EP2878438B1 - Verriegelungsschiebervorrichtung für eine maschinenpresse - Google Patents

Verriegelungsschiebervorrichtung für eine maschinenpresse Download PDF

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Publication number
EP2878438B1
EP2878438B1 EP12881543.8A EP12881543A EP2878438B1 EP 2878438 B1 EP2878438 B1 EP 2878438B1 EP 12881543 A EP12881543 A EP 12881543A EP 2878438 B1 EP2878438 B1 EP 2878438B1
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EP
European Patent Office
Prior art keywords
pin members
lock device
group
slide lock
pin
Prior art date
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Not-in-force
Application number
EP12881543.8A
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English (en)
French (fr)
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EP2878438A4 (de
EP2878438A1 (de
Inventor
Ichiro Kitaura
Akitake Hashidate
Seiji Kimura
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Pascal Engineering Corp
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Pascal Engineering Corp
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Publication date
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Publication of EP2878438A1 publication Critical patent/EP2878438A1/de
Publication of EP2878438A4 publication Critical patent/EP2878438A4/de
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Publication of EP2878438B1 publication Critical patent/EP2878438B1/de
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/28—Arrangements for preventing distortion of, or damage to, presses or parts thereof
    • B30B15/287—Arrangements for preventing distortion of, or damage to, presses or parts thereof preventing unintended ram movement, e.g. using blocking devices

Definitions

  • the present invention relates to a slide lock device for a machine press that is capable of stopping the slide of the machine press at a desired stop position or at a position in the neighborhood thereof.
  • Slide lock devices of various types have been implemented in practice that, when repairs to a machine press, repairs to a die, exchange of the die or the like are being performed, regulate the downward shifting of the press slide with respect to the press main body.
  • the slide lock device disclosed in Patent Document #1 comprises a main frame that is fixed to a press main body, a vertical screw shaft that passes through the main frame and has an engagement portion at its lower end portion that can engage with the slide, a nut member that is rotatably supported on the main frame and is screwingly engaged with the screw shaft, a rotation regulation mechanism that regulates the rotation of the screw shaft, and a rotational drive means or the like that rotationally drives the nut member and thus causes the screw shaft to raise and lower.
  • the slide lock device of the servo press disclosed in Patent Document #2 is a slide lock device that can lock, in any desired position, a large diameter helical gear that drives a slide to raise and lower via an eccentric mechanism, by engaging an engagement claw with the gear teeth of the helical gear.
  • three lock units are provided along the width direction of the teeth of the helical gear and engagement claws that can engage into the groove portions between the gear teeth of the helical gear are provided at the lower ends of the lock units, and these engagement claws are driven forward and backward by hydraulic actuators that are provided within the lock units.
  • the helical gear is put into a locked state and the slide is thus locked by operating the three lock units simultaneously and driving the three engagement claws towards their advanced positions, by thus engaging one of the engagement claws into the groove portion between the gear teeth, and by locking the engagement claw with a ball lock mechanism that includes steel balls.
  • the aims of the present invention are to provide a compact slide lock device, to provide a slide lock device with which a construction for attachment thereof to a machine press can be simplified, to provide a slide lock device having a simple structure that is beneficial from the point of view of cost of production, and so on.
  • the invention is defined in claim 1.
  • the slide lock device for a machine press includes the flange member which is fixed to the shaft member that rotates together with operation of the slide, the main body member that is fixed to the main frame, the plurality of retaining holes that are formed in the main body member, the plurality of pin members that are installed in the retaining holes, the plurality of actuators that drive the plurality of pin members between their advanced positions and their retracted positions, and the plurality of stopper engagement portions formed on the flange member with fixed gaps between them in the circumferential direction and the plurality of insertion portions each formed between adjacent ones of the stopper engagement portions, accordingly its overall structure is compact.
  • the flange member can be fitted to the machine press by simply fixing it to the shaft member and by moreover fixing the main body member to the main frame of the machine press, accordingly the mounting construction for attachment to the machine press has a simple structure. Moreover, since it is arranged for the rotation of the shaft member to be locked and the slide to be thus locked by the stopper engagement portions formed on the flange member being received and stopped by the pin members that have shifted to their advanced positions, accordingly the construction becomes simple, and this is advantageous from the point of view of the cost of production. Other advantageous effects that are obtained from the inventions of the dependent claims will be explained in detail in connection with embodiments.
