CN218892201U

CN218892201U - Exhaust device for large-caliber extruder

Info

Publication number: CN218892201U
Application number: CN202222981482.6U
Authority: CN
Inventors: 邓权; 郑程; 袁志辉
Original assignee: Deng Quan Plastic Technology Hunan Co ltd
Current assignee: Deng Quan Plastic Technology Hunan Co ltd
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2023-04-21
Anticipated expiration: 2032-11-09

Abstract

The utility model relates to the technical field of large-caliber extruders and discloses an air draft device for a large-caliber extruder, which comprises a base arranged on the front side of a machine head of the large-caliber extruder, wherein an installation box is fixed at the top of the base, an air pump is fixed in the installation box, one side of the air pump is communicated with an installation pipe, one end of the installation pipe penetrates through the outside of the installation box, the surface of the installation pipe is communicated with an air pipe, and the other side of the air pump is communicated with an exhaust pipe; the utility model can be connected with the machine head of the large-caliber extruder, and in the production process, the heat at the machine head is extracted, so that the air in the extruding cylinder flows, and the low-temperature air at the machine tail due to the self-contained cooling structure of the equipment can enter the machine head to effectively cool the machine head, thereby avoiding the damage of high temperature to the parts at the machine head and prolonging the service life of the parts inside the large-caliber extruder.

Description

Exhaust device for large-caliber extruder

Technical Field

The utility model relates to the technical field of large-caliber extruders, in particular to an exhaust device for a large-caliber extruder.

Background

An extruder is one of the categories belonging to the plastics machinery; the extruder can divide the machine head into a right-angle machine head, an oblique-angle machine head and the like according to the material flow direction of the machine head and the included angle of the central line of the screw rod, and the screw rod extruder can fully plasticize and uniformly mix materials by depending on the pressure and the shearing force generated by the rotation of the screw rod and is formed by a die. Plastic extruders can be classified basically into twin-screw extruders, single-screw extruders and less common multi-screw extruders and screw-less extruders.

The extrusion cylinder of the existing large-caliber extruder is generally longer, when the extruder is used for long-time extrusion molding operation, a large amount of heat is easy to occur in the extruder, a cooling structure is arranged in the extruder, but the cooling structure is generally arranged at the tail part, so that products can be rapidly cooled and molded, the machine head part cannot be effectively cooled, part of heat of the extrusion cylinder can be accumulated at the machine head part because plastic raw materials are heated and melted in the extrusion cylinder, the interior of the machine head part is always kept at a higher temperature in the production process, and parts in the machine head part of the large-caliber extruder are easy to damage due to high temperature over time, so that the trouble is brought to subsequent processing and production.

Disclosure of Invention

The utility model aims to provide an exhaust device for a large-caliber extruder, which can be connected with a machine head of the large-caliber extruder, and in the production process, heat at the machine head is extracted to effectively cool the machine head, and because the device extracts air and cools through an air pump, the device can also perform water-cooling treatment on air extraction equipment, so that the air extraction equipment is prevented from being in contact with hot air for a long time, and the use is prevented from being influenced by overhigh temperature.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an updraft ventilator for heavy-calibre extruder, is including installing the base in heavy-calibre extruder aircraft nose department front side, the top of base is fixed with the mounting box, the inside of mounting box is fixed with the aspiration pump, one side intercommunication of aspiration pump has the installation pipe, the one end of installation pipe runs through to the outside of mounting box, the surface intercommunication of installation pipe has the breather pipe, the opposite side intercommunication of aspiration pump has the blast pipe, and the one end of blast pipe runs through to the outside of mounting box, the top of mounting box is fixed with the cooling box, and the inside packing of cooling box has cooling water, the inside of cooling box is fixed with a plurality of cooling fins, and the bottom of cooling fin runs through to the inside of mounting box and is fixed with the heat-conducting plate, the front side of cooling box is fixed with the circulating pump, the both sides of cooling box all communicate the water pipe, and the other end and the circulating pump of water pipe are linked together.

Preferably, the number of the vent pipes is three, and one end of the vent pipe, which is far away from the mounting pipe, penetrates through the head of the extruder and is communicated with the head of the extruder.

Preferably, the material of water pipe is copper aluminum alloy, the top of cooling box both sides all is fixed with a plurality of mounting brackets, and the inside of mounting bracket is fixed with the fan.

Preferably, the material of the cooling plate and the material of the heat conducting plate are the same as that of the water pipe, the surface of the bottom of the heat conducting plate is contacted with the surface of the air pump, and the shape of the surface of the bottom of the heat conducting plate is matched with the contact position of the air pump.

