CN203768519U - Seed cotton cleaner - Google Patents

Abstract

The utility model relates to the field of agricultural machinery and provides a seed cotton cleaner comprising two side plates facing each other, a plurality of grid bars connected between the side plates, a cleaning roller, and a plurality of pull rollers. The cleaning roller and the pull rollers are connected between the side plates through shafts. The cylindrical surface of the cleaning roller is provided with a plurality of rows of spike loosening teeth. The cleaning roller is driven by a power unit to rotate. The grid bars are arranged below the cleaning roller at intervals. The pull rollers are arranged pairwise below the grid bars. The left one in every pair of pull rollers is driven by the power unit to rotate clockwise; the right one in every pair of pull rollers is driven by the power unit to rotate anticlockwise. When seed cotton rotates with the cleaning roller, impurity in the seed cotton is separated from the seed cotton under the action of centrifugal force and gravity; long stalks are inserted into the grid bars below and are then downwardly pulled by the pull rollers relatively rotating below the grid bars, so that the seed cotton is separated. The seed cotton cleaner is high in impurity removal rate and impurity removal efficiency, and loss rate of seed cotton during impurity removal is low.

Description

A kind of seed cotton cleaning machine

Technical field

The utility model relates to agricultural mechanical field, particularly a kind of seed cotton cleaning machine.

Background technology

Cotton is one of topmost crops in the world, and output is large, production cost is low, makes cotton products less expensive.Along with the increase gradually of cost of labor, cotton picking mode also more by artificial harvesting to turning mechanization collection, various cotton picking equipment rises gradually, cotton picking equipment, when improving cotton picking efficiency, also can reach very high net picking rate.But high net picking rate means and in the unginned cotton collecting, contains more branches and leaves, therefore in mechanization cotton picking process, has added again a set of seed cotton cleaning equipment, and the branches and leaves in unginned cotton are removed from unginned cotton.

Existing seed cotton cleaning machine, generally adopts spike-tooth roll-type scutcher structure, and centrifugal force when moits mainly rotate by deadweight and spike(d) roller is separated, but can not discharge in time as larger impurity (as the cotton stalk that breaks), can cause indissociable phenomenon.Some seed cotton cleaning machines make cotton with heavily assorted separated by suspending power, because cotton and branch bar are wound around, take the phenomenon of more unginned cotton when easily appearance can not be separated or separated out of.Or by opening roller, unginned cotton shredding is even, the soft impurity of part and heavily assorted discharge, unginned cotton is along with the quick rotation of blowing roller afterwards, and unginned cotton enters in impurities removal glazing bar grid and starts to clear up impurity.Its shortcoming is to be also that larger impurity can not be discharged in time.Comprehensive above-mentioned each patent type, their common ground is to clear up light assorted and difficult be wound around heavily assorted, impurity is mainly separated with unginned cotton by deadweight and centrifugal force, but during as impurity such as long shoot bars, branch bar and unginned cotton also do not complete separated, are sent to subsequent processing, so go down, long shoot bar can not be eliminated, and affects the quality of output cotton.

Utility model content

(1) technical problem that will solve

The utility model is can not remove fine impurities and the long shoot bar in unginned cotton for solving existing seed cotton cleaning machine simultaneously, and the problem that cleaning effect is not good, cleaning efficiency is low.

(2) technical scheme

In order to solve the problems of the technologies described above, the utility model provides a kind of seed cotton cleaning machine, it comprises: two blocks of side plates that are oppositely arranged, be connected to many grizzly bars between two blocks of described side plates, and the cleaning roller and the Duo Gen that are coupling between two blocks of described side plates pull roller, the face of cylinder of described cleaning roller is provided with the loosening tooth of many spikes, and described cleaning roller rotates under the drive of power set; Many described grizzly bars are the below that is laid in described cleaning roller separated by a distance between two; Many described pulling rollers are laid in the below of many described grizzly bars in pairs, and one that in every pair of described pulling roller, keeps left clockwise rotates under the drive of power set, and one that keeps right rotates counterclockwise under the drive of power set.

Preferably, many described grizzly bars are arc surfaced and arrange.

Preferably, on described pulling roller, bag is provided with rubber.

Preferably, in the circumferential rotation direction of described cleaning roller, the distance between many described grizzly bars and cleaning roller reduces gradually.

