A pressure normal temperature paint tank

Abstract

A pressure-normal-temperature paint tank comprises a tank body, a frame base provided at the bottom of the tank body, a stirring device provided at the center of the top of the tank body, a discharge pipe provided at the bottom of the tank body, a loading pipe connected to the top of the tank body, a manhole pipe provided at the top of the tank body, a manhole cover provided at the top of the manhole pipe, an air inlet pipe joint and an air outlet pipe joint provided on the side of the manhole pipe, and fork unloading holes for forklift connection provided on the left and right sides of the frame base. The present invention can realize the function of hydraulic speed regulation and automatic stirring according to different marking operation conditions, and can pressurize the interior of the tank body through external equipment to accelerate the discharge speed; when there is external pressure equipment, pressurized automatic loading can also be performed to accelerate the loading speed; the manhole cover facilitates observation, maintenance and manual loading; and the dedicated fork unloading holes facilitate loading and unloading of paint tanks.

Description

Technical Field

[0001] The invention belongs to the technical field of road marking equipment, and in particular relates to a pressure normal temperature paint tank. Background Art

[0002] In recent years, the market demand for road marking equipment has continued to grow. During the marking process, as the workload continues to increase, the existing small material tanks have limited capacity and require constant addition and stirring. This constant addition and stirring by personnel has a certain impact on the speed of the operation, is labor-intensive, and causes uneven stirring. Summary of the Invention

[0003] In order to solve the deficiencies in the prior art, the present invention provides a pressure normal temperature paint tank with large capacity, low labor intensity, automatic stirring and high stirring uniformity.

[0004] In order to solve the above technical problems, the present invention adopts the following technical solution: a pressure normal temperature paint tank, including a tank body, a frame base is provided at the bottom of the tank body, a stirring device is provided at the center of the top of the tank body, a discharge pipe is provided at the bottom of the tank body, a feeding pipe is connected to the top of the tank body, a manhole pipe is opened on the top of the tank body, a manhole cover is provided on the top of the manhole pipe, an air inlet pipe joint and an air discharge pipe joint are provided on the side of the manhole pipe, and fork unloading holes for forklift plugging are provided on the left and right sides of the frame base.

[0005] An air intake valve is provided on the air intake pipe joint, and an air discharge valve and a pressure gauge are provided on the air discharge pipe joint.

[0006] The top of the tank body is provided with a plurality of lifting ears evenly arranged along the circumference of the tank body.

[0007] The feeding pipe extends downward along the side of the tank body to the lower part of the tank body, and a feeding quick plug connector is provided at the lower end of the feeding pipe.

[0008] The discharge pipe is tilted so that it is higher inside and lower outside, and a discharge quick-connect joint is provided at the outer end of the discharge pipe.

[0009] A limit block is provided at the bottom of the frame base.

[0010] The stirring device includes a stirring motor, a stirring shaft, a stirring blade assembly, a bearing seat and a connecting seat arranged coaxially. A mounting hole is opened in the center of the top of the tank body, the bearing seat is coaxially arranged in the mounting hole, the connecting seat is arranged on the top of the bearing seat and is fastened together with the top of the tank body, the stirring motor is arranged on the connecting seat, the outer circle of the upper end of the stirring shaft is rotatably connected to the bearing seat, the upper end of the stirring shaft is coaxially connected to the lower end of the main shaft of the stirring motor, the stirring blade assembly is arranged on the stirring shaft, and the lower end of the stirring shaft is rotatably connected to the center of the bottom of the tank body.

[0011] The connecting base includes a support tube, a connecting plate and a first flange. The connecting plate is arranged at the bottom of the support tube, a through hole is opened in the center of the connecting plate, and the first flange is coaxially arranged at the lower part of the outer circle of the support tube. A mounting groove with an open bottom is formed between the inner circle of the first flange and the lower surface of the connecting plate. The stirring motor is connected to the top of the support tube by a first bolt, and the lower end of the main shaft of the stirring motor extends into the support tube.

