CN210449790U

CN210449790U - Special drum precleaner for rice treatment

Info

Publication number: CN210449790U
Application number: CN201921238401.5U
Authority: CN
Inventors: 童鹏
Original assignee: Hunan Zefeng Ecological Agriculture Technology Co ltd
Current assignee: Hunan Zefeng Ecological Agriculture Technology Co ltd
Priority date: 2019-08-01
Filing date: 2019-08-01
Publication date: 2020-05-05
Anticipated expiration: 2029-08-01

Abstract

Special drum precleaner is handled to corn, box including the slope setting, set up slope and both ends open-ended interior sieve section of thick bamboo and outer sieve section of thick bamboo in the box respectively, the circular shape fixed plate of one end fixed connection of interior sieve section of thick bamboo and outer sieve section of thick bamboo, the feed port is seted up at the fixed plate middle part, set up big miscellaneous export and corn export on the box low side lateral wall respectively, little miscellaneous export is seted up to box low side lower part, the feeding section of thick bamboo of fixed mounting slope on the box high side lateral wall, the low side and the feed port of feeding section of thick bamboo communicate with each other, the high-end of feeding section of thick bamboo sets up feeder hopper and air-. The utility model has the advantages that: the utility model discloses simple structure, when the feeding, the wind that the air-supply line flows out blows in a feeding section of thick bamboo and an inner screen section of thick bamboo with large-scale impurity such as dust, light leather sheath impurity, straw, rope made of hemp etc. and avoids dust, light leather sheath impurity loss to the external world, avoids large-scale impurity such as straw, rope made of hemp to block up the feed inlet.

Description

Special drum precleaner for rice treatment

Technical Field

The utility model belongs to the technical field of the corn is handled and specifically relates to a special drum precleaner is handled to corn.

Background

During the process of harvesting, threshing, piling, drying and transporting, various impurities are easy to be mixed into the paddy, in the cleaning process of processing the paddy, the paddy needs to be firstly cleaned, large impurities and small impurities which are easy to be removed in the paddy are removed, the large impurities such as straws, hemp ropes, soil blocks, bricks and the like, and the small impurities such as gravels, broken rice grains, broken stones and the like can be effectively prevented from influencing the operation of subsequent equipment. The existing rice primary cleaning procedure generally adopts a cylindrical primary cleaning sieve, but when the rice is fed, not only dust and light husk impurities are easy to escape to the outside from a feed port, but also large impurities such as straws, hemp ropes and the like are easy to block the feed port when the feeding amount is large.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a special drum precleaner is handled to corn, it is when the feeding, and dust, light crust impurity can not the loss to the external world, and large-scale impurity such as straw, rope made of hemp can not block up the feed inlet.

The utility model discloses a realize above-mentioned purpose, realize through following technical scheme: a cylindrical pre-cleaning sieve special for rice treatment comprises a box body which is obliquely arranged, wherein an inner sieve cylinder and an outer sieve cylinder which are oblique and have two open ends are respectively arranged in the box body, a rotating device is arranged in the box body and can drive the inner sieve cylinder and the outer sieve cylinder to rotate relative to the box body, the inner sieve cylinder is positioned in the outer sieve cylinder, one end of each of the inner sieve cylinder and the outer sieve cylinder is fixedly connected with a circular fixing plate, a feeding hole is formed in the middle of each fixing plate, a large impurity outlet and a rice outlet are respectively formed in the side wall of the lower side of the box body, the rice outlet is positioned below the large impurity outlet, the large impurity outlet is communicated with a cavity in the inner sieve cylinder, a first baffle plate capable of sealing the large impurity outlet is hinged to the side part of the large impurity outlet, the rice outlet is communicated with a cavity between the inner sieve cylinder and the outer sieve cylinder, a second baffle plate capable of sealing the rice outlet is hinged to the side part of the rice outlet, a small, an inclined feeding cylinder is fixedly installed on the side wall of the high side of the box body, the lower end of the feeding cylinder is communicated with the feeding hole, the high end of the feeding cylinder is respectively provided with a feeding hopper and an air inlet pipe, the feeding hopper is positioned on the upper portion of the air inlet pipe, and the air inlet pipe is parallel to the feeding cylinder.

