Air-blowing throwing device of seeding machine

Abstract

The utility model provides an air-blowing throwing device of a seeding machine, which relates to the technical field of seed throwing and comprises a top groove arranged in a vertical pipe, a top disc is connected in the top groove in a sliding mode, and at least six groups of telescopic rods are installed at the lower end of the top disc along the axis. A plurality of side grooves are formed in the position, close to the top disc, of each telescopic rod, an adjusting ring is connected to the interior of the vertical pipe in a threaded mode, a plurality of control grooves corresponding to the telescopic rods are formed in the adjusting ring, the telescopic rods are slidably connected into the control grooves correspondingly, an inner sleeve is coaxially installed in the adjusting ring, and the inner sleeve is sleeved with the inner sleeve. A fine adjustment rod is installed in the inner sleeve in a threaded mode, a pressure spring is fixedly installed on the top disc, the other end of the pressure spring abuts against the fine adjustment rod, through cooperation of the top disc, the telescopic rod and the control groove, accurate control over the air blowing interval time is achieved, and by means of the design, the sowing accuracy is improved; the adaptability and the seeding effect of the equipment are enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to seed feeding technical field, more specifically, it relates to a seeding machine air blowing feeding device. BACKGROUND

[0002] In modern agricultural production, the seeding machine is an indispensable important equipment, which improves the seeding efficiency and accuracy, and the traditional seeding method often relies on manual, which not only consumes time and effort, but also is difficult to guarantee the uniformity and depth consistency of seeding, with the development of agricultural technology, the air pressure type seeding machine emerges as the times require, which uses the airflow generated by compressed air to transport seeds, and through controlling air pressure, the seeds can be accurately fed to the predetermined position, which not only improves the efficiency of seeding, but also ensures that the seeds are uniformly distributed in the field, creating better conditions for the growth of crops, the working principle of the air pressure type seeding machine is to use the short air pressure pulse to push the seeds, so that they obtain enough initial velocity, thereby accurately falling into the seeding ditch.

[0003] However, although the air pressure type seeding machine plays an important role in agricultural production, the existing equipment still has some limitations, the most prominent problem of which is that it is difficult to adjust the air blowing interval time, different crop seeds, due to the difference in size, weight and shape, need different air blowing interval time to ensure the best seeding effect, for example, smaller seeds may need shorter interval time, while larger or heavier seeds may need longer interval time, in addition, the condition of the field, seeding depth and traveling speed and other factors will also affect the ideal air blowing interval time, the existing equipment is insufficient in adjusting ability in this respect, and fixed interval time is often used, which leads to unstable seeding effect under different conditions, sometimes the seeds may not be placed in place, overlapping seeding or too large seeding interval may occur, which not only affects the growth of crops, but also increases the waste of seeds, reduces the overall efficiency and economic benefit of agricultural production. CONTENT OF THE UTILITY MODEL

[0004] In view of the problems existing in the prior art, the utility model provides a seeding machine air blowing feeding device to solve the technical problems mentioned in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a seeding machine air blowing feeding device, comprising a seeding machine body and a plurality of vertical pipes fixedly installed on the seeding machine body;

[0006] The interval mechanism comprises a top slot formed in the vertical pipe, a top disc slidably connected in the top slot, not less than six groups of telescopic rods mounted at the lower end of the top disc along the axis, a plurality of side slots formed in the position close to the top disc of each telescopic rod, an adjusting ring threadedly connected in the vertical pipe, a plurality of control slots corresponding to the telescopic rods formed in the adjusting ring, a plurality of telescopic rods slidably connected in the control slots, an inner sleeve coaxially mounted in the adjusting ring, a fine adjustment rod threadedly mounted in the inner sleeve, a compression spring fixedly mounted on the top disc, and the other end of the compression spring abutting against the fine adjustment rod.

[0007] The connecting mechanism comprises a sealing slot formed in the upper end face of the vertical pipe, an insertion sleeve mounted in the sealing slot, a rubber tube connected to the insertion sleeve, and an air inlet pipe mounted on the rubber tube and connected to a high-pressure air source.

