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CN-224222482-U - Stamping die of front end plate connecting piece

CN224222482UCN 224222482 UCN224222482 UCN 224222482UCN-224222482-U

Abstract

The utility model discloses a stamping die for a front end plate connecting piece, and relates to the technical field of stamping dies. The die comprises an upper die and a lower die, wherein the upper die comprises an upper die base, a trimming punch, a deep drawing female die, a finish cutting punch, a punching male die and a cutting punch are arranged at the bottom of the upper die base, the deep drawing female die comprises a first deep drawing female die and a second deep drawing female die which are arranged at intervals, a first upper die pressing plate is arranged at the periphery of the first deep drawing female die, the lower die comprises a lower die base, a trimming knife edge, a deep drawing male die, a finish cutting knife edge, a punching female die insert and a cutting knife edge are correspondingly arranged at the top of the lower die base, the deep drawing male die comprises a first deep drawing male die and a second deep drawing male die which are arranged at intervals, a first lower die pressing plate is arranged around the periphery of the first deep drawing male die, and an elastic part is arranged below the first lower die pressing plate at intervals. The utility model can avoid wrinkling of the plate at the edge in the drawing process, can enable the plate to uniformly flow into the female die, and can avoid the problems of uneven wall thickness, bottom cracking and the like of a drawn workpiece.

Inventors

  • LIU XUMING

Assignees

  • 东莞市旭晟模具制品有限公司

Dates

Publication Date
20260512
Application Date
20250430

Claims (8)

  1. 1. Stamping die of front end board connecting piece, including last mould and lower mould, its characterized in that: The upper die comprises an upper die holder, an edge cutting punch, a deep drawing female die, a finish cutting punch, a punching male die and a cutting punch are arranged at the bottom of the upper die holder, the deep drawing female die comprises a first deep drawing female die and a second deep drawing female die which are arranged at intervals, and the peripheral edges of the first deep drawing female die are fixedly connected with a first upper die pressing plate; The lower die comprises a lower die holder, a trimming knife edge, a drawing male die, a fine trimming knife edge, a punching female die insert and a cutting knife edge are correspondingly arranged at the top of the lower die holder, the drawing male die comprises a first drawing male die and a second drawing male die which are arranged at intervals, a first lower die pressing plate capable of moving up and down is arranged around the periphery of the first drawing male die, and a plurality of elastic components are arranged below the first lower die pressing plate at intervals.
  2. 2. The stamping die for the front end plate connecting piece according to claim 1, wherein a second upper die pressing plate is fixedly connected to the periphery of the secondary drawing female die, a second lower die pressing plate is fixedly connected around the periphery of the secondary drawing male die, an avoidance groove is horizontally formed in the second lower die pressing plate, a pressing base capable of moving up and down is fixedly connected to the bottom of the first lower die pressing plate, a first lifting rod and a second lifting rod which are horizontally arranged are fixedly connected to one side, close to the secondary drawing male die, of the pressing base, the first lifting rod extends between the pressing base and the second lower die pressing plate, and the second lifting rod extends to the avoidance groove.
  3. 3. The stamping die for the front end plate connecting piece according to claim 2, wherein the elastic component is a nitrogen spring and is vertically arranged on the lower die holder, and a piston rod end of the elastic component is fixedly connected with the material pressing base.
  4. 4. The stamping die for the front end plate connecting piece according to claim 1, wherein intercept positioning punches are mounted at the initial ends of the bottoms of the upper die holders on two sides of a material belt, intercept positioning cutting edges matched with the intercept positioning punches are arranged at the initial ends of the tops of the lower die holders on two sides of the material belt, the intercept positioning punches are matched with the intercept positioning cutting edges to punch positioning holes in the material belt, a plurality of guide rules are arranged at the tops of the lower die holders on two sides of the material belt, the guide rules are arranged at intervals along the conveying direction of the material belt, a positioning block is fixedly connected to one guide rule on the right side of the intercept positioning cutting edges, and the positioning block is matched with the positioning holes and is matched with the positioning holes to position the material belt in a working area of the lower die holder.
  5. 5. The stamping die for the front end plate connecting piece according to claim 4, wherein a flanging die is further arranged on the top of the lower die holder and located on two sides of a material belt, the flanging die is located on the right side of the positioning block, and a flanging punch matched with the flanging die is arranged on the bottom of the upper die holder.
  6. 6. The stamping die for the front end plate connecting piece according to claim 5, wherein a lateral block is arranged on the top of the lower die base and positioned outside the flanging die, and a wear plate is arranged on the lateral block and positioned on the side wall of the lateral block, which is close to the flanging die, and is used for being in contact with the flanging die.
  7. 7. The stamping die for the front end plate connecting piece, which is disclosed in claim 1, is characterized in that first outer limit posts are vertically fixed at four corners of the top of the lower die holder, and second outer limit posts matched with the first outer limit posts are vertically fixed at four corners of the bottom of the upper die holder.
  8. 8. The stamping die for the front end plate connecting piece according to claim 1, wherein a plurality of inner limiting blocks are arranged at two side edges of the top of the lower die base at intervals along the conveying direction of the material belt, and the inner limiting blocks are used for abutting against the bottom of the upper die base when the upper die and the lower die are clamped.

