CN113145736A - Accurate pivot formula bending structure that punches a hole - Google Patents
Accurate pivot formula bending structure that punches a hole Download PDFInfo
- Publication number
- CN113145736A CN113145736A CN202110448707.9A CN202110448707A CN113145736A CN 113145736 A CN113145736 A CN 113145736A CN 202110448707 A CN202110448707 A CN 202110448707A CN 113145736 A CN113145736 A CN 113145736A
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- China
- Prior art keywords
- die holder
- punching
- plate
- bending structure
- lower die
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- Pending
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Classifications
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- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/08—Dies with different parts for several steps in a process
-
- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/14—Particular arrangements for handling and holding in place complete dies
-
- 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
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/02—Ejecting devices
- B21D45/04—Ejecting devices interrelated with motion of tool
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention discloses a precise rotating shaft type punching and bending structure, which comprises an upper die holder and a lower die holder which are matched, wherein a punching and bending mechanism is arranged between the upper die holder and the lower die holder, the punching and bending mechanism comprises an upper base plate and an upper clamping plate which are arranged on the bottom surface of the upper die holder, and also comprises a lower clamping plate and a lower die plate which are arranged on the surface of the lower die holder, the upper die holder is driven to move towards the lower die holder by a driving mechanism in the processing process, a punching punch and an upper forming male are driven to move downwards, namely an upper pressure plate extrudes a spring, an ejector rod pushes a turnover transmission block downwards by the downward force of the upper die holder, the turnover transmission block transmits the force to a turnover block, the turnover block rotates to push the lower forming male upwards, the upper forming male and the lower forming male are closed to form bending of a workpiece, meanwhile, the punching punch and a punching female die are closed in the downward process of the upper die holder to complete the punching of the workpiece, and complete the synchronous operation of the punching and the bending of the workpiece, the practicality is strong, and the flexibility is high, has improved the machining efficiency of work piece.
Description
Technical Field
The invention belongs to the technical field of sheet metal processing, and particularly relates to a precise rotary shaft type punching and bending structure.
Background
Generally, a part for bending and punching needs to go through two steps of punching and bending. The punching equipment can only perform punching operation, and the punching equipment can only perform punching operation.
The punching and bending process is generally divided into a plurality of processes: firstly, a flat plate is sheared into a blank, then numerical control punching or multi-time multi-position punching is carried out, and then bending and molding are carried out for multiple times by a bending machine. In the process, the holes are punched and then bent, and the blank has large thickness change in the continuous gradual forming process of the blank through a bending machine, so that the transverse position of the holes on the blank also has micro transverse movement, the product quality is unstable, the probability of producing defective products and waste products is high, and the material loss is large;
the technology of bending and punching firstly usually adopts the rolling forming of the strip steel coil, and then multi-pass punching is carried out, so that the processing difficulty of punching after bending is high, the product quality is difficult to guarantee, the production efficiency is low, and the personnel cost is high.
The processing device is characterized in that the punching device comprises a punching head, a punching head and a punching head, wherein the punching head is provided with a punching hole, the punching head is provided with a punching head, and the punching head is provided with a punching head.
Disclosure of Invention
The invention aims to provide a precise rotary shaft type punching and bending structure to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a precise rotating shaft type punching and bending structure comprises an upper die holder and a lower die holder which are matched, wherein a punching and bending mechanism is arranged between the upper die holder and the lower die holder, the punching and bending mechanism comprises an upper base plate and an upper clamping plate which are arranged on the bottom surface of the upper die holder, and a lower clamping plate and a lower die plate which are arranged on the surface of the lower die holder;
the upper clamping plate is fixed on the upper base plate, and a punching punch, an upper forming male die and an ejector rod are arranged on the upper clamping plate;
the lower template is fixed on a lower clamping plate, a punching female die matched with a punching punch is arranged on the lower clamping plate, a lower forming male matched with an upper forming male is also arranged on the lower clamping plate, a sliding rail matched with the ejector rod is also arranged on the lower clamping plate, an overturning transmission block is arranged in the sliding rail in a sliding manner, and the top end of the overturning transmission block abuts against the bottom surface of the ejector rod;
the semi-circular groove has been seted up on the surface of die holder, install the pivot on the bottom surface of lower plate, and install through the pivot and be hemispherical upset piece, the upset piece sets up the semi-circular inslot at the die holder, the bottom of upset transmission piece offsets with one side top surface of upset piece, upset piece opposite side top surface offsets with the public bottom surface of lower shaping.
