JPH0275355A - Crusher foil mounting structure - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] [Field of Industrial Application] This invention is applicable to, for example, a scrapped automobile engine, a motorcycle engine (all of which have the cell motor, dynamo, and carburetor removed), or cylinder heads and transmissions. This problem particularly relates to the mounting structure of the crusher foil and intermediate foil in a crusher that crushes materials to be crushed by inputting them as they are.

[Prior Art] 1. The objects to be crushed as described above are quite large, and are crushed by being caught between ripper foils.

) Also, by interposing an intermediate foil between the ripper foils, the teeth of the other ripper foil are
Some are made to approach the outer periphery.

[Problem to be solved by the invention]

As mentioned above, since the crusher implementing the foil attachment structure of the present invention is for crushing large objects, the ripper foil and intermediate foil often wear and break, so the attachment structure of the foil to the rotating shaft can be easily designed. The structure shall be such that it can be replaced.

However, the commonly used key connections and bolt connections cannot sufficiently transmit the power of the rotating shaft to the wheel.
There are problems such as the possibility of corrupted files.

SUMMARY OF THE INVENTION In view of the above-mentioned problems, it is an object of the present invention to provide a wheel mounting structure that allows easy replacement of ripper wheels and intermediate wheels, and allows for sufficient power transmission.

[Means for Solving the Problems] In order to achieve the above object, the present invention provides a plurality of protrusions on the outside of the rotating shaft of the crusher, and a plurality of engagements that can be engaged with the plurality of protrusions from the radial direction. A ripper foil having a matching recess on the inner periphery and a plurality of teeth on the outer periphery is divided into a plurality of ripper foil members along a dividing line passing through its center, and the divided ripper foil members are divided into a plurality of ripper foil members on the inner periphery. The engagement recess and the protrusion on the outer periphery of the rotating shaft are engaged and fitted onto the outer periphery of the rotating shaft, and adjacent parts of each member are welded to form a ripper foil surrounding the rotating shaft.

In addition, a plurality of protrusions are provided on the outside of the rotating shaft between the ripper foils, a plurality of engagement recesses are provided on the inner periphery that can be engaged with the protrusions from the radial direction, and a plurality of recesses are provided on the outer periphery. The foil is divided into a plurality of intermediate foil members along a dividing line passing through its center, and the plurality of divided intermediate foil members are arranged so that the protrusion on the outer periphery of the rotating shaft between the engagement recess on the inner periphery and the ripper foil is maintained. In some cases, the intermediate foils are fitted around the rotating shaft and the adjacent portions of each intermediate foil member are welded to form an intermediate foil that surrounds the rotating shaft.

[Effect]

Since this invention has the above configuration, the ripper foil and intermediate foil can be attached to the rotating shaft by fitting each divided ripper foil member and intermediate foil member to the outside of the rotating shaft from the side of the rotating shaft. Each outer protrusion engages an inner engagement recess of each foil.

When a foil member is fitted on the outside of the rotating shaft as described above, and the adjacent parts are welded with their adjacent parts in contact with each other, each member is formed into a foil shape and has multiple engagement recesses on the inside and the rotating shaft. Since a plurality of protrusions are engaged with each other, the power of the rotating shaft is transmitted to the foil.

Further, in order to remove the foil attached to the rotating shaft as described above, if the welded portion of the foil is separated by means such as thermal cutting, the foil can be easily removed without leaving the rotating shaft as it is.

〔Example〕

The embodiment shown in the drawings is implemented in a crusher having an input chute for constant crushing and an input chute for re-crushing. In FIGS. 1 and 2, numeral 1 is a crushing chamber, which is composed of a front wall 2, a rear wall 3, and both side walls 4, with both sides 4 bulging outward as shown in FIG. .

The chute above the opening at the top of the crushing chamber 1 is partitioned by a partition plate 6 and divided into a constant crushing chute 7 and a re-crushing chute 8.

Reference numeral 9 denotes a pair of left and right rotating shafts supported by a pair of left and right bearings provided on the front wall 2 and rear wall 3, and a plurality of protrusions 1 on the outer periphery.
It has 0.

A plurality of ripper wheels 11 for constant crushing are fixed to the portions of both rotating shafts 9 located directly below the chutes 7, and between the ripper wheels 11 there is an intermediate foil 13 having a plurality of recesses on the outer periphery. It is fixed.

