CN218108328U - Wheat fine-selection device - Google Patents

Abstract

The utility model discloses a wheat selection device, which comprises a first screening mechanism and a second screening mechanism, the first screening mechanism is arranged above the second screening mechanism, and the discharge end of the first screening mechanism Connected with the feed end of the second screening mechanism, the first screening machine includes a first screening box, the outer wall of the first screening box is fixedly connected with a support arm, and a vibrating screen is installed horizontally in the first screening box. A screen frame, the bottom of the vibrating screen frame is provided with a first sieve plate, the bottom of the vibrating screen frame is connected with a collection box, the bottom of the collection box is connected with a discharge pipe, and the circumferential direction of the vibrating screen frame is fixed A plurality of transmission blocks are connected, and a vibrating motor is fixedly installed on the top of the transmission block. The bottom of the transmission block is elastically connected with the inner bottom wall of the first screening box. The selection device of the utility model effectively improves the wheat screening. effect, and improve the efficiency of wheat screening.

Description

A kind of wheat selection device

technical field

The utility model relates to the technical field of wheat screening devices, in particular to a wheat screening device.

Background technique

In agricultural production, since the wheat will be mixed with impurities such as sand, mud, dust and wheat chaff after receiving the goods, it is necessary to use a wheat selection device to remove impurities and screen the wheat raw materials before processing flour;

The traditional screening device only removes impurities through a single vibration screening method. In order to improve the screening effect, it is necessary to perform multiple screening cycles. The screening efficiency is poor and time-consuming, and the final screened wheat is still prone to impurities.

Contents of the invention

The purpose of the utility model is to provide a wheat selection device to solve the appeal problem.

In order to achieve the above object, the utility model provides the following technical solutions: a wheat selection device, including a first screening mechanism and a second screening mechanism, the first screening mechanism is arranged above the second screening mechanism, the The discharge end of the first screening mechanism communicates with the feed end of the second screening mechanism, the first screening mechanism includes a first screening box, the outer wall of the first screening box is fixedly connected with a support arm, and the first screening box is fixedly connected with a support arm. A vibrating screen frame is horizontally arranged in a screening box, the bottom of the vibrating screen frame is provided with a first sieve plate, the bottom of the vibrating screen frame is connected with a collection box, and the bottom of the collection box is connected with a discharge pipe. A plurality of transmission blocks are fixedly connected to the circumference of the vibrating screen frame, a vibrating motor is fixedly installed on the top of the transmission block, and the bottom of the transmission block is elastically connected to the inner bottom wall of the first screening box.

Preferably, the bottom of the transmission block is provided with a vertical guide hole, and a guide rod is vertically provided in the guide hole, and the bottom of the guide rod is fixedly connected with the bottom wall of the first screening box, so that Rigid springs are movable sleeved on the guide rods, the bottoms of the rigid springs are connected with the transmission block, and the bottoms of the rigid springs are connected with the inner bottom wall of the first screening box.

Further preferably, the second screening mechanism includes a second screening box arranged below the first screening box, the discharge pipe runs through the first screening box and is connected with a feeding hose, and the feeding soft The tube communicates with the top of the second screening box, and a horizontal shaking screen frame is arranged in the second screening box, and a second sieve plate is arranged at the bottom of the shaking screen frame, and the second screening box is fixedly connected with A partition arranged horizontally, the partition is located below the second sieve plate, a circular rotating groove is set in the center of the top of the partition, a turntable is arranged in the rotating groove, and the turntable is fixed at an eccentric position. A first motor is installed, the output shaft of the first motor is coaxially fixedly connected with the second sieve plate, a second motor is fixedly installed at the bottom of the second screening box, and the output shaft of the second motor runs through the The partition is fixedly connected coaxially with the turntable.

Further preferably, the diameter of the shaking screen frame plus the distance from the first motor to the center of the turntable is smaller than the diameter of the second screening box.

Further preferably, an installation groove is opened on the top of the second screening box, and a top cover is arranged in the installation groove, and the material conveying hose runs through the top cover.

Further preferably, a servo electric cylinder is fixedly installed at the inner bottom of the first screening box, and the telescopic rod of the servo electric cylinder penetrates downwards through the bottom wall of the first screening box and is fixedly connected with the top cover.

Still further preferably, there are two servo electric cylinders, and the two servo electric cylinders are controlled synchronously.

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

The selection device of the utility model is provided with a first screening mechanism and a second screening mechanism. The first screening mechanism is provided with a vibration screening mode, and the second screening mechanism is provided with a shaking screening mode. Combined with the two screening modes, wheat first Vibration screening and then shaking screening can effectively remove impurities mixed in wheat and improve the screening quality of wheat.

