WO2013061812A1 - スライドコアガイドユニット用の組み付け体およびスライドコアガイドユニット - Google Patents

スライドコアガイドユニット用の組み付け体およびスライドコアガイドユニット Download PDF

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Publication number
WO2013061812A1
WO2013061812A1 PCT/JP2012/076603 JP2012076603W WO2013061812A1 WO 2013061812 A1 WO2013061812 A1 WO 2013061812A1 JP 2012076603 W JP2012076603 W JP 2012076603W WO 2013061812 A1 WO2013061812 A1 WO 2013061812A1
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WO
WIPO (PCT)
Prior art keywords
trunnion
guide unit
core guide
slide core
bush
Prior art date
Application number
PCT/JP2012/076603
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English (en)
French (fr)
Japanese (ja)
Inventor
克樹 梅原
持丸　昌己
秀樹 桐明
純一 店橋
Original Assignee
オイレス工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by オイレス工業株式会社 filed Critical オイレス工業株式会社
Priority to KR1020147012249A priority Critical patent/KR20140084136A/ko
Priority to CN201280052167.1A priority patent/CN103906616A/zh
Publication of WO2013061812A1 publication Critical patent/WO2013061812A1/ja

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20—Accessories: Details
    • B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
    • B22D17/24—Accessories for locating and holding cores or inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
    • B29C45/332—Mountings or guides therefor; Drives therefor

Definitions

  • This invention relates to the slide core guide unit which guides the inclination pin for taking out the undercut part of a molded product.
  • a slide core guide unit described in Patent Document 1 is known as a slide core guide unit capable of preventing the pin holder from wobbling with respect to the slide base.
  • annular grooves are formed on the outer periphery of the trunnion portion (rotating shaft) provided on both sides of the pin holder for holding the inclined pin, and O-rings are respectively fitted in these grooves. ing.
  • Each trunnion portion of the pin holder is inserted into a through hole of the slide plate guided by the guide groove of the slide base with the O-ring attached.
  • the present invention has been made in view of the above circumstances, and an object of the present invention is to provide a high-strength slide core guide unit that has good workability when mounting an inclined pin on a pin holder and can be manufactured at a lower cost. It is to provide an assembly to be used.
  • a bush in which a metal mesh is covered with a resin layer for example, a bush in which an expanded metal that can be expanded and contracted in the thickness direction is covered with a resin layer having a low friction coefficient is used. It is interposed between the inner peripheral surface of the insertion hole and the outer peripheral surface of the trunnion portion of the pin holder.
  • the assembly for the slide core guide unit is: A pin holder for attaching an inclined pin for taking out a molded product from a mold having a trunnion part; A trunnion insertion hole into which the trunnion part is inserted is formed, and a slide plate that moves in a predetermined direction while rotatably supporting the trunnion part in the trunnion insertion hole; A bush interposed between the outer peripheral surface of the trunnion part and the inner peripheral surface of the trunnion insertion hole, The bush Metal mesh, And a resin layer filled and covered with the metal mesh.
  • the metal mesh is Compressed between the outer peripheral surface of the trunnion portion and the inner peripheral surface of the trunnion insertion hole, and can be expanded and contracted in the thickness direction of the gap between the outer peripheral surface of the trunnion portion and the inner peripheral surface of the trunnion insertion hole,
  • the resin layer is The coefficient of friction may be lower than that of the metal mesh.
  • the metal mesh is preferably, for example, expanded metal made of phosphor bronze
  • the resin layer is, for example, a lubrication containing, as a main component, ethylene tetrafluoride resin, which contains phenol resin and polyimide resin. Sex compositions are preferred.
  • the slide core guide unit according to the present invention is An assembly for the slide core guide unit described above; A slide base in which the slide plate is slidably inserted and a guide groove is formed to guide the slide plate in a predetermined direction.
  • the flange bushing in which the metal mesh is covered with the resin layer is inserted into the trunnion insertion hole of the slide plate, and the trunnion portion of the pin holder is press-fitted into the flange bushing. For this reason, even if the trunnion portion of the pin holder is not subjected to machining such as grooving, the pin holder that is rotatably held by the slide base is prevented from rotating by its own weight with an appropriate frictional resistance. The attitude of the pin holder can be maintained. For this reason, a high-strength slide core guide unit with good workability when attaching an inclined pin for extruding a molded product from a mold to the pin holder and an assembly used for the same can be manufactured at a lower cost.
