CN2063336U

CN2063336U - Thresher

Info

Publication number: CN2063336U
Application number: CN 89213412
Authority: CN
Inventors: 冠咸智; 肖永良; 张德善; 王必康
Original assignee: Machine Repair Factory Nanchong Prefecture Water Conservancy And Power Capital
Current assignee: Machine Repair Factory Nanchong Prefecture Water Conservancy And Power Capital
Priority date: 1989-12-26
Filing date: 1989-12-26
Publication date: 1990-10-10

Abstract

The utility model relates to a threshing machine for rice and wheat, which is composed of a roller with toothed nails, a screen and a windowing device, wherein, the same sides of the roller and the screen are provided with knife holders; each knife holder is provided with a plurality of blades, wherein, one end of each blade is fixed, and the cantilever on the other end extends out; the position between every two blades is provided with a gap which has a small top and a big bottom. The toothed nails of the roller can pass through the shortest part of the gap freely, and the utility model enhances the ratio of the separation of grain and chaff.

Description

Thresher

The utility model is a thresher machine, is mainly used to wheat, the grain of rice are separated from straw and husk.

In the design of thresher, people always require thresher machine threshing efficiency height, and threshing is thorough.In the threshing course of paddy and wheat; because wheat and husk thereof clad tightlyer; purify so wheat is more difficult; so the design of most of thresher machines at first requires to satisfy the needs of wheat threshing; not only require grain all to take off from straw; and require grain to separate clearly with husk; in known thresher machine; the general cylinder that a high speed rotating is all arranged; have spike-tooth; wheat is peeled off out from the husk of straw and coating grain, separate straw, separate wheat clear with husk by a pneumatic separation device at last by the gauze that certain order number is arranged.But in known device, accomplish that the device of said structure is not easy fully wheat to be separated from the husk that clads it though wheat peeled off easily from straw.At last, the most complex structure of known thresher machine, weight is big.Power requires big.For satisfying the hill farmer convenient in carrying, require the thresher machine structure small and exquisite, practicality, the power of use is easy to get, can and small-sized dynamic power machine supporting, preferably can use the electromotor of single-phase electric energy drive.Yet such thresher machine that can reach above-mentioned requirements also seldom.

The purpose of this utility model is to provide a kind of thresher machine with higher threshing efficiency, and particularly the efficient that wheat is separated from husk is higher.

Another purpose of the present utility model is: improve the precision of pneumatic separation device, isolated husk is not mixed wheat.

Another purpose of the present utility model is: can in time the straw that enters thresher be separated, make the continuous operation of threshing function.

Other purpose of the present utility model is: handled easily alleviates the weight of thresher, and working power is less.

The purpose of this utility model realizes by following proposal: designed thresher is by the cylinder of band spike-tooth, and screen cloth and pneumatic separation device are made.Leaning on the homonymy of screen cloth and cylinder into that knife rest more than one group is housed, knife rest is parallel to each other in the longitudinal direction in cylinder axis, it is plural blade that each group knife rest is equipped with quantity, blade one end is fixed on the knife rest, the other end stretches out as cantilever, and spatial vertical is in cylinder axis in the longitudinal direction, and the cross sectional shape of blade is a triangle, adjacent knife blades forms up big and down small gap, the spike-tooth of cylinder can be freely by the least part in gap.

The said structure of this programme is in order to improve the separative efficiency of wheat and husk.After wheat is peeled off from straw by spike-tooth together with the husk that coats grain, suppose that some wheat and husk also do not separate, they enter the gap that is formed by knife rest, when the spike-tooth of cylinder passed through from the gap, the violent friction of generation can be separated wheat and its husk of coating effectively.

Said blade also has following function, can long straw be cut into cutting back, easily is eliminated after entering screen cloth.

Separated wheat, husk and short straw grass are brought into screen cloth.Screen cloth is the gauze that certain order number is arranged, and when screen cloth is long-pending when the above-mentioned material of one deck is arranged, long straw cutting back is by taking away from breach with the doffer of dredging tooth, and wheat and husk spill from screen cloth, enter pneumatic separation device.Said pneumatic separation device comprises a funnel-shaped container that is connected under the metallic sieve, is convenient to collect the wheat and the husk that spill from sieve mesh.One opening is arranged at the container bottom, and opening part is connected with the fan of a band spiral case, and spiral case forms the husk outlet along the extension of air outlet tangent line, aims at the opening part of funnel-shaped container on spiral case, also has wheat outlet.This pneumatic separation device can be separated wheat and husk, and its separation principle is: it is honest and clean that wind forms one wind from air outlet, when the mixture of wheat and husk when the opening part of funnel-shaped container leaks down, honest and clean through wind, heavier wheat falls, and lighter husk is blown away by wind, reaches the purpose of selection by winnowing.

This programme is provided with the baffle plate of an angle adjustable in the exit of husk, according to circumstances the luffing angle of controllable register reaches the purpose that only allows husk to be blown.

Scheme of the present utility model also is included in and forms a breach on the side cover of cylinder, and the straw of band grain can be sent into cylinder from the side, can send into handled easily again from the front.

The front portion that this programme also is included in cylinder is provided with a platform, shields on the one hand, also is convenient to put in order straw simultaneously, for threshing is prepared,

Scheme of the present utility model is further described by embodiment.

Fig. 1 is the front view of thresher;

Fig. 2 is the thresher knife rest, the stereogram of blade and screen cloth;

Fig. 3 is the knife rest front view;

Fig. 4 is the cylinder stereogram;

Fig. 5 is the cylinder schematic diagram;

Figure 1 shows that the front view of thresher.The thresher of present embodiment is by cylinder (1), knife rest (2), and screen cloth (3), pneumatic separation device (4), deslagging cylinder (5), and loam cake (6), frame (7) is formed.