As a still further scheme of the invention: an upper pressure plate is further arranged between the upper die base and the lower die base, one end of the top surface of the upper pressure plate is coupled with an equal-height screw, the top end of the equal-height screw penetrates through the upper backing plate and the upper clamping plate and is arranged in the through hole of the upper die base, a spring is sleeved on the equal-height screw, the bottom end of the equal-height screw abuts against the surface of the upper pressure plate, and the top end of the equal-height screw penetrates through the upper clamping plate and abuts against the bottom surface of the upper backing plate.
As a still further scheme of the invention: the upper pressure plate is provided with a first hole groove matched with the punching head, and the upper pressure plate is also provided with a second hole groove matched with the upper forming punch.
As a still further scheme of the invention: the lower clamping plate is provided with a first limiting groove for clamping the first limiting screw, the tail end of the first limiting screw is arranged in the first limiting groove, and a high-strength adhesive is arranged between the first limiting screw and the bottom surface of the first limiting groove.
As a still further scheme of the invention: and a second limiting screw is coupled to one side of the lower clamping plate, which is positioned on the overturning transmission block, a second limiting groove for clamping the second limiting screw is formed in the side surface of the overturning transmission block, and the tail end of the second limiting screw is arranged in the second limiting groove.
As a still further scheme of the invention: and a tension spring is arranged between the turning block and the lower die base.
As a still further scheme of the invention: the die comprises an upper die base, a lower die base and an outer die base, wherein an upper limiting column is vertically arranged at one end of the bottom surface of the upper die base, an outer guide column is vertically arranged at the other end of the bottom surface of the upper die base, a lower limiting column matched with the upper limiting column is vertically arranged at one end of the top surface of the lower die base, and an outer guide sleeve matched with the outer guide column is arranged at the other end of the top surface of the lower die base.
As a still further scheme of the invention: and a first guide groove for the outer guide pillar to pass through is formed in the lower die base and is positioned below the outer guide sleeve.
As a still further scheme of the invention: and a second guide groove for discharging punching waste is formed in the lower die base and is positioned below the punching female die.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the arrangement of the bending and punching mechanism, a workpiece is placed on the lower template, the upper die base is driven to move towards the lower die base through the driving mechanism, the punching punch and the upper forming male are driven to move downwards, namely the upper pressure plate extrudes the spring, the ejector rod pushes the overturning transmission block downwards under the downward force of the upper die base, the overturning transmission block transmits the force to the overturning block, the overturning block rotates to push the lower forming male upwards, the upper forming male and the lower forming male are closed to form bending of the workpiece, meanwhile, in the downward process of the upper die base, the punching punch and the punching female die are closed to complete punching of the workpiece, and synchronous operation of punching and bending of the workpiece is completed, so that the bending and punching device is strong in practicability, high in flexibility, time-saving and labor-saving, and the processing efficiency of the workpiece is improved;
2. in the demolding process of the upper die holder and the lower die holder, the side face of the turnover block is under the tensile force of the tension spring and the elastic action of the release of the high-strength rubber, so that the lower molding male force moves downwards, the turnover block is pushed to reversely push the ejector rod to move upwards, and the demolding of the upper die holder and the lower die holder is completed, and the structure is ingenious, so that the upper die holder and the lower die holder can be separated more conveniently and quickly;
3. the spring is sleeved on the equal-height screws, so that a driving force can be provided for the resetting operation of the upper pressure plate in the working process;
4. according to the invention, the outer guide pillar is arranged on the bottom surface of the upper die holder, the outer guide sleeve matched with the outer guide pillar is arranged on the top surface of the lower die holder, and accurate guide is provided for the movement between the upper die holder and the lower die holder through the guiding effect of the outer guide sleeve of the outer guide pillar, so that the processing quality is improved.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic front structural view of the present invention.
Fig. 2 is a schematic structural view of an upper die base in the present invention.
FIG. 3 is a schematic structural view of the lower die holder of the present invention.
FIG. 4 is a schematic structural view of the initial state of the process of the present invention.
FIG. 5 is a schematic structural view showing the initial contact state of the upper and lower dies during the processing of the present invention.
FIG. 6 is a schematic view showing the contact structure between the carrier rod and the upper mold base during the processing of the present invention.
FIG. 7 is a schematic structural view of a workpiece after punching and forming in the machining process of the present invention.
FIG. 8 is a schematic view of the structure of the turnover block reset in the processing process of the present invention.
Fig. 9 is a schematic structural view of spring force release reset in the processing process of the invention.
FIG. 10 is a schematic structural view showing the recovery state of the upper and lower die sets during the processing of the present invention.
