CN102379192A - Knapsack-type tea plucking machine - Google Patents

Abstract

The invention relates to a knapsack-type tea plucking machine and belongs to the technical field of agricultural and forestal machineries. The knapsack-type tea plucking machine comprises a stationary cutter, a movable cutter, a material dropping machine and an exhaust fan, wherein the material dropping machine is arranged on a knapsack rack, and the exhaust fan is arranged on the knapsack rack and driven by a power plant; the material dropping machine is a closed tank, the center of the top of the closed tank is provided with an air outlet, and the upper part of the closed tank is tangentially provided with an air inlet, the air outlet is communicated with the air intake of the exhaust fan by an air hose with a filter screen, and the air inlet is communicated with a cutting head by a collection tube with a hose node; the cutting head is provided with a V-shaped opening, and the stationary cutter is arranged on one side of the V-shaped opening; the movable cutter which can rotate pneumatically is arranged in the cutting head; and when the movable cutter rotates, a cut edge on the V-shaped opening is formed by the movable cutter and the stationary cutter. In the invention, while the cutters are driven to carry out cut, the collection and conveying as well as follow-up separation of plucked tea leaves are completed naturally, therefore, the knapsack-type tea plucking machine is clever; and after the knapsack-type tea plucking machine is used, the selective collection of high-grade tea leaves can be satisfied, and the machine is easy to operate and high in efficiency.

Description

The backpack tea picking

Technical field

The present invention relates to a kind of tea picking equipment, especially a kind of backpack tea picking belongs to the agriculture and forestry machinery technical field.

Background technology

For a long time, tealeaves relies on manual harvesting always.Though application number is the disclosed Knapsack type manual tea-plucking scissors of the Chinese patent of CN90205687.5 by as the electric tea clippers of instrument, still needs to rely on manual operation.

In order to realize the mechanized of tea picking; Application number is that the Chinese patent of CN201020302633.5 discloses a kind of direct current drive tea picking; It comprises frame; Frame is provided with direct current generator, cutter, the bottom knife of transmission mechanism, drive transmission device, also is provided with the direct current generator and the adjustable lifter plate of combing collecting frame, driving combing collecting frame on the frame, and the combing collecting frame links to each other with frame through turning cylinder; Turning cylinder links to each other with the direct current generator that drives the combing collecting frame, and adjustable lifter plate is located at the frame bottom.

Above-mentioned two kinds of tea picking machines all are along the fluffy surface of tea all tealeaves of being longer than the fluffy surface of tea to be sheared the back to collect with mechanical system; Can't be directed against simple bud, a bud one leaf, a bud two leaves etc. as required and carry out the selectivity harvesting; Therefore adopt down simple bud is arranged in the tea, a bud one leaf, a bud two leaves; The bud head that old stalk is also arranged and display for the first time need carry out hierarchical processing.Simultaneously, the bud epicranium of displaying for the first time is adopted down the output that the back influences tealeaves.To collect percent of loss big for the mechanical system of above-mentioned tea picking machine in addition, and fluffy pruning requires highly to tea, all can't stereo holds tip tea place and picks tea-leaves, so only be applicable to large tea harvesting.

In addition; Application number is that the Chinese patent of CN200820162518.5 discloses a kind of tea picking; Use hollow pipe as the picking up pipe of plucking tealeaves; Many picking up pipe are connected with the inlet scoop of air main, in picking up pipe, form to the swirling eddy that rises through power set, and air main is connected to the storage tea bag through feed pipe.This mode of picking tea-leaves is adopted following time when the air-flow of rotation with tealeaves, and leaf separates with bud, and tealeaves has not had complete shape, and commercial value reduces, and part Lao Ye is also plucked simultaneously, needs subsequent sort.

Summary of the invention

The objective of the invention is to: to the shortcoming that above-mentioned prior art exists, proposes a kind of backpack tea picking that can high efficiency selected collection tealeaves, thereby satisfy the demand of high-grade tea picking.

In order to reach above purpose; Backpack tea picking of the present invention comprises cutter, moving cutting knife and is positioned at the glassware of bearing on the frame that falls; Also comprise being placed in and bear the air exhauster that drives by power set on the frame; The said glassware that falls is that top center has the airtight tank body that gas outlet and upper tangential have air inlet, and said gas outlet is communicated with the air inlet of said air exhauster through the airduct that is provided with screen pack, and said air inlet is communicated with cutting head through the collection tube with flexible pipe link; Said cutting head has v-shaped openings; Said v-shaped openings is cutter on one side, be equipped with in the said cutting head can pneumatic rotation moving cutting knife, be positioned at the sheared edge at v-shaped openings place during said moving cutting knife rotation with the formation of said cutter.

During work, the operator bears blower fan and falls glassware, and hand-held collection tube makes tealeaves point to be plucked be positioned at the v-shaped openings place of cutting head.The negative pressure that produces behind the fan starting is through falling the cutting head generation swabbing action of glassware to collection tube, and suction airflow drives moving cutting knife rotation, cooperates with cutter; The tealeaves point is cut, and meanwhile, suction airflow sucks collection tube with the tealeaves of cutting; Be transported to the air inlet that falls the glassware upper tangential, the tealeaves after the harvesting drops on and falls the glassware bottom along falling glassware bucket wall tangential underspin; The air-flow that falls the glassware center then under the effect of whirlwind effect, is extracted out by the gas outlet, thereby realizes that the gas leaf separates.

