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CN-224222637-U - Seat device for hot forging and punching two pieces at one time

CN224222637UCN 224222637 UCN224222637 UCN 224222637UCN-224222637-U

Abstract

The utility model discloses a seat device for punching two pieces at one time through hot forging, which comprises two punch seats and punches which are symmetrically and obliquely arranged on an upper die plate, a lower die seat, two punching female dies and a supporting tube which are symmetrically arranged on the lower die seat, wherein the punch seats and the punches pass through a blanking plate, the punching female dies are positioned right below the punches, aiming at the fact that the working table surface of a punching press is large, the punching force is smaller, equipment does not fully play a role, a die seat for punching two forgings at one time is designed, the punching of two pieces of products can be completed through one time punching, the processing efficiency is doubled, the production period is shortened, the double-punch design reduces the idle stroke time of the equipment, the output in unit time is improved, the seat device is particularly suitable for mass production requirements, and the punching efficiency can be improved through hot forging and punching of two forgings at one time.

Inventors

  • LI YAN
  • ZHANG PENGBO
  • ZHANG XIAOLI
  • GUO KAI
  • Ju Junrong
  • GAO YUAN
  • LIU HONGJUN

Assignees

  • 陕西法士特齿轮有限责任公司

Dates

Publication Date
20260512
Application Date
20250418

Claims (10)

  1. 1. A seat device for punching two pieces at one time by hot forging and punching is characterized by comprising, The upper die structure comprises an upper die plate (2), two punch seats (4) symmetrically and obliquely arranged on the upper die plate (2) and a punch (5), wherein the punch seats (4) are matched with the punch (5); The lower die structure comprises a lower die holder (16), two punching female dies (12) symmetrically arranged on the lower die holder (16) and a supporting tube (11), wherein the supporting tube (11) is arranged on the lower die holder (16), a material returning plate (9) is arranged at the top of the supporting tube (11), and the punch holder (4) and the punch (5) penetrate through the material returning plate (9) and are positioned right above the punching female dies (12); Guide mechanisms are arranged on two sides of the upper die plate (2), are positioned between the upper die plate (2) and the lower die holder (16), and are respectively connected with the upper die plate (2) and the lower die holder (16).
  2. 2. The seat device for punching two pieces at one time through hot forging and punching according to claim 1 is characterized in that a punch seat (4) is connected with a punch (5) through a long screw bolt (3), the head of the long screw bolt (3) is embedded in a groove of an upper die plate (2) to limit rotation, the rod part of the long screw bolt (3) sequentially penetrates through central holes of the upper die plate (2) and the punch seat (4) and is in threaded connection with the punch (5) to form a long screw connected punch quick-change structure, and the punch seat (4) and the punch (5) are installed through vertical surface contact positioning and radial small clearance fit.
  3. 3. The seat device for hot forging and punching two pieces at a time according to claim 1 is characterized in that the guide mechanism comprises guide posts (7) and guide sleeves (14), the guide posts (7) are arranged on two sides of an upper die plate (2), the guide sleeves (14) are embedded in holes of a lower die holder (16), and the guide posts (7) are mounted in a matched mode with the guide sleeves (14).
  4. 4. A two-piece seat device for hot forging and punching according to claim 3, characterized in that the guide post (7) is fixed on the upper die plate (2) through a hexagonal screw (6); The guide sleeve (14) is fixed on the lower die holder (16) through an inclined plane pressing structure of the guide sleeve pressing cover (15), The guide post (7) is fixed on the upper die plate (2) through an inclined plane pressing structure of the guide post pressing cover (8); The guide pillar gland (8) is connected with the upper die plate (2), and the guide sleeve gland (15) is connected with the lower die holder (16).
  5. 5. A two-piece seat assembly for hot-forging and punching according to claim 3, wherein the guide sleeve (14) adopts a two-stage guide structure comprising a preliminary guide section with an upper opening inclined surface and a lower vertical guide section.
  6. 6. The seat device for hot forging punching one-time punching two pieces according to claim 1, wherein a dovetail (1) is arranged on the upper surface of the upper die plate (2), the dovetail (1) is fixedly connected with the upper die plate (2), and the upper die plate (2) is connected to a press table through the dovetail (1).
  7. 7. The seat device for hot forging and punching two pieces at a time according to claim 1, wherein the punching female die (12) is pressed and fixed on the lower die holder (16) through a pressing iron (13).
  8. 8. A two-piece carrier assembly for hot forging and punching according to claim 1, wherein the center of the two punch holders (4) forms an angle of 30 ° with the horizontal, and the center connecting line of the two punching dies (12) forms an angle of 30 ° with the horizontal.
  9. 9. The seat device for hot forging and punching two pieces at a time is characterized in that a milling flat groove is formed in the cylindrical surface of a punch (5), an opening groove is formed in a lower die seat (16) located at a punching female die (12), and U-shaped grooves are formed in the periphery of an upper die plate (2).
  10. 10. A two-piece seat device for hot forging and punching according to claim 1, characterized in that the stripper plate (9) is provided with a through hole for the punch (5) and the punch seat (4) to pass through; The lower die holder (16), the supporting tube (11) and the material returning plate (9) are fixedly connected through a hexagonal bolt (10).

