CN109093207A - Self-centering double-station unidirectionally clamps circular rack gear milling clamper - Google Patents
Self-centering double-station unidirectionally clamps circular rack gear milling clamper Download PDFInfo
- Publication number
- CN109093207A CN109093207A CN201811154696.8A CN201811154696A CN109093207A CN 109093207 A CN109093207 A CN 109093207A CN 201811154696 A CN201811154696 A CN 201811154696A CN 109093207 A CN109093207 A CN 109093207A
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- Prior art keywords
- sliding block
- workpiece
- jaw
- type sliding
- moving jaw
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- 238000003801 milling Methods 0.000 title claims abstract description 20
- 238000003825 pressing Methods 0.000 claims description 7
- 210000000080 chela (arthropods) Anatomy 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000003746 surface roughness Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910001651 emery Inorganic materials 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F23/00—Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
- B23F23/02—Loading, unloading or chucking arrangements for workpieces
- B23F23/06—Chucking arrangements
Abstract
The invention discloses a kind of self-centering double-stations unidirectionally to clamp circular rack gear milling clamper, including chuck body, clamping cylinder；Clamping cylinder band movable slider moves horizontally, and the first moving jaw is fixedly installed on the right side of sliding block；Regular jaw is installed on the right side of chuck body, the T-type sliding block moved horizontally is equipped between the first moving jaw and regular jaw, the second moving jaw is installed on the left of T-type sliding block；Third moving jaw is installed on the right side of T-type sliding block, forms the first workpiece accommodating chamber between above-mentioned the first moving jaw and the second moving jaw；Second workpiece accommodating chamber is formed between above-mentioned third moving jaw and regular jaw；Workpiece axial movement power device and workpiece axial direction running fix device are installed on T-type sliding block；The identical T-type sliding block resetting apparatus of two groups of structures is symmetrically installed on the right side of chuck body.Compared to the prior art realize it is unidirectional clamp, have many advantages, such as rigidity is good, when cutting it is with small vibration, processing quality is high, cutter life that is high-efficient, using is long.
Description
Technical field
The invention belongs to circular rack Gear Milling technical fields more particularly to a kind of self-centering double-station unidirectionally to clamp knuckle-tooth
Gear milling clamper.
Background technique
In the prior art, it is clamped when processing circular rack with parallel jaw, wherein the moving jaw of parallel jaw is by hydraulic
Cylinder or cylinder driving.It when the clamping face of workpiece and jaw are not parallel, clamps built on the sand, is caused sometimes due to workpiece loosens
Make expensive dedicated rack milling cutter and workpiece damage, seriously affects production safety.Operator solve the above problems frequently with
Method is that upper emery cloth is padded between workpiece and jaw, to eliminate unevenness and increases clamping force with this.But this kind of method was both uneasy
It is complete reliably to increase the auxiliary clamping time again, to reduce processing efficiency.
A kind of self-centering double-station circular rack gear milling clamper, Patent No. 2011 are disclosed in the prior art
20536222.7, two workpiece are placed on fixed baffle two sides among flat pliers mouth in this fixture, are clamped respectively with two oil cylinders
Workpiece is processed.In milling, the cutting force of one workpiece is carried by intermediate fixed baffle, the Milling Accuracy and table of the part
Surface roughness can reach requirement, and the cutting force of another workpiece is carried by oil cylinder.Since hydraulic medium is not rigidity, cutting
Certain deformation can be generated under power effect by cutting, and cause to vibrate, and reduced the precision of workpieces processing and surface roughness, also influenced knife
The service life of tool reduces processing efficiency.
