CN104335803B - A kind of machinery joined for the seedling system of Jujun grasses short stem cuttage - Google Patents

Abstract

The present invention relates to a kind of machinery joined for the seedling system of Jujun grasses short stem cuttage, including portable cabinet, the bottom side of shown portable cabinet is provided with universal nylon foot wheel, top in described portable cabinet is provided with one in order to transport the conveyer belt of seedling, described conveyer belt is arranged over threaded rod, some cylinder blades in order to cut off it are equipped with vertically on described threaded rod, it is equipped with sleeve on threaded rod between adjacent disk blades, being positioned at threaded on the threaded rod of sleeve left-hand end has a clamp nut, the right-hand end apical grafting of described sleeve is on the cylinder blade of adjacent right side, the left-hand end apical grafting of described clamp nut is on the cylinder blade of adjacent left-hand.The increasing number that each seedling of the present invention cuts off, and cut kind steadily, the efficiency that the seedling system of increasing is joined；Have effectively achieved bacterium glass seedling system and join the whole-course automation of process, the seedling system that improves is joined efficiency, is alleviated labor strength.

Description

A kind of machinery joined for the seedling system of Jujun grasses short stem cuttage

Technical field

The present invention relates to a kind of machinery joined for the seedling system of Jujun grasses short stem cuttage, it is adaptable to the short stem of Jujun grasses The seedling system of cuttage is joined.

Background technology

Jujun grasses is a kind of tall and big energy grass being planted in the clivia ground, non-farmland such as wasteland, salt-soda soil, nonirrigated farmland, sand ground, resistance to Drought, Salt And Alkali Tolerance, barren-resistant, strong adaptability, growth is fast, and yield is high.And of many uses, can be used for culture medium of edible fungus, bioenergy The fields such as source fuel, papermaking and industrial fiber raw material, water and soil conservation, feedstuff.At present, the planting patterns of bacterium glass is mainly with Herb bar Hydroponics and short stem cuttage are main, and the short stem cuttage of Jujun grasses refers to cut the stem with two joints, every furrow kind two with fruit tree pruning shear OK, seeding row spacing 0.5 meter × about 0.5 meter.Upward, oblique cutting becomes 45 degree of angles to stipes axillalry bud with ground, and a joint inserts in soil, One joint is at ground surface, real by soil pressure around, it is achieved the process of whole plantation.

In the whole flow process of planting huge fungous grass operation, it is one of its of paramount importance link that seedling system is joined.At present, passing The compounding method of the Jujun grasses seedling of system has two kinds: the first is before planting, and peasant uses fruit tree pruning shear will be the hugest Bacterium glass is cut into one respectively successively with the seedling of two bud knots, then plantation collection carries out bubble kind, is planting；The second It is that peasant uses large-scale electric saw that entire bundle Jujun grasses seedling is switched to about 100cm, then by the Jujun grasses cane of a length of 100cm Plant as a Jujun grasses seedling.When using short stem cuttage cultivation, Jujun grasses seedling has only to a bud joint, just Planting requirement can be met, but in view of the environment of other factors impact plantation, for making Jujun grasses well breed, the most most Use the cane of band 2～3 buds joint as Jujun grasses seedling, it is possible to germination percentage that guarantee seedling is higher and good germination Gesture.Owing to the distance between any two bud knots of Jujun grasses is 15～20cm, so use the Jujun grasses seedling of short stem cuttage Optimum length should be 20～30cm.

Use at present Jujun grasses seedling compounding method and the equipment of short stem cuttage planting method, the subject matter existed and not Foot have following some: first, due on seedling cutting technique and technique, and can not get on relatively low seedling otch damage ratio protecting Card, entire bundle Jujun grasses seedling, by the method for entire bundle Jujun grasses cutting system breeding Seedling, can not be cut by the large-scale electric saw of existing employing Within 100cm, cutting Jujun grasses length is not easily controlled simultaneously.Second, use above-mentioned entire bundle cutting Jujun grasses cane system Breeding seedling-growing method so that seedling is long, directly by the diameter increased between each seedling and degree of crook parameter differences, first will increase Secondly adding the complexity that later stage seedling is thrown in, the volume of seedling is excessive, by bringing the unfavorable of transport and bundling, strengthens peasant The input of labour force, secondly, beyond the optimum size of bacterium glass seedling, will result in the waste of Jujun grasses cane, makes Jujun grasses green Application and the promotional value of energy grass are had a greatly reduced quality.3rd, use traditional fruit tree pruning shear that Jujun grasses one by one is planted Seedling system is joined, and then draws seedling in and carries out bubble kind, and labor efficiency is the highest, and operation is the most loaded down with trivial details, can not meet bacterium glass large area at all Popularizing planting.