  • the slide lock device for a machine press is a device that locks the slide of a machine press by locking a shaft member that rotates together with the raising and lowering operation of the slide so that it cannot rotate.
  • the machine press 1 is a crank press, and this machine press 1 comprises a main frame 3, a bolster 4, a slide 2 that is guided by the main frame 3 so as to be freely raised and lowered, a crank shaft 11 (this corresponds to the "shaft member") that drives the slide 2 via a pair of con-rods 5 so as to raise and lower, a main gear 6 and a flywheel 7 that are fixed to the right side end portion of the crank shaft 11, a clutch mechanism 8, an electrically operated motor (not shown in the figures) that rotationally drives the main gear 6 via a plurality of gears, and so on.
  • a slide lock device 10 according to the present invention is attached to the left end portion of the crank shaft 11 and to the main frame 3.
  • this slide lock device 10 comprises: an annular flange member 12 that is fitted over the shaft member 11 so as not to rotate with respect thereto; an annular main body member 14 that is fixed to the main frame 3 of the machine press 1; a plurality of retaining holes 15 (in this embodiment, six thereof) formed in the main body member 14; a plurality of pin members 16 (in this embodiment, six thereof) fitted in these six retaining holes 15 so that they can shift therein in directions parallel to the axis X of the shaft member 11; a plurality of actuators 17 (in this embodiment, six thereof) for driving these six pin members 16 between advanced positions and retracted positions; a plurality of stopper engagement portions 18 (in this embodiment, nine thereof) formed on the flange portion 12 with fixed gaps between them in the circumferential direction, and a plurality of insertion portions 19 (in this embodiment, nine thereof) each formed as an arc between adjacent ones of the stopper engagement portions 18.
  • the shaft member 11 has an axial extension portion 11a that projects from the outer side of the main frame 3 of the machine press 1 outward to the exterior by a predetermined length.
  • the flange member 12 comprises a boss portion 12a that is fixed tightly over the axial extension portion 11a so as not to be rotatable with respect thereto, and a flange portion 12b that is formed integrally with the outer end portion of the boss portion 12a in the axial direction and that moreover is parallel to a plane orthogonal to the axis X of the shaft member 11.
  • the thickness of the flange portion 12b in the axial direction is set to a predetermined thickness (for example, 30 to 40 mm).
  • the flange member 12 is rotationally constrained by a key 11b so that it cannot rotate relative to the axial extension portion 11a, and also is frictionally coupled to the axial extension portion 11a so that it cannot shift relative thereto in the direction of the axis X by a wedge member 20 that is tightly fitted in between a wedge shaped groove 12c formed in the boss portion 12a and the axial extension portion 11a.
  • the wedge member 20 is fixed by a bolt 23 to a pressure plate 22 that is contacted against the end surface of the axial extension portion 11a and is fixed to the flange portion 12b by a plurality of bolts 21, and is pressed by the pressure plate 22 in the direction of the axis X so that it cannot come away.
  • the main body member 14 is an annular member that is fitted over the boss portion 12a with a certain clearance 24 being left between them.
  • the main body member 14 comprises a facing wall portion 26 that is disposed more towards the main frame 3 than the flange portion 12b, and that moreover opposes the flange portion 12b with a gap 25 (for example a gap of around 15 to 20 mm) being left between them.
  • the main body member 14 has an annular fixing flange 14a that is contacted against the outer surface of the main frame 3, and, by this fixing flange 14a being fixed to the main frame 3 by a plurality of bolts 14b, the main body member 14 is fixed to the outer surface of the main frame 3 of the machine press 1.
  • the main body member 14 comprises: the fixing flange 14a; an external circumferential side wall portion 14c that extends from the fixing flange 14a to a position further outward than the flange portion 12b with a minute gap being left between it and the flange portion 12b, an annular plate portion 14d that is formed integrally with the external circumferential side wall portion 14c in the interior of its base end (i.e.
  • a strengthening wall portion 14e that is formed integrally in the interior of the external circumferential side wall portion 14c at an intermediate position in its length direction, and the facing wall portion 26 that is formed integrally between the annular plate portion 14d and the strengthening wall portion 14e and that moreover opposes the flange portion 12b from the main frame 3 side with a gap being left between them.
  • the facing wall portion 26 has a plurality of retaining hole forming wall portions 26a (in this embodiment, six) that are formed as rectangular columns (prisms) extending in the direction parallel to the axis X at positions that divide the circumference centered around the axis X into a plurality of equal parts (in this embodiment, six parts).
