CN112404238A - Efficient punching machine with buffering function and using method - Google Patents

Efficient punching machine with buffering function and using method Download PDF

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Publication number
CN112404238A
CN112404238A CN202011144483.4A CN202011144483A CN112404238A CN 112404238 A CN112404238 A CN 112404238A CN 202011144483 A CN202011144483 A CN 202011144483A CN 112404238 A CN112404238 A CN 112404238A
Authority
CN
China
Prior art keywords
punching
fixed
guide
buffering
punching machine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011144483.4A
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Chinese (zh)
Inventor
夏金宝
夏木兰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maanshan Litao Cnc Machine Tool Co ltd
Original Assignee
Maanshan Litao Cnc Machine Tool Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Maanshan Litao Cnc Machine Tool Co ltd filed Critical Maanshan Litao Cnc Machine Tool Co ltd
Priority to CN202011144483.4A priority Critical patent/CN112404238A/en
Publication of CN112404238A publication Critical patent/CN112404238A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/26—Perforating, i.e. punching holes in sheets or flat parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/34—Perforating tools; Die holders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/02—Advancing work in relation to the stroke of the die or tool
    • B21D43/021—Control or correction devices in association with moving strips
    • B21D43/023—Centering devices, e.g. edge guiding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/02—Advancing work in relation to the stroke of the die or tool
    • B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
    • B21D43/08—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by rollers
    • B21D43/09—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by rollers by one or more pairs of rollers for feeding sheet or strip material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
    • F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs

Abstract

The invention discloses a high-efficiency punching machine with a buffering function and a using method thereof, and the high-efficiency punching machine comprises a workbench, wherein a conveying structure is fixed at the top of the workbench, a guide structure is fixed at the top of the workbench, a punching table is fixed at the top of the workbench, a plurality of pneumatic telescopic rods are fixed at the top of the punching table, a lifting plate slides in the punching table, a buffering structure is fixed at the bottom of the lifting plate, a punching head is fixed at the bottom of the buffering structure, a communication hole is formed at the bottom of the punching table, a punching groove is formed in the communication hole, the conveying structure and the guide structure respectively comprise fixing plates, a guide roller is rotatably connected between every two adjacent fixing plates, limiting plates are respectively fixed at two ends of the guide roller, a driving motor is fixed at one side of the fixing plate in the conveying structure, and the buffering structure comprises. The punching machine can punch holes with different sizes on the steel strip at the same time, improves the punching efficiency of the punching machine, can enable the punching head to play a buffering role by adopting the compression spring, and improves the punching quality of the steel strip.

