Traction auxiliary structure of film blowing machine

Abstract

The utility model provides a traction auxiliary structure of a film blowing machine, which comprises a fixed seat, a support rod is welded at the bottom of the fixed seat, a movable seat is fixed on one side of the support rod, a limiting seat is movably arranged between the movable seats, a fixed groove is arranged on the fixed seat, a fixed block is movably arranged in the fixed groove, and the fixed block is fixed on the fixed seat. A roller is rotationally installed between the fixing blocks, a fixing frame is welded to the fixing base, an open groove is formed in the fixing frame and connected with a fixing groove, and a sliding groove is formed in the inner wall of the fixing groove in a penetrating mode. When the traction auxiliary structure of the film blowing machine is used, the roller is controlled by the lifting mechanism to move up and down, a film is tensioned and adjusted through the up-and-down movement of the roller, in addition, the roller is rapidly taken out of the fixing block after the fixing base moves towards the two sides in the later period, and the rollers with different diameters can be replaced conveniently to achieve traction.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of traction auxiliary equipment, concretely to a traction auxiliary structure of blown film machine. BACKGROUND

[0002] The blown film machine is used for blowing thin film by melting plastic particles, and the thin film needs to be pulled to other positions for collection by traction rollers after being generated. The existing traction structure of the blown film machine is inconvenient to fix and limit the traction rollers after adjusting the positions of the traction rollers, the traction rollers are still in an unstable state, which can easily lead to poor traction effect on the thin film and cannot realize multi-layer or multi-point support of the thin film.

[0003] According to the patent document with the existing publication number CN218227760U, a traction auxiliary device for a three-layer co-extrusion blown film machine is disclosed, which comprises a traction frame and a traction roll. A sliding groove is formed in the upper end of the traction frame, and a sliding assembly is connected to the upper end of the sliding groove. A limiting rod is arranged at the upper end of the traction frame. A threaded rod is fixedly connected to the upper end of the sliding assembly. The outer circumferential surface of the threaded rod is threadedly connected with a fixing ring. When the technical solution is used, the position of the traction roll is adjusted by moving the sliding assembly. After adjustment, the sliding assembly is fixed and limited by the extrusion locking of the fixing ring, so that the traction roll can maintain a stable state at any position, improving the traction effect of the thin film and the quality of the finished product. For the above technical solution, although the adjustment of the traction roll at any position is realized, the thin film cannot be tensioned and adjusted during use, which is inconvenient. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model aims to provide a traction auxiliary structure of blown film machine to solve the problems in the background art. The utility model has a novel structure. During use, the roller moves up and down by the lifting mechanism, and the up and down movement of the roller adjusts the tension of the thin film. In addition, the roller is quickly taken out of the fixed block after the fixed seat moves to the two sides, which facilitates the replacement of rollers with different diameters for traction.

[0005] In order to achieve the above-mentioned purpose, the utility model is implemented by the following technical scheme: a traction auxiliary structure of blown film machine, comprising a fixed seat, a support rod is welded at the bottom of the fixed seat, a movable seat is fixed on one side of the support rod, a limiting seat is movably installed between the movable seats, a fixed groove is opened on the fixed seat, a fixed block is movably installed in the fixed groove, a roller is rotatably installed between the fixed blocks, a fixed frame is welded on the fixed seat, a slot is opened on the fixed frame, the slot is connected with the fixed groove, and a sliding groove is penetrated through the inner wall of the fixed groove.

[0006] Further, the inside of the sliding groove is movably mounted with a limiting bolt, and the bottom of the fixed block is provided with a fixing hole.

[0007] Further, the inner wall of the fixing hole is provided with a threaded hole, and one end of the limiting bolt is rotatably mounted in the threaded hole.

[0008] Further, the inner wall of the fixed block is provided with a mounting hole, the inside of the mounting hole is fixedly provided with a bearing, and the roller is mounted on the bearing through a fixing column.

[0009] Further, the inside of the limiting seat is fixedly mounted with a displacement mechanism, and one end of the displacement mechanism is fixed on the movable seat.

[0010] Further, the limiting seat is provided with a positioning hole, the inside of the positioning hole is movably mounted with a positioning column, and one end of the positioning column is fixed on the movable seat.

