CN210632764U - Negative angle bending forming die - Google Patents
Negative angle bending forming die Download PDFInfo
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- CN210632764U CN210632764U CN201921510115.XU CN201921510115U CN210632764U CN 210632764 U CN210632764 U CN 210632764U CN 201921510115 U CN201921510115 U CN 201921510115U CN 210632764 U CN210632764 U CN 210632764U
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- lower die
- upper die
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Abstract
The utility model discloses a negative angle bending forming die, including upper die part and lower mould part, the upper die part includes upper die base, fixed plate, shaping slider and drive block, the outside of shaping slider is equipped with shaping inner inclined plane, the inboard of shaping slider is equipped with the direction forked tail, be equipped with in the fixed plate with direction forked tail complex guide way, but shaping slider slidable mounting is in the fixed plate, shaping slider top is equipped with the push rod, the top of push rod is located the upper die base, the top of push rod is equipped with first spring, the drive block is connected to the upper die base, the drive block is equipped with the drive inclined plane; the lower die part comprises a lower die base, a lower die plate, a fixing block and a forming push block, the fixing block is arranged on the side edge of the lower die plate, a forming outer inclined plane is arranged on the inner side of the forming push block, a pushed inclined plane matched with the driving inclined plane is arranged on the outer side of the forming push block, the forming push block is connected with a screw rod, the screw rod is provided with a second spring, and the forming push block is slidably mounted on the fixing block. The utility model discloses can once accomplish the negative angle shaping of bending, efficient, with low costs.
Description
Technical Field
The utility model relates to a stamping die field, more specifically relates to negative angle forming die that bends.
Background
In stamping, the parts are subjected to overlapping, welding and assembling conditions, and the like, so that a plurality of vertical edges forming negative angles relative to the large plane of the parts are involved. In the process of designing a stamping die, in order to complete flanging forming with a small negative angle formed by vertical edges, in the prior art, negative angle bending forming is completed through two processes, as shown in fig. 1, first-order 90-degree right-angle forming and second-order negative angle forming. The process can increase the cost and reduce the production efficiency, and the stability of product molding is poor by two processes.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides an efficient, with low costs and be convenient for the fashioned negative angle forming die that bends of product stability.
According to an aspect of the utility model, a negative angle bending forming die is provided, it includes upper die part and lower mould part, the upper die part includes the upper die base, the fixed plate, shaping slider and drive block, the fixed plate is located the below of upper die base, the outside of shaping slider is equipped with the shaping internal inclined plane, the inboard of shaping slider is equipped with the direction forked tail, be equipped with the guide way with direction forked tail complex in the fixed plate, but shaping slider slidable mounting is in the fixed plate, the top of shaping slider is equipped with the push rod, the top of push rod is located the upper die base, the top of push rod is equipped with first spring, the drive block is connected to the upper die base, the drive block is equipped with; the lower die part comprises a lower die base, a lower die plate, a fixing block and a forming push block, the lower die plate is arranged above the lower die base, the fixing block is arranged on the side edge of the lower die plate, the inner side of the forming push block is provided with a forming outer inclined plane, the outer side of the forming push block is provided with a pushed inclined plane matched with the driving inclined plane, the forming push block is connected with a screw rod, the tail end of the screw rod is provided with a second spring, and the forming push block can be slidably mounted on the fixing block; when the die is closed in place, the forming inner inclined plane and the forming outer inclined plane bend the edge of the product to complete negative angle forming.
In some embodiments, the upper die part further comprises a limiting pressing block, the limiting pressing block is arranged in the fixing plate, the forming sliding block is provided with a pressing block receding groove, and one end of the limiting pressing block is located in the pressing block receding groove.
In some embodiments, the side of fixed block is equipped with the stopper, and the stopper is equipped with a through-hole and supplies the screw pole to pass, and shaping ejector pad and second spring are located the both sides of stopper respectively, and the second spring overcoat is equipped with the spring housing, and the fixed block is equipped with fixed guide block, and the shaping ejector pad is equipped with waist type hole, fixed guide block runs through waist type hole.
In some embodiments, the waist-shaped hole is provided with two positions, the fixed guide block, the screw rod and the second spring are provided with two groups, and the pushed inclined plane is positioned between the two groups of screw rods.
In some embodiments, an upper backing plate is arranged between the fixing plate and the upper die base, and a lower backing plate is arranged between the lower die plate and the lower die base.
In some embodiments, the lower die part further comprises a stop block, the stop block is fixed on the lower die base, an insert is arranged on the inner side of the stop block, and the insert is abutted against the driving block when the die is closed.
