Wheat screening device

Abstract

The utility model discloses a wheat screening device, and relates to the technical field of wheat screening devices. A wheat screening device comprises a first rack, a second rack, a fan, a screening chamber, a vibration motor, a screen and a locking piece. The rack I and the rack II are arranged at an interval; the fan is fixed on the rack II; the screening chamber is fixed to the first rack and comprises two side plates, two guide inclined plates and two horizontal table plates. The two side plates are arranged at intervals; the two guide inclined plates are symmetrically fixed between the two side plates at intervals, and a discharging opening is formed in the bottoms of the two guide inclined plates; the two horizontal platens are fixed between the two side plates and located on the two sides of the two guide inclined plates. The screen is arranged at the top of the screening chamber and comprises a screen plate and screen side plates fixed to the two sides of the screen plate. According to the wheat screening device, light impurities such as small broken stones and wheat straw fragments can be completely removed through one-time impurity removing operation, and the wheat screening device is simple and convenient to use.

Description

Technical Field

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

[0002] Before fine processing, wheat needs to be further cleaned, such as removing small gravels that are not easy to find and light impurities such as straw fragments mixed in the wheat. In this regard, the inventor believes that how to remove the above impurities in one clean-up operation is a technical problem that technicians in this field need to solve urgently.

[0003] The information disclosed in this background technology section is only intended to increase the understanding of the overall background of the present invention, and should not be regarded as acknowledging or suggesting in any form that the information constitutes the prior art already known to a person skilled in the art. Utility Model Content

[0004] In view of the above technical problems, an embodiment of the utility model provides a wheat screening device to solve the problems raised in the above background technology.

[0005] The utility model provides the following technical solutions:

[0006] A wheat screening device comprises: a frame 1, a frame 2, a fan, a screening chamber, a vibration motor, a screen and a locking member;

[0007] Rack 1 and rack 2 are arranged at intervals; the fan is fixed on rack 2;

[0008] The screening chamber is fixed on the frame 1, and the screening chamber includes two side plates, two guide inclined plates and two horizontal platform plates;

[0009] The two side plates are arranged at intervals; the two guide inclined plates are symmetrically fixed between the two side plates, and the bottoms of the two guide inclined plates form a material discharge port; the two horizontal platform plates are fixed between the two side plates and located on both sides of the two guide inclined plates;

[0010] The screen is arranged on the top of the screening chamber, and the screen comprises a screen plate and screen side plates fixed on both sides of the screen plate;

[0011] The screen plate is overlapped on two horizontal platform plates and the screen side plates are low connected to the inner sides of the two side plates;

[0012] The locking members include a plurality of locking members, which are arranged on the two side plates, and are used to fasten the screen side plates to the side plates;

[0013] The vibration motor is fixed outside the screening chamber.

[0014] Preferably, the locking member includes a mounting seat, a U-shaped plate, a hook rod, a guide post, a spring, a nut and a handle;

[0015] The mounting base is fixed to the outside of the side panel;

[0016] The two arms of the U-shaped plate are hinged on both sides of the mounting base;

[0017] The guide post is fixed between the two arms of the U-shaped plate, and a radially penetrating guide hole is provided on the guide post;

[0018] The hook rod comprises a straight rod body and a hook body, wherein the straight rod body of the hook rod is inserted into the guide hole of the guide column; a through hole matching with the hook body is arranged on the side plate, and the hook body can pass through the through hole on the side plate;

[0019] The spring sleeve is arranged on the straight rod body of the hook rod and is located below the guide column. The tail of the straight rod body of the hook rod is provided with an external thread, and the external thread at the tail of the straight rod body is connected with a nut;

[0020] The handle is fixed to the U-shaped plate.

[0021] Preferably, a baffle is provided on the screen at a side away from the fan.

[0022] Preferably, two symmetrical triangular steels are arranged on the frame below the unloading port of the screening chamber, the vertical upright plates of the two triangular steels form a limiting structure, the bottom horizontal plates of the two triangular steels form a slide, and a recovery box is slidably arranged on the slide.

[0023] Preferably, the screening chamber is fixed to the frame 1 via an elastic airbag.

