CN106489389B

CN106489389B - The automatic seedling taking device of transplanter

Info

Publication number: CN106489389B
Application number: CN201610989992.4A
Authority: CN
Inventors: 高希文; 崔巍
Original assignee: Modern Agricultural Equipment Co Ltd
Current assignee: Chinese Academy of Agricultural Mechanization Sciences Group Co Ltd
Priority date: 2016-11-10
Filing date: 2016-11-10
Publication date: 2019-01-25
Anticipated expiration: 2036-11-10
Also published as: CN106489389A

Abstract

The present invention discloses a kind of automatic seedling taking device of transplanter, the transplanter includes a transplant machine rack and one is installed in dynamical system in the transplant machine rack, the automatic seedling taking device of the transplanter includes: a driving mechanism, it is installed in the transplant machine rack, which is connected with the dynamical system of the transplanter；An at least rotary box, the rotary box are connected with the driving mechanism；At least a seedling taking arm, the seedling taking arm are installed in the both ends of the rotary box；And an at least resetting-mechanism, the resetting-mechanism are connected with the rotary box and the seedling taking arm.Automatic seedling taking device of the invention can obtain higher seedling taking efficiency.

Description

The automatic seedling taking device of transplanter

Technical field

The present invention relates to a kind of workpiece of transplanter, in particular to a kind of automatic seedling taking device of transplanter.

Background technique

Transplanting hole tray seedling technology is widely used in the production of vegetables and tobacco, with agricultural production development and The improvement of agronomic technique is planted, the field-transplanting planting technology of the crops such as corn, cotton was already mature, and field crop transplanting is not It cannot achieve using mechanical work.

Most of dry crop transplanter is automanual manually hello seedling both at home and abroad at present, is generally inputted using artificial single plant Mode, input efficiency is low, it is difficult to promote.In order to develop the efficient dry crop transplanter for capableing of automatic seedling taking hello seedling, need A kind of efficient automatic seedling taking device is developed, when the finger pincers on seedling taking arm run in hole tray pot seedling nearby, refers to that pincers are vertical It is accurately inserted into hole in hole tray surface, jaw is then closed and grabs a pot seedling extraction hole；Seedling taking arm runs to required throwing When seedling position, pot seedling is just at upright state and movement speed is close to zero, refers to that pincers loosen release pot seedling in time, realizes and throw Seedling.

Based on the defect in the presence of the prior art, a kind of automatic seedling taking device of transplanter how is designed, is allowed to Automatic seedling taking in the intended manner becomes those skilled in the art's urgent problem to be solved.

Summary of the invention

The purpose of the present invention is to provide a kind of automatic seedling taking device of transplanter, allow to obtain higher seedling taking effect Rate.

To achieve the above object, the present invention provides a kind of automatic seedling taking device of transplanter, which includes a transplanting Machine rack and one it is installed in dynamical system in the transplant machine rack, the automatic seedling taking device of the transplanter includes:

One driving mechanism is installed in the transplant machine rack, which is connected with the dynamical system of the transplanter It connects；

An at least rotary box, the rotary box are connected with the driving mechanism；

At least a seedling taking arm, the seedling taking arm are installed in the both ends of the rotary box；And

An at least resetting-mechanism, the resetting-mechanism are connected with the rotary box and the seedling taking arm.

Wherein, which includes that rack, sprocket wheel, sprocket shaft and two dental inlays connect disk, which is fixed on the shifting Cultivation machine rack, the sprocket shaft are arranged in the upper rack, which is fixed on the sprocket shaft, which connects disk and be fixed on the machine On two lateral surfaces of frame.

Wherein, which includes that a base portion and two extensions that are upwardly extended by the base portion, the base portion are fixed In the transplant machine rack, which is set between two extension, and the center of the sprocket wheel is located in two extension On heart line, which connects disk and is arranged in the center for surrounding two extension on the two extensions lateral surface, and the sprocket shaft is by it In the dental inlay connect in disk and penetrate, pass through the wherein center of the extension, the center of the sprocket wheel, another extension Center and connect in disk and be pierced by from another dental inlay.

