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CN-224222520-U - Pressure balance structure of multi-station die

CN224222520UCN 224222520 UCN224222520 UCN 224222520UCN-224222520-U

Abstract

The utility model relates to the technical field of stamping dies, and particularly discloses a pressure balance structure of a multi-station die, which comprises a support frame body, wherein the upper surface of the support frame body is fixedly connected with a lower die seat, the upper surface of the lower die seat is fixedly provided with a lower die, the upper surface of the support frame body is fixedly connected with an upper support plate, the upper surface of the upper support plate is fixedly connected with a transmission cylinder, the output end of the transmission cylinder penetrates through the upper surface of the upper support plate, and the output end of the transmission cylinder is fixedly connected with the upper die seat. According to the pressure balance structure of the multi-station die, the positions of the lower embedded block and the upper embedded block can be flexibly adjusted through the adjusting limiting mechanism, the layout of the embedded blocks is changed according to the deviation condition of the die pressure center, and the stamping force points are adjusted, so that the die pressure center and the punch center tend to be consistent, the die unbalanced load is reduced, the die service life is prolonged, the stamping part precision is improved, and the defects of deviation, distortion and the like of a workpiece due to uneven stress are avoided.

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 utility model provides a pressure balance structure of multistation mould, includes support frame body (1), its upper surface fixedly connected with die holder (2), die holder (2) upper surface fixed mounting has die holder (3), wherein support frame body (1) upper surface fixedly connected with upper supporting plate (4), upper surface fixedly connected with transmission cylinder (5) of upper supporting plate (4), the output of transmission cylinder (5) runs through upper surface of upper supporting plate (4), and the output fixedly connected with die holder (6) of transmission cylinder (5), die holder (6) lower surface fixedly connected with upper mould (7), die holder (2) surface through-mounting has waste collection groove (8), die holder (3) and upper mould (7) side surface all have seted up regulation fluting (9), installation cavity (10) have been seted up to the inner wall of regulation fluting (9), the inner wall of installation cavity (10) is provided with drive gear (11), 2 fixedly connected with linkage cylinder (12) between the device of drive gear (11), one side fixedly connected with adjustment cavity (13) and regulation cavity (13) are installed between pivot (13), the lower embedded block (18) and the upper embedded block (19) are limited by the rotation control supporting cylinder (16) and the locking clamping plate (17) which are driven by the adjusting rotating shaft (13) and the linkage cylinder (12) to drive the 2 transmission gears (11) to rotate and further drive the limiting gears (14) and the limiting screws (15) to rotate.
  2. 2. The pressure balance structure of a multi-station die set according to claim 1, wherein the upper die holder (6) is in sliding connection with the support frame body (1), the waste collection tank (8) is of a bucket-shaped design, and the waste collection tank (8) is communicated with the lower die set (3).
  3. 3. The pressure balance structure of a multi-station die as claimed in claim 1, wherein the adjusting slot (9) is in a strip shape, the lower mounting cavity (10) penetrates through the lower surface of the lower die (3), and the lower mounting cavity (10) is communicated with the waste collecting tank (8).
  4. 4. The pressure balance structure of a multi-station die as claimed in claim 1, wherein the transmission gears (11) are rotatably connected with the mounting cavity (10), the 2 transmission gears (11) are symmetrically arranged, the linkage cylinder (12) and the transmission gears (11) are coaxially arranged, and one ends of the 2 adjusting rotating shafts (13) respectively penetrate through the front surfaces of the lower die (3) and the upper die (7).
  5. 5. The pressure balance structure of the multi-station die as claimed in claim 1, wherein the adjusting and limiting mechanism comprises a limiting gear (14), the limiting gear (14) is arranged above the transmission gear (11), one end of a rotating shaft of the limiting gear (14) is fixedly connected with a limiting screw (15), a supporting cylinder (16) is mounted on the outer surface of the limiting screw (15), one end of the supporting cylinder (16) is fixedly connected with a locking clamping plate (17), a lower insert (18) is arranged in the adjusting slot (9) below, and an upper insert (19) is arranged in the adjusting slot (9) above.
  6. 6. The pressure balance structure of a multi-station die as set forth in claim 5, wherein the limiting gear (14) is rotatably connected with the mounting cavity (10), and the limiting gear (14) is engaged with the transmission gear (11).
  7. 7. The pressure balance structure of a multi-station die according to claim 5, wherein the limit screw (15) is in threaded connection with the support cylinder (16), the locking clamping plate (17) is in sliding connection with the mounting cavity (10), the locking clamping plate (17) penetrates through the inner wall of the adjusting slot (9), the surface of the lower insert (18) is provided with a slot, and the lower surface of the upper insert (19) is provided with a bump corresponding to the lower insert (18).

