Assembled type hole pressing and sowing device of floating or wet seedling tray-filling sowing machine

Abstract

The utility model discloses an assembly type hole-pressing seeding device of a floating or moist seedling-raising tray-loading seeding machine, which comprises a rack, a hole-pressing roller, a seeding roller, a seed bin and a transmission mechanism, the hole-pressing roller is assembled through a flexible disassembly and assembly mode of a hole-pressing sheet and a spacer bush, and the hole-pressing roller is simple to manufacture, more flexible, extremely low in cost, long in service life and convenient to maintain; a brush is arranged at the front end of the hole pressing roller, and a brush is arranged at the rear end of the seeding roller, so that the equipment runs stably, and meanwhile, the hole pressing quality is improved, so that the seeding accuracy is guaranteed; a seed accommodating hole of the seeding roller is designed in a linear contact manner, so that the seeding is stable, and the seeding efficiency and quality are improved; meanwhile, the front supporting rod and the rear supporting rod of the rack are optimally designed, so that inspection, maintenance, lifting of the rods, adjustment of the seeding height and the like are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of floating seedling tray filling and sowing machines, in particular to an assembled hole-pressing and sowing device for a floating or wet seedling tray filling and sowing machine. Background Art

[0002] During the cultivation of crops such as tobacco, flowers, and vegetables, a sowing machine is used for hole sowing of seedling trays. The existing floating seedling tray filling and sowing machines mainly include a frame, a conveying and transmission mechanism, a tray rack, a hopper mechanism, and a hole-pressing and sowing device arranged on the frame. During use, the conveying and transmission mechanism is relied on to convey the seedling tray, and the movement of the seedling tray is relied on to drive the hole-pressing and sowing device to work. However, the design of the hole-pressing and sowing device of the existing floating seedling tray filling and sowing machine still has deficiencies, mainly manifested as defects in the design of the hole-pressing roller, including: (1) Even if the existing hole-pressing roller is designed as an assembled type, a fixed roller of the hole-pressing piece or other template structures are required, with a relatively high structural cost and a relatively high replacement cost. (2) The distance between each hole-pressing tooth cannot be flexibly adjusted or the cost of flexible adjustment is relatively high, making it difficult to meet the requirements of various hole-pressing and sowing. (3) The hole-pressing roller and the sowing roller will adhere to the substrate, making the hole-pressing quality unstable. (4) The seed receiving holes of the sowing roller are U-shaped, and the seeds often cannot come out after entering, thus reducing the sowing efficiency. (5) It is inconvenient to adjust and inspect the frame. Summary of the Invention

[0003] The purpose of the utility model is to provide an assembled hole-pressing and sowing device for a floating or wet seedling tray filling and sowing machine, which has a simple structure, is convenient for maintenance, and has flexible adaptability, aiming at the deficiencies existing in the above-mentioned prior art.

[0004] The utility model is realized through the following technical solutions: An assembled hole-pressing and sowing device for a floating or wet seedling tray filling and sowing machine, including a frame, a hole-pressing roller rotatably installed at the front end of the frame and provided with a plurality of hole-pressing pieces thereon, a sowing roller rotatably installed at the rear end of the frame and provided with a plurality of seed receiving holes thereon, a seed bin installed on the frame and located above the side of the sowing roller, and a transmission mechanism for drivingly connecting the sowing roller and the hole-pressing roller, characterized in that: the hole-pressing roller includes a rotating shaft, a spacer sleeve, and hole-pressing pieces, the hole-pressing pieces are sleeved on the rotating shaft and fixed, and each hole-pressing piece is separated by a spacer sleeve connected to the rotating shaft.

[0005] Preferably, key grooves are provided on the rotating shaft, the hole-pressing pieces, and the spacer sleeve, and they are connected and fixed by flat key bars.

[0006] Preferably, the spacer sleeves are made into spacer sleeves with different lengths according to the specifications of the floating trays to meet the requirements of corresponding different specifications of floating trays.