The principle schematic of knife rest such as Fig. 2 and Fig. 3.Knife rest is made of two groups of upright blades.The number of blade can be determined according to cylinder spike-tooth number.Its cross sectional shape is a triangle, adjacent two blades leave the gap, see the funnel-form gap that formation is up big and down small from the front, as a blade (21) wherein, (22) shown in, the installation site of knife rest can guarantee less gap location, and the spike-tooth of cylinder can freely pass through, therefore the knife rest of present embodiment is parallel to cylinder axis in the longitudinal direction, and blade keeps level.

The blade of present embodiment is cut into cutting back by angle steel, and with the top sharpening, an end is welded on angle steel (23), and on the tool rest bracket that (24) form, other end cantilever stretches out.Knife rest is connected with support (7) with screw,

The cylinder of this programme (1) is as Fig. 4, and is shown in Figure 5, and integral body is a hollow garden barrel shape pipe, is distributed with spike-tooth (11) on it, and spike-tooth (11) is to curve U-shaped with steel wire, is connected with cylinder wall (12) with screw.

The slightly taper of cylinder end of this programme.

Screen cloth (3) is the net that certain order number is arranged, and allows wheat and husk to spill from the order of hole.The screen cloth of this programme is to distribute along the garden of moving of spike-tooth is all, and coats whole cylinder on aspect the length.Screen cloth end on the Zhou Fangxiang of garden is connected with knife rest, one end and frame form a microscler breach (8), in indentation, there deslagging cylinder (5) are installed, and cylinder (5) is a rotating hollow garden tube, length and cylinder (1) are isometric, and parallel with the axis of cylinder (1) in the longitudinal direction.Be distributed with spike (51) on the surface of cylinder (5), when it rotates, spike (51) will be deposited in the cutting back straw of screen cloth breach (8) and take away, and screen cloth be stopped up, so that continuous operation.

Be provided with the platen (9) of feeding platform in the front of cylinder, platen (9) works to cover deslagging cylinder (5) on the one hand for thresher provides work top, can put straw, handled easily in order on the other hand.

The top cover of this programme (6) plays a part to cover cylinder (1), and by securing cover plate (61), removable cover (62) is formed, and connects with hinge (63).Securing cover plate (61) is screwed on frame.For ease of maintenance, removable cover (62) can start along hinge (63).

On cover (6), a side of cylinder (1) is provided with an opening (64), the sealing of opening one end, and the blind end of opening reaches the spike-tooth root place of cylinder (1) end, and the width of opening one end can be filled in a straw and be as the criterion.

Pneumatic separation device (4) comprises a funnel-shaped container (43), be connected under the screen cloth (3), container (43), one opening b is arranged, opening part is connected with the fan (41) of a band spiral case (42), and a is that the extension of air outlet, spiral case (42) forms husk outlet d, over against container (43) opening part wheat outlet c is arranged, for preventing to leak out, the sealing of whole wind screening device.

For reaching clearly purpose of sorting, the baffle plate (44) of one adjustable angle is set on the direction of husk outlet, and microscler baffle plate (44) one ends connect with hinge (45), and the other end blocks with pin (46), pin be placed on moon shape poor in, can tighten up and loosen with screw.Regulate the pin position, can change the luffing angle of baffle plate (44).

Claims

1; a kind of thresher; cylinder by a band spike-tooth; coat a metallic sieve along its garden week of moving; the bottom connects a pneumatic separation device and forms; it is characterized in that: the knife rest that is parallel to cylinder axis more than at least one group in the longitudinal direction is housed at homonymy near screen cloth and cylinder; on each group knife rest quantity being housed at least is plural one group of blade; blade one end is fixed on the knife rest; the other end stretches out as cantilever; in the length direction spatial vertical in cylinder axis; the cross sectional shape of blade is a triangle, and adjacent knife blades forms up big and down small gap, the spike-tooth of cylinder can be freely by the least part in gap.

2, thresher according to claim 1 is characterized in that: the number of knife rest is two groups.

3, according to claim 1 and 2 described threshers, it is characterized in that: blade is cut into angle steel, and with the welding of an affixed end.

4, thresher according to claim 1; it is characterized in that: said pneumatic separation device comprises a funnel-shaped container that is connected under the metallic sieve; one opening is arranged at the container bottom; opening part is connected with the fan of a band spiral case; spiral case forms the husk outlet along the extension of air outlet tangent line; on spiral case, aim at the opening part of funnel-shaped container, also have wheat outlet.

5, thresher according to claim 4 is characterized in that: the bottom that said pneumatic separation device also is included in the husk outlet has the baffle plate of an activity, baffle plate one end to connect with hinge, and the other end has adjustable pin to order, and pin is ordered and is installed in the semilune groove.

6, thresher according to claim 1; it is characterized in that: locate to be equipped with deslagging cylinder (5) at breach (8); cylinder (5) is a rotating hollow garden tube; length and cylinder (1) are isometric; and parallel with the axis of cylinder (1) in the longitudinal direction, on the surface of cylinder (5), be distributed with spike (51).

7, thresher according to claim 1 is characterized in that: the side on cover (6) is provided with an opening (64), the sealing of opening one end, and the blind end of opening reaches the spike-tooth root place of cylinder (1) end.

8, thresher according to claim 1 is characterized in that: the platen (9) that does not have feeding platform in the front of cylinder.