CN218925881U - Edge punching machine - Google Patents
Edge punching machine Download PDFInfo
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- CN218925881U CN218925881U CN202222490408.4U CN202222490408U CN218925881U CN 218925881 U CN218925881 U CN 218925881U CN 202222490408 U CN202222490408 U CN 202222490408U CN 218925881 U CN218925881 U CN 218925881U
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- trimming
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- lower cylinder
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- automobile engine
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model discloses a trimming machine, which comprises a frame, a bearing bracket, a middle trimming pressing device, a left trimming device and a right trimming device, wherein the middle trimming pressing device is arranged on the frame; the bearing seat is arranged on the frame and used for bearing and mounting a blank of a lower cylinder body of the automobile engine; the middle trimming pressing device is arranged on the frame; the left trimming device is arranged on the frame. When the automobile engine lower cylinder block blank pressing device is used, firstly, the automobile engine lower cylinder block blank is pressed on the bearing seat through the middle punching edge pressing device, waste materials carried by middle hole sites of the automobile engine lower cylinder block blank are removed, then, the waste materials carried by the left side edge and the right side edge of the automobile engine lower cylinder block blank are respectively removed through the left punching edge device and the right punching edge device, and the waste materials are prevented from being manually knocked and removed, so that the automobile engine lower cylinder block blank carrying waste materials such as slag bags, casting water gaps and the like can be effectively and rapidly removed, the automobile engine lower cylinder block blank pressing device is suitable for batch production, labor intensity of workers is reduced, and production efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of trimming equipment, in particular to a trimming machine.
Background
As the degree of industrial automation increases, the demand for die-cast workpieces increases gradually. The lower aluminum alloy cylinder body of the automobile engine is one of die-casting workpieces, and because the lower aluminum alloy cylinder body blank just subjected to die casting carries a large amount of scrap such as flash, slag ladle and pouring gate (casting water gap), the scraps such as the casting water gap, flash and slag ladle are required to be removed from the lower aluminum alloy cylinder body blank just subjected to die casting, however, the scrap is removed by manual beating in the traditional process, so that the scrap is longer in time and high in working strength.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide an edge punching machine which can effectively and rapidly remove slag ladle, casting water gap and other waste materials carried on a lower cylinder body blank of an automobile engine, is suitable for batch production, reduces the labor intensity of workers and improves the production efficiency.
The utility model adopts the following technical scheme:
an edge trimming machine comprising:
a frame;
the bearing bracket is arranged on the frame and used for bearing and mounting a blank of a lower cylinder body of the automobile engine;
the middle trimming pressing device is arranged on the rack and is used for pressing the lower cylinder block blank of the automobile engine on the bearing seat and removing waste carried by a middle hole site of the lower cylinder block blank of the automobile engine;
the left side trimming device is arranged on the rack and is used for removing waste materials carried by the left side edge of the lower cylinder block blank of the automobile engine, which is tightly pressed on the bearing bracket;
the right side punching device is arranged on the frame and is used for removing waste materials carried by the right side edge of the lower cylinder block blank of the automobile engine, which is tightly pressed on the bearing seat.
Further, the middle trimming compacting device comprises a middle trimming compacting seat and a middle driving device, wherein the middle driving device is arranged on the frame and is in driving connection with the middle trimming compacting seat, and the middle driving device is used for driving the middle trimming compacting seat to compact the lower cylinder body blank of the automobile engine on the bearing seat and simultaneously removing waste carried by a middle hole site of the lower cylinder body blank of the automobile engine.
Further, the middle trimming compressing seat comprises a connecting body and a plurality of trimming compressing blocks, the connecting body is in driving connection with the middle driving device, each trimming compressing block corresponds to the middle hole position of the lower cylinder body blank of the automobile engine one by one and is matched with the middle hole position, and the trimming compressing blocks are arranged on one surface of the connecting body, which faces the bearing seat.
