CN213991738U

CN213991738U - Seed production, threshing and grain cleaning device for hybrid rice

Info

Publication number: CN213991738U
Application number: CN202021874269.XU
Authority: CN
Inventors: 曹庆云; 朱彩章
Original assignee: Hubei Zhongxiang Agricultural Technology Co ltd
Current assignee: Hubei Zhongxiang Agricultural Technology Co ltd
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2021-08-20
Anticipated expiration: 2030-09-01

Abstract

The utility model discloses a grain cleaning device is threshed in hybrid rice seed production, relate to the agricultural machine field, the power distribution box comprises a box body, the threshing roller that is connected with two symmetric distributions is rotated through the pivot in the inside top of box, the feed inlet that corresponds with two threshing roller positions is seted up to the left side top of box, the below of two threshing roller is equipped with the first filter screen that washs the setting, the lateral wall all around of first filter screen and the inside wall sliding connection all around of box, the lower extreme fixedly connected with ejector pin of first filter screen, the lower extreme fixedly connected with kicking block of ejector pin, the below of first filter screen is equipped with the dead lever of vertical setting, the pole wall middle part of dead lever is cup jointed through-hole and ejector pin activity, fixedly connected with spring between dead lever and the kicking block, the spring cup joints with the ejector pin activity. The utility model discloses can effectively thresh the rice to can carry out multiple screening separation to the grain of rice and the impurity of threshing, improve the grain of rice threshing effect to the rice, the people of being convenient for use.

Description

Seed production, threshing and grain cleaning device for hybrid rice

Technical Field

The utility model relates to the field of agricultural machinery, in particular to a seed production, threshing and grain cleaning device for hybrid rice.

Background

The hybrid rice is produced by using two rice varieties with certain genetic difference and complementary excellent characters to produce the first generation hybrid with heterosis. Namely, the combination of the first filial generation hybrid with strong dominance generated by the hybridization between two rice varieties (lines) with different genetic compositions.

At present, when hybrid rice is used for seed production, rice grains and straws need to be threshed, then the rice grains are selected for seed production, and in the prior art, when the hybrid rice is threshed, more straw scrap impurities are doped in the rice grains, so that the subsequent seed production selection of people is influenced, the rice grains and straw impurities also need to be screened, the labor intensity of people is increased, and the seed production efficiency is influenced.

Therefore, it is necessary to invent a seed production, threshing and grain cleaning device for hybrid rice to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a grain cleaning device is threshed in hybrid rice seed production to solve the hybrid rice who provides in the above-mentioned background art when threshing, have more straw piece impurity doping in the rice grain, influence the follow-up seed production of selecting of people, still need filter rice grain and straw impurity, increased people's intensity of labour, influence the problem of seed production efficiency.

In order to achieve the above object, the utility model provides a following technical scheme: a seed production, threshing and grain cleaning device for hybrid rice comprises a box body, wherein two threshing rollers which are symmetrically distributed are rotatably connected to the upper part inside the box body through a rotating shaft, a feed inlet corresponding to the positions of the two threshing rollers is formed in the upper part on the left side of the box body, a first filter screen which is cleaned and arranged is arranged below the two threshing rollers, the peripheral side wall of the first filter screen is in sliding connection with the peripheral inner side wall of the box body, a top rod is fixedly connected to the lower end of the first filter screen, a top block is fixedly connected to the lower end of the top rod, a fixed rod which is longitudinally arranged is arranged below the first filter screen, the middle part of the rod wall of the fixed rod is movably sleeved with the top rod through a through hole, a spring is fixedly connected between the fixed rod and the top block, the spring is movably sleeved with the top rod, a cam is tightly contacted with the lower part of the top block, and a rotating rod is fixedly connected to the left side of the cam, the left end of bull stick runs through the left side of box and rotates with the box through the bearing and be connected, the left lateral wall fixedly connected with rotating electrical machines of box, the output of rotating electrical machines passes through the shaft coupling and is connected with the bull stick rotation, the discharge gate that corresponds with first filter screen position is seted up to the right side wall of box, the first fan of left lateral wall below fixedly connected with of box, the air intake that corresponds with first fan position is seted up to the left side below of box, the air outlet has been seted up to the right side wall below of box, the fixed second filter screen that is equipped with in inside of air outlet, the lower extreme middle part fixedly connected with discharging pipe of box, the pipe wall of discharging pipe is equipped with the control valve.

