WO2024031918A1

WO2024031918A1 - Automatic falling type seedling-throwing structure

Info

Publication number: WO2024031918A1
Application number: PCT/CN2022/142107
Authority: WO
Inventors: 胡承朋
Original assignee: 深圳耐保创新科技有限公司
Priority date: 2022-08-11
Filing date: 2022-12-26
Publication date: 2024-02-15
Also published as: CN115349332A

Abstract

Disclosed in the present invention is an automatic falling type seedling-throwing structure, comprising a screw rod, fixing seats configured to drive the screw rod to rotate forwards and backwards, a guide rail arranged parallel to the screw rod, sliding blocks sliding along the guide rail, telescopic mechanisms and a transverse rod, wherein several clamping mechanisms are arranged at intervals on the transverse rod, and are configured to pick and place seedlings; one end of each of the telescopic mechanisms is connected to the transverse rod, and the other end thereof is connected to one sliding block; the telescopic mechanisms control the transverse rod to move back and forth in a Y-axis direction; and the screw rod controls the sliding blocks and the telescopic mechanisms to move back and forth in an X-axis direction. The automatic falling type seedling-throwing structure has the advantages of having few parts and long service life, and a power source driving the present invention to move to suspend in the air, and therefore the present invention does not come into contact with field soil, is not easily damaged, has high efficiency, can be applicable to large-area fields, and can also be applicable to small-area fields.

Description

A self-falling seedling-throwing structure

Technical field

The invention relates to the technical field of automatic rice seedling throwing, in particular to a self-falling rice seedling throwing structure.

Background technique

At present, most of the rural areas in our country still throw out the rice seedlings manually. Compared with manual rice transplanting, manual rice throwing improves the efficiency and reduces the labor intensity. There are also some shortcomings when manually throwing out the rice seedlings. After the rice seedlings are thrown, the spacing between the seedlings is uneven. Qi, in some places with deep water, the seedlings will still float on the water.

technical problem

In order to solve the above problems, various rice transplanters and rice throwers have appeared. However, the structures of current rice transplanters and rice throwers are particularly complex and have many parts. Some parts need to be in contact with farmland and are prone to failure. It is inconvenient to repair and relatively large in size.

Technical solutions

The purpose of the present invention is to overcome the defects of the prior art and provide a self-falling seedling throwing structure.

In order to achieve the above object, the present invention adopts the following technical solution: a self-falling seedling throwing structure, including a screw, a fixed seat for driving the screw to rotate forward and reverse, a guide rail arranged parallel to the screw, and a slider that slides along the guide rail. Block, telescopic mechanism and cross bar; the cross bar is provided with a plurality of clamping mechanisms alternately, the clamping mechanism is used to pick up and place the seedlings, one end of the telescopic mechanism is connected to the cross bar, and the other end is connected to the slider, so The telescopic mechanism controls the crossbar to move back and forth along the Y-axis direction, and the screw controls the slider and the telescopic mechanism to move back and forth along the X-axis direction.

A preferred solution is that the telescopic mechanism includes two electric cylinders arranged in parallel, and the two ends of the cross bar are respectively connected to the telescopic rods of the electric cylinder.

A preferred solution is to provide limiting structures at both ends of the guide rail, and the telescopic mechanism moves back and forth between the two limiting structures along with the slider.

A preferred solution is that the cross bar is provided with a plurality of fixing holes alternately, and the clamping mechanism is connected to the fixing holes through provided fasteners.

A preferred solution is that the surface of the crossbar is provided with a scale.

A preferred solution is that the self-falling seedling throwing structure also includes a seedling conveying mechanism, the seedling conveying mechanism is used to convey the seedling tray, the seedling conveying mechanism is arranged on the opposite side of the cross bar, the seedling conveying mechanism A space for the seedlings to automatically fall is formed between it and the crossbar.

A preferred solution is that the seedling conveying mechanism includes a conveyor belt, and a support rod disposed between the conveyor belt and the cross bar. The support rod is used to support the front end of the seedling tray, and the conveyor belt is provided with a positioning device for positioning the seedling tray. Positioning structure.

