U.S. patent application number 16/452544 was filed with the patent office on 2019-10-17 for full-automatic polishing machine.
The applicant listed for this patent is Jiangnan University. Invention is credited to Kan LIU, Junfeng MA, Hong ZHANG.
Application Number | 20190314952 16/452544 |
Document ID | / |
Family ID | 63017899 |
Filed Date | 2019-10-17 |
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United States Patent
Application |
20190314952 |
Kind Code |
A1 |
ZHANG; Hong ; et
al. |
October 17, 2019 |
Full-automatic Polishing Machine
Abstract
The present invention belongs to the technical field of
polishing machinery, and particularly relates to a full-automatic
polishing machine aiming at the valve core head of a snort valve.
The full-automatic polishing machine comprises a base, and a
material taking device, a fixture and a polishing device which are
provided on the base, wherein the material taking device comprises
mechanical arms, and a first driving mechanism for driving the
mechanical arms to move in transverse and vertical directions; and
the polishing device comprises a grinding wheel, a second driving
mechanism for driving the grinding wheel to rotate, and a third
driving mechanism for driving the grinding wheel to move in
longitudinal and vertical directions. By adopting the
full-automatic polishing machine, automatic polishing of the valve
core head of the snort valve is realized, plenty of manpower is
saved, the working efficiency is improved, and a polished product
is unified in quality, and thus being favorable for the large-scale
production and export of the valve core heads.
Inventors: |
ZHANG; Hong; (Wuxi, CN)
; LIU; Kan; (Wuxi, CN) ; MA; Junfeng;
(Wuxi, CN) |
|
Applicant: |
Name |
City |
State |
Country |
Type |
Jiangnan University |
Wuxi |
|
CN |
|
|
Family ID: |
63017899 |
Appl. No.: |
16/452544 |
Filed: |
June 26, 2019 |
Related U.S. Patent Documents
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Application
Number |
Filing Date |
Patent Number |
|
|
PCT/CN2018/111865 |
Oct 25, 2018 |
|
|
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16452544 |
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Current U.S.
Class: |
1/1 |
Current CPC
Class: |
B24B 47/22 20130101;
B24B 15/04 20130101; B24B 51/00 20130101; B24B 29/04 20130101 |
International
Class: |
B24B 51/00 20060101
B24B051/00; B24B 29/04 20060101 B24B029/04 |
Foreign Application Data
Date |
Code |
Application Number |
Feb 13, 2018 |
CN |
201810148108.3 |
Claims
1. A full-automatic polishing machine, comprising a base, and a
material taking device, a fixture and a polishing device which are
provided on the base, wherein the material taking device comprises
a mechanical arm, and a first driving mechanism for driving the
mechanical arm to move in transverse and vertical directions; and
the polishing device comprises a grinding wheel, a second driving
mechanism for driving the grinding wheel to rotate, and a third
driving mechanism for driving the grinding wheel to move in
longitudinal and vertical directions.
2. The full-automatic polishing machine according to claim 1,
wherein the first driving mechanism comprises: a first mini
cylinder which is provided on the base, a first flange plate which
is connected with the piston rod of the first mini cylinder, a
first compact type cylinder which is provided on the first flange
plate, and a first connecting member which is connected with the
piston rod of the first compact type cylinder; and wherein a slide
rail is provided on the base, the first flange plate is provided on
the slide rail and is in sliding fit with the base, the first mini
cylinder drives the first flange plate to move transversely, the
first compact type cylinder drives the first connecting member to
move vertically, and the mechanical arm is connected with the first
connecting member.
3. The full-automatic polishing machine according to claim 1,
wherein the second driving mechanism comprises: a pneumatic motor,
and a synchronizing wheel which is connected with a rotating shaft
of the pneumatic motor; and the grinding wheel is coaxially
connected with the synchronizing wheel.
4. The full-automatic polishing machine according to claim 3,
wherein the third driving mechanism comprises: a second mini
cylinder which is provided on the base, a second flange plate which
is connected with the piston rod of the second mini cylinder, a
second compact type cylinder which is provided on the second flange
plate, and a second connecting member which is connected with the
piston rod of the second compact type cylinder; and wherein a slide
rail is provided on the base, the second flange plate is provided
on the slide rail and is in sliding fit with the base, the second
mini cylinder drives the second flange plate to move
longitudinally, the second compact type cylinder drives the second
connecting member to move vertically, and the pneumatic motor is
fixed on the second connecting member.
