CN106688449A - Pulling-off and picking machine used for agriculture - Google Patents

Abstract

The invention discloses a pulling-off and picking machine used for agriculture, and relates to the field of small-scale agricultural mechanics. The pulling-off and picking machine comprises a box barrel which is arranged on a support, the box barrel is provided with a feed port and an impurity removing opening, a spike tooth is arranged in the box barrel in a penetrating mode in the axial direction and extends out of a rotating shaft to the outside of the box barrel, the box barrel is divided into a replaceable threshing screen and a cover body which is buckled with the threshing screen, the threshing screen is provided with multiple missing holes, a replaceable impurity removing screen is arranged below the threshing screen, the impurity removing screen is hung on the support, the impurity removing screen is provided with multiple screening holes which are the same size of the missing holes, a fixed material groove is arranged below the impurity removing screen, the inner part of the material groove is provided with a material conveying shaft, the transmission shaft which the spike tooth extends out of and the material conveying shaft are transmitted through the same belt. According to pulling-off and picking machine used for the agriculture, the machine is small in volume, does not occupy too much space, the pulling-off and picking purity degree is high, a machine can conduct pulling-off and picking aimed at various crops, and thus the machine purchasing cost is reduced.

Description

Multi-purpose agricultural threshing machine

Technical field

The present invention relates to small-scale agricultural machinery field, especially a kind of Multi-purpose agricultural threshing machine.

Background technology

It is common at present to obtain agricultural thresher, two kinds are broadly divided into, a kind of machine for being directed to multiple kinds of crops threshing, volume is often very big, it has not been convenient to move everywhere, by regional limitation, takes excessive space.Another kind is directed to the threshing of single crops, mainly it is made up of bucket case, spike-tooth axle, charging aperture, impurity removal port, support frame, screen cloth, wherein spike-tooth axle is axially set in barrel case, screen cloth is the lower half of barrel case, bucket case is fixed on support frame, the crops of wanted threshing are loaded in the bucket case by charging aperture, the belt pulley and belt for driving bucket case side by motor are rotated, so as to allow spike-tooth axle in bucket case inner rotation, spike-tooth thereon pats crops repeatedly, threshing operation is carried out, the cereal for purifying is spilt by screen cloth, and debris are discharged from impurity removal port.But the screen cloth of this thresing machine, is secured firmly on barrel case, it is not easy to changed; therefore a thresing machine can only carry out threshing for a kind of crops, carry out threshing to various types of grain, it is necessary to many different thresing machines; make threshing work not enough to facilitate, waste purchase machine cost；Primary screening is difficult that impurity is cleared, and the crops degree of purity after threshing is not high enough, contains a small amount of impurity.

The content of the invention

For defect present in prior art, it is an object of the invention to provide a kind of Multi-purpose agricultural threshing machine, its small volume is not take up space, de- to pluck high purity, and a machine can be plucked for multiple kinds of crops is de-, save purchase machine cost.

To achieve the above objectives, the present invention is adopted the technical scheme that：A kind of Multi-purpose agricultural threshing machine, the case bucket on support is arranged on including one, which is provided with charging aperture and impurity removal port, one spike-tooth axle is axially penetrated through and is arranged in the case bucket, and it is outer to case bucket to extend a rotary shaft, institute's case bucket is divided into replaceable thrashing screen and the lid fastened with it, the thrashing screen has multiple small openings, a replaceable removal of impurities sieve is provided with below, the hanging of removal of impurities sieve is on the bracket, which is provided with multiple with the small opening size identical sieve aperture, the removal of impurities sieve lower section is also equipped with the hopper of a fixation, it is internally provided with a material transfering shaft, the rotary shaft that the spike-tooth axle extends passes through same belt transmission with material transfering shaft.

On the basis of above-mentioned technical proposal, the side of the threshing lower part of screen, with an axially arranged air blower, the air outlet direction of the air blower is axially vertical with the thrashing screen.

On the basis of above-mentioned technical proposal, the air blower internally extends a rotary shaft, and it is again by belt transmission.

On the basis of above-mentioned technical proposal, the spike-tooth axle is provided with impeller, and the surface of the spike-tooth axle is additionally provided with two relative nail teeth.

On the basis of above-mentioned technical proposal, the material transfering shaft surface in the hopper is provided with screw thread, and the hopper is also connected with a feed cylinder.

On the basis of above-mentioned technical proposal, a material transfering shaft is again provided with the feed cylinder, the material transfering shaft is connected with the material transfering shaft in the hopper by gear train.

On the basis of above-mentioned technical proposal, the rotary shaft that the spike-tooth axle extends is provided with least one replaceable belt pulley.

