JPH0564155U - Unwinder for sheet material - Google Patents

Abstract

(57) [Summary] [Purpose] The object of the present invention is to easily and quickly perform the centering operation of the sheet roll and the chuck.
In addition, it is necessary to narrow the passage along which the transport vehicle travels and to improve the response of the meandering correction. A support frame 2 is mounted on a machine frame 1 so as to be able to move up and down, and support bodies 6 and 7 having chucks 8 and 9 on the support frame 2 and a roll mechanism 12 for guiding a sheet are provided by an actuator 14. The sheet-like material 51 is integrally mounted movably in the width direction, and the sheet-shaped material guiding roll mechanism 12 is equipped with the end detecting device 19.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an unwinding machine for delivering a sheet-like material from a sheet roll obtained by winding a sheet-like material such as a synthetic resin film, paper or aluminum foil.

[0002]

[Prior Art]

 Generally, when a sheet material such as a wide synthetic resin film, paper or aluminum foil is supplied to a slitter device to slit into a plurality of narrow sheet materials, or the sheet material is supplied to a laminating device to laminate the sheet material. When forming a product, a sheet roll having a sheet-like product wound around a core is rotatably mounted on an unwinder, and the sheet-like product is drawn from the sheet roll 50 and supplied. As such an unwinder, a movable support base plate 42 having a member engaging with a rail 41a formed on a base 41 as shown in FIG. 4 is attached so as to move in the left-right direction in the figure, and the movable support base is attached. The first drive device 47 is connected to the plate 42, and the pair of support members 43 and 44 having the chucks 45 and 46 are moved on the rail 42a formed on the movable support base plate 42 in the left-right direction in the drawing. The right screw formed on one end of the rod 48 rotatably attached to the movable support base plate 42 is attached to the support member 43, and the left screw formed on the other end is attached to the support member 44. The shaft 48 is rotated by the second drive device 49.

Further, a roll mechanism for guiding the sheet-like material and an end detecting device (not shown) are installed at positions apart from the unwinder.

The movable support base plate 42 is moved in the left-right direction in the drawing by the above-mentioned first drive device 47 to perform the operation of aligning the unwinding center of the sheet roll 50, and the second drive device 49 is used to move the shaft rod 48. Is rotated in the normal direction or in the reverse direction to move the chucks 45, 46 together with the support members 43, 44 in a direction in which they approach each other or in a direction in which they separate from each other, so that the dimension adjustment operation in the width direction of the sheet roll 50 is performed. Further, when the sheet roll 50 is supplied to the chucks 45 and 46, the sheet roll 50 is moved up and down by an elevating mechanism installed in a transport carriage (not shown) to perform an axial centering operation with the chucks 45 and 46. ..

[0005]

[Problems to be solved by the device]

 A first object of the present invention is that the unwinder does not have a chuck elevating mechanism. Therefore, in order to feed sheet rolls having different diameters, an elevating mechanism and a drive control device for aligning the transport carriage with each other. This means that the entire carriage must be installed, and the total weight of the carriage will be heavy, requiring a large number of workers to carry it.

The second problem is that the roll mechanism for guiding the sheet-like object and the end portion detection device are installed at a position apart from the unwinder, so that the response of the meandering correction is poor. ..

[0007]

[Means for Solving the Problems]

 In order to solve the problem, a sheet-shaped material unwinder of the present invention is configured such that a support member is screwed to an axial rod rotatably attached to a movable member, and the movable member is attached to a support frame member to form a sheet-shaped object. Movably mounted in the width direction of the sheet-shaped article, and the shaft rod is connected to a drive device installed on a movable member to expand and contract the support body in the width direction of the sheet-shaped article, and the roll mechanism for internal use of the sheet-shaped article Is connected to a movable member that is moved by an actuator installed on the support frame, and is moved in the width direction of the sheet-like material.

