CN105359688A - Disc suction type seed metering device anti-clogging hole cleaning apparatus and method thereof - Google Patents

Disc suction type seed metering device anti-clogging hole cleaning apparatus and method thereof Download PDF

Info

Publication number
CN105359688A
CN105359688A CN201510809622.3A CN201510809622A CN105359688A CN 105359688 A CN105359688 A CN 105359688A CN 201510809622 A CN201510809622 A CN 201510809622A CN 105359688 A CN105359688 A CN 105359688A
Authority
CN
China
Prior art keywords
sucker
brush
limit switch
seed
panel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201510809622.3A
Other languages
Chinese (zh)
Other versions
CN105359688B (en
Inventor
赵湛
吴亚芳
黄贺东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu University
Original Assignee
Jiangsu University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu University filed Critical Jiangsu University
Priority to CN201510809622.3A priority Critical patent/CN105359688B/en
Publication of CN105359688A publication Critical patent/CN105359688A/en
Application granted granted Critical
Publication of CN105359688B publication Critical patent/CN105359688B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C7/00Sowing
    • A01C7/20Parts of seeders for conducting and depositing seed

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Sowing (AREA)

Abstract

The invention provides a disc suction type seed metering device anti-clogging hole cleaning apparatus and a method thereof. The device comprises a suction disc, seed cleaning brushes, a brush plate, a right angle support, a transmission mechanism, a flange bearing seat, a left limit switch and a right limit switch. The seed cleaning brushes made of a high elastic material are mounted in the suction disc inner cavity of the disc suction type seed metering device, and brush grooves are processed on the suction hole array of the panel. During positive pressure seed metering operation of the seed metering device, a stepper motor drives the seed cleaning brushes to do reciprocating linear movement in the suction disc inner cavity, the ends of the seed cleaning brushes are located in the brush grooves, by means of the elastic restoring force of the seed cleaning brushes, the ends of the seed cleaning brushes stretch into the suction holes and generate a contact force toward the outside of the suction holes to the grains, glumes or other impurities stuck in the suction holes, and under the combined action of the contact force and the positive pressure air current, the hole cleaning effect can be reached, and the continuous operation performance of the seed metering device is improved.

