Composite polyethylene film barrier layer coating device

Abstract

The utility model discloses a composite polyethylene film barrier layer coating device which comprises a box body, the bottom of the box body is fixedly connected with a plurality of uniformly distributed supporting rods, the left end of the box body is fixedly connected with a fixed box, the bottom of the fixed box is fixedly connected with a connecting box, and the top of the inner wall of the box body is fixedly connected with a spray head. A composite polyethylene film barrier layer coating device comprises a box body, the bottom of the box body is fixedly connected with a plurality of evenly-distributed supporting rods, the left end of the box body is fixedly connected with a fixing box, the bottom of the fixing box is fixedly connected with a connecting box, and the top of the inner wall of the box body is fixedly connected with a spray head. Two guide rollers which are symmetrically distributed are rotatably connected to the interior of the box body, a support is slidably connected to the interior of the box body, a pressing roller is rotatably connected to the inner side of the support, a tensioning mechanism is arranged on the support, and a dust removal mechanism is arranged on the fixed box.

Description

TECHNICAL FIELD

[0001] The utility model relates to coating device technical field, concretely is a kind of composite polyethylene film barrier layer coating device. BACKGROUND

[0002] Composite polyethylene film is a kind of film material formed by polyethylene (PE) as base material after composite treatment. Composite polyethylene film usually composites polyethylene film with other materials (such as polypropylene, polyester, etc.), to enhance the performance and function of film.

[0003] Composite polyethylene film barrier layer coating device is used for coating barrier layer on the surface of composite polyethylene film. Barrier layer is usually a special coating, to improve the barrier property of composite polyethylene film, prevent the penetration of oxygen, water vapor, flavor, etc., so as to protect the quality and freshness of packaged goods.

[0004] The current coating device is inconvenient to adjust the tension of film conveying when in use, and the bending and wrinkling of film will affect the coating effect of barrier layer, and it is inconvenient to remove dust from film before coating, which will affect the coating effect. Therefore, improvement is needed. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of composite polyethylene film barrier layer coating device, solve the problem of inconvenient tension adjustment when film conveying, also solve the problem of inconvenient dust removal from film before coating.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of composite polyethylene film barrier layer coating device, including box, the bottom of the box is fixedly connected with multiple support rods that are evenly distributed, the left end of the box is fixedly connected with fixed box, the bottom of the fixed box is fixedly connected with connecting box, the inner wall top of the box is fixedly connected with spray head, the inside of the box is rotatably connected with two guide rollers that are symmetrically distributed, the inside of the box is slidably connected with bracket, the inboard of the bracket is rotatably connected with compression roller, the bracket is provided with tensioning mechanism, the fixed box is provided with dust removal mechanism.

[0007] Preferably, the tensioning mechanism includes screw rod, the inside of the box is rotatably connected with screw rod through bearing, the top of the screw rod is fixedly connected with handle, the outside of the screw rod is connected with bracket through thread, the outside of the bracket is fixedly connected with two connection blocks that are symmetrically distributed, the bottom of the connection block is fixedly connected with guide rod, the bottom of the guide rod is fixedly connected with limit ring. By designing tensioning mechanism, film conveying tension can be adjusted.

[0008] Preferably, a sealing ring is slidably fitted onto the outer side of the guide rod, and the sealing ring is fixedly connected to the housing. By designing the sealing ring, the connection between the guide rod and the housing can be sealed.

[0009] Preferably, the dust removal mechanism includes a rotating roller, which is rotatably connected to the inside of the fixed box via bearings. Brush bristles are provided on the outer side of the rotating roller. An air pump is fixedly connected to the inside of the connecting box, and a suction port is provided on the top of the air pump. A fixed pipe is fixedly connected to the top of the connecting box, and a guide hood is fixedly connected to the top of the fixed pipe. A filter plate is slidably fitted inside the connecting box. This dust removal mechanism facilitates dust removal from the membrane.

[0010] Preferably, the air pump has an exhaust port on its left end, and the exhaust port is fixedly connected to the connecting box. By designing the exhaust port, the gas inside the connecting box can be discharged.

[0011] Preferably, a support sleeve is slidably fitted onto the outer side of the filter plate, and the support sleeve is fixedly connected to the connecting box. The support sleeve provides support for the filter plate.

