Tightness adjusting mechanism of coating machine

Abstract

The utility model discloses a tightness adjusting mechanism of a coating machine, relates to the technical field of coating machines, and provides the following scheme that the tightness adjusting mechanism comprises a base and a clamping mechanism arranged at the top of the base, the clamping mechanism comprises a basic assembly and a working assembly, the basic assembly comprises a guide roller, the guide roller is arranged at the top of the base, and the working assembly is arranged at the bottom of the base. The outer wall of the guide roller is slidably connected with a thin film, the working assembly comprises a clamping head, the clamping head is arranged at one end of the guide roller, a handle is arranged to drive the rotary disc to rotate in the base plate, a sliding shaft is in an inward contraction or outward expansion state when sliding in the rotary disc, meanwhile, the sliding shaft can drive the clamping head to slide on the groove disc, and the clamping head is clamped in the groove disc. According to the guide roller clamping device, the guide roller can be clamped and fixed when the clamping head slides inwards, or the guide roller is loosened when the clamping head slides outwards, so that the replacement process of the guide roller is more convenient, and the problem that the maintenance efficiency is too low due to the fact that the replacement process is too tedious is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of coating machines, in particular to a tightness adjustment mechanism of a coating machine. Background Art

[0002] The coating machine is mainly used for the surface coating process of film, paper, etc. It coats the rolled substrate with a layer of glue, coating or ink with specific functions, and cuts it into sheets or rolls it up after drying. It uses a special multi-functional coating head, which can realize various forms of surface coating. The rewinding and unwinding of the coating machine are equipped with full-speed automatic film splicing mechanism, and PLC program tension closed-loop automatic control.

[0003] However, the coating machine in the prior art cannot adjust the tightness of the film, which causes the film to be too tight or too loose and affects the quality of the glue coating. In addition, the guide roller for adjusting the film is not easy to replace, and the disassembly and assembly process is too cumbersome, resulting in low maintenance efficiency. Therefore, a tension adjustment mechanism for the coating machine is needed. Utility Model Content

[0004] The utility model aims to provide a tension adjustment mechanism for a coating machine, which solves the problems in the prior art that the coating machine cannot adjust the tension of a film and the guide roller is inconvenient to replace.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a tension adjustment mechanism of a coating machine, comprising a base and a clamping mechanism arranged on the top of the base, wherein the clamping mechanism comprises a basic component and a working component;

[0006] The basic assembly comprises a guide roller, the top of the base is provided with a guide roller, and the outer wall of the guide roller is slidably connected with a film;

[0007] The working component includes a clamping head, one end of the guide roller is provided with the clamping head, the outer wall of the clamping head is slidably connected to a groove plate, one end of the clamping head is fixedly connected to a sliding shaft, the outer wall of the sliding shaft is slidably connected to a turntable, the outer wall of the turntable is fixedly connected to a handle, and the outer wall of the turntable is rotatably connected to a chassis.

[0008] The top of the base is fixedly connected with a slide rail, the inner wall of the slide rail is slidably connected with a slider, the outside of the slider is fixedly connected with a rack, the outer wall of the rack is meshingly connected with a gear, the inside of the gear is penetrated by a fixed shaft, and one end of the fixed shaft is fixedly connected with a knob.

[0009] Preferably, three groups of the clamping heads and the sliding shafts are provided, and the positions of the three groups of the clamping heads and the sliding shafts are equidistantly distributed about the midpoint of the groove plate.

[0010] Preferably, a sliding groove that matches the sliding shaft is opened on the surface of the rotating disk, and the clamping head forms a rotating structure with the groove disk through the sliding shaft and the rotating disk.

[0011] According to the claim of the tension adjustment mechanism of the coating machine, it is characterized in that the turntable forms a rotating structure through the handle and the chassis.

[0012] Preferably, two groups of the sliders and the racks are provided, and the positional relationship of the two groups of the sliders and the racks is symmetrical about the midpoint of the gear.

[0013] Preferably, the rack forms a sliding structure through a slider and a slide rail, and the gear forms a rotating structure with the rack through a fixed shaft and a knob.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. A handle is provided to drive the turntable to rotate in the chassis, and the sliding shaft is contracted inward or expanded outward when sliding in the turntable. At the same time, the sliding shaft drives the clamping head to slide on the groove plate, so that the clamping head can clamp and fix the guide roller when sliding inward, or release the guide roller when sliding outward, thereby making the replacement process of the guide roller more convenient and avoiding the problem of low maintenance efficiency caused by the cumbersome replacement process.

