Screening device for primary processing of agricultural products

Abstract

The utility model relates to the technical field of wheat screening, and discloses a screening device for primary processing of agricultural products, which comprises a screening box, a discharge port is arranged in the middle of the bottom of the screening box, a lifting cover is movably mounted in the screening box, and a screening mechanism is mounted in the lifting cover; the screening mechanism comprises a rotating groove formed in one side of the inner wall of the lifting cover. According to the technical scheme, the driving motor drives the half gear to rotate, the gear ring meshed with the half gear can drive the screening cover to horizontally rotate in the direction of the rotating groove, so that the spring installed on the screening cover is in a rolling state, on the contrary, after teeth on the half gear are separated from the gear ring, the rolled spring can drive the screening cover to reset in the direction of the rotating groove, and the screening effect is improved. The motor continuously drives the half gear to rotate, the screening cover in the lifting cover can be driven to rotate in a reciprocating mode in the horizontal direction, wheat raw materials in the screening cover can be driven to shake, the wheat raw material screening efficiency is greatly improved, and material accumulation in the screening cover is effectively avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the wheat screening technical field, concretely is a screening device for primary processing of agricultural products. BACKGROUND

[0002] At present, in the primary processing of agricultural products, the screening of wheat and other grains is a crucial link, and the traditional wheat screening device has many deficiencies, which affects the screening efficiency and effect.

[0003] Among them, the traditional screening device is prone to material accumulation during screening, which not only affects the continuity of screening, but also may cause unstable quality of screened materials, and even damage the screening equipment. In order to solve this problem, the traditional screening device often needs to be equipped with a complex cleaning device or increase the frequency of manual cleaning, which undoubtedly increases the complexity of the equipment and the operation cost;

[0004] In addition, the traditional screening device also has certain limitations in the treatment of impurities after screening. In the screening process, the bran, stones and other impurities in the wheat raw materials need to be effectively separated and cleaned out. However, the impurity treatment part of the traditional screening device is often not designed reasonably, making the impurity cleaning process tedious and time-consuming, reducing the efficiency of the whole screening process.

[0005] Therefore, we propose a screening device for primary processing of agricultural products, which can effectively avoid material accumulation and facilitate impurity treatment. UTILITY MODEL CONTENT

[0006] The utility model aims at providing a screening device for primary processing of agricultural products, which solves the problems raised in the background art.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a screening device for primary processing of agricultural products, comprising a screening box, a discharge port is formed in the middle of the bottom of the screening box, a lifting cover is movably installed inside the screening box, a screening mechanism is installed inside the lifting cover;

[0008] The screening mechanism comprises a rotating groove formed on one side of the inner wall of the lifting cover, a rotating ring rotatably installed in the rotating groove, a screening cover fixedly installed on the inner side of the rotating ring, a fixed ring fixedly installed in the middle of the inner wall of the lifting cover, a spring fixedly installed on the top of the fixed ring, a gear ring fixedly installed on the bottom of the screening cover, and a half gear meshed with the gear ring.

[0009] Optionally, the other side of the spring is fixedly installed with the side wall of the rotating ring, and the cross-sectional area of the top of the screening cover is greater than that of the bottom of the screening cover.

[0010] Optionally, the outer wall of the screening cover is fixedly provided with a vibration motor at the bottom, and the bottom of the screening cover is provided with a quick-release assembly.

[0011] By adopting the above technical scheme, the material in the screening cover can be screened.

[0012] Optionally, the quick-release assembly comprises a plurality of groups of insertion slots equidistantly arranged on the outer side of the bottom of the screening cover, magnetic blocks inserted and mounted in the plurality of groups of insertion slots, and a filter cover fixedly mounted on the top of the plurality of groups of magnetic blocks, wherein the filter cover is in a concave shape.

[0013] By adopting the above technical scheme, the filter cover is convenient to install and disassemble.

[0014] Optionally, the motor is fixedly installed at one end of the side wall of the lifting cover, the driving output end of the motor is in transmission connection with the transmission shaft, and the other end of the transmission shaft is fixedly installed with a half gear shaft.

[0015] By adopting the above technical scheme, the half gear can be driven to rotate.

[0016] Optionally, the electric push rods are fixedly installed on both sides of the screening box, and the top portions of the two groups of electric push rods are fixedly installed with the two sides of the lifting cover, respectively.

[0017] By adopting the above technical scheme, the lifting cover can be pushed to move up and down.

[0018] Compared with the prior art, the technical scheme of the present application has the following advantages:

[0019] The technical scheme of the present application drives the half gear to rotate by the driving motor, the gear ring engaged with the half gear drives the screening cover to rotate horizontally along the direction of the rotating groove, so that the spring installed on the screening cover is in a winding state, and vice versa, when the teeth of the half gear are separated from the gear ring, the wound spring drives the screening cover to reset along the direction of the rotating groove, the lifting cover in the half gear can be driven to reciprocate horizontally, the screening cover inside the lifting cover can be driven to shake, the screening efficiency of the wheat raw material is greatly improved, and the accumulation of the wheat raw material in the screening cover is effectively avoided.

