Coating pump truck

Abstract

The utility model discloses a coating pump truck, and belongs to the technical field of coating production, the coating pump truck comprises a base, driving wheels are arranged at four corners of the bottom end of the base, a handrail is fixedly mounted on one side of the base, two symmetrically distributed grooves are formed in the bottom end of the base, a supporting assembly is arranged below the base, and a barrel body is fixedly mounted at the top end of the base; a feeding pump and a discharging pump which are symmetrically distributed are fixedly installed at the top end of the base, a feeding pipe is arranged between the feeding pump and the barrel body, one end of the discharging pump is communicated with the side wall of the lower section of the barrel body, the other end of the feeding pump is connected with a filter cartridge, and a connecting pipe is fixedly installed on the side, away from the feeding pump, of the filter cartridge; and an opening is formed in the side wall of the filter cartridge. Through the arrangement of the supporting assemblies, the effect of supporting and stabilizing the equipment is achieved, and through the arrangement of the damping assemblies between the air cylinders and the supporting plates in the same set, the damping and buffering effects are achieved, and the use stability of the equipment can be kept easily.

Description

Technical Field

[0001] This application relates to the technical field of paint production, and more specifically, to a paint pump truck. Background Art

[0002] Paint, known as paint in traditional Chinese, is a viscous liquid that is coated on the surface of an object to be protected or decorated and can form a continuous film firmly attached to the object to be painted. It is usually based on resin, oil, or emulsion, with or without pigments and fillers, and corresponding additives, and is prepared with organic solvents or water. Currently, when adding raw materials to a paint mixing tank, the paint pump used is very inconvenient to transport. Basically, several workers need to carry it over together to achieve the purpose. This primitive transportation method is very wasteful of manpower and material resources and also reduces the work efficiency.

[0003] The patent with the application number 202121333143.6 discloses a paint pump truck, which includes a vehicle body, wheels provided at the bottom of the vehicle body, a push handle provided on the side wall of the vehicle body, and a temporary storage bucket provided on the top surface of the vehicle body. The side wall of the temporary storage bucket is provided with a feed pipe and a discharge pipe. A feed pump is connected in series on the feed pipe, and a discharge pump is connected in series on the discharge pipe. The feed pump and the discharge pump are both fixedly provided on the top surface of the vehicle body. The paint pump truck of this application can improve the efficiency of raw material transfer during the paint production process, save a lot of manpower, and is easy to use.

[0004] In view of the above related technologies, through the setting of wheels and shock pads, it is convenient for workers to move the equipment stably. When the equipment is not provided with a structure for fixing the wheels, vibrations may occur when the feed pump and the discharge pump are running, which may cause the wheels to slide and displace the equipment, reducing the stability of the equipment during use. Summary of the Utility Model

[0005] In order to solve the above problems, this application provides a paint pump truck, adopting the following technical solutions:

[0006] A paint pump truck includes a base. Driving wheels are provided at the four corners of the bottom end of the base. An armrest is fixedly installed on one side of the base. Two symmetrically distributed grooves are opened at the bottom end of the base. A support assembly is provided below the base. A barrel is fixedly installed at the top end of the base. Feed pumps and discharge pumps are fixedly installed symmetrically at the top end of the base. A feed pipe is provided between the feed pump and the barrel. One end of the discharge pump communicates with the side wall of the lower section of the barrel. The other end of the feed pump is connected to a filter cylinder. A connecting pipe is fixedly installed on the side of the filter cylinder away from the feed pump. An opening is provided on the side wall of the filter cylinder. A sealing cover is hinged to the opening. The sealing cover and the filter cylinder are fixed by bolts and nuts. A filtering assembly is provided inside the filter cylinder. A stirring assembly is provided inside the barrel.

[0007] By adopting the above technical solution, when the device is in use, the staff can drive the device to move through the driving wheels, which is beneficial to improving the convenience of the device movement. When the device moves to the corresponding position, the base is driven to rise through the support component, so that the driving wheels are separated from the ground, which can play a role in supporting and stabilizing the device and is beneficial to maintaining the stability of the device during use. After the device is fixed, the material is pumped by the feed pump, and the material enters the filter cylinder. Through the setting of the filter component in the filter cylinder, the impurities in the material can be filtered. The filtered material enters the barrel through the feed pipe. Through the setting of the stirring component in the barrel, the material can be preliminarily mixed. Subsequently, the preliminarily mixed material is transported to the inside of the next processing device by the discharge pump.

