Automatic rice seedling raising tray stacking machine

Abstract

The invention relates to the technical field of rice production, and discloses an automatic rice seedling raising tray stacking machine which comprises a rack, a tray stacking assembly and a sensing assembly. A top frame is fixedly arranged above the machine frame, the guide pieces are fixedly arranged on the inner side of the machine frame, and a conveying belt is arranged between the left and right adjacent guide pieces and used for conveying seedling raising trays. The seedling raising tray stacking device has the following advantages and effects that the operation speed is high, seedling raising trays can be stacked in a matched mode on two stations, the operation time of multi-layer stacking is shortened, and efficiency is improved; the equipment is small in occupied area, simple and durable in structure and capable of being rapidly matched with other processing equipment to form a production line, and the requirement for automatic stacking and conveying of seedling raising trays is met; the response precision is high, seedling raising trays are accurately positioned through the induction assembly when conveyed, the tray stacking assembly rapidly stacks the seedling raising trays, and the stacking effect is rapid, tidy and stable.

Description

Technical Field

[0001] The invention relates to the technical field of rice production, and in particular to an automatic rice seedling tray stacking machine. Background Art

[0002] To grow rice seedlings, you need to put the cultivation soil into the seedling tray first, and then put in various nutrients such as organic fertilizer. In order to improve efficiency, automated equipment is now commonly used to put the cultivation soil and organic fertilizer into the seedling tray. The seedling trays are transported by conveyor belts during these processes; the loaded seedling trays need to be stacked and transported to the cultivation site.

[0003] Traditional stacking methods are often achieved by manpower. Due to the limitations of manual operation, uneven or excessive stacking may cause the seedling trays to collapse, which will not only cause loss of seedlings, but may also cause harm to the operators. Therefore, in order to ensure that the seedling trays are stacked neatly and stably, and to avoid collapse and seedling loss, automatic stacking operations are often performed through stacking machines.

[0004] The existing tray stacking machines often directly stack the seedling trays layer by layer when in use, which takes a long time when stacking high, and it is difficult to improve the stacking efficiency. Summary of the invention

[0005] The invention aims to provide a rice seedling tray automatic stacking machine, which has the effects of accelerating the stacking speed and optimizing the processing efficiency.

[0006] The above technical objectives of the present invention are achieved through the following technical solutions: an automatic rice seedling tray stacking machine, comprising a frame, a tray stacking assembly and a sensing assembly;

[0007] A top frame is fixedly provided above the frame, guide plates are fixedly provided on the inner side of the frame, a conveyor belt is provided between the left and right adjacent guide plates, the conveyor belt is used to convey the seedling raising tray, the stacking tray assembly is installed on the top frame, the stacking tray assembly is provided at least at two intervals along the conveying direction of the conveyor belt, the sensing assembly is provided under each stacking tray assembly, when the seedling raising tray is conveyed, it is automatically stacked by the stacking tray assembly through the sensing assembly, and the stacking tray assemblies at at least two locations cooperate with each other to shorten the operation time of multiple stacking trays.

[0008] The present invention is further configured as follows: the stacking disc assembly includes a protective cover fixed to the outer side of the top frame, a stacking disc plate that can move linearly up and down in the protective cover, a driving assembly that drives the stacking disc plate to move, a matching guide plate adjacent to the guide plate, and a stacking disc frame for applying force to the stack of seedling raising discs.

[0009] By adopting the above technical solution, the driving component can quickly drive the stacking frame to lift and stack the seedling raising trays.

[0010] The present invention is further configured as follows: the driving assembly includes a support frame with both ends fixed to the top frame, a cylinder fixed at the bottom end to the support frame and a connecting frame with the upper surface fixed to the cylinder piston rod, and both ends of the connecting frame are vertically fixed to the stacking plate.

[0011] By adopting the above technical solution, the stacking rack can maintain fast and powerful up and down movement operations.

[0012] The present invention is further configured as follows: the matching guide plate is symmetrically arranged at the left and right ends of the stacking plate, and the matching guide plate includes a mounting plate, a first inclined plate, a guide surface and a second inclined plate which are integrally fixed from left to right in sequence, the mounting plate is fixedly connected to the outer side of the top frame, the guide surface is in sliding contact with the outer side of the seedling raising plate, and the outer end of the second inclined plate is in sliding contact with the stacking plate.

