CN217021389U

CN217021389U - Temperature control device of extruder charging barrel

Info

Publication number: CN217021389U
Application number: CN202220365623.9U
Authority: CN
Inventors: 黄意
Original assignee: Dongguan Dinglong Electric Machinery Co ltd
Current assignee: Dongguan Dinglong Electric Machinery Co ltd
Priority date: 2022-02-19
Filing date: 2022-02-19
Publication date: 2022-07-22
Anticipated expiration: 2032-02-19

Abstract

The utility model discloses a temperature control device of a charging barrel of an extruder, which relates to the technical field of plastic production equipment and aims at solving the problems that the conventional charging barrel of the extruder is generally directly contacted with air, so that heat is quickly dissipated, the temperature change of each part of the charging barrel is obvious, and the actual use requirement cannot be met; the inside of the liquid storage tank is divided into a hot water chamber and a cold water chamber by a partition plate, the side walls of two ends of the liquid storage tank are respectively provided with a three-way pipe, and two ends of the three-way pipe are respectively communicated with the hot water chamber and the cold water chamber of the liquid storage tank. The temperature control device is novel in structure, realizes temperature control on the circumference of the charging barrel, slows down heat dissipation, is beneficial to improving the discharging quality of the charging barrel, and is suitable for popularization.

Description

Temperature control device of extruder charging barrel

Technical Field

The utility model relates to the technical field of plastic production equipment, in particular to a temperature control device of a charging barrel of an extruder.

Background

The barrel of the extruder is generally a metal cylinder which, in cooperation with a screw, effects the comminution, softening, melting, plasticization, degassing and compaction of the plastic and the continuous and uniform delivery of the compound to the molding system. The plastic extruder is required to adjust and maintain the temperature of the barrel when producing and processing materials which are sensitive to temperature. The existing extruder charging barrel is generally directly contacted with air, so that heat is quickly dissipated, the temperature change of each part of the charging barrel is obvious, and the actual use requirement cannot be met. Therefore, in order to solve such problems, we propose a temperature control device for a barrel of an extruder.

SUMMERY OF THE UTILITY MODEL

The temperature control device for the extruder charging barrel provided by the utility model solves the problems that the existing extruder charging barrel is generally directly contacted with air, so that heat dissipation is fast, the temperature change of each part of the charging barrel is obvious, and the actual use requirement cannot be met.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a temperature control device of a charging barrel of an extruder comprises a charging barrel body and a liquid storage tank, wherein a sleeve is fixedly sleeved on the circumferential side wall of the charging barrel body, a liquid storage cavity is formed by the sleeve and the circumferential side wall of the charging barrel body, and a heat insulation plate is fixedly sleeved on the circumferential side wall of the sleeve; the inside of the liquid storage tank is divided into a hot water chamber and a cold water chamber by a partition plate, three-way pipes are arranged on the side walls of two ends of the liquid storage tank, two ends of each three-way pipe are respectively communicated with the hot water chamber and the cold water chamber of the liquid storage tank, control valves are arranged on the pipe bodies of two ends of the two three-way pipes communicated with the liquid storage tank, one ends of the two three-way pipes far away from the liquid storage tank are respectively communicated with two ends of a sleeve, a circulating pump is arranged between one three-way pipe and the sleeve, and temperature sensors are arranged at one ends of the two three-way pipes close to the sleeve; the inside of hot water chamber installs electric heating pipe, just the inside of hot water chamber is provided with homogenizes the subassembly.

Preferably, the inner wall of the circumference of the sleeve is provided with a spiral guide vane, and the spiral guide vane divides the liquid storage cavity into spiral cavity channels.

Preferably, two baffles are arranged, and a vacuum cavity is arranged between the two baffles.

Preferably, the temperature sensor is of type QAD 26.

Preferably, stir the subassembly evenly and include (mixing) shaft, impeller and motor, it is provided with the (mixing) shaft to rotate on the both ends lateral wall of hot-water chamber, just fixed cover has connect the impeller on the (mixing) shaft, fixed mounting has the motor on the lateral wall of liquid reserve tank, just the output shaft of motor runs through the lateral wall of liquid reserve tank and links to each other with the (mixing) shaft is coaxial.

Preferably, the impeller is provided in plurality and distributed in a linear array.