Description

A kind of dish draught type seed sowing device anti-clogging hole cleaning device and method thereof
Technical field
The invention belongs to accurate seedling planting technical field, be specifically related to a kind of dish draught type seed sowing device anti-clogging hole cleaning device and method thereof.
Background technology
Seedling planting is an important step of agricultural production, and seeding unit is then the core component realizing mechanization precise sowing.Dish draught type seed sowing device is primarily of vibration seed tray and sucker two parts composition, small size high-frequency excitation is applied by giving kind of a dish, population presents discrete state in kind of dish, require to process sucker on sucker according to sowing, by applying negative pressure of vacuum to sucker, seed is attracted in sucker, then to move to above seedling-cultivating tray behind appropriate location with sucker, carry out positive/negative-pressure conversion, malleation is formed in sucker, seed leaves sucker under deadweight and positive pressure, fall in the seedling-cultivating tray hole that corresponds, change the structure of sucker, quantity and combination, every cave Seeding Quantity can be controlled, there is injuring-free seed, versatility is good, adaptable feature.
Sucker blocking affects the subject matter that dish draught type seed sowing device works continuously, and when carrying out the close seeding and growing seedling of rice precision, this problem is particularly outstanding.Rice grain is primarily of clever shell and brown rice composition, and the quality of clever shell is light, have certain elasticity, under suction kind of negative-pressure air-flow field action, grain husk shell easily snaps in sucker mouth, reduce negative-pressure air-flow aisle spare, reduce the suction kind ability of sucker, thus cause the raising of leaking suction rate; In some cases, after some seed is adsorbed, affect by factors such as its out-of-shape, rough surface and absorption attitudes, only rely on deadweight and positive pressure during sowing, seed cannot fall, and causes sucker to block, and directly causes broadcast leakage.Therefore, how to design a kind of hole cleaning device being applied to dish suction, to avoid in operation process sucker blocking, raising seeding unit is worked continuously performance, has important theory significance and practical value, report there are no open research at present.
Summary of the invention
The object of this invention is to provide a kind of dish draught type seed sowing device anti-clogging hole cleaning device and method thereof; by the clear kind brush made at sucker inner chamber design highly elastic material; and brush groove is processed on the sucker array of sucker panel; in seeding unit malleation seeding operation process; by planting clearly brush, the impurity such as the seed be stuck in sucker or clever shell are produced towards the contact force outside sucker; under the acting in conjunction of contact force and malleation air-flow, play hole clearly act on; effectively can improve clear hole effect, improve seeding unit and to work continuously performance.
Technical scheme of the present invention is: a kind of dish draught type seed sowing device anti-clogging hole cleaning device, comprises sucker, some clear kind brushes, brush board, right angle rack, transmission mechanism, flange shaft bearing, left limit switch and right limit switch;
Described sucker comprises tracheae, top cover, front side board, back side panel, left plate, right plate and panel; Described tracheae is fixedly mounted on the top center of described top cover, described cap base is rectangular, described cap base surrounding is fixedly connected with the upper end of right plate with described front side board, back side panel, left plate respectively, and described panel is fixedly connected with the lower end of right plate with front side board, back side panel, left plate respectively; Described panel is processed the sucker of arranged in arrays, described clear kind brush is fixedly mounted on described brush board, and the described clear position of brushing of planting is corresponding with described sucker array; The inner side of described front side board and back side panel fixedly mounts a line slideway respectively, and two described line slideways are parallel to each other, and described brush board two ends fixedly mount a slide block respectively, and described slide block and described line slideway are slidably connected;
Described transmission mechanism comprises screw mandrel, stepper motor and feed screw nut; Described feed screw nut is fixedly mounted on the perpendicular end surface of described right angle rack; The horizontal end face of described right angle rack is fixedly mounted on the centre position of described brush board;