Description

Pressure balance structure of multi-station die Technical Field The utility model relates to the technical field of stamping dies, in particular to a pressure balance structure of a multi-station die. Background The alignment of the pressure center and the punch center is the gold rule of the stamping process, the essence is that the cooperative optimization of equipment, a die and a product is realized through mechanical balance, the principle is ignored, the cost is increased and the safety risk is caused, if the pressure center is not coincident with the center line of a slide block of the punch, the die bears partial load, the local abrasion of a die guide mechanism, a working part and the like is increased, the service life of the die is reduced, the pressure center is not in a proper position, a workpiece is subjected to uneven force during stamping, thereby generating deflection, distortion and the like, affecting the dimensional precision and form tolerance of the workpiece, ensuring that the pressure center is consistent with the center of the slide block of the punch, ensuring that the stress of the punch is even, avoiding the accelerated abrasion of the slide block, the guide rail and the like due to the partial load, reducing the occurrence of punch faults and prolonging the service life of the punch. In the prior art, during stamping, the forming characteristics of the product are mainly concentrated in the front half part of the die, so that the pressure center of the die is too far forward, and the center of the punch is positioned at the rear side of the pressure center, so that the alignment of the pressure center and the center of the punch is obviously difficult to achieve due to the deviation of the die and the center of the punch. Disclosure of utility model The utility model aims to provide a pressure balance structure of a multi-station die, which aims to solve the problems that the forming characteristics of products proposed in the background art are mainly concentrated on the front half part of the die, so that the center of the die is too far forward, and the center of a punch is positioned at the rear side of the center of the pressure, so that the offset of the die and the center of the punch is obviously difficult to align the center of the pressure with the center of the punch. The pressure balance structure comprises a support frame body, wherein the upper surface of the support frame body is fixedly connected with a lower die holder, the lower die holder is fixedly arranged on the upper surface of the lower die holder, the upper surface of the support frame body is fixedly connected with an upper support plate, the upper surface of the upper support plate is fixedly connected with a transmission cylinder, the output end of the transmission cylinder penetrates through the upper surface of the upper support plate, the output end of the transmission cylinder is fixedly connected with an upper die holder, the lower surface of the upper die holder is fixedly connected with an upper die, the surface of the lower die holder is penetrated and provided with a waste collection groove, the side surfaces of the lower die and the upper die are respectively provided with an adjusting slot, the inner wall of each adjusting slot is provided with a mounting cavity, the inner wall of each mounting cavity is provided with a transmission gear, 2 devices of the transmission gears are fixedly connected with a linkage cylinder, one side of the transmission gears is fixedly connected with an adjusting rotating shaft, and an adjusting limiting mechanism is arranged between each adjusting slot and each mounting cavity and drives 2 transmission gears to rotate through the adjusting rotating shaft and the corresponding limiting control cylinder and the corresponding limiting screw to rotate the corresponding to the corresponding control cylinder and the corresponding locking support block and the corresponding lower clamping block to limit block. Preferably, the upper die holder and the support frame body form sliding connection, the waste collection groove is of a bucket-shaped design, and the waste collection groove is communicated with the lower die. By adopting the technical scheme, the waste collection tank is in a bucket-shaped design and is communicated with the lower die, the bucket-shaped design is convenient for the waste to naturally slide down and collect, the waste generated by stamping can directly fall into the collection tank through the communication structure, the impact of the waste accumulation on stamping operation and die service life in the die is avoided, the frequency of cleaning the die waste is reduced, and the production efficiency is improved. Preferably, the adjusting slot is in a strip shape, the lower mounting cavity penetrates through the lower surface of the lower die, and the lower mounting cavity is communicated with the waste collecting tank. By adopting the technic