CN211726264U

CN211726264U - Paint spraying and dust collecting protection device

Info

Publication number: CN211726264U
Application number: CN201922149564.2U
Authority: CN
Inventors: 周丽梅; 李文华
Original assignee: Sichuan Fanhua Aviation Instrument and Electrical Co Ltd
Current assignee: Sichuan Fanhua Aviation Instrument and Electrical Co Ltd
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-10-23
Anticipated expiration: 2029-12-04

Abstract

The utility model discloses a paint spraying and dust collecting protective device, which comprises a shell with an inner cavity of a paint spraying chamber, a paint spraying transmission line, a paint spraying component, a trigger component and a dust collecting component; the paint spraying assembly comprises a gun seat arranged at the top of the paint spraying chamber, a paint spraying gun arranged on the gun seat and a paint storage box for conveying paint liquid to the paint spraying gun; the trigger assembly comprises an infrared transmitting device arranged on the gun seat and an infrared receiving device corresponding to the infrared transmitting device; the dust collection assembly comprises an air collection cylinder arranged at the top of the spray chamber, an exhaust fan and a filter box communicated with the inner cavity of the air collection cylinder through an exhaust pipe; the controller is respectively connected with the infrared transmitting device, the infrared receiving device, the paint spraying electromagnetic valve for controlling the working state of the paint spraying gun and the air draft electromagnetic valve for controlling the working state of the air draft fan. The utility model discloses an automatic control who sprays paint and dust absorption to it is unrestrained disperse and lead to air pollution's problem in the air that the gas that mix with paint liquid when spraying paint is solved to the effect.

Description

Paint spraying and dust collecting protection device

Technical Field

The utility model belongs to the technical field of the dust absorption protector that sprays paint, concretely relates to dust absorption protector that sprays paint.

Background

With the rapid development of industrialization, the plate processing industry is gradually developed and strengthened, and a plate paint spraying device is often used in the field of plate processing. The board is not polished when purchasing, and the surface is mostly comparatively crude, because the unevenness on board surface, when spraying paint to board, the effect of spraying paint of board is unsatisfactory also not pleasing to the eye, need spray paint repeatedly sometimes in order to guarantee to spray paint evenly, has caused the waste of resource and work efficiency's low.

Common panel paint spraying apparatus on the market is that the function is comparatively single mostly, has partly remaining spraying paint in the air during panel japanning, is inhaled by the people and can harm healthy, also can cause environmental pollution.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a have partly remaining spraying paint in the air and harm healthy, the problem of polluted environment when solving among the prior art panel japanning, a dust absorption protector sprays paint has been provided, when detecting there is the work piece to reach the station of spraying paint through set up infrared device at the spray gun periphery, restart sprays paint and start the exhaust fan and continue convulsions, realize spraying paint and the automatic control of dust absorption, thereby it is unrestrained and lead to air pollution's problem to disperse in the air without limit to imitate the gas that is mingled with paint liquid when spraying paint.

The utility model discloses mainly realize through following technical scheme:

a paint spraying and dust collecting protective device comprises a shell with an inner cavity of a paint spraying chamber; the shell is provided with a feed inlet and a discharge outlet; the paint spraying and dust collecting protection device also comprises a controller, and a paint spraying transmission line, a paint spraying assembly, a triggering assembly and a dust collecting assembly which are respectively connected with the controller;

two ends of the paint spraying transmission line respectively correspond to the feed inlet and the discharge outlet, and a piece to be painted enters the paint spraying chamber from the feed inlet and is transmitted to the discharge outlet from front to back to be output;

the paint spraying assembly comprises a gun seat arranged at the top of the paint spraying chamber, a paint spraying gun arranged on the gun seat and with the downward spraying direction, and a paint storage box arranged outside the shell and used for conveying paint liquid to the paint spraying gun through a paint conveying pipe;

the trigger assembly comprises an infrared transmitting device and an infrared receiving device, the infrared transmitting device is installed on the gun seat, the transmitting direction of the infrared transmitting device is downward, the infrared receiving device is arranged corresponding to the infrared transmitting device, and a piece to be painted can penetrate through the space between the infrared transmitting device and the infrared receiving device when passing through the lower part of the paint spraying gun;

the dust collection assembly comprises an air collection barrel arranged at the top of the spray chamber, an exhaust fan arranged in the air collection barrel, and a filter box arranged outside the shell and communicated with the inner cavity of the air collection barrel through an exhaust pipe, wherein the filter box is provided with an air outlet for discharging filtered air; the air collecting cylinders and the exhaust fans are arranged in two groups, the transmission direction of a piece to be painted is taken as reference, and the two groups of air collecting cylinders and the exhaust fans are respectively arranged in front of and behind the gun seat;

the controller is respectively connected with the infrared transmitting device, the infrared receiving device, the paint spraying electromagnetic valve for controlling the working state of the paint spraying gun and the air draft electromagnetic valve for controlling the working state of the air draft fan.

