Device for agricultural seeding

Abstract

The utility model relates to the technical field of agricultural equipment, and provides a device for agricultural seeding, which comprises a shell, a drilling mechanism, a grooved wheel mechanism and a seeding mechanism, the drilling mechanism is arranged at the front part of the shell; the grooved wheel mechanism and the seeding mechanism are arranged at the rear part of the shell; the seeding mechanism comprises a seed box, a baffle, a baffle horizontal supporting device, a seeding disc, a clamp limiting plate and a plurality of clamps; a baffle horizontal supporting device is arranged at an outlet of the seed box; a baffle is movably arranged in the baffle horizontal supporting device. A plurality of clamp mounting rods are uniformly distributed in the radial direction of the seeding disc; a clamp is movably arranged at the outer end of the clamp mounting rod; the clamp mounting rod is sleeved with a spring; a plurality of seeding tray outlets are uniformly distributed on the periphery of the seeding tray; and the outlet of the seeding tray corresponds to the clamp. According to the utility model, soil covering, drilling and seeding operations can be flexibly carried out, the seeding efficiency is improved, and the labor intensity is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural machinery technical field especially, a device for agricultural seeding. BACKGROUND

[0002] At present, some agricultural planting machines exist in the market, and the cost of special equipment for large-scale planting is high, and some efficient and small seeding devices are relatively scarce.

[0003] Some small seeding devices have many problems in planting application, such as not being able to well adapt to the special shape and physical properties of some crop seeds, leading to low seeding precision, and not being able to flexibly carry out soil covering, drilling and seeding operations according to the agronomic requirements of planting crops, leading to high labor intensity, and further affecting work efficiency.

[0004] Therefore, it is necessary to design a rapid, accurate and convenient agricultural seeding device to solve the above problems. UTILITY MODEL CONTENT

[0005] The utility model mainly solves the technical problems that the small seeding device of prior art leads to low seeding precision, cannot flexibly carry out soil covering, drilling and seeding operations, leads to high labor intensity and the like, proposes a device for agricultural seeding, flexibly carries out soil covering, drilling and seeding operations, improves seeding efficiency and reduces labor intensity.

[0006] The utility model provides a device for agricultural seeding, which comprises a shell, a drilling mechanism, a grooved wheel mechanism and a seeding mechanism.

[0007] The drilling mechanism is arranged at the front part of the shell, and the grooved wheel mechanism and the seeding mechanism are arranged at the rear part of the shell.

[0008] The grooved wheel mechanism comprises a hand wheel, a hand wheel transmission shaft, a grooved wheel shaft, a grooved wheel driving wheel, a grooved wheel driven wheel and a baffle sliding groove device.

[0009] The hand wheel is installed on the shell and extends into the shell, and the hand wheel is connected with the hand wheel transmission shaft; the end part of the hand wheel transmission shaft is provided with a first bevel gear.

[0010] The bottom end of the grooved wheel shaft is provided with a second bevel gear, the second bevel gear is engaged with the first bevel gear, the bottom end of the grooved wheel shaft is fixedly connected with the grooved wheel driving wheel, and the grooved wheel driving wheel is arranged in cooperation with the grooved wheel driven wheel.

[0011] The bottom part of the grooved wheel driven wheel is fixedly connected with the baffle sliding groove device, and the bottom part of the baffle sliding groove device is connected with the seeding mechanism.

[0012] The seeding mechanism comprises a seed box, a baffle, a baffle horizontal support device, a seeding disc, a clamp limiting plate and a plurality of clamps.

