Device For Picking Up, Displacing And Placing Bands Or Strips Of Flexible Material
First Claim
1. Device for picking up, displacing and placing a band or strip of flexible material, particularly unvulcanised rubber, more particularly unvulcanised rubber provided with reinforcement cords, with a leading end of the strip or band from a starting position to an end position in a downstream direction, comprising:
- a frame;
a conveyor belt which runs over at least a first roller having a first axis of rotation and a second roller having a second axis of rotation, anda retaining unit provided with retaining means for retaining the strip or band onto the conveyor belt,wherein the frame is provided with the first roller, the retaining unit is displaceably mounted on the frame and provided with the second roller, the device is furthermore provided with tensioning means for keeping the conveyor belt tensioned during the displacement of the retaining unit, and the second roller has a first position with the second axis of rotation upstream from the starting position.
2 Assignments
0 Petitions
Accused Products
Abstract
The invention relates to a device (1) for picking up, displacing and placing a strip or band of flexible material (3) particularly unvulcanised rubber, more particularly unvulcanised rubber provided with reinforcement cords, comprising: a frame (15), a conveyor belt (7) which runs over at least a first (11) and a second (14) roller, and a retaining unit (8) provided with retaining means (9) for retaining the strip or band onto the conveyor belt, wherein the frame (15) is provided with the first roller (11), the retaining unit (8) is displaceably mounted on the frame (15) and provided with the second roller (14), and the device is furthermore provided with tensioning means (12,13) for keeping the conveyor belt (7) tensioned during the displacement of the retaining unit (8).
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Citations
49 Claims
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1. Device for picking up, displacing and placing a band or strip of flexible material, particularly unvulcanised rubber, more particularly unvulcanised rubber provided with reinforcement cords, with a leading end of the strip or band from a starting position to an end position in a downstream direction, comprising:
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a frame; a conveyor belt which runs over at least a first roller having a first axis of rotation and a second roller having a second axis of rotation, and a retaining unit provided with retaining means for retaining the strip or band onto the conveyor belt, wherein the frame is provided with the first roller, the retaining unit is displaceably mounted on the frame and provided with the second roller, the device is furthermore provided with tensioning means for keeping the conveyor belt tensioned during the displacement of the retaining unit, and the second roller has a first position with the second axis of rotation upstream from the starting position. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39)
wherein the device is placed for picking up the band from the supply device and bringing the end of the band past the cutting device and subsequently bringing the strip cut off by the cutting device from the end of the band on the discharge device, or bringing the end of the band on the discharge device.
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30. Assembly according to claim 27, wherein the placement unit comprises a conveyor belt having a conveyor member having a longitudinal axis parallel to the supply direction and having a feed side which, when the assembly is operative, is displaceable from the supply device to the discharge device.
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31. Assembly according to claim 27, wherein the retaining unit is displaceable parallel to the conveyor belt.
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32. Assembly according to claim 27, wherein the retaining unit has an end oriented towards the cutting device, which retaining unit is provided with the second roller, wherein the retaining unit is displaceable from a first position with the second roller upstream with respect to the cutting device to a second position with the second roller downstream past the cutting device.
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33. Assembly according to claim 32, wherein the supply device is provided with a supply surface on which a band can be supplied, preferably the supply device comprises a supply conveyor belt, and the second roller in the first position is above the supply surface, preferably just above the supply surface for taking off a band or strip therefrom.
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34. Assembly according to claim 32, wherein the supply unit is displaceable in line with respect to the supply device.
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35. Assembly according to claim 32, wherein the discharge device is provided with a discharge surface on which a strip or a component manufactured therefrom can be discharged, preferably the discharge device comprises a discharge conveyor belt, and the second roller in the second position is above the discharge surface, preferably just above the discharge surface for discharging a band or strip thereon.
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36. Assembly according to claim 32, wherein the first roller is positioned in line with respect to the second roller wherein a notional tangent line notionally contacting the first and second roller is substantially parallel to the supply surface.
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37. Assembly according to claim 32, wherein the first roller is positioned in line with respect to the second roller wherein a notional tangent line notionally contacting the first and second roller is substantially parallel to the discharge surface.
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38. Assembly according to claim 32, wherein the first roller is positioned downstream past the second position.
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39. Assembly according to claim 32, wherein the supply device is positioned with respect to the discharge device such that the supply direction is at an angle to the discharge direction.
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40. Assembly for producing a strip from a band of flexible material, particularly unvulcanised rubber, more particularly unvulcanised rubber provided with reinforcement cords, comprising:
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a cutting device for along a cutting line cutting off a strip from an end of the band; a supply device for in a supply direction supplying the band to the cutting device; a discharge device for in a discharge direction discharging the strip cut off by the cutting device; a pick-up and placement unit for picking up the band at its end from the supply device, subsequently passing the end of the band past the cutting device, and bringing the strip cut off from the end of the band by the cutting device on the discharge unit, or bringing the end of the band on the discharge unit, wherein the placement unit comprises a conveyor belt having a longitudinal axis parallel to the supply direction and displaceable parallel to its longitudinal axis and having an end that, when the assembly is operative, is at a first side of the cutting device prior to cutting and at the other side after cutting. - View Dependent Claims (41, 42, 43)
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44. Method for cutting strips from a band of flexible material, particularly unvulcanised rubber, more particularly unvulcanised rubber provided with reinforcement cords, comprising the steps:
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by means of a supply device supplying the band in a supply direction to a cutting device; by means of a device for picking up and placing a band of flexible material, picking up the strip upstream with respect to the cutting device from the supply device and passing it downstream past a cutting device; cutting off the strip from the band. - View Dependent Claims (45)
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46. Device for cutting a strip from a continuous band of unvulcanised rubber material, comprising a first and second cutting member, positioned for carrying out a cutting motion with respect to each other, a supply conveyor device for conveying the continuous band to the cutting members, and a displacement unit provided with a conveyor belt having a feed side, wherein the conveyor belt is positioned in a first position downstream past the cutting members, is provided with displacement means for displacing the feed side upstream in between the cutting members in an upstream position up to the supply conveyor device, and is provided with retaining means for in the upstream position of the feed side retaining the band on the conveyor belt and retaining it thereon while the conveyor belt returns to the first position.
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47. Device for picking up, displacing and placing a strip or band of flexible material, particularly unvulcanised rubber, more particularly unvulcanised rubber provided with reinforcement cords, with a leading end of the band or strip from a starting position to an end position, comprising:
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a frame; a conveyor belt which runs over at least a first roller having a first axis of rotation and a second roller having a second axis of rotation, and a retaining unit provided with retaining means for retaining the strip or band on the conveyor belt, wherein the frame is provided with the first roller, the retaining unit is displaceably mounted on the frame and is provided with the second roller, the device is furthermore provided with tensioning means for keeping the conveyor belt tensioned during the displacement of the retaining unit.
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48. (canceled)
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49. (canceled)
Specification