Summary of the invention
In view of the problems of the existing technology, the present invention provides a kind of Workpiece clamping quickly, cutting when it is with small vibration, processing
Precision height and the good self-centering double-station of surface roughness unidirectionally clamp circular rack gear milling clamper,
The invention is realized in this way a kind of self-centering double-station unidirectionally clamps circular rack gear milling clamper, including fixture sheet
Body, clamping cylinder；Clamping cylinder is fixedly mounted in the upper surface of the chuck body, and the piston of the clamping cylinder connects mandril,
The end of the mandril is moved horizontally under the drive of clamping cylinder by terminal pad connection sliding block, the sliding block；The cunning
The first moving jaw is fixedly installed on the right side of block, first moving jaw is friction clamp mouth；The position of corresponding first moving jaw
It sets and regular jaw is installed on the right side of the chuck body, the regular jaw is inclined-plane jaw, is installed on the regular jaw
There is the regular jaw briquetting connecting with chuck body；It is moved between the first above-mentioned moving jaw and regular jaw along clamping cylinder
Direction is equipped with linear guide, T-type sliding block is equipped in the linear guide, the T-type sliding block is in inversion, the T-type sliding block
Front-end and back-end be symmetrically arranged with pressing plate, the pressing plate passes through fastener jockey ontology；In the left side of T-type sliding block vertical portion
Second moving jaw is installed, the second jaw briquetting connecting with T-type sliding block is installed on second moving jaw, described
Two moving jaws are inclined-plane jaw；Third moving jaw is installed on the right side of T-type sliding block vertical portion, the third moving jaw is
Friction clamp mouth；The first workpiece accommodating chamber is formed between above-mentioned the first moving jaw and the second moving jaw；Above-mentioned third adjustable clamp
Second workpiece accommodating chamber is formed between mouth and regular jaw；Is installed on the T-type sliding block of the lower section of the first workpiece accommodating chamber
One workpiece backing plate；Second workpiece backing plate is installed on the T-type sliding block of the lower section of second workpiece accommodating chamber；The T-type sliding block
Front end be equipped with workpiece axial movement power device, the rear end of the T-type sliding block correspond to workpiece move axially power device position
Workpiece axial direction running fix device is installed；The identical T-type sliding block of two groups of structures is symmetrically installed on the right side of chuck body to reset
Device.
The present invention is equipped with the transportable T-type sliding block under clamping cylinder drive in chuck body, pacifies on T-type sliding block
The second moving jaw and third moving jaw are filled, the two moving jaws form two with the first moving jaw and regular jaw respectively
A workpiece accommodating chamber, and then two workpiece can be placed simultaneously, in actual processing, by clamping cylinder push T-type sliding block and
Workpiece moves right, and until clamping, compared to the prior art realizes unidirectional clamping, solves prior art two-way cylinder folder
It is tight there are the problem of；When after processing is completed, when clamping cylinder piston is moved to the left, work of the T-type sliding block in T-type sliding block resetting apparatus
, so that two workpiece accommodating chambers are opened, inclined-plane jaw is avoided to interfere when taking out workpiece toward a distance is moved left with lower,
Be conducive to workpiece taking-up, improve the working efficiency of unloading workpiece；Advantageous condition also is provided for manipulator automatic part picking simultaneously.
In the above-mentioned technical solutions, preferably；The workpiece axial movement power device includes cylinder, the work of the cylinder
Plug is connected with power plate, and the corresponding first workpiece accommodating chamber in the both ends of the power plate and second workpiece accommodating chamber position are equipped with top
Bar；The mandril is screwed on the power plate, is being screwed with locking nut on mandril described in cylinder side.
In the above-mentioned technical solutions, preferably；The workpiece axial direction running fix device includes positioning plate, the positioning plate
The corresponding first workpiece accommodating chamber in both ends and second workpiece accommodating chamber position be equipped with positioning lever, the positioning lever is screwed on calmly
On the plate of position, locking nut is screwed on the rear side positioning lever of positioning plate.
