Adhesive tape coating machine capable of adjusting coating thickness

Abstract

The utility model relates to the field of adhesive tape coating machines, in particular to an adhesive tape coating machine capable of adjusting coating thickness, which comprises a machine body, a transmission component, a coating component and a drying component are arranged on the machine body, the transmission component comprises two feeding rollers, a winding roller and fixing supports, and the fixing supports are arranged on the front side and the rear side of the machine body. The two feeding rollers and the winding roller are arranged at the left end and the right end of the fixing support respectively, a first driving motor is arranged on the fixing support, the coating assembly comprises a glue coating roller, a glue scraping knife and a glue containing box, the glue containing box is arranged between the feeding rollers and the winding roller, the glue coating roller is arranged at the upper end of the glue containing box, and the glue coating roller is rotationally connected with the two sides of the glue containing box through bearing seats. The glue scraping knife is arranged on the machine body, the belt pressing roller is arranged on the glue scraping knife, the belt pressing roller and the glue scraping knife are arranged above the glue containing box through the telescopic mounting frame, the mounting frame is fixed to the machine body, the glue smearing thickness can be changed, the glue is saved, the production cost is reduced, and the applicable product range is wider.

Description

Technical Field

[0001] The utility model relates to the field of adhesive tape coating machines, in particular to an adhesive tape coating machine with adjustable coating thickness. Background Art

[0002] Adhesive tape is composed of two parts: base material and adhesive. It connects two or more unconnected objects together through bonding. In the production process of adhesive tape, the adhesive needs to be coated on the base material by a coating machine. There are two coating methods of the tape coating machine. One is to coat the photosensitive emulsion on the screen through multiple wet pressing operations, and then cure it through the light path. The other is to quantitatively coat the adhesive on the surface of the material and then cure it after drying.

[0003] Existing tape coating mostly adopts one-time coating. After the glue is coated, the glue cannot be scraped according to the requirements of the product to ensure the thickness of the glue, resulting in a waste of glue, increasing production costs, and a small range of applicable products. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art solutions, the utility model provides an adhesive tape coating machine with adjustable coating thickness, which can effectively solve the technical problem that the coating thickness of the glue cannot be adjusted.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] The adhesive tape coating machine with adjustable coating thickness comprises a machine body, on which a transmission assembly, a coating assembly and a drying assembly are arranged, the transmission assembly comprises two feeding rollers, a winding roller and a fixed bracket, the fixed bracket is arranged on the front and rear sides of the machine body, the two feeding rollers and the winding roller are respectively arranged on the left and right ends of the fixed bracket, a first driving motor is arranged on the fixed bracket, one end of the winding roller passes through the fixed bracket and is transmission-connected to the first driving motor, the two feeding rollers are connected by gears, any one of the two feeding rollers is connected to the second driving motor, the coating assembly comprises a glue coating roller, a glue scraper and a glue loading box, the glue loading box is arranged between the feeding roller and the winding roller, the glue coating roller is arranged at the upper end of the glue loading box, the glue coating roller is rotatably connected to the two sides of the glue loading box through a bearing seat, a belt pressing roller is arranged on the glue scraper, the belt pressing roller and the glue scraper are arranged above the glue loading box through a retractable mounting frame, and the mounting frame is fixed to the machine body.

[0007] Furthermore, the mounting frame includes two fixed seats, two lifting plates and a connecting rod. The fixed seats are provided with slide grooves. The two lifting plates are respectively inserted into the two slide grooves. The two ends of the connecting rod are respectively connected to the two lifting plates. The belt pressing roller is arranged on the connecting rod, and the two ends of the scraper are connected to the two fixed seats.

[0008] Furthermore, two glue coating rollers are provided, and the two glue coating rollers are arranged in parallel at the upper end of the glue loading box. A gantry is also provided on the machine body, and a pressing plate is provided above the two glue coating rollers, and the pressing plate is connected to the gantry through a telescopic rod.

[0009] Furthermore, a fixed roller and a straightening roller are arranged between the feeding roller and the glue coating roller, the fixed roller is rotatably connected to the fixed bracket, and both ends of the straightening roller are connected to the fixed bracket through springs.

