CN114568082A - Seedling throwing machine - Google Patents

Seedling throwing machine Download PDF

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Publication number
CN114568082A
CN114568082A CN202210253854.5A CN202210253854A CN114568082A CN 114568082 A CN114568082 A CN 114568082A CN 202210253854 A CN202210253854 A CN 202210253854A CN 114568082 A CN114568082 A CN 114568082A
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CN
China
Prior art keywords
seedling
wheel
roller
pulling
cleaning
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Pending
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CN202210253854.5A
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Chinese (zh)
Inventor
王术平
宋建龙
龙学平
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Hunan Longzhou Farm Equipment Holdings Co ltd
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Hunan Longzhou Farm Equipment Holdings Co ltd
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Priority to CN202210253854.5A priority Critical patent/CN114568082A/en
Publication of CN114568082A publication Critical patent/CN114568082A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C11/00Transplanting machines
    • A01C11/003Transplanting machines for aquatic plants; for planting underwater, e.g. rice
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/14Measures for saving energy, e.g. in green houses

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  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Transplanting Machines (AREA)

Abstract

The invention discloses a seedling throwing machine, which comprises a travelling mechanism and a seedling throwing assembly, wherein the seedling throwing assembly is arranged behind the travelling mechanism, a conveying mechanism, a seedling pulling mechanism and a seedling guide device are arranged above the seedling throwing assembly, the seedling pulling mechanism is arranged at the tail end of the conveying mechanism, the seedling guide device is arranged below the seedling pulling mechanism, the conveying mechanism conveys a seedling tray to the seedling pulling mechanism, and the seedling pulling mechanism pulls out seedlings in the seedling tray and conveys the seedlings to the seedling guide device to realize seedling throwing. The invention realizes the high-speed and accurate planting operation of the seedling throwing machine and ensures the effect of the planting operation.