Wherein, which is connected by a chain with the dynamical system, so that the sprocket wheel can pass through the dynamical system Drive and around the sprocket shaft rotate.

Wherein, which is bilateral symmetry, and the center of the rotary box is connected to the driving mechanism, the rotary box Both ends are located at the two sides of the driving mechanism.

Wherein, which includes two external cams, two cam rings, two twist mechanisms and a gear-box, which is one Bilateral symmetry, two external cam are fixedly arranged on both ends on the outside of the gear-box respectively, which is respectively arranged at this On the outside of gear-box at the center at both ends, which surrounds two twist mechanism respectively and is fixedly arranged on the gear-box.Evagination The upper surface of wheel and cam ring is working face.

Wherein, which includes a gear housing, a sun gear, two breast wheels, two planetary gears and two planet wheel spindles；It should Sun gear, the breast wheel and the planetary gear are installed in the gear housing, which is set to the center of the gear-box, should Two breast wheels are respectively arranged at two outsides of the sun gear, which is set to two outsides of two breast wheel again, thus So that the sun gear, the breast wheel and the planetary gear collectively constitute non-circular gear train；On the gear housing and the driving mechanism The sprocket wheel axis connection and be supported in the rack, which is socketed on the sprocket shaft and the sun gear and the driving Dental inlay in mechanism connects disk and is fastened togather by dental inlay；The planet wheel spindle is fixed on the center of the planetary gear.

As a result, the gear housing can be rotated with the rotation of the sprocket shaft, and the sun gear is due to by dental inlay The engaging of disk is connect and motionless, for the angle of relative motion, that is, sun gear turns along in contrast to the gear housing It moves the direction in direction and rotates (e.g., gear housing is clockwise, then sun gear is just counterclockwise), the rotation of sun gear, meeting one And the rotation of breast wheel, planetary gear is driven, and then finally planet wheel spindle is driven to rotate.

Wherein, two external cam and two cam ring are fixedly arranged on the outside of the gear housing at both ends；The external cam is tool There is the annular boss of a notch, is fixedly arranged on the outer ring of the gear housing end；The cam ring is a semicircular convex peak, is fixedly arranged on this The diameter of the inner ring of gear housing end, the outer ring is greater than the inner ring.Semicircular convex peak can be located at and annular boss notch phase Anti- semicircle.

Wherein, each twist mechanism includes a translating cam and an internal trolley；The rotary box further includes two transmission connections Part is respectively arranged on each planet wheel spindle；The translating cam is socketed on the planet wheel spindle and by the transmission connection Part and the planet wheel spindle are fastened togather and can axially slide along the planet wheel spindle；The internal trolley is fixed on the translating cam Outside and it is resisted against the cam ring, which is rolled in sliding on the cam ring.

Wherein, which is a steel ball, which has an elongated slot, which has One connecting hole, by the way that the steel ball is placed in the elongated slot, and it is corresponding with connecting hole engaging, and the translating cam is covered It connects and is sticked on the planet wheel spindle and can be slid up and down along the planet wheel spindle.

Wherein, which further includes two blocks, is individually fixed in the end of two planet wheel spindle.

Wherein, which includes a seedling taking arm body, a pivoted arm, a dynamic clamping head and quiet clamping head and a clamping device；The seedling taking arm Body is connect with the rotary box, which is installed on the seedling taking arm body, which is connected to the pivoted arm, the dynamic clamping head and quiet clamping head Connect the seedling taking arm body and the pivoted arm.

Wherein, which is a tension spring.

Wherein, which includes a pivoted arm cabinet and a rotation cam, which is sheathed on the planet wheel spindle It above and with the translating cam is mutually clamped, there is an inclined-plane, the pivoted arm on the snap-latch surface of the translating cam and the rotation cam Cabinet is fixed in rotation cam.

