A winding structure and a winding machine

Abstract

The present application relates to the field of film conveying, and discloses a winding structure and a winding machine, wherein the winding structure comprises a winding frame, a winding roller arranged on the winding frame, the winding roller being rotatable relative to the winding frame, and the winding roller being used for winding a film; the winding structure further comprises a guide assembly and a winding wheel; the guide assembly is arranged below the winding roller, and the guide assembly is used for containing an end of the film; the winding wheel is arranged on the guide assembly, the winding wheel is rotatable relative to the guide assembly, the winding wheel is arranged below the winding roller, and the guide assembly is used for guiding the end of the film to the winding wheel. The winding machine comprises the winding structure.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of film transmission, in particular to a winding structure and a winding machine. BACKGROUND

[0002] In the process of winding a large number of film sheets into multiple rolls, the film needs to be slitting in order to separate the film rolls into multiple rolls for distribution to different customers. However, after the film is slitting, manual winding is required to wind the film onto the winding roller again, which has the risk of operation and is time-consuming and laborious. SUMMARY

[0003] The technical problem to be solved by the present application is to solve at least one of the above technical problems.

[0004] The solution to the technical problem of the present application is:

[0005] A winding structure, comprising a winding frame, a winding roller arranged on the winding frame, the winding roller being rotatable relative to the winding frame, the winding roller being used for winding a film, further comprising a guide assembly and a winding wheel; the guide assembly is arranged below the winding roller, the guide assembly is used for containing an end of the film; the winding wheel is arranged on the guide assembly, the winding wheel is rotatable relative to the guide assembly, the winding wheel is arranged below the winding roller, and the guide assembly is used for guiding the end of the film towards the winding wheel.

[0006] As a further improvement of the above technical solution, the winding wheel comprises a ratchet wheel and a driving assembly, the ratchet wheel is arranged on the guide assembly, the driving assembly is arranged on the guide assembly, and the driving assembly drives the ratchet wheel to rotate.

[0007] As a further improvement of the above technical solution, the teeth grooves on the ratchet wheel are used for inserting the end of the film, and the teeth grooves on the upper part of the ratchet wheel are directed towards the guide assembly.

[0008] As a further improvement of the above technical solution, the driving assembly comprises a motor and a transmission shaft, the motor is arranged on the guide assembly, the transmission shaft is arranged on the guide assembly, the transmission shaft is rotatable relative to the guide assembly, the motor is connected to the transmission shaft through a synchronous belt transmission, and the ratchet wheel is fixed on the transmission shaft.

[0009] As a further improvement of the above technical solution, a plurality of ratchet wheels are arranged, and all the ratchet wheels are fixed on the transmission shaft.

[0010] As a further improvement of the above technical solution, the guide assembly comprises a guide frame, a driving device and a guide block, the guide frame is hinged to the upper winding frame, the driving device is arranged on the upper winding frame, the driving device drives the guide frame to swing, and the guide block is fixed on the guide frame and is used for containing the end of the film and guiding the film.

[0011] As a further improvement of the above technical solution, the driving device comprises a cylinder, and two ends of the cylinder are respectively hinged to the upper winding frame and the guide frame.

[0012] As a further improvement of the above technical solution, the upper winding structure further comprises a guide roller, the guide roller is arranged on the upper winding frame, and the guide roller and the upper winding frame are relatively rotatable.

[0013] The application further comprises a winding machine comprising the upper winding structure in any of the above technical solutions.

[0014] The winding roller is used for winding the film, and the end of the film wound on the winding roller needs to be wound on the winding roller. In use, the end of the film is caught by the guide assembly after the film winds over the upper side of the winding roller, the film is guided by the guide assembly to move towards the direction of the upper winding wheel, and under the action of the movement of the film driven by the upper winding wheel, the film winds around the lower side of the winding roller, so that the winding operation of the winding roller is realized. The structure is simple and convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the application, the drawings needed in the embodiment description will be briefly described below. Obviously, the described drawings are only some of the embodiments of the application, not all the embodiments, and those skilled in the art can obtain other design schemes and drawings according to these drawings without creative labor.

[0016] Fig. 1 is a side view of the upper winding structure of the application;

[0017] Fig. 2 is an isometric view of the upper winding structure of the application, and the upper winding frame and the winding roller are not shown in the figure;

[0018] Fig. 3 is an isometric view of the ratchet wheel and the transmission shaft of the application.

