CN219338524U

CN219338524U - Water circulation cooling device of extruder

Info

Publication number: CN219338524U
Application number: CN202320854719.6U
Authority: CN
Inventors: 孙卉
Original assignee: Nanjing Zhonghui Rubber Plastic Machinery Co ltd
Current assignee: Nanjing Zhonghui Rubber Plastic Machinery Co ltd
Priority date: 2023-04-17
Filing date: 2023-04-17
Publication date: 2023-07-14
Anticipated expiration: 2033-04-17

Abstract

The utility model discloses a water circulation cooling device of an extruder, belongs to the technical field of cooling devices, and aims to solve the technical problems that impurities such as suspended matters in cooling liquid are easy to deposit in a cooling pipeline or a pipeline interface of the extruder in the prior art, normal operation of the extruder is affected, and the service life of the extruder is shortened. The water circulation cooling device of the extruder comprises a cabinet body, wherein the cabinet body is provided with an extruder main body; the cabinet body is provided with a placing cavity, a circulating box is arranged in the placing cavity, a transfusion tube and a liquid return tube are connected between the circulating box and the extruder main body, a purifying cavity and a circulating cavity are arranged in the circulating box, the transfusion tube is communicated with the purifying cavity, the liquid return tube is communicated with the circulating cavity, a pair of liquid injection interfaces communicated with the circulating cavity are arranged on the side wall of the circulating box, a partition plate is arranged between the purifying cavity and the circulating cavity, a filter screen is arranged on the partition plate, one side of the filter screen, facing the circulating cavity, is abutted against a scraping blade, and a connecting shaft is connected to the scraping blade.

Description

Water circulation cooling device of extruder

Technical Field

The utility model belongs to the technical field of cooling devices, and particularly relates to a water circulation cooling device of an extruder.

Background

The extruder belongs to one of the types of plastic machinery, and the extruder relies on pressure and shearing force generated by screw rotation, so that materials can be fully plasticized and uniformly mixed, and the materials are molded through a die.

During specific operation, plastic materials enter the extruder from the hopper, are conveyed forward under the drive of rotation of the screw rod, and are heated by the feed cylinder, sheared and compressed by the screw rod in the forward movement process, so that the materials are melted, and the change among the three states of a glass state, a high-elastic state and a viscous state is realized. Under the condition of pressurizing, the materials in a viscous state pass through a die with a certain shape, then form a continuous body with a cross section similar to a die sample according to the die, and then cool and fix the continuous body to form a glass state, so that a workpiece to be processed is obtained, in order to enable the materials to be extruded and molded to be rapidly fixed, an extruder generally adopts a water circulation cooling mode, however, in the practical application process, the applicant finds that impurities such as suspended matters exist in circulating cooling water for cooling, and the impurities are easy to deposit in a cooling pipeline or a pipeline interface of the extruder in the circulating conveying process, and long-time accumulation can cause the blockage of the cooling pipeline, thereby influencing the normal operation of the extruder, shortening the service life of the extruder and having higher maintenance frequency.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide a water circulation cooling device for an extruder, which aims to solve the technical problems that impurities such as suspended matters in cooling liquid are easy to deposit in a cooling pipeline or a pipeline interface of the extruder in the prior art, so that the normal operation of the extruder is influenced and the service life of the extruder is shortened.

Technical proposal

In order to solve the technical problems, the utility model provides a water circulation cooling device of an extruder, which comprises a cabinet body, wherein the cabinet body is provided with an extruder main body;

the utility model discloses a cleaning device for a plastic material, including the cabinet body, the cabinet body is gone up to set up and is placed the chamber, places the intracavity and is equipped with circulation case, be connected with transfer line and return liquid pipe between circulation case and the extruder main part, be equipped with purification chamber and circulation chamber in the circulation case, transfer line and purification chamber intercommunication, return liquid pipe and circulation chamber intercommunication, be equipped with on the circulation case lateral wall with circulation chamber intercommunication annotate the liquid interface, separate between purification chamber and the circulation chamber has the baffle, be equipped with the filter screen on the baffle, the one side butt of filter screen orientation circulation intracavity has the doctor-bar, is connected with the connecting axle on the doctor-bar, install the motor that is used for driving the connecting axle rotation on the circulation case end wall.

Further, a groove is formed in the end wall of the circulation box, and the motor is arranged in the groove.

Further, a liquid pump is arranged in the purifying cavity, and the infusion tube is connected with a liquid outlet of the liquid pump.

Further, a cover plate is arranged at the top end of the circulation box.

Further, the placing cavity penetrates through the side wall of the cabinet body, the circulating box is movably embedded in the placing cavity, and a handle is arranged on the side wall of the circulating box.

