CN217790397U - Stalk-pulling roller type impurity removing device and corn harvester thereof - Google Patents

Abstract

The utility model provides a draw miscellaneous device of stem roller formula row and maize picker thereof, should arrange miscellaneous device and install in the discharge gate top of lift conveyer, should arrange miscellaneous device including the first casing of installing drive roll and driven voller, and install the second casing of screw feeder, the straw that is located lift conveyer discharge gate department is pulled into in the first casing by the drive roll that interlocks mutually and driven voller, and transport the straw to second casing department, the screw feeder will be located its exit is delivered to the straw that the second casing is inboard immediately. Above structure, this arrange miscellaneous device can effectually will get into in the elevator no matter dry wet, length, thickness the straw homoenergetic by dragging into to carried to the external world by the screw feeder, make smooth and easy of elevator discharge gate, ensure maize picker's operating efficiency and life.

Description

Stalk-pulling roller type impurity removing device and corn harvester thereof

Technical Field

The utility model relates to an agricultural harvesting machine technical field specifically is a draw miscellaneous device of stem roller formula row and maize picker thereof.

Background

Corn is an annual herbaceous plant of the genus zea of the family gramineae, and is an important cereal crop in China, and the total yield of the corn is second to that of rice in recent years. According to statistical data, the position of corn in agricultural production is increasingly important, and the corn has been developed into important grain, feed and industrial raw material crops in China. With the development planning of fourteen-five national agricultural mechanization printed by the department of agricultural rural areas in China, thirteen-five periods are provided in the planning, the agricultural mechanization in China advances into the development period of the whole-course comprehensive high-quality high-efficiency transformation and upgrading, the agricultural production is turned to a new stage mainly depending on the mechanical power from the main dependence on manpower and animal power, the agricultural mechanization and intellectualization are greatly promoted, and the scientific and technological wing is inserted into the agricultural modernization, wherein the corn harvester is important equipment for realizing the corn mechanized operation.

During the process of harvesting corn, some straws and ears enter a feeding hole of the elevator together and are conveyed to a discharging hole under the action of the chain harrow and the scraper plate of the elevator, however, because the straws are limited in length, thickness, humidity and the like, partial straws are hung at the discharging hole, the discharging hole is easy to block due to limited throughput, so that the harvesting operation is influenced, and parts of the harvester are seriously damaged.

Through the above analysis, those skilled in the art need to develop a stalk-pulling roller type trash removal device capable of timely discharging the straws blocked at the discharge port of the elevator.

Disclosure of Invention

Technical problem to be solved

The utility model provides a draw miscellaneous device of stem roller formula row and maize picker thereof to in solving above-mentioned background art because of the straw jam in the elevator discharge gate department, thereby influence the operating efficiency, serious can damage the problem of harvester spare part.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

the utility model provides a stalk-pulling roller type impurity removing device, which comprises a first shell provided with a driving roller and a driven roller and a second shell provided with an auger, wherein,

the straws positioned at the discharge port of the elevator are pulled into the first shell by the meshed driving roller and driven roller, and are conveyed to the second shell, and then the straws positioned at the inner side of the second shell are conveyed to the outlet of the second shell by the auger.

In a possible implementation manner, an end portion of the first housing is connected to the discharge port, and a tail portion of the first housing is connected to an end portion of the second housing.

In one possible implementation, the central axis of the first housing is perpendicular to the central axis of the second housing.

In a possible implementation mode, the drive roll with the driven voller all includes roller and a plurality of blades and draws the stem sword, the quantity of drawing the stem sword is four, and it is alternate and evenly arrange along the axial on the roller, is located draw the stem sword on the drive roll with be located draw the interlock of stem sword looks on the driven voller.

In a possible implementation manner, the stem-pulling knife is made of nickel-cobalt alloy.

In one possible implementation, the roller shaft is embodied as solid or hollow.

In a possible implementation mode, the driving roller and the driven roller are installed on the shell through bearing seats, one end of a roller shaft of the driving roller is provided with a driving gear, the other end of the roller shaft of the driving roller is provided with a stem pulling chain wheel, a driven gear is arranged on the roller shaft of the driven roller, and the driving gear drives the driven gear to move in a manner of being meshed with the driving gear, so that the driving roller and the driven roller perform rotary motion.

