CN116000182A - Punching equipment with automatic polishing function - Google Patents

Punching equipment with automatic polishing function Download PDF

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Publication number
CN116000182A
CN116000182A CN202310058088.1A CN202310058088A CN116000182A CN 116000182 A CN116000182 A CN 116000182A CN 202310058088 A CN202310058088 A CN 202310058088A CN 116000182 A CN116000182 A CN 116000182A
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China
Prior art keywords
motor
upper die
punching
die
output end
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Pending
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CN202310058088.1A
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Chinese (zh)
Inventor
王波
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Individual
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Individual
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Priority to CN202310058088.1A priority Critical patent/CN116000182A/en
Publication of CN116000182A publication Critical patent/CN116000182A/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse 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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  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

The invention discloses punching equipment with an automatic polishing function, which relates to the technical field of punching equipment and comprises a supporting frame, wherein a lower push rod is arranged on the lower surface of the upper end of the supporting frame, a fifth motor is arranged on the lower surface of the lower push rod, a first lifting rod is arranged at the output end of the fifth motor, a first fixed plate is arranged at the bottom of the first lifting rod, a first upper die and a second upper die are respectively arranged at two sides of the bottom of the first fixed plate, a plurality of stamping knives are respectively arranged at the bottoms of the first upper die and the second upper die, a lower die is arranged above the bottom of the supporting frame, the fifth motor drives the first fixed plate to rotate for 180 degrees, so that the first upper die is positioned above the lower die, the first lifting rod drives the first fixed plate to ascend, the first fixed plate is sunk into a groove, the subsequent punching work is waited, and the time waste caused by the dismounting of the stamping knives is realized.