[0008] The side wall of the filter cylinder is provided with an opening, and a sealing cover is arranged in the opening, which plays a role in sealing the filter cylinder, facilitating the subsequent material transportation of the device. The sealing cover and the filter cylinder are fixed by bolts and nuts, and it is convenient for the staff to open the sealing cover, and then it is convenient for the staff to disassemble and clean the filter component, which is beneficial to maintaining the filtering effect of the device.

[0009] Furthermore, the support component includes two support plates arranged below the base. Two symmetrically distributed cylinders are fixedly installed on the inner walls of the tops of the two grooves. A shock absorption component is arranged between the end parts of the piston shafts of the two cylinders in the same group and the support plates on the same side. Two symmetrically distributed stabilizing plates are fixedly installed on both sides of each support plate. Anti-slip pads are fixedly installed at the bottoms of the support plates and stabilizing plates in the same group.

[0010] By adopting the above technical solution, when the device moves to a suitable location, the cylinders drive the support plates and stabilizing plates in the same group to descend synchronously, so that the support plates and stabilizing plates contact the ground, and then the driving wheels are separated from the ground, which can play a role in supporting and stabilizing the device. And a shock absorption component is arranged between the cylinders and the support plates, which can play a role in shock absorption and buffering, and is beneficial to maintaining the stability of the base and the barrel during use.

[0011] Furthermore, the shock absorption component includes a retaining disc fixedly installed at the end part of the piston shaft of the cylinder. Shock absorbers are fixedly installed at the bottoms of the retaining discs. Springs are sleeved on the side walls of the telescopic shafts of the shock absorbers. The end parts of the telescopic shafts of the two shock absorbers in the same group are fixedly connected to the top of the support plate on the same side.

[0012] By adopting the above technical solution, when the cylinder drives the support plate to descend, the cylinder drives the shock absorbers and springs in the same group to descend synchronously. When the feed pump and the discharge pump are operating, vibrations may be generated. The spring absorbs the vibration force, and then the shock absorber offsets the rebound force generated by the spring in the same group, achieving the effect of shock absorption and buffering, which is beneficial to maintaining the stability of the device during use.

[0013] Furthermore, the filtering component includes a filter screen slidably installed in the filtering cylinder. Two symmetrically distributed positioning blocks are fixedly installed on the side wall of the filter screen. Positioning grooves matching the positioning blocks on the same side are formed on the inner wall of the sealing cover and the inner wall of the filtering cylinder. A rubber ring is fixedly sleeved outside the filter screen, and a cleaning component is arranged on the side wall of the filter screen.

[0014] By adopting the above technical solution, the staff slides the filter screen into the filtering cylinder. Subsequently, the staff flips the sealing cover so that the positioning blocks installed on the side wall of the filter screen are engaged with the positioning grooves formed on the inner wall of the filtering cylinder and the inner wall of the sealing cover, which can play a role in positioning and fixing the filter screen. Moreover, due to the setting of the rubber ring outside the filter screen, it is beneficial to increase the sealing performance between the filter screen and the inner walls of the sealing cover and the filtering cylinder after they are engaged, facilitating the filtering and conveying of materials, helping to maintain the cleanliness of the materials. In addition, a cleaning component is arranged on the side wall of the filter screen, which can play a role in cleaning the filter screen, beneficial to maintaining the permeability of the sieve holes of the filter screen and the filtering effect of the equipment.

[0015] Furthermore, the cleaning component includes a protective box fixedly installed on the side close to the feed pump. A second reduction motor is fixedly installed in the protective box, and the end of the output shaft of the second reduction motor is fixedly connected with a rotating rod. The rotating rod penetrates through the filter screen at the end far from the second reduction motor, and two symmetrically distributed brush plates are fixedly installed on the side wall of the rotating rod at the end penetrating through the filter screen.

[0016] By adopting the above technical solution, the second reduction motor drives the rotating rod to rotate, and the rotating rod drives the two brush plates to rotate synchronously. The two brush plates rotate on the opposite sides of the filter screen, playing a role in cleaning the filter screen, beneficial to maintaining the permeability of the sieve holes of the filter screen and the filtering effect of the equipment.

[0017] Furthermore, a sealing gasket is fixedly installed on the side wall of the sealing cover, and two symmetrically distributed insertion rods are fixedly installed at the bottom of one side of the sealing cover. Insertion slots matching the insertion rods are formed at the top of the opening.