[0020] A plurality of groups of insertion slots equidistantly arranged on the outer side of the bottom of the screening cover are provided, and the magnetic blocks are inserted and mounted in the plurality of groups of insertion slots, when the operator screens the quantitative wheat raw material, the filter cover installed on the bottom side of the screening cover can be pulled out, the chaff and stones in the filter cover are poured out, the impurities in the filter cover are quickly cleaned, the magnetic blocks at the bottom of the filter cover correspond to the insertion slots at the bottom of the screening cover, and each pair of magnetic blocks has magnetic attraction, so that the filter cover can be conveniently installed and has good firmness. BRIEF DESCRIPTION OF DRAWINGS

[0021] Other features, objects, and advantages of the application will become more apparent by reading the following non-restrictive detailed description of embodiments thereof made with reference to the annexed drawings:

[0022] Fig. 1 It is the overall structure schematic view of the screening device for the primary processing of agricultural products of the application;

[0023] Fig. 2 It is the screening cover structure schematic view of the screening device for the primary processing of agricultural products of the application;

[0024] Fig. 3 It is the gear ring and half gear structure schematic view of the screening device for the primary processing of agricultural products of the application.

[0025] In the figure: 1, screening box; 11, discharge port; 12, lifting cover; 2, rotating groove; 21, rotating ring; 22, screening cover; 23, fixed ring; 24, spring; 25, half gear; 26, gear ring; 3, insertion slot; 31, magnetic block; 32, filter cover; 33, motor; 34, electric push rod. DETAILED DESCRIPTION

[0026] Please refer to Figs. 1-3 The application provides a technical scheme: a screening device for the primary processing of agricultural products, which comprises a screening box 1, the bottom middle of the screening box 1 is provided with a discharge port 11, the inside of the screening box 1 is movably provided with a lifting cover 12, and the inside of the lifting cover 12 is provided with a screening mechanism;

[0027] The screening mechanism comprises a rotating groove 2 formed in one side of the inner wall of the lifting cover 12, a rotating ring 21 rotatably installed in the rotating groove 2, a screening cover 22 fixedly installed on the inner side of the rotating ring 21, a fixed ring 23 fixedly installed in the middle of the inner wall of the lifting cover 12, a spring 24 fixedly installed on the top of the fixed ring 23, a gear ring 26 fixedly installed on the bottom of the screening cover 22, and a half gear 25 engaged with the gear ring 26, the other side of the spring 24 is fixedly installed with the side wall of the rotating ring 21, the top cross-sectional area of the screening cover 22 is greater than the bottom cross-sectional area of the screening cover 22, and the bottom of the outer wall of the screening cover 22 is fixedly provided with a vibration motor 33.

[0028] The half gear 25 is driven to rotate by the driving motor 33, the gear ring 26 engaged with the half gear 25 drives the screening cover 22 to rotate horizontally along the direction of the rotating groove 2, so that the spring 24 installed on the screening cover 22 is in a winding state, and vice versa, when the teeth of the half gear 25 are separated from the gear ring 26, the wound spring 24 drives the screening cover 22 to reset along the direction of the rotating groove 2, the lifting cover 12 in the screening cover 22 is driven to reciprocate horizontally along the direction of the rotating groove 2, the inside of the screening cover 22 is driven to shake, the screening efficiency of the wheat raw materials is greatly improved, and the accumulation of materials in the screening cover 22 is effectively avoided.

[0029] In this technical solution, the quick release assembly is installed at the bottom of the screening cover 22, which includes a plurality of sets of equidistantly distributed insertion slots 3 opened outside the bottom of the screening cover 22, magnetic blocks 31 inserted and installed in the plurality of sets of insertion slots 3, and filter covers 32 fixedly installed at the top of the plurality of sets of magnetic blocks 31. The filter cover 32 is in a concave shape, which facilitates the installation and disassembly of the filter cover 32.

[0030] When the operator screens the quantitative wheat raw materials, the filter cover 32 installed at the bottom of the screening cover 22 can be pulled out, the wheat chaff and stones in the filter cover 32 can be poured out, and the impurities in the filter cover 32 can be quickly cleaned. The magnetic blocks 31 at the bottom of the filter cover 32 correspond to the insertion slots 3 at the bottom of the screening cover 22, and each pair has magnetic attraction, which can ensure that the filter cover 32 is very convenient to install and has good firmness.

