CN210880807U

CN210880807U - Mixing extruder

Info

Publication number: CN210880807U
Application number: CN201920674084.5U
Authority: CN
Inventors: 潘礼德; 王彬
Original assignee: Jinhua Jin Qiu Environmental Protection Water Treatment Co ltd
Current assignee: Jinhua Jin Qiu Environmental Protection Water Treatment Co ltd
Priority date: 2019-05-13
Filing date: 2019-05-13
Publication date: 2020-06-30
Anticipated expiration: 2029-05-13

Abstract

The utility model relates to a mixing extruder, an extruding cylinder including the level setting, be equipped with a pair of intermeshing and syntropy pivoted twin-screw along the axial of a section of thick bamboo in the extruding cylinder, the twin-screw is including the mixing zone that is used for mixing multiple processing raw materials and the mixing zone that is used for fusing multiple raw materials after to in the past, the front end of mixing zone is equipped with the dog-house, be connected with the cross-linking agent jar that drops into the cross-linking agent on the front end of mixing zone, be equipped with the measuring pump that is used for controlling to drop into cross-linking agent flow on the cross-linking agent jar, this mixing extruder is through carrying out the functional segmentation with the twin-screw, make the raw materials that drop into can reach required effect in the functional section of difference, through the intensive mixing of mixing section, the cross-linking agent that adds through mixing section is with the raw materials more abundant adhesion and is required polymer, and improved production efficiency, and can, the precision of the product can be controlled more accurately, and the quality of the product is better.

Description

Mixing extruder

Technical Field

The utility model relates to an ion exchange membrane production facility field especially relates to a mixing extruder.

Background

When producing the ion exchange membrane, the plastic particle raw materials with different components need to be mixed and processed to synthesize the alloy (with uniform internal structure and interpenetrating network structure) required for producing the ion exchange membrane, so a mixing extruder is required, the existing extruder is generally an extruder set which only uses a single screw or double screws, the single screw extruder is used, the mixing capability is poor, repeated mixing needs to be carried out for many times, the production efficiency is seriously influenced, and the product quality is not high. The extruder set using the twin-screw extruder usually has only the efficacy of mixing the raw materials, and has a single function, but often a certain proportion of the graft is required to be added into the raw materials in the production process, and in order to improve the mixing effect and the mixing speed, the function of adding the auxiliary agent is also blended into the twin-screw extruder to achieve the purpose of optimizing the extruder.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the problem to prior art exists provides the mixing extruder of an improvement mixing efficiency and quality.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a mixing extruder, includes the extrusion cylinder that the level set up, be equipped with a pair of intermeshing and syntropy pivoted twin-screw in the extrusion cylinder along the axial of a section of thick bamboo, the twin-screw is including the mixing zone that is used for mixing multiple processing raw materials and the mixing zone that is used for fusing multiple raw materials from the past to the back, the front end in mixing zone is equipped with the dog-house, be connected with the cross-linking agent jar that drops into the cross-linking agent on the front end in mixing zone, be equipped with the measuring pump that is used for controlling to drop into cross-linking agent flow on the cross-linking agent.

Further, the length ratio of the mixing zone to the kneading zone was 1: 2.

Further, the temperature in the mixing zone and the kneading zone is constant, and the temperature is maintained within the reaction temperature range of the crosslinking agent.

Further, the length-diameter ratio of the twin screw is 60: 1.

Further, the metering pump adopts a gear pump.

Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model provides a mixing extruder is through carrying out the function segmentation with the twin-screw, the raw materials that make the input can reach required effect in the function section of difference, through the intensive mixing of mixing district section, the cross-linking agent that adds through mixing district section again will mix the raw materials and graft and obtain required inner structure evenly, the alloy polymer of interpenetrating network column structure is become in the phase boundary, production efficiency has been improved, and the addition of cross-linking agent can be controlled through the measuring pump, make the crosslinked degree between the raw materials improve, the precision of the control product that can be more accurate, the quality of product is better.