The utility model discloses, when detecting that there is the work piece to reach the station of spraying paint through set up infrared device at the spray gun periphery, restart sprays paint and start the extraction fan and continue convulsions, realize spraying paint and the automatic control of dust absorption to the effect is solved and is mixed with the gas of lacquer liquid when spraying paint and unrestricted disperse and lead to air pollution's problem in the air.

Furthermore, in order to better realize the utility model, three windows communicating the inner cavity of the filter box with the outside are arranged at the top of the filter box, and three filter layer mounting grooves are arranged at the bottom of the inner cavity of the filter box; the positions of the windows and the filter layer mounting grooves correspond one to form three groups of filter layer limiting structures; a water filtering layer, an adsorption layer and a dust filtering layer are sequentially arranged in the inner cavity of the filter box, the water filtering layer is closest to the air draft pipe connector, and the water filtering layer, the adsorption layer and the dust filtering layer are respectively arranged in the limiting structures of the three groups of filtering layers; meanwhile, the lower part of the windowing is a filtering layer mounting part which is close to the inner cavity and has smaller width, and the upper part of the windowing is a sealing plug mounting part which is close to the outside and has larger width; an elastic sealing plug is arranged in each sealing plug mounting part in a matched mode, and a clamping groove matched with the elastic sealing plug for use is further formed in the inner wall of each sealing plug mounting part.

Furthermore, in order to better realize the utility model, the elastic sealing plug comprises a cover body, a fixed block fixed at the middle position of the cover body and elastic buckles respectively positioned at two sides of the fixed block, wherein the cover body is provided with two sliding grooves corresponding to the positions of the elastic buckles along the extending direction of the fixed block to the edge; the elastic buckle comprises a spring with a fixed end installed on the fixed block, the telescopic end of the spring is connected with a sliding block capable of sliding in a straight line in the sliding groove, a clamping rod capable of being clamped into the clamping groove and a moving rod extending out of the cover body are arranged on the sliding block, and the moving rod, the sliding block and the clamping rod move together.

Furthermore, in order to better realize the utility model, a baffle is arranged on the upper surface of the cover body in a snap-fit manner; a space for accommodating the fixing block and the elastic buckle is formed between the baffle and the cover body, and two strip-shaped holes for the moving rod to penetrate out and move transversely are formed in the dust guard.

Further, for better realization the utility model discloses, still set up rubber seal between the sealing plug installation department of elasticity sealing plug and windowing.

Further, for better realization the utility model discloses, lateral wall, the lower surface of elasticity sealing plug all set up rubber packing pad.

Further, for better realization the utility model discloses, the transmission line that sprays paint is including installing two mounts in the paint spray booth, respectively through pivot separately install two runners on the mount, connect the conveyer belt of two runners and pass through the motor that the shaft connector is connected with a runner in two runners, and a runner initiative of motor drive is rotated and is ordered about another runner through the conveyer belt and is driven.

Further, for better realization the utility model discloses, the motor is installed at the mount lateral wall, perhaps the inner wall at the paint spray booth is installed to the motor.

Furthermore, in order to better realize the utility model, the trigger assembly further comprises a fixed seat for installing an infrared receiving device, the fixed seat is installed on the inner wall of the spray booth, and when no piece to be sprayed exists in the spray booth, the light path between the infrared transmitting device and the infrared receiving device is not blocked; when entering into the paint spraying chamber and waiting to spray paint, the paint spraying chamber blocks the light path between the infrared transmitting device and the infrared receiving device when moving to the lower part of the paint spraying gun.

Furthermore, in order to better realize the utility model, the number of the conveying belts is two, when no piece to be painted exists in the paint spraying chamber, the two conveying belts with parallel light paths between the infrared transmitting device and the infrared receiving device pass through; when entering into the paint spraying chamber and waiting to spray paint, the paint spraying chamber blocks the light path between the infrared transmitting device and the infrared receiving device when moving to the lower part of the paint spraying gun.

Further, for better realization the utility model discloses, feed inlet, discharge gate all set up rubber and hang the curtain.