Wherein, which includes an outer idler wheel, a tumbler shaft and a hook, which is installed in being somebody's turn to do for the seedling taking arm body In boom box body, which is connected to one end of the tumbler shaft, which is connected to the other end of the tumbler shaft, and the elasticity is multiple Position part is connected between the hook and the pivoted arm cabinet, which is resisted against the evagination under the tensioning function of dynamic clamping head and quiet clamping head On the working face of wheel, a finger clipper joint of the clamping device can be moved in the tumbler shaft and with the rotation of the tumbler shaft.

Wherein, which is installed on the translating cam of the twist mechanism, and the other end is mounted on the seedling taking arm On body.

Wherein, which is a torsional spring being sheathed on the translating cam, and one torque arm of the torsional spring is connected to the shifting Moving cam, another torque arm are connected to the seedling taking arm body.

As a result, under the action of resetting-mechanism (such as torsional spring), the working face of the translating cam and the rotation cam Working face fits together；Adjusting screw on the block is used to adjust the extreme position of the seedling taking arm return.

The automatic seedling taking device carrying out practically process of transplanter of the invention is as follows:

Firstly, the dynamical system of transplanter drives the sprocket wheel of driving mechanism to rotate clockwise, sprocket wheel is fixed on to drive On sprocket shaft rotation, sprocket shaft further drives rotary box to rotate clockwise together --- due to the sun inside gear-box Wheel is connect the engaging of disk by dental inlay, therefore sun gear carries out the rotation counterclockwise relative to rotary box, while band in rotary box Dynamic breast wheel, planetary gear, it is final that planet wheel spindle is driven to rotate relative to rotary box.Since twist mechanism and planet wheel spindle are engagings , the translating cam of twist mechanism and the rotation cam of seedling taking arm body are engagings, therefore when planet wheel spindle rotation, understand band together Dynamic twist mechanism and the rotation of seedling taking arm body.

When rotary box rotates, refer to that the position of pincers also rotates with it and runs along track, when the end for referring to pincers runs to seedling Disk nearby when, the rotation of planet wheel spindle drives the outer idler wheel on pivoted arm to climb along the working face of external cam to upper working face, thus (outer idler wheel is located in external cam to work the hole and clamping band soil pot seedling for driving the finger pincers of clamping device to protrude into seed plate by pivoted arm When face (on boss), refer to pincers movement to stretch out and clamping, i.e., seedling taking acts), and pot seedling is driven to be detached from seed plate.

Following outer idler wheel continues to roll on the upper working face of external cam, and the internal trolley on twist mechanism also starts edge The working face of cam ring is climbed upwards by minimum point, pushes translating cam along planet wheel spindle upward sliding (that is, to far from gear-box It slides in the direction of body).When translating cam slides axially upward, rotation cam can be pushed, and rotation cam is stopped nothing by block Method moves up further.Due to having an inclined-plane at the engaging of translating cam and rotation cam, when rotation cam is pushed up, The ramp effect of translating cam is in rotation cam inclined-plane, so that the sliding of translating cam is converted to the rotation of rotation cam, thus So that seedling taking arm integrally can also be rotated counterclockwise around planet wheel spindle, refer to pot seedling clamped by pincers top in the band of this rotational action It is able to adjustment posture under dynamic, forms upright state.

As the sprocket wheel of driving mechanism continues to rotate clockwise, when finger pincers run to extreme lower position together with the pot seedling of extraction When, outer idler wheel will be dropped down from the upper working face of external cam, to drive clamping device retraction to refer to pincers release by pivoted arm Pot seedling (can unclamp) together when referring to pincers retraction, complete to throw seedling movement.Next internal trolley is along the working face of cam ring by highest point It runs down, resetting-mechanism drives rotation cam and translating cam rotation and movement, seedling taking arm to turn clockwise around planetary gear shaft Dynamic return.

Hereafter, as the sprocket wheel of driving mechanism continues to rotate clockwise, refer to that pincers enter backhaul and carry out next circulation.Rotation The seedling taking arm at case both ends works alternatively, and not only improves work efficiency, but also balance the mass distribution of pivoting part, so that operation is more Steadily.

