CN112913491A

CN112913491A - Fruit tree grafting assistor

Info

Publication number: CN112913491A
Application number: CN202110141293.5A
Authority: CN
Inventors: 毛庭
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-06-08

Abstract

The invention provides a fruit tree grafting assistor, and belongs to the technical field of fruit tree cultivation. The method solves the problems that the existing fruit tree branch grafting firstly carries out saw mark and expanding mark treatment on a trunk, peels and cuts a part to be grafted, then carries out attaching and tightening treatment on the treated grafted part and the part to be grafted, and is difficult to operate because the trunk is not only held by hand but also a film is wound by one hand when tightening is carried out. This fruit tree grafting assistor, which comprises a housin, the upper end of casing is equipped with the handle, be equipped with two baffles in the casing, the left and right sides terminal surface of casing is equipped with supporting mechanism respectively, two the central line of supporting mechanism about the casing is bilateral symmetry and distributes, be located two in the casing be equipped with the power unit of this assistor operation of drive between the baffle. This fruit tree grafting assistor uses more convenient, laborsaving, and efficiency is higher.

Description

Fruit tree grafting assistor

Technical Field

The invention belongs to the technical field of fruit tree cultivation, and relates to a fruit tree grafting assistor.

Background

When the fruit tree is grafted, two wounded surfaces of a grafted part and a part to be grafted need to be close to and fastened together, cells at a joint part are proliferated and form a microtubule tissue, so that the grafted part and the part to be grafted form a whole, grafting is completed, the existing fruit tree grafting firstly carries out saw mark and expansion mark treatment on a trunk, peels and cuts the part to be grafted, then carries out joint fastening treatment on the treated grafted part and the part to be grafted, and is difficult to operate because the branches need to be held by hands and films need to be wound by one hand when the branches are fastened.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides a fruit tree grafting aid which is more convenient to use, saves labor and has higher efficiency.

The purpose of the invention can be realized by the following technical scheme: the utility model provides a fruit tree grafting assistor, includes the casing, the upper end of casing is equipped with the handle, be equipped with two baffles in the casing, the left and right sides terminal surface of casing is equipped with supporting mechanism respectively, two the central line that supporting mechanism is about the casing is bilateral symmetry and distributes, be located two in the casing be equipped with the power unit of this assistor operation of drive between the baffle, the lower extreme of casing be equipped with by power unit driven cutting mechanism, be located every in the casing the baffle is kept away from one side of casing central line is equipped with the mechanism of inserting branches.

Before the auxiliary device is used, a branch to be grafted is placed on one side, far away from the central line of a shell, of a partition plate in the shell, the branch is clamped by a branch inserting mechanism to a certain degree, after the branch is placed well, the auxiliary device is placed above a trunk through a supporting mechanism, a power mechanism is started, on one hand, the power mechanism drives a cutting mechanism to perform intermittent left-right and up-down reciprocating sliding on the trunk, when the cutting mechanism slides left and right, tooth marks can be scraped on the surface of the trunk, when the cutting mechanism performs up-down reciprocating sliding, the tooth marks of the trunk can be impacted, the tooth marks are enlarged, on the other hand, the power mechanism drives the branch inserting mechanism to perform cutting and peeling treatment on the lower side of the branch, after the cutting mechanism finishes running, the power mechanism is closed, the peeled branch is inserted into the trunk through the branch inserting mechanism, and.

Preferably, the supporting mechanism comprises a telescopic cylinder fixedly arranged on the side end face of the shell, a telescopic rod is connected in the telescopic cylinder in a sliding manner, the lower end of the telescopic rod is fixedly connected with a buffer groove, a buffer rod is connected in the buffer groove in a sliding manner, a buffer spring is arranged between the buffer rod and the bottom end of the buffer groove, one side end face of the buffer rod, which is far away from the bottom end of the buffer groove, is fixedly connected with an arc-shaped clamping plate, a first clamping groove is formed in the arc-shaped clamping plate, at least two roller assemblies are arranged on the inner end face, which is close to the central line of the shell, of the arc-shaped clamping plate, the plurality of roller assemblies are uniformly distributed on the inner end face of the arc-shaped clamping plate along the circumferential direction of the arc-shaped clamping plate, each roller assembly comprises two supporting plates fixedly connected on the inner end face of the, the telescopic grooves are uniformly distributed on the periphery of the roller along the circumferential direction of the roller, each telescopic groove is connected with a clamping block in a sliding mode, and a telescopic spring is arranged between each clamping block and the bottom end of each telescopic groove.

When the assistor is used, the telescopic rod is pulled out from the telescopic cylinder by a proper distance, the two arc-shaped splints are sleeved on the trunk, because the arc-shaped clamping plates are arranged in the buffer groove in a sliding way through the buffer rod, the two arc-shaped clamping plates can use trunks with various outer diameters, because the roller components on the inner end surfaces of the arc-shaped clamping plates are installed, when the assistor is pressed down to drive the arc-shaped clamping plates to slide towards the trunk, the rollers are contacted with the trunk to generate friction, rotates around the roller shaft under the action of friction force, after the sheathing distance of the arc-shaped clamping plate is adjusted, stop to push down this assistor, the fixture block on the gyro wheel this moment slides out from flexible inslot under expanding spring's the promotion and the cooperation of the contact of first draw-in groove on the arc splint, makes the rolling friction between gyro wheel and trunk change sliding friction into, improves the stability of this assistor arrangement in the trunk top through the mode of increase friction.

Preferably, the power mechanism comprises support blocks arranged on one side of the center line of the shell, the partition board is close to the support blocks, a control motor is arranged between the two support blocks, the upper output end of the control motor is fixedly connected with a first motor shaft, a fan is sleeved on the first motor shaft, the lower output end of the control motor is fixedly connected with a second motor shaft, the second motor shaft penetrates through the lower end wall of the shell and extends to the external space, a half-tooth gear is sleeved on the part, located in the shell, of the second motor shaft, an exhaust pipe is arranged in the second motor shaft, an air regulating valve is arranged in the exhaust pipe, an eccentric groove is fixedly connected to the outer peripheral side, located in the external space, of the air regulating valve, an eccentric rod is connected in the eccentric groove in a sliding mode, and a first stretching spring is.

After waiting that the supporting mechanism installs, start the control motor between two baffles, the control motor moves and drives the fan through first motor shaft on the one hand and rotate when moving, produce a certain amount of wind in the messenger casing, on the other hand control motor drives the second motor shaft and rotates, the second motor shaft rotates the in-process and drives the rotation of half-tooth gear on the one hand and provides power for the operation of mechanism of inserting branches, on the other hand second motor shaft drives the eccentric groove and drinks the eccentric rod and rotate in the below of casing, provide power for the operation of cutting mechanism, the wind that the fan rotation process produced simultaneously gets into in the exhaust pipe through air regulating valve control.

