CN215998306U - Fine blanking forming die for processing small-hole edge distance product - Google Patents
Fine blanking forming die for processing small-hole edge distance product Download PDFInfo
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- CN215998306U CN215998306U CN202122383143.3U CN202122383143U CN215998306U CN 215998306 U CN215998306 U CN 215998306U CN 202122383143 U CN202122383143 U CN 202122383143U CN 215998306 U CN215998306 U CN 215998306U
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Abstract
The utility model discloses a smart forming die that dashes for processing aperture margin product belongs to stamping die technical field, including last membrane module and lower membrane module, it has the sheet material to go up the conveying between membrane module and the lower membrane module, goes up membrane module and includes the unit of punching a hole in advance that punches a hole in advance to the product and be used for the fashioned die of product, and the unit of punching a hole in advance sets up along the direction of delivery of sheet material with the die, is equipped with on the lower membrane module and punches a hole the corresponding vestibule of unit and be used for the fashioned shaping die cavity of product in advance, and the shaping die cavity is located the die under, and is equipped with the drift that the product punched a hole in the shaping die cavity. The utility model provides a fine blanking forming die for the less product of processing hole edge distance sets up unit and the die of punching a hole in advance on last membrane module, adds man-hour, punches a hole in advance to the product through the unit of punching a hole in advance, and the blanking punches a hole and the shaping again to replaced the punching press mode of direct blanking among the prior art, avoided the product round hole to become oval phenomenon, improved product quality.
Description
Technical Field
The utility model relates to a stamping die technical field, in particular to fine blanking forming die for processing aperture margin to product.
Background
The fine stamping die is a stamping die for directly stamping parts with good section quality and high dimensional precision on a plate material, is suitable for the production of large-batch high-precision plate-shaped parts, and is widely applied to the manufacture of automobiles, household appliances and precision instruments.
The fine blanking die is used for processing a part with a plurality of hole positions and smaller hole edge distances, the hole edge distances refer to the distances between the hole edges of a blanking part and the part edges, and when the minimum hole edge distances are less than 0.6 times of the thickness of a plate material, the part is easy to deform to form a circular hole in an oval shape through one-step stamping forming. For example, when the swing block of the engine is processed, the thickness of the product is 7mm, the hole edge distance is 2.47mm, the minimum edge distance of the fine blanking forming is 0.6 times of the product thickness (namely 4.2mm), the minimum edge distance of the fine blanking forming greatly exceeds the upper limit of the fine blanking forming, the product circular hole is processed by adopting a die formed by one-step stamping, and the product quality is influenced.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defect that prior art exists, the utility model provides a smart towards forming die for processing aperture margin to product improves product quality, and the product round hole becomes oval technical problem when solving the punching press.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a smart towards forming die for processing aperture margin distance product, includes upper die assembly and lower die assembly, its characterized in that: the device comprises an upper die assembly, a lower die assembly and a die assembly, wherein a plate is conveyed between the upper die assembly and the lower die assembly, the upper die assembly comprises a pre-punching unit for pre-punching a product and a die for forming the product, the pre-punching unit and the die are arranged along the conveying direction of the plate, the lower die assembly is provided with a hole cavity corresponding to the pre-punching unit and a forming die cavity for forming the product, the forming die cavity is positioned right below the die, and a punch for punching the product is arranged in the forming die cavity.
In one embodiment, the pre-punching unit is located beside the die and spaced from the die.
In one embodiment, the upper die assembly comprises an upper die base and an upper backing plate, the upper backing plate is located on the inner side, close to the lower die assembly, of the upper die base, and the pre-punching unit and the punching die are installed on the upper backing plate and are arranged downwards.
In one embodiment, a gear ring plate is arranged below the upper backing plate, and a through hole for the pre-punching unit and the punching die to pass through is formed in the gear ring plate.
In one embodiment, the lower die assembly comprises a lower die base, a lower backing plate and a concave die plate which are sequentially arranged from bottom to top, the lower die base and the upper die base are correspondingly arranged, the punch is mounted on the lower backing plate, and the hole cavity is formed in the concave die plate.
