CN221456733U - Screw of mixing extruder - Google Patents

Abstract

The utility model relates to the field of extruder devices, in particular to a mixing extruder screw, which comprises a base and a mixing box, wherein a supporting seat is arranged on the right side of the base, a motor seat is arranged on the left side of the top of the base, the mixing box is fixed on the left side of the base and is positioned behind the motor seat, and a discharging door is arranged at the bottom of the rear end of the mixing box; the supporting seat is provided with a material conveying component; the top of the mixing box is provided with a stirring assembly; the mixing box is internally provided with a double-screw mixing assembly. According to the utility model, the material conveying assembly is arranged, so that a convenient and safe material conveying effect is achieved, and the improvement of the working efficiency is facilitated; by arranging the stirring assembly, the materials are effectively prevented from agglomerating; by arranging the double-screw mixing assembly, the materials can be mixed and extruded simultaneously by double screws, and a good mixing effect is achieved.

Description

Screw of mixing extruder

Technical Field

The utility model relates to the field of extruder devices, in particular to a screw of a mixing extruder.

Background

The extruder is needed in the processing production process, wherein one step is to process under the effect of mixing screw rod in the extruder, polyolefin generally refers to ethylene, propylene or higher olefin polymer, use screw rod to carry out mixing for single pole in most of the existing extruders, can lead to the whole mixing effect of raw and other materials not good, the condition that solid and the poor effect of the separation of the amateur solution are easy to resume, and then influence the plasticizing effect of polyolefin, certain adverse effect has been brought to the actual use, therefore, need to improve, chinese patent discloses an extruder screw rod mixing device (grant bulletin number CN 213564250U), the technology of this patent can change the stirring leaf height, adapt to the demand of different material types and feeding conditions, can improve convenience and application scope of device use, but the device is difficult to put into the material from the position of high feed cylinder, work efficiency is low, the device is difficult to handle the material of caking, and single screw rod mixing effect is low in the device. Accordingly, one skilled in the art would be able to provide a mixing extruder screw that addresses the problems set forth in the background section above.

Disclosure of utility model

In order to solve the technical problems, the utility model provides a screw of a mixing extruder, which comprises a base and a mixing box, wherein a supporting seat is arranged on the right side of the base, a motor seat is arranged on the left side of the top of the base, the mixing box is fixed on the left side of the base and is positioned behind the motor seat, and a discharging door is arranged at the bottom of the rear end of the mixing box;

The support seat is provided with a material conveying component for automatically conveying materials;

the top of the mixing box is provided with a stirring assembly for scattering the material in a lump;

The mixing box is internally provided with a double-screw mixing assembly for fully mixing materials.

Preferably: the material conveying assembly comprises a material conveying pipeline, the bottom of the right end of the material conveying pipeline is fixedly connected with the top of the supporting seat, and a feeding hopper is fixedly connected to the top of the right end of the material conveying pipeline.

Preferably: the right side of the material conveying pipeline is fixedly connected with a material conveying motor, and a screw shaft of an auger arranged on the left side of the material conveying motor is rotationally connected with the right end of the material conveying pipeline.

Preferably: the stirring assembly comprises a stirring hopper, the bottom end of the stirring hopper is in through connection with the top of the mixing tank near the front end, and the upper right side of the stirring hopper is in through lap joint with the left end of the conveying pipeline.

Preferably: the stirring hopper is characterized in that a stirring motor is fixedly connected in the middle of the top of the stirring hopper, a stirring shaft arranged at the bottom of the stirring motor penetrates through the top plate of the stirring hopper, an anchor type paddle is fixedly connected at the bottom end of the stirring shaft, and an electromagnetic valve is arranged at the bottom of the stirring hopper.

Preferably: the double-screw mixing assembly comprises a first mixing screw, two ends of the first mixing screw are rotatably connected with bearings arranged at the front end and the rear end of the mixing box and close to the rear side, and a mixing motor is arranged at the tail end of the left end of the first mixing screw penetrating through the mixing box.

Preferably: the bottom of the mixing motor is fixedly connected with a motor base, a driving belt wheel is fixedly connected to one end, close to the mixing motor, of the first mixing screw, the driving belt wheel is in transmission connection with a driven belt wheel fixedly connected to the left end of the second mixing screw through a transmission belt, and two ends of the second mixing screw are in rotary connection with bearings, close to the front side, of the front end and the rear end of the mixing box.

