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CN-224224426-U - Injection molding die with cylinder vertical glue injection port

CN224224426UCN 224224426 UCN224224426 UCN 224224426UCN-224224426-U

Abstract

The utility model relates to the technical field of injection molding, in particular to an injection molding die with a cylinder vertical glue injection port, which comprises an upper die, a lower die and a cylinder forming die core, wherein the cylinder forming die core is arranged in the lower die, the upper die and the lower die can move relatively or oppositely, the cylinder forming die core comprises a head end positioning structure, a tail end positioning structure and a thread forming structure, and the head end positioning structure and the tail end positioning structure are in an outward expansion shape. The utility model effectively solves the problem that the prior cylindrical thin-wall product is easy to cause uneven thickness distribution during processing, forms the cylindrical product by adopting the pouring channel vertical to the injection molding space, and forms the cylindrical thin-wall workpiece under the combined action of the head end positioning column, the injection molding space and the tail end positioning structure, thereby leading the formed thin-wall workpiece to have higher strength and more uniform wall thickness under the action of the forming mode.

Inventors

  • TONG BIN
  • DUAN ZHENWEI
  • CHEN MINGXUAN
  • LI RENFA
  • XU MINGYI
  • PAN GUANGHAO

Assignees

  • 珠海市微创科技有限公司

Dates

Publication Date
20260512
Application Date
20250425

Claims (7)

  1. 1. The utility model provides an injection moulding mould with perpendicular injecting glue mouth of cylinder, includes mould (1), lower mould (2) and cylinder moulded die benevolence, cylinder moulded die benevolence locate in lower mould (2) with the space of stepping down in last mould (1) constitute cylinder injection moulding space, can relatively or move in opposite directions between last mould (1) and lower mould (2), its characterized in that, cylinder moulded die benevolence includes head end location structure, tail end location structure and screw thread shaping structure, head end location structure and tail end location structure all are the expansion form of outside inflation, head end location structure and tail end location structure all can slide relative lower mould (2), head end location structure and tail end location structure lock form the interior post of cylinder form.
  2. 2. The injection molding die with the vertical cylinder injection port according to claim 1, further comprising a pouring port (3) which is arranged in the upper die (1) and is vertical to the axis of the cylinder injection molding space, wherein molten plastic enters the cylinder injection molding space through the pouring port (3).
  3. 3. The injection molding die with the cylinder vertical glue injection port according to claim 2, wherein the head end positioning structure comprises an air cylinder (4), a head end buckling and compressing block (5) and a head end molding column (6), the head end buckling and compressing block (5) is fixedly connected with the output end of the air cylinder (4), the head end buckling and compressing block (5) is slidably connected with the lower die (2), and the head end molding column (6) is fixedly connected with the head end buckling and compressing block (5) and can be inserted into a cylinder injection molding space.
  4. 4. The injection molding die with the cylinder vertical glue injection port according to claim 1, wherein the head end positioning structure further comprises a spiral heat dissipation assembly, and the spiral heat dissipation assembly is arranged in the head end molding column (6) and used for heat dissipation and solidification after injection molding.
  5. 5. The injection molding die with the vertical cylinder glue injection port of claim 4, wherein the spiral heat dissipation assembly comprises a liquid inlet pipe (7), a liquid outlet pipe (8) and a heat dissipation column (9), a heat dissipation channel (10) with a double-spiral structure is formed at one end of the heat dissipation column (9) inserted into the head end molding column (6), and two spiral starting ends of the heat dissipation channel (10) are respectively connected with the liquid inlet pipe (7) or the liquid outlet pipe (8), and two spiral terminal ends of the heat dissipation channel (10) are communicated.
  6. 6. The injection molding die with the cylinder vertical glue injection port of claim 5, wherein the tail end positioning structure comprises a tail end buckling and compressing block (11), the tail end buckling and compressing block (11) is slidably connected with the lower die (2), the opposite surfaces of the tail end buckling and compressing block (11) and the head end buckling and compressing block (5) are inclined surfaces inclined back to the lower die (2), and a compressing groove attached to the inclined surfaces is formed in the upper die (1).
  7. 7. The injection molding die with the cylinder vertical glue injection port according to claim 6, wherein the tail end positioning structure further comprises an inclined groove (12) and a driving column (13), the inclined groove (12) is formed in the tail end buckling and pressing block (11) and is the same as the inclined surface in inclined direction, and the driving column (13) is arranged in the upper die (1) and can be inserted into the inclined groove (12) to drive the tail end buckling and pressing block (11) through the inclined groove (12).

