KR101988268B1 - A chaff crusher having a shaft double seal structure - Google Patents

Abstract

The present invention relates to an image forming apparatus comprising: a housing having an inner space portion opened at a front surface; A disk-shaped disk disposed in a space center region of the housing; A drive unit for transmitting rotational power to the disk; A compression crushing unit disposed on a front surface of the disk for compressing and crushing hulls; And a cover covering the space portion of the housing and the compression grinding unit, the cover having a rice husk inlet and an exit port, wherein the compression grinding unit is disposed on the left and right sides of the front surface of the disk, A pair of spindles connected to the rear ends of the shafts and inserted into the disk, and a pair of spindles connected to the rear ends of the shafts, And at least two bearings interposed between the compression crushing roller and the shaft; and a plurality of bearings which are fitted to the shaft and are seated in the inner ring part of the front bearing of the at least two bearings A first inner sealing member having an obverse surface portion and a second inner sealing member sandwiched between the shaft and the first inner sealing member, And a first holding means for fixing the first inner sealing member and the first outer sealing member to each other while supporting the inner ring portion and the outer ring portion of the bearing, And more particularly, to a rice husking crusher having a double sealing structure through a pair of male and female inner and outer sealing members, thereby greatly improving sealing performance.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a chaff crusher having a double-

The present invention relates to a rice husking crusher that implements a double sealing structure for a shaft so that compression-crushed rice husk particles can be prevented from flowing into a coupling gap between a compression crushing roller and a shaft.

As a technique for compressing, crushing and processing rice hulls generated when rice is sown,

Korean Patent Laid-Open Publication No. 2001-0035112 (published on May 21, 2001) discloses a " rice husk crusher "

After the rice husk is passed through the quantitative feeder, a constant pressure is applied to the rice husk, and the horny rice husks are subjected to compression rubbing in the compression milling process, and heat (+ 120 ° C to 160 ° C) It releases the compressed rice husk at room temperature suddenly to the atmosphere, so that the volume is increased by a sudden pressure drop, the gap between the tissues is increased, the water absorption amount is increased, the tissue is opened, This is a technique related to a rice husk pulverizer having a volume reduced to 1/3 and less generation of dust due to the compressed lump.

As another technique, "Rice Husk Crushing Apparatus" has been proposed, 1996-0007114 (published on Aug.22, 1996)

A rice husk feeder and a rice hog pressurizing and compressing unit, and a rice hog crushing unit that is rotatably installed in the main body and provided with a position-adjustable hog feed pressurizing unit and a cutter, A rice feed screw provided between the rice husk feeding port and the rice husk feeding section of the screw shaft for adjusting a feed state and speed of the rice husk to be fed, a water feed port provided at one side of the body for feeding water to the rice husk, Since the heater is provided in the main body corresponding to the rice husk crushing section and includes the heater for heating the rice husk, the structure of the husked rice husk is softened and the water absorption rate is improved, so that the use of the rice husk is facilitated. This technology relates to rice hull milling equipment.

Document 1: Korean Patent Laid-Open No. 2001-0035112 (published May, 2001) Literature 2. Korea Utility Model Information Office 1996-0007114 (Bulletin of August 22, 1996)

The present invention relates to a pair of compression crushing rollers for compressing and crushing rice husk and a double seal structure for a shaft to be coupled therewith so that a pair of bearings which are seated on each of the inner ring part and the outer ring part of the bearing coupled to the shaft, The present invention provides a rice husking crusher having a double sealing structure of a shaft, which has a sealing performance remarkably improved through a sealing member of the rice husk.

According to an aspect of the present invention, there is provided a rice husking crusher having a shaft double sealing structure,

A housing having an inner space portion opened at a front surface thereof;

A disk-shaped disk disposed in a space center region of the housing;

A drive unit for transmitting rotational power to the disk;

A compression crushing unit disposed on a front surface of the disk for compressing and crushing hulls; And

A cover covering the space portion of the housing and the crushing and crushing unit and having a rice husk inlet and an outlet;

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The compression crushing unit

A pair of compression crushing rollers disposed on left and right sides of the front surface of the disk and meshed with each other,

A pair of shafts axially coupled to the respective compression crushing rollers,

A pair of spindles connected to the rear ends of the shafts and inserted into the disk,

Relay means for transmitting the power of the drive unit to each of the spindles,

At least two bearings interposed between the compression crushing roller and the shaft,

A first inner sealing member sandwiched between the shafts and having a bottom surface portion that is seated in an inner ring portion of a front bearing of the at least two bearings;

A first outer sealing member having a bottom surface portion that is fitted to the shaft and surrounds the first inner sealing member and is seated in an outer ring portion of the front bearing of the at least two bearings,

And a first holding means for fixing the first inner sealing member and the first outer sealing member

