KR101632266B1 - Mounting structure of fixed blade, plate-shaped fixed blade and crusher - Google Patents

Abstract

(Summary) Provided are an installation structure of a fixed blade which is economical and which is easy to replace the fixed blade, a chip-shaped fixed blade and a crusher.

(7), which is arranged on a circumferential surface of a crushing rotor (6) rotating around a predetermined axis, and which is engaged with the rotary blade (7) to shear crush the crushed material A plurality of fixed blade supporting members 12 having a plurality of fixed blades 8 arranged along the axial direction of the crushing rotor 6 are arranged on the table 6 opposed to the crushing rotor 6, The fixed blade 8 is arranged to face the rotary blade 7 at the stepped portion of the fixed blade supporting member 12 so as to be bolted to the stepped portion of the fixed blade supporting member 12 As shown in Fig.

Fixing blade, crushing device, fixing blade mounting structure

Description

TECHNICAL FIELD [0001] The present invention relates to a mounting structure of a fixed blade, a fixed blade in a plate, and a crusher.

The present invention relates to an installation structure of a fixed blade disposed in a rotating path of a plurality of rotating blades arranged and fixed on a circumferential surface of a crushing rotor rotating around a predetermined axis and for crushing a crushed material by engaging with the rotating blade, And a crusher.

The crushing device is arranged such that a plurality of rotary blades and a plurality of fixed blades fixed to the circumferential surface of the cylindrical crushing rotor face each other in accordance with the rotation of the crushing rotor, and the blades are sheared by the rotary blades and the fixed blades It is a device to crush.

The plurality of rotary blades are fixed to the circumferential surface of the shattering rotor, and the rotary blades are arranged so as to have a waveform at predetermined intervals along the axial direction of the shattering rotor.

As shown in Fig. 11, in Patent Document 1, a triangular fixed blade portion 81 (see Fig. 11) is provided at the tip of a long plate-shaped member so as to be engaged with a plurality of rotary blades arranged in a circumferential surface of a crushing rotor, Shaped saw-shaped fixed blade 80 having a plurality of saw-tooth shaped blades.

The fixed blade 80 is detachably fixed to the stepped portion of the table 82 through a bolt 83. The fixed blade 80 has fixed blades 81 on both the front and back surfaces thereof. When the surface of the fixed blade 80 is worn, the back surface is reversed so that the back surface can be used.

However, when the fixed blade 80 as well as the fixed blade 80 are integrally formed of a hard material such as a tool steel or a cemented carbide, the fixed blade 80 is configured to be reversible If a part of the plurality of fixed blade portions 81 is worn or damaged to cause breakage of the object to be crushed, the entire fixed blade 80 can be exchanged even if the remaining fixed blade portion 81 is sufficiently usable It was uneconomical.

The fixed blade is disposed at a position where the fixed blade falls forward of the rotational axis of the crushing rotor so that the inclined surface of the fixed blade and the inclined surface of the rotating blade form a certain shear angle at the start of shearing, The lower portion of the back surface of the fixed blade interferes with the stepped portion when the fixed blade is detached, and the exchange work is also troublesome.

12, the present applicant has proposed a technique in which a forcing base material 90 and an edge member 91 made of a cemented carbide are integrally bonded to a bonding metal such as copper, A plurality of fixed blades 93 formed with through bolt holes 92 having spot facing are passed through the hexagonal hole bolts 95 in the base frame 94 so as to be inserted between the turning paths of the rotating blades A fixed blade installation structure of a crushing device which is detachably and separately fixed is proposed.

Also, as disclosed in Patent Document 3, the single-shaft shearing-and-crushing apparatus comprises a hopper for feeding a crushed material, a crushing unit disposed below the hopper, a crushing unit for crushing the crushed material from the horizontal direction toward the crushing unit, And the like.

25 (a), the crushing processing unit 290 has a V-shaped tip end fixed to the groove 292 as a recess formed in the circumferential direction on the circumferential surface of the crushing rotor 291 rotating around the axis And has a rotary blade 293 and a fixed blade 294 arranged in parallel with the axial direction of the crushing rotor 291 and meshing with the rotary blade 293 to shear the crushed object.

The rotary blade 293 is attached to a rotary blade attaching sheet 293b arranged in a groove 292 of the crushing rotor 291 in a single chip shape (plate shape having a constant thickness) Body 293a is attached. The fixed blade 294 is formed with a V-shaped blade 294a along the axial direction of the crushing rotor 291 at the tip end of the flat plate 294b fixed to the table arranged opposite to the crushing rotor.

Instead of the fixed blade 294 having the V-shaped blade 294a formed along the axial direction of the crushing rotor 291 at the tip of the flat plate 294b fixed to the table arranged opposite to the crushing rotor as described above, A fixing blade attaching sheet 295c is formed along the axial direction of the crushing rotor at the tip end of a fixed blade supporting member 295b detachably provided on a table disposed opposite to the crushing rotor as shown in Fig. 25 (b) And a fixed blade 295 formed by attaching a single chip-shaped blade body 295a having a side of about several tens of millimeters on a fixed blade attaching sheet 295c.

(Prior art document)

(Patent Literature)

(Patent Document 1) Japanese Patent Laid-Open No. 2000-325810

(Patent Document 2) Japanese Patent Laid-Open No. 2004-89876

(Patent Document 3) Japanese Patent Application Laid-Open No. 9-57139 (paragraph 0015, see Fig. 2)

According to the installation structure of the fixed blade of the crusher described in Patent Document 2, when a part of the plurality of fixed blades 93 is worn or damaged and needs to be replaced, only the fixed blade 93 is replaced and operated And the replacement of the fixed blade 93 can be performed easily.

However, there is a problem in that the manufacturing cost of the fixed blade 93 is high, the blade can not be used by changing the front and back sides of the blade due to the structure in which the bolt 95 is fixed to the base frame 94 from the fixed blade 93 side, There is a problem that the object to be crushed is blocked by the hexagonal hole of the bolt 95 or the spot facing portion of the bolt hole 92 at the time of operation of the crushing apparatus and it takes time to remove them at the time of exchanging work, It was demanded.

SUMMARY OF THE INVENTION In view of the above-described problems, it is an object of the present invention to provide a fixed blade mounting structure, a fixed blade supporting member, a chip-shaped fixed blade, and a crusher which are economical and easy to exchange fixed blades.

In order to achieve the above-mentioned object, a first feature of the present invention is to provide a fixed blade installation structure, which is arranged in a rotation path of a plurality of rotary blades arranged and fixed on a circumferential surface of a crushing rotor, Wherein a fixed blade supporting member having a plurality of fixed blades arranged along the axial direction of the crushing rotor is disposed at a stepped portion of the table arranged opposite to the crushing rotor, And a guiding portion for arranging and fixing the fixed blade so as to face the rotary blade and for releasing the fixed blade supporting member from the stepped portion.

According to the above construction, even when the fixed blade is disposed below the rotary axis of the crushing rotor and the inclined surfaces of the rotary blade and the fixed blade are engaged with each other at a predetermined elevation angle, the rotor and the rotary blade, The fixed blade support member can be detached from the stepped portion by avoiding the contact, so that the replacement work is simplified.

According to the second aspect of the present invention, in addition to the first feature, the guide portion is constituted by a chamfered portion in which the lower portion of the back surface of the fixed blade supporting member is inclined toward the crushing rotor.

According to the above-described configuration, since the chamfered portion formed at the lower portion of the back surface of the fixed blade support member can be attached and detached without being in contact with the table, the exchange operation is simplified.

The third feature of the present invention resides in that, in addition to the first feature described above, the guide portion is constituted by a spacer block detachably fixed between the back surface of the fixed blade supporting member and the rising surface of the stepped portion.

According to the above-described structure, since the fixed blade supporting member can be easily attached and detached by using the space between the back surface of the fixed blade supporting member and the rising surface of the stepped portion formed by separating the spacer block, the replacement work is simplified.

According to a fourth aspect of the present invention, in addition to any one of the first to third features, the fixed blade support member is formed by arranging concave attachment sheets for individually accommodating a plurality of fixed blades, And a fixed blade in the form of a chip housed in the sheet is bolted from the back surface of the fixed blade supporting member.

