Search

CN-224222456-U - Trimming fine blanking die and equipment

CN224222456UCN 224222456 UCN224222456 UCN 224222456UCN-224222456-U

Abstract

The utility model discloses a trimming fine blanking die and trimming fine blanking equipment, which relate to the technical field of workpiece trimming processing, wherein the trimming fine blanking equipment comprises a stamping frame, a hydraulic cylinder is fixedly connected above the stamping frame, an upper baffle is fixedly connected with the end part of the hydraulic cylinder, and the upper baffle is movably connected with the stamping frame; the bottom of the upper baffle plate is sequentially provided with a positioning pore plate, a hollow guard plate and an edge cutting top die from top to bottom, an edge cutting bottom die fixedly connected with the stamping frame is correspondingly arranged below the stamping frame, and a bottom die fixing block corresponding to the edge cutting top die is fixedly connected on the edge cutting bottom die; according to the utility model, the main positions of the workpiece to be cut are fixed through extrusion between the pressing template and the carrying parent block, the side hole cutting die knife and the central shearing die knife are respectively matched with the shearing holes, the holes on the inner side of the workpiece to be cut are subjected to edge cutting operation, and the pressing template and the carrying parent block are matched to prevent the edges from bending, so that the edge cutting precision of the workpiece to be cut is improved.

Inventors

  • WANG YANG
  • LI XIN
  • DING HUAWEI
  • LIU HONGBING

Assignees

  • 东莞市伟峰新材料科技有限公司

Dates

Publication Date
20260512
Application Date
20250519

Claims (10)

  1. 1. The trimming fine blanking equipment is characterized by comprising a stamping frame (1), wherein a hydraulic cylinder (2) is fixedly connected above the stamping frame (1), an upper baffle plate (5) is fixedly connected to the end part of the hydraulic cylinder (2), and the upper baffle plate (5) is movably connected with the stamping frame (1); The bottom of the upper baffle plate (5) is sequentially provided with a positioning pore plate (6), a hollow guard plate (7) and a trimming top die (8) from top to bottom, a trimming bottom die (4) fixedly connected with the punching frame (1) is correspondingly arranged below the punching frame (1), and a bottom die fixing block (9) corresponding to the trimming top die (8) is fixedly connected on the trimming bottom die (4).
  2. 2. The trimming fine blanking device as claimed in claim 1, wherein the side surface of the punching frame (1) is also fixedly connected with a controller (3).
  3. 3. The trimming fine blanking device as claimed in claim 1, wherein the trimming bottom die (4) comprises a carrying die plate (41), two sides of the carrying die plate (41) are fixedly connected with L-shaped brackets (42) fixedly connected with the stamping frame (1), a weighing bracket (43) is fixedly connected below the carrying die plate (41), and positioning columns (44) are fixedly connected above the carrying die plate (41) in a rectangular array.
  4. 4. The trimming fine blanking apparatus as claimed in claim 3, wherein the bottom die fixing block (9) comprises a carrying parent block (91) fixedly connected above the carrying template (41), a shearing hole (92) is formed in the inner side of the carrying parent block (91), and one end of the shearing hole (92) penetrates through the carrying template (41) to extend below the carrying template (41).
  5. 5. The trimming fine blanking apparatus as claimed in claim 1, wherein the upper baffle (5) comprises a connecting plate (51), a sliding hole seat (52) corresponding to the positioning column (44) is formed in the connecting plate (51), and one end of the positioning column (44) far away from the carrying template (41) is inserted into the inner side of the sliding hole seat (52).
  6. 6. The trimming fine blanking apparatus as claimed in claim 5, wherein compression springs (53) are arranged in a rectangular array below the connecting plate (51), and one end of the compression springs (53) away from the connecting plate (51) penetrates through the positioning hole plate (6) to be in contact with the top end of the trimming top die (8).
  7. 7. The trimming fine blanking apparatus as set forth in claim 6, wherein the trimming top die (8) comprises an outer die frame (81) fixedly connected below the hollow guard plate (7), a pressing die plate (83) is movably connected in the outer die frame (81), and a limiting pressing plate (86) in sliding fit with the inner side of the hollow guard plate (7) is fixedly connected above the pressing die plate (83).
  8. 8. The trimming fine blanking apparatus as set forth in claim 7, wherein a positioning groove (87) corresponding to the compression spring (53) is formed above the limiting pressing plate (86), the end of the compression spring (53) is in clamping fit with the positioning groove (87), and a trimming blade (82) corresponding to the carrying parent block (91) is integrally formed at the bottom of the outer die frame (81).
  9. 9. The trimming fine blanking apparatus as set forth in claim 8, wherein a center cutting die (84) and a side hole cutting die (85) corresponding to the cutting hole (92) are slidably fitted to the inner side of the pressing die plate (83), and tops of the center cutting die (84) and the side hole cutting die (85) penetrate through the limiting pressing plate (86) and the positioning hole plate (6) to be fixedly connected with the connecting plate (51).
  10. 10. The trimming fine blanking apparatus as claimed in claim 9, wherein the workpiece (10) to be trimmed is further placed above the carrier block (91).

