CN217888637U - A novel screening mechanism for rice mill - Google Patents

Abstract

The utility model discloses a novel screening mechanism for rice mill, including the casing, the feeder hopper is installed at the top in the casing, install vibrating screen in the casing, actuating mechanism is installed to vibrating screen's one end, and the casing department of the other end opens there is the bin outlet, the hopper is installed out to the below of vibrating screen in the casing, actuating mechanism includes driving motor, drive shaft and eccentric shaft dish, open at vibrating screen's one end middle part has horizontal bar hole, and the bar is downthehole to install the spacing frid rather than matching, eccentric shaft dish is arranged in spacing frid, and the front and back both sides and the spacing frid contact of eccentric shaft dish, leaves between the left and right sides of eccentric shaft dish and the spacing frid and dodges the clearance, the one end and the eccentric shaft dish decentraction of drive shaft are connected, and the other end is connected with driving motor. The utility model discloses can combine together with the rice mill, labour saving and time saving can use the miniwatt motor to replace high-power vibrating motor simultaneously, has practiced thrift the use power consumption greatly.

Description

A novel screening mechanism for rice mill

Technical Field

The utility model belongs to the technical field of the agricultural product processing, concretely relates to novel screening mechanism for rice mill.

Background

After harvesting, rice has many impurities, such as iron nails, straws, broken stones and the like, before the harvested rice is sent into a rice mill for milling, if screening is not carried out, a milling mechanism or a milling sieve is easily damaged during milling, and the rice after hulling contains impurities. The vibrating screen of the existing rice milling mechanism is an independent mechanism, and rice milling is carried out after separate screening, so that time and labor are wasted; meanwhile, in order to ensure the effect of vibration screening, the power of the adopted vibration motor is generally higher, so that the use energy consumption of the equipment is higher, and the use cost of the equipment is high.

Disclosure of Invention

The utility model aims to solve the technical problem that just not enough to above-mentioned prior art provides a novel screening mechanism for rice mill, and it can combine together with the rice mill, carries out the husk rice in the screening to use miniwatt driving motor to replace traditional high-power vibrating motor, practiced thrift greatly and used the energy consumption.

The utility model adopts the technical proposal that: the utility model provides a novel screening mechanism for rice mill, includes the casing, and the feeder hopper is installed at the top in the casing, and the feeder hopper bottom is feed outlet, install vibrating screen plate in the casing, actuating mechanism is installed to vibrating screen plate's one end, and the casing department of the other end opens there is the bin outlet, feed outlet is located vibrating screen plate's installation actuating mechanism's one end top, the hopper is installed out to vibrating screen plate's below in the casing, actuating mechanism includes driving motor, drive shaft and eccentric shaft dish, the backup pad is installed to feed outlet's below in the casing, and the connecting plate is installed to the both sides of backup pad, and vibrating screen plate is located between two connecting plates, the spout piece is installed respectively at the front portion and the rear portion of vibrating screen plate both sides, corresponds the spout complex gyro wheel of fixedly connected with the spout piece on casing inner wall and the connecting plate inner wall with the spout piece, spout piece and gyro wheel one-to-one, vibrating screen plate is close to the one end middle part of backup pad and has horizontal bar hole, installs the spacing frid rather than the matching, eccentric shaft dish is arranged in spacing frid, and the both sides are contacted with spacing frid around the eccentric shaft dish, and the other end of eccentric shaft dish is left the clearance between the support plate and is connected with the motor, the motor connection in spacing frid, the motor connection of spacing frid, the motor.

Preferably, a vertical plane is formed at one end of the driving shaft, which is connected with the eccentric shaft disc, and a connecting hole matched with the driving shaft is formed in the eccentric shaft disc, so that the eccentric shaft disc is sleeved on the driving shaft.

Preferably, the avoidance gaps on the left side and the right side of the strip-shaped hole are semicircular.

The beneficial effects of the utility model reside in 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 by a high-power vibration motor can be realized under the condition of adopting a low-power motor, and the use energy consumption is greatly saved;

(2) The eccentric shaft disc is in contact with the front side and the rear side of the limiting groove plate, avoidance gaps are reserved on the left side and the right side, when the driving motor drives the eccentric shaft disc to do eccentric motion, and when the eccentric shaft disc rotates to the left side and the right side of the limiting groove plate, the avoidance grooves avoid, so that the vibrating sieve plate cannot be driven to swing left and right, and when the eccentric shaft disc rotates to the front side and the rear side of the limiting groove plate, the vibrating sieve plate can be driven to move front and back, so that vibrating screening is realized;

(3) The sliding groove blocks and the rollers are arranged to support the vibrating screen plate, and meanwhile, the stability of the vibrating screen plate in the front-back reciprocating motion is guaranteed.

