Spraying device for polypropylene plastic pipe processing and spraying method thereof

Abstract

The invention relates to the technical field of spraying devices, in particular to a spraying device for polypropylene plastic pipe processing and a spraying method thereof, and the spraying device comprises a fixed seat, a polishing mechanism, a cleaning mechanism, a wiping mechanism and an extrusion mechanism. The grinding disc is driven by the rotating column to rotate in the pipeline, the inner wall of the pipeline can be continuously ground through the high grinding head, burrs and other consolidated impurities existing on the inner wall of the pipeline can be effectively treated, the cleanliness of the inner wall of the pipeline is guaranteed, the connecting box and wiping cotton are driven by the connecting disc to rotate in the pipeline, and the inner wall of the pipeline is cleaned. The inner wall of the pipeline cleaned by the cleaning wheel can be wiped and dried, a driver drives a guide wheel to rotate, two connecting wheels can be driven to rotate through a belt, so that an extrusion wheel is driven to rotate, wiping cotton can be driven to rotate along a connecting box, the wiping cotton is extruded and dried, and rapid drying can be achieved to improve the working efficiency; and the residual moisture can be prevented from influencing the adhesion effect of a subsequent spraying material.

Description

Technical Field

[0001] The invention relates to the technical field of spraying devices, in particular to a spraying device for processing polypropylene plastic pipes and a spraying method thereof. Background Art

[0002] Polypropylene plastic pipes, commonly known as PP pipes, are widely used in life and various production work because of their non-toxicity, high temperature resistance and stability of hot-melt connection. In order to adapt to different work needs, the inner wall of the pipe is usually sprayed, which can improve its corrosion resistance, reduce friction resistance or enhance adhesion. It is a common technical means in industrial production.

[0003] Existing pipelines often need to be cleaned when the inner wall is sprayed, and the existing cleaning method is often done manually. Due to the inconsistency or unevenness of the operation method, the cleaning effect on the inner wall of the pipeline is often not ideal, which will seriously affect the adhesion effect of the subsequent spraying material. In addition, burrs may appear on the inner wall of the pipeline due to some external factors. If it is not processed, it will also affect the adhesion ability of the subsequent spraying material, thereby affecting the overall effect of the spraying work. Summary of the invention

[0004] The purpose of the present invention is to solve the problems in the background technology and to propose a spraying device and a spraying method for polypropylene plastic pipe processing.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A spraying device for processing polypropylene plastic pipes, comprising a fixed seat, wherein two adjusting shafts are slidably connected inside the fixed seat, the two adjusting shafts are rotatably connected via a connecting belt, the surface of the adjusting shaft is symmetrically slidably connected to two connecting feet via threads, the top of the connecting foot is slidably connected to the top of the fixed seat, and the top of the connecting foot penetrates to one end of the top of the fixed seat and is fixedly connected to a fixing frame, the fixing frame is slidably connected to the top of the fixed seat via the connecting foot, a rotating column is slidably connected above the fixed seat, the rotating column is located between the two fixing frames above the same adjusting shaft, one end of the rotating column is fixedly connected to a spray can, and further comprises:

[0007] A grinding mechanism, wherein the grinding mechanism is fixedly connected to one end of the rotating column and is located at an end away from the spray tank, and the grinding mechanism is used to perform rotational grinding on the inner wall of the plastic pipe;

[0008] A cleaning mechanism, the cleaning mechanism is fixedly connected to the surface of the rotating column and is located on one side of the polishing mechanism, and the cleaning mechanism is used to clean the inner wall of the tube after polishing;

[0009] A wiping mechanism, the wiping mechanism is fixedly connected to the surface of the rotating column, the wiping mechanism is located between the cleaning mechanism and the spray tank, and the wiping mechanism is used to dry the inner wall of the pipe after cleaning;

[0010] and an extrusion mechanism, wherein the extrusion mechanism is arranged inside the wiping mechanism and is used for performing an extrusion drying process on the wiping mechanism.

[0011] In the above-mentioned spraying device for processing polypropylene plastic pipes, the grinding mechanism includes a grinding disc, a plurality of grinding heads and a turntable. The grinding disc is fixedly connected to the end of the rotating column away from the spray tank. The turntable is rotatably connected to the inside of the grinding disc. A plurality of adjustment grooves are penetrated on one side of the surface of the grinding disc. The grinding head is slidably connected to the surface of the grinding disc through the adjustment grooves, and the grinding head is located on the side away from the spray tank. A plurality of top strips are evenly hinged on one side of the surface of the turntable, and the other end of the top strip is hinged to the surface of the grinding head through the adjustment groove.