[0013] By adopting the above technical solution, the seedling raising tray can slide into the guide surface along the guide piece and the second inclined plate during transportation.

[0014] The present invention is further configured as follows: a pulley is fixedly mounted on the inner wall of the protective cover, and sliding bars are fixedly mounted on both sides of the stacking plate, and the outer side of the sliding bar slides linearly up and down along the pulley.

[0015] By adopting the above technical solution, the stacked plate can maintain convenient up and down linear sliding, and can also obtain stable front and rear position limitation.

[0016] The present invention is further configured as follows: the stacking frame includes a bottom frame fixed to the bottom end of the stacking plate, a shaft rod rotatably connected to the bottom frame at both ends, a support plate fixedly connected to the shaft rod at the top end, and a torsion spring for helping the shaft rod to rotate and reset.

[0017] By adopting the above technical solution, the shaft rod can be quickly reset after rotation.

[0018] The present invention is further configured as follows: a limiting frame is fixedly disposed on the bottom surface of the bottom frame, and the bottom surface of the supporting piece is in contact with the limiting frame.

[0019] By adopting the above technical solution, the downward rotation of the support piece is limited.

[0020] The present invention is further configured as follows: the induction component comprises a mounting base fixed on the frame and an induction member arranged on the mounting base.

[0021] By adopting the above technical solution, the conveying position of the seedling tray is sensed by the sensing component to facilitate automatic alignment and stacking of the trays.

[0022] The present invention is further configured as follows: the mounting seat comprises a base whose bottom end is fixed to the frame and a fixing frame fixed above the base.

[0023] By adopting the above technical solution, the base and the fixing frame are used to provide installation and use space for the sensing component.

[0024] The present invention is further configured as follows: the sensing component includes a rotating rod rotatably connected to the base at both ends, a sensing frame coaxially fixed to the rotating rod at the bottom end, and a tension spring fixedly connected to the fixing frame and the sensing frame at both ends respectively; an angle sensor is coaxially fixedly provided on the outer side of the rotating rod, and a veneer is integrally provided on the top of the sensing frame.

[0025] By adopting the above technical solution, after the seedling tray is delivered to the right place, it will slide along the veneer and make the induction frame drive the rotating rod to rotate downward.

[0026] The beneficial effects of the present invention are:

[0027] 1. The operation speed is fast, and the seedling trays can be stacked in two stations to shorten the operation time of multi-layer stacking and improve efficiency;

[0028] 2. The equipment occupies a small area, has a simple and durable structure, and can quickly cooperate with other processing equipment to form a production line to meet the needs of automatic stacking and transportation of seedling trays;

[0029] 3. High response accuracy. The seedling tray is accurately positioned by the sensing component during transportation, and the stacking component quickly stacks it. The stacking effect is fast, neat and stable.

[0030] 4. The stacking operation is stable. The stacking rack is driven by the cylinder and quickly cooperates with the seedling tray, so that the seedling tray can be stably aligned for stacking and maintained for transportation, meeting the needs of automatic stacking and reducing the frequency of resuming work due to errors. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0032] Figure 1 A schematic structural diagram of an automatic rice seedling tray stacking machine provided in an embodiment of the present invention;

[0033] Figure 2 It is a structural schematic diagram of a stacked disc assembly in an embodiment of the present invention;

[0034] Figure 3 It is a schematic diagram of the structure of the driving component in an embodiment of the present invention;

[0035] Figure 4 It is a schematic diagram of the structure of the matching guide piece in an embodiment of the present invention;

[0036] Figure 5 A schematic diagram of the structure of a stacking frame in an embodiment of the present invention;

[0037] Figure 6 It is a schematic diagram of the structure of a torsion spring in an embodiment of the present invention;

[0038] Figure 7 Schematic diagram of the structure of the sensing component in an embodiment of the present invention.

[0039] In the figure, 1, frame; 2, stacking plate assembly; 3, sensing assembly; 11, top frame; 12, guide plate; 13, conveyor belt; 14, seedling tray; 21, protective cover; 22, stacking plate; 23, driving assembly; 24, matching guide plate; 25, stacking plate frame; 211, pulley; 221, slide bar; 231, support frame; 232, cylinder; 233, connecting frame; 241, mounting plate; 242, first inclined plate; 243, guide surface; 244, second inclined plate; 251, bottom frame; 252, shaft rod; 253, support plate; 254, torsion spring; 255, limit frame; 31, base; 32, fixed frame; 33, rotating rod; 34, sensing frame; 35, tension spring; 36, rotation angle sensor; 37, veneer. DETAILED DESCRIPTION

[0040] The technical solution of the present invention will be clearly and completely described below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] The embodiment of the present invention specifically provides a rice seedling tray automatic stacking machine, please refer to Figure 1 and Figure 2 , including a frame 1, a stacking disc assembly 2 and an induction assembly 3.

