Water-based paint spraying device for environment-friendly furniture suitable for old people

Abstract

The utility model discloses an environment-friendly water-based paint spraying device for old furniture, and belongs to the technical field of furniture spraying. Comprising a temporary storage tank, a liquid supply pump, a treatment tank, a spraying pipeline and a spraying robot, and the liquid supply pump is fixed to the top of the temporary storage tank through a support; the input end of the liquid supply pump is connected to the liquid inlet valve through a first tee joint; the liquid inlet valve is connected to the bottom of the inner side of the adjacent storage tank; the middle end of the first tee joint is connected with a liquid return pipe; the treatment tank comprises a tank body, and a temperature control jacket is arranged outside the tank body; the bottom of the tank body is connected to the upper part of an adjacent storage tank through a first liquid return valve; the top of the tank body is connected to the output end of the liquid supply pump; a filter screen is arranged on the inner side of the tank body; a bottom valve is arranged at the bottom of the tank body; a spraying flow channel and a liquid return flow channel are arranged in the spraying pipeline; according to the environment-friendly water-based paint spraying device for the old furniture, powder and impurities adhered to the furniture can be removed, and the spraying smoothness is guaranteed.

Description

Technical Field

[0001] The utility model specifically relates to an environmentally friendly water-based paint spraying device for elderly-friendly furniture, belonging to the technical field of furniture spraying. Background Art

[0002] Water-based paint is harmless to the human body and does not pollute the environment. The paint film is plump, crystal clear, flexible, and has the characteristics of water resistance, wear resistance, aging resistance, yellowing resistance, fast drying and easy use. In the prior art, water-based paint is widely used in environmentally friendly and elderly-friendly furniture. After the furniture is processed, it needs to be sprayed by a spraying device. Existing spraying equipment such as China Patent Publication No.: CN118122544A discloses a reciprocating furniture automatic spraying production line and its production process, including a deburring machine, a dust removal machine, a preheating leveling machine, a reciprocating sprayer, a cold infrared leveling machine, a water-based Jet dryers, dehumidifying dryers, cooling belt conveyors and roller conveyors can solve the problem that the burrs on the surface of the wood board affect the flatness and spraying quality of the board surface after spraying, and the board with too thick spray paint cannot be effectively dried; but after the deburring machine completes the deburring process, there is still attached dust, and it is impossible to perform in-depth cleaning with just a dust collector, and it is impossible to meet the cleanliness requirements of the material surface for water-based paint; in addition, water-based paint is easy to dry and easy to clump when stored for a long time. If it is only continuously stirred, the water-based paint that has clogged on the wall cannot be removed, and it is easy to clog the nozzle. Utility Model Content

[0003] In order to solve the above problems, the utility model proposes an environmentally friendly water-based paint spraying device for elderly-friendly furniture, which can remove powder and impurities adhering to the furniture and ensure smooth spraying.

[0004] The utility model discloses an environmentally friendly water-based paint spraying device for elderly-friendly furniture, comprising:

[0005] Temporary storage tanks;

[0006] A liquid supply pump, the liquid supply pump is fixed to the top of the temporary storage tank through a bracket; the input end of the liquid supply pump is connected to the liquid inlet valve through a first tee; the liquid inlet valve is connected to the bottom of the inner side of the temporary storage tank; the middle end of the first tee is connected to a liquid return pipe;

[0007] The treatment tank comprises a tank body, the outside of which is provided with a temperature control jacket; the bottom of the tank body is connected to the upper part of the temporary storage tank through a first liquid return valve; the top of the tank body is connected to the output end of the liquid supply pump; a filter is provided inside the tank body; and a bottom valve is provided at the bottom of the tank body;

[0008] A spraying pipeline, wherein a spraying flow channel and a liquid return flow channel are arranged inside the spraying pipeline; the input end of the spraying flow channel is connected to the bottom valve; the output end of the liquid return flow channel is connected to the liquid return pipe through the second liquid return valve; the output end of the spraying flow channel and the input end of the liquid return flow channel are both connected to the electric-controlled three-way valve;

[0009] Spraying robot, the middle end of the electric-controlled three-way valve is connected to the liquid supply port of the spraying robot.

