CN209930965U

CN209930965U - Rice thresher

Info

Publication number: CN209930965U
Application number: CN201920603676.8U
Authority: CN
Inventors: 吴陵松
Original assignee: Hubei Huazhixia Seed Co Ltd
Current assignee: Hubei Huazhixia Seed Co Ltd
Priority date: 2019-04-29
Filing date: 2019-04-29
Publication date: 2020-01-14
Anticipated expiration: 2029-04-29

Abstract

The utility model discloses a rice thresher, which relates to the technical field of rice thresher and solves the problems of low threshing rate, insufficient separation of rice straw and grain and poor shock absorption of the prior rice thresher. The top of casing is provided with the feed inlet, the top of feed inlet is provided with the apron, the below of casing is provided with the discharge gate, the both sides of discharge gate all are provided with the bracing piece, the below of bracing piece is provided with universal auto-lock wheel, the outside of bracing piece is provided with damping spring, the inside of casing is provided with the baffle, the outside of connecting rod is provided with the threshing teeth, be provided with the initiative belt between second rotation axis and the driving shaft, be provided with driving belt between first rotation axis and the second rotation axis, servo motor's below is provided with the air-blower, one side of air-blower is provided with the dust screen, the opposite side of air-blower is provided with air inlet mechanism, be provided with the connecting pipe between air-blower and.

Description

Rice thresher

Technical Field

The utility model relates to the technical field of rice threshing machines, in particular to a rice threshing machine.

Background

The rice harvesting mechanization technology comprises subsection harvesting mechanization and combined harvesting mechanization. With the continuous expansion of rice planting area and the great increase of yield in China, rice needs to be threshed after being harvested, rice grains are convenient to process, the mechanization of rice threshing operation increasingly attracts attention in all aspects, and farmers have urgent needs on threshing machines with high efficiency, high quality, high automation degree and low labor intensity, so that the rice threshing machines are more and more widely used.

At present, rice threshing machines on the market are insufficient in separation of straws and grains in the threshing process, namely, more straws are contained in the grains, so that great inconvenience is caused to processing of rice grains in the later period, the threshing efficiency is low, the shock absorption performance is poor in the rice threshing process, and the requirements of users cannot be met, so that the market urgently needs to develop a rice threshing machine to help people to solve the existing problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rice thresher to solve the problem that the existing rice thresher who proposes among the above-mentioned background art has low threshing rate, insufficient separation of straw and grain and poor shock absorption.

In order to achieve the above object, the utility model provides a following technical scheme: a rice thresher comprises a shell, a feed inlet is arranged above the shell, a cover plate is arranged above the feed inlet, a discharge outlet is arranged below the shell, support rods are arranged on two sides of the discharge outlet, universal self-locking wheels are arranged below the support rods, damping springs are arranged outside the support rods, a partition plate is arranged inside the shell, a first threshing roller is arranged on one side of the partition plate, a second threshing roller is arranged below the first threshing roller, threshing rollers are arranged on two sides of the first threshing roller, a first rotating shaft is arranged on one side of each threshing roller, one end of the first rotating shaft penetrates through the threshing rollers, one end of the first rotating shaft extends to the outside of the partition plate, a connecting rod is arranged outside the first rotating shaft, threshing teeth are arranged outside the connecting rod, and a plurality of threshing teeth are arranged, and a plurality of threshing teeth are arranged in sequence, a second rotating shaft is arranged below the first rotating shaft, a servo motor is arranged below one end of the second rotating shaft, a driving shaft is arranged on one side of the servo motor, a driving belt is arranged between the second rotating shaft and the driving shaft, a transmission belt is arranged between the first rotating shaft and the second rotating shaft, an air blower is arranged below the servo motor, a dust filtering net is arranged on one side of the air blower, an air inlet mechanism is arranged on the other side of the air blower, and a connecting pipe is arranged between the air blower and the air inlet mechanism.

Preferably, a screen is arranged below the second threshing cylinder, a waste outlet is formed in one side of the screen, a slope is formed below the screen, the two slopes are arranged, and the waste outlet is hermetically connected with the shell and the screen.