Preferably, the cutting mechanism comprises two connecting rods fixedly connected to the lower end face of the shell, the lower ends of the two connecting rods are fixedly connected with a slide way, a slide block is connected in the slide way in a sliding manner, a second extension spring is fixedly connected between the slide block and the inner wall of the right side of the slide way, a slide rail is arranged at the lower end of the slide block, a slide rod is connected in the slide way in a sliding manner, a first placing cavity b is limited in the slide rod, a ratchet shift lever is arranged in the first placing cavity b, a first compression spring is arranged between the slide rod and the bottom end of the slide rail, a ventilation hose is communicated between the slide rod and the exhaust pipe through a bearing, the slide way is provided with two trigger assemblies, the two trigger assemblies are distributed in bilateral symmetry about the central line of the slide way, each trigger assembly comprises two rotating shaft plates fixedly connected to, the improved structure of the sliding rail is characterized in that a first gear is sleeved on the rotating shaft, the rotating shaft is provided with a first gear, the first gear is far away from one side of the central line of the sliding rail, a first shaft sleeve is sleeved on one side of the central line of the sliding rail, a first arc-shaped slide way is arranged in the first shaft sleeve, the first arc-shaped slide way is located at the left side and the right side of the central line of the sliding rail, the angle of the first arc-shaped slide way is opposite to that of the first arc-shaped slide way, a spherical sliding block is connected with the spherical sliding block in a sliding mode, an elastic rod is fixedly connected between the rotating shaft and the spherical sliding block, a butting rod is arranged on the rotating shaft, a first placement cavity a is limited in the sliding block, a gear shaft is rotatably connected in the first placement cavity a in a rotating mode, a second gear meshed with the first gear is sleeved on the gear shaft, a And a cutting assembly is arranged at the lower end of the sliding rod.

When an eccentric rod of a power mechanism rotates clockwise, the eccentric rod is intermittently contacted with a butting rod a and a butting rod b, when the eccentric rod is contacted with the butting rod a, because the angle of a first arc-shaped slide way a is limited, the eccentric rod pushes the butting rod a to drive a rotating shaft to rotate in a first shaft sleeve, when the rotating shaft rotates, a gear shaft is driven to rotate in a first arranging cavity a through the meshing between a first gear and a second gear, a first rope is wound through a first winding wheel in the rotating process of the gear shaft, a control sliding block slides leftwards in the slide way, when the eccentric rod is contacted with the butting rod b, because the angle of the first arc-shaped slide way b is limited, the eccentric rod cannot push the butting rod b to drive the rotating shaft to rotate, and at the moment, the eccentric rod contracts towards the inside of an eccentric groove and directly slides across the surface of the butting;

when an eccentric rod of the power mechanism rotates anticlockwise, the eccentric rod is preferentially contacted with a butting rod b, the eccentric rod can drive a rotating shaft to rotate in a first shaft sleeve by stirring the butting rod b, the rotating shaft drives a gear shaft to rotate through meshing between a first gear and a second gear when rotating, a second cotton rope is wound through a first reel when the gear shaft rotates, the sliding rod is pulled to slide into a sliding rail through the second cotton rope, when the eccentric rod is contacted with the butting rod a, the eccentric rod can not push the butting rod a to drive the rotating shaft to rotate due to limitation of an angle of a first arc-shaped sliding rail a, and at the moment, the eccentric rod contracts into an eccentric groove again and directly slides from the surface of the butting rod b;

carry out clockwise and anticlockwise intermittent type nature conversion through power unit eccentric bar, control butt joint pole an and butt joint pole b are triggered by intermittent type nature, reciprocating sliding about steerable slider carries out in the slide when butt joint pole an is triggered, the slider drives the reciprocating sliding that the cutting unit carries out the left and right side in the trunk top promptly, when the eccentric bar triggers butt joint pole b, steerable slide bar carries out reciprocating motion from top to bottom in the slide rail, the slide bar drives the reciprocating motion that the cutting unit carried out the top in the trunk top promptly, simultaneously in the interior wind accessible ventilation hose of power unit exhaust pipe and the slide bar row cutting unit, carry out follow-up utilization.

Preferably, the cutting assembly comprises a cutting knife fixedly connected to the lower end of the sliding rod, a second arrangement cavity is defined in the cutting knife, a force guide plate is connected in the second arrangement cavity in a sliding mode, two second compression springs are arranged between the force guide plate and the upper inner wall of the second arrangement cavity, a ratchet shaft is rotatably connected to the part, located in the first arrangement cavity b, of the sliding rod, a ratchet wheel matched with the ratchet wheel shifting rod is sleeved on the ratchet shaft, a third rope is connected between the ratchet wheel and the force guide plate in a transmission mode, at least two sawtooth assemblies are arranged at the lower end of the cutting knife, the sawtooth assemblies are uniformly distributed on the lower end face of the cutting knife along the length direction of the cutting knife, an exhaust hole communicated with the second arrangement cavity and the external space is formed between every two sawtooth assemblies, and each sawtooth assembly comprises a groove formed in the cutting knife, the left and right sides inner wall of recess has seted up the half slot respectively, sliding connection has the tooth piece in the recess, the tooth piece with be equipped with third compression spring between the bottom of recess, the tooth piece with the transmission is connected with the fourth cotton rope between the deflector, two spacing grooves have been seted up on the tooth piece, every limiting groove sliding connection have with the spacing spin of half slot complex, spacing spin with be equipped with fourth compression spring between the bottom of spacing groove.

When the power mechanism rotates the slide bar anticlockwise to slide up and down in a reciprocating manner, the slide bar can drive the cutting knife to impact saw marks above the trunk, so that an opening of the saw marks is enlarged, when the slide bar moves down in the slide rail, the slide bar can drive the ratchet wheel to be in contact fit with the ratchet driving lever, the ratchet wheel drives the ratchet wheel shaft to rotate, the force guide plate is pulled to move up in the second placement cavity through the third cotton rope in the rotation process of the ratchet wheel shaft, and upward external force is applied to the tooth blocks through the fourth cotton ropes in the upward moving process of the force guide plate, the tooth piece drives spacing spin and follows the roll-off in the half slot under the exogenic action, makes the tooth piece slide to the recess and stretch out and draw back, causes the damage to the tooth piece when avoiding the cutting knife striking kerf, and the chamber is settled from a plurality of exhaust holes discharge through the second after the wind that power unit produced gets into the slide bar simultaneously, blows the end of the tree that drops in the kerf on the trunk, piles up the end of the tree in avoiding the kerf to influence the grafting of branch and trunk.