[0018] By adopting the above technical solution, due to the setting of the sealing gasket on the side wall of the sealing cover, it is beneficial to increase the sealing performance between the sealing cover and the opening. Due to the setting of the insertion rods on the side wall of the sealing cover, when the staff flips the sealing cover, the insertion rods installed on the side wall of the sealing cover are engaged with the insertion slots formed at the top of the opening, which can play a role in positioning and fixing the sealing cover, beneficial to maintaining the accuracy of the fit between the sealing cover and the opening.

[0019] Furthermore, the stirring assembly includes a support rod rotatably installed on the inner wall of the top end of the barrel body. A plurality of scraping plates are arranged on the side wall of the support rod in a circular array distribution. And a plurality of first stirring plates are fixedly installed between the scraping plates and the support rod in a linear array distribution. A connecting rod is fixedly installed between two adjacent first stirring plates in the same group in a linear distribution. And a second stirring plate is rotatably sleeved on the side wall of the connecting rod. The cross section of the second stirring plate is in a "cross" shape. An installation box is fixedly installed at the top end of the barrel body. And a first reduction motor is fixedly installed in the installation box. The top end of the support rod penetrates through the installation box and is fixedly connected to the end of the output shaft of the first reduction motor.

[0020] By adopting the above technical solution, the first reduction motor drives the support rod to rotate. The support rod drives the first stirring plate, the scraping plate and the second stirring plate to rotate synchronously. Through the cooperation of the first stirring plate, the scraping plate and the second stirring plate, the material in the barrel body can be preliminarily stirred, which is beneficial to improving the processing efficiency of the coating.

[0021] To sum up, the present application includes the following beneficial technical effects:

[0022] (1) In the present application, through the setting of the support assembly, the equipment can be stably supported. And through the setting of the shock absorption assembly between the air cylinder and the same group of support plates, the shock absorption and buffering effects are achieved, which is beneficial to maintaining the stability of the equipment during use.

[0023] (2) In the present application, through the setting of the filter screen, the impurities in the coating can be filtered. And through the setting of the cleaning assembly, the filter screen can be cleaned, which is beneficial to maintaining the permeability of the sieve holes of the filter screen. Furthermore, it is beneficial to maintaining the filtering effect of the equipment. The side wall of the filter cylinder is provided with an opening, and the opening is provided with a sealing cover to block the opening. The staff can open the sealing cover, which is convenient for the staff to disassemble and clean the filter screen and clean the impurities in the filter cylinder.

[0024] (3) In the present application, through the setting of the stirring assembly, the coating in the barrel body can be stirred, and the coating can be preliminarily mixed, which is beneficial to improving the processing efficiency of the coating. Description of the Drawings

[0025] Figure 1 It is a structural schematic diagram of a coating pump truck from the first perspective;

[0026] Figure 2 For the present application Figure 1 The enlarged view of A in;

[0027] Figure 3 For the present application Figure 1 The enlarged view of B in;

[0028] Figure 4It is a schematic diagram of the second perspective of this application;

[0029] Figure 5 This application Figure 4 is an enlarged view of C in it;

[0030] Figure 6 is a sectional view of this application;

[0031] Figure 7 This application Figure 6 is an enlarged view of D in it;

[0032] Figure 8 is an exploded view of the stirring assembly in this application.

[0033] Explanation of the reference numerals in the figure:

[0034] 1. Base; 2. Armrest; 3. Filter cartridge; 4. Feed pump; 5. Feed pipe; 6. Barrel body; 7. Installation box; 8. Discharge pump; 9. Cylinder; 10. Support plate; 11. Sealing cover; 12. Filter screen; 13. Protection box; 14. Positioning block; 15. Baffle plate; 16. Shock absorber; 17. Spring; 18. Brush plate; 19. Rotating rod; 20. Opening; 21. Groove; 22. First reduction motor; 23. Support rod; 24. First stirring plate; 25. Scraper; 26. Second reduction motor; 27. Connecting rod; 28. Second stirring plate. Detailed implementation manners

[0035] Next, the technical solutions in the embodiments of this application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of this application; obviously, the described embodiments are only a part of the embodiments of this application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of this application.

[0036] In the description of this application, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "top / bottom end", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing this application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to this application. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0037] In the description of the present application, it should be noted that unless otherwise clearly specified and limited, terms such as "installation", "equipped with", "sheathed / connected", "connection", etc. should be understood in a broad sense. For example, "connection" 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 directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific situations.