Preferably, described pulling roller and described grizzly bar be arranged in parallel.

Preferably, arrange described loosening tooth more and be evenly distributed on the face of cylinder of described cleaning roller, the described loosening tooth of adjacent two row is crisscross arranged.

Preferably, described a kind of seed cotton cleaning machine also comprises blowing device, and described blowing device is arranged on the side that described cleaning roller circumferentially rotates, and for unginned cotton is blowed to cleaning roller, described blowing device is to the first half blowing of described cleaning roller.

Preferably, the top of described cleaning roller is provided with door.

(3) beneficial effect

A kind of seed cotton cleaning machine that the utility model provides, in the process of rotating at cleaning roller, fine impurities in unginned cotton departs from unginned cotton under the effect of gravity and centrifugal force, the bottom of the utility model seed cotton cleaning machine is provided with grizzly bar, the below of grizzly bar is provided with the multipair pulling roller relatively rotating, during the grizzly bar place of the long shoot bar in unginned cotton turn to it with cleaning roller below, first long shoot bar inserts the gap between grizzly bar, then touch the pulling roller of grizzly bar below, the multipair pulling roller relatively rotating snaps in the termination of long shoot bar therebetween, and along with relatively rotating, long shoot bar is pulled to the disengaging that realizes long shoot bar and unginned cotton downwards, thereby realize the efficient cleaning to impurities in seed cotton, can to the fine impurities in unginned cotton and long shoot bar, remove simultaneously, because the below of cleaning roller is provided with grizzly bar, fluffy unginned cotton cannot drop from its gap, and the shredding of pulling roller to the simultaneous shredding rod of branch bar pulling, the cotton that makes to be wound on a bar is well separated with branch bar, therefore in the scale removal process of unginned cotton, loss amount is minimum.

Accompanying drawing explanation

Fig. 1 is the structural representation of a kind of seed cotton cleaning machine of the utility model embodiment.

Fig. 2 is the cutaway view of a kind of seed cotton cleaning machine of the utility model embodiment.

Fig. 3 is the schematic diagram of the power drive mechanism of the utility model embodiment.

Fig. 4 is the gear of the utility model embodiment and pulls the connection diagram between roller rotating shaft.

Fig. 5 is the grizzly bar of the utility model embodiment and the schematic diagram that pulls roll row cloth.

Fig. 6 is the blowing device of the utility model embodiment and the schematic diagram of principle thereof.

Wherein: 1, side plate; 2, grizzly bar; 3, cleaning roller; 31, loosening tooth; 32, cleaning roller rotating shaft; 4, pull roller; 41, pull roller rotating shaft; 5, power drive mechanism; 51, the first sprocket wheel; 52, the second sprocket wheel; 53, gear; 54, the 3rd sprocket wheel; 61, annular slot; 62, spring arch clasp; 63, the first keyway; 64, key piece; 65, the second keyway; 7, blowing device; 71, door; 72, gathering-device; W, wind direction; C, unginned cotton moving direction.

The specific embodiment

Below in conjunction with drawings and Examples, the specific embodiment of the present utility model is described in further detail.Following examples are used for illustrating the utility model, but are not used for limiting scope of the present utility model.

