Longitudinal slitting device for upper-bowl lower-blanket rice seedlings

Abstract

The utility model discloses a longitudinal slitting device for rice seedlings in upper bowls and lower blankets, which belongs to the field of agricultural mechanized rice seedling throwing machinery and comprises a seedling box, a frame, a conveying device, a seedling separating device and a slitting device, the seedling box is fixed at the top end of the frame, and the seedling separating device is fixedly arranged in the seedling box. A through hole is formed in the bottom end of the seedling box so that the bottom end of the seedling separating device can be fixed to the rack, the conveying device and the slitting device are both arranged at the bottom end of the rack, and the seedling separating device can separate a plurality of seedlings and accurately position the seedlings and is matched with the slitting device to perform accurate slitting at the same time; the seedling separating device is arranged, under the action of gravity, seedlings can be accurately separated and positioned by the seedling separating device, so that the strip cutting device is faster in cutting, and the strip cutting working efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the field of agricultural mechanized rice seedling throwing machinery, and in particular relates to a rice seedling longitudinal strip cutting device with an upper pot and a lower blanket. Background Art

[0002] Rice is the main food crop in my country, and its mechanized planting mainly includes direct seeding, machine transplanting, and machine throwing. Among them, the current direct seeding has high requirements for paddy fields, heavy weight, and poor resistance to lodging of rice. Machine transplanting causes greater plant damage to rice and a longer greening period. Machine throwing has the advantages of less plant damage, faster greening, and early tillering. The rice throwing machines used on the market all use pot seedlings for throwing, and pot seedlings have the problem of large labor consumption for mechanical transportation.

[0003] The existing seedling cutting device cannot guarantee the accuracy of the cutting device under a large workload and cannot accurately position the seedlings.

[0004] Therefore, how to provide a rice seedling longitudinal strip cutting device with upper pot and lower blanket that can be accurately positioned is a problem that technicians in this field urgently need to solve. Utility Model Content

[0005] The main purpose of the utility model is to provide a device for longitudinally cutting rice seedlings with a rice pot and a rice blanket to solve the above technical problems. The device is provided with a seedling separation device, which can accurately separate and position the seedlings under the action of gravity, so that the cutting device can cut faster and improve the working efficiency of the cutting.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A device for longitudinally cutting rice seedlings in a rice pot and blanket, comprising a seedling box, a frame, a conveying device, a seedling separation device and a strip cutting device. The seedling box is fixed to the top of the frame, the seedling separation device is fixedly arranged in the seedling box, the bottom end of the seedling box is provided with a through hole so that the bottom end of the seedling separation device is fixed to the frame, the conveying device and the strip cutting device are both arranged at the bottom end of the frame, the seedling separation device can separate a plurality of seedlings, accurately position the seedlings, and cooperate with the strip cutting device to perform accurate strip cutting.

[0008] Furthermore, the frame includes a frame body, a fixed frame and a conveyor belt support plate, two of the fixed frames are fixed on the top of the frame body, a conveyor belt support plate is fixedly arranged between the two fixed frames, a plurality of slots are arranged on the conveyor belt support plate, a strip cutting device is connected between the fixed frame and the frame body through a bearing seat, the top of the fixed frame is located below the conveyor belt support plate and is connected to a conveying device through a bearing seat, the fixed frame is connected to the seedling box through a plurality of short seedling box brackets and a long seedling box bracket, and the conveyor belt support plate is fixedly connected to the top of the seedling separating device through a seedling separating device bracket.

[0009] Furthermore, the seedling separation device comprises a plurality of seedling separation grid plates, the bottom ends of the seedling separation grid plates are fixed on the conveyor belt support plates, and the top ends of the seedling separation grid plates are fixed on the seedling separation device brackets.

[0010] Furthermore, the conveying device includes a conveying device motor, a conveyor belt, a conveyor belt drive shaft and a conveyor belt driven shaft. Both ends of the conveyor belt drive shaft and the conveyor belt driven shaft are sleeved with bearing 1, and are connected to the bearing seat at the top of the fixed frame through bearing 1. One end of the conveyor belt is sleeved on the conveyor belt drive shaft, and the other end is sleeved on the conveyor belt driven shaft. One end of the conveyor belt drive shaft is also connected to the output end of the conveying device motor through a coupling.

