CN113145747A - High-precision multi-angle synchronous flanging and punching die and method - Google Patents
High-precision multi-angle synchronous flanging and punching die and method Download PDFInfo
- Publication number
- CN113145747A CN113145747A CN202110403166.8A CN202110403166A CN113145747A CN 113145747 A CN113145747 A CN 113145747A CN 202110403166 A CN202110403166 A CN 202110403166A CN 113145747 A CN113145747 A CN 113145747A
- Authority
- CN
- China
- Prior art keywords
- die
- base
- workpiece
- forming male
- side forming
- 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
Links
Images
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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- 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
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/04—Centering the work; Positioning the tools
-
- 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
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/001—Shaping combined with punching, e.g. stamping and perforating
-
- 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
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/003—Simultaneous forming, e.g. making more than one part per stroke
-
- 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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/002—Positioning devices
-
- 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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
- B21D5/0209—Tools therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
Abstract
The invention discloses a high-precision multi-angle synchronous flanging and punching die, which comprises: the upper die mechanism comprises an upper die base and an upper forming male, and the upper forming male is fixedly arranged at the bottom of the upper die base; lower die mechanism, it includes the die holder, down the shaping is public, first side shaping is public and the second side shaping is public, and the work piece is placed under the shaping is public, and the public symmetrical arrangement of first side shaping is in the public both sides of shaping down, and first side shaping is public including first base, first side forming plate and first backing plate, is provided with first backing plate, first side forming plate that arrange in proper order on the first base, and first drift on the first backing plate is worn to locate first side forming plate. The invention also discloses a high-precision multi-angle synchronous flanging and punching method. Compared with the prior art, the multi-angle flanging and punching processing of the workpiece is realized in one step, the workpiece does not need to be repeatedly positioned, high-precision processing is realized, and the forming quality of the workpiece is improved.
Description
Technical Field
The invention belongs to the field of part punch forming, and particularly relates to a high-precision multi-angle synchronous flanging and punching die and a method.
Background
The punching process is a metal processing method, which is based on the plastic deformation of metal, and applies pressure to the plate by using a die and punching equipment to make the plate generate plastic deformation or separation, thereby obtaining parts with certain shape, size and performance.
When the existing stamping device is used for stamping, the bending and the punching of a product are finished through two steps of processes, and the product is repeatedly positioned, so that the processing quality is not high.
Disclosure of Invention
The invention aims to: the high-precision multi-angle synchronous flanging and punching die and the method have the advantages that multi-angle flanging and punching of workpieces are achieved in one step, repeated positioning of the workpieces is not needed, high-precision machining is achieved, and workpiece forming quality is improved.
In order to achieve the above object, in one aspect, the present invention provides a high-precision multi-angle synchronous flanging and punching die, including:
the upper die mechanism comprises an upper die base and an upper forming male, and the upper forming male is fixedly arranged at the bottom of the upper die base;
lower die mechanism, it includes the die holder, lower shaping is public, first side shaping is public and second side shaping is public, the work piece is placed at lower shaping is public, the public position of lower shaping corresponds and sets up in last shaping public below, the public symmetrical arrangement of first side shaping is at the public both sides of lower shaping, first side shaping is public including first base, first side shaping board and first backing plate, be provided with the first backing plate of arranging in proper order on the first base, first side shaping board, first base elastic connection is on the die holder, first side shaping board elastic connection is on first base, be provided with first side profiled surface on the first side shaping board, first backing plate fixed mounting is on first base, first side shaping board is worn to locate by first drift on the first backing plate.
As a further description of the above technical solution:
and a guide plate is arranged on the opposite side edge of the lower die base and penetrates through the upper die base.
As a further description of the above technical solution:
the upper die base is also provided with a positioning rod which is elastically connected with the upper die base.
As a further description of the above technical solution:
the lower forming male side is provided with a first positioning piece and a second positioning piece respectively, the end part of the first positioning piece is abutted against one side of the workpiece, and the end part of the second positioning piece is abutted against the other side of the workpiece opposite to the workpiece.
As a further description of the above technical solution:
the first positioning piece is fixedly installed on the lower die base through a fastener, a first waist-shaped hole is formed in the first positioning piece, and the fastener penetrates through the first waist-shaped hole.
