CN108781668A - A kind of entire row top seedling device based on snail cam mechanism - Google Patents
A kind of entire row top seedling device based on snail cam mechanism Download PDFInfo
- Publication number
- CN108781668A CN108781668A CN201811021785.5A CN201811021785A CN108781668A CN 108781668 A CN108781668 A CN 108781668A CN 201811021785 A CN201811021785 A CN 201811021785A CN 108781668 A CN108781668 A CN 108781668A
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- seedling
- bridge
- snail cam
- top seedling
- baffle
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- 241000237858 Gastropoda Species 0.000 title claims abstract description 40
- 230000007246 mechanism Effects 0.000 title claims abstract description 9
- 241000239290 Araneae Species 0.000 claims abstract description 10
- 230000009471 action Effects 0.000 claims abstract description 5
- 230000008878 coupling Effects 0.000 claims abstract description 5
- 238000010168 coupling process Methods 0.000 claims abstract description 5
- 238000005859 coupling reaction Methods 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 claims description 4
- 230000001133 acceleration Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000007596 consolidation process Methods 0.000 claims 1
- 239000011159 matrix material Substances 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 abstract description 3
- 238000005299 abrasion Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005266 casting Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002054 transplantation Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000012258 culturing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C11/00—Transplanting machines
- A01C11/02—Transplanting machines for seedlings
- A01C11/025—Transplanting machines using seedling trays; Devices for removing the seedlings from the trays
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Transplanting Machines (AREA)
Abstract
The invention discloses a kind of entire row top seedling device based on snail cam mechanism.Current existing Plug seedling seedling taking device is mainly seedling needle pull-out seedling taking, is easy to damage seedlings root, stalk and matrix structure, seedling is made to need certain growth recovery phase.The present invention includes motor, L-square, snail cam, bearing spider component and top seedling bar assembly, power is passed through shaft coupling input cam axis by motor, bearing spider modular support cam axle, camshaft actuated snail cam, which enters actuating travel section, makes top seedling bar assembly top seedling, the resetting spring on the seedling bridge of top is compressed simultaneously, snail cam enters reverse-running section after the seedling of top, resetting spring restores former long, seedling bridge is pushed up under the action of resetting spring along the rapid return of sliding slot, top seedling bar is driven to exit hole tray small hole at bottom part.The present invention uses entire row top seedling mode, substantially increases transplanting efficiency, and snail cam mechanism is simple in structure, reliable operation, seedling of getting a bit thin on top between top seedling bar assembly can be made to realize.
Description
Technical field
The invention belongs to mechanization of agriculture research fields, are related to a kind of entire row top seedling device based on snail cam mechanism.
Background technology
Plug seedling transplantation technique is a modern agriculture well stimulation, and culturing and transplanting seedlings are avoided that crop by cold spell in later spring, morning
The influence of the harsh weather such as spring low temperature ensures that seedling is complete, neat, even, strong, shortens field production period, seedling percent improved, to carrying
High crop yield per unit area, development high-yield and high-efficiency agricultural are of great significance.
Current existing Plug seedling seedling taking device is mainly that seedling needle is inserted into plug media or the extraction of Plug seedling stalk is clamped
Formula seedling taking is easy to damage seedlings root, stalk and matrix structure, and seedling is made to need certain growth recovery phase.
Invention content
To solve the problems, such as one or more in the prior art, the purpose of the present invention is to provide one kind being based on snail cam
The entire row top seedling device of mechanism leads completion conveying of the Plug seedling to planting apparatus of seedling pipe to coordinate.
The present invention includes motor, L-square, snail cam, bearing spider component and top seedling bar assembly.
The L-square is welded in transplant machine rack, is connected to the motor using bolt, and the fixation of motor, motor are used for
Power output shaft is connected by shaft coupling with camshaft.