In addition, the position of seed plate, throwing seedling position, the setting position of transplanter, size etc., those skilled in the art can root Factually the case where border, adjusts, as long as finger pincers is enabled to carry out seedling taking movement in seed plate when stretching out, can be aligned in retraction Throw seedling position.

A kind of automatic seedling taking device of transplanter provided by the invention, the native alms bowl of band suitable for being cultivated in a manner of hole plate seedling growth Automatic transplanter seedling taking and throwing seedling of the seedling as manipulating object.Compared with prior art, the automatic seedling taking of transplanter of the invention Device can achieve following significant technical effect:

1) individual operating components of automatic seedling taking device of the invention as transplanter can be conveniently mounted to transplanter In complete machine, the automation of transplanter is realized, liberate labour, improve efficiency.

2) the finger pincers of automatic seedling taking device of the invention can be run by intended trajectory and direction, be closed and open on time, Single plant pot seedling is accurately grabbed and launched from hole tray, and small to pot seedling damage, seedling taking is high-efficient, is suitable for automatic transplanter seedling taking With throwing seedling.

Below in conjunction with the drawings and specific embodiments, the present invention will be described in detail, but not as a limitation of the invention.

Detailed description of the invention

Fig. 1 is the automatic seedling taking device structural schematic diagram of the transplanter of one embodiment of the invention；

Fig. 2 is the driving mechanism structure schematic diagram of the automatic seedling taking device of the transplanter of one embodiment of the invention；

Fig. 3 a is the rotary box structural schematic diagram of the automatic seedling taking device of the transplanter of one embodiment of the invention；

Fig. 3 b is cam ring, external cam and twist mechanism schematic diagram in Fig. 3 a；

Fig. 4 is the seedling taking arm configuration schematic diagram of the automatic seedling taking device of the transplanter of one embodiment of the invention；

Fig. 5 a is that the twist mechanism of the automatic seedling taking device of the transplanter of one embodiment of the invention shows in conjunction with seedling taking arm body It is intended to；

Fig. 5 b is that the translating cam of the automatic seedling taking device of the transplanter of one embodiment of the invention shows in conjunction with rotation cam It is intended to；

Fig. 6 is the automatic seedling taking device operation principle schematic diagram of the transplanter of one embodiment of the invention；

Fig. 7 is the automatic seedling taking device clamping device operation principle schematic diagram of the transplanter of one embodiment of the invention.

Wherein, appended drawing reference:

1 driving mechanism

11 racks

12 sprocket wheels

13 sprocket shafts

14 dental inlays connect disk

2 rotary boxes

21 external cams

22 cam rings

23 twist mechanisms

231 translating cams

232 internal trolleys

24 blocks

25 transmission connection pieces

26 gear-boxes

261 gear housings

262 sun gears

263 breast wheels

264 planetary gears

265 planet wheel spindles

3 seedling taking arms

31 seedling taking arm bodies

311 pivoted arm cabinets

312 rotation cams

32 pivoted arms

321 outer idler wheels

322 tumbler shafts

323 hooks

33 dynamic clamping head and quiet clamping heads

34 clamping devices

341 refer to pincers

4 resetting-mechanisms

5 transplant machine racks

6 transplanter dynamical systems

7 chains

8 seed plates

A refers to pincers running track

Specific embodiment

For technical characterstic of the invention can be demonstrated so that those skilled in the art can be apparent from it is of the invention Structure, feature, usage mode and technical effect, below by specific embodiment, and in conjunction with attached drawing, to the solution of the present invention into Row illustrates.But as described below is only to illustrate to be used, and is not intended as limitation of the invention.

Referring to FIG. 1, the present invention provides a kind of automatic seedling taking device of transplanter to obtain higher seedling taking efficiency, it should Transplanter includes a transplant machine rack 5 and one is installed in dynamical system 6 in the transplant machine rack 5, the transplanter it is automatic Seedling taking device includes:

One driving mechanism 1 is installed in the transplant machine rack 5, the dynamical system 6 of the driving mechanism 1 and the transplanter It is connected；

An at least rotary box 2, the rotary box 2 are connected with the driving mechanism 1；

At least a seedling taking arm 3, the seedling taking arm 3 are installed in the both ends of the rotary box 2；And

An at least resetting-mechanism 4, the resetting-mechanism 4 are connected with the rotary box 2 and the seedling taking arm 3.

