CN113560447B - Reverse slider forming and stripping method - Google Patents
Reverse slider forming and stripping method Download PDFInfo
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- CN113560447B CN113560447B CN202110888909.5A CN202110888909A CN113560447B CN 113560447 B CN113560447 B CN 113560447B CN 202110888909 A CN202110888909 A CN 202110888909A CN 113560447 B CN113560447 B CN 113560447B
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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
- 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
- B21D43/003—Positioning devices
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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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
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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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
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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
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/02—Ejecting devices
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- Mechanical Engineering (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
Abstract
The invention discloses a reverse slider forming and stripping method, which comprises the following steps: 1) Placing the product on a lower template, and pressing the product on the lower template by a stripper plate at the bottom of an upper die mechanism; 2) The upper die mechanism continues to descend, and the stripper plate compresses the product under the action of the first elastic component; 3) The punch contacts the driving block and forces the driving block to move downwards, the driving block contacts the sliding block and forces the sliding block to move along the bottom surface of the cavity, and the sliding block contacts the lower die forming punch and forces the sliding block to move upwards; 4) The lower die forming punch contacts with the product and forces the product to yield and deform, and the insert formed in the insert is extruded by the lower die forming punch to ascend, so that the upward flanging of the product is completed; 5) The upper die mechanism moves upwards, the punch moves upwards, and the driving block, the sliding block, the lower die forming punch and the insert return; 6) The product is removed under the pushing of the seed. Compared with the prior art, the invention fully compresses the product before the forming punch performs flanging forming, thereby improving the processing quality of the product.
Description
Technical Field
The invention belongs to the field of stamping forming, and particularly relates to a reverse slider forming and stripping method.
Background
The stamping process is a metal processing method, which is based on plastic deformation of metal, and applies pressure to the plate material by using a die and stamping equipment to make the plate material generate plastic deformation or separation, thereby obtaining a part with certain shape, size and performance.
In cold stamping die technique, especially large-scale car spare and accessory part transfer mould, the product dysmorphism is tortuous, and the product in same step is the shaping that goes up to some, and the shaping that goes down to some, and the simultaneous shaping is from top to bottom, and the hole location degree of product hole flanging, hole concentricity requirement are tighter, and the product is even regard hole after the turn-ups or the face after the shaping as the benchmark, and the degree of difficulty of product machine-shaping is high. In order to stabilize and reliable product quality, the forming processes such as hole flanging, flanging and the like generally need to be carried out after the product is pressed by a pressing material and then formed. The prior forming device is easy to cause the phenomenon that the product is not pressed and dead before being formed, the product runs irregularly in the die when the punch moves, the product quality is unstable, and the product strength and aesthetic deadly factors such as local wrinkling, cracking, dark cracking and the like can be accompanied.
Disclosure of Invention
The invention aims at: the reverse sliding block forming and stripping method is provided, products are fully pressed before the forming punch performs flanging forming, the running track of the forming punch is controlled, irregular running of the products in a die is avoided, and the processing quality of the products is improved.