[0013] The outlet of the seed box is located at the bottom of the seed box; a baffle horizontal support device is arranged at the outlet of the seed box; a baffle is movably arranged in the baffle horizontal support device; and the protrusion of the baffle is movably arranged in the sliding groove of the baffle sliding groove device;

[0014] A seeding disc transmission shaft is arranged at the top of the seeding disc; the seeding disc transmission shaft passes through the clamp limiting plate and is fixed at the bottom of the baffle sliding groove device;

[0015] A plurality of clamp mounting rods are uniformly distributed in the radial direction of the seeding disc; a clamp is movably arranged at the outer end of the clamp mounting rod; a spring is sleeved on the clamp mounting rod, and the outer end of the spring is connected with the clamp;

[0016] A plurality of seeding disc outlets are uniformly distributed in the outer periphery of the seeding disc; the seeding disc outlets are correspondingly arranged with the clamps;

[0017] The clamp limiting plate has an arc-shaped notch, and a downward limiting edge is arranged in the outer periphery of the clamp limiting plate;

[0018] A clamp inclined surface is arranged at the outer end of the clamp; a clamp protrusion is arranged at the top end of the clamp; and the clamp protrusion is located inside the limiting edge.

[0019] Preferably, a soil loosening device is arranged at the front end of the shell;

[0020] A plurality of groups of traveling wheels are arranged at the bottom of the shell.

[0021] Preferably, the drilling mechanism comprises a motor, a worm, a turbine, a synchronous rotation sliding rail, a sliding block, a drill bit, a cam, a first swing lever and a second swing lever;

[0022] The motor is arranged at the top of the shell; the output end of the motor is connected with the worm; and the worm is connected with the turbine in a matched mode;

[0023] The bottom end of the worm is provided with a synchronous rotation sliding rail; the synchronous rotation sliding rail is movably arranged in the rotary pair of the sliding block; the bottom end of the synchronous rotation sliding rail is connected with the drill bit; a plurality of spiral blades are arranged on the drill bit; and the drill bit passes through the shell and extends downward;

[0024] The turbine is fixedly connected with the cam; the eccentric position of the cam is hinged with the first swing lever, the other end of the first swing lever is hinged with the second swing lever; one end of the second swing lever is movably arranged on the moving pair of the sliding block, and the other end is hinged on the inner wall of the shell.

[0025] Preferably, a worm support is arranged on the inner top surface of the shell;

[0026] The worm passes through the worm support and can move in the worm support.

[0027] Preferably, the second swing rod is hinged with a fixed support, and the fixed support is installed on the inner wall of the shell.

[0028] Preferably, a protrusion is arranged on the driving wheel of the grooved wheel.

[0029] Preferably, a plurality of arc structures are arranged on the outer periphery of the driven wheel of the grooved wheel, and the arc structures are concave to the inner side;

[0030] And a radial long hole is left between adjacent arc structures.

[0031] The curvature of the arc structure is adapted to the curvature of the outer periphery of the driving wheel of the grooved wheel.

[0032] Preferably, the top end of the grooved wheel shaft is movably arranged in a grooved wheel shaft mounting plate, and the grooved wheel shaft mounting plate is fixed on the inner wall of the shell.

[0033] Preferably, the clamp limiting plate is fixed on the inner wall of the shell.

[0034] Preferably, a spring support base is arranged on the clamp, and the outer end of the spring is connected with the clamp through the spring support base.

[0035] The device for agricultural seeding provided by the utility model is based on the characteristics of low-speed high-torque transmission and transmission direction change of the worm gear, and adds a coaxial synchronous rotation slide rail with the worm to control the up-down trajectory of the drill bit and drive the rotation of the drill bit; a cam is arranged on the turbine and connected with a swing rod structure, the swing rod structure is combined with a bearing on the drill bit, and synchronous movement of the rotation and lifting of the drill bit is realized. The utility model drives the drill bit to make rotary lifting reciprocating motion by the worm gear and the swing rod, thereby replacing the excavation of the land, and the drilling efficiency can be controlled by adjusting the motor speed according to the requirement.