In the above-mentioned technical solutions, preferably；The T-type sliding block resetting apparatus includes the guide sleeve connecting with T-type sliding block,
It is equipped with mounting hole along T-type sliding block moving direction in chuck body described in corresponding guide sleeve position, is equipped in the mounting hole multiple
Position spring, the reset spring are inserted into guide sleeve, and the length of the guide sleeve is less than the length of reset spring, are resetting bullet
Spring pre-tightening adjusting rod is screwed on mounting hole described in the right end of spring, the spring pre-tightening adjusting rod described in the right side of chuck body
On be screwed with locking nut.
In the above-mentioned technical solutions, preferably；Corresponding to line slide rail position on T-type sliding block and being equipped with prevents chip from entering
The baffle of linear guide.
In conclusion the present invention and the self-centering double-station circular rack gear milling clamper phase of Patent No. 2,011 2,053 6222.7
Compare, processing cutting force is all carried by jaw ontology, the rigidity of fixture is good, when cutting it is with small vibration, processing quality is high, efficiency
Cutter life that is high, using is long.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is A-A cross-sectional view in Fig. 1.
In figure, 1, chuck body；2, clamping cylinder；3, mandril；4, terminal pad；5, sliding block；6, the first moving jaw；7, solid
Determine jaw；8, regular jaw briquetting；9, linear guide；10, T-type sliding block；11, pressing plate；12, the second moving jaw；13, the second pincers
Mouth briquetting；14, third moving jaw；15, the first workpiece accommodating chamber；16, second workpiece accommodating chamber；17, the first workpiece backing plate；
18, second workpiece backing plate；19, workpiece moves axially power device；19-1, cylinder；19-2, power plate；19-3, mandril；19-4,
Locking nut；20, workpiece axial direction running fix device；20-1, positioning plate；20-2, positioning lever；20-3, locking nut；21,T
Type sliding block resetting apparatus；21-1, guide sleeve；21-2, mounting hole；21-3, reset spring；21-4, spring pre-tightening adjusting rod；21-
5, locking nut；22, the first workpiece；23, second workpiece；24, baffle.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
Certain deformation can be generated in order to solve existing two-way cylinder under cutting force effect, causes to vibrate, makes to process work
The precision and surface roughness of part reduce, and influence the service life of cutter, the defect that processing efficiency is low, and the present invention provides a kind of self-centering
Double-station unidirectionally clamps circular rack gear milling clamper, to further illustrate technical solution of the present invention, carries out specifically in conjunction with attached drawing
It is bright:
Please referring to Fig. 1 and Fig. 2, a kind of self-centering double-station unidirectionally clamps circular rack gear milling clamper, including chuck body 1,
Clamping cylinder 2；Clamping cylinder is fixedly mounted in the upper surface of the chuck body, and the piston of the clamping cylinder connects mandril 3, institute
The end of mandril is stated by 4 connection sliding block 5 of terminal pad, the sliding block 5 moves horizontally under the drive of clamping cylinder；The cunning
The right side of block 5 is fixedly installed with the first moving jaw 6, and first moving jaw is friction clamp mouth, for clamping the first workpiece 22,
It is bonded when clamping with the flat horizontal surface on workpiece, on the one hand plays the role of clamping, on the other hand realize workpiece circumferential registration, prevent
The only effect of workpiece rotation；Regular jaw 7, institute are installed on the right side of chuck body described in the position of corresponding first moving jaw 6
Stating regular jaw is inclined-plane jaw, is equipped with the regular jaw briquetting 8 connecting with chuck body 1 on the regular jaw 7, is improved
The load resistant power of regular jaw prevents workpiece to be detached from jaw；It is oily along clamping between the first above-mentioned moving jaw and regular jaw
The cylinder direction of motion is equipped with linear guide 9, T-type sliding block 10 is equipped in the linear guide, the T-type sliding block is in inversion, institute
The front-end and back-end for stating T-type sliding block are symmetrically arranged with pressing plate 11, and for the pressing plate by fastener jockey ontology 1, the T-type is sliding
Block can move horizontally under the constraint of two side plates；Second moving jaw 12 is installed on the left of 10 vertical portion of T-type sliding block,