Description

Punching equipment with automatic polishing function
Technical Field
The invention relates to the technical field of punching equipment, in particular to punching equipment with an automatic polishing function.
Background
At present, with the development of society, the production is generally carried out by using a die in the production process of each industry, because the die has high working efficiency and convenient operation, the die is one of the important means for improving the product quality and market competitiveness, the die is increasingly stressed by each industry and each industrial department, especially, the punching die used in the production engineering of the outer shell of an electronic product has increasingly greater requirements, and the consumption of materials can be reduced, and the production efficiency of the product can also be improved, so that the contact gap between the female die of the punching die and the punching blade can be adjusted to be extremely small in the prior art, thereby reducing the generation of burrs, and the punching blade is continuously worn to gradually increase the burrs of the punched product in the continuous production punching process, therefore, the punching blade needs to be polished regularly, the sharpness of the punching blade is ensured, and the generation of the burrs is reduced, but the punching process needs to be suspended when the punching blade is polished, so that the time is wasted.
Disclosure of Invention
The invention aims to provide punching equipment with an automatic polishing function, so as to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a punching equipment with automatic function of polishing, includes the support frame, support frame upper end lower surface mounting has the push down rod, push down rod lower surface mounting has the fifth motor, first lifter is installed to the output of fifth motor, first fixed plate is installed to the bottom of first lifter, first mould and second are gone up the mould respectively to the both sides of first fixed plate bottom, a plurality of punching press sword are all installed to first mould and second go up the mould bottom, the bed die is installed to support frame bottom top.
The invention further discloses that at least one group of second lifting rods are arranged on four sides of the lower push rod, and telescopic rods are arranged on one sides of the output ends of the second lifting rods.
The invention further discloses that a first motor is arranged above the bottom of the support frame, a second fixed block is arranged at the output end of the first motor, and the lower die is arranged on the second fixed block.
The invention further discloses that a third fixing plate is arranged below the second fixing block, a second gear is arranged on the third fixing plate, a third motor is arranged below the second fixing block, a first gear is arranged at the output end of the third motor, the first gear is meshed with the second gear, at least one group of fourth motors are arranged around the lower part of the third fixing plate, brush rolling shafts are arranged at the output ends of at least one group of fourth motors, and brushes are arranged on the brush rolling shafts.
According to the invention, the brush roller is provided with the through holes, the through holes are communicated with the pipeline, the other end of the pipeline is provided with the first pump body, the pipeline is provided with the storage box, and the storage box is communicated with the storage box pipeline.
The invention further discloses a detection box which is communicated with the pipeline, a white board is arranged on the lower surface of the inner part of the detection box, a photographing assembly is arranged on the upper surface of the inner part of the detection box, and the photographing assembly is positioned above the white board.
The invention further discloses that the lifting table is arranged on the upper surface below the supporting frame, the second motor is arranged above the lifting table, and the polishing block is arranged at the output end of the second motor.
The invention further discloses a using method of the punching equipment with the automatic polishing function, which comprises the following steps: firstly, placing a product on a lower die, and punching the product by using a second upper die;
step two, lifting the punched product by the telescopic rod, and simultaneously driving the second fixed block to rotate by the first motor so that the deburring component faces to the lower part of the product;
the third step, the third motor drives the third fixed plate to rotate, and the fourth motor drives the brush roller to rotate, so that the bottom of the product is polished and deburred;
fourth, the first pump body sucks the ground dust into the storage box through the through hole to collect, and meanwhile, the photographing assembly photographs the dust to detect the dust amount when the dust passes through the white board, so that the burr amount is determined, and the sharpness of the punching cutter on the second upper die is judged;
