Film material adjusting device of film blowing machine

Abstract

The utility model discloses a film material adjusting device of a film blowing machine, which comprises a herringbone frame plate, a film combining roller group arranged above the herringbone frame plate, a first rotating frame arranged above the film combining roller group, an avoiding space arranged on the first rotating frame, a first adjusting roller and a second adjusting roller correspondingly arranged above the avoiding space, the first adjusting roller is arranged on the second rotating frame, the second adjusting roller is arranged on the third rotating frame, the second rotating frame and the third rotating frame are movably arranged on the first rotating frame, the third adjusting roller is arranged on the first rotating frame, and a blown film sent out from the film combining roller set sequentially bypasses the first adjusting roller, the second adjusting roller and the third adjusting roller. The first rotating frame, the second rotating frame and the third rotating frame are connected with the corresponding rotating control assemblies. According to the utility model, multiple independent pulling adjustment of different positions of a film material can be realized, so that single-side and overall thickness adjustment of the film material is realized, the thickness uniformity of the film material is ensured, and the use flexibility of the film material is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a film blowing machine, concretely relates to a film material adjusting device of film blowing machine. BACKGROUND

[0002] The film blowing machine is a special equipment for producing plastic film. Its working principle is that the plastic base material is sent into the film blowing head through the extruder, and then the plastic film is blown out through the film blowing head, and then the film material is wound after being guided and combined by the herringbone frame plate. In the actual working process, because the film material is blown out, the required thickness of the film material is not the same according to different use requirements, therefore, some film thickness adjusting devices appear on the market, which usually adopt a single electric push rod to realize the horizontal pushing of the film material, and then realize the thickness adjustment of the film material. This structure can only adjust the overall thickness of the film material, and cannot realize the local or single-side thickness adjustment of the film material, so the limitation of use is large. CONTENT OF THE UTILITY MODEL

[0003] In view of the deficiencies of the background art, the technical problem to be solved by the utility model is to provide a film material adjusting device of film blowing machine for solving the above problems.

[0004] Therefore, the utility model is realized by adopting the following scheme:

[0005] The film material adjusting device of the film blowing machine comprises a herringbone frame plate, a film combining roller group is arranged above the herringbone frame plate, characterized in that: a first rotating frame is arranged above the film combining roller group, a leaving space for the film material to pass through is arranged on the first rotating frame, a first adjusting roller and a second adjusting roller are arranged above the leaving space in correspondence, the first adjusting roller is arranged on a second rotating frame, the second adjusting roller is arranged on a third rotating frame, the second rotating frame and the third rotating frame are movably arranged on the first rotating frame, a third adjusting roller is arranged on the first rotating frame, the blow molding film sent out from the film combining roller group passes the first adjusting roller, the second adjusting roller and the third adjusting roller in sequence, and the first rotating frame, the second rotating frame and the third rotating frame are connected with corresponding rotating control assemblies.

[0006] The rotating control assembly comprises a first motor, a second motor and a third motor, the output end of the first motor is connected with a first gear, the first gear is engaged with a second gear, the second gear is connected with the first rotating frame, the output end of the second motor is connected with a third gear, the third gear is engaged with a fourth gear, the fourth gear is connected with the second rotating frame, and the output end of the third motor is connected with a fifth gear, the fifth gear is engaged with a sixth gear, and the sixth gear is connected with the third rotating frame.

[0007] The film combining roller group comprises a first film combining roller and a second film combining roller, the second film combining roller is rotatably arranged on a moving seat, and the moving seat is connected with the piston rod of the first cylinder.

[0008] The first adjusting roller and the second adjusting roller are internally provided with cavities, the outer sidewalls of the first and second adjusting rollers are provided with suction holes in communication with the cavities, and the cavities of the first and second adjusting rollers are connected with the negative pressure assembly.

[0009] The rotation center lines of the fourth gear and the sixth gear are coincidently arranged, and the rotation center lines of the second gear, the fourth gear and the sixth gear are staggered.

[0010] The film material adjusting device of the film blowing machine can realize multiple independent pulling adjustment of the film material at different positions, thereby realizing thickness adjustment of the film material on one side and as a whole, ensuring the uniformity of the film material thickness, and effectively improving the flexibility of use. BRIEF DESCRIPTION OF DRAWINGS

[0011] The utility model discloses the following drawings:

[0012] Figure 1 It is the sectional view of the utility model;

[0013] Figure 2 It is Figure 1 It is the local enlarged view of the direction of A of the middle part;

[0014] Figure 3 It is the perspective view of the utility model. DETAILED DESCRIPTION

[0015] As shown in the drawings, the film material adjusting device of the film blowing machine disclosed by the utility model, including herringbone frame plate 10, be provided with the film roller group in the upper of herringbone frame plate 10, be provided with the first rotating frame 2 in the upper of film roller group, be provided with the accommodation space for film material to pass through on the first rotating frame 2, be provided with the first adjusting roller 20 and the second adjusting roller 11 in the upper of corresponding accommodation space, the first adjusting roller 20 is set up on the second rotating frame 19, the second adjusting roller 11 is set up on the third rotating frame 12, the second, third rotating frame is movably arranged on the first rotating frame 2, be provided with the third adjusting roller 1 on the first rotating frame 2, the blow molding film sent out from film roller group is in turn around the first adjusting roller 20, the second adjusting roller 11 and the third adjusting roller 1, and the first, second and third rotating frames are connected with corresponding rotating control assembly.