Please also refer to Fig. 2, which includes that rack 11, sprocket wheel 12, sprocket shaft 13 and two dental inlays connect disk 14, should The transplant machine rack 5 is fixed in 11 lower part of rack, which is arranged in 11 top of rack, which is fixed on the chain On wheel shaft 13, which connects disk 14 and is fixed on two lateral surfaces of the rack 11.The sprocket wheel 12 passes through a chain 7 and the dynamical system System 6 is connected, so that the sprocket wheel 12 can be rotated by the drive of the dynamical system 6 around the sprocket shaft 13.

In a better embodiment, which includes a base portion and two extensions that are upwardly extended by the base portion Portion, the base portion are fixed on the transplant machine rack 5, which is set between two extension, and in the sprocket wheel 12 The heart is located on the line of centres of two extension, which connects disk 14 in surrounding two extension on the two extensions lateral surface Center setting, which is connect in disk 14 by wherein one dental inlay and is penetrated, pass through wherein the center of the extension, should The center of sprocket wheel 12, another extension center and connect in disk 14 and be pierced by from another dental inlay.

It please continue with reference to Fig. 3 a and Fig. 3 b, which is bilateral symmetry, and the center of the rotary box 2 is connected to the drive Motivation structure 1, the both ends of the rotary box 2 are located at the two sides of the driving mechanism 1.

The rotary box 2 includes two external cams 21, two cam rings 22, two twist mechanisms 23 and a gear-box 26, the gear-box 26 be a bilateral symmetry, which is fixedly arranged on the 26 outside both ends of gear-box, two twist mechanism 23 respectively It is respectively arranged at the center at the 26 outside both ends of gear-box, two cam ring 22 is fixed around two twist mechanism 23 respectively In on the gear-box 26.The upper surface of external cam and cam ring is working face.

Wherein, which includes a gear housing 261, a sun gear 262, two breast wheels 263, two planetary gears 264 With two planet wheel spindles 265；The sun gear 262, the breast wheel 263 and the planetary gear 264 are installed in the gear housing 261, The sun gear 262 is set to the center of the gear-box 261, which is respectively arranged at outside the two of the sun gear 262 Side, which is set to two outsides of two breast wheel 263 again, so that the sun gear 262, the breast wheel 263 Non-circular gear train is collectively constituted with the planetary gear 264；The sprocket shaft 13 on the gear housing 261 and the driving mechanism 1 connects It connects and is supported in the rack 11, which is socketed on the sprocket shaft 13 and the sun gear 262 and the driving machine Dental inlay on structure 1 connects disk 14 and is fastened togather by dental inlay；The planet wheel spindle 265 is fixed on the center of the planetary gear 264.

As a result, the gear housing 261 can be rotated with the rotation of the sprocket shaft 13, and the sun gear 262 due to Connect the engaging of disk 14 by dental inlay and motionless, for the angle of relative motion, that is, sun gear 262 along in contrast to The direction of 261 rotation direction of gear housing and rotate (e.g., gear housing 261 is clockwise, then sun gear 262 just be the inverse time Needle), the rotation of sun gear 262 can drive together the rotation of breast wheel 263, planetary gear 264, and then finally drive planet wheel spindle 265 rotations.

Two external cam 21 and two cam ring 22 are fixedly arranged at the 261 outside both ends of gear housing；The external cam 21 For the annular boss with a notch, it is fixedly arranged on the outer ring of 261 end of gear housing；The cam ring 22 is that a semicircular is convex Peak, is fixedly arranged on the inner ring of 261 end of gear housing, and the diameter of the outer ring is greater than the inner ring.As shown, semicircular convex peak can To be located at the semicircle opposite with annular boss notch.

