CN109820204B - Cam-type rotary betel nut sorting device - Google Patents

Cam-type rotary betel nut sorting device Download PDF

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Publication number
CN109820204B
CN109820204B CN201910190869.XA CN201910190869A CN109820204B CN 109820204 B CN109820204 B CN 109820204B CN 201910190869 A CN201910190869 A CN 201910190869A CN 109820204 B CN109820204 B CN 109820204B
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cam
vertical
shaft
cylindrical cam
frame
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CN109820204A (en
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聂松辉
唐丛萱
李鹏程
刘志青
林强
邱爱红
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Xiangtan University
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Xiangtan University
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/90Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation

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Abstract

The invention discloses a cam type rotary betel nut sorting device which comprises a frame (1), a driving shaft group (2), a conveying mechanism (3), a cylindrical cam mechanism (4) and a betel nut conveying mechanism (5). The frame (1) adopts the section bar weldment, and driving shaft group (2) are installed in the below of frame (1), and conveying mechanism (3) adopt chain drive, install in the upper portion both sides of frame (1), and cylindrical cam mechanism (4) are installed in frame (1) middle part, and betel nut transfer mechanism (5) adopt roller follower disk cam mechanism, install in cylindrical cam mechanism (4). The betel nut sorting device can replace manual betel nuts on the clamp to be extracted and transferred to the sorting station for sorting betel nuts, and the betel nut sorting device can effectively improve the efficiency and quality of betel nut processing lines. The invention has the advantages of simple structure, energy conservation, environmental protection, convenient manufacture and maintenance, suitability for various clamp type betel nut processing pipelines and the like.

Description

Cam-type rotary betel nut sorting device
Technical Field
The invention relates to the field of research of processing and sorting pipelines, in particular to a betel nut sorting device suitable for being used in a pipeline.
Background
The quantity of betel nuts eaten by people is increased compared with the prior art, and the quantity of betel nuts eaten by people in Hunan areas is 87% of people in China. Because most betel nut factories make betel nuts by full manual work, the market demand for betel nuts is continuously increased, a great deal of pressure is increased for betel nut factories, a series of heavy processing procedures such as fruit selection, seed cutting, pit removal and the like are needed for making betel nuts, at present, a small part of betel nut factories begin to use machines to assist in processing betel nuts, most betel nut processing machines can only realize independent processing betel nuts, refer to the latest technical data, the latest processing equipment of betel nut factories is pipeline processing machines, betel nuts are placed on clamps to bring betel nuts to various stations through conveyor belts or chains and the like, and the processed betel nuts need to be manually subjected to clamping and sorting, so that the efficiency of overall work is reduced in the last step, and a device for clamping and conveying the sorted betel nuts is needed to replace because the danger of food pollution is increased due to manual participation. The cam type rotating betel nut sorting device can take betel nuts out of the clamp and transfer the betel nuts to the sorting station for betel nut sorting. The design can improve the processing efficiency, can reduce the possibility of food pollution to the minimum, and ensures that the processing automation assembly line of the betel nut is finished in one-step processing.
Disclosure of Invention
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a cam type rotating betel nut sorting device, which comprises a frame 1, a driving shaft group 2, a conveying mechanism 3, a cylindrical cam mechanism 4 and a betel nut transferring mechanism 5. The driving shaft group 2 is arranged below the frame 1, the conveying mechanism 3 is arranged on two sides of the upper part of the frame 1, the cylindrical cam mechanism 4 is arranged in the middle of the frame 1, and the betel nut transfer mechanism 5 is arranged in the cylindrical cam mechanism 4.
