CN113815166B - A kind of PP pipe water cooling device and using method thereof - Google Patents

Abstract

The invention discloses a PP pipe water-cooling device and a method for using the same. It comprises a water-cooling box. The inside of the water-cooling box is sequentially provided with a spraying water-cooling mechanism and a water-absorbing mechanism. The spraying water-cooling mechanism includes a plurality of equidistantly distributed fixing rings. , the fixed ring is arranged inside the water-cooled box, the fixed ring is connected with the water-cooled box, the fixed ring is provided with a plurality of nozzles distributed in an annular array, the bottom of the water-cooled box is provided with a water pump, and the plurality of nozzles pass through The water pipe communicates with the water outlet of the water pump, and the water absorbing mechanism includes a shell, which is connected to one side of the inner wall of the water cooling box, and the shape of the shell is ring-shaped. In the present invention, by setting a water-absorbing roller that can rotate around the PP pipe in a ring, the external sponge sleeve can absorb the moisture outside the PP pipe, and a matching water pressure plate can be set to squeeze out the water in the sponge sleeve to prevent the sponge from drying out. The sleeve is saturated due to long-term water absorption, and then removes water stains attached to the tube wall after water cooling.

Description

A kind of PP pipe water cooling device and using method thereof

technical field

The invention relates to the technical field of PP pipe water cooling, in particular to a PP pipe water cooling device and a use method thereof.

Background technique

PP pipe is a polypropylene pipe, which is used for the delivery of drinking water. This material is very environmentally friendly, non-toxic, and has good heat resistance, and is not prone to corrosion. As long as the connection is in place, it is not easy to leak water. The quality is relatively light, and the construction is relatively simple. It is a commonly used water pipe material for home installation. PP pipe has the advantages of heat resistance, pressure resistance, heat preservation and energy saving, long service life and economy, and the application of PP pipe is more and more extensive.

The production process of PP pipe is to extrude the PP pipe from the pipe extruder first. In order to make the diameter and surface finish of the produced PP pipe meet the requirements, the PP pipe must be fully and evenly cooled. At present, it is usually cooled by water. Cool the PP pipe, but after the pipe body is water-cooled, water stains will adhere to the pipe wall, and dust will easily adhere to it, which will affect the subsequent processing of the PP pipe.

Therefore, it is necessary to invent a PP pipe water cooling device and a method of use thereof to solve the above problems.

Contents of the invention

The object of the present invention is to provide a PP pipe water cooling device and its use method. By setting a water absorption roller that can rotate around the PP pipe, the external sponge sleeve can absorb the moisture outside the PP pipe. The water board can squeeze out the water in the sponge sleeve, avoiding the sponge sleeve being saturated due to long-term water absorption, and then remove the water stains attached to the pipe wall after water cooling, so as to solve the above-mentioned shortcomings in the technology.

In order to achieve the above object, the present invention provides the following technical solutions: a PP pipe water cooling device, including a water cooling box, and the inside of the water cooling box is sequentially provided with a spray water cooling mechanism and a water absorption mechanism;

The spray water-cooling mechanism includes a plurality of equidistant fixed rings, the fixed rings are arranged inside the water-cooled box, the fixed rings are connected with the water-cooled box, and the fixed rings are provided with a plurality of spray heads distributed in an annular array , the bottom of the water-cooled tank is provided with a water pump, and a plurality of nozzles are connected to the water outlet of the water pump through water pipes;

The water absorbing mechanism includes a shell, which is connected to one side of the inner wall of the water-cooled box. The shape of the shell is ring-shaped, and a cavity is provided inside the shell. The annular groove communicates with the cavity, and a slider is slidably connected inside the annular groove, and a connecting rod is arranged on the side of the slider away from the cavity, and a fixed shaft and a connecting rod are respectively arranged at both ends of the connecting rod The movable shaft, the fixed shaft and the movable shaft are arranged in parallel, the fixed shaft and the movable shaft both pass through the connecting rod and are rotatably connected with the connecting rod, the end of the fixed shaft close to the slider runs through the slider and extends into the cavity, The fixed shaft is rotatably connected to the slider, a drive mechanism is provided at both ends of the fixed shaft, a fixing mechanism is provided between the connecting rod and the slider, and a suction roller is connected to the end of the movable shaft far away from the housing, so A sponge sleeve is arranged on the outside of the water suction roller, and a pressure water plate that can adjust the height up and down is provided at the bottom of the inner wall of the water cooling box, and the water pressure plate is matched with the water suction roller.

