CN216941776U

CN216941776U - Cooling system of double-screw extruder

Info

Publication number: CN216941776U
Application number: CN202220439172.9U
Authority: CN
Inventors: 刘经宽; 刘杰
Original assignee: Qingdao Hefeng New Material Co ltd
Current assignee: Qingdao Hefeng New Material Co ltd
Priority date: 2022-03-02
Filing date: 2022-03-02
Publication date: 2022-07-12
Anticipated expiration: 2032-03-02

Abstract

The utility model belongs to the technical field of extruders and discloses a cooling system of a double-screw extruder, which comprises a mounting frame, wherein the left side of the top of the mounting frame is fixedly provided with the screw extruder, the right side of the screw extruder is fixedly communicated with an extrusion die, the right side of the extrusion die is fixedly communicated with a discharge hole, the right side of the top of the mounting frame is fixedly provided with a cooling bin, and a slide way is arranged in the cooling bin. According to the utility model, through the cooling bin, the slide way and the water cooling machine, a worker can conveniently guide a formed product into the cooling bin through the discharge hole and the guide groove and make the formed product fit with the inner wall of the slide way, so that a good cooling effect is achieved, meanwhile, the cooling efficiency is improved, and high-temperature water returned to the cooling bin through the drain pipe can be cooled through the water cooling machine, so that the requirement of cooling water is met, the circulating temperature control can be carried out, and a good and efficient cooling function is achieved.

Description

Cooling system of double-screw extruder

Technical Field

The utility model belongs to the technical field of extruders, and particularly relates to a cooling system of a double-screw extruder.

Background

The extruder belongs to one of the types of plastic machinery, and can divide a 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 a screw; the screw extruder depends on pressure and shearing force generated by screw rotation, so that materials can be fully plasticized and uniformly mixed and are molded through a neck mold; plastics extruders can be classified basically into twin-screw extruders, single-screw extruders and, less frequently, multi-screw extruders and also screwless extruders.

At present, twin-screw extruder has higher production mechanism efficiency, and the screw extruder need in time cool off it after accomplishing the extrusion moulding of raw materials, so that the shaping product can be stereotyped fast, therefore cooling system can be installed usually to extruder production processing equipment, and although current extruder cooling system also can reach the purpose of in time cooling, nevertheless because the cooling water level that uses among the current cooling system is continuous, consequently the place ahead is accomplished the cooling and is absorbed partial thermal water and can be for in time accomplishing refrigerated water production influence in the rear, and then improve the temperature of rear cooling water, reduce cooling efficiency, consequently, need improve it.

Simultaneously, because the inside certain temperature that needs to keep of extruder front end forming die to ensure inside raw materials can be under the effect of extruder rapid prototyping, and current extruder mould is exposed installation mostly, exposes in the air, leads to its inside temperature to receive the stable influence of surrounding environment, thereby makes the temperature of its inside raw materials reduce fast, thereby leads to being difficult to effective fashioned condition, consequently also need improve it.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provides a cooling system of a double-screw extruder, which has the advantages of high cooling efficiency and good environmental protection.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a cooling system of double screw extruder, includes the mounting bracket, the left side fixed mounting at mounting bracket top has screw extruder, the fixed intercommunication in right side of screw extruder has extrusion tooling, the fixed intercommunication in right side of extrusion tooling has the discharge gate, the right side fixed mounting at mounting bracket top has the cooling storehouse, the slide has been seted up to the inside in cooling storehouse, the top fixed mounting in cooling storehouse has the water-cooled machine, the left side fixedly connected with in cooling storehouse is located the left guide way of slide, the right side fixedly connected with in cooling storehouse is located the row's silo on slide right side, because the setting of guide way, can make things convenient for the inside of the leading-in cooling storehouse of product that the staff was drawn forth the discharge gate inside to make its inner wall laminating with the slide, thereby reach good cooling effect.

As a preferable technical scheme of the utility model, the inner walls of the guide groove, the slideway and the discharge groove have the same size and are adaptive, and the inner walls of the guide groove, the slideway and the discharge groove are smooth.

As a preferred technical scheme of the utility model, the outer surface of the extrusion die is sleeved with a water bath tank, the bottom of the water bath tank is fixedly connected with the top of the mounting frame, the left side of the inner wall of the water bath tank is fixedly sleeved with the outer surface of the screw extruder, and the cooled water can be used for cooling the extrusion die through the water bath tank, so that a good water preheating effect is achieved.

As a preferable technical scheme of the utility model, the bottom of the back of the cooling bin is fixedly communicated with a drain pipe, the other end of the drain pipe is fixedly connected with the top of the water bath box, the drain pipe is communicated with the inside of the water bath box, and due to the arrangement of the drain pipe, low-temperature water after water bath in the water bath box is finished can be conveniently guided into the cooling bin through the drain pipe by a worker for reuse.

