CN114632855A - Forming device with reverse sliding block structure and forming method - Google Patents
Forming device with reverse sliding block structure and forming method Download PDFInfo
- Publication number
- CN114632855A CN114632855A CN202210256111.3A CN202210256111A CN114632855A CN 114632855 A CN114632855 A CN 114632855A CN 202210256111 A CN202210256111 A CN 202210256111A CN 114632855 A CN114632855 A CN 114632855A
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- China
- Prior art keywords
- wedge
- wedge block
- template
- block
- die holder
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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
- B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of 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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
Abstract
The invention discloses a forming device with a reverse sliding block structure, which belongs to the technical field of stamping dies and comprises an upper die holder, a lower die holder, an upper template, a lower template and a sliding block mechanism, wherein the upper die holder is positioned above the lower die holder; when the die is closed by the upper die base and the lower die base, a preliminary step is formed between the upper die plate and the lower die plate, the lower die plate continues to press the second wedge block downwards, the inclined surface of the second wedge block acts on the first wedge block, and the inclined surface of the first wedge block acts on the third wedge block, so that a reverse sliding block structure is formed, the vertical downward movement of the second wedge block is converted into the vertical upward movement of the third wedge block, the third wedge block is punched into the groove, a workpiece is punched, a step structure with uniform material flow is formed, the structural uniformity of a product is greatly improved, and the structural stability is strong.
Description
Technical Field
The invention belongs to the technical field of stamping dies, and particularly relates to a forming device with a reverse sliding block structure and a forming method.
Background
The stamping die is a special process equipment for processing materials into parts in cold stamping processing, and is called as a cold stamping die. Stamping is a press working method in which a die mounted on a press is used to apply pressure to a material at room temperature to cause separation or plastic deformation of the material, thereby obtaining a desired part.
At present, in the use process of a stamping die, an upper die base usually moves towards the direction of a lower die base, so that when a product with a multi-step structure is aimed at, downward stamping can be directly applied to a workpiece, so that material flowing between steps of the step structure is rapid, the product structure is uneven, and the stability of the structure stability is poor.
Disclosure of Invention
The invention aims to: the forming device and the forming method with the reverse sliding block structure are provided for solving the problems of uneven material flow, uneven product structure and poor structural stability caused by the fact that an upper die and a lower die are directly used for punch forming of a step structure of a workpiece.
On one hand, in order to achieve the purpose, the invention adopts the following technical scheme: the forming device with the reverse sliding block structure comprises an upper die base, a lower die base, an upper die plate, a lower die plate and a sliding block mechanism, wherein the upper die base is located above the lower die base, the upper die plate is connected to the bottom of the upper die base, the lower die plate is fixedly connected to the top of the lower die plate, a plurality of guide pillars are arranged on the lower die base, the upper die plate and the upper die base are arranged on the guide pillars in a sliding mode, the upper die plate is attached to the lower die plate, a mounting groove is formed in the top of the lower die base, the sliding block mechanism is arranged in the mounting groove, the sliding block mechanism penetrates through the lower die plate, and the upper die plate abuts against the sliding block mechanism.
As a further description of the above technical solution:
the slider mechanism comprises a first wedge block, a second wedge block and a third wedge block, the top surface and the bottom surface of the first wedge block are respectively attached to the bottom surface of the lower template and the bottom surface of the mounting groove, the first wedge block slides along the horizontal direction, the second wedge block and the third wedge block are arranged in the lower template in a sliding mode along the vertical direction, the second wedge block and the third wedge block are respectively located on two opposite sides of the first wedge block, the inclined surface of the second wedge block abuts against the inclined surface of the first wedge block, and the inclined surface of the third wedge block abuts against the inclined surface of the first wedge block.
As a further description of the above technical solution:
and a first spring is connected between the first wedge block and the side surface of the mounting groove, a second spring is connected between the second wedge block and the bottom surface of the mounting groove, and the first spring is positioned below the third wedge block.
