AU2021104331A4

AU2021104331A4 - Simultaneous wedge cutting device for grafting multiple scions on vegetable plug seedlings

Info

Publication number: AU2021104331A4
Application number: AU2021104331A
Authority: AU
Inventors: Jun KUANG; Jiasheng Wang
Original assignee: Qingdao Agricultural University
Current assignee: Qingdao Agricultural University
Priority date: 2021-07-20
Filing date: 2021-07-20
Publication date: 2021-08-26
Anticipated expiration: 2029-07-20

Abstract

The present invention discloses a vegetable plug seedling grafting multiple scions synchronous wedge cutting device, relating to the field of agricultural machinery, including a connecting frame; a first power device is set on the connecting frame; reciprocal movement of each pair of scion guide rods under the action of the first power device; the second power device is set on the connecting frame, the second power device is connected to each pair of scion guide rods for the clamping and release of each pair of scion guide rods on the seedlings. Each pair of seedling-supporting fingers corresponds to each pair of scion guide rods, and the seedling-supporting fingers are connected to the third power device for supporting seedlings; the cutting knife is connected to the fourth power device. The pad is set on the opposite side of the cutting knife, and the cutting knife realizes the cutting of seedlings under the action of the pad. The beneficial effect of the invention is that the grafting machine can be realized multi way scion synchronous cutting, effectively solve the problem of grafting efficiency is not high; the use of V-shaped wedge cutting method for the scion, and the rootstock splitting method used in pairs, effectively improve the survival rate of grafting. 1/5 FIGURES 1 52 6 5 51 SeedlFng Figure I

Description

1/5 FIGURES

1 52 6 5 51

SeedlFng

Figure I

Simultaneous wedge cutting device for grafting multiple scions on vegetable

plug seedlings

TECHNICAL FIELD

The present invention relates to the field of agricultural machinery, specifically to

a vegetable grafting machine multi-way scion synchronization cutting device.

BACKGROUND

With the increase in the number of people in China, the demand for vegetables has

also increased dramatically. And an important technology to increase the production of

vegetables is grafting cultivation technology, which can effectively enhance the disease

resistance and low temperature tolerance of the plant. Expand and enhance the range

and capacity of plant roots to absorb nutrients, thereby increasing the yield of

agricultural vegetables. The traditional manual grafting cultivation technology has

serious problems such as high labor, low grafting survival rate and low grafting

efficiency, so there is a need for the development of an all-in-one grafting device that

can automate. Vegetable grafting machine at home and abroad to the spike of seedlings

mostly using single cutting, grafting efficiency is low, it can not meet the needs of

farmers. At the same time, vegetable grafting machine on the rootstock, scion cutting

mostly using the paste method and needle method, simple operation but the survival

rate is not as high as the cleavage method, so how to improve the efficiency of

vegetable grafting machine grafting and seedling survival rate is a key technology.

SUMMARY

The invention is aimed at the problem of low survival rate of scion cutting method

in grafting machine, proposed a grafting machine multi-way scion synchronous cutting

device to solve the problem of low efficiency and low survival rate of automatic

grafting machine, and designed a simultaneous wedge cutting device for grafting

multiple scions on vegetable plug seedlings.

In order to achieve the above purpose, the technical solution of the present

invention is a synchronized wedge cutting device for grafting multiple scions on

vegetable plug seedlings, comprising a connecting frame, further comprising: a first

power device, the first power device being set on the connecting frame. At least one

pair of scion guide rods, each pair of the scion guide rods being reciprocally moved

under the action of the first power device. A second power device, the second power

device being provided on the connecting frame, the second power device being

connected to each pair of the scion guide bars for the clamping and releasing of

seedlings by each pair of the scion guide bars, a third power device, the third power

device being provided on the connecting frame; at least one pair of seedling-supporting

fingers, each pair of the seedling-supporting fingers corresponding to each pair of scion

guiding rods, the seedling-supporting fingers being connected to the third power device

for supporting the seedlings, a fourth power device, the fourth power device being

provided on the connecting frame; a cutter, the cutter being connected to the fourth

power device; and a pad, the pad being provided on an opposite side of the cutter, the

cutter realizing the cutting of seedlings under the action with the pad.

Further, the first power device is a telescopic cylinder, the telescopic end of the

first power device is provided with a first push plate, the first push plate having a first

connection plate fixedly attached to the bottom end of the first push plate. The sliding

plate is set in the groove at the bottom of the first connecting plate, the front end of the

sliding plate is fixed with a pusher, the pusher is slidingly set in the splice guide bar,

and the pad is set at the end of the pusher.

