CN212212001U - Threshing separator with coaxial equidirectional differential straw cutting mechanism - Google Patents
Threshing separator with coaxial equidirectional differential straw cutting mechanism Download PDFInfo
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- CN212212001U CN212212001U CN202020389402.6U CN202020389402U CN212212001U CN 212212001 U CN212212001 U CN 212212001U CN 202020389402 U CN202020389402 U CN 202020389402U CN 212212001 U CN212212001 U CN 212212001U
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Abstract
The utility model provides a threshing separator with a coaxial homodromous differential straw cutting mechanism, which belongs to the technical field of harvesting machinery. It has solved the complicated and high problem of manufacturing cost of current threshing and separating machine structure. The utility model relates to a threshing separator with a coaxial equidirectional differential straw cutting mechanism, which comprises a roller, wherein a main shaft, a differential component and a straw cutting component are inserted in the roller. In the utility model, the differential component is movably sleeved on one end of the main shaft, the straw cutting component is movably sleeved on the differential component, when the main shaft rotates, the differential component drives the straw cutting component to move simultaneously, thereby realizing the cutting of the straw by the straw cutting component; secondly, the differential component of the utility model has simple structure, and reduces the production cost of the threshing separator.
Description
Technical Field
The utility model belongs to the technical field of harvesting machinery, a threshing separator with coaxial syntropy differential chaff cutter constructs is related to.
Background
The thresher is a core component of a combined harvesting machine, refers to a machine capable of separating crop grains from stalks, and mainly refers to a harvesting machine of grain crops. The types of thresher are different according to different crops. For example, the rice thresher is suitable for threshing rice; for threshing corn, a so-called "corn thresher" or the like is used. The thresher is commonly called a "thresher", and is the most common rice threshing machine. After the rice is harvested, the rice grains are separated from the stalks by the machine. The rice thresher is divided into two types, one type is driven by manpower, is called as a manpower rice thresher and is a semi-mechanized tool; the rice thresher is changed into power driving, so the rice thresher is called as a power rice thresher. The rice thresher greatly reduces the labor intensity of rice harvesting and improves the agricultural productivity, so that the thresher is deeply loved by the general population; however, most of threshing machines thresh crops, the threshed straws are usually directly discarded in the field, and in order to accelerate the decomposition of the straws, people usually need to collect the straws in the field, cut the straws again, and then discard the straws in the field, and the method is time-consuming and labor-consuming, so that people design a straw cutting device additionally arranged on the threshing machine, and the straw cutting device additionally arranged is adopted, so that a transmission mechanism with longer length and complicated structure is needed for driving the straw cutting device, and the production cost of the threshing machine is increased, and the threshing machine is inconvenient for people to install.
Disclosure of Invention
The utility model aims at solving the problems in the prior art and providing a threshing separator with a coaxial homodromous differential straw cutting mechanism, which has simple structure and low production cost.
The purpose of the utility model can be realized by the following technical proposal: a threshing separator with a coaxial homodromous differential straw cutting mechanism comprises:
the roller is internally inserted with a main shaft;
the differential component is movably sleeved on one end of the main shaft;
the straw cutting assembly is movably sleeved on the differential assembly, the differential assembly changes the rotation direction of the straw cutting assembly, and the rotation direction of the straw cutting assembly is the same as that of the roller.
In the threshing separator with the coaxial homodromous differential straw cutting mechanism, the differential component comprises an input shaft, an output sleeve movably sleeved on the input shaft, and a box body movably sleeved on the movable sleeve.
In the threshing separator with the coaxial homodromous differential straw cutting mechanism, the input shaft is provided with the planet carrier, the planet carrier is positioned in the box body, and the planet carrier is provided with a plurality of planet shafts along the central axis in an enclosing manner.
In the threshing and separating machine with the coaxial homodromous differential grass cutting mechanism, each planetary shaft is movably provided with a gear, each gear is meshed with the output sleeve, and each gear is meshed with the inside of the box body.