As a further description of the above technical solution:
a groove is formed in the bottom surface of the upper template, and the third wedge block is inserted into the groove.
As a further description of the above technical solution:
be provided with the bolster in the cope match-plate pattern, the bolster extends to in the recess, the bolster is spring or oil buffer.
As a further description of the above technical solution:
the slopes of two inclined planes on the first wedge block are opposite.
As a further description of the above technical solution:
the surfaces of the first wedge block, the second wedge block and the third wedge block are all provided with Teflon coatings.
On the other hand, in order to achieve the above object, the present invention adopts the following method: a molding method with a reverse slider structure comprises the following steps:
1) when the die is in an open state, the top surface of the third wedge block is superposed with the top surface of the lower template;
2) placing a workpiece on the lower template;
3) when the die starts to be closed, the upper die base approaches to the lower die base, the upper die base and the upper die plate slide along the guide pillar, the upper die plate starts to contact a workpiece, and the upper die plate and the lower die plate are dislocated to enable the local arch of the workpiece to be raised;
4) the upper template continuously presses the second wedge block downwards, the second wedge block slides downwards along the vertical direction, the second spring is compressed at the moment, the inclined surface of the second wedge block presses the inclined surface on the first wedge block, so that the first wedge block slides along the horizontal direction, the first spring is compressed at the moment, the inclined surface of the first wedge block presses the inclined surface on the third wedge block, so that the third wedge block slides upwards along the vertical direction, the third wedge block is inserted into the groove, a workpiece is arched or flanged upwards under the action of the third wedge block, and the buffer part is compressed at the moment;
5) and opening the die again, elastically resetting the buffer piece to eject the workpiece out of the groove, taking the workpiece out of the space between the upper template and the lower template, resetting the second wedge block under the elastic action of the second spring, and resetting the first wedge block under the elastic action of the first spring.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
according to the invention, when the die is closed by the upper die base and the lower die base, a preliminary step is formed between the upper die plate and the lower die plate, the lower die plate continues to press the second wedge block downwards, the inclined surface of the second wedge block acts on the first wedge block, and the inclined surface of the first wedge block acts on the third wedge block, so that a reverse sliding block structure is formed, the vertical downward movement of the second wedge block is converted into the vertical upward movement of the third wedge block, so that the third wedge block is punched into the groove, a workpiece is punched, a step structure with uniform material flow is formed, the structural uniformity of a product is greatly improved, and the structural stability is strong.
Drawings
Fig. 1 is a schematic view of a mold closing structure of a molding apparatus having a reverse slide structure.
Fig. 2 is a schematic view of a mold opening structure of a molding device with a reverse slide block structure.
FIG. 3 is a flow chart of a method of forming a slider structure having a reverse direction.
Illustration of the drawings:
1. an upper die holder; 2. a lower die holder; 3. mounting a template; 4. a lower template; 5. a slider mechanism; 51. a first wedge; 52. a second wedge; 53. a third wedge block; 6. a guide post; 7. mounting grooves; 8. a first spring; 9. a second spring; 10. a groove; 11. a buffer.
