CN110810022A

CN110810022A - Corn thresher

Info

Publication number: CN110810022A
Application number: CN201910868225.1A
Authority: CN
Inventors: 袁红光
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-16
Filing date: 2019-09-16
Publication date: 2020-02-21

Abstract

The invention discloses a corn thresher, which comprises an outer barrel, wherein a feed inlet is arranged at the top of the outer barrel, an inner barrel is arranged in the feed inlet, four rectangular first slotted holes are uniformly and radially arranged on the inner barrel, an included angle between the long edge of each first slotted hole and the axis of the inner barrel is 30 degrees, first shafts which are in one-to-one correspondence with the first slotted holes are arranged on the outer barrel, first supporting rods are arranged on the first shafts, first springs are arranged between the first supporting rods and the outer barrel, a first driving shaft is arranged on each first supporting rod, the first driving shaft is provided with first rolling wheels, the first rolling wheels are inserted into the inner barrel through the first slotted holes, two second shafts are symmetrically arranged on the outer cylinder, second supporting rods are respectively arranged on the two second shafts, a second spring is arranged between the second supporting rods and the outer cylinder, a second driving shaft is vertically arranged at the lower end of each second supporting rod, second rollers are arranged on the second driving shafts, and second slotted holes which are in one-to-one correspondence with the second rollers are formed in the inner cylinder. The invention can improve the defects of the prior art and improve the threshing effect of the corn thresher.

Description

Corn thresher

Technical Field

The invention relates to a corn threshing device, in particular to a corn thresher.

Background

The corn thresher is a device for threshing corn when planting crops and corns. Chinese utility model CN 207802828U discloses a corn thresher. The corn thresher with the structure has a simple structure, and good threshing effect and threshing yield are not easy to guarantee.

Disclosure of Invention

The invention aims to provide a corn thresher, which can overcome the defects of the prior art and ensure good threshing effect and threshing yield.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows.

The utility model provides a corn thresher, includes the urceolus, and the feed inlet is installed at the urceolus top, its characterized in that: an inner barrel is arranged in the feed port, four rectangular first slotted holes are uniformly and radially arranged on the inner barrel, the included angle between the long edge of each first slotted hole and the axis of the inner barrel is 30 degrees, first shafts which are in one-to-one correspondence with the first slotted holes are arranged on the outer barrel, first supporting rods are arranged on the first shafts, first springs are arranged between the first supporting rods and the outer barrel, first driving shafts are arranged on the first supporting rods, which are close to the ends of the inner barrel, first idler wheels are arranged on the first driving shafts, the first idler wheels are inserted into the inner barrel through the first slotted holes, two second shafts are symmetrically installed on the outer cylinder, second supporting rods are installed on the two second shafts respectively, a second spring is installed between the second supporting rods and the outer cylinder, a second driving shaft is vertically installed at the lower end of each second supporting rod, second rollers are installed on the second driving shafts, second slotted holes in one-to-one correspondence with the second rollers are formed in the inner cylinder, and the second rollers are inserted into the inner cylinder through the second slotted holes.

Preferably, a plurality of first grooves are uniformly distributed on the first roller, third springs are arranged in the first grooves, first ejecting blocks are arranged at the tops of the third springs, the tops of the first ejecting blocks are located on the outer sides of the first grooves, and second grooves are formed in the tops of the first ejecting blocks.

Preferably, the lower part of the inner cylinder is provided with a material collecting box, the tail end of the material collecting box is provided with a first discharge hole, the material collecting box is internally provided with a waste material box, the bottom surface of the waste material box is provided with a filter screen, the filter screen is positioned in the material collecting box, and the tail end of the waste material box is provided with a second discharge hole.

Preferably, a filter screen is installed on the outer side of the first discharge port, a storage box is installed between the filter screen and the first discharge port, and a negative pressure fan is connected to the outer side of the filter screen.

