CN105557131B - Plug seedling raising device - Google Patents

Abstract

The invention provides a plug seedling raising device, comprising: a bracket, a plug matrix conveying mechanism, a plug soil covering mechanism, a plug matrix punching mechanism, a seeding mechanism, a secondary soil covering mechanism and a watering mechanism; a plug matrix conveying mechanism Set on the support, the tray soil covering mechanism, the tray matrix punching mechanism, the seeding mechanism, the secondary soil covering mechanism and the watering mechanism are all located above the tray matrix conveying mechanism, and are arranged on the bracket in sequence along the movement direction of the tray . The tray seedling raising device provided by the present invention only requires fewer workers to observe the moving position of the tray, and manually start and close each of the above-mentioned functional mechanisms; this can effectively reduce the labor cost when planting seedlings and reduce the labor of workers. The strength and production cost can be improved, and the work efficiency can also be improved; moreover, the above-mentioned functional mechanisms are arranged on the same support, which can also make the structure of the whole device more compact.

Description

Plug seedling device

technical field

The invention relates to the technical field of agriculture and horticultural plug planting machinery, in particular to a plug seedling raising device.

Background technique

At present, the sowing of plug seedlings is mainly done by hand in the greenhouse. However, manual sowing is labor-intensive, low in production efficiency, and there are also problems such as uneven seed sowing. At the same time, with the industrialization of vegetables, the demand for sowing The sharp increase in the population and the shortage of agricultural labor force brought about by the aging society have made manual sowing unable to meet the needs of production and sales.

Contents of the invention

The object of the present invention is to provide a plug seedling raising device to solve the technical problems of high labor intensity and low production efficiency of manual sowing existing in the prior art.

A plug seedling raising device provided by the present invention includes: a bracket, a plug matrix conveying mechanism, a plug soil covering mechanism, a plug matrix punching mechanism, a seeding mechanism, a secondary soil covering mechanism and a watering mechanism;

The tray matrix conveying mechanism is arranged on the support, and the tray soil covering mechanism, the tray matrix punching mechanism, the seeding mechanism, the secondary soil covering mechanism and the watering mechanism are all located at the Above the tray matrix delivery mechanism, and arranged on the support in sequence along the moving direction of the tray,

The hole tray soil covering mechanism includes a matrix hopper and a screen, the screen and the matrix hopper are connected to the support, and the screen is located below the matrix hopper; and the bottom of the screen is connected There are matrix channels for covering matrix on the tray;

The screen is arranged obliquely, and an impurity guide groove is provided on the lower side of the screen, and the opening of the impurity guide groove is flush with the lowest plane of the screen or lower than the screen the lowest level of

The tray soil covering mechanism also includes an agitation mechanism for poking out the matrix in the matrix hopper and a second power source connected to the matrix hopper for shaking the matrix in the matrix hopper onto the screen.

The hole tray soil covering mechanism also includes a first drive unit, the first drive unit includes a first power part and a first transmission part, the first power part is arranged on the support, and is connected with the first transmission part The first transmission part is connected with the screen, and the first transmission part drives the screen to reciprocate under the drive of the first power part, so that the matrix is evenly laid on the on the hole plate;

The first transmission part includes a first connecting rod and a second connecting rod; the output shaft of the first power part is connected to one end of the first connecting rod, and the other end of the first connecting rod is connected to the first connecting rod. One end of the two connecting rods is hinged, and the other end of the second connecting rod is hinged with the screen;

The first driving unit also includes a guide part, the guide part includes a first guide rod and a slider, both ends of the first guide rod are arranged on the bracket, and the slider is sleeved on the first guide rod. A guide rod is connected with the screen; and the slider is hinged with the second connecting rod at the same time.

The secondary soil-covering mechanism includes a retaining bar, and supports are provided at both ends of the retaining bar, and each of the supports is connected to the bracket; the retaining bar is dovetail-shaped.

Further, the hole tray matrix punching mechanism includes a second driving unit, a punching unit and a fixing frame; both the second driving unit and the punching unit are arranged on the fixing frame, and the fixing frame is arranged on on the bracket;

The second drive unit includes a second power part and a second transmission part, the output shaft of the second power part is connected to the second transmission part, the second transmission part is connected to the punching unit, and The cooperation between the second power part and the second transmission part can drive the punching unit to move up and down.

Further, the second transmission part includes a third connecting rod, a fourth connecting rod, a first pulley, a second pulley and a timing belt;

The output shaft of the second power part is connected to the first pulley, and the timing belt is sleeved on the first pulley and the second pulley;

One end of the third connecting rod is connected to the rotating shaft of the second pulley, the other end is hinged to one end of the fourth connecting rod, and the other end of the fourth connecting rod is hinged to the punching unit.

Further, the punching unit includes a fixed plate and a plurality of punching hammers, and a plurality of the punching hammers are all arranged on the fixed plate, and the fourth connecting rod is hinged to the fixed plate; The matrix punching mechanism also includes a second guide rod, one end of the second guide rod is arranged on the fixing plate, and the other end is passed through the fixing frame.

