CN204498674U - A kind of single-degree-of-freedom non-circular gear becomes crank seven bar flowers transplanting mechanism - Google Patents
A kind of single-degree-of-freedom non-circular gear becomes crank seven bar flowers transplanting mechanism Download PDFInfo
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- CN204498674U CN204498674U CN201520140751.3U CN201520140751U CN204498674U CN 204498674 U CN204498674 U CN 204498674U CN 201520140751 U CN201520140751 U CN 201520140751U CN 204498674 U CN204498674 U CN 204498674U
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- circular gear
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- seedling
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Abstract
The utility model discloses a kind of single-degree-of-freedom non-circular gear and become crank seven bar flowers transplanting mechanism.Double-crank mechanism, planetary gears can only form a latch closure shape track, are difficult to ensure to enter with better attitude plant seedlings working portion and the full-automation realizing flowers transplanter.In the utility model one end of first connecting rod and the first crank hinged, the other end and second connecting rod hinged; One end of third connecting rod and the middle part of second connecting rod hinged, the other end and slide block hinged; Second crank is connected with skid; Initiatively non-circular gear and the first crank are fixed, and engage with the first middle non-circular gear; Second middle non-circular gear engages with the second driven non-circular gear; Second driven non-circular gear and the second crank are fixed; Cam and frame are fixed, and slide block is connected by cam pair with the chute of cam.The utility model can realize two-ring fastener track, thus realizes the full-automation of flowers transplanter, ensures the upright degree that flowers are thrown the suitable angle of seedling, speed and plant seedlings.
Description
Technical field
The utility model belongs to agricultural mechanical field, relates to flowers transplanting mechanism, is specifically related to a kind of single-degree-of-freedom non-circular gear and becomes crank seven bar flowers transplanting mechanism.
Background technology
Mechanization transplanting is generally divided into two steps to complete: get seedling and plant.By different seedling modes of getting, transplanter is divided into full-automatic and semi-automatic two kinds of modes, key point sees whether it adopts mechanization to get seedling operation.
Current dry land transplanter tool formula gets seedling mode generally has the native formula of folder to get seedling and folder seedling formula gets seedling two kinds of modes.The rotary seedling picking mechanism of novel planetary train has mixing high-order modification Planetary elliptic gears pot seedling transplanter seedling-distributing mechanism, high speed potted-seedling transplanting mechanism of free second order noncircular planetary gear system and rotary rice seedling transplanter structure, they are got seedling mode and get seedling for pressing from both sides native formula, namely seedling pin is needed to enter pot seedling disk inner clip seedling taking seedling, and alms bowl dish can not be destroyed and hinder root, therefore track needs a sharp-pointed projection, alms bowl dish is entered to leaving alms bowl body completely from seedling pin, seedling pin needs one section close to the movement locus of straight line, due to this restriction, cause non-circular gear scrambling strengthen or increase " leaning out formula " seedling pin, mechanism's mechanical property is deteriorated, service life reduction.The transplanting mechanism track of current research comprises ' D ' shape track, ' P ' shape track, ' 8 ' zag trajectory, but considers that flowers transplanting need complete from cave dish toward the transplanting work floral disc, and existing track scheme is all not suitable for.
A latch closure shape track can only be formed for double-crank mechanism, planetary gears, dicyclo buckle-like track can not be realized, be difficult to ensure to enter with better attitude plant seedlings working portion and the full-automation realizing flowers transplanter, in order to solve this difficult problem, needing also to design a latch closure shape track in planting mechanism part and transplanting track requirements to meet flowers.Transplant for substrate seedling, matrix is comparatively light, and the stem stalk part of part melon and fruit, vegetables, flower crop is enough tough and tensile, allows the mode operation adopting folder seedling.Therefore, be necessary for melon and fruit, vegetables, flowers and other crops, design that a kind of efficiency is higher, transmission seedling picking mechanism more stably, make it coordinate with planting mechanism, realize the full-automatic transplantation of melon and fruit, vegetables, flowers and other crops.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, a kind of single-degree-of-freedom non-circular gear is provided to become crank seven bar flowers transplanting mechanism, this mechanism adopts the mode becoming crank, be connected with moving sets with crank by slide block, slide block slides the length changing crank in cam path, realize two-ring fastener track, thus realize getting seedling and action of planting seedlings, make mechanism path be more conducive to mechanism to realize, and flexibility is high, any required track can be realized, and the full-automatic transplantation of other crops such as melon and fruit, vegetables can be realized.
