CN211064230U - Movable automatic seedling grafting machine - Google Patents

Abstract

The utility model discloses an automatic grafting machine of portable nursery stock, including the frame and follow supreme fixture of arranging in proper order in the frame down, shutdown mechanism and grafting mechanism, grafting mechanism includes the grafting device, the grafting device includes left grafting cup, right grafting cup and grafting section of thick bamboo, the grafting section of thick bamboo lateral wall passes through the drive end of connecting piece and actuating mechanism and links to each other, articulated shaft fixed connection after the one end of left grafting cup and right grafting cup is articulated each other is on the connecting piece, the other end of left grafting cup and right grafting cup passes through the hasp and connects, left grafting cup and right grafting cup lower extreme fixedly connected with tapered cutter respectively, grafting section of thick bamboo lower extreme both sides fixedly connected with cutting rod respectively, be connected with the second spring on the cutting rod, second spring bottom fixedly connected with cutting cutter. The utility model discloses simple structure is compact, can accomplish grafting in-process stock automatically and cut off, cuts the stock, cuts scion and grafting ear of grain action, and greatly reduced intensity of labour realizes continuous, high-efficient and the environmental protection of nursery stock grafting.

Description

Mobile seedling automatic grafting machine

technical field

The utility model relates to mechanical equipment for grafting seedlings, in particular to a mobile automatic grafting machine for seedlings.

Background technique

Grafting is one of the artificial propagation methods of plants. That is, the branches or buds of a plant are grafted onto the stems or roots of another plant, so that the two parts that are joined together grow into a complete plant. Nowadays, most of the seedling grafting operations are done manually, and the grafting equipment is also simple and inefficient. Most of the seedling grafting machines on the market are stationary, and it is necessary to excavate the seedlings and then plant them after grafting, which is very troublesome and cannot be effective. In order to improve the grafting efficiency of seedlings, we designed a mobile seedling transplanter suitable for nursery and other environments to solve the above problems.

Utility model content

In order to make up for the deficiencies in the prior art, the purpose of the utility model is to provide a mobile automatic seedling grafting machine.

The technical scheme adopted by the utility model to solve the technical problem is: a mobile automatic seedling grafting machine, comprising a frame and a clamping mechanism, a cutting mechanism and a grafting mechanism arranged on the frame in sequence from bottom to top, the grafting mechanism The mechanism includes a grafting device and a driving mechanism that drives the grafting device to move up and down. The grafting device includes a left grafting cup, a right grafting cup and a grafting barrel. The side wall of the grafting barrel is connected with the driving end of the driving mechanism through a connector. One end of the grafting cup and one end of the right grafting cup are hinged to each other and the hinge shaft is fixedly connected to the connecting piece, the other end of the left grafting cup and the other end of the right grafting cup are connected by a lock, and at the connection end of the lock, a first A spring is connected to each other, the lower ends of the left grafting cup and the right grafting cup are respectively fixed with conical knives, and both sides of the lower end of the grafting cylinder are fixedly connected with cutting rods, and the cutting rods are connected with a second spring. The bottom ends of the two springs are fixedly connected with cutting knives.

Further, the clamping mechanism includes a first fixing platform and a clamping device, a first cylinder is fixedly installed above the first fixing platform, the piston rod of the first cylinder is fixedly connected to the transverse push rod, and the clamping The holding device includes a moving gripping arm and a fixed gripping arm, one end of the moving gripping arm is slidably hinged on the transverse push rod, and the non-end of the moving gripping arm is hinged on the first fixed platform, and the fixed gripping arm is hinged on the first fixed platform. The arm is fixed on the first fixed platform.

Further, the cutting mechanism includes a second fixed platform, a second air cylinder and a cutting knife, the second fixed platform is fixedly installed at the middle end of the frame, a second air cylinder is fixedly installed above the second platform, and the The piston rod of the second cylinder drives the cutter to move.

Further, the upper part of the left grafting cup and the right grafting cup is semi-cylindrical, and the lower part is semi-conical, the lower ends of the left and right grafting cups are respectively fixed with conical knives, and the left grafting cup is The other end and the other end of the right grafting cup are rolled outward to form a slideway with a narrow upper end and a wide lower end, the narrow end is in a parallel shape, the wide end is in a wedge shape, and the lock is embedded on the slideway.

Further, the first spring is always in a compressed state, and the lock is provided with an open trigger end of the graft cup and a trigger end of the graft cup closed.

