Automatic impurity removing and dust removing device for husked rice separating screen

Abstract

According to the technical scheme, the automatic impurity removing and dust removing device of the husked rice separating screen comprises a mounting frame, a rotatable connecting plate is arranged at the top of one side of the mounting frame, the separating screen which reciprocates front and back is arranged on the connecting plate, an air cylinder which stretches and retracts left and right is further arranged on the mounting frame, and the air cylinder is connected with the husked rice separating screen. A brush used for cleaning the screen face of the separating screen is arranged at the output end of the air cylinder, the separating screen turns over in the telescopic direction of the air cylinder, and the horizontal height of the lowest point of the brush is smaller than the horizontal height of the screen face after the separating screen is turned over. According to the utility model, husked rice separation is carried out through the separation sieve which reciprocates back and forth, crops are firstly collected through overturning of the separation sieve after separation until the separation sieve is overturned by 180 degrees, the hairbrush is driven by the air cylinder to clean the sieve surface of the separation sieve from the outer sieve surface of the separation sieve, and impurities fall from the inner sieve surface of the separation sieve under the action of gravity; and then impurity removal and dust removal are completed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of grain and chaff separating screen, specifically to a grain and chaff separating screen automatic impurity cleaning and dust removing device. BACKGROUND

[0002] The grain and chaff separating screen is mainly used for processing rice and separating brown rice and unhulled rice, but during the operation, the screen surface of the grain and chaff separating screen will be blocked by impurities such as rice hulls and dust after long-term use, which will affect the separation efficiency. CONTENT

[0003] In view of the deficiencies in the prior art, the utility model aims at providing a grain and chaff separating screen automatic impurity cleaning and dust removing device.

[0004] In order to achieve the above-mentioned purpose, the utility model is technical scheme as follows:

[0005] A grain and chaff separating screen automatic impurity cleaning and dust removing device, including the mounting bracket, the mounting bracket one side top is provided with rotatable connecting plate, be provided with the separating screen that reciprocates forwards and backwards on the connecting plate, still be provided with the pneumatic cylinder that stretches out or draws back left and right on the mounting bracket, the pneumatic cylinder output is provided with the brush for cleaning the screen surface of separating screen, the separating screen is along the direction of pneumatic cylinder extension and retraction and is turned over, and the horizontal height of the lowest point of brush is lower than the horizontal height of the screen surface after the separating screen is turned over.

[0006] Preferably, the horizontal height of the separating screen after turning over is reduced.

[0007] Preferably, the brush is made of high-temperature-resistant and anti-static nylon bristles.

[0008] Preferably, the pneumatic cylinder output is provided with a first horizontal plate, the bottom of the first horizontal plate is fixed with a telescopic rod, the bottom of the telescopic rod is provided with a second horizontal plate connected with the brush, and a pressure spring is wound on the telescopic rod.

[0009] Preferably, the bottom of the mounting bracket is slidably provided with a collection box that can be separated from the mounting bracket.

[0010] Preferably, the connecting plate is fixed with a fixed plate, a drive motor is installed on the outer side of the fixed plate, a turntable is transmissionally arranged in the fixed plate at the output end of the drive motor, a sliding plate is slidably arranged in the fixed plate and is meshingly connected with the turntable, and the sliding plate is connected with the separating screen.

[0011] Preferably, a drive motor is installed on the mounting bracket, a driving gear is transmissionally arranged at the output end of the drive motor, and a driven gear is fixed at the end of the connecting plate and is meshed with the driving gear.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1. The utility model discloses a front and back reciprocating motion's separate screen carries out the separation of the grain, and after the separation, the crop is collected first through the overturning of the separate screen, until the separate screen overturns 180 DEG, and the brush is driven from the external screen surface of the separate screen to the screen surface of the separate screen through the cylinder, and the impurities can fall from the internal screen surface of the separate screen through the gravity effect, and then the impurity removing and dust removing work is completed, and the separation efficiency of the separate screen is ensured.

[0014] 2. The utility model discloses a proper pressure is provided through the pressure spring, thereby ensuring that the impurities on the screen surface can be cleaned thoroughly, and the effectiveness of the cleaning work is improved. DRAWINGS

[0015] The disclosure of the utility model is explained with reference to the drawings. It should be understood that the drawings are only for illustrative purposes, and are not intended to limit the protection scope of the utility model. In the drawings, the same reference signs are used to refer to the same parts. Among them:

[0016] Figure 1 It is the whole structure schematic of the utility model Figure 1 ;

[0017] Figure 2 It is the whole structure schematic of the utility model Figure 2 ;

[0018] Figure 3 It is the structure schematic of the utility model connecting plate

[0019] Figure 4 It is the structure schematic of the utility model cylinder.

[0020] The figure mark explanation: 1, mounting frame, 2, connecting plate, 3, separate screen, 4, driving gear, 5, driven gear,

[0021] 6, drive motor, 7, cylinder, 8, fixed plate, 9, rotary table, 10, sliding plate, 11, first cross plate, 12, telescopic link,

[0022] 13, pressure spring, 14, second cross plate, 15, brush, 16, collection box, 17, drive motor. DETAILED DESCRIPTION

[0023] It is easy to understand that according to the technical scheme of the utility model, the general technical personnel of the art can propose multiple structure modes and implementation modes that can be replaced with each other without changing the essential spirit of the utility model. Therefore, the following specific embodiments and drawings are only exemplary description of the technical scheme of the utility model, and should not be regarded as the whole of the utility model or the limitation or restriction of the technical scheme of the utility model.

