CN112388355A - Milling machine fixture for milling fork opening plane of clutch joint fork - Google Patents
Milling machine fixture for milling fork opening plane of clutch joint fork Download PDFInfo
- Publication number
- CN112388355A CN112388355A CN202011247387.2A CN202011247387A CN112388355A CN 112388355 A CN112388355 A CN 112388355A CN 202011247387 A CN202011247387 A CN 202011247387A CN 112388355 A CN112388355 A CN 112388355A
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- fork
- plate
- milling
- clamp
- positioning mechanism
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- 238000003801 milling Methods 0.000 title claims abstract description 38
- 230000007246 mechanism Effects 0.000 claims abstract description 53
- 238000003825 pressing Methods 0.000 claims description 21
- 230000000694 effects Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000003754 machining Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 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
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Classifications
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- 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
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The invention provides a milling machine fixture for milling a fork opening plane of a clutch joint fork, which comprises a fixture body, a bottom fixing and positioning mechanism, a bottom movable positioning mechanism and two groups of symmetrically arranged fork body fixing mechanisms, wherein the fixture body is of a T-shaped structure consisting of a transverse plate and a vertical plate, the bottom fixing and positioning mechanism is fixed at the lower part of the vertical plate, the bottom movable positioning mechanism is arranged on the transverse plate, the two groups of fork body fixing mechanisms are symmetrically arranged at the upper part of the vertical plate, the cylindrical part of the clutch joint fork is positioned through the bottom fixing and positioning mechanism and the bottom movable positioning mechanism, and the two fork bodies of the clutch joint fork are clamped through the two fork body fixing mechanisms. The milling machine fixture for milling the fork opening plane of the clutch joint fork realizes complete positioning, has a novel structure, is convenient to assemble and disassemble, is firm to clamp, and ensures the stability of processing precision.
Description
Technical Field
The invention belongs to the technical field of machining, and particularly relates to a milling machine fixture for milling a fork opening plane of a clutch joint fork.
Background
The clutch joint fork belongs to a part with a complex shape (special shape), and is difficult to position and clamp when four planes of a fork opening are machined, so that an ordinary plane (or cylinder) clamp cannot realize accurate positioning and reliable clamping, a plurality of auxiliary tools or various included angles are often required to be used in a superposed mode, the clamping speed is greatly reduced, the structure of a clamping tool is complex, the machining cost is high, and the clamping tool suitable for the clutch joint fork is required to be designed.
Disclosure of Invention
In view of the above, the invention aims to provide a milling machine fixture for milling a fork opening plane of a clutch joint fork, which realizes complete positioning, is novel in structure, convenient to assemble and disassemble and firm in clamping, and ensures the stability of machining precision.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the milling machine fixture comprises a fixture body, a bottom fixed positioning mechanism, a bottom movable positioning mechanism and two symmetrically arranged fork body fixing mechanisms, wherein the fixture body is of a T-shaped structure consisting of a transverse plate and a vertical plate, the bottom fixed positioning mechanism is fixed at the lower part of the vertical plate, the bottom movable positioning mechanism is installed on the transverse plate, the two fork body fixing mechanisms are symmetrically arranged on the upper part of the vertical plate, the cylindrical part of the clutch joint fork is positioned through the bottom fixed positioning mechanism and the bottom movable positioning mechanism, and the two fork bodies of the clutch joint fork are clamped through the two fork body fixing mechanisms.
Further, the bottom fixing and positioning mechanism comprises a fixing V-shaped block, and the fixing V-shaped block is connected with the bottom of the vertical plate of the clamp body through an inner hexagonal screw and a cylindrical pin; the bottom movable positioning mechanism comprises a movable V-shaped block, a guide plate, a long screw, a support and a handle, wherein one end of the movable V-shaped block is provided with a V-shaped groove, the other end of the movable V-shaped block is provided with an arc groove for accommodating the head of the long screw, the tail of the long screw penetrates through the support fixed on the transverse plate and then is connected with the handle, the long screw is in threaded connection with the support, the long screw drives the movable V-shaped block to move towards or away from the direction of the fixed V-shaped block through the handle rotating long screw, the V-shaped grooves of the fixed V-shaped block and the movable V-shaped block are.