[0012] In the above-mentioned spraying device for processing polypropylene plastic pipes, the cleaning mechanism includes a cleaning wheel and a plurality of water spray plates. The plurality of water spray plates are evenly embedded in the surface of the cleaning wheel. Two conduits are symmetrically connected on both sides of the surface of the rotating column. The conduits are used to transport the cleaning liquid to the interior of the cleaning wheel, and the cleaning liquid entering the interior of the cleaning wheel is sprayed obliquely toward the grinding disc through the water spray plates. A receiving groove is provided on the side of the rotating column close to the interior of the cleaning wheel, and one end of the receiving groove is connected to the interior of the cleaning wheel. The two conduits are respectively connected to the two sides of the receiving groove at one end close to the cleaning wheel, and the receiving groove is located on the side away from the grinding disc.

[0013] In the above-mentioned spraying device for processing polypropylene plastic pipes, the wiping mechanism includes a connecting disk, two connecting boxes and wiping cotton. The connecting disk is fixedly connected to the surface of the rotating column, the two connecting boxes are symmetrically slidably connected to the surface of the connecting disk, and the wiping cotton is rotatably connected to the inside of the connecting box. The connecting box is located on the side close to the cleaning wheel. Through holes are symmetrically opened on both sides of the connecting disk, and the two conduits are fixedly connected to the connecting disk through the two through holes respectively.

[0014] In the above-mentioned spraying device for processing polypropylene plastic pipes, the extrusion mechanism includes a driver, an extrusion wheel and a collecting groove. The driver is fixedly connected to the inside of the rotating column, and the driver is located on the side of the connecting disk close to the cleaning wheel. The extrusion wheel is rotatably connected to the inside of the connecting box. The wiping cotton is slidably connected to the connecting box through the extrusion wheel. The collecting groove is opened in the inside of the connecting box, and the collecting groove is located on both sides of the extrusion wheel. The output end of the driver passes through the inside of the connecting disk and is fixedly connected to the guide wheel. One side of the extrusion wheel is fixedly connected to the rotating shaft, and the other end of the rotating shaft passes through the inside of the connecting disk and is fixedly connected to the connecting wheel. A belt is connected to the connecting wheel and the guide wheel for transmission. Two connecting grooves are opened on one side of the surface of the connecting disk, and the rotating shaft is slidably connected to the connecting disk through the connecting grooves.

[0015] In the above-mentioned spraying device for processing polypropylene plastic pipes, two positioning grooves are formed on the side of the surface of the connecting disk away from the connecting box, and a connecting head is slidably connected inside the positioning groove. One end of the connecting head is located inside the connecting disk and is rotatably connected to the connecting wheel, and one end of the connecting head that passes through the outside of the connecting disk is hinged with a push rod, and the other end of the push rod is hinged with an adjusting disk. The adjusting disk is slidably connected to the surface of the rotating column, and the adjusting disk is located between the connecting disk and the spray tank. Two cylinders are symmetrically fixedly connected to one side of the surface of the connecting disk close to the adjusting disk, and the output end of the cylinder is fixedly connected to the adjusting disk.

[0016] In the above-mentioned spraying device for processing polypropylene plastic pipes, two tensioning wheels are symmetrically and slidingly connected inside the connecting disk. The tensioning wheel is located between the guide wheel and the connecting wheel, and the tensioning wheel is rotatably connected to the belt. A tensioning foot is fixedly connected to one side of the surface of the tensioning wheel, and a tensioning groove is provided on the inner wall of the connecting disk. The tensioning foot is slidably connected to the connecting disk through the tensioning groove, and a top spring is fixedly connected to one side of the tensioning foot, and the other end of the top spring is fixedly connected to the inside of the tensioning groove.

[0017] In the above-mentioned spraying device for processing polypropylene plastic pipes, a slide groove is provided on the side of the grinding disc surface close to the cleaning wheel, and a gear disc is rotatably connected to the surface of the grinding disc. The gear disc is located on the side close to the cleaning wheel, and the gear disc is rotatably connected to the rotating column. The gear disc and the rotating disc are fixedly connected through the slide groove, and one side of the gear disc is meshed with rotating teeth, and one side of the rotating teeth is fixedly connected to a motor, and the motor is fixedly connected to the surface of the rotating column.