[0008] Preferably, the interval mechanism comprises a converging pipe coaxially mounted in the vertical pipe, a telescopic sleeve slidably connected in the converging pipe, an inner slot formed in the telescopic sleeve, and the inner slot and the inner sleeve being the same size. This design realizes the control of air flow through the cooperation of the converging pipe and the telescopic sleeve, and ensures the accuracy of seed feeding.

[0009] Preferably, the lower end of the telescopic sleeve is provided with a tapered sleeve, the tapered sleeve is provided with a return spring, the other end of the return spring abuts against the lower end face of the converging pipe. This design realizes the automatic reset function of the telescopic sleeve through the combination of the tapered sleeve and the return spring, ensures that the device can return to the initial state after each air blowing, and improves the efficiency and stability of continuous operation.

[0010] Preferably, a through slot is coaxially formed in the tapered sleeve, and a hexagonal slot is formed in the fine adjustment rod, and the through slot and the hexagonal slot are the same size. This design provides a convenient adjustment interface for the operator through the cooperation of the through slot and the hexagonal slot, makes the fine adjustment process simple, and improves the operability of the equipment.

[0011] Preferably, a plurality of fixed springs are equidistantly mounted on the upper end face of the adjusting ring, a plurality of abutting rings are connected to the vertical pipes, a stop ring is coaxially mounted in the vertical pipe, and the abutting ring abuts against the stop ring. This design ensures the stable connection between the vertical pipe and the adjusting ring through the synergistic effect of the fixed spring, the abutting ring and the stop ring.

[0012] Preferably, a feeding pipe is mounted on each vertical pipe, the feeding pipe is connected to the seeding machine body, and a plurality of elastic plates are equidistantly mounted along the axis in each vertical pipe. This design realizes the temporary storage of seeds through the cooperation of the feeding pipe and the elastic plate, and ensures that approximately the same amount of seeds can be fed each time the air is blown.

[0013] Preferably, the connecting mechanism further comprises a plurality of intermediate springs equidistantly mounted on the insertion sleeve, and a pressure pipe coaxially mounted on the air inlet pipe, and the plurality of intermediate springs are connected to the pressure pipe respectively.

[0014] Preferably, an embedded groove is formed in the vertical pipe, and a threaded pipe is rotationally connected in the embedded groove and is threadedly connected to the pressure pipe.

[0015] Beneficial effects:

[0016] Compared with the prior art, the utility model provides a kind of seeding machine air blowing device, with following beneficial effects:

[0017] This innovative seeding machine air blowing device controls interval through interval control mechanism, in the cooperation of top disc, telescopic rod and control groove, the three key components work cooperatively, form a air blowing interval control system, top disc as main driving component, its movement directly influences the release time of air flow;Telescopic rod then acts as the intermediary of transmission movement, and its length change can fine tune the frequency of air blowing;Control groove then guides the release of air flow, and through this design realizes the control of air blowing interval time.

[0018] More importantly, the flexibility of this design enables the equipment to easily cope with different seed types and variable seeding conditions, for example, for smaller seeds, shorter air blowing interval can be adjusted to ensure uniform distribution;For larger or heavier seeds, interval time can be increased to prevent seed accumulation, this adaptability not only improves the seeding effect, but also significantly reduces seed waste, bringing direct economic benefits to farmers.

[0019] In addition, the double adjustment mechanism of the device further enhances its practicability and accuracy, and the cooperation design of adjustment ring and fine adjustment rod provides a simple adjustment method for operators, the adjustment ring can be adjusted, suitable for switching between different types of seeds;And fine adjustment rod can also be adjusted, according to specific field conditions (such as soil moisture, terrain, etc.) for fine adjustment, this double adjustment not only simplifies the adjustment process, reduces the operation difficulty, but also improves the accuracy of adjustment, operators can quickly respond to different seed types and field conditions, without complex operation to achieve the best seeding effect. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the overall structure schematic diagram of a kind of seeding machine air blowing device in the utility model;

[0021] Figure 2It is the structure schematic view of vertical pipe and feed pipe in the utility model;

[0022] Figure 3 It is the structure schematic view of vertical pipe in the utility model Figure 2 It is the sectional view structure schematic view of vertical pipe in the utility model;