Further, the middle trimming compacting device further comprises a middle guiding device movably arranged on the frame, the middle guiding device is in driving connection with the middle trimming compacting seat, and the moving direction of the middle guiding device is the same as the moving direction of the middle driving device driving the middle trimming compacting seat.
Further, the left side punching device comprises a left side punching seat and a left side driving device, wherein the left side driving device is arranged on the frame and is in driving connection with the left side punching seat, and the left side driving device is used for driving the left side punching seat to remove waste materials carried by the left side edge of a lower cylinder body blank of the automobile engine.
Further, the left trimming device further comprises a left guiding device movably arranged on the frame, the left guiding device is in driving connection with the left trimming seat, and the moving direction of the left guiding device is the same as the moving direction of the left trimming seat driven by the left driving device.
Further, the right side punching device comprises a right side punching seat and a right driving device, wherein the right driving device is arranged on the frame and is in driving connection with the right side punching seat, and the right driving device is used for driving the left side punching seat to remove waste materials carried by the right side edge of a lower cylinder body blank of the automobile engine.
Further, the right trimming device further comprises a right guiding device movably arranged on the frame, the right guiding device is in driving connection with the right trimming seat, and the moving direction of the right guiding device is the same as the moving direction of the right trimming seat driven by the right driving device.
Further, the trimming machine further comprises a detection unit arranged on the frame and used for detecting whether a workpiece is mounted on the bearing seat or not.
Further, a flange piece for preventing waste from splashing is further arranged on the frame.
Compared with the prior art, the utility model has the beneficial effects that:
when the trimming press is used, the lower cylinder body blank of the automobile engine is pressed on the bearing seat through the middle trimming pressing device, waste materials carried by middle hole sites of the lower cylinder body blank of the automobile engine are removed, then the waste materials carried by the edges of the left side and the right side of the lower cylinder body blank of the automobile engine are removed through the left trimming pressing device and the right trimming pressing device respectively, and the waste materials are prevented from being manually knocked and removed, so that the trimming press can effectively and rapidly remove slag bags, casting water gaps and other waste materials carried by the lower cylinder body blank of the automobile engine, is suitable for batch production, reduces the labor intensity of workers, and improves the production efficiency.
Drawings
FIG. 1 is a schematic diagram of an edge trimming machine according to the present utility model;
FIG. 2 is a schematic view of another angle structure of the edge trimming machine of the present utility model;
FIG. 3 is a schematic view of a structure of a support bracket according to an embodiment of the present utility model;
FIG. 4 is a schematic view of a middle trimming press device according to an embodiment of the present utility model;
FIG. 5 is a schematic view of a left trimming device according to an embodiment of the present utility model;
fig. 6 is a schematic structural view of a right trimming device according to an embodiment of the present utility model.
In the figure: 10. a frame; 20. a support bracket; 201. a bearing body; 2011. a support part; 2012. a positioning part; 30. a middle trimming pressing device; 301. a middle driving device; 302. a middle trimming compacting seat; 3021. a connection body; 3022. punching a side pressing block; 303. a middle mounting seat; 304. a middle guide rod; 40. a left trimming device; 401. a left driving device; 402. a left side punching seat; 403. a left mounting seat; 404. a left guide bar; 50. a right trimming device; 501. a right driving device; 502. a right side punching seat; 503. a right mounting base; 504. a right guide bar; 60. an infrared sensor; 70. a flange member; 80. an electric control box; 90. and a hydraulic station.