The utility model has the technical effects and advantages that:

According to the utility model, the material is put into the material conveying pipeline from the material feeding hopper by arranging the material conveying component, then the material conveying motor is started, and the rotating auger screw shaft conveys the material at the bottom of the material conveying pipeline into the stirring hopper at the high position, so that the material conveying component has a convenient and safe material conveying effect, and is beneficial to improving the working efficiency;

According to the stirring device, the stirring assembly is arranged, after materials are put into the stirring hopper, the stirring motor is started, and the rotating stirring shaft drives the anchor type slurry to stir and scatter the materials, so that the materials are effectively prevented from agglomerating;

According to the utility model, by arranging the double-screw mixing assembly, after the materials are scattered, the electromagnetic valve is opened, the materials fall into the mixing box from the stirring hopper, the mixing motor is started again, the first mixing screw rotates, and meanwhile, the second mixing screw is driven under the action of belt transmission, so that the materials have a good mixing effect under the simultaneous mixing extrusion of the double screws.

Drawings

Fig. 1 is a schematic perspective view of a screw of a mixing extruder according to an embodiment of the present application;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A, provided by an embodiment of the present application;

FIG. 3 is a cross-sectional view of a kneading extruder screw according to an embodiment of the present application;

FIG. 4 is a cross-sectional view of a mixing assembly and a twin-screw mixing assembly in a mixing extruder screw according to an embodiment of the present application;

Fig. 5 is a cross-sectional view of a feed assembly in a screw of a mixing extruder according to an embodiment of the present application.

In the figure:

1. A base; 11. a support base; 12. a motor base; 2. a material conveying component; 21. a material conveying pipeline; 22. a charging hopper; 23. a material conveying motor; 24. screw shaft of auger; 3. a stirring assembly; 31. a stirring hopper; 32. a stirring motor; 33. a stirring shaft; 34. an anchor paddle; 35. an electromagnetic valve; 4. a mixing box; 41. a discharge door; 42. a bearing; 5. a twin screw mixing assembly; 51. a first kneading screw; 52. a mixing motor; 53. a driving pulley; 54. a transmission belt; 55. a second kneading screw; 56. a driven pulley.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the detailed description. The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Examples

Referring to fig. 1 to 5, in this embodiment, a screw of a mixing extruder is provided, which includes a base 1 and a mixing box 4, wherein a supporting seat 11 is arranged on the right side of the base 1, a motor seat 12 is arranged on the left side of the top of the base 1, the mixing box 4 is fixed on the left side of the base 1 and is located behind the motor seat 12, and a discharging door 41 is arranged at the bottom of the rear end of the mixing box 4; the supporting seat 11 is provided with a material conveying component 2 for automatically conveying materials; the top of the mixing box 4 is provided with a stirring assembly 3 for scattering the materials into a bulk shape; a twin-screw kneading block 5 for sufficiently kneading the materials is provided in the kneading tank 4.

Specifically, the material conveying component 2 comprises a material conveying pipeline 21, the bottom of the right end of the material conveying pipeline 21 is fixedly connected with the top of the supporting seat 11, a material feeding hopper 22 is fixedly connected to the top of the right end of the material conveying pipeline 21, a material conveying motor 23 is fixedly connected to the right side of the material conveying pipeline 21, an auger screw shaft 24 arranged on the left side of the material conveying motor 23 is rotatably connected with the right end of the material conveying pipeline 21, and the auger screw shaft 24 is used for conveying materials at a low position.

The stirring subassembly 3 includes stirring fill 31, stirring fill 31 bottom through connection is in the position that mixing tank 4 top is close to the front end, and stirring fill 31 right side top and conveying pipeline 21 left end through lap joint, the rigid coupling has stirring motor 32 in the middle of the stirring fill 31 top, stirring shaft 33 that stirring motor 32 bottom was equipped with runs through stirring fill 31 roof, and stirring shaft 33 bottom rigid coupling has anchor formula oar 34, stirring fill 31 bottom is equipped with electromagnetic valve 35, stirring subassembly 3 is at the effective material agglomeration that prevents of twin-screw.

The twin-screw mixing assembly 5 comprises a first mixing screw 51, two ends of the first mixing screw 51 are rotatably connected with bearings 42 arranged near the rear sides of the front and rear ends of the mixing box 4, and a mixing motor 52 is arranged on the left side of the first mixing screw 51 penetrating through the mixing box 4; the bottom of the mixing motor 52 is fixedly connected with the motor base 12, one end, close to the mixing motor 52, of the first mixing screw 51 is fixedly connected with a driving belt pulley 53, the driving belt pulley 53 is in transmission connection with a driven belt pulley 56 fixedly connected with the left end of a second mixing screw 55 through a transmission belt 54, two ends of the second mixing screw 55 are in rotary connection with bearings 42 arranged at the front and rear ends, close to the front side, of the mixing box 4, and the double-screw mixing assembly 5 has a good mixing effect.