Further, the transmission mechanism includes a motor, a rotating shaft and a crank connecting rod slider mechanism, the motor drives the rotating shaft to rotate, the crank connecting rod slider mechanism includes a crank, a connecting rod and a slider connecting plate, one end of the crank It is fixedly connected with the rotating shaft, the other end of the crank is pivotally connected with the connecting rod, the other end of the connecting rod is fixedly connected with a sliding block connecting plate, and the sliding block connecting plate is fixedly connected with the grafting device.

Further, the grafting mechanism also includes a third fixed platform and a mobile platform, the third fixed platform is fixedly installed on the top of the frame, a third cylinder is fixedly installed above the third mobile platform, and the third cylinder is A connecting rod is fixed on the piston rod, the other end of the connecting rod is fixedly connected with the moving platform, and the transmission mechanism is arranged on the moving platform.

Further, a sliding block is fixedly installed under the mobile platform, and the sliding block is slidably connected with the chute at the top of the frame. The vertical direction of the mobile platform is provided with an upper cross bar and a lower cross bar, the upper cross bar is the trigger end of the graft cup closed and the lower cross bar is the open trigger end of the graft cup.

Further, the lock catch is concave as a whole, and the lower end of the lock catch is wedge-shaped.

Further, sponges are provided on the inner side of the arc-shaped clamping portion of the movable clamping arm and the fixed clamping arm.

The beneficial effects of the utility model are as follows: the frame can be directly connected by bolts or welded on a power device such as a crawler chassis for walking operation, the machine adopts the first cylinder to push the transverse push rod, and the transverse push rod is clamped with a plurality of movable clamps. One end of the arm is hinged, which can meet the simultaneous clamping operation of multiple clamping mechanisms. The inner side of the arc-shaped clamping part of the clamping arm is fixedly installed with a sponge, which can increase the clamping friction and is suitable for rootstocks with different thicknesses. The cylinder pushes the cutter to cut multiple rootstocks at the same time to obtain a plane suitable for grafting.

The third cylinder is used to push the mobile platform to move the grafting device to the top of the rootstock plane after being cut, and the stepper motor is used to drive the grafting device to move up and down through the crank connecting rod slider mechanism. Obtain the required gap for grafting, carry out oblique longitudinal cutting on the scion by the cutting knives on both sides of the grafting barrel, and obtain a suitable incision, and make the gap on the rootstock and the lock by the joint action of the lower cross bar of the mobile platform and the spring and the lock of the grafting cup. The left and right grafting cups are separated, so that the scion in the grafting tube falls into the gap of the rootstock, and finally the scion is clamped in the gap by the elastic effect of the rootstock itself.

The utility model has a simple and compact structure, and can be installed on a power device such as a crawler-type chassis to carry out mobile operations. It is mainly aimed at the occasions such as nurseries where seedlings are planted at equal intervals, and can realize the simultaneous grafting operation of multiple groups of seedlings, and can automatically complete the cutting of rootstocks during the grafting process. , cutting rootstocks, cutting scions and inserting scions, greatly reducing labor intensity and realizing continuous, efficient and environmental protection of seedling grafting.

Description of drawings

Fig. 1 is the overall three-dimensional structure diagram of the present utility model;

Figure 2 is a top view of the clamping mechanism;

Figure 3 is a top view of the cutting mechanism;

Fig. 4 is the three-dimensional structure diagram of the mobile platform;

Fig. 5 is the front view of grafting device;

Figure 6 is a top view of the grafting device;

Figure 7 is an A-A cross-sectional view of the grafting device;

In the figure, the frame 1, the first fixed platform 2, the second cylinder 3, the first cylinder 4, the clamping device 5, the second fixed platform 6, the grafting device 7, the connecting rod 8, the crank 9, the rotating shaft 10, the motor installation Seat 11, stepping motor 12, connecting rod 13, moving platform 14, third cylinder 15, third fixed platform 16, cutter connecting frame 17, cutter 18, bearing seat 19, bearing 20, slider 21, slider Connecting plate 22, coupling 23, transverse push rod 51, first pin 52, second pin 53, third pin 54, movable clamping arm 55, fixed clamping arm 56, sponge 57, right grafting cup 71. Left grafting cup 72, lock buckle 73, first spring 74, grafting cylinder 75, cutting rod 76, second spring 77, cutting knife 78, conical knife 79, chute 141, upper cross bar 142, lower cross bar 143.