Second moving jaw is inclined-plane jaw；The second jaw pressure connecting with T-type sliding block is installed on second moving jaw
Block 13, the second jaw briquetting 13 is as the effect of regular jaw briquetting 8；Right side installation third in T-type sliding block vertical portion is living
Movable clamp port 14, the third moving jaw is friction clamp mouth, for clamping second workpiece 23；The first above-mentioned moving jaw and second
The first workpiece accommodating chamber 15 is formed between moving jaw；Second workpiece is formed between above-mentioned third moving jaw and regular jaw to hold
Receive chamber 16；The first workpiece backing plate 17 is installed on the T-type sliding block of the lower section of the first workpiece accommodating chamber；In second workpiece accommodating chamber
The lower section T-type sliding block on second workpiece backing plate 18 is installed；It is dynamic that the front end of the T-type sliding block is equipped with workpiece axial movement
Power device 19 provides power for workpiece is axially adjustable before clamping, and the rear end of the T-type sliding block corresponds to workpiece axial movement power
Setting position is equipped with workpiece axial direction running fix device 20, provides guarantee for workpiece axially position；It is right on the right side of chuck body
Claim two groups of structures of installation identical T-type sliding block resetting apparatus 21.
The present invention is equipped with the transportable T-type sliding block under clamping cylinder drive in chuck body, pacifies on T-type sliding block
The second moving jaw and third moving jaw are filled, the two moving jaws form two with the first moving jaw and regular jaw respectively
A workpiece accommodating chamber, and then two workpiece can be placed simultaneously, in actual processing, by clamping cylinder push T-type sliding block and
Workpiece moves right, and until clamping, compared to the prior art realizes unidirectional clamping, solves prior art two-way cylinder folder
It is tight there are the problem of；When after processing is completed, when clamping cylinder piston is moved to the left, work of the T-type sliding block in T-type sliding block resetting apparatus
, so that two workpiece accommodating chambers are opened, inclined-plane jaw is avoided to interfere when taking out workpiece toward a distance is moved left with lower,
Be conducive to workpiece taking-up, improve the working efficiency of unloading workpiece；Advantageous condition also is provided for manipulator automatic part picking simultaneously.
In the above-mentioned technical solutions, preferably；The workpiece axial movement power device 19 includes cylinder 19-1, the gas
The piston of cylinder is connected with power plate 19-2, the corresponding first workpiece accommodating chamber in the both ends of the power plate and second workpiece accommodating chamber position
Mandril 19-3 is installed；The mandril 19-3 is screwed on the power plate 19-2, in the spiral shell dress on mandril described in cylinder side
There is locking nut 19-4, prevent mandril from loosening, according to the length that the adjustable mandril of the effective travel of cylinder stretches, to guarantee work
The axially position of part.
In the above-mentioned technical solutions, preferably；The workpiece axial direction running fix device 20 includes positioning plate 20-1, described
The corresponding first workpiece accommodating chamber in the both ends of positioning plate and second workpiece accommodating chamber position are equipped with positioning lever 20-2, the positioning
Bar is screwed on positioning plate, is screwed with locking nut 20-3 on the rear side positioning lever of positioning plate, is prevented positioning lever from loosening；
According to the length that the effective travel of cylinder and the size of workpiece adjustment positioning lever are flexible, to guarantee the axially position of workpiece.
In the above-mentioned technical solutions, preferably；The T-type sliding block resetting apparatus 21 includes the guiding connecting with T-type sliding block
21-1 is covered, corresponds to and is equipped with mounting hole 21-2, the mounting hole along T-type sliding block moving direction in chuck body described in guide sleeve position
Reset spring 21-3 is inside installed, the reset spring is inserted into guide sleeve, and the length of the guide sleeve is less than reset spring
Length, guarantee the effective accumulation of energy of reset spring compression, it is pre- to be screwed with spring on the mounting hole described in the right end of reset spring
Tight adjusting rod 21-4 is screwed with locking nut 21-5 on the spring pre-tightening adjusting rod described in the right side of chuck body, prevents bullet
Spring pre-tightens adjusting rod and loosens.
