Spacing-adjustable rice seeding and seedling raising machine
By designing isometric adjustment components and negative pressure adsorption technology in the rice seedling breeder, the problem of seed waste in the existing technology is solved, precisely controlled sowing is achieved, seed waste is reduced, and sowing efficiency is improved.
Patent Information
- Application Number
- CN202422386733.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-29
- Publication Date
- 2025-07-29
- Estimated Expiration
- 2034-09-29
AI Technical Summary
The existing rice seedling breeders use dumping method to sow seeds in the sowing process on the assembly line, resulting in serious waste of seeds and it is impossible to achieve equidistant precise sowing according to the change in the length of the seedling tray.
A rice seedling breeder including the seedling main body and an isometric adjustment component was designed. By driving the motor to drive the distance adjustment lead screw to rotate, change the spacing between the suction cup strips, and quantitatively adsorb seeds with negative pressure to achieve accurate sowing.
The sowing spacing is adjustable, which reduces seed waste, and precisely controlled volume sowing and saves seed use.
Smart Images

Figure CN223157597U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the technical field of sowing and seedling raising machines, and more specifically, to a rice sowing and seedling raising machine with adjustable spacing. Background Technique
[0002] With the continuous adjustment of the rural industrial structure, farmers' requirements for the mechanization of rice planting are becoming more and more urgent; with the popularization and application of rice transplanters, standardized seedling raising is the key to realizing mechanized rice seedling raising.
[0003] In the related art, in order to solve the problem that the seedling raising method cannot meet the needs of the modern agricultural production mode of large-scale, market-oriented and farm-oriented, the patent with the publication number CN204907066U in the prior art provides a rice seedling raising and sowing machine, including a front frame, a seedling tray conveying device, a soil spreading device, a soil spreading motor, a rear frame, a watering device, a sowing device, a soil covering device, a soil covering motor, and an auxiliary frame. The front frame, the rear frame and the auxiliary frame are fixedly connected in sequence to form the support frame of the sowing machine; a seedling tray conveying device and a soil spreading device are fixedly arranged on the front frame in sequence, and the soil spreading device is driven by the soil spreading motor; a watering device, a sowing device and a soil covering device are fixedly arranged on the rear frame in sequence, and the soil covering device is driven by the soil covering motor.
[0004] Although the above-mentioned prior art solution forms a compact multi-functional integrated production line effect by setting a multi-functional combined split structure and combining each function skillfully, in the sowing link of the existing rice sowing and seedling raising machine production line, most of them use the dumping method to scatter seeds in sheets. Too many seeds are scattered on the seedling tray each time, and it is impossible to achieve equidistant and accurate sowing according to the length change of the seedling tray, resulting in a large waste of seeds.
[0005] In view of this, we propose a rice sowing and seedling raising machine with adjustable spacing. Content of the Utility Model
[0006] The purpose of this application is to provide a rice sowing and seedling raising machine with adjustable spacing, which solves the technical problem that in the sowing link of the existing rice sowing and seedling raising machine production line, most of them use the dumping method to scatter seeds in sheets. Too many seeds are scattered on the seedling tray each time, and it is impossible to achieve equidistant and accurate sowing according to the length change of the seedling tray, resulting in a large waste of seeds, and realizes the technical effects of adjustable sowing spacing, accurate quantitative sowing, and saving the use of seeds.
[0007] The present application provides a rice seeding and nursing machine with adjustable spacing, including a main body for seeding the nursing machine and an equidistant adjustment component. The main body for seeding the nursing machine includes a tray conveyor frame, and a seeding frame is fixedly arranged at the top of the tray conveyor frame. A group of air blowers is arranged at the top of the seeding frame, and a control box is arranged inside the seeding frame. A pushing component is arranged below the control box inside the seeding frame. The pushing component includes a slide rail, a fixing plate, and an electric push rod. The equidistant adjustment component is slidably arranged on the slide rail by pulling with the electric push rod. The equidistant adjustment component includes a supporting concave frame, and an adjustable distance lead screw is rotatably arranged inside the supporting concave frame. A driving motor is arranged on one side of the supporting concave frame, and the driving end of the driving motor drives the adjustable distance lead screw to rotate. A fixing rod is arranged in parallel below the adjustable distance lead screw, and both sides of the fixing rod are fixedly connected to both ends inside the supporting concave frame. A fixed block is arranged in the middle of the fixing rod, and sliding blocks are equally arranged on both sides of the fixing rod. A suction cup strip is arranged at the bottom end of the sliding block, and a shifting rod is arranged at the top end of the sliding block.