For solving the problems of the technologies described above, the technical solution of the utility model is:
The utility model comprises non-circular gear transmission mechanism and seven bar flowers transplanting mechanisms.Seven described bar flowers transplanting mechanisms comprise the first crank, first connecting rod, third connecting rod, second connecting rod, the second crank and slide block; One end of described first crank is fixed on the output shaft of constant speed motor, and one end of the other end and first connecting rod is hinged; The other end of first connecting rod and one end of second connecting rod hinged; The middle part of second connecting rod and one end of third connecting rod hinged, the other end is freely arranged; The other end and the slide block of described third connecting rod are hinged; The second described crank is connected by sliding pair with slide block.Described non-circular gear transmission mechanism comprises initiatively non-circular gear, the first middle non-circular gear, the second middle non-circular gear, the second driven non-circular gear and cam; Described active non-circular gear, the first middle non-circular gear and the second driven non-circular gear are all hinged with frame, and the second middle non-circular gear and the first middle non-circular gear are fixed; Described active non-circular gear engages with the first middle non-circular gear, and the second middle non-circular gear engages with the second driven non-circular gear; Described active non-circular gear and the first crank are fixed; Second driven non-circular gear and the second crank are fixed, and the centre of gyration of the second crank is the hinged center of the second driven non-circular gear and frame; Described cam and frame are fixed, and slide block is connected by cam pair with the chute of cam.
The pitch curve of described active non-circular gear, the first middle non-circular gear, the second middle non-circular gear and the second driven non-circular gear all adopts Archimedes spiral; Described active non-circular gear is identical with the pitch curve shape of the first middle non-circular gear, and the second middle non-circular gear is identical with the pitch curve shape of the second driven non-circular gear.
One end end points that described second connecting rod is freely arranged forms two-ring fastener track; Described two-ring fastener track is to close and with the plane smooth curve of two latch closures, comprise that order head and the tail successively connect enter alms bowl section, get seedling section, fortune seedling section, the section of planting seedlings and reply section; Described the initial segment of getting seedling section is parallel to cave dish dish mouth lower wall and linearity is 1mm/10mm; The initial segment of the described section of planting seedlings vertically is arranged and linearity is 1mm/10mm; Described enters alms bowl section for getting the changeover portion of seedling section.
The beneficial effect that the utility model has:
1, the transplanting track that the utility model realizes meets that pot seedling transplanter is put down into alms bowl, the transplanting agriculture requirement of the seedling that directly lifts seedlings, surely throws; Adopt two-stage non-circular gear to drive the combination with seven-bar mechanism, flexibility is high, makes to get seedling more flexible with the action of planting seedlings.
2, flowers transplanter of the present utility model is adopted can to realize two-ring fastener track, what not only can realize flowers gets seedling action, also the action of planting seedlings of flowers can be realized, thus realize the full-automation of flowers transplanter, can also ensure that flowers are thrown the suitable angle of seedling, speed, the upright degree planted seedlings and meet the agriculture requirement of flowers transplanting better; The utility model also can only for getting seedling action, and now, two-ring fastener track can ensure that flowers vertical drop enters planting mechanism.
3, the utility model structure is simple, compact, flexibility ratio is high, easily can realize the requirement that the crops such as flowers, melon and fruit, vegetables transplant required movement locus.