Described stepper motor is fixedly mounted on described left plate outer side center position, and described flange shaft bearing is fixedly mounted on described right plate outer side center position, installs end cap outside described flange shaft bearing;
One end of described screw mandrel is fixedly connected with the output shaft of described stepper motor, and the other end is arranged in described flange shaft bearing through described feed screw nut;
Described left limit switch fixedly mounts on described left plate, and described right limit switch is arranged on described right plate.
In such scheme, described panel inner surface is provided with some brush grooves along described screw mandrel axis direction, and the position of described brush groove is corresponding with described sucker array, and described clear end of planting brush is positioned at described brush groove;
Further, the cross section of described brush groove is rectangle or triangle.
Further, described brush well width is 1.5 ~ 3 times of described hole sucting diameter.
In such scheme, described clear kind brush is made up of high resiliency nylon material.
In such scheme, the described clear length L planting brush equals described brush board bottom surface to 1.3 ~ 1.6 times of described panel inner surface distance d.
In such scheme, described front side board, back side panel, left plate, between right plate and top cover, described front side board, back side panel, left plate, between right plate and panel, between described flange shaft bearing and described end cap, outside described right plate and between described flange shaft bearing, and respectively sealing gasket is installed outside described left plate and between described stepper motor.
According to a clear hole method for described dish draught type seed sowing device anti-clogging hole cleaning device, comprise the following steps:
S1, be fixedly connected with the air chamber of seeding unit by described tracheae, described stepper motor, left limit switch and right limit switch are electrically connected with the controller of seeding unit, and controller controls start-up time and the rotating speed of described stepper motor 19;
S2, suction kind of a step, start seeding unit, moved to by described sucker above vibration seed case, apply negative pressure of vacuum to described sucker, formation negative-pressure air-flow field in the sucker on described panel, and seed is adsorbed onto in described sucker under negative-pressure air-flow field action;
S3, seeding step, move to above seedling-cultivating tray behind appropriate location by described sucker, carries out positive/negative-pressure conversion, forms malleation in described sucker, and seed leaves described sucker under deadweight and positive pressure, falls into the seedling-cultivating tray corresponded;
S4, clear hole step, after the inner chamber of described sucker is converted to malleation, start described stepper motor, described brush board does reciprocating linear motion along described line slideway at described sucker inner chamber, described brush board moves to the position of described right limit switch from described left limit switch, or move to the position of described left limit switch from described right limit switch, described clear kind of brush end is in elasticity of flexure deformation state in described brush groove, when described clear kind of brush end moves to described sucker position along with described brush board in described brush groove, under the effect of described clear kind of brush elastic restoring force, described clear kind of brush end stretches in described sucker, direction is produced towards the contact force outside sucker to the seed in described sucker or impurity, under described clear acting in conjunction of planting contact force and the malleation air-flow brushed, impel and be stuck in seed in described sucker or impurity falls, stop when described brush board moves to the position of described left limit switch or described right limit switch having moved cleaning.
The invention has the beneficial effects as follows: the described clear kind that compared with prior art the present invention makes at the sucker inner chamber installation highly elastic material of dish draught type seed sowing device is brushed, and described brush groove is processed on the sucker array of described panel, in seeding unit malleation seeding operation process, moved as reciprocating linear in described sucker inner chamber by brush of planting clear described in described driving stepper motor, described clear end of planting brush is positioned at described brush groove, utilize described clear elastic restoring force of planting brush, stretch in sucker at described clear kind of brush end, the impurity such as the seed be stuck in described sucker or clever shell are produced towards the contact force outside sucker, under the acting in conjunction of contact force and malleation air-flow, play hole clearly act on.