[0018] A method for spraying a polypropylene plastic pipe comprises the following steps:

[0019] S1. The plastic pipe is clamped and fixed by a fixing seat, and the rotating column drives the grinding mechanism, the cleaning mechanism and the wiping mechanism to enter the interior of the pipe from one end of the pipe in turn. Through the rotation of the rotating column, several grinding heads are forced to continuously grind the inner wall of the pipe;

[0020] S2. The cleaning liquid is transported to the inside of the cleaning wheel through the receiving tank through two conduits. The rotation effect of the rotating column forces the cleaning wheel and the water spray plate to rotate around the rotating column inside the pipe, and the cleaning liquid is sprayed obliquely toward the grinding disc through the water spray plate to complete the cleaning of the inner wall of the polished pipe;

[0021] S3. By rotating the rotating column, the connecting disk entering the pipe is forced to rotate, and the two connecting boxes and the wiping cotton are forced to rotate along with the connecting disk, so as to absorb and wipe the residual moisture inside the pipe. In the process of the connecting disk rotating around the rotating column, the extrusion wheel will also rotate inside the connecting box, in addition to driving the wiping cotton to rotate, it also squeezes and dries the wiping cotton entering the connecting box.

[0022] Compared with the existing technology, the advantages of this laser processing feeding device are:

[0023] 1. The grinding disc is driven to rotate inside the pipe by the rotating column, and the inner wall of the pipe can be continuously polished by several grinding heads, which can effectively deal with the burrs and other solidified impurities on the inner wall of the pipe to ensure the cleanliness of the inner wall of the pipe;

[0024] 2. The connection box and the wiping cotton are driven to rotate inside the pipe by the connection plate, so that the inner wall of the pipe after being cleaned by the cleaning wheel can be wiped and dried. It can dry quickly to improve work efficiency and prevent residual moisture from affecting the adhesion effect of subsequent spraying materials;

[0025] 3. The guide wheel is driven to rotate by the driver, and the two connecting wheels are driven to rotate by the belt, thereby driving the extrusion wheel to rotate. When the wiping cotton follows the rotation of the connecting disk, the wiping cotton can be driven to rotate along the connecting box, and the wiping cotton entering the connecting box can be squeezed and dried to ensure the wiping effect on the inner wall of the pipeline;

[0026] To summarize, the present invention drives the grinding disc to rotate inside the pipe by a rotating column, and can perform uninterrupted grinding treatment on the inner wall of the pipe through a plurality of grinding heads, which can effectively deal with the burrs and other solidified impurities on the inner wall of the pipe, and ensure the cleanliness of the inner wall of the pipe. The connecting box and the wiping cotton are driven to rotate inside the pipe by the connecting disc, and the inner wall of the pipe after being cleaned by the cleaning wheel can be wiped and dried. The guide wheel is driven to rotate by a driver, and the two connecting wheels can be driven to rotate by a belt, thereby driving the extrusion wheel to rotate, and the wiping cotton can be driven to rotate along the connecting box, and the wiping cotton can be squeezed and dried, which can be dried quickly to improve work efficiency, and can prevent residual moisture from affecting the adhesion effect of subsequent spray materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a three-dimensional structural schematic diagram of the present invention;

[0028] Figure 2 It is a schematic diagram of the cross-sectional structure of the fixing seat of the present invention;

[0029] Figure 3 It is a schematic diagram of the connection structure of the grinding disc of the present invention;

[0030] Figure 4 It is a schematic diagram of the cross-sectional structure of the cleaning wheel of the present invention;

[0031] Figure 5 It is a schematic diagram of the cross-sectional structure of the connection box of the present invention;

[0032] Figure 6 It is a schematic diagram of the cross-sectional structure of the grinding disc of the present invention;

[0033] Figure 7 It is a schematic diagram of the top strip connection structure of the present invention;

[0034] Figure 8 It is a schematic diagram of the cross-sectional structure of the rotating column of the present invention;

[0035] Fig. 9 It is a schematic diagram of the cross-sectional structure of the connection disk of the present invention.

[0036] In the figure: 1, fixed seat; 2, adjustment shaft; 3, connecting foot; 4, fixed frame; 5, rotating column; 6, spray can; 7, grinding mechanism; 701, grinding disc; 702, grinding head; 703, rotating disc; 8, cleaning mechanism; 801, cleaning wheel; 802, water spray plate; 9, wiping mechanism; 901, connecting disc; 902, connecting box; 903, wiping cotton; 10, squeezing mechanism; 101, driver; 102, squeezing wheel; 103, collecting Collecting groove; 11. Adjusting groove; 12. Top strip; 13. Conduit; 14. Receiving groove; 15. Through hole; 16. Guide wheel; 17. Rotating shaft; 18. Connecting wheel; 19. Belt; 20. Connecting groove; 21. Positioning groove; 22. Connecting head; 23. Push rod; 24. Adjusting plate; 25. Cylinder; 26. Tensioning wheel; 27. Tensioning foot; 28. Tensioning groove; 29. ​​Top spring; 30. Slide groove; 31. Toothed disc; 32. Rotating gear; 33. Motor. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0038] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention 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 on the present invention.