According to the above construction, only the female screw engaged with the bolt can be formed in the fixed blade, and it is not necessary to form the spot pacing for accommodating the head of the bolt, so that the thickness of the fixed blade can be reduced. The fixed blade can be used by rotating the top and bottom surfaces and 180 degrees even if it is worn. It is not necessary to use an expensive material such as tool steel or cemented carbide for the fixed blade supporting member and tool steel or cemented carbide can be used only for the fixed blade and also when the blade portion is worn, , And the exchange operation is also simplified.

The fifth feature of the present invention is that, in addition to the fourth characteristic feature, the rotary blade and the fixed blade each have a mountain-shaped blade, and the fixed and fixed blade are fixed Wherein each blade of the fixed blade has a straight line shape so that the locus of the blade of the blade and the gap of the blade of the fixed blade following the rotation of the crushing rotor is minimized at the center of the blade width of the fixed blade Is formed.

According to the above-described structure, when the shearing-force is applied between the rotary blade and the fixed blade rotating according to the rotation of the shattering rotor, a suitable shearing force can be obtained over the blade width over the entire width of the blade, It can be broken smoothly.

The sixth feature of the present invention is that, in addition to the fourth or fifth feature, the fixed blade is formed of a prism, and the blade portion is an edge portion where the front surface and the back surface of the fixed blade intersect with the side surface, And an identification means for identifying the receiving position on the seat is formed.

According to the above configuration, the fixed blade can easily identify the receiving posture to the attachment sheet by the identification means, and the fixed blade of the different shape can be identified by forming another identification means.

The seventh feature of the present invention is that, in addition to any one of the fourth to sixth features, the attachment sheet has one blade portion of the rotary blade engaged with the blade root with respect to one blade portion of the fixed blade portion, And the inclined surfaces of the adjacent fixed blades are formed at different angles so that the other blade of the rotary blade is engaged with the blade at the other blade of the fixed blade.

According to the above construction, first, one blade of the rotary blade is engaged with the blade at one blade of the fixed blade, and then the other blade of the rotary blade is rotated about the other blade of the fixed blade It is engaged from the tip of the blade. Therefore, since the force acts like a scissor at one point on the object to be crushed, the crushing rotor can be crushed very smoothly even though the crushing rotor is rotated with a small torque, so that vibration and noise can be reduced and the power cost can be reduced .

The eighth aspect of the present invention is characterized in that, in addition to any one of the first to seventh featured features, the fixed blade supporting member is engaged with an operation jig for mounting / disengaging the fixed blade supporting member with respect to the table And the mounting hole is formed so as to be inclined to the back surface side.

According to the above-described configuration, the contact between the rotary blade and the fixed blade can be avoided, and the fixed blade support member can be attached / detached from the table.

The feature of the fixed blade support member according to the present invention is that it is mounted on the fixed blade installation structure having any one of the above-described features.

The first feature of the chip-shaped fixed blade according to the present invention is that it is mounted on the fixed blade mounting structure provided with any one of the first to eighth featured structures.

The second aspect of the present invention is characterized in that, in addition to the first characteristic configuration, the first and the second features are constituted by prisms each having four pairs of blade portions formed by edge portions where the front surface and the back surface intersect the side surface.

According to the above-described configuration, the new blade portion can be used four times in total by replacing the front and back sides of one fixed blade.

The characteristic construction of the crushing apparatus according to the present invention is that it comprises a fixed blade mounting structure having any one of the above-described features of the first to eighth aspects.

(Effects of the Invention)

INDUSTRIAL APPLICABILITY As described above, according to the present invention, it is possible to provide an installation structure of a fixed blade, a fixed blade supporting member in the form of a chip, a fixed blade and a crusher, which are economical and easy to replace the fixed blade.

Hereinafter, the first embodiment of the installation structure of the fixed blade according to the present invention, the fixed blade of the chip shape (plate with a certain thickness) and the crusher will be described.

As shown in Fig. 1, the crushing apparatus 1 includes a storage hopper 2 for charging a crushed material such as a telephone product, a construction waste material, and plastic, and a crushing device 2 for crushing the crushed material charged into the hopper 2 And a press-fit pusher 4 for urging the object to be crushed in a horizontal direction toward the crushing processing section 3. The press-

The push-in pusher 4 is connected to the rear end of the pusher 4 by an arm 4a connected to the piston of a hydraulic cylinder which is operated to expand and contract by pressure oil from a hydraulic pump (not shown) And is driven to move.

The crushing processing section 3 is provided below the storage hopper 2 and has a plurality of mountain-shaped blade sections arranged and fixed on the circumferential surface of the crushing rotor 6 rotating around a predetermined axis by the power of the electric motor M. And the fixed blade 8 having a mountain-like blade portion disposed in the rotating path of the rotary blade 7 is engaged with the rotary blade 7 to shear the object to be pushed by the press-fit pusher 4.

In the lower part of the crushing processing section 3, there are provided a screen mechanism 10 for selectively passing the crushed material crushed to a predetermined size or smaller by the crushing processing section 3, (11) are provided.

The screen mechanism 10 is constituted by a punching metal or the like having a curved shape formed in a shape of arc corresponding to the rotation locus of the crushing rotor 6 and having a plurality of small holes formed therein. 10 is dropped from the screen device 10 and accommodated in the discharge hopper 11. The discharge device of the present invention is not limited thereto.

Hereinafter, the above-mentioned crushing processing unit 3 will be described in detail.

As shown in Fig. 2A, the rotary blade 7 is composed of a rectangular prism having an inclined surface and a plurality of V-shaped portions (not shown) formed parallel to each other at a predetermined pitch in the circumferential portion of the shattering rotor 6 And fastened with bolts 6b to each of a plurality of attachment sheets 6a formed in the groove 6v.

As shown in Fig. 2 (b), the rotary blades 7 are disposed in the adjacent grooves 6v so that the adjacent rotary blades 7 are in a wavy shape when their vertices are connected to each other. 2 (c), the rotary blade 7 is so formed that the slope of the inclined surface of the rotary blade 7 is set such that the trajectory of the edge of the blade of the rotary blade 7 is the most distant from the rotary axis of the shattering rotor 6 And attached at an angle (?) To the rotation axis direction.

As shown in Figs. 3 (a), 3 (b) and 3 (c), the stationary blade 8 has four pairs of blade portions formed by edge portions where the front surface and the back surface intersect the side surface, And when the blade edge and the blade portion are broken due to friction with the object to be crushed, the front and back of the fixed blade 8 are replaced, and the crushing process can be performed by the new blade portion of the four pairs of blade portions. A notch 16 is formed as an identification means for identifying the receiving posture to the attachment sheet 13, which will be described later, at the edge where the side of the blade root intersects.

4 (a), the fixed blade 8 is formed along the end portion of the fixed blade supporting member 12 such that the edge where the notch 16 is formed becomes the blade root side of the fixed blade 8 Is received in a plurality of concave attachment sheets 13 and is tightened with the bolts 14 from the back surface of each attachment sheet 13 as shown in Fig. 4 (b). The fixed blade support member 12 is fixed to the stepped portion of the table 5 disposed opposite to the fracture rotor 6 from the upper surface to the bolt 15 so that the fixed blade 8 faces the rotary blade 7 .

Since the attachment sheet 13 is formed in a concave shape so as to be in contact with the back surface and the two side surfaces of the fixed blade 8 which are not opposed to the crushing rotor 6 and the direction of the blade edge of the fixed blade 8 is different, If you can not put it in, or you can put it in, it's jittery. Therefore, since the worker can easily recognize that the direction of the blade edge is not appropriate, it is easy to confirm the blade edge direction at the time of installation of the fixed blade.

In the state where the fixed blade 8 is fixed to the attachment sheet 13, since the cross section of the bolt is substantially flush with the fixed blade, the blast hole is caught or caught in the bolt hole, so that the female screw is not deformed or damaged, The bolt can be easily attached and detached when the rear surface is replaced and used.

As shown in Fig. 5, when the fixed blade 8 is arranged so that the blade portions of the rotary blade 7 and the fixed blade 8 are engaged with each other at an angle?, As shown in Figs. 6A and 6B, 7 (a), 7 (b), 7 (c), 7 (c) and 7 (c) of the fixed blade 8 with the rotation of the crushing rotor 6 with respect to the blade portions 8 ', 8 " ") Becomes a curve.

