JP5316202B2 - Coil bundling method and coil bundling system - Google Patents

Description

  The present invention relates to a method of binding a coil obtained by winding a long plate-shaped member such as a thin steel plate using a coil dispensing device and a coil binding machine, and a coil binding system necessary for the method of binding the coil.

  When bundling a coil obtained by winding a long plate-shaped member such as a thin steel plate, a bundling operation is performed by combining a coil dispensing device and a coil bundling machine. The coil dispensing device is intended to rotate the coil and develop and dispense the coil outer diameter outer winding such as cutting the tail end of the coil product placed on the cradle roll (for example, Patent Document 1). After the coil is subjected to the necessary processing in the coil dispensing device, it is bound by a belt-like band and conveyed to the next process.

  In the coil dispensing device, when the coils are bundled manually, a cradle with a groove provided in the center of the roll surface so that the coil band bundling surface and the roll surface do not get pressed with the coil loaded on the roll. A roll (for example, Patent Documents 2 and 3) was used, and a band was manually passed through the groove, and the coil was bound with a binding tool.

  On the other hand, when performing automatic binding of coils to improve work efficiency, an automatic binding machine (for example, Patent Document 4) is arranged at a coil skid position dedicated to the automatic binding machine, and the coil on the cradle roll is moved to the coil skid position. Transfer and perform automatic binding.

  FIG. 6 shows an example of a coil dispensing device using a cradle roll. The coil 1 placed on the cradle roll 2 by the coil car 6 pays out the outer winding 4 as the cradle roll 2 is rotated by the motor 3. A pinch roll 7 is arranged on the downstream side of the coil dispensing device, and the outer winding 4 is transferred to the next process.

  FIG. 7 is a diagram for explaining the operation of the binding machine at the coil skid position dedicated to the automatic binding machine. The coil 1 transferred by the walking beam or the coil car 6 is placed on the coil skid 9 and then bound by a band 12 that passes through the inside of the shooter 8. The shooter 8 is configured so as to straddle the coil 1, and the lower end portion thereof includes a pair of left and right shooter moving portions 10 a and 10 b that are inserted through the coil skid 9 and moved in the horizontal direction by the shooter moving cylinder 11. When coil binding is performed, the belt-like band 12 is inserted into the shooter with the pair of left and right shooter moving portions 10a and 10b fitted.

No. 2833956 JP 2002-1430 A JP 2007-130648 A

  However, the coil payout device and the coil skid position dedicated to the automatic binding machine are generally arranged apart from each other in order to avoid interference when performing coil unloading and lifting using an overhead crane. In this case, a walking beam and a coil transfer facility such as a coil car are required, which causes restrictions on the facility layout of the factory and increases the equipment cost and basic cost.

  Therefore, an object of the present invention is to provide a coil bundling method and a coil bundling system capable of automatic coil bundling on a cradle roll.

The present invention achieves the above object by the following means.
1. A coil bundling method for bundling a coil placed on a cradle roll of a coil dispensing device with a coil bundling machine, wherein the coil bundling machine is configured so that the coil is placed before the coil is placed on the cradle roll. After the coil is placed on the cradle roll, the left and right shooters of the coil binding machine are wound around the outer periphery of the coil so that the belt-like band wraps around the entire outer periphery of the coil. A coil bundling method, wherein a coil is bound by bonding in a gap formed between a surface and a groove portion of the cradle roll and running a band-shaped band in the shooter.
2. A coil bundling system including a coil dispensing device and a coil binding machine, wherein the coil dispensing device has a pair of cradle rolls on which coils are placed, and the cradle rolls are arranged circumferentially on an outer peripheral surface thereof. The coil binding machine is provided with a groove portion having a certain depth, and the coil binding machine has a fulcrum at a position above the coils placed on the pair of cradle rolls. A pair of left and right arm-like shooters that form a loop, and the groove portion of the cradle roll has a width and a depth that allow the pair of left and right shooters to be inserted through the groove portion and fit. A coil bundling system comprising a coil dispensing device and a coil bundling machine.
3. The coil binding machine is supported by an advancing / retracting mechanism, and the advancing / retracting mechanism retracts the coil binding machine so that the coil can be placed on a cradle roll of a coil dispensing device when the coils are bound, and the coil is moved to the cradle. After being placed on the roll, it can be fitted in the groove of the cradle roll where the fulcrum of the pair of left and right arm-shaped shooters is above the coil and the left and right shooters are below the coil. 3. The coil binding system according to claim 2, wherein the coil binding machine is advanced to a certain position.