Detailed Description
The present utility model will be described with priority in the following description with reference to the drawings and the specific embodiments, and it should be noted that, on the premise of no conflict, new embodiments may be formed by any combination of the embodiments or technical features described below.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "horizontal," "vertical," "top," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; either directly, indirectly, through intermediaries, or in communication with each other. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Embodiments are described below:
referring to fig. 1-6, the present utility model shows a trimming machine, which includes a frame 10, a support base 20, a middle trimming press device 30, a left trimming device 40 and a right trimming device 50. The bearing seat 20 is arranged on the frame 10 and is used for bearing and mounting a lower cylinder block blank (an aluminum alloy lower cylinder block blank of the automobile engine); the middle trimming pressing device 30 is arranged on the frame 10 and is used for pressing the lower cylinder block blank of the automobile engine on the bearing seat 20 and removing waste carried by a middle hole site of the lower cylinder block blank of the automobile engine; the left trimming device 40 is arranged on the frame 10 and is used for removing waste materials carried by the left side edge of the lower cylinder block blank of the automobile engine pressed on the bearing seat 20; the right trimming device 50 is disposed on the frame 10 for removing the waste material carried by the right edge of the lower cylinder block blank of the automobile engine pressed on the support base 20. Therefore, when the trimming press is used, the lower cylinder block blank of the automobile engine is pressed on the bearing seat 20 through the middle trimming pressing device 30, waste materials carried by the middle hole site of the lower cylinder block blank of the automobile engine are removed, then the waste materials carried by the left side edge and the right side edge of the lower cylinder block blank of the automobile engine are removed through the left trimming device 40 and the right trimming device 50 respectively, and the waste materials are prevented from being manually knocked and removed, so that the slag ladle, the casting water gap and other waste materials carried by the lower cylinder block blank of the automobile engine can be effectively and rapidly removed, the trimming press is suitable for batch production, the labor intensity of workers is reduced, and the production efficiency is improved.
In this embodiment, the middle trimming press device 30 includes a middle trimming press seat 302 and a middle driving device 301, where the middle driving device 301 is disposed on the frame 10 and is in driving connection with the middle trimming press seat 302, and the middle driving device 301 is fixed on the frame 10 through a middle mounting seat 303, so that the middle driving device 301 is connected with the frame 10. The middle driving device 301 is used for driving the middle trimming pressing seat 302 to press the lower cylinder block blank of the automobile engine on the bearing seat 20 and simultaneously removing the waste carried by the middle hole site of the lower cylinder block blank of the automobile engine. Specifically, the bearing seat 20 includes a bearing body 201, a positioning portion 2012 and a bearing portion 2011 are disposed on the bearing body 201, the bearing portion 2011 is disposed at a bottom end portion of the bearing body 201, the positioning portion 2012 is disposed on a plane of the bearing body 201 facing the middle trimming press device 30, the bottom of the lower cylinder of the automobile engine is supported by the bearing portion 2011, the lower cylinder of the automobile engine is positioned on the bearing body 201 by the positioning portion 2012, and based on this, the middle trimming press seat 302 is driven by the middle driving device 301 to move towards the direction of the bearing body 201, so that the blank of the lower cylinder of the automobile engine is pressed on the bearing seat 20.
In this embodiment, the middle trimming pressing seat 302 includes a connection body 3021 and a plurality of trimming pressing blocks 3022, the connection body 3021 is in driving connection with the middle driving device 301, each trimming pressing block 3022 is in one-to-one correspondence with and adapted to the middle hole position of the lower cylinder blank of the automobile engine, and the trimming pressing blocks 3022 are disposed on one surface of the connection body 3021 facing the bearing seat 20. That is, it can be understood that the middle driving device 301 drives the connecting body 3021 to drive the trimming pressing blocks 3022 to move towards the direction of the supporting body 201, so that each trimming pressing block 3022 is inserted into each hole in the middle of the lower cylinder block blank of the automobile engine, and the purpose of removing the waste carried by the middle hole of the lower cylinder block blank of the automobile engine while the middle trimming pressing seat 302 presses the lower cylinder block blank of the automobile engine on the supporting seat 20 can be achieved.
In this embodiment, the middle driving device 301 is an oil cylinder, which is defined as a first oil cylinder, that is, the telescopic end of the first oil cylinder is in driving connection with the end surface of the connecting body 3021 opposite to the trimming pressing block 3022.