Preferably, the drive mechanism includes two first gears meshing with each other, the two first gears are arranged on the side of the connecting rod away from the slider, and the two first gears are respectively sleeved on the outside of the fixed shaft and the movable shaft, so The end of the fixed shaft away from the first gear is connected with a second gear.

Preferably, an outer gear and an inner gear are arranged inside the cavity, the outer gear is in sliding connection with the cavity, the inner gear is connected with the cavity, the center of the outer gear and the center of the inner gear Located on the same horizontal axis, the second gear is arranged between the inner ring gear and the outer ring gear, and the second gear meshes with the inner ring gear and the outer ring gear respectively.

Preferably, the outer ring gear is embedded with a transmission ring gear, the top of the housing is provided with a motor, the motor is installed on the inner wall of the water-cooled box, one end of the output shaft of the motor is connected to a transmission gear, and the transmission gear Goes through the housing and meshes with the transmission ring gear.

Preferably, the fixing mechanism includes a movable rod, the movable rod is arranged between the slider and the connecting rod, a fixed block is sheathed outside the movable rod, the fixed block is connected with the slider, and the movable rod There is a short shaft inside, one end of the short shaft is connected with the connecting rod, a spring is connected between the short shaft and the fixed block, the spring is sleeved outside the movable rod, and the fixed block is set on the side away from the spring An adjusting nut is provided, and the adjusting nut is sleeved on the outside of the movable rod and is threadedly connected with the movable rod.

Preferably, the cross-sectional shape of the slider is H-shaped.

Preferably, the shape of the pressurized water plate is arc-shaped, and a plurality of through holes are opened on the surface of the pressurized water plate.

Preferably, four corners of the bottom of the water-cooled box are connected with support legs, and one side of the bottom of the water-cooled box is connected with a drain pipe, and the drain pipe communicates with the water-cooled box.

Preferably, a door panel is provided on the front side of the water cooling box, and the door panel is hinged to the water cooling box.

A method for using a PP pipe water cooling device, comprising the following steps:

A. PP pipe installation: pass the PP pipe formed by the pipe extruder through the water cooling box, so that the PP pipe passes through the fixed ring on the spray mechanism and the annular shell in turn, and the spring action of the suction roller inside the fixed mechanism It is pressed downward against the outside of the PP pipe, and the PP pipe passes through the water cooling box and connects to the external delivery device;

B. Adjust the water pressure plate: adjust the position of the water pressure plate up and down, so that the water pressure plate and the water suction roller cooperate. When the sponge sleeve outside the water suction roller moves on the surface of the water pressure plate, the distance between the center of the water suction roller and the water pressure plate is from far near and then far away;

C. PP pipe spray cooling: After the installation is completed, the formed PP pipe passes through the water cooling box to cool, and the water pump is started, and the water pump sends the cooling water to the nozzle through the water pipe, so as to cool the entire outer wall of the PP pipe evenly, and the cooling water gathers in the The bottom of the water-cooled tank, and finally discharged from the drain pipe;

D. PP pipe water removal: while spraying, start the motor, the output shaft of the motor drives the transmission gear to rotate, and the transmission gear drives the transmission ring gear meshed with it, thereby driving the outer ring gear embedded with the transmission ring gear to rotate, the outer gear The ring drives the second gear meshed with the second gear, so that the second gear rotates, and the second gear meshes with the inner ring gear and the inner ring gear is fixed with the cavity, so that the rotating second gear rolls along the outer wall of the inner ring gear. The movement of the second gear can drive the fixed shaft connected to it to move, and the fixed shaft drives the external slider and connecting rod to move, and the elastic force of the spring can make the end of the movable rod connected to the movable shaft away from the slider and approach the PP tube, so that The suction roller at one end of the movable shaft is close to the PP pipe, and the movable shaft and the fixed shaft are driven by a pair of first gears that mesh with each other, so that the movable shaft can rotate around the PP pipe and rotate on its own, so that the sponge sleeve on the surface of the suction roller absorbs Water droplets on the outer wall of the dry PP pipe;

E. Drainage of the sponge sleeve: When the sponge sleeve moves to the position of the pressure water plate, the sponge sleeve moves along the pressure water plate and is squeezed. The through holes on the surface of the board are quickly discharged, so that the sponge cover can maintain a state of absorbing water, and the sponge cover is prevented from being saturated with water.