[0039] Reference Figure 1-Figure 9A spraying device for processing polypropylene plastic pipes comprises a fixed seat 1, wherein the fixed seat 1 is internally slidably connected with two adjusting shafts 2, the two adjusting shafts 2 are rotatably connected by a connecting belt, the surface of the adjusting shaft 2 is symmetrically slidably connected with two connecting feet 3 by threads, the top of the connecting foot 3 is slidably connected with the top of the fixed seat 1, and the top of the connecting foot 3 penetrates through one end of the top of the fixed seat 1 and is fixedly connected with a fixing frame 4, the fixing frame 4 is slidably connected to the top of the fixed seat 1 through the connecting foot 3, the top of the fixed seat 1 is slidably connected with a rotating column 5, the rotating column 5 is located between the two fixing frames 4 above the same adjusting shaft 2, one end of the rotating column 5 is fixedly connected with a spray tank 6, and also comprises a grinding mechanism 7, the grinding mechanism 7 is fixedly connected to one end of the rotating column 5, and the grinding mechanism 7 is located at the end away from the spray tank 6, the grinding mechanism 7 is used for rotating and grinding the inner wall of the plastic pipe, the grinding mechanism 7 comprises a grinding disc 701, a plurality of grinding heads 702 and a rotating disc 703, the grinding The disc 701 is fixedly connected to the end of the rotating column 5 away from the spray tank 6, the rotating disc 703 is rotatably connected to the inside of the grinding disc 701, one side of the surface of the grinding disc 701 is penetrated with a plurality of adjustment grooves 11, the grinding head 702 is slidably connected to the surface of the grinding disc 701 through the adjustment grooves 11, and the grinding head 702 is located on the side away from the spray tank 6, one side of the surface of the rotating disc 703 is evenly hinged with a plurality of top strips 12, and the other end of the top strip 12 is connected to the grinding head 7 through the adjustment grooves 11. The surface of 02 is hinged, a slide groove 30 is provided on the side of the grinding disc 701 close to the cleaning wheel 801, and the surface of the grinding disc 701 is rotatably connected with a toothed disc 31, the toothed disc 31 is located on the side close to the cleaning wheel 801, the toothed disc 31 is rotatably connected to the rotating column 5, the toothed disc 31 and the rotating disc 703 are fixedly connected through the slide groove 30, one side of the toothed disc 31 is meshed with a rotating tooth 32, one side of the rotating tooth 32 is fixedly connected with a motor 33, and the motor 33 is fixedly connected to the surface of the rotating column 5.

[0040] Among them, by rotating one of the adjusting shafts 2 and driving the other adjusting shaft 2 to rotate synchronously through the connecting belt, the connecting feet 3 located on the surface of the same adjusting shaft 2 are driven to approach each other through the effect of the threaded connection, thereby driving the two fixing frames 4 to approach each other, and the pipeline can be clamped and fixed above the fixing seat 1, and the grinding disc 701 is driven to enter the interior of the pipeline and rotate through the rotation of the rotating column 5. During the rotation of the rotating column 5, the motor 33 can drive the gear plate 31 to rotate through the rotating gear 32, and the rotating disc 703 can be driven to rotate through the sliding groove 30, so that the grinding head 702 can be pushed to slide along the adjusting groove 11 through a plurality of top strips 12, which can adapt to plastic pipes with different inner diameters. At this time, the grinding disc 701 can drive a plurality of grinding heads 702 to rotate with the grinding disc 701 while following the rotation of the rotating column 5, so that the inner wall of the pipeline can be continuously polished, and a part of the debris polished can be pushed out, which is convenient for subsequent cleaning.