A preferred solution is that a windshield is provided on the lower side of the seedling automatic falling space. The windshield is a hollow square structure, and the seedlings on the clamping mechanism fall from the windshield to the field.

A preferred solution is that the self-falling seedling throwing structure also includes an air pressure device. The air pressure device includes a hollow tube, a gland arranged directly above the hollow tube, and a control gland that controls the gland to cover the top of the hollow tube. Lifting mechanism, the number of hollow tubes and glands is equal to the number of clamping mechanisms respectively. The hollow tube has a trumpet-shaped structure. The bottom of the hollow tube is small and the top is large. The gland is located on the clamping mechanism. There is a trachea connected to the top, and the hollow tube is located below the clamping mechanism. The seedlings clamped by the clamping mechanism are placed in the hollow tube. The lifting mechanism controls the gland to close with the hollow tube cover. The air pressure in the trachea will make the hollow tube The seedlings in the tube are driven into the field.

A preferred solution is that the clamping mechanism is a pneumatic clamp or an electric clamp.

beneficial effects

Compared with the existing technology, the beneficial effects of the present invention are: fewer parts and long service life. The power source drives the present invention to move and hang in the air. The present invention does not come into contact with the field, is not easy to break, has high efficiency, and can be applied to large areas. It can also be applied to small-area fields.

Description of drawings

Figure 1 is a schematic diagram 1 of the present invention;

Figure 2 is a schematic diagram two of the present invention;

Figure 3 is a schematic diagram three of the present invention;

Figure 4 is a schematic diagram 4 of the present invention;

Figure 5 is a schematic diagram of the air pressure device of the present invention;

Figure 6 is a schematic diagram 1 of the seedling transport mechanism in the present invention;

Figure 7 is a schematic diagram two of the seedling transport mechanism in the present invention;

Figure 8 is a schematic diagram three of the seedling transport mechanism in the present invention;

Figure 9 is a schematic diagram 4 of the seedling transport mechanism in the present invention;

Figure 10 is a schematic diagram 5 of the present invention.

Best Mode of Carrying Out the Invention

As shown in Figure 1, a self-falling seedling-throwing structure includes a screw 1, a fixed base 2 for driving the screw 1 to rotate forward and reverse, a guide rail 11 arranged parallel to the screw 1, and a slider that slides along the guide rail 11. Block 12, telescopic mechanism 3 and cross bar 4; the cross bar 4 is provided with a plurality of clamping mechanisms 5 alternately, the clamping mechanism 5 is used to pick up and place the seedlings, one end of the telescopic mechanism 3 is connected to the cross bar 4, The other end is threadedly connected to the slider 12. The telescopic mechanism 3 controls the crossbar 4 to move back and forth along the Y-axis direction. The screw 1 controls the slider 12 and the telescopic mechanism 3 to move back and forth along the X-axis direction.

As shown in Figure 1, the present invention can be installed behind the power source. The power source drives a self-falling seedling throwing structure to move forward.

As shown in Figure 1, the seedling tray 6 is provided with seedling holes 61. The seedling holes 61 are arranged in a matrix on the surface of the seedling tray 6. There are seedlings in the seedling holes 61. Before starting to throw the seedlings, the telescopic mechanism 3 is at the origin position. After starting to throw the seedlings, The telescopic mechanism 3 controls the crossbar 4 to move along the positive direction of the Y-axis. The telescopic mechanism 3 extends. There are multiple clamping mechanisms 5, which can be 4, 6 or 8. Several clamping mechanisms 5 clamp the seedlings respectively. After the clamping mechanism 5 clamps the seedlings, the telescopic mechanism 3 contracts, the clamping mechanism 5 lowers the seedlings, and the seedlings fall to the field, completing the throwing of the seedlings.

