CN216873956U - Snapping roll - Google Patents
Snapping roll Download PDFInfo
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- CN216873956U CN216873956U CN202220374460.0U CN202220374460U CN216873956U CN 216873956 U CN216873956 U CN 216873956U CN 202220374460 U CN202220374460 U CN 202220374460U CN 216873956 U CN216873956 U CN 216873956U
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- spiral
- ear picking
- sawtooth
- roller body
- ear
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Abstract
The utility model relates to a snapping roll, and belongs to the technical field of corn harvesting machinery. The technical scheme of the utility model is as follows: the surface of the front roller body of the ear picking roller body (4) is provided with a spiral rib (5) and a spiral sawtooth rib (3), the spiral rib (5) and the spiral sawtooth rib (3) form an ear picking spiral, and the ear picking spiral is coiled on the surface of the front roller body of the ear picking roller body (4); pluck the rear portion roll body surface of ear of grain roll body (4) and set up many sawtooth and pull by force stem (1), the sawtooth pulls by force the surface of stem (1) and is equipped with the sawtooth, and many sawtooth pull by force stem (1) are parallel to each other, all with the axis parallel arrangement who plucks ear of grain roll body (4), and many sawtooth pull by force stem (1) evenly set up along plucking ear of grain roll body circumferencial direction. The utility model has the beneficial effects that: the feeding fluency of the stalks is improved, and the blockage of the header is avoided; the stalk breaking can be effectively avoided, and the harvesting efficiency is improved; the utility model ensures the stalk pulling capability and improves the feeding fluency of the stalks.
Description
Technical Field
The utility model relates to a snapping roll, and belongs to the technical field of corn harvesting machinery.
Background
The snapping roll is an important part of the corn harvester, and the corn harvester is widely applied. However, if the corns are ripe and cannot be harvested due to accumulated water in the ground caused by continuous rainfall when the corns are to be harvested, and the corns are soaked in rainwater and then generate rust to cause the ears to droop, when the corns can be harvested, the time is later than the normal harvesting time, at the moment, all the corn straws are yellow and withered, all the ears droop, some ears are poor in development, and corn grains and corn cobs are not firm. When a common ear picking roller header corn harvester is used for harvesting, the ear picking roller is directly contacted with the ears, so that the grain dropping is serious. In order to prevent that the header from falling the grain, someone has solved the problem that falls the grain on plucking the ear of grain roller, but, the fruit ear is difficult for plucking behind the increase baffle, appears blocking the condition of header very easily, and simultaneously, the ear of grain roller of prior art still exists the stem of breaking easily, stem feeding throughput is not high, the uneven scheduling problem of feeding, can't compromise stem feeding throughput and draw the stem ability, influences maize picker's normal operation.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an ear picking roller, which effectively improves the harvesting efficiency, can avoid the blocking of a header as far as possible, gives consideration to the stalk feeding passing rate and the stalk pulling capacity and solves the problems in the prior art.
The technical scheme of the utility model is as follows:
a picking roller is characterized in that a spiral rib and a spiral sawtooth rib are arranged on the surface of a front roller body of the picking roller body, the spiral rib and the spiral sawtooth rib form a picking spiral together, and the picking spiral is coiled on the surface of the front roller body of the picking roller body; the spiral rib is provided with no sawteeth, is arranged at the front part of the ear picking spiral on the ear picking roller body, and the surface of the spiral sawteeth 3 is provided with sawteeth and is arranged at the rear part of the ear picking spiral on the ear picking roller body; the surface of a roller body at the rear part of the ear picking roller body is provided with a plurality of sawtooth forced-pulling stems, sawteeth are arranged on the surfaces of the sawtooth forced-pulling stems, the sawtooth forced-pulling stems are mutually parallel and are arranged in parallel with the axis of the ear picking roller body, and the sawtooth forced-pulling stems are uniformly arranged along the circumferential direction of the ear picking roller body; the ear picking roller bodies are arranged in pairs, the two ear picking roller bodies are parallel and close to each other, and the rotating directions are opposite; the two ear picking rollers have the same ear picking helix pitch and opposite helix direction, and the two ear picking helices are matched and staggered with each other; the strong pulling stems of the saw teeth on the two ear picking roller bodies are arranged in a staggered way.
The sawtooth strong-pulling stem, the spiral sawtooth rib and the spiral rib are all welded on the surface of the ear picking roller body.
The auxiliary sawtooth stem pulling bar is welded between the spiral sawtooth rib and the ear picking roller body, the auxiliary sawtooth stem pulling bar is arranged in parallel with the axis of the ear picking roller body, sawteeth are arranged on the surface of the auxiliary sawtooth stem pulling bar, and the front end of the auxiliary sawtooth stem pulling bar is welded with the spiral sawtooth rib together.