Each twist mechanism 23 includes a translating cam 231 and an internal trolley 232；The rotary box 2 further includes two transmissions Connector 25 is respectively arranged on each planet wheel spindle 265；The translating cam 231 be socketed on the planet wheel spindle 265 and It is fastened togather by the transmission connection piece 25 and the planet wheel spindle 265；The internal trolley 232 is fixed on outside the translating cam 231 Side and it is resisted against the cam ring 22, which is rolled in sliding on the cam ring 22.Preferably, the biography Follower link 25 is a steel ball, which has an elongated slot, which has a connecting hole, By the way that the steel ball is placed in the elongated slot, and it is corresponding with connecting hole engaging, and the translating cam 231 is enabled to be socketed engaging In can slide on the planet wheel spindle 265 and along about 265 planet wheel spindle.

In addition, the rotary box 2 further includes two blocks 24, it is individually fixed in the end of two planet wheel spindle 265.

It please continue with reference to Fig. 4 and Fig. 5 a, Fig. 5 b, which includes a seedling taking arm body 31, a pivoted arm 32, an elastic reset Part 33 and a clamping device 34；The seedling taking arm body 31 is connect with the rotary box 2, which is installed on the seedling taking arm body 31, The clamping device 34 is connected to the pivoted arm 32, which connects the seedling taking arm body 31 and the pivoted arm 32.The elasticity is multiple Position part 33 can be a tension spring.

The seedling taking arm body 31 includes a pivoted arm cabinet 311 and a rotation cam 312, which is sheathed on the row It is mutually clamped on spider gear shaft 265 and in the translating cam 231, on the snap-latch surface of the translating cam 231 and the rotation cam 312 With an inclined-plane, pivoted arm cabinet 311 is fixed in rotation cam 312.

The pivoted arm 32 includes an outer idler wheel 321, a tumbler shaft 322 and a hook 323, which is installed in this and takes In the pivoted arm cabinet 311 of seedling wall body 31, which is connected to one end of the tumbler shaft 322, which is connected to The other end of the tumbler shaft 322, the dynamic clamping head and quiet clamping head 33 are connected between the hook 323 and the pivoted arm cabinet 311, the outer idler wheel 321 are resisted against on the working face of the external cam 21 under the tensioning function of dynamic clamping head and quiet clamping head 33, and the one of the clamping device 34 refers to pincers 341 are connected to the tumbler shaft 322 and can move with the rotation of the tumbler shaft 322.

4 one end of resetting-mechanism is installed on the translating cam 231 of the twist mechanism 23, and the other end is mounted on the seedling taking arm On body 31.Preferably, the resetting-mechanism 4 is a torsional spring being sheathed on the translating cam 231, one torque arm of the torsional spring is connected to The translating cam 231, another torque arm are connected to the seedling taking arm body 31.

As a result, under the action of resetting-mechanism (such as torsional spring), the working face of the translating cam 231 and the rotation cam 312 working face fits together；Adjusting screw on the block 24 is used to adjust the limit position of 3 return of seedling taking arm It sets.

Fig. 5 a, Fig. 5 b, Fig. 6, Fig. 7 are please referred to, the automatic seedling taking device carrying out practically process of transplanter of the invention is as follows:

Firstly, the dynamical system 6 of transplanter drives the sprocket wheel 12 of driving mechanism 1 to rotate clockwise, it is fixed on to drive Sprocket shaft 13 on sprocket wheel 12 rotates, and sprocket shaft 13 further drives rotary box 2 to rotate clockwise together --- due to gear Sun gear 262 inside case 26 is connect the engaging of disk 14 by dental inlay, therefore sun gear 262 carries out in rotary box 2 relative to rotation The rotation counterclockwise of turnning box 2, while breast wheel 263, planetary gear 264 are driven, it is final to drive planet wheel spindle 265 relative to rotary box 2 rotations.Since twist mechanism 23 and planet wheel spindle 265 are engaging, the translating cam 231 and seedling taking arm body 31 of twist mechanism 23 Rotation cam 312 be engaging, therefore when planet wheel spindle 265 rotates, twist mechanism 23 and seedling taking arm body 31 can be driven together Rotation.