In order to achieve the above purpose, the present invention adopts the following technical scheme: a reverse slider forming and stripping method comprises the following steps:
1) Placing the product on a lower template, descending an upper die mechanism, and pressing the product on the lower template by a stripper plate at the bottom of the upper die mechanism;
2) The upper die mechanism continues to descend, and the stripper plate compresses the product under the action of the first elastic component;
3) The upper die mechanism continues to move downwards, the punch contacts the driving block and forces the driving block to move downwards, the driving block contacts the first inclined surface of the sliding block through the second inclined surface and forces the sliding block to move along the bottom surface of the cavity, and the third inclined surface of the sliding block contacts the bottom surface of the lower die forming punch and forces the lower die forming punch to move upwards;
4) The upper die mechanism continues to descend, the lower die forming punch contacts with the product and forces the product to yield and deform in the forming insert, the insert in the forming insert is extruded by the lower die forming punch to ascend, and upward flanging of the product is completed;
5) The upper die mechanism moves upwards, the stripper plate keeps a product pressing state under the action of the first elastic component, the punch moves upwards, the driving block breaks away from the pressing of the punch and returns upwards under the action of the third elastic component, the sliding block breaks away from the pressing of the driving block and returns under the action of the fourth elastic component, the lower die molding punch breaks away from the pressing of the sliding block and moves downwards, and the insert butts against a product under the action of the second elastic component;
6) The upper die mechanism continues to ascend, the stripper plate breaks away from the product, and the product is stripped under the pushing of the insert;
the method is realized by a reverse slide block forming device, the reverse slide block forming device comprises an upper die mechanism and a lower die mechanism, the upper die mechanism comprises an upper die base, a stop plate, a stripper plate and a punch, the stop plate is elastically connected to the upper die base through a first elastic component, the stripper plate is fixedly arranged on the stop plate, a forming insert and an insert are arranged at the bottom of the stripper plate, the insert is elastically connected to the stop plate through a second elastic component, and the punch is fixedly arranged on the upper die base; the lower die mechanism comprises a lower die base, a driving block, a sliding block, a lower die plate and a lower die forming punch, wherein a die cavity is formed in the lower die base, the driving block is elastically connected to the bottom surface of the die cavity through a third elastic component, the driving block is correspondingly arranged below the punch, the sliding block is elastically connected to the side wall of the die cavity through a fourth elastic component, a first inclined surface arranged at the end part of the sliding block abuts against a second inclined surface arranged at one side of the driving block, the lower die plate is fixedly arranged on the lower die base, the lower die forming punch penetrates through the lower die plate, the bottom surface of the lower die forming punch abuts against a third inclined surface arranged on the sliding block, and the position of the lower die forming punch is correspondingly arranged below the insert.
As a further description of the above technical solution:
the upper die mechanism further comprises guide legs which are fixedly arranged on the upper die base, and through holes with positions corresponding to the guide legs are formed in the stop plates.
As a further description of the above technical solution:
the first self-lubricating wear-resisting plates are symmetrically arranged on the opposite side walls of the through holes and are propped against the guide legs.
As a further description of the above technical solution:
the stop plate is also provided with a guide post, the upper die holder is provided with a guide sleeve with a position corresponding to the guide post, and the guide post is connected in the guide sleeve in a sliding way.
As a further description of the above technical solution:
the upper die holder is also provided with a sleeve with equal height, and the sleeve with equal height is penetrated through the stop plate.
As a further description of the above technical solution:
the driving block penetrates through the lower die plate, a second self-lubricating wear-resisting plate is arranged in the lower die plate, and the second self-lubricating wear-resisting plate abuts against the side face of the driving block.
As a further description of the above technical solution:
the side wall of the cavity is provided with a third self-lubricating wear-resisting plate which is propped against the side face of the driving block.
As a further description of the above technical solution:
the bottom surface of the cavity is also provided with a wear-resistant plate, and the sliding block is connected to the wear-resistant plate in a sliding way.
As a further description of the above technical solution:
an upper limiting block is further arranged on the upper die holder, and a lower limiting block with a position corresponding to the upper limiting block is arranged on the lower die holder.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. according to the invention, before the product is turned up through the lower die forming punch of the lower die mechanism, the product is fully pressed through the stripper plate, then the driving block is pressed downwards through the punch, the driving block presses the sliding block to move, and the sliding block presses the lower die forming punch to move upwards, so that the upward turning of the product is finally realized, irregular running of the product in the die is avoided, and the processing quality of the product is improved.
2. In the invention, the lower die plate is also provided with the fourth self-lubricating wear-resisting plate, the fourth self-lubricating wear-resisting plate is propped against the side surface of the lower die forming punch, and when the lower die forming punch moves up and down in the lower die plate, the fourth self-lubricating wear-resisting plate not only plays a role in guiding, but also limits the upward stroke of the lower die forming punch (after the lower die forming punch moves up for a certain distance, the step surface of the side surface of the lower die forming punch can prop against the bottom of the fourth self-lubricating wear-resisting plate and cannot go up continuously). Therefore, the lower die plate can effectively control the running track of the lower die forming punch, avoid irregular running of products in the die and improve the processing quality of the products.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a mold closing of a reverse slider molding apparatus in a reverse slider molding and stripping method.
