CN212728007U - Plug seedling is with getting to throw seedling device - Google Patents

Abstract

The utility model discloses a plug seedling is with getting and throwing seedling device belongs to transplanting machine technical field, include: the seedling clamping unit is used for clamping the plug seedlings and releasing the clamped plug seedlings and consists of a seedling clamp and a power mechanism connected with the seedling clamp; the track unit is used for enabling the seedling clamping unit to move according to a set track and consists of a swing arm mechanism, a sliding block mechanism, a crank mechanism and a sliding rail mechanism; the seedling clamping unit is arranged on the swing arm mechanism, the sliding rail mechanism and the crank mechanism are arranged on the sliding block mechanism, and the swing arm mechanism is driven by the crank mechanism and limited in a set track by the sliding block mechanism and the sliding rail mechanism together. The utility model discloses a orbit unit makes the seedling press from both sides and gets the seedling position by throwing the seedling position arrival according to the design orbit to press close to the direct clamp of cave dish by the seedling and get the seedling stem stalk, the perpendicular cave dish is upwards pressed from both sides and is got the cave dish seedling again, and return according to former route and throw the seedling position and throw the seedling, its simple structure, get and throw the seedling efficiently, solved the complicated, the lower problem of efficiency of structure that prior art exists.

Description

Plug seedling is with getting to throw seedling device

Technical Field

The utility model belongs to the technical field of transplanting machinery, concretely relates to plug seedling is with getting and throwing seedling device.

Background

As the main economic crops in China, the vegetables have high labor intensity and low operation efficiency and become the main factors restricting the development of the vegetables. In recent years, the vegetable industry has developed rapidly, and mechanized transplanting plays an important role. Vegetable transplantation can be divided into three categories: manual transplanting, semi-automatic transplanting and full-automatic transplanting. At present, a semi-automatic transplanting machine transplanting mode is adopted in most of China, manual seedling throwing mechanical transplanting is adopted, compared with a full-automatic transplanting mode, semi-automatic transplanting still needs certain manual assistance from the side, and labor intensity is still very high. Therefore, the development of the full-automatic transplanter is of great significance to the development of the vegetable industry.

The seedling throwing device is taken as a key part of the full-automatic transplanter and is used for replacing a human to take out seedlings from the plug tray and send the seedlings to a seedling throwing position for throwing the seedlings. The performance of the seedling taking and throwing device can directly influence the transplanting effect of the full-automatic transplanter. At present, the seedling taking and throwing device researched in China has a gear train type, an air blowing vibration composite type and the like, although the success rate of taking the seedlings is high, most of the devices have complex structures, high cost and low efficiency.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a can press from both sides once only according to the design orbit and get many trunk seedlings, and simple structure, get the steady and higher plug seedling of reliability of seedling process with getting and throw the seedling device, aim at solving the getting that exists among the prior art and throw the seedling device structure complicated, problem that efficiency is not high.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a plug seedling is with getting to throw seedling device, includes: the seedling clamping unit is used for clamping the plug seedlings and releasing the clamped plug seedlings and consists of a seedling clamp and a power mechanism connected with the seedling clamp; the track unit is used for enabling the seedling clamping unit to move according to a set track and consists of a swing arm mechanism, a sliding block mechanism, a crank mechanism and a sliding rail mechanism; the seedling clamping unit is arranged on the swing arm mechanism, the sliding rail mechanism and the crank mechanism are arranged on the sliding block mechanism, and the swing arm mechanism is driven by the crank mechanism and limited in a set track by the sliding block mechanism and the sliding rail mechanism together.

Further, the set track is a continuous circular arc section and a straight line section path which return to the seedling throwing position according to the original path after the seedling throwing position reaches the seedling taking position.

Furthermore, the seedling clamp is composed of a right page and a left page which are clamped and connected through an arc-shaped strip hole arranged on the connecting piece and an adjusting screw, and the connecting piece is used for adjustably connecting the right page and the left page.

