CN216373265U

CN216373265U - Screw transmission mechanism of screw grain extractor

Info

Publication number: CN216373265U
Application number: CN202123169400.XU
Authority: CN
Inventors: 黄世辉; 郭硕; 张顺; 张怀军
Original assignee: Huizhou Junyue New Material Co ltd
Current assignee: Huizhou Junyue New Material Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-04-26
Anticipated expiration: 2031-12-16

Abstract

The utility model discloses a screw transmission mechanism of a screw granulator, which comprises a transmission case and a driving motor, wherein the driving motor is fixedly arranged on one side of the transmission case, a main shaft is arranged at the output end of the driving motor, and the main shaft penetrates through the transmission case and is rotationally connected with the transmission case. Has the advantages that: the driving pulley, the driven pulley, the driving hydraulic rod and the driven hydraulic rod are adopted, the driving motor drives the main shaft to rotate, so that the driving pulley is driven to rotate, the driven pulley and the screw rod are driven to rotate through the steel belt, transmission is completed, when the torque of the screw rod needs to be adjusted and improved, the driving hydraulic rod can be shortened and the driven hydraulic rod can be extended simultaneously through the controller, so that the driving pulley moves outwards simultaneously, the driven pulley moves inwards simultaneously, the diameter of the steel belt at the end of the driving pulley is reduced, the diameter of the end of the driven pulley is increased, and the torque is amplified.

Description

Screw transmission mechanism of screw grain extractor

Technical Field

The utility model relates to the technical field of screw grain extractors, in particular to a screw transmission mechanism of a screw grain extractor.

Background

A screw rod grain extractor, also called plastic grain extractor, is a kind of plastic extrusion molding equipment, which heats plastic raw materials into viscous flow state, continuously extrudes the plastic raw materials through an extrusion die head under the action of pressurization, cools the plastic raw materials into strip glass state, and obtains cylindrical or elliptical plastic grains through a grain cutting device.

Traditional screw rod grain extractor adopts driving motor to drive the screw rod through the speed reducer and rotates and carry out work, and traditional speed reducer can't carry out the adjustment of moment of torsion and rotational speed, when taking place screw rod rotational speed or moment of torsion not enough, can only adjust rotational speed and moment of torsion through the mode of adjusting driving motor power or changing the speed reducer, and is comparatively troublesome, can also further make the improvement.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a screw transmission mechanism of a screw granulator, which has the advantage of convenience in adjusting the torque and the rotating speed of a screw, and further solves the problems in the background art.

(II) technical scheme

In order to realize the advantages of conveniently adjusting the torque and the rotating speed of the screw, the utility model adopts the following specific technical scheme:

a screw transmission mechanism of a screw granulator comprises a transmission case and a driving motor, wherein the driving motor is fixedly installed on one side of the transmission case, the output end of the driving motor is provided with a main shaft, the main shaft penetrates through the transmission case and is rotatably connected with the transmission case, a screw is arranged on one side of the main shaft, the screw penetrates through the other end of the transmission case and is rotatably connected with the transmission case, a driving pulley is sleeved on the surface of the main shaft in a sliding manner, a driven pulley is sleeved on the surface of the screw in a sliding manner, the driven pulley and the driving pulley are of the same structure, a steel belt is sleeved between the driven pulley and the driving pulley, rotating rings are fixedly connected to the outer walls of the driving pulley and the driven pulley, lantern rings are sleeved on the outer sides of the rotating rings in a rotating manner, a driving hydraulic rod and a driven hydraulic rod are fixedly installed on the outer walls of two sides of the transmission case respectively, and a piston rod of the driving hydraulic rod penetrates through the transmission case and is fixedly connected with lantern rings on the outer sides of the driving pulley, and a piston rod of the driven hydraulic rod penetrates through the transmission case and is fixedly connected with a lantern ring on the outer side of the driven pulley, and a controller is fixedly mounted on the top surface of the transmission case.

Further, the screw rod fixed surface has cup jointed the detection gear, and detects gear one side and is equipped with revolution speed sensor through the branch mount to the branch other end and transmission case fixed connection, revolution speed sensor output and controller input electric connection.

Furthermore, the output end of the controller is electrically connected with the input ends of the driving hydraulic rod and the driven hydraulic rod, and the surface of the controller is integrated with a display for the rotating speed sensor.

Furthermore, the slot has been seted up to the rotating ring outer wall, the lantern ring inner wall has been seted up and has been inserted the ring, and insert the ring and insert in the slot, insert ring outer wall and slot inner wall and all seted up the ball groove, and the ball inslot roll connection has the ball.

