CN217021359U

CN217021359U - High-torque transmission device of high-stability extruder

Info

Publication number: CN217021359U
Application number: CN202220348125.3U
Authority: CN
Inventors: 黄意
Original assignee: Dongguan Dinglong Electric Machinery Co ltd
Current assignee: Dongguan Dinglong Electric Machinery Co ltd
Priority date: 2022-02-21
Filing date: 2022-02-21
Publication date: 2022-07-22
Anticipated expiration: 2032-02-21

Abstract

The utility model discloses a high-torque transmission device of a high-stability extruder, relates to the technical field of extruder equipment, aims at the transmission device of the existing partial double-screw extruder, the problem that parts are easy to wear and further the service life of the extruder is influenced due to unstable motion of the output end when in use is solved by the following scheme, which comprises a base, wherein the top of the base is fixedly provided with an extruder body, the side wall of one end of the extruder body is fixedly provided with a bottom plate, a limit ring is fixedly arranged on one side of the bottom plate away from the extruder body, an inner gear ring is rotationally arranged on the circumferential inner wall of the limit ring, the extruder body is internally and rotatably provided with two screws with the same structure, one ends of the two screws, which are close to the bottom plate, penetrate through the limiting ring and extend into the limiting ring and are fixedly sleeved with second gears, and the two second gears are meshed with the inner gear ring. The double-screw torque transmission device is novel in structure, realizes relatively stable torque transmission of double screws, and is suitable for popularization.

Description

High-torque transmission device of high-stability extruder

Technical Field

The utility model relates to the technical field of extruder equipment, in particular to a high-torque transmission device of a high-stability extruder.

Background

Screw extruders are widely used in mixing, extruding, molding and other processes in the processing of plastics, rubbers, synthetic fibers, coatings, pulp, pharmaceuticals, food and the like. The double-screw extruder is developed on the basis of a single-screw extruder, and has the characteristics of good feeding performance, mixing plasticizing performance, exhaust performance, extrusion stability and the like. However, in the existing partial twin-screw extruder, the transmission device is limited by the small distance between the centers of the two screws and the diameter of the screws, and needs to bear huge axial thrust and output enough torque in a limited space, so that the operation of an output end is unstable, parts are easy to wear, and the service life of the extruder is influenced. Therefore, in order to solve such problems, we propose a high torque transmission device of a high stability extruder.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high-torque transmission device of a high-stability extruder, which solves the problem that the service life of the extruder is influenced because parts are easily abraded due to unstable motion of an output end of the transmission device of the existing partial double-screw extruder in use.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a high-torque transmission device of a high-stability extruder comprises a base, wherein an extruder body is fixedly mounted at the top of the base, a bottom plate is fixedly arranged on the side wall of one end of the extruder body, a limiting ring is fixedly arranged on one side, away from the extruder body, of the bottom plate, an inner toothed ring is rotatably arranged on the inner wall of the circumference of the limiting ring, two screws with the same structure are rotatably arranged in the extruder body, one ends, close to the bottom plate, of the two screws penetrate through the limiting ring and extend into the limiting ring, a second gear is fixedly sleeved on the ends of the two screws, and the two second gears are meshed with the inner toothed ring;

the top of the base is fixedly provided with a supporting plate, the supporting plate and the bottom plate are arranged in parallel, one side of the bottom plate, which is close to the supporting plate, is rotatably provided with a first transmission shaft and a second transmission shaft, one ends of the first transmission shaft and the second transmission shaft, which are close to the bottom plate, are respectively fixedly adjusted with a first gear, the two first gears are respectively meshed with an inner gear ring, one ends of the first transmission shaft and the second transmission shaft, which are far away from the bottom plate, are respectively penetrated through the supporting plate, the shaft bodies of the first transmission shaft and the second transmission shaft, which are located at one side of the supporting plate, which is far away from the bottom plate, are respectively fixedly sleeved with a second chain wheel, the two second chain wheels are respectively wound with a second chain, the top of the base is fixedly provided with a motor, the output shaft of the motor is vertically arranged with the supporting plate, and the shaft bodies of the motor, which are located at one side of the supporting plate, which is far away from the bottom plate, are respectively fixedly sleeved with a first chain wheel, and a first chain is wound on the two first chain wheels.

Preferably, the inner wall of the circumference of the limiting ring is provided with an annular groove matched with the inner gear ring, and the limiting ring is fixedly installed on the bottom plate through a plurality of bolts distributed in an annular array.

Preferably, the bottom ends of the two sides of the supporting plate are fixedly provided with two supporting blocks which are symmetrically distributed, and the supporting blocks are arranged in a triangular shape.

