Automatic tray stacking machine for sowing

Abstract

The utility model relates to the technical field of automatic seeding, and discloses an automatic tray stacking machine for seeding, which comprises a rack, two long conveying belts and two short conveying belts are arranged in the rack, and the upper half sections of the short conveying belts are higher than the upper half sections of the long conveying belts; a turnover baffle is arranged on the front side of the short conveying belt. The rack is provided with two sets of lifting hooks arranged in a bilateral symmetry mode, and the lifting hooks are located on the outer side of the short conveying belt. Through mutual cooperation of the long conveying belt, the short conveying belt, the baffles and the lifting hooks, stacking work of the seedling trays can be automatically completed, the stacking efficiency of the seedling trays can be effectively improved, and the labor intensity of workers is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic sowing, in particular to an automatic disc stacking machine for sowing. Background Art

[0002] The core equipment of the factory-based seedling cultivation method is the seedling sowing assembly line. The assembly line operation of the seedling tray can complete the processes of covering the substrate, pressing holes, precision sowing and covering the surface substrate at one time. The seedling trays of the current assembly line sowing operation are transported to the end of the assembly line one by one after sowing. The work of stacking the seedling trays is mainly done manually, which has low efficiency, high labor intensity and high stacking cost. Utility Model Content

[0003] The utility model aims to provide an automatic tray stacking machine for sowing, which can automatically complete the stacking of seedling trays through the cooperation of a long conveyor belt, a short conveyor belt, a baffle and a lifting hook, thereby effectively improving the stacking efficiency of seedling trays and reducing the labor intensity of workers;

[0004] By arranging an adjustable limit guide plate, a guide adjustment component and a separately arranged lifting hook, the stacking work of seedling trays of different specifications can be adapted.

[0005] The above technical objectives of the utility model are achieved through the following technical solutions:

[0006] An automatic tray stacking machine for sowing comprises a frame, wherein two parallel long conveyor belts and two parallel short conveyor belts are arranged in the frame, and the upper half of the short conveyor belt is higher than the upper half of the long conveyor belt;

[0007] The front side of the short conveyor belt is provided with a reversible baffle; the short conveyor belt is tensioned on the first pulleys arranged at the front and rear, wherein the two first pulleys on the rear side are fixed on the first wheel axle, the first wheel axle is fixed with a first sprocket, the first sprocket is connected to the second sprocket through a first chain, the second sprocket is fixed to one end shaft of the electromagnetic clutch, the other end shaft of the electromagnetic clutch is fixed with a third sprocket, the third sprocket is connected to the fourth sprocket through a second chain, and the fourth sprocket is fixed to the second wheel axle; the long conveyor belt is tensioned on the two second pulleys arranged at the front and rear, the two second pulleys on the rear side are fixed on the second wheel axle, the first wheel axle and the second wheel axle are rotatably connected to the frame, the second wheel axle is connected to a motor driving it to rotate, the motor is electrically connected to a controller, and the controller controls the electromagnetic clutch;

[0008] The frame is provided with two groups of lifting hooks which are symmetrically arranged on the left and right sides, and the lifting hooks are located on the outside of the short conveyor belt.

[0009] When the seedling tray is stacked to the set vertical position, all the seedling trays move down and fall onto the short conveyor belt, the baffle turns over, and the short conveyor belt transports all the seedling trays backwards to the long conveyor belt, so that the long conveyor belt outputs the stacked seedling trays backwards.

[0010] Whether the short conveyor belt is conveying is achieved by an electromagnetic clutch, and the long conveyor belt is always in a conveying state.

[0011] The utility model is further configured as follows: the lifting hook is inserted into the rectangular hole of the lifting plate frame, and vertical lifting slide rails are fixed at both ends of the lifting plate frame, and the lifting slide rails are inserted into the slider, and the slider is fixed on the frame; the bottoms of the two lifting plate frames are fixedly connected by a connecting plate, and the connecting plate is fixed to the end of the telescopic rod of the first telescopic cylinder, and the first telescopic cylinder is fixed on the frame; the first telescopic cylinder is electrically connected to the controller;

[0012] The lower end of the lifting hook is pressed against the lower edge of the rectangular hole, and the lifting hook is tilted with the outer side lower than the inner side. The outer end of the lifting hook is rotatably connected to the support rod, and the support rod is rotatably connected to the lifting plate frame.

