CN109676428A - A kind of fixture fast replacement system - Google Patents
A kind of fixture fast replacement system Download PDFInfo
- Publication number
- CN109676428A CN109676428A CN201910115727.7A CN201910115727A CN109676428A CN 109676428 A CN109676428 A CN 109676428A CN 201910115727 A CN201910115727 A CN 201910115727A CN 109676428 A CN109676428 A CN 109676428A
- Authority
- CN
- China
- Prior art keywords
- fixture
- motherboard
- daughter board
- slot
- ring structure
- 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.)
- Pending
Links
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 239000013013 elastic material Substances 0.000 claims description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of fixture fast replacement systems, and the fixture daughter board including fixture motherboard, above fixture motherboard, the fixture motherboard includes motherboard slot, fixing piece；For the motherboard slot position at two side position of fixture motherboard top end surface, the fixing piece is located at the side of motherboard slot, and fixing piece is vertical with motherboard slot to be connect, and the fixture daughter board includes daughter board slot, moving assembly；At the two sides of the bottom position of fixture daughter board pyramidal structure is arranged, the pyramidal structure includes sloped footing, conical rebate in the daughter board slot position below the fixture daughter board；The sloped footing is located at pyramidal structure bottom, and sloped footing matches with daughter board slot, has ring structure above the fixture motherboard, the ring structure includes annular base, annular notches；The annular notches are located at the top of ring structure and the position of corresponding annular base, and the annular notches are built-in with disc spring part, and the disc spring part is fixedly mounted on the surface of ring structure.
Description
Technical field
The present invention relates to chuck apparatus technical field, specially a kind of fixture fast replacement system.
Background technique
Existing quick-replaceable is using Zero-point positioning system etc., by installing positioning component reality respectively on two boards
It is existing, to reach quick-replaceable purpose.But this structure processing cost is high, load-bearing is low, cannot be used in high-intensitive processing
In, and structure is complicated, is unfavorable for the production and processing of the inexpensive investment of popular, particularly medium-sized and small enterprises.It would therefore be desirable to
Design a kind of chucking appliance system convenient for quick-replaceable fixture.
Summary of the invention
The purpose of the present invention is to provide a kind of fixture fast replacement systems, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the invention provides the following technical scheme: a kind of fixture fast replacement system, including fixture are female
Plate, the fixture daughter board above fixture motherboard, the fixture motherboard include motherboard slot, fixing piece；The motherboard slot position is in folder
Have at two side position of motherboard top end surface, the fixing piece is located at the side of motherboard slot, and fixing piece is vertical with motherboard slot to be connect, institute
Stating fixture daughter board includes daughter board slot, moving assembly；The daughter board slot position is at the two sides of the bottom position of fixture daughter board, the movement
Component is located at the two sides of daughter board slot, and moving assembly is connect with daughter board rooved face, and pyramidal structure, institute are arranged below the fixture daughter board
Stating pyramidal structure includes sloped footing, conical rebate；The sloped footing is located at pyramidal structure bottom, sloped footing and daughter board slot
Match, the conical rebate is located at the top of pyramidal structure, and conical rebate and sloped footing are in same vertical line, described
There is ring structure above fixture motherboard, the ring structure includes annular base, annular notches；The annular base is located at annular
Structural base, annular base match with motherboard slot, and the annular notches are located at the top of ring structure and corresponding annular base
Position at, the annular notches are built-in with disc spring part, and the disc spring part is fixedly mounted on the surface of ring structure.
As a preferred technical solution of the present invention, the fixing piece includes fixed block, fixing sucking disk；The fixed block
Positioned at the side of motherboard slot, the fixing sucking disk is located at the top of fixed block, and fixing sucking disk and ring structure absorption connect, Gu
The setting for determining part improves the stability that annular mechanism is fixed in motherboard slot.
As a preferred technical solution of the present invention, the fixing sucking disk bottom is provided with telescopic rod, and fixing sucking disk is logical
It crosses telescopic rod to connect with fixed block, and telescopic rod, using made of elastic material, the setting of telescopic rod is convenient for fixing sucking disk adjustment
Position.