In the threshing separator with the coaxial homodromous differential straw cutting mechanism, the box body is detachably connected with the box cover, the input shaft is connected with the output sleeve through the first bearing, the output sleeve is connected with the box body through the second bearing, and the planet carrier is connected with the box cover through the third bearing.
In foretell threshing and separating machine with coaxial syntropy differential surely grass mechanism, the main shaft passes through the adapter sleeve with the input shaft to be connected, the activity cover is equipped with and is used for driving surely grass subassembly pivoted sleeve between main shaft and the output cover, be connected through the fourth bearing between sleeve and the main shaft, pass through the key-type connection between sleeve and the output cover.
In the threshing separator with the coaxial homodromous differential grass cutting mechanism, the grass cutting assembly comprises a rear connecting plate in key connection with the sleeve and a front connecting plate fixedly sleeved on the sleeve, the front connecting plate is connected with the rear connecting plate through a plurality of rolling rods, and each rolling rod is provided with a grass cutting knife corresponding to the fixed knife.
In the threshing and separating machine with the coaxial homodromous differential straw cutting mechanism, the sleeve is movably provided with the fixed plate, the fixed plate is connected with the sleeve through the fifth bearing, and the protecting sleeve is arranged between the fixed plate and the fifth bearing.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. in the utility model, the differential component is movably sleeved on one end of the main shaft, the straw cutting component is movably sleeved on the differential component, when the main shaft rotates, the differential component drives the straw cutting component to move simultaneously, thereby realizing the cutting of the straw by the straw cutting component; secondly, the differential component of the utility model has simple structure, and reduces the production cost of the threshing separator.
2. The switching component and the straw cutting component are both arranged on the main shaft, therefore, in the straw cutting process, the power sources for driving the switching component and the straw cutting component are both from the main shaft, thus avoiding the straw cutting component from using an external power source, and embodying the electricity saving function of the threshing separator.
3. The rotation direction of the straw cutting assembly is the same as that of the roller, and the rotation speed of the straw cutting assembly is greater than that of the roller, so that when straws passing through the roller enter between the straw cutting assembly and the fixed cutter, the straw cutting assembly can smoothly cut the straws, and the straw cutting efficiency of the threshing separator is improved.
4. Through the setting of preventing around the grass circle, sheltered from the clearance between back connecting plate and the cylinder to should prevent around the grass circle and set firmly on the cylinder, avoid being located the straw of casing and enter into through this clearance between surely careless subassembly and the cylinder, thereby guarantee to surely careless subassembly and can normal operating.
5. Through the arrangement of the fixing plate, the threshing and separating machine can stably run in the shell, namely, the threshing and separating machine is prevented from moving in a dislocation mode when running.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a switching assembly.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1-2, the threshing separator with coaxial equidirectional differential straw cutting mechanism of the present invention comprises a roller 100, a main shaft 110, a differential assembly 200 and a straw cutting assembly 300.
The main shaft 110 is inserted into the roller 100, the differential assembly 200 is movably sleeved on one end of the main shaft 110, the grass cutting assembly 300 is movably sleeved on the differential assembly 200, the differential assembly 200 changes the rotation speed of the grass cutting assembly 300, the rotation direction of the grass cutting assembly 300 is the same as the rotation direction of the roller 100, further, the threshing separator further comprises a machine shell 500 for mounting the roller 100, the main shaft 110, the differential assembly 200 and the grass cutting assembly 300 are all positioned in the machine shell 500, a fixed knife 510 corresponding to the grass cutting assembly 300 is arranged in the machine shell 500, when the roller 100 rotates, the roller separates rice from straws and primarily cuts the straws, meanwhile, the roller 100 drives the main shaft 110 to synchronously rotate, the grass cutting assembly 300 also rotates along with the roller under the action of the differential assembly, the rotation speed of the grass cutting assembly is larger than the rotation speed of the roller, the rotation direction of the grass cutting assembly 300 is the same as the rotation direction of the roller 100, because the fixed cutter 510 corresponding to the straw cutting assembly 300 is arranged in the casing 500, the straws passing between the fixed cutter 510 and the straw cutting assembly 300 can be smoothly cut, specifically, the straws can be cut to be within 5 centimeters and directly fall to the ground through an opening (not marked in the figure) at the bottom of the casing 500, so that the straws are returned to the field, the soil protective farming is realized, and thus, the straws are prevented from being reprocessed in the later period of people, and the labor intensity of the people is reduced; secondly, the differential assembly and the straw cutting assembly 300 are both arranged on the main shaft 110, so that in the straw cutting process, power sources for driving the differential assembly and the straw cutting assembly 300 are both from the main shaft 110, and a group of transmission mechanisms (not marked in the figure) for driving the straw cutting assembly 300 to move is not required to be additionally arranged on the side edge of the threshing and separating machine, so that the threshing and separating machine is greatly simplified, the weight of the threshing and separating machine is also reduced, specifically, the weight of the straw cutting assembly is reduced to be below 20kg, and in addition, the production cost of the threshing and separating machine is also reduced.