The utility model has the advantages that: the utility model discloses simple structure, scientific and reasonable, during the compound die, the product is placed on the lower bolster, the whole downward movement that lasts of upper die part, shaping slider contact product upper surface, utilize the drive inclined plane of drive block and the cooperation of the inclined plane that is pushed away of shaping ejector pad, the drive block promotes the shaping ejector pad to move towards the product gradually, the second spring is compressed, simultaneously, first spring is compressed, the shaping slider retracts into the fixed plate and slides towards the product edge along the guide way gradually, when the compound die targets in place, shaping inner inclined plane and shaping outer inclined plane bend the product edge and accomplish negative angle shaping; when the die is opened, the whole upper die part continuously moves upwards, the second spring is gradually released, the forming push block gradually retreats, meanwhile, the first spring is gradually released, the forming slide block gradually extends out of the fixed plate along the guide groove and gradually keeps away from the edge of a product, in the process, the lower surface of the forming slide block constantly presses the surface of the product, and when the upper die and the lower die are completely separated, the product is taken down; by adopting the die structure, the negative angle forming can be completed in one process, the production efficiency is greatly improved, a pair of dies is also saved, the production cost is saved, and the stability of the whole die is good.
Drawings
FIG. 1 is a schematic view of a process for implementing negative angle bending molding by a conventional process;
FIG. 2 is a schematic view of a process for forming a negative angle bend by the mold of the present application;
FIG. 3 is a schematic structural view of the negative angle bending mold of the present invention;
FIG. 4 is a schematic view of the internal structure of the present invention in a mold closing state;
fig. 5 is a schematic structural view of the negative angle bending mold according to the present invention in an exploded state;
FIG. 6 is a schematic view of the structure of the fixing plate;
FIG. 7 is a schematic view of a structure of a molded slider.
Detailed Description
The present invention will be further described with reference to the following embodiments.
As shown in fig. 3, the negative angle bending mold according to an embodiment of the present invention includes an upper mold portion and a lower mold portion.
As shown in fig. 4 and 5, the upper die part includes an upper die base 11, a fixed plate 2, a forming slide block 3, a limiting press block 9 and a driving block 4, the fixed plate 2 is disposed below the upper die base 11, an upper backing plate 14 is disposed between the fixed plate 2 and the upper die base 11, the upper backing plate 14 and the fixed plate 2 are fixed by bolts. The outer side of the forming slide block 3 is provided with a forming inner inclined surface 31, as shown in fig. 7, the inner side of the forming slide block 3 is provided with a guide dovetail 32, and a briquetting abdicating groove 33 is formed in the middle position of the guide dovetail 32. The limiting pressing block 9 is installed in the installation position 22 in the fixing plate 2 through a screw, and one end of the limiting pressing block 9 is located in the pressing block abdicating groove 33. As shown in fig. 6, a guide groove 21 matched with the guide dovetail 32 is formed in the fixed plate 2, the forming slide block 3 is slidably mounted on the fixed plate 2, and the limiting pressing block 9 can prevent the forming slide block 3 from completely separating from the fixed plate 2 when the die is opened. The upper die base 11 is provided with a through hole, a push rod 5 is placed in the through hole, the upper portion of the push rod 5 is located in the upper die base 11, a first spring 51 is arranged at the top of the push rod 5, the first spring 51 is installed in the upper die base 11 through a set screw 52, the lower portion of the push rod 5 penetrates through the upper backing plate 14, and the lower end face of the push rod 5 abuts against the upper end face of the forming slide block 3. The driving block 4 is mounted at the bottom of the upper die holder 11 through a bolt, the driving block 4 is provided with a driving inclined surface 41, and the driving inclined surface 41 is positioned at the side close to the forming slide block 3.