In the invention, the frame 1 comprises a welding frame 101,2 main shaft bearing seat 102 and a 2-chain wheel shaft bearing seat 103; the welding frame 101 is a section welding piece, the 2 main shaft bearing with a seat 102 is symmetrically fixed on the lower cross beam of the welding frame 101 by bolts, and the 2 chain wheel bearing with a seat 103 is symmetrically fixed on the upper end of the welding frame 101 by bolts;
in the invention, the driving shaft group 2 comprises a main shaft 201 and a cam 202; the main shaft 201 is arranged in a bearing 102 with a seat of the main shaft 2 on the lower beam of the frame 1, and the cam 202 is fixedly arranged on the main shaft 201 through a pressing block;
in the invention, the conveying mechanism 3 comprises a sprocket shaft 301,2, a sprocket 303,2, a chain 302 and a clamp 304; the chain wheel shaft 301 is arranged in a 2 chain wheel shaft seat bearing 103 at the upper end of the frame 1, the 2 chain wheels 303 are fixedly arranged at two sides of the chain wheel shaft 301 through pressing blocks, a 2 chain 302 and the 2 chain wheels 303 are matched to form chain transmission, and a clamp 304 is fixedly arranged on the chain through screws;
in the invention, the cylindrical cam mechanism 4 comprises a lower cylindrical cam 405,4 supporting shaft 402, an upper cylindrical cam 401, a 2 vertical baffle 403 and a 2 inclined baffle 404; the lower cylindrical cam 405 is fixedly arranged on a cross beam in the middle of the frame 1 by bolts, the upper cylindrical cam 401 and the lower cylindrical cam 405 are fixedly connected into a whole through a 4 support shaft 402 to form a cylindrical cam, two groups of rotationally symmetrical cam grooves which are connected end to end are arranged on the cylindrical cam, the 2 vertical baffle 403 is hinged at two corners of the lower cylindrical cam 405, the 2 vertical baffle 403 is kept in a vertical state by adopting a torsion spring, the roller can only move from the rotating cam groove to the vertical cam groove to limit the movement of the roller from the vertical cam groove to the rotating cam groove, the 2 inclined baffle 404 is hinged at two corners of the upper cylindrical cam 401, and the 2 inclined baffle 404 is kept in an inclined state by adopting the torsion spring, so that the roller can only move from the vertical cam groove to the rotating cam groove to limit the movement of the roller from the rotating cam groove to the vertical cam groove;
preferably, the number of support shafts 402 is selected from 3-6, preferably 4,
preferably, the cylindrical cam formed by the upper cylindrical cam 401 and the lower cylindrical cam 405 can adopt 1,2, 4 and 6 groups of rotationally symmetrical cam grooves which are connected end to end, and can respectively meet 1,2, 4 and 6 stations for processing, preferably 2 groups of rotationally symmetrical cam grooves;
in the invention, the betel nut transferring mechanism 5 comprises a 2-support bearing 512, a rotary cylinder 504, a hollow spline shaft 503, a needle frame 501,4 needle 502, a short shaft 510, a roller 511,2 bearing 505, an end cover 509, a connecting shaft 506, a push rod 507 and a cam roller 508; the 2 support bearings 512 are respectively arranged in the upper cylindrical cam 401 and the lower cylindrical cam 405 on the cylindrical cam mechanism 4, the rotary cylinder 504 is arranged in the 2 support bearings 512, a rotary pair is formed by the rotary cylinder 504 and the cylindrical cams formed by the upper cylindrical cam 401 and the lower cylindrical cam 405, the inner side of the rotary cylinder 504 is provided with spline grooves, the hollow spline shaft 503 is arranged in the rotary cylinder 504 to form a movable pair, the needle frame 501 is arranged at the upper end of the hollow spline shaft 503 by bolts, 4 needles 502 are respectively fixedly arranged at the four outer ends of the needle frame 501, the short shaft 510 is fixedly connected to the middle part of the hollow spline shaft 503, the roller 511 is hinged to the short shaft 510, the roller 511 is arranged in the cylindrical cam groove formed by the upper cylindrical cam 401 and the lower cylindrical cam 405 to form a cam pair, the 2 bearing 505 is arranged in the lower end of the hollow spline shaft 503, the end cover 509 is fixedly arranged at the lower end of the hollow spline shaft 503 by bolts, the connecting shaft 506 is arranged in the 2 bearing 505, the push rod 507 is fixedly arranged on the connecting shaft 506, the cam roller 508 is hinged to the lower end of the push rod 508, and the cam roller 508 is arranged in the cam groove of the cam 202 to form a cam pair;
preferably, the sliding pair formed by the hollow spline shaft 503 and the rotary cylinder 504 can adopt a linear movement mode such as a guide rail sliding block, and spline fit is preferable in view of the problems such as stress;
the operation method of the cam type rotary betel nut sorting device comprises the following operation steps:
1) The device is in an initial state: the motor drives the spindle 201 to rotate positively, the cam 202 is at a far rest, the needle 502 is at a highest position, the sprocket shaft 301 stops rotating, the clamp 304 with betel nuts is still under the needle 502 with betel nuts to be pricked, the roller 511 is at the uppermost end of the vertical groove in the cam groove, the vertical baffle 403 is in a vertical state, and the inclined baffle 404 is in an inclined state;
2) Seed taking: the cam 202 enters a return stroke, the chain wheel shaft 301 keeps stopping, the vertical baffle 403 keeps in a vertical state, the roller 511 moves downwards in the vertical groove to enable the inclined baffle 404 to rotate anticlockwise to a vertical state against the force of the torsion spring, the roller 511 continues to move downwards to the lowest end of the vertical groove to drive the needle 502 to move downwards to take betel nuts, the seed taking action is completed, and the inclined baffle 404 returns to an initial inclined state under the restoring force of the torsion spring;
3) Seed lifting: after the cam 202 enters near rest and the clamping jaw of the clamp 304 loosens betel nuts, the cam 202 enters pushing stroke, the chain wheel shaft 301 keeps stopping, the vertical baffle 403 keeps vertical, the inclined baffle 404 keeps inclined, the roller 511 moves up to the inclined baffle 404 along the vertical groove, so that the needle 502 moves up to bring betel nuts away from the clamp 304, and the seed lifting action is completed;
4) Indexing: the cam 202 keeps pushing stroke, the chain wheel shaft 301 keeps stopping rotating, the vertical baffle 403 keeps vertical, the inclined baffle 404 keeps inclined, under the action of the inclined baffle 404, the roller 511 enters the rotary cam groove from the vertical cam groove, so that the needle 502 carries betel nuts to rotate 180 degrees and move upwards until the roller 511 reaches the vertical baffle 403, and the indexing action is completed;
5) And (3) returning: the sprocket shaft 301 rotates forward, after driving the clamp 304 with betel nut to move forward by one station, the sprocket shaft 301 stops rotating, meanwhile, the cam 202 keeps pushing stroke, the inclined baffle 404 keeps inclined state, the roller 511 makes the vertical baffle 403 rotate clockwise against the torsion spring force, the roller 511 enters the vertical cam groove along the rotating cam groove and moves upwards along the vertical cam groove to reach the highest position, 2 needles 502 carrying betel nuts arrive at the sorting station for sorting, meanwhile, 2 needles arrive right above the clamp 304 with betel nut, the vertical baffle 403 returns to the initial vertical state under the action of the torsion spring restoring force, the cam 202 enters the far rest, and the device returns to the initial position.
Compared with the prior art, the invention has the technical effects that: the invention adopts a double-cam (cylindrical cam and planar cam) device control mechanism to lift and rotate, and utilizes the up-and-down motion of a planar cam pair control mechanism to drive a mechanism on the cylindrical cam pair to rotate, thereby achieving the aim of picking betel nuts on a clamp and transferring the betel nuts to a sorting station for betel nut sorting. The invention of the device can effectively improve the efficiency and quality of the betel nut processing line and realize the last step of the betel nut full-automatic integrated processing production line. The invention has the advantages of simple structure, energy conservation, environmental protection, low processing technology difficulty, simple operation, suitability for various clamp type betel nut processing pipelines and the like.
Drawings
FIG. 1 is a general block diagram of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a block diagram of a rack of the present invention;
fig. 4 is a block diagram of a main driving shaft group of the present invention;
FIG. 5 is a block diagram of a transport mechanism of the present invention;
FIG. 6 is a diagram of the rotating portion of the present invention;
FIG. 7 is a block diagram of a cylindrical cam mechanism of the present invention;
FIG. 8 is a block diagram of a cylindrical cam of the present invention;
fig. 9 is a diagram of betel nut transfer mechanism according to the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings.
According to one embodiment provided by the invention:
the invention relates to a cam type rotating betel nut sorting device, which comprises a frame 1, a driving shaft group 2, a conveying mechanism 3, a cylindrical cam mechanism 4 and a betel nut transferring mechanism 5. The driving shaft group 2 is arranged below the frame 1, the conveying mechanism 3 is arranged on the right side of the frame 1, the cylindrical cam mechanism 4 is arranged in the middle of the frame 1, and the betel nut transfer mechanism 5 is arranged in the cylindrical cam mechanism 4.