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A chaff compression grinder having a double sealing structure of a shaft according to the present invention comprises:

The present invention relates to a method for manufacturing a compact compacting machine, which is capable of shortening the life span of a compact, a compact crushing roller, and various bearings supporting a shaft due to chaff particles introduced into a gap between a compression crushing roller and a shaft, The sealing performance is greatly improved by implementing a double sealing structure through a pair of inner and outer sealing members which are respectively male and female while supporting the respective portions.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a side sectional view showing a compression crushing unit in a rice husk compactor according to the present invention,
2 is a side cross-sectional view for showing a first inner sealing member and a first outer sealing member in the compression crushing unit,
3 is a side cross-sectional view for showing a second inner sealing member and a second outer sealing member in the compression crushing unit,
4 is a side cross-sectional view of the rice husk compactor according to the present invention,
5 is a front structural view of a rice husk compactor according to the present invention,
6 is a schematic structural view showing a drive unit and relay means.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should appropriately interpret the concepts of the terms appropriately It should be interpreted in accordance with the meaning and concept consistent with the technical idea of the present invention based on the principle that it can be defined. Therefore, the embodiments described in the present specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention and are not intended to represent all of the technical ideas of the present invention. Therefore, various equivalents It should be understood that water and variations may be present.

The direction of the front part or the front of the shaft and the direction of the rear part of the spindle will be described with reference to Fig.

1 to 6, a rice husk crusher having a double sealing structure of a shaft according to the present invention comprises:

And comprises a housing 10, a disk 20, a drive unit 30, a compression crushing unit 40, and a cover 50.

Looking at each configuration,

The housing (10)

As shown in Figures 1, 4 and 5,

An inner space portion 11 opened at a front surface thereof,

As shown in Fig.

The disc 20

As shown in Figures 1, 4 and 5,

Shaped structure disposed in the central region of the space portion 11 of the housing 10.

At this time, on the front surface of the disk 20, a pair of compression and crushing rollers 41 are disposed adjacent to a region where the pair of compression crushing rollers 41 are engaged with each other in the compression crushing unit 40, It is preferable that a guide 21 is formed and at least one guide 21 of the pair of guides 21 is provided with a lifting ring 22 for lifting up by a separate lifting device or the like Do.

The drive unit 30

As shown in Figures 1 and 6,

For transmitting rotational power to the disc 20,

A drive shaft 31 whose front end is connected to the center of the rear surface of the disk 20 and whose rear end passes through the space portion 11 of the housing 10 and is exposed to the outside,

A drive means 32 for rotating the drive shaft 31,

.

Here, as shown in FIG. 6, the driving means 32

A drive motor having a drive sprocket, a driven sprocket axially coupled to the drive shaft 31, and a drive belt interconnecting the drive sprocket and the driven sprocket, The present invention is not limited thereto and various modifications and changes may be made within a range that satisfies the conditions for rotating the drive shaft 31. [

Therefore, the disk 20 is rotated by the drive unit 30 and the compression crushing unit 40 mounted on the disk 20 rotates together with the drive shaft 31 as a reference.

The compression crushing unit (40)

As shown in Figs. 1 to 3,

And is disposed on the front surface of the disc 20 to compress and crush the rice husk,

A pair of compression crushing rollers 41 disposed on the left and right sides of the front surface of the disc 20 to be engaged with each other,

A pair of shafts 42 axially coupled to the respective compression and crushing rollers 41,

A pair of spindles 43 integrally connected to the rear ends of the shafts 42 and inserted through the disc 20,

Relay means (44) for transmitting the power of the drive unit (30) to each of the spindles (43)

Two or more bearings 45 interposed between the compression crushing roller 41 and the shaft 42,

A first inner sealing member 46A fitted to the shaft 42 and having a recessed face portion 461 seated in the inner ring portion 451 of the front bearing 45 among the two or more bearings 45,

And an abutting face portion 462 fitted to the outer race portion 452 of the front side bearing 45 of the two or more bearings 45 while being sandwiched by the shaft 42 and surrounding the first inner sealing member 46A. One outer sealing member 46B, and

A first holding means 47 for fixing the first inner sealing member 46 and the first outer sealing member 47,

.

At this time, the respective compression and crushing rollers 41 are formed with teeth that are engaged with each other along their outer circumferences.

As shown in FIG. 5, each of the spindles 43

The spindle 43 disposed on the left side is eccentrically disposed on one side of the shaft 42 connected to the spindle 43,

The spindle 43 disposed on the right side is eccentrically disposed on the other side of the shaft 42 connected to the spindle 43,

As a result, during the rotation of the pair of spindles 43, the pair of compression and crushing rollers 41 are formed with a non-engaging section and a non-engaging section, so that the chaff that has flowed in the non-engaging section is compressed and crushed in the engaging section.

