CN212943951U - Wormcast sieve driving mechanism - Google Patents

Abstract

The utility model discloses an earthworm cast sieve actuating mechanism, it includes fixing base, motor, pulley group, eccentric wheel and connecting rod, motor and pulley group set up on the fixing base, pulley group includes the action wheel, from driving wheel and belt, the output shaft and the action wheel fixed connection of motor, the action wheel passes through the belt and drives from the driving wheel rotation, the diameter of action wheel is less than the diameter from the driving wheel, the action wheel sets up with certain reduction ratio from the driving wheel with follow driving wheel, the eccentric wheel with from driving wheel fixed connection, the action wheel, the wheel face from driving wheel and eccentric wheel is the horizontal direction setting, skew axle center position is equipped with eccentric articulated seat on the eccentric wheel, the one end and the eccentric articulated seat swing joint of connecting rod, the other end of connecting rod be used for with. The wormcast sieve driving mechanism of the utility model has the advantages of large material quantity which can be sieved at the same time, improved efficiency, small motor load and prolonged service life of the motor; the vertical oscillation of the screen body can be eliminated, the noise is reduced, and meanwhile, the dust can be reduced.

Description

Wormcast sieve driving mechanism

Technical Field

The utility model relates to an agricultural machine facility field especially relates to a earthworm cast sieve actuating mechanism.

Background

The wormcast is a decomposed organic fertilizer which is discharged by mixing garbage, animal waste or straws and the like and is digested by earthworms, and has a good promoting effect on the growth and development of crops.

In order to improve the yield and the quality of crops, the use amount of wormcast is more and more. After the production of the wormcast is finished, the wormcast needs to be screened so that the fineness of the wormcast can meet the required requirement. Therefore, a wormcast screening device is used. Present sieving mechanism, its drive mode sets up vibrating motor in bottom one side of screen cloth usually, set up the spring support post at the opposite side, it vibrates to drive the screen cloth through vibrating motor's upper and lower flexible, this kind of sieving mechanism's defect lies in, the motor will promote the screen cloth up-and-down motion, therefore, will bear the gravity of material in the screen cloth, it is great to lead to its load, the quantity of the material of disposable screening is very few, and when screening earthworm excrement, there is the problem that the material splashes, produce a large amount of dusts, and the noise is very big. The vibrating motor is overloaded and is easy to damage, so that a wormcast sieve driving mechanism suitable for screening wormcast needs to be designed.

Disclosure of Invention

The utility model aims to provide a screening device to current adopts vibrating motor and spring support post as the drive mode, and the capacity is big, and the motor damages easily, and the screening volume is few, produces the dust easily, and big scheduling problem of noise provides an earthworm cast sieve actuating mechanism.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the wormcast sieve driving mechanism is characterized in that: it includes fixing base, motor, pulley group, eccentric wheel and connecting rod, and motor and pulley group set up on the fixing base, and pulley group includes the action wheel, follows driving wheel and belt, and the output shaft and the action wheel fixed connection of motor, the action wheel passes through the belt and drives from the driving wheel rotation, and the diameter of action wheel is less than the diameter from the driving wheel, and the action wheel sets up with certain reduction ratio from the driving wheel with follow driving wheel fixed connection, and the action wheel, the wheel face from driving wheel and eccentric wheel are the horizontal direction setting, and skew axle center position is equipped with the articulated seat of eccentric on the eccentric wheel, the one end and the articulated seat swing joint of eccentric of connecting rod, the other end of connecting rod.

The further scheme is that a bearing seat is arranged on the fixed seat, the driven wheel is in running fit with the bearing seat through a bearing, and the driven wheel is flexibly rotated and limited to move up and down through the bearing.

The fixing seat comprises a lower supporting plate, an upper supporting plate and a stand column, wherein the stand column is arranged between the lower supporting plate and the upper supporting plate.

The motor is fixedly arranged on the lower supporting plate of the fixing seat, an output shaft of the motor is fixedly connected with a rotating shaft of the driving wheel through a coupler, and the rotating shaft of the driving wheel is arranged on the upper supporting plate through a bearing and a bearing seat.

The further proposal is that the circumferential surfaces of the driving wheel and the driven wheel are provided with annular grooves for limiting the up-and-down movement of the belt, and the annular grooves are internally provided with convex rings which are tightly attached to the grooves at the inner side of the belt to tension the belt and further limit the up-and-down movement of the belt.

In a further scheme, the connecting rod is in rotating fit with the eccentric hinged seat through a bearing.

The utility model discloses has positive effect: 1) the wormcast sieve driving mechanism drives the connecting rod to horizontally move through the motor, the belt pulley group and the eccentric wheel to push the sieve body to vibrate, and the wormcast sieve driving mechanism is not influenced by the weight of wormcast in the sieve body and has small load, so that the amount of materials which can be sieved simultaneously is large, the efficiency is improved, the motor is not easy to overload, and the service life of the motor is prolonged; 2) the wormcast sieve driving mechanism, the belt pulley and the wheel surface of the eccentric wheel are horizontally arranged, so that the connecting rod can move in the horizontal direction, the vertical oscillation of the sieve body can be eliminated, the noise is reduced, and the dust can be reduced; 3) the utility model discloses a earthworm cast sieve actuating mechanism, belt pulley group set up reasonable reduction ratio, can reduce vibration and motor load, can ensure again that the screen frame has abundant vibration speed.

Drawings

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

the reference numerals in the figures are as follows: fixing base 1, bottom suspension fagging 11, go up backup pad 12, stand 13, motor 2, pulley block 3, action wheel 31, follow driving wheel 32, belt 33, eccentric wheel 4, eccentric articulated seat, connecting rod 5, bearing 51.

