CN209903890U

CN209903890U - Extruder heat preservation device

Info

Publication number: CN209903890U
Application number: CN201920531732.1U
Authority: CN
Inventors: 詹善仁
Original assignee: Foshan Ronglinda Plastic Technology Co Ltd
Current assignee: Foshan Ronglinda Plastic Technology Co Ltd
Priority date: 2019-04-18
Filing date: 2019-04-18
Publication date: 2020-01-07
Anticipated expiration: 2029-04-18

Abstract

The utility model provides an extruder heat preservation device, which belongs to the field of extruders and comprises a shell, a temperature controller and a heating device, wherein the outer surface of the shell is covered with heat preservation paint, the shell wraps a material cylinder of the extruder, the heating device is fixed on the outer wall of the material cylinder and heats the material cylinder, the temperature controller is electrically connected with and controls the heating device, the temperature controller comprises a temperature detection device and a processor, the heating device comprises an electric heater and a junction box, the electric heater consists of a plurality of groups of heating wires with different lengths and is connected in the junction box, the temperature detection device is connected at the junction box, the junction box is electrically connected with the processor, the extruder heat preservation device has simple structure, good heat preservation effect and avoids scalding caused by accidental touch, simultaneously can reduce the heat release in a workshop and reduce the working temperature in the workshop, meanwhile, the corresponding part is heated according to the temperature condition of the charging barrel, so that the heating energy consumption is saved, and the product quality is improved.

Description

Extruder heat preservation device

Technical Field

The utility model belongs to the extruder field especially relates to an extruder heat preservation device.

Background

The existing extruder can fully plasticize and uniformly mix materials by means of pressure and shearing force generated by screw rotation, is molded by a neck mold, and is widely applied to the blending modification of filling, reinforcing, toughening and the like of high polymer materials such as general plastics, engineering plastics, thermoplastic rubber and the like, and the processing fields of special fibers, special adhesives and the like. Screw extruder need carry out the external heating to the feed cylinder, carry out heat treatment with the material in the realization to the feed cylinder, plastics temperature in the feed cylinder need be controlled in suitable temperature range in order to reach the temperature of melting, because the length difference of feed cylinder and indoor temperature's change, the heat of feed cylinder is lost in the air is exposed to the feed cylinder outside, influence material conveying speed and finished product quality, cause the heating calorific loss, common simple and easy heat preservation cotton packing is not good on the feed cylinder heat preservation effect, unexpected touching leads to staff's health injury in the production work, therefore, the production cost is big, the security is low, influence product quality.

SUMMERY OF THE UTILITY MODEL

The problem exists based on the prior art, the utility model provides an extruder heat preservation device, including shell, temperature controller and heating device, the surface of shell covers there is insulation coating, and the shell wraps up including the feed cylinder of extruder, heating device fixes on the outer wall of feed cylinder, the temperature controller passes through electric connection and control heating device, the temperature controller include temperature-detecting device, treater, heating device include electric heater and terminal box, electric heater comprises the heater of a plurality of different length of group and connects in the terminal box, temperature-detecting device connects in terminal box department, terminal box and treater electric connection.

The shell is divided into a movable shell and a fixed shell, the fixed shell is installed at the bottom of the charging barrel, the movable shell is connected with the fixed shell through a hinge, and the shell can be directly opened to inspect when the charging barrel needs to be overhauled and maintained.

Wherein, the movable shell on have the handle, the handle avoids touching the waste heat of shell outer wall when pulling open the movable shell, conveniently opens the shell simultaneously.

The device comprises a barrel, a processor, a temperature detection device, a first thermometer, a second thermometer, a first temperature sensor, a second temperature sensor and a temperature controller, wherein the two temperature detection devices are two and are respectively a first thermometer and a second thermometer, the first thermometer and the second thermometer are respectively fixed on the outer wall of the barrel, the first thermometer is arranged at a discharge port of the barrel, the other one is arranged on one side.

Wherein, two are no less than to electric heater's heater, and one of them heater covers on the surface of whole feed cylinder, and other heater covers in the different length scope of feed cylinder, and the surface that the heater group covered the feed cylinder can heat preservation to whole feed cylinder, and other heater groups can satisfy the effect that the segmentation was heated and only heat discharge gate one side of feed cylinder, reduce the electric quantity that generates heat, improve heat preservation efficiency, guarantee product quality.

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

1. directly reduce the heat exchange between feed cylinder and the atmosphere through heat preservation coating, have simple structure, it is effectual and avoid unexpected touching to lead to scalding to keep warm, reducible heat release to workshop inside simultaneously reduces operating temperature in the workshop, makes workshop operational environment more comfortable.

2. The corresponding parts can be heated according to the temperature condition of the charging barrel through the thermometer and the multiple groups of heating wires, so that the heating energy consumption is saved, the discharging quality of the charging barrel is ensured, and the product quality is improved.

Drawings

FIG. 1 is a cross-sectional view of an extruder warming apparatus.

