Film winding device of a laminating machine

Abstract

The present invention discloses a film winding device of a laminating machine, which belongs to the field of packaging technology, and includes a plurality of conveying rollers, a bracket and two groups of contact components, wherein the bracket is fixed with a detection camera, and the contact component includes a support shaft and a plurality of contact wheels, wherein the support shaft is rotatably arranged on the bracket, and a plurality of connecting sleeves are slidably arranged on the support shaft, and the plurality of contact wheels are respectively fixed on the plurality of connecting sleeves, and the contact wheels are provided with movable parts for contacting with the film, and the bracket is provided with a control mechanism for pushing the connecting sleeve to slide and a limiter for limiting the movement of the movable parts. The film winding device of a laminating machine of the present invention can stretch and unfold the film, reduce wrinkles on the surface of the film, and at the same time reduce relative friction with the film, and reduce the probability of wear on the surface of the film.

Description

Technical Field

[0001] The invention relates to the technical field of packaging, in particular to a film winding device of a laminating machine. Background Art

[0002] In order to increase the appearance and durability of packaging cartons or cartons, a layer of film will be covered on the surface.

[0003] The Chinese invention patent with announcement number CN117699110B introduces a laminating device and a laminating method thereof, which relate to the field of thin film laminating technology, and include an equipment platform, a carrying mechanism disposed on the equipment platform, and a control device disposed on the carrying mechanism; a supporting cylinder mechanism disposed on the carrying mechanism; a laminating mechanism disposed on the carrying mechanism, and the laminating mechanism is electrically connected to the control device; a wrinkle removal mechanism is disposed on the carrying mechanism, and the wrinkle removal mechanism is electrically connected to the control device.

[0004] The problem solved in the above scheme is that a wrinkle removal mechanism is provided, so that when the film moves, the inclination angle of the film roller is adjusted to make it closer to the inclination angle of the wrinkles on the film, so that the wrinkles on the film are faded. In the process of adjusting the inclination angle of the film roller, a transmission component and a wrinkle removal component are provided, so that the pressure plates at both ends of the third film roller can adjust the supporting force of the pressure plates on the film according to the inclination angle of the wrinkles on the film, thereby completely eliminating the wrinkles on the film and improving the coating quality of the device.

[0005] However, the change in the angle of the adjustment film roller will increase the relative friction between the film and the adjustment film roller, which may easily cause wear on the surface of the film. The present application provides another technical solution to this technical problem. Summary of the invention

[0006] The purpose of the present invention is to solve the problems in the prior art and to propose a film winding device for a laminating machine.

[0007] In order to achieve the above object, the present invention adopts the following technical solutions:

[0008] A film winding device of a laminating machine comprises a plurality of conveying rollers, a bracket and two groups of contact components, wherein a detection camera is fixed on the bracket, the contact component comprises a support shaft and a plurality of contact wheels, the support shaft is rotatably arranged on the bracket, a plurality of connecting sleeves are slidably arranged on the support shaft, and the plurality of contact wheels are respectively fixed on the plurality of connecting sleeves, the contact wheel is provided with a movable part for contacting the film, the bracket is provided with a control mechanism for pushing the connecting sleeve to slide and a limiter for limiting the movement of the movable part, the contact wheel is formed with an annular groove, the movable part comprises a plurality of rollers, and the plurality of rollers are rotatably arranged in the annular groove at an annular interval, the connecting sleeve is rotatably connected to a connecting frame through a bearing, the connecting frame and the bracket slide relative to each other, the control mechanism comprises adjusting motors respectively corresponding to the plurality of connecting sleeves, the adjusting motor is fixedly mounted on the bracket, the output end of the adjusting motor is threadedly connected to the connecting frame, two adjacent rollers are connected by a universal shaft, the limiter comprises an electromagnet for adsorbing the roller, the electromagnet is fixedly mounted on the connecting frame, and the position of the electromagnet corresponds to the annular groove.

[0009] The present invention is further configured as follows: guide protrusions are formed at annular intervals at the bottom of the annular groove, and a roller is arranged between two adjacent guide protrusions.

[0010] The present invention is further configured as follows: the contact wheel is fixedly mounted with a retaining ring, the retaining ring is used to block the annular groove, and the retaining ring is provided with a plurality of through openings for rollers to pass through.

[0011] The present invention is further configured as follows: the support shaft is provided with a guide groove along the axial direction, and the connecting sleeve forms a guide block for sliding into the guide groove.

[0012] The present invention is further configured as follows: a gear is fixedly connected to one end of the support shaft and is respectively located between two gears of the two groups of contact components and meshed with each other.

[0013] The present invention is further configured such that the side surface of the roller in contact with the film is arranged in an arc shape.

[0014] In summary, the present invention has the following beneficial effects:

[0015] Under the attraction of the electromagnet, the roller cannot rotate relative to the contact wheel. When the contact wheels of the two groups of contact assemblies slide along the support shaft, the roller will apply force to both sides of the conveyed film, causing the film to stretch and expand, reducing wrinkles on the film surface and ensuring the subsequent processing quality.