  • FIG. 1 is an external view of a slide core guide unit 1 according to an embodiment of the present invention.
  • 2A is a top view of the slide core guide unit 1 shown in FIG. 1
  • FIG. 2B is a cross-sectional view along AA in FIG. 2A
  • FIG. 3 is a sectional view taken along line BB in FIG. 3A is a top view of the slide base 5
  • FIGS. 3B and 3C are a CC sectional view and a DD sectional view of FIG. 3A, respectively.
  • D) is a right side view of the slide base 5.
  • 4A, 4B, and 4C are an external view, a top view, and a side view of the slide plate 3
  • FIG. 4D is an EE cross-sectional view of FIG. 4B.
  • FIG. 5A, 5B, 5C, and 5D are an external view, a front view, a side view, and a top view of the pin holder 2 to which the parallel key 7 is attached.
  • FIG. FIG. 6 is a cross-sectional view taken along the line FF in FIG. 6 (A), (B), (C), and (D) are an external view, a front view, a top view, and a bottom view of the flange bush 4, and
  • FIG. 6 (E) is a view of FIG. 6 (C).
  • FIG. 6F is a sectional view taken along the line GG, and FIG. 6F is an enlarged view of a portion A in FIG. FIG.
  • FIG. 7A is a diagram for explaining an example of the procedure for assembling the pin holder 2 into the slide base 5
  • FIG. 7B is another example of the procedure for assembling the pin holder 2 into the slide base 5.
  • FIG. 7C is a view for explaining, and FIG. 7C is a view showing another example of attachment of the flange bush 4 to the slide plate 3.
  • FIG. 1 is an external view of a slide core guide unit 1 according to the present embodiment
  • FIG. 2 (A) is a top view of the slide core guide unit 1.
  • 2B is a cross-sectional view taken along the line AA in FIG. 2A
  • FIG. 2C is a cross-sectional view taken along the line BB in FIG. 2A.
  • a slide core guide unit 1 includes a pin holder 2 for holding an inclined pin 9 for taking out a molded product from a mold, and a pair of slide plates for holding the pin holder 2 rotatably. 3, a flange bush 4 for preventing rotation of the pin holder 2 relative to the slide plate 3 due to its own weight, a slide base 5 that guides the slide plate 3 along the direction of taking out a molded product from the mold, and an inclined pin 9 as a pin holder Hexagon socket head cap screw 6 for fixing to 2, parallel key 7 for preventing rotation of inclined pin 9, and fixing screw 8 for parallel key 7.
  • FIGS. 3B and 3C are a CC sectional view and a DD sectional view of FIG. 3A, respectively.
  • D) is a right side view of the slide base 5.
  • the slide base 5 is incorporated in an ejector plate attached to a molding machine (not shown). As shown in the figure, the slide base 5 includes a pair of base blocks 51 arranged at a predetermined interval T1, two spacers 52 and four fixing screws 53 that connect the base blocks 51, and ,have.
  • Each base block 51 is formed with a plurality of screw holes 515 penetrating both end faces 513A and 513B that can be used as attachment surfaces to the ejector plate. Mounting screws inserted into the corresponding through holes of the ejector plates into the respective screw holes 515 of the two base blocks 51 in a state in which either one of the end surfaces 513A, 513B of the two base blocks 51 is used as a mounting surface and in contact with the ejector plate.
  • the slide base 5 is fixed to the ejector plate by fastening the mounting screws inserted into the respective screw holes 515 of the two base blocks 51 into the corresponding screw holes of the ejector plate.
  • guide grooves 511 along the moving direction of the pin holder 2 are formed on the opposing surfaces 512 of the two base blocks 51 (surfaces facing each other toward the other base block 51).
  • the guide groove 511 is open on both side surfaces 517 adjacent to the surface 512 facing the other base block 51.
