CN213618280U

CN213618280U - PE pipe cooling device

Info

Publication number: CN213618280U
Application number: CN202021649942.XU
Authority: CN
Inventors: 刘树峰
Original assignee: Tianjin Tianhuayuan Technology Co ltd
Current assignee: Tianjin Tianhuayuan Technology Co ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-07-06
Anticipated expiration: 2030-08-10

Abstract

The utility model discloses a PE pipe cooling device, including normal temperature water tank, normal temperature water pump, multiunit normal atmospheric temperature shower nozzle, the refrigeration water tank, low temperature water pump, multiunit low temperature nozzle, the multiunit water pipe, the cooler bin, feed arrangement and discharging device, be provided with the cooling chamber in the cooler bin, the input of normal atmospheric temperature water pump leads to pipe with normal temperature water tank's output, normal atmospheric temperature water pump's output leads to multiunit water piping connection with multiunit normal atmospheric temperature nozzle's input, multiunit normal atmospheric temperature nozzle's output passes the left part of the rear end of cooler bin respectively and injects the cooling intracavity, low temperature water pump's input leads to pipe with refrigeration water tank's output, low temperature water pump's output passes to multiunit water piping connection with multiunit low temperature nozzle's input, multiunit low temperature nozzle's output passes the right part of the. The utility model discloses, can effectively cool down to the PE pipe, can not produce great cold amazing to the PE pipe moreover, improve the quality of PE pipe.

Description

PE pipe cooling device

Technical Field

The utility model relates to a technical field is made to tubular product, specifically is a PE pipe cooling device.

Background

PE is a polyethylene plastic, because its excellent unique property is widely used in building water supply, building drainage, building heating, gas transmission and distribution, gas transmission pipe, industrial pipe, agricultural pipe, etc., its main application and fields such as city water supply, city gas supply and farmland irrigation, in the course of producing PE pipe, after the injection molding extrusion molding of PE pipe, the pipe material needs to be cooled down and shaped quickly to avoid the deformation of pipe material, influence appearance and produce quality problems, the existing pipe material cooling does not usually achieve effective cooling, seriously influence the quality of pipe material, and the existing cooling device cools down PE pipe quickly, the PE pipe is stimulated by cold, cause the texture of PE pipe to be crisp, influence the quality of PE pipe.

To this end, a PE pipe cooling device is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PE manages cooling device can effectively cool down to PE pipe, can not produce great cold amazing to PE pipe moreover, has improved the quality of PE pipe to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a PE pipe cooling device comprises a normal temperature water tank, a normal temperature water pump, a plurality of groups of normal temperature spray heads, a refrigeration water tank, a low temperature water pump, a plurality of groups of low temperature spray heads, a plurality of groups of water pipes, a cooling tank, a feeding device and a discharging device, wherein a cooling cavity is arranged in the cooling tank, the input end of the normal temperature water pump is connected with the output end of the normal temperature water tank through the water pipes, the output end of the normal temperature water pump is connected with the input end of the plurality of groups of normal temperature spray heads through the plurality of groups of water pipes, the output end of the plurality of groups of normal temperature spray heads respectively penetrates through the left part of the rear end of the cooling tank to be inserted into the cooling cavity, the input end of the low temperature water pump is connected with the output end of the refrigeration water tank through the water pipes, the output end of the low temperature water pump is connected with the input end, the right-hand member of feed arrangement with the cooler bin is connected, discharging device's left end with the right-hand member of cooler bin is connected, be provided with the refrigeration chamber in the refrigeration water tank, be provided with compressor, condenser, choke valve, evaporimeter and pipe in the refrigeration chamber, compressor's output with the input of condenser is connected, the condenser output with the input of choke valve passes through pipe connection, the output of choke valve with the input of evaporimeter passes through pipe connection, the output of evaporimeter with compressor's input passes through pipe connection, the lateral wall in refrigeration chamber is provided with the heat-conducting plate, the heat-conducting plate with the evaporimeter is connected.