[0016] The roller can reduce the relative friction generated at the position of the film in contact with it, so that it can further reduce the probability of the roller wearing the film surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the present invention;

[0018] Figure 2 It is a schematic diagram of the structure of the contact assembly of the present invention;

[0019] Figure 3 It is a schematic diagram of the structure of the contact wheel and the regulating motor of the present invention;

[0020] Figure 4 It is a schematic structural diagram of the contact wheel of the present invention;

[0021] Figure 5 It is a schematic diagram of the structure between the contact wheel and the roller of the present invention.

[0022] In the figure: 1. conveying roller; 2. bracket; 3. supporting shaft; 4. contact wheel; 5. connecting sleeve; 6. detection camera; 7. adjustment motor; 8. connecting frame; 9. ring groove; 10. roller; 11. retaining ring; 12. through-hole; 13. universal joint; 14. electromagnet; 15. guide cam; 16. guide groove; 17. guide block; 18. gear. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. Obviously, the embodiments described are only some embodiments of the present invention, rather than all embodiments.

[0024] like Figure 1 and Figure 2 As shown, the present application provides a film winding device, which can be mounted on a laminating machine to convey and wind up the film. The film winding device of the laminating machine includes a plurality of conveying rollers 1, a bracket 2 and two groups of contact components. The conveying rollers 1 are rotatably mounted on the laminating machine, while the bracket 2 is fixedly mounted on the laminating machine. The two groups of contact components are mounted on the bracket 2. The film being conveyed passes between the two contact components under the support of the conveying rollers 1.

[0025] like Figure 2 and Figure 3As shown, the contact assembly includes a support shaft 3 and a plurality of contact wheels 4. The support shaft 3 is rotatably set on the bracket 2 through a bearing seat. The two support shafts 3 are arranged in parallel, and the two support shafts 3 are fixed with gears 18. The two gears 18 are directly meshed with each other, and one of the gears 18 is fixedly connected to the driving shaft of the driving motor, so that the two support shafts 3 can rotate together under the action of the driving motor, wherein a plurality of connecting sleeves 5 are slidably set on the support shaft 3, and the plurality of connecting sleeves 5 respectively located on the two support shafts 3 correspond to each other. The support shaft 3 is provided with a guide groove 16 along the axial direction, and the connecting sleeve 5 forms a guide block 17 for sliding into the guide groove 16. The cooperation of the guide groove 16 and the guide block 17 can increase the sliding stability of the connecting sleeve 5 on the support shaft 3, and the plurality of contact wheels 4 are respectively fixed to the plurality of connecting sleeves 5. When the support shaft 3 rotates, the connecting sleeve 5 and the contact wheel 4 rotate together, and the rotation direction of the contact wheel 4 is consistent with the film conveying direction.

[0026] like Figure 1 , Figure 3 as well as Figure 4 As shown, the bracket 2 is fixed with a detection camera 6, and the detection camera 6 can detect the wrinkles of the film when it is transported, wherein the connecting sleeve 5 is rotatably connected to the connecting frame 8 through a bearing, and the connecting frame 8 will not affect the rotation of the connecting sleeve 5 on the supporting shaft 3, and the bracket 2 is provided with a control mechanism, which includes adjusting motors 7 corresponding to a number of connecting sleeves 5 respectively, and the adjusting motor 7 is fixedly installed on the bracket 2 by bolts, and the output end of the adjusting motor 7 is threadedly connected to the connecting frame 8. When the detection camera 6 detects the wrinkles of the film, the bearing and the connection with the output end of the adjusting motor 7 can be used to control the operation of the adjusting motor 7, so that the connecting frame 8 and the bracket 2 slide relative to each other, and the positions of the connecting sleeve 5 and the contact wheel 4 will change under the action of the connecting frame 8.

[0027] like Figure 3 , Figure 4 as well as Figure 5As shown, the side wall of the contact wheel 4 is formed with an annular groove 9, wherein a movable part is arranged in the annular groove 9, and the movable part includes a plurality of rollers 10, and the plurality of rollers 10 are rotatably arranged in the annular groove 9 at an annular interval. A guide protrusion 15 is formed with an annular interval at the bottom of the annular groove 9, and a roller 10 is arranged between each of two adjacent guide protrusions 15. The guide protrusion 15 can ensure the position of the roller 10 in the annular groove 9. The contact wheel 4 is fixedly installed with a retaining ring 11, and the retaining ring 11 is used to block the annular groove 9. The retaining ring 11 is provided with a plurality of through-holes 12 for the rollers 10 to pass through. Parts of the rollers 10 protrude outside the annular groove 9 through the through-holes 12. Therefore, when the film is conveyed, the two sides of the same part of the film will be respectively It is in contact with two rollers 10, and the direction of rotation of the contacting rollers 10 is perpendicular to the direction of film conveying. At the same time, the side of the roller 10 in contact with the film is arranged in an arc shape, so that the arrangement can have a guiding effect on the roller 10 and the film. At the same time, two adjacent rollers 10 are connected by a universal joint 13, so that several rollers 10 can rotate together. When the connecting sleeve 5 slides relatively along the support shaft 3 under the action of the adjusting motor 7, the roller 10 is not easy to exert a force on the film by utilizing the rotation of the roller 10, so that the relative friction between the roller 10 and the film can be reduced, thereby reducing the impact on the film conveying.

