Heat shrinkage film winding device

Abstract

The utility model provides a heat shrink film winding device which comprises a box body, a supporting arm is installed at the corner of the upper portion of one side face of the box body, a motor is installed on the upper surface of the supporting arm, a detachable winding disc used for winding a heat shrink film is installed on an output shaft of the motor, and a guide groove is formed in the top of the box body. A supporting roller is rotationally installed on the upper portion of the face, away from the winding disc, of the box body, a pressing roller used for pressing a heat shrinkage film is arranged on the lower side of the supporting roller, L-shaped bases are rotationally installed at the two ends of the pressing roller correspondingly, supporting arms are arranged at the two ends of the pressing roller correspondingly, and vertical holes are formed in the sides, provided with round holes, of the L-shaped bases, of the upper surfaces of the supporting arms. A vertical hole is formed in the base, a screw rod is inserted in the vertical hole, first nuts are arranged on the two sides of the vertical hole in the length direction of the screw rod, and the first nuts are in threaded connection with the screw rod, and the thermal shrinkage film winding device has the advantages that the transmission distance of a thermal shrinkage film is adjusted according to needs, and the thermal shrinkage film is prevented from being wound when not cooled to a proper temperature.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of heat shrinkable film winding devices, belong to heat shrinkable film field. BACKGROUND

[0002] Heat shrinkable film is a kind of special plastic film, it shrinks when heating, tightly fits the shape of packing article. This material is widely used in food, beverage, medicine, cosmetics and other industries in packaging, with the advantages of protecting products, prolonging shelf life, improving appearance aesthetics. After production, heat shrinkable film needs to pass through pressure holding roller and support roller, so as to dissipate heat when heat shrinkable film passes through pressure holding roller and support roller. Currently, the position of pressure holding roller is fixed, that is, the distance between pressure holding roller and support roller is fixed. It is easy to cause heat shrinkable film to be poorly cooled due to short transmission distance, so that heat shrinkable film that has not been cooled to appropriate temperature is wound on winding disc. Therefore, it is necessary to design a heat shrinkable film winding device that can adjust the transmission distance of heat shrinkable film as needed. SUMMARY

[0003] In view of the deficiencies in the prior art, the utility model aims to provide a heat shrinkable film winding device to solve the problems raised in the background art. The utility model realizes adjusting the transmission distance of heat shrinkable film as needed and preventing heat shrinkable film from being wound without being cooled to appropriate temperature.

[0004] To achieve the above-mentioned purpose, the utility model is implemented by the following technical scheme: a heat shrinkable film winding device, comprising a box body, a bracket is installed on the upper corner of one side of the box body, a motor is installed on the upper surface of the bracket, a detachable winding disc for winding heat shrinkable film is installed on the output shaft of the motor, a guide groove is installed on the top of the box body, a support roller is rotatably installed on the upper part of the side of the box body away from the winding disc, a pressure holding roller for holding heat shrinkable film is arranged below the support roller, L-shaped seats are rotatably installed at both ends of the pressure holding roller, a support arm is arranged at both ends of the pressure holding roller, the horizontal part of the L-shaped seat is connected with the support arm by screws, the end of the support arm away from the L-shaped seat is in sliding contact with the box body, a vertical hole is formed on one side of the circular hole on the upper surface of the support arm, a screw rod is inserted into the vertical hole, the two ends of the screw rod are connected with the box body through connecting pieces, first nuts are arranged on both sides of the vertical hole along the length direction of the screw rod, and the first nuts are threadedly connected with the screw rod.

[0005] Further, the connecting piece comprises an end seat, the upper side and the lower side of the support arm are both provided with an end seat, the end seat is of L-shaped structure, a positioning sleeve concentrically arranged with the vertical hole is installed on the side of the end seat facing the screw rod, and the end of the screw rod is inserted into the positioning sleeve.

[0006] Further, the vertical hole upper side and the vertical hole lower side are provided with L-shaped plates, vertical parts of the L-shaped plates are connected with the supporting arms, horizontal parts of the L-shaped plates are provided with circular holes arranged concentrically with the vertical holes, the screw rods pass through the circular holes, and two L-shaped plates on one supporting arm are arranged between two first nuts.