Further, the sowing mechanism includes a seed hopper, a seed guide unit and a plurality of seed guide pipes, the seed hopper is arranged on the support, and the plurality of seed guide pipes are arranged at the outlet of the seed hopper, and The seeds can only fall into the hole tray through the seed introduction pipe; the seed introduction unit is arranged inside the seed hopper, and can ensure that only one seed enters the hole tray through the corresponding seed introduction pipe at a time;

The seed guide unit includes a sowing part and a seed brushing part, the sowing part is used to introduce seeds into the seed guide tube, and the seed brushing part is used to remove redundant seeds on the sowing part, so as to ensure that each Once only one seed enters in the seed introduction tube.

Further, the sowing part includes a sowing wheel, and a plurality of seed grooves are arranged on the sowing wheel, and the seed brush part includes a brush wheel; the sowing wheel and the brush wheel rotate in the same direction, and the bristles The brush wheel can ensure that there is only one seed in the seed trough.

Further, the sowing mechanism includes a third driving unit, the third driving unit includes a driving part and a reversing part, and the reversing part is connected with the sowing wheel and the brush wheel at the same time; The reversing part is connected, and the two cooperate to realize the rotation of the sowing wheel and the brush wheel in the same direction;

The reversing part includes a first gear, an idler gear and a second gear, the first gear is connected to the output shaft of the driving part, and the idler gear meshes with the first gear and the second gear at the same time The rotating shaft of the first gear is connected with the brush wheel, and the rotating shaft of the second gear is connected with the rotating shaft of the sowing wheel.

Further, positioning sensors are all provided on the tray matrix conveying mechanism, the tray soil covering mechanism, the tray matrix punching mechanism, the sowing mechanism, the secondary soil covering mechanism and the watering mechanism, The positioning sensor is used to realize the automatic positioning of the tray.

Compared with prior art, the beneficial effect of the present invention is:

The tray seedling raising device provided by the present invention only needs fewer workers to observe the moving position of the tray, manually start and close the tray soil covering mechanism, the tray matrix punching mechanism, the seeding mechanism, the secondary soil covering mechanism and the watering mechanism. Yes; this can effectively reduce the labor cost when sowing and raising seedlings, reduce the labor intensity and production cost of workers, and can also improve work efficiency at the same time; The mechanism, the seeding mechanism, the secondary soil covering mechanism and the watering mechanism are all arranged on the same support, which can also make the structure of the whole device more compact.

Description of drawings

In order to more clearly illustrate the specific implementation of the present invention or the technical solutions in the prior art, the following will briefly introduce the accompanying drawings that need to be used in the specific implementation or description of the prior art. Obviously, the accompanying drawings in the following description The drawings show some implementations of the present invention, and those skilled in the art can obtain other drawings based on these drawings without any creative work.

Fig. 1 is the axonometric view of the plug seedling raising device that the embodiment of the present invention provides;

Fig. 2 is the axonometric view of the plug soil covering mechanism of the plug seedling raising device shown in Fig. 1;

Fig. 3 is the axonometric view of the hole tray substrate punching mechanism of the tray seedling raising device shown in Fig. 1;

Fig. 4 is the axonometric view of the seeding mechanism of the plug seedling raising device shown in Fig. 1;

Fig. 5 is the axonometric view of the secondary soil covering mechanism of the plug seedling raising device shown in Fig. 1;

Fig. 6 is the axonometric view of the watering mechanism of the plug seedling raising device shown in Fig. 1;

Fig. 7 is an axonometric view of the bracket and the tray matrix conveying mechanism of the tray seedling raising device shown in Fig. 1 .

Reference signs:

1-tray matrix conveying mechanism; 2-tray tray soil covering mechanism; 3-tray matrix punching mechanism; 4-sowing mechanism; 5-secondary soil covering mechanism; 6-watering mechanism; 7-support;

11-conveyor belt; 12-fourth drive unit; 21-substrate hopper; 22-screen; 23-substrate guide groove; 24-first drive unit; 25-mud claw; 26-first power source; Two power sources; 28-guide rod support; 31-second drive unit; 32-punching unit; 33-fixed frame; 34-second guide rod; 41-seed hopper; wheel; 44-brush wheel; 45-third drive unit; 46-base; 51-block; 52-support; 61-solenoid valve; 62-water pipe;

241-first connecting rod; 242-second connecting rod; 243-first guide rod; 244-slider; 311-third connecting rod; 312-fourth connecting rod; 313-first pulley; 314-second Pulley; 315-synchronous belt; 321-fixed plate; 322-perforating hammer; 431-kind of groove; 451-driving part; 452-first gear;

Detailed ways

The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, or in a specific orientation. construction and operation, therefore, should not be construed as limiting the invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary, and it may be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

Fig. 1 is the axonometric view of the plug seedling raising device provided by the embodiment of the present invention; Fig. 2 is the axonometric view of the plug soil covering mechanism of the plug seedling raising device shown in Fig. 1; Fig. 3 is the plug shown in Fig. 1 The axonometric view of the hole tray matrix punching mechanism of the seedling raising device; Fig. 4 is the axonometric view of the seeding mechanism of the plug seedling raising device shown in Fig. 1; Fig. 5 is the secondary soil covering of the plug seedling raising device shown in Fig. 1 The axonometric view of the mechanism; Fig. 6 is the axonometric view of the watering mechanism of the plug seedling raising device shown in Fig. 1; Fig. 7 is the axonometric view of the support of the plug seedling raising device shown in Fig. 1 and the plug matrix conveying mechanism picture.