  • the slide plate 3 is inserted into the guide groove 511 from the side surface 517 side of the base block 51 and is slidably accommodated (see FIG. 2C). 3 shows a case where the guide grooves 511 are inclined with respect to the end surfaces 513A and 513B of the base block 51 as an example, but the end surfaces 513A and 513B of the base block 51 and the guide grooves 511 The angle is appropriately determined according to the shape of the undercut portion of the molded product.
  • Screw holes are formed on both side surfaces 517 of the two base blocks 51 at positions corresponding to the screw holes on the other base block 51 side.
  • through holes 522 are formed at intervals corresponding to the interval T1 to be held between the two base blocks 51.
  • These spacers 52 are respectively spanned between the side surfaces 517 of the two base blocks 51 arranged to face each other, and the fixing screws 53 inserted into the respective through holes 522 and screw holes (not shown) on the side surfaces 517 of the base block 51. It is fixed by fastening with. As a result, the two base blocks 51 are fixed at positions having a predetermined interval T1.
  • FIG. 4A, 4B, and 4C are an external view, a top view, and a side view of the slide plate 3, and FIG. 4D is a GG cross-sectional view of FIG. 4B. .
  • the two slide plates 3 are inserted into the guide grooves 511 from the side surfaces 517 of the two base blocks 51 one by one, and can slide in the guide grooves 511 of the two base blocks 51 while holding the pin holder 2. (See FIG. 2C). As shown in the figure, at least one of the surfaces 31A and 31B of each slide plate 3 that slides with the groove bottom 5112 of the guide groove 511 of the base block 51 (31A in FIG. 4) is exposed to the surface. A solid lubricant 33 is embedded.
  • the end surfaces 31 ⁇ / b> C and 31 ⁇ / b> D that slide with the side walls 5111 of the guide grooves 511 of the slide base 5 are also embedded with the solid lubricant 33 exposed on the surface.
  • each slide plate 3 is formed with a trunnion insertion hole 32 penetrating from one surface 31A to the other surface 31B.
  • the trunnion portion 22 of the pin holder 2 is rotatably inserted into the trunnion insertion hole 32 via the flange bush 4 (see FIG. 2C).
  • FIG. 5A, 5B, 5C, and 5D are an external view, a front view, a side view, and a top view of the pin holder 2 to which the parallel key 7 is attached.
  • FIG. FIG. 6 is a cross-sectional view taken along the line FF in FIG.
  • the pin holder 2 is accommodated between the two base blocks 51 of the slide base 5 through a pair of slide plates 3 so as to be rotatable and slidable.
  • the pin holder 2 has a block-shaped holder main body 21 to which the fixed end 91 of the inclined pin 9 is fixed, and the four side surfaces 211A to 211D of the holder main body 21 facing each other in parallel with the sliding direction.
  • a pair of trunnion portions (rotating shafts) 22 formed integrally with the two side surfaces 211A and 211B, and the width t1 of the holder body 21 is narrower than the interval T1 between the two base blocks 51.
  • the distance t2 between the end surfaces 221 of the trunnion part 22 is narrower than the distance T2 between the groove bottoms 5112 of the guide grooves 511 of the two base blocks 51.
  • the holder main body 21 has a pin insertion hole 214 formed on one end face (a face other than the side faces 211A to 211D: hereinafter referred to as an upper face) 212A directed to the cavity side of the molding machine, and on the opposite side of the upper face 212A.
  • a bolt insertion hole 215 with a countersink that penetrates the bottom surface 2141 of the pin insertion hole 214 is formed in the surface (bottom surface) 212B.
  • a key groove 216 is formed at a position where it partially contacts the peripheral surface of the pin insertion hole 214 in the axial direction of the pin insertion hole 214, and a side surface 211A provided with a trunnion portion 22.
  • 211B a screw insertion hole 217 that penetrates the inner wall of the keyway 216 is formed in the side surface 211C.
  • the fixed end 91 of the inclined pin 9 is inserted into the pin insertion hole 214 from the upper surface 212A side of the holder body 21, and the hexagon socket head bolt 6 is inserted into the bolt insertion hole 215 from the bottom surface 212B side of the holder body 21.