[0007] Further, the end seat and the box body are provided with a protrusion, the protrusion is connected and fixed with the box body, and the end seat is connected with the protrusion through a screw.

[0008] Further, a U-shaped frame is arranged on the upper part of the side of the box body away from the winding disc, the supporting roller is rotatably arranged in the U-shaped frame, downwardly inclined guide plates are arranged at two ends of the guide groove, the guide plate at one end of the guide groove extends into the U-shaped frame, a supporting seat is arranged at the bottom of the guide groove, and the supporting seat is arranged on the top of the box body through a screw.

[0009] Further, a horizontal plate is arranged on the side of the U-shaped frame close to the supporting roller, a strip-shaped groove is arranged on the upper surface of the horizontal plate along the length direction of the horizontal plate, two vertically arranged limiting rollers are arranged in the U-shaped frame, a threaded head is rotatably arranged at the lower end of the limiting roller, and the threaded head passes through the strip-shaped groove and is screw-connected with a second nut at the lower end.

[0010] The utility model discloses the beneficial effect of:

[0011] 1. according to the height of the supporting arm along the length direction of the screw rod is adjusted as required, the interval between the pressing roller and the supporting roller changes at this time, then the relative position of the screw rod and the supporting arm is limited by two first nuts, the transmission distance of the heat shrinkable film when passing through the pressing roller and the supporting roller increases or shortens, the heat dissipation time of the heat shrinkable film before being wound changes at this time, the transmission distance of the heat shrinkable film is adjusted as required, and the heat shrinkable film is prevented from being wound when not being cooled to the appropriate temperature.

[0012] 2. the end of the screw rod is inserted into the positioning sleeve on the end seat, and the screw rod passes through the channel formed by the vertical hole and the circular hole, and at this time, two L-shaped plates on one screw rod are between two first nuts, that is, there is a gap between the first nut and the supporting arm, when the first nut and the screw rod cannot be normally disassembled due to corrosion and the like, the gap between the first nut and the supporting arm is used to cut off the screw rod, and then the end of the screw rod is taken out from the positioning sleeve, so that the screw rod and the first nut can be replaced without damaging other components. BRIEF DESCRIPTION OF DRAWINGS

[0013] Other features, objects and advantages of the utility model will become more apparent through reading the following detailed description of non-restrictive embodiments with reference to the accompanying drawings:

[0014] Figure 1 It is a structure schematic view of the utility model kind of heat shrinkable film winding device.

[0015] Figure 2 It is assembly diagram of L-shaped seat, L-shaped plate and supporting arm in the heat shrinkable film winding device of the utility model;

[0016] Figure 3 It is assembly diagram of limiting roller, cross plate, supporting roller and U-shaped frame in the heat shrinkable film winding device of the utility model;

[0017] In the drawing: 1 - box, 2 - support arm, 3 - motor, 4 - winding disc, 5 - guide groove, 6 - support seat, 7 - guide plate, 8 - limiting roller, 9 - U-shaped frame, 10 - supporting roller, 11 - pressing roller, 12 - L-shaped seat, 13 - supporting arm, 14 - end seat, 15 - protruding block, 16 - screw rod, 17 - L-shaped plate, 18 - first nut, 19 - positioning sleeve, 20 - vertical hole, 21 - round hole, 22 - cross plate, 23 - second nut, 24 - threaded head, 25 - strip-shaped groove. DETAILED DESCRIPTION

[0018] 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 implementation manners.

