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CN-121990383-A - Automatic seedling tray continuous conveying and arranging device and arranging method thereof

CN121990383ACN 121990383 ACN121990383 ACN 121990383ACN-121990383-A

Abstract

The invention discloses an automatic seedling tray continuous conveying and arranging device and an arranging method thereof. The invention discloses a conveying mechanism, which is characterized in that a conveying mechanism is arranged at the front end of a frame, a sliding pair is formed by a support frame and the frame in a switching mechanism, a sliding pair in the vertical direction is formed by a U-shaped switching disc and the support frame, the conveying mechanism is arranged at the output end of the conveying mechanism, two mounting plates in a disc separating mechanism are fixed at the rear end of the frame, two disc separating screws which are vertically arranged are hinged on each mounting plate, two supporting and positioning mechanisms are arranged on the two mounting plates, two chain transmission mechanisms in the supporting and positioning mechanisms are arranged at intervals, two stop blocks which are arranged at intervals are fixed on a chain of each chain transmission mechanism, and a lifting platform in a lifting and bearing mechanism is arranged between the two mounting plates and is driven by a lifting mechanism to lift. The invention can realize continuous tray arranging operation of the seedling tray without stopping machine, and has higher seedling tray arranging efficiency.

Inventors

  • SUN LIANG
  • LI YUNFEI
  • YU GAOHONG
  • CHEN JIANNENG

Assignees

  • 浙江理工大学

Dates

Publication Date
20260508
Application Date
20260304

Claims (10)