  • Each of the retaining holes 15 is formed in a corresponding retaining hole forming wall portion 26a so as to extend parallel to the axis X and moreover so as to oppose the flange portion 12b.
  • the six actuators 17 are members for driving each of the six pin members 16 between an advanced position in which it is advanced towards the flange portion 12b and a retracted position in which it is pulled back from the advanced position.
  • the actuators 17 are built as double acting type air cylinders, and piston rod members 17a of these air cylinders have piston portions 17b and rod portions 17c, with the rod portions 17c of the piston rod members 17a constituting the pin members 16.
  • the rod portions 17c are circular in cross section.
  • a blocking plate 27 that blocks up the six cylinder holes 17d of the air cylinders 17 is disposed between the annular plate portion 14d and the outer side surface of the main frame 3, and is fixed to the main body member 14 by a plurality of bolts 27a.
  • Each of the air cylinders 17 has an air operation chamber 28 for forward motion that is defined in the cylinder hole 17d more towards the blocking plate 27 than the piston portion 17b, and an air operation chamber 29 for return motion that is defined in the cylinder hole 17d around the external circumference of the rod portion 17c.
  • the retaining hole 15 is defined by the cylinder hole 17d and by a rod insertion hole 17e that is formed in the rod side wall portion of the retaining hole forming wall portion 26a, and, when the pin member 16 is in its retracted position, the pin member 16 is retracted to a state in which it does not project out from the retaining hole 15.
  • the air operation chamber 28 for forward motion is connected to a port 31 for air conduit connection via a shallow groove formed in the blocking plate 27 and an air passage 30 formed in the external circumferential side wall portion 14c.
  • the air operation chamber 29 for return motion is connected to a port 33 for air conduit connection via an air passage 32 formed in the external circumferential side wall portion 14c.
  • the ports 31 and 33 of the six air cylinders 17 are connected to a pressurized air supply source (not shown in the figures) by conduits or hoses.
  • the pin members 16 When pressurized air is supplied to the air operation chambers 28 for forward motion and air pressure is vented from the air operation chambers 29 for return motion, then the pin members 16 are driven towards their advanced positions; and, conversely, when air pressure is vented from the air operation chambers 28 for forward motion and pressurized air is supplied to the air operation chambers 29 for return motion, then the pin members 16 are driven towards their retracted positions.
  • the actuators 17 could also be built as double acting type oil pressure cylinders, or could also be built as solenoid actuators.
  • a plurality of stopper engagement portions 18 are formed on the flange portion 12b at positions in a radial direction with respect to the axis X that are the same as those of the pin members 16 with fixed gaps between them in the circumferential direction.
  • a plurality of insertion portions 19 are formed as an arc between adjacent ones of the stopper engagement portions 18.
  • the insertion portions 19 are constituted by insertion apertures 37 in the flange portion 12b that are formed as circular arcs
  • the stopper engagement portions 18 are constituted by bridging wall portions 38 that are formed between adjacent ones of the circular arc shaped insertion apertures 37.
  • the circular arc shaped insertion apertures 37 are formed with width in the radial direction such that they can receive the pin members 16 with minute clearances being left around them, and the end portions of the circular arc shaped insertion apertures 37 in the circumferential directions are formed in half-cylindrical shapes so that the pin members 16 can closely engage therewith.
  • the nine circular arc shaped insertion apertures 37 are formed at intervals of 40° in the circumferential direction, and the circular arc shaped insertion apertures 37 are formed to be a suitable size so that the pin members 16 are shiftable by 20° in the circumferential direction (in other words, the circular arc shaped insertion apertures 37 are shiftable relatively to the pin members 16 by 20°)
  • An annular main body auxiliary member 34 is provided on the outside of the flange portion 21b, so as to oppose the flange portion 12b on its opposite side to the six retaining holes 15, and the main body auxiliary member 34 may, for example, be fixed to the outer end surface of the main body member 14 by twelve bolts 35.
  • Six circular support holes 36 are formed in the main body auxiliary member 34 at positions that divide the circumference into six equal parts, and these support holes 36 are configured so as to be capable of passing the end portions of the six pin members 16.