The utility model has the advantages that:

the utility model provides a dust absorption protector sprays paint remains the piece that sprays paint through whether receiving infrared signal feedback and gets into the position of waiting to spray paint to automatic control sprays paint the spray gun work of subassembly and controls dust absorption subassembly's extraction fan work, realizes spraying paint and the automatic control of dust absorption, thereby imitates the gas that is mingled with paint liquid when solving and sprays paint and unrestrained disperse and lead to air pollution's problem in the air.

Drawings

Fig. 1 is a schematic structural view of a paint spraying and dust collecting protection device provided by the utility model.

Fig. 2 is a schematic structural view of the inside of the filter box of fig. 1.

Fig. 3 is a partial structure enlarged view of a portion a in fig. 2.

Wherein, 1, a shell; 2. a fixed mount; 3. a rotating wheel; 4. a conveyor belt; 5. a motor; 6. a gun seat; 7. a paint spray gun; 8. an infrared emitting device; 9. a fixed seat; 10. an infrared ray receiving device; 11. an air collecting cylinder; 12. an exhaust fan; 13. a filter box; 14. filtering a water layer; 15. an adsorption layer; 16. a dust filter layer; 17. a cover body; 18. a fixed block; 19. a spring; 20. a slider; 21. a clamping rod; 22. a travel bar; 23. a rubber curtain; 24. store up the paint box.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments presented in the drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1:

the embodiment provides a paint spraying and dust sucking protective device, which comprises a shell 1 with a paint spraying chamber inside, as shown in figure 1; the bottom of the spray booth is fixedly provided with two fixed frames 2, each fixed frame 2 is provided with a conveying wheel through a rotating shaft, the two conveying wheels are in transmission connection through a conveying belt 4, and the rotating shaft of one conveying wheel is in transmission connection with an output shaft of a motor 5; a gun seat 6 is installed at the top of the paint spraying chamber, a paint spraying gun 7 with a downward spraying direction of a spray head and an infrared ray emitting device 8 with a downward infrared ray emitting direction are arranged on the gun seat 6, and an infrared receiving device which is over against the infrared ray emitting device 8 is arranged on any one side of the conveying direction of the conveying belt 4; two dust suction devices which are respectively positioned at the two sides of the gun seat 6 are also arranged at the top of the paint spraying chamber; the dust suction device comprises a wind collecting barrel 11 fixed at the top of the spray booth and an exhaust fan 12 arranged in the wind collecting barrel 11; the outer top of the shell 1 is provided with a dust collection assembly and a paint storage device; the input end of the dust collection component is communicated with the upper ends of the two air collecting cylinders 11 through a connecting pipe; the output end of the paint storage device is connected with a paint spraying gun 7 through a paint conveying pipe, and a feeding hole and a discharging hole are formed in the two sides of the shell 1 respectively.

The paint spraying and dust collecting protection device in the embodiment feeds back whether a piece to be painted enters a position to be painted or not by receiving or not infrared signals, so that the paint spraying gun 7 of the paint spraying assembly is automatically controlled to work, the suction fan 12 of the dust collecting assembly is controlled to work, and the automatic control of paint spraying and dust collecting is realized.

Of course, the controller may perform an immediate start/stop control for the extractor fan 12 in the dust collection assembly, or may perform a delayed start/stop control for the extractor fan 12. The controller may employ an MCU chip. The technical means for controlling the start and stop of the execution device by the controller is conventional, and is not an improvement point of the embodiment, and thus is not described in detail.

Example 2:

