CN214687877U

CN214687877U - Improved cooling device of double-screw extruder

Info

Publication number: CN214687877U
Application number: CN202120633410.5U
Authority: CN
Inventors: 韦先
Original assignee: Qufu Fufeng Auto Parts Manufacturing Co ltd
Current assignee: Qufu Fufeng Auto Parts Manufacturing Co ltd
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2021-11-12
Anticipated expiration: 2031-03-29

Abstract

The utility model provides a modified double screw extruder cooling device, including the cold water tank, and a support, the water catch bowl, a water pump, the inlet tube, the shower, snakelike cooling tube, outlet pipe and atomizer, cold water tank fixed mounting is on the upper portion of support, the water catch bowl sets up in the cold water tank below, snakelike cooling tube sets up between cold water tank and water catch bowl, upper end and cold water tank bottom intercommunication, lower extreme and shower intercommunication, the shower is located the upper portion of water catch bowl, inlet tube one end and water catch bowl's bottom intercommunication, the other end and water pump entry intercommunication, the water pump is fixed in support one side, the export intercommunication of water pump has the outlet pipe, the fixed intercommunication of one end that the water pump was kept away from to the outlet pipe has the atomizer. The device can be directly transformed on the existing equipment, has simple structure, occupies less space, is easy to operate and is convenient to maintain; the cooling effect is good, the water temperature in the cold water tank is ensured, and the quality and the yield of products are improved; the water does not need to be changed frequently, and the cost of manpower and material resources is saved.

Description

Improved cooling device of double-screw extruder

Technical Field

The utility model relates to a plastics regeneration technical field especially relates to a modified double screw extruder cooling device.

Background

The extrusion method by a plastic extruder generally means that a plastic is melted at a high temperature of about 200 degrees centigrade and the melted plastic is formed into a desired shape when passing through a die. The formed plastic strip should be cooled and shaped immediately after leaving the machine head, otherwise it will deform under the action of gravity. Although the existing cooling device can realize the cooling treatment of the plastic strip, the following problems exist:

1. the existing cold water tank usually achieves a good cooling effect by prolonging the length of a track of the existing cold water tank, but a large amount of production fields are occupied.

2. When the plastic strip passes through the cold water tank, the water temperature in the cold water tank can rise rapidly, and the water temperature in the cold water tank cannot be reduced rapidly by the conventional cooling device.

3. In order to ensure the cooling effect of the plastic strips, water needs to be frequently changed, water resources are wasted, and the production efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the existing problems, the utility model provides an improved cooling device of a double-screw extruder, which can be directly transformed on the existing equipment, has simple structure, occupies less space, is easy to operate and is convenient to maintain; the cooling effect is good, the water temperature in the cold water tank is ensured, and the quality and the yield of products are improved; the water does not need to be changed frequently, and the cost of manpower and material resources is saved.

The purpose of the utility model is realized through the following technical scheme.

The utility model provides a modified double screw extruder cooling device, includes cold water tank and support, cold water tank fixed mounting be in the upper portion of support, its characterized in that still includes water catch bowl, water pump, inlet tube, shower, snakelike cooling tube, outlet pipe and atomizer, the water catch bowl sets up the cold water tank below, snakelike cooling tube sets up the cold water tank with between the water catch bowl, the upper end with cold water tank bottom intercommunication, the lower extreme with the shower intercommunication, the shower is located the upper portion of water catch bowl, inlet tube one end with the bottom intercommunication of water catch bowl, the other end with water pump entry intercommunication, the water pump is fixed support one side, the export intercommunication of water pump has the outlet pipe, the one end that the water pump was kept away from to the outlet pipe is fixed with the intercommunication, and the atomizer sets up the top of cold water tank.

As above improved double screw extruder cooling device still includes air-blower, backup pad, tuber pipe and exhaust hopper, the air-blower is fixed support one side, export fixedly connected with tuber pipe, the tuber pipe pass through the backup pad with support fixed connection, the tuber pipe is kept away from the one end fixedly connected with exhaust hopper of air-blower, exhaust hopper sets up the side of snakelike cooling tube.

According to the improved cooling device of the double-screw extruder, the filter screen is arranged at the bottom of the cold water tank and the water collecting tank.

