WO2013132617A1 - 充填部材の離脱方法並びにそれに用いる充填部材及びその充填部材を適用した切断刃 - Google Patents
充填部材の離脱方法並びにそれに用いる充填部材及びその充填部材を適用した切断刃 Download PDFInfo
- Publication number
- WO2013132617A1 WO2013132617A1 PCT/JP2012/055835 JP2012055835W WO2013132617A1 WO 2013132617 A1 WO2013132617 A1 WO 2013132617A1 JP 2012055835 W JP2012055835 W JP 2012055835W WO 2013132617 A1 WO2013132617 A1 WO 2013132617A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- filling member
- hole
- counterbore
- bolt
- bolt head
- Prior art date
Links
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- 239000000945 filler Substances 0.000 title claims abstract description 15
- 238000005520 cutting process Methods 0.000 title claims description 77
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- 229920003002 synthetic resin Polymers 0.000 claims description 5
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Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
- F16B39/021—Locking of screws, bolts or nuts in which the locking takes place after screwing down by injecting a settable material after the screwing down
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/18—Knives; Mountings thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B37/00—Nuts or like thread-engaging members
- F16B37/14—Cap nuts; Nut caps or bolt caps
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49815—Disassembling
Definitions
- the present invention relates to a method for removing a filling member filled in a cross hole or the like, a filling member used therefor, and a cutting blade to which the filling member is applied.
- the filling member is solidly filled in the counterbore space or the bolt head hole, it is possible to prevent foreign matter from entering, for example, the cutting edge member can be replaced with a rotating body with a bolt.
- a crusher or the like In the case of a crusher or the like to be attached, there are problems that it is difficult to repair or replace members, and that it takes time.
- the filling member is filled in a loose state, there is a problem that the intended purpose of preventing the filling member from being detached during use and preventing foreign substances from entering cannot be achieved.
- the present invention is filled in the space of the counterbore hole and the bolt head hole in a solid state.
- An object is to provide an applied cutting blade.
- a method of detaching a filling member wherein a filling member filled in a space of a counterbore hole to which a bolt is attached so that a bolt head is submerged in the counterbore hole and / or
- a filling member filled in the bolt head hole of the bolt with a hole from the space of the counterbore hole and / or the bolt head hole, by applying a pulling force to the filling member, The filling member is extracted from the space of the counterbore hole and / or the hole of the bolt head.
- a pulling force is applied to the filling member via the female screw screwed to the rotating tap, or a screw is screwed into the filling member.
- a pulling force can be applied to the filling member.
- the filling member removing method is the filling member filled in the space of the counterbore hole in which the bolt is mounted so that the bolt head is submerged in the counterbore hole. And / or in a method of detaching the filling member filled in the bolt head hole of the bolt with the hole from the space of the counterbore hole and / or the hole of the bolt head, The filling member is pushed out from the space of the counterbore hole and / or the hole of the bolt head by applying a pushing force from the bottom side of the hole of the bolt head.
- the filling member of the present invention used for the method for detaching the filling member is characterized in that it is made of a synthetic resin obtained by pre-molding the filling member.
- the size of the filling member is 0.5 to 1.5% larger than the size of the hole of the bolt head hole of the counterbore or the bolt with the bolt filled with the filling member. can do.
- the filling member can be made of a fiber reinforced polyamide resin.
- the bottom surface of the filling member can be formed into a flat surface.
- the cutting blade of the present invention is characterized in that it is filled in a countersunk hole equipped with the above bolt or a bolt head hole of a bolt with a hole.
- the counterbore hole to which the bolt is attached can have an inclined surface that extends from a predetermined depth position of the counterbore hole toward the outer surface of the cutting blade.
- the filling member used therefor, and the cutting blade to which the filling member is applied the filling member filled in the space of the counterbore or the hole of the bolt head in a solid state When it becomes necessary to remove the battery, it can be easily detached.
- the filling member in a strong state so that the filling member does not leave during use, such as a crusher that is attached to the rotating body main body with a bolt so as to be replaceable, When repairing or replacing parts by removing the bolts while flattening the spot on the counterbore or the bolt head and securely preventing foreign objects from entering the space on the counterbore or the bolt head Further, by applying the filling member detachment method according to the first and second inventions, the filling member can be easily detached, the bolt can be removed, and repair and replacement of the member can be facilitated.
