CN217226599U

CN217226599U - Barrel cooling device of double-screw extruder

Info

Publication number: CN217226599U
Application number: CN202220070063.4U
Authority: CN
Inventors: 张敏; 盛积飞
Original assignee: Changzhou Yinuo Poly Tech Co ltd
Current assignee: Changzhou Yinuo Poly Tech Co ltd
Priority date: 2022-01-12
Filing date: 2022-01-12
Publication date: 2022-08-19
Anticipated expiration: 2032-01-12

Abstract

The utility model discloses a double screw extruder's barrel cooling device, including barrel and heat conduction cover, the heat conduction cover cup joints on the surface of barrel, and the fixed surface of heat conduction cover has the heat dissipation fin, and the internal surface of heat conduction cover is opened flutedly, and condenser tube has been passed to the inside of recess. The utility model discloses a heat conduction cover cup joints on the barrel surface to dispel the heat through the heat dissipation fin, simultaneously, condenser tube passes through the recess, distributes on the barrel surface, and contacts with heat conduction cover, carries out abundant cooling to the barrel surface. The aviation baffle sets up in the below of heat conduction cover, and the air-blower blows air to the aviation baffle inside, and the heat dissipation of heat conduction cover and heat dissipation fin is accelerated to the surface air-out below the heat conduction cover through the air outlet, does benefit to the barrel and cools off fast.

Description

Barrel cooling device of double-screw extruder

Technical Field

The utility model relates to a double screw extruder technical field specifically is double screw extruder's barrel cooling device.

Background

The double-screw extruder is developed on the basis of a single-screw extruder, and has the characteristics of good feeding performance, mixing and plasticizing performance, exhaust performance, extrusion stability and the like, so that the double-screw extruder is widely applied to the molding processing of extruded products at present; the barrel of the twin-screw extruder needs to be cooled during the production process.

The cylinder cooling device of the existing double-screw extruder cannot be fully contacted with the surface of a cylinder during water cooling, so that partial cylinder is slowly cooled in a heat dissipation manner, and the cylinder cannot be cooled quickly by only using single water cooling.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a double screw extruder's barrel cooling device to unable abundant and barrel surface contact when solving the water-cooling leads to the slower problem of partial barrel part heat dissipation cooling.

In order to achieve the above object, the utility model provides a following technical scheme: the cylinder cooling device of the double-screw extruder comprises a cylinder and a heat conduction sleeve, wherein the heat conduction sleeve is sleeved on the surface of the cylinder, a heat dissipation fin is fixed on the surface of the heat conduction sleeve, a groove is formed in the inner surface of the heat conduction sleeve, and a cooling water pipe penetrates through the inner part of the groove.

Preferably, a supporting rod is fixed at the bottom end of the heat conduction sleeve, a base is arranged at the bottom end of the supporting rod, and a supporting column is fixed at the bottom end of the base.

Preferably, the top end of the base is provided with an air deflector, the air deflector is positioned below the heat conduction sleeve, and the top end of the air deflector is provided with an air outlet.

Preferably, the bottom end of the base is provided with a blower, the top end of the blower is connected with a blast pipe, and the top end of the blast pipe is inserted into the air deflector.

Preferably, a cooling water tank is placed at one end of the cylinder body, and a water outlet pipe is connected inside the cooling water tank.

Preferably, a water guide plate is arranged on the side surface of the cooling water tank, a support plate is fixed at the bottom end of the water guide plate, and the water outlet pipe is inserted into the water guide plate.

Preferably, a water containing tank is arranged at the other end of the cylinder, and the water outlet end of the cooling water pipe is inserted into the water containing tank.

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

1. the utility model discloses a heat conduction cover cup joints on the barrel surface to dispel the heat through the heat dissipation fin, simultaneously, condenser tube passes through the recess, distributes on the barrel surface, and contacts with heat conduction cover, carries out abundant cooling to the barrel surface.

2. The utility model discloses the aviation baffle setting is in the below of heat conduction cover, and the air-blower is to the inside blast air of aviation baffle, and through air outlet to the surface air-out of heat conduction cover below, the heat dissipation of heat conduction cover and heat dissipation fin does benefit to the barrel and cools off fast with higher speed.

Drawings

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

fig. 2 is a schematic diagram of the cooling process of fig. 1 according to the present invention;

fig. 3 is a sectional view taken along the direction a-a of fig. 2 according to the present invention;

fig. 4 is a schematic structural view of a portion of the air deflector of fig. 2 according to the present invention;

fig. 5 is a schematic structural view of a part of the water deflector of fig. 2 according to the present invention.

In the figure: 1. a barrel; 2. a groove; 3. a heat conducting sleeve; 4. a heat dissipating fin; 5. a cooling water pipe; 6. a water containing tank; 7. a water guide plate; 8. a water outlet pipe; 9. a cooling water tank; 10. a support plate; 11. a support bar; 12. a support pillar; 13. a blower; 14. a blast pipe; 15. an air deflector; 16. an air outlet; 17. a base.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Example 1

Referring to fig. 1, 2, 3 and 5, a barrel cooling device of a twin-screw extruder in the drawings includes a barrel 1 and a heat-conducting sleeve 3, the heat-conducting sleeve 3 is sleeved on the surface of the barrel 1, a heat-dissipating fin 4 is fixed on the surface of the heat-conducting sleeve 3, the heat-dissipating fin 4 is parallel to the cross section of the barrel 1, a groove 2 is formed on the inner surface of the heat-conducting sleeve 3, the groove 2 is of a semicircular structure, and a cooling water pipe 5 penetrates through the inside of the groove 2.

