CN212357475U - Cotton layer conveying mechanism and lint cleaning machine - Google Patents
Cotton layer conveying mechanism and lint cleaning machine Download PDFInfo
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- CN212357475U CN212357475U CN202020858280.0U CN202020858280U CN212357475U CN 212357475 U CN212357475 U CN 212357475U CN 202020858280 U CN202020858280 U CN 202020858280U CN 212357475 U CN212357475 U CN 212357475U
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Abstract
The utility model discloses a cotton layer conveying mechanism and ginned cotton descaling machine, wherein cotton layer conveying mechanism includes: two cotton stripping rollers, one of which is a front cotton stripping roller and the other is a rear cotton stripping roller which is positioned at the rear side of the front cotton stripping roller and forms a cotton conveying gap with the front cotton stripping roller; two cotton feeding rollers which are positioned at a given distance below the two cotton stripping rollers, wherein one cotton feeding roller is a front cotton feeding roller, and the other cotton feeding roller is a rear cotton feeding roller which is positioned at the rear side of the front cotton feeding roller and forms a cotton feeding gap with the front cotton feeding roller; the crossbeam is positioned at the rear side of the space between the rear cotton stripping roller and the rear cotton feeding roller, and the end part of the crossbeam is assembled with the side wall plate where the cotton box is positioned through an adjustable structure, so that the position of the crossbeam can be adjusted; and the scraping plate is arranged on the cross beam, the upper part of the scraping plate is in sealed movable fit with the rear side of the rear cotton stripping roller, and the lower part of the scraping plate is in sealed movable fit with the rear side of the rear cotton feeding roller. Based on the utility model discloses can improve the stability that the ginned cotton was carried.
Description
Technical Field
The utility model relates to a be used for carrying the cotton layer conveying mechanism to the licker-in with cotton layer from the dirt cage wire side in the ginned cotton descaling machine, the utility model discloses still relate to a ginned cotton descaling machine who is furnished with this cotton layer conveying mechanism.
Background
Citations of documents in order of disclosure:
the first patent document: chinese patent document CN2793106Y, entitled improved lint picker, published 2006.07.05;
the second patent document: chinese patent document CN205258699U, entitled needle type lint cleaning machine, published japanese 2016.05.25;
the third patent document: chinese patent document CN209906945U, entitled lint cleaning machine, published japanese 2020.01.07.
The first patent document is the earlier patent document related to the lint picker in China, and the background technology of the first patent document makes a clear explanation on the development history of the lint picker in China. Further, in the lint picker disclosed in the first patent document, the cotton layer adsorbed by the dust cage is peeled off by the pair of stripping rollers located below the dust cage, and the peeled cotton layer is nipped and conveyed downward by the pair of feed rollers located below the stripping rollers. The first patent document does not show specific description and identification, however, it is well known in the art that the sealing plate is mostly made of a rigid plate, and because the roller and the sealing plate need to be in contact with each other to form a good sealing effect, and the contact inevitably causes abrasion to cause sealing failure. Meanwhile, the sealing plate is fixedly arranged and cannot be adjusted, the width of the lint cotton cleaning machine is large, the middle part of the sealing plate is easy to flex, the sealing effect is relatively poor, and the lint cotton cleaning machine cannot be adjusted.
The second and third patent documents are similar in technology, and do not have the problem of sealing between the back-side pair of the doffing roller and the feed roller because the feed roller is omitted structurally. The omission of the feed roller leads to the overall structure being compact, but in the field, the rollers are the same, and the individual structure and the geometric dimension are different due to different use environments. Referring to the first patent document, it is clear from the drawing that the diameter of the doffing roller is greater than the diameter of the feed roller. Specifically, when the batt is peeled off from the cage by the cotton peeling roller, the diameter of the roller is not preferably too small in view of the peeling performance. The cotton feeding roller is used for downwards clamping and conveying the stripped cotton wadding to stabilize the falling direction of the cotton wadding, so that the cotton wadding can be stably fed into the licker-in.
