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CN-224210314-U - Forming die of thin-wall special-shaped composite material protective cover

CN224210314UCN 224210314 UCN224210314 UCN 224210314UCN-224210314-U

Abstract

A forming die for a thin-wall special-shaped composite material protective cover belongs to the technical field of composite material forming. The utility model solves the problems of low production efficiency and difficult molding of complex molded surfaces of the existing thin-wall special-shaped composite material protective cover. The first forming area is arranged at the top of the lower die, a first step and a second step are respectively arranged at two ends of the top of the lower die, the second forming area is arranged at the bottom of the upper die, a third step corresponding to the first step and a fourth step corresponding to the second step are respectively arranged at two ends of the bottom of the upper die, the second forming area is buckled and arranged above the first forming area, the third step is lapped on the corresponding first step, the fourth step is lapped on the corresponding second step, and the upper die and the lower die are fixedly connected through bolts. The integral laying molding of the thin-wall special-shaped composite material protective cover is realized through the matching of the upper die and the lower die, and the molding precision and the structural integrity of the complex curved surface of the thin-wall special-shaped composite material protective cover are ensured.

Inventors

  • LUO SHIWEN
  • WANG WEILI
  • TIAN ZHONGEN
  • LI GANG
  • WEI CHENG
  • JIA XUE
  • SHAN PENGYU
  • LI WENBIN

Assignees

  • 哈尔滨玻璃钢研究院有限公司

Dates

Publication Date
20260508
Application Date
20250428

Claims (9)

  1. 1. A forming die of a thin-wall special-shaped composite material protective cover is characterized by comprising an upper die (2) and a lower die (1), wherein a plurality of first ejection bolt holes are formed at two ends of the upper die (2), the lower die (1) comprises a first forming area (1-1), a first step (1-2) and a second step (1-3), the first forming area (1-1) is arranged at the top of the lower die (1), the longitudinal section of the first forming area (1-1) is an arc-shaped bulge, one end of the arc-shaped bulge is smoothly transited to a first inclined surface (1-4) with the first step (1-2), the other end of the arc-shaped bulge is smoothly transited to a second inclined surface (1-5) with the second step (1-3), two ends of the top of the lower die (1) are respectively provided with a first step (1-2) and a second step (1-3), the first step (1-2) comprises a first step table top (1-6) and a second step table top (1-7), the second step (1-3) comprises a third step (1-6) and a lower table top (1-8) is lower than the first inclined surface (1-3), the lower end of the second inclined surface (1-5) is lower than a third stepped table top (1-8), the upper die (2) comprises a second forming area (2-1), a third step (2-2) and a fourth step (2-3), the second forming area (2-1) is arranged at the bottom of the upper die (2), the longitudinal section of the second forming area (2-1) is an arc-shaped groove, two ends of the arc-shaped groove are respectively and smoothly transited into the third inclined surface (2-4) corresponding to the first inclined surface (1-4) and the fourth inclined surface (2-5) corresponding to the second inclined surface (1-5), two ends of the bottom of the upper die (2) are respectively provided with the third step (2-2) corresponding to the first step (1-2) and the fourth step (2-3) corresponding to the second step (1-3), the second forming area (2-1) is buckled above the first forming area (1-1), the third step (2-2) is in smooth transition with the third inclined surface (2-4) corresponding to the first step (1-4) and the fourth step (2-3) corresponding to the second step (1-2-3), and the second step (2-3) is fixedly connected with the lower die (1) through the second step (1-3).
  2. 2. The forming die of the thin-wall special-shaped composite material protective cover, as set forth in claim 1, is characterized in that rib plates (12) are arranged on two side surfaces of the upper die (2) and the lower die (1), and a plurality of first fastening bolt holes (4) are formed in the rib plates (12).
  3. 3. The forming die of the thin-wall special-shaped composite material protective cover according to claim 2, wherein rib plates (12) on two sides of the upper die (2) and the lower die (1) are fixedly connected with the side plates (3) respectively, second fastening bolt holes (5) corresponding to the first fastening bolt holes (4) are formed in the two side plates (3), and grooves (13) are formed in the side plates (3) close to positions between the first forming area (1-1) and the second forming area (2-1).
  4. 4. The forming die of the thin-wall special-shaped composite material protective cover according to claim 1, wherein a plurality of third fastening bolt holes (6) are formed in two ends of the upper die (2), fourth fastening bolt holes (7) corresponding to the third fastening bolt holes (6) up and down are formed in two ends of the lower die (1), and each third fastening bolt hole (6) and the corresponding fourth fastening bolt hole (7) are fixedly connected through bolts.
  5. 5. A forming die for a thin-wall special-shaped composite material protective cover according to claim 3, wherein a plurality of second ejection bolt holes (9) are respectively formed in the side plate (3).
  6. 6. The forming die of the thin-wall special-shaped composite material protective cover according to claim 5, wherein the first ejection bolt hole (8) and the second ejection bolt hole (9) are internally and respectively connected with an ejection bolt (10) in a threaded manner.
  7. 7. The forming die of the thin-wall special-shaped composite material protective cover according to claim 1, wherein the upper die (2) and the lower die (1) are positioned through taper pins.
  8. 8. A forming die for a thin-wall special-shaped composite material protective cover according to claim 3, wherein the upper die (2) and the two side plates (3) are positioned through cylindrical pins.
  9. 9. The forming die of the thin-wall special-shaped composite material protective cover according to claim 2 is characterized in that the upper die (2), the lower die (1) and the two side plates (3) are made of metal materials.

