Automatic seedling feeding mechanism of rice transplanter

Abstract

The utility model discloses an automatic seedling feeding mechanism of a rice transplanter, and particularly relates to the technical field of rice transplanters, which comprises a frame, two ends of the frame are symmetrically connected with rotating rollers through rotating shafts, a conveyor belt is sleeved between the two rotating rollers, a first motor is fixed on one side of the frame, and a second motor is fixed on the other side of the frame. The output end of the first motor is connected with one of the rotating rollers; and a positioning assembly. The two groups of positioning plates and rollers are symmetrically arranged on the conveying belt, and under the cooperation of the connecting arm, the fixed plates, the first rotating handle, the second rotating handle, the movable column and other structures, the second rotating handle can be controlled to push and pull the two fixed plates to move face to face or back to back, so that the connecting arm can drive the positioning plates to move; the distance between the two positioning plates can be quickly adjusted, so that the two groups of rollers which are symmetrical left and right can accurately limit and guide the seedling tray, the seedling tray is effectively prevented from shaking and shifting during conveying, and the stability and reliability during automatic seedling conveying are greatly ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of rice transplanter, concretely relates to an automatic seedling feeding mechanism of rice transplanter. BACKGROUND

[0002] Rice transplanter is the planting machinery that will rice seedling planting in paddy field. Rice transplanter is divided into washing seedling type, with soil seedling type and dual-purpose type according to the state of seedling, and is divided into manual transplanter and motorized transplanter according to power. The function is to improve the work efficiency and planting quality of transplanting, realize reasonable close planting, and be beneficial to the mechanization of subsequent operation.

[0003] At present, the automatic seedling feeding mechanism of the existing rice transplanter is often driven by the transmission structure to automatically move the seedling tray to the seedling taking device in the application, but the seedling tray is easy to move in the process of feeding, which causes the position to deviate, so it is difficult to ensure that the seedling taking station can be accurately reached, and the use effect is not good. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing an automatic seedling feeding mechanism of rice transplanter, which is symmetrical with two sets of positioning plates and rollers on the conveying belt, and can control the second handle to push and pull two fixed plates to move towards or away from each other through the cooperation of connecting arms, fixed plates, first handles, second handles and movable columns, so that the connecting arms can drive the positioning plates to move, thereby the distance between the two positioning plates can be quickly adjusted, the two symmetrical sets of rollers can accurately limit and guide the seedling tray, and the seedling tray can be effectively prevented from shaking and deviating during conveying, so that the stability and reliability of automatic seedling feeding can be greatly ensured, and the above technical deficiencies can be solved.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme: an automatic seedling feeding mechanism of rice transplanter, comprising:

[0006] A rack is provided with a rotating roller symmetrically connected through a rotating shaft at both ends, a conveying belt is sleeved between the two rotating rollers, a first motor is fixed on one side of the rack, and the output end of the first motor is connected with one of the rotating rollers.

[0007] A positioning assembly is provided, which comprises positioning plates symmetrically arranged on both sides of the bottom side of the conveying belt, a plurality of grooves are arranged on the inner side of the two positioning plates, rollers are rotatably connected in the grooves through rotating shafts, baffle plates are symmetrically fixed on both sides of the rack, connecting arms are connected through the side walls of the baffle plates, one end of the connecting arm is fixedly connected with the positioning plate, and the other end of the connecting arm is fixedly connected with a fixed plate.

[0008] A support frame is arranged in the rack, a push-pull assembly is arranged on the support frame, and the push-pull assembly is used to push and pull two fixed plates to move towards or away from each other.

[0009] Preferably, the push-pull assembly comprises connecting shafts symmetrically connected to both ends of the top side of the support frame through bearings, the bottom ends of the two connecting shafts are fixed with gears, and the top ends of the two connecting shafts are fixed with first handles, the one end of the two first handles relative to the connecting shaft is rotatably connected with a second handle, the one end of the second handle relative to the first handle is movably connected with the bottom end of the fixed plate through a rotating shaft, the top side of the support frame between the two connecting shafts is provided with a movable movable column, the two sides of the movable column are provided with toothed plates engaged with the gears, and the two sides of the frame are provided with passages, and the second handle is arranged in the passage.

[0010] Preferably, the top side of the support frame is fixed with a cylinder, and the output end of the cylinder is fixedly connected with the movable column.

