Search

CN-224222499-U - Stamping die and stamping equipment

CN224222499UCN 224222499 UCN224222499 UCN 224222499UCN-224222499-U

Abstract

The utility model relates to a stamping die and stamping equipment, which comprises a lower die assembly and an upper die assembly, wherein the lower die assembly comprises a lower base, a forming die, a floating plate, a lower stretching punch and a first wedge block, and the upper die assembly comprises an upper base, a material pressing plate and an upper stretching punch. The stamping die has the advantages that the upper stretching punch and the lower stretching punch for clamping and stretching plate forming are arranged to be of the structure capable of transversely sliding, when the upper stretching punch and the lower stretching punch perform stretching action, the upper stretching punch and the lower stretching punch can gradually stretch and form from the near end to the far end of a forming inclined plane of the forming die, so that the material pressing area is increased, enough material pressing force is provided, the stretching effect of a product is improved, wrinkling of the stretching position is avoided, and the final quality of the product is ensured.

Inventors

  • LIU WEI

Assignees

  • 菲斯达控制技术(苏州)有限公司

Dates

Publication Date
20260512
Application Date
20250610

Claims (10)

  1. 1. A stamping die is characterized by comprising, The lower die assembly comprises a lower base, a forming die, floating plates, lower stretching punches and first wedge blocks, wherein the forming die is arranged at the top of the lower base, the floating plates are provided with two groups, the two groups of floating plates are connected with the top of the lower base in a floating mode and are symmetrically arranged at two sides of the forming die, the lower stretching punches are symmetrically provided with two groups and are respectively connected onto the two groups of floating plates in a sliding mode, the lower base is provided with the two first wedge blocks which are respectively positioned at the same ends of the two groups of lower stretching punches, one side, close to the lower stretching punches, of each first wedge block is respectively provided with a first inclined plane and a second inclined plane, and one end, close to the first wedge block, of each lower stretching punch is provided with a third inclined plane parallel to the first inclined plane; The upper die assembly comprises an upper base, a pressing plate and an upper stretching punch, wherein the upper base is arranged right above the lower base, the pressing plate is connected to the bottom of the upper base in a floating mode and corresponds to the forming die in position, the upper stretching punch is provided with two groups, the two groups of upper stretching punches are connected to the bottom of the upper base in a sliding mode and are symmetrically arranged on two sides of the pressing plate, and the two groups of upper stretching punches are connected with second wedge blocks at one ends corresponding to the first wedge blocks, and fourth inclined faces parallel to the second inclined faces are arranged on the second wedge blocks.
  2. 2. The stamping die of claim 1, comprising a first reset assembly, wherein the first reset assembly comprises two cylinders, the two cylinders are connected to the lower base and are respectively positioned at one ends of the two lower stretching punches far away from the first wedge block, the output ends of the cylinders are respectively and rotatably connected with a guide wheel, grooves are formed in the lower stretching punches, and the guide wheels are movably connected in the grooves.
  3. 3. The stamping die of claim 1, comprising a second reset assembly, wherein the second reset assembly comprises two stop blocks and elastic pieces, the two stop blocks are connected to the bottom of the upper base and are respectively located at one ends of the two upper stretching punches away from the second wedge-shaped block, and a plurality of elastic pieces are respectively arranged between the two stop blocks and the two upper stretching punches.
  4. 4. The stamping die of claim 1, comprising a carrier bar floatingly connected to the lower base and above the forming die, wherein a through groove matching the shape of the carrier bar is formed in the top of the forming die.
  5. 5. The stamping die of claim 4, wherein the bottom of the pressing plate is provided with at least two positioning pieces which are arranged at intervals along the length direction of the pressing plate, and the material carrying rod is provided with positioning holes which are coaxial with the positioning pieces respectively.
  6. 6. The stamping die of claim 1, wherein the floating plate and the pressing plate are floatingly coupled to the lower base and the upper base, respectively, by a plurality of nitrogen springs.
  7. 7. The stamping die of claim 1, wherein the lower base is symmetrically provided with a plurality of guide holes, a guide sleeve is coaxially arranged in each guide hole, and the upper base is provided with a plurality of guide shafts which are respectively coaxial with each guide sleeve.
  8. 8. The stamping die of claim 1, wherein a first molding surface is formed on a mirror image of a side of the lower drawing punch, which is close to each other, and a second molding surface is formed on a mirror image of a side of the upper drawing punch, which is close to each other.
  9. 9. The stamping die of claim 1, wherein the first inclined surfaces and the second inclined surfaces are staggered in a sliding direction of the lower drawing punch or the upper drawing punch, and the first inclined surfaces are positioned below the second inclined surfaces.
  10. 10. A stamping apparatus comprising a stamping die as claimed in any one of claims 1 to 9.