Preferably, a temperature sensor is fixed on one side of the front surface of the installation box, and an induction head of the temperature sensor penetrates through the installation box and extends to the inside of the installation box, and the temperature sensor is electrically connected with the circulating pump.

Preferably, the surface of the cooling fin is provided with a plurality of fixing holes, and the fixing holes are uniformly distributed on the surface of the upper half part of the cooling fin.

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

according to the utility model, through the arrangement of the mounting box, the air extracting pump, the mounting pipe, the vent pipe, the exhaust pipe, the cooling box, the cooling plate, the heat conducting plate, the circulating pump and the water pipe, the air extracting device is connected with the machine head of the large-caliber extruder, in the production process, the heat at the machine head is extracted, so that the air in the extruding cylinder flows, the low-temperature air at the machine tail due to the self-contained cooling structure of the equipment can enter the machine head to effectively cool the machine head, the damage to the parts at the machine head caused by high temperature is avoided, the service life of the parts in the large-caliber extruder is prolonged, and the device can also cool the air extracting device by water cooling due to the fact that the air extracting device is contacted with the hot air for a long time, the use is influenced by the fact that the temperature of the air extracting device is too high, the device is convenient to cool the machine head of the extruder for a long time, and the problem that the parts in the machine head of the large-caliber extruder are easy to damage due to the fact that the internal temperature of the machine head of the large-caliber extruder is too high can not be obtained.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic perspective view of a partial structure of the present utility model;

FIG. 3 is a cross-sectional view of the mounting box of the present utility model;

fig. 4 is a schematic perspective view of a cooling fin according to the present utility model.

In the figure: 1. a base; 2. a mounting box; 3. an air extracting pump; 4. installing a pipe; 5. a vent pipe; 6. an exhaust pipe; 7. a cooling box; 8. a cooling fin; 9. a heat conductive plate; 10. a circulation pump; 11. a water pipe; 12. a mounting frame; 13. a fan; 14. a temperature sensor; 15. and a fixing hole.

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.

Referring to fig. 1-4, an air extracting device for a large-caliber extruder comprises a base 1 arranged at the front side of a large-caliber extruder head, a mounting box 2 is fixed at the top of the base 1, an air extracting pump 3 is fixed in the mounting box 2, one side of the air extracting pump 3 is communicated with a mounting pipe 4, one end of the mounting pipe 4 penetrates to the outside of the mounting box 2, the surface of the mounting pipe 4 is communicated with three air pipes 5, one end of the air pipe 5 far away from the mounting pipe 4 penetrates through the extruder head and is communicated with the extruder head, in the production process of the large-caliber extruder, heat accumulated at the extruder head can be effectively extracted through a plurality of air pipes 5, the purpose of cooling the large-caliber extruder head is achieved, the service life of the extruder is further prolonged, the other side of the air extracting pump 3 is communicated with an air pipe 6, and one end of the exhaust pipe 6 penetrates to the outside of the installation box 2, the top of the installation box 2 is fixed with a cooling box 7, the inside of the cooling box 7 is filled with cooling water, the inside of the cooling box 7 is fixed with a plurality of cooling fins 8, the bottom of the cooling fins 8 penetrates to the inside of the installation box 2 and is fixed with a heat conducting plate 9, the materials of the cooling fins 8 and the heat conducting plate 9 are the same as those of the water pipe 11, the surface of the bottom of the heat conducting plate 9 is contacted with the surface of the air pump 3, the shape of the surface of the bottom of the heat conducting plate 9 is matched with the contact position of the air pump 3, the heat conducting plate 9 can be attached to the surface of the air pump 3, so that heat generated in the operation process of the air pump 3 can be quickly conducted to the surface of the heat conducting plate 9, the air pump 3 can be quickly cooled by being matched with the cooling water flowing above, and the air pump 3 can adapt to long-time extrusion work of a large-caliber extruder, the front side of the cooling box 7 is fixedly provided with the circulating pump 10, the two sides of the cooling box 7 are respectively communicated with the water pipe 11, and the other end of the water pipe 11 is communicated with the circulating pump 10.

The material of water pipe 11 is copper aluminum alloy, the top of cooling box 7 both sides all is fixed with a plurality of mounting brackets 12, and the inside of mounting bracket 12 is fixed with fan 13, after circulating pump 10 opens, fan 13 also directly opens, the inside cooling water of cooling box 7 is when flowing into the inside of water pipe 11, fan 13 blows the wind at the surface of water pipe 11, and then cool down the inside cooling water of water pipe 11, in order to improve the cooling effect to aspiration pump 3, avoid aspiration pump 3 to cool down the processing to the heavy-calibre extruder for a long time, lead to self high temperature, influence subsequent cooling work.