6 (a), when the blade angle of the fixed blade 8 is 90 degrees, the locus of the blade portions 7 ', 7 "of the rotary blade 7 and the locus of the blade portion 8 8 ", 8 ") of the rotary blade 7 becomes smaller on the blade root side and larger on the blade tip side, and the shear force is biased toward the blade root side.

6 (b), the blade edge angle? (?) Of the fixed blade 8 is set such that the clearance is minimized at the center of the blade width of the blade portions 8 ', 8 "of the fixed blade 8, , The slope of the gap is reduced to obtain the maximum shear force at the center of the blade width. [0064] Further, when the angle [delta] is set to approximately 14.7 degrees, the blade angle [gamma] becomes approximately 85 degrees.

With the above construction, the object to be crushed by the push-in pusher 4 toward the crushing processing section 3 is transferred between the rotary blade 7 and the fixed blade 8, which rotates in accordance with the rotation of the crushing rotor 6, In crushing, a force is always applied to the crushed material at one point. Therefore, the object to be crushed is very smoothly crushed while the crushing rotor 6 is rotated with a small torque, so that vibration and noise can be reduced and the power cost can be reduced.

Next, a replacement operation of the fixed blade 8 will be described.

4 (b), a lower portion of the back surface of the fixed blade supporting member 12 is chamfered as a guide portion on the side of the fracture rotor 6, and on the upper surface thereof, A bolt hole (17) capable of engaging the tongue bolt (18) as an operation jig is formed to be inclined toward the back side.

A description will be given of a working procedure for replacing the fixed blade when the fixed blade 8 is worn or damaged. 7 (a), the bolts 15 for fixing the fixed blade supporting member 12 to the table 5 are removed, and the tongue bolts 18 are combined with the bolt holes 17 do. Thereafter, as shown in Fig. 7 (b), the tongue bolt 18 is raised so that the fixed blade supporting member 12 is separated from the table 5, and as shown in Fig. 7 (c) The support member 12 is pulled up from the table 5. In this way, the fixed blade support member 12 can be easily attached and detached without contacting the fixed blade 8 and the rotary blade 7. The fixed blade 8 is detached and exchanged with the bolt 14.

Since the lower portion of the back surface of the fixed blade support member 12 is chamfered on the side of the fracture rotor 6 in this way, the contact between the rotary blade 7 and the fixed blade 8 is prevented, The separation operation becomes easy.

In addition, if the fixed blade support member for replacement which is fastened with a new fixed blade is prepared, the operation can be immediately restarted without waiting for the replacement of the fixed blade by simply replacing the fixed blade support member.

The guide portion is not limited to the configuration in which the lower portion of the back surface of the fixed blade supporting member 12 is chamfered on the side of the crushing rotor 6, and as shown in Fig. 4 (c) The spacer 24 is attached to the back surface of the fixed blade support member 12 by the bolt 25 to the table 5 as shown in Figure 4 (d) As shown in Fig.

7 (d), the bolts 25 are separated to separate the spacers 24 from the table 5, and the bolts 25 for fixing the fixed blade supporting members 12 to the table 5 (15) and the tongue bolt (18) is engaged with the bolt hole (17). 7 (e), the fixed blade supporting member 12 is shifted to the opposite side of the crushing rotor 6, and the fixed blade supporting member 12 is rotated, as shown in Fig. 7 (c) From the table (5).

By providing the guide portion in this manner, the fixed blade supporting member 12 can be easily attached and detached without contacting the fixed blade 8 and the rotary blade 7. [ The fixed blade 8 is detached from the bolt 14 and exchanged. Therefore, the bolt hole 17 in which the tongue bolt 18 can be engaged does not have to be inclined to the back side.

A second embodiment of a fixed blade mounting structure, a chip-shaped fixed blade and a crushing device according to the present invention will be described below.

In the first embodiment, the four fixed blades 8 are supported horizontally on the fixed blade support member 12. However, it is not always necessary to attach the fixed blades horizontally to the fixed blade support member, It may be a fixed blade supporting member 19 alternately provided with a fixed blade 8 having a horizontal inclined plane and a fixed blade 9 having an inclined plane having a predetermined elevation angle from a horizontal plane as shown in Fig.

In this case, as shown in FIGS. 3 (d), 3 (e), and 3 (f), the stationary blade 9 is provided with an edge portion where the front surface and the back surface intersect the side surface, And a notch 21 as identification means for identifying the receiving posture of the attachment sheet 20 to be described later and identifying the fixed blade 8 is formed at the edge where the side of the blade root side intersects.

The fixed blades 8 and 9 are fixed to the fixed blade supporting member 19 so that the edge where the notches 16 and 21 are formed is the blade root side of the fixed blades 8 and 9, 8 (b), by the bolts 14 from the back surfaces of the attachment sheets 13, 20, as shown in Fig. 8 (b) Tightly. The fixed blade supporting member 19 is fixed to the table 5 disposed opposite to the crushing rotor 6 so that the fixed blades 8 and 9 face the rotating blade 7 from the upper surface with bolts 15 do. At this time, the notches 16 and 21 formed on the fixed blades 8 and 9 and the identification means 22 and 23 corresponding to the fixed blades 8 and 9 are formed on the attachment sheets 13 and 20, The installation posture can be easily identified.

The elevation angle beta of the attachment sheet 13 is set to 0 degrees and the elevation angle alpha of the attachment sheet 20 is in the range of 20 degrees to 30 degrees, preferably 20 degrees to 25 degrees, And is set to approximately 23 degrees.

Since the attachment sheets 13 and 20 are formed in a concave shape so as to be in contact with the back surface and two side surfaces of the fixed blades 8 and 9 which are not opposed to the fracture rotors of the fixed blades 8 and 9 respectively, Direction, or the fixed blades 8 and 9 themselves are different, they can not be inserted, or even if they can be inserted, they are jittery. Therefore, since the worker can easily recognize that the direction of the blade edge is not appropriate, it is easy to confirm the blade edge direction at the time of installation of the fixed blade.

10 (a), the fixed blades 8, 9 having different elevation angles corresponding to the blade portions 7 ', 7 "of the plurality of rotary blades 7 arranged on the circumferential surface of the crushing rotor 6, 9) of the fixed blade 8. That is, a combination of one blade portion 8 'of the adjacent fixed blade 8 and one blade portion 9' 'of the fixed blade 9, The crushing process is performed by the engagement of the blade portion 8 "with the other blade portion 9 'of the fixed blade 9. [

The rotary blade 7 fixed to the crushing roller 6 is engaged with the blade root from the blade root to the fixed blade 9 whose elevation angle is set to the angle? According to the rotation of the crushing roller 6, And is engaged with the fixed blade 8, whose elevation angle is set horizontally, from the blade tip to the blade root.

Like the relationship between the trajectory of the blade 7 ', 7' 'of the rotary blade 7 and the blade gap angle between the blade 8' and 8 '' of the fixed blade 8 and the blade angle, The trajectory of the sections 7 'and 7' 'and the gap between the blade sections 9' and 9 '' of the fixed blade 9 are set such that the gap corresponds to the blade edge widths 9 'and 9' Setting the blade edge angle? Of the fixed blade 9 so as to be minimum at the center of the blade gap reduces the deviation of the gap and obtains the maximum shearing force at the center of the blade width. The angle? Of the blade edge becomes approximately 90.9 degrees.

In the case where the angle of elevation of the adjacent fixed blade is different from that of the second embodiment and the rotary blade is engaged with the rotary blade from the blade root and the rotary blade is engaged with the other fixed blade from the blade edge, It is not necessary to set the gap between the trajectory and the blade portion of the fixed blade to be minimum at the center of the blade width of the fixed blade.

For example, as shown in Fig. 10 (b), since the rotary blade 7 is engaged from the blade root to the blade edge with respect to the fixed blade 9 set at the elevation angle alpha, 10, the rotating blade 7 is rotated from the blade tip to the blade root 8 with respect to the fixed blade 8 set at the elevation angle? As shown in Fig. 10 (c) The clearance may be set so as to be the smallest near the blade edge of the rotary blade 7.