  According to the coil binding method using the coil binding system according to the present invention, stable automatic coil binding is possible with a relatively inexpensive equipment configuration, which is extremely useful industrially.

The figure explaining the principal part of the cradle roll and coil binding machine of a coil delivery apparatus. The figure which shows the AA cross section of FIG. The figure which has arrange | positioned the advancing / withdrawing mechanism which supports a coil delivery apparatus to the entrance side of a coil tail end process (recoiling line). The figure which shows schematic structure at the time of attaching a coil binding machine to an advancing / exiting mechanism. The schematic diagram explaining operation | movement of the advance and evacuation mechanism which supports a coil binding machine. The figure which shows an example of the coil delivery apparatus using the cradle roll which concerns on a prior art. The figure explaining the action | operation of a binding machine in the coil skid position only for automatic binding machines based on a prior art.

  In the present invention, when the coil placed on the cradle roll of the coil dispensing device is bound by the coil binding machine, the coil is placed so as not to interfere with the coil placement operation before the coil is placed on the cradle roll. Retract the binding machine. After the coil is placed on the cradle roll, the left and right shooters (sometimes referred to as a band running unit) of the coil binding machine are connected to the outer peripheral surface of the coil so that the belt-like band wraps around the entire outer periphery of the coil. Coiling is performed in a gap formed between the grooves of the cradle roll, and a band is run in the shooter to bind the coils. Hereinafter, the present invention will be described in detail with reference to the drawings.

  FIG. 1 is a schematic diagram viewed from the side of a coil 1 for explaining the main parts of a cradle roll and a coil binding machine 14 of a coil delivery device suitable for use in a method for binding coils according to the present invention. Shows a cross-sectional view taken along the line AA of FIG.

  A groove portion 23 having a certain depth in the circumferential direction is provided on the outer peripheral surface which is a central portion in the roll axis direction of the cradle roll 2, and the weight of the coil 1 is determined by both side portions 22 a and 22 b sandwiching the groove portion 23 of the cradle roll 2. To support.

  The groove 23 has a depth from the outer peripheral surface of the coil 1 to the roll inner diameter 21, and the shooter moving portion 10 a (10 b) is inserted into a space formed by the depth and the width of the groove 23. Are selected so that the roll strength does not decrease. In the example shown in FIG. 2, the depth is about 100 mm and the width is about 150 mm.

  Further, the shooter moving portion 10a (10b) is inclined downward so that the meshing portion 6 is at the lowest position so that the entry height of the shooter moving portion 10a (10b) to the cradle roll 2 is minimized and does not contact the coil 1. It is desirable to incline.

  After the shooter moving portions 10a and 10b mesh with each other, the binding band 12 is fed into the shooter from one of the openings of the shooters 8a and 8b above the coil 1, that is, the shooter 8b in FIG. The coil 1 is wound around the outer periphery of the coil 1 through the meshing portion 6, the shooter moving portion 10a, and the shooter 8a.

  According to the present invention, since the cross-sectional dimension of the groove portion is optimized, the shooter moving portions 10a and 10b do not interfere with the lower surface of the coil 1 and the roll surface 21, and band binding is possible.

  FIG. 4 shows a schematic configuration when the coil binding machine 14 having the main part related to the coil binding described above is attached to the advance / retreat mechanism 30. The advancing / retreating mechanism 30 includes a head 31 having fulcrum portions (hinge portions) (not shown in the drawing) of the shooters 8a and 8b attached between the two lifting guides 33 upright on the base 34. A head elevating air cylinder 32 that elevates and lowers according to the diameter is provided.