As a preferable technical scheme of the utility model, the top of the front surface of the cooling bin is fixedly communicated with a water inlet pipe, the bottom of the water inlet pipe is fixedly communicated with a connecting sleeve, the right side of the connecting sleeve is fixedly communicated with a pressure valve, the right side of the pressure valve is fixedly communicated with a water replenishing pipe, and through the arranged pressure valve, when a water pump pumps water through the water inlet pipe, the constant pressure of the water in the water inlet pipe can be ensured, and meanwhile, once the water quantity is insufficient, the pressure is overhigh, and the water can be replenished through the water replenishing pipe.

As a preferred technical scheme of the utility model, a water pump positioned right below the water inlet pipe is fixedly installed on the front side of the cooling bin, the top of the water pump is fixedly connected with a water pumping pipe, the top of the water pumping pipe is fixedly communicated with the bottom of the connecting sleeve, the bottom of the water pump is fixedly connected with a water delivery pipe, the other end of the water delivery pipe is fixedly communicated with the bottom of the water bath box, and due to the arrangement of the water delivery pipe, water which is cooled and has an increased temperature in the cooling bin can be delivered to the inside of the water bath box under the action of the water pump, so that the water can be recycled, and the utilization rate of water resources and heat can be increased.

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

1. according to the utility model, through the cooling bin, the slide way and the water cooling machine, a worker can conveniently guide a formed product into the cooling bin through the discharge hole and the guide groove and make the formed product fit with the inner wall of the slide way, so that a good cooling effect is achieved, meanwhile, the cooling efficiency is improved, and high-temperature water returned to the cooling bin through the drain pipe can be cooled through the water cooling machine, so that the requirement of cooling water is met, the circulating temperature control can be carried out, and a good and efficient cooling function is achieved.

2. According to the utility model, through the water bath tank, the drain pipe and the pressure valve, the internal extrusion die can be protected from dust through the water bath tank, and further, the water in the cooling bin and the water in the water bath tank can be recycled and alternately utilized under the matching of the drain pipe and the water delivery pipe, so that the efficiency of water bath heat preservation on the inside of the extrusion die can be improved, and a good extrusion molding effect is achieved.

Drawings

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

FIG. 2 is a schematic sectional view of the water bath tank of the present invention;

FIG. 3 is a schematic view of the backside structure of the present invention;

FIG. 4 is a schematic front sectional view of a cooling chamber according to the present invention;

fig. 5 is an enlarged schematic view of a portion a in fig. 1.

In the figure: 1. a mounting frame; 2. a screw extruder; 3. extruding the mould; 4. a discharge port; 5. a cooling bin; 6. a slideway; 7. a water cooling machine; 8. a guide groove; 9. a discharge chute; 10. a water bath tank; 11. a drain pipe; 12. a water inlet pipe; 13. connecting sleeves; 14. a pressure valve; 15. a water replenishing pipe; 16. a water pump; 17. a water pumping pipe; 18. a water delivery pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in figures 1 to 5, the utility model provides a cooling system of a double-screw extruder, which comprises a mounting frame 1, wherein the left side of the top of the mounting frame 1 is fixedly provided with a screw extruder 2, the right side of the screw extruder 2 is fixedly communicated with an extrusion die 3, the right side of the extrusion die 3 is fixedly communicated with a discharge hole 4, the right side of the top of the mounting frame 1 is fixedly provided with a cooling bin 5, the inside of the cooling bin 5 is provided with a slideway 6, the top of the cooling bin 5 is fixedly provided with a water cooler 7, the left side of the cooling bin 5 is fixedly connected with a guide groove 8 positioned at the left side of the slideway 6, the right side of the cooling bin 5 is fixedly connected with a discharge groove 9 positioned at the right side of the slideway 6, due to the arrangement of the guide groove 8, the work personnel can conveniently guide the products led out from the inside of the discharge port 4 into the cooling bin 5, and the products are attached to the inner wall of the slide 6, so that a good cooling effect is achieved.

Wherein, the inner wall size of guide way 8, slide 6 and row material tank 9 is the same and looks adaptation, and the inner wall of guide way 8, slide 6 and row material tank 9 is all smooth.

Wherein, extrusion tooling 3's surface has cup jointed water bath 10, and water bath 10's bottom and mounting bracket 1's top fixed connection, the left side of water bath 10 inner wall cup joints with screw extruder 2's surface mounting, and through the water bath 10 that sets up, can cool off extrusion tooling 3 through water bath 10 with the water after accomplishing the cooling to reach good water and preheat the effect.

Wherein, the fixed intercommunication in bottom at the cooling bin 5 back has drain pipe 11, the other end of drain pipe 11 and the top fixed connection of water bath 10, and drain pipe 11 and water bath 10's inside intercommunication each other because the setting of drain pipe 11, can make things convenient for the staff to pass through the inside of leading-in cooling bin 5 of drain pipe 11 with the inside low temperature water after accomplishing the water bath of water bath 10 and recycle.

