Anti-loosening structure and plastic film winding device

Abstract

The utility model relates to the technical field of film processing, in particular to an anti-loosening structure and a plastic film winding device, which comprise a base, supports are fixedly connected to two sides of the upper end of the base, screw motors are fixedly connected to the bottom ends of the inner sides of the supports, and storage devices are arranged at the output ends of the screw motors; the inner end faces of the opposite sides of the supports are connected with rotating supporting plates through rotating shafts, and supporting structures are sleeved with the rotating supporting plates. Winding rollers are connected above the inner end faces of the opposite sides of the support through rotating shafts. The anti-loosening structure and the plastic film winding device have the advantages that due to the fact that the supporting structure is arranged, when the film is loosened after being wound, the film can be tightly wound on the winding roller through the supporting structure, the follow-up winding effect cannot be affected, and the winding quality of the film is improved.

Description

Technical Field

[0001] The utility model relates to the field of film processing, in particular to an anti-loosening structure and a plastic film winding device. Background Art

[0002] Plastic film is made of polyvinyl chloride, polyethylene, polypropylene, polystyrene and other resins, used for packaging and as a coating layer. Plastic packaging and plastic packaging products occupy an increasingly large share in the market, especially composite plastic flexible packaging, which has been widely used in food, medicine, chemical industry and other fields. In the production process of plastic film, a winding device is required to wind it.

[0003] When winding, the traditional winding device may cause the film to loosen due to changes in the rotation speed of the rotating roller or slippage, which has a great impact on the subsequent winding and the final quality of the winding. Therefore, the utility model proposes an anti-loosening structure and a plastic film winding device for solving the above problem. Utility Model Content

[0004] The utility model aims to provide an anti-loosening structure and a plastic film winding device to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-loosening structure, which includes: a base, brackets are fixedly connected to both sides of the upper end of the base, a screw motor is fixedly connected to the bottom end of the inner side of the bracket, and a storage device is provided at the output end of the screw motor; a rotating shaft on the inner end surface on the opposite side of the bracket is connected to a rotating support plate, and a supporting structure is provided inside the rotating support plate; a winding roller is connected to the rotating shaft above the inner end surface on the opposite side of the bracket.

[0006] Preferably, the storage device includes a transmission screw, which is arranged at the output end of the screw motor. The outer threaded sleeve of the transmission screw is provided with a lifting bolt sleeve. The lifting bolt sleeve rotating shaft is connected to a supporting cross bar. The two ends of the supporting cross bar are fixedly connected with a retractable rod. The upper inner end rotating shaft of the retractable rod is connected to both sides of the rotating support plate.

[0007] Preferably, the support structure comprises a support stabilizing rod, the upper end of the support stabilizing rod is provided with a limit rotation groove, a limit rotation frame is rotatably sleeved in the limit rotation groove, and the upper end of the limit rotation frame is fixedly connected to a winding support frame.

[0008] Preferably, elastic support rods are fixedly connected to both sides of the upper end of the position-limiting rotating groove, and the upper ends of the elastic support rods are supported by a winding support frame.

[0009] Preferably, the lower end of the support stabilizing rod is fixedly connected to a spring support plate, the upper end of the spring support plate is fixedly connected to a support spring, and the upper end of the support spring is fixedly connected to the bottom end of the rotating support plate.

[0010] Preferably, a supporting stabilizing rod is sleeved inside the rotating support plate.

[0011] A plastic film winding device uses the above-mentioned anti-loosening structure.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The anti-loosening structure and plastic film winding device proposed by the utility model are provided with a supporting structure, so that when the film is loosened a little while being wound, the supporting structure can wind the film tightly on the winding roller without affecting the subsequent winding effect, thereby improving the winding quality of the film. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the connection structure of the utility model;

[0016] Figure 3 It is a schematic diagram of the internal section of part of the structure of the utility model.

[0017] In the figure: 1 bracket, 2 winding roller, 3 rotating support plate, 4 pulling rod, 5 screw motor, 6 transmission screw,

[0018] 7 support stabilizer bar, 8 lifting bolt sleeve, 9 support spring, 10 spring support plate, 11 winding support frame,

[0019] 12, a limit rotation groove, 13, an elastic support rod, and 14, a limit rotation frame. DETAILED DESCRIPTION

[0020] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Embodiment 1

[0022] See also Figure 1-Figure 3The utility model provides a technical solution: an anti-loosening structure includes a base, and brackets 1 are fixedly connected to both sides of the upper end of the base, a screw motor 5 is fixedly connected to the bottom end of the inner side of the bracket 1, and a storage device is provided at the output end of the screw motor 5; a rotating shaft is connected to a rotating support plate 3 on the inner end surface on the opposite side of the bracket 1, and a supporting structure is provided inside the rotating support plate 3; a winding roller 2 is connected to the rotating shaft above the inner end surface on the opposite side of the bracket 1, and the winding roller 2 is used to wind up the plastic film.

[0023] The supporting structure is used to support and tighten the plastic film when the plastic film is stored, and the storage device is used to store and support the supporting structure. When the supporting structure is stored, it is convenient to take out the stored plastic film.

