CN202587911U - Leaf-cutting device for tobacco seedlings - Google Patents

Abstract

The utility model discloses a leaf-cutting device for tobacco seedlings, which comprises a leaf-cutting tool, a suction device and a broken-leaf collecting device. Located at the inlet of the suction hood, the suction hood is connected to the broken leaf collection device through the air duct; the leaf cutting tool is composed of two sets of relatively movable blades. The utility model realizes reciprocating cutting through the shearing cutter, avoids the disadvantages of hammering and crushing the leaves of the tobacco seedlings by the unsupported rotary cutting cutter at present, and makes the cutting process not produce slurry. The negative pressure suction leaves generated by the suction device, on the one hand, makes the leaves stand upright, so that the cut leaves do not hurt the leaves, which is convenient for cutting. On the other hand, the cut leaves can be directly sucked into the broken leaf collection device, avoiding broken Leaves scattered on the seedbed bring black rot and other hazards to the tobacco seedlings.

Description

Tobacco leaf cutting equipment

technical field

The utility model relates to seedling raising equipment, in particular to leaf cutting equipment for flue-cured tobacco seedlings, and belongs to the technical field of agricultural production.

Background technique

The seedlings of some crops need to trim the leaves at the top during the seedling raising process to achieve the effect of tall stems and strong seedlings. Tobacco seedlings are pruned at the stage of floating seedlings to regulate the growth of tobacco seedlings and make them grow neatly and robustly, which is an effective measure for cultivating strong seedlings. There are special requirements for leaf cutting of tobacco seedlings, mainly as follows: leaf cutting does not produce slurry, and broken leaves cannot be scattered on the seedbed, otherwise it will bring black rot and other hazards to tobacco seedlings; Cut small, vigorous cutting, but not the core, and the heart leaves must not be damaged. The tobacco seedling leaf shears sold on the market now have various structural forms such as orbital type and suspension type, but most of them use rotary shears for unsupported cutting, and the unsupported cutting method will mash the blades and produce slurry. And although what application number is 201110036777.X " a kind of leaf cutter for tobacco seedlings " patent of invention adopts to have support cutting, it is in fact directly existing tea picking machine used for cutting leaves of tobacco seedlings. In fact, the tip of the large leaf at the top of the tobacco seedlings is different from the tea leaves, and is not vertically upward. This patented design cannot meet the special requirements for cutting the leaves of the tobacco seedlings.

Contents of the invention

In view of the above-mentioned deficiencies in the existing tobacco seedling leaf cutting equipment, the purpose of this utility model is to provide a tobacco seedling leaf cutting equipment that does not hurt leaves, does not produce slurry, and collects broken leaves cleanly.

The technical scheme of the utility model is realized in the following way: a tobacco seedling leaf cutting equipment, including a leaf cutting tool, a suction device and a broken leaf collection device, the suction device includes a suction hood and a device for generating negative pressure in the suction hood The induced draft fan and the leaf-cutting cutter are located at the inlet of the suction hood, and the suction hood is connected to the broken leaf collecting device through an air duct; the leaf-cutting cutter is composed of two sets of relatively movable blades.

A deflector for evenly distributing the negative pressure in the air suction hood is provided in the air suction hood.

One of the two groups of blades is a movable blade, and the other is a fixed blade or a movable blade.

Each blade in the two sets of blades is a one-way edge or a two-way edge.

The tobacco seedling leaf cutting equipment is installed on the frame.

The broken leaf collection device is a cyclone collector, the induced draft fan is located at the upper end of the cyclone collector, and the installation position of the induced draft fan forms an air outlet at the same time.

The broken leaf collection device is a volumetric collector, the induced draft fan is installed on the side wall of the volumetric collector, and the installation position of the induced draft fan forms an air exhaust port at the same time.

The broken leaf collection device is a bag-type collector, which is provided with a number of air holes, and the induced draft fan is installed on the air duct.

The negative pressure suction generated by the suction device makes the large leaves at the top of the tobacco seedlings stand upright, the leaf cutter cuts off the large leaves or the tip of the large leaves, and the cut broken leaves are sucked into the broken leaf collection device through the air duct, and the broken leaves When it reaches a certain amount, take it out and pour it out.

Compared with the prior art, the utility model has the following beneficial effects:

1. The utility model realizes the reciprocating cutting through the shearing cutter, which avoids the disadvantages of hammering and crushing the leaves of the tobacco seedlings by the unsupported rotary cutter at present, so that no slurry is produced during the cutting process.

2. The negative pressure suction leaves generated by the suction device, on the one hand, makes the leaves stand upright, so that the cut leaves do not hurt the leaves, which is convenient for cutting, and on the other hand, the cut broken leaves can be directly sucked into the broken leaf collection device to avoid Broken leaves scattered on the seedbed bring black rot and other hazards to the tobacco seedlings.

Description of drawings

Fig. 1 - Schematic diagram of the first embodiment of the utility model.

Fig. 2 - Structural schematic diagram of the second embodiment of the utility model.

Figure 3 - Schematic diagram of the structure of the third embodiment of the utility model.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is further described.