In the above-mentioned technical scheme, the technical effects and advantages provided by the present invention:

1. Compared with the prior art, the present invention transports the cooling water to the nozzle through the water pump, and cools the entire outer wall of the PP pipe evenly in multiple sections, and sets a suction roller that can rotate around the PP pipe, and the spring inside the fixing mechanism Push the suction roller downwards against the outside of the PP pipe, so that the sponge sleeve can absorb the remaining water droplets after the outer wall of the PP pipe is cooled, and finally adjust the position of the water pressure plate to squeeze out the water in the sponge sleeve to prevent the sponge sleeve from being too long. Time to absorb water and saturate, and then remove the water stains attached to the pipe wall after water cooling;

2. Compared with the prior art, the present invention can spray water more evenly for cooling by setting equidistantly distributed fixed rings and circularly distributed nozzles, thereby improving the cooling efficiency of the PP pipe and facilitating the next process.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the accompanying drawings that are required in the embodiments. Obviously, the accompanying drawings in the following description are only described in the present invention For some embodiments of the present invention, those skilled in the art can also obtain other drawings according to these drawings.

Fig. 1 is the overall structure schematic diagram of the present invention;

Fig. 2 is the three-dimensional structure schematic diagram of the present invention;

3 is a schematic diagram of the overall structure of the housing of the present invention;

Fig. 4 is a schematic diagram of the cooperative structure of the slider and the connecting rod of the present invention;

Fig. 5 is a schematic diagram of the overall structure of the external ring gear of the present invention;

Fig. 6 is an enlarged view of the structure of part A of Fig. 3 of the present invention;

FIG. 7 is an enlarged view of the structure of part B in FIG. 4 of the present invention.

Explanation of reference signs:

1 water cooling box, 2 fixed ring, 3 spray head, 4 water pump, 5 housing, 6 cavity, 7 annular groove, 8 slider, 9 connecting rod, 10 fixed shaft, 11 movable shaft, 12 suction roller, 13 sponge sleeve, 14 pressure water plate, 15 first gear, 16 second gear, 17 outer ring gear, 18 inner ring gear, 19 transmission ring gear, 20 motor, 21 transmission gear, 22 movable rod, 23 fixed block, 24 short shaft, 25 Spring, 26 adjusting nuts.

Detailed ways

In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

The present invention provides a PP pipe water-cooling device as shown in Figures 1-7, including a water-cooling box 1, and the inside of the water-cooling box 1 is sequentially provided with a spray water-cooling mechanism and a water-absorbing mechanism;

The spray water-cooling mechanism includes a plurality of fixed rings 2 equidistantly distributed, the fixed rings 2 are arranged inside the water-cooled box 1, the fixed rings 2 are connected with the water-cooled box 1, and the fixed rings 2 are provided with a plurality of Sprinklers 3 distributed in an annular array, a water pump 4 is arranged at the bottom of the water cooling box 1, and a plurality of sprinklers 3 are connected to the water outlet of the water pump 4 through water pipes;

The water absorbing mechanism includes a housing 5, which is connected to one side of the inner wall of the water-cooled box 1, the housing 5 is ring-shaped, and a cavity 6 is provided inside the housing 5. One side surface of 5 is provided with an annular groove 7, the annular groove 7 communicates with the cavity 6, a slider 8 is slidably connected inside the annular groove 7, and the side of the slider 8 away from the cavity 6 is provided with a connection Rod 9, the two ends of the connecting rod 9 are respectively provided with a fixed shaft 10 and a movable shaft 11, the fixed shaft 10 is arranged in parallel with the movable shaft 11, and the fixed shaft 10 and the movable shaft 11 all pass through the connecting rod 9 and are connected with The rod 9 is connected in rotation, and the end of the fixed shaft 10 close to the slider 8 passes through the slider 8 and extends into the cavity 6. The fixed shaft 10 is connected in rotation with the slider 8, and two ends of the fixed shaft 10 are provided with driving mechanism, a fixing mechanism is provided between the connecting rod 9 and the slider 8, the end of the movable shaft 11 away from the housing 5 is connected to a water suction roller 12, and a sponge sleeve 13 is arranged on the outside of the water suction roller 12, and the water cooling The bottom of the inner wall of the box 1 is provided with a pressure water plate 14 that can adjust the height up and down, and the water pressure plate 14 is matched with the suction roller 12 .

