WO2005039801A1 - プレス機械のワーク搬送装置 - Google Patents
プレス機械のワーク搬送装置 Download PDFInfo
- Publication number
- WO2005039801A1 WO2005039801A1 PCT/JP2004/015739 JP2004015739W WO2005039801A1 WO 2005039801 A1 WO2005039801 A1 WO 2005039801A1 JP 2004015739 W JP2004015739 W JP 2004015739W WO 2005039801 A1 WO2005039801 A1 WO 2005039801A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- feed
- work
- transfer device
- lift
- work transfer
- Prior art date
Links
- 238000003825 pressing Methods 0.000 title abstract description 6
- 238000012546 transfer Methods 0.000 claims abstract description 232
- 239000000969 carrier Substances 0.000 claims abstract description 51
- 230000007246 mechanism Effects 0.000 claims description 141
- 238000000034 method Methods 0.000 claims description 24
- 230000008569 process Effects 0.000 claims description 23
- 230000033001 locomotion Effects 0.000 description 52
- 238000012545 processing Methods 0.000 description 41
- 238000011144 upstream manufacturing Methods 0.000 description 32
- 238000004519 manufacturing process Methods 0.000 description 15
- 238000003754 machining Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- 238000009434 installation Methods 0.000 description 8
- 230000001965 increasing effect Effects 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 238000011143 downstream manufacturing Methods 0.000 description 3
- 238000009420 retrofitting Methods 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 241000920340 Pion Species 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 241000135194 Pione Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 244000145845 chattering Species 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Classifications
-
- 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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
- B21D43/05—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work specially adapted for multi-stage presses
- B21D43/055—Devices comprising a pair of longitudinally and laterally movable parallel transfer bars
Definitions
- the present invention relates to a work transfer device for a press machine.
- Fig. 27 shows a transfer press 100, which is a conventional press, in which four pillar-shaped uprights 121 are erected on a bed 123 located below a press frame 110, and a crown is placed on the upper surface of the apply 121.
- the crown 120 has a built-in slide driving device, and drives a slide 122 located below the crown 120 to move up and down.
- the upper mold 112 is attached to the lower surface of the slide 122.
- a lower mold 113 is provided on the upper surface of the moving bin bolster 130 facing the slide 122, and the work is press-formed by the cooperation of the upper mold 112 and the lower mold 113.
- a pair of left and right transfer bars 114, 114 extend in parallel with the upper mold 112 and the lower mold 113 therebetween.
- the pair of transfer bars 114, 114 are provided with fingers (not shown) for holding the work, and the transfer bars 114, 114 are reciprocated in the feed direction, the lift direction, and the clamp direction as appropriate.
- the feed direction is parallel to the work transfer direction, and the movement in the feed direction includes an advance (movement from upstream to downstream) and a return (movement from downstream to upstream).
- the lift direction is a vertical direction, and the movement in the lift direction includes a lift (movement from bottom to top) and a down (movement from top to bottom).
- the clamping direction is a direction orthogonal to the feeding direction (a direction perpendicular to the paper surface of FIG. 27), and the movement in the clamping direction includes the movement of the clamp (the movement for narrowing the interval between the trans-fibers 114) and the movement of the unclamping. (Movement to increase the interval between transfer bars 114).
- the transfer bar 114 sequentially transfers the workpiece onto the lower mold 113 on the downstream side by repeating clamping, lifting, advance, down, unclamping, and returning.
- a feed drive unit 115 for moving the transfer bar 114 in the feed direction is fixed to the upstream or downstream side surface of the press frame 110.
- the clamp drive unit 116 for moving the transfer bar 114 in the clamp direction and the lift drive unit 117 for moving the transfer bar 114 in the lift direction are provided between the two uprights 121 on the upstream side and the downstream side, and the bed 123. It is installed above.
- the feed cam, the clamp cam, and the lift force are respectively rotated by rotational power taken out from the press body, and the transfer bar 114 is fed by these cams. It is driven in the three-dimensional direction, direction, clamp direction and lift direction.
- the feed drive unit 115, the clamp drive unit 116, and the lift drive unit 117 driven by the servo motor are configured as follows.
- the feed drive unit 115 is provided with a ball screw mechanism driven by the first servomotor, and reciprocates the transfer bar 114 in the feed direction.
- the clamp drive unit 116 is provided with a ball screw mechanism using a second servomotor as a drive source, reciprocates the transfer bar 114 in the clamp direction, and the lift drive unit 117 uses a third servomotor as the drive source.
- the transfer bar 114 is reciprocated in the lift direction.
- Patent Document 1 there is a type in which a feed operation, a clamp operation, and a lift operation of a feed bar are all performed by a linear motor.
- the feed bar is suspended from a bracket fixed to the press body.
- bra A linear motor is provided between the bracket and the feed bar, and the feed bar moves in the feed direction with respect to the bracket to perform the operation in the feed direction.
- the clamp operation and the lift operation are respectively driven by linear motors provided on the lower surface of the feed bar.
- a first bracket is provided on a fixed bar so as to be lifted by a linear motor, and a second bracket is provided on the first bracket so as to be clamped by a linear motor.
- a third bracket having a work holder on the second bracket is provided so as to perform a feed operation by a linear motor.
- Patent Document 3 a pair of lift beams provided in parallel with the workpiece transfer direction and movably up and down, and a linear motor provided on each lift beam along the lift beam longitudinal direction.
- a work holding means which is laid between a pair of opposing sub-carriers and a movable carrier, a sub-carrier movably provided by a linear motor in a carrier moving direction along a guide provided on the carrier.
- Some include a crossbar provided with a crossbar.
- a lift operation is performed by moving a lift beam by a servomotor.
- the feed operation is performed by moving the carrier and the subcarrier in the feed direction by the linear motor.
- Patent Document 1 JP-A-10-314871 (page 4, FIG. 5)
- Patent Document 2 JP-A-11-104759 (pages 2-3, FIGS. 3 and 4)
- Patent Document 3 JP-A-2003-205330 (Page 5, FIG. 5)
- a feed box having a built-in feed drive unit 115 is installed on the side of the press body, and a lift drive unit 117 is provided between the left and right applicators 121. Since the lift box and the clamp box with the built-in clamp drive unit 116 are provided, the structure of the drive mechanism is complicated and the manufacturing cost is increased.
- the feed box with the built-in feed drive unit 115 also provides a The large projections hinder the installation of the material supply device or the work unloading device, and also require a large installation space as a press line.
- Patent Document 3 can increase the movable range in the feed direction, but requires a carrier movably provided by a linear motor and a subcarrier movably provided by a linear motor. For this reason, the number of linear motors for feeding the workpiece increases, which complicates the structure and increases the manufacturing cost. As described above, the effect of the simplification of the structure is not sufficient even with the servo motor drive and other countermeasures, and there is a high demand for simplification of the structure and cost reduction.
- the present invention has been made in view of the above problems, and has as its object to provide a work transfer device of a press machine capable of simplifying the structure.
- a first invention of the present invention provides a work transfer device for a press machine, comprising: a frame arranged on both sides of a mover bolster in the work transfer direction; A pair of bars arranged in parallel, a feed carrier supported by the bars, a feed drive mechanism provided on the bar and driving the feed carrier in the work transfer direction, and a feed drive mechanism provided on the frame and lifting the pair of bars A lift drive mechanism that drives up and down by driving in the direction, a clamp drive mechanism that is provided on the frame and drives a pair of bars in a clamp direction that is orthogonal to the workpiece transfer direction, and is attached to and detached from the feed carrier A work holder that is freely provided and holds the work.
- a second invention is characterized in that, in the work transfer device for a press machine according to the first invention, the feed drive mechanism includes a linear motor.
- a third invention is characterized in that in the work transfer device for a press machine according to the first invention, the feed drive mechanism includes a servomotor.
- a work carrier for a plurality of steps is detachably provided on the feed carrier. It is characterized by having.
- the pair of bars includes a fixed bar supported by a lift drive mechanism or a clamp drive mechanism. And a movable bar that can also be removed with a fixed bar force.
- a sixth invention provides a work transfer device for a press machine, comprising: a pair of bars supported by frames arranged on both sides of the mover bolster in the work transfer direction and arranged in parallel with the work transfer direction; A feed carrier supported on the bar, a feed drive mechanism provided on the bar and for driving the feed carrier in the work transfer direction, a base supported on the feed carrier, and a base provided on the feed carrier; A lift drive mechanism for driving the lift in the lift direction to move the lift up and down, and a work holder which is detachably provided on the base and holds the work.
- a seventh invention is the work transfer device for a press machine according to the sixth invention, further comprising a clamp drive mechanism provided on the feed carrier and for driving the base in a clamp direction orthogonal to the work transfer direction. It is characterized by the following.
- An eighth invention is characterized in that in the work transfer device for a press machine according to the sixth invention or the seventh invention, at least one of the feed drive mechanism and the lift drive mechanism includes a linear motor.
- the clamp driving mechanism includes a linear motor.
- a tenth invention is directed to the work transfer device for a press machine according to the sixth or seventh invention, wherein at least one of the feed drive mechanism and the lift drive mechanism includes a servomotor. It is characterized by.