Fig. 2 is a partial enlarged view at a in fig. 1.
Fig. 3 is a schematic drawing of the reverse slider molding device in the reverse slider molding and stripping method.
Legend description:
1. an upper die mechanism; 11. an upper die holder; 12. a stop plate; 121. a first self-lubricating wear plate; 13. a stripper plate; 131. shaping the seeds; 132. a seed inlet; 14. a punch; 15. a guide leg; 16. a guide post; 161. guide sleeve; 17. a contour sleeve; 18. an upper limiting block; 2. a lower die mechanism; 21. a lower die holder; 22. a driving block; 23. a sliding block; 24. a lower template; 25. a lower die forming punch; 26. a second self-lubricating wear plate; 27. a third self-lubricating wear plate; 28. a lower limiting block; 3. a first elastic member; 4. a second elastic member; 5. a third elastic member; 6. a fourth elastic member; 7. wear plates.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, the present invention provides a technical solution: a reverse slider forming and stripping method comprises the following steps:
1) Placing the product on the lower die plate 24, descending the upper die mechanism 1, and pressing the product on the lower die plate 24 by a stripper plate 13 at the bottom of the upper die mechanism 1;
2) The upper die mechanism 1 continues to descend, and the stripper plate 13 compresses the product under the action of the first elastic component 3;
3) The upper die mechanism 1 continues to move downwards, the punch 14 contacts the driving block 22 and forces the driving block 22 to move downwards, the driving block 22 contacts the first inclined surface of the sliding block 23 through the second inclined surface and forces the sliding block 23 to move along the bottom surface of the die cavity, and the third inclined surface of the sliding block 23 contacts the bottom surface of the lower die forming punch 25 and forces the lower die forming punch 25 to move upwards;
4) The upper die mechanism 1 continues to descend, the lower die forming punch 25 contacts with the product and forces the product to yield and deform in the forming insert 131, the insert 132 in the forming insert 131 is extruded by the lower die forming punch 25 to ascend, and upward flanging of the product is completed;
5) The upper die mechanism 1 moves upwards, the stripper plate 13 keeps a product pressing state under the action of the first elastic component 3, the punch 14 moves upwards, the driving block 22 breaks away from the pressing of the punch 14 and returns upwards under the action of the third elastic component 5, the sliding block 23 breaks away from the pressing of the driving block 22 and returns under the action of the fourth elastic component 6, the lower die forming punch 25 breaks away from the pressing of the sliding block 23 and moves downwards, and the insert 132 butts against a product under the action of the second elastic component 4;
6) The upper die mechanism 1 continues to ascend, the stripper plate 13 is separated from the product, and the product is stripped under the pushing of the inlet 132;
the method is realized by a reverse slide block forming device, the reverse slide block forming device comprises an upper die mechanism 1 and a lower die mechanism 2, the upper die mechanism 1 comprises an upper die holder 11, a stop plate 12, a stripper plate 13 and a punch 14, the stop plate 12 is elastically connected to the upper die holder 11 through a first elastic component 3, the stripper plate 13 is fixedly arranged on the stop plate 12, a forming insert 131 and an insert 132 are arranged at the bottom of the stripper plate 13, the insert 132 is arranged in the forming insert 131, the insert 132 is elastically connected to the stop plate 12 through a second elastic component 4, and the punch 14 is fixedly arranged on the upper die holder 11; the lower die mechanism 2 comprises a lower die holder 21, a driving block 22, a sliding block 23, a lower die plate 24 and a lower die forming punch 25, a die cavity is formed in the lower die holder 21, the driving block 22 is elastically connected to the bottom surface of the die cavity through a third elastic component 5, the driving block 22 is correspondingly arranged below the punch 14, the sliding block 23 is elastically connected to the side wall of the die cavity through a fourth elastic component 6, a first inclined surface arranged at the end part of the sliding block 23 abuts against a second inclined surface on one side of the driving block 22, the lower die plate 24 is fixedly arranged on the lower die holder 21, the lower die forming punch 25 penetrates through the lower die plate 24, the bottom surface of the lower die forming punch 25 abuts against a third inclined surface arranged on the sliding block 23, and the lower die forming punch 25 is correspondingly arranged below the insert 132. The first elastic component 3, the second elastic component 4, the third elastic component 5 and the fourth elastic component 6 are all nitrogen springs, so that the compression effect of products and the stripping effect during die opening are ensured.