Detailed ways

Exemplary embodiments will be described in detail herein, examples of which are illustrated in the accompanying drawings. In the following description and drawings, unless otherwise indicated, the same numerals in different drawings represent the same or similar elements. The implementations described in the following exemplary embodiments do not represent all implementations consistent with the present invention. Rather, they are merely examples of devices consistent with some aspects of the invention, as recited in the appended claims. The various embodiments of this specification are described in a progressive manner.

It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the difference between the various components under a certain posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication also changes accordingly.

In addition, the descriptions involving "first", "second", etc. in the present invention are only for description purposes, and should not be understood as indicating or implying their relative importance or implicitly indicating the number of indicated technical features. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In addition, the technical solutions between the various embodiments can be combined with each other, but must be based on the realization by those of ordinary skill in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of such technical solutions does not exist. , is not within the scope of protection required by the present utility model. As shown in Figures 1-7, the present utility model provides a mobile automatic grafting machine for seedlings, comprising a frame 1 and a clamping mechanism, a cutting mechanism and a grafting mechanism arranged on the frame in sequence from bottom to top. 1 It can be bolted or welded on power units such as crawler chassis,

The clamping mechanism includes a first fixing platform and a clamping device, a first fixing platform 2 is fixedly installed at the lower end of the frame 1, and a first cylinder 4 and three sets of clamping devices are fixedly installed above the first fixing platform 2. Device 5, the piston rod of the first cylinder 4 is welded with the transverse push rod 51, the clamping device 5 includes a movable clamping arm 55 and a fixed clamping arm 56, one end of the movable clamping arm 55 passes through the first The pin shaft 52 is hinged with the transverse push rod 51, and the three groups of movable clamping arms 55 are simultaneously pulled through the expansion and contraction of the piston rod of the first air cylinder 4 to perform clamping operation. The middle end of the movable clamping arms 55 has a groove. One end of the fixed clamping arm 56 is hinged to the movable clamping arm 55 through the second pin 53 in the groove of the movable clamping arm 55, and the middle end of the fixed clamping arm 56 is connected to the third pin 54 connected, the second pin 53 and the third pin 54 are fixed on the first fixed platform 2, so the fixed clamping arm 56 cannot move, and the movable clamping arm 55 and the fixed clamping arm 56 are arc-shaped There is a sponge 57 on the inner side of the handle, which can increase the gripping friction and adapt to the rootstocks of different thicknesses.

The cutting mechanism includes a second fixed platform 6, the second fixed platform 6 is fixedly installed at the middle end of the frame 1, the second cylinder 3 is fixedly installed above the second platform 6, and the second cylinder 3 is fixed. The piston rod is welded with the cutting knife connecting frame 17, and the cutting knife connecting frame 17 is fixedly connected with the cutting knife 18, and the cutting knife 18 can cut three seedlings at the same time.

The grafting mechanism includes a third fixed platform 16, a mobile platform 14, a transmission mechanism and a grafting device 7, the third fixed platform 16 is fixedly installed above the frame 1, and a third fixed platform is fixed above the third mobile platform 16. Cylinder 12, a connecting rod 13 is welded on the piston rod of the third cylinder 12, and the other end of the connecting rod 13 is fixedly connected with a moving platform 14, and a transmission mechanism is arranged above the moving platform 14.

The transmission mechanism includes a stepping motor 12, a rotating shaft 10 and a crank connecting rod slider mechanism. The stepping motor 12 drives the grafting device 7 to move up and down through the crank connecting rod slider mechanism, and the stepping motor 12 passes through the coupling 23. It is fixedly connected with one end of the rotating shaft 10 , the other end of the rotating shaft 10 is connected with the bearing 20 and fixed on the bearing seat 19 , and the rotating shaft 10 is connected with three sets of crank connecting rod slider mechanisms.

The crank-link-slider mechanism includes a crank 9, a connecting rod 8 and a slider connecting plate 22. One end of the crank 9 is fixedly connected to the rotating shaft 10, and the other end of the crank 9 is pivotally connected to the connecting rod 8. The other end of the connecting rod 8 is fixedly connected with a sliding block connecting plate 22 , and the sliding block connecting plate 22 is fixedly connected with the grafting device 7 .

The grafting device 7 includes a left grafting cup 72, a right grafting cup 71 and a grafting barrel 75, the non-cylindrical end of the grafting barrel 75 is fixedly connected with the slider connecting plate 22, the left grafting cup 72 and the right grafting cup 71. One end is hinged with the non-cylindrical end of the grafting cylinder 75, and the other end is connected by the lock 73. The left grafting cup 72 and the right grafting cup 71 are provided with two sets of first springs 74 at the connecting ends of the locking buckle 73. The cylindrical end of the grafting barrel 75 is located in the middle of the grafting cup.