Preferably, one side of connecting pipe is provided with the fan housing that expands, one side of expanding the fan housing is provided with the ventilation hole, and the ventilation hole is provided with a plurality of, and a plurality of ventilation hole arranges in proper order, the one end of connecting pipe runs through and extends to the inside of air inlet mechanism, connecting pipe and fan housing sealing connection.

Preferably, the second rotating shaft is in transmission connection with the driving shaft through a driving belt, and the first rotating shaft is in transmission connection with the second rotating shaft through a transmission belt.

Preferably, the feed inlet is connected with the apron is articulated, universal auto-lock wheel all with damping spring and bracing piece fixed connection, the casing all with damping spring and bracing piece welded connection.

Preferably, the first rotating shaft is in key connection with the threshing roller, the threshing teeth are fixedly connected with the connecting rod, and the threshing roller is in welded connection with the connecting rod.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this rice thresher is through setting up first threshing cylinder and second threshing cylinder, the rotation of first rotation axis has driven the rotation of first threshing cylinder, first threshing cylinder rotates and drives threshing teeth on the connecting rod and tentatively thresh the rice, the rotation of second rotation axis has driven the rotation of second threshing cylinder, second threshing cylinder rotates and drives threshing teeth on the connecting rod and carry out meticulous threshing to the rice, through the difference of the threshing teeth number that sets up on first threshing cylinder and the second threshing cylinder, the improvement greatly of rice threshing rate has been made, the problem that the threshing rate of traditional rice thresher is low has been solved.

2. This rice thresher is through setting up the air-blower, connecting pipe and waste outlet, the air-blower work, blow out through the output, wind passes through the connecting pipe and discharges through the homodisperse of fan housing to wind again, the rice granule of exhaust wind process a plurality of ventholes to whereabouts is blown, blow off miscellaneous bits and flat rice granule in the rice granule, miscellaneous bits and flat rice granule can get rid of outside the shell through the waste outlet, made straw and corn separation abundant, the insufficient problem of traditional rice thresher straw and corn separation has been solved

3. This rice thresher has set up damping spring through the outside of bracing piece for job stabilization nature is good in the casing, has fine shock attenuation effect simultaneously.

Drawings

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

FIG. 2 is a view showing the connection relationship between the first threshing cylinder and the first rotating shaft according to the present invention;

fig. 3 is a schematic structural diagram of the air intake mechanism of the present invention.

In the figure: 1. a housing; 2. a feed inlet; 3. a cover plate; 4. a universal self-locking wheel; 5. a damping spring; 6. a support bar; 7. a waste outlet; 8. a discharge port; 9. a partition plate; 10. a servo motor; 11. a first rotating shaft; 12. a second rotation shaft; 13. a drive belt; 14. a drive belt; 15. a dust filter screen; 16. a blower; 17. a connecting pipe; 18. an air inlet mechanism; 19. a slope; 20. a first threshing cylinder; 21. a second threshing cylinder; 22. screening a screen; 23. a threshing roller; 24. threshing teeth; 25. a connecting rod; 26. an air expanding cover; 27. a vent hole; 28. a drive shaft.

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.

