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CN-121972569-A - Negative angle bidirectional slide block forming die structure

CN121972569ACN 121972569 ACN121972569 ACN 121972569ACN-121972569-A

Abstract

The invention discloses a negative angle bidirectional slide block forming die structure, which comprises an upper die assembly and a lower die assembly, wherein negative angle bending of a product is completed through cooperative movement of the upper die assembly and the lower die assembly, the upper die assembly comprises an upper die holder, a slotting tool fixedly connected with one side of the bottom end of the upper die holder, a return block fixedly connected with a slotting tool side screw, a first nitrogen spring fixedly connected with the bottom of the upper die holder, a material returning plate body connected with the telescopic end of the first nitrogen spring, a material returning plate insert fixedly connected with the bottom end of the material returning plate body and a pressing plate.

Inventors

  • CHEN XUEYOU
  • SHEN HAIBO

Assignees

  • 佛山市顺德区赛恩特实业有限公司

Dates

Publication Date
20260505
Application Date
20260311

Claims (10)

  1. 1. The utility model provides a negative angle bidirectional slide block forming die structure, includes mould subassembly and lower mould subassembly, accomplishes the negative angle bending of product through the motion of last mould subassembly and lower mould subassembly, a serial communication port, go up mould subassembly and include upper die base (1), upper die base (1) bottom one side fixed connection's slotting tool (2), slotting tool (2) side screw fixed connection's return stroke piece (3), upper die base (1) bottom fixed connection's first nitrogen spring (4), first nitrogen spring (4) flexible end connection's material returning plate body (5), material returning plate insert (6) and clamp plate (7) of material returning plate body (5) bottom fixed connection; The lower die assembly comprises a lower die holder (21), a slider base (20) fixedly connected with one side of a slotting tool (2) corresponding to the top end of the lower die holder (21), guide blocks (18) fixedly connected with two sides of the upper end of the slider base (20), a slider body (17) slidably connected between the guide blocks (18) on two sides, a base plate (16) fixedly connected with one side of the slider body (17), a clamping plate (15) fixedly connected with one side of the base plate (16), a side pushing bending block (10) clamped inside the clamping plate (15), a lower die body (14) fixedly connected with one side of the side pushing bending block (10) and a second nitrogen spring (23) longitudinally fixedly connected with one side of the lower die body (14) and a floating plate (9) and a slider seat (12) fixedly connected with the telescopic top end of the second nitrogen spring (23).
  2. 2. The negative angle bidirectional slide block forming die structure according to claim 1, wherein the upper end of the floating plate (9) is provided with a negative angle bending part (8) in a matched manner.
  3. 3. The negative-angle bidirectional slide block forming die structure according to claim 1, wherein a stroke block (13) is fixedly connected to the bottom end of the slide block body (17).
  4. 4. The negative angle bidirectional slide block forming die structure according to claim 1, wherein a groove for limiting the travel of the travel block (13) is arranged at the upper end of the slide block base (20), and a transverse nitrogen spring (22) is arranged in the groove.
  5. 5. A negative angle bidirectional slide block molding die structure as claimed in claim 3, wherein the stroke block (13) extends to the recess interior and is connected to the telescopic end of the transverse nitrogen spring (22).
  6. 6. The negative-angle bidirectional slide block forming die structure according to claim 1, wherein the bending slide block seat (12) is longitudinally slidably engaged with the bending slide block main body (11) at one side of the float plate (9).
  7. 7. The negative-angle bidirectional slide block forming die structure according to claim 1, wherein a wear-resistant plate (19) is fixedly connected to one side of the upper end of the slide block body (17) right below the insert knife (2).
  8. 8. The negative angle bidirectional slide block forming die structure as recited in claim 1, wherein the slide block body (17) is symmetrically provided with oblique grooves (1701) on both sides.
  9. 9. The negative angle bidirectional slide block forming die structure as set forth in claim 8, wherein square grooves (201) are formed at the connection parts of the side edges of the slotting tool (2) and the return blocks (3).
  10. 10. The negative angle bidirectional slide block forming die structure according to claim 9, wherein one end of the return block (3) is in fit and sleeved in the square groove (201) and fixed by a screw, and the bottom end of the return block (3) corresponds to the chute (1701) and is in sliding connection.