As shown in Figure 1, when the clamping mechanism 5 needs to clamp the next seedling, the screw 1 controls the slider 12 and the telescopic mechanism 3 to move one position along the positive direction of the X-axis, and the telescopic mechanism 3 controls the crossbar 4 along the Y-axis. Moving in the positive direction, the telescopic mechanism 3 extends, and several clamping mechanisms 5 clamp the seedlings respectively. After the clamping mechanisms 5 clamp the seedlings, the telescopic mechanism 3 contracts, and the screw 1 controls the telescopic mechanism 3 to move along the negative direction of the X-axis to the origin position. , at the same time, the power source also drives the invention to move forward, the clamping mechanism 5 puts down the seedlings, and the seedlings fall into the field, completing the throwing of the seedlings.

As shown in Figure 1, when the clamping mechanism 5 needs to clamp the next seedling, the screw 1 controls the slider 12 and controls the telescopic mechanism 3 to move two positions along the positive direction of the X-axis, and the telescopic mechanism 3 controls the crossbar 4 to move along the The Y-axis moves in the positive direction, the telescopic mechanism 3 stretches, and several clamping mechanisms 5 clamp the seedlings respectively. After the clamping mechanisms 5 clamp the seedlings, the telescopic mechanism 3 contracts, and the screw 1 controls the telescopic mechanism 3 to move along the negative direction of the X-axis to At the origin position, at the same time, the power source also drives the invention to move forward, the clamping mechanism 5 puts down the seedlings, and the seedlings fall into the field, completing the throwing of the seedlings.

As shown in Figure 1, when the clamping mechanism 5 needs to clamp the next seedling, the screw 1 controls the slider 12 and the telescopic mechanism 3 to move three positions along the positive direction of the X-axis, and the telescopic mechanism 3 controls the crossbar 4 to move along the Y axis. The axis moves in the positive direction, the telescopic mechanism 3 stretches, and several clamping mechanisms 5 clamp the seedlings respectively. After the clamping mechanisms 5 clamp the seedlings, the telescopic mechanism 3 contracts, and the screw 1 controls the telescopic mechanism 3 to move to the origin along the negative direction of the X-axis. position, and at the same time, the power source also drives the invention to move forward, the clamping mechanism 5 puts down the seedlings, and the seedlings fall into the field, completing the throwing of the seedlings.

Repeat this to complete the clamping of the first row of seedlings on the seedling tray 6.

As shown in Figure 1, after the telescopic mechanism 3 returns to the original position, the clamping mechanism 5 throws the seedlings down, so the seedlings are arranged in rows in the field.

As shown in Figure 1, after the first row of seedlings in the seedling tray 6 is clamped, the seedling tray 6 moves one position toward the telescopic mechanism 3.

As shown in Figure 1, the telescopic mechanism 3 returns to the origin position, and the telescopic mechanism 3 controls the crossbar 4 to move along the positive direction of the Y-axis. The telescopic mechanism 3 extends, and several clamping mechanisms 5 clamp the seedlings respectively. After tightening the seedlings, the telescopic mechanism 3 contracts, the clamping mechanism 5 lowers the seedlings, and the seedlings fall to the field.

As shown in Figure 1, when the clamping mechanism 5 needs to clamp the next seedling, the screw 1 controls the slider 12 and the telescopic mechanism 3 to move one position along the positive direction of the X-axis, and the telescopic mechanism 3 controls the crossbar 4 along the Y-axis. Moving in the positive direction, the telescopic mechanism 3 extends, and several clamping mechanisms 5 clamp the seedlings respectively. After the clamping mechanisms 5 clamp the seedlings, the telescopic mechanism 3 contracts, and the screw 1 controls the telescopic mechanism 3 to move along the negative direction of the X-axis to the origin position. , and at the same time, the power source also drives the invention to move forward, the clamping mechanism 5 puts down the seedlings, and the seedlings fall in the field.

As shown in Figure 1, when the clamping mechanism 5 needs to clamp the next seedling, the screw 1 controls the slider 12 and controls the telescopic mechanism 3 to move two positions along the positive direction of the X-axis, and the telescopic mechanism 3 controls the crossbar 4 to move along the The Y-axis moves in the positive direction, the telescopic mechanism 3 extends, and several clamping mechanisms 5 clamp the seedlings respectively. After the clamping mechanisms 5 clamp the seedlings, the telescopic mechanism 3 contracts, and the screw 1 controls the slider 12 and the telescopic mechanism 3 along the X-axis It moves to the origin position in the negative direction, and at the same time the power source also drives the invention to move forward, the clamping mechanism 5 puts down the seedlings, and the seedlings fall into the field.