Furthermore, the two fork body fixing mechanisms are arranged on the outer side of a fork opening of the clutch joint fork, each fork body fixing mechanism comprises a sleeve, a pressing plate, a spring, a stud and a nut, the pressing plate is an L-shaped plate, the sleeve is positioned on the vertical plate through a cylindrical pin, a long section of the pressing plate is arranged in the sleeve, a short section of the pressing plate is arranged outside the sleeve, one end of the stud penetrates into the sleeve and is in threaded connection with the bottom of the sleeve after penetrating through the pressing plate, the other end of the stud is arranged outside the sleeve and is matched with the nut and limited by the nut, the spring, the nut and the pressing plate are sleeved on the stud part in the pressing plate, the nut and the pressing plate are rotated, and the short sections of the two pressing plates are tightly pressed on the two fork bodies.
Further, the clamp further comprises three support plates, wherein one support plate supports the end part of the cylindrical part of the clutch joint fork, and the other two support plates support two fork bodies of the clutch joint fork; two supporting plates for supporting the two fork bodies of the clutch joint fork are symmetrically and obliquely arranged on a vertical plate of the clamp body, the supporting plate for supporting the end part of the cylindrical part of the clutch joint fork is fixed on a transverse plate of the clamp body, and all the supporting plates are connected to corresponding positions of the clamp body through a plurality of hexagon socket head cap screws and cylindrical pins.
Furthermore, bottom fixed position mechanism still includes baffle and flat backing plate, the baffle is fixed on the flat backing plate, the flat backing plate is fixed on the diaphragm, sets up the open slot that holds movable V-arrangement piece in the baffle inside, the open slot leads when moving the V-arrangement piece to the activity.
Furthermore, the support is cylinder class structure, the support includes cylinder and lower cylinder, radially offer at last cylinder with long screw complex screw hole, cylinder and the specific diaphragm of anchor clamps round hole interference fit down.
Furthermore, round holes for accommodating sleeves are formed in the vertical plates of the clamp bodies, and each sleeve is in interference fit with the corresponding round hole and is positioned through a cylindrical pin.
Further, a shim is respectively arranged between the two obliquely arranged supporting plates and the vertical plate, between the other supporting plate and the transverse plate and between the support and the transverse plate.
Furthermore, two tool setting blocks are arranged on one side, opposite to the bottom fixing and positioning mechanism, of the vertical plate of the clamp body and are connected with the vertical plate of the clamp body through screws and cylindrical pins.
Furthermore, the transverse plate of the clamp body and the workbench are positioned through a positioning key and locked through a T-shaped bolt.
Compared with the prior art, the milling machine fixture for milling the fork opening plane of the clutch engaging fork has the following advantages:
this application is to the clamping instrument of four planar processing process designs of work piece fork mouth, and it is accurate to need to guarantee planar shape position during milling process, consequently needs to realize reasonable location.
The application has solved the turning attachment demand of this kind of clutch joint fork betterly, has realized fixing a position completely, novel structure, and loading and unloading are convenient, and it is firm to press from both sides tightly, has guaranteed the stability of machining precision, has also satisfied mass production rate's needs.
The invention relates to a clamping tool designed aiming at four plane processing procedures of a workpiece fork opening, and the shape and position of a plane need to be ensured to be accurate during milling, so that reasonable positioning needs to be realized.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a perspective view of a clutch yoke to be machined;
FIG. 2 is a process diagram of a clutch yoke to be machined;
FIG. 3 is a schematic perspective view of a milling jig for milling the jaw plane of a clutch engagement fork according to an embodiment of the present invention;
FIG. 4 is a perspective cutaway view of a mill clamp for milling the jaw plane of a clutch engagement fork according to an embodiment of the present invention;
FIG. 5 is an exploded view of a mill clamp for milling the jaw plane of a clutch engagement fork according to an embodiment of the present invention;
FIG. 6 is a front view of a mill clamp for milling the jaw plane of a clutch engagement fork according to an embodiment of the present invention;
fig. 7 is a sectional view taken along line a-a of fig. 6.
Description of reference numerals:
1-clutch joint fork, 2-bearing plate, 3-fixed V-shaped block, 4-movable V-shaped block, 5-guide plate, 6-flat backing plate, 7-long screw, 8-support, 9-handle, 10-V-shaped groove, 11-clamp body, 12-press plate, 13-sleeve, 14-nut, 15-stud, 16-spring, 17-thin gasket, 18-arc groove, 19-transverse plate, 20-vertical plate, 21-open slot, 22-feeler block and 23-positioning key.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1-2, which are schematic structural views of a clutch engaging fork to be machined, the clamp is used for milling four fork opening planes of the clutch engaging fork.
