CN113940214A - Seedling raising tray feeding device with forced tray separating function - Google Patents

Seedling raising tray feeding device with forced tray separating function Download PDF

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Publication number
CN113940214A
CN113940214A CN202111126689.9A CN202111126689A CN113940214A CN 113940214 A CN113940214 A CN 113940214A CN 202111126689 A CN202111126689 A CN 202111126689A CN 113940214 A CN113940214 A CN 113940214A
Authority
CN
China
Prior art keywords
chassis
tray
piece
poking
supporting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111126689.9A
Other languages
Chinese (zh)
Inventor
向镜
徐一成
陈惠哲
张玉屏
张义凯
王亚粱
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China National Rice Research Institute
Original Assignee
China National Rice Research Institute
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China National Rice Research Institute filed Critical China National Rice Research Institute
Priority to CN202111126689.9A priority Critical patent/CN113940214A/en
Publication of CN113940214A publication Critical patent/CN113940214A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/08Devices for filling-up flower-pots or pots for seedlings; Devices for setting plants or seeds in pots
    • A01G9/085Devices for setting seeds in pots
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C7/00Sowing
    • A01C7/20Parts of seeders for conducting and depositing seed
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/08Devices for filling-up flower-pots or pots for seedlings; Devices for setting plants or seeds in pots
    • A01G9/088Handling or transferring pots

Abstract

The invention relates to a seedling raising tray feeding device with a forced tray separating function, and belongs to the technical field of seedling raising and seeding. The seedling tray feeding device comprises a frame, a tray bin, a chassis supporting unit, a residual tray supporting unit, a chassis pull-off mechanism and a pull-off trigger mechanism; the chassis poking-away mechanism comprises an elastic reset mechanism and a chassis poking-away piece; the chassis shifting-away piece enters the residual disc bearing position along with the residual disc bearing piece and extends into the space between the outer convex edge of the chassis and the outer convex edge of the secondary chassis; the elastic restoring force of the elastic resetting mechanism is used for forcing the chassis poking-off piece to swing upwards and reset to a position deviating from the outer convex edge of the chassis; and the poking-off trigger mechanism pushes the chassis poking-off piece to overcome the elastic restoring force in the process of retreating from the chassis bearing position to the chassis releasing position along with the chassis bearing piece, so that the chassis poking-off piece swings downwards to press the convex edge of the chassis downwards to separate the chassis forcibly. The device is convenient for the forced separation of the tray supply process to the chassis, and can be widely used in seedling raising and seeding operations.

Description

Seedling raising tray feeding device with forced tray separating function
Technical Field
The invention relates to the field of seedling raising and seeding equipment, in particular to a seedling raising tray supply device with a forced tray separating function.
Background
In the process of mechanized seedling raising and seeding of rice, the operations of filling soil, seeding, spraying water and covering soil are generally required to be carried out on a seedling raising tray which continuously runs on a seeding production line, and in the process, the seedling raising tray is continuously provided for the seeding production line through a tray supply device.
In order to continuously provide seedling raising trays to a seeding production line, patent document with the application and publication number of CN108529247A of the applicant discloses a seedling raising tray feeding device, which specifically comprises a control unit, a frame, a tray bin, a seedling tray conveying unit 4 and a tray feeding unit, wherein the tray bin is mounted on the frame, as shown in fig. 1 to 5 of the patent document; the bin tray is composed of four angular guide frames 7, is used for keeping a plurality of seedling raising trays which are stacked and arranged, and performs limiting and guiding on the falling action of the seedling raising trays; the seedling tray supplying unit is controlled by the control unit to supply seedling trays one by one to the seedling tray conveying unit arranged on the lower side of the seedling tray supplying unit in sequence; in order to supply the seedling raising trays to the seedling tray conveying unit one by one in sequence, the tray supply unit is configured to comprise a chassis support unit 3 for supporting all the stacked seedling raising trays from the chassis and a residual tray support unit 2 for supporting and connecting the residual seedling raising trays after the chassis is released.
The above disk supply device is in operation: (1) firstly, controlling the tray supporting and placing units 3 to be in a tray receiving state, and then controlling the remaining tray supporting and placing units 2 to release the seedling raising trays which are supported and placed in a stacked state until all the seedling raising trays fall down and are supported and placed by the tray supporting and placing units 3; (2) the remaining tray supporting and connecting unit 2 is controlled to support and connect the secondary chassis on the chassis, and then the chassis supporting and placing unit 3 is controlled to release the support of the chassis, so that the chassis is forced to fall to the seedling tray conveying unit 4 by the gravity of the chassis and is conveyed to the seeding production line by the seedling tray conveying unit 4. Continuously repeating the steps (1) and (2) to continuously provide the seedling raising tray for the seeding production line.
In the continuous disk supplying process, the problem that the chassis is adhered to the secondary chassis due to the error of the overall dimension of the disk or the deformation in the using process exists, and the continuous operation of the seeding operation is ensured in order to avoid the problem of the chuck; in the above patent document, the applicant modifies the structure of the residual disk tray unit to divide the chassis and the sub chassis into separate disks, as shown in fig. 3 of the above patent document, specifically, a separating assembly 21 is disposed on the residual disk tray unit 2, the separating assembly 21 includes a push rod 26 having a conical top end and a compression 28 sleeved outside the push rod 26, and the elastic restoring force of the compression spring 28 is used to force the push rod 26 to elastically extend and retract along the axial direction, so that during the working process, the push rod 26 is forced to push outwards by the elastic restoring force of the compression spring 28, and the chassis is forced to separate from the sub chassis by the conical top end thereof. After the residual tray placing unit is modified, a mechanism capable of separating the chassis is provided, but the following problems still exist in the separation mechanism in the working process: the chassis with the adhesion can not be separated according to the preset time, so that the problem of chassis falling delay exists, and the problem that the chassis can not be forcibly separated sometimes also exists.
