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CN-224210540-U - Film width adjusting and guiding device of film blowing machine

CN224210540UCN 224210540 UCN224210540 UCN 224210540UCN-224210540-U

Abstract

The utility model relates to the technical field of film width adjusting and guiding devices of film blowing machines, and discloses a film width adjusting and guiding device of a film blowing machine, which comprises two groups of wind rings and a supporting frame, wherein the bottoms of the wind rings are fixedly connected with four groups of fixing plates in an annular array, the bottoms of the fixing plates are fixedly connected with two groups of limiting columns, the bottoms of the limiting columns are inserted and connected with a fixing sleeve box, the inside of the fixing sleeve box is fixedly connected with a limiting assembly, the inside of the supporting frame is rotatably connected with two groups of adjusting assemblies, the limiting assembly comprises two groups of supporting springs fixedly connected with the inside of the fixing sleeve box, and one end of each supporting spring is fixedly connected with a sliding plate. This inflation film manufacturing machine membrane width adjusts guider through the setting of adjustment subassembly, reaches the effect of adjusting the wind ring height, to the film of different thickness or the material that need produce, can match the corresponding relation of wind ring and membrane bubble fast, changes cooling rate, in time adjusts production parameter variation, improvement equipment application scope.

Inventors

  • CHEN WENTING
  • YIN CHANGXIA

Assignees

  • 江苏欣盈嘉塑料制品有限公司

Dates

Publication Date
20260508
Application Date
20250516

Claims (8)

  1. 1. The film width adjusting and guiding device of the film blowing machine comprises two groups of air rings (1) and a supporting frame (2) and is characterized in that four groups of fixing plates (3) are fixedly connected to the bottom of each air ring (1) in an annular array, two groups of limit posts (4) are fixedly connected to the bottom of each fixing plate (3), a fixing sleeve box (5) is inserted into the bottom of each limit post (4), a limit assembly (6) is fixedly connected to the inside of each fixing sleeve box (5), two groups of adjusting assemblies (7) are rotatably connected to the inside of each supporting frame (2), The limiting assembly (6) comprises two groups of supporting springs (601) fixedly connected to the inside of the fixed sleeve box (5), one end of each supporting spring (601) is fixedly connected with a sliding plate (602), and two groups of clamping blocks (603) are fixedly connected to the inside of each sliding plate (602); The adjusting assembly (7) comprises a threaded screw rod (701) rotatably connected to the inside of the supporting frame (2), and one end of the threaded screw rod (701) is fixedly connected with a driving motor (702).
  2. 2. The film width adjusting and guiding device of the film blowing machine according to claim 1, wherein the surfaces of the two groups of threaded screw rods (701) are connected with sliding blocks (8) in a threaded mode, and one side of each sliding block (8) is fixedly connected with a supporting rod (9).
  3. 3. The film width adjusting and guiding device of the film blowing machine according to claim 2, wherein limiting blocks (10) are fixedly connected to two sides of the sliding block (8), and the limiting blocks (10) are slidably connected to the inner wall of the supporting frame (2).
  4. 4. The film width adjusting and guiding device of the film blowing machine according to claim 2, wherein one end of the supporting rod (9) is fixedly connected with a fixing block (11), the top of the fixing block (11) is fixedly connected with a supporting ring (12), and the fixing sleeve box (5) is fixedly connected to the surface of the supporting ring (12).
  5. 5. The film width adjusting and guiding device of the film blowing machine according to claim 1, wherein a plurality of groups of blowing holes are formed in the inner side of the wind ring (1), two groups of connecting pipes (13) are connected to the outer surface of the wind ring (1) in a penetrating mode, one end of each connecting pipe (13) is communicated with a conveying pipe (17), and one end of each conveying pipe (17) is communicated with a fan (18).
  6. 6. The film width adjusting and guiding device of the film blowing machine according to claim 1, wherein the top and the bottom of the supporting frame (2) are fixedly connected with a protecting shell (14), and two sides of the protecting shell (14) are fixedly connected with connecting rods (15).
  7. 7. The film width adjusting and guiding device of a film blowing machine according to claim 6, wherein one end of the connecting rod (15) is fixedly connected with a mounting plate (16), and four groups of positioning holes are formed in the surface of the mounting plate (16) in a rectangular array.
  8. 8. The film width adjusting and guiding device of the film blowing machine according to claim 1, wherein the top of the fixing sleeve box (5) is provided with a jack matched with the limit column (4), and the bottom of the limit column (4) is provided with a clamping groove matched with the clamping block (603).