[0010] Furthermore, the drying component is arranged between the winding roller and the belt holding roller, and the drying component includes a heating coil and a fan, and the heating coil and the fan are connected to the machine body through an adjustable support rod.

[0011] Furthermore, an adsorption layer for adsorbing glue is arranged on the glue coating roller, the adsorption layer is composed of sponge, and a gauze layer is arranged on the surface of the adsorption layer.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the glue coating roller is stained with glue in the glue box and smears the glue on the substrate by rotating; when the substrate passes through the belt pressing roller, the glue scraper scrapes off the excess glue on the substrate, and the scraped glue can flow back into the glue box again; the distance between the glue scraper and the belt pressing roller is adjusted by the retractable mounting frame, so the thickness of the glue smearing can be changed, the use of glue can be saved, the production cost can be reduced, and the applicable product range is wider. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the structure of the tape coating machine with adjustable coating thickness according to the utility model;

[0014] Figure 2 It is a structural schematic diagram of a feed roller in a tape coating machine with adjustable coating thickness according to the utility model;

[0015] Figure 3 It is a structural schematic diagram of the winding roller in the tape coating machine with adjustable coating thickness of the utility model;

[0016] Figure 4 This is a schematic diagram of the structure of the glue coating roller in the adhesive tape coating machine with adjustable coating thickness of the utility model;

[0017] Numbers in the figure: 1-machine body, 2-feeding roller, 3-winding roller, 4-fixed bracket, 5-first drive motor, 6-gear, 7-second drive motor, 8-glue coating roller, 9-glue scraper, 10-glue box, 11-fixed seat, 12-lifting plate, 13-connecting rod, 14-gantry, 15-pressing plate, 16-telescopic rod, 17-fixed roller, 18-straightening roller, 19-spring, 20-heating coil, 21-fan, 22-support rod, 23-adsorption layer, 24-gauze layer, 25-belt pressing roller. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0019] Combine the following Figure 1-Figure 4 The utility model is described in detail as follows:

[0020] The adhesive tape coating machine with adjustable coating thickness comprises a machine body 1, on which a transmission assembly, a coating assembly and a drying assembly are arranged, the transmission assembly comprises two feeding rollers 2, a winding roller 3 and a fixed bracket 4, the fixed bracket 4 is arranged on the front and rear sides of the machine body 1, the two feeding rollers 2 and the winding roller 3 are respectively arranged on the left and right ends of the fixed bracket 4, a first driving motor 5 is arranged on the fixed bracket 4, one end of the winding roller 3 passes through the fixed bracket 4 and is transmission-connected to the first driving motor 5, the two feeding rollers 2 are connected by a gear 6, any one of the two feeding rollers 2 is connected to a second driving motor 7, a fixed roller 17 and a straightening roller 18 are arranged between the feeding roller 2 and the glue coating roller 8, the fixed roller 17 is rotationally connected to the fixed bracket 4, and the two ends of the straightening roller 18 are connected to the fixed bracket 4 by a spring 19, the drying assembly is arranged between the winding roller 3 and the belt holding roller 25, the drying assembly comprises a heating coil 20 and a fan 21, and the heating coil 20 and the fan 21 are connected to the machine body 1 through an adjustable support rod 22.

[0021] The coating assembly includes a glue coating roller 8, a glue scraper 9 and a glue loading box 10. The glue loading box 10 is arranged between the feeding roller 2 and the winding roller 3. The glue coating roller 8 is arranged at the upper end of the glue loading box 10. The glue coating roller 8 is rotatably connected to both sides of the glue loading box 10 through a bearing seat. The glue coating roller 8 is provided with two, and the two glue coating rollers 8 are arranged in parallel at the upper end of the glue loading box 10. The two glue coating rollers 8 are connected through a synchronous belt. An adsorption layer 23 for adsorbing glue is arranged on the glue coating roller 8. The adsorption layer 23 is composed of sponge, and a gauze layer 21 is arranged on the surface of the adsorption layer 23. A gantry 14 is also arranged on the machine body 1. A pressing plate 15 is arranged above the two glue coating rollers 8. The pressing plate 15 is connected to the gantry 14 through a telescopic rod 16. The pressing plate 15 can be lifted and lowered by a telescopic rod 16 to adjust the distance between the substrate and the glue coating roller 8. A belt holding roller 25 is arranged on the glue scraper 9. The belt holding roller 25 and the glue scraper 9 are arranged above the glue loading box 10 through a telescopic mounting frame. The mounting frame is fixed on the machine body 1. The mounting frame includes two fixed seats 11, two lifting plates 12 and a connecting rod 13. The fixed seat 11 is pinched with a slide groove. The two lifting plates 12 are respectively inserted into the two slide grooves. The two ends of the connecting rod 13 are respectively connected to the two lifting plates 12. The belt holding roller 25 is arranged on the connecting rod 13. The two ends of the glue scraper 9 are connected to the two fixed seats 11. The height of the belt holding roller 25 can be adjusted by the lifting plate 12 to change the distance between the glue scraper 9 and the belt holding roller 25.