[0038] The following will further elaborate on the present application in conjunction with the Figure 1-8 accompanying drawings.

[0039] Please refer to Figure 1-8 , a coating pump truck, including a base 1. Driving wheels are provided at the four corners of the bottom end of the base 1. A handrail 2 is fixedly installed on one side of the base 1. Two symmetrically distributed grooves 21 are opened at the bottom end of the base 1. A support assembly is provided below the base 1. The support assembly includes two support plates 10 arranged below the base 1. Two symmetrically distributed cylinders 9 are fixedly installed on the inner walls of the top ends of the two grooves 21. A shock absorption assembly is provided between the end portions of the piston shafts of the two cylinders 9 in the same group and the support plates 10 in the same group. Two symmetrically distributed stabilizing plates are fixedly installed on both sides of the support plates 10. Anti-slip pads are fixedly installed at the bottom ends of the support plates 10 and the stabilizing plates in the same group. The shock absorption assembly includes a retaining disc 15 fixedly installed at the end portion of the piston shaft of the cylinder 9. Shock absorbers 16 are fixedly installed at the bottom ends of the retaining discs 15. Springs 17 are sleeved on the side walls of the telescopic shafts of the shock absorbers 16. The end portions of the telescopic shafts of the two shock absorbers 16 in the same group are fixedly connected to the top ends of the support plates 10 on the same side.

[0040] When the equipment is in use, the staff can drive the equipment to move through the driving wheels, which is beneficial to improving the convenience of equipment movement. When the equipment moves to the corresponding position, the cylinders 9 are used to drive the support plates 10 and the stabilizing plates in the same group to descend synchronously, so that the support plates 10 and the stabilizing plates contact the ground, and then the driving wheels are separated from the ground, which can play a role in supporting and stabilizing the equipment. When the cylinders 9 drive the support plates 10 to descend, the cylinders 9 drive the shock absorbers 16 and the springs 17 in the same group to descend synchronously. When the feeding pump 4 and the discharging pump 8 are operating, vibrations may occur. The spring 17 absorbs the vibration force, and then the shock absorber 16 offsets the rebound force generated by the spring 17 in the same group, achieving the effect of shock absorption and buffering, which is beneficial to maintaining the stability of equipment use.

[0041] A barrel body 6 is fixedly installed at the top end of a base 1. Feed pumps 4 and a discharge pump 8 which are symmetrically distributed are fixedly installed at the top end of the base 1. A feed pipe 5 is provided between the feed pump 4 and the barrel body 6. One end of the discharge pump 8 communicates with the side wall of the lower section of the barrel body 6. The other end of the feed pump 4 is connected to a filter cartridge 3. A connecting pipe is fixedly installed on the side of the filter cartridge 3 away from the feed pump 4. An opening 20 is formed in the side wall of the filter cartridge 3. A sealing cover 11 is hinged to the opening 20. The sealing cover 11 and the filter cartridge 3 are fixed by bolts and nuts. A filter assembly is arranged in the filter cartridge 3. The filter assembly includes a filter screen 12 slidably installed in the filter cartridge 3. Two symmetrically distributed positioning blocks 14 are fixedly installed on the side wall of the filter screen 12. Positioning grooves matching the positioning blocks 14 on the same side are formed in the inner walls of the sealing cover 11 and the filter cartridge 3. A rubber ring is fixedly sleeved outside the filter screen 12.

[0042] After the equipment is positioned, the staff slides the filter screen 12 into the filter cartridge 3. Then, the staff flips the sealing cover 11 so that the positioning blocks 14 installed on the side wall of the filter screen 12 are engaged with the positioning grooves formed in the inner walls of the filter cartridge 3 and the sealing cover 11, which can play a role in positioning and fixing the filter screen 12. And due to the arrangement of the rubber ring outside the filter screen 12, it is beneficial to increase the sealing performance between the filter screen 12 and the inner walls after the filter screen 12 and the sealing cover 11 and the filter cartridge 3 are engaged. A sealing gasket is fixedly installed on the side wall of the sealing cover 11. Two symmetrically distributed insertion rods are fixedly installed at the bottom of one side of the sealing cover 11. A slot matching the insertion rods is formed at the top of the opening 20. And due to the arrangement of the sealing gasket on the side wall of the sealing cover 11, it is beneficial to increase the sealing performance of the engagement between the sealing cover 11 and the opening 20. Due to the arrangement of the insertion rods on the side wall of the sealing cover 11, when the staff flips the sealing cover 11, the insertion rods installed on the side wall of the sealing cover 11 are engaged with the slots formed at the top of the opening 20, which can play a role in positioning and fixing the sealing cover 11 and is beneficial to maintaining the accuracy of the fit between the sealing cover 11 and the opening 20. The material is pumped through the feed pump 4, and the material enters the filter cartridge 3. Through the arrangement of the filter screen 12 in the filter cartridge 3, the filter screen 12 plays a role in filtering impurities in the material. The filtered material enters the barrel body 6 through the feed pipe 5.

