Earthworm screening device

Abstract

The utility model relates to the technical field of earthworm screening, in particular to an earthworm screening device which comprises a supporting frame, the center of the top of the supporting frame is rotationally connected with an obliquely-arranged screening roller, the bottom of one side of the supporting frame is fixedly connected with a connecting frame, one side of the connecting frame is fixedly connected with a fixing barrel, and the top of the fixing barrel is fixedly connected with a feeding hopper. And the feeding hopper is communicated with the interior of the fixed cylinder. The earthworm screening device has the advantages that earthworms, excrement, soil and other substances input into the screening roller are difficult to directly slide out through the upwards inclined screening roller, so that sufficient rolling screening can be achieved, the screening effect is improved, meanwhile, the screened earthworms can be upwards lifted to the top of the screening roller by lifting the vortex blades, and the screening effect is improved. And meanwhile, by means of a plurality of stirring rods at the bottom, earthworm soil and excrement can be rotationally scattered when the earthworm soil and the excrement are added, and the situation that the excrement is caked, and the screening effect is affected is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of earthworm screening, in particular to an earthworm screening device. Background Art

[0002] At present, earthworm farming is mainly carried out through box-type breeding beds, pool-type breeding beds and trough-type breeding beds. During the breeding process, earthworms will produce vermicompost. After the breeding is mature, the earthworms and vermicompost need to be separated to obtain earthworms.

[0003] In Chinese utility model CN214440710U, a worm screening device is disclosed. The worm screening device is fed by a conveyor and a feeding chute, saving manpower and material resources. The worm castings and earthworms are separated by a drum screen, and the separation effect is good. At present, the worm screening device has been used in factories. However, the worm screening device still has the following problems in use:

[0004] The drum screen of the earthworm screening device is arranged horizontally, and the outlet position is tilted downward, so that earthworms and feces are easily and quickly discharged from the outlet during screening, resulting in a lack of time for screening and discharge, thus affecting the screening efficiency. Utility Model Content

[0005] The purpose of the present invention is to solve at least one of the above technical deficiencies.

[0006] To this end, one purpose of the utility model is to provide an earthworm screening device to solve the problems mentioned in the background technology and overcome the shortcomings of the prior art.

[0007] In order to achieve the above-mentioned objectives, an embodiment of one aspect of the utility model provides an earthworm screening device, comprising a supporting frame, a screening drum is rotatably connected to the center of the top of the supporting frame, a connecting frame is fixedly connected to the bottom of one side of the supporting frame, a fixed cylinder is fixedly connected to one side of the connecting frame, a feeding hopper is fixedly connected to the top of the fixed cylinder, the feeding hopper is communicated with the interior of the fixed cylinder, the fixed cylinder is rotatably connected and communicated with the screening drum, a lifting vortex leaf is fixedly connected to the inner wall of the screening drum, the bottom of the lifting vortex leaf extends into the interior of the fixed cylinder, the outer side of the lifting vortex leaf is fitted with the inner wall of the fixed cylinder, the lifting vortex leaf is fixedly connected to a plurality of stirring rods on one side of the fixed cylinder, a driven gear is fixedly connected to the bottom of the outer wall of the screening drum, a reduction motor is fixedly connected to the center of the bottom of one side of the connecting frame, a driving gear is fixedly connected to the output end of the reduction motor, and the driving gear is meshingly connected to the driven gear.

[0008] Preferably, any of the above schemes has a receiving bucket fixedly connected to the top of the support frame away from the side of the connecting frame, the receiving bucket is at the bottom of the top opening of the screening drum, the receiving bucket is inclined downward, and the width of the top opening of the receiving bucket is greater than the diameter of the top opening of the screening drum.

[0009] The technical effect achieved by adopting the above scheme is that the discharged earthworms can be easily received by the receiving bucket, so as to collect the earthworms in a centralized manner.

[0010] Preferably, any of the above schemes has a manure discharge chute fixedly connected to the bottom of the inner wall of the support frame, and the screening drum is provided with a plurality of filter holes on the inner wall of the support frame, the positions of the plurality of filter holes correspond to the positions of the manure discharge chute, and the length of the manure discharge chute matches the length of the inner wall of the support frame.

[0011] The technical effect achieved by adopting the above scheme is that the sieved feces can be guided to one side through the feces discharge chute to facilitate the centralized collection of feces.

[0012] Preferably, any of the above schemes has a length of the plurality of stirring rods that matches the length of the fixed barrel and the width of the hopper, and the plurality of stirring rods are distributed in a circular array around the center of the fixed barrel.