- the filling member is made of synthetic resin pre-molded on the filling member, and in particular, the dimensions of the filling member are the same as those of the bolt head hole of a counterbore hole or a bolt with a hole to which the filling member is filled.
- the filling member can be easily attached and detached, and the filling member can be detached during use. It can be surely prevented.
- the filler member made of fiber reinforced polyamide resin wear of the filler member in use can be reduced.
- the filling member can be easily detached.
- the counterbore hole to which the bolt is attached has an inclined surface extending from the predetermined depth position of the counterbore hole toward the outer surface of the cutting blade, so that the counterbore hole to which the bolt is attached is formed.
- the foreign matter can be easily removed even when the counterbore is clogged with foreign matter that has entered the counterbore, and the cutting blade can be replaced quickly. Can be done.
- the cutting blade which concerns on 1st Embodiment of this invention is shown, (a) is a longitudinal cross-sectional view, (b) is a top view. It is a perspective view of the cutting blade shown in FIG.
- the clogging state of the foreign material in the attachment hole of the cutting blade shown in FIG. 8 is shown typically, (a) is a side view, and (b) is a partially enlarged sectional view.
- the cutting blade which concerns on 2nd Embodiment of this invention is shown, (a) is a longitudinal cross-sectional view, (b) is a top view. It is a perspective view of the cutting blade shown in FIG.
- the cutting blade which concerns on 3rd Embodiment of this invention is shown, (a) is a longitudinal cross-sectional view, (b) is a top view. It is a perspective view of the cutting blade shown in FIG.
- the cutting blade which concerns on 4th Embodiment of this invention is shown, (a) is a longitudinal cross-sectional view, (b) is a top view. It is a perspective view of the cutting blade shown in FIG.
- the cutting blade which concerns on 5th Embodiment of this invention is shown, (a) is a longitudinal cross-sectional view, (b) is a top view. It is a perspective view of the cutting blade shown in FIG.
- FIG. 1 shows a form of a typical counterbore portion to which the filling member removing method of the present invention is applied.
- FIG. 1 shows a cross-sectional view of a main part of a crusher in which a blade edge member Cu is attached to a rotating body R with a bolt 1 so as to be replaceable.
- FIG. 1 (a) shows a bolt head 1a with a counterbore 2
- FIG. 1 (b) shows an example in which the filling member 3 is filled in the space of the counterbore 2 in which the bolt 1 is mounted so as to be immersed inside the bolt.
- FIG. 1 shows a form of a typical counterbore portion to which the filling member removing method of the present invention is applied.
- FIG. 1 shows a cross-sectional view of a main part of a crusher in which a blade edge member Cu is attached to a rotating body R with a bolt 1 so as to be replaceable.
- FIG. 1 (a) shows a bolt head 1a with a counterbore 2
- FIG. 1C shows an example in which the filling member 3 is filled in the space of the counterbore 2 in which the bolt 1 is mounted so as to be submerged and the hole 1b of the bolt head 1a.
- An example in which the filling member 3 is filled in the hole 1b of the bolt head 1a to which the bolt 1 is attached so as to be submerged inside the hole 2 (this does not exclude the case where the bolt head 1a is exposed). (In this case, the possibility of foreign matter entering the space of the counterbore 2 fitted with the bolt 1 is small. Therefore, the filling member 3 is in the space shall not be filled.) Are shown respectively.
- the space portion 4 is formed inward from the portion where the filling member 3 is mounted so that the method of removing the filling member of the present invention can be performed smoothly.
- the space 4 uses all or part of the hole 1b of the bolt head 1a in the form described in FIGS. 1 (a) to 1 (c).
- FIG. 2 shows a modified form of the counterbore portion to which the filling member detachment method of the present invention is applied.
- FIG. 2 shows an example in which the filling member 3 is filled in the space of the counterbore 2 to which the bolt 1 is mounted so that the bolt head 1a is submerged inside the counterbore 2.
- FIG. 2A shows a state in which a flat plate-like isolation member 5 is disposed so as to close the hole 1b of the bolt head 1a and the filling member 3 is filled.
- FIG. 2B shows the bolt head 1a.
- a plate-shaped isolation member 5 having a convex portion is disposed so as to close the hole 1b in a state where the convex portion is fitted in the hole 1b, and the filling member 3 is filled.
- the separating member 5 is preferably made of a material harder than the filling member 3.
- the space part 4 is formed in the inner bottom part of the filling member 3 so that the removal method of the filling member of this invention can be performed smoothly.