a paint spraying and dust collecting protective device is shown in figures 1-3 and comprises a shell 1, wherein two fixing frames 2 are symmetrically and fixedly arranged on the inner wall of the lower end of the shell 1, rotating wheels 3 are rotatably connected to the upper ends of the two fixing frames 2, the two rotating wheels 3 are in transmission connection through a conveying belt 4, a motor 5 is fixedly arranged on the side wall of one fixing frame 2, the tail end of an output shaft of the motor 5 penetrates through the side wall of the fixing frame 2 and is fixedly connected with one rotating wheel 3, a gun seat 6 is fixedly arranged on the inner wall of the upper end of the shell 1, a paint spraying gun 7 is fixedly arranged at the lower end of the gun seat 6, an infrared ray emitting device 8 is fixedly arranged at one side of the paint spraying gun 7 at the lower end of the gun seat 6, a fixing seat 9 is fixedly arranged inside the conveying belt 4 on the inner side wall of the shell 1, an infrared ray receiving device 10 corresponding to the infrared ray emitting device 8 is, an exhaust fan 12 is fixedly arranged inside the two sleeves 11, the motor 5 and the exhaust fan 12 are electrically connected with an external power supply through a control switch, the technology is widely applied in life, and a person skilled in the art should know that the technology is not described in much detail, a dust collection assembly and a paint storage box 24 are respectively fixedly arranged on two sides of the upper end of the shell 1, the input end of the dust collection assembly is communicated with the upper ends of the two sleeves 11 through an exhaust pipe, the output end of the paint storage box 24 is connected with a paint spraying gun 7 through a paint pipe, a feed inlet and a discharge outlet are respectively arranged on two sides of the shell 1, rubber hanging curtains 23 are respectively fixedly arranged on the upper ends of the feed inlet and the discharge outlet, the outflow of gas in the shell 1 from the feed inlet and the discharge outlet can be reduced, a controller is also fixedly arranged on the inner wall of the upper end of the shell, the controller is in signal connection with the infrared transmitting device 8 and the infrared receiving, when the plate passes through between the infrared emitting device 8 and the infrared receiving device 10, the infrared receiving device 10 cannot receive the signal of the infrared emitting device 8, so that the paint spray gun 7 can be controlled to work by the controller.

The dust collection assembly comprises a filter box 13 fixedly arranged at the upper end of a shell 1, a water filtering layer 14, an adsorption layer 15 and a dust filtering layer 16 are respectively and vertically arranged on the filter box 13, the adsorption layer 15 is made of active carbon, grooves are respectively formed in the positions, corresponding to the positions of the water filtering layer 14, the adsorption layer 15 and the dust filtering layer 16, of the upper end of the filter box 13, rectangular holes are respectively formed in the groove bottoms of the two grooves, a cover body 17 is respectively arranged in each of the three grooves, the upper ends of the water filtering layer 14, the adsorption layer 15 and the dust filtering layer 16 penetrate through the rectangular holes and are respectively and fixedly connected with the lower ends of the three cover bodies 17, cavities are respectively arranged in the three cover bodies 17, clamping mechanisms are respectively arranged in the three cavities, each clamping mechanism comprises a fixed block 18 fixedly arranged in the middle of the cavity, springs 19 are fixedly arranged on two sides of the fixed block 18, sliders 20 are respectively and a clamping rod 21, the other end of two kelly 21 runs through the both sides of cavity respectively and all outwards extends, the draw-in groove with two kelly 21 matched with is all seted up to the both sides of recess, the upper end of two sliders 20 is all fixed and is equipped with the carriage release lever 22, the bar hole has transversely been seted up at the top of cavity, the bar hole is all passed and all outwards extends to the upper end of two carriage release levers 22, the gas outlet has been seted up to one side that exhaust column was kept away from to rose box 13, the lateral wall and the lower extreme of three lid 17 are all fixed and are equipped with rubber packing pad, can increase the gas tightness between lid 17 and the recess, conveyer belt 4 adopts transparent material to make, can make infrared receiving device 10 receive infrared transmitting device.

In the utility model, when in use, the plate can be put on the conveyer belt 4 through the feed inlet arranged on the shell 1, the plate on the conveyer belt 4 can be driven to move through the motor 5 arranged on the fixing frame 2 by the rotation of the motor 5, the plate can be automatically painted on the surface of the plate through the infrared transmitting device 8 and the infrared receiving device 10 arranged in the shell 1 when the plate passes between the infrared transmitting device 8 and the infrared receiving device 10, the infrared receiving device 10 can not receive the signal of the infrared transmitting device 8, thereby the paint spraying gun 7 can be controlled to work through the controller, the self-dynamic response can be realized, the air in the shell 1 can be sucked into the filter box 13 through the suction fan 12 arranged in the sleeve 11, and the water filtering layer 14, the adsorption layer 15 and the dust filtering layer 16 are arranged in the filter box 13, can carry out filtration treatment with inhaling the gas to the inside of rose box 13, thereby can carry out filtration treatment with remaining lacquer in the air, avoid causing the pollution to the air, through the fixed block 18 that sets up in the cavity, spring 19, slider 20 and kelly 21, press two carriage release levers 22 simultaneously, make two sliders 20 be close to the removal relatively, thereby can make two kellies 21 break away from two draw-in grooves, be convenient for take out lid 17 from the inside of recess, and then can be with water filtering layer 14, adsorbed layer 15 and dust filter layer 16 take out the inside of following rose box 13 respectively and clear up.