The auxiliary saw-tooth stem-pulling strips are multiple and arranged in parallel, and are arranged between the ear picking roller body and the spiral saw-tooth ribs at intervals along with the ear picking spiral.
The front ends of the two ear picking roller bodies are provided with guide cones, the guide cones are connected to the ear picking roller bodies through elastic pins in a pin mode, spiral leading-in ribs are arranged on the guide cones, and the spiral direction of the spiral leading-in ribs is the same as the spiral direction of ear picking spirals on the ear picking roller bodies; the spiral line on the ear picking roller body is coherent from the guide cone to the roller body, so that corn stalks can be pushed backwards quickly during harvesting, the blockage of the stalks is avoided, and the harvesting efficiency is improved.
The front ends of the two ear picking roller bodies are provided with a fixed seat.
The two ear picking roller bodies are close to each other in parallel, the rotating directions are opposite, and the leading cone at the most front end and the spiral ribs on the ear picking spiral are convenient for leading in the stem ears; the spiral saw-tooth ribs at the rear part of the snapping spiral are matched with each other, and snapping is realized by pulling stem strips through auxiliary saw-teeth; the saw teeth at the rear part of the ear picking roller body forcibly pull the stems to realize stem pulling, so that ear picking and stem pulling work is completed; the spiral line on the ear picking roller body is the same from the guide cone to the roller body in spiral direction, and the whole body is coherent, so that the stem ears are quickly pushed backwards during harvesting, and the stem blockage is avoided.
The front end of the ear picking roller body is provided with the spiral rib without the sawteeth, the feeding property is good, the middle section of the ear picking roller body is provided with the spiral rib with the sawteeth, and the auxiliary sawteeth are uniformly added to pull the stem strips, so that the ear picking capability of the middle section of the ear picking roller body is effectively improved, the stem breakage is avoided, and the harvesting efficiency is improved; the saw teeth on the two ear picking roller bodies are arranged in a forced-pulling manner, the saw teeth can avoid slipping when pulling the stems, the friction force between the stems and the ear picking roller bodies is increased, the stem pulling capacity is improved, and the stem pulling effect at the rear end of the ear picking roller body is effectively improved. The guide cone is connected to the ear picking roller body through an elastic pin in a pin joint mode, a spiral leading-in rib is arranged on the guide cone, and the spiral direction of the spiral leading-in rib is the same as the spiral direction of the ear picking spiral on the ear picking roller body; the spiral line on the ear picking roller body is coherent from the guide cone to the roller body, so that corn stalks can be pushed backwards quickly during harvesting, the blockage of the stalks is avoided, and the harvesting efficiency is improved.
According to the utility model, the baffle plate is arranged above the ear picking roller body, so that the harvesting effect and efficiency can be effectively improved.
The utility model has the beneficial effects that: the feeding smoothness of the stalks is improved, the cutting table is prevented from being blocked, and the harvesting efficiency is improved; the ear picking screws on the two ear picking roller bodies are arranged in a staggered way, and the sawtooth spiral ribs are arranged to improve the ear picking effect; the stem is pulled downwards by utilizing the clearance fit between the spiral ribs and the ear picking roller body, the contact area between the ear picking roller body and the stem is relatively large, the stem can be effectively prevented from being broken, and the harvesting efficiency is improved; the utility model ensures the stalk pulling capability and simultaneously improves the feeding fluency of the stalks.
Drawings
FIG. 1 is a schematic view of an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of an embodiment of the present invention;
in the figure: the device comprises a sawtooth forced stem 1, an auxiliary sawtooth stem pulling strip 2, a spiral sawtooth rib 3, an ear picking roller body 4, a spiral rib 5, a fixed seat 6, a guide cone 7 and a spiral guide rib 8.
Detailed Description
The utility model is further described with reference to the following figures and examples:
a picking roll, the surface of the front roll body of a picking roll body 4 is provided with a spiral rib 5 and a spiral sawtooth rib 3, the spiral rib 5 and the spiral sawtooth rib 3 form a picking spiral together, and the picking spiral is coiled on the surface of the front roll body of the picking roll body 4; the spiral rib 5 is provided with no sawteeth and is arranged at the front part of the ear picking spiral on the ear picking roller body 4, and the surface of the spiral sawtooth rib 3 is provided with sawteeth and is arranged at the rear part of the ear picking spiral on the ear picking roller body 4; the surface of a roller body at the rear part of the ear picking roller body 4 is provided with a plurality of sawtooth forced-pulling stems 1, the surface of the sawtooth forced-pulling stems 1 is provided with sawteeth, the sawtooth forced-pulling stems 1 are parallel to each other and are arranged in parallel with the axis of the ear picking roller body 4, and the sawtooth forced-pulling stems 1 are uniformly arranged along the circumferential direction of the ear picking roller body; the ear picking roller bodies 4 are arranged in pairs, the two ear picking roller bodies are parallel and close to each other, and the rotating directions are opposite; the two ear picking spirals on the two ear picking roll bodies have equal thread pitches and opposite spiral directions, and are matched with each other and arranged in a staggered way; the strong pulling stems of the saw teeth on the two ear picking roller bodies are arranged in a staggered way.
