Polyurethane polyurea spray device with integrated discharge block

By setting up material and gas channels within the discharge block and equipping it with an exhaust regulating valve, the problem of existing devices only being able to connect to material pipes is solved. This enables the integrated connection and effective control of multiple pipelines, ensuring a stable supply of raw materials and high-quality coating.

CN224462943UActive Publication Date: 2026-07-07JINAN JINGHUA BANGWEI POLYURETHANE EQUIP CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JINAN JINGHUA BANGWEI POLYURETHANE EQUIP CO LTD
Filing Date
2025-07-30
Publication Date
2026-07-07

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  • Figure CN224462943U_ABST
    Figure CN224462943U_ABST
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Abstract

The utility model relates to a spraying machine technical field, concretely is a kind of polyurethane polyurea spraying device with integrated discharge block, including tank one, tank two, pneumatic material lifting pump one, pneumatic material lifting pump two, spraying machine, and spraying machine includes discharge block, booster pump one, booster pump two;Discharge block includes mutually separate material one passageway, material two passageway, gas passageway;Gas passageway is equipped with gas inlet, gas outlet one, gas outlet two and gas outlet three, and gas inlet is connected with gas source by pipeline, and gas outlet one is connected with pneumatic material lifting pump one by pipeline, and gas outlet two is connected with pneumatic material lifting pump two by pipeline;Gas outlet three is used to connect pneumatic spray gun by pipeline;The utility model is by setting discharge block, setting material passageway and gas passageway in discharge block, can connect material pipe, also can connect gas pipe, to be more integrated, can connect and control to multiple pipeline.
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Description

Technical Field

[0001] This utility model relates to the field of spraying machine technology, specifically a polyurethane / polyurea spraying device with an integrated discharge block. Background Technology

[0002] Both polyurethane and polyurea are composed of two liquid chemical raw materials. When polyurethane or polyurea is sprayed, the two liquid chemical raw materials need to be pressurized and heated in a polyurethane / polyurea spraying device before entering the spray gun for mixing and reaction before spraying. Existing polyurethane / polyurea spraying devices all have a discharge block, and the material pipe of the spraying device is connected to the material pipe of the spray gun at the discharge block. The disadvantage of the existing discharge block is that it can only connect to the raw material pipe and cannot connect to other pipes. Utility Model Content

[0003] The main objective of this invention is to provide a polyurethane / polyurea spraying device with an integrated discharge block, thereby solving the problem in the prior art where the discharge block of the polyurethane / polyurea spraying device can only connect to the material pipe and cannot connect to other pipes.

[0004] To achieve the above objectives, this utility model provides a polyurethane / polyurea spraying device with an integrated discharge block, comprising a material bin 1, a material bin 2, a pneumatic lifting pump 1, a pneumatic lifting pump 2, and a spraying machine. The spraying machine includes a discharge block, a booster pump 1, and a booster pump 2. The discharge block includes a material channel 1, a material channel 2, and a gas channel that are separated from each other. The gas channel is provided with a gas inlet, a gas outlet 1, a gas outlet 2, and a gas outlet 3. The gas inlet is connected to a gas source through a pipe, the gas outlet 1 is connected to the pneumatic lifting pump 1 through a pipe, the gas outlet 2 is connected to the pneumatic lifting pump 2 through a pipe, and the gas outlet 3 is used to connect to a pneumatic spray gun through a pipe.

[0005] Furthermore, gas outlet one and gas outlet two are equipped with gas outlet regulating valves.

[0006] Furthermore, both pneumatic lifting pump one and pneumatic lifting pump two include a lifting plunger pump, a cylinder that provides power to the plunger pump, and a gas reversing valve for reversing the gas in the cylinder.

[0007] Furthermore, material bin one is connected to pneumatic lifting pump one via a pipe, pneumatic lifting pump one is connected to booster pump one, booster pump one is connected to heater one, heater one is connected to material channel one, and material channel one is connected to connector one; material bin two is connected to pneumatic lifting pump two via a pipe, pneumatic lifting pump two is connected to booster pump two via a pipe, booster pump two is connected to heater two via a pipe, heater two is connected to material channel two, and material channel two is connected to connector two.

