CN219923694U

CN219923694U - Paddy stone removing machine

Info

Publication number: CN219923694U
Application number: CN202321351066.6U
Authority: CN
Inventors: 黄孝旭
Original assignee: Dangyang City Chutian Rice Co ltd
Current assignee: Dangyang City Chutian Rice Co ltd
Priority date: 2023-05-30
Filing date: 2023-05-30
Publication date: 2023-10-31
Anticipated expiration: 2033-05-30

Abstract

The utility model provides a paddy stone removing machine which comprises a shell, a feeding pipe, an air inlet pipe, a scattering cavity and a discharging pipe, wherein the feeding pipe, the air inlet pipe, the scattering cavity and the discharging pipe are arranged in the shell, an opening at the top of the scattering cavity is connected with the discharging pipe, an opening at the bottom of the scattering cavity is connected with the air inlet pipe, the discharging pipe vertically extends upwards and penetrates through the outside of the shell and is provided with an exhaust fan, the air inlet pipe vertically extends downwards and extends out of the shell, the feeding pipe is of an inclined structure, the bottom end of the feeding pipe is communicated with the side surface of the air inlet pipe, which is positioned in the inner part of the shell, a three-fork communicating part is formed, an inclined sieve plate is arranged below the three-fork communicating part, and a trash discharging channel communicated to the side surface of the outside of the shell is arranged at the lower end of the sieve plate. According to the utility model, the material collides and rubs with the inner wall in the scattering cavity, and generates rotary airflow, so that stones wrapped in the rice are separated and fall under the action of gravity, and the separation degree is further improved, and the rice with higher quality is obtained.

Description

Paddy stone removing machine

Technical Field

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

Background

The variety of the quality of the raw grain processed by the rice and the increasingly complex processing technology promote the continuous progress and development of the processing technology of the rice. From aspects such as rice cleaning, rice hulling and coarse separation, rice milling, finished product finishing and the like, the rice processing technology and equipment are continuously improved, the operation skill is optimized, the rice resources are fully, effectively and reasonably utilized, the high-grade high-quality rice can be processed, and the high-yield and high-efficiency rice processing is realized.

The raw grain rice contains impurities, which can cause extremely harmful effects on the processing process and the quality of the finished rice, so the impurity removal process of the rice is an indispensable process in the rice processing process. The task of the procedure is to effectively remove various impurities contained in the rice, so as to realize 'rice hulling on the clean rice', and the quality of the effect of the procedure can influence the quality of the finished rice and the technological effects of rice hulling and rice milling. The conventional raw grain rice cleaning procedure is as follows: raw grain rice, primary cleaning, screening, removing stones, magnetic separation and grain cleaning. Impurities are removed through the steps of air separation, screening, gravity separation, magnetic separation and the like.

The stone removing step is one of important steps for removing impurities from rice, and aims to remove stones mixed in the rice, and the stones are difficult to remove in a vibrating screen mode because the particle size of the stones is similar to that of the rice, so that a suction type winnowing machine is generally adopted in the prior art, and the rice is separated from the stones through a weight difference. However, the existing equipment has a certain problem that stones are wrapped and exist in the rice, and the strong ascending wind power generated in the winnowing machine can wrap and clamp part of stones in the rice and draw out the stones, so that the separation effect is not good enough.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model provides a paddy stone removing machine, which solves the problems that stones in the prior art are wrapped in the paddy, and part of stones are wrapped in the paddy and pulled out together by strong rising wind generated in the winnowing machine, so that the separation effect is not good enough.

According to the embodiment of the utility model, the paddy stone removing machine comprises a shell, and a feeding pipe, an air inlet pipe, a scattering cavity and a discharging pipe which are arranged in the shell, wherein the scattering cavity is a closed cavity which is arranged in the shell, an opening at the top of the scattering cavity is connected with the discharging pipe, an opening at the bottom of the scattering cavity is connected with the air inlet pipe, the discharging pipe vertically extends upwards and penetrates to the outside of the shell, an exhaust fan is further arranged on the discharging pipe, outward extraction wind power is generated in the discharging pipe, the air inlet pipe vertically extends downwards and stretches out of the outside of the shell, the feeding pipe is of an inclined structure, the higher end stretches out of the outside of the shell and is connected with a feeding funnel, the lower end of the feeding pipe is communicated with the side surface of the air inlet pipe, which is positioned in the inner part of the shell, a three-fork communicating part is formed, an inclined sieve plate is arranged below the three-fork communicating part, and the lower end of the sieve plate is provided with a trash discharging channel which is communicated to the side surface outside the shell.

