CN214111406U

CN214111406U - Screw circulating cooling device of extruder

Info

Publication number: CN214111406U
Application number: CN202022836632.5U
Authority: CN
Inventors: 杨强霞
Original assignee: Shanghai Yuankang Mechanical Equipment Co ltd
Current assignee: Shanghai Yuankang Mechanical Equipment Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-09-03
Anticipated expiration: 2030-11-30

Abstract

The utility model discloses an extruder screw circulating cooling device, which comprises a screw, a positioning shaft is movably sleeved at the other end of the screw, a water inlet groove is arranged at the middle part of the other end of the screw, a water drainage groove is arranged at the upper side of the other end of the screw, a communication hole is arranged at one end of the inner side of the water inlet groove, a spacing ring is fixedly sleeved at the other end of the outer side of the screw, a ring groove is arranged at the inner side of the positioning shaft, the spacing ring is rotatably clamped at the inner side of the ring groove, water enters the water inlet groove at the inner side of the screw through the pressurization of a first water pump, then flows into the water drainage groove through the action of the communication hole, and finally is discharged into a water tank again through the water drainage pipe, heat exchange can be fully carried out with the screw when cooling water flows into the inner side of the screw, the heat generated by the screw is taken out by the water flow, the cooling is uniform and full, and the cooled water can be recycled, the resources are saved, and the structural design does not influence the rotary motion of the screw.

Description

Screw circulating cooling device of extruder

Technical Field

The utility model relates to an extruder technical field specifically is an extruder screw rod circulative cooling device.

Background

The extruder belongs to one of the plastic machinery, originated from 18 th century, and according to the material flow direction of a machine head and the included angle of the central line of a screw, the machine head can be divided into a right-angle machine head, an oblique-angle machine head and the like, the screw extruder can fully plasticize and uniformly mix materials by means of pressure and shearing force generated by rotation of a screw, plastic extruders can be basically classified by die-shaping into twin-screw extruders, single-screw extruders and, less frequently, multi-screw extruders and screw-less extruders, but, because the screw rotates to generate a large amount of heat in the using process of the extruder, if the heat is not dissipated in time, the aging of the screw can be accelerated, the surface of the screw is cooled by cooling water in most of the traditional methods, the cooling is uneven, and causes waste of water resources, therefore, an extruder screw circulating cooling device is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an extruder screw rod circulative cooling device to solve and provide among the above-mentioned background art because the extruder is in the use, the rotatory a large amount of heats that produce of screw rod, if the heat dissipation can accelerate the ageing of screw rod in time, the tradition is mostly through the cooling water to the screw rod surface processing of cooling down, and the cooling is inhomogeneous, and causes the problem of the waste of water resource.

In order to achieve the above object, the utility model provides a following technical scheme: a circulating cooling device for a screw of an extruder comprises a screw, wherein one end of the screw is provided with a connecting shaft, the inner side of the screw is provided with a cooling component, and the cooling component comprises a positioning shaft, a water inlet groove, a water drainage groove, a communication hole, a limiting ring, an annular groove, a first butt joint pipe, a second butt joint pipe, a cylindrical water storage groove, an annular water storage groove, a water inlet pipe, a water drainage pipe and a water tank;

the utility model discloses a water tank, including screw rod, locating shaft, spacing ring, ring channel, water tank, water inlet tank, intercommunicating pore, the fixed retaining ring that has cup jointed of screw rod other end, the water tank has been seted up at screw rod other end middle part, water tank has been seted up to screw rod other end upside, the intercommunicating pore has been seted up to the inboard one end of water tank, the fixed retaining ring that has cup jointed of the screw rod outside other end, the ring channel has been seted up to locating shaft inboard, the spacing ring rotates the card and locates the ring channel inboard, the screw rod other end corresponds water tank position department fixed mounting and has a pair of takeover of second, the cylindricality aqua storage tank has been seted up at locating shaft inner wall one end middle part, annular aqua storage tank has been seted up to locating shaft inner wall one end limit portion, screw rod outside symmetry both ends are fixed respectively to run through has inlet tube and drain pipe, the fixed water tank side bottom that runs through of inlet tube one end.

Preferably, the water inlet tank and the water drainage tank have the same size, and the two ends of the communication hole penetrate through the water inlet tank and the water drainage tank respectively.

Preferably, the first butt joint pipe is connected to the inner side of the annular water storage tank in a sliding mode, the second butt joint pipe is connected to the inner side of the cylindrical water storage tank in a rotating mode, and the diameter of the end portion of the screw rod is larger than the outer diameter of the annular water storage tank.

Preferably, the end part of the water discharge pipe is positioned inside the annular water storage groove, and the end part of the water inlet pipe is positioned inside the cylindrical water storage groove.