Preferably, the four corners of one side of the bottom plate, which are close to the supporting plate, are fixedly provided with connecting rods, and the four connecting rods are fixedly connected with the supporting plate.

Preferably, the two first gears and the two second sprockets are distributed in a staggered manner.

The utility model has the beneficial effects that:

1. through the setting of spacing ring, backup pad, bolt, supporting shoe and connecting rod, the supporting shoe is triangle-shaped setting, has improved the stability of backup pad, and four connecting rods make backup pad and bottom plate constitute relative whole, have improved holistic stability, and the spacing ring passes through bolt and bottom plate fixed mounting, makes things convenient for the dismouting to maintain, and has seted up the annular groove in the spacing ring, makes interior ring gear inlay establish in the annular groove, has improved driven stability.

2. Through the motor, first sprocket, first chain, the second sprocket, the second chain, first transmission shaft, the secondary drive axle, interior ring gear, the setting of first gear and second gear, starter motor, through the transmission of first sprocket with first chain, drive first transmission shaft and rotate, first transmission shaft drives continuous first gear revolve, and simultaneously, through the transmission of second sprocket with the second chain, it rotates to drive the secondary drive axle, the secondary drive axle drives continuous first gear revolve, the turning to of two first gears is the same, drive interior ring gear revolve jointly, drive two second gear synchronous rotations when interior ring gear revolve, and then drive two screw rod syntropies, realize stable torque transmission.

In conclusion, the double-screw extruder realizes relatively stable torque transmission of double screws, solves the problem that parts are easy to wear and further the service life of the extruder is influenced due to unstable motion of the output end of the transmission device of the existing partial double-screw extruder during use, and is suitable for popularization.

Drawings

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

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a view showing an installation structure of an inner ring gear, a first gear and a second gear according to the present invention;

FIG. 4 is an exploded view of the inner ring gear, the first gear and the second gear of the present invention;

FIG. 5 is a schematic view of a stop collar according to the present invention.

Reference numbers in the figures: 1. a base; 2. an extruder body; 3. a base plate; 4. a limiting ring; 5. an inner gear ring; 6. a screw; 7. a second gear; 8. a support plate; 9. a first transmission shaft; 10. a second transmission shaft; 11. a first gear; 12. a second sprocket; 13. a second chain; 14. a motor; 15. a first sprocket; 16. a first chain; 17. a bolt; 18. a supporting block; 19. a connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1, 3, 4 and 5, a high torque transmission device of a high stability extruder comprises a base 1, an extruder body 2 is fixedly mounted on the top of the base 1, a bottom plate 3 is fixedly arranged on the side wall of one end of the extruder body 2, a limiting ring 4 is fixedly arranged on one side of the bottom plate 3 far away from the extruder body 2 through a plurality of bolts 17 distributed in an annular array, the bolts 17 are convenient for the disassembly and assembly of the limiting ring 4, an inner gear ring 5 is rotatably arranged on the circumferential inner wall of the limiting ring 4, set up the annular groove who matches with interior ring gear 5 at the circumference inner wall of spacing ring 4, interior ring gear 5 inlays to be established in the annular groove, has improved stability, and extruder body 2's inside is rotated and is provided with two screw rods 6 that the structure is the same, and two screw rods 6 are close to the one end of bottom plate 3 and all run through and extend to in the spacing ring 4 and fixed the second gear 7 that has cup jointed, and two second gears 7 all mesh with interior ring gear 5.

Referring to fig. 1, 2, 3 and 4, a supporting plate 8 is fixedly arranged at the top of a base 1, the supporting plate 8 is arranged in parallel with a bottom plate 3, two supporting blocks 18 which are symmetrically distributed are fixedly arranged at the bottom ends of two sides of the supporting plate 8, the supporting blocks 18 are arranged in a triangle shape, the stability of the supporting plate 8 is improved, four connecting rods 19 are fixedly arranged at four corners of one side of the bottom plate 3 close to the supporting plate 8, the four connecting rods 19 are fixedly connected with the supporting plate 8, the supporting plate 8 and the bottom plate 3 form a relative whole body, the stability of the whole body is improved, a first transmission shaft 9 and a second transmission shaft 10 are rotatably arranged at one side of the bottom plate 3 close to the supporting plate 8, a first gear 11 is fixedly adjusted at one end of the first transmission shaft 9 and one end of the second transmission shaft 10 close to the bottom plate 3, the two first gears 11 are both meshed with an internal gear ring 5, one ends of the first transmission shaft 9 and the second transmission shaft 10 far away from the bottom plate 3 penetrate through the supporting plate 8, first transmission shaft 9 and second transmission shaft 10 are located backup pad 8 and all fixedly cup jointed second sprocket 12 on keeping away from the axis body of bottom plate 3 one side, around being equipped with second chain 13 on two second sprockets 12, base 1's top fixed mounting has motor 14, two first gears 11 and two second sprockets 12 are the dislocation distribution, internal ring gear 5 forms the internal stay, the output shaft of motor 14 is perpendicular setting with backup pad 8, the output shaft of motor 14, first transmission shaft 9 is located backup pad 8 and all fixedly cup joints first sprocket 15 on keeping away from the axis body of bottom plate 3 one side, around being equipped with first chain 16 on two first sprockets 15.