It will be appreciated that if only one pair of rollers is maintained, which are both used as stripping rollers and feed rollers, it is inevitable that the rollers will have the diameter and geometry of the stripping rollers, the triangular space formed between the two rollers and the licker-in is relatively large, and the overhanging length of the batt is relatively long, which is detrimental to maintaining the stability of the feeding of the batt, resulting in uneven thickness of the batt on the licker-in and affecting the cleaning effect of the trash removal knife. And the local thicker cotton layer is necessarily closer to the impurity removing knife, which may cause more cotton fibers to be discharged along with impurities, namely the phenomenon of white cotton discharge.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a cotton layer conveying mechanism with relatively stable transport state, the utility model also provides a ginned cotton descaling machine.
The embodiment of the utility model provides an in, provide a cotton layer conveying mechanism, for being arranged in the ginned cotton descaling machine from the assembly that the dust cage carried the cotton layer to the licker-in, cotton layer conveying mechanism includes:
two cotton stripping rollers, one of which is a front cotton stripping roller and the other is a rear cotton stripping roller which is positioned at the rear side of the front cotton stripping roller and forms a cotton conveying gap with the front cotton stripping roller;
two cotton feeding rollers which are positioned at a given distance below the two cotton stripping rollers, wherein one cotton feeding roller is a front cotton feeding roller, and the other cotton feeding roller is a rear cotton feeding roller which is positioned at the rear side of the front cotton feeding roller and forms a cotton feeding gap with the front cotton feeding roller;
the crossbeam is positioned at the rear side of the space between the rear cotton stripping roller and the rear cotton feeding roller, and the end part of the crossbeam is assembled with the side wall plate where the cotton box is positioned through an adjustable structure, so that the position of the crossbeam can be adjusted;
and the scraping plate is arranged on the cross beam, the upper part of the scraping plate is in sealed movable fit with the rear side of the rear cotton stripping roller, and the lower part of the scraping plate is in sealed movable fit with the rear side of the rear cotton feeding roller.
Optionally, the adjustable structure is configured to:
one of the end part of the cross beam and the corresponding side wall plate is provided with a long hole, and the other end of the cross beam is provided with a bolt hole;
the assembly is carried out by adapting bolts through the elongated holes and the bolt holes.
Optionally, the scraper includes:
the plate body is used for assembling the scraper on the cross beam;
the matching parts are respectively arranged at two ends of the plate body and are parts or structural parts matched between the scraping plate and the rear cotton stripping roller or the rear cotton feeding roller.
Optionally, the plate body and the matching part are constructed into a whole, and the scraper is an elastic sealing part or a polytetrafluoroethylene sliding plate correspondingly; or
The plate body is a rigid component, and the matching part is an elastic sealing component which is adhered on the plate body through screws, rivets or bonding.
Optionally, the diameter of the stripping roller is 110-200 mm, and the diameter of the feeding roller is 50-100 mm;
correspondingly, the diameter relation between the stripping roller and the feeding roller is positive correlation; or
The feed roller is positively correlated with the width of the lint picker.
Optionally, the given distance is the distance between the center line of the two stripping rollers and the center line of the two feeding rollers;
the given distance is 100-300 mm.
Optionally, two cotton stripping rollers are respectively arranged at two sides of the middle section of the dust cage passing through the axis of the dust cage;
wherein the front doffing roller is offset downwardly relative to the rear doffing roller.
Optionally, the offset amount of the downward offset of the front stripping roller relative to the rear stripping roller is 0.037-0.040 times of the radius of the stripping roller.
Optionally, the front feed roller is fixed in position in a direction opposite to the rear feed roller;
the rear feed roller floats in position in a direction opposite to the front feed roller.
Optionally, the support part supporting the rear feed roller is guided by a guide part or a guide structure in the direction opposite to the front feed roller;
and one side of the rear cotton feeding roller, which is opposite to the front cotton feeding roller, is provided with an elastic support.
The embodiment of the utility model provides an in, still provide a ginned cotton descaling machine who is furnished with aforementioned cotton layer conveying mechanism.
The utility model discloses an in the embodiment, use position adjustable crossbeam load scraper blade, the scraper blade provides the back and shells the cotton roller and give the sealed of space between the cotton roller after with, on the one hand the scraper blade by the relatively higher crossbeam load of rigidity, can transversely keep better shape at the ginned cotton descaling machine to can effectually keep away the wind, be used for guaranteeing the down stability of in-process of ginned cotton.