As shown in Figure 1, when the clamping mechanism 5 needs to clamp the next seedling, the screw 1 controls the slider 12 and the telescopic mechanism 3 to move three positions along the positive direction of the X-axis, and the telescopic mechanism 3 controls the crossbar 4 to move along the Y axis. The axis moves in the positive direction, the telescopic mechanism 3 stretches, and several clamping mechanisms 5 clamp the seedlings respectively. After the clamping mechanisms 5 clamp the seedlings, the telescopic mechanism 3 contracts, and the screw 1 controls the telescopic mechanism 3 to move to the origin along the negative direction of the X-axis. position, and at the same time, the power source also drives the invention to move forward, the clamping mechanism 5 puts down the seedlings, and the seedlings fall in the field.

As shown in Figures 1 to 3, repeat this to complete the clamping of the second row of seedlings on the seedling tray 6.

As shown in Figures 1 to 3, the present invention sequentially clamps the first row, second row, third row, and Nth row of seedlings, and after all the seedlings in the seedling tray 6 have been clamped, replace them. Another seedling tray 6.

As shown in Figure 1, since the present invention has relatively few parts and a simple structure, it is not easily damaged, is more convenient for maintenance, and has high efficiency in throwing rice seedlings; during the process of throwing rice seedlings, the power source drives the present invention to move forward, and at the same time, the invention is The invention is always suspended in the air and has no contact with the field, so it is not easy to rust, not easy to be damaged, and has a long service life.

As shown in Figures 1 to 3, the telescopic mechanism 3 includes two electric cylinders arranged in parallel, and both ends of the crossbar 4 are respectively connected to the telescopic rods of the electric cylinders. The slider 12 is threadedly connected to the screw 1, and the slider 12 is fixedly connected to the electric cylinder. The screw 1 simultaneously controls the slider 12 and the two parallel electric cylinders to move back and forth along the X-axis direction. After the screw 1 simultaneously controls the slider 12 and the two parallel electric cylinders to move several square positions along the X-axis, the telescopic mechanism 3 controls the clamping mechanism 5 to move squarely along the Y-axis. After the clamping mechanism 5 clamps the seedlings, the telescopic mechanism 3 controls the clamping The tightening mechanism 5 moves along the negative square of the Y-axis. The screw 1 simultaneously controls the slider 12 and the two parallel electric cylinders to move several positions along the negative square of the Throw them down so the seedlings are in rows in the field.

As shown in FIGS. 1 to 3 , limiting structures 13 are provided at both ends of the guide rail 11 , and the telescopic mechanism 3 moves back and forth between the two limiting structures 13 along with the slider 12 . The limiting structure 13 is a limiting boss. The limiting structure 13 plays a limiting role on the telescopic mechanism 3, so that after the telescopic mechanism 3 returns to the original position, the clamping mechanism 5 throws the seedlings down, so the seedlings are arranged in rows in the field.

As shown in Figures 1 to 3, the crossbar 4 is provided with a number of fixing holes alternately, and the clamping mechanism 5 is connected to the fixing holes through provided fasteners. The position between two adjacent clamping mechanisms 5 is adjustable. The clamping mechanisms 5 are connected to corresponding fixing holes through fasteners, and the fasteners can be screws. The distance between two adjacent clamping mechanisms 5 is adjustable, making it convenient to adjust the position between adjacent seedlings.

As shown in Figures 1 to 3, a scale is provided on the surface of the crossbar 4. The scale can be used to observe the position between two adjacent clamping mechanisms 5. Conveniently adjust the position between adjacent seedlings.

Embodiments of the invention

The present invention will be described in more detail below with reference to the accompanying drawings and examples.