Preferably, the water collecting tank is positioned at the lower part of the cooling cavity, a water outlet is formed in the bottom end of the water collecting tank, the water outlet is connected with the input end of the filtering chamber, the output end of the filtering chamber is connected with the input end of the circulating water pump through the water pipe, and the output end of the circulating water pump is connected with the upper part of the normal-temperature water tank through the water pipe.

Preferably, feed arrangement includes feeding frame, feeding motor, multiunit feed roller, drive sprocket, multiunit driven sprocket and driving chain, the feeding motor with the feeding frame is connected, the output of feeding motor with drive sprocket connects, the multiunit the front end and the rear end of feed roller respectively with the front portion and the rear portion rotatable coupling of feeding frame, the multiunit the front portion of feed roller respectively with the multiunit the driven sprocket suit, drive sprocket and multiunit the driven sprocket passes through the driving chain is connected.

Preferably, the front part and the rear part of the feeding frame are provided with material baffle plates.

Preferably, discharging device includes drive roll, driven voller, two sets of electric telescopic handle, two sets of positioning seats and play work or material rest, the front end and the rear end of drive roll respectively with the front portion and the rear portion rotatable coupling of play work or material rest, the front portion of drive roll with the driven sprocket suit, driven sprocket with drive sprocket passes through the driving chain is connected, the inboard at the front portion and the rear portion of play work or material rest all is provided with the locating plate, and is two sets of the bottom of locating plate respectively with two sets of electric telescopic handle's top is connected, and is two sets of electric telescopic handle's bottom respectively with two sets of the top of positioning seat is connected, and is two sets of keeping away from of positioning seat the one end of going out the work or material rest respectively with the front end.

Preferably, still include two sets of water brushes, servo motor, two sets of positioning disk, two sets of drive gear and two sets of cardboards of sweeping, two sets of the positioning disk respectively with the front end and the rear end of play work or material rest are connected, and are two sets of the positioning disk all is provided with the constant head tank, and is a set of sweep the front end of water brush pass anterior the positioning disk and anterior the lower part of cardboard with servo motor's output is connected, sweep the rear end of water brush pass the rear portion the positioning disk with the cardboard with a set of drive gear is connected, another group sweep the front end of water brush and pass the constant head tank with anterior cardboard rotatable coupling, sweep the rear end of water brush pass the rear portion the constant head tank and the rear portion the cardboard with another group drive gear is connected, and two sets of drive gear meshes mutually.

Preferably, the air blower further comprises an air blower, a plurality of ventilation pipes and a plurality of groups of air nozzles, wherein the output end of the air blower is connected with the input ends of the air nozzles through the ventilation pipes, and the air nozzles are connected with the discharging frame.

Preferably, a water filling port is arranged at the top end of the normal-temperature water tank, and the upper part of the normal-temperature water tank is connected with the upper part of the refrigeration water tank through the water pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses, the user is through feed arrangement with PE pipe transport in the cooler bin, normal atmospheric temperature water pump normal atmospheric temperature water in the normal atmospheric temperature water tank is gone into the normal atmospheric temperature shower nozzle through the water pipe pump, then normal atmospheric temperature water is sprayed on the PE pipe to the normal atmospheric temperature shower nozzle, lower the temperature to the PE pipe, reduce the temperature of bumping the pipe, then the PE pipe is carried right under feed arrangement's effect, low temperature water pump passes through the water pipe pump with the cooling water in the refrigerator bin and goes into in the low temperature shower nozzle, low temperature shower nozzle sprays the cooling water on the PE pipe, the heat of cooling water passes through the heat-conducting plate and transmits to the evaporimeter, the evaporimeter absorbs the heat of heat-conducting plate, the liquid refrigerant vaporization in the evaporimeter, then get into the compressor through the pipe, get into the condenser after the compression, release heat in the condenser, the condensation is high-pressure liquid, be the low pressure cryogenic liquid, reach the cryogenic purpose of circulation, reduce the temperature of cooling water, the PE pipe is through normal atmospheric temperature water cooling, then is cooling through the cooling water, can effectively cool down to the PE pipe, does not influence the quality of PE pipe moreover, realizes effectively cooling down to the PE pipe, can not produce great cold stimulus to the PE pipe moreover, has improved the quality of PE pipe.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of the feeding device of the present invention;