[0024] A wheat screening device provided by an embodiment of the utility model has the following beneficial effects: The utility model designs a wheat screening device, which can remove light impurities such as small gravel and straw fragments in one impurity removal operation, which is simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a structural schematic diagram of the utility model from angle 1;

[0026] Figure 2 This is a structural schematic diagram of the utility model from angle 2;

[0027] Figure 3 This is a schematic diagram of the structure of the utility model after the screen is removed;

[0028] Figure 4 For this utility model Figure 2 A partial enlarged view of middle A;

[0029] Figure 5 For this utility model Figure 2 A partial enlarged view of B. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0031] See also Figure 1-Figure 5 .

[0032] In view of the problems mentioned in the above background technology, the embodiment of the utility model provides a wheat screening device to solve the above technical problems, and its technical solution is as follows:

[0033] A wheat screening device, comprising: a frame 100, a frame 200, a fan 300, a screening chamber 400, a vibration motor, a screen 700 and a locking member 800; wherein the vibration motor is not marked with a lead line in each drawing;

[0034] The rack 1 100 and the rack 2 200 are arranged at intervals; the structural shapes of the rack 1 100 and the rack 2 200 are not specifically limited and are specifically designed according to actual conditions; wherein, the rack 1 100 and the rack 2 200 are arranged at intervals mainly to prevent the vibration motor from affecting the normal use of the fan 300 on the rack 2 200;

[0035] The fan 300 is fixed on the rack 200; two fans 300 are arranged in an array, and the speed of the motor in the fan 300 is controlled to meet the air volume to blow away light impurities such as straw fragments, but not to blow away wheat;

[0036] The screening chamber 400 is fixed on the frame 100, and the screening chamber 400 includes two side panels 410, two guide inclined panels 430 and two horizontal platform panels 420;

[0037] The two side plates 410 are arranged at intervals; the two guide inclined plates 430 are symmetrically fixed between the two side plates 410, and the bottoms of the two guide inclined plates 430 form a material discharge port; the two horizontal platform plates 420 are fixed between the two side plates 410 and located on both sides of the two guide inclined plates 430;

[0038] The screen 700 is arranged on the top of the screening chamber 400, and the screen 700 includes a screen plate 710 and screen side plates 720 fixed on both sides of the screen plate 710; the screen hole diameter on the screen plate 710 is smaller than the length of the wheat;

[0039] The mesh plate 710 is overlapped on the two horizontal platform plates 420 and the screen side plates 720 are low connected to the inner sides of the two side plates 410;

[0040] The locking member 800 includes a plurality of locking members 800, and the plurality of locking members 800 are disposed on the two side plates 410, and the locking members 800 are used to fasten the screen side plate 720 to the side plate 410;

[0041] The vibration motor is fixed outside the screening chamber 400 ; the vibration frequency of the vibration motor is controlled so that the wheat can be slightly vibrated to separate the wheat from the small gravel, thereby preventing the wheat from being vibrated out of the screening chamber 400 .

[0042] The working method of a wheat screening device provided by the embodiment of the utility model is as follows:

[0043] 1. The wheat is poured onto the screen 700 at the top of the screening chamber 400, and the vibration motor and fan 300 work;

[0044] 2. The vibration motor works to vibrate the wheat, and the small gravel falls to the ground through the sieve holes on the screen 700, thereby separating the wheat from the small gravel;

[0045] 3. The fan 300 works to blow away light impurities such as straw fragments mixed in the wheat from the wheat;

[0046] 4. After the wheat screening operation is completed, the locking piece 800 is opened to loosen the screen 700, and the screen 700 is tilted so that the wheat on the screen 700 falls out from the discharge port of the screening chamber 400 for collection.

[0047] In this embodiment, the locking member 800 includes a mounting seat 810, a U-shaped plate 820, a hook rod 830, a guide post 840, a spring 850, a nut 860 and a handle 870;

[0048] The mounting seat 810 is fixed to the outside of the side plate 410;

[0049] The two arms of the U-shaped plate 820 are hinged on both sides of the mounting base 810;

[0050] The guide post 840 is fixed between the two arms of the U-shaped plate 820, and a radially penetrating guide hole is provided on the guide post 840;

[0051] The hook rod 830 includes a straight rod body and a hook body. The straight rod body of the hook rod 830 is inserted into the guide hole of the guide column 840. A through hole matching the hook body is provided on the side plate 410, and the hook body can pass through the through hole on the side plate 410.

[0052] The spring 850 is sleeved on the straight rod body of the hook rod 830 and is located below the guide column 840. The tail of the straight rod body of the hook rod 830 is provided with an external thread, and the external thread at the tail of the straight rod body is connected with a nut 860.

