CN210788115U - Rice screening machine - Google Patents

Abstract

The utility model discloses a rice screening machine, which belongs to the field of rice processing. The rice screening machine comprises a frame, a feeding funnel, a driving member and a screen tray respectively installed on the frame, and the driving member and the screen tray are connected to drive the screen tray to vibrate. , the feeding funnel includes a feeding port and a discharging port. The discharging port is set right above the screen tray. The feeding funnel is also provided with a mesh plate, and the mesh plate is provided with a plurality of mesh holes. The rice screening machine also includes vibration. The motor and the vibration motor are connected with the screen to drive the screen to vibrate. In the above scheme, the rice entering the feeding port of the feeding hopper first passes through the screen plate, and then falls onto the sieve tray through the mesh holes on the screen plate. On the sieve tray, there will be no damage to the sieve tray caused by incomplete rice screening or excessive force on the part of the sieve tray due to the concentrated fall of rice to the part of the sieve tray. The rice sieving machine has the advantages of high purity of rice sieving and protection of the sieve tray from being damaged by excessive local impact force.

Description

A rice screening machine

technical field

The utility model relates to the technical field of rice processing equipment, in particular to a rice screening machine.

Background technique

The rice screening machine is a device used to screen and remove the stones and sundries in the rice. At present, there is also a technology to remove the sundries in the rice by using the specific gravity destoner. Rice, wheat, etc.) and minerals (mainly stones, etc.) differ in density and suspension speed, and use mechanical wind and a screen surface that reciprocates with a certain trajectory to separate minerals from granular materials. No matter what kind of equipment is used, the sieve tray is mostly used. The rice falls into the sieve tray from the feed port, and after being screened by the sieve tray, the impurity-removed rice is obtained, and the rice directly falls into the sieve tray. There are two disadvantages: 1. Rice A large amount of concentrated inflow into the sieve tray in a short time may cause the rice to be screened in time, and the rice is mixed with impurities, resulting in low purity of the rice; 2. The rice falls into the sieve tray from a high place, causing a great impact on the part of the sieve tray, and it is easy to cause damage to the sieve tray.

In view of this, it is necessary to provide a new type of rice screening machine to solve or at least alleviate the above-mentioned technical defects.

Utility model content

The main purpose of the utility model is to provide a rice screening machine, which aims to solve the technical problems that the rice screening machine in the prior art has low purity and the screen tray is easily damaged.

In order to achieve the above purpose, the present utility model provides a rice screening machine, comprising: a frame, a feeding funnel, a driving member and a sieve tray respectively installed on the frame, and the driving member and the sieve tray are connected to The sieve tray is driven to vibrate, the feed funnel includes a feed port and a discharge port, the discharge port is arranged just above the sieve tray, and a mesh plate is also arranged in the feed funnel. The screen plate is provided with a plurality of mesh holes, and the rice screening machine further includes a vibration motor, and the vibration motor is connected with the screen plate to drive the screen plate to vibrate.

Preferably, the driving member comprises a driving motor, a pulley drivingly connected with the driving motor, and a transmission rod connected with the pulley, the transmission rod is also connected with the screen tray, and the transmission rod is connected with the on the outer circumference of the pulley.

Preferably, the sieve tray includes a first sieve tray and a second sieve tray, the first sieve tray and the second sieve tray are both arranged obliquely, and the first sieve tray is arranged above the second sieve tray , the transmission rod is respectively connected with the first sieve tray and the second sieve tray to drive the first sieve tray and the second sieve tray to vibrate, the first sieve tray includes a first through hole, the second sieve tray The sieve tray includes a second through hole, and the diameter of the first through hole is larger than the diameter of the second through hole.

Preferably, the rice screening machine further comprises a first guide plate connected to the bottom end of the first screen tray, a second guide plate connected to the bottom end of the second screen tray, the first guide plate, the The second guide plates are all inclined.

Preferably, the rice screening machine further includes a fan and a casing, the casing includes a first communication port, a second communication port, a first outlet and a second outlet, and the casing is connected to the The fan is communicated, the casing is communicated with the funnel through a second communication port, the sieve tray is arranged in the casing, the second outlet is located below the first outlet, and the first communication port is connected to the hopper. The first outlet is arranged on two opposite sides of the casing.

Preferably, the casing further includes a bottom plate, and the rice screening machine further includes a third guide plate connected to the bottom plate of the casing, and the third guide plate is inclined downward from the casing.

The beneficial effects of the present utility model:

In the above technical solution of the present utility model, the rice screening machine comprises a frame, a feeding funnel, a driving part and a sieve tray respectively installed on the frame, the driving part and the sieve tray are connected to drive the sieve tray to vibrate, and the feeding funnel includes a feeding hopper. The feeding port and the discharging port are arranged directly above the screen tray. The feeding funnel is also provided with a mesh plate. The mesh plate is provided with a plurality of mesh holes. The rice screening machine also includes a vibration motor, a vibration motor and a mesh. The board is connected to drive the stencil to vibrate. In the above scheme, the rice entering the feeding port of the feeding hopper first passes through the mesh plate, and then falls onto the sieve tray through the mesh holes on the mesh plate. On the tray, there will be no damage to the sieve tray caused by incomplete rice screening or excessive force on the part of the sieve tray due to the concentrated fall of rice to the part of the sieve tray. The utility model has the advantages of high sieving purity of the rice and protecting the sieve tray from being damaged by excessive local impact force.