In the invention, the frame 1 comprises a welding frame 101,2 main shaft bearing seat 102 and a 2-chain wheel shaft bearing seat 103; the welding frame 101 is a section welding piece, the 2 main shaft bearing with a seat 102 is symmetrically fixed on the lower cross beam of the welding frame 101 by bolts, and the 2 chain wheel bearing with a seat 103 is symmetrically fixed on the upper end of the welding frame 101 by bolts;
in the invention, the driving shaft group 2 comprises a main shaft 201 and a cam 202; the main shaft 201 is arranged in a bearing 102 with a seat of the main shaft 2 on the lower beam of the frame 1, and the cam 202 is fixedly arranged on the main shaft 201 through a pressing block;
in the invention, the conveying mechanism 3 comprises a sprocket shaft 301,2, a sprocket 303,2, a chain 302 and a clamp 304; the chain wheel shaft 301 is arranged in a 2 chain wheel shaft seat bearing 103 at the upper end of the frame 1, the 2 chain wheels 303 are fixedly arranged at two sides of the chain wheel shaft 301 through pressing blocks, a 2 chain 302 and the 2 chain wheels 303 are matched to form chain transmission, and a clamp 304 is fixedly arranged on the chain through screws;
in the invention, the cylindrical cam mechanism 4 comprises a lower cylindrical cam 405,4 supporting shaft 402, an upper cylindrical cam 401, a 2 vertical baffle 403 and a 2 inclined baffle 404; the lower cylindrical cam 405 is fixedly arranged on a cross beam in the middle of the frame 1 by bolts, the upper cylindrical cam 401 and the lower cylindrical cam 405 are fixedly connected into a whole through a 4 support shaft 402 to form a cylindrical cam, two groups of rotationally symmetrical cam grooves which are connected end to end are arranged on the cylindrical cam, the 2 vertical baffle 403 is hinged at two corners of the lower cylindrical cam 405, the 2 vertical baffle 403 is kept in a vertical state by adopting a torsion spring, the roller can only move from the rotating cam groove to the vertical cam groove to limit the movement of the roller from the vertical cam groove to the rotating cam groove, the 2 inclined baffle 404 is hinged at two corners of the upper cylindrical cam 401, and the 2 inclined baffle 404 is kept in an inclined state by adopting the torsion spring, so that the roller can only move from the vertical cam groove to the rotating cam groove to limit the movement of the roller from the rotating cam groove to the vertical cam groove;
preferably, the number of support shafts 402 is selected from 3-6, preferably 4,
preferably, the function of the 2 vertical baffle 403 and the 2 oblique baffle 404 is to control the rollers moving in the grooves of the cylindrical cams formed by the upper cylindrical cam 401 and the lower cylindrical cam 405 to move according to a prescribed route, the baffle rotation time needs to be matched with the action of the whole mechanism, because the mechanism only needs to rotate towards one direction, the action between the baffle and the cam can be finished by using a torsion spring, preferably, a micro motor or other mechanisms can be used for directly or indirectly controlling the rotation time and the rotation range of the baffle, the movement path of the rollers moving in the grooves can be changed to finish different rotation requirements,
preferably, 1,2 and 4 groups of rotationally symmetrical cam grooves which are connected end to end can be adopted on the cylindrical cam formed by the upper cylindrical cam 401 and the lower cylindrical cam 405, and 1,2 and 4 stations can be respectively met for processing, and preferably 2 groups of rotationally symmetrical cam grooves are adopted;
in the invention, the betel nut transferring mechanism 5 comprises a 2-support bearing 512, a rotary cylinder 504, a hollow spline shaft 503, a needle frame 501,4 needle 502, a short shaft 510, a roller 511,2 bearing 505, an end cover 509, a connecting shaft 506, a push rod 507 and a cam roller 508; the 2 support bearings 512 are respectively arranged in the upper cylindrical cam 401 and the lower cylindrical cam 405 on the cylindrical cam mechanism 4, the rotary cylinder 504 is arranged in the 2 support bearings 512, a rotary pair is formed by the rotary cylinder 504 and the cylindrical cams formed by the upper cylindrical cam 401 and the lower