- the filling member 3 can be either pre-formed or filled and solidified.
- the filling member 3 is generally required to have functions such as wear resistance, pressure resistance, heat resistance, and corrosion resistance.
- the pre-molded one is made of synthetic resin such as polyolefin resin, polyamide resin, polyurethane resin, silicon resin, etc.
- the matrix is resin such as unsaturated polyester, epoxy resin, polyamide resin, phenol resin, etc.
- fiber reinforced plastics such as glass fibers, metal such as lead, zinc, copper, etc., and materials such as wood, rubber, paper, glass, etc. Can be used.
- the filling member 3 is made of a pre-molded synthetic resin, and the size of the filling member 3 is set to the counterbore 2 or the bolt head in which the bolt 1 into which the filling member 3 is filled is mounted. It is possible to use a material formed by 0.5 to 1.5%, preferably 0.7 to 1.3% larger than the size of the opening of the hole 1b of 1a.
- the dimension between the two opposing surfaces of the opening of the square hole 1b is 19.16 mm
- the dimension of the filling member 3 is 19 It is preferable to form the film in a thickness of about 35 ⁇ 0.05 mm. Accordingly, the filling member 3 can be easily attached and detached, and the filling member 3 can be reliably prevented from being detached during use.
- the filling member 3 is made of fiber reinforced polyamide resin, and is not particularly limited.
- 30% glass fiber-containing nylon 66 heat resistant temperature of 240 ° C. or higher
- diomer casting nylon manufactured by Nippon Polypenco it is preferable that Thereby, abrasion of the filling member 3 in use can be reduced.
- the bottom surface of the filling member 3 in a flat surface.
- the space part 4 can be formed inward from the place where the filling member 3 of the counterbore hole 2 to which the bolt 1 is attached or the hole 1b of the bolt head 1a is attached, and the detachment work of the filling member is facilitated. It can be carried out.
- a curable resin such as epoxy resin and polyurethane resin
- a material to be solidified such as cement (non-shrink) can be used according to the purpose and application.
- the filling member detaching method of the present invention is described in FIGS. 1 and 2 in the space of the counterbore 2 where the bolt 1 is mounted so that the bolt head 1a is submerged in the counterbore 2.
- the present invention relates to a method for detaching the filled member 3 and / or the filled member 3 filled in the hole 1b of the bolt head 1a of the bolt 1 from the space of the counterbore 2 and / or the hole 1b of the bolt head 1a. Specifically, by applying a pulling force to the filling member 3, the filling member 3 is pulled out from the space of the counterbore 2 and / or from the hole 1b of the bolt head 1a.
- FIG. 3 shows an embodiment of the method for detaching the filling member.
- the filling member 3 is drilled with a drill D, and a female screw 31 is formed on the filling member 3 by tapping.
- the filling member 3 is pulled out from the space of the counterbore 2 by applying a pulling force to.
- the pilot hole in the filling member 3 can be formed in advance when the filling member 3 is pre-molded.
- the pilot hole forming step by the drill D can be omitted.
- the filling member 3 is provided with a counterbore hole. It is necessary not to rotate (co-rotate with the tap T) in the space 1 and / or the hole 1b of the bolt head 1a. Therefore, when the filling member 3 is pre-molded, a spline for increasing the frictional force between the outer peripheral surface of the filling member 3 and the space of the counterbore 2 and / or the inner peripheral surface of the hole 1b of the bolt head 1a. It is preferable that irregular portions such as gears, knurls, and horizontal grooves are formed in advance.
- the filled member 3 pre-formed or The material to be solidified
- the filled member 3 can be prevented from rotating in the space of the counterbore 2 and / or in the hole 1b of the bolt head 1a.
- FIG. 5 shows an embodiment of a method for detaching the filling member.
- this method of detaching the filling member when the filling member 3 is filled into the space of the counterbore 2, the bolt head 1a (the bottom surface of the hole 1b of the bolt head 1a) and the filling member 3 are contracted in advance.
- the screw 7 is screwed into the interposed blind plug 6 (for example, the trade name “Noble Anchor”) and extended (the usage method is opposite to the normal usage method of the blind plug 6), and is pushed onto the filling member 3.
- the filling member 3 is pushed out from the space of the counterbore 2.
- a fluid oil, water, air, etc.