[0043] A cleaning component is arranged on the side wall of the filter screen 12. The cleaning component includes a protective box 13 fixedly installed on the side close to the feed pump 4. A second reduction motor 26 is fixedly installed in the protective box 13. The end of the output shaft of the second reduction motor 26 is fixedly connected to a rotating rod 19. One end of the rotating rod 19 away from the second reduction motor 26 penetrates through the filter screen 12. Two symmetrically distributed brush plates 18 are fixedly installed on the side wall of the end of the rotating rod 19 penetrating through the filter screen 12. When the filter screen 12 filters the material, the second reduction motor 26 drives the rotating rod 19 to rotate, and the rotating rod 19 drives the two brush plates 18 to rotate synchronously. The two brush plates 18 rotate on the opposite sides of the filter screen 12, which plays a role in cleaning the filter screen 12, is beneficial to maintaining the permeability of the sieve holes of the filter screen 12, and is beneficial to maintaining the filtering effect of the equipment.

[0044] A stirring assembly is provided inside the barrel body 6. The stirring assembly includes a support rod 23 rotatably installed on the inner wall of the top end of the barrel body 6. A plurality of scraping plates 25 are arranged on the side wall of the support rod 23 in an annular array. And a first stirring plate 24 arranged in a linear array is fixedly installed between the scraping plate 25 and the support rod 23. A connecting rod 27 arranged in a linear distribution is fixedly installed between two adjacent first stirring plates 24 in the same group. And a second stirring plate 28 is rotatably sleeved on the side wall of the connecting rod 27. The cross section of the second stirring plate 28 is in the shape of a cross. An installation box 7 is fixedly installed at the top end of the barrel body 6. And a first reduction motor 22 is fixedly installed inside the installation box 7. The top end of the support rod 23 penetrates through the installation box 7 and is fixedly connected to the end of the output shaft of the first reduction motor 22. By driving the support rod 23 to rotate through the first reduction motor 22, the support rod 23 drives the first stirring plate 24, the scraping plate 25 and the second stirring plate 28 to rotate synchronously. Through the cooperation of the first stirring plate 24, the scraping plate 25 and the second stirring plate 28, the material inside the barrel body 6 can be initially stirred, which is beneficial to improving the processing efficiency of the coating.

[0045] The implementation principle of the embodiment of this application is as follows: When the device is in use, the staff can drive the device to move through the driving wheel, which is beneficial to improving the convenience of the device movement. When the device moves to the corresponding position, the base 1 is lifted by the support assembly, and then the driving wheel is separated from the ground, which can play a role in supporting and stabilizing the device and is beneficial to maintaining the stability of the device during use. When the device is fixed, the material is pumped by the feeding pump 4. The material enters the filtering cylinder 3. Through the setting of the filtering assembly inside the filtering cylinder 3, the impurities in the material are filtered. The filtered material enters the barrel body 6 through the feeding pipe 5. Through the setting of the stirring assembly inside the barrel body 6, the material is initially mixed. Subsequently, the initially mixed material is conveyed to the inside of the next processing device by the discharging pump 8.

[0046] Through the setting of the opening 20 on the side wall of the filtering cylinder 3, and a sealing cover 11 is arranged inside the opening 20, which plays a role in sealing the filtering cylinder 3 and is convenient for the device to convey the material subsequently. And the sealing cover 11 and the filtering cylinder 3 are fixed by bolts and nuts, and it is convenient for the staff to open the sealing cover 11, and then it is convenient for the staff to disassemble and clean the filtering assembly, which is beneficial to maintaining the filtering effect of the device.

[0047] The above are all the preferred embodiments of this application. It does not limit the protection scope of this application accordingly. Therefore, all equivalent changes made according to the structure, shape and principle of this application should be covered within the protection scope of this application.

