CN109128881A - Stationary fixture is used in a kind of processing of handware - Google Patents
Stationary fixture is used in a kind of processing of handware Download PDFInfo
- Publication number
- CN109128881A CN109128881A CN201810900968.8A CN201810900968A CN109128881A CN 109128881 A CN109128881 A CN 109128881A CN 201810900968 A CN201810900968 A CN 201810900968A CN 109128881 A CN109128881 A CN 109128881A
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- CN
- China
- Prior art keywords
- sliding
- groove
- hole
- wall
- cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a kind of handware processing stationary fixtures, including chuck body, it is opened up on the side inner wall of the chuck body fluted, the top of the groove is equipped with the cavity being provided in chuck body, through-hole is offered on the bottom side inner wall of cavity, and through-hole is connected with groove, sliding bar is movably installed in the through-hole, and the both ends of sliding bar all extend to outside through-hole, the bottom end of sliding bar extends in groove, and it is fixedly installed with fixture block, the top of the sliding bar extends in cavity, and fixing sleeve is connected to the slide plate in cavity on sliding bar, the side of the slide plate offers sliding groove in the horizontal direction, sliding shoe is slidably fitted in the sliding groove, the side of sliding shoe is equipped with fixed link, one end of fixed link extends to outside sliding groove.The present invention can be convenient for being clamped to handware for stable and convenient, while convenient for being adjusted according to the size of different handwares, structure is simple, easy to use.
Description
Technical field
The present invention relates to clamp arts more particularly to a kind of processing of handware to use stationary fixture.
Background technique
Existing fixture is used to fix processing object during referring to machine-building, is allowed to occupy correct position, to connect
By the device of construction or testing, also known as fixture, any process in technical process, be used to rapidly, easily and safely erector
The device of part, all can be described as fixture.
Application No. is the patents of CN201721711699.8 to disclose a kind of handware fixture for processing, including device sheet
Body, clamp fixing plate and stationary fixture, device noumenon inside are equipped with hydraulic cylinder, and it is hydraulic that hydraulic cylinder is located at connection on the outside of device noumenon
Jack control-rod, hydraulic cylinder top are equipped with fixed mesa, and hydraulic cylinder passes through fixed mesa and connects hydraulic jack, hydraulic jack
Top top connects Lifting platform, the beneficial effects obtained by the present invention are as follows being: a kind of handware fixture for processing of the present invention, the present invention
By by setting Lifting platform and flexibly changing angle clamp fixing plate, the vertical height of adjustable workbench and
Fixture operating angle facilitates work in specific component processing or by operated implement height limitation in the case where, by pressing from both sides
Tool is internal to be arranged rubber membrane, can be stable fix handware to be processed, workpiece will not be damaged, prevent from causing work
Factory or personal damage, structure of the invention is compact, easy to use, practical function, however, stationary fixture is used in the processing of existing handware
It is inconvenient in use, and cannot be adjusted according to the size of handware, there is limitation in use.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of handware processing proposed is with admittedly
Clamp tool.
To achieve the goals above, present invention employs following technical solutions:
A kind of handware processing stationary fixture, including chuck body offer on the side inner wall of the chuck body
Groove, the top of the groove are equipped with the cavity being provided in chuck body, through-hole are offered on the bottom side inner wall of cavity, and logical
Hole is connected with groove, sliding bar is movably installed in the through-hole, and the both ends of sliding bar all extend to outside through-hole, sliding bar
Bottom end extend in groove, and be fixedly installed with fixture block, the top of the sliding bar extends in cavity, and solid on sliding bar
Surely it is socketed with the slide plate in cavity, the side of the slide plate offers sliding groove in the horizontal direction, slides in the sliding groove
Dynamic to be equipped with sliding shoe, the side of sliding shoe is equipped with fixed link, and one end of fixed link extends to outside sliding groove, and is fixedly mounted
There is cam；
Cam is fixedly installed with l-shaped rod far from one end of fixed link, and cavity offers on the side inner wall of cam to be turned
Dynamic hole, l-shaped rod run through rotation hole far from one end of cam, and movable chamber is offered in the l-shaped rod, activity peace in the movable chamber
Equipped with motion bar, the two sides of motion bar, which offer, carves type groove, and slide opening, two slide openings point are offered on the two sides inner wall of cavity
The corresponding setting of type groove is not carved with two, is slidably fitted in slide opening and carves type block, and two are carved the side that type block is located remotely from each other
It is flexibly connected respectively with the two sides inner wall of rotation hole.