Further, there are six pairs of the scion guide rods.

Further, the second power device includes a pair of one-way cylinders set opposite

each other, each the one-way cylinder is provided with a second push plate at the

telescopic end, the second push plate is provided with a second moving plate at the

bottom end, and the scion guide rod is connected to the second moving plate by means

of a second fixed plate.

Further, the second power device is a bi-directional telescopic cylinder, the

bi-directional telescopic cylinder is provided with a second push plate at each

bottom end, the scion guide rod is connected to the second moving plate by means of a

second fixed plate.

Further, the third power device is a telescopic cylinder, the third power device is

provided with a third push plate at the telescopic end, the third push plate is fixed with a

pair of supporting cylinders set opposite to each other. The support cylinder is provided

with a third fixing plate at the telescopic end, and the seedling support finger is set on

the third fixing plate.

Further, the fourth power device is a pusher cylinder, the fourth power device is

provided with a fourth push plate at the telescopic end, the fourth push plate is

connected to the fourth connection plate at the bottom end, the fourth connecting plate

is equipped with a slider mechanism, the slider mechanism is provided with a fourth

fixing plate on the lower surface, the lower surface of the fourth fixed plate fixed

installation knife holder, the cutting knife is set on the knife frame.

Further, the working knife opening of the cutting knife is V-shaped.

Further, the pad is provided with a flexible adhesive on the working surface.

The beneficial effect of the invention is that: the grafting machine can achieve

multiple simultaneous cutting of the scion, effectively solving the problem of low

grafting efficiency; The V-wedge cutting method is used for the grafting spike, which is

used in pairs with the splitting method of the rootstock, effectively improving the

survival rate of grafting.

BRIEF DESCRIPTION OF THE FIGURES

Figure 1 is a schematic diagram of the structure for the cutting device of the

present application.

Figure 2 is a schematic diagram of part of the structure of Figure 1 of the present

application.

Figure 3 is a schematic diagram for cutting the seedlings of the present

application.

Figure 4 is a schematic diagram of the structure for the second power device of the

present application.

Figure 5 is a schematic diagram of the right-view structure of Figure 4.

Figure 6 is a schematic diagram of the structure for the third power device of the

present application.

Figure 7 is a schematic diagram of part of the structure of Figure 2.

Figure 8 is a schematic diagram of the structure of the knife frame and cutting

knife of the present application.

Figure 9 is a structure schematic diagram of the seedlings and cavity trays of the

present application.

Figure 10 is a cutting schematic of the seedlings of the present application.

In each of the above figures,

1, Connecting frame;

2, first power device; 21, first push plate; 22, first connecting plate; 23, slide plate;

24, push rod.

3, scion guide rod

4, second power device; 41, second push plate; 42, second moving plate; 43,

second fixed plate.

5, third power device; 51, third push plate; 52, supporting cylinder; 53, third fixed

plate.

6, feeding support finger.

7, a fourth power unit; 71, a fourth push plate; 72, a fourth connecting plate; 73, a

slider mechanism; 74, a fourth fixed plate; 75, a knife frame.

8, cutting knife; 9, pad.

DESCRIPTION OF THE INVENTION

In order to further elaborate the technical means and efficacy adopted by the

present invention to achieve the intended inventive purpose, the specific embodiments,

structures, features and their efficacy according to the present invention are described

in detail below, in conjunction with the accompanying figures and preferred

embodiments, as follows:

A cavity seedling grafting multiple scion synchronous wedge cutting device, as

shown in Figures I to 10, includes a connecting frame 1, a first power device 2, at least

one pair of scion guide bar 3, a second power device 4, a third power device 5, at least

one pair of seedling support fingers 6, a fourth power device 7, a cutting knife 8, and a

pad 9.

The first power device 2 is set on the connecting frame 1, and each pair of splice

guide rods 3 moves reciprocally under the action of the first power device 2. For

example, as shown in figures 1, 2 and 3, the first power device 2 is a telescopic cylinder,

the telescopic end of the first power device 2 is vertically connected to the first push

plate 21, and the bottom end of the first push plate 21 is fixedly connected to the first

connection plate 22; The sliding plate 23 is set in the groove at the bottom of the first

connecting plate 22, the front end of the sliding plate 23 is fixed with the push rod 24,

the push rod 24 is slidingly set in the splice guide bar 3, and the pad 9 is set at the end of

the push rod 24. When the splice guide bar 3 moves, the slide plate 23 slides inside the

groove at the bottom of the first connection plate 22. When the first power device 2

moves, the push rod 24 slides inside the splice guide rod 3. In the figure, the scion guide rod 3 has six pairs, which means that a single operation can be completed in six groups, greatly improving the cutting efficiency.