[0008] Preferably, suction nozzles are evenly arranged at the bottom end of the suction cup strip.
[0009] Preferably, spiral grooves are symmetrically arranged inside the adjustable distance lead screw, and the shifting rod slides in the spiral grooves inside the adjustable distance lead screw.
[0010] Preferably, pulley components are symmetrically arranged on both sides of the supporting concave frame, and the number of pulley components is four. The pulley components slide inside the slide rail.
[0011] Preferably, an air inlet is arranged on the back of the suction cup strip. The air output end of the air blower is connected to a main air pipe, and the main air pipe is connected to a shunt pipe, and the shunt pipes are respectively connected to the air inlets.
[0012] Preferably, one side of the fixing plate is fixedly connected to the seeding frame, the bottom end of the fixing plate is connected to the slide rail through a support seat, and the driving end of the slide rail is connected to the top end of the supporting concave frame.
[0013] Preferably, a track plate is arranged on the tray conveyor frame on one side of the seeding frame, and a seed box is slidably arranged inside the two track plates.
[0014] Preferably, a chain rod conveyor belt is adopted inside the tray conveyor frame.
[0015] One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
[0016] (1) In this application, an equidistant adjustment component is provided. When the driving motor starts, it drives the pitch adjustment lead screw to rotate. The lever will drive the sliding block to slide on the fixed rod under the drive of the rotating groove. The main movement is centered on the fixed block, with the two sides converging towards the center or dispersing equidistantly, thereby changing the distance between the suction cup strips, adjusting the sowing distance according to the size of the lower material tray. The suction nozzle quantitatively adsorbs seeds under negative pressure and then accurately sows the seeds in the material tray, achieving precise use of seeds and reducing waste of seeds.
[0017] (2) In this application, a pushing component is provided. When the electric push rod starts, it drives the pulley components on both sides of the entire suction cup strip to slide on the slide rail, moves from the sowing frame to above the seed box to adsorb seeds, and then pushes them into the sowing frame for precise sowing. The electric push rod drives the suction cup strip to achieve material suction and feeding through reciprocating motion. Description of the Drawings
[0018] Figure 1 is the first three-dimensional structure schematic diagram of the present utility model;
[0019] Figure 2 is the second three-dimensional structure schematic diagram of the present utility model;
[0020] Figure 3 is the three-dimensional structure schematic diagram of the equidistant adjustment component of the present utility model;
[0021] Figure 4 is the three-dimensional structure schematic diagram of the bottom view of the suction cup of the present utility model;
[0022] Explanation of the reference numerals in the figure: 100, main body of the seedling raising machine for sowing; 110, material tray conveying frame; 111, sowing frame; 112, fan; 113, control box; 120, track plate; 121, seed box; 200, pushing component; 210, slide rail; 211, fixing plate; 212, electric push rod; 300, equidistant adjustment component; 310, support concave frame; 311, pitch adjustment lead screw; 312, driving motor; 313, fixed rod; 314, pulley component; 315, lever; 316, suction nozzle; 317, suction cup strip; 318, sliding block. Detailed Embodiments
[0023] The following further elaborates on this application in detail with reference to the drawings of the specification.