  • the insertion hole 214 is fastened to the screw hole 94 in the end surface 93 of the inclined pin 9.
  • the parallel key 7 is accommodated in the key groove 216 from the upper surface 212 ⁇ / b> A side of the holder main body 21, and the fixing screw 8 is inserted into the screw insertion hole 217 from the side surface 211 ⁇ / b> C side of the holder main body 21. Fastened to the screw hole 71 of the key 7.
  • the parallel key 7 fixed to the holder main body 21 in this way comes into surface contact with the notch portion 92 of the inclined pin 9 inserted into the pin insertion hole 214 of the holder main body 21.
  • the tilt pin 9 is positioned in a predetermined direction, and the tilt pin 9 is prevented from rotating with respect to the holder body 21.
  • the pair of trunnion portions 22 have a common axis O that crosses the pin insertion hole 214 of the holder main body 21. As described above, these trunnion portions 22 are rotatably inserted into the trunnion insertion holes 32 of the slide plate 3 slidably received in the guide grooves 511 of the two slide bases 5 via the flange bush 4. ing. For this reason, the tilt pin 9 inserted into the pin insertion hole 214 of the holder body 21 can be adjusted in tilt angle according to the undercut angle by rotation around the axis O of the pin holder 2 during setting. During the cutting process, along with the movement of the ejector plate, it reciprocates together with the pin holder 2 along the guide grooves 511 of the two slide bases 5.
  • FIG. 6A is an external view of the flange bush 4, and FIGS. 6B, 6C, and 6D are enlarged views of a front view, a top view, and a bottom view of the flange bush 4.
  • FIG. 6 (E) is a cross-sectional view taken along the line GG in FIG. 6 (C), and FIG. 6 (F) is an enlarged view of a portion A in FIG. 6 (E).
  • each of the two flange bushings 4 is interposed between the pin holder 2 and the slide plate 3, more specifically, between the outer peripheral surface 222 of the trunnion portion 22 and the inner peripheral surface 321 of the trunnion insertion hole 32.
  • each flange bush 4 includes a cylindrical bush body 41 inserted into the trunnion insertion hole 32 of the slide plate 3, and a retaining flange 42 protruding from the outer periphery of one end 414 of the bush body 41. It is equipped with.
  • the trunnion portion 22 of the pin holder 2 is further press-fitted therein.
  • the bush body 41 can be deformed in accordance with the inner diameter of the trunnion insertion hole 32 when the slide plate 3 is inserted into the trunnion insertion hole 32, or the trunnion portion when the trunnion portion 22 of the pin holder 2 is press-fitted into the bush body 41.
  • Each flange bush 4 is provided with a slit 45 over the entire axial length (from the other end 413 of the bush body 41 to the outer peripheral surface 423 of the flange 42) so that the bush body 41 can be deformed in accordance with the outer diameter of the bush 22. Is formed.
  • the flange bush 4 is made of a composite material in which a metal mesh 46 that can be expanded and contracted in the thickness direction ⁇ is used as a base material, and the base material is filled and covered with a resin layer 44 having a lower friction coefficient than the metal mesh forming material. Is formed.
  • the flange bush 4 includes a metal mesh 46 having a metal wire portion that undulates in the thickness direction ⁇ of the flange bush 4, and each metal wire portion constituting the metal mesh 46 partially has one surface 441. And a resin layer 44 covered with a metal mesh 46 so as to be exposed from the side.
  • a metal mesh 46 for example, a network-like expanded formed by stretching a metal plate made of phosphor bronze in which a plurality of rows of slits in a predetermined direction are formed in a direction crossing the direction of the slits, for example.
  • Metal is mentioned.
  • the resin layer 44 is preferably formed of, for example, a lubricating composition containing, as a main component, an ethylene tetrafluoride resin, and a phenol resin and a polyimide resin.
  • the exposed surface 441 of the metal mesh 46 forms the outer peripheral surface 411 of the bush main body 41 and the upper surface (surface on the bush main body 41 side) 421 of the flange 42, and the metal mesh 46 is not exposed.
  • the resin surface 442 forms an inner peripheral surface 412 of the bush main body 41 and a bottom surface (surface opposite to the bush main body 41) 422 of the flange 42.