As a preferred technical solution of the present invention, the moving assembly includes mobile bar, daughter board through-hole；The movement
Bar is located at the two sides of moving assembly, and the daughter board through-hole is located at moving assembly two sides and corresponds at mobile bar position, and mobile bar is worn
It crosses daughter board through-hole to connect with pyramidal structure two sides, the setting of moving assembly improves the stability that pyramidal structure is placed on daughter board slot
Energy.
As a preferred technical solution of the present invention, the disc spring part includes spring lever, spring shim；The spring lever
Positioned at the inside of ring structure, the spring shim is located at the surface of ring structure, and spring shim is vertical with spring lever to be connect, and
Spring shim is made of butterfly gasket, and the fixture being conducive to by pyramidal structure that is provided with of disc spring part is fixed on one with ring structure
It rises, is conveniently replaceable.
As a preferred technical solution of the present invention, the conical rebate is built-in with clamping piece, and the clamping piece includes
Supporting rod, clamping end；The supporting rod is located at the inside of conical rebate, and the clamping end is located at the top of supporting rod, and
Clamping end is clamped and connected with chucking surface, and the clamping piece in conical rebate is improved and fixed convenient for fixing the fixture of replacement
Effect.
As a preferred technical solution of the present invention, handle, the handle bottom are provided on the outside of the fixture motherboard
Two sides are provided with screw thread projection, and the groove of the screw thread projection screw thread projection corresponding with fixture master surface is threadedly coupled, handle
Setting fixture motherboard easy to remove position, improve the replacement efficiency of fixture.
As a preferred technical solution of the present invention, fixture motherboard bottom is provided with movable pulley, the movable pulley
Surface is provided with brake valve, and the brake valve is threadedly coupled with movable pulley, and the setting of movable pulley improves the clamp-replacing system
Travelling performance.
As a preferred technical solution of the present invention, the fixture motherboard, fixture daughter board inner wall are provided with shakeproof layer,
A hollow layer is provided between the shakeproof layer and inner wall, the setting of shakeproof layer improves shockproof effect, reduces fixture and is replacing
The accident occurred in the process.
Compared with prior art, the beneficial effects of the present invention are: the present invention installs cone by using in daughter board motherboard respectively
The method of shape structure and ring structure, the present invention is at low cost, is suitable for popular processing enterprise, when replacing fixture, especially
It is can faster to replace fixture in the case that same lathe often replaces different fixtures, reduces replacement and looks for fiducial time, keeps away
Exempt to waste time, to achieve the purpose that high precision, high efficiency processing.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is fixture motherboard structure schematic diagram of the invention；
Fig. 3 is fixture daughter board structural schematic diagram of the invention；
Fig. 4 is ring structure schematic diagram of the invention.
In figure: 1, fixture motherboard；11, motherboard slot；12, fixing piece；121, fixed block；122, fixing sucking disk；123, it stretches
Bar；2, fixture daughter board；21, daughter board slot；22, moving assembly；221, mobile bar；222, daughter board through-hole；3, pyramidal structure；31, it bores
Shape pedestal；32, conical rebate；4, ring structure；41, annular base；42, annular notches；5, disc spring part；51, spring lever；52,
Disc spring gasket；6, clamping piece；61, supporting rod；62, end is clamped；7, handle；71, screw thread projection；8, movable pulley；81, it brakes
Valve；9, shakeproof layer.