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

[0013] 1. This utility model guides the movement of the film by designing a guide roller. Under the action of the nozzle, the film can be coated with a barrier layer. During the film conveying process, the screw is threadedly connected to the bracket. When the handle is turned to drive the screw to rotate, the bracket can move in a threaded manner. The vertical movement can drive the pressure roller to move. The pressure roller can press down on the film and adjust the film tension to avoid wrinkles and curling during film conveying, which would affect the spraying effect.

[0014] 2. This utility model, through the design of rotating rollers and brush bristles, allows the relative sliding between the film and brush bristles during film transport to clean the film and remove dust, preventing dust particles from adhering and affecting the coating effect. During the dust removal process, the air pump can draw gas from inside the fixed box through the guide hood, which can suck dust and impurities into the connecting box for collection, preventing the spillage of dust and impurities and environmental pollution. Attached Figure Description

[0015] Figure 1 This is a perspective view of the overall structure of this utility model;

[0016] Figure 2 This utility model Figure 1 A partial three-dimensional sectional view of the structure;

[0017] Figure 3 This utility model Figure 2 Enlarged view of point A;

[0018] Figure 4 The utility model discloses Figure 2 The front view of the connecting box is shown.

[0019] In the figure: 1, box body; 2, support rod; 3, fixed box; 4, connecting box; 5, spray head; 6, guide roller; 7, support; 8, tensioning mechanism; 9, dust removal mechanism; 10, compression roller; 81, screw rod; 82, handle; 83, connecting block; 84, guide rod; 85, sealing ring; 86, limiting ring; 91, rotating roller; 92, brush; 93, air pump; 94, suction port; 95, exhaust port; 96, fixed pipe; 97, flow guide cover; 98, filter plate; 99, support sleeve. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Please refer to Figure 1 , Figure 2 , a composite polyethylene film barrier layer coating device, including box body 1, the bottom of box body 1 is fixedly connected with multiple support rods 2 that are evenly distributed, the left end of box body 1 is fixedly connected with fixed box 3, the bottom of fixed box 3 is fixedly connected with connecting box 4, the inner wall top of box body 1 is fixedly connected with spray head 5, the inside of box body 1 is rotatably connected with two guide rollers 6 that are symmetrically distributed, the inside of box body 1 is slidably connected with support 7, the inner side of support 7 is rotatably connected with compression roller 10, and tensioning mechanism 8 is arranged on support 7, and dust removal mechanism 9 is arranged on fixed box 3.

[0022] Please refer to Figure 1 , Figure 2 , Figure 3 , the tensioning mechanism 8 includes screw rod 81, the inside of box body 1 is rotatably connected with screw rod 81 through bearing, the top of screw rod 81 is fixedly connected with handle 82, the outer side of screw rod 81 is threadedly connected with support 7, the outer side of support 7 is fixedly connected with two connecting blocks 83 that are symmetrically distributed, the bottom of connecting block 83 is fixedly connected with guide rod 84, the outer side of guide rod 84 is slidably sleeved with sealing ring 85, sealing ring 85 is fixedly connected with box body 1, the guide rod 84 and box body 1 connection place can be sealed by designing sealing ring 85, the bottom of guide rod 84 is fixedly connected with limiting ring 86, and the film conveying tension force can be adjusted by designing tensioning mechanism 8.

[0023] Please refer to Figure 1 ,Figure 2 、 Figure 4 , the dust removal mechanism 9 includes a rotating roller 91, the inside of the fixed box 3 is rotatably connected with the rotating roller 91 through a bearing, the outer side of the rotating roller 91 is provided with a brush 92, the inside of the connecting box 4 is fixedly connected with a gas pump 93, the top of the gas pump 93 is provided with a suction port 94, the left end of the gas pump 93 is provided with an exhaust port 95, the exhaust port 95 is fixedly connected with the connecting box 4, the gas in the connecting box 4 can be discharged through the design of the exhaust port 95, the top of the connecting box 4 is fixedly connected with a fixed pipe 96, the fixed pipe 96 is fixedly connected with the fixed box 3, the top of the fixed pipe 96 is fixedly connected with a flow guide cover 97, the inside of the connecting box 4 is slidably sleeved with a filter plate 98, the outer side of the filter plate 98 is slidably sleeved with a support sleeve 99, the support sleeve 99 is fixedly connected with the connecting box 4, the filter plate 98 can be supported through the design of the support sleeve 99, and the film is conveniently dusted through the design of the dust removal mechanism 9.