[0041] A cleaning mechanism 8 is fixedly connected to the surface of the rotating column 5, and the cleaning mechanism 8 is located on one side of the grinding mechanism 7. The cleaning mechanism 8 is used to clean the inner wall of the pipe after grinding. The cleaning mechanism 8 includes a cleaning wheel 801 and a plurality of water spray plates 802. The plurality of water spray plates 802 are evenly embedded in the surface of the cleaning wheel 801. Two conduits 13 are symmetrically connected on both sides of the surface of the rotating column 5. The conduits 13 are used to transport the cleaning liquid to the inside of the cleaning wheel 801, and the cleaning liquid entering the inside of the cleaning wheel 801 is sprayed obliquely toward the direction of the grinding disc 701 through the water spray plates 802. A receiving groove 14 is provided on one side of the rotating column 5 close to the inside of the cleaning wheel 801, and one end of the receiving groove 14 is connected to the inside of the cleaning wheel 801. One end of the two conduits 13 close to the cleaning wheel 801 is respectively connected to the two sides of the receiving groove 14, and the receiving groove 14 is located on the side away from the grinding disc 701.

[0042] Among them, through the rotation effect of the rotating column 5, the cleaning wheel 801 and the water spray plate 802 are driven to rotate together, the inclined liquid is transported to the inside of the cleaning mechanism 8 through the two conduits 13, and the cleaning liquid is injected into the cleaning wheel 801 through the receiving groove 14. When the cleaning wheel 801 rotates, the cleaning liquid entering the inside of the cleaning wheel 801 can be pressurized and sprayed out, and the cleaning liquid is forced to be sprayed in the direction close to the grinding disc 701 through the water spray plate 802, so as to clean the inner wall of the polished pipe, and through the inclined spraying method, the impurities after flushing and cleaning and the waste water deposited at the bottom of the inner wall of the pipe can be impacted, forcing a large amount of waste water to be automatically discharged, which is convenient for subsequent wiping work.

[0043] Wiping mechanism 9, wiping mechanism 9 is fixedly connected to the surface of rotating column 5, wiping mechanism 9 is located between cleaning mechanism 8 and spray tank 6, wiping mechanism 9 is used to dry the inner wall of the pipe after cleaning, wiping mechanism 9 comprises connecting plate 901, two connecting boxes 902 and wiping cotton 903, connecting plate 901 is fixedly connected to the surface of rotating column 5, two connecting boxes 902 are symmetrically slidably connected to the surface of connecting plate 901, wiping cotton 903 is rotatably connected to the inside of connecting box 902, connecting box 902 is located on the side close to cleaning wheel 801, through holes 15 are symmetrically penetrated on both sides of connecting plate 901, two conduits 13 are fixedly connected to connecting plate 901 through two through holes 15 respectively, extruding mechanism 10, extruding mechanism 10 is arranged inside wiping mechanism 9, extruding mechanism 10 is used to extrude and dry wiping mechanism 9, extruding mechanism 10 comprises driver 101, extruding wheel 102 and collecting groove 103, the driver 101 is fixedly connected to the inside of the rotating column 5, and the driver 101 is located on the side of the connecting disk 901 close to the cleaning wheel 801, the extruding wheel 102 is rotatably connected to the inside of the connecting box 902, the wiping cotton 903 is slidably connected to the connecting box 902 through the extruding wheel 102, the collecting groove 103 is opened in the inside of the connecting box 902, and the collecting groove 103 is located on both sides of the extruding wheel 102, the output end of the driver 101 passes through the inside of the connecting disk 901 and is fixedly connected with a guide wheel 16, one side of the extruding wheel 102 is fixedly connected with a rotating shaft 17, the other end of the rotating shaft 17 passes through the inside of the connecting disk 901 and is fixedly connected with a connecting wheel 18, a belt 19 is transmission-connected between the connecting wheel 18 and the guide wheel 16, one side of the surface of the connecting disk 901 is penetrated by two connecting grooves 20, and the rotating shaft 17 is slidably connected to the connecting disk 901 through the connecting groove 20.

[0044] Among them, by driving the connecting disk 901 to rotate through the rotating column 5, the connecting box 902 and the wiping cotton 903 can be driven to rotate together, and the wiping cotton 903 can be used to wipe the inner wall of the cleaned pipeline, so as to speed up the drying efficiency after wiping the residual moisture on the inner wall of the pipeline after cleaning. In this process, the guide wheel 16 is driven to rotate by the driver 101, so as to drive the two connecting wheels 18 located on both sides of the guide wheel 16 to rotate through the transmission effect of the belt 19, so as to force the two extrusion wheels 102 inside the two connecting boxes 902 to rotate, on the one hand, the wiping cotton 903 can be transported to ensure that the wiping cotton 903 can follow the extrusion wheel 102 to rotate along the connecting box 902 while following the connecting disk 901 to rotate around the rotating column 5, so as to ensure that the used wiping cotton 903 can enter the connecting box 902 and be squeezed by the extrusion wheel 102, and the moisture in the wiping cotton 903 is discharged to the collecting tank 103, so as to ensure the wiping effect of the wiping cotton 903 on the inner wall of the pipeline.

