Protective device for plastic bottle surface paint spraying

Abstract

The utility model relates to the technical field of plastic bottle surface paint spraying, and discloses a protective device for plastic bottle surface paint spraying, which comprises a transparent protective cover and a Z-shaped support, the center of the top of the transparent protective cover is rotatably connected with a hollow pipe through a bearing, and the top end of the hollow pipe is communicated with a feeding hose through a rotary joint; the bottom end of the hollow pipe is located in the transparent protective cover, a rotating frame is fixedly installed at the bottom end of the hollow pipe, a paint spraying head is fixedly installed on the rotating frame, the rotating hollow pipe is used for driving the rotating frame to rotate during spraying, then the paint spraying head is driven to do circular motion, and the paint spraying head is aligned with a bottle body for spraying. And when the rotating frame rotates, the cleaning brush and the elastic scraping plate can be driven to rotate, spray paint adhering to the inner wall of the transparent protective cover is cleaned, the situation that a worker cannot see the spraying process clearly due to the fact that a large amount of spray paint adheres to the inner wall of the transparent protective cover is avoided, and manual cleaning is not needed.

Description

TECHNICAL FIELD

[0001] The utility model relates to plastic bottle surface paint technology field, concretely is a kind of plastic bottle surface paint protection device. BACKGROUND

[0002] With the continuous improvement of the appearance quality requirements of consumers to product, the quality of plastic bottle surface paint is increasingly important. Uniform, smooth, flawless paint effect not only can improve the visual effect of plastic bottle, but also can enhance its durability and protective performance. In the traditional plastic bottle paint process, there is no effective protection device, and a large amount of paint mist will be generated during the paint process. These paint mists will spread to the surrounding environment, not only polluting the air of the workplace, but also causing harm to the surrounding ecological environment. The existing paint protection device is mostly made of transparent organic glass material as protective cover, which can not only protect the effect, but also allow workers to observe the spraying effect at any time. However, the paint will adhere to the transparent protective cover during the spraying process, which will cause the problem that the employees cannot clearly observe the spraying process if not cleaned in time, and manual cleaning is also relatively inconvenient. SUMMARY

[0003] The utility model aims at providing a kind of plastic bottle surface paint protection device to solve the problems raised in the above background.

[0004] To achieve the above purpose, the utility model provides the following technical scheme: a kind of plastic bottle surface paint protection device, including transparent protective cover, Z type support, the top center of the transparent protective cover is rotatably connected with hollow tube through bearing, the top of the hollow tube is communicated with the inlet hose that is provided with through rotary joint, the bottom end of the hollow tube is located in transparent protective cover, the hollow tube bottom end is fixedly installed with rotating frame, the spraying head is fixedly installed on the rotating frame, the spraying head opening is towards the center of transparent protective cover, the top of the spraying head is communicated with the distribution pipe, the top of the distribution pipe is communicated with the inside of the hollow tube, the outer wall of the rotating frame is fixedly installed with cleaning brush and elastic scraper by screw, the cleaning brush and elastic scraper are in contact with the inner wall of transparent protective cover;

[0005] The top of the transparent protective cover is fixedly installed with lifting component, the top of the transparent protective cover is fixedly installed with servo motor, the output end of the servo motor is fixedly installed with worm, the worm is engaged with worm wheel, and the worm wheel is fixedly installed on the hollow tube.

[0006] Further, the spraying head, cleaning brush and elastic scraper on the rotating frame are provided with two groups, and are symmetrically distributed about the center of the transparent protective cover.

[0007] Further, the lifting component comprises a cylinder fixedly installed on the Z-shaped support, an upper plate fixedly installed at an elongated end of the cylinder, a connecting column fixedly installed at the bottom of the upper plate, and a bottom ring fixedly installed at the bottom end of the connecting column.

[0008] Further, a water spraying head is fixedly installed at the inner wall of the top of the transparent protective cover, the top end of the water spraying head extends into the transparent protective cover, and the top end of the water spraying head is in communication with a water inlet hose.

[0009] Further, the bottom end of the water spraying head is inclined to the inner wall of the transparent protective cover, and the water spraying head is located above the rotating frame.

[0010] Further, a plurality of cylinders are arranged on the Z-shaped support, and the plurality of cylinders are distributed at equal intervals on the Z-shaped support.