[0013] Through the above technical solution, the first telescopic cylinder drives the connecting plate to move upward, the connecting plate drives the two lifting plate frames to move upward at the same time, the lifting plate frames drive the lifting hooks to move upward through the support rods, and the ends of the lifting hooks are pressed against the outer edge protrusions of the seedling tray to lift the seedling tray upward;

[0014] When the first telescopic cylinder drives the lifting plate frame to move downward, the lifting hook can be automatically folded outward due to the resistance of the lower seedling tray. When it moves to the bottom of the lowermost seedling tray, the lifting hook is automatically flipped inward and reset due to the influence of gravity.

[0015] The utility model is further configured as follows: the lifting hook comprises a lifting hook head and a lifting hook tail which are separately arranged, the lifting hook head is fixed to the lifting hook tail by screws; the lifting hook tail is rotatably connected to the support rod;

[0016] A first pull rod is fixed to one end of the tail of the lifting hook close to the supporting rod, a second pull rod is arranged above the first pull rod, and the second pull rod is fixed on the lifting plate frame; the first pull rod and the second pull rod are respectively fixed to the two ends of the tension spring.

[0017] Through the above technical solution, the lifting hook head and the lifting hook tail can be separately arranged, which can facilitate the replacement of the lifting hook head, and can adapt to the lifting work of different seedling trays by replacing the lifting hook heads of different specifications;

[0018] The automatic resetting of the lifting hook can be ensured by the tension spring.

[0019] The utility model is further configured as follows: the lifting plate frame is fixed with front and rear limit guide plates;

[0020] The limit guide plate includes an integrally formed straight plate and an inclined plate, the inclined plate is formed with a waist-shaped groove, a first locking screw is sleeved in the waist-shaped groove, and the first locking screw is screwed on the frame;

[0021] A pair of symmetrically arranged guide adjustment components are respectively arranged at the front end and the rear end of the frame.

[0022] Through the above technical solution, the position of the inclined plate can be adjusted by loosening the first locking screw, and the position of the straight plate can be adjusted by adjusting the position of the inclined plate, so as to adapt to the guiding work of seedling trays of different widths.

[0023] The utility model is further configured as follows: the guide adjustment component includes a baffle, and guide plates folded outward are formed at both ends of the baffle. Two sleeves arranged front and rear are fixed on the outer side wall of the baffle, and the sleeves are rotatably connected to the inner end of the adjustment arm. The outer end of the adjustment arm is threaded with a second locking screw, and the second locking screw is threaded on the frame.

[0024] Through the above technical solution, the second locking screw can be loosened and the adjusting arm can be rotated to adjust the position of the baffle, thereby adjusting the distance between the two baffles to adapt to the requirements of seedling trays of different widths.

[0025] The utility model is further configured as follows: the baffle has two pieces and is respectively fixed on the flip shafts arranged in the left and right directions, and the two ends of the flip shaft are rotatably connected to the frame; the middle part of the flip shaft is fixed to one end of the push-pull arm, and the other end of the push-pull arm is rotatably connected to the Y-type joint, the Y-type joint is fixed to the end of the telescopic rod of the second telescopic cylinder, the cylinder body of the second telescopic cylinder is rotatably connected to the frame, and the controller controls the second telescopic cylinder.

[0026] The second telescopic cylinder drives the push arm to rotate through the Y-type joint, the push-pull arm drives the flip shaft to rotate, and the flip shaft drives the baffle to flip, thereby realizing the flipping work of the baffle.

[0027] The utility model is further configured as follows: a photoelectric sensor is provided on one side of the baffle, the photoelectric sensor is fixed on the frame, the photoelectric sensor is directly facing the seedling tray on the short conveyor belt, and the photoelectric sensor is electrically connected to the controller.

[0028] When the photoelectric sensor detects the seedling tray on the short conveyor belt, it transmits a signal to the controller, and the controller controls the electromagnetic clutch to stop the short conveyor belt from rotating, and then controls the first telescopic cylinder to drive the lifting hook to move down below the seedling tray.