The second power device 4 is set on the connecting frame 1, and the second power

device 4 is connected to each pair of scion guide rods 3 for clamping and releasing the

seedlings by each pair of scion guide rods 3. For example, as shown in Figures 2, 4 and

, the second power device 4 is a bi-directional telescopic cylinder, each telescopic end

of the bi-directional telescopic cylinder is vertically mounted with a second push plate

41, the bottom end of the second push plate 41 is provided with a second moving plate

42, and the splice guide rod 3 is connected to the second moving plate 42 through a

second fixed plate 43. When the second power device 4 moves, the distance between

each pair of splice guide rods 3 increases or decreases in order to clamp or release the

bottom end of the seedling. Here, the second power device 4 is vertical to the force

exerted by the first power device 2. Alternatively, the second power device 4 includes a

pair of one-way cylinders set opposite each other, each one-way cylinder is provided

with a second push plate 41 at the telescopic end, and a second moving plate 42 at the

bottom end of the second push plate 41, and the scion guide rod 3 is connected to the

second moving plate 42 through a second fixed plate 43.

The third power device 5 is set on the connecting frame 1. Each pair of

seedling-supporting fingers 6 corresponds to each pair of scion guiding rods 3, and the

seedling-supporting fingers 6 are connected to the third power device 5 for supporting

the seedlings. For example, as shown in Figures 1 and 6, the third power device 5 is a

telescopic cylinder, and the telescopic end of the third power device 5 is provided with a third push plate 51, the third pushing plate 51 is fixed with a pair of supporting cylinders 52, and the telescopic end of the supporting cylinders 52 is provided with a third fixing plate 53, and the supporting fingers 6 are set on the third fixing plate 53.

Under the action of the third power device 5 and the supporting cylinder 52, the

seedling-holding finger 6 can support the stem of the seedling and above, and can play

the role of cutting into wedge-shaped seedlings to remove.

The fourth power device 7 is provided on the connection frame 1. The cutting

knife 8 is connected to the fourth power device 7. The pad 9 is set on the opposite side

of the cutting knife 8, and the cutting knife 8 realizes the cutting of seedlings under the

action with the pad 9. For example, as shown in Figures 2, 7 and 8, the fourth power

device 7 is a telescopic cylinder, the telescopic end of the fourth power device 7 is

provided with a fourth push plate 71, and the bottom end of the fourth push plate 71 is

connected to a fourth connection plate 72, the fourth connecting plate 72 is equipped

with a slider mechanism 73, and the lower surface of the slider mechanism 73 is

provided with a fourth fixed plate 74, and the lower surface of the fourth fixed plate 74

is fixed with a knife frame 75, and the cutting knife 8 is set on the knife frame 75. When

the fourth power device 7 moves, the cutting knife 8 cuts off the seedlings. Here, the

working blade of the cutting knife 8 is set in a V-shape. The working surface of the pad

9 is provided with a flexible adhesive.

The working principle of the invention is as follows: in the working state, the scion

guide bar 3 is in the open state, the seedlings in the cavity tray are transported to the

middle position of the scion guide bar 3 using the conveyor belt, and the second power device 4 moves, the distance between each pair of splice guide rods 3 decreases, clamping at the bottom end of the seedling; the first power device 2 moves, the pad 9 at the front of the push rod 24 moves backwards, and the pad 9 reaches the position where the seedling is clamped, so that the flexible rubber pad is behind the seedlings, the flexible rubber pad can effectively ensure the damage of the seedlings; the fourth power device 7 movement, as shown in Figure 3, a plurality of cutting knives 8 will quickly cut the seedlings forward, the working surface of the V-shaped cutter 13 is the front surface, so that a horizontal row of multiple seedlings in the cavity tray are cut into wedges at the same time, and Figure 10 shows the seedlings.

The present invention has been described above with reference to preferred

embodiments, but the scope of protection of the present invention is not limited to this,

which may be variously improved without departing from the scope of the present

invention, and in which the components may be replaced by their equivalents. As long

as there is no structural conflict, the various technical features mentioned in the various

embodiments can be combined in any way, and any accompanying markings in the

claims should not be regarded as limitations on the claims involved, and the

embodiments should be regarded as exemplary and non-limiting from either point of

view. Therefore, all technical solutions that fall within the scope of the claims are

within the scope of protection in the present invention.