[0011] Further, a maintenance door is installed on the outer wall of the transparent protective cover, and a sealing gasket is fixedly installed at the bottom of the transparent protective cover.

[0012] Further, an air exhaust pipe is in communication with the top of the transparent protective cover, a filtering device is fixedly installed at the top of the Z-shaped support, the air inlet end of the filtering device is in communication with the top end of the bottom end of the air exhaust pipe, an air exhaust pump is fixedly installed at the top of the filtering device, and the air inlet end of the air exhaust pump is in communication with the air outlet end of the filtering device.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The hollow pipe is rotated to drive the rotating frame to rotate, and then drive the paint spraying head to make a circular motion, so that the paint spraying head sprays the bottle body, and the cleaning brush and the elastic scraper are also driven to rotate when the rotating frame rotates, so that the paint adhered to the inner wall of the transparent protective cover is cleaned, so that the worker cannot see the spraying process due to the large amount of paint adhered to the inner wall of the transparent protective cover, and manual cleaning is not required.

[0015] 2. The water spraying head sprays cleaning liquid into the transparent protective cover, and then cooperates with the cleaning brush and the elastic scraper to clean the inner wall of the transparent protective cover.

[0016] 3. The air polluted by paint during the spraying process is filtered and discharged by the air exhaust pump, the filtering device, and the air exhaust pipe, so as to avoid environmental pollution. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural schematic view of the utility model;

[0018] Figure 2 is a structural schematic view of the transparent protective cover and the lifting component of the utility model.

[0019] Figure 3 For the utility model Figure 2 The structure diagram of bottom view;

[0020] Figure 4 For the utility model servo motor, worm and worm structure diagram;

[0021] Figure 5 For the utility model rotating frame, paint spraying head, cleaning brush and elastic scraper structure diagram;

[0022] Figure 6 For the utility model water spraying head and water inlet hose structure diagram.

[0023] In the figure: 1, transparent protective cover; 101, access door; 2, hollow pipe; 3, lifting component; 301, air cylinder; 302, top plate; 303, bottom ring; 304, connecting column; 4, rotary joint; 5, feeding hose; 6, rotating frame; 7, distribution pipe; 8, paint spraying head; 9, cleaning brush; 10, elastic scraper; 11, servo motor; 12, worm; 13, worm gear; 14, water spraying head; 15, water inlet hose; 16, air extraction pipe; 17, filtration equipment; 18, air extraction pump; 19, Z-shaped support; 20, sealing gasket. DETAILED DESCRIPTION

[0024] 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, not all the embodiments.

[0025] Please refer to Figures 1-5The utility model provides a technical scheme: a kind of protective device for plastic bottle surface paint spraying, including transparent protective cover 1, Z-shaped support 19, the top center of transparent protective cover 1 is rotatably connected with hollow tube 2 by bearing, hollow tube 2 is provided with feed hose 5 by rotary joint 4 communication at top end, the bottom end of hollow tube 2 is located in transparent protective cover 1, hollow tube 2 bottom end is fixedly installed with rotating stand 6, rotating stand 6 is fixedly installed with paint spraying head 8, paint spraying head 8 opening is towards the center of transparent protective cover 1, paint spraying head 8 is provided with distribution pipe 7 with top communication, the top end of distribution pipe 7 is communicated with the inside of hollow tube 2, the outer wall of rotating stand 6 is fixedly installed with cleaning brush 9, elastic scraper 10 by screw, cleaning brush 9, elastic scraper 10 all contact with the inner wall of transparent protective cover 1, when spraying, utilize rotating hollow tube 2 to drive rotating stand 6 to rotate, further drive paint spraying head 8 to make circular motion, so that paint spraying head 8 is aligned bottle body and is sprayed, when rotating stand 6 rotates, also can drive cleaning brush 9, elastic scraper 10 to rotate, paint adhered on the inner wall of transparent protective cover 1 is cleaned, avoid that transparent protective cover 1 inner wall adheres to a large amount of paint and lead to that worker cannot see the spraying process, and also need not manual cleaning;

[0026] The top of transparent protective cover 1 is fixedly installed with lifting component 3, the top of transparent protective cover 1 is fixedly installed with servo motor 11, the output of servo motor 11 is fixedly installed with worm 12, worm 12 is engaged with worm gear 13, worm gear 13 is fixedly installed on hollow tube 2, drive worm 12 to rotate by servo motor 11, further drive worm gear 13 to rotate, worm gear 13 drives hollow tube 2 to rotate;