Further, the power mechanism comprises a belt wheel, a right-handed nut, a supporting seat, a screw rod, a sliding groove block, a fixing frame, a left-handed nut, a bearing seat, a driving wheel and a motor, the screw rod is installed on the fixing frame through the bearing seat, the sliding groove block is installed through the supporting seat, the right-handed nut and the left-handed nut are in threaded connection with the screw rod, the right-handed nut is arranged on the right-handed nut and is used for clamping a right page, the left-handed nut is arranged on the left-handed nut and is used for clamping a left page, the right-handed nut and the left-handed nut are further in sliding connection with the sliding groove block.

Further, the right clamping page and the left clamping page of the seedling clamp form 4n clamping stations, wherein n is a positive integer.

Furthermore, the swing arm mechanism comprises a swing arm, a rotating shaft, a bearing shaft and a roller wheel, wherein the rotating shaft and the bearing shaft are arranged on the swing arm, and the roller wheel is arranged on the bearing shaft.

Furthermore, the swing arm is equipped with continuous straightway and quarter circular arc section, and the end and the seedling clamping unit of circular arc section are connected, are equipped with the dysmorphism hole that is used for installing the pivot on the straightway and are used for installing the circular port of bearing axle.

Further, the sliding block mechanism is composed of a sliding groove plate and a sliding block, the rotating shaft is rotatably connected with the sliding block, and a strip-shaped groove through which the rotating shaft penetrates and transversely moves is arranged on the sliding groove plate.

Furthermore, the crank mechanism is composed of a connecting rod, a crank and a driving motor, one end of the connecting rod is connected with the sliding block, the other end of the connecting rod is connected with the crank, and the other end of the crank is connected with the driving motor arranged on the sliding chute plate.

Furthermore, the crank mechanism further comprises a U-shaped block and a pin shaft, wherein the U-shaped block is fixedly connected with the sliding block and is rotatably connected with the connecting rod through the pin shaft.

Further, the slide rail mechanism is composed of a slide rail plate and a fixed block, the slide rail plate is connected with the slide groove plate through the fixed block, a guide groove for sliding of the roller is arranged on the slide rail plate, and the guide groove is composed of a continuous linear groove and a quarter semicircular groove.

Furthermore, the slide rail plates of the slide rail mechanism, the slide groove plates of the slide rail mechanism, the swing arms of the swing arm mechanism and the rollers on the swing arm mechanism are all arranged in pairs, a shaping shaft is arranged between each of the two slide groove plates and the two slide rail plates, and shaping plates are arranged at the openings of the two slide rail plates respectively.

Further, slider mechanism is still including slide, optical axis, fixed plate, installation piece and optical axis seat, and the optical axis seat that sets up on the optical axis both ends all locates between two chute boards through the installation piece of installing on the chute board, and the cover is equipped with the slide of connecting in the slider through the fixed plate on the optical axis.

The beneficial effects of the utility model reside in that:

1. this plug seedling is with getting to throw seedling device can once only press from both sides and get many strains of seedling according to the design orbit, if four seedlings, and the interval that four seedlings pressed from both sides suits with the plug of 8 x 16 specification, and the angle that the seedling pressed from both sides then accessible adjusting screw and nut and connecting piece go up the mounted position in arc strip hole.

2. This plug seedling is with getting to throw seedling device can change the efficiency of getting to throw the seedling through adjusting the crank rotational speed, and the crank rotational speed is higher promptly, gets to throw the seedling efficiency and is higher.

3. The seedling taking and throwing device for plug seedlings belongs to seedling clamping type seedling taking and throwing, is suitable for seedlings with thick and strong stems, and greatly reduces the matrix damage rate in the seedling taking and throwing process.

4. The seedling taking and throwing track of the plug seedling taking and throwing device is a straight line segment when the seedlings are taken, so that the seedlings can be smoothly taken out of the plug seedling, and is a circular arc segment from the seedling taking to the seedling throwing, so that the movement track of the seedling taking and throwing device is not interfered with foreign objects.

5. This plug seedling is with getting to throw seedling device belongs to rolling friction during the motion through the motion of design roller type slide rail, has alleviateed the wearing and tearing to the spout, has improved the life of slide rail board, lets simultaneously get to throw the seedling process more steady.