Description

Efficient punching machine with buffering function and using method
Technical Field
The invention relates to the technical field of punching machines, in particular to a high-efficiency punching machine with a buffering function and a using method.
Background
The punching machine is a mechanical device which completes punching by mounting raw materials and enabling a punching die to act on the materials under the driving of a power mechanism. The punching machine can perform the operations of sheet processing, punching, die pressing, embossing and the like for forcing metal to enter a die.
The punching machine in the prior art can not punch holes with different sizes on a steel belt at the same time, so that the punching efficiency of the punching machine is lower, a punching head does not have a buffer structure, and the quality of punching the steel belt is relatively poor. Therefore, it is desirable to design a high-efficiency punching machine with a buffering function to solve the above problems.
Disclosure of Invention
The invention aims to solve the defects that holes with different sizes cannot be punched on a steel strip at the same time in the prior art, so that the punching efficiency of a punching machine is low, a punching head does not have a buffering structure, and the quality of steel strip punching is relatively poor, and provides an efficient punching machine with a buffering function and a using method.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a high-efficient piercing press with buffer function, includes the workstation, the top of workstation is fixed with transport structure, the top of workstation is fixed with guide structure, the top of workstation is fixed with the platform of punching a hole, the top of the platform of punching a hole is fixed with a plurality of pneumatic telescopic links, the inside slip of the platform of punching a hole has the lifter plate, the bottom of lifter plate is fixed with buffer structure, buffer structure's bottom is fixed with the head of punching a hole, the intercommunicating pore has been opened to the bottom of the platform of punching a hole, the inside of intercommunicating pore has the dashing groove, transport structure and guide structure all include the fixed plate, adjacent two it is connected with the guide roll to rotate between the fixed plate, the both ends of guide roll all are fixed with spacing dish, fixed plate one side in the transport structure is fixed with driving motor.
Furthermore, buffer structure is including the fixing base, and the top of fixing base is fixed in the bottom of lifter plate, the inside of fixing base is opened there is the spacing groove.
Furthermore, a limiting block slides in the limiting groove, and a buffering rod is fixed at the bottom of the limiting block.
Furthermore, fixing grooves are formed in the top of the limiting block and the inside of the limiting groove, and compression springs are fixed inside the fixing grooves.
Furthermore, the top of the punching table is provided with a guide hole, the top of the lifting plate is fixed with a guide rod, and the guide rod is inserted in the guide hole in a sliding manner.
Furthermore, an expansion plate is installed at the output end of the pneumatic telescopic rod, and the top of the lifting plate is fixed at the bottom of the expansion plate.
Further, the bottom of workstation is installed the waste material case through the bolt, one side of waste material case is fixed with row's hopper.
Furthermore, a plurality of supporting legs are fixed at the bottom of the workbench, and a cross brace is fixed between every two adjacent supporting legs.
Also discloses a use method of the high-efficiency punching machine with the buffering function, which comprises the following steps:
the method comprises the following steps: fixedly installing a punching machine at a designated position through a supporting leg, and conveying a steel belt into a guide roller in a conveying structure;
step two: starting a driving motor on the conveying structure to drive a guide roller to rotate so as to convey the steel strip to be punched, wherein the guide roller on the guide structure is matched with a limiting disc to guide the conveyed steel strip;
step three: the pneumatic telescopic rods are started, the pneumatic telescopic rods drive the lifting plate to lift, the lifting plate drives the punching heads to lift, the punching heads descend into the punching grooves to punch holes in the steel strip, and a plurality of pneumatic telescopic rods are adopted to punch holes with different sizes in the steel strip at the same time, so that the punching efficiency of the punching machine is improved;
further preferably, when the punching head punches a hole in the steel strip, the limiting block in the buffering structure slides in the limiting groove, the limiting block prevents the buffer rod from being separated from the fixing seat, the use stability of the buffer rod is improved, and the compression spring absorbs instant acting force when the punching head contacts the steel strip.