Description

Seat device for hot forging and punching two pieces at one time Technical Field The utility model belongs to the technical field of punching dies, and relates to a seat device for hot forging and punching two pieces at a time. Background The punching is to punch out the connecting skin of the forgings with holes on a press, and the connecting skin is a process dressing preset for forming holes. Punching is performed after die forging forming, the temperature of the forging piece is still about 1000 ℃, and the punching is one of the subsequent procedures of die forging. After the existing high-energy screw press with automatic development trend and high efficiency of companies, electric press and other equipment are put into use, a main machine forges a final forging one-hammer for forming, and the production frequency is high, so that the operation efficiency of each station needs to be improved. Aiming at the fact that the working table surface of the punching press is large and the punching force is small, the die holder for punching two forgings at one time is designed, so that the punching efficiency is improved. The disclosed die structure for hot forging and punching two pieces at a time is not known at present. Disclosure of utility model Aiming at the problems in the prior art, the utility model provides a seat device for punching two pieces at one time by hot forging, which realizes the die holders for punching two forgings at one time by scientific improvement so as to improve the punching efficiency, the quality of forgings and reduce the cost. The utility model is realized by the following technical scheme: a seat device for punching two pieces at one time by hot forging and punching comprises, The upper die structure comprises an upper die plate, two punch seats symmetrically and obliquely arranged on the upper die plate and a punch, wherein the punch seats are matched with the punch; The lower die structure comprises a lower die seat, two punching female dies and a support tube, wherein the two punching female dies and the support tube are symmetrically arranged on the lower die seat; Guide mechanisms are arranged on two sides of the upper die plate, and the guide mechanisms are located between the upper die plate and the lower die base. The long screw bolt is embedded in the groove of the upper die plate, the rod part of the long screw bolt sequentially penetrates through the central holes of the upper die plate and the punch seat and is in threaded connection with the punch to form a long screw connection punch quick-change structure, and the punch seat and the punch are in surface contact positioning in the vertical direction and are in radial small clearance fit installation. Preferably, the guide mechanism comprises a guide post and guide sleeves, wherein the guide post is arranged on two sides of the upper die plate, the guide sleeves are embedded in holes of the lower die base, and the guide post and the guide sleeves are installed in a clearance fit manner. Preferably, the guide post is fixed on the upper template through a hexagonal screw; The guide sleeve is fixed on the lower die holder through an inclined plane compression structure of the guide sleeve gland, The guide post is fixed on the upper die plate through an inclined plane pressing structure of the guide post pressing cover; the guide pillar gland is connected with the upper die plate, and the guide sleeve gland is connected with the lower die holder. Preferably, the guide sleeve adopts a two-section guide structure, and comprises a preliminary guide section with an upper opening inclined plane and a vertical guide section at the lower part. Preferably, the upper surface of cope match-plate pattern is provided with the forked tail, forked tail and cope match-plate pattern fixed connection, and the cope match-plate pattern passes through the forked tail to be connected on the press workstation. Preferably, the punching female die is fixed on the lower die holder through pressing iron. Preferably, the centers of the two punch holders form an included angle of 30 degrees with the horizontal direction, the connecting line of the centers of the two punching female dies form an included angle of 30 degrees with the horizontal direction, and the distance between the two punch holders is smaller than 1/5 of the span of a standard press workbench in the horizontal direction. Preferably, a milling flat groove is formed in the cylindrical surface of the punch, an opening groove is formed in the lower die seat, located at the punching female die, of the punch, and U-shaped grooves are formed in the periphery of the upper die plate. Preferably, the material returning plate is provided with a through hole for the punch and the punch seat to pass through; The lower die holder, the supporting tube and the material returning plate are fixedly connected through hexagonal bolts. Compared with the prior art, the utility model has the following