[0010] During spraying, the liquid supply pump draws out the water-based paint in the temporary storage tank through the first three-way and the liquid inlet valve, and pumps it to the processing tank. The temperature of the tank body is controlled by the temperature control jacket outside the processing tank to prevent the water-based paint inside the tank body from agglomerating. The water-based paint entering the processing tank is filtered through a filter to remove impurities and is temporarily stored in the temporary storage tank. At this time, it is determined whether it is in the spraying state. If it is in the spraying state, the first liquid return valve is closed to directly send the water-based paint to the spraying end; if it is not in the spraying state, the first liquid return valve is opened to send the water-based paint to the spraying end. The filtrate of the water-based paint is pumped into the temporary storage tank; before each spraying, first close the bottom valve, and close the middle end of the electric-controlled three-way valve, open the other two ends of the electric-controlled three-way valve, and open the second return liquid valve; realize the connection between the spray flow channel, the return liquid flow channel and the return liquid pipe to form a cleaning pipeline, and return the water-based paint in the cleaning pipeline through the liquid supply pump, and re-enter the treatment tank for filtration treatment; then, open the bottom valve, delay the closing of the second return liquid valve, and close the port connecting the electric-controlled three-way valve and the return liquid flow channel; open the middle end of the electric-controlled three-way valve to enter the water-based paint spraying process.

[0011] Furthermore, a spray pressure pump is arranged between the spray flow channel and the bottom valve; the pressure pump pressurizes the water-based paint to provide spray pressure.

[0012] Furthermore, the tank body includes an upper part and a lower part; the filter is arranged between the upper part and the lower part, and is fastened and installed by a flange; the upper part and the lower part can be disassembled through the flange, so that the filter can be removed from the inside of the tank body, so that the filter can be cleaned, and after cleaning and drying, it can be reassembled and used.

[0013] Furthermore, the filter is fixed between the upper flange tube and the lower flange tube by a flange, and the upper flange tube and the lower flange tube are fixed between the upper part and the lower part; the upper flange tube is provided with a deslagging valve on the top surface of the filter; when the filter holes of the filter need to be cleaned, the treatment tank is first filled with water-based paint, and the liquid supply pump and the deslagging valve are turned on, and the liquid supply pump discharges the water-based paint from the deslagging valve to the outside of the tank body, so that the water-based paint forms a flowing state on the top surface of the filter, and the deslagging valve is used to discharge impurities attached to the filter to the outside of the tank body; and the water-based paint and impurity mixture discharged from the outside of the tank body is filtered using external filtering equipment to remove impurities on the filter.

[0014] Furthermore, it also includes a spraying tunnel, wherein a grid mesh conveyor belt is arranged inside the spraying tunnel; the spraying tunnel is divided into a cleaning area, a dust removal area, a spraying area and a baking area from input to output; the spraying robot is installed inside the spraying area and arranged outside the grid mesh conveyor belt;

[0015] A cleaning assembly, the cleaning assembly is arranged inside the cleaning area, the cleaning assembly comprises a first frame seat, an air knife unit is fixed at intervals inside the first frame seat, the air knife unit is connected to a pressurized pipe through an electric control valve, and the pressurized pipe is connected to a pressure blower;

[0016] A dust removal unit, the dust removal unit comprising a second frame seat, each inner surface of the second frame seat is fixed with a hood, the hood is connected to a negative pressure pipe, and the negative pressure pipe is connected to an exhaust fan;

[0017] A spraying unit, wherein the spraying unit is a plurality of spraying robots arranged inside the spraying area;

[0018] A baking heat source is installed in the baking area.

