CN108406812B - Machining clamp - Google Patents

Machining clamp Download PDF

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Publication number
CN108406812B
CN108406812B CN201810163452.XA CN201810163452A CN108406812B CN 108406812 B CN108406812 B CN 108406812B CN 201810163452 A CN201810163452 A CN 201810163452A CN 108406812 B CN108406812 B CN 108406812B
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China
Prior art keywords
processing
cylinder
clamping plate
clamping
roller
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CN201810163452.XA
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Chinese (zh)
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CN108406812A (en
Inventor
陈兴杰
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Fujian Shigao Intelligent Technology Co ltd
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Fujian Shigao Intelligent Technology Co ltd
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Priority to CN202111482861.4A priority Critical patent/CN114131637B/en
Priority to CN201810163452.XA priority patent/CN108406812B/en
Publication of CN108406812A publication Critical patent/CN108406812A/en
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Publication of CN108406812B publication Critical patent/CN108406812B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25JMANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J15/00Gripping heads and other end effectors
    • B25J15/0019End effectors other than grippers
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Engineering & Computer Science (AREA)
  • Robotics (AREA)
  • Mechanical Engineering (AREA)
  • Jigs For Machine Tools (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

The invention relates to the field of processing equipment, in particular to a processing clamp which comprises a center frame and a processing device arranged on the center frame; the processing device comprises a first cylinder and a processing assembly; the processing assembly comprises a platform, a processing module arranged on the platform, a feeding roller and a waste roller; the platform comprises a flat plate, a processing module and a guide roller; the processing module integrally comprises a stroke cylinder, a processing head, a pressing block and a clamping block; the processing device also comprises a material roll, and the material roll is arranged on the feeding roller; the processing device also comprises a stepping motor, and the stepping motor is connected with the waste roller; the invention has the beneficial effects that: by using the processing clamp, the traditional manual operation mode can be replaced for operation; the first air cylinder is matched with the robot, so that the use area of the machining assembly is larger; through stroke cylinder, compact heap and the tight piece of clamp, can change the material area, realize automaticly.

