CN114055364A - Positioning and clamping device - Google Patents
Positioning and clamping device Download PDFInfo
- Publication number
- CN114055364A CN114055364A CN202111436104.3A CN202111436104A CN114055364A CN 114055364 A CN114055364 A CN 114055364A CN 202111436104 A CN202111436104 A CN 202111436104A CN 114055364 A CN114055364 A CN 114055364A
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- positioning
- pressure plate
- circumferential
- shaft
- clamping device
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- 238000003825 pressing Methods 0.000 claims abstract description 21
- 230000009471 action Effects 0.000 claims description 18
- 230000000712 assembly Effects 0.000 claims description 18
- 238000000429 assembly Methods 0.000 claims description 18
- 230000000452 restraining effect Effects 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000004807 localization Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
Abstract
The application provides a positioning and clamping device, positioning and clamping device includes: a base assembly; the positioning and clamping assembly comprises a positioning guide piece, a positioning stop block, a pressure plate assembly, a follow-up shaft connecting piece and a follow-up shaft; the positioning guide part is connected to the base component, the positioning stop block is connected to the positioning guide part in a sliding manner in a horizontal plane, and the pressure plate component is connected to the positioning stop block in a sliding manner in a vertical direction; the follow-up shaft is connected to the pressure plate assembly through the follow-up shaft connecting piece; a cam including a circumferential active surface and an axial active surface; a positioning spring configured to apply a force to the follower shaft toward the circumferential acting surface so that the follower shaft is brought into close contact with the circumferential acting surface; and the pressing spring is formed to apply force pointing to the axial acting surface to the follow-up shaft so as to enable the follow-up shaft to be tightly attached to the axial acting surface.
Description
Technical Field
The application belongs to the field of mechanical equipment, and particularly relates to a positioning and clamping device.
Background
Along with more and more adoption non-standard automation equipment in the manufacturing industry replaces traditional manual work, the manufacturing and processing enterprises require the non-standard equipment to operate stably, the fault rate is low, and the maintenance is simple.
When putting the product into the product storage tray, the conventional automatic feeding and discharging equipment needs to position the product in two directions, uses a positioning device twice, needs to use a plurality of cylinders to realize the functions of positioning and pressing, and causes the following defects.
(1) The number of the cylinders is large, so that the installation, debugging and maintenance are troublesome.
(2) The cylinder needs compressed air as power, and the pressure of compressed air is unstable and/or dust in the air is not filtered cleanly, can lead to the cylinder to break down, influences the production progress.
(3) The positioning accuracy is not high.
Disclosure of Invention
The present application aims to propose a positioning and clamping device that solves at least one of the above drawbacks.
The application provides a positioning and clamping device, positioning and clamping device includes:
a base assembly;
the positioning and clamping assembly comprises a positioning guide piece, a positioning stop block, a pressure plate assembly, a follow-up shaft connecting piece and a follow-up shaft;
the positioning guide part is connected to the base component, the positioning stop block is connected to the positioning guide part in a sliding manner in a horizontal plane, and the pressure plate component is connected to the positioning stop block in a sliding manner in a vertical direction;
the follow-up shaft is connected to the pressure plate assembly through the follow-up shaft connecting piece;
a cam including a circumferential active surface and an axial active surface;
a positioning spring configured to apply a force to the follower shaft toward the circumferential acting surface so that the follower shaft is brought into close contact with the circumferential acting surface; and
and the pressing spring is formed to apply force pointing to the axial acting surface to the follow-up shaft so as to enable the follow-up shaft to be tightly attached to the axial acting surface.
Preferably, the orientation of the circumferential action surface and the orientation of the axial action surface are mutually perpendicular as a whole,
the circumferential acting surface can apply a force for restraining the positioning spring from returning to the original state to the follower shaft in a horizontal plane, and the axial acting surface can apply a force for restraining the pressing spring from returning to the original state to the follower shaft in a vertical direction.
Preferably, the positioning and clamping assembly is provided in plurality.