Preferably, a first water pump is installed to inlet tube one end, install the aqueduct on the first water pump, the inboard bottom fixed mounting of water tank has the isolation frame, first water pump is located the isolation frame inboard, the fixed isolation frame side that runs through of aqueduct one end.

Preferably, drain pipe one end fixedly connected with metal heat pipe, the metal heat pipe outside evenly runs through there is the heat conduction fin, metal heat pipe one end fixedly connected with bent pipe, the bent pipe both ends are fixed respectively and are run through heat dissipation frame inner wall both sides, heat dissipation frame inner wall one end is fixed to be run through there is the air-cooler, the second water pump is installed to bent pipe one end, install the connecting pipe on the second water pump.

Preferably, the heat dissipation frame and the second water pump are both fixedly mounted at the top end of the water tank.

Preferably, one end of the connecting pipe is fixedly connected with a spray head, a water guide inclined plate is fixedly mounted at the upper position on the inner side of the water tank, the spray head is located at the upper position of the water guide inclined plate, water guide holes are uniformly formed in one side of the top end of the water guide inclined plate, and heat dissipation holes are uniformly formed in the top end of one side of the inner wall of the water tank.

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

1. make water through first water pump pressurization during getting into the inboard intake chamber of screw rod through the inlet tube, then flow in the water drainage tank through the effect of intercommunicating pore, in discharging into the water tank again through the drain pipe at last, can fully carry out the heat transfer with the screw rod when the cooling water flows into the screw rod inboard, make rivers take away the heat that the screw rod produced, the cooling is even abundant, and can retrieve the water after the cooling and circulate and use, saved the resource, and structural design does not influence the rotary motion of screw rod.

2. Water after the heat transfer can dispel some heats through metal heat pipe and heat conduction fin's effect, then rivers when through the bent pipe, just can fully dispel the heat to rivers to the effect of bent pipe forced air cooling through the air-cooler, and rivers are passed through the shower nozzle and are spouted and are cooled down the processing to water once more on the water guide swash plate of water tank inboard at last to the water cooling after the realization heat transfer that can be abundant, thereby be convenient for water recovery and carry out recycle.

Drawings

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

FIG. 2 is a schematic view of the cross-sectional structure of the middle screw rod of the present invention;

fig. 3 is an enlarged schematic structural view of fig. 2A of the present invention;

FIG. 4 is a schematic view of the structure of the middle ring-shaped groove of the present invention;

FIG. 5 is a schematic view of a first butt joint pipe installation structure in the present invention;

fig. 6 is a schematic view of a front view cross-section structure of the middle heat dissipation frame of the present invention;

fig. 7 is a schematic view of the front view section structure of the reclaimed water tank of the present invention.

In the figure: 1. a screw; 2. a connecting shaft; 3. a cooling assembly; 301. positioning the shaft; 302. a water inlet groove; 303. a water discharge tank; 304. a communicating hole; 305. a limiting ring; 306. an annular groove; 307. a first docking pipe; 308. A second pair of adapter tubes; 309. a cylindrical water storage tank; 310. an annular water storage tank; 311. a water inlet pipe; 312. a drain pipe; 313. a water tank; 4. a first water pump; 5. a water conduit; 6. an isolation frame; 7. a metal heat conduction pipe; 8. A heat conductive fin; 9. a curved pipe; 10. a heat dissipation frame; 11. an air cooler; 12. a second water pump; 13. a connecting pipe; 14. a spray head; 15. a water guide sloping plate; 16. a water guide hole; 17. and (4) heat dissipation holes.

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. 1-7, the present invention provides a technical solution: a circulating cooling device for a screw of an extruder comprises a screw 1, wherein one end of the screw 1 is provided with a connecting shaft 2, the inner side of the screw 1 is provided with a cooling component 3, and the cooling component 3 comprises a positioning shaft 301, a water inlet groove 302, a water discharge groove 303, a communication hole 304, a limiting ring 305, an annular groove 306, a first connection pipe 307, a second connection pipe 308, a cylindrical water storage groove 309, an annular water storage groove 310, a water inlet pipe 311, a water discharge pipe 312 and a water tank 313;

positioning shaft 301 has been cup jointed in the activity of the 1 other end of screw rod, intake channel 302 has been seted up at 1 other end middle part of screw rod, water drainage tank 303 has been seted up to 1 other end upside of screw rod, intercommunicating pore 304 has been seted up to the inboard one end of

intake channel

302, 1 outside other end of screw rod is fixed to be cup jointed with spacing ring 305, positioning shaft 301 inboard has been seted up ring groove 306, spacing ring 305 rotates the card and locates ring groove 306 inboard, 1 other end of screw rod corresponds water drainage tank 303 position department fixed mounting has first butt

joint pipe

307, 1 other end of screw rod corresponds intake channel 302 position department fixed mounting has second butt joint pipe 308, cylindrical aqua storage tank 309 has been seted up at 301 inner wall one end middle part of positioning shaft, positioning shaft 301 inner wall one end limit portion has been seted up annular

aqua storage tank

310, 1 outside symmetry both ends of screw rod are fixed respectively to run through has inlet tube 311 and drain pipe 312, inlet tube 311 one end is fixed runs through water tank 313 side bottom.