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. 1-2, the present invention provides a technical solution: a forming device with a reverse sliding block structure and a forming method thereof comprise an upper die holder 1, a lower die holder 2, an upper template 3, a lower template 4 and a sliding block mechanism 5, wherein the upper die holder 1 is positioned above the lower die holder 2, the upper template 3 is connected to the bottom of the upper die holder 1, the lower template 4 is fixedly connected to the top of the lower template 4, a plurality of guide posts 6 are arranged on the lower die holder 2, the upper template 3 and the upper die holder 1 are slidably arranged on the guide posts 6, the upper template 3 is attached to the lower template 4, an installation groove 7 is arranged at the top of the lower die holder 2, the sliding block mechanism 5 is arranged in the installation groove 7, the sliding block mechanism 5 penetrates through the lower template 4, and the upper template 3 abuts against the sliding block mechanism 5;
the slide block mechanism 5 comprises a first wedge block 51, a second wedge block 52 and a third wedge block 53, wherein the top surface and the bottom surface of the first wedge block 51 are respectively attached to the bottom surface of the lower template 4 and the bottom surface of the mounting groove 7, the first wedge block 51 slides along the horizontal direction, the second wedge block 52 and the third wedge block 53 are both arranged in the lower template 4 in a sliding manner along the vertical direction, the second wedge block 52 and the third wedge block 53 are respectively positioned at two opposite sides of the first wedge block 51, the inclined surface of the second wedge block 52 is abutted against the inclined surface of the first wedge block 51, and the inclined surface of the third wedge block 53 is abutted against the inclined surface of the first wedge block 51;
a first spring 8 is connected between the first wedge 51 and the side surface of the mounting groove 7, a second spring 9 is connected between the second wedge 52 and the bottom surface of the mounting groove 7, and the first spring 8 is positioned below the third wedge 53;
a groove 10 is formed in the bottom surface of the upper template 3, and the third wedge 53 is inserted into the groove 10;
a buffer part 11 is arranged in the upper template 3, the buffer part 11 extends into the groove 10, and the buffer part 11 is a spring or an oil buffer;
the slope directions of the two inclined surfaces on the first wedge block 51 are opposite;
the surfaces of the first wedge block, the second wedge block and the third wedge block are all provided with Teflon coatings, Teflon has the functions of wear resistance and sliding guide, and the smooth interaction among the first wedge block, the second wedge block and the third wedge block is guaranteed.
The working principle is as follows: firstly, when the mold is in an open state, the top surface of the third wedge 53 is overlapped with the top surface of the lower die holder 4, secondly, a workpiece is placed on the lower die holder 4, secondly, when the mold starts to close, the upper die holder 1 approaches towards the lower die holder 2, the upper die holder 1 and the upper die plate 3 slide along the guide post 6, the upper die plate 3 starts to contact the workpiece, the upper die plate 3 and the lower die plate 4 are dislocated to enable the workpiece to be partially arched, the upper die plate 3 continuously presses the second wedge 52 downwards, the second wedge 52 slides downwards along the vertical direction, at the moment, the second spring 9 is compressed, the inclined surface of the second wedge 52 presses the inclined surface on the first wedge 51, so that the first wedge 51 slides along the horizontal direction, at the moment, the first spring 8 is compressed, the inclined surface of the first wedge 51 presses the inclined surface on the third wedge 53, so that the third wedge 53 slides upwards along the vertical direction, the third wedge 53 is inserted into the groove 10, the workpiece is arched or flanged upwards under the action of the third wedge 53, the buffer 11 is compressed at the moment, finally, the mold is opened again, the buffer 11 elastically resets to eject the workpiece out of the groove 10, the workpiece is taken out from between the upper template 3 and the lower template 4, the second wedge 52 resets under the elastic action of the second spring 9, and the first wedge 51 resets under the elastic action of the first spring 8.
Referring to fig. 3, the present invention provides a technical solution: a molding method with a reverse slider structure comprises the following steps:
s01: when the mold is in an open state, the top surface of the third wedge 53 is superposed with the top surface of the lower template 4;
s02: placing a workpiece on the lower template 4;
s03: when the die starts to be closed, the upper die holder 1 approaches to the lower die holder 2, the upper die holder 1 and the upper template 3 slide along the guide pillar 6, the upper template 3 starts to contact with a workpiece, and the upper template 3 and the lower template 4 are dislocated to enable the local arch of the workpiece to be raised;
s04: the upper template 3 continuously presses the second wedge block 52 downwards, the second wedge block 52 slides downwards along the vertical direction, the second spring 9 is compressed at the moment, the inclined surface of the second wedge block 52 presses the inclined surface on the first wedge block 51, so that the first wedge block 51 slides along the horizontal direction, the first spring 8 is compressed at the moment, the inclined surface of the first wedge block 51 presses the inclined surface on the third wedge block 53, so that the third wedge block 53 slides upwards along the vertical direction, the third wedge block 53 is inserted into the groove 10, the workpiece is arched or flanged upwards under the action of the third wedge block 53, and the buffer piece 11 is compressed at the moment;
s05: the die is opened again, the buffer member 11 is elastically reset to eject the workpiece out of the groove 10, the workpiece is taken out from between the upper die plate 3 and the lower die plate 4, the second wedge block 52 is reset under the elastic action of the second spring 9, and the first wedge block 51 is reset under the elastic action of the first spring 8.
