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CN-224210517-U - Blow-molding ball windless pinhole die structure

CN224210517UCN 224210517 UCN224210517 UCN 224210517UCN-224210517-U

Abstract

The utility model discloses a blow-molding ball no-air-pinhole die structure which comprises a first die plate, a second die plate, a ball cavity core pulling, a driving assembly and an air needle assembly, wherein the first die plate and the second die plate are symmetrically arranged, the ball cavity core pulling is symmetrically arranged on the first die plate and the second die plate, the driving assembly is arranged at the outer side ends of the first die plate and the second die plate and is connected with the ball cavity core pulling, a cavity channel is concavely arranged on the die combining surface of the first die plate and the second die plate, the cavity channel is used for accommodating blanks, the air needle assembly is arranged at the bottom of the first die plate or the second die plate, the air needle assembly is used for blowing the blanks, the blanks are flatly attached in the ball cavity core pulling, and when the first die plate and the second die plate are matched, the symmetrical ball cavity core pulling is mutually close to cut off redundant blanks to form blow-molding balls. The mold structure of the utility model realizes the one-step molding of the blow molding ball without holes, does not need secondary processing, saves the production cost, and improves the production efficiency and the production quality of products.

Inventors

  • SHI WEISHENG
  • GU YANJUN
  • Ouyang yongzhong

Assignees

  • 利宾来塑胶工业（深圳）有限公司

Dates

Publication Date
20260508
Application Date
20250506

Claims (10)

  1. 1. The blow molding ball pinhole-free mold structure is characterized by comprising a first mold plate, a second mold plate, a ball cavity core pulling structure, a driving assembly and a wind needle assembly, wherein the first mold plate and the second mold plate are symmetrically arranged, the ball cavity core pulling structure is symmetrically arranged on the first mold plate and the second mold plate, the driving assembly is arranged at the outer side ends of the first mold plate and the second mold plate, the driving assembly is connected with the ball cavity core pulling structure, a cavity channel is concavely arranged on the die combining surface of the first mold plate and the die combining surface of the second mold plate, the cavity channel is used for accommodating a blank, the wind needle assembly is arranged at the bottom of the first mold plate or the second mold plate, the wind needle assembly is used for blowing the blank and expanding the blank and is attached in the ball cavity core pulling structure, and when the first mold plate and the second mold plate are assembled, the symmetrical ball cavity core pulling structures are mutually close to each other to cut off redundant blank to form a blow molding ball.
  2. 2. The blow-molded ball pinhole-free mold structure of claim 1, wherein a hemispherical cavity is formed at the inner side end of the core-pulling ball cavity, the blank is expanded and attached in the hemispherical cavity, a waterway is arranged in the core-pulling ball cavity, and the waterway is close to the hemispherical cavity.
  3. 3. The blow-molded ball windless pinhole die structure as defined in claim 2, wherein a core-pulling knife edge is arranged at the edge of the hemispherical cavity, and the demolding inclination of the core-pulling knife edge is larger than 10 degrees.
  4. 4. The blow-molded ball no-wind pinhole mold structure of claim 1, wherein said cavity is provided in an arc-shaped configuration.
  5. 5. The blow-molded ball no-wind pinhole mold structure of claim 1, wherein a plurality of mounting holes are formed in the middle of the first mold plate and the middle of the second mold plate, and the ball cavity core-pulling plug is inserted into the mounting holes.
  6. 6. The blow-molded ball no-air-pinhole mold structure of claim 5, wherein the driving assembly comprises an oil cylinder, a mounting seat and a connecting plate, the outer ends of the first template and the second template are fixedly connected with the oil cylinder through the mounting seat, the driving end of the oil cylinder is fixedly connected with the connecting plate, a plurality of ball cavity loose cores are fixedly connected with the connecting plate, and the oil cylinder is used for driving the ball cavity loose cores to move in the mounting holes.
  7. 7. The blow-molded ball pinhole-free mold structure of claim 1, wherein the air needle assembly comprises an air needle, an air needle cylinder and a cylinder fixing seat, the air needle is fixedly connected to the driving end of the air needle cylinder, and the air needle cylinder is fixedly connected to the bottom of the first mold plate or the second mold plate through the cylinder fixing seat.
  8. 8. The blow-molded ball pinhole-free mold structure of claim 7, wherein the bottom of the first or second mold plate is provided with an air vent, the air vent is communicated with the cavity, and the air needle is arranged below the air vent.
  9. 9. The blow-molded ball pinhole-free mold structure of claim 1, wherein a plurality of positioning blocks are uniformly arranged on the die-combining surface of the first mold plate, a plurality of positioning grooves are uniformly arranged on the die-combining surface of the second mold plate, and the positioning blocks are clamped in the positioning grooves when the first mold plate and the second mold plate are completely assembled.
  10. 10. The blow-molded ball no-wind pinhole mold structure of claim 1, wherein the outer ends of the first and second mold plates are respectively provided with a mounting connecting frame, and the mounting connecting frames are used for connecting the first and second mold plates with other devices.

