CN215392292U - Centre gripping stable structure - Google Patents
Centre gripping stable structure Download PDFInfo
- Publication number
- CN215392292U CN215392292U CN202121865451.3U CN202121865451U CN215392292U CN 215392292 U CN215392292 U CN 215392292U CN 202121865451 U CN202121865451 U CN 202121865451U CN 215392292 U CN215392292 U CN 215392292U
- Authority
- CN
- China
- Prior art keywords
- clamping
- mounting plate
- oil cylinder
- cylinder
- adjusting mechanism
- 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.)
- Expired - Fee Related
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 78
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 14
- 210000000080 chela (arthropods) Anatomy 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 11
- 125000003003 spiro group Chemical group 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims 2
- 230000002146 bilateral effect Effects 0.000 claims 1
- 210000000078 claw Anatomy 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 7
- 239000006096 absorbing agent Substances 0.000 abstract description 4
- 230000035939 shock Effects 0.000 abstract description 4
- 238000010273 cold forging Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 238000000465 moulding Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- 238000000641 cold extrusion Methods 0.000 description 3
- 238000005242 forging Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
Images
Landscapes
- Forging (AREA)
Abstract
The utility model discloses a clamping stabilizing structure, which belongs to the technical field of accessories of a shock absorber sleeve forming machine and comprises a clamping mechanism, a pneumatic mechanical claw, a first forming assembly, a base and a second forming assembly, wherein the clamping mechanism is arranged at the central line of the base, the clamping mechanism is fixed with the pneumatic mechanical claw in a threaded manner, the first forming assembly and the second forming assembly are symmetrically arranged on two sides of the clamping mechanism, and the first forming assembly and the second forming assembly are positioned below the pneumatic mechanical claw. When the blank processing device is used, firstly, the pneumatic mechanical claw grabs blank workpieces, the clamping mechanism moves downwards to fix the blanks on the stations, then the first forming assembly and the second forming assembly process the blanks on the three stations from two sides simultaneously, after the last procedure is completed, the clamping mechanism is released, and the pneumatic mechanical claw grabs all the workpieces simultaneously and transfers to the next procedure.
Description
Technical Field
The embodiment of the utility model relates to the technical field of accessories of a shock absorber sleeve forming machine, in particular to a clamping stable structure.
Background
Forging without heating the blank is conventionally referred to as cold forging in production. The cold forging has the advantages of good surface quality and high dimensional precision, and the cold forging can strengthen the metal, thereby improving the strength of the part. Therefore, the forming process for machining the shock absorber sleeve in our party also adopts a cold forging mode, but the process method is obtained by using super-cooling extrusion, and when a blank workpiece is machined, a large acting force can be generated on the surface, so that a mechanism capable of stably clamping the blank is needed, and the next machining process of the workpiece cannot be hindered, and therefore, a new technical scheme is provided for technicians in our party to achieve the purposes of stabilizing the position of the workpiece and improving the forging precision.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides a clamping stable structure to solve the problem of blank displacement caused by blank cold extrusion stress in the prior art.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:
the utility model discloses a clamping stabilizing structure which comprises a clamping mechanism, a pneumatic mechanical claw, a first forming assembly, a base and a second forming assembly, wherein the clamping mechanism is arranged at the central line of the base, the clamping mechanism is fixedly connected with the pneumatic mechanical claw in a threaded manner, the first forming assembly and the second forming assembly are symmetrically arranged on two sides of the clamping mechanism, and the first forming assembly and the second forming assembly are positioned below the pneumatic mechanical claw.
Furthermore, the clamping mechanism comprises a top plate, oil cylinder clamping pincers, stand columns and fixing seats, wherein the four stand columns are arranged at the upper end of the base, the top plate is arranged at the upper ends of the four stand columns, the three oil cylinder clamping pincers are continuously arranged on the top plate, and the three oil cylinder clamping pincers are aligned to the three fixing seats.
Further, the oil cylinder clamping pincers comprise a pressing oil cylinder, guide rods, a mounting plate and a pincers body, wherein three pressing oil cylinders are uniformly arranged at the upper end of the top plate, piston rods of the pressing oil cylinders are connected with the mounting plate, the two guide rods are vertically arranged at the upper end of the mounting plate, and the lower end of the mounting plate is fixed with the pincers body in a threaded manner.
