CN207443463U - Potato digging machine head and potato digging machine - Google Patents
Potato digging machine head and potato digging machine Download PDFInfo
- Publication number
- CN207443463U CN207443463U CN201721174846.2U CN201721174846U CN207443463U CN 207443463 U CN207443463 U CN 207443463U CN 201721174846 U CN201721174846 U CN 201721174846U CN 207443463 U CN207443463 U CN 207443463U
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- potato
- transmission parts
- digging machine
- cutter
- cutting
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Abstract
The utility model provides a kind of potato digging machine head and potato digging machine, it is related to agricultural production apparatus field, potato digging machine head is used to be installed on potato digging machine, potato digging machine head includes headstock, cutting mechanism and digging mechanism, cutting mechanism and digging mechanism may be contained within the same side of headstock, digging mechanism is located at the bottom of headstock, cutting mechanism and the movable connection of headstock, cutting mechanism includes cutting member and transmission parts, cutting member is used to cut the cauline leaf of potato, one end of transmission parts is feed end, the other end of transmission parts is discharge end, feed end is close to cutting member.Potato digging machine head is provided with cutting mechanism and digging mechanism, and digging mechanism is used to excavate beneath potato, and cutting mechanism is used to cut the potato cauline leaf of ground, and the cauline leaf of potato is transmitted to one side, separates potato and cauline leaf.Cauline leaf is avoided to cause the interim card of machine, improves production efficiency.
Description
Technical field
The utility model relates generally to agricultural production apparatus field, in particular to a kind of potato digging machine head and
Potato digging machine.
Background technology
In China or even the whole world, the plantation of potato is all very universal, in order to improve the efficiency for excavating potato, Ren Menchuan
Various potato digging machines are produced.
In the prior art, the basic principle of potato digging machine is all that potato and soil are dug out ground, and carry out potato and
The separation of soil, generally use gear drive the mode that transmission belt or driven rod are rotated and shaken to realize, but due to
It is collected while potato cauline leaf and potato, the cauline leaf for being often present with potato is largely wound on driven rod or gear, causes to set
Standby situation about being stuck, so can not only cause the reduction of service life of a machine, can equally reduce the efficiency of production.
Utility model content
The purpose of this utility model is to provide a kind of potato digging machine head and potato digging machines, obtain the problem of above-mentioned
To being effectively improved.
The utility model is realized in this way：
Based on above-mentioned purpose, the embodiment of the utility model provides a kind of potato digging machine head, for being installed on soil
Beans excavator, including headstock, cutting mechanism and digging mechanism, the cutting mechanism and the digging mechanism may be contained within institute
The same side of headstock is stated, the digging mechanism is located at the bottom of the headstock, and the cutting mechanism can with the headstock
Flexible connection, the cutting mechanism include cutting member and transmission parts, and the cutting member is used to cut the cauline leaf of potato, the transmission
One end of part is feed end, and the other end of the transmission parts is discharge end, and the feed end is close to the cutting member.
In the alternative embodiment of the utility model, the cutting member includes force piece, the first cutter and the second cutter, institute
It states the first cutter and second cutter is arranged side by side, the force piece is used to drive first cutter and second cutter
It is opposite to slide.
In the alternative embodiment of the utility model, the cutting member further includes protective cover, and the protective cover is with one
One end of the hollow structure of end opening, first cutter and second cutter is both provided with sawtooth, first cutter and
One end away from the sawtooth of second cutter is mobilizable to be embedded in the protective cover.
In the alternative embodiment of the utility model, rebound, institute are provided between the cutting member and the transmission parts
Stating rebound includes length direction and width, and the both ends of the length direction of the rebound are connected with the headstock, institute
The both ends for stating protective cover and the width of the rebound are rotatablely connected, and the rebound is additionally provided with to pull described cut
The electric pushrod that cutter member is swung, one end away from the rebound of the electric pushrod are rotatablely connected with the protective cover.