- the counterbore hole may be formed to have an inclined surface that expands from a predetermined depth position of the counterbore hole toward the outer surface of the cutting blade Cu. it can.
- the counterbore hole portion having the inclined surface of the cutting blade Cu may be filled with the filling member 3 or may be left in a space without being filled.
- An example of the shearing crusher to which the cutting blade Cu is applied is a biaxial shearing crusher 100 as shown in FIGS. In this biaxial shearing crusher 100, a plurality of cutting blades Cu are provided alternately with spacers S in the axial direction of the rotating shaft as the rotating body main body R. The spacer S is fixed by positioning the cutting blade Cu in the axial direction.
- the cutting blade Cu according to the first embodiment has an engagement step portion 102 that engages with the rotating body R at the rear in the rotational direction on the inner periphery.
- the outer periphery has a blade 103 at the center in the circumferential direction.
- the blade portion 103 is pointed toward the rotation direction Ro shown in the figure, and counterbore holes 2 are provided at the front and rear positions of the blade portion 103 in the circumferential direction.
- the counterbore 2 is for attaching the cutting blade Cu to the blade base portion with the bolt 1 (FIG. 10), and the bolt seat portion 106 is formed at a predetermined depth.
- a concave groove 107 is formed on the upper portion of the bolt seat portion 106 by a predetermined dimension to hold a dedicated tool used when the cutting blade Cu is removed from the rotating body R. Yes.
- the bolt insertion parts 108 and 109 which are the outer peripheral parts of the counterbore hole 2 are formed with inclined surfaces 110 and 111 extending from the predetermined depth position 112 of the counterbore hole 2 toward the outer surface.
- the predetermined depth position 112 is preferably the substantially upper surface position of the head of the bolt 1 (FIG. 10).
- the inclined surfaces 110 and 111 are inclined surfaces that extend toward the outer surface in the front-rear direction (the left-right direction in FIG. 8B) of the outer periphery of the cutting blade.
- the inclined surfaces of the cutting blade Cu The inclined surface extends in the thickness direction (vertical direction in FIG. 8B).
- the inclined surfaces 110 and 111 are preferably inclined surfaces extending in the front-rear direction of the rotation direction of the outer surface of the cutting blade Cu.
- the inclined surfaces 110 and 111 are formed by moving the machining tool 116 as indicated by an arrow M shown in FIG. 8B after machining to form the bolt seat portion 106.
- a taper end mill is used as the processing tool 116.
- the axis of the machining tool 116 is positioned on an axis substantially orthogonal to the outer surface of the cutting blade Cu at the position of the counterbore 2, and the machining tool 116 is cut. Processing is performed by moving the blade Cu in the circumferential direction and the thickness direction as indicated by an arrow M.
- the counterbored hole 2 in the circumferential front (left side in the figure) is inclined because the tool axis D1 perpendicular to the outer surface is tilted forward in the rotational direction with respect to the center line C of the counterbored hole 2.
- the inclined surface 110 is formed by moving the machining tool 116 as indicated by an arrow M using the tool axis D1 as the axis of the machining tool 116.
- the counterbore hole 2 on the rear side in the circumferential direction (right side in the figure) is such that the tool axis E perpendicular to the outer surface is tilted rearward in the rotation direction with respect to the center line of the counterbore hole 2, and the tilted tool axis E is machined.
- the inclined surface 111 is formed by moving the machining tool 116 as indicated by an arrow M. Moreover, when forming these inclined surfaces 110 and 111, you may make it process incline in the front-back direction according to the processing tool 116. FIG.
- the inclined surface 111 has a larger angle at the rear in the rotational direction with respect to the angle at the front in the rotational direction.
- the foreign matter 120 (hereinafter simply referred to as “foreign matter 120”) is restrained from being caught, and the foreign matter 120 flowing into the counterbore 2 while being compressed with the opposing spacer S (FIG. 10) is effectively clogged. Can be deterred.
- the foreign matter 120 that has flowed to the position of the counterbore 2 is prevented from being caught in the counterbore 2 by the inclined surfaces 110 and 111.
- the foreign matter 120 since the foreign matter 120 has a flow, it passes along the inclined surfaces 110 and 111, and the upper part of the counterbore 2 is not easily clogged.