Along with the continuous expansion of bacterium glass cultivated area, bacterium glass whole production process mechanization has become inexorable trend.Huge fungous grass Plant the relative scarcity equipped with seedling configuration equipment and constrain the sustainable development of bacterium glass industry.In order to improve fungous grass further Plant the subject range of equipment, alleviate the labor intensity of artificial seed, accelerate bacterium glass whole process production mechanization process, huge fungous grass Seedling system is equipped for having become modern precision agriculture, green agriculture and the inevitable development trend of mechanized agriculture, produces accelerating bacterium glass The development process of industry has great significance.

In order to production and processing efficient, high-quality goes out Jujun grasses seedling, needing a kind of integrated processing device, it is right that this equipment needs The operations such as Jujun grasses carries out cutting off, carries, immersion, therefore, produce the device for mechanical of needs to design a kind of satisfied integration Mechanism is the object that the present invention studies.

Summary of the invention

In view of the deficiencies in the prior art, it is an object of the invention to provide a kind of seedling system for Jujun grasses short stem cuttage The machinery joined.

Technical program of the present invention lies in:

A kind of machinery joined for the seedling system of Jujun grasses short stem cuttage, including portable cabinet, described portable machine The bottom side of case is provided with universal nylon castor, it is characterised in that: the top in described portable cabinet is provided with one in order to transport kind The conveyer belt of Seedling, described conveyer belt is arranged over that be rotationally connected with portable cabinet once bearing and parallel with conveyer belt sets The threaded rod put, described threaded rod is equipped with some cylinder blades in order to cut off vertically, between adjacent disk blades Threaded rod on be equipped with sleeve, being positioned at threaded on the threaded rod of sleeve left-hand end has a clamp nut, described sleeve Right-hand end apical grafting on the cylinder blade of adjacent right side, the left-hand end apical grafting of described clamp nut is at the disk of adjacent left-hand On blade, it is positioned at the portable cabinet below conveyer belt and is provided with a middle optical axis parallel with threaded rod, described middle light The two ends of axle have been respectively fixedly connected with a head sprocket, two head sprockets respectively through respective chain be located at threaded rod two ends from sprocket wheel Being in transmission connection, the middle part of described middle optical axis is fixed with a belt wheel, described belt wheel through V-type band by being located in portable cabinet The first motor on bottom chamber drives, and described conveyer belt is nested with the band laid in two levels being rotationally connected with portable cabinet On wheel shaft, one end of described belt shaft is provided with a belt pulley, and the synchronized band of described belt pulley is by being located at portable cabinet inner chamber The second motor on bottom drives.

Wherein, be provided with an arc setting in described portable cabinet inner chamber leads kind Groove, the discharging opening of described seed guiding groove joins with a seed soaking agitator tank after one is external in the arc guide barrel outside portable cabinet Logical, the discharging opening height of described seed guiding groove is higher than the discharging opening height of arc guide barrel.

Being provided with the stirring vane of longitudinally laying in described seed soaking agitator tank, described stirring vane is by being located at seed soaking agitator tank The motor at top drives；The discharging opening bore of described seed guiding groove is 8cm.

Described sleeve diameter size 3.4cm, sleeve outer diameter uses 4cm, and cylinder blade internal diameter is 3.4cm, and external diameter is 16cm, clamp nut (19) internal diameter uses the size with shaft；Clamp nut left end external diameter is and cylinder blade The 3.4cm of minor diameter fit, a length of 0.5cm, clamp nut mid portion outside dimension is 5cm, a length of 0.5cm, tightly Gu nut right-hand member is connected with sleeve, its external diameter is 4cm, a length of 1.5cm

Being positioned at chain bottom and be provided with an oil sump being fixed on portable cabinet inwall, described oil sump liquid level covers chain Least significant end.

Described conveyer belt includes the some row's Timing Belts being nested with on belt shaft, is located therein outside the belt shaft of side Side is provided with one and scrapes bits shell fragment group, described in scrape that bits shell fragment group includes some every Timing Belts of correspondence scrape bits shell fragment, described in scrape bits The outer end of shell fragment is resiliently attached on connecting rod, and the two ends of described connecting rod are respectively fixedly connected with the portable cabinet in belt shaft both sides On, described in scrape the inner and the Timing Belt apical grafting of bits shell fragment.

Being provided with the deep gouge of a 30cm between adjacent sync band, the lower section of described Timing Belt is provided with a level and is fixed on movement Connecing bits base plate on formula cabinet, wherein side is blanking side.

It is an advantage of the current invention that: the increasing number that each seedling of the present invention cuts off, and cut kind steadily, the kind of increasing The efficiency that Seedling system is joined；Have effectively achieved bacterium glass seedling system and join the whole-course automation of process, the seedling system that improves join efficiency, Alleviate labor strength.