- An eleventh invention is characterized in that, in the work transfer device for a press machine of the seventh invention, the clamp drive mechanism includes a servomotor.
- a work holder for a plurality of steps is detachably provided on the base. It is characterized by.
- a thirteenth invention is characterized in that the work transfer device for a press machine according to any one of the sixth invention to the twelfth invention, further comprises a bar interval adjusting device for adjusting an interval between the pair of bars.
- a fourteenth invention is characterized in that, in the work transfer device for a press machine according to any one of the sixth invention to the thirteenth invention, the pair of bars are configured to be capable of removing a frame force.
- a plurality of feed carriers are supported on the bar, and each of the feed carriers is independently provided. It is characterized in that the movement can be controlled.
- a plurality of feed carriers are supported on the bar, and adjacent feed carriers are connected by connecting means. It is characterized by having been done.
- the pair of bars are driven in the lift direction and the clamp direction by the lift drive mechanism and the clamp drive mechanism, respectively.
- the feed carrier supported by the bar is driven in the feed direction on the bar by the feed drive mechanism.
- the work transfer device of the press machine moves the work holder three-dimensionally. The movement of the work holder in the feed direction that requires a long stroke is performed by a feed drive mechanism provided directly on the bar.
- the feed drive mechanism requiring a long stroke since the feed drive mechanism requiring a long stroke is installed on the bar, the feed drive mechanism requiring a long stroke can be compactly provided in the press body. This eliminates the need for a feed device (feed box) that was previously provided to protrude downstream (or upstream) of the press body in order to move the bar itself in the feed direction, thereby reducing the size of the entire press machine. .
- a small capacity feed drive mechanism can be employed.
- the structure of the work transfer device can be simplified.
- the feed direction refers to a direction parallel to the work transfer direction.
- the lift direction refers to a direction perpendicular to a plane including the pair of bars.
- the clamp direction is a direction that is horizontally orthogonal to the workpiece transfer direction, and is a direction in which a pair of bars approach and separate from each other.
- the feed drive mechanism is disposed on the bar when the feed drive mechanism is directly mounted on the bar, or indirectly via a member mounted on the bar. It does not matter if it is done.
- the feed drive mechanism since the feed drive mechanism includes the linear motor, non-contact movement is possible, and since there is no rotating portion, the durability of the work transfer device is improved, and In addition, noise during driving is reduced.
- a linear motor since a linear motor is used, the space for installing the feed drive mechanism is small, and high-speed conveyance and high-precision positioning can be performed. Also, since the linear motor has no rotating parts and a small number of parts, the feed drive mechanism can be made lighter and smaller.
- the feed drive mechanism includes the servomotor, the cost of the feed drive mechanism is reduced, and the power transmission mechanism includes a ball screw mechanism, a rack and a pinion mechanism, and the like.
- a normal mechanism can be adopted, and maintenance and adjustment of the work transfer device and the press machine become easy.
- the fourth aspect since one work carrier is provided with the work holders for a plurality of steps, for example, in a transfer press having a plurality of processing steps, the number of feed carriers can be reduced. Therefore, cost reduction is promoted. This also further simplifies the structure and control.
- the bar since the bar includes the fixed bar and the moving bar! /,
- the moving bar is configured to be detachable from the frame. Therefore, when the mold is replaced, the moving bar can be removed and moved outside the work transfer area. This facilitates the mold replacement operation.
- the feed carrier is driven by the feed driving mechanism, and moves in the work transfer direction with respect to the pair of bars.
- the base is driven by a lift drive mechanism and moves in the lift direction with respect to the feed carrier.
- the feed carrier moves in the work transfer direction with respect to the bar, the movable range of the feed carrier in the work transfer direction is widened. Further, since the moving distance in the normal lift direction is smaller than the moving distance in the peak transport direction, the length of the feed carrier in the lift direction becomes smaller. Therefore, the feed carrier is configured to be small and light, and a small-capacity feed drive mechanism and lift drive mechanism can be adopted, and these feed drive mechanism and lift drive mechanism can be arranged on the bar and on the feed carrier. Become.
- a feed box having a built-in feed drive unit is not required, so that the press body force feed box does not protrude, and the entire press machine becomes compact. Since the feed box does not protrude, it is possible to arrange a work unloading device or the like near the press machine. In addition, a lift box with a built-in lift drive unit, which was conventionally installed between the upright and the feed box, is not required, and the structure of the work transfer device is simplified.
- the lift direction refers to a direction perpendicular to a plane including the pair of bars.
- the feed drive mechanism is disposed on the bar when the feed drive mechanism is directly disposed by being attached to the bar, or when the feed drive mechanism is disposed indirectly via a member attached to the bar. In any case.
- the lift drive mechanism is disposed on the feed carrier, for example, when the lift drive mechanism is directly mounted on the feed carrier, or indirectly via a member mounted on the feed carrier. It does not matter whether it is arranged in a way.
- the clamp driving mechanism for driving the base is provided, so that the base moves in the clamping direction. Therefore, the work transfer device, together with the feed drive mechanism and the lift drive mechanism, can perform three-dimensional movement in the feed, lift, and clamp directions. Can be moved. This makes it possible to respond to a wider variety of press processes and improves versatility.
- clamp direction refers to a direction that is orthogonal to the work transport direction and that is a direction in which a pair of bars approach and separate from each other.
- the feed drive mechanism and the lift drive mechanism includes the linear motor, non-contact movement is possible, and the workpiece has no rotating part.
- the durability of the transfer device is improved, and noise during driving is reduced.
- a linear motor is used, the installation space is small, and high-speed conveyance and high-precision positioning can be performed.
- the clamp drive mechanism since the clamp drive mechanism includes the linear motor, the non-contact movement is possible, and the clamp drive mechanism has no rotating part. Noise is reduced. Also, since a linear motor is used, the installation space is small, and high-speed conveyance and high-precision positioning are possible.
- At least one of the feed drive mechanism and the lift drive mechanism includes the servomotor, so that the cost of the feed drive mechanism and the Z or lift drive mechanism is reduced, and
- a normal mechanism such as a ball screw mechanism, a rack and a pione mechanism can be adopted as the power transmission mechanism, and maintenance and adjustment of the work transfer device and the press machine are facilitated.
- the clamp drive mechanism includes the servomotor, the cost of the clamp drive mechanism is reduced, and the power transmission mechanism is provided with a normal mechanism such as a ball screw mechanism, a rack, and a pinion mechanism.
- a mechanism can be adopted, and maintenance and adjustment of the work transfer device and the press machine become easy.
- the feed carrier and the carrier are moved together with the feed carrier. Since the number of lift carriers and clamp carriers to be performed can be reduced, cost reduction is promoted. This also simplifies the structure and control.
- the bar interval adjusting device is provided according to the mold.
- One interval can be set optimally.
- the work transfer device has a clamp drive mechanism, it is not necessary to take into account the distance between bars in the maximum travel distance (maximum clamp amount) when determining the maximum travel distance of the clamp drive mechanism.
- the maximum moving distance of the clamp drive mechanism can be kept short. This makes it possible to reduce the weight of the base.
- the bar spacing can be automatically widened by the bar spacing adjusting device. The replacement work is further facilitated.
- the bar is configured so that the frame force can also be removed, the bar is removed and mounted on the Mubinda bolster when the mold is replaced, and together with the Mubinda bolster, the work transfer area is removed. Can be moved outward. This also facilitates replacement of the work holder, and facilitates die replacement.
- each setting such as the movement distance of each feed carrier and the movement timing can be freely set in accordance with the mold. Can be set to Therefore, it is possible to flexibly cope with various pressing processes, and versatility is improved.
- the feed speed can be set arbitrarily for each feed carrier and for the feed stroke and feed position, optimal feed motion can be obtained for each die in each processing step, and high-speed operation of the press machine is possible. At the same time, feed errors are reduced and production efficiency is increased.
- the connecting means since the adjacent feed carriers are connected by the connecting means, when one feed carrier is driven, the plurality of feed carriers connected by the connecting means are simultaneously driven in the work transfer direction. Is done. Therefore, it is not necessary to provide a feed drive mechanism in all feed carriers, the number of components of the feed drive mechanism is reduced, cost reduction is promoted, and the structure and control are further simplified.
- FIG. 1 is a front view of a press machine according to a first embodiment of the present invention.
- FIG. 2 is a perspective view of a work transfer device according to a first embodiment of the present invention.
- FIG. 3 is a perspective view showing a feed carrier according to a first embodiment of the present invention.
- FIG. 4 is a sectional view taken along line AA of FIG. 3.
- FIG. 5 is a perspective view showing a work holder according to the first embodiment of the present invention.
- FIG. 6 is a view showing a modification of the work holder of the present invention.
- FIG. 7 is a view showing another modification of the work holder of the present invention.
- FIG. 8 is a perspective view showing a lift drive mechanism and a clamp drive mechanism according to the first embodiment of the present invention.
- FIG. 9 is a view showing a motion of the work holder according to the first embodiment of the present invention.
- FIG. 10 is a top view of the work transfer device according to the first embodiment of the present invention.
- FIG. 11 is a top view of the work transfer device according to the first embodiment of the present invention.
- FIG. 12 is a top view of the work transfer device according to the first embodiment of the present invention.
