CN217169668U

CN217169668U - Double-screw feeding device of extruder

Info

Publication number: CN217169668U
Application number: CN202220988058.1U
Authority: CN
Inventors: 国家辉; 赵杨; 李洪哲; 王亮
Original assignee: Harbin Hapro Electric Technology Co ltd
Current assignee: Harbin Hapro Electric Technology Co ltd
Priority date: 2022-04-27
Filing date: 2022-04-27
Publication date: 2022-08-12
Anticipated expiration: 2032-04-27

Abstract

The utility model relates to a double screw feeding device of extruder, this product composition includes the screw rod front stall, lower feed bin, the stirring leaf, the storage silo, (mixing) shaft feed bin end cover, TC skeleton seal circle, the stirring axle tooth, (mixing) shaft front end cover, the cang gai, the box front end cover, the gear box, the dustcoat, (mixing) shaft rear end cap, the main shaft tooth, the reduction gear, servo motor, the bottom plate, the feed upper bracket, the feed upper prop, friction joint, the feed lower prop, the screw rod back seat, the screw rod front end cover, the main shaft end cover, the front shaft tooth, the rear shaft tooth, the axle sleeve, the axle pad. The utility model discloses simple structure, can make in the powdery material evenly carries to the extruder, production is stable, conveying efficiency is high.

Description

Double-screw feeding device of extruder

Technical Field

The utility model relates to a chemical machinery field, more specifically the double screw feeding device of extruder that says so.

Background

A double-screw feeding device belongs to one of feeding machines. In the production process of plastic processing, the materials are always stably conveyed to an extruder in batches or continuously, and the extruder is required to extrude the materials stably in some production processes, so that the feeding is required to be stable. Therefore, the double-screw feeder is simple in structure, capable of uniformly conveying powdery materials to the extruder, stable in production, high in conveying efficiency and capable of avoiding powder accumulation. And when no feeding is needed, the feeder can be quickly separated from the extruder.

Disclosure of Invention

The utility model aims at providing a double screw feeding device of extruder to solve the problem in the above-mentioned background. The utility model provides a following technical scheme: a double-screw feeding device of an extruder comprises a feeding machine body and is characterized in that the feeding machine body comprises a feeding lower support, a feeding lower support is fixed on the feeding lower support, a friction joint and a feeding upper support are fixed on the feeding lower support, a feeding upper support is fixed on the feeding upper support, a bottom plate is fixed on the feeding upper support, a lower storage bin and a gear box are fixed on the bottom plate, a screw front seat, a screw rear seat and a storage bin are fixed on the lower storage bin, a bin cover is fixed on the storage bin, a gear box is fixed on the screw rear seat, main shaft teeth are fixed inside the gear box, the main shaft teeth are fixed on a speed reducer through a main shaft end cover, a servo motor is fixed on the speed reducer, the front shaft teeth and the rear shaft teeth are fixed on the gear box through a screw front end cover, the front shaft teeth and the rear shaft teeth are connected with the screw through shaft sleeves, shaft pads and screws respectively, the stirring shaft teeth are fixed on the gear box through a box body front end cover and a stirring shaft front end cover, stirring blades are fixed on the stirring shaft teeth, the stirring shaft teeth are fixed on the outer cover through a stirring shaft blade bin end cover and a TC framework sealing ring, and the stirring shaft teeth are fixed on the gear box through a stirring shaft rear end cover.

Preferably, the feeding bracket consisting of the feeding upper support column, the friction joint and the feeding lower support column can freely rotate for 360 degrees through the friction joint.

Preferably, the stirring blade is fixed in the blanking bin and rotates along with the operation of the servo motor.

Preferably, the storage bin is placed on the lower storage bin, and the storage bins with different volumes can be freely detached and replaced.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the device is convenient to disassemble and can be installed on different extruders.

2. In the feeding process, the stirring blades rotate ceaselessly to prevent the materials from bridging.

3. The screw rod is convenient to detach, and when the feeding machine is clamped or cleaned and the screw rods with different structures are replaced, the screw rod can be rapidly detached.

4. The feeding device is provided with a servo motor, the speed regulation range is wide, and the feeding is stable.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a top view of the present invention.

FIG. 3 is a schematic view of a stirring blade.

Fig. 4 is a schematic view of the screw of the present invention.

Wherein: 1-screw front seat, 2-lower bin, 3-stirring blade, 4-storage bin, 5-stirring shaft bin end cover, 6-TC framework sealing ring, 7-stirring shaft tooth, 8-stirring shaft front end cover, 9-bin cover, 10-bin front end cover, 11-gear box, 12-housing, 13-stirring shaft rear end cover, 14-main shaft tooth, 15-reducer, 16-servo motor, 17-bottom plate, 18-feeding upper support, 19-feeding upper support, 20-friction joint, 21-feeding lower support, 22-feeding lower support, 23-screw, 24-screw rear seat, 25-screw front end cover, 26-main shaft end cover, 27-front shaft tooth, 28-rear shaft tooth, 29-shaft sleeve, 30-axle pad.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying fig. 1-4, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection contents of the present invention.