Working principle:

A material conveying assembly 2; a stirring assembly 3; a twin screw mixing assembly 5;

The material is put into the material conveying pipeline 21 from the material feeding hopper 22, then the material conveying motor 23 is started, the material at the bottom of the material conveying pipeline 21 is conveyed into the stirring hopper 31 at the high position by the rotating auger screw shaft 24, and the material conveying assembly 2 has a convenient and safe material conveying effect, so that the work efficiency is improved;

After the materials are put into the stirring hopper 31, the stirring motor 31 is started, and the rotating stirring shaft 33 drives the anchor type paddles 34 to stir and scatter the materials, so that the materials are effectively prevented from agglomerating;

After the material breaks up, open electromagnetic valve 35, the material drops into mixing box 4 from stirring fill 32 in, and the mixing motor 52 of restarting, first mixing screw 51 rotates, and simultaneously, under the effect of belt drive, second mixing screw 55 is driven, and at this moment, the material mixes under the extrusion in twin-screw simultaneously, plays a good mixing effect.

It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present utility model without the inventive step, are intended to be within the scope of the present utility model. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.

Claims (7)

1. The utility model provides a mixing extruder screw rod, includes frame (1), mixing tank (4), frame (1) right side is equipped with supporting seat (11), and frame (1) top left side is equipped with motor cabinet (12), mixing tank (4) are fixed in frame (1) left side and are located motor cabinet (12) rear, and discharge door (41) have been seted up to mixing tank (4) rear end bottom, its characterized in that:

A material conveying component (2) for automatically conveying materials is arranged on the supporting seat (11);

the top of the mixing box (4) is provided with a stirring component (3) for scattering the bulk materials;

A twin-screw mixing assembly (5) for fully mixing materials is arranged in the mixing box (4).

2. A mixing extruder screw according to claim 1, wherein the material conveying assembly (2) comprises a material conveying pipeline (21), the bottom of the right end of the material conveying pipeline (21) is fixedly connected with the top of the supporting seat (11), and a material feeding hopper (22) is fixedly connected with the top of the right end of the material conveying pipeline (21).

3. A mixing extruder screw according to claim 2, wherein the right side of the material conveying pipeline (21) is fixedly connected with a material conveying motor (23), and a screw auger shaft (24) arranged on the left side of the material conveying motor (23) is rotatably connected with the right end of the material conveying pipeline (21).

4. A mixing extruder screw according to claim 1, wherein the stirring assembly (3) comprises a stirring hopper (31), the bottom end of the stirring hopper (31) is connected with the top of the mixing box (4) in a penetrating way at a position close to the front end, and the upper right side of the stirring hopper (31) is connected with the left end of the conveying pipeline (21) in a penetrating way.

5. The screw of the mixing extruder of claim 4, wherein the stirring motor (32) is fixedly connected in the middle of the top of the stirring hopper (31), a stirring shaft (33) arranged at the bottom of the stirring motor (32) penetrates through the top plate of the stirring hopper (31), an anchor paddle (34) is fixedly connected at the bottom end of the stirring shaft (33), and an electromagnetic valve (35) is arranged at the bottom of the stirring hopper (31).

6. A screw of a mixing extruder according to claim 1, wherein the twin-screw mixing assembly (5) comprises a first mixing screw (51), two ends of the first mixing screw (51) are rotatably connected with bearings (42) arranged near the rear sides of the front and rear ends of the mixing box (4), and a mixing motor (52) is arranged at the tail end of the first mixing screw (51) penetrating through the left side of the mixing box (4).

7. The screw of the mixing extruder according to claim 6, wherein the bottom of the mixing motor (52) is fixedly connected with the motor base (12), a driving belt wheel (53) is fixedly connected to one end of the first mixing screw (51) close to the mixing motor (52), the driving belt wheel (53) is in transmission connection with a driven belt wheel (56) fixedly connected to the left end of the second mixing screw (55) through a transmission belt (54), and two ends of the second mixing screw (55) are rotatably connected with bearings (42) arranged on the front and rear ends of the mixing box (4) close to the front side.