  • the machine press 1 When, during repair of the machine press 1 or exchange of its die, or if some problem has occurred or the like, the machine press 1 is stopped, and, in order to lock the slide 2 in a desired position or in a position neighborhood thereof, the six pin members 16 are all driven toward their advanced positions simultaneously by the six air cylinders 17, then it becomes possible for at least one of the pin members 16 to enter into one of the insertion portions 19 (i.e. the circular arc shaped insertion apertures 37) and for at least one of the stopper engagement portions 18 (i.e. the bridging wall portions 38) at the end portion of this insertion portion 19 to be received and stopped from further motion in the circumferential direction.
  • the insertion portions 19 i.e. the circular arc shaped insertion apertures 37
  • the stopper engagement portions 18 i.e. the bridging wall portions 38
  • the six pin members 16 that are arranged at positions that divide the circumference into six equal parts may be grouped into a first group of pin members 16a that are arranged at positions that divide the circumference into three equal parts and a second group of pin members 16b that are also arranged at positions that divide the circumference into three equal parts; and, when the six pin members 16 are driven towards their advanced positions, the three pin members 16 of at least one of the first group of pin members 16a and the second group of pin members 16b (in this embodiment, the second group of pin members 16b) enter into three of the circular arc shaped insertion apertures 37 and also enter into their corresponding three support holes 36 and project to the exterior of those support holes 36.
  • the remaining three pin members 16, i.e. the first group of pin members 16a are in a state of contacting against the inner sides of the bridging wall portions 38, as for example shown in Fig. 6 or Fig. 7 .
  • the shaft member 11 rotates by a small angle in the forward rotational direction (i.e. the rotational direction when performing pressing processing) or in the reverse rotational direction, and three of the stopper engagement portions 18 (i.e. three of the bridging wall portions 38) come into contact with and engage with the three pin members 16 of the second group of pin members 16b, so that the shaft member 11 is restrained in a state in which its rotation is prevented, and the slide 2 is locked and is put into the stopped state.
  • a load such as the weight of the slide 2 itself or the weight of a die or the like
  • the three pin members 16 of the first group of pin members 16a also enter into three other circular arc shaped insertion apertures 37 (ones other than the above three circular arc shaped insertion apertures 37), and also go into the state of entering into their corresponding three support holes 36 (refer to Fig. 8 ).
  • the first group of pin members 16a are engaged with the end portions of their three circular arc shaped insertion apertures 37 in the clockwise rotational direction in Fig. 8
  • the second group of pin members 16b are engaged with the end portions of their three circular arc shaped insertion apertures 37 in the anticlockwise rotational direction. Due to this, the shaft member 11 is put into a state in which it can rotate neither forward nor backward.
  • first proximity switch 41 i.e. a first detection means
  • second proximity switch 42 i.e. a second detection means
  • the detection signals from these first and second proximity switches 41 and 42 are provided to a control unit (not shown in the figures) that is employed for control relating to slide locking.
  • the first proximity switches 41 are attached to switch attachment portions 41c that are bent normally from attachment lugs 41b fixed by three screws 41a to the end surfaces of the rod side wall portions of the retaining hole forming wall portion 26, and signal lines 41d extend from these switches 41 to the control unit (not shown in the figures).
  • the first proximity switches 41 are turned OFF when the pin members 16 are in their retracted positions, and are turned ON when the pin members 16 are driven toward their advanced positions.
  • the second proximity switches 42 are attached to switch attachment portions 42c that are bent normally from attachment lugs 42b fixed by four screws 42a to the end surface of the main body auxiliary member 34, and signal lines 42d extend from these switches 42 to the control unit.
  • the second proximity switches 42 are turned ON when the pin members 16 are driven toward their advanced positions and pass through the circular arc shaped insertion apertures 37 and the support holes 36, and are turned OFF when the pin members 16 do not project to the exterior from the support holes 36.
  • first and second proximity switches 41, 42 it would also be acceptable to arrange to employ contact type limit switches, or photointerruptors having light emitting portions and light reception portions, or the like.
  • An annular fixing surface is formed on the external circumferential portion of the main body auxiliary member 34, and a cover plate 43 that consists of a thin metallic plate covering over the end surface of the main body auxiliary member 34 is fixed by a plurality of screws 43a to the annular fixing surface.
  • the insertion portions 19 are constituted by the circular arc shaped insertion apertures 37 that are formed in the flange portion 12b, and the stopper engagement portions 18 are constituted by the bridging wall portions 38, accordingly it is possible to simplify the structure of the insertion portions 19 and the stopper engagement portions 18.
