WO2010119839A1 - パンチ金型及び潤滑油の供給方法 - Google Patents
パンチ金型及び潤滑油の供給方法 Download PDFInfo
- Publication number
- WO2010119839A1 WO2010119839A1 PCT/JP2010/056527 JP2010056527W WO2010119839A1 WO 2010119839 A1 WO2010119839 A1 WO 2010119839A1 JP 2010056527 W JP2010056527 W JP 2010056527W WO 2010119839 A1 WO2010119839 A1 WO 2010119839A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- punch
- lubricating oil
- guide
- hole
- peripheral surface
- Prior art date
- Legal status (The legal status 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 status listed.)
- Ceased
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/18—Lubricating, e.g. lubricating tool and workpiece simultaneously
-
- 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
- Y10T83/00—Cutting
- Y10T83/04—Processes
-
- 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
- Y10T83/00—Cutting
- Y10T83/263—With means to apply transient nonpropellant fluent material to tool or work
-
- 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
- Y10T83/00—Cutting
- Y10T83/929—Tool or tool with support
- Y10T83/9411—Cutting couple type
- Y10T83/9423—Punching tool
Definitions
- the present invention relates to a punch mold used in a punch press such as a turret punch press and a method for supplying lubricating oil, and more particularly, to an oil mist from a striker provided on the punch press so as to be movable up and down.
- the present invention relates to a punch die having a function of performing lubrication between an inner peripheral surface of a punch mounting hole provided in a punch press and an outer peripheral surface of a punch guide in the punch die, and a lubricating oil supply method.
- a punch die is, for example, a cylindrical punch guide that is supported by an upper turret in a turret punch press so that it can move up and down, and a punch body that is integrally provided with a punch blade at the lower end is mounted in a vertically movable manner.
- the punch guide is provided with a stripper spring mounted between the punch head and the punch head provided at the upper end of the punch driver provided integrally with the punch body. It is.
- the striker provided in the punch press so as to be movable up and down in order to press the punch head in the punch die has a function of jetting and supplying oil mist into the punch die through the through hole provided in the punch head.
- the punch mold is supplied with the oil mist, and is provided between the inner peripheral surface of the punch guide and the outer peripheral surface of the punch body, and the inner peripheral surface of the punch mounting hole in the punch press and the outer peripheral surface of the punch guide.
- the lifter spring that supports the punch die so as to be movable up and down includes a guide member such as a stripper bolt that is erected on the upper turret around the punch mounting hole as disclosed in Patent Document 3.
- a lifter ring for supporting a pin or a flange protruding from the outer peripheral surface of the punch guide in the punch die is provided on the guide member so as to be movable up and down, and the lifter ring is attached to the lower side of the lifter ring in the upward direction. It is the structure provided with elastic members, such as a coil spring to energize.
- a peripheral groove for supplying lubricating oil is formed on the outer peripheral surface of the punch guide.
- the lifter ring may not move smoothly. Therefore, when the workpiece is punched at a high speed, there is a problem that the follow-up operation of the punch die with respect to the vertical movement of the striker may be delayed.
- This invention has been made to solve the above-mentioned problems. Accordingly, it is an object of the present invention to provide a punch die and a lubricating oil supply method capable of supplying oil mist into a lifter spring accommodating hole accommodating a lifter spring.
- a first aspect of the present invention is a punch die that is mounted in a punch mounting hole formed in a punch holder in a punch press so as to be movable up and down, and includes the following: A cylindrical punch guide that is mounted on the punch guide so as to be movable up and down; a punch body that can be moved up and down within the punch guide, and has a punch blade at a lower end thereof; A punch driver provided; a punch head provided at an upper end portion of the punch driver; an elastic member provided between the punch head and the punch guide; and a supported portion supported by a lifter spring provided in the punch holder The supported portion is provided on the outer peripheral surface of the punch guide; The formed a lubricating oil supply passage lubricating oil passage communicating with the provided on the outer peripheral surface of the punch guide; and, said lubricating oil passage is provided so as to be communicated with interrupted lifter spring receiving hole which accommodates the lifter spring.
- the lubricating oil path is formed in the punch guide by engaging with a key provided in the punch body or punch driver. It is provided above the keyway.
