CN101697679B - Method and device for picking high-quality dark brownish green - Google Patents

Abstract

The invention discloses a method and device for picking high-quality green tea. First, the rolling cutting blade rotates to pocket the green tea to be picked into the sorting alveolar, and then cuts the green tea with a rolling cutting knife and a fixed blade. The knife throws the cut dark green into the dark green collecting device, so as to realize the cutting and collection of green dark green. The present invention adopts the method of combining the rolling cutter and the fixed surface cutting blade, so that the way of cutting green tea is similar to rolling cutting, and since the cutting direction is the same as the throwing direction of the tea leaves, the rolling cutting tool can be rotated when it rotates by itself. The cut tea green can be thrown into the box, which effectively improves the picking efficiency and avoids the loss caused by the tea green scattering during the picking process. When cutting, the sorting teeth are used to guide the tea green cutting, which greatly reduces the picking The old stalks and old leaves of the dark green have improved the picking quality of the dark green.

Description

A method and device for picking high-quality green tea

technical field

The invention relates to the technical field of agricultural machinery, in particular to a method and device for picking green tea.

Background technique

At present, picking tea leaves (green) is a labor-intensive labor in tea production, which generally accounts for more than 50% of the labor in tea garden management. Picking tealeaves (green) by hand is time-consuming and laborious. Often because of the slow aging of high-quality tea greens caused by manual picking, it cannot be picked in time, which seriously affects the income of high-quality tea leaves. The world's major tea-producing countries are constantly researching, finding and improving efficient methods to replace manual picking. Tea (green) picking machines are divided into two types: selective tea picking machines and non-selective tea picking machines according to different picking methods; It is motorized, electric and manual; according to the operation form, it can be divided into single-person carry-carry type and double-person-lift type. At present, the research and application of tea picking machinery in the world are mainly focused on the picking of tea leaves for the general public. The widely used picking machine is a reciprocating cutting double or single picking machine. Although this type of picking machine can greatly improve the picking efficiency and save a lot of labor, shorten the picking cycle, and ensure the quality of fresh leaves, etc., but there are also disadvantages such as high tea breakage rate, large damage surface, more old stalks and old leaves in the green tea, and high labor intensity, so it is only suitable for medium and low-grade tea. pick. Also do not have a kind of mechanized picking technology and equipment that are suitable for the higher quality green tea of picking requirement at present.

Contents of the invention

The object of the present invention is to provide a method and device for picking high-quality green tea, which has low labor intensity, low breakage rate of the picked tea leaves, small damaged surface, good picking selectivity, and can reduce old tea leaves in the picked tea leaves. Stems and old leaves have high picking efficiency and are suitable for picking high-quality tea greens to overcome the deficiencies of the existing technology.

The present invention is realized in this way: the picking method of high-quality green tea, the rolling cutting blade first rotates the green tea to be picked into the sorting tooth alveolar, and then cuts the green tea with a rolling cutting tool and a fixed blade. The knife pushes the cut dark green into the dark green collecting device, so as to realize the cutting and collection of dark green.

The portable tea green picking device includes a box body with open structure at the front and rear ends, a fixing frame is arranged at the front end of the box body, a motor is arranged on the side of the box body, and a rolling-cutting type is arranged on the fixing frame. Cutter, the hobbing cutter is connected with the rotating shaft, the output shaft of the motor is connected with the rotating shaft, and a tea selection board is arranged under the hobbing cutter.

The tea selection board is made up of sorting teeth and fixed blades, the front end of which is the sorting teeth, and the fixed blade is installed at the rear of the sorting teeth.

The rolling cutter is composed of two or more rolling cutting blades, and the rolling cutting blades are fixed on the rotating shaft.

The hobbing blade can be made into a straight face or a concave face, and the width L is 35-75mm.

It is connected as a whole by the tea selection board and the fixing frame, and is fixedly connected with the box body.

The tea selection board is connected with the fixed frame as a whole, and there are rotating pins connected with the fixed frame on both sides of the box body. The other end is connected on the box body, and limit pins are respectively arranged on the box body up and down at the front end of the tea selection board.

A speed control circuit with a control switch is arranged on the box body, and the speed control circuit is connected with the motor.

Due to the adoption of the above technical scheme, compared with the prior art, the present invention adopts the combination of rolling cutter and fixed surface cutting blade, so that the mode of cutting green tea is similar to rolling cutting, and because the cutting direction is consistent with the throwing of tea leaves The direction is the same, so the rolling cutter can throw the cut tea green into the box when it rotates by itself, which effectively improves the picking efficiency and avoids the loss caused by the tea green scattering during the picking process. The sorting teeth are used to guide the cutting of green tea, which greatly reduces the old stalks and leaves of green tea picked, and improves the quality of green tea picking. The invention can make the box body a suitable portable size, and its motor can be a small motor with a battery as a power source. The battery is carried on the shoulder or on the back, so it is easy to carry and use, can reduce labor intensity, has no noise, and has a simple structure and is easy to use. The production and picking efficiency are high, and the use effect is good.

Description of drawings

Accompanying drawing 1 is a structural representation of the present invention;

Accompanying drawing 2 is the sectional view of rolling cutter;

Accompanying drawing 2 is the structural representation of selecting tea plate.