[0011] Further, the fixed seat is provided with an arc-shaped groove, the arc-shaped groove is connected with the sliding groove, and the inside of the arc-shaped groove is movably mounted with a movable column.

[0012] Further, the bottom of the fixed seat is fixedly provided with a lifting mechanism, the movable column is mounted on the lifting mechanism, and one end of the movable column is movably mounted in the fixing hole.

[0013] The beneficial effects of the utility model are as follows:

[0014] 1. The traction auxiliary structure of the film blowing machine, when in use, the roller moves up and down through the lifting mechanism, the up and down movement of the roller realizes tension adjustment of the film, in addition, the roller is quickly taken out from the fixed block after the fixed seat moves to the two sides, so that different diameter rollers are replaced to realize traction.

[0015] 2. The traction auxiliary structure of the film blowing machine, the film is cross-mounted between the rollers, and the film is multi-point traction through the rollers, in addition, the roller moves horizontally in the fixed groove, and the horizontal movement adjusts the position of the traction point.

[0016] 3. The traction auxiliary structure of the film blowing machine, the up and down movement of the roller is matched, the double-layer traction of the film is realized through the roller, the multi-layer film is simultaneously processed for traction assistance, and the use under different conditions is met. DRAWINGS

[0017] Figure 1 It is a structure schematic view of the traction auxiliary structure of the film blowing machine;

[0018] Figure 2 It is a structure schematic view of the mounting hole of the traction auxiliary structure of the film blowing machine;

[0019] Figure 3 It is a structure schematic view of displacement mechanism of the traction auxiliary structure of the film blowing machine of the utility model;

[0020] Figure 4 It is a structure schematic view of A point of the traction auxiliary structure of the film blowing machine of the utility model after amplification;

[0021] Figure 5 It is a structure schematic view of the film installation of the traction auxiliary structure of the film blowing machine of the utility model;

[0022] In the figure: 1, fixed seat; 2, support rod; 3, fixed groove; 4, sliding groove; 5, fixed block; 6, lifting mechanism; 7, fixed frame; 8, slot; 9, roller; 10, limit seat; 11, movable seat; 12, limit bolt; 13, fixed hole; 14, threaded hole; 15, displacement mechanism; 16, positioning column; 17, arc slot; 18, movable column; 19, mounting hole; 20, bearing. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0024] Please refer to Figures 1 to 5 The utility model provides a technical scheme: a traction auxiliary structure of film blowing machine, including fixed seat 1, the bottom welding of fixed seat 1 has support rod 2, one side of support rod 2 is fixed with movable seat 11, movable seat 11 is movably installed between limit seat 10, fixed groove 3 is formed on fixed seat 1, fixed block 5 is movably installed in the inside of fixed groove 3, roller 9 is rotatably installed between fixed block 5, fixed frame 7 is welded on fixed seat 1, slot 8 is formed on fixed frame 7, slot 8 is connected with fixed groove 3, sliding groove 4 is formed on the inner wall of fixed groove 3, limit bolt 12 is movably installed in the inside of sliding groove 4, fixed hole 13 is formed on the bottom of fixed block 5, after movable column 18 enters the inside of fixed hole 13, makes fixed block 5 limit installation on movable column 18, avoids the influence caused by the shaking of fixed block 5 on movable column 18.

[0025] The inner wall of the fixed hole 13 is provided with a threaded hole 14, one end of the limiting bolt 12 is rotatably installed in the threaded hole 14, the inner wall of the fixed block 5 is provided with a mounting hole 19, the inside of the mounting hole 19 is fixedly provided with a bearing 20, the roller 9 is installed on the bearing 20 through a fixed column, the inside of the limiting seat 10 is fixedly provided with a displacement mechanism 15, one end of the displacement mechanism 15 is fixed on the movable seat 11, the displacement mechanism 15 is a linear reciprocating electric push rod, the displacement mechanism 15 controls the movement of the movable seat 11 and the fixed seat 1 to the two sides, and the roller 9 is taken out from the fixed block 5 after the fixed seat 1 moves.