[0022] In the tape coating machine with adjustable coating thickness of the present embodiment, the substrate moves toward the glue coating roller 8 through the feeding roller 2, the glue coating roller 8 is stained with the glue in the glue loading box 10 and the glue is coated on the substrate by rotation, when the substrate passes through the tape pressing roller 25, the glue scraper 9 scrapes off the excess glue on the substrate, and the scraped glue can flow back into the glue loading box 10 again, the substrate coated with glue passes through the drying component to solidify the glue, and finally is wound up by the winding roller 3, and the distance between the glue scraper 9 and the tape pressing roller 25 is adjusted by the retractable mounting frame, so as to change the thickness of the glue coating, save the use of glue, reduce the production cost, and apply to a wider range of products.

[0023] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. An adhesive tape coating machine with adjustable coating thickness comprises a machine body, a transmission component, a coating component and a drying component are arranged on the machine body, and is characterized in that: The transmission assembly includes two feed rollers, a winding roller and a fixed bracket. The fixed bracket is arranged on the front and rear sides of the machine body. The two feed rollers and the winding roller are respectively arranged on the left and right ends of the fixed bracket. A first driving motor is arranged on the fixed bracket. One end of the winding roller passes through the fixed bracket and is transmission-connected to the first driving motor. The two feed rollers are connected by gears. Any one of the two feed rollers is connected to the second driving motor. The coating assembly includes a glue coating roller, a glue scraper and a glue loading box. The glue loading box is arranged between the feed roller and the winding roller. The glue coating roller is arranged at the upper end of the glue loading box. The glue coating roller is rotatably connected to the two sides of the glue loading box through a bearing seat. A belt pressing roller is arranged on the glue scraper. The belt pressing roller and the glue scraper are arranged above the glue loading box through a retractable mounting frame, and the mounting frame is fixed to the machine body.

2. The tape coating machine with adjustable coating thickness according to claim 1, characterized in that: The mounting frame includes two fixed seats, two lifting plates and a connecting rod. The fixed seats are provided with slide grooves. The two lifting plates are respectively inserted into the two slide grooves. The two ends of the connecting rod are respectively connected to the two lifting plates. The belt pressing roller is arranged on the connecting rod. The two ends of the scraper are connected to the two fixed seats.

3. The tape coating machine with adjustable coating thickness according to claim 1, characterized in that: The two glue coating rollers are arranged in parallel at the upper end of the glue loading box. A gantry is also arranged on the machine body. A pressing plate is arranged above the two glue coating rollers, and the pressing plate is connected to the gantry through a telescopic rod.

4. The tape coating machine with adjustable coating thickness according to any one of claims 1 to 3, characterized in that: A fixed roller and a straightening roller are arranged between the feeding roller and the glue coating roller. The fixed roller is rotatably connected to the fixed bracket, and two ends of the straightening roller are connected to the fixed bracket through springs.

5. The tape coating machine with adjustable coating thickness according to any one of claims 1 to 3, characterized in that: The drying component is arranged between the winding roller and the belt holding roller, and the drying component comprises a heating coil and a fan, and the heating coil and the fan are connected to the machine body through an adjustable supporting rod.

6. The tape coating machine with adjustable coating thickness according to any one of claims 1 to 3, characterized in that: An adsorption layer for adsorbing glue is arranged on the glue coating roller, the adsorption layer is composed of sponge, and a gauze layer is arranged on the surface of the adsorption layer.

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