In the figure: 1. an upper die holder; 2. an equal-height screw; 3. an upper limiting column; 4. a spring; 5. forming a male mold; 6. feeding a pressure plate; 7. a workpiece; 8. a lower restraint post; 9. a first limiting screw; 10. a lower die holder; 11. 4, high-strength rubber; 12. forming a male die; 13. punching a female die; 14. punching a punch; 15. an upper base plate; 16. an upper splint; 17. a top rod; 18. an outer guide post; 19. a lower template; 20. a lower splint; 21. an outer guide sleeve; 22. a second limit screw; 23. turning over the transmission block; 24. a rotating shaft; 25. a tension spring; 26. and (5) turning over the block.
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.
Referring to fig. 1 to 9, in the embodiment of the present invention, a precision rotating shaft type punching and bending structure includes an upper die holder 1 and a lower die holder 10 which are adapted to each other, a punching and bending mechanism is disposed between the upper die holder 1 and the lower die holder 10, the punching and bending mechanism includes an upper pad 15 and an upper clamp plate 16 which are disposed on a bottom surface of the upper die holder 1, a lower clamp plate 20 and a lower clamp plate 19 which are disposed on a surface of the lower die holder 10, the upper clamp plate 16 is fixed on the upper pad 15, the upper clamp plate 16 is provided with a punching punch 14, an upper forming male 5 and a push rod 17, the lower clamp plate 19 is fixed on the lower clamp plate 20, the lower clamp plate 20 is provided with a punching female die 13 adapted to the punching punch 14, the lower clamp plate 20 is further provided with a lower forming male 12 adapted to the upper forming male 5, the lower clamp plate 20 is further provided with a slide rail adapted to the push rod 17, and an overturning transmission block 23 is slidably disposed inside the slide rail, the top of upset transmission piece 23 offsets with the bottom surface of ejector pin 17, the semicircular groove has been seted up on the surface of die holder 10, install pivot 24 on the bottom surface of lower plate 20, and install through pivot 24 and be hemispherical upset piece 26, upset piece 26 sets up the semicircular groove at die holder 10, the bottom of upset transmission piece 23 offsets with one side top surface of upset piece 26, upset piece 26 opposite side top surface offsets with lower shaping public 12 bottom surface.
When the device is used, a workpiece 7 is placed on the lower die plate 19, the upper die base 1 is driven by the driving mechanism to move towards the lower die base 10, the punching punch 14 and the upper forming male 5 are driven to move downwards, namely the upper pressure plate 6 extrudes the spring 4, the ejector rod 17 pushes the overturning transmission block 23 downwards under the downward force of the upper die base 1, the overturning transmission block 23 transmits the force to the overturning block 26, the overturning block 26 rotates to push the lower forming male 12 upwards, the upper forming male 5 and the lower forming male 12 are closed to form bending of the workpiece 7, meanwhile, in the downward process of the upper die base 1, the punching punch 14 and the punching female die 13 are closed to complete punching of the workpiece 7, and synchronous operation of punching and bending of the workpiece 7 is completed.
Referring to fig. 1-2, an upper pressure plate 6 is further arranged between the upper die holder 1 and the lower die holder 10, an equal-height screw 2 is coupled to one end of the top surface of the upper pressure plate 6, the top end of the equal-height screw 2 penetrates through an upper backing plate 15 and an upper clamping plate 16 and is arranged in a through hole of the upper die holder 1, a spring 4 is sleeved on the equal-height screw 2, the bottom end of the equal-height screw 2 abuts against the surface of the upper pressure plate 6, and the top end of the equal-height screw 2 penetrates through the upper clamping plate 16 and abuts against the bottom surface of the upper backing plate 15.
During the use, through setting up equal altitude screw 2, can effectively restrict the stroke of last pressure flitch 6, the upper die base 1 of being convenient for fixes processing to the work piece 7 of different thickness with die holder 10, and the practicality is strong to through set up spring 4 on equal altitude screw 2, can provide drive power for the operation that resets of last pressure flitch 6 in the course of the work, also form a flexible support effect to work piece 7.
Referring to fig. 1-2, a first hole groove adapted to the punching punch 14 is formed in the upper pressing plate 6, and a second hole groove adapted to the upper forming pin 5 is further formed in the upper pressing plate 6.
When in use, the punching punch 14 and the upper forming core 5 can conveniently penetrate through the upper pressure plate 6 without resistance to punch and bend the workpiece 7, and the punching and bending quality of the workpiece 7 is provided.
Referring to fig. 1 and 3, a first limiting screw 9 is coupled to one side of the lower forming male 12 on the lower clamping plate 20, a first limiting groove for clamping the first limiting screw 9 is formed in the side surface of the lower forming male 12, the tail end of the first limiting screw 9 is arranged inside the first limiting groove, and a high-strength adhesive 11 is arranged between the first limiting screw 9 and the bottom surface of the first limiting groove.