As shown in Figures 1-7, the present embodiment provides a plug seedling raising device, including: a bracket 7, a plug matrix conveying mechanism 1, a plug soil covering mechanism 2, a plug matrix punching mechanism 3, a seeding mechanism 4, The secondary soil covering mechanism 5 and the watering mechanism 6; the tray matrix conveying mechanism 1 is arranged on the support 7, and the tray soil covering mechanism 2, the tray matrix punching mechanism 3 and the seeding mechanism 4 are all located above the tray matrix conveying mechanism 1 , and are arranged on the bracket 7 in turn along the moving direction of the tray.

When in use, first place the tray on the tray matrix conveying mechanism 1, then start the tray matrix conveying mechanism 1, when the tray moves to the tray soil covering mechanism 2, the tray matrix punching mechanism 3, and the seeding mechanism 4 1. When the secondary soil covering mechanism 5 and the watering mechanism 6 are below the positions, the corresponding mechanism is manually activated, thereby completing the operations of primary soil covering, drilling, sowing, secondary soil covering, and watering.

With the above-mentioned structure, semi-automatic operation or full-automatic operation of plug seedling seedling seeding can be realized; semi-automatic operation, that is, at least one worker is required to observe the moving position of the plug, and manually start and close the plug soil covering mechanism 2, plug matrix Punching mechanism 3, seeding mechanism 4, secondary soil covering mechanism 5 and watering mechanism 6; This can effectively reduce the labor cost when sowing seedlings, reduce labor intensity and production cost of workers, and can also improve work efficiency at the same time; , the tray matrix conveying mechanism 1, the tray soil covering mechanism 2, the tray matrix punching mechanism 3, the seeding mechanism 4, the secondary soil covering mechanism 5 and the watering mechanism 6 are all arranged on the same support 7, and the whole The structure of the device is more compact.

On the basis of the foregoing embodiments, specifically, as shown in FIG. 2 , the tray soil covering mechanism 2 includes a matrix hopper 21 and a screen 22, the screen 22 and the matrix hopper 21 are all connected to the support 7, and the screen 22 is located in the matrix. The bottom of the hopper 21 and the bottom of the screen 22 are connected with a substrate guide groove 23, and the substrate guide groove 23 is used to cover the substrate on the tray.

The matrix is placed in the matrix hopper 21, and the matrix falls on the screen 22 through the outlet of the matrix hopper 21, and the matrix filtered by the screen 22 is covered on the tray; the above-mentioned structure can replace the manual operation of covering soil and improve work efficiency; Moreover, the sieve 22 can also filter out the impurities in the matrix, so that the cleaner matrix falls on the plug tray, which can improve the purity of the matrix and provide a better growth environment for the seeds.

On the basis of the foregoing embodiments, specifically, as shown in FIG. 2 , the screen 22 is arranged obliquely, and an impurity guide groove is provided on the lower side of the screen 22 horizontal plane, and the opening of the impurity guide groove is in line with the screen 22 The lowest plane of the screen cloth 22 is flush with or lower than the lowest plane of the screen cloth 22.

It should be noted that, when the screen 22 is arranged obliquely, one end must be located on a higher level, and the other end must be located on a lower level, and the impurity guide groove is arranged on the lower level.

The sieve 22 is tilted so that the sieved impurities roll down into the impurity guide groove. In order to allow the impurities to enter the impurity guide groove, the opening of the impurity guide groove is set to be flush with the lowest plane of the screen 22 or lower than the screen The lowest plane of 22; setting impurity guide grooves to facilitate timely cleaning of impurities and avoid excessive impurities accumulating on the surface of the screen 22 to block the mesh holes of the screen 22 after long-term use, resulting in the situation that the matrix cannot fall into the tray Appear.

On the basis of the above-described embodiments, specifically, as shown in FIG. 2 , the hole tray soil covering mechanism 2 also includes a first drive unit 24, the first drive unit 24 is connected to the screen 22, and can drive the screen 22 to reciprocate. In this way, the matrix is evenly spread on the tray.

The first drive unit 24 is set to drive the screen cloth 22 to reciprocate, thereby increasing the filtration speed of the matrix, and can also ensure that the matrix can be evenly covered on the tray; specifically, the first drive unit 24 can have multiple options , can be manual or electric, such as: motor, cylinder, hydraulic cylinder, electro-hydraulic push rod or telescopic rod, lead screw, etc.

On the basis of the above embodiments, specifically, as shown in FIG. 2 , the first drive unit 24 includes a first power part and a first transmission part, and the first power part is arranged on the bracket 7 and connected with the first transmission part , the first transmission part is connected with the screen 22, and the first transmission part can perform reciprocating motion under the drive of the first power part.