Line slide rail position is corresponded on T-type sliding block, and the baffle 24 for preventing chip from entering linear guide is installed.
Working principle of the present invention:
Workpiece is placed on first on the workpiece backing plate of the first workpiece accommodating chamber 15 and second workpiece accommodating chamber 16, starts work
Part moves axially the cylinder 19-1 of power device 19, and power plate 19-2 drives mandril to move forward under the drive of cylinder, until
Until workpiece encounters the positioning lever of workpiece axial direction running fix device 20；Start clamping cylinder, clamping cylinder 2 pushes mandril 3
It moves right with sliding block 5, the first moving jaw 6 that the right side of sliding block 5 is fixedly mounted withstands the flat horizontal surface of the first workpiece, realizes the
One workpiece, 22 circumferential registration, with moving to right for sliding block 5, workpiece encounters the second moving jaw 12；Clamping cylinder will push at this time
One workpiece, T-type sliding block 10 continue to move right, when third moving jaw withstands the flat horizontal surface of second workpiece, realization second workpiece
23 circumferential registrations；The first workpiece 22, T-type sliding block 10, second workpiece 23 continue to move right under the drive of clamping cylinder, until
Second workpiece encounters regular jaw 7；The pinching action of two workpiece is completed, at the same time the reset of T-type sliding block resetting apparatus 21
Spring 21-3 is compressed, at this point it is possible to start machine tool processing workpiece；It is to be processed to finish, the piston driving mandril of clamping cylinder and
First moving jaw 6 unclamps the first workpiece, and T-type sliding block 10 resets to middle position, workpiece spindle under reset spring 21-3 effect
It is resetted to the cylinder 19-1 of mobile power device 19, that is, can be taken off machined two finished workpiece.
In conclusion the present invention and the self-centering double-station circular rack gear milling clamper phase of Patent No. 2,011 2,053 6222.7
Compare, processing cutting force is all carried by jaw ontology, the rigidity of fixture is good, when cutting it is with small vibration, processing quality is high, efficiency
Cutter life that is high, using is long.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (5)
1. a kind of self-centering double-station unidirectionally clamps circular rack gear milling clamper, including chuck body, clamping cylinder；Its feature exists
In clamping cylinder is fixedly mounted in the upper surface of the chuck body, and the piston of the clamping cylinder connects mandril, the mandril
End is moved horizontally under the drive of clamping cylinder by terminal pad connection sliding block, the sliding block；The right side of the sliding block is solid
Dingan County is equipped with the first moving jaw, and first moving jaw is friction clamp mouth；Fixture described in the position of corresponding first moving jaw
Regular jaw is installed, the regular jaw is inclined-plane jaw, is equipped with and fixture sheet on the regular jaw on the right side of ontology
The regular jaw briquetting of body connection；It is equipped between the first above-mentioned moving jaw and regular jaw along the clamping cylinder direction of motion
Linear guide, is equipped with T-type sliding block in the linear guide, the T-type sliding block in being inverted, the front end of the T-type sliding block and after
End is symmetrically arranged with pressing plate, and the pressing plate passes through fastener jockey ontology；Second is equipped on the left of T-type sliding block vertical portion
Moving jaw is equipped with the second jaw briquetting connecting with T-type sliding block, second moving jaw on second moving jaw
For inclined-plane jaw；Third moving jaw is installed on the right side of T-type sliding block vertical portion, the third moving jaw is friction clamp mouth；On
The first workpiece accommodating chamber is formed between the first moving jaw and the second moving jaw stated；Above-mentioned third moving jaw and grips pincers
Second workpiece accommodating chamber is formed between mouthful；The first workpiece backing plate is installed on the T-type sliding block of the lower section of the first workpiece accommodating chamber；
Second workpiece backing plate is installed on the T-type sliding block of the lower section of second workpiece accommodating chamber；The front end of the T-type sliding block is equipped with
Workpiece moves axially power device, and the rear end of the T-type sliding block corresponds to workpiece axial movement power device position and is equipped with workpiece spindle
To running fix device；The identical T-type sliding block resetting apparatus of two groups of structures is symmetrically installed on the right side of chuck body.