[0045] Two positioning grooves 21 are formed on the surface of the connection disk 901 away from the connection box 902. The inside of the positioning groove 21 is slidably connected with a connection head 22. One end of the connection head 22 located inside the connection disk 901 is rotatably connected to the connection wheel 18. One end of the connection head 22 that passes through the outside of the connection disk 901 is hinged with a push rod 23. The other end of the push rod 23 is hinged with an adjustment disk 24. The adjustment disk 24 is slidably connected to the surface of the rotating column 5, and the adjustment disk 24 is located between the connection disk 901 and the spray tank 6. The side of the surface of the connection disk 901 close to the adjustment disk 24 is fixedly connected symmetrically. There are two cylinders 25, the output ends of the cylinders 25 are fixedly connected to the adjusting disk 24, and the interior of the connecting disk 901 is symmetrically and slidingly connected with two tensioning wheels 26, the tensioning wheels 26 are located between the guide wheel 16 and the connecting wheel 18, and the tensioning wheels 26 are rotatably connected to the belt 19, and a tensioning foot 27 is fixedly connected to one side of the surface of the tensioning wheel 26, and a tensioning groove 28 is opened on the inner wall of the connecting disk 901, and the tensioning foot 27 is slidably connected to the connecting disk 901 through the tensioning groove 28, and a top spring 29 is fixedly connected to one side of the tensioning foot 27, and the other end of the top spring 29 is fixedly connected to the inside of the tensioning groove 28.

[0046] Among them, the cylinder 25 drives the adjusting disk 24 to slide along the rotating column 5 toward the connecting disk 901, and the hinge effect can force the push rod 23 to push the connecting head 22 to slide along the positioning groove 21, so as to push the two connecting boxes 902 to slide in the direction away from each other, control the distance between the two connecting boxes 902, ensure that the wiping cotton 903 can adapt to the inner wall of the pipe, ensure the wiping effect of the wiping cotton 903 on the inner wall of the pipe, and in the process of the two connecting boxes 902 moving away from each other, the distance between the connecting wheel 18 and the guide wheel 16 will become larger. At this time, in order to ensure that the guide wheel 16 can smoothly drive the connecting wheel 18 to rotate, the tensioning wheel 26 needs to reduce the pulling degree on the belt 19, and through the elastic effect of the top spring 29, ensure the tensioning effect of the tensioning wheel 26 on the belt 19.

[0047] The specific working principle and use method of the present invention are explained in detail below: When in use, the first step is to clamp and fix the plastic pipe by the fixing seat 1, and the rotating column 5 drives the grinding mechanism 7, the cleaning mechanism 8 and the wiping mechanism 9 to enter the interior of the pipe from one end of the pipe in turn, and the rotation of the rotating column 5 forces the plurality of grinding heads 702 to continuously grind the inner wall of the pipe;

[0048] In the second step, the cleaning liquid is transported to the inside of the cleaning wheel 801 through the two conduits 13 via the receiving tank 14. The rotation effect of the rotating column 5 forces the cleaning wheel 801 and the water spray plate 802 to rotate around the rotating column 5 inside the pipe, and the cleaning liquid is sprayed obliquely toward the grinding disc 701 through the water spray plate 802, thereby completing the cleaning of the inner wall of the polished pipe;

[0049] In the third step, the connecting disk 901 entering the pipe is forced to rotate by the rotation of the rotating column 5, which can force the two connecting boxes 902 and the wiping cotton 903 to rotate along with the connecting disk 901, so as to absorb and wipe the residual moisture inside the pipe. In the process of the connecting disk 901 rotating around the rotating column 5, the extrusion wheel 102 will also rotate inside the connecting box 902. In addition to driving the wiping cotton 903 to rotate, it also squeezes and dries the wiping cotton 903 entering the connecting box 902.

[0050] It is further explained that the above-mentioned fixed connection should be understood in a broad sense unless otherwise clearly specified and limited. For example, it can be welding, gluing, or one-piece molding, etc., which are conventional means well known to those skilled in the art.

