EP1304181A1 - Dispositif pour l' avancement pas à pas d' une pièce en forme de bande - Google Patents

Dispositif pour l' avancement pas à pas d' une pièce en forme de bande Download PDF

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Publication number
EP1304181A1
EP1304181A1 EP01124281A EP01124281A EP1304181A1 EP 1304181 A1 EP1304181 A1 EP 1304181A1 EP 01124281 A EP01124281 A EP 01124281A EP 01124281 A EP01124281 A EP 01124281A EP 1304181 A1 EP1304181 A1 EP 1304181A1
Authority
EP
European Patent Office
Prior art keywords
rocker
feed
drive
feed roller
shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP01124281A
Other languages
German (de)
English (en)
Other versions
EP1304181B1 (fr
Inventor
Oskar Eigenmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bruderer AG
Original Assignee
Bruderer AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bruderer AG filed Critical Bruderer AG
Priority to EP01124281A priority Critical patent/EP1304181B1/fr
Priority to DE50114475T priority patent/DE50114475D1/de
Priority to AT01124281T priority patent/ATE413243T1/de
Priority to US10/223,595 priority patent/US6662988B2/en
Priority to SG200205515A priority patent/SG98495A1/en
Priority to JP2002281192A priority patent/JP3945576B2/ja
Publication of EP1304181A1 publication Critical patent/EP1304181A1/fr
Application granted granted Critical
Publication of EP1304181B1 publication Critical patent/EP1304181B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B21D43/08—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by rollers
    • B21D43/09—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by rollers by one or more pairs of rollers for feeding sheet or strip material

