CN218963209U - Broken rice screening vibration screen mechanism for rice mill - Google Patents

Abstract

The utility model discloses a broken rice screening vibrating screen mechanism for a rice mill, which comprises a machine shell, wherein a feed hopper is arranged at the top of one side of the machine shell, a horizontal vibrating base is arranged at the bottom in the machine shell, a limiting groove plate penetrating through the vibrating base is arranged in the middle of one end, close to the feed hopper, of the vibrating base, an eccentric shaft disc matched with the limiting groove plate is arranged in the limiting groove plate, vibrating screen bodies which are obliquely arranged are arranged above the vibrating base, the vibrating screen bodies are distributed step by step from the high end to the bottom end, the high end of the vibrating screen bodies is positioned at one end of the limiting groove plate of the vibrating base, the low end of the vibrating screen bodies extends out of one end, far away from the limiting groove plate, of the vibrating base, and a discharge hopper is arranged below the low end of the vibrating screen bodies. The utility model adopts the low-power motor to replace the high-power vibration motor, reduces the energy consumption during the use while ensuring the screening effect, and adopts the uniquely designed vibration screen body, thereby further improving the screening effect and simultaneously improving the screening efficiency.

Description

Broken rice screening vibration screen mechanism for rice mill

Technical Field

The utility model belongs to the technical field of agricultural product processing, and particularly relates to a broken rice screening vibrating screen mechanism for a rice mill.

Background

Rice mills have been widely used as primary processing equipment for grains, and they can first dehull and separate the harvested and dried grains and then screen the crushed grains. Most of vibrating screens used in the existing broken rice screening adopt a vibrating motor to provide power to drive the vibrating screen to vibrate, so that the power of the vibrating motor is generally larger to ensure the vibrating screening effect, and the energy consumption of equipment is larger; meanwhile, the existing broken rice vibrating screens are all single-layer screen plates, and the single-layer screen plates cannot thoroughly screen broken rice due to different shapes of broken rice, so that repeated screening is needed for 2-3 times, and time and labor are wasted.

Disclosure of Invention

The utility model aims to solve the technical problems of the prior art, and provides a broken rice screening vibrating screen mechanism for a rice mill, which is provided with a plurality of layers of screen plates, and adopts a low-power motor to replace a traditional high-power vibrating motor, so that the screening effect is improved, and the use energy consumption is saved.

The technical scheme adopted by the utility model is as follows: the utility model provides a broken rice screening shale shaker mechanism for rice mill, includes the casing, and the feeder hopper is installed at casing one side top, the bottom is equipped with horizontal vibration base in the casing, the spout piece is installed respectively to the front portion and the rear portion of vibration base bottom surface both sides, and the department fixedly connected with is corresponding with the spout piece on the casing inner wall and spout complex gyro wheel of spout piece, in the spout of spout piece is arranged in to the gyro wheel, the one end middle part that vibration base is close to the feeder hopper is equipped with the spacing frid that runs through vibration base, be equipped with the eccentric shaft dish rather than matching in the spacing frid, both sides and spacing frid contact around the eccentric shaft dish, leave the clearance between the left and right sides and the spacing frid of eccentric shaft dish, the cover is equipped with rather than coaxial drive shaft, and driving motor is connected to the drive shaft bottom, the vibration base top is equipped with the vibration screen body that the slope set up, and vibration screen body passes through backup pad and vibration base fixed connection, the vibration screen body is the echelonment from the high-end to the bottom and distributes, and the high-end of vibration screen body is located vibration base spacing frid, and the one end that the vibration screen body stretches out of frid, and the one end of vibration screen body stretches out of the frid to be equipped with the hopper below.

Preferably, the top of the driving shaft is provided with a vertical plane, and the eccentric shaft disc is provided with a connecting hole matched with the driving shaft, so that the eccentric shaft disc is sleeved on the top of the driving shaft.

Preferably, the avoidance gaps at the left side and the right side of the limiting groove plate are semicircular.

Preferably, the vibrating screen body comprises a first-stage screen plate, a second-stage screen plate and a third-stage screen plate which are arranged in a stepped manner from top to bottom, gaps are reserved among the first-stage screen plate, the second-stage screen plate and the third-stage screen plate, and screening areas of the first-stage screen plate, the second-stage screen plate and the third-stage screen plate are sequentially distributed along the inclined direction of the vibrating screen body.