Description

Machining clamp
Technical Field
The invention relates to the field of machining equipment, in particular to a machining clamp.
Background
At present, the surface processing of the automobile glass is mainly finished by adopting a manual operation mode, due to various chemical reagents, the operation environment is severe, the body health of an operator is seriously influenced, the manual operation cannot realize accurate control on time, speed and the like, the produced automobile glass cannot meet the performance requirements, and the rejection rate is high.
At present, robots are widely applied to various manufacturing fields, and the robot arms are very important as transmission and support components. Through install the processing anchor clamps additional on the robot, can promote work efficiency.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: provided is a machining jig which can be used for a robot.
In order to solve the technical problems, the invention adopts the technical scheme that: the processing clamp is arranged on a jaw of a robot and comprises a center frame and a processing device arranged on the center frame;
the center frame is a transverse hollow upright post with two open ends and comprises a top surface and a side surface; the top surface of the center frame is connected with a robot; the processing device comprises a first cylinder and a processing assembly; the first air cylinder is connected to the side surface of the center frame;
the processing assembly comprises a platform, a processing module arranged on the platform, and a feeding roller and a waste roller which are arranged at two ends of the platform; the platform is arranged in parallel with the first air cylinder and is connected to the first air cylinder; the platform comprises a flat plate, a processing module and a guide roller arranged between the platform and the feeding roller; the processing module is an integral body and comprises a stroke cylinder, a processing head, and a pressing block and a clamping block which are arranged on two sides of the processing head;
the processing device also comprises a material roll, and the material roll is arranged on the feeding roller; the material roll consists of a material belt; the material belt sequentially passes through the guide roller, the clamping block and the processing head and is finally connected to the waste roller;
the processing device further comprises a stepping motor, and the stepping motor is connected with the waste roller.
Furthermore, in the processing clamp, the clamping block comprises a clamping cylinder, a first clamping plate, a second clamping plate and a plurality of connecting sheets; the first clamping plate and the second clamping plate are arranged in parallel, and the material belt penetrates through the space between the first clamping plate and the second clamping plate; the first clamping plate is fixed on the processing module; the first clamping plate is connected with the second clamping plate through a connecting sheet; the connecting sheet is movably connected with the first clamping plate and the second clamping plate; the clamping cylinder is connected to one end of the second clamping plate.
Further, in the processing fixture, the pressing block comprises a pressing cylinder, a pressing arm and a pressing roller; one end of the pressing arm is movably connected to the platform, and the other end of the pressing arm is a free end; the pressing roller is movably connected to the free end; the pressing cylinder is fixed on the platform, and one end of the pressing cylinder is connected between two ends of the pressing arm; the material belt passes through the clearance between the pressing roller and the guide roller.
Further, in the above processing jig, the first cylinder is a double-rod cylinder.
Further, in the above processing fixture, the same processing device is arranged on the other side surface of the center frame in a mirror image manner.
Further, in the above processing fixture, the center frame further includes a bottom surface; a second processing assembly is arranged on the bottom surface and comprises a second air cylinder, a clamping head and a material block arranged on the clamping head; the second cylinder is used for connecting the bottom surface of the central frame and the clamping head; the clamping head is detachably connected with the material block.
Furthermore, in the processing clamp, the material of the material block is felt.
Further, in the above-mentioned machining jig, the machining jig further includes a connecting frame, and the connecting frame is located between the center frame and the robot.
Furthermore, in the processing fixture, the material belt is made of water-absorbing non-woven fabrics.
The invention has the beneficial effects that: by using the processing clamp, the traditional manual operation mode can be replaced for operation; the first air cylinder is matched with the robot, so that the use area of the machining assembly is larger; the material belt can be replaced through the stroke cylinder, the pressing block and the clamping block, so that automation is realized; through feed roll, waste material roller and step motor, can make the processing anchor clamps can carry out long-time use, and do not need frequent change consumptive material, promote machining efficiency.
Drawings
FIG. 1 is a three-dimensional view of a machining fixture according to an embodiment of the present invention;
FIG. 2 is a front view of a machining fixture in accordance with an embodiment of the present invention;
FIG. 3 is a side view of a machining fixture in accordance with an embodiment of the present invention;
description of reference numerals: 1. a center frame; 2. a processing device; 21. a first cylinder; 22. a feed roll;
23. a scrap roll; 24. a stroke cylinder; 25. a compression block; 26. a clamping block; 261. a clamping cylinder; 262. a first clamping plate; 263. connecting sheets; 27. a stepping motor; 28. a machining head; 29. a guide roller;