- the inclined surfaces 110 and 111 prevent the counterbore 2 from being clogged. 111, the foreign matter 120 that was previously clogged may be removed by pressing the foreign matter 120 obliquely thereafter, and the clogging of the foreign matter 120 can be effectively suppressed. Even if the foreign matter 120 is clogged, the clogged foreign matter 120 is in contact with the surrounding inclined surfaces 110 and 111 with a weak frictional force and can be easily removed by the jig 117 or the like.
- the cutting blade Cu of the second embodiment is the same as the cutting blade Cu of the first embodiment, but the inclined surface 110 is the same.
- 111 has a concave groove 122 for easily removing the foreign matter 120 (FIG. 10) clogged in the upper portion of the counterbore 2 with a jig or the like. Since other configurations are the same as those of the first embodiment, the same reference numerals are given to the same configurations.
- the concave groove 122 provided on the inclined surfaces 110 and 111 of the cutting blade Cu is provided in a concave shape with a predetermined depth from the outer surface of the cutting blade toward the counterbore 2 along the inclined surfaces 110 and 111.
- the concave groove 122 may be a groove having the same depth reaching the appropriate position of the counterbore 2 from the outer surface of the cutting blade Cu as shown by a solid line, but the outer surface of the cutting blade Cu as shown by a two-dot chain line
- the side end portion may be deep and the side end portion of the counterbore 2 may be formed in a shallow taper shape.
- the concave groove 122 may have a concave shape such as a V-shaped or U-shaped cross section. Other configurations are the same as those of the cutting blade Cu of the first embodiment.
- the jig 117 may be pushed in more easily. In this case, the removal operation of the clogged foreign matter 120 is more efficient. Well done.
- the cutting blade Cu of the third embodiment is the same as the cutting blade Cu of the second embodiment, but the concave groove 107 is formed.
- the types of processing tools (not shown) for forming the inclined surfaces 133 and 134 are different. Since the other configuration is the same as that of the second embodiment, the same reference numeral is given to the same configuration.
- the cutting blade Cu is formed by forming inclined surfaces 133 and 134 with a processing tool having a large taper angle, and the inclination angles of the inclined surfaces 133 and 134 are cut as compared with the inclined surfaces 110 and 111 of the second embodiment. It is greatly inclined in the front-rear direction of the outer periphery of the blade.
- the cutting blade Cu of the fourth embodiment is a cutting blade having a thickness smaller than that of the cutting blade Cu in the first embodiment, and is concave. In this example, there is no groove 107. Since the side surface form and the like are the same as those in the first embodiment, the same reference numerals are given to the same components.
- the inclined surfaces 142 and 143 extending from the predetermined depth position of the counterbore 2 are formed so as to be inclined only in the front-rear direction (the left-right direction in FIG. 15) of the cutting blade Cu. Yes.
- the inclined surfaces 142 and 143 are formed by moving the machining tool back and forth in the circumferential direction of the cutting blade Cu as shown by an arrow M indicating the course of the machining tool shown in the drawing after machining to form the bolt seat portion 106. It is formed.
- a taper end mill is used as the processing tool.
- the cutting blade Cu of the fifth embodiment has a smaller protrusion amount of the blade portion 103 than the cutting blade Cu of the fourth embodiment.
- a concave groove 152 for pushing the jig 117 into the inclined surfaces 142 and 143 is provided. Since the other configuration is the same as that of the fourth embodiment, the same reference numeral is given to the same configuration.
- the concave groove 152 provided in the inclined surfaces 142 and 143 of the cutting blade Cu is provided in a concave shape with a predetermined depth from the outer surface of the cutting blade toward the counterbore 2 along the inclined surfaces 142 and 143. According to the concave groove 152, even if the foreign matter 120 is clogged in the inclined surfaces 142 and 143, the foreign matter 120 can be easily removed by pushing the jig 117 into the concave groove 152 and raising it.
- the concave groove 152 may also have a concave shape such as a V-shape or U-shape in cross section.
- the foreign matter 120 can be easily removed.
- the replacement work can be performed efficiently and quickly. Therefore, a systematic operation of the crusher can be achieved while suppressing a decrease in the operating rate of the shear crusher.
- the cutting blade Cu having the same side surface shape has been described as an example.
- other embodiments can be applied in the same manner, and the thickness of the cutting blade Cu can also be applied to the above-described embodiment.
- the thickness of the cutting blade Cu may not be limited to the above embodiment.