[0029] The outstanding effects of the utility model are:

[0030] Compared with the prior art, the stacking of seedling trays can be automatically completed through the cooperation of the long conveyor belt, the short conveyor belt, the baffle and the lifting hook, which can effectively improve the stacking efficiency of the seedling trays and reduce the labor intensity of the staff;

[0031] By arranging an adjustable limit guide plate, a guide adjustment component and a separately arranged lifting hook, the stacking work of seedling trays of different specifications can be adapted. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a schematic diagram of the structure of the utility model;

[0033] Figure 2 It is a top view of the utility model;

[0034] Figure 3 for Figure 2 About the cross-sectional view of AA;

[0035] Figure 4 for Figure 3 A partial enlarged view of B;

[0036] Figure 5 for Figure 1 About the cross-sectional view of CC;

[0037] Figure 6 This is a schematic diagram of the structure of the utility model after part of the frame is hidden;

[0038] Figure 7 It is a partial schematic diagram of the utility model in the upward direction;

[0039] Figure 8 for Figure 2 A partial enlarged view of D.

[0040] Reference numerals: 10, frame; 11, guide adjustment assembly;

[0041] 111, baffle; 112, guide plate; 113, sleeve; 114, adjustment arm; 115, second locking screw;

[0042] 20. Long conveyor belt

[0043] 30. Short conveyor belt;

[0044] 40. baffle; 41. tilting axis; 42. push-pull arm; 43. Y-type joint; 44. second telescopic cylinder;

[0045] 50. Lifting hook; 51. Lifting plate frame; 511. Rectangular hole; 52. Lifting slide rail; 53. Sliding block; 55. Connecting plate; 56. First telescopic cylinder; 57. Support rod; 58. Position limiting guide plate;

[0046] 501, lifting hook head; 502, lifting hook tail; 503, first pull rod; 504, second pull rod; 505, tension spring;

[0047] 581, straight plate; 582, inclined plate; 583, waist-shaped groove; 584, first locking screw;

[0048] 60. Photoelectric sensor;

[0049] 90. Seedling tray. DETAILED DESCRIPTION

[0050] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0051] The following references Figures 1 to 8 The utility model is described as follows:

[0052] An automatic disc stacking machine for sowing, such as Figure 1 As shown, it includes a frame 10, in which two parallel long conveyor belts 20 and two parallel short conveyor belts 30 are arranged, and the upper half of the short conveyor belt 30 is higher than the upper half of the long conveyor belt 20;

[0053] The front side of the short conveyor belt 30 is provided with a reversible baffle 40; the short conveyor belt is tensioned on the first pulleys arranged at the front and rear, wherein the two first pulleys at the rear side are fixed on the first wheel shaft, the first wheel shaft is fixed with a first sprocket, the first sprocket is connected to the second sprocket through a first chain, the second sprocket is fixed to one end shaft of the electromagnetic clutch, the other end shaft of the electromagnetic clutch is fixed with a third sprocket, the third sprocket is connected to the fourth sprocket through a second chain, and the fourth sprocket is fixed to the second wheel shaft; the long conveyor belt is tensioned on the two second pulleys arranged at the front and rear, the two second pulleys at the rear side are fixed on the second wheel shaft, the first wheel shaft and the second wheel shaft are rotatably connected to the frame, the second wheel shaft is connected to a motor driving it to rotate, the motor is electrically connected to a controller, and the controller controls the electromagnetic clutch;

[0054] The frame 10 is provided with two groups of lifting hooks 50 which are symmetrically arranged on the left and right sides. The lifting hooks 50 are located on the outside of the short conveyor belt 30 .

[0055] When the seedling tray 90 is stacked to the set vertical position, all the seedling trays move down and fall onto the short conveyor belt, the baffle turns over, and the short conveyor belt transports all the seedling trays backwards to the long conveyor belt, so that the long conveyor belt outputs the stacked seedling trays backwards.

[0056] Whether the short conveyor belt is conveying is achieved by an electromagnetic clutch, and the long conveyor belt is always in a conveying state.

[0057] like Figure 2 , Figure 6 As shown, the lifting hook 50 is inserted into the rectangular hole 511 of the lifting plate frame 51, and the two ends of the lifting plate frame 51 are fixed with vertical lifting slide rails 52, and the lifting slide rails 52 are inserted into the slider 53, and the slider 53 is fixed on the frame 10; the bottoms of the two lifting plate frames 51 are fixedly connected by a connecting plate 55, and the connecting plate 55 is fixed to the end of the telescopic rod of the first telescopic cylinder 56, and the first telescopic cylinder 56 is fixed on the frame; the first telescopic cylinder is electrically connected to the controller;

[0058] The lower end of the lifting hook 50 is pressed against the lower edge of the rectangular hole 511 , and the lifting hook 50 is tilted with the outside lower and the inside higher. The outer end of the lifting hook 50 is rotatably connected to the support rod 57 , and the support rod 57 is rotatably connected to the lifting plate frame 51 .