The differential assembly 200 includes an input shaft 210, an output sleeve 220 movably sleeved on the input shaft 210, a box 230 movably sleeved on the movable sleeve, a planet carrier 240 disposed on the input shaft 210, the planet carrier 240 located in the box 230, a plurality of planet shafts 241 disposed on the planet carrier 240 along a central axis thereof, a gear 241a movably mounted on each planet shaft 241, each gear 241a engaging with the inside of the box 230, and a box cover 250 detachably connected to the box 230, during the mounting process, the box 230 and the box cover 250 need to be screwed to the housing 500, so that the box 230 and the box cover 250 are always stationary relative to the housing 500 during the operation of the threshing machine, during the operation of the differential assembly 200, the input shaft 210 axially rotates around the central axis thereof, because the planet carrier 240 is clamped on the input shaft 210, specifically, the planet carrier 240 is keyed to the input shaft 210, the planet carrier 240 rotates along with the planet carrier, because the planet shafts 241 are fixedly arranged on the planet carrier 240, the gears 241a are movably arranged on the corresponding planet shafts 241, each gear 241a is meshed with the output sleeve 220, each gear 241a is meshed with the inside of the box body 230, and the box body 230 is static relative to the machine shell 500, so that when the planet carrier 240 rotates by taking the input shaft 210 as a center, the gears 241a rotate by taking the corresponding planet shafts 241 as a center, and because each gear 241a is meshed with the output sleeve 220, the output sleeve 220 is driven to move, and the rotating direction of the output sleeve 220 is the same as that of the input shaft 210, so that the functions of homodromous and differential rotation of the grass cutting component and the roller can be realized, secondly, the structure of the differential component 200 is compact, the space occupied by the differential component 200 in the threshing separator is effectively reduced, and the use of people is convenient.
Further, drive output cover, sleeve and the synchronous rotation of surely grass subassembly through the gear, changed the rotational speed between main shaft and the surely grass subassembly, in other words, the utility model provides an output cover, gear and box three's meshing structure is equivalent to a set of speed change mechanism, has realized the low rotational speed input of main shaft, and the high rotational speed of surely grass subassembly is exported, so, has effectively improved the efficiency of cutting up of this surely grass subassembly to the straw.
Furthermore, the diameter of the planet carrier is larger than that of the output sleeve, and the output sleeve and the box body are meshed with the gear, so that when the main shaft rotates, the output sleeve can output at a higher rotating speed.
The input shaft 210 is connected with the output sleeve 220 through the first bearing 260, the planet carrier 240 is connected with the box cover 250 through the third bearing 280, the planet carrier 240 is clamped and fixed at one end of the input shaft 210, specifically, the planet carrier 240 is connected with the input shaft 210 through a key, therefore, the input shaft 210 and the planet carrier 240 can synchronously move relative to the box body 230, the output sleeve 220 is connected with the box body 230 through the second bearing 270, the output sleeve 220 can move relative to the box body 230, and the output sleeve 220 can also move relative to the input shaft 210.