3. a connecting frame; 4. a second processing assembly; 41. a second cylinder; 42. a clamping head; 43. and (3) material blocks.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The most key concept of the invention is as follows: by using the processing clamp, the traditional manual operation mode can be replaced for operation; the first air cylinder is matched with the robot, so that the use area of the machining assembly is larger; through stroke cylinder, compact heap and the tight piece of clamp, can change the material area, realize automaticly.
Referring to fig. 1 and 3, a machining jig, which is installed on a jaw of a robot, includes a center frame 1 and a machining device 2 installed on the center frame 1;
the center frame 1 is a horizontal hollow upright post with two open ends and comprises a top surface and a side surface; the top surface of the center frame 1 is connected with a robot; the processing device 2 comprises a first air cylinder 21 and a processing assembly; the first cylinder 21 is connected to the side surface of the center frame 1;
the processing assembly comprises a platform, a processing module arranged on the platform, and a feeding roller 22 and a waste roller 23 which are arranged at two ends of the platform; the platform is arranged in parallel with the first cylinder 21 and is connected to the first cylinder 21; the platform comprises a flat plate, a processing module and a guide roller 29 arranged between the two platforms and the feeding roller 22; the machining module integrally comprises a stroke cylinder 24, a machining head 28, a pressing block 25 and a clamping block 26 which are arranged on two sides of the machining head 28;
the processing device 2 also comprises a material roll which is arranged on the feeding roller 22; the material roll consists of a material belt; the material belt sequentially passes through a guide roller 29, a clamping block 26, a processing head 28 and a pressing block 25 and is finally connected to the waste roller 23;
the processing device 2 further comprises a stepping motor 27, and the stepping motor 27 is connected with the scrap roller 23.
From the above description, the use process of the present invention is: the movement of the processing assembly is driven by the action of the robot in cooperation with the movement of the first cylinder 21, so that the part of the material strip on the processing head 28 is aligned with the processing position for processing.
From the above description, the replacement process of the material tape of the present invention is as follows: through processing head 28, compact heap 25 and the tight piece 26 of clamp on the processing module, press from both sides used partial material area on the processing head 28 through compact heap 25 and the tight piece 26 of clamp and press from both sides tightly, drive processing module global motion through stroke cylinder 24 to make the material area take place to remove, through the control to stroke cylinder 24 number of times of motion, can send used material area to waste roller 23 department completely, cooperate step motor 27 simultaneously, can collect used material area.
From the above description, the beneficial effects of the present invention are: by using the processing clamp, the traditional manual operation mode can be replaced for operation; the first air cylinder 21 is matched with the robot, so that the use area of the machining assembly can be larger; the material belt can be replaced through the stroke cylinder 24, the pressing block 25 and the clamping block 26, so that automation is realized; through feed roll 22, waste material roller 23 and step motor 27, can make the jig for processing can carry out long-time use, and need not frequent change consumptive material, promote machining efficiency.
Further, the clamping block 26 comprises a clamping cylinder 261, a first clamping plate 262, a second clamping plate and a plurality of connecting pieces 263; the first clamping plate 262 and the second clamping plate are arranged in parallel, and the material belt passes through between the first clamping plate 262 and the second clamping plate; the first clamping plate 262 is fixed to the machining module; the first clamping plate 262 is connected with the second clamping plate through a connecting piece 263; the connecting piece 263 is movably connected with the first clamping plate 262 and the second clamping plate; the clamping cylinder 261 is connected to one end of the second clamping plate.
As can be seen from the above description, the clamping process of the clamping block 26 is as follows: the second clamping plate is displaced by controlling the clamping cylinder 261, and the second clamping plate is moved toward the first clamping plate 262 by the connecting piece 263, thereby clamping the strip.
From the above description, through using mutually supporting between first clamp plate 262 and the second clamp plate, can press from both sides tight material area, when work or change, make the material book be difficult to take place the displacement, promote work efficiency, practice thrift the cost.
Further, the pressing block 25 comprises a pressing cylinder, a pressing arm and a pressing roller; one end of the pressing arm is movably connected to the platform, and the other end of the pressing arm is a free end; the pressing roller is movably connected to the free end; the pressing cylinder is fixed on the platform, and one end of the pressing cylinder is connected between two ends of the pressing arm; the strip of material passes through the gap between the pressure roller and the guide roller 29.
From the above description, through using the compact heap 25, can compress tightly the material area that passes between pinch roller and deflector roll 29, avoid because the not hard up of material area in the course of working leads to the failure of processing, promote work efficiency.
Further, the first cylinder 21 is a double-rod cylinder.
From the above description, it can be seen that by using the parallel-bar cylinder, the stability of the machining assembly during use can be ensured.
Further, the same processing device 2 is arranged on the other side surface of the center frame 1 in a mirror image mode.