Disclosure of Invention
The invention mainly aims to provide a seedling raising tray feeding tray device with an improved structure, which has the function of forcibly separating a chassis to ensure that the chassis can be separated, and the separation process is controlled by a chassis supporting unit, so that the falling time interval of the chassis can be controlled more accurately.
In order to realize the main purpose, the seedling raising tray feeding device provided by the invention has a forced tray separating function; the seedling tray feeding device comprises a control unit, a frame, a tray bin, a chassis supporting unit and a residual tray supporting unit, wherein the tray bin, the chassis supporting unit and the residual tray supporting unit are arranged on the frame; the tray bin is used for containing the stacked seedling raising tray groups, and the chassis supporting unit is positioned on the lower side of the rest tray supporting unit; the chassis supporting unit comprises a chassis supporting piece and a first driving unit, and the first driving unit is used for driving the chassis supporting piece to reciprocate between a chassis supporting position and a chassis releasing position; the residual tray supporting unit comprises a residual tray supporting piece and a second driving unit, and the second driving unit is used for driving the residual tray supporting piece to reciprocate between a residual tray supporting position and a residual tray releasing position; the seedling tray feeding device comprises a chassis shifting mechanism arranged on a rotor of the second driving unit and a shifting trigger mechanism arranged on the rotor of the first driving unit, wherein the chassis shifting mechanism comprises an elastic reset mechanism and a chassis shifting piece arranged on the rotor of the second driving unit in a swinging manner; when the seedling raising tray group is supported on the chassis supporting part, the swinging end part of the chassis shifting-away part enters the residual tray supporting position along with the residual tray supporting part and extends into a position between the outer convex edge of the chassis of the seedling raising tray group and the outer convex edge of the secondary chassis; the elastic restoring force of the elastic restoring mechanism is used for forcing the swinging end part to swing upwards and restore to a position deviating from the outer convex edge of the chassis; when the rest tray supporting piece is located at the rest tray supporting position, the poking-off triggering mechanism pushes the chassis poking-off piece to overcome the elastic restoring force in the process of retreating from the chassis supporting position to the chassis releasing position along with the chassis supporting piece, so that the swinging end part swings downwards to press the outer convex edge of the chassis downwards.
In the technical scheme, in the working process of the seedling tray feeding device, (1) the tray supporting and placing units are controlled to be in a tray receiving state, then the remaining tray supporting and placing units are controlled to release the seedling trays which are supported and placed in a stacked state, and all the seedling trays fall down and are supported and placed by the tray supporting and placing units; (2) the remaining tray supporting unit is controlled to support and connect the secondary chassis positioned on the adjacent upper side of the chassis, and at the moment, the swinging end part of the chassis shifting-away part enters a remaining tray supporting position along with the remaining tray supporting part and extends into a position between the outer convex edge of the chassis and the outer convex edge of the secondary chassis; and then the chassis supporting unit is controlled to release the support of the chassis, so that the poking and separating trigger mechanism retreats from the chassis supporting position to the chassis releasing position along with the chassis supporting part, and in the process, the chassis poking and separating part positioned at the rest of the chassis supporting position is contacted and pushed, so that the chassis poking and separating part overcomes the elastic restoring force of a return spring, the swinging end part of the chassis poking and separating part swings downwards, the convex edge of the chassis adhered to the secondary chassis is pressed downwards, and the chassis which is in the adhered state and cannot fall freely is forcibly separated from the secondary chassis, so that the chassis can be separated, and the separation process is controlled by the chassis supporting unit, so that the falling time interval of the chassis can be controlled more accurately. Continuously repeating the steps (1) and (2) to continuously provide the seedling raising tray for the seeding production line.
The first driving unit is a first linear displacement output device and is used for driving the chassis supporting piece to transversely translate between a chassis supporting position and a chassis releasing position in a reciprocating mode. The technical scheme is convenient for realizing the supporting and placing actions and controlling the equipment.
More specifically, the second driving unit is a second linear displacement output device and is used for driving the residual tray piece to transversely reciprocate between the residual tray position and the residual tray release position. The technical scheme is used for facilitating the realization of the holding and placing action and the control of the equipment, and can effectively reduce the space interference of the equipment in the action process.
The further scheme is that the chassis bearing piece is a flat plate fixedly arranged on a rotor of the first linear displacement output device, and the normal direction of the surface of the flat plate is vertically arranged; the shifting-away triggering mechanism is a lug structure fixed on a rotor of the first linear displacement output device, and the lug structure is upwards raised relative to the surface of the flat plate; the chassis poking-off piece comprises a poking piece part and a pushed part which extend outwards from the swinging shaft of the chassis poking-off piece and are mutually clamped into a right angle, and the end part of the poking piece part forms a swinging end part; when the chassis poking-off piece is not pushed by the poking-off trigger mechanism, the poking piece part extends inwards from the swinging shaft along the transverse direction, the pushed part extends downwards from the swinging shaft along the vertical direction, and the end part of the pushed part is positioned on a traveling path of the lug structure in the process of retreating from the chassis bearing position to the chassis releasing position along with the chassis bearing piece. The technical scheme can effectively simplify the structure of the equipment and is convenient for realizing the forced separation function.
