JPH0625249U - Film winder - Google Patents

Abstract

(57) [Abstract] [Purpose] An object of the present invention is to provide a winding device that winds a substrate wound around a winding core firmly so that the substrate does not shift. A film winding device in which an active winding core 3 and a backup winding core 3 provided on a turret can be exchanged by rotating the turret without interrupting the winding operation. Base material 8 during winding of take-up core 3
A braking device 9 for applying a brake to tightly wind the base material 8 is provided on the touch roll 7 that comes into contact with the outer periphery of the touch roll 7 and discharges the interlayer air.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a film winding device, and more particularly to a braking device for tightly winding a substrate.

[0002]

[Prior art]

 FIG. 2 is a block diagram of a commonly used turret type winding device, in which the winding core 3 is not shown between the opposite ends of two first arms 2 extending from both sides of the turret shaft 1 in both directions. It is rotatably held by the device.

Further, two second arms 4 are respectively extended from both sides of the turret shaft 1 in a direction perpendicular to the first arm 2, and a guide roll 5 is freely rotatable between opposed ends of the second arm 4. Held in.

Further, a third arm 6 having substantially the same length as the first arm 2 is rotatably held from both sides of the turret shaft 1, and a touch roller 7 is provided between opposite ends of the third arm 6. Is rotatably held, and the opposing third arm 6 elastically presses the base material 8 being wound toward the first arm 2 by an elastic member (not shown) such as a spring toward the center of the winding core 3. Then, the air between the layers of the base material 8 that has been wound up is expelled.

[0005]

[Problems to be solved by the device]

 However, depending on the thickness and hardness of the base material 8 to be wound up, the outer diameter of the final winding, and the like, an air layer will remain with the pressing force of the above degree, and the base material 8 will not be removed when the winding-completed core is removed. It may shift. If this happens, the core of this winding completion cannot be used as it is in the next process, and it is necessary to correct it by some method.

An object of the present invention is to provide a device for winding tightly so as not to cause the displacement of the base material of the core after the winding is completed.

[0007]

[Means for Solving the Problems]

 In order to solve the above-mentioned problems, the film winding in which the current winding core 3 provided in the turret and the auxiliary winding core 3 can be exchanged by rotating the turret without interrupting the winding operation In the apparatus, a braking device 9 for applying a brake to wind the base material 8 tightly is provided on the touch roll 7 for contacting with the outer periphery of the base material 8 during winding of the active winding core 3 and discharging the interlayer air. It is a thing.

[0008]

[Action]

 As described above, by braking the touch roll 7, the already wound base material 8 is wound up by the drive device of the winding core 3 between the touch roll 7 and the central winding core 3. Not only does the air between the layers be expelled, but the friction between the layers of the base material 8 also increases, and the base material does not shift even when the core after winding is removed.

[0009]

【Example】

 FIG. 1 is a configuration diagram of a touch roll of the present invention, which is a partial side view of the turret shaft as viewed in the winding core direction during winding. The conventional touch roll 7 is elastically held by the turret shaft 1 so as to be elastically pressed by the elastic member 10 in the direction of the winding core 3. The shaft 6a between the third arms 6 is attached to the third arm 6. The touch roll 7 is rotatably held by the shaft 6a fixed to the third arm 6 or is rotatable, but the touch roll 7 of the present invention is fixed to the shaft 6a. The shaft 6a is rotatably held by the third arm 6. In this case, a braking device 9 holds between the shaft 6a and the third arm 6.

The braking force of the braking device 9 may be a weak braking force, and for example, an electromagnetic braking device or a magnet braking device is configured so that the braking force can be easily adjusted.

Next, the operation of this device will be described. When the take-up core 3 is driven and wound while the touch roll 7 is being braked, a force is applied to the taken-up base material 8 between the touch roll 7 and the central take-up core 3. It is generated and the base material 8 is wound tightly.

Since this braking force can be adjusted to an optimum value depending on the material and thickness of the base material 8 or the winding amount, it is possible to prevent winding that is too hard.

[0013]

[Effect of device]

 As described above, when the core that has been wound up is removed or when the core is moved after the removal, the base material shift does not occur, and it is not necessary to correct the shift of the core that the base material 8 has shifted.

[Brief description of drawings]

FIG. 1 is a configuration view of a touch roll of the present invention, which is a partial side view of a turret shaft as viewed from a winding core direction during winding.

FIG. 2 is a configuration diagram of a generally used turret type winding device.

[Explanation of symbols]

 1 Turret Shaft 2 First Arm 3 Winding Core 4 Second Arm 5 Guide Roll 6 Third Arm 6a Shaft 7 Touch Roll 8 Base Material 9 Braking Device 10 Elastic Member

Claims (1)

[Scope of utility model registration request] 1. A film winding device in which an active winding core and a backup winding core provided on a turret can be replaced by rotating the turret without interrupting the winding operation. A film winding characterized by providing a braking device for applying a brake to tightly wind the base material on a touch roll for discharging interlayer air by contacting the outer periphery of the base material during winding of the winding core. apparatus.