FIG. 3 is a schematic structural view of the discharging device of the present invention;

FIG. 4 is a schematic structural view of the water sweeping brush and the connecting structure thereof according to the present invention;

fig. 5 is a schematic top view of the cooling box of the present invention;

fig. 6 is a schematic sectional view of the refrigeration water tank of the present invention.

In the figure: 1. a normal temperature water tank; 2. a normal temperature water pump; 3. a normal temperature spray head; 4. a refrigeration water tank; 5. a low-temperature water pump; 6. a low temperature showerhead; 7. a water pipe; 8. a cooling tank; 9. a refrigeration compressor; 10. a condenser; 11. A throttle valve; 12. an evaporator; 13. a conduit; 14. a heat conducting plate; 15. a water collection tank; 16. a water circulating pump; 17. a filtering chamber; 18. a feeding frame; 19. a feeding motor; 20. a feed roll; 21. a drive sprocket; 22. a driven sprocket; 23. a drive chain; 24. a striker plate; 25. a drive roll; 26. a driven roller; 27. An electric telescopic rod; 28. positioning seats; 29. a discharging frame; 30. positioning a plate; 31. a water sweeping brush; 32. a servo motor; 33. positioning a plate; 34. a transmission gear; 35. clamping a plate; 36. a blower; 37. a vent pipe; 38. a tuyere; 39. and (4) a water filling port.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 6, the present invention provides a technical solution:

a PE pipe cooling device is shown in figures 1-6 and comprises a normal temperature water tank 1, a normal temperature water pump 2, a plurality of groups of normal temperature spray heads 3, a refrigeration water tank 4, a low temperature water pump 5, a plurality of groups of low temperature spray heads 6, a plurality of groups of water pipes 7, a cooling tank 8, a feeding device and a discharging device, wherein a cooling cavity is arranged in the cooling tank 8, the input end of the normal temperature water pump 2 is connected with the output end of the normal temperature water tank 1 through the water pipes 7, the output end of the normal temperature water pump 2 is connected with the input ends of the plurality of groups of normal temperature spray heads 3 through the plurality of groups of water pipes 7, the output ends of the plurality of groups of normal temperature spray heads 3 respectively penetrate through the left part of the rear end of the cooling tank 8 and are inserted into the cooling cavity, the input end of the low temperature water pump 5 is connected with the output end of the refrigeration water tank 4 through the, the output end of the multiple groups of low-temperature spray heads 6 respectively penetrates through the right part of the rear end of the cooling box 8 and is inserted into the cooling cavity, the right end of the feeding device is connected with the cooling box 8, the left end of the discharging device is connected with the right end of the cooling box 8, a refrigerating cavity is arranged in the refrigerating water tank 4, a refrigerating compressor 9, a condenser 10, a throttle valve 11, an evaporator 12 and a conduit 13 are arranged in the refrigerating cavity, the output end of the refrigerating compressor 9 is connected with the input end of the condenser 10, the output end of the condenser 10 is connected with the input end of the throttle valve 11 through the conduit 13, the output end of the throttle valve 11 is connected with the input end of the evaporator 12 through the conduit 13, the output end of the evaporator 12 is connected with the input end of the refrigerating compressor 9 through the conduit 13, and the side wall of the refrigerating cavity is, the heat conducting plate 14 is connected with the evaporator 12;

specifically, as shown in fig. 1 and 5, the water collecting tank 15, the circulating water pump 16 and the filtering chamber 17 are further included, the water collecting tank 15 is located at the lower portion of the cooling chamber, a water outlet is formed in the bottom end of the water collecting tank 15, the water outlet is connected with the input end of the filtering chamber 17, the output end of the filtering chamber 17 is connected with the input end of the circulating water pump 16 through the water pipe 7, and the output end of the circulating water pump 16 is connected with the upper portion of the normal temperature water tank 1 through the water pipe 7.