The first power part can have multiple options, for example: motor, cylinder, hydraulic cylinder, etc.; the first transmission part can also have multiple options, for example: piston rod, lead screw and nut or crank connecting rod, etc.

On the basis of the above embodiments, specifically, as shown in FIG. 2 , the first transmission part includes a first connecting rod 241 and a second connecting rod 242; the output shaft of the first power part is connected to one end of the first connecting rod 241 , the other end of the first connecting rod 241 is hinged to one end of the second connecting rod 242 , and the other end of the second connecting rod 242 is hinged to the screen 22 .

The crank link structure formed by the first connecting rod 241 and the second connecting rod 242 has two dead points, therefore, the limit position of the screen 22 can be limited, so that the first connecting rod 241 and the second connecting rod 242 The length of the sieve is reasonably designed to ensure that the substrate on the screen 22 also falls in the tray instead of outside the tray when it is in the two extreme positions.

On the basis of the above embodiments, specifically, as shown in FIG. 2 , the first drive unit 24 further includes a guide part connected to the second connecting rod 242 for guiding the reciprocating motion of the first transmission part.

There are many choices for the guide part, for example: guide post, guide rail and slider 244, etc.; there are many choices for the guide rail, for example: guide rod or track, and so on.

The guide part is set, and when the screen cloth 22 is reciprocating, it can be ensured that the screen cloth 22 always moves on the predetermined track without deviation, thereby ensuring that all substrates can be accurately dropped on the tray without falls on the outside of the tray.

On the basis of the foregoing embodiments, specifically, as shown in FIG. 2 , the guide portion includes a first guide rod 243 and a slider 244, the two ends of the first guide rod 243 are arranged on the bracket 7, and the slider 244 is sleeved on The first guide rod 243 is connected to the screen 22 ; and the slider 244 is hinged to the second connecting rod 242 at the same time.

The quantity of the first guide rod 243 can be one or more, when the first guide rod 243 is two, the two first guide rods 243 are respectively arranged on both sides of the screen cloth 22, which can ensure that the screen cloth 22 is stressed Uniform, so as to achieve better guiding effect.

And, the quantity of the slide block 244 on each first guide bar 243 also can have multiple, for example two or three, etc.; Certainly, all slide blocks 244 are all connected with screen cloth 22, and, One of the sliders 244 is hinged to the second connecting rod 242 .

In order to set the first guide rod 243 on the support 7 conveniently and quickly, the hole tray soil covering mechanism 2 can also include a guide rod support 28, and the guide rod support 28 is arranged on the support 7. The first guide rod 243 and the first power All are connected with guide rod support 28.

On the basis of the above-described embodiments, specifically, as shown in Figure 2, the hole tray soil covering mechanism 2 also includes a stirring mechanism for poking out the matrix in the matrix hopper 21; the stirring mechanism can have multiple options, for example: mud claw 25 And the first power source 26, the mud claws 25 are arranged at the outlet of the matrix hopper 21, and the first power source 26 is used to drive the mud claws 25 to move. Specifically, the mud claw 25 includes: a rotating rod and a plurality of supporting rods arranged on the rotating rod. When in use, the first power source 26 drives the rotating rod to rotate, and at this time, the supporting rods will also rotate accordingly, thereby playing The effect of agitating the matrix.

When the substrate fell into the screen cloth 22 through the outlet of the substrate hopper 21, the situation that the substrate diameter was too large or the quality of the substrate was too large to block the outlet of the substrate hopper 21, therefore, mud claws 25 and the first power source 26 were set, The moving mud claws 25 can poke the substrates at the substrate hopper 21 and break the large diameter ones into small diameter ones, so that all substrates can fall on the screen cloth 22 . Specifically, the first power source 26 can have multiple options, for example: motor, air cylinder or hydraulic cylinder, etc., and the output shaft of the first power source 26 is connected with the rotating rod of the mud claw 25 .

On the basis of the above-mentioned embodiments, specifically, as shown in FIG. 2 , the hole tray soil covering mechanism 2 also includes a second power source 27, and the second power source 27 is connected to the substrate hopper 21 for making the substrate in the substrate hopper 21 The shock falls onto the sieve 22.

The second power source 27 can have multiple options, for example: vibrating motor, etc.; The second power source 27 is set, and the substrate attached on the inner side wall of the substrate hopper 21 can also be shaken onto the screen cloth 22, thereby avoiding the substrate. waste, and at the same time the matrix can fall evenly.

On the basis of the foregoing embodiments, specifically, as shown in FIG. 3 , the tray matrix punching mechanism 3 includes a second driving unit 31, a punching unit 32 and a fixing frame 33; the second driving unit 31 and the punching unit 32 They are all arranged on the fixed frame 33, and the fixed frame 33 is arranged on the bracket 7; the second driving unit 31 includes a second power part and a second transmission part, the output shaft of the second power part is connected with the second transmission part, and the second transmission part part is connected with the punching unit 32, and the second power part and the second transmission part can drive the punching unit 32 to move up and down.