Description

Seedling throwing machine
Technical Field
The invention relates to the field of machinery, in particular to a seedling throwing machine.
Background
The rice seedling throwing technology is the best cultivation technology at present, and solves the problems of seedling damage and growth period prolongation of the traditional rice transplanting to a certain extent. The main advantages are that: the labor intensity of manual operation is low, the operation efficiency is high, the green turning is fast, the effective tillering at low node is more, the spike shape is neat, the maturity is good, the yield increasing effect is obvious, but at present, almost no mature machine type is applied to production.
At present, the operation principle of the Japanese rice seedling throwing technology adopts a push-out type seedling taking principle, seedlings are planted into a field through a planting disc, and the Japanese rice seedling throwing technology has the following defects: the cost of the seedling raising tray is too high, 15 yuan per seedling raising tray, the mu dosage is 40-50 trays, the structure of the machine is complex, the working efficiency is low, the cost of the machine is high, and the total investment is high. The throwing disc type seedling throwing machine utilizes the high-speed rotation of the throwing disc to throw out the seedlings fed into the throwing disc, and the seedlings fall into a field by means of gravity and inertia to complete the planting operation. The air-blowing type seedling throwing machine utilizes high-speed airflow to throw seedlings into the field and enters the soil by gravity to complete the planting operation. The air-blowing type seedling throwing machine and the throwing disc type seedling throwing machine have the following defects: uneven throwing and planting, difficult control of density and inconvenience for subsequent operation. The ordered rice seedling throwing machine is characterized in that a belt clamping type seedling taking mode is adopted, seedlings are pulled out from a seedling raising tray 3 and conveyed to each row through a belt, and when the seedlings reach the top end of the belt, the seedlings fall into a field after being thrown out, and planting operation is completed: the operation speed is high, the ordered in-line seedling throwing can be realized, the auxiliary labor is more, the overall efficiency is not high, the requirements on the seedling and soil preparation quality are high, and the influence of strong wind is serious. Therefore, there is an urgent need to develop a seedling-throwing machine for realizing high-speed and accurate planting operation.
Disclosure of Invention
In view of the above, the invention provides a seedling throwing machine, which solves the problems of accurate positioning and accurate conveying of a seedling tray, ensures the accuracy of seedling supply, realizes high-speed and accurate planting operation, and ensures the effect of the planting operation.
On one hand, the invention provides a seedling throwing machine, which comprises a travelling mechanism and a seedling throwing assembly, wherein the seedling throwing assembly is arranged behind the travelling mechanism, a conveying mechanism, a seedling pulling mechanism and a seedling guide device are arranged above the seedling throwing assembly, the seedling pulling mechanism is arranged at the tail end of the conveying mechanism, the seedling guide device is arranged below the seedling pulling mechanism, the conveying mechanism conveys a seedling tray to the seedling pulling mechanism, and the seedling pulling mechanism pulls out seedlings in the seedling tray and conveys the seedlings to the seedling guide device to realize the seedling throwing.
In order to solve the problems of accurate positioning and accurate conveying of a seedling tray and ensure the accuracy of seedling supply, in a further technical scheme, the conveying mechanism comprises a front roller, a rear roller and a grid-shaped chain, the grid-shaped chain is wound on the front roller and the rear roller, and grid rods with ordered intervals are arranged on the grid-shaped chain.
In order to solve the problems of accurate positioning and accurate conveying of seedling trays and ensure the seedling supply accuracy, in a further technical scheme, the diameter of a front roller is smaller than that of a rear roller, a tray is arranged below a grid-shaped chain on the upper layer and is obliquely arranged, and a seedling tray storage rack is arranged below the grid-shaped chain on the lower layer.