Accompanying drawing explanation

Fig. 1 is the structural front view of the present invention.

Fig. 2 is the left view of Fig. 1,

Fig. 3 is the top view of Fig. 1,

Fig. 4 is the workflow diagram of preparation technique method of the present invention,

Fig. 5 is cutting disc Chain conveyer mechanical mechanism schematic diagram,

Fig. 6 is cutting disc frame for movement schematic diagram,

Fig. 7 is PLC touch screen picture figure,

Fig. 8 is PLC program flow chart.

Detailed description of the invention

For the features described above of the present invention and advantage can be become apparent, special embodiment below, and coordinate accompanying drawing, make in detail Carefully it is described as follows.

Referring to figs. 1 to Fig. 8, the present invention relates to a kind of machinery joined for the seedling system of Jujun grasses short stem cuttage, bag Including portable cabinet 1, the bottom side of described portable cabinet is provided with universal nylon castor 2, the top in described portable cabinet Being provided with one in order to transport the conveyer belt 3 of seedling, described conveyer belt is arranged over being rotationally connected once bearing and portable cabinet And the threaded rod 4 be arrangeding in parallel with conveyer belt, described threaded rod is equipped with some cylinder blades in order to cut off vertically 5, the threaded rod between adjacent disk blades is equipped with sleeve 6, being positioned at threaded on the threaded rod of sleeve left-hand end has One clamp nut 7, the right-hand end apical grafting of described sleeve on the cylinder blade of adjacent right side, the left-hand end of described clamp nut Apical grafting on the cylinder blade of adjacent left-hand, be positioned at the portable cabinet below conveyer belt be provided with one parallel with threaded rod in Between optical axis 8, the two ends of described middle optical axis have been respectively fixedly connected with a head sprocket 9, two head sprockets respectively through respective chain 10 with set Being in transmission connection from sprocket wheel 11 in threaded rod two ends, the middle part of described middle optical axis is fixed with a belt wheel 12, and described belt wheel is through V Type band is driven by the first motor 13 being located on portable cabinet intracavity bottom, and described conveyer belt is nested with and is being rotationally connected with shifting On the belt shaft 14 that two levels of dynamic formula cabinet are laid, one end of described belt shaft is provided with a belt pulley 15, described belt pulley Synchronized band is driven by the second motor 16 being located on portable cabinet intracavity bottom.

Being provided with, in above-mentioned portable cabinet inner chamber, the seed guiding groove 17 that an arc is arranged, the discharging opening of described seed guiding groove is outside one Soak seed after being connected to the arc guide barrel 18 outside portable cabinet agitator tank 19 UNICOM with one, the discharging opening height of described seed guiding groove It is higher than the discharging opening height of arc guide barrel.

Being provided with the stirring vane 20 of longitudinally laying in above-mentioned seed soaking agitator tank, described stirring vane is by being located at seed soaking stirring The motor 21 of tank top drives；The discharging opening bore of described seed guiding groove is 8cm.

Above-mentioned sleeve diameter size 3.4cm, sleeve outer diameter uses 4cm, and cylinder blade internal diameter is 3.4cm, and external diameter is 16cm, clamp nut 19 internal diameter uses the size with shaft；Clamp nut left end external diameter is for join with cylinder blade internal diameter 3.4cm, a length of 0.5cm closed, clamp nut mid portion outside dimension is 5cm, a length of 0.5cm, clamp nut right-hand member Being connected with sleeve, its external diameter is 4cm, a length of 1.5cm.

Being positioned at chain bottom and be provided with an oil sump 22 being fixed on portable cabinet inwall, described oil sump liquid level covers chain Least significant end.

Above-mentioned conveyer belt includes the some row's Timing Belts being nested with on belt shaft, is located therein the outside of the belt shaft of side Be provided with one and scrape bits shell fragment group 23, described in scrape that bits shell fragment group includes some every Timing Belts of correspondence scrape bits shell fragment, described in scrape bits The outer end of shell fragment is resiliently attached on connecting rod 24, and the two ends of described connecting rod are respectively fixedly connected with the portable cabinet in belt shaft both sides On, Described the inner scraping bits shell fragment and Timing Belt apical grafting.

Being provided with the deep gouge of a 30cm between adjacent sync band, the lower section of described Timing Belt is provided with a level and is fixed on movement Connecing on formula cabinet considers base plate 25 to be worth doing, and wherein side is blanking side.

In implementation process, as shown in Figure 1, 2, 3, Jujun grasses of the present invention short stem cuttage seedling system is equipped with standby, mainly Cut off by seedling, power transport, sweep bits, seedling immersion etc. and partly constitute.