The second power part can have multiple options, for example: stepping motor, air cylinder or hydraulic cylinder, etc.; the second transmission part can have multiple options, for example: belt drive, chain drive or crank-connecting rod drive, etc. The punching mechanism is set, which can automatically punch holes on the matrix of the plug tray to prepare for the subsequent sowing process, and can also speed up the work process and improve work efficiency.

On the basis of the above embodiments, specifically, as shown in FIG. 3 , the second transmission part includes a third connecting rod 311 and a fourth connecting rod 312, and one end of the third connecting rod 311 is connected to the output shaft of the second power part , the other end of the third connecting rod 311 is hinged to one end of the fourth connecting rod 312 , and the other end of the fourth connecting rod 312 is hinged to the punching unit 32 .

The crank connecting rod structure formed by the third connecting rod 311 and the fourth connecting rod 312 has two dead points, therefore, the limit position of the punching unit 32 can be limited, specifically, by adjusting the third connecting rod 311 and the fourth connecting rod 311 The length of the connecting rod 312 is reasonably designed to ensure that the hole punched by the punching unit 32 on the matrix of the tray has a reasonable depth.

On the basis of the foregoing embodiments, specifically, as shown in FIG. 3 , the second transmission part further includes a first pulley 313, a second pulley 314 and a synchronous belt 315, and the output shaft of the second power part is connected to the first pulley 313. , the synchronous belt 315 is sleeved on the first pulley 313 and the second pulley 314; one end of the third connecting rod 311 is connected with the rotating shaft of the second pulley 314.

The motion of the second power part is transmitted to the third connecting rod 311 and the fourth connecting rod 312 through the first pulley 313, the second pulley 314 and the synchronous belt 315, so that the third connecting rod 311 and the fourth connecting rod 312 can be moved It is more stable and synchronous. Moreover, with the above structure, the installation space of the second drive unit 31 can be reduced, making the overall structure of the tray matrix punching mechanism 3 more compact.

On the basis of the above-mentioned embodiments, specifically, as shown in FIG. 3 , the punching unit 32 includes a fixed plate 321 and a plurality of punching hammers 322, and the multiple punching hammers 322 are all arranged on the fixed plate 321. The rod 312 is hinged to the fixed plate 321 .

A plurality of punching hammers 322 can be set to punch a plurality of holes on the substrate at one time, thereby improving the punching efficiency of the punching unit 32; The plate 321 is hinged with the fourth connecting rod 312, which can reduce the difficulty of installation and connection, and make the installation faster and more convenient.

On the basis of the above-mentioned embodiments, specifically, as shown in FIG. 3 , the tray matrix punching mechanism 3 also includes a second guide rod 34, one end of the second guide rod 34 is arranged on the fixing plate 321, and the other end is passed through On the fixed frame 33.

It should be noted that the number of second guide rods 34 can be one or more. When the number of second guide rods 34 is multiple, preferably, in order to balance the force on the punching unit 32, it should be evenly distributed on the fixed board 321.

The setting of the second guide rod 34 can guide the rising and falling of the punching hammer 322 so that it always moves on a plane, thereby making the punching more accurate.

On the basis of the foregoing embodiments, specifically, as shown in Figure 4, the sowing mechanism 4 includes a seed hopper 41 and a plurality of seed guide tubes 42, the seed hopper 41 is arranged on the support 7, and a plurality of seed guide tubes 42 are all arranged on The outlet of the seed hopper 41, and the seeds can only fall into the plug tray through the seed introduction pipe 42.

The seed hopper 41 is used to hold seeds, and one end of the seed introduction pipe 42 communicates with the inside of the seed hopper 41, and the other end is located above the hole tray, and the seeds can only fall into the hole tray through the seed introduction pipe 42, and each seed introduction pipe The pipes 42 all correspond to a seed hole in the plug tray.

By adopting the above-mentioned arrangement, it can be ensured that the seeds accurately fall into the seed holes from the specific channel, and will not fall into other positions, so that the seeds will not be wasted.

On the basis of the above-mentioned embodiments, specifically, as shown in FIG. 4 , the seeding mechanism 4 also includes a seed introduction unit, which is arranged inside the seed hopper 41 and can ensure that only one seed passes through the corresponding seed introduction tube at a time. 42 into the plug.

The seed introduction unit is set to ensure that only one seed falls into a seed hole at a time in each seed guide tube 42, so that the situation that a seed hole contains many seeds can be avoided, and the waste of seeds can also be avoided.

Adopt above-mentioned structure, because the quantity of seed introduction pipe 42 is consistent with the quantity of seed hole in the hole tray, that is, each seed introduction pipe 42 all corresponds to a kind of hole, and this just can effectively avoid the situation of missed seeding, reseeding and sowing deviation. Appear.

On the basis of the foregoing embodiments, specifically, as shown in FIG. 4 , the seed guide unit includes a sowing part and a seed brushing part, the sowing part is used to introduce seeds into the seed guide tube 42, and the seed brushing part is used to remove the seed on the sowing part. Unnecessary seed, thereby guarantees that once only one seed enters in each seed guide tube 42.