- FIG. 13 is a perspective view showing a work transfer device according to a second embodiment of the present invention.
- FIG. 14 is a perspective view showing a part of a work transfer device according to a third embodiment of the present invention.
- FIG. 15 is a front view showing a modification of the work transfer device of the present invention.
- FIG. 16 is a front view showing a press according to a fourth embodiment of the present invention.
- FIG. 17 is a perspective view showing a work transfer device according to a fourth embodiment of the present invention.
- FIG. 18 is an enlarged perspective view of a part of a work transfer device according to a fourth embodiment of the present invention.
- FIG. 19 is a sectional view taken along line AA of FIG. 17.
- FIG. 20 is a view on arrow B of FIG. 19.
- FIG. 21 is a view on arrow C in FIG. 19.
- FIG. 22 is a perspective view showing a part of a work transfer device according to a fifth embodiment of the present invention.
- FIG. 23 is a perspective view showing a work transfer device according to a sixth embodiment of the present invention.
- FIG. 24 is a perspective view showing a work transfer device according to a seventh embodiment of the present invention.
- FIG. 25 is a view showing a motion of a work holder according to a seventh embodiment of the present invention.
- FIG. 26 is a perspective view showing a modification of the work transfer device of the press machine of the present invention.
- FIG. 27 is a front view showing a conventional press machine.
- FIG. 1 is a front view of a transfer press (press machine) 1 according to a first embodiment of the present invention.
- FIG. 2 is a perspective view of a transfer feeder (work transfer device) 41.
- the transfer press 1 is composed of a press body 1A consisting of a bed 23, an upright 21, a crown 20, and a slide 22, a mold 11 having an upper mold 12 and a lower mold 13, and a Movindabolus. And a transfer feeder 41.
- a general-purpose robot 7 for unloading the work is installed downstream of the transfer press 1.
- a bed 23 serving as a base of the transfer press 1 is provided below the floor (FL), and a feed direction (a direction parallel to the transfer direction of the work 2) and a clamp direction (a feed direction) are provided on an upper surface of the bed 23.
- a plurality of uprights 21 are opposed to each other in a direction perpendicular to the horizontal direction, that is, a direction perpendicular to the paper surface in FIG.
- a crown 20 having a slide drive device is supported on the above-mentioned abright 21. Below the crown 20, a slide 22 which can be raised and lowered by the slide drive device is suspended. I have.
- upper dies 12 corresponding to a plurality of press forming processes are sequentially and detachably provided along the feed direction.
- a moving bolster 30 is provided on the upper surface of the bed 23, and a lower mold 13 paired with the plurality of upper dies 12 is disposed on the upper surface of the bed 23 so as to be detachably attached to the upper dies 12. Have been.
- the moving bolster 30 will be described below.
- the moving bolster 30 is provided so as to be able to carry in and out of the upper surface of the bed 23 in order to exchange the processed mold 11 (the upper mold 12 and the lower mold 13) with the mold 11 to be used next. I have.
- a rail (not shown) is laid on the floor and the bed 23, and the moving bolster 30 is provided with a drive device capable of running on the rail by itself.
- the moving bolster 30 When the moving bolster 30 is self-propelled by this driving device, the moving bolster 30 passes in a clamping direction between a pair of uprights 21 erected in parallel in the workpiece transfer direction, and moves in the transfer press 1 (or outside the transfer press 1). It is carried out (or carried in) from.
- two sets of the Mobinda bolster 30 are prepared, and in order to quickly set up the dies 11 according to the work model, moving of one of the sets on which the used dies 11 are placed is performed.
- the bolster 30 is automatically exchanged in advance with the other set of the moving bolster 30 in which the mold 11 to be used next is installed outside the transfer press 1 in advance.
- transfer feeders 41 are provided on the left and right with respect to the work transfer direction.
- a pair of bars 14 a feed carrier 52 provided on the bar 14 so as to be movable in the feed direction, a feed linear motor (feed drive mechanism) 53 for moving the feed carrier 52 in the feed direction, and a bar 14.
- a lift 'clamp device (lift drive mechanism and clamp drive mechanism) 80 for moving in the vertical direction (the direction orthogonal to the feed direction and the clamp direction, the lift direction) and the clamp direction.
- the pair of bars 14 are disposed at a predetermined interval in parallel with each other in the feed direction, and each of the bars 14 is fixed to the lift 'clamp device 80.
- the moving bar 142 is detachable from the moving bar 141.
- a frame 33A is provided (only the upstream frame 33A in FIG. 2). Are shown).
- a lift'clamp device 80 is provided on these frames 33A.
- a plurality of pairs of feed carriers 52 and a feed linear motor 53 for moving each of the feed carriers 52 in the feed direction are mounted on the pair of moving bars 142, respectively.
- FIG. 3 shows an enlarged perspective view of the feed carrier 52.
- FIG. 4 is a sectional view taken along line AA of FIG.
- a linear guide 57 is laid on the inner side surface of the pair of opposing bars 14 (the surface on which the pair of bars 14 opposes).
- the linear guide 57 includes a linear guide rail 57A arranged in the feed direction along the side surface of the bar 14, and a linear guide holder 57B fixed to the feed carrier 52.
- feed rails 51, 51 similar to the linear guide 57 are provided on the outer side surface of the bar 14.
- the feed carrier 52 is movably held in the feed direction by the linear guide 57 and the feed rails 51, 51.
- the feed linear motor 53 is provided between the pair of feed rails 51, 51 as a fixed portion laid in the feed direction along the outer side surface of the bar 14 (the surface on which the pair of bars 14 are separated from each other). It is composed of a magnet plate 54 provided and a coil plate 55 as a moving portion opposed to the magnet plate 54 and fixed to the feed carrier 52 side via a connecting member. When an electric current is applied so that a moving magnetic field is generated in the coil plate 55, the coil plate 55 moves due to the force attracted and repelled by the magnet plate 54. And feed carrier 52 together with coil plate 55 Is moved, whereby the feed carrier 52 is caused to perform a feed operation.
- the feed linear motors 53 are provided on the respective feed carriers 52. Therefore, each of the plurality of feed carriers 52 is provided so as to be independently movable in the feed direction, and each of them is configured to be independently movable. Te ru.
- the linear guide 57 is provided on the inner side surface of the bar 14, and the feed linear motor 53 is provided on the outer side surface of the bar 14. , May be provided on any of the inner side surface, the outer side surface, the upper surface, and the lower surface of the bar 14. Further, the linear guide 57 and the feed linear motor 53 may be provided on the same surface of the bar 14.
- each work holding means can obtain only a feed motion common to each processing step. Therefore, mold design is not only costly, such as the degree of freedom and the number of mold types is increased, but also it is not possible to operate presses corresponding to various molds at high speed, and it is difficult to improve productivity. Was.
- the pitch between the dies (work feed stroke) must be set according to the dies corresponding to the workpiece with the largest dimension, the entire press is unnecessarily large and the equipment cost is increased.
- a plurality of feed carriers 52 are provided on the bar 14 in the feed direction, and each is controlled by a controller (not shown) to enable independent optimal motion.
- the work transfer distance can be set arbitrarily for each feed carrier 52, and the optimum feed stroke of the work 2 can be set according to the size of the mold 11 in each process, so the mold design flexibility is increased.
- the optimal die design for the process becomes possible.
- the feed stroke can be set arbitrarily for each feed carrier 52, and the feed speed corresponding to the feed position can be set, so that the optimal feed motion can be obtained for each die 11 in each process, and the transfer press 1 can operate at high speed. And feed errors are reduced, increasing production efficiency.
- the feed linear motor 53 having no rotating parts and a small number of parts is employed.
- the weight and size can be reduced, and the manufacturing cost of the feed drive mechanism can be reduced.
- the feed linear motor 53 is small and lightweight, the bar 14 can be prevented from chattering during starting, stopping and inching, and the transfer feeder 41 as a whole can be operated at higher speed and with higher positioning accuracy. As a result, high-speed operation of the transfer press 1 becomes possible.
- the chatter of the bar 14 is suppressed, noise at the time of driving can be reduced, the working environment can be improved, and the durability of each part of the transfer feeder 41 can be improved. As a result, the maintainability of the transfer press 1 is improved and the life of the transfer press 1 is extended.
- the feed carrier 52 is provided with a finger (work holder) 76 for holding the work 2 so as to protrude toward the opposing bar 14 so as to be detachable by a mounting bracket 76A.
- FIG. 5 shows a perspective view of the finger 76.
- the feed carrier 52 is provided with a plurality of (two in this embodiment) fingers 76, not shown! With the finger 76, two workpieces 2 (see FIG. 3) can be held at the same time.
- one feed carrier 52 is provided with a plurality of fingers 76 (for a plurality of processes) and is configured to be able to hold a plurality of workpieces 2, the number of feed linear motors 53 to be installed can be reduced.
- the structure of the transfer feeder 41 can be simplified, and the manufacturing cost can be reduced.
- the work holder for holding the work 2 is a force using the finger 76 for placing the work 2 while positioning it.
- the work holder is not limited to this.
- the work holder is as shown in FIG.
- a gripper 77 for gripping the work 2 may be used.
- a vacuum cup 79 that sucks and holds the work 2 may be used.