Preferably, the number of the positioning and clamping assemblies is 4, and the positioning and clamping assemblies are arranged in a pairwise opposite mode.
Preferably, the circumferential action surfaces and the axial action surfaces form n groups of regular patterns in the circumferential direction of the cam, n being equal to the number of the positioning and clamping assemblies.
Preferably, the pressure plate assembly comprises a pressure plate, a pressure plate guide and a pressure plate guide connecting piece, the pressure plate guide can be connected to the positioning stop block in a sliding mode relative to the positioning stop block, the pressure plate and the pressure plate guide connecting piece are both connected to the pressure plate guide, and the pressure plate has a tendency of moving towards the positioning stop block under the elastic force action of the compression spring.
Preferably, an elastic buffer block is arranged on one side of the pressure plate facing the positioning stop block.
Preferably, the follower shaft is rotatably connected with a circumferential surface engagement bearing, the circumferential surface engagement bearing is in contact engagement with the circumferential action surface, and a rotation axis of the circumferential surface engagement bearing is parallel to a rotation axis of the cam.
Preferably, an end-face-fitting bearing is rotatably attached to the follower shaft, the end-face-fitting bearing being in contact fit with the axial action surface, and a rotation axis of the end-face bearing being perpendicular to and intersecting with a rotation axis of the cam.
Preferably, the base assembly comprises a base, a support and a locating clip assembly mounting plate connected to the base by the support, spacing the base and locating clip assembly mounting plate apart.
Preferably, the positioning and clamping device further comprises a motor, and the cam is connected to an output shaft of the motor.
Through adopting above-mentioned technical scheme, use the cam to drive and can fix a position the clamp with vertical direction in the horizontal plane simultaneously, positioning accuracy is high, and the installation and debugging is easy.
Drawings
Fig. 1 shows a schematic structural view of a positioning and clamping device according to an embodiment of the present application.
Fig. 2 shows a schematic view of another angle of the positioning and clamping device according to an embodiment of the present application.
Fig. 3 shows a schematic structural view of a base assembly, a cam and a motor of a positioning and clamping device according to an embodiment of the present application.
Fig. 4 shows a schematic structural view of a cam of the positioning and clamping device according to an embodiment of the present application.
Fig. 5 shows a schematic structural view of a localization fixture assembly of a localization fixture according to an embodiment of the present application.
Fig. 6 shows a schematic view of another angle of the positioning and clamping assembly of the positioning and clamping device according to an embodiment of the present application.
Fig. 7 shows a schematic configuration diagram of a follower shaft of the positioning jig according to the embodiment of the present application.
Description of the reference numerals
1 base assembly 11 base 12 support 13 positioning clamp assembly mounting plate
2 circumferential action surface 22 axial action surface of cam 21
3 electric machine
4 positioning clamping assembly 41 positioning guide 411 ball slide 42 positioning stopper 43 pressure plate 431 buffer 44 pressure plate guide 441 linear bearing 45 pressure plate guide 46 follow-up shaft connector 47 follow-up shaft 471 circumferential surface matching bearing 472 end surface matching bearing 48 shaft fixing seat
5 positioning spring
6 hold-down spring
P horizontal direction H vertical direction.
Detailed Description
In order to more clearly illustrate the above objects, features and advantages of the present application, a detailed description of the present application is provided in this section in conjunction with the accompanying drawings. This application is capable of embodiments in addition to those described herein, and is intended to cover such departures from the present disclosure as come within known or customary practice in the art to which this application pertains and which fall within the limits of the appended claims. The protection scope of the present application shall be subject to the claims.
As shown in fig. 1 to 7, the present application provides a positioning and clamping device, which includes a base assembly 1, a cam 2, a motor 3, a positioning and clamping assembly 4, a positioning spring 5 and a pressing spring 6. Motor 3 fixed connection is in base subassembly 1, and cam 2 is connected in motor 3's output shaft, and motor 3 can drive cam 2 rotatory. The positioning and clamping assembly 4 is connected to the base assembly 1, and the positioning and clamping assembly 4 can be driven to move through the rotation of the cam 2, so that the workpiece to be machined is positioned, clamped or loosened.