The bearing spider component includes bearing block, fixed plate, camshaft, flat key, deep groove ball bearing and axle sleeve,
In, the bearing block is casting square base, the fixed plate side wall perpendicular with camshaft rotation axis is mounted on, using four
Bolt is fixed；The fixed plate is welded in transplant machine rack, for installing bearing mounting assembly；The camshaft both ends
For multi-diameter shaft, it is machined with keyway, for installing snail cam, is axially positioned using the shaft shoulder and axle sleeve with snail cam, is circumferentially adopted
It is positioned with flat key；The axle sleeve hardness is relatively low, wearability is preferable, is gap-matched with camshaft, it is possible to reduce camshaft
Abrasion；The deep groove ball bearing is mounted in bearing block, and located lateral is carried out using bearing block and axle sleeve.
The snail cam has the mechanical component for being different from circle and having snail shell curved profile for one, makees
Rotary motion is changed into reciprocating motion by constant speed rotary motion.
The top seedling bar assembly includes top seedling bar, top seedling bridge, sliding slot, baffle, resetting spring, baffle connector, machine
Frame connector, thin axis and small bearing, wherein the top seedling bar is arranged symmetrically on the seedling bridge of top, is consolidated with top seedling bridge,
Installation end is equipped with the shaft shoulder, for installing resetting spring；The top seedling bridge both ends are machined with guide rail, are mounted on both ends sliding slot
It is interior, do linear reciprocating motion along sliding slot；The sliding slot is bolted on barrel coupler, rises and is oriented to and supports
The effect of seedling bridge is pushed up, top seedling bridge is trapezoidal with sliding slot contact position, has the compactness of height, kinematic accuracy higher；It is described
Baffle be connected with baffle connector by bolt, surface is machined with entire row aperture, the guiding for pushing up seedling bar；The reset
Spring is mounted between baffle and top seedling bridge, and baffle is fixed when pushing up seedling, and top seedling bridge drives top seedling bar top seedling, resets bullet
Spring stores power, seedling bridge is pushed up after pushing up seedling, top seedling bar is driven to exit cave seed plate cavities under the action of resetting spring；The gear
Plate connector one end is connected by screw bolts with barrel coupler, and the other end is connected by screw bolts with baffle, is used for fixed baffle position
It sets；The barrel coupler is bolted to be connected with transplant machine rack, the fixation for pushing up seedling bar assembly；Described is thin
Axis is left and right symmetrically arranged on the seedling bridge of top, and for installing small bearing, one end uses shaft shoulder axially position, the other end to be machined with spiral shell
Line carries out axial restraint using nut；The small bearing inner race is with thin axis using interference fit, outer ring and snail cam contour
Face contacts, and small bearing can reduce the abrasion of parts in surface scrolls when snail cam moves.
The actuating travel section of the snail cam uses quintic algebra curve characteristics of motion, reverse-running section to be moved using sinusoidal acceleration
Rule.
Entire row top seedling device according to the present invention when hole tray transplantation of seedlings, first passes through top seedling bar and breaks seedling matrix with hole tray
Knot ejection hole tray, recycling lead seedling pipe and import Plug seedling in planting apparatus, achieve the effect that low damage transplanting.With it is previous direct
With seedling needle be inserted into seedling medium in gripping seedling compare, this method largely avoid damage to seedling stalk, root system with
And the problems such as matrix structure, seedling is shortened in the recovery period in field, while also improving the efficiency of transplanting.
Other than objects, features and advantages described above, the present invention also has other objects, features and advantages.
Below with reference to figure, the present invention is described in further detail.
Description of the drawings
Fig. 1 is the overall structure axonometric drawing of the present invention.
Fig. 2 is the structural schematic diagram of bearing spider component of the present invention.
Fig. 3 is the structural schematic diagram of present invention top seedling bar assembly.
Fig. 4 is the structural perspective of snail cam of the present invention.
Fig. 5 is present invention top seedling bridge and sliding slot assembling schematic diagram.
As shown in the figure：1, motor, 2, L-square, 3, shaft coupling, 4, barrel coupler, 5, sliding slot, 6, resetting spring, 7, top
Seedling bar, 8, top seedling bridge, 9, baffle, 10, baffle connector, 11, thin axis, 12, small bearing, 13, bearing block, 14, fixed plate,
15, snail cam, 16, camshaft, 17, deep groove ball bearing, 18, axle sleeve, 19, flat key.
Specific implementation mode
The invention will be further described with reference to the accompanying drawings and embodiments.
