CN108636802A

CN108636802A - A kind of rice seed selection device

Info

Publication number: CN108636802A
Application number: CN201810387515.XA
Authority: CN
Inventors: 夏可刚
Original assignee: Fenggang Hongfa Industry Ltd Co
Current assignee: Fenggang Hongfa Industry Ltd Co
Priority date: 2018-04-26
Filing date: 2018-04-26
Publication date: 2018-10-12
Anticipated expiration: 2038-04-26
Also published as: CN108636802B

Abstract

This application discloses a kind of rice in cereal material sieving technology field seed selection device, including case of choosing seeds, quantitative feeding mechanism, primary election mechanism and recleaner structure are equipped in seed selection case, primary election mechanism includes wind turbine, support plate and two supporting rods for being used to stretch；Case of choosing seeds is equipped with air inlet and outlet and discharge port, air outlet is oppositely arranged with wind turbine, recleaner structure includes lower screen cloth and the upper screen cloth below cushion, it is equipped with sieve pore on upper screen cloth and lower screen cloth, upper screen cloth is fixed on the madial wall of seed selection case, upper screen cloth is arranged diagonally downward towards cushion, the interior bottom of seed selection case is equipped with connecting rod, connecting rod is fixed with lower screen cloth, lower screen cloth is in the lower section of upper screen cloth, lower screen cloth is with the inclined direction of upper screen cloth on the contrary, the downward one end of lower screen cloth is connected to discharge port.This programme solves the problems, such as that the prior art cannot fully remove the shrivelled kernel in paddy.

Description

A kind of rice seed selection device

Technical field

The present invention relates to cereal material sieving technology fields, and in particular to a kind of rice seed selection device.

Background technology

Peasant is required for carrying out seed selection work to paddy seeds before sowing at present, need according to the size of seed into Row categorizing selection, but the quality of paddy differs, and many shrivelled kernels are often mixed with inside paddy seeds, if shrivelled kernel is mixed into paddy seeds In sow together, since shrivelled kernel will not germinate, cause the later stage need reseed, will manually select the select workload of shrivelled kernel again Greatly, efficiency is low；The prior art has carries out sifting sort using screening machine, and existing screening machine includes vibrating screen and for making to shake Dynamic sieve up-down vibration or the actuating unit of side-to-side movement, during vibrating screen drives seed movement, impurity passes through vibration The sieve pore of sieve is detached with seed, but the movement locus of the seed on vibrating screen is all roughly the same, and due to the effect of inertia, sieve On seed be easy accumulation, seed not can be uniformly dispersed on sieve, and then be easy to block sieve pore, and the screening effect of seed is not It is ideal.

Also the difference of with good grounds cereal and shrivelled kernel aerodynamic property detaches seed and shrivelled kernel using air-flow, Referred to as pneumatic concentration.But such method only merely guides the wind that wind turbine is blown into paddy, some shrivelled kernels can be under the action of the forces of the wind It is detached with paddy, but also has some to be difficult to be blown away because of being mixed in paddy, screening effect is poor.

Invention content

It, cannot be fully by the shrivelled kernel in paddy to solve the prior art the invention is intended to provide a kind of rice seed selection device The problem of removing.

In order to solve the above technical problem, the present invention provides following technical solutions：A kind of rice seed selection device, including seed selection The interior bottom of case, the seed selection case is equipped with connecting rod, and quantitative feeding mechanism, primary election mechanism are equipped in the seed selection case and is selected again Mechanism, the primary election mechanism include wind turbine, support plate and two supporting rods for being used to stretch, the support plate and two supporting rods It is fixed on the bottom of seed selection case vertically, the cushion for catching seed is equipped between the support plate and supporting rod, it is described The bottom of cushion is equipped with the first electromagnet, and first electromagnet is electrically connected with first for controlling the energization of the first electromagnet The interior bottom of circuit, the seed selection case is equipped with second electromagnet opposite with the second electromagnet, and second electromagnet is electrically connected Be connected to for control the second electromagnet be powered after current direction second circuit, the wind turbine be fixed on seed selection case in side wall and Positioned at the top of cushion；The seed selection case is equipped with air inlet and outlet and discharge port, and the air outlet is opposite with wind turbine to be set It sets, the recleaner structure includes upper screen cloth and the lower screen cloth below upper screen cloth, and the upper screen cloth is fixed on the interior of seed selection case On side wall, the lower screen cloth is fixed in connecting rod, the setting and direction is on the contrary, institute diagonally downward of the upper screen cloth and lower screen cloth The least significant end for stating upper screen cloth is located at the top of lower screen cloth, and the least significant end of the lower screen cloth is connected to discharge port.