[0011] Furthermore, the strip cutting device includes a first group of cutting circular knives, a second group of cutting toothed knives, a cutting circular knife motor and a cutting toothed knife motor. The first group of cutting circular knives includes a cutting transmission shaft 1 provided with a plurality of cutting circular knives, and the second group of cutting toothed knives includes a cutting transmission shaft 2 provided with a plurality of cutting toothed knives. Both ends of the cutting transmission shaft 1 and the cutting transmission shaft 2 are provided with bearings 2, and are connected to the bearing seat between the frame body through bearings 2 and a fixed frame. The cutting transmission shaft 1 is connected to the output end of the cutting circular knife motor through a coupling, and the cutting transmission shaft 2 is connected to the output end of the cutting toothed knife motor through a coupling.

[0012] Furthermore, the cutting transmission shaft includes a cutting blade shaft, one end of the cutting blade shaft is provided with a shaft shoulder, and the other end is connected to a separate fixing ring, a plurality of retaining rings are fixedly connected between the separate fixing ring and the shaft shoulder, a cutting circular knife is fixedly connected between adjacent retaining rings, and one end of the cutting blade shaft is connected to a coupling.

[0013] Furthermore, the cutting transmission shaft 2 includes a cutting knife shaft 2, one end of the cutting knife shaft 2 is provided with a shaft shoulder 2, and the other end is connected to a separate fixing ring 2, a plurality of retaining rings 2 are fixedly connected between the separate fixing ring 2 and the shaft shoulder 2, a cutting tooth knife is fixedly connected between the two adjacent retaining rings, and one end of the cutting knife shaft 2 is connected to a coupling.

[0014] Furthermore, a plurality of universal wheels are arranged at the bottom end of the frame body.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] The utility model is provided with a seedling separation device, and under the action of gravity, the seedling separation device can accurately separate and position the seedlings, so that the strip cutting device can cut faster, thereby improving the working efficiency of the strip cutting. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0018] Figure 1 It is a structural schematic diagram of the utility model.

[0019] Figure 2 It is a front structural schematic diagram of the utility model.

[0020] Figure 3 It is a schematic diagram of the structure of the cutting device.

[0021] Figure 4 It is a schematic diagram of the top view of the cutting device.

[0022] Figure 5 It is a schematic diagram of the structure of the first group of cutting circular knives and the second group of cutting tooth knives.

[0023] Figure 6 It is a structural schematic diagram of the conveyor belt support plate.

[0024] Figure 7 It is a schematic diagram of the structure of the seedling separation grid plate.

[0025] Figure 8 It is a structural diagram of the retaining ring.

[0026] Among them, 1-strip cutting device, 2-separating device, 3-seedling box, 4-frame, 5-second set of cutting teeth, 6-conveyor belt driven shaft, 7-first set of cutting circular knives, 8-conveyor belt roller, 9-conveyor belt, 10-conveyor belt drive shaft, 11-cutting tooth knife motor, 12-cutting circular knife motor, 13-conveyor device motor, 14-conveyor belt support plate, 15-separable fixing ring one, 16-cutting circular knife, 17-retaining ring one, 18-cutting knife shaft one, 19-cutting tooth knife, 20-separating grid plate, 21-bearing seat, 22-short seedling box bracket, 23-long seedling box bracket, 24-separating device bracket, 25-universal wheel, 26-coupling. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] like Figures 1 to 8 As shown, the utility model provides a device for longitudinally cutting rice seedlings with an upper pot and a lower blanket, comprising a seedling box 3, a frame 4, a conveying device, a seedling separation device 2 and a strip cutting device 1, wherein the seedling box 3 is fixed at the top of the frame, and the seedling separation device 2 is fixedly arranged in the seedling box 3, and a through hole is arranged at the bottom end of the seedling box 3 so that the bottom end of the seedling separation device 2 is fixed on the frame 4, and the conveying device and the strip cutting device 1 are both arranged at the bottom end of the frame 4, and the seedling separation device 2 can separate a plurality of seedlings, accurately position the seedlings, and cooperate with the strip cutting device 1 to perform accurate strip cutting; the end of the seedling box 3 is slightly above the head end of the strip cutting device 1, so as to ensure that the seedlings can smoothly and steadily transition from the seedling box 3 to the strip cutting device 1.

