Spraying type polyurethane spraying device

Abstract

The utility model discloses a spraying device for spraying type polyurethane, which relates to the technical field of polyurethane and comprises a storage tank, wherein one end of the storage tank is provided with a bottom plate; a discharging table is arranged at the other end of the bottom plate; a discharging opening is formed in the bottom of the discharging table; supporting seats are arranged on the side surfaces of the storage tank; a pair of adjusting boxes are symmetrically arranged at the end, in the storage tank, of the bottom plate, and a through pipe is connected between the adjusting boxes; a sealing plate is arranged in the discharge port, a lifting rod is arranged at one end, in the discharge port, of the sealing plate, a sliding pipe is arranged on the lifting rod, and the other end of the sliding pipe is vertically communicated with a through pipe; the other end of the sealing plate is provided with a quantity control cone. According to the spraying type polyurethane spraying device, the adjusting box, the through pipe, the sliding pipe and the lifting rod are arranged to be communicated with one another, the air pressure difference in the adjusting box is changed, air pressure in the sliding pipe drives the lifting rod to move, the sealing plate and the quantity control cone are driven to move in the discharging port, the sealing plate achieves opening and closing of the discharging port, and the spraying type polyurethane spraying device is convenient to use. And the quantity control cone adjusts the discharge quantity of the discharge hole in the movement process of the discharge hole.

Description

Technical Field

[0001] The utility model relates to the technical field of polyurethane, in particular to a spraying device for spraying polyurethane. Background Art

[0002] The full name of polyurethane is polyurethane, which is a polymer compound with good stability, chemical resistance, resilience and mechanical properties. It is widely used in home furnishing, construction, daily necessities, transportation, home appliances, etc. When spraying polyurethane, polyurethane spraying equipment is needed to spray the polyurethane paint on the surface of the object.

[0003] The spray thickness of polyurethane varies according to the different equipment that needs to be sprayed. However, the existing spraying technology requires multiple single-layer spraying methods, so that the production equipment of polyurethane raw materials must always remain in working condition, resulting in increased energy consumption.

[0004] Therefore, a spraying device for spraying polyurethane is provided to achieve one-time spraying of polyurethanes of different thicknesses, thereby reducing production costs. Utility Model Content

[0005] Therefore, the purpose of the utility model is to provide a spraying device for spraying polyurethane to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a spraying device for spray-type polyurethane, which includes a storage tank, a bottom plate is arranged at one end of the storage tank, and a feeding pipe is connected to the other end of the storage tank; a discharge platform is concentrically arranged at the other end of the bottom plate, and a discharge port is arranged at the bottom of the discharge platform; a support seat is arranged on the side of the storage tank; a pair of adjusting boxes are symmetrically arranged on the inner end of the storage tank on the bottom plate, and a through pipe is connected between the adjusting boxes; a sealing plate is arranged inside the discharge port, and a lifting rod is arranged on the center of the sealing plate at one end of the inner end of the discharge port, a sliding pipe is arranged above the lifting rod, and the other end of the sliding pipe is vertically connected to the through pipe; a quantity control cone is arranged at the other end of the sealing plate.

[0007] As a preferred solution of the spraying device of a spray-type polyurethane described in the utility model, a general control handle is arranged on the bottom surface of the support seat, one end of the support seat is flush with the outer side of one end of the base plate, and the other end of the support seat is flush with the outer side of the other end of the storage tank; a pair of control lines are symmetrically arranged on the bottom of one end of the support seat on the same side as the feed pipe.

[0008] As a preferred solution of the spraying device of a spray-type polyurethane described in the utility model, wherein: a motor is arranged at the center of the bottom surface of the regulating box, and the output end of the motor is located inside the regulating box; the other end of the motor is embedded in the bottom plate, and a driving shaft is arranged on the output end of the motor, and a turbine is arranged at the other end of the driving shaft, and a balancing shaft is arranged on the top of the turbine, and the other end of the balancing shaft is connected to the top of the regulating box, and a bearing is arranged at the connection between the balancing shaft and the top of the regulating box, and the bottom surface of the bearing is flush with the bottom of the top surface of the regulating box.

[0009] As a preferred solution of the spraying device of a spray-type polyurethane described in the utility model, a pair of through holes are arranged on the opposite sides of the regulating box, the through hole on one side is provided with a through pipe, and the through hole on the other side is provided with an external pipe, and the external pipe passes through the side of the storage tank; a cross beam is arranged at the other end of the external pipe.