The first driving unit is a first linear displacement output device and is used for driving the chassis bearing piece to transversely translate back and forth between a chassis bearing position and a chassis releasing position; the shifting-away triggering mechanism is a lug structure fixed on a rotor of the first linear displacement output device, and the lug structure is arranged in a protruding manner relative to the disc bearing surface of the chassis bearing piece; when the chassis poking-off piece is not pushed by the poking-off triggering mechanism, the chassis poking-off piece is provided with a pushed part which extends downwards, and the end part of the pushed part is positioned on a traveling path of the lug structure in the process of retreating from the chassis bearing position to the chassis releasing position along with the chassis bearing piece. The technical scheme can effectively simplify the structure of the equipment and is convenient for realizing the forced separation function.
The preferred scheme is that the pushed part comprises an ejector rod and a swing arm part fixedly connected with the base part of a rotating shaft hole of the chassis poking-off piece; the ejector rod is arranged on the swing arm part, and the length of the ejector rod, which is positioned on one side of the swing arm part adjacent to the swing end part, is adjustable; and in the process that the chassis supporting part retreats from the chassis supporting position to the chassis releasing position, the outer end part of the rod part of the ejector rod, which is positioned on one side of the swing arm part adjacent to the swing end part, always points to the seedling raising disk group. This technical scheme can be convenient for adjust the position of ejector pin tip according to the structure of sprout cultivation dish to adjust control the opportunity of forcing the dish to divide better.
The specific scheme is that the chassis poking-off piece comprises a swinging component and a top rod; the swinging component comprises a rotating shaft hole base part provided with a shaft hole for the rotating shaft to pass through, a shifting sheet part arranged by extending the rotating shaft hole base part along the shaft hole in the radial direction, and a swinging arm part arranged by extending the rotating shaft hole part along the shaft hole in the radial direction; the ejector rod is arranged on the swing arm part, and the length of the ejector rod, which is positioned on one side of the swing arm part adjacent to the swing end part, is adjustable; the axial direction of the ejector rod is arranged along the length extending direction of the plectrum part. The technical scheme can effectively simplify the structure of the equipment and is convenient for realizing the forced separation function.
The preferred scheme is that the elastic reset mechanism is a reset torsion spring, a spring ring of the reset torsion spring is sleeved on a swinging shaft of the chassis poking-off piece, and a torsion arm of the reset torsion spring is pressed against or buckled on the chassis poking-off piece; the other torsion arm of the reset torsion spring is pressed against or buckled on the rotor, or the other torsion arm of the reset torsion spring is pressed against or buckled on the residual disc bearing piece. The technical scheme can effectively simplify the structure and cost of the elastic reset mechanism, and is convenient for arrangement of parts on equipment.
The preferable proposal is that the excess tray supporting piece comprises triangular reinforcing plates arranged along the vertical direction at two sides and a shifting plate arranged along the horizontal direction; the triangular reinforcing plates on the two sides and the shifting plate form a U-shaped groove structure with a downward opening; and the acute angle parts of the triangular reinforcing plates on the two sides point to the swinging end part, the triangular reinforcing plates on the two sides are provided with rotating shaft mounting holes, and the rotating shaft of the chassis shifting-away piece is sleeved on the rotating shaft mounting holes in a supporting manner. The technical scheme can effectively improve the integration level of the remaining plate holding unit and the chassis poking-off mechanism, and can protect the chassis poking-off mechanism by using the remaining plate holding piece.
The preferable scheme is that the chassis bearing parts on the two sides of the disk bin are symmetrically arranged, and the rest disk bearing parts on the two sides of the disk bin are symmetrically arranged. The technical scheme can effectively improve the stability of the tray placing action of the seedling raising tray.
The preferable proposal is that a seedling tray conveying unit is arranged on the frame and is positioned at the lower side of the rest tray supporting unit. This technical scheme can utilize seedling dish conveying unit to provide the sprout cultivation dish to the seeding production line, and better with the adaptation of different production lines.
The preferred scheme is that in the process that the chassis bearing part retreats from the chassis bearing position to the chassis releasing position, when or after the chassis bearing part is separated from the chassis, the poking-off triggering mechanism is contacted with the chassis poking-off part and pushes the chassis poking-off part.
The preferred scheme is that in the process that the chassis bearing part retreats from the chassis bearing position to the chassis releasing position, before the chassis bearing part is separated from the chassis, the poking-off trigger mechanism is in contact with the chassis poking-off part and pushes the chassis poking-off part against the chassis poking-off part, and when the chassis bearing part is separated from the chassis, the vertical distance between the swinging end part and the bearing position of the chassis bearing part is a fixed value, and the fixed value is the height of one seedling raising tray.
Drawings
FIG. 1 is a perspective view of a tray supply device of a seedling raising tray according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a tray set supporting on a chassis supporting unit according to an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2;
FIG. 4 is a structural diagram of a chassis supporting unit and a poking-off triggering mechanism in the embodiment of the invention;
FIG. 5 is a structural diagram of a remaining tray holding unit and a chassis separating mechanism in the embodiment of the present invention;
FIG. 6 is a view of the mounting connection structure of the chassis separating member, the return torsion spring and the remaining tray supporting member in the embodiment of the present invention;
FIG. 7 is a view showing the mounting connection structure of the chassis detaching member, the return torsion spring, the tray supporting member and the rotating shaft according to the embodiment of the present invention;
FIG. 8 is a schematic view of a stacking structure of the seedling tray set according to the embodiment of the present invention;
fig. 9 is a process intention of the chassis being released by the chassis supporting unit, the remaining seedling raising tray groups being supported by the remaining tray supporting unit, and the chassis peeling mechanism peeling the chassis in the embodiment of the present invention;
FIG. 10 is an enlarged view of a portion of the structure of FIG. 9;
FIG. 11 is a schematic view of the process of the chassis falling by gravity on the conveyor belt in the embodiment of the present invention.
Detailed Description
The invention is further illustrated by the following examples and figures.
