CN220697437U - Rice bran screening mechanism - Google Patents

Abstract

The utility model relates to the technical field of rice bran screening, in particular to a rice bran screening mechanism, wherein a knocking device comprises two vertical rods which are symmetrically distributed on the inner bottom surface of a U-shaped bottom plate, the surfaces of the two vertical rods are respectively and slidably connected with sliding plates, a rectangular frame is fixedly arranged between the two sliding plates, an L-shaped support is fixedly arranged on the inner bottom surface of the U-shaped bottom plate, a motor is fixedly arranged on the top surface of the L-shaped support, a special gear is fixedly arranged at the output end of the motor, teeth on the surface of the special gear are only one third, the special gear is meshed with tooth-shaped structures on the inner walls of two sides of the rectangular frame, two L-shaped rods are fixedly arranged on the surface of the rectangular frame, and a knocking hammer is fixedly arranged at one end, far away from the rectangular frame, of the two L-shaped rods. The rice bran screening mechanism solves the problems that the existing rice bran screening mechanism needs a worker to continuously take tools to vibrate the screen in the whole screening process, and when the screen is knocked, the worker needs to stop screening each time, so that the working efficiency of rice bran screening is affected.

Description

Rice bran screening mechanism

Technical Field

The utility model relates to the technical field of rice bran screening, in particular to a rice bran screening mechanism.

Background

The rice grain consists of husk, embryo and endosperm, and the aim of rice processing is to separate the endosperm from other parts with minimum breaking degree, so as to prepare rice with better edible quality.

The existing rice bran screening mechanism screens rice and rice bran through a screen, in order to avoid the influence of rice bran blocking the screen caused by long-time use of the screen, a worker is required to constantly knock the screen by holding a tool, the screen is vibrated so as to clean the screen holes on the surface of the screen, although the problem that the screen holes are blocked is solved by the method, the mode can require the worker to continuously take the tool to vibrate the screen in the whole screening process, and when the screen is knocked, the worker is required to stop screening each time, so that the working efficiency of rice bran screening is affected.

Disclosure of Invention

The utility model aims to solve the technical problems in the background and provides a rice bran screening mechanism.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a rice bran screening mechanism, includes U type bottom plate, the equal fixed mounting of both sides inner wall surface of U type bottom plate has two bracing pieces, four fixed mounting has the hopper down between the bracing piece, the inside bottom surface fixed mounting of U type bottom plate has two backup pads, two rotate between the backup pad and be connected with the pivot, the fixed surface mounting of pivot has the rotor plate, the top fixed surface of rotor plate installs the screen cloth, the inside bottom surface of U type bottom plate is equipped with containing box and collecting box, the inside bottom surface of U type bottom plate is equipped with the knocking device, the knocking device includes two pole setting, two pole setting symmetric distribution is at the inside bottom surface of U type bottom plate, two equal sliding connection in surface of pole setting has the slide, two fixed mounting has the rectangle frame between the slide, rectangle frame both sides inner wall surface all is equipped with tooth form structure. The setting of pole setting and slide has played the effect that lets the rectangle frame more stable when removing.

Preferably, an L-shaped bracket is fixedly arranged on the inner bottom surface of the U-shaped bottom plate, a motor is fixedly arranged on the top surface of the L-shaped bracket, a special gear is fixedly arranged at the output end of the motor, only one third of teeth on the surface of the special gear are meshed with the tooth-shaped structures on the inner walls of the two sides of the rectangular frame. The setting of L type support has played the effect of supporting the motor, and the setting of motor has played and has driven abnormal shape gear pivoted effect, and the setting of abnormal shape gear has played the effect that lets the rectangle frame can remove.

Preferably, two L-shaped rods are fixedly arranged on the surface of the rectangular frame, and knocking hammers are fixedly arranged at one ends, far away from the rectangular frame, of the two L-shaped rods. The setting of striking hammer has played the effect of beating the screen cloth.