Furthermore, first shaping subassembly includes first mounting panel, first thrust cylinder, second thrust cylinder, first screw thread adjustment mechanism and first guide holder, the base upper end is fixed with first mounting panel spiro union, first mounting panel fixed mounting has first thrust cylinder, second thrust cylinder and first screw thread adjustment mechanism in proper order, first thrust cylinder is connected with reaming drift transmission, second thrust cylinder is connected with turn-ups drift transmission, first thrust cylinder, second thrust cylinder and first screw thread adjustment mechanism all slide and set up on first guide holder.
Further, the second molding assembly comprises a second guide seat, a third thrust cylinder, a second thread adjusting mechanism, a third thread adjusting mechanism and a second mounting plate, the first mounting plate is parallel to the second mounting plate, the second mounting plate is provided with the third thrust cylinder, the second thread adjusting mechanism and the third thread adjusting mechanism in sequence, the third thrust cylinder, the second thread adjusting mechanism and the third thread adjusting mechanism are arranged on the second guide seat in a sliding mode, and the third thrust cylinder is in transmission connection with the reducing punch.
Furthermore, the first thread adjusting mechanism comprises a stop block, a sliding block body, a stud and a thread disc, the thread disc is fixedly screwed in the first mounting plate, the thread disc is internally connected with the stud in a threaded manner, the end part of the stud is connected with the sliding block body, the stop block is fixedly screwed on the sliding block body, and the sliding block body is arranged on the first guide seat in a sliding manner.
Further, the second thrust cylinder includes shaping hydro-cylinder and mount pad, the spiro union is fixed with the shaping hydro-cylinder on the first mounting panel, the shaping hydro-cylinder is connected with the mount pad transmission, the mount pad slides and sets up on first guide holder.
Furthermore, the first propulsion oil cylinder, the second propulsion oil cylinder and the third propulsion oil cylinder are identical in structure, and the first thread adjusting mechanism, the second thread adjusting mechanism and the third thread adjusting mechanism are identical in structure.
The embodiment of the utility model has the following advantages:
according to the utility model, the blank position is fixed through the pressing oil cylinder, the blank is regulated and limited through the first thread regulating mechanism, the second thread regulating mechanism and the third thread regulating mechanism, the cold forging plastic deformation of two ends of a blank pipe fitting is completed by pushing the punch through the first pushing oil cylinder, the second pushing oil cylinder and the third pushing oil cylinder, and therefore, the blank on three stations can be processed, so that the workpiece forming efficiency is obviously improved, and the problem of blank displacement caused by blank cold extrusion stress in the prior art is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is a front view of a clamping stabilization construct provided by the present invention;
FIG. 2 is a perspective view of a second thrust cylinder of the clamping stabilization mechanism of the present invention;
FIG. 3 is a perspective view of a first threaded adjustment mechanism of a clamping stabilization mechanism according to the present invention;
FIG. 4 is a perspective view of a second molding assembly of the present invention;
FIG. 5 is a perspective view of a first forming assembly of a clamping and stabilizing structure according to the present invention;
FIG. 6 is a perspective view of a clamping mechanism for holding a stable structure according to the present invention;
in the figure: 1, a clamping mechanism; 11 a top plate; 12 oil cylinder clamping pincers; 121 compressing the oil cylinder; 122 a guide rod; 123 mounting plates; 124 a clamp body; 13 upright posts; 14, fixing a base; 2, a pneumatic mechanical claw; 3, a first molding assembly; 31 a first mounting plate; 32 a first propulsion cylinder; 33 a second propulsion cylinder; 331 a forming oil cylinder; 332 a mounting seat; 34 a first threaded adjustment mechanism; 341 stop block; 342 a slider body; 343 a stud; 344 threaded discs; 4, a base; 5 a second molding member; 51 a second guide seat; 52 a third thrust cylinder; 53 a second threaded adjustment mechanism; 54 a third threaded adjustment mechanism; 55 second mounting plate.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the utility model will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the utility model and that it is not intended to limit the utility model to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a clamping and stabilizing structure, which comprises a clamping mechanism 1, a pneumatic gripper 2, a first forming component 3, a base 4 and a second forming component 5, wherein the clamping mechanism 1 is arranged at the center line of the base 4 for stabilizing the position of a blank. The clamping mechanism 1 is fixed with the pneumatic mechanical claw 2 in a threaded connection mode, the first forming assembly 3 and the second forming assembly 5 are symmetrically arranged on two sides of the clamping mechanism 1, the pneumatic mechanical claw 2 is used for moving a work station of a blank, the blank is finally formed through necessary working procedures, and in the forming process, the first forming assembly 3 and the second forming assembly 5 are needed to be arranged at two ends of the blank, and a workpiece is formed through a cold forging process. The first forming assembly 3 and the second forming assembly 5 are located below the pneumatic gripper 2, thereby avoiding obstructing the pneumatic gripper 2 from gripping the workpiece.