Accompanying drawing explanation
Fig. 1 is the dish draught type seed sowing device anti-clogging hole cleaning device front view of one embodiment of the invention;
Fig. 2 is the dish draught type seed sowing device anti-clogging hole cleaning device vertical view of one embodiment of the invention;
Fig. 3 is the dish draught type seed sowing device anti-clogging hole cleaning device left view of one embodiment of the invention;
Fig. 4 is the dish draught type seed sowing device rectangle brush groove structural representation of one embodiment of the invention;
Fig. 5 is the dish draught type seed sowing device triangle brush groove structural representation of one embodiment of the invention;
Fig. 6 is the clear hole Principle of Process figure of dish draught type seed sowing device anti-clogging of one embodiment of the invention.
In figure: 1, tracheae; 2, top cover; 3, sealing gasket one; 4, back side panel; 5, right plate; 6, flange shaft bearing; 7, sealing gasket two; 8, end cap; 9, sealing gasket three; 10, sealing gasket four; 11, right limit switch; 12, panel; 13, front side board; 14, screw mandrel; 15, slide block; 16, brush is planted clearly; 17, left limit switch; 18, left plate; 19, stepper motor; 20, sealing gasket five; 21, feed screw nut; 22, brush board; 23, right angle rack; 24, line slideway; 25, sucker; 26, brush groove; 27, sucker.
Embodiment
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail, but protection scope of the present invention is not limited to this.
The present invention is used for the accurate seeding and growing seedling of the out-of-shapes such as paddy rice, small particles seed.For some seed, grain husk shells etc. are by after the sucker absorption on sucker, by its out-of-shape, the factor impacts such as rough surface and absorption attitude, deadweight and positive pressure is only relied on to fall, sucker is caused to block, cause the problem that leakage sowing rate is high, propose to install at seeding unit seeds sucker inner chamber to be made by highly elastic material, can along the clear kind brush of sucker orientation do reciprocating linear movement, utilize clear elastic restoring force of planting brush, clear kind of brush end stretches in sucker, the impurity such as the seed be stuck in sucker or clever shell are produced towards the contact force outside sucker, and with the acting in conjunction of malleation air-flow under play hole clearly and act on, effectively can improve seeding unit to work continuously performance.
Fig. 1, Fig. 2 and Figure 3 shows that a kind of embodiment of dish draught type seed sowing device anti-clogging hole cleaning device of the present invention, described dish draught type seed sowing device anti-clogging hole cleaning device comprises sucker 27, some clear kind of brushes 16, brush board 22, right angle rack 23, transmission mechanism, flange shaft bearing 6, left limit switch 17, right limit switch 11 and some brush grooves 26.
Described sucker 27 comprises tracheae 1, top cover 2, front side board 13, back side panel 4, left plate 18, right plate 5 and panel 12;
Described tracheae 1 is mounted by means of bolts on the top center of described top cover 2, rectangular bottom described top cover 2, bottom described top cover 2, surrounding is fixedly connected with the upper end of right plate 5 with described front side board 13, back side panel 4, left plate 18 respectively by bolt, and the lower end of described front side board 13, back side panel 4, left plate 18 and right plate 5 is bolted to connection described panel 12; Described front side board 13, back side panel 4, left plate 18, between right plate 5 and top cover 2, install sealing gasket 1 additional; Described front side board 13, back side panel 4, left plate 18, install sealing gasket 4 10 additional between right plate 5 and panel 12, to ensure the air-tightness of described sucker 27.
The inner side of described front side board 13 and described back side panel 4 fixedly mounts a line slideway 24 respectively by bolt, two described line slideways 24 are parallel to each other, described brush board 22 two ends fixedly mount a slide block 15 respectively, described slide block 15 is slidably connected with described line slideway 24, and described slide block 15 can be free to slide on described line slideway 24;
Described transmission mechanism comprises screw mandrel 14, stepper motor 19 and feed screw nut 21;
Described right angle rack 23 comprises perpendicular end surface and horizontal end face;
Described feed screw nut 21 is mounted by means of bolts on the perpendicular end surface of described right angle rack 23; The horizontal end face of described right angle rack 23 is mounted by means of bolts on the centre position of described brush board 22;