Seedling cut-off parts is abandoned and is cut the form that the single solution for diverse problems of sugarcane genotypes is cut with multitool at present, an axle multitool, simultaneously Cut kind.While improving efficiency, successfully avoid breaking during stem cutting head, and make otch more smooth, beneficially after stem stalk Phase plantation is grown.By changing the length of sleeve, cut out the seedling length required for Jujun grasses short stem cuttage.By using spiral shell Rasp bar, as power transmission shaft, utilizes sleeve and clamp nut, it is achieved fixing of blade.It is left that high order end sleeve withstands fixing sprocket wheel End, then put blade, fix with clamp nut；Withstand clamp nut with a sleeve again, then put blade, solid with clamp nut Fixed, so circulate, to the last a cutter installs.This Jujun grasses seedling system is equipped with the length sleeve putting selection, determines huge Length after the cut-out of bacterium glass seedling, adds up according to great many of experiments, and the seedling using the length sleeve of 28cm to cut off out is the suitableeest Suitable planting huge fungous grass.Bias during in order to reduce deadweight and rotate, this Jujun grasses seedling system is equipped puts employing radius as far as possible Little sleeve.Sleeve diameter uses puts size 3.4cm bigger at cutter than clamp nut 19, and sleeve outer diameter uses 4cm, energy Enough realize blade fixing while, it is ensured that seedling continuous print cuts off.This Jujun grasses seedling system is equipped with the blade internal diameter put 3.4cm, external diameter is 16cm.The internal diameter of clamp nut uses the size coordinated with screw mandrel.Clamp nut left end, for putting at cutter, is put At cutter, external diameter is and the 3.4cm of blade minor diameter fit, a length of 0.5cm.Clamp nut mid portion is fixing blade, and protects The effect that card blade rotates smoothly, outside dimension is 5cm, a length of 0.5cm.Clamp nut right-hand member plays protection mid portion Effect, and be connected with sleeve, its external diameter is 4cm, a length of 1.5cm.

Disk cutter shaft operation principle in seedling cut-off parts: before blade rotation, between clamp nut, blade and sleeve also Not being that fastening is firm, there is local and loosen in clamp nut, causes there is gap between clamp nut, blade and sleeve.At dress After standby startup, screw thread member high speed rotating, now clamp nut is in static, under the drive of screw thread member, fastens spiral shell Female high speed rotating, clamp nut screws to the left during accelerating, makes compact siro spinning technology between clamp nut, blade and sleeve, Realize screw thread member, clamp nut, blade and sleeve integration high speed to rotate, it is achieved cut off Jujun grasses seedling.

As in figure 2 it is shown, the power transmissioning part of the present invention divides using two motors as original power, band cutting blade rotates and fortune Defeated band transmits.It is embodied as step as follows: motor is by V belt translation transmission power in middle optical axis, and optical axis synchronizes chain by two ends Transmission, transmission power realizes screw thread member and rotates, and screw mandrel passes through clamp nut and sleeve, it is achieved blade rotation.For avoiding screw thread Rod member Oscillation Amplitude is too big, and the moment of flexure that balance vibration produces on axle uses bilateral Chain conveyer, it is achieved definite proportion transmission, strengthens silk Bar stability of rotation.Second motor passes through belt and belt pulley, and the axle transferring power to conveyer belt drives conveyer belt to rotate.

Jackshaft is described as follows with cutting disc between centers Chain conveyer parameter determination:

Initial known parameters: transmission power P=1Kw, drive shaft speed n₁=700r/min, gear ratio i=n₁/n₂=1, Primary election centre-to-centre spacing a₀=600mm,

(1) teeth number of sprocket selects: drive sprocket parameter z₁=22, then driven sprocket number of teeth z₁=i × z₂=22

(2) chain calculates and selects:

1) application factor f₁=1.4 (with reference to mechanical design handbook)

Number of teeth coefficient f₂=1.55

2) chain selects

Corrected output Pc=Pf₁f₂=1.58kW

By Pc=1.58kW and n₁=700r/min is on mechanical design handbook bearing capacity figure, and can choose roller chain is 08B Series.Chain pitch is p=15.875mm

(3) chain length

Calculate chain length joint number

$X_0=2\frac{a_0}{p}+\frac{z_1+z_2}{2}+\frac{f_3\×p}{a_0}$

Work as Z₁-Z₂When=0, f in formula₃=0

X₀=97.6 (taking X0=98)

(4) speed chain

(5) chain greasisng parameter determination:

Pressing speed v=4.07m/s and chain 08B, look into mechanical design handbook, its lubricating requirement is in scope 3, and this explanation is wanted Oil sump lubrication or food tray lubrication, lubricate the degree of depth 3 to 6mm, as it is shown in figure 1, be equipped with oil sump below the chain of both sides.