In order to solve the problems of accurate positioning and accurate conveying of a seedling tray and ensure the seedling supply accuracy, in a further technical scheme, the seedling pulling mechanism comprises a seedling pulling mechanism bracket, a cam disc, a seedling separating grid plate and a roller; the cam disc and the seedling-separating grid plate are fixed on the seedling-pulling mechanism bracket, the roller is rotatably arranged on the seedling-pulling mechanism bracket, the seedling-separating grid plate is positioned above the upper-layer grid-shaped chain, the cam disc is sleeved on a roller shaft, and the roller shaft can rotate relative to the cam disc;
the seedling clamping assembly comprises a sliding rod, at least two clamping plate sliding sleeves and at least two return springs, the clamping plate sliding sleeves are mounted on the sliding rod at intervals, the tail end of the sliding rod is provided with a roller, the roller abuts against a cam disc, and the return springs are mounted between two adjacent clamping plate sliding sleeves and between the clamping plate sliding sleeves and the roller; the clamping plate sliding sleeve is matched with the fixing plate to clamp seedlings; the fixing plate is made of elastic material, and an elastic gasket is arranged on the splint sliding sleeve.
In order to realize automatic interval seedling pulling, the seedling pulling device comprises at least two seedling clamping assemblies, wherein each seedling clamping assembly is uniformly arranged on a roller, and clamping plate sliding sleeves in all the seedling clamping assemblies are arranged on the outer surface of the roller in a staggered and spiral mode to realize interval seedling pulling.
Furthermore, the seedling guide device comprises a spacing hopper and guide pipes, the guide pipes are connected with the lower portion of the spacing hopper, the spacing hopper is located below the roller, and the number of the guide pipes is equal to the number of the clamping plate sliding sleeves in each seedling clamping assembly.
In order to clear away the soil on the seedling tray, in a further technical scheme, the seedling throwing assembly comprises a seedling cleaning device, the seedling cleaning device is arranged at the tail end of the conveying mechanism and is positioned below the seedling pulling mechanism, and the seedling cleaning device is used for cleaning the seedling tray after the seedlings are pulled out; the seedling cleaning device comprises a seedling cleaning shaft and a seedling cleaning plate, and the seedling cleaning plate is fixed on the seedling cleaning shaft.
Furthermore, the seedling throwing assembly comprises a transmission mechanism, the transmission mechanism comprises a driving device, a seedling conveying wheel, a seedling pulling wheel, a seedling cleaning wheel, a first middle wheel, a second middle wheel and a third middle wheel, the seedling conveying wheel is connected with the rear roller, the seedling pulling wheel is connected with the roller shaft, and the seedling cleaning wheel is connected with the seedling cleaning shaft; the second intermediate wheel and the third intermediate wheel are sleeved on the roller shaft, the first intermediate wheel is respectively meshed with the seedling conveying wheel and the second intermediate wheel, the driving device drives the seedling pulling wheel to rotate, and the seedling pulling wheel drives the seedling conveying wheel to rotate through the first intermediate wheel and the second intermediate wheel; the seedling pulling wheel drives the seedling cleaning wheel to rotate through the third intermediate wheel.
In order to solve the problems that the planting depth is shallow and the field planting is not firm, when a seedling thrower passes by the side next time, the phenomenon of mud blocking and water flushing is easily caused, seedlings planted at the previous time are flushed or run away, and the operation quality is influenced, in the further technical scheme, a mud blocking prevention device is installed at the bottom of the seedling throwing assembly and comprises a plurality of ridging dragging boxes which are arranged at intervals and a grooving plate which is positioned between every two adjacent ridging dragging boxes, the grooving plate enables seedling grooves to be formed at the seedling falling positions of paddy fields, and the ridging dragging boxes dredge muddy water in the front and form soft mud ridge platforms by passing between every two adjacent ridging dragging boxes and filling the seedling grooves.