5. The full-automatic polishing machine according to claim 1,
wherein the fixture comprises: a spring chuck, a fourth driving
mechanism for driving the spring chuck to rotate, and a fifth
driving mechanism for driving the spring chuck to deform
elastically.
6. The full-automatic polishing machine according to claim 5,
wherein the spring chuck is slotted in a radial direction, and is
provided with a step surface used for allowing a workpiece to be
placed.
7. The full-automatic polishing machine according to claim 6,
wherein the base is provided with a loading tabletop, and the
loading tabletop and the step surface are located on a same
horizontal plane and on a same straight line.
8. The full-automatic polishing machine according to claim 7,
wherein the quantity of the mechanical arms is two, and the two
mechanical arms are provided in parallel transversely, and are
located on a same horizontal plane and on a same straight line.
9. The full-automatic polishing machine according to claim 1,
wherein a loading device is provided on the base, and the loading
device is a vibrating plate.
10. The full-automatic polishing machine according to claim 1,
wherein a sorting device is provided on the base, and comprises a
tray, a scraping device provided on the tray and a rotating
cylinder for driving the scraping device to rotate.
Description
TECHNICAL FIELD
[0001] The present invention belongs to the technical field of
polishing machinery, and particularly relates to a full-automatic
polishing machine aiming at the valve core head of a snort
valve.
BACKGROUND
[0002] For many metal parts on the present market, surface
polishing treatment is needed, and the valve core head of a snort
valve is no exception. Because the shape of the valve core head of
a snort valve is an arc curve, and is relatively small, manual
polishing is mainly adopted hereupon on the present market. Manual
polishing is not only low in speed, but also consumes plenty of
manpower, meanwhile, there is a great requirement for the
technology of polishing personnel, and the polished products are
different in quality.
SUMMARY
[0003] Aiming at the problems mentioned above, the present
invention provides a full-automatic polishing machine, which is
capable of realizing full-automatic polishing on a workpiece, and
improving the product quality and working efficiency.
[0004] The present invention provides a full-automatic polishing
machine, and the full-automatic polishing machine comprises a base,
and a material taking device, a fixture and a polishing device
which are provided on the base, wherein the material taking device
comprises a mechanical arm, and a first driving mechanism for
driving the mechanical arm to move in transverse and vertical
directions; and the polishing device comprises a grinding wheel, a
second driving mechanism for driving the grinding wheel to rotate,
and a third driving mechanism for driving the grinding wheel to
move in longitudinal and vertical directions.
[0005] Further, the first driving mechanism comprises: a first mini
cylinder which is provided on the base, a first flange plate which
is connected with the piston rod of the first mini cylinder, a
first compact type cylinder which is provided on the first flange
plate, and a first connecting member which is connected with the
piston rod of the first compact type cylinder; and
[0006] a slide rail is provided on the base, the first flange plate
is provided on the slide rail and is in sliding fit with the base,
the first mini cylinder drives the first flange plate to move
transversely, the first compact type cylinder drives the first
connecting member to move vertically, and the mechanical arm is
connected with the first connecting member.
[0007] Further, the second driving mechanism comprises: a pneumatic
motor, and a synchronizing wheel which is connected with a rotating
shaft of the pneumatic motor; and the grinding wheel is coaxially
connected with the synchronizing wheel.
[0008] Further, the third driving mechanism comprises: a second
mini cylinder which is provided on the base, a second flange plate
which is connected with the piston rod of the second mini cylinder,
a second compact type cylinder which is provided on the second
flange plate, and a second connecting member which is connected
with the piston rod of the second compact type cylinder; and
[0009] a slide rail is provided on the base, the second flange
plate is provided on the slide rail and is in sliding fit with the
base, the second mini cylinder drives the second flange plate to
move longitudinally, the second compact type cylinder drives the
second connecting member to move vertically, and the pneumatic
motor is fixed on the second connecting member.
[0010] Further, the fixture comprises: a spring chuck, a fourth
driving mechanism for driving the spring chuck to rotate, and a
fifth driving mechanism for driving the spring chuck to deform
elastically.