Preferably, the right end of the feed inlet is fixedly connected with two first guide plates which are symmetrically distributed, and the two first guide plates are obliquely arranged.

Preferably, the top of first filter screen is equipped with the second deflector that two symmetries set up, two the second deflector is the slope setting, and two opposite both ends of second deflector respectively with two inside wall fixed connection of the left and right sides of box.

Preferably, the equal fixedly connected with riser in first filter screen lower extreme left and right sides, two the equal fixedly connected with slider of the opposite both sides lower extreme of riser, two inside walls all seted up about the box with slider assorted spout.

Preferably, the middle part of the upper end of the box body is fixedly connected with a second fan, and an opening corresponding to the second fan is formed in the upper side wall of the box body.

Preferably, the four corners of the lower end of the box body are fixedly connected with supporting rods, and the lower ends of the supporting rods are fixedly connected with non-slip mats.

The utility model discloses a technological effect and advantage:

1. the rice threshing machine is characterized in that straws and rice grains of rice can be separated and threshed through mutual matching of the box body, the feeding port and the two threshing rollers, the rice grains and residual impurities fall downwards and fall on a first filter screen, the rotating motor drives the rotating rod to rotate, the rotating rod drives the cam to rotate, the cam can intermittently push the ejector block upwards in a rotating mode, downward elastic force can be applied to the ejector block through the arranged spring, so that the ejector block can reciprocate up and down, the ejector block drives the ejector rod to reciprocate up and down, the ejector rod drives the first filter screen to reciprocate up and down, so that the rice grains and larger impurities falling on the first filter screen are filtered, the rice grains and smaller impurities fall downwards through the first filter screen, and the larger impurities are discharged through the discharging port;

2. the first fan arranged can blow air to the inside of the box body, so that the primarily filtered rice grains and smaller impurities can be blown, the rice grains and the smaller impurities can be filtered again through the second filter screen, the smaller impurities are discharged through the second filter screen, and the rice grains fall into the bottom of the inside of the box body;

3. can be with the rice grain discharge in the box through the discharging pipe that is equipped with, can down blow to the box inside from last through the second fan that is equipped with to can blow the inside remaining rice grain of box downwards, be convenient for discharge the rice grain, avoid the rice grain to remain.

Drawings

Fig. 1 is a schematic front sectional view of the present invention.

Fig. 2 is an enlarged schematic structural diagram of a portion a in fig. 1 according to the present invention.

Fig. 3 is an enlarged schematic structural diagram of a portion B in fig. 2 according to the present invention.