The seed in the seed hopper 41 can be contained on the sowing part, before the seed enters the seed guide tube 42, first uses the brush seed part to remove the redundant seeds on the sowing part, and then introduces the seed into the seed guide tube 42, thereby ensuring that every There is only one seed in each seed guide tube 42.

On the basis of the foregoing embodiments, specifically, as shown in FIG. 4 , the sowing part includes a sowing wheel 43, a plurality of seed grooves 431 are arranged on the sowing wheel 43, and the brush seed part includes a brush wheel 44; the sowing wheel 43 and the bristle The brush wheel 44 rotates in the same direction, and the fur brush wheel 44 can ensure that there is only one seed in the seed groove 431 .

The rotation of sowing wheel 43 and hairbrush wheel 44 can also be adopted electric operation by manual operation; The hairbrush on the wheel 44 will brush out the redundant seeds in the seed groove 431, so that there is only one seed in the seed groove 431. Reason, seed can fall in the seed introduction pipe 42.

Moreover, the structure of the seeding wheel 43 and the brush wheel 44 is low in cost and easy to install, and at the same time, it is simple and easy no matter whether it is manual operation or electric operation.

On the basis of the above embodiments, specifically, as shown in FIG. 4 , the depth of the seed groove 431 is less than or equal to the depth of one seed.

In order to reduce the difficulty of the brush wheel 44 when brushing redundant seeds in the seed groove 431, because the depth of the seed groove 431 is set to be less than or equal to the depth of a seed, it can be further ensured that there is only one seed in each seed guide tube 42. Seeds fall.

On the basis of the above embodiments, specifically, as shown in FIG. 4 , the seeding mechanism 4 includes a third driving unit 45 , and the third driving unit 45 is used to drive the seeding wheel 43 and the brush wheel 44 to rotate in the same direction.

A third drive unit 45 is provided to drive the seeding wheel 43 and the brush wheel 44 to rotate in the same direction with electricity, thereby replacing manual operation, further reducing labor costs and improving production efficiency. The third drive unit 45 has multiple options, for example: motor drive, pneumatic drive or hydraulic drive, and so on.

It should be noted that when driving the sowing wheel 43 and the brush wheel 44 to rotate in the same direction, two motors can be used to start at the same time, so as to achieve the purpose of the sowing wheel 43 and the brush wheel 44 rotating in the same direction.

On the basis of the foregoing embodiments, specifically, as shown in FIG. 4 , the third drive unit 45 includes a driving part 451 and a reversing part, and the reversing part is connected with the seeding wheel 43 and the brush wheel 44 simultaneously; the driving part 451 and The reversing part is connected, and the two cooperate to realize the rotation of the sowing wheel 43 and the brush wheel 44 in the same direction.

Reversing part can have multiple options, for example, belt transmission mechanism or chain transmission mechanism, etc.; Take belt transmission mechanism as example, the rotating shaft of sowing wheel 43 and brush wheel 44 is connected with the driving wheel of belt transmission mechanism and driven wheel respectively. Connect, thereby realize the same direction rotation of sowing wheel 43 and hair brush wheel 44.

The reversing part is set, and the reversing part is connected with the sowing wheel 43 and the brush wheel 44 at the same time, so that the same direction rotation of the sowing wheel 43 and the brush wheel 44 can be realized by using one driving part 451, so that resource saving can be achieved purpose.

On the basis of the foregoing embodiments, specifically, as shown in FIG. 4 , the reversing portion includes a first gear 452, an idler 454 and a second gear 453, the first gear 452 is connected to the output shaft of the driving portion 451, and the idler 454 meshes with the first gear 452 and the second gear 453 at the same time;

The reversing part adopts gear transmission, which makes the transmission more stable, and can ensure that the rotation of the sowing wheel 43 and the brush wheel 44 has better synchronization. Moreover, the structures of the first gear 452 , the idler gear 454 and the second gear 453 can also make the structure of the third driving unit 45 more stable.

When the driving part 451 is a motor and a belt transmission mechanism, the output shaft of the motor is connected with the driving wheel of the belt transmission mechanism, the rotating shaft of the first gear 452 is connected with the driven wheel, the first gear 452 meshes with the idler 454, and the idler 454 simultaneously It also meshes with the second gear 453 .

It should be noted that the seeding mechanism 4 also includes a base 46, and the rotating shafts of the sowing wheel 43 and the brush wheel 44 are rotatably connected with the base 46, and the seed hopper 41 is also arranged on the base 46, and the base 46 is connected to the support 7. connect.

On the basis of the above-described embodiments, specifically, as shown in Figure 5, the secondary soil covering mechanism 5 can have multiple options, such as: troweling plate, baffle plate, etc.; When the substrate is perforated, excess substrate will be produced around the seed hole. Therefore, a secondary soil covering mechanism 5 is provided to cover the substrate around the seed hole on the seeds, thereby completing the secondary soil covering of the seeds.

It should be noted that the downstream is relative to the moving direction of the tray, that is, the front of the tray movement is downstream.