According to a specific embodiment provided by the present invention, the clamping mechanism 1 includes a top plate 11, oil cylinder clamping pincers 12, upright posts 13 and a fixing seat 14, the upper end of the base 4 is provided with four upright posts 13, and the upper ends of the four upright posts 13 are provided with the top plate 11, so that the top plate 11 can be fixed on the top end of the fixing seat 14, thereby leaving an installation space for the oil cylinder clamping pincers 12. The top plate 11 is continuously provided with three oil cylinder clamping pincers 12, the three oil cylinder clamping pincers 12 are aligned with the three fixing seats 14, the three oil cylinder clamping pincers 12 move synchronously, and the position of a blank can be fixed simultaneously, so that three processes can be realized in the equipment simultaneously, and the processing efficiency of the equipment is improved.
According to an embodiment of the present invention, the cylinder clamp 12 includes a pressing cylinder 121, a guide rod 122, a mounting plate 123 and a clamp body 124, three pressing cylinders 121 are uniformly arranged at the upper end of the top plate 11, and the three pressing cylinders 121 operate synchronously. And simultaneously, the piston rods of the three compression oil cylinders 121 are connected with the mounting plate 123, two guide rods 122 are vertically arranged at the upper end of the mounting plate 123, and the guide rods 122 are inserted into the top plate 11, so that a guide effect is achieved, and the abrasion condition of the compression oil cylinders 121 can be reduced. The lower end of the mounting plate 123 is fixed with the clamp body 124 in a threaded manner. The lower end of the clamp body 124 is provided with a limiting groove which is matched with the fixing seat 14 to realize the effect of fixing the blank.
According to an embodiment of the present invention, the first forming assembly 3 includes a first mounting plate 31, a first thrust cylinder 32, a second thrust cylinder 33, a first screw thread adjusting mechanism 34 and a first guide seat 35, and the upper end of the base 4 is screwed and fixed with the first mounting plate 31, so that the first thrust cylinder 32, the second thrust cylinder 33 and the first screw thread adjusting mechanism 34 are horizontally disposed. First mounting panel 31 is fixed mounting in proper order has first propulsion cylinder 32, second propulsion cylinder 33 and a screw thread adjustment mechanism 34, first propulsion cylinder 32 is connected with reaming drift transmission, second propulsion cylinder 33 is connected with turn-ups drift transmission, can promote the drift through the hydro-cylinder from this and remove to realize the effect of blank cold forging. The first propulsion oil cylinder 32, the second propulsion oil cylinder 33 and the first thread adjusting mechanism 34 are arranged on the dovetail groove of the first guide seat 35 in a sliding mode, and therefore the effect of reducing abrasion of the oil cylinders is achieved.
According to a specific embodiment of the present invention, the second molding assembly 5 includes a second guide seat 51, a third thrust cylinder 52, a second thread adjusting mechanism 53, a third thread adjusting mechanism 54 and a second mounting plate 55, the first mounting plate 31 and the second mounting plate 55 are arranged in parallel, the second mounting plate 55 is sequentially provided with the third thrust cylinder 52, the second thread adjusting mechanism 53 and the third thread adjusting mechanism 54, the third thrust cylinder 52, the second thread adjusting mechanism 53 and the third thread adjusting mechanism 54 are slidably arranged on the second guide seat 51, and the third thrust cylinder 52 is in transmission connection with the reducing punch. The second forming assembly 5 has the same function as the first forming assembly 3, the diameter reducing punch is pushed by the oil cylinder, so that the plastic deformation effect is realized at the other end of the blank, and the relative first thread adjusting mechanism 34, the second thread adjusting mechanism 53 and the third thread adjusting mechanism 54 have the same structure and are matched and adjusted through three parts so as to adapt to the blank with the same length and size.
According to a specific embodiment of the present invention, the first screw adjustment mechanism 34 includes a stop 341, a slider 342, a stud 343 and a threaded disc 344, the threaded disc 344 is screwed into the first mounting plate 31, and the threaded disc 344 is screwed into the stud 343 to form a screw pair. The end of the stud 343 is connected with the slider body 342, so that the slider body 342 is pushed to move through the stud 343, the block 341 is fixed on the slider body 342 in a threaded manner, the slider body 342 is slidably arranged on the first guide seat 35, and the block 341 mainly plays a limiting role, so that the problem of axial displacement of the blank during cold forging of the blank is solved.