  1. 1. The automatic seedling tray continuous conveying and arranging device comprises a frame, a movable chassis and a conveying mechanism, and is characterized by further comprising a switching mechanism, a lifting bearing mechanism, a tray separating mechanism, a supporting and positioning mechanism and a tray arranging mechanism, wherein the frame is driven to move by the movable chassis; The switching mechanism comprises a support frame, a U-shaped switching disc, an electric push rod and a jacking cylinder; the support frame and the frame form a sliding pair parallel to the advancing direction of the frame, and two ends of the electric push rod are hinged with the frame and the support frame; the lifting bearing mechanism is arranged at the rear end of the frame and consists of a lifting platform and a lifting mechanism, and the lifting mechanism drives the lifting platform which is horizontally arranged to lift; The tray dividing mechanism comprises mounting plates, tray dividing screws and a first driving assembly, wherein two vertical and spaced mounting plates are fixed at the rear end of a frame and are perpendicular to the advancing direction of the frame, two vertical and spaced tray dividing screws are hinged to one adjacent surfaces of the two mounting plates, the two tray dividing screws on each mounting plate are synchronously driven to rotate by the first driving assembly, the top ends of the mounting plates close to the front end of the frame are positioned in the middle of the mounting plates far from the front end of the frame, the four tray dividing screws are arranged in a rectangular array, a lifting receiving mechanism is positioned in the four tray dividing screws, an infrared displacement sensor is arranged on one mounting plate, supporting and positioning mechanisms are arranged on the adjacent surfaces of the two mounting plates, each supporting and positioning mechanism comprises a stop block and a first chain transmission mechanism, two spaced chain transmission mechanisms are arranged on the outer sides of the corresponding two tray dividing screws and are synchronously driven by the second driving assembly, and two stop blocks arranged at intervals are fixed on a chain of the first chain transmission mechanism; The swing disc mechanism comprises a sloping plate and a first belt transmission mechanism, wherein the upper end of the sloping plate is hinged with the rear end of the frame, the lower end of the sloping plate is hinged with two auxiliary wheels which are arranged at intervals, the first belt transmission mechanism is provided with two belt transmission mechanisms which are arranged at intervals, the input end of the first belt transmission mechanism is arranged on the frame and is positioned below each split disc screw, the output end of the first belt transmission mechanism is positioned at the sloping plate, the first belt transmission mechanism is driven by a driving component in a three-synchronous mode, the interval between the first belt transmission mechanisms is smaller than the interval between the two split disc screws on each mounting plate, and the lifting bearing mechanism is positioned between the first belt transmission mechanisms.
  2. 2. The automated seedling tray continuous conveying swing tray device of claim 1, wherein the conveying mechanism comprises two belt transmission mechanisms II which are arranged in parallel and at intervals, the conveying direction of the belt transmission mechanisms II is horizontal and parallel to the advancing direction of the frame, and the two belt transmission mechanisms II are synchronously driven by a driving component IV.
  3. 3. The automatic seedling tray continuous conveying swing tray device according to claim 2, wherein the driving assembly IV comprises a first transmission shaft, a second chain transmission mechanism and a first driving motor, the first transmission shaft is horizontally and vertically arranged in the advancing direction of the frame and forms a revolute pair with the frame, a shell of the first driving motor is fixed with the frame, an output shaft of the first driving motor is connected with the middle part of the first transmission shaft through the second chain transmission mechanism, and two ends of the first transmission shaft are fixed with driving pulleys of the second belt transmission mechanism.
  4. 4. The automatic seedling tray continuous conveying swing tray device of claim 1, wherein the first driving assembly comprises a third chain transmission mechanism, a second transmission shaft, a fourth chain transmission mechanism and a second driving motor, two vertically and alternately arranged transmission shafts and corresponding mounting plates form a revolute pair, the driving shafts are connected through the third chain transmission mechanism, a shell of the second driving motor is fixed on the corresponding mounting plates, an output shaft of the second driving motor is connected with one of the second transmission shafts through the fourth chain transmission mechanism, and the two transmission shafts and the two split tray screws are coaxially fixed respectively.
  5. 5. The automatic seedling tray continuous conveying swing tray device according to claim 1, wherein the driving assembly II comprises a transmission shaft III, a chain transmission mechanism IV and a driving motor III, the transmission shaft III and a corresponding mounting plate which are horizontal and vertical to the advancing direction of the frame form a revolute pair, a shell of the driving motor III is fixed on the corresponding mounting plate, an output shaft of the driving motor III is connected with the transmission shaft III through the chain transmission mechanism IV, and two ends of the transmission shaft III are fixed with driving chain wheels of the two chain transmission mechanisms IV.
  6. 6. The automated seedling tray continuous conveying swing tray device according to claim 1, wherein the lifting mechanism is a scissor lift.
  7. 7. The automatic seedling tray continuous conveying swing tray device is characterized in that the first belt transmission mechanism comprises a belt, a second driving pulley, a second driven pulley and a tensioning belt pulley group, the second driving pulley is hinged with a mounting plate close to the front end of the frame, the second driven pulley is hinged with the inclined plate and is connected with the second driving pulley through the belt, the tensioning belt pulley group is arranged between the second driving pulley and the second driven pulley and consists of two tensioning pulleys which are arranged at an upper-lower interval, the two tensioning pulleys are hinged with the frame and tension the belt, a part of the belt between the second driving pulley and the tensioning belt pulley group is horizontally arranged, a part of the belt between the second driving pulley and the tensioning belt pulley group is parallel to the inclined plate, a part of the belt horizontally arranged part of the first belt transmission mechanism is positioned below each tray dividing screw, the lifting receiving mechanism is positioned between horizontally arranged parts of the two belts, and the second driving pulley of the first belt transmission mechanism is synchronously driven by a driving assembly three driving assemblies arranged on the mounting plate close to the front end of the frame.