  • the inner peripheral surface 412 of the bush main body 41 that contacts the pin holder 2 and the bottom surface 422 of the flange 42 form a sliding surface with a low friction coefficient
  • the upper surface 421 of the flange 42 forms a friction surface having a higher friction coefficient than the inner peripheral surface 412 of the bush main body 41 and the bottom surface 422 of the flange 42.
  • FIG. 7A is a diagram for explaining the procedure for assembling the pin holder 2 into the slide base 5.
  • the bush main body 41 of the flange bush 4 and the upper surface 421 of the flange 42 slide from the surface 31B side where the solid lubricant 33 is not embedded in the trunnion insertion holes 32 of the two slide plates 3, respectively. Insert until the surface 31B of the plate 3 contacts.
  • the outer peripheral surface 411 of the bush body 41 is a friction surface having a high friction coefficient, each flange bush 4 is held in the trunnion insertion hole 32 of the slide plate 3 without dropping off.
  • the two trunnion portions 22 of the pin holder 2 are press-fitted from the flange 42 side into the bushing body 41 of the flange bushing 4 mounted in the trunnion insertion hole 32 of each slide plate 3.
  • the bush main body 41 is deformed in accordance with the outer shape of the trunnion portion 22 of the pin holder 2 due to the change in the width of the slit 45, and the metal mesh 46 in the bush main body 41 is deformed to the outer peripheral surface of the trunnion portion 22 of the pin holder 2.
  • the thickness direction ⁇ (the outer peripheral surface 222 of the trunnion portion 22 of the pin holder 2 and the inner peripheral surface 321 of the trunnion insertion hole 32 of the slide plate 3. Compressed in the thickness direction of the gap) and elastically deforms in accordance with the gap between the outer peripheral surface 222 of the trunnion portion 22 of the pin holder 2 and the inner peripheral surface 321 of the trunnion insertion hole 32 of the slide plate 3.
  • the assembly 10 is accommodated between the base blocks 51 of the slide base 5. Specifically, one of the two spacers 52 is removed from the two base blocks 51 and then the slide plates 3 are inserted into the guide grooves 511 of the two base blocks 51 one by one. Thus, the assembly 10 is inserted between the two base blocks 51. Thereby, the pin holder 2 is accommodated between the two base blocks 51 so as to be movable along the guide groove 511 while being rotatably supported by the two slide plates 3.
  • the flange bush formed by the composite material in which the metal mesh 46 that can be expanded and contracted in the thickness direction ⁇ is covered with the resin layer 44 having a low friction coefficient. 4 is inserted into the trunnion insertion hole 32 of the slide plate 3, and the trunnion portion 22 of the pin holder 2 is press-fitted into the flange bush 4.
  • the resin layer 44 of the flange bush 4 enables the pin holder 2 to rotate smoothly with respect to the slide plate 3, and the trunnion portion 22 of the pin holder 2 is subjected to machining such as grooving.
  • more resin layer 44 is exposed on the inner peripheral surface 412 of the bush body 41 and the bottom surface 422 side of the flange 42 than the outer peripheral surface 411 of the bush body 41 and the upper surface 421 side of the flange 42.
  • the metal mesh 46 to the outer peripheral surface 411 of the bush main body 41 and the upper surface 421 side of the flange 42 more than the inner peripheral surface 412 of the bush main body 41 and the bottom surface 422 side of the flange 42, the bush main body 41 and the pin holder 2.
  • the contact surface (the inner peripheral surface 412 of the bush main body 41 and the bottom surface 422 of the flange 42) is a sliding surface having a low friction coefficient, while the contact surface between the bush main body 41 and the slide plate 3 (the outer peripheral surface of the bush main body 41). 411 and the upper surface 421) of the flange 42 are friction surfaces having a high friction coefficient. For this reason, the friction surface of the flange bush 4 with a high friction coefficient can generate an appropriate frictional force that can prevent rotation due to the weight of the pin holder 2, and the sliding surface of the flange bush 4 with a low friction coefficient Smooth rotation of the pin holder 2 can be realized by applying an appropriate force by the operator. Thereby, positioning of the pin holder 2 when attaching the inclined pin 9 can be facilitated.