Preferably, the surface of the second roller is uniformly provided with a plurality of first bases, the first bases are provided with third shafts, the third shafts are provided with cutter heads, and the cutter heads are provided with blocking pieces.

Adopt the beneficial effect that above-mentioned technical scheme brought to lie in: the corn harvester is provided with four first rollers inclined by 30 degrees, the first rollers are provided with the ejector blocks with grooves, after the corn enters a feed port, the four rollers are matched with the ejector blocks at the top to firmly clamp the corn and rotate, and the corn harvester is suitable for the corn with different thicknesses, the first rollers are obliquely arranged, so that the rotation of the first rollers has a horizontal component which can drive the corn to rotate around the axis of the first rollers, the corn can rotate due to the oblique rotation of the first rollers when being conveyed downwards to the second rollers with the cutter heads, the cutter heads with buffer devices and baffle plates are arranged on the second rollers, the second rollers are tightly pressed on the corn under the force of the springs on the second supporting rods, the corn rotates simultaneously when the second rollers rotate, the corn can be separated from all positions from thin corn to thick corn, and meanwhile, the baffle plates on the cutter heads can increase the contact area between the cutter heads and the corn grains, can peel off the corn kernel with the kernel of corn more effectively, can collect the box that gathers materials after the kernel of corn breaks away from the kernel of corn, the kernel of corn can drop from the waste material box to through the screening of sieve mesh, the kernel of corn of missing into the waste material box can get back to the box that gathers materials, is collected by first discharge gate, and the kernel of corn is discharged from the second discharge gate of waste material box, thereby has guaranteed the effect of threshing of maize. The negative pressure fan is used for generating negative pressure inside the whole device, so that dust is prevented from overflowing in the threshing process, and the collection of corn kernels can be accelerated.

Drawings

FIG. 1 is a block diagram of one embodiment of the present invention.

Fig. 2 is a structural diagram of a first roller according to an embodiment of the present invention.

FIG. 3 is a diagram illustrating a first roller and a top block according to an embodiment of the present invention.

Fig. 4 is a partially enlarged view of a portion a in fig. 3.

Fig. 5 is a structural view of a second roller and a cutter head according to an embodiment of the present invention.

Fig. 6 is a partially enlarged view of a portion B in fig. 5.

Fig. 7 is a top view of a tool head structure according to an embodiment of the invention.

In the figure: 1. an outer cylinder; 2. a feed inlet; 3. an inner barrel; 4. a first shaft; 5. a first support bar; 6. a first spring; 7. a first drive shaft; 8. a first roller; 9. a first slot; 10. a second slot; 11. a second shaft; 12. a second support bar; 13. a second spring; 14. a second drive shaft; 15. a second roller; 16. a waste material box; 17. a material collecting box; 18. screening; 19. a first discharge port; 20. a second discharge port; 21. a first groove; 22. a third spring; 23. a first top block; 24. a second groove; 25. a first base; 26. riveting; 27. a first reed; 28. a third axis; 29. a cutter head; 30 baffle plates; 31. a fourth axis; 32. a second reed; 33. a stopper; 34. a second base; 35. a fourth spring; 36. a second top block; 37. filtering with a screen; 38. a material storage box; 39. a negative pressure fan.

Detailed Description

The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description and the description of the attached drawings, and the specific connection mode of each part adopts the conventional means of mature bolts, rivets, welding, sticking and the like in the prior art, and the detailed description is not repeated.