Accompanying drawing explanation
Fig. 1 is mechanism principle figure of the present utility model;
Fig. 2 is transplanting track schematic diagram of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As shown in Figure 1, a kind of single-degree-of-freedom non-circular gear becomes crank seven bar flowers transplanting mechanism, comprises non-circular gear transmission mechanism and seven bar flowers transplanting mechanisms.Seven bar flowers transplanting mechanisms comprise the first crank 1, first connecting rod 2, third connecting rod 4, second connecting rod 5, second crank 11 and slide block 12; One end of first crank 1 is fixed on the output shaft of constant speed motor, and one end of the other end and first connecting rod 2 is hinged; The other end of first connecting rod 2 and one end of second connecting rod 5 hinged; The middle part of second connecting rod 5 and one end of third connecting rod 4 hinged, the other end is freely arranged; The other end and the slide block 12 of third connecting rod 4 are hinged; Second crank 11 is connected by sliding pair with slide block 12.Non-circular gear transmission mechanism comprises initiatively non-circular gear the 6, first middle non-circular gear 7, second middle non-circular gear 8, second driven non-circular gear 9 and cam 10; Initiatively the middle non-circular gear 7 of non-circular gear 6, first and the second driven non-circular gear 9 all hinged with frame 3, the second middle non-circular gear 8 and the first middle non-circular gear 7 fixing; Initiatively non-circular gear 6 engages with the first middle non-circular gear 7, and the second middle non-circular gear 8 engages with the second driven non-circular gear 9; Initiatively non-circular gear 6 and the first crank 1 are fixed; Second driven non-circular gear 9 and the second crank 11 are fixed, and the centre of gyration of the second crank 11 is the hinged center of the second driven non-circular gear 9 and frame 3; Cam 10 is fixed with frame 3, and slide block 12 is connected by cam pair with the chute of cam 10, and slide block 12 can along the runner movement of cam 10 while sliding on the second crank 11.
Initiatively the pitch curve of non-circular gear 6, the first middle non-circular gear 8 of middle non-circular gear 7, second and the second driven non-circular gear 9 all adopts Archimedes spiral; Initiatively non-circular gear 6 is identical with the pitch curve shape of the first middle non-circular gear 7, and the second middle non-circular gear 8 is identical with the pitch curve shape of the second driven non-circular gear 9.
As shown in Figure 2, one end end points F that second connecting rod 5 is freely arranged forms two-ring fastener track; Two-ring fastener track is to close and with the plane smooth curve of two latch closures, comprise that order head and the tail successively connect enter alms bowl section 6-1, get seedling section 6-2, fortune seedling section 6-3, the section of planting seedlings 6-4 and reply section 6-5; The initial segment of getting seedling section 6-2 is the curved section between q1 and q2, and it is parallel to cave dish dish mouth lower wall and linearity is 1mm/10mm, ensures to take out seedling along vertical native alms bowl direction; The initial segment of the section of planting seedlings 6-4 is the curved section between q3 and q4, and it vertically arranges and linearity is 1mm/10mm, ensures that seedling and planting mechanism only exist relative velocity vertically, is beneficial to and accurately throws seedling; Entering alms bowl section 6-1 is the changeover portion getting seedling section 6-2; Wherein, q1 be two-ring fastener track get seedling starting point, q2 is folder seedling point, and q3 is for planting seedlings starting point, and q4 is the minimum point of two-ring fastener track.Visible, this two-ring fastener track can meet in flowers potted-seedling transplanting gets putting down into alms bowl, directly getting seedling and steady requirement of throwing seedling of seedling.
The operation principle that this single-degree-of-freedom non-circular gear becomes crank seven bar flowers transplanting mechanism is as follows:
As shown in Figure 1, constant speed motor drives the first crank 1 with angular speed
rotate, power divides two-way transmission: road first crank 1 and first connecting rod 2 pass to second connecting rod 5; Another route is fixed on active non-circular gear 6 on the first crank 1 and the first middle non-circular gear 7 engaged transmission, and the second middle non-circular gear 8 and the second driven non-circular gear 9 engaged transmission, drives the second crank 11 with angular speed
rotate; Can along the slide of cam 10 while slide block 12 slides on the second crank 11, its resultant motion can realize the length of change second crank 11.Third connecting rod 4 by the motion transmission of slide block 12 to second connecting rod 5.Two-way power passes to second connecting rod 5, and one end that second connecting rod 5 is freely arranged forms two-ring fastener track.
This single-degree-of-freedom non-circular gear becomes in crank seven bar flowers transplanting mechanism, and the free end of second connecting rod 5 is installed planting mechanism and can be carried out planting operation, and transplants track and meet in flowers potted-seedling transplanting and get putting down into alms bowl, directly getting seedling and steady requirement of throwing seedling of seedling.
