CN113228941A - Clamping and feeding device of straw shredding machine - Google Patents
Clamping and feeding device of straw shredding machine Download PDFInfo
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- CN113228941A CN113228941A CN202110329568.8A CN202110329568A CN113228941A CN 113228941 A CN113228941 A CN 113228941A CN 202110329568 A CN202110329568 A CN 202110329568A CN 113228941 A CN113228941 A CN 113228941A
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- swing arm
- straw
- feeding
- straws
- flattening roller
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D82/00—Crop conditioners, i.e. machines for crushing or bruising stalks
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D82/00—Crop conditioners, i.e. machines for crushing or bruising stalks
- A01D82/02—Rollers for crop conditioners
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Abstract
The invention discloses a clamping and feeding device of a straw filament cutting machine, which belongs to the technical field of animal husbandry machinery and is characterized in that: the straw filament cutting machine clamps the feeding device, and the left swing arm, the right swing arm, the intermediate shaft and the synchronizing shaft are fixedly connected into a whole, so that the flattening roller is ensured to float horizontally, and parts are impacted slightly; the retarding plate and the synchronizing shaft are welded into an integral structure, when the feeding amount of the straws is increased, the flattening roller rotates upwards, the retarding plate and the synchronizing shaft rotate downwards under the combined action of the left swing arm and the right swing arm, the retarding plate is close to the upper plane of the feeding rake chain, and the straws on the upper part of the retarding material layer move towards the inside of the machine; meanwhile, the right swing arm and the stop handle also rotate towards the direction of the rotating key clutch, when the stop handle rotates downwards to a certain height, the rotating arm of the clutch is blocked to continue rotating, the rotating key clutch is in a separated state, the feeding driving shaft stops rotating, the feeding rake chain carrying the straws also stops operating, the feeding amount of the straws is reduced, the pressure of flattening, shredding and throwing cutting processes is reduced, and the machine stably operates.
Description
Technical Field
The invention relates to a straw clamping and feeding device applied to a straw filament cutting machine, and belongs to the technical field of animal husbandry machinery.
Background
At present, the conventional straw filament cutting machine manually breaks and bundles the whole straw and then puts the whole straw into a feeding groove, a feeding roller with a transverse groove rotates to feed the straw into the machine, and due to manual feeding, the uniformity of a material control layer is difficult to control, and the two sides of the feeding roller cannot be kept horizontal in the floating process, so that a transmission part is extremely easy to damage; when the feeding amount is increased instantly, the straw is overlapped in a staggered way to directly influence the wire drawing effect; the instantly and sharply increased load affects the service life of the machine, increases the maintenance cost of the equipment, and causes great difficulty in the utilization of the straw feed.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a clamping and feeding device of a straw filament cutting machine.
The technical scheme adopted by the invention is as follows: the clamping and feeding device of the straw filament cutting machine mainly comprises a left swing arm, a synchronizing shaft, a retarding plate, a middle shaft, a flattening roller, a right swing arm, a middle chain wheel, a double chain wheel, a side vertical plate, a filament cutting roller, an input chain wheel, a side plate cross beam, a tension spring, a feeding protection plate, a feeding driving shaft, a feeding rake chain, a rotating key clutch, a clutch rotating arm, a stop handle, a flattening roller gear and the like. The left swing arm and the right swing arm of the straw filament cutting machine clamping and feeding device are respectively formed by welding a steel plate and three steel sleeves, and the three steel sleeves are arranged in an obtuse triangle; key grooves are machined in steel sleeves of the left swing arm and the right swing arm in the middle positions, so that the left swing arm and the right swing arm are fixed at two ends of the intermediate shaft through flat keys; the upper steel sleeves of the left swing arm and the right swing arm are respectively fixed at two ends of the synchronizing shaft through jackscrews, so that the left swing arm and the right swing arm cannot generate axial displacement; rolling bearings are arranged in steel sleeves at the lower parts of the left swing arm and the right swing arm, and shaft heads at two ends of the flattening roller with the grooves on the surface respectively penetrate through the rolling bearings; a flattening roller gear is arranged on a shaft head on the right side of the flattening roller, and power is transmitted to the flattening roller by the flattening roller gear through a middle chain wheel, so that the flattening roller can rotate between a left swing arm and a right swing arm; the left swing arm, the right swing arm, the intermediate shaft and the synchronizing shaft are fixedly connected