Through adopting above-mentioned technical scheme, at water from normal atmospheric

temperature shower nozzle

3 and 6 blowout of low temperature shower nozzle, after cooling down to the PE pipe, fall on in header tank 15, then get into filter chamber 17 through the delivery port, be provided with the active carbon adsorption layer in filter chamber 17, filter cooling water, then go into normal atmospheric temperature water tank 1 through circulating water pump 16 pump in, carry out cyclic utilization to cooling water, strengthened cooling device's feature of environmental protection.

Specifically, as shown in fig. 2, the feeding device includes a feeding frame 18, a feeding motor 19, a plurality of feeding rollers 20, a driving sprocket 21, a plurality of driven sprockets 22 and a transmission chain 23, the feeding motor 19 is connected to the feeding frame 18, an output end of the feeding motor 19 is connected to the driving sprocket 21, front ends and rear ends of the plurality of feeding rollers 20 are rotatably connected to a front portion and a rear portion of the feeding frame 18, front portions of the plurality of feeding rollers 20 are respectively sleeved to the plurality of driven sprockets 22, and the driving sprocket 21 and the plurality of driven sprockets 22 are connected by the transmission chain 23.

Through adopting above-mentioned technical scheme, feeding motor 19 drives out the running gear and rotates, and drive sprocket 21 drives driven sprocket 22 through driving chain 23 and rotates, and driven sprocket 22 drives feed roller 20 and rotates, and feed roller 20 drives the PE pipe and removes, has strengthened cooling device's stability and practicality.

Specifically, as shown in fig. 1, the front part and the rear part of the feeding frame 18 are provided with striker plates 24.

Through adopting above-mentioned technical scheme, striker plate 24 can prevent that the PE pipe from removing the front end or the rear end position to feed roll 20 in the data send process, is caused the damage by driving chain 23 and driven sprocket 22 etc. and influences the quality of spray tube, has strengthened cooling device's reliability and security.

Specifically, as shown in fig. 3, the discharging device includes a driving roller 25, a driven roller 26, two sets of electric telescopic rods 27, two sets of positioning seats 28 and a discharging frame 29, the front end and the rear end of the driving roller 25 are respectively rotatably connected with the front portion and the rear portion of the discharging frame 29, the front portion of the driving roller 25 is sleeved with the driven sprocket 22, the driven sprocket 22 is connected with the driving sprocket 21 through the transmission chain 23, positioning plates 30 are respectively disposed on the inner sides of the front portion and the rear portion of the discharging frame 29, the bottom ends of the two sets of positioning plates 30 are respectively connected with the top ends of the two sets of electric telescopic rods 27, the bottom ends of the two sets of electric telescopic rods 27 are respectively connected with the top ends of the two sets of positioning seats 28, and one ends of the two sets of positioning seats 28, which are far away from the discharging frame 29.

Through adopting above-mentioned technical scheme, feeding motor 19 drives drive sprocket 21 and rotates, drive sprocket 21 drives drive roll 25 through driven sprocket 22 and driving chain 23 and rotates, the user can be through adjusting electric telescopic handle 27, electric telescopic handle 27 drives positioning seat 28 and removes, positioning seat 28 drives driven voller 26 and removes, thereby control the distance between drive roll 25 and the driven voller 26, so that carry the PE pipe of different bores, cooling device's reliability has been strengthened, cooling device's use limitation has been reduced.

