摘要:
A front winding base frame (1A) and a rear winding base frame (1B) are respectively provided with winding arms (3A and 3B) that hold winding shafts (4A and 4B) so as to be capable of ascending and descending vertically, and the winding arms (3A and 3B) are attached to the front winding base frame (1A) and the rear winding base frame (1B) so as to be capable of being exchanged between the front winding base frame (1A) and the rear winding base frame (1B). A front-side touch roller frame (13A) and a rear-side touch roller frame (13B) are respectively provided with touch rollers (16A and 16B) so as to be capable of ascending and descending vertically, and the touch rollers (16A and 16B) are attached to the front-side touch roller frame (13A) and the rear-side touch roller frame (13B) so as to be capable of being exchanged between the front-side touch roller frame (13A) and the rear-side touch roller frame (13B). In this winder, the winding shaft (4A or 4B) while being in pressure contact with the touch roller (16A) is passed on from the front winding base frame (1A) to the rear winding base frame (1B).
摘要:
Device and method for changing film rolls, with apparatus for holding a first film roll in a working position in which film can be pulled off and separated from the film roll as desired, and holding a second film roll in a standby position. The second film roll can be moved from the standby position into the working position, with the first film roll being removable from the working position by moving the second film roll.
摘要:
A belt replacement device may include: a base portion having a belt placed thereon, the belt being wound in a roll shape; a rotating portion mounted on the base portion, and rotating the belt wound in a roll shape; a transporting portion holding and transporting the belt passed through the rotating portion; a guide portion guiding the belt discharged through the transporting portion; and a loading portion to which the belt dropped from the guide portion is loaded, and the belt replacement device can improve winding workability for the belt.
摘要:
A belt replacement device may include: a base portion having a belt placed thereon, the belt being wound in a roll shape; a rotating portion mounted on the base portion, and rotating the belt wound in a roll shape; a transporting portion holding and transporting the belt passed through the rotating portion; a guide portion guiding the belt discharged through the transporting portion; and a loading portion to which the belt dropped from the guide portion is loaded, and the belt replacement device can improve winding workability for the belt.
摘要:
An unwinding device for rolls of paper or cardboard has a pair of stands which are movable toward and away form one another on release by motors which have sprockets engaging nontraveling chains fixed at their ends relative to the rails. The stands have bearing housings displaceable vertically thereon and carrying heads engaging in the roll and vertically shifted by piston-and-cylinder assembly in the plane of the uprights of the stand.
摘要:
The present invention relates to a w winder (1) for winding a web roll (2) from a fibrous web such as a paper web or a web of non-woven 12 material paper (2). The winder (1) comprises two support rolls (3, 4) for supporting the web roll (2) during reeling and a core shaft (5) for winding the paper reel (2). At each longitudinal end of the core shaft (5), there is a carrier chuck (6) in which the core shaft (5) is rotatably journalled. The carrier chucks to are arranged to be movable in a frame towards or away from the support rolls (3, 4) and a rider roll (8) is arranged to be capable of acting against the web roll (2) being wound. The rider roll (8) is carried by a rider roll beam (9) and the rider roll beam (9) is arranged to be movable in the frame (7) such that the rider roll (8) can be moved towards or away from the support rolls (3, 4). There is at least one actuator (10) for moving the rider roll beam (9) towards or away from the support rolls (3, 4); and at least one load cell (12) arranged to detect the force between the rider roll (8) and the web roll (2). The winder (1) also comprises at least one actuator (11) for moving the carrier chucks (6) of the core shaft (5) independently of the rider roll beam (9) and the winder (1) comprises at least one load cell (13) arranged to detect the force with which the carrier chucks (6) act on the core shaft (5). The winder (1) also comprises a logic control system (14) connected to the load cells (12, 13) such that the logic control system (14) receives measured values for the force between the web roll (2) and the rider roll (8) and the force with which the carrier chucks (6) act on the core shaft (5). The logic control system (14) is programmed to control movement of the carrier chucks (6) and the rider roll beam (9) such that the sum of the forces detected from the load cells (12, 13) and the force resulting from a calculated weight of the web roll (2) corresponds to a set value for the force between the web roll (2) and the support rolls (3, 4). The invention also relates to a corresponding method for operating the winder.
摘要:
A reel unwinder including a first unwinding position, in which a first reel is positioned; a second unwinding position, to which the first reel is transferred when it is replaced with a second reel; a stand-by position, in which the second reel is kept in stand-by; a first unwinding member adapted to start rotation of the second reel when the first reel is replaced with the second reel. Moreover, the unwinder includes a second unwinding member, with at least one endless flexible element. The endless flexible element extends from the first unwinding position to the second unwinding position, and is adapted to maintain the first reel in contact with the second unwinding member and in rotation by the second unwinding member in the first unwinding position, in the second unwinding position and while it is being transferred from the first unwinding position to the second unwinding position.