[0019] In the drawings: 1-upper winding frame, 2-winding roller, 3-guide assembly, 31-guide frame, 32-driving device, 33-guide block, 41-ratchet wheel, 42-driving assembly, 421-motor, 422-transmission shaft, 5-guide roller. DETAILED DESCRIPTION

[0020] The concept, specific structure and generated technical effects of the present application will be described clearly and completely in combination with the embodiments and drawings, so as to fully understand the purpose, features and effects of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application. In addition, all the coupling / connection relationships mentioned in the present application do not mean that the components are directly connected, but that the more optimal coupling structure can be composed by adding or reducing the coupling accessories according to the specific implementation. The technical features in the present application can be combined interactively without conflict.

[0021] Reference Figs. 1-3 A winding structure comprises a winding frame 1, a winding roller 2 arranged on the winding frame 1, the winding roller 2 being rotatable relative to the winding frame 1, the winding roller 2 being used for winding a film, further comprising a guide assembly 3 and a winding wheel, the guide assembly 3 being arranged below the winding roller 2, the guide assembly 3 being used for containing an end of the film, the winding wheel being arranged on the guide assembly 3, the winding wheel being rotatable relative to the guide assembly 3, the winding wheel being arranged below the winding roller 2, the guide assembly 3 being used for guiding the end of the film towards the winding wheel.

[0022] As can be seen from the above, the winding roller 2 is used for winding the film, the end of the film around the winding roller 2 needs to be wound onto the winding roller 2. In use, the film passes over the upper side of the winding roller 2, and the end of the film is caught by the guide assembly 3. The guide assembly 3 guides the film to move towards the winding wheel. Under the action of the winding wheel driving the film to move, the film winds around the lower side of the winding roller 2, thereby realizing the operation of winding the winding roller 2. The structure is simple and convenient to use.

[0023] When the film is wound onto the lower side of the winding roller 2, the film needs to be further guided. Therefore, in some embodiments, the winding wheel comprises a ratchet wheel 41 and a driving assembly 42, the ratchet wheel 41 being arranged on the guide assembly 3, the driving assembly 42 being arranged on the guide assembly 3, the driving assembly 42 driving the ratchet wheel 41 to rotate. Through the arrangement of the ratchet wheel 41, the end of the film can be inserted into the tooth groove of the ratchet wheel 41. In the process of the driving assembly 42 driving the ratchet wheel 41 to rotate, the ratchet wheel 41 causes the film to be wound onto the winding roller 2.

[0024] The ratchet wheel 41 is used for winding the film onto the lower side of the winding roller 2, so that the end of the film surrounds the winding roller 2. In some embodiments, the tooth groove on the ratchet wheel 41 is used for inserting the end of the film, and the tooth groove on the upper part of the ratchet wheel 41 faces the guide assembly 3. The end of the film is inserted into the tooth groove on the upper part of the ratchet wheel 41 under the guidance of the guide assembly 3.

[0025] Preferably, the tooth back and tooth root of the ratchet wheel 41 are provided with smooth transition, so as to guide the film.

[0026] The driving assembly 42 is used to drive the ratchet wheel 41 to rotate. In some embodiments, the driving assembly 42 comprises a motor 421 and a transmission shaft 422, the motor 421 is arranged on the guiding assembly 3, the transmission shaft 422 is arranged on the guiding assembly 3, the transmission shaft 422 is rotatable relative to the guiding assembly 3, the motor 421 is connected to the transmission shaft 422 through a synchronous belt transmission, and the ratchet wheel 41 is fixed on the transmission shaft 422. The fixed part of the motor 421 is mounted on the guiding assembly 3, the output shaft of the motor 421 drives the transmission roller to rotate through the synchronous belt transmission, and the ratchet wheel 41 is fixed on the transmission shaft 422, so as to drive the ratchet wheel 41 to rotate.

[0027] In order to conveniently realize the winding function for the film with large width, in some embodiments, a plurality of ratchet wheels 41 are arranged, and all the ratchet wheels 41 are fixed on the transmission shaft 422.

[0028] In order to adjust the position of the winding wheel and adjust the direction of the film guiding, in some embodiments, the guiding assembly 3 comprises a guiding frame 31, a driving device 32 and a guiding block 33, the guiding frame 31 is hinged to the winding frame 1, the driving device 32 is arranged on the winding frame 1, the driving device 32 drives the guiding frame 31 to swing, and the guiding block 33 is fixed on the guiding frame 31 and used to hold the end of the film and guide the film. In use, the swinging frame is driven to swing by the driving device 32, so as to adjust the position of the winding wheel and the guiding block 33.