[0013] The technical effect achieved by adopting the above scheme is that the earthworms, soil and feces can be rotated and broken up when added through the several stirring rods at the bottom, so as to prevent the feces from agglomerating and affecting the screening effect.

[0014] Preferably, according to any of the above schemes, the length of the lifting scroll blade is greater than the length of the screening drum, and the top of the lifting scroll blade corresponds to the top of the screening drum.

[0015] The technical effect achieved by adopting the above scheme is that the lifting vortex blades can lift the earthworms to the outlet at the top of the screening drum so that the earthworms can be discharged.

[0016] Compared with the prior art, the advantages and beneficial effects of the utility model are:

[0017] The earthworm screening device can make it difficult for earthworms, feces, soil and other materials input into the screening drum to directly slide out through the upwardly inclined screening drum, so that sufficient tumbling screening can be obtained, thereby improving the screening effect. At the same time, by lifting the vortex leaves, the screened earthworms can be lifted upward to the top of the screening drum, so that the screened earthworms fall into the receiving bucket and are discharged, thereby improving the screening effect. At the same time, through a plurality of stirring rods at the bottom, the earthworms, soil and feces can be rotated and broken up when they are added, thereby preventing the feces from clumping and affecting the screening effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1It is a structural schematic diagram of the utility model;

[0019] Figure 2 It is a schematic diagram of the top view structure of the utility model;

[0020] Figure 3 For this utility model Figure 2 Schematic diagram of the cross-sectional structure at AA in the middle.

[0021] In the figure: 1-support frame, 2-screening drum, 3-connecting frame, 4-fixed cylinder, 5-feeding hopper, 6-lifting vortex blade, 7-stirring rod, 8-driven gear, 9-receiving bucket, 10-feces discharge slide, 11-reduction motor, 12-driving gear. DETAILED DESCRIPTION

[0022] The present invention is further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0023] Embodiment 1: Figures 1 to 3 As shown, a kind of earthworm screening device comprises a supporting frame 1, at the center of the top of the supporting frame 1, a screening drum 2 which is rotatably connected to an inclined arrangement, a connecting frame 3 is fixedly connected to the bottom of one side of the supporting frame 1, a fixed cylinder 4 is fixedly connected to one side of the connecting frame 3, a feeding hopper 5 is fixedly connected to the top of the fixed cylinder 4, the feeding hopper 5 is communicated with the interior of the fixed cylinder 4, the fixed cylinder 4 is rotatably connected and communicated with the screening drum 2, a lifting vortex leaf 6 is fixedly connected to the inner wall of the screening drum 2, the bottom of the lifting vortex leaf 6 extends into the interior of the fixed cylinder 4, the outer side of the lifting vortex leaf 6 is fitted with the inner wall of the fixed cylinder 4, a plurality of stirring rods 7 are fixedly connected to the lifting vortex leaf 6 on one side of the fixed cylinder 4, a driven gear 8 is fixedly connected to the bottom of the outer wall of the screening drum 2, a reduction motor 11 is fixedly connected to the center of the bottom of one side of the connecting frame 3, a driving gear 12 is fixedly connected to the output end of the reduction motor 11, and the driving gear 12 is meshingly connected to the driven gear 8.

[0024] As an optional technical solution of the utility model, a receiving bucket 9 is fixedly connected to the top of the support frame 1 away from the side of the connecting frame 3. The receiving bucket 9 is at the bottom of the top opening of the screening drum 2. The receiving bucket 9 is inclined downward. The width of the top opening of the receiving bucket 9 is larger than the diameter of the top opening of the screening drum 2. The receiving bucket 9 is used to easily receive the discharged earthworms, so as to collect the earthworms in a centralized manner.

[0025] As an optional technical solution of the present utility model, a manure chute 10 is fixedly connected to the bottom of the inner wall of the support frame 1, and a screening drum 2 is provided with a plurality of filter holes at the position of the inner wall of the support frame 1. The positions of the plurality of filter holes correspond to the positions of the manure chute 10, and the length of the manure chute 10 is matched with the length of the inner wall of the support frame 1. The manure chute 10 can be used to guide the screened feces to one side for the convenience of centralized collection of the feces.

[0026] As an optional technical solution of the utility model, the length of the plurality of stirring rods 7 is adapted to the length of the fixed cylinder 4 and the width of the feeding hopper 5, and the plurality of stirring rods 7 are distributed in a circular array around the center of the fixed cylinder 4. The plurality of stirring rods 7 at the bottom can be used to rotate and break up the earthworms, soil and feces when they are added, so as to prevent the feces from clumping and affecting the screening effect.