FIG. 2 is a schematic structural diagram of an extruder insulation device.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

In the description of the present invention, it is to be understood that the terms "lateral," "length," "width," "thickness," "upper," "lower," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientation or positional relationship shown in the drawings, which are for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The extruder heat preservation device shown in the attached drawings 1-2 comprises a shell 1, a temperature controller and a heating device, wherein the outer surface of the shell 1 is covered with a heat preservation coating 1a, the shell 1 wraps a charging barrel 4 of the extruder, the heating device is fixed on the outer wall of the charging barrel 4, the temperature controller is electrically connected with and controls the heating device, the temperature controller comprises a temperature detection device 21 and a processor 22, the heating device comprises an electric heater 31 and a junction box 32, the electric heater 31 is composed of a plurality of groups of heating wires 5 with different lengths and is connected in the junction box 32, the temperature detection device 21 is connected at the junction box 32, and the junction box 32 is electrically connected with the processor 22.

Preferably, the housing 1 is divided into a movable shell 11 and a fixed shell 12, the fixed shell 12 is installed at the bottom of the charging barrel 4, and the movable shell 11 is connected with the fixed shell 12 through a hinge.

Preferably, the movable shell 11 is provided with a handle 13.

Preferably, the number of the temperature detecting devices 21 is two, and the first thermometer 211 and the second thermometer 212 are respectively provided, the first thermometer 211 and the second thermometer 212 are respectively fixed on the outer wall of the cylinder 4 and are arranged at the discharge port of the cylinder 4, the second thermometer 212 is arranged at one side of the cylinder 4 close to the extruder, and the two temperature detecting devices 21 provide sufficient information parameters for the processor 22 to judge the position and the requirement of the cylinder 4 needing to be heated.

Preferably, the number of the heating wires 5 of the electric heater 31 is three, and the heating wires are divided into a first heating wire 51, a second heating wire 52 and a third heating wire 53, wherein the first heating wire 51 covers the surface of the whole material barrel 4, the second heating wire 52 covers the length range from the discharge port of the material barrel 4 to two thirds of the other end of the material barrel 4, the third heating wire 53 covers the length range from the discharge port of the material barrel 4 to one third of the other end of the material barrel 4, and the surface of the material barrel 4 covered by the group of heating wires 5 can heat and preserve the temperature of the whole material.

Based on the above preferred embodiment, the first thermometer 211 and the second thermometer 212 of the temperature detection device 21 detect the temperature data of the material cylinder 4 and transmit the data to the processor 22, and when the temperature of the second thermometer 212 is lower than the set temperature of the discharged material, the first heating wire 51 of the electric heater 31 is directly started to heat the whole material cylinder 4; when the temperature of the second thermometer 212 reaches the set temperature, but the first thermometer 211 does not reach the set temperature and the temperature difference between the two thermometers is not higher than the set temperature difference, the processor 22 starts the third heating wire 53 to heat up one third of the length of the discharge hole of the charging barrel 4; when the temperature difference between the first thermometer 211 and the second thermometer 212 reaches a set value, the processor 22 will activate the second heating wire 52 of the electric heater 31; processor 22 automatically stops the temperature increase once the heating temperature reaches a predetermined value. When the whole temperature controller needs to be overhauled, the movable shell 11 of the shell 1 is directly opened through the handle 13 to overhaul the temperature controller inside.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The extruder heat preservation device comprises a shell (1), a temperature controller and a heating device, and is characterized in that the outer surface of the shell (1) is covered with a heat preservation coating (1 a), the shell (1) wraps a charging barrel (4) of an extruder, the heating device is fixed on the outer wall of the charging barrel (4) and heats the charging barrel (4), the temperature controller is electrically connected with and controls the heating device, the temperature controller comprises a temperature detection device (21) and a processor (22), the temperature detection device (21) is installed on the outer wall of the charging barrel (4) and detects the temperature of the charging barrel (4), and the temperature detection device (21) is connected to a junction box (32); heating device include electric heater (31) and terminal box (32), electric heater (31) constitute and connect in terminal box (32) by a plurality of groups of heater (5) of different length, heater (5) of different length are around forming heater (5) different heating sections of intensive degree on feed cylinder (4), and is more intensive near the discharge gate, and terminal box (32) and treater (22) electric connection, treater (22) pass through terminal box (32) and electric heater (31), temperature-detecting device (21) communication connection.

2. The extruder warming device according to claim 1, wherein the housing (1) is divided into a movable shell (11) and a fixed shell (12), the fixed shell (12) is installed at the bottom of the charging barrel (4), and the movable shell (11) is connected with the fixed shell (12) through a hinge.

3. The extruder warming device according to claim 2, wherein said movable housing (11) has a handle (13).

4. The extruder temperature keeping device according to claim 1, wherein the number of the temperature detection devices (21) is two, and the temperature detection devices are respectively a first thermometer (211) and a second thermometer (212), and the first thermometer (211) and the second thermometer (212) are respectively fixed at two ends of the outer wall of the barrel.

5. The extruder warming device according to claim 1, wherein the number of the heating wires (5) of the electric heater (31) is not less than two, and the heating wires are covered on the surface of the barrel (4).