  • the circular arc shaped insertion apertures 37 are holes within which the pin members 16 can relatively shift by 20° in the circumferential direction, and since, when locking the slide 2, the angle through which the flange member 12 rotates until the bridging wall portions 38 engage with the pin members 16 is around 15° at a maximum, accordingly it is possible to stop the slide 2 at a position in the neighborhood of any desired position.
  • the actuators 17 are built as double acting type air cylinders, and the pin members 16 are constituted by the rod portions 17c of their piston rod members 17a, accordingly it is possible to build the slide lock device 10 with a compact structure.
  • first and second proximity switches 41, 42 that detect that the pin members 16 are in their retracted positions and are in their advanced positions are provided, accordingly it is possible reliably to detect the fact that the slide 2 is in the locked state. Since this slide lock device 10 can be attached to the axial extension portion 11a of the shaft member 11 and to the outer surface of the main frame 3 in the neighborhood thereof, accordingly the construction for attachment of the slide lock device 10 to the machine press 1 becomes simple.
  • the slide lock device 10 includes the flange member 12, the main body member 14, the main body auxiliary member 34, the six air cylinders 17 that have a simple structure and that are installed to the main body member 14, and so on, accordingly this is beneficial from the point of view of reduction of the production cost.
  • This slide lock device 10 is an example in which the arrangement of the six pin members 16 is changed.
  • the six pin members 16 may be grouped into a first group of pin members 16a (three pin members) that are arranged at positions dividing the circumference into three equal parts, and a second group of pin members 16c (three pin members) that are also arranged at positions dividing the circumference into three equal parts, and that moreover are spaced by 20° around the axis in the anticlockwise rotational direction in Fig. 9 with respect to the first group of pin members 16a.
  • the three pin members of at least one of the first group of pin members 16a and the second group of pin members 16c enter into three of the circular arc shaped insertion apertures 37 and into their corresponding three support holes 36 (refer to Fig. 9 or Fig. 10 ).
  • the shaft member 11 rotates by a small angle in the forward rotational direction or in the reverse rotational direction, three of the stopper engagement portions 18 (i.e.
  • the bridging wall portions 38) come into contact against and engage with the second group of pin members 16c, and the shaft member 11 is put into a rotationally constrained state, so that the slide 2 is locked and is put into the stopped state.
  • the first group of pin members 16a also pass through the same three circular arc shaped insertion apertures 37 and are put into the state of passing through their three support holes 36 (refer to Fig. 11 ).
  • the first group of pin members 16a are engaged with the end portions of the three circular arc shaped insertion apertures 37 in the clockwise rotational direction in Fig. 11
  • the second group of pin members 16c are engaged with the end portions of the same three circular arc shaped insertion apertures 37 in the anticlockwise rotational direction. For this reason, the shaft member 11 is put into a state in which it cannot rotate either forward or backward.
  • Fig. 12 shows a state in which, finally, the four pin members 16 have been passed through four of the circular arc shaped insertion apertures 37 and through their four support holes 36.
  • the pin members may be grouped into a first group of two pin members 16d that are positioned on opposite sides of the axial extension portion 11a, and a second group of two pin members 16e that are also positioned on opposite sides of the axial extension portion 11a.
  • the first group of pin members 16d are passed through two of the circular arc shaped insertion apertures 37 and the two support holes 36, and, after bridging wall portions 38 have subsequently been contacted against these pin members 16 and brought into engagement therewith by slight rotation of the shaft member 11 in the forward or the backward rotational direction, the second group of pin members 16e are passed through another pair of two circular arc shaped insertion apertures 37 and a pair of two support holes 36 that are different to those above. As shown in Fig.
  • the first group of pin members 16d are engaged with the end portions of their two circular arc shaped insertion apertures 37 in the clockwise rotational direction, while the second group of pin members 16e are engaged with the end portions of their two circular arc shaped insertion apertures 37 in the anticlockwise rotational direction. Due to this, the shaft member 11 is put into a state in which it cannot rotate either forward or backward.
  • FIG. 13 shows a state in which, finally, the eight pin members 16 have been passed through eight of the circular arc shaped insertion apertures 37 and through their eight support holes 36.
  • the pin members may be grouped into a first group of pin members 16f (four pin members) and a second group of pin members 16g (four pin members).