Four sets of sliding blocks 21 are fixedly installed below the mobile platform 14 , and the sliding blocks 21 are slidably connected with the chute at the top of the frame 1 . There are three sets of chutes 141, and the crank-slider mechanism drives the grafting device 7 to move up and down along the chutes 141. The moving platform 14 is provided with an upper cross bar 142 and a lower cross bar 143 in the vertical direction, and the lower cross bar 143 pushes the lock The buckle 73 is upward, the left grafting cup 72 and the right grafting cup 71 are separated under the action of the first spring 74, so that the scion falls, the upper cross bar 142 pushes the locking buckle 73 down and returns to its original position, and the left grafting cup 72 and the right grafting cup are 71 for a snug fit.

The upper part of the left grafting cup 72 and the right grafting cup 71 is semi-cylindrical, the lower part is semi-conical, and the cone angle is 15 degrees respectively. Knife 79, the conical knife 79 of small angle can cut a more suitable opening on the stock, when the left grafting cup 72 and the right grafting cup 71 are closely connected, the upper end of the interface is narrow and parallel, and the lower end is wide and conical, so The other end of the left grafting cup and the other end of the right grafting cup are rolled outward to form a slideway with a narrow upper end and a wide lower end, the narrow end is in a parallel shape, and the wide end is in a wedge shape. The whole is concave, and the lower end of the lock 73 is wedge-shaped, so that when the lock 73 is pushed upward, the left grafting cup 72 and the right grafting cup 71 have a separate space. The rods 76 are fixedly connected, and the two sets of cutting rods 76 have an angle of 15 degrees respectively, so that the left grafting cup 72 and the right grafting cup 71 and the grafting cylinder 75 will not touch, and the cutting rods 76 are connected with a second spring 77 , the bottom end of the second spring 77 is fixedly connected with a cutting blade 78 .

The stepper motor 12, the first cylinder 4, the second cylinder 3, and the third cylinder 15 can all be controlled by the output signal of the single-chip microcomputer, and the single-chip microcomputer controls the stepper motor 12 to rotate forward for half a circle first, and then reverse for a half circle to complete the operation. In one working cycle, the grafting device 7 is just moved up and down along the chute 141 on the moving platform 14 through the crank-link-slider mechanism.

The working principle and use process of the utility model:

Frame 1 can be bolted or welded on power devices such as crawler chassis, and the power source and air pressure system can be provided with the power source and air pressure pump on the crawler chassis. When the single-chip microcomputer controls the piston rod of the first cylinder 4 to push the transverse push rod 51 to make the movable clamping arm 55 open to the maximum angle, when the clamping device 5 moves to the best position, the first cylinder 4 piston rod retracts to drive the transverse push rod 51, make the moving clamping arm 55 just hold the stock, the single-chip microcomputer controls the piston rod of the second air cylinder 3 to push out the cutter 18 to cut the stock to obtain the required grafting plane, and the piston rod of the second air cylinder 3 is retracted after being completely cut off, The single-chip microcomputer controls the piston rod of the third cylinder 15 to push the mobile platform 14, so that the grafting device 7 on the mobile platform 14 is just above the plane of the rootstock that has been cut off. The block mechanism drives the grafting device 7 to move downward along the chute 141 of the moving platform 14, when the grafting cup touches the plane of the stock after being cut, the conical knife 79 at the lower end of the grafting cup splits the stock into the required gap for grafting, The cutting knife 78 connected to the end of the second spring 77 on the cutting rod 76 on both sides of the grafting cylinder 75 drives the second spring 77 to carry out the oblique longitudinal cutting of the ear under the inertial operation, and the lock 73 of the grafting cup is lowered due to the moving platform 14. The action of the cross bar 143 is pushed up, the left grafting cup 72 and the right grafting cup 71 are changed from the initial tightly closed state to the separated state (under the action of the first spring 74), the notch of the rootstock is also separated, and the grafting cylinder 75 is separated. The cut scion falls off the interface. At this time, the single-chip microcomputer controls the stepping motor 12 to reverse half a circle, and drives the grafting device 7 to move upward through the crank connecting rod slider. Also clamped in the notch, the lock 73 of the grafting cup is pushed down to the original position due to the action of the cross bar 142 on the moving platform 14, and the left grafting cup 72 and the right grafting cup 71 are also fitted in the separated state.

The present invention is not limited to the above-mentioned specific embodiments, and changes, modifications, additions or substitutions made by those of ordinary skill in the art within the essential scope of the present invention should also belong to the protection scope of the present invention.