  • a low friction coefficient region that slides with the pin holder 2 is formed by the bottom surface 422 of the flange 42 surrounding the trunnion insertion hole 32. Therefore, even if the solid lubricant 33 is not embedded in the surfaces 31B of the two slide plates 3 (or even if the number of solid lubricants 33 embedded in the surfaces 31B of the two slide plates 3 is reduced).
  • the pin holder 2 and the slide plate 3 can also be prevented from being galled by directing the one surface 31B of the slide plate 3 toward the pin holder 2 side.
  • the bush main body 41 has the slit 45.
  • the thickness of the bush body 41 is changed by the elastic deformation of the metal mesh 46 and the trunnion 22 of the pin holder 2 and the trunnion of the slide plate 3 are inserted. It changes according to the gap with the hole 32.
  • the trunnion portion 22 of the pin holder 2 is fitted into the bush body 41 in the trunnion insertion hole 32 of the slide plate 3 with zero clearance, rattling of the pin holder 2 can be prevented.
  • the inner peripheral surface 412 of the bushing body 41 of the flange bush 4 is a sliding surface covered with the resin layer 44 having a low coefficient of friction, and an expanded material having elasticity. Since the metal is used as the base material of the bush body 41, the trunnion portion 22 of the pin holder 2 can be smoothly inserted into the bush body 41 of the flange bush 4.
  • the trunnion portion 22 of the pin holder 2 may be press-fitted into the bushing body 41 of the flange bushing 4, and the trunnion portion 22 with the flange bushing 4 may be further press-fitted into the trunnion insertion hole 32 of the slide plate 3.
  • the flange bush 4 is formed of a composite material in which the metal mesh 46 is covered with the resin layer 44, the thickness is smaller than that of the bush formed of resin alone. Also excellent in wear resistance. For this reason, even if the clearance gap between the outer peripheral surface 222 of the trunnion part 22 of the pin holder 2 and the inner peripheral surface 321 of the trunnion insertion hole 32 of the slide plate 3 is slight, the flange bush 4 can be interposed.
  • flange bush 4 formed by integral molding may be used. In such a flange bush, serrations may be formed on the inner peripheral surface of the bush main body and the bottom surface of the flange, or on the outer peripheral surface of the bush main body and the upper surface of the flange.
  • the trunnion insertion holes 32 of the two slide plates 3 are respectively inserted from the surface 31B side opposite to the surface 31A sliding with the groove bottom 5112 of the guide groove 511 of the base block 51.
  • the bush body 41 of the flange bush 4 is press-fitted.
  • FIG. 7B from the surface 31A side that slides with the groove bottom 5112 of the guide groove 511 of the base block 51, The bush body 41 of the flange bush 4 may be press-fitted.
  • a low friction coefficient region is formed on the surfaces 31A of the two slide plates 3 by the bottom surface 422 of the flange 42 surrounding the trunnion insertion hole 32.
  • the slide plate 3 forms the guide groove 511 of the base block 51. Move more smoothly. For this reason, the occurrence of galling can be prevented.
  • the low friction coefficient region is formed on the surface 31A side of the slide plate 3 by using the bottom surface 422 of the flange 42 of the flange bush 4 as described above, it is embedded in the surface 31A of the two slide plates 3 correspondingly. The number of solid lubricants 33 may be reduced.
  • the exposed surface 441 of the metal mesh 46 forms the outer peripheral surface 411 of the bush body 41 and the upper surface 421 of the flange 42, and the resin surface 442 where the metal mesh 46 is not exposed is formed on the bush body 41.
  • the exposed surface 441 of the metal mesh 46 forms the inner peripheral surface 412 of the bush body 41 and the bottom surface 422 of the flange 42, and the metal peripheral surface 412 and the bottom surface 422 of the flange 42 are formed.
  • the resin surface 442 where the mesh 46 is not exposed may form the outer peripheral surface 411 of the bush body 41 and the upper surface 421 of the flange 42.
  • the flange 42 is provided only on the outer periphery of the one end 414 of the bush main body 41, but as shown in FIG. 7C, the flange 42 is also provided on the outer periphery of the other end 413 of the bush main body 41.