[0024] The specific implementation process of the utility model is as follows: when using, the film is conveyed through the upper part of the two guide rollers 6 and the lower part of the compression roller 10, and the barrier layer of the film can be coated by spraying of the spray head 5 during film conveying.

[0025] When the tension of the film needs to be adjusted, the handle 82 is rotated, the handle 82 drives the screw rod 81 to rotate, the support 7 is subjected to threaded movement, the support 7 drives the guide rod 84 to move in the vertical direction along the box body 1, the height of the compression roller 10 can be adjusted, the film tension can be adjusted by the downward pressing of the compression roller 10 on the film, and the film conveying process is avoided from being affected by wrinkles and curls to affect the spraying effect.

[0026] During the film conveying process, when the film moves through the rotating roller 91 and the brush 92, the film can be cleaned by the relative sliding of the film and the brush 92, the film can be dusted, dust particles are avoided from adhering to affect the coating effect, in the dusting process, under the action of the gas pump 93, the gas pump 93 sucks the inside of the connecting box 4 through the suction port 94, a negative pressure state is formed in the inside of the connecting box 4, then the inside of the fixed box 3 is sucked through the fixed pipe 96 and the flow guide cover 97, the dust and impurities cleaned out are sucked into the inside of the connecting box 4 through the flow guide cover 97, the dust and impurities can be filtered under the action of the filter plate 98, the dust and impurities are retained on the surface of the filter plate 98, and the gas is discharged through the exhaust port 95 of the gas pump 93, the collection of the dust and impurities can avoid the overflow and pollution of the environment.

[0027] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A composite polyethylene film barrier coating apparatus comprising a housing (1) characterised in that: The bottom of the box (1) is fixedly connected with a plurality of support rods (2) which are uniformly distributed, the left end of the box (1) is fixedly connected with a fixed box (3), the bottom of the fixed box (3) is fixedly connected with a connecting box (4), the inner wall top of the box (1) is fixedly connected with a spray head (5), the inside of the box (1) is rotatably connected with two symmetrically distributed guide rollers (6), the inside of the box (1) is slidably connected with a support (7), the inner side of the support (7) is rotatably connected with a compression roller (10), the support (7) is provided with a tensioning mechanism (8), and the fixed box (3) is provided with a dust removal mechanism (9).

2. A composite polyethylene film barrier coating apparatus as defined in claim 1, wherein: The tensioning mechanism (8) comprises a screw rod (81), the inside of the box (1) is rotatably connected with the screw rod (81) through a bearing, the top of the screw rod (81) is fixedly connected with a handle (82), the outer side of the screw rod (81) is threadedly connected with the support (7), the outer side of the support (7) is fixedly connected with two symmetrically distributed connecting blocks (83), the bottom of the connecting block (83) is fixedly connected with a guide rod (84), and the bottom of the guide rod (84) is fixedly connected with a limiting ring (86).

3. A composite polyethylene film barrier coating apparatus as defined in claim 2, wherein: The outer side of the guide rod (84) is slidably sleeved with a sealing ring (85), and the sealing ring (85) is fixedly connected with the box (1).

4. The composite polyethylene film barrier coating apparatus of claim 1, wherein: The dust removal mechanism (9) comprises a rotating roller (91), the inside of the fixed box (3) is rotatably connected with the rotating roller (91) through a bearing, the outer side of the rotating roller (91) is provided with bristles (92), the inside of the connecting box (4) is fixedly connected with an air pump (93), the top of the air pump (93) is provided with a suction port (94), the top of the connecting box (4) is fixedly connected with a fixed pipe (96), the fixed pipe (96) is fixedly connected with the fixed box (3), the top of the fixed pipe (96) is fixedly connected with a flow guide cover (97), and the inside of the connecting box (4) is slidably sleeved with a filter plate (98).

5. A composite polyethylene film barrier coating apparatus as defined in claim 4, wherein: The left end of the air pump (93) is provided with an exhaust port (95), and the exhaust port (95) is fixedly connected with the connecting box (4).

6. A composite polyethylene film barrier coating apparatus as defined in claim 4, wherein: The outer side of the filter plate (98) is slidably sleeved with a support sleeve (99), and the support sleeve (99) is fixedly connected with the connecting box (4). The outer side of the filter plate (98) is slidably sleeved with a support sleeve (99), and the support sleeve (99) is fixedly connected with the connecting box (4).

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