Preferably, it carves type block side close to each other and all extends in movable chamber for two, and carve type groove phase with two respectively
Adaptation.
Preferably, sliding slot is offered on the two sides inner wall of the slide opening, sliding block, two sliding blocks is slidably fitted in sliding slot
Side close to each other is fixedly connected with the two sides for carving type block respectively.
Preferably, one end of spring is fixedly installed on the side inner wall of the sliding slot, the other end of spring is fixedly mounted
On sliding block.
Preferably, limiting slot is offered on the two sides inner wall of the rotation hole, two are carved one end that type block is located remotely from each other
It is adapted respectively with two limiting slots.
Preferably, the motion bar is rotatably equipped with connecting rod, and the one end of connecting rod far from motion bar far from one end of cam
It is rotatably equipped with operating stick, operating stick extends to outside l-shaped rod far from one end of connecting rod.
Preferably, the movable chamber is far from offering through hole on the side inner wall of cam, and operating stick and through hole are living
Dynamic connection.
Compared with prior art, the beneficial effects of the present invention are:
In the present invention, pass through chuck body, groove, fixture block, through-hole, sliding bar, cavity, slide plate, cam, l-shaped rod, sliding
Block, sliding groove, fixed link, through hole, motion bar, operating stick are used cooperatively, in use, rotation operating stick, operating stick drive L-type
Bar rotation, l-shaped rod band moving cam rotate, and cam driven fixed link rotation, fixed link drives sliding shoe to slide in sliding groove, sliding
Motion block drives slide plate to move up and down, and slide plate drives sliding bar to slide up and down, and sliding bar drives fixture block to slide up and down, can be convenient for folder
Block is clamped and unclamps to handware；
By carving type groove, sliding block, limiting slot, carving type block, slide opening, spring, when needing the position of fixing clip, mobile behaviour
Make bar, operating stick drives motion bar to slide in movable chamber, and type block is carved in motion bar extruding, so that carving type block band movable slider in sliding slot
Interior sliding, and spring is squeezed, the type block of carving is moved in limiting slot, can be convenient for the position of fixing clip；
The present invention can be convenient for being clamped to handware for stable and convenient, while convenient for according to the size of different handwares
It is adjusted, structure is simple, easy to use.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that stationary fixture is used in a kind of handware processing proposed by the present invention；
Fig. 2 is part A structural schematic diagram in a kind of Fig. 1 of handware processing stationary fixture proposed by the present invention；
Fig. 3 is A1 partial structure diagram in a kind of Fig. 2 of handware processing stationary fixture proposed by the present invention；
Fig. 4 is the slide plate schematic perspective view that stationary fixture is used in a kind of handware processing proposed by the present invention.
In figure: 1 chuck body, 2 grooves, 3 fixture blocks, 4 through-holes, 5 sliding bars, 6 cavitys, 7 slide plates, 8 cams, 9L type bar, 10
Type groove, 16 movable chambers, 17 rotation holes, 18 operations are carved in sliding shoe, 11 sliding grooves, 12 fixed links, 13 through holes, 14 motion bars, 15
Type block, 22 slide openings, 23 springs are carved in bar, 19 sliding blocks, 20 limiting slots, 21.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-4, a kind of handware processing stationary fixture, including chuck body 1, the side inner wall of chuck body 1
On open up fluted 2, the top of groove 2 is equipped with the cavity 6 being provided in chuck body 1, offers on the bottom side inner wall of cavity 6
Through-hole 4, and through-hole 4 is connected with groove 2, is movably installed with sliding bar 5 in through-hole 4, and the both ends of sliding bar 5 all extend to it is logical
Outside hole 4, the bottom end of sliding bar 5 is extended in groove 2, and is fixedly installed with fixture block 3, and the top of sliding bar 5 extends to cavity 6
It is interior, and fixing sleeve is connected to the slide plate 7 in cavity 6 on sliding bar 5, the side of slide plate 7 offers sliding groove in the horizontal direction
11, sliding shoe 10 is slidably fitted in sliding groove 11, and the side of sliding shoe 10 is equipped with fixed link 12, and one end of fixed link 12 is prolonged
It extends to outside sliding groove 11, and is fixedly installed with cam 8；
Cam 8 is fixedly installed with l-shaped rod 9 far from one end of fixed link 12, and cavity 6 is opened on the side inner wall of cam 8