(base component)
As shown in fig. 1 to 3, the base assembly 1 includes a base 11, a support 12, and a positioning clamp assembly mounting plate 13. The base 11 may be a flat plate, and the motor 3 is fixedly connected to the base 11. The positioning and clamping assembly mounting plate 13 is fixedly connected to the base 11 through the supporting member 12, the supporting member 12 may be a column, and the positioning and clamping assembly mounting plate 13 and the base 11 may be spaced apart by the supporting member 12 to arrange the positioning and clamping assembly 4, particularly, to allow a following shaft connecting member 46 to have a moving space. The positioning and clamping assembly mounting plate 13 is located above the base 11 and is substantially parallel thereto.
(cam)
As shown in fig. 1 to 4, the cam 2 includes a circumferential acting surface 21 and an axial acting surface 22. The orientation of the circumferential action surface 21 and the orientation of the axial action surface 22 may be mutually perpendicular as a whole. The circumferential acting surface 21 may face radially outward of the cam 2, and the axial acting surface 22 may face one side in the axial direction of the cam 2. The cam 2 may be located on the upper surface of the base 11 with the axially acting surface 22 facing upwards of the positioning and clamping device.
Alternatively, the cam 2 may comprise two disks of different radial dimensions, arranged one above the other. The outer peripheral surface of the disk portion having a smaller radial dimension is formed into an uneven shape as a circumferential acting surface 21, and the axial side surface of the disk portion having a larger radial dimension is formed into an uneven shape as an axial acting surface 22.
The circumferential active surface 21 and the axial active surface 22 form n groups of regular patterns in the circumferential direction of the cam 2, n being equal to the number of positioning-clamping assemblies 4, n being equal to 4 in the present embodiment, these 4 groups of patterns corresponding to 4 positioning-clamping assemblies 4.
(positioning and clamping assembly)
As shown in fig. 1, 2, 5 to 7, the positioning and clamping assembly 4 includes a positioning guide 41, a positioning stopper 42, a pressure plate assembly, a follower shaft connector 46, a follower shaft 47, and a shaft holder 48. The platen assembly includes a platen 43, a platen guide 44, and a platen guide connection 45.
The positioning and clamping assembly 4 may be provided in plurality, for example 4, the 4 positioning and clamping assemblies 4 being arranged opposite to each other two by two. The member to be processed may comprise a rectangular bottom portion, and the positioning and clamping assembly 4 may position the member to be processed from four directions so that the member to be processed is positioned in a horizontal plane. In other possible embodiments, the number of positioning and clamping assemblies 4 may be greater or fewer.
The positioning guide 41 may be a linear guide, and the positioning guide 41 is fixedly connected to the positioning and clamping assembly mounting plate 13. The positioning stopper 42 is slidably connected to the positioning guide 41 with respect to the positioning guide 41. The positioning guide 41 may extend in a horizontal plane. Alternatively, the positioning stopper 42 and the positioning guide 41 may be connected by a ball slider 411, thereby reducing friction.
The positioning block 42 is provided with a boss for contacting the member to be machined, and a side surface of the boss is for contacting the member to be machined. The positioning block 42 can clamp the workpiece to be processed from the periphery of the workpiece to be processed, and position the workpiece to be processed.
The pressing plate 43 and the pressing plate guide coupling 45 are coupled to the pressing plate guide 44, for example, the pressing plate 43 and the pressing plate guide coupling 45 may be coupled to both ends of the pressing plate guide 44, respectively. The platen 43 and the platen guide coupling 45 are movable along the extending direction of the platen guide 44 along with the platen guide 44. A buffer block 431 may be provided on a side of the pressure plate 43 facing the positioning stopper 42, and the buffer block 431 may be made of an elastic material, for example, the buffer block 431 may be made of rubber. The buffer block 431 is pressed on the workpiece to be processed to prevent crushing of the workpiece to be processed.
