CN211129010U - Smash and air suction trash removal device and contain its maize picker - Google Patents

Abstract

The utility model relates to a pulverizing and air suction impurity discharge device and a corn harvester containing the same, which is characterized in that the utility model comprises: a casing, the bottom of the casing is open, and one side of the top is provided with an impurity discharge port; a rotating shaft , distributed between the bottom opening of the casing and the miscellaneous discharge port, and is rotatably arranged in the casing; the movable knife mounting seat, the two movable knife mounting seats are fixed on the rotating shaft at intervals, and each The movable knife mounting seat is formed with a plurality of fixed teeth distributed around the circumferential direction of the rotating shaft, and a moving knife is installed between each two of the fixed teeth between the two movable knife mounting seats; the fixed knife, The fixed knife is distributed on one side of the rotating shaft and is fixedly installed in the casing. When the movable knife rotates with the rotating shaft and passes the position of the fixed knife, the blade surface of the fixed knife There is a gap between the end and the edge face end of the movable knife.

Description

A device for crushing and air suction and impurity removal and a corn harvester containing the same

technical field

The utility model relates to a crushing and air-absorbing and impurity-removing device and a corn harvester containing the same, belonging to the field of agricultural harvesting machinery.

Background technique

Corn harvester is a kind of mechanical equipment widely used in corn harvesting. When the corn harvester is harvesting corn, corn stalks, leaves and weeds can easily enter the working mechanism of the harvester and the ear collection box, resulting in low harvest purity of the corn ear, and in severe cases, the working mechanism is blocked and machine failure occurs.

At present, the impurity removal device of the commercially available corn harvester usually adopts a blower fan mechanism. The air outlet is mostly located at the end of the elevator and at the feeding inlet of the peeler. Fang blows away. In this impurity removal process, due to the existence of guides, when there are too many impurities, especially when the straw is long, it cannot be discharged by wind, which is easy to cause blockage and affect the slag discharge efficiency; in addition, the impurities inside the elevator cannot be discharged through this type of fan. , When there are too many impurities, it is easy to block the elevator mechanism.

SUMMARY OF THE INVENTION

In view of the above-mentioned problems, the purpose of the present utility model is to provide a crushing and air suction and impurity discharge device and a corn harvester containing the same, which can crush and wind the straw, leaves and weeds in the elevator mechanism, Reduce the failure rate of the elevator mechanism and even the corn harvester, improve the efficiency of impurity removal, and improve the purity of corn ear harvesting.

In order to achieve the above-mentioned purpose, the present utility model adopts the following technical solutions, a pulverization and air suction and impurity discharge device, which is characterized in that, comprising:

a casing, the bottom of the casing is open, and one side of the top is provided with an impurity discharge port;

a rotating shaft, which is distributed between the bottom opening of the casing and the impurity discharge port, and is rotatably arranged in the casing;

A movable knife mounting seat, the two movable knife mounting seats are fixed on the rotating shaft at intervals, and a plurality of fixed teeth distributed around the circumferential direction of the rotating shaft are formed on each of the movable knife mounting seats. A movable knife is installed between each two of the fixed teeth between the movable knife mounting seats, so that a plurality of the movable knives are distributed in the form of fan blades relative to the rotating shaft;

Fixed knife, the fixed knife is distributed on one side of the rotating shaft and fixedly installed in the casing, when the movable knife rotates with the rotating shaft and passes the position of the fixed knife, the fixed knife There is a gap between the blade face end of the movable knife and the blade face end of the movable knife.

Preferably, the shell is a snail-shaped shell, the bottom of the snail-shaped shell is opened with an opening, and the port of the snail-shaped shell is an impurity discharge port.

Preferably, a guide air duct is communicated and arranged at the impurity discharge port of the casing.

Preferably, the guide air duct adopts an L-shaped air duct.

Preferably, one end of the rotating shaft extends out of the casing, and a power driving wheel is provided on one end of the rotating shaft.

Preferably, the rotating shaft is rotatably connected in the casing through two bearings, and the two bearings are respectively fixedly arranged on the side walls of the casing on the corresponding side.

The present invention also provides a corn harvester, which is characterized in that it includes a corn harvester body and the above-mentioned crushing and air suction and impurity removal device, and the crushing and air suction and impurities removal device is installed in the corn harvester body. At the opening of the middle casing of the elevator, the bottom opening of the casing communicates with the opening of the middle casing of the elevator.