Equipped with rotation hole 17, l-shaped rod 9 runs through rotation hole 17 far from one end of cam 8, offers movable chamber 16, movable chamber in l-shaped rod 9
Motion bar 14 is movably installed in 16, the two sides of motion bar 14, which offer, carves type groove 15, opens on the two sides inner wall of cavity 16
Equipped with slide opening 22, two slide openings 22 carve the corresponding setting of type groove 15 with two respectively, are slidably fitted in slide opening 22 and carve type block 21,
And two are carved the side that type block 21 is located remotely from each other and are flexibly connected respectively with the two sides inner wall of rotation hole 17, by chuck body 1,
Groove 2, fixture block 3, through-hole 4, sliding bar 5, cavity 6, slide plate 7, cam 8, l-shaped rod 9, sliding shoe 10, sliding groove 11, fixed link
12, through hole 13, motion bar 14, operating stick 18 are used cooperatively, in use, rotation operating stick 18, operating stick 18 drive l-shaped rod 9
Rotation, l-shaped rod 9 are rotated with moving cam 8, and cam 8 drives fixed link 12 to rotate, and fixed link 12 drives sliding shoe 10 in sliding groove 11
Interior sliding, sliding shoe 10 drive slide plate 7 to move up and down, and slide plate 7 drives sliding bar 5 to slide up and down, and sliding bar 5 drives on fixture block 3
Lower slider can be clamped and unclamp to handware convenient for fixture block 3；By carving type groove 15, sliding block 19, limiting slot 20, carving type
Block 21, slide opening 22, spring 23, when needing the position of fixing clip 3, moving operation bar 18, operating stick 18 drives motion bar 14
It is slided in movable chamber 16, type block 21 is carved in the extruding of motion bar 14, is slided in sliding slot so that carving type block 21 with movable slider 19, and squeeze
Pressing spring 23 is carved type block 21 and is moved in limiting slot 20, and the position of fixing clip 3 can be convenient for；The present invention can be convenient for firm
Easily handware is clamped, meanwhile, convenient for being adjusted according to the size of different handwares, structure is simple, user
Just.
It carves the side close to each other of type block 21 for two to all extend in movable chamber 16, and carves 15 phase of type groove with two respectively and fit
Match, sliding slot is offered on the two sides inner wall of slide opening 22, sliding block 19 is slidably fitted in sliding slot, two sliding blocks 19 are close to each other
Side is fixedly connected with the two sides for carving type block 21 respectively, and one end of spring 23, spring are fixedly installed on the side inner wall of sliding slot
23 other end is fixedly mounted on sliding block 19, and limiting slot 20 is offered on the two sides inner wall of rotation hole 17, and two are carved type block
21 one end being located remotely from each other are adapted with two limiting slots 20 respectively, and motion bar 14 is rotatably equipped with company far from one end of cam 8
Bar, and connecting rod is rotatably equipped with operating stick 18 far from one end of motion bar 14, operating stick 18 extends to L-type far from one end of connecting rod
Outside bar 9, movable chamber 16 is far from offering through hole 13 on the side inner wall of cam 8, and operating stick 18 and 13 activity of through hole are even
Connect, by chuck body 1, groove 2, fixture block 3, through-hole 4, sliding bar 5, cavity 6, slide plate 7, cam 8, l-shaped rod 9, sliding shoe 10,
Sliding groove 11, fixed link 12, through hole 13, motion bar 14, operating stick 18 are used cooperatively, in use, rotation operating stick 18, operation
Bar 18 drives l-shaped rod 9 to rotate, and l-shaped rod 9 is rotated with moving cam 8, and cam 8 drives fixed link 12 to rotate, and fixed link 12 drives sliding
Block 10 slides in sliding groove 11, and sliding shoe 10 drives slide plate 7 to move up and down, and slide plate 7 drives sliding bar 5 to slide up and down, and slides
Bar 5 drives fixture block 3 to slide up and down, and handware can be clamped and be unclamped convenient for fixture block 3；By carve type groove 15, sliding block 19,
Limiting slot 20 carves type block 21, slide opening 22, spring 23, when needing the position of fixing clip 3, moving operation bar 18, and operating stick 18
Motion bar 14 is driven to slide in movable chamber 16, type block 21 is carved in the extruding of motion bar 14, so that carving type block 21 with movable slider 19 in cunning
Sliding in slot, and spring 23 is squeezed, it carves type block 21 and is moved in limiting slot 20, the position of fixing clip 3 can be convenient for；The present invention
It can be convenient for being clamped to handware for stable and convenient, meanwhile, convenient for being adjusted according to the size of different handwares, structure
Simply, easy to use.