The paint spraying and dust collecting protection device in the embodiment is an intelligent sensing paint spraying and dust collecting protection device. This intelligence response's dust absorption protector that sprays paint, through setting up the feed inlet on casing 1, can put into panel on conveyer belt 4, through setting up motor 5 on mount 2, motor 5 rotates and to drive the panel removal on the conveyer belt 4, through infrared emission device 8 and the infrared receiving device 10 that sets up at casing 1 portion, pass through when panel passes through between infrared emission device 8 and the infrared receiving device 10, make infrared receiving device 10 can not receive infrared emission device 8's signal, thereby can control the work of spray gun 7 through the controller, can realize spraying paint from the surface of dynamic response panel.

The paint spraying and dust collecting protection device in the embodiment can suck the air in the shell 1 into the filter box 13 through the suction fan 12 arranged in the wind collecting barrel 11, the gas sucked into the filter tank 13 can be filtered by the water filtering layer 14, the adsorption layer 15 and the dust filtering layer 16 provided in the filter tank 13, so that residual paint in the air can be filtered to avoid polluting the air, the two sliding blocks 20 move relatively close to each other by the fixed block 18, the spring 19, the sliding blocks 20 and the clamping rods 21 which are arranged in the cavity and simultaneously pressing the two moving rods 22, thereby separating the two clamping rods 21 from the two clamping grooves, facilitating the cover body 17 to be taken out from the inside of the groove, further, the water filtration layer 14, the adsorption layer 15, and the dust filtration layer 16 can be taken out from the inside of the filter box 13 and cleaned.

The part that does not relate to in this embodiment all is the same with prior art or can adopt prior art to realize, the utility model discloses can realize spraying paint from the surface of dynamic response panel, and can carry out filtration treatment with remaining lacquer in the air, avoid causing the pollution to the air.

Example 3:

the embodiment is optimized on the basis of embodiment 1 or embodiment 2, and as shown in fig. 1, the paint spraying and dust collecting protection device comprises a shell 1 with an inner cavity of a paint spraying chamber; a feed inlet and a discharge outlet are formed in the shell 1; the paint spraying and dust collecting protection device also comprises a controller, and a paint spraying transmission line, a paint spraying assembly, a triggering assembly and a dust collecting assembly which are respectively connected with the controller;

the paint spraying assembly comprises a gun seat 6 arranged at the top of a paint spraying chamber, a paint spraying gun 7 arranged on the gun seat 6 and with downward spraying direction, a paint storage box 24 arranged outside the shell 1 and used for conveying paint liquid to the paint spraying gun 7 through a paint conveying pipe (not shown in figure 2);

the trigger assembly comprises an infrared emission device 8 which is arranged on the gun seat 6 and has a downward emission direction, and an infrared receiving device 10 which is arranged corresponding to the infrared emission device 8, and when passing below the paint spraying gun 7, a piece to be painted can pass through the space between the infrared emission device 8 and the infrared receiving device 10;

the dust collection assembly comprises an air collection barrel 11 arranged at the top of the spray chamber, an exhaust fan 12 arranged in the air collection barrel 11, and a filter box 13 arranged outside the shell 1 and communicated with the inner cavity of the air collection barrel 11 through an exhaust pipe, wherein an air outlet for discharging filtered air is arranged on the filter box 13; the air collecting cylinders 11 and the air suction fans 12 are arranged into two groups, and the two groups of air collecting cylinders 11 and the two groups of air suction fans 12 are respectively arranged in front of and behind the gun seat 6 by taking the transmission direction of a piece to be painted as reference;

the controller (not shown in fig. 2) is installed on the outer side wall of the shell, and the controller is respectively connected with the infrared transmitting device 8, the infrared receiving device 10, the paint spraying electromagnetic valve for controlling the working state of the paint spraying gun 7 and the air draft electromagnetic valve for controlling the working state of the air draft fan 12.