In a possible implementation manner, the auger comprises a rotating shaft and blades, the rotating shaft is installed on the second shell through a bearing seat, an auger chain wheel is arranged at one end of the rotating shaft, and the blades are spirally fixed on the rotating shaft.

The utility model also provides a maize picker, this maize picker include the elevator, and foretell row's miscellaneous device, arrange miscellaneous device and install the discharge gate top of elevator, be equipped with first sprocket and second sprocket on the transmission shaft of elevator upper end.

In a possible implementation manner, the first chain wheel is connected with the stalk-pulling chain wheel of the impurity removing device through a first chain, and the first chain is meshed with the first chain wheel and the stalk-pulling chain wheel respectively;

the second chain wheel is connected with the auger chain wheel of the impurity discharging device through a second chain, and the second chain is meshed with the second chain wheel and the auger chain wheel respectively.

(III) advantageous effects

The utility model provides a draw miscellaneous device of stem roller formula row and maize picker thereof, should arrange miscellaneous device and install in the discharge gate top of lift conveyer, should arrange miscellaneous device including the first casing of installing drive roll and driven voller to and install the second casing of screw feeder, the straw that is located lift conveyer discharge gate department is occluded mutually the drive roll and driven voller pull in the first casing, and will the straw transports to second casing department, immediately the screw feeder will be located the second casing is inboard the straw is delivered to its exit. Above structure, this arrange miscellaneous device can effectually will get into in the elevator no matter dry wet, length, thickness the straw homoenergetic by dragging into to carried to the external world by the screw feeder, make smooth and easy of elevator discharge gate, ensure maize picker's operating efficiency and life.

Drawings

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.

Fig. 1 is a first schematic structural diagram of the impurity removing device according to a first embodiment;

FIG. 2 is an enlarged schematic view of part A according to the first embodiment;

FIG. 3 is a second schematic structural view of the impurity removing device according to the first embodiment;

FIG. 4 is an enlarged schematic view of the portion B according to the first embodiment;

FIG. 5 is a third schematic structural view of the impurity removing device according to the third embodiment;

FIG. 6 is a schematic structural view of the corn harvester according to the fourth embodiment;

illustration of the drawings: 1-a trash removal device; 11-a first housing; 12-a second housing; 131-a stalk pulling chain wheel; 132-a drive gear; 141-driven gear; 15-auger; 151-a rotating shaft; 152-a blade; 153-auger sprocket; 16-a roll shaft; 17-a stem-pulling knife; 18-a third housing; 2-elevator.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention. In addition, for the convenience of description, the terms "upper", "lower", "left" and "right" are used to refer to the same direction as the upper, lower, left, right, etc. of the drawings, and the terms "first", "second", etc. are used for descriptive distinction and have no special meaning.

In view of the problems in the prior art, the utility model provides a stalk-pulling roller type trash removal device, which comprises a first shell provided with a driving roller and a driven roller and a second shell provided with an auger, wherein,

the straws at the discharge port of the elevator are pulled into the first shell by the meshed driving roller and driven roller, and are conveyed to the second shell, and then the straws at the inner side of the second shell are conveyed to the outlet of the second shell by the auger.

In the concrete application scene, this row miscellaneous device can be effectual will get into in the elevator no matter dry wet, length, thickness the straw homoenergetic by the pulling come in to be carried to the external world by the screw feeder, make smooth and easy of elevator discharge gate, ensure maize picker's operating efficiency and life.

In some examples, the housing assembly includes the first housing and the second housing, an end of the first housing is connected with the discharge port, and a tail of the first housing is connected with an end of the second housing.

In a specific application scene, the first shell and the elevator and the second shell are fixed by bolt fasteners, and the impurity removing device is convenient to mount and dismount and high in production efficiency by adopting the bolt fasteners. Meanwhile, the first shell, the elevator and the second shell can be fixed by adopting a bolt fastener and can also be fixed by adopting a welding mode, on the premise that the product performance of the impurity removing device is not influenced, a person skilled in the art can select the fixing mode of the first shell, the elevator and the second shell according to actual needs, and the change of the fixing mode does not influence the protection range of the device.