The utility model has the beneficial effects that:

1. through the setting of sleeve and heated board, the sleeve forms the stock solution chamber with the circumference lateral wall of feed cylinder body, and it has heat-conducting liquid to fill at the stock solution intracavity, is provided with the spiral guide vane on telescopic circumference inner wall, and the spiral guide vane separates the heliciform chamber with the stock solution chamber and says, and fixed cover is equipped with the heated board on telescopic circumference lateral wall for slow down the heat and give off.

2. Through the arrangement of the liquid storage tank, the three-way pipe, the control valve, the circulating pump, the temperature sensor, the electric heating pipe and the homogenizing assembly, the control valve, the circulating pump, the temperature sensor, the electric heating pipe and the motor are all electrically connected with a control system of the extruder, the electric heating pipe is started to heat the heat conducting liquid, the control valve corresponding to the hot water chamber or the cold water chamber is opened and closed according to actual requirements, the circulating pump is started to conduct circulating flow on the heat conducting liquid, so that the temperature control of the circumference of the charging barrel is realized, and the temperature sensor is used for monitoring the temperature of the heat conducting liquid at two ends of the liquid storage cavity; to the hot-water chamber, the starter motor, the motor drive the (mixing) shaft and rotate, and then drive a plurality of impellers and rotate, stir the heat conduction liquid in the hot-water chamber, make electric heating pipe's heating effect more even.

In conclusion, the utility model realizes the temperature control of the circumference of the charging barrel, slows down the heat dissipation, is beneficial to improving the discharging quality of the charging barrel, solves the problems that the heat dissipation is faster, the temperature change of each part of the charging barrel is obvious and the actual use requirement cannot be met because the charging barrel of the existing extruder is generally directly contacted with air, and is suitable for popularization.

Drawings

FIG. 1 is a schematic diagram of a first perspective view of the present invention;

FIG. 2 is a schematic diagram of a second perspective view of the present invention;

FIG. 3 is a cross-sectional view of the sleeve and insulation board of the present invention;

figure 4 is a cross-sectional view of a tank of the present invention.

The reference numbers in the figures: 1. a cartridge body; 2. a liquid storage tank; 3. a sleeve; 4. a thermal insulation board; 5. a partition plate; 6. a hot water chamber; 7. a cold water chamber; 8. a three-way pipe; 9. a control valve; 10. a circulation pump; 11. a temperature sensor; 12. an electric heating tube; 13. a spiral guide vane; 14. a stirring shaft; 15. an impeller; 16. an electric motor.

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.

Referring to fig. 1 and 2, a temperature control device of extruder feed cylinder, including feed cylinder body 1 and liquid reserve tank 2, fixed cover is equipped with sleeve 3 on the circumference lateral wall of feed cylinder body 1, and sleeve 3 forms the liquid reserve chamber with the circumference lateral wall of feed cylinder body 1, is provided with spiral guide 13 on the circumference inner wall of sleeve 3, and spiral guide 13 separates the heliciform chamber way with the liquid reserve chamber, and fixed cover is equipped with heated board 4 on the circumference lateral wall of sleeve 3 for slow down heat and give off.

Referring to fig. 1, 2 and 4, the interior of the liquid storage tank 2 is divided into a hot water chamber 6 and a cold water chamber 7 by a partition plate 5, heat-conducting liquid is filled in the liquid storage chamber, the hot water chamber 6 and the cold water chamber 7, two partition plates 5 are provided, a vacuum chamber is provided between the two partition plates 5 for reducing heat exchange between the hot water chamber 6 and the cold water chamber 7, an electric heating pipe 12 is provided in the hot water chamber 6 for heating the heat-conducting liquid, three-way pipes 8 are provided on the side walls of the two ends of the liquid storage tank 2, the two ends of the three-way pipes 8 are respectively communicated with the hot water chamber 6 and the cold water chamber 7 of the liquid storage tank 2, control valves 9 are provided on the two ends of the two three-way pipes 8 communicated with the liquid storage tank 2, the two ends of the two three-way pipes 8 far away from the liquid storage tank 2 are respectively communicated with the two ends of the sleeve 3, a circulating pump 10 is provided between one of the three-way pipes 8 and the sleeve 3, the three-way pipe is used for driving the heat-conducting liquid to circulate, the temperature sensors 11 are arranged at one ends, close to the sleeve 3, of the two three-way pipes 8, the type of each temperature sensor 11 is QAD26, and the temperature of the heat-conducting liquid at the two ends of the sleeve 3 is monitored.