Working principle: in use, rotation operating stick 18, operating stick 18 drive l-shaped rod 9 to rotate, l-shaped rod 9 is with 8 turns of moving cam
Dynamic, cam 8 drives fixed link 12 to rotate, and fixed link 12 drives sliding shoe 10 to slide in sliding groove 11, and sliding shoe 10, which drives, to be slided
Plate 7 moves up and down, and slide plate 7 drives sliding bar 5 to slide up and down, and sliding bar 5 drives fixture block 3 to slide up and down, and reaches right convenient for fixture block 3
The purpose that handware is clamped and unclamps；When needing the position of fixing clip 3, moving operation bar 18, operating stick 18 is driven
Motion bar 14 slides in movable chamber 16, and type block 21 is carved in the extruding of motion bar 14, so that carving type block 21 with movable slider 19 in sliding slot
Sliding, and spring 23 is squeezed, it carves type block 21 and is moved in limiting slot 20, the position of fixing clip 3 can be convenient for, reached convenient for steady
Gu easily handware is clamped, meanwhile, convenient for the purpose being adjusted according to the size of different handwares.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of handware processing stationary fixture, including chuck body (1), which is characterized in that the one of the chuck body (1)
It is opened up on the inner wall of side fluted (2), the top of the groove (2) is equipped with the cavity (6) being provided on chuck body (1), cavity
(6) it offers on bottom side inner wall through-hole (4), and through-hole (4) is connected with groove (2), is movably installed in the through-hole (4)
Sliding bar (5), and the both ends of sliding bar (5) all extend to through-hole (4) outside, the bottom end of sliding bar (5) extends in groove (2),
And fixture block (3) are fixedly installed with, the top of the sliding bar (5) extends in cavity (6), and is fixedly attached on sliding bar (5)
There is the slide plate (7) being located in cavity (6), the side of the slide plate (7) offers sliding groove (11), the sliding in the horizontal direction
It being slidably fitted with sliding shoe (10) in slot (11), the side of sliding shoe (10) is equipped with fixed link (12), and the one of fixed link (12)
End extends to sliding groove (11) outside, and is fixedly installed with cam (8)；
Cam (8) is fixedly installed with l-shaped rod (9) far from the one end of fixed link (12), and cavity (6) is in the side of cam (8)
It is offered on wall rotation hole (17), l-shaped rod (9) runs through rotation hole (17) far from the one end of cam (8), opens on the l-shaped rod (9)
Equipped with movable chamber (16), it is movably installed with motion bar (14) in the movable chamber (16), the two sides of motion bar (14) offer
It carves type groove (15), is offered on the two sides inner wall of cavity (16) slide opening (22), two slide openings (22) carve type groove with two respectively
(15) corresponding setting is slidably fitted in slide opening (22) and carves type block (21), and two carve that type block (21) is located remotely from each other one
Side is flexibly connected with the two sides inner wall of rotation hole (17) respectively.
2. a kind of handware processing stationary fixture according to claim 1, which is characterized in that two are carved type block (21) phase
Mutually close side all extends in movable chamber (16), and carves type groove (15) with two respectively and be adapted.
3. a kind of handware processing stationary fixture according to claim 1, which is characterized in that the two of the slide opening (22)
Sliding slot is offered on the inner wall of side, is slidably fitted in sliding slot sliding block (19), two sliding blocks (19) side difference close to each other
It is fixedly connected with the two sides for carving type block (21).
4. a kind of handware processing stationary fixture according to claim 3, which is characterized in that in the side of the sliding slot
One end of spring (23) is fixedly installed on wall, the other end of spring (23) is fixedly mounted on sliding block (19).
5. a kind of handware processing stationary fixture according to claim 1, which is characterized in that the rotation hole (17)
Offered on the inner wall of two sides limiting slot (20), two carve one end that type block (21) is located remotely from each other respectively with two limiting slots (20)
It is adapted.
6. a kind of handware processing stationary fixture according to claim 1, which is characterized in that the motion bar (14) is remote
One end from cam (8) is rotatably equipped with connecting rod, and connecting rod is rotatably equipped with operating stick (18) far from one end of motion bar (14),
Operating stick (18) extends to l-shaped rod (9) outside far from one end of connecting rod.