In the alternative embodiment of the utility model, the transmission parts include the first transmission parts and the second transmission parts, described
One end of first transmission parts connects close to the cutting member, the other end of first transmission parts with second transmission parts, institute
Stating the first transmission parts includes the first actuator, the first conveyer belt and at least two first rollers, and first actuator is used for
First roller is driven to rotate, first conveyer belt is sheathed on the outer surface of first roller, and first transmission
The one side away from first roller of band is configured to transmit the first driving section of potato cauline leaf.
In the alternative embodiment of the utility model, second transmission parts include the second actuator, the second conveyer belt with
And at least two second rollers, for second roller to be driven to rotate, second conveyer belt is arranged second actuator
It is configured to transmit in the one side away from second roller of the outer surface of second roller, and second conveyer belt
Second driving section of potato cauline leaf, second driving section are corresponding with first driving section.
In the alternative embodiment of the utility model, the edge of first transmission parts and second transmission parts is provided with
Rib.
In the alternative embodiment of the utility model, the transmission parts are additionally provided with guide plate, one end of the guide plate
Be connected with the headstock, the other end of the guide plate extends to the edge of the cutting member, the guide plate from it is described into
Expect that end is tilted to one end of the discharge end.
In the alternative embodiment of the utility model, the headstock includes at least two main frame bodies being arranged side by side, institute
It states main frame body and is provided with sliding slot, the cutting mechanism is provided with the sliding block to match with the sliding slot, and the sliding block is mobilizable
It is embedded in the sliding slot, the cutting mechanism is additionally provided with for the sliding block to be fixed on the fixing piece of the sliding slot.
The embodiment of the utility model additionally provides a kind of potato digging machine, is dug including excavator body and the potato
Pick machine head, the excavator body are detachably connected with the potato digging machine head.
Compared with prior art, the beneficial effects of the utility model are：
The potato digging machine head that the embodiment of the utility model provides, there is provided cutting mechanisms and digging mechanism, excavate
Mechanism is used to excavate beneath potato, and cutting mechanism is used to cut the potato cauline leaf of ground, and the cauline leaf of potato is passed to one side
It send, separates potato and cauline leaf.Cauline leaf is avoided to cause the interim card of machine, improves production efficiency.
The potato digging machine that the embodiment of the utility model provides, is mounted with above-mentioned potato digging machine head, with
On the premise of above advantages, additionally it is possible to carry out the harvesting of other crops with high/big cauline leaf, realize potato digging machine
A tractor serves several purposes.
Description of the drawings
It, below will be to required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be understood that and the following drawings illustrates only some embodiments of the utility model, therefore not
The restriction to scope is should be considered as, for those of ordinary skill in the art, without creative efforts,
It can also be obtained according to these attached drawings other relevant attached drawings.
Fig. 1 is the structure diagram for the potato digging machine head that the utility model embodiment provides；
Fig. 2 is the structure diagram of the headstock of Fig. 1；
Fig. 3 is the structure diagram of the cutting mechanism of Fig. 1；
Fig. 4 is the structure diagram of the rebound of Fig. 1.
Icon：100- potato digging machine heads；10- headstocks；11- main frame bodies；110- sliding slots；12- fixing pieces；20- is cut
Cutting mill structure；21- sliding blocks；22- cutting members；220- force pieces；The first cutters of 221-；The second cutters of 222-；223- sawtooth；23- is passed
Send part；230- feed ends；231- discharge ends；The first transmission parts of 232-；The first actuators of 2320-；The first conveyer belts of 2321-；
The first rollers of 2322-；The second transmission parts of 233-；The second actuators of 2330-；The second conveyer belts of 2331-；The second rollers of 2332-；
234- ribs；235- guide plates；24- protective covers；30- digging mechanisms；40- rebounds；41- electric pushrods.
Specific embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can configure to arrange and design with a variety of.
