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CN-224210541-U - Diameter control mechanism for bubble forming

CN224210541UCN 224210541 UCN224210541 UCN 224210541UCN-224210541-U

Abstract

The utility model belongs to the field of film bubble forming, in particular to a diameter control mechanism for film bubble forming, which comprises a film blowing machine, wherein the top of the film blowing machine is provided with a diameter adjusting mechanism, the diameter adjusting mechanism comprises a first connecting rod, the bottom of the first connecting rod is fixedly connected with the top of the film blowing machine, and the top of the first connecting rod is fixedly connected with a hollow shell; according to the utility model, the plane thread blocks are driven to rotate by the rotating turntable, then the plane thread blocks can drive the plurality of moving blocks to synchronously move, the plurality of moving blocks are positioned on the outer sides of the film bubble, when the film blowing machine blows plastic particles into the film bubble, the film bubble passes through the plurality of moving blocks, and the diameter of the film bubble is limited by the plurality of moving blocks, so that the diameter of the film bubble cannot be larger, the effect of adjusting the diameter of the film bubble is achieved, and the moving blocks can control the diameter of the film bubble by moving, so that the film bubble can meet the film requirements of different width sizes when being produced and shaped by the film blowing machine.

Inventors

  • HUANG MEILAN
  • Hu Jianlai
  • HU XUAN

Assignees

  • 南京友诚塑业有限公司

Dates

Publication Date
20260508
Application Date
20250520

Claims (7)

  1. 1. The diameter control mechanism for film bubble forming is characterized by comprising a film blowing machine (1), wherein the top of the film blowing machine (1) is provided with a diameter adjusting mechanism (2), Diameter adjustment mechanism (2) include head rod (201), the bottom fixedly connected with of head rod (201) is at the top of inflation film manufacturing machine (1), the top fixedly connected with hollow shell (202) of head rod (201), the inner chamber rotation of hollow shell (202) is connected with carousel (203), the top fixedly connected with plane thread block (204) of carousel (203), the surface of plane thread block (204) is provided with movable block (205), spacing groove (206) have been seted up on the surface of hollow shell (202), one side sliding connection of movable block (205) is in the inner chamber of spacing groove (206).
  2. 2. The diameter control mechanism for bubble forming is characterized in that a first gear (3) is arranged in an inner cavity of a hollow shell (202), the top of the first gear (3) is fixedly connected to the bottom of a rotary table (203), a fixed block (4) is fixedly connected to the bottom of the hollow shell (202), a rotary block (5) is rotatably connected to the top of the fixed block (4), a first hollow groove (7) is formed in the surface of the hollow shell (202), a second gear (6) is arranged in the inner cavity of the first hollow groove (7), the inner cavity of the second gear (6) is fixedly connected to the surface of the rotary block (5), and teeth of the second gear (6) are meshed with teeth of the first gear (3).
  3. 3. The diameter control mechanism for bubble forming according to claim 2, wherein a connecting block (8) is fixedly connected to the surface of the hollow shell (202), a worm (9) is rotatably connected to an inner cavity of the connecting block (8), a worm wheel (10) is fixedly connected to the surface of the rotating block (5), and teeth of the worm wheel (10) are meshed with teeth of the worm (9).
  4. 4. The diameter control mechanism for bubble forming according to claim 1, wherein a second hollow groove (11) is formed in the surface of the moving block (205), a limiting block (12) is arranged in an inner cavity of the second hollow groove (11), a second connecting rod (13) is fixedly connected to the top of the limiting block (12), and the bottom of the second connecting rod (13) is fixedly connected to the top of the hollow shell (202).
  5. 5. The diameter control mechanism for bubble forming according to claim 1, wherein a baffle plate (14) is fixedly connected to one side of the moving block (205), and an arc-shaped block (15) is fixedly connected to the bottom of the baffle plate (14).
  6. 6. A diameter control mechanism for bubble forming according to claim 3, wherein a stopper (16) is provided on one side of the worm wheel (10), and one side of the stopper (16) is fixedly connected to an inner cavity of the limit groove (206).
  7. 7. A diameter control mechanism for bubble forming according to claim 3, wherein a first annular block (17) is arranged on one side of the connecting block (8), a second annular block (18) is arranged on the other side of the connecting block (8), and inner cavities of the first annular block (17) and the second annular block (18) are fixedly connected to the surface of the connecting block (8).