The first shell and the second shell are made of steel plates through cutting, bending and welding, and the thickness of the steel plates is not less than 2mm. The outer surface of the steel plate is subjected to surface treatment by adopting a plastic spraying process, so that the surface rust prevention and corrosion prevention performance is improved.

In some examples, the central axis of the first housing is perpendicular to the central axis of the second housing.

In a specific application scenario, the first shell and the second shell are both of a cylindrical structure with openings at two ends, so that straws entering the first shell can only be discharged to the outside along a preset path, the openings at the head end and the tail end of the first shell are communicated, the openings at the head end and the tail end of the second shell are not communicated, and the central axes are perpendicular to each other, which is designed according to the overall structural layout of the corn harvester.

In some examples, the driving roller and the driven roller each comprise a roller shaft and a plurality of stem-pulling knives, the number of the stem-pulling knives is four, the stem-pulling knives are axially arranged on the roller shaft at intervals and uniformly, and the stem-pulling knives on the driving roller are meshed with the stem-pulling knives on the driven roller.

In a specific application scene, the straws are continuously conveyed between the driving roller and the driven roller by the chain harrow of the elevator, and under the action of the stalk-pulling knives on the respective roller shafts of the driving roller and the driven roller, the straws are pulled into the first shell and are cut off and then conveyed into the second shell. Because the stalk-pulling knife on the movable roller is meshed with the stalk-pulling knife on the driven roller, the continuity of pulling and cutting off the straws is ensured, and the blockage of the straws at the discharge hole is effectively avoided.

In some examples, the material of the broach is specifically nickel-cobalt alloy.

In the concrete application scene, the material of stem drawing sword not only can be nickel cobalt alloy, still can be for other materials, under the not influenced circumstances of the working property of guaranteeing to arrange miscellaneous fan, the material of stem drawing sword can be selected to the actual need by technical personnel in the field, and the scope of protection of this application is not influenced in the change of stem drawing sword material.

In some examples, the roller is embodied as solid or hollow.

In the concrete application scene, the roller is regular octagon prism shape, on the roller with internal thread hole and recess have been seted up on broach matched with lateral surface, the quantity of recess is N, be parallel to each other and adjacent groove interval equals between the recess, set up the groove of dodging along circumference evenly distributed on the roller.

In some examples, the driving roller and the driven roller are both mounted on the housing through a bearing seat, one end of a roller shaft of the driving roller is provided with a driving gear, the other end of the roller shaft of the driving roller is provided with a stem pulling chain wheel, a roller shaft of the driven roller is provided with a driven gear, and the driving gear drives the driven gear engaged with the driving gear to move so that the driving roller and the driven roller perform rotary motion.

In a specific application scene, the driving gear and the driven gear are both positioned on the same side of the first shell, gear transmission is adopted between the driving roller and the driven roller, and the gear transmission has the advantages of stable transmission, buffering and vibration absorption, simple structure, low cost and convenience in use and maintenance. In addition, the transmission structure between the driving roller and the driven roller can adopt gear transmission and other transmission structures such as chain transmission, belt transmission and the like, and under the premise of not influencing the working performance of the impurity removing device, a person skilled in the art can select the transmission structure according to actual needs, and the change of the transmission structure does not influence the protection range of the application.

In some examples, the auger comprises a rotating shaft and a blade, the rotating shaft is mounted on the second shell through a bearing seat, one end of the rotating shaft is provided with an auger chain wheel, and the blade is spirally fixed on the rotating shaft.

In a specific application scene, the blade can specifically select left-handed rotation or right-handed rotation according to the actual need, and the blade has smooth surface, high dimensional accuracy and surface hardness, makes this screw feeder operate steadily and transport capacity is strong. Meanwhile, in the rotating process of the blade, all parts are stressed uniformly, and the blade has better wear resistance, so that the service life of the blade is prolonged.

The impurity discharging device further comprises a third shell, the third shell is of a semi-closed structure, the third shell is wrapped with the auger chain wheel and fixedly connected with the second shell, and therefore the service life of the auger chain wheel and the working stability are guaranteed.