The invention has the beneficial effects that:
1. through a plurality of pneumatic telescopic links and a plurality of punching head that set up, pneumatic telescopic link can drive the lifter plate and go up and down, and the lifter plate can drive the punching head and go up and down, and the punching head descends to the inside of dashing the groove and can punch a hole to the steel band, adopts a plurality of pneumatic telescopic links can be simultaneously to the hole of punching a big or small not unidimensional on the steel band, improves the efficiency of punching a hole of piercing press.
2. Through the buffer structure who sets up, stopper in the buffer structure slides at the spacing inslot, and the stopper can prevent that the buffer beam from breaking away from the fixing base, improves the stability that the buffer beam used, adopts compression spring can make the punching head play the cushioning effect.
3. Through the conveying structure and the guide structure that set up, the last driving motor of conveying structure can drive the guide roll and rotate to can carry the steel band that needs punched a hole, the spacing dish of guide roll cooperation on the guide structure can play the guide effect to the steel band of carrying, places the steel band and takes place the skew when removing, thereby improves the quality that the steel band punched a hole.
4. Through the guide bar and the guiding hole that set up, the guide bar slides and pegs graft in the inside of guiding hole, and the guiding hole can play the guide effect to the guide bar, and the guide bar can play the guide effect to the lifter plate, stability when improving the lifter plate and going up and down.
Drawings
FIG. 1 is a schematic view of the overall structure of a high-efficiency punching machine with a buffering function according to the present invention;
FIG. 2 is a schematic diagram of an internal structure of a high-efficiency punching machine with a buffering function according to the present invention;
FIG. 3 is a schematic view of a compression spring structure of a high-efficiency punching machine with a buffering function according to the present invention;
fig. 4 is a schematic diagram of a conveying structure of a high-efficiency punching machine with a buffering function according to the present invention.
In the figure: 1. a work table; 2. a conveying structure; 3. a guide structure; 4. a punching table; 5. a pneumatic telescopic rod; 6. a guide hole; 7. a guide bar; 8. a fixing plate; 9. a guide roller; 10. a limiting disc; 11. a drive motor; 12. supporting legs; 13. a cross brace; 14. a waste bin; 15. a discharge hopper; 16. a lifting plate; 17. an expansion board; 18. a buffer structure; 19. a punching head; 20. notching; 21. a communicating hole; 22. a fixed seat; 23. a limiting groove; 24. a limiting block; 25. a buffer rod; 26. fixing grooves; 27. compressing the spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Example 1:
referring to fig. 1 to 4, a high-efficiency punching machine with a buffering function comprises a workbench 1, a conveying structure 2 is fixed on the top of the workbench 1, a guide structure 3 is fixed on the top of the workbench 1, a punching table 4 is fixed on the top of the workbench 1, a plurality of pneumatic telescopic rods 5 are fixed on the top of the punching table 4, a plurality of pneumatic telescopic rods 5 are adopted to punch holes with different sizes on a steel strip simultaneously, so that the punching efficiency of the punching machine is improved, a lifting plate 16 slides inside the punching table 4, the pneumatic telescopic rods 5 can drive the lifting plate 16 to lift, a buffering structure 18 is fixed on the bottom of the lifting plate 16, a punching head 19 is fixed on the bottom of the buffering structure 18, the lifting plate 16 can drive the punching head 19 to lift, the punching head 19 descends into a punching groove 20 to punch the steel strip, and a communication hole 21 is formed in the bottom of the punching table 4, open the inside of intercommunicating pore 21 has the jet-bedding 20, transport structure 2 and guide structure 3 all include fixed plate 8, it is connected with guide roll 9 to rotate between two adjacent fixed plates 8, the both ends of guide roll 9 all are fixed with spacing dish 10, guide roll 9 cooperation spacing dish 10 on the guide structure 3 can play the guide effect to the steel band of carrying, take place the skew when placing the steel band and remove, thereby improve the quality that the steel band punched a hole, fixed plate 8 one side in transport structure 2 is fixed with driving motor 11, driving motor 11 can drive guide roll 9 and rotate, thereby can carry the steel band that needs punched a hole.
Further, the buffer structure 18 includes a fixing seat 22, the top of the fixing seat 22 is fixed at the bottom of the lifting plate 16, and a limiting groove 23 is formed inside the fixing seat 22.