The utility model discloses can combine together with the rice mill, directly get into the rice mill and carry out the husk rice work after the screening, simultaneously through eccentric motion, can use the miniwatt motor to replace high-power vibrating motor, practiced thrift the use power consumption greatly.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of the vibrating screen plate of the present invention (the connecting plate is not shown);

fig. 3 is a top view of the vibrating screen plate of the present invention;

fig. 4 is a cross-sectional view of the position of the limiting groove plate of the present invention.

In the figure: 1. a housing; 2. a feed hopper; 3. a feed outlet; 4. vibrating the sieve plate; 5. a discharge outlet; 7. a drive motor; 8. a drive shaft; 9. an eccentric shaft disc; 10. a support plate; 11. a connecting plate; 12. a chute block; 13. a roller; 14. a limiting groove plate; 15. avoiding the gap.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Examples

As shown in fig. 1, 2 and 3, the novel screening mechanism for a rice mill provided in this embodiment includes a casing 1, a horizontally installed support plate 10 is fixedly connected to an inner wall of one side of the middle portion in the casing 1, connection plates 11 perpendicular to the support plate 10 are symmetrically installed on both sides of the support plate 10, a vibrating screen plate 4 is disposed between the two connection plates 11, screening holes are uniformly distributed on the vibrating screen plate 4, the vibrating screen plate 4 located between the connection plates 11 is a solid plate and is not provided with the screening holes, sliding groove blocks 12 are respectively installed on the front portion and the rear portion of both sides of the vibrating screen plate 4, the sliding groove blocks 12 are U-shaped and are arranged along the length direction of the vibrating screen plate 4, rollers 13 are connected to inner walls of the casing 1 corresponding to the sliding groove blocks 12 on both sides of the front portion of the vibrating screen plate 4 through rotating shafts, rollers 13 are also connected to inner walls of the connection plates 11 corresponding to the sliding groove blocks 12 on both sides of the rear portion of the vibrating screen plate 4 through rotating shafts, each sliding groove block 12 corresponds to one roller 13, the roller 13 is matched with a sliding groove of the sliding groove block 12 and is disposed in the sliding groove 12, and the sliding groove 13 of the casing 1 and the connecting plate 11, and the vibrating screen plate 4 is supported by the roller 13;

the middle part of the solid plate of the vibrating screen plate 4 between the connecting plates 11 is provided with a strip-shaped hole, the strip-shaped hole is provided with a limit groove plate 14 matched with the strip-shaped hole, the top surface of the limit groove plate 14 is higher than the top surface of the vibrating screen plate 4, the limit groove plate 14 is of an ellipse-like structure combined by a middle rectangular structure and two side semicircular structures, an eccentric shaft disc 9 is arranged in the limit groove plate 14, the eccentric shaft disc 9 is sleeved on a driving shaft 8, a vertical plane is arranged on the section of the driving shaft 8 connected with the eccentric shaft disc 9, a shaft hole matched with the driving shaft 8 is arranged on the eccentric shaft disc 9, when the driving shaft 8 rotates, the driving shaft 8 can be prevented from rotating in the shaft hole, and the driving shaft 8 can only drive the eccentric shaft disc 9 to rotate together, the semicircular structures on the two sides of the limiting groove plate 14 are avoidance gaps 15 in the movement process of the eccentric shaft disc 9, namely when the eccentric shaft disc 9 swings to the left side and the right side of the limiting groove plate 14, the eccentric shaft disc 9 can be avoided through the avoidance gaps 15, so that the eccentric shaft disc 9 is prevented from providing power for the two sides of the limiting groove plate 14, the vibration sieve plate 4 is prevented from swinging left and right, namely the vibration sieve plate 4 is prevented from swinging left and right through the avoidance gaps 15, when the eccentric shaft disc 9 rotates to the front side and the rear side of the limiting groove plate 14, the swinging eccentric shaft disc 9 can drive the vibration sieve plate 4 to reciprocate back and forth due to the absence of the avoidance gaps 15, and when the vibration sieve plate 4 reciprocates back and forth, the sliding groove block 12 slides back and forth on the roller 13, so that a limiting path is provided for the back and forth reciprocating motion of the vibration sieve plate 4; the bottom end of the driving shaft 8 is connected with a driving motor 7, and the driving motor 7 is arranged on the supporting plate 10;

the below of vibration sieve 4 is equipped with out the hopper, and the top of vibration sieve 4 is equipped with feeder hopper 2, and the bottom of feeder hopper 2 is equipped with feed outlet 3, and feed outlet 3 is located the top of the solid slab of vibration sieve 4.