[0023] Figure 4 It is the sectional view structure schematic view of vertical pipe in the utility model;

[0024] Figure 5 It is the explosion sectional view structure schematic view of adjusting ring and cone sleeve in the utility model;

[0025] Figure 6 It is the structure schematic view of top disc and telescopic rod in the utility model;

[0026] Figure 7 It is the structure schematic view of adjusting ring and inner sleeve in the utility model;

[0027] Figure 8 It is the structure schematic view of cone sleeve in the utility model;

[0028] Figure 9 It is the sectional view structure schematic view of connecting mechanism in the utility model.

[0029] In the drawing: 11, seeding machine body; 12, vertical pipe; 21, top groove; 22, top disc; 23, telescopic rod; 24, side groove; 25, adjusting ring; 26, control groove; 27, inner sleeve; 28, fine adjustment rod; 29, compression spring; 31, sealing groove; 32, insertion sleeve; 33, rubber tube; 34, air inlet pipe; 35, middle spring; 36, pressure pipe; 37, embedded groove; 38, threaded pipe; 210, gathering pipe; 211, telescopic sleeve; 212, inner groove; 213, cone sleeve; 214, return spring; 215, through groove; 216, hexagonal groove; 217, fixed spring; 218, fit ring; 219, stop ring; 220, feed pipe; 221, elastic plate. DETAILED DESCRIPTION

[0030] It should be noted that the embodiments and features in the embodiments in the present application can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with embodiments.

[0031] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as that generally understood by those skilled in the art to which the present application belongs.

[0032] In the utility model, in the case that no opposite statement is made, the orientation such as "upper, lower" is usually for the direction shown in the drawing, or for the vertical, perpendicular or gravity direction; similarly, for the convenience of understanding and description, "left, right" is usually for the left and right shown in the drawing; "inner, outer" refers to the inner and outer relative to the contour of each component itself, but the above orientation words are not used to limit the utility model.

[0033] Please refer to Figures 1-8 A kind of air blowing device of seeding machine, including seeding machine body 11 and multiple vertical tubes 12 fixedly installed on seeding machine body 11, interval mechanism includes being opened in vertical tube 12 top slot 21, top slot 21 slidingly connected with top disc 22, the lower end of top disc 22 is installed with not less than six groups of telescopic rod 23 along axis, the position of each telescopic rod 23 close to top disc 22 is opened with multiple side slots 24, vertical tube 12 is screw-connected with adjusting ring 25, adjusting ring 25 is opened with multiple control slots 26 corresponding with telescopic rod 23, multiple telescopic rod 23 are slidingly connected in control slot 26 respectively, adjusting ring 25 is coaxially installed with internal sleeve 27, micro-adjusting rod 28 is screw-connected in internal sleeve 27, top disc 22 is fixedly installed with compression spring 29, the other end of compression spring 29 is abutted on micro-adjusting rod 28, interval mechanism includes being coaxially installed in vertical tube 12 bunching pipe 210, bunching pipe 210 is slidingly connected with telescopic sleeve 211, internal slot 212 is opened in telescopic sleeve 211, internal slot 212 and internal sleeve 27 are same size, the lower end of telescopic sleeve 211 is installed with taper sleeve 213, return spring 214 is installed on taper sleeve 213, the other end of return spring 214 is abutted on the lower end surface of bunching pipe 210, through groove 215 is coaxially opened in taper sleeve 213, hexagonal groove 216 is opened in micro-adjusting rod 28, through groove 215 and hexagonal groove 216 are same size, the upper end surface of adjusting ring 25 is installed with multiple fixed springs 217 at equal intervals, multiple vertical tubes 12 are connected with fitting ring 218, vertical tube 12 is coaxially installed with stop ring 219, fitting ring 218 is abutted on stop ring 219, each vertical tube 12 is installed with feed pipe 220 respectively, feed pipe 220 is connected on seeding machine body 11, and multiple elastic plates 221 are installed at equal intervals along axis in each vertical tube 12.