fifthly, if the dust amount exceeds the upper limit value of the preset dust amount, controlling a fifth motor to drive a first fixing plate to rotate, enabling the first fixing plate to drive a first upper die and a second upper die to rotate, and switching positions, wherein the first upper die starts to work at the moment;
and sixthly, the second motor drives the polishing block to polish the stamping knife on the second upper die.
Compared with the prior art, the invention has the following beneficial effects: according to the invention, the white board and the photographing assembly are adopted, when dust enters the detection box, and passes through the white board, the photographing assembly photographs the white board in real time and sends a photographed picture to the main control box, the main control box shields the white board to form a shadow part according to the dust during photographing, and the abrasion degree of the punching cutter is automatically monitored by judging the quantity of the dust according to the shadow area;
and if the amount of dust is higher than the upper limit value of the amount of preset dust, the fifth motor drives the first fixing plate to rotate 180 degrees, so that the first upper die is positioned above the lower die, at the moment, the first lifting rod drives the first fixing plate to lift, the lifted first fixing plate falls into the groove, the next punching work is waited, automatic switching of the punching cutter is realized, and the time waste caused by disassembling the punching cutter is saved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic overall view of the present invention;
FIG. 2 is an enlarged schematic view of zone A of the present invention;
FIG. 3 is a schematic bottom view of the present invention;
FIG. 4 is a schematic view of the telescopic rod position of the present invention;
FIG. 5 is a schematic cross-sectional view of a base of the present invention;
fig. 6 is a schematic view of the deburring assembly of the present invention;
FIG. 7 is a schematic diagram of the detection assembly of the present invention;
in the figure: 1. a support frame; 2. a base; 3. a master control box; 4. a push rod is downwards pushed; 5. a first upper die; 6. a second upper die; 7. a first lifting rod; 8. a first fixing plate; 9. punching a cutter; 10. a second lifting rod; 11. a first motor; 12. a second fixed block; 13. a lower die; 14. a lifting table; 15. a second motor; 16. polishing the block; 17. a deburring assembly; 18. a groove; 19. a guide rod; 20. a third fixing plate; 21. a third motor; 22. a first gear; 23. a second gear; 24. a detection assembly; 25. a first pump body; 26. a fourth motor; 27. a brush roller; 28. a brush; 29. a through hole; 30. a telescopic rod; 31. a storage box; 32. a whiteboard; 33. a photographing component; 34. a fifth motor; 35. a detection box; 36. a pipeline.
Detailed Description
The technical scheme of the present invention is further described in non-limiting detail below with reference to the preferred embodiments and the accompanying drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-2, the present invention provides the following technical solutions: a punching device with an automatic polishing function comprises a supporting frame 1; the support frame 1 is last fixed mounting has total accuse case 3, total accuse case 3 is used for receiving, handling and send the signal, support frame 1 bottom top fixed mounting has base 2, base 2 is hollow structure, the equal fixed mounting in both sides of base 2 has guide arm 19, sliding connection has first motor 11 on the guide arm 19, guide arm 19 is used for playing direction and supporting role to first motor 11, the output fixed mounting of first motor 11 has second fixed block 12, first motor 11 is used for driving second fixed block 12 and rotates, second fixed block 12 top threaded connection has bed die 13, second fixed block 12 is used for fixed support bed die 13.
Referring to fig. 1 and 3, a lower push rod 4 is slidably connected below the top of the support frame 1 and is used for supplying a lower pushing force, a semicircular groove 18 is formed in one side of the lower push rod 4, a fifth motor 34 is fixedly installed on one side of the lower push rod 4, the fifth motor 34 is located inside the groove 18, a first lifting rod 7 is fixedly installed at the output end of the fifth motor 34, a first fixing plate 8 is fixedly installed at the bottom of the first lifting rod 7, the first fixing plate 8 is circular, the outer diameter of the first fixing plate 8 is smaller than the inner diameter of the groove 18, the thickness of the first fixing plate 8 is equal to the depth of the groove 18, the first fixing plate 8 is sunk into the groove 18, the lower surface of the first fixing plate 8 is enabled to be flush with the lower surface of the lower push rod 4, a first upper die 5 and a second upper die 6 are fixedly installed on one side of the first fixing plate 8, a plurality of stamping knives 9 are fixedly installed on the first upper die 5 and the second upper die 6, the first upper die 5 and the second upper die 6 are located on two sides of the first fixing plate 8 respectively, one upper die is located right above the lower die 13, the first upper die 5 and the second upper die 6 are conveniently aligned with the first upper die 6, and the second upper die 6 are conveniently aligned to the first die and the upper die 13 and the second upper die are located right next to the upper die 6.