The sawtooth strong-pulling stem 1, the spiral sawtooth rib 3 and the spiral rib 5 are all welded on the surface of the ear picking roller body 4.
Supplementary sawtooth of welding is drawn stem bar 2 between spiral sawtooth muscle 3 and the ear-picking roll body 4, supplementary sawtooth is drawn stem bar 2 and is plucked ear-picking roll body 4's axis parallel arrangement, and supplementary sawtooth is drawn stem bar 2 surface and is equipped with the sawtooth, and supplementary sawtooth is drawn the front end of stem bar 2 and is welded together with spiral sawtooth muscle 3.
The auxiliary saw-tooth stem-pulling strips 2 are arranged in parallel and are arranged between the ear picking roller body 4 and the spiral saw-tooth ribs 3 at intervals along with the ear picking spiral.
The front ends of the two ear picking roller bodies are provided with guide cones 7 which are connected on the ear picking roller bodies through elastic pins in a pin joint mode, the guide cones are provided with spiral leading-in ribs 8, and the spiral direction of the spiral leading-in ribs 8 is the same as the spiral direction of the ear picking spiral on the ear picking roller bodies; the spiral line on the ear picking roller body is coherent from the guide cone to the roller body, so that corn stalks can be pushed backwards quickly during harvesting, the blockage of the stalks is avoided, and the harvesting efficiency is improved.
The front ends of the two ear picking roller bodies are provided with a fixed seat 6.
The two ear picking roller bodies are close to each other in parallel, the rotating directions are opposite, and the leading cone at the most front end and the spiral rib 5 on the ear picking spiral are convenient for leading in the stem ears; the spiral sawtooth ribs 3 at the rear part of the snapping spiral are matched with each other, and snapping is realized by pulling the stem strips 2 through auxiliary sawteeth; the saw teeth at the rear part of the ear picking roller body 4 forcibly pull the stem 1 to realize stem pulling, and the ear picking and stem pulling work is completed; the spiral line on the ear picking roller body is the same from the guide cone to the roller body in spiral direction, and the whole body is coherent, so that the stem ears are quickly pushed backwards during harvesting, and the stem blockage is avoided.
The front end of the ear picking roller body 4 is provided with the spiral rib without sawteeth, the feeding property is good, the middle section of the ear picking roller body 4 is provided with the spiral rib with sawteeth, and the auxiliary sawteeth are uniformly added to pull stem strips, so that the ear picking capability of the middle section of the ear picking roller body is effectively improved, stem breakage is avoided, and the harvesting efficiency is improved; the saw teeth on the two ear picking roller bodies are arranged in a forced-pulling manner, the saw teeth can avoid slipping when pulling the stems, the friction force between the stems and the ear picking roller bodies is increased, the stem pulling capacity is improved, and the stem pulling effect at the rear end of the ear picking roller body is effectively improved. The guide cone is connected to the ear picking roller body through an elastic pin in a pin joint mode, a spiral leading-in rib 8 is arranged on the guide cone, and the spiral direction of the spiral leading-in rib 8 is the same as the spiral direction of the ear picking spiral on the ear picking roller body; the spiral line on the ear picking roller body is coherent from the guide cone to the roller body, so that corn stalks can be pushed backwards quickly during harvesting, the blockage of the stalks is avoided, and the harvesting efficiency is improved.
According to the utility model, the baffle plate is arranged above the ear picking roller body, so that the harvesting effect and efficiency can be effectively improved.
In the embodiment, the sawtooth hard-drawn stem 1, the spiral sawtooth rib 3 and the spiral rib 5 are all welded on the surface of the snapping roll body 4. The spiral ribs 5 and the spiral sawtooth ribs 3 form an ear picking spiral on the surface of the roller body, the spiral ribs 5 are provided with no sawteeth and are arranged at the front part of the ear picking spiral on the ear picking roller body 4, sawteeth are arranged on the surface of the spiral sawtooth ribs 3 and are arranged at the rear part of the ear picking spiral on the ear picking roller body 4, and the length ratio of the spiral ribs 5 to the spiral sawtooth ribs 3 is 1: 3-5.