As a further description of the above technical solution:
the two sides of the first base are provided with symmetrically arranged check blocks, the check blocks are fixedly mounted on the lower die base through two first fastening bolts, the first base is provided with a second fastening bolt, and a rod body of the second fastening bolt is connected to the check blocks between the two first fastening bolts in a sliding mode.
As a further description of the above technical solution:
two anti-collision stop blocks which are arranged in parallel are arranged on the first base.
On the other hand, the invention also provides a high-precision multi-angle synchronous flanging and punching method, which comprises the following steps:
1) the upper die mechanism descends, and the upper forming male and the lower forming male perform extrusion forming on the middle part of the workpiece;
2) the upper die mechanism continues to descend, the first side forming male die and the second side forming male die move towards the workpiece, and the two sides of the workpiece are bent and formed;
3) the upper die mechanism continues to move downwards, a first side forming plate of the first side forming die is compressed, a first punch on the first base plate is exposed, and a blind hole is punched on the side face of the workpiece;
4) and the upper die mechanism moves upwards to be separated from the lower die mechanism, and the workpiece is machined and formed.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. in the invention, the workpiece is processed and formed in the vertical direction through the upper forming male and the lower forming male, and the workpiece is processed and formed in the horizontal direction through the first side forming male and the second side forming male on two sides of the lower forming male. And the structure of the first side forming male part and the second side forming male part is the same (the number and the positions of the punches on the base plate are different), taking the first side forming male part as an example, the upper die mechanism continues to move downwards, the first side forming plate on the first base is compressed, the first punch on the first base is exposed, the first punch punches a blind hole on the side surface of the workpiece, and the second side forming male part is similar. Therefore, the punching die and the method provided by the invention can realize multi-angle edge folding and punching processing of the workpiece in one step, do not need to repeatedly position the workpiece, realize high-precision processing and improve the forming quality of the workpiece.
2. In the invention, in order to ensure the forming quality of the workpiece, the workpiece is subjected to multiple positioning, and the position deviation of the workpiece during punch forming is prevented. Specifically, the method comprises the following steps: on the lower die base, after a workpiece is placed on the lower forming die, two sides of the workpiece are fixed through a first positioning piece and a second positioning piece, waist-shaped holes are formed in the first positioning piece and the second positioning piece, and the mounting positions can be adjusted to ensure the positioning effect; and on the upper die base, a positioning rod elastically connected to the upper die base props against the workpiece to press the workpiece on the lower forming die.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural view of a high-precision multi-angle synchronous flanging and punching die.
FIG. 2 is a sectional view of a high-precision multi-angle synchronous flanging and punching die.
FIG. 3 is a schematic structural diagram I of a lower die mechanism in a high-precision multi-angle synchronous flanging and punching die.
FIG. 4 is a schematic structural diagram II of a lower die mechanism in the high-precision multi-angle synchronous flanging and punching die.
FIG. 5 is a schematic structural diagram of a first side forming pin in a high-precision multi-angle synchronous flanging and punching die.
FIG. 6 is a schematic view of a structure splitting of a first side forming pin in the high-precision multi-angle synchronous flanging and punching die.
FIG. 7 is a schematic diagram of a positioning rod positioning workpiece in a high-precision multi-angle synchronous flanging and punching die.
FIG. 8 is a schematic structural diagram of a first positioning member in a high-precision multi-angle synchronous flanging and punching die.
Illustration of the drawings:
1. an upper die mechanism; 11. an upper die holder; 12. forming a male mold; 13. positioning a rod; 2. a lower die mechanism; 21. a lower die holder; 22. forming a male die; 23. the first side is formed; 231. a first base; 232. a first side forming plate; 233. a first backing plate; 234. a first punch; 24. a second side molding male; 3. a workpiece; 4. a guide plate; 5. a first positioning member; 51. a first kidney-shaped hole; 6. a second positioning member; 7. a stopper; 71. a first fastening bolt; 8. a second fastening bolt; 9. anticollision dog.