Furthermore, comprises two sets of seedling throwing assemblies which are arranged in a left-right symmetrical manner.
Compared with the prior art, the seedling throwing machine has the beneficial effects that:
1. the grid-shaped drum-type conveying mechanism is adopted, so that the accurate positioning and accurate conveying of the seedling raising tray are realized, and the seedling supply accuracy is ensured. The single-roller clamp type seedling pulling mechanism with spiral arrangement is adopted, automatic interval seedling pulling is realized, and the plant spacing adjustment is realized by changing the different matching of the seedling pulling speed and the advancing speed. The adoption of the mud-blocking prevention device ensures reasonable planting depth and ensures the effect of planting operation. Adopts the seedling cleaning device to clean the soil on the seedling tray. The invention realizes the high-speed and accurate planting operation of the seedling throwing machine and ensures the effect of the planting operation.
2. The performance index of the seedling throwing machine meets the agricultural production requirement, is suitable for a soft plastic seedling tray, and realizes the ordered and accurate throwing planting of rice pot seedlings; compared with other rice pot seedling operation seedling throwers, the rice pot seedling thrower has the advantages of obviously improved operation quality, cost saving and obvious yield increasing effect. Can give full play to the technical advantages of rice seedling throwing cultivation, and has the advantages of simple structure, light weight, low processing and manufacturing cost, convenient operation, reliable work, little damage to seedling trays and seedlings, high production efficiency, good operation quality and the like.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a perspective view of the rice seedling throwing machine of the present invention;
FIG. 2 is a right side view of FIG. 1;
FIG. 3 is a perspective view of the delivery mechanism of FIG. 1;
FIG. 4 is a schematic structural view of the seedling pulling mechanism shown in FIG. 1;
FIG. 5 is a left side view of FIG. 4;
FIG. 6 is a schematic view of the drum construction of FIG. 4;
FIG. 7 is a cross-sectional view A-A of FIG. 6;
FIG. 8 is a schematic structural view of the seedling cleaning device shown in FIG. 4;
FIG. 9 is a left side view of FIG. 8;
FIG. 10 is a schematic view of the driving mechanism of the rice seedling throwing machine of the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in figure 1, the invention preferably discloses a seedling throwing machine which comprises a travelling mechanism 1 and 2 seedling throwing assemblies 2, wherein the 2 seedling throwing assemblies 2 are arranged behind the travelling mechanism 1 in a left-right symmetrical mode. A conveying mechanism 20, a seedling pulling mechanism 21 and a seedling guide device 22 are arranged above the seedling throwing assembly 2, the seedling pulling mechanism 21 is arranged at the tail end of the conveying mechanism 20, the seedling guide device 22 is arranged below the seedling pulling mechanism 21, the conveying mechanism 20 conveys the seedling tray 3 to the seedling pulling mechanism 21, and the seedling pulling mechanism 21 pulls out seedlings in the seedling tray 3 and sends the seedlings to the seedling guide device 22 for realizing the seedling throwing planting. Is suitable for the soft plastic seedling tray 3 to realize the ordered and accurate throwing planting of the rice pot seedlings; compared with other rice bowl seedling throwing machines, the machine has the advantages of obviously improved operation quality, cost saving and obvious yield increasing effect. Can give full play to the technical advantages of rice seedling throwing cultivation, and has the advantages of simple structure, light weight, low processing and manufacturing cost, convenient operation, reliable work, little damage to the seedling tray 3 and the seedlings, high production efficiency, good operation quality and the like. Realizes high-speed and accurate planting operation, and ensures the effect of the planting operation.