Therefore, requirement is not intended to limit to the detailed description of the embodiment of the utility model provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, those of ordinary skill in the art's all other embodiments obtained without creative efforts, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
, it is necessary to explanation, the orientation or position of the instructions such as term " on ", " under ", " bottom " in the description of the utility model
Put relation be based on orientation shown in the drawings or position relationship or the utility model product using when the orientation usually put
Or position relationship, be for only for ease of description the utility model and simplify description rather than instruction or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limit to the utility model
System in addition, term " first ", " second " etc. be only used for distinguish description, and it is not intended that instruction or imply relative importance.
In the description of the utility model, it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set
Put ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally
Connection；Can be mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, can above-mentioned art be understood with concrete condition
Concrete meaning of the language in the utility model.
Embodiment 1
It refer to shown in Fig. 1, the embodiment 1 of the utility model provides a kind of potato digging machine head 100, for installing
In potato digging machine, including headstock 10, cutting mechanism 20 and digging mechanism 30, cutting mechanism 20 and digging mechanism 30 are all provided with
The same side of headstock 10 is placed in, digging mechanism 30 is located at the bottom of headstock 10, and bottom here is compared with cutting mechanism
For 20, the position of digging mechanism 30 can also be closer to the bottom of headstock 10 compared with cutting mechanism 20.Cutting machine
Structure 20 and 10 movable connection of headstock.Digging mechanism 30 is used for the potato in mining clay, and cutting mechanism 20 is used for potato
Cauline leaf cut away.
It should be noted that digging mechanism 30 and the relative position relation of cutting mechanism 20 are, digging mechanism 30, which is located at, to be cut
The lower end of cutting mill structure 20 is carrying out when collecting of potato, and digging mechanism 30 and cutting mechanism 20 are advanced forward simultaneously, digging mechanism
30 and the front end of cutting mechanism 20 flush or cutting mechanism 20 is in the front end of digging mechanism 30.Cutting mechanism 20 is by ground
Potato cauline leaf on face cuts and will not enter the device for being used to remove soil on potato inside machine, and digging mechanism 30 be dug
The potato gone out only includes a small amount of cauline leaf, so that and removing the device of soil on potato will not be influenced be subject to potato cauline leaf,
So as to reduce or even avoid the situation of the machine interim card as caused by the cauline leaf of potato, the service life of machinery is added, is improved
The efficiency of production operation.
It refer to shown in Fig. 2, in the present embodiment, headstock 10 includes at least two main frame bodies 11 being arranged side by side, main
Frame body 11 is provided with sliding slot 110 or the through hole of bar shaped, and cutting mechanism 20 is provided with the sliding block to match with sliding slot 110
21, sliding block 21 is mobilizable to be embedded in sliding slot 110, mentioned here movable, is that sliding block 21 can be in sliding slot 110 either
The length direction of through hole slides, and the slip of sliding block 21 is corresponding to the variation of 20 vertical direction height of cutting mechanism, cutting mechanism 20
It is additionally provided with for sliding block 21 to be fixed on the fixing piece 12 of sliding slot 110.The effect of fixing piece 12 is can to keep cutting machine
In a certain specific position.
For the soil of different growing states different terrain in other words, the height of the cauline leaf part of various plants is likely to
It is present with difference, when harvesting, the height of cutting mechanism 20 according to on-site actual situations, can be adjusted, can be use up
Amount is more to separate cauline leaf with the crop of underground, reduces the adverse effect generated after the two mixes to harvesting.It improves
The efficiency that crops are collected.
It refer to shown in Fig. 3, cutting mechanism 20 includes cutting member 22 and transmission parts 23, and cutting member 22 is used to cut potato
Cauline leaf, one end of transmission parts 23 is feed end 230, and the other end of transmission parts 23 is discharge end 231, and feed end 230 is close to cutting
Part 22.