[0036] The utility model discloses a groove wheel mechanism is used to control the rotation of the seeding disc, and the seed can be accurately put in. After the power direction is changed by the hand wheel and the bevel gear, the periodic rotation of the seeding disc can be realized, the clamp loaded with seeds can be rotated to the seeding position, the clamp can extrude to the radial inner side and open the outlet of the seed box when rotating to the seeding position, and the seeding is completed. After seeding, the seeding disc continues to rotate, the spring elasticity makes the clamp reset, the periodic transmission is completed, the automatic and semi-automatic seed feeding and seeding are realized, and the planting efficiency is improved and the cost is saved.

[0037] The utility model discloses can carry out covering, drilling and seeding operation flexibly, improve seeding efficiency, reduce labor intensity. ACCURACY

[0038] Figure 1 It is the structure schematic diagram of the device for agricultural seeding provided by the utility model;

[0039] Figure 2 is a structural schematic view of a drilling mechanism provided by the present application;

[0040] Figure 3 is a structural schematic view of a groove wheel mechanism provided by the present application;

[0041] Figure 4 is a matching schematic view of a groove wheel driving wheel, a groove wheel driven wheel, a baffle sliding groove device and a baffle provided by the present application;

[0042] Figure 5 is a structural schematic view of a hand wheel and a seed box provided by the present application;

[0043] Figure 6 is a structural schematic view of a groove wheel mechanism and a seeding mechanism provided by the present application;

[0044] Figure 7 is a structural schematic view of a seeding mechanism provided by the present application;

[0045] Figure 8 is a structural schematic view of a clamp provided by the present application.

[0046] The drawing label: 1, motor; 2, worm support; 3, worm; 4, synchronous rotation sliding rail; 5, sliding block; 6, drill bit; 7, cam; 8, turbine shaft; 9, turbine shaft fixing block; 10, turbine; 11, first swing lever; 12, second swing lever; 13, fixed support; 14, spiral blade; 15, groove wheel shaft mounting plate; 16, groove wheel shaft; 17, second bevel gear; 18, groove wheel driving wheel; 19, groove wheel driven wheel; 20, baffle sliding groove device; 21, hand wheel transmission shaft; 22, baffle; 23, baffle horizontal support device; 24, seeding disc transmission shaft; 25, seeding disc; 26, clamp limiting plate; 27, clamp; 28, spring; 29, spring support base; 30, soil loosening device; 31, walking wheel; 32, seed box; 33, hand wheel; 34, clamp protrusion; 35, clamp inclined surface; 36, clamp mounting rod; 37, seeding disc outlet; 38, groove wheel protrusion; 39, seeding pipe. DETAILED DESCRIPTION

[0047] In order to make the technical problems solved by the present application, the technical scheme adopted and the technical effects reached more clear, the present application will be further described in detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the present application, but not to limit the present application. In addition, it should be noted that, in order to facilitate the description, only the parts related to the present application are shown in the drawings, but not all the contents.

[0048] As Figure 1As shown, the utility model discloses an apparatus for agricultural seeding, comprising: shell, drilling mechanism, groove wheel mechanism and seeding mechanism.

[0049] The shell is mainly made of steel and serves as an overall support structure.

[0050] The drilling mechanism is arranged at the front of the shell, and the groove wheel mechanism and the seeding mechanism are arranged at the rear of the shell.

[0051] A soil loosening device 30 is arranged at the front end of the shell, and a plurality of traveling wheels 31 are arranged at the bottom of the shell, which can drive the apparatus to travel.

[0052] As shown, Figure 2 The drilling mechanism comprises a motor 1, a worm 3, a turbine 10, a synchronous rotation slide rail 4, a sliding block 5, a drill bit 6, a cam 7, a first swing lever 11 and a second swing lever 12.

[0053] The motor 1 is arranged at the top of the shell, the output end of the motor 1 is connected with the worm 3, a worm support 2 is fixedly arranged on the inner top surface of the shell through screws, and the worm 3 passes through the worm support 2 and can move in the worm support 2.