- a third aspect of the present invention is a punch mold that is mounted in a punch mounting hole formed in a punch holder in a punch press so as to be movable up and down, and includes the following: mounted in the punch mounting hole so as to be movable up and down.
- An oil hole is provided to open on the outer peripheral surface of the punch body; and an outflow hole for allowing the lubricating oil accumulated on the upper surface of the punch body to flow out to the lifter spring side is provided above the punch guide. On the side.
- the outflow hole is always opened to the lifter spring side regardless of the vertical movement of the punch guide.
- a sixth aspect of the present invention is a method of supplying lubricating oil to a lifter spring side using a punch die, and is a cylindrical shape that is mounted in a punch mounting hole formed in a punch holder in a punch press so as to be movable up and down.
- Punch guide a punch body that can be moved up and down in the punch guide, and has a punch blade portion at the lower end thereof; a punch driver provided at the upper portion of the punch body; an upper end portion of the punch driver A punch head provided in the punch; an elastic member provided between the punch head and the punch guide; a supported part supported by a lifter spring provided in the punch holder, wherein the supported part is the punch guide A lubricating oil hole formed in the punch body horizontally in the radial direction, the punch hole An outlet hole for allowing the lubricating oil accumulated on the upper surface of the punch body to flow out to the lifter spring side, provided on the upper side of the punch guide; And is always open to the lifter spring side regardless of the vertical movement of the punch guide; and a communication hole linearly alignable with the lubricating oil hole, and the lubricating oil flowing out from the outflow hole
- the method of supplying the lubricating oil includes the following steps: a striker in a punch press and
- the lubricating oil passage provided on the outer peripheral surface of the punch guide in the punch die can be cut off and communicated with the lifter spring accommodation hole containing the lifter spring, oil mist is supplied into the lifter spring accommodation hole when communicating.
- the lifter spring can be lubricated.
- FIG. 1 is an explanatory front sectional view of a punch die according to an embodiment of the present invention.
- FIG. 2 is a cross-sectional explanatory view showing the configuration of the lubricating oil supply path in the punch die according to the embodiment of the present invention.
- FIG. 3 is a cross-sectional explanatory view showing a key attached state to the punch body.
- 4 (A) to 4 (F) are perspective explanatory views showing punch chips of various shapes.
- FIG. 5 is an explanatory front sectional view of a punch die according to the second embodiment of the present invention.
- FIG. 6 is an explanatory diagram of a portion of the outflow hole according to the second embodiment of the present invention.
- a punch die 1 is used by being mounted on a punch holder 3 such as an upper turret in a punch press (not shown) such as a turret punch press. is there.
- a punch holder 3 such as an upper turret in a punch press (not shown) such as a turret punch press.
- lifter springs 7 that support the punch die 1 so as to move up and down are provided at a plurality of locations around a punch mounting hole 5 that fits and attaches the punch die 1 so as to move up and down.
- lifter spring accommodating holes 9 are provided at a plurality of locations around the punch mounting hole 5 in the punch holder 3, and bolts (guide members) 11 stand in the lifter spring accommodating holes 9.
- An elastic member 15 such as a coil spring is mounted between the lifter ring 13 fitted to the bolt 11 so as to be movable up and down and the bottom of the lifter spring accommodating hole 9. Since the lifter spring 7 has a well-known configuration, a detailed description of its function and operation is omitted.
- the punch die 1 is provided with a cylindrical punch guide 17 that is mounted in the punch mounting hole 5 so as to be movable up and down.
- a plurality of locations on the outer peripheral surface of the punch guide 17 includes the lifter spring 7.
- a supported portion 19 such as a pin supported by the lifter ring 13 is provided.
- the supported portion 19 may be configured as a flange.
- a vertical key groove 23 that engages with a guide key 21 provided in the punch holder 3 is formed on the outer peripheral surface of the punch guide 17.
- An inner flange 25 projecting inward is provided on the upper portion of the punch guide 17, and a retainer collar 27 rotatably provided on the upper portion of the inner flange 25 includes an axis of the punch guide 17 and a retainer collar. 27 is provided with a lower projecting portion 29 whose outer peripheral surface is in sliding contact with the inner peripheral surface of the inner flange 25 so as to coincide with the axial center of the inner flange 25. And between the retainer collar 27 and the punch head 33 integrally fixed to the upper part of the cylindrical punch driver 31 which penetrated the axial center part of the retainer collar 27 movably up and down, for example, a disc spring etc. A powerful stripper spring (elastic member) 35 is elastically mounted. A cylindrical cover 37 surrounding the stripper spring 35 is attached to the upper portion of the punch guide 17.