- the feed carrier 52 is provided with the fingers 76 for holding the work 2 for two processes. Even if the number of the force fingers 76 to be installed is one for the mold, It may be more than three steps. Further, the number of fingers 76 to be installed is not limited to two for one work 2 and may be one or three or more.
- the magnet plate of the linear motor may be the fixed side
- the coil plate may be the force described in the moving side
- the magnet plate may be the moving side
- the coil plate may be the fixed side
- FIG. 8 shows a perspective view of the lift 'clamp device 80.
- the lift 'clamp device 80 is provided on the upstream frame 33A, and includes a lift device (lift drive mechanism) 81 and a clamp device (clamp drive mechanism) 91. .
- the lift 'clamp devices 80 are connected to the fixed bars 141 at the end of each bar 14 (two in total).
- the lift device 81 has two lift bars 83, 83 each having an upper end attached to the bar 14 and a cam follower 83A at the lower end capable of moving in the clamping direction. And a lift carrier 82 that can move up and down in the vertical direction (vertical direction, lift direction). A nut 85 is fixed to the lift carrier 82. Further, a lift drive motor 84 for rotating the screw 86 to lift the lift carrier 82 together with the nut 85 screwed to the screw 86 is provided. In addition, lift balancers 87, 87 are attached to the ends in the clamp direction of the lift carrier 82 in order to smoothly move the lift carrier 82 and to balance the weight of the bar 14, the lift carrier 82, and the like. Have been.
- the clamp device 91 includes a clamp carrier 92 provided between two lift bars 83, 83, a linear guide 93 for guiding the clamp carrier 92 movably in the clamp direction, and a clamp carrier 92 in the clamp direction. , A clamp drive motor 94, a screw 96, and a nut 95.
- the linear guide 93 includes a linear guide rail laid on the upper surface of the frame 33A in the clamping direction and a linear guide holder fixed on the lower surface of the clamp carrier 92.
- the clamp carrier 92 is provided so as to be movable up and down with respect to the lift bar 83, and is also provided so as to be movable in the clamping direction by the linear guide 93.
- a screw 96 is connected to the clamp drive motor 94, and the screw 96 is arranged in the clamp direction and penetrates through the clamp carrier 92.
- Clamp carrier A nut 95 is fixed to the nut 92, and a screw 96 is screwed to the nut 95.
- the clamp drive motor 94 is driven, the screw 96 rotates, and the clamp carrier 92 to which the nut 95 is fixed moves in the clamp direction.
- the cam follower 83A moves while rolling with respect to the lift carrier 82, and the lift bar 83 moves in the clamp direction. This movement causes the bar 14 to move in the clamp direction.
- the pair of bars 14 are configured to move in opposite directions. That is, the pair of bars 14 is configured to move in a direction approaching or apart from each other.
- FIG. 9 shows the motion of the finger 76 according to the first embodiment.
- the work 2 is loaded and placed on a work receiving table (not shown) at a peak carry-in position of the bar 14 (upstream end position of the bar 14) by a transfer device such as a general-purpose robot (not shown).
- a transfer device such as a general-purpose robot (not shown).
- the bar 14 is in the down position (bar 14 lower end, lift stroke lower end) and in the unclamp position (bar separation, crank stroke separation end).
- the clamp device 91 is driven to move the bars 14 in a direction approaching each other, the feed carrier 52 moves together with the bar 14 to the clamping position (bar approaching, clamp stroke approaching end), and the work 2 on the work receiving table is fed. It is placed on fingers 76 attached to carrier 52.
- the feed carrier 52 is moved from the down position to the lift position with the operation of the bar 14. (Lift stroke rise end).
- the upstream feed carrier 52 is independently controlled and driven by the feed linear motor 53, the feed carrier 52 is moved in the first processing step of the press-molding carrole (in FIG. 1, the left end capping step of the slide 22). Feed to position.
- the work 2 placed on the finger 76 is also transferred (forwardly transferred) to the transfer press 1 by the external force of the transfer press 1.
- the plurality of feed carriers 52 are not limited to those that are independently controlled and driven, and may be those that are synchronously controlled and all perform the same operation.
- the lift device 81 is driven to move the bar 14 down to the down position, and the work for the first processing step of the press forming force is performed. Work 2 is set on lower mold 13.
- the transfer of the work 2 to the next processing step and the processing are performed by the transfer of the work by the transfer feeder 41 described above, and the transfer of the work to the first processing step position of the press forming force and the first processing step.
- the transfer force of the press forming force in the first processing step by the transfer feeder 41 is also the same as the transfer of the work to the second processing step position, and the forming force of the work 2 in the second processing step is as described above.
- the transfer feeder 41 presses the second pressurizing step of the press forming force, the work transfer to the third processing step position, and the molding of the work 2 in the third processing step in the same manner as described above. Done.
- the work 2 is transferred to the most downstream position of the press forming force by the transfer feeder 41.
- the downstream position is also transferred to the work receiving table at the work unloading position of the bar 14 (bar rear end position).
- the molded work 2 carried out to the work receiving table at the work carry-out position is carried out of the press by the general-purpose robot 7.
- the transfer feeder 41 of the present invention includes the feed return movement that reciprocates the feed carrier 52 on the bar 14 in the work transfer direction, and the lift movement that lifts the bar 14 (lift). ) And a clamp 'unclamping movement that reciprocates the bar 14 in a direction perpendicular to the workpiece transfer direction. Then, the work holder (finger 76) held by the feed carrier 52 is moved in the feeding direction, the lifting direction, and the closing direction. The workpiece 2 is sequentially transferred from the upper side of the lower mold 13 (left direction in FIG. 1) to the downstream side (right direction of FIG. 1) lower mold 13 by appropriately reciprocating in the ramp direction.
- FIG. 10 shows a feed carrier 52 when the work 2 is carried in from the work receiving table (not shown) at the work carry-in position to the most upstream processing step (the first processing step in the present embodiment) of the transfer press 1.
- FIG. 3 is a top view of the transfer press 1 showing the position of FIG.
- the uppermost finger 76 is a bolster mounted on the Movinda bolster 30 in plan view of the transfer press 1 (the state shown in FIG. 10 and the state seen from the direction perpendicular to the plane of FIG. 10).
- the uppermost finger 76 is located upstream of the downstream ends of the two uprights 21 on the upstream side.
- This position is a position in the work loading idle process.
- the most downstream finger 76 is located in the most downstream processing step (the fifth processing step in the present embodiment).
- the material (work 2) to which the external force of the transfer press 1 is also supplied is placed on the finger 76 at the most upstream position, and the other fingers 76 have The work 2 after the completion of each processing step is placed.
- each feed carrier 52 is moved in the feed direction, and each peak 2 is transferred to the next processing step.
- FIG. 11 shows the transfer press 1 showing the position of the feed carrier 52 when unloading the work 2 to the work receiving table (not shown) at the work unloading position.
- each feed carrier 52 is in a state where the work 2 has been transported and moved to the position of the previous processing step (shown by a two-dot chain line in FIG. 11).
- the most upstream finger 76 is located in the most upstream processing step.
- the most downstream finger 76 is located outside the bolster 31 and is located at a position protruding from the bolster 31 and the moving bolster 30. At this time, the most downstream finger 76 is located downstream of the upstream ends of the two uprights 21 on the downstream side.
- This position is a position in the work transfer idle process.
- the general-purpose robot and the material stack can be installed adjacent to the press, a factory layout with a sufficient margin can be provided, and the cost can be reduced.
- restrictions on the design of the material input device are reduced, and an optimum structure can be obtained.
- the conventional feed device moves a long and heavy bar at a high speed, so that the drive device must have a high output and a high rigidity and must be a large and expensive feed device.
- the feed linear motor 53 is provided on the bar 14, a small drive output can be achieved with only a small and lightweight object to be driven. Therefore, the transfer feeder 41 can be reduced in size, can be manufactured at low cost, and can save energy. Is obtained. Further, the speed of the entire transfer feeder 41 and the position accuracy can be improved, and the productivity can be improved.
- each finger 76 is also replaced in accordance with the mold. Therefore, it is necessary to put the fingers 76 and 76 together with the bar 14 on the moving bin bolster 30 and move the fingers 76 and 76 to the outside of the work transfer area force.
- the bar 14 is supported by the lift'clamping device 80 provided on the frame 33A, it prevents the bar 14 from being carried out.
- the moving bar 142 of the bar 14 is separated from the fixed bar 141 and removed.
- a bar support (not shown) with a lifting device is installed outside the bar 14, and as shown in FIG. 12, the divided bar 14 (moving bar 142) is mounted. To support.
- the bar cradle may be provided with a means for moving the moving bar 142 in the clamping direction.
- the die is transferred to the moving bolster 30 by exchanging the die outside the press body.
- the bar interval is widened, and the mold replacement work can be easily performed.
- the feed carrier 52 When the feed carrier 52 is located at a position where the feed carrier 52 interferes with the upstream or downstream upright 21 at the time of mold replacement, the feed carrier 52 is moved to the optimum position (as shown in FIG.
- the end force of the feed carrier 52 may be individually moved in advance to a position accommodated in the space between the upstream and downstream uprights 21).