Description of drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are just some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained according to the structures shown in these drawings without any creative effort.

Fig. 1 is the structural representation of the rice screening machine of the embodiment of the present utility model;

Fig. 2 is the partial schematic diagram that the rice screening machine of the utility model embodiment removes the feed funnel;

Fig. 3 is another partial structural representation of the rice screening machine of the embodiment of the present utility model;

Fig. 4 is the structural representation of the feed funnel of the embodiment of the present utility model;

FIG. 5 is a schematic structural diagram of a casing according to an embodiment of the present invention.

The reference signs are: 2-frame; 3-feeding funnel; 4-screen plate; 5-screen plate; 6-drive motor; 7-belt pulley; 8-transmission rod; 9-shell; 10-th A guide plate; 11—second guide plate; 12—third guide plate; 13—fan; 31—feed inlet; 41—first sieve plate; 42—second sieve plate; A communicating port; 92—the second communicating port; 93—the first outlet; 94—the second outlet.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, not all of them. implementation. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

It should be noted that all directional indications (such as up, down, etc.) in the embodiments of the present invention are only used to explain the relative positional relationship, movement situation, etc. , if the specific posture changes, the directional indication also changes accordingly.

In addition, descriptions such as "first", "second", etc. in the present invention are only used for description purposes, and should not be understood as indicating or implying their relative importance or implicitly indicating the number of indicated technical features. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature.

In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but must be based on those of ordinary skill in the art. The combination does not exist and is not within the protection scope required by the present invention.

It should be noted that the directions in the present invention are based on the directions shown in FIG. 1 , that is, “up and down” in the present invention correspond to the “up and down” directions in FIG. 1 respectively.

1-5, the utility model provides a rice screening machine, including:

The frame 2, the feed funnel 3, the driving part and the sieve tray 4 are respectively installed on the frame 2, the driving part and the sieve tray 4 are connected to drive the sieve tray 4 to vibrate, and the feeding funnel 3 includes the feeding port 31 and the discharging The discharge port is arranged just above the sieve tray 4, the feeding funnel 3 is also provided with a mesh plate 5, and a plurality of mesh holes 51 are arranged on the mesh plate 5. The rice screening machine also includes a vibration motor, a vibration motor and a mesh. The plate 5 is connected to drive the screen plate 5 to vibrate.

In the above embodiment, the rice entering the feeding port 31 of the feeding funnel 3 first passes through the screen plate 5, and the vibration motor drives the screen plate 5 to vibrate to prevent the rice from clogging the mesh holes 51. The rice falls on the sieve tray 4 through the mesh holes 51 on the mesh plate 5. The mesh holes 51 can play the role of dispersing the rice. The rice passing through the mesh holes 51 is evenly dispersed and falls on the entire sieve tray 4. Falling to the part of the sieve tray 4 causes the rice to be screened incompletely or the sieve tray 4 is damaged due to excessive force on the part of the sieve tray 4 . In addition, the screen plate 5 can also play a current limiting role, preventing a large amount of rice from falling in a short period of time, resulting in untimely screening or excessive impact force on the sieve tray 4. The utility model has the advantages of high sieving purity of the rice and protecting the sieve tray 4 from being damaged by local impact force. In addition, the screen plate 5 can also play the role of removing large particles of stones or sundries.

In addition, the driving member includes a drive motor 6, a pulley 7 connected to the drive motor 6, a transmission rod 8 connected to the pulley 7, the transmission rod 8 is also connected to the screen tray 4, and the transmission rod 8 is connected to the outer circumferential surface of the pulley 7. . One end of the transmission rod 8 is connected with the outer circumferential surface of the pulley 7, and the other end of the transmission rod 8 is connected with the screen tray 4. One end of the transmission rod 8 moves with the rotation of the pulley 7, so that the other end of the transmission rod drives the screen tray 4 Vibration to achieve the purpose of screening.

In addition, the sieve tray 4 includes a first sieve tray 41 and a second sieve tray 42. The first sieve tray 41 and the second sieve tray 42 are both arranged obliquely. The first sieve tray 41 is arranged above the second sieve tray 42. The first sieve tray 41 and the second sieve tray 42 are respectively connected to drive the first sieve tray 41 and the second sieve tray 42 to vibrate. The first sieve tray 41 includes a first through hole, and the second sieve tray 42 includes a second through hole. , the diameter of the first through hole is larger than the diameter of the second through hole. The first sieve tray 41 is mainly used to remove large particles of stones or sundries in the rice, and the rice falls into the second sieve tray 42 from the first through hole of the first sieve tray 41, and the second sieve tray 42 is mainly used to remove the rice. Small-grained stones or small-grained debris. Of course, the rice screening machine also includes a first guide plate 10 connected to the bottom end of the first screen tray 41, and a second guide plate 11 connected to the bottom end of the second screen tray 42. The first guide plate 10 and the second guide plate 11 are tilted settings. The large-grained stones or sundries on the first sieve tray 41 are discharged through the first guide plate 10 , and the rice on the second sieve tray 42 is discharged through the second guide plate 11 .