[0012] The bearing seat is a cylindrical structure that is transparent from top to bottom. A second flange is provided on the upper part of the outer circle of the bearing seat. The upper end of the bearing seat is assembled in the mounting groove, and the outer circle of the bearing seat is assembled in the mounting hole. The lower surface of the first flange is docked with the upper surface of the second flange, and the lower surface of the second flange is docked with the top of the tank body. The first flange and the second flange are fixedly connected to the top of the tank body by second bolts; the upper outer circle of the stirring shaft is rotatably connected to the upper port and the lower port of the bearing seat through the upper bearing and the lower bearing, and the upper end of the stirring shaft passes through the through-hole in the center of the connecting plate and extends into the supporting cylinder. A blind hole with a top opening is provided on the upper end surface of the stirring shaft, and the main shaft of the stirring motor extends into the blind hole and is spline-connected to the inner wall of the blind hole.

[0013] A spacer sleeve is provided inside the bearing seat and is sleeved on the stirring shaft. The upper and lower ends of the spacer sleeve are in contact with the inner rings of the upper bearing and the lower bearing respectively; the upper end of the outer ring of the upper bearing is in contact with the lower surface of the connecting plate; an end cover is provided on the stirring shaft and is located below the bearing seat; a first annular sealing groove is provided on the lower end surface of the bearing seat; a first sealing filler is provided in the first annular sealing groove; a pressure ring is provided on the upper surface of the end cover and extends into the first annular sealing groove to press the first sealing filler; a second annular sealing groove is provided on the upper surface of the end cover and is located on the inner side of the pressure ring; a second sealing filler is provided in the second annular sealing groove and is in contact with the lower end surface of the bearing seat;

[0014] The outer circle of the stirring shaft is provided with a pressure bearing on the upper surface of the connecting plate, and a pressure cover is provided on the upper part of the pressure bearing. The outer circle of the upper end of the stirring shaft is threadedly connected with a locking nut. Tighten the locking nut, and the locking nut presses the pressure bearing through the pressure cover. The pressure bearing presses the connecting plate, and then the end cover of the outer circle of the stirring shaft presses the second sealing filler upward, and the pressure ring presses the first sealing filler upward, thereby ensuring the sealing inside the bearing seat.

[0015] The stirring blade assembly is provided with three layers from top to bottom on the stirring shaft. Each layer of the stirring blade assembly includes a connecting sleeve and a blade. The connecting sleeve is coaxially sleeved on the stirring shaft and is fastened to the stirring shaft by screws. The blade is fixedly connected to the stirring shaft. The blades of the upper and middle layers are made of grooved plates. The length direction of the grooved plates is perpendicular to the stirring shaft. The blades of the lower layer are two arc panels with central symmetry.

[0016] Using this technical solution, before marking, the appropriate amount of material can be stored in the tank based on the project volume. When the project is large and loading is necessary, two methods can be used. The first is to quickly connect the discharge pipe of an external loading pump to the loading quick-connect fitting, forcing the pressurized material pumped by the loading pump into the tank. The second is to open the manhole cover and pour the material directly into the tank. During marking, the pressure in the tank is adjusted based on the marking line shape and speed by adjusting the air pressure at the inlet pipe fitting and the speed of the stirring device. If an external discharge pump is available, connect the discharge pump inlet to the discharge quick-connect fitting, open the discharge valve on the discharge pipe, turn on the discharge pump, open the discharge pipe, and continue to adjust the pressure in the tank according to the discharge volume to meet the construction requirements. When the paint tank needs to be replaced, it can be lifted using the lifting lugs at the top of the tank, or the paint tank can be disassembled and replaced by directly forking the forklift through the unloading hole. When the bottom of the frame base is placed on the road marking vehicle, the limit block is plugged into the groove provided on the chassis of the road marking vehicle to ensure that the tank body will not move in the horizontal direction.

[0017] During marking operations, the three-layered stirring blade assembly on the stirring shaft is adjusted based on the physical and chemical properties of the marking material. The speed of the stirring motor and the stirring shaft are adjusted to uniformly stir the rubber material to ensure optimal marking conditions. The bottom layer of the stirring blade assembly consists of two symmetrical curved panels with the blades at the center, matching the shape of the tank bottom to prevent paint from accumulating on the bottom of the tank.