The upper die mechanism 1 further comprises guide legs 15, the guide legs 15 are fixedly arranged on the upper die holder 11, through holes with positions corresponding to the guide legs 15 are formed in the stop plates 12, first self-lubricating wear-resistant plates 121 which are symmetrically arranged are arranged on opposite side walls of the through holes, the first self-lubricating wear-resistant plates 121 are propped against the guide legs 15, the guide legs 15 are arranged to prevent die damage caused by large lateral force during forming, and product forming quality is improved. And the guide legs 15 ensure the guide accuracy by being engaged with the two first self-lubricating wear plates 121.
The baffle plate 12 is also provided with a guide post 16, the upper die holder 11 is provided with a guide sleeve 161 corresponding to the guide post 16 in position, the guide post 16 is slidably connected in the guide sleeve 161, the guide post 16, the guide legs 15 and the punch 14 are arranged on two sides of the forming insert 131, the punch 14 props against the driving block 22, the driving block 22 drives the sliding block 23 and the lower die forming punch 25 to realize upward flanging, and therefore, the arrangement of the guide post 16 and the guide legs 15 can effectively prevent overlarge lateral force and ensure guide precision. The guide sleeve 161 is a self-lubricating guide sleeve, so that the service life is prolonged.
The upper die holder 11 is also provided with a uniform-height sleeve 17, the uniform-height sleeve 17 is arranged on the stop plate 12 in a penetrating way, and the bottom end of the uniform-height sleeve 17 pulls the stop plate 12 when the upper die mechanism 1 is completely separated from the lower die mechanism 2, so that the stop plate 12 is prevented from being separated from the upper die holder 11.
The driving block 22 penetrates through the lower die plate 24, a second self-lubricating wear-resisting plate 26 is arranged in the lower die plate 24, the second self-lubricating wear-resisting plate 26 abuts against the side face of the driving block 22, the lower die plate 24 limits the movement track of the driving block 22, the second self-lubricating wear-resisting plate 26 enables the driving block 22 to move smoothly, and the flanging forming quality of products is guaranteed.
The side wall of the cavity is provided with a third self-lubricating wear-resisting plate 27, the third self-lubricating wear-resisting plate 27 is propped against the side face of the driving block 22, and the second self-lubricating wear-resisting plate 26 and the third self-lubricating wear-resisting plate 27 form a guiding system, so that the driving block 22 can move smoothly, and the flanging forming quality of a product is further ensured.
The bottom surface of the cavity is also provided with a wear-resistant plate 7, and a sliding block 23 is connected on the wear-resistant plate 7 in a sliding way. The wear-resisting plate 7 is a steel wear-resisting plate, the sliding block 23 is a copper sliding block, the service life of the device is prolonged, the sliding block 23 slides smoothly, and the flanging forming quality of a product is guaranteed.
The upper die holder 11 is also provided with an upper limiting block 18, the lower die holder 21 is provided with a lower limiting block 28 with a position corresponding to the upper limiting block 18, the upper limiting block 18 limits the upper movement of the baffle plate 12, the first elastic component 3 is prevented from being excessively compressed, the lower limiting block 28 limits the lower movement of the baffle plate 12, the upper limiting block 18 is matched with the lower limiting block 28, the stroke of the baffle plate 12 is effectively limited, and the compression effect of the stripper plate 13 on the baffle plate 12 on products is ensured.