Drawings
FIG. 1 is a schematic view of the structure of a lint picker in an embodiment.
FIG. 2 is a schematic diagram of a cotton layer conveying mechanism of the lint picker in one embodiment.
FIG. 3 is a schematic view showing an assembly structure of front and rear feed rollers on a lint picker in one embodiment.
In the figure: 1. support leg, 2, impurity smoothing plate, 3, flanging, 4, air supply opening, 5, licker-in, 6, impurity removing knife, 7, lower cotton box, 8, upper cotton box, 9, front sealing rubber, 10, front stripping roller, 11, air duct front wall plate, 12, dust cage, 13, air duct, 14, cotton inlet, 15, sealing rubber, 16, rear stripping roller, 17, rear sealing rubber, 18, lower supporting plate, 19, roller scraper component, 20, front feeding roller, 21, rear feeding roller, 22, sealing plate, 23, cotton smoothing plate, 24, cotton removing plate component, 25, cotton outlet, 26, air supply plate, 27, mounting seat, 28, long hole, 29, bolt, 30, nut, 31, flat washer, 32, spring washer, 33, bolt, 34, nut, 35, flat washer, 36, bolt hole, 37, 38, cross beam, 39, scraper, 40, sealing rubber, 41, support seat, 42, front cotton pulling shaft, 43. rear cotton feeding roller shaft, 44 guide holes, 45 bearing seats, 46 spring guide post assemblies.
Detailed Description
Because more cotton processing machines rely on wind power for transportation, a relatively closed box is often required to be arranged on the structure of the cotton processing machine. The panels surrounding the box are commonly referred to as wall panels.
In orientation, cotton processing machines have a defined front and rear, and corresponding left and right, based on material flow.
Lint cleaner and unginned cotton cleaner are divided into to the descaling machine the embodiment of the utility model provides an in the embodiment provide cotton layer conveying mechanism be applicable to the lint cleaner.
The lint picker arrangement shown in fig. 1 is a common, but not the only, structure of a lint picker, but in most lint pickers, the two lint pickers used to peel the lint picked up by the cage 12 are in substantially vertical relationship with the two feed rollers used to feed the lint picked up by the two lint pickers downward, but the positions are offset in the horizontal direction according to different options.
The structure shown in fig. 2 is a partial structure of fig. 1, which is marked as a cotton layer conveying mechanism, and is an assembly for conveying a cotton layer from a dust cage to a licker-in a lint picker, and the cotton layer conveying mechanism comprises two cotton stripping rollers, two cotton feeding rollers and a roller scraper component which is movably sealed at the rear side in the structure shown in fig. 2.
In fig. 2, two doffing rollers are arranged azimuthally one behind the other, typically mounted on left and right wall panels by bearings. Specifically, in fig. 2, one is a front doffing roller 10, and the other is a rear doffing roller 16 which is located behind the front doffing roller 10 and forms a cotton feeding gap with the front doffing roller 10.
It will be appreciated that the component for stripping lint from the cage 12 is primarily the rear doffer roller 16, and that the front doffer roller 10 is turned opposite to the rear doffer roller 16 to pinch the lint stripped off the rear doffer roller 16 downwardly.
Generally speaking, a certain height difference exists between the front cotton stripping roller 10 and the rear cotton stripping roller 16, and when the front cotton stripping roller 10 and the rear cotton stripping roller 16 are respectively arranged at two sides of a vertical symmetrical plane of the dust cage 12 passing through the axis thereof, a gap is left between the front cotton stripping roller 10 and the dust cage 12, and the rotation direction of the front cotton stripping roller is opposite to that of the dust cage 12.
The back stripper roller 16 is often in substantial contact with the cage 12 for stripping lint from the cage 12, with the back stripper roller 16 generally turning in the same direction as the cage 12.
Regarding the height difference, two cotton stripping rollers are respectively arranged on two sides of the middle section of the dust cage 12 passing through the axis of the dust cage itself by adding a corresponding reference system;
the front doffer roller 10 is offset downward relative to the rear doffer roller 16, and the offset is based on the axes of the two doffer rollers.