As shown in figure 3, the seedling throwing machine adopts a grid-shaped drum-type conveying mechanism 20, so that the accurate positioning and accurate conveying of the seedling tray 3 are realized, and the seedling supplying accuracy is ensured. The conveying mechanism 20 comprises a front roller 200, a rear roller 201 and a grid-shaped chain 202, wherein the grid-shaped chain 202 is wound on the front roller 200 and the rear roller 201, and grid rods 204 are arranged on the grid-shaped chain 202 at intervals. The diameter of the front roller 200 is smaller than that of the rear roller 201, a tray 203 is arranged below the upper layer grid chain 202, the tray 203 is obliquely arranged, and a seedling tray storage rack 11 is arranged below the lower layer grid chain 202. The seedling tray 3 is placed on the upper layer grid-shaped chain 202, the grid rods 204 on the grid-shaped chain 202 drive the seedling tray 3 to move towards the rear roller 201, and when the seedling tray 3 moves to the lower layer grid-shaped chain 202, the seedling tray 3 automatically drops into the seedling tray storage rack 11. The seedling tray 3 is made of soft plastic, wherein each row has 15 seedlings, can be bent, the seedling tray 3 is wound on the rear roller 201, the seedling tray 3 is bent, the seedlings are loosened, the subsequent seedling pulling operation is facilitated, and the seedling tray 3 and the seedlings have the advantages of small damage, high production efficiency, good operation quality and the like.
As shown in figures 4 to 7, the seedling thrower adopts a spiral arrangement single-roller clamp type seedling pulling mechanism 21 to realize automatic interval seedling pulling, and the plant spacing is adjusted by changing the different matching of the seedling pulling speed and the advancing speed. In order to solve the problems of accurate positioning and accurate conveying of the seedling tray 3 and ensure the seedling supply accuracy, in a further technical scheme, the seedling pulling mechanism 21 comprises a seedling pulling mechanism bracket, a cam disc 212, 16 seedling separating grid plates 211 and a roller 210; the cam disc 212 and the seedling-separating grid plate 211 are fixed on a seedling-pulling mechanism bracket, the roller 210 can be rotatably arranged on the seedling-pulling mechanism bracket, 16 seedling-separating grid plates 211 are positioned above the upper layer grid-shaped chain 202, 15 seedling channels are formed by the 16 seedling-separating grid plates 211, the cam disc 212 is sleeved on the shaft of the roller 210, the cam disc 212 is fixed, and the shaft of the roller 210 can rotate relative to the cam disc 212.
3 seedling clamping assemblies 213 and fixing plates 219 which are arranged at intervals are arranged on the roller 210, the fixing plates 219 are arranged corresponding to the seedling distribution grid plates 211, the seedling clamping assemblies 213 comprise sliding rods 215, 5 clamping plate sliding sleeves 216 and 5 return springs 217, the clamping plate sliding sleeves 216 are arranged on the sliding rods 215 at intervals, rollers 214 are arranged at the tail ends of the sliding rods 215, the rollers 214 abut against the cam disc 212, and the return springs 217 are arranged between two adjacent clamping plate sliding sleeves 216 and between the clamping plate sliding sleeves 216 and the roller 210; the clamping plate sliding sleeve 216 is matched with the fixing plate 219 to clamp the seedlings; the fixing plate 219 is made of an elastic material, and an elastic washer 218 is installed on the splint sliding sleeve 216. The 3 seedling clamping components 213 are uniformly arranged on the roller 210, and 15 clamping plate sliding sleeves 216 in the 3 seedling clamping components 213 are staggered and spirally arranged on the outer surface of the roller 210 to realize interval seedling pulling. The drum 210 rotates 120 degrees, wherein 5 clamp plate sliding sleeves 216 in one clamp plate assembly 213 pull 5 seedlings from the seedling tray 3 in a row at intervals. The roller 210 rotates for a circle, and the 3 seedling clamping assemblies 213 pull out all 15 seedlings in a row of the seedling tray 3 for 3 times, so that automatic seedling pulling at intervals is realized, high-speed and accurate planting operation is realized, and the planting operation effect is ensured.