The utility model also provides a maize picker, this maize picker include the lift conveyer, and foretell row miscellaneous device, arrange miscellaneous device and install the discharge gate top of lift conveyer, be equipped with first sprocket and second sprocket on the transmission shaft of lift conveyer upper end.

In a specific application scenario, the corn harvester not only comprises the elevator and the impurity removing device, but also comprises a chassis, a header, a peeling part, a hopper and other parts, and other parts are well known in the art, so that the details are not repeated herein.

In some examples, the first sprocket is connected to the stalk sprocket of the trash removal device by a first chain that engages the first sprocket and the stalk sprocket, respectively;

the second chain wheel is connected with the auger chain wheel of the impurity discharging device through a second chain, and the second chain is meshed with the second chain wheel and the auger chain wheel respectively.

In a specific application scene, the driving roller and the rotating shaft of the impurity removing device are respectively connected with the elevator through chain transmission and move under the driving of the elevator. The driving roller and the rotating shaft of the impurity removing device can be connected with the elevator through chain transmission, other transmission structures such as belt transmission and gear transmission can be selected, on the premise that the working performance of the impurity removing device is not influenced, a person skilled in the art can select the transmission structure according to actual needs, and the change of the transmission structure does not influence the protection range of the application.

The first embodiment is as follows:

based on the above concept, as shown in fig. 1-4, in the specific application scenario of the stem-pulling roller type trash removal device provided by the present invention, as shown in fig. 1, the trash removal device comprises a first housing 11 mounted with a driving roller and a driven roller, and a second housing 12 mounted with an auger 15, wherein,

as shown in fig. 1, the straw at the outlet of the elevator 2 is pulled into the first housing 11 by the engaged driving and driven rollers and is transported to the second housing 12, and then the straw inside the second housing 12 is delivered to the outlet by the auger 15.

In the example, the end of the first housing 11 is connected to the discharge port, and the end of the first housing 11 is connected to the end of the second housing 12.

In the example, as shown in fig. 3, the central axis of the first housing 11 is perpendicular to the central axis of the second housing 12.

In an example, as shown in fig. 3, each of the driving roller and the driven roller includes a roller shaft 16 and stem-pulling knives 17, the number of the stem-pulling knives 17 is four, and the stem-pulling knives 17 are arranged on the roller shaft 16 at intervals and uniformly along the axial direction, as shown in fig. 4, the stem-pulling knives 17 on the driving roller are engaged with the stem-pulling knives 17 on the driven roller.

In an example, as shown in fig. 1, the driving roller and the driven roller are both mounted on the housing through a bearing seat, one end of a roller shaft 16 of the driving roller is provided with a driving gear, the other end of the roller shaft is provided with a stem pulling chain wheel 131, a roller shaft 16 of the driven roller is provided with a driven gear 141, and the driving gear drives the driven gear 141 engaged with the driving gear to move, so that the driving roller and the driven roller perform a rotational motion.

In an example, as shown in fig. 2, the auger 15 includes a rotating shaft 151 and a blade 152, the rotating shaft 151 is mounted on the second housing 12 through a bearing seat, an auger sprocket 153 is disposed at one end of the rotating shaft 151, and the blade 152 is spirally fixed on the rotating shaft 151.

Example two:

in the first embodiment, the stem drawing knife 17 is made of nickel-cobalt alloy, and the roller 16 is solid (not shown).

Example three:

on the basis of the first embodiment, as shown in fig. 5, the trash removal device 1 further includes a third casing 17, the third casing 17 is a semi-enclosed structure, and the third casing 17 covers the auger sprocket 153 and is fixedly connected to the second casing 12.

Example four:

based on the above concept, as shown in fig. 6, the utility model provides an in the concrete application scene of maize picker, as shown in fig. 1, this maize picker includes lift conveyor 2, and foretell row miscellaneous device 1, as shown in fig. 6, arrange miscellaneous device 1 and install lift conveyor 2's discharge gate top, be equipped with first sprocket and second sprocket on the transmission shaft of lift conveyor 2 upper end.