Definitions

  • the present invention relates to a device for the gradual advancement of a band-shaped Workpiece.
  • Such devices are, for example for a gradual advancement of a metal band in a press, commonly referred to as a punch press, is used, in which punch press tools for processing the metal strip, for example stamping, embossing, bending, Rivets etc. are installed.
  • the gradual advancement of the band-shaped The workpiece can be operated using linearly oscillating pliers or rotatingly oscillating or intermittently rotating Feed rollers take place.
  • bands with different Width for example, in the range from 20 mm to 450 mm processed and two simultaneously arranged side by side Bands.
  • the invention will remedy this.
  • the invention as characterized in the claims is, solves the task of a device for gradual advancement of a band-shaped workpiece to create, by means of which, if necessary, by a Twin arrangement of the same, band-shaped workpieces with different widths and also two band-shaped workpieces can be advanced at the same time.
  • the advantages of the invention are above all to be seen in that the device alone for advancing of band-shaped workpieces of different Width can be used, but also in a twin arrangement two such arranged facing each other Devices for parallel advancement of two side by side arranged band-shaped workpieces applied and that a twin arrangement is also possible in which the two devices are considerable Have a distance from each other, so very wide band-shaped workpieces can be advanced.
  • the feed device shown in Figures 1 and 2 has a frame 1. As part of 1 are a first, lower feed roller 2 and a second, upper feed roller 3 arranged.
  • the first feed roller 2 is rotatably and immovably arranged in the frame 1.
  • the second feed roller 3 is slidably arranged, as will be described in more detail below.
  • the two feed rollers 2 and 3 become oscillating driven.
  • Figure 1 shows one Section through the feed device.
  • Figure 8 shows schematically the section of the device with the components for oscillating driving of the feed rollers 2.3.
  • Figure 8 is the left side of the figure 1 to compare, wherein in Figure 8 for the easier Understanding the illustration is simplified.
  • Figure 9 is a likewise simplified side view of the in the figure 8 components shown.
  • the feed device is driven by means of a bevel gear in FIG 4 shown drive member.
  • This bevel gear 4 is connected to a shaft 5, which for connection with a drive, not shown, of known training is determined.
  • the bevel gear 4 meshes with another Bevel gear 6.
  • a disk 7 rotatably mounted in the bevel gear 6 is arranged eccentrically.
  • the disc 7 carries on the one side an eccentrically arranged bolt 8 and on the other side, a gear wheel coaxial with the disk 7 9, which meshes with a ring 24 with an internal toothing.
  • This bolt 8 is with the bolt 8 of the figure Compare 8 and 9.
  • This arm 12 is also shown in FIG. 1.
  • the arm 12 is rotatably supported on the bolt 8.
  • a spindle 14 extends through the guide block 13 and combs with it.
  • the guide block 13 has one Bolt 17 on which the arm 12 rotatably on the Sliding block 17a is supported. The position of the bolt 17 forms the fulcrum for the respective feed length. Next, the guide block 13 on the frame 1 against one Twist secured.
  • the arm 12 can therefore have a range of 180 ° sprinkle.
  • Disk 7 On the opposite side is the Disk 7 connected to the coaxially arranged gear 9.
  • This gear 9 meshes with that embedded in the frame 1 Ring 24 with an internal toothing and rolls when turning the drive shaft 22 on the internal toothing from.
  • the pitch circle diameter of the coaxial gear and of the ring 24 are in a 1: 2 ratio.
  • the arm 12 is mounted, which is rotatable on the Bolt 17 of the guide block 13 is supported.
  • the leadership block 13 can be rotated as described move the spindle 14.
  • the gear 25 meshes with another gear 28, which is connected to a shaft 29, the in turn carries the first feed roller 2.
  • the first feed roller 2 is over the shaft 29 flying in a carrier section 31 of the frame 1 which support section rotatably and immovably 31 a recess 87 for receiving the edge area of a tape to be fed.
  • the second Feed roller 3 is mounted in a rocker 30. This Rocker 30 has a first 33 and a second end 34.
  • a translatory handlebar element that can be moved up and down, i.e. a Rod 35 articulated.
  • first compression spring 36 at her one end in a region between the shaft 81 of the second feed roller 3 and the second end 34 of the rocker 30 supported on the rocker 30, and at its opposite End via an adjusting screw 23 against the frame 1 supported.
  • This first compression spring 36 acts from the same side as the rod 35 and essentially in one parallel to the direction of movement of the rod 35 Towards rocker 30.
  • the rod 35 has a circumferential collar 38 on. Between this collar 38 and the frame 1 is one second compression spring 39 arranged. Since the rod 35 on the Rocker 30 is articulated, the rocker 30 is thus at her first end 33 via this second compression spring 39 against the Frame 1 supported.
  • This compression spring 39 guarantees in all operating states the contact pressure required below described roller 41 on the cam 64th
  • the pair of levers 40, 40a is between its attachment point with the rod 35 and that of the roller 41 with a piston rod attached to a piston 42 43 connected. There is also a pin on the piston 42 44 attached, which with a height scale, in the frame 1 screwed adjusting nut 45 interacts.