Preferably, the both sides inner wall surface of U type bottom plate all is equipped with auxiliary device, auxiliary device includes the strip shaped plate, strip shaped plate fixed mounting is at the both sides surface of U type bottom plate, the spout has been seted up to the surface of strip shaped plate, the inside sliding connection of spout has the cardboard, the draw-in groove has all been seted up on the both sides surface of screen cloth, the one end that the spout was kept away from to the cardboard is located the inside of draw-in groove. The effect of supporting the screen cloth has been played in cardboard and draw-in groove's setting.

Preferably, the side of strip shaped plate has seted up the recess, the inside sliding connection of recess has the displacement piece, fixed mounting has the connecting rod between displacement piece and the cardboard. The setting of displacement piece and connecting rod has played the effect that drives the cardboard and remove in the inside of spout.

Preferably, the side of the strip-shaped plate is fixedly provided with a mounting plate, the surface of the mounting plate is fixedly provided with an electric telescopic rod, and the output end of the electric telescopic rod is fixedly connected with the displacement block. The setting of electric telescopic handle has played the effect that drives the displacement piece and remove in the inside of recess.

Compared with the prior art, the utility model has the advantages and positive effects that:

1. according to the utility model, when rice bran is required to be screened, the rice bran is firstly thrown into the lower hopper, then falls into the upper part of the screen cloth below the lower hopper after falling from the lower hopper, the rice smaller than the aperture of the screen cloth can pass through the screen cloth to fall into the storage box through the filtering of the screen cloth, when the screen cloth is blocked, the motor is opened, the motor is started to drive the special-shaped gears to rotate, the special-shaped gears rotate and are meshed with the tooth-shaped structures on the inner wall surfaces on the two sides of the rectangular frame, when the special-shaped gears are meshed with the tooth-shaped structures on the inner wall surface on the left side of the rectangular frame, the rectangular frame moves upwards to drive the sliding plate to move upwards on the surface of the vertical rod, meanwhile, the rectangular frame moves upwards to drive the L-shaped rod to move upwards, the knocking hammer moves upwards to enable the hammer to leave the surface of the screen cloth, when the special-shaped gears rotate by one hundred degrees and then the tooth-shaped structures on the right side of the rectangular frame are meshed, the rectangular frame moves downwards to drive the L-shaped rod and the knocking hammer to enable the hammer to move downwards along with the tooth-shaped gears on the inner wall surfaces on the two sides of the rectangular frame, and the rectangular frame is not required to move upwards along with the broken rotation of the motor, and the screen cloth can be blocked by the screen cloth when the screen cloth is continuously in a reciprocating mode, and the screen cloth is not required to be blocked by the reciprocating and the screen cloth is prevented from moving upwards and the screen cloth.

2. According to the utility model, by arranging the auxiliary device, when rice bran trapped on the surface of the screen is required to be cleaned, the two electric telescopic rods are started at the same time, the electric telescopic rods start to drive the displacement blocks to move in the grooves, the displacement blocks move in the grooves to drive the connecting rods to move, the connecting rods move to drive the clamping plates to move in the grooves, the clamping plates move in the grooves to enable the clamping plates to move out of the clamping grooves, one end of the screen far away from the rotating shaft is supported by the clamping plates and the clamping grooves to enable the screen to rotate and incline under the action of self gravity, the screen rotates and inclines to enable the rice bran on the surface of the screen to roll to one side far away from the rotating rod and fall into the collecting box to be collected, and the function of automatically cleaning the screen is achieved through cooperation of the structure, so that the whole device does not need to be cleaned by a manual tool, and the practicability of the device is further improved.