[0007] Preferably, a brush I is provided at the front end of the hole-pressing roller. The brush I is installed on the frame through the pulling handle of the seeding head and contacts the hole-pressing piece.

[0008] Preferably, a brush II is provided at the rear end of the seeding roller. The brush II is installed on the frame through the pulling handle of the seeding machine tail and contacts the seeding roller.

[0009] Preferably, the seed receiving holes on the seeding roller are conical and the cross-section is triangular.

[0010] Preferably, the seed bin includes a seed bin baffle, a seed bin cover plate and a seed protection cloth. The lower part of the seed bin is connected to the upper rear side of the seeding roller. A seed bin baffle is provided at the connection. There is a distance of 0.1 mm - 1 mm between the seed bin baffle and the seeding roller. The position of the seed bin baffle is at the middle position behind the seeding roller. The seed bin cover plate is installed on the frame above the seed bin. A seed protection cloth is installed in front of the seed bin outlet.

[0011] Preferably, the transmission mechanism is a sprocket mechanism, including sprockets and chains. One sprocket is respectively installed on one side of the hole-pressing roller and the seeding roller and they are connected by a chain.

[0012] Preferably, two bolts are provided on the rear support rod of the frame to fix the rear height. An L-shaped angle steel is provided at the front end of the frame. A front support rod with a rotating handle is installed on the angle steel. Two bolts are provided on the front support rod to fix it to the L-shaped angle steel and can be rotated at any time for easy inspection, maintenance, and there is also a lifting rod to adjust the seeding height, etc.

[0013] Compared with the prior art, the utility model has the following advantages:

[0014] (1) The hole-pressing roller is assembled in a flexible dismountable manner through the hole-pressing piece and the spacer sleeve, with simple production, greater flexibility, extremely low cost, long service life and convenient maintenance.

[0015] (2) A brush is provided at the front end of the hole-pressing roller and a brush is provided at the rear end of the seeding roller, making the equipment run stably. At the same time, the hole-pressing quality is improved, thus ensuring the accuracy of seeding.

[0016] (3) The seed receiving holes are designed with line contact, making seeding stable and improving the seeding efficiency and quality.

[0017] (3) The front and rear support rods of the frame are optimized in design for easy inspection, maintenance, and there is also a lifting rod to adjust the seeding height, etc. Description of the Drawings

[0018] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0020] Figure 2 It is a schematic top view structure diagram of the present invention.

[0021] Figure 3 It is a schematic cross-sectional structure diagram of the present invention.

[0022] Figure 4 It is a schematic rear structure diagram of the present invention.

[0023] Figure 5 It is a schematic right-side structure diagram of the present invention.

[0024] Figure 6 It is a schematic left-side structure diagram of the present invention.

[0025] Figure 7 It is a schematic structure diagram of the seed accommodation holes on the seeding roller of the present invention.

[0026] Figure 8 It is a schematic diagram of the keyway on the hole-pressing piece of the present invention.

[0027] Figure 9 It is a schematic diagram of the keyway on the hole-pressing roller of the present invention.

[0028] Figure 10 It is a schematic diagram of the keyway on the spacer sleeve of the present invention.

[0029] In the figure: 1 - frame, 2 - hole-pressing roller, 3 - seeding roller, 4 - hole-pressing piece, 5 - seed accommodation hole, 6 - seed bin, 7 - rotating shaft, 8 - spacer sleeve, 9 - brush I, 10 - seeding head handle, 11 - brush II, 12 - seeding machine tail handle, 13 - seed bin baffle, 14 - seed bin cover plate, 15 - seed protection cloth, 16 - sprocket, 17 - chain, 18 - rear support rod, 19 - front support rod, 20 - keyway, 21 - flat key strip. Detailed implementation manners