[0024] Embodiment 1
[0025] Please refer to Figures 1-4, an embodiment provided by the present utility model: a rice seeding and nursery-raising machine with adjustable spacing, including a seeding main body 100 of the nursery-raising machine and an equidistant adjustment component 300. The seeding main body 100 of the nursery-raising machine includes a tray conveying frame 110. A seeding frame 111 is fixedly arranged at the top of the tray conveying frame 110. A group of air blowers 112 are arranged at the top of the seeding frame 111. A control box 113 is arranged inside the seeding frame 111. A pushing component 200 is arranged below the control box 113 inside the seeding frame 111. The pushing component 200 includes a slide rail 210, a fixing plate 211 and an electric push rod 212. The equidistant adjustment component 300 is slidably arranged on the slide rail 210 by pulling with the electric push rod 212. The equidistant adjustment component 300 includes a supporting concave frame 310. An adjusting screw 311 is rotatably arranged inside the supporting concave frame 310. A driving motor 312 is arranged on one side of the supporting concave frame 310. The driving end of the driving motor 312 drives the adjusting screw 311 to rotate. A fixing rod 313 is arranged in parallel below the adjusting screw 311, and both sides of the fixing rod 313 are fixedly connected to both ends inside the supporting concave frame 310. A fixed block is arranged in the middle of the fixing rod 313, and sliding blocks 318 are equally arranged on both sides of the fixing rod 313. A suction cup strip 317 is arranged at the bottom end of the sliding block 318. A dial rod 315 is arranged at the top end of the sliding block 318. Suction nozzles 316 are evenly arranged at the bottom end of the suction cup strip 317. Spiral grooves are symmetrically arranged inside the adjusting screw 311, and the dial rod 315 slides in the spiral grooves inside the adjusting screw 311. The seeding main body 100 of the nursery-raising machine is the seeding link of the entire seeding and nursery-raising machine production line, and soil covering equipment is docked at the front and back. (Refer to Figure 2 and 3 ) When the driving motor 312 starts, it will drive the adjusting screw 311 to rotate. The dial rod 315 will drive the sliding block 318 to slide on the fixing rod 313 under the drive of the spiral groove. The main movement is to converge towards the center or disperse equidistantly on both sides with the fixed block as the central reference, so as to change the spacing between the suction cup strips 317, adjust the seeding spacing according to the size of the tray below, and the suction nozzles 316 quantitatively adsorb seeds through negative pressure and then accurately sow the seeds in the tray, realizing the precise use of seeds and reducing the waste of seeds.
[0026] Furthermore, an air inlet is arranged on the back of the suction cup strip 317. The air delivery end of the air blower 112 is connected with a main air pipe, and the main air pipe is connected with a shunt pipe, and the shunt pipes are respectively connected with the air inlets.
[0027] Further, one side of the fixed plate 211 is fixedly connected to the sowing frame 111. The bottom end of the fixed plate 211 is connected with a slide rail 210 through a support base. The driving end of the slide rail 210 is connected to the top end of the support concave frame 310. Pulley members 314 are symmetrically arranged on both sides of the support concave frame 310, and the number of the pulley members 314 is four. The pulley members 314 slide inside the slide rail 210. A track plate 120 is arranged on the tray conveyor frame 110 on one side of the sowing frame 111. A seed box 121 is slidably arranged inside the two track plates 120. (Refer to Figure 1 ) When the electric push rod 212 is started, the pulley members 314 on both sides of the entire suction cup strip 317 are driven to slide on the slide rail 210, move from the sowing frame 111 to above the seed box 121, adsorb seeds, and then push them into the sowing frame 111 for precise sowing.
[0028] Further, a link conveyor belt is adopted inside the tray conveyor frame 110. (Refer to Figure 1 ) The dropped seeds can easily fall through the gaps between the rods into the recycling box, which can save the use of seeds.
[0029] In summary, when the rice seeding and nursing machine with adjustable spacing disclosed in the embodiment of the present application is in use, when the driving motor 312 is started, it will drive the distance-adjusting lead screw 311 to rotate. The shift lever 315 will drive the sliding block 318 to slide on the fixed rod 313 under the drive of the rotation groove. It mainly shows a movement of converging to the center or evenly dispersing from the center on both sides with the fixed block as the central reference, so as to change the spacing between the suction cup strips 317, so that the sowing spacing is adjusted according to the size of the lower tray. The suction nozzle member 316 adsorbs seeds quantitatively through negative pressure, and then accurately sows the seeds in the tray, realizing the precise use of seeds and reducing the waste of seeds. When the electric push rod 212 is started, the pulley members 314 on both sides of the entire suction cup strip 317 are driven to slide on the slide rail 210, move from the sowing frame 111 to above the seed box 121, adsorb seeds, and then push them into the sowing frame 111 for precise sowing.