[0029] In some embodiments, the transmission roller is arranged on the guiding frame 31, and the motor 421 is arranged on the guiding frame 31.

[0030] In order to realize the swinging of the guiding frame 31, in some embodiments, the driving device 32 comprises a pneumatic cylinder, and the two ends of the pneumatic cylinder are respectively hinged to the winding frame 1 and the guiding frame 31. The pneumatic cylinder is extended and retracted to realize the swinging of the guiding frame 31.

[0031] In order to conveniently guide the film, in some embodiments, the winding structure further comprises a guide roller 5, the guide roller 5 is arranged on the winding frame 1 and rotatable relative to the winding frame 1. The positions of the guide roller 5 and the winding roller 2 can also be relatively displaced. In use, the user can make the guide roller 5 adhere to the surface of the winding roller 2, and the end of the film passes through the guide roller 5 and the winding roller 2.

[0032] Taking the ratchet wheel 41 arranged on the left side of the guide block 33 as an example, the winding movement of the winding roller 2 is clockwise rotation, the film is transported from the left side to the right side, passes through the upper side of the winding roller 2, and then is transported to the guide block 33 through the guide roller 5, the guide block 33 guides the end of the film to be inserted into the tooth groove on the upper part of the ratchet wheel 41, the tooth groove on the upper part of the ratchet wheel 41 faces the right side, and the ratchet wheel 41 rotates counterclockwise to make the film be wound onto the winding roller 2 above the ratchet wheel 41. Preferably, in the winding process, the ratchet wheel 41 is tangent to the winding roller 2.

[0033] The application further comprises a winding machine comprising the winding structure in any of the technical solutions described above. Since the winding structure has been described above, those skilled in the art should be able to understand in combination with the drawings, and therefore the winding structure will not be described here.

[0034] The preferred embodiments of the application are described above, but the application is not limited to the embodiments described above, and those skilled in the art can make various equivalent modifications or replacements without departing from the spirit of the application. These equivalent modifications or replacements are all included in the scope defined by the claims of the present application.

Claims

1. A winding structure comprising a winding frame (1), a winding roller (2) arranged on the winding frame (1), the winding roller (2) being rotatable relative to the winding frame (1), the winding roller (2) being used for winding a film, characterized in that, Also comprising: a guide assembly (3) arranged below the winding roller (2), the guide assembly (3) being used to hold the end of the film; an upper winding wheel arranged on the guide assembly (3), the upper winding wheel being rotatable relative to the guide assembly (3), the upper winding wheel being arranged below the winding roller (2), the guide assembly (3) being used to guide the end of the film towards the upper winding wheel; the upper winding wheel comprising a ratchet wheel (41) arranged on the guide assembly (3) and a driving assembly (42) arranged on the guide assembly (3), the driving assembly (42) driving the ratchet wheel (41) to rotate; the guide assembly (3) comprising a guide frame (31), a driving device (32) and a guide block (33), the guide frame (31) being hinged to the upper winding frame (1), the driving device (32) being arranged on the upper winding frame (1), the driving device (32) driving the guide frame (31) to swing, the guide block (33) being fixed on the guide frame (31), the guide block (33) being used to hold the end of the film and guide the film.

2. The roll-up structure according to claim 1, characterized in that The teeth grooves on the ratchet wheel (41) are used for the end of the film to be inserted, the teeth grooves on the upper part of the ratchet wheel (41) being directed towards the guide assembly (3).

3. The roll-up structure according to claim 1, wherein The driving assembly (42) comprises a motor (421) and a transmission shaft (422), the motor (421) being arranged on the guide assembly (3), the transmission shaft (422) being arranged on the guide assembly (3), the transmission shaft (422) being rotatable relative to the guide assembly (3), the motor (421) being connected to the transmission shaft (422) through a synchronous belt transmission, the ratchet wheel (41) being fixed on the transmission shaft (422).

4. The roll-up structure according to claim 3, wherein The ratchet wheel (41) is provided with a plurality of ratchet wheels (41), all the ratchet wheels (41) being fixed on the transmission shaft (422).

5. The roll-up structure according to claim 1, wherein The driving device (32) comprises a pneumatic cylinder, both ends of the pneumatic cylinder being hinged to the upper winding frame (1) and the guide frame (31) respectively.

6. The roll-up structure according to claim 1, wherein The upper winding structure further comprises a guide roller (5) arranged on the upper winding frame (1), the guide roller (5) being rotatable relative to the upper winding frame (1).

7. A winder characterized by The upper winding structure comprises any one of claims 1-6.

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