Detailed Description

The technical solution of the present invention is described in detail and completely by the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, the present invention relates to a wormcast sieve driving mechanism, which comprises a fixing base 1, a motor 2, a pulley set 3, an eccentric wheel 4 and a connecting rod 5.

The fixing seat 1 comprises a lower supporting plate 11, an upper supporting plate 12 and a vertical column 13, wherein the vertical column 13 is arranged between the lower supporting plate 11 and the upper supporting plate 12.

Pulley group 3 includes action wheel 31, from driving wheel 32 and belt 33, the diameter of action wheel 31 is less than the diameter from the driving wheel, action wheel 31 sets up with certain reduction ratio from driving wheel 32, action wheel 31 passes through belt 33 and drives from driving wheel 32 and rotate, bearing and bearing frame setting are passed through on backup pad 12 to the pivot of action wheel 31, be equipped with the bearing frame on the fixing base 1, pass through bearing and bearing frame normal running fit from driving wheel 32, make from driving wheel rotation flexibility and restriction its activity from top to bottom through the bearing. The circumferential surfaces of the driving wheel 31 and the driven wheel 32 are provided with annular grooves for limiting the vertical movement of the belt, the annular grooves are internally provided with convex rings, and the convex rings are tightly attached to the grooves on the inner side of the belt to tension the belt and further limit the vertical movement of the belt.

The motor 2 is fixedly arranged on the lower supporting plate 11 of the fixing seat 1, and an output shaft of the motor 2 is fixedly connected with a rotating shaft of the driving wheel 31 through a coupler.

The eccentric wheel 4 is fixedly connected with the driven wheel 32 by a flange or by welding. An eccentric hinge seat 41 is arranged on the eccentric wheel 4 at a position deviating from the axis.

The wheel surfaces of the driving wheel 31, the driven wheel 32 and the eccentric wheel 4 are all arranged in the horizontal direction,

one end of the connecting rod 5 is movably connected with the eccentric hinged seat 41, and the other end of the connecting rod 5 is movably connected with the screen body. The connecting rod 5 is rotatably matched with the eccentric hinge seat 41 through a bearing 51.

The utility model discloses an earthworm cast sieve actuating mechanism, when using, drive action wheel 31 through motor 2 and rotate, action wheel 31 passes through belt 33 and drives from driving wheel 32 and rotate, and then drives eccentric wheel 4 and rotate, and eccentric articulated seat 41 on eccentric wheel 4 when rotating on the horizontal direction, drives connecting rod 5 and is flexible at certain within range level, promotes the screen frame vibration and realizes the screening of material. The wormcast sieve driving mechanism adopts a horizontal driving mode, and is not influenced by the weight of wormcast in the sieve body, so that the load is small, the amount of materials which can be sieved simultaneously is large, the efficiency is improved, the motor is not easy to overload, and the service life of the motor is prolonged; the wheel surfaces of the belt pulley and the eccentric wheel are horizontally arranged, so that the connecting rod moves in the horizontal direction, the vertical oscillation of the screen body can be eliminated, the noise is reduced, and meanwhile, the dust can be reduced; the belt pulley group sets up reasonable reduction ratio, can reduce vibration and motor load, can ensure again that the screen frame has abundant vibrating speed. The annular groove and the convex ring are arranged on the wheel surface of the belt pulley, so that the belt pulley can be prevented from moving up and down, and can be kept in a tensioning state to prevent the belt pulley from slipping. The connecting rod passes through bearing and eccentric articulated seat swing joint, makes the rotation of connecting rod more nimble, simultaneously, can prevent the upper and lower activity of connecting rod, and produces and vibrate, leads to the deformation of connecting rod and the damage of articulated seat. The driving wheel and the driven wheel are in running fit with the fixed seat through the bearing, so that the driving wheel and the driven wheel can rotate more flexibly and the mechanical energy loss is lower.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a earthworm cast sieve actuating mechanism which characterized in that: including fixing base, motor, pulley group, eccentric wheel and connecting rod, motor and pulley group set up on the fixing base, and pulley group includes the action wheel, follows driving wheel and belt, the output shaft and the action wheel fixed connection of motor, and the action wheel passes through the belt and drives from the driving wheel rotation, and the diameter of action wheel is less than the diameter from the driving wheel, and the action wheel sets up with the reduction ratio from the driving wheel with the driving wheel, and the action wheel is horizontal direction setting, and skew axle center position is equipped with the articulated seat of eccentric on the eccentric wheel, the one end and the articulated seat swing joint of eccentric of connecting rod, the other end of connecting rod be used for with sieve body swing joint.

2. The wormcast screen driving mechanism according to claim 1, wherein: the fixed seat is provided with a bearing seat, the driven wheel is in running fit with the bearing seat through a bearing, and the driven wheel is flexibly rotated and limited to move up and down through the bearing.

3. The wormcast screen driving mechanism according to claim 1, wherein: the fixing base include the bottom suspension fagging, go up backup pad and stand, the stand setting is between bottom suspension fagging and last backup pad.

4. The wormcast screen driving mechanism according to claim 3, wherein: the motor is fixedly arranged on the lower supporting plate of the fixing seat, an output shaft of the motor is fixedly connected with a rotating shaft of the driving wheel through a coupler, and the rotating shaft of the driving wheel is arranged on the upper supporting plate through a bearing and a bearing seat.

5. The wormcast screen driving mechanism according to claim 1, wherein: the belt tensioning device is characterized in that annular grooves are formed in the periphery of the driving wheel and the driven wheel to limit the vertical movement of the belt, convex rings are arranged in the annular grooves, and the convex rings are tightly attached to the grooves in the inner side of the belt to tension the belt and further limit the vertical movement of the belt.

6. The wormcast screen driving mechanism according to claim 1, wherein: the connecting rod is in running fit with the eccentric hinged seat through a bearing.

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