[0011] Further, the spring chuck is slotted along a radial
direction, and is provided with a step surface used for allowing a
workpiece to be placed.
[0012] Further, a loading device is provided on the base, and the
loading device is a vibrating plate.
[0013] Further, the base is provided with a loading tabletop, a
discharge hole of the vibrating plate is provided on the loading
tabletop, and the loading tabletop and the step surface of the
spring chuck are located on a same horizontal plane and on a same
straight line.
[0014] Further, the quantity of the mechanical arms is two, and the
two mechanical arms are provided in parallel transversely, and are
located on a same horizontal plane and on a same straight line.
[0015] Further, the mechanical arm is a finger cylinder.
[0016] Further, a sorting device is provided on the base, and
comprises a tray, a scraping device provided on the tray and a
rotating cylinder for driving the scraping device to rotate.
[0017] By virtue of the scheme, the full-automatic polishing
machine has the following advantages: the full-automatic polishing
machine realizes automatic polishing of the valve core head of the
snort valve, saves plenty of manpower and improves the working
efficiency, and the polished products are unified in quality, and
thus being favorable for the large-scale production and export of
the valve core head; according to the present invention, a
vibrating plate is adopted for automatic loading, and therefore,
the production cycle is shortened, and the large-scale production
efficiency is improved; a high-strength grinding wheel is adopted
for automatic grinding, and therefore, manpower and material
resources are reduced, the grinding quality is improved, and
product use and export are facilitated; a finger cylinder is
adopted for replacing manpower to clamp and convey materials; and
therefore, simultaneous loading and unloading are realized; all
parts of the polishing machine cooperate orderly, and thus being
safe and rapid in the process, saving the production time, and
improving the grinding quality; in grinding, the spring chuck is
adopted for clamping the valve core, and rotates at high speed
relative to the grinding wheel, and therefore, the grinding speed
is promoted, polishing force is uniform, roughness requirement is
met, and quality is improved; and after grinding is completed, the
materials are sorted by using a scraping device, so that the valve
core heads are placed orderly, without manpower for sorting, and
therefore, labor force is reduced, and cost is saved.
BRIEF DESCRIPTION OF FIGURES
[0018] FIG. 1 is a structure schematic diagram of an automatic
polishing machine;
[0019] FIG. 2 is a local structure schematic diagram of the
automatic polishing machine; and
[0020] FIG. 3 is a local structure schematic diagram of the
automatic polishing machine.
DETAILED DESCRIPTION
[0021] In the following, detailed description will be made to the
implementation scheme of the present invention in combination with
examples, but those skilled in the art should understand that the
following examples are only used for describing the present
invention, instead of limiting the scope of the present invention.
Examples without being marked with specific conditions are
performed according to conventional conditions or conditions
suggested by manufacturers.
[0022] The present invention provides a full-automatic polishing
machine, which comprises a base 1, and a loading device, a material
taking device, a fixture, a polishing device and a sorting device
which are provided on the base 1. After the material taking device
grabs a workpiece 33, the workpiece 33 is put into the fixture,
then the polishing device polishes the workpieces 33, and after the
polishing operation is completed, the material taking device grabs
the workpieces 33 and puts the workpieces 33 into the sorting
device, so that the workpieces are arranged orderly.
[0023] The loading device is a vibrating plate 2, a loading
tabletop 3 is provided on the base 1, a discharge hole of the
vibrating plate 2 is provided on the loading tabletop 3, the
workpieces 33 are automatically loaded to the loading tabletop 3 by
the vibrating plate 2, and a sensor is provided on the loading
tabletop 3, and is used for sensing whether a workpiece exists on
the loading tabletop 3.
[0024] The material taking device comprises mechanical arms, and a
first driving mechanism for driving the mechanical arms to move in
the transverse and vertical directions. The first driving mechanism
comprises a first mini cylinder 5 which is provided on the base 1,
a first flange plate 6 which is connected with the piston rod of
the first mini cylinder 5, a first compact type cylinder 7 which is
provided on the first flange plate 6, and a first connecting member
8 which is connected with the piston rod of the first compact type
cylinder 7. The first flange plate 6 is in sliding fit with the
base 1, a slide rail 9 is provided on the base 1, the first flange
plate 6 is provided on the slide rail 9, and the first mini
cylinder 5 drives the first flange plate 6 to move transversely.