[0031] In this technical solution, the two sides of the screening box 1 are fixedly installed with electric push rods 34, and the top of the two sets of electric push rods 34 is fixedly installed with the two sides of the lifting cover 12, which can drive the lifting cover 12 to move up and down.

[0032] When the screened materials continue to increase, the operator can drive the two sets of electric push rods 34 to push the lifting cover 12 to rise, so as to increase the internal volume of the screening box 1 and further increase the material storage space.

[0033] In this technical solution, the electric motor 33 is fixedly installed at one end of the side wall of the lifting cover 12, the driving output end of the electric motor 33 is in transmission connection with the transmission shaft, and the other end of the transmission shaft is fixedly installed with the shaft of the half gear 25, which can drive the half gear 25 to rotate.

[0034] By driving the electric motor 33 to rotate the half gear 25, the gear ring 26 installed in meshing with the half gear 25 will drive the screening cover 22 to rotate horizontally along the direction of the rotating groove 2, so as to improve the screening efficiency of the screening cover 22.

[0035] In use, first by pouring a large amount of wheat raw materials into the screening box 1, the vibration motor 33 installed on the drive screening cover 22, can be screened inside the wheat raw materials cover 22, the qualified wheat through the filter cover 32 on the filter hole, while the volume of wheat bran and stones left in the filter cover 32, at the same time in the drive motor 33 gear 25 rotation, with half gear 25 meshing installed ring 26 will drive the screening cover 22 along the direction of the rotating groove 2 horizontal rotation, make the spring 24 installed on the screening cover 22 in the winding state, otherwise when the half gear 25 tooth and gear ring 26 separate, the winding spring 24 will drive the screening cover 22 along the direction of the rotating groove 2 reset, with the motor 33 constantly driven half gear 25 rotation, can drive the lifting cover 12 inside the screening cover 22 horizontal reciprocating rotation, can drive the screening cover 22 inside the wheat raw materials shaking, greatly improve the screening efficiency of wheat raw materials, effectively avoid the accumulation of material in the screening cover 22, at the same time through the screening cover 22 bottom outside set up with multiple groups of equidistant distribution of the slot 3, and multiple groups of slot 3 are inserted in the installation of the magnetic block 31, when the operator on the quantitative wheat raw materials screening, can pull out the filter cover 32 installed inside the screening cover 22 bottom side, the filter cover 32 inside the wheat bran and stones pour out, quickly clean the impurities in the filter cover 32, with the filter cover 32 bottom magnetic block 31 and the screening cover 22 bottom slot 3 corresponding to each other, and two two have magnetic force adsorption, can guarantee the filter cover 32 installation is very convenient, has good firmness.

Claims

1. A screening device for primary processing of agricultural products, comprising a screening box (1), characterized in that: The screening box (1) has a discharge port (11) in the middle of the bottom. A lifting cover (12) is movably installed inside the screening box (1). A screening mechanism is installed inside the lifting cover (12). The screening mechanism includes a rotating groove (2) opened on one side of the inner wall of the lifting cover (12), a rotating ring (21) rotatably installed in the rotating groove (2), a screening cover (22) fixedly installed inside the rotating ring (21), a fixing ring (23) fixedly installed in the middle of the inner wall of the lifting cover (12), a spring (24) fixedly installed on the top of the fixing ring (23), a toothed ring (26) fixedly installed at the bottom of the screening cover (22), and a half gear (25) meshing with the toothed ring (26).

2. The screening device for primary processing of agricultural products according to claim 1, characterized in that: The spring (24) is fixedly installed on the other side of the rotating ring (21) and the top cross-sectional area of ​​the screening cover (22) is larger than the bottom cross-sectional area of ​​the screening cover (22).

3. The screening device for primary processing of agricultural products according to claim 1, characterized in that: A vibration motor (33) is fixedly installed on the bottom of the outer wall of the screening cover (22), and a quick-release assembly is installed on the bottom of the screening cover (22).

4. A screening device for primary processing of agricultural products according to claim 3, characterized in that: The quick-release assembly includes multiple sets of equally spaced slots (3) on the outer side of the bottom of the screening cover (22), magnetic blocks (31) inserted into each set of slots (3), and a filter cover (32) fixedly installed on the top of the multiple sets of magnetic blocks (31), the filter cover (32) being concave.

5. A screening device for primary processing of agricultural products according to claim 1, characterized in that: A motor (33) is fixedly installed on one end of the side wall of the lifting cover (12). The output end of the motor (33) is connected to the transmission shaft, and the other end of the transmission shaft is fixedly installed on the central shaft of the half gear (25).

6. A screening device for primary processing of agricultural products according to claim 1, characterized in that: Electric push rods (34) are fixedly installed on both sides of the screening box (1), and the tops of the two sets of electric push rods (34) are fixedly installed on both sides of the lifting cover (12).

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