Guide roller assembly for POF heat shrink film

By designing a combination of the main frame, limiting plate, and electric heating tube, the problem of inaccurate winding position of the guide roller assembly for POF heat shrink film was solved, achieving precise winding and quality improvement of the heat shrink film.

CN223522005UActive Publication Date: 2025-11-07SHENZHEN ZHIXIN PACK MATERIAL CO LTD
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Patent Information

Application Number
CN202423176724.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2025-11-07
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

Existing guide roller assemblies for POF heat shrink film are prone to inaccurate winding positions when winding and collecting heat shrink film.

Method used

A guide roller assembly was designed, comprising a frame body, a fixing plate, a limiting plate, a motor, an electric heating tube, and an electric telescopic rod. By adjusting the position of the limiting plate and the preheating function of the electric heating tube, the precise winding and tension adjustment of the heat shrink film are ensured.

Benefits of technology

It enables precise winding and tightness adjustment of heat shrink film, preventing shrinkage caused by low temperature, and improving film quality and winding accuracy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of POF film production equipment, and discloses a guide roller assembly for a POF thermal shrinkage film, which comprises a frame main body, a fixing plate is fixedly connected in the frame main body, fixing blocks are fixedly connected at the two ends of the front surface of the frame main body and below the fixing plate, and the fixing blocks are fixedly connected with the frame main body. A first guide roller is fixedly installed at the position, above the fixing plate, in the frame body, two second guide rollers are fixedly installed at the position, between the lower portion of the fixing plate and the upper portion of the fixing block, in the frame body, a motor is fixedly installed on the side face of one fixing block, and the output end of the motor is fixedly connected with a third guide roller; and one end of the third guide roller is rotationally connected to the interior of the fixing block, the positions of the limiting plates can be effectively adjusted, the distance between the limiting plates is made to be equal to the width of the heat shrinkage film, and it is guaranteed that when the heat shrinkage film is wound and collected through a paper tube, the problem that the winding position is not accurate is solved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to POF film production equipment technical field especially relates to a kind of guide roller subassembly for POF heat shrink film. BACKGROUND

[0002] POF heat shrink film is a kind of film material widely used in packaging field, its characteristics are high plasticity, large shrinkage, good transparency, with excellent sealing property, it is widely used in the packaging of food, beverage, medicine, electronic product and various industries, in the application process of POF heat shrink film, guide roller subassembly is usually used to help complete the stretching, heating and shrinkage process of film material;But when the existing guide roller subassembly for POF heat shrink film utilizes paper tube to accurately wind and collect heat shrink film, the problem of inaccurate winding position will occur. UTILITY MODEL CONTENTS

[0003] The utility model discloses to the guide roller subassembly for POF heat shrink film in prior art utilizes paper tube to accurately wind and collect heat shrink film, and the problem of inaccurate winding position will occur, and the following technical scheme is proposed:

[0004] A kind of guide roller subassembly for POF heat shrink film, including frame main body, the fixed plate is fixedly connected in the frame main body, the fixed block is fixedly connected at the position below the fixed plate at the both ends of frame main body front, the first guide roller is fixedly installed at the position above the fixed plate in the frame main body, two second guide rollers are fixedly installed at the position between the position below the fixed plate and the position above the fixed block in the frame main body, the motor is fixedly installed in the fixed block, the third guide roller is fixedly connected in the motor output, and the third guide roller one end is rotatably connected in the fixed block;

[0005] The movable slot is set up at the top of the both ends of second guide roller, the limit board is movably connected at the position of movable slot in the second guide roller, the threaded rod is connected by screw thread in the limit board, the threaded rod one end is rotatably connected in the second guide roller, and the motor is fixedly connected at the other end of threaded rod, and the motor one end is fixedly installed on the outer surface of second guide roller.

[0006] Preferably, the extrusion plate is movably connected in the fixed plate, the electric telescopic rod is fixedly connected in the extrusion plate, the electric telescopic rod one end is fixedly installed in the fixed plate, the sliding block is fixedly connected at the both ends of extrusion plate, the sliding slot is set up at the position corresponding the outer surface of sliding block in the both ends of frame main body, and the sliding block outer surface is slidably connected in the sliding slot.