V belt translation parameter determination between cutter axis and intermediate speed transmission axle is following (between intermediate transfer axle and motor V belt translation parameter determination method is similar to):

Initial known parameters: cutting speed V is 5m/s (experiment gained), and cutter diameter is 90mm, and cutterhead rotating speed is 700r/ About min,

(1) calculating power P ca is determined

According to Pca=K_AP

In formula: Pca calculates power, kW；

K_AWorking condition coefficient, by mechanical design handbook, checks in application factor Ka=1.2；

The rated power of the required transmission of P, kW.

P=10P₀=1kw, so

Pca=K_AP=1.2X1=1.2 (kw)

(2) banding pattern of selection V band:

Rotating speed n according to small pulley₁=700r/min and calculating power P ca=1.2kw, select the classical V-belt of Z-type,

(3) the datum diameter d of belt wheel is determined_dAnd check belt speed v

1) the datum diameter d of primary election small pulley_d1

According to the banding pattern of V band, determine the datum diameter d of small pulley with reference to mechanical design handbook_d1, d should be made_d1≥(d_d)_min.Choosing Select the datum diameter d of small pulley_d1For 90mm.

2) checking computations belt speed v

According toCalculate the speed of band.Belt speed is too high, typically should make v=5～25m/s, the highest is less than 30m/s, calculating belt speed v is 6.59m/s, meets the requirements,

3) the datum diameter d of big belt wheel is calculated_d2

By d_d2=id_d1Calculate, and according to table 8-8 in addition suitably rounding.Obtain the datum diameter d of big belt wheel_d2For 90mm,

(4) determine centre-to-centre spacing a, and select the datum length L that V carries_d

1) according to restrictive condition or the centre-to-centre spacing of requirement, the convolution of V belt translation overall dimension

0.7(d_d1+d_d2)≤a₀≤2(d_d1+d_d2)

Primarily determine that centre-to-centre spacing a₀For 300mm.

2) corresponding belt length L is calculated_d0

$L_{d0}\≈2a0+\frac{\mathrm{\π}}{2}(d_{d1}+d_{d2})+\frac{{(d_{d1}-d_{d2})}^2}{4a_0}=882mm$

The datum length L of band_dAccording to L_d0Chosen by mechanical design handbook, the datum length L of band_dFor 900mm,

3) centre-to-centre spacing a and mobility scale thereof are calculated

The operating center distance of transmission is approximately

In view of the foozle of belt wheel, belt length error, the elasticity of band and the need of supplementary tensioning produced because of the lax of band Want, often provide the mobility scale of center opinion

$\left.\begin{array}{c}{a}_{\min }=a-0.015L_d\\ a_{\max }=a+0.03L_d\end{array}\right\}$

For 295.5mm～336mm.

(5) cornerite 1 on checking computations small pulley

(6) the radical z of band is determined

$z=\frac{P_{ca}}{P_r}=\frac{K_{A}P}{(P_0+{\mathrm{\ΔP}}_0)K_{\mathrm{\α}}{K}_L}$

By d_d1=90mm and n₁=700r/min, the 8-4a that tables look-up obtain P₀=0.33kW；According to n₁=700r/min, i= 1 and Z-type band, look into mechanical design handbook:

1) the basic rated power increment of single V band

$\mathrm{\Δ}P0=K_w{n}_1(1-\frac{1}{K_i})$

Kw Bending Influence coefficient, Z-type V carries: Kw=1.03 × 10-3

Ki gear ratio coefficient, during i=1.00～1.04, Ki=1.00

Bring as above data into, calculate: Δ P₀=0kw；

And known K_α=1, K_L=1.03.Then

P_r=(P₀+ΔP₀)K_αK_L=0.3399kW

2) the radical z of V band is calculated

$Z=\frac{P_{ca}}{P_r}=\frac{1.2}{0.3399}=3.54$

Take 4 root bark bands.

(7) calculate minima (F0) min of the initial tension of single V band, look into mechanical design handbook and obtain the unit length matter of A type band Amount q=0.06kg/m, so

$\begin{array}{cc}\left(F0\right)& min=500\frac{(2.5-K_{\mathrm{\α}})P_{ca}}{K_{\mathrm{\α}}zv}+qv2=34.19N\end{array}$

The actual initial tension F of band should be made₀＞ (F₀)_min

(8) suppressive jamming Fp is calculated

The minima of suppressive jamming is

$\begin{array}{cc}\left(Fp\right)& min=2z{\left(F_0\right)}_{\min }sin\frac{{\mathrm{\α}}_1}{2}=273.6N\end{array}$

(9) structure of belt wheel and size, use solid formula

Pulley shaft bore dia takes d₀=16mm, hub length takes 28mm.