The follower shaft 47 is connected to a follower shaft connecting member 46 through a shaft fixing base 48, and the follower shaft connecting member 46 is connected to the platen guide connecting member 45 so that the platen guide connecting member 45 can move together with the follower shaft 47.
The follower shaft 47 is provided with a circumferential surface engagement bearing 471 and an end surface engagement bearing 472, the circumferential surface engagement bearing 471 is in contact engagement with the circumferential action surface 21, and a rotation axis of the circumferential surface engagement bearing 471 may be parallel to a rotation axis of the cam 2. The end-face-engaging bearing 472 is in contact engagement with the axial-acting surface 22, and the rotational axis of the end-face-engaging bearing 472 may be perpendicular to and intersect the rotational axis of the cam 2.
As shown in fig. 1, two ends of the positioning spring 5 are respectively connected to two oppositely disposed positioning and clamping assemblies 4, and the positioning spring 5 may be an extension spring. The positioning spring 5 can apply elastic force to the two oppositely arranged positioning and clamping assemblies 4, so that the two positioning and clamping assemblies 4 are close to each other, and the follow-up shaft 47 is tightly attached to the circumferential acting surface 21. This makes it possible to slide the positioning stopper 42 of the positioning and clamping assembly 4 in the extending direction (horizontal direction P) of the positioning guide 41. When the portion of the circumferential action surface 21 having the smaller radial dimension contacts the follower shaft 47, the positioning spring 5 contracts, the positioning stoppers 42 approach each other to clamp the member to be machined, and when the portion of the circumferential action surface 21 having the larger radial dimension contacts the follower shaft 47, the positioning spring 5 is stretched, and the positioning stoppers 42 move away from each other to release the member to be machined.
As shown in fig. 1, 2, 5 and 6, both ends of the pressing spring 6 are connected to the follower shaft connector 46 and the base 11, respectively, and the pressing spring 6 may be an extension spring. The pressing spring 6 can apply elastic force to the follower shaft connecting piece 46 to enable the follower shaft 47 to be tightly attached to the axial acting surface 22. This makes it possible to slide the platen 43 of the positioning and clamping assembly 4 in the extending direction (vertical direction H) of the platen guide 44. When the more recessed portion of the axial acting surface 22 contacts the follower shaft 47, the pressing spring 6 contracts, and the pressing plate 43 moves toward the positioning stopper 42 to clamp the member to be machined. When the less recessed portion of the axial action surface 22 contacts the follower shaft 47, the pressing spring 6 is stretched, and the pressing plate 43 is moved away from the positioning stopper 42 to release the member to be processed.
The operation of the positioning and clamping device of the present application will be briefly described below.
In the initial state, the radial dimension of the circumferential acting surface 21 of the cam 2 is larger, the radial dimension is larger, the axial acting surface 22 of the cam 2 is higher, the radial dimension is larger, the radial acting surface is higher, the axial acting surface is higher, the radial acting surface is contacted with the follower shaft 47, and the positioning spring 5 and the pressing spring 6 are both in a stretched state. The circumferential direction acting surface 21 can apply a force to the follower shaft 47 in the horizontal plane to suppress the return of the positioning spring 5, and the axial direction acting surface 22 can apply a force to the follower shaft 47 in the vertical direction H to suppress the return of the pressing spring 6. The workpiece to be processed is placed on the positioning stop block 42, then the motor 3 rotates to drive the cam 2 to rotate, the circumferential surface is matched with the bearing 471 to rotate along the circumferential action surface 21, and the end surface is matched with the bearing 472 to rotate along the axial action surface 22. Under the elastic force effect of positioning spring 5 and pressure spring 6, follow-up shaft 47 drives positioning stop 42 and is close to each other, and the position is pressed tightly in the horizontal plane and is waited the machined part, and follow-up shaft 47 drives clamp plate 43 and is close to positioning stop 42 simultaneously, makes in vertical direction and waits that the machined part is close to positioning stop 42 to treat that the machined part is both fixed a position in the horizontal plane and on vertical direction H and press from both sides tightly. After the machining is finished, the cam 2 continues to rotate to release the workpiece to be machined.