- a flange portion 39 is provided in which the upper surface in the vicinity of the outer peripheral edge is in contact with the lower surface of the inner flange 25 in the punch guide 17.
- a taper portion 39T that can freely engage and disengage from 29T is formed. Therefore, the centering is automatically performed when the tapered hole 29T of the retainer collar 27 and the tapered portion 39T of the punch driver 31 are engaged.
- the gap (clearance) between the taper hole 29T and the taper portion 39T becomes zero, More accurate centering is performed.
- the adjustment screw member 43 provided integrally with or integrally with the punch driver 41 provided in the punch guide 17 so as to be vertically movable is screwed to the punch driver 31 so as to be vertically adjustable. That is, a female screw portion 45 is formed on the inner peripheral surface of the punch driver 31, and a high-precision fitting hole portion whose inner diameter (inner peripheral surface) is processed with high accuracy is formed below the female screw portion 45. 47 is formed.
- the adjustment screw member 43 is provided with a male screw portion 49 that is threadably engaged with the female screw portion 45 so as to be adjustable in the vertical direction.
- a high-precision fitting portion 51 is formed by machining the outer diameter (outer peripheral surface) with high accuracy.
- the high-precision fitting portion 51 is fitted into the high-precision fitting portion 47.
- the clearance between them is on the order of microns, and the axis of the punch driver 31 and the axis of the adjusting screw member 43 are exactly matched.
- the punch driver 31 is fitted by the high-precision fitting hole 47 and the high-precision fitting portion 51.
- the axis of the adjustment screw member 43 are always kept in a state of coincidence.
- the punch guide 17 The retainer collar 27 is held in a state where the shaft cores of the retainer collar 27 and the retainer collar 27 are engaged with the tapered portion 29T of the punch driver 31 in the tapered hole 29T formed in the lower protruding portion 29 of the retainer collar 27. 27 and the punch driver 31 are held in a state in which the axial centers coincide with each other. Then, by fitting the high-precision fitting portion 51 of the adjustment screw member 43 into the high-precision fitting hole 47 of the punch driver 31, the axial centers of the punch driver 31 and the adjustment screw member 43 are aligned. Retained. Therefore, it becomes a highly accurate punch die in which the axial centers of the above-described constituent elements coincide.
- the vertical adjustment of the adjustment screw member 43 is performed by rotating the punch driver 31 with respect to the adjustment screw member 43.
- the punch driver 31 and the retainer collar 27 rotate integrally. Therefore, in order to restrict the rotation of the punch driver 31 in the normal state, the outer peripheral surface of the lower projection 29 of the retainer collar 27 is formed with recesses 53 at appropriate intervals in the circumferential direction.
- the punch guide 17 is provided with a stopper 55 that can be engaged and disengaged with respect to the recess 53 so as to be movable in the radial direction (radial direction) and biased inward. Since the configuration of the stopper 55 and the like is a known configuration, a more detailed description of the stopper 55 and the like is omitted.
- a circular fitting engagement portion 57 having a diameter larger than the outer diameter of the punch driver 31 is provided at the lower portion of the adjustment screw member 43, and a radial direction formed on the lower surface of the fitting engagement portion 57.
- Keys 63A and 63B slidably engaged with vertical key grooves 61A and 61B formed in the punch guide 17 are integrally attached to both end sides of the key groove 59 via a fixture such as a bolt. .
- a lubricating oil hole 65 (see FIG. 2) serving as a lubricating oil passage communicating with the vertical through hole 43H formed in the shaft core portion of the adjusting screw member 43 is radially provided. It is formed horizontally.
- the fitting engagement portion 57 is provided with an elastic member 67 such as rubber for preventing the close contact with the lower surface of the punch driver 31 so as to protrude upward.
- the punch body 41 fitted into the punch guide 17 so as to be movable up and down is a punch body 41 in a minute clearance (micron order clearance) between the inner peripheral surface of the punch guide 17 and the outer peripheral surface of the punch body 41.
- a minute clearance micron order clearance
- the upper end surface 41U of the punch body 41 is provided at a height position surrounding the flange portion 39 in the punch driver 31.
