PET protective film leveling device

Abstract

The utility model discloses a PET (Polyethylene Terephthalate) protective film leveling device, which belongs to the technical field of protective film leveling, solves the problems that a self-heating roller of the existing device can only heat one surface of a PET protective film, the heating effect on the PET protective film is poor, and the leveling effect on the PET protective film is poor, and comprises a bottom plate, a winding assembly and a tensioning heating assembly are arranged on the two sides of the top face of the bottom plate correspondingly, a leveling assembly is arranged in the middle of the top face of the bottom plate, a PET protective film penetrates through the position between a first self-heating roller and a second self-heating roller, and then the first self-heating roller and the second self-heating roller are driven by a first motor to rotate with a connecting rod as the axis; the first self-heating roller and the second self-heating roller can make contact with the two faces of the PET protective film correspondingly and heat the PET protective film, the heating effect on the PET protective film is improved, then the leveling effect of the leveling assembly on the PET protective film is improved, when the PET protective film is loosened, the first self-heating roller and the second self-heating roller are further rotated, and the PET protective film can be kept tight.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of protection film leveling, specifically to a PET protection film leveling device. BACKGROUND

[0002] PET protection film is a kind of film, it can be used as mobile phone and other electronic product surface protection, glass surface protection heat insulation, ultraviolet protection.

[0003] Through the search, in the application of patent application No. 202221737828.1, a kind of PET protection film processing leveling device, including platform, the bottom of platform is provided with two support frames in parallel symmetry, the top of platform both ends are slidably connected with L type connecting plate, L type connecting plate is slidably connected with transmission belt, the side opposite to L type connecting plate of transmission belt is equipped with compression mechanism, the side of platform is equipped with connecting frame one, the side of connecting frame one is slidably connected with mounting seat one, the top of mounting seat one is rotatably connected with self-heating roller, the bottom of mounting seat one is provided with the drive device that can make mounting seat one move up and down, the side of connecting frame one is equipped with tensioning mechanism;

[0004] Although the PET protection film processing leveling device has heating effect when leveling, has tensioning function when leveling transport, leveling operation is simple and convenient, but the self-heating roller of the PET protection film processing leveling device is only heated to one side of PET protection film, and the heating effect is poor, in turn leading to poor leveling effect.

[0005] Therefore, we propose a kind of PET protection film leveling device. INVENTION CONTENTS

[0006] In view of the deficiencies of prior art, the utility model provides a kind of PET protection film leveling device, solve the self-heating roller of existing device only can heat to one side of PET protection film, and the heating effect is poor, in turn leading to poor leveling effect of it.

[0007] To achieve the above object, the utility model is realized by the following technical scheme: a kind of PET protection film leveling device, including bottom plate, the top surface of bottom plate is respectively provided with winding assembly and tensioning heating assembly, the middle part of the top surface of bottom plate is provided with leveling assembly;

[0008] The tensioning and heating assembly comprises two first supporting plates fixedly installed on one side of the top surface of the bottom plate, connecting rods rotatably sleeved on the side walls of the two first supporting plates through bearing rings, and mounting plates fixedly installed at the ends of the two connecting rods away from the first supporting plates, wherein the two ends of each of the first self-heating roller and the second self-heating roller are rotatably sleeved on the side walls of the two ends of the mounting plate through bearing rings, and a first motor is fixedly installed on the side wall of one of the first supporting plates, and a connecting rod is fixedly connected to the output end of the first motor and penetrates through the side wall of the first supporting plate.

[0009] Preferably, the leveling assembly comprises a pad plate fixedly installed on the middle of the top surface of the bottom plate, and second supporting plates fixedly installed on the two sides of the pad plate, wherein a direction adjusting roller is rotatably sleeved on the side wall of the second supporting plate close to the tensioning and heating assembly through a bearing ring, and the bottom side of the direction adjusting roller is flush with the top surface of the pad plate.

[0010] Preferably, symmetrically distributed sliding grooves are formed in the side wall of the second supporting plate, a sliding block is slidably sleeved in the sliding grooves, an electric telescopic rod is fixedly installed on the top surface of the second supporting plate, and the output end of the electric telescopic rod is fixedly installed on the sliding block and penetrates through the top surface of the second supporting plate.

[0011] Preferably, a leveling roller is rotatably sleeved on the side wall of the sliding block through a bearing ring, wherein when the sliding block moves, the leveling roller moves synchronously, and the distance between the leveling roller and the pad plate is adjusted to adapt to PET protective films of different thicknesses.