[0010] As a preferred solution of the spraying device of a spray-type polyurethane described in the utility model, the crossbeam is parallel to the bottom surface of the support seat; ventilation holes are provided at both ends of the crossbeam facing the feed pipe, and the ventilation holes are located directly above the external pipe.

[0011] As a preferred solution of the spraying device of a spray-type polyurethane described in the utility model, a magnetic limit plate is concentrically arranged on the top of the lifting rod, a limit surface is arranged on the bottom surface of the sliding tube, a lifting hole is arranged at the center of the limit surface, the size of the lifting hole is the same as the size of the lifting rod, and mounting grooves are arranged in a circular array on the top surface of the limit surface, a magnetic block is arranged inside the mounting groove, and the top surface of the magnetic block is flush with the bottom surface of the sliding tube.

[0012] As a preferred solution of the spraying device of the spray-type polyurethane described in the utility model, wherein: the edge of the magnetic limit plate coincides with the edge of the installation groove; the size of the magnetic limit plate is the same as the inner diameter of the sliding tube.

[0013] As a preferred solution of the spraying device of the spray-type polyurethane described in the utility model, the diameter of the sealing plate is the same as the inner diameter of the discharge port, the top surface of the sealing plate is flush with the top surface of the discharge port; the top of the control cone is flush with the other end of the discharge port.

[0014] Beneficial effects of the utility model:

[0015] 1. The utility model provides a spray type polyurethane spray, which is connected to each other by setting an adjustment box, a through pipe, a sliding pipe and a lifting rod, and by changing the air pressure difference in the adjustment box, the air pressure in the sliding pipe drives the lifting rod to move, thereby driving the sealing plate and the control cone to move inside the discharge port, the sealing plate realizes the opening and closing of the discharge port, and the control cone adjusts the discharge amount of the discharge port during the movement of the discharge port.

[0016] 2. The utility model provides a spraying method of spray-type polyurethane. A turbine is arranged in a regulating box. When the turbine rotates, a pressure difference is formed at both ends of the turbine inside the regulating box. The size of the pressure difference inside the regulating box is changed by changing the rotation speed of the turbine, thereby adjusting the movement distance of the control cone in the discharge port, adjusting the discharge amount, and realizing one-time spraying of polyurethane of different thicknesses.

[0017] 3. The utility model provides a spray type polyurethane spray, by setting the vent hole, after the turbine stops rotating, the outside air can be quickly replenished into the regulating box, the sealing plate is pushed back to the discharge port, and the discharge port is closed. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0019] Figure 1 This is a schematic diagram of the overall structure of a spraying device for spraying polyurethane of the utility model;

[0020] Figure 2 This is a schematic diagram of the internal structure of a spraying device for spraying polyurethane of the utility model;

[0021] Figure 3 It is a partial structural cross-sectional view of a spraying device of a spray-type polyurethane of the utility model;

[0022] Figure 4 This is a schematic diagram of the internal structure of a regulating box of a spraying device for spraying polyurethane of the utility model;

[0023] Figure 5 This is a structural schematic diagram of a lifting rod of a spraying device for spraying polyurethane of the utility model;

[0024] Figure 6 This is a schematic diagram of the internal structure of a sliding rod of a spraying device for spraying polyurethane of the utility model;

[0025] Figure 7 The utility model is a schematic diagram of the partial structure of a sliding rod of a spraying device for spraying polyurethane.

[0026] Description of reference numerals:

[0027] 1. Storage tank; 11. Bottom plate; 12. Feed pipe; 13. Discharge platform; 14. Discharge port; 2. Support seat; 21. Control line; 22. Master control handle; 3. Adjustment box; 31. Through pipe; 32. External pipe; 33. Crossbeam; 34. Vent hole; 35. Slide pipe; 36. Lifting rod; 37. Limiting surface; 38. Lifting hole; 4. Sealing plate; 41. Control cone; 5. Through hole; 6. Motor; 61. Driving shaft; 62. Turbine; 63. Balance shaft; 64. Bearing; 7. Magnetic limit plate; 8. Mounting slot; 81. Magnetic block. DETAILED DESCRIPTION