The main shaft 110 is connected with the input shaft 210 through a connecting sleeve 120, so that during the rotation of the main shaft 110, the input shaft 210 also rotates along with the main shaft 110, a sleeve 130 for driving the straw cutting assembly 300 to rotate is movably sleeved between the main shaft 110 and the output sleeve 220, one end of the sleeve 130 is connected with the main shaft 110 through a fourth bearing 140, the end of the sleeve 130 is connected with the grass cutting component through a key, the other end of the sleeve 130 is connected with the output sleeve 220 through a key, so that, when the output sleeve 220 is rotated, the sleeve 130 can drive the grass cutting assembly 300 to move, and the sleeve 130 and the grass cutting assembly 300 are rotated in the same direction as the output housing 220, that is, such that the sleeve 130 and the grass cutting assembly 300 rotate in the same direction as the main shaft 110, when the straw passing through the roller 100 enters between the straw cutting assembly 300 and the fixed knife 510, the straw cutting assembly 300 can smoothly cut the straw.
Further, the roller 100 includes a main body 160, a plurality of barrel bars 170 are disposed on the main body 160, each barrel bar 170 is provided with a plurality of barrel pieces 180, the main shaft 110 is fixedly connected with the main body 160, in operation, the main body 160 drives the barrel bars 170, the barrel pieces 180 and the main shaft 110 to rotate along the same direction, when rice and straw enter the housing 500 simultaneously, the barrel bars 170 and the barrel pieces 180 on the roller 100 separate grains from straw, the barrel pieces cut the straw for the first time, because the roller 100 can generate air convection inside the housing 500 in the rotating process, because the side surface of the main body 160 is arranged in a spiral shape, the air inside the housing 500 is blown to the direction of the straw cutting assembly 300 from the roller 100 in a spiral state, so that the straw with light weight moves to the position between the straw cutting assembly 300 and the fixed knife 510 from one side of the roller 100 in a spiral state, because the rotating direction of the straw cutting assembly 300 is the same as the rotating direction of the roller 100, and the rotation speed of the straw cutting assembly is greater than that of the roller, so that the straw entering between the straw cutting assembly 300 and the fixed knife 510 can be quickly chopped by the straw cutting assembly 300, and thus, the straw cutting efficiency of the threshing separator can be improved.
The grass cutting assembly 300 comprises a rear connecting plate 310 connected with the sleeve 130 in a key mode and a front connecting plate 320 fixedly sleeved on the sleeve 130, the front connecting plate 320 is connected with the rear connecting plate 310 through a plurality of rolling rods 330, each rolling rod 330 is provided with a grass cutting knife 331 corresponding to the fixed knife 510, and the central axis of the main shaft 110 is coincident with the central axis of the sleeve 130, so that when the grass cutting assembly 300 works, namely when the grass cutting assembly 300 rotates around the central axis of the main shaft 110, the rear connecting plate 310, the front connecting plate 320, the rolling rods 330 and the grass cutting knives 331 all rotate around the central axis of the main shaft 110, and the rotating directions of the four rotating directions are the same as the rotating direction of the main shaft 110, so that the straw is cut rapidly by the grass cutting knives 331.
The fixed plate 400 is movably mounted on the sleeve 130, the fixed plate 400 is connected with the sleeve 130 through the fifth bearing 410, the protective sleeve 420 is arranged between the fixed plate 400 and the fifth bearing 410, during mounting, people need to connect the fixed plate 400 with the machine shell 500, specifically, the fixed plate 400 can be connected with the machine shell 500 through welding or threads, during operation, the sleeve 130 can move relative to the fixed plate 400 through the action of the fifth bearing 410, namely, independent operation between the sleeve 130 and the fixed plate 400 is realized, and the arrangement of the fixed plate 400 enables the threshing separator to stably operate in the machine shell 500, namely, the threshing separator is prevented from malposition movement when in operation.