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.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the orientation of the instructions such as term "vertical", "upper", "lower", "horizontal"
Or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, and
It is not that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore
It is not considered as limiting the invention.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, it can manage as the case may be
Solve the concrete meaning of above-mentioned term in the present invention.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution: a kind of fixture fast replacement system, including fixture motherboard
1, the fixture daughter board 2 above fixture motherboard 1, the fixture motherboard 1 include motherboard slot 11, fixing piece 12；The motherboard slot
11 are located at 1 top end surface of fixture motherboard, two side position, and the fixing piece 12 is located at the side of motherboard slot 11, fixing piece 12 and mother
Board slot 11 vertically connects, and the fixture daughter board 2 includes daughter board slot 21, moving assembly 22；The daughter board slot 21 is located at fixture daughter board 2
Two sides of the bottom position at, the moving assembly 22 is located at the two sides of daughter board slot 21, and moving assembly 22 and 21 surface of daughter board slot connect
It connects, pyramidal structure 3 is set below the fixture daughter board 2, the pyramidal structure 3 includes sloped footing 31, conical rebate 32；It is described
Sloped footing 31 is located at 3 bottom of pyramidal structure, and sloped footing 31 matches with daughter board slot 21, and the conical rebate 32 is located at taper
The top of structure 3, conical rebate 32 and sloped footing 31 are in same vertical line, have ring junction above the fixture motherboard 1
Structure 4, the ring structure 4 include annular base 41, annular notches 42；The annular base 41 is located at 4 bottom of ring structure, ring
Shape pedestal 41 matches with motherboard slot 11, and the annular notches 42 are located at the top of ring structure 4 and correspond to annular base 41
At position, the annular notches 42 are built-in with disc spring part 5, and the disc spring part 5 is fixedly mounted on the surface of ring structure 4.
Preferably, the fixing piece 12 includes fixed block 121, fixing sucking disk 122；The fixed block 121 is located at motherboard slot
11 side, the fixing sucking disk 122 is located at the top of fixed block 121, and fixing sucking disk 122 and the absorption of ring structure 4 connect,
The setting of fixing piece 12 improves annular mechanism 4 and is fixed on the stability in motherboard slot 11.
Preferably, 122 bottom of fixing sucking disk is provided with telescopic rod 123, fixing sucking disk 122 by telescopic rod 123 with
Fixed block 121 connects, and telescopic rod 123, using made of elastic material, the setting of telescopic rod 123 is convenient for the tune of fixing sucking disk 122
Whole position.
Preferably, the moving assembly 22 includes mobile bar 221, daughter board through-hole 222；The mobile bar 221 is located at movement
The two sides of component 22, the daughter board through-hole 222 are located at 22 two sides of moving assembly and correspond at 221 position of mobile bar, mobile bar 221
It is connect across daughter board through-hole 222 with 3 two sides of pyramidal structure, the setting of moving assembly 22 improves pyramidal structure 3 and is placed on daughter board
The stability of slot 21.
Preferably, the disc spring part 5 includes spring lever 51, spring shim 52；The spring lever 51 is located at ring structure 4
Inside, the spring shim 52 are located at the surface of ring structure 4, and spring shim 52 is vertical with spring lever 51 to be connect, and spring pad
Piece 52 is made of butterfly gasket, and the fixture being conducive to by pyramidal structure 3 that is provided with of disc spring part 5 is fixed on one with ring structure 4
It rises, is conveniently replaceable.
Preferably, the conical rebate 32 is built-in with clamping piece 6, and the clamping piece 6 includes supporting rod 61, clamping end
62；The supporting rod 61 is located at the inside of conical rebate 32, and the clamping end 62 is located at the top of supporting rod 61, and clamping end
First 62 are clamped and connected with chucking surface, and the clamping piece 6 in conical rebate 32 improves fixed effect convenient for fixing the fixture of replacement
Fruit.
Preferably, handle 7 is provided on the outside of the fixture motherboard 1,7 two sides of the bottom of handle are provided with screw thread projection
71, the groove of the screw thread projection 71 corresponding with 1 surface of fixture motherboard of screw thread projection 71 is threadedly coupled, and the setting of handle 7 is convenient for
The replacement efficiency of fixture is improved in the position of mobile fixture motherboard 1.
Preferably, 1 bottom of fixture motherboard is provided with movable pulley 8, and 8 surface of movable pulley is provided with brake valve 81,
The brake valve 81 is threadedly coupled with movable pulley 8, and the setting of movable pulley 8 improves the travelling performance of the clamp-replacing system.