[0008] Furthermore, both booster pump one and booster pump two are booster piston pumps, and both booster pump one and booster pump two are connected to a double-headed hydraulic cylinder that provides power to them.

[0009] Furthermore, the spraying machine includes a base, on which a main support frame and an oil tank are fixedly connected. A double-headed hydraulic cylinder is fixedly connected to the front of the main support frame, and heater one and heater two are fixedly connected to the left and right sides of the main support frame. The oil tank is connected to an oil pump through a pipeline, and the oil pump is connected to a hydraulic oil reversing valve through a pipeline. The hydraulic oil reversing valve is connected to the double-headed hydraulic cylinder.

[0010] Furthermore, a wind-cooled radiator is provided on the rear side of the dual-head hydraulic cylinder, and the wind-cooled radiator is fixedly connected to the main support frame.

[0011] This invention features a discharge block with material and gas channels, allowing connection to both material and gas pipes, resulting in greater integration and enabling the connection and control of multiple pipelines.

[0012] This invention, by setting an air outlet regulating valve, can adjust the air supply pressure of the lifting pump according to the viscosity of the raw material affected by the ambient temperature, so that the lifting pump can normally supply the raw material to the booster pump one and booster pump two. Attached Figure Description

[0013] The accompanying drawings, which form part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention.

[0014] Figure 1 This is a three-dimensional structural diagram of the polyurethane polyurea spraying device with an integrated discharge block in the embodiment.

[0015] Figure 2 This is a front view schematic diagram of the polyurethane polyurea spraying device with an integrated discharge block in the embodiment.

[0016] Figure 3 This is a side view of the polyurethane polyurea spraying device with an integrated discharge block in the embodiment.

[0017] Figure 4 This is a front view schematic diagram of the structure of pneumatic lifting pump one and pneumatic lifting pump two in the embodiment;

[0018] Figure 5 This is a top view of the structure of pneumatic lifting pump one and pneumatic lifting pump two in the embodiment;

[0019] Figure 6 This is a schematic diagram of the structure of the stirring rod and stirring motor in the embodiment;

[0020] Figure 7 This is a schematic diagram of the gas channel in the embodiment;

[0021] Figure 8 This is a schematic diagram of the structure of material channel one and material channel two in the embodiment;

[0022] Figure 9 This is a schematic diagram of the structure of the double-headed hydraulic cylinder in the embodiment;

[0023] In the diagram: 1. Material bin one; 101. Stirring rod; 102. Stirring motor; 2. Material bin two; 3. Pneumatic lifting pump one; 301. Lifting plunger pump; 302. Cylinder; 303. Gas reversing valve; 4. Pneumatic lifting pump two; 5. Discharge block; 501. Material channel one; 502. Material channel two; 503. Gas channel; 503a. Gas inlet; 503b. Gas outlet one; 503c. Gas outlet two; 50 3d. Gas outlet three; 6. Booster pump one; 7. Booster pump two; 8. Gas outlet regulating valve; 9. Connector one; 10. Connector two; 11. Heater one; 12. Heater two; 13. Double-headed hydraulic cylinder; 1301. Cylinder body; 1302. Piston; 1303. Piston rod; 14. Base; 15. Main support frame; 16. Oil tank; 17. Oil pump; 18. Hydraulic oil reversing valve; 19. Air-cooled radiator; 20. Front cover. Detailed Implementation

[0024] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0025] like Figures 1 to 8 As shown in the embodiment of this utility model, a polyurethane / polyurea spraying device with an integrated discharge block is provided, including a material bin 1, a material bin 2, a pneumatic lifting pump 3, a pneumatic lifting pump 4, and a spraying machine. The spraying machine includes a discharge block 5, a booster pump 6, and a booster pump 7. The discharge block 5 includes a material channel 1 501, a material channel 2 502, and a gas channel 503 that are separated from each other. The gas channel 503 is located above the material channel 1 501 and the material channel 2 502. The gas channel 503 is provided with a gas inlet 503a on the rear side, a gas outlet 1 503b on the left side, a gas outlet 2 503c on the right side, and a gas outlet 3 503d on the front side. The gas inlet 503a is connected to a gas source through a pipe, the gas outlet 1 503b is connected to the pneumatic lifting pump 3 through a pipe, the gas outlet 2 503c is connected to the pneumatic lifting pump 4 through a pipe, and the gas outlet 3 503d is used to connect to a pneumatic spray gun through a pipe.