[0054] The worm 3 is connected with the turbine 10 in a matched mode, the bottom end of the worm 3 is provided with the synchronous rotation slide rail 4, the synchronous rotation slide rail 4 is movably arranged in the rotary pair of the sliding block 5, the bottom end of the synchronous rotation slide rail 4 is connected with the drill bit 6, a plurality of spiral blades 14 are arranged on the drill bit 6, and the drill bit 6 passes through the shell and extends downward.

[0055] The turbine 10 is fixedly connected with the cam 7, a turbine shaft 8 is arranged at the central position of the turbine 10 and the cam 7, the turbine shaft 8 is fixed to the inner wall of the shell, the turbine 10, the cam 7 and the turbine shaft 8 are in contact, and the turbine 10 and the cam 7 can rotate around the turbine shaft 8. Specifically, the turbine shaft 8 is fixed to the inner wall of the shell through a turbine shaft fixing block 9, and the turbine shaft fixing block 9 is fixedly installed on the inner wall of the shell through screws.

[0056] The eccentric position of the cam 7 is hingedly connected with the first swing lever 11, the other end of the first swing lever 11 is hingedly connected to the second swing lever 12, one end of the second swing lever 12 is movably arranged on the moving pair of the sliding block 5, and the other end is hingedly connected to the inner wall of the shell. Specifically, the second swing lever 12 is hingedly connected with a fixed support 13, and the fixed support 13 is fixedly installed on the inner wall of the shell through screws.

[0057] In the drilling mechanism, the worm 3 and the turbine 10 are connected by the mechanical connection of the worm gear to achieve the transmission purpose, the worm 3 is locked coaxially with the synchronous rotation slide rail 4 through the key, the cam 7 is synchronized with the turbine 10 through the key, the connection between the first swing rod 11 and the second swing rod 12 and the cam 7 and the first swing rod 11 is added with a rotating pair, the second swing rod 12 and the slider 5 embedded with the bearing are added with a moving pair, and the synchronous rotation slide rail 4 is embedded in the drill bit spindle 6 to slide; when the motor 1 drives the worm 3, the worm 3 can drive the turbine 10 to rotate and also drive the synchronous rotation slide rail 4 to rotate, the turbine 10 drives the first swing rod 11 and the second swing rod 12 to move, so that the drill bit 6 can rotate and reciprocate up and down at the same time, thereby realizing the drilling of the drill bit 6.

[0058] As shown in the figure, the slot wheel mechanism comprises a hand wheel 33, a hand wheel transmission shaft 21, a slot wheel shaft 16, a slot wheel driving wheel 18, a slot wheel driven wheel 19 and a baffle sliding groove device 20. Figures 3-6 The hand wheel 33 is installed on the shell and extends into the shell, and the hand wheel 33 is connected with the hand wheel transmission shaft 21; the end of the hand wheel transmission shaft 21 is provided with a first bevel gear;

[0059] The top end of the slot wheel shaft 16 is movably arranged in the slot wheel shaft mounting plate 15, and the two ends of the slot wheel shaft mounting plate 15 are fixed on the inner wall of the shell by screws. The bottom end of the slot wheel shaft 16 is provided with a second bevel gear 17, which is engaged with the first bevel gear; the bottom end of the slot wheel shaft 16 is fixedly connected with the slot wheel driving wheel 18; the slot wheel driving wheel 18 is matched with the slot wheel driven wheel 19; the bottom of the slot wheel driven wheel 19 is fixedly connected with the baffle sliding groove device 20; the bottom of the baffle sliding groove device 20 is connected with the seeding mechanism.

[0060] Specifically, the slot wheel driving wheel is provided with a slot wheel protrusion 38. The outer periphery of the slot wheel driven wheel 19 is provided with a plurality of arc structures, which are recessed inward; and adjacent arc structures are provided with radial long strip holes, which are matched with the slot wheel protrusion 38; the curvature of the arc structure is adapted to the curvature of the outer periphery of the slot wheel driving wheel 18. Specifically, eight arc structures and long strip holes can be provided. The slot wheel driving wheel 18 and the slot wheel driven wheel 19 are matched, and the slot wheel driving wheel 18 rotates one revolution while the slot wheel driven wheel 19 rotates 1 / 8 revolution.

