CN217694437U - Corn thresher - Google Patents

Abstract

The utility model provides a corn thresher, is including setting up flexible guide mechanism (3) on discharge mechanism, and its technical essential is: the flexible material guide mechanism (3) comprises a feeding component (31), a flexible component (32) and a discharging component (33) which are arranged in sequence; the feeding assembly (31) comprises a bearing seat (313), a rigid body which is fixed on the bearing seat (313) and is provided with a feeding hole (311), a first transmission shaft (312) which is rotationally limited on the bearing seat (313), and a transmission wheel (312 a) which synchronously rotates with the first transmission shaft (312); the discharging component (33) comprises a transition sleeve (332), a plurality of rigid supporting rods (331) fixed on the transition sleeve (332) along the circumferential direction, a sealing head (334) fixed at the tail end of the supporting rods (331), a mandrel (335) limited in the sealing head (334), and a second transmission shaft (333) rotatably limited on the mandrel (335). The device has the advantages of simple and compact structure, convenience and rapidness in use, low maintenance cost, low failure rate and the like.

Description

Corn thresher

Technical Field

The utility model relates to agricultural equipment, in particular to a corn thresher.

Background

The corn has the comprehensive advantages of high nutritive value, good taste, high added value, good benefit, low fat, high fiber and the like and fashionable characteristic, at present, the total planting area of the fresh corn in China exceeds 2000 ten thousand acres, the market consumption reaches 570 hundred million ears, and the corn is a new corn industry following the deep processing of corn feed and corn. After harvesting the corn, the corn kernels and the corn stalks need to be separated by a corn thresher.

The utility model discloses a "corn thresher" as utility model patent application publication No. CN112544247A, the box left end is close to the top position intercommunication conveying body among this technical scheme, arrange the conveying body intercommunication feeder hopper outside the box body chamber in, the built-in returning face plate of feeder hopper, form the chamber of threshing between horizontal segmental arc baffle and the box top, form the album grain chamber between horizontal segmental arc baffle and the bottom half, it smashes the chamber to form the core between vertical baffle and the box right-hand member, the cover is equipped with two at least incomplete gears in the drive shaft, the cover is equipped with the removal frame on the incomplete gear, remove frame bottom fixed connection pushing body, the catch bar extends to arrange in on the hoist and mount track that guide body top corresponding position was equipped with, auger leaf from left to right is equipped with in proper order on the roller, threshing muscle and first umbrella type gear, auger leaf is arranged in the conveying body intracavity, the threshing muscle is arranged in the guide body, core crushing chamber top is arranged in to first umbrella type gear, the guide body intracavity is close to the right-hand member symmetry and is equipped with a set of baffle.

The utility model discloses a "corn thresher" as laid open No. CN 110558058A's utility model patent application discloses, this technical scheme includes threshing warehouse, feeder hopper and landing leg, threshing warehouse bottom is the opening form, netted conveyer belt both ends are supported by the conveyer belt gear train, threshing warehouse is passed to one of them end of conveyer belt pivot, and install second conveyer belt gear at the tip, threshing roller one of them tip of threshing roller group passes threshing warehouse, and install threshing roller gear train at the tip, it is equipped with first driven pulley still to overlap on one of threshing roller tip of threshing roller group, first driving pulley cover is established on the output of motor, still overlap on the output of motor and be equipped with second driving pulley, the second driven pulley cover is established on assisting the pivot, install umbellate form gear train in the assistance pivot, install the power shaft on the umbellate form gear train, first conveyer belt gear is installed to the tip of power shaft, the interval of threshing roller group and netted conveyer belt reduces along the corn cob moving direction gradually.

However, the above-described technical solutions have the following problems: the feeding space is small, which causes inconvenient operation. The discharge port is completely fixed and cannot be freely adjusted, and the poor degree of freedom is inconvenient to use during discharging.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a corn thresher, fundamentally has solved above-mentioned problem, and it has simple structure compactness, convenient to use is swift, maintenance cost is low, fault rate low grade advantage.