[0026] like Figure 1As shown, gas outlet 1 503b and gas outlet 2 503c are equipped with gas outlet regulating valves 8; by setting the gas outlet regulating valves, this utility model can adjust the gas supply pressure of the lifting pump according to the viscosity of the raw material affected by the ambient temperature, so that the lifting pump can normally supply the raw material to the booster pump 1 and booster pump 2.

[0027] like Figure 4 As shown, both the pneumatic lifting pump 3 and the pneumatic lifting pump 4 include a lifting plunger pump 301, a cylinder 302 that provides power to the plunger pump 301, and a gas reversing valve 303 for reversing the gas in the cylinder 302. By reversing the gas reversing valve 303, the plunger in the lifting plunger pump 301 reciprocates to lift the material.

[0028] like Figures 1-8 As shown, material bin 1 is connected to pneumatic lifting pump 3 via a pipe. Pneumatic lifting pump 3 is connected to booster pump 6. Booster pump 6 is connected to heater 11. Heater 11 is connected to material channel 501. Material channel 501 is connected to connector 9. Material bin 2 is connected to pneumatic lifting pump 4 via a pipe. Pneumatic lifting pump 4 is connected to booster pump 7 via a pipe. Booster pump 7 is connected to heater 12 via a pipe. Heater 12 is connected to material channel 502. Material channel 502 is connected to connector 10. Material channel 501 and material channel 502 are also connected to pressure gauges for measuring material pressure.

[0029] like Figure 9 As shown, booster pump 6 and booster pump 7 are both booster plunger pumps. Both booster pump 6 and booster pump 7 are connected to a double-headed hydraulic cylinder 13 that provides power to them. The double-headed hydraulic cylinder 13 includes a cylinder body 1301, a piston 1302, and a piston rod 1303. Both ends of the piston rod 1303 extend out of the cylinder body 1301, and both ends of the piston rod 1303 are respectively connected to booster pump 6 and booster pump 7.

[0030] like Figure 1 As shown, the spraying machine includes a base 14, on which a main support frame 15, an oil tank 16, and a front cover 20 are fixedly connected. A double-headed hydraulic cylinder 13 is fixedly connected to the front of the main support frame 15. Heater 11 and Heater 22 are fixedly connected to the left and right sides of the main support frame 15. The oil tank 16 is connected to an oil pump 17 via a pipe. The oil pump 17 is connected to a hydraulic oil reversing valve 18 via a pipe. The hydraulic oil reversing valve 18 is connected to the double-headed hydraulic cylinder 13. By reversing, the hydraulic oil reversing valve 18 causes the double-headed hydraulic cylinder 13 to reciprocate, providing power to booster pump 1 6 and booster pump 2 7. The discharge block 5 is located in front of the double-headed hydraulic cylinder 13 and is fixedly connected to the top of the front cover 20. A transformer and a solid-state relay are installed inside the front cover 20.

[0031] like Figure 1 As shown, a wind-cooled radiator 19 is provided on the rear side of the double-headed hydraulic cylinder 13, and the wind-cooled radiator 19 is fixedly connected to the main support frame 15; the wind-cooled radiator 19 can cool down the double-headed hydraulic cylinder 13; ensure the stability of the operation of the double-headed hydraulic cylinder 13 and extend its service life.

[0032] like Figure 6 As shown, stirring rods 101 are installed inside material bin 1 and material bin 2, and stirring motors 102 are installed on the top.