[0042] Among them, a top frame 11 is fixedly provided on the top of the frame 1, a guide piece 12 is fixedly provided on the inner side of the frame 1, and a conveyor belt 13 is provided between the left and right adjacent guide pieces 12. The conveyor belt 13 is used to convey the seedling tray 14. The conveyor belt 13 is an existing common conveying component. The conveyor belt 13 is fixedly provided on the frame 1. After the seedling tray 14 is conveyed by the conveyor belt 13, its left and right sides can slide along the surface of the guide piece 12 to keep the feed aligned for conveying.

[0043] Specifically, the stacking disc assembly 2 is installed on the top frame 11, and the stacking disc assembly 2 is arranged at least at two locations along the conveying direction of the conveyor belt 13. The sensing assembly 3 is arranged under each stacking disc assembly 2. When the seedling tray 14 is conveyed, it is automatically stacked by the stacking disc assembly 2 through the sensing assembly 3. The stacking disc assemblies 2 at at least two locations cooperate with each other to shorten the operation time of multiple stacking discs. When multiple layers are needed, for example, six layers are stacked for conveying, the stacking disc assembly 2 located in the front of the conveying can be made to stack two or three layers first, and then the stacking disc assembly 2 at the rear of the conveying direction can be used to stack the two or three layers of seedling trays 14 to six layers. The front and rear two groups of stacking disc assemblies 2 work synchronously and cooperate with each other to improve the operation efficiency when stacking multiple layers.

[0044] Furthermore, the stacking disc assembly 2 includes a protective cover 21 fixed to the outer side of the top frame 11, a stacking disc plate 22 that can move linearly up and down in the protective cover 21, a driving assembly 23 for driving the stacking disc plate 22 to move, a matching guide plate 24 adjacent to the guide plate 12, and a stacking disc frame 25 for applying force to the stacking of the seedling raising discs 14. When the seedling raising discs 14 are transported by the conveyor belt 13, the outer side slides along the guide plate 12 to the center, and then is sent into the operating range of the stacking disc frame 25 along the matching guide plate 24. After the sensing assembly 3 senses that the seedling raising disc 14 is in place, the driving assembly 23 can quickly drive the stacking disc frame 25 to lift and stack the seedling raising discs 14.

[0045] For details, please refer to Figure 3 The driving assembly 23 includes a support frame 231 whose two ends are fixed to the top frame 11, a cylinder 232 whose bottom end is fixed on the support frame 231, and a connecting frame 233 whose upper surface is fixed to the piston rod of the cylinder 232. The connecting frame 233 is vertically fixed to the stacking plate 22 at both ends, and the cylinder 232 drives the stacking plate 2 to move upward or downward, so that the stacking frame 25 can maintain fast and powerful up and down movement operations.

[0046] Please refer to Figure 4 , the matching guide pieces 24 are symmetrically arranged at the left and right ends of the stacking plate 22. When the outer side of the seedling raising plate 14 slides along the guide piece 12, it can continue to slide in contact with the matching guide piece 24, thereby improving the centering calibration conveying accuracy on the conveyor belt 13;

[0047] During implementation, the matching guide plate 24 includes a mounting plate 241, a first inclined plate 242, a guide surface 243 and a second inclined plate 244 which are fixed integrally from left to right in sequence. The mounting plate 241 is fixedly connected to the outer side of the top frame 11, the guide surface 243 is in sliding contact with the outer side of the seedling raising tray 14, and the outer end of the second inclined plate 244 is in sliding contact with the stacking plate 22. The guide surface 243 and the guide surface of the guide plate 12 are in the same horizontal plane, so that the seedling raising tray 14 can slide into the guide surface 243 along the guide plate 12 and the second inclined plate 244 during transportation to maintain alignment during stacking. At the same time, when the stacking plate 22 moves up and down, its inner side surface can also be limited by the second inclined plate 244, so that the stacking plate 22 can maintain stable up and down sliding use.