In one embodiment, the concave template is embedded with a concave die insert, the molding die cavity is arranged on the concave die insert, the punch penetrates through the concave die insert and is arranged in the molding die cavity, and the ejector is further arranged in the molding die cavity and has a shape corresponding to that of the product.
In one embodiment, the upper die holder and the lower die holder are rectangular, the upper die holder and the lower die holder are respectively provided with four guide holes which are arranged in a square shape, and guide rods are arranged in the guide holes and further connected with the upper die holder and the lower die holder.
In one embodiment, a guide plate is arranged between the upper backing plate and the gear ring plate, and the guide plate is connected with the guide rod through a first guide sleeve.
In one embodiment, the end of the guide rod is arranged on the lower die holder through a second guide sleeve, and bushings matched with the first guide sleeve and the second guide sleeve are respectively sleeved on the upper outer surface and the lower outer surface of the guide rod.
The utility model has the advantages that: (1) the utility model provides a fine blanking forming die for the product that the processing hole margin is less sets up punching unit and die in advance on the upper die assembly, and during processing, carry out the punching hole in advance to the product through punching unit in advance, the blanking punches a hole and takes shape again to replace the punching press mode of direct blanking among the prior art, avoid the product round hole to become oval phenomenon, improve product quality;
(2) by adopting the mode of pre-punching and then blanking, the stress of the stamping die at the pre-punching position is reduced during blanking, and the risk of die collapse is reduced, so that the service life of the stamping die is prolonged, and the production cost of enterprises is reduced.
Drawings
Fig. 1 is a front view of an embodiment of the present invention;
fig. 2 is a perspective view of an embodiment of the present invention;
FIG. 3 is a perspective view of an upper die assembly in an embodiment of the present invention;
FIG. 4 is a perspective view of a lower die assembly in an embodiment of the present invention;
FIG. 5 is a front view of a stamped product according to an embodiment of the present invention;
FIG. 6 is a perspective view of the embodiment of the present invention when punching products;
FIG. 7 is an exploded view of FIG. 6;
fig. 8 is a schematic view of an engine pendulum mass processed according to an embodiment of the present invention.
In the figure:
1. the device comprises an upper die assembly, an upper die seat, an upper die plate, an upper backing plate, a lower backing plate, a gear ring plate, a pre-punching unit, a punch die, a guide plate and a lower die assembly, wherein the upper die assembly comprises 11, an upper die seat, 12, an upper backing plate, 13, a gear ring plate, 14, a pre-punching unit, 15, a punch die, 16 and the guide plate;
2. the die comprises a lower die assembly, a lower die base, a lower die plate, a lower backing plate, a concave die insert, a lower die assembly, a lower backing plate, a concave die insert, a lower backing plate, a lower backing;
3. 4, a plate material, an engine swing block, 5, a guide hole, 6, a guide rod, 7, a first guide sleeve, 8, a second guide sleeve, 9 and a lining.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1-7, the present invention provides a fine blanking mold for processing small hole edge distance products, which is used for processing products with smaller hole edge distance, such as the engine swing block processed in this embodiment, as shown in the drawings8, the thickness of the engine swing block is 7mm, and four engine swing blocks are arranged on the engine swing block
The hole to minimum hole margin a is 2.47mm, adopts the processing mode of direct blanking punching press among the prior art, leads to the round hole to warp, be oval problem easily. Therefore, the fine blanking forming die is improved.
As shown in fig. 1-7, the utility model provides a pair of a fine blanking forming die for processing aperture margin product, including last mould subassembly 1 and lower mould subassembly 2, it has sheet material 3 to go up the conveying between mould subassembly 1 and the lower mould subassembly 2, it includes the punching unit 14 that punches a hole in advance to the product and is used for the fashioned die 15 of product to go up mould subassembly 1, punching unit 14 and die 15 set up along the direction of transfer of sheet material 3 in advance, be equipped with on the lower mould subassembly 2 with the corresponding vestibule 26 of punching unit 14 in advance and be used for the fashioned shaping die cavity 27 of product, shaping die cavity 27 is located die 15 under, and be equipped with the drift 28 that the product punched a hole in the shaping die cavity 27.