[0018] The stirring device is the main innovation of the present invention. The stirring device adopts a connecting seat and a bearing seat that are connected to each other up and down and fixed to the top of the tank body by a second bolt. The stirring shaft is directly connected to the main shaft of the stirring motor by a spline, eliminating the coupling. The stirring shaft is integrally provided with an end cover, and a pressure ring is provided on the end cover. A first annular sealing groove is provided on the lower end surface of the bearing seat, and a second annular sealing groove is provided on the upper surface of the end cover. A first sealing filler and a second sealing filler are respectively provided in the first annular sealing groove and the second annular sealing groove. Under the action of the locking nut connected to the outer circle of the upper end of the stirring shaft, the pressure bearing presses against the connecting plate, pulling the stirring shaft upward. The pressure ring on the end cover and the end cover respectively squeeze the first sealing filler and the second sealing filler upward, thereby ensuring the sealing of the lower end of the bearing seat and preventing the paint from entering the bearing seat. The upper and lower bearings are deep groove ball bearings, and a spacer is provided between the upper and lower bearings to limit the axial position of the upper and lower bearings. Due to the provision of the pressure bearing, the deep groove ball bearing does not bear axial force and has a long service life.

[0019] The installation structure between the stirring motor and the connecting seat, between the connecting seat and the bearing seat, between the stirring shaft and the bearing seat, between the stirring shaft and the main shaft of the stirring motor, between the locking nut threaded on the upper end of the stirring shaft through the pressure bearing and the connecting plate, and between the stirring shaft and the stirring blade assembly are all convenient for installation and disassembly.

[0020] In summary, the present invention can realize the function of hydraulic speed regulation and automatic stirring according to different marking operation conditions, and can pressurize the inside of the tank through external equipment to accelerate the discharge speed; when there is a pressurizing device outside, pressurized automatic loading can also be performed to speed up the loading speed; the manhole cover is convenient for observation, maintenance and manual loading; the dedicated fork unloading hole facilitates the loading and unloading of paint tanks. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the present invention;

[0022] Figure 2 for Figure 1 Schematic diagram of the three-dimensional structure of the stirring device;

[0023] Figure 3 for Figure 2 Axial cross-sectional view of

[0024] Figure 4 yes Figure 3 Enlarged view of point A in the middle. DETAILED DESCRIPTION

[0025] In the description of the present invention, it should also be noted that, unless otherwise clearly specified and limited, the terms "setting", "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be a connection between the two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances. At the same time, the directions such as "front, back, left, right, up, and down" described are only for the convenience of ordinary technicians in this field to understand the technical solution, and do not limit the scope of protection of the present invention.

[0026] like Figure 1-Figure 4 As shown, a pressure normal temperature paint tank of the present invention includes a tank body 1, a frame base 2 is provided at the bottom of the tank body 1, a stirring device 3 is provided at the center of the top of the tank body 1, a discharge pipe 4 is provided at the bottom of the tank body 1, a feeding pipe 5 is connected to the top of the tank body 1, a manhole pipe 6 is opened at the top of the tank body 1, a manhole cover 7 is provided on the top of the manhole pipe 6, an air intake pipe joint 8 and an air discharge pipe joint 9 are provided on the side of the manhole pipe 6, and fork unloading holes 10 for forklift plugging are provided on the left and right sides of the frame base 2.

[0027] An air intake valve 11 is provided on the air intake pipe joint 8, and an air discharge valve 12 and a pressure gauge 13 are provided on the air discharge pipe joint 9.

[0028] The top of the tank body 1 is provided with a plurality of lifting ears 14 evenly arranged along the circumference of the tank body 1 .

[0029] The feeding pipe 5 extends downward along the side of the tank body 1 to the lower part of the tank body 1 , and a feeding quick-connect connector 15 is provided at the lower end of the feeding pipe 5 .

[0030] The discharge pipe 4 is tilted so that it is higher inside and lower outside. A discharge quick-connect connector 16 is provided at the outer end of the discharge pipe 4 .

[0031] A limiting block 17 is provided at the bottom of the frame base 2 .

[0032] The stirring device 3 includes a stirring motor 18, a stirring shaft 19, a stirring blade assembly, a bearing seat 20 and a connecting seat arranged coaxially. A mounting hole is opened in the center of the top of the tank body 1, and the bearing seat 20 is coaxially arranged in the mounting hole. The connecting seat is arranged on the top of the bearing seat 20 and is fastened together to the top of the tank body 1. The stirring motor 18 is arranged on the connecting seat, and the outer circle of the upper end of the stirring shaft 19 is rotatably connected in the bearing seat 20. The upper end of the stirring shaft 19 is coaxially connected to the lower end of the main shaft of the stirring motor 18 for transmission. The stirring blade assembly is arranged on the stirring shaft 19. A positioning column is provided at the center of the bottom of the tank body 1, and a positioning groove is provided at the lower end of the stirring shaft 19. A sleeve is interference fitted in the positioning groove. The positioning column extends into the interior of the sleeve, and the lower end of the stirring shaft 19 is rotatably connected to the positioning column at the center of the bottom of the tank body 1.