[0061] Specifically, the slot wheel driving wheel is provided with a slot wheel protrusion 38. The outer periphery of the slot wheel driven wheel 19 is provided with a plurality of arc structures, which are recessed inward; and adjacent arc structures are provided with radial long strip holes, which are matched with the slot wheel protrusion 38; the curvature of the arc structure is adapted to the curvature of the outer periphery of the slot wheel driving wheel 18. Specifically, eight arc structures and long strip holes can be provided. The slot wheel driving wheel 18 and the slot wheel driven wheel 19 are matched, and the slot wheel driving wheel 18 rotates one revolution while the slot wheel driven wheel 19 rotates 1 / 8 revolution.

[0062] In the Geneva mechanism, rotating the handwheel 33 drives the second bevel gear 17 to rotate via the handwheel drive shaft 21 and the first bevel gear; the Geneva shaft 16, the second bevel gear 17, and the Geneva drive wheel 18 rotate simultaneously via a key lock; the Geneva drive wheel 18 and the Geneva driven wheel 19 rotate, and a baffle slide device 20 is fixedly installed at the bottom of the Geneva driven wheel 19; the bottom of the baffle slide device 20 is keyed to the sowing mechanism, enabling the sowing mechanism to rotate simultaneously. This utility model achieves semi-automatic sowing through the handwheel 33. Those skilled in the art will know that replacing the handwheel 33 with an automatic drive device such as a motor can achieve automatic sowing.

[0063] like Figures 6-8 As shown, the sowing mechanism includes: a seed box 32, a baffle 22, a baffle horizontal support device 23, a sowing tray 25, a clamp limiting plate 26, and multiple clamps 27.

[0064] The outlet of the seed box 32 is located at the bottom of the seed box 32; a horizontal baffle support device 23 is provided at the outlet of the seed box 32; a baffle 22 is movably arranged in the horizontal baffle support device 23; the protrusion of the baffle 22 is movably arranged in the groove of the baffle sliding groove device 20.

[0065] The rotating drive wheel 18 and driven wheel 19 of the grooved wheel cause the baffle sliding device 20 to rotate, which in turn drives the sliding baffle 22 to rotate. The baffle 22 then extends and retracts, thereby opening and closing the outlet of the seed box 32. When the baffle 22 opens the outlet of the seed box 32, seeds can fall into the seeding tray 25 and be caught by the clamp 27 that rotates to the bottom of the seed box 32. The horizontal support device 23 of the baffle limits the movement of the baffle 22 to prevent it from moving erroneously.

[0066] The seeding tray 25 is provided with a seeding tray drive shaft 24 at the top; the seeding tray drive shaft 24 passes through the clamp limiting plate 26 and is fixed to the bottom of the baffle slide device 20; the seeding tray 25 is connected to the baffle slide device 20 through the seeding tray drive shaft 24, so that the seeding tray 25 and the groove wheel mechanism can rotate synchronously.

[0067] The seeding tray 25 has multiple clamp mounting rods 36 evenly distributed radially; the outer end of the clamp mounting rod 36 is movably equipped with a clamp 27; a spring 28 is sleeved on the clamp mounting rod 36, and the outer end of the spring 28 is connected to the clamp 27; specifically, a spring support base 29 is provided on the clamp 27, and the outer end of the spring 28 is connected to the clamp 27 through the spring support base 29.

[0068] Multiple seeding tray outlets 37 are evenly distributed around the outer periphery of the seeding tray 25; the seeding tray outlets 37 are correspondingly set with clamps 27; when the clamps 27 are not in the seeding position, they block the seeding tray outlets 37.

[0069] The clamp limiting plate 26 is fixed on the inner wall of the shell, and the clamp limiting plate 26 is stationary. The clamp limiting plate 26 has an arc-shaped notch, and the outer periphery of the clamp limiting plate 26 is provided with a downward limiting edge; the clamp limiting plate 26 is provided with a seeding tube 39 below the arc-shaped notch and below the seeding disc 25; the position of the arc-shaped notch is the seeding position.