A large number of teeth 14 are provided on the outer periphery of each ripper foil 11, and each tooth 14 is connected to the mating intermediate foil 13 as shown in FIG.
It is placed so as to face the

Further, a plurality of ripper wheels 16 for re-crushing are fixed to the rotating shaft 9 directly below the input chute 8 for re-crushing.

The teeth 17 of the ripper foil 16 are finer and have a smaller pitch than the teeth 14 of the ripper foil 11.

Moreover, the ripper foils 16 are fixed in such a way that those with a small diameter and those with a large diameter are alternately adjacent to each other, and the ripper foil 16 with a small diameter is made to correspond to the ripper foil 16 with a large diameter on the other side.

Each of the protrusions 10 is a square rod, which is arranged at regular intervals parallel to the axis of the rotating shaft S and fixed by means such as a receptacle, and a plurality of positioning rings 18 are fixed to the outside thereof. . Each of the ripper foil 11 for constant crushing, the intermediate foil 13, and the ripper foil 16 for re-crushing has a plurality of engagement recesses 1S formed on their inner peripheries to engage with each of the projections 10.

Each of the foils 11, 13, and 16 is formed by dividing it into a plurality of parts along a dividing line passing through the center of rotation, but in this embodiment, it is divided into two parts, so before assembly, each foil IL13.
Reference numeral 16 denotes semicircular glued-flange foil members 21, 22 and an intermediate foil member 23, and retaining grooves 20 with which the positioning ring 18 engages are formed on the inner periphery of both sides of the member 21.

Further, each of the engagement recesses 19 is provided in each protrusion 10 of the rotating shaft 9.
Shape it so that it can be engaged and disengaged in the radial direction.

That is, in FIG. 4, the plane A that is parallel to the straight line Y-Y that intersects the dividing line X-X at right angles to the dividing line The side surface B is angled so as to come into close contact with the side surface of each of the protrusions 10. This ensures that the recess 1 of each foil member 21.22.23
9 can be engaged with and disengaged from each protrusion 10 from the direction of the straight line Y-Y.

Therefore, each member 21, 22, 23 is fitted from the side of the shaft 9 to the outside of the shaft 9, and the projection 10 and the recess 19 are engaged.
At the same time, the positioning ring 18 is engaged with the engagement groove 20 of the member 21.

As described above, each member 21, 22, 23 facing the straight line
The opposing surfaces of L 22 and 23 are butt welded by means such as arc welding and are integrally joined by a welded portion 25 as shown in FIGS. 4 and 5.

Reference numeral 27 in FIG. 1 is a hydraulic motor, and this motor 27 drives a sprocket 29 via a reduction gear 28.

30 is a sprocket fixed to the front end of one rotating shaft 9, and an endless transmission chain 31 is connected to both sprockets 29 and 30.

Further, a pin wheel 32 is fixed to the rotating shaft 9, and a gear 33 that meshes with the bottle wheel 32 is fixed to the other rotating shaft 9, so that both rotating shafts rotate in the direction of the arrow in FIG.

In the above embodiment, the material to be crushed, such as a scrapped light vehicle engine, is constantly fed into the crushing chute 7.
When the material to be crushed is put into the left and right ripper foils 11
Caught in between.

Since the above ripper wheels 11 have a difference in rotational speed,
The object to be crushed is torn by the differential movement of the teeth 14 of the ripper wheels 11 on both sides, and is roughly crushed and discharged from the lower discharge port.

The discharged crushed materials are sent to the next vibrating screen or trommel and sieved, fine crushed materials are collected and sent to the next magnetic separator by a conveyor, etc., and coarse crushed materials are sent to the input chute 8 for re-shredding by a retan conveyor etc. It is then returned and placed between the ripper foils 16 for re-shredding.

A large number of the above-mentioned ripper wheels 16 are arranged adjacent to each other and are provided with a large number of fine teeth 17, so that the re-shredded material fed therein is finely crushed and discharged from the discharge port, and then transferred to the next M1 sorting machine. Head towards.

In the above action, when the rotating shaft 9 rotates clockwise toward the direction shown in FIG. is transmitted to each foil 11.13.16 via surface contact with surface B of recess 19 of.

In addition, when the rotating shaft 9 rotates to the left toward FIG. It is transmitted to each foil 11.13.16 via contact with surface B of 1S.

As a result of the above-mentioned crushing action, for example, the flange foil 11
When it becomes necessary to replace the ripper foil member 21, the welded portion 25 is cut by fusing, and the old ripper foil 11 is replaced with two glue-flange foil members 21.
separated into

- In this way, both old members 21 separated can be pulled out in the direction of the straight line Y--Y in FIG. 4, and a new member 21 of the same type can also be easily installed.