[0034] When the seeder body 11 is used for seeding, first, the seeder body 11 is connected to the external traction device, and then the corresponding seeds are put into the seeder body 11, and the seeds are transported into the vertical pipe 12 along the plurality of feeding pipes 220 through the seeder body 11, and the seeds flow onto the plurality of elastic plates 221, and the seeds can be clamped on the elastic plates 221 and cannot fall down, and then the high-pressure gas source can always provide gas pressure to the vertical pipe 12, the telescopic rod 23 reciprocatingly moves in the control groove 26, until each time when the side groove 24 passes through the control groove 26, the high-pressure gas is sprayed out, and then through the converging pipe 210, the seeds are sprayed and moved downward, and at the same time, the plurality of elastic plates 221 are deformed, thereby completing the seed dropping process.

[0035] When the top disc 22 abuts against the top groove 21, the top groove 21 is in a sealed state at this time, and the pressure is transmitted to the top disc 22, so that the top disc 22 is subjected to a large pressure at this time, and then accelerates downward, and when the top disc 22 is unsealed from the top groove 21, it has a relatively large speed, and then drives the plurality of telescopic rods 23 to slide along the control groove 26, because the top disc 22 is unsealed from the top groove 21, the top disc 22 is in communication with the two ends, and the pressure of the top disc 22 is the pressure of the area of the control groove 26 at this time, so that the pressure is reduced, and then as the compression spring 29 is compressed to the elastic force of the compression spring 29 is equal to the pressure of the gas at this position, the speed reaches the maximum, and because of the speed, the top disc 22 continues to slide downward, so that the side groove 24 communicates with the two ends of the control groove 26, at this time, the gas is discharged from the control groove 26, and the seed dropping process is completed, and then the top disc 22 stops moving, and the pressure of the compression spring 29 is greater than the pressure of the gas, so that the top disc 22 is reversely moved, until the top disc 22 returns to the top groove 21 again, and then the top disc 22 and the top groove 21 are sealed, at this time, the pressure of the gas is greater than the pressure of the compression spring 29, and the next cycle is performed, so that the seed dropping process is completed.

[0036] When the interval time of seed feeding needs to be adjusted, the initial position of the compression spring 29 and the initial position of the adjusting ring 25 can be adjusted, when the initial position of the fine adjustment rod 28 needs to be adjusted, a longer wrench is inserted into the through slot 215 and inserted into the hexagonal slot 216, then the hexagonal slot 216 is rotated to drive the rotation of the fine adjustment rod 28, since the fine adjustment rod 28 is screwed in the inner sleeve 27, the elastic force of the compression spring 29 can be changed, thereby changing the interval time, when the position of the adjusting ring 25 needs to be changed, a shorter wrench is inserted into the through slot 215, then the wrench is pushed against the tapered sleeve 213 to move the tapered sleeve 213 upward, then the inner slot 212 is clamped in the inner sleeve 27, at this time the rotation of the adjusting ring 25 can be driven, the adjusting ring 25 is screwed in the vertical pipe 12, thereby completing the adjustment of the two, by changing the position of the two, the interval of air blowing and feeding can be adjusted to meet the requirements of seed feeding.

[0037] Please refer to Figure 9 The connecting mechanism comprises a sealing groove 31 opened in the upper end face of the vertical pipe 12, an insertion sleeve 32 is installed in the sealing groove 31, a rubber pipe 33 is connected to the insertion sleeve 32, an air inlet pipe 34 is installed on the rubber pipe 33, the air inlet pipe 34 is connected to a high-pressure air source, a plurality of intermediate springs 35 are installed at equal intervals on the insertion sleeve 32, a compression pipe 36 is coaxially installed on the air inlet pipe 34, the plurality of intermediate springs 35 are connected to the compression pipe 36, an embedded groove 37 is opened in the vertical pipe 12, a threaded pipe 38 is limitingly and rotatably connected in the embedded groove 37, and the threaded pipe 38 is screwed to the compression pipe 36.