As shown in Figure 1, a kind of entire row top seedling device based on snail cam mechanism, including motor 1, L-square 2, snail are convex
Power is passed through 3 input cam axis 16 of shaft coupling, bearing spider component by wheel 15, bearing spider component and top seedling bar assembly, motor 1
Supporting cam wheel axis 16 rotates, and camshaft 16 drives snail cam 15 to make top seedling bar assembly top seedling into actuating travel section, is mounted on simultaneously
Resetting spring 6 on top seedling bridge 8 is compressed, and snail cam 15 enters reverse-running section after pushing up seedling, and resetting spring 6 restores former
Long, top seedling bridge 8, along 5 rapid return of sliding slot, drives top seedling bar 7 to exit hole tray small hole at bottom part under the action of resetting spring 6.
As shown in Fig. 2, bearing spider component includes bearing block 13, fixed plate 14, camshaft 16, flat key 19, deep-groove ball axis
Hold 17 and axle sleeve 18, wherein bearing block 13 is casting square base, is mounted on the fixation perpendicular with 16 rotation axis of camshaft
14 side wall of plate is fixed using four bolts；Fixed plate 14 is welded in transplant machine rack, for installing bearing mounting assembly；It is convex
16 both ends of wheel shaft are multi-diameter shaft, are machined with keyway, axial using the shaft shoulder and axis with snail cam 15 for installing snail cam 15
18 positioning of set, it is circumferential to be positioned using flat key 19；18 hardness of axle sleeve is relatively low, wearability is preferable, is gap-matched with camshaft 16,
The abrasion of camshaft 16 can be reduced；Deep groove ball bearing 17 is mounted in bearing block 13, is carried out using bearing block 13 and axle sleeve 18
Located lateral.
As shown in figure 3, top seedling bar assembly includes top seedling bar 7, top seedling bridge 8, sliding slot 5, baffle 9, resetting spring 6, baffle
Connector 10, barrel coupler 4, thin axis 11 and small bearing 12, wherein top seedling bar 7 is arranged symmetrically on top seedling bridge 8, with
It pushes up seedling bridge 8 to consolidate, installation end is equipped with the shaft shoulder, for installing resetting spring 6；Seedling bridge 8 both ends in top are machined with guide rail, are mounted on
In both ends sliding slot 5, linear reciprocating motion is done along sliding slot 5；Sliding slot 5 is bolted on barrel coupler 4, rises and is oriented to
With the effect of branch support seedling bridge 8, top seedling bridge 8 is trapezoidal, the compactness with height, kinematic accuracy with 5 contact position of sliding slot
It is higher；Baffle 9 is connected by bolt with baffle connector 10, and surface is machined with entire row aperture, the guiding for pushing up seedling bar 7；It is multiple
Position spring 6 is mounted between baffle 9 and top seedling bridge 8, and baffle 9 is fixed when pushing up seedling, and top seedling bridge 8 drives top seedling bar 7 to push up
Seedling, resetting spring 6 store power, seedling bridge 8 are pushed up after pushing up seedling, top seedling bar 7 is driven to exit cave seed plate under the action of resetting spring 6
Cavities；10 one end of baffle connector is connected by screw bolts with barrel coupler 4, and the other end is connected by screw bolts with baffle 9, is used for
9 position of fixed baffle；Barrel coupler 4 is bolted to be connected with transplant machine rack, the fixation for pushing up seedling bar assembly；Carefully
Axis 11 is left and right symmetrically arranged on the seedling bridge 8 of top, and for installing small bearing 12, one end uses shaft shoulder axially position, the other end to add
Work has screw thread, and axial restraint is carried out using nut；12 inner ring of small bearing is with thin axis 11 using interference fit, outer ring and snail cam
15 contoured surfaces contact, and small bearing 12 can reduce the abrasion of parts in surface scrolls when snail cam 15 moves.
As shown in figure 4, snail cam 15 has the machinery for being different from circle and having snail shell curved profile for one
Component makees constant speed rotary motion, rotary motion is changed into reciprocating motion, the actuating travel section of snail cam 15 uses quintic algebra curve
The characteristics of motion, reverse-running section use sinusoidal acceleration characteristics of motion.