The main idea of the invention is to improve the structure of the existing seedling tray feeding device, in particular to improve the structure of the chassis separating mechanism, so that the improved chassis separating mechanism has a forced driving plate function, and the driving plate function is controlled in the releasing process of the chassis supporting unit to the chassis, namely, the releasing and the forced separating of the chassis are coupled together in sequence, thereby being convenient for more accurately controlling the falling time interval of the chassis.
Example 1
Referring to fig. 1 to 11, the seedling raising tray feeding device 1 of the present invention includes a control unit 13, a frame 10, and a tray bin, a chassis holding unit 2, a remaining tray holding unit 3, a seedling tray conveying unit 12, a chassis separating mechanism 4, and a separating trigger mechanism 5 mounted on the frame 10. The control unit 13 is fixedly mounted on the frame 10, and is used for receiving a detection signal output by the sensor, and controlling the chassis holding unit 2, the seedling tray conveying unit 12 and the residual tray holding unit 3 to work according to a preset program, and the control unit specifically comprises a processor and a memory, and executes a computer program stored in the memory in the working process, controls the chassis holding unit 2, the seedling tray conveying unit 12 and the residual tray holding unit 3 to execute corresponding actions in sequence, and continuously provides a seedling tray for a seeding production line; more than one bottom tray holding unit 2 and more than one residual tray holding unit 3 are symmetrically arranged on two sides of the bin tray.
As for the specific structure of the frame 10, various support structures can be used for construction, and in this embodiment, the frame is composed of two side frames which are symmetrical along the central axis plane. For the specific structure of the seedling tray conveying unit 12, a multi-shaft manipulator or the like can be adopted for construction, while in the embodiment, a conveyor belt is adopted for construction so as to reduce the equipment cost, the seedling tray conveying unit 12 specifically comprises two parallel conveyor belts and a rotary driving motor for driving the two conveyor belts to synchronously travel at a constant speed, and the distance width of the two belts is smaller than the width of the seedling tray. The specific structure of the tray bin can adopt a box body structure and the like, and specifically adopts four angular guide frames 11 fixed on the rack 10 to form the tray bin for keeping the stacked seedling trays 01 and performing limiting guide on the falling action of each seedling tray. As shown in fig. 8, the seedling tray group 01 is formed by vertically stacking a plurality of seedling trays, and has a bottom tray 02 and a sub-bottom tray 03 located on the adjacent upper side of the bottom tray 02.
The tray holding unit 2 and the remaining tray holding unit 3 together constitute a tray supply unit in the present embodiment, which supplies the seedling trays one by one in sequence to the seedling tray transfer unit 12 arranged on the lower side thereof under the control of the control unit. The specific functions of the tray holding unit 2 and the remaining tray holding unit 3 are as follows: the chassis supporting unit 2 is used for supporting and releasing the stacked seedling raising tray groups 01 from the bottom side, specifically supporting the chassis 02 from the bottom side, so as to support the whole seedling raising tray group 01; the remaining tray supporting unit 3 is used for supporting and connecting the remaining seedling raising tray groups after the chassis is released from the bottom side, specifically for supporting the secondary chassis 03 from the outer convex edge 030, so as to support and support the remaining seedling raising tray groups after the chassis 02 falls; therefore, in position, the chassis supporting unit 2 is positioned below the remaining tray supporting unit 3, and the tray supplying units are arranged at the position corresponding to the tray bin, usually at the tray falling bin opening of the tray bin, or above the tray falling bin opening, and can be arranged according to the specific structure of the tray bin; for example, by adopting the tray bin structure with the hollowed side surfaces in the embodiment, the tray bin structure can be arranged at the central area of the angular guide frame 11 in height, so that the seedling tray groups accommodated in the upper half bin cavity are released one by one, the lower bin cavity is used for guiding the falling process of the seedling tray, and the distance between the conveying belt and the lower end surface of the angular guide frame 11 is slightly larger than the height of one seedling tray, namely the distance between the conveying belt and the tray falling bin is larger than the height of one seedling tray; for the plate bin with a box-type structure, the plate bin is usually arranged at a plate falling bin opening, and the side wall of the plate bin can be provided with an action for the plate piece to extend in or move out.
As shown in fig. 3 and 4, the chassis supporting unit 2 includes a chassis supporting member 21 and a chassis supporting cylinder 20, the chassis supporting member 21 is specifically formed by an L-shaped plate, and includes a supporting plate portion 210 arranged along the transverse direction and a fixed plate portion 211 bent along the downward direction, the fixed plate portion 211 is fastened on the piston rod 201 of the chassis supporting cylinder 20 through a screw 22, so that during the operation, the chassis supporting cylinder 20 is used for driving the chassis supporting member 21 to translate back and forth between a chassis supporting position and a chassis releasing position along the transverse direction; in this structure, as shown in fig. 2 and 3, the "chassis holding position" is configured as "the chassis holding member 21 is moved horizontally inward to a position where the holding plate portion 210 extends into the lower side of the chassis 02 and supports and lifts it from both sides"; as shown in fig. 9 to 11, the "chassis release position" is configured to "the chassis support member 21 is moved horizontally outward to the side just below where the support plate portion 210 exits the outer convex edge 020 so that the chassis 02 detached from the sub-chassis 03 can freely fall under the action of gravity". In addition, a linear displacement output device composed of an oil cylinder, a linear motor, a rotary motor and a four-bar nut mechanism or a gear rack mechanism can be adopted to drive the chassis bearing part 21 to transversely reciprocate between a chassis bearing position and a chassis releasing position, namely, the chassis bearing cylinder 20 forms the first linear displacement output device in the embodiment, a bearing plate part of the chassis bearing part 21 is a flat plate structure fixedly arranged on a rotor of the first linear displacement output device, and the normal direction of the plate surface of the flat plate is vertically arranged.