Description

Blow-molding ball windless pinhole die structure Technical Field The utility model relates to the technical field of blow-molded ball processing, in particular to a blow-molded ball pinhole-free mold structure. Background In the traditional blow molding ball forming process, the ball is required to be formed by blowing air into the blank through an air needle, but a needle hole is left after the air needle is withdrawn, the subsequent manual filling is required, the problems of complex working procedure, high cost, low yield and the like exist, the production efficiency is low, and the appearance of the product is not attractive. Therefore, there is a need to provide a blow-molded ball pinhole-free mold structure, which solves the above-mentioned problems. Disclosure of utility model In order to overcome the defects of the prior art, the utility model provides the blow-molding ball pinhole-free die structure, which realizes the one-step molding of the blow-molding ball without holes, does not need secondary processing, saves the production cost and improves the production efficiency and the production quality of products. The technical scheme adopted for solving the technical problems is as follows: the utility model provides a blowing ball does not have wind pinhole mould structure, includes first template, second template, ball chamber loose core, drive assembly and wind needle subassembly, first template with the second template symmetry sets up, just symmetry installs on first template and the second template ball chamber loose core, the outside end of first template and second template all is provided with drive assembly, drive assembly with ball chamber loose core is connected, the die joint face of first template and second template is concave to be equipped with the chamber way, the chamber way is used for holding the stock, wind needle subassembly set up in the bottom of first template or second template, wind needle subassembly is used for blowing and stock bloating attach in the ball chamber loose core for the stock, during first template and the second template compound die, symmetrical ball chamber loose core is close to each other and cuts off unnecessary stock and forms the blow molding spheroid. As a further improvement of the technical scheme, a hemispherical cavity is arranged at the inner side end of the core pulling of the spherical cavity, the blank is expanded and attached in the hemispherical cavity, a waterway is arranged in the core pulling of the spherical cavity, and the waterway is close to the hemispherical cavity. As a further improvement of the technical scheme, a core-pulling knife edge is arranged at the edge of the hemispherical cavity, and the demoulding inclination of the core-pulling knife edge is larger than 10 degrees. As a further improvement of the technical scheme, the cavity is arranged in an arc-shaped structure. As a further improvement of the technical scheme, a plurality of mounting holes are formed in the middle of the first template and the middle of the second template, and the ball cavity core pulling is inserted into the mounting holes. As a further improvement of the technical scheme, the driving assembly comprises an oil cylinder, a mounting seat and a connecting plate, the outer side ends of the first template and the second template are fixedly connected with the oil cylinder through the mounting seat, the driving end of the oil cylinder is fixedly connected with the connecting plate, the ball cavity loose cores are fixedly connected with the connecting plate, and the oil cylinder is used for driving the ball cavity loose cores to move in the mounting hole. As a further improvement of the technical scheme, the air needle assembly comprises an air needle, an air needle air cylinder and an air cylinder fixing seat, wherein the air needle is fixedly connected to the driving end of the air needle air cylinder, and the air needle air cylinder is fixedly connected to the bottom of the first template or the bottom of the second template through the air cylinder fixing seat. As a further improvement of the technical scheme, an exhaust port is formed in the bottom of the first template or the bottom of the second template, the exhaust port is communicated with the cavity, and the air needle is arranged below the exhaust port. As a further improvement of the technical scheme, a plurality of positioning blocks are uniformly arranged on the die-combining surface of the first template, a plurality of positioning grooves are uniformly arranged on the die-combining surface of the second template, and when the first template and the second template are completely combined, the positioning blocks are clamped in the positioning grooves. As a further improvement of the technical scheme, the outer side ends of the first template and the second template are respectively provided with an installation connecting frame, and the installation connecting frames are used for conn