Description

Film width adjusting and guiding device of film blowing machine Technical Field The utility model relates to the technical field of film width adjusting and guiding devices of film blowing machines, in particular to a film width adjusting and guiding device of a film blowing machine. Background Film width adjusting and guiding device of film blowing machine is an important component in film blowing production line, and is mainly used for adjusting and controlling the width of blown film. The device ensures that the produced film has stable and uniform width by changing the form and flow mode of the film, the film is formed by blow molding after raw materials are melted and extruded by an extruder in the film blowing process, the film width adjusting and guiding device can adjust the width of the film according to production requirements, so that the film reaches the preset specification, the film width adjusting and guiding device of the film blowing machine is a key component for ensuring the quality and the production efficiency of the film, and the width of the film is kept in an accurate range by air flow adjustment, thereby meeting the production requirements of different products. However, when the film width adjusting and guiding device of the existing film blowing machine faces films with different thicknesses or materials to be produced, the height of the air ring is difficult to adjust in time, so that the thickness of the film is uneven ‌ due to local overheating or insufficient cooling of the film bubble. Disclosure of utility model The utility model aims to provide a film width adjusting and guiding device of a film blowing machine, which solves the problems that when the film width adjusting and guiding device of the existing film blowing machine faces films with different thicknesses or materials to be produced, the height of an air ring is difficult to adjust in time, and the thickness of the films is uneven due to local overheating or insufficient cooling of film bubbles. The film width adjusting and guiding device of the film blowing machine comprises two groups of wind rings and a supporting frame, wherein four groups of fixing plates are fixedly connected to the bottoms of the wind rings in an annular array, two groups of limit posts are fixedly connected to the bottoms of the fixing plates, a fixed sleeve box is inserted into the bottoms of the limit posts, a limit assembly is fixedly connected to the inside of the fixed sleeve box, two groups of adjusting assemblies are rotatably connected to the inside of the supporting frame, the limit assembly comprises two groups of supporting springs fixedly connected to the inside of the fixed sleeve box, one end of each supporting spring is fixedly connected with a sliding plate, two groups of clamping blocks are fixedly connected to the inside of each sliding plate, each adjusting assembly comprises a threaded screw rod rotatably connected to the inside of the supporting frame, and one end of each threaded screw rod is fixedly connected with a driving motor. As a further scheme of the utility model, the surfaces of the two groups of threaded screw rods are connected with sliding blocks in a threaded manner, one side of each sliding block is fixedly connected with a supporting rod, and the supporting rod plays a role in supporting the fixed block. As a further scheme of the utility model, limiting blocks are fixedly connected to two sides of the sliding block, and are slidably connected to the inner wall of the supporting frame, and the limiting block is arranged to limit and keep stable for the sliding block. As a further scheme of the utility model, one end of the supporting rod is fixedly connected with a fixed block, the top of the fixed block is fixedly connected with a supporting ring, and the fixed sleeve box is fixedly connected to the surface of the supporting ring, and plays a role in supporting the wind ring through the arrangement of the supporting ring. As a further scheme of the utility model, a plurality of groups of air blowing holes are formed in the inner side of the air ring, two groups of connecting pipes are connected to the outer surface of the air ring in a penetrating way, one end of each connecting pipe is communicated with a conveying pipe, one end of each conveying pipe is communicated with a fan, and the effect of air supply is achieved through the arrangement of the fans. As a further scheme of the utility model, the top and the bottom of the support frame are fixedly connected with the protective shell, the two sides of the protective shell are fixedly connected with the connecting rods, and the support effect is achieved through the arrangement of the connecting rods. As a further scheme of the utility model, one end of the connecting rod is fixedly connected with the mounting plate, four groups of positioning holes are formed in the surface of the mounting plate in a rectangular array, and the mounting plate has t