With this structure, since the rotating blade 7 can be strongly engaged with each of the fixed blades 8, 9 at the beginning of the shearing force, it is possible to efficiently crush the blasted material without missing it. On the other hand, when the sheet-like object to be processed is processed, it is possible to effectively break the sheets by strongly applying the shearing force to the end of the engagement of each of the fixed blades 8, 9 with the rotary blade 7. [ Thus, the position at which the gap becomes minimum is appropriately set optimally by the object to be crushed.

With the construction as described above, it is not necessary to use expensive materials such as tool steel and cemented carbide for the fixed blade supporting member, and tool steels or cemented carbide can be used only for the fixed blade, and the blade can be easily exchanged do.

The angle of the cutter edges γ and η, the elevation angles α and β and the inclination angles θ and δ are not limited to the examples described above and the respective specific angles may be determined by the positional relationship with the crushing rotor, And a force acts like a scissor at one point at the time of shearing the object to be crushed by each of the blades, so that an angle at which the crushing rotor can be crushed very smoothly while rotating the crushing rotor with a small torque is appropriately set.

The number of the fixed blades 8 provided in the fixed blade support member 12 is reduced to four in the above-described embodiment But may be two or seven. So that the separation operation of the fixed blade supporting member is set so as not to be troublesome.

In the above-described embodiment, the notch formed on the edge of the fixed blade is used as the identification means. However, the identification means is not limited to the notch and is not necessarily formed on the edge, The receiving posture of the fixed blade, and the upper part of the fixed blade.

More specifically, as shown in Fig. 9, protruding portions 27 are formed at the corner portions of the attachment sheets 13 and 20 and are joined to chamfered portions 28 as identification means formed on the fixed blades 8 and 9 It becomes possible to accommodate it in the attachment sheets 13 and 20. [ As a result, it is possible to easily identify the blade edge direction by the engagement of the protruding portion 27 and the chamfered portion 28, and it becomes difficult to use the fixed blade on which the chamfered portion is not formed.

The table 5 and the member for fixing the fixed blade supporting member 12 are formed separately from each other by forming the step portion in the table 5 to fix the fixed blade supporting member 12 in the above- To be a stepped portion.

In the above-described embodiment, the configuration in which the fixed blade is formed into a chip shape and fixed to the fixed blade support member has been described. However, a plurality of triangular fixed blades may be integrally formed on the fixed blade support member in the form of a long plate, Shaped fixed blade.

In the above-described embodiment, the fixing blade is fixed with the bolt from the back surface of the fixed blade support member. However, it is also possible to form the spot pacing capable of accommodating the head of the bolt in the fixed blade, It may be configured to be fixed.

According to the above-described structure, there is provided an installation structure for a fixed blade arranged in a rotating path of a plurality of rotary blades arranged and fixed on a circumferential surface of a shattering rotor rotating around a shaft, A fixed blade supporting member having a plurality of fixed blades arranged along the axial direction of the rotor is arranged and fixed to the stepped portion of the table arranged opposite to the blasting rotor so that the fixed blade faces the rotating blade, And a guide portion for releasing the member from the stepped portion.

The specific configurations of the rotary blade, the fixed blade and the attachment sheet, the installation structure of the fixed blade, the fixed blade support member and the crusher constituting the crushing processing unit described above are not limited to the description of the embodiments, It is needless to say that it can be designed and modified appropriately in the range including the above.

Hereinafter, another invention related to the crushing apparatus will be described as a third embodiment.

In general, waste plastic products such as polypropylene (PP), polystyrene (PS), polyethylene and PET bottles recovered in the market, and combustible wastes such as shredder dust and magazines of paper are compressed and packed in a substantially cubic form And it is crushed by a crushing device to be reused as RPF (Refuse Paper & Plastic Fuel), then melted by heating and solidified.

A solid foreign body such as a metal or a concrete piece may be mixed into a lump form such as a bale article or the like, and if the lump form is immediately crushed by a single-axis shear crusher, a solid foreign matter mixed into the lump form may be a chip There is a possibility that the blade is caught by a slight gap between the rotating blade and the fixed blade, and the blade is greatly damaged.

Therefore, a two-shaft shearing-and-crushing apparatus for crushing a lumpy material is required before finely crushing the single-shaft shear-crushing apparatus, and facility cost and management cost have been increased.

Therefore, in order to crush a lumpy product, it is preferable to crush the bale product by a single-shaft shearing device having a chip-like rotary blade and a fixed blade formed by a large blade body having a side of about 100 mm on one side instead of the two- However, in general, when the blade body is made of expensive material such as tool steel or cemented carbide and the blade body is roughly crushed to produce a large blade body, the manufacturing cost is increased, and considering the strength balance, It becomes thick and heavy, so that it becomes difficult to handle in transportation or installation.

Further, in order to attach such a large blade body to the circumferential surface of the crushing rotor or to the fixed blade supporting member, it is necessary to form a large concave portion by cutting, and the manufacturing cost of the crushing rotor and the fixed blade supporting member becomes high.

In addition, since it is necessary to prepare and supply different kinds of blade bodies in the fine crushing and rough crushing, the manufacturing cost as well as the management cost are increased.

Therefore, a crushing device capable of crushing a lumpy material such as a bale product with a blade for fine crushing used in a single-axis shear crushing device can reduce the manufacturing cost as well as the management cost.

As shown in Figs. 13 to 16, the crushing apparatus 101 includes a storage hopper 102 for charging a crushed product such as a telephone product, a building waste material, and plastic, and a crushing device for crushing the crushed material put into the storage hopper 102 And a press-fit pusher 103 for urging the object to be crushed in a horizontal direction toward the crushing processing unit 110. The press-

The push-in pusher 103 is connected to the rear end of the push-in pusher 103 by an arm 103a connected to the piston of a hydraulic cylinder which is operated by compression from a hydraulic pump (not shown) And is driven to move forward and backward.

The crushing processing unit 110 includes a rotating blade 120 having a V-shaped tip end fixed to a concave portion formed on the circumferential surface of the crushing rotor 105 which is disposed below the storage hopper 102 and rotates around a predetermined axis, And a fixed V-shaped fixed blade 130 which is arranged to be opposed to the rotating blade 120 in the axial direction of the crushing rotor 105 to shear crush the crushed material. The object to be crushed pressed by the push-in pusher 103 toward the crushing processing unit 110 is sheared between the rotating blade 120 and the fixed blade 130 which rotate according to the rotation of the crushing rotor 105. The crushing rotor 105 is configured so that the power of the electric motor M is transmitted through the belt and the speed reducer (not shown) and is rotated.

The elevation angle when the blade edge of the rotary blade 120 is engaged with the fixed blade 130 is configured to be approximately 14.7 degrees.

A screen mechanism 106 for selectively passing the crushed material crushed to a predetermined size or smaller by the rotary blades 120 and the fixed blades 130 at the lower portion of the crushing processing unit 110, And a discharge hopper 107 for receiving the discharge hopper.

The screen mechanism 106 is formed of a punching metal having a curved shape corresponding to a rotation locus of the rotary blade 120 and having a plurality of openings. The screen mechanism 106, among the crushed materials crushed in the crushing processing unit 110, Is dropped from the opening and is accommodated in the discharge hopper 107.

In addition, the screen mechanism is not limited to a punching metal having a plurality of openings. The screen mechanism may have a plurality of slit-shaped openings formed in a flat plate curved in a arc shape corresponding to the rotation locus of the rotary blade 120, The edge of the directional edge of the crushing rotor on the rotating direction side may be inclined with respect to the horizontal direction and the inclined direction of the edge may alternately be switched according to the locus of the rotary blade.

14A and 14B, in the circumferential direction of the circumferential surface of the crushing rotor 105, a plurality of grooves 105a each having a concave portion with an inverted trapezoidal cross-sectional shape are formed parallel to each other at a predetermined pitch . The plurality of rotary blades 120 are provided at predetermined positions so as to be V-shaped when the vertexes of the nearest rotary blades 120 provided in the adjacent groove portions 105a are connected.

The rotary blade 120 will be described in detail.

As shown in Fig. 15A, the rotary blade 120 includes a rotary blade attachment sheet 124 fixed to the groove portion 105a, three blade blades 124 detachably attached to the rotary blade attachment sheet 124, (Not shown).