[0029] In this embodiment, the frame 4 includes a frame body, a fixed frame and a conveyor belt support plate 14, two of the fixed frames are fixed at the top of the frame body, a conveyor belt support plate 14 is fixedly arranged between the two fixed frames, a strip cutting device 1 is connected between the fixed frame and the frame body through a bearing seat 21, the top of the fixed frame is located below the conveyor belt support plate 14 and is connected to a conveying device through a bearing seat 21, the fixed frame is connected to the seedling box 3 through a plurality of short seedling box brackets 22 and a long seedling box bracket 23, the conveyor belt support plate 14 is fixedly connected to the top of the seedling separation device 2 through a seedling separation device bracket 24; the conveyor belt support plate 14 is provided with two rows of parallel slots, the spacing between adjacent slots is 19.7mm, the row distance between the two rows of slots is 130mm, and the width of each slot is 8mm and the length is 115mm. The cutting circular knife 16 and the cutting tooth knife 19 are both installed in the corresponding slots to achieve strip cutting of the seedlings. The front end of the conveyor belt support plate 14 is provided with bolt holes for mounting with the seedling separation grid plate 20 , and is connected with the seedling separation grid plate 20 by bolts. The conveyor belt support plate 14 is mainly used for supporting the seedling separation grid plate 20 .

[0030] The seedling separation device 2 comprises a plurality of seedling separation grid plates 20, the bottom ends of the seedling separation grid plates 20 are fixed on the conveyor belt support plate 14, and the top ends of the seedling separation grid plates 20 are fixed on the seedling separation device bracket 24. The distance between the two seedling separation grid plates 20 is 19.7 mm, which is used to control the seedling separation direction of the seedlings. The seedling separation grid plates 20 are close to the cutting tooth knife 19 and the cutting circular knife 16, making it easier to cut the seedlings into strips; the spacing between the seedling separation grid plates 20 and the conveyor belt 9 and the seedling box 3 can be adjusted according to the different thickness of the lower blanket of the seedlings in the upper pot and the lower blanket at the head end. For example, the spacing between the seedling separation grid plates 20 and the conveyor belt 9 and the seedling box 3 can be 7-11 mm. Specifically, in the present embodiment, the seedling separation grid plates 20 are 9 mm apart from the conveyor belt 9 and the seedling box 3 as a whole. When approaching the cutting tooth knife 19, they are tangent to the toothed edge of the cutting tooth knife 19 and gradually overlap, and together with the cutting tooth knife 19 form a movable knife and a fixed knife combination.

[0031] In this embodiment, the conveying device includes a conveying device motor 13, a conveyor belt 9, a conveyor belt drive shaft 10 and a conveyor belt driven shaft 6. Both ends of the conveyor belt drive shaft 10 and the conveyor belt driven shaft 6 are sleeved with bearings 1, and are connected to the bearing seat 21 at the top of the fixed frame through bearings 1. One end of the conveyor belt 9 is sleeved on the conveyor belt drive shaft 10, and the other end is sleeved on the conveyor belt driven shaft 6. One end of the conveyor belt drive shaft 10 is also connected to the output end of the conveyor device motor 13 through a coupling 26. The conveyor belt 9 can drive the seedlings to move.