Further, the center frame 1 further comprises a bottom surface; a second processing assembly 4 is arranged on the bottom surface, and the second processing assembly 4 comprises a second air cylinder 41, a clamping head 42 and a material block 43 arranged on the clamping head 42; the second air cylinder 41 is used for connecting the bottom surface of the central frame 1 and the clamping head 42; the clamping head 42 is detachably connected with the material block 43.
As can be seen from the above description, by using the second machining assembly 4, the machining jig can have different machining modes, and the performance of the machining jig is improved. Through the detachable connection of the clamping head 42 and the material block 43, the material block 43 can be conveniently selected and replaced.
Further, the material of the material block 43 is felt.
Further, the machining clamp further comprises a connecting frame 3, and the connecting frame 3 is located between the central frame 1 and the robot.
As is apparent from the above description, by the connecting frame 3, a larger working space can be provided for the machining jig.
Furthermore, the material of the material belt is water-absorbing non-woven fabrics.
Example one
A processing clamp is arranged on a jaw of a robot and comprises a center frame and a processing device arranged on the center frame;
the center frame is a transverse hollow upright post with two open ends and comprises a top surface and a side surface; the top surface of the center frame is connected with a robot; the processing device comprises a double-rod cylinder and a processing assembly; the double-rod cylinder is connected to the side surface of the central frame;
the processing assembly comprises a platform, a processing module arranged on the platform, and a feeding roller and a waste roller which are arranged at two ends of the platform; the platform is arranged in parallel with the double-rod cylinder and is connected to the double-rod cylinder; the platform comprises a flat plate, a processing module and a guide roller arranged between the platform and the feeding roller; the processing module is an integral body and comprises a stroke cylinder, a processing head, and a pressing block and a clamping block which are arranged on two sides of the processing head;
the processing device also comprises a material roll, and the material roll is arranged on the feeding roller; the material roll consists of a material belt; the material belt sequentially passes through the guide roller, the clamping block and the processing head and is finally connected to the waste roller; the material of material area is the non-woven fabrics that absorbs water.
The processing device further comprises a stepping motor, and the stepping motor is connected with the waste roller.
The clamping block comprises a clamping cylinder, a first clamping plate, a second clamping plate and a plurality of connecting pieces; the first clamping plate and the second clamping plate are arranged in parallel, and the material belt penetrates through the space between the first clamping plate and the second clamping plate; the first clamping plate is fixed on the processing module; the first clamping plate is connected with the second clamping plate through a connecting sheet; the connecting sheet is movably connected with the first clamping plate and the second clamping plate; the clamping cylinder is connected to one end of the second clamping plate.
The pressing block comprises a pressing cylinder, a pressing arm and a pressing roller; one end of the pressing arm is movably connected to the platform, and the other end of the pressing arm is a free end; the pressing roller is movably connected to the free end; the pressing cylinder is fixed on the platform, and one end of the pressing cylinder is connected between two ends of the pressing arm; the material belt passes through the clearance between the pressing roller and the guide roller.
The other side surface of the central frame is provided with the same processing device in a mirror image mode.
The center frame also comprises a bottom surface; a second processing assembly is arranged on the bottom surface and comprises a second air cylinder, a clamping head and a material block arranged on the clamping head; the second cylinder is used for connecting the bottom surface of the central frame and the clamping head; the clamping head is detachably connected with the material block. The material of the material block is felt.
The machining clamp further comprises a connecting frame, and the connecting frame is located between the central frame and the robot.
Example two
A processing clamp is arranged on a jaw of a robot and comprises a center frame and a processing device arranged on the center frame;
the center frame is a transverse hollow upright post with two open ends and comprises a top surface and a side surface; the top surface of the center frame is connected with a robot; the processing device comprises a double-rod cylinder and a processing assembly; the double-rod cylinder is connected to the side surface of the central frame;
the processing assembly comprises a platform, a processing module arranged on the platform, and a feeding roller and a waste roller which are arranged at two ends of the platform; the platform is arranged in parallel with the double-rod cylinder and is connected to the double-rod cylinder; the platform comprises a flat plate, a processing module and a guide roller arranged between the platform and the feeding roller; the processing module is an integral body and comprises a stroke cylinder, a processing head, and a pressing block and a clamping block which are arranged on two sides of the processing head;
the processing device also comprises a material roll, and the material roll is arranged on the feeding roller; the material roll consists of a material belt; the material belt sequentially passes through the guide roller, the clamping block and the processing head and is finally connected to the waste roller; the material of material area is the non-woven fabrics that absorbs water.
The processing device further comprises a stepping motor, and the stepping motor is connected with the waste roller.