- the said cutting blade Cu demonstrated the structure which has the concave groove 122,132,152 which latches an exclusive tool when removing, even if it is a cutting blade Cu without this concave groove 122,132,152, it is inclined
- the foreign matter 120 clogged in the surfaces 110, 111, 142, and 143 can be easily removed, and the working efficiency can be improved even when the concave grooves 122, 132, and 152 are not provided, and the concave grooves 122, 132, and 152 can be improved.
- Whether or not to be provided may be set according to use conditions and the like.
- the inclined surfaces 110, 111, 133, 134, 142, and 143 are preferably formed on inclined surfaces that extend in the front-rear direction of the rotation direction of the outer surface of the cutting blade Cu, but are orthogonal to the rotation direction of the outer surface of the cutting blade Cu.
- the separation member removal method of the present invention has been described based on a plurality of embodiments, the present invention is limited to the configuration described in the above embodiments. However, the configuration can be changed as appropriate without departing from the spirit of the invention, for example, by appropriately combining the configurations described in the embodiments.
- the detaching method of the filling member of the present invention, the filling member used therefor, and the cutting blade to which the filling member is applied easily removes the filling member filled in the space of the counterbore hole or the bolt head hole in a solid state.
- the filling member is filled in a strong state so that the filling member does not come off during use, such as a crusher in which the blade member is replaceably attached to the rotating body with bolts. It can be suitably used for applications where it is necessary to remove bolts for repair or replacement of members.
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- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Drilling Tools (AREA)
- Working Measures On Existing Buildindgs (AREA)
- Connection Of Plates (AREA)
- Drilling And Boring (AREA)
Abstract
Description
また、逆に、充填部材を緩い状態に充填すると、使用中に充填部材が離脱し、異物が入り込むことを防止するという所期の目的を達成できないという問題があった。
これにより、例えば、刃先部材を回転体本体に交換可能にボルトによって取り付けるようにした破砕機等のように、使用中に充填部材が離脱しないように強固な状態に充填部材を充填することによって、座ぐり穴やボルト頭部の穴の箇所を平らにし、座ぐり穴の空間やボルト頭部の穴に異物が入り込むことを確実に防止しながら、ボルトを取り外して補修や部材の交換を行う場合に、本第1及び第2発明の充填部材の離脱方法を適用することによって、充填部材を容易に離脱させて、ボルトを取り外すことができ、補修や部材の交換を行い易くすることができる。