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. 1-8, the present invention provides a technical solution: the utility model provides a synchronous hem cut-out press of high accuracy multi-angle, includes:
the upper die mechanism 1 comprises an upper die base 11 and an upper forming male 12, wherein the upper forming male 12 is fixedly arranged at the bottom of the upper die base 11;
the lower die mechanism 2 comprises a lower die base 21, a lower forming male 22, a first side forming male 23 and a second side forming male 24, a workpiece 3 is placed on the lower forming male 22, the position of the lower forming male 22 is correspondingly arranged below an upper forming male 12, the first side forming male 23 and the second side forming male 24 are symmetrically arranged on two sides of the lower forming male 22, the first side forming male 23 comprises a first base 231, a first side forming plate 232 and a first base plate 233, the first base 231 is provided with the first base plate 233 and the first side forming plate 232 which are sequentially arranged, the first base 231 is elastically connected onto the lower die base 21, the first side forming plate 232 is elastically connected onto the first base 231, a first side forming surface is arranged on the first side forming plate 232, the first base plate 233 is fixedly installed on the first base 231, and a first punch 234 on the first base plate 233 penetrates through the first side forming plate 232.
And a guide plate 4 is arranged on the opposite side edge of the lower die base 21, and the guide plate 4 penetrates through the upper die base 11 to ensure the die closing effect of the upper die mechanism 1 and the lower die mechanism 2.
The upper die holder 11 is also provided with a positioning rod 13, and the positioning rod 13 is elastically connected to the upper die holder 11 to further position the workpiece 3, so that the forming effect is ensured.
The two sides of the lower forming male 22 are respectively provided with a first positioning piece 5 and a second positioning piece 6, the end part of the first positioning piece 5 abuts against one side of the workpiece 3, the end part of the second positioning piece 6 abuts against the other side, opposite to the workpiece 3, the workpiece 3 is fully positioned, and the forming effect is guaranteed.
The first positioning piece 5 is fixedly installed on the lower die base 21 through a fastener, a first waist-shaped hole 51 is formed in the first positioning piece 5, and the fastener penetrates through the first waist-shaped hole 51, so that the installation position can be adjusted conveniently, and the workpiece 3 can be fully positioned.
The two sides of the first base 231 are provided with the stoppers 7 which are symmetrically arranged, the stoppers 7 are fixedly mounted on the lower die holder 21 through two first fastening bolts 71, the first base 231 is provided with the second fastening bolt 8, the rod body of the second fastening bolt 8 is slidably connected on the stoppers 7 between the two first fastening bolts 71, the stroke of the first base 231 is limited, and the molding effect of the workpiece 3 is ensured.
Two anti-collision stoppers 9 arranged in parallel are arranged on the first base 231, so that collision damage caused when the first base 231 returns after the upper die mechanism 1 ascends is prevented.
On the other hand, the invention also provides a high-precision multi-angle synchronous flanging and punching method, which comprises the following steps:
1) the upper die mechanism 1 descends, and the upper forming male 12 and the lower forming male 23 extrude and form the middle part of the workpiece 3;
2) the upper die mechanism 1 continues to descend, the first side forming male 23 and the second side forming male 24 move towards the workpiece 3, and two sides of the workpiece 3 are bent and formed;
3) the upper die mechanism 1 continues to descend, the first side forming plate 232 of the first side forming male 23 is compressed, the first punch 234 on the first base plate 233 is exposed, and a blind hole is punched on the side surface of the workpiece 3;
4) the upper die mechanism 1 moves upwards to be separated from the lower die mechanism 2, and the workpiece 3 is processed and formed.
The working principle is as follows: the workpiece is machined and formed in the vertical direction through the upper forming male part and the lower forming male part, and the workpiece is machined and formed in the horizontal direction through the first side forming male part and the second side forming male part on two sides of the lower forming male part. And the structure of the first side forming male part and the second side forming male part is the same (the number and the positions of the punches on the base plate are different), taking the first side forming male part as an example, the upper die mechanism continues to move downwards, the first side forming plate on the first base is compressed, the first punch on the first base is exposed, the first punch punches a blind hole on the side surface of the workpiece, and the second side forming male part is similar. Therefore, the punching die and the method provided by the invention can realize multi-angle edge folding and punching processing of the workpiece in one step, do not need to repeatedly position the workpiece, realize high-precision processing and improve the forming quality of the workpiece. In order to ensure the forming quality of the workpiece, the workpiece is subjected to multiple positioning, and the position deviation of the workpiece during punch forming is prevented. Specifically, the method comprises the following steps: on the lower die base, after a workpiece is placed on the lower forming die, two sides of the workpiece are fixed through a first positioning piece and a second positioning piece, waist-shaped holes are formed in the first positioning piece and the second positioning piece, and the mounting positions can be adjusted to ensure the positioning effect; and on the upper die base, a positioning rod elastically connected to the upper die base props against the workpiece to press the workpiece on the lower forming die.