[0019] Please refer to Figure 1 And Figure 3 The utility model provides a technical scheme: a heat shrinkable film winding device, including box 1, the corner of one side surface upper portion of box 1 is installed with support arm 2, the upper surface of support arm 2 is installed with motor 3, the output shaft of motor 3 is installed with detachable winding disc 4 for winding heat shrinkable film, the top of box 1 is installed with guide groove 5, wherein the bottom of guide groove 5 is installed with support seat 6, support seat 6 is installed on the top of box 1 by screw, the upper portion position of the side of box 1 away from winding disc 4 is installed with U-shaped frame 9, supporting roller 10 is rotatably installed in U-shaped frame 9, the both ends of guide groove 5 are installed with downwardly inclined guide plate 7, the guide plate 7 of one end of guide groove 5 extends to U-shaped frame 9, guide plate 7, guide groove 5 and supporting roller 10 cooperate with each other, realize the transmission path of heat shrinkable film is limited, the side close to supporting roller 10 in U-shaped frame 9 is installed with cross plate 22, the upper surface of cross plate 22 is provided with strip-shaped groove 25 along the length direction of cross plate 22, two vertically arranged limiting rollers 8 are arranged in U-shaped frame 9, the lower end of limiting roller 8 is rotatably installed with threaded head 24, the lower end of threaded head 24 penetrates strip-shaped groove 25 and is screw-connected with second nut 23, threaded head 24 and second nut 23 cooperate with each other, complete the assembly of cross plate 22 and limiting roller 8, under the limitation of two limiting rollers 8, the transmission path of heat shrinkable film is limited.

[0020] Refer to Figure 1 And Figure 2The lower side of the supporting roller 10 is provided with a holding roller 11 for holding the heat shrinkable film, both ends of the holding roller 11 are rotatably installed with L-shaped seats 12, both ends of the holding roller 11 are provided with supporting arms 13, the horizontal part of the L-shaped seat 12 is connected with the supporting arm 13 through a screw, the end of the supporting arm 13 away from the L-shaped seat 12 is in sliding contact with the box body 1, the vertical hole 20 is provided on one side of the L-shaped seat 12 on the upper surface of the supporting arm 13, the vertical hole 20 is inserted with a screw rod 16, both sides of the supporting arm 13 are provided with end seats 14, the end seat 14 is L-shaped structure, the end seat 14 and the box body 1 are provided with a protruding block 15, the protruding block 15 is connected and fixed with the box body 1, the end seat 14 is connected with the protruding block 15 through a screw, the protruding block 15 realizes local increase of the thickness of the screw for installing the end seat 14 position of the box body 1, the side of the end seat 14 facing the screw rod 16 is installed with a positioning sleeve 19 arranged concentrically with the vertical hole 20, the end of the screw rod 16 is inserted into the positioning sleeve 19, both sides of the vertical hole 20 along the length direction of the screw rod 16 are provided with first nuts 18, the first nut 18 is threadedly connected on the screw rod 16, the height of the supporting arm 13 is adjusted along the length direction of the screw rod 16 according to the need, at this time the distance between the holding roller 11 and the supporting roller 10 changes, then the relative position between the screw rod 16 and the supporting arm 13 is limited by the two first nuts 18, so that the transmission distance of the heat shrinkable film passing through the holding roller 11 and the supporting roller 10 is increased or shortened, at this time the heat dissipation time of the heat shrinkable film before being wound changes, the transmission distance of the heat shrinkable film is adjusted according to the need, and the heat shrinkable film is prevented from being wound without being cooled to a suitable temperature.

[0021] Referring to Figure 1 and Figure 2 , both sides of the vertical hole 20 are provided with L-shaped plates 17, the vertical part of the L-shaped plate 17 is connected with the supporting arm 13, the horizontal part of the L-shaped plate 17 is provided with a circular hole 21 arranged concentrically with the vertical hole 20, the screw rod 16 penetrates through the circular hole 21, the two L-shaped plates 17 on one supporting arm 13 are arranged between the two first nuts 18, so that the end of the screw rod 16 is inserted into the positioning sleeve 19 on the end seat 14, and the screw rod 16 penetrates through the channel formed by the vertical hole 20 and the circular hole 21, at this time the two L-shaped plates 17 on one screw rod 16 are between the two first nuts 18, that is, there is a gap between the first nut 18 and the supporting arm 13, when the first nut 18 and the screw rod 16 cannot be normally disassembled due to rust and other reasons, the gap between the first nut 18 and the supporting arm 13 is used to cut off the screw rod 16, then the end of the screw rod 16 is taken out from the positioning sleeve 19, so that the screw rod 16 and the first nut 18 can be replaced without damaging other components.