Preferably, the fixture motherboard 1,2 inner wall of fixture daughter board are provided with shakeproof layer 9, the shakeproof layer 9 and inner wall it
Between be provided with a hollow layer, the setting of shakeproof layer 9 improves shockproof effect, reduces the accident that fixture occurs in replacement process.
Working principle: ring structure 4 is placed in the motherboard slot 11 at fixture motherboard 1 first, by fixing piece 12
Fixing sucking disk 122 and ring structure 4 in 41 outer surface of annular base adsorb connect, fixing sucking disk 122 pass through telescopic rod 123
It is connect with fixed block 121, the disc spring part 5 at annular notches 42 is fixed on inside annular notches 42 by spring lever 51, taper knot
Structure 3 is placed at the daughter board slot 21 at fixture daughter board 2, by the mobile bar 221 in moving assembly 22 pass through daughter board through-hole 222 with
31 liang of side contacts of sloped footing achieve the purpose that fix pyramidal structure 3, are placed on the fixture at conical rebate 32 and pass through clamping
Part 6 is fixed, and the clamping end 62 in clamping piece 6 carries out mobile fixed clamp by supporting rod 61, achieve the effect that it is fixed,
Spring shim 52 is connect with the other end of fixture, and fixture is fixed between fixture motherboard 1 and fixture daughter board 2, is improved
Replace the efficiency of fixture.
It is worth noting that: whole device realizes control to it by main control button, sets since control button is matched
Standby is commonly used equipment, belongs to existing Changshu technology, details are not described herein its electrical connection and specific circuit structure.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of fixture fast replacement system, including fixture motherboard (1), the fixture daughter board (2) being located above fixture motherboard (1),
It is characterized by: the fixture motherboard (1) includes motherboard slot (11), fixing piece (12)；The motherboard slot (11) is located at fixture mother
At two side position of plate (1) top end surface, the fixing piece (12) is located at the side of motherboard slot (11), fixing piece (12) and motherboard slot
(11) vertical connection, the fixture daughter board (2) includes daughter board slot (21), moving assembly (22)；The daughter board slot (21) is located at folder
At the two sides of the bottom position for having daughter board (2), the moving assembly (22) is located at the two sides of daughter board slot (21), moving assembly (22) and
Pyramidal structure (3) are arranged in the connection of daughter board slot (21) surface, fixture daughter board (2) lower section, and the pyramidal structure (3) includes taper
Pedestal (31), conical rebate (32)；The sloped footing (31) is located at pyramidal structure (3) bottom, sloped footing (31) and daughter board
Slot (21) matches, and the conical rebate (32) is located at the top of pyramidal structure (3), conical rebate (32) and sloped footing (31)
In same vertical line, have ring structure (4) above the fixture motherboard (1), the ring structure (4) includes annular base
(41), annular notches (42)；The annular base (41) is located at ring structure (4) bottom, annular base (41) and motherboard slot
(11) match, the annular notches (42) are located at the position of the top of ring structure (4) and corresponding annular base (41), institute
It states annular notches (42) to be built-in with disc spring part (5), the disc spring part (5) is fixedly mounted on the surface of ring structure (4).
2. a kind of fixture fast replacement system according to claim 1, it is characterised in that: the fixing piece (12) includes solid
Determine block (121), fixing sucking disk (122)；The fixed block (121) is located at the side of motherboard slot (11), the fixing sucking disk (122)
Positioned at the top of fixed block (121), and fixing sucking disk (122) and ring structure (4) absorption connect.
3. a kind of fixture fast replacement system according to claim 2, it is characterised in that: fixing sucking disk (122) bottom
Portion is provided with telescopic rod (123), and fixing sucking disk (122) is connect by telescopic rod (123) with fixed block (121), and telescopic rod
(123) using made of elastic material.
4. a kind of fixture fast replacement system according to claim 1, it is characterised in that: the moving assembly (22) includes
Mobile bar (221), daughter board through-hole (222)；The mobile bar (221) is located at the two sides of moving assembly (22), the daughter board through-hole
(222) it is located at moving assembly (22) two sides to correspond at mobile bar (221) position, mobile bar (221) passes through daughter board through-hole (222)
It is connect with pyramidal structure (3) two sides.