As shown in Figures 1 to 10, the self-falling seedling throwing structure also includes an air pressure device 9. The air pressure device 9 includes a hollow tube 91, a gland 92 located directly above the hollow tube 91, and a control gland. 92 covers the lifting mechanism 94 at the top of the hollow tube 91. The number of the hollow tube 91 and the gland 92 is equal to the number of the clamping mechanism 5 respectively. The hollow tube 91 has a trumpet-shaped structure. The bottom of 91 is small and the top is large. The gland 92 is located above the clamping mechanism 5 and is connected to the air pipe 93. The hollow tube 91 is located below the clamping mechanism 5. The seedlings clamped by the clamping mechanism 5 are placed in the middle. In the empty tube 91, the lifting mechanism 94 controls the gland 92 to close with the hollow tube 91, and the air pressure in the air tube 93 drives the seedlings in the hollow tube 91 into the field. By adding a certain amount of air pressure to the hollow tube 91, the seedlings in the hollow tube 91 can be driven out of the hollow tube 91, and the roots of the seedlings can be driven into the soil in the field.

As shown in Figures 1 to 10, the seedling tray 6 is provided with seedling holes 61. The seedling holes 61 are arranged in a matrix on the surface of the seedling tray 6. There are seedlings in the seedling holes 61. Before starting to throw the seedlings, the telescopic mechanism 3 is at the origin position and starts throwing. After the seedlings are planted, the telescopic mechanism 3 controls the crossbar 4 to move along the positive direction of the Y-axis. The telescopic mechanism 3 extends. There are multiple clamping mechanisms 5, which can be 4, 6 or 8. Several clamping mechanisms 5 clamp respectively. Tighten the seedlings. After the clamping mechanism 5 clamps the seedlings, the telescopic mechanism 3 contracts and the clamping mechanism 5 lowers the seedlings. The seedlings fall into the hollow tube 91. The bottom hole diameter of the hollow tube 91 is slightly smaller than the bottom of the seedling. The lifting mechanism 94 The gland 92 is controlled to close with the hollow tube 91, and the air pressure in the air tube 93 drives the seedlings in the hollow tube 91 into the field, thus completing the seedling throwing.

As shown in Figures 1 to 10, when the clamping mechanism 5 needs to clamp the next seedling, the screw 1 controls the slider 12 and the telescopic mechanism 3 to move one position along the positive direction of the X-axis, and the telescopic mechanism 3 controls the crossbar 4 to move along the Moving in the positive direction of the Y-axis, the telescopic mechanism 3 stretches, and several clamping mechanisms 5 clamp the seedlings respectively. After the clamping mechanisms 5 clamp the seedlings, the telescopic mechanism 3 contracts, and the screw 1 controls the telescopic mechanism 3 to move along the negative direction of the X-axis. to the origin position. At the same time, the power source also drives the invention to move forward. The clamping mechanism 5 puts down the seedlings, and the seedlings fall into the hollow tube 91. The bottom aperture of the hollow tube 91 is slightly smaller than the bottom of the seedling. The lifting mechanism 94 controls the pressure. The cover 92 is closed with the hollow tube 91, and the air pressure in the air tube 93 drives the seedlings in the hollow tube 91 into the field, thereby completing the seedling throwing.

As shown in Figures 1 to 10, in the present invention, the clamping mechanism 5 is a pneumatic clamp or an electric clamp. The clamping mechanism 5 can also be a magnetic clamp. When the magnetic clamp is powered on, the magnetic clamp clamps the seedlings. When the magnetic clamp is powered off, the magnetic clamp opens and the seedlings fall automatically. The clamping side of the clamping mechanism 5 is provided with a silicone layer, which protects the seedlings and prevents them from being pinched during clamping.

The above are the specific embodiments of the present invention. It should be pointed out that for those of ordinary skill in the art, several improvements and modifications can be made without departing from the principles of the present invention, and these improvements and modifications are also regarded as the present invention. protection scope of the invention.