On the basis of above-mentioned technical proposal, charging aperture and impurity removal port are respectively positioned at the two sides of the lid.

The beneficial effects of the present invention are：The case bucket is combined into by upper and lower two parts, lower part has small opening, the lower section of case bucket is additionally provided with removal of impurities sieve of the hanging on support, sieve aperture and the small opening on the removal of impurities sieve is equal, secondary removal of impurities can be carried out to having taken off the crops plucked in small opening, it is ensured that the de- degree of purity for plucking rear crops；According to be taken off the different crops plucked, the lower part of different removal of impurities sieve and case bucket can also be changed, it is ensured that sieve aperture, small opening are corresponding with required crops size, are convenient for changing, saving purchase machine cost；And machine small volume, excessive space is not take up, regional limitation will not be subject to, so as to save labour intensity.

Brief description of the drawings

Fig. 1 is the dimensional structure diagram of the embodiment of the present invention；

Fig. 2 is the internal structure schematic diagram of Fig. 1.

Reference：Case bucket 1, buckle 10, lid 11, thrashing screen 12, charging aperture 13, impurity removal port 14, small opening 15, spike-tooth axle 16, rotary shaft 17, spike-tooth 18, support 2, air blower 3, air outlet 30, removal of impurities sieve 4, sieve aperture 40, chain bar 41, hopper 5, material transfering shaft 50, feed cylinder 51, belt pulley 6, belt 7.

Specific embodiment

The present invention is described in further detail below in conjunction with accompanying drawing.

As shown in Figure 1, Multi-purpose agricultural threshing machine of the present invention includes a columned case bucket 1, it is erected on a support 2, 1 point of the case bucket is roughly the same two parts, the lid 11 that i.e. thrashing screen 12 of bottom and button are provided thereon, the both sides at the top of the lid 11, one end of one of side is provided with a charging aperture 13, one end of another side is provided with an impurity removal port 14, the inner surface of the lid 11 is laid with spiral ribs (not shown), so that weeds are discharged by impurity removal port 14, the thrashing screen 12 is provided with multiple small openings 15, and be erected at the opening of the thrashing screen 12 at support 2, the thrashing screen 12 can be changed.Two longer side limits relative with thrashing screen 12 of the lid 11, are respectively provided with two buckles 10, for lid 11 is engaged with thrashing screen 12.The side of the bottom of the thrashing screen 12 is provided with an air blower 3, is internally provided with rotary shaft 17, and the longitudinal direction of air blower 3 is provided with an air outlet 30, and the direction of the air outlet 30 is perpendicular with the axial direction of the thrashing screen 12.The lower section of the case bucket 1 is additionally provided with removal of impurities sieve 4, and at least two sides of removal of impurities sieve 4 are hung on support 2 by chain bar 41 respectively, and removal of impurities sieve 4 can be with angle-adjustable, and the chain bar such as this 41 can be disassembled from support 2.In order to be more convenient the replacing of removal of impurities sieve 4, a screen frame (unit) can be connected beforehand through chain bar 41, then removal of impurities sieve 4 is inserted in screen frame (unit), for different crops, need to only extract removal of impurities sieve 4 out, insert other removal of impurities sieve 4.Removal of impurities sieve 4 is through being provided with multiple sieve apertures 40, and the size of each sieve aperture 40 is identical with the small opening 15.The sieve aperture bottom is provided with a hopper 5, and its is substantially u-shaped, and inside is provided with a feed spool 50, and the surface of feed spool 50 is provided with screw thread, to transport the crops sifted out.One end of the hopper 5 connects a feed cylinder 51, is again provided between a screwed feed spool 50, and two feed spools 50 being connected by one group of gear train inside it.

As shown in Fig. 2 the inside of the case bucket 1 axially penetrates through a spike-tooth axle 16, it is used to drive crops in case bucket 1 to roll.The surface of spike-tooth axle 16 is additionally provided with multiple spike-tooths 18, and 18 points of the grade spike-tooth is orthogonal four row setting.Described one end of spike-tooth axle 16 extends further out a rotary shaft 17 to the outside of case bucket 1, the rotary shaft 17 may be connected in external driver device, such as diesel engine, is additionally provided with an at least belt pulley 6 in the rotary shaft 17, and the belt pulley 6 can together be changed with thrashing screen 12 and removal of impurities sieve 4.One belt 7 bypasses the belt pulley 6 and connects feed spool 50 inside the hopper 5, the feed spool 50 and spike-tooth axle 16 is rotated simultaneously.In the present embodiment, two connected belt pulleys 6 are provided with, the belt 7 on another belt pulley 6 connects the rotary shaft 17 of the air blower 3, so as to drive the air blower 3 to dry.