Claims

THE CLAIMS DEFINING THE INVENTION ARE AS FOLLOWS:

1 . A synchronized wedge cutting device for grafting multiple scions to cavity

seedlings, comprising a connecting frame (1) , characterized in that it further

comprises:

first power device (2), the first power device (2) being provided on the connecting

frame (1);

at least one pair of scion guide bars (3), each pair of the scion guide bars (3) being

reciprocally moved under the action of the first power device (2);

second power device (4) , the second power device (4) being provided on the

connecting frame (1), the second power device (4) being connected to each pair of the

scion guide rods (3) for clamping and releasing the seedlings by each pair of the scion

guide rods (3);

a third power device (5), the third power device (5) being provided on the

connecting frame (1);

at least one pair of seedling support fingers (6), each pair of the seedling support

fingers (6) corresponding to each pair of scion guide bars (3), the seedling support

fingers 6 being connected to the third power device (5) for supporting the seedlings;

a fourth power device (7), the fourth power device (7) being provided on the

connecting frame (1);

cutting knife (8) , the cutting knife (8) being connected to the fourth power device

(7); and a pad (9), the pad (9) being provided on the opposite side of the cutter (8), the cutter (8) realizing the cutting of the seedlings under the action with the pad (9).
2. The simultaneous wedge cutting device for grafting multiple scions on cavity

seedlings according to claim 1, characterized in that the first power device (2) is a

telescopic cylinder, the first power unit (2) is provided with a first push plate (21) at the

telescopic end, the first push plate (21) is fixedly connected to the first connecting plate

(22) at the bottom end; sliding plate (23) is provided in the slot at the bottom of the first

connection plate (22), the sliding plate (23) is fixed with a push rod (24) at the front

end, the push rod (24) is slidingly set inside the splice guide bar (3), the pad (9) is set at

the end of the push rod (24).
3. The simultaneous wedge cutting device for grafting multiple scions to cavity

seedlings according to claim 1, characterized in that the scion guide bar (3) has six

pairs.
4. The synchronized wedge cutting device for grafting multiple scions on cavity

seedlings according to claim 1, characterized in that the second power device (4)

comprises a pair of unidirectional cylinders set opposite to each other, a second push

plate (41) is provided at the telescopic end of each the one-way cylinder(41) , the

second push plate (41) is provided with a second moving plate (42) at the bottom end,

the scion guide bar (3) being connected to the second moving plate (42) by means of a

second fixing plate (43).
5. The simultaneous wedge cutting device for grafting multiple scions on cavity

seedlings according to claim 1, characterized in that the second power device (4) is a bi-directional telescopic cylinder, the bi-directional telescopic cylinder is provided with a second push plate (41) at each telescopic end, the second push plate (41) is provided with a second moving plate (42) at the bottom end, the scion guide rod (3) is connected to the second moving plate (42) by means of a second fixed plate (43).
6. The simultaneous wedge cutting device for grafting multiple scions on cavity

seedlings according to claim 1, characterized in that the third power device (5) is a

telescopic cylinder, the third power device (5) is provided with a third push plate (51) at

the telescopic end, and the third push plate (51) is fixed with a pair of supporting

cylinders (52) set opposite to each other, the supporting cylinder (52) is provided with a

third fixing plate (53) at the telescopic end, and the supporting seedling finger (6) is set

on the third fixing plate (53).
7. The simultaneous wedge cutting device for grafting multiple scions on cavity

seedlings according to claim 1, characterized in that the fourth power device (7) is a

telescopic cylinder, the fourth power device (7) is provided with a fourth pushing plate

(71) at the telescopic end, the fourth pushing plate (71) being connected to a fourth

connecting plate (72) at the bottom end, the fourth connecting plate (72) is provided

with a slider mechanism (73), the slider mechanism (73) is provided with a fourth

fixing plate (74) on the lower surface, the lower surface of the fourth fixing plate (74) is

fixedly mounted with a knife frame(75).
8. Simultaneous wedge cutting device for grafting multiple scions on cavity

seedlings according to claim 1, characterized in that the cutting knife (8) has a

V-shaped working blade.
9. Simultaneous wedge cutting device for grafting multiple scions on cavity

seedlings according to claim 1, characterized in that the working surface of the pad (9)

is provided with a flexible adhesive.

FIGURES 1/5

Figure 1