The double-screw feeding device of the extruder comprises a feeding machine body and is characterized in that the feeding machine body comprises a feeding lower support, a feeding lower support is fixed on the feeding lower support, a friction joint and a feeding upper support are fixed on the feeding lower support, a feeding upper support is fixed on the feeding upper support, a bottom plate is fixed on the feeding upper support, a lower storage bin and a gear box are fixed on the bottom plate, a screw front seat, a screw rear seat and a storage bin are fixed on the lower storage bin, a bin cover is fixed on the storage bin, a gear box is fixed on the screw rear seat, spindle teeth are fixed inside the gear box, the spindle teeth are fixed on a speed reducer through a spindle end cover, a servo motor is fixed on the speed reducer, the front spindle teeth and the rear spindle teeth are fixed on the gear box through a screw front end cover, the front shaft teeth and the rear shaft teeth are connected with the screw through shaft sleeves, shaft pads and screws respectively, the stirring shaft teeth are fixed on the gear box through a box body front end cover and a stirring shaft front end cover, stirring blades are fixed on the stirring shaft teeth, the stirring shaft teeth are fixed on the outer cover through a stirring shaft blade bin end cover and a TC framework sealing ring, and the stirring shaft teeth are fixed on the gear box through a stirring shaft rear end cover.

Furthermore, the feeding bracket consisting of the upper feeding support column, the friction joint and the lower feeding support column can freely rotate for 360 degrees through the friction joint.

Furthermore, a stirring blade is fixed in the blanking bin and rotates along with the operation of the servo motor.

Further, the storage bin is placed on the lower storage bin, and the storage bins with different volumes can be freely detached and replaced.

Utility model theory of operation: the servo motor drives the main shaft teeth to move through the speed reducer, the main shaft teeth drive the front shaft teeth and the rear shaft teeth to move respectively, the front shaft teeth and the rear shaft teeth are connected with the two feeding screws respectively, the main shaft teeth also drive the stirring shaft teeth to move simultaneously, the stirring shaft teeth are connected with the stirring blades, namely, when the servo motor moves, the two feeding screws follow to run together to convey the powder, meanwhile, the stirring blades also continuously stir the powder to prevent the material from bridging, a feeding bracket consisting of an upper feeding support column, a friction joint and a lower feeding support column can freely rotate for 360 degrees through the friction joint, when the feeding is not needed or the feeding port of the extruder needs to be observed, the double-screw feeder can be rotated to other sides, simultaneously, the residual materials in the feeding machine can be discharged conveniently, the storage bin is directly located on the discharging bin, and when the storage bins with different volumes need to be replaced, the feeding machine is simple and convenient. When the screw rod is connected with the front shaft tooth and the rear shaft tooth, the screw rod is designed into a detachable structure through the shaft key, and the screw rod is convenient to clean and replace.

Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and to those skilled in the art, according to the idea of the present invention, a plurality of improvements and decorations can be made on the specific embodiments and the application scope, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A double-screw feeding device of an extruder comprises a feeding machine body and is characterized in that the feeding machine body comprises a feeding lower support (22), a feeding lower support (21) is fixed on the feeding lower support (22), a friction joint (20) and a feeding upper support (19) are fixed on the feeding lower support (21), a feeding upper support (18) is fixed on the feeding upper support (19), a bottom plate (17) is fixed on the feeding upper support (18), a lower storage bin (2) and a gear box (11) are fixed on the bottom plate (17), a screw front seat (1), a screw rear seat (24) and a storage bin (4) are fixed on the lower storage bin (2), a bin cover (9) is fixed on the storage bin (4), a gear box (11) is fixed on the screw rear seat, main shaft teeth (14) are fixed inside the gear box (11), main shaft tooth (14) fix on reduction gear (15) through main shaft end cover (26), reduction gear (15) on be fixed with servo motor (16), front axle tooth (27) and rear axle tooth (28) are fixed on the gear box through screw rod front end housing (25), front axle tooth (27) and rear axle tooth (28) connect through axle sleeve (29), axle pad (30) and screw rod (23) respectively, stirring axle tooth (7) are fixed on gear box (11) through box front end housing (10) and (mixing) shaft front end housing (8), stirring axle tooth (7) on be fixed with stirring leaf (3), stirring axle tooth (7) fix on dustcoat (12) through (mixing) shaft leaf storehouse end cover (5) and TC skeleton sealing washer (6), stirring axle tooth (7) fix on gear box (11) through (mixing) shaft rear end cover (13).

2. The twin-screw feeding device of an extruder as claimed in claim 1, wherein the feeding support consisting of the feeding upper support (19), the friction joint (20) and the feeding lower support (21) can freely rotate for 360 degrees via the friction joint (20).

3. The twin-screw feeding device of an extruder as claimed in claim 1, wherein the lower bin (2) is fixed with a stirring blade (3) which rotates with the operation of the servo motor (16).

4. The twin-screw feeding device of an extruder according to claim 1, wherein the storage bin (4) is placed on the lower bin (2), and the storage bin (4) with different volumes can be freely disassembled and replaced.