Preferably, the front doffing roller 10 is offset downward relative to the rear doffing roller 16 by an offset amount of 0.037 to 0.040 times the radius of the doffing roller.
Because the pure two cotton stripping rollers that use can make the cotton layer state of the ginned cotton of downward transport unstable, especially the cotton stripping roller is individual relatively great, if directly cooperate with licker-in 5, the triangle district that forms is relatively great, in other words, the uncontrollable spatial distance that the ginned cotton passed through is relatively great, unstable ginned cotton layer is for licker-in 5 winding back, the cotton layer thickness that forms on licker-in 5 is inconsistent, lead to the cleaning performance to worsen, and can produce the damage to cotton fiber, and the impurity that discharges that produces contains more cotton fiber, the so-called white cotton phenomenon of discharging.
Therefore, a pair of feed rollers needs to be arranged below the two cotton stripping rollers, and the individual feed rollers are relatively small, so that the triangular area formed by the relatively small feed rollers is relatively small, and the unstable state caused by the downward feeding of the two cotton stripping rollers is eliminated based on the pulling generated by the pinching, namely, the cotton layer between the two cotton stripping rollers and the two feed rollers is pulled, so that the partial cotton layer is straightened, and the cotton layer with the relatively uniform thickness is favorably formed on the licker-in 5.
In particular, the linear velocity of the feed roller can be made slightly greater than the linear velocity of the stripping roller by the speed distribution, and the above-mentioned straightening further appears as elongation, whereby the thickness of the cotton layer on the licker-in 5 can be adjusted.
It can be understood that the thinner cotton layer is beneficial to improving the impurity discharging rate and can improve the adaptability of the impurity discharging knives 6, and particularly, the number of the impurity discharging knives 6 can be further reduced.
More specifically, one of the two feed rollers is a front feed roller 20, and the other is a rear feed roller 21 which is located behind the front feed roller 20 and forms a feed gap with the front feed roller 20.
In order to reduce the influence of wind and to stabilize the state of the cotton layer during the downward movement, the rear sides of the rear doffing roller 16 and the rear feed roller 21 need to be sealed.
In the structure shown in fig. 2, a beam 38 is provided, and a scraper 39 is mounted on the beam 38, the upper part of the scraper 39 is movably matched with the rear side of the rear cotton stripping roller 16, and the lower part is movably matched with the rear side of the rear cotton feeding roller 21 to form a seal.
The cross beam 38 may be made of rectangular steel pipe or may be made of a section bar such as a channel steel, and in the structure shown in fig. 2, the cross section of the cross beam 38 is substantially in a right-angled trapezoidal structure so as to be adapted to the shape and positional relationship of the rear doffer roller 16 and the rear feed roller 21.
The two ends of the cross beam 38 may be plates welded to the body of the cross beam 38 by welding, and the plates are directly or indirectly connected to the wall panels on the corresponding sides, and the connection is adjustable, and is adjustable to a position, so as to adjust the position of the cross beam 38, thereby adjusting the components on the cross beam 38.
As for the position adjustment structure of the cross beam 38, an adjustment structure by a mechanism may be adopted, for example, both ends of the cross beam 38 are driven by one linear motion mechanism, for example, and at the time of adjustment, the relevant linear motion mechanism is driven to realize the position adjustment of the cross beam 38.
In some embodiments, the adjustable structure is configured to:
one of the ends of the cross beam 38 and the corresponding side wall plate is provided with a long hole, and the other end is provided with a bolt hole;
the assembly is carried out by adapting bolts through the elongated holes and the bolt holes.
The assembly fastener can be seen in fig. 2 as bolt 33, nut 34 and flat washer 35. instead of flat washer 35, a spring washer may be used, and flat washer 35 and spring washer may be used together.
The elongated hole may be a straight hole or an arc hole.
The structure of the scraping plate 39 may be a single structure or an assembly structure, and in some embodiments, the scraping plate 39 includes a plate body and a matching portion, where the plate body is used for assembling the scraping plate 39 on the cross beam 38, and the assembly between the plate body and the cross beam 38 may be implemented by using screws or by using an adhesive structure.
For screw attachment, the plate body may be provided with a plurality of screw holes for attachment to the cross beam 38 with screws.
Further, riveting, for example, may also be employed.