Further, the rice screening machine also includes a fan 13 and a casing 9. The casing 9 includes a first communication port 91, a second communication port 92, a first outlet 93 and a second outlet 94, and the casing 9 passes through the first communication port 91. Connected with the fan 13, the casing 9 is communicated with the funnel through the second communication port 92, the casing 9 is provided with a sieve plate 4, the second outlet 94 is located below the first outlet 93, and the first communication port 91 and the first outlet 93 are provided on the two opposite sides of the housing 9 . The wind blown in by the fan 13 enters from the first communication port 91 and is discharged from the first outlet 93 to take away impurities such as broken bran in the rice. The second communication port 92 is located at the top of the casing 9 , and the rice falls into the sieve tray 4 from the second communication port 92 . Further, the casing 9 further includes a bottom plate, and the rice screening machine further includes a third guide plate 12 connected with the bottom plate of the casing 9 , and the third guide plate 12 is inclined downward from the casing 9 . Small particles of debris falling into the bottom plate of the housing 9 are discharged from the third guide plate 12 . Through the first guide plate 10, the second guide plate 11, and the third guide plate 12, large-particle stones, rice, and small-particle sundries are separately discharged to avoid cross-contamination.

The rice screening machine of the present utility model comprises a frame 2, a feeding funnel 3, a driving part and a sieve tray 4 respectively installed on the frame 2, the driving part and the sieve tray 4 are connected to drive the sieve tray 4 to vibrate, and the feeding funnel 3 Including the feeding port 31 and the discharging port, the discharging port is arranged directly above the screen tray 4, the feeding funnel 3 is also provided with a mesh plate 5, and the mesh plate 5 is provided with a plurality of mesh holes 51, and the rice screening machine also Including a vibration motor, the vibration motor is connected with the screen plate 5 to drive the screen plate 5 to vibrate. In the above-mentioned scheme, the rice entering the feeding port 31 of the feeding hopper 3 first passes through the mesh plate 5, and falls on the sieve tray 4 through the mesh holes 51 on the mesh plate 5, and the mesh holes 51 play the role of dispersing the rice, which can The rice is evenly dispersed and falls on the entire sieve tray 4, and the sieve tray 4 will not be damaged due to incomplete rice screening or excessive force on the sieve tray 4 due to the concentrated fall of the rice to the part of the sieve tray 4. The utility model has the advantages of high sieving purity of the rice and protecting the sieve tray 4 from being damaged by excessive local impact force.

The above are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model patent. Under the technical concept of the present utility model, the equivalent structure transformation made by using the contents of the present utility model description and accompanying drawings, or direct/ Indirect applications in other related technical fields are included in the scope of patent protection of the present invention.

Claims (6)

1. A rice screening machine, characterized by, includes:

the frame, install respectively in feed hopper, driving piece and sieve tray in the frame, the driving piece with the sieve tray is connected with the drive the sieve tray vibration, feed hopper includes feed inlet and discharge gate, the discharge gate set up in directly over the sieve tray, still be provided with the otter board in the feed hopper, be provided with a plurality of meshes on the otter board, the rice sieve separator still includes vibrating motor, vibrating motor with the otter board is connected with the drive the otter board vibration.

2. The rice screening machine of claim 1, wherein said driving member includes a driving motor, a pulley drivingly connected to said driving motor, and a transmission rod connected to said pulley, said transmission rod being connected to an outer circumferential surface of said pulley, said transmission rod being further connected to said screen tray.

3. The rice screening machine of claim 2, wherein the screen tray comprises a first screen tray and a second screen tray, the first screen tray and the second screen tray are both obliquely arranged, the first screen tray is arranged above the second screen tray, the transmission rod is respectively connected with the first screen tray and the second screen tray to drive the first screen tray and the second screen tray to vibrate, the first screen tray comprises a first through hole, the second screen tray comprises a second through hole, and the diameter of the first through hole is larger than that of the second through hole.

4. The rice screening machine of claim 3, further comprising a first guide plate connected to the first screen tray bottom end and a second guide plate connected to the second screen tray bottom end, wherein the first guide plate and the second guide plate are both obliquely arranged.

5. The rice screening machine of claim 1, further comprising a fan and a housing, the housing including a first communication port, a second communication port, a first outlet, and a second outlet, the housing being in communication with the fan through the first communication port, the housing being in communication with the funnel through the second communication port, the screen tray being disposed within the housing, the second outlet being disposed below the first outlet, the first communication port and the first outlet being disposed on opposite sides of the housing.

6. The rice screening machine of claim 5, wherein the housing further comprises a bottom plate, the rice screening machine further comprising a third guide plate connected to the housing bottom plate, the third guide plate being downwardly inclined from the housing.

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