Furthermore, the inside of spacing groove 23 slides and has a stopper 24, and stopper 24's bottom is fixed with buffer rod 25, and stopper 24 can prevent that buffer rod 25 from breaking away from fixing base 22, improves the stability that buffer rod 25 used.
Furthermore, fixing grooves 26 are formed in the top of the limiting block 24 and the limiting groove 23, a compression spring 27 is fixed in the fixing grooves 26, and the punching head 19 can play a buffering role by adopting the compression spring 27.
Furthermore, a guide hole 6 is formed in the top of the punching table 4, a guide rod 7 is fixed to the top of the lifting plate 16, the guide rod 7 is inserted into the guide hole 6 in a sliding mode, the guide rod 7 can play a role in guiding the lifting plate 16, and the stability of the lifting plate 16 during lifting is improved.
Furthermore, an expansion plate 17 is installed at the output end of the pneumatic telescopic rod 5, the expansion plate 17 can increase the contact area between the output end of the pneumatic telescopic rod 5 and the lifting plate 16, the stability of the lifting plate 16 during lifting is improved, and the top of the lifting plate 16 is fixed at the bottom of the expansion plate 17.
Furthermore, a waste box 14 is installed at the bottom of the workbench 1 through bolts, waste materials falling from punched holes enter the waste box 14, a discharge hopper 15 is fixed on one side of the waste box 14, and the waste materials in the waste box 14 are discharged through the discharge hopper 15.
Further, the bottom of workstation 1 is fixed with a plurality of supporting legs 12, is fixed with stull 13 between two adjacent supporting legs 12, and stull 13 can increase the stability that supporting leg 12 used.
The working principle is as follows: when the punching machine is used, the punching machine is fixedly installed at a designated position through the supporting legs 12, a steel belt is conveyed into the guide rollers 9 in the conveying structure 2, the driving motors 11 on the conveying structure 2 are started to drive the guide rollers 9 to rotate, so that the steel belt to be punched can be conveyed, the guide rollers 9 on the guide structure 3 are matched with the limiting discs 10 to play a role in guiding the conveyed steel belt, the steel belt is placed to deviate when moving, so that the quality of punching the steel belt is improved, the pneumatic telescopic rods 5 are started, the pneumatic telescopic rods 5 can drive the lifting plates 16 to lift, the lifting plates 16 can drive the punching heads 19 to lift, the punching heads 19 descend into the punching grooves 20 to punch the steel belt, a plurality of pneumatic telescopic rods 5 can simultaneously punch holes with different sizes on the steel belt, the punching efficiency of the punching machine is improved, and the guide rods 7 are slidably inserted into the guide holes 6, the guiding hole 6 can play the guide effect to the guide bar 7, and the guide bar 7 can play the guide effect to the lifter plate 16, improves the stability when the lifter plate 16 goes up and down, and stopper 24 in the buffer structure 18 slides in spacing groove 23, and stopper 24 can prevent that buffer rod 25 from breaking away from fixing base 22, improves the stability that buffer rod 25 used, adopts compression spring 27 can make the punching head 19 play the cushioning effect.
Example 2:
the use method of the high-efficiency punching machine with the buffering function comprises the following steps:
the method comprises the following steps: fixedly installing a punching machine at a designated position through a supporting leg 12, and conveying the steel strip into a guide roller 9 in a conveying structure 2;
the method comprises the following steps: starting a driving motor 11 on the conveying structure 2 to drive a guide roller 9 to rotate so as to convey a steel strip to be punched, wherein the guide roller 9 on the guide structure 3 is matched with a limiting disc 10 to guide the conveyed steel strip;
step three: the pneumatic telescopic rods 5 are started, the pneumatic telescopic rods 5 drive the lifting plate 16 to lift, the lifting plate 16 drives the punching head 19 to lift, the punching head 19 descends to the inside of the punching groove 20 to punch holes in the steel strip, a plurality of pneumatic telescopic rods 5 are adopted to punch holes with different sizes in the steel strip at the same time, and the punching efficiency of the punching machine is improved;
in a further preferable embodiment of the present invention, when the punching head 19 punches the steel strip, the stopper 24 in the buffer structure 18 slides in the stopper groove 23, the stopper 24 prevents the buffer rod 25 from separating from the fixing seat 22, so as to improve the stability of the use of the buffer rod 25, and the compression spring 27 absorbs the instant acting force when the punching head 19 contacts the steel strip.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (10)