[0053] The handle 870 is fixed to the U-shaped plate 820 .

[0054] The operator operates the handle 870 to open and lock the locking member 800. When the screen 700 is placed on the top of the screening chamber 400, the handle 870 is pressed down to move the hook rod 830 downward, and the hook body on the hook rod 830 hooks the screen side plates 720 on both sides of the screen 700 to lock it; when the handle 870 is rotated in the opposite direction to lift it, the hook rod 830 moves up to separate the hook body from the screen side plates 720.

[0055] In this embodiment, a baffle 730 is provided on the side of the screen 700 away from the fan 300; the baffle 730 is provided to facilitate the operator to drag the screen 700. At the same time, the baffle 730 plays a shielding role on one side of the screening chamber 400 to prevent the wheat from escaping from this side and overflowing the screening chamber 400 when vibrating.

[0056] In this embodiment, two symmetrical triangular steels 610 are arranged on the frame 100 below the discharge port of the screening chamber 400. The vertical upright plates of the two triangular steels 610 form a limiting structure, and the bottom horizontal plates of the two triangular steels 610 form a slideway. A recovery box 620 is slidably arranged on the slideway; the recovery box 620 is convenient for recovering wheat.

[0057] In this embodiment, the screening chamber 400 is fixed on the frame 100 via an elastic airbag 500 .

[0058] In this embodiment, a limiting plate 400 a is provided inside the side plate 410 for receiving the screen 700 .

[0059] A wheat screening device provided by an embodiment of the utility model has the following beneficial effects: The utility model designs a wheat screening device, which can remove light impurities such as small gravel and straw fragments in one impurity removal operation, which is simple and convenient.

[0060] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, and may be located in one place or distributed over multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0061] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0062] It is understandable that those skilled in the art can make equivalent substitutions or changes based on the technical solution and concept of the utility model, and all these changes or substitutions should fall within the protection scope of the claims attached to the utility model.

Claims

1. A wheat screening device, characterized in that: include: Frame 1, frame 2, fan, screening chamber, vibration motor, screen and locking parts; Rack 1 and rack 2 are arranged at intervals; the fan is fixed on rack 2; The screening chamber is fixed on the frame 1, and the screening chamber includes two side plates, two guide inclined plates and two horizontal platform plates; The two side plates are arranged at intervals; the two guide inclined plates are symmetrically fixed between the two side plates, and the bottoms of the two guide inclined plates form a material discharge port; the two horizontal platform plates are fixed between the two side plates and located on both sides of the two guide inclined plates; The screen is arranged on the top of the screening chamber, and the screen comprises a screen plate and screen side plates fixed on both sides of the screen plate; The screen plate is overlapped on two horizontal platform plates and the screen side plates are low connected to the inner sides of the two side plates; The locking members include a plurality of locking members, which are arranged on the two side plates, and are used to fasten the screen side plates to the side plates; The vibration motor is fixed outside the screening chamber.

2. The wheat screening device according to claim 1, characterized in that: The locking member comprises a mounting seat, a U-shaped plate, a hook rod, a guide post, a spring, a nut and a handle; The mounting base is fixed to the outside of the side panel; The two arms of the U-shaped plate are hinged on both sides of the mounting base; The guide post is fixed between the two arms of the U-shaped plate, and a radially penetrating guide hole is provided on the guide post; The hook rod comprises a straight rod body and a hook body, wherein the straight rod body of the hook rod is inserted into the guide hole of the guide column; a through hole matching with the hook body is arranged on the side plate, and the hook body can pass through the through hole on the side plate; The spring sleeve is arranged on the straight rod body of the hook rod and is located below the guide column. The tail of the straight rod body of the hook rod is provided with an external thread, and the external thread at the tail of the straight rod body is connected with a nut; The handle is fixed to the U-shaped plate.

3. The wheat screening device according to claim 1, characterized in that: A baffle is arranged on the side of the screen away from the fan.

4. The wheat screening device according to claim 1, characterized in that: Two symmetrical triangular steels are arranged on the frame below the unloading port of the screening chamber. The vertical upright plates of the two triangular steels form a limiting structure, and the bottom horizontal plates of the two triangular steels form a slideway, and a recovery box is slidably arranged on the slideway.

5. The wheat screening device according to claim 1, characterized in that: The screening chamber is fixed on the frame 1 through an elastic air bag.

Images