CN218821149U

CN218821149U - Auxiliary cooling device for outlet of plastic extruder

Info

Publication number: CN218821149U
Application number: CN202222296210.2U
Authority: CN
Inventors: 吴迪高; 叶林杰; 王明景; 席冬旭; 闫泓予; 张钰; 李卓然; 张汉; 刘朝阳
Original assignee: Zhejiang Jiaogong New Material Co ltd
Current assignee: Zhejiang Jiaogong New Material Co ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2023-04-07
Anticipated expiration: 2032-08-31

Abstract

The utility model relates to the technical field of plastic extruders, in particular to an auxiliary cooling device for an outlet of a plastic extruder, which comprises a cooling device; the cooling device comprises a cooling tank with an opening at the upper end and a tank-shaped structure, an atomizing spray head, a cooling pipe and a water pump; a feed inlet and a discharge outlet are formed in the periphery of the upper part of the cooling tank; the feed inlet and the discharge outlet are oppositely arranged and have the same horizontal height; the water pump is arranged at the lower part of the inner cavity of the cooling tank, and the atomizing nozzle is arranged at the upper side of the cooling tank; the spiral winding of cooling tube just fixes in the periphery of cooling bath, and the head end and the atomizer of cooling tube are connected, and the tail end of cooling tube extends to and is connected with the water pump in the cooling bath, through the utility model discloses can realize reducing cooling device's occupation space to can effectively cool down the processing to the plastic strip, ensure the production quality of plastic strip.

Description

Auxiliary cooling device for outlet of plastic extruder

Technical Field

The utility model relates to a plastics extruder technical field, concrete field is a plastics extruder export auxiliary cooling device.

Background

In the plastic extrusion production process, the material can be extruded after the high-temperature melting of the extruder to obtain material strips with higher temperature, and the extruded material strips can be input into a granulator for granulating only after being cooled and hardened, and then are processed on the next step. In the plastic production equipment, a water tank filled with cooling water can cool and lower the temperature of the just extruded high-temperature plastic strip, so that the plastic strip becomes hard, and the plastic with optimized strength, impact resistance, heat resistance, hardness and aging resistance is obtained. In the prior art, in order to keep the water in the water tank at a certain temperature, a water storage tank for providing circulating water needs to be arranged outside the water tank, and the water in the water storage tank flows into and out of the water tank under the action of a water pump so as to ensure that the temperature of the water in the water tank is not too high, but the arrangement ensures that more cooling equipment of the plastic extruder occupies a larger space; if the water storage tank for providing circulating water is not arranged, the water in the water tank can continuously absorb the heat of the plastic strips so that the water in the water tank continuously rises, and finally the cooling effect of the water tank on the plastic strips is reduced, so that the quality of the plastic strips is influenced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a cooling device is assisted in plastics extruder export, it can realize reducing cooling arrangement's occupation space to can effectively cool down the processing to the plastic strip, ensure the production quality of plastic strip.

In order to achieve the above object, the utility model provides a following technical scheme: an auxiliary cooling device for an outlet of a plastic extruder is used for cooling plastic strips produced by the plastic extruder and comprises a cooling device;

the cooling device comprises a cooling tank with an opening at the upper end and a tank-shaped structure, an atomizing spray head, a cooling pipe and a water pump;

a feed inlet and a discharge outlet are formed in the periphery of the upper part of the cooling tank; the feed inlet and the discharge outlet are oppositely arranged and have the same horizontal height;

the water pump is arranged at the lower part of the inner cavity of the cooling tank, and the atomizing nozzle is arranged at the upper side of the cooling tank; the cooling tube spiral winding just fixes in the periphery of cooling bath, and the head end and the atomizer of cooling tube are connected, and the tail end of cooling tube extends to and is connected with the water pump in the cooling bath.

Preferably, the number of turns of the cooling pipe wound around the outer periphery of the cooling tank is six.

Preferably, the cooling pipe is in line contact with the cooling groove.

Preferably, the cooling pipe is made of metal.

Preferably, the cooling device further comprises an upper cover; the upper cover is erected at the upper end of the cooling tank, and a gap is reserved between the lower end of the upper cover and the upper end of the cooling tank; the atomizing nozzle is arranged on the upper cover; the lower end of the atomizing spray head is provided with a plurality of atomizing nozzles which are positioned on the lower side of the upper cover.

Preferably, the number of the atomizing nozzles is three.

Preferably, the cooling device further comprises a brush groove; the head end of the brush groove is fixedly connected with the cooling groove, and the brush groove is arranged at the discharge port; the brush groove is communicated with the cooling groove.