Specifically, as shown in fig. 4, the device further comprises two groups of water sweeping brushes 31, a servo motor 32, two groups of positioning discs 33, two groups of transmission gears 34 and two groups of clamping plates 35, wherein the two groups of positioning discs 33 are respectively connected with the front end and the rear end of the discharging frame 29, the two groups of positioning discs 33 are respectively provided with a positioning groove, the front end of one group of water sweeping brushes 31 passes through the positioning disc 33 at the front part and the lower part of the clamping plate 35 at the front part to be connected with the output end of the servo motor 32, the rear end of the water sweeping brush 31 passes through the positioning disc 33 and the clamping plate 35 at the rear part to be connected with one group of the transmission gear 34, the front end of the other group of the water sweeping brush 31 passes through the positioning groove to be rotatably connected with the clamping plate 35 at the front part, the rear end of the water sweeping brush 31 passes through the positioning groove at the rear part and the clamping plate 35 at the rear part to be connected with the other group of the transmission gears 34, and the two groups of the transmission gears 34 are meshed.

Through adopting above-mentioned technical scheme, after the PE pipe cooling is accomplished, have water on the PE pipe, influence subsequent operation, the user starts servo motor 32, servo motor 32 drives the lower part and sweeps water brush 31 and rotates, the water brush 31 that sweeps of lower part drives upper portion through drive gear 34 and sweeps water brush 31 and rotates, sweep water brush 31 and rotate, it sweeps down adnexed water on the PE pipe, so that the subsequent operation of PE pipe, cooling device's work efficiency has been strengthened, the constant head tank is everywhere equal to the distance of sweeping water brush 31 of lower part, cardboard 35 can be adjusted to the user, make the water brush 31 that sweeps on upper portion rotate along the constant head tank, thereby adjust two sets of distances of sweeping the vertical direction between the water brush 31, be applicable to the PE pipe of different bores, cooling device's use limitation has been reduced.

Specifically, as shown in fig. 1, the device further includes a blower 36, a ventilation pipe 37 and a plurality of sets of nozzles 38, an output end of the blower 36 is connected with input ends of the plurality of sets of nozzles 38 through the ventilation pipe 37, and the plurality of sets of nozzles 38 are connected with the discharging frame 29.

Through adopting above-mentioned technical scheme, hair-dryer 36 blast air is through ventilation pipe 37, blows off from tuyere 38, blows on the PE pipe that the cooling was accomplished, makes PE pipe rapid draing to the follow-up processing of PE pipe has improved cooling device's work efficiency, has strengthened cooling device's multifunctionality.

Specifically, as shown in fig. 5, a water filling port 39 is provided at the top end of the normal temperature water tank 1, and the upper portion of the normal temperature water tank 1 is connected to the upper portion of the refrigeration water tank 4 through the water pipe 7.

Through adopting above-mentioned technical scheme, the user can add water to normal atmospheric temperature water tank 1 through filler 39, and consumption when supplementing the cooling can pass through water pipe 7, lets in the water in the normal atmospheric temperature water tank 1 in refrigerating water tank 4, the consumption of supplementary refrigerating water tank 4 internal water.

The working principle is as follows: a user conveys a PE pipe into a cooling box 8 through a feeding device, a normal temperature water pump 2 pumps normal temperature water in a normal temperature water tank 1 into a normal temperature spray head 3 through a water pipe 7, then the normal temperature spray head 3 sprays the normal temperature water on the PE pipe to cool the PE pipe, the temperature of the collision pipe is reduced, then the PE pipe is conveyed rightwards under the action of the feeding device, a low temperature water pump 5 pumps cooling water in a refrigerating water tank 4 into a low temperature spray head 6 through the water pipe 7, the low temperature spray head 6 sprays the cooling water on the PE pipe, the heat of the cooling water is transferred to an evaporator 12 through a heat conducting plate 14, the evaporator 12 absorbs the heat of the heat conducting plate 14, a liquid refrigerant in the evaporator 12 enters a compressor through a guide pipe 13 and enters a condenser 10 after being compressed, heat is released in the condenser 10 and is condensed into high pressure liquid, and the high pressure liquid is throttled into a low pressure and low temperature liquid refrigerant through a, then get into evaporimeter 12 once more, the heat absorption vaporization reaches the purpose of circulating refrigeration, reduces the temperature of cooling water, and the PE pipe is through normal atmospheric temperature water cooling, then is cooling through the cooling water, can effectively cool down to the PE pipe, does not influence the quality of PE pipe moreover, realizes effectively cooling down to the PE pipe, can not produce great cold stimulus to the PE pipe moreover, has improved the quality of PE pipe.