[0012] Preferably, the winding assembly comprises a third supporting plate fixedly installed on the other side of the top surface of the bottom plate, a second motor fixedly installed on the side wall of the third supporting plate, one end of a gas expansion shaft fixedly connected to the output end of the second motor and penetrating through the side wall of the third supporting plate, and a winding drum movably sleeved on the outer surface of the gas expansion shaft, wherein the winding drum is sleeved on the outer surface of the gas expansion shaft, and then the winding drum is fixed by starting the gas expansion shaft, and the gas expansion shaft and the winding drum are rotated by starting the second motor, so that the PET protective film winding work can be performed.

[0013] The PET protective film leveling device has the following beneficial effects:

[0014] 1. The PET protective film flattening device, by passing the PET protective film between the first self-heating roller and the second self-heating roller, and then rotating the first self-heating roller and the second self-heating roller driven by the first motor with the connecting rod as the axis, the first self-heating roller and the second self-heating roller can be in contact with the two surfaces of the PET protective film and heat them, which can improve the heating effect of the PET protective film, and then improve the flattening effect of the flattening assembly on the PET protective film, when the PET protective film is loose, the first self-heating roller and the second self-heating roller can be further rotated, which can keep the PET protective film tight, solve the problem that the self-heating roller of the existing device can only heat one side of the PET protective film, and then the heating effect is poor, and then the flattening effect is poor;

[0015] 2. The PET protective film flattening device, the sliding block can be driven by the electric telescopic rod to move up and down in the sliding groove, and then the distance between the flattening roller and the backing plate is adjusted to adapt to PET protective films of different thicknesses, which is simple and convenient to operate and has wide application range. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model;

[0017] Figure 2 It is a side view structural schematic view of the utility model;

[0018] Figure 3 It is a tensioning and heating assembly structural schematic view of the utility model;

[0019] Figure 4 It is a flattening assembly structural schematic view of the utility model.

[0020] In the drawing: 1, bottom plate; 2, tensioning and heating assembly; 21, first support plate; 22, connecting rod; 23, mounting plate; 24, first motor; 25, first self-heating roller; 26, second self-heating roller; 3, flattening assembly; 31, second support plate; 32, backing plate; 33, direction adjusting roller; 34, flattening roller; 35, sliding groove; 36, electric telescopic rod; 37, sliding block; 4, winding assembly; 41, third support plate; 42, inflatable shaft; 43, second motor. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Embodiment 1:

[0023] As shown in Figures 1-4 : including the bottom plate 1, the top surface of the bottom plate 1 is provided with winding assembly 4 and tension heating assembly 2 respectively on both sides, the top surface of the bottom plate 1 is provided with leveling assembly 3 in the middle, the tension heating assembly 2 includes two first support plates 21 fixedly installed on one side of the top surface of the bottom plate 1, the two first support plates 21 are rotatably sleeved with connecting rods 22 on the adjacent side walls of the two first support plates 21 through bearing rings, the ends of the two connecting rods 22 away from the first support plates 21 are fixedly installed with mounting plates 23, the two ends of the mounting plate 23 are respectively provided with first self-heating roller 25 and second self-heating roller 26, the two ends of the first self-heating roller 25 and the second self-heating roller 26 are rotatably sleeved on the side walls of the two ends of the mounting plate 23 through bearing rings, and the side wall of one of the first support plates 21 is fixedly installed with a first motor 24, the output end of the first motor 24 is fixedly connected with the connecting rod 22 penetrating the side wall of the first support plate 21, by passing the PET protective film between the first self-heating roller 25 and the second self-heating roller 26, and then driving the first self-heating roller 25 and the second self-heating roller 26 to rotate around the connecting rod 22 by the first motor 24, the first self-heating roller 25 and the second self-heating roller 26 can be contacted with and heated to the two surfaces of the PET protective film respectively, which is beneficial to improve the heating effect on the PET protective film, and then improve the leveling effect of the leveling assembly 3 on the PET protective film, when the PET protective film is relaxed, the first self-heating roller 25 and the second self-heating roller 26 are further rotated, so that the PET protective film can be kept tight;

[0024] Example 2:

[0025] As shown in Figure 1 , 2 and 4: the leveling assembly 3 includes a base plate 32 fixedly installed on the top surface of the bottom plate 1, the two sides of the base plate 32 are fixedly installed with second support plates 31, the side wall of the second support plate 31 close to the tension heating assembly 2 is rotatably sleeved with a direction adjusting roller 33 through a bearing ring, the bottom side of the direction adjusting roller 33 is flush with the top surface of the base plate 32, the side wall of the second support plate 31 is provided with symmetrically distributed sliding grooves 35, the sliding grooves 35 are slidably sleeved with sliding blocks 37, the top surface of the second support plate 31 is fixedly installed with an electric telescopic rod 36, the output end of the electric telescopic rod 36 is fixedly installed on the sliding block 37 penetrating the top surface of the second support plate 31, the side wall of the sliding block 37 is rotatably sleeved with a leveling roller 34 through a bearing ring, the electric telescopic rod 36 can drive the sliding block 37 to move up and down in the sliding groove 35, and then adjust the distance between the leveling roller 34 and the base plate 32, so as to adapt to PET protective film of different thicknesses, the operation mode is simple and convenient, and the application range is wide;