[0022] Although the present specification is described in terms of embodiments, not every embodiment exhibits every characteristic or implements every combination of features described in the present specification. In addition, not every embodiment includes every embodiment described in the present specification. The description herein of any embodiment, including any preferred embodiment, is thus intended to be illustrative, and not restrictive. The scope of the present application is thus intended to be broad, and will be set forth in the following claims.

Claims

1. A heat-shrinkable film winding device comprising a cabinet (1), characterized in that: The corner of the upper side of the box (1) is provided with a supporting arm (2), the upper surface of the supporting arm (2) is provided with a motor (3), the output shaft of the motor (3) is provided with a detachable winding disc (4) for winding the heat shrinkable film, the top of the box (1) is provided with a guide groove (5), the upper position of the side of the box (1) away from the winding disc (4) is rotatably provided with a supporting roller (10), the lower side of the supporting roller (10) is provided with a pressing roller (11) for pressing the heat shrinkable film, the both ends of the pressing roller (11) are rotatably provided with L-shaped seats (12), the both ends of the pressing roller (11) are provided with supporting arms (13), the horizontal part of the L-shaped seat (12) is connected with the supporting arm (13) through screws, the end of the supporting arm (13) away from the L-shaped seat (12) is in sliding contact with the box (1), the vertical hole (20) is arranged on one side of the L-shaped seat (12) in the circular hole (21) on the upper surface of the supporting arm (13), the vertical hole (20) is provided with a screw rod (16), the both ends of the screw rod (16) are connected with the box (1) through connecting pieces, the both sides of the vertical hole (20) along the length direction of the screw rod (16) are provided with first nuts (18), and the first nuts (18) are threadedly connected on the screw rod (16).

2. A heat shrinkable film winding apparatus according to claim 1, wherein: The connecting piece comprises an end seat (14), the upper side of the supporting arm (13) and the lower side of the supporting arm (13) are provided with the end seat (14), the end seat (14) is of L-shaped structure, one side of the end seat (14) facing the screw rod (16) is provided with a positioning sleeve (19) arranged concentrically with the vertical hole (20), and the end of the screw rod (16) is inserted into the positioning sleeve (19).

3. A heat shrinkable film winding apparatus as claimed in claim 2, wherein: The upper side and the lower side of the vertical hole (20) are provided with L-shaped plates (17), the vertical part of the L-shaped plate (17) is connected with the supporting arm (13), the horizontal part of the L-shaped plate (17) is provided with a circular hole (21) arranged concentrically with the vertical hole (20), the screw rod (16) penetrates through the circular hole (21), and the two L-shaped plates (17) on one supporting arm (13) are arranged between the two first nuts (18).

4. A heat shrinkable film winding apparatus as claimed in claim 2, wherein: The end seat (14) and the box (1) are provided with a protruding block (15), the protruding block (15) is fixedly connected with the box (1), and the end seat (14) is connected with the protruding block (15) through screws.

5. A heat shrinkable film winding apparatus as defined in claim 1, wherein: The upper position of the side of the box (1) away from the winding disc (4) is provided with a U-shaped frame (9), the supporting roller (10) is rotatably arranged in the U-shaped frame (9), the both ends of the guide groove (5) are provided with downwardly inclined guide plates (7), the guide plate (7) at one end of the guide groove (5) extends into the U-shaped frame (9), the bottom of the guide groove (5) is provided with a supporting seat (6), and the supporting seat (6) is arranged on the top of the box (1) through screws.

6. A heat shrinkable film winding apparatus as claimed in claim 5, wherein: The U-shaped frame (9) is provided with a horizontal plate (22) on the side close to the supporting roller (10), the upper surface of the horizontal plate (22) is provided with a strip-shaped slot (25) arranged along the length direction of the horizontal plate (22), and the U-shaped frame (9) is provided with two limiting rollers (8) arranged vertically, the lower end of the limiting roller (8) is rotatably provided with a threaded head (24), and the lower end of the threaded head (24) penetrates through the strip-shaped slot (25) and is threadedly connected with a second nut (23).

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