Described stepper motor 19 is mounted by means of bolts on described left plate 18 outer side center position, installs sealing gasket 5 20 additional outside described left plate 18 and between described stepper motor 19; Described flange shaft bearing 6 is mounted by means of bolts on described right plate 5 outer side center position, installs end cap 8 outside described flange shaft bearing 6; Outside described right plate 5 and between described flange shaft bearing 6, sealing gasket 39 is installed; Between described flange shaft bearing 6 and described end cap 8, sealing gasket 27 is installed, to ensure the air-tightness of described sucker 27.
One end of described screw mandrel 14 is fixedly connected with the output shaft of described stepper motor 19, and the other end is arranged in described flange shaft bearing 6 through described feed screw nut 21, ensures that the axis of described screw mandrel 14 is parallel with described line slideway 24.
Described panel 12 is processed the sucker 25 of arranged in arrays, the structure of described sucker 25 can be straight hole, taper hole, counterbore, indent hole etc., and described clear kind of brush 16 is fixedly mounted on described brush board 22, and the position of described clear kind of brush 16 is corresponding with described sucker 25 array.Described panel 12 inner surface is provided with some brush grooves 26 along described screw mandrel 14 axis direction, and the position of described brush groove 26 is corresponding with described sucker 25 array, and the end of described clear kind of brush 16 is positioned at described brush groove 26; The cross section of described brush groove 26 is rectangle, as shown in Figure 4, or triangle, as shown in Figure 5.Described brush groove 26 width is preferably 1.5 ~ 3 times of described sucker 25 diameter, is beneficial to described clear kind of brush 16 end mobile in described brush groove 26.
Described clear kind of brush 16 is preferably made up of high resiliency nylon material.
The length L of described clear kind of brush 16 is greater than the distance d of described brush board 22 bottom surface to described panel 12 inner surface, preferably L=(1.3 ~ 1.6) d, to ensure good elastic deformation, described clear kind of brush 16 is in elasticity of flexure deformation state after installing, and the end of described clear kind of brush 16 is positioned at described brush groove 26.
Described left limit switch 17 fixedly mounts on described left plate 18, and described right limit switch 11 is arranged on described right plate 5.Described left limit switch 17 and described right limit switch 11 are electrically connected with the controller of seeding unit, when described brush board 22 moves to described left limit switch 17 or described right limit switch 11, limit signal is sent to controller by described left limit switch 17 or described right limit switch 11, controller controls described stepper motor 19 and quits work, and described brush board 22 is stopped mobile.
Dish draught type seed sowing device operation process mainly comprises inhaling plants and seeding two processes: namely apply negative pressure of vacuum to described sucker 27, seed is attracted in described sucker 25, then described sucker 27 to move to above seedling-cultivating tray behind appropriate location, carry out positive/negative-pressure conversion, malleation is formed in described sucker 27, seed leaves described sucker 25 under deadweight and positive pressure, falls in the seedling-cultivating tray hole that corresponds.Anti-clogging clear hole operation is then carry out in the seeding process after completing positive/negative-pressure conversion.
A left side for described brush board 22 movement, right position provides displacement signal to realize controlling by described left limit switch 17 and described right limit switch 11 to controller, during clear hole operation, when described brush board 22 moves to described right limit switch 11 from described left limit switch 17, described stopping right limit switch 11 sends displacement signal to described controller, described controller controls described stepper motor 19 and quits work within a certain period of time, described brush board 22 is stopped within a certain period of time mobile, described clear kind of brush 16 completes the once cleaning to sucker whole on described panel 12, after described sucker 27 moves to and carries out repeating to inhale kind of process above vibration seed case, move to above seedling-cultivating tray and carry out seeding, when carry out clearly hole step time described controller control again described stepper motor 19 and start, stop mobile when making to move to described left limit switch 17 described in described brush board 22 from right limit switch 11, complete the cleaning again to sucker whole on described panel 12, the translational speed of described brush board 22 can be regulated by described stepper motor 19.