Six sawtooth forced pulling stems 1 are arranged on the surface of a roller body at the rear part of the ear picking roller body 4, sawteeth are arranged on the surface of the sawtooth forced pulling stems 1, the six sawtooth forced pulling stems 1 are mutually parallel and are all arranged in parallel with the axis of the ear picking roller body 4, and the six sawtooth forced pulling stems 1 are uniformly arranged along the circumferential direction of the ear picking roller body; the ear picking roller bodies 4 are arranged in pairs, the two ear picking roller bodies are parallel and close to each other, and the rotating directions are opposite; the ear picking spirals on the two ear picking roll bodies are close to each other, the distance is larger than the ear picking distance, and the two ear picking spirals are matched with each other and are arranged in a staggered way; the strong pulling stems of the saw teeth on the two ear picking roller bodies are arranged in a staggered way.
Supplementary sawtooth of welding is drawn stem bar 2 between spiral sawtooth muscle 3 and the ear-picking roll body 4, supplementary sawtooth is drawn stem bar 2 and is plucked ear-picking roll body 4's axis parallel arrangement, and supplementary sawtooth is drawn stem bar 2 surface and is equipped with the sawtooth, and supplementary sawtooth is drawn the front end of stem bar 2 and is welded together with spiral sawtooth muscle 3. The number of the auxiliary sawtooth-shaped stem drawing bars 2 is four, and the auxiliary sawtooth-shaped stem drawing bars are arranged on the ear picking roller body 4 at intervals. The front ends of the two ear picking roller bodies are respectively provided with a corresponding fixed seat 6 and a corresponding guide cone 7.
Claims (3)
1. A snapping roll is characterized in that: the surface of the front roller body of the ear picking roller body (4) is provided with a spiral rib (5) and a spiral sawtooth rib (3), the spiral rib (5) and the spiral sawtooth rib (3) form an ear picking spiral together, and the ear picking spiral is coiled on the surface of the front roller body of the ear picking roller body (4); the spiral rib (5) is provided with no sawteeth and is arranged at the front part of the ear picking spiral on the ear picking roller body (4), and the surface of the spiral sawtooth rib (3) is provided with sawteeth and is arranged at the rear part of the ear picking spiral on the ear picking roller body (4); the surface of a roller body at the rear part of the ear picking roller body (4) is provided with a plurality of sawtooth forced-pulling stems (1), the surface of the sawtooth forced-pulling stems (1) is provided with sawteeth, the sawtooth forced-pulling stems (1) are mutually parallel and are arranged in parallel with the axis of the ear picking roller body (4), and the sawtooth forced-pulling stems (1) are uniformly arranged along the circumferential direction of the ear picking roller body; the ear picking roller bodies (4) are arranged in pairs, the two ear picking roller bodies are parallel and close to each other, and the rotating directions are opposite; the two ear picking rollers have the same ear picking helix pitch and opposite helix direction, and the two ear picking helices are matched and staggered with each other; the strong pulling stems of the saw teeth on the two ear picking roller bodies are arranged in a staggered way.
2. The snapping roll of claim 1, wherein: the sawtooth strong-pulling stem (1), the spiral sawtooth rib (3) and the spiral rib (5) are all welded on the surface of the ear picking roller body (4).
3. A snapping roll according to claim 1 or 2, characterized in that: the utility model discloses a corn ear picking device, including ear picking roll body (4), spiral sawtooth muscle (3) and supplementary sawtooth of welding draw stem bar (2) between ear picking roll body (4), supplementary sawtooth draws stem bar (2) and the axis parallel arrangement who picks ear picking roll body (4), and supplementary sawtooth draws stem bar (2) surface to be equipped with the sawtooth, and supplementary sawtooth draws the front end of stem bar (2) and spiral sawtooth muscle (3) welding together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220374460.0U CN216873956U (en) | 2022-02-24 | 2022-02-24 | Snapping roll |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220374460.0U CN216873956U (en) | 2022-02-24 | 2022-02-24 | Snapping roll |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216873956U true CN216873956U (en) | 2022-07-05 |
Family
ID=82184195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220374460.0U Active CN216873956U (en) | 2022-02-24 | 2022-02-24 | Snapping roll |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216873956U (en) |
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2022
- 2022-02-24 CN CN202220374460.0U patent/CN216873956U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230328 Address after: 064100 Hebei Tangshan City Yutian County Hou Hu industrial gathering area Patentee after: TANGSHAN LIJUN MACHINERY MANUFACTURING Co.,Ltd. Address before: 064106 No. 16, Fubei community, xiaosongzhuang village, Linnancang Town, Yutian County, Tangshan City, Hebei Province Patentee before: Sun Guangjun |
|
| TR01 | Transfer of patent right |