- the punch body 41 is engaged with the engagement engagement portion 57 of the adjustment screw member 43 in the engagement recess 69 of the punch body 41, and the radial key groove 73 formed in the punch body 41.
- the keys 63A and 63B are engaged with each other, they are integrally attached to the lower portion of the adjusting screw member 43 by a plurality of fixing tools 75 (see FIG. 2) such as mounting bolts.
- a ring-shaped washer 81 for supporting a mounting screw 79 for detachably replacing the punch tip 77 on the lower surface of the punch body 41 is provided.
- the shaft core of the adjustment screw member 43 and the punch body 41 are fixed. It is fixed in a state where the shaft core coincides. Therefore, the axial center of the punch guide 17 and the axial center of the punch body 41 are held in alignment.
- the punch body 41 is formed with a lubricating oil passage (lubricating oil hole) 83 having one end communicating with the lubricating oil hole 65 and the other end opened to the outer peripheral surface of the punch body 41.
- the lubricating oil hole 83 is provided at a position that is approximately 90 ° out of phase with the key grooves 61A and 61B and the key groove 23.
- a vertical lubricating oil groove 85 communicating with the lubricating oil hole 83 is formed on the outer peripheral surface of the punch body 41, and a circumferential groove 87 communicating with the lubricating oil groove 85 is formed. . Therefore, lubrication between the inner peripheral surface of the punch guide 17 and the outer peripheral surface of the punch body 41 is performed by the lubricating oil (oil mist) supplied through the through hole 43H in the adjusting screw member 43.
- the punch guide 17 has a communication hole 89 (refer to FIG. 2) in the radial direction (radial direction) communicating with the lubricating oil groove 85.
- a vertical groove-shaped lubricating oil passage 91 connected to the communication hole 89 is formed on the outer peripheral surface of the punch guide 17, and the punch guide 17 is provided at both upper and lower ends of the lubricating oil passage 91.
- Circumferential grooves (lubricating oil passages) 93U and 93L formed on the outer peripheral surface of the upper and lower ends are communicated.
- the upper circumferential groove 93U is provided above the key grooves 61A and 61B, as is apparent from FIG.
- the lubricating oil is supplied between the inner peripheral surface of the punch mounting hole 5 and the outer peripheral surface of the punch guide 17 in the punch holder 3.
- the upper circumferential groove 93 ⁇ / b> U has a wall portion 95 on the punch mounting hole 5 side of the lifter spring accommodation hole 9 as shown in FIG. 1.
- the upper circumferential groove 93U and the lifter spring accommodation hole 9 are in communication with each other.
- the upper circumferential groove 93U is lowered from the upper surface of the wall portion 95, and the lifter spring accommodating hole 9 It is provided at a height position where communication with is blocked. That is, the upper circumferential groove 93 ⁇ / b> U is provided so as to be able to communicate with the lifter spring accommodating hole 9.
- a circular engagement recess 97 opened downward is formed in order to attach the punch tip 77.
- a radial key 99 having an end located near the opposed position of the outer peripheral surface of the punch body 41 is integrally attached to the ceiling of the engagement recess 97.
- the said key 99 is illustrated with two, it can also be set as one continuous structure.
- the diameter of the engaging recess 97 is formed to be larger than the diameter of the punch driver 31, similarly to the engaging recess 69 formed on the upper surface of the punch body 41.
- the disc-shaped punch tip body 103 provided in the punch tip 77 having the punch blade portion 101 at the lower end portion is detachably fitted and engaged with the engaging recess 97. More specifically, the punch tip 77 has a disk-like punch tip 77 as shown in FIGS. 4 (A) to 4 (F).
- a body 103 is provided.
- the punch blade portion 101 of various shapes is integrally provided on the lower surface of the punch tip body 103.
- a screw hole 105 for screwing a removal tool (not shown), for example, is formed on the lower surface of the punch blade 101 when the punch tip 77 is removed from the engagement recess 97.
- a radial key groove 107 that can be engaged with the key 99 is formed on the upper surface of the punch tip body 103, and a screw hole 103H that engages with the mounting screw 79 is formed in the shaft core portion. Is formed.
- a part of the punch tip body 103 is provided with a direction restricting portion 109 for keeping the directionality of the punch tip 77 with respect to the punch body 41 constant without error even when it is attached / detached.