As Fig. 1 and Fig. 2, the utility model embodiment provides a kind of seed cotton cleaning machine, comprise two blocks of side plates 1 that are oppositely arranged, and be connected to the many grizzly bars 2 between two blocks of side plates 1, the two ends of many grizzly bars 2 and two side plate 1 welding, thereby form stable supporting structure, this seed cotton cleaning machine also comprises that the cleaning roller 3 and the Duo Gen that are coupling between biside plate 1 pull roller 4, the face of cylinder of cleaning roller 3 is provided with the loosening tooth 31 of many nails shape, many row's loosening teeth 31 are evenly laid on the face of cylinder of cleaning roller 3, adjacent two row's loosening teeth 31 are crisscross arranged, wherein, in the rotation direction of cleaning roller 3, each loosening tooth 31 in a rear row lays respectively at the interval of each loosening tooth 31 in last row, cleaning roller 3 rotates under the drive of power set, the installation position of above-mentioned many grizzly bars 2 is positioned at the below of cleaning roller 3, is fallaway type and is scattered in arc surfaced, between every two adjacent grizzly bars 2, has certain interval, many pull the below that roller 4 is laid in many grizzly bars 2 in pairs, every couple of two of pulling in roller 4 pull roller 4 and are close to setting, adjacent two pairs of 4, rollers of pulling have certain gap, one that in every pair of pulling roller 4, keeps left clockwise rotates under the drive of power set, one that keeps right rotates counterclockwise under the drive of power set, thereby when the unginned cotton on cleaning roller 3 is rotated through grizzly bar 2 top with cleaning roller 3, branch bar in unginned cotton is inserted in the gap of grizzly bar 2, then being pulled in relative rotation roller 4 pulls downwards, preferably, on pulling roller 4, bag is established rubber, increase its surperficial frictional force, can more effectively pull a bar, rubber has certain elastic deformation simultaneously, thicker branch bar also can snap in each relatively easily to pulling in roller 4, even if branch bar does not snap in pulling roller 4 over against each, when the termination of branch bar touches the edge that pulls roller 4, its termination also can be subject to from pulling the circumferential frictional force of roller 4, make the termination of a bar mobile with pulling roller 4 surfaces, finally be involved in each to pulling in roller 4.In the process that branch bar is pulled downwards, because unginned cotton has certain volume, be not easy to be pulled by branch bar and by the gap between grizzly bar 2, unginned cotton is also subject to loosening tooth 31 to its fluffing action simultaneously, therefore, branch is the equal of to pull out from fluffy unginned cotton gap, loosening tooth 31 is the staple in unginned cotton to be carried out to laterally interception pull in addition, the pulling intensity of 31 pairs of unginned cottons of loosening tooth is far longer than its pulling intensity of a pole pair, make thus unginned cotton separated with branch bar, and the fine impurities in fluffy unginned cotton more easily comes off under the effect of gravity and centrifugal force, also be conducive to the follow-up processing of unginned cotton simultaneously.

The rotation of cleaning roller 3 and pulling roller 4 adopts a whole set of power drive mechanism 5, as Fig. 3, this power drive mechanism 5 is specially: in the axis hole of the cleaning roller rotating shaft 32 of cleaning roller 3 one sides from side plate 1, run through out, run through in the rotating shaft that and be arranged side by side the first sprocket wheel 51 and the second sprocket wheel 52, wherein the first sprocket wheel 51 is connected with power set by chain; The axis hole that each pulling roller rotating shaft 41 that pulls roller 4 one sides runs through on side plate 1, each runs through in the pulling roller rotating shaft 41 that and is all provided with gear 53, gear 53 in every pair of pulling roller 4 in the pulling roller rotating shaft 41 of two pulling rollers 4 intermeshes, every pair pulls in the pulling roller rotating shaft 41 that each that be in the same side in roller 4 pull roller 4 and is also respectively equipped with the 3rd sprocket wheel 54, each the 3rd sprocket wheel 54 and above-mentioned the second sprocket wheel 52 places at grade, adopt a chain is in transmission connection each the 3rd sprocket wheel 54 with above-mentioned the second sprocket wheel 52 together with.By power set, controlling the first sprocket wheel 51 rotates, cleaning roller 3 and the second sprocket wheel 52 also together rotate thereupon, every couple of two of pulling in roller 4 pull roller 4 and by it, pull gear 53 engaged transmission in roller rotating shaft 41 again, thereby only need power set can drive rotation and each relatively rotating pulling roller 4 of cleaning roller 3 simultaneously.

Cleaning roller 3 and Duo Gen pull roller 4 and all by bearing arrangement and two blocks of side plates 1, are rotationally connected, as Fig. 4, pull roller rotating shaft 41 and be provided with twice annular slot 61, rotating shaft section between twice annular slot 61 gear 53 that is used for pegging graft, on twice annular slot 61, card is established spring arch clasp 62 respectively, make gear 53 axial restraints, rotating shaft section between twice annular slot 61 is provided with the first keyway 63, in the first keyway 63, put into key piece 64, key piece 64 is with respect to the face of cylinder projection of its rotating shaft section of living in, the inwall of the axis hole of gear 53 is provided with the second keyway 65, the second keyway 65 runs through the one or both sides sidewall of the axis hole of gear 53, when gear 53 is socketed on the first keyway 63 place shaft part, the key piece 64 of projection slips into along an openend of the second keyway 65, it is circumferentially fixing with respect to pulling roller rotating shaft rotating shaft 41 to make gear 53.Above-mentioned each first sprocket wheel 51, the second sprocket wheel 52 and cleaning roller rotating shaft 32 and the 3rd sprocket wheel 54 are all taked the syndeton that gear 53 is identical with pulling roller rotating shaft 41 with pulling between roller rotating shaft 41.In addition, bearing cone is fixed by interference fit with installation shaft part, bearing outer ring can be welded and fixed in the axis hole of side plate 1, thereby by above-mentioned syndeton, makes gear 53, the first sprocket wheel 51, the second sprocket wheel 52, the 3rd sprocket wheel 54 and bearing obtain fixing on circumferential and axial.