Description

Injection molding die with cylinder vertical glue injection port Technical Field The utility model relates to the technical field of injection molding, in particular to an injection molding die with a cylinder vertical glue injection port. Background The injection molding process is based on the principle that granular or powdery raw materials are added into a hopper of an injection machine, the raw materials are heated and melted to be in a flowing state, and the raw materials are pushed by a screw rod or a piston of the injection machine to enter a mold cavity through a nozzle and a pouring system of the mold, and are hardened and shaped in the mold cavity. When the existing injection molding is carried out, the position of the pouring gate is generally positioned at the end part, the molten state is pressurized through a certain pressure, the molten state plastic after the pressurization enters a molding cavity, and the product is molded through the shape of the molding cavity, but when the existing cylindrical thin-wall product is injection molded, the uneven thickness condition is caused by longer hot runner, so that the yield of the product is reduced. Disclosure of utility model Aiming at the situation, in order to overcome the defects of the prior art, the utility model aims to provide the injection molding die with the cylinder vertical glue injection port, which effectively solves the problem that the thickness distribution is uneven when the existing cylindrical thin-wall product is processed. The technical scheme is that the injection molding die with the cylinder vertical glue injection port comprises an upper die, a lower die and a cylinder forming die core, wherein the cylinder forming die core is arranged in the lower die and a yielding space in the upper die to form a cylinder injection molding space, the upper die and the lower die can move relatively or oppositely, the cylinder forming die core comprises a head end positioning structure, a tail end positioning structure and a thread forming structure, the head end positioning structure and the tail end positioning structure are in an outward expansion shape, the head end positioning structure and the tail end positioning structure can slide relative to the lower die, and the head end positioning structure and the tail end positioning structure are buckled to form a cylinder-shaped inner column. Preferably, the injection molding device further comprises a pouring opening which is arranged in the upper die and is perpendicular to the axis of the cylinder injection molding space, and the molten plastic enters the cylinder injection molding space through the pouring opening. Preferably, the head end positioning structure comprises a cylinder, a head end buckling and compressing block and a head end forming column, the head end buckling and compressing block is fixedly connected with the output end of the cylinder, the head end buckling and compressing block is slidably connected with the lower die, and the head end forming column is fixedly connected with the head end buckling and compressing block and can be inserted into the cylinder injection molding space. Preferably, the head end positioning structure further comprises a spiral heat dissipation assembly, and the spiral heat dissipation assembly is arranged in the head end forming column and used for heat dissipation and solidification after injection molding. Preferably, the spiral heat dissipation assembly comprises a liquid inlet pipe, a liquid outlet pipe and a heat dissipation column, wherein a heat dissipation channel with a double-spiral structure is arranged at one end of the heat dissipation column inserted into the head end forming column, two spiral starting ends of the heat dissipation channel are respectively connected with the liquid inlet pipe or the liquid outlet pipe, and two spiral terminal ends of the heat dissipation channel are communicated. Preferably, the tail end positioning structure comprises a tail end buckling and compressing block, the tail end buckling and compressing block is in sliding connection with the lower die, the back surfaces of the tail end buckling and compressing block and the head end buckling and compressing block are inclined surfaces inclined back to the lower die, and a compressing groove attached to the inclined surfaces is formed in the upper die. Preferably, the tail end positioning structure further comprises an inclined groove and a driving column, the inclined groove is formed in the tail end buckling and compressing block and has the same inclined direction with the inclined surface, and the driving column is arranged in the upper die and can be inserted into the inclined groove to drive the tail end buckling and compressing block through the inclined groove. The beneficial effects of the utility model are as follows: According to the utility model, the cylindrical product is molded by adopting the pouring channel vertical to the inje