Wherein, the positive top of cooling bin 5 is fixed the intercommunication has inlet tube 12, the fixed intercommunication in bottom of inlet tube 12 has adapter sleeve 13, the fixed intercommunication in right side of adapter sleeve 13 has pressure valve 14, the fixed intercommunication in right side of pressure valve 14 has moisturizing pipe 15, through the pressure valve 14 that sets up, when water pump 16 carries out the time pump sending of water through inlet tube 12, can ensure the constant voltage of the inside water of inlet tube 12, in case the water yield is not enough simultaneously and leads to the pressure too high to carry out water supplementation through moisturizing pipe 15.

Wherein, the positive fixed mounting in cooling bin 5 has the water pump 16 that is located inlet tube 12 under, the top fixedly connected with drinking-water pipe 17 of water pump 16, the top of drinking-water pipe 17 and the fixed intercommunication in bottom of adapter sleeve 13, the bottom fixedly connected with raceway 18 of water pump 16, the other end of raceway 18 and the fixed intercommunication in bottom of water bath 10, because the setting of raceway 18, can carry the inside to water bath 10 with the completion cooling of cooling bin 5 inside and the water after the temperature improves under the effect of water pump 16, and then accomplish cyclic utilization, thereby improve water resource and thermal utilization ratio.

The working principle and the using process of the utility model are as follows:

firstly, starting equipment for extrusion molding, enabling a product to accurately enter the cooling bin 5 through the discharge port 4 and the guide groove 8 and be attached to the inner wall of the slide way 6 after the product is molded through the extrusion die 3, ensuring that the water cooler 7 can cover more products through the slide way 6 after cooling water in the cooling bin 5, and further quickly achieving the purpose of cooling; and the water pump 16 can pump the heated water in the cooling bin 5 to the inside of the water bath box 10 through the water inlet pipe 12, the water pumping pipe 17 and the water conveying pipe 18 under the cooperation of the pressure valve 14 and the water replenishing pipe 15, perform hydrothermal heat preservation on the raw materials in the extrusion die 3, and return to the inside of the cooling bin 5 through the water discharging pipe 11 for circulation.

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 changes, modifications, substitutions and alterations can be made in these embodiments 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. A cooling system of a twin-screw extruder, comprising a mounting frame (1), characterized in that: the utility model discloses a cooling device, including mounting bracket (1), screw extruder (2) are installed to the left side fixed mounting at mounting bracket (1) top, the fixed intercommunication in right side of screw extruder (2) has extrusion tooling (3), the fixed intercommunication in right side of extrusion tooling (3) has discharge gate (4), the right side fixed mounting at mounting bracket (1) top has cooling storehouse (5), slide (6) have been seted up to the inside in cooling storehouse (5), the top fixed mounting in cooling storehouse (5) has water-cooled machine (7), the left side fixedly connected with in cooling storehouse (5) is located left guide way (8) of slide (6), the row's silo (9) are arranged to the right side fixedly connected with in cooling storehouse (5) is located slide (6) right side.

2. The cooling system of a twin-screw extruder as set forth in claim 1, wherein: the inner wall size of guide way (8), slide (6) and row material groove (9) is the same and looks adaptation, the inner wall of guide way (8), slide (6) and row material groove (9) is all smooth.

3. The cooling system of a twin-screw extruder as set forth in claim 1, wherein: the outer surface of the extrusion die (3) is sleeved with a water bath tank (10), the bottom of the water bath tank (10) is fixedly connected with the top of the mounting rack (1), and the left side of the inner wall of the water bath tank (10) is fixedly sleeved with the outer surface of the screw extruder (2).

4. The cooling system of a twin-screw extruder as set forth in claim 1, wherein: the bottom of the back of the cooling bin (5) is fixedly communicated with a drain pipe (11), the other end of the drain pipe (11) is fixedly connected with the top of the water bath box (10), and the drain pipe (11) is communicated with the inside of the water bath box (10).

5. The cooling system of a twin-screw extruder as set forth in claim 1, wherein: the positive top of cooling bin (5) is fixed the intercommunication has inlet tube (12), the fixed intercommunication in bottom of inlet tube (12) has adapter sleeve (13), the fixed intercommunication in right side of adapter sleeve (13) has pressure valve (14), the fixed intercommunication in right side of pressure valve (14) has moisturizing pipe (15).

6. The cooling system of a twin-screw extruder as set forth in claim 1, wherein: the positive fixed mounting in cooling bin (5) has water pump (16) that is located inlet tube (12) under, the top fixedly connected with drinking-water pipe (17) of water pump (16), the top of drinking-water pipe (17) and the fixed intercommunication in bottom of adapter sleeve (13), the bottom fixedly connected with raceway (18) of water pump (16), the other end of raceway (18) and the fixed intercommunication in bottom of water bath case (10).