Generally speaking, the seedling taking and throwing device for plug seedlings has the characteristics of simple structure, high reliability and strong adaptability, and solves the problems of low efficiency and complex structure of the seedling taking and throwing device in the prior art.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.

Drawings

In order to make the purpose, technical scheme and beneficial effect of the utility model clearer, the utility model provides a following figure explains:

fig. 1 is the general structure schematic diagram of the seedling taking and throwing device of the utility model.

Fig. 2 is a schematic structural view of the seedling clamping unit of the seedling taking and throwing device of the utility model.

Fig. 3 is the structure schematic diagram of the seedling clamp of the seedling taking and throwing device of the utility model.

Fig. 4 is a schematic structural diagram of the track unit of the seedling taking and throwing device of the utility model.

Fig. 5 is a schematic view of fig. 4 in another direction.

Fig. 6 is the structure sketch of the swing arm mechanism of the seedling throwing device of the utility model.

Fig. 7 is a path diagram of the set track of the seedling taking and throwing device of the utility model.

Reference numerals: a seedling clamping unit 1; a track unit 2; a connecting member 3; clamping a right page 4; clamping the left page 5; a pulley 6; a right-hand nut 7; a support base 8; a screw 9; a chute block 10; a fixed frame 11; a left-handed nut 12; a bearing housing 13; a swing arm 14; a driving wheel 15; a rotating shaft 16; a motor 17; a bearing shaft 18; a roller 19; a connecting rod 20; a crank 21; a drive motor 22; a sizing shaft 23; a sizing plate 24; a slide 25; an optical axis 26; a fixing plate 27; a slider 28; a mounting block 29; a light axis seat 30; a chute plate 31; a fixed block 32; a slide plate 33; a U-shaped block 34; and a pin 35.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the features in the following embodiments and examples may be combined with each other without conflict.

Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in any way limiting the scope of the invention; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "front", "back", etc., indicating directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limiting the present invention, and those skilled in the art can understand the specific meanings of the terms according to specific situations.

As shown in fig. 1 and 7, the seedling taking and throwing device for plug seedlings provided by this embodiment includes a seedling clamping unit 1 and a track unit 2, wherein the seedling clamping unit 1 is used for clamping plug seedlings and releasing the clamped plug seedlings, and is composed of a seedling clamp and a power mechanism connected with the seedling clamp; the track unit 2 is used for enabling the seedling clamping unit 1 to move according to a set track and consists of a swing arm mechanism, a sliding block mechanism, a crank mechanism and a sliding rail mechanism; the seedling clamping unit 1 is arranged on a swing arm mechanism, the swing arm mechanism, a slide rail mechanism and a crank mechanism are all arranged on a slide block mechanism, and the swing arm mechanism is driven by the crank mechanism and is limited in a set track by the slide block mechanism and the slide rail mechanism together; the set track is a continuous circular arc section and a straight line section path which return to the seedling throwing position according to the original path after the seedling throwing position reaches the seedling taking position.