Claims (3)
1. single-degree-of-freedom non-circular gear becomes a crank seven bar flowers transplanting mechanism, comprises non-circular gear transmission mechanism and seven bar flowers transplanting mechanisms, it is characterized in that:
Seven described bar flowers transplanting mechanisms comprise the first crank, first connecting rod, third connecting rod, second connecting rod, the second crank and slide block; One end of described first crank is fixed on the output shaft of constant speed motor, and one end of the other end and first connecting rod is hinged; The other end of first connecting rod and one end of second connecting rod hinged; The middle part of second connecting rod and one end of third connecting rod hinged, the other end is freely arranged; The other end and the slide block of described third connecting rod are hinged; The second described crank is connected by sliding pair with slide block; Described non-circular gear transmission mechanism comprises initiatively non-circular gear, the first middle non-circular gear, the second middle non-circular gear, the second driven non-circular gear and cam; Described active non-circular gear, the first middle non-circular gear and the second driven non-circular gear are all hinged with frame, and the second middle non-circular gear and the first middle non-circular gear are fixed; Described active non-circular gear engages with the first middle non-circular gear, and the second middle non-circular gear engages with the second driven non-circular gear; Described active non-circular gear and the first crank are fixed; Second driven non-circular gear and the second crank are fixed, and the centre of gyration of the second crank is the hinged center of the second driven non-circular gear and frame; Described cam and frame are fixed, and slide block is connected by cam pair with the chute of cam.
2. a kind of single-degree-of-freedom non-circular gear according to claim 1 becomes crank seven bar flowers transplanting mechanism, it is characterized in that: the pitch curve of described active non-circular gear, the first middle non-circular gear, the second middle non-circular gear and the second driven non-circular gear all adopts Archimedes spiral; Described active non-circular gear is identical with the pitch curve shape of the first middle non-circular gear, and the second middle non-circular gear is identical with the pitch curve shape of the second driven non-circular gear.
3. a kind of single-degree-of-freedom non-circular gear according to claim 1 becomes crank seven bar flowers transplanting mechanism, it is characterized in that: one end end points that described second connecting rod is freely arranged forms two-ring fastener track; Described two-ring fastener track is to close and with the plane smooth curve of two latch closures, comprise that order head and the tail successively connect enter alms bowl section, get seedling section, fortune seedling section, the section of planting seedlings and reply section; Described the initial segment of getting seedling section is parallel to cave dish dish mouth lower wall and linearity is 1mm/10mm; The initial segment of the described section of planting seedlings vertically is arranged and linearity is 1mm/10mm; Described enters alms bowl section for getting the changeover portion of seedling section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520140751.3U CN204498674U (en) | 2015-03-12 | 2015-03-12 | A kind of single-degree-of-freedom non-circular gear becomes crank seven bar flowers transplanting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520140751.3U CN204498674U (en) | 2015-03-12 | 2015-03-12 | A kind of single-degree-of-freedom non-circular gear becomes crank seven bar flowers transplanting mechanism |
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| Publication Number | Publication Date |
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| CN204498674U true CN204498674U (en) | 2015-07-29 |
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| CN201520140751.3U Expired - Fee Related CN204498674U (en) | 2015-03-12 | 2015-03-12 | A kind of single-degree-of-freedom non-circular gear becomes crank seven bar flowers transplanting mechanism |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104663088A (en) * | 2015-03-12 | 2015-06-03 | 浙江理工大学 | Seven-rod flowers and plants translating mechanism with variable crank with single degree of freedom and non-circular gear |
| CN105519289A (en) * | 2016-01-14 | 2016-04-27 | 浙江理工大学 | Closed-chain five-link transplanting mechanism for flowers and plants and design method therefor |
-
2015
- 2015-03-12 CN CN201520140751.3U patent/CN204498674U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104663088A (en) * | 2015-03-12 | 2015-06-03 | 浙江理工大学 | Seven-rod flowers and plants translating mechanism with variable crank with single degree of freedom and non-circular gear |
| CN104663088B (en) * | 2015-03-12 | 2017-02-08 | 浙江理工大学 | Seven-rod flowers and plants translating mechanism with variable crank with single degree of freedom and non-circular gear |
| CN105519289A (en) * | 2016-01-14 | 2016-04-27 | 浙江理工大学 | Closed-chain five-link transplanting mechanism for flowers and plants and design method therefor |
| CN105519289B (en) * | 2016-01-14 | 2017-06-23 | 浙江理工大学 | The method for designing of the bar flowers transplanter structure of closed chain five |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20170312 |
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| CF01 | Termination of patent right due to non-payment of annual fee |