into an integral structure, so that the left swing arm and the right swing arm can synchronously rotate, and the flattening roller is ensured to be always kept horizontal when floating up and down. The middle shaft of the clamping and feeding device of the straw shredding machine is positioned above the straw feeding side of the flattening roller, when bundled straws are fed, the flattening roller gear drives the flattening roller to rotate, the fed straws are flatly laid on the shredding roller by a layer of thickness and float up and down along with the flattening roller by taking the middle shaft as a circle center, and each straw is extruded into a flat shape; the diameter ratio of the wire drawing roller to the flattening roller is 1.2:1, when the flattening roller and the wire drawing roller rotate oppositely at a constant speed, the linear speed of the wire drawing roller is 1.2 times of that of the flattening roller, the annular cutting edge on the surface of the lower wire drawing roller shreds the straws under the extrusion of the flattening roller at the upper part of the straws, and the shredded straws are uniformly and continuously fed into the throwing and cutting chamber of the straw wire drawing machine through the opposite rotation of the flattening roller and the wire drawing roller. The straw filament cutting machine clamping and feeding device is characterized in that a retarding plate of the straw filament cutting machine clamping and feeding device is formed by processing a steel plate, the front end of the retarding plate is bent downwards by 43 degrees and is provided with a semi-elliptical groove, the width of the groove is 1.5 times of the average diameter of straws, and when the retarding plate blocks the straws, part of the straws can pass through the groove to ensure the continuity of feeding; the rear end of the retardation plate is provided with two round holes, one end of the tension spring is hung on the retardation plate through the round holes, and the other end of the tension spring is hung on the side plate beam; the retarding plate and the synchronizing shaft are welded into an integral structure, when the feeding amount of the straws is increased instantly, the flattening roller rotates upwards by taking the intermediate shaft as a circle center, the retarding plate and the synchronizing shaft overcome the tension of the tension spring under the combined action of the left swing arm and the right swing arm, the intermediate shaft also rotates downwards along with the intermediate shaft as the circle center, the retarding plate is close to the upper plane of the feeding rake chain, the straws on the upper part of the retarding material layer move inwards to the machine, so that the straws are kept to be arranged on the wire drawing roller between the vertical plates on the two sides in a single layer, and flattening and wire drawing of the straws are facilitated. A right swing arm of the straw shredding machine clamping feeding device is provided with a stop handle, when the straw feeding amount is increased instantly, a flattening roller rotates upwards by taking a middle shaft as a circle center, the right swing arm and the stop handle also rotate towards a direction of a turnkey clutch, when the stop handle rotates downwards to a certain height, a clutch rotating arm is blocked to continue rotating, the turnkey clutch is in a separated state, a feeding driving shaft stops rotating, a feeding rake chain carrying straw also stops rotating, the straw feeding amount is reduced rapidly, so that the pressure of flattening, shredding and throwing cutting processes is reduced, and the stable operation of the machine is realized.
When the straw filament cutting machine works, power is transmitted to an input chain wheel of the clamping and feeding device of the straw filament cutting machine through a chain by a host machine, the input chain wheel drives a filament cutting roller between vertical plates on two sides to rotate and transmits the power to a double chain wheel on a shaft head on the right side of the filament cutting roller; the double-chain wheel is formed by welding two chain wheel discs and a hub, the chain wheel at the inner side of the double-chain wheel drives a turnkey clutch to rotate through a chain, a clutch rotating arm rotates together with the turnkey clutch when not under the action of external force, the turnkey clutch is in a joint state, the turnkey clutch drives a feeding driving shaft to rotate, and a feeding rake chain is driven to convey straws between two feeding guard plates to a flattening roller and a wire drawing roller; the outer side chain wheel of the double chain wheel drives the middle chain wheel on the right shaft head of the middle shaft to rotate at the same direction and the same speed through the chain; the middle chain wheel is formed by welding a gear and a chain wheel on a hub, and two rolling bearings are arranged in the hub of the middle chain wheel, so that the middle chain wheel can freely rotate on the middle shaft; the double chain wheels transmit power to the chain wheel on the outer side of the middle chain wheel through a chain, then transmit the power to the flattening roller gear through the gear on the inner side of the middle chain wheel, and the flattening roller gear drives the flattening roller to rotate, so that the straws are fed into the throwing cutting chamber to be cut off and are thrown out of the machine while being flattened.