Referring to fig. 3-4, at least one group of second lifting rods 10 are fixedly installed on four walls of the lower push rod 4, one sides, close to the lower push rod 4, of the output ends of the second lifting rods 10 are slidably connected with telescopic rods 30, the upper surfaces of the front ends of the output ends of the telescopic rods 30 are set to be oblique angles, the oblique angles are used for conveniently extending into products, the telescopic rods 30 are used for clamping the punched products and taking the punched products away from the lower die 13, follow-up work is facilitated, the sizes of the first upper die 5 and the second upper die 6 are identical, the length and the width of the first upper die 5 and the lower surface of the lower push rod 4 are identical, and the telescopic rods 30 can clamp the products conveniently.
Referring to fig. 5-6, the deburring assembly 17 is mounted at the lower end of the second fixing block 12, the deburring assembly 17 includes a third fixing plate 20, the upper end of the third fixing plate 20 is connected with the lower surface of the second fixing block 12 through a bearing, a third motor 21 is fixedly mounted on the lower surface of the second fixing block 12, a first gear 22 is fixedly mounted on the output end of the third motor 21, a second gear 23 is fixedly mounted above the third fixing plate 20, the second gear 23 is meshed with the first gear 22, the third motor 21 is used for driving the third fixing plate 20 to rotate, a fourth motor 26 is fixedly mounted around the lower surface of the third fixing plate 20, a brush roller 27 is fixedly mounted at the output end of the fourth motor 26, the brush roller 27 is of a hollow structure, and a plurality of brushes 28 are mounted on the outer surface of the brush roller 27 and are used for deburring punched products.
Referring to fig. 6-7, a plurality of through holes 29 are formed in the brush roller 27, the other end of the brush roller 27 is connected with a pipeline 36, the through holes 29 are connected with the pipeline 36, the pipeline 36 is located on the central shaft of the third fixing plate 20, a detecting component 24 is mounted in the second fixing block 12, the detecting component 24 comprises a detecting box 35, one side of the bottom of the detecting box 35 is connected with the other end of the pipeline 36, the other side of the detecting box 35 is connected with a first pump body 25 for sucking dust polished by the brush roller 27 into the detecting box 35 through the through holes 29, a white board 32 is fixedly mounted between the pipeline 36 and the connecting position of the first pump body 25 on the inner surface of the bottom of the detecting box 35 for conveniently checking the quantity of dust, a photographing component 33 is fixedly mounted above the white board 32 for photographing dust passing through the white board 32 and transmitting the picture to the main control box 3, and the main control box 3 is convenient for monitoring the sharpness of the punching knife 9.
Referring to fig. 7, a storage box 31 is installed between the first pump body 25 and the detection box 35, and is used for filtering and temporarily storing dust, preventing the dust from floating in the air to cause air pollution, and collecting the dust by using air suction, so that the dust floating can be reduced, the suction of workers is reduced, and the physical injury to the workers is avoided.
Referring to fig. 1, a lifting table 14 is installed on one side of the base 2, a second motor 15 is installed above the lifting table 14, a polishing block 16 is installed at an output end of the second motor 15, and the lifting table 14 is located below the first fixing plate 8 and is used for polishing the worn stamping knife 9.
The first motor 11, the second motor 15 are controlled by a servo system, the first motor 11, the second motor 15, the push rod 4, the first lifting rod 7, the second lifting rod 10, the lifting table 14, the third motor 21, the first pump body 25, the fourth motor 26, the telescopic rod 30, the photographing assembly 33 and the fifth motor 34 are all in signal connection with the main control box 3, and the main control box 3 is externally connected with a power supply.