  • the roller 41 acts with one on the drive shaft 22 arranged cams 64 together.
  • the drive is the drive shaft 22 with the drive of the feed rollers 2 and 3 coupled.
  • clamping ruler 46 In the rocker 30 there is also a clamping ruler 46 arranged. As will be described, that is Clamping ruler 46 firmly connected to a shaft 72. In the 4 and 5 is the wedge 37 of a corresponding Wedge and groove connection shown.
  • the rocker 30 is open at its second end 34 the spring 36 supported as described. Next is with second end of the rocker 30 a recess 47 with a Shoulder 48 formed, which forms a receiving surface. A support head 49 is in this recess 47 Control rod 50 arranged.
  • This control rod 50 is on an angle lever 51 articulated by means of a shaft 52 is mounted on the frame 1. Is at its other end the angle lever 51 is connected to a piston rod 53, which has a thread 54 with which it fits into a flange 55 engages on the angle lever 51.
  • the piston rod 53 has a first piston 56 connected. This is in a chamber 58 of a cylinder 88 arranged. Sliding on the piston rod 53 is a second piston 57 in a further chamber 59 of the Cylinder 88 arranged, which has a larger diameter has as the first piston 56. The transition from the Chamber 58 in which the first piston 56 moves to Chamber 59 for the second piston 57 is a stop for the latter trained. Both chambers 58, 59 are with the Connected lines 60 of a pneumatic system with which is also connected to the piston 42. In the supply lines 60 suitable control elements 61, 62 are installed.
  • the two feed rollers 2 and 3 which are in the feed direction during this period turn, engage the metal strip 63 and push it forward.
  • the control disc section After rotation of the drive shaft 22 by 180 ° during which the control disk section 64a the roller 41 acts, the control disc section begins at point B. 64b to act on the roller 41.
  • the feathers 36 and 39 now cause the rocker 30 to pivot about the axis of the upper, second feed roller 3 and a Lifting the rod 35, which is a rotation of the pair of levers 40, 40a and a lowering of the roller 41. Lowering the Roll 41 is possible because the distance of the control curve of the Section 64b from the axis of the drive shaft 22 smaller is that of the control curve of the section 64a.
  • the mentioned pivoting of the rocker 30 leads to lower the clamping ruler 46, which the sheet metal strip 63 presses against the stop 65 and clamped.
  • the Stop 65 is part of the frame 1 of the feed device. After clamping the sheet metal strip 63 the upper, second feed roller 3 is lifted off. The point of contact Clamping ruler 46 / sheet metal strip 63 becomes the pivot point the rocker 30 on the shaft 72.
  • the two feed rollers 2 and 3 no longer act on the sheet metal strip 63 and lead during the rotation of the drive shaft 22 they are a further 180 ° opposite to the feed direction Return movement off. Starts at point A. a full revolution of the drive shaft 22 again Cam portion 64a to act on the roller 41, so as described above, by pressing the feed rollers against each other 2 and 3 and lifting the clamping ruler 46 of the Feed cycle initiated again.
  • the cam 64 must be designed in such a way that the feed rollers 2 and 3 each exactly at the turning point their oscillating movement pressed against each other, or moved away from each other and in sync with the lifting or pressing movement of the clamping ruler 46.
  • Adjusting nut 45 is the fulcrum of the pair of levers 40, 40a can be adjusted in height.
  • the feed length is changed by changing the Amplitude of the oscillation movement of the feed rollers changed, i.e. as mentioned by moving the guide block 13 along the spindle 14.
  • the controller now described below is pneumatic.
  • the pressure medium i.e. compressed air
  • This feed line 66 branches into two Branch lines 67, 68, in which the control members 61, 62 are arranged.
  • branch line 68 From the branch line 68 is downstream of the Control unit 62 branches off a connecting line 69, which extends to the cylinder chamber above the piston 42.
  • the chamber 59 of the cylinder 88 and the chamber above the piston 42 is depressurized. consequently becomes the first end 33 of the rocker 30, at which the spring-loaded Rod 35 is hinged to the rocker 30, raised.
  • the chamber 59 is also the chamber above of the piston 42 and also the chamber 58 without pressure. Consequently, the second end 34 of the rocker 30 at which the control rod 50 engages in the rocker 30 by the force of the spring 36 is lowered. The rod 50 is after pulled down, the angle lever 51 pivoted accordingly and thus the rod 53 or the piston 56 to the left moved because the chamber 58 is depressurized. So that is upper feed roller 3 raised and the clamping ruler 46 pressed down.
  • the first operating state is used if the built-in tool has no catch pins for precise positioning of the tape 63 during machining the same, e.g. Stamping.
  • the tape 63 will continuously, i.e. in every position of the working members the punch press assigned to the feed device either by the advancing rollers 2 and 3 or by the clamping ruler 46 and the stop 65 positioned.
  • the tape 63 is never loose.