[0033] The material flow in the above embodiment is as follows: Material 1 is stored in material bin 1. Material 1 is lifted by pneumatic lifting pump 3 and then enters booster pump 6 for pressurization. After pressurization, it enters heater 11 for heating. After heating, it enters material 1 channel 501, then enters pipeline through connector 9 and finally enters spray gun; Material 2 is stored in material bin 2. Material 2 is lifted by pneumatic lifting pump 4 and then enters booster pump 7 for pressurization. After pressurization, it enters heater 12 for heating. After heating, it enters material 2 channel 502, then enters pipeline through connector 10 and finally enters spray gun; Material 1 and Material 2 are mixed in the spray gun and then sprayed out.

[0034] This embodiment sets up a discharge block, within which material and gas channels are provided. This allows for connection to both material and gas pipes, resulting in higher integration and enabling the connection and control of multiple pipelines.

[0035] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A polyurethane / polyurea spraying device with an integrated discharge block, comprising a material bin one (1), a material bin two (2), a pneumatic material lifting pump one (3), a pneumatic material lifting pump two (4), and a spraying machine, wherein the spraying machine includes a discharge block (5), a booster pump one (6), and a booster pump two (7); characterized in that, The discharge block (5) includes a material channel 1 (501), a material channel 2 (502), and a gas channel (503) that are separated from each other. The gas channel (503) is provided with a gas inlet (503a), a gas outlet 1 (503b), a gas outlet 2 (503c), and a gas outlet 3 (503d). The gas inlet (503a) is connected to a gas source through a pipe. The gas outlet 1 (503b) is connected to a pneumatic lifting pump 1 (3) through a pipe. The gas outlet 2 (503c) is connected to a pneumatic lifting pump 2 (4) through a pipe. The gas outlet 3 (503d) is used to connect to a pneumatic spray gun through a pipe.

2. The polyurethane polyurea spraying device with an integrated discharge block as described in claim 1, characterized in that, Gas outlet one (503b) and gas outlet two (503c) are provided with gas outlet regulating valves (8).

3. The polyurethane polyurea spraying device with an integrated discharge block as described in claim 1, characterized in that, Both the pneumatic lifting pump one (3) and the pneumatic lifting pump two (4) include a lifting plunger pump (301), a cylinder (302) that provides power to the plunger pump (301), and a gas reversing valve (303) for reversing the gas in the cylinder (302).

4. The polyurethane polyurea spraying device with an integrated discharge block as described in claim 1, characterized in that, The first material box (1) is connected to the first pneumatic lifting pump (3) through a pipe. The first pneumatic lifting pump (3) is connected to the first booster pump (6). The first booster pump (6) is connected to the first heater (11). The first heater (11) is connected to the first material channel (501). The first material channel (501) is connected to the first connector (9). The second material box (2) is connected to the second pneumatic lifting pump (4) through a pipe. The second pneumatic lifting pump (4) is connected to the second booster pump (7) through a pipe. The second booster pump (7) is connected to the second heater (12) through a pipe. The second heater (12) is connected to the second material channel (502). The second material channel (502) is connected to the second connector (10).

5. The polyurethane polyurea spraying device with an integrated discharge block as described in claim 4, characterized in that, Both booster pump one (6) and booster pump two (7) are booster plunger pumps, and both booster pump one (6) and booster pump two (7) are connected to a double-headed hydraulic cylinder (13) that provides power to them.

6. The polyurethane polyurea spraying device with an integrated discharge block as described in claim 5, characterized in that, The spraying machine includes a base (14), on which a main support frame (15) and an oil tank (16) are fixedly connected. The double-headed hydraulic cylinder (13) is fixedly connected to the front of the main support frame (15), and the heater one (11) and heater two (12) are fixedly connected to the left and right sides of the main support frame (15). The oil tank (16) is connected to an oil pump (17) through a pipe. The oil pump (17) is connected to a hydraulic oil reversing valve (18) through a pipe. The hydraulic oil reversing valve (18) is connected to the double-headed hydraulic cylinder (13).

7. The polyurethane polyurea spraying device with an integrated discharge block as described in claim 6, characterized in that, The rear side of the double-headed hydraulic cylinder (13) is provided with an air-cooled radiator (19), which is fixedly connected to the main support frame (15).