The operation principle of the present invention：When being screened to paddy seeds, paddy seeds are poured into seed selection using this programme The amount of quantitative feeding mechanism in case, the paddy seeds out of quantitative feeding mechanism out is exactly certain, such paddy seeds The load of sorting mechanism would not be exceeded when screening, it is unclean so as to cause screening, when paddy seeds are from quantitative feeding After being entered on cushion in mechanism, support plate and two supporting rods play a supportive role to cushion, because of the bottom of cushion Equipped with the first electromagnet, the first electromagnet be electrically connected with for control the first electromagnet energization the first circuit, case of choosing seeds it is interior Second electromagnet opposite with the second electromagnet is equipped on bottom again, the second electromagnet is electrically connected with again for controlling the second electromagnetism The second circuit of current direction after Tie Tong electricity so that second circuit and the first circuit are all connected, at this moment the first electromagnet and second The opposite the two poles of the earth polarity of electromagnet is identical, will produce a repulsive force, and the first electromagnet will move upwards suddenly, so that Paddy seeds on cushion will be raised, because cushion is integrally fixed in support plate and supporting rod again, and in elasticity Change the current direction in second circuit when pad is begun to decline for the first time, at this moment the first electromagnet and the second electromagnet are opposite The two poles of the earth polarity it is different, will produce suction, under the double action of suction and its own gravity, speed ratio paddy that cushion declines Seed is fast, and cushion is promptly sucked, so cushion can't teetertotter because of the reason of inertia, and paddy at this time Because the effect of inertia is also detained in the air, the space between such paddy seeds and cushion will widen seed, be conducive to The abundant screening of paddy seeds, during paddy seeds raise upwards, because full seed and shrivelled kernel its own gravity Difference, so overcoming its own gravity work done also different, so the height that full seed raises will be raised than shrivelled kernel Height it is low, the distance between full seed and shrivelled kernel can become larger, start wind turbine start to work, wind turbine blowout wind just Shrivelled kernel can be blowed to air outlet and be detached from, and full seed can be because of own wt, it is not easy to it is blown away, it is full in this way Full seed and shrivelled kernel will be compartmentalized, and after screening several times so repeatedly, control the first circuit and second circuit power-off, Supporting rod is controlled again to contract downwards, cushion will be tilted gradually, and full seed will progress on upper screen cloth, because on Sieve is diagonally downward, so seed runs past upper screen cloth and enters back on lower screen cloth, in this process, to be mixed in full The sieve pore that tiny mud pellet and dust in full seed run past sieve is detached with full seed, using discharge port seed just It is full without shrivelled kernel.

Beneficial effects of the present invention are：The movement tendency of cushion has emergentness in this programme, so cushion and kind Gap between son will become larger, and the distance between such shrivelled kernel and full seed will be sufficiently large, full kind when selection by winnowing Son would not play shrivelled kernel barrier effect, and there are one continuity, shadow of the seed in inertia for the movement of prior art vibrating screen Ring it is lower will have the tendency that moving upwards, but the gap very little between seed and vibrating screen, seed be almost attached to vibrating screen it On, full seed will play shrivelled kernel barrier effect when selection by winnowing, and compared with prior art, this programme removes the effect of shrivelled kernel Fruit is more preferable.

It is the optimization to basic technology scheme below：

Further, it is arranged with discharge pipe outside the wind turbine, the position opposite with cushion is equipped on the wall of the discharge pipe Suction inlet, described discharge pipe one end are connected on the madial wall of seed selection case, and the other end of the discharge pipe is connected to air outlet.This Duct sleeve is provided on wind turbine in sample so that the wind of wind turbine blowout is more concentrated, it is easier to shrivelled kernel is blown away by air outlet, without Shrivelled kernel can be blown is everywhere.

Further, the collecting bag for collecting shrivelled kernel is equipped at the air outlet.The setting of dust bag can be more convenient Collect the shrivelled kernel produced by boasting.

