CN2488269Y

CN2488269Y - Complex rice thresher

Info

Publication number: CN2488269Y
Application number: CN 01231425
Authority: CN
Inventors: 张瑞丰
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-07-13
Filing date: 2001-07-13
Publication date: 2002-05-01
Anticipated expiration: 2011-07-13

Abstract

The utility model relates to a complex rice threshing device, belonging to the filed of agricultural machine. The utility model consists of a rack, a feeding mechanism, a threshing mechanism, a driving mechanism and a cleaning mechanism. The threshing mechanism consists of a threshing cavity, a secondary threshing roller and a secondary threshing roller sieve. The threshing cavity consists of an upper unit of circular tap and a lower unit of circular tap which are provided with a blow type stripping fork. The utility model has the advantages of low labor intensity, good operation environment, high threshing performance, lower rice grain grinding rate and being capable of keeping integrity of stalk.

Description

Compound paddy-eliminator

The utility model relates to a kind of compound paddy-eliminator, belongs to agricultural mechanical field.

Existing paddy-eliminator has a variety of, and the thresher that has exists labour intensity big, the shortcoming that production efficiency is low, and the threshing performance that has is lower, and grain of rice percentage of damage is higher, and mostly has shortcomings such as the operating environment flying dust is serious.

The purpose of this utility model is to provide in order to overcome above-mentioned weak point of the prior art that a kind of labour intensity is low, operating environment good, threshing performance is high, grain of rice percentage of damage is low and can keep the complete compound paddy-eliminator of cane.

The purpose of this utility model is achieved in that this machine is made up of frame, intake mechanism, separating mechanism, driving mechanism and dressing mechanism.

Frame is made of forebay, afer bay, re-threshing roller frame, is installed on the framework of running gear;

Intake mechanism is made of upper and lower two collar-shaped chain assemblies, is configured in the front end of threshing cavity, and last chain assemblies is installed two covers and compressed spring, and the upper and lower universal connecting shaft that is driven by reductor drives running;

Separating mechanism is become by threshing cavity, re-threshing roller, re-threshing roller screen banks, threshing cavity is made of two endless rubber belts that are set with the bow stripping fork up and down, adhesive tape is supported and tensioning by drive roll and driven roll separately, forms threshing cavity between two endless rubber belts, and drive roll drives the adhesive tape running; Re-threshing roller is positioned at the back lower place of threshing cavity, and the bow stripping fork is housed on the cylinder; The re-threshing roller sieve is positioned at the re-threshing roller below;

Driving mechanism is made up of main shaft, upper and lower initiative roll shaft, reductor driving shaft, re-threshing roller axle, vibratory sieve driving shaft, drives running by main shaft;

Dressing mechanism is made up of centrifugal blower, air duct, inlet scoop and vibratory sieve, the inlet scoop is positioned at the top of the cylindrical void sieve plate rear end of the back lower place of re-threshing roller sieve and vibratory sieve, vibratory sieve is positioned at re-threshing roller sieve below, its front end mounting bar hole sizer plate, assorted surplus groove is installed in the rear end, the middle round-hole punched plate of installing, the round-hole punched plate below is a rice-collecting bucket.

Re-threshing roller also can be positioned at the below of threshing cavity, and the bow stripping fork is housed on the cylinder.

Compared with prior art, the utlity model has following advantage:

1, production efficiency height: per hour take off paddy 2100-2400 kilogram.

2, labour intensity is low: be to feed the rice bundle automatically during threshing, irritate grain automatically and go into bag, only need manually put the rice bundle and hang bag.

3, operating environment is good: cleaning fan is sent the scene to chip, flying dust.

4, wide adaptability: both fixed set threshings on the field, can disperse threshing in the field traction again.

5, threshing performance height:＞99%, can guarantee that cane is complete.

6, percentage of damage is low:＜0.25%

7, percentage of impurity is low:＜0.5%

8, total loss rate is low:＜1.25%

The drawing explanation of accompanying drawing:

Fig. 1 is first embodiment front view of the present utility model.

Fig. 2 is second embodiment front view of the present utility model.

Fig. 3 is a left view of the present utility model.

Fig. 4 is a bow stripping fork front view of the present utility model.

Below in conjunction with drawings and Examples in detail the utility model is described in detail.

This machine is the machinery that utilizes bow stripping fork brush threshing mechanism that paddy rice is carried out threshing, and it is made up of frame, intake mechanism, separating mechanism, driving mechanism and dressing mechanism.

Embodiment 1: as Fig. 1, shown in Figure 3, frame is made of forebay 30, afer bay 28, re-threshing roller frame 27, is installed on the framework 25 of running gear, and running gear is made of metal framework 25 and four rubber tires 26.

Intake mechanism is made of upper and lower two collar-shaped chain assemblies 1,35, be configured in the front end of threshing cavity 5, last chain assemblies 1 is installed two covers and is compressed spring 2, under the effect of spring 2, two chain assemblies 1,35 cooperate clamping rice bundle, the upper and lower universal connecting

shaft

36,34 that is driven by reductor 14 drives running, along drive roller shaft to feeding threshing cavity 5.

Separating mechanism is by threshing cavity 5; re-threshing roller 18; re-threshing roller sieve 19 is formed; as shown in Figure 4; threshing cavity 5 is by two being set with the endless rubber belt 8 that bends stripping fork 6 up and down; 7 constitute; adhesive tape 8; 7 quilts drive roll 10 separately; 13 and driven roll 4; 3 support and tensioning; at two endless rubber belts 8; form threshing cavity 5 between 7; drive roll 10; 13 drive the adhesive tape running; the rice bundle that enters threshing cavity 5 is curried threshing; in order to prevent that the grain of rice from splashing; in the back upper place of last drive roll 10 grain-blocking plate 12 has been installed; time grain-blocking plate 29 has been installed in the back lower place at following drive roll 13, flows in the re-threshing roller sieve 19 for the ease of the grain of rice, in the back of following drive roll 13 grain of rice slide plate 15 has been installed.