Description

Negative angle bidirectional slide block forming die structure Technical Field The invention relates to the technical field of cold stamping dies, in particular to a negative angle bidirectional slide block forming die structure for a cold stamping part. Background In traditional cold stamping production, the product negative angle bending process often needs a single-punch die to be operated for multiple times, and the single-punch die needs multiple times of clamping and stamping, so that product precision is easy to be reduced and die abrasion is easy to cause. Disclosure of Invention The technical scheme includes that the negative angle bidirectional slide block forming die structure is used for forming a negative angle of a cold stamping part of an automobile instrument panel bracket, and comprises an upper die assembly and a lower die assembly, and negative angle bending of a product is completed through cooperative movement of the upper die assembly and the lower die assembly, wherein the upper die assembly comprises an upper die seat, a slotting tool fixedly connected with one side of the bottom end of the upper die seat, a return block fixedly connected with a slotting tool side screw, a first nitrogen spring fixedly connected with the bottom of the upper die seat, a material returning plate body connected with a first nitrogen spring telescopic end, a material returning plate insert fixedly connected with the bottom end of the material returning plate body and a pressing plate; the lower die assembly comprises a lower die holder, a slider base, a guide block, a slider body, a base plate, a clamping plate, a side pushing bending block, a lower die body, a second nitrogen spring, a floating plate and a bending slider seat, wherein the slider base is fixedly connected with one side of the lower die holder, the top end of the lower die holder corresponds to one side of a slotting tool, the guide block is symmetrically and fixedly connected with two sides of the upper end of the slider base, the slider body is slidably connected between the guide blocks on two sides, the end of one side of the slider body is fixedly connected with a base plate, the clamping plate is fixedly connected with one side of the base plate, the side pushing bending block is clamped inside the clamping plate, the top end of the lower die holder is close to one side of the side pushing bending block, the top end of the lower die holder is located on one side of the lower die body, and the floating plate is longitudinally and fixedly connected with the second nitrogen spring. As a preferable technical scheme of the invention, the upper end of the floating plate is provided with a negative angle bending part in a matched manner. As a preferable technical scheme of the invention, the bottom end of the sliding block body is fixedly connected with a travel block. As a preferable technical scheme of the invention, a groove for limiting the travel of the travel block is arranged at the upper end of the slider base, and a transverse nitrogen spring is arranged in the groove. As a preferable technical scheme of the invention, the travel block extends to the inside of the groove and is connected with the telescopic end of the transverse nitrogen spring. As a preferable technical scheme of the invention, the bending slide block seat is provided with a bending slide block main body in longitudinal sliding fit with one side of the floating plate. As a preferable technical scheme of the invention, one side of the upper end of the sliding block body, which is right opposite to the lower side of the inserting knife, is fixedly connected with a wear-resisting plate. As a preferable technical scheme of the invention, the two sides of the sliding block body are symmetrically provided with the inclined grooves. As a preferable technical scheme of the invention, a square groove is formed at the joint of the side edge of the slotting tool and the return block. As a preferable technical scheme of the invention, one end of the return block is in fit and sleeved in the square groove and fixed by a screw, and the bottom end of the return block corresponds to the chute and is in sliding connection. The invention has the following advantages: the sliding block is matched with the chute of the sliding block body in a sliding way, the sliding block is used as a reset guide piece when the sliding block is upwards arranged, a transverse nitrogen spring is assisted to pull the sliding block to accurately return, and meanwhile, the inclined surface of the sliding block is matched with the abrasion-resistant plate of the sliding block, so that the sliding block has the functions of motion guiding and abrasion-resistant protection, and the single structure realizes multiple functions of power transmission, reset guiding and motion abrasion resistance; The chute is arranged at two sides of the sliding block body, the upper end of the sliding block body is provided