The lower die part comprises a lower die base 12, a lower die plate 13, a fixing block 6 and a forming push block 7. The lower template 13 is arranged above the lower die base 12, a lower backing plate 15 is arranged between the lower template 13 and the lower die base 12, and the lower template 13, the lower backing plate 15 and the lower die base 12 are fixed through bolts. The fixing block 6 is mounted on the side edge of the lower template 13 through a bolt, and the limit block 61 is mounted on the side edge of the fixing block 6 through a bolt. The inner side of the forming push block 7 is provided with a forming outer inclined surface 71, and the outer side of the forming push block 7 is provided with a pushed inclined surface 72 matched with the driving inclined surface 41. The molding push block 7 is connected with a lead screw 8, and a second spring 81 is arranged at the tail end of the lead screw 8. The limiting block 61 is provided with a through hole for the screw rod 8 to pass through, the forming push block 7 and the second spring 81 are respectively located on two sides of the limiting block 61, the second spring 81 is sleeved with a spring shell 82, and the spring shell 82 is fixed on the outer side wall of the limiting block 61 through screws. The forming pushing block 7 is slidably mounted on the fixing block 6, specifically, the fixing block 6 is provided with a fixing guide block 62 through a screw, the forming pushing block 7 is provided with a waist-shaped hole 73, the fixing guide block 62 penetrates through the waist-shaped hole 73, the forming pushing block 7 can be controlled to slide relative to the fixing block 6 through the extension and retraction of the second spring 81, and the fixing guide block 62 and the waist-shaped hole 73 form a motion guide track of the forming pushing block 7.
When the die is closed, the upper die part continuously moves downwards, the forming slide block 3 contacts the upper surface of the product, the driving block 4 pushes the forming push block 7 to move towards the product side, meanwhile, the forming slide block 3 gradually retracts into the fixed plate 2 and moves to the edge of the product, when the die is closed in place, the forming inner inclined surface 31 and the forming outer inclined surface 71 bend the edge of the product to finish negative angle forming, and the formed product 100 is as shown in fig. 2.
As shown in fig. 3, in order to improve the moving stability of the forming pushing block 7, two locations are provided in the kidney-shaped hole 73 of one forming pushing block 7, and two sets of the fixed guide block 62, the screw 8, and the second spring 81 are provided to cooperate with the forming pushing block 7, and the pushed inclined surface 72 is located between the two sets of screw 8.
As shown in fig. 4, the thickness of the upper pad 14 and the lower pad 15 can be adjusted according to the overall height set by the mold by the upper pad 14 provided between the fixing plate 2 and the upper mold base 11 and the lower pad 15 provided between the lower mold plate 13 and the lower mold base 12. The lower die holder 12 is also provided with a guide post 16, and the upper die holder 11 is provided with a guide sleeve 17 matched with the guide post.
As shown in fig. 5, the lower mold part further includes a stopper 42, the stopper 42 is fixed to the lower mold base 12, an insert 421 is disposed inside the stopper 42, and when the mold is closed, the insert 421 abuts against the driving block 4. When the mold is closed, an acting force exists between the driving block 4 and the forming pushing block 7, and the stop block 42 can prevent the recoil of the driving block 4 when the mold is closed, so that the stability of the mold is improved. The insert 421 wears and can be replaced.
The utility model discloses a motion process: a product to be processed is placed on the lower template 13, when the die is closed, the whole upper die part continuously moves downwards, the lower end face of the forming slide block 3 contacts the upper surface of the product firstly, the upper die part continuously moves downwards, the first spring 51 is compressed, the forming slide block 3 gradually retracts into the fixed plate 2 along the guide groove 21, the forming slide block 3 slides towards the edge of the product, meanwhile, the driving inclined surface 41 of the driving block 4 is matched with the pushed inclined surface 72 of the forming push block 7, the driving block 4 pushes the forming push block 7 to gradually move towards the side of the product, the second spring 81 is compressed, and when the die is closed in place, the forming inner inclined surface 31 and the forming outer inclined surface 71 bend the edge of the product to finish negative angle forming; when the mold is opened, the whole upper mold part continuously moves upwards, the second spring 81 is gradually released, the forming push block 7 gradually retreats to be away from the product, meanwhile, the first spring 51 is gradually released and props against the forming slide block 3, the forming slide block 3 gradually extends out of the fixing plate 2 along the guide groove 21 and gradually keeps away from the edge of the product, in the process, the lower surface of the forming slide block 3 directly presses the surface of the product, when the upper mold and the lower mold are completely separated, the forming slide block 3 does not press the product, and an operator takes down the product.
The utility model discloses simple structure, scientific and reasonable adopts this mould structure, can accomplish the negative angle shaping by process one, has improved production efficiency greatly, has also saved a pair mould, has practiced thrift manufacturing cost, and the holistic stability of mould is good.
The foregoing is only a few embodiments of the present invention, and it should be noted that, for those skilled in the art, other modifications and improvements can be made without departing from the inventive concept of the present invention, and all of them belong to the protection scope of the present invention.