As shown in fig. 2 and 3, the seedling clamp is composed of a right clamping leaf 4, a left clamping leaf 5 and a connecting piece 3, wherein the right clamping leaf 4 and the left clamping leaf 5 are connected in an adjustable mode through arc-shaped strip holes arranged on the connecting piece 3 and adjusting screws in relative positions. Power unit is by band pulley 6, right-handed nut 7, supporting seat 8, screw rod 9, spout piece 10, mount 11, left-handed nut 12, bearing frame 13, action wheel 15, motor 17 constitutes, install screw rod 9 through bearing frame 13 on the mount 11, install spout piece 10 through supporting seat 8, threaded connection has right-handed nut 7 and left-handed nut 12 on the screw rod 9, install through the nut connecting plate on the right-handed nut 7 and press from both sides and get right page or leaf 4, it presss from both sides and gets left page or leaf 5 to install through the nut connecting plate on the left-handed nut 12, this nut connecting plate makes seedling clamp angle adjustable, cave dish seedling should have certain angle with the horizontal plane when getting to throw the installation of seedling device like this, specific angle should cooperate with cave dish inclination. The right-handed nut 7 and the left-handed nut 12 are also connected with a sliding groove block 10 in a sliding manner, a belt wheel 6 arranged on the screw rod 9 is connected with a driving wheel 15 arranged on a motor 17 through a synchronous belt (not marked, shown in figure 7), and the fixed frame 11 and the motor 17 are both arranged on a swinging arm 14 of the swinging mechanism. Like this, the screw rod power is spread into through the hold-in range by installing motor 17 on swing arm 14, and during screw rod forward rotation, revolve to opposite right-handed nut 7 and left-handed nut 12 then move in opposite directions, drive the clamp of seedling clamp and press from both sides right page or leaf 4 and press from both sides left page or leaf 5 and fold, realize pressing from both sides the action of getting, and during screw rod reverse rotation, revolve to opposite right-handed nut 7 and left-handed nut 12 then move back and back, the clamp of seedling clamp is got right page or leaf 4 and is pressed from both sides left page or leaf 5 and parts. Meanwhile, the clamping right page 4 and the clamping left page 5 of the seedling clamp form a clamping station, multiple seedlings, such as four seedlings, can be clamped at one time, and the space between the four seedling clamps is matched with the aperture disk with the specification of 8 multiplied by 16. In order to realize the adaptation to other hole trays, the seedling clamp with the corresponding distance can be replaced.

As shown in fig. 4-6, the swing arm mechanism is composed of a swing arm 14, a rotating shaft 16, a bearing shaft 18, and a roller 19, wherein the rotating shaft 16 and the bearing shaft 18 are disposed on the swing arm 14, and the roller 19 is disposed on the bearing shaft 18. The swing arm 14 is provided with a continuous straight line section and a quarter circular arc section, the end of the circular arc section is connected with the fixing frame 11 of the seedling clamping unit, and the straight line section is provided with a special-shaped hole for installing the rotating shaft 16 and a circular hole for installing the bearing shaft 18. The sliding block mechanism is composed of a sliding groove plate 31 and a sliding block 28, the rotating shaft 16 is rotatably connected with the sliding block 28, and a strip-shaped groove (not marked) through which the rotating shaft 16 penetrates and transversely moves is arranged on the sliding groove plate 31. The crank mechanism is composed of a connecting rod 20, a crank 21 and a driving motor 22, one end of the connecting rod 20 is connected with the sliding block 28, the other end of the connecting rod is connected with the crank 21, and the other end of the crank 21 is connected with the driving motor 22 arranged on the chute plate 31. In particular, the crank mechanism further comprises a U-shaped block 34 and a pin shaft 35, wherein the U-shaped block 34 is fixedly connected with the slide block 28 and is rotatably hinged with the connecting rod 20 through the pin shaft 35. The slide rail mechanism is composed of a slide rail plate 33 and a fixed block 32, the slide rail plate 33 is connected with the slide groove plate 31 through the fixed block 32, a guide groove (not marked) for sliding the roller 19 is arranged on the slide rail plate, and the guide groove is composed of a continuous linear groove and a quarter semicircular groove. Like this, the swing arm is under crank mechanism's drive, because gyro wheel receives the slide rail board restriction on the swing arm, and the swing arm is plane motion, installs the seedling on the swing arm simultaneously and presss from both sides the gesture constantly to change and move to getting the seedling position from throwing the seedling position. The crank mechanism rotates for a circle, and the seedling clamp finishes taking and throwing the seedlings once. The crank mechanism rotates 180 degrees from the initial position, the seedling clamp moves from the seedling throwing position to the seedling taking position to clamp the seedlings, then the rotation is continued for 180 degrees, and the seedling clamp moves to the seedling throwing position to throw the seedlings.