cylindrical cam 405, the inner side of the rotary cylinder 504 is provided with spline grooves, the hollow spline shaft 503 is arranged in the rotary cylinder 504 to form a movable pair, the needle frame 501 is arranged at the upper end of the hollow spline shaft 503 by bolts, 4 needles 502 are respectively fixedly arranged at the four outer ends of the needle frame 501, the short shaft 510 is fixedly connected to the middle part of the hollow spline shaft 503, the roller 511 is hinged to the short shaft 510, the roller 511 is arranged in the cylindrical cam groove formed by the upper cylindrical cam 401 and the lower cylindrical cam 405 to form a cam pair, the 2 bearing 505 is arranged in the lower end of the hollow spline shaft 503, the end cover 509 is fixedly arranged at the lower end of the hollow spline shaft 503 by bolts, the connecting shaft 506 is arranged in the 2 bearing 505, the push rod 507 is fixedly arranged on the connecting shaft 506, the cam roller 508 is hinged to the lower end of the push rod 508, and the cam roller 508 is arranged in the cam groove of the cam 202 to form a cam pair;
preferably, the sliding pair formed by the hollow spline shaft 503 and the rotary cylinder 504 can adopt a linear movement mode such as a guide rail sliding block, and spline fit is preferable in view of the problems such as stress;
the operation method of the cam type rotary betel nut sorting device comprises the following operation steps:
1) The device is in an initial state: the motor drives the spindle 201 to rotate positively, the cam 202 is at a far rest, the needle 502 is at a highest position, the sprocket shaft 301 stops rotating, the clamp 304 with betel nuts is still under the needle 502 with betel nuts to be pricked, the roller 511 is at the uppermost end of the vertical groove in the cam groove, the vertical baffle 403 is in a vertical state, and the inclined baffle 404 is in an inclined state;
2) Seed taking: the cam 202 enters a return stroke, the chain wheel shaft 301 keeps stopping, the vertical baffle 403 keeps in a vertical state, the roller 511 moves downwards in the vertical groove to enable the inclined baffle 404 to rotate anticlockwise to a vertical state against the force of the torsion spring, the roller 511 continues to move downwards to the lowest end of the vertical groove to drive the needle 502 to move downwards to take betel nuts, the seed taking action is completed, and the inclined baffle 404 returns to an initial inclined state under the restoring force of the torsion spring;
3) Seed lifting: after the cam 202 enters near rest and the clamping jaw of the clamp 304 loosens betel nuts, the cam 202 enters pushing stroke, the chain wheel shaft 301 keeps stopping, the vertical baffle 403 keeps vertical, the inclined baffle 404 keeps inclined, the roller 511 moves up to the inclined baffle 404 along the vertical groove, so that the needle 502 moves up to bring betel nuts away from the clamp 304, and the seed lifting action is completed;
4) Indexing: the cam 202 keeps pushing stroke, the chain wheel shaft 301 keeps stopping rotating, the vertical baffle 403 keeps vertical, the inclined baffle 404 keeps inclined, under the action of the inclined baffle 404, the roller 511 enters the rotary cam groove from the vertical cam groove, so that the needle 502 carries betel nuts to rotate 180 degrees and move upwards until the roller 511 reaches the vertical baffle 403, and the indexing action is completed;
5) And (3) returning: the sprocket shaft 301 rotates forward, after driving the clamp 304 with betel nut to move forward by one station, the sprocket shaft 301 stops rotating, meanwhile, the cam 202 keeps pushing stroke, the inclined baffle 404 keeps inclined state, the roller 511 makes the vertical baffle 403 rotate clockwise against the torsion spring force, the roller 511 enters the vertical cam groove along the rotating cam groove and moves upwards along the vertical cam groove to reach the highest position, 2 needles 502 carrying betel nuts arrive at the sorting station for sorting, meanwhile, 2 needles arrive right above the clamp 304 with betel nut, the vertical baffle 403 returns to the initial vertical state under the action of the torsion spring restoring force, the cam 202 enters the far rest, and the device returns to the initial position.