The one end that cylinder 100 is close to grass cutting assembly 300 is enclosed and is equipped with around grass ring 150, the utility model discloses in, because of the direction of rotation of grass cutting assembly 300 is different with the rotation rate of cylinder 100 for there must be the clearance between back connecting plate 310 and the cylinder 100, and should prevent around grass ring 150's setting, sheltered from the clearance between back connecting plate 310 and the cylinder 100, and should prevent around grass ring 150 and set firmly on cylinder 100, avoid being located the straw of casing 500 and enter into between grass cutting assembly 300 and the cylinder 100 through this clearance, thereby guarantee that grass cutting assembly 300 can normal operating.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (8)
1. The utility model provides a threshing and separating machine with coaxial syntropy differential surely grass mechanism which characterized in that includes:
the roller is internally inserted with a main shaft;
the differential component is movably sleeved on one end of the main shaft;
the straw cutting assembly is movably sleeved on the differential assembly, the differential assembly changes the rotation speed of the straw cutting assembly, and the rotation direction of the straw cutting assembly is the same as that of the roller.
2. The threshing separator with the coaxial homodromous differential straw cutting mechanism according to claim 1, wherein the differential assembly comprises an input shaft, an output sleeve movably sleeved on the input shaft, and a box body movably sleeved on the movable sleeve.
3. The threshing separator with coaxial homodromous differential straw cutting mechanism of claim 2, wherein the input shaft is provided with a planet carrier, the planet carrier is positioned in the box body, and a plurality of planet shafts are arranged on the planet carrier along the central axis of the planet carrier.
4. The threshing separator with a coaxial equidirectional differential straw cutting mechanism as claimed in claim 3, wherein each planetary shaft is movably mounted with a gear, each gear is engaged with the output sleeve, and each gear is engaged with the inside of the box body.
5. The threshing separator with the coaxial homodromous differential straw cutting mechanism according to claim 3, wherein a case cover is detachably connected to the case body, the input shaft is connected with the output sleeve through a first bearing, the output sleeve is connected with the case body through a second bearing, and the planet carrier is connected with the case cover through a third bearing.
6. The threshing separator with the coaxial homodromous differential straw cutting mechanism as claimed in claim 2, wherein the main shaft is connected with the input shaft through a connecting sleeve, a sleeve for driving the straw cutting assembly to rotate is movably sleeved between the main shaft and the output sleeve, the sleeve is connected with the main shaft through a fourth bearing, and the sleeve is connected with the output sleeve through a key.
7. The threshing separator with coaxial equidirectional differential straw cutting mechanism according to claim 6, wherein the straw cutting assembly comprises a rear connecting plate in key connection with the sleeve and a front connecting plate fixedly sleeved on the sleeve, the front connecting plate and the rear connecting plate are connected through a plurality of rolling rods, and each rolling rod is provided with a straw cutting knife corresponding to the fixed knife.
8. The threshing separator with the coaxial homodromous differential straw cutting mechanism according to claim 7, wherein a fixed plate is movably mounted on the sleeve, the fixed plate is connected with the sleeve through a fifth bearing, and a protective sleeve is arranged between the fixed plate and the fifth bearing.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020389402.6U CN212212001U (en) | 2020-03-24 | 2020-03-24 | Threshing separator with coaxial equidirectional differential straw cutting mechanism |
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| CN202020389402.6U CN212212001U (en) | 2020-03-24 | 2020-03-24 | Threshing separator with coaxial equidirectional differential straw cutting mechanism |
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| CN212212001U true CN212212001U (en) | 2020-12-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114451153A (en) * | 2022-01-20 | 2022-05-10 | 益阳创辉农业机械装备有限公司 | Double-speed threshing cylinder with grass chopping device |
-
2020
- 2020-03-24 CN CN202020389402.6U patent/CN212212001U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114451153A (en) * | 2022-01-20 | 2022-05-10 | 益阳创辉农业机械装备有限公司 | Double-speed threshing cylinder with grass chopping device |
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