In this embodiment, the main design is: the controller is connected with the infrared emission device 8 to control the starting or stopping of the paint spray gun 7, the controller is in signal connection with the paint spray gun 7 to control the starting or stopping of the paint spray gun 7, and the controller is in signal connection with the exhaust fan 12 to control the starting or stopping of the exhaust fan 12; meanwhile, the controller is connected with the infrared receiving device 10 to feed back information on whether infrared rays are received or not, and the information on whether infrared rays are received or not is fed back as a judgment basis for controlling the working state of the paint spray gun 7 and the working state of the exhaust fan 12. When no piece waiting to spray paint in the paint spraying chamber, 8 periodic of infrared emission device continuously send the infrared ray to infrared receiving device 10, when waiting to spray paint a piece entering paint spraying chamber and driven to the spray gun below by the transmission line that sprays paint, it can shelter from the light path between 8 and the infrared receiving device 10 to wait to spray paint a piece, infrared receiving device 10 does not receive the signal of infrared ray and is received the back by the controller, the controller will send start instruction to spray paint gun 7 of the subassembly that sprays paint and let spray paint gun 7 begin the work of spraying paint, the controller will send start instruction to dust absorption assembly's aspirator fan 12 simultaneously and let aspirator fan 12 begin convulsions work, and the air of extraction gets into rose box 13 through the exhaust column, the air of mixed paint liquid just can be discharged after being filtered by rose box 13. On the other hand, in order to ensure the working stability of the device, a set of manual control system can be added to separately control the motor 5 in the paint spraying transmission line, the switch (paint spraying electromagnetic valve) for controlling the paint spraying gun 7 in the paint spraying assembly, the switch (air extracting electromagnetic valve) for controlling the air extracting fan 12 in the dust collection assembly, and the switch for controlling the infrared emission device, which is a conventional technical means in the field, and is not an improvement point of the embodiment, and therefore, the description is omitted.

Furthermore, three open windows communicating the inner cavity of the filter box 13 with the outside are formed in the top of the filter box 13, and three filter layer mounting grooves are formed in the bottom of the inner cavity of the filter box 13; the positions of the windows and the filter layer mounting grooves correspond one to form three groups of filter layer limiting structures; a water filtering layer 14, an adsorption layer 15 and a dust filtering layer 16 are sequentially arranged in the inner cavity of the filter box 13, the water filtering layer 14 is closest to the air draft pipe connector, and the water filtering layer 14, the adsorption layer 15 and the dust filtering layer 16 are respectively arranged in the limiting structures of the three groups of filtering layers; meanwhile, the lower part of the windowing is a filtering layer mounting part which is close to the inner cavity and has smaller width, and the upper part of the windowing is a sealing plug mounting part which is close to the outside and has larger width; an elastic sealing plug is arranged in each sealing plug mounting part in a matched mode, and a clamping groove matched with the elastic sealing plug for use is further formed in the inner wall of each sealing plug mounting part.

The air mixed with paint liquid enters the inside of the filter box 13 through the exhaust pipe, and is discharged from the air outlet after the water and impurities are sequentially adsorbed by the water filtering layer 14, the adsorption layer 15 and the dust filtering layer 16. Because the pollution of the filter layer in the filter box 13 is very fast under the paint spraying working environment, and the filter layer needs to be frequently replaced, the filter layer limiting structure is specially arranged on the filter box 13, and each filter layer limiting structure consists of a window arranged at the top of the filter cavity and a filter layer mounting groove arranged at the bottom of the filter cavity.

After filter chamber is put into to filter layer 14, adsorbed layer 15, the three filter layer of dust filter layer 16, the top of filter layer is arranged in windowing and the bottom of filter layer is arranged in the filter layer mounting groove, more specifically speaking, this moment, the top of filter layer is arranged in the bottom of the filter layer installation department of windowing and filter layer and is arranged in the filter layer mounting groove, the position corresponds a set of filter layer installation department of windowing that sets up, the filter layer mounting groove is spacing in filter chamber with a filter layer to separate into four spaces with filter chamber from air inlet to gas outlet after the installation of the three filter layer of this structure.

When the filter box 13 normally works, the opening of the window at the top of the filter layer is sealed by the elastic sealing plug, and at the moment, the filter cavity only has an air inlet connected with the exhaust pipe and an air outlet for exhausting; when the filter layer needs to be replaced, the elastic sealing plug on the window is taken down, the filter layer can be taken out from the window above, and the filter layer is put into the window after being cleaned or is directly put into a new filter layer for replacement.

Usually, activated carbon is used as the adsorption layer 15.

Further, the elastic sealing plug comprises a cover body 17, a fixing block 18 fixed at the middle position of the cover body 17, and elastic buckles respectively located at two sides of the fixing block 18, wherein the cover body 17 is provided with two sliding grooves corresponding to the positions of the elastic buckles along the direction of the fixing block 18 extending towards the edge; the elastic buckle comprises a spring 19 with a fixed end installed on the fixed block 18, a sliding block 20 capable of sliding in a sliding groove in a straight line is connected to the telescopic end of the spring 19, a clamping rod 21 capable of being clamped into the clamping groove and a moving rod 22 extending out of the cover body 17 are arranged on the sliding block 20, and the moving rod 22, the sliding block 20 and the clamping rod 21 move together.