In order to achieve the above purpose, the utility model provides a following technical scheme: this corn thresher, including setting up the flexible guide mechanism on discharge mechanism, its technical essential is: the flexible material guide mechanism comprises a feeding assembly, a flexible assembly and a discharging assembly which are arranged in sequence;

the feeding assembly comprises a bearing seat, a rigid body which is fixed on the bearing seat and provided with a feeding hole, a first transmission shaft which is rotationally limited on the bearing seat, and a transmission wheel which synchronously rotates with the first transmission shaft;

the discharging assembly comprises a transition sleeve, a plurality of rigid supporting rods which are fixed on the transition sleeve along the circumferential direction, an end socket fixed at the tail end of each supporting rod, a mandrel limited in the end socket and a second transmission shaft which can be rotatably limited on the mandrel;

the flexible assembly comprises an auger for connecting the first transmission shaft and the second transmission shaft and a hose for connecting the feeding assembly and the flexible assembly.

Furthermore, the two ends of the hose are respectively sleeved on the rigid bodies of the transition sleeve and the feeding assembly and are prevented from falling off through the clamp.

Furthermore, the packing auger is fixed on the second transmission shaft through a U-shaped clamp.

Furthermore, the support rod is provided with a hook.

The utility model has the advantages that: on the whole technical scheme, a single motor drives a motor wheel and a main shaft wheel to act at the same linear speed, and the main shaft wheel drives a movable sieve wheel and a cam to rotate at the same angle, so that reciprocating vibration of a large sieve is driven, and corn kernels separated from corn cobs are guided to a kernel outlet. One end of the main shaft directly drives the threshing rod to rotate around the threshing rod to drive the corn cobs to continuously collide with the hood at the ram to realize threshing, and the corn kernels fall into a large sieve of the blanking mechanism through sieve sheets; the other end of the main shaft drives the fan blades to discharge impurities generated in the threshing process from the impurity outlet, and drives the driving wheel and the driving wheel to rotate at the same linear speed, so that the auger is driven to rotate, and the materials are led out.

The thresher can be driven completely by a single motor, and the structure is simple and compact. Complex structure matching linkage is not needed, so that the failure rate is lower. Its flexible guide mechanism is through setting up middle part flexible hose, conveniently adjusts the blanking position, convenient to use safety.

Drawings

Fig. 1 is a schematic side view of the present invention.

Fig. 2 is a schematic top view of the present invention.

Fig. 3 is a schematic view of the front view and the main view structure of the present invention.

Fig. 4 is a schematic structural diagram of the lifting mechanism of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings and 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 all belong to the protection scope of the present invention.

Example 1

The corn thresher comprises a rigid support (not marked in the figure), a driving mechanism 4, a threshing mechanism 5, a blanking mechanism 2 and a flexible material guide mechanism 3 arranged at the discharge end of the blanking mechanism 2.

The driving mechanism 4 mainly includes a motor 41 fixed on one side of the rigid support, and a motor wheel 411 arranged at the output end of the motor 41.

The threshing mechanism 5 comprises a main shaft 54 limited on a rigid support, a plurality of threshing rods 52 which are provided with hammers 521 and are circumferentially arranged by taking the main shaft 54 as the center, and a sieve sheet 53 limited below the main shaft 54. Further, the main shaft 54 is limited by bearing seats and bearings (not labeled in the figure) at both ends. One end of the spindle 54 is provided with a spindle wheel 541, the motor wheel 411 is connected with the outer side of the spindle wheel 541 through a belt, and the inner side of the spindle wheel 541 is connected with the cam 251. A fan 511 rotating synchronously is fixed to the other end of the main shaft 54. In order to cooperate with the driving wheel 542, the main shaft 54 is further provided with a driving wheel 312a.