On the basis of the above-described embodiments, specifically, as shown in Figure 5, the secondary soil covering mechanism 5 includes a retaining bar 51, and the two ends of the retaining bar 51 are all provided with a support 52, and the support 52 is connected with the support 7; the retaining bar 51 is a dovetail shape.

Adopt retaining bar 51 and bearing 52, bearing 52 is arranged on the two ends of retaining bar 51, and bearing 52 is arranged on the support 7, makes the installation of secondary soil covering mechanism 5 more convenient. Moreover, the dovetail-shaped bar 51 can gather the matrix inwardly, so that the matrix around the seed hole can completely cover the seeds, avoiding the waste of matrix.

On the plug seedling raising device provided in this embodiment, a watering mechanism 6 is set, and after completing the primary soil covering, drilling, sowing and secondary soil covering, the seeds are watered, so that the operations of plug seedling cultivation and sowing are integrated, The structure of the device is highly integrated, the seeding quality and work efficiency are improved, and the structure of the implement is more compact.

On the basis of the above-described embodiments, specifically, as shown in Figure 6, the watering mechanism 6 includes a solenoid valve 61, a water pipe 62 and a plurality of nozzles 63, the solenoid valve 61 is arranged on the water pipe 62, and the plurality of nozzles 63 are connected to the water pipe. 62 connected.

The water pipe 62 is connected with the water pump, the solenoid valve 61 is used to control the disconnection and access of the water pipe 62, and the nozzle 63 is used to spray water into the tray. The above-mentioned watering mechanism 6 has a compact structure, takes up less space, and is easy to operate.

On the basis of the above-mentioned embodiments, specifically, as shown in FIG. 7 , the tray matrix conveying mechanism 1 includes a conveyor belt 11 and a fourth drive unit 12, and the fourth drive unit 12 is connected to the conveyor belt 11 for driving the conveyor belt. 11 sports.

The fourth drive unit 12 has multiple options, for example: belt drive, chain drive or gear drive, etc.; the plug seedling raising device provided in this embodiment, the selected fourth drive unit 12 is a belt drive.

The motor of the fourth drive unit 12 is fixed on the bracket 7 through the motor fixing plate, and the conveyor belt 11 is sleeved on two rollers, and one of the two rollers is a power roller, and the other is a non-powered rolling; wherein the power roller and the belt drive The driven wheel is connected, and the driving wheel of the belt drive is connected with the output shaft of the motor; the power roller and the non-power roller are fixed on the bracket 7 through the fixing plate.

On the basis of the foregoing embodiments, specifically, the tray matrix conveying mechanism 1, the tray matrix covering mechanism 2, the tray matrix punching mechanism 3, the seeding mechanism 4, the secondary soil covering mechanism 5 and the watering mechanism 6 are all provided with The positioning sensor is used to realize the automatic positioning of the tray.

There are many options for positioning sensors, such as laser sensors or photoelectric sensors, and so on. Using a positioning sensor, when the tray moves with the tray matrix conveying mechanism 1 to the position where it needs to cover soil once, punch holes, sow, cover soil twice and water, the tray will be automatically positioned by the positioning sensor and the movement will be suspended. At this time, the corresponding The corresponding tray matrix conveying mechanism 1, tray soil covering mechanism 2, tray matrix punching mechanism 3, seeding mechanism 4, secondary soil covering mechanism 5 and watering mechanism 6 start to work, until the corresponding operation is completed, the tray continues to move , thus reducing the requirement for motion control of the plug seedling raising device system provided by this embodiment.

Of course, it should be noted that the plug seedling raising device provided in this embodiment should also include a central control system, which is used to receive the signal emitted by the positioning sensor, and at the same time, send a corresponding control signal to the corresponding plug substrate The conveying mechanism 1, the tray soil covering mechanism 2, the tray matrix punching mechanism 3, the seeding mechanism 4, the secondary soil covering mechanism 5 and the watering mechanism 6 are used to operate the opening and closing of each mechanism and further implement automation.

On the basis of the above embodiments, specifically, the positioning sensor is a photoelectric sensor.

A photoelectric sensor is a sensor that uses a photoelectric element as a detection element. It first converts the measured changes into changes in optical signals, and then further converts the optical signals into electrical signals with the help of photoelectric elements. A photoelectric sensor generally consists of three parts: a light source, an optical path, and a photoelectric element. The photoelectric sensor detection method has the advantages of high precision, fast response, non-contact, etc., and has many measurable parameters. The structure of the sensor is simple, and the form is flexible and diverse.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than limiting them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the various embodiments of the present invention. scope.