Referring to fig. 1-3, the present invention provides an embodiment: a rice thresher comprises a shell 1, a feed inlet 2 is arranged above the shell 1, a cover plate 3 is arranged above the feed inlet 2, a discharge outlet 8 is arranged below the shell 1, support rods 6 are arranged on two sides of the discharge outlet 8, universal self-locking wheels 4 are arranged below the support rods 6, damping springs 5 are arranged outside the support rods 6 and have good damping effect, a partition plate 9 is arranged inside the shell 1, a first threshing roller 20 is arranged on one side of the partition plate 9, a second threshing roller 21 is arranged below the first threshing roller 20, threshing rollers 23 are arranged on two sides of the first threshing roller 20, a first rotating shaft 11 is arranged on one side of each threshing roller 23, one end of the first rotating shaft 11 penetrates through each threshing roller 23, one end of the first rotating shaft 11 extends to the outside of the partition plate 9, a connecting rod 25 is arranged outside the first rotating shaft 11, threshing teeth 24 are arranged outside the connecting rod 25, the threshing teeth 24 are provided with a plurality of threshing teeth 24, the threshing teeth 24 are sequentially arranged, the second rotating shaft 12 is arranged below the first rotating shaft 11, the servo motor 10 is arranged below one end of the second rotating shaft 12, a driving shaft 28 is arranged on one side of the servo motor 10, a driving belt 13 is arranged between the second rotating shaft 12 and the driving shaft 28, a transmission belt 14 is arranged between the first rotating shaft 11 and the second rotating shaft 12, greatly improves the threshing rate of the rice, a blower 16 is arranged below the servo motor 10 to blow off sundry scraps and shrivelled rice particles in the rice particles, the sundry scraps and shrivelled rice particles can be discharged out of the shell 1 through the waste material outlet 7, the straw and the grains are fully separated, the dust filtering net 15 is arranged on one side of the air blower 16, the air inlet mechanism 18 is arranged on the other side of the air blower 16, and the connecting pipe 17 is arranged between the air blower 16 and the air inlet mechanism 18.

Further, a screen 22 is arranged below the second threshing cylinder 21, a waste outlet 7 is arranged on one side of the screen 22, two slopes 19 are arranged below the screen 22, and the waste outlets 7 are hermetically connected with the shell 1 and the screen 22.

Further, one side of connecting pipe 17 is provided with fan housing 26, and one side of fan housing 26 is provided with ventilation hole 27, and ventilation hole 27 is provided with a plurality of, and a plurality of ventilation hole 27 arranges in proper order, and the one end of connecting pipe 17 runs through and extends to the inside of air inlet mechanism 18, and connecting pipe 17 and fan housing 26 sealing connection blow off miscellaneous bits and flat rice grain among the rice grain, and miscellaneous bits and flat rice grain can be got rid of outside casing 1 through waste material export 7.

Further, the second rotating shaft 12 is in transmission connection with the driving shaft 28 through the driving belt 13, and the first rotating shaft 11 is in transmission connection with the second rotating shaft 12 through the transmission belt 14, so that the transmission efficiency between the structures is better.

Further, feed inlet 2 is connected with apron 3 is articulated, universal auto-lock wheel 4 all with damping spring 5 and 6 fixed connection of bracing piece, casing 1 all with damping spring 5 and 6 welded connection of bracing piece for the shock attenuation nature of device is better.

Further, the first rotating shaft 11 is connected with the threshing roller 23 through a key, the threshing teeth 24 are fixedly connected with the connecting rod 25, and the threshing roller 23 is connected with the connecting rod 25 in a welding mode, so that the connection relation between the structures is more stable and safer.