Referring to fig. 1 and 4, the inside at hot water chamber 6 is provided with the subassembly that homogenizes, the subassembly that homogenizes includes (mixing) shaft 14, impeller 15 and motor 16, it is provided with (mixing) shaft 14 to rotate on the both ends lateral wall of hot water chamber 6, it has a plurality of impeller 15 that are linear array distribution to fix the cover on (mixing) shaft 14, fixed mounting has motor 16 on the lateral wall of liquid reserve tank 2, motor 16's output shaft runs through the lateral wall of liquid reserve tank 2 and links to each other with (mixing) shaft 14 is coaxial, starter motor 16, motor 16 drives (mixing) shaft 14 and rotates, and then drives a plurality of impeller 15 and rotate, stir the heat-conducting liquid in the hot water chamber 6, make the heating effect of electric heating pipe 12 more even.

The working principle is as follows: when the extruder is used, the control valve 9, the circulating pump 10, the temperature sensor 11, the electric heating pipe 12 and the motor 16 are electrically connected with a control system of the extruder, the electric heating pipe 12 is started to heat the heat-conducting liquid, the control valve 9 corresponding to the hot water chamber 6 or the cold water chamber 7 is opened and closed according to actual requirements, the circulating pump 10 is started to circularly guide the heat-conducting liquid, so that the temperature control of the circumference of the charging barrel is realized, and the temperature sensor 11 is used for monitoring the temperature of the heat-conducting liquid at two ends of the liquid storage cavity; aiming at the interior of the hot water chamber 6, the motor 16 is started, the motor 16 drives the stirring shaft 14 to rotate, and then the impellers 15 are driven to rotate, heat conducting liquid in the hot water chamber 6 is stirred, and the heating effect of the electric heating pipe 12 is more uniform.

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 person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The temperature control device of the extruder charging barrel comprises a charging barrel body (1) and a liquid storage tank (2), and is characterized in that a sleeve (3) is fixedly sleeved on the circumferential side wall of the charging barrel body (1), a liquid storage cavity is formed by the sleeve (3) and the circumferential side wall of the charging barrel body (1), and a heat insulation plate (4) is fixedly sleeved on the circumferential side wall of the sleeve (3); the inside of the liquid storage tank (2) is divided into a hot water chamber (6) and a cold water chamber (7) through a partition plate (5), the side walls of two ends of the liquid storage tank (2) are respectively provided with a three-way pipe (8), two ends of the three-way pipe (8) are respectively communicated with the hot water chamber (6) and the cold water chamber (7) of the liquid storage tank (2), the two ends of the two three-way pipes (8) communicated with the liquid storage tank (2) are respectively provided with a control valve (9), one ends of the two three-way pipes (8) far away from the liquid storage tank (2) are respectively communicated with two ends of the sleeve (3), a circulating pump (10) is arranged between one of the three-way pipes (8) and the sleeve (3), and one ends of the two three-way pipes (8) close to the sleeve (3) are respectively provided with a temperature sensor (11); the electric heating pipe (12) is installed in the hot water chamber (6), and the stirring component is arranged in the hot water chamber (6).

2. The temperature control device of an extruder barrel according to claim 1, characterized in that a spiral guide vane (13) is arranged on the inner circumferential wall of the sleeve (3), and the spiral guide vane (13) divides the liquid storage cavity into spiral cavities.

3. A temperature control device of an extruder barrel according to claim 1, characterized in that two partitions (5) are provided, and a vacuum chamber is provided between the two partitions (5).

4. A temperature control device of an extruder barrel according to claim 1, wherein the temperature sensor (11) is of the type QAD 26.

5. The temperature control device of an extruder barrel according to claim 1, wherein the homogenizing assembly comprises a stirring shaft (14), an impeller (15) and a motor (16), the stirring shaft (14) is rotatably arranged on the side walls of two ends of the hot water chamber (6), the impeller (15) is fixedly sleeved on the stirring shaft (14), the motor (16) is fixedly arranged on the side wall of the liquid storage tank (2), and an output shaft of the motor (16) penetrates through the side wall of the liquid storage tank (2) and is coaxially connected with the stirring shaft (14).

6. A temperature control device of an extruder barrel according to claim 5, wherein the impeller (15) is provided in plurality and arranged in a linear array.