Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
  • B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
  • B23Q7/16—Loading work on to conveyors; Arranging work on conveyors, e.g. varying spacing between individual workpieces
  • B23Q7/18—Orienting work on conveyors

Definitions

• the present invention relates to a device for determining the position of a workpiece added to a forging press or the like, and particularly to a device for determining a position in a rotation direction about the axis of a cylindrical workpiece. This is related to a device for determining the position of a peak. Background technology
• a reference feature for example, a projection is formed on the outer peripheral surface of the cylindrical workpiece, and the projection is removed.
• the perk feeds the work into the press or the like while positioning the work in the rotation direction around the axis of the work with the perforated feeder, It is possible to carry them into a press or the like after being aligned in the rack, so that the position of the cylindrical workpiece in the rotational direction can be easily determined.
• the position of the above-mentioned cylindrical work piece with respect to the rotational direction around the axis of the work piece may be used.
• the operator since the indexing work cannot be performed, the operator is required to position the workpiece in the rotation direction around the axis of the workpiece.
• the indexing must be subjectively judged and supplied to the press, etc., which has led to problems such as not only poor work efficiency, but also uneven peak application. .
• An object of the present invention is to provide a device for position determination of a work mark in which position determination with respect to a center rotation direction is easily performed. Disclosure of the invention
• a peak position indexing device is characterized in that at least one of the end faces has a circular-shaped peak in which a concave portion that is anisotropic with respect to a rotational direction about an axis is formed. This index is used to determine the position in the direction of rotation about the axis, and is disposed opposite to each other at predetermined intervals so as to grip both end faces of the work, and is synchronized with each other.
• Positioned at a fixed position without rotating together Is, ⁇ from the fixed position of the Wa over click By engaging with the anisotropic concave portion formed on the surface, the position index in the rotation direction about the axis of the workpiece is determined based on the engaged position. Means.
• FIG. 1 is an overall configuration diagram of a press device to which a work position indexing device according to the present invention is applied.
• Figure 2 is a sectional view of the upper unit.
• Fig. 3 is a sectional view of the lower unit.
• FIG. 4 is a top view of a work for performing position indexing in the position indexing device according to the present invention.
• FIG. 1 is a conceptual diagram of a main part of a forging press device equipped with a work position indexing device according to the present invention.
• This forging press device is the head 1 of the forging press body 1. a mold 2 provided above a, and a slide 3 provided above the bead 1 a and provided to be movable in the vertical direction, and is attached to the lower surface of the slide 3.
• the mold 5 is positioned on the dies of the mold 4 and the mold 2 installed on the head 1a, and the molds 2 and 4 are moved closer to the movement of the slide 3 to make the mold 5 close.
• the press is configured to operate. '
• reference numeral 6 denotes a material separating device provided on the work carry-in side of the press body 1, and the material separating device 6 is continuously connected via a shot 6a.
• the falling cylindrical peaks 5 are separated one by one, and the separated peaks 5 are clamped by the fingers 7 a provided on the feeder 7, and the present invention is applied in a substantially vertical state.
• the position indexing device concerned is to be carried into the main unit 8.
• the position indexing device body 8 has an upper unit Q in FIG. 2 shown in an enlarged sectional view of a main part and a lower unit in FIG. 3 shown in an enlarged sectional view in a main part. It consists of unit 1 1.
• the upper unit 10 moves in the transport direction of the work piece 5 as shown in FIGS. 1 and 2.
• An upper cylinder 14 is located above the feed line.
• the ash cylinder 14 is composed of an outer cylinder 14a and an inner cylinder 14b movably arranged in the outer cylinder 14a in a vertical direction. Then, outside the inner cylinder 14 b A pressure chamber is provided on the peripheral surface, and the pressure chamber is divided into an upper chamber 141 and a lower chamber 142 according to the water 14c.
• a support member 15 is removably mounted on the lower surface of the inner cylinder 14 b via a clamp 16.
• the supporting member 15 has a cylindrical shape, and an upper pressing member 17 for pressing the upper part of the work piece 5 is rotatably supported on the outer peripheral portion on the lower end side.
• a pinion 17a is formed on the outer peripheral surface of the upper pressing member 17 so as to be compatible with the rack 18.
• the upper pushing member 17 is configured to rotate through the pinion 17a to be placed on the tooth 8 in FIG.
• the pinion 17a and the rack 18 constitute a rotating means.
• a push 19 serving as a bearing is interposed between P of the inner peripheral surface of the upper pressing member 17 and the outer peripheral surface of the support member 5.
• An upper pad 17 b is fixed to the lower surface of the upper pressing member 17.
• an indexing pin 20 having a head portion 20a protruding from the lower surface of the pad 17b and having a tapered tip is provided in the vertical direction. It is slidably housed and has a pair of index pins 20 The upper surface of the rotatably supported seat plate 22 is positioned at a position where it comes into contact with the lower surface of the large diameter portion 23 a of the guide rod 23 provided in the inner cylinder 14 b. .