The working principle is as follows: when the threshing device is used, firstly, the cover plate 3 is opened, rice straws with particles are placed in the shell 1 through the feeding hole 2 until the rice straws with the particles contact the first threshing cylinder 20, at the moment, an external power supply is switched on, the servo motor 10 starts to work, the output shaft of the servo motor 10 drives the driving shaft 28 to rotate, the driving shaft 28 drives the second rotating shaft 12 to rotate through the transmission of the driving belt 13, the rotation of the second rotating shaft 12 drives the rotation of the first rotating shaft 11 through the transmission of the transmission belt 14, the rotation of the first rotating shaft 11 drives the rotation of the first threshing cylinder 20, the first threshing cylinder 20 rotates to drive the threshing teeth 24 on the connecting rod 25 to perform preliminary threshing on the rice, the rotation of the second rotating shaft 12 drives the rotation of the second threshing cylinder 21, the second threshing cylinder 21 rotates to drive the threshing teeth 24 on the connecting rod 25 to perform fine threshing on the rice, the number of threshing teeth 24 arranged on the first threshing cylinder 20 and the second threshing cylinder 21 is different, so that the rice threshing rate is greatly improved, rice particles slide onto the screen 22 after threshing by the second threshing cylinder 21, meanwhile, the air blower 16 works, air is blown out through the output end, the air is uniformly dispersed and discharged through the air diffuser 26 through the connecting pipe 17, the discharged air blows the falling rice particles through the plurality of air holes 27, sundry scraps and shrivelled rice particles in the rice particles are blown out, the sundry scraps and shrivelled rice particles can be discharged out of the shell 1 through the waste outlet 7, so that rice straws and the rice particles are fully separated, the screen 22 screens the rice particles due to the working vibration of the air blower 16, the rice particles fall into the discharge port 8 through the slope 19, the sealing valve at the lower end of the discharge port 8 is opened, the threshed rice particles can be taken out, in the threshing process, the damping spring 5 is arranged outside the supporting rod 6, so that the working stability in the shell 1 is good, and a good damping effect is achieved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A rice thresher comprising a housing (1), characterized in that: the threshing device is characterized in that a feeding port (2) is arranged above the shell (1), a cover plate (3) is arranged above the feeding port (2), a discharging port (8) is arranged below the shell (1), supporting rods (6) are arranged on two sides of the discharging port (8), universal self-locking wheels (4) are arranged below the supporting rods (6), damping springs (5) are arranged outside the supporting rods (6), a partition plate (9) is arranged inside the shell (1), a first threshing cylinder (20) is arranged on one side of the partition plate (9), a second threshing cylinder (21) is arranged below the first threshing cylinder (20), threshing rollers (23) are arranged on two sides of the first threshing cylinder (20), a first rotating shaft (11) is arranged on one side of each threshing roller (23), and one end of each first rotating shaft (11) penetrates through each threshing roller (23), and one end of the first rotating shaft (11) extends to the outside of the partition board (9), a connecting rod (25) is arranged outside the first rotating shaft (11), threshing teeth (24) are arranged outside the connecting rod (25), a plurality of threshing teeth (24) are arranged, the plurality of threshing teeth (24) are sequentially arranged, a second rotating shaft (12) is arranged below the first rotating shaft (11), a servo motor (10) is arranged below one end of the second rotating shaft (12), a driving shaft (28) is arranged on one side of the servo motor (10), a driving belt (13) is arranged between the second rotating shaft (12) and the driving shaft (28), a transmission belt (14) is arranged between the first rotating shaft (11) and the second rotating shaft (12), an air blower (16) is arranged below the servo motor (10), and a dust filtering net (15) is arranged on one side of the air blower (16), an air inlet mechanism (18) is arranged on the other side of the air blower (16), and a connecting pipe (17) is arranged between the air blower (16) and the air inlet mechanism (18).

2. A rice thresher according to claim 1, wherein: the lower part of the second threshing cylinder (21) is provided with a screen (22), one side of the screen (22) is provided with a waste outlet (7), the lower part of the screen (22) is provided with a slope (19), the slopes (19) are provided with two, and the waste outlet (7) is hermetically connected with the shell (1) and the screen (22).

3. A rice thresher according to claim 1, wherein: one side of connecting pipe (17) is provided with expands fan housing (26), one side of expanding fan housing (26) is provided with ventilation hole (27), and ventilation hole (27) are provided with a plurality of, and a plurality of ventilation hole (27) arrange in proper order, the one end of connecting pipe (17) runs through and extends to the inside of air inlet mechanism (18), connecting pipe (17) and expand fan housing (26) sealing connection.

4. A rice thresher according to claim 1, wherein: the second rotating shaft (12) is in transmission connection with the driving shaft (28) through a driving belt (13), and the first rotating shaft (11) is in transmission connection with the second rotating shaft (12) through a transmission belt (14).

5. A rice thresher according to claim 1, wherein: feed inlet (2) are connected with apron (3) are articulated, universal auto-lock wheel (4) all with damping spring (5) and bracing piece (6) fixed connection, casing (1) all with damping spring (5) and bracing piece (6) welded connection.

6. A rice thresher according to claim 1, wherein: first rotation axis (11) and threshing roller (23) pass through the key-type connection, threshing teeth (24) and connecting rod (25) fixed connection, threshing roller (23) and connecting rod (25) welded connection.