Drawings

FIG. 1 is a schematic perspective view showing a rice bran screening mechanism according to the present utility model;

FIG. 2 is a schematic diagram showing a structure of a rice bran screening mechanism according to the present utility model;

FIG. 3 is a schematic cross-sectional view illustrating a rice bran screening mechanism according to the present utility model;

FIG. 4 is a schematic view showing the structure of the rice bran screening apparatus according to the present utility model at A in FIG. 2;

FIG. 5 is a schematic view showing the structure of the rice bran screening apparatus according to the present utility model at B in FIG. 3;

legend description:

1. a U-shaped bottom plate; 2. a support rod; 3. discharging a hopper; 4. a knocking device; 41. a vertical rod; 42. a slide plate; 43. a rectangular frame; 44. an L-shaped bracket; 45. a motor; 46. a special gear; 47. an L-shaped rod; 48. knocking a hammer; 5. an auxiliary device; 51. a strip-shaped plate; 52. a chute; 53. a clamping plate; 54. a clamping groove; 55. a groove; 56. a displacement block; 57. a connecting rod; 58. a mounting plate; 59. an electric telescopic rod; 6. a support plate; 7. a rotating shaft; 8. a rotating plate; 9. a screen; 10. a storage box; 11. and (5) collecting a box.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

Referring to fig. 1-5, the present utility model provides a technical solution: the rice bran screening mechanism comprises a U-shaped bottom plate 1, two supporting rods 2 are fixedly installed on the inner wall surfaces of two sides of the U-shaped bottom plate 1, a discharging hopper 3 is fixedly installed between the four supporting rods 2, two supporting plates 6 are fixedly installed on the inner bottom surface of the U-shaped bottom plate 1, a rotating shaft 7 is rotatably connected between the two supporting plates 6, a rotating plate 8 is fixedly installed on the surface of the rotating shaft 7, a screen 9,U type bottom plate 1 is fixedly installed on the top surface of the rotating plate 8, and a containing box 10 and a collecting box 11 are arranged on the inner bottom surface of the screen 9,U type bottom plate 1.

The specific arrangement and function of the striking device 4 and the auxiliary device 5 will be described in detail below.

In this embodiment: the inside bottom surface of U type bottom plate 1 is equipped with rapping device 4, and rapping device 4 includes two pole setting 41, and two pole setting 41 symmetric distributions are at the inside bottom surface of U type bottom plate 1, and the equal sliding connection in surface of two pole setting 41 has slide 42, and fixed mounting has rectangular frame 43 between two slide 42, and rectangular frame 43 both sides inner wall surface all is equipped with tooth form structure.

In this embodiment: the arrangement of the upright 41 and the slide 42 has the effect of making the rectangular frame 43 more stable when moving.

Specifically, an L-shaped bracket 44 is fixedly arranged on the inner bottom surface of the U-shaped bottom plate 1, a motor 45 is fixedly arranged on the top surface of the L-shaped bracket 44, a special gear 46 is fixedly arranged at the output end of the motor 45, only one third of teeth on the surface of the special gear 46 are meshed with the tooth-shaped structures on the inner walls of the two sides of the rectangular frame 43.

In this embodiment: the L-shaped bracket 44 has the effect of supporting the motor 45, the motor 45 has the effect of driving the special-shaped gear 46 to rotate, and the special-shaped gear 46 has the effect of enabling the rectangular frame 43 to move.

Specifically, two L-shaped rods 47 are fixedly mounted on the surface of the rectangular frame 43, and a knocking hammer 48 is fixedly mounted at one end of the two L-shaped rods 47 away from the rectangular frame 43. The provision of the striking hammers 48 has the effect of striking the screen 9.

