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CN-224222489-U - Mould structure for improving planeness of punched product

CN224222489UCN 224222489 UCN224222489 UCN 224222489UCN-224222489-U

Abstract

The utility model relates to the technical field of stamping dies, in particular to a die structure for improving the flatness of a stamped product, which comprises a base, wherein a workbench surface is fixedly arranged on the upper surface of the base, a top plate is fixedly arranged above the base through a bracket, A split stamping structure is arranged between the workbench surface and the top plate, and the split stamping structure realizes the split stamping in the sheet stamping process through a first stamping head, a second stamping head and a third stamping head. This improve mould structure of punching press product planarization, set up the components of a whole that can function independently punching press structure that comprises first punching press head, second punching press head and third punching press head in this device, carry out the punching press of a lot of to the panel material to realize half blanking at the in-process that the work piece carries out the punching press, the work piece still links to each other with the material area after half blanking, has reduced the positional deviation of work piece in the course of working, thereby has improved the machining precision and the dimensional stability of work piece, guarantees the planarization of product.

Inventors

  • YANG DONGYANG

Assignees

  • 腾普(常州)精机有限公司

Dates

Publication Date
20260512
Application Date
20250509

Claims (7)

  1. 1. The die structure for improving the flatness of a punched product comprises a base (1), wherein a working table surface (2) is fixedly arranged on the upper surface of the base (1), a top plate (3) is fixedly arranged above the base (1) through a support, and the die structure is characterized in that a split punching structure is arranged between the working table surface (2) and the top plate (3), the split punching structure realizes the fractional punching in the sheet punching process through a first punching head (4), a second punching head (5) and a third punching head (6), and the split punching structure comprises a first punching head (4), a second punching head (5) and a third punching head (6).
  2. 2. The die structure for improving flatness of a punched product according to claim 1, wherein the first punching head (4) is of an arc-shaped structure, a punching male die is arranged on the lower surface of the first punching head (4), a second punching head (5) and a third punching head (6) are respectively arranged at two ends of the first punching head (4), the second punching head (5) is of an arc-shaped structure, a punching male die is arranged on the lower surface of the second punching head (5), the third punching head (6) is of an arc-shaped structure, and a punching male die is arranged on the lower surface of the third punching head (6).
  3. 3. The die structure for improving flatness of a punched product according to claim 1, wherein the first punch (4), the second punch (5) and the third punch (6) together form a ring-shaped split punching structure.
  4. 4. The die structure for improving the flatness of a punched product according to claim 1, wherein a driving structure is arranged on the upper surface of the split punching structure, and the driving structure realizes successive driving of different punching male dies in the split punching structure through a first air cylinder (7), a second air cylinder (8) and a third air cylinder (9).
  5. 5. The die structure for improving flatness of a punched product according to claim 4, wherein the driving structure comprises a first air cylinder (7), a second air cylinder (8) and a third air cylinder (9), wherein the first air cylinder (7), the second air cylinder (8) and the third air cylinder (9) are respectively penetrated and fixed on the surface of the top plate (3), the output end of the first air cylinder (7) is fixedly connected with the upper surface of a first punching head (4), the output end of the second air cylinder (8) is fixedly connected with the upper surface of a second punching head (5), and the output end of the third air cylinder (9) is fixedly connected with the upper surface of a third punching head (6).
  6. 6. The die structure for improving flatness of a punched product according to claim 1, wherein a positioning structure is provided on an inner surface of the split punching structure, and the positioning structure guides and positions a moving process of the punching male die through a positioning rod (11) to prevent deflection of the punching process.
  7. 7. The die structure for improving flatness of a punched product according to claim 6, wherein the positioning structure comprises positioning blocks (10), each positioning block (10) is of an arc-shaped block structure, one end of each positioning block (10) is provided with a semicircular notch, each positioning block (10) is fixedly arranged on the inner surface of a first punching head (4), 2 positioning blocks (10) are symmetrically arranged on the inner surface of the first punching head (4), 2 positioning blocks (10) are in a group, each positioning block (10) is provided with the same three groups, the other two groups of positioning blocks (10) are respectively and fixedly arranged on the inner surfaces of a second punching head (5) and a third punching head (6), 2 adjacent positioning blocks (10) are in clamping contact with the outer surface of the same positioning rod (11), and the upper ends of the positioning rods (11) are annularly provided with 3 positioning rods (11) which are fixedly arranged on the surface of a top plate (3).