- the feed carrier 52 and the fingers 76 attached to the feed carrier 52 can be quickly carried out of the machine while avoiding interference with the upright 21. Therefore, the operation time of the ADC (automatic die change) can be reduced, and the machine operation rate can be improved.
- the transfer feeder 41A of the second embodiment has a force only at a point where a plurality of feed carriers 52 connected to each other are moved by a single linear motor 53A for feed horizontally provided on the bar 14. It is different from the transfer feeder 41 in the form.
- FIG. 13 is a perspective view of a transfer feeder 41A according to the second embodiment of the present invention.
- one end of the bar 14 is fixed.
- a moving member 58 is provided on the fixed bar 141, and the moving member 58 is guided movably in the feed direction by a linear guide 57 disposed between the moving member 58 and the upper surface of the bar 14.
- the feed driving mechanism of the present invention is configured to include the moving member 58, the linear guide 57, and the feed linear motor 53A.
- the linear guide 57 is provided on the fixed bar 141 at the upstream end of the bar 14, and is laid in parallel with the longitudinal direction (feed direction) of the bar 14; A linear guide holder 57B attached to the lower surface of the moving member 58 for traveling on the rail 57A is provided.
- the feed linear motor 53A includes a magnet plate 54A provided on the fixed bar 141 and laid in parallel with the linear guide 57, and a coil plate 55A attached to the lower surface of the moving member 58.
- a connecting means 56 for connecting the plurality of feed carriers 52 is provided on a surface of the moving member 58 corresponding to the outer side surface of the bar 14.
- the connecting means 56 is provided between the moving member 58 and the most upstream feed carrier 52 and between the adjacent feed carriers 52.
- the plurality of feed carriers 52 are connected to the moving member 58 while being connected to each other by these connecting means 56, and the mutual interval between the feed carriers 52 is adjusted to a predetermined work transfer pitch by the connecting means 56.
- each feed carrier 52 has a linear guide rail 59A laid on the bar 14 along the longitudinal direction thereof, and a linear guide holder 59B attached to the lower surface of the feed carrier 52 for traveling on the rail. Are guided so as to be movable in the feed direction.
- the configuration of the device other than the feed driving mechanism described above is the same as that of the first embodiment, and a description thereof will not be repeated.
- the moving member 58 is moved in the feed direction by the feed linear motor 53A. Then, the plurality of feed carriers 52 move at the same time while maintaining a predetermined interval from each other.
- the bar 14 is divided into a moving bar 142 and a fixed bar 141. So Therefore, a coupling device is provided in the divided portion.
- the connecting device 56 is also provided with a connecting device near the connecting device of the bar 14, and the connecting device 56 is also divided into a moving portion and a fixed portion, like the bar 14, at the time of mold replacement.
- connection means 56 is provided between the adjacent feed carriers 52.
- the feed linear motor 53 A may be one bar 14.
- the feed drive mechanism has a simple structure with a small number of parts and can be made small and lightweight, so that the feed drive output is small, energy saving is possible, and the manufacturing cost can be reduced.
- the same components as those described in the first embodiment and the second embodiment are denoted by the same reference numerals, and description thereof will be omitted.
- the third embodiment is different from the first embodiment in that the feed carrier 52 of the first embodiment is driven by a servomotor.
- FIG. 14 is a perspective view showing a part of the transfer feeder 41B according to the third embodiment.
- a pair of bars 14AA is provided in parallel with the work transfer direction, and a feed carrier 52B is provided as a pair of feed rails 51 on the upper surface of the bar 14AA.
- a plurality of them are provided on the upper side, and each is arranged so as to be independently movable. It should be noted that one feed carrier 52B is shown in FIG. 14, and any number may be provided as needed.
- the feed carrier 52B is driven by a feed servomotor (feed drive mechanism) 53B provided on the bar 14AA to perform a feed operation.
- a ball screw 54B chain-driven by the feed servo motor 53B is provided on the bar 14AA, and when the ball screw 54B rotates, a ball nut (not shown) provided on the feed carrier 52B moves, and the feed carrier 52B moves with the ball nut. .
- the feed carrier 52B performs a feed operation.
- Feed carrier 52B is driven by feed servo motor 53B, so feed drive Since the cost of the mechanism can be reduced and a ball screw mechanism can be used for the power transmission mechanism, maintenance and adjustment of the transfer feeder 41B and the transfer press 1 can be facilitated. Note that a mechanism such as a mechanism using a rack and a pin may be adopted as a power transmission mechanism of the feed servo motor 53B.
- the general-purpose robot is described as an example in which the general-purpose robot is installed downstream of the press and used for unloading.
- the general-purpose robot is installed upstream of the press machine and used for loading a workpiece.
- the frame 33A may be provided above the bar 14 between the uprights 21 as shown in FIG. In this case, since the bar 14 is suspended, the feed carrier 52 is configured to be supported on the lower surface of the bar 14. By arranging the frame 33A above in this way, the visibility inside the transfer press 1 is improved.
- FIG. 16 is a front view of a transfer press (press machine) 1 including a work transfer device according to a fourth embodiment of the present invention.
- FIG. 17 is a perspective view of a transfer feeder 41C that is a work transfer device.
- FIG. 18 is an enlarged perspective view of a part of the transfer feeder 41C. 19 to 21 show partially enlarged views of the transfer feeder 41C.
- the same components as those described in the third embodiment and the third embodiment are denoted by the same reference numerals, and description thereof is omitted.
- FIG. 16 four pillar-shaped uprights 21 are erected on a bed 23 located at the lower part of the press frame 10 of the transfer press 1, and the crane 20 is provided on the upper surface of the uprights 21. Is installed.
- the crown 20 has a built-in slide driving device for driving a slide 22 located below the crown 20 up and down.
- the upper die 12 is attached to the lower surface of the slide 22.
- a lower mold 13 is provided on the upper surface of the moving bolster 30 facing the slide 22, and the work is press-formed by the cooperation of the upper mold 12 and the lower mold 13.
- a pair of left and right bars 14B, 14B extend in parallel with the work transfer direction with the upper mold 12 and the lower mold 13 interposed therebetween.
- Upstream frame 33A and a downstream frame 33B are installed on the bed 23 between the gates 21 along a direction orthogonal to the workpiece transfer direction.
- two pairs of moving rails 42 are provided in parallel with each other along a direction orthogonal to the work transfer direction, and are provided below both ends of the bars 14B, 14B.
- the supports 47A, 47B, 47C, 47D are movably arranged on the moving rail 42. From this, the bars 14B, 14B are supported by the frames 33A, 33B located on both sides of the moving bolster 30 across the moving bolster 30, and can be moved in a direction perpendicular to the workpiece transfer direction.
- a rack 43 is provided in the vicinity of the moving rail 42 on the front side in parallel with the moving rail 42, and is combined with pinions 43P, 43P force racks 43, 43 provided on the supports 47A, 47B, respectively.
- the supports 47A, 47B are provided with interlocking racks 34A, 34A parallel to the moving rails 42 toward the opposing supports 47C, 47D, respectively, and the interlocking pions 35 are disposed substantially at the center of the frames 33A, 33B. , 35
- the support racks 47C and 47D are also attached to the support racks 47A and 47B, respectively.
- interlocking racks 34B, 34B are combined with interlocking pinions 35, 35.
- the book provided with the interlocking racks 34A, 34B and the interlocking pin 35 can adjust the distance between the pair of bars 14B, 14B by the bar 14B on the near side and the bar 14B on the back side in FIG.
- the bar interval adjusting device 40 of the present invention is configured. By adjusting the interval between the bars 14B, 14B according to the mold by the bar interval adjusting device 40, it is possible to flexibly cope with various press workings, so that the versatility of the transfer press 1 can be improved.
- a pair of feed rails 51, 51 are provided on the upper surfaces of the bars 14B, 14B, respectively, and a plurality of feed rails 51, 51 are provided on the pair of feed rails 51, 51, respectively.
- a number of feed carriers 52C are movably arranged.
- the number of the feed carriers 52C is three.
- the number may be one, two, or four or more as necessary.
- the feed carrier 52C is driven by a feed linear motor (feed drive mechanism) 53C (see FIG. 19) to perform a feed operation.
- the feed operation refers to an operation in which the feed carrier 52C moves in the feed direction.
- the feed direction refers to a direction parallel to the work transfer direction.
- FIG. 19 shows a sectional view taken along line AA of FIG.
- the feed linear motor 53C has a magnet plate 54C provided between a pair of feed rails 51, 51 as a fixed portion, and a magnet provided on a lower surface of the feed carrier 52C as a moving portion. And a coil plate 55C provided opposite to the plate 54C.
- the coil plate 55C moves due to the force of the magnet plate 54C being attracted and repelled.
- the feed carrier 52C is moved together with the coil plate 55C, so that the feed carrier 52C performs a feed operation.
- the feed linear motors 53C are provided on the plurality of feed carriers 52C, the feed carriers 52C independently move on the feed rails 51 and 51 in the feed direction independently. It is configured to be controllable.
- a pair of clamp rails 61, 61 are provided on the upper surface of the feed carrier 52C in a direction orthogonal to the feed rail 51, and a pair of clamp rails are provided.
- a clamp carrier 62 is movably arranged on the rails 61, 61.