[0019] During operation, the furniture is prevented from being put on the grid mesh conveyor belt at the input port of the spray tunnel, and the furniture is sent to the cleaning area through the grid mesh conveyor belt; the cleaning component is activated, and the pressure fan sends high-pressure gas to the wind knife unit. When the air is supplied, the corresponding electric control valve is opened according to the shape and size of the furniture, so as to control the operation of the corresponding wind knife unit, and the corresponding wind knife unit directly impacts the high-pressure gas to the surface of the furniture to peel off the sawdust or dust adhering to the surface of the furniture; then, the grid mesh conveyor belt sends the furniture to the dust removal area, the dust removal unit is activated, the exhaust fan is turned on, and negative pressure is provided to the wind hood through the negative pressure pipe, so as to exhaust the furniture passing through the wind hood and remove the floating sawdust or dust; then, the grid mesh conveyor belt sends the furniture to the spraying area, and the spraying robot is activated. The spraying robot sprays water-based paint on various areas of the furniture according to the specified spraying instructions; after the spraying is completed, the grid mesh conveyor belt sends the furniture to the baking area, and the baking heat source dries the furniture. After the drying is completed, the furniture is sent out from the output port of the spray tunnel.

[0020] Furthermore, isolation curtains are provided between the cleaning area and the dust removal area, and between the dust removal area and the spraying area; since the high-pressure gas blowing linearity of the wind knife unit is high, and the wind hood of the dust removal unit is facing the furniture, the high-pressure gas and negative pressure exhaust can fully act on the furniture to avoid mutual interference between the areas, and the cleaning area, dust removal area and spraying area can be isolated through the isolation curtain to prevent mutual interference between the areas.

[0021] Furthermore, there are multiple groups of spraying areas and baking areas, which are arranged alternately; each group of spraying areas and baking areas completes the coating and drying of a layer of water-based paint; the number of spraying areas and baking areas is determined according to the number of layers of water-based paint applied.

[0022] Compared with the prior art, the environmentally friendly water-based paint spraying device for elderly-friendly furniture of the utility model can make the water-based paint to be sprayed in a flowing state, and can remove impurities or wall-hanging adhesive blocks in the water-based paint, thereby ensuring the smoothness of spraying. In addition, the wind knife pressure is used to impact the furniture in advance to remove powder and impurities adhering to the furniture, thereby ensuring the quality of spraying. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the water-based paint spraying device of the utility model.

[0024] Figure 2 It is a schematic diagram of the overall structure of the filter screen of the present utility model.

[0025] Figure 3 It is a schematic diagram of the installation structure of the upper flange pipe, the lower flange pipe and the filter screen of the utility model.

[0026] Figure 4 This is a schematic diagram of the overall structure of the spray tunnel of the utility model.

[0027] Figure 5 It is a schematic diagram of the overall structure of the cleaning component of the utility model.

[0028] Figure 6 It is a schematic diagram of the overall structure of the dust removal unit of the utility model.

[0029] Figure 7 It is a schematic diagram of the overall structure of the isolation curtain of the utility model.

[0030] 1. Storage tank, 2. Liquid supply pump, 3. First three-way valve, 4. Liquid inlet valve, 5. Liquid return pipe, 6. Tank body, 7. Temperature control jacket, 8. First liquid return valve, 9. Filter screen, 10. Bottom valve, 11. Spraying pipeline, 12. Spraying flow channel, 13. Liquid return flow channel, 14. Second liquid return valve, 15. Electric three-way valve, 16. Spraying robot, 17. Liquid supply port, 18. Upper part, 19. Lower part, 20. Upper flange pipe, 21. Lower flange pipe, 22. Deslagging valve, 23. Grid mesh conveyor belt, 24. Cleaning assembly, 25. First frame seat, 26. Wind knife unit, 27. Electric control valve, 28. Pressurized pipe, 29. Second frame seat, 30. Wind hood, 31. Negative pressure pipe, 32. Dust removal unit, 33. Baking heat source, 34. Isolation curtain. DETAILED DESCRIPTION