Referring to fig. 1-7, a specific embodiment of the present invention includes an outer cylinder 1, a feed inlet 2 is installed on the top of the outer cylinder 1, an inner cylinder 3 is installed in the feed inlet 2, four rectangular first slots 9 are uniformly and radially arranged on the inner cylinder 3, an included angle between a long side of the first slot 9 and an axis of the inner cylinder 3 is 30 °, a first shaft 4 corresponding to the first slots 9 is installed on the outer cylinder 1, a first support rod 5 is installed on the first shaft 4, a first spring 6 is installed between the first support rod 5 and the outer cylinder 1, a first driving shaft 7 is installed on the first support rod 5 near the end of the inner cylinder 3, a first roller 8 is installed on the first driving shaft 7, the first roller 8 is inserted into the inner cylinder 3 through the first slot 9, two second shafts 11 are symmetrically installed on the outer cylinder 1, second support rods 12 are respectively installed on the two second shafts 11, and a second spring 13 is installed between the second, the lower end of the second support rod is vertically provided with a second driving shaft 14, a second roller 15 is arranged on the second driving shaft 14, second slotted holes 10 which are in one-to-one correspondence with the second roller 15 are formed in the inner cylinder 3, and the second roller 15 is inserted into the inner cylinder 3 through the second slotted holes 10. A plurality of first grooves 21 which are uniformly distributed are formed in the first roller 8, third springs 22 are installed in the first grooves 21, first ejector blocks 23 are installed at the tops of the third springs, the tops of the first ejector blocks 23 are located on the outer sides of the first grooves 21, and second grooves 24 are formed in the tops of the first ejector blocks 23. When corn enters the inner barrel 3 from the feeding hole 2, the four first rollers 8 are pressed to the corn by the force of the first spring 6 and the first supporting rod 5, the second groove 24 on the surface of the first top block on the surface of the first rollers can increase the friction force of the rollers to the corn, so that the corn is prevented from sliding, when the first rollers 8 are driven to rotate by the first driving shaft 7 (the first driving shaft is connected with the driving motor which is not shown in the figure), the corn can be moved downwards by the downward component of the rotating force because the first rollers 8 incline by 30 degrees, the corn can be rotated along the axial direction of the corn by the horizontal component, so that the corn is rotated and dropped to the position of the second rollers 15, the cutter head 29 can be pressed to the corn by the second supporting rod 12 and the pressure of the second spring 13, when the corn is rotated and dropped, the second driving shaft 14 (the second driving shaft is connected with the driving motor which is not shown in the figure) drives the second rollers 15 to rotate, the corn kernels are quickly knocked off by the surface cutter head, the material collecting box 17 is installed on the lower portion of the inner barrel 3, the first discharge hole 19 is formed in the tail end of the material collecting box 17, the waste material box 16 is installed in the material collecting box 17, the filter screen 18 is installed on the bottom surface of the waste material box 16, the filter screen 18 is located in the material collecting box 17, and the second discharge hole 20 is formed in the tail end of the waste material box 16. A filter screen 37 is installed on the outer side of the first discharge hole 19, a storage box 38 is installed between the filter screen 37 and the first discharge hole 19, and a negative pressure fan 39 is connected to the outer side of the filter screen 37. The kernel of corn is beated and is fallen into in the collecting box 17, discharge by first discharge gate 19 and collect, the kernel of corn threshes and falls into waste material box 16, the kernel of corn of mistake income waste material box is filtered to collecting box 17 in by bottom screen 18, the kernel of corn is discharged by second discharge gate 20, the first base 25 of 15 surface uniform mounting of second gyro wheel a plurality of, install third axle 28 on the first base 25, install tool bit 29 on the third axle 28, installation separation blade 30 on the tool bit 29, when the tool bit contact maize threshes, the separation blade has increaseed the contact of blade with the kernel of corn, good threshing effect has been guaranteed.