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 forming device with reverse slider structure which characterized in that: comprises an upper die holder (1), a lower die holder (2), an upper template (3), a lower template (4) and a sliding block mechanism (5), the upper die holder (1) is positioned above the lower die holder (2), the upper template (3) is connected with the bottom of the upper die holder (1), the lower template (4) is fixedly connected to the top of the lower template (4), a plurality of guide posts (6) are arranged on the lower die holder (2), the upper die plate (3) and the upper die holder (1) are arranged on the guide posts (6) in a sliding manner, the upper template (3) is attached to the lower template (4), an installation groove (7) is formed in the top of the lower die holder (2), the slider mechanism (5) is arranged in the mounting groove (7), the slider mechanism (5) penetrates through the lower template (4), and the upper template (3) abuts against the slider mechanism (5).
2. The molding apparatus having a reverse slider structure according to claim 1, the slide block mechanism (5) comprises a first wedge block (51), a second wedge block (52) and a third wedge block (53), the top surface and the bottom surface of the first wedge block (51) are respectively attached to the bottom surface of the lower template (4) and the bottom surface of the mounting groove (7), the first wedge block (51) slides along the horizontal direction, the second wedge block (52) and the third wedge block (53) are arranged in the lower template (4) in a sliding manner along the vertical direction, the second wedge (52) and the third wedge (53) are respectively located on opposite sides of the first wedge (51), the inclined surface of the second wedge (52) is pressed against the inclined surface of the first wedge (51), the inclined surface of the third wedge (53) abuts against the inclined surface of the first wedge (51).
3. A molding device with a reverse slider structure according to claim 2, characterized in that a first spring (8) is connected between the first wedge (51) and the side surface of the mounting groove (7), a second spring (9) is connected between the second wedge (52) and the bottom surface of the mounting groove (7), and the first spring (8) is located below the third wedge (53).
4. The forming device with the inverted slide block structure as claimed in claim 2, wherein the bottom surface of the upper die plate (3) is provided with a groove (10), and the third wedge block (53) is inserted into the groove (10).
5. The forming device with the reverse sliding block structure according to claim 4, wherein a buffer member (11) is arranged in the upper die plate (3), the buffer member (11) extends into the groove (10), and the buffer member (11) is a spring or an oil pressure buffer.
6. The molding apparatus having a reverse slide structure according to claim 2, wherein the slopes of the two slopes on the first wedge (51) are opposite.
7. The molding apparatus having a reverse slide structure according to claim 2, wherein the surfaces of the first wedge (51), the second wedge (52) and the third wedge (53) are provided with teflon coatings.