According to an embodiment of the present invention, the second thrust cylinder 33 includes a forming cylinder 331 and a mounting base 332, the forming cylinder 331 is screwed and fixed on the first mounting plate 31, the forming cylinder 331 is in transmission connection with the mounting base 332, the mounting base 332 is slidably disposed on the first guide base 35, the first thrust cylinder 32, the second thrust cylinder 33 and the third thrust cylinder 52 have the same structure, and the first screw thread adjusting mechanism 34, the second screw thread adjusting mechanism 53 and the third screw thread adjusting mechanism 54 have the same structure. Therefore, under the condition of stabilizing the position of the blank, the screw thread adjusting mechanism is used for limiting, the pushing oil cylinder is used for processing, the blank can be rapidly cold-forged and formed, and the size precision and the surface quality of the workpiece are improved.
The application process of the embodiment of the utility model is as follows:
the utility model provides a clamping stable structure, which is mainly applied to a shock absorber casing forging machine, when the structure is used specifically, firstly, blank pieces are sequentially moved to a working position through a pneumatic mechanical claw 2, then a pressing oil cylinder 121 drives an oil cylinder clamping clamp 12 to move downwards to fix the blank in a groove on a fixed seat 14, the blank positioned on different working steps is respectively abutted against a first thread adjusting mechanism 34, a second thread adjusting mechanism 53 and a third thread adjusting mechanism 54, and finally, a first pushing oil cylinder 32, a second pushing oil cylinder 33 and a third pushing oil cylinder 52 drive a punch to perform cold forging on the end part of the blank, so that the blank is finally formed.
The utility model has firm structure and obvious effect, can play a role in positioning a workpiece in the machining process, thereby improving the surface quality and the dimensional precision of the workpiece and solving the problem of blank displacement caused by blank cold extrusion stress in the prior art.
Although the utility model has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the utility model. Accordingly, such modifications and improvements are intended to be within the scope of the utility model as claimed.
Claims (8)
1. The utility model provides a centre gripping stable structure, its characterized in that includes clamping mechanism (1), pneumatic gripper (2), first forming component (3), base (4) and second forming component (5), base (4) central line department is provided with clamping mechanism (1), clamping mechanism (1) and pneumatic gripper (2) spiro union are fixed just clamping mechanism (1) bilateral symmetry is provided with first forming component (3) and second forming component (5), first forming component (3) and second forming component (5) are located pneumatic gripper (2) below.
2. The clamping stabilizing structure as claimed in claim 1, wherein the clamping mechanism (1) comprises a top plate (11), oil cylinder clamping pincers (12), upright posts (13) and fixing seats (14), four upright posts (13) are arranged at the upper end of the base (4), the top plate (11) is arranged at the upper ends of the four upright posts (13), three oil cylinder clamping pincers (12) are continuously arranged on the top plate (11), and the three oil cylinder clamping pincers (12) are aligned with the three fixing seats (14).
3. The clamping stabilizing structure as claimed in claim 2, wherein the oil cylinder clamping pincers (12) comprise a pressing oil cylinder (121), guide rods (122), a mounting plate (123) and a pincers body (124), three pressing oil cylinders (121) are uniformly arranged at the upper end of the top plate (11), piston rods of the three pressing oil cylinders (121) are connected with the mounting plate (123), two guide rods (122) are vertically arranged at the upper end of the mounting plate (123), and the lower end of the mounting plate (123) is fixed with the pincers body (124) in a threaded manner.
4. The clamping stabilizing structure is characterized in that the first forming assembly (3) comprises a first mounting plate (31), a first propulsion oil cylinder (32), a second propulsion oil cylinder (33), a first thread adjusting mechanism (34) and a first guide seat (35), the upper end of the base (4) is fixed with the first mounting plate (31) in a threaded mode, the first mounting plate (31) is sequentially and fixedly provided with the first propulsion oil cylinder (32), the second propulsion oil cylinder (33) and the first thread adjusting mechanism (34), the first propulsion oil cylinder (32) is in transmission connection with the reaming punch, the second propulsion oil cylinder (33) is in transmission connection with the flanging punch, and the first propulsion oil cylinder (32), the second propulsion oil cylinder (33) and the first thread adjusting mechanism (34) are arranged on the first guide seat (35) in a sliding mode.