When using, the crops selection plucked thrashing screen 12 and removal of impurities sieve 4 corresponding thereto is taken off as needed first, if it is desired, the quantity of spike-tooth 18 on belt pulley 6 and spike-tooth axle 16 can also be changed according to different crops.After it is each installed in position, open drive device, crops are loaded in casing 1 by charging aperture 13 simultaneously, the rotary shaft 17 now extended drives spike-tooth axle 16 to be rotated to fixed-direction, and two nail teeth 18 on spike-tooth axle 16 pat the crops of inside by turns, play a part of de- plucking, the crops after plucking are taken off by being spilt in the small opening 15 of thrashing screen 12, the weeds removed push ahead along the spiral ribs (not shown) that the inner surface of lid 11 is laid, until being released from impurity removal port 14.By belt pulley 6, the connection of belt 7 between the rotary shaft 17 extended due to the rotary shaft 17 and spike-tooth axle 16 of the air blower 3, air blower 3 is outwards dried by air outlet 30, the impurity blowout in the crops that will be spilt from small opening 15.The crops not being blown drop down onto on removal of impurities sieve 4 under continuing, because the generation that is in contact with the belt pulley having on material transfering shaft 50 of chain bar 41 of removal of impurities sieve 4 is rocked, therefore crops can fall into hopper 5 after screening again, and be sent in feed cylinder 51 by the material transfering shaft 50 for rotating, it is fitted into the sack being already prepared to by feed cylinder 51.

Multi-purpose agricultural threshing machine of the present invention, its removal of impurities sieve 4 and thrashing screen 12 can be changed in groups, to adapt to a variety of crops, such as paddy, wheat, rapeseed, soybean, corn need the crops of threshing, both its degree of purity had been kept, but it is simple and easy to use, not by regional limitation.Meanwhile, also for crops such as peanuts can take off and pluck, when de- plucking is carried out to peanut, the bottom of hopper 5 is replaced by screen cloth, peanut is screened out again, soil thereon is dropped out from screen cloth, crops are packed by feed cylinder 51, are truly realized the function of a tractor serves several purposes.

The present invention is not only limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the invention; however, make any change in its shape or structure, it is every with the present invention it is same or like as technical scheme, within its protection domain.

Claims (8)

1. a kind of Multi-purpose agricultural threshing machine, case bucket (1) on support is arranged on including one, which is provided with charging aperture (13) and impurity removal port (14), one spike-tooth axle (16) is axially penetrated through and is arranged in case bucket (1), and extend a rotary shaft (17) to case bucket (1) outward, it is characterised in that：Case bucket (1) is divided into replaceable thrashing screen (12) and the lid (11) fastened with it, the thrashing screen (12) is with multiple small openings (15), replaceable removal of impurities sieve (4) is provided with below, removal of impurities sieve (4) hanging is on the support (2), which is provided with multiple with the small opening (15) size identical sieve aperture (40), removal of impurities sieve (4) lower section is also equipped with the hopper (5) of a fixation, it is internally provided with a material transfering shaft (50), the rotary shaft (17) that the spike-tooth axle (16) is extended is driven with material transfering shaft (50) by same belt (7).

2. Multi-purpose agricultural threshing machine as claimed in claim 1, it is characterised in that：The side of thrashing screen (12) bottom, with an axially arranged air blower (3), air outlet (30) direction of the air blower (3) is axially vertical with the thrashing screen (12).

3. Multi-purpose agricultural threshing machine as claimed in claim 2, it is characterised in that：The air blower (3) internally extends a rotary shaft (17), and it is driven again by belt (7).

4. Multi-purpose agricultural threshing machine as claimed in claim 1, it is characterised in that：The surface of the spike-tooth axle (16) is additionally provided with orthogonal four nails tooth (18).

5. Multi-purpose agricultural threshing machine as claimed in claim 1, it is characterised in that：Material transfering shaft (50) surface in the hopper (5) is provided with screw thread, and the hopper (5) is also connected with a feed cylinder (51).

6. Multi-purpose agricultural threshing machine as claimed in claim 5, it is characterised in that：A material transfering shaft (50) is again provided with the feed cylinder (51), the material transfering shaft (50) is connected with the material transfering shaft (50) in the hopper (5) by gear train.

7. Multi-purpose agricultural threshing machine as claimed in claim 1, it is characterised in that：The rotary shaft (17) that the spike-tooth axle (16) is extended is provided with least one replaceable belt pulley (6).

8. Multi-purpose agricultural threshing machine as claimed in claim 1, it is characterised in that：Charging aperture (13) and impurity removal port (14) are respectively positioned at the two sides of the lid (11).