[0016] 2. The fixed shaft and the gear are driven to rotate by setting a knob, so that one set of racks slides on the gear, and slides up and down on the slide rail through the slider, and the other set of racks slides up and down in the opposite direction, so that the racks drive the clamping mechanism and the guide roller to slide up and down, so as to adjust the distance between the two sets of guide rollers, thereby adjusting the tightness of the film to avoid wrinkling when the film is too tight, or degumming during the gluing process when the film is too loose. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of a tension adjustment mechanism of a coating machine proposed by the utility model;

[0018] Figure 2 This is a schematic diagram of the clamping mechanism and guide roller positions of a tension adjustment mechanism of a coating machine proposed by the utility model;

[0019] Figure 3 This is a schematic diagram of the disassembled clamping mechanism of the tension adjustment mechanism of a coating machine proposed by the utility model;

[0020] Figure 4 The utility model is a cross-sectional schematic diagram of an adjustment mechanism of a coating machine's tension adjustment mechanism.

[0021] In the figure: 1. base; 2. guide roller; 3. film; 4. clamping head; 5. groove plate; 6. sliding shaft; 7. turntable; 8. handle; 9. chassis; 10. slide rail; 11. slider; 12. rack; 13. gear; 14. fixed shaft; 15. knob. DETAILED DESCRIPTION

[0022] 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.

[0023] Example 1

[0024] like Figure 1-4 As shown, a tension adjustment mechanism of a coating machine shown in the figure includes a base 1 and a clamping mechanism arranged on the top of the base 1, and the clamping mechanism includes a basic component and a working component;

[0025] The basic component includes a guide roller 2, the top of the base 1 is provided with the guide roller 2, and the outer wall of the guide roller 2 is slidably connected with a film 3;

[0026] The working assembly includes a clamping head 4, one end of the guide roller 2 is provided with the clamping head 4, the outer wall of the clamping head 4 is slidably connected to a groove plate 5, one end of the clamping head 4 is fixedly connected to a sliding shaft 6, the outer wall of the sliding shaft 6 is slidably connected to a turntable 7, the outer wall of the turntable 7 is fixedly connected to a handle 8, and the outer wall of the turntable 7 is rotatably connected to a chassis 9.

[0027] Among them, Figure 2-3 As shown, three groups of clamping heads 4 and sliding shafts 6 are provided, and the position relationship of the three groups of clamping heads 4 and sliding shafts 6 is equidistantly distributed about the midpoint of the groove plate 5, which is beneficial for the three groups of clamping heads 4 to clamp and fix the guide roller 2 to have a more stable structure and realize the control operation of the sliding of the clamping heads 4.

[0028] Among them, Figure 2-3 As shown, a sliding groove that matches the sliding shaft 6 is opened on the surface of the turntable 7, and the clamping head 4 forms a rotating structure with the groove plate 5 through the sliding shaft 6 and the turntable 7, which is beneficial for the turntable 7 to control the sliding state of the clamping head 4, so as to clamp or release the guide roller 2, thereby realizing the control operation of the sliding of the sliding shaft 6.

[0029] Among them, Figure 2-3 As shown, the turntable 7 forms a rotating structure through the handle 8 and the chassis 9, which is beneficial for the handle 8 to directly control the fixing state of the clamping head 4 to the guide roller 2, thereby realizing the control operation of the rotation of the turntable 7.

[0030] Example 2

[0031] like Figure 1 and Figure 4 As shown, a slide rail 10 is fixedly connected to the top of the base 1, a slider 11 is slidably connected to the inner wall of the slide rail 10, a rack 12 is fixedly connected to the outside of the slider 11, a gear 13 is meshingly connected to the outer wall of the rack 12, a fixed shaft 14 is passed through the inside of the gear 13, and a knob 15 is fixedly connected to one end of the fixed shaft 14.