Further, in the above technical solution, the drive mechanism includes two mutually meshing first gears 15, the two first gears 15 are arranged on the side of the connecting rod 9 away from the slider 8, and the two first gears 15 are respectively Sleeved on the outside of the fixed shaft 10 and the movable shaft 11 , the end of the fixed shaft 10 away from the first gear 15 is connected with a second gear 16 , and the fixed shaft 10 can drive the movable shaft 11 to rotate through the first gear 15 .

Further, in the above technical solution, the cavity 6 is provided with an outer ring gear 17 and an inner ring gear 18, the outer ring gear 17 is in sliding connection with the cavity 6, and the inner ring gear 18 is connected with the cavity 6 connected, the center of the outer ring gear 17 and the center of the inner ring gear 18 are arranged on the same horizontal axis, the second gear 16 is arranged between the inner ring gear 18 and the outer ring gear 17, and the second gear 16 is connected with the outer ring gear 18 respectively. The inner ring gear 18 and the outer ring gear 17 are meshed, so that the outer ring gear 17 drives the second gear 16 to rotate, and makes it do circular motion around the gap between the inner gear 18 and the outer gear 17 .

Further, in the above technical solution, the outer ring gear 17 is embedded with a transmission ring gear 19, the top of the housing 5 is provided with a motor 20, and the motor 20 is installed on the inner wall of the water-cooled box 1. The motor 20. One end of the output shaft is connected with a transmission gear 21. The transmission gear 21 penetrates through the housing 5 and meshes with the transmission ring gear 19. Through the cooperation of the transmission gear 21 and the transmission ring gear 19, the motor 20 can drive the outer surface of the housing 5. ring gear 17.

Further, in the above technical solution, the fixing mechanism includes a movable rod 22, the movable rod 22 is arranged between the slider 8 and the connecting rod 9, and the fixed block 23 is sheathed on the outside of the movable rod 22, the The fixed block 23 is connected with the slide block 8, a short shaft 24 is arranged inside the movable rod 22, one end of the short shaft 24 is connected with the connecting rod 9, and a spring 25 is connected between the short shaft 24 and the fixed block 23 , the spring 25 is sleeved on the outside of the movable rod 22, the side of the fixed block 23 away from the spring 25 is provided with an adjusting nut 26, and the adjusting nut 26 is sleeved on the outside of the movable rod 22 and is threadedly connected with the movable rod 22, By setting the spring 25 and the adjusting nut 26, the length of the movable rod 22 between the fixed block 23 and the short shaft 24 can be adjusted, thereby adjusting the distance between the suction roller 12 and the surrounding center point, so that it can cooperate with PP pipes of different sizes.

Further, in the above technical solution, the cross-sectional shape of the slider 8 is H-shaped, so that the slider 8 can be stuck on the wall of the annular groove 7 and can support the fixed shaft 10 outside it.

Further, in the above technical solution, the shape of the pressure water plate 14 is set in an arc shape, and a plurality of through holes are opened on the surface of the water pressure plate 14 to facilitate the drainage of the water extruded from the inside of the sponge sleeve 13 .

Further, in the above technical solution, the four corners of the bottom of the water-cooled box 1 are connected with supporting legs, and the side of the bottom of the water-cooled box 1 is connected with a drain pipe, and the drain pipe communicates with the water-cooled box 1 .

Further, in the above technical solution, a door panel is provided on the front side of the water-cooled box 1 , and the door panel is hinged to the water-cooled box 1 to facilitate operation and maintenance of the internal structure of the water-cooled box 1 .