[0031] Example:

[0032] like Figures 1 to 3 The environmentally friendly water-based paint spraying device for elderly-friendly furniture shown in the figure includes:

[0033] Temporary storage tank 1;

[0034] A liquid supply pump 2, the liquid supply pump 2 is fixed to the top of the temporary storage tank 1 through a bracket; the input end of the liquid supply pump 2 is connected to the liquid inlet valve 4 through a first three-way connection 3; the liquid inlet valve 4 is connected to the bottom of the inner side of the temporary storage tank 1; the middle end of the first three-way connection 3 is connected to a liquid return pipe 5;

[0035] The treatment tank comprises a tank body 6, and a temperature control jacket 7 is arranged outside the tank body 6; the bottom of the tank body 6 is connected to the upper part of the temporary storage tank 1 through a first liquid return valve 8; the top of the tank body 6 is connected to the output end of the liquid supply pump 2; a filter screen 9 is arranged inside the tank body 6; and a bottom valve 10 is arranged at the bottom of the tank body 6;

[0036] A spraying pipeline 11, wherein a spraying flow channel 12 and a liquid return flow channel 13 are arranged inside the spraying pipeline 11; the input end of the spraying flow channel 12 is connected to the bottom valve 10; the output end of the liquid return flow channel 13 is connected to the liquid return pipe 5 through the second liquid return valve 14; the output end of the spraying flow channel 12 and the input end of the liquid return flow channel 13 are both connected to the electric-controlled three-way valve 15;

[0037] The spraying robot 16 , the middle end of the electric-controlled three-way valve 15 is connected to the liquid supply port 17 of the spraying robot 16 .

[0038] During spraying, the liquid supply pump 2 extracts the water-based paint in the temporary storage tank 1 through the first three-way valve 3 and the liquid inlet valve 4, and pumps it to the processing tank, and controls the temperature of the tank body 6 through the temperature control jacket 7 outside the processing tank to prevent the water-based paint inside the tank body 6 from agglomerating; the water-based paint entering the processing tank is filtered through the filter screen 9 to filter out impurities and temporarily store it in the temporary storage tank 1; at this time, it is determined whether it is in the spraying state. If it is in the spraying state, the first liquid return valve 8 is closed to directly send the water-based paint to the spraying end; if it is not in the spraying state, the first liquid return valve 8 is opened to pump the water-based paint filtrate into Temporary storage tank 1; before each spraying, first close the bottom valve 10, and close the middle end of the electric-controlled three-way valve 15, open the other two ends of the electric-controlled three-way valve 15, and open the second liquid return valve 14; realize the connection between the spray flow channel 12, the liquid return flow channel 13 and the liquid return pipe 5 to form a cleaning pipeline, and return the water-based paint in the cleaning pipeline through the liquid supply pump 2, and re-enter the treatment tank for filtration treatment; then, open the bottom valve 10, and delay the closing of the second liquid return valve 14, and close the port connecting the electric-controlled three-way valve 15 and the liquid return flow channel 13; open the middle end of the electric-controlled three-way valve 15, and enter the water-based paint spraying process.

[0039] A spray pressure pump is arranged between the spray flow channel 12 and the bottom valve 10; the pressure pump pressurizes the water-based paint to provide spray pressure.

[0040] The tank body 6 includes an upper part 18 and a lower part 19; the filter screen 9 is arranged between the upper part 18 and the lower part 19, and is fastened and installed by a flange; the upper part 18 and the lower part 19 can be disassembled through the flange, so that the filter screen 9 can be removed from the inside of the tank body 6, so that the filter screen 9 can be cleaned, and after cleaning and drying, it can be reassembled and used.