Preferably, the branch inserting mechanism comprises a base fixedly connected to the inner wall of the lower side of the shell, an optical shaft is rotatably connected to the base, a torsion spring is fixedly connected between the optical shaft and the base, a third gear meshed with the half-tooth gear of the power mechanism is sleeved on the optical shaft, a push rod is arranged at the upper end of the third gear on the optical shaft, a second reel is sleeved below the third gear on the optical shaft, a positioning plate is fixedly connected to the inner wall of the lower side of the shell, which is positioned at one side of the base, which is far away from the central line of the shell, a positioning slide way is arranged in the positioning plate, a positioning slide block is slidably connected in the positioning slide way through a spring, a fifth wire rope is connected between the positioning slide block and the second reel in a transmission manner, a peeling knife is fixedly connected to one side of the positioning slide block, which is far away from the central line, an electromagnetic slide way is formed in the inner wall of the side end of the shell, a magnetic slide block is connected in the electromagnetic slide way in a sliding mode, a control box for controlling the magnetic slide block to slide in the electromagnetic slide way in a reciprocating mode is arranged in the electromagnetic slide way, a rubber block is fixedly connected to the inner wall of the side end of the shell, and a clamping assembly is arranged at one end, close to the center line of the shell, of the magnetic slide block; the clamping assembly comprises a second shaft sleeve fixedly connected to the magnetic sliding block, a second clamping groove is formed in the inner wall, close to the magnetic sliding block, of one side of the second shaft sleeve, an arc-shaped sliding rail is formed in the inner wall, far away from the magnetic sliding block, of one side of the second shaft sleeve, a spherical block is connected in the arc-shaped sliding rail in a sliding mode, a third stretching spring is arranged between the spherical block and the bottom end of the arc-shaped sliding rail, a trigger rod driven by the push rod is fixedly connected to one side, far away from the central point of the second shaft sleeve, of the spherical block, a friction belt is fixedly connected to one side, close to the central point of the second shaft sleeve, of the spherical block, a clamping ring stirred by the friction belt is rotatably connected in the second shaft sleeve, two arc-shaped clamping plates are arranged on the inner end face of the clamping ring, the clamping groove is internally and slidably connected with a clamping block matched with the second clamping groove, a fifth compression spring is arranged between the clamping block and the bottom end of the clamping groove, the telescopic rod of the supporting mechanism is fixedly connected with a collecting box, and the collecting box is rotatably connected with an inclined plate through a torsion spring.

The tree trunk to be grafted is initially placed between the two arc-shaped clamping plates in the clamping ring, the tree trunk to be grafted is clamped to a certain extent through the two arc-shaped clamping plates, one clamping block on the clamping ring is pushed by the fifth compression spring to be located outside the clamping groove, namely the clamping block is in contact fit with the second clamping groove in the second shaft sleeve, the position of the clamping ring is limited, and the clamping ring is controlled not to rotate;

when a half-tooth gear of a power mechanism rotates, the half-tooth gear is intermittently meshed with a third gear, when the half-tooth gear is meshed with the third gear, the third gear drives an optical shaft to rotate on a base and stores force of a torsion spring pull rope between the optical shaft and the base, a fifth wire rope is wound by a second wire reel in the rotation process of the optical shaft, a positioning slide block is pulled to move downwards in a positioning slide way through the fifth wire rope, a peeling knife is driven to peel and cut grafted branches in the downward moving process of the positioning slide block, when the peeling knife is contacted with the branches, a grinding block on the peeling knife is respectively squeezed to slide towards the peeling knife, when the peeling knife finishes cutting the branches, a grinding block is popped out from the peeling knife to grind the bottom ends of the peeled and cut branches, and an inclined plate below a shell is initially distributed in a state that one end close to the center line of the shell is higher and the other end is lower, the cut skins directly fall into a collection box for uniform collection through the guiding of the inclined plate;

secondly, the push rod is driven to intermittently contact with the trigger rod in the rotating process of the optical axis, when the push rod contacts with the trigger rod, the push rod drives the spherical block to slide in the arc-shaped slide rail in the direction far away from the third tension spring by shifting the trigger rod, the spherical block drives the friction belt to slide on the surface of the clamping ring in the sliding process of the friction belt, the friction belt generates friction in the sliding process, under the action of friction force, the clamping block on the clamping ring slides out of the second clamping groove, the limit cancellation of the clamping ring in the second shaft sleeve is controlled, the clamping ring generates certain angular rotation in the second shaft sleeve, namely, the intermittent angular rotation of the branches to be grafted in the clamping ring is controlled by the mode that the push rod intermittently shifts the trigger rod, so that the lower ends of the branches are completely;

wait to cut the mechanism operation and finish the back, move down in the electromagnetism slide through control box control magnetism slider, magnetism slider passes through clamping component and drives the branch of waiting to graft and stretch from the lower terminal wall opening part of casing, make the hang plate take place to be close to the rotation of casing central line direction through the contact with the hang plate, will wait in the tooth trace of grafting branch inserts the trunk, the angle deflection of hang plate provides stable support in the trunk to the insertion of waiting to graft branch, the stability of grafting in-process branch insertion trunk has been guaranteed.

Compared with the prior art, the fruit tree grafting assistor has the following advantages:

1. because supporting mechanism's design, two arc splint on the supporting mechanism slide through the buffer beam and set up in the dashpot, make two arc splint can use the trunk of multiple external diameter size, because the installation of terminal surface wheel components in the arc splint, when this assistor of underswing drives arc splint and slides to the trunk, the gyro wheel produces the friction with the trunk contact, take place to rotate around the roller shaft under the frictional force effect, establish apart from the back of adjusting when the cover of arc splint, stop to push this assistor, the fixture block on the gyro wheel slides out from the flexible inslot under expanding spring's the promotion this moment and cooperates with the first draw-in groove contact on the arc splint, make the rolling friction between gyro wheel and trunk change sliding friction into, improve the stability of this assistor arrangement in the trunk top through the mode of increase friction.

2. Because of the design of the cutting mechanism, the eccentric rod of the power mechanism is used for performing clockwise and anticlockwise intermittent conversion, the abutting rod a and the abutting rod b are controlled to be intermittently triggered, when the abutting rod a is triggered, the sliding block can be controlled to perform left-right reciprocating sliding in the sliding way, namely, the sliding block drives the cutting assembly to perform left-right reciprocating sliding above a trunk, saw mark processing is performed on the trunk, when the eccentric rod triggers the abutting rod b, the sliding rod can be controlled to perform up-and-down reciprocating operation in the sliding rail, namely, the sliding rod drives the cutting assembly to perform up-and-down reciprocating operation above the trunk, the saw mark above the trunk is impacted by the cutting knife, the opening of the saw mark is enlarged, when the sliding rod performs up-and-down reciprocating sliding, the tooth blocks in the cutting assembly can be controlled to contract in the cutting knife, the tooth blocks are prevented from being damaged when the cutting knife impacts the saw mark, and simultaneously, wind generated by the power mechanism, blow the tree end that drops in the kerf on the trunk, avoid piling up the tree end in the kerf to influence the grafting of branch.