Working principle: before the punching process starts, the first upper die 5 and the second upper die 6 are both arranged below the first fixing plate 8, the lower die 13 is arranged on the second fixing block 12, and bottom views of the first upper die 5 and the punching cutter 9 are input on the main control box 3 and used for conveniently polishing the punching cutter 9 according to the bottom views in the later stage, and meanwhile, the upper limit value of the dust quantity is preset on the main control box 3, when the subsequent burrs are increased conveniently, the positions of the first upper die 5 and the second upper die 6 are switched, the thickness of a punched product is input on the main control box 3, and the second lifting rod 10 is conveniently controlled to clamp the punched product.
Clicking the switch of the master control box 3, placing the product to be punched on the lower die 13, controlling the lower push rod 4 to drive the first fixing plate 8 to press downwards by the master control box 3, enabling the first fixing plate 8 to drive the second upper die 6 to punch the product on the lower die 13, at least one group of second lifting rods 10 extend downwards when punching is finished, enabling the extending end of the telescopic rod 30 to extend into the lower portion of the product, simultaneously lifting the lower push rod 4 upwards, enabling the telescopic rod 30 to lift the product after the punching is finished, at the moment, enabling the first motor 11 to move upwards, enabling the output end of the first motor 11 to drive the second fixing block 12 to rotate 180 degrees, enabling the deburring assembly 17 to face upwards to be used for punching the product after the punching is finished, enabling the fourth motor 26 to be started simultaneously with the third motor 21, enabling the hairbrush 28 to polish and deburr the bottom of the product, solving the problem that a plurality of processes of polishing are carried out after the punching is finished simultaneously, automatic polishing after the punching is finished, enabling the burrs to be lifted, and reducing labor cost and time cost.
When the deburring is polished, the first pump body 25 is opened simultaneously, dust during deburring is sucked into the detection box 35 through the through hole 29, when the dust enters the detection box 35, when the dust passes through the white board 32, the photographing component 33 photographs the white board 32 in real time, and sends the photographed picture to the master control box 3, the master control box 3 shields the white board 32 to form a shadow part according to the dust during photographing, the amount of the dust is judged through the shadow area, if the amount of the dust is higher than the upper limit value of the preset dust amount, the master control box 3 and the like are polished and taken out, the first lifting rod 7 is controlled to be opened, the first lifting rod 7 pushes down the first fixed plate 8, the first fixed plate 8 is enabled to leave the groove 18, the fifth motor 34 drives the first fixed plate 8 to rotate 180 degrees, the first upper die 5 is located above the lower die 13, at the moment, the first lifting rod 7 drives the first fixed plate 8 to ascend, the ascending first fixed plate 8 is in the groove 18, the next work is waited for, automatic monitoring of punching and automatic punching degree is realized, and the punching cutter 9 is switched, and the time is wasted when the punching cutter 9 is switched, and the punching cutter is worn down.
The photographed dust is sucked into the storage box 31 by the first pump body 25, a filter element is arranged in the storage box 31, the dust is filtered in the storage box 31, and workers clean the inlet of the dust after waiting for work to be received.
When the brush roller 27 removes burrs on a product, the lifting table 14 is lifted by utilizing the deburring time, so that the polishing block 16 can contact the stamping knife 9 on the second upper die 6, the general control box 3 judges the specific position of the stamping knife 9 according to the bottom view of the first upper die 5 and the stamping knife 9 which are input in advance, the second motor 15 is controlled to drive the polishing block 16 to move to the lower part of the stamping knife 9, the output end of the second motor 15 is started, the output end of the second motor 15 drives the polishing block 16 to rotate, the stamping knife 9 is polished, the worn stamping knife 9 is polished by utilizing gap fragments, the next automatic switching of the stamping knife 9 is facilitated, and the time waste caused by polishing the stamping knife 9 is reduced.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Finally, it should be pointed out that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting. Although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may be modified or some technical features may be equivalently replaced, and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (8)