The water inlet groove 302 and the water discharge groove 303 are the same in size, both ends of the communication hole 304 penetrate through the water inlet groove 302 and the water discharge groove 303 respectively, and cooling water entering the water inlet groove 302 can be discharged through the water discharge groove 303 through the communication hole 304.

The first butt joint pipe 307 is slidably connected to the inner side of the annular water storage tank 310, the second butt joint pipe 308 is rotatably connected to the inner side of the cylindrical water storage tank 309, the diameter of the end of the screw rod 1 is larger than the outer diameter of the annular water storage tank 310, the outer wall of the first butt joint pipe 307 is attached to the inner side of the annular water storage tank 310, the outer wall of the second butt joint pipe 308 is attached to the inner side of the cylindrical water storage tank 309, and the opening of the annular water storage tank 310 is blocked by the end of the screw rod 1, so that water can enter the water inlet tank 302 from the cylindrical water storage tank 309 through the second butt joint pipe 308, and then the water can be filled into the annular water storage tank 310 from the water discharge tank 303 through the first butt joint pipe 307.

The end of the water discharge pipe 312 is positioned inside the annular water storage tank 310, and the end of the water inlet pipe 311 is positioned inside the cylindrical water storage tank 309, so that the water inlet pipe 311 feeds cooling water into the cylindrical water storage tank 309, and the water filled in the annular water storage tank 310 can be discharged through the water discharge pipe 312.

First water pump 4 is installed to inlet tube 311 one end, installs aqueduct 5 on the first water pump 4, and the inboard bottom fixed mounting of water tank 313 has isolation frame 6, and first water pump 4 is located isolation frame 6 inboardly, and the fixed isolation frame 6 side that runs through of aqueduct 5 one end is convenient for to leading-in high pressure water in the inlet tube 311 through the effect of first water pump 4.

Drain pipe 312 one end fixedly connected with heat pipe 7, the heat conduction fin 8 has evenly been run through in the heat pipe 7 outside, the bent pipe 9 of metal heat pipe 7 one end fixedly connected with, the bent pipe 9 both ends are fixed respectively and are run through heat dissipation frame 10 inner wall both sides, heat dissipation frame 10 inner wall one end is fixed to be run through has air-cooler 11, second water pump 12 is installed to bent pipe 9 one end, install connecting pipe 13 on the second water pump 12, can carry out abundant heat dissipation at the in-process of discharging water tank 313 again to the hot water behind the 1 heat transfer of screw rod, make its cooling.

The heat dissipation frame 10 and the second water pump 12 are both fixedly installed at the top end of the water tank 313.

Connecting pipe 13 one end fixedly connected with shower nozzle 14, water tank 313 inboard top position department fixed mounting has water guide swash plate 15, shower nozzle 14 is located the top position department of water guide swash plate 15, water guide hole 16 has evenly been seted up to water guide swash plate 15 top one side, louvre 17 has evenly been seted up to water tank 313 inner wall one side top, can cool down the processing once more to the water after the heat transfer through shower nozzle 14, water guide swash plate 15 and louvre 17 isotructure's effect, make its cooling more abundant, thereby reach cyclic utilization's effect.

The working principle is as follows: the screw 1 is connected with an output device through a connecting shaft 2 for rotation, the other end of the screw 1 rotates on the inner side of a positioning shaft 301 through the action of a limiting ring 305 and an annular groove 306, the positioning shaft 301 does not rotate, when the screw 1 is cooled, water in a water tank 313 is pumped by a first water pump 4 and is guided into a cylindrical water storage tank 309 on the inner side of the positioning shaft 301 through a water inlet pipe 311, then the water flows into a water drainage tank 303 through the action of a communication hole 304, heat exchange and taking away of heat generated by the screw 1 can be carried out when cooling water flows in the water inlet tank 302 and the water drainage tank 303, cooling is uniform and component, finally the water enters the annular water storage tank 310 in the positioning shaft 301 through the water drainage tank 303 and is discharged through a water drainage pipe 312, the water after heat exchange enters a metal heat conduction pipe 7 from the water drainage pipe 312, a part of heat in hot water can be dissipated through the action of a heat conduction fin 8, and then the water flows through a bent pipe 9, start air-cooler 11, make air-cooler 11 just blow cold wind to bent pipe 9, thereby can be with most heat effluvium in the rivers, at last rivers pass through during connecting pipe 13 gets into shower nozzle 14, and make water follow shower nozzle 14 high pressure blowout through the effect of second water pump 12, spun rivers flow into on the inboard water guide swash plate 15 of water tank 313, and flow into the inboard bottom of water tank 313 from the water guide hole 16 of water guide swash plate 15 one side, in the in-process that the water was spouted and is flowed into water guide swash plate 15, the effect of the louvre 17 on the cooperation water tank 313 can be cooled down the temperature once more and handle, thereby make the water that gets into in the water tank 313 again fully cool off, so that the cooling cycle of water to screw 1 uses.

