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US 8,776,549 B2Granted
Device and method for severing a continuous glass strip
AssigneeGrenzebach Maschinenbau GmbH
InventorEdwin Lang
Life of this patent
Estimating the term…
Abstract
The invention relates to a method and a device for severing a marked region of a glass strip (1) produced continuously on a conveyor belt (11), having the following characteristics: a) a line (12) highlighting the severing of the marked region is scored on the continuous glass strip (1), b) once the scored line (12) reaches the crusher roll (6), the two lock rolls (7, 8) following the crusher roll (6) are folded away downward, c) once the scored line (12) is located in the region of the highest area of the crusher roll (6), means for shearing off (5) push onto the glass strip (1) and break it off, d) after the broken-off glass piece (10) has dropped, the lock rolls (7, 8, 9) are folded back in the conveyor belt (11), and to a computer program and a machine-readable carrier with the program code thereof.
Claims18
A device for severing a designated region of a glass ribbon (1) produced continuously on a conveyor belt (11), said device comprising:
- a marking device (3) for scoring a line (12) on the continuous glass ribbon which marks the severing location for the designated region of the glass ribbon (1);
- a crusher roller (6) positioned forward of the marking device;
- at least one moveable lock roller positioned forward of the crusher roller and moveable between a folded up position and a folded away position;
- a free space between the crusher roller and the at least one moveable lock roller wherein a part (10) can fall through the free space when the at least one moveable lock roller is in the folded away position;
- a shearing-off tool (5) positioned above the free space;
- and
- a control unit in operable communication with the shearing-off tool;
- wherein all positions are in relation to the running direction of the conveyor belt;
- wherein the control unit controls movement of the shearing-off tool between a starting position above a plane of the conveyor belt (11) at the crusher roller (6) and a lowered position at or below the plane to break off a part (10) of the glass ribbon (1) by pressing from above onto the part (10) that protrudes freely past the crusher roller when the scored line (12) is located in the region of the highest point of the crusher roller (6);
- and
- wherein the at least one moveable lock roller comprises a front lock roller (7) and a rear lock roller (8) and at least one of the front and rear lock rollers is moveable downward to the folded away position when the scored line (12) on the continuous glass ribbon reaches the crusher roller (6) and return to the folded up position after the glass piece (10) which is broken off has dropped through the free space.
8 more elements
A device for severing a designated region of a glass ribbon (1) produced continuously on a conveyor belt (11), said device comprising:
- a marking device (3) for scoring a line (12) on the continuous glass ribbon which marks the severing location for the designated region of the glass ribbon (1);
- a crusher roller (6) positioned forward of the marking device;
- at least one moveable lock roller positioned forward of the crusher roller and moveable between a folded up position and a folded away position;
- a free space between the crusher roller and the at least one moveable lock roller wherein a part (10) can fall through the free space when the at least one moveable lock roller is in the folded away position;
- a shearing-off tool (5) positioned above the free space;
- and
- a control unit in operable communication with the shearing-off tool;
- wherein all positions are in relation to the running direction of the conveyor belt;
- wherein the control unit controls movement of the shearing-off tool between a starting position above a plane of the conveyor belt (11) at the crusher roller (6) and a lowered position at or below the plane to break off a part (10) of the glass ribbon (1) by pressing from above onto the part (10) that protrudes freely past the crusher roller when the scored line (12) is located in the region of the highest point of the crusher roller (6);
- and
- wherein the at least one moveable lock roller comprises a front lock roller (7) coupled to a rear lock roller (8) and the moveable lock roller is operable to simultaneously move the front lock roller (7) forward and the rear lock roller (8) downward into the folded away position when the scored line (12) on the continuous glass ribbon reaches the crusher roller (6)—and return the lock rollers to the folded up position after the glass piece (10) which is broken off has dropped through the free space.
8 more elements
A device for severing a designated region of a glass ribbon (1) produced continuously on a conveyor belt (11), said device comprising:
- a marking device (3) for scoring a line (12) on the continuous glass ribbon which marks the severing location for the designated region of the glass ribbon (1);
- a crusher roller (6) positioned forward of the marking device;
- at least one moveable lock roller positioned further forward than the crusher roller and moveable between a folded up position and a folded away position;
- a free space between the crusher roller and the at least one moveable lock roller wherein a part (10) can fall through the free space when the at least one moveable lock roller is in the folded away position;
- a shearing-off tool (5) positioned above the free space;
- and
- a control unit in operable communication with the shearing-off tool;
- wherein all positions are in relation to the running direction of the conveyor belt;
- wherein the control unit controls movement of the shearing-off tool between a starting position above a plane of the conveyor belt (11) at the crusher roller (6) and a lowered position at or below the plane to break off a part (10) of the glass ribbon (1) by pressing from above onto the part (10) that protrudes freely past the crusher roller when the scored line (12) is located in the region of the highest point of the crusher roller (6);
- and
- wherein the at least one moveable lock roller comprises a front lock roller (7) coupled to a rear lock roller (8) and the moveable lock roller is operable to sequentially move the rear lock roller (8) downward in accelerated fashion then move the front lock roller (7) forward into the folded away position when the scored line (12) on the continuous glass ribbon reaches the crusher roller (6) and return the two lock rollers to the folded up position after the glass piece (10) which is broken off has dropped through the free space.