When rotary box 2 rotates, refer to that the position of pincers 341 also rotates with it and runs along track, when the end fortune for referring to pincers 341 When row arrives seed plate 8 nearby, the rotation of planet wheel spindle 265 drives the outer idler wheel 321 on pivoted arm 32 to climb along the working face of external cam 21 It is raised to working face, to drive the finger pincers 341 of clamping device 34 to protrude into the hole and clamping band soil alms bowl of seed plate 8 by pivoted arm 32 Seedling (when outer idler wheel 321 is located at working face (on boss) in external cam 21, refers to 341 movement of pincers to stretch out and clamping, i.e., seedling taking is dynamic Make), and pot seedling is driven to be detached from seed plate 8.

Following outer idler wheel 321 continues to roll on the upper working face of external cam 21, and the internal trolley on twist mechanism 23 232 also start to be climbed upwards along the working face of cam ring 22 by minimum point, push translating cam 231 upward along planet wheel spindle 265 Sliding (that is, being slided to the direction far from gear housing 261).When translating cam 231 slides axially upward, it is convex that rotation can be pushed Wheel 312, and rotation cam 312 can not be moved up further by the blocking of block 24.Due to translating cam 231 and rotation cam 312 There is an inclined-plane, therefore, when rotation cam 312 is pushed up, the ramp effect of translating cam 231 is in rotation cam 312 at engaging Inclined-plane, so that the sliding of translating cam 231 is converted to the rotation of rotation cam 312, so that seedling taking arm 3 is whole also to detour Spider gear shaft 265 rotates counterclockwise, and refers to that pot seedling clamped by 341 tops of pincers is able to adjustment appearance under the drive of this rotational action State forms upright state.

As the sprocket wheel 12 of driving mechanism 1 continues to rotate clockwise, when refer to pincers 341 together with extraction pot seedling run to it is minimum When position, outer idler wheel 321 will be dropped down from the upper working face of external cam 21, to drive clamping device 34 by pivoted arm 32 Retraction refers to pincers release pot seedling (can unclamp together when referring to 341 retraction of pincers), completes to throw seedling movement.Following internal trolley 232 is along convex The working face of wheel 22 is run down by highest point, and resetting-mechanism 4 drives rotation cam 312 and the rotation of translating cam 231 and movement, Seedling taking arm 3 rotates clockwise return around planet wheel spindle 265.

Hereafter, as the sprocket wheel 12 of driving mechanism 1 continues to rotate clockwise, refer to that pincers 341 enter backhaul and carry out next follow Ring.The seedling taking arm 3 at 2 both ends of rotary box works alternatively, and not only improves work efficiency, but also balance the mass distribution of pivoting part, It is more stable to run.

2) the finger pincers of automatic seedling taking device of the invention can be run by intended trajectory and direction, be closed and open on time It opens, accurately grabs and launch single plant pot seedling from hole tray, small to pot seedling damage, seedling taking is high-efficient, is suitable for automatic transplanter Seedling taking and throwing seedling.

Certainly, the present invention can also have other various embodiments, without deviating from the spirit and substance of the present invention, ripe Various corresponding changes and modifications, but these corresponding changes and modifications can be made according to the present invention by knowing those skilled in the art It all should belong to the protection scope of the claims in the present invention.

Claims

1. a kind of automatic seedling taking device of transplanter, which is characterized in that the transplanter includes a transplant machine rack and an installing The automatic seedling taking device of dynamical system in the transplant machine rack, the transplanter includes:

One driving mechanism is installed in the transplant machine rack, which is connected with the dynamical system of the transplanter；

An at least resetting-mechanism, the resetting-mechanism are connected with the rotary box and the seedling taking arm；

Wherein, which includes that rack, sprocket wheel, sprocket shaft and two dental inlays connect disk, which is fixed on the transplanter Rack, the sprocket shaft are arranged in the upper rack, which is fixed on the sprocket shaft, which connects disk and be fixed on the rack On two lateral surfaces；The sprocket wheel is connected by a chain with the dynamical system, so that the sprocket wheel can pass through the dynamical system It drives and is rotated around the sprocket shaft；The rotary box includes two external cams, two cam rings, two twist mechanisms and a gear-box, the tooth Roller box is a bilateral symmetry, which is fixedly arranged on both ends on the outside of the gear-box respectively, two twist mechanism difference It is set on the outside of the gear-box at the center at both ends, which surrounds two twist mechanism respectively and be fixedly arranged on the gear-box On.