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. The utility model provides an extruder screw rod circulative cooling device, includes screw rod (1), its characterized in that: one end of the screw rod (1) is provided with a connecting shaft (2), the inner side of the screw rod (1) is provided with a cooling component (3), and the cooling component (3) comprises a positioning shaft (301), a water inlet groove (302), a water discharge groove (303), a communication hole (304), a limiting ring (305), an annular groove (306), a first connection pipe (307), a second connection pipe (308), a cylindrical water storage groove (309), an annular water storage groove (310), a water inlet pipe (311), a water discharge pipe (312) and a water tank (313);

the positioning shaft (301) is movably sleeved at the other end of the screw rod (1), the water inlet groove (302) is formed in the middle of the other end of the screw rod (1), the water drainage groove (303) is formed in the upper side of the other end of the screw rod (1), the communication hole (304) is formed in one end of the inner side of the water inlet groove (302), the limiting ring (305) is fixedly sleeved at the other end of the outer side of the screw rod (1), the annular groove (306) is formed in the inner side of the positioning shaft (301), the limiting ring (305) is rotatably clamped in the inner side of the annular groove (306), the first pair of connecting pipes (307) is fixedly installed at the position of the other end of the screw rod (1) corresponding to the water inlet groove (302), the second pair of connecting pipes (308) is fixedly installed at the position of the other end of the positioning shaft (301), the cylindrical water storage groove (309) is formed in the middle of one end of the inner wall of the positioning shaft (301), and the annular water storage groove (310) is formed in one end of the inner wall of the positioning shaft (301), the screw rod (1) outside symmetry both ends are fixed respectively to run through and are had inlet tube (311) and drain pipe (312), inlet tube (311) one end is fixed to run through water tank (313) side bottom.

2. The screw circulation cooling device of extruder according to claim 1, wherein: the water inlet groove (302) and the water drainage groove (303) are identical in size, and the two ends of the communication hole (304) penetrate through the water inlet groove (302) and the water drainage groove (303) respectively.

3. The screw circulation cooling device of extruder according to claim 1, wherein: the first butt joint pipe (307) is connected to the inner side of the annular water storage tank (310) in a sliding mode, the second butt joint pipe (308) is connected to the inner side of the cylindrical water storage tank (309) in a rotating mode, and the diameter of the end portion of the screw rod (1) is larger than the outer diameter of the annular water storage tank (310).

4. The screw circulation cooling device of extruder according to claim 1, wherein: the end part of the drain pipe (312) is positioned at the inner side of the annular water storage tank (310), and the end part of the water inlet pipe (311) is positioned at the inner side of the cylindrical water storage tank (309).

5. The screw circulation cooling device of extruder according to claim 1, wherein: first water pump (4) are installed to inlet tube (311) one end, install aqueduct (5) on first water pump (4), water tank (313) inboard bottom fixed mounting has isolation frame (6), first water pump (4) are located isolation frame (6) inboard, aqueduct (5) one end is fixed to be run through isolation frame (6) side.

6. The screw circulation cooling device of extruder according to claim 1, wherein: drain pipe (312) one end fixedly connected with heat pipe (7), heat pipe (7) outside evenly runs through has heat conduction fin (8), heat pipe (7) one end fixedly connected with bent pipe (9), bent pipe (9) both ends are fixed respectively and run through heat dissipation frame (10) inner wall both sides, heat dissipation frame (10) inner wall one end is fixed to be run through has air-cooler (11), second water pump (12) are installed to bent pipe (9) one end, install connecting pipe (13) on second water pump (12).

7. The screw circulation cooling device of the extruder as set forth in claim 6, wherein: the heat dissipation frame (10) and the second water pump (12) are fixedly mounted at the top end of the water tank (313).

8. The screw circulation cooling device of the extruder as set forth in claim 6, wherein: connecting pipe (13) one end fixedly connected with shower nozzle (14), water guide swash plate (15) are fixedly mounted to inboard top position department of water tank (313), shower nozzle (14) are located the top position department of water guide swash plate (15), water guide hole (16) have evenly been seted up to water guide swash plate (15) top one side, louvre (17) have evenly been seted up to water tank (313) inner wall one side top.