[0011] Preferably, the bottom side of the movable column is provided with a limiting block, and the top side of the support frame is provided with a limiting groove matched with the limiting block.

[0012] Preferably, the top side of the conveying belt is placed with a seedling tray, and the seedling tray is located between the two groups of left-right symmetrical rollers.

[0013] Preferably, the top end of the two positioning plates is symmetrically provided with an outwardly inclined guide plate.

[0014] In the above technical scheme, the technical effects and advantages of the present application are provided:

[0015] By symmetrically arranging two groups of positioning plates and rollers on the conveying belt, and cooperating with the connecting arm, the fixed plate, the first handle, the second handle and the movable column, the second handle can control the two fixed plates to move towards or away from each other, that is, the connecting arm can drive the positioning plate to move, so that the distance between the two positioning plates can be quickly adjusted, so that the two groups of left-right symmetrical rollers can accurately limit and guide the seedling tray, thereby effectively preventing the seedling tray from shaking and shifting during conveying, and greatly ensuring the stability and reliability of the automatic seedling conveying. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments or prior art, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0017] Fig. 1 It is a schematic diagram of the overall structure of the present application;

[0018] Fig. 2 It is a schematic diagram of the internal structure of the rack of the present application;

[0019] Fig. 3 The utility model discloses a structure schematic diagram of connecting between movable column and support frame.

[0020] Mark explanation:

[0021] 1, rack, 2, conveying belt, 3, rotating roller, 4, first motor, 5, support frame, 6, connecting shaft, 7, first handle, 8, second handle, 9, fixed plate, 10, connecting arm, 11, baffle, 12, movable column, 13, toothed plate, 14, gear, 15, cylinder, 16, limit block, 17, limit slot, 18, positioning plate, 19, roller, 20, seedling tray, 21, passageway. Specific implementation

[0022] In order to make the technical personnel of the prior art better understand the technical scheme of the utility model, the utility model will be introduced further in detail below with the accompanying drawings.

[0023] The utility model provides a kind of automatic seedling feeding mechanism of rice transplanter as Figs. 1-3 As shown in the figure, comprising:

[0024] Rack 1, both ends of rack 1 are symmetrically connected with rotating roller 3 through rotating shaft, conveying belt 2 is sleeved between two rotating rollers 3, first motor 4 is fixed on one side of rack 1, and the output end of first motor 4 is connected with one of rotating roller 3;

[0025] Positioning assembly, positioning assembly includes positioning plate 18 symmetrically arranged at the bottom side of conveying belt 2 two sides, the inner side of two positioning plates 18 is provided with a plurality of grooves, and the groove is rotatably connected with roller 19 through rotating shaft, baffle 11 is symmetrically fixed on the both sides of rack 1, connecting arm 10 is connected through side wall of baffle 11, one end of connecting arm 10 is fixedly connected with positioning plate 18, and the other end of connecting arm 10 is fixed with fixed plate 9;

[0026] Conveying belt 2 is placed with seedling tray 20 on top side, and seedling tray 20 is located between two groups of rollers 19 left and right symmetrical.

[0027] Support frame 5 is arranged in rack 1, and push-pull assembly is arranged on support frame 5, and push-pull assembly is used to push and pull two fixed plates 9 to move towards each other or away from each other.

[0028] The push-pull assembly comprises connecting shafts 6 symmetrically connected at both ends of the top side of the support frame 5 through bearings, the bottom ends of the two connecting shafts 6 are fixed with gear wheels 14, and the top ends of the two connecting shafts 6 are fixed with first handles 7, one end of each of the two first handles 7 relative to the connecting shaft 6 is rotatably connected with a second handle 8, one end of the second handle 8 relative to the first handle 7 is movably connected with the bottom end of a fixed plate 9 through a rotating shaft, a movable column 12 is arranged between the two connecting shafts 6 on the top side of the support frame 5, toothed plates 13 meshing with the gear wheels 14 are arranged on both sides of the movable column 12, and passages 21 are formed in both sides of the frame 1, and the second handle 8 is arranged in the passage 21.

[0029] One end of the top side of the support frame 5 is fixed with an air cylinder 15, and the output end of the air cylinder 15 is fixedly connected with the movable column 12.