[0028] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0029] Reference Figure 1-7 , which is a spraying device for spraying polyurethane provided by the utility model, and this spraying device for spraying polyurethane comprises a storage tank 1, a bottom plate 11 is arranged at one end of the storage tank 1, and a feeding pipe 12 is connected to the other end of the storage tank 1; a discharge platform 13 is concentrically arranged at the other end of the bottom plate 11, and a discharge port 14 is arranged at the bottom of the discharge platform 13; a support seat 2 is arranged on the side of the storage tank 1; a pair of regulating boxes 3 are symmetrically arranged on the inner end of the storage tank 1 on the bottom plate 11, and a through pipe 31 is connected between the regulating boxes 3; a sealing plate 4 is arranged inside the discharge port 14, and a lifting rod 36 is arranged on the center of the circle of one end of the inner end of the discharge port 14 of the sealing plate 4, and a sliding pipe 35 is arranged above the lifting rod 36, and the other end of the sliding pipe 35 is vertically connected to the through pipe 31; a control cone 41 is arranged at the other end of the sealing plate 4.

[0030] Specifically, a bottom plate 11 is provided at one end of the storage tank 1, a feed pipe 12 is connected to the other end of the storage tank 1, a discharge platform 13 is concentrically provided at the other end of the bottom plate 11, a discharge port 14 is provided at the bottom of the discharge platform 13, polyurethane is added into the storage tank 1 through the feed pipe 12, and then spraying is achieved through the discharge platform 13 and the discharge port 14, the inner diameter of the storage tank 1 is larger than the inner diameter of the discharge platform 13, so that the polyurethane raw material can enter the discharge platform 13; a support seat 2 is provided on the side of the storage tank 1, and the side of the storage tank 1 is supported by the support seat 2; the bottom plate 11 is symmetrically provided on one end of the inner part of the storage tank 1 There is a pair of regulating boxes 3, and a through pipe 31 is connected between the regulating boxes 3, and the two regulating boxes 3 are connected through the through pipe 31; a sealing plate 4 is arranged inside the discharge port 14, and a control cone 41 is arranged at the other end of the sealing plate 4, and the opening and closing of the discharge port 14 is controlled by the sealing plate 4, and the control cone 41 controls the discharge amount of the discharge port 14; a lifting rod 36 is arranged on the center of one end of the sealing plate 4 inside the discharge port 14, and a sliding pipe 35 is arranged above the lifting rod 36, and the other end of the sliding pipe 35 is vertically connected with the through pipe 31, and the sliding pipe 35 and the lifting rod 36 are connected with the regulating box 3 through the through pipe 31.

[0031] A master control handle 22 is provided on the bottom surface of the support seat 2, one end of the support seat 2 is flush with the outer side of one end of the bottom plate 11, and the other end of the support seat 2 is flush with the outer side of the other end of the storage tank 1; a pair of control lines 21 are symmetrically provided on the bottom of one end of the support seat 2 on the same side as the feed pipe 12.

[0032] Specifically, a pair of control wires 21 are symmetrically arranged on the bottom of one end of the support seat 2 on the same side as the feed pipe 12, and a master control handle 22 is arranged on the bottom surface of the support seat 2. The control wires 21 are electrically connected to the master control handle 22 inside the support seat 2, and are electrically connected to the storage tank 1. The internal operation of the storage tank 1 is controlled by the master control handle 22.

[0033] A motor 6 is arranged at the center of the bottom surface of the regulating box 3, and the output end of the motor 6 is located inside the regulating box 3; the other end of the motor 6 is embedded in the bottom plate 11, and a driving shaft 61 is arranged on the output end of the motor 6, and a turbine 62 is arranged at the other end of the driving shaft 61, and a balancing shaft 63 is arranged on the top of the turbine 62, and the other end of the balancing shaft 63 is connected to the top of the regulating box 3, and a bearing 64 is arranged at the connection between the balancing shaft 63 and the top of the regulating box 3, and the bottom surface of the bearing 64 is flush with the bottom of the top surface of the regulating box 3.