The utility model discloses the use of normal atmospheric temperature water pump 2, low temperature water pump 5, compressor 9, circulating water pump 16, feeding motor 19, electric telescopic handle 27, servo motor 32 and hair-dryer 36 and above-mentioned part all adopt the utility model provides a background data is given, and cooperate the utility model discloses a description of specification, the affiliated technical field personnel can reach its use to obtain corresponding result of use, the event does not have the one-to-one disclosure.

The electric elements that appear here all are connected through transformer and external master controller and 220V commercial power electricity to the master controller can play the conventional known equipment of control for the computer and so on, the utility model provides a product model is only for the use that this technical scheme goes on according to the structural feature of product, and its product can be adjusted and reformed transform after purchasing, makes it match more and accord with the utility model discloses technical scheme belongs to, it is the technical scheme of this technical scheme best application, and the model of its product can be according to the technical parameter of its needs and replace and reform transform, and it is known for technical personnel that belong to in the field, consequently, what technical personnel that belong to in the field can be clear passes through the utility model provides a corresponding result of use.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A PE pipe cooling device is characterized in that: comprises a normal temperature water tank (1), a normal temperature water pump (2), a plurality of groups of normal temperature spray heads (3), a refrigeration water tank (4), a low temperature water pump (5), a plurality of groups of low temperature spray heads (6), a plurality of groups of water pipes (7), a cooling tank (8), a feeding device and a discharging device, wherein a cooling cavity is arranged in the cooling tank (8), the input end of the normal temperature water pump (2) is connected with the output end of the normal temperature water tank (1) through the water pipes (7), the output end of the normal temperature water pump (2) is connected with the input end of the plurality of groups of normal temperature spray heads (3) through the plurality of groups of water pipes (7), the output ends of the plurality of groups of normal temperature spray heads (3) respectively penetrate through the left part of the rear end of the cooling tank (8) to be inserted into the cooling cavity, the input end of the low temperature water pump (5) is connected, the output of low temperature water pump (5) and multiunit the input of low temperature shower nozzle (6) passes through the multiunit water pipe (7) is connected, the multiunit the output of low temperature shower nozzle (6) passes respectively the right part of the rear end of cooler bin (8) injects in the cooler bin, feed arrangement's right-hand member with cooler bin (8) are connected, discharging device's left end with the right-hand member of cooler bin (8) is connected, be provided with the refrigeration chamber in cooler bin (4), be provided with refrigeration compressor (9), condenser (10), choke valve (11), evaporimeter (12) and pipe (13) in the refrigeration chamber, the output of refrigeration compressor (9) with the input of condenser (10) is connected, the output of condenser (10) with the input of choke valve (11) passes through pipe (13) are connected, the output of choke valve (11) with the input of evaporimeter (12) passes through pipe (13) are connected, the output of evaporimeter (12) with the input of refrigeration compressor (9) passes through pipe (13) are connected, the lateral wall in refrigeration chamber is provided with heat-conducting plate (14), heat-conducting plate (14) with evaporimeter (12) are connected.