- the clamp carrier 62 is driven by a linear motor for clamping (clamp drive mechanism) 63 (see FIG. 20) to perform a clamping operation.
- clamp operation refers to an operation in which the clamp carrier 62 moves along the clamp direction.
- the clamp direction refers to a direction that is horizontally orthogonal to the feed direction, and a direction in which a pair of opposed clamp carriers 62 approaches and separates.
- FIG. 20 shows a view on arrow B of FIG.
- the clamp linear motor 63 is provided between the pair of clamp rails 61, 61 as a fixed part.
- a coil plate 65 provided on the lower surface of the clamp carrier 62 so as to face the magnet plate 64 as a moving part.
- a pair of lift rails 71, 71 is provided in a vertical direction, and a lift carrier 72 is movably arranged on the pair of lift rails 71, 71.
- the lift carrier 72 is driven by a lift linear motor (lift drive mechanism) 73 (see FIG. 21) to perform a lift operation.
- the lift operation refers to an operation in which the lift carrier 72 moves in the lift direction.
- the lift direction refers to a direction orthogonal to the feed direction and the clamp direction, and refers to the direction in which the lift carrier 72 moves up and down.
- FIG. 21 shows a view on arrow C in FIG.
- the lift linear motor 73 includes a magnet plate 74 provided between a pair of lift rails 71, 71 as a fixed portion, and a lift carrier 72 as a movable portion.
- a coil plate 75 provided opposite to the magnet plate 74.
- the lift carrier 72 is provided with detachable fingers 76, 76 as work holders for holding the works 2, 2.
- detachable fingers 76, 76 are provided on the lift carrier 72, and the other opposing members (not shown) are provided by a clamping operation.
- the two workpieces 2 and 2 can be clamped at the same time by the two fingers 76 and 76 of the lift carrier 72.
- the fingers 76, 76 are installed on the lift carrier 72, and the lift carriers 72 are installed on the clamp carrier 62, so that the fingers 76, 76 move in the lift direction and the clamp direction.
- the lift carrier 72 and the clamp carrier 62 correspond to the base 50 in the present invention because they are movably provided.
- the feed linear motor 53C and the clamp linear motor 63 are provided.
- the number of lift linear motors 73 to be installed can be reduced, and the structure of the transfer feeder 41C can be simplified, and the manufacturing cost can be reduced.
- the work holder for holding the work 2 uses the finger 76 for placing the work 2 while positioning it.
- the present invention is not limited to this.
- the gripper 77 for gripping the work 2 may be used.
- the lift carrier 72 is provided with two fingers 76, 76. However, even if the number of fingers 76, 76 is one in accordance with the mold, There may be three or more.
- the other bar 14B is also provided with a feed carrier 52C, a clamp carrier 62, and a lift carrier 72, each of which is driven by a linear motor to perform a feed operation (the work transfer direction and the work transfer direction). Parallel movement), clamp operation (movement in the direction perpendicular to the feed direction) and lift operation (movement in the vertical direction).
- the magnet plate of each linear motor is the fixed side, the coil plate is the force described in the moving side.
- the magnet plate may be the moving side and the coil plate may be the fixed side.
- the work 2 is pressed in the first processing step, and the slide 22 starts to move upward.
- the lift carrier 72 to which the finger 76 is fixed is at the down position (the lower end of the lift stroke).
- the clamp carrier 62 supporting the lift carrier 72 is at the unclamping position (clamp stroke separated end).
- the clamp carrier 62 is driven by the linear motor 63 for clamping, the clamp carrier 62 is clamped to the unclamping position along the clamping rails 61, 61 to the clamping position (closer to the clamp stroke), and the first machining step is performed.
- the work 2 on the lower mold 13 is placed on the finger 76.
- the lift key is When the carrier 72 is driven, the lift carrier 72 is lifted from the down position to the lift position (the lift stroke rising end).
- the feed carrier 52C is driven by the feed linear motor 53C, the feed carrier 52 supporting the clamp carrier 62 is controlled and driven to perform a feed operation.
- the work 2 placed on the finger 76 is also transferred to the second machining step with the first machining step force.
- the slide 22 descends, and the upper mold 12 and the lower mold 13 attached to the lower surface thereof are moved.
- the work 2 is sandwiched between the two, and pressurized to perform the pressing force in the predetermined second kneading process.
- the transfer feeder 41C of the fourth embodiment includes a feed carrier 52C movable on the bars 14B, 14B in the feed direction, and a clamp movable on the feed carrier 52C in the clamp direction.
- a carrier 62 and a lift carrier 72 that is movable on the clamp carrier 62 in the lift direction are provided.
- Each of the carriers is driven by a linear motor to reciprocate in the feed direction. It performs three-dimensional movements: clamp and unclamping movements that reciprocate in the direction of orthogonal clamping, and lifting and lowering movements (lift and down movements) that reciprocate up and down.
- the work 2 held by the lift carrier 72 is reciprocated as appropriate in the feed direction, the lift direction, and the clamp direction, thereby moving the work 2 from the upper side of the lower mold 13 (left direction in FIG. 16) to the downstream side. It is sequentially transferred onto the lower mold 13 on the side (rightward in FIG. 16).
- the feed carrier 52C is provided so as to be movable on the bars 14B, 14B. Therefore, the object to be driven by the feed driving mechanism can be small. Therefore, unlike the conventional case, the feed drive mechanism can be made smaller, and a feed box having a built-in feed drive unit is not required. Therefore, the side force of the press body does not protrude, and the entire transfer press 1 becomes compact. Since the feed box does not protrude, it becomes possible to arrange a work unloading device or the like near the transfer brace 1.
- each finger 76 is also replaced in accordance with the mold. Therefore, it is necessary to move the fingers 76, 76 together with the bars 14B, 14B on the moving bin bolster 30 and move outward from the work transfer area.
- the bars 14B, 14B themselves can pass through the uprights 21 and move out of the peak transport area, but are connected to the upstream and downstream of the bars 14B, 14B, and have a V-bar interval adjusting device. Since the bar 40B is installed on the frames 33A, 33B between the upstream upright 21 and the downstream upright 21, the bar 40 prevents the bars 14B, 14B from being carried out.
- the bars 14B, 14B and the bar interval adjusting device 40 including the drive shaft are configured to be separable, and the bars 14B, 14B are separated from the bar interval adjusting device 40 when the mold is replaced. That is, in the first embodiment, the bars 14B, 14B are configured to be detachable from the bar interval adjusting device 40, so that the fixed bar fixed to the bar interval adjusting device 40 is separated from the fixed bar. And a movable bar. Thus, the bars 14B, 14B can be removed from the frames 33A, 33B.
- a bar receiver 48 with an elevating device is installed on the moving bolster 30 as shown in FIG. 17, and therefore, as shown in FIG.
- the platform 48 supports the divided bars 14B, 14B.
- the bar support 48 is provided with a means for moving the bars 14B, 14B in the clamping direction.
- the bar interval is widened so that the mold changing operation can be easily performed.
- FIG. 22 is a perspective view showing a part of the transfer feeder 41D.
- the fifth embodiment is different from the fourth embodiment in that the feed carrier 52C, the clamp carrier 62, and the lift carrier 72 are servo-controlled. The difference is that the motor is driven by a motor.This point is described with reference to FIG. 22, and the other parts are the same as in the fourth embodiment, and are described in the fourth embodiment and the first to third embodiments. The same components as those described above are denoted by the same reference numerals and description thereof is omitted.
- the bar 14BA is provided in a pair parallel to the work transfer direction, as in the fourth embodiment, and the feed carrier 52D is provided as a pair of feed rails 51, 51 on the upper surface of the bar 14BA. A plurality of them are provided on the upper side, and each is arranged so as to be independently movable. Note that one feed carrier 52D is shown in FIG. 22, and any number may be provided as needed.
- the feed carrier 52D is driven by a feed servomotor (feed drive mechanism) 53D provided on the bar 14BA to perform a feed operation.
- a ball screw 54D chain-driven by the feed servomotor 53D is provided on the bar 14BA, and when the ball screw 54D rotates, a ball nut (not shown) provided on the feed carrier 52D moves, and the feed carrier 52D moves with the ball nut. .
- the feed carrier 52D performs a feed operation.
- a pair of clamping rails 61, 61 are provided on the upper surface of the feed carrier 52D in a direction perpendicular to the feed rail 51, and the clamp carrier 62A can move on the pair of clamping rails 61, 61. It is placed in!
- the clamp carrier 62A is driven by a clamping servomotor (clamp drive mechanism) 63A provided in the feed carrier 52D to perform a clamping operation.
- a ball screw 64A driven by a clamping servomotor 63A is provided on the feed carrier 52A, and when the ball screw 64A rotates, a ball nut (not shown) provided on the clamp carrier 62A moves. 62A moves. Thus, the clamp carrier 62A performs a clamping operation.
- a pair of lift rails 71, 71 is provided in the vertical direction on the rear surface of the L-shaped bracket 66A of the clamp carrier 62A in Fig. 22, and the lift carrier is provided on the pair of lift rails 71, 71.
- 72A is movably arranged.
- the lift carrier 72A is driven by a lift servomotor (lift drive mechanism) 73A to perform a lift operation.