In another embodiment, the sliding track plate 33 of the sliding track mechanism, the sliding groove plate 31 of the sliding track mechanism, the swing arm 14 of the swing arm mechanism and the roller 19 thereon are all arranged in pairs, and a shaping shaft 23 is arranged between each of the two sliding track plates 31 and 33, and a shaping plate 24 is further arranged at the opening of each of the two sliding track plates 33. Thus, the two pairs of sliding groove plates and the sliding rail plates are arranged oppositely, the middle of the sliding groove plates is connected by the shaping shaft and the shaping plate, and the space formed by the shaping shaft of the two pairs of sliding groove plates is the moving space of the sliding block 28. Simultaneously, slider mechanism is still including slide 25, optical axis 26, fixed plate 27, installation piece 29 and optical axis seat 30, and the optical axis seat 30 that sets up on the optical axis 26 both ends all locates between two chute boards 31 through installing installation piece 29 on chute board 31, and the cover is equipped with the slide 25 who connects in slider 28 through fixed plate 27 on the optical axis 26.

In use, power is transmitted by the drive motor 22 of the crank mechanism, the crank 21 is rotated 180 ° from the initial position (shown), the roller 19 on the swing arm 14 moves from one end of the slide plate 33 to the other end, and the slider 28 mounted on the swing arm 14 via the pivot 16 also moves in the slide plate 31 to the other end. In the moving process, as the swing arm 14 and the seedling clamp are arranged on the same component and the moving paths are different, the swing arm 14 rotates clockwise when moving, the seedling clamp which is arranged on the swing arm and executes the actual clamping task forms a track shown in fig. 7 and finally reaches the seedling taking position, a power mechanism motor 15 of a seedling clamping unit arranged on the swing arm 14 drives a screw rod 9 to rotate through a synchronous belt (not shown), and as the rotating directions of a right-handed nut 7 and a left-handed nut 12 are opposite, the clamping right page 4 and the clamping left page 5 of the seedling clamp are folded to clamp seedlings; the crank 21 continues to rotate 180 degrees, the seedling clamp pulls out the seedling (not shown in the figure) along the straight line segment of the track, then the seedling clamp moves to a seedling throwing position, the motor 15 of the power mechanism rotates reversely, the right leaf 4 and the left leaf 5 of the seedling clamp are clamped and opened, the seedling falls under the action of gravity, and the seedling throwing action is completed.

By adopting the scheme, the plug seedling taking and throwing device can be used for clamping four seedlings at a time, and the seedling clamping interval is adaptive to the plug with the specification of 8 multiplied by 16. Seedling presss from both sides angle accessible adjusting screw arc strip hole mounted position on the nut connecting plate to seedling presss from both sides removable in order to adapt to different specification cave dishes. The whole seedling taking and throwing device is simple in structure, high in reliability and strong in adaptability, and solves the problems of low efficiency and complex structure in the prior art.

This plug seedling is with getting to throw seedling device can change the efficiency of getting to throw the seedling through adjusting the crank rotational speed, and the crank rotational speed is higher, gets to throw the seedling efficiency and is higher. Meanwhile, the formed seedling taking and throwing track meets the agricultural requirements, seedlings can be well taken out of the plug tray (the track is a straight line segment during seedling taking), and interference with other mechanisms is avoided.

This get seedling clamp installation angle of throwing seedling device can be adjusted for seedling clamp and the seedling stem stalk angle of getting of pressing from both sides can be adjusted. When the seedling taking and throwing device is used specifically, a certain angle is required to be formed between the seedling taking and throwing device and a horizontal plane when the seedling taking and throwing device is installed, the angle is determined according to the placing angle of the hole trays on the transplanter, and the seedlings can be taken out from the direction perpendicular to the hole trays. In addition, can install proximity switch on the seedling presss from both sides, combines control motor, can control seedling clamp closure degree, can adapt to the plug seedling of different stem stalk thicknesses, and the seedling presss from both sides the actual clamp and gets the inboard and install the sponge, can further reduce the seedling and press from both sides the damage to the seedling stem stalk.

It should be understood that the plug seedlings aimed at by the seedling picking and throwing device are not only vegetable seedlings mentioned herein, but also seedlings of tobacco, cotton and the like, as long as the seedlings are required to be planted and used from the plug.

Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.