2. A PE pipe cooling device as claimed in claim 1, wherein: still include header tank (15), circulating water pump (16) and filter chamber (17), header tank (15) are located the lower part in cooling chamber, the bottom of header tank (15) is provided with the delivery port, the delivery port with the input of filter chamber (17) is connected, the output of filter chamber (17) with the input of circulating water pump (16) passes through water pipe (7) are connected, the output of circulating water pump (16) with the upper portion of normal temperature water tank (1) passes through water pipe (7) are connected.

3. A PE pipe cooling device as claimed in claim 2, wherein: the feeding device comprises a feeding frame (18), a feeding motor (19), a plurality of groups of feeding rollers (20), a driving chain wheel (21), a plurality of groups of driven chain wheels (22) and a transmission chain (23), wherein the feeding motor (19) is connected with the feeding frame (18), the output end of the feeding motor (19) is connected with the driving chain wheel (21), the plurality of groups of the front end and the rear end of the feeding roller (20) are respectively connected with the front part and the rear part of the feeding frame (18) in a rotatable mode, the plurality of groups of the front part of the feeding roller (20) are respectively connected with the plurality of groups of the driven chain wheels (22) in a sleeved mode, and the driving chain wheel (21) and the plurality of groups of the driven chain wheels (22) are connected through the transmission chain.

4. A PE pipe cooling device as claimed in claim 3, wherein: the front part and the rear part of the feeding frame (18) are provided with material baffle plates (24).

5. A PE pipe cooling device as in claim 4, wherein: the discharging device comprises a driving roller (25), a driven roller (26), two groups of electric telescopic rods (27), two groups of positioning seats (28) and a discharging frame (29), the front end and the rear end of the driving roller (25) are respectively and rotatably connected with the front part and the rear part of the discharging frame (29), the front part of the driving roller (25) is sleeved with the driven chain wheel (22), the driven chain wheel (22) is connected with the driving chain wheel (21) through the transmission chain (23), the inboard at the front portion and the rear portion of ejection of compact frame (29) all is provided with locating plate (30), and is two sets of the bottom of locating plate (30) is respectively with two sets of the top of electric telescopic handle (27) is connected, and is two sets of the bottom of electric telescopic handle (27) is respectively with two sets of the top of positioning seat (28) is connected, and is two sets of keeping away from of positioning seat (28) the one end of ejection of compact frame (29) respectively with the front end and the rear end rotatable coupling of driven voller.

6. A PE pipe cooling device as in claim 5, wherein: the automatic material cleaning device is characterized by further comprising two groups of water sweeping brushes (31), a servo motor (32), two groups of positioning discs (33), two groups of transmission gears (34) and two groups of clamping plates (35), wherein the two groups of positioning discs (33) are respectively connected with the front end and the rear end of the discharging frame (29), the two groups of positioning discs (33) are respectively provided with positioning grooves, one group of water sweeping brushes (31) penetrate through the front positioning discs (33) and the front lower parts of the clamping plates (35) and are connected with the output end of the servo motor (32), the rear ends of the water sweeping brushes (31) penetrate through the rear positioning discs (33) and the clamping plates (35) and are connected with one group of transmission gears (34), the other group of water sweeping brushes (31) penetrate through the positioning grooves and the front clamping plates (35) and are rotatably connected, the rear ends of the water sweeping brushes (31) penetrate through the rear positioning grooves and the rear clamping plates (35) and are connected with the other group of transmission gears (34), the two groups of transmission gears (34) are meshed.

7. A PE pipe cooling device as in claim 6, wherein: the air blower further comprises an air blower (36), a ventilation pipe (37) and a plurality of groups of air nozzles (38), wherein the output end of the air blower (36) is connected with the input ends of the air nozzles (38) through the ventilation pipe (37), and the air nozzles (38) are connected with the discharging frame (29).

8. A PE pipe cooling apparatus as claimed in claim 7, wherein: a water filling port (39) is formed in the top end of the normal-temperature water tank (1), and the upper portion of the normal-temperature water tank (1) is connected with the upper portion of the refrigeration water tank (4) through the water pipe (7).