Preferably, the screening area of the primary screen plate is arranged below the outlet of the feed hopper, the screening area of the secondary screen plate is arranged in the middle of the vibrating screen body, and the screening area of the tertiary screen plate is arranged above the discharge hopper.

Preferably, the discharging hopper is of a U-shaped structure with openings in the upper side and the two sides, one side, far away from the vibrating screen body, of the top of the discharging hopper is connected with a discharging guide plate, an inclined filter screen plate is further installed in the discharging hopper, the filter screen plate is arranged along the diagonal line of the two opposite sides of the discharging hopper, the opening of the discharging hopper above the filter screen plate is a primary discharging opening, and the opening of the discharging hopper below the filter screen plate is a secondary discharging opening.

The utility model has the beneficial effects that:

(1) The driving motor is adopted to provide power, and the eccentric shaft disc and the limiting groove plate are matched, so that the purpose of vibration screening of the high-power vibration motor can be realized under the condition of adopting the low-power motor, and the use energy consumption is greatly saved;

(2) The eccentric shaft disc is contacted with the front side and the rear side of the limiting groove plate, and an avoidance gap is reserved on the left side and the right side, so that when the driving motor drives the eccentric shaft disc to do eccentric motion, the eccentric shaft disc is avoided by the avoidance groove when rotating to the left side and the right side of the limiting groove plate, and therefore the vibrating screen body is not driven to swing left and right, and when rotating to the front side and the rear side of the limiting groove plate, the vibrating screen body is driven to move back and forth, so that vibration screening is realized;

(3) The sliding chute blocks and the rollers are arranged to support the vibrating screen body, and meanwhile, stability of the vibrating screen body in back-and-forth reciprocating motion is guaranteed;

(4) The vibrating screen bodies are distributed step by step, so that multiple screening can be realized, and the screening efficiency and the screening effect can be effectively improved;

(5) A discharging guide plate is arranged at one side of the top of the discharging hopper and can guide materials to be discharged rapidly; the filter screen plate is arranged in the discharge hopper, crushed rice screened by the vibrating screen body can be screened again, and the screened crushed rice is discharged from the corresponding material openings respectively.

The utility model adopts the small-power motor to replace the high-power vibration motor through eccentric motion, thereby reducing the energy consumption during use while ensuring the screening effect, and further improving the screening effect and the screening efficiency by adopting the uniquely designed vibration screen body.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an internal schematic diagram of the present utility model;

FIG. 3 is a schematic view of a vibrating base and vibrating screen according to the present utility model;

FIG. 4 is a schematic view of a vibration mount of the present utility model;

fig. 5 is a cross-sectional view of the limiting groove plate of the present utility model.

In the figure: 1. a housing; 2. a feed hopper; 3. a vibration base; 4. a chute block; 5. a roller; 6. limiting groove plates; 7. an eccentric shaft disc; 8. avoidance gap; 9. a drive shaft; 10. a driving motor; 11. a vibrating screen body; 12. a support plate; 13. discharging a hopper; 14. a discharge guide plate; 15. a filter screen plate; 16. a first-stage discharge port; 17. a secondary discharge port; 111. a first-stage sieve plate; 112. a second-stage screen plate; 113. and (3) a three-stage sieve plate.

Detailed Description

The utility model will be described in further detail with reference to the accompanying drawings and specific examples.

Examples

As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the broken rice screening vibrating screen mechanism for the rice mill provided by the embodiment comprises a machine shell 1, wherein a feed hopper 2 is installed at the top of one side of the machine shell 1, a horizontal vibrating base 3 is arranged at the bottom of the machine shell 1, rectangular holes are respectively formed in the front part and the rear part of two sides of the vibrating base 3, a U-shaped chute block 4 is installed at the rectangular holes, a plate body at the top of the chute block 4 is matched with the rectangular holes and is clamped in the rectangular holes, and a plate body at the bottom of the chute block 4 extends outwards from the bottom of the vibrating base 3, so that a chute arranged along the length direction of the vibrating base 3 is formed between the plate body at the bottom of the chute block 4 and the plate body at the top of the chute block 4; the inner wall of the shell 1 is fixedly connected with a roller 5 matched with a chute of the chute block 4 at a position corresponding to the chute block 4, the roller 5 is arranged in the chute of the chute block 4, the roller 5 is in sliding fit with the chute of the chute block 4, the outer center of the roller 5 is connected with a supporting shaft through a bearing, and the other end of the supporting shaft is fixed on the shell 1, so that the supporting of the shell 1 to the vibration base 3 is realized through the supporting of the shell 1 to the roller 5 and the supporting of the roller 5 to the vibration base 3;