Compared with the prior art, the straw feeding device has the advantages that straw feeding is uniform and continuous, parts are less impacted, and the machine runs stably; the straw filamentation effect is good, and the processed straw is soft and fine and can be directly used as feed to feed cattle and sheep.
Drawings
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a front view of a clamping and feeding device of a straw filament cutting machine.
FIG. 2 is a left side view of a clamping and feeding device of the straw filament cutting machine.
FIG. 3 is a view of the clamping and feeding device A of the straw filament cutting machine.
In the figure 1, 1 is a left swing arm, 2 is a synchronizing shaft, 3 is a retarding plate, 4 is an intermediate shaft, 5 is a flattening roller, 6 is a right swing arm, 7 is an intermediate chain wheel, 8 is a double chain wheel, 9 is a side vertical plate, 10 is a scribing roller, and 11 is an input chain wheel.
In figure 2, 12 is a side plate cross beam, 13 is a tension spring, 14 is a feeding guard plate, 15 is a feeding driving shaft, and 16 is a feeding rake chain.
In fig. 3, 17 is a rotating key clutch, 18 is a clutch rotating arm, 19 is a stop handle, 20 is a pinch roller gear.
Detailed Description
The invention is further described below with reference to the accompanying drawings: the clamping and feeding device of the straw filament cutting machine mainly comprises a left swing arm 1, a synchronizing shaft 2, a retarding plate 3, an intermediate shaft 4, a flattening roller 5, a right swing arm 6, an intermediate chain wheel 7, a double chain wheel 8, a side vertical plate 9, a filament cutting roller 10, an input chain wheel 11, a side plate cross beam 12, a tension spring 13, a feeding guard plate 14, a feeding driving shaft 15, a feeding rake chain 16, a rotating key clutch 17, a clutch rotating arm 18, a stopping handle 19, a flattening roller gear 20 and the like. The left swing arm 1 and the right swing arm 6 of the clamping and feeding device of the straw filament cutting machine are respectively formed by welding a steel plate and three steel sleeves, and the three steel sleeves are arranged in an obtuse triangle; key grooves are machined in steel sleeves of the left swing arm 1 and the right swing arm 6 at the middle positions, so that the left swing arm 1 and the right swing arm 6 are fixed at two ends of the intermediate shaft 4 through flat keys; steel sleeves at the upper parts of the left swing arm 1 and the right swing arm 6 are respectively fixed at two ends of the synchronizing shaft 2 through jackscrews, so that the left swing arm 1 and the right swing arm 6 cannot axially displace; rolling bearings are arranged in steel sleeves at the lower parts of the left swing arm 1 and the right swing arm 6, and shaft heads at two ends of a flattening roller 5 with a groove on the surface respectively penetrate through the rolling bearings; a flattening roller gear 20 is arranged at the right shaft head of the flattening roller 5, and the flattening roller gear 20 transmits power to the flattening roller 5 from the middle chain wheel 7, so that the flattening roller 5 can rotate between the left swing arm 1 and the right swing arm 6; left swing arm 1, right swing arm 6, jackshaft 4 and synchronizing shaft 2 fixed connection become integrative structure, make left swing arm 1 and right swing arm 6 can wind the central synchronous rotation of jackshaft 4, guarantee to flatten and keep the level when roller 5 fluctuates all the time. The middle shaft 4 of the clamping and feeding device of the straw shredding machine is positioned above the straw feeding side of the flattening roller 5, when bundled straws are fed, the flattening roller gear 20 drives the flattening roller 5 to rotate, the fed straws are flatly laid on the shredding roller 10 by a layer of thickness and float up and down along with the flattening roller 5 by taking the middle shaft 4 as the center of a circle, so that each straw is extruded into a flat shape; the diameter ratio of the scribing roller 10 to the flattening roller 5 is 1.2:1, when the flattening roller 5 and the wire drawing roller 10 rotate oppositely at a constant speed, the linear speed of the wire drawing roller 10 is 1.2 times of that of the flattening roller 5, the annular cutting edge on the surface of the lower wire drawing roller 10 shreds the straws under the extrusion of the upper flattening roller 5 of the straws, and the straws which are shredded are uniformly and continuously fed into the throwing and cutting chamber of the straw shredding machine through the opposite rotation of the flattening roller 5 and the wire drawing roller 10. The retarding plate 3 of the clamping and