[0007] Preferably, the electric heating pipe is fixedly installed in the both ends of second guide roller.

[0008] Preferably, the limiting plate is L-shaped, and the limiting plate is made of stainless steel.

[0009] Preferably, the extrusion plate is made of stainless steel, and the extrusion plate is provided with an arc surface on both upper and lower sides of the end away from the fixed plate.

[0010] Preferably, the sliding block is rectangular, and the width of the sliding block is equal to the width of the sliding groove.

[0011] The POF heat shrinkable film guide roller assembly has the advantages that:

[0012] (1) The position of the limiting plate can be effectively adjusted, so that the distance between the limiting plates is equal to the width of the heat shrinkable film, and when the heat shrinkable film is wound and collected by using the paper tube, the problem of inaccurate winding position is avoided.

[0013] (2) The tightness of the heat shrinkable film can be adjusted as needed, realizing the functions of precise winding and tightness adjustment of the heat shrinkable film, and the surface of the second guide roller can be preheated to prevent the POF heat shrinkable film from shrinking due to low temperature of the second guide roller, thereby affecting the quality of the POF heat shrinkable film. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 Fig. 1 shows a structural schematic diagram of a POF heat shrinkable film guide roller assembly;

[0015] Figure 2 Fig. 2 shows a schematic diagram of the installation structure of the fixed plate;

[0016] Figure 3 Fig. 3 shows a schematic diagram of the installation structure of the extrusion plate;

[0017] Figure 4 Fig. 4 shows a schematic diagram of the installation structure of the limiting plate;

[0018] In the figure: 1, frame body; 2, fixed plate; 3, fixed block; 4, first guide roller; 5, second guide roller; 6, motor; 7, third guide roller; 8, movable groove; 9, limiting plate; 10, threaded rod; 11, motor; 12, extrusion plate; 13, electric telescopic rod; 14, sliding groove; 15, electric heating pipe; 16, sliding block. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the present application will be described in detail below with reference to the embodiments.

[0020] Embodiment 1: The present application provides a POF heat shrinkable film guide roller assembly, as shown in Figures 1 to 4As shown, including the frame body 1, the frame body 1 back is provided with heat shrink film production machine, the frame body 1 inside fixedly connected with fixed plate 2, the frame body 1 front two ends are located below the position of fixed plate 2 are fixedly connected with fixed block 3, the frame body 1 inside is located above the position of fixed plate 2 and is fixedly installed with first guide roller 4, the frame body 1 inside is located between the position of fixed plate 2 below and the top of fixed block 3 and is fixedly installed with two second guide rollers 5, the second guide roller 5 cannot rotate, a fixed block 3 inside fixedly installed with motor 6, motor 6 output end fixedly connected with third guide roller 7, the third guide roller 7 outer surface is provided with paper tube, the third guide roller 7 one end is rotatably connected in the other fixed block 3 inside;

[0021] Second guide roller 5 both ends top are provided with movable slot 8, the second guide roller 5 inside is movably connected with limiting plate 9 in the position of movable slot 8, the limiting plate 9 inside is connected with threaded rod 10 through screw thread, the threaded rod 10 one end is rotatably connected in the second guide roller 5 inside, the threaded rod 10 other end is fixedly connected with motor 11, motor 11 output end and threaded rod 10 one end fixedly connected, motor 11 one end is fixedly installed on the outer surface of second guide roller 5.

[0022] As Figure 1 And Figure 3 Shown, fixed plate 2 inside movably connected with extrusion plate 12, extrusion plate 12 inside fixedly connected with electric telescopic rod 13, electric telescopic rod 13 one end is fixedly installed in the inside of fixed plate 2, extrusion plate 12 both ends are fixedly connected with sliding block 16, the inside of frame body 1 both ends is provided with sliding slot 14 in the position of sliding block 16 outer surface, the outer surface of sliding block 16 is slidably connected in the inside of sliding slot 14, start electric telescopic rod 13, electric telescopic rod 13 can extrude plate 12 moves, extrusion plate 12 moves drive sliding block 16 in sliding slot 14 inside synchronous sliding, along with the movement of extrusion plate 12, extrusion plate 12 arc surface will contact heat shrink film, can adjust the tightness of heat shrink film according to the need, realize the function of heat shrink film accurate winding and tightness adjustment.

