EP0397750B1 - Systeme de conversion a deux voies - Google Patents
Systeme de conversion a deux voies Download PDFInfo
- Publication number
- EP0397750B1 EP0397750B1 EP89901955A EP89901955A EP0397750B1 EP 0397750 B1 EP0397750 B1 EP 0397750B1 EP 89901955 A EP89901955 A EP 89901955A EP 89901955 A EP89901955 A EP 89901955A EP 0397750 B1 EP0397750 B1 EP 0397750B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- feeder
- tooling
- carrier
- press
- feeder carrier
- 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.)
- Expired - Lifetime
Links
- 238000006243 chemical reaction Methods 0.000 title description 5
- 230000009977 dual effect Effects 0.000 title 1
- 238000012546 transfer Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
Images
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
- B21D51/00—Making hollow objects
- B21D51/16—Making hollow objects characterised by the use of the objects
- B21D51/38—Making inlet or outlet arrangements of cans, tins, baths, bottles, or other vessels; Making can ends; Making closures
- B21D51/383—Making inlet or outlet arrangements of cans, tins, baths, bottles, or other vessels; Making can ends; Making closures scoring lines, tear strips or pulling tabs
Definitions
- the present invention relates to a press for converting work pieces into parts, said press having stock feed means and feeder drive means, whereby the stock feed means is mounted on a feeder carrier for feeding a strip stock into stations of tooling means.
- a press according to the preamble of claim 1 is known from US-A-4,723,882.
- This press has a tab feeder comprising a plate which is fixed to the frame of the press by nut bolts.
- the crankshaft of the fixed tab feeder is coupled to a gearing, which is connected to a driveshaft and a change direction gear box.
- the change direction gear box is connected to a second crankshaft by a belt, this belt is driven by the main crankshaft which is coupled to the motor.
- the US-A-4,568,230 describes a press for converting ends for cans and the like.
- This press has a tab feeder mounted on a rearwardly-extending bolster.
- the tab feeder is mounted to the press bed and slide such that the converting and tab forming paths are arranged in a symmetrical fashion which distributes reaction forces in a generally informal manner over the opposed work areas of the bed and slide.
- the tab feeder receives intermittent rotary input from the power takeoff shaft, a gear box and belts, whereby the power takeoff shaft is coupled to the motor by belts.
- a feeder carrier is pivotable about a hinge line for providing service access to the press by pivoting off the feeder carrier without disconnecting the feeder drive means from the stock means.
- Fig. 1 is a front elevation view of the conversion system of the present invention.
- Fig. 2 is an end elevation view of the conversion system, looking from the right side of Fig 1.
- Fig. 3 is a top plan view of the bolster with the lower die shoe omitted for clarity.
- Fig. 4 is an enlarged front elevation view of the bolster, with portions omitted, showing the conveyor system mounted thereon.
- Fig. 5 is an end elevation view of the bolster looking from the right end of Fig. 4.
- Fig. 6 is an elevation view of the tab stock feeder mechanism, looking in the direction of line 6-6 of Fig. 2.
- Fig. 7 is a plan view of the tab stock feeder mechanism.
- Fig. 8 is an enlarged front elevation view of the tab feeder, with the cover omitted.
- Fig. 9 is a side elevation view of the tab stock feeder, looking from the right side of Fig. 8.
- Fig. 10 is a side elevation view of the tab stock feeder, looking from the left side of Fig. 8.
- the conversion system or press is shown generally at 10 in Figs. 1 and 2.
- the portion of the press shown in Fig. 1 will be termed the front of the machine.
- the right hand side as seen in Fig. 1 will be called the input side with the left hand side referred to as the output side.
- the side not shown in Fig. 1 will be denoted the back of the machine.
- the press includes a pair of legs 12 supporting a press bed 14.
- Certain auxiliary equipment such as a vacuum pump 16, and a vacuum manifold 18 may be attached to the press bed.
- a unitary bolster 20 rests on top of the press bed 14, and is keyed thereto as at 22. It will be noted that the bolster 20 extends beyond the edges of the bed 14.
- Each column includes a way or track 25.
- a crown 26 is supported on top of the columns 24.
- the bed 14, bolster 20, columns 24 and crown 26 are fastened together by tie rods 27 extending through these components.
- Inside the crown is a main drive means, including a motor, crankshaft, and flywheel (not shown).