Detailed ways

Embodiment of the present invention: the picking method of high-quality green tea, first the rolling cutting blade rotates the green tea to be picked into the sorting tooth alveolar, and then cuts the green tea with a rolling cutting tool and a fixed blade, the rolling cutting tool Push the cut dark green into the dark green collection device to realize the cutting and collection of dark green.

The structure of the portable green tea picking device is shown in Figure 1. A box body 1 with openings at the front and rear ends is made, the fixed frame 2 is installed on the front end of the box body 1 by rotating the pin shaft 10, and the motor 3 is installed on the front end of the box body 1. On the side, a control switch 14 is made on the box body 1, the control switch 14 is connected with the rotation speed adjustment control circuit 13 of the motor 3, and the speed of the motor 3 can be adjusted according to the needs of the operator; 2 hobbing blades 9 are respectively fixed on the rotating shaft 5 so that 2 hobbing blades 9 are symmetrically formed into hobbing cutters 4 (3, 4 or 5 hobbing blades can also be used 9 to form the rolling cutting tool 4, the specific production needs to be determined according to the actual picking situation); and the output shaft of the motor 3 is connected to the left side of the rotating shaft 5; make a tea selection plate 6 again, and make a steel plate earlier, The making of the front end of the steel plate is the sorting tooth 7 of the tooth-shaped structure, and the fixed blade 8 is made at the rear portion of the sorting tooth 7 (also can adopt the whole steel plate to make the fixed blade 8 earlier, and then make the sorting tooth 7 separately, The sorting teeth 7 that have been made are affixed on the fixed blade 8); the tea selection plate 6 rear end that will be made is affixed on the fixed frame 2, so that the tea selection plate 6 is connected with the fixed frame 2 as one; the fixed frame 2 Connect an extension spring 11 between the top of the top and the casing 1, and limit pins 12 are respectively set on the top and bottom casings of the front end of the tea selection plate 6.

When in use, install the tea collection bag on the rear end of casing 1, press control switch 14 and just can start motor 3, make rolling cutter 4 rotate with rotating shaft 5, thereby can pick green tea. The sorting tooth 7 of the tea selection board 6 introduces the high-quality tea green on the tea tree between the sorting teeth 7, and cuts the tea green together with the hobbing cutter 4 and the fixed blade 8. After cutting, the tea green is cut off by the hobbing blade 9 The side of the tea is thrown into the box 1 and then sent into the tea collection bag, which prevents the green tea from being cut off and scattered on the ground; since the cut green tea is cut in the same direction as the throwing direction, it is different from the existing reciprocating cutting device. Compared, its damage surface is little, and the broken rate of green tea is low; The sorting teeth 7 of sorting board 6 can reduce the old stalk and old leaf in the dark green of picking as far as possible, improved the quality of picking.

The rolling cutting blade 9 of this example is made into a concave surface, and the width L is 55mm. This is for effectively putting the green tea to be picked into the sorting teeth 7 and throwing the cut green green into the casing 1; this example will select the tea plate 6 is connected with the fixed frame 2 as a whole, and the tension spring 11 is connected to the box body 1. Such a structure can make the tea selection board 6 have a certain self-regulation function in the upper and lower ranges, and can follow the picked tea canopy surface up and down slightly. Swing is conducive to the picking.

Claims (7)

1. a portable green tea picking device, comprising a casing (1) with an open structure at the front and rear ends, characterized in that: the front end of the casing (1) is provided with a fixed mount (2), in the casing ( 1) is provided with a motor (3) on the side, and is provided with a hobbing cutter (4) on the fixed mount (2), the hobbing cutter (4) is connected with the rotating shaft (5), and the motor (3) The output shaft is connected to the rotating shaft (5), and a tea selection board (6) is provided under the hobbing cutter (4), and the tea selection board (6) is composed of sorting teeth (7) and fixed blades (8) , its front end is sorting tooth (7), and fixed blade (8) is installed in the rear portion of sorting tooth (7). 2. The portable green tea picking device according to claim 1, characterized in that: the rolling cutter (4) is made up of two or more rolling cutting blades (9), and the rolling cutting blades (9) are fixed on on the rotating shaft (5). 3. The portable green tea picking device according to claim 2, characterized in that: the rolling cutting blade (9) can be made into a straight face or a concave face, and the width L is 35-75 mm. 4. The portable green tea picking device according to claim 1, characterized in that: the tea selection board (6) and the fixing frame (2) are connected as a whole, and are fixedly connected with the box body (1). 5. The portable green tea picking device according to claim 1, characterized in that: the tea selection board (6) is connected with the fixed frame (2) as a whole, and is provided with and fixed on both sides of the box body (1). The rotating pin shaft (10) that frame (2) connects, fixed mount (2) can rotate pin shaft (10) and rotate, is connected with extension spring (11) at the top of fixed mount (2), the other of extension spring (11) One end is connected on the box body (1), and limit pins (12) are respectively arranged on the box body up and down at the front end of the tea selection plate (6). 6. The portable green tea picking device according to claim 1, characterized in that: the casing (1) is provided with a speed control circuit (13) with a control switch (14), and the speed control circuit (13) is connected with the The motor (3) is connected. 7. A method of picking tea greens utilizing the portable tea green picking device of claim 1, characterized in that: the green tea leaves to be picked are pocketed into the sorting tooth alveolar by the rotation of the hobbing blade, and then the hobbing cutter is used to The green tea is cut off by the fixed blade, and the rolling cutter pushes the cut green green to the green green collection device, so as to realize the cutting and collection of green green.

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