Drawings

Fig. 1 is a schematic structural diagram of the mixing extruder of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in FIG. 1, the mixing extruder comprises an extruding cylinder 100 horizontally arranged, a pair of twin screws 200 which are meshed with each other and rotate in the same direction are arranged in the extruding cylinder 100 along the axial direction of the cylinder, the front end of one screw is connected with a motor shaft of a driving motor 300, the twin screws 200 comprise a mixing area 210 for mixing a plurality of processing raw materials and a mixing area 220 for fusing the plurality of raw materials from front to back, a feeding port 400 is arranged at the front end of the mixing area 210, a cross-linking agent tank 500 for feeding a cross-linking agent is connected to the front end of the mixing area 220, a metering pump 600 for controlling the flow of the fed cross-linking agent is arranged on the cross-linking agent tank 500, the metering pump 600 adopts a gear pump and can quantitatively control the added cross-linking agent, a two-section twin screw extruder is adopted to fully mix the raw materials through the mixing area 210, and the fully mixed raw materials are adhered through the added cross-linking, the obtained material has uniform internal structure, the phase boundary forms an interpenetrating network structure, the production efficiency is improved, and the obtained required alloy plastic with excellent comprehensive performance is obtained.

Preferably, the length ratio of the mixing zone 210 to the mixing zone 220 is 1:2, the length-diameter ratio of the twin screw 200 is 60:1, in this embodiment, the diameter of the twin screw is 35mm, the length of the twin screw is 2.1m, wherein 0.7m is the mixing zone, and the next 1.4m is the mixing zone, in this embodiment, the raw materials can be fully mixed in the mixing zone through experiments, the mixed raw materials can be fully adhered through the mixing zone, the internal structure of the material discharged from the extruder is uniform, the phase boundary forms an interpenetrating network structure, the crosslinking degree is high, and the quality of the material is improved.

Preferably, the extrusion cylinder 100 is formed by splicing multiple sections of cylinders, each section of cylinder is provided with a heater, the extruder is externally connected with a PLC controller to control the heating temperature, the mixing and kneading requires a certain melting of the raw materials to be kneaded, the cross-linking agent also requires a reaction temperature in the kneading zone, the temperature is controlled to be constant in order to unify the reaction temperature of the extrusion cylinder 100, and the temperature is maintained within the reaction temperature range of the cross-linking agent, and the temperature is controlled to be 120 ℃ according to the reaction temperature of the commonly used cross-linking agent.

This mixing extruder is through carrying out the function segmentation with the twin-screw, the raw materials that make the input can reach required effect in the function section of difference, intensive mixing through mixing section, the cross-linking agent that adds through mixing section again is the inner structure even with the more abundant adhesion of raw materials, the required alloy plasticity plastics of interpenetrating network column structure is become in the phase boundary, production efficiency has been improved, and the addition of cross-linking agent can be controlled through the measuring pump, make the crosslinked degree between the raw materials improve, the precision of control product that can be more accurate, the quality of product is better.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, the present invention can be modified or improved without departing from the principle of the present invention, and these modifications are all considered to be within the protection scope of the present invention.

Claims

1. The utility model provides a mixing extruder, includes the extrusion cylinder that the level set up, be equipped with a pair of intermeshing and syntropy pivoted twin-screw in the extrusion cylinder along the axial of a section of thick bamboo, the twin-screw is including the mixing zone that is used for mixing multiple processing raw materials and the mixing zone that is used for fusing multiple raw materials from the past to the back, the front end in mixing zone is equipped with the dog-house, be connected with the cross-linking agent jar that drops into the cross-linking agent on the front end in mixing zone, be equipped with the measuring pump that is used for controlling to drop into cross-linking agent flow on the cross-linking agent.

2. A mixing extruder according to claim 1, wherein: the length ratio of the mixing zone to the mixing zone was 1: 2.

3. A mixing extruder according to claim 1, wherein: the temperature in the mixing and kneading zones is constant and is maintained within the reaction temperature range of the crosslinking agent.

4. A mixing extruder according to claim 1, wherein: the length-diameter ratio of the twin screw is 60: 1.

5. A mixing extruder according to claim 1, wherein: the metering pump adopts a gear pump.