The utility model has the following advantages due to the adoption of the above technical solutions:

In the pulverizing and air-absorbing and impurity-removing device of the utility model, a plurality of moving knives are installed on the rotating shaft in the casing through the moving knife fixing seat, and the multiple moving knives are distributed in the form of fan blades relative to the rotating shaft, and the rotation of the rotating shaft drives the plurality of moving knives to rotate Therefore, a negative pressure wind is formed in the casing, and impurities such as straw can be sucked into the casing, cut and pulverized under the cooperation of the movable knife and the fixed knife, and then moved to the impurity discharge port with the negative pressure wind to be discharged. The utility model It can avoid blockage, reduce failure rate, and improve impurity removal efficiency. At the same time, the utility model has the functions of crushing, air suction and impurity removal, no additional fan structure is required, the whole device has simple structure, low power consumption and low manufacturing cost.

Correspondingly, the corn harvester equipped with the crushing and air suction and impurity discharge device can crush and wind the straw, leaves and weeds in the elevator mechanism, and reduce the failure rate of the elevator mechanism and even the corn harvester. , improve the efficiency of impurity removal, and improve the purity of corn ear harvesting.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present utility model;

Fig. 2 is the front view structure schematic diagram of the present utility model;

Fig. 3 is the sectional structure schematic diagram of the present utility model;

Fig. 4 is the structural representation of the corn harvester of the present utility model;

FIG. 5 is a schematic view of the front structure of the corn harvester of the present invention.

Detailed ways

The preferred embodiments of the present utility model will be described in detail below in conjunction with the accompanying drawings, so as to more clearly understand the purpose, features and advantages of the present utility model. It should be understood that the embodiments shown in the accompanying drawings are not intended to limit the scope of the present invention, but are only intended to illustrate the essential spirit of the technical solutions of the present invention.

As shown in FIG. 1 , the utility model provides a crushing and air suction and impurity discharge device, which includes a casing 1, a rotating shaft 2, a movable knife mounting seat 3, a movable knife 4 and a fixed knife 5; the bottom of the casing 1 is open One side of the top is provided with an impurity discharge port; the rotating shaft 2 is distributed between the bottom opening of the casing 1 and the impurity discharge port, and is rotatably arranged in the casing 1; the two movable knife mounting seats 3 are fixed on the rotating shaft at intervals 2, each movable knife mounting seat 3 is formed with a plurality of fixed teeth 31 distributed around the circumferential direction of the rotating shaft 2, and a movable knife 4 is installed between every two fixed teeth 31 between the two movable knife mounting seats 3, and then The plurality of movable knives 4 are distributed in the form of fan blades relative to the rotating shaft 2, and the fixed knives 5 are distributed on one side of the rotating shaft 2 and fixedly installed in the casing 1. When the movable knives 4 rotate with the rotating shaft 2 and pass the fixed knife 5 In the position, there is a gap between the blade end of the stationary blade 5 and the blade end of the movable blade 4 .

When in use, the rotating shaft 2 is connected with the power mechanism, and the power mechanism drives the rotating shaft 2 to rotate, which in turn drives a plurality of moving knives 4 in the form of fan blades to rotate continuously, so that a negative pressure wind is formed in the casing 1, and the external straw, leaves, Impurities such as weeds are continuously sucked into the interior of the casing 1 from the bottom opening of the casing 1, and the moving knife 4 continuously rotates to cut large straws, leaves and weeds. At the same time, the moving knife 4 rotates with impurities. When there is a gap between the blade face end of the knife 4 and the blade face end of the fixed knife 5, impurities such as straw, leaves, weeds, etc. are continuously cut and crushed, and then, driven by the negative pressure wind and the moving blade 4, they are cut and crushed. The straw, leaves and weeds after moving to the waste discharge port are discharged, so as to avoid blockage, reduce the failure rate, and improve the efficiency of waste removal. The fan structure makes the whole device simple in structure, simple in transmission structure, low in power consumption and low in manufacturing cost.

In a preferred embodiment, the shell 1 is a snail-shaped shell, the bottom of the snail-shaped shell is opened with an opening, and the port of the snail-shaped shell is a miscellaneous discharge port.

In a preferred embodiment, when the device of the present invention is used in conjunction with other equipment, a guide air duct 6 can be communicated and arranged at the impurity discharge port of the housing 1. In this way, the discharge position of impurities can be easily changed and the influence of impurities can be avoided. operation of other equipment.

In a preferred embodiment, the guide air duct 6 adopts an L-shaped air duct.

In a preferred embodiment, in order to facilitate the connection between the rotating shaft 2 and the power mechanism, one end of the rotating shaft 2 protrudes from the outside of the housing 1, and a power driving wheel 7 is provided at this end.

In a preferred embodiment, the rotating shaft 2 is rotatably connected in the casing 1 through two bearings 8, and the two bearings 8 are respectively fixed on the side walls of the casing 1 on the corresponding side, so that the rotating shaft 2 is stably connected to the casing. 1 inside.