In addition, the corn thresher is easy to damage corn kernels in the threshing process, so that more broken corn kernels are generated. The inventors have designed a specialized tool tip configuration for the configuration of the present example. The lower part of the base 25 is provided with a rivet 26, the rivet 26 is provided with a first reed 27, the first reed 27 is contacted with the lower part of the cutter head 29, the lower part of the baffle 30 is provided with a fourth shaft 31, two second reeds 32 are symmetrically arranged on two sides of the cutter head 29 on the fourth shaft 31, a stop 33 is arranged beside the fourth shaft 31 and corresponds to the positions of the second reeds 32, the stop 33 prevents the second reeds 32 from separating from the baffle 30 to shake, the middle position of the baffle 30 is provided with a second base 34 corresponding to the second reeds 32, a fourth spring 35 is arranged in the second base 34, the top end of the fourth spring 35 is provided with a second top block 36, the second top block 36 is selectively contacted with the second reeds, in the threshing process, the first reed 27 limits the cutter head 29 to rotate along the shaft 28 within a certain range, the flexible deformation action can be reduced, the impact force between the cutter head and corn kernels is relieved, when the cutter head 29 is, when the second reed 32 is extruded and deformed by the corn kernels, the cutter head 29 is exposed, the blocking piece 30 and the cutter head 29 stir the corn kernels together to separate the corn kernels, the second ejecting block 36 ensures that the second reed 32 cannot be excessively deformed and damaged, certain supporting force is provided for the second reed 32, and the breakage rate of the corn kernels is reduced. The second reed 32 can rotate to a certain extent around the fourth shaft 31 when deforming, so that the damage caused by excessive deformation of the connecting end of the second reed 32 and the baffle 30 is avoided.

The roller, the support rod, the filter screen and other devices used in the invention belong to the mature prior art, and the specific structure of the device is not described in detail.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a corn thresher, includes urceolus (1), and feed inlet (2), its characterized in that are installed at urceolus (1) top: an inner barrel (3) is arranged in the feed inlet (2), four rectangular first slotted holes (9) are uniformly and radially arranged on the inner barrel (3), an included angle between the long edge of each first slotted hole (9) and the axis of the inner barrel (3) is 30 degrees, first shafts (4) which are in one-to-one correspondence with the first slotted holes (9) are arranged on the outer barrel (1), first supporting rods (5) are arranged on the first shafts (4), first springs (6) are arranged between the first supporting rods (5) and the outer barrel (1), first driving shafts (7) are arranged at the ends, close to the inner barrel (3), of the first supporting rods (5), first rolling wheels (8) are arranged on the first driving shafts (7), the first rolling wheels (8) are inserted into the inner barrel (3) through the first slotted holes (9), two second shafts (11) are symmetrically arranged on the outer barrel (1), second supporting rods (12) are respectively arranged on the two second shafts (11), and second springs (13) are arranged between the second supporting rods (12) and the, a second driving shaft (14) is vertically arranged at the lower end of the second supporting rod, a second roller (15) is arranged on the second driving shaft (14), second slotted holes (10) which correspond to the second roller (15) one by one are formed in the inner cylinder (3), and the second roller (15) is inserted into the inner cylinder (3) through the second slotted holes (10).

2. The corn thresher of claim 1, wherein: a plurality of first grooves (21) which are uniformly distributed are formed in the first roller (8), third springs (22) are installed in the first grooves (21), first ejector blocks (23) are installed at the tops of the third springs, the tops of the first ejector blocks (23) are located on the outer sides of the first grooves (21), and second grooves (24) are formed in the tops of the first ejector blocks (23).

3. The corn thresher of claim 1, wherein: the waste material collecting box is characterized in that a material collecting box (17) is installed on the lower portion of the inner barrel (3), a first discharge port (19) is formed in the tail end of the material collecting box (17), a waste material box (16) is installed in the material collecting box (17), a filter screen (18) is installed on the bottom surface of the waste material box (16), the filter screen (18) is located in the material collecting box (17), and a second discharge port (20) is formed in the tail end of the waste material box (16).

4. The corn thresher of claim 3, wherein: filter screen (37) are installed in first discharge gate (19) outside, install storage case (38) between filter screen (37) and first discharge gate (19), and filter screen (37) outside is connected with negative-pressure air fan (39).

5. The corn thresher of claim 1, wherein: a plurality of first bases (25) are uniformly arranged on the surface of the second roller (15), a third shaft (28) is arranged on the first bases (25), a cutter head (29) is arranged on the third shaft (28), and a blocking piece (30) is arranged on the cutter head (29).