The fine blanking forming die is used for processing products with small hole edge distance, the upper die assembly 1 is provided with the pre-punching unit 14 and the stamping die 15, when in processing, the products are pre-punched through the pre-punching unit 14, and then the products are punched and formed through blanking, so that a punching mode of directly blanking in the prior art is replaced, the phenomenon that the circular holes of the products become elliptical is avoided, and the product quality is improved; on the other hand, the mode of pre-punching and re-blanking is adopted, so that the stress of the punching die 15 at the pre-punching position is reduced during blanking, and the risk of die collapse is reduced, thereby prolonging the service life of the punching die 15 and reducing the production cost of enterprises.
In the embodiment of the present invention, the pre-punching unit 14 is located beside the die 15 and keeps a distance from the die 15. The pre-punching unit 14 is designed according to the specific product hole site, such as the engine swing block 4 processed in the embodiment, and has four thereon
The holes, respectively, the pre-punching units 14 are composed of four punches of 4.5mm diameter and are aligned with the holesThe position relations among all hole positions on the product are consistent.
In the embodiment of the present invention, the upper die assembly 1 includes an upper die base 11 and an upper pad 12, the upper pad 12 is located inside the upper die base 11 close to the lower die assembly 2, and the pre-punching unit 14 and the punching die 15 are both mounted on the upper pad 12 and set downward.
In the embodiment of the present invention, a ring gear plate 13 is disposed below the upper cushion plate 12, and a through hole for passing the pre-punching unit 14 and the punching die 15 is formed on the ring gear plate 13.
The utility model discloses an in the embodiment, lower mould subassembly 2 includes die holder 21, lower bolster 22 and the die board 23 that set gradually from bottom to top, and die holder 21 sets up with upper die base 11 is corresponding, and drift 28 is installed on lower bolster 22, and vestibule 26 is seted up on die board 23.
The embodiment of the utility model provides an in, the die plate 23 is embedded to have die mold insert 24, and the shaping die cavity 27 is seted up on die mold insert 24, and drift 28 passes die mold insert 24 and arranges in shaping die cavity 27, still is equipped with in the shaping die cavity 27 and pushes up a ware 25, and the shape of pushing up a ware 25 suits with the shape of product. The ejector 25 is used to eject the finished product from the molding cavity 27 after the stamping is completed.
The utility model discloses an in the embodiment, upper die base 11 and die holder 21 all are the rectangle, and both offer four guiding holes 5 that are square arranging respectively, installation guide bar 6 in the guiding hole 5, and then connect upper die base 11 and die holder 21. The guide rod 6 is arranged to improve the guiding precision and keep the upper die assembly 1 and the lower die assembly 2 moving stably relative to each other.
In the embodiment of the present invention, a guide plate 16 is disposed between the upper cushion plate 12 and the gear ring plate 13, and the guide plate 16 is connected to the guide rod 6 through the first guide sleeve 7. The gear ring plate 13 is arranged on the inner side of the guide plate 16 facing the lower die holder 21, a square hole is formed in the center of the gear ring plate 13, the pre-punching unit 14 and the punching die 15 which are arranged on the upper backing plate 12 sequentially penetrate through the square hole and the gear ring plate 13 and protrude out of the bottom surface of the gear ring plate 13, and finally, the pre-punching unit and the punching die jointly act with the hole cavity 26 and the forming die cavity 27 to complete the punching processing of a product.
The utility model discloses an in the embodiment, the tip of guide bar 6 is located on die holder 21 through second guide pin bushing 8, and the upper and lower surface of guide bar 6 overlaps respectively to be equipped with and is equipped with first guide pin bushing 7, second guide pin bushing 8 matched with bush 9. The bush 9 is a steel ball bush 9, the steel ball bush 9 is also called a steel ball sleeve, and is a shaft motion accessory, also called a steel ball bearing, which uses aluminum alloy or copper alloy or polyacetal resin as a steel ball retainer, and the steel balls are embedded into the retainer in an embedding manner. The bush 9 is movably worn to locate on first guide pin bushing 7 and second guide pin bushing 8 respectively, improves the direction precision, reduces the level among the stamping process and rocks, improves the size precision of product.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.