The first compact type cylinder 7 drives the first connecting
member 8 to move vertically. The mechanical arms are provided below
the first connecting member 8, the mechanical arms are finger
cylinders 4, the quantity is two, and the two mechanical arms are
provided in parallel transversely, and are located on a same
horizontal plane or on a same straight line.
[0025] The polishing device comprises a grinding wheel 10, a second
driving mechanism for driving the grinding wheel 10 to rotate, and
a third driving mechanism for driving the grinding wheel 10 to move
in the longitudinal and vertical directions. The second driving
mechanism comprises a pneumatic motor 11, and a synchronizing wheel
12 which is connected with a rotating shaft of the pneumatic motor
11; and the grinding wheel 10 is coaxially connected with the
synchronizing wheel 12. The third driving mechanism comprises a
second mini cylinder 13 which is provided on the base 1, a second
flange plate 14 which is connected with the piston rod of the
second mini cylinder 13, a second compact type cylinder 15 which is
provided on the second flange plate 14, and a second connecting
member 16 which is connected with the piston rod of the second
compact type cylinder 15. The second flange plate 14 is in sliding
fit with the base 1, a slide rail 9 is provided on the base 1, the
second flange plate 14 is provided on the slide rail 9, the second
mini cylinder 13 drives the second flange plate 14 to move
longitudinally. The second compact type cylinder 15 drives the
second connecting member 16 to move vertically. A groove is formed
in the second connecting member 16, the pneumatic motor 11 is fixed
on the second connecting member 16, the synchronizing wheel 12 is
provided in the groove of the second connecting member 16 and is
suspended, and the grinding wheel 10 is located below the second
connecting member 16.
[0026] The fixture comprises a spring chuck 17, a fourth driving
mechanism for driving the spring chuck 17 to rotate, and a fifth
driving mechanism for driving the spring chuck 17 to deform
elastically. The spring chuck 17 is slotted along a radial
direction, and is provided with a step surface used for allowing a
workpiece 33 to be placed, and the step surface on the spring chuck
17 and the loading tabletop 3 are located on a same horizontal
plane and on a same straight line.
[0027] The spring chuck 17 is connected to a pull tube 18, the pull
tube 18 is of a long cylinder shape, threads are formed at two ends
of the pull tube 18, the spring chuck 17 is provided at the upper
end of the pull tube 18, and an end cover 19 is provided at the
lower end of the pull tube 18. A cylinder tube 20 is connected to
the outer side of the pull tube 18, the upper end of the cylinder
tube 20 expands outwards and forms a tapered hole, to be in match
with the shape of the spring chuck 17, the lower end of the
cylinder tube 20 is provided above the end cover 19. The cylinder
tube 20 is fixed in a box 21 by a bearing, and the box 21 is fixed
on the base 1. The fourth driving mechanism comprises a three-phase
asynchronous motor 22 provided on the base 1, and a V belt wheel 24
which is connected with a motor shaft of the three-phase
asynchronous motor 22 by a V-shaped belt 23, wherein the V belt
wheel 24 is sleeved over the cylinder tube 20, and the spring chuck
17 is driven to rotate by the rotation of the three-phase
asynchronous motor 22.
[0028] The fifth driving mechanism comprises a thin cylinder 25
provided on the base 1, a fisheye joint 26 which is connected with
the piston rod of the thin cylinder 25, a beating ring 27 which is
connected with the fisheye joint 26, a clutch lever 28 which is
provided below the beating ring 27, and a clutch lever seat 29
which is connected with the clutch lever 28, wherein the beating
ring 27 is sleeved over the cylinder tube 20 by a bearing, and the
clutch lever seat 29 is sleeved over the cylinder tube 20 and is
located above the end cover 19. The thin cylinder 25 pushes the
beating ring 27, the beating ring 27 is pulled down to extrude the
clutch lever 28, the clutch lever seat 29 slides down, the end
cover 19 is pulled down to drive the pull tube 18 to slide down,
the spring chuck 17 connected with the pull tube 18 slides down,
and when the spring chuck 17 slides down, the tapered hole at the
upper end of the cylinder tube 20 extrudes the spring chuck 17 to
cause the spring chuck 17 to deform elastically to clamp the
workpiece 33.