  • the eight pin members 16f When the eight pin members 16f are driven towards their advanced positions, initially the first group of pin members 16f or the second group of pin members 16g are passed through four of the circular arc shaped insertion apertures 37 and four of the support holes 36, and, after four of the bridging wall portions 38 have subsequently been engaged against these four pin members 16 by slight rotation of the shaft member 11, then the remaining four pin members 16 are passed through four more of the circular arc shaped insertion apertures 37 and four more of the support holes 36. In this manner, the shaft member 11 is put into a state in which it cannot rotate either forward or backward.
  • this slide lock device is an example in which, differently from the slide lock device 1 described above, a plurality of stopper engagement portions 18A (in this embodiment, nine) and a plurality of insertion portions 19A (in this embodiment, nine) are provided.
  • Each of the stopper engagement portions 18A consists of a projecting portion 50 that projects by a predetermined distance towards the retaining holes 15 from the flange surface 12g of the flange portion 12f of the flange member 12A
  • each of the insertion portions 19A consists of an insertion space 51 that is defined between a pair of adjacent projecting portions 50, more towards the retaining holes 15 than the flange surface 12g.
  • Fig. 14 is a vertical sectional view as seen from the outward axial direction, showing a cross section orthogonal to the axis X taken at a position more inward than the flange portion 12f of the flange member 12A, and shows the state in which the six pin members 16 have finally been engaged with six of the stopper engagement portions 18A.
  • the present invention provides a slide lock device that locks the slide of a machine press.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Presses (AREA)
  • Automatic Assembly (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)

Claims (10)

  1. Schiebeverriegelungsvorrichtung (10) für eine Maschinenpresse (1), die einen Schieber (2) der Maschinenpresse durch Verriegeln des Rotierens eines Wellenelements (11) verriegelt, das zusammen mit einem Anhebungs- und Absenkungsvorgang des Schiebers (2) rotiert, Folgendes umfassend:
    ein Flanschelement (12), das auf das Wellenelement (11) gesteckt und daran fixiert ist, um mit Bezug darauf nicht zu rotieren, und das einen Flanschabschnitt (12b) umfasst, der parallel zu einer Ebene verläuft, die rechtwinklig zu einer Achse des Wellenelements (11) steht;
    ein ringförmiges Hauptkörperelement (14), das an einem Hauptrahmen (3) der Maschinenpresse (11) fixiert ist und einen gegenüberstehenden Wandabschnitt (26) umfasst, der dem Flanschabschnitt (12b) mit einem gewissen Spalt dazwischen gegenüberliegt;
    eine Vielzahl von Haltelöchern (15), die im gegenüberstehenden Wandabschnitt (26) des Hauptkörperelements (14) parallel zur Achse und dem Flanschabschnitt (12b) gegenüberliegend gebildet sind;
    eine Vielzahl von Stiftelementen (16), von denen jedes in einem der Vielzahl von Haltelöchern (15) installiert ist, um darin verschiebbar zu sein;
    ein Hauptkörperhilfselement (34), das dem Flanschabschnitt (12b) von einer der Vielzahl von Haltelöchern (15) gegenüberliegenden Seite gegenüberliegt und am Hauptkörperelement (14) fixiert ist;
    eine Vielzahl von Aktuatoren (17) zum Antreiben der Vielzahl von Stiftelementen (16) zwischen einer vorgefahrenen Position, in der sie zum Hauptkörperhilfselement (34) hin vorgefahren ist, bzw. einer zurückgefahrenen Position, in der sie aus der vorgefahrenen Position zurückgezogen ist; und
    eine Vielzahl von Stoppereingreifabschnitten (18, 18A), die auf dem Flanschabschnitt (12b) in Positionen in radialer Richtung mit Bezug auf die Achse, die dieselben sind wie die der Stiftelemente (16), und mit festen Spalten zwischen ihnen in Umfangsrichtung gebildet sind, und eine Vielzahl von Einführungsöffnungen (19, 19A), von denen jede als Bogen zwischen benachbarten der Stoppereingreifabschnitte (18, 18A) gebildet ist;
    und so angepasst, dass, wenn zum Verriegeln des Schiebers (2) die Vielzahl von Stiftelementen (16) alle von der Vielzahl von Aktuatoren (17) zu ihrer vorgefahrenen Position hin angetrieben werden, mindestens eines der Stiftelemente (16) in eine der Einführungsöffnungen (19, 19A) eingeführt wird und mindestens einer der Stoppereingreifabschnitte (18, 18A) an einem Endabschnitt dieser Einführungsöffnung (19, 19A) mit dem Stiftelement (16) gestoppt werden kann;
    dadurch gekennzeichnet, dass die Schiebeverriegelungsvorrichtung Folgendes umfasst:
    eine Vielzahl von Stützlöchern (36), die im Hauptkörperhilfselement (34) gebildet sind, damit die Endabschnitte der Vielzahl von Stiftelementen (16) durchgeführt werden können, und wobei ein Endabschnitt des Stiftelements (16), der durch die Einführungsöffnung (19, 19A) geführt wird, in das entsprechende Stützloch (36) eingeführt wird, sodass beide Enden des Stiftelements (16) gestützt sind.