1. A punching device with an automatic polishing function comprises a supporting frame (1),
the lower push rod (4) is arranged on the lower surface of the upper end of the support frame (1);
the method is characterized in that: the lower push rod (4) is provided with a switching component; the switching assembly includes:
a fifth motor (34) mounted on the lower surface of the push rod (4);
the first lifting rod (7) is arranged at the output end of the fifth motor (34);
the first fixing plate (8) is arranged at the bottom of the first lifting rod (7);
the first upper die (5) is arranged on one side of the lower surface of the first fixed plate (8);
the second upper die (6) is arranged on the other side of the lower surface of the first fixed plate (8);
a plurality of stamping knives (9) are arranged at the bottoms of the first upper die (5) and the second upper die (6);
the lower die (13) is arranged above the bottom of the supporting frame (1).
2. A punching apparatus having an automatic grinding function according to claim 1, characterized in that: the said
Still install the centre gripping subassembly on push down rod (4), the centre gripping subassembly includes:
at least one group of second lifting rods (10) are arranged on four sides of the push rod (4);
the telescopic rod (30) is arranged at one side of the output end of the second lifting rod (10).
3. A punching apparatus having an automatic grinding function according to claim 2, characterized in that: install rotating assembly on support frame (1), rotating assembly includes:
the first motor (11) is arranged above the bottom of the support frame (1);
the second fixed block (12) is arranged at the output end of the first motor (11), and the lower die (13) is arranged on the second fixed block (12).
4. A punching apparatus having an automatic grinding function according to claim 3, characterized in that: install burring subassembly (17) on the rotating assembly, burring subassembly (17) include:
a third fixing plate (20) mounted below the second fixing block (12);
a third motor (21) mounted below the second fixed block (12);
a first gear (22) mounted on the output end of the third motor (21);
a second gear (23) mounted on the third fixed plate (20), the second gear (23) being meshed with the first gear (22);
at least one group of fourth motors (26) are arranged on the lower surface of the third fixed plate (20);
a brush roller (27) mounted at the output end of the fourth motor (26);
and the brush (28) is arranged on the brush roller (27).
5. A punching apparatus having an automatic grinding function according to claim 4, characterized in that: the deburring assembly (17) further comprises:
a plurality of through holes (29) which are arranged on the brush roller (27), and the through holes (29) are communicated with a pipeline (36);
the first pump body (25) is arranged in the second fixed block (12);
the pipeline (36) is arranged at the output end of the first pump body (25), and a plurality of through holes (29) are connected with the pipeline (36);
and a storage box (31) mounted on the first pump body (25).
6. A punching apparatus having an automatic grinding function according to claim 5, characterized in that: a detection assembly (24) is mounted on the conduit (36), the detection assembly (24) comprising:
the detection box (35) is arranged on the pipeline (36), and the detection box (35) is communicated with the pipeline (36);
a whiteboard (32) mounted on the lower surface inside the detection box (35);
the photographing assembly (33) is arranged on the upper surface inside the detection box (35), and the photographing assembly (33) is located above the whiteboard (32).
7. A punching apparatus having an automatic grinding function according to claim 6, characterized in that: install the subassembly of polishing on support frame (1), the subassembly of polishing includes:
the lifting table (14) is arranged on the upper surface below the supporting frame (1);
a second motor (15) mounted on the lifting table (14);
and the polishing block (16) is arranged at the output end of the second motor (15).
8. A punching apparatus having an automatic grinding function according to claim 7, characterized in that: the using method of the punching equipment with the automatic polishing function comprises the following steps:
firstly, placing a product on a lower die (13), and punching the product by using a second upper die (6);
secondly, lifting the punched product by the telescopic rod (30), and simultaneously driving the second fixed block (12) to rotate by the first motor (11) so that the deburring component (17) faces to the lower part of the product;
a third motor (21) drives a third fixed plate (20) to rotate, and a fourth motor (26) drives a hairbrush roller (27) to rotate, so that the bottom of a product is polished and deburred;
fourth, the first pump body (25) sucks the dust polished out into the storage box (31) through the through hole (29) to collect, and meanwhile, the photographing component (33) photographs the dust to detect the dust amount when the dust passes through the white board (32), so that the burr amount is determined, and the sharpness of the punching knife (9) on the second upper die (6) is judged;
fifthly, if the dust amount exceeds the upper limit value of the preset dust amount, controlling a fifth motor (34) to drive a first fixing plate (8) to rotate, enabling the first fixing plate (8) to drive a first upper die (5) and a second upper die (6) to rotate, and switching positions, wherein the first upper die (5) starts to work at the moment;
and sixthly, the second motor (15) drives the polishing block (16) to polish the stamping knife (9) on the second upper die (6).
CN202310058088.1A 2023-01-16 2023-01-16 Punching equipment with automatic polishing function Pending CN116000182A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310058088.1A CN116000182A (en) 2023-01-16 2023-01-16 Punching equipment with automatic polishing function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310058088.1A CN116000182A (en) 2023-01-16 2023-01-16 Punching equipment with automatic polishing function

Publications (1)

Publication Number Publication Date
CN116000182A true CN116000182A (en) 2023-04-25

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ID=86029875

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310058088.1A Pending CN116000182A (en) 2023-01-16 2023-01-16 Punching equipment with automatic polishing function

Country Status (1)

Country Link
CN (1) CN116000182A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117655184A (en) * 2023-12-07 2024-03-08 浙江辰友厨具有限公司 Soup pot modeling system and molding equipment
CN118023397A (en) * 2024-04-11 2024-05-14 溧阳市力士汽车配件制造有限公司 Punching die for inner plate of automobile door

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117655184A (en) * 2023-12-07 2024-03-08 浙江辰友厨具有限公司 Soup pot modeling system and molding equipment
CN117655184B (en) * 2023-12-07 2024-05-31 浙江辰友厨具有限公司 Soup pot modeling system and molding equipment
CN118023397A (en) * 2024-04-11 2024-05-14 溧阳市力士汽车配件制造有限公司 Punching die for inner plate of automobile door
CN118023397B (en) * 2024-04-11 2024-06-07 溧阳市力士汽车配件制造有限公司 Punching die for inner plate of automobile door

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