the vibration base 3 is provided with a bar-shaped hole near the middle part of one end of the feed hopper 2, a limit groove plate 6 matched with the bar-shaped hole is arranged at the bar-shaped hole, the top surface of the limit groove plate 6 is higher than the top surface of the vibration base 3, the limit groove plate 6 is of a quasi-elliptical structure combined by a middle rectangular structure and semicircular structures at two sides, an eccentric shaft disc 7 is arranged in the limit groove plate 6, the eccentric shaft disc 7 is sleeved on a driving shaft 9, a section of the driving shaft 9 connected with the eccentric shaft disc 7 is provided with a vertical plane, the eccentric shaft disc 7 is provided with a shaft hole matched with the driving shaft 9, when the driving shaft 9 rotates, the driving shaft 9 can be prevented from rotating in the shaft hole, the driving shaft 9 can only drive the eccentric shaft disc 7 to rotate together, semicircular structures at two sides of the limit groove plate 6 are avoidance gaps 8 in the movement process of the eccentric shaft disc 7, namely, when the eccentric shaft disc 7 swings to the left and right sides of the limit groove plate 6, the eccentric shaft disc 7 can be avoided through the avoidance gaps 8, so that the eccentric shaft disc 7 can provide power for the two sides of the limit groove plate 6, the vibration sieve body 11 is prevented from swinging left and right, namely, the vibration sieve body 11 is prevented from swinging left and right through the avoidance gaps 8, when the eccentric shaft disc 7 rotates to the eccentric shaft disc 7 and the eccentric shaft disc 7 moves to the front and back side of the limit groove plate 11 and the vibration sieve body is in a reciprocating way, and the vibration sieve body is provided with a reciprocating vibration sieve body 11, and the vibration sieve body and the vibration channel 11 and the vibration channel is in a reciprocating motion and has a reciprocating motion path; the bottom end of the driving shaft 9 is connected with a driving motor 10;

the vibrating screen body 11 is arranged above the vibrating base 3, the vibrating screen body 11 comprises a first-stage screen plate 111, a second-stage screen plate 112 and a third-stage screen plate 113 which are sequentially overlapped from top to bottom, a filtering area of the first-stage screen plate 111 is positioned below an outlet of the feeding hopper 2, other areas are non-screen plate bodies, a filtering area of the second-stage screen plate 112 is positioned in the middle, other areas are non-screen plate bodies, a filtering area of the third-stage screen plate 113 is positioned above the discharging hopper 13, the first-stage screen plate 111, the second-stage screen plate 112 and the third-stage screen plate 113 are in stepped distribution, and the filtering area of the first-stage screen plate 111, the filtering area of the second-stage screen plate 112 and the filtering area of the third-stage screen plate 113 are sequentially staggered along the moving direction of screening materials; gaps exist among the primary screen plate 111, the secondary screen plate 112 and the tertiary screen plate 113 and are fixedly connected through screws, support plates 12 are symmetrically formed on two sides of the top surface of the vibration base 3, and the support plates 12 are fixedly connected with the tertiary screen plate 113 to realize the fixed connection of the vibration base 3 and the vibration screen body 11;

the low end of vibrating screen body 11 stretches out vibrating base 3 to be equipped with out hopper 13 below vibrating screen body 11's low end, hopper 13 is the U type structure of top and both sides all uncovered, and is connected with ejection of compact baffle 14 in the one side that vibrating screen body 11 was kept away from at hopper 13 tops, still install the filter screen board of slope in the hopper 13, the filter screen board sets up along the diagonal of the relative both sides of hopper 13, and the hopper 13 that is located the filter screen board top is uncovered to be one-level bin outlet 16, and the hopper 13 that is located the filter screen board below is uncovered to be second grade bin outlet 17.

In the embodiment, a low-power driving motor 10 is adopted to replace a traditional high-power vibrating motor, when the vibrating screen is used, the driving motor 10 drives an eccentric shaft disk 7 to eccentrically rotate, and the eccentric rotation of the eccentric shaft disk 7 is converted into front-back reciprocating motion of a vibrating base 3 through the limit of a limit groove plate 6, so that a vibrating screen body 11 connected with the vibrating base 3 performs front-back reciprocating motion to screen materials; after the materials are classified and screened by the first-stage screen plate 111, the second-stage screen plate 112 and the third-stage screen plate 113, full rice grains are discharged from the discharge guide plate 14, screened broken rice enters the discharge hopper 13, the broken rice is screened again by the filter screen plate in the discharge hopper 13, and the screened rice grains are discharged from the corresponding first-stage discharge port 16 and second-stage discharge port 17 respectively.