Claims (10)

1. The utility model provides a plug seedling is with getting and throwing seedling device which characterized in that includes: the seedling clamping unit (1) is used for clamping the plug seedlings and releasing the clamped plug seedlings and consists of a seedling clamp and a power mechanism connected with the seedling clamp; the track unit (2) is used for enabling the seedling clamping unit to move according to a set track and consists of a swing arm mechanism, a sliding block mechanism, a crank mechanism and a sliding rail mechanism; the seedling clamping unit is arranged on the swing arm mechanism, the sliding rail mechanism and the crank mechanism are arranged on the sliding block mechanism, and the swing arm mechanism is driven by the crank mechanism and limited in a set track by the sliding block mechanism and the sliding rail mechanism together.

2. The seedling picking and throwing device for plug seedlings according to claim 1, wherein the predetermined trajectory is a continuous circular arc section and straight line section path that returns to the seedling throwing position from the seedling throwing position to the seedling taking position according to an original path.

3. The plug seedling taking and throwing device as claimed in claim 1, wherein the seedling clamp consists of a right clamping leaf (4), a left clamping leaf (5) and a connecting piece (3), and the right clamping leaf and the left clamping leaf are connected in a relative position adjustable manner through arc-shaped strip holes and adjusting screws arranged on the connecting piece.

4. The plug seedling taking and throwing device according to claim 3, wherein the power mechanism comprises a belt wheel (6), a right-handed nut (7), a support seat (8), a screw (9), a chute block (10), a fixing frame (11), a left-handed nut (12), a bearing seat (13), a driving wheel (15) and a motor (17), the screw is mounted on the fixing frame through the bearing seat, the chute block is mounted through the support seat, the right-handed nut and the left-handed nut are connected to the screw in a threaded manner, the right-handed nut is provided with a clamping right page, the left-handed nut is provided with a clamping left page, the right-handed nut and the left-handed nut are further connected with the chute block in a sliding manner, the belt wheel arranged on the screw is connected with the driving wheel arranged on the motor through a synchronous belt, and the fixing.

5. The seedling taking and throwing device for plug seedlings according to claim 1, wherein the swing arm mechanism comprises a swing arm (14), a rotating shaft (16), a bearing shaft (18) and a roller (19), the rotating shaft and the bearing shaft are arranged on the swing arm, and the roller is arranged on the bearing shaft.

6. The plug seedling taking and throwing device as claimed in claim 5, wherein the slide block mechanism is composed of a slide groove plate (31) and a slide block (28), the rotating shaft is rotatably connected with the slide block, and the slide groove plate is provided with a strip-shaped groove through which the rotating shaft penetrates and transversely moves.

7. The plug seedling taking and throwing device according to claim 6, wherein the crank mechanism comprises a connecting rod (20), a crank (21), a driving motor (22), a U-shaped block (34) and a pin shaft (35), one end of the connecting rod is connected with the U-shaped block through the pin shaft, the other end of the connecting rod is connected with the crank, the other end of the crank is connected with the driving motor arranged on the chute plate, and the U-shaped block is fixedly connected with the sliding block.

8. The plug seedling taking and throwing device of claim 7, wherein the slide rail mechanism comprises a slide rail plate (33) and a fixed block (32), the slide rail plate is connected with the slide groove plate through the fixed block, a guide groove for sliding of the roller is arranged on the slide rail plate, and the guide groove comprises a continuous linear groove and a quarter semicircular groove.

9. The plug seedling taking and throwing device according to claim 8, wherein the slide rail plates of the slide rail mechanism, the slide groove plates of the slide rail mechanism, the swing arms of the swing arm mechanism and the rollers thereon are arranged in pairs, a shaping shaft (23) is arranged between each of the two slide groove plates and the two slide rail plates, and shaping plates (24) are further arranged at the openings of the two slide rail plates.

10. The seedling taking and throwing device for plug seedlings according to claim 9, wherein the slide block mechanism further comprises a slide seat (25), an optical axis (26), a fixing plate (27), a mounting block (29) and an optical axis seat (30), the optical axis seats arranged at two ends of the optical axis are arranged between the two sliding groove plates through the mounting blocks arranged on the sliding groove plates, and the slide seat connected to the slide block through the fixing plate is sleeved on the optical axis.

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