Working principle: before upward flanging is carried out on a product through a lower die forming punch of a lower die mechanism, the product is fully compressed through a stripper plate, the driving block is pressed downwards through the punch, the driving block presses the sliding block to move, the sliding block presses the lower die forming punch to move upwards, upward flanging of the product is finally realized, irregular running of the product in a die is avoided, and the processing quality of the product is improved. The lower die plate is also provided with a fourth self-lubricating wear-resistant plate, the fourth self-lubricating wear-resistant plate is propped against the side face of the lower die forming punch, when the lower die forming punch moves up and down in the lower die plate, the fourth self-lubricating wear-resistant plate not only plays a role in guiding, but also limits the upward stroke of the lower die forming punch (after the lower die forming punch moves up a certain distance, the step face of the side face of the lower die forming punch can prop against the bottom of the fourth self-lubricating wear-resistant plate, and the lower die forming punch cannot go up continuously). Therefore, the lower die plate can effectively control the running track of the lower die forming punch, avoid irregular running of products in the die and improve the processing quality of the products.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (9)
1. The reverse slide block forming and stripping method is characterized by comprising the following steps of:
1) Placing a product on a lower die plate (24), and descending an upper die mechanism (1), wherein a stripper plate (13) at the bottom of the upper die mechanism (1) presses the product on the lower die plate (24);
2) The upper die mechanism (1) continues to descend, and the stripper plate (13) compresses the product under the action of the first elastic component (3);
3) The upper die mechanism (1) continues to move downwards, the punch (14) contacts the driving block (22) and presses the driving block to move downwards, the driving block (22) contacts the first inclined surface of the sliding block (23) through the second inclined surface and forces the sliding block (23) to move along the bottom surface of the die cavity, and the third inclined surface of the sliding block (23) contacts the bottom surface of the lower die forming punch (25) and presses the lower die forming punch (25) to move upwards;
4) The upper die mechanism (1) continues to descend, the lower die forming punch (25) is in contact with a product and forces the product to yield and deform in the forming insert (131), and the insert (132) in the forming insert (131) is extruded by the lower die forming punch (25) to ascend to finish upward flanging of the product;
5) The upper die mechanism (1) moves upwards, the stripper plate (13) keeps a product pressing state under the action of the first elastic component (3), the punch (14) moves upwards, the driving block (22) is separated from the pressing of the punch (14) and returns upwards under the action of the third elastic component (5), the sliding block (23) is separated from the pressing of the driving block (22) and returns under the action of the fourth elastic component (6), the lower die forming punch (25) is separated from the pressing of the sliding block (23) and moves downwards, and the insert (132) supports against a product under the action of the second elastic component (4);
6) The upper die mechanism (1) continues to ascend, the stripper plate (13) is separated from the product, and the product is stripped under the pushing of the inlet (132);
the method is realized through a reverse slide block forming device, the reverse slide block forming device comprises an upper die mechanism (1) and a lower die mechanism (2), the upper die mechanism (1) comprises an upper die holder (11), a stop plate (12), a stripper plate (13) and a punch (14), the stop plate (12) is elastically connected to the upper die holder (11) through a first elastic component (3), the stripper plate (13) is fixedly arranged on the stop plate (12), a forming insert (131) and an insert (132) are arranged at the bottom of the stripper plate (13), the insert (132) is elastically connected to the stop plate (12) through a second elastic component (4), and the punch (14) is fixedly arranged on the upper die holder (11); the lower die mechanism (2) comprises a lower die holder (21), a driving block (22), a sliding block (23), a lower die plate (24) and a lower die forming punch (25), wherein a die cavity is formed in the lower die holder (21), the driving block (22) is elastically connected to the bottom surface of the die cavity through a third elastic part (5), the driving block (22) is correspondingly arranged below the punch (14), the sliding block (23) is elastically connected to the side wall of the die cavity through a fourth elastic part (6), a first inclined surface arranged at the end part of the sliding block (23) is abutted to a second inclined surface on one side of the driving block (22), the lower die plate (24) is fixedly arranged on the lower die holder (21), the lower die forming punch (25) is arranged in a penetrating mode on the lower die plate (24), the bottom surface of the lower die forming punch (25) is abutted to the third inclined surface arranged on the sliding block (23), and the position of the lower die forming punch (25) is correspondingly arranged below the insert (132);
the lower die plate (24) is further provided with a fourth self-lubricating wear-resisting plate, the fourth self-lubricating wear-resisting plate is propped against the side face of the lower die forming punch (25), and the side face of the lower die forming punch (25) is provided with a step face.