As shown in fig. 3 and 4, the triggering mechanism 5 is formed by an inverted J-shaped plate fixedly mounted on the piston rod 201, which is also fixedly mounted on the piston rod 201 together with the chassis support 21 by the screw 22, and is arranged to protrude upward relative to the support plate 210, that is, the triggering mechanism 5 is fixed on the mover of the first linear displacement output device, specifically, a bump structure, and the bump structure is arranged to protrude upward relative to the plate support surface of the chassis support 21.
As shown in fig. 5 and 6, the excess tray holding unit 3 includes an excess tray supporting member 31, an L-shaped connecting plate 33, and an excess tray holding cylinder 30, wherein a vertical plate portion of the L-shaped connecting plate 33 is fastened to a piston rod 301 of the excess tray holding cylinder 30 by a screw 32; the residual tray supporting piece 31 comprises two side triangular reinforcing plates 310 and 311 which are vertically arranged, and a shifting plate 312 which is horizontally arranged; in the installation process, the fixed end part of the shifting plate 312 is fixedly installed on the transverse outer connecting plate part of the L-shaped connecting plate 33 through the matching of the bolts and the installation holes arranged on the shifting plate 312, and the free end part 3120 of the shifting plate 312 extends out to support the secondary chassis 03 in a supporting manner so as to support the seedling raising tray group 01. In the working process, the residual tray supporting cylinder 30 is used for driving the residual tray supporting piece 31 to perform reciprocating translation between the residual tray supporting position and the residual tray releasing position along the horizontal direction; in this structure, as shown in fig. 9 to 11, the "excess tray holding position" is configured to "the excess tray holding member 31 moves horizontally inward until the pulling plate 312 extends into the lower side of the outer convex rim 030, and supports and lifts it from both sides"; as shown in fig. 2 and 3, the "tray release position" is configured to "the tray support 31 moves horizontally outward to the side just below the protruding edge 020 where the pick-up plate 312 exits, and the remaining seedling tray set can freely fall under the action of gravity". In addition, a linear displacement output device formed by an oil cylinder, a linear motor, a rotating motor and a four-bar nut mechanism or a gear rack mechanism can be adopted to drive the residual tray holding piece 31 to perform reciprocating translation between the chassis holding position and the chassis releasing position, namely, the residual tray holding cylinder 30 forms a second linear displacement output device in the embodiment.
As shown in fig. 5 and 6, the chassis detaching mechanism 4 includes a return torsion spring 41, a push rod 42, and a swinging member 40; wherein, the top rod 42 and the swinging component 40 together form the chassis poking-off piece in the embodiment; the swing member 40 includes a rotation shaft hole base portion provided with a shaft hole through which the rotation shaft passes, a paddle portion 401 arranged to extend from the rotation shaft hole base portion in the radial direction of the shaft hole, and a swing arm portion 402 arranged to extend from the rotation shaft hole portion in the radial direction of the shaft hole; in this embodiment, the paddle portion 401 and the swing arm portion 402 together form an L-shaped plate structure, the reinforcing side plates 400 are fixedly connected to both sides of the L-shaped plate structure, and the rotating shaft hole is formed in the reinforcing side plate 400, so that the partial region of the reinforcing side plate 400 forms the rotating shaft hole base. The swing arm 402 is provided with a screw hole, the ejector rod 42 is mounted on the swing arm 402, specifically, the screwing position of the ejector rod in the screw hole is changed by rotating the pushed rod part 421 with external threads, and the length of the pushed rod part 421 of the ejector rod 42, which is located on one side of the swing arm part adjacent to the swing end part, is adjustable, specifically, a locking nut composed of double nuts 423 and 422 is unscrewed.
The coil 44 of the reset torsion spring 41 is sleeved on the swing shaft 408 of the swing member 40, and one torsion arm 31 of the reset torsion spring 41 abuts against the lower surface of the dial plate portion 401, and the other torsion arm 45 abuts against the dial plate 312, and the elastic restoring force thereof is used for forcing the dial plate portion 401 to swing counterclockwise relative to the swing shaft 408 to abut against the dial plate 312, i.e. when the chassis is not acted by an external force from the mechanism 4, the elastic restoring force of the reset torsion spring 41 is an internal force thereof, the dial plate portion 401 is arranged along the horizontal direction, specifically the horizontal direction, and the swing arm portion 402 is arranged along the vertical direction, specifically the vertical direction, so that in this embodiment, the swing arm portion 402 and the dial plate portion 401 are clamped to form a 90-degree included angle, and the extending direction of the push rod portion 421 is arranged parallel to the extending direction of the dial plate portion 401. In addition, the reset torsion spring can also be constructed by adopting elastic reset mechanisms such as tension springs, pressure springs, permanent magnet blocks which are arranged in pairs and arranged oppositely in the same pole, and the like, thereby providing elastic restoring force for resetting of the chassis poking-off piece. In the present embodiment, the jack rod 42 constitutes, together with the swing arm portion 402, a pushed portion in the present embodiment, which is disposed to extend downward when not subjected to an external force of an elastic restoring force.
As shown in fig. 5, 6 and 7, the triangular reinforcing plate 310, the triangular reinforcing plate 311 and the shift plate 312 together form a U-shaped groove structure with a downward opening, the triangular reinforcing plate 310 and the triangular reinforcing plate 311 are correspondingly provided with a rotating shaft mounting hole 3100 and a rotating shaft mounting hole 3110, a bushing 4600 engaged with the swing shaft 46 is sleeved in the two rotating shaft mounting holes, and the chassis shift-out mechanism 4 is easily mounted on the spare disc support 31 by engaging with the swing shaft 46, so that the chassis shift-out mechanism 4 is indirectly mounted on the mover of the second linear displacement output device through the spare disc support 31. That is, in the present embodiment, the triangular reinforcing plate 310 and the triangular reinforcing plate 311 constitute not only a structure for reinforcing the strength of the support structure of the dial plate 312 but also a structure of the shaft hole seat for attaching the swing member 40; in the U-shaped groove structure, the acute angle portions of the triangular reinforcing plate 310 and the triangular reinforcing plate 311 are both directed to the swing end of the dial plate 312.