[0059] Through the above technical solution, the first telescopic cylinder drives the connecting plate to move upward, the connecting plate drives the two lifting plate frames to move upward at the same time, the lifting plate frames drive the lifting hooks to move upward through the support rods, and the ends of the lifting hooks are pressed against the outer edge protrusions of the seedling tray to lift the seedling tray upward;

[0060] When the first telescopic cylinder drives the lifting plate frame to move downward, the lifting hook can be automatically folded outward due to the resistance of the lower seedling tray. When it moves to the bottom of the lowermost seedling tray, the lifting hook is automatically flipped inward and reset due to the influence of gravity.

[0061] like Figure 5 As shown, the lifting hook 50 includes a lifting hook head 501 and a lifting hook tail 502 which are separately arranged. The lifting hook head 501 is fixed to the lifting hook tail 502 by screws; the lifting hook tail 502 is rotatably connected to the support rod 57;

[0062] A first pull rod 503 is fixed to one end of the lifting hook tail 502 close to the support rod 57, a second pull rod 504 is provided above the first pull rod 503, and the second pull rod 504 is fixed to the lifting plate frame 51; the first pull rod 503 and the second pull rod 504 are respectively fixed to the two ends of the tension spring 505.

[0063] Through the above technical solution, the lifting hook head and the lifting hook tail can be separately arranged, which can facilitate the replacement of the lifting hook head, and can adapt to the lifting work of different seedling trays by replacing the lifting hook heads of different specifications;

[0064] The automatic resetting of the lifting hook can be ensured by the tension spring.

[0065] like Figure 4 , Figure 6 As shown, the lifting plate frame 51 is fixed with front and rear limit guide plates 58;

[0066] The limiting guide plate 58 includes an integrally formed straight plate 581 and an inclined plate 582. The inclined plate 582 is formed with a waist-shaped groove 583. A first locking screw 584 is sleeved in the waist-shaped groove 583. The first locking screw 584 is screwed on the frame.

[0067] The front and rear ends of the frame 10 are each provided with a pair of symmetrically arranged guide adjustment components 11 .

[0068] Through the above technical solution, the position of the inclined plate can be adjusted by loosening the first locking screw, and the position of the straight plate can be adjusted by adjusting the position of the inclined plate, so as to adapt to the guiding work of seedling trays of different widths.

[0069] like Figure 8 As shown, the guide adjustment assembly 11 includes a baffle 111, and guide plates 112 folded outward are formed at both ends of the baffle 111. Two sleeves 113 arranged front and rear are fixed on the outer wall of the baffle 111. The sleeve 113 is rotatably connected to the inner end of an adjustment arm 114. The outer end of the adjustment arm 114 is screwed with a second locking screw 115, and the second locking screw 115 is screwed on the frame 10.

[0070] Through the above technical solution, the second locking screw can be loosened and the adjusting arm can be rotated to adjust the position of the baffle, thereby adjusting the distance between the two baffles to adapt to the requirements of seedling trays of different widths.

[0071] like Figure 7As shown, the baffle 40 has two pieces and is respectively fixed on a flip shaft 41 set in the left and right directions, and the two ends of the flip shaft 41 are rotatably connected to the frame 10; the middle part of the flip shaft 41 is fixed to one end of a push-pull arm 42, and the other end of the push-pull arm 42 is rotatably connected to a Y-type joint 43, and the Y-type joint 43 is fixed to the end of the telescopic rod of the second telescopic cylinder 44, and the cylinder body of the second telescopic cylinder 44 is rotatably connected to the frame 10, and the controller controls the second telescopic cylinder.

[0072] The second telescopic cylinder drives the push arm to rotate through the Y-type joint, the push-pull arm drives the flip shaft to rotate, and the flip shaft drives the baffle to flip, thereby realizing the flipping work of the baffle.

[0073] like Figure 3 As shown, a photoelectric sensor 60 is provided on one side of the baffle 40, and the photoelectric sensor 60 is fixed on the frame 10. The photoelectric sensor faces the seedling tray on the short conveyor belt, and the photoelectric sensor is electrically connected to the controller.