The positioning and clamping device has the following advantages.
(1) The cam is used for driving, and meanwhile, the positioning and clamping are carried out in the horizontal plane and the vertical direction, the positioning precision is high, and the installation and the debugging are easy.
(2) The motor is used as power, compared with an air cylinder, the positioning device is stable and reliable, is not influenced by air source pressure fluctuation, is easy to adjust the positioning speed, can realize quick positioning, and has low noise in the operation process. And the device is suitable for occasions with large oil stains and much dust, and is simple to maintain.
In other possible embodiments, 3 positioning and clamping assemblies 4 can be provided, and 3 positioning and clamping assemblies 4 can be used for positioning and clamping the disc-shaped workpiece to be machined. The positioning and clamping assembly 4 can be provided in 2, and the length or the width can be positioned only in the horizontal plane. And adjust from 4 positioning and clamping assemblies to 2 positioning and clamping assemblies only need demolish two relative positioning and clamping assemblies can, can adjust according to actual need, the adjustment is convenient simple.
While the present application has been described in detail with reference to the above embodiments, it will be apparent to those skilled in the art that the present application is not limited to the embodiments described in the present specification. The present application can be modified and implemented as a modified embodiment without departing from the spirit and scope of the present application defined by the claims. Therefore, the description in this specification is for illustrative purposes and does not have any limiting meaning for the present application.
Claims (11)
1. A positioning and clamping device, characterized in that it comprises:
a base assembly (1);
the positioning and clamping assembly (4), the positioning and clamping assembly (4) comprises a positioning guide piece (41), a positioning stop block (42), a pressure plate assembly, a follow-up shaft connecting piece (46) and a follow-up shaft (47);
the positioning guide (41) is connected to the base assembly (1), the positioning block (42) is slidably connected to the positioning guide (41) in a horizontal plane, and the pressure plate assembly is slidably connected to the positioning block (42) in a vertical direction;
the follow-up shaft (47) is connected to the pressure plate assembly through the follow-up shaft connecting piece (46);
a cam (2), said cam (2) comprising a circumferential active surface (21) and an axial active surface (22);
a positioning spring (5), wherein the positioning spring (5) is formed to apply a force to the follower shaft (47) toward the circumferential acting surface (21) so that the follower shaft (47) is in close contact with the circumferential acting surface (21); and
a pressure spring (6), wherein the pressure spring (6) is formed to apply a force to the follower shaft (47) toward the axial direction acting surface (22) so that the follower shaft (47) is in close contact with the axial direction acting surface (22).
2. Positioning and clamping device, according to claim 1, characterized in that the orientation of said circumferential active surface (21) and the orientation of said axial active surface (22) are globally perpendicular to each other,
the circumferential acting surface (21) can apply a force for restraining the positioning spring (5) from returning to the original state to the follower shaft (47) in a horizontal plane, and the axial acting surface (22) can apply a force for restraining the pressing spring (6) from returning to the original state to the follower shaft (47) in a vertical direction.
3. The positioning and clamping device according to claim 1, characterized in that the positioning and clamping assembly (4) is provided in plurality.
4. The positioning and clamping device according to claim 1, characterized in that the positioning and clamping assemblies (4) are provided in 4 numbers, and the positioning and clamping assemblies (4) are arranged opposite to each other in pairs.
5. The positioning and clamping device according to claim 1, characterized in that said circumferential active surface (21) and said axial active surface (22) form n groups of regular patterns in the circumferential direction of said cam (2), n being equal to the number of said positioning and clamping assemblies (4).
6. Positioning and clamping device according to claim 1, characterized in that said pressure plate assembly comprises a pressure plate (43), a pressure plate guide (44) and a pressure plate guide connection (45), said pressure plate guide (44) being slidably connected to said positioning stop (42) with respect to said positioning stop (42), said pressure plate (43) and said pressure plate guide connection (45) being connected to said pressure plate guide (44), said pressure plate (43) having a tendency to move towards said positioning stop (42) under the action of the spring force of said compression spring (6).