As Fig. 5, because the branch bar being mingled with in unginned cotton is different in size, if will be set to equal distance between many grizzly bars 2 and cleaning roller 3, when the unginned cotton on cleaning roller 3 turns over grizzly bar 2 top, in unginned cotton, exist shorter branch bar likely to touch less than grizzly bar 2, but or just touch grizzly bar 2 touchings less than the pulling roller 4 of grizzly bar 2 belows, thereby cannot it be pulled out from unginned cotton by pulling roller 4; If there is long branch bar in unginned cotton, the length of long branch bar is greater than the spacing between cleaning roller 3 and grizzly bar 2, compared with a long branch bar, can be stopped and recede by first grizzly bar 2, and the long shoot bar that receded is very difficult to be inserted in the gap of grizzly bar 2 below again.Thus, preferably, in the direction circumferentially rotating counterclockwise at cleaning roller 3, distance between many grizzly bars 2 and cleaning roller 3 is set to reduce gradually, first grizzly bar 2 is arranged in the larger distance of cleaning roller 3, the distance that remaining grizzly bar 2 and cleaning roller are 3 reduces successively, so, branch bar long in unginned cotton can insert in the gap of former grizzly bars 2, in unginned cotton, shorter branch bar can be inserted in the gap of the nearer grizzly bar 2 of distance cleaning roller 3 below, branch bar different in size in unginned cotton can both be inserted in grizzly bar 2, and the grizzly bar 2 of arranging is like this stepped of rising with respect to branch bar, make a bar be more prone to be inserted in the gap of grizzly bar 2.Accordingly, for guaranteeing can be pulled and obtain by pulling roller 4 after branch bar is inserted into pulling roller 4, every pair pulls roller 4 and near grizzly bar 2 belows, arranges successively.

As Fig. 6, in the removal of impurities operation of unginned cotton, generally adopt the mode of blowing feeding, the present embodiment arranges blowing device 7 by the side rotating at cleaning roller 3, the blowing mouth of blowing device 7 is aimed at the first half of cleaning roller 3, when unginned cotton is blown to cleaning roller 3, towards the spike loosening tooth 31 of unginned cotton, just unginned cotton is penetrated on it, unginned cotton is rotated with loosening tooth 31; Another side at descaling machine, unginned cotton need to be stripped down from descaling machine, and the loosening tooth 31 of this side is w down the wind just, from cleaning roller 3 upper sides, see through the wind coming and just from the root of this side loosening tooth 31, blow to the end of loosening tooth 31, unginned cotton is blown off under the effect of wind-force from loosening tooth 31, enters in the gathering-device 72 or next group cleaning plant at rear.If blowing device 7 is aimed to whole cleaning roller 3, blow, the impurity that cleaning roller 3 belows come off can be blown in gathering-device 72.Preferably, door 71 is set above cleaning roller 3, the loosening tooth 31 on door 71 and cleaning roller 3, near arranging, avoids the unginned cotton before removal of impurities pass the top of cleaning roller 3 and be blown in gathering-device 72.

The removal of impurities process of seed cotton cleaning machine:

Open the power set of a kind of seed cotton cleaning machine structure of the present embodiment, power set rotate by chain-driving the first sprocket wheel 51, the second sprocket wheel 52 and cleaning roller 3 also together rotate thereupon, by chain-driving, each rotates the 3rd sprocket wheel 54 pulling in the rotating shaft that is positioned at pulling roller 4 in the same side in roller 4 the second sprocket wheel 52, pulls between roller 4 and by the transmission of pitch wheel 53 in its rotating shaft, relatively moves downward.