For stopping scattering of material or impurity in the kernel of corn disengaging process, guarantee simultaneously that the kernel of corn after the separation falls into macroscreen 21 according to preset position, compromise the technology degree of difficulty and manufacturing cost, and set up shell subassembly 1 on the rigid support. The housing assembly 1 mainly comprises an upper enclosure 14, a lower enclosure 15, a fan blade shroud (not marked in the figure), etc. For the purpose of feeding the material, a feed chute 11 is provided in the upper hood 14. In order to realize the normal operation of the dust removing mechanism 51 and discharge the impurities, an air inlet 512 and an impurity outlet 12 are provided on the blade cover.

The blanking mechanism 2 is arranged under the threshing mechanism 5, the blanking mechanism 2 comprises a connecting rod 24 which is arranged on a rigid support or a shell component 1 in a swinging mode, a movable sieve wheel 25 which is limited on the rigid support, a large sieve 21 (the rear end part is hinged to ensure the whole downward inclination of the large sieve 21) which is hinged to the connecting rod 24, and a grain outlet 22 which is arranged on one side of the large sieve 21, wherein the grain outlet 22 is matched with a feeding hole 311 at one end of the flexible material guiding mechanism 3 through a connecting groove 23. The large sieve 21 is pulled and linked by a cam 251 coaxially arranged with the movable sieve wheel 25 through the guide wheel 26, and the corn kernels in the large sieve 21 are slidingly conveyed to the kernel outlet 22 in a reciprocating vibration mode.

The flexible material guiding mechanism 3 comprises a feeding assembly 31, a flexible assembly 32 and a discharging assembly 33 which are arranged in sequence. The feeding assembly 31 comprises a bearing seat 313 limited with a first bearing group 313a, a rigid body fixed on the bearing seat 313 and provided with a feeding hole 311, a first transmission shaft 312 rotationally limited on the bearing seat 313, and a transmission wheel 312a synchronously rotating with the first transmission shaft 312. The discharging component 33 comprises a transition sleeve 332, a plurality of rigid supporting rods 331 fixed on the transition sleeve 332 along the circumferential direction, a sealing head 334 fixed at the end of the supporting rod 331, a core shaft 335 limited in the sealing head 334, and a second transmission shaft 333 rotatably limited on the core shaft 335 through a second bearing set 333 a.

The flexible assembly 32 includes an auger 321 for engaging the first and second shafts 312, 333, and a hose 322 for connecting the feeding assembly 31 and the flexible assembly 32. Wherein, the two ends of the hose 322 are respectively sleeved on the support bar 331 and the rigid body of the feeding component 31, and are prevented from falling off by the clip 34. Discharge ports are naturally formed between the rigid support rods 331, and materials can flow out from the corresponding discharge ports under the self-weight. In order to facilitate the mounting of the end of the flexible material guiding mechanism 3, a hook 331a is provided on the supporting rod 331. The auger 321 is secured to the second drive shaft 333 by a clevis 336.

In use, the output end of the motor 41 drives the spindle wheel 541 through the motor wheel 411, and the spindle wheel 541 drives the sieve wheel 25 and the spindle 54 to rotate at the same time. By driving the driving wheel 312a, the driving wheel 312a drives the first transmission shaft 312 to rotate, the first transmission shaft 312 drives the auger 321 to rotate, the other end of the auger 321 is inserted into the U-shaped clamp 336, the U-shaped clamp 336 penetrates into the second transmission shaft 344, the second transmission shaft 344 drives the first transmission shaft 312 at the same time, and the corn kernels are conveyed upwards by the transmission of the auger 321, conveyed to the discharging assembly 33, discharged from a discharging port (not marked in the figure) and dropped into a collecting box (not shown in the figure). The direct transmission material, simple structure is practical, through setting up hose 32, and the arbitrary angle of flexible guide mechanism 3 is put, does not receive the place restriction, convenient to use. The problem of current discharge gate position adaptability poor is solved.