A method for using a PP pipe water cooling device, comprising the following steps:

A. PP pipe installation: pass the PP pipe formed by the pipe extruder through the water cooling box 1, so that the PP pipe passes through the fixed ring 2 on the spray mechanism and the annular shell 5 in turn, and the suction roller 12 is in the fixed mechanism. The internal spring 25 acts downward and is pressed against the outside of the PP pipe. By setting a fixing mechanism, the suction roller 12 can move within a certain range, so that it can be matched with PP pipes of different sizes, and the door panel on the front side of the water cooling box 1 can be opened. , to facilitate the installation of the PP pipe, the PP pipe passes through the water cooling box 1 and connects to the external delivery device;

B. Adjust the water pressure plate: adjust the position of the water pressure plate 14 up and down, so that the water pressure plate 14 cooperates with the water suction roller 12. When the sponge cover 13 outside the water suction roller 12 moves on the surface of the water pressure plate 14, the distance between the centers of the water suction roller 12 The distance of the pressure water plate 14 is from far to near and then far away;

C. PP pipe spray cooling: After the installation is completed, the formed PP pipe passes through the water cooling box 1 to cool, and the water pump 4 is started, and the water pump 4 delivers the cooling water to the nozzle 3 through the water pipe, by setting multiple fixing rings 2, and fixing The ring 2 is equipped with a ring-shaped nozzle 3, which can uniformly cool the entire outer wall of the PP pipe in multiple sections, and the cooling water gathers at the bottom of the water-cooled tank 1, and finally discharges from the drain pipe;

D, PP pipe dewatering: while spraying, start the motor 20, the output shaft of the motor 20 drives the transmission gear 21 to rotate, and the transmission gear 21 drives the transmission ring gear 19 meshed with it, thereby driving the outer tube with the transmission ring gear 19 embedded The ring gear 17 rotates, and the outer ring gear 17 transmits the second gear 16 that is meshed with the second gear 16, so that the second gear 16 rotates, and the second gear 16 meshes with the inner ring gear 18 and the inner ring gear 18 is fixed with the cavity 6, so that The rotating second gear 16 rolls along the outer wall of the inner ring gear 18. The movement of the second gear 16 can drive the fixed shaft 10 connected to it to move, and the fixed shaft 10 drives the external slider 8 and connecting rod 9 to move. 8, the slider 8 is set in an H shape, which can be stuck on the inner wall of the annular groove 7 and slide along the annular groove 7, so that the fixed shaft 10 can be limited and the stability of the fixed shaft 10 can be improved, while the connecting rod 9 and the A spring 25 and a movable rod 22 are arranged between the sliders 8. The elastic force of the spring 25 can make the end of the movable rod 22 connected to the movable shaft 11 far away from the slider 8 and approach the PP pipe, so that the suction roller 12 at one end of the movable shaft 11 is close to the PP pipe, and the movable shaft 11 and the fixed shaft 10 are driven by a pair of first gears 15 meshing with each other, so that the movable shaft 11 can rotate around the PP pipe and rotate on its own, so that the sponge cover 13 on the surface of the suction roller 12 absorbs the PP Water droplets on the outer wall of the pipe;

E. Sponge sleeve drainage: When the sponge sleeve 13 moves to the position of the pressure water plate 14, the sponge sleeve 13 moves along the pressure water plate 14 and is squeezed. When the amount of water absorbed by the sponge sleeve 13 is too much, it will be squeezed out. Then quickly discharge through the through hole on the surface of the pressure water plate 14, so that the sponge cover 13 can keep the water absorption state, and avoid the water absorption saturation of the sponge cover 13.

Working principle: the present invention passes the PP pipe through the water-cooled tank 1, so that the PP pipe passes through the fixed ring 2 and the shell 5 in turn. At this time, the water suction roller 12 is pressed against the outside of the PP pipe by the spring 25, and the water is absorbed The roller 12 can move within a certain range, so that it can be matched with PP pipes of different sizes. The water pump 4 sends the cooling water to the nozzle 3, and cools the entire outer wall of the PP pipe evenly in multiple sections. The setting can rotate around the PP pipe. The water absorption roller 12 is used to make the sponge cover 13 absorb the remaining water droplets after the outer wall of the PP pipe is cooled, and finally adjust the position of the water pressure plate 14 to squeeze out the water in the sponge cover 13 to prevent the sponge cover 13 from being saturated due to long-term water absorption. , and then remove the water stain attached to the tube wall after water cooling, thereby solving the problem that the current water-cooled tube in the prior art will adhere to the tube wall after water cooling, and it is easy to attach dust, which will affect the subsequent processing of the PP tube.