  • the chamber 58 Since the chamber 58 is pressure-free, it can do not support the second end 34 of the rocker 30 on the rod 50, because this the piston 56 via the angle lever 51st and can move the rod 53 to the left. consequently remains the clamping ruler 46 by the action of the spring 36 in the bottom dead center area, i.e. while the Roller 41 is located on the deepest area of cam 64, pressed against the tape 63 and holds it.
  • the second operating state is used if the built-in tool catch pins to the exact Positioning the tape 63 while processing it, i.e. Punching, and the tape 63 during the action of the tools only positioned by the catch pins and is locked. So that will add up of feed errors avoided.
  • the roller 41 moves to the lowest point of the cam 64 and before the roller 41 on the deepest
  • the rocker 30 comes at its second end 34 over the shoulder 48 on the support head 49 of the fixed Control rod 50 for resting.
  • the rocker 30 is one-sided on one Boom rotatably mounted.
  • the boom has a sleeve 70 which in Bearing 75 in the frame 1 is freely rotatable.
  • the can 70 is rotationally fixed to the arm 71 by means of a press fit connected.
  • An arm 71 stands laterally from this sleeve 70 from.
  • this arm 71 is a parallel to the sleeve 70 Shaft 72 held releasably clamped.
  • the purpose is the arm 71 at its removed from the sleeve 70 End slotted and by clamping screws 73 and 74 interspersed.
  • the rocker 30 is in turn via bearings 77 and 78 rotatably mounted on the shaft 72.
  • the rocker 30 In the rocker 30 is the upper, second feed roller 3 stored via bearings 79 and 80.
  • the feed roller 3 sits on a shaft 81 which is coaxial through the Bush 70 runs.
  • the reference number 90 denotes the wedge a corresponding key and groove connection.
  • the wave 81 ends at the coupling part 26.
  • the outside diameter the shaft 81 is smaller than the inside diameter of the Box 70 is. This means that the wave 81 during a movement of the rocker 30 in the radial direction freely within the sleeve 70 can move.
  • the clamping ruler 46 is fixed to the shaft 72 connected.
  • the change of support between the roller 3 and the clamping ruler 46 takes place in the position shown of the cam according to FIG. 2.
  • the time of ventilation can be set exactly (basic setting).
  • the strip thickness setting depending on the processing band, takes place exclusively on the adjusting nut 45 as described above.
  • rocker 30 on one side a boom is rotatably arranged, can be two of the feed devices described a twin feed device build by two such feeders arranged facing each other.
  • a first version of a twin feed device is shown in Figure 6.
  • the structure of the two individual feed devices is equal to that described with reference to Figures 1 and 2 Feed device so that only those Components are described for the twin feed device are specific.
  • the feed device arranged on the left in FIG. 6 has the associated with a drive Shaft 5 on that with the bevel gear serving as a drive member 4 is connected.
  • This bevel gear 82 meshes with a bevel gear 83.
  • the bevel gear 83 stands with a first Universal joint 84 connected by a telescopic longitudinally variable drive transmission shaft 85 followed which is connected to a second universal joint 84a is, which in turn with a bevel gear 83a right feed device is connected.
  • This bevel gear 83a meshes with a bevel gear 82a, that sits on the drive shaft 5a and with the bevel gear 4a combs.
  • the two individual feed devices of the Twin feeder are thus simultaneously from a common drive on the shaft 5 synchronously driven.
  • FIG. 7 shows an embodiment of a twin feed device, those for extreme bandwidths Application comes. Again, only those band elements described for this twin feed device are specific.
  • the feed device arranged on the left in FIG. 7 has the associated with a drive Shaft 5, which is connected to the bevel gear 4.
  • This bevel gear 4 meshes as previously described the further bevel gear 6.
  • This further bevel gear 6 sits on the drive shaft 22.
  • the drive shaft 22 stands with a first one Universal joint 84 connected by a telescopic longitudinally variable drive transmission shaft 85 followed by a second universal joint 84a is.
  • This second universal joint 84a is directly connected of the drive shaft 22a that arranged on the right in FIG Feed device in connection.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)
  • Advancing Webs (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Manufacture Of Motors, Generators (AREA)
EP01124281A 2001-10-18 2001-10-18 Dispositif pour l' avancement pas à pas d' une pièce en forme de bande Expired - Lifetime EP1304181B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP01124281A EP1304181B1 (fr) 2001-10-18 2001-10-18 Dispositif pour l' avancement pas à pas d' une pièce en forme de bande
DE50114475T DE50114475D1 (de) 2001-10-18 2001-10-18 Vorrichtung zum schrittweisen Vorschieben eines bandförmigen Werkstückes
AT01124281T ATE413243T1 (de) 2001-10-18 2001-10-18 Vorrichtung zum schrittweisen vorschieben eines bandförmigen werkstückes
US10/223,595 US6662988B2 (en) 2001-10-18 2002-08-15 Apparatus for a stepwise feeding of a strip-shaped article
SG200205515A SG98495A1 (en) 2001-10-18 2002-09-13 An apparatus for a stepwise feeding of a strip-shaped article
JP2002281192A JP3945576B2 (ja) 2001-10-18 2002-09-26 ストリップ形状物品のステップ状送り装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01124281A EP1304181B1 (fr) 2001-10-18 2001-10-18 Dispositif pour l' avancement pas à pas d' une pièce en forme de bande