Furthermore, the main shaft is rotatably connected with the transmission case through a bearing, and the screw is rotatably connected with the transmission case through a bearing.

Furthermore, the main shaft surface and the screw rod surface are both provided with sliding grooves, the inner walls of the driving pulley and the driven pulley are both provided with inserting blocks, and the inserting blocks are inserted into the sliding grooves and are in sliding connection with the sliding grooves.

Furthermore, four driving hydraulic rods and four driven hydraulic rods are arranged respectively, and the driving hydraulic rods and the driven hydraulic rods work synchronously.

(III) advantageous effects

Compared with the prior art, the utility model provides a screw transmission mechanism of a screw grain extractor, which has the following beneficial effects:

(1) the driving pulley, the driven pulley, the driving hydraulic rod and the driven hydraulic rod are adopted, the driving motor drives the main shaft to rotate, so that the driving pulley is driven to rotate, the driven pulley and the screw rod are driven to rotate through the steel belt, transmission is completed, when the torque of the screw rod needs to be adjusted and improved, the driving hydraulic rod can be shortened and the driven hydraulic rod can be extended simultaneously through the controller, so that the driving pulley moves outwards simultaneously, the driven pulley moves inwards simultaneously, the diameter of the steel belt at the end of the driving pulley is reduced, the diameter of the end of the driven pulley is increased, and the torque is amplified.

(2) The detection gear and the rotation speed sensor are adopted, the rotation of the screw drives the detection gear to rotate, so that the rotation speed of the screw is detected through the rotation speed sensor, a worker can know the rotation speed of the screw through the observation controller, when the rotation speed is too low, the controller can simultaneously extend the driving hydraulic rod and simultaneously shorten the driven hydraulic rod, so that the driving pulley simultaneously moves inwards and the driven pulley simultaneously moves outwards, the diameter of the steel belt at the end of the driving pulley is increased, the diameter at the end of the driven pulley is decreased, the rotation speed of the screw is increased under the condition that the output power of the driving motor is inconvenient, the rotation speed is convenient to adjust, and the use convenience is further improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a screw driving mechanism of a screw granulator according to the present invention;

FIG. 2 is a top view of a screw driving mechanism of a screw thresher in accordance with the present invention;

fig. 3 is an external structural view of a driving pulley according to the present invention;

fig. 4 is a schematic view of the connection between the driving pulley and the main shaft according to the present invention.

In the figure:

1. a transmission case; 2. a drive motor; 3. a main shaft; 4. a chute; 5. a driving pulley; 6. a steel belt; 7. a rotating ring; 8. an active hydraulic lever; 9. a bearing; 10. a collar; 11. a driven pulley; 12. a driven hydraulic rod; 13. a screw; 14. detecting the gear; 15. a rotational speed sensor; 16. a strut; 17. a ball bearing; 18. inserting a ring; 19. a slot; 20. a controller; 21. and (5) inserting the blocks.

Detailed Description

For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the utility model, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.

According to an embodiment of the present invention, a screw driving mechanism of a screw thresher is provided.

The present invention will be further described with reference to the accompanying drawings and specific embodiments, as shown in fig. 1-4, a screw transmission mechanism of a screw thresher according to an embodiment of the present invention includes a transmission case 1 and a driving motor 2, the driving motor 2 is fixedly installed on one side of the transmission case 1, a main shaft 3 is installed at an output end of the driving motor 2, the main shaft 3 penetrates through the transmission case 1 and is rotatably connected with the transmission case 1, a screw 13 is installed on one side of the main shaft 3, the screw 13 penetrates through the other end of the transmission case 1 and is rotatably connected with the transmission case 1, a driving pulley 5 is slidably sleeved on a surface of the main shaft 3, two driving pulleys 5 are installed, a driven pulley 11 is slidably sleeved on a surface of the screw 13, two driven pulleys 11 are installed, the driven pulley 11 and the driving pulley 5 are of the same structure, a steel belt 6 is sleeved between the driven pulley 11 and the driving pulley 5, the outer walls of the driving pulley 5 and the driven pulley 11 are both fixedly connected with a rotating ring 7, a lantern ring 10 is rotatably sleeved on the outer side of the rotating ring 7, a driving hydraulic rod 8 and a driven hydraulic rod 12 are fixedly installed on the outer walls of the two sides of the transmission case 1 respectively, a piston rod of the driving hydraulic rod 8 penetrates through the transmission case 1 and is fixedly connected with the lantern ring 10 on the outer side of the driving pulley 5, a piston rod of the driven hydraulic rod 12 penetrates through the transmission case 1 and is fixedly connected with the lantern ring 10 on the outer side of the driven pulley 11, a controller 20 is fixedly installed on the top surface of the transmission case 1, the driving motor 2 drives the main shaft 3 to rotate so as to drive the driving pulley 5 to rotate, the driven pulley 11 and the screw 13 are driven to rotate through the steel belt 6 to complete transmission, when the torque of the screw 13 needs to be adjusted and improved, the driving hydraulic rod 8 can be shortened and the driven hydraulic rod 12 can be extended simultaneously through the controller 20, so that the driving pulley 5 simultaneously moves outwards, the driven pulley 11 simultaneously moves inwards, and the diameter of the steel belt 6 at the end of the driving pulley 5 becomes smaller, the diameter of the end of the driven pulley 11 is increased, so that the torque is amplified, and compared with the traditional speed reducer, the device has the advantages that the torque is very convenient to adjust, and the use convenience is greatly improved.