Certain exemplary embodiments of the present invention have been described above only by way of illustration, and it goes without saying that those skilled in the art can use various methods without departing from the spirit and scope of the present invention. The described embodiments are modified. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the protection scope of the claims of the present invention.

Claims (6)

1. A PP tube water-cooling device, comprising a water-cooling box (1), characterized in that: the inside of the water-cooling box (1) is sequentially provided with a spray water-cooling mechanism and a water-absorbing mechanism; The spray water-cooling mechanism includes a plurality of fixed rings (2) equidistantly distributed, the fixed rings (2) are arranged inside the water-cooled box (1), and the fixed rings (2) are connected with the water-cooled box (1) , the fixed ring (2) is provided with a plurality of nozzles (3) distributed in an annular array, a water pump (4) is provided at the bottom of the water cooling box (1), and the plurality of nozzles (3) are connected to the water pump (4) through the water pipe ) outlets are connected; The water absorption mechanism includes a shell (5), which is connected to one side of the inner wall of the water-cooled box (1), and the shape of the shell (5) is ring-shaped, and the inside of the shell (5) A cavity (6) is provided, and an annular groove (7) is opened on one side surface of the housing (5). The annular groove (7) communicates with the cavity (6), and the inside of the annular groove (7) A slider (8) is slidably connected, and the side of the slider (8) away from the cavity (6) is provided with a connecting rod (9), and the two ends of the connecting rod (9) are respectively provided with fixed shafts (10) and the movable shaft (11), the fixed shaft (10) is arranged in parallel with the movable shaft (11), and the fixed shaft (10) and the movable shaft (11) both pass through the connecting rod (9) and connect with the connecting rod (9) Rotationally connected, the end of the fixed shaft (10) close to the slider (8) passes through the slider (8) and extends into the cavity (6), the fixed shaft (10) is rotatably connected with the slider (8), Both ends of the fixed shaft (10) are provided with a drive mechanism, a fixed mechanism is provided between the connecting rod (9) and the slider (8), and the end of the movable shaft (11) far away from the housing (5) is connected to There is a water suction roller (12), and the outside of the water suction roller (12) is provided with a sponge cover (13), and the bottom of the inner wall of the water cooling box (1) is provided with a pressure water plate (14) that can be adjusted up and down. Plate (14) matches with suction roller (12); The drive mechanism includes two first gears (15) meshing with each other. The two first gears (15) are arranged on the side of the connecting rod (9) away from the slider (8). The two first gears (15) respectively sleeved on the fixed shaft (10) and the movable shaft (11), the end of the fixed shaft (10) away from the first gear (15) is connected with the second gear (16); The cavity (6) is provided with an outer gear (17) and an inner gear (18), the outer gear (17) is slidingly connected with the cavity (6), and the inner gear (18) is connected with the cavity The cavity (6) is connected, the center of the outer ring gear (17) and the center of the inner ring gear (18) are set on the same horizontal axis, and the second gear (16) is set on the inner ring gear (18) and the outer gear between the rings (17), the second gear (16) meshes with the inner ring gear (18) and the outer ring gear (17) respectively; The outer ring gear (17) is embedded with a transmission ring gear (19), the top of the housing (5) is provided with a motor (20), and the motor (20) is installed on the inner wall of the water cooling box (1). One end of the output shaft of the motor (20) is connected with a transmission gear (21), and the transmission gear (21) runs through the housing (5) and meshes with the transmission ring gear (19); The fixing mechanism includes a movable rod (22), the movable rod (22) is arranged between the slider (8) and the connecting rod (9), and the outer part of the movable rod (22) is sleeved with a fixed block (23) , the fixed block (23) is connected with the slider (8), the movable rod (22) is provided with a short shaft (24), and one end of the short shaft (24) is connected with the connecting rod (9), A spring (25) is connected between the short shaft (24) and the fixed block (23), the spring (25) is sheathed outside the movable rod (22), and the fixed block (23) is away from the spring (25) An adjusting nut (26) is arranged on one side of the moving rod (22), and the adjusting nut (26) is sleeved on the outside of the moving rod (22) and is threadedly connected with the moving rod (22). 