[0034] Specifically, a motor 6 is arranged at the center of the bottom surface of the regulating box 3, and the output end of the motor 6 is located inside the regulating box 3; the other end of the motor 6 is embedded in the bottom plate 11, and the motor 6 is electrically connected to the master control handle 22, and the operation of the motor 6 is controlled by the master control handle 22; a driving shaft 61 is arranged on the output end of the motor 6, and a turbine 62 is arranged at the other end of the driving shaft 61, and a balancing shaft 63 is arranged on the top of the turbine 62, the small round end of the turbine 62 is connected to the driving shaft 61, and the large round end of the turbine 62 is connected to the balancing shaft 63, when the turbine 62 is driven to rotate by the motor 6, the rotation paths of the airflows at the two ends of the turbine 62 are different, and the turbine 62 The airflow rotation path of the large round end is greater than the airflow rotation path of the small round end of the turbine 62, and an air pressure difference is formed at both ends of the turbine 62, so that the air pressure at the bottom of the regulating box 3 is greater than the air pressure at the top of the regulating box 3; a balancing shaft 63 is arranged on the top of the turbine 62, and the other end of the balancing shaft 63 is connected to the top of the regulating box 3, and a bearing 64 is arranged at the connection between the balancing shaft 63 and the top of the regulating box 3, and the bottom surface of the bearing 64 is flush with the bottom of the top surface of the regulating box 3, the balancing shaft 63, the driving shaft 61 and the turbine 62 are coaxially arranged, and the turbine 62 is vertically installed and rotated in the regulating box 3 through the driving shaft 61, the balancing shaft 63 and the bearing 64.

[0035] A pair of through holes 5 are provided on opposite sides of the regulating box 3. A through pipe 31 is provided on one through hole 5 and an external pipe 32 is provided on the other through hole 5. The external pipe 32 passes through the side of the storage tank 1. A crossbeam 33 is provided at the other end of the external pipe 32.

[0036] Specifically, the through pipe 31 connects the two regulating boxes 3 through the through hole 5 on the opposite side of the regulating box 3; the cross beam 33 is a hollow structure, and the other ends of the two regulating boxes 3 are connected to the cross beam 33 through the through hole 5 and the external pipe 32.

[0037] The crossbeam 33 is parallel to the bottom surface of the support seat 2 ; ventilation holes 34 are provided at both ends of the crossbeam 33 facing the feed pipe 12 , and the ventilation holes 34 are located just above the external pipe 32 .

[0038] Specifically, the interior of the crossbeam 33 is connected to the outside through the vent hole 34 .

[0039] A magnetic limit plate 7 is concentrically arranged on the top of the lifting rod 36, a limit surface 37 is arranged on the bottom surface of the sliding tube 35, a lifting hole 38 is arranged at the center of the limit surface 37, the size of the lifting hole 38 is the same as that of the lifting rod 36, and a mounting groove 8 is arranged in a circular array on the top surface of the limit surface 37. A magnetic block 81 is arranged inside the mounting groove 8, and the top surface of the magnetic block 81 is flush with the bottom surface of the sliding tube 35.

[0040] Specifically, the lifting rod 36 moves inside the sliding tube 35 through the lifting hole 38 , and the lifting rod 36 is limited by the magnetic limiting plate 7 and the limiting surface 37 ; the limiting surface 37 detachably fixes the magnetic limiting plate 7 through the magnetic block 81 .

[0041] The edge of the magnetic limiting plate 7 coincides with the edge of the mounting groove 8 ; the size of the magnetic limiting plate 7 is the same as the inner diameter of the sliding tube 35 .

[0042] Specifically, the magnetic limiting plate 7 is moved inside the sliding tube 35 .

[0043] The diameter of the sealing plate 4 is the same as the inner diameter of the discharge port 14 , and the top surface of the sealing plate 4 is flush with the top surface of the discharge port 14 ; the top of the control cone 41 is flush with the other end of the discharge port 14 .

[0044] Specifically, the sealing plate 4 drives the control cone 41 to move inside the discharge port 14 , the sealing plate 4 controls the opening and closing of the discharge port 14 , and the control cone 41 moves in the discharge port 14 to change the discharge flow rate of the discharge port 14 .

[0045] During use, hold the main control handle 22 and align the discharge port 14 with the position where spraying is required. The main control handle 22 controls the motor 6 in the storage tank 1 to work, and then drives the turbine 62 to rotate. The rotation of the turbine 62 forms an air pressure difference in the internal passage of the regulating box 3. The air pressure difference drives the magnetic limit plate 7 to move inside the slide tube 35, and then the lifting rod 36 moves inside the slide tube 35. The lifting rod 36 drives the sealing plate 4 to move inside the discharge port 14 to realize the opening and closing of the discharge port 14, and the control cone 41 and the sealing plate 4 move synchronously inside the discharge port 14; as the rotation speed of the turbine 62 changes, the air pressure difference inside the regulating box 3 changes, and then the position of the control cone 41 inside the discharge port 14 is adjusted, and then the area occupied by the control cone 41 inside the discharge port 14 is changed, and the discharge amount of the discharge port 14 is changed.