Further, the bottom of the shell is also provided with a bracket, so that the shell is higher than the ground, the air inlet pipe extends out of the bottom surface of the shell and is bent and extended to the outside of the shell, and the initial end of the air inlet pipe is upward.

Further, a screen is further arranged at a position lower than the screen plate in the air inlet pipe.

Further, the scattering cavity is of a vertically arranged capsule type structure, the top and the bottom of the scattering cavity are arc surfaces, the vertical side surface is a circular ring surface, and the horizontal sectional area of the vertical side surface of the scattering cavity is far greater than that of the discharge pipe.

Further, the inside a plurality of agitators that still are equipped with of chamber of scattering, along the crisscross distribution of vertical direction between the different agitators, the agitator includes the pivot and sets up in pivot epaxial the blade of scattering, the pivot level sets up on the vertical side of chamber of scattering, and one end is equipped with the motor, and the other end traversers the chamber of scattering, the blade of scattering evenly encircles the setting outside the pivot.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the scattering cavity is arranged between the air inlet pipe and the discharge pipe, and the rice raw material entering the air inlet pipe through the feed pipe is mixed with the high-speed air flow and enters the scattering cavity, so that the scattering cavity is large in volume, the material collides and rubs with the inner wall of the scattering cavity, and generates rotary air flow, so that stones wrapped in the rice are separated out and fall under the action of gravity, and the separation degree is further improved, and the rice with higher quality is obtained;

2. according to the utility model, the stirrer is arranged in the scattering cavity, and the rice is impacted by the stirring blades rotating at high speed when passing through the stirrer in the rising process, so that stones and the rice are dispersed, lighter rice is continuously rising and discharged, and heavier stones fall and are separated, and the separation effect is further improved.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present utility model.

Fig. 2 is an internal side schematic view of an embodiment of the present utility model.

In the above figures: 1. a housing; 2. scattering the cavity; 3. a discharge pipe; 4. an air inlet pipe; 5. a feed pipe; 6. an exhaust fan; 7. a sieve plate; 8. a trash discharging channel; 9. a stirrer; 11. a bracket; 41. a screen; 51. a feed hopper; 91. a rotating shaft; 92. and scattering the blades.

Detailed Description

The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.

As shown in fig. 1, the embodiment of the utility model provides a paddy stone removing machine, which comprises a shell 1, and a feeding pipe 5, an air inlet pipe 4, a scattering cavity 2 and a discharging pipe 3 which are arranged in the shell 1, wherein in the embodiment, the shell 1 is of a hollow square structure, and a bracket 11 is further arranged at the bottom of the shell 1, so that the shell 1 is higher than the ground, and other pipelines are convenient to arrange.

As shown in fig. 2, in a specific scheme, the scattering cavity 2 is a closed cavity arranged inside the casing 1, an opening at the top of the scattering cavity 2 is connected with the discharge pipe 3, an opening at the bottom of the scattering cavity is connected with the air inlet pipe 4, the discharge pipe 3 extends vertically upwards and penetrates to the outside of the casing 1, an exhaust fan 6 is further arranged on the discharge pipe 3, outward extraction wind force is generated in the discharge pipe 3, and the air inlet pipe 4 extends vertically downwards and extends out of the casing 1. The feeding pipe 5 is of an inclined structure, and in this embodiment, the feeding pipe 5 comprises a vertical section and an arc section, wherein the top end of the vertical section extends out of the outer side of the top of the shell 1, and the arc section is located inside the shell 1. The vertical section stretches out the outside one end of casing 1 and still is connected with feed hopper 51, and the bottom of circular arc section then is located the side intercommunication of casing 1 internal portion with intake pipe 4, forms three fork intercommunication portion, the below of three fork intercommunication portion is provided with inclined sieve 7, the lower one end of sieve 7 is equipped with the trash removal passageway 8 that communicates to casing 1 outside side. Wherein the screen plate 7 corresponds to the size of the stone, so that the air flow is easier to pass as much as possible while the stone does not pass through the screen plate 7.