As shown in Figs. 15 (b) and 15 (c), the blade body 121 is provided with blade portions 122 on the ridgelines on both the front and back surfaces thereof, And a square pillar in which a hole 123 is formed. The edge angle is set at 90 degrees. It is not necessary to form the blade portion 122 on all of the ridgelines on both the front and back surfaces of the blade body 121.

The blade body 121 constituting the rotary blade 120 can be used in common with the blade body constituting the rotary blade of the conventional single-shaft shearing-and-shearing apparatus proposed in JP-A-9-57138 have.

16 (a), (b), and (c), the bottom surface 124b of the rotary blade attaching sheet 124 is formed in a shape along the groove portion 105a of the crushing rotor 105, The rear side of the blade 124 of the blade body 121 has a chamfer 124e formed so as not to interfere with the fixed blade 130. [ On the mounting surface 124a for attaching the blade body 121, one of the three blade bodies is attached to the blade edge position, and the other blade bodies are attached to and detached from the blade surface of the blade body, A bolt hole 124d is formed at a predetermined position so that the blade body 121 is attached to the mounting surface 124a and fixed with a bolt on the back surface 124c side.

17 (a), (b), and (c), the periphery of the rotating blade attaching sheet 124 is fixed to the predetermined position of the groove portion 105a with the welded portion W. The rotary blade attaching sheet 124 may be detachably attached to the groove portion 105a by bolts or the like without welding.

18 (c), (d), and (e), on the mounting surface 124a side of the blade body 121 of the rotary blade attachment sheet 124, And a guide member 125 having a guide surface for contacting the two adjacent surfaces of the blade bodies 121b and 121c and positioning the blade bodies 121b and 121c.

The guide member 125 is composed of a guide member 125a provided at the center portion of the groove portion 105a and guide members 125b and 125c provided at both side portions of the groove portion 105a, And is fixed to a predetermined position of the crushing rotor 105 by a jig 140 having a shape in which three blade bodies 121 are combined.

The jig 140 is adjacent to the blade body 121a on the blade side of the rotary blade 120 when three pieces of the blade body 121 are attached to the rotary blade attaching sheet 124 as shown in Figure 18 (b) And a pair of blade bodies 121b and 121c arranged so as to be slightly spaced apart from each other by a distance d.

This is because the plurality of blade bodies 121 are each made to have the same dimensions in terms of design but actually have different sizes so that the respective blade bodies 121 interfere with each other and are arranged at positions as designed with respect to the rotary blade attachment sheet 124 This is because there is a risk that the gap between the fixed blade 130 and the blade portion may be unstable or interfere with the fixed blade 130 because of poor attachment when attached.

On the other hand, although it is also considered to chamfer the corner portion of the blade body 121, there is a possibility that the blade body 121 is chamfered at the blade portion of the rotary blade 120 and the shredding efficiency is lowered, which is not preferable.

The jig 140 configured as described above is brought into contact with a predetermined position of the mounting surface 124a of the rotary blade attaching sheet 124 as shown in Figure 18C so that the bolt hole Bolts are inserted and fixed from the back surface of the rotary blade attaching sheet 124 to the bolt holes 141 formed at positions corresponding to the blade 123 and the guide members 125a, 125b, And 121c in the state of being in contact with the surface corresponding to the lower side of the crushing rotor 105. [

Therefore, the guide member 125 is configured to position the blade bodies 121b and 121c of the blade root side of the rotary blade 120 by a distance d. Therefore, even when the blade body 121 is made slightly larger than the fabrication dimensions, for example, the corner portions of the blade bodies 121b and 121c of the blade root can be attached without contacting, It is possible to avoid the protruding portion 121a from protruding from the predetermined position toward the fixed blade 130, thereby preventing interference with the fixed blade 130. As described above, the distance d is selected as a suitable distance at which the corner portions of the blade bodies 121b and 121c are not in contact with each other.

Further, the guide member 125a is configured so as not to interfere with the blade edge of the blade body 121a disposed at the blade tip position.

Further, the guide member 125 may be integrally formed with the rotary blade attaching sheet 124.

The blade bodies 121b and 121c disposed at the blade root positions of the rotary blade 120, the fracture rotor 105, and the gaps 127 of the guide members 125 (Fig. 18 (d) Shielding member 126 is fixed to the welded portion W so as to face the rotary blade 120 to prevent the object to be clogged.

19, in the space 128 formed by the mounting surface 124a of the rotary-blade attachment sheet 124 configured as described above, the guide member 125, and the shielding member 126, The blade bodies 121b and 121c are fitted to the blade root positions of the rotary blade 120 and the blade body 121a is fitted to the blade edge positions of the rotary blade 120. [ Then, the blade bodies 121 are detachably attached to the rotating blade attaching sheet 124 from the back surface of the rotating blade attaching sheet 124, thereby forming the rotating blade 120.

Hereinafter, the fixed blade 130 will be described.

20A, the fixed blade 130 is rotatably mounted on a stepped portion formed on the table 104 disposed so as to face the crushing rotor 105 along the axial direction of the crushing rotor 105 And three blade bodies 131 detachably attached to the fixed blade attaching sheet 135 formed on the fixed blade supporting member 134. The fixed blade supporting member 134 has a fixed blade supporting member 134, Further, in this embodiment, the fixed blade supporting member 134 is configured to include two fixed blades 130.

As shown in Figs. 20 (b) and 20 (c), the blade body 131 has blade portions 132 formed on the ridgelines on both sides of the front and back surfaces, and a bolt And a square pillar in which a hole 133 is formed. The nose angle is set at 85.2 degrees. Further, it is not necessary to form the blade portion 132 on all of the ridgelines on both the front and back surfaces of the blade body 131.

The blade body 131 constituting the fixed blade 130 has a blade body 295a constituting the fixed blade 295 of the one-shaft shearing apparatus for fine-fracturing as shown in Fig. 25 (b) ).

21 (a), 21 (b) and 21 (c), the fixed blade supporting member 134 is provided with a stepped portion of the table 104 disposed opposite to the crushing rotor 105, And a fixed blade attaching sheet 135 having a concave shape along the end portion of the fixed blade supporting member 134 is formed. One of the blade bodies 131a of the plurality of rectangular columns is positioned at the blade tip position and the blade bodies of the other blade bodies 131b and 131c are connected to the blade portion of the blade body 131a, Is attached from the back side of the fixed blade attaching seat 135 to become the fixed blade 130.

As described above, the rotary blade 120 and the fixed blade 130 are each provided with three blade bodies 121 and 131. 23, as compared with the case where the rotary blade 150 is constituted by the blade body 151 having the size of four pieces of the blade body 121, as in the case of the groove portion 105b It is not necessary to cut the fracture rotor 105 largely into a V-shape and the time and cost for machining can be reduced by the amount corresponding to the slanted portion 105c. Fixed days are the same.

In addition, when the rotary blade 150 is formed of one of the large blade bodies 151, when the blade portion is broken due to abrasion or breakage with the object to be crushed, the blade can be reversed or rotated only four times in total.

In contrast, according to the installation structure of the blade body according to the present invention, since the rotary blade 120 and the fixed blade 130 are each formed of three blade bodies, even if the blade body is worn or damaged, each blade body can be reversed or rotated And attaching the blade to a blade tip position and a position connected to the blade tip, so that the blade can be used six times in total.

22A, first, the blade body 121a is moved to the blade tip position and the other blade bodies 121b and 121c are rotated to the blade tip position. In this case, It is said to have been placed at the root position. At this time, the blade portions a1 and a2 of the blade body 121a, the blade portion b1 of the blade body 121b, and the blade portion c2 of the blade body 121c are engaged with the blade portion of the rotary blade 120 do.

When the blade of the rotary blade 120 is torn by the use of the crushing device, the blade body 121b is moved to the blade tip position and the other blade bodies 121a and 121c are knife- And the blade body 121b is rotated to rotate the blade body 121a with the blade portions b3 and b4 to rotate the blade body a3 and the blade portion c1 of the blade body 121c And forms a blade portion of the blade 120.