Further, the quantitative feeding mechanism includes feeding warehouse and the feed pipe of sealing two ends, the bottom of the feeding warehouse Equipped with tapping channel diagonally downward, the tapping channel is connected to feed pipe, and the top in the feed pipe is equipped with spring, institute It states spring and is connected with quantitative chamber far from one end at the top of feed pipe, the quantitative chamber includes upper hang plate, have a down dip wedge plate and solid Fixed pole, the upper hang plate and the wedge plate that has a down dip are slidably connected with the inner wall of feed pipe, and the fixed link is located at upper hang plate Between lower hang plate, the bottom sidewall of the feed pipe is equipped with inclined discharge nozzle, and the discharge nozzle is located at cushion Surface, the inclined direction of the inclined direction of the upper hang plate, the inclined direction for the wedge plate that has a down dip and discharge nozzle with discharging The inclined direction in channel is identical.Seed to be screened enters tapping channel from feeding warehouse, will enter in feed pipe and determine Chamber is measured, when beginning, the elastic force of spring can just make quantitative chamber be connected to tapping channel, and spring does not deform upon at this time, calmly After amount chamber fills seed, the elastic force of spring is not enough to support the gravity of quantitative chamber and seed, is moved downwardly at discharge nozzle, seed Discharge nozzle is run past to enter on cushion.

Further, the upper hang plate is equipped with the baffle for blocking tapping channel close to one end of tapping channel.It is quantitative For chamber during decline, seed can enter the upper surface of quantitative chamber from tapping channel, and provided with after baffle, it avoids to plant Son enters to be wasted caused by above quantitative chamber.

Further, the bottom of the feed pipe is equipped with third electromagnet, and the third electromagnet is electrically connected with for controlling The tertiary circuit that third electromagnet is powered.When quantitative chamber declines, control third electromagnet is powered, and third electromagnet will be sucked Have a down dip wedge plate, and then the seed for extending quantitative intracavitary enters the time of discharge nozzle.

Description of the drawings

Fig. 1 is a kind of schematic diagram of rice seed selection device of the present invention；

Fig. 2 is the structural scheme of mechanism of discharge pipe in Fig. 1；

Fig. 3 is the schematic diagram of second circuit in Fig. 1.

Specific implementation mode

It is further described below by specific implementation mode：

Reference numeral in Figure of description includes：Feeding warehouse 1, baffle 3, tapping channel 4, upper hang plate 5, is consolidated spring 2 Fixed pole 6, the wedge plate 7 that has a down dip, feed pipe 8, third electromagnet 9, discharge nozzle 10, air outlet 11, cushion 12, the first electromagnet 13, support plate 14, seed selection case 15, supporting rod 16, upper screen cloth 17, lower screen cloth 18, discharge port 19, the second electromagnet 20, wind turbine 21, Discharge pipe 22, suction inlet 23.