According to the improved cooling device of the double-screw extruder, the bottom of the cold water tank is inclined downwards along the length direction of the cold water tank.

According to the improved cooling device of the double-screw extruder, the serpentine radiating pipe is made of copper.

The cooling device of the double-screw extruder is improved, and the number of the sprayers is more than or equal to 2.

The cooling device of the double-screw extruder is improved, and the number of the exhaust hoppers is more than or equal to 2.

According to the improved cooling device of the double-screw extruder, the air outlet of the exhaust hopper is provided with the filter screen.

The beneficial effects of the utility model reside in that:

1. the improved cooling device of the double-screw extruder can be directly transformed on the existing equipment, has simple structure, occupies less space, is easy to operate and is convenient to maintain;

2. the improved cooling device of the double-screw extruder has good cooling effect, ensures the temperature of water in the cold water tank through water cooling and air cooling, and improves the quality and the yield of products;

3. the utility model discloses a modified double screw extruder cooling device need not frequently trade water, the material resources cost of using manpower sparingly.

Drawings

The aspects and advantages of the present application will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. In the drawings:

fig. 1 is a schematic perspective view of an improved cooling device of a twin-screw extruder according to an embodiment of the present invention.

Fig. 2 is a front view of an improved cooling device of a twin-screw extruder according to an embodiment of the present invention.

Fig. 3 is a side view of an improved twin screw extruder cooling apparatus according to an embodiment of the present invention.

The components represented by the reference numerals in the figures are:

cold water tank 1, support 2, water catch bowl 3, water pump 4, air-blower 5, inlet tube 6, backup pad 7, tuber pipe 8, shower 9, exhaust funnel 10, snakelike cooling tube 11, outlet pipe 12, atomizer 13.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. It should be noted that these embodiments are provided so that this disclosure can be more completely understood and fully conveyed to those skilled in the art, and the present disclosure may be implemented in various forms without being limited to the embodiments set forth herein.

Referring to fig. 1, fig. 2 and fig. 3, fig. 1 is a schematic perspective view of an improved cooling device of a twin-screw extruder according to an embodiment of the present invention, fig. 2 is a front view of the improved cooling device of the twin-screw extruder according to an embodiment of the present invention, and fig. 3 is a side view of the improved cooling device of the twin-screw extruder according to an embodiment of the present invention. As shown in the figure, the improved cooling device of the double-screw extruder comprises a cold water tank 1 and a support 2, wherein the cold water tank 1 is fixedly arranged at the upper part of the support 2, and further comprises a water collecting tank 3, a water pump 4, a blower 5, a water inlet pipe 6, a support plate 7, an air pipe 8, a spray pipe 9, an exhaust funnel 10, a snake-shaped radiating pipe 11, a water outlet pipe 12 and a sprayer 13; the water collecting tank 3 is arranged below the cold water tank 1, the tank bottom of the cold water tank 1 is arranged in a downward inclined mode along the length direction of the cold water tank 1, and a filter screen is arranged at the tank bottom of the cold water tank 1 and the water collecting tank 3; the serpentine radiating pipe 11 is arranged between the cold water tank 1 and the water collecting tank 3, the upper end of the serpentine radiating pipe is communicated with the bottom of the cold water tank 1, the lower end of the serpentine radiating pipe is communicated with the spray pipe 9, and preferably, the serpentine radiating pipe 11 is made of copper; the spraying pipe 9 is positioned at the upper part of the water collecting tank 3, one end of the water inlet pipe 6 is communicated with the bottom of the water collecting tank 3, the other end of the water inlet pipe is communicated with the inlet of the water pump 4, the water pump 4 is fixed at one side of the bracket 2, the outlet of the water pump 4 is communicated with the water outlet pipe 12, one end of the water outlet pipe 12, which is far away from the water pump 4, is fixedly communicated with sprayers 13, and preferably, the number of the sprayers 13 is more than or equal to 2; the blower 5 is fixed on one side of the support 2, an outlet of the blower is fixedly connected with an air pipe 8, and the air pipe 8 is fixedly connected with the support 2 through a support plate 7; one end of the air pipe 8, which is far away from the air blower 5, is fixedly connected with exhaust hoppers 10, preferably, the number of the exhaust hoppers 10 is more than or equal to 2. The air exhaust funnel 10 is arranged on the side surface of the serpentine radiating pipe 11, preferably, a filter screen is arranged at the air outlet of the air exhaust funnel 10.