[0027] Paint spraying head 8, cleaning brush 9, elastic scraper 10 on rotating stand 6 are provided with two groups, and symmetrically distributed about the center of transparent protective cover 1, can spray two positions simultaneously on one hand, on the other hand, can play certain blocking effect to the paint sprayed, can reduce the range of paint falling on the inner wall of transparent protective cover 1;

[0028] Lifting component 3 includes cylinder 301, cylinder 301 is fixedly installed on Z-shaped support 19, the elongation end of cylinder 301 is fixedly installed with top plate 302, the bottom of top plate 302 is fixedly installed with connecting column 304, the bottom end of connecting column 304 is fixedly installed with bottom ring 303, bottom ring 303 is fixedly sleeved on the top of transparent protective cover 1, drive top plate 302 to lift by cylinder 301, further drive connecting column 304 to lift, connecting column 304 drives bottom ring 303 to lift, further drive transparent protective cover 1 to lift, further make transparent protective cover 1 cover plastic bottle or separate from plastic bottle, and connecting column 304 separates top plate 302 from bottom ring 303, can let transparent protective cover 1 top have enough space to install rotary joint 4, feed hose 5 and so on structure;

[0029] The inner wall of the top of the transparent protective cover 1 is fixedly provided with a water spraying head 14, the top end of the water spraying head 14 extends out of the transparent protective cover 1, and the top end of the water spraying head 14 is communicated with a water inlet hose 15, the water spraying head 14 sprays cleaning liquid into the transparent protective cover 1, and then cooperates with the cleaning brush 9 and the elastic scraper 10 to clean the inner wall of the transparent protective cover 1.

[0030] The bottom end of the water spraying head 14 is inclined to the inner wall of the transparent protective cover 1, and the water spraying head 14 is located above the rotating frame 6, so that the cleaning liquid sprayed by the water spraying head 14 is directly sprayed to the inner wall of the transparent protective cover 1, so that the cleaning liquid can be better utilized, and because the water spraying head 14 is located above the rotating frame 6, a part of the cleaning liquid sprayed by the water spraying head 14 can fall on the rotating frame 6 to flush the rotating frame 6;

[0031] The air cylinder 301 on the Z-shaped support 19 is provided with a plurality of air cylinders 301, and the plurality of air cylinders 301 are distributed at equal intervals on the Z-shaped support 19, for setting multiple spraying stations, improving the production efficiency of the production line;

[0032] The outer wall of the transparent protective cover 1 is provided with an inspection door 101 for inspecting and replacing the paint spraying head 8, the cleaning brush 9 and the elastic scraper 10 on the rotating frame 6, and the bottom of the transparent protective cover 1 is fixedly provided with a sealing gasket 20, which ensures the sealing between the bottom of the transparent protective cover 1 and the bottom plate on which the plastic bottles are placed during the spraying process, to avoid paint splashing outside the transparent protective cover 1;

[0033] The top of the transparent protective cover 1 is communicated with an air exhaust pipe 16, and the top of the Z-shaped support 19 is fixedly provided with a filtering device 17, the air inlet end of the filtering device 17 is communicated with the top end of the air exhaust pipe 16, the top of the filtering device 17 is fixedly provided with an air exhaust pump 18, the air inlet end of the air exhaust pump 18 is communicated with the air outlet end of the filtering device 17, and the air exhaust pump 18, the filtering device 17 and the air exhaust pipe 16 form a pollution gas treatment structure, which filters the air polluted by paint during the spraying process and then discharges it, to avoid environmental pollution.

[0034] Working principle: in use, the air cylinder 301 is started to drive the top plate 302 to move downward, so that the connecting column 304 drives the bottom ring 303 to move downward, and then drives the transparent protective cover 1 to move downward to cover the plastic bottle, then the servo motor 11 is started to drive the worm 12 to rotate, and then drives the worm gear 13 to rotate, the rotation of the worm gear 13 drives the hollow pipe 2 to rotate, and then drives the rotating frame 6 to rotate, so that the paint spraying head 8 on the rotating frame 6 is aligned with the paint spraying position, then the paint spraying head 8 is started to spray paint, after the paint spraying is finished, the air cylinder 301 is started to move upward, at the same time, the air pump 18 is started, the contaminated air in the transparent protective cover 1 is sucked into the filter equipment 17 from the air suction pipe 16, the filter equipment 17 filters the air in the transparent protective cover 1, and then is discharged, at this time, the servo motor 11 can also be started to rotate the hollow pipe 2, and then rotate the rotating frame 6, the rotation of the rotating frame 6 drives the cleaning brush 9 and the elastic scraper 10 to rotate to clean the paint adhered to the inner wall of the transparent protective cover 1, the cleaning liquid can also be introduced into the water spraying head 14 from the water inlet hose 15, the water spraying head 14 sprays the cleaning liquid to the inner wall of the transparent protective cover 1, so that the cleaning effect of the cleaning brush 9 and the elastic scraper 10 on the inner wall of the transparent protective cover 1 is better.