The 'engaging section' means a section in which the respective compression and crushing rollers 41 are engaged with each other at a position near the center distance of each spindle 43 when the eccentric spindle 43 rotates, and the 'non- Refers to a section in which the respective compression and crushing rollers 41 are not engaged with each other at a point far from the center distance of each spindle 43 when the eccentric spindle 43 rotates.

As shown in FIG. 6, the relay means 44

First and second main gears 441 and 442 which are axially coupled to the drive shaft 31 of the drive unit 30,

A first sub gear 443 axially coupled to a spindle 43 disposed on the left side of each of the spindles 43 and meshed with the first main gear 441,

A second sub gear 444 axially coupled to a spindle 43 disposed on the right side of each of the spindles 43,

A relay gear 445 interposed between the second main gear 442 and the second sub gear 444 and meshed with each other,

.

As a result, the gears 441, 442, 443, 444, and 445 interlocked with each other when the drive shaft 31 of the drive unit 30 is driven are driven so that one of the compression and crushing rollers 41 is rotated clockwise One rotates counterclockwise.

Therefore, the relay means 44 may be variously modified and changed within a range that satisfies the condition for allowing the respective compression and crushing rollers 41 to rotate in directions facing each other.

The two or more bearings 45 are formed of a rolling bearing structure that reduces the friction by placing balls and rollers between the inner ring portion 451 and the outer ring portion 452 to make rotational contact.

In the present invention, an automatic aligning bearing 45A fitted to the shaft 42 and sandwiched between the two or more bearings 45 is provided. The automatic aligning bearing 45A is provided on an outer race Self-aligning ball bearings with double spherical self-aligning ball bearing structure with a spherical seat or one spherical outer race groove and suitable for changing the center of a rotating shaft self-aligning ball bearing.

1 and 2, the first inner sealing member 46A has a disk-like structure to be fitted to the shaft 42, and has a front-side bearing 45 protruding rearward along the inner periphery of the rear surface, Ring-shaped recessed face portion 461 that is seated on the inner ring portion 451 of the ring-shaped portion 451 is formed.

1 and 2, the first outer sealing member 46B has a disk-like structure to be fitted to the shaft 42, and has a front-side bearing 45 protruding rearward along the outer periphery of the rear surface, An annular recessed face portion 462 which is seated on the outer ring portion 452 of the engaging portion 452 is formed.

1 and 2, the first holding means 47 includes

A recess 471 formed to be recessed rearward along the inner circumference of the front surface of the first inner sealing member 46A,

A flange 472 integrally formed on the shaft 42 and seated on the recess 471,

A plurality of first locking bolts 473 fastened to the compression crushing roller 41 through the first outer sealing member 46B,

.

1 and 3, the compression and crushing unit 40 includes:

A second inner sealing member 48A fitted to the shaft 42 and having a bottom face portion 481 which is seated on the inner ring portion 451 of the rear bearing 45 among the two or more bearings 45,

(482) which is fitted to the shaft (42) and surrounds the second inner sealing member (48A) and which is seated on the outer race portion (452) of the rear bearing (45) of the two or more bearings 2 outer sealing member 48B,

A second holding means 49 for fixing the second inner sealing member 48A and the second outer sealing member 48B,

.

The second inner sealing member 48A has a disk-like structure to be fitted to the shaft 42. The second inner sealing member 48A protrudes forward along the inner circumference of the front surface to be engaged with the inner ring portion 451 of the rear- An annular recessed surface portion 481 is formed.

The second outer sealing member 48B has a disk-like structure to be fitted to the shaft 42. The second outer sealing member 48B protrudes forward along the inner circumference of the front surface to be engaged with the outer race portion 452 of the rear side bearing 45 An annular recessed surface portion 482 is formed.

3, the second holding means 49 comprises

A lock washer 491 fitted to the shaft 42 and seated along the rear surface of the second inner sealing member 48A,

A lock nut 492 fastened to the shaft 42 to press the washer 491,

A plurality of second locking bolts 493 fastened to the compression crushing roller 41 through the second outer sealing member 48B,

.

2 and 3, the first inner sealing member 46A and the first outer sealing member 46B are formed by forming a first male-female concave-convex portion 463 on a contact surface between the first inner sealing member 46A and the first outer- , It is possible to prevent the briquette particles to be compressed and crushed into the gap between the compression crushing roller (41) and the shaft (42) to the front side as much as possible.

In addition, the second inner sealing member 48A and the second outer sealing member 48B are formed with the male and female second concavo-convex portions 483 on the contact surfaces, so that the compression- 41 and the shaft 42, as much as possible.