5. A holding and stabilizing structure as claimed in claim 4, wherein the second forming assembly (5) comprises a second guide seat (51), a third thrust cylinder (52), a second thread adjusting mechanism (53), a third thread adjusting mechanism (54) and a second mounting plate (55), the first mounting plate (31) and the second mounting plate (55) are arranged in parallel, the second mounting plate (55) is provided with the third thrust cylinder (52), the second thread adjusting mechanism (53) and the third thread adjusting mechanism (54) in sequence, the third thrust cylinder (52), the second thread adjusting mechanism (53) and the third thread adjusting mechanism (54) are slidably arranged on the second guide seat (51), and the third thrust cylinder (52) is in transmission connection with the reducing punch.
6. A clamping stabilizing structure as claimed in claim 4, characterized in that said first screw thread adjusting mechanism (34) comprises a stop block (341), a slider body (342), a stud (343) and a screw disc (344), said screw disc (344) is screwed and fixed in said first mounting plate (31), said screw disc (344) is screwed and connected with said stud (343), the end of said stud (343) is connected with said slider body (342), said stop block (341) is screwed and fixed on said slider body (342), said slider body (342) is slidably arranged on said first guiding seat (35).
7. A clamping stabilizing structure according to claim 5, wherein the second thrust cylinder (33) comprises a forming cylinder (331) and a mounting seat (332), the forming cylinder (331) is fixed on the first mounting plate (31) in a threaded manner, the forming cylinder (331) is in transmission connection with the mounting seat (332), and the mounting seat (332) is slidably arranged on the first guide seat (35).
8. A grip stabilizing arrangement according to claim 7, wherein said first (32), second (33) and third (52) thrust cylinders are of identical construction, and said one (34), second (53) and third (54) threaded adjustment mechanisms are of identical construction.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121865451.3U CN215392292U (en) | 2021-08-11 | 2021-08-11 | Centre gripping stable structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121865451.3U CN215392292U (en) | 2021-08-11 | 2021-08-11 | Centre gripping stable structure |
Publications (1)
Publication Number | Publication Date |
---|---|
CN215392292U true CN215392292U (en) | 2022-01-04 |
Family
ID=79659631
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202121865451.3U Expired - Fee Related CN215392292U (en) | 2021-08-11 | 2021-08-11 | Centre gripping stable structure |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN215392292U (en) |
-
2021
- 2021-08-11 CN CN202121865451.3U patent/CN215392292U/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN210059424U (en) | Bending mechanism for processing motorcycle handlebar | |
CN209566027U (en) | A kind of guiding screw both end fixed clamping device | |
WO2017113411A1 (en) | Expanding transfer punching machine for usb metal housing | |
CN108818067A (en) | A kind of multi-station clamp for small parts processing | |
CN209812347U (en) | Grabbing mechanism capable of quickly adjusting positions of clamping jaws | |
CN215392292U (en) | Centre gripping stable structure | |
CN111496022A (en) | Small-sized metal component continuous bending device and implementation method | |
CN110560524A (en) | Multi-radius pipe bender | |
CN214722284U (en) | Clamp for reprocessing aluminum extruded shell of industrial camera | |
CN209021066U (en) | A kind of stamping die | |
CN114227324A (en) | Wrapped type tool clamp for special-shaped parts and using method | |
CN220463604U (en) | Sealing die machining clamp | |
CN208811597U (en) | A kind of disk part by performing clamps and positioning device | |
CN208681034U (en) | A kind of multi-station clamp for small parts processing | |
CN218364340U (en) | Clamp | |
CN215942199U (en) | Numerical control processing special fixture | |
CN215316691U (en) | Movable frame welding jig | |
CN214781982U (en) | Transmission screw rod of quenching machine tool | |
CN219275152U (en) | Multistation processing tool convenient to dismantle | |
CN215965990U (en) | Plastic deformation device for shock absorber sleeve | |
CN203665226U (en) | Precision machining equipment with variable holding force for thin-wall parts | |
CN219005983U (en) | New energy automobile battery case material loading positioner | |
CN220782863U (en) | Press for bearing machining | |
CN212144859U (en) | Pneumatic duplex position tapping frock | |
CN220592875U (en) | Vertical machining hydraulic multi-station clamp for corner connecting piece workpiece |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220104 |