[0046] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A spraying device for spraying polyurethane, comprising a storage tank (1), characterized in that: A bottom plate (11) is provided at one end of the storage tank (1), and a feed pipe (12) is connected to the other end of the storage tank (1); a discharge platform (13) is coaxially provided at the other end of the bottom plate (11), and a discharge port (14) is provided at the bottom of the discharge platform (13); a support seat (2) is provided on the side of the storage tank (1); a pair of regulating boxes (3) are symmetrically provided on the bottom plate (11) at one end inside the storage tank (1), and a through pipe (31) is connected between the regulating boxes (3); a sealing plate (4) is provided inside the discharge port (14), and a lifting rod (36) is provided on the sealing plate (4) at the center of a circle at one end inside the discharge port (14), and a sliding pipe (35) is provided above the lifting rod (36), and the other end of the sliding pipe (35) is vertically connected to the through pipe (31); and a control cone (41) is provided at the other end of the sealing plate (4).

2. A spraying device for spraying polyurethane according to claim 1, characterized in that: A master control handle (22) is provided on the bottom surface of the support seat (2); one end of the support seat (2) is flush with the outer side of one end of the bottom plate (11), and the other end of the support seat (2) is flush with the outer side of the other end of the storage tank (1); a pair of control lines (21) are symmetrically provided on the bottom of one end of the support seat (2) on the same side as the feed pipe (12).

3. A spraying device for spraying polyurethane according to claim 1, characterized in that: A motor (6) is arranged at the center of the bottom surface of the regulating box (3), and the output end of the motor (6) is located inside the regulating box (3); the other end of the motor (6) is embedded in the bottom plate (11); a driving shaft (61) is arranged at the output end of the motor (6); a turbine (62) is arranged at the other end of the driving shaft (61); a balancing shaft (63) is arranged at the top of the turbine (62); the other end of the balancing shaft (63) is connected to the top of the regulating box (3); a bearing (64) is arranged at the connection between the balancing shaft (63) and the top of the regulating box (3); the bottom surface of the bearing (64) is flush with the bottom of the top surface of the regulating box (3).

4. A spraying device for spraying polyurethane according to claim 3, characterized in that: A pair of through holes (5) are provided on opposite sides of the regulating box (3); a through pipe (31) is provided in the through hole (5) on one side, and an external pipe (32) is provided in the through hole (5) on the other side; the external pipe (32) passes through the side of the storage tank (1); and a crossbeam (33) is provided at the other end of the external pipe (32).

5. A spraying device for spraying polyurethane according to claim 4, characterized in that: The crossbeam (33) is parallel to the bottom surface of the support seat (2); ventilation holes (34) are provided at both ends of the crossbeam (33) on the side facing the feed pipe (12), and the ventilation holes (34) are located directly above the external pipe (32).

6. A spraying device for spraying polyurethane according to claim 1, characterized in that: A magnetic limiting plate (7) is concentrically arranged on the top of the lifting rod (36); a limiting surface (37) is arranged on the bottom surface of the sliding tube (35); a lifting hole (38) is arranged at the center of the limiting surface (37); the size of the lifting hole (38) is the same as that of the lifting rod (36); mounting grooves (8) are arranged in a circular array on the top surface of the limiting surface (37); a magnetic block (81) is arranged inside the mounting groove (8); and the top surface of the magnetic block (81) is flush with the bottom surface of the sliding tube (35).

7. A spraying device for spraying polyurethane according to claim 6, characterized in that: The edge of the magnetic stop plate (7) coincides with the edge of the mounting groove (8); the size of the magnetic stop plate (7) is the same as the inner diameter of the sliding tube (35).

8. The spraying device of spray-type polyurethane according to claim 1, characterized in that: The diameter of the sealing plate (4) is the same as the inner diameter of the discharge port (14); the top surface of the sealing plate (4) is flush with the top surface of the discharge port (14); and the top point of the control cone (41) is flush with the other end of the discharge port (14).

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