In a further scheme, the air inlet pipe 4 extends out of the bottom surface of the shell 1 and is bent and extended to the outside of the shell 1, and the initial end of the air inlet pipe 4 is arranged upwards. Thus, the air inlet pipe 4 can be prevented from sucking impurities such as dust near the ground, introducing new impurities and damaging the impurity removing effect. In addition, a screen 41 is further provided in the air inlet pipe 4 at a position lower than the screen 7 to filter out impurities such as leaves in the air.

In the preferred scheme of this embodiment, break up the capsule structure that the chamber 2 is vertical setting, its top and bottom are the arc surface, and vertical side is the ring face, and break up the horizontal cross-section of the vertical side of chamber 2 and be greater than row material pipe 3 far away. The structure can enable the entering rice to form a spiral structure in the scattering cavity 2 along with the air flow, and the rice can be continuously rubbed and collided with the inner wall of the scattering cavity 2, so that stone separation can be better completed.

Further preferably, the inside of breaking up chamber 2 still is equipped with a plurality of agitators 9, along the crisscross distribution of vertical direction between the different agitators 9, agitator 9 includes pivot 91 and the blade 92 of breaking up of setting in pivot 91, the pivot 91 level sets up on the vertical side of breaking up chamber 2, and one end is equipped with the motor, and the other end traverser breaks up chamber 2, the blade 92 of breaking up evenly encircles the setting in the pivot 91 outside. During the rising process of the rice, the rice is impacted by the stirring blades rotating at high speed when passing through the stirrer 9, so that stones and the rice are dispersed, lighter rice is continuously rising and discharged, heavier stones fall and are separated, and the separation effect is further improved.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims

1. The utility model provides a corn stoning machine which characterized in that: including casing and setting at inside inlet pipe, the intake pipe of casing, break up the chamber and arrange the material pipe, break up the chamber and be setting up at the inside closed cavity of casing, break up chamber open-top and arrange material union coupling, bottom opening and air inlet connection, arrange the material pipe up vertical extension and run through to the casing outside, still be provided with the air exhauster on arranging the material pipe, produce the extraction wind-force outwards in arranging the material pipe, the intake pipe is vertical to extend downwards and stretch out the casing outside, the inlet pipe is inclined structure, and higher one end stretches out the casing outside and is connected with feed hopper, and lower one end and intake pipe are located the side intercommunication of casing inside, form the three fork intercommunication portion, the below of three fork intercommunication portion is provided with the sieve of slope, the lower one end of sieve is equipped with the row miscellaneous passageway of intercommunication to casing outside side.

2. A rice stoner according to claim 1, characterized in that: the bottom of the shell is also provided with a bracket, so that the shell is higher than the ground, the air inlet pipe extends out of the bottom surface of the shell and is bent and extended to the outside of the shell, and the initial end of the air inlet pipe is upward.

3. A rice stoner according to claim 1, characterized in that: the position lower than the sieve plate in the air inlet pipe is also provided with a screen.

4. A rice stoner according to claim 1, characterized in that: the scattering cavity is of a vertically arranged capsule type structure, the top and the bottom of the scattering cavity are arc surfaces, the vertical side surface is a circular ring surface, and the horizontal sectional area of the vertical side surface of the scattering cavity is far greater than that of the discharge pipe.

5. A rice stoner according to claim 1, characterized in that: the inside a plurality of agitators that still are equipped with of chamber of breaking up, along the crisscross distribution of vertical direction between the different agitators, the agitator includes the pivot and sets up in pivot epaxial blade of breaking up, the pivot level sets up on breaking up the vertical side in chamber, and one end is equipped with the motor, and the other end transversely passes and breaks up the chamber, it evenly encircles the setting in the pivot outside to break up the blade.