CN2273105Y - Agricultural threshing machine for rice - Google Patents

Abstract

The utility model discloses an agricultural threshing machine for rice, which comprises an earth pulling plate which is fixed and connected with a machine frame and the machine frame, a pair of symmetric bearing seats are fixedly arranged on the machine frame, a central axis is arranged on the bearing seat, a rolling core is arranged on the central axis, a belt drive device with power is fixedly arranged on one end of the central axis, and the lower surface of the rolling core is provided with a screening bucket fixed on the machine frame; the front edge of the screening bucket is connected with a baffle plate fixed on the machine frame, the lower end of the baffle plate is connected with a screening holding device fixed on the machine frame, and the other edges of the screening bucket inosculates with covers fixed on the machine frame except the front edge; the utility model has the advantages of convenient operation, low production cost, time saving, labour saving, high efficiency, low labour intensity and convenient assembly and disassembly and can realize the automatic separation of the straws and grains.

Description

A kind of agricultural rice thresher

The utility model relates to a kind of farm machinery, particularly a kind of agricultural rice thresher.

At present, the rice thresher that generally use in the rural area is 737 types and 650 types, the rice thresher of these two kinds of models all is a personnel selection masterpiece power, pedal tramps with one's feet, drive rollers running by connecting rod, suspension rod mechanism and big pinion, be provided with a big rectangular wooden barrel, be used for adorning grain and the standing grain bits taken off, the defective of this rice thresher is: heaviness, wearing and tearing are greatly, the manufacturing cost height, the grain of taking off is considered to be worth doing by manually separating with standing grain, and workload is big, efficient is low, labour intensity is big, uses inconvenience, easy break-down, the mounting or dismounting difficulty, collection inconvenience.

The purpose of this utility model provides and a kind ofly is used as power with electromotor or gasoline engine, and simple in structure, light durable, cost is low, and the efficient height can realize automatically that grain separates automatically with the standing grain bits, and flexible to operation, mounting or dismounting are simple, collect agricultural easily rice thresher.

The purpose of this utility model is to realize like this.This agricultural rice thresher has one to drag mud, fix a frame with connecting screw dragging on the mud, be installed with identical and symmetrical bearing block respectively in frame front end both sides, be used for installing a rounded central shaft that can in bearing block, rotate, at the core that rolls that is installed with rice thresher on the central shaft and between the diaxon bearing, end projecting shaft bearing at central shaft is a little longer, fixedly mount a bigger belt pulley (driven pulley) at this end of central shaft by nut, in this back of taking turns an electromotor that is fixed on the frame is installed, be installed with another small belt pulley (driving wheel) on the central shaft of electromotor, two belt pulleys are on same plane, driven pulley is greater than driving wheel, transmission and speed change by the continuous realizable force of belt, the rotating speed that rolls core is exactly the rotating speed of big belt pulley (driven pulley), the rotating speed of small belt pulley (driving wheel) is exactly the rotating speed of electromotor, speed change by big small belt pulley, control the rotating speed that rolls core, provide power by electromotor, electromotor can directly be received (220V) on the single phase alternating current power supply by a cable, and electromotor also can substitute with gasoline engine.At electric power incoming line a leakage switch can be installed, to guarantee safety.Below rolling core, there is a sieve bucket to be fixed on the frame, grain imports in the trailing plants basket by the sieve bucket, the front edge of sieve bucket links to each other with the baffle plate on being fixed on frame, be used for blocking the grain splatter, the baffle plate lower end connects a patch-containing device that is fixed on the frame, is used for splendid attire by rolling the standing grain bits that the core rotation is separated.Be welded with several and insert pin hole on frame, be used for fixing cover, cover inserts in the pin hole by the latch of self, and match with sieve bucket edge, be wrapped in jointly and roll core, when rolling core and rotate, be unlikely making the grain splatter, and all stop and fall in the sieve bucket.

The utility model compared with prior art replaces manpower with power, has saved heavy paddy bucket, and it is little to have a volume, light durable, easy to operate, realize separating of standing grain bits and grain automatically, reduce labor intensity, save human and material resources, reduce production costs, improve the advantage of effect.This machine mounting or dismounting are convenient, also can with supporting uses such as existing rice mill, cracker, grain blow-thresher, realize beating rice, husk rice, pulverizing, the streamlined operation of wind valley.

Fig. 1 is a structural representation of the present utility model.

Now the utility model is elaborated according to Fig. 1.This agricultural rice thresher has one to drag mud 1, fix a frame 2 with connecting screw dragging on the mud 1, two surveys at frame 2 front ends are installed with symmetry and identical bearing block 3 respectively, be used for installing one rounded can be at the central shaft 4 of 3 li rotations of bearing block, on the central shaft 4 and between diaxon bearing 3, what be installed with rice thresher rolls core 5, end projecting shaft bearing 3 at central shaft 4 is a little longer, be installed with the belt drive unit of a charged motivation by nut at this end, belt drive unit, by driven pulley 6 that is fixed in central shaft 4 and the electromotor 7 that is fixed in frame 2, be fixed in the driving wheel 8 on electromotor 7 main shafts and be connected in driven pulley 6 and the belt of driving wheel 89 compositions, driven pulley 6 is greater than driving wheel 8, but the transmission of realizable force and speed change like this, control the rotating speed that rolls core 5, electromotor 7 can directly be received on the single phase alternating current power supply (220V) by a cable, and electromotor 7 can substitute with gasoline engine.Below rolling core 5, a sieve bucket 10 is arranged, grain imports in the large bamboo or wicker basket by sieve bucket 10, sieve bucket 10 is fixed on the frame 2, and the front edge of sieve bucket 10 joins with the baffle plate 11 that is fixed in frame 2, is used for blocking the grain splatter, the lower end of baffle plate 11 connects a patch-containing device 17 that is fixed in frame 2, be welded with on frame 2 if a pin hole is used for fixing cover 13, cover is by the latch of self, insert in the pin hole, and match with sieve bucket edge, be wrapped in jointly and roll core 5, to prevent the grain splatter.Its running is, electromotor 7 starts, pass through belt drive unit, drive central shaft 4 and roll core 5 and rotate, the standing grain of sending into from feeding mouth is under the effect of rolling core 5, and grain splits away off, import in the large bamboo or wicker basket through sieve bucket 10, the standing grain bits roll the tangential direction directive baffle plate 11 of core running in the effect lower edge of rolling core, kept off in the patch-containing device 12 by baffle plate, have realized that grain and standing grain bits are separated.

Claims (1)

1, a kind of agricultural rice thresher, it is characterized in that: it comprises drags mud (1) and is fixed in the frame (2) of dragging on the mud (1), be installed with symmetry and identical bearing block (3) respectively in frame (2) front end both sides, central shaft (4) is installed on bearing block (3), go up and between diaxon bearing (3), be installed with at central shaft (4) and roll core (5), be installed with the belt drive unit of a drive at an end of central shaft (4).Below rolling core (5), a sieve bucket (10) that is fixed on the frame (2) is arranged, and the front edge of sieve bucket (10) joins with the baffle plate (11) that is fixed in frame (2), the lower end of baffle plate (11) connects a patch-containing device (12) that is fixed in frame (2), also has a cover (13) that is fixed in frame (2) and matches with the edge of sieve bucket except that front edge.

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