Preferably, the level of the head end of the brush groove is lower than that of the tail end of the brush groove.

Preferably, the plastic extruder is provided with a plastic strip extrusion port; the level of the plastic strip extrusion opening is the same as that of the feed opening.

Compared with the prior art, the beneficial effects of the utility model are that: through winding the cooling tube in the periphery of cooling bath, when increasing the stroke of water, also improved the heat radiating area of water, avoided the continuous rise of temperature of cooling bath water, improved plastic strip water-cooling efficiency, owing to need not be equipped with the circulating device of cooling water again outward for this cooling device compact structure, occupation working space is little, does benefit to the operational environment who improves plastics production.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;

FIG. 2 is a schematic view of the structure of the cooling box of the present invention;

fig. 3 is a schematic side view of the cooling box of the present invention.

In the figure: 1, a cooling device, 101 a cooling tank, 1011 a feed inlet, 102 an upper cover, 103 an atomizing nozzle, 1031 an atomizing nozzle, 104 a cooling pipe and 105 a brush tank;

2 plastic extruder, 201 plastic strip extrusion outlet.

Detailed Description

The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings to make it clear to those skilled in the art how to practice the invention. While the invention has been described in connection with its preferred embodiments, these embodiments are intended to be illustrative, and not limiting, of the scope of the invention.

The first embodiment is as follows: referring to fig. 1-3, an auxiliary cooling device for an outlet of a plastic extruder is used for cooling plastic strips produced by a plastic extruder 2, and comprises: a cooling device 1.

The cooling device 1 comprises a cooling tank 101, an upper cover 102, an atomizing spray head 103, a cooling pipe 104 and a brush groove 105; the cooling tank 101 is of a tank-shaped structure with an open upper end, and a feed inlet 1011 is formed in the periphery of the upper part of the cooling tank; in the present embodiment, the plastic extruder 2 is provided with a plastic strip extrusion port 201; the plastic extruder 2 is arranged on the rear side of the cooling tank 101, the plastic strip extrusion port 201 and the feed port 1011 are arranged oppositely, and the horizontal height of the plastic strip extrusion port 201 is the same as that of the feed port 1011, so that the plastic strips can directly enter the cooling tank 101 through the feed port 1011 to be cooled after coming out of the plastic strip extrusion port 201, and the plastic strips are prevented from being broken due to the height difference between the plastic strip extrusion port 201 and the feed port 1011;

the upper cover 102 is erected at the upper end of the cooling tank 101, and a gap is reserved between the lower end of the upper cover 102 and the upper end face of the cooling tank 101, so that air circulation is facilitated; the atomizing nozzle 103 is fixedly installed on the upper cover 102, the atomizing nozzle 103 is provided with three atomizing nozzles 1031, and the three atomizing nozzles 1031 are all positioned on the lower side of the upper cover 102;

the cooling pipe 104 is made of metal, the cooling pipe 104 is spirally wound and fixed on the periphery of the cooling tank 101 from bottom to top, and the cooling pipe 104 is in line contact with the periphery of the cooling tank 101, so that the contact between the periphery of the cooling pipe 104 and the periphery of the cooling tank 101 is small, and the heat exchange is reduced; the head end of the cooling pipe 104 is connected with the atomizing nozzle 103, and the tail end of the cooling pipe 104 extends into the inner cavity of the cooling tank 101; in this embodiment, the cooling device 1 further includes a water pump electrically connected to an external power supply, and the water pump is disposed at a lower portion of the inner cavity of the cooling bath 101; the tail end of the cooling pipe 104 is connected with a water pump;

in the present embodiment, the cooling pipe 104 is wound around the outer circumference of the cooling bath 101 for six turns, which is to increase the stroke of water and the contact area of the cooling pipe 104 with air, and to improve the heat radiation efficiency of water.

The brush groove 105 is of a rectangular tubular structure which is through from head to tail, and PA bristles are arranged inside the brush groove 105; the head end of the brush groove 105 is fixedly connected with the front end of the cooling groove 101, and the brush groove 105 is communicated with the cooling groove 101; in the present embodiment, the communication port of the fur brush groove 105 and the cooling groove 101 is located in front of the feed port 1011 and the horizontal height of the communication port of the fur brush groove 105 and the cooling groove 101 is the same as the horizontal height of the feed port 1011;

in a preferred scheme, the level of the outlet at the head end of the brush groove 105 is lower than that at the tail end of the brush groove 105, so that water can be left in the brush groove 105 when the plastic strips pass through the brush groove 105, and the water can flow back to the cooling groove 101 due to the height difference between the head end and the tail end of the brush groove 105, so that the circulation of the water is facilitated, and the water is prevented from being taken out of the cooling groove 101 to pollute the working environment of plastic production.