[0070] The outer end of the clamp 27 is provided with a clamp inclined surface 35; the top end of the clamp 27 is provided with a clamp protrusion 34; the clamp protrusion 34 is located inside the limiting edge and rotates along the shape of the limiting edge.

[0071] In the seeding mechanism, the seeding disc 25 rotates synchronously with the groove wheel mechanism, and the clamp limiting plate 26 is fixedly arranged; the clamp protrusion 34 is limited in the travel route by the limiting edge of the clamp limiting plate 26, that is, travels along the shape of the limiting edge. Each seeding disc outlet 37 is correspondingly provided with a clamp 27, and the clamp 27 blocks the corresponding seeding disc outlet 37 at a non-seeding position; and the clamp limiting plate 26 is provided with an arc-shaped notch, when the clamp 27 moves to the position of the arc-shaped notch, the travel route of the clamp 27 is also rotated along the shape of the arc-shaped notch and is pressed towards the radial inner side, and the spring 28 is compressed, so that the position of the seeding disc outlet 37 is opened, the seed on the clamp 27 rolls along the clamp inclined surface 35, falls through the seeding disc outlet 37 and the seeding tube 39, and the seeding is completed. After seeding, the seeding disc 25 continues to rotate, after the clamp 27 rotates out of the arc-shaped notch, the spring 28 can force the clamp 27 to reset for the next movement, and the spring support base 29 prevents the spring 28 from being dislocated and appearing the phenomenon of slow rebound.

[0072] The working process of the utility model is as follows: firstly, the soil loosening device 30 at the front end of the device is used to loosen the soil, the drill bit 6 starts to work, the drill bit 6 can rotate and reciprocate up and down at the same time through the cooperation of the worm 3, the turbine 10, the cam 7, the sliding block 5, the first swing rod 11 and the second swing rod 12, and drilling is carried out; when the drill bit is retracted, the device continues to advance, so that the groove wheel mechanism and the seeding mechanism move to the drilling position, and periodic seeding is completed through the groove wheel mechanism and the seeding mechanism.

[0073] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: the technical solutions recorded in the foregoing embodiments are modified, or some or all of the technical features are replaced equivalently, without changing the essence of the corresponding technical solutions out of the scope of the technical solutions of the embodiments of the utility model.

Claims

1. A device for agricultural seeding, characterized in that, The utility model relates to a kind of drilling machine, including: Housing, drilling mechanism, groove wheel mechanism and seeding mechanism; The drilling mechanism is arranged in the front of housing; The groove wheel mechanism and seeding mechanism are arranged in the rear of housing; The groove wheel mechanism includes: hand wheel (33), hand wheel transmission shaft (21), groove wheel shaft (16), groove wheel driving wheel (18), groove wheel driven wheel (19) and baffle sliding groove device (20); The hand wheel (33) is installed on the housing and extends into the housing, and the hand wheel (33) is connected with the hand wheel transmission shaft (21);The end of the hand wheel transmission shaft (21) is provided with a first bevel gear; The bottom end of the groove wheel shaft (16) is provided with a second bevel gear (17), and the second bevel gear (17) is engaged with the first bevel gear;The bottom end of the groove wheel shaft (16) is fixedly connected with the groove wheel driving wheel (18);The groove wheel driving wheel (18) is arranged in cooperation with the groove wheel driven wheel (19); The bottom of the groove wheel driven wheel (19) is fixedly connected with the baffle sliding groove device (20);The bottom of the baffle sliding groove device (20) is connected with the seeding mechanism; The seeding mechanism includes: seed box (32), baffle (22), baffle horizontal support device (23), seeding disc (25), clamp limiting plate (26) and multiple clamps (27); The outlet of the seed box (32) is located at the bottom of the seed box (32);The baffle horizontal support device (23) is arranged at the outlet of the seed box (32);The baffle (22) is movably arranged in the baffle horizontal support device (23);The protruding of the baffle (22) is movably arranged in the sliding groove of the baffle sliding groove device (20); The top of the seeding disc (25) is provided with a seeding disc transmission shaft (24);The seeding disc transmission shaft (24) passes through the clamp limiting plate (26) and is fixed at the bottom of the baffle sliding groove device (20); Multiple clamp mounting rods (36) are uniformly distributed in the radial direction of the seeding disc (25);The outer end of the clamp mounting rod (36) movably arranges the clamp (27);The spring (28) is sleeved on the clamp mounting rod (36), and the outer end of the spring (28) is connected with the clamp (27); Multiple seeding disc outlets (37) are uniformly distributed in the periphery of the seeding disc (25);The seeding disc outlet (37) is correspondingly arranged with the clamp (27); The clamp limiting plate (26) has an arc-shaped notch, and a downward limiting edge is arranged on the periphery of the clamp limiting plate (26); The outer end of the clamp (27) is provided with a clamp inclined surface (35);The top end of the clamp (27) is provided with a clamp protrusion (34);The clamp protrusion (34) is located inside the limiting edge.

