CN216031812U

CN216031812U - Double-screw extruder is used in production of plastics master batch

Info

Publication number: CN216031812U
Application number: CN202122454695.9U
Authority: CN
Inventors: 王继皮
Original assignee: Huizhou Nanxu Technology Co ltd
Current assignee: Huizhou Nanxu Technology Co ltd
Priority date: 2021-10-12
Filing date: 2021-10-12
Publication date: 2022-03-15
Anticipated expiration: 2031-10-12

Abstract

The utility model discloses a double-screw extruder for producing plastic master batches, which comprises a box body, wherein two parallel and symmetrical supporting seats are fixedly installed at the top of the box body, an extrusion box is fixedly connected between one opposite sides of the two supporting seats, a gear box is fixedly connected at the top of the box body, and a first motor is fixedly connected at one side of the gear box. According to the automatic extrusion device, the extrusion screw can extrude input materials, the second motor can drive the cutting knife to rotate inside the decollator through the rotating shaft, the extruded materials are discharged into the inlet and the outlet through the extrusion pipe, so that the cutting knife can cut the extruded materials at a high speed, the decollator can automatically cut the extruded materials, the automatic production of granular materials is facilitated, the structure is simple, the automatic extrusion production of the granular materials can be facilitated, and the production efficiency is improved.

Description

Double-screw extruder is used in production of plastics master batch

Technical Field

The utility model relates to the technical field of plastic master batches, in particular to a double-screw extruder for producing plastic master batches.

Background

The screw extruder depends on the pressure and the shearing force generated by the rotation of the screw, so that materials can be fully plasticized and uniformly mixed and are molded through a neck mold. Plastic extruders can be basically classified into twin-screw extruders, single-screw extruders and, rarely, multi-screw extruders and screw-less extruders;

now relate to a double screw extruder is used in production of plastics master batch, current double screw extrusion device has certain drawback, and current material extrusion device can only produce the material of bar when extruding, need cut the granulation through other device to increase the process of production, influence the efficiency of production, have certain inconvenience.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a double-screw extruder for producing plastic master batches.

In order to achieve the purpose, the utility model adopts the following technical scheme: the double-screw extruder for producing the plastic master batches comprises a box body, wherein two supporting seats which are parallel and symmetrical to each other are fixedly mounted at the top of the box body, an extrusion box is fixedly connected between one opposite sides of the two supporting seats, a gear box is fixedly connected at the top of the box body, a first motor is fixedly connected to one side of the gear box, a divider is arranged in the box body, and a connecting rod is fixedly connected between the divider and the box body.

Further, the divider comprises an upper cover and a lower cover, the upper cover and the lower cover are fixedly connected to form a dividing cavity, and an inlet, an outlet and a through hole are jointly formed in the outer surface between the lower cover and the upper cover.

Furthermore, a second motor is fixedly connected inside the box body, a rotating shaft is fixedly connected to an output shaft of the second motor, penetrates through the through hole and is connected with the box body in a rotating mode, and a cutting knife is fixedly connected to the outer surface of the rotating shaft and is located inside the cutting cavity.

Further, the position of extruding top of the case portion one end is provided with the feeder hopper, the position of extruding bottom of the case portion one end is provided with the extrusion pipe, the extrusion pipe runs through the one end of box extends to the inside of importing and exporting, the inside of extruding the case is provided with two extrusion screw rods that intermeshing connects.

Furthermore, the output shaft of first motor runs through the one end fixedly connected with driving gear of gear box, the inside of gear box be provided with two driven gears of mutual symmetry with the driving gear meshing is connected, driven gear's surface central point put fixedly connected with driven shaft with gear box through connection, two the driven shaft with two all be connected with the shaft coupling jointly between the extrusion screw.

Furthermore, the inside of box just is located be provided with out the hopper under importing and exporting, the export pipeline of play hopper with the box through connection.

The utility model has the beneficial effects that:

when the double-screw extrusion device is used, the double screws are used for producing plastic master batches, the extrusion screws can extrude input materials, the second motor can drive the cutting knife to rotate inside the divider through the rotating shaft, the extruded materials are discharged into the inlet and the outlet through the extrusion pipe, so that the cutting knife can cut the extruded materials at high speed, the divider can automatically cut the extruded materials, the granular materials can be automatically produced, the structure is simple, the granular materials can be automatically extruded and produced, and the production efficiency is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the internal structure of the divider of the present invention;

FIG. 3 is a schematic view of the internal structure of the gear box of the present invention.

Illustration of the drawings:

1. a box body; 101. a discharge hopper; 2. a gear case; 201. a driven shaft; 202. a driven gear; 203. a driving gear; 3. a supporting seat; 4. an extrusion box; 401. a feed hopper; 402. extruding a pipe; 403. extruding a screw; 5. a first motor; 6. a coupling; 7. A divider; 701. an upper cover; 702. a lower cover; 703. dividing the cavity; 704. an inlet and an outlet; 705. perforating; 8. a second motor; 801. A rotating shaft; 802. a cutting knife; 9. a connecting rod.

Detailed Description

Fig. 1 to 3 show, relate to a double screw extruder is used in production of plastics master batch, including box 1, the top fixed mounting of box 1 has two supporting seats 3 of symmetry that are parallel to each other, and common fixedly connected with extrudes case 4 between the relative one side of two supporting seats 3, the top fixedly connected with gear box 2 of box 1, the first motor 5 of one side fixedly connected with of gear box 2, the inside of box 1 is provided with decollator 7, common fixedly connected with connecting rod 9 between decollator 7 and the box 1.