The positive one side of mounting box 2 is fixed with temperature sensor 14, and temperature sensor 14's inductive head runs through mounting box 2 and extends to the inside of mounting box 2, electric connection between temperature sensor 14 and the circulating pump 10, when this extruder is cooled down the operation after aspiration pump 3 is opened, temperature sensor 14 alright carry out real-time supervision to aspiration pump 3, after the operating temperature of aspiration pump 3 risees to a take the altitude, alright open circulating pump 10 voluntarily to cool down the operation to aspiration pump 3.

The fixed orifices 15 have been seted up on the surface of cooling fin 8, and the quantity of fixed orifices 15 is a plurality of, and their evenly distributed is on cooling fin 8 upper half surface, when the inside of cooling water at cooling box 7 flows, can increase cooling fin 8 and cooling water's area of contact, and then improves the cooling effect to aspiration pump 3, makes things convenient for aspiration pump 3 to cool down the processing to the extruder for a long time.

Working principle: when the large-caliber extruder with the air exhausting device is used for production and processing, plastic in the extruding cylinder of the extruder moves to the tail of the extruder, a certain amount of heat is accumulated at the head of the extruder, a worker opens the air pump 3, so that the air pump 3 pumps hot air at the head through a plurality of ventilation pipes 5, the head is kept at a proper temperature, then the air pump 3 exhausts hot air through the exhaust pipe 6, the air pump 3 needs to continuously cool the head of the extruder along with the production and processing work of the extruder, the temperature of the air pump 3 is continuously increased, when the temperature sensor 14 detects that the temperature in the mounting box 2 is too high, the circulating pump 10 and the fan 13 are opened, so that cooling water circularly flows in the cooling box 7, and when the cooling water flows through the water pipe 11, the fan 13 cools the cooling water in the water pipe 11, so that the temperature of the air pump 3 is lowered, and the large-caliber extruder is cooled for a long time.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

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

Claims

1. The utility model provides an updraft ventilator for heavy-calibre extruder, including installing base (1) at heavy-calibre extruder aircraft nose department front side, its characterized in that: the utility model discloses a cooling system for the solar energy collection device, including base (1), installation box (2), cooling box (7) and circulating pump (10), the top of base (1) is fixed with installation box (2), the inside of installation box (2) is fixed with aspiration pump (3), one side intercommunication of aspiration pump (3) has installation tube (4), the one end of aspiration tube (6) is run through to the outside of installation box (2), the top of installation box (2) is fixed with cooling box (7), and the inside of cooling box (7) is filled with cooling water, the inside of cooling box (7) is fixed with a plurality of cooling plates (8), and the bottom of cooling plate (8) runs through to the inside of installation box (2) and is fixed with heat conducting plate (9), the front side of cooling box (7) is fixed with circulating pump (10), the both sides of cooling box (7) all communicate and have water pipe (11), and the other end and circulating pump (10) of water pipe (11) are linked together.

2. The exhaust device for a large-caliber extruder as claimed in claim 1, wherein: the number of the vent pipes (5) is three, and one end, far away from the mounting pipe (4), of each vent pipe (5) penetrates through the head of the extruder and is communicated with the head of the extruder.

3. The exhaust device for a large-caliber extruder as claimed in claim 1, wherein: the material of water pipe (11) is copper aluminum alloy, the top of cooling box (7) both sides all is fixed with a plurality of mounting brackets (12), and the inside of mounting bracket (12) is fixed with fan (13).

4. The exhaust device for a large-caliber extruder as claimed in claim 1, wherein: the cooling fin (8) and the heat conducting plate (9) are made of the same material as the water pipe (11), the surface of the bottom of the heat conducting plate (9) is in contact with the surface of the air pump (3), and the shape of the surface of the bottom of the heat conducting plate (9) is matched with the contact position of the air pump (3).

5. The exhaust device for a large-caliber extruder as claimed in claim 1, wherein: the temperature sensor (14) is fixed on one side of the front face of the installation box (2), the sensing head of the temperature sensor (14) penetrates through the installation box (2) and extends to the inside of the installation box (2), and the temperature sensor (14) is electrically connected with the circulating pump (10).

6. The exhaust device for a large-caliber extruder as claimed in claim 1, wherein: the surface of the cooling fin (8) is provided with a plurality of fixing holes (15), and the fixing holes (15) are uniformly distributed on the surface of the upper half part of the cooling fin (8).