2. A PP pipe water cooling device according to claim 1, characterized in that: the cross-sectional shape of the slider (8) is H-shaped. 3. A PP pipe water cooling device according to claim 1, characterized in that: the shape of the pressure water plate (14) is arc-shaped, and a plurality of through holes are opened on the surface of the pressure water plate (14). 4. A PP pipe water cooling device according to claim 1, characterized in that: the four corners of the bottom of the water cooling box (1) are connected with supporting legs, and one side of the bottom of the water cooling box (1) is connected with a drain pipe, The drain pipe communicates with the water cooling box (1). 5. A PP tube water cooling device according to claim 1, characterized in that: a door panel is provided on the front side of the water cooling box (1), and the door panel is hinged to the water cooling box (1). 6. The method for using a PP pipe water cooling device according to any one of claims 1-5, characterized in that: comprising the following steps: (A), PP pipe installation: pass the PP pipe formed by the pipe extruder through the water cooling box (1), so that the PP pipe passes through the fixed ring (2) and the annular shell (5) on the spray mechanism in sequence , and the suction roller (12) is pressed downward against the outside of the PP pipe under the action of the spring (25) inside the fixing mechanism, and the PP pipe passes through the water cooling box (1) and is connected to the external conveying device; (B) Adjust the water pressure plate: adjust the position of the water pressure plate (14) up and down, so that the water pressure plate (14) cooperates with the suction roller (12), when the sponge sleeve (13) outside the water suction roller (12) is pressed When the surface of the water plate (14) moves, the distance from the center of the suction roller (12) to the pressure water plate (14) changes from far to near and then away; (C), PP pipe spray cooling: After the installation is completed, the formed PP pipe passes through the water cooling box (1) to cool, and the water pump (4) is started, and the water pump (4) inputs the cooling water to the nozzle (3) through the water pipe, so that Cool the entire outer wall of the PP pipe uniformly, the cooling water gathers at the bottom of the water cooling box (1), and finally discharges from the drain pipe; (D), PP pipe water removal: while spraying, start the motor (20), the output shaft of the motor (20) drives the transmission gear (21) to rotate, and the transmission gear (21) drives the transmission ring gear (19) meshed with it ), so as to drive the outer ring gear (17) embedded with the transmission ring gear (19) to rotate, and the outer ring gear (17) drives the second gear (16) that is meshed with the second gear (16), so that the second gear (16) rotates, and the second gear (16) rotates. The second gear (16) meshes with the ring gear (18) and the ring gear (18) is fixed with the cavity (6), so that the rotating second gear (16) rolls along the outer wall of the ring gear (18). The movement of the second gear (16) can drive the fixed shaft (10) connected to it to move, and the fixed shaft (10) drives the slider (8) and connecting rod (9) outside it to move, while the elastic force of the spring (25) can Make the end of the movable rod (22) connected to the movable shaft (11) away from the slider (8) and approach the PP pipe, so that the suction roller (12) at one end of the movable shaft (11) is close to the PP pipe, and the movable shaft (11) and the fixed shaft (10) are driven by a pair of intermeshing first gears (15), so that the movable shaft (11) can rotate around the PP pipe and rotate on its own, so that the sponge sleeve (13) on the surface of the suction roller (12) Blot the water droplets on the outer wall of the PP pipe; (E) Drainage of the sponge sleeve: when the sponge sleeve (13) moves to the position of the pressure water plate (14), the sponge sleeve (13) moves along the pressure water plate (14) and is squeezed, when the sponge sleeve (13) ) absorbs too much water, it will be squeezed out, and then quickly discharged through the through holes on the surface of the pressure water plate (14), so that the sponge cover (13) can maintain the water absorption state, and avoid the sponge cover (13) from absorbing water.

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