[0038] When the air inlet pipe 34 and the vertical pipe 12 need to be connected, the insertion sleeve 32 is first pressed on the sealing groove 31, then the compression pipe 36 is pushed downward, and then the threaded pipe 38 is screwed to the compression pipe 36, since the threaded sleeve is clamped in the embedded groove 37, the compression pipe 36 is moved downward, and then the intermediate springs 35 are compressed, thereby increasing the elastic force to ensure the effective sealing between the insertion sleeve 32 and the sealing groove 31, and the position between the air inlet pipe 34 and the insertion sleeve 32 is compensated through the rubber pipe 33, thereby completing the connection process.

[0039] In all the schemes mentioned above, the connection between the two components can be selected according to the actual situation, such as welding, bolt and nut cooperation connection, bolt or screw connection or other known connection methods, which will not be described one by one, in the above, whenever it is mentioned that it is fixedly connected, it is preferred to be welded, although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A seed planter air-blast delivery device comprising a planter body (11) and a plurality of vertical tubes (12) fixedly mounted to said planter body (11); characterized by: Spacing mechanism, including the top slot (21) is opened in the vertical pipe (12), the top disc (22) is slidably connected in the top slot (21), the lower end of the top disc (22) is installed along the axis not less than six groups of telescopic rods (23), a plurality of side slots (24) are opened in the position close to the top disc (22) of each telescopic rod (23), the adjusting ring (25) is threadedly connected in the vertical pipe (12), a plurality of control grooves (26) corresponding to the telescopic rod (23) are opened on the adjusting ring (25), a plurality of telescopic rods (23) are slidably connected in the control groove (26) respectively, the inner sleeve (27) is coaxially installed in the adjusting ring (25), the fine adjustment rod (28) is threadedly installed in the inner sleeve (27), the compression spring (29) is fixedly installed on the top disc (22), and the other end of the compression spring (29) abuts against the fine adjustment rod (28); and Connecting mechanism, including the sealing groove (31) opened on the upper end face of the vertical pipe (12), the insertion sleeve (32) is installed in the sealing groove (31), the rubber tube (33) is connected to the insertion sleeve (32), the air inlet pipe (34) is installed on the rubber tube (33), and the air inlet pipe (34) is connected to the high-pressure gas source.

2. A seed metering and air delivery device as claimed in claim 1, wherein: The spacing mechanism includes the converging pipe (210) coaxially installed in the vertical pipe (12), the telescopic sleeve (211) is slidably connected in the converging pipe (210), the inner groove (212) is opened in the telescopic sleeve (211), and the inner groove (212) and the inner sleeve (27) are the same size.

3. A seed meter air-blast delivery device according to claim 2, wherein: The lower end of the telescopic sleeve (211) is provided with a tapered sleeve (213), the return spring (214) is installed on the tapered sleeve (213), and the other end of the return spring (214) abuts against the lower end face of the converging pipe (210).

4. A seed meter air-blast delivery device according to claim 3, wherein: The through groove (215) is coaxially opened in the tapered sleeve (213), the hexagonal groove (216) is opened in the fine adjustment rod (28), and the through groove (215) and the hexagonal groove (216) are the same size.

5. A seed meter air-blast delivery device according to claim 4, wherein: A plurality of fixed springs (217) are installed at equal intervals on the upper end face of the adjusting ring (25), a plurality of abutting rings (218) are connected to the vertical pipe (12), the stop ring (219) is coaxially installed in the vertical pipe (12), and the abutting ring (218) abuts against the stop ring (219).

6. A seed meter air-blast delivery device according to claim 5, wherein: A feeding pipe (220) is installed on each vertical pipe (12), the feeding pipe (220) is connected to the seeding machine body (11), and a plurality of elastic plates (221) are installed at equal intervals along the axis in each vertical pipe (12).

7. The air-blast delivery device of claim 1, wherein: The connecting mechanism further includes a plurality of intermediate springs (35) installed at equal intervals on the insertion sleeve (32), a pressing pipe (36) is coaxially installed on the air inlet pipe (34), and the plurality of intermediate springs (35) are connected to the pressing pipe (36) respectively.

8. A seed meter air-blast delivery device according to claim 7, characterized in that: The vertical pipe (12) is provided with an embedded groove (37), the embedded groove (37) is limitedly rotationally connected with a threaded pipe (38), and the threaded pipe (38) is threadedly connected on the pressing pipe (36).

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