[0051] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A spraying device for processing polypropylene plastic pipes, characterized in that: The invention comprises a fixed seat (1), wherein two adjusting shafts (2) are slidably connected inside the fixed seat (1), the two adjusting shafts (2) are rotatably connected via a connecting belt, the surface of the adjusting shaft (2) is symmetrically slidably connected to two connecting feet (3) via threads, the top of the connecting feet (3) is slidably connected to the top of the fixed seat (1), and the top of the connecting feet (3) penetrates through one end of the top of the fixed seat (1) and is fixedly connected to a fixing frame (4), the fixing frame (4) is slidably connected to the top of the fixed seat (1) via the connecting feet (3), a rotating column (5) is slidably connected above the fixed seat (1), the rotating column (5) is located between the two fixing frames (4) above the same adjusting shaft (2), and one end of the rotating column (5) is fixedly connected to a spray can (6), and further comprises: A grinding mechanism (7), wherein the grinding mechanism (7) is fixedly connected to one end of the rotating column (5), and the grinding mechanism (7) is located at an end away from the spray tank (6), and the grinding mechanism (7) is used to perform rotational grinding on the inner wall of the plastic pipe; A cleaning mechanism (8), wherein the cleaning mechanism (8) is fixedly connected to the surface of the rotating column (5), and the cleaning mechanism (8) is located on one side of the grinding mechanism (7), and the cleaning mechanism (8) is used to clean the inner wall of the tube after grinding; A wiping mechanism (9), wherein the wiping mechanism (9) is fixedly connected to the surface of the rotating column (5), the wiping mechanism (9) is located between the cleaning mechanism (8) and the spray tank (6), and the wiping mechanism (9) is used to dry the inner wall of the pipe after cleaning; and an extrusion mechanism (10), wherein the extrusion mechanism (10) is arranged inside the wiping mechanism (9), and the extrusion mechanism (10) is used to perform an extrusion drying process on the wiping mechanism (9).

2. A spraying device for processing polypropylene plastic pipes according to claim 1, characterized in that: The grinding mechanism (7) comprises a grinding disc (701), a plurality of grinding heads (702) and a rotating disc (703); the grinding disc (701) is fixedly connected to one end of the rotating column (5) away from the spray can (6); the rotating disc (703) is rotatably connected to the inside of the grinding disc (701); a plurality of adjustment grooves (11) are provided through one side of the surface of the grinding disc (701); the grinding heads (702) are slidably connected to the surface of the grinding disc (701) through the adjustment grooves (11); and the grinding heads (702) are located on the side away from the spray can (6); a plurality of top strips (12) are evenly hinged on one side of the surface of the rotating disc (703); and the other end of the top strip (12) is hinged to the surface of the grinding head (702) through the adjustment grooves (11).

3. A spraying device for processing polypropylene plastic pipes according to claim 2, characterized in that: The cleaning mechanism (8) comprises a cleaning wheel (801) and a plurality of water spray plates (802), wherein the plurality of water spray plates (802) are uniformly embedded in the surface of the cleaning wheel (801), two conduits (13) are symmetrically connected on both sides of the surface of the rotating column (5), the conduits (13) are used to transport cleaning liquid to the inside of the cleaning wheel (801), and the cleaning liquid entering the inside of the cleaning wheel (801) is sprayed obliquely toward the grinding disc (701) through the water spray plates (802), a receiving groove (14) is provided on a side of the rotating column (5) close to the inside of the cleaning wheel (801), one end of the receiving groove (14) is connected to the inside of the cleaning wheel (801), one end of the two conduits (13) close to the cleaning wheel (801) is respectively connected to the two sides of the receiving groove (14), and the receiving groove (14) is located on the side away from the grinding disc (701).

4. A spraying device for processing polypropylene plastic pipes according to claim 3, characterized in that: The wiping mechanism (9) comprises a connecting disk (901), two connecting boxes (902) and a wiping cotton (903); the connecting disk (901) is fixedly connected to the surface of the rotating column (5); the two connecting boxes (902) are symmetrically slidably connected to the surface of the connecting disk (901); the wiping cotton (903) is rotatably connected to the inside of the connecting box (902); the connecting box (902) is located on a side close to the cleaning wheel (801); through holes (15) are symmetrically opened on both sides of the connecting disk (901); and the two conduits (13) are fixedly connected to the connecting disk (901) through the two through holes (15), respectively.