Referring to Fig. 1, Fig. 2 and Fig. 3, as can be seen from the figure, the tobacco seedling cutting leaf equipment of the present utility model comprises a leaf cutting tool, a suction device and a broken leaf collection device, and the suction device includes a suction hood 3 and a The induced draft fan 7 that produces negative pressure in the suction hood, the blade cutter is positioned at the inlet of the suction hood, and the suction hood 3 is connected with the broken leaf collecting device through the air duct 5 . The leaf-cutting tool is composed of two groups of relatively movable blades, wherein one group is a movable blade 2, and the other group is a fixed blade 1, or both groups are movable blades. The upright large leaves are cut through the reciprocating motion of two sets of blades, which avoids the disadvantages of hammering and smashing the leaves of the tobacco seedlings by the unsupported rotary cutting knife at present, so that no slurry is generated during the cutting process.

The suction device makes the negative pressure generated in the suction hood 3 through the induced draft fan 7, and the negative pressure suction makes the large leaves at the top of the tobacco seedlings stand upright, and the leaf cutter cuts off the large leaves or the tips of the large leaves, and the cut leaves pass through Air duct 5 is sucked in the broken leaf collecting device, and when broken leaf reaches a certain amount, it is taken out and poured out again.

In order to make the negative pressure distribution in the suction hood 3 more uniform, a deflector 4 is arranged inside the suction hood 3 .

The broken leaf collecting device can be, but not limited to, the following three specific structural forms.

In the first embodiment, see Fig. 1, the broken leaf collection device is a cyclone collector 6, the induced draft fan 7 is located at the upper end of the cyclone collector 6, and the installation position of the induced draft fan forms an air outlet at the same time. This method adopts the cyclone type to collect broken leaves, and the cut broken leaves are sucked along the air pipe 5, rotate in the cyclone collector 6, and settle into the cyclone collector 6 under the action of centrifugal force and gravity, and the air passes through the induced draft fan 7 Discharge from the top of the cyclone collector 6.

In the second embodiment, see Fig. 2, the broken leaf collection device is a volumetric collector 8, the induced draft fan 7 is installed on the side wall of the volumetric collector 8, and the installation position of the induced draft fan forms an air outlet at the same time. Volumetric collection of broken leaves is adopted, and the cut broken leaves are sucked along the arc-shaped air duct 5, and the flow rate of the airflow in the volumetric collector 8 is reduced, so that the broken leaves fall into the volumetric collector 8, and the air passes through the induced draft fan 7 from the Volumetric collector 8 discharges.

In the third embodiment, see FIG. 3 , the broken leaf collection device is a bag collector 9 , which is provided with a number of airflow holes, and the induced draft fan 7 is installed on the air duct 5 . The broken leaves are collected in a bag type, the cut broken leaves are sucked along the air duct 5, blown into the bag collector 9 after passing through the induced draft fan 7, the air flows out from the air hole of the bag collector 9, and the broken leaves are trapped in the bag .

The tobacco seedling cutting equipment is installed on the frame and can move forward horizontally, so as to realize the cutting of tobacco seedlings. Each blade in the two groups of blades can be a one-way blade or a two-way blade. The two-way blade can cut the leaves by moving the tobacco seedling leaf cutting equipment forward and backward, so as to avoid idle travel and improve the leaf cutting efficiency.

The utility model can not only be used for cutting leaves of tobacco seedlings, but also can be used for cutting leaves when raising seedlings of other crops.

Finally, it is noted that the above embodiments are only used to illustrate the technical solutions of the present utility model without limitation. Although the utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the utility model can be Modifications or equivalent replacements of the technical solutions without departing from the purpose and scope of the technical solutions of the utility model shall be covered by the claims of the utility model.

Claims (8)

1. A tobacco seedling leaf-cutting device, including a leaf-cutting tool, is characterized in that: the tobacco seedling leaf-cutting device also includes a suction device and a broken leaf collection device, and the suction device includes a suction hood (3) and a suction The induced draft fan (7) that generates negative pressure inside the hood, the blade cutter is located at the inlet of the suction hood, and the suction hood (3) is connected to the broken leaf collection device through the air duct (5); Sporty blade composition. 2. The equipment for cutting leaves of tobacco seedlings according to claim 1, characterized in that: the suction hood (3) is provided with a deflector (4) for evenly distributing the negative pressure in the suction hood. 3. The equipment for cutting leaves of tobacco seedlings according to claim 1, characterized in that: one of the two sets of blades is a movable blade (2), and the other is a fixed blade (1) or a movable blade. 4. The equipment for cutting leaves of tobacco seedlings according to claim 3, characterized in that: each of the two sets of blades is a one-way blade or a two-way blade. 5. The equipment for cutting leaves of tobacco seedlings according to claim 1, characterized in that the equipment for cutting leaves of tobacco seedlings is installed on a frame. 6. The equipment for cutting leaves of tobacco seedlings according to claim 1 or 2 or 3 or 4, characterized in that: the broken leaf collecting device is a cyclone collector (6), and the induced draft fan (7) is located in the cyclone collector (6) The upper end and the installation position of the induced draft fan form an air outlet at the same time. 7. The equipment for cutting leaves of tobacco seedlings according to claim 1 or 2 or 3 or 4, characterized in that: the broken leaf collection device is a volumetric collector (8), and the induced draft fan (7) is installed on the volumetric collector On the side wall of the device (8), the air outlet is formed at the installation position of the induced draft fan. 8. The equipment for cutting leaves of tobacco seedlings according to claim 1 or 2 or 3 or 4, characterized in that: the broken leaf collecting device is a bag-type collector (9), and a number of airflow holes are arranged on the bag-type collector , the induced draft fan (7) is installed on the air duct (5).

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