It is illustrated in figure 5 top seedling bridge 8 and 5 assembling schematic diagram of sliding slot, seedling bridge 8 both ends in top are machined with trapezoidal rails, pacify
In both ends sliding slot 5, sliding slot 5 plays guiding and branch support seedling bridge 8, and trapezoidal rails have the compactness of height, fortune
Dynamic precision is higher.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (2)
1. a kind of entire row top seedling device based on snail cam mechanism, including motor（1）, L-square（2）, snail cam（15）,
Bearing spider component and top seedling bar assembly；It is characterized in that：The L-square（2）It is welded in transplant machine rack, using spiral shell
Bolt and motor（1）It is connected, is used for motor（1）Fixation；The motor（1）Its power output shaft passes through shaft coupling（3）With it is convex
Wheel shaft（16）It is connected；The bearing spider component includes bearing block（13）, fixed plate（14）, camshaft（16）, flat key（19）,
Deep groove ball bearing（17）And axle sleeve（18）, wherein the bearing block（13）It is mounted on and camshaft（16）Rotation axis phase
Vertical fixed plate（14）Side wall is fixed using four bolts；The fixed plate（14）It is welded in transplant machine rack, is used for
Bearing mounting assembly is installed；The camshaft（16）Both ends are multi-diameter shaft, are machined with keyway, for installing snail cam
（15）, with snail cam（15）It is axial to use the shaft shoulder and axle sleeve（18）Positioning, it is circumferential to use flat key（19）Positioning；The axle sleeve
（18）With camshaft（16）It is gap-matched；The deep groove ball bearing（17）Mounted on bearing block（13）It is interior, using bearing
Seat（13）With axle sleeve（18）Carry out located lateral；The snail cam（15）Have for one has snail different from circle
The mechanical component of shell curved profile；The top seedling bar assembly includes top seedling bar（7）, top seedling bridge（8）, sliding slot（5）, baffle
（9）, resetting spring（6）, baffle connector（10）, barrel coupler（4）, thin axis（11）And small bearing（12）, wherein it is described
Top seedling bar（7）It is arranged symmetrically in top seedling bridge（8）On, with top seedling bar（7）Consolidation, installation end are equipped with the shaft shoulder, multiple for installing
Position spring（6）；The top seedling bridge（8）Both ends are machined with guide rail, are mounted on both ends sliding slot（5）It is interior, along sliding slot（5）It does reciprocal
Linear motion；The sliding slot（5）It is bolted and is mounted on barrel coupler（4）On, play guiding and branch support seedling bridge
（8）Effect, push up seedling bridge（8）With sliding slot（5）Contact position is trapezoidal；The baffle（9）Pass through bolt and baffle connector
（10）It is connected, surface is machined with entire row aperture, for pushing up seedling bar（7）Guiding；The resetting spring（6）Mounted on baffle
（9）With top seedling bridge（8）Between, baffle when pushing up seedling（9）It is fixed, push up seedling bridge（8）Drive top seedling bar（7）Seedling is pushed up, is resetted
Spring（6）Power is stored, seedling bridge is pushed up after pushing up seedling（8）In resetting spring（6）Under the action of drive top seedling bar（7）Exit cave seed plate
Cavities；The baffle connector（10）One end and barrel coupler（4）It is connected by screw bolts, the other end and baffle（9）Using
It is bolted, is used for fixed baffle（9）Position；The barrel coupler（4）It is bolted and is connected with transplant machine rack,
Fixation for pushing up seedling bar assembly；The thin axis（11）It is left and right symmetrically arranged in top seedling bridge（8）On, for installing small bearing
（12）, one end uses shaft shoulder axially position, the other end to be threaded, axial restraint is carried out using nut；The small bearing
（12）Inner ring and thin axis（11）Using interference fit, outer ring and snail cam（15）Contoured surface contacts, snail cam（15）Movement
When small bearing（12）In surface scrolls.