[0048] Please refer to Figure 3 A pulley 211 is fixedly installed on the inner wall of the protective cover 21, and slide bars 221 are fixedly set on both sides of the stacking plate 22. The outer side of the slide bar 221 slides up and down along the pulley 211, so that the stacking plate 22 can maintain convenient up and down linear sliding, and at the same time can also obtain a stable front and rear position limit, so that the stacking plate 22 can only move up and down, so as to ensure the stability of the operating force of the stacking frame 25.

[0049] For details, please refer to Figure 5 and Figure 6 The stacking frame 25 includes a bottom frame 251 fixedly arranged at the bottom end of the stacking plate 22, a shaft rod 252 rotatably connected to the bottom frame 251 at both ends, a support piece 253 fixedly connected to the shaft rod 252 at the top, and a torsion spring 254 for helping the shaft rod 252 to rotate and reset. The torsion spring 254 is installed at the outer end of the shaft rod 252 that passes through the bottom frame 251. The relevant installation methods are all existing technologies and are therefore not described in detail, so that the shaft rod 252 can be quickly reset after rotation. The support piece 253 is an overall L-shaped structure, and the end of the support piece 252 close to the conveyor belt 13 falls into the vertical downward projection range of the seedling tray 14. The bottom end of the bottom frame 251 is an open structure to facilitate the active use of the support piece 253 when applying force to the seedling tray 14.

[0050] A limiting frame 255 is fixedly disposed on the bottom surface of the bottom frame 251 , and the bottom surface of the supporting piece 253 is in contact with the limiting frame 255 to limit the downward rotation of the supporting piece 253 .

[0051] By adopting the above technical solution, when the seedling raising tray 14 is sent to the operating range of the stacking tray frame 25 through the sensing component 3, the cylinder 232 can drive the stacking tray 22 to work upward, and the supporting piece 252 can be moved upward to drag the seedling raising tray 14 on the conveyor belt 13 upward. After the next seedling raising tray 14 is delivered to the position, the supporting piece 253 is moved downward under the action of the cylinder 232, and the supporting piece 253 is rotated by the shaft rod 252, so that the supporting piece 253 rotates to the bottom of the edge of the seedling raising tray 14. When there is enough space for reset at the end, the torsion spring 254 can drive the shaft rod 252 and the supporting piece 252 to rotate and reset, and the supporting piece 253 can continue to apply force to the seedling raising tray 14 to quickly lift it upward under the action of the limit frame 255, driving the next seedling raising tray 14 to keep moving upward, thereby achieving the purpose of quick stacking. When the stacked seedling raising tray 14 needs to be further transported, the supporting piece 253 is moved down and kept for a certain interval before moving up, so that the stacked seedling raising tray 14 has enough time to continue to be transported.

[0052] Thus, by the cooperation of at least two stacking racks 25 at the front and rear, the seedling raising trays 14 are quickly stacked into a multiple layer by the front stacking rack 25 and then stacked a second time by the subsequent stacking racks 25 .

[0053] For further information, please refer to Figure 7 The sensing assembly 3 includes a mounting base fixed on the frame 1 and a sensing member arranged on the mounting base, and the sensing member is used to sense the conveying position of the seedling tray 14 to facilitate automatic alignment and stacking of the trays.

[0054] The mounting base includes a base 31 whose bottom end is fixed to the frame 1 and a fixing frame 32 fixed above the base 31 . The base 31 and the fixing frame 32 are used to provide an installation space for the induction component.

[0055] Specifically, the sensing component includes a rotating rod 33 having two ends rotatably connected to the base 31, a sensing frame 34 having a bottom end coaxially fixed to the rotating rod 33, and a tension spring 35 having two ends respectively fixedly connected to the fixing frame 32 and the sensing frame 34. A rotation angle sensor 36 is coaxially fixed to the outer side of the rotating rod 33. A veneer 37 is integrally provided on the top of the sensing frame 34. The top of the sensing frame 34 is in sliding contact with the bottom surface of the conveyed seedling tray 14 through the veneer 37. When the seedling tray 14 is conveyed to the position, it slides along the veneer 37 and causes the sensing frame 34 to drive the rotating rod 33 to rotate downward, so that the rotating frame sensor 36 senses the change in rotation angle, thereby transmitting data to an external controller to operate the stacking rack 25, and the sensing frame 34 is quickly reset through the tension spring 35.