7. Positioning and clamping device according to claim 6, characterised in that a resilient buffer block (431) is provided on the side of the pressure plate (43) facing the positioning stop (42).
8. The positioning and clamping device as recited in claim 1, characterized in that a circumferential engagement bearing (471) is rotatably connected to the follower shaft (47), the circumferential engagement bearing (471) being in contact engagement with the circumferential active surface (21), the rotational axis of the circumferential engagement bearing (471) being parallel to the rotational axis of the cam (2).
9. The positioning and clamping device as recited in claim 1, characterized in that an end face engagement bearing (472) is rotatably connected to the follower shaft (47), the end face engagement bearing (472) being in contact engagement with the axial active surface (22), the rotational axis of the end face bearing (472) being perpendicular to and intersecting the rotational axis of the cam (2).
10. The positioning and clamping device as recited in claim 1, characterized in that the base assembly (1) comprises a base (11), a support (12) and a positioning and clamping assembly mounting plate (13), the positioning and clamping assembly mounting plate (13) being connected to the base (11) by the support (12) such that the base (11) and the positioning and clamping assembly mounting plate (13) are spaced apart.
11. The positioning and clamping device according to claim 1, characterized in that it further comprises a motor (3), said cam (2) being connected to an output shaft of said motor (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111436104.3A CN114055364A (en) | 2021-11-29 | 2021-11-29 | Positioning and clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111436104.3A CN114055364A (en) | 2021-11-29 | 2021-11-29 | Positioning and clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114055364A true CN114055364A (en) | 2022-02-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111436104.3A Pending CN114055364A (en) | 2021-11-29 | 2021-11-29 | Positioning and clamping device |
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| Country | Link |
|---|---|
| CN (1) | CN114055364A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6442818B1 (en) * | 2000-03-28 | 2002-09-03 | Avaya Technology Corp. | Method for positioning components having critical positioning tolerances for attachment to a circuit board |
| US20080023925A1 (en) * | 2006-07-31 | 2008-01-31 | Smc Kabushiki Kaisha | Chuck Apparatus |
| CN104440681A (en) * | 2014-11-28 | 2015-03-25 | 王凡业 | Cam clamping mechanism |
| CN104493535A (en) * | 2014-12-22 | 2015-04-08 | 重庆泉海机械有限责任公司 | Clamping device of processing chutes |
| CN204935453U (en) * | 2015-09-11 | 2016-01-06 | 国网福建省电力有限公司 | A kind of electronic clamping device |
| CN107553371A (en) * | 2017-10-23 | 2018-01-09 | 安徽巨自动化装备有限公司 | Flexible positioning and clamping mechanism for cylinder type component |
| CN112951664A (en) * | 2021-03-10 | 2021-06-11 | 苏州盈科电子有限公司 | Device and method for folding and pasting patch |
-
2021
- 2021-11-29 CN CN202111436104.3A patent/CN114055364A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6442818B1 (en) * | 2000-03-28 | 2002-09-03 | Avaya Technology Corp. | Method for positioning components having critical positioning tolerances for attachment to a circuit board |
| US20080023925A1 (en) * | 2006-07-31 | 2008-01-31 | Smc Kabushiki Kaisha | Chuck Apparatus |
| CN104440681A (en) * | 2014-11-28 | 2015-03-25 | 王凡业 | Cam clamping mechanism |
| CN104493535A (en) * | 2014-12-22 | 2015-04-08 | 重庆泉海机械有限责任公司 | Clamping device of processing chutes |
| CN204935453U (en) * | 2015-09-11 | 2016-01-06 | 国网福建省电力有限公司 | A kind of electronic clamping device |
| CN107553371A (en) * | 2017-10-23 | 2018-01-09 | 安徽巨自动化装备有限公司 | Flexible positioning and clamping mechanism for cylinder type component |
| CN112951664A (en) * | 2021-03-10 | 2021-06-11 | 苏州盈科电子有限公司 | Device and method for folding and pasting patch |
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