- the various components of the press are driven by means of mechanical connections to the crankshaft.
- rotary down stackers 28 which place shells onto a conveyor are driven by belts connected to the crankshaft.
- the housings for the belts are shown at 30. They are connected to gear boxes 32.
- Drive shafts shown schematically at 34 connect the gear boxes 32 to the down stackers.
- a ram 36 is slidable on the ways 25. It is driven by the crankshaft in a reciprocating motion.
- Tooling shown generally at 38 is located between the ram 36, and the bolster 20.
- the tooling shown is lane and tab tooling for converting can ends. This tooling comprises the usual dies and punches required to form the ends.
- the tooling is divided into upper and lower sets, including an upper die shoe 40, and a lower die shoe 42.
- the upper shoe 40 is affixed to the ram 36, and moves therewith.
- the lower die shoe is keyed to the bolster 20, as described below.
- the usual die fixtures and punch holders are mounted on the die shoes.
- a traveling vacuum box is indicated schematically at 44.
- the press includes a transfer or conveyor system, including a main gear box 46 driven from the crankshaft by belt 47 (seen in Fig.4).
- the gear box 46 drives a head end pulley 48, which is mounted for rotation on a pair of brackets 50.
- the brackets are attached to the bolster.
- a tail end pulley 52 is mounted at the other of the bolster. It is covered by a shroud 54.
- An endless conveyor belt illustrated schematically at 56 is driven by the pulley 48, and revolves about pulley 52.
- the belt 56 has openings 57 for receiving shells.
- a strip stock feeder shown generally at 58 is mounted at the back of the press, opposite the area of the tooling. This apparatus feeds a strip stock material which, in the embodiment shown, is used to make the tab parts of the can ends. Details of the stock feed mechanism 58 will be described below.
- the bolster is an elongated slab of steel, approximately 6 inches thick.
- the upper surface of the bolster has a plurality of locating means in the form of keyways for establishing the positions of components mounted on the bolster, namely, the columns 24 and lower die shoe 42.
- a key 61 fits into the matching keyways.
- the two columns at the rear of the bolster also have longitudinal keyways 64 (Fig. 3). These keys fix the lateral position of the rear two columns.
- Central keyways 66 establish the center line of the bolster. They are used to fix the lower die shoe 42 in position. They also establish a reference line for drilling the bolt holes used to mount the brackets 50. The keyways 60 and 64 are machined into the bolster with reference to the central keyways.
- the bolster has vacuum supply ports 68 in communication with passages 70, which extend through the bolster. Passages 70 are connected to the vacuum manifold 18 through mating passages in the bed 14.
- the input end of the bolster has a U-shaped cutout shown at 72.
- the cutout forms a pair of arms 74.
- the U-shaped cutout 72 accommodates the tail end pulley 52 between the arms 74.
- a depression 76 Located adjacent the cutout, on the upper surface of the bolster is a depression 76.
- a saddle 78 fits in the depression 76, and carries the bearings for mounting the tail end pulley 52.
- a cylinder 80 is mounted between the bolster and the saddle 78 for adjusting the longitudinal position of the saddle, thereby controlling the tension on the conveyor belt 56.
- a pair of restraining bars 82 are fixed to the bolster arms 74 to hold the saddle in the depression 76.
- the conveyor belt 56 is supported on its forward run adjacent the tail end pulley 52 by a plate 84.
- the plate is mounted on a bridge structure 86 attached to the bolster.
- the bridge 86 also supports the down stackers 28.
- the forward run of the conveyor progresses between two of the columns 24, and then into the area of the tooling.
- the forward run of the conveyor is supported in the tooling area by the vacuum box 44, as will be described in detail below.
- the forward run of the conveyor proceeds between the two output side columns to an output device where the finished can ends are discharged.
- the conveyor belt winds around the head end or drive pulley 48 to begin the return run.
- the return run is accommodated by a channel 88 cut in the underside of the bolster as shown in Fig. 4.
- the bolster 20 provides an integrated support member for the various press components. In the embodiment shown the bolster extends beyond the columns to provide support for the transfer system or conveyor. The bolster also assures proper alignment of the components mounted thereon.