In the first screening mechanism of the selection device of the utility model, a transmission block is fixedly connected to the side of the vibrating screen frame, a vibration motor is arranged on the transmission block, a guide hole is arranged at the bottom of the transmission block, and a guide rod is arranged in the guide hole. Rigid springs are set on the top, and during the vibration process, the effect of the rigid springs can ensure a good vibration effect of the first screen frame.

The second screening mechanism of the selection device of the utility model is provided with a turntable driven by a second motor, and a second motor is arranged at the eccentric position of the turntable, and the second motor is coaxially fixedly connected with the second sieve plate. This rotation method can effectively improve the screening effect of the second sieve plate.

Description of drawings

Fig. 1 is a kind of wheat selection device structural representation of the utility model;

Fig. 2 is the schematic diagram of enlarged structure of part A in Fig. 1 of the utility model;

In the figure: 1, the first screening mechanism; 101, the first screening box; 102, the support arm; 103, the vibrating screen frame; 104, the first sieve plate; 105, the collection box; 106, the discharge pipe; 107, the transmission block ; 108, vibration motor; 109, guide hole; 110, guide rod; 111, rigid spring; 201, the second screening box; 202, shaking screen frame; 203, the second sieve plate; 206, turntable; 207, first motor; 208, second motor; 209, installation groove; 210, top cover; 3, feeding hose; 4, servo electric cylinder.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Fig. 1-2, the utility model provides an embodiment: a kind of wheat selection device, comprises the first screening mechanism 1 and the second screening mechanism 2, and the first screening mechanism 1 is arranged on the second screening mechanism Above the mechanism 2, the discharge end of the first screening mechanism 1 communicates with the feed end of the second screening mechanism 2, and the first screening mechanism 1 includes a first screening box 101, and the first screening box The outer wall of 101 is fixedly connected with a support arm 102. A vibrating screen frame 103 is horizontally provided in the first screening box 101. A first sieve plate 104 is provided at the bottom of the vibrating screen frame 103. The sieve holes of the first sieve plate 104 The diameter is slightly larger than the particle diameter of wheat, and the bottom of the vibrating screen frame 103 is connected with a collecting box 105, and the bottom of the collecting box 105 is connected with a discharge pipe 106, and the circumferential direction of the vibrating screen frame 103 is fixedly connected with a plurality of Transmission block 107, the top of the transmission block 107 is fixedly equipped with a vibration motor 108, and the bottom of the transmission block 107 is elastically connected to the inner bottom wall of the first screening box 101;

In the first step of wheat screening, the vibrating motor 108 drives the transmission block 107 to vibrate, and the transmission block 107 drives the vibrating screen frame 103 and the first sieve plate 104 to vibrate, and the larger impurities are isolated on the first sieve plate 104 through vibration screening. On, the wheat falls into the collection box 105, and enters in the second screening mechanism 2 through the discharge pipe 106;

Specifically, the bottom of the transmission block 107 is provided with a vertical guide hole 109, and a guide rod 110 is vertically arranged in the guide hole 109, and the bottom of the guide rod 110 is connected with the bottom of the first screening box 101. The bottom wall is fixedly connected, and a rigid spring 111 is movably sleeved on the guide rod 110. The bottom of the rigid spring 111 is connected to the transmission block 107, and the bottom of the rigid spring 111 is connected to the inside of the first screening box 101. Bottom wall connection;

When the vibration motor 108 drives the transmission block 107 to vibrate, under the cooperation of the guide rod 110 and the guide hole 109, the movement frequency of the first sieve plate 104 is consistent and stable, and under the elastic force of the rigid spring 111, the transmission to the first sieve plate 104 is reduced. A vibration effect on the screening box 101 ensures the vibration effect of the vibrating screen frame 103;

Specifically, the second screening mechanism 2 includes a second screening box 201 arranged below the first screening box 101, and the discharge pipe 106 passes through the first screening box 101 and is connected with a delivery hose 3, The conveying hose 3 communicates with the top of the second screening box 201, the second screening box 201 is provided with a horizontal shaking screen frame 202, and the bottom of the shaking screen frame 202 is provided with a second screen plate 203 , the sieve hole diameter of the second sieve plate 203 is slightly larger than the grain size of wheat, and the second sieve box 201 is fixedly connected with a partition plate 204 arranged horizontally, and the partition plate 204 is located below the second sieve plate 203, so A circular rotating slot 205 is provided in the center of the top of the partition plate 204, and a turntable 206 is arranged inside the rotating slot 205. A first motor 207 is fixedly installed on the turntable 206 at an eccentric position, and the output of the first motor 207 The shaft is fixedly connected coaxially with the second sieve plate 203, and a second motor 208 is fixedly installed at the bottom of the second screening box 201, and the output shaft of the second motor 208 passes through the partition 204 and the turntable 206 Coaxial fixed connection;