Re-threshing roller 18 is positioned at the back lower place of threshing cavity 5, and bow stripping fork 6 is housed on the cylinder 18, and the fringe head that it sends threshing cavity 5 the fringe head of sending here and the surplus elevator of mixing here takes off again, outside straw and foreign material discharge machine.

Re-threshing roller sieve 19 is positioned at re-threshing roller 18 belows, and the grain of rice that to be the grain of rice that threshing cavity 5 is sent into take off with re-threshing roller 18 is with its cane that mixes and fringe is first-class separates.

Driving mechanism drives running by main shaft 33 (also being the main shaft of blower fan 32) by main shaft 33,

initiative roll shaft

9,11, reductor 14 driving shafts 16, re-threshing roller axle 37, vibratory sieve driving shaft 31 are formed up and down.

Dressing mechanism is made up of centrifugal blower 32, air duct 17, inlet scoop 20 and vibratory sieve 38, blower fan 32 is installed on the forebay 30, inlet scoop 20 is positioned at the top of cylindrical void sieve plate 21 rear ends of the back lower place of re-threshing roller sieve 19 and vibratory sieve 38, will siphon away less than the foreign material of grain of rice proportion.

Vibratory sieve 38 is positioned at re-threshing roller and sieves 19 belows, its front end mounting bar hole sizer plate 21, assorted surplus groove 23 is installed in the rear end, the centre is equipped with round-hole punched plate 22, round-hole punched plate 22 belows are rice-collecting buckets 24, sieve the front end that the grain of rice that 19 holes spill and assorted excess drop to cylindrical void sieve plate 21 from re-threshing roller, under the shake of vibratory sieve 38, move backward, 20 places are cleaned by blower fan 32 to the inlet scoop, the clean grain of rice moves after continuing, by the circular hole sieve aperture rice-collecting bucket that bleeds, can not flow into assorted surplus groove 23 by the fringe head and the assorted excess of round-hole mesh.

As shown in Figure 2, re-threshing roller 18 also can be positioned at the below of threshing cavity 5, and bow stripping fork 6 is housed on the cylinder, and the other parts structure is with embodiment 1.

The course of work of this machine: the fringe head is towards threshing cavity 5 during operation, with rice tie a bundle near a bundle be placed on the rice bundle conveyer belt, send into intake mechanism, the rice bundle moves with chain, the fringe head is brought into threshing cavity 5 together with the part cane under it, under the currying of bow stripping fork 6, purifies seed, straw transports the scene by transporting belt, and the seed of taking off, fringe head, cane, foreign material and dust etc. fly in the re-threshing roller sieve 19.Seed and chip and dust etc. sieve cylindrical void sieve plate 21 front ends that 19 holes drain to vibratory sieve 38 from re-threshing roller, and do not have no progeny to move thereupon and cleaned by blower fan 32, clean seed moves after continuing, by the circular hole sieve aperture rice-collecting bucket 24 that bleeds, flow into elevator then, delivering to grain storage box again pours in the bag, can not move into assorted surplus groove 23 by the fringe head and the foreign material of circular hole sieve aperture, deliver in the re-threshing roller sieve 19 by assorted surplus elevator, with first the currying of fringe of failing to spill from the re-threshing roller sieve aperture through re-threshing roller 18, rub and purify seed, cane that can not be by the re-threshing roller sieve aperture and foreign material etc. with the rotation of cylinder outside row's stem mouth 39 discharge machines.

Claims

1, a kind of compound paddy-eliminator comprises frame, intake mechanism, separating mechanism, driving mechanism and dressing mechanism, it is characterized in that:

A, frame are made of forebay, afer bay, re-threshing roller frame, are installed on the framework of running gear;

B, intake mechanism are made of upper and lower two collar-shaped chain assemblies, are configured in the front end of threshing cavity, and last chain assemblies is installed two covers and compressed spring, and the upper and lower universal connecting shaft that is driven by reductor drives running;

C, separating mechanism are become by threshing cavity, re-threshing roller, re-threshing roller screen banks, threshing cavity is made of two endless rubber belts that are set with the bow stripping fork up and down, adhesive tape is supported and tensioning by drive roll and driven roll separately, forms threshing cavity between two endless rubber belts, and drive roll drives the adhesive tape running; Re-threshing roller is positioned at the back lower place of threshing cavity, and the bow stripping fork is housed on the cylinder; The re-threshing roller sieve is positioned at the re-threshing roller below;

D, driving mechanism are made up of main shaft, upper and lower initiative roll shaft, reductor driving shaft, re-threshing roller axle, vibratory sieve driving shaft, drive running by main shaft;

E, dressing mechanism are made up of centrifugal blower, air duct, inlet scoop and vibratory sieve, the inlet scoop is positioned at the top of the cylindrical void sieve plate rear end of the back lower place of re-threshing roller sieve and vibratory sieve, vibratory sieve is positioned at re-threshing roller sieve below, its front end mounting bar hole sizer plate, assorted surplus groove is installed in the rear end, the centre is equipped with round-hole punched plate, and the round-hole punched plate below is a rice-collecting bucket.

2, compound paddy-eliminator according to claim 1 is characterized in that re-threshing roller also can be positioned at the below of threshing cavity, is equipped with the bow stripping fork on the cylinder.