2. The device for agricultural seeding according to claim 1, characterized in that, The front end of the housing is provided with a soil loosening device (30); The bottom of the housing is provided with multiple groups of walking wheels (31).

3. The device for agricultural seeding of claim 1, wherein, The drilling mechanism includes: motor (1), worm (3), turbine (10), synchronous rotation sliding rail (4), sliding block (5), drill bit (6), cam (7), first swing lever (11) and second swing lever (12); The motor (1) is arranged at the top of the housing;The output end of the motor (1) is connected with the worm (3);The worm (3) is connected with the turbine (10) in cooperation; The bottom end of the worm (3) is provided with a synchronous rotating slide rail (4); the synchronous rotating slide rail (4) is movably arranged in the rotary pair of the sliding block (5); the bottom end of the synchronous rotating slide rail (4) is connected with the drill bit (6); a plurality of spiral blades (14) are arranged on the drill bit (6); the drill bit (6) passes through the shell and extends downward; The turbine (10) is fixedly connected with the cam (7); the eccentric position of the cam (7) is hingedly connected with the first swing rod (11), and the other end of the first swing rod (11) is hingedly connected with the second swing rod (12); one end of the second swing rod (12) is movably arranged on the moving pair of the sliding block (5), and the other end is hingedly connected to the inner wall of the shell.

4. The device for agricultural seeding of claim 3, wherein, The inner top surface of the shell is provided with a worm support (2); The worm (3) passes through the worm support (2) and can move in the worm support (2).

5. The device for agricultural seeding of claim 3, wherein, The second swing rod (12) is hingedly connected with the fixed support (13), and the fixed support (13) is installed on the inner wall of the shell.

6. The device for agricultural seeding of claim 1, wherein, The slot wheel driving wheel is provided with a slot wheel protrusion (38).

7. The device for agricultural seeding of claim 6, wherein, A plurality of arc structures are arranged on the outer periphery of the slot wheel driven wheel (19), and the arc structures are recessed inwardly; And a radial long hole is left between adjacent arc structures; The arc of the arc structure is adapted to the outer peripheral arc of the slot wheel driving wheel (18).

8. The device for agricultural seeding of claim 1, wherein, The top end of the slot wheel shaft (16) is movably arranged in the slot wheel shaft mounting plate (15), and the slot wheel shaft mounting plate (15) is fixed to the inner wall of the shell.

9. The device for agricultural seeding of claim 1, wherein, The clamp limiting plate (26) is fixed to the inner wall of the shell.

10. The device for agricultural seeding of claim 1, wherein, The clamp (27) is provided with a spring support base (29), and the outer end of the spring (28) is connected with the clamp (27) through the spring support base (29).

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