The foregoing is merely a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any modification and substitution based on the technical scheme and the inventive concept provided by the present utility model should be covered in the scope of the present utility model.

Claims (6)

1. Broken rice screening shale shaker mechanism for rice mill, including casing (1), feeder hopper (2), its characterized in that are installed at casing (1) one side top: the utility model discloses a vibrating screen comprises a casing (1), a vibrating base (3) horizontally arranged in the casing (1), a chute block (4) is respectively arranged at the front part and the rear part of the two sides of the bottom surface of the vibrating base (3), a roller (5) matched with the chute of the chute block (4) is fixedly connected at the corresponding part of the inner wall of the casing (1) and the chute of the chute block (4), the roller (5) is arranged in the chute of the chute block (4), a limit groove plate (6) penetrating through the vibrating base (3) is arranged in the middle part of one end of the vibrating base (3) close to the feeding hopper (2), an eccentric shaft disc (7) matched with the limit groove plate is arranged in the limit groove plate (6), the front side and the rear side of the eccentric shaft disc (7) are contacted with the limit groove plate (6), an avoidance gap (8) is reserved between the left side and the right side of the eccentric shaft disc (7) and the limit groove plate (6), a driving shaft (9) which is not coaxial with the eccentric shaft (7) is sleeved on the inner wall of the casing (7), the bottom end of the driving shaft (9) is connected with a driving motor (10), a vibrating screen body (11) obliquely arranged above the vibrating base (3), the vibrating screen body (11) is arranged near the middle part of one end of the feeding hopper (2), the vibrating screen body (12) and is distributed from the vibrating screen body (3) to the vibrating screen body (3) in a height and is in a stepwise manner, and is positioned at one end of the vibrating screen body (11), the low end of the vibrating screen body (11) extends out of one end of the vibrating base (3) far away from the limiting groove plate (6), a discharging hopper (13) is arranged below the low end of the vibrating screen body (11), and the discharging hopper (13) is fixed on the machine shell (1).

2. The broken rice screening vibrating screen mechanism for a rice mill according to claim 1, wherein: the top of the driving shaft (9) is provided with a vertical plane, and the eccentric shaft disc (7) is provided with a connecting hole matched with the driving shaft (9) so that the eccentric shaft disc (7) is sleeved at the top of the driving shaft (9).

3. Broken rice screening vibration sieve mechanism for rice mill according to claim 1 or 2, characterized in that: the avoidance gaps (8) on the left side and the right side of the limiting groove plate (6) are semicircular.

4. The broken rice screening vibrating screen mechanism for a rice mill according to claim 1, wherein: the vibrating screen body (11) comprises a first-stage screen plate, a second-stage screen plate and a third-stage screen plate which are arranged in a stepped manner from top to bottom, gaps are reserved among the first-stage screen plate, the second-stage screen plate and the third-stage screen plate, and screening areas of the first-stage screen plate, the second-stage screen plate and the third-stage screen plate are sequentially distributed along the inclined direction of the vibrating screen body (11).

5. The broken rice screening vibrating screen mechanism for rice mill according to claim 4, wherein: the screening area of one-level sieve sets up in the export below of feeder hopper (2), and the screening area of second grade sieve sets up in the middle part of vibrating screen body (11), and the screening area of tertiary sieve sets up in ejection of compact fill (13) top.

6. A broken rice screening vibration sieve mechanism for rice mill according to claim 1, 4 or 5, wherein: the utility model discloses a vibrating screen is characterized in that a discharging hopper (13) is of a U-shaped structure with both open sides and is characterized in that the discharging hopper (13) is of a U-shaped structure with both open sides, one side of the top of the discharging hopper (13) away from the vibrating screen body (11) is connected with a discharging guide plate (14), an inclined filter screen plate is further installed in the discharging hopper (13), the filter screen plate is arranged along the diagonal line of the two opposite sides of the discharging hopper (13), the opening of the discharging hopper (13) above the filter screen plate is a primary discharge opening (16), and the opening of the discharging hopper (13) below the filter screen plate is a secondary discharge opening (17).

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