[0024] Embodiment 2

[0025] On the basis of embodiment one, the storage device includes a transmission screw 6, which is arranged at the output end of the screw motor 5. A lifting bolt sleeve 8 is provided on the outer threaded sleeve of the transmission screw 6. The lifting bolt sleeve 8 has a rotating shaft connected to a supporting cross bar. The two ends of the supporting cross bar are fixedly connected to a retracting rod 4. The upper inner end rotating shaft of the retracting rod 4 is connected to both sides of the rotating support plate 3.

[0026] The screw motor 6 drives the transmission screw 6 to rotate, and the rotation of the transmission screw 6 drives the lifting bolt sleeve 8 to rise and fall, so that the retracting rod 4 can realize the positioning and rotation support of the rotating support plate 3, thereby realizing the use and storage of the supporting structure.

[0027] Embodiment 3

[0028] On the basis of embodiment 2, the supporting structure includes a supporting stabilizing rod 7, a limited rotation groove 12 is provided at the upper end of the supporting stabilizing rod 7, a limited rotation frame 14 is rotatably sleeved in the limited rotation groove 12, the upper end of the limited rotation frame 14 is fixedly connected to a winding support frame 11, elastic support rods 13 are fixedly connected on both sides of the upper end of the limited rotation groove 12, the upper end of the elastic support rod 13 supports the winding support frame 11, the lower end of the supporting stabilizing rod 7 is fixedly connected to a spring support plate 10, the upper end of the spring support plate 10 is fixedly connected to a support spring 9, the upper end of the support spring 9 is fixedly connected to the bottom end of the rotating support plate 3, and the rotating support plate 3 is sleeved with a supporting stabilizing rod 7.

[0029] When the winding roller 2 is winding, the plastic film is supported by the winding support frame 11. When the thickness of the plastic film increases, the support stabilizing rod 7 can be adjusted in height under the action of the support spring 9. At the same time, the winding support frame 11 can be adjusted in angle under the support of the elastic support rod 13 to fit winding films of different thicknesses. At the same time, in order to ensure that excessive angle adjustment does not affect the stability of the support, the limiting rotating frame 14 is limited in rotation under the action of the limiting rotating groove 12 to prevent excessive adjustment.

[0030] A plastic film winding device uses the above-mentioned anti-loosening structure.

[0031] During actual use, when the winding roller 2 is winding, the plastic film is supported by the winding support frame 11. When the thickness of the plastic film increases, the support stabilizing rod 7 can be adjusted in height under the action of the support spring 9. At the same time, the winding support frame 11 can be adjusted in angle under the support of the elastic support rod 13, which is used to fit winding films of different thicknesses. At the same time, in order to ensure that excessive angle adjustment does not affect the stability of the support, under the action of the limiting rotation groove 12, the limiting rotation frame 14 is limited in rotation to prevent excessive adjustment. When use is completed, the two ends of the support cross bar are fixedly connected with a winding rod 4, and the inner end rotating shaft above the winding rod 4 is connected to the two sides of the rotating support plate 3. The screw motor 6 drives the transmission screw 6 to rotate, and the rotation of the transmission screw 6 drives the lifting bolt sleeve 8 to rise and fall, so that the winding rod 4 can realize positioning and rotating support for the rotating support plate 3, thereby realizing the opening and storage of the support structure.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An anti-loosening structure, characterized in that: The anti-loosening structure comprises: A base, wherein brackets (1) are fixedly connected to both sides of the upper end of the base, a screw motor (5) is fixedly connected to the inner bottom end of the bracket (1), and a storage device is provided at the output end of the screw motor (5); The inner end surface of the opposite side of the bracket (1) is connected to a rotating support plate (3) via a rotating shaft, and a supporting structure is sleeved inside the rotating support plate (3); A winding roller (2) is connected to a rotating shaft above the inner end surface on the opposite side of the bracket (1).

2. The anti-loosening structure according to claim 1, characterized in that: The storage device comprises a transmission screw (6), the transmission screw (6) being arranged at the output end of the screw motor (5), the outer threaded sleeve of the transmission screw (6) being provided with a lifting bolt sleeve (8), the rotating shaft of the lifting bolt sleeve (8) being connected to a supporting cross bar, the two ends of the supporting cross bar being fixedly connected to a retracting rod (4), and the rotating shaft at the upper inner end of the retracting rod (4) being connected to the two sides of the rotating support plate (3).

3. The anti-loosening structure according to claim 1, characterized in that: The support structure comprises a support stabilizing rod (7), the upper end of the support stabilizing rod (7) is provided with a limit rotation groove (12), a limit rotation frame (14) is rotatably sleeved in the limit rotation groove (12), and the upper end of the limit rotation frame (14) is fixedly connected to a winding support frame (11).

4. The anti-loosening structure according to claim 3, characterized in that: Elastic support rods (13) are fixedly connected to both sides of the upper end of the limit rotation groove (12), and the upper end of the elastic support rod (13) supports the winding support frame (11).

5. The anti-loosening structure according to claim 3, characterized in that: The lower end of the support stabilizing rod (7) is fixedly connected to a spring support plate (10), the upper end of the spring support plate (10) is fixedly connected to a support spring (9), and the upper end of the support spring (9) is fixedly connected to the bottom end of the rotating support plate (3).

6. The anti-loosening structure according to claim 1, characterized in that: A supporting stabilizing rod (7) is sleeved inside the rotating support plate (3).

7. A plastic film winding device, characterized in that: The anti-loosening structure described in any one of claims 1 to 6 is used.

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