Further, the lower surface of the circulation box is provided with rollers, and the bottom wall of the placement cavity is provided with guide grooves for the rollers to embed and roll.

Further, a heat preservation interlayer is arranged in the wall of the circulation box.

Advantageous effects

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

according to the utility model, after the cooling liquid is injected into the circulation box, the liquid pump is started to convey the filtered cooling liquid in the purification cavity to the extruder main body from the liquid pipe and then flows back to the circulation cavity from the liquid return pipe, so that the circulation cooling of the extruder main body can be realized.

According to the utility model, the scraping blade is arranged on one surface of the filter screen towards the circulating cavity, in the circulating cooling process, the motor is started to drive the connecting shaft to rotate, the connecting shaft drives the scraping blade to timely scrape off impurities filtered out of the surface of the filter screen, so that smooth circulating of cooling liquid between the circulating cavity and the purifying cavity is ensured, and the service performance is improved.

According to the utility model, the roller at the bottom of the circulation box is matched with the guide groove on the bottom wall of the placing cavity, so that the circulation box can be easily pulled out of the placing cavity for maintenance operation, and convenience is provided for the use operation of the device.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the circulation tank in the present utility model;

FIG. 3 is a schematic view showing the internal structure of the circulation tank according to the present utility model;

fig. 4 is an enlarged view of the utility model at a in fig. 1.

The marks in the drawings are: 1. a cabinet body; 2. an extruder body; 3. a placement cavity; 4. a circulation box; 5. an infusion tube; 6. a liquid return pipe; 7. a liquid injection interface; 8. a roller; 9. a cover plate; 10. a groove; 11. a motor; 12. a liquid pump; 13. a partition plate; 14. a purification chamber; 15. a circulation chamber; 16. a filter screen; 17. a wiper blade; 18. a connecting shaft; 19. a heat preservation interlayer; 20. and a guide groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The embodiment provides a water circulation cooling device of an extruder, the structure of which is shown in fig. 1-4, and the water circulation cooling device comprises a cabinet body 1, wherein an extruder main body 2 is arranged on the cabinet body 1; specifically, set up on the cabinet body 1 and place the chamber 3, place the intracavity 3 and be equipped with circulation case 4, be connected with transfer line 5 and return liquid pipe 6 between circulation case 4 and the extruder main part 2, specifically, transfer line 5 and return liquid pipe 6 are with the cooling tube intercommunication of the extrusion position on the extruder main part 2, be equipped with clean chamber 14 and circulation chamber 15 in the circulation case 4, transfer line 5 and clean chamber 14 intercommunication, return liquid pipe 6 and circulation chamber 15 intercommunication, be provided with liquid pump 12 in the clean chamber 14, transfer line 5 is connected with the liquid outlet of liquid pump 12, through this structural mode, after the coolant liquid pours into circulation case 4, start liquid pump 12 and carry the inside coolant liquid that passes through the filter of clean chamber 14 to the extruder main part 2 by transfer line 5, then reflux to circulation chamber 15 by return liquid pipe 6, can realize the circulative cooling to the extruder main part 2.

In this embodiment, a pair of liquid injection ports 7 communicated with the circulation cavity 15 are provided on the side wall of the circulation tank 4, and the pair of liquid injection ports 7 are connected with an external refrigeration device to circulate and refrigerate the cooling liquid. Further, the partition plate 13 is arranged between the purifying cavity 14 and the circulating cavity 15, the filter screen 16 is arranged on the partition plate 13, through the structural mode, the cooled cooling liquid is firstly injected into the circulating cavity 15, then flows into the purifying cavity 14 through the filter screen 16 on the partition plate 13, and in the circulating cooling process, the cooling liquid is filtered through the filter screen 16, so that the deposition of impurities in the cooling liquid in a cooling pipeline of the extruder main body 2 is avoided as much as possible, the service life of the extruder main body 2 is prolonged, and the maintenance cost is reduced.

In this embodiment, the one side butt in filter screen 16 towards circulation cavity 15 has doctor-bar 17, be connected with connecting axle 18 on the doctor-bar 17, install the motor 11 that is used for driving the rotation of connecting axle 18 on the circulation case 4 end wall, concretely, set up recess 10 on the circulation case 4 end wall, motor 11 installs in recess 10, in the circulative cooling in-process, start motor 11 and drive connecting axle 18 rotation, connecting axle 18 drives doctor-bar 17 and can in time scrape the impurity that filter screen 16 surface was filtered out, ensure that the coolant liquid can circulate smoothly between circulation cavity 15 and purification cavity 14, improve the performance, circulation case 4 top is provided with apron 9, can be convenient for to circulation case 4 internal assembly. The wall of the circulation box 4 is internally provided with a heat preservation interlayer 19 for slowing down the temperature change of the cooling liquid.