[0030] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0031] As Figures 1-10 shown, an assembled hole-pressing and seeding device for a floating or wet seedling-raising tray seeding machine of the present invention includes a frame 1, a hole-pressing roller 2 rotatably installed at the front end of the frame 1 and provided with a plurality of hole-pressing pieces 4 thereon, a seeding roller 3 rotatably installed at the rear end of the frame 1 and provided with a plurality of seed receiving holes 5 thereon, a seed bin 6 installed on the frame 1 and located above the side of the seeding roller 3, and a transmission mechanism for drivingly connecting the seeding roller 3 and the hole-pressing roller 2. The hole-pressing roller 2 includes a rotating shaft 7, a spacer sleeve 8, and the hole-pressing pieces 4. The hole-pressing pieces 4 are sleeved on the rotating shaft 7 and fixed. Each hole-pressing piece 4 is separated by a spacer sleeve 8 also sleeved on the rotating shaft 7. According to the seeding requirements, only by making the length of the spacer sleeve 8 according to the width of the hole, and flexibly setting the number and spacing of the spacer sleeve 8 and the hole-pressing pieces 4, various seeding requirements can be met. The spacer sleeve 8 can be made of plastic, plastic, metal, etc. Using the combination form of the spacer sleeve 8 and the hole-pressing pieces 4, it is simple to manufacture, more flexible, has extremely low cost, long service life, and is convenient for maintenance.

[0032] Further, key grooves 20 are provided on the rotating shaft 7, the hole-pressing pieces 4, and the spacer sleeve 8, and are fixedly connected by a flat key strip 21. This assembly method makes the operation very simple. However, it can be imagined that fixing methods such as bolts, spot welding, and other assemblies can also be used.

[0033] Further, a brush I 9 is provided at the front end of the hole-pressing roller 2. The brush I 9 is installed on the frame 1 through a seeding machine head handle 10. The brush I 9 contacts the hole-pressing pieces 4. During the operation of the device, the substrate on the hole-pressing pieces 4 is removed, making the device operate stably. At the same time, the hole-pressing quality is improved, thus ensuring the accuracy of seeding.

[0034] Further, a brush II 11 is provided at the rear end of the seeding roller 3. The brush II 11 is installed on the frame through a seeding machine tail handle 12. The brush II 11 contacts the seeding roller 3. During the operation of the device, the substrate on the seeding roller 3 is removed, making the device operate stably. At the same time, the substrate in the seed receiving holes 5 is removed, thus ensuring the stability of seeding.

[0035] Further, the seed receiving holes 5 on the seeding roller 3 are conical, and the cross-section is triangular, so that the seeds are in line contact with the holes, making it easier to enter and exit, and not getting stuck, thus improving the seeding success rate.

[0036] Further, the seed bin 6 includes a seed bin baffle 13, a seed bin cover plate 14, and a seed protection cloth 15. The lower part of the seed bin 6 is connected to the upper rear side of the seeding roller 3. A seed bin baffle 13 is provided at the connection. There is a distance of 0.1 mm - 1 mm between the seed bin baffle 13 and the seeding roller 3. The position of the seed bin baffle 13 is at the middle position behind the seeding roller 3. The seed bin cover plate 14 is installed on the frame 1 above the seed bin 6. A seed protection cloth 15 is installed in front of the outlet of the seed bin 6. It can be a non-woven fabric installed on the frame 1, wrapping the front half of the entire seeding roller 3. The upper and lower parts are fixed by connectors installed on the frame 1, so that the seeding is not interfered by the external environment. When the seed receiving holes 5 on the seeding roller 3 exit the seed bin 6, under the protection of the non-woven fabric, the seeds will only fall when reaching the bottom outlet, making the seeding stable.

[0037] Further, the transmission mechanism is a sprocket mechanism, including sprockets 16 and a chain 17. A sprocket 16 is respectively installed on one side of the hole punching roller 2 and the seeding roller 3 and connected by the chain 17.