1, the second inner sealing member 48A is provided with a discharge passage 484 for supplying lubricating oil to the space between the inner ring portion 451 of the bearing 45 and the outer ring portion 452 adjacent thereto Formed,

A lubricating oil supply path 431 communicating with the discharge path 484 through the shaft 42 from the rear end center of the spindle 43 is formed so that lubricating oil injected from an external separate lubricating oil supplying device is supplied to the supply path 431 and the discharge passage 484 to the shaft 42 and the bearings 45, 45A.

The cover 50

As shown in Figure 4,

The cover 10 has a disc-shaped cover structure for covering the space portion 11 of the housing 10 and the compression and crushing unit 40 to close the space portion 11, And has a rice husk inlet 51 on one side and a rice husk outlet 52 on the other side.

While the present invention has been described with reference to the accompanying drawings, it is to be understood that the present invention is not limited to the disclosed embodiments, and various changes and modifications may be made without departing from the scope of the present invention. Such variations and modifications are to be construed as falling within the scope of protection of the present invention.

10: Housing
11: Space portion
20: Disc
21: Guide
22: Lifting ring
30: drive unit
31: drive shaft
32: driving means
40: Compression crushing unit
41: Compaction crushing roller
42: Shaft
43: spindle
431: Supply path
44: Relay means
441, 442: first and second main gears
443, 444: first and second sub gears
445: Relay gear
45: Bearings
451: inner ring portion 452: outer ring portion
45A: Self-aligning bearing
46A: a first inner sealing member
46B: a first outer sealing member
461, 462: a shoulder portion 463: a first concave-
47: first holding means
471: recess 472: flange
473: First lock bolt
48A: second inner sealing member
48B: second outer sealing member
481, 482: a shoulder portion 483: a second concave-
484:
49: second holding means
491: Lock washers 492: Lock nuts
493: Second lock bolt
50: cover
51: Entrance entrance
52:

Claims (4)

A housing 10 having an inner space portion 11 opened at a front surface thereof;
A disk (20) disposed in a central region of the space (11) of the housing (10);
A drive unit (30) for transmitting rotational power to the disk (20);
A compression crushing unit 40 disposed on a front surface of the disk 20 for compressing and crushing hogs; And
A cover 50 covering the space portion 11 of the housing 10 and the compression crushing unit 40 and having a rice husk inlet 51 and an outlet 52;
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The compression crushing unit (40)
A pair of compression and crushing rollers 41 disposed on left and right sides of the front surface of the disc 20 to be engaged with each other,
A pair of shafts 42 axially coupled to the respective compression and crushing rollers 41,
A pair of spindles 43 connected to the rear end of each of the shafts 42 and inserted through the disc 20,
A relay means (44) for transmitting the power of the drive unit (30) to each of the spindles (43)
At least two bearings (45) interposed between the compression crushing roller (41) and the shaft (42)
A first inner sealing member 46A fitted to the shaft 42 and having a bottom face portion 461 which is seated in the inner ring portion 451 of the front side bearing 45 among the two or more bearings 45;
And an abutting face portion 462 fitted to the outer race portion 452 of the front side bearing 45 of the two or more bearings 45 while being sandwiched by the shaft 42 and surrounding the first inner sealing member 46A. One outer sealing member 46B,
A first holding means 47 for fixing the first inner sealing member 46A and the first outer sealing member 46B,
A second inner sealing member 48A fitted to the shaft 42 and having a bottom face portion 481 which is seated on the inner ring portion 451 of the rear bearing 45 among the two or more bearings 45,
(482) which is fitted to the shaft (42) and surrounds the second inner sealing member (48A) and which is seated on the outer race portion (452) of the rear bearing (45) of the two or more bearings 2 outer sealing member 48B,
Further comprising a second holding means (49) for fixing the second inner sealing member (48A) and the second outer sealing member (48B)

The first inner sealing member 46A and the first outer sealing member 46B are formed with first and second male and female concave portions 463 on a contact surface between the first inner sealing member 46A and the first outer sealing member 46B,
The second inner sealing member 48A and the second outer sealing member 48B are formed with male and female engaging second concavo-convex portions 483 on a contact surface between the second inner sealing member 48A and the second outer sealing member 48B,
The second inner sealing member 48A is formed with a discharge passage 484 for supplying lubricating oil to the space between the inner race portion 451 of the bearing 45 and the outer race portion 452 adjacent thereto,
And a lubricant supply path 431 communicating with the discharge path 484 through the shaft 42 from the rear end center of the spindle 43 is formed.
delete delete The method according to claim 1,
The spindle 43 disposed on the left side of the pair of spindles 43 is disposed eccentrically to one side of the shaft 42 connected to the spindle 43 and the spindle 43 disposed on the right side is connected to the corresponding shaft 42 And the pair of compression and crushing rollers 41 are formed in a non-engaging section with respect to the engaging section when the pair of spindles 43 rotates by rotating the pair of spindles 43. Thus, Wherein the shaft is compression-milled in a section of the shaft.

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