[0028] like Figure 3 , Figure 4 as well as Figure 5 As shown, the roller 10 is made of magnetic metal material, the contact wheel 4 and the retaining ring 11 are both made of nylon rubber material, wherein the bracket 2 is provided with a limit member, the limit member includes an electromagnet 14, the electromagnet 14 is fixedly mounted on the connecting frame 8, and the position of the electromagnet 14 corresponds to the annular groove 9. When the electromagnet 14 is energized, the electromagnet 14 will have an attraction effect on the roller 10, and rely on magnetism to limit the rotation of a plurality of rollers 10, so that the rotation of the plurality of rollers 10 has resistance.

[0029] In the initial state, the contact wheel 4 and the support shaft 3 rotate continuously, and the electromagnet 14 is not energized. When the detection camera 6 detects the wrinkles of the film, the electromagnet 14 is energized, and the rotation of the rollers 10 is limited by the magnetic attraction, and the adjustment motor 7 is controlled to change the position of the contact wheel 4 and the rollers 10 on the support shaft 3. As the rollers 10 are attracted by the electromagnet 14, the rollers 10 on both sides of the film squeeze the film and apply force toward both sides of the film to the conveyed film, so that the film stretches and expands, and the wrinkles on the surface of the film are reduced, ensuring the subsequent loading The working quality is improved, and at the same time, a number of adjustment motors 7 are relied on to make the moving distance of each contact wheel 4 inconsistent, thereby improving the effect of reducing wrinkles. After the detection camera 6 detects that the wrinkles of the film have been reduced, the electromagnet 14 is powered off, and the position of the contact wheel 4 will be reset under the action of the adjustment motor 7, so that it can cope with the next wrinkle. During the resetting process, a number of rollers 10 will rotate due to the contact with the film, so that the relative friction generated by the roller 10 and the film position in contact with it can be reduced, so that it can further reduce the probability of the roller 10 wearing the film surface.

[0030] In summary, the film winding device provided in this embodiment can stretch and unfold the film, reduce wrinkles on the film surface, and at the same time reduce the relative friction with the film, thereby reducing the probability of wear on the film surface.

[0031] The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A film winding device for a laminating machine, characterized in that: The invention comprises a plurality of conveying rollers, a bracket and two groups of contact components, wherein the bracket is fixed with a detection camera, the contact component comprises a support shaft and a plurality of contact wheels, the support shaft is rotatably arranged on the bracket, a plurality of connecting sleeves are slidably arranged on the support shaft, the plurality of contact wheels are respectively fixed on the plurality of connecting sleeves, the contact wheel is provided with a movable part for contacting with a film, the bracket is provided with a control mechanism for pushing the connecting sleeve to slide and a limit member for limiting the movement of the movable part, the contact wheel is formed with an annular groove, the movable part comprises a plurality of rollers, the plurality of rollers are rotatably arranged in the annular groove at an annular interval, the connecting sleeve is rotatably connected to the connecting frame through a bearing, the connecting frame and the bracket slide relatively, the control mechanism comprises adjusting motors corresponding to the plurality of connecting sleeves respectively, the adjusting motor is fixedly mounted on the bracket, the output end of the adjusting motor is threadedly connected to the connecting frame, two adjacent rollers are connected by a universal shaft, the limit member comprises an electromagnet for adsorbing the roller, the electromagnet is fixedly mounted on the connecting frame, and the position of the electromagnet corresponds to the annular groove.

2. The film winding device of the laminating machine according to claim 1, characterized in that: The bottom of the annular groove is formed with guide protrusions at annular intervals, and a roller is arranged between two adjacent guide protrusions.

3. The film winding device of the laminating machine according to claim 2, characterized in that: The contact wheel is fixedly mounted with a retaining ring, the retaining ring is used to block the annular groove, and the retaining ring is provided with a plurality of through openings for rollers to pass through.

4. The film winding device of the laminating machine according to claim 1, characterized in that: The support shaft is provided with a guide groove along the axial direction, and the connecting sleeve forms a guide block for sliding into the guide groove.

5. The film winding device of a laminating machine according to claim 1, characterized in that: One end of the support shaft is fixedly connected with a gear, which is respectively located between two gears of the two groups of contact components and meshes with each other.

6. The film winding device of a laminating machine according to claim 1, characterized in that: The side surface of the roller in contact with the film is arranged in an arc shape.

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