As shown in fig. 3-7, a milling machine fixture for milling a fork opening plane of a clutch engaging fork comprises a fixture body 11, a bottom fixed positioning mechanism, a bottom movable positioning mechanism and two sets of symmetrically arranged fork body fixing mechanisms, wherein the fixture body is a T-shaped structure composed of a transverse plate 19 and a vertical plate 20, the bottom fixed positioning mechanism is fixed at the lower part of the vertical plate 20, the bottom movable positioning mechanism is installed on the transverse plate 19, the two sets of fork body fixing mechanisms are symmetrically arranged at the upper part of the vertical plate 20, the cylindrical part of the clutch engaging fork 1 is positioned through the bottom fixed positioning mechanism and the bottom movable positioning mechanism, and the two fork bodies of the clutch engaging fork 1 are clamped through the two fork body fixing mechanisms.
The bottom fixing and positioning mechanism comprises a fixing V-shaped block 3, and the fixing V-shaped block 3 is connected with the bottom of the vertical plate of the clamp body 11 through an inner hexagonal screw and a cylindrical pin; the bottom movable positioning mechanism comprises a movable V-shaped block 4, a guide plate 5, a long screw 7, a support 8 and a handle 9, one end of the movable V-shaped block 4 is provided with a V-shaped groove 10, the other end of the movable V-shaped block is provided with an arc groove 18 for accommodating the head of the long screw 7, the tail of the long screw 7 penetrates through the support 8 fixed on a transverse plate 19 and then is connected with the handle 9, the long screw 7 is in threaded connection with the support 8, the long screw 7 rotates through the handle 9, the long screw 7 drives the movable V-shaped block 4 to move towards or away from the direction of the fixed V-shaped block 3, and the fixed V-shaped block 3 and the V-shaped groove 10 of the movable V-shaped block 4 are.
The two fork body fixing mechanisms are arranged on the outer side of a fork opening of the clutch joint fork 1 and comprise a sleeve 13, a pressing plate 12, a spring 16, a stud 15 and a nut 14, the pressing plate 12 is an L-shaped plate, the sleeve 13 is positioned on a vertical plate 20 through a cylindrical pin, a long section of the pressing plate 12 is arranged in the sleeve 13, a short section of the pressing plate 12 is arranged outside the sleeve 13, one end of the stud 15 penetrates into the sleeve 13 and is in threaded connection with the bottom of the sleeve 13 after penetrating through the pressing plate 12, the other end of the stud 15 is arranged outside the sleeve 13 and is matched with the nut 14 and limited by the nut 14, the spring 16 is sleeved on the stud part in the pressing plate 12, the nut 14 is rotated, the nut 14 compresses the pressing plate 12, and the short sections of the two pressing plates 12 are compressed on the top surfaces of the two fork bodies of the clutch joint fork 1.
The clamp further comprises three support plates 2, one of which supports the end of the cylindrical portion of the clutch engagement fork 1, and the other two of which support the bottom surfaces of the two fork bodies of the clutch engagement fork 1; two supporting plates for supporting two fork bodies of the clutch joint fork 1 are symmetrically and obliquely arranged on a vertical plate 20 of the clamp body 11, the supporting plate for supporting the end part of the cylindrical part of the clutch joint fork 1 is fixed on a horizontal plate 19 of the clamp body 11, all the supporting plates are connected to corresponding positions of the clamp body through a plurality of socket head cap screws and cylindrical pins, and the supporting plates are arranged, so that the clutch joint fork 1 is accurately positioned, and a good foundation is provided for clamping.
The bottom fixing and positioning mechanism further comprises a guide plate 5 and a flat base plate 6, the guide plate 5 is fixed on the flat base plate 6, the flat base plate 6 is fixed on the transverse plate 19, an open groove 21 for containing the movable V-shaped block 4 is formed in the guide plate 5, and the open groove 21 guides the movable V-shaped block when moving, so that the clamp has a good clamping effect on the cylindrical part of the clutch joint fork 1.
The support 8 is the cylinder class structure, the support 8 includes cylinder and lower cylinder, radially offers at last cylinder with long screw 7 complex screw hole, cylinder and the circular hole interference fit on the diaphragm 19 of the anchor clamps body 11 down.
Round holes for accommodating the sleeves 13 are formed in the vertical plates 20 of the fixture body 11, and each sleeve 13 is in interference fit with the corresponding round hole and is positioned through a cylindrical pin.