[0008]

【Example】

 1 is a schematic front view showing one embodiment of a sheet-like material winding machine of the present invention, FIG. 2 is a view taken along the line XX in FIG. 1, and FIG. 3 is a view taken along the line YY in FIG. In the figure, reference numeral 1 is a machine frame installed at a predetermined interval in a direction orthogonal to the conveying direction of the sheet 51, and the rail 1a is formed in a vertical state. Reference numeral 2 denotes a support frame body that is attached to a rail 1a of the machine frame 1 so as to be able to move up and down. A pair of first rails is provided on the side opposite to the sheet roll support side of the support frame body 2 so as to have a predetermined vertical interval. A pair of second rails 2b are provided on the side of the support frame 2 on which the sheet roll is supported, and a pair of second rails 2b are provided on the upper side of the support frame 2 with a predetermined spacing on the same axis. Three rails 2c are formed. Reference numeral 3 denotes an elevating device installed below the support frame body 2, and a screw body 3 a is screwed to the support frame body 2. Then, when the screw body 3a of the elevating device 3 is normally or reversely rotated, the support frame body 2 is moved up or down. Reference numeral 4 denotes a movable member movably attached to the first rail 2a of the supporting frame body 2. The bearing 4a is integrally formed with the shaft portion of the shaft rod 5 so as to be rotatably supported. A right screw is formed on one end of the shaft rod 5, and a left screw is formed on the other end. Reference numerals 6 and 7 denote a pair of supports movably attached to the second rail 2b of the support frame 2. The support 6 is a right screw of the shaft rod 5, and the support 7 is a left screw of the shaft rod 5. It is screwed on. A chuck 8 is rotatably attached to the support 6 and a chuck 9 is rotatably attached to the support 7. The chuck 8 is equipped with a brake 10 for adjusting the tension when the sheet material 51 is delivered from the sheet roll 50, and the chuck 9 is equipped with a fluid cylinder 11 for gripping operation. A sheet guide roll mechanism 12 is movably attached to the third rail 2c of the support frame 2, and is integrally connected to the movable member 4 by a connector 13. Reference numeral 14 is an actuator composed of an electric cylinder or the like attached to the machine frame 1, and includes a DC motor, a screw shaft, an output rod 14a, and the like. When the screw shaft is normally rotated or reversely rotated by the DC motor, the rod 14a screwed to the screw shaft is projected or retracted. The rod 14a is connected to the movable member 4. Reference numeral 15 is an electric motor attached to the movable member 4, and a sprocket wheel 16 is attached to the output shaft. Reference numeral 17 is a sprocket wheel attached to the shaft portion of the shaft rod 5, and 16 is a chain stretched between the sprocket wheels 16 and 17. When the shaft 5 is rotated in the forward or reverse direction by the operation of the electric motor 15, the supports 6 and 7 move in the direction of approaching or in the direction of separating. Reference numeral 19 denotes an end detection device attached to the bearing portion of the sheet guide roll mechanism 12, and operates the actuator 14 when the end on one side of the sheet-like material 51 is no longer detected. Therefore, when the sheet-like object 51 meanders and one of the end detecting devices 19 does not detect one end of the sheet-like object 51, the actuator 14 is immediately activated to cause the rod 14a to project, or , The support members 6 and 7, and the sheet guide roll mechanism 12 are retracted and moved together with the movable member 4 in the upward direction or the downward direction in FIG.

The lifting device 3, the fluid cylinder 11, the actuator 14, and the electric motor 15 are signals from an end detection device 19, a motion detector (not shown), a control device (not shown) such as a microcomputer, or the like. , It is configured to operate based on the signal input by the operator.

The supply of the sheet roll to the above-mentioned unwinder and the meandering correction operation will be described.

First, the width dimension of the sheet roll 50, the unwinding center position of the sheet-like material 51, the feeding tension of the sheet-like material 51, etc. are set and input to a control device (not shown), and the meandering correction is performed. The edge detection device 19 for setting is set at a predetermined position. In addition, the sheet roll 50 is placed on a carrier (not shown). When these are ready and the start button of the control device (not shown) is pressed, the actuator 14 is actuated to move the support members 6 and 7 and the sheet guide roll mechanism 12 together with the movable member 4, and the chucks 8 and 9 are moved. The center position in the width direction for gripping the sheet roll 50 is adjusted to the preset unwinding center position of the sheet material 51 by. Next, when the electric motor 15 is actuated to rotate the shaft rod 5 and the supports 6 and 7 move to a gripping position corresponding to a preset width dimension of the sheet roll 50, a transport carriage (not shown) is supplied with the sheet roll. Transport to position. Then, the elevating device 3 is operated to lower the support bodies 6 and 7 and the sheet guide roll mechanism 12 together with the supporting frame body 2, and when the axis of the sheet roll 50 and the axis of the chucks 8 and 9 coincide with each other, the elevating device 3 To stop.