[0035] Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

Claims

1. A protective device for spray painting on the surface of plastic bottles, comprising a transparent protective cover (1) and a Z-shaped bracket (19), characterized in that: A hollow tube (2) is rotatably connected to the top center of the transparent protective cover (1) via a bearing. The top end of the hollow tube (2) is connected to a feed hose (5) via a rotary joint (4). The bottom end of the hollow tube (2) is located inside the transparent protective cover (1). A rotating frame (6) is fixedly installed at the bottom end of the hollow tube (2). A paint spray head (8) is fixedly installed on the rotating frame (6). The opening of the paint spray head (8) faces the center of the transparent protective cover (1). A distributing pipe (7) is connected to the top of the paint spray head (8). The top end of the distributing pipe (7) is connected to the inside of the hollow tube (2). A cleaning brush (9) and an elastic scraper (10) are fixedly installed on the outer wall of the rotating frame (6) via screws. Both the cleaning brush (9) and the elastic scraper (10) are in contact with the inner wall of the transparent protective cover (1). A lifting component (3) is fixedly installed on the top of the transparent protective cover (1). A servo motor (11) is fixedly installed on the top of the transparent protective cover (1). A worm gear (12) is fixedly installed at the output end of the servo motor (11). The worm gear (12) meshes with a worm wheel (13). The worm wheel (13) is fixedly installed on the hollow tube (2).

2. The protective device for spray painting on the surface of a plastic bottle according to claim 1, characterized in that: The rotating frame (6) is equipped with two sets of paint spray heads (8), cleaning brushes (9) and elastic scrapers (10), which are symmetrically distributed about the center of the transparent protective cover (1).

3. The protective device for spray painting on the surface of a plastic bottle according to claim 1, characterized in that: The lifting component (3) includes a cylinder (301), which is fixedly mounted on a Z-shaped bracket (19). A top plate (302) is fixedly mounted on the extended end of the cylinder (301). A connecting column (304) is fixedly mounted on the bottom of the top plate (302). A bottom ring (303) is fixedly mounted on the bottom end of the connecting column (304). The bottom ring (303) is fixedly sleeved on the top of the transparent protective cover (1).

4. The protective device for spray painting on the surface of a plastic bottle according to claim 1, characterized in that: A water spray head (14) is fixedly installed on the top inner wall of the transparent protective cover (1). The top of the water spray head (14) extends out from inside the transparent protective cover (1), and a water inlet hose (15) is connected to the top of the water spray head (14).

5. A protective device for spray painting on the surface of a plastic bottle according to claim 4, characterized in that: The bottom opening of the spray head (14) is inclined toward the inner wall of the transparent protective cover (1), and the spray head (14) is located above the rotating frame (6).

6. The protective device for spray painting on the surface of a plastic bottle according to claim 1, characterized in that: The Z-shaped bracket (19) has multiple cylinders (301) and the multiple cylinders (301) are distributed at equal intervals on the Z-shaped bracket (19).

7. The protective device for spray painting on the surface of a plastic bottle according to claim 1, characterized in that: The outer wall of the transparent protective cover (1) is equipped with an inspection door (101), and a sealing gasket (20) is fixedly installed at the bottom of the transparent protective cover (1).

8. A protective device for spray painting on the surface of a plastic bottle according to claim 1, characterized in that: The top of the transparent protective cover (1) is connected to an air extraction pipe (16), and the top of the Z-shaped bracket (19) is fixedly installed with a filter device (17). The air inlet of the filter device (17) is connected to the bottom and top of the air extraction pipe (16). The top of the filter device (17) is fixedly installed with an air pump (18), and the air inlet of the air pump (18) is connected to the air outlet of the filter device (17).

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