A cooling device for polyethylene pipe production

Abstract

The application discloses a kind of for polyethylene pipe production cooling device, the top side of bottom box is rotatably connected with support plate by fixed seat, the top of support plate is fixedly connected with pipe rack, the bottom of bottom box inner wall is fixedly connected with first support column on one side, the top of first support column is slidably connected with second support column by guide column, one side of second support column is rotatably connected with arc-shaped frame, the top center of arc-shaped frame is fixedly connected with driving motor, the output shaft end of driving motor is rotatably connected with rotating arm, rotating arm is provided with two, one end of rotating arm is rotatably connected with rotating shaft, the other end of rotating shaft is fixedly connected with driving wheel, tensioning device is arranged between two rotating arms, and the application relates to cooling technical field.This kind of for polyethylene pipe production cooling device, it solves the problem that cooling efficiency is low and inner wall is difficult to cool in time by using natural air cooling, improves cooling efficiency, and guarantees the quality of polyethylene pipe.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of cooling, in particular to a cooling device for polyethylene pipe production. BACKGROUND

[0002] The main material of polyethylene pipe is PE resin, which is polymerized from monomer ethylene. Different densities of resin can be obtained due to different polymerization reaction conditions such as pressure and temperature, so there are high-density polyethylene, medium-density polyethylene and low-density polyethylene. Polyethylene is a kind of thermoplastic resin with high crystallinity and non-polarity.

[0003] In the production and cooling process of polyethylene pipe, in order to improve the production efficiency of the pipe, a cooling device is needed to cool the pipe. Most of them use natural air cooling or separate water cooling. The natural air cooling has poor cooling effect and takes a long time, resulting in low cooling efficiency. The separate water cooling usually uses the spraying method to cool the outer surface of the pipe, and the inner wall is difficult to cool in time, which affects the quality of the polyethylene pipe. SUMMARY

[0004] In view of the shortcomings of the prior art, the present application provides a cooling device for polyethylene pipe production, which solves the problems of low cooling efficiency caused by natural air cooling and difficult timely cooling of the inner wall of separate water cooling, improves the cooling efficiency and ensures the quality of the polyethylene pipe.

[0005] To achieve the above purpose, the present application realizes the following technical scheme: a cooling device for polyethylene pipe production, comprising a bottom box, a fixed seat is fixedly connected to the top of the bottom box on one side, a supporting plate is rotatably connected to one side of the fixed seat, a first actuator is rotatably connected to the top of the bottom box away from the fixed seat, the working end of the first actuator is rotatably connected to one end of the supporting plate, a pipe rack is fixedly connected to the top of the supporting plate, a first supporting column is fixedly connected to the inner wall of the bottom box on one side, a guide column is vertically fixedly connected to the top of the first supporting column, a second supporting column is slidably connected to the surface of the guide column, an arc-shaped frame is rotatably connected to one side of the second supporting column, a driving motor is fixedly connected to the top center of the arc-shaped frame, a rotating arm is rotatably connected to the output shaft end of the driving motor, the driving motor has two rotating arms, the output shaft of the driving motor is also fixedly connected with a first belt pulley, a rotating shaft is rotatably connected to one end of the rotating arm, a second belt pulley is fixedly connected to one end of the rotating shaft, a driving wheel is fixedly connected to the other end of the rotating shaft, a belt is transmissionally connected between the first belt pulley and the second belt pulley, a tensioning device is arranged between the two rotating arms, and water is arranged in the bottom box and the water level is above the pipe rack.

[0006] Preferably, two sides of the inner wall of the bottom box are provided with water spraying pipes below the supporting plate, the surface of the water spraying pipes is provided with nozzles, one side of the bottom of the inner wall of the bottom box is provided with a submersible pump, and a connecting pipe is communicated between the water outlet end of the submersible pump and one end of the water spraying pipe.

[0007] Preferably, the pipe support comprises a base, the top of the base is arc-shaped, the top of the base is fixedly connected with a mounting seat, and the mounting seat is provided with a ball bearing.

[0008] Preferably, a second actuator is arranged between the first support column and the second support column, and the second actuator drives the second support column to move up and down.

[0009] Preferably, the second support column is rotatably connected with a third actuator at one side, and the working end of the third actuator is rotatably connected with one end of the arc-shaped frame.

[0010] Preferably, the bottom of the supporting plate is provided with a sealing box, a sliding rod is vertically and fixedly connected in the sealing box, a sliding block is slidably connected to the surface of the sliding rod, a baffle is fixedly connected to one side of the sliding block, the baffle extends to the outside of the sealing box, a winding motor is fixedly connected to the top of one side of the inner wall of the sealing box, a fixed pulley is further arranged in the sealing box, the working end of the winding motor is provided with a steel cable, one end of the steel cable passes through the fixed pulley and is fixedly connected with the sliding block, and a tension spring is arranged between the bottom of the sliding block and the bottom of the inner wall of the sealing box.