After cutting member 22 cuts down cauline leaf, enter from the feed end 230 of transmission parts 23, after conveying, from
The discharge end 231 of transmission parts 23 exports, it is generally the case that the plantation of potato can be distributed on the plantation position of multiple rows of protrusion, gone out
Expect that end 231 is located at the one side or both sides at plantation position, in a word, it is necessary to which cauline leaf is separated with potato, except reducing potato
Outside the pressure of Soil separation device, additionally it is possible to separately collect cauline leaf and potato, Classification Management and utilization.
In the present embodiment, cutting member 22 includes force piece 220, the first cutter 221 and the second cutter 222, the first cutter
221 and second cutter 222 be arranged side by side, force piece 220 is for driving the first cutter 221 and the second cutter 222 is opposite slides.
First cutter 221 and the interlaced movement of the second cutter 222, form it into certain dissection, in order to increase
One end of the efficiency that it is added to cut, the first cutter 221 and the second cutter 222 is all provided with being set to sawtooth 223, can be harder by some
The stem cut-out of hard crops.
In the present embodiment, cutting member 22 further includes protective cover 24, and protective cover 24 is the hollow structure with one end open,
One end of the separate sawtooth 223 of first cutter 221 and the second cutter 222 is mobilizable to be embedded in protective cover 24.
Protective cover 24 can play the role of protecting the first cutter 221 and the second cutter 222, the inner space of protective cover 24
Length and width it is all bigger than the length and width of the first cutter 221 and the second cutter 222, and the first cutter 221 and second
Cutter 222 can do mutual intersection in protective cover 24 and slide.
In the present embodiment, transmission parts 23 include the first transmission parts 232 and the second transmission parts 233, can also be by transmission parts
23 are arranged to the shape with bending, enable transmission parts 23 that cauline leaf to be sent to the one side at plantation position, then it is orderly
Transmit ground.
One end of first transmission parts 232 is close to cutting member 22, that is, one end of the first transmission parts 232 and 22 phase of cutting member
It is mutually correspondingly arranged, the first transmission parts 232 draw close cutting member 22, but the two does not contact between each other, and the first transmission parts 232 can
Transmit the cauline leaf from cutting member 22.The other end of first transmission parts 232 connects with the second transmission parts 233, similarly the first transmission
The opposite setting of 232 and second transmission parts 233 of part, makes the second transmission parts 233 can be transmitted the stem from the first transmission parts 232
Leaf.
First transmission parts 232 include the first actuator 2320, the first conveyer belt 2321 and at least two first rollers
2322, the first actuator 2320 rotates for the first roller 2322 of driving.
Here the first roller 2322 can also be driven using external motive device, it is only necessary in the first roller
Transmission gear on 2322 is set, is then connected transmission gear with external motive device.First conveyer belt 2321 is sheathed on first
The outer surface of roller 2322 when first roller 2322 rotates, drives the first conveyer belt 2321 to be rotated, the first conveyer belt
2321 one side away from the first roller 2322 is configured to transmit the first driving section of potato cauline leaf.
In the present embodiment, the second transmission parts 233 include the second actuator 2330, the second conveyer belt 2331 and at least two
A second roller 2332, for the second actuator 2330 for the second roller 2332 to be driven to rotate, the second conveyer belt 2331 is sheathed on the
The outer surface of two rollers 2332, and the one side away from the second roller 2332 of the second conveyer belt 2331 is configured to transmit potato
Second driving section of cauline leaf, the second driving section are corresponding with the first driving section.
The principle of second driving member and the first transmission parts 232 is essentially identical, when setting, the biography of the first transmission parts 232
Sending direction is transmitted from centre to one side or both sides, the position pair of the submitting cauline leaf of the second driving member and the first transmission parts 232
It should set, specifically, the second transmission parts 233 and the second transmission parts 233 have angle between being mutually perpendicular to, or both, make stem
Leaf can be sent to ground according to a certain direction, convenient that finally cauline leaf is collected.