The specific working mode is as follows:

when the high-temperature plastic strip extruded by the double-screw extruder passes through the cold water tank 1, the water temperature in the cold water tank 1 can rise rapidly; the blower 5 is turned on, at this time, hot water in the cold water tank 1 sequentially passes through the serpentine radiating pipe 11 and the spraying pipe 9 to enter the water collecting tank 3, the serpentine radiating pipe 11 is made of copper, the radiating effect is good, and the water cooling effect is good due to the cooling of air blown out by the exhaust funnel 10; finally, the water is changed into a water mist state through the spraying pipe 9, so that the contact area of the water and the air is increased, the water temperature can be better reduced, and the water is finally collected into the water collecting tank 3; the water pump 4 is started, the water in the water collecting tank 3 is conveyed to the water outlet pipe 12 through the water pump 4 and finally enters the cold water tank 1 through the sprayer 13, the sprayer 13 changes the water into water mist, the contact area between the water mist and the air can be increased, the water temperature is reduced again, and therefore the water in the cold water tank 1 can be cooled in a circulating mode.

The improved cooling device of the double-screw extruder can be directly transformed on the existing equipment, has simple structure, occupies less space, is easy to operate and is convenient to maintain; the cooling effect is good, the water temperature in the cold water tank is ensured through water cooling and air cooling, and the quality and the yield of products are improved; the water does not need to be changed frequently, and the cost of manpower and material resources is saved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The improved cooling device of the double-screw extruder comprises a cold water tank (1) and a support (2), wherein the cold water tank (1) is fixedly arranged on the upper part of the support (2), and is characterized by further comprising a water collecting tank (3), a water pump (4), a water inlet pipe (6), a spray pipe (9), a snakelike radiating pipe (11), a water outlet pipe (12) and a sprayer (13), wherein the water collecting tank (3) is arranged below the cold water tank (1), the snakelike radiating pipe (11) is arranged between the cold water tank (1) and the water collecting tank (3), the upper end of the snakelike radiating pipe (11) is communicated with the bottom of the cold water tank (1), the lower end of the snakelike radiating pipe (11) is communicated with the spray pipe (9), the spray pipe (9) is arranged on the upper part of the water collecting tank (3), one end of the water inlet pipe (6) is communicated with the bottom of the water collecting tank (3), the other end of the water pump is communicated with an inlet of the water pump (4), the water pump (4) is fixed on the support (2), an outlet of the water pump (4) is communicated with a water outlet pipe (12), one end, far away from the water pump (4), of the water outlet pipe (12) is fixedly communicated with a sprayer (13), and the sprayer (13) is arranged above the cold water tank (1).

2. The improved cooling device for the twin-screw extruder of claim 1, further comprising an air blower (5), a support plate (7), an air pipe (8) and an exhaust funnel (10), wherein the air blower (5) is fixed on the support (2), the outlet of the air blower (5) is connected with the air pipe (8), the air pipe (8) is fixedly connected with the support (2) through the support plate (7), the end of the air pipe (8) far away from the air blower (5) is fixedly connected with the exhaust funnel (10), and the exhaust funnel (10) is arranged on the side surface of the serpentine radiating pipe (11).

3. An improved cooling device of a twin-screw extruder as claimed in claim 1 or 2, characterized in that the bottom of the cold water tank (1) and the water collecting tank (3) is provided with a filter screen.

4. The improved cooling device of the twin-screw extruder as claimed in claim 1 or 2, wherein the bottom of the cold water tank (1) is arranged obliquely downwards along the length direction of the cold water tank (1).

5. An improved cooling device for twin screw extruder as claimed in claim 1 or 2, wherein said serpentine shaped heat pipe (11) is made of copper.

6. An improved twin-screw extruder cooling device as claimed in claim 1 or 2, characterised in that there are not less than 2 sprayers (13).

7. An improved twin-screw extruder cooling device as in claim 2, characterized in that the number of exhaust hoppers (10) is equal to or greater than 2.

8. An improved cooling device for twin-screw extruder as claimed in claim 7, characterized in that the air outlet of the exhaust funnel (10) is provided with a filter screen.