In one embodiment, the surface of the screw 13 is fixedly sleeved with the detection gear 14, one side of the detection gear 14 is provided with a rotation speed sensor 15 through a supporting rod 16 fixing frame, the other end of the supporting rod 16 is fixedly connected with the transmission case 1, the output end of the rotation speed sensor 15 is electrically connected with the input end of the controller 20, wherein the output end of the controller 20 is electrically connected with the input ends of the driving hydraulic rod 8 and the driven hydraulic rod 12, which is a common control structure, the surface of the controller 20 is integrated with a display for the rotation speed sensor 15, so as to display the rotation speed, the rotation speed sensor 15 is rotated to drive the detection gear 14 to rotate, thereby the rotation speed sensor 15 is used to detect the rotation speed of the screw 13, a worker can know the rotation speed of the screw 13 through observing the controller 20, when the rotation speed is too slow, the driving hydraulic rod 8 can be simultaneously extended and the driven hydraulic rod 12 can be simultaneously shortened through the controller 20, thereby the driving pulley 5 is simultaneously moved inwards, make driven pulley 11 outwards remove simultaneously, steel band 6 diminishes at 11 end diameters of driven pulley 5 end grow of initiative pulley to rise screw 13 rotational speed under the inconvenient condition of driving motor 2 output, thereby be convenient for adjust the rotational speed, further improved the convenience of using.

In one embodiment, the outer wall of the rotating ring 7 is provided with a slot 19, the inner wall of the sleeve ring 10 is provided with an inserting ring 18, the inserting ring 18 is inserted into the slot 19, the sleeve ring 10 is prevented from slipping, the outer wall of the inserting ring 18 and the inner wall of the slot 19 are both provided with ball grooves, and balls 17 are connected inside the ball grooves in a rolling manner, so that friction force is reduced, and stable rotation is facilitated.

In one embodiment, the main shaft 3 is rotatably connected with the transmission case 1 through the bearing 9, and the screw 13 is rotatably connected with the transmission case 1 through the bearing 9, which is a common rotation connection form, so that the main shaft 3 and the screw 13 can rotate smoothly.

In one embodiment, the sliding groove 4 is formed on the surface of the main shaft 3 and the surface of the screw 13, the insertion block 21 is formed on the inner wall of the driving pulley 5 and the inner wall of the driven pulley 11, and the insertion block 21 is inserted into the sliding groove 4 and is slidably connected with the sliding groove 4, so that the driving pulley 5 and the driven pulley 11 can move conveniently, the driving pulley 5 and the main shaft 3 can be prevented from rotating relatively, and the driven pulley 11 and the screw 13 can be prevented from rotating relatively.

In one embodiment, four driving hydraulic rods 8 and four driven hydraulic rods 12 are arranged, and the driving hydraulic rods 8 and the driven hydraulic rods 12 work synchronously to avoid the steel belt 6 from being broken under tension.

