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CN-224209044-U - Warm upsetting forming equipment

CN224209044UCN 224209044 UCN224209044 UCN 224209044UCN-224209044-U

Abstract

The utility model provides warm upsetting forming equipment which comprises a beam forming die for forming a raw material into a beam for machining a bolt, a pre-upsetting die for forming one end of the beam into a pre-upsetting portion for machining a bolt head, a shaping die for forming the pre-upsetting portion into a bolt head blank, a shaping die for forming the bolt head blank into a bolt head fine blank, a final upsetting die for forming the bolt head fine blank into a bolt head, and continuous matching of a plurality of groups of dies, so that efficient and high-quality forming from the raw material to the bolt head is realized, production efficiency is improved, product quality is improved, material loss is reduced, service life of the die is prolonged, and subsequent machining is reduced, and the warm upsetting forming equipment is particularly suitable for mass production of high-strength bolts.

Inventors

  • LIAN SHIHUI
  • YANG TIANHONG
  • ZHOU MIN
  • SHI YIQI
  • ZHOU XINYU
  • ZHU CHANGHONG

Assignees

  • 湖南申亿精密零部件股份有限公司
  • 湖南申亿智能制造有限公司

Dates

Publication Date
20260508
Application Date
20250415

Claims (9)

  1. 1. A warm heading forming apparatus, comprising: A beam rod die (1) for forming a raw material into a beam rod for processing a bolt; A pre-upsetting die (2) for forming one end of the binding rod into a pre-upsetting part for processing into a bolt head; The shaping die (3) is used for shaping the pre-upsetting part into a bolt head blank; A shaping die (4) for shaping the bolt head blank into a bolt head fine blank; And the final upsetting die (5) is used for forming the bolt head fine blank into a bolt head.
  2. 2. The warm-heading forming apparatus of claim 1, further comprising a thread die for threading a portion of the shank to form a screw.
  3. 3. The warm upsetting forming device according to claim 1, wherein the beam die (1) comprises a beam bottom die (12) and a beam die (11) which is matched with the beam bottom die (12) to finish beam processing, the beam die (11) comprises a beam die main body (115), a beam die thimble (111) arranged at the end of the die main body, a beam inner pad (112) arranged at the side of the beam die thimble (111), a beam die rear pad (114) arranged at the other end of the die main body, and a beam spring (113) supported between the beam inner pad (112) and the beam die rear pad (114), the beam bottom die (12) comprises a beam bottom die main body (124), a beam thimble (122) arranged at the end of the beam bottom die main body (124), a beam thimble sleeve (123) arranged at the side of the beam thimble (122), and a beam rear pad (121) arranged at the other end of the beam bottom die main body (124).
  4. 4. The warm upsetting forming device according to claim 1, wherein the pre-upsetting die (2) comprises a pre-upsetting die (22) and a pre-upsetting die (21) matched with the pre-upsetting die (22) to finish a pre-upsetting head, the pre-upsetting die (21) comprises a pre-upsetting die main body (214), a pre-upsetting die thimble (211) arranged at the end of the pre-upsetting die main body (214), a pre-upsetting die rear cushion (213) arranged at the other end of the pre-upsetting die main body (214) and a pre-upsetting inner cushion (212) supported between the pre-upsetting die thimble (211) and the pre-upsetting die rear cushion (213), the pre-upsetting die (22) comprises a pre-upsetting die main body (224), a pre-upsetting die thimble (222) arranged at the end of the pre-upsetting die main body (224), a pre-upsetting rear cushion (221) arranged at the other end of the pre-upsetting die main body (222) and a pre-upsetting thimble sleeve (223) supported between the pre-upsetting die thimble (221).
  5. 5. The warm upsetting forming device according to claim 1, wherein the forming die (3) comprises a forming die (32) and a forming die (31) matched with the forming die (32) to finish a bolt head blank, the forming die (31) comprises a forming die main body (312) and a forming die rear pad (311) arranged at the end part of the forming die main body (312), the forming die (32) comprises a forming die main body (324), a forming die ejector pin (322) arranged at the end part of the forming die main body (324), a forming die rear pad (321) arranged at the other end of the forming die main body (324) and a forming ejector pin sleeve (323) supported between the forming die ejector pin (322) and the forming die rear pad (321).
  6. 6. The warm upsetting forming apparatus as recited in claim 1, wherein the forming die (4) includes a forming die (42) and a forming die (41) that cooperates with the forming die (42) to finish a bolt head finish blank, the forming die (41) includes a forming die body (414), a forming die ejector pin (411) provided at an end of the forming die body (414), a forming die rear pad (413) provided at the other end of the forming die body (414), and a forming inner pad (412) supported between the forming die ejector pin (411) and the forming die rear pad (413), the forming die (42) includes a forming die body (424), a forming die ejector pin (422) provided at an end of the forming die body (424), a forming rear pad (421) provided at the other end of the die body (424), and a forming ejector pin bush (423) supported between the forming ejector pin (422) and the forming die rear pad (421).
  7. 7. The warm upsetting forming apparatus as recited in claim 1, wherein the final upsetting die (5) includes a final upsetting die (52) and a final upsetting die (51) for finishing a bolt head in cooperation with the final upsetting die (52), the final upsetting die (51) includes a final upsetting die body (514), a final upsetting die thimble (511) provided at an end of the final upsetting die body (514), a final upsetting die back pad (513) provided at the other end of the final upsetting die body (514), and a final upsetting inner pad (512) supported between the final upsetting die thimble (511) and the final upsetting die back pad (513), the final upsetting die (52) includes a final upsetting die body (524), a final upsetting die thimble (522) provided at an end of the final upsetting die body (524), a final upsetting back pad (521) provided at the other end of the final upsetting die body (522), and a final upsetting thimble jacket (523) supported between the final upsetting die thimble (522) and the final upsetting back pad (521).
  8. 8. The warm-heading forming apparatus according to claim 1, further comprising a gripping mechanism for moving the processed raw material at the bundle bar die (1), the pre-heading die (2), the shaping die (3), the shaping die (4) and the final-heading die (5), and a control unit for controlling the gripping mechanism.
  9. 9. The warm upsetting forming device according to claim 8, characterized in that the pre-upsetting die (2), the shaping die (3), the shaping die (4) and the final upsetting die (5) are provided with position sensors for detecting entered materials, and the position sensors are in communication connection with the control unit.