[0056] The control method of the present invention is automatic control through a controller. The control circuit of the controller can be implemented by simple programming by technicians in this field. The provision of power is also common knowledge in this field. The present invention is mainly used to protect mechanical devices, so the present invention will no longer explain the control method and circuit connection in detail.

[0057] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A rice seedling tray automatic stacking machine, characterized by: It comprises a frame (1), a stacking disc assembly (2) and an induction assembly (3); A top frame (11) is fixedly arranged above the frame (1), a guide plate (12) is fixedly arranged inside the frame (1), a conveyor belt (13) is arranged between the left and right adjacent guide plates (12), the conveyor belt (13) is used to convey the seedling raising tray (14), a stacking tray assembly (2) is mounted on the top frame (11), the stacking tray assembly (2) is arranged at least at two intervals along the conveying direction of the conveyor belt (13), a sensing assembly (3) is arranged below each stacking tray assembly (2), when the seedling raising tray (14) is conveyed, the stacking tray assembly (2) is automatically stacked by the stacking tray assembly (2) through the sensing assembly (3), and the stacking tray assemblies (2) at least at two locations cooperate with each other to shorten the operation time of stacking multiple layers.

2. The automatic rice seedling tray stacking machine according to claim 1, characterized in that: The stacking disc assembly (2) comprises a protective cover (21) fixed to the outside of the top frame (11), a stacking disc plate (22) movable in a straight line up and down in the protective cover (21), a driving assembly (23) for driving the stacking disc plate (22) to move, a matching guide plate (24) adjacent to the guide plate (12), and a stacking disc frame (25) for applying force to the stacking of the seedling raising discs (14).

3. The automatic rice seedling tray stacking machine according to claim 2, characterized in that: The driving assembly (23) comprises a support frame (231) whose two ends are fixed to the top frame (11), a cylinder (232) whose bottom end is fixed to the support frame (231), and a connecting frame (233) whose upper surface is fixed to the piston rod of the cylinder (232), and whose two ends are vertically fixed to the stacking plate (22).

4. The automatic rice seedling tray stacking machine according to claim 3, characterized in that: The matching guide piece (24) is symmetrically arranged at the left and right ends of the stacking plate (22), and the matching guide piece (24) comprises a mounting plate (241), a first inclined plate (242), a guide surface (243) and a second inclined plate (244) which are fixed integrally from left to right in sequence, the mounting plate (241) is fixedly connected to the outer side of the top frame (11), the guide surface (243) is in sliding contact with the outer side of the seedling raising plate (14), and the outer end of the second inclined plate (244) is in sliding contact with the stacking plate (22).

5. The automatic rice seedling tray stacking machine according to claim 4, characterized in that: A pulley (211) is fixedly mounted on the inner wall of the protective cover (21), and sliding bars (221) are fixedly mounted on both sides of the stacking plate (22), and the outer sides of the sliding bars (221) slide linearly up and down along the pulley (211).

6. The automatic rice seedling tray stacking machine according to claim 5, characterized in that: The stacking frame (25) comprises a bottom frame (251) fixedly arranged at the bottom end of the stacking plate (22), a shaft (252) rotatably connected to the bottom frame (251) at both ends, a supporting plate (253) fixedly connected to the shaft (252) at the top end, and a torsion spring (254) for helping the shaft (252) to rotate and reset.

7. The automatic rice seedling tray stacking machine according to claim 6, characterized in that: A limiting frame (255) is fixedly disposed on the bottom surface of the bottom frame (251), and the bottom surface of the supporting piece (253) is in contact with the limiting frame (255).

8. The automatic rice seedling tray stacking machine according to claim 7, characterized in that: The induction component (3) comprises a mounting seat fixed on the frame (1) and an induction member arranged on the mounting seat.

9. The automatic rice seedling tray stacking machine according to claim 8, characterized in that: The mounting seat comprises a base (31) whose bottom end is fixed to the frame (1) and a fixing frame (32) fixed above the base (31).

10. The automatic rice seedling tray stacking machine according to claim 9, characterized in that: The sensing component comprises a rotating rod (33) whose two ends are rotatably connected to the base (31), a sensing frame (34) whose bottom end is coaxially fixed to the rotating rod (33), and a tension spring (35) whose two ends are respectively fixedly connected to the fixing frame (32) and the sensing frame (34); a rotation angle sensor (36) is coaxially fixedly arranged on the outer side of the rotating rod (33); and a veneer (37) is integrally arranged on the top of the sensing frame (34).

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