  2. Schiebeverriegelungsvorrichtung für eine Maschinenpresse nach Anspruch 1, wobei
    die Einführungsöffnungen (19, 19A) kreisbogenförmige Einführungsöffnungen (37) sind, die im Flanschabschnitt (12b) gebildet sind, und
    die Stoppereingreifabschnitte (18, 18A) jeweils durch Überbrücken der Wandabschnitte (38) ausgebildet sind, die zwischen benachbarten der kreisbogenförmigen Einführungsöffnungen (37) gebildet sind.
  3. Schiebeverriegelungsvorrichtung für eine Maschinenpresse nach Anspruch 1 oder 2, wobei die Aktuatoren (17) jeweils mit doppeltwirkenden Fluiddruckzylindern und die Stiftelemente (16) jeweils durch Stangenabschnitte (17c) von Kolbenstangenelementen (17a) dieser Fluiddruckzylinder ausgebildet sind.
  4. Schiebeverriegelungsvorrichtung für eine Maschinenpresse nach Anspruch 2, wobei die Stiftelemente (16) einen kreisförmigen Querschnitt aufweisen und ein Endabschnitte der kreisbogenförmigen Einführungsöffnungen (37) als Halbzylinder gebildet sind, in die die Stiftelemente (16) jeweils eingreifen.
  5. Schiebeverriegelungsvorrichtung für eine Maschinenpresse nach Anspruch 4, wobei als Vielzahl von Stiftelementen (16) sechs Stiftelemente bereitgestellt sind, die in Positionen angeordnet sind, die den Umfang in sechs gleiche Teile teilen;
    diese sechs Stiftelemente sind in eine erste Gruppe von Stiftelementen gruppiert, die in Positionen angeordnet sind, die den Umfang in drei gleiche Teile teilen, und eine zweite Gruppe von Stiftelementen, die in Positionen angeordnet sind, die den Umfang in drei gleiche Teile teilen; und
    wenn die sechs Stiftelemente zu ihrer vorgefahrenen Position hin angetrieben werden, werden drei Stiftelemente von mindestens einer der ersten Gruppe von Stiftelementen und der zweiten Gruppe von Stiftelementen durch drei der kreisbogenförmigen Einführungsöffnungen (37) geführt.
  6. Schiebeverriegelungsvorrichtung für eine Maschinenpresse nach Anspruch 4, wobei als Vielzahl von kreisbogenförmigen Einführungsöffnungen (37) neun kreisbogenförmige Einführungsöffnungen in Intervallen von 40° in Umfangsrichtung gebildet sind und jede der kreisbogenförmigen Einführungsöffnungen von einer solchen Größe gebildet ist, dass das Stiftelement relativ dazu über 20° in Umfangsrichtung verschiebbar ist.
  7. Schiebeverriegelungsvorrichtung für eine Maschinenpresse nach Anspruch 6, wobei als Vielzahl von Stiftelementen (16) sechs Stiftelemente bereitgestellt sind;
    diese sechs Stiftelemente sind in eine erste Gruppe von Stiftelementen gruppiert, die in Positionen angeordnet sind, die den Umfang in drei gleiche Teile teilen, und eine zweite Gruppe von Stiftelementen, die in Positionen angeordnet sind, die den Umfang in drei gleiche Teile teilen, und die darüber hinaus in Bezug auf die erste Gruppe von Stiftelementen in eine vorbestimmte Rotationsrichtung um die Achse um den Abstand von 20° beabstandet sind; und
    wenn die sechs Stiftelemente zu ihrer vorgefahrenen Position hin angetrieben werden, werden drei Stiftelemente von mindestens einer der ersten Gruppe von Stiftelementen und der zweiten Gruppe von Stiftelementen durch drei der kreisbogenförmigen Einführungsöffnungen (37) geführt.