It is that the said glassware inwall that falls has the spiral plate by the air inlet underspin that the present invention further improves.Like this, get into the tealeaves that falls glassware and have better underspin guide effect, be more convenient for tealeaves under the comprehensive function of deadweight and whirlwind effectiveness, fall and fall the glassware bottom, thereby the harvesting of accomplishing tealeaves is collected along the inwall rotation.

This shows, the present invention not only with air-flow as carry, detachment dynamic, and as the rotary power of cutting knife, when driving cutting knife and shearing, accomplish the collection of plucking tealeaves naturally and carry, and follow-up separation, therefore ten minutes is ingenious.After the use, not only can satisfy the selectivity collection of high-grade tealeaves, and easy to operate, and efficient is high.

Description of drawings

Below in conjunction with accompanying drawing the present invention is further described.

Fig. 1 is the structural representation of one embodiment of the invention.

Fig. 2 is the end view of Fig. 1.

Fig. 3 is the B-B section partial enlarged drawing of Fig. 1.

Fig. 4 is that the A of Fig. 2 is to partial enlarged drawing.

Embodiment

Embodiment one

The backpack tea picking of present embodiment is as depicted in figs. 1 and 2; Comprise have cutter, the cutting head 3 (referring to Fig. 4) of moving cutting knife and being positioned at extends backwards L shaped bear frame 14 back upper places glassware 17 falls, the air exhauster 15 that is driven by gasoline engine 20 is placed in the L shaped frame rear side of bearing.Has braces 13 on the frame 14.Fall glassware 17 and have the airtight tank body that gas outlet and upper tangential have air inlet for top center, inwall has the spiral plate by the air inlet underspin, thereby forms cyclone separator structure.The bottom that falls glassware 17 is provided with openable discharging opening 19.The gas outlet is communicated with the air inlet of air exhauster 15 through the airduct 16 that is provided with screen pack, and air inlet is communicated with cutting head 3 through the collection tube 10 of moulding firmly with flexible pipe link 12.The handle of being convenient to grip 11 is housed on the collection tube 10.The concrete structure of cutting head 3 is as shown in Figure 4; Has v-shaped openings; This v-shaped openings is cutter 5 on one side, and being equipped with in the cutting head 3 can be around the moving cutting knife 4 of three leaves of slitter shaft 2 pneumatic rotations, is positioned at the sheared edge at v-shaped openings place during moving cutting knife 4 rotations with cutter 5 formation.

To have prompt facility when falling the long-pending full tealeaves of glassware 17 in order making, buzzer 18 to be housed in the airduct 16, its concrete structure is as shown in Figure 3, and this buzzer has by airduct 16 and leads to externally ported S shape air flue, and vibrating reed 7 is equipped with at this externally ported place.The pressure control one-way valve is equipped with in the bending place of S shape air flue, and this check valve is made up of the steel ball 6 that can open and close S shape air flue, pressure regulating screw 9 and the spring between steel ball and adjustment screw 8, when falling the long-pending full tealeaves of glassware 17; Air exhauster raises the negative pressure of falling in the glassware gradually; Until opening check valve, at this moment, suck extraneous air by S shape air flue; Air flow will cause the vibrating reed vibration, send the buzzing alarm sound.

The backpack tea picking of present embodiment has following major advantage:

Picking efficiency improves than manual the harvesting obviously when 1, plucking with two picking head.

2, no hand contact is pollution-free.

3, can pluck famous-brand and high-quality tea such as simple bud, a bud one leaf, a bud two leaves, overcome the shortcoming that existing tea picking machine can only be adopted large tea.

4, to the fluffy lower tea place of tea, need not bend over to pluck, can reduce labor intensity.

5, reasonable in design, easy for operation.

Except that the foregoing description, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of requirement of the present invention.

Claims (6)

1. backpack tea picking; Comprise cutter, moving cutting knife and be positioned at the glassware of bearing on the frame that falls; It is characterized in that: also comprise being placed in and bear the air exhauster that drives by power set on the frame; The said glassware that falls is that top center has the airtight tank body that gas outlet and upper tangential have air inlet, and said gas outlet is communicated with the air inlet of said air exhauster through the airduct that is provided with screen pack, and said air inlet is communicated with cutting head through the collection tube with flexible pipe link; Said cutting head has v-shaped openings; Said v-shaped openings is cutter on one side, be equipped with in the said cutting head can pneumatic rotation moving cutting knife, be positioned at the sheared edge at v-shaped openings place during said moving cutting knife rotation with the formation of said cutter.

2. backpack tea picking according to claim 1; It is characterized in that: in the said airduct buzzer is housed; Said buzzer has by airduct and leads to externally ported S shape air flue, and vibrating reed is equipped with at said externally ported place, and the pressure control one-way valve is equipped with in the bending place of said S shape air flue.

3. backpack tea picking according to claim 2 is characterized in that: said check valve is made up of the steel ball that can open and close S shape air flue, pressure regulating screw and the spring between steel ball and adjustment screw.

4. backpack tea picking according to claim 3 is characterized in that: said frame is extend L shaped backwards, has braces; The said glassware that falls is positioned at said frame back upper place, and said air exhauster is placed in said frame rear side.

5. backpack tea picking according to claim 4 is characterized in that: the said bottom that falls glassware is provided with openable discharging opening.

6. backpack tea picking according to claim 5 is characterized in that: the handle of being convenient to grip is housed on the said collection tube.

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