In the figure: 1. a box body; 2. a threshing roller; 3. a first filter screen; 4. a top rod; 5. a top block; 6. fixing the rod; 7. a spring; 8. a cam; 9. a rotating rod; 10. a rotating electric machine; 11. a first fan; 12. a second filter screen; 13. a discharge pipe; 14. a first guide plate; 15. a second guide plate; 16. a vertical plate; 17. a slider; 18. a second fan; 19. a support rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a seed production, threshing and grain cleaning device for hybrid rice as shown in figures 1-3, which comprises a box body 1, two threshing rollers 2 which are symmetrically distributed are rotatably connected with the upper part inside the box body 1 through a rotating shaft, a feed inlet corresponding to the positions of the two threshing rollers 2 is arranged on the upper part on the left side of the box body 1, a first filter screen 3 which is arranged for cleaning is arranged below the two threshing rollers 2, the peripheral side wall of the first filter screen 3 is slidably connected with the peripheral inner side wall of the box body 1, a mandril 4 is fixedly connected with the lower end of the first filter screen 3, a top block 5 is fixedly connected with the lower end of the mandril 4, a fixed rod 6 which is longitudinally arranged is arranged below the first filter screen 3, the middle part of the rod wall of the fixed rod 6 is movably sleeved with the mandril 4 through a through hole, a spring 7 is fixedly connected between the fixed rod 6 and the top block 5, the spring 7 is movably sleeved with the mandril 4, a cam 8 is closely contacted with the lower part of the top block 5, a rotating rod 9 is fixedly connected to the left side of the cam 8, the left end of the rotating rod 9 penetrates through the left side of the box body 1 and is rotatably connected with the box body 1 through a bearing, a rotating motor 10 is fixedly connected to the left outer side wall of the box body 1, the output end of the rotating motor 10 is rotatably connected with the rotating rod 9 through a coupler, a discharge port corresponding to the position of the first filter screen 3 is formed in the right side wall of the box body 1, a first fan 11 is fixedly connected below the left outer side wall of the box body 1, an air inlet corresponding to the position of the first fan 11 is formed below the left side of the box body 1, an air outlet is formed below the right side wall of the box body 1, a second filter screen 12 is fixedly arranged inside the air outlet, a discharge pipe 13 is fixedly connected to the middle part of the lower end of the box body 1, a control valve is arranged on the pipe wall of the discharge pipe 13, a driving mechanism is fixedly arranged on the outer side of the box body 1, and the two threshing rollers 2 can be driven to rotate relatively through the driving mechanism, this is prior art.

As shown in figure 1, the right end of the feeding hole is fixedly connected with two first guide plates 14 which are symmetrically distributed, and the two first guide plates 14 are obliquely arranged, so that rice with straws can be conveniently placed into the box body 1 and placed between the two threshing rollers 2 for threshing.

As shown in figure 1, two second guide plates 15 which are symmetrically arranged are arranged above the first filter screen 3, the two second guide plates 15 are obliquely arranged, and two opposite ends of the two second guide plates 15 are fixedly connected with the left inner side wall and the right inner side wall of the box body 1 respectively, so that threshed rice grains and impurities can be collected towards the middle part and discharged downwards.

As shown in fig. 3, the equal fixedly connected with riser 16 of the 3 lower extremes left and right sides of first filter screen, the equal fixedly connected with slider 17 of the both sides lower extreme that two riser 16 are opposite, two inside walls all seted up about box 1 with slider 17 assorted spout, can make first filter screen 3 more stable when reciprocating.

As shown in fig. 1, the upper end middle part fixedly connected with second fan 18 of box 1, the opening that corresponds with second fan 18 position is seted up to the last lateral wall of box 1, and second fan 18 can be to the inside from last down blowing of box 1 to can blow the inside remaining grain of rice of box 1 downwards, be convenient for discharge the grain of rice, avoid the grain of rice to remain.

As shown in figure 1, the four corners of the lower end of the box body 1 are fixedly connected with supporting rods 19, and the lower ends of the four supporting rods 19 are fixedly connected with non-slip mats, so that the device can be stably supported.

The utility model discloses the theory of operation:

when the rice threshing machine is used, rice with straws is placed into the box body 1 from the feeding hole, the two threshing rollers 2 rotate relatively to thresh the rice, rice grains and residual impurities fall downwards and fall on the first filter screen 3, the rotating motor 10 drives the rotating rod 9 to rotate, the rotating rod 9 drives the cam 8 to rotate, the cam 8 rotates to intermittently push the ejector block 5 upwards, downward elastic force can be applied to the ejector block 5 through the arranged spring 7, the ejector block 5 can reciprocate up and down, the ejector block 5 drives the ejector rod 4 to reciprocate up and down, the ejector rod 4 drives the first filter screen 3 to reciprocate up and down, so that the rice grains and larger impurities falling on the first filter screen 3 are filtered, the rice grains and smaller impurities fall downwards through the first filter screen 3, the larger impurities are discharged through the discharging hole, and air can be blown into the box body 1 through the arranged first fan 11, thereby can blow to the rice grain after the prefilter and less impurity, can filter rice grain and less impurity once more through second filter screen 12, less impurity is discharged through second filter screen 12, and the rice grain falls into the inside bottom of box 1.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A seed production, threshing and grain cleaning device for hybrid rice is characterized in that: comprises a box body (1), two threshing rollers (2) which are symmetrically distributed are rotatably connected above the inside of the box body (1) through a rotating shaft, a feed inlet corresponding to the positions of the two threshing rollers (2) is arranged above the left side of the box body (1), a first filter screen (3) which is arranged for cleaning is arranged below the two threshing rollers (2), the peripheral side walls of the first filter screen (3) are slidably connected with the peripheral inner side walls of the box body (1), a top rod (4) is fixedly connected with the lower end of the first filter screen (3), a top block (5) is fixedly connected with the lower end of the top rod (4), a fixing rod (6) which is longitudinally arranged is arranged below the first filter screen (3), the middle part of the rod wall of the fixing rod (6) is movably sleeved with the top rod (4) through a through hole, and a spring (7) is fixedly connected between the fixing rod (6) and the top block (5), the spring (7) is movably sleeved with the ejector rod (4), the cam (8) is in close contact with the lower part of the ejector block (5), a rotating rod (9) is fixedly connected to the left side of the cam (8), the left end of the rotating rod (9) penetrates through the left side of the box body (1) and is rotatably connected with the box body (1) through a bearing, a rotating motor (10) is fixedly connected to the left outer side wall of the box body (1), the output end of the rotating motor (10) is rotatably connected with the rotating rod (9) through a coupler, a discharge port corresponding to the position of the first filter screen (3) is formed in the right side wall of the box body (1), a first fan (11) is fixedly connected to the lower part of the left outer side wall of the box body (1), an air inlet corresponding to the position of the first fan (11) is formed in the lower part of the left side wall of the box body (1), and an air outlet is formed in the lower part of the right side wall of the box body (1), the inside of air outlet is fixed and is equipped with second filter screen (12), the lower extreme middle part fixedly connected with discharging pipe (13) of box (1), the pipe wall of discharging pipe (13) is equipped with the control valve.

2. The seed production, threshing and grain cleaning device for hybrid rice according to claim 1, characterized in that: the right-hand member fixedly connected with of feed inlet has two symmetric distribution's first deflector (14), two first deflector (14) are the slope setting.

3. The seed production, threshing and grain cleaning device for hybrid rice according to claim 1, characterized in that: the top of first filter screen (3) is equipped with second deflector (15) that two symmetries set up, two second deflector (15) are the slope setting, and two second deflector (15) opposite both ends respectively with two inside wall fixed connection of the left and right sides of box (1).

4. The seed production, threshing and grain cleaning device for hybrid rice according to claim 1, characterized in that: first filter screen (3) lower extreme left and right sides equal fixedly connected with riser (16), two the equal fixedly connected with slider (17) of the both sides lower extreme that riser (16) are opposite, two inside walls all seted up about box (1) with slider (17) assorted spout.

5. The seed production, threshing and grain cleaning device for hybrid rice according to claim 1, characterized in that: the upper end middle part fixedly connected with second fan (18) of box (1), the opening that corresponds with second fan (18) position is seted up to the last lateral wall of box (1).

6. The seed production, threshing and grain cleaning device for hybrid rice according to claim 1, characterized in that: the box is characterized in that supporting rods (19) are fixedly connected to four corners of the lower end of the box body (1), and anti-slip pads are fixedly connected to the lower ends of the supporting rods (19).