3. Due to the design of the cutting mechanism, under the driving of the power mechanism, the cutting mechanism can drive the branches to be grafted to intermittently rotate, the branches after the angles are converted are peeled and cut, the bottoms of the branches can be polished while the branches are peeled, the subsequent grafting work is guaranteed, after the cutting mechanism finishes running, the magnetic sliding block is controlled by the control box to move downwards in the electromagnetic slide way, the magnetic sliding block drives the branches to be grafted to extend from the opening of the lower end wall of the shell through the clamping component, the inclined plate rotates close to the center line direction of the shell through contact with the inclined plate, the branches to be grafted are inserted into the tooth marks of the trunks, meanwhile, the angle deflection of the inclined plate provides stable support for the insertion of the branches to be grafted into the trunks, and the stability of the branches inserted into the trunks in the grafting process is guaranteed.

Drawings

Fig. 1 is a schematic perspective view of the fruit tree grafting aid.

Fig. 2 is a sectional view taken along the line a-a of fig. 1 according to the present invention.

Fig. 3 is a cross-sectional view taken along the line B-B of fig. 1 in accordance with the present invention.

Fig. 4 is an enlarged partial schematic view of the invention at C in fig. 3.

Fig. 5 is an enlarged partial schematic view of the invention at D in fig. 2.

Fig. 6 is an enlarged partial schematic view at E of fig. 5 of the present invention.

Fig. 7 is a sectional view in the direction F-F of fig. 5 of the present invention.

Fig. 8 is an enlarged partial schematic view of the invention at G in fig. 7.

Fig. 9 is an enlarged partial schematic view at H of fig. 2 of the present invention.

Fig. 10 is an enlarged partial schematic view at I of fig. 9 of the present invention.

Fig. 11 is a left side sectional view of the part abutment bar 170a of fig. 9 according to the present invention.

Fig. 12 is a left side sectional view of the part abutment bar 170b of fig. 9 according to the present invention.

Fig. 13 is an enlarged partial schematic view at J of fig. 9 of the present invention.

Fig. 14 is an enlarged partial view of the invention at K in fig. 9.

In the figure, a housing 100, a handle 101, a partition plate 102, a telescopic cylinder 103, a telescopic rod 104, a buffer groove 105, a buffer rod 106, a buffer spring 107, an arc-shaped clamping plate 108, a first clamping groove 109, a support plate 110, a roller shaft 111, a roller 112, a telescopic groove 113, a fixture block 114, a telescopic spring 115, a collection box 116, an inclined plate 117, a support block 118, a control motor 119, a first motor shaft 120, a fan 121, a second motor shaft 122, an eccentric groove 123, an eccentric rod 124, a first stretching spring 125, an air regulating valve 126, an exhaust pipe 127, a semi-toothed gear 128, a base 129, an optical axis 130, a torsion spring 131, a second reel 132, a third gear 133, a push rod 134, a positioning plate 135, a positioning slideway 136, a positioning slider 137, a peeling knife 138, a sanding block 139, an electromagnetic slideway 140, a magnetic slider 141, a control box 142, a rubber block 143, a fifth wire rope 144, a second shaft sleeve 145, a second clamping groove 146, the clamping spring 149, the clamping groove 150, the clamping block 151, the fifth compression spring 152, the arc-shaped slide rail 153, the spherical block 154, the third extension spring 155, the trigger lever 156, the friction belt 157, the connecting rod 158, the slide 159, the slider 160, the second extension spring 161, the first cord 162, the first housing cavity 163, the gear shaft 164, the first reel 165, the second gear 166, the rotating shaft plate 167, the rotating shaft 168, the first gear 169, the abutment lever 170, the first sleeve 171, the first arc-shaped slide 172, the spherical slider 173, the elastic lever 174, the slide rail 175, the sliding lever 176, the first compression spring 177, the second cord 178, the ratchet shaft 179, the ratchet 180, the ratchet lever 181, the third cord 182, the cutting knife 183, the guide plate 184, the second compression spring 185, the groove 186, the semicircular groove 187, the tooth block 188, the limit groove 189, the limit ball 190, the fourth compression spring 191, the third compression spring 192, the fourth cord 193, the fourth compression spring 193, the third cord 193, the fourth, An air exhaust hole 194, a second seating chamber 195, and a ventilation hose 199.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1 and 2, the fruit tree grafting aid includes a casing 100, a handle 101 is disposed at an upper end of the casing 100, two partition plates 102 are disposed in the casing 100, support mechanisms are disposed on left and right end faces of the casing 100, the two support mechanisms are symmetrically disposed about a center line of the casing 100, a power mechanism for driving the aid to operate is disposed between the two partition plates 102 in the casing 100, a cutting mechanism driven by the power mechanism is disposed at a lower end of the casing 100, and a branch inserting mechanism is disposed on a side of each partition plate 102 away from the center line of the casing 100 in the casing 100.

Before the auxiliary device is used, a branch to be grafted is placed on one side, away from the central line of the shell 100, of the partition plate 102 in the shell 100, the branch is clamped to a certain degree through the inserting mechanism, after the branch is placed well, the auxiliary device is placed above a trunk through the supporting mechanism, the power mechanism is started, on one hand, the cutting mechanism is driven by the power mechanism to intermittently slide left and right above the trunk in a reciprocating mode, tooth marks can be scraped on the surface of the trunk when the cutting mechanism slides left and right, the tooth marks of the trunk can be impacted when the cutting mechanism slides up and down in a reciprocating mode, the tooth marks are enlarged, on the other hand, the power mechanism drives the inserting mechanism to cut and peel the lower portion of the branch, after the cutting mechanism finishes operation, the power mechanism is closed, the peeled branch is inserted into the trunk through the inserting mechanism, and grafting work is finished.

As shown in fig. 2, 3 and 4, the supporting mechanism includes a telescopic cylinder 103 fixedly disposed on the side end surface of the housing 100, a telescopic rod 104 is slidably connected in the telescopic cylinder 103, the lower end of the telescopic rod 104 is fixedly connected with a buffer slot 105, a buffer rod 106 is slidably connected in the buffer slot 105, a buffer spring 107 is disposed between the buffer rod 106 and the bottom end of the buffer slot 105, a side end surface of the buffer rod 106 away from the bottom end of the buffer slot 105 is fixedly connected with an arc clamp plate 108, a first slot 109 is disposed on the arc clamp plate 108, at least two roller assemblies are disposed on the inner end surface of the arc clamp plate 108 close to the central line of the housing 100, the plurality of roller assemblies are uniformly distributed on the inner end surface of the arc clamp plate 108 along the circumferential direction of the arc clamp plate 108, each roller assembly includes two support plates 110 fixedly connected on the inner end surface of the arc clamp plate 108, a roller shaft 111 is rotatably connected between the, a plurality of telescopic grooves 113 are uniformly distributed on the outer periphery of the roller 112 along the circumferential direction of the roller 112, a fixture block 114 is connected in each telescopic groove 113 in a sliding manner, and a telescopic spring 115 is arranged between the fixture block 114 and the bottom end of the telescopic groove 113.