According to a clear hole method for described dish draught type seed sowing device anti-clogging hole cleaning device, comprise the following steps:
S1, be fixedly connected with the air chamber of seeding unit by described tracheae 1, described stepper motor 19 accesses stepper motor driver, and stepper motor driver, left limit switch 17 and right limit switch 11 are electrically connected with the controller of seeding unit; Described controller controls start-up time and the rotating speed of described stepper motor 19 by controlling described stepper motor driver; Controller controls the limit signal that described left limit switch 17 and described right limit switch 11 are supplied to the movement of described brush board 22;
S2, suction kind of a step, start seeding unit, move to above vibration seed case, apply negative pressure of vacuum to described sucker 27 by described sucker 27, and form negative-pressure air-flow field in the sucker 25 on described panel 12, seed is adsorbed onto in described sucker 25 under negative-pressure air-flow field action;
S3, seeding step, move to above seedling-cultivating tray behind appropriate location by described sucker 27, carry out positive/negative-pressure conversion, and form malleation in described sucker 27, seed leaves described sucker 25 under deadweight and positive pressure, falls into the seedling-cultivating tray corresponded;
S4, clear hole step, deadweight and malleation is only relied on to fall in order to solve some seed, or the impurity such as clever shell snap in sucker mouth, cause the suction kind reduced capability of described sucker 25, the problem that transaction capabilities reduces, described stepper motor 19 is started after the inner chamber of described sucker 27 is converted to malleation, at described stepper motor 19, under the driving of the thread transmission that described screw mandrel 14 and described feed screw nut 21 are formed, described brush board 22 along described line slideway 24 at described sucker 27 inner chamber moving linearly, described brush board 22 moves to the position of described right limit switch 11 from described left limit switch 17, or move to the position of described left limit switch 17 from described right limit switch 11, described clear kind of brush 16 end be arranged on described brush board 22 is in elasticity of flexure deformation state in described brush groove 26, described clear kind of brush 16 end is along with the movement in described brush groove 26 of described brush board 22, as shown in Figure 6, the translational speed of described brush board 22 can be regulated by described stepper motor 19, when described clear kind of brush 16 end moves to described sucker 25 position, under elastic restoring force effect, described clear kind of brush 16 end stretches in described sucker 25, direction is produced towards the contact force outside sucker to the seed in described sucker 25 or impurity, under the contact force of described clear kind of brush 16 and the acting in conjunction of malleation air-flow, impel and be stuck in seed in described sucker 25 or impurity falls, stop when described brush board 22 moves to the position of described left limit switch 17 or described right limit switch 11 having moved cleaning.
The factors such as the movement velocity of the size of described contact force and the material of described clear kind of brush 16, elastic deformation and described brush board 22 are relevant.Due to the lighter weight of the impurity such as seed or clever shell; in clear kind of process; described sucker inner chamber is malleation; described sucker 25 place is blowing gas stream laterally; under the contact force of described clear kind of brush 16 and the acting in conjunction of malleation air-flow, the impurity such as the seed that is stuck in described sucker 25 place or clever shell can be effectively impelled to fall.According to the sowing requirement of different material, high resiliency nylon material is preferably selected to make described clear kind of brush 16, optimize the length of described clear kind of brush 16 to ensure good elastic deformation, rationally to determine the translational speed of described brush board 22 by test, effectively can improve clear hole effect, improve seeding unit and to work continuously performance.
Described embodiment is preferred embodiment of the present invention; but the present invention is not limited to above-mentioned embodiment; when not deviating from flesh and blood of the present invention, any apparent improvement that those skilled in the art can make, replacement or modification all belong to protection scope of the present invention.