5. a kind of fixture fast replacement system according to claim 1, it is characterised in that: the disc spring part (5) includes bullet
Spring base (51), spring shim (52)；The spring lever (51) is located at the inside of ring structure (4), spring shim (52) position
In the surface of ring structure (4), spring shim (52) is vertical with spring lever (51) to be connect, and spring shim (52) is by butterfly gasket
It constitutes.
6. a kind of fixture fast replacement system according to claim 1, it is characterised in that: the conical rebate (32) is built-in
Have clamping piece (6), the clamping piece (6) includes supporting rod (61), clamping end (62)；The supporting rod (61) is located at cone tank
The inside of mouth (32), clamping end (62) are located at the top of supporting rod (61), and clamp end (62) and chucking surface folder
Hold connection.
7. a kind of fixture fast replacement system according to claim 1, it is characterised in that: on the outside of the fixture motherboard (1)
It is provided with handle (7), handle (7) two sides of the bottom are provided with screw thread projection (71), and the screw thread projection (71) and fixture are female
The groove that plate (1) surface corresponds to screw thread projection (71) is threadedly coupled.
8. a kind of fixture fast replacement system according to claim 1, it is characterised in that: fixture motherboard (1) bottom
It is provided with movable pulley (8), movable pulley (8) surface is provided with brake valve (81), the brake valve (81) and movable pulley (8) spiral shell
Line connection.
9. a kind of fixture fast replacement system according to claim 1, it is characterised in that: the fixture motherboard (1), fixture
Daughter board (2) inner wall is provided with shakeproof layer (9), is provided with a hollow layer between the shakeproof layer (9) and inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910115727.7A CN109676428A (en) | 2019-02-15 | 2019-02-15 | A kind of fixture fast replacement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910115727.7A CN109676428A (en) | 2019-02-15 | 2019-02-15 | A kind of fixture fast replacement system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109676428A true CN109676428A (en) | 2019-04-26 |
Family
ID=66195841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910115727.7A Pending CN109676428A (en) | 2019-02-15 | 2019-02-15 | A kind of fixture fast replacement system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109676428A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112025345A (en) * | 2020-06-12 | 2020-12-04 | 中国航发贵州红林航空动力控制科技有限公司 | Intelligent multilayer tray clamp and clamping method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010247290A (en) * | 2009-04-17 | 2010-11-04 | Seiko Epson Corp | Clamp device |
| CN207522131U (en) * | 2017-11-17 | 2018-06-22 | 扬州嵘泰工业发展有限公司 | Machining fixture quick replacement device |
| CN108381273A (en) * | 2018-04-28 | 2018-08-10 | 牧野机床（中国）有限公司 | A kind of handling equipment |
| CN109128937A (en) * | 2018-10-15 | 2019-01-04 | 上海交大智邦科技有限公司 | Realize the grip device of rapid automatized switching |
| CN209598804U (en) * | 2019-02-15 | 2019-11-08 | 上海卢宏精密机械有限公司 | A kind of fixture fast replacement system |
-
2019
- 2019-02-15 CN CN201910115727.7A patent/CN109676428A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010247290A (en) * | 2009-04-17 | 2010-11-04 | Seiko Epson Corp | Clamp device |
| CN207522131U (en) * | 2017-11-17 | 2018-06-22 | 扬州嵘泰工业发展有限公司 | Machining fixture quick replacement device |
| CN108381273A (en) * | 2018-04-28 | 2018-08-10 | 牧野机床（中国）有限公司 | A kind of handling equipment |
| CN109128937A (en) * | 2018-10-15 | 2019-01-04 | 上海交大智邦科技有限公司 | Realize the grip device of rapid automatized switching |
| CN209598804U (en) * | 2019-02-15 | 2019-11-08 | 上海卢宏精密机械有限公司 | A kind of fixture fast replacement system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112025345A (en) * | 2020-06-12 | 2020-12-04 | 中国航发贵州红林航空动力控制科技有限公司 | Intelligent multilayer tray clamp and clamping method |
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