- the stock feed mechanism 58 is shown in detail. Although it could be used to feed any type of work pieces or stock, in the illustrated embodiment it is used to feed the tab stock strip, so hereinafter the stock feeder will be referred to as the tab feeder. Since the feeder is supplying the tab stock to the tab tooling, it is located opposite or adjacent to the tab tooling, on the rear side of the machine. Thus, the tab stock is fed transversely to the direction of the main conveyor belt. As a result of this required positioning for the feeder, it blocks service access to the tooling. The present invention alleviates this difficulty by pivotally mounting the tab feeder 58 to one of the columns 24. The feeder pivots about a hinge line from its normal working position to a service position shown in phantom at 90 in Fig. 7.
- the feeder components are mounted on a carrier comprising top and bottom plates 92 and 94, and first and second side plates 96 and 98.
- a removable cover 100 encloses the carrier on three sides.
- the feeder carrier is pivotally mounted by a bracket 118, which is bolted to a column 24.
- the bracket includes a stiffener 120, and upper and lower extensions 122.
- the extensions mount bearings about which the top and bottom plates are pivotable. These bearings define a hinge line or rotational axis 124.
- the first side plate 96 carries a pair of locating pads 102 and 104 (Fig. 10), which define horizontal and vertical locating surfaces, respectively.
- the first side plate also has a pin 106, on which a latch 108 is pivotally mounted.
- the rear edge of the lower die shoe 42 has milled surfaces 110 and 112.
- the pads 102 and 104 of the first end plate engage these milled surfaces to locate the carrier in the correct position with respect to the die shoe.
- a slot 114 Immediately adjacent these milled surfaces is a slot 114 into which a hook portion of the latch 108 fits to engage a removable bolt 116 for holding the feeder in the closed position.
- the actual apparatus for feeding the tab stock is conventional, and may be purchased from Fergurson Manufacturing of St.Louis, Missouri. Briefly, that mechanism includes a right angle gear box 126 having a shaft 128, which is coaxial with the hinge line 124. Gear box 126 drives a belt 130 about an adjustable idler 132, which is mounted on the second side plate 98. The side plate has a U-shaped cutout 134 permitting passage of the belt and idler.
- the belt 130 drives a stock input device 136 and a stock output device 138.
- the stock itself is shown diagrammatically at 140 in Fig. 7. It will be understood that associated equipment, such as lube units and a scrap chopper have been omitted or only partially shown.
- Mechanical power to the gear box 126 is provided through a belt 142, driven by a right angle drive 144 (Figs. 6 and 7). This drive in turn receives power from belt 146, which engages an output shaft of the main gear box 46.
- the carrier can be rotated about the hinge line 124 without the need for disconnecting any of the belts.
- the timing of the tab feeders is not lost when the carrier pivots between operating and service positions.
- the locating surfaces on pads 102 and 104 assure that the carrier will always line up in the correct position with respect to the lower die shoe.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
- Radio Transmission System (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
- Radar Systems Or Details Thereof (AREA)
- Hardware Redundancy (AREA)
Claims (9)
- Presse (10) pour convertir des pièces à usiner en parties, ladite presse (10) présentant un moyen d'amenée de matériau (136, 138) et un moyen d'entraînement d'organe d'amenée (126, 130, 132, 142, 144, 146), de manière que le moyen d'amenée de matériau (136, 138) soit monté sur un support d'organe d'amenée (92, 94, 96, 98) pour amener un matériau en bande (140) à des postes de moyens d'usinage (40, 42),
caractérisée en ce que
le support d'organe d'amenée (92, 94, 96, 98) est monté pivotant par rapport à une ligne d'articulation (124), pour permettre un accès d'entretien à la presse (10) en faisant pivoter le support d'organe d'amenée (92, 94, 96, 98), sans séparer le moyen d'entraînement d'organe d'amenée (126, 130, 132, 142, 144, 146) du moyen d'amenée de matériau (136, 138). - Presse (10) selon la revendication 1, comprenant en outre un banc (14), une pluralité de colonnes (24) montées sur le banc et présentant une glissière (25) fixée a chaque colonne, des moyens d'entraînement principaux (26) montés sur les colonnes, un coulisseau (36) susceptible de coulisser sur les glissières et entraîné par les moyens d'entraînement principaux, de façon a se rapprocher et a s'éloigner du banc, des moyens d'usinage supérieur et inférieur (40, 42) respectivement fixés au coulisseau et au banc, présentant une pluralité de postes pour traiter lesdites pièces a usiner en parties, le support d'organe d'amenée (92, 94, 96, 98) étant monté sur une colonne opposée aux moyens d'usinage, les moyens d'entraînement d'organe d'amenée (126, 130, 132, 142, 144, 146) reliés aux moyens d'entraînement principaux pour entraîner lesdits moyens d'amenée de matériau et les moyens d'entraînement d'organe d'amenée comprenant un arbre d'entraînement (128) monté de façon coaxiale par rapport à la ligne d'articulation, de manière à permettre le pivotement du support d'organe d'amenée.