Claims (8)

1. a kind of plug seedling raising device, which is characterized in that including：Holder, plug media conveying mechanism, hole tray casing mechanism, cave Disk base material perforating mechanism, sowing mechanism, secondary soil-covering mechanism and watering mechanism；

The plug media conveying mechanism is arranged on the bracket, the hole tray casing mechanism, the plug media puncher Structure, the sowing mechanism, the secondary soil-covering mechanism and the watering mechanism are respectively positioned on the upper of the plug media conveying mechanism Side, and set gradually on the bracket along the direction of motion of hole tray,

The hole tray casing mechanism includes matrix hopper and sieve, and the sieve and the matrix hopper connect with the holder It connects, and the sieve is located at the lower section of the matrix hopper；And matrix guide groove is connected with below the sieve, the matrix is led Slot is used to matrix being covered in the hole tray；

The screen slope setting, and the lower side in screening level face is provided with impurity guide groove, and the impurity is led The opening k level concordant with the k level of the sieve or less than the sieve of slot；

The hole tray casing mechanism further includes stirring mechanism for pushing matrix hopper mesostroma aside and connects with the matrix hopper What is connect is used to shaking off the matrix in the matrix hopper into the second power source on the sieve,

The hole tray casing mechanism further includes the first driving unit, and first driving unit includes that the first power part and first pass Dynamic portion, the first power part setting on the bracket, and are connect, first driving section and institute with first driving section Sieve connection is stated, first driving section drives the sieve to move reciprocatingly under the driving of first power part, to Matrix is uniformly laid in the hole tray；

First driving section includes first connecting rod and second connecting rod；The output shaft of first power part and the first connecting rod One end connection, one end of the other end of the first connecting rod and the second connecting rod is hinged, the other end of the second connecting rod It is hinged with the sieve；

First driving unit further includes guide part, and the guide part includes the first guide rod and sliding block, first guide rod Both ends are arranged on the bracket, and the sliding block is set on first guide rod, is connect with the sieve；And the sliding block is same When it is hinged with the second connecting rod；

The secondary soil-covering mechanism includes blend stop, and the both ends of the blend stop are both provided with bearing, each bearing and the branch Frame connects；The blend stop is swallow-tail form.

2. plug seedling raising device according to claim 1, which is characterized in that the plug media perforating mechanism includes second Driving unit, perforation unit and fixed frame；Second driving unit and the perforation unit are arranged on the fixed frame, The fixed mount setting is on the bracket；

Second driving unit includes the second power part and the second driving section, the output shaft of second power part and described the Two driving sections connect, and second driving section is connect with the perforation unit, and second power part and second transmission Portion's cooperation can drive the perforation unit to move up and down.

3. plug seedling raising device according to claim 2, which is characterized in that second driving section include third connecting rod, Fourth link, the first belt pulley, the second belt pulley and synchronous belt；

The output shaft of second power part is connect with first belt pulley, and the synchronous belt is set in first belt pulley On second belt pulley；

One end of the third connecting rod is connect with the shaft of second belt pulley, and the other end and one end of the fourth link are cut with scissors It connects, the other end of the fourth link is hinged with the perforation unit.

4. plug seedling raising device according to claim 3, which is characterized in that the perforation unit includes fixed plate and multiple Punching hammer, multiple punching hammers are arranged in the fixed plate, and the fourth link is hinged with the fixed plate；The cave Disk base material perforating mechanism further includes the second guide rod, and one end of second guide rod is arranged in the fixed plate, and the other end is worn In on the fixed frame.

5. plug seedling raising device according to claim 1, which is characterized in that the sowing mechanism includes seed hopper, leads Kind unit and multiple grain conductors, on the bracket, multiple grain conductors are arranged at described kind for the seed hopper setting The exit of sub- hopper, and seed is only capable of falling into the hole tray via the grain conductor；Kind of the unit of leading is arranged at described kind Inside sub- hopper, and it can ensure once only have a seed to enter in the hole tray via corresponding grain conductor；

Kind of the unit of leading includes sowing portion and brush kind portion, and the sowing portion is described for introducing seed in the grain conductor Brush kind portion is for removing seed extra in the sowing portion, so that it is guaranteed that once only having a seed in each grain conductor Into.

6. plug seedling raising device according to claim 5, which is characterized in that the sowing portion includes seeding wheel, described to broadcast Multiple kinds of slots are provided on kind wheel, the brush kind portion includes bristle brush wheel；The seeding wheel and the bristle brush wheel rotate in same direction, and institute An only seed in described kind of slot can be ensured by stating bristle brush wheel.

7. plug seedling raising device according to claim 6, which is characterized in that the sowing mechanism includes that third driving is single Member, the third driving unit include driving portion and commutation portion, the commutation portion simultaneously with the seeding wheel and the bristle brush wheel Connection；The driving portion is connect with the commutation portion, and the two mating reaction realizes that the seeding wheel and the bristle brush wheel turn in the same direction It is dynamic；

The commutation portion includes first gear, idle pulley and second gear, and the first gear and the output shaft of the driving portion connect It connects, the idle pulley is engaged with the first gear and the second gear simultaneously；The shaft of the first gear and the hairbrush Wheel connection, the shaft of the second gear are connect with the shaft of the seeding wheel.

8. plug seedling raising device according to claim 1, which is characterized in that the plug media conveying mechanism, the cave In disk casing mechanism, the plug media perforating mechanism, the sowing mechanism, the secondary soil-covering mechanism and the watering mechanism It is both provided with alignment sensor, the alignment sensor is for realizing the automatic positioning to hole tray.