As shown in fig. 2, the seedling guiding device 22 includes a spacing bucket 220 and 5 guide pipes 221, wherein the 5 guide pipes 221 are connected with the lower part of the spacing bucket 220, and the spacing bucket 220 is positioned below the roller 210. The spirally arranged single-roller clamp type seedling pulling mechanism 21 pulls out 5 seedlings each time and places the seedlings in the spacing hopper 220 to fall into a rice field through 5 guide pipes 221, so that automatic spacing seedling pulling and high-speed and accurate planting operation are realized, and the planting operation effect is ensured.
As shown in fig. 8 and 9, in order to remove the soil on the seedling tray 3, in a further technical scheme, the seedling-throwing assembly 2 comprises a seedling-cleaning device 24, the seedling-cleaning device 24 is arranged at the tail end of the conveying mechanism 20 and is positioned below the seedling-pulling mechanism 21, and the seedling-cleaning device 24 is used for cleaning the seedling tray 3 after the seedlings are pulled out; the seedling cleaning device 24 comprises a seedling cleaning shaft 240 and a seedling cleaning plate 241, and the seedling cleaning plate 241 is fixed on the seedling cleaning shaft 240. The seedling tray 3 which is cleaned of mud automatically falls into the seedling tray storage rack 11, which is beneficial to the subsequent reuse of the seedling tray 3.
As shown in fig. 4 and 10, the seedling-throwing assembly 2 comprises a transmission mechanism, the transmission mechanism comprises a driving device 10, a seedling conveying wheel 5, a seedling pulling wheel 4, a seedling cleaning wheel 6, a first intermediate wheel 7, a second intermediate wheel 8 and a third intermediate wheel 9, the seedling conveying wheel 5 is connected with a rear roller 201, the seedling pulling wheel 4 is connected with a roller 210 shaft, and the seedling cleaning wheel 6 is connected with a seedling cleaning shaft 240; a second intermediate wheel 8 and a third intermediate wheel 9 are sleeved on the shaft of the roller 210, a first intermediate wheel 7 is respectively meshed with the seedling conveying wheel 5 and the second intermediate wheel 8, a driving device 10 drives the seedling pulling wheel 4 to rotate through a belt, and the seedling pulling wheel 4 drives the seedling conveying wheel 5 to rotate through the first intermediate wheel 7 and the second intermediate wheel 8; the seedling pulling wheel 4 drives the seedling cleaning wheel 6 to rotate through a third intermediate wheel 9.
As shown in fig. 2, in order to solve the problems of shallow planting depth and unstable field planting, when the next seedling throwing machine passes by, mud blocking and water flushing are easily caused, the seedlings planted at the previous time are flushed or run away, and the operation quality is affected, in the further technical scheme, the bottom of the seedling throwing assembly 2 is provided with the mud blocking prevention device 23, the mud blocking prevention device 23 comprises a plurality of ridge forming drag boxes 230 which are arranged at intervals and a slotting plate which is positioned between every two adjacent ridge forming drag boxes 230, the slotting plate enables the seedling grooves to be formed at the seedling falling positions of the paddy field, the seedlings fall into the seedling grooves, the ridge forming drag boxes 230 dredge the mud water in the front to pass between every two adjacent ridge forming drag boxes 230 and fill the seedling grooves to form soft mud ridge platforms, and the planting depth and the planting operation effect are ensured.
The invention adopts the grid-shaped drum-type conveying mechanism 20, solves the problems of accurate positioning and accurate conveying of the seedling raising tray 3 and ensures the seedling supply accuracy. The single-roller clamp type seedling pulling mechanism 21 with spiral arrangement realizes automatic seedling pulling at intervals, and realizes plant spacing adjustment by changing different matching of seedling pulling speed and advancing speed. The adoption of the anti-mud-blocking device 23 ensures reasonable planting depth and ensures the effect of planting operation. The seedling cleaning device 24 is adopted to clean soil of the seedling tray 3. The invention realizes the high-speed and accurate planting operation of the seedling throwing machine and ensures the effect of the planting operation.
The techniques not described above are common general knowledge of the skilled person. The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (10)