  • a flange 43 may be provided.
  • the flange bush 4 with the single flange 42 having the same shape as the flange bush 4 of FIG. 6 is used.
  • the height of the bush main body 41 is larger by s2 than the plate thickness of the slide plate 3 by the length s1 of the flange 43 formed at the other end 413 of the flange bush 4.
  • the bushing body 41 of the flange bushing 4 is inserted into the trunnion insertion hole 32 from the one surface 31A, 31B side of the slide plate 3 and protrudes from the other surface 31B, 31A side of the sliding plate 3 of the bushing body 41. Press and hold with a pin.
  • the flange 43 is also formed at the other end 413 of the bush body 41, and the flange bush 4 with both flanges 42, 43 is attached to the trunnion insertion hole 32 of the slide plate 3.
  • the present invention is not limited to the above-described embodiment, and various modifications are possible within the scope of the gist.
  • the present invention may be applied to a slide core guide unit including an adjustment rod and a lock nut for adjusting the height of the inclined pin 9 with respect to the pin holder 2.
  • the present invention is, for example, an application for realizing a high-strength slide core guide unit that can be manufactured at a lower cost with good workability when an inclined pin for taking out an undercut portion of a molded product is attached to a pin holder. It is also applicable to.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Bearings For Parts Moving Linearly (AREA)
PCT/JP2012/076603 2011-10-26 2012-10-15 スライドコアガイドユニット用の組み付け体およびスライドコアガイドユニット WO2013061812A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020147012249A KR20140084136A (ko) 2011-10-26 2012-10-15 슬라이드 코어 가이드 유닛용 조립체 및 슬라이드 코어 가이드 유닛
CN201280052167.1A CN103906616A (zh) 2011-10-26 2012-10-15 用于滑动芯引导单元的组件和滑动芯引导单元

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JP2011-235037 2011-10-26
JP2011235037A JP5757845B2 (ja) 2011-10-26 2011-10-26 スライドコアガイドユニット用の組み付け体およびスライドコアガイドユニット

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KR101811023B1 (ko) * 2016-05-12 2017-12-20 주식회사 엠피코리아 금형의 오일프리 슬라이드 유니트
CN105922520A (zh) * 2016-05-25 2016-09-07 宁波跃飞模具有限公司 一种注塑模具简易斜顶滑脚装置

Citations (5)

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Publication number Priority date Publication date Assignee Title
JPS6479417A (en) * 1987-09-18 1989-03-24 Oiles Industry Co Ltd Sliding material and manufacture thereof
JPH04285317A (ja) * 1991-03-13 1992-10-09 Oiles Ind Co Ltd 無給油軸受並びにその製造方法
JPH04321813A (ja) * 1991-04-17 1992-11-11 Oiles Ind Co Ltd 軸受装置及びその製造方法
JP2001079898A (ja) * 1999-09-14 2001-03-27 Oiles Ind Co Ltd スライドコアガイドユニット
JP2003191292A (ja) * 2001-12-26 2003-07-08 Tokushima Showa Mold & Engineering Co Ltd スライドコアガイドユニット及びそれを用いた射出成形金型機構

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JP3846448B2 (ja) * 2002-04-19 2006-11-15 通則 竹元 スライドコアユニット
JP3133912U (ja) * 2007-05-17 2007-07-26 株式会社 タカオ設計事務所 エジェクター装置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6479417A (en) * 1987-09-18 1989-03-24 Oiles Industry Co Ltd Sliding material and manufacture thereof
JPH04285317A (ja) * 1991-03-13 1992-10-09 Oiles Ind Co Ltd 無給油軸受並びにその製造方法
JPH04321813A (ja) * 1991-04-17 1992-11-11 Oiles Ind Co Ltd 軸受装置及びその製造方法
JP2001079898A (ja) * 1999-09-14 2001-03-27 Oiles Ind Co Ltd スライドコアガイドユニット
JP2003191292A (ja) * 2001-12-26 2003-07-08 Tokushima Showa Mold & Engineering Co Ltd スライドコアガイドユニット及びそれを用いた射出成形金型機構

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