[0074] When the photoelectric sensor detects the seedling tray on the short conveyor belt, it transmits a signal to the controller, and the controller controls the electromagnetic clutch to stop the short conveyor belt from rotating, and then controls the first telescopic cylinder to drive the lifting hook to move down below the seedling tray.

[0075] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications of the above assumptions should also be regarded as the protection scope of the present invention.

Claims

1. An automatic tray stacking machine for sowing, comprising a frame (10), characterized in that: The frame (10) is provided with two parallel long conveyor belts (20) and two parallel short conveyor belts (30), wherein the upper half of the short conveyor belts (30) is higher than the upper half of the long conveyor belts (20); A reversible baffle (40) is provided on the front side of the short conveyor belt (30); The frame (10) is provided with two groups of lifting hooks (50) which are symmetrically arranged on the left and right, and the lifting hooks (50) are located outside the short conveyor belt (30).

2. The automatic seeding disc stacking machine according to claim 1, characterized in that: The lifting hook (50) is inserted into the rectangular hole (511) of the lifting plate frame (51), and vertical lifting slide rails (52) are fixed at both ends of the lifting plate frame (51). The lifting slide rails (52) are inserted into the slider (53), and the slider (53) is fixed on the frame (10); the bottoms of the two lifting plate frames (51) are fixedly connected by a connecting plate (55), and the connecting plate (55) is fixed to the end of the telescopic rod of the first telescopic cylinder (56), and the first telescopic cylinder (56) is fixed on the frame; The lower end of the lifting hook (50) is pressed against the lower edge of the rectangular hole (511), and the lifting hook (50) is tilted so that it is lower on the outside and higher on the inside. The outer end of the lifting hook (50) is rotatably connected to the support rod (57), and the support rod (57) is rotatably connected to the lifting plate frame (51).

3. The automatic disc stacking machine for sowing according to claim 2, characterized in that: The lifting hook (50) comprises a lifting hook head (501) and a lifting hook tail (502) which are separately arranged, and the lifting hook head (501) is fixed to the lifting hook tail (502) by means of screws; the lifting hook tail (502) is rotatably connected to the support rod (57); A first pull rod (503) is fixed to one end of the lifting hook tail (502) close to the support rod (57), a second pull rod (504) is provided above the first pull rod (503), and the second pull rod (504) is fixed to the lifting plate frame (51); the first pull rod (503) and the second pull rod (504) are respectively fixed to the two ends of the tension spring (505).

4. The automatic seeding disc stacking machine according to claim 2, characterized in that: The lifting plate frame (51) is fixed with adjustable limiting guide plates (58) arranged in front and behind. The limiting guide plate (58) comprises an integrally formed straight plate (581) and an inclined plate (582); a waist-shaped groove (583) is formed on the inclined plate (582); a first locking screw (584) is sleeved in the waist-shaped groove (583); and the first locking screw (584) is screwed onto the frame; A pair of symmetrically arranged guide adjustment components (11) are respectively provided at the front end and the rear end of the frame (10).

5. The automatic seeding disc stacking machine according to claim 4, characterized in that: The guide adjustment assembly (11) comprises a baffle (111), with guide plates (112) folded outwardly formed at both ends of the baffle (111), two sleeves (113) arranged front and rear are fixed to the outer wall of the baffle (111), the sleeves (113) are rotatably connected to the inner end of an adjustment arm (114), the outer end of the adjustment arm (114) is screwed with a second locking screw (115), and the second locking screw (115) is screwed to the frame (10).

6. The automatic seeding disc stacking machine according to claim 1, characterized in that: The baffle (40) has two pieces and is respectively fixed on a flip shaft (41) arranged in the left and right directions, and the two ends of the flip shaft (41) are rotatably connected to the frame (10); the middle part of the flip shaft (41) is fixed to one end of a push-pull arm (42), and the other end of the push-pull arm (42) is rotatably connected to a Y-shaped joint (43), and the Y-shaped joint (43) is fixed to the end of the telescopic rod of the second telescopic cylinder (44), and the cylinder body of the second telescopic cylinder (44) is rotatably connected to the frame (10).

7. The automatic seeding disc stacking machine according to claim 1, characterized in that: A photoelectric sensor (60) is provided on one side of the baffle (40), and the photoelectric sensor (60) is fixed on the frame (10).

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