[0011] Preferably, the surface of the supporting plate is provided with a strip-shaped hole matched with the baffle, and the top of the sealing box is provided with a sealing rubber ring matched with the baffle.

[0012] Preferably, one side of the bottom box is provided with a water inlet pipe and a water outlet pipe.

[0013] Preferably, the tensioning device comprises a fixed cylinder and a connecting seat, sliding blocks are slidably connected in the fixed cylinder, the sliding blocks are provided with two, a connecting rod is fixedly connected to one end of the sliding blocks, one end of the connecting rod extends to the outside of the fixed cylinder and is rotatably connected with the connecting seat, and springs are arranged between one side of the sliding blocks and the inner wall of the fixed cylinder.

[0014] The application provides a cooling device for polyethylene pipe production.

[0015] The cooling device for polyethylene pipe production, by placing the pipe supporting plate into the bottom box, the water level in the bottom box is higher than the supporting plate, after the pipe is placed, the pipe wall is immersed in water, the inner and outer walls are cooled at the same time, the pipe itself is rotated by the rotation of the driving wheel, the whole pipe wall can be cooled, the cooling efficiency is improved; in addition, the water spray pipe is arranged in the bottom box, the water flow speed is improved, the cooling effect is accelerated; finally, the first actuator drives the supporting plate to rotate around the fixed seat, the water in the pipe is quickly discharged, the working efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the application;

[0017] Figure 2 It is a structural schematic diagram of the application Figure 1 It is an enlarged view of A in the application;

[0018] Figure 3 It is a schematic diagram of the arc-shaped frame and the driving wheel connection of the application;

[0019] Figure 4 It is a structural schematic diagram of the pipe frame of the application;

[0020] Figure 5 It is a structural schematic diagram of the tensioning device of the application.

[0021] In the figure: 1-bottom box, 2-fixed seat, 3-supporting plate, 4-first actuator, 5-pipe frame, 51-base, 52-mounting seat, 53-rolling ball, 6-first supporting column, 7-second supporting column, 8-arc-shaped frame, 9-driving motor, 10-rotation arm, 11-first belt pulley, 12-rotation shaft, 13-driving wheel, 14-second belt pulley, 15-belt, 16-tensioning device, 161-fixed cylinder, 162-sliding block, 163-connecting rod, 164-spring, 165-connecting seat, 17-water spray pipe, 18-nozzle, 19-submersible pump, 20-connecting pipe, 21-, 22-second actuator, 23-third actuator, 24-sealing box, 25-sliding rod, 26-sliding block, 27-baffle, 28-winding motor, 29-fixed pulley, 30-steel cable, 31-tension spring, 32-water inlet pipe, 33-water outlet pipe. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the application.

[0023] Please refer to Figures 1-5 The application provides a technical scheme: a cooling device for polyethylene pipe production, which comprises a bottom box 1, a fixed seat 2 is fixedly connected to one side of the top of the bottom box 1, a supporting plate 3 is rotatably connected to one side of the fixed seat 2, a first actuator 4 is rotatably connected to the top of the bottom box 1 and away from the fixed seat 2, the first actuator 4 is a hydraulic cylinder, and the working end of the first actuator 4 is rotatably connected to one end of the supporting plate 3; through the working of the first actuator 4, the supporting plate 3 can be in an inclined state, so that water in the pipe can be easily discharged; a plurality of through holes are arranged on the surface of the supporting plate 3; a pipe rack 5 is fixedly connected to the top of the supporting plate 3 and detachably connected with the supporting plate 3; the pipe rack 5 is provided in multiple specifications and can adapt to different pipe diameters; the pipe rack 5 comprises a base 51, the top of the base 51 is arc-shaped, an installation seat 52 is fixedly connected to the top of the base 51, and a plurality of ball bearings 53 are arranged in the installation seat 52; the ball bearings 53 are slidably connected with the installation seat 52 and can rotate in all directions, thereby reducing the friction between the pipe and the pipe rack 5.

[0024] A first supporting column 6 is fixedly connected to one side of the inner wall of the bottom of the bottom box 1, a guide column 21 is vertically fixedly connected to the top of the first supporting column 6, a second supporting column 7 is slidably connected to the surface of the guide column 21, and a second actuator 22 is arranged between the first supporting column 6 and the second supporting column 7; the second actuator 22 is a hydraulic cylinder or an electric telescopic rod; the second actuator 22 drives the second supporting column 7 to move up and down, thereby adapting to different pipe diameters.