[0026] Example 3:

[0027] As shown in Figures 1-2As shown: winding assembly 4 includes fixedly installed on the top surface of the other side of the base plate 1 third support plate 41, the side wall of the third support plate 41 is fixedly installed with the second motor 43, the output end of the second motor 43 is fixedly connected with one end of the gas expansion shaft 42 penetrating through the side wall of the third support plate 41, the outer surface of the gas expansion shaft 42 is movably sleeved with the winding drum, the winding drum is sleeved on the outside of the gas expansion shaft 42, then the gas expansion shaft 42 is started to fix the winding drum, then the second motor 43 is started to drive the gas expansion shaft 42 and the winding drum to rotate, that is, the PET protective film winding work can be carried out.

[0028] The working principle and use process of the utility model: the PET protective film leveling device, when using, the PET protective film is passed between the first self-heating roller 25 and the second self-heating roller 26, then the PET protective film is passed below the backing plate 32, then it is passed between the chute 35 and the backing plate 32, finally the PET protective film is wound on the winding drum, at the same time the first motor 24 is started to drive the connecting rod 22 and the mounting plate 23 to rotate, then the first self-heating roller 25 and the second self-heating roller 26 are rotated by a certain angle with the connecting rod 22 as the shaft, the first self-heating roller 25 and the second self-heating roller 26 are in contact with the two surfaces of the PET protective film respectively, then the first self-heating roller 25 and the second self-heating roller 26 are started at the same time to heat the PET protective film, when the PET protective film passes through the backing plate 32, the electric telescopic rod 36 is started to push the sliding block 37 downward, then the interval between the leveling roller 34 and the backing plate 32 is adjusted to be same as the thickness of the PET protective film, the heated PET protective film is flattened by the leveling roller 34 and the backing plate 32, when the PET protective film is relaxed, the first self-heating roller 25 and the second self-heating roller 26 are further rotated, which can make the PET protective film keep tight.

[0029] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, for those skilled in the art, obviously the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0030] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, the description manner of the specification is only for the sake of clarity, those skilled in the art should regard the specification as a whole, the technical solutions in each embodiment can also be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A PET protective film leveling device, characterized in that: Includes a base plate (1), on both sides of the top surface of the base plate (1) are respectively provided a winding assembly (4) and a tensioning heating assembly (2), and in the middle of the top surface of the base plate (1) is a leveling assembly (3); The tensioning heating assembly (2) includes two first support plates (21) fixedly installed on one side of the top surface of the base plate (1). Connecting rods (22) are rotatably mounted on the adjacent side walls of the two first support plates (21) via bearing rings. Mounting plates (23) are fixedly installed at the ends of the two connecting rods (22) away from the first support plates (21). A first self-heating roller (25) and a second self-heating roller (26) are respectively provided at both ends of the mounting plate (23). The ends of the first self-heating roller (25) and the second self-heating roller (26) are rotatably mounted on the side walls of both ends of the mounting plate (23) via bearing rings. A first motor (24) is fixedly installed on the side wall of one of the first support plates (21). The output end of the first motor (24) is fixedly connected to the connecting rod (22) through the side wall of the first support plate (21).

2. The PET protective film leveling device according to claim 1, characterized in that: The leveling component (3) includes a pad (32) fixedly installed in the middle of the top surface of the base plate (1). A second support plate (31) is fixedly installed on both sides of the pad (32). A directional roller (33) is rotatably mounted on the side wall of the second support plate (31) near the tensioning heating component (2) through a bearing ring. The bottom side of the directional roller (33) is flush with the top surface of the pad (32).

3. The PET protective film leveling device according to claim 2, characterized in that: The side wall of the second support plate (31) is provided with symmetrically distributed sliding grooves (35), and a slider (37) is slidably fitted inside the sliding grooves (35). An electric telescopic rod (36) is fixedly installed on the top surface of the second support plate (31), and the output end of the electric telescopic rod (36) is fixedly installed on the slider (37) through the top surface of the second support plate (31).

4. A PET protective film leveling device according to claim 3, characterized in that: The sidewall of the slider (37) is fitted with a leveling roller (34) via a bearing ring.

5. A PET protective film leveling device according to claim 1, characterized in that: The winding assembly (4) includes a third support plate (41) fixedly installed on the other side of the top surface of the base plate (1). A second motor (43) is fixedly installed on the side wall of the third support plate (41). The output end of the second motor (43) passes through the side wall of the third support plate (41) and is fixedly connected to one end of an air shaft (42). A winding drum is movably fitted on the outer surface of the air shaft (42).

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