[0026] The limiting seat 10 is provided with a positioning hole, the inside of the positioning hole is movably provided with a positioning column 16, one end of the positioning column 16 is fixed on the movable seat 11, the fixed seat 1 is provided with an arc-shaped groove 17, the arc-shaped groove 17 is connected with the sliding groove 4, the inside of the arc-shaped groove 17 is movably provided with a movable column 18, the bottom of the fixed seat 1 is fixedly provided with a lifting mechanism 6, the movable column 18 is installed on the lifting mechanism 6, one end of the movable column 18 is movably installed in the fixed hole 13, the lifting mechanism 6 is a linear reciprocating electric push rod, the lifting mechanism 6 pushes the fixed block 5 vertically into the inside of the slot 8 to move up and down, and the up and down movement of the roller 9 adjusts the tension or position.

[0027] When the device is used, the use state of the roller 9 is adjusted according to the use condition, when it is needed to horizontally support and pull the film at multiple points, the limiting bolt 12 at the bottom of the fixed block 5 is removed, the fixed block 5 is slid in the fixed groove 3, the fixed block 5 drives the adjustment of the position of the roller 9, the roller 9 realizes the support and pulling of the film at multiple points through the adjustment of the position, after the position adjustment of the fixed block 5 is completed, the limiting bolt 12 is installed in the inside of the threaded hole 14 through the sliding groove 4, the limiting of the fixed block 5 is realized through the limiting bolt 12, after the roller 9 is horizontally installed, the film can be cross-installed on the roller 9, when it is needed to change the tension in use, the fixed block 5 is moved to the top of the movable column 18, the limiting bolt 12 is removed, the lifting mechanism 6 is started to push the movable column 18 into the inside of the fixed hole 13, when it is needed to adjust the tension in the later period, the lifting mechanism 6 is started to push the fixed block 5 into the inside of the slot 8, the up and down movement of the roller 9 realizes the adjustment of the tension of the film pulling, so as to avoid the influence caused by the winding of the film on the roller 9 due to the looseness.

[0028] The basic principle and main features of the present application and the advantages of the present application are shown and described above. For those skilled in the art, it is obvious that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or basic characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

[0029] In addition, it should be understood that, although the present application is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A traction aid structure for a film blowing machine comprising a fixed seat (1), characterized in that: The bottom of the fixed seat (1) is welded with a supporting rod (2), one side of the supporting rod (2) is fixed with a movable seat (11), the movable seat (11) is movably installed with a limiting seat (10) between, the fixed seat (1) is opened with a fixed groove (3), the inside of the fixed groove (3) is movably installed with a fixed block (5), the fixed block (5) is rotatably installed with a roller (9) between, the fixed seat (1) is welded with a fixed frame (7), the fixed frame (7) is opened with a slot (8), the slot (8) is connected with the fixed groove (3), the inner wall of the fixed groove (3) is penetratedly opened with a sliding groove (4).

2. A traction aid for a film blowing machine according to claim 1, characterised in that: The inside of the sliding groove (4) is movably installed with a limiting bolt (12), the bottom of the fixed block (5) is opened with a fixed hole (13).

3. A traction aid for a film blowing machine according to claim 2, wherein: The inner wall of the fixed hole (13) is opened with a threaded hole (14), one end of the limiting bolt (12) is rotatably installed in the inside of the threaded hole (14).

4. The auxiliary traction structure of a film blowing machine according to claim 1, characterized in that: The inner wall of the fixed block (5) is opened with a mounting hole (19), the inside of the mounting hole (19) is fixed with a bearing (20), the roller (9) is installed on the bearing (20) through a fixed column.

5. A traction aid for a film blowing machine according to claim 1, wherein: The inside of the limiting seat (10) is fixedly installed with a displacement mechanism (15), one end of the displacement mechanism (15) is fixed on the movable seat (11).

6. A traction aid for a film blowing machine according to claim 5, wherein: The limiting seat (10) is opened with a positioning hole, the inside of the positioning hole is movably installed with a positioning column (16), one end of the positioning column (16) is fixed on the movable seat (11).

7. A traction aid for a film blowing machine according to claim 1, wherein: The fixed seat (1) is opened with an arc-shaped groove (17), the arc-shaped groove (17) is connected with the sliding groove (4), the inside of the arc-shaped groove (17) is movably installed with a movable column (18).

8. A traction aid for a film blowing machine according to claim 7, wherein: The bottom of the fixed seat (1) is fixed with a lifting mechanism (6), the movable column (18) is installed on the lifting mechanism (6), one end of the movable column (18) is movably installed in the inside of the fixed hole (13).

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