• the guide 23 described above is composed of a large-diameter portion 23a and a small-diameter portion 23b, and the large-diameter portion 23a is an inner cylinder 14b.
• the small-diameter portion 23b is slidably disposed vertically along a guide push 24 provided on the upper portion of the inner cylinder 14b.
• the seat 25 that contacts above the large diameter portion 23a of the guide 23 and the seat 26 that contacts below the guide push 24 Is provided with a compression spring 27 for urging the guide # 23 downward.
• reference numeral 28 denotes a stopper for restricting the lowering of the guide rod 23.
• the lower unit 11 of the position indexing device body 8 is composed of an outer cylinder 30a and an inner cylinder 30b as shown in FIG.
• the outer cylinder 30a is attached to the press body 1 side.
• a piston 30c protruding from the outer periphery of the inner cylinder 30b divides the inside of the outer cylinder 30a into an upper room 30 ⁇ and a lower room 302 so that the air can enter and exit.
• the inner cylinder 30 b descends with the piston 30 c, and enters and exits the air chamber 30 e to the lower chamber 302.
• the inner cylinder 30b rises together with the piston 30c when the air is supplied.
• a rotating shaft 32 is supported along with a bearing 31.
• An upper end 32 of the rotating shaft 32 is provided with a rotating shaft 32.
• the lower pressing member 33 that supports the lower surface of the workpiece 5 from below is detachably attached to the clamp repeller 34.
• this peak 5 has a concave portion formed on the upper surface thereof, which is anisotropic with respect to the rotation direction of the peak about the axis.
• the concave portion of the embodiment has a large-diameter hole 5a into which the lower part of the support member 15 of the position indexing device described above is fitted, and a circumferential surface of the large-diameter hole 5a, and in the circumferential direction. It is composed of a plurality of small-diameter holes 5b formed by pitches of isoleum along it.
• a pole is used as the cylindrical work piece 5 having a concave portion that is anisotropic with respect to the rotation direction of the work piece around the center of the axis. Materials such as speed jot are available.
• the workpiece 5 that has been continuously dropped through the shoot 6a is fed to the material separating device 6 after being moved one by one. Is clamped by the finger 7a, and is indexed while standing and transported to the device body 8. Is done.
• the position indexing device main body 8 has the cylinder upper chamber 14 of the upper unit 10 shown in FIG. 2 and the lower city shown in FIG. Supply air to the cylinder lower chamber 302 of the unit 11 and lower and raise the inner cylinders 14 b and 30 b of the unit 11. Clamp the upper and lower ends of the work 5 in the direction.
• the position in the rotation direction is indexed according to the operation described in detail below.
• the inner cylinder 4b of the upper unit 10 descends, first, as shown in FIG. 2, the lower part of the support member 15 is moved to the large-diameter hole 5 of the work 5 shown in FIG.
• the indexing is performed by inserting the head 20a of the indexing pin 20 into the small-diameter hole 5b.
• the support member 15 When the lower part of the support member 15 is inserted into the large-diameter hole 5a of the work piece 5 and the head 20a of the index pin 20 is inserted into the small-diameter hole 5b, the support member 15 With reference to the position where the pin 20 is inserted, the shape of the recess formed in each of the workpieces 5 is arranged in the same ancestor, and accordingly, the position allocation with respect to the rotation direction around the axis of the workpiece 5 The output will be performed.
• the index pin 20 does not enter the small-diameter hole 5b, and thus comes into contact with the upper surface of the peak 5.
• the index pin 20 comes into contact with the upper surface of the workpiece 5
• the extension pin 20 Since the extension pin 20 is pushed upward, the guide rod 23 rises against the compression pin 27 by the index pin 20.
• the springs of the coil springs 40 which are arranged in four places in the circumferential direction of the support member 15, correspond.
• the clamped state is maintained between the upper pushing member 17 and the lower pushing member 33 of 11.
• the mark 5 rotates and the small-diameter hole 5b reaches the index pin 20.
• the head 20a of the index pin 20 drops into the small-diameter hole 5b.
• the rotation stops, so that the position is indexed in the direction of rotation about the axis of the workpiece 5 as described above.
• the position index with respect to the rotation direction about the axis is provided on the outer peripheral surface of the curved circle-shaped peak. Even if there are no projections that serve as a reference, the upper surface of the work piece uses the anisotropic recess formed on the lower surface to adjust the axis of the cylindrical work piece. Since the indexing of the position in the center rotation direction is more accurate and easier than the conventional artificial indexing, the position indexing work efficiency can be greatly improved, and the production This can significantly improve the performance.
• the entire apparatus is compact because it has a simple configuration consisting of upper and lower units, it can be easily incorporated into a part of the work transfer device to easily transfer and position the work. It can also be automated.
• the peak position indexing device has a cylindrical peak position with no protrusion on the outer peripheral surface which serves as a reference for position indexing in the rotational direction.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Forging (AREA)
• Jigs For Machine Tools (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=16055620

Family Applications (1)

Country Status (2)

Cited By (3)

Citations (2)

• 1987
  • 1987-11-26 JP JP17884287U patent/JPH0543962Y2/ja not_active Expired - Lifetime
• 1988
  • 1988-11-25 WO PCT/JP1988/001192 patent/WO1989004734A1/ja unknown

Patent Citations (2)

Also Published As

Similar Documents

Legal Events