[0030] The standard parts used in the present utility model can all be purchased from the market. The special-shaped parts can be customized according to the records in the specification and the drawings. The specific connection methods of each part all adopt conventional means such as bolts, rivets, and welding that are mature in the prior art. The machines, parts, and equipment all adopt conventional models in the prior art. Coupled with the circuit connection adopting the conventional connection method in the prior art, it will not be described in detail here. The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.
[0031] Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. A rice seeding and seedling raising machine with adjustable spacing, characterized in that: include The main body (100) of the seedling raising machine for sowing, the main body (100) of the seedling raising machine for sowing includes a tray conveying frame (110), a sowing frame (111) is fixedly arranged at the top of the tray conveying frame (110), a group of air blowers (112) are arranged at the top of the sowing frame (111), a control box (113) is arranged inside the sowing frame (111), and a pushing component (200) is arranged below the control box (113) inside the sowing frame (111). The pushing component (200) includes a slide rail (210), a fixing plate (211) and an electric push rod (212). An equidistant adjusting component (300), the equidistant adjusting component (300) is slidably arranged on the slide rail (210) by pulling of the electric push rod (212). The equidistant adjusting component (300) includes a supporting concave frame (310), an adjusting screw rod (311) is rotatably arranged inside the supporting concave frame (310), a driving motor (312) is arranged on one side of the supporting concave frame (310), the driving end of the driving motor (312) drives the adjusting screw rod (311) to rotate. A fixing rod (313) is arranged in parallel below the adjusting screw rod (311), and both sides of the fixing rod (313) are fixedly connected to both ends inside the supporting concave frame (310). A fixed block is arranged in the middle of the fixing rod (313), and sliding blocks (318) are arranged in equal amounts on both sides of the fixing rod (313). A suction cup strip (317) is arranged at the bottom end of the sliding block (318), and a shifting rod (315) is arranged at the top end of the sliding block (318).
2. The adjustable-spacing rice seeding and seedling-raising machine according to claim 1, characterized in that: Suction nozzles (316) are evenly arranged at the bottom end of the suction cup strip (317).
3. The rice seeding and seedling raising machine with adjustable spacing according to claim 1, characterized in that: Spiral grooves are symmetrically arranged inside the adjusting screw rod (311), and the shifting rod (315) slides in the spiral grooves inside the adjusting screw rod (311).
4. The rice seeding and nursery-raising machine with adjustable spacing according to claim 1, characterized in that: Pulley components (314) are symmetrically arranged on both sides of the supporting concave frame (310), and the number of the pulley components (314) is four. The pulley components (314) slide inside the slide rail (210).
5. The adjustable-spacing rice seeding and seedling-raising machine according to claim 1, wherein: An air inlet is arranged on the back of the suction cup strip (317). The air outlet end of the air blower (112) is connected with a main air pipe, and the main air pipe is connected with a shunt pipe. The shunt pipes are respectively connected with the air inlets.
6. The rice seeding and nursery raising machine with adjustable spacing according to claim 1, characterized in that: One side of the fixing plate (211) is fixedly connected with the sowing frame (111). The bottom end of the fixing plate (211) is connected with the slide rail (210) through a supporting seat. The driving end of the slide rail (210) is connected with the top end of the supporting concave frame (310).
7. The adjustable-spacing rice seeding and seedling raising machine according to claim 1, wherein: A track plate (120) is arranged on the tray conveying frame (110) on one side of the sowing frame (111). A seed box (121) is slidably arranged inside the two track plates (120).
8. The adjustable-spacing rice seeding and seedling-raising machine according to claim 1, characterized in that: A chain rod conveyor belt is adopted inside the tray conveying frame (110).
Citation Information
Patent Citations
Paddy rice seedling -cultivation sowing machine
CN204907066U
Cited By
Qilian juniperus przewalskii seedling cultivation device and cultivation method
CN121420805A