The other foils 13, 16 can be easily replaced in a similar manner.

Although the above embodiment has been described with respect to a crusher having a ripper foil for constant crushing and a ripper foil for re-crushing, it may also be implemented in a crusher having only a ripper foil for constant crushing.

〔Effect of the invention〕

As described above, this invention provides a plurality of protrusions on the outside of the rotating shaft, has a plurality of engagement recesses on the inner periphery that can be engaged with the plurality of protrusions from the radial direction, and has a plurality of teeth on the outer periphery. A ripper foil having a recess or an intermediate foil having a recess is divided into a plurality of ripper foil members or an intermediate foil member along a dividing line passing through the center thereof, and the plurality of divided foil members are connected to an engaging recess on the inner periphery thereof. Since the projections on the outer circumference of the rotary shaft are engaged and fitted onto the outer circumference of the rotary shaft, and the adjacent parts of each member are welded, the ripper foil and intermediate foil can be removed while the rotary shaft is attached to the crusher. Can be attached to or removed from the rotating shaft.

Therefore, it is extremely easy to replace the foil that has become worn or torn due to operation.

In addition, since each foil on the rotating shaft is made by welding foil members together, there is no risk of the bond loosening due to vibration, etc., and rotation is transmitted to each of the multiple protrusions on the outside of the rotating shaft. Since this is done through the engagement of the engagement recesses on the inner periphery of the foil, it is effective in transmitting power without loss.

[Brief explanation of the drawing]

Fig. 1 is a partially cross-sectional plan view showing an example of a crusher embodying the present invention, Fig. 2 is a joint cross-sectional front view of the same, Fig. 3 is an enlarged longitudinal sectional side view of the main part, and Fig. 4 is a ripper foil. FIG. 5 is an enlarged longitudinal sectional front view of the intermediate foil, FIG. 6 is an exploded perspective view of the ripper foil, and FIG. 7 is an exploded perspective view of the intermediate foil. 9...rotation axis, 10...
Protrusion 11... Ripper foil for constant crushing, 13.
...Intermediate foil, 14.17...
Teeth, 16... Ripper foil for re-crushing, 19...
...Engagement recess, 21.22...Ripper foil member, 23...
...Intermediate foil member, 25...Welded part. Patent applicant Kubota Iron Works Co., Ltd. Agent Kama 1) Text 2 Procedural amendment stamp button 1. Display of the case 1988 Patent Application No. 226952 2 Name of the invention Foil attachment structure for crusher 3 Person making the amendment Relationship to the case Patent applicant Content 1, page 2 of the specification, lines 9 to 10, ``(None of these...
...removed)". 2. On page 9, lines 7 to 8, "for light vehicles" will be corrected to "for automobiles." 3. Next page 9, lines 15 to 16...
...divided,'' is corrected as follows. ``As the next processing step, it is sorted by mechanical sorting such as a vibrating sieve or trommel, or by being sent to a manual sorting conveyor.''

Claims (2)

[Claims] (1) A ripper foil with a plurality of protrusions provided on the outside of the rotating shaft of the crusher, a plurality of engagement recesses on the inner periphery that can be engaged with the plurality of protrusions from the radial direction, and a plurality of teeth on the outer periphery. is divided into a plurality of ripper foil members along a dividing line passing through its center, and the divided ripper foil members are
A crusher in which the engagement recess on the inner circumference and the protrusion on the outer circumference of the rotating shaft are engaged and fitted onto the outer circumference of the rotating shaft, and adjacent parts of each member are welded to form a ripper foil surrounding the rotating shaft. foil mounting structure. (2) An intermediate having a plurality of projections on the outside of the rotating shaft between the ripper foils, a plurality of engagement recesses on the inner periphery that can be engaged with the projections from the radial direction, and a plurality of recesses on the outer periphery. The foil is divided into a plurality of intermediate foil members along a dividing line passing through its center, and the plurality of divided intermediate foil members are engaged with an engagement recess on the inner circumference thereof and a protrusion on the outer circumference of the rotating shaft between the ripper foil. A foil mounting structure for a crusher, in which the intermediate foils are fitted together on the outer periphery of a rotating shaft, and adjacent portions of each intermediate foil member are welded to form an intermediate foil that surrounds the rotating shaft.