2. self-centering double-station according to claim 1 unidirectionally clamps circular rack gear milling clamper, it is characterised in that: the work
It includes cylinder that part, which moves axially power device, and the piston of the cylinder is connected with power plate, the both ends of the power plate corresponding the
One workpiece accommodating chamber and second workpiece accommodating chamber position are equipped with mandril；The mandril is screwed on the power plate, close to gas
Locking nut is screwed on mandril described in cylinder side.
3. self-centering double-station according to claim 1 unidirectionally clamps circular rack gear milling clamper, it is characterised in that: the work
It includes positioning plate that part, which moves axially positioning device, and the corresponding first workpiece accommodating chamber in the both ends of the positioning plate and second workpiece accommodate
Chamber position is equipped with positioning lever, and the positioning lever is screwed on positioning plate, is screwed on the rear side positioning lever of positioning plate
Locking nut.
4. self-centering double-station according to claim 1 unidirectionally clamps circular rack gear milling clamper, it is characterised in that: the T
Type sliding block resetting apparatus includes the guide sleeve connecting with T-type sliding block, along T-type sliding block in chuck body described in corresponding guide sleeve position
Moving direction is equipped with mounting hole, is equipped with reset spring in the mounting hole, the reset spring is inserted into guide sleeve, described
The length of guide sleeve is less than the length of reset spring, and spring pre-tightening adjusting is screwed on the mounting hole described in the right end of reset spring
Bar is screwed with locking nut on the spring pre-tightening adjusting rod described in the right side of chuck body.
5. self-centering double-station according to claim 1 unidirectionally clamps circular rack gear milling clamper, it is characterised in that: in T-type
Line slide rail position is corresponded on sliding block, and the baffle for preventing chip from entering linear guide is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811154696.8A CN109093207A (en) | 2018-09-30 | 2018-09-30 | Self-centering double-station unidirectionally clamps circular rack gear milling clamper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811154696.8A CN109093207A (en) | 2018-09-30 | 2018-09-30 | Self-centering double-station unidirectionally clamps circular rack gear milling clamper |
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| Publication Number | Publication Date |
|---|---|
| CN109093207A true CN109093207A (en) | 2018-12-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811154696.8A Pending CN109093207A (en) | 2018-09-30 | 2018-09-30 | Self-centering double-station unidirectionally clamps circular rack gear milling clamper |
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| CN (1) | CN109093207A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112775697A (en) * | 2019-11-04 | 2021-05-11 | 苏州华集数控科技有限公司 | Double-safety quick positioning device for workpiece clamp of numerical control milling machine workbench |
| CN114453684A (en) * | 2022-02-21 | 2022-05-10 | 恒锋工具股份有限公司 | Gear broaching clamp of steering gear rack |
| CN112775697B (en) * | 2019-11-04 | 2024-05-14 | 苏州华集数控科技有限公司 | Double-insurance quick positioning device for workpiece clamp of workbench of numerical control milling machine |
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| CN114453684A (en) * | 2022-02-21 | 2022-05-10 | 恒锋工具股份有限公司 | Gear broaching clamp of steering gear rack |
| CN114453684B (en) * | 2022-02-21 | 2024-03-15 | 恒锋工具股份有限公司 | Pulling tooth clamp for steering gear rack |
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