- the punch tip body 103 is formed with a recess 113 that engages with the head of a fixture 111 such as a mounting bolt to which the key 99 is attached. Therefore, when the punch tip body 103 of the punch tip 77 is engaged with the engagement recess 97 of the punch body 41, the directivity of the punch tip 77 is always regulated in a certain direction.
- the plate presser holder 71 is provided with a plate presser 115 corresponding to the shape of the punch blade portion 101 in the punch tip 77. Since this type of plate presser holder 71 has a known configuration, a description of a more detailed configuration of the plate presser holder 71 is omitted.
- oil mist lubricating oil
- the hole H provided in the striker ST When punching is performed as described above, oil mist (lubricating oil) is ejected from the hole H provided in the striker ST, the hole 33H provided in the punch head 33, the through hole 43H provided in the adjustment screw member 43, and lubrication.
- the oil passages 65, 83, 85, 89, 91 and the like Through the oil passages 65, 83, 85, 89, 91 and the like, they are guided to the upper and lower peripheral grooves 93 U, 93 L on the outer peripheral surface of the punch guide 17.
- the upper circumferential groove 93U is in a state of being blocked from the lifter spring accommodating hole 9.
- lubrication is performed by supplying oil mist between the inner peripheral surface of the punch guide 17 and the outer peripheral surface of the punch body 41 and between the outer peripheral surface of the punch guide 17 and the inner peripheral surface of the punch mounting hole 5. It can be done.
- the striker ST is raised and the punch die 1 is being raised by the lifter spring 7 and the striker ST is in contact with the punch head 33, and when the striker ST is in contact with the punch head 33.
- an upper circumferential groove 93U formed on the outer peripheral surface of the punch guide 17 is formed in the lifter spring accommodating hole 9.
- oil mist is supplied from the upper circumferential groove 93U into the lifter spring accommodating hole 9.
- the taper portion 39T of the punch driver 31 is detached from the taper hole 29T of the retainer collar 27, but when the lift head is restored, the taper portion 39T and the taper hole 29T are engaged again. Is. Accordingly, the retainer collar 27 and the punch driver 31 are aligned each time.
- the high-precision fitting hole 47 of the punch driver 31 and the high-precision fitting part 51 of the adjustment screw member 43 are fitted and engaged with high precision, and the fitting engagement part 57 of the adjustment screw member 43 and The adjustment screw member 43 and the axial center of the punch body 41 are fixed and matched in advance by engaging and fixing the engagement recess 69 of the punch body 41, and the taper portion 39T and the taper. Combined with the engagement with the hole 29T, the axial center of the punch guide 17 and the axial center of the punch body 41 are always kept in a state of being accurately aligned.
- the punch tip body 103 in the punch tip 77 has a disk shape larger in diameter than the outer diameter of the punch driver 31, so that a component force in the left-right direction acts on the punch blade portion 101 in FIG.
- a component force is received in the vicinity of the left and right peripheral edges in FIG. 1 in the punch tip body 103, and the minute inclination of the punch tip 77 can be effectively prevented.
- FIG. 2 when an upward force is applied near the left and right end portions of the punch blade portion 101, it is received by the outer peripheral edge portion of the punch tip body 103 corresponding to the vicinity of the left and right end portions of the punch blade portion 101. As a result, the fine tilt of the punch tip 77 can be effectively prevented.
- the axial center of the punch body 41 and the axial center of the punch tip 77 can always be held in an exact match, and a highly accurate punching process can always be performed. .
- the present invention is not limited to the embodiment as described above, and can be implemented in other forms by making appropriate changes. That is, the outer peripheral surface of the punch tip body 103 in the engagement recess 97 formed in the lower surface of the punch body 41 and the punch tip 77 so that the centering (centering) of the punch body 41 and the punch tip 77 can be easily performed. It is also possible to make it into a taper shape that can be freely engaged and disengaged.
- FIG. 5 shows a second embodiment of the punch die, and the same reference numerals are given to components having the same functions as the components in the punch die 1 described above, and redundant description is omitted. To do.
- the lubricating oil passage (lubricating oil hole) 83 formed in the punch body 41 is formed horizontally in the radial direction in the fitting engagement portion 57 of the adjusting screw member 43. It is formed on the same straight line as the lubricating oil hole 65 as the lubricating oil path.