  8. 8. The automatic seedling tray continuous conveying swing tray device according to claim 7, wherein the driving assembly III comprises a transmission shaft IV and a driving motor IV, the transmission shaft IV is horizontally arranged and perpendicular to the advancing direction of the frame, forms a revolute pair with a corresponding mounting plate and is driven to rotate by the driving motor IV, and two ends of the transmission shaft IV are fixed with driving pulleys II of the two belt transmission mechanisms I.
  9. 9. The method for continuously transporting seedling trays by an automated seedling tray transporting apparatus according to any one of claims 1 to 8, wherein the moving chassis drives the frame to move to the seedling tray arranging area, a stack of seedling trays is placed on the transporting mechanism, in an initial state, the lifting platform is located under the belt of each belt driving mechanism one, one of the stoppers on the chain of the chain driving mechanism one is located at the bottom end of one side of the chain near the mounting plate, and the other stopper is located at the top end of the other side of the chain; The conveying mechanism conveys the seedling stacking tray to two arms of the U-shaped switching tray, the limit switch on the U-shaped switching tray detects the seedling stacking tray, the controller controls the electric push rod to extend, the U-shaped supporting frame is pushed to drive the U-shaped switching tray and the seedling stacking tray to translate to be right above the lifting platform, and the lifting platform is positioned between the two arms of the U-shaped switching tray; then the lifting mechanism drives the lifting platform to rise to a preset height, the lifting platform is positioned between the U-shaped support frame and the U-shaped switching disc, the controller controls the electromagnetic reversing valve to drive the lifting air cylinder to drive the U-shaped switching disc and the seedling stacking disc to descend, the seedling stacking disc is placed on the lifting platform and separated from the U-shaped switching disc, the controller controls the electric push rod to shorten, the U-shaped support frame is pulled to drive the U-shaped switching disc to return to the original position, and the controller controls the electromagnetic reversing valve to drive the lifting air cylinder to drive the U-shaped switching disc to rise to the original position; the controller controls the lifting mechanism to drive the lifting platform to descend to the original position, the lifting platform descends to drive the seedling stacking tray to descend, the outer edge of the seedling stacking tray positioned at the lowest position of the seedling stacking tray is contacted with the upper ends of the helical blades of the tray dividing screws, the seedling stacking tray is placed on the helical blades of the four tray dividing screws, the tray dividing screws are driven to rotate by the driving assemblies, the seedling stacking tray is separated one by the helical blades of the tray dividing screws along with the rotation of the tray dividing screws, the seedling stacking tray is conveyed downwards, the seedling stacking tray is sequentially dropped to the input ends of the two belt transmission mechanisms, the driving assemblies three drive the two belt transmission mechanisms to work, the chassis is driven to advance by the moving chassis, the seedling stacking tray is sequentially conveyed to the ground by the two belt transmission mechanisms, and the seedling stacking tray is sequentially conveyed to the ground along with the advancing of the chassis, each seedling tray is sequentially arranged on the ground; When the infrared displacement sensor detects that the seedling tray height at the highest position on each tray dividing screw reaches a preset height value, each driving assembly II drives each chain transmission mechanism I to work, and each chain transmission mechanism I drives a stop block at the top end to move to the preset height and is positioned above the rest seedling trays on each tray dividing screw; the novel seedling tray stack is placed on the conveying mechanism, the conveying mechanism conveys the novel seedling tray stack to the U-shaped switching tray, the limit switch on the U-shaped switching tray detects the novel seedling tray stack, the controller controls the electric push rod to extend, the U-shaped support frame is pushed to drive the U-shaped switching tray and the novel seedling tray stack to translate to the position right above the lifting platform, the U-shaped switching tray is located between the first chain transmission mechanisms of the support positioning mechanisms, the lifting cylinder drives the U-shaped switching tray to descend, the novel seedling tray stack is placed on a stop block with a preset height and separated from the U-shaped switching tray, the controller controls the electric push rod to shorten, the U-shaped support frame is pulled to drive the U-shaped switching tray to return to the original position, the electromagnetic reversing valve is controlled to drive the lifting cylinder to drive the U-shaped switching tray to ascend to the original position, then the first chain transmission mechanism drives the stop block with the preset height and the novel seedling tray stack to continue to descend at a preset speed, the novel seedling tray stack is placed on the rest of the first chain transmission mechanism on each support positioning mechanism, the first chain transmission mechanism drives the first chain transmission mechanism to descend along with the preset speed of the seedling tray stack to the other side of the corresponding seedling tray stack, and the first chain transmission mechanism drives the first chain transmission mechanism to descend along with the corresponding seedling tray stack to the other side of the stop block to the lowest transmission tray.
  10. 10. The method for arranging the automatic seedling tray continuous conveying arranging device is characterized in that when a plurality of rows of seedling tray arranging devices are needed, arranging a plurality of automatic seedling tray continuous conveying arranging devices to synchronously carry out arranging operation of the seedling trays.