The working principle is as follows: when the transmission device is used, the motor 14 is started, the first transmission shaft 9 is driven to rotate through the transmission of the first chain wheel 15 and the first chain 16, the first transmission shaft 9 drives the connected first gear 11 to rotate, meanwhile, the second transmission shaft 10 is driven to rotate through the transmission of the second chain wheel 12 and the second chain 13, the second transmission shaft 10 drives the connected first gear 11 to rotate, the two first gears 11 have the same rotation direction and drive the inner toothed ring 5 to rotate together, the two second gears 7 are driven to synchronously rotate when the inner toothed ring 5 rotates, and the two screw rods 6 are further driven to rotate in the same direction, so that stable torque transmission is realized.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the utility model concepts of the present invention in the scope of the present invention.

Claims

1. The high-torque transmission device of the high-stability extruder comprises a base (1) and is characterized in that an extruder body (2) is fixedly mounted at the top of the base (1), a bottom plate (3) is fixedly arranged on the side wall of one end of the extruder body (2), a limit ring (4) is fixedly arranged on one side, away from the extruder body (2), of the bottom plate (3), an inner gear ring (5) is rotatably arranged on the inner wall of the circumference of the limit ring (4), two screw rods (6) with the same structure are rotatably arranged inside the extruder body (2), one ends, close to the bottom plate (3), of the two screw rods (6) penetrate through the limit ring (4) and extend into the limit ring (4) and are fixedly sleeved with second gears (7), and the two second gears (7) are meshed with the inner gear ring (5);

a supporting plate (8) is fixedly arranged at the top of the base (1), the supporting plate (8) and the bottom plate (3) are arranged in parallel, one side, close to each other, of the bottom plate (3) and the supporting plate (8) is rotatably provided with a first transmission shaft (9) and a second transmission shaft (10), one ends, close to the bottom plate (3), of the first transmission shaft (9) and the second transmission shaft (10) are fixedly adjusted with first gears (11), two first gears (11) are respectively meshed with the inner gear ring (5), one ends, far away from the bottom plate (3), of the first transmission shaft (9) and one end, far away from the bottom plate (3), of the second transmission shaft (10) penetrate through the supporting plate (8), shaft bodies, located at one side, far away from the bottom plate (3), of the supporting plate (8), of the first transmission shaft (9) and the second transmission shaft (10) are respectively fixedly sleeved with a second chain wheel (12), and second chains (13) are wound on the two second chain wheels (12), the top fixed mounting of base (1) has motor (14), just the output shaft and backup pad (8) of motor (14) are perpendicular setting, output shaft, first transmission shaft (9) of motor (14) are located backup pad (8) and all fixedly cup jointed first sprocket (15) on keeping away from the axis body of bottom plate (3) one side, and two around being equipped with first chain (16) on first sprocket (15).

2. The high-torque transmission device of the high-stability extruder according to claim 1, wherein an annular groove matched with the inner gear ring (5) is formed in the inner circumferential wall of the limit ring (4), and the limit ring (4) is fixedly mounted on the bottom plate (3) through a plurality of bolts (17) distributed in an annular array.

3. The high torque transmission device of the high stability extruder in claim 1, wherein two symmetrically distributed supporting blocks (18) are fixedly arranged at the bottom ends of the two sides of the supporting plate (8), and the supporting blocks (18) are arranged in a triangle.

4. The high-torque transmission device of the high-stability extruder is characterized in that four corners of one side, close to the support plate (8), of the bottom plate (3) are fixedly provided with connecting rods (19), and the four connecting rods (19) are fixedly connected with the support plate (8).

5. The high torque transmission device of high stability extruder according to claim 1, wherein two first gears (11) and two second sprockets (12) are arranged in a staggered manner.