Embodiment it is basic as shown in Figure 1, Figure 2 and Figure 3：Specific implementation process is as follows：A kind of rice seed selection device, including choosing Plants case 15, seed selection case 15 is interior to be equipped with quantitative feeding mechanism, primary election mechanism and recleaner structure, and primary election mechanism includes wind turbine 21, support Plate 14 and two are for flexible supporting rods 16, and supporting rod 16 is telescopic, this is common technological means, no longer superfluous herein It states, support plate 14 and two supporting rods 16 are fixed on the bottom of seed selection case 15 vertically, are set between support plate 14 and supporting rod 16 It is useful for catching the cushion 12 of seed, the bottom of cushion 12 is equipped with the first electromagnet 13, and the first electromagnet 13 is electrically connected with The first circuit for controlling the energization of the first electromagnet 13, the interior bottom of seed selection case 15 is equipped with opposite with the second electromagnet 20 Second electromagnet 20, the second electromagnet 20 are electrically connected with the second electricity for controlling current direction after the second electromagnet 20 is powered Road, wind turbine 21 are fixed on the side wall in seed selection case 15, and wind turbine 21 is located at the top of cushion 12, and outlet air is arranged with outside wind turbine 21 Pipe 22, the position opposite with cushion 12 is equipped with suction inlet 23 on the wall of discharge pipe 22, and 22 one end of discharge pipe is connected to seed selection case On 15 madial wall, the other end of discharge pipe 22 is connected to air outlet 11；Seed selection case 15 is equipped with air inlet and outlet 11 and goes out Material mouth 19, recleaner structure include lower screen cloth 18 and the upper screen cloth 17 below cushion 12, on upper screen cloth 17 and lower screen cloth 18 Equipped with sieve pore, upper screen cloth 17 is fixed on the madial wall of seed selection case 15, and upper screen cloth 17 is arranged diagonally downward towards cushion 12, choosing The interior bottom of plants case 15 is equipped with connecting rod, and connecting rod is fixed with lower screen cloth 18, and lower screen cloth 18 is in the lower section of upper screen cloth 17, lower sieve Net 18 with the inclined direction of upper screen cloth 17 on the contrary, the downward one end of lower screen cloth 18 is connected to discharge port 19, quantitative feeding mechanism packet Include feeding warehouse 1 and the feed pipe 8 of sealing two ends, the bottom of feeding warehouse 1 is equipped with tapping channel 4 diagonally downward, tapping channel 4 with Feed pipe 8 is connected to, and the top in feed pipe 8 is equipped with spring 2, and the bottom of feed pipe 8 is equipped with third electromagnet 9, third electromagnet 9 It is electrically connected with the tertiary circuit for controlling the energization of third electromagnet 9, the first circuit and tertiary circuit are common control break-make Circuit, be common knowledge in electrical field, repeat no more in the present embodiment, the one end of spring 2 far from the top of feed pipe 8 connects It is connected to quantitative chamber, quantitative chamber includes upper hang plate 5, have a down dip wedge plate 7 and fixed link 6, and upper hang plate 5 and the wedge plate 7 that has a down dip are equal It is slidably connected with the inner wall of feed pipe 8, upper hang plate 5 is equipped with the gear for blocking tapping channel 4 close to one end of tapping channel 4 Plate 3, one end of fixed link 6 are connect with upper hang plate 5, and the other end of fixed link 6 is connect with the wedge plate 7 that has a down dip, the bottom of feed pipe 8 Portion's side wall is equipped with inclined discharge nozzle 10, and discharge nozzle 10 is located at the surface of cushion 12, the inclined direction of upper hang plate 5, Have a down dip wedge plate 7 inclined direction and discharge nozzle 10 inclined direction it is identical as the inclined direction of tapping channel 4.

Fig. 3 is the schematic diagram of second circuit, for changing the current direction of 20 hot-wire coil of the second electromagnet, when use only The position of double-point double-throw switch need to be changed.

When being screened to paddy seeds, paddy seeds are poured into the quantitative feeding mechanism in seed selection case 15 with this programme Feeding warehouse 1, then enter quantitative chamber through tapping channel 4, when beginning, the elastic force of spring 2 can just make quantitative chamber and discharging Channel 4 is connected to, and spring 2 does not deform upon at this time, and after quantitative chamber fills seed, the elastic force of spring 2 is not enough to support quantitative chamber And the gravity of seed, it is moved downwardly at discharge nozzle 10, starts third electromagnet 9 and be powered, third electromagnet 9 will be lower inclination Iron plate 7 is sucked, and such seed enters the time on cushion 12 by discharge nozzle 10 will be more, because of the space of quantitative chamber Fixed, so the amount for entering seed on cushion 12 is exactly certain, such paddy seeds when screening just not The load that sorting mechanism can be exceeded, causes screening unclean, when paddy seeds enter cushion 12 out of quantitative feeding mechanism After upper, support plate 14 and two supporting rods 16 play a supportive role to cushion 12, because the bottom of cushion 12 is equipped with the first electricity Magnet 13, the first electromagnet 13 are electrically connected with the first circuit for controlling the energization of the first electromagnet 13, the interior bottom for case 15 of choosing seeds Second electromagnet 20 opposite with the second electromagnet 20 is equipped in portion again, the second electromagnet 20 is electrically connected with again for controlling second The second circuit of current direction after electromagnet 20 is powered so that second circuit and the first circuit are all connected, at this moment the first electromagnet 13 the two poles of the earth polarity opposite with the second electromagnet 20 are identical, will produce a repulsive force, and the first electromagnet 13 will suddenly upwards Movement, so that the paddy seeds on cushion 12 will be raised, because cushion 12 is integrally fixed at 14 He of support plate again On supporting rod 16, and change when beginning to decline 12 first time of cushion the current direction in second circuit, such the The one electromagnet 13 the two poles of the earth polarity opposite with the second electromagnet 20 is different, will produce suction, in the dual of suction and its own gravity Under effect, the speed that cushion 12 declines is faster than paddy seeds, and cushion 12 is promptly sucked, so cushion 12 is not It can teetertotter because of the reason of inertia, and paddy seeds are because the effect of inertia is also detained in the air at this time, such paddy kind Space between son and cushion 12 will widen, and be conducive to the abundant screening of paddy seeds, raised upwards in paddy seeds In the process, because the difference of full seed and shrivelled kernel its own gravity, overcomes its own gravity work done also different, institute The height that the height raised with full seed will be raised than shrivelled kernel is low, and the distance between full seed and shrivelled kernel can be gradual Become larger, starts wind turbine 21 and start to work, shrivelled kernel will be blowed to air outlet 11 and is detached from by the wind that wind turbine 21 is blown out, and full kind Son can be because of own wt, it is not easy to be blown away, seed full in this way and shrivelled kernel will be compartmentalized, when repeatedly In this way after screening several times, the first circuit and second circuit power-off are controlled, then controls supporting rod 16 and contracts downwards, cushion 12 will be by Inclination gradually, full seed will progress on upper screen cloth 17, because upper screen cloth 17 is diagonally downward, seed is just It can be entered back on lower screen cloth 18 by upper screen cloth 17, in this process, tiny mud pellet and the ash being mixed in full seed The sieve pore that dirt runs past sieve is detached with full seed, and the seed using discharge port 19 is exactly full seed rather than flat Paddy.