The utility model has the advantages that: the utility model discloses simple structure, when the feeding, the wind that the air-supply line flows out blows in a feeding section of thick bamboo and an inner screen section of thick bamboo with large-scale impurity such as dust, light leather sheath impurity, straw, rope made of hemp etc. and avoids dust, light leather sheath impurity loss to the external world, avoids large-scale impurity such as straw, rope made of hemp to block up the feed inlet. After entering an inner screen drum, large impurities such as straws, hemp ropes and the like are left in the inner screen drum, small impurities such as paddy, gravel, broken rice grains, broken stones and the like enter an outer screen drum, paddy is left in the outer screen drum, and small impurities such as gravel, broken rice grains, broken stones and the like enter a box body. The utility model discloses can emit impurity and corn after will sieving through opening first baffle, second baffle and third baffle. The utility model discloses the box seals when the screening, avoids dust, light crust impurity loss to the external world, prevents air pollution.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

A cylindrical precleaner special for rice treatment is shown in figure 1 and comprises a box body 1 which is obliquely arranged, an inner screen drum 2 and an outer screen drum 3 which are oblique and have two open ends are respectively arranged in the box body 1, a rotating device is arranged in the box body 1 and can drive the inner screen drum 2 and the outer screen drum 3 to rotate relative to the box body 1, the inner screen drum 2 is positioned in the outer screen drum 3, one end of each of the inner screen drum 2 and the outer screen drum 3 is fixedly connected with a circular fixing plate 4, a feeding hole 5 is formed in the middle of each fixing plate 4, a large impurity outlet and a rice outlet are respectively formed in the lower side wall of the box body 1, the rice outlet is positioned below the large impurity outlet and is communicated with a cavity in the inner screen drum 2, the side part of the large impurity outlet is hinged with a first baffle plate 6 capable of sealing the large impurity outlet, the rice outlet is communicated with a cavity between the inner screen drum 2 and the outer screen drum 3, the side part of the rice outlet is hinged with, the lower part of the low side of the box body 1 is provided with a small impurity outlet, the side part of the small impurity outlet is hinged with a third baffle plate 8 capable of sealing the small impurity outlet, an inclined feeding cylinder 9 is fixedly arranged on the side wall of the high side of the box body 1, the low side of the feeding cylinder 9 is communicated with the feeding hole 5, the high end of the feeding cylinder 9 is respectively provided with a feeding hopper 10 and an air inlet pipe 11, the feeding hopper 10 is positioned on the upper part of the air inlet pipe 11, and the air inlet pipe 11 is parallel to the feeding cylinder. The air inlet pipe 11 is connected with a fan or an air supply pipeline, and outside air enters the feeding cylinder 9 and the inner screen cylinder 2 through the air inlet pipe 11. When the structure is used for feeding, the air flowing out of the air inlet pipe 11 blows dust, light husk impurities, large impurities such as straws, hemp ropes and the like into the feeding cylinder 9 and the inner screen cylinder 2, so that the dust and the light husk impurities are prevented from escaping to the outside, and the large impurities such as the straws, the hemp ropes and the like are prevented from blocking the feeding hole. After getting into interior sieve section of thick bamboo 2, large-scale impurity such as straw, rope made of hemp stays in interior sieve section of thick bamboo 2, and small-size impurity such as corn and grit, broken rice grain, rubble gets into outer sieve section of thick bamboo 3, and corn stays in outer sieve section of thick bamboo 3, and small-size impurity such as grit, broken rice grain, rubble gets into box 1. The screened foreign substances and rice can be discharged by opening the first, second and

third barriers

6, 7 and 8. The box body 1 is closed during screening by the structure, so that dust and light husk impurities are prevented from being dissipated to the outside, and air pollution is prevented.

The inclination angles of the box body 1, the inner screen drum 2 and the outer screen drum 3 are the same, and the included angles between the box body 1, the inner screen drum 2 and the outer screen drum 3 and the horizontal direction are 5.5-8.5 degrees. The structure is convenient for rice and impurities to leave.

The coarse sieve holes 12 on the inner sieve cylinder 2 are round holes, the diameter of the coarse sieve holes 12 is 14mm-18mm, the fine sieve holes 13 on the outer sieve cylinder 3 are long holes, and the size of the fine sieve holes 13 is (1.8mm-2mm) × 20 mm. This structure facilitates the screening of rice and impurities.