In the above technical scheme, this sprout cultivation dish supplies dish device 1 in the course of the work, places sprout cultivation dish group 01 that is the state of stacking in the storehouse earlier, and supports on surplus dish bearing unit 3, then: (1) controlling a chassis supporting cylinder 20 to drive a chassis supporting part 21 to move to a chassis supporting position along the transverse direction, so that the chassis supporting unit 2 belongs to a tray receiving state, and then controlling the remaining tray supporting unit 3 to release the seedling raising tray group 01 which is supported and connected by the remaining tray supporting unit in a stacked state until all the seedling raising trays fall down and are supported and connected by the chassis supporting unit 2; (2) the residual tray placing cylinder 30 is controlled to drive the residual tray supporting piece 31 to move to a residual tray supporting position along the transverse direction, so that the residual tray supporting unit 3 supports and connects the secondary chassis 03 positioned on the adjacent upper side of the chassis 02, and at the moment, the swinging end part of the chassis shifting mechanism 4 enters the residual tray supporting position along with the residual tray supporting piece 31 and extends into an edge space 04 between the chassis outer convex edge 020 and the secondary chassis outer convex edge 030; then the chassis supporting cylinder 20 is controlled to drive the chassis supporting piece 21 to move to the chassis releasing position along the transverse direction, so that the chassis supporting unit 2 releases the support to the chassis 02, and the poking-off trigger mechanism 5 retreats from the chassis supporting position to the chassis releasing position along with the chassis supporting part 21, and in the process, the push rods 42 positioned at the rest of the chassis supporting positions are contacted and pushed, and the chassis kick-off member is forced to overcome the elastic restoring force of the restoring torsion spring 41, so that the swinging end part of the chassis kick-off member swings downwards, the outer convex edge 020 of the chassis 02 adhered to the sub-chassis 03 is pressed down to force the chassis which is in the adhered state and can not fall freely to separate from the sub-chassis, and the device state is shown in figures 9 and 10, the chassis can be separated, and the separation process is controlled by the chassis supporting unit, so that the falling time interval of the chassis can be controlled more accurately; finally, in the apparatus state configuration shown in fig. 11, the chassis 02 is moved downward by gravity. Continuously repeating the steps (1) and (2) to continuously provide the seedling raising tray for the seeding production line.
As can be seen from the above working process, in this embodiment, when the chassis separating element is not pushed by the separating trigger 5, the shifting piece portion 312 extends from the swing shaft 408 in the transverse direction to the inside, and the swing arm portion 402 extends from the swing shaft in the vertical direction to the bottom, and the end of the swing arm portion is located on the traveling path of the bump structure 5 in the process of moving back from the chassis supporting position to the chassis releasing position along with the chassis supporting element 21, so that in the process of moving back from the chassis supporting position to the chassis releasing position, the push rod 42 is pushed to force the chassis separating element to swing around the swing shaft 408, and the outer convex edge 020 of the chassis 02 is pressed downward, thereby implementing the forced separation function.
Based on the structure and the equipment control method, when the seedling raising tray feeding device 1 feeds trays to a seedling raising production line, the following working scheme can be set according to actual requirements by adjusting the extension length of the ejector rod 42, and when or after the chassis bearing part 21 is separated from the chassis 02 in the process that the chassis bearing part 21 is retreated from the chassis bearing position to the chassis releasing position, the poking-off trigger mechanism 5 is contacted with and pushes against the chassis poking-off part, so that forced separation treatment is carried out, and at the moment, the forced separation lags behind the releasing action of the chassis. Or by adjusting the extension length of the ejector rod 42, in the process that the chassis bearing part 21 retreats from the chassis bearing position to the chassis releasing position, before the chassis bearing part 21 is separated from the chassis 02, the poking-off trigger mechanism 5 is in contact with the chassis poking-off part and pushes against the chassis poking-off part, and when the chassis bearing part 21 is separated from the chassis 02, the vertical distance between the swinging end part of the chassis poking-off part and the bearing position of the chassis bearing part is a fixed value, and the fixed value is the height of a seedling raising tray, so that the forced separation action is synchronous with the releasing action of the chassis 02.
In the above, the driving actions of the driving units of the excess tray holding unit 3 and the chassis holding unit 2 are not necessarily horizontal movement, but may be driving control in a swinging manner, or one may be horizontal translation, while the other is swinging arrangement, the driving unit is configured to drive the excess tray holding member to reciprocate between the excess tray holding position and the excess tray releasing position, and the driving unit is configured to drive the chassis holding member to reciprocate between the chassis holding position and the chassis releasing position.
In addition, the transfer device may not be provided, but the tray supply device may be disposed at the feed port of the production line, that is, it is not an essential component unit.
In the above embodiment, for the positions of the excess tray holding unit 3 and the chassis holding unit 2, on both sides of the magazine, the chassis bearing members located on both sides of the magazine are symmetrically arranged, and the excess tray bearing members located on both sides of the magazine are symmetrically arranged; in addition, an asymmetrical arrangement is possible, for example two on one side and one on the other side, or a single drive unit on the same side can drive more than two chassis supports 21 or tray supports 31 to reciprocate.