[0032] In this embodiment, the strip cutting device 1 includes a first group of cutting circular knives 7, a second group of cutting toothed knives 5, a cutting circular knife motor 12 and a cutting toothed knife motor 11. The first group of cutting circular knives 7 includes a cutting transmission shaft 1 provided with a plurality of cutting circular knives 16, and the second group of cutting toothed knives 5 includes a cutting transmission shaft 2 provided with a plurality of cutting toothed knives 19. Both ends of the cutting transmission shaft 1 and the cutting transmission shaft 2 are provided with bearings 2, and are connected to the bearing seat 21 between the frame body through the bearings 2 and the fixed frame. The cutting transmission shaft 1 is connected to the output end of the cutting circular knife motor 12 through a coupling 26, and the cutting transmission shaft 2 is connected to the output end of the cutting toothed knife motor 11 through a coupling 26; the cutting transmission shaft 1 and the cutting transmission shaft 2 have the same structure.

[0033] In this embodiment, the cutting transmission shaft includes a cutting blade shaft 18, one end of the cutting blade shaft 18 is provided with a shaft shoulder 1, the shaft shoulder 1 is used to position the cutting circular blade 16, and the other end is connected with a separate fixing ring 15, a plurality of retaining rings 17 are fixedly connected between the separate fixing ring 15 and the shaft shoulder, and the cutting circular blade 16 is fixedly connected between adjacent retaining rings 17, one end of the cutting blade shaft 18 is connected to a coupling 26, and the retaining ring 17 is fixed on the cutting blade shaft 18 by a key connection, and the retaining ring 17 is used to act as a positioning ring to position the cutting circular blade 16, and the distance between the cutting circular blades 16 is 19.7 mm; the separate fixing ring 15 is used to press and position the cutting circular blade 16.

[0034] In this embodiment, the cutting transmission shaft 2 includes a cutting blade shaft 2, and a shoulder 2 is provided at one end of the cutting blade shaft 2, and the shoulder 1 is used to position the cutting tooth blade 19, and the other end is connected to a separate fixing ring 2, and a plurality of retaining rings 2 are fixedly connected between the separate fixing ring 2 and the shoulder 2, and the cutting tooth blade 19 is fixedly connected between the two adjacent retaining rings, and the retaining ring 2 is fixed on the cutting blade shaft 2 by a key connection, and the retaining ring 2 is used to act as a positioning ring to position the cutting tooth blade 19, and one end of the cutting blade shaft 2 is connected to the coupling 26; the distance between the cutting spherical tooth blade 19 and the cutting tooth blade 19 is 19.7 mm; the separate fixing ring 2 is used to press and position the cutting tooth blade 19.

[0035] In this embodiment, a plurality of universal wheels 25 are provided at the bottom end of the frame body, and the universal wheels 25 make the seedling cutting device more convenient to move.

[0036] Working principle: the seedlings are placed at a high place in the seedling box 3, and the seedlings 3 are separated under the action of the seedling separation grid plate 20 and gravity, and the cutting tooth knife motor 11, the cutting circular knife motor 12 and the conveying device motor 13 are started. Under the action of the motor, the conveyor belt 9, the cutting circular knife 16 and the cutting tooth knife 19 are driven to operate, and the conveyor belt 9 drives the seedlings to move vertically to the cutting circular knife 16 and the cutting tooth knife 19 for cutting in turn.

[0037] In this specification, each embodiment is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the embodiments can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the method part.

[0038] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A device for longitudinally cutting rice seedlings with a rice pot and a rice blanket, characterized in that: The invention comprises a seedling box (3), a frame (4), a conveying device, a seedling separation device (2) and a strip cutting device (1); the seedling box (3) is fixed on the top of the frame; the seedling separation device (2) is fixedly arranged in the seedling box (3); a through hole is arranged at the bottom end of the seedling box (3) so that the bottom end of the seedling separation device (2) is fixed on the frame (4); the conveying device and the strip cutting device (1) are both arranged at the bottom end of the frame (4); the seedling separation device (2) can separate a plurality of seedlings and accurately position the seedlings, and simultaneously cooperate with the strip cutting device (1) to accurately cut the seedlings.