Claims

The device 1. a kind of rice is chosen seeds, it is characterised in that：Including case of choosing seeds, the interior bottom of the seed selection case is equipped with connecting rod, Be equipped with quantitative feeding mechanism, primary election mechanism and recleaner structure in the seed selection case, the primary election mechanism include wind turbine, support plate and Two supporting rods for stretching, the support plate and two supporting rods are fixed on the bottom of seed selection case, the support vertically It is equipped with cushion for catching seed between plate and supporting rod, the bottom of the cushion is equipped with the first electromagnet, and described the One electromagnet is electrically connected with the first circuit for controlling the energization of the first electromagnet, and the interior bottom of the seed selection case is equipped with and the The second opposite electromagnet of two electromagnet, second electromagnet are electrically connected with for controlling electric current side after the second electromagnet is powered To second circuit, the wind turbine be fixed on seed selection case in side wall and positioned at cushion top；The seed selection case is equipped with Air inlet and outlet and discharge port, the air outlet are oppositely arranged with wind turbine, and the recleaner structure includes upper screen cloth and is located at upper Lower screen cloth below sieve, the upper screen cloth are fixed on the madial wall of seed selection case, and the lower screen cloth is fixed in connecting rod, institute The setting and direction is on the contrary, the least significant end of the upper screen cloth is located at the top of lower screen cloth diagonally downward of upper screen cloth and lower screen cloth is stated, The least significant end of the lower screen cloth is connected to discharge port.
The device 2. a kind of rice according to claim 1 is chosen seeds, it is characterised in that：It is arranged with discharge pipe outside the wind turbine, The position opposite with cushion is equipped with suction inlet on the wall of the discharge pipe, and described discharge pipe one end is connected to the inside of seed selection case On wall, the other end of the discharge pipe is connected to air outlet.
The device 3. a kind of rice according to claim 2 is chosen seeds, it is characterised in that：It is equipped at the air outlet for collecting The collecting bag of shrivelled kernel.
The device 4. a kind of rice according to claim 3 is chosen seeds, it is characterised in that：The quantitative feeding mechanism includes charging The feed pipe in storehouse and sealing two ends, the bottom of the feeding warehouse are equipped with tapping channel diagonally downward, the tapping channel with into Expects pipe is connected to, and the top in the feed pipe is equipped with spring, and the spring is connected with quantitative chamber far from one end at the top of feed pipe, The quantitative chamber includes upper hang plate, have a down dip wedge plate and fixed link, the upper hang plate and has a down dip wedge plate and feed pipe Inner wall be slidably connected, the fixed link is set between upper hang plate and lower hang plate in the bottom sidewall of the feed pipe There are inclined discharge nozzle, the discharge nozzle to be located at the surface of cushion, the inclined direction of the upper hang plate, have a down dip wedge plate Inclined direction and discharge nozzle inclined direction it is identical as the inclined direction of tapping channel.
The device 5. a kind of rice according to claim 4 is chosen seeds, it is characterised in that：The upper hang plate is close to tapping channel One end be equipped with baffle for blocking tapping channel.
The device 6. a kind of rice according to claim 5 is chosen seeds, it is characterised in that：The bottom of the feed pipe is equipped with third Electromagnet, the third electromagnet are electrically connected with the tertiary circuit for controlling the energization of third electromagnet.