Of course, in other embodiments, the middle driving device 301 may be an electric push rod or a linear driving motor, which is not limited herein, and therefore, it should be within the scope of the present utility model for those skilled in the art to reasonably alter the structure of the middle driving device 301.
In this embodiment, the middle trimming press device 30 further includes a middle guide device movably disposed on the frame 10, and the middle guide device is in driving connection with the middle trimming press seat 302, that is, the middle guide device is in driving connection with the end surface of the connecting body 3021 opposite to the trimming press block 3022. Of course, the moving direction of the middle guide device is the same as the moving direction of the middle trimming pressing seat 302 driven by the middle driving device 301. It is specifically understood that the middle guiding device includes two middle guiding rods 304 that are oppositely disposed, and the two middle guiding rods 304 are movably disposed on the middle mounting seat 303 through the bearing seat, that is, the two middle guiding rods 304 are all disposed through the middle mounting seat 303 and are all disposed parallel to the telescopic end of the first oil cylinder. One of the two middle guide rods 304 is located at one side of the middle driving device 301, and the other of the two middle guide rods 304 is located at the other side of the middle driving device 301, so that the stability of the connecting body 3021 in the moving process can be further improved, that is, the stability of the middle trimming pressing seat 302 is further improved.
In this embodiment, the left trimming device 40 includes a left trimming seat 402 and a left driving device 401, where the left driving device 401 is disposed on the frame 10 and is in driving connection with the left trimming seat 402, and the left driving device 401 is fixed on the frame 10 through a left mounting seat 403, so that the left driving device 401 is connected with the frame 10. The left driving device 401 is used for driving the left trimming seat 402 to remove the waste carried by the left side edge of the lower cylinder block blank of the automobile engine. That is, it can be understood that the output end of the left driving device 401 is in driving connection with the left trimming seat 402, and the left driving device 401 drives the left trimming seat 402 to move towards the bearing bracket 20, so that the waste materials carried by the left side edge of the lower cylinder block blank of the automobile engine pressed on the bearing body 201 can be trimmed.
In this embodiment, the left driving device 401 is an oil cylinder, and the oil cylinder is defined as a second oil cylinder, that is, the telescopic end of the second oil cylinder is in driving connection with the left trimming seat 402.
Of course, in other embodiments, the left driving device 401 may be an electric push rod or a linear driving motor, which is not limited herein, and therefore, it should be within the scope of the present utility model for a person skilled in the art to reasonably alter the structure of the left driving device 401.
In this embodiment, the left trimming device 40 further includes a left guiding device movably disposed on the frame 10, the left guiding device is in driving connection with the left trimming seat 402, and the moving direction of the left guiding device is the same as the moving direction of the left trimming seat 402 driven by the left driving device 401. It is specifically understood that the left guiding device includes two oppositely disposed left guiding rods 404, where the two left guiding rods 404 are movably disposed on the left mounting seat 403 through a bearing seat, that is, the two left guiding rods 404 are all disposed through the left mounting seat 403 and are all disposed parallel to the telescopic end of the second cylinder. One of the two left guide rods 404 is located at one side of the left driving device 401, and the other of the two left guide rods 404 is located at the other side of the left driving device 401, so that the stability of the left trimming seat 402 in the moving process can be further improved.
In this embodiment, the right trimming device 50 includes a right trimming seat 502 and a right driving device 501, wherein the right driving device 501 is disposed on the frame 10 and is in driving connection with the right trimming seat 502, and the right driving device 501 is fixed on the frame 10 through a right mounting seat 503, so that the right driving device 501 is connected with the frame 10. The right driving device 501 is used for driving the left trimming seat 402 to remove the waste carried by the right edge of the lower cylinder block blank of the automobile engine. It will be appreciated that the output end of the right driving device 501 is in driving connection with the right trimming seat 502, and the right driving device 501 drives the right trimming seat 502 to move towards the bearing bracket 20, so that the waste material carried by the right edge of the lower cylinder block blank of the automobile engine pressed on the bearing body 201 can be flushed.