The material is guided into the threshing mechanism 5 from the feeding groove 1, the corn kernels are separated from the corn cobs, and the threshed corn cobs are discharged from the corn cob outlet 13. The light impurities mixed in the corn grains are discharged from the impurity outlet 12 under the action of the air exhaust mechanism 51. The corn kernels fall through the perforated sifter 53 into the large sifter 21. The driving mechanism 4 drives the large sieve 21 to reciprocate under the swing limit of the connecting rod 24 through the movable sieve wheel 25 and the cam 251, so that the corn kernels in the large sieve sequentially fall into the flexible material guiding mechanism 3 with an adjustable angle from the kernel outlet 22 and the connecting groove 23, and are guided out of a corresponding material collecting box (not shown in the figure) through the flexible material guiding mechanism 3.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "center", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the products of the present invention are usually placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may include, for example, a fixed connection, an integral connection, or a detachable connection; may be communication within two elements; they may be directly connected or indirectly connected through an intermediate, and those skilled in the art can understand the specific meaning of the above terms in the present invention in specific situations.

Description of reference numerals:

1. the device comprises a shell component, an 11 material inlet groove, a 12 impurity outlet, a 13 rod outlet, 14 upper machine cover and 15 lower machine cover;

2. the device comprises a blanking mechanism, a 21-mesh sieve, a 22-grain outlet, a 23-connecting groove, a 24-connecting rod, a 25-moving sieve wheel, a 251 cam and a 26-guiding wheel;

3. the device comprises a flexible material guide mechanism, a 31 feeding component, a 311 feeding port, a 312 first transmission shaft, a 312a transmission wheel, a 313 bearing seat, a 313a first bearing group, a 32 hose, a 321 packing auger, a 33 discharging component, a 331 supporting rod, a 331a hook, a 332 transition sleeve, a 333 second transmission shaft, a 333a second bearing group, a 334 end socket, a 335 mandrel, a 336U-shaped clamp and a 34 clamp;

4. a driving mechanism, a 41 motor and a 411 motor wheel;

5. threshing mechanism, 51 dust removing mechanism, 511 fan blades, 512 air inlet holes, 52 threshing rod, 521 ram, 53 sieve sheet, 54 main shaft, 541 main shaft wheel and 542 driving wheel.

Claims (4)

1. The utility model provides a corn thresher, includes flexible guide mechanism (3) of setting on discharge mechanism, its characterized in that: the flexible material guide mechanism (3) comprises a feeding component (31), a flexible component (32) and a discharging component (33) which are arranged in sequence;

the feeding assembly (31) comprises a bearing seat (313), a rigid body which is fixed on the bearing seat (313) and is provided with a feeding hole (311), a first transmission shaft (312) which is limited on the bearing seat (313) in a rotating way, and a transmission wheel (312 a) which rotates synchronously with the first transmission shaft (312);

the discharging component (33) comprises a transition sleeve (332), a plurality of rigid supporting rods (331) fixed on the transition sleeve (332) along the circumferential direction, a sealing head (334) fixed at the tail end of the supporting rods (331), a mandrel (335) limited in the sealing head (334) and a second transmission shaft (333) rotatably limited on the mandrel (335);

the flexible assembly (32) comprises an auger (321) for connecting the first transmission shaft (312) and the second transmission shaft (333), and a hose (322) for connecting the feeding assembly (31) and the flexible assembly (32).

2. The corn thresher of claim 1, wherein: two ends of the hose (322) are respectively sleeved on the transition sleeve (332) and the rigid body of the feeding assembly (31) and are prevented from falling off by the clips (34).

3. The corn thresher of claim 1, wherein: the packing auger (321) is fixed on the second transmission shaft (333) through a U-shaped clamp (336).

4. A corn thresher according to claim 1, 2 or 3, wherein: the support rod (331) is provided with a hook (331 a).

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