The rigid plate body is not easy to adjust the assembling error, and for this reason, the fitting portion is a component or a structural portion which is fitted between the blade and the rear doffing roller 16 or the rear feed roller 21, and is provided at each of both ends of the plate body.
The fitting portion is adapted to the aforementioned assembly structure of the squeegee 39 when it is a component, and is adapted to the aforementioned single structure of the squeegee 39 when it is a structural portion.
When the scraper 39 is a single structure, the scraper itself may have a relatively high rigidity, and may have a certain elasticity as a plate body, so as to reduce the influence of assembly errors and manufacturing errors.
In some embodiments, the plate body and the mating portion are integrally formed, i.e., the scraper 39 is a single piece, and the scraper 39 is a resilient sealing member, such as a rubber sheet, or a sliding plate, such as a teflon plate.
In some embodiments, the plate body is a rigid member, such as a steel plate, and the mating portion is a resilient sealing member, such as a rubber sheet, that is attached to the plate body by screws, rivets, or adhesive.
As described above, although the rollers are used for different purposes, it is common knowledge in the art that the doffing roller and the feed roller are not the same. In the embodiment of the present invention, the diameter of the doffing roller is 110-200 mm, and the diameter of the feeding roller is 50-100 mm, in other words, the doffing roller is slightly larger.
Accordingly, in some embodiments, the diameter relationship between the doffing rollers and the feed rollers is a positive correlation, i.e., a larger doffing roller fits a larger feed roller and a smaller doffing roller fits a smaller feed roller.
However, in most applications, the feed roller is substantially positively correlated with the width of the lint picker, and if a feed roller with a smaller diameter is disposed in a larger width, the feed roller is deflected and wobbles at a high speed, so that the diameter of the feed roller is increased to improve the overall rigidity.
In fact, from the viewpoint of feeding stability, the smaller the diameter of the feed roller, the better, and the smaller the distance between the nip point of the feed roller and the licker-in 5.
The predetermined distance is a distance between a center point of a center line of the two doffing rollers and a center point of a center line of the two feeding rollers;
the given distance is 100-300 mm.
In some embodiments, the front feed roller 20 is positionally fixed in a direction opposite to the rear feed roller 21; accordingly, the rear feed roller 21 is positionally floated in the direction opposite to the front feed roller 20, so that when the cotton layer is relatively thick, the rear feed roller 21 moves in the opposite direction to the front feed roller 20, the feed gap is enlarged, and damage to the feed roller support structure is reduced.
In the configuration shown in fig. 3, the support member supporting the rear feed roller 21 is guided by a guide member or guide structure in the direction opposite to the front feed roller 20, as shown by the guide hole 44 in fig. 3, and accordingly, the support member is configured as a bearing seat 45, and the bearing seat 45 is guided to the guide hole 44.
Furthermore, an elastic support is arranged on the side of the rear cotton feeding roller 21 opposite to the front cotton feeding roller 20.
With respect to the structure shown in fig. 3, there is a spring guide post assembly 46, shown as a structure at one end of the rear feed roller shaft 43, for example, and the same structure exists at the other end of the rear feed roller shaft 43.
Spring guide post assemblies 46 are mounted on the respective side wall panels with the push rods of the spring guide post assemblies 46 bearing against the rear side of the bearing blocks 45 to provide a floating bearing for the bearing blocks 45.
Claims (11)
1. The utility model provides a cotton layer conveying mechanism for being arranged in the ginned cotton descaling machine from the assembly of dirt cage to licker-in transport cotton layer, its characterized in that, cotton layer conveying mechanism includes:
two cotton stripping rollers, one of which is a front cotton stripping roller and the other is a rear cotton stripping roller which is positioned at the rear side of the front cotton stripping roller and forms a cotton conveying gap with the front cotton stripping roller;
two cotton feeding rollers which are positioned at a given distance below the two cotton stripping rollers, wherein one cotton feeding roller is a front cotton feeding roller, and the other cotton feeding roller is a rear cotton feeding roller which is positioned at the rear side of the front cotton feeding roller and forms a cotton feeding gap with the front cotton feeding roller;
the crossbeam is positioned at the rear side of the space between the rear cotton stripping roller and the rear cotton feeding roller, and the end part of the crossbeam is assembled with the side wall plate where the cotton box is positioned through an adjustable structure, so that the position of the crossbeam can be adjusted;
and the scraping plate is arranged on the cross beam, the upper part of the scraping plate is in sealed movable fit with the rear side of the rear cotton stripping roller, and the lower part of the scraping plate is in sealed movable fit with the rear side of the rear cotton feeding roller.