When the auxiliary device is used, the telescopic rod 104 is pulled out from the telescopic cylinder 103 by a proper distance, the two arc-shaped splints 108 are sleeved on the trunk, because the arc-shaped clamping plates 108 are arranged in the buffer groove 105 in a sliding way through the buffer rod 106, the two arc-shaped clamping plates 108 can use trunks with various outer diameter sizes, due to the installation of the roller assembly on the inner end surface of the arc-shaped clamp plate 108, when the assistor is pressed down to drive the arc-shaped clamp plate 108 to slide towards the trunk, the roller 112 contacts with the trunk to generate friction, under the action of friction force, the roller 12 rotates around the roller shaft 111, and after the sleeving distance of the arc-shaped clamping plate 108 is adjusted, stop to push down this assistor, the fixture block 114 on the gyro wheel 112 slides out from telescopic slot 113 under the promotion of expanding spring 115 this moment and the first draw-in groove 109 contact cooperation on the arc splint 108, makes the rolling friction between gyro wheel 112 and trunk change into sliding friction, improves the stability of this assistor arrangement in the trunk top through the mode of increase friction.

As shown in fig. 2, 5 and 9, the power mechanism includes support blocks 118 disposed on one side of the partition plate 102 close to the center line of the casing 100, a control motor 119 is disposed between the two support blocks 118, an upper output end of the control motor 119 is fixedly connected to a first motor shaft 120, the first motor shaft 120 is sleeved with a fan 121, a lower output end of the control motor 119 is fixedly connected to a second motor shaft 122, the second motor shaft 122 penetrates through a lower end wall of the casing 100 and extends to an external space, a half-tooth gear 128 is sleeved on a portion of the second motor shaft 122 located in the casing 100, an exhaust pipe 127 is disposed in the second motor shaft 122, an air regulating valve 126 is disposed in the exhaust pipe 127, an eccentric groove 123 is fixedly connected to an outer peripheral side of the air regulating valve 126 located in the external space, an eccentric rod 124 is slidably connected to the eccentric groove 123, and a first.

After the supporting mechanism is installed, the control motor 119 between the two partition plates 102 is started, when the control motor 119 operates, on one hand, the first motor shaft 120 drives the fan 121 to rotate, so that a certain amount of wind is generated in the shell 100, on the other hand, the control motor 119 drives the second motor shaft 122 to rotate, when the second motor shaft 122 rotates, on the one hand, the half-tooth gear 128 is driven to rotate to provide power for the operation of the transplanting mechanism, and on the other hand, the second motor shaft 122 drives the eccentric groove 123 to rotate below the shell 100, so that power is provided for the operation of the cutting mechanism, and meanwhile, the wind generated in the rotating process of the fan 121 is controlled by the air regulating valve 126 to enter the exhaust pipe 127.

As shown in fig. 9, 10, 11 and 12, the cutting mechanism includes two connecting rods 158 fixedly connected to the lower end surface of the casing 100, the lower ends of the two connecting rods 158 are fixedly connected to a slide 159, a slide 160 is slidably connected to the slide 159, a second extension spring 161 is fixedly connected between the slide 160 and the right inner wall of the slide 159, a slide 175 is disposed at the lower end of the slide 160, a slide 176 is slidably connected to the slide 175, a first accommodating cavity 163b is defined in the slide 176, a ratchet rod 181 is disposed in the first accommodating cavity 163b, a first compression spring 177 is disposed between the slide 176 and the bottom end of the slide 175, a ventilation hose 199 is communicated between the slide 176 and the exhaust duct 127 through a bearing, two trigger assemblies are disposed on the slide 159, the two trigger assemblies are symmetrically distributed about the center line of the slide 159, the trigger assemblies include two pivot plates 167 fixedly connected to the slide 159, and a pivot 168 is rotatably connected between the two, a first gear 169 is sleeved on the rotating shaft 168, a first shaft sleeve 171 is sleeved on one side of the rotating shaft 168, which is positioned on the first gear 169 and far away from the center line of the slide 159, a first arc-shaped slide 172 is arranged in the first shaft sleeve 171, the angles of the two first arc-shaped slides 172 positioned on the left side and the right side of the center line of the slide 159 are opposite, a spherical slide block 173 is connected in the first arc-shaped slide 172 in a sliding manner, an elastic rod 174 is fixedly connected between the spherical slide block 173 and the rotating shaft 168, a butting rod 170 is arranged on the rotating shaft 168, a first accommodating cavity 163a is defined in the slide block 160, a gear shaft 164 is rotatably connected in the first accommodating cavity 163a, a second gear 166 meshed with the first gear 169 is sleeved on the gear shaft 164, a first reel 165 is arranged between the first reel 165 positioned on the left side of the center line 159 of the slide and the inner wall on the left side of the slide 159 in a transmission, the lower end of the slide bar 176 is provided with a cutting assembly.

When the eccentric rod 124 of the power mechanism rotates clockwise, the eccentric rod 124 intermittently contacts the contact rod 170a and the contact rod 170b, and when the eccentric rod 124 contacts the contact rod 170a, due to the limited angle of the first arc-shaped slideway 172a, the eccentric rod 124 pushes the abutting rod 170a to drive the rotating shaft 168 to rotate in the first shaft sleeve 171, when the rotating shaft 168 rotates, the gear shaft 164 is driven to rotate in the first mounting cavity 163a through the meshing between the first gear 169 and the second gear 166, the first rope 162 is wound by the first reel 165 during the rotation of the gear shaft 164, the control slider 160 slides leftwards in the slideway 159, when the eccentric rod 124 is in contact with the abutting rod 170b, due to the limited angle of the first arc-shaped slideway 172b, the eccentric rod 124 cannot push the abutting rod 170b to drive the rotating shaft 168 to rotate, and at this time, the eccentric rod 124 retracts into the eccentric groove 123 and directly slides over the surface of the abutting rod 170 b;

when the eccentric rod 124 of the power mechanism rotates counterclockwise, the eccentric rod 124 preferentially contacts with the abutting rod 170b, at this time, the eccentric rod 124 can drive the rotating shaft 168 to rotate in the first shaft sleeve 171 by stirring the abutting rod 170b, the rotating shaft 168 drives the gear shaft 164 to rotate through the engagement between the first gear 169 and the second gear 166 when rotating, the gear shaft 164 winds the second wire rope 178 through the first wire reel 165 when rotating, the sliding rod 176 is pulled to slide into the sliding rail 175 through the second wire rope 178, when the eccentric rod 124 contacts with the abutting rod 170a, due to the limitation of the angle of the first arc-shaped slideway 172a, the eccentric rod 124 can not push the abutting rod 170a to drive the rotating shaft 168 to rotate, and at this time, the eccentric rod 124 contracts into the eccentric groove 123 again and directly slides through the surface of the abutting rod 170 b;

the eccentric rod 124 of the power mechanism is used for intermittent conversion between clockwise and anticlockwise, the abutting rod 170a and the abutting rod 170b are controlled to be intermittently triggered, when the abutting rod 170a is triggered, the sliding block 160 can be controlled to perform left-right reciprocating sliding in the sliding channel 159, namely, the sliding block 160 drives the cutting assembly to perform left-right reciprocating sliding above a trunk, when the eccentric rod 124 triggers the abutting rod 170b, the sliding rod 176 can be controlled to perform up-down reciprocating operation in the sliding rail 175, namely, the sliding rod 176 drives the cutting assembly to perform up-down reciprocating operation above the trunk, and meanwhile, air in the exhaust pipe 127 of the power mechanism can be exhausted into the cutting assembly through the ventilation hose 199 and the sliding rod 176 for subsequent utilization.