Description

Stamping die and stamping equipment Technical Field The utility model relates to the technical field of stamping equipment, in particular to a stamping die and stamping equipment. Background The product shown in fig. 10, which includes a sidewall structure having a slope obtained by stretching. The existing stretching die structure for processing the product has the defects that the stretching punch for stretching the product only moves up and down, so that the contact area between the stretching punch and a material plate is small when the stretching punch presses the material based on the distal end of the inclined plane, the pressing force is insufficient, and the final stretching effect of the product is poor and the product is easy to wrinkle. Disclosure of utility model Therefore, the technical problem to be solved by the utility model is to overcome the problems that the stretching punch of the stretching die structure in the prior art, which is used for stretching a product, can only move up and down, and is based on the distal end of the inclined plane, so that the contact area between the stretching punch and a material plate is small when the stretching punch presses the material, the pressing force is insufficient, and the final stretching effect of the product is poor and the product is easy to wrinkle. In order to solve the technical problems, the utility model provides a stamping die, which comprises, The lower die assembly comprises a lower base, a forming die, floating plates, lower stretching punches and first wedge blocks, wherein the forming die is arranged at the top of the lower base, the floating plates are provided with two groups, the two groups of floating plates are connected with the top of the lower base in a floating mode and are symmetrically arranged at two sides of the forming die, the lower stretching punches are symmetrically provided with two groups and are respectively connected onto the two groups of floating plates in a sliding mode, the lower base is provided with the two first wedge blocks which are respectively positioned at the same ends of the two groups of lower stretching punches, one side, close to the lower stretching punches, of each first wedge block is respectively provided with a first inclined plane and a second inclined plane, and one end, close to the first wedge block, of each lower stretching punch is provided with a third inclined plane parallel to the first inclined plane; The upper die assembly comprises an upper base, a pressing plate and an upper stretching punch, wherein the upper base is arranged right above the lower base, the pressing plate is connected to the bottom of the upper base in a floating mode and corresponds to the forming die in position, the upper stretching punch is provided with two groups, the two groups of upper stretching punches are connected to the bottom of the upper base in a sliding mode and are symmetrically arranged on two sides of the pressing plate, and the two groups of upper stretching punches are connected with second wedge blocks at one ends corresponding to the first wedge blocks, and fourth inclined faces parallel to the second inclined faces are arranged on the second wedge blocks. In one embodiment of the utility model, the device comprises a first reset assembly, wherein the first reset assembly comprises two cylinders, the two cylinders are connected to the lower base and are respectively positioned at one ends of the two lower stretching punches far away from the first wedge-shaped block, the output ends of the cylinders are respectively and rotatably connected with a guide wheel, the lower stretching punches are provided with grooves, and the guide wheels are movably connected in the grooves. In one embodiment of the utility model, the device comprises a second reset assembly, wherein the second reset assembly comprises two check blocks and elastic pieces, the two check blocks are connected to the bottom of the upper base and are respectively positioned at one ends of the two upper stretching punches far away from the second wedge-shaped block, and a plurality of elastic pieces are respectively arranged between the two check blocks and the two upper stretching punches. In one embodiment of the utility model, the forming mold comprises a material carrying rod which is connected to the lower base in a floating manner and is positioned above the forming mold, and a through groove matched with the shape of the material carrying rod is formed in the top of the forming mold. In one embodiment of the utility model, the bottom of the pressing plate is provided with at least two positioning pieces which are arranged at intervals along the length direction of the pressing plate, and the material carrying rod is provided with positioning holes which are coaxial with the positioning pieces respectively. In one embodiment of the present utility model, the floating plate and the pressure plate are floatingly connected