  8. Schiebeverriegelungsvorrichtung für eine Maschinenpresse nach Anspruch 1, wobei ein erstes Detektionsmittel (41), das die Zustände detektiert, wenn die Stiftelemente (16) sich in ihrer zurückgefahrenen Position befinden, und ein zweites Detektionsmittel (42), das die Zustände detektiert, wenn die Stiftelemente (16) sich in ihrer vorgefahrenen Position befinden, bereitgestellt sind.
  9. Schiebeverriegelungsvorrichtung für eine Maschinenpresse nach Anspruch 1, wobei der Stoppereingreifabschnitt (18, 18A) durch einen vorstehenden Abschnitt (50) ausgebildet ist, der um eine vorbestimmte Länge von der Flanschoberfläche (12g) des Flanschabschnitts (12b) zu den Haltelöchern (15) hin vorsteht, und die Einführungsöffnungen (19, 19A) durch Einführungsabstände (51) ausgebildet sind, die zwischen benachbarten Paaren von Abschnitten definiert sind, die weiter zu den Haltelöchern hin vorstehen als die Flanschoberfläche (12g).
  10. Schiebeverriegelungsvorrichtung für eine Maschinenpresse nach Anspruch 1 oder 9, wobei der gegenüberstehende Wandabschnitt (26) des Hauptkörperelements (14) weiter zum Hauptrahmen (3) hin angeordnet ist als der Flanschabschnitt (12b).
EP12881543.8A 2012-07-24 2012-07-24 Verriegelungsschiebervorrichtung für eine maschinenpresse Not-in-force EP2878438B1 (de)

Applications Claiming Priority (1)

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PCT/JP2012/068674 WO2014016898A1 (ja) 2012-07-24 2012-07-24 プレス機械のスライドロック装置

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EP2878438A1 EP2878438A1 (de) 2015-06-03
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EP2878438B1 true EP2878438B1 (de) 2017-07-05

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JP (1) JP5944002B2 (de)
KR (1) KR101947744B1 (de)
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BR (1) BR112014032039B1 (de)
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Publication number Priority date Publication date Assignee Title
EP2955010B1 (de) * 2013-02-08 2019-11-13 Pascal Engineering Corporation Verriegelungsschiebervorrichtung für eine pressmaschine
US10486386B2 (en) * 2014-12-02 2019-11-26 Pascal Engineering Corporation Slide lock device for press machine
CN107030977B (zh) * 2016-11-22 2023-06-06 嘉兴信元精密模具科技有限公司 一种装有多针旋转抽芯的注塑模具

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2185551A (en) * 1938-10-27 1940-01-02 Glasner Safety locking mechanism for presses and the like
JPH071200A (ja) * 1993-06-21 1995-01-06 Takehiko Komori プレスにおけるクラッチ装置
US5845751A (en) * 1996-07-01 1998-12-08 Chant; William Safety locking device
JP3532057B2 (ja) * 1997-02-07 2004-05-31 日立造船株式会社 トランスファプレスのスライド落下防止装置
JP3769864B2 (ja) * 1997-03-27 2006-04-26 株式会社豊田自動織機 産業車輌のブレーキ装置
JP3922609B2 (ja) * 1998-03-05 2007-05-30 パスカルエンジニアリング株式会社 プレス機械のスライドロック装置
JP4806276B2 (ja) * 2006-03-14 2011-11-02 株式会社小松製作所 スライドのロック装置およびこれを備えたプレス機械
JP5215787B2 (ja) * 2008-09-11 2013-06-19 酒井重工業株式会社 ハンドガイドローラのブレーキ装置
JP2010264783A (ja) * 2009-05-12 2010-11-25 Gkn Driveline Japan Ltd 駆動モータ用動力伝達装置
CN101716828A (zh) * 2009-12-11 2010-06-02 奇瑞汽车股份有限公司 一种机械压力机滑块锁紧机构

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BR112014032039A2 (pt) 2017-06-27
JP5944002B2 (ja) 2016-07-05
KR20150036589A (ko) 2015-04-07
BR112014032039B1 (pt) 2022-03-15
ES2638540T3 (es) 2017-10-23
WO2014016898A1 (ja) 2014-01-30
EP2878438A1 (de) 2015-06-03
CN104487237A (zh) 2015-04-01
CN104487237B (zh) 2016-07-06
JPWO2014016898A1 (ja) 2016-07-07
KR101947744B1 (ko) 2019-02-13

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