feeding device of the straw filament cutting machine is formed by processing a steel plate, the front end of the retarding plate 3 is bent downwards by 43 degrees and is processed with a semi-elliptical groove, the width of the groove is 1.5 times of the average diameter of the straws, and when the retarding plate 3 blocks the straws, part of the straws can pass through the groove to ensure the continuity of feeding; two round holes are formed in the rear end of the blocking plate 3, one end of a tension spring 13 is hung on the blocking plate 3 through the round holes, the other end of the tension spring is hung on the side plate cross beam 12, and the flattening roller 5 has continuous downward pressure to flatten the straws through the tension force applied by the tension spring 13 to the blocking plate 3 welded on the synchronizing shaft 2; the retarding plate 3 and the synchronizing shaft 2 are welded into an integral structure, when the straw feeding amount is increased instantly, the flattening roller 5 rotates upwards by taking the axis of the intermediate shaft 4 as the center of a circle, the retarding plate 3 and the synchronizing shaft 2 overcome the tension of the tension spring 13 under the combined action of the left swing arm 1 and the right swing arm 6 and also rotate downwards by taking the axis of the intermediate shaft 4 as the center of a circle, the retarding plate 3 is close to the upper plane of the feeding rake chain 16, the straws on the upper part of the retarding material layer move inwards to keep the straws arranged on the wire drawing roller 10 between the vertical plates 9 on the two sides in a single layer, and the flattening and the wire drawing of the straws are facilitated. The right swing arm 6 of the straw cutting machine clamping feeding device is provided with a stop handle 19, when the straw feeding amount is increased instantly, the flattening roller 5 rotates upwards by taking the axis of the intermediate shaft 4 as the center of a circle, the right swing arm 6 and the stop handle 19 also rotate towards the direction of the rotating key clutch 17, when the stop handle 19 rotates downwards to a certain height, the clutch rotating arm 18 is blocked to continue rotating, the rotating key clutch 17 is in a separated state, the feeding driving shaft 15 stops rotating, the feeding rake chain 16 loaded with straws stops rotating, the straw feeding amount is rapidly reduced, the pressure of the flattening, cutting and throwing processes is reduced, and the stable operation of the machine is realized.
When the straw filament cutting machine works, power is transmitted to an input chain wheel 11 of a clamping and feeding device of the straw filament cutting machine through a chain by a host machine, the input chain wheel 11 drives a filament cutting roller 10 between vertical plates 9 on two sides to rotate and transmits the power to a double chain wheel 8 on a shaft head on the right side of the filament cutting roller 10; the double chain wheel 8 is formed by welding two chain wheel discs and a hub, the inner side chain wheel of the double chain wheel 8 drives a turnkey clutch 17 to rotate through a chain, a clutch rotating arm 18 rotates together with the turnkey clutch 17 when not being affected by external force, the turnkey clutch 17 is in a joint state, the turnkey clutch 17 drives a feeding driving shaft 15 to rotate, and a feeding rake chain 16 is driven to convey straws between two feeding guard plates 14 to a position between a flattening roller 5 and a shredding roller 10; the outer side chain wheel of the double chain wheel 8 drives the middle chain wheel 7 on the right shaft head of the middle shaft 4 to rotate at the same direction and the same speed through the chain; the middle chain wheel 7 is formed by welding a gear and a chain wheel on a hub, and a two-port rolling bearing is arranged in the hub of the middle chain wheel 7, so that the middle chain wheel 7 can freely rotate on the middle shaft 4; the double chain wheel 8 transmits power to the chain wheel at the outer side of the middle chain wheel 7 at a speed ratio of 1:1 through a chain, so that the middle chain wheel 7 and the double chain wheel 8 rotate in the same speed and direction; the gear on the inner side of the middle chain wheel 7 transmits power to the pinch roller gear 20 at the speed ratio of 1:1, so that the pinch roller gear 20 and the double chain wheel 8 rotate reversely at a constant speed; the flattening roller gear 20 drives the flattening roller 5 to rotate in the opposite direction of the wire cutting roller 10, so that the straws are fed into the throwing and cutting chamber to be cut off while being flattened and then are thrown out of the machine.