As shown in fig. 9, 13 and 14, the cutting assembly includes a cutting knife 183 fixedly connected to the lower end of the sliding rod 176, a second placing cavity 195 is defined in the cutting knife 183, a force guide plate 184 is slidably connected to the second placing cavity 195, two second compression springs 185 are disposed between the force guide plate 184 and the upper inner wall of the second placing cavity 195, a ratchet shaft 179 is rotatably connected to a portion of the sliding rod 176 located in the first placing cavity 163b, a ratchet 180 engaged with the ratchet rod 181 is sleeved on the ratchet shaft 179, a third wire 182 is rotatably connected between the ratchet 180 and the force guide plate 184, at least two saw tooth assemblies are disposed at the lower end of the cutting knife 183, a plurality of saw tooth assemblies are uniformly distributed on the lower end surface of the cutting knife 183 along the length direction of the cutting knife 183, an exhaust hole 194 communicating the second placing cavity 195 with the external space is disposed between each two saw tooth assemblies, each saw tooth assembly includes a groove 186 disposed on the cutting knife 183, semicircular grooves 187 are respectively disposed on the left, a tooth block 188 is connected in the groove 186 in a sliding mode, a third compression spring 192 is arranged between the tooth block 188 and the bottom end of the groove 186, a fourth cord 193 is connected between the tooth block 188 and the force guide plate 184 in a transmission mode, two limiting grooves 189 are formed in the tooth block 188, a limiting rolling ball 190 matched with the semicircular groove 187 is connected in each limiting groove 189 in a sliding mode, and a fourth compression spring 191 is arranged between the limiting rolling ball 190 and the bottom end of each limiting groove 189.

The limiting rolling ball 190 is located outside the limiting groove 189 under the push of the fourth compression spring 191 initially, namely the limiting rolling ball 190 is in contact fit with the semicircular groove 187 to limit the position of the tooth block 188 in the groove 186, when the power mechanism rotates the slide block 160 clockwise to slide back and forth left and right, the slide block 160 drives the tooth blocks 188 to slide back and forth above the trunk through the cutting knife 183, a trace is sawn above the trunk, when the power mechanism rotates the slide bar 176 counterclockwise to slide back and forth up and down, the slide bar 176 can drive the cutting knife 183 to impact the saw trace above the trunk, so that the opening of the saw trace is enlarged, when the slide bar 176 moves down in the slide rail 175, the slide bar 176 can drive the ratchet 180 to be in contact fit with the ratchet deflector rod 181, the ratchet 180 drives the ratchet shaft 179 to rotate, the force guide plate 184 is pulled to move up and down in the second placing cavity 195 through the third wire 182 during the rotation of the, the power guide plate 184 moves up the in-process and applys ascending external force to tooth piece 188 through a plurality of fourth wire ropes 193, tooth piece 188 drives spacing spin 190 and slides out from semi-circular groove 187 under the effect of external force, make tooth piece 188 slide flexible to recess 186, cause the damage to tooth piece 188 when avoiding cutting knife 183 striking the kerf, the wind that power unit produced simultaneously gets into behind the slide bar 176 is arranged the chamber 195 through the second and is discharged from a plurality of exhaust holes 194 department, blow the terminal that drops in the kerf on the trunk, pile up the terminal in the kerf, thereby influence the grafting of branch and trunk.

As shown in fig. 2, 5, 6, 7 and 8, the pruning mechanism includes a base 129 fixedly connected to the inner wall of the lower side of the housing 100, an optical axis 130 is rotatably connected to the base 129, a torsion spring 131 is fixedly connected between the optical axis 130 and the base 129, a third gear 133 engaged with the half-gear 128 of the power mechanism is sleeved on the optical axis 130, a push rod 134 is arranged at the upper end of the third gear 133 on the optical axis 130, a second reel 132 is sleeved below the third gear 133 on the optical axis 130, a positioning plate 135 is fixedly connected to the inner wall of the lower side of the housing 100 at the side of the base 129 away from the center line of the housing 100, a positioning slide way 136 is arranged in the positioning plate 135, a positioning slide block 137 is slidably connected to the positioning slide way 136 through a spring, a fifth line 144 is drivingly connected between the positioning slide block 137 and the second reel 132, a peeling knife 138 is fixedly connected to the side of the positioning slide block 137 away from the center line of the, an electromagnetic slide way 140 is formed in the inner wall of the side end of the shell 100, a magnetic slide block 141 is connected in the electromagnetic slide way 140 in a sliding manner, a control box 142 for controlling the magnetic slide block 141 to slide in the electromagnetic slide way 140 in a reciprocating manner is arranged in the electromagnetic slide way 140, a rubber block 143 is fixedly connected to the inner wall of the side end of the shell 100, and a clamping assembly is arranged at one end, close to the center line of the shell 100, of the magnetic slide block 141; the clamping assembly comprises a second shaft sleeve 145 fixedly connected on the magnetic slider 141, a second clamping groove 146 is formed in the inner wall of one side, close to the magnetic slider 141, of the second shaft sleeve 145, an arc-shaped slide rail 153 is formed in the inner wall of one side, far away from the magnetic slider 141, of the second shaft sleeve 145, a spherical block 154 is connected in the arc-shaped slide rail 153 in a sliding mode, a third tension spring 155 is arranged between the spherical block 154 and the bottom end of the arc-shaped slide rail 153, a trigger rod 156 driven by the push rod 134 is fixedly connected to one side, far away from the central point of the second shaft sleeve 145, of the spherical block 154, a friction belt 157 is fixedly connected to one side, close to the central point of the second shaft sleeve 145, a clamping ring 147 driven by the friction belt 157 is connected in the second shaft sleeve 145 in a rotating mode, two arc-shaped clamping plates 148 are arranged on the inner end face, clamping groove 150 is internally and slidably connected with a clamping block 151 matched with second clamping groove 146, a fifth compression spring 152 is arranged between clamping block 151 and the bottom end of clamping groove 150, a collecting box 116 is fixedly connected onto a telescopic rod 104 of the supporting mechanism, and an inclined plate 117 is rotatably connected onto collecting box 116 through a torsion spring.