In the present embodiment, the edge of the first transmission parts 232 and the second transmission parts 233 is provided with rib 234.Rib 234
For thin-slab structure, the effect of rib 234 is to block the cauline leaf on the first transmission parts 232 and the second transmission parts 233, make its according to
Default direction movement, avoids cauline leaf from dropping from the edge of the first transmission parts 232 and the second transmission parts 233, influences to collect.
In the present embodiment, transmission parts 23 are additionally provided with guide plate 235, and one end of guide plate 235 is connected with headstock 10,
The other end of guide plate 235 extends to the edge of cutting member 22, which is both that cutting member 22 connects with the first transmission parts 232
The edge of the one side opposite with 232 direction of transfer of the first transmission parts of edge and cutting member 22.Guide plate 235 is from feed end
230 tilt to one end of discharge end 231.
Guide plate 235 plays important effect, the setting of guide plate 235, forms the inside of potato digging machine
Barrier avoids the cauline leaf cut down from entering the inside of potato digging machine.When in use, the cauline leaf cut down is along leading
It is transmitted to the inclined direction of plate 235 by the one side at the first transmission parts 232 to plantation position, guide plate 235 plays one to cauline leaf
The effect being oriented to.
Specifically, guide plate 235 can set camber, that is, from the direction of cutting member 22 towards the first transmission parts
The 232 concave arc in direction, guide plate 235 set camber, can increase the saturation of cauline leaf, so as to improve the biography of cauline leaf
Throughput rate.
It refer to shown in Fig. 4, in the present embodiment, rebound 40, transition be provided between cutting member 22 and transmission parts 23
Plate 40 includes length direction and width, and the both ends of the length direction of rebound 40 are connected with headstock 10, protective cover 24 and
The both ends rotation connection of the width of rebound 40, rebound 40 are additionally provided with to pull electronic the pushing away of the swing of cutting member 22
Bar 41, one end and the protective cover 24 of the separate rebound 40 of electric pushrod 41 are rotatablely connected.
It should be noted that rebound 40 is arranged between cutting member 22 and transmission parts 23, rebound 40 is as stem
The device of leaf transition can prevent cauline leaf to be stuck between cutting member 22 and transmission parts 23, and rebound 40 passes through electric pushrod 41
It is flexibly connected with cutting member 22, electric pushrod 41 can promote cutting member 22 to carry out the swing in the range of certain angle, make cutting
Part 22 has better conforming to property, the angle between cutting member 22 and crop is adjusted when use, when the best results of cutting
When, it is kept fixed, its efficiency cut can be made to reach optimal.
Embodiment 2
The embodiment 2 of the utility model provides a kind of potato digging machine, includes the potato digging machine of excavator body sum
Head 100, excavator body are detachably connected with potato digging machine head 100.
Potato digging machine is mounted with above-mentioned potato digging machine head 100, has the advantages that above-mentioned all premises
Under, additionally it is possible to the harvesting of other crops with high/big cauline leaf is carried out, realizes a tractor serves several purposes of potato digging machine.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modifications, equivalent replacements and improvements are made should be included within the scope of protection of this utility model.It should be noted that
It arrives：Similar label and letter represents similar terms in following attached drawing, therefore, once determined in a certain Xiang Yi attached drawing
Justice further need not then be defined and explained to it in subsequent attached drawing.
The above is only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, in the technical scope that any one skilled in the art discloses in the utility model, variation can be readily occurred in
Or replace, it should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be described with power
Subject to the protection domain of profit requirement.
Claims (10)
1. a kind of potato digging machine head, for being installed on potato digging machine, which is characterized in that including headstock, cutting mechanism
And digging mechanism, the cutting mechanism and the digging mechanism may be contained within the same side of the headstock, the excavator
Structure is located at the bottom of the headstock, the cutting mechanism and the movable connection of the headstock, and the cutting mechanism includes cutting
Cutter member and transmission parts, the cutting member are used to cutting the cauline leaf of potato, and one end of the transmission parts is feed end, the transmission parts
The other end for discharge end, the feed end is close to the cutting member.