[0016] Further, the rotating control assembly comprises a first motor 5, a second motor 16 and a third motor 15, the output end of the first motor 5 is connected with the first gear 3, the first gear 3 is engaged with the second gear 4, the second gear 4 is connected with the first rotating frame 2, the output end of the second motor 16 is connected with the third gear 17, the third gear 17 is engaged with the fourth gear 18, the fourth gear 18 is connected with the second rotating frame 19, the output end of the third motor 15 is connected with the fifth gear 14, the fifth gear 14 is engaged with the sixth gear 13, and the sixth gear 13 is connected with the third rotating frame 12.

[0017] Further, the film combining roller set comprises a first film combining roller 6 and a second film combining roller 7, the second film combining roller 7 is rotatably arranged on the moving seat 8, and the moving seat 8 is connected with the piston rod of the first air cylinder 9.

[0018] Further, the first adjusting roller 20 and the second adjusting roller 11 are internally provided with cavities, the outer walls of the first adjusting roller and the second adjusting roller are provided with suction holes 21 in communication with the cavities, the cavities of the first adjusting roller and the second adjusting roller are connected with a negative pressure assembly, and the negative pressure assembly can be a negative pressure machine.

[0019] Further, the rotating center lines of the fourth gear 18 and the sixth gear 13 are arranged in coincidence, and the rotating center lines of the second gear 4 and the fourth gear and the sixth gear are arranged in dislocation.

[0020] The working principle of the utility model is that the blown film material is first guided by the herringbone frame plate 10 and sent to the film combining roller set for film combining, then the film material after film combining is sequentially wound around the first adjusting roller 20, the second adjusting roller 11 and the third adjusting roller 1, the corresponding rotating control assembly is controlled to rotate, the first rotating frame and the second rotating frame are controlled to rotate, the first adjusting roller and the second adjusting roller are controlled to pull and adjust the film material, then the third rotating frame is controlled to rotate, the third adjusting roller 1 is controlled to pull and adjust the film material, the multiple pulling and adjusting mode can effectively improve the thickness adjusting effect of the film material and ensure the uniformity of the film thickness.

Claims

1. A film material adjustment device for a blown film machine, comprising a herringbone frame plate (10), wherein a film-closing roller assembly is provided above the herringbone frame plate (10), characterized in that: A first rotating frame (2) is provided above the film-forming roller assembly. The first rotating frame (2) has a clearance space for the film material to pass through. A first adjusting roller (20) and a second adjusting roller (11) are provided above the clearance space. The first adjusting roller (20) is provided on the second rotating frame (19), and the second adjusting roller (11) is provided on the third rotating frame (12). The second and third rotating frames are movably provided on the first rotating frame (2). The third adjusting roller (1) is provided on the first rotating frame (2). The blown film delivered from the film-forming roller assembly passes through the first adjusting roller (20), the second adjusting roller (11), and the third adjusting roller (1) in sequence. The first, second, and third rotating frames are connected to the corresponding rotation control components.

2. The film material adjustment device for the blown film machine according to claim 1, characterized in that: The rotation control assembly includes a first motor (5), a second motor (16), and a third motor (15). The output end of the first motor (5) is connected to the first gear (3), the first gear (3) meshes with the second gear (4), the second gear (4) is connected to the first rotating frame (2), the output end of the second motor (16) is connected to the third gear (17), the third gear (17) meshes with the fourth gear (18), the fourth gear (18) is connected to the second rotating frame (19), the output end of the third motor (15) is connected to the fifth gear (14), the fifth gear (14) meshes with the sixth gear (13), and the sixth gear (13) is connected to the third rotating frame (12).

3. The film material adjustment device for the blown film machine according to claim 1, characterized in that: The film-forming roller assembly includes a first film-forming roller (6) and a second film-forming roller (7). The second film-forming roller (7) is rotatably mounted on a movable seat (8), which is connected to the piston rod of the first cylinder (9).

4. The film material adjustment device for the blown film machine according to claim 1, characterized in that: The first adjusting roller (20) and the second adjusting roller (11) are both provided with cavities inside. The outer walls of the first and second adjusting rollers are provided with adsorption holes (21) that communicate with the cavities. The cavities of the first and second adjusting rollers are connected to the negative pressure assembly.

5. The film material adjustment device for a blown film machine according to claim 2, characterized in that: The rotation center lines of the fourth gear (18) and the sixth gear (13) are aligned, while the rotation center lines of the second gear (4) are offset from those of the fourth and sixth gears.

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