Publications (2)

Publication Number Publication Date
EP1304181A1 true EP1304181A1 (fr) 2003-04-23
EP1304181B1 EP1304181B1 (fr) 2008-11-05

Family

ID=8178925

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01124281A Expired - Lifetime EP1304181B1 (fr) 2001-10-18 2001-10-18 Dispositif pour l' avancement pas à pas d' une pièce en forme de bande

Country Status (6)

Country Link
US (1) US6662988B2 (fr)
EP (1) EP1304181B1 (fr)
JP (1) JP3945576B2 (fr)
AT (1) ATE413243T1 (fr)
DE (1) DE50114475D1 (fr)
SG (1) SG98495A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1657008A1 (fr) * 2004-11-05 2006-05-17 Bruderer Ag Dispositif pour l'alimentation d'un matériau en bande vers une presse
EP1716939A1 (fr) * 2005-12-08 2006-11-02 Elite Machine and Design Ltd. Dispositif d'alimentation de tôles pour une machine à poinçonner

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE296694T1 (de) * 2002-07-08 2005-06-15 Bruderer Ag Vorschubvorrichtung zum intermittierenden zuführen eines bandförmigen rohlings zu einer presse und verfahren zum betrieb derselben
ES2296851T3 (es) * 2002-08-22 2008-05-01 Bruderer Ag Dispositivo de avance para conducir de forma intermitente un pieza en bruto en forma de cinta a una prensa y procedimiento para su funcionamiento.
ATE442214T1 (de) * 2007-01-08 2009-09-15 Bruderer Ag Vorrichtung zum intermittierenden zuführen eines band- oder drahtfírmigen halbzeugmaterials zu einer presse
CN112917976B (zh) * 2020-12-29 2023-04-14 湖州创感科技有限公司 一种可自动打包的利用自身势能废物循环利用加工装置
CN114871322B (zh) * 2022-07-12 2022-09-20 新乡市正元电子材料有限公司 一种圆柱电池钢壳加工凸轮传动装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2241686A1 (de) * 1971-10-01 1973-04-05 Bruderer Ag Vorrichtung zum schrittweisen vorschieben von werkstuecken
JPS63207431A (ja) * 1987-02-24 1988-08-26 Mitsubishi Heavy Ind Ltd 帯状物の間欠給送装置
US5358164A (en) * 1988-10-26 1994-10-25 Bruderer Ag Drive apparatus for a driving of at least one oscillating shaft and an intermittent feeding apparatus including the drive apparatus

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH544243A (de) * 1971-10-01 1973-11-15 Bruderer Ag Vorrichtung zum oszillierenden Antreiben von Wellen und Verwendung der Vorrichtung
JPS5775230A (en) * 1980-10-30 1982-05-11 Sankyo Seisakusho:Kk Roll feed device
CH676561A5 (fr) * 1988-10-26 1991-02-15 Bruderer Ag
CH677328A5 (fr) * 1988-10-26 1991-05-15 Bruderer Ag
CH679134A5 (fr) * 1989-05-03 1991-12-31 Bruderer Ag
DE4437217A1 (de) * 1994-10-18 1996-04-25 Eckehart Schulze Walzenvorschub
US5806745A (en) * 1997-06-05 1998-09-15 Irwin Research And Development, Inc. Adjustable conveyor for delivering thin web materials

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2241686A1 (de) * 1971-10-01 1973-04-05 Bruderer Ag Vorrichtung zum schrittweisen vorschieben von werkstuecken
JPS63207431A (ja) * 1987-02-24 1988-08-26 Mitsubishi Heavy Ind Ltd 帯状物の間欠給送装置
US5358164A (en) * 1988-10-26 1994-10-25 Bruderer Ag Drive apparatus for a driving of at least one oscillating shaft and an intermittent feeding apparatus including the drive apparatus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 012, no. 485 (M - 777) 19 December 1988 (1988-12-19) *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1657008A1 (fr) * 2004-11-05 2006-05-17 Bruderer Ag Dispositif pour l'alimentation d'un matériau en bande vers une presse
US7374073B2 (en) 2004-11-05 2008-05-20 Bruderer Ag Apparatus for feeding a band-type material to a press
EP1716939A1 (fr) * 2005-12-08 2006-11-02 Elite Machine and Design Ltd. Dispositif d'alimentation de tôles pour une machine à poinçonner

Also Published As

Publication number Publication date
US20030075580A1 (en) 2003-04-24
JP2003145239A (ja) 2003-05-20
US6662988B2 (en) 2003-12-16
SG98495A1 (en) 2003-09-19
EP1304181B1 (fr) 2008-11-05
DE50114475D1 (de) 2008-12-18
JP3945576B2 (ja) 2007-07-18
ATE413243T1 (de) 2008-11-15

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