[0041] The filter screen 9 is fixed between an upper flange tube 20 and a lower flange tube 21 by a flange, and the upper flange tube 20 and the lower flange tube 21 are fixed between an upper portion 18 and a lower portion 19; the upper flange tube 20 is provided with a deslagging valve 22 on the top surface of the filter screen 9; when it is necessary to clean the filter holes of the filter screen 9, first fill the treatment tank with water-based paint, and open the liquid supply pump 2 and the deslagging valve 22, the liquid supply pump 2 discharges the water-based paint from the deslagging valve 22 to the outside of the tank body 6, so that the water-based paint forms a flowing state on the top surface of the filter screen 9, and the deslagging valve 22 is used to discharge impurities attached to the filter screen 9 to the outside of the tank body 6; and use an external filtering device to filter the water-based paint and impurity mixture discharged from the outside of the tank body 6 to remove impurities on the filter screen 9.

[0042] like Figure 4 and Figure 7 As shown, it also includes a spraying tunnel, and a grid mesh conveyor belt 23 is arranged inside the spraying tunnel; the spraying tunnel is divided into a cleaning area, a dust removal area, a spraying area and a baking area from input to output; the spraying robot 16 is installed inside the spraying area and is arranged outside the grid mesh conveyor belt 23;

[0043] A cleaning assembly 24, the cleaning assembly 24 is arranged inside the cleaning area, the cleaning assembly 24 comprises a first frame seat 25, an air knife unit 26 is fixed inside the first frame seat 25, the air knife unit 26 is connected to a pressurized pipe 28 through an electric control valve 27, and the pressurized pipe 28 is connected to a pressure blower;

[0044] A dust removal unit 32, the dust removal unit 32 comprises a second frame seat 29, each inner surface of the second frame seat 29 is fixed with a hood 30, the hood 30 is connected to a negative pressure pipe 31, and the negative pressure pipe 31 is connected to an exhaust fan;

[0045] A spraying unit, which is a plurality of spraying robots 16 arranged inside the spraying area;

[0046] The baking heat source 33 is installed in the baking area.

[0047] During operation, the furniture is prevented from entering the grid mesh conveyor belt 23 at the input port of the spray tunnel, and the furniture is sent to the cleaning area through the grid mesh conveyor belt 23; the cleaning component 24 is activated, and the pressure blower sends high-pressure gas to the wind knife unit 26. When the air is sent, the corresponding electric control valve 27 is opened according to the shape and size of the furniture, so as to control the operation of the corresponding wind knife unit 26. The corresponding wind knife unit 26 directly impacts the high-pressure gas to the surface of the furniture, and the sawdust or dust adhering to the surface of the furniture is peeled off; then, the grid mesh conveyor belt 23 sends the furniture to the dust removal area, and the dust is removed. Unit 32 is activated, the exhaust fan is turned on, and negative pressure is provided to the hood 30 through the negative pressure pipe 31, thereby exhausting air to the furniture passing through the hood 30 and removing the floating sawdust or dust; then, the grille mesh conveyor belt 23 sends the furniture to the spraying area, and the spraying robot 16 is activated, and the spraying robot 16 sprays water-based paint on various areas of the furniture according to the specified spraying instructions; after the spraying is completed, the grille mesh conveyor belt 23 sends the furniture to the baking area, and the baking heat source 33 dries the furniture. After drying, the furniture is sent out from the output port of the spraying tunnel.

[0048] An isolation curtain 34 is arranged between the cleaning area and the dust removal area, and between the dust removal area and the spraying area. Since the high-pressure gas blowing linearity of the wind knife unit 26 is high, and the wind hood 30 of the dust removal unit 32 is facing the furniture, the high-pressure gas and negative pressure exhaust can fully act on the furniture to avoid mutual interference between the various areas. Moreover, the cleaning area, the dust removal area and the spraying area can be isolated through the isolation curtain 34 to prevent mutual interference between the various areas.