  The advancing / retreating mechanism 30 that supports the coil binding machine 14 is disposed adjacent to the roll conveying device 7 on the exit side of the coil tail end processing (recoiling line). The roll conveying device 7 includes a plate passing table 13 for passing a plate-like thin plate through the coil binding machine 14. The passing plate table 13 is a folding type that can be opened and closed by a hydraulic cylinder so as not to interfere with the coil binding machine 14.

  FIG. 5 is a schematic diagram for explaining the operation of the advancement / retraction mechanism 30 that supports the coil binding machine 14. The advancing / retracting mechanism 30 drives the advancing / retreating self-propelled wheel 36 via the chain 37 by the advancing / retracting drive motor 35 together with the coil binding machine 14 so that the coil 1 can be placed on the cradle roll 2 of the coil delivery device when the coils are bound. Then, after the coil 1 is placed on the cradle roll 2, the fulcrum of the pair of left and right arm-like shooters 8 is above the coil 1 and the left and right The shooter 8 advances to a position where it can be fitted in the groove of the cradle roll 2 below the coil 1.

  FIG. 3 shows a case where an advancing / retreating mechanism 30 that supports the dispensing device 14 is arranged on the entry side of the coil tail end processing (recoiling line).

  According to the present invention, since the shooter of the coil binding machine can travel through the passing space of the central groove portion of the cradle roll without contacting the cradle roll, stable automatic binding is possible.

  In addition, the automatic bundling machine body can be retracted from the cradle roll before and after automatic bundling, so it is possible to stably unload and lift the cradle roll with an overhead crane, such as large walking beams and coil cars. No coil transfer equipment is required.

DESCRIPTION OF SYMBOLS 1 Coil 2 Cradle roll 3 Motor 4 Plate-shaped thin plate 5 Passing plate table 6 Engagement part 7 Roll conveyance apparatus 8a, 8b Shutter 10a, 10b Shutter moving part 12 Binding band 13 Passing plate table 14 Coil binding machine 21 Roll inner diameter 22a, 22b Both sides Part 23 groove part 30 advance / retreat mechanism 31 head 32 head lift air cylinder 33 lift guide 34 base 35 advance retreat drive motor 36 advance retreat self-propelled wheel 37 chain

Claims (3)

  A coil bundling method for bundling a coil placed on a cradle roll of a coil dispensing device with a coil bundling machine, wherein the coil bundling machine is configured so that the coil is placed before the coil is placed on the cradle roll. After the coil is placed on the cradle roll, the left and right shooters of the coil binding machine are wound around the outer periphery of the coil so that the belt-like band wraps around the entire outer periphery of the coil. A coil bundling method, wherein a coil is bound by bonding in a gap formed between a surface and a groove portion of the cradle roll and running a band-shaped band in the shooter. A coil bundling system comprising a coil dispensing device and a coil bundling machine,
The coil dispensing device has a pair of cradle rolls on which coils are placed. The cradle roll includes a groove portion having a constant depth in the circumferential direction on the outer peripheral surface thereof, and the coil binding machine includes the pair of cradle rolls. The cradle has a pair of left and right arm-like shooters that form a loop on the outer periphery of the coil when the coil is bound with a belt-like band, with the position above the coil placed on the cradle roll of Coil bundling comprising a coil dispensing device and a coil bundling machine, characterized in that the groove portion of the roll has a width and depth that allow the pair of left and right shooters to be inserted through the groove portion and to be fitted together system.   The coil binding machine is supported by an advancing / retracting mechanism, and the advancing / retreating mechanism retracts the coil binding machine so that the coil can be placed on a cradle roll of a coil dispensing device when the coils are bound, and the coil is After being placed on the cradle roll, it fits in the groove of the cradle roll so that the fulcrum of the pair of left and right arm-like shooters is above the coil and the left and right shooters are below the coil. The coil binding system according to claim 2, wherein the coil binding machine is advanced to a possible position.

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