In this embodiment, the right driving device 501 is an oil cylinder, and the oil cylinder is defined as a third oil cylinder, that is, the telescopic end of the third oil cylinder is in driving connection with the right trimming seat 502.
Of course, in other embodiments, the right driving device 501 may be an electric push rod or a linear driving motor, which is not limited herein, and therefore, it should be understood by those skilled in the art that it is within the scope of the present utility model to reasonably change the structure of the right driving device 501.
In this embodiment, the right trimming device 50 further includes a right guiding device movably disposed on the frame 10, the right guiding device is in driving connection with the right trimming seat 502, and the moving direction of the right guiding device is the same as the direction in which the right driving device 501 drives the right trimming seat 502 to move. Specifically, the right guiding device includes two right guiding rods 504 that are oppositely disposed, where the two right guiding rods 504 are movably disposed on the right mounting seat 503 through a bearing seat, that is, the two right guiding rods 504 are all disposed through the right mounting seat 503 and are all disposed parallel to the telescopic end of the third cylinder. One of the two right guide rods 504 is located at one side of the right driving device 501, and the other of the two right guide rods 504 is located at the other side of the right driving device 501, so that the stability of the right trimming seat 502 during moving can be further improved.
Of course, in the present embodiment, a hydraulic station 90 is further provided on the frame 10, and the hydraulic station 90 supplies hydraulic oil to the first, second, and third cylinders described above.
In this embodiment, the frame 10 is further provided with a flange 70 for preventing waste from splashing, and the flange 70 is disposed around the outer periphery of the support base 20, so that the middle trimming press device 30, the left trimming device 40 and the right trimming device 50 prevent waste from splashing during the process of removing waste.
In this embodiment, the trimming machine of the present utility model further includes a detecting unit and an electric cabinet 80 disposed on the frame 10, for detecting whether a workpiece is mounted on the support base 20. The detection unit is an infrared sensor 60, the infrared sensor 60 can feed back the detection result to the electric cabinet 80, the electric cabinet 80 controls the middle trimming pressing device 30 to work according to the signal fed back by the infrared sensor 60, and after the middle trimming pressing device 30 presses the lower cylinder blank of the automobile engine on the bearing seat 20 without removing the waste carried by the middle hole site of the lower cylinder blank of the automobile engine, the left trimming device 40 and the right trimming device 50 are controlled to work simultaneously to trim the waste carried by the edges of the left side and the right side of the lower cylinder blank of the automobile engine.
Of course, in other embodiments, it will be understood by those skilled in the art that after the middle trimming press device 30 presses the lower cylinder block blank of the automobile engine on the support base 20 and removes the waste carried by the middle hole site of the lower cylinder block blank of the automobile engine, the left trimming press device 40 may be driven to trim the waste carried by the left edge of the lower cylinder block blank of the automobile engine, and then the right trimming press device 50 may be driven to trim the waste carried by the right edge of the lower cylinder block blank of the automobile engine; alternatively, after the middle trimming pressing device 30 presses the lower cylinder block blank of the automobile engine on the supporting seat 20 and removes the waste carried by the middle hole site of the lower cylinder block blank of the automobile engine, the right trimming device 50 may be driven to trim the waste carried by the right edge of the lower cylinder block blank of the automobile engine, and the left trimming device 40 may be driven to trim the waste carried by the left edge of the lower cylinder block blank of the automobile engine, which is not limited herein.
The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.