[0023] As Figure 1 And Figure 4 Shown, the inside of two second guide rollers 5 is fixedly installed with electric heating tube 15, can preheat the surface of second guide roller 5, prevent the second guide roller 5 due to low temperature and cause POF heat shrink film to shrink, thereby affect the quality of POF heat shrink film.

[0024] As Figure 1 And Figure 4 Shown, the shape of limiting plate 9 is L-shaped, the material of limiting plate 9 is stainless steel, because the surface of stainless steel is smooth, can effectively reduce the friction when contacting with POF heat shrink film, prevent POF heat shrink film surface from being worn, thereby avoid affecting the quality of POF heat shrink film.

[0025] As Figure 1 and Figure 2 The material of the extrusion plate 12 is stainless steel, and arc surfaces are arranged on the upper and lower sides of the end of the extrusion plate 12 away from the fixed plate 2, which can prevent the extrusion plate 12 from causing abrasion to the POF heat shrinkable film when the extrusion plate 12 contacts the POF heat shrinkable film, thereby improving the protection of the POF heat shrinkable film.

[0026] As Figure 1 and Figure 2 The shape of the sliding block 16 is rectangular, and the width of the sliding block 16 is equal to the width of the sliding groove 14, so that the sliding block 16 can move smoothly in the sliding groove 14 without shaking or deviation, thereby improving the stability of the sliding block 16 during movement.

[0027] Working principle: during actual use, first, the electric heating pipe 15 is started, the POF heat shrinkable film produced from the inside of the heat shrinkable film production machine is passed through the first guide roller 4 and contacts the front surface of the first guide roller 4, then the POF heat shrinkable film is passed through the second guide roller 5 on the inner side and contacts the bottom end surface of the second guide roller 5, then the POF heat shrinkable film is passed through the second guide roller 5 on the outer side and contacts the top end surface of the second guide roller 5, and the POF heat shrinkable film is located between the second guide roller 5 and the limiting plate 9, since the electric heating pipe 15 is installed in the second guide roller 5, the surface of the second guide roller 5 can be preheated, so that the POF heat shrinkable film is prevented from shrinking due to low temperature of the second guide roller 5, thereby affecting the quality of the POF heat shrinkable film, then the POF heat shrinkable film is wound on the paper cylinder on the surface of the third guide roller 7, then the electric telescopic rod 13 is started, the electric telescopic rod 13 can move the extrusion plate 12, the movement of the extrusion plate 12 drives the sliding block 16 to slide synchronously in the sliding groove 14, with the movement of the extrusion plate 12, the arc surface of the extrusion plate 12 contacts the POF heat shrinkable film, so that the tightness of the POF heat shrinkable film can be adjusted as needed, thereby realizing the functions of precise winding and tightness adjustment of the POF heat shrinkable film.

[0028] Then, according to the width of the POF heat shrinkable film, the positions of the two limiting plates 9 are adjusted, the motor 11 is started, the output end of the motor 11 rotates to drive the threaded rod 10 to rotate synchronously, the rotation of the threaded rod 10 drives the limiting plate 9 to move away from the motor 11, when the distance between the two limiting plates 9 is equal to the width of the POF heat shrinkable film, the movement is stopped, then the motor 6 is started, the output end of the motor 6 rotates to drive the third guide roller 7 to rotate synchronously, the rotation of the third guide roller 7 drives the paper cylinder to rotate synchronously, so that the POF heat shrinkable film can be wound and collected, and the position of the limiting plate 9 can be effectively adjusted, so that the distance between the limiting plates 9 is equal to the width of the POF heat shrinkable film, thereby ensuring that the POF heat shrinkable film is not wound inaccurately when the POF heat shrinkable film is wound and collected by the paper cylinder.