The clamping block comprises a clamping cylinder, a first clamping plate, a second clamping plate and a plurality of connecting pieces; the first clamping plate and the second clamping plate are arranged in parallel, and the material belt penetrates through the space between the first clamping plate and the second clamping plate; the first clamping plate is fixed on the processing module; the first clamping plate is connected with the second clamping plate through a connecting sheet; the connecting sheet is movably connected with the first clamping plate and the second clamping plate; the clamping cylinder is connected to one end of the second clamping plate.
The pressing block comprises a pressing cylinder, a pressing arm and a pressing roller; one end of the pressing arm is movably connected to the platform, and the other end of the pressing arm is a free end; the pressing roller is movably connected to the free end; the pressing cylinder is fixed on the platform, and one end of the pressing cylinder is connected between two ends of the pressing arm; the material belt passes through the clearance between the pressing roller and the guide roller.
The other side surface of the central frame is provided with the same processing device in a mirror image mode.
The machining clamp further comprises a connecting frame, and the connecting frame is located between the central frame and the robot.
EXAMPLE III
A processing clamp is arranged on a jaw of a robot and comprises a center frame and a processing device arranged on the center frame;
the center frame is a transverse hollow upright post with two open ends and comprises a top surface and a side surface; the top surface of the center frame is connected with a robot; the processing device comprises a double-rod cylinder and a processing assembly; the double-rod cylinder is connected to the side surface of the central frame;
the processing assembly comprises a platform, a processing module arranged on the platform, and a feeding roller and a waste roller which are arranged at two ends of the platform; the platform is arranged in parallel with the double-rod cylinder and is connected to the double-rod cylinder; the platform comprises a flat plate, a processing module and a guide roller arranged between the platform and the feeding roller; the processing module is an integral body and comprises a stroke cylinder, a processing head, and a pressing block and a clamping block which are arranged on two sides of the processing head;
the processing device also comprises a material roll, and the material roll is arranged on the feeding roller; the material roll consists of a material belt; the material belt sequentially passes through the guide roller, the clamping block and the processing head and is finally connected to the waste roller; the material of material area is the non-woven fabrics that absorbs water.
The processing device further comprises a stepping motor, and the stepping motor is connected with the waste roller.
The clamping block comprises a clamping cylinder, a first clamping plate, a second clamping plate and a plurality of connecting pieces; the first clamping plate and the second clamping plate are arranged in parallel, and the material belt penetrates through the space between the first clamping plate and the second clamping plate; the first clamping plate is fixed on the processing module; the first clamping plate is connected with the second clamping plate through a connecting sheet; the connecting sheet is movably connected with the first clamping plate and the second clamping plate; the clamping cylinder is connected to one end of the second clamping plate.
The pressing block comprises a pressing cylinder, a pressing arm and a pressing roller; one end of the pressing arm is movably connected to the platform, and the other end of the pressing arm is a free end; the pressing roller is movably connected to the free end; the pressing cylinder is fixed on the platform, and one end of the pressing cylinder is connected between two ends of the pressing arm; the material belt passes through the clearance between the pressing roller and the guide roller.
The center frame also comprises a bottom surface; a second processing assembly is arranged on the bottom surface and comprises a second air cylinder, a clamping head and a material block arranged on the clamping head; the second cylinder is used for connecting the bottom surface of the central frame and the clamping head; the clamping head is detachably connected with the material block. The material of the material block is felt.
The machining clamp further comprises a connecting frame, and the connecting frame is located between the central frame and the robot.
In summary, the machining clamp provided by the invention can replace the traditional manual operation mode to perform operation by using the machining clamp; the first air cylinder is matched with the robot, so that the use area of the machining assembly is larger; the material belt can be replaced through the stroke cylinder, the pressing block and the clamping block, so that automation is realized; through feed roll, waste material roller and step motor, can make the processing anchor clamps can carry out long-time use, and do not need frequent change consumptive material, promote machining efficiency.
Through using mutually supporting between first clamp plate and the second clamp plate, can press from both sides tight material area, when work or change, make the material of rolling up be difficult to take place the displacement, promote work efficiency, practice thrift the cost.
Through using the compact heap, can compress tightly the material area of passing between compression roller and the deflector roll, avoid because the not hard up in the course of working material area, lead to the failure of processing, promote work efficiency.
Through using the parallel bars cylinder, can guarantee the stability of processing subassembly in the use.
Through using the second to process the subassembly, can make the jig for processing have different processing methods, promote the performance of jig for processing. Through the detachable connection of the clamping head and the material block, the material block can be conveniently selected and replaced.
Through the connecting frame, a larger working space can be provided for the machining clamp.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.