Claims

1. A coating pump truck, comprising a base (1), characterized in that: Four driving wheels are provided at the four corners of the bottom end of the base (1). An armrest (2) is fixedly installed on one side of the base (1). Two symmetrically distributed grooves (21) are formed in the bottom end of the base (1). A support assembly is provided below the base (1). A barrel (6) is fixedly installed at the top end of the base (1). A symmetrically distributed feed pump (4) and a discharge pump (8) are fixedly installed at the top end of the base (1). A feed pipe (5) is provided between the feed pump (4) and the barrel (6). One end of the discharge pump (8) is communicated with the side wall of the lower section of the barrel (6). The other end of the feed pump (4) is connected to a filter cartridge (3). A connecting pipe is fixedly installed on the side of the filter cartridge (3) away from the feed pump (4). An opening (20) is formed in the side wall of the filter cartridge (3). A sealing cover (11) is hinged to the opening (20). The sealing cover (11) and the filter cartridge (3) are fixed by bolts and nuts. A filtering assembly is provided in the filter cartridge (3). A stirring assembly is provided in the barrel (6).

2. The paint pump truck according to claim 1, wherein: The support assembly includes two support plates (10) arranged below the base (1). Two symmetrically distributed cylinders (9) are fixedly installed on the inner walls of the top ends of the two grooves (21). A shock absorption assembly is provided between the end parts of the piston shafts of the two cylinders (9) in the same group and the support plates (10) in the same group. Two symmetrically distributed stabilizing plates are fixedly installed on both sides of the support plates (10). Anti-slip pads are fixedly installed at the bottom ends of the support plates (10) and the stabilizing plates in the same group.

3. The paint pump truck according to claim 2, characterized in that: The shock absorption assembly includes a retaining disc (15) fixedly installed at the end part of the piston shaft of the cylinder (9). Shock absorbers (16) are fixedly installed at the bottom ends of the retaining discs (15). Springs (17) are sleeved on the side walls of the telescopic shafts of the shock absorbers (16). The end parts of the telescopic shafts of the two shock absorbers (16) in the same group are fixedly connected to the top ends of the support plates (10) on the same side.

4. A paint pump truck according to claim 1, wherein: The filtering assembly includes a filter screen (12) slidably installed in the filter cartridge (3). Two symmetrically distributed positioning blocks (14) are fixedly installed on the side wall of the filter screen (12). Positioning grooves matching the positioning blocks (14) on the same side are formed in the inner walls of the sealing cover (11) and the filter cartridge (3). A rubber ring is fixedly sleeved on the outer side of the filter screen (12). A cleaning assembly is provided on the side wall of the filter screen (12).

5. The paint pump truck according to claim 4, characterized in that: The cleaning assembly includes a protective box (13) fixedly installed on the side close to the feed pump (4). A second reduction motor (26) is fixedly installed in the protective box (13). A rotating rod (19) is fixedly connected to the end part of the output shaft of the second reduction motor (26). One end of the rotating rod (19) away from the second reduction motor (26) penetrates through the filter screen (12). Two symmetrically distributed brush plates (18) are fixedly installed on the side wall of the end of the rotating rod (19) penetrating through the filter screen (12).

6. The paint pump truck according to claim 1, characterized in that: A sealing gasket is fixedly installed on the side wall of the sealing cover (11). Two symmetrically distributed insertion rods are fixedly installed at the bottom of one side of the sealing cover (11). Insertion slots matching the insertion rods are formed at the top of the opening (20).

7. A paint pump truck according to claim 1, characterized in that: The stirring assembly includes a support rod (23) rotatably installed on the inner wall of the top end of the barrel body (6). A plurality of scraping plates (25) are arranged on the side wall of the support rod (23) in an annular array. And a first stirring plate (24) arranged in a linear array is fixedly installed between the scraping plate (25) and the support rod (23). A connecting rod (27) arranged in a linear distribution is fixedly installed between two adjacent first stirring plates (24) in the same group. And a second stirring plate (28) is rotatably sleeved on the side wall of the connecting rod (27). The cross section of the second stirring plate (28) is "cross" shaped. An installation box (7) is fixedly installed at the top end of the barrel body (6). And a first reduction motor (22) is fixedly installed in the installation box (7). The top end of the support rod (23) penetrates through to the installation box (7) and is fixedly connected with the end part of the output shaft of the first reduction motor (22).

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