- Presse selon la revendication 2, dans laquelle ledit support d'organe d'amenée comprend en outre des moyens de verrouillage pour verrouiller le support d'organe d'amenée dans ladite position de fonctionnement.
- Presse selon la revendication 2 ou 3, dans laquelle le support d'organe d'amenée présente une position d'entretien et une position de fonctionnement, ledit arbre d'entraînement (128) présentant des moyens pivotant pour permettre le pivotement dudit support d'organe d'amenée entre ladite position de fonctionnement et ladite position d'entretien.
- Presse selon la revendication 4, dans laquelle ledit support d'organe d'amenée comprend des moyens de mise en coïncidence (102, 104) pour faire coïncider avec précision le cadencement desdits moyens d'amenée de matériau par rapport auxdits moyens d'usinage, lorsque ledit support d'organe d'amenée se trouve dans ladite position de fonctionnement.
- Presse selon la revendication 5, dans laquelle ledit moyen d'entraînement d'organe d'amenée comprend une courroie (142) associée audit arbre d'entraînement (128), ladite courroie et ledit arbre d'entraînement restant tous deux stationnaires par rapport au support d'organe d'amenée et ledit support d'organe d'amenée est forcé à pivoter entre ladite position de fonctionnement et ladite position d'entretien, de manière à faire pivoter ledit support d'organe d'amenée dans ladite position d'entretien et son retour vers ladite position permet de maintenir avec précision le cadencement desdits moyens d'amenée de matériau.
- Presse selon la revendication 5, comprenant en outre des sabots d'outil (42) présentant des surfaces laminées (110, 112), lesdits sabots disposés sur ledit banc et dans laquelle ledit moyen de mise en coïncidence comprend des tampons (102, 104) disposés sur ledit support d'organe d'amenée, qui sont susceptibles d'être mis au contact desdites surfaces laminées, ce qui permet une mise en coïncidence précise desdits moyens d'amenée de matériau.
- Presse selon la revendication 3, dans laquelle les moyens de mise en coïncidence disposent avec précision ledit support d'organe d'amenée par rapport auxdits moyens d'usinage, de manière à permettre auxdits moyens d'amenée de matériau d'amener un matériau directement au poste des moyens d'usinage.
- Presse selon la revendication 2, dans laquelle le moyen de mise en coïncidence fait coïncider avec précision ledit support d'organe d'amenée par rapport audit moyen d'amenée de matériau, de manière qu'un matériau en bande soit amené directement audit poste dudit moyen d'usinage, durant le fonctionnement.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP92119489A EP0543297B1 (fr) | 1988-01-13 | 1989-01-09 | Système de conversion à deux voies |
EP92119490A EP0542310B1 (fr) | 1988-01-13 | 1989-01-09 | Système de conversion à deux voies |
AT89901955T ATE99198T1 (de) | 1988-01-13 | 1989-01-09 | Zweispuren-umwandlungssystem. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14358588A | 1988-01-13 | 1988-01-13 | |
US143585 | 1988-01-13 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP92119489.0 Division-Into | 1992-11-13 | ||
EP92119490.8 Division-Into | 1992-11-13 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0397750A1 EP0397750A1 (fr) | 1990-11-22 |
EP0397750A4 EP0397750A4 (en) | 1991-07-03 |
EP0397750B1 true EP0397750B1 (fr) | 1993-12-29 |
Family
ID=22504707
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP89901955A Expired - Lifetime EP0397750B1 (fr) | 1988-01-13 | 1989-01-09 | Systeme de conversion a deux voies |