[0025] An arc-shaped frame 8 is rotatably connected to one side of the second supporting column 7, a third actuator 23 is rotatably connected to one side of the second supporting column 7, the working end of the third actuator 23 is rotatably connected to one end of the arc-shaped frame 8, and the third actuator 23 is a hydraulic cylinder or an electric telescopic rod; the arc-shaped frame 8 can be driven to rotate through the third actuator 23; a driving motor 9 is fixedly connected to the top center of the arc-shaped frame 8, a rotating arm 10 is rotatably connected to the output shaft end of the driving motor 9, the driving motor 9 further comprises a first belt pulley 11, a rotating shaft 12 is rotatably connected to one end of the rotating arm 10, a second belt pulley 14 is fixedly connected to one end of the rotating shaft 12, a driving wheel 13 is fixedly connected to the other end of the rotating shaft 12, a belt 15 is in transmission connection between the first belt pulley 11 and the second belt pulley 14, the driving wheel 13 can be driven to rotate through the belt 15, the surface of the driving wheel 13 is in contact with the surface of the pipe, so that the rotation of the pipe is realized, and the whole pipe is cooled; in order to improve the friction between the driving wheel 13 and the pipe, the surface of the driving wheel 13 is provided with rubber.

[0026] The two rotating arms 10 are provided with a tensioning device 16, the tensioning device 16 comprises a fixed cylinder 161 and a connecting seat 165, the connecting seat 165 is provided with two and is fixedly connected with one side of the rotating arm 10, the sliding block 162 is slidably connected in the fixed cylinder 161, the sliding block 162 is provided with two, one end of the sliding block 162 is fixedly connected with the connecting rod 163, one end of the connecting rod 163 extends to the outside of the fixed cylinder 161 and is rotatably connected with the connecting seat 165, the spring 164 is arranged between one side of the sliding block 162 and the inner wall of the fixed cylinder 161, the two rotating arms 10 are close to each other through the tensioning device 16, the pressure of the driving wheel 13 and the pipeline is guaranteed, the slip is avoided, and meanwhile the deformation of the pipeline caused by the excessive pressure applied by the driving wheel 13 is also avoided.

[0027] The bottom box 1 is provided with water, and the water level is located above the pipe rack 5, so that the pipe wall at the bottom of the pipeline can be immersed in water to achieve cooling of the inner and outer walls.

[0028] The two sides of the inner wall of the bottom box 1 are provided with water spray pipes 17, the water spray pipes 17 are located below the supporting plate 3, the surface of the water spray pipe 17 is provided with a nozzle 18, one side of the bottom of the inner wall of the bottom box 1 is provided with a submersible pump 19, the connecting pipe 20 is communicated between the water outlet end of the submersible pump 19 and one end of the water spray pipe 17, the flow of water body can be driven through the nozzle 18, the water temperature on the side close to the pipeline is prevented from rising, and the cooling effect is affected.

[0029] The bottom of the supporting plate 3 is provided with a sealing box 24, the sliding rod 25 is vertically and fixedly connected in the sealing box 24, the sliding block 26 is slidably connected on the surface of the sliding rod 25, the side of the sliding block 26 is fixedly connected with the baffle 27, the surface of the baffle 27 is provided with a through hole, the surface of the supporting plate 3 is provided with a strip-shaped hole matched with the baffle 27, the top of the sealing box 24 is provided with a sealing rubber ring matched with the baffle 27, the baffle 27 extends to the outside of the sealing box 24, the top side of the inner wall of the sealing box 24 is fixedly connected with the winding motor 28, the sealing box 24 is also provided with a fixed pulley 29, the working end of the winding motor 28 is provided with a steel cable 30, one end of the steel cable 30 passes through the fixed pulley 29 and is fixedly connected with the sliding block 26, the bottom of the sliding block 26 and the bottom of the inner wall of the sealing box 24 are provided with a tension spring 31, when the supporting plate 3 is inclined, the baffle 27 is lifted under the driving of the winding motor 28 and abuts against one end of the pipeline, so that the sliding of the pipeline is avoided, and the water in the pipeline is quickly discharged.

[0030] One side of the bottom box 1 is provided with an inlet pipe 32 and an outlet pipe 33, so that the water in the bottom box 1 is circulated, and the water temperature in the bottom box 1 is prevented from rising.

[0031] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and implementations, it is to be understood that the terminology used is for the purpose of descriptive clarity and that it should be taken in a descriptive sense and not a limiting sense.