In this embodiment: the both sides inner wall surface of U type bottom plate 1 all is equipped with auxiliary device 5, and auxiliary device 5 includes strip shaped plate 51, and strip shaped plate 51 fixed mounting is at the both sides surface of U type bottom plate 1, and spout 52 has been seted up on the surface of strip shaped plate 51, and the inside sliding connection of spout 52 has cardboard 53, and draw-in groove 54 has all been seted up on the both sides surface of screen cloth 9, and the one end that spout 52 was kept away from to cardboard 53 is located the inside of draw-in groove 54. When needs to clear up the rice bran that screen cloth 9 surface was cut, at first start two electric telescopic handle 59 simultaneously, electric telescopic handle 59 starts to drive displacement piece 56 and removes in the inside of recess 55, displacement piece 56 removes in the inside of recess 55 and drives connecting rod 57 and remove, connecting rod 57 removes and drives cardboard 53 and remove in the inside of spout 52, cardboard 53 removes the inside that makes itself follow draw-in groove 54 in the inside of spout 52, the screen cloth 9 that cardboard 53 and draw-in groove 54 separation made is kept away from the one end of pivot 7 loses the support, and then make screen cloth 9 take place to rotate the slope under self gravity, screen cloth 9 takes place to rotate the slope and then make the rice bran of its surface roll off to the one side of keeping away from the bull stick, and fall into the inside of collecting box 11, be collected, through the cooperation of above-mentioned structure, the function of automatic clearance screen cloth 9 has been reached, make whole device need not artifical hand tool clearance, the practicality of the device has further been increased.

Specifically, a groove 55 is formed in the side surface of the strip-shaped plate 51, a displacement block 56 is slidably connected in the groove 55, and a connecting rod 57 is fixedly installed between the displacement block 56 and the clamping plate 53.

In this embodiment: the arrangement of the displacement block 56 and the connecting rod 57 has the effect of driving the clamping plate 53 to move in the chute 52.

Specifically, the side surface of the strip-shaped plate 51 is fixedly provided with a mounting plate 58, the surface of the mounting plate 58 is fixedly provided with an electric telescopic rod 59, and the output end of the electric telescopic rod 59 is fixedly connected with the displacement block 56.

In this embodiment: the arrangement of the electric telescopic rod 59 has the effect of driving the displacement block 56 to move inside the groove 55.

Working principle: by arranging the knocking device 4, when rice bran is needed to be screened, firstly, the rice bran is thrown into the inside of the blanking hopper 3, then falls into the upper part of the screen 9 below after falling from the inside of the blanking hopper 3, the rice smaller than the aperture of the screen 9 can pass through the screen 9 to fall into the storage box 10 through the screen 9 by filtering of the screen 9, when the screen 9 is blocked, the motor 45 is started, the motor 45 starts to drive the special gear 46 to rotate, the special gear 46 is meshed with the tooth-shaped structures on the inner wall surfaces of the two sides of the rectangular frame 43, when the special gear 46 is meshed with the tooth-shaped structures on the inner wall surface of the left side of the rectangular frame 43, the rectangular frame 43 is driven to move upwards, the sliding plate 42 is driven to move upwards on the surface of the vertical rod 41, meanwhile, the rectangular frame 43 is driven to move upwards, the L-shaped rod 47 is driven to move upwards, the knocking hammer 48 is driven to move upwards, the knocking hammer 48 moves upwards to separate the knocking hammer 48 from the surface of the screen 9, when the special-shaped gear 46 rotates for one hundred and eighty degrees and is meshed with the tooth-shaped structure on the right side of the rectangular frame 43, the rectangular frame 43 moves downwards to drive the L-shaped rod 47 and the knocking hammer 48, the knocking hammer 48 moves downwards to knock the surface of the screen 9 by itself, the special-shaped gear 46 is driven by the motor 45 to continuously rotate, the rectangular frame 43 further moves up and down in a reciprocating manner, the knocking hammer 48 continuously knocks the surface of the screen 9, so as to prevent rice bran from blocking the sieve holes of the screen 9, through the cooperation of the structures, the screen 9 can be prevented from being blocked by continuously knocking the screen 9 by utilizing the knocking hammer 48, the whole process does not need workers to stop sieving, thereby improving the rice bran screening efficiency. When needs to clear up the rice bran that screen cloth 9 surface was cut, at first start two electric telescopic handle 59 simultaneously, electric telescopic handle 59 starts to drive displacement piece 56 and removes in the inside of recess 55, displacement piece 56 removes in the inside of recess 55 and drives connecting rod 57 and remove, connecting rod 57 removes and drives cardboard 53 and remove in the inside of spout 52, cardboard 53 removes the inside that makes itself follow draw-in groove 54 in the inside of spout 52, the screen cloth 9 that cardboard 53 and draw-in groove 54 separation made is kept away from the one end of pivot 7 loses the support, and then make screen cloth 9 take place to rotate the slope under self gravity, screen cloth 9 takes place to rotate the slope and then make the rice bran of its surface roll off to the one side of keeping away from the bull stick, and fall into the inside of collecting box 11, be collected, through the cooperation of above-mentioned structure, the function of automatic clearance screen cloth 9 has been reached, make whole device need not artifical hand tool clearance, the practicality of the device has further been increased.