Claims (8)

1. a dish draught type seed sowing device anti-clogging hole cleaning device, it is characterized in that, comprise sucker (27), some clear kind brush (16), brush board (22), right angle rack (23), transmission mechanism, flange shaft bearing (6), left limit switch (17) and right limit switch (11);
Described sucker (27) comprises tracheae (1), top cover (2), front side board (13), back side panel (4), left plate (18), right plate (5) and panel (12); Described tracheae (1) is fixedly mounted on the top center of described top cover (2), described top cover (2) bottom is rectangular, described top cover (2) bottom surrounding is fixedly connected with the upper end of right plate (5) with described front side board (13), back side panel (4), left plate (18) respectively, and described panel (12) is fixedly connected with the lower end of right plate (5) with front side board (13), back side panel (4), left plate (18) respectively; The sucker (25) of described panel (12) upper processing arranged in arrays, described clear kind brush (16) is fixedly mounted on described brush board (22), and the described clear position of brushing (16) of planting is corresponding with described sucker (25) array; The inner side of described front side board (13) and back side panel (4) fixedly mounts a line slideway (24) respectively, two described line slideways (24) are parallel to each other, described brush board (22) two ends fixedly mount a slide block (15) respectively, and described slide block (15) and described line slideway (24) are slidably connected;
Described transmission mechanism comprises screw mandrel (14), stepper motor (19) and feed screw nut (21); Described feed screw nut (21) is fixedly mounted on the perpendicular end surface of described right angle rack (23); The horizontal end face of described right angle rack (23) is fixedly mounted on the centre position of described brush board (22);
Described stepper motor (19) is fixedly mounted on described left plate (18) outer side center position, described flange shaft bearing (6) is fixedly mounted on described right plate (5) outer side center position, and end cap (8) is installed in described flange shaft bearing (6) outside;
One end of described screw mandrel (14) is fixedly connected with the output shaft of described stepper motor (19), and the other end is arranged on described flange shaft bearing (6) through described feed screw nut (21);
Described left limit switch (17) fixedly mounts on described left plate (18), and described right limit switch (11) is arranged on described right plate (5).
2. dish draught type seed sowing device anti-clogging hole cleaning device according to claim 1, it is characterized in that, described panel (12) inner surface is provided with some brush grooves (26) along described screw mandrel (14) axis direction, the position of described brush groove (26) is corresponding with described sucker (25) array, and described clear end of planting brush (16) is positioned at described brush groove (26).
3. dish draught type seed sowing device anti-clogging hole cleaning device according to claim 2, is characterized in that, the cross section of described brush groove (26) is rectangle or triangle.
4. dish draught type seed sowing device anti-clogging hole cleaning device according to claim 2, is characterized in that, described brush groove (26) width is 1.5 ~ 3 times of described sucker (25) diameter.
5. dish draught type seed sowing device anti-clogging hole cleaning device according to claim 1, is characterized in that, described clear kind brush (16) is made up of high resiliency nylon material.
6. dish draught type seed sowing device anti-clogging hole cleaning device according to claim 1, it is characterized in that, the described clear length L planting brush (16) equals described brush board (22) bottom surface to 1.3 ~ 1.6 times of described panel (12) inner surface distance d.
7. dish draught type seed sowing device anti-clogging hole cleaning device according to claim 1, it is characterized in that, described front side board (13), back side panel (4), left plate (18), between right plate (5) and top cover (2), described front side board (13), back side panel (4), left plate (18), between right plate (5) and panel (12), between described flange shaft bearing (6) and described end cap (8), between described right plate (5) outside and described flange shaft bearing (6), and respectively sealing gasket is installed between described left plate (18) outside and described stepper motor (19).
8. coil a clear hole method for draught type seed sowing device anti-clogging hole cleaning device according to claim 1, it is characterized in that, comprise the following steps:
S1, described tracheae (1) to be fixedly connected with the air chamber of seeding unit, described stepper motor (19), left limit switch (17) and right limit switch (11) are electrically connected with the controller of seeding unit, and controller controls start-up time and the rotating speed of described stepper motor 19;
S2, suction kind of a step, start seeding unit, described sucker (27) is moved to above vibration seed case, negative pressure of vacuum is applied to described sucker (27), form negative-pressure air-flow field in sucker (25) on described panel (12), seed is adsorbed onto in described sucker (25) under negative-pressure air-flow field action;
S3, seeding step, described sucker (27) to be moved to above seedling-cultivating tray behind appropriate location, carry out positive/negative-pressure conversion, malleation is formed in described sucker (27), seed leaves described sucker (25) under deadweight and positive pressure, falls into the seedling-cultivating tray corresponded;
S4, clear hole step, after the inner chamber of described sucker (27) is converted to malleation, start described stepper motor (19), described brush board (22) does reciprocating linear motion along described line slideway (24) at described sucker (27) inner chamber, described brush board (22) moves to the position of described right limit switch (11) from described left limit switch (17), or move to the position of described left limit switch (17) from described right limit switch (11), described clear kind brush (16) end is in elasticity of flexure deformation state in described brush groove, when described clear kind brush (16) end moves to described sucker (25) position along with described brush board (22) in described brush groove (26), under (16) the elastic restoring force effect of described clear kind brush, described clear kind brush (16) end stretches in described sucker (25), direction is produced towards the contact force outside sucker to the seed in described sucker (25) or impurity, under the described clear kind brush contact force of (16) and the acting in conjunction of malleation air-flow, impel and be stuck in seed in described sucker (25) or impurity falls, stop when described brush board (22) moves to the position of described left limit switch (17) or described right limit switch (11) having moved cleaning.
CN201510809622.3A 2015-11-20 2015-11-20 One discharge plate draught type seed sowing device anti-clogging hole cleaning device and its method Expired - Fee Related CN105359688B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510809622.3A CN105359688B (en) 2015-11-20 2015-11-20 One discharge plate draught type seed sowing device anti-clogging hole cleaning device and its method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510809622.3A CN105359688B (en) 2015-11-20 2015-11-20 One discharge plate draught type seed sowing device anti-clogging hole cleaning device and its method