22 (c), the blade body 121c is positioned at the blade tip position and the other blade bodies 121a and 121b are positioned at the blade root position The blade body a1 and the blade body a1 of the blade body 121a are rotated with the blade bodies c3 and c4 by rotating the blade body 121c so that the blade body b2 rotates the blade body a4 and the blade body 121b, Thereby constituting a blade portion. That is, it can be used three times on one side of the blade bodies 121a, 121b, and 121c.

In addition, when the blade of the rotary blade 120 is worn out, each of the blade bodies 121a, 121b, and 121c may be reversed to change the front and back, and the blade body may be used three more times, (121a, 121b, 121c) can be used six times in total. The same is true for fixed blades.

In addition, in the state where the rotary blade 120 and the fixed blade 130 are attached to the attachment sheet, since the cross section of the bolt is substantially flush with the blade body, the blades are caught or caught in the bolt hole, The bolts can be easily attached and detached when the front and back surfaces of the blade bodies 121 and 131 are replaced and used without replacement.

Modifications related to the crusher described in the third embodiment will be described below. The same components as those of the third embodiment described above are denoted by the same reference numerals, and a description thereof will be omitted.

The edge angle of the blade body 121 of the rotary blade 120 is 90 degrees and the edge angle of the blade body 131 of the fixed blade 130 is 85.2 degrees, The angle of elevation when the edge of the blade body 120 is engaged with the fixed blade 130 is approximately 14.7 degrees. However, the angle of the blade body is not limited to the angle formed by the acute angle (87.5 degrees) and the angle formed by the obtuse angle (92.5 degrees) So that the blade of the rotary blade and the blade of the fixed blade can be used in common.

For example, an angle formed by an acute angle (87.5 degrees) is arranged to be a tip of a rotary blade, an angle formed by an obtuse angle (92.5 degrees) is arranged to be a tip of a fixed blade, or vice versa, The angle may be arranged to be the tip of the rotary blade, or the angle formed by the acute angle (87.5 degrees) may be the edge of the fixed blade.

As described above, since the knife body used for the rotary blade and the blade body used for the fixed blade can be shared by forming the wedge-shaped rectangular pillar having acute-angled and obtuse-angle corners, manufacturing cost of each blade body Can be greatly reduced, and the manufacturing cost as well as the management cost can be reduced.

Such a blade body can also be applied to a rotary blade and a fixed blade of a single-shaft shearing device for micro-crushing.

In the above-described embodiment, the case where the groove portion 105a is formed in the circumferential direction on the circumferential surface of the fracture rotor 105 as the rotary blade attachment portion has been described, but the structure of the rotary blade attachment portion is not limited thereto. It is also possible to form the concave portion only at the position where the rotary blade 120 is disposed on the circumferential surface of the crushing rotor 105 and attach the rotary blade attaching sheet 124 to the concave portion.

Although the rotary blade 120 and the fixed blade 130 each have three blade bodies in the above-described embodiment, the number of the blade bodies is not limited to three, but may be three or more, for example, seven May be provided. When the rotary blade is constituted by using seven blade bodies, the blade body can be used seven times in total by reversing or rotating the blade body at a position connected to the blade tip position and the blade tip. By configuring the blade body with three or more odd number of teeth, the number of times of use can be increased as compared with the case of using one large blade body.

The fixing blade 130 has two pairs of fixing blades 130. However, the fixing blade 130 may be provided with one or more pairs of fixing blades, So that the separation operation of the fixed blade supporting member is set so as not to be troublesome. Further, it is not always necessary to form a step for attaching the fixed blade supporting sheet to the table, and it is also possible to form the fixed blade attaching sheet on the table without the fixed blade supporting member, As shown in Fig.

In the above-described embodiment, the material constituting the blade body is not specified, but it is selected from a material having sufficient strength for the object to be crushed such as a cemented carbide, a tool steel or the like.

In the embodiment described above, the elevation angle when the blade edge of the rotary blade is engaged with the fixed blade is approximately 14.7 degrees. However, in the case where the elevation angle when the blade edge of the rotary blade is engaged with the fixed blade is 14.7 degrees The blade edge of the rotary blade is first engaged with the fixed blade and then the blade root is engaged with the blade, It is possible to improve the crushing efficiency by applying a shearing force to the crushed material from the blade edge of the rotary blade to the blade root. The angle of the blade edge of the blade body of the rotary blade and the blade body of the fixed blade is appropriately set according to the elevation angle when the blade edge of the rotary blade is engaged with the fixed blade.

Further, the elevating angle of the adjacent fixed blade may be different, and the rotary blade may be engaged with the rotary blade from the blade root, and the rotary blade may be engaged with the other fixed blade from the blade edge. The object to be crushed pressed by the press-fit pusher 103 toward the crushing processing section 110 is sheared and crushed between the rotating blade rotating with the rotation of the crushing rotor 105 and the fixed blade, It is possible to crush the crushing rotor 105 very smoothly while rotating the crushing rotor 105 with a small torque, so that vibration and noise can be reduced and the power cost can be reduced.

Also, the locus of the rotary blade portion and the clearance of the fixed blade portion may not necessarily be set to be minimum at the center of the blade width of the fixed blade. For example, the rotary blade may be engaged with a blade edge from a blade root to a fixed blade at an elevation angle, and the gap may be a minimum at a side near the blade root of the rotary blade, The blade may be engaged with the fixed blade from the blade tip to the blade blade root and the gap may be minimized on the side closer to the blade tip of the rotary blade.

With such a configuration, since the rotating blade can engage with each of the adjacent fixed blades at first, the shearing force can be acted strongly, so that the crushed material can be efficiently broken without missing the object to be crushed. On the contrary, in the case of processing the sheet-like object, it is possible to effectively break the sheet by strongly applying the shearing force to each of the adjacent fixed blades and the end of the engagement of the rotary blades. As described above, the position at which the gap is minimum is suitably set optimally by the object to be crushed.

The blade body of the rotary blade and the blade body of the fixed blade are fixed by bolts from the back surface of the rotary blade attaching sheet and the fixed blade attaching sheet, respectively. However, it is also possible to form the blade body thick, It is possible to form the spot pacing capable of accommodating the blade body and fix it with the bolt from the blade body side.

In the above-described embodiment, a case has been described in which a blade of a mountain-shaped rotary blade or a fixed blade is constituted by three blade bodies having blade portions formed on the ridgelines on both sides of the front and back surfaces. However, the plurality of blade bodies may constitute at least one square- , Or two sides of the one face sandwiching one specific vertex of the one face and two sides of the opposite face sandwiching one vertex of the opposite face of the one face and sandwiching the quadrangular pole A blade having a blade at two sides sandwiching another vertex passing through a diagonal line and constituting a blade of a mountain-shaped rotary blade or a fixed blade by a plurality of blade bodies which are detachable at a blade tip position and a position connected to the blade tip .

For example, four sides constituting one face of a quadrangular column, or two sides of the one face sandwiching one specific vertex of the one face and two faces of the opposing face sandwiching one vertex of the opposite face of the one face, When three blade bodies each having a blade portion on two sides sandwiching another vertex passing through the diagonal line of the quadrangular pole passing through the specific vertex are used, when the rotary blade is worn, each blade body is reversed or rotated, And a position connected to the blade edge, a new blade part can be constituted three times in total by the combination of the same blade bodies. This number increases more than twice, which is the number of times when a single large square column of the same configuration is used, and the number of reusable times increases.

Such a blade body is suitable for adopting a configuration in which a blade made of a cemented carbide is attached to the surface of a base metal.

24A, a cemented carbide 167 is attached to one side of the base metal 166 of the quadrangular prism, and the four sides of the cemented carbide 167 are cut at the blade portions 161, 162, 164, 165).

As shown in Fig. 24 (b), a cemented carbide 177 is attached to the four sides constituting one surface of the base metal 176 of the quadrangular prism, and the four sides of the blade 171, 172, 174 and 175 as shown in FIG. 24A and FIG. 24C, two sides 181 of the one side of the one side of the base metal 186 sandwiching the one specific vertex 180 of the square metal 186 182, 182, 182, 182, 184, 182, 184, 182, 184, 182, 182, 182, 184, and 185 of cemented carbide are formed on the blade body 181, 182, 184, and 185, respectively.