The working principle of the device is as follows: the plastic strips enter the cooling tank 101 through the feeding hole 1011, the water pump works to pump the water in the cooling tank 101 to the atomizing spray head 103 for spraying, the water mist falls on the surface of the plastic strips for absorbing heat and gradually condenses to fall into the cooling tank 101, and the cooled plastic strips are discharged out of the cooling tank 101 through the brush groove 105, so that the water circulation is achieved; the plastic strips are continuously cooled by water, meanwhile, the heat of the plastic strips is brought into the cooling tank 101, the water is sent into the atomizing spray head 103 by the water pump through the cooling pipe 104, and the cooling pipe 104 is made of metal and is arranged on the periphery of the cooling tank 101 in a large area, so that the water path is increased, the heat dissipation efficiency of the flowing water is increased, and the temperature of the water in the cooling tank 101 cannot be gradually increased; meanwhile, due to the existence of the atomizing nozzle 103, the water is atomized and radiated continuously during atomization, and the temperature in the cooling tank 101 is further prevented from rising continuously.

Through this technical scheme, twine cooling tube 104 in the periphery of cooling bath 101, when increasing the stroke of water, also improved the heat radiating area of water, avoided the temperature of cooling bath 101 water to rise constantly, improved plastic strip water-cooling efficiency, owing to need not be peripheral hardware cooling water's circulating device again for this cooling device compact structure, it is little to occupy working space, does benefit to the operational environment who improves plastics production.

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 a plastics extruder export auxiliary cooling device for the cooling of cooling down of the plastic strip for plastics extruder (2) production, its characterized in that: a cooling device (1);

the cooling device (1) comprises a cooling tank (101) with an opening at the upper end and a tank-shaped structure, an atomizing spray head (103), a cooling pipe (104) and a water pump;

a feed inlet (1011) and a discharge outlet are formed in the periphery of the upper part of the cooling tank (101); the feed inlet (1011) and the discharge outlet are arranged oppositely and have the same horizontal height;

the water pump is arranged at the lower part of the inner cavity of the cooling tank (101), and the atomizing nozzle (103) is arranged at the upper side of the cooling tank (101); the cooling pipe (104) is spirally wound and fixed on the periphery of the cooling tank (101), the head end of the cooling pipe (104) is connected with the atomizing nozzle (103), and the tail end of the cooling pipe (104) extends into the cooling tank (101) and is connected with the water pump.

2. An auxiliary cooling device for an outlet of a plastic extruder as claimed in claim 1, wherein: the number of turns of the cooling pipe (104) wound on the periphery of the cooling tank (101) is six.

3. An auxiliary cooling device for an outlet of a plastic extruder as claimed in claim 1, wherein: the cooling pipe (104) is in line contact with the cooling groove (101).

4. An auxiliary cooling device for an outlet of a plastic extruder as claimed in claim 1, wherein: the cooling pipe (104) is made of metal.

5. An auxiliary cooling device for an outlet of a plastic extruder as claimed in claim 1, wherein: the cooling device (1) further comprises an upper cover (102); the upper cover (102) is erected at the upper end of the cooling tank (101), and a gap is reserved between the lower end of the upper cover (102) and the upper end of the cooling tank (101); the atomizing nozzle (103) is arranged on the upper cover (102); the lower end of the atomizing spray head (103) is provided with a plurality of atomizing nozzles (1031), and the atomizing nozzles (1031) are positioned on the lower side of the upper cover (102).

6. An auxiliary cooling device for an outlet of a plastic extruder in accordance with claim 5, wherein: the number of the atomizing nozzles (1031) is three.

7. An auxiliary cooling device for an outlet of a plastic extruder, according to claim 1, is characterized in that: the cooling device (1) further comprises a brush groove (105); the head end of the brush groove (105) is fixedly connected with the cooling groove (101), and the brush groove (105) is arranged at the discharge port; the brush tank (105) is communicated with the cooling tank (101).

8. An auxiliary cooling device for an outlet of a plastic extruder as claimed in claim 7, wherein: the level of the head end of the brush groove (105) is lower than that of the tail end.

9. An auxiliary cooling device for an outlet of a plastic extruder as claimed in claim 1, wherein: the plastic extruder (2) is provided with a plastic strip extrusion opening (201); the level of the plastic strip extrusion opening (201) is the same as that of the feed opening (1011).