- the lift servomotor 73A is connected to a gearbox 73G provided on the lift carrier 72A. Then, the ball screw 74A rotatably provided on the lift carrier 72A is driven. When the ball screw 74A rotates, a ball nut (not shown) provided on the lift carrier 72A moves, and the lift carrier 72A moves together with the ball nut. Thus, the lift carrier 72A performs the lift operation. Since the lift carrier 72A is provided with detachable fingers (not shown) as work holders for holding the work, the power of the first embodiment is the same as that of the fourth embodiment, and a description thereof will be omitted.
- the other bar (not shown) is provided with the same feed carrier, lift carrier, and clamp carrier as bar 14BA, and each is driven by a servo motor to perform a feed operation. , Lift operation, and clamp operation.
- the transfer feeder 41D includes the feed carrier 52D movable on the bar 14BA in the feed direction and the clamp carrier 62A movable on the feed carrier 52D in the clamp direction.
- a lift carrier 72A movable on the clamp carrier 62A in the lift direction are provided, each of which is driven by a servomotor to control a feed operation, a clamp operation, and a lift operation by a controller (not shown), respectively. It operates as a three-dimensional transfeeder. Then, the work 2 held by the lift carrier 72 is reciprocated as appropriate in the feed direction, the clamp direction, and the lift direction to move the work 2 from the lower mold 13 on the upstream side (left direction in FIG. 16) to the downstream side. It is sequentially transferred onto the lower mold 13 (to the right in FIG. 16).
- FIG. 23 is a perspective view showing a part of a transfer feeder 41E which is a work transfer device.
- the same components as those described in the fifth embodiment are denoted by the same reference numerals, and description thereof is omitted.
- the adjacent feed carriers 52C are connected by the connecting means 56A in the fourth embodiment.
- the plurality of feed carriers 52C are adjacent to each other.
- Feed carriers 52C are arranged at predetermined intervals. By doing so, all the feed carriers 52C supported by one bar 14 operate in conjunction with each other, so that it is not necessary to provide a feed drive mechanism for each of the feed carriers 52C.
- only the upstream feed carrier 52C is provided with a linear motor 53E as a feed drive mechanism!
- linear motors may be provided in all the feed carriers 52C, and the respective linear motors may be driven synchronously with each other!
- the operation of the transfer feeder 41E is the same as in the fourth embodiment, and a description thereof will not be repeated.
- FIG. 24 is a perspective view of a transfer feeder 41F which is a work transfer device.
- the same components as those described in the sixth embodiment are denoted by the same reference numerals, and description thereof is omitted.
- the clamping linear motor 63 is removed from the fourth embodiment, and the lift carrier 72 is supported by the feed carrier 52C.
- the crossbar 78 is provided between the lift carriers 72 forming the pair. It is suspended.
- the crossbar 78 is provided with a vacuum cup (work holder) 79 for sucking a work using negative pressure.
- the lift carrier 72 is held by the lift carrier 72 via the vacuum cup 79 and the S crossbar 78, and the lift carrier 72 is provided so as to be movable in the lift direction. Equivalent to 50A.
- the transfer feeder 41F of the seventh embodiment can perform a two-dimensional operation by the feed carrier 52C performing the feed movement and the lift carrier 72 performing the lift movement.
- the work is transferred to the first processing step and the second processing step.
- the case will be described as an example.
- the work 2 is pressed in the first processing step, and the slide 22 starts to move upward.
- the crossbar 78 installed on the lift carrier 72 is located at a standby position between the first processing step and the second processing step. In this standby position, the lift carrier 72 is located at the lift position (lift stroke rising end).
- the feed carrier 52C on which the lift carrier 72 is supported is controlled and driven to return to the first processing step.
- the crossbar 78 moves from the standby position to the first processing step.
- the lift carrier 72 is lowered to the down position (lift stroke lower end), and the vacuum cup 79 provided in the crossbar 78 sucks the workpiece 2 on the lower mold 13 in the first processing step.
- the slide 22 descends, and the upper mold 12 and the lower mold 13 attached to the lower surface of the slide 22 move.
- the work 2 is sandwiched in between and pressurized to perform a pressing force in a predetermined second kneading process.
- the transfer feeder 41F of the seventh embodiment is provided with the feed carrier 52C movable on the bar 14 in the feed direction and the lift carrier 72 movable on the feed carrier 52C in the lift direction.
- Each of them is driven by a linear motor and performs two-dimensional operations: a feed-return motion that reciprocates in the feed direction, and an elevating motion that reciprocates in the vertical direction.
- the crossbar 78 provided on the lift carrier 72 and the vacuum cup 79 provided on the crossbar 78 are appropriately moved in the feed direction and the lift direction.
- the workpiece 2 is sequentially transferred from above the lower mold 13 on the upstream side (left direction in FIG. 24) to the lower mold 13 on the downstream side (right direction in FIG. 24).
- the vacuum bar 79 serving as a work holder is provided on the cross bar 78. As shown in FIG. 26, the vacuum cup 79 is provided on the lift carrier 72. Good.
- the clamp linear motor 63 of the fourth embodiment is eliminated.
- the drive of the clamp linear motor 63 is stopped, and the crossbar is stopped.
- the 78 and the vacuum cup 79 may be moved two-dimensionally.
- each drive mechanism may be a linear motor or a servomotor.
- the feed may be driven by a linear motor
- the lift and the clamp may be driven by a servomotor to move the work holder
- at least one drive source may be a linear motor.
- the feed may be driven by a servomotor
- the clamp and the lift may be driven by a linear motor to move the work holder
- at least one drive mechanism may be a servomotor. That is, a linear motor or a servo motor may be used as necessary for the feed, clamp, and lift drive mechanisms.
- the work transfer device for a press machine of the present invention can also obtain an effect in retrofitting.
- Such a retrofit requires a long shutdown period of the operating production line, so the construction period is closed on New Year's holidays and long holidays on the plant, such as during the Bon holiday, but if the number of construction days is large, In addition, since the production processing line had to be stopped before and after the holidays, it was possible to satisfy user needs who did not want to stop the line for a long time.
- the feed carrier is provided movably on the bar, the drive target of the feed drive mechanism can be made small, so that the feed drive mechanism can be made small. Therefore, if retrofitting is performed using the work transfer device of the press machine of the present invention, the existing large-sized feed box is only removed, and no large-scale work for replacing and installing a new large-sized feed box is required. If the miniaturized feed device is assembled in advance together with the lift device and the clamp device, etc., and these are replaced at the same time, retrofitting work, which is relatively easy to perform, can be performed in a very short time.
- the processing line is not required to be stopped for a short period of time, it is not necessary to use a long-term factory vacation such as a New Year holiday or a Bon holiday to affect the production management of users. In other words, the time required for retrofit can be shortened, and the effect on the production efficiency of the user can be minimized.
- the present invention is not limited to this.
- the present invention has been particularly illustrated and described mainly with respect to a specific embodiment.
- the present invention is not limited to the above-described embodiment without departing from the technical idea and the scope of the object of the present invention.