Claims (9)
1. The utility model provides a smart towards forming die for processing aperture margin product, includes upper die assembly (1) and lower die assembly (2), its characterized in that: go up the conveying between mould subassembly (1) and the lower mould subassembly (2) and have sheet material (3), go up mould subassembly (1) including the unit (14) of punching a hole in advance and be used for the fashioned die (15) of product of punching a hole in advance to the product, unit (14) of punching a hole in advance and die (15) set up along the direction of delivery of sheet material (3), be equipped with on lower mould subassembly (2) with the unit (14) corresponding vestibule (26) of punching a hole in advance and be used for the fashioned shaping die cavity (27) of product, shaping die cavity (27) are located die (15) under, and are equipped with drift (28) that the product punched a hole in shaping die cavity (27).
2. The fine blanking forming die for processing small-hole edge distance products according to claim 1, characterized in that: the pre-punching unit (14) is positioned beside the punch die (15) and is arranged at a distance from the punch die (15).
3. The fine blanking forming die for processing small-hole edge distance products according to claim 1, characterized in that: go up mould subassembly (1) including upper die base (11) and upper padding plate (12), upper padding plate (12) are located upper die base (11) and are close to the inboard of lower mould subassembly (2), unit (14) and the die of punching a hole in advance (15) are all installed on upper padding plate (12) to set up down.
4. The fine blanking forming die for processing small-hole edge distance products according to claim 3, characterized in that: a gear ring plate (13) is arranged below the upper backing plate (12), and a through hole for the pre-punching unit (14) and the punching die (15) to penetrate through is formed in the gear ring plate (13).
5. The fine blanking forming die for processing small-hole edge distance products according to claim 4, characterized in that: the lower die component (2) comprises a lower die base (21), a lower backing plate (22) and a concave die plate (23) which are sequentially arranged from bottom to top, the lower die base (21) and the upper die base (11) are correspondingly arranged, a punch (28) is installed on the lower backing plate (22), and a hole cavity (26) is formed in the concave die plate (23).
6. The fine blanking forming die for processing small-hole edge distance products according to claim 5, characterized in that: the die is characterized in that a concave die insert (24) is embedded in the concave die plate (23), a forming die cavity (27) is formed in the concave die insert (24), a punch head (28) penetrates through the concave die insert (24) and is arranged in the forming die cavity (27), a piece ejecting device (25) is further arranged in the forming die cavity (27), and the shape of the piece ejecting device (25) is matched with that of a product.
7. The fine blanking forming die for processing small-hole edge distance products according to claim 5, characterized in that: the upper die base (11) and the lower die base (21) are rectangular, four guide holes (5) which are arranged in a square shape are formed in the upper die base and the lower die base respectively, guide rods (6) are installed in the guide holes (5), and then the upper die base (11) and the lower die base (21) are connected.
8. The fine blanking forming die for processing small-hole edge distance products according to claim 7, characterized in that: and a guide plate (16) is arranged between the upper backing plate (12) and the gear ring plate (13), and the guide plate (16) is connected with the guide rod (6) through a first guide sleeve (7).
9. The fine blanking forming die for processing small-hole edge distance products according to claim 8, characterized in that: the end part of the guide rod (6) is arranged on the lower die holder (21) through a second guide sleeve (8), and bushings (9) matched with the first guide sleeve (7) and the second guide sleeve (8) are respectively sleeved on the upper outer surface and the lower outer surface of the guide rod (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122383143.3U CN215998306U (en) | 2021-09-30 | 2021-09-30 | Fine blanking forming die for processing small-hole edge distance product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122383143.3U CN215998306U (en) | 2021-09-30 | 2021-09-30 | Fine blanking forming die for processing small-hole edge distance product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215998306U true CN215998306U (en) | 2022-03-11 |
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ID=80523352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122383143.3U Active CN215998306U (en) | 2021-09-30 | 2021-09-30 | Fine blanking forming die for processing small-hole edge distance product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215998306U (en) |
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2021
- 2021-09-30 CN CN202122383143.3U patent/CN215998306U/en active Active
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