[0049] There are multiple groups of spraying areas and baking areas, which are arranged in a staggered manner; each group of spraying areas and baking areas is used to complete the coating and drying of a layer of water-based paint; the number of spraying areas and baking areas is determined according to the number of layers of water-based paint applied.

[0050] The above embodiments are only preferred implementations of the present invention, so any equivalent changes or modifications made according to the structures, features and principles described in the scope of application of the present invention are included in the scope of application of the present invention.

Claims

1. An environmentally friendly water-based paint spraying device for elderly-friendly furniture, characterized by: include: Temporary storage tanks; A liquid supply pump, the liquid supply pump is fixed to the top of the temporary storage tank through a bracket; the input end of the liquid supply pump is connected to the liquid inlet valve through a first tee; the liquid inlet valve is connected to the bottom of the inner side of the temporary storage tank; the middle end of the first tee is connected to a liquid return pipe; The treatment tank comprises a tank body, the outside of which is provided with a temperature control jacket; the bottom of the tank body is connected to the upper part of the temporary storage tank through a first liquid return valve; the top of the tank body is connected to the output end of the liquid supply pump; a filter is provided inside the tank body; and a bottom valve is provided at the bottom of the tank body; A spraying pipeline, wherein a spraying flow channel and a liquid return flow channel are arranged inside the spraying pipeline; the input end of the spraying flow channel is connected to the bottom valve; the output end of the liquid return flow channel is connected to the liquid return pipe through the second liquid return valve; the output end of the spraying flow channel and the input end of the liquid return flow channel are both connected to the electric-controlled three-way valve; Spraying robot, the middle end of the electric-controlled three-way valve is connected to the liquid supply port of the spraying robot.

2. The environmentally friendly water-based paint spraying device for elderly-friendly furniture according to claim 1 is characterized in that: A spraying pressure pump is arranged between the spraying flow channel and the bottom valve.

3. The environmentally friendly water-based paint spraying device for elderly-friendly furniture according to claim 1 is characterized in that: The tank body comprises an upper part and a lower part; the filter screen is arranged between the upper part and the lower part and is fastened and installed through a flange.

4. The environmentally friendly water-based paint spraying device for elderly-friendly furniture according to claim 1 or 3, characterized in that: The filter screen is fixed between an upper flange pipe and a lower flange pipe through a flange, and the upper flange pipe and the lower flange pipe are fixed between the upper part and the lower part; the upper flange pipe is provided with a slag removal valve on the top surface of the filter screen.

5. The environmentally friendly water-based paint spraying device for elderly-friendly furniture according to claim 1 is characterized in that: Also includes: A spraying tunnel, wherein a grid mesh conveyor belt is arranged inside the spraying tunnel; the spraying tunnel is divided into a cleaning area, a dust removal area, a spraying area and a baking area from input to output; the spraying robot is installed inside the spraying area and arranged outside the grid mesh conveyor belt; A cleaning assembly, the cleaning assembly is arranged inside the cleaning area, the cleaning assembly comprises a first frame seat, an air knife unit is fixed at intervals inside the first frame seat, the air knife unit is connected to a pressurized pipe through an electric control valve, and the pressurized pipe is connected to a pressure blower; A dust removal unit, the dust removal unit comprising a second frame seat, each inner surface of the second frame seat is fixed with a hood, the hood is connected to a negative pressure pipe, and the negative pressure pipe is connected to an exhaust fan; A spraying unit, wherein the spraying unit is a plurality of spraying robots arranged inside the spraying area; A baking heat source is installed in the baking area.

6. The environmentally friendly water-based paint spraying device for elderly-friendly furniture according to claim 5 is characterized by: Isolation curtains are arranged between the cleaning area and the dust removal area, and between the dust removal area and the spraying area.

7. The environmentally friendly water-based paint spraying device for elderly-friendly furniture according to claim 5 is characterized by: The spraying areas and baking areas are provided in multiple groups, and the spraying areas and baking areas are arranged alternately.

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