2. The device for longitudinally cutting rice seedlings in a rice pot and a rice blanket according to claim 1, characterized in that: The frame (4) comprises a frame body, a fixed frame and a conveyor belt support plate (14); two of the fixed frames are fixed on the top of the frame body; a conveyor belt support plate (14) is fixedly arranged between the two fixed frames; a plurality of slots are arranged on the conveyor belt support plate (14); a strip cutting device (1) is connected between the fixed frame and the frame body via a bearing seat (21); the top of the fixed frame is located below the conveyor belt support plate (14) and is connected to a conveying device via a bearing seat (21); the fixed frame is connected to the seedling box (3) via a plurality of short seedling box brackets (22) and a long seedling box bracket (23); and the conveyor belt support plate (14) is fixedly connected to the top of the seedling separation device (2) via a seedling separation device bracket (24).

3. The device for longitudinally cutting rice seedlings in a rice pot and a rice blanket according to claim 2, characterized in that: The seedling separation device (2) comprises a plurality of seedling separation grid plates (20), the bottom ends of the seedling separation grid plates (20) are fixed on the conveyor belt support plates (14), and the top ends of the seedling separation grid plates (20) are fixed on the seedling separation device bracket (24).

4. The device for longitudinally cutting rice seedlings in a rice pot and a rice blanket according to claim 2, characterized in that: The conveying device comprises a conveying device motor (13), a conveyor belt (9), a conveyor belt transmission shaft (10) and a conveyor belt driven shaft (6); both ends of the conveyor belt transmission shaft (10) and the conveyor belt driven shaft (6) are sleeved with bearings 1 and connected to a bearing seat (21) at the top end of a fixed frame through the bearings 1; one end of the conveyor belt (9) is sleeved on the conveyor belt transmission shaft (10) and the other end is sleeved on the conveyor belt driven shaft (6); one end of the conveyor belt transmission shaft (10) is also connected to the output end of the conveying device motor (13) through a coupling (26).

5. The device for longitudinally cutting rice seedlings in a rice pot and a rice blanket according to claim 2, characterized in that: The strip cutting device (1) comprises a first group of circular cutting knives (7), a second group of toothed cutting knives (5), a circular cutting knives motor (12) and a toothed cutting knives motor (11); the first group of circular cutting knives (7) comprises a first cutting transmission shaft provided with a plurality of circular cutting knives (16); the second group of toothed cutting knives (5) comprises a second cutting transmission shaft provided with a plurality of toothed cutting knives (19); both ends of the first cutting transmission shaft and the second cutting transmission shaft are sleeved with second bearings and connected to a bearing seat (21) between a main frame through the second bearings and a fixing frame; the first cutting transmission shaft is connected to an output end of the circular cutting knives motor (12) through a coupling (26); and the second cutting transmission shaft is connected to an output end of the toothed cutting knives motor (11) through a coupling (26).

6. The device for longitudinally cutting rice seedlings in a rice pot and a rice blanket according to claim 5, characterized in that: The cutting transmission shaft comprises a cutting blade shaft (18), one end of the cutting blade shaft (18) is provided with a shaft shoulder, and the other end is connected to a separate fixing ring (15), a plurality of retaining rings (17) are fixedly connected between the separate fixing ring (15) and the shaft shoulder, and a cutting circular knife (16) is fixedly connected between adjacent retaining rings (17), and one end of the cutting blade shaft (18) is connected to a coupling (26).

7. The device for longitudinally cutting rice seedlings in a rice pot and a rice blanket according to claim 5, characterized in that: The cutting transmission shaft 2 comprises a cutting blade shaft 2, one end of the cutting blade shaft 2 is provided with a shaft shoulder 2, and the other end is connected to a separate fixing ring 2, a plurality of retaining rings 2 are fixedly connected between the separate fixing ring 2 and the shaft shoulder 2, a cutting tooth knife (19) is fixedly connected between the two adjacent retaining rings, and one end of the cutting blade shaft 2 is connected to a coupling (26).

8. The device for longitudinally cutting rice seedlings in a rice pot and a rice blanket according to claim 2, characterized in that: A plurality of universal wheels (25) are arranged at the bottom end of the frame body.

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