That is, in the third embodiment, the following inventions are described for the crushing device and the installation structure of the blade.

The first feature of the present invention resides in a rotor comprising a rotary V-shaped rotary blade fixed to a concave portion formed on a circumferential surface of a crushing rotor rotating around a predetermined axial center, And a blade having a V-shaped front end for shearing the object to be crushed, the rotary blade attaching sheet having the rotary blade fixed to the concave portion, Wherein one of the plurality of blade bodies is disposed at a blade tip position and the other blade body is disposed at a position connected to a blade portion of the blade blade disposed at the blade tip position It is in point.

According to the above-described configuration, it is possible to construct a mountain-shaped large blade body with a plurality of small blade bodies. It is not necessary to provide a blade body at the opposite end of the blade tip, so that there is no need to form a large recess for attaching the blade to the circumferential surface of the blade rotor by cutting, Can be reduced.

In addition, since the large blade body is constructed by combining a plurality of small blade bodies, the respective blade bodies become lightweight, and handling is facilitated. Furthermore, for example, if the respective blade bodies are constructed to be compatible with the blade body of the rotating blade of the crushing device for fine crushing, the manufacturing cost of each blade body can be greatly reduced by the mass production effect, In addition, management costs can be reduced.

According to a second aspect of the present invention, in addition to the first characteristic configuration, the plurality of blade bodies include at least four sides constituting at least one side of a square pillar, A blade portion is formed at two sides of two opposite sides of the opposite surface of the opposite face of the one face and sandwiching another vertex passing through the diagonal line of the square pillar passing through the specific vertex, And to be detachable at a position connected to the blade edge.

According to the above-described structure, when the rotary blade is worn by the crushing process, each blade is inverted or rotated to be attached to either the blade tip position or the blade tip, thereby forming at least one surface of the square pole Four sides, or two sides of the one face sandwiching one specific vertex of the one face and two sides of the opposing face sandwiching one vertex of the opposite face of the one face and the diagonal line of the square pillar passing the specific vertex The unused blade portion can be reused as the blade portion of the rotary blade among the blade portions formed at the two sides sandwiching the other vertexes passing therebetween. Thus, the number of times that a single large blade body can be reused is increased.

For example, if a single large square column sieve having blade portions on both sides of the ridgelines is used, four new blade portions can be formed by reversing or rotating the blade body when the rotary blade is worn. On the contrary, when a plurality of blade bodies, for example, three blade bodies formed with ridges on both sides of the front and back surfaces are used to form an angular rotary blade, each blade body is reversed or rotated to form a blade tip position and a position It is possible to constitute a new blade portion more than four times by combining the same blade bodies.

For example, four sides constituting one face of a quadrangular pyramid, or two sides of the one face sandwiching one specific vertex of the one face and one face of the opposing face sandwiching one vertex of the opposite face of the one face Using a single large rectangular column blade body having two sides and two side edges sandwiching the other vertex passing through the diagonal line of the quadrangle passing through the specific vertex, if the blade is worn, So that the new blade portion can be formed twice. On the other hand, for example, four sides constituting one side of a quadrangular pyramid, or two sides of the one side sandwiching one specific vertex of the one side and the opposite side of the one side of the opposite side of the one side, And a diagonal line passing through the quadrangular pole passing through the specific vertex. When the rotary blade is formed by three blade bodies having blade portions formed on two sides sandwiching another vertex, each blade body is reversed or rotated, Position and the position connected to the edge of the blade, a new blade part can be formed three times by a combination of the same blade bodies.

The third feature of the present invention is that, in addition to the first or second features, the concave portion is formed in an inverted trapezoidal shape in cross section, and a blade disposed at both ends and a central portion of the concave portion, And a guide member having a guide surface for contacting the two adjacent surfaces of the sieve to position the blade.

According to the above configuration, since the cross-sectional shape of the concave portion does not have to be formed in a shape in contact with the blade body disposed at the blade root position of the rotary blade, the cutting process is facilitated and the manufacturing cost of the crushing rotor can be reduced. In addition, it is easy to position the blade body by contacting two adjacent surfaces of the blade body on the blade root side of the rotary blade to the guide surfaces of the guide member provided at both ends and the center of the concave portion, do.

According to a fourth aspect of the present invention, in addition to the third aspect, the guide member is configured to position the pair of knives disposed adjacent to the blade body disposed at the blade edge position of the rotary blade slightly apart from each other It is in point that it is.

Each of the blade bodies is manufactured to have the same size in terms of design, but in reality, each blade body is interfered with each other because of different sizes, and there is a fear that the blade is not attached to the rotary blade attachment sheet at the position as designed.

According to the above-described configuration, since the angle of the blade body on the blade root side is prevented from being in contact with each other, the housing can be deteriorated when the blade body is attached or a gap may be formed in the gap between the blade and the blade, It is possible to arrange the respective blade bodies at appropriate positions because there is no fear of interfering with the fixed blade by being attached to the fixed blade side more than the predetermined position.

According to a fifth feature of the present invention, in addition to the third or fourth feature, the shielding member for preventing clogging of the crushed product is provided on the gap between the blade body and the crushing rotor disposed at the blade root position of the rotary blade, It is located opposite to the blade.

According to the above-mentioned structure, it is possible to prevent the crushed material from clogging in the gap between the blade body disposed at the blade root position and the concave portion having the inverted trapezoidal cross-sectional shape formed in the crushing rotor, which is generated when the large blade body is constructed by combining a plurality of small blade bodies .

The sixth feature of the present invention resides in that, in addition to any one of the first to fifth features, the rotary blade is constituted by at least three or more odd number of blade bodies.

According to the above-described configuration, for example, each of the blade bodies provided with blade portions on the ridgelines on both sides can be reversed or rotated to be attached to the blade tip position and to the blade tip, thereby forming a new blade portion more than four times have. The number of blade bodies is preferably three or seven, and blade portions of each blade body can be used at the same time.

The seventh aspect of the present invention is characterized in that it comprises a rotating blade having a tip V-shape fixed to a concave portion formed on a circumferential surface of a crushing rotor rotating around a predetermined axis and a rotating blade disposed opposite to the rotating shaft in the axial direction of the crushing rotor, And a fixed blade having a V-shaped front end for shearing the crushed material by engaging with the crushing rotor, wherein the fixed blade is disposed on the table arranged opposite to the crushing rotor along the axial direction of the crushing rotor A fixed blade attaching sheet formed at an end of the cutting blade and a blade body of a plurality of rectangular columns detachable from the fixed blade attaching sheet, wherein one of the plurality of blade bodies is disposed at a blade tip position, And is disposed at a position connected to the blade portion of the blade body disposed in the blade body.

According to the above-mentioned constitution, the same effect as that of the first feature of the fixed blade can be obtained.

The eighth aspect of the present invention is characterized in that it comprises a rotating blade having a V-shaped tip end fixed to a recess formed in a circumferential surface of a crushing rotor rotating around a predetermined axis and a rotating blade disposed opposite to the rotating shaft in the axial direction of the crushing rotor, And a fixed blade having a V-shaped front end for shearing the crushed material by engaging with the crushing rotor, wherein the fixed blade is disposed on a table disposed opposite to the crushing rotor along the axial direction of the crushing rotor Wherein the fixed blade support member includes a fixed blade support member which is detachably attachable to and detachable from the fixed blade support member and a fixed blade supporting sheet member formed on the fixed blade support member, And the blade is disposed at a position connected to the blade of the blade body disposed at the blade tip position.

According to the above-described configuration, since the same effect as that of the first feature of the fixed blade can be obtained, and the fixed blade support member can be detachably attached to the table, It becomes easy.

The ninth characterizing feature of the present invention is that, in addition to the seventh or eighth characterizing feature, the plurality of knives are at least four sides constituting at least one side of a square pillar, A blade portion is formed at two sides of two opposite sides of the one surface and two opposite sides of the opposing surface sandwiching one vertex of the opposite surface of the one surface and sandwiching another vertex passing through the diagonal line of the square pillar passing through the specific vertex, And to be detachable at a position connected to the end of the blade.

According to the above-described constitution, the same effect as that of the second feature of the fixed blade can be obtained.

The tenth feature of the present invention is that, in addition to any one of the seventh to ninth aspects, the fixed blade is constituted by at least three or more odd number of blade bodies.