Description

Forming die of thin-wall special-shaped composite material protective cover Technical Field The utility model relates to a forming die of a thin-wall special-shaped composite material protective cover, and belongs to the technical field of composite material forming. Background The composite material protective cover is widely used on the outer wall of an aerospace profile, on one hand, the influence and interference of the environment on the working state of precision parts such as an internal sensor can be prevented, the working reliability of the composite material protective cover is improved, the internal precision parts can work in all weather, and on the other hand, the structural integrity and the good wave transmission performance are required to be maintained in severe working environments such as raindrop impact and loading. However, the composite material protective cover is integrally laid and formed, and the composite material protective cover is provided with a plurality of cambered surfaces and special-shaped surfaces for matching with complex protective curved surfaces, so that the existing thin-wall special-shaped composite material protective cover has the technical problems of low production efficiency and difficult molding of complex molded surfaces. Disclosure of utility model The utility model aims to solve the problems and further provides a forming die of the thin-wall special-shaped composite material protective cover. The technical scheme adopted by the utility model for solving the technical problems is as follows: The utility model provides a forming die of thin wall dysmorphism combined material safety cover, includes mould and lower mould, a plurality of first ejecting bolt holes are seted up at the both ends of going up the mould, the lower mould includes first shaping region, first ladder and second ladder, first shaping region sets up at the lower mould top, the longitudinal section of first shaping region is circular-arc protruding, smooth transition is first inclined plane between the bellied one end of circular-arc and the first ladder, smooth transition is the second inclined plane between the bellied other end of circular-arc and the second ladder, the both ends at lower mould top respectively set up first ladder and second ladder, first ladder includes first ladder mesa and second ladder mesa, the second ladder includes third ladder mesa and fourth ladder mesa, the low level end of first inclined plane is less than third ladder mesa, it is protruding that the longitudinal section of first shaping region is circular-arc, third ladder and fourth ladder, the longitudinal section of second shaping region is the recess that the circular-arc is smooth transition is the second inclined plane, the ladder is the second ladder recess that the first ladder is corresponding to the second inclined plane and the second ladder corresponds on the second mould and the second ladder corresponds the second inclined plane and the fourth ladder corresponds the second ladder corresponding to the second inclined plane and the fourth ladder corresponding to the second ladder region on the second mould, the second ladder corresponds the second ladder and the fourth ladder corresponds the second ladder and corresponds the second ladder top and the fourth ladder corresponds the landing top. Further, rib plates are arranged on two side faces of the upper die and the lower die, and a plurality of first fastening bolt holes are formed in the rib plates. Further, the rib plates on two sides of the upper die and the lower die are respectively fixedly connected with the side plates, second fastening bolt holes corresponding to the first fastening bolt holes are formed in the two side plates, and grooves are formed in positions, close to between the first forming areas and the second forming areas, of the side plates. Further, a plurality of third fastening bolt holes are formed in the two ends of the upper die, fourth fastening bolt holes corresponding to the third fastening bolt holes up and down are formed in the two ends of the lower die, and each third fastening bolt hole and the corresponding fourth fastening bolt hole are fixedly connected through bolts. Further, a plurality of second ejection bolt holes are respectively formed in the side plates. Further, each of the first ejection bolt hole and the second ejection bolt hole is internally and respectively connected with an ejection bolt in a threaded manner. Further, the upper die and the lower die are positioned through taper pins. Further, the upper die and the two side plates are positioned through cylindrical pins. Further, the upper die, the lower die and the two side plates are all made of metal materials. Compared with the prior art, the utility model has the following effects: according to the utility model, the convex surface of the thin-wall special-shaped composite material protection cover is formed through the upper die, the conca