Claims (4)

1. The utility model provides a rotatory betel nut sorting device of cam formula which characterized in that: comprises a frame (1), a driving shaft group (2), a conveying mechanism (3), a cylindrical cam mechanism (4) and an betel nut transfer mechanism (5); the driving shaft group (2) is arranged below the frame (1), the conveying mechanism (3) is arranged on two sides of the upper part of the frame (1), the cylindrical cam mechanism (4) is arranged in the middle of the frame (1), and the betel nut transferring mechanism (5) is arranged in the cylindrical cam mechanism (4);
the frame (1) comprises a welding frame (101), a 2 main shaft bearing with seat (102) and a 2 chain wheel shaft bearing with seat (103); the welding frame (101) adopts a section welding piece, the 2 main shaft bearing with a seat (102) is symmetrically fixed on the lower cross beam of the welding frame (101) by bolts, and the 2 chain wheel shaft bearing with a seat (103) is symmetrically fixed on the upper end of the welding frame (101) by bolts;
the driving shaft group (2) comprises a main shaft (201) and a cam (202); the main shaft (201) is arranged in a bearing (102) with a seat of the main shaft 2 on a lower cross beam of the frame (1), and the cam (202) is fixedly arranged on the main shaft (201) through a pressing block;
the conveying mechanism (3) comprises a sprocket shaft (301), a 2 sprocket (303), a 2 chain (302) and a clamp (304); the chain wheel shaft (301) is arranged in a 2 chain wheel shaft belt seat bearing (103) at the upper end of the frame (1), the 2 chain wheels (303) are fixedly arranged at two sides of the chain wheel shaft (301) through pressing blocks, a 2 chain (302) is matched with the 2 chain wheels (303) to form chain transmission, and the clamp (304) is fixedly arranged on the chain through screws;
the cylindrical cam mechanism (4) comprises a lower cylindrical cam (405), a 4 supporting shaft (402), an upper cylindrical cam (401), a 2 vertical baffle (403) and a 2 inclined baffle (404); the lower cylindrical cam (405) is fixedly arranged on a cross beam in the middle of the frame (1) through bolts, the upper cylindrical cam (401) and the lower cylindrical cam (405) are fixedly connected into a whole through a 4 support shaft (402) to form a cylindrical cam, two groups of rotationally symmetrical cam grooves which are connected end to end are arranged on the cylindrical cam, 2 vertical baffles (403) are hinged at two corners of the lower cylindrical cam (405), the 2 vertical baffles (403) are kept in a vertical state through torsion springs, the rollers can only move from the rotating cam grooves to the vertical cam grooves, the rollers are limited to move from the vertical cam grooves to the rotating cam grooves, 2 inclined baffles (404) are hinged at the two corners of the upper cylindrical cam (401), and the 2 inclined baffles (404) are kept in an inclined state through torsion springs, so that the rollers can only move from the vertical cam grooves to the rotating cam grooves, and the movement from the rotating cam grooves to the vertical cam grooves is limited;
the betel nut transfer mechanism (5) comprises a 2 support bearing (512), a rotary cylinder (504), a hollow spline shaft (503), a needle frame (501), 4 needles (502), a short shaft (510), rollers (511), a 2 bearing (505), an end cover (509), a connecting shaft (506), a push rod (507) and a cam roller (508); the device is characterized in that the 2 support bearings (512) are respectively arranged in an upper cylindrical cam (401) and a lower cylindrical cam (405) on the cylindrical cam mechanism (4), the rotary cylinder (504) is arranged in the 2 support bearings (512), a rotary pair is formed by the rotary cylinder (504) and the cylindrical cams formed by the upper cylindrical cam (401) and the lower cylindrical cam (405), the inner side of the rotary cylinder (504) is provided with spline grooves, the hollow spline shaft (503) is arranged in the rotary cylinder (504) to form a movable pair, the needle frame (501) is arranged at the upper end of the hollow spline shaft (503) by bolts, 4 needles (502) are respectively fixedly arranged at the four outer ends of the needle frame (501), the short shaft (510) is fixedly connected to the middle part of the hollow spline shaft (503), the roller (511) is hinged to the short shaft (510), the roller (511) is arranged in a cylindrical cam groove formed by the upper cylindrical cam (401) and the lower cylindrical cam (405), the 2 bearings (505) are arranged in the lower end of the hollow spline shaft (503), the end cover (509) is fixedly arranged at the lower end of the hollow spline shaft (503), the connecting shaft (506) is fixedly arranged at the lower end of the connecting shaft (506), the connecting shaft (506) is fixedly arranged at the lower end of the push rod (507), and the roller (508) is fixedly connected to the push rod (507) by the cam (506);
a sliding pair formed by matching the hollow spline shaft (503) with the rotary cylinder (504) adopts a guide rail sliding block linear movement mode.