2. The cotton layer delivery mechanism of claim 1, wherein the adjustable structure is configured to:
one of the end part of the cross beam and the corresponding side wall plate is provided with a long hole, and the other end of the cross beam is provided with a bolt hole;
the assembly is carried out by adapting bolts through the elongated holes and the bolt holes.
3. The cotton blanket feeding mechanism of claim 1 or 2 wherein said flight comprises:
the plate body is used for assembling the scraper on the cross beam;
the matching parts are respectively arranged at two ends of the plate body and are parts or structural parts matched between the scraping plate and the rear cotton stripping roller or the rear cotton feeding roller.
4. A cotton layer conveying mechanism according to claim 3, wherein the plate body and the engagement portion are constructed as one body, and the scraper is an elastic sealing member or a teflon slide plate, respectively; or
The plate body is a rigid component, and the matching part is an elastic sealing component which is adhered on the plate body through screws, rivets or bonding.
5. The cotton layer conveying mechanism according to claim 1, wherein the diameter of the stripping roller is 110-200 mm, and the diameter of the feeding roller is 50-100 mm;
correspondingly, the diameter relation between the stripping roller and the feeding roller is positive correlation; or
The feed roller is positively correlated with the width of the lint picker.
6. The cotton blanket conveying mechanism according to claim 5, wherein the given distance is a distance between a center point of a connecting line of the two cotton stripping rollers and a center point of a connecting line of the two cotton feeding rollers;
the given distance is 100-300 mm.
7. The cotton blanket feeding mechanism of claim 1 wherein the two stripping rollers are spaced apart on opposite sides of a medial section of the cage through its own axis;
wherein the front doffing roller is offset downwardly relative to the rear doffing roller.
8. The cotton layer conveying mechanism according to claim 7, wherein the front stripping roller is offset downward relative to the rear stripping roller by an offset amount of 0.037-0.040 times the radius of the stripping roller.
9. The cotton blanket feeding mechanism according to claim 1, wherein the front feed roller is positionally fixed in a direction opposite to the rear feed roller;
the rear feed roller floats in position in a direction opposite to the front feed roller.
10. The cotton blanket feeding mechanism according to claim 9, wherein the supporting member supporting the rear feed roller is guided by a guide member or a guide structure in a direction opposite to the front feed roller;
and one side of the rear cotton feeding roller, which is opposite to the front cotton feeding roller, is provided with an elastic support.
11. A lint picker equipped with a cotton layer feeding mechanism as claimed in any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020858280.0U CN212357475U (en) | 2020-05-21 | 2020-05-21 | Cotton layer conveying mechanism and lint cleaning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020858280.0U CN212357475U (en) | 2020-05-21 | 2020-05-21 | Cotton layer conveying mechanism and lint cleaning machine |
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| Publication Number | Publication Date |
|---|---|
| CN212357475U true CN212357475U (en) | 2021-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020858280.0U Active CN212357475U (en) | 2020-05-21 | 2020-05-21 | Cotton layer conveying mechanism and lint cleaning machine |
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| Country | Link |
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| CN (1) | CN212357475U (en) |
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2020
- 2020-05-21 CN CN202020858280.0U patent/CN212357475U/en active Active
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Effective date of registration: 20221101 Address after: 250031 No. 99, daweizhuang East Road, Tianqiao District, Jinan City, Shandong Province Patentee after: SHANDONG SWAN COTTON INDUSTRIAL MACHINERY STOCK Co.,Ltd. Patentee after: Xinjiang Lihua (Group) Co.,Ltd. Address before: No.99, daweizhuang East Road, Tianqiao District, Jinan City, Shandong Province, 250032 Patentee before: SHANDONG SWAN COTTON INDUSTRIAL MACHINERY STOCK Co.,Ltd. |