Claims (10)

1. a mobile nursery stock automatic grafting machine, is characterized in that, comprises frame and the clamping mechanism, cutting mechanism and grafting mechanism that are arranged on the frame successively from bottom to top, and described grafting mechanism comprises grafting device and drive grafting device A driving mechanism that moves up and down, the grafting device includes a left grafting cup, a right grafting cup and a grafting barrel, the side wall of the grafting barrel is connected with the driving end of the driving mechanism through a connector, and one end of the left grafting cup and the right grafting cup are The hinge shaft is fixedly connected to the connector after one end is hinged to each other, the other end of the left grafting cup and the other end of the right grafting cup are connected by a lock, and the connecting end of the lock is also connected by a first spring, the left grafting The lower ends of the cup and the right grafting cup are respectively fixedly connected with conical knives, both sides of the lower end of the grafting cylinder are respectively fixedly connected with cutting rods, the cutting rods are connected with a second spring, and the bottom ends of the second springs are fixedly connected with cutting rods. Knife. 2. a kind of mobile seedling automatic grafting machine according to claim 1, is characterized in that, described clamping mechanism comprises the first fixed platform and the clamping device, and the top of described first fixed platform is fixedly installed with the first cylinder , the piston rod of the first cylinder is fixedly connected with the transverse push rod, the clamping device includes a movable clamping arm and a fixed clamping arm, one end of the movable clamping arm is slidingly hinged on the transverse push rod, and the movable clamp The non-end of the holding arm is hinged on the first fixed platform, and the fixed clamping arm is fixed on the first fixed platform. 3. a kind of mobile seedling automatic grafting machine according to claim 1, is characterized in that, described cutting mechanism comprises the second fixed platform, the second air cylinder and cutting knife, and described second fixed platform is fixedly installed on the frame At the middle end, a second cylinder is fixedly installed above the second fixed platform, and the piston rod of the second cylinder drives the cutter to move. 4. a kind of mobile seedling automatic grafting machine according to claim 1 is characterized in that, the upper part of described left grafting cup and right grafting cup is semi-cylindrical, and the lower part is semi-conical, and the left grafting cup A conical knife is fixedly connected with the lower end of the right grafting cup, the other end of the left grafting cup and the other end of the right grafting cup are rolled outward to form a slideway with a narrow upper end and a wide lower end, the narrow end is parallel, and the wide end is wedge-shaped , the lock buckle is embedded in the slideway. 5 . A mobile automatic seedling grafting machine according to claim 4 , wherein the first spring is always in a compressed state, and the lock is provided with an open trigger end of the graft cup and a closed trigger end of the graft cup. 6 . 6. a kind of mobile seedling automatic grafting machine according to claim 5 is characterized in that, described drive mechanism comprises motor, rotating shaft and crank connecting rod slider mechanism, and described motor drives rotating shaft to rotate, and described crank connecting rod The slider mechanism includes a crank, a connecting rod and a slider connecting plate, one end of the crank is fixedly connected with the rotating shaft, the other end of the crank is pivotally connected with the connecting rod, and the other end of the connecting rod is fixedly connected with a slider connecting plate , the slider connecting plate is fixedly connected with the grafting device. 7. a kind of mobile seedling automatic grafting machine according to claim 6, is characterized in that, described grafting mechanism also comprises the 3rd fixed platform, mobile platform, and described 3rd fixed platform is fixedly installed on the rack top, so A third air cylinder is fixedly installed above the third fixed platform, a connecting rod is fixed on the piston rod of the third air cylinder, the other end of the connecting rod is fixedly connected with the moving platform, and the driving mechanism is arranged on the moving platform. 8. a kind of mobile seedling automatic grafting machine according to claim 7, is characterized in that, below described moving platform is fixedly installed with slider, and described slider is slidably connected with the chute at the top of the rack, and described The mobile platform is L-shaped, the vertical position of the mobile platform is provided with a chute, the vertical direction of the mobile platform is provided with an upper crossbar and a lower crossbar, the upper crossbar is the trigger end of the graft cup closed and the lower crossbar is Grafting cup open trigger end. 9 . The mobile automatic grafting machine for seedlings according to claim 8 , wherein the lock is in a concave shape as a whole, and the lower end of the lock is in a wedge shape. 10 . 10 . The mobile automatic seedling grafting machine according to claim 2 , wherein a sponge is provided on the inner side of the arc-shaped clamping part of the movable clamping arm and the fixed clamping arm. 11 .

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