- the communication hole 89 formed in the punch guide 17 is the same as the lubricating oil hole 83 formed in the punch body 41 when the punch body 41 is relatively raised with respect to the punch guide 17. It is provided in the position which corresponds on a straight line. Further, the upper circumferential groove 93 ⁇ / b> U formed on the outer peripheral surface of the punch guide 17 is connected to the opening of the communication hole 89.
- the fitting engagement is integrally fitted and engaged with the upper surface of the punch body 41, in other words, the engagement recess 69 of the punch body 41.
- An outflow hole (discharge hole) 89 ⁇ / b> A is formed for allowing the lubricant accumulated on the upper surface of the portion 57 to flow out (discharge) to the lifter spring accommodation hole 9 side.
- the outflow hole 89A is always opened without being closed by the vertical movement of the punch body 41. That is, the outflow hole 89A is always opened regardless of the vertical movement of the punch body 41 and the like so as to always allow passage of fluid between the inside and outside of the punch guide 17 on the upper side of the punch body 41. .
- the vertical positional relationship between the outflow hole 89A and the communication hole 89 is such that when the lubricating oil flowing out from the outflow hole 89A to the outer peripheral surface of the punch guide 17 flows down along the outer peripheral surface, the lower communication hole 89 Is in a positional relationship. That is, it is desirable that the communication hole 89 is provided vertically below the outflow hole 89A. However, it may be provided within a range where the lubricating oil flows down from the outflow hole 89A even if it is slightly deviated from the vertical positional relationship.
- the oil mist can be supplied more effectively into the lifter spring accommodating hole 9.
- the punch body 41 is raised by the action of the stripper spring 35.
- the lubricating oil adhering to the inner peripheral surface of the punch guide 17 in a film shape is scraped off by the punch body 41 and collected on the upper surface of the punch body 41.
- the lubricating oil accumulated on the upper surface of the punch body 41 is ejected from the outflow hole 89A toward the lifter spring accommodating hole 9 when the punch body 41 is lifted with respect to the punch guide 17 to lubricate the lifter ring 13 and the like. Is what you want to do.
- the lubricating oil that has flowed out of the outflow hole 89A and has entered the communication hole 89 through the outer peripheral surface of the punch guide 17 ejects oil mist from the communication hole 89, as described above.
- the lifter ring 13 and the like can be more effectively lubricated.
- the punch body 41 when the punch body 41 is raised with respect to the punch guide 17, as shown in FIG. 5, the lubrication hole 65 formed in the adjustment screw member 43, and the punch body 41