2. potato digging machine head according to claim 1, which is characterized in that the cutting member includes force piece, first
Cutter and the second cutter, first cutter and second cutter are arranged side by side, and the force piece is used to drive described first
Cutter and the opposite slip of second cutter.
3. potato digging machine head according to claim 2, which is characterized in that the cutting member further includes protective cover, institute
Protective cover is stated as the hollow structure with one end open, one end of first cutter and second cutter is both provided with saw
One end away from the sawtooth of tooth, first cutter and second cutter is mobilizable to be embedded in the protective cover.
4. potato digging machine head according to claim 3, which is characterized in that between the cutting member and the transmission parts
Rebound is provided with, the rebound includes length direction and width, the both ends of the length direction of the rebound and institute
Headstock connection is stated, the both ends of the protective cover and the width of the rebound are rotatablely connected, and the rebound is also set up
The electric pushrod that the cutting member is pulled to swing is useful for, one end away from the rebound of the electric pushrod is prevented with described
Shield is rotatablely connected.
5. potato digging machine head according to claim 1, which is characterized in that the transmission parts include the first transmission parts and
Second transmission parts, one end of first transmission parts is close to the cutting member, the other end of first transmission parts and described the
Two transmission parts connect, and first transmission parts include the first actuator, the first conveyer belt and at least two first rollers, described
For first actuator for first roller to be driven to rotate, first conveyer belt is sheathed on the outer surface of first roller,
And the one side away from first roller of first conveyer belt is configured to transmit the first driving section of potato cauline leaf.
6. potato digging machine head according to claim 5, which is characterized in that second transmission parts include the second driving
Part, the second conveyer belt and at least two second rollers, second actuator are described for second roller to be driven to rotate
Second conveyer belt is sheathed on the outer surface of second roller, and the one side away from second roller of second conveyer belt
It is configured to transmit the second driving section of potato cauline leaf, second driving section is corresponding with first driving section.
7. potato digging machine head according to claim 5 or 6, which is characterized in that first transmission parts and described
The edge of two transmission parts is provided with rib.
8. potato digging machine head according to claim 1, which is characterized in that the transmission parts are additionally provided with guide plate,
One end of the guide plate is connected with the headstock, and the other end of the guide plate extends to the edge of the cutting member, institute
Guide plate is stated to tilt from the feed end to one end of the discharge end.
9. potato digging machine head according to claim 1, which is characterized in that the headstock includes at least two side by side
The main frame body of setting, the main frame body are provided with sliding slot, and the cutting mechanism is provided with the sliding block to match with the sliding slot, institute
State that sliding block is mobilizable to be embedded in the sliding slot, the cutting mechanism is additionally provided with the sliding block being fixed on the cunning
The fixing piece of slot.
10. a kind of potato digging machine, which is characterized in that including excavator body and soil described in any one of claim 1-9
Beans excavator head, the excavator body are detachably connected with the potato digging machine head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721174846.2U CN207443463U (en) | 2017-09-13 | 2017-09-13 | Potato digging machine head and potato digging machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721174846.2U CN207443463U (en) | 2017-09-13 | 2017-09-13 | Potato digging machine head and potato digging machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207443463U true CN207443463U (en) | 2018-06-05 |
Family
ID=62283080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721174846.2U Expired - Fee Related CN207443463U (en) | 2017-09-13 | 2017-09-13 | Potato digging machine head and potato digging machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207443463U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112473900A (en) * | 2020-11-19 | 2021-03-12 | 东台红日电子有限公司 | Blade mechanism of arc knife type mulberry leaf cutting machine |
-
2017
- 2017-09-13 CN CN201721174846.2U patent/CN207443463U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112473900A (en) * | 2020-11-19 | 2021-03-12 | 东台红日电子有限公司 | Blade mechanism of arc knife type mulberry leaf cutting machine |
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Granted publication date: 20180605 Termination date: 20180913 |