Description

Diameter control mechanism for bubble forming Technical Field The utility model relates to the field of film bubble forming, in particular to a diameter control mechanism for film bubble forming. Background The film blowing machine melts plastic particles (such as PE, POF, PVC and the like) into a fluid state through a heating system, forms a cylindrical film through screw extrusion and high-pressure air blow molding, and finally forms a flat plastic film through a cooling device; in the prior art, the film blowing machine can blow plastic particles into cylindrical film bubbles when in use, and finally cooling, shaping and rolling are carried out, but the plastic particles are inconvenient to control and adjust the diameter of the film bubbles when the film bubbles are blown by the film blowing machine, so that the film bubbles cannot meet the requirements of producing films with different width and size specifications when shaped into films. Disclosure of utility model In order to make up the deficiency of the prior art, the plastic particle is inconvenient to control and regulate the diameter of the film bubble when being blown into the film by a film blowing machine, so that the problem that the film bubble cannot meet the requirements of producing films with different width and size specifications when being shaped into a film is solved. The technical proposal adopted by the utility model for solving the technical problems is that the diameter control mechanism for film bubble forming comprises a film blowing machine, the top of the film blowing machine is provided with a diameter adjusting mechanism, The diameter adjusting mechanism comprises a first connecting rod, the bottom of the first connecting rod is fixedly connected to the top of the film blowing machine, the top of the first connecting rod is fixedly connected with a hollow shell, an inner cavity of the hollow shell is rotationally connected with a rotary table, the top of the rotary table is fixedly connected with a plane thread block, the surface of the plane thread block is provided with a moving block, the surface of the hollow shell is provided with a limiting groove, and one side of the moving block is slidably connected to the inner cavity of the limiting groove. Preferably, the inner cavity of the hollow shell is provided with a first gear, the top of the first gear is fixedly connected to the bottom of the turntable, the bottom of the hollow shell is fixedly connected with a fixed block, the top of the fixed block is rotationally connected with a rotating block, the surface of the hollow shell is provided with a first hollow groove, the inner cavity of the first hollow groove is provided with a second gear, the inner cavity of the second gear is fixedly connected to the surface of the rotating block, and teeth of the second gear are meshed with teeth of the first gear. Preferably, the surface of the hollow shell is fixedly connected with a connecting block, the inner cavity of the connecting block is rotationally connected with a worm, the surface of the rotating block is fixedly connected with a worm wheel, and teeth of the worm wheel are meshed with teeth of the worm. Preferably, the surface of the moving block is provided with a second hollow groove, the inner cavity of the second hollow groove is provided with a limiting block, the top of the limiting block is fixedly connected with a second connecting rod, and the bottom of the second connecting rod is fixedly connected with the top of the hollow shell. Preferably, a baffle is fixedly connected to one side of the moving block, and an arc-shaped block is fixedly connected to the bottom of the baffle. Preferably, a stop block is arranged on one side of the worm wheel, and one side of the stop block is fixedly connected with the inner cavity of the limit groove. Preferably, a first annular block is arranged on one side of the connecting block, a second annular block is arranged on the other side of the connecting block, and inner cavities of the first annular block and the second annular block are fixedly connected to the surface of the connecting block. The utility model has the advantages that: According to the utility model, the plane thread blocks are driven to rotate by the rotating turntable, then the plane thread blocks can drive the plurality of moving blocks to synchronously move, the plurality of moving blocks are positioned at the outer sides of the film bubble, when the film blowing machine is used for blowing plastic particles into the film bubble, the film bubble passes through the plurality of moving blocks, and the diameter of the film bubble is limited by the plurality of moving blocks, so that the diameter of the film bubble cannot be larger, the effect of adjusting the diameter of the film bubble is achieved, the moving blocks can control the diameter of the film bubble by moving, the film bubble can meet the film requirements of different width sizes when the f