Claims (10)

1. A seedling raising tray feeding device with a forced tray dividing function comprises a rack, and a tray bin, a chassis supporting unit and a remaining tray supporting unit which are arranged on the rack, wherein the tray bin is used for containing stacked seedling raising tray groups, and the chassis supporting unit is positioned on the lower side of the remaining tray supporting unit; the chassis supporting unit comprises a chassis supporting part and a first driving unit, and the first driving unit is used for driving the chassis supporting part to reciprocate between a chassis supporting position and a chassis releasing position; the residual tray supporting unit comprises a residual tray supporting piece and a second driving unit, and the second driving unit is used for driving the residual tray supporting piece to reciprocate between a residual tray supporting position and a residual tray releasing position; the method is characterized in that:
the seedling raising tray feeding device comprises a chassis shifting mechanism arranged on a rotor of the second driving unit and a shifting trigger mechanism arranged on a rotor of the first driving unit, and the chassis shifting mechanism comprises an elastic reset mechanism and a chassis shifting piece arranged on the rotor of the second driving unit in a swinging manner;
when the seedling raising tray group is supported on the chassis supporting part, the swinging end part of the chassis shifting-away part enters the residual tray supporting position along with the residual tray supporting part and extends into a position between the outer convex edge of the chassis and the outer convex edge of the secondary chassis; the elastic restoring force of the elastic restoring mechanism is used for forcing the swinging end part to swing upwards and restore to a position deviating from the outer convex edge of the chassis; and when the residual disc bearing piece is positioned at the residual disc bearing position, the poking-off trigger mechanism pushes the chassis poking-off piece to force the chassis poking-off piece to overcome the elastic restoring force in the process of retreating the chassis bearing piece from the chassis bearing position to the chassis releasing position along with the chassis bearing piece, so that the swinging end part swings downwards to press the convex edge of the chassis downwards.
2. A seedling tray supply tray device according to claim 1, characterized in that:
the first driving unit is a first linear displacement output device and is used for driving the chassis bearing piece to transversely translate back and forth between the chassis bearing position and the chassis releasing position;
the second driving unit is a second linear displacement output device and is used for driving the residual disc bearing piece to transversely translate back and forth between the residual disc bearing position and the residual disc releasing position.
3. A seedling tray supply tray device according to claim 2, characterized in that:
the chassis bearing part is a flat plate fixedly mounted on a rotor of the first linear displacement output device, and the normal direction of the surface of the flat plate is vertically arranged; the poking-off triggering mechanism is a lug structure fixed on a rotor of the first linear displacement output device, and the lug structure protrudes upwards relative to the surface of the flat plate;
the chassis poking-off piece comprises a poking piece part and a pushed part which extend outwards from the swinging shaft of the chassis poking-off piece and are mutually clamped into a right angle, and the end part of the poking piece part forms the swinging end part; when the chassis separating piece is not pushed by the separating trigger mechanism, the separating piece is arranged by extending the swinging shaft inwards in the transverse direction, the pushed part is arranged by extending the swinging shaft downwards in the vertical direction, and the end part of the pushed part is positioned on a traveling path of the bump structure along with the chassis bearing piece in the process of retreating from the chassis bearing position to the chassis release position.
4. A seedling tray supply tray device according to claim 1, characterized in that:
the first driving unit is a first linear displacement output device and is used for driving the chassis bearing piece to transversely translate back and forth between the chassis bearing position and the chassis releasing position; the poking-off triggering mechanism is a lug structure fixed on a rotor of the first linear displacement output device, and the lug structure is arranged in a protruding mode relative to the disc bearing surface of the chassis bearing piece;
when the chassis poking-off piece is not pushed by the poking-off trigger mechanism, the chassis poking-off piece is provided with a pushed part which extends downwards, and the end part of the pushed part is positioned on a traveling path of the lug structure along with the chassis bearing piece in the process of retreating from the chassis bearing position to the chassis releasing position.
5. A seedling tray supply tray device according to claim 3 or 4, characterized in that:
the pushed part comprises an ejector rod and a swing arm part fixedly connected with the base part of the rotating shaft hole of the chassis poking-off piece; the ejector rod is arranged on the swing arm part, and the length of the ejector rod, which is positioned on one side of the swing arm part adjacent to the swing end part, is adjustable; and in the process that the chassis supporting part retreats from the chassis supporting position to the chassis releasing position, the outer end part of the rod part of the ejector rod, which is positioned on one side of the swing arm part adjacent to the swing end part, always points to the seedling raising tray group.
6. A seedling tray supply tray device according to claim 1, characterized in that:
the chassis poking-off piece comprises a swinging component and a top rod; the swing component comprises a rotating shaft hole base part provided with a shaft hole for a rotating shaft to pass through, a shifting sheet part which extends from the rotating shaft hole base part along the shaft hole in the radial direction, and a swing arm part which extends from the rotating shaft hole part along the shaft hole in the radial direction;
the ejector rod is arranged on the swing arm part, and the length of the ejector rod, which is positioned on one side of the swing arm part adjacent to the swing end part, is adjustable; the axial direction of the ejector rod is arranged along the length extending direction parallel to the poking piece part.
7. A tray feeder according to any one of claims 1 to 6, wherein:
the elastic reset mechanism is a reset torsion spring, a spring ring of the reset torsion spring is sleeved on the swinging shaft of the chassis poking-away piece, and a torsion arm of the reset torsion spring is pressed against or buckled on the chassis poking-away piece; and the other torsion arm of the reset torsion spring is pressed against or buckled on the rotor of the second driving unit, or the other torsion arm of the reset torsion spring is pressed against or buckled on the residual disc bearing piece.