2. the automatic seedling taking device of transplanter according to claim 1, which is characterized in that the gear-box includes a gear-box Body, a sun gear, two breast wheels, two planetary gears and two planet wheel spindles；The sun gear, the breast wheel and the planetary gear are installed in In the gear housing, which is set to the center of the gear-box, which is respectively arranged at outside the two of the sun gear Side, which is set to two outsides of two breast wheel again, so that the sun gear, the breast wheel and the planetary gear are total With composition non-circular gear train；The sprocket wheel axis connection in the gear housing and the driving mechanism and be supported in the rack, The dental inlay that the sun gear is socketed on the sprocket shaft and in the sun gear and the driving mechanism connects disk and is fastened on one by dental inlay It rises；The planet wheel spindle is fixed on the center of the planetary gear.

3. the automatic seedling taking device of transplanter according to claim 2, which is characterized in that two external cam and two convex Wheel is fixedly arranged on the outside of the gear housing at both ends；The external cam is the annular boss with a notch, is fixedly arranged on the gear-box The outer ring in body end portion；The cam ring is a semicircular convex peak, is fixedly arranged on the inner ring of the gear housing end, the diameter of the outer ring is big In the inner ring.

4. the automatic seedling taking device of transplanter according to claim 2, which is characterized in that each twist mechanism includes one Translating cam and an internal trolley；The rotary box further includes two transmission connection pieces, is respectively arranged on each planet wheel spindle；The shifting Moving cam is socketed on the planet wheel spindle and is fastened togather by the transmission connection piece and the planet wheel spindle and being capable of edge The planet wheel spindle axially slides；The internal trolley is fixed on the outside of the translating cam and is resisted against the cam ring, so that the interior rolling Wheel can be rolled in sliding on the cam ring.

5. the automatic seedling taking device of transplanter according to claim 2, which is characterized in that the rotary box further includes second gear Block is individually fixed in the end of two planet wheel spindle.

6. the automatic seedling taking device of transplanter according to claim 4, which is characterized in that the seedling taking arm includes a seedling taking arm Body, a pivoted arm, a dynamic clamping head and quiet clamping head and a clamping device；The seedling taking arm body is connect with the rotary box, which is installed in this and takes On seedling arm body, which is connected to the pivoted arm, which connects the seedling taking arm body and the pivoted arm.

7. the automatic seedling taking device of transplanter according to claim 6, which is characterized in that the seedling taking arm body includes a pivoted arm Cabinet and a rotation cam, the rotation cam are sheathed on the planet wheel spindle and are mutually clamped with the translating cam, boom box Body is fixed in rotation cam.

8. the automatic seedling taking device of transplanter according to claim 7, which is characterized in that the pivoted arm include an outer idler wheel, One tumbler shaft and a hook, the tumbler shaft are installed in the boom box body of the seedling taking wall body, which is connected to the pivoted arm One end of axis, the hook are connected to the other end of the tumbler shaft, the dynamic clamping head and quiet clamping head be connected to the hook and the pivoted arm cabinet it Between, on the working face which is resisted against the external cam under the tensioning function of dynamic clamping head and quiet clamping head, a finger of the clamping device Clipper joint is in the tumbler shaft and can move with the rotation of the tumbler shaft.

9. the automatic seedling taking device of transplanter according to claim 6, which is characterized in that the resetting-mechanism one end is installed on On the translating cam of the twist mechanism, the other end is mounted on the seedling taking arm body.