Initially, the branch to be grafted is placed between the two arc-shaped clamping plates 148 in the clamping ring 147, the branch to be grafted is clamped to a certain extent by the two arc-shaped clamping plates 148, one clamping block 151 on the clamping ring 147 is positioned outside the clamping groove 150 under the pushing of a fifth compression spring 152, namely the clamping block 151 is in contact fit with the second clamping groove 146 on the second shaft sleeve 145, the position of the clamping ring 147 is limited, and the clamping ring 147 is controlled not to rotate;

when the half-tooth gear 128 of the power mechanism rotates, the half-tooth gear 128 is intermittently meshed with the third gear 133, when the half-tooth gear 128 is meshed with the third gear 133, the third gear 133 drives the optical axis 130 to rotate on the base 129 and pull the torsion spring 131 between the optical axis 130 and the base 129 to accumulate force, the optical axis 130 winds the fifth wire rope 144 through the second reel 132 in the rotating process, the positioning slide block 137 is pulled to move downwards in the positioning slide way 136 through the fifth wire rope 144, the positioning slide block 137 drives the peeling knife 138 to peel and cut grafted branches in the downward moving process, when the peeling knife 138 is contacted with the branches, the polishing block 139 on the peeling knife 138 is respectively squeezed to slide towards the peeling knife 138, when the peeling knife 138 finishes cutting the branches, the polishing block 139 is popped out from the peeling knife 138 to polish the bottom ends of the cut branches, and the inclined plate 117 below the shell 100 is initially distributed in a state that one end close to the center line of the shell 100 is higher and the other end is lower, the cut skins are guided by the inclined plate 117 to directly fall into the collection box 116 for uniform collection;

secondly, the push rod 134 is driven to intermittently contact with the trigger rod 156 in the rotation process of the optical axis 130, when the push rod 134 contacts with the trigger rod 156, the push rod 134 drives the spherical block 154 to slide in the arc-shaped slide rail 153 in the direction away from the third tension spring 155 by toggling the trigger rod 156, the spherical block 154 drives the friction belt 157 to slide on the surface of the clamping ring 147 in the sliding process, the friction belt 157 generates friction in the sliding process, under the action of friction force, the clamping block 151 on the clamping ring 147 slides out of the second clamping groove 146, the limit cancellation of the clamping ring 147 in the second shaft sleeve 145 is controlled, the clamping ring 147 is driven to rotate in a certain angle in the second shaft sleeve 145, namely, the intermittent angular rotation of the branches to be grafted in the clamping ring 147 is controlled in a mode that the trigger rod 156 is intermittently toggled by the push rod 134, so that the lower ends of the branches are completely;

after the mechanism that waits to cut finishes operating, move down in electromagnetism slide 140 through control box 142 control magnetism slider 141, magnetism slider 141 passes through clamping component and drives the branch that waits to be grafted and stretch from the lower terminal wall opening part of casing 100 department, make the rotation of hang plate 117 emergence near casing 100 central line direction through the contact with hang plate 117, insert the branch that waits to be grafted in the tooth trace of trunk, the angle deflection of hang plate 117 provides stable support in inserting of trunk of branch that waits to be grafted simultaneously, the stability of branch inserting trunk in the grafting process has been guaranteed.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a fruit tree grafting assistor, includes casing (100), the upper end of casing (100) is equipped with handle (101), be equipped with two baffle (102) in casing (100), its characterized in that: the branch inserting device is characterized in that the end faces of the left side and the right side of the shell (100) are respectively provided with a supporting mechanism, the two supporting mechanisms are distributed in a bilateral symmetry mode about the central line of the shell (100), two power mechanisms for driving the auxiliary device to run are arranged between the partition plates (102) in the shell (100), the lower end of the shell (100) is provided with a cutting mechanism driven by the power mechanisms, and each partition plate (102) in the shell (100) is far away from one side of the central line of the shell (100) and is provided with a branch inserting mechanism.

2. The fruit tree grafting aid as claimed in claim 1, wherein: the supporting mechanism comprises a telescopic cylinder (103) fixedly arranged on the side end face of the shell (100), a telescopic rod (104) is connected in the telescopic cylinder (103) in a sliding manner, a buffer groove (105) is fixedly connected to the lower end of the telescopic rod (104), a buffer rod (106) is connected in the buffer groove (105) in a sliding manner, a buffer spring (107) is arranged between the buffer rod (106) and the bottom end of the buffer groove (105), an arc-shaped clamping plate (108) is fixedly connected to one side end face of the buffer groove (105) bottom end of the buffer rod (106), a first clamping groove (109) is formed in the arc-shaped clamping plate (108), at least two inner end faces of the arc-shaped clamping plate (108) close to the inner end face of the center line of the shell (100) are provided with at least two inner end wheel assemblies which are uniformly distributed on the inner end face of the arc-shaped clamping plate (108) along the circumferential direction of the clamping plate (108), and the two supporting, two it is connected with roller shaft (111) to rotate between backup pad (110), the cover is equipped with gyro wheel (112) on roller shaft (111), set up two at least flexible groove (113) on gyro wheel (112), it is a plurality of flexible groove (113) are along the circumferencial direction equipartition of gyro wheel (112) at the periphery side of gyro wheel (112), every flexible inslot (113) sliding connection has fixture block (114), fixture block (114) with be equipped with expanding spring (115) between the bottom in flexible groove (113).

3. The fruit tree grafting aid as claimed in claim 1, wherein: the power mechanism comprises supporting blocks (118) arranged on one side, close to the center line of the shell (100), of the partition plate (102), a control motor (119) is arranged between the two supporting blocks (118), the upper output end of the control motor (119) is fixedly connected with a first motor shaft (120), a fan (121) is sleeved on the first motor shaft (120), the lower output end of the control motor (119) is fixedly connected with a second motor shaft (122), the second motor shaft (122) penetrates through the lower end wall of the shell (100) and extends to the external space, a half-tooth gear (128) is sleeved on the part, located in the shell (100), of the second motor shaft (122), an exhaust pipe (127) is arranged in the second motor shaft (122), an air regulating valve (126) is arranged in the exhaust pipe (127), and an eccentric groove (123) is fixedly connected on the outer peripheral side of the air regulating valve (126) located in the external space, an eccentric rod (124) is connected in the eccentric groove (123) in a sliding mode, and a first extension spring (125) is arranged between the eccentric rod (124) and the bottom end of the eccentric groove (123).