In an example, the first chain wheel is connected with the stalk-pulling chain wheel 131 of the impurity discharging device 1 through a first chain, and the first chain is meshed with the first chain wheel and the stalk-pulling chain wheel 131 respectively;

the second sprocket through the second chain with arrange miscellaneous device 1's auger sprocket and be connected, the second chain respectively with the second sprocket with the auger sprocket meshes mutually.

Those skilled in the art will appreciate that the drawings are merely schematic representations of one preferred implementation scenario and that the blocks or flow diagrams in the drawings are not necessarily required to implement the present invention.

Those skilled in the art will appreciate that the modules in the miscellaneous device in the implementation scenario may be distributed in the miscellaneous device in the implementation scenario according to the implementation scenario description, or may be correspondingly changed to be located in one or more miscellaneous devices different from the implementation scenario. The modules of the implementation scenario may be combined into one module, or may be further split into a plurality of sub-modules.

The above disclosure is only a concrete implementation scenario of the present invention, however, the present invention is not limited to this, and any changes that can be made by those skilled in the art should fall within the protection scope of the present invention.

Claims (10)

1. A stalk-pulling roller type impurity removing device is characterized in that the impurity removing device comprises a first shell (11) provided with a driving roller and a driven roller and a second shell (12) provided with an auger (15), wherein,

the straws at the discharge port of the elevator (2) are pulled into the first shell (11) by the engaged driving roller and driven roller, and are conveyed to the second shell (12), and then the straws positioned at the inner side of the second shell (12) are conveyed to the outlet of the second shell (12) by the auger (15).

2. A stem-pulling roll type trash removal device as claimed in claim 1, wherein an end portion of the first housing (11) is connected with the discharge port, and a tail portion of the first housing (11) is connected with an end portion of the second housing (12).

3. A stalk roll-type evacuation device as claimed in claim 2 wherein the central axis of said first housing (11) is perpendicular to the central axis of said second housing (12).

4. The stalk-pulling roll type trash discharging device as claimed in claim 1, wherein the driving roll and the driven roll each comprise a roll shaft (16) and a plurality of stalk-pulling knives (17), the number of the stalk-pulling knives (17) is four, and the four stalk-pulling knives are axially spaced and uniformly arranged on the roll shaft (16), and the stalk-pulling knives (17) on the driving roll are engaged with the stalk-pulling knives (17) on the driven roll.

5. The stalk-pulling roll type trash removal device as claimed in claim 4, wherein the stalk-pulling knife (17) is made of nickel-cobalt alloy.

6. A stalk-pulling roll evacuation device as claimed in claim 4, characterised in that the roll shaft (16) is embodied as solid or hollow.

7. The stem-pulling roll type trash removal device of claim 1, wherein the driving roll and the driven roll are mounted on the housing through bearing seats, one end of a roll shaft (16) of the driving roll is provided with a driving gear, the other end of the roll shaft is provided with a stem-pulling chain wheel (131), a roll shaft (16) of the driven roll is provided with a driven gear (141), and the driving gear drives the driven gear (141) engaged with the driving gear to move, so that the driving roll and the driven roll perform rotary motion.

8. The stem-pulling roller type trash removal device of claim 1, wherein the auger (15) comprises a rotating shaft (151) and a blade (152), the rotating shaft (151) is mounted on the second housing (12) through a bearing seat, one end of the rotating shaft (151) is provided with an auger sprocket (153), and the blade (152) is spirally fixed on the rotating shaft (151).

9. A maize harvesting machine, characterized in that it comprises an elevator (2), and a trash removal device (1) according to claims 1-8, said trash removal device (1) being mounted above the discharge opening of said elevator (2), a transmission shaft at the upper end of said elevator (2) being provided with a first chain wheel and a second chain wheel.

10. A corn harvester according to claim 9, characterized in that the first chain wheel is connected with the stalk pulling chain wheel (131) of the trash removal device (1) by a first chain, which is engaged with the first chain wheel and the stalk pulling chain wheel (131), respectively;

the second chain wheel is connected with an auger chain wheel (153) of the impurity discharging device (1) through a second chain, and the second chain is respectively meshed with the second chain wheel and the auger chain wheel (153).

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