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 (8)
1. The utility model provides a synchronous hem cut-out press of high accuracy multi-angle which characterized in that includes:
the upper die mechanism (1) comprises an upper die base (11) and an upper forming male (12), wherein the upper forming male (12) is fixedly arranged at the bottom of the upper die base (11);
the lower die mechanism (2) comprises a lower die holder (21), a lower forming male die (22), a first side forming male die (23) and a second side forming male die (24), a workpiece (3) is placed on the lower forming male die (22), the lower forming male die (22) is correspondingly arranged below the upper forming male die (12), the first side forming male die (23) and the second side forming male die (24) are symmetrically arranged on two sides of the lower forming male die (22), the first side forming male die (23) comprises a first base (231), a first side forming plate (232) and a first base plate (233), the first base (231) is provided with the first base plate (233) and the first side forming plate (232) which are sequentially arranged, the first base (231) is elastically connected onto the lower die holder (21), and the first side forming plate (232) is elastically connected onto the first base (231), the first side forming plate (232) is provided with a first side forming surface, the first base plate (233) is fixedly installed on the first base (231), and a first punch (234) on the first base plate (233) penetrates through the first side forming plate (232).
2. A high-precision multi-angle synchronous flanging and punching die as claimed in claim 1, wherein a guide plate (4) is arranged on one opposite side of the lower die holder (21), and the guide plate (4) is arranged on the upper die holder (11) in a penetrating manner.
3. The high-precision multi-angle synchronous flanging and punching die of claim 1, characterized in that a positioning rod (13) is further arranged on the upper die holder (11), and the positioning rod (13) is elastically connected to the upper die holder (11).
4. A high precision multi-angle synchronous flanging and punching die as claimed in claim 1, wherein a first positioning member (5) and a second positioning member (6) are respectively disposed on two sides of the lower forming male member (22), the end of the first positioning member (5) abuts against one side of the workpiece (3), and the end of the second positioning member (6) abuts against the other side of the workpiece (3) opposite to the other side.
5. A high-precision multi-angle synchronous flanging and punching die as claimed in claim 4, characterized in that the first positioning member (5) is fixedly mounted on the lower die holder (21) through a fastener, the first positioning member (5) is provided with a first kidney-shaped hole (51), and the fastener passes through the first kidney-shaped hole (51).
6. A high-precision multi-angle synchronous flanging and punching die as claimed in claim 1, wherein two sides of the first base (231) are provided with symmetrically arranged stoppers (7), the stoppers (7) are fixedly mounted on the lower die holder (21) through two first fastening bolts (71), the first base (231) is provided with a second fastening bolt (8), and the rod body of the second fastening bolt (8) is slidably connected to the stopper (7) between the two first fastening bolts (71).
7. A high precision multi-angle synchronous flanging punching die according to claim 1, characterized in that two anti-collision stoppers (9) arranged in parallel are arranged on the first base (231).