Further, in this embodiment, the placing cavity 3 penetrates through the side wall of the cabinet body 1, the circulation box 4 is movably embedded in the placing cavity 3, a handle is arranged on the side wall of the circulation box 4, and the circulation box 4 can be pulled out from the placing cavity 3 through the handle for assembling and maintaining the circulation box 4. The circulation box 4 lower surface is provided with gyro wheel 8, has offered on the internal diapire of chamber 3 of placing and has supplied gyro wheel 8 embedding rolling guide slot 20, through the cooperation of gyro wheel 8 and guide slot 20, can be easily take circulation box 4 out from the chamber 3 of placing in and maintain the operation, for the device use operation provides convenience.

Working principle:

when the extruder is used, the cooling liquid is filled in the circulation box 4, the pair of liquid injection ports 7 are connected with external refrigeration equipment, the cooling liquid is subjected to circulation refrigeration, the refrigerated cooling liquid is firstly injected into the circulation cavity 15, then flows into the purification cavity 14 through the filter screen 16 on the partition plate 13, the liquid pump 12 is started in the operation process of the extruder main body 2, the filtered cooling liquid in the purification cavity 14 is conveyed to the extruder main body 2 through the liquid conveying pipe 5, then flows back into the circulation cavity 15 through the liquid return pipe 6, the circulation cooling of the extruder main body 2 is realized, and the cooling liquid is filtered through the filter screen 16, so that the deposition of impurities in the cooling liquid in the cooling pipeline in the extruder main body 2 is avoided as much as possible in the circulation cooling process of the extruder main body 2, thereby prolonging the service life of the extruder main body 2 and reducing the maintenance cost. Further, in the process of circulation cooling, the motor 11 is started to drive the connecting shaft 18 to rotate, the connecting shaft 18 drives the scraping blade 17 to timely scrape off impurities filtered out from the surface of the filter screen 16, and smooth circulation of the cooling liquid between the circulation cavity 15 and the purification cavity 14 is ensured. Further, through the cooperation of circulation case 4 bottom gyro wheel 8 and placing the guide slot 20 on the intracavity diapire in the chamber 3, can be easily with circulation case 4 follow and place the intracavity 3 and take out and maintain the operation, provide convenience for the operation of the device.

All technical features in the embodiment can be freely combined according to actual needs.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides an extruder hydrologic cycle cooling device, includes the cabinet body (1), be provided with extruder main part (2) on the cabinet body (1), its characterized in that:

the novel cleaning device comprises a cabinet body (1), wherein a placing cavity (3) is formed in the cabinet body (1), a circulating box (4) is arranged in the placing cavity (3), a filter screen (16) is arranged between the circulating box (4) and an extruder main body (2), a cleaning cavity (14) and a circulating cavity (15) are arranged in the circulating box (4), the filter screen (5) is communicated with the cleaning cavity (14), the circulating cavity (15) is communicated with the liquid returning pipe (6), a pair of liquid injecting interfaces (7) communicated with the circulating cavity (15) are arranged on the side wall of the circulating box (4), a partition plate (13) is arranged between the cleaning cavity (14) and the circulating cavity (15), a wiper blade (17) is arranged on one face of the filter screen (16) in the circulating cavity (15) in a butt mode, a connecting shaft (18) is connected to the wiper blade (17), and a motor (11) for driving the connecting shaft (18) to rotate is arranged on the end wall of the circulating box (4).

2. The water circulation cooling device of the extruder according to claim 1, wherein the end wall of the circulation box (4) is provided with a groove (10), and the motor (11) is arranged in the groove (10).

3. The water circulation cooling device of the extruder according to claim 1, wherein a liquid pump (12) is arranged in the purifying cavity (14), and the liquid delivery pipe (5) is connected with a liquid outlet of the liquid pump (12).

4. An extruder water circulation cooling device according to claim 1, characterized in that the circulation box (4) is provided with a cover plate (9) at the top end.

5. The water circulation cooling device of the extruder according to claim 1, wherein the placement cavity (3) penetrates through the side wall of the cabinet body (1), the circulation box (4) is movably embedded in the placement cavity (3), and a handle is arranged on the side wall of the circulation box (4).

6. The water circulation cooling device of the extruder according to claim 1, wherein the lower surface of the circulation box (4) is provided with rollers (8), and the inner bottom wall of the placement cavity (3) is provided with guide grooves (20) for the rollers (8) to be embedded and roll.

7. The water circulation cooling device of an extruder according to claim 5, characterized in that a heat preservation interlayer (19) is arranged in the wall of the circulation box (4).