As described above, since the support bodies 6 and 7 having the chucks 8 and 9 are moved up and down together with the support frame body 2 to align the axes of the chucks 8 and 9 and the sheet roll 50, the diameter dimension of the sheet roll 50, The axis centering operation can be performed easily and quickly regardless of the height dimension of the mounting portion of the carrier vehicle (not shown).

When the above-mentioned axis centering operation is completed, the fluid cylinder 11 of the chuck 9 is operated to project the chuck 9 together with the piston rod, and the sheet roll 50 is gripped by the chucks 8 and 9 from both sides. When these sheet rolls 50 have been received, the elevating device 3 is operated to raise the support frames 2 and the supports 6 and 7 and the sheet guide roll mechanism 12, so that the sheet roll 50 moves to the sheet-like object 51. When it is moved to the unwinding position, the transporting carriage (not shown) is transported from the sheet roll supply position of the unwinder to the storage position of the sheet roll 50. When these sheet rolls 50 have been supplied, the sheet-like material 51 is pulled out from the sheet roll 50 and is rolled over the roll 12a of the sheet guide roll mechanism 12 and the slitter device (not shown). The unwinding operation of the material 51 is started. Then, when meandering occurs during the unwinding operation of the sheet-like material 51 and one of the edge detecting devices 19 no longer detects the edge of the sheet-like material 51, the actuator 14 is activated immediately and the movable member 4 is moved. At the same time, the supports 6 and 7 are moved so that the sheet roll 50 gripped by the chucks 8 and 9 and the sheet-like material 51 hung on the sheet guiding roll 9 are moved in the width direction.

The above-described actuator 14 can be used not only as a meandering correction but also as an oscillation.

[0015]

[Effect of the device]

 In the sheet-shaped material unwinder of the present invention, the support body is screwed to the shafts rotatably mounted on the movable member, respectively, and the movable member is movable in the width direction of the sheet-shaped material on the support frame body. Mounted on the movable member, the shaft rod is connected to a driving device installed on the movable member to expand / contract the support member in the width direction of the sheet-like object, and the roll mechanism for guiding the sheet-like object is attached to the supporting frame body. Since it is configured to move in the width direction of the sheet-like object by connecting it to the movable member that is moved by the actuator installed in the, the weight of the carrier is light because the lifting mechanism is not installed in the carrier. The sheet can be easily transported by hand, and when the sheet is meandered, the sheet can be immediately moved together with the sheet roll, and the response of the meandering correction can be improved.

[Brief description of drawings]

FIG. 1 is a schematic front view showing an embodiment of a sheet-shaped material unwinder of the present invention.

FIG. 2 is a view on arrow XX in FIG.

FIG. 3 is a view taken along the line YY in FIG.

FIG. 4 is a schematic view showing an example of a conventional unwinder.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Machine frame 2 Support frame 3 Lifting device 4 Movable member 5 Axle rod 6,7 Support body 8,9 Chuck 10 Brake 11 Fluid cylinder 12 Sheet guide roll mechanism 13 Connection body 14 Actuator 15 Electric motor 16, 17 Sprocket wheel 18 Chain 19 Edge detection device

Claims (1)

[Scope of utility model registration request] 1. A support frame is mounted on a machine frame so as to be able to move up and down, and a pair of supports having a chuck on the support frame and a roll mechanism for guiding a sheet-like material are movable in a width direction of the sheet-like material. In the unwinder which is mounted so that the support and the sheet-like material guiding roll mechanism can be independently moved, respectively, the support is screwed to shaft rods rotatably mounted to the movable member, The movable member is mounted on a support frame so as to be movable in the width direction of the sheet-like object, and the shaft rod is connected to a driving device installed on the movable member to expand and contract the support body in the width-wise direction of the sheet-like object. At the same time, the sheet-shaped article guiding roll mechanism is connected to a movable member that is moved by an actuator installed in the support frame so that the sheet-shaped article can be moved in the width direction. Unwinder.