Description

Trimming fine blanking die and equipment Technical Field The utility model particularly relates to the technical field of workpiece trimming processing, in particular to a trimming fine blanking die and trimming fine blanking equipment. Background The trimming fine blanking device is mainly used for carrying out precise trimming processing on metal plates or blanks so as to obtain edges of parts with high precision and high quality, the main core part of the trimming fine blanking device is a trimming fine blanking die, the trimming fine blanking die is a die for metal processing and is mainly used for carrying out precise trimming processing on stamping parts so as to obtain edge sizes and surface quality with high precision and high quality, the working principle of the trimming fine blanking die is to shear the metal plates by utilizing the pressure of a punch press through a male die and a female die of the die, and in the fine blanking process, a reverse pressure and a blank pressing force are applied so that the materials are blanked under a three-dimensional compressive stress state, thereby improving the trimming quality. However, in practice, it has been noted that most dies now only design the trimming force at the shearing position, and the trimming position will be extended outwards by the load to which it is subjected when it is pressed, and at this time, the area of the metal material not covered by the trimming force will be affected as well, and deformation or bending will occur, thereby affecting the quality of the work piece after trimming. Disclosure of utility model The utility model aims to provide trimming fine blanking equipment, which is used for fixing the position of a workpiece to be trimmed through extrusion between a pressing die plate and a carrying parent block, so that the phenomenon that the workpiece to be trimmed is moved in a hand during trimming is prevented, a center shearing die cutter and a side hole shearing die cutter are respectively matched with a shearing hole in a corresponding manner, the trimming precision is further improved, the bending phenomenon at a shearing position is prevented, and the trimming precision is further improved. To solve the technical problems set forth in the background art. In order to achieve the above purpose, the present utility model provides the following technical solutions: the trimming fine blanking equipment comprises a stamping frame, wherein a hydraulic cylinder is fixedly connected above the stamping frame, an upper baffle is fixedly connected to the end part of the hydraulic cylinder, and the upper baffle is movably connected with the stamping frame; The bottom of the upper baffle is provided with a positioning pore plate, a hollow guard plate and an edge cutting top die from top to bottom in sequence, an edge cutting bottom die fixedly connected with the stamping frame is correspondingly arranged below the stamping frame, and a bottom die fixing block corresponding to the edge cutting top die is fixedly connected on the edge cutting bottom die. As a further technical scheme of the utility model, the side cutting bottom die comprises a carrying die plate, wherein both sides of the carrying die plate are fixedly connected with an L-shaped bracket fixedly connected with a stamping frame, a weighing bracket is fixedly connected below the carrying die plate, and a positioning column is fixedly connected above the carrying die plate in a rectangular array. As a further technical scheme of the utility model, the bottom die fixing block comprises a carrying parent block fixedly connected above the carrying template, the inner side of the carrying parent block is provided with a shearing hole, and one end of the shearing hole penetrates through the carrying template and extends to the lower part of the carrying template. As a further technical scheme of the utility model, the upper baffle comprises a connecting plate, a sliding hole seat corresponding to the positioning column is formed in the connecting plate, and one end of the positioning column, which is far away from the object carrying template, is inserted into the inner side of the sliding hole seat. As a further technical scheme of the utility model, compression springs are arranged below the connecting plate in a rectangular array, and one end of each compression spring far away from the connecting plate penetrates through the positioning hole plate to be in contact with the top end of the trimming top die. As a further technical scheme of the utility model, the trimming top die comprises an outer die frame fixedly connected below the hollow guard plate, a pressing die plate is movably connected in the outer die frame, and a limiting pressing plate which is in sliding fit with the inner side of the hollow guard plate is fixedly connected above the pressing die plate. As a further technical scheme of the utility model, a positioning groove corresponding to the compression s