8. A forming method with a reverse sliding block structure is characterized by comprising the following steps:
1) when the die is in an open state, the top surface of the third wedge block (53) is superposed with the top surface of the lower template (4);
2) placing a workpiece on the lower template (4);
3) when the die starts to be closed, the upper die holder (1) approaches to the lower die holder (2), the upper die holder (1) and the upper template (3) slide along the guide post (6), the upper template (3) starts to contact a workpiece, and the upper template (3) and the lower template (4) are dislocated to enable the workpiece to be locally arched;
4) the upper template (3) continuously presses the second wedge block (52), the second wedge block (52) slides downwards along the vertical direction, the second spring (9) is compressed, the inclined surface of the second wedge block (52) presses the inclined surface of the first wedge block (51), so that the first wedge block (51) slides along the horizontal direction, the first spring (8) is compressed, the inclined surface of the first wedge block (51) presses the inclined surface of the third wedge block (53), so that the third wedge block (53) slides upwards along the vertical direction, the third wedge block (53) is inserted into the groove (10), the workpiece is arched or flanged upwards under the action of the third wedge block (53), and the buffer piece (11) is compressed;
5) the die is opened again, the buffer piece (11) elastically resets to eject the workpiece out of the groove (10), the workpiece is taken out of the space between the upper die plate (3) and the lower die plate (4), the second wedge block (52) resets under the elastic action of the second spring (9), and the first wedge block (51) resets under the elastic action of the first spring (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210256111.3A CN114632855A (en) | 2022-03-15 | 2022-03-15 | Forming device with reverse sliding block structure and forming method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210256111.3A CN114632855A (en) | 2022-03-15 | 2022-03-15 | Forming device with reverse sliding block structure and forming method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114632855A true CN114632855A (en) | 2022-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210256111.3A Pending CN114632855A (en) | 2022-03-15 | 2022-03-15 | Forming device with reverse sliding block structure and forming method |
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| CN (1) | CN114632855A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170216903A1 (en) * | 2015-05-28 | 2017-08-03 | Chengdu Homin Technology Co., Ltd | Device for assembling products in die |
| CN107511425A (en) * | 2017-08-23 | 2017-12-26 | 柳州劲胜科技有限公司 | Punched pipefitting necking die |
| CN208976601U (en) * | 2018-08-30 | 2019-06-14 | 宁波贝隆精密模塑有限公司 | A kind of stamping die for reversely cutting off structure with double-slider |
| CN212442757U (en) * | 2020-06-16 | 2021-02-02 | 东莞市铭瑞精密五金科技有限公司 | Galvanized sheet work piece is beaten convex closure device |
| CN212822202U (en) * | 2020-08-12 | 2021-03-30 | 广东立德盟科技有限公司 | Cylindrical workpiece buckling position forming die |
| CN212945006U (en) * | 2020-04-03 | 2021-04-13 | 广东精茂健康科技股份有限公司 | Four-way stamping die for pipe body |
| CN112692140A (en) * | 2021-01-08 | 2021-04-23 | 王蒙 | Automobile plate spring processing equipment |
| CN113560447A (en) * | 2021-08-03 | 2021-10-29 | 重庆数码模车身模具有限公司 | Reverse sliding block forming and stripping method |
-
2022
- 2022-03-15 CN CN202210256111.3A patent/CN114632855A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170216903A1 (en) * | 2015-05-28 | 2017-08-03 | Chengdu Homin Technology Co., Ltd | Device for assembling products in die |
| CN107511425A (en) * | 2017-08-23 | 2017-12-26 | 柳州劲胜科技有限公司 | Punched pipefitting necking die |
| CN208976601U (en) * | 2018-08-30 | 2019-06-14 | 宁波贝隆精密模塑有限公司 | A kind of stamping die for reversely cutting off structure with double-slider |
| CN212945006U (en) * | 2020-04-03 | 2021-04-13 | 广东精茂健康科技股份有限公司 | Four-way stamping die for pipe body |
| CN212442757U (en) * | 2020-06-16 | 2021-02-02 | 东莞市铭瑞精密五金科技有限公司 | Galvanized sheet work piece is beaten convex closure device |
| CN212822202U (en) * | 2020-08-12 | 2021-03-30 | 广东立德盟科技有限公司 | Cylindrical workpiece buckling position forming die |
| CN112692140A (en) * | 2021-01-08 | 2021-04-23 | 王蒙 | Automobile plate spring processing equipment |
| CN113560447A (en) * | 2021-08-03 | 2021-10-29 | 重庆数码模车身模具有限公司 | Reverse sliding block forming and stripping method |
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