図1は、刃先部材Cuを回転体本体Rに交換可能にボルト1によって取り付けるようにした破砕機の要部の断面図を示し、図1(a)は、ボルト頭部1aが座ぐり穴2の内部に没するようにボルト1を装着した座ぐり穴2の空間に充填部材3を充填するようにした例を、図1(b)は、ボルト頭部1aが座ぐり穴2の内部に没するようにボルト1を装着した座ぐり穴2の空間及びボルト頭部1aの穴1bに充填部材3を充填するようにした例を、図1(c)は、ボルト頭部1aが座ぐり穴2の内部に浅く没するように(ここで、ボルト頭部1aが露出する場合を排除しない。)ボルト1を装着したボルト頭部1aの穴1bに充填部材3を充填するようにした例(この場合、ボルト1を装着した座ぐり穴2の空間に異物が入り込むおそれが小さいため、当該空間には充填部材3は充填しないものとする。)を、それぞれ示す。
そして、この空間部4は、図1(a)~(c)に記載した形態においては、ボルト頭部1aの穴1bの全部又は一部を利用するようにしている。
図2は、ボルト頭部1aが座ぐり穴2の内部に没するようにボルト1を装着した座ぐり穴2の空間に充填部材3を充填するようにした例で、このうち、図2(a)は、ボルト頭部1aの穴1bを閉鎖するように平板状の隔離部材5を配設して充填部材3を充填したものであり、また、図2(b)は、ボルト頭部1aの穴1bに凸部が嵌入した状態で穴1bを閉鎖するように凸部を備えた板状の隔離部材5を配設して充填部材3を充填したものである。
この場合、隔離部材5は、充填部材3より硬質の材料を用いることが好ましい。
そして、本発明の充填部材の離脱方法を円滑に行うことができるように、充填部材3の内底部に空間部4を形成するようにしている。
充填部材3には、一般的に、耐摩耗、耐圧性、耐熱性、耐腐蝕性等の機能を有することが求められる。
例えば、ボルト頭部1aに四角形状の穴1bを有するボルト1の場合、四角形状の穴1bの開口部の対向する2面間の寸法が19.16mmに対して、充填部材3の寸法を19.35±0.05mm程度に形成するようにすることが好ましい。
これにより、充填部材3の装着及び離脱を容易に行うことができるとともに、使用中に充填部材3が離脱することを確実に防止することができる。
これにより、使用中の充填部材3の摩耗を低減することができる。
これにより、ボルト1を装着した座ぐり穴2又はボルト頭部1aの穴1bの充填部材3を装着した箇所より内方に空間部4を形成することができ、充填部材の離脱作業を容易に行うことができる。
この充填部材の離脱方法は、充填部材3にドリルDで下穴をあけ、タップ加工により充填部材3に雌ねじ31を形成しながら、回転するタップTに螺合する雌ねじ31を介して充填部材3に引抜力を作用させることによって、充填部材3を座ぐり穴2の空間から引き抜くようにしている。
この場合、充填部材3にドリルDで下穴をあける際に、ボルト頭部1aの穴1b(空間部4)が存在するため、充填部材3に下穴が貫通したことを容易に確認することができ、ドリルDの損耗や作業時間のロスを低減することができる。
また、充填部材3にあける下穴は、充填部材3をプレ成形する際に予め形成するようにすることができる。
また、タップTに代えて、ドリルタップを使用することにより、ドリルDによる下穴の形成工程を省略することができる。
このため、充填部材3をプレ成形する際に、充填部材3の外周面に、座ぐり穴2の空間及び/又はボルト頭部1aの穴1bの内周面との摩擦力を増すためのスプライン、ギヤ、ローレット、水平溝等の凹凸部を予め形成するようにすることが好ましい。
また、図4に示すように、座ぐり穴2の空間及び/又はボルト頭部1aの穴1bの形状を真円以外の形状にすることにより、充填した充填部材3(プレ成形されたものや充填固化されるもの)が、座ぐり穴2の空間及び/又はボルト頭部1aの穴1b内で回転しないようにすることができる。
この充填部材の離脱方法は、充填部材3を座ぐり穴2の空間に充填する際に、予めボルト頭部1a(ボルト頭部1aの穴1bの底面)と充填部材3の間に収縮状態で介在させたブラインドプラグ6(例えば、商品名「ノーブルアンカー」。)に、ねじ7をねじ込んで伸張させ(通常のブラインドプラグ6の使用方法とは、逆の使用方法。)、充填部材3に押出力を作用させることによって、充填部材3を座ぐり穴2の空間から押し出すようにしている。
なお、切断刃Cuの傾斜面を有してなる座ぐり穴の部分は、上記充填部材3を充填するようにしても、充填せずに空間のままとすることもできる。
切断刃Cuを適用する剪断式破砕機としては、例えば、図6~図7に示すような、二軸剪断式破砕機100がある。
この二軸剪断式破砕機100には、回転体本体Rとしての回転軸の軸方向に、複数の切断刃CuがスペーサSと交互に設けられている。スペーサSは、切断刃Cuを軸方向に位置決めして固定されている。
1a ボルト頭部
1b 穴
2 座ぐり穴
3 充填部材
31 雌ねじ
4 空間部
5 隔離部材
6 ブラインドプラグ
7 ねじ
110、111、133、134、142、143 傾斜面
Cu 刃先部材(切断刃)
D ドリル
T タップ
R 回転体本体
Claims (12)
- ボルト頭部が座ぐり穴の内部に没するようにボルトを装着した座ぐり穴の空間に充填された充填部材及び/又は穴付きボルトのボルト頭部の穴に充填された充填部材を、座ぐり穴の空間及び/又はボルト頭部の穴から離脱させる方法において、前記充填部材に引抜力を作用させることによって、前記充填部材を座ぐり穴の空間及び/又はボルト頭部の穴から引き抜くことを特徴とする充填部材の離脱方法。
- 充填部材にタップ加工により雌ねじを形成しながら、回転するタップに螺合する前記雌ねじを介して充填部材に引抜力を作用させるようにすることを特徴とする請求項1記載の充填部材の離脱方法。
- 充填部材にスクリューをねじ込み、該スクリューを介して充填部材に引抜力を作用させるようにすることを特徴とする請求項1記載の充填部材の離脱方法。