While the utility model has been described in terms of what are presently considered to be the most practical and preferred embodiments, it is to be understood that the utility model is not limited to the disclosed embodiments, but is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the utility model, as defined by the appended claims, as long as the scope of the utility model is defined by the following claims, and by the following claims, unless otherwise specified and limited by the context of the utility model; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

Claims (6)

1. The utility model provides a rice bran screening mechanism, includes U type bottom plate (1), two bracing pieces (2) are all fixed mounting to the both sides inner wall surface of U type bottom plate (1), four fixed mounting has hopper (3) down between bracing piece (2), the inside bottom surface fixed mounting of U type bottom plate (1) has two backup pads (6), two rotate between backup pad (6) and be connected with pivot (7), the fixed surface of pivot (7) installs rotating plate (8), the top fixed surface of rotating plate (8) installs screen cloth (9), the inside bottom surface of U type bottom plate (1) is equipped with containing box (10) and collecting box (11), its characterized in that: the utility model discloses a novel U-shaped bottom plate, including U-shaped bottom plate (1), inside bottom surface of U-shaped bottom plate (1) is equipped with rapping device (4), rapping device (4) are including two pole setting (41), two pole setting (41) symmetric distribution is at the inside bottom surface of U-shaped bottom plate (1), two equal sliding connection in surface of pole setting (41) has slide (42), two fixed mounting has rectangle frame (43) between slide (42), rectangle frame (43) both sides inner wall surface all is equipped with tooth form structure.

2. The rice bran screening mechanism according to claim 1, wherein: the novel U-shaped bottom plate is characterized in that an L-shaped bracket (44) is fixedly arranged on the inner bottom surface of the U-shaped bottom plate (1), a motor (45) is fixedly arranged on the top surface of the L-shaped bracket (44), a special gear (46) is fixedly arranged at the output end of the motor (45), only one third of teeth on the surface of the special gear (46) are meshed with tooth-shaped structures on the inner walls of two sides of the rectangular frame (43).

3. The rice bran screening mechanism according to claim 1, wherein: two L-shaped rods (47) are fixedly arranged on the surface of the rectangular frame (43), and knocking hammers (48) are fixedly arranged at one ends, far away from the rectangular frame (43), of the two L-shaped rods (47).

4. The rice bran screening mechanism according to claim 1, wherein: the utility model discloses a U-shaped bottom plate, including U-shaped bottom plate (1), both sides inner wall surface of U-shaped bottom plate (1) all is equipped with auxiliary device (5), auxiliary device (5) are including strip shaped plate (51), strip shaped plate (51) fixed mounting is at the both sides surface of U-shaped bottom plate (1), spout (52) have been seted up on the surface of strip shaped plate (51), the inside sliding connection of spout (52) has cardboard (53), draw-in groove (54) have all been seted up on the both sides surface of screen cloth (9), the one end that spout (52) was kept away from to cardboard (53) is located the inside of draw-in groove (54).

5. The rice bran screening mechanism according to claim 4, wherein: the side of strip shaped plate (51) has seted up recess (55), the inside sliding connection of recess (55) has displacement piece (56), fixed mounting has connecting rod (57) between displacement piece (56) and cardboard (53).

6. The rice bran screening mechanism according to claim 4, wherein: the side of strip shaped plate (51) is fixedly provided with mounting plate (58), the surface of mounting plate (58) is fixedly provided with electric telescopic rod (59), and the output end of electric telescopic rod (59) is fixedly connected with displacement block (56).