In the embodiment, a small-power motor can be used for replacing a traditional large-power vibrating motor, the use and energy consumption are saved, a small-power driving motor 7 rotates to drive a driving shaft 8 and an eccentric shaft disc 9 connected with the driving shaft 8 to rotate, the driving shaft 8 is not positioned at the axis of the eccentric shaft disc 9, so that the eccentric shaft disc 9 driven by the rotation of the driving shaft 8 rotates eccentrically, the eccentric shaft disc 9 rotates eccentrically in a limiting slotted plate 14, when the eccentric shaft disc rotates to the left side and the right side of the limiting slotted plate 14, the eccentric shaft disc 9 can continue to rotate due to the arrangement of an avoidance gap 15, when the eccentric shaft disc rotates to the front side and the rear side of the limiting slotted plate 14, the front side and the rear side of the limiting slotted plate 14 are ejected, and a vibrating screen plate 4 fixedly connected with the limiting slotted plate 14 moves back and forth, so that the aim of vibrating screening is fulfilled;

simultaneously this embodiment can install in the feed inlet department of small-size rice mill, and 4 below of vibrating screen plate of this embodiment are ejection of compact hoppers, go out the feed inlet intercommunication of hopper and rice mill to the realization reaches labour saving and time saving's purpose with the combination of rice mill.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any modification and replacement based on the technical solution and inventive concept provided by the present invention should be covered within the protection scope of the present invention.

Claims (3)

1. The utility model provides a novel screening mechanism for rice mill, includes casing (1), and feeder hopper (2) are installed at the top in casing (1), and feeder hopper (2) bottom is feedstock outlet (3), install vibration sieve (4) in casing (1), actuating mechanism is installed to the one end of vibration sieve (4), and casing (1) department of the other end opens there is bin outlet (5), feedstock outlet (3) are located the one end top of the installation actuating mechanism of vibration sieve (4), hopper, its characterized in that are installed out to the below of casing (1) internal vibration sieve (4): the driving mechanism comprises a driving motor (7), a driving shaft (8) and an eccentric shaft disc (9), a supporting plate (10) is arranged below the feeding outlet (3) in the machine shell (1), connecting plates (11) are arranged on two sides of the supporting plate (10), the vibrating sieve plate (4) is positioned between the two connecting plates (11), the front part and the rear part of both sides of the vibrating screen plate (4) are respectively provided with a sliding groove block (12), the inner wall of the shell (1) and the inner wall of the connecting plate (11) are fixedly connected with rollers (13) matched with the sliding grooves of the sliding groove blocks (12) at the positions corresponding to the sliding groove blocks (12), the sliding groove blocks (12) correspond to the rollers (13) one by one, the middle part of one end of the vibrating sieve plate (4) close to the support plate (10) is provided with a transverse strip-shaped hole, a limit slotted plate (14) matched with the strip-shaped hole is arranged in the strip-shaped hole, the eccentric shaft disc (9) is arranged in the limit groove plate (14), the front side and the rear side of the eccentric shaft disc (9) are contacted with the limiting groove plates (14), avoiding gaps (15) are reserved between the left side and the right side of the eccentric shaft disc (9) and the limiting groove plates (14), one end of the driving shaft (8) is eccentrically connected with the eccentric shaft disc (9), the other end of the driving shaft is connected with the driving motor (7), and the driving motor (7) is fixed on the supporting plate (10).

2. A novel screening mechanism for a rice mill as claimed in claim 1, wherein: one end of the driving shaft (8) connected with the eccentric shaft disc (9) is provided with a vertical plane, and the eccentric shaft disc (9) is provided with a connecting hole matched with the driving shaft (8) so that the eccentric shaft disc (9) is sleeved on the driving shaft (8).

3. A novel screening mechanism for a rice mill as claimed in claim 1, wherein: avoidance gaps (15) on the left side and the right side of the strip-shaped hole are semicircular.

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