(10) Z-type grooved

Datum width b_d=8.5mm；

Groove depth h=9mm

Groove depth ha=2mm on datum line；

Groove depth hf=7mm under datum line；

Separation e=12 ± 0.3mm；

Trough rim, away from fmin=7mm, takes f=8mm；

Minimum wheel rim thickness δ min=6mm, takes δ=15mm；

Belt wheel width B=(z-1) e+2f, substitutes into data, obtains B=28mm.

Belt wheel outside diameter d a=d_d+ 2ha, substituting into data, obtaining da=94mm≤118mm, so taking wheel groove angle

Transport and fixing Jujun grasses Timing Belt parameter determination are as follows:

Initial parameter sets:

Cut off power F=mg=100N needed for cane

Cutting kind of speed V is 5m/s

(1) calculating power P ca is determined

According to Pca=K_AP

In formula: Pca calculates power, kW；

K_AWorking condition coefficient, by mechanical design handbook, checks in application factor Ka=1.5；

The rated power of the required transmission of P, kW.

P=10P0=1kw, so

Pca=K_AP=1.5X1=1.5 (kw)

(2) pitch Pca of Timing Belt is selected

There is the rotating speed n of small pulley₁=2.5r/min and calculating power P ca=1.5kw, select XH type Timing Belt, both pitches Pb For 22.225mm.

(3) number of teeth and the joint garden diameter of big small pulley are determined

Table 6-11 is had to check in the small pulley minimum number of teeth Zmin=22 of XH type Timing Belt by n1=2.5r/min,

Now select the tooth number Z of small pulley₁=22, then the pitch diameter of small pulley

d₁=PbZ₁/ π=155.6mm

The number of teeth of big belt wheel

Z₂=iZ₁=22

The pitch diameter of big belt wheel

d₂=PbZ₂/ π=155.6mm

Check its linear velocity

V=π d₁n₁/ (60X1000)=0.0203m/s

Result: qualified

(4) joint length, the number of teeth and the drive centre distancc of Timing Belt are determined

1) first selected center is away from a₀=800mm, tries to achieve the long approximation of joint of Timing Belt

L₀=2a₀+π(d₁+d₂)/2+(d₁+d₂)2/(4a₀)=2088.8mm

Standard synchronisation band pitch length series (table 6-3) is had to check in XH type and L₀The most close Timing Belt standard Lp= 2032mm, the pitch code name of Timing Belt is 800, Timing Belt tooth number Z b=88.

2) centre-to-centre spacing a is tried to achieve as the following formula

A=a₀+ (Lp-L₀)/2=771.6mm

(5) total number of teeth in engagement of small pulley is calculated

The total number of teeth in engagement trying to achieve small pulley is

Zm≈Z₁[1-Pb(Z₂-Z₁)/10a]/2=11

(6) width and the specification of Timing Belt are determined

By Z₁=22, n₁=2.5r/min, is checked in the standard drive merit of XH type Timing Belt by interpolation method by mechanical design handbook Rate 3.015kw.

(7) width and the specification of Timing Belt are determined

XH type Timing Belt reference bandwidth b is obtained by mechanical design handbook_s0=101.6mm thickness is 11.2mm

$bs\≥b_{so}\sqrt[1.14]{\frac{P_d}{K_z{P}_0}}=55.313mm$

The Timing Belt that bandwidth code name should be used to be 300, takes width bs=3000mm.

The specification selecting Timing Belt is 750XH300

(8) select the structure of belt wheel and be really sized and tolerance

Size and the tolerance of big small pulley are listed in table 6-30.The line call-out " specification of big small pulley is 26XH300.

(9) calculating acts on the power on belt shaft

Q=P_d× 1000 ÷ v=7.3kN

In order to be fixed by Jujun grasses cane and prevent cutting swarf from blocking, use following Jujun grasses transport structure: this invention Use Timing Belt as conveyer belt, at 30cm, cut a wide 2cm, the ditch of thick 0.6cm at upper strata Timing Belt outer surface.Fortune Arrangement baffle plate is had, the long 28cm of baffle plate, wide 1cm, high 5cm on defeated band outer surface.The effect of baffle plate is to drive Jujun grasses seedling, with Belts movement, and the horizontal cutting power when transporting at disk cutter shaft, when overcoming Jujun grasses seedling to cut.Between each baffle plate It is spaced apart 5cm, a Jujun grasses seedling can be put.After the bits produced when Jujun grasses seedling can be cut by conveyer belt and cutting Jujun grasses seedling is transported together, it is to avoid the cutting swarf of Jujun grasses seedling drops in the middle of complete machine, forms blocking, thus affects motor Operating with actuating device.

