CN2325969Y - Small efficient multifunction rice-wheat thresher - Google Patents

Abstract

The utility model relates to a small rice and wheat thresher with high efficiency and multi-function, which is improved on the basis of a small rice and wheat thresher with high efficiency and multi-function (announcement number is CN 2250632 Y) in the prior art. The utility model has the main improvement point that the number of threshing tooth sheets on a threshing disk of a rolling cylinder is three; the direction of a straw outlet is changed and is same to the direction of an impurity blowing outlet; the gap between a concave sieve plate and a guard plate is increased to 3 cm, and an inclination angle alpha 3 between a lower slide plate and a horizontal plane is increased to the range of 45DEG to 50DEG. The utility model has the advantages of high threshing rate, high cleaning rate, high productive efficiency and low damage rate. In addition, the utility model with various kinds of motive power not only can thresh rice and wheat, but also can thresh crops and leguminous products, so the utility model has the strong adaptability.

Description

The multi-functional rice-wheat thresher of small-sized efficient

The utility model relates to a kind of high-efficiency multi-function rice-wheat thresher, is applicable to the threshing of multiple kinds of crops such as rice wheat, corn, beans.

Chinese patent CN2250632Y discloses a kind of " the multi-functional rice-wheat thresher of small-sized efficient "; it includes frame; belt pulley; power transmission shaft; threshing chamber; blower fan; the mouth of putting out cereal; grass outlet; feeding mouth; assorted surplus blow-off outlet; concave grate and cylinder are housed in threshing chamber; helix is evenly equipped with not contour gear piece in the upper edge, the face of cylinder of cylinder; the hulling disk of cylinder one end is a planar disk; on hulling disk, be evenly equipped with the threshing gear piece that becomes 2 jiaos of α with its center line; the threshing gear piece is 4, the mouth of putting out cereal; grass outlet; assorted surplus blow-off outlet is distributed on four different orientation with feeding mouth.The shortcoming of above-mentioned patent is as follows: 1, being evenly equipped with the threshing gear piece that becomes 2 jiaos of α with center line on the drum threshing dish is 4, and evidence is not an optimum value, to the feeding poor performance of crop.2, when selecting tractor with small four wheels, hand tractor, agricultural tricycle as mating power for use, its grass outlet Lysimachia sikokiana direction and institute's outfitting tool interfere and influence operation.3, lower skateboard and horizontal plane inclination alpha 3 are less than normal, make by the seed degree under the threshing chamber row and assorted remaining sliding unfavorable.4, the minimum clearance between concave grate and the backplate is 2cm, makes its seed, dogstail separate not good enough.

The purpose of this utility model is at above-mentioned shortcoming of the prior art; and provide a kind of threshing performance height, clean rate height, production efficiency height, percentage of damage low; mating power is versatile and flexible; adaptability is strong; both the rice wheat can be taken off, the efficient thresher of small-size multifunction of corn, beans multiple kinds of crops can be taken off again.

The purpose of this utility model is to realize like this; it is at prior art " the multi-functional rice-wheat thresher of small-sized efficient " (notification number: improve forming on basis CN2250632Y); its main improvement is as follows: 1, the threshing gear piece on the drum threshing dish is 3, experimental results show that: this improvement is significantly improved to crop feeding performance.2, change former grass outlet direction, make it equidirectional, and install the break-in plate additional, so that dogstail and assorted surplus separating in the grass outlet side with assorted surplus blow-off outlet.This improvement has solved when using little four-wheel to drag a machine, hand tractor, agricultural tricycle as mating power, and its grass outlet Lysimachia sikokiana direction and institute's outfitting tool interfere the problem that influences operation.3, lower skateboard and horizontal plane inclination alpha 3 increase to 45-50 °, and the best is 45 °, make by the seed under the threshing chamber row and assorted remaining sliding more smooth.4, the gap between recessed sieve plate and the backplate is increased to 3cm by minimum 2cm.Make the separating effect of its seed and dogstail better.

The utility model has the advantages that it has threshing performance height, clean rate height, production efficiency height, characteristics that destructive rate is low, can take off the rice wheat, can take off corn, legume crop again, mating power is versatile and flexible, adaptability is strong, can join one-way motors, three phase electric machine and diesel engine, can use tractor with small four wheels, hand tractor and agricultural tricycle again, volume is little, cost is low, conveniently moving, is well suited for rural area self-employed worker, the use of hills hill farmer.

The utility model is described in further detail below in conjunction with drawings and Examples:

Fig. 1 is a front view of the present utility model.

Fig. 2 is the left view of Fig. 1.

Fig. 3 is the vertical view of Fig. 1.

Fig. 4 is that the K-K of Fig. 1 is to view.

Fig. 5 is the front view of gear piece (5).

Fig. 6 is the left view of Fig. 5.

By the embodiment shown in Fig. 1-6 as can be known, the utility model includes frame (1), belt pulley, power transmission shaft, threshing chamber, blower fan (9), put out cereal mouthful (10), grass outlet (7), feeding mouth (15), assorted surplus blow-off outlet (13), concave grate (2) and cylinder (3) are housed in threshing chamber, helix is evenly equipped with not contour gear piece (5) in the upper edge, the face of cylinder of cylinder (3), the hulling disk (19) of cylinder (3) one ends is a planar disk, on hulling disk (19), be evenly equipped with the hulling disk (17) that becomes 2 jiaos of α with its center line, α 2 is 20-30 °, and the best angle of α 2 is 25 °.Threshing gear piece (17) is 3, to improve the feeding performance to crop.