2. a kind of entire row top seedling device based on snail cam mechanism according to claim 1, it is characterised in that：Described
Snail cam（15）Actuating travel section use quintic algebra curve characteristics of motion, reverse-running section use sinusoidal acceleration characteristics of motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811021785.5A CN108781668A (en) | 2018-09-03 | 2018-09-03 | A kind of entire row top seedling device based on snail cam mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811021785.5A CN108781668A (en) | 2018-09-03 | 2018-09-03 | A kind of entire row top seedling device based on snail cam mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN108781668A true CN108781668A (en) | 2018-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811021785.5A Pending CN108781668A (en) | 2018-09-03 | 2018-09-03 | A kind of entire row top seedling device based on snail cam mechanism |
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| CN (1) | CN108781668A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112237076A (en) * | 2020-09-25 | 2021-01-19 | 江苏大学 | Air-blowing wrapping type seedling taking device and transplanter provided with same |
| CN113273360A (en) * | 2021-06-23 | 2021-08-20 | 扬州大学 | Aquatic vegetable plug transplanting and automatic seedling taking device |
| CN113711746A (en) * | 2021-10-18 | 2021-11-30 | 无锡悦田农业机械科技有限公司 | Seedling ejecting device of automatic plug seedling transplanter |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090031935A1 (en) * | 2007-08-04 | 2009-02-05 | Faulring Frank W | Transplanter |
| CN102301856A (en) * | 2011-07-08 | 2012-01-04 | 新疆农业大学 | Device for automatically picking seedlings |
| CN203633111U (en) * | 2013-11-06 | 2014-06-11 | 现代农装科技股份有限公司 | Seedling ejecting mechanism and seedling transplanting machine with same |
| CN104782292A (en) * | 2015-05-05 | 2015-07-22 | 农业部南京农业机械化研究所 | Gang seedling ejecting mechanism for pot seedling transplanter |
| CN204796142U (en) * | 2015-07-01 | 2015-11-25 | 石河子大学 | Seedling device is got in cave dish seedling transplanter pneumatics |
| CN107231872A (en) * | 2017-08-10 | 2017-10-10 | 石河子大学 | A kind of Plug seedling top seedling device based on partial gear rackwork |
| CN208657329U (en) * | 2018-09-03 | 2019-03-29 | 石河子大学 | A kind of entire row top seedling device based on snail cam mechanism |
-
2018
- 2018-09-03 CN CN201811021785.5A patent/CN108781668A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090031935A1 (en) * | 2007-08-04 | 2009-02-05 | Faulring Frank W | Transplanter |
| CN102301856A (en) * | 2011-07-08 | 2012-01-04 | 新疆农业大学 | Device for automatically picking seedlings |
| CN203633111U (en) * | 2013-11-06 | 2014-06-11 | 现代农装科技股份有限公司 | Seedling ejecting mechanism and seedling transplanting machine with same |
| CN104782292A (en) * | 2015-05-05 | 2015-07-22 | 农业部南京农业机械化研究所 | Gang seedling ejecting mechanism for pot seedling transplanter |
| CN204796142U (en) * | 2015-07-01 | 2015-11-25 | 石河子大学 | Seedling device is got in cave dish seedling transplanter pneumatics |
| CN107231872A (en) * | 2017-08-10 | 2017-10-10 | 石河子大学 | A kind of Plug seedling top seedling device based on partial gear rackwork |
| CN208657329U (en) * | 2018-09-03 | 2019-03-29 | 石河子大学 | A kind of entire row top seedling device based on snail cam mechanism |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112237076A (en) * | 2020-09-25 | 2021-01-19 | 江苏大学 | Air-blowing wrapping type seedling taking device and transplanter provided with same |
| CN112237076B (en) * | 2020-09-25 | 2022-07-22 | 江苏大学 | Air-blowing wrapping type seedling taking device and transplanter provided with same |
| CN113273360A (en) * | 2021-06-23 | 2021-08-20 | 扬州大学 | Aquatic vegetable plug transplanting and automatic seedling taking device |
| CN113711746A (en) * | 2021-10-18 | 2021-11-30 | 无锡悦田农业机械科技有限公司 | Seedling ejecting device of automatic plug seedling transplanter |
| CN113711746B (en) * | 2021-10-18 | 2022-10-21 | 无锡悦田农业机械科技有限公司 | Seedling ejecting device of automatic plug seedling transplanter |
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Application publication date: 20181113 |
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