Description

Mould structure for improving planeness of punched product Technical Field The utility model relates to the technical field of stamping dies, in particular to a die structure for improving the flatness of a stamped product. Background The stamping die is a process equipment for pressure processing, and materials such as plates, strips and the like are subjected to plastic deformation, separation and the like in a die cavity by means of pressure provided by a press, so that parts or products with specific shapes, sizes and performances are obtained. The existing stamping die is used for sequentially stamping and forming plate workpieces, but in the process of using the die for one-time stamping and forming, the plate is subjected to concentrated pressure instantly, and various parts are stressed unevenly, so that larger internal stress is easy to generate. This may cause deformation such as warpage, twisting, etc. of the product, making it difficult to ensure flatness, thereby affecting the quality of the product. Disclosure of utility model The utility model aims to provide a die structure for improving the planeness of a punched product, which uses a split punch structure to punch and shape a plate for multiple times so as to solve the problems in the prior art. In order to achieve the purpose, the die structure for improving the flatness of a punched product comprises a base, wherein a working table surface is fixedly arranged on the upper surface of the base, a top plate is fixedly arranged above the base through a support, a split punching structure is arranged between the working table surface and the top plate, split punching in the plate punching process is achieved through a first punching head, a second punching head and a third punching head, and the split punching structure comprises a first punching head, a second punching head and a third punching head. Preferably, the first punching head is of an arc-shaped structure, a punching male die is arranged on the lower surface of the first punching head, the second punching head and the third punching head are respectively arranged at two ends of the first punching head, the second punching head is of an arc-shaped structure, the punching male die is arranged on the lower surface of the second punching head, the third punching head is of an arc-shaped structure, and the punching male die is arranged on the lower surface of the third punching head. By adopting the technical scheme, the stamping process of the workpiece can be sequentially realized by utilizing the first stamping head, the second stamping head and the third stamping head. Preferably, the first stamping head, the second stamping head and the third stamping head form a circular split stamping structure together. By adopting the technical scheme, the stamping blanking of the workpiece can be realized by using the annular split stamping structure. Preferably, a driving structure is arranged on the upper surface of the split stamping structure, and the driving structure realizes successive driving of different stamping male dies in the split stamping structure through a first cylinder, a second cylinder and a third cylinder. By adopting the technical scheme, the driving structure can be utilized to realize the successive driving of different stamping male dies. Preferably, the driving structure comprises a first cylinder, a second cylinder and a third cylinder, wherein the first cylinder, the second cylinder and the third cylinder are respectively penetrated and fixed on the surface of the top plate, the output end of the first cylinder is fixedly connected with the upper surface of the first stamping head, the output end of the second cylinder is fixedly connected with the upper surface of the second stamping head, and the output end of the third cylinder is fixedly connected with the upper surface of the third stamping head. By adopting the technical scheme, the first air cylinder, the second air cylinder and the third air cylinder can be used for respectively driving different punching heads to move for punching. Preferably, a positioning structure is arranged on the inner surface of the split stamping structure, and the positioning structure guides and positions the stamping male die in the moving process through a positioning rod to prevent the stamping process from shifting. By adopting the technical scheme, the positioning structure can be used for guiding and positioning the movement process of the stamping male die. Preferably, the positioning structure comprises positioning blocks, each positioning block is of an arc-shaped block structure, one end of each positioning block is provided with a semicircular notch, each positioning block is fixedly arranged on the inner surface of a first stamping head, 2 positioning blocks are symmetrically arranged on the inner surface of the first stamping head, 2 positioning blocks are in one group, the same three groups of positioning blocks are