[0033] The connecting base includes a support tube 21, a connecting plate 22, and a first flange 23. The connecting plate 22 is arranged at the bottom of the support tube 21, and a through-hole is opened in the center of the connecting plate 22. The first flange 23 is coaxially arranged at the lower part of the outer circle of the support tube 21. The inner circle of the first flange 23 and the lower surface of the connecting plate form a mounting groove with an open bottom. The stirring motor 18 is connected to the top of the support tube 21 by a first bolt 24, and the lower end of the main shaft of the stirring motor 18 extends into the support tube 21.

[0034] The bearing seat 20 is a cylindrical structure that is transparent from top to bottom. A second flange 25 is provided on the upper part of the outer circle of the bearing seat 20. The upper end of the bearing seat 20 is assembled in the mounting groove, and the outer circle of the bearing seat 20 is assembled in the mounting hole. The lower surface of the first flange 23 is docked with the upper surface of the second flange 25, and the lower surface of the second flange 25 is docked with the top of the tank body 1. The first flange 23 and the second flange 25 are fixedly connected to the top of the tank body 1 together by a second bolt 26; the upper outer circle of the stirring shaft 19 is rotatably connected to the upper port and the lower port of the bearing seat 20 through the upper bearing 27 and the lower bearing 28, and the upper end of the stirring shaft 19 passes through the through-hole in the center of the connecting plate 22 and extends into the support tube 21. A blind hole with a top opening is provided on the upper end surface of the stirring shaft 19, and the main shaft of the stirring motor 18 extends into the blind hole and is splined to the inner wall of the blind hole.

[0035] A spacer sleeve 29 is provided inside the bearing seat 20 and is sleeved on the stirring shaft 19. The upper and lower ends of the spacer sleeve 29 are in contact with the inner rings of the upper bearing 27 and the lower bearing 28 respectively; the upper end of the outer ring of the upper bearing 27 is in contact with the lower surface of the connecting plate 22. The stirring shaft 19 is provided with an end cover 30 located below the bearing seat 20. The lower end surface of the bearing seat 20 is provided with a first annular sealing groove, and a first sealing filler 31 is provided in the first annular sealing groove. The upper surface of the end cover 30 is provided with a pressure ring 32 that extends into the first annular sealing groove and presses the first sealing filler 31. The upper surface of the end cover 30 is provided with a second annular sealing groove located inside the pressure ring 32. The second annular sealing groove is provided with a second sealing filler 33 that contacts the lower end surface of the bearing seat 20.

[0036] A pressure bearing 34 is provided on the outer circle of the stirring shaft 19 on the upper surface of the connecting disk 22, and a pressure cover 35 is provided on the upper part of the pressure bearing 34. A locking nut 36 is threadedly connected to the outer circle of the upper end of the stirring shaft 19. When the locking nut 36 is tightened, the locking nut 36 presses the pressure bearing 34 through the pressure cover 35. The pressure bearing 34 presses the connecting disk 22, and then the end cover 30 of the outer circle of the stirring shaft 19 presses the second sealing filler 33 upward, and the pressure ring 32 presses the first sealing filler 31 upward, thereby ensuring the sealing inside the bearing seat 20.

[0037] The stirring blade assembly is provided with three layers from top to bottom on the stirring shaft 19. Each layer of the stirring blade assembly includes a connecting sleeve 37 and a blade 38. The connecting sleeve 37 is coaxially sleeved on the stirring shaft 19 and is fastened to the stirring shaft 19 by screws 39. The blade 38 is fixedly connected to the stirring shaft 19. The blades 38 of the upper and middle layers are made of grooved plates, and the length direction of the grooved plates is perpendicular to the stirring shaft 19. The blades 38 of the lower layer are two centrally symmetrical arc panels.