A supporting rod 11 is fixed at the bottom end of the heat conducting sleeve 3, a base 17 is arranged at the bottom end of the supporting rod 11, and a supporting column 12 is fixed at the bottom end of the base 17; a cooling water tank 9 is arranged at one end of the cylinder body 1, and the cooling water tank 9 is arranged at the top end of the base 17; the inside of the cooling water tank 9 is connected with a water outlet pipe 8, and cooling water is introduced into the water outlet pipe 8 through a water pump.

A water guide plate 7 is arranged on the side surface of the cooling water tank 9, a water containing cavity is arranged in the water guide plate 7, a supporting plate 10 is fixed at the bottom end of the water guide plate 7, and the supporting plate 10 is fixed at the top end of a base 17; the water outlet pipe 8 is inserted into the water guide plate 7, and the water inlet end of the cooling water pipe 5 is communicated with the water guide plate 7; the other end of the cylinder body 1 is provided with a water containing tank 6, the water containing tank 6 is arranged at the top end of the base 17, and the water outlet end of the cooling water pipe 5 is inserted into the water containing tank 6.

This double screw extruder's barrel cooling device, during the use: the heat conducting sleeve 3 is sleeved on the surface of the cylinder body 1 and radiates heat through the radiating fins 4; meanwhile, the cooling water pipes 5 are distributed on the surface of the cylinder body 1 through the grooves 2 and are in contact with the heat conduction sleeve 3; cooling water in the cooling water tank 9 enters the water guide plate 7 from the water outlet pipe 8 and then enters the cooling water pipe 5, flows through the surface of the cylinder body 1, cools the surface of the cylinder body 1, and cooled cooling water flows into the water containing tank 6 for centralized treatment.

Example 2

Referring to fig. 2, 3 and 4, in this embodiment, a barrel cooling device of a twin-screw extruder is further described in example 1, and includes a barrel 1 and a heat-conducting sleeve 3, the heat-conducting sleeve 3 is sleeved on the surface of the barrel 1, a heat-dissipating fin 4 is fixed on the surface of the heat-conducting sleeve 3, a groove 2 is formed on the inner surface of the heat-conducting sleeve 3, and a cooling water pipe 5 penetrates through the inside of the groove 2.

A supporting rod 11 is fixed at the bottom end of the heat conduction sleeve 3, a base 17 is arranged at the bottom end of the supporting rod 11, and a supporting column 12 is fixed at the bottom end of the base 17; the top end of the base 17 is provided with an air deflector 15, the air deflector 15 is of a rectangular structure, the inside of the air deflector 15 contains a cavity which can guide air, and the air deflector 15 is positioned below the heat conduction sleeve 3; the top end of the air deflector 15 is provided with an air outlet 16, and the air outlets 16 are uniformly arranged on the surface of the air deflector 15.

The bottom end of the base 17 is provided with a blower 13, the top end of the blower 13 is connected with a blast pipe 14, and the top end of the blast pipe 14 is inserted into the air deflector 15.

In this embodiment, when barrel 1 cools off, aviation baffle 15 sets up in the below of heat-conducting sleeve 3, and air-blower 13 blows to the inside air blast of aviation baffle 15 through blast pipe 14, blows to the surface below heat-conducting sleeve 3 through air outlet 16, blows on the surface of heat-conducting sleeve 3 and heat dissipation fin 4, accelerates heat-conducting sleeve 3 and the heat dissipation of heat dissipation fin 4, so, increases the forced air cooling, does benefit to barrel 1 rapid cooling.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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. Barrel cooling device of twin-screw extruder, its characterized in that includes:

barrel (1) and heat conduction cover (3), heat conduction cover (3) cup joint the surface at barrel (1), the fixed surface of heat conduction cover (3) has heat dissipation fin (4), open the internal surface of heat conduction cover (3) has recess (2), cooling water pipe (5) have been passed to the inside of recess (2).

2. The apparatus for cooling the barrel of a twin-screw extruder as set forth in claim 1, wherein: the bottom mounting of heat conduction cover (3) has bracing piece (11), the bottom of bracing piece (11) is provided with base (17), the bottom mounting of base (17) has support column (12).

3. The apparatus for cooling the barrel of a twin-screw extruder as set forth in claim 2, wherein: the air guide plate (15) is installed at the top end of the base (17), the air guide plate (15) is located below the heat conduction sleeve (3), and an air outlet (16) is formed in the top end of the air guide plate (15).

4. The apparatus for cooling the barrel of a twin-screw extruder as set forth in claim 3, wherein: the air blower (13) is installed at the bottom end of the base (17), the top end of the air blower (13) is connected with a blast pipe (14), and the top end of the blast pipe (14) is inserted into the air deflector (15).

5. The apparatus for cooling the barrel of a twin-screw extruder as set forth in claim 1, wherein: a cooling water tank (9) is placed at one end of the barrel body (1), and a water outlet pipe (8) is connected to the inside of the cooling water tank (9).

6. The apparatus for cooling the barrel of a twin-screw extruder as set forth in claim 5, wherein: a water guide plate (7) is arranged on the side face of the cooling water tank (9), a supporting plate (10) is fixed at the bottom end of the water guide plate (7), and the water outlet pipe (8) is inserted into the water guide plate (7).

7. The barrel cooling device of the twin-screw extruder according to claim 1, characterized in that: a water containing tank (6) is arranged at the other end of the cylinder body (1), and the water outlet end of the cooling water pipe (5) is inserted into the water containing tank (6).