[0030] In use, the seedling tray 20 can be continuously arranged on the conveying belt 2, so that the conveying belt 2 drives the seedling tray 20 to move to the seedling taking device, and the air cylinder 15 can be started to drive the movable column 12 to move, and then the movable column 12 can drive the gear wheels 14 on both sides to rotate through the toothed plates 13, so that the gear wheels 14 drive the connecting shafts 6 to rotate, and then the connecting shafts 6 drive the first handles 7 to rotate, so that the first handles 7 drive the fixed plate 9 to move through the second handle 8, and then the fixed plate 9 drives the connecting arms 10 to slide on the baffles 11, so that the connecting arms 10 drive the positioning plates 18 to move, thereby the interval between the two positioning plates 18 can be quickly adjusted, so that the two groups of left-right symmetrical rollers 19 can accurately limit and guide the seedling tray 20, thereby effectively preventing the seedling tray 20 from shaking and deviating during conveying, and greatly ensuring the stability and reliability of automatic seedling feeding.

[0031] The bottom side of the movable column 12 is provided with a limiting block 16, and the top side of the support frame 5 is provided with a limiting groove 17 matched with the limiting block 16. Based on this, the stability of the movable column 12 during movement can be greatly improved by arranging the limiting block 16 and the limiting groove 17.

[0032] The top ends of the two positioning plates 18 are symmetrically provided with outwardly inclined guide plates. Based on this, the seedling tray 20 can be smoothly guided between the two groups of rollers 19 by arranging the outwardly inclined guide plates.

[0033] The above only describes certain exemplary embodiments of the present application by way of illustration, and it is needless to say that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present application. Therefore, the above drawings and descriptions are illustrative in nature and should not be understood as limiting the scope of protection of the claims of the present application.

Claims

1. An automatic seedling feeding mechanism for a rice transplanter, characterized in that, Include: Frame (1), both ends of the frame (1) are connected by a rotating shaft symmetry with rotating roller (3), two rotating roller (3) between the transmission belt (2) is provided with, one side of the frame (1) is fixed with first motor (4), the output end of the first motor (4) and one rotating roller (3) are connected; Positioning assembly, the positioning assembly includes positioning plate (18) which is symmetrically arranged at the bottom side of the transmission belt (2), a plurality of grooves are arranged on the inner side of the two positioning plates (18), and the grooves are rotatably connected with the rollers (19) through the rotating shafts, the two sides of the frame (1) are symmetrically fixed with the baffle (11), the side wall of the baffle (11) is connected with the connecting arm (10), one end of the connecting arm (10) is fixedly connected with the positioning plate (18), and the other end of the connecting arm (10) is fixedly connected with the fixed plate (9); The inside of the frame (1) is provided with a support frame (5), the support frame (5) is provided with a push-pull assembly, and the push-pull assembly is used for pushing and pulling two fixed plates (9) to move towards or away from each other.

2. The automatic seedling feeding mechanism of a rice transplanter according to claim 1, wherein: The push-pull assembly includes connecting shafts (6) which are symmetrically connected on both ends of the top side of the support frame (5) through bearings, the bottom ends of the two connecting shafts (6) are fixedly connected with gears (14), and the top ends of the two connecting shafts (6) are fixedly connected with first handles (7), one end of the two first handles (7) relative to the connecting shaft (6) is rotatably connected with the second handle (8), one end of the second handle (8) relative to the first handle (7) is movably connected with the bottom end of the fixed plate (9) through the rotating shaft, the movable column (12) is arranged between the two connecting shafts (6) on the top side of the support frame (5), the two sides of the movable column (12) are provided with toothed plates (13) which are engaged with the gears (14), and the two sides of the frame (1) are provided with channels (21), and the second handle (8) is arranged in the channel (21).

3. The automatic seedling feeding mechanism of a rice transplanter according to claim 2, wherein: One end of the top side of the support frame (5) is fixedly connected with the air cylinder (15), and the output end of the air cylinder (15) is fixedly connected with the movable column (12).

4. The automatic seedling feeding mechanism of a rice transplanter according to claim 2, wherein: The bottom side of the movable column (12) is provided with a limiting block (16), and the top side of the support frame (5) is provided with a limiting groove (17) matched with the limiting block (16).

5. The automatic seedling feeding mechanism of a rice transplanter according to claim 1, wherein: The top side of the transmission belt (2) is placed with seedling tray (20), and the seedling tray (20) is located between the two groups of rollers (19) which are symmetrical.

6. The automatic seedling feeding mechanism of a rice transplanter according to claim 1, wherein: The top ends of the two positioning plates (18) are symmetrically provided with outwardly inclined guide plates.

Images