Claims (8)

1. A processing clamp is arranged on a jaw of a robot and is characterized by comprising a center frame and a processing device arranged on the center frame;
the center frame is a transverse hollow upright post with two open ends and comprises a top surface and a side surface; the top surface of the center frame is connected with a robot; the processing device comprises a first cylinder and a processing assembly; the first air cylinder is connected to the side surface of the center frame;
the processing assembly comprises a platform, a processing module arranged on the platform, and a feeding roller and a waste roller which are arranged at two ends of the platform; the platform is arranged in parallel with the first air cylinder and is connected to the first air cylinder; the platform comprises a flat plate, a processing module and a guide roller arranged between the platform and the feeding roller; the processing module is an integral body and comprises a stroke cylinder, a processing head, and a pressing block and a clamping block which are arranged on two sides of the processing head;
the processing device also comprises a material roll, and the material roll is arranged on the feeding roller; the material roll consists of a material belt; the material belt sequentially passes through the guide roller, the clamping block and the processing head and is finally connected to the waste roller;
the processing device also comprises a stepping motor, and the stepping motor is connected with the waste roller;
the clamping block comprises a clamping cylinder, a first clamping plate, a second clamping plate and a plurality of connecting pieces; the first clamping plate and the second clamping plate are arranged in parallel, and the material belt penetrates through the space between the first clamping plate and the second clamping plate; the first clamping plate is fixed on the processing module; the first clamping plate is connected with the second clamping plate through a connecting sheet; the connecting sheet is movably connected with the first clamping plate and the second clamping plate; the clamping cylinder is connected to one end of the second clamping plate.
2. The machining fixture of claim 1, wherein the hold-down block includes a hold-down cylinder, a hold-down arm, and a hold-down roller; one end of the pressing arm is movably connected to the platform, and the other end of the pressing arm is a free end; the pressing roller is movably connected to the free end; the pressing cylinder is fixed on the platform, and one end of the pressing cylinder is connected between two ends of the pressing arm; the material belt passes through the clearance between the pressing roller and the guide roller.
3. The machining fixture of claim 1, wherein the first cylinder is a dual rod cylinder.
4. A machining fixture according to any one of claims 1-3, characterized in that the other side of the steady is provided with mirror images of the same machining means.
5. The machining fixture of claim 1, wherein said central frame further includes a bottom surface; a second processing assembly is arranged on the bottom surface and comprises a second air cylinder, a clamping head and a material block arranged on the clamping head; the second cylinder is used for connecting the bottom surface of the central frame and the clamping head; the clamping head is detachably connected with the material block.
6. The machining fixture of claim 5, wherein the material of the block is felt.
7. The machining fixture of claim 1, further comprising a connecting frame between the central frame and the robot.
8. The processing fixture of claim 1, wherein the material strip is made of water-absorbent non-woven fabric.
CN201810163452.XA 2018-02-27 2018-02-27 Machining clamp Active CN108406812B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202111482861.4A CN114131637B (en) 2018-02-27 2018-02-27 Machining clamp with high machining efficiency
CN201810163452.XA CN108406812B (en) 2018-02-27 2018-02-27 Machining clamp

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Application Number Priority Date Filing Date Title
CN201810163452.XA CN108406812B (en) 2018-02-27 2018-02-27 Machining clamp

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CN108406812A CN108406812A (en) 2018-08-17
CN108406812B true CN108406812B (en) 2021-12-14

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CN108406812A (en) 2018-08-17
CN114131637A (en) 2022-03-04
CN114131637B (en) 2024-02-23

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