7. a kind of handware processing stationary fixture according to claim 1, which is characterized in that the movable chamber (16) is remote
It is offered on side inner wall from cam (8) through hole (13), and operating stick (18) is flexibly connected with through hole (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810900968.8A CN109128881A (en) | 2018-08-09 | 2018-08-09 | Stationary fixture is used in a kind of processing of handware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810900968.8A CN109128881A (en) | 2018-08-09 | 2018-08-09 | Stationary fixture is used in a kind of processing of handware |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109128881A true CN109128881A (en) | 2019-01-04 |
Family
ID=64792450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810900968.8A Pending CN109128881A (en) | 2018-08-09 | 2018-08-09 | Stationary fixture is used in a kind of processing of handware |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109128881A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113510180A (en) * | 2020-04-10 | 2021-10-19 | 中国兵器工业第五九研究所 | Fine blanking forming device and friction plate fine blanking forming method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3034827A1 (en) * | 1980-09-16 | 1982-04-29 | Arthur 2407 Bad Schwartau Walter | Hydraulic prop for supporting work during machining - uses self-locking wedge securing against downward movement and spring for upward reset |
| CN2685080Y (en) * | 2003-09-19 | 2005-03-16 | 孙玉华 | Straight line glue book binding book covering machine |
| CN2767048Y (en) * | 2004-12-14 | 2006-03-29 | 哈尔滨量具刃具集团有限责任公司 | Adjustable locking wedge structure |
| DE102008049753A1 (en) * | 2008-10-01 | 2010-04-08 | Ludwig Ehrhardt Gmbh | Clamping device for clamping workpiece on e.g. table, has clamping bolt and holder piston that are connected with each other by dovetail connection, where bolt and piston are arranged at right angles to each other |
| CN202155564U (en) * | 2011-06-30 | 2012-03-07 | 上虞市雄盛电器有限公司 | Three-hole drilling fixture |
| CN203401319U (en) * | 2013-08-13 | 2014-01-22 | 宁波勋辉电器有限公司 | Clamp structure of gearbox wedge framework |
| CN105515299A (en) * | 2016-02-17 | 2016-04-20 | 常州神力电机股份有限公司 | Overlying tool for large motor stator iron core |
| CN207522153U (en) * | 2017-12-11 | 2018-06-22 | 重庆新浩南线缆有限公司 | A kind of handware fixture for processing |
| CN207606548U (en) * | 2017-12-11 | 2018-07-13 | 重庆新浩南线缆有限公司 | A kind of clamping device for handware drilling processing |
-
2018
- 2018-08-09 CN CN201810900968.8A patent/CN109128881A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3034827A1 (en) * | 1980-09-16 | 1982-04-29 | Arthur 2407 Bad Schwartau Walter | Hydraulic prop for supporting work during machining - uses self-locking wedge securing against downward movement and spring for upward reset |
| CN2685080Y (en) * | 2003-09-19 | 2005-03-16 | 孙玉华 | Straight line glue book binding book covering machine |
| CN2767048Y (en) * | 2004-12-14 | 2006-03-29 | 哈尔滨量具刃具集团有限责任公司 | Adjustable locking wedge structure |
| DE102008049753A1 (en) * | 2008-10-01 | 2010-04-08 | Ludwig Ehrhardt Gmbh | Clamping device for clamping workpiece on e.g. table, has clamping bolt and holder piston that are connected with each other by dovetail connection, where bolt and piston are arranged at right angles to each other |
| CN202155564U (en) * | 2011-06-30 | 2012-03-07 | 上虞市雄盛电器有限公司 | Three-hole drilling fixture |
| CN203401319U (en) * | 2013-08-13 | 2014-01-22 | 宁波勋辉电器有限公司 | Clamp structure of gearbox wedge framework |
| CN105515299A (en) * | 2016-02-17 | 2016-04-20 | 常州神力电机股份有限公司 | Overlying tool for large motor stator iron core |
| CN207522153U (en) * | 2017-12-11 | 2018-06-22 | 重庆新浩南线缆有限公司 | A kind of handware fixture for processing |
| CN207606548U (en) * | 2017-12-11 | 2018-07-13 | 重庆新浩南线缆有限公司 | A kind of clamping device for handware drilling processing |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113510180A (en) * | 2020-04-10 | 2021-10-19 | 中国兵器工业第五九研究所 | Fine blanking forming device and friction plate fine blanking forming method |
| CN113510180B (en) * | 2020-04-10 | 2023-02-07 | 中国兵器工业第五九研究所 | A fine blanking forming device and a fine blanking forming method of a friction plate |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190104 |
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| WD01 | Invention patent application deemed withdrawn after publication |