During the use, through a 9 setting of spacing screw, realize the stroke management and control of the public 12 atress of lower shaping upwards removal to through the setting of the gluey 11 of dominant force, make the elastic action of the gluey 11 release of dominant force play the elastic buffer effect to the public 12 of lower shaping, help the public 12 of lower shaping reset.
Referring to fig. 1 and 3, a second limiting screw 22 is coupled to one side of the lower clamping plate 20, which is located on the turnover transmission block 23, a second limiting groove for clamping the second limiting screw 22 is formed in the side surface of the turnover transmission block 23, and the tail end of the second limiting screw 22 is arranged inside the second limiting groove.
When the turnover mechanism is used, the turnover transmission block 23 can be limited in moving in the vertical direction through the arrangement of the second limiting screw 22, and the turnover block 26 is limited and protected.
Referring to fig. 1 and 3, a tension spring 25 is arranged between the turning block 26 and the lower die base 10.
When the demoulding device is used, in the demoulding process of the upper die base 1 and the lower die base 10, the side surface of the overturning block 26 is under the action of the tensile force of the tension spring 25, the overturning block 26 is pushed to reversely push the ejector rod 17 to move upwards, so that the demoulding of the upper die base 1 and the lower die base 10 is completed, the structure is ingenious, and the upper die base 1 and the lower die base 10 can be separated more conveniently and rapidly.
Referring to fig. 4-10, an upper limiting column 3 is vertically arranged at one end of the bottom surface of the upper die holder 1, an outer guide column 18 is vertically arranged at the other end of the bottom surface of the upper die holder 1, a lower limiting column 8 matched with the upper limiting column 3 is vertically arranged at one end of the top surface of the lower die holder 10, an outer guide sleeve 21 matched with the outer guide column 18 is arranged at the other end of the top surface of the lower die holder 10, and a first guide groove for the outer guide column 18 to pass through is formed in the lower die holder 10 and below the outer guide sleeve 21.
When the die is used, the guide function of the outer guide sleeve 21 of the outer guide pillar 18 provides accurate guide for the movement between the upper die holder 1 and the lower die holder 10, and the processing quality is improved.
Referring to fig. 3, a second guide groove for discharging punching waste is formed in the lower die base 10 and below the punching die 13.
Through the arrangement of the second guide groove, punching waste of the workpiece 7 is convenient to discharge out of the lower die holder 10.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (9)
1. A precise rotary shaft type punching and bending structure comprises an upper die holder (1) and a lower die holder (10) which are matched, and is characterized in that a punching and bending mechanism is arranged between the upper die holder (1) and the lower die holder (10), the punching and bending mechanism comprises an upper base plate (15) and an upper clamping plate (16) which are arranged on the bottom surface of the upper die holder (1), and the precise rotary shaft type punching and bending structure also comprises a lower clamping plate (20) and a lower die plate (19) which are arranged on the surface of the lower die holder (10);
the upper clamp plate (16) is fixed on the upper backing plate (15), and a punching punch (14), an upper forming pin (5) and an ejector rod (17) are arranged on the upper clamp plate (16);
the lower template (19) is fixed on a lower clamp plate (20), a punching female die (13) matched with a punching punch (14) is arranged on the lower clamp plate (20), a lower forming male die (12) matched with an upper forming male die (5) is further arranged on the lower clamp plate (20), a sliding rail matched with the ejector rod (17) is further arranged on the lower clamp plate (20), an overturning transmission block (23) is arranged in the sliding rail in a sliding mode, and the top end of the overturning transmission block (23) abuts against the bottom surface of the ejector rod (17);
the semi-circular groove has been seted up on the surface of die holder (10), install pivot (24) on the bottom surface of lower plate (20), and install through pivot (24) and be hemispherical upset piece (26), upset piece (26) set up the semi-circular inslot at die holder (10), the bottom of upset transmission piece (23) offsets with one side top surface of upset piece (26), upset piece (26) opposite side top surface offsets with lower shaping public (12) bottom surface.
2. The precise rotary shaft type punching and bending structure of claim 1, wherein an upper pressure plate (6) is further arranged between the upper die holder (1) and the lower die holder (10), one end of the top surface of the upper pressure plate (6) is coupled with an equal-height screw (2), the top end of the equal-height screw (2) penetrates through an upper backing plate (15) and an upper clamping plate (16) and is arranged in a through hole of the upper die holder (1), a spring (4) is sleeved on the equal-height screw (2), the bottom end of the equal-height screw (2) abuts against the surface of the upper pressure plate (6), and the top end of the equal-height screw (2) penetrates through the upper clamping plate (16) and abuts against the bottom surface of the upper backing plate (15).