The working principle is as follows:

the driving motor 2 drives the main shaft 3 to rotate, thereby driving the driving pulley 5 to rotate, the driven pulley 11 and the screw 13 are driven to rotate through the steel belt 6, transmission is completed, when the torque of the screw 13 needs to be adjusted and improved, the driving hydraulic rod 8 is shortened and the driven hydraulic rod 12 is extended simultaneously through the controller 20, thereby the driving pulley 5 moves outwards and the driven pulley 11 moves inwards simultaneously, the diameter of the steel belt 6 at the end of the driving pulley 5 becomes smaller, the diameter at the end of the driven pulley 11 becomes larger, thereby the torque is amplified, compared with the traditional speed reducer, the device is very convenient for adjusting the torque, the convenience of use is greatly improved, meanwhile, the screw 13 rotates to drive the detection gear 14 to rotate, thereby the rotation speed of the screw 13 is detected through the rotation speed sensor 15, a worker can know the rotation speed of the screw 13 through observing the controller 20, when the rotation speed is too slow, the driving hydraulic rod 8 and the driven hydraulic rod 12 are extended simultaneously through the controller 20, thereby make driving pulley 5 inwards move simultaneously, make driven pulley 11 outwards move simultaneously, steel band 6 is at 5 end diameters grow of driving pulley, and 11 end diameters diminish at driven pulley to rising screw 13 rotational speed under the inconvenient condition of driving motor 2 output, thereby be convenient for adjust the rotational speed, further improved the convenience of using.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

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. A screw transmission mechanism of a screw rod grain extractor is characterized by comprising a transmission case (1) and a driving motor (2), wherein the driving motor (2) is fixedly installed on one side of the transmission case (1), the output end of the driving motor (2) is provided with a main shaft (3), the main shaft (3) penetrates through the transmission case (1) and is rotatably connected with the transmission case (1), a screw rod (13) is arranged on one side of the main shaft (3), the screw rod (13) penetrates through the other end of the transmission case (1) and is rotatably connected with the transmission case (1), a driving pulley (5) is sleeved on the surface of the main shaft (3) in a sliding mode, a driven pulley (11) is sleeved on the surface of the screw rod (13) in a sliding mode, the driven pulley (11) and the driving pulley (5) are of the same structure, a steel belt (6) is sleeved between the driven pulley (11) and the driving pulley (5), and rotating rings (7) are fixedly connected to the outer walls of the driving pulley (5) and the driven pulley (11), and rotating ring (7) outside is rotated and is cup jointed lantern ring (10), transmission case (1) both sides outer wall is fixed mounting respectively has initiative hydraulic stem (8) and driven hydraulic stem (12), and the piston rod of initiative hydraulic stem (8) runs through lantern ring (10) fixed connection in transmission case (1) and initiative pulley (5) outside to the piston rod of driven hydraulic stem (12) runs through lantern ring (10) fixed connection in transmission case (1) and driven pulley (11) outside, transmission case (1) top surface fixed mounting has controller (20).

2. The screw transmission mechanism of the screw thresher according to claim 1, wherein the surface of the screw (13) is fixedly sleeved with a detection gear (14), one side of the detection gear (14) is provided with a rotation speed sensor (15) through a support rod (16) fixing frame, the other end of the support rod (16) is fixedly connected with the transmission case (1), and the output end of the rotation speed sensor (15) is electrically connected with the input end of the controller (20).

3. The screw transmission mechanism of the screw thresher according to claim 2, wherein the output end of the controller (20) is electrically connected with the input ends of the driving hydraulic rod (8) and the driven hydraulic rod (12), and a display for the rotation speed sensor (15) is integrated on the surface of the controller (20).

4. The screw transmission mechanism of the screw thresher according to claim 1, wherein the outer wall of the rotating ring (7) is provided with a slot (19), the inner wall of the sleeve ring (10) is provided with an insert ring (18), the insert ring (18) is inserted into the slot (19), the outer wall of the insert ring (18) and the inner wall of the slot (19) are both provided with ball grooves, and balls (17) are connected inside the ball grooves in a rolling manner.

5. Screw drive of a screw thresher according to claim 1, characterised in that the main shaft (3) is rotationally connected to the drive housing (1) via a bearing (9), and the screw (13) is rotationally connected to the drive housing (1) via a bearing (9).

6. The screw transmission mechanism of the screw thresher according to claim 1, wherein the surface of the main shaft (3) and the surface of the screw (13) are both provided with a chute (4), the inner walls of the driving pulley (5) and the driven pulley (11) are both provided with an insert block (21), and the insert block (21) is inserted into the chute (4) and is slidably connected with the chute (4).

7. Screw drive of a screw thresher according to claim 1, characterised in that four hydraulic drive rods (8) and four hydraulic slave rods (12) are provided, and the hydraulic drive rods (8) and the hydraulic slave rods (12) are operated synchronously.