[0032] While the embodiments of the application have been shown and described herein, it is to be understood that the application is not limited to these embodiments. Rather, many modifications, changes, substitutions, and alterations can be made to the embodiments of the application without departing from the spirit and scope of the application as defined by the appended claims and their equivalents.

Claims

1. A cooling device for polyethylene pipe production comprising a bottom box (1), characterized by: The top side of the bottom box (1) is fixedly connected with a fixed seat (2), one side of the fixed seat (2) is rotatably connected with a supporting plate (3), the top of the bottom box (1) and away from the fixed seat (2) is rotatably connected with a first actuator (4), the working end of the first actuator (4) is rotatably connected with one end of the supporting plate (3), the top of the supporting plate (3) is fixedly connected with a pipe support (5), one side of the bottom of the inner wall of the bottom box (1) is fixedly connected with a first supporting column (6), the top of the first supporting column (6) is vertically fixedly connected with a guide column (21), the surface of the guide column (21) is slidably connected with a second supporting column (7), one side of the second supporting column (7) is rotatably connected with an arc-shaped frame (8), the top center of the arc-shaped frame (8) is fixedly connected with a driving motor (9), the output shaft end of the driving motor (9) is rotatably connected with a rotating arm (10), the driving motor (9) is further fixedly connected with a first belt pulley (11), one end of the rotating arm (10) is rotatably connected with a rotating shaft (12), one end of the rotating shaft (12) is fixedly connected with a second belt pulley (14), the other end of the rotating shaft (12) is fixedly connected with a driving wheel (13), the surface of the driving wheel (13) is provided with rubber, the first belt pulley (11) and the second belt pulley (14) are transmissionally connected with a belt (15), the first supporting column (6) and the second supporting column (7) are provided with a second actuator (22), the second actuator (22) drives the second supporting column (7) to move up and down, one side of the second supporting column (7) is rotatably connected with a third actuator (23), the working end of the third actuator (23) is rotatably connected with one end of the arc-shaped frame (8), the two rotating arms (10) are provided with a tensioning device (16), the tensioning device (16) comprises a fixed cylinder (161) and a connecting seat (165), the fixed cylinder (161) is slidably connected with a sliding block (162), the sliding block (162) is provided with two, one end of the sliding block (162) is fixedly connected with a connecting rod (163), one end of the connecting rod (163) extends to the outside of the fixed cylinder (161) and is rotatably connected with the connecting seat (165), the sliding block (162) is provided with a spring (164) between one side and the inner wall of the fixed cylinder (161), the bottom box (1) is provided with water and the water level is above the pipe support (5).

2. A cooling device for polyethylene pipe production according to claim 1, characterized in that: The inner wall of the bottom box (1) is provided with a water spraying pipe (17) on both sides, the water spraying pipe (17) is below the supporting plate (3), the surface of the water spraying pipe (17) is provided with a nozzle (18), the bottom side of the inner wall of the bottom box (1) is provided with a submersible pump (19), the water outlet end of the submersible pump (19) is in communication with one end of the water spraying pipe (17) through a connecting pipe (20).

3. A cooling device for polyethylene pipe production according to claim 1, characterized in that: The pipe frame (5) comprises a base (51), the top of the base (51) is arc-shaped, the top of the base (51) is fixedly connected with a mounting seat (52), and the mounting seat (52) is provided with a ball (53) therein.

4. A cooling device for polyethylene pipe production according to claim 1, characterized in that: The bottom of the supporting plate (3) is provided with a sealing box (24), the sealing box (24) is vertically and fixedly connected with a sliding rod (25) therein, the surface of the sliding rod (25) is slidably connected with a sliding block (26), one side of the sliding block (26) is fixedly connected with a baffle (27), the baffle (27) extends to the outside of the sealing box (24), the top of the inner wall of the sealing box (24) is fixedly connected with a winding motor (28) on one side, the sealing box (24) is further provided with a fixed pulley (29), the working end of the winding motor (28) is provided with a steel cable (30), one end of the steel cable (30) passes through the fixed pulley (29) and is fixedly connected with the sliding block (26), and the bottom of the sliding block (26) and the bottom of the inner wall of the sealing box (24) are provided with a tension spring (31).

5. A cooling device for polyethylene pipe production according to claim 4, characterized in that: The surface of the supporting plate (3) is provided with a strip-shaped hole matched with the baffle (27), and the top of the sealing box (24) is provided with a sealing rubber ring matched with the baffle (27).

6. A cooling device for polyethylene pipe production according to claim 1, characterized in that: One side of the bottom box (1) is provided with a water inlet pipe (32) and a water outlet pipe (33).

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