The embodiment provides an optimized elastic sealing plug structure, the elastic sealing plug is provided with two groups of elastic buckles capable of elastically stretching, an operator extrudes the moving rods 22 of the two elastic buckles, whether the two sliding blocks 20 can be close to a fixed hole by the elasticity of the spring 19 or not, and the elastic sealing plug can smoothly enter a sealing plug mounting part with a window; the force application to the elastic buckle is released, and the clamping rod 21 is embedded into the clamping groove in the inner wall of the sealing plug mounting part to perform limiting mounting.

Further, a baffle is installed on the upper surface of the cover body 17 in a snap-fit manner; a space for accommodating the fixing block 18 and the elastic buckle is formed between the baffle and the cover body 17, and two strip-shaped holes for the moving rod 22 to penetrate out and move transversely are formed in the dust guard.

The baffle in this embodiment can reduce the pollution of remaining pollutant in the air to the inside elasticity buckle of elastic sealing plug.

Furthermore, a rubber sealing ring is arranged between the elastic sealing plug and the sealing plug mounting part of the windowing.

Furthermore, rubber sealing gaskets are arranged on the side wall and the lower surface of the elastic sealing plug.

Further, the transmission line that sprays paint is including installing two mounts 2 in the paint spray booth, installing two runners 3 on mount 2 through pivot separately respectively, connecting the conveyer belt 4 of two runners 3 and passing through the motor 5 that the shaft connector is connected with one runner 3 in two runners 3, and motor 5 drive one runner 3 initiative is rotated and is driven another runner 3 through conveyer belt 4 and is driven.

Further, the motor 5 is installed on the side wall of the fixing frame 2, or the motor 5 is installed on the inner wall of the paint spraying chamber.

Furthermore, the trigger assembly further comprises a fixed seat 9 for mounting an infrared receiving device 10, the fixed seat 9 is mounted on the inner wall of the paint spraying chamber, and when no part to be painted exists in the paint spraying chamber, a light path between the infrared emitting device 8 and the infrared receiving device 10 is not blocked; when entering into a piece to be painted in the paint spraying chamber, the piece to be painted shields a light path between the infrared transmitting device 8 and the infrared receiving device 10 when moving below the paint spraying gun 7.

Furthermore, the number of the conveyor belts 4 is two, and when no part to be painted exists in the paint spraying chamber, the two conveyor belts 4 with parallel light paths between the infrared transmitting device 8 and the infrared receiving device 10 pass through; when entering into a piece to be painted in the paint spraying chamber, the piece to be painted shields a light path between the infrared transmitting device 8 and the infrared receiving device 10 when moving below the paint spraying gun 7.

Further, rubber curtains 23 are arranged at the feed inlet and the discharge outlet.

The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.

Claims

1. A paint spraying and dust absorbing protective device comprises a shell (1) with an inner cavity of a paint spraying chamber; a feed inlet and a discharge outlet are formed in the shell (1); the paint spraying and dust collecting protection device is characterized by further comprising a controller, and a paint spraying transmission line, a paint spraying assembly, a triggering assembly and a dust collecting assembly which are respectively connected with the controller;

the paint spraying assembly comprises a gun seat (6) arranged at the top of the paint spraying chamber, a paint spraying gun (7) arranged on the gun seat (6) and with the downward spraying direction, and a paint storage box (24) which is arranged outside the shell (1) and used for conveying paint liquid to the paint spraying gun (7) through a paint conveying pipe;

the trigger assembly comprises an infrared transmitting device (8) which is arranged on the gun seat (6) and has a downward transmitting direction and an infrared receiving device (10) which is arranged corresponding to the infrared transmitting device (8), and when passing below the paint spraying gun (7), a piece to be painted can pass through the space between the infrared transmitting device (8) and the infrared receiving device (10);

the dust collection assembly comprises a wind collecting barrel (11) arranged at the top of the spray chamber, an exhaust fan (12) arranged in the wind collecting barrel (11), and a filter box (13) arranged outside the shell (1) and communicated with the inner cavity of the wind collecting barrel (11) through the exhaust pipe, wherein the filter box (13) is provided with an air outlet for discharging filtered air; the air collecting cylinders (11) and the exhaust fans (12) are arranged into two groups, the transmission direction of a piece to be painted is taken as reference, and the two groups of air collecting cylinders (11) and the exhaust fans (12) are respectively arranged in front of and behind the gun seat (6);

the controller is respectively connected with the infrared transmitting device (8), the infrared receiving device (10), the paint spraying electromagnetic valve for controlling the working state of the paint spraying gun (7) and the air draft electromagnetic valve for controlling the working state of the air draft fan (12).