In order to destroy conveyer belt when keeping stable seedling cutting and avoid cutting, use following structure to carry out seedling and tentatively cut Disconnected:

When high speed rotating and the conveyer belt of blade provide feed speed, owing to there is the deep gouge of a wide 30cm in the middle of conveyer belt, So cutting the upper surface that the minimum point that kind of blade can switch to is conveyer belt, so ensure that Jujun grasses seedling can when transporting blade Cut-off.Even if blade has bob or side-to-side vibrations in minimum point, all without switching to conveyer belt.At conveyer belt inner surface There are 3 round bars to support at cutting kind, it is to avoid cutting force or conveyer belt are tired, make conveyer belt sagging at cutting kind, cause blade minimum Point, on the outer surface of conveyer belt, makes blade can't cut Jujun grasses seedling.3 round bars rotate with the motion of conveyer belt, fall The low round bar frictional force to conveyer belt.Chip cleaning part: be between the conveyer belt of upper strata at the cutting of this invention design, its In 90% cutting swarf can fall on the lower floor's conveyer belt between the conveyer belt of upper strata, need cutting swarf here is entered so main Row cleans.As shown in Figure 2: the design installs one group of shell fragment between conveyer belt and lower feed box, scrapes cutting swarf herein, reaches The effect cleaned.The cutting swarf scraped also has most of cutting swarf of upper strata conveyer belt with the good Jujun grasses seedling of cutting, It is slipped to lower feed box.There is also the cutting swarf the most all scraped, the part cutting that also upper strata conveyer belt there is also simultaneously herein Bits, can be shed on the flat board below conveyer belt, can shut down the cutting swarf on cleaning flat board after cutting kind of a period of time.

Lead kind of a seed soaking mixing part: with arc structure bottom the design lower feed box, as in figure 2 it is shown, exit width is set to 8cm.When the Jujun grasses seedling of well cutting, after sliding into lower feed box, by circular arc portion, skid off lower feed box in order.When sliding into blanking There may be a bottommost first touching lower feed box during case, Jujun grasses seedling one clashes into lower feed box bottommost, exists Resilience, other one is continued to fall.Such whereabouts mode adds when single Jujun grasses seedling arrives outlet laterally to fall, just Skid off lower feed box in Jujun grasses seedling, alleviate the blocking in lower feed box exit.Lower feed box outlet is set to 8cm so that laterally The Jujun grasses seedling of landing skids off, it is also possible to the Jujun grasses seedling allowing inclination angle be 15 degree skids off.Seedling finally orderly landing is extremely Stirring seed soaking case, this agitator tank is rotated by motor impeller so that seedling is all soaked, and last operation personnel can To take out seedling, carry out planting huge fungous grass.

Critical component threaded rod parameter determination:

Calculate by reversing strength condition

The torsional strength condition of solid shafting is:

${\mathrm{\τ}}_T=\frac{T}{W_T}\≈\frac{9550000\frac{P}{n}}{0.2d^3}\≤\[{\mathrm{\τ}}_T\]$

Axle is a diameter of can be obtained fom the above equation

$d\≥A_0\sqrt{\frac{P}{n}}$

τ_TFor shearing stress in torsion power, MPa

In formula:

T is the moment of torsion that axle is subject to more, N mm

W_TFor the Torsion Section coefficient of axle, mm³

N is the rotating speed of axle, r/min

P is the power of axle transmission, KW

D is the diameter calculating section axle, mm

[τ_T] it is shearing stress in torsion power allowable, MPa,

No. 45 steel selected by shaft material, and suffered peak power is 2kW, and maximum (top) speed is 700r/min, obtains axle minimum diameter and is 3.57mm。

PLC control flow part:

The design arranges three and cuts kind of a speed stage button, two rotating gear buttons and one and stop power on button.At three Cut in kind of speed threshold manipulation, when there being a gear job, press remaining any gear button, be all invalid operation, only press Lower stop botton, just stops the work of this gear, just can switch to next gear.Cut kind of a gear for three and be respectively top gear cutter Sheet realizes 6m/s, conveyer belt realizes 0.03m/s；Middle speed gear blade realizes 5.5m/s, conveyer belt realizes 0.02m/s and low or first gear Blade realizes 5m/s, conveyer belt realizes 0.01m/s.Arranging three gears, low or first gear meets just contact Jujun grasses seedling cutting machine And the operator that tiling Jujun grasses seedling is slower；Middle speed gear meets the most normal operator；Top gear meets skilled operation The period that operator or needs are overworked.This device combines equipment such as using PLC, servo drive motor, driver, encoder, real The closed loop control of existing whole motor, it is ensured that the speed of Timing Belt and cutter axis accurately controls.