[0027] As an optional technical solution of the utility model, the length of the lifting scroll blade 6 is greater than the length of the screening drum 2, and the top of the lifting scroll blade 6 corresponds to the top of the screening drum 2, so that the lifting scroll blade 6 can lift the earthworms to the outlet at the top of the screening drum 2 so that the earthworms can be discharged.

[0028] A kind of earthworm screening device, the working principle is as follows:

[0029] 1) Add earthworms and soil through the feeding hopper 5 and let them enter the fixed cylinder 4;

[0030] 2) The screening drum 2 is driven to rotate by the reduction motor 11, which drives the lifting scroll leaf 6 to rotate. When the lifting scroll leaf 6 rotates, it can drive a number of stirring rods 7 to rotate to break up the added feces, soil, etc.;

[0031] 3) The feces are then screened out through the tumbling screening drum 2, while the earthworms are lifted and discharged through the ascending vortex blades 6.

[0032] To summarize, the earthworm screening device, through the upwardly inclined screening drum 2, can make it difficult for earthworms and materials such as feces and soil input into the screening drum 2 to directly slide out, so that sufficient tumbling screening can be obtained, thereby improving the screening effect; at the same time, by lifting the vortex leaf 6, the screened earthworms can be lifted upward to the top of the screening drum 2, so that the screened earthworms fall into the receiving bucket 9 for discharge, thereby improving the screening effect; at the same time, through the multiple stirring rods 7 at the bottom, the earthworms, soil and feces can be rotated and broken up when they are added, thereby preventing the feces from clumping and affecting the screening effect.

[0033] Although the embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and cannot be understood as limiting the present invention. Those skilled in the art can change, modify, replace and modify the above embodiments within the scope of the present invention without departing from the principles and purpose of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An earthworm screening device, characterized in that: The invention comprises a support frame (1), wherein a slanted screening drum (2) is rotatably connected at the center of the top of the support frame (1), a connecting frame (3) is fixedly connected to the bottom of one side of the support frame (1), a fixed cylinder (4) is fixedly connected to one side of the connecting frame (3), a charging hopper (5) is fixedly connected to the top of the fixed cylinder (4), the charging hopper (5) is connected to the inside of the fixed cylinder (4), the fixed cylinder (4) is rotatably connected and connected to the screening drum (2), and a lifting vortex leaf (6) is fixedly connected to the inner wall of the screening drum (2), and the lifting vortex leaf (6) is fixedly connected to the inner wall of the screening drum (2). The bottom of the vortex blade (6) extends into the interior of the fixed cylinder (4), the outer side of the lifting vortex blade (6) is in contact with the inner wall of the fixed cylinder (4), the lifting vortex blade (6) is fixedly connected to a plurality of stirring rods (7) on one side of the fixed cylinder (4), the bottom of the outer wall of the screening drum (2) is fixedly connected to a driven gear (8), the center of the bottom of one side of the connecting frame (3) is fixedly connected to a reduction motor (11), the output end of the reduction motor (11) is fixedly connected to a driving gear (12), and the driving gear (12) is meshingly connected to the driven gear (8).

2. The earthworm screening device according to claim 1, characterized in that: A receiving bucket (9) is fixedly connected to the top of a side of the support frame (1) away from the connecting frame (3); the receiving bucket (9) is located at the bottom of the top opening of the screening drum (2); the receiving bucket (9) is tilted downward; and the width of the top opening of the receiving bucket (9) is greater than the diameter of the top opening of the screening drum (2).

3. The earthworm screening device according to claim 2, characterized in that: A manure discharge chute (10) is fixedly connected to the bottom of the inner wall of the support frame (1), and a plurality of filter holes are provided at a position of the screening drum (2) on the inner wall of the support frame (1), the positions of the plurality of filter holes correspond to the positions of the manure discharge chute (10), and the length of the manure discharge chute (10) matches the length of the inner wall of the support frame (1).

4. The earthworm screening device according to claim 3, characterized in that: The lengths of the plurality of stirring rods (7) are matched to the length of the fixed cylinder (4) and the width of the feeding hopper (5), and the plurality of stirring rods (7) are distributed in a circular array around the center of the fixed cylinder (4).

5. The earthworm screening device according to claim 4, characterized in that: The length of the lifting scroll leaf (6) is greater than the length of the screening drum (2), and the top of the lifting scroll leaf (6) corresponds to the top of the screening drum (2).

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