As shown in FIG. 4 and FIG. 5 , the present utility model also provides a corn harvester, which includes a corn harvester body 100 and the crushing and air suction and impurity removal device in any of the above-mentioned embodiments, and the crushing and air suction and impurities removal device is installed. At the opening of the middle casing of the elevator 101 in the corn harvester body 100, the bottom opening of the casing 1 is communicated with the opening of the middle casing of the elevator 101. In order to facilitate the discharge of impurities to the outside of the corn harvester, A guide air duct 6 is communicated and arranged at the weed discharge port of the housing 1 to change the discharge position and direction of straw, leaves and weeds, which is beneficial to the safe operation of the corn harvester.

When in use, the rotating shaft 2 of the crushing and air-absorbing and impurity-removing device is connected to the power mechanism on the main body 100 of the corn harvester through the transmission mechanism, and the rotating shaft 2 rotates to drive the high-speed rotation of the movable knife 4, which can remove the straw and leaves in the elevator 101. And the weeds are sucked into the casing 1, the moving knife 4 continuously rotates to cut large straws, leaves and weeds, and at the same time, the moving knife 4 rotates with impurities, and the moving knife 4 passes through the blade end of the blade 4 and the blade of the fixed blade 5. When there is a gap between the ends, the straw, leaves, weeds and other impurities are continuously cut and crushed, and then, driven by the negative pressure wind and the moving knife 4, the cut and crushed straw, leaves and weeds move to the waste discharge port. , and is discharged through the guide air duct 6 . It can effectively pulverize the straw, leaves and weeds in the elevator 101, and discharge them to the outside of the corn harvester body 100, reduce the failure rate of the elevator mechanism and even the corn harvester, improve the impurity removal efficiency, and improve the Corn ear harvest purity.

The present invention is only described by the above-mentioned embodiments, and the structure, arrangement position and connection of each component can be changed to some extent. On the basis of the technical solution of the present invention, any improvement or equivalent transformation of individual components according to the principles of the present invention shall not be excluded from the protection scope of the present invention.

Claims (7)

1. a pulverizing and air suction and impurity removing device is characterized in that, comprising: a casing (1), the bottom of the casing (1) is open, and one side of the top is provided with an impurity discharge port; a rotating shaft (2), distributed between the bottom opening of the casing (1) and the impurity discharge port, and is rotatably arranged in the casing (1); A movable knife mounting seat (3), the two movable knife mounting seats (3) are fixed on the rotating shaft (2) at intervals, and each movable knife mounting seat (3) is formed around the rotating shaft (2) a plurality of fixed teeth (31) distributed in the circumferential direction of the The moving blade (4) is in the form of fan blade distribution relative to the rotating shaft (2); A fixed knife (5), the fixed knife (5) is distributed on one side of the rotating shaft (2) and is fixedly installed in the casing (1). When the movable knife (4) follows the rotating shaft ( 2) When rotating and passing the position of the fixed knife (5), there is a gap between the edge surface end of the fixed knife (5) and the edge surface end of the movable knife (4). 2. a kind of pulverizing and air suction and impurity removing device as claimed in claim 1, is characterized in that: The shell (1) is a snail-shaped shell, the bottom of the snail-shaped shell is provided with an opening, and the port of the snail-shaped shell is an impurity discharge port. 3. A pulverizing and air-sucking and impurity-removing device according to claim 1 or 2, characterized in that: a guide air duct (6) is communicated and arranged at the impurity-removing port of the casing (1). 4 . The device for crushing and air suction and impurity removal according to claim 3 , wherein the guide air duct ( 6 ) adopts an air duct with an L-shaped structure. 5 . 5. A pulverizing and air-absorbing and impurity-removing device as claimed in claim 1, characterized in that: one end of the rotating shaft (2) protrudes from the outside of the casing (1), and is located on the rotating shaft (2). ) is provided with a power drive wheel (7). 6. A pulverizing and air-absorbing and impurity-removing device according to claim 1, characterized in that: the rotating shaft (2) is rotatably connected in the housing (1) through two bearings (8), and the two Bearings (8) are respectively fixedly arranged on the side walls of the casing (1) on the corresponding side. 7. A corn harvester, characterized in that it comprises a corn harvester body (100) and the pulverizing and air-suction impurity-removing device as claimed in claim 3 or 4, wherein the pulverizing and air-suction impurity-removing device is installed in the At the opening of the middle casing of the elevator (101) in the corn harvester body (100), the bottom opening of the casing (1) communicates with the opening of the middle casing of the elevator (101). .

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