Human-computer interaction interface is the highly integrated touch screen of Siemens so that download program and the communication of HMI Yu PLC More convenient.As it is shown in fig. 7, the instruction journey of PLC can be realized by man machine interface being carried out picture programming The execution of sequence and interruption, can monitor in real time variable each in PLC program equally, and well express on screen, make The operation obtaining workman is the most succinct.

Being the workflow diagram of Jujun grasses seedling of the present invention configuration equipment as shown in Figure 4, its seedling compounding method is as follows:

The first step: turn on the power, makes this equipment be in "on" position, selects V belt translation and Timing Belt transporting direction, choosing Seedling cutting gear, makes complete machine be in loitering phase,

Second step: Jujun grasses stem stalk is placed in travelling belt two groove card by operator by many pieces successively, waits that Timing Belt is by huge Bacterium glass transports near disk cutter shaft, it is achieved the cutting of seedling initial stage, and after cutting, seedling transports through conveyer belt and leads kind Case, leads kind of case and is discharged to soak seed in agitating device by orderly for seedling,

3rd step: when case seedling quantity of soaking seed reaches capacity limitation, clicking on X button, complete machine is in halted state, After from seed soaking case take out seedling, bundling is well placed successively.

The foregoing is only presently preferred embodiments of the present invention, all impartial changes done according to scope of the present invention patent with Modify, all should belong to the covering scope of the present invention.

Claims (2)

1. null1. the machinery joined for the seedling system of Jujun grasses short stem cuttage，Including portable cabinet，The bottom side of described portable cabinet is provided with universal nylon castor，It is characterized in that: the top in described portable cabinet is provided with one in order to transport the conveyer belt of seedling，Described conveyer belt is arranged over threaded rod that is that be rotationally connected with portable cabinet and that be arranged in parallel with conveyer belt once bearing，Some cylinder blades in order to cut off it are equipped with vertically on described threaded rod，It is equipped with sleeve on threaded rod between adjacent disk blades，Being positioned at threaded on the threaded rod of sleeve left-hand end has a clamp nut，The right-hand end apical grafting of described sleeve is on the cylinder blade of adjacent right side，The left-hand end apical grafting of described clamp nut is on the cylinder blade of adjacent left-hand，It is positioned at the portable cabinet below conveyer belt and is provided with a middle optical axis parallel with threaded rod，The two ends of described middle optical axis have been respectively fixedly connected with a head sprocket，Two head sprockets are connected from chain gear transmission be located at threaded rod two ends through respective chain respectively，The middle part of described middle optical axis is fixed with a belt wheel，Described belt wheel is driven by the first motor being located on portable cabinet intracavity bottom through V-type band，Described conveyer belt is nested with on the belt shaft that two levels being rotationally connected with portable cabinet are laid，One end of described belt shaft is provided with a belt pulley，The synchronized band of described belt pulley is driven by the second motor being located on portable cabinet intracavity bottom，Described portable cabinet inner chamber is provided with the seed guiding groove that an arc is arranged，The discharging opening of described seed guiding groove after one is external in the arc guide barrel outside portable cabinet with a seed soaking agitator tank UNICOM，The discharging opening height of described seed guiding groove is higher than the discharging opening height of arc guide barrel，The stirring vane of longitudinally laying it is provided with in described seed soaking agitator tank，Described stirring vane is driven by the motor being located at seed soaking agitator tank top；The discharging opening bore of described seed guiding groove is 8cm, it is positioned at chain bottom and is provided with an oil sump being fixed on portable cabinet inwall, described oil sump liquid level covers the least significant end of chain, described conveyer belt includes the some row's Timing Belts being nested with on belt shaft, the outside of the belt shaft being located therein side is provided with one and scrapes bits shell fragment group, described scrape that bits shell fragment group includes some every Timing Belts of correspondence scrape bits shell fragment, the described outer end scraping bits shell fragment is resiliently attached on connecting rod, the two ends of described connecting rod are respectively fixedly connected with on the portable cabinet of belt shaft both sides, described the inner scraping bits shell fragment and Timing Belt apical grafting, the deep gouge of a 30cm it is provided with between adjacent sync band, what the lower section of described Timing Belt was provided with that a level is fixed on portable cabinet connects bits base plate, wherein side is blanking side.
2. A kind of machinery joined for the seedling system of Jujun grasses short stem cuttage the most according to claim 1, it is characterized in that: described sleeve diameter size 3.4cm, sleeve outer diameter uses 4cm, cylinder blade internal diameter is 3.4cm, external diameter is 16cm, and clamp nut (19) internal diameter uses the size with shaft；Clamp nut left end external diameter is and the 3.4cm of cylinder blade minor diameter fit, a length of 0.5cm, and clamp nut mid portion outside dimension is 5cm, a length of 0.5cm, and clamp nut right-hand member is connected with sleeve, and its external diameter is 4cm, a length of 1.5cm.