Between the two supporting plates and the vertical plate 20, and between the other supporting plate and the horizontal plate 19, and between the support 8 and the horizontal plate 19, a shim 17 is respectively arranged to facilitate adjustment of the tightness of the connection between the two members.
Two tool setting blocks 22 are arranged on one side, opposite to the bottom fixed positioning mechanism, of the vertical plate 12 of the clamp body 11, and the tool setting blocks 22 are connected with the vertical plate 12 of the clamp body through screws and cylindrical pins and used for tool setting during milling.
The transverse plate 19 of the clamp body and the workbench are positioned through the positioning key 23 and locked through the T-shaped bolt, so that the positioning is accurate and the connection is firm.
The positioning scheme of the application is that the end plane (finished) of the cylindrical part of the clutch engagement fork limits 3 degrees of freedom, the central line of the outer cylindrical surface (unprocessed) of the cylindrical part limits 2 degrees of freedom, and the bottom plane of the fork body limits 1 degree of freedom in rotation in positioning; the clamping scheme is that the V-shaped block combination compresses the outer cylindrical surface of the cylindrical part of the clutch combining fork, and the pressure plate presses downwards (top plane) near the head of the fork body.
The working process of the clamp is as follows: firstly, the bottom end face of a cylindrical part of a clutch joint fork 1 is firstly contacted with a positioned support plate 2 fixed on a transverse plate, then, the cylindrical surface of the cylindrical part is contacted with a fixed V-shaped block 3 for positioning, a handle 9 is rotated to enable a movable V-shaped block 4 to be close to the cylindrical surface of the clutch joint fork 1 and to be slightly compressed, a workpiece is slightly rotated to enable the bottom surfaces of two forks to be contacted with the other two positioned support plates 2, the thickness of a thin gasket can be adjusted through the operation of a bench worker during the installation of a clamp, the bottom surfaces of the two forks of the workpiece are well attached to the support plates 2, then, a nut 14 is rotated to drive a pressure plate 12 to compress the top surfaces of the two forks, and finally, a wrench 9 is rotated to enable the movable V-shaped block 4 to be more tightly pressed against; the milling cutter is adjusted in height and width by the setting block 23 and is ready for machining after adjustment.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A milling machine fixture for milling a jaw plane of a clutch engagement fork is characterized in that: the clamping device comprises a clamp body (11), a bottom fixed positioning mechanism, a bottom movable positioning mechanism and two groups of symmetrically-arranged fork body fixing mechanisms, wherein the clamp body is a T-shaped structure consisting of a transverse plate (19) and a vertical plate (20), the bottom fixed positioning mechanism is fixed on the lower part of the vertical plate (20), the bottom movable positioning mechanism is installed on the transverse plate (19), the two groups of fork body fixing mechanisms are symmetrically arranged on the upper part of the vertical plate (20), the cylindrical part of a clutch joint fork (1) is positioned through the bottom fixed positioning mechanism and the bottom movable positioning mechanism, and the two fork bodies of the clutch joint fork (1) are clamped through the two fork body fixing mechanisms.
2. A mill clamp for milling the jaw plane of a clutch engagement fork according to claim 1, wherein: the bottom fixing and positioning mechanism comprises a fixing V-shaped block (3), and the fixing V-shaped block (3) is connected with the bottom of a vertical plate of the clamp body (11) through an inner hexagonal screw and a cylindrical pin; the bottom movable positioning mechanism comprises a movable V-shaped block (4), a guide plate (5), a long screw (7), a support (8) and a handle (9), wherein a V-shaped groove (10) is formed in one end of the movable V-shaped block (4), an arc groove (18) for accommodating the head of the long screw (7) is formed in the other end of the movable V-shaped block (4), the tail of the long screw (7) penetrates through the support (8) fixed on a transverse plate (19) and then is connected with the handle (9), the long screw (7) is in threaded connection with the support (8), the long screw (7) rotates through the handle (9), the movable V-shaped block (4) is driven by the long screw (7) to move towards or away from the direction of the fixed V-shaped block (3), and the V-shaped grooves (10) of the fixed V-shaped block (3) and the movable V-shaped block (4) are.