Description

Stamping die of front end plate connecting piece Technical Field The utility model relates to the technical field of stamping dies, in particular to a stamping die for a front end plate connecting piece. Background The front end plate connecting piece of the engine room side beam is used for connecting the front end plate of the engine room side beam with the front collision cross beam, the front end module assembly, the front upper member bracket and other peripheral components, so that the structure of the front end of the vehicle forms an integral important part, accurate positioning is provided for the components, the mounting position accuracy of the components on the vehicle is ensured, and therefore, good assembly quality and vehicle appearance effect are achieved. The front end plate connecting piece shown in fig. 1 has a cylindrical structure with a certain depth in the middle, and needs to perform multiple stamping forming processes, such as trimming, deep drawing, fine cutting, punching, cutting off, etc., wherein the trimming is to cut off redundant materials around the workpiece, the deep drawing is to make the flat-plate-shaped workpiece into an open hollow shape, or further change the shape and the size of the open hollow piece, the fine cutting is to perform high-precision punching processing on the workpiece, the punching is to punch holes with various shapes in the workpiece, and the cutting is to perform punching on the workpiece along an unsealed contour, so that the workpiece is separated from a strip material, and a single workpiece is obtained. In the drawing process, as the material of the front end plate connecting piece part is thinner and the drawing degree is deeper, the plate is easy to generate wrinkling at the edge in the drawing process, and if the speed and the quantity of the plate flowing into the female die are not controlled, the plate cannot uniformly flow into the female die, and the plate flows too fast or too slow, so that the problems of uneven wall thickness, bottom cracking and the like of a drawn workpiece are caused, and the quality of the workpiece is affected. Disclosure of utility model The utility model aims to solve the technical problem of providing the stamping die for the front end plate connecting piece, which can avoid the wrinkling phenomenon of a plate material at the edge in the drawing process, can enable the plate material to uniformly flow into a female die, and can avoid the problems of uneven wall thickness, bottom cracking and the like of a drawn workpiece. In order to solve the technical problems, the utility model adopts the following technical scheme: The stamping die for the front end plate connecting piece comprises an upper die and a lower die, wherein the upper die comprises an upper die base, a trimming punch, a deep drawing female die, a finish cutting punch, a punching male die and a cutting punch are arranged at the bottom of the upper die base, the deep drawing female die comprises a first deep drawing female die and a second deep drawing female die which are arranged at intervals, a first upper die pressing plate is fixedly connected to the peripheral edge of the first deep drawing female die, the lower die comprises a lower die base, a trimming knife edge, a deep drawing male die, a finish cutting knife edge, a punching female die insert and a cutting knife edge are correspondingly arranged at the top of the lower die base, the deep drawing male die comprises a first deep drawing male die and a second deep drawing male die which are arranged at intervals, a first lower die pressing plate capable of moving up and down is arranged around the periphery of the first deep drawing male die, and a plurality of elastic parts are arranged below the first lower die pressing plate at intervals. In some embodiments, the edge around the secondary deep drawing die is fixedly connected with a second upper die pressing plate, the periphery around the secondary deep drawing die is surrounded by a second lower die pressing plate fixedly connected with the second lower die pressing plate, an avoidance groove is horizontally formed in the second lower die pressing plate, the bottom of the first lower die pressing plate is fixedly connected with a pressing base capable of moving up and down, one side, close to the secondary deep drawing die, of the pressing base is fixedly connected with a first lifting rod and a second lifting rod which are horizontally arranged, the first lifting rod extends between the pressing base and the second lower die pressing plate, and the second lifting rod extends to the avoidance groove. In at least one embodiment, the elastic component is a nitrogen spring, and is vertically arranged on the lower die holder, and the piston rod end of the elastic component is fixedly connected with the pressing base. Compared with the prior art, the utility model at least realizes the following beneficial effects: When the first drawing