When the double-screw extruder for producing plastic master batches is used, firstly, materials are input into the extrusion box 4 through the feed hopper 401, then the first motor 5 is opened, the first motor 5 can drive the driving gear 203 to rotate, the driving gear 203 can drive the two driven gears 202 to rotate, the driven gears 202 can drive the driven shafts 201 to rotate, the two driven shafts 201 can respectively drive the two extrusion screws 403 to rotate mutually through the coupler 6, so that the materials in the extrusion box 4 can be extruded, the extruded materials are extruded through the extrusion pipe 402, then the second motor 8 is opened, the second motor 8 can drive the rotating shaft 801 to rotate, the rotating shaft 801 can drive the cutting knife 802 to rotate, the cutting knife 802 can continuously cut the materials output by the extrusion pipe 402, so that the materials are automatically cut into granules, the structure is simple, and the automatic extrusion production of the granular materials can be facilitated, the production efficiency is improved, and certain practicability is achieved.

In a further scheme, the divider 7 comprises an upper cover 701 and a lower cover 702, the upper cover 701 and the lower cover 702 are fixedly connected to form a dividing cavity 703, and an inlet/outlet 704 and a through hole 705 are formed on the outer surface between the lower cover 702 and the upper cover 701, so that particles can be conveniently produced.

In the further scheme, the inside fixedly connected with second motor 8 of box 1, the output shaft fixedly connected with rotation axis 801 of second motor 8 runs through perforation 705 and is connected with box 1 rotation, and the outer surface fixedly connected with cutting knife 802 of rotation axis 801 is located the inside of cutting apart chamber 703, and second motor 8 can drive cutting knife 802 through rotation axis 801 and carry out rotary cutting to can the automatic production granule.

In a further scheme, a feed hopper 401 is arranged at one end of the top of the extrusion box 4, an extrusion pipe 402 is arranged at one end of the bottom of the extrusion box 4, the extrusion pipe 402 penetrates through one end of the box body 1 and extends into the inlet and outlet 704, and two extrusion screws 403 which are mutually meshed and connected are arranged in the extrusion box 4, so that materials can conveniently enter and exit.

In a further scheme, an output shaft of the first motor 5 penetrates through one end of the gear box 2 and is fixedly connected with a driving gear 203, two symmetrical driven gears 202 are arranged inside the gear box 2 and are meshed with the driving gear 203, a driven shaft 201 and the gear box 2 are fixedly connected to the center of the outer surface of the driven gear 202 in a penetrating mode, two driven shafts 201 and two extrusion screws 403 are connected with a coupler 6 together, and the driving device can be driven to extrude automatically.

In a further scheme, the discharging hopper 101 is arranged in the box body 1 and is positioned under the inlet and the outlet 704, and an outlet pipeline of the discharging hopper 101 is in through connection with the box body 1, so that produced particles can be automatically output conveniently.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a double screw extruder is used in production of plastics master batch, includes box (1), its characterized in that: the novel extrusion device is characterized in that two supporting seats (3) which are parallel and symmetrical to each other are fixedly mounted at the top of the box body (1), an extrusion box (4) is fixedly connected between one opposite sides of the two supporting seats (3) together, a gear box (2) is fixedly connected to the top of the box body (1), a first motor (5) is fixedly connected to one side of the gear box (2), a divider (7) is arranged in the box body (1), and a connecting rod (9) is fixedly connected between the divider (7) and the box body (1) together.

2. The double-screw extruder for producing the plastic masterbatch of claim 1 is characterized in that: the divider (7) comprises an upper cover (701) and a lower cover (702), the upper cover (701) and the lower cover (702) are fixedly connected to form a dividing cavity (703), and an inlet, an outlet (704) and a through hole (705) are formed in the outer surface between the lower cover (702) and the upper cover (701) together.

3. The double-screw extruder for producing the plastic masterbatch of claim 2 is characterized in that: the inner part of the box body (1) is fixedly connected with a second motor (8), an output shaft of the second motor (8) is fixedly connected with a rotating shaft (801) which penetrates through the through hole (705) and is rotatably connected with the box body (1), and a cutting knife (802) is fixedly connected to the outer surface of the rotating shaft (801) and is positioned in the dividing cavity (703).

4. The double-screw extruder for producing the plastic masterbatch of claim 2 is characterized in that: the position of extrusion case (4) top one end is provided with feeder hopper (401), the position of extrusion case (4) bottom one end is provided with extrusion pipe (402), extrusion pipe (402) run through the one end of box (1) extends to the inside of import and export (704), the inside of extrusion case (4) is provided with two extrusion screw rods (403) that intermeshing connects.

5. The twin-screw extruder is used in production of plastic master batch of claim 4, characterized in that: the output shaft of first motor (5) runs through the one end fixedly connected with driving gear (203) of gear box (2), the inside of gear box (2) be provided with two driven gear (202) of mutual symmetry with driving gear (203) meshing is connected, the surface central point of driven gear (202) put fixedly connected with driven shaft (201) with gear box (2) through connection, two driven shaft (201) and two all be connected with shaft coupling (6) jointly between extrusion screw (403).

6. The double-screw extruder for producing the plastic masterbatch of claim 2 is characterized in that: the box is characterized in that a discharge hopper (101) is arranged in the box (1) and is positioned under the inlet and the outlet (704), and an outlet pipeline of the discharge hopper (101) is in through connection with the box (1).