The rotating device is provided with a plurality of bearings 14 and motors 15, preferably, the number of the bearings 14 is two, the two bearings 14 are respectively installed between the peripheries of the two ends of the outer screen drum 3 and the inner wall of the box body 1, the motors 15 are fixedly installed on the box body 1, gears 16 are fixedly installed on output shafts of the motors 15, gear rings 17 are installed on the peripheries of the outer screen drums 3, and the gears 16 are meshed with the gear rings 17. This kind of stable in structure, and do not have bearing structure in interior sieve section of thick bamboo 2 and the outer sieve section of thick bamboo 3, the corn screening of being convenient for avoids impurity winding to cause the jam on bearing structure. The ring gear 17 can drive an outer screen drum 3 to rotate, the outer screen drum 3 can drive an inner screen drum 2 through a fixing plate 4, a bearing 14 plays a role in supporting the outer screen drum 3, and the outer screen drum 3 is stressed uniformly in the rotating process, so that deformation is avoided. The rotating device can be arranged on the outer wall of the box body 1 through the motor, the support frames are arranged in the inner screen cylinder 2 and the outer screen cylinder 3, and the output shaft of the motor is connected with the support frames. The structure is simple and convenient to maintain, but the structure easily causes large impurities such as straws, hemp ropes and the like to be wound on the support frame, thereby easily causing blockage.

The lower part of the box body 1 is provided with a roller 18. This structure facilitates the movement of the case 1.

Technical scheme of the utility model not be restricted to the utility model the within range of embodiment. The technical contents not described in detail in the present invention are all known techniques.

Claims

1. The special cylindrical pre-cleaning sieve for rice treatment is characterized in that: comprises a box body (1) which is obliquely arranged, an inner screen drum (2) and an outer screen drum (3) which are inclined and have two open ends are respectively arranged in the box body (1), a rotating device is arranged in the box body (1) and can drive the inner screen drum (2) and the outer screen drum (3) to rotate relative to the box body (1), the inner screen drum (2) is positioned in the outer screen drum (3), one end of the inner screen drum (2) and one end of the outer screen drum (3) are fixedly connected with a round fixing plate (4), the middle part of the fixing plate (4) is provided with a feeding hole (5), the side wall of the lower side of the box body (1) is respectively provided with a large impurity outlet and a rice outlet, the rice outlet is positioned below the large impurity outlet, the large impurity outlet is communicated with the inner cavity of the inner screen drum (2), the side part of the large impurity outlet is hinged with a first baffle plate (6) which can seal the large impurity outlet, the rice outlet is communicated with the cavity between the, the articulated second baffle (7) that can seal the corn export of corn export lateral part, little miscellaneous export is seted up to box (1) low side lower part, the articulated third baffle (8) that can seal little miscellaneous export of miscellaneous export lateral part of little miscellaneous export, feeding cylinder (9) of fixed mounting slope on box (1) high side lateral wall, the low side and feed port (5) of feeding cylinder (9) communicate with each other, the high-end of feeding cylinder (9) sets up feeder hopper (10) and air-supply line (11) respectively, feeder hopper (10) are located air-supply line (11) upper portion, air-supply line (11) are parallel with feeding cylinder (9).

2. The special cylindrical precleaner for rice processing according to claim 1, wherein: the inclination angles of the box body (1), the inner screen drum (2) and the outer screen drum (3) are the same, and the included angles of the box body (1), the inner screen drum (2) and the outer screen drum (3) and the horizontal direction are 5.5-8.5 degrees.

3. The special cylindrical precleaner for rice processing according to claim 1, wherein: the coarse sieve pores (12) on the inner sieve cylinder (2) are round pores, the diameter of the coarse sieve pores (12) is 14mm-18mm, the fine sieve pores (13) on the outer sieve cylinder (3) are long pores, and the size of the fine sieve pores (13) is (1.8mm-2mm) × 20 mm.

4. The special cylindrical precleaner for rice processing according to claim 1, wherein: the rotary device have bearing (14) and motor (15), bearing (14) are two, two bearing (14) are installed respectively between outer sieve section of thick bamboo (3) both ends periphery and box (1) inner wall, motor (15) fixed mounting is on box (1), fixed mounting gear (16) on the output shaft of motor (15), outer sieve section of thick bamboo (3) periphery installation ring gear (17), gear (16) and ring gear (17) meshing.

5. The special cylindrical precleaner for rice processing according to claim 1, wherein: the lower part of the box body (1) is provided with a roller (18).