Feeding mouth (15), assorted surplus blow-off outlet (13), put out cereal mouthful (10) are distributed on three different orientation with grass outlet (7), the grass outlet (7) and the same orientation of surplus blow-off outlet (13) (seeing Fig. 2,3) of mixing, and break-in plate (21) is housed in the grass outlet side.So that use tractor with small four wheels, hand tractor and agricultural tricycle as power source.

Blower fan (9) outlet is positioned at threshing chamber lower skateboard (14) lower end and faces assorted surplus blow-off outlet (13), assorted surplus blow-off outlet lower plate (12) is downward-sloping and stretch in the mouth of putting out cereal, lower skateboard (14) is 45-50 ° with horizontal plane inclination alpha 3, the best is 45 °, make by the seed under the threshing chamber row and assorted remaining sliding more smooth, be provided with assorted surplus separating plate (11) at lower skateboard (14) lower end, assorted surplus separating plate (11) is 22-30 ° with the angle α 1 of lower skateboard (14) extended line, and its best angle is 27 °.

Minimum clearance α between concave grate (2) and the backplate (16) is 3cm.Make its seed and dogstail separating effect better.

Gear piece (5) is distributed on the face of cylinder of cylinder (3) along three helixes, and the gear piece of drum front end is low, the nest plate height of rear end, have 15 gear pieces, 6 gear pieces of front end are low, 9 the gear piece height in rear end, gear piece (5) is the triangle gear piece, on one side it has a flanging (seeing Fig. 5,6).

Power source of the present utility model is motor, diesel engine, tractor with small four wheels, hand tractor, agricultural tricycle.

Operation principle of the present utility model is as follows:

Crop is after entering threshing chamber under the air-flow effect that people's promotion and cylinder high speed rotating produced, at first be that threshing gear piece (17) on the drum threshing dish is to its bump and rubbing, threshing, then under the effect of cylinder centrifugal force and air-flow, deliver to the rear portion strike of the gear piece on the week of cylinder garden again, rubbing continuation threshing; Along with the cylinder high speed rotating, cylinder garden week is gone up the effect that gear piece separates dogstail, seed in addition.Separated dogstail is by outside grass outlet (7) the discharge machine.Seed and assorted surplus (the assorted surplus chaff that is meant, the short crushing straw of crop, foreign material such as ashes) fall into lower skateboard (14) through concave grate (2), under the effect of cylinder air-flow, continue to glide along lower skateboard (14), when sliding into the assorted surplus separating plate (11) that becomes 1 jiao of α (27 °) with lower skateboard (14), seed and assorted surplus separating, seed falls into put out cereal mouthful (10), and it is assorted surplus under the synergy of cylinder and fan airflow, continue the assorted surplus blow-off outlet lower plate (12) of bump forward, flowed back to put out cereal mouthful (10) with assorted surplus the separation once more by the seed of assorted surplus wrapped folder, assorted surplusly be blown outside the machine along its blow-off outlet lower plate (12); Realize dogstail, seed, assorted excess-three separation like this, and can obtain high threshing ratio, high clean rate.Carry secretly blow out the loss drop to minimum.

When using diesel engine, cover is loaded onto flat-belt pulley (18) and is got final product on the main shaft vee-pulley.When using tractor with small four wheels, hand tractor, agricultural tricycle, the spindle pulley pulley concial disk that Cheng Yuqi adapts that changes the outfit.Mating power sources such as tractor with small four wheels, hand tractor, agricultural tricycle are installed on the direction of Fig. 3 arrow (20).

Claims (7)

1, a kind of high-efficiency multi-function rice-wheat thresher; it includes frame, belt pulley, power transmission shaft, threshing chamber, blower fan, the mouth of putting out cereal, grass outlet, feeding mouth, assorted surplus blow-off outlet; concave grate and cylinder are housed in threshing chamber; helix is evenly equipped with not contour gear piece (5) in the upper edge, the face of cylinder of cylinder; the hulling disk (19) of cylinder one end is a planar disk; on hulling disk (19), be evenly equipped with the hulling disk (17) that becomes 2 jiaos of α with its center line; α 2 is 20-30 °, it is characterized in that threshing gear piece (17) is 3.

2, thresher according to claim 1; it is characterized in that feeding mouth (15), assorted surplus blow-off outlet (13), put out cereal mouthful (10) are distributed on three different orientation with grass outlet (7); grass outlet (7) and the assorted same orientation of surplus blow-off outlet (13), and break-in plate (21) is housed in the grass outlet side.

3, thresher according to claim 2; it is characterized in that the blower fan outlet is positioned at threshing chamber lower skateboard (14) lower end and faces assorted surplus blow-off outlet (13); assorted surplus blow-off outlet lower plate (12) is downward-sloping and stretch in the mouth of putting out cereal; lower skateboard (14) is 45-50 ° with horizontal plane inclination alpha 3; the best is 45 °; be provided with assorted surplus separating plate (11) at lower skateboard (14) lower end, assorted surplus separating plate (11) is 22-30 ° with the angle α 1 of lower skateboard (14) extended line, and its best angle is 27 °.

4, thresher according to claim 3 is characterized in that the minimum clearance α between concave grate (2) and the backplate (16) is 3cm.

5, thresher according to claim 4; it is characterized in that gear piece (5) is distributed on the face of cylinder of cylinder (3) along three helixes; the gear piece of drum front end is low; the gear piece height of rear end; have 15 gear pieces, 6 gear pieces of front end are low, 9 the gear piece height in rear end; gear piece (5) is the triangle gear piece, on one side it has a flanging.

6, thresher according to claim 5, the best angle that it is characterized in that 2 jiaos of α is 25 °.

7, thresher according to claim 6 is characterized in that its power source is motor, diesel engine, tractor with small four wheels, hand tractor, agricultural tricycle.

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