8 more elements
A device for severing a designated region of a glass ribbon (1) produced continuously on a conveyor belt (11), said device comprising:
- a marking device (3) for scoring a line (12) on the continuous glass ribbon which marks the severing location for the designated region of the glass ribbon (1)
- a crusher roller (6) positioned forward of the marking device;
- at least one moveable lock roller positioned further forward than the crusher roller and moveable between a folded up position and a folded away position;
- a free space between the crusher roller and the at least one moveable lock roller wherein a part (10) can fall through the free space when the at least one moveable lock roller is in the folded away position;
- a shearing-off tool (5) positioned above the free space;
- and
- a control unit in operable communication with the shearing-off tool;
- wherein all positions are in relation to the running direction of the conveyor belt;
- wherein the control unit controls movement of the shearing-off tool between a starting position above a plane of the conveyor belt (11) at the crusher roller (6) and a lowered position at or below the plane to break off a part (10) of the glass ribbon (1) by pressing from above onto the part (10) that protrudes freely past the crusher roller when the scored line (12) is located in the region of the highest point of the crusher roller (6);
- and
- wherein the at least one moveable lock roller comprises a front lock roller (7) coupled to a rear lock roller (8) and the front and rear lock rollers are moveable away from the crusher roller (6) in the running direction of the glass ribbon (1) into the folded away position when the scored line (12) on the continuous glass ribbon reaches the crusher roller (6) and return to the folded up position after the glass piece (10) which is broken off has dropped through the free space.
8 more elements
A method for severing a designated region of a glass ribbon (1) produced continuously on a conveyor belt (11), comprising:
- a) scoring a line (12) on the continuous glass ribbon (1) which marks the severing location for the designated region of the glass ribbon (1);
- b) when the scored line (12) on the continuous glass ribbon reaches the crusher roller (6), folding away downward at least one of the lock rollers (7, 8, 9) which follow the crusher roller (6) to form a free space between the crusher roller and the at least one moveable lock roller;
- c) when the scored line (12) is located in the region of the highest point of the crusher roller (6), breaking off a part (10) of the glass ribbon (1) by moving a shearing-off tool (5) from a starting position above a plane of the conveyor belt (11) at the crusher roller (6) to a lowered position at or below the plane to press the shearing-off tool (5) from above onto the part (10) of the glass ribbon (1) which protrudes freely over the crusher roller (6);
- and
- d) after the glass piece (10) which is broken off has dropped through the free space, folding the lock rollers (7, 8, 9) back again into the conveyor belt (11).
2 more elements
A method for severing a designated region of a glass ribbon (1) produced continuously on a conveyor belt (11) comprising:
- a) scoring a line (12) on the continuous glass ribbon (1) which marks the severing location for the designated region of the glass ribbon (1);
- b) when the scored line (12) on the continuous glass ribbon reaches the crusher roller (6), moving the front lock roller (7) which follows the crusher roller forward in the running direction of the glass ribbon (1) and, at the same time, moving the rear lock roller (8) which is connected in terms of function to said front lock roller (7) downwards to form a free space between the crusher roller and the at least one moveable lock roller;
- c) when the scored line (12) overshoots the region of the highest point of the crusher roller (6), breaking off a part (10) of the glass ribbon (1) by moving a shearing-off tool (5) from a starting position above a plane of the conveyor belt (11) at the crusher roller (6) to a lowered position at or below the plane to press the shearing-off tool (5) from above onto the part (10) of the glass ribbon (1) that protrudes freely over the crusher roller (6);
- and
- d) after the glass piece (10) which is broken off has dropped through the free space, folding the two lock rollers (7, 8) back again into the conveyor belt (11).
2 more elements
A method for severing a designated region of a glass ribbon (1) produced continuously on a conveyor belt (11) comprising:
- a) scoring a line (12) on the continuous glass ribbon (1) which marks the severing location for the designated region of the glass ribbon (1);
- b) when the scored line (12) on the continuous glass ribbon reaches the crusher roller (6), first moving the rear lock roller (8) downward in accelerated fashion, and then pulling the front lock roller (7) away from the crusher roller (6) to form a free space between the crusher roller and the at least one moveable lock roller;
- c) when the scored line (12) overshoots the region of the highest point of the crusher roller (6), breaking off a part (10) of the glass ribbon (1) by moving a shearing-off tool (5) from a starting position above a plane of the conveyor belt (11) at the crusher roller (6) to a lowered position at or below the plane to press the shearing-off tool (5) from above onto the part (10) of the glass ribbon (1) that protrudes freely over the crusher roller (6), after which the crusher roller (6) moves together with the glass ribbon;
- and
- d) after the glass piece (10) which is broken off has dropped through the free space, folding the two lock rollers (7, 8) are back again into the conveyor belt (11) and moving the crusher roller (6) back into its original position.
2 more elements
A method for severing a designated region of a glass ribbon (1) produced continuously on a conveyor belt (11) comprising:
- a) scoring a line (12) on the continuous glass ribbon (1) which marks the severing location for the designated region of the glass ribbon (1);
- b) when the scored line (12) on the continuous glass ribbon reaches the crusher roller (6), pulling the lock rollers (7, 8, 9) that follow the crusher roller (6) away from the crusher roller (6) in the running direction of the glass ribbon (1) to form a free space immediately forward and adjacent to the crusher roller;
- c) when the scored line (12) overshoots the region of the highest point of the crusher roller (6), breaking off a part (10) of the glass ribbon (1) by moving a shearing-off tool (5) from a starting position above a plane of the conveyor belt (11) at the crusher roller (6) to a lowered position at or below the plane to press the shearing-off tool (5) from above onto the part (10) of the glass ribbon (1) that protrudes freely over the crusher roller (6), after which the crusher roller (6) moves together with the glass ribbon;
- and
- d) after the glass piece (10) which is broken off has dropped through the free space, pulling the lock rollers (7, 8, 9) back again into their original position in the conveyor belt (11).
2 more elements
Dependencies are inferred from the claim text.