- the lubricating oil hole 83 formed in the above and the communication hole 89 formed in the punch guide 17 are aligned in a straight line. That is, they are in a linearly aligned state. Therefore, the striker ST provided for the press is held in contact with the punch head 33 so that the punch head 33 is not lowered, that is, when the striker ST comes into contact with the punch head 33, the lowering of the striker ST is stopped.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
Description
Claims (6)
- パンチプレスにおけるパンチホルダに形成したパンチ装着孔に上下動自在に装着されるパンチ金型であって、以下を含む:
前記パンチ装着孔に上下動自在に装着される筒状のパンチガイド;
前記パンチガイド内において、上下動自在に設けられるパンチボディであって、その下端部にパンチ刃部を備えている;
前記パンチボディの上部に設けられるパンチドライバ;
前記パンチドライバの上端部に設けられるパンチヘッド;
前記パンチヘッドと前記パンチガイドとの間に設けられる弾性部材;及び
前記パンチホルダに備えたリフタースプリングに支持される被支持部であって、当該被支持部が、前記パンチガイドの外周面に設けられている;
上記構成において、
前記パンチボディに形成した潤滑油供給路に連通した潤滑油路を前記パンチガイドの外周面に設ける;及び
前記潤滑油路を、前記リフタースプリングを収容したリフタースプリング収容穴に連通遮断可能に設ける。 - 請求項1に記載のパンチ金型において、
前記潤滑油路は、前記パンチボディ又はパンチドライバに備えたキーと係合して前記パンチガイドに形成された上下方向のキー溝よりも上方位置に備えられている。 - パンチプレスにおけるパンチホルダに形成したパンチ装着孔に上下動自在に装着されるパンチ金型であって、以下を含む:
前記パンチ装着孔に上下動自在に装着される筒状のパンチガイド;
前記パンチガイド内において、上下動自在に設けられるパンチボディであって、その下端部にパンチ刃部を備えている;
前記パンチボディの上部に設けられるパンチドライバ;
前記パンチドライバの上端部に設けられるパンチヘッド;
前記パンチヘッドと前記パンチガイドとの間に設けられる弾性部材;及び
前記パンチホルダに備えたリフタースプリングに支持される被支持部であって、当該被支持部が、前記パンチガイドの外周面に設けられている;
上記構成において、
前記パンチボディに放射方向に水平に形成した潤滑油孔が、当該パンチボディの外周面に開口して設けられている;及び
前記パンチボディの上面に溜まった潤滑油を前記リフタースプリング側へ流出するための流出孔が、前記パンチガイドの上部側に設けられている。 - 請求項3に記載のパンチ金型において、
前記潤滑油孔と直線的に整合自在な連通孔を、前記流出孔から流出した潤滑油が流下する範囲において前記パンチガイドに備えている。 - 請求項4に記載のパンチ金型において、
前記流出孔は、前記パンチガイドの上下動に拘わらず常にリフタースプリング側に開口してある。 - パンチ金型を用いてリフタースプリング側へ潤滑油を供給する方法であって、
パンチプレスにおけるパンチホルダに形成したパンチ装着孔に上下動自在に装着される筒状のパンチガイド;
前記パンチガイド内において、上下動自在に設けられるパンチボディであって、その下端部にパンチ刃部を備えている;
前記パンチボディの上部に設けられるパンチドライバ;
前記パンチドライバの上端部に設けられるパンチヘッド;
前記パンチヘッドと前記パンチガイドとの間に設けられる弾性部材;
前記パンチホルダに備えたリフタースプリングに支持される被支持部であって、当該被支持部が、前記パンチガイドの外周面に設けられている;
前記パンチボディに放射方向に水平に形成した潤滑油孔であって、当該パンチボディの外周面に開口して設けられている;
前記パンチボディの上面に溜まった潤滑油を前記リフタースプリング側へ流出するための流出孔であって、前記パンチガイドの上部側に設けられていて、前記パンチガイドの上下動に拘わらず常にリフタースプリング側に開口して設けられている;及び
前記潤滑油孔と直線的に整合自在な連通孔であって、前記流出孔から流出した潤滑油が流下する範囲において前記パンチガイドに設けられている;
上記により構成されるパンチ金型において、前記潤滑油を供給する方法が、以下のステップを含む:
パンチプレスにおけるストライカをパンチ金型のパンチヘッドに当接する;
潤滑油孔と前記連通孔とを直線的に整合した状態に保持する;及び
前記連通孔を介して前記潤滑油孔から前記リフタースプリング側へ潤滑油を直接的に供給する。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201080016823.3A CN102395435B (zh) | 2009-04-15 | 2010-04-12 | 冲模及润滑油的供给方法 |
| EP10764423.9A EP2420331B1 (en) | 2009-04-15 | 2010-04-12 | Punch die and method of supplying lubricating oil |
| US13/264,028 US9669450B2 (en) | 2009-04-15 | 2010-04-12 | Punch tool device and method of supplying lubricating oil |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009099247 | 2009-04-15 | ||
| JP2009-099247 | 2009-04-15 | ||
| JP2010002004A JP5608375B2 (ja) | 2009-04-15 | 2010-01-07 | パンチ金型及び潤滑油の供給方法 |
| JP2010-002004 | 2010-01-07 |
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| Publication Number | Publication Date |
|---|---|
| WO2010119839A1 true WO2010119839A1 (ja) | 2010-10-21 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2010/056527 Ceased WO2010119839A1 (ja) | 2009-04-15 | 2010-04-12 | パンチ金型及び潤滑油の供給方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US9669450B2 (ja) |