Claims (6)
1. The negative angle bending forming die comprises an upper die part and a lower die part and is characterized in that,
the die comprises an upper die part and a lower die part, wherein the upper die part comprises an upper die base (11), a fixing plate (2), a forming sliding block (3) and a driving block (4), the fixing plate (2) is arranged below the upper die base (11), a forming inner inclined surface (31) is arranged on the outer side of the forming sliding block (3), a guide dovetail (32) is arranged on the inner side of the forming sliding block (3), a guide groove (21) matched with the guide dovetail (32) is formed in the fixing plate (2), the forming sliding block (3) is slidably mounted on the fixing plate (2), a push rod (5) is arranged at the top of the forming sliding block (3), the top of the push rod (5) is located in the upper die base (11), a first spring (51) is arranged at the top of the push rod (5), the driving block (4) is connected to the upper die base (11), and;
the lower die part comprises a lower die base (12), a lower die plate (13), a fixing block (6) and a forming push block (7), the lower die plate (13) is arranged above the lower die base (12), the fixing block (6) is arranged on the side edge of the lower die plate (13), a forming outer inclined plane (71) is arranged on the inner side of the forming push block (7), a pushed inclined plane (72) matched with the driving inclined plane (41) is arranged on the outer side of the forming push block (7), the forming push block (7) is connected with a screw rod (8), a second spring (81) is arranged at the tail end of the screw rod (8), and the forming push block (7) is slidably mounted on the fixing block (6);
when the die is closed, the upper die part moves downwards continuously, the forming sliding block (3) contacts the upper surface of a product, the driving block (4) pushes the forming pushing block (7) to move towards the product side, meanwhile, the forming sliding block (3) gradually retracts into the fixing plate (2) and moves to the edge of the product, and when the die is closed in place, the forming inner inclined surface (31) and the forming outer inclined surface (71) bend the edge of the product to finish negative angle forming.
2. The negative angle bending forming die according to claim 1, wherein the upper die part further comprises a limiting pressing block (9), the limiting pressing block (9) is arranged in the fixing plate (2), the forming sliding block (3) is provided with a pressing block receding groove (33), and one end of the limiting pressing block (9) is located in the pressing block receding groove (33).
3. The negative angle bending forming die according to claim 1 or 2, wherein a limiting block (61) is arranged on the side of the fixing block (6), the limiting block (61) is provided with a through hole for a screw rod (8) to pass through, the forming push block (7) and the second spring (81) are respectively arranged on two sides of the limiting block (61), a spring shell (82) is sleeved outside the second spring (81), the fixing block (6) is provided with a fixing guide block (62), the forming push block (7) is provided with a waist-shaped hole (73), and the fixing guide block (62) penetrates through the waist-shaped hole (73).
4. The negative angle bending forming die of claim 3, wherein the waist-shaped hole (73) is provided with two positions, the fixed guide block (62), the lead screw (8) and the second spring (81) are provided with two groups, and the pushed inclined plane (72) is positioned between the two groups of lead screws (8).
5. The negative angle bending forming die according to claim 4, wherein an upper cushion plate (14) is arranged between the fixing plate (2) and the upper die base (11), and a lower cushion plate (15) is arranged between the lower die plate (13) and the lower die base (12).
6. The negative angle bending forming die of claim 1 or 5, wherein the lower die part further comprises a stop block (42), the stop block (42) is fixed on the lower die base (12), an insert (421) is arranged on the inner side of the stop block (42), and the insert (421) is abutted to the driving block (4) during die assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921510115.XU CN210632764U (en) | 2019-09-11 | 2019-09-11 | Negative angle bending forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921510115.XU CN210632764U (en) | 2019-09-11 | 2019-09-11 | Negative angle bending forming die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210632764U true CN210632764U (en) | 2020-05-29 |
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ID=70793435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921510115.XU Expired - Fee Related CN210632764U (en) | 2019-09-11 | 2019-09-11 | Negative angle bending forming die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210632764U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112718951A (en) * | 2020-12-16 | 2021-04-30 | 东莞市新美洋技术有限公司 | Traceless bending equipment |
| KR102598248B1 (en) * | 2023-08-10 | 2023-11-03 | (주)영진테크놀로지 | Press mold device with dovetail structure |
-
2019
- 2019-09-11 CN CN201921510115.XU patent/CN210632764U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112718951A (en) * | 2020-12-16 | 2021-04-30 | 东莞市新美洋技术有限公司 | Traceless bending equipment |
| KR102598248B1 (en) * | 2023-08-10 | 2023-11-03 | (주)영진테크놀로지 | Press mold device with dovetail structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200529 Termination date: 20210911 |