In the second step of wheat screening, the wheat enters the shaking screen frame 202 through the discharge pipe 106 and the feeding hose 3, and the second motor 208 drives the turntable 206 to rotate, thereby driving the second sieve plate 203 to rotate around the center of the turntable 206, At the same time, the first motor 207 drives the second sieve plate 203 to rotate. Combining the two rotation effects, the small impurities in the wheat can be effectively removed, and combined with the effect of the first screening mechanism 1 taking out larger impurities, the wheat screening can be effectively improved. effect, while reducing the time-consuming screening work;

Specifically, the diameter of the shaking screen frame 202 plus the distance from the first motor 207 to the center of the turntable 206 is smaller than the diameter of the second screening box 201 to ensure smooth movement of the shaking screen frame 202 and avoid shaking The screen frame 202 touches the inner wall c of the second screening box 201;

Specifically, the top of the second screening box 201 is provided with an installation groove 209, and the installation groove 209 is provided with a top cover 210, and the delivery hose 3 runs through the top cover 210, and the top cover 210 can be detachably opened. , easy for operators to overhaul;

Specifically, the bottom of the first screening box 101 is fixed with a servo electric cylinder 4, and the telescopic rod of the servo electric cylinder 4 penetrates downward through the bottom wall of the first screening box 101 and is fixedly connected with the top cover 210, The top cover 210 is opened with power provided by the servo electric cylinder 4, and the working method of opening the top cover 210 is simplified;

Specifically, there are two servo electric cylinders 4, and the two servo electric cylinders 4 are synchronously controlled to ensure the stability of the top cover 210 when it is opened and moved.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. A wheat selection device, characterized in that it includes a first screening mechanism (1) and a second screening mechanism (2), and the first screening mechanism (1) is set on the second screening mechanism (2) above, the discharge end of the first screening mechanism (1) communicates with the feed end of the second screening mechanism (2), and the first screening mechanism (1) includes a first screening box (101), An arm (102) is fixedly connected to the outer wall of the first screening box (101), and a vibrating screen frame (103) is horizontally arranged in the first screening box (101), and the bottom of the vibrating screen frame (103) A first sieve plate (104) is provided, a collection box (105) is connected to the bottom of the vibrating screen frame (103), a discharge pipe (106) is connected to the bottom of the collection box (105), and the vibrating screen The circumference of the frame (103) is fixedly connected with a plurality of transmission blocks (107), the top of the transmission block (107) is fixed with a vibration motor (108), and the bottom of the transmission block (107) is connected with the first The inner bottom wall of the screening box (101) is elastically connected. 2. A wheat sorting device according to claim 1, characterized in that: the bottom of the transmission block (107) is provided with a vertically arranged guide hole (109), and the inside of the guide hole (109) is vertically A guide rod (110) is arranged directly, the bottom of the guide rod (110) is fixedly connected with the bottom wall of the first screening box (101), and a rigid spring (111) is movable on the guide rod (110). ), the bottom of the rigid spring (111) is connected to the transmission block (107), and the bottom of the rigid spring (111) is connected to the inner bottom wall of the first screening box (101). 3. The wheat selection device according to claim 1, characterized in that: the second screening mechanism (2) comprises a second screening box (201) arranged below the first screening box (101) , the discharge pipe (106) runs through the first screening box (101) and is connected with a delivery hose (3), and the delivery hose (3) communicates with the top of the second screening box (201) , the second screening box (201) is provided with a horizontal shaking screen frame (202), the bottom of the shaking screen frame (202) is provided with a second sieve plate (203), and the second screening box (201 ) is fixedly connected with a horizontal partition (204), the partition (204) is located below the second sieve (203), and the center of the top of the partition (204) is provided with a circular rotating groove ( 205), a turntable (206) is provided in the rotation slot (205), and a first motor (207) is fixedly installed on the turntable (206) at an eccentric position, and the output shaft of the first motor (207) is connected to the The second sieve plate (203) is fixedly connected coaxially, and the bottom of the second screening box (201) is fixedly installed with a second motor (208), and the output shaft of the second motor (208) passes through the partition (204) is coaxially and fixedly connected with the turntable (206). 4. The wheat selection device according to claim 3, characterized in that: the diameter of the shaking screen frame (202) plus the distance from the first motor (207) to the center of the turntable (206) smaller than the diameter of the second screening box (201). 5. A wheat selection device according to claim 3, characterized in that: the top of the second screening box (201) is provided with an installation groove (209), and the installation groove (209) is provided with a top A cover (210), the feeding hose (3) runs through the top cover (210). 6. A wheat selection device according to claim 5, characterized in that: the inner bottom of the first screening box (101) is fixed with a servo electric cylinder (4), and the servo electric cylinder (4) The telescopic rod penetrates downwards through the bottom wall of the first screening box (101) and is fixedly connected with the top cover (210). 7. A wheat sorting device according to claim 6, characterized in that: there are two servo electric cylinders (4), and the two servo electric cylinders (4) are synchronously controlled.

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