Claims (10)
1. An edge trimming machine, comprising:
a frame (10);
the bearing bracket (20) is arranged on the frame (10) and is used for bearing and mounting a lower cylinder block blank of the automobile engine;
the middle trimming pressing device (30) is arranged on the frame (10) and is used for pressing the lower cylinder block blank of the automobile engine on the bearing bracket (20) and removing waste carried by a middle hole site of the lower cylinder block blank of the automobile engine;
the left trimming device (40) is arranged on the frame (10) and is used for removing waste materials carried by the left side edge of the lower cylinder block blank of the automobile engine, which is tightly pressed on the bearing bracket (20);
the right trimming device (50) is arranged on the frame (10) and is used for removing waste materials carried by the right side edge of the lower cylinder block blank of the automobile engine, which is tightly pressed on the bearing bracket (20).
2. A trimming press according to claim 1, wherein the middle trimming press device (30) comprises a middle trimming press seat (302) and a middle driving device (301), the middle driving device (301) is arranged on the frame (10) and is in driving connection with the middle trimming press seat (302), and the middle driving device (301) is used for driving the middle trimming press seat (302) to press the lower cylinder blank of the automobile engine on the bearing bracket (20) and removing waste carried by a middle hole site of the lower cylinder blank of the automobile engine.
3. The trimming press as claimed in claim 2, wherein the middle trimming press seat (302) comprises a connecting body (3021) and a plurality of trimming press blocks (3022), the connecting body (3021) is in driving connection with the middle driving device (301), each trimming press block (3022) is in one-to-one correspondence with and is adapted to a middle hole site of a lower cylinder block blank of the automobile engine, and the trimming press blocks (3022) are arranged on one surface of the connecting body (3021) facing the bearing seat (20).
4. A trimming press according to claim 2, wherein the central trimming press (30) further comprises a central guide means movably arranged on the frame (10), the central guide means is in driving connection with the central trimming press seat (302), and the movement direction of the central guide means is the same as the movement direction of the central driving means (301) for driving the central trimming press seat (302).
5. A trimming press as claimed in claim 1, wherein the left trimming device (40) comprises a left trimming seat (402) and a left driving device (401), the left driving device (401) being arranged on the frame (10) and being in driving connection with the left trimming seat (402), the left driving device (401) being adapted to drive the left trimming seat (402) to remove waste material carried by the left edge of the lower cylinder block blank of the motor vehicle engine.
6. A trimming press as claimed in claim 5, wherein the left trimming device (40) further comprises a left guiding device movably arranged on the frame (10), the left guiding device is in driving connection with the left trimming seat (402), and the moving direction of the left guiding device is the same as the moving direction of the left trimming seat (402) driven by the left driving device (401).
7. A trimming press as claimed in claim 5, wherein the right trimming means (50) comprises a right trimming seat (502) and a right driving means (501), said right driving means (501) being arranged on the frame (10) and being in driving connection with the right trimming seat (502), said right driving means (501) being adapted to drive the left trimming seat (402) to remove waste material carried by the right edge of the lower cylinder block blank of the motor vehicle engine.
8. A trimming press as claimed in claim 7, wherein the right trimming means (50) further comprises a right guide means movably provided on the frame (10), the right guide means being drivingly connected to the right trimming seat (502) and the direction of movement of the right guide means being the same as the direction in which the right driving means (501) drives the movement of the right trimming seat (502).
9. A trimming machine according to claim 1, further comprising a detection unit provided on the frame (10) for detecting whether a workpiece is mounted on the support bracket (20).
10. A trimming machine according to claim 1, wherein the frame (10) is further provided with a trimming member for preventing the waste material from splashing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222490408.4U CN218925881U (en) | 2022-09-20 | 2022-09-20 | Edge punching machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222490408.4U CN218925881U (en) | 2022-09-20 | 2022-09-20 | Edge punching machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218925881U true CN218925881U (en) | 2023-04-28 |
Family
ID=86061894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222490408.4U Active CN218925881U (en) | 2022-09-20 | 2022-09-20 | Edge punching machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218925881U (en) |
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2022
- 2022-09-20 CN CN202222490408.4U patent/CN218925881U/en active Active
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