By blowing device 7, the unginned cotton that needs removal of impurities is blowed to the first half of the material loading side of cleaning roller 3, unginned cotton is easy to hang on cleaning roller 3 windward and on the loosening tooth 31 that comes, unginned cotton is together rotated with loosening tooth 31, unginned cotton is in the process of rotating, the fine impurities that is wherein mingled with is subject to the effect of centrifugal force and gravity, from unginned cotton, come off, gap through below grizzly bar 2 and pulling roller 4 drops to below, because unginned cotton has certain volume, even if can not pass the gap of grizzly bar 2 after dropping yet, but again be hung up by loosening tooth 31, branch bar in unginned cotton is in the process of rotating with cleaning roller 3, because the distance of each grizzly bar 2 apart from cleaning roller 3 reduces gradually, wherein long branch bar is easier to be inserted in the gap of former root distances grizzly bar 2 away from from cleaning roller 3, in unginned cotton, shorter branch bar is easier to be inserted in the gap of rear a few root distance grizzly bar 2 close to from cleaning roller 3, branch bar is through the gap of 2 of grizzly bars, enter into the paired pulling roller 4 in below, paired pulling roller 4 rotates relatively, branch bar is pulled down, now be subject to the downward pulling force of long shoot bar with the unginned cotton of branch bar other end winding, the side direction drag force of loosening tooth 31 is also arrived simultaneously, in the process pulling, unginned cotton also becomes fluffy, thereby a bar and tiny impurity are departed from from unginned cotton, and fluffy unginned cotton is also conducive to follow-up processing.The top that unginned cotton is rotated through grizzly bar 2 with loosening tooth 31, while turning to the first half of cleaning roller 3 opposite sides, the wind that sees through cleaning roller 3 tops be easier to by unginned cotton from cleaning roller 3 opposite sides down the wind the loosening tooth 31 of w blow off, unginned cotton is finally blown off in the gathering-device 72 or next group cleaning roller of cleaning roller 3 opposite sides.

When the seed cotton cleaning machine of the utility model embodiment can be removed in unginned cotton fine impurities, can also remove wherein branch bar different in size, edulcoration rate is high, dust removal rate is high, and removal of impurities process can cause damage to unginned cotton hardly, and the unginned cotton after removal of impurities becomes fluffy, be conducive to follow-up processing.

The above is only preferred embodiment of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model know-why; can also make some improvement and replacement, these improvement and replacement also should be considered as protection domain of the present utility model.

Claims (8)

1. a seed cotton cleaning machine, it is characterized in that, it comprises: the two blocks of side plates (1) that are oppositely arranged, be connected to the many grizzly bars (2) between two blocks of described side plates (1), and the cleaning roller (3) and the many pulling rollers (4) that are coupling between two blocks of described side plates (1), the face of cylinder of described cleaning roller (3) is provided with the loosening tooth (31) of many nails shape, and described cleaning roller (3) rotates under the drive of power set; Many described grizzly bars (2) interval is laid in the below of described cleaning roller (3); Many described pulling rollers (4) are laid in the below of many described grizzly bars (2) in pairs, and one that in every pair of described pulling roller (4), keeps left clockwise rotates under the drive of power set, and one that keeps right rotates counterclockwise under the drive of power set.

2. seed cotton cleaning machine according to claim 1, is characterized in that, many described grizzly bars (2) are arc surfaced and arrange.

3. seed cotton cleaning machine according to claim 1, is characterized in that, the upper bag of described pulling roller (4) is provided with rubber.

4. seed cotton cleaning machine according to claim 1, is characterized in that, in the circumferential rotation direction of described cleaning roller (3), the distance between many described grizzly bars (2) and cleaning roller (3) reduces gradually.

5. seed cotton cleaning machine according to claim 1, is characterized in that, described pulling roller (4) be arranged in parallel with described grizzly bar (2).

6. seed cotton cleaning machine according to claim 1, is characterized in that, arranges described loosening tooth (31) more and is evenly distributed on the face of cylinder of described cleaning roller, and the adjacent two described loosening teeth of row (31) are crisscross arranged.

7. seed cotton cleaning machine according to claim 1, it is characterized in that, it also comprises blowing device, described blowing device is arranged on the side that described cleaning roller (3) circumferentially rotates, for unginned cotton is blowed to cleaning roller (3), described blowing device is to the first half blowing of described cleaning roller (3).

8. seed cotton cleaning machine according to claim 7, is characterized in that, the top of described cleaning roller (3) is provided with door (71).