[0024] As Figure 1As shown, as a kind of automatic impurity cleaning and dust removing device of the utility model is provided, including the mounting bracket 1, the mounting bracket 1 is set to the one side of the open U-shaped frame, the mounting bracket 1 is installed with the driving motor 17 in the open side, the driving motor 17 output end transmission is provided with the driving gear 4, the mounting bracket 1 is rotatably arranged with the connecting plate 2 in the open side upper portion, and the connecting plate 2 end is provided with the driven gear 5 engaged with the driving gear 4, the connecting plate 2 is fixed with the fixed plate 8, and the fixed plate 8 outside is installed with the driving motor 6, as Figure 3 As shown, the driving motor 6 output end transmission is provided with the rotating disc 9 in the fixed plate 8, the fixed plate 8 is slidably provided with the sliding plate 10, the rotating disc 9 is circumferentially provided with a plurality of fixed rods, and the sliding plate 10 is provided with a plurality of tooth grooves engaged with the plurality of fixed rods on the upper and lower sides, and the sliding plate 10 is fixed with the separating screen 3 on one side, the rotating disc 9 is driven to rotate by the driving motor 6 to drive the separating screen 3 to reciprocate in the front and back directions, so as to complete the work of separating the grain and the bran, the driving motor 17 is driven to rotate by the driving motor 17 to drive the driven gear 5 and the connecting plate 2 to rotate, and then drive the separating screen 3 to overturn.

[0025] As shown in Figure 2 As shown in Figure 4 The first horizontal plate 11 bottom is fixed with the telescopic rod 12, the telescopic rod 12 bottom is provided with the second horizontal plate 14, and the telescopic rod 12 is wound with the pressure spring 13, the second horizontal plate 14 bottom is provided with the brush 15, the pressure spring 13 provides appropriate pressure, so as to ensure that the impurities on the screen surface can be thoroughly cleaned, the separating screen 3 is overturned along the telescopic direction of the cylinder 7, and the horizontal height of the lowest point of the brush 15 is lower than the horizontal height of the screen surface after the separating screen 3 is overturned, the crop is collected by overturning the separating screen 3, until the separating screen 3 is overturned by 180 °, the screen surface of the separating screen 3 is cleaned by the brush 15 driven by the cylinder 7, and the impurities will fall by gravity.

[0026] The horizontal height of the separating screen 3 is reduced after overturning, which is beneficial to the collection and cleaning work, the brush 15 is provided with high-temperature-resistant and anti-static nylon bristles, the stability of the brush 15 is ensured to carry out stable cleaning work, the mounting bracket 1 bottom is slidably provided with the collecting box 16 which can be separated from the mounting bracket 1, the impurities and / or crops are concentratedly collected, and the practicability of the device is improved.

[0027] In use, the rice is poured into the separating screen 3, the separating screen 3 is driven to reciprocate in the front-back direction by the driving motor 6 to separate the chaff, and the separating screen 3 is turned over by the driving motor 17, the crop is collected first in the turning-over process, until the separating screen 3 is turned over by 180°, the brush 15 is driven by the air cylinder 7 to clean the screen surface of the separating screen 3, the impurities fall from the inner screen surface of the separating screen 3 by gravity, and the cleaning and dust removal work is completed, so that the separating efficiency of the separating screen 3 is ensured.

[0028] The technical scope of the utility model is not only limited to the contents in the above description, and the person skilled in the art can make various deformations and modifications to the above embodiment without departing from the technical thought of the utility model, and these deformations and modifications should all belong to the protection scope of the utility model.

Claims

1. An automatic impurity removal and dust removal device for a husk separating sieve, characterized in that: The system includes a mounting frame (1), a rotatable connecting plate (2) is provided on the top of one side of the mounting frame (1), a reciprocating separation screen (3) is provided on the connecting plate (2), and a left-right telescopic cylinder (7) is also provided on the mounting frame (1). A brush (15) for cleaning the screen surface of the separation screen (3) is provided at the output end of the cylinder (7). The separation screen (3) is flipped along the telescopic direction of the cylinder (7), and the horizontal height of the lowest point of the brush (15) is lower than the horizontal height of the screen surface after the separation screen (3) is flipped.

2. The automatic impurity removal and dust removal device for a husk separating sieve according to claim 1, characterized in that: The horizontal height of the separating screen (3) decreases after it is flipped.

3. The automatic impurity removal and dust removal device for a chaff separator according to claim 2, characterized in that: The brush (15) is made of high-temperature resistant and antistatic nylon bristles.

4. The automatic impurity removal and dust removal device for a husk separating sieve according to claim 3, characterized in that: The cylinder (7) output end is provided with a first horizontal plate (11), the bottom of the first horizontal plate (11) is fixed with a telescopic rod (12), the bottom of the telescopic rod (12) is provided with a second horizontal plate (14) connected to the brush (15), and a pressure spring (13) is wound on the telescopic rod (12).

5. The automatic impurity removal and dust removal device for a chaff separator according to claim 4, characterized in that: The mounting bracket (1) has a slidable collection box (16) at its bottom that can be separated from the mounting bracket (1).

6. The automatic impurity removal and dust removal device for a husk separating sieve according to claim 1, characterized in that: A fixing plate (8) is fixed on the connecting plate (2). A drive motor (6) is installed on the outside of the fixing plate (8). A turntable (9) located inside the fixing plate (8) is driven at the output end of the drive motor (6). A sliding plate (10) that meshes with the turntable (9) is slidably arranged inside the fixing plate (8), and the sliding plate (10) is connected to the separating screen (3).

7. The automatic impurity removal and dust removal device for a chaff separator according to claim 6, characterized in that: A drive motor (17) is mounted on the mounting bracket (1). The output end of the drive motor (17) is equipped with a drive gear (4). The end of the connecting plate (2) is fixed with a driven gear (5) that meshes with the drive gear (4).

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