8. A high-precision multi-angle synchronous flanging and punching method is characterized by comprising the following steps:
1) the upper die mechanism (1) moves downwards, and the upper forming male die (12) and the lower forming male die (23) extrude and form the middle part of the workpiece (3);
2) the upper die mechanism (1) continues to move downwards, the first side forming male die (23) and the second side forming male die (24) move towards the workpiece (3), and the two sides of the workpiece (3) are bent and formed;
3) the upper die mechanism (1) continues to descend, a first side forming plate (232) of the first side forming male die (23) is compressed, a first punch (234) on a first base plate (233) is exposed, and a blind hole is punched on the side face of the workpiece (3);
4) the upper die mechanism (1) moves upwards to be separated from the lower die mechanism (2), and the workpiece (3) is machined and formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110403166.8A CN113145747A (en) | 2021-04-14 | 2021-04-14 | High-precision multi-angle synchronous flanging and punching die and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110403166.8A CN113145747A (en) | 2021-04-14 | 2021-04-14 | High-precision multi-angle synchronous flanging and punching die and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113145747A true CN113145747A (en) | 2021-07-23 |
Family
ID=76890599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110403166.8A Pending CN113145747A (en) | 2021-04-14 | 2021-04-14 | High-precision multi-angle synchronous flanging and punching die and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113145747A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09201627A (en) * | 1996-01-23 | 1997-08-05 | Ricoh Co Ltd | Burring punch and burring |
| JPH09295069A (en) * | 1996-05-10 | 1997-11-18 | Toyota Motor Corp | Punching and bending device |
| CN102266890A (en) * | 2011-07-27 | 2011-12-07 | 东莞市大忠电子有限公司 | Double side punching-hole and double side punching-hole flange integrated structure for double-hole shielding cover progressive mould |
| CN202779378U (en) * | 2012-08-14 | 2013-03-13 | 上海金涌模具有限公司 | Side punching die for back auxiliary main frame body |
| CN106216508A (en) * | 2016-08-19 | 2016-12-14 | 昆山华致精密模具有限公司 | A kind of automobile front suspension lower swing arm fixed support mould |
| CN112404247A (en) * | 2020-12-07 | 2021-02-26 | 安徽工业大学 | Detachable combined type punching die |
-
2021
- 2021-04-14 CN CN202110403166.8A patent/CN113145747A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09201627A (en) * | 1996-01-23 | 1997-08-05 | Ricoh Co Ltd | Burring punch and burring |
| JPH09295069A (en) * | 1996-05-10 | 1997-11-18 | Toyota Motor Corp | Punching and bending device |
| CN102266890A (en) * | 2011-07-27 | 2011-12-07 | 东莞市大忠电子有限公司 | Double side punching-hole and double side punching-hole flange integrated structure for double-hole shielding cover progressive mould |
| CN202779378U (en) * | 2012-08-14 | 2013-03-13 | 上海金涌模具有限公司 | Side punching die for back auxiliary main frame body |
| CN106216508A (en) * | 2016-08-19 | 2016-12-14 | 昆山华致精密模具有限公司 | A kind of automobile front suspension lower swing arm fixed support mould |
| CN112404247A (en) * | 2020-12-07 | 2021-02-26 | 安徽工业大学 | Detachable combined type punching die |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205869225U (en) | Crooked blanking die | |
| CN209631937U (en) | A kind of many types of face processing and forming stamping die of vehicle dormer window guide rail | |
| CN108326148B (en) | Flanging and punching die | |
| CN107252846A (en) | A kind of computer buckle processing mold | |
| CN212285529U (en) | Workpiece shearing, punching and bending compound die | |
| CN202356510U (en) | Die structure capable of realizing punching and hole flanging on lateral wall of oil tank | |
| CN113145747A (en) | High-precision multi-angle synchronous flanging and punching die and method | |
| CN105880376A (en) | Bending blanking mold | |
| CN215998308U (en) | Lifting punching die for inclined plane punching | |
| CN210999091U (en) | Trimming and finishing jig | |
| CN211071515U (en) | Inclined plane hole flanging device | |
| CN107096830A (en) | A kind of computer buckle diel with holes | |
| CN217775300U (en) | High-precision punching machine | |
| CN212190897U (en) | Forming, trimming and punching compound die | |
| CN221289247U (en) | Composite bending forming die with negative angle forming | |
| CN214719877U (en) | Special-shaped necking die | |
| CN212216757U (en) | Precision stamping die for machining elastic gasket | |
| CN213856609U (en) | Forced resetting mechanism for side-punching slide block | |
| CN115194015B (en) | Shaping side punching mechanism and shaping side punching method | |
| CN220942772U (en) | Side hole drawing die structure | |
| CN217070449U (en) | Bending die | |
| CN217858236U (en) | Through hole flanging die for metal plate on aircraft seat | |
| CN214977125U (en) | Forming and punching composite die | |
| CN220426497U (en) | Multi-hole combined punch of numerical control punch | |
| CN218015198U (en) | Punching die for lower female hinge of rear car door |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210723 |
|
| RJ01 | Rejection of invention patent application after publication |