3. A mill clamp for milling the jaw plane of a clutch engagement fork according to claim 1, wherein: the two fork body fixing mechanisms are arranged outside a fork opening of the clutch joint fork (1), the fork body fixing mechanisms comprise sleeves (13), pressure plates (12), springs (16), studs (15) and nuts (14), the pressing plate (12) is an L-shaped plate, the sleeve (13) is positioned on the vertical plate (20) through a cylindrical pin, the long section of the pressing plate (12) is arranged in the sleeve (13), the short section of the pressing plate (12) is arranged outside the sleeve (13), one end of the stud (15) penetrates into the sleeve (13) and is in threaded connection with the bottom of the sleeve (13) after penetrating through the pressing plate (12), the other end of the stud (15) is arranged outside the sleeve (13) and is matched with the nut (14) and limited by the nut (14), a spring (16) is sleeved on a stud part in the pressure plate (12), the nut (14) is rotated, the pressure plate (12) is pressed by the nut (14), and the short sections of the two pressure plates (12) are pressed on the two fork bodies of the clutch joint fork (1).
4. A mill clamp for milling the jaw plane of a clutch engagement fork according to claim 2, wherein: the clamp further comprises three support plates (2), wherein one support plate supports the end of the cylindrical part of the clutch engagement fork (1), and the other two support plates support two fork bodies of the clutch engagement fork (1); two supporting plates for supporting two fork bodies of the clutch engaging fork (1) are symmetrically and obliquely arranged on a vertical plate (20) of the clamp body (11), the supporting plates for supporting the end part of the cylindrical part of the clutch engaging fork (1) are fixed on a transverse plate (19) of the clamp body (11), and all the supporting plates are connected to corresponding positions of the clamp body through a plurality of hexagon socket head cap screws and cylindrical pins.
5. A mill clamp for milling the jaw plane of a clutch engagement fork according to claim 4, wherein: bottom fixed position mechanism still includes baffle (5) and flat backing plate (6), baffle (5) are fixed on flat backing plate (6), flat backing plate (6) are fixed on diaphragm (19), and open slot (21) that hold activity V-arrangement piece (4) are seted up to inside at baffle (5), direction when open slot (21) remove activity V-arrangement piece.
6. A mill clamp for milling the jaw plane of a clutch engagement fork according to claim 1, wherein: the support (8) is of a cylindrical structure, the support (8) comprises an upper cylinder and a lower cylinder, a threaded hole matched with the long screw (7) is formed in the radial direction of the upper cylinder, and the lower cylinder is in interference fit with a round hole in a transverse plate (19) of the clamp body (11).
7. A mill clamp for milling the jaw plane of a clutch engagement fork according to claim 1, wherein: round holes for accommodating the sleeves (13) are formed in vertical plates (20) of the clamp bodies (11), and each sleeve (13) is in interference fit with the corresponding round hole and is positioned through a cylindrical pin.
8. A mill clamp for milling the jaw plane of a clutch engagement fork according to claim 4, wherein: a shim (17) is arranged between two bearing plates arranged obliquely and the vertical plate (20), between the other bearing plate and the transverse plate (19) and between the support (8) and the transverse plate (19).
9. A mill clamp for milling the jaw plane of a clutch engagement fork according to any one of claims 1 to 8, wherein: two tool setting blocks (22) are arranged on one side, opposite to the bottom fixing and positioning mechanism, of the vertical plate (12) of the clamp body (11), and the tool setting blocks (22) are connected with the vertical plate (12) of the clamp body through screws and cylindrical pins.
10. A mill clamp for milling the jaw plane of a clutch engagement fork according to claim 9, wherein: the transverse plate (19) of the clamp body is positioned with the workbench through a positioning key (23) and locked through a T-shaped bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011247387.2A CN112388355A (en) | 2020-11-10 | 2020-11-10 | Milling machine fixture for milling fork opening plane of clutch joint fork |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011247387.2A CN112388355A (en) | 2020-11-10 | 2020-11-10 | Milling machine fixture for milling fork opening plane of clutch joint fork |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112388355A true CN112388355A (en) | 2021-02-23 |
Family
ID=74600985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011247387.2A Withdrawn CN112388355A (en) | 2020-11-10 | 2020-11-10 | Milling machine fixture for milling fork opening plane of clutch joint fork |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112388355A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114211279A (en) * | 2022-01-20 | 2022-03-22 | 安徽凯宇机械制造有限公司 | Combined tooling for efficient automatic support and compression |
-
2020
- 2020-11-10 CN CN202011247387.2A patent/CN112388355A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114211279A (en) * | 2022-01-20 | 2022-03-22 | 安徽凯宇机械制造有限公司 | Combined tooling for efficient automatic support and compression |
| CN114211279B (en) * | 2022-01-20 | 2024-03-08 | 安徽凯宇机械制造有限公司 | High-efficient automatic support and combination frock that compresses tightly |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20210223 |