1. The high-efficiency punching machine with the buffering function comprises a workbench (1) and is characterized in that a conveying structure (2) is fixed at the top of the workbench (1), a guide structure (3) is fixed at the top of the workbench (1), a punching table (4) is fixed at the top of the workbench (1), a plurality of pneumatic telescopic rods (5) are fixed at the top of the punching table (4), a lifting plate (16) is arranged inside the punching table (4) in a sliding mode, a buffering structure (18) is fixed at the bottom of the lifting plate (16), a punching head (19) is fixed at the bottom of the buffering structure (18), a communicating hole (21) is formed at the bottom of the punching table (4), a punching groove (20) is formed inside the communicating hole (21), fixing plates (8) are respectively included in the conveying structure (2) and the guide structure (3), and guide rollers (9) are rotatably connected between two adjacent fixing plates (8), both ends of guide roll (9) all are fixed with spacing dish (10), fixed plate (8) one side in transport structure (2) is fixed with driving motor (11).
2. The high-efficiency punching machine with the buffering function according to claim 1, wherein the buffering structure (18) comprises a fixing seat (22), the top of the fixing seat (22) is fixed at the bottom of the lifting plate (16), and a limiting groove (23) is formed in the fixing seat (22).
3. The high-efficiency punching machine with the buffering function is characterized in that a limiting block (24) slides inside the limiting groove (23), and a buffering rod (25) is fixed to the bottom of the limiting block (24).
4. The high-efficiency punching machine with the buffering function is characterized in that fixing grooves (26) are formed in the top of the limiting block (24) and the inside of the limiting groove (23), and compression springs (27) are fixed in the fixing grooves (26).
5. The high-efficiency punching machine with the buffering function is characterized in that a guide hole (6) is formed in the top of the punching table (4), a guide rod (7) is fixed to the top of the lifting plate (16), and the guide rod (7) is inserted into the guide hole (6) in a sliding mode.
6. The high-efficiency punching machine with the buffering function is characterized in that an expansion plate (17) is installed at the output end of the pneumatic telescopic rod (5), and the top of the lifting plate (16) is fixed to the bottom of the expansion plate (17).
7. The high-efficiency punching machine with the buffering function is characterized in that a waste box (14) is mounted at the bottom of the workbench (1) through bolts, and a discharge hopper (15) is fixed on one side of the waste box (14).
8. The high-efficiency punching machine with the buffering function is characterized in that a plurality of supporting legs (12) are fixed at the bottom of the workbench (1), and a cross brace (13) is fixed between every two adjacent supporting legs (12).
9. The use method of the high-efficiency punching machine with the buffering function as claimed in claim 8, is characterized by comprising the following steps:
the method comprises the following steps: fixedly installing a punching machine at a designated position through a supporting leg (12), and conveying a steel strip into a guide roller (9) in a conveying structure (2);
step two: a driving motor (11) on the conveying structure (2) is started to drive a guide roller (9) to rotate, so that a steel strip needing punching is conveyed, and the guide roller (9) on the guide structure (3) is matched with a limiting disc (10) to guide the conveyed steel strip;
step three: starting pneumatic telescopic rod (5), pneumatic telescopic rod (5) drive lifter plate (16) go up and down, lifter plate (16) drive punching head (19) go up and down, and inside that punching head (19) descend to washtrough (20) punches a hole to the steel band, adopts a plurality of pneumatic telescopic rod (5) to punch the hole of equidimension on the steel band simultaneously, improves the punching efficiency of piercing press.
10. The use method of the high-efficiency punching machine with the buffering function is characterized in that when the punching head (19) punches the steel strip, the limiting block (24) in the buffering structure (18) slides in the limiting groove (23), the limiting block (24) prevents the buffering rod (25) from being separated from the fixed seat (22), the use stability of the buffering rod (25) is improved, and the compression spring (27) absorbs the instant acting force when the punching head (19) contacts the steel strip.
CN202011144483.4A 2020-10-23 2020-10-23 Efficient punching machine with buffering function and using method Pending CN112404238A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011144483.4A CN112404238A (en) 2020-10-23 2020-10-23 Efficient punching machine with buffering function and using method

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Application Number Priority Date Filing Date Title
CN202011144483.4A CN112404238A (en) 2020-10-23 2020-10-23 Efficient punching machine with buffering function and using method

Publications (1)

Publication Number Publication Date
CN112404238A true CN112404238A (en) 2021-02-26

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Application Number Title Priority Date Filing Date
CN202011144483.4A Pending CN112404238A (en) 2020-10-23 2020-10-23 Efficient punching machine with buffering function and using method

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CN (1) CN112404238A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114289607A (en) * 2022-03-09 2022-04-08 河南英邦冷弯科技有限公司 Online continuous punching device in cold roll forming

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114289607A (en) * 2022-03-09 2022-04-08 河南英邦冷弯科技有限公司 Online continuous punching device in cold roll forming
CN114289607B (en) * 2022-03-09 2022-05-27 河南英邦冷弯科技有限公司 Online continuous punching device in cold roll forming

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