# US 8,739,959 B2 · Arrangement for machining workpieces > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,739,959 B2 - Document ID: US8739959B2 - Status: Granted - Kind: B2 - Application number: 13/136,709 - Filed: 2011-08-08 - Published: 2012-02-09 - Granted: 2014-06-03 - Earliest claimed: 2010-08-07 - Assignees: Mall & Herlan GmbH - Applicants: Anton Breil - Inventors: Anton Breil - Web page: https://patentgrep.com/patent/US8739959B2 ## CPC - B21D 43/14: by turning devices, e.g. turn-tables - B65G 29/00: Rotary conveyors, e.g. rotating discs, arms, star-wheels or cones (mechanical projectors B65G31/00; screw or rotary spiral conveyors B65G33/00) - B65G 47/847: {the article-engaging elements being grippers} - B21D: WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL (working or processing of wire B21F) - B65G: TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS (packaging B65B; handling thin or filamentary materials, e.g. paper sheets or thread, B65H; cranes B66C; portable mobile or lifting or hauling appliances, e.g. hoists, B66D; devices for lifting or lowering goods for loading or unloading purposes, e.g. fork-lift trucks, B66F9/00; emptying bottles, jars, casks, barrels or similar containers, not otherwise provided for, B67C9/00; delivering or transferring liquids B67D; filling or discharging vessels for liquefied, solidified or compressed gases F17C; pipe-line systems for fluids F17D) ## Abstract In an arrangement for machining workpieces, with at least a first machining station in which the workpieces are machined during an operating cycle comprising a machining phase and a transport phase, and a transport unit which includes first accommodation structures for the workpieces and via which the workpieces can be supplied to the first machining station during the transport phase, a second machining station is arranged in transport direction after the first machining station in spaced relationship and the first accommodation structure is arranged on the transport unit so as to be movable relative thereto for supplying workpieces to both machining stations. ## Claims ### Claim 1 An arrangement for machining workpieces (4) including at least a first and a second machining station (1, 2) in each of which piece (4) can be machined concurrently during an operating cycle comprising a machining phase and a transport phase, and a transport unit (3) including a revolving head (3) with accommodation structures (5) for the workpieces (4) which accommodation structures (5) are in each case arranged on a lever arm (6a) which is connected to the revolving head (3) so as to be pivotable about a pivot axis (6c) and by which the workpieces (4) can be supplied during the transport phase, one to the first machining station (1) by moving the transportation structures (5). in a transport direction (3a), and a second one to the second machining station (2) arranged in the transport direction (3a) in spaced relationship after the first machining station (1), the accommodation structure (5) being pivotally supported on the transport unit (3) for position adjustment thereon, each accommodation structure (5) having at least a first and a-second shell (5a, 5b) for receiving at least a first and a second workpiece and, while the revolving head (3) is at a standstill, the accommodation structure, after a first workpiece has been supplied to its first shell in a first position thereof, is pivoted to a second subsequent position in which a second workpiece is supplied to the second shell while the workpieces in the at least first and the second machining stations are concurrently machined. ### Claim 2 (depends on 1) The arrangement according to claim 1, wherein means are provided for adjusting the position of the accommodation structure (5) on the transport unit (3) during the machining phase, in which the transport unit is at a stand-still, from a first position in which a first workpiece is supplied from a supply structure to the first shell of an accommodation structure to a second position in which a second workpiece is transferred to the second shell of the accommodation structure from the same supply structure. ### Claim 3 (depends on 1) The arrangement according to claim 1, wherein the distance at which the second machining station (2) is arranged after the first machining station (1) corresponds to a travel length which the accommodation structure (5) moves during a transport step plus an additional distance at which the workpieces are arranged in the accommodation structures (5). ### Claim 4 (depends on 3) The arrangement according to claim 3, wherein the additional distance, by which the travel length of the accommodation structures (5) during a transport step is increased, is adjusted by a correction value. ### Claim 5 (depends on 1) The arrangement according to claim 1, wherein the lever, arm (6a) is connected to a drive (7) for generating the pivot movement. ### Claim 6 (depends on 5) The arrangement according to claim 5, wherein the lever arm (6a) is part of a lever with at least two arms (6a, 6b) and the drive (7) includes a cam disc with which the lever arm 6b of the lever (6a, 6b), which is arranged, with respect to the pivot axis (6c) of the lever (6a, 6b), opposite the first accommodation structure (5), is operatively connected. ### Claim 7 (depends on 1) The arrangement according to claim 1, wherein in transport direction (3a) after the machining station (2), a receiving unit (8) is arranged which includes second accommodation structures (9) which are adjustable in a transfer cycle. ### Claim 8 (depends on 7) The arrangement according to claim 7, wherein the transfer cycle is a whole number multiple of a machining cycle.