2. The paint spraying, dust collecting and protecting device according to claim 1, wherein the top of the filter box (13) is provided with three windows communicating the inner cavity of the filter box (13) with the outside, and the bottom of the inner cavity of the filter box (13) is provided with three filter layer mounting grooves; the positions of the windows and the filter layer mounting grooves correspond one to form three groups of filter layer limiting structures; a water filtering layer (14), an adsorption layer (15) and a dust filtering layer (16) are sequentially arranged in an inner cavity of the filtering box (13), the water filtering layer (14) is closest to an air draft pipe connector, and the water filtering layer (14), the adsorption layer (15) and the dust filtering layer (16) are respectively placed in three groups of filtering layer limiting structures; meanwhile, the lower part of the windowing is a filtering layer mounting part which is close to the inner cavity and has smaller width, and the upper part of the windowing is a sealing plug mounting part which is close to the outside and has larger width; an elastic sealing plug is arranged in each sealing plug mounting part in a matched mode, and a clamping groove matched with the elastic sealing plug for use is further formed in the inner wall of each sealing plug mounting part.

3. The paint spraying, dust collecting and protecting device according to claim 2, wherein the elastic sealing plug comprises a cover body (17), a fixing block (18) fixed at the middle position of the cover body (17) and elastic buckles respectively positioned at two sides of the fixing block (18), and the cover body (17) is provided with two sliding grooves corresponding to the elastic buckles along the extending direction of the fixing block (18) to the edge; the elastic buckle comprises a spring (19) with a fixed end installed on a fixed block (18), a sliding block (20) capable of sliding linearly in a sliding groove is connected to the telescopic end of the spring (19), a clamping rod (21) capable of being clamped into the clamping groove and a moving rod (22) extending out of the cover body (17) are arranged on the sliding block (20), and the moving rod (22), the sliding block (20) and the clamping rod (21) move together.

4. A paint spray protection device according to claim 3, wherein a baffle is snap-fitted to the upper surface of the cover (17); a space for accommodating the fixed block (18) and the elastic buckle is formed between the baffle and the cover body (17), and two strip-shaped holes for the moving rod (22) to penetrate out and move transversely are formed in the dust guard.

5. A paint spraying and dust collecting protector as claimed in claim 4, wherein a rubber sealing ring is provided between the resilient sealing plug and the windowed sealing plug mounting portion.

6. The paint spraying dust absorption protective device as claimed in claim 4, wherein rubber gaskets are arranged on the side wall and the lower surface of the elastic sealing plug.

7. A paint spraying dust absorption protection device according to any one of claims 1 to 6, characterized in that the paint spraying transmission line comprises two fixed frames (2) installed in the paint spraying chamber, two rotating wheels (3) respectively installed on the fixed frames (2) through respective rotating shafts, a conveyer belt (4) connecting the two rotating wheels (3), and a motor (5) connected with one rotating wheel (3) of the two rotating wheels (3) through a shaft connector, wherein the motor (5) drives one rotating wheel (3) to rotate actively and drives the other rotating wheel (3) to be driven through the conveyer belt (4).

8. The paint spraying dust absorption protection device according to claim 7, wherein the trigger assembly further comprises a fixed seat (9) for mounting the infrared receiving device (10), the fixed seat (9) is mounted on the inner wall of the paint spraying chamber, and when no piece to be painted exists in the paint spraying chamber, the light path between the infrared emitting device (8) and the infrared receiving device (10) is not blocked; when entering a piece to be painted in the paint spraying chamber, the piece to be painted shields a light path between the infrared transmitting device (8) and the infrared receiving device (10) when moving to the lower part of the paint spraying gun (7).

9. A paint spraying and dust collecting protection device as claimed in claim 7, characterized in that the number of the conveyor belts (4) is two, when there is no piece to be painted in the paint spraying chamber, the infrared ray transmitting device (8) and the infrared ray receiving device (10) pass between the two conveyor belts (4) with parallel light paths; when entering a piece to be painted in the paint spraying chamber, the piece to be painted shields a light path between the infrared transmitting device (8) and the infrared receiving device (10) when moving to the lower part of the paint spraying gun (7).

10. The paint spraying and dust collecting protection device as claimed in any one of claims 1, 2, 3, 4, 5 and 6, wherein rubber curtains (23) are arranged at the feed inlet and the discharge outlet.