| EP (1) | EP2420331B1 (ja) |
| JP (1) | JP5608375B2 (ja) |
| CN (1) | CN102395435B (ja) |
| TW (1) | TWI460033B (ja) |
| WO (1) | WO2010119839A1 (ja) |
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| CN202224532U (zh) * | 2011-09-29 | 2012-05-23 | 广州市启泰模具工业有限公司 | 数控冲床模具上模装置 |
| CN102632129A (zh) * | 2012-04-16 | 2012-08-15 | 江苏金方圆数控机床有限公司 | 数控转塔冲床用无接点切断模具 |
| CN102744326B (zh) * | 2012-07-07 | 2015-04-29 | 重庆长安索奇汽车零部件有限公司 | 汽车前减震器安装板落料模 |
| CN103182453B (zh) * | 2013-03-22 | 2015-06-10 | 宁波固安力机械科技有限公司 | 一种用于冲床上的控油装置 |
| US9211679B1 (en) * | 2013-05-03 | 2015-12-15 | The Boeing Company | Systems and methods of forming a skin for a composite structure and composite structures including the same |
| JP6106039B2 (ja) * | 2013-07-09 | 2017-03-29 | 株式会社アマダホールディングス | パンチプレス |
| JP5892150B2 (ja) * | 2013-12-09 | 2016-03-23 | ダイキン工業株式会社 | 熱交換器用フィンのアイアニング加工装置、熱交換器用フィン製造方法及び熱交換器製造方法 |
| CN103658406B (zh) * | 2013-12-26 | 2016-03-16 | 昆山市珍和模具五金机械有限公司 | 一种带有储油冲头的模具 |
| CN103722087A (zh) * | 2013-12-26 | 2014-04-16 | 昆山市珍和模具五金机械有限公司 | 一种冲头储油润滑的冲压模具 |
| CA2943157A1 (en) * | 2014-03-19 | 2015-09-24 | Bombardier Inc. | Device and method for positioning a ply of material of a composite component along an arcuate surface |
| DE102015116562A1 (de) * | 2015-09-30 | 2017-03-30 | Tkr Spezialwerkzeuge Gmbh | Hydraulisches Stanzgerät sowie Stanzstempelträger für Stanzgerät |
| CN106270126A (zh) * | 2016-08-24 | 2017-01-04 | 新昌县宏宇制冷有限公司 | 一种不易磨损的铝吊顶板冲孔机 |
| CN108080492A (zh) * | 2016-11-21 | 2018-05-29 | 朱宇浩 | 模座导套 |
| CN107363120A (zh) * | 2017-07-26 | 2017-11-21 | 浙江宏利汽车零部件有限公司 | 保持架成型模具及成型方法 |
| IT201900002039A1 (it) * | 2019-02-12 | 2020-08-12 | Salvagnini Italia Spa | Porta inserti punzone e sistema di punzoni per macchina punzonatrice |
| CN112958693B (zh) * | 2020-07-16 | 2023-01-13 | 山东龙口博瑞特金属容器有限公司 | 一种高速冷冲压等应力设计模具 |
| CN111872231A (zh) * | 2020-07-20 | 2020-11-03 | 安徽省巢湖市共力链条有限公司 | 一种冲压模具用缓冲冲头 |
| TWI742970B (zh) | 2020-12-21 | 2021-10-11 | 財團法人工業技術研究院 | 潤滑油量調整系統及潤滑油量調整方法 |
| CN118905074B (zh) * | 2024-10-11 | 2024-12-24 | 江苏海得游艇有限公司 | 一种游艇用管料自动折弯机及其折弯方法 |
| CN118989123A (zh) * | 2024-10-25 | 2024-11-22 | 江西煜明智慧光电股份有限公司 | 一种散热铝基板生产加工工艺及其加工装置 |
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- 2010-04-12 EP EP10764423.9A patent/EP2420331B1/en not_active Not-in-force
- 2010-04-12 WO PCT/JP2010/056527 patent/WO2010119839A1/ja not_active Ceased
- 2010-04-12 US US13/264,028 patent/US9669450B2/en not_active Expired - Fee Related
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2010264507A (ja) | 2010-11-25 |
| EP2420331B1 (en) | 2016-12-07 |
| EP2420331A1 (en) | 2012-02-22 |
| TW201036728A (en) | 2010-10-16 |
| CN102395435A (zh) | 2012-03-28 |
| JP5608375B2 (ja) | 2014-10-15 |
| CN102395435B (zh) | 2014-12-10 |
| EP2420331A4 (en) | 2014-08-20 |
| US9669450B2 (en) | 2017-06-06 |
| US20120031245A1 (en) | 2012-02-09 |
| TWI460033B (zh) | 2014-11-11 |
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