Claims (3)
1. A clamping and feeding device of a straw cutting machine comprises a left swing arm, a synchronizing shaft, a retarding plate, a middle shaft, a flattening roller, a right swing arm, a middle chain wheel, a double chain wheel, a side vertical plate, a cutting roller, an input chain wheel, a side plate cross beam, a tension spring, a feeding protection plate, a feeding driving shaft, a feeding rake chain, a rotating key clutch, a clutch rotating arm, a stop handle and a flattening roller gear; the method is characterized in that: the left swing arm and the right swing arm of the straw filament cutting machine clamping and feeding device are fixed at two ends of the intermediate shaft through flat keys, the upper parts of the left swing arm and the right swing arm are fixed at two ends of the synchronizing shaft through jackscrews, and the left swing arm, the right swing arm, the intermediate shaft and the synchronizing shaft are fixedly connected into an integral structure, so that the left swing arm and the right swing arm can synchronously rotate, and the flattening roller is ensured to be always kept horizontal when floating up and down; the middle shaft of the clamping and feeding device of the straw shredding machine is positioned above the straw feeding side of the flattening roller, when bundled straws are fed, the flattening roller gear drives the flattening roller to rotate, the fed straws are flatly laid on the shredding roller by a layer of thickness, each straw is extruded into a flat shape, and the straws float up and down along with the flattening roller by taking the middle shaft as a circle center, and are uniformly and continuously fed into a throwing and cutting chamber of the straw shredding machine; the straw cutting machine clamps a retarding plate of a feeding device and is welded with a synchronizing shaft into an integral structure, when the feeding amount of straws is increased instantly, a flattening roller rotates upwards by taking a middle shaft as a circle center, the retarding plate and the synchronizing shaft also rotate downwards by taking the middle shaft as the circle center under the combined action of a left swing arm and a right swing arm, the retarding plate is close to the upper plane of a feeding rake chain, and the straws on the upper part of a material layer are retarded to move inwards so as to be beneficial to flattening and cutting the straws; a right swing arm of the straw shredding machine clamping feeding device is provided with a stop handle, when the straw feeding amount is increased instantly, a flattening roller rotates upwards by taking a middle shaft as a circle center, the right swing arm and the stop handle also rotate towards a direction of a turnkey clutch, when the stop handle rotates downwards to a certain height, a clutch rotating arm is blocked to continue rotating, the turnkey clutch is in a separated state, a feeding driving shaft stops rotating, a feeding rake chain carrying straw also stops rotating, the straw feeding amount is reduced rapidly, so that the pressure of flattening, shredding and throwing cutting processes is reduced, and the stable operation of the machine is realized.
2. The straw filament cutting machine clamping and feeding device as claimed in claim 1, wherein: the front end of a retarding plate of the straw filament cutting machine clamping and feeding device is bent downwards by 43 degrees and is provided with a semi-elliptical groove, and the width of the groove is 1.5 times of the average diameter of the straws.
3. The straw filament cutting machine clamping and feeding device as claimed in claim 1, wherein: the flattening roller and the wire drawing roller of the straw wire drawing machine clamping feeding device rotate oppositely at a constant speed, and the diameter ratio of the wire drawing roller to the flattening roller is 1.2:1, so that the linear speed of the wire drawing roller is 1.2 times that of the flattening roller.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110329568.8A CN113228941B (en) | 2021-03-29 | 2021-03-29 | Clamping and feeding device of straw filament cutting machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110329568.8A CN113228941B (en) | 2021-03-29 | 2021-03-29 | Clamping and feeding device of straw filament cutting machine |
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| CN113228941A true CN113228941A (en) | 2021-08-10 |
| CN113228941B CN113228941B (en) | 2022-07-15 |
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| CN113228941B (en) | 2022-07-15 |
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