2. The reverse slider forming and stripping method according to claim 1, characterized in that the upper die mechanism (1) further comprises guide legs (15), the guide legs (15) are fixedly installed on the upper die holder (11), and through holes corresponding to the guide legs (15) in position are formed in the stop plate (12).
3. The reverse slider forming and stripping method according to claim 2, characterized in that first self-lubricating wear plates (121) are symmetrically arranged on opposite side walls of the through hole, and the first self-lubricating wear plates (121) are abutted against the guide legs (15).
4. The reverse slider forming and stripping method according to claim 1, characterized in that the stop plate (12) is further provided with a guide post (16), the upper die holder (11) is provided with a guide sleeve (161) corresponding to the guide post (16), and the guide post (16) is slidably connected in the guide sleeve (161).
5. The reverse slider forming and stripping method according to claim 1, characterized in that the upper die holder (11) is further provided with a contour sleeve (17), and the contour sleeve (17) is penetrated through the stop plate (12).
6. The reverse slider forming and stripping method according to claim 1, wherein the driving block (22) is arranged through the lower die plate (24), a second self-lubricating wear-resisting plate (26) is arranged in the lower die plate (24), and the second self-lubricating wear-resisting plate (26) abuts against the side face of the driving block (22).
7. The reverse slider forming and stripping method according to claim 1, characterized in that a third self-lubricating wear-resistant plate (27) is arranged on the side wall of the cavity, and the third self-lubricating wear-resistant plate (27) is abutted against the side face of the driving block (22).
8. The reverse slider forming and stripping method according to claim 1, characterized in that a wear plate (7) is further arranged on the bottom surface of the cavity, and the sliding block (23) is slidingly connected to the wear plate (7).
9. The reverse slider forming and stripping method according to claim 1, characterized in that an upper limit block (18) is further arranged on the upper die holder (11), and a lower limit block (28) corresponding to the upper limit block (18) in position is arranged on the lower die holder (21).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110888909.5A CN113560447B (en) | 2021-08-03 | 2021-08-03 | Reverse slider forming and stripping method |
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| CN202110888909.5A CN113560447B (en) | 2021-08-03 | 2021-08-03 | Reverse slider forming and stripping method |
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| CN114632855A (en) * | 2022-03-15 | 2022-06-17 | 深圳数码模汽车技术有限公司 | Forming device with reverse sliding block structure and forming method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07256395A (en) * | 1994-03-18 | 1995-10-09 | Sintokogio Ltd | Device for reversing lower die set of molding equipment |
| JP2003145224A (en) * | 2001-11-09 | 2003-05-20 | Nissan Motor Co Ltd | Method and device for press forming |
| CN103447338B (en) * | 2013-07-31 | 2016-02-10 | 霍山汇能汽车零部件制造有限公司 | A kind of indirect-extrusion mould and apply it and process spirochetal process |
| CN204867093U (en) * | 2015-07-24 | 2015-12-16 | 厦门市昕圣机电工业有限公司 | Reverse slider shaping structure mold |
| CN106825243B (en) * | 2017-03-03 | 2019-04-26 | 深圳数码模汽车技术有限公司 | A kind of stamping die with rotation positioning molding device in mould |
| JP6888470B2 (en) * | 2017-08-04 | 2021-06-16 | トヨタ紡織株式会社 | Press processing equipment and press processing method for metal plate materials |
| CN210911256U (en) * | 2019-08-19 | 2020-07-03 | 苏州莱克思拓汽车科技有限公司 | Reverse forming structure |
| CN211464537U (en) * | 2019-12-26 | 2020-09-11 | 上海诚烨汽车零部件有限公司 | Stamping forming die structure with reverse slide wedge mechanism |
| CN212917275U (en) * | 2020-07-22 | 2021-04-09 | 常熟硕诚模具制造有限公司 | Stamping die with location anticreep function |
| CN112828113A (en) * | 2021-02-09 | 2021-05-25 | 无锡普泽精密机械有限公司 | Novel hydraulic press |
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