[0038] Before marking, the appropriate amount of material can be stored in tank 1 based on the project's workload. For larger projects, loading can be performed in two ways: first, by quickly connecting the discharge pipe 4 of an external loading pump to the quick-connect coupling 15, pressurizing the pressurized material pumped by the pump into tank 1. Second, by opening the manhole cover 7 and pouring the material directly into tank 1. During marking, the pressure within tank 1 is adjusted by adjusting the inlet pressure of the inlet pipe coupling 8 and the speed of the stirring device 3, depending on the marking line shape and speed. If an external discharge pump is available, connect the discharge pump inlet to the quick-connect coupling 16, open the discharge valve of the discharge pipe 4, turn on the pump, and then open the discharge pipe 4. Continue adjusting the pressure within the tank to ensure the discharge volume meets the construction requirements. When replacing the paint tank, it can be lifted using the lifting lugs 14 at the top of the tank 1, or the paint tank can be disassembled and replaced by directly forking the unloading hole 10 with a forklift. When the bottom of the frame base 2 is placed on the road marking vehicle, the limit block 17 is plugged into the groove provided on the chassis of the road marking vehicle to ensure that the tank body 1 will not move in the horizontal direction.

[0039] During marking operations, the speed of stirring motor 18 and stirring shaft 19 is adjusted according to the physical and chemical properties of the marking material. The three-layer stirring blade assembly on stirring shaft 19 uniformly stirs the rubber material to ensure optimal marking conditions. The bottom layer of the stirring blade assembly consists of two symmetrical curved panels centered around blade 38, matching the shape of the bottom of tank 1 to prevent paint from accumulating on the bottom of tank 1.

[0040] The stirring device 3 is the main innovation of the present invention. The stirring device 3 adopts a connecting seat and a bearing seat 20 to be connected up and down and fixedly connected to the top of the tank body 1 by a second bolt 26. The stirring shaft 19 is directly connected to the main shaft of the stirring motor 18 by a spline, eliminating the coupling. An end cover 30 is integrally provided on the stirring shaft 19, and a pressure ring 32 is provided on the end cover 30. A first annular sealing groove is provided on the lower end face of the bearing seat 20, and a second annular sealing groove is provided on the upper surface of the end cover 30. A first sealing filler 31 and a second sealing filler 33 are respectively provided in the first annular sealing groove and the second annular sealing groove. Under the action of the locking nut 36 connected to the outer circle thread of the upper end of the stirring shaft 19, the pressure bearing 34 is pressed on the connecting disk 22, pulling the stirring shaft 19 upward. The pressure ring 32 on the end cover 30 and the end cover 30 respectively squeeze the first sealing filler 31 and the second sealing filler 33 upward, thereby ensuring the sealing of the lower end of the bearing seat 20 and preventing the paint from entering the bearing seat 20. The upper and lower bearings 27 and 28 are deep groove ball bearings, with a spacer 29 positioned between them to define their axial positions. The pressure bearing 34 protects the deep groove ball bearings from axial forces, extending their service life. The connecting plate 22 also absorbs the weight of the agitator shaft 19 and the agitator blade assembly, preventing pressure buildup between the lower end of the agitator shaft 19 and the bottom of the tank 1.

[0041] The structures between the stirring motor 18 and the connecting seat, between the connecting seat and the bearing seat 20, between the stirring shaft 19 and the bearing seat 20, between the stirring shaft 19 and the main shaft of the stirring motor 18, between the locking nut 36 threadedly connected to the upper end of the stirring shaft 19 through the pressure bearing 34 and the connecting plate 22, and between the stirring shaft 19 and the stirring blade assembly are all convenient for installation and disassembly.