[0038] Further, two bolts are provided on the rear support rod 18 of the frame 1 to fix the rear height. An L-shaped angle steel is provided at the front end of the frame 1. A front support rod 19 with a rotating handle is installed on the angle steel. Two bolts are provided on the front support rod 19 to be fixed to the L-shaped angle steel and can be rotated at any time, facilitating inspection, maintenance, and the lifting rod to adjust the seeding height, etc.

[0039] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. An assembled hole-pressing and sowing device for a floating or wet seedling-raising tray seeding machine, comprising a frame, a hole-pressing roller rotatably installed at the front end of the frame and provided with a plurality of hole-pressing pieces thereon, a sowing roller rotatably installed at the rear end of the frame and provided with a plurality of seed receiving holes thereon, a seed bin installed on the frame and located above the side of the sowing roller, and a transmission mechanism for drivingly connecting the sowing roller and the hole-pressing roller, characterized in that: The acupoint pressing roller includes a rotating shaft, a spacer sleeve, and acupoint pressing pieces. The acupoint pressing pieces are sleeved on the rotating shaft and fixed, and each acupoint pressing piece is separated by a spacer sleeve connected to the rotating shaft.

2. The assembled hole-pressing and sowing device of a floating or wet seedling-raising tray seeding machine according to claim 1, characterized in that, Key grooves are provided on the rotating shaft, the acupoint pressing pieces, and the spacer sleeve, and they are connected and fixed by flat key bars.

3. The assembled hole-pressing and sowing device of a floating or wet seedling-raising tray seeding machine according to claim 1, characterized in that, The spacer sleeves are made into spacer sleeves with different lengths according to the specifications of the floating trays.

4. The assembled hole-pressing and sowing device of a floating or wet seedling-raising tray seeding machine according to claim 1, characterized in that A brush Ⅰ is provided at the front end of the acupoint pressing roller. The brush Ⅰ is installed on the frame through the pulling handle of the seeding head, and the brush Ⅰ contacts the acupoint pressing pieces.

5. The assembled hole-pressing and sowing device of a floating or wet seedling-raising tray seeding machine according to claim 1, characterized in that, A brush Ⅱ is provided at the rear end of the seeding roller. The brush Ⅱ is installed on the frame through the pulling handle of the seeding machine tail, and the brush Ⅱ contacts the seeding roller.

6. The assembled hole-pressing and sowing device of a floating or wet seedling-raising tray seeding machine according to claim 1, characterized in that The seed receiving holes on the seeding roller are conical, and the cross-section is triangular.

7. The assembled hole-pressing and sowing device of a floating or wet seedling-growing tray seeding machine according to claim 1, characterized in that, The seed bin includes a seed bin baffle, a seed bin cover plate, and a seed protection cloth. The lower part of the seed bin is connected to the upper rear side of the seeding roller. A seed bin baffle is provided at the connection, and there is a distance of 0.1 mm - 1 mm between the seed bin baffle and the seeding roller. The position of the seed bin baffle is at the middle position behind the seeding roller. The seed bin cover plate is installed on the frame above the seed bin, and a seed protection cloth is installed in front of the seed bin outlet.

8. The assembled hole-pressing and sowing device of a floating or wet seedling-growing tray seeder according to claim 1, characterized in that The transmission mechanism is a sprocket mechanism, including sprockets and chains. A sprocket is respectively installed on one side of the acupoint pressing roller and the seeding roller, and they are connected by a chain.

9. The assembled hole-pressing and sowing device of a floating or wet seedling-raising tray seeding machine according to claim 1, characterized in that, Two bolts are provided on the rear support rod of the frame to fix the rear height. An L-shaped angle steel is provided at the front end of the frame. A front support rod with a rotating handle is installed on the angle steel. Two bolts are provided on the front support rod to fix it to the L-shaped angle steel, and it can be rotated at any time for easy inspection, maintenance, and there is also a lifting rod to adjust the seeding height.

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