8. A tray feeder according to any one of claims 1 to 7, wherein:
the residual disc supporting piece comprises triangular reinforcing plates arranged on two sides along the vertical direction and shifting plates arranged along the transverse direction; the triangular reinforcing plates on the two sides and the shifting plate form a U-shaped groove structure with a downward opening; and the acute angle parts of the triangular reinforcing plates on the two sides point to the swinging end part, the triangular reinforcing plates on the two sides are provided with rotating shaft mounting holes, and the rotating shaft of the chassis shifting part is sleeved on the rotating shaft mounting holes in a supporting manner.
9. A tray feeder according to any one of claims 1 to 8, wherein:
the chassis bearing pieces on the two sides of the disc bin are symmetrically arranged on the two sides of the disc bin, and the residual disc bearing pieces on the two sides of the disc bin are symmetrically arranged;
and a seedling tray conveying unit is arranged on the rack and is positioned at the lower side of the residual tray supporting unit.
10. A seedling tray supply tray device according to any one of claims 1 to 9, characterized in that:
in the process that the chassis bearing piece retreats from the chassis bearing position to the chassis release position, when or after the chassis bearing piece is separated from the chassis, the poking-off trigger mechanism is contacted with the chassis poking-off piece and pushes the chassis poking-off piece; or the like, or, alternatively,
in the process that the chassis bearing piece retreats from the chassis bearing position to the chassis release position, before the chassis bearing piece is separated from the chassis, the poking-off trigger mechanism is in contact with the chassis poking-off piece and pushes against the chassis poking-off piece, and when the chassis bearing piece is separated from the chassis, the vertical distance between the swinging end portion and the bearing position of the chassis bearing piece is a fixed value, and the fixed value is the height of a seedling raising tray.
CN202111126689.9A 2021-09-26 2021-09-26 Seedling raising tray feeding device with forced tray separating function Pending CN113940214A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111126689.9A CN113940214A (en) 2021-09-26 2021-09-26 Seedling raising tray feeding device with forced tray separating function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111126689.9A CN113940214A (en) 2021-09-26 2021-09-26 Seedling raising tray feeding device with forced tray separating function

Publications (1)

Publication Number Publication Date
CN113940214A true CN113940214A (en) 2022-01-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Link
CN (1) CN113940214A (en)

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JPH05124732A (en) * 1991-05-09 1993-05-21 Tateyama Mach Kk Supply and takeout device to/from tray
JPH10218373A (en) * 1997-02-10 1998-08-18 Kubota Corp Seedling cultivating tray separating device
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CN103964215A (en) * 2014-04-23 2014-08-06 浙江理工大学 Seedling tray feeding machine
CN204297697U (en) * 2014-11-05 2015-04-29 深圳安博电子有限公司 Holding tray separating device
CN106241403A (en) * 2016-08-18 2016-12-21 华南农业大学 A kind of electric-controlled type rice seedling disc is automatically for dish machine
CN206375431U (en) * 2017-01-13 2017-08-04 佛山市和旺塑料包装有限公司 A kind of holding tray separating device
CN107182396A (en) * 2017-07-25 2017-09-22 台州市立锦农机有限公司 Automatic seedling disc device and the automatic seedling disc device of utilization supply disk method
CN207608066U (en) * 2017-12-08 2018-07-13 株洲钻石切削刀具股份有限公司 A kind of band forces the charging tray conveying device of separation
CN108529247A (en) * 2018-06-14 2018-09-14 中国水稻研究所 A kind of seedling planting seedling-cultivation plate offer device
CN208700078U (en) * 2018-08-29 2019-04-05 上海阅凡自动化科技有限公司 One kind dividing disc mechanism
CN209601648U (en) * 2019-02-17 2019-11-08 辽宁省农业机械化研究所 A kind of rule device for seedling disk sowing line

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05124732A (en) * 1991-05-09 1993-05-21 Tateyama Mach Kk Supply and takeout device to/from tray
JPH10218373A (en) * 1997-02-10 1998-08-18 Kubota Corp Seedling cultivating tray separating device
JP2003252436A (en) * 2002-03-04 2003-09-10 Seiko Epson Corp Mechanism for separating/stacking stacking tray, tray accommodation device and ic test handler
JP2005022817A (en) * 2003-07-02 2005-01-27 Kanto Seiki Kk Tray changer
JP2005239298A (en) * 2004-02-24 2005-09-08 Star Seiki Co Ltd Food tray separating device
JP2011219163A (en) * 2010-04-02 2011-11-04 Nihon Career Ind Co Ltd Tray supply device
CN103964215A (en) * 2014-04-23 2014-08-06 浙江理工大学 Seedling tray feeding machine
CN204297697U (en) * 2014-11-05 2015-04-29 深圳安博电子有限公司 Holding tray separating device
CN106241403A (en) * 2016-08-18 2016-12-21 华南农业大学 A kind of electric-controlled type rice seedling disc is automatically for dish machine
CN206375431U (en) * 2017-01-13 2017-08-04 佛山市和旺塑料包装有限公司 A kind of holding tray separating device
CN107182396A (en) * 2017-07-25 2017-09-22 台州市立锦农机有限公司 Automatic seedling disc device and the automatic seedling disc device of utilization supply disk method
CN207608066U (en) * 2017-12-08 2018-07-13 株洲钻石切削刀具股份有限公司 A kind of band forces the charging tray conveying device of separation
CN108529247A (en) * 2018-06-14 2018-09-14 中国水稻研究所 A kind of seedling planting seedling-cultivation plate offer device
CN208700078U (en) * 2018-08-29 2019-04-05 上海阅凡自动化科技有限公司 One kind dividing disc mechanism
CN209601648U (en) * 2019-02-17 2019-11-08 辽宁省农业机械化研究所 A kind of rule device for seedling disk sowing line

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