Description

Automatic seedling tray continuous conveying and arranging device and arranging method thereof Technical Field The invention belongs to the technical field of agricultural machinery, and particularly relates to an automatic seedling tray continuous conveying and arranging device and an arranging method thereof. Background In the large-scale seedling raising and transplanting operation, the conveying and feeding of seedling trays are one of the key procedures. The existing seedling tray conveying equipment mostly adopts a single-batch feeding mode, namely, a new seedling tray stack can be added after a stack of seedling trays is completely conveyed, so that operation is interrupted, tray arranging efficiency is low, meanwhile, part of the equipment is lack of a stable supporting structure in the seedling tray arranging process, the problems of seedling tray deviation, toppling and the like are easy to occur, the follow-up tray dividing and transplanting precision is affected, and in addition, the traditional tray dividing mechanism often has the phenomena of incomplete tray dividing, chuck and the like, and the overall operation efficiency is further restricted. Therefore, an automatic seedling tray treatment device capable of realizing continuous feeding, stable tray arrangement and accurate tray separation is needed to solve the defects in the prior art. Disclosure of Invention The invention aims to overcome the defects of the prior art and provides an automatic seedling tray continuous conveying and arranging device and an arranging method thereof. In order to achieve the above purpose, the present invention adopts the following technical scheme: The invention relates to an automatic seedling tray continuous conveying and arranging device which comprises a frame, a movable chassis, a conveying mechanism, a switching mechanism, a lifting bearing mechanism, a tray separating mechanism, a supporting and positioning mechanism and a tray arranging mechanism. The machine frame is driven to move by the movable chassis, and the conveying mechanism is arranged at the front end of the machine frame, and the conveying direction of the conveying mechanism is horizontal and parallel to the advancing direction of the machine frame. The switching mechanism comprises a support frame, a U-shaped switching disc, an electric push rod and a jacking cylinder, wherein the support frame and the frame form a sliding pair parallel to the advancing direction of the frame, two ends of the electric push rod are hinged with the frame and the support frame, the U-shaped switching disc is arranged at the output end of the first two belt transmission mechanisms and is positioned above the support frame, the sliding pair and the support frame form a sliding pair in the vertical direction, the lifting cylinder is arranged vertically to drive the lifting, and a limit switch is arranged on the upper surface of the U-shaped switching disc. The lifting bearing mechanism is arranged at the rear end of the frame and consists of a lifting platform and a lifting mechanism, and the lifting mechanism drives the lifting platform which is horizontally arranged to lift. The disc separating mechanism comprises mounting plates, disc separating screws and a first driving assembly, wherein two vertically and alternately arranged mounting plates are fixed at the rear end of the frame and are perpendicular to the advancing direction of the frame, two vertically and alternately arranged disc separating screws are hinged to one adjacent surface of each of the two mounting plates, the two disc separating screws on each mounting plate are synchronously driven to rotate by the first driving assembly, the top ends of the mounting plates close to the front end of the frame are positioned in the middle of the mounting plates far away from the front end of the frame, the four disc separating screws are arranged in a rectangular array, the lifting bearing mechanism is positioned in the four disc separating screws, and one mounting plate is provided with an infrared displacement sensor. The two mounting plates are respectively provided with a supporting and positioning mechanism on one surface adjacent to each other, each supporting and positioning mechanism comprises a stop block and a first chain transmission mechanism, the first chain transmission mechanisms are arranged at intervals, the first chain transmission mechanisms are positioned on the outer sides of the corresponding two disc separating screws and are synchronously driven by a second driving assembly, and two stop blocks arranged at intervals are fixed on a chain of the first chain transmission mechanism. The swing disc mechanism comprises a sloping plate and a first belt transmission mechanism, wherein the upper end of the sloping plate is hinged with the rear end of the frame, the lower end of the sloping plate is hinged with two auxiliary wheels which are arranged at intervals, the first belt transmis