Industrial applicability

The embodiment of the invention discloses a self-falling seedling throwing structure. The self-falling seedling throwing structure includes a screw, a fixed seat for driving the screw to rotate forward and reverse, a guide rail arranged parallel to the screw, a slider sliding along the guide rail, a telescopic mechanism and a cross bar; the cross bar There are several clamping mechanisms alternately arranged, and the clamping mechanisms are used to pick and place seedlings. One end of the telescopic mechanism is connected to the cross bar, and the other end is connected to the slider. The telescopic mechanism controls the cross bar to go back and forth along the Y-axis direction. The screw controls the slide block and telescopic mechanism to move back and forth along the X-axis direction. By implementing the embodiments of the present invention, the power source in the present invention drives the present invention to move, and the present invention is suspended in the air. The present invention does not come into contact with the fields, is not easy to break, has high efficiency, and can be applied to large areas of fields as well as small areas. area of fields. It can be used in industry and meets industrial adaptability requirements.

Sequence Listing Free Content

Type the sequence listing free content description paragraph here.

Claims

A self-falling seedling throwing structure, which is characterized by including a screw, a fixed seat for driving the screw to rotate forward and reverse, a guide rail arranged parallel to the screw, a slider sliding along the guide rail, a telescopic mechanism and a crossbar; The crossbars are alternately provided with a number of clamping mechanisms, and the clamping mechanisms are used for picking up and placing seedlings. One end of the telescopic mechanism is connected to the crossbar, and the other end is connected to the slider. The telescopic mechanism controls the movement of the crossbar along the Move back and forth in the Y-axis direction, and the screw controls the slide block and telescopic mechanism to move back and forth along the X-axis direction.
A self-falling seedling throwing structure according to claim 1, characterized in that the telescopic mechanism includes two electric cylinders arranged in parallel, and the two ends of the cross bar are respectively connected to the telescopic rods of the electric cylinder.
A self-falling seedling-throwing structure according to claim 1, characterized in that limit structures are provided at both ends of the guide rail, and the telescopic mechanism moves back and forth between the two limit structures with the slider.
A self-falling seedling throwing structure according to claim 1, characterized in that the cross bars are provided with a plurality of fixed holes alternately, and the clamping mechanism is connected to the fixed holes through provided fasteners.
A self-falling seedling throwing structure according to claim 4, characterized in that a scale is provided on the surface of the crossbar.
A self-falling seedling throwing structure according to claim 1, characterized in that the self-falling seedling throwing structure further includes a seedling transport mechanism, the seedling transport mechanism is used to transport a seedling tray, and the seedling transport mechanism is configured On the opposite side of the crossbar, a seedling automatic falling space is formed between the seedling transport mechanism and the crossbar.
A self-falling seedling throwing structure according to claim 6, characterized in that the seedling conveying mechanism includes a transmission belt and a support rod disposed between the transmission belt and the cross bar, and the support rod is used to support the seedling tray. At the front end, the transmission belt is provided with a positioning structure for positioning the seedling tray.
A self-falling seedling throwing structure according to claim 6, characterized in that a windshield box is provided on the lower side of the seedling automatic falling space, and the windshield box is a hollow square structure, and the seedlings on the clamping mechanism Falling from the windshield into the field.
A self-falling seedling-throwing structure according to claim 6, characterized in that the self-falling seedling-throwing structure further includes a pneumatic device, the pneumatic device includes a hollow tube, and the pressure device is disposed directly above the hollow tube. The cover and the lifting mechanism that control the gland cover to close on the top of the hollow tube. The number of the hollow tube and the gland are equal to the number of the clamping mechanism respectively. The hollow tube has a trumpet-shaped structure, and the bottom of the hollow tube It is small and has a large top. The gland is located above the clamping mechanism and is connected to the air pipe. The hollow tube is located below the clamping mechanism. The seedlings clamped by the clamping mechanism are placed in the hollow tube. The lifting mechanism controls the connection between the gland and the middle. The empty tube is closed, and the air pressure in the trachea drives the seedlings in the hollow tube into the field.
A self-falling seedling throwing structure according to any one of claims 1 to 9, characterized in that the clamping mechanism is a pneumatic clamp or an electric clamp.