2. The cam type rotary betel nut sorting device according to claim 1, characterized in that: the cylindrical cam formed by the upper cylindrical cam (401) and the lower cylindrical cam (405) adopts 1,2, 4 and 6 groups of rotationally symmetrical cam grooves which are connected end to end, and the processing of 1,2, 4 and 6 stations is respectively satisfied.
3. The cam type rotary betel nut sorting device according to claim 1, characterized in that: the number of the supporting shafts (402) is 3-6.
4. A cam type rotary betel nut sorting device according to any one of claims 1-3, comprising the following steps:
the device is in an initial state: the motor drives the main shaft (201) to rotate positively, the cam (202) is at a far rest state, the needle (502) is at a highest position, the chain wheel shaft (301) stops rotating, the clamp (304) with betel nuts is still under the needle (502) for taking betel nuts, the roller (511) is at the uppermost end of a vertical groove in the cam groove, the vertical baffle (403) is in a vertical state, and the inclined baffle (404) is in an inclined state;
seed taking: the cam (202) enters a return stroke, the chain wheel shaft (301) keeps stopping, the vertical baffle (403) keeps in a vertical state, the roller (511) moves downwards in the vertical groove to enable the inclined baffle (404) to rotate anticlockwise to a vertical state against the force of the torsion spring, the roller (511) continues to move downwards to the lowest end of the vertical groove to drive the needle (502) to move downwards to prick betel nuts, the seed taking action is completed, and the inclined baffle (404) returns to an initial inclined state under the restoring force of the torsion spring;
seed lifting: after the cam (202) enters near rest and the clamping jaw of the clamp (304) loosens betel nuts, the cam (202) enters pushing stroke, the chain wheel shaft (301) keeps stopping, the vertical baffle (403) keeps vertical, the inclined baffle (404) keeps inclined, the roller (511) moves up to the inclined baffle (404) along the vertical groove, the needle (502) moves up to bring betel nuts away from the clamp (304), and the seed lifting action is completed;
indexing: the cam (202) keeps pushing stroke, the chain wheel shaft (301) keeps stopping rotating, the vertical baffle (403) keeps vertical, the inclined baffle (404) keeps inclined, under the action of the inclined baffle (404), the roller (511) enters the rotary cam groove from the vertical cam groove, the needle (502) rotates 180 degrees and moves upwards with betel nuts until the roller (511) reaches the vertical baffle (403), and the indexing action is completed;
and (3) returning: the chain wheel shaft (301) rotates positively to drive the clamp (304) with betel nuts to move forwards by one station, the chain wheel shaft (301) stops rotating, meanwhile, the cam (202) keeps pushing stroke, the inclined baffle (404) keeps inclined, the roller (511) enables the vertical baffle (403) to rotate clockwise against the force of the torsion spring, the roller (511) enters the vertical cam groove along the rotating cam groove and moves upwards along the vertical cam groove to reach the highest position, 2 needles (502) carrying betel nuts arrive at the sorting station to sort, and meanwhile, 2 needles arrive right above the clamp (304) with betel nuts, the vertical baffle (403) returns to the initial vertical state under the action of the restoring force of the torsion spring, the cam (202) enters the far-stop state, and the device returns to the initial position.
CN201910190869.XA 2019-03-14 2019-03-14 Cam-type rotary betel nut sorting device Active CN109820204B (en)

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CN110369288B (en) * 2019-08-16 2024-05-28 湘潭大学 Double-slider type betel nut sorting device
CN118090732B (en) * 2024-04-26 2024-07-02 金石(天津)科技发展有限公司 Double-sided self-adhesive label quality inspection machine and detection method

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CN206631955U (en) * 2017-03-23 2017-11-14 青岛汇通达模具有限公司 A kind of express delivery classification filling device based on vertical swinging express delivery cabinet
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CN104495363A (en) * 2014-10-28 2015-04-08 东莞市龙顺自动化科技有限公司 Reciprocating shifting device
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