4. The fruit tree grafting aid as claimed in claim 3, wherein: the cutting mechanism comprises two connecting rods (158) fixedly connected to the lower end face of the shell (100), two connecting rods (158) are fixedly connected to the lower end of the sliding rail (159), a sliding block (160) is slidably connected to the sliding rail (159), a second extension spring (161) is fixedly connected to the sliding block (160) and the inner wall of the right side of the sliding rail (159), a sliding rail (175) is arranged at the lower end of the sliding block (160), a sliding rod (176) is slidably connected to the sliding rail (175), a first accommodating cavity (163b) is defined in the sliding rod (176), a ratchet shift lever (181) is arranged in the first accommodating cavity (163b), a first compression spring (177) is arranged between the sliding rod (176) and the bottom end of the sliding rail (175), a ventilation hose (199) is communicated with the exhaust pipe (127) through a bearing, and two trigger assemblies are arranged on the sliding rail (159), two the central line that triggers the subassembly about slide (159) is bilateral symmetry and distributes, trigger the subassembly including linking firmly two pivot boards (167) on slide (159), two pivot board (167) are rotated between and are connected with pivot (168), the cover is equipped with first gear (169) in pivot (168), lie in on pivot (168) first gear (169) are kept away from one side cover of slide (159) central line is equipped with first axle sleeve (171), set up first arc slide (172) in first axle sleeve (171), lie in two of slide (159) central line left and right sides first arc slide (172) are seted up the angle and are opposite, sliding connection has spherical slider (173) in first arc slide (172), spherical slider (173) with elastic rod (174) have been linked firmly between pivot (168), be equipped with on pivot (168) and connect pole (170), a first placing cavity (163a) is defined in the sliding block (160), a gear shaft (164) is rotatably connected in the first placing cavity (163a), a second gear (166) meshed with the first gear (169) is sleeved on the gear shaft (164), a first reel (165) is sleeved on the gear shaft (164), a first rope (162) is in transmission connection between the first reel (165) located on the left side of the center line of the slideway (159) and the inner wall of the left side of the slideway (159), a second rope (178) is in transmission connection between the first reel (165) located on the right side of the center line of the slideway (159) and the sliding rod (176), and a cutting assembly is arranged at the lower end of the sliding rod (176).

5. The fruit tree grafting aid as claimed in claim 4, wherein: the cutting assembly comprises a cutting knife (183) fixedly connected to the lower end of the sliding rod (176), a second placing cavity (195) is defined in the cutting knife (183), a force guide plate (184) is connected in the second placing cavity (195) in a sliding mode, two second compression springs (185) are arranged between the force guide plate (184) and the inner wall of the upper side of the second placing cavity (195), a ratchet shaft (179) is rotatably connected to the part, located in the first placing cavity (163b), of the sliding rod (176), a ratchet wheel (180) matched with the ratchet wheel deflector rod (181) is sleeved on the ratchet shaft (179), a third wire rope (182) is connected between the ratchet wheel (180) and the force guide plate (184) in a transmission mode, at least two saw tooth assemblies are arranged at the lower end of the cutting knife (183), and a plurality of the saw tooth assemblies are uniformly distributed on the lower end face of the cutting knife (183) along the length direction of the cutting knife (183), an exhaust hole (194) which is communicated with the second placing cavity (195) and the external space is arranged between every two saw tooth components, the sawtooth component comprises a groove (186) arranged on the cutting knife (183), the inner walls of the left side and the right side of the groove (186) are respectively provided with a semicircular groove (187), a tooth block (188) is connected in the groove (186) in a sliding way, a third compression spring (192) is arranged between the tooth block (188) and the bottom end of the groove (186), a fourth cord (193) is connected between the tooth block (188) and the force guide plate (184) in a transmission way, two limiting grooves (189) are formed in the tooth block (188), a limiting rolling ball (190) matched with the semicircular groove (187) is connected in each limiting groove (189) in a sliding manner, a fourth compression spring (191) is arranged between the limiting rolling ball (190) and the bottom end of the limiting groove (189).

6. The fruit tree grafting aid as claimed in claim 1, wherein: the branch inserting mechanism comprises a base (129) fixedly connected with the lower side inner wall of the shell (100), an optical shaft (130) is connected to the base (129) in a rotating mode, a torsion spring (131) is fixedly connected between the optical shaft (130) and the base (129), a third gear (133) meshed with a half-tooth gear (128) of the power mechanism is sleeved on the optical shaft (130), a push rod (134) is arranged at the upper end of the third gear (133) on the optical shaft (130), a second reel (132) is sleeved under the third gear (133) on the optical shaft (130), the lower side inner wall of the shell (100) is located on the base (129), a positioning plate (135) is fixedly connected to one side of the central line of the shell (100), a positioning slide way (136) is arranged in the positioning plate (135), and a positioning slide block (137) is connected to the positioning slide way (136) through a spring in a sliding mode, a fifth rope (144) is in transmission connection between the positioning sliding block (137) and the second reel (132), a peeling knife (138) is fixedly connected to one side, away from the center line of the shell (100), of the positioning sliding block (137), a polishing block (139) is connected to the peeling knife (138) in a sliding mode through a spring, an electromagnetic slide way (140) is formed in the inner wall of the side end of the shell (100), a magnetic sliding block (141) is connected to the electromagnetic slide way (140) in a sliding mode, a control box (142) for controlling the magnetic sliding block (141) to slide in the electromagnetic slide way (140) in a reciprocating mode is arranged in the electromagnetic slide way (140), a rubber block (143) is fixedly connected to the inner wall of the side end of the shell (100), and a clamping assembly is arranged at one end, close to the center line of the shell (100).

7. The fruit tree grafting aid as claimed in claim 6, wherein: the clamping assembly comprises a second shaft sleeve (145) fixedly connected to the magnetic slider (141), a second clamping groove (146) is formed in the inner wall of one side, close to the magnetic slider (141), of the second shaft sleeve (145), an arc-shaped sliding rail (153) is formed in the inner wall of one side, far away from the magnetic slider (141), of the second shaft sleeve (145), a spherical block (154) is connected in the arc-shaped sliding rail (153) in a sliding mode, a third tension spring (155) is arranged between the spherical block (154) and the bottom end of the arc-shaped sliding rail (153), a trigger rod (156) driven by the push rod (134) is fixedly connected to one side, far away from the central point of the second shaft sleeve (145), of the spherical block (154), a friction belt (157) is fixedly connected to one side, close to the central point of the second shaft sleeve (145), and a clamping ring (147) stirred by the friction belt (157) is rotatably, two arc-shaped clamping plates (148) are arranged on the inner end face of the clamping ring (147), two clamping springs (149) are arranged between each arc-shaped clamping plate (148) and the inner end face of the clamping ring (147), a clamping groove (150) is formed in one side, close to the inner end face of the second shaft sleeve (145), of the clamping ring (147), a clamping block (151) matched with the second clamping groove (146) is connected in the clamping groove (150) in a sliding mode, a fifth compression spring (152) is arranged between the clamping block (151) and the bottom end of the clamping groove (150), a collecting box (116) is fixedly connected onto a telescopic rod (104) of the supporting mechanism, and an inclined plate (117) is rotatably connected onto the collecting box (116) through a torsion spring.