5. A spraying device for processing polypropylene plastic pipes according to claim 4, characterized in that: The squeezing mechanism (10) comprises a driver (101), a squeezing wheel (102) and a collecting groove (103); the driver (101) is fixedly connected to the inside of the rotating column (5), and the driver (101) is located on a side of the connecting plate (901) close to the cleaning wheel (801); the squeezing wheel (102) is rotatably connected to the inside of the connecting box (902); the wiping cotton (903) is slidably connected to the connecting box (902) through the squeezing wheel (102); the collecting groove (103) is opened in the inside of the connecting box (902), and the collecting groove (103) is located on the squeezing wheel (101). 2), the output end of the driver (101) penetrates into the interior of the connecting disk (901) and is fixedly connected to a guide wheel (16), one side of the extrusion wheel (102) is fixedly connected to a rotating shaft (17), the other end of the rotating shaft (17) penetrates into the interior of the connecting disk (901) and is fixedly connected to a connecting wheel (18), a belt (19) is connected between the connecting wheel (18) and the guide wheel (16), one side of the surface of the connecting disk (901) is penetrated by two connecting grooves (20), and the rotating shaft (17) is slidably connected to the connecting disk (901) through the connecting grooves (20).

6. A spraying device for processing polypropylene plastic pipes according to claim 5, characterized in that: The surface of the connection disk (901) is provided with two positioning grooves (21) on one side away from the connection box (902), and a connecting head (22) is slidably connected inside the positioning groove (21). One end of the connecting head (22) located inside the connection disk (901) is rotatably connected to the connecting wheel (18), and one end of the connecting head (22) extending to the outside of the connection disk (901) is hingedly connected to a push rod (23), and the other end of the push rod (23) is hingedly connected to an adjustment disk (24), and the adjustment disk (24) is slidably connected to the surface of the rotating column (5), and the adjustment disk (24) is located between the connection disk (901) and the spray tank (6), and two cylinders (25) are fixedly and symmetrically connected to one side of the surface of the connection disk (901) close to the adjustment disk (24), and the output end of the cylinder (25) is fixedly connected to the adjustment disk (24).

7. A spraying device for processing polypropylene plastic pipes according to claim 5, characterized in that: The connecting disk (901) is internally symmetrically and slidably connected with two tensioning wheels (26), the tensioning wheels (26) are located between the guide wheel (16) and the connecting wheel (18), and the tensioning wheels (26) are rotatably connected to the belt (19), one side of the surface of the tensioning wheel (26) is fixedly connected with a tensioning foot (27), the inner wall of the connecting disk (901) is provided with a tensioning groove (28), the tensioning foot (27) is slidably connected to the connecting disk (901) through the tensioning groove (28), one side of the tensioning foot (27) is fixedly connected with a top spring (29), and the other end of the top spring (29) is fixedly connected to the inside of the tensioning groove (28).

8. A spraying device for processing polypropylene plastic pipes according to claim 3, characterized in that: A slide groove (30) is provided on the surface of the grinding disc (701) on the side close to the cleaning wheel (801); a toothed disc (31) is rotatably connected to the surface of the grinding disc (701); the toothed disc (31) is located on the side close to the cleaning wheel (801); the toothed disc (31) is rotatably connected to the rotating column (5); the toothed disc (31) and the rotating disc (703) are fixedly connected via the slide groove (30); a rotating tooth (32) is meshed on one side of the toothed disc (31); a motor (33) is fixedly connected to one side of the rotating tooth (32); and the motor (33) is fixedly connected to the surface of the rotating column (5).

9. A spray coating method for processing polypropylene plastic pipes, characterized in that: The spray coating method for processing polypropylene plastic pipes uses a spray coating device for processing polypropylene plastic pipes as described in any one of claims 1 to 8, comprising the following steps: S1. The plastic pipe is clamped and fixed by a fixing seat (1), and a rotating column (5) drives a grinding mechanism (7), a cleaning mechanism (8) and a wiping mechanism (9) to enter the interior of the pipe from one end of the pipe in sequence. The rotating column (5) rotates, forcing a plurality of grinding heads (702) to continuously grind the inner wall of the pipe; S2, the cleaning liquid is transported to the inside of the cleaning wheel (801) through the two conduits (13) via the receiving tank (14), and the cleaning wheel (801) and the water spray plate (802) are forced to rotate around the rotating column (5) inside the pipeline together through the rotating column (5), and the cleaning liquid is sprayed obliquely toward the grinding disc (701) through the water spray plate (802), thereby completing the cleaning of the inner wall of the polished pipeline; S3. By rotating the rotating column (5), the connecting disk (901) entering the pipeline is forced to rotate, and the two connecting boxes (902) and the wiping cotton (903) are forced to rotate along with the connecting disk (901), so as to absorb and wipe the residual moisture in the pipeline. In addition, when the connecting disk (901) rotates around the rotating column (5), the squeezing wheel (102) also rotates inside the connecting box (902), and in addition to driving the wiping cotton (903) to rotate, the wiping cotton (903) entering the connecting box (902) is squeezed and dried.

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