[0042] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A pressure and normal temperature paint tank, comprising a tank body, a frame base provided at the bottom of the tank body, characterized in that: There is a stirring device at the center of the top of the tank, a discharge pipe at the bottom of the tank, a feeding pipe connected to the top of the tank, a manhole pipe at the top of the tank, a manhole cover at the top of the manhole pipe, an air inlet pipe joint and an air discharge pipe joint at the side of the manhole pipe, and fork unloading holes for forklift insertion on the left and right sides of the frame base; The stirring device includes a stirring motor, a stirring shaft, a stirring blade assembly, a bearing seat and a connecting seat arranged on the same center line. A mounting hole is opened in the center of the top of the tank body. The bearing seat is coaxially arranged in the mounting hole. The connecting seat is arranged on the top of the bearing seat and is fastened together with the top of the tank body. The stirring motor is arranged on the connecting seat. The outer circle of the upper end of the stirring shaft is rotatably connected to the bearing seat. The upper end of the stirring shaft is coaxially connected to the lower end of the main shaft of the stirring motor. The stirring blade assembly is arranged on the stirring shaft, and the lower end of the stirring shaft is rotatably connected to the center of the bottom of the tank body. The connecting base includes a support tube, a connecting plate and a first flange. The connecting plate is arranged at the bottom of the support tube, a through hole is opened in the center of the connecting plate, and the first flange is coaxially arranged at the lower part of the outer circle of the support tube. A mounting groove with an open bottom is formed between the inner circle of the first flange and the lower surface of the connecting plate. The stirring motor is connected to the top of the support tube by a first bolt, and the lower end of the main shaft of the stirring motor extends into the support tube. The bearing seat is a cylindrical structure that is transparent from top to bottom. A second flange is provided on the upper part of the outer circle of the bearing seat. The upper end of the bearing seat is assembled in the mounting groove, and the outer circle of the bearing seat is assembled in the mounting hole. The lower surface of the first flange is connected to the upper surface of the second flange, and the lower surface of the second flange is connected to the top of the tank body. The first flange and the second flange are fixedly connected to the top of the tank body by second bolts; the upper outer circle of the stirring shaft is rotatably connected to the upper port and the lower port of the bearing seat through the upper bearing and the lower bearing, the upper end of the stirring shaft passes through the through-hole in the center of the connecting plate and extends into the supporting cylinder, and a blind hole with a top opening is provided on the upper end surface of the stirring shaft. The main shaft of the stirring motor extends into the blind hole and is spline-connected to the inner wall of the blind hole; A spacer sleeve is provided inside the bearing seat and is sleeved on the stirring shaft. The upper and lower ends of the spacer sleeve are in contact with the inner rings of the upper bearing and the lower bearing respectively; the upper end of the outer ring of the upper bearing is in contact with the lower surface of the connecting plate; an end cover is provided on the stirring shaft and is located below the bearing seat; a first annular sealing groove is provided on the lower end surface of the bearing seat; a first sealing filler is provided in the first annular sealing groove; a pressure ring is provided on the upper surface of the end cover and extends into the first annular sealing groove to press the first sealing filler; a second annular sealing groove is provided on the upper surface of the end cover and is located on the inner side of the pressure ring; a second sealing filler is provided in the second annular sealing groove and is in contact with the lower end surface of the bearing seat; The outer circle of the stirring shaft is provided with a pressure bearing on the upper surface of the connecting plate, and a pressure cover is provided on the upper part of the pressure bearing. The outer circle of the upper end of the stirring shaft is threadedly connected with a locking nut. When the locking nut is tightened, the locking nut presses the pressure bearing through the pressure cover, and the pressure bearing presses the connecting plate, thereby causing the end cover of the outer circle of the stirring shaft to press the second sealing packing upward, and the pressure ring to press the first sealing packing upward, thereby ensuring the sealing inside the bearing seat; The stirring blade assembly is provided with three layers from top to bottom on the stirring shaft. Each layer of the stirring blade assembly includes a connecting sleeve and a blade. The connecting sleeve is coaxially sleeved on the stirring shaft and is fastened to the stirring shaft by screws. The blade is fixedly connected to the stirring shaft. The blades of the upper and middle layers are made of grooved plates. The length direction of the grooved plates is perpendicular to the stirring shaft. The blades of the lower layer are two arc plates with central symmetry. The discharge pipe is tilted with the inside higher and the outside lower, and a quick-connect discharge connector is provided at the outer end of the discharge pipe; A limit block is provided at the bottom of the frame base.

2. The pressure-normal-temperature coating tank according to claim 1, characterized in that: An air intake valve is provided on the air intake pipe joint, and an air discharge valve and a pressure gauge are provided on the air discharge pipe joint.

3. The pressure-normal-temperature coating tank according to claim 1, characterized in that: The top of the tank body is provided with a plurality of lifting ears evenly arranged along the circumference of the tank body.

4. The pressure-normal-temperature coating tank according to claim 1, characterized in that: The feeding pipe extends downward along the side of the tank body to the lower part of the tank body, and a feeding quick plug connector is provided at the lower end of the feeding pipe.

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