- Those skilled in the art can make various modifications in the shape, material, quantity, and other detailed configurations.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112004002021T DE112004002021B4 (de) | 2003-10-23 | 2004-10-22 | Werkstücktragevorrichtung für eine Pressmaschine |
US10/576,673 US7690238B2 (en) | 2003-10-23 | 2004-10-22 | Work carrying device of pressing machine |
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003363110 | 2003-10-23 | ||
JP2003-363110 | 2003-10-23 | ||
JP2003368431 | 2003-10-29 | ||
JP2003-368431 | 2003-10-29 | ||
JP2004-308785 | 2004-10-22 | ||
JP2004-308786 | 2004-10-22 | ||
JP2004308785A JP2005153016A (ja) | 2003-10-29 | 2004-10-22 | プレス機械のワーク搬送装置 |
JP2004308786A JP4778698B2 (ja) | 2003-10-23 | 2004-10-22 | プレス機械のワーク搬送装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005039801A1 true WO2005039801A1 (ja) | 2005-05-06 |
Family
ID=34528110
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/015739 WO2005039801A1 (ja) | 2003-10-23 | 2004-10-22 | プレス機械のワーク搬送装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7690238B2 (ja) |
DE (1) | DE112004002021B4 (ja) |
WO (1) | WO2005039801A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112658667A (zh) * | 2020-12-31 | 2021-04-16 | 昆山富利瑞电子科技有限公司 | 一种电子血压计自动锁螺丝装置 |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5599619B2 (ja) * | 2010-01-27 | 2014-10-01 | 株式会社小松製作所 | トランスファバー |
JP2011194428A (ja) * | 2010-03-18 | 2011-10-06 | Aida Engineering Ltd | 搬送装置の破損防止機構およびそれを用いた搬送装置 |
CN102205378B (zh) * | 2011-02-28 | 2013-06-19 | 广东工业大学 | 一种圆片自动上料机构 |
US8925363B2 (en) * | 2012-10-17 | 2015-01-06 | Toyota Motor Engineering & Manufacturing North America, Inc. | Split idle station assemblies for transfer press assemblies |
DE102012110065A1 (de) * | 2012-10-22 | 2014-04-24 | Schuler Automation Gmbh & Co. Kg | Umformanlage |
EP2810724A1 (de) * | 2013-06-07 | 2014-12-10 | Güdel Group AG | Einrichtung und Verfahren zum Abtransport bearbeiteter Werkstücke von einer Produktionsanlage |
DE102014117026B3 (de) * | 2014-11-20 | 2015-12-03 | Strothmann Machines & Handling GmbH | Transfervorrichtung |
DE102015122796A1 (de) | 2015-12-23 | 2017-06-29 | Benteler Automobiltechnik Gmbh | Warmformlinie zur Herstellung warmumgeformter und pressgehärteter Stahlblechprodukte sowie Verfahren zu dessen Betreibung |
CN106077324B (zh) * | 2016-08-08 | 2018-10-23 | 重庆市奇龙工贸有限公司 | 一种自动冲压加工设备及其送料系统 |
JP6768499B2 (ja) * | 2016-12-28 | 2020-10-14 | コマツ産機株式会社 | プレス装置およびプレス装置の制御方法 |
US10427203B2 (en) * | 2017-03-10 | 2019-10-01 | Toyota Motor Engineering & Manufacturing North America, Inc. | Transfer press split idle station locking mechanism |
CN109500228A (zh) * | 2018-11-28 | 2019-03-22 | 杭州德意电器股份有限公司 | 一种油烟机的油杯成型装置 |
DE102019125205B4 (de) * | 2019-09-19 | 2021-07-29 | Johannes Hülshorst | Spindelpresse |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05200464A (ja) * | 1992-01-22 | 1993-08-10 | Aida Eng Ltd | フィードバーの取出装置 |
JPH0670933U (ja) * | 1993-03-15 | 1994-10-04 | アイダエンジニアリング株式会社 | トランスファフィード装置 |
JPH11221636A (ja) * | 1998-02-04 | 1999-08-17 | Komatsu Ltd | トランスファフィーダの安全装置 |
JP2002102964A (ja) * | 2000-10-03 | 2002-04-09 | Hitachi Zosen Fukui Corp | トランスファプレスのフィードバー駆動装置 |
JP2002307116A (ja) * | 2001-04-06 | 2002-10-22 | Komatsu Ltd | トランスファフィーダ |
JP2002346667A (ja) * | 2001-05-22 | 2002-12-03 | Komatsu Ltd | トランスファフィーダのワーク保持手段の交換方法およびその交換装置 |
JP2003290851A (ja) * | 2002-03-29 | 2003-10-14 | Komatsu Ltd | プレス機械のワーク搬送装置 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5626638A (en) | 1979-08-07 | 1981-03-14 | Hitachi Zosen Corp | Dividing method of feed bar |
US4540087A (en) * | 1982-08-19 | 1985-09-10 | Kabushiki Kaisha Komatsu Seisakusho | Three-dimensional work transfer apparatus |
JPS60136830U (ja) | 1984-02-20 | 1985-09-11 | 株式会社小松製作所 | トランスフア装置 |
JPH0730180Y2 (ja) | 1988-10-20 | 1995-07-12 | 株式会社小松製作所 | トランスファフィーダのフィンガ外段取装置 |
JPH06216444A (ja) | 1993-01-13 | 1994-08-05 | Okuma Mach Works Ltd | レーザ発振装置 |
US5632181A (en) * | 1995-02-23 | 1997-05-27 | Verson, A Division Of Allied Products Corporation | System and method for transferring a work piece in a multi-station press |
JP3767706B2 (ja) * | 1996-06-28 | 2006-04-19 | 株式会社小松製作所 | トランスファフィーダの制御方法 |
JPH10180377A (ja) | 1996-12-24 | 1998-07-07 | Yamada Dobby Co Ltd | トランスファー装置 |
JPH10314871A (ja) * | 1997-03-19 | 1998-12-02 | Fukui Kikai Kk | トランスファプレスのフィードバー駆動装置 |
JP3937521B2 (ja) | 1997-08-22 | 2007-06-27 | 石川島播磨重工業株式会社 | トランスファプレスのワーク搬送装置 |
JPH11104759A (ja) * | 1997-10-01 | 1999-04-20 | Aida Eng Ltd | トランスファフィーダ |
US6050124A (en) * | 1998-02-04 | 2000-04-18 | Komatsu Ltd. | Transfer feeder having two different drive modes and method of its operation |
JP2002126838A (ja) | 2000-10-20 | 2002-05-08 | Hitachi Zosen Fukui Corp | トランスファプレスのトランスファ装置 |
JP3902012B2 (ja) * | 2002-01-15 | 2007-04-04 | 株式会社小松製作所 | プレスのワーク搬送装置 |
-
2004
- 2004-10-22 DE DE112004002021T patent/DE112004002021B4/de not_active Expired - Lifetime
- 2004-10-22 US US10/576,673 patent/US7690238B2/en active Active
- 2004-10-22 WO PCT/JP2004/015739 patent/WO2005039801A1/ja active Application Filing
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05200464A (ja) * | 1992-01-22 | 1993-08-10 | Aida Eng Ltd | フィードバーの取出装置 |
JPH0670933U (ja) * | 1993-03-15 | 1994-10-04 | アイダエンジニアリング株式会社 | トランスファフィード装置 |
JPH11221636A (ja) * | 1998-02-04 | 1999-08-17 | Komatsu Ltd | トランスファフィーダの安全装置 |
JP2002102964A (ja) * | 2000-10-03 | 2002-04-09 | Hitachi Zosen Fukui Corp | トランスファプレスのフィードバー駆動装置 |
JP2002307116A (ja) * | 2001-04-06 | 2002-10-22 | Komatsu Ltd | トランスファフィーダ |
JP2002346667A (ja) * | 2001-05-22 | 2002-12-03 | Komatsu Ltd | トランスファフィーダのワーク保持手段の交換方法およびその交換装置 |
JP2003290851A (ja) * | 2002-03-29 | 2003-10-14 | Komatsu Ltd | プレス機械のワーク搬送装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112658667A (zh) * | 2020-12-31 | 2021-04-16 | 昆山富利瑞电子科技有限公司 | 一种电子血压计自动锁螺丝装置 |
CN112658667B (zh) * | 2020-12-31 | 2024-05-14 | 昆山富利瑞电子科技有限公司 | 一种电子血压计自动锁螺丝装置 |
Also Published As
Publication number | Publication date |
---|---|
DE112004002021T5 (de) | 2006-10-05 |
US7690238B2 (en) | 2010-04-06 |
US20080034988A1 (en) | 2008-02-14 |
DE112004002021B4 (de) | 2009-05-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4603981B2 (ja) | プレス機械のワーク搬送装置 | |
JP5271413B2 (ja) | プレス機械のワーク搬送装置およびワーク搬送ユニット | |
WO2005039801A1 (ja) | プレス機械のワーク搬送装置 | |
JP7360538B2 (ja) | 材料を自動供給排出する5軸縦型加工システム | |
WO2021082702A1 (zh) | 一种转盘式烫印机 | |
JP4302828B2 (ja) | プレス装置 | |
CN100429017C (zh) | 压力机械的工件搬送装置 | |
US6701769B2 (en) | Transfer feeder | |
JP2004106012A (ja) | トランスファープレスのワーク搬送装置 | |
JP4604013B2 (ja) | プレス機械のワーク搬送装置 | |
WO2006006538A1 (ja) | プレス機械のワーク搬送装置 | |
JP2005153016A (ja) | プレス機械のワーク搬送装置 | |
JP4778698B2 (ja) | プレス機械のワーク搬送装置 | |
CN215207212U (zh) | 一种自动上下料的加工设备 | |
JP2708918B2 (ja) | 一連の加工ステーションを通して加工物を移送するためのシステム | |
WO1994021404A1 (en) | Transfer feeder | |
WO2017022334A1 (ja) | ワーク搬送装置 | |
KR101957309B1 (ko) | 지그재그 형태의 프레스 모듈 시스템 | |
KR101957313B1 (ko) | 프레스모듈 | |
CN211310155U (zh) | 一种生产气门座圈用整齐叠放装置 | |
JP3821334B2 (ja) | トランスファフィーダの駆動方法 | |
CN114701207A (zh) | 一种多工位纸浆模塑餐盒生产系统 | |
CN120155774A (zh) | 一种吊杆自动加工设备 | |
JP2004261829A (ja) | プレス機械におけるワーク搬送装置 | |
CN118357724A (zh) | 一种刀片电池壳精切机 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 200480031076.5 Country of ref document: CN |
|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 1120040020212 Country of ref document: DE |
|
RET | De translation (de og part 6b) |
Ref document number: 112004002021 Country of ref document: DE Date of ref document: 20061005 Kind code of ref document: P |
|
WWE | Wipo information: entry into national phase |
Ref document number: 112004002021 Country of ref document: DE |
|
122 | Ep: pct application non-entry in european phase | ||
WWE | Wipo information: entry into national phase |
Ref document number: 10576673 Country of ref document: US |
|
REG | Reference to national code |
Ref country code: DE Ref legal event code: 8607 |
|
WWP | Wipo information: published in national office |
Ref document number: 10576673 Country of ref document: US |
|
REG | Reference to national code |
Ref country code: DE Ref legal event code: 8607 |