[0032] Among them, Figure 4 As shown, two groups of sliders 11 and racks 12 are provided, and the positional relationship of the two groups of sliders 11 and racks 12 is symmetrical about the midpoint of the gear 13, which is beneficial for the two groups of sliders 11 and racks 12 to cooperate with each other to achieve synchronous movement and realize the control operation of the sliding of the slider 11.

[0033] Among them, Figure 4 As shown, the rack 12 forms a sliding structure with the slide rail 10 through the slider 11, and the gear 13 forms a rotating structure with the rack 12 through the fixed shaft 14 and the knob 15, which is beneficial for the knob 15 to directly control the sliding state of the rack 12, so as to control the tightness of the film 3 through the guide roller 2, thereby realizing the control operation of the rotation of the gear 13.

[0034] During use: first, the handle 8 drives the turntable 7 to rotate in the chassis 9, and the sliding shaft 6 is in a state of inward contraction or outward expansion when sliding in the turntable 7. At the same time, the sliding shaft 6 will drive the clamping head 4 to slide on the groove plate 5, so that the clamping head 4 can clamp and fix the guide roller 2 when sliding inward, or release the guide roller 2 when sliding outward, thereby making the replacement process of the guide roller 2 more convenient and avoiding the problem of low maintenance efficiency caused by the replacement process being too complicated.

[0035] Finally, the knob 15 drives the fixed shaft 14 and the gear 13 to rotate, so that one group of racks 12 slides on the gear 13, and slides up and down on the slide rail 10 through the slider 11, and the other group of racks 12 slides up and down in the opposite direction, so that the racks 12 drive the clamping mechanism and the guide roller 2 to slide up and down, so as to adjust the distance between the two groups of guide rollers 2, so as to adjust the tightness of the film 3, to avoid wrinkling when the film 3 is too tight, or degumming during the gluing process when the film 3 is too loose.

[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0037] 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. A tension adjustment mechanism for a coating machine, comprising a base (1) and a clamping mechanism arranged on the top of the base (1), characterized in that: The clamping mechanism comprises a basic component and a working component; The basic component comprises a guide roller (2), the top of the base (1) is provided with the guide roller (2), and the outer wall of the guide roller (2) is slidably connected with a film (3); The working assembly comprises a clamping head (4), one end of the guide roller (2) is provided with the clamping head (4), the outer wall of the clamping head (4) is slidably connected to a groove plate (5), one end of the clamping head (4) is fixedly connected to a sliding shaft (6), the outer wall of the sliding shaft (6) is slidably connected to a turntable (7), the outer wall of the turntable (7) is fixedly connected to a handle (8), and the outer wall of the turntable (7) is rotatably connected to a chassis (9).

2. The tension adjustment mechanism of a coating machine according to claim 1, characterized in that: The top of the base (1) is fixedly connected to a slide rail (10), the inner wall of the slide rail (10) is slidably connected to a slider (11), the outside of the slider (11) is fixedly connected to a rack (12), the outer wall of the rack (12) is meshingly connected to a gear (13), the interior of the gear (13) is penetrated by a fixed shaft (14), and one end of the fixed shaft (14) is fixedly connected to a knob (15).

3. The tension adjustment mechanism of a coating machine according to claim 1, characterized in that: The clamping heads (4) and the sliding shafts (6) are arranged in three groups, and the positional relationship of the three groups of the clamping heads (4) and the sliding shafts (6) is equidistantly distributed about the midpoint of the groove plate (5).

4. The tension adjustment mechanism of a coating machine according to claim 1, characterized in that: The surface of the rotating disk (7) is provided with a sliding groove which matches the sliding shaft (6), and the clamping head (4) forms a rotating structure with the grooved disk (5) through the sliding shaft (6) and the rotating disk (7).

5. The tension adjustment mechanism of a coating machine according to claim 1, characterized in that: The rotating disk (7) forms a rotating structure through a handle (8) and a chassis (9).

6. The tension adjustment mechanism of a coating machine according to claim 2, characterized in that: The slider (11) and the rack (12) are provided in two groups, and the positional relationship between the two groups of the slider (11) and the rack (12) is symmetrical about the midpoint of the gear (13).

7. The tension adjustment mechanism of a coating machine according to claim 2, characterized in that: The rack (12) forms a sliding structure with the slide rail (10) through the slider (11), and the gear (13) forms a rotating structure with the rack (12) through the fixed shaft (14) and the knob (15).

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