[0029] The sorting device comprises a tray 30 provided on the base
1, a scraping device 31 provided on the tray 30, and a rotating
cylinder 32 for driving the scraping device 31 to rotate. The tray
30 is provided on one side of the spring chuck 17.
[0030] In addition, the base is also provided with a control
cabinet 34 and a touch screen 35, wherein the touch screen 35
realizes inching control of instrument and equipment, and meanwhile
displays counts and a running state.
[0031] In working, the finger cylinder 4 puts the workpieces 33
into the spring chuck 17, the spring chuck 17 clamps the workpieces
33, the grinding wheel 10 moves longitudinally to get close to the
workpieces 33, and then moves down to align to the workpieces 33 to
polish the workpieces 33, and while the grinding wheel 10 rotates,
the workpieces 33 rotates at high speed relative to the grinding
wheel by the driving of the fixture. After polishing is completed,
the spring chuck 17 loosens clamping of the workpieces 33, and the
finger cylinder 4 takes out the workpieces 33. Because the step
surface on the spring chuck 17 and the loading tabletop 3 are
located on a same horizontal plane and on a same straight line, the
two finger cylinders 4 are capable of simultaneously grabbing the
workpieces 33 on the loading tabletop 3 and the polished workpieces
33 on the spring chuck 17, then move upwards, and then move
transversely to put the workpieces 33 on the loading tabletop 3
onto the spring chuck 17, and meanwhile, the workpieces 33 on the
spring chuck 17 is put onto the tray 30, and the workpieces 33 on
the tray 30 are sorted and arranged by the scraping device 31. By
repeating like this, full-automatic polishing of the workpieces 33
is realized.
[0032] Specifically, the whole operation process of the polishing
machine is as follows: a start button is pressed, the vibrating
plate 2 starts to vibrate, the workpieces 33 are conveyed to the
loading tabletop 3 from the discharge hole by the vibration of the
vibrating plate 2, the sensor on the loading tabletop 3 senses the
workpieces 33 and feeds a signal back to the control cabinet 34,
and after receiving the signal, a programmable logic controller in
the control cabinet 34 triggers an output point, and sends a level
signal to an intermediate relay, and the on and off of the
intermediate relay controls the start and stop of the vibrating
plate. At the moment, the vibrating plate 2 stops vibration,
meanwhile, the material taking device at an initial position starts
to act, the first compact type cylinder 7 descends, the two finger
cylinders 4 which are transversely provided in parallel
respectively grab the workpieces 33 on the loading tabletop 3 and
the polished workpieces 33 on the spring chuck 17; after grabbing
tightly, the first compact type cylinder 7 ascends, the vibrating
plate 2 starts to act when the workpieces 33 are not on the loading
tabletop 3; when the first compact type cylinder 7 ascends to an
extreme position, the first mini cylinder 5 moves leftwards and
stops after reaching the extreme position; the first compact type
cylinder 7 descends, the two finger cylinders 4 loosen the
workpieces 33, the workpieces are placed on the spring chuck 17 and
on the tray 30; after loosening, the first compact type cylinder 7
ascends to reach an extreme position, the first mini cylinder 5
moves rightwards and stops after reaching an extreme position; in
the moving process of the first mini cylinder 5, the scraping
device 31 sorts the workpieces placed in the unloading area, the
spring chuck 17 clamps the workpieces, the three-phase asynchronous
motor 22 drives the spring chuck 17 to rotate, and meanwhile, the
polishing device starts to work, the pneumatic motor 11 starts to
drive the grinding wheel 10 to rotate, and the second mini cylinder
13 advances; when the grinding wheel 10 is in contact with the
workpieces 33, the second compact type cylinder 15 starts to
ascend, when the second compact type cylinder 15 ascends to an
extreme position, the second mini cylinder 13 retreats, and
meanwhile, the pneumatic motor 11 and the spring chuck 17 stop
rotation, the second mini cylinder 13 retreats to an extreme
position, the second compact type cylinder 15 descends, at the
moment, the material taking device starts to act at the initial
position; by repeating like this, full-automatic polishing of the
workpieces 33 is realized.
* * * * *