According to the above-mentioned constitution, the same effect as that of the sixth feature of the fixed blade can be obtained.

The blade body used in the third embodiment is formed of a rhomboidal quadrangular column having corners at an acute angle and an obtuse angle and one of the corners of the acute angle and the obtuse angle serves as a blade tip of the rotary blade, .

According to the above-described configuration, since the blade body constituting the rotary blade and the blade body constituting the fixed blade can be shared, the manufacturing cost of each blade body can be greatly reduced by the mass production effect, The management cost can also be reduced.

1 is a schematic view of a shredding apparatus according to the present invention,

Fig. 2 (a) is an enlarged view of the main part of the crushing rotor, Fig. 2 (b) is a schematic view of the crushing rotor,

Fig. 3 (a) is a plan view of the fixed blade, Fig. 3 (b) is a front view of the fixed blade, (F) is a right side view of the fixed blade according to the second embodiment, and

FIG. 4A is a schematic view of the fixed blade supporting portion, FIG. 4B is a sectional view of the fixed blade supporting portion, FIG. 4C is a sectional view of the fixed blade supporting portion,

5 is an explanatory diagram of the crushing processing unit,

FIG. 6A is an explanatory diagram of a blade portion of a rotary blade and a blade portion of a fixed blade, FIG. 6B is an explanatory diagram of a blade portion of the rotary blade,

FIG. 7A is a schematic view of a fixed blade supporting portion according to a second embodiment, FIG. 7B is a sectional view of a fixed blade supporting portion according to a second embodiment,

FIG. 8A is a perspective view of the fixed blade supporting portion according to the second embodiment, FIG. 8B is an explanatory view for attaching the fixed blade to the fixed blade supporting portion according to the second embodiment, and FIG. Explanation of the inclination angle of the fixed blade by

9 is an explanatory diagram of a fixed blade and a fixed blade supporting member provided with an identification means according to another embodiment;

FIG. 10A is an explanatory diagram of a blade portion of a rotary blade and a blade portion of a fixed blade according to a second embodiment, FIG. 10B is an explanatory diagram of a blade portion of the rotary blade and a blade portion of the fixed blade, c is an explanatory diagram of the blade portion of the rotary blade and the blade portion of the fixed blade according to the second embodiment,

11 is an explanatory diagram of a conventional installation structure of a fixed blade;

12 is an explanatory diagram of a conventional installation structure of a fixed blade,

13 is a schematic view of a shredding apparatus according to the present invention,

Fig. 14 (a) is a left side view of the crushing rotor, Fig. 14 (b) is a front view of the crushing rotor,

FIG. 15A is a perspective view of the rotary blade, FIG. 15B is a front view of the blade body, FIG. 15C is a plan view of the blade body,

Fig. 16A is a plan view of the rotary blade attaching member, Fig. 16B is a left side view of the rotary blade attaching member, Fig. 16C is a front view of the rotary blade attaching member,

Fig. 17A is a plan view of the rotary blade attaching member attached to the crushing rotor, Fig. 17B is a left side view of the rotary blade attaching member attached to the crushing rotor, Fig. 17C is a cross- Front view,

Fig. 18 (a) is an explanatory diagram of a jig, Fig. 18 (b) is a front view of the blade body, Fig.

19 is a perspective view for explaining the installation of a rotary blade to the rotary blade attachment member,

Fig. 20 (a) is a perspective view of the fixed blade supporting member and the fixed blade, Fig. 20 (b) is a front view of the blade body,

Fig. 21A is a front view of the fixed blade supporting member, Fig. 21B is a cross-sectional view taken along the line A-A of the plan view of the fixed blade supporting member, Fig. 21C is a plan view of the fixed blade supporting member,

Fig. 22 (a) is an explanatory view of the installation of the blade body, Fig. 22 (b) is an installation explanatory view of the blade body,

23 is an explanatory diagram of a large rotary blade,

FIG. 24A is an explanatory diagram of a blade body according to another embodiment, FIG. 24B is an explanatory diagram of a blade body according to another embodiment, FIG. 24C is an explanatory diagram of a blade body according to another embodiment,

Fig. 25 (a) is an explanatory diagram of a crushing treatment section of a conventional fine crushing crushing apparatus, Fig. 25 (b) is an explanatory view of a fixed blade of a fine crushing crushing apparatus,

Description of the Related Art

1: crushing device 2: storage hopper

3: crushing treatment section 4: press-fit pusher

4a: Arm 5: Table

6: Friction rotor 6a: Attachment sheet

6b: Bolt 6v: Home

7: rotating blade 7 ', 7 ": blade portion

8: Fixing blade 8 ', 8 ": blade portion

9: Fixing blade 9 ', 9 ": blade part

10: Screen device 11: Discharge hopper

12: Fixing blade supporting member 13: Attachment sheet

14: Bolt 15: Bolt

16: notch 17: bolt hole

18: tongue bolt 19: fixed blade supporting member

20: Attachment sheet 21: Notch

22: Identification means 23: Identification means

24: spacer 25: bolt

26: notch 27: projection

28: chamfer α: elevation angle

β: elevation angle γ: angle

?: Angle?: Angle

隆: angle M: electric motor

Claims (12)

A fixed blade mounting structure disposed in a rotating path of a plurality of rotating blades arranged and fixed on a circumferential surface of a crushing rotor rotating around a predetermined axis and being engaged with the rotating blade to shear the crushed material, The fixed blade supporting member having a plurality of fixed blades arranged along the axial direction of the crushing rotor is arranged and fixed to the stepped portion of the table arranged opposite to the crushing rotor so as to face the rotating blade, And a guide portion for releasing the blade supporting member from the stepped portion, Wherein the guide portion comprises a notch portion formed at a lower portion of the back surface of the fixed blade supporting member. The mounting structure of a fixed blade according to claim 1, wherein the notch portion is constituted by a chamfered portion in which the lower portion of the back surface of the fixed blade supporting member is inclined toward the crushing rotor. delete The fixing blade according to claim 1, wherein: the fixed blade support member is formed by arranging a concave attachment sheet for individually accommodating a plurality of fixed blades, and a plate-like fixed blade having a predetermined thickness accommodated in each attachment sheet, Wherein the fixed blade is fixed by bolts from the back surface of the fixed blade. The fixing blade according to claim 1, wherein: the fixed blade support member is formed by arranging a concave attachment sheet for individually accommodating a plurality of fixed blades, and a plate-like fixed blade having a predetermined thickness accommodated in each attachment sheet, Which is bolted to the rear surface of the housing, Wherein the rotary blade and the fixed blade each have a mountain-shaped blade portion, the fixed blade is disposed such that the blade portion of the rotary blade and the blade portion of the fixed blade are engaged with each other at an angle, Wherein each blade portion of the fixed blade is formed in a straight line so that the locus of the blade portion of the blade and the gap of the blade portion of the fixed blade are minimized at the center of the blade width of the fixed blade. The fixing device according to claim 4 or 5, wherein the fixed blade is formed of a prism, and the blade portion is an edge portion where the front surface and the rear surface of the fixed blade intersect the side surface, Wherein the fixed blade is formed in a substantially rectangular shape. [5] The apparatus according to claim 4 or 5, wherein the attachment sheet is configured such that one blade of the rotary blade is engaged with the blade root with respect to one blade of the fixed blade, and the other blade of the rotary blade is engaged with the other blade And the inclined surfaces of the adjacent fixed blades are formed so as to be arranged at different angles so as to be engaged with the blade edge with respect to the blade portion. The fixing blade according to claim 1, wherein the fixing blade supporting member is formed with an attachment hole for engaging with an operation jig for mounting / disengaging the fixed blade supporting member with respect to the table, rescue. The fixed blade supporting member according to claim 1, wherein the fixed blade supporting member is mounted on the fixed blade mounting structure. A plate-like fixed blade having a predetermined thickness, which is mounted on the mounting structure of the fixed blade according to claim 1. 11. The fixed blade according to claim 10, wherein each of the fixed blade has a predetermined thickness and is formed by four corners formed by edge portions where the front surface and the back surface intersect the side surface. A crushing device comprising the fixed blade mounting structure according to claim 1.

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