1. A seedling throwing machine comprises a travelling mechanism (1) and a seedling throwing assembly (2), wherein the seedling throwing assembly (2) is installed behind the travelling mechanism (1), and is characterized in that a conveying mechanism (20), a seedling pulling mechanism (21) and a seedling guide device (22) are installed above the seedling throwing assembly (2), the seedling pulling mechanism (21) is installed at the tail end of the conveying mechanism (20), the seedling guide device (22) is installed below the seedling pulling mechanism (21), the conveying mechanism (20) conveys a seedling tray (3) to the seedling pulling mechanism (21), and the seedling pulling mechanism (21) pulls out seedlings in the seedling tray (3) and conveys the seedlings to the seedling guide device (22) to realize seedling throwing.
2. The seedling thrower according to claim 1, characterized in that the conveying mechanism (20) comprises a front roller (200), a rear roller (201), a grid-shaped chain (202), wherein the grid-shaped chain (202) is wound on the front roller (200) and the rear roller (201), and grid rods (204) are arranged on the grid-shaped chain (202) at intervals.
3. The seedling thrower according to claim 2, characterized in that the diameter of the front drum (200) is smaller than that of the rear drum (201), a tray (203) is installed below the grate-like chain (202) on the upper layer, the tray (203) is installed obliquely, and a seedling tray storage rack (11) is installed below the grate-like chain (202) on the lower layer.
4. The seedling thrower according to claim 2, characterized in that the seedling pulling mechanism (21) comprises a seedling pulling mechanism bracket, a cam disc (212), a seedling separating grid plate (211) and a roller (210); the cam disc (212) and the seedling-separating grid plate (211) are fixed on a seedling-pulling mechanism bracket, the roller (210) is rotatably arranged on the seedling-pulling mechanism bracket, the seedling-separating grid plate (211) is positioned above the upper layer grid-shaped chain (202), the cam disc (212) is sleeved on the shaft of the roller (210), and the shaft of the roller (210) can rotate relative to the cam disc (212);
at least one seedling clamping assembly (213) and fixing plates (219) which are arranged at intervals are arranged on a roller (210), the fixing plates (219) are arranged corresponding to seedling distribution grid plates (211), the seedling clamping assembly (213) comprises sliding rods (215), at least two clamping plate sliding sleeves (216) and at least two return springs (217), the clamping plate sliding sleeves (216) are arranged on the sliding rods (215) at intervals, rollers (214) are arranged at the tail ends of the sliding rods (215), the rollers (214) abut against cam disks (212), and the return springs (217) are arranged between two adjacent clamping plate sliding sleeves (216) and between the clamping plate sliding sleeves (216) and the roller (210); the clamping plate sliding sleeve (216) is matched with the fixing plate (219) to clamp seedlings; the fixing plate (219) is made of elastic material, and an elastic gasket (218) is arranged on the splint sliding sleeve (216).
5. The seedling thrower according to claim 4, characterized by comprising at least two seedling clamping assemblies (213), wherein each seedling clamping assembly (213) is uniformly arranged on the roller (210), and the clamping plate sliding sleeves (216) in all the seedling clamping assemblies (213) are spirally arranged on the outer surface of the roller (210) in a staggered manner to realize interval seedling pulling.
6. The seedling thrower according to claim 5, characterized in that the seedling guide device (22) comprises spacing buckets (220) and guide pipes (221), the guide pipes (221) are connected below the spacing buckets (220), the spacing buckets (220) are positioned below the rollers (210), and the number of the guide pipes (221) is equal to the number of the clamping plate sliding sleeves (216) in each seedling clamping assembly (213).
7. A seedling throwing machine according to claim 4, characterized in that the seedling throwing assembly (2) comprises a seedling cleaning device (24), the seedling cleaning device (24) is arranged at the tail end of the conveying mechanism (20) and is positioned below the seedling pulling mechanism (21), and the seedling cleaning device (24) is used for cleaning a seedling tray (3) after the seedlings are pulled out; the seedling cleaning device (24) comprises a seedling cleaning shaft (240) and a seedling cleaning plate (241), and the seedling cleaning plate (241) is fixed on the seedling cleaning shaft (240).
8. The seedling thrower according to claim 7, characterized in that the seedling thrower assembly (2) comprises a transmission mechanism, the transmission mechanism comprises a driving device (10), a seedling conveying wheel (5), a seedling pulling wheel (4), a seedling cleaning wheel (6), a first intermediate wheel (7), a second intermediate wheel (8) and a third intermediate wheel (9), the seedling conveying wheel (5) is connected with the rear roller (201), the seedling pulling wheel (4) is connected with the shaft of the roller (210), and the seedling cleaning wheel (6) is connected with the seedling cleaning shaft (240); a second intermediate wheel (8) and a third intermediate wheel (9) are sleeved on a roller (210) shaft, a first intermediate wheel (7) is respectively meshed with the seedling conveying wheel (5) and the second intermediate wheel (8), a driving device (10) drives the seedling pulling wheel (4) to rotate, and the seedling pulling wheel (4) drives the seedling conveying wheel (5) to rotate through the first intermediate wheel (7) and the second intermediate wheel (8); the seedling pulling wheel (4) drives the seedling cleaning wheel (6) to rotate through a third intermediate wheel (9).
9. The seedling thrower according to claim 8, characterized in that a mud block prevention device (23) is installed at the bottom of the seedling thrower assembly (2), the mud block prevention device (23) comprises a plurality of ridging dragging boxes (230) which are arranged at intervals and a slotting plate (231) which is arranged between two adjacent ridging dragging boxes (230), the slotting plate (231) enables seedling troughs to be formed at seedling falling positions of paddy fields, and the ridging dragging boxes (230) dredge forward muddy water to pass between two adjacent ridging dragging boxes (230) and fill the seedling troughs to form soft mud ridge platforms.
10. A seedling thrower according to any one of claims 9, characterized by comprising two sets of seedling thrower assemblies (2), the two sets of seedling thrower assemblies (2) being arranged in bilateral symmetry.
CN202210253854.5A 2022-03-15 2022-03-15 Seedling throwing machine Pending CN114568082A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210253854.5A CN114568082A (en) 2022-03-15 2022-03-15 Seedling throwing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210253854.5A CN114568082A (en) 2022-03-15 2022-03-15 Seedling throwing machine

Publications (1)

Publication Number Publication Date
CN114568082A true CN114568082A (en) 2022-06-03

Family

ID=81775499

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210253854.5A Pending CN114568082A (en) 2022-03-15 2022-03-15 Seedling throwing machine

Country Status (1)

Country Link
CN (1) CN114568082A (en)

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