3. The precise rotary shaft type punching and bending structure of claim 2, wherein a first hole groove matched with the punching punch (14) is formed in the upper pressing plate (6), and a second hole groove matched with the upper forming die (5) is formed in the upper pressing plate (6).
4. The precise rotary shaft type punching and bending structure of claim 1, wherein a first limit screw (9) is coupled to one side of the lower forming male (12) on the lower clamping plate (20), a first limit groove for clamping the first limit screw (9) is formed in the side surface of the lower forming male (12), the tail end of the first limit screw (9) is arranged inside the first limit groove, and a high-strength adhesive (11) is arranged between the first limit screw (9) and the bottom surface of the first limit groove.
5. The precise rotary shaft type punching and bending structure according to claim 1, wherein a second limit screw (22) is coupled to one side of the turnover driving block (23) on the lower clamping plate (20), a second limit groove for clamping the second limit screw (22) is formed in the side surface of the turnover driving block (23), and the tail end of the second limit screw (22) is arranged inside the second limit groove.
6. The precise rotary shaft type punching and bending structure of claim 1, wherein a tension spring (25) is arranged between the turnover block (26) and the lower die holder (10).
7. The precise rotary shaft type punching and bending structure of claim 1, wherein one end of the bottom surface of the upper die holder (1) is vertically provided with an upper limiting column (3), the other end of the bottom surface of the upper die holder (1) is vertically provided with an outer guide column (18), one end of the top surface of the lower die holder (10) is vertically provided with a lower limiting column (8) matched with the upper limiting column (3), and the other end of the top surface of the lower die holder (10) is provided with an outer guide sleeve (21) matched with the outer guide column (18).
8. The precise rotary shaft type punching and bending structure of claim 7, wherein a first guide groove for the outer guide pillar (18) to pass through is formed in the lower die holder (10) and below the outer guide sleeve (21).
9. The precise rotary shaft type punching and bending structure of claim 1, wherein a second guide groove for discharging punching waste is formed in the lower die holder (10) and below the punching female die (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110448707.9A CN113145736A (en) | 2021-04-25 | 2021-04-25 | Accurate pivot formula bending structure that punches a hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110448707.9A CN113145736A (en) | 2021-04-25 | 2021-04-25 | Accurate pivot formula bending structure that punches a hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113145736A true CN113145736A (en) | 2021-07-23 |
Family
ID=76870334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110448707.9A Pending CN113145736A (en) | 2021-04-25 | 2021-04-25 | Accurate pivot formula bending structure that punches a hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113145736A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115301829A (en) * | 2022-10-11 | 2022-11-08 | 南通西东电器有限公司 | Hardware part blanking equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5832771A (en) * | 1996-05-31 | 1998-11-10 | Kabushiki Kaisha Ogura | Universal punch press for working on steel frame members of the like |
| CN203778606U (en) * | 2014-03-19 | 2014-08-20 | 天津市津荣天宇精密机械有限公司 | Upward bending structure applied to progressive die |
| CN204294772U (en) * | 2014-12-12 | 2015-04-29 | 李俊 | A kind of U-shaped support punching and blanking bends composite die |
| CN206951990U (en) * | 2017-07-14 | 2018-02-02 | 苏州恒腾电子有限公司 | A kind of power transmission bending and forming mechanism |
| CN208303627U (en) * | 2018-05-16 | 2019-01-01 | 南通市华天模具制造有限公司 | A kind of arrangements for automotive doors punch-forming mold |
-
2021
- 2021-04-25 CN CN202110448707.9A patent/CN113145736A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5832771A (en) * | 1996-05-31 | 1998-11-10 | Kabushiki Kaisha Ogura | Universal punch press for working on steel frame members of the like |
| CN203778606U (en) * | 2014-03-19 | 2014-08-20 | 天津市津荣天宇精密机械有限公司 | Upward bending structure applied to progressive die |
| CN204294772U (en) * | 2014-12-12 | 2015-04-29 | 李俊 | A kind of U-shaped support punching and blanking bends composite die |
| CN206951990U (en) * | 2017-07-14 | 2018-02-02 | 苏州恒腾电子有限公司 | A kind of power transmission bending and forming mechanism |
| CN208303627U (en) * | 2018-05-16 | 2019-01-01 | 南通市华天模具制造有限公司 | A kind of arrangements for automotive doors punch-forming mold |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115301829A (en) * | 2022-10-11 | 2022-11-08 | 南通西东电器有限公司 | Hardware part blanking equipment |
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