[0029] The above examples are only used to illustrate the technical solutions of the present application, but not to limit them.

Claims

1. A guide roller assembly for a POF heat shrink film, characterized in that, The utility model relates to a frame body (1) inside fixedly connected with fixed plate (2), the frame body (1) front both ends are fixedly connected with fixed block (3) below fixed plate (2) position, the frame body (1) inside is fixedly installed with first guide roller (4) above fixed plate (2) position, the frame body (1) inside is fixedly installed with two second guide rollers (5) between fixed plate (2) below and fixed block (3) above position, one of fixed block (3) side fixedly installed with motor (6), motor (6) output is fixedly connected with third guide roller (7), third guide roller (7) one end rotationally connected in fixed block (3) inside, second guide roller (5) both ends top all are set up with movable slot (8), the movable slot (8) position in second guide roller (5) inside is movably connected with limiting plate (9), the limiting plate (9) inside is connected with threaded rod (10) through screw thread, threaded rod (10) one end rotationally connected in second guide roller (5) inside, threaded rod (10) other end is fixedly connected with motor (11), motor (11) one end fixedly installed in second guide roller (5) outer surface.

2. The guide roller assembly for POF heat shrinkable film according to claim 1, characterized in that: The utility model relates to a frame body (1) inside fixedly connected with fixed plate (2), the frame body (1) front both ends are fixedly connected with fixed block (3) below fixed plate (2) position, the frame body (1) inside is fixedly installed with first guide roller (4) above fixed plate (2) position, the frame body (1) inside is fixedly installed with two second guide rollers (5) between fixed plate (2) below and fixed block (3) above position, one of fixed block (3) side fixedly installed with motor (6), motor (6) output is fixedly connected with third guide roller (7), third guide roller (7) one end rotationally connected in fixed block (3) inside, second guide roller (5) both ends top all are set up with movable slot (8), the movable slot (8) position in second guide roller (5) inside is movably connected with limiting plate (9), the limiting plate (9) inside is connected with threaded rod (10) through screw thread, threaded rod (10) one end rotationally connected in second guide roller (5) inside, threaded rod (10) other end is fixedly connected with motor (11), motor (11) one end fixedly installed in second guide roller (5) outer surface.

3. The guide roller assembly for POF heat shrinkable film according to claim 1, characterized in that: The utility model relates to a frame body (1) inside fixedly connected with fixed plate (2), the frame body (1) front both ends are fixedly connected with fixed block (3) below fixed plate (2) position, the frame body (1) inside is fixedly installed with first guide roller (4) above fixed plate (2) position, the frame body (1) inside is fixedly installed with two second guide rollers (5) between fixed plate (2) below and fixed block (3) above position, one of fixed block (3) side fixedly installed with motor (6), motor (6) output is fixedly connected with third guide roller (7), third guide roller (7) one end rotationally connected in fixed block (3) inside, second guide roller (5) both ends top all are set up with movable slot (8), the movable slot (8) position in second guide roller (5) inside is movably connected with limiting plate (9), the limiting plate (9) inside is connected with threaded rod (10) through screw thread, threaded rod (10) one end rotationally connected in second guide roller (5) inside, threaded rod (10) other end is fixedly connected with motor (11), motor (11) one end fixedly installed in second guide roller (5) outer surface.

4. The guide roller assembly for POF heat shrinkable film according to claim 1, characterized in that: The limiting plate (9) is of L shape, and is made of stainless steel.

5. The guide roller assembly for POF heat shrinkable film according to claim 2, characterized in that: The extrusion plate (12) is made of stainless steel, and arc surfaces are formed on the upper and lower sides of the end of the extrusion plate (12) away from the fixed plate (2).

6. The guide roller assembly for POF heat shrinkable film according to claim 2, characterized in that: The slide block (16) is rectangular, and the width of the slide block (16) is equal to the width of the slide groove (14).