EP92119490A Expired - Lifetime EP0542310B1 (fr) | 1988-01-13 | 1989-01-09 | Système de conversion à deux voies |
EP92119489A Expired - Lifetime EP0543297B1 (fr) | 1988-01-13 | 1989-01-09 | Système de conversion à deux voies |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP92119490A Expired - Lifetime EP0542310B1 (fr) | 1988-01-13 | 1989-01-09 | Système de conversion à deux voies |
EP92119489A Expired - Lifetime EP0543297B1 (fr) | 1988-01-13 | 1989-01-09 | Système de conversion à deux voies |
Country Status (6)
Country | Link |
---|---|
EP (3) | EP0397750B1 (fr) |
AT (2) | ATE126108T1 (fr) |
AU (1) | AU3033489A (fr) |
CA (1) | CA1337029C (fr) |
DE (3) | DE68924179T2 (fr) |
WO (1) | WO1989006575A1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0941779A1 (fr) * | 1998-03-09 | 1999-09-15 | Battaglia Bergomi, Claudia | Dispositif d'alimentation de matériau pour presse |
EP0941830A1 (fr) * | 1998-03-10 | 1999-09-15 | Battaglia Bergomi, Claudia | Dispositif de posionnement de fonds de boítes en déformation progressive dans une machine de fabrication |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3550546A (en) * | 1968-04-08 | 1970-12-29 | Fraze Ermal C | Apparatus for making easy-opening can ends |
US4026226A (en) * | 1976-03-01 | 1977-05-31 | American Can Company | Press apparatus and method utilizing same |
AU519334B2 (en) * | 1977-12-09 | 1981-11-26 | Stolle Corporation, The | Non-scuff vacuum belt conveyor |
US4213324A (en) * | 1978-07-21 | 1980-07-22 | Usm Corporation | Punch press and method for making can ends with closures |
US4289231A (en) * | 1979-07-12 | 1981-09-15 | The Stolle Corporation | Article feeding apparatus |
US4546873A (en) * | 1981-05-15 | 1985-10-15 | The Broken Hill Proprietary Company Limited | Article retention system for transfer equipment |
US4568230A (en) * | 1984-05-15 | 1986-02-04 | Dayton Reliable Tool & Mfg. Co. | Two-out belt system |
US4723882A (en) * | 1986-11-25 | 1988-02-09 | The Minster Machine Company | Apparatus for forming easy-open can ends |
-
1989
- 1989-01-09 WO PCT/US1989/000071 patent/WO1989006575A1/fr active IP Right Grant
- 1989-01-09 DE DE68924179T patent/DE68924179T2/de not_active Expired - Fee Related
- 1989-01-09 AT AT92119489T patent/ATE126108T1/de not_active IP Right Cessation
- 1989-01-09 EP EP89901955A patent/EP0397750B1/fr not_active Expired - Lifetime
- 1989-01-09 EP EP92119490A patent/EP0542310B1/fr not_active Expired - Lifetime
- 1989-01-09 AU AU30334/89A patent/AU3033489A/en not_active Abandoned
- 1989-01-09 DE DE68923804T patent/DE68923804T2/de not_active Expired - Fee Related
- 1989-01-09 AT AT92119490T patent/ATE127373T1/de not_active IP Right Cessation
- 1989-01-09 EP EP92119489A patent/EP0543297B1/fr not_active Expired - Lifetime
- 1989-01-09 DE DE89901955T patent/DE68911903T2/de not_active Expired - Fee Related
- 1989-01-13 CA CA000588260A patent/CA1337029C/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE68924179T2 (de) | 1996-02-01 |
DE68924179D1 (de) | 1995-10-12 |
DE68923804D1 (de) | 1995-09-14 |
DE68911903T2 (de) | 1994-04-21 |
CA1337029C (fr) | 1995-09-19 |
EP0543297A1 (fr) | 1993-05-26 |
ATE126108T1 (de) | 1995-08-15 |
EP0542310B1 (fr) | 1995-09-06 |
EP0397750A4 (en) | 1991-07-03 |
DE68911903D1 (de) | 1994-02-10 |
DE68923804T2 (de) | 1995-12-07 |
ATE127373T1 (de) | 1995-09-15 |
EP0542310A1 (fr) | 1993-05-19 |
EP0397750A1 (fr) | 1990-11-22 |
AU3033489A (en) | 1989-08-11 |
WO1989006575A1 (fr) | 1989-07-27 |
EP0543297B1 (fr) | 1995-08-09 |
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