Publications (2)

Publication Number Publication Date
CN105359688A true CN105359688A (en) 2016-03-02
CN105359688B CN105359688B (en) 2017-06-27

Family

ID=55362793

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510809622.3A Expired - Fee Related CN105359688B (en) 2015-11-20 2015-11-20 One discharge plate draught type seed sowing device anti-clogging hole cleaning device and its method

Country Status (1)

Country Link
CN (1) CN105359688B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110741783A (en) * 2019-09-11 2020-02-04 江苏大学 Seed cleaning device and air vibration disc type seedling raising and seeding machine and automatic seed cleaning system thereof
CN115024060A (en) * 2022-05-23 2022-09-09 江苏大学 Fluidized seed disc device for air-suction type precise seed sowing device and control method thereof

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6352042B1 (en) * 2000-10-10 2002-03-05 Deere & Company Internal seed knockout assembly
CN201499442U (en) * 2009-08-10 2010-06-09 李金泽 Brush-type seed cleaning air suction seed metering device
CN103141191B (en) * 2013-03-27 2015-05-27 江苏大学 Air suction plate type seeder
CN103380668B (en) * 2013-07-30 2015-10-07 常州市风雷精密机械有限公司 A kind of tray seeder
CN103404277B (en) * 2013-08-30 2015-07-08 江苏大学 Movable seed brush device capable of controlling seed layer uniformity
CN103749048B (en) * 2014-01-07 2015-12-30 石河子大学 One is dual-cavity drum dibbler side by side

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110741783A (en) * 2019-09-11 2020-02-04 江苏大学 Seed cleaning device and air vibration disc type seedling raising and seeding machine and automatic seed cleaning system thereof
CN110741783B (en) * 2019-09-11 2021-06-22 江苏大学 Seed cleaning device and air vibration disc type seedling raising and seeding machine and automatic seed cleaning system thereof
CN115024060A (en) * 2022-05-23 2022-09-09 江苏大学 Fluidized seed disc device for air-suction type precise seed sowing device and control method thereof
CN115024060B (en) * 2022-05-23 2024-03-19 江苏大学 Fluidization seed tray device for air suction type precise seed metering device and control method thereof

Also Published As

Publication number Publication date
CN105359688B (en) 2017-06-27

Similar Documents

Publication Publication Date Title
CN102349382B (en) Pneumatic dibbling seed feeding device
CN107896587A (en) A kind of aspirated-air type high speed precise seeder with auxiliary seed-filling effect discharge plate
CN102668784B (en) Roller type tray seedling planter capable of supplying seeds based on airflow suspension
CN101116385A (en) Gas suction type industrialized paddy rice seedling raising disk broadcasting device
CN104067737B (en) A kind of blockage resisting is without leaking the Pneumatic type hole plate seedling growth precision metering device method and device planted
CN203675584U (en) Airflow disturbance precise seed-metering device
CN109496504A (en) Double plate high speed Pneumatic type bud kind precise seeder
CN105359688A (en) Disc suction type seed metering device anti-clogging hole cleaning apparatus and method thereof
CN110952903B (en) Connecting curtain wall window
CN2879626Y (en) Magnetic drum type precision seeding apparatus
CN107736112B (en) Mechanical and pneumatic combined vegetable precision seed sowing device
CN105723887A (en) Gas suction vibration drum type precise sowing device
CN205305385U (en) Cylinder precise seed -metering device of vibration is inhaled to gas
CN103563529B (en) A kind of band clamping seed sowing device
CN106773966A (en) A kind of air-suction seeding unit sucker inhales the adaptive controller and method of kind of position
CN110410890B (en) Air purification system adopting anion technology and having wide action range
CN115024060B (en) Fluidization seed tray device for air suction type precise seed metering device and control method thereof
CN101690448A (en) Universal pneumatic seed-metering device for soy beans and corn
CN103733775B (en) Pneumatic roller type tray seeder
CN115517053A (en) Pneumatic large-particle-size seed precision seed sowing device in synchronous belt
CN216442336U (en) Abrasive flow sand blasting mechanism
WO2022217664A1 (en) Blowing-suction type electromagnetic vibration precision seeding device and control method therefor
CN111587638B (en) Double-side precise seed taking paddy rice hole direct seeding mechanism
CN203537804U (en) Ejection removal type seed metering device with clamping function
CN207612602U (en) A kind of aspirated-air type high speed precise seeder with auxiliary seed-filling effect discharge plate

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170627

Termination date: 20171120