Description

Warm upsetting forming equipment Technical Field The utility model relates to the technical field of metal material processing, in particular to warm upsetting forming equipment. Background In the field of fastener manufacture, particularly in the industries of machinery, automobiles, aerospace and the like, there is an increasing demand for high strength, high quality bolts. The traditional cold heading and hot heading processes have obvious defects in manufacturing large-specification and high-strength fasteners, namely, the cold heading has high requirements on materials and limited equipment capacity, and the hot heading has the problems of low efficiency, large pollution, unstable quality and the like. These limitations have prompted the development of a warm heading process that significantly improves the plasticity and forming ability of the material by upsetting the metal material at a specific temperature, which can better meet the manufacturing requirements of high strength fasteners. With the wide application of the warm heading process, the die design also faces higher requirements, including material selection, structural optimization, strength improvement, precision control and the like. When the existing mold design is used for high-strength materials such as high-temperature alloy, the molding quality and the service life of the mold are often difficult to be combined. Disclosure of utility model The utility model aims to provide warm upsetting forming equipment, which realizes high-efficiency and high-quality forming from raw materials to bolt heads through continuous matching of a plurality of groups of dies, improves production efficiency, improves product quality, reduces material loss, prolongs the service life of the dies and reduces subsequent processing, and is particularly suitable for mass production of high-strength bolts. In order to achieve the above purpose, the technical scheme of the utility model is realized as follows: The utility model provides warm upsetting forming equipment, which comprises: A beam rod mold for molding a raw material into a beam rod for processing a bolt; the pre-upsetting die is used for forming one end of the beam rod into a pre-upsetting part for machining a bolt head; the shaping die is used for shaping the pre-upsetting part into a bolt head blank; the shaping die is used for shaping the bolt head blank into a bolt head fine blank; And the final upsetting die is used for forming the bolt head fine blank into a bolt head. Specifically, in the present embodiment, a thread die for threading a portion of the bundle bar to form a screw is further included. Specifically, in this embodiment, the beam die comprises a beam die body and a beam die matched with the beam die body to complete beam processing, the beam die comprises a beam die body, a beam die thimble arranged at the end of the die body, a beam inner pad arranged at the side part of the beam die thimble, a beam die rear pad arranged at the other end of the die body, and a beam spring supported between the beam inner pad and the beam die rear pad, and the beam die comprises a beam die body, a beam die thimble arranged at the end of the beam die body, a beam ejector sleeve arranged at the side part of the beam die thimble, and a beam die rear pad arranged at the other end of the beam die body. Specifically, in this embodiment, the pre-upsetting die comprises a pre-upsetting die body, a pre-upsetting die pin matched with the pre-upsetting die body to complete a pre-upsetting head, the pre-upsetting die comprises a pre-upsetting die body, a pre-upsetting die pin arranged at the end of the pre-upsetting die body, a pre-upsetting die back cushion arranged at the other end of the pre-upsetting die body, and a pre-upsetting inner cushion supported between the pre-upsetting die pin and the pre-upsetting die back cushion, and the pre-upsetting die comprises a pre-upsetting die body, a pre-upsetting die pin arranged at the end of the pre-upsetting die body, a pre-upsetting die back cushion arranged at the other end of the pre-upsetting die body, and a pre-upsetting pin sleeve supported between the pre-upsetting die pin and the pre-upsetting die back cushion. Specifically, in this embodiment, the shaping die comprises a shaping die body, a shaping die rear pad arranged at the end of the shaping die body, a shaping die ejector pin arranged at the end of the shaping die body, a shaping die rear pad arranged at the other end of the shaping die body, and a shaping ejector pin sleeve supported between the shaping die ejector pin and the shaping die rear pad. Specifically, in this embodiment, the shaping die comprises a shaping die body, a shaping die tip installed at the end of the shaping die body, a shaping die rear cushion installed at the other end of the shaping die body, and a shaping inner cushion supported between the shaping die tip and the shaping die rear cushion, and the shaping die comprises a shapi