- ボルト頭部が座ぐり穴の内部に没するようにボルトを装着した座ぐり穴の空間に充填された充填部材及び/又は穴付きボルトのボルト頭部の穴に充填された充填部材を、座ぐり穴の空間及び/又はボルト頭部の穴から離脱させる方法において、前記充填部材に座ぐり穴の底部側及び/又はボルト頭部の穴の底部側から押出力を作用させることによって、前記充填部材を座ぐり穴の空間及び/又はボルト頭部の穴から押し出すことを特徴とする充填部材の離脱方法。
- 充填部材を座ぐり穴の空間及び/又はボルト頭部の穴に充填する際に、予めボルト頭部及び/又はボルト頭部の穴の底面と充填部材の間に介在させたブラインドプラグによって充填部材に押出力を作用させるようにすることを特徴とする請求項4記載の充填部材の離脱方法。
- ボルト頭部及び/又はボルト頭部の穴の底面と充填部材の間に流体を導入し、該流体の圧力によって充填部材に押出力を作用させるようにすることを特徴とする請求項4記載の充填部材の離脱方法。
- 請求項1、2、3、4、5又は6記載の充填部材の離脱方法に用いる充填部材であって、充填部材がプレ成形された合成樹脂製のものからなることを特徴とする充填部材。
- 充填部材の寸法を、当該充填部材が充填されるボルトを装着した座ぐり穴又は穴付きボルトのボルト頭部の穴の開口部の寸法より0.5~1.5%大きく形成してなることを特徴とする請求項7記載の充填部材。
- 充填部材が繊維強化ポリアミド樹脂製のものからなることを特徴とする請求項7又は8記載の充填部材。
- 充填部材の底面が平坦な面に形成されてなることを特徴とする請求項7、8又は9記載の充填部材。
- 請求項7、8、9又は10記載の充填部材がボルトを装着した座ぐり穴又は穴付きボルトのボルト頭部の穴に充填されてなることを特徴とする切断刃。
- ボルトを装着した座ぐり穴が、該座ぐり穴の所定深さ位置から切断刃の外面に向けて拡がる傾斜面を有してなることを特徴とする請求項11記載の切断刃。
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PCT/JP2012/055835 WO2013132617A1 (ja) | 2012-03-07 | 2012-03-07 | 充填部材の離脱方法並びにそれに用いる充填部材及びその充填部材を適用した切断刃 |
CN201280071207.7A CN104254696B (zh) | 2012-03-07 | 2012-03-07 | 填充部件的脱离方法及其所使用的填充部件及采用了该填充部件的切断刀 |
US14/382,430 US10072696B2 (en) | 2012-03-07 | 2012-03-07 | Detaching method of filling member and filling member used therein and cutter blade using this filling member |
KR1020197023493A KR102025073B1 (ko) | 2012-03-07 | 2012-03-07 | 충전 부재의 이탈 방법 및 그것에 사용하는 충전 부재 및 그 충전 부재를 적용한 절단날 |
EP12870860.9A EP2824337B1 (en) | 2012-03-07 | 2012-03-07 | Method of detaching a filling member |
KR1020147024687A KR102032142B1 (ko) | 2012-03-07 | 2012-03-07 | 충전 부재의 이탈 방법 및 그것에 사용하는 충전 부재 및 그 충전 부재를 적용한 절단날 |
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US10072696B2 (en) * | 2012-03-07 | 2018-09-11 | Kabushiki Kaisha Kinki | Detaching method of filling member and filling member used therein and cutter blade using this filling member |
JP6407128B2 (ja) * | 2015-11-18 | 2018-10-17 | 三菱電機株式会社 | 半導体装置の評価装置および半導体装置の評価方法 |
CN109877767A (zh) * | 2019-04-09 | 2019-06-14 | 安徽马钢设备检修有限公司 | 一种trt转子动叶片定位变形联接销的拆卸方法及其装置 |
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Also Published As
Publication number | Publication date |
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KR20140133839A (ko) | 2014-11-20 |
KR102025073B1 (ko) | 2019-09-25 |
CN104254696A (zh) | 2014-12-31 |
CN104254696B (zh) | 2017-05-10 |
EP2824337B1 (en) | 2020-07-29 |
US10072696B2 (en) | 2018-09-11 |
KR20190097301A (ko) | 2019-08-20 |
EP2824337A4 (en) | 2015-10-21 |
US20150204373A1 (en) | 2015-07-23 |
KR102032142B1 (ko) | 2019-10-15 |
EP2824337A1 (en) | 2015-01-14 |
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