JPH0771970B2 - Coil material vertical pallet - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of use] The present invention relates to a pallet for supporting a coil material in an upright state (hereinafter referred to as a vertical state).

[Problems to be Solved by Prior Art and Invention]

In a press line, a coil material is unwound in an uncoiler, straightened by a leveler feed, and then supplied to a press. As the coil material used in this press line, a long thin plate material is wound in a coil shape and tightened with a wire or the like so as not to loosen. Conventionally, as shown in FIG. 10, a saddle 2 is bitten near the uncoiler to arrange the coil materials W in a vertical position, or as shown in FIG. It is common to stack them horizontally. If necessary, the coil material is hoisted by a crane and directly mounted on the mandrel of the uncoiler, or it is carried by the crane on a coil car, and then hoisted again by the crane and mounted on the mandrel. However, conventionally, the coil material is
In the case of horizontal installation as shown in Fig. 11, when the crane is hoisting, the work of passing the chain through the hollow part of the coil material is troublesome, and the hoisting height takes a lot of time.
There was a problem that it was troublesome and the workability was poor. Further, when the coil material is vertically installed as shown in FIG. 10, the side surface of the coil material is not supported, so that there is a problem that stability is poor and dangerous.

The present invention has been made in view of the above problems of the prior art,
The purpose of this is a coil material vertical pallet that has good stability of the supported coil material, and particularly good workability for safe and functional storage, transfer, transportation and attachment / detachment to / from the uncoiler in an automated press facility. To provide.

[Means for Solving the Problems]

In order to achieve the above object, in a coil material vertical pallet according to the present invention, a frame-shaped frame having a pair of opposing side frames and both ends supported by the side frames are arranged at a predetermined interval. The pair of front and rear horizontal carrying rollers, and the left and right sides of the coil material vertically supported by the horizontal carrying rollers, which are pivotally attached to the side frames at the outer side positions of the pair of carrying rollers and extend upward. And four side support arms for supporting the surface.

Further, in claim (2), the two front supporting arms and the two rear supporting arms can be interlocked with each other and can be tilted about the pivot, so that the arms can be held in the open leg at an arbitrary angle.

Further, in claim (3), the side support arm is screw-fastened at both ends to a horizontal support shaft, which is a pivot supported between the opposing side frames, and is integrated with the horizontal support shaft. The distance between the left and right side support arms can be adjusted by changing.

[Action]

A pair of horizontal carrying rollers that carry the arc-shaped outer peripheral surface of the coil material restrain the front and rear direction of the coil material, and four sides that respectively support the left and right side surfaces of the coil material at positions outside the two carrying points in the separating direction. The support arm prevents the coil material from falling sideways. The side support arm is opened at an arbitrary angle according to coil materials having different outer diameters, and the opened state is maintained. It is possible to support coil materials having different coil widths by adjusting the distance between the side support arms facing each other on the left and right.

〔Example〕

 Next, an embodiment of the present invention will be described with reference to the drawings.

1 to 6 show an embodiment of the present invention.
The figure is a front view of a vertical pallet for coil material, Fig. 2 is a right side view of the pallet, Fig. 3 is an enlarged exploded perspective view of a horizontal support shaft, and Fig. 4 is an enlarged sectional view of a horizontal support shaft. Is a front view of the horizontal support portion, and FIG. 6 is a sectional view taken along line VI-VI shown in FIG.

In these figures, reference numeral 100 is the left and right facing side frames 102a, 10a.
2b is a gantry formed in a rectangular frame shape by being connected by front and rear horizontal frames 104a, 104b. A pair of horizontal carrying rollers 106a, 106b is arranged between the side frames 102a, 102b so as to be separated from each other by d _{1 in the} front-rear direction, and the coil material W is placed vertically on the carrying rollers 106a, 106b. It is supposed to be placed. The size of the front-rear separation distance d ₁ between the carrying rollers 106a and 106b is set to an appropriate distance for carrying coil materials having different coil diameters from a new large-diameter coil material W'to a small-diameter coil material W "in use. Further, horizontal support shafts 110 and 110, which are supported at both ends by the side frames 102a and 102b and extend parallel to the carrying rollers, are arranged at positions outside the carrying rollers 106a and 106b in the separating direction. Two side support arms 120, 120 are respectively integrated with the shafts 110, 110 by screws 124.

The side support arm 120 is a long member 121 having a U-shaped cross section,
The bracket 122 having the shaft insertion hole 123 is integrally welded, and the horizontal support shaft 110 is inserted into the shaft insertion hole 123. A groove 112 extending in the axial direction is bored in the horizontal support shaft 110,
A fixing screw 124 provided on the side support arm side bracket 122 extends into the groove 112, and the side supporting arm 120 and the horizontal support shaft 110 are connected and integrated by the fixing screw 124.
When the fixing screw 124 is loosened, the side support arm 120 can slide along the horizontal support shaft 110 (groove 112), and the position of the horizontal support arm 120 can be adjusted, that is, the left and right horizontal support arms 120, 120.
Adjustment of the distance between can be made. The inner end surface of the upper end of the side support arm 120 is notched outward in the left-right direction (left-right direction in FIG. 2) as indicated by reference numeral 121a in FIG. 2, and the lower end of the coil material W lifted by the crane is The coil material can be smoothly housed between the side support arms 120, 120 without interfering with the upper ends of the side arms.

The horizontal support shaft 110 has a bearing 13 at a portion penetrating the side frames 102a and 102b.
Supported by 0. That is, a groove is formed at the end of the support shaft 110.
The disc body 126 is fixed by 111a and the key 111b,
The bearing 130 includes a shallow horizontally long casing 132 and donut disc-shaped brake shoes 134a and 134b that are housed in the casing 132 and sandwich the front and back surfaces of the disc 126. The casing 132 is fixed to the side frame 102 with a fixing screw 136 and a nut 137, and a disc spring 138 is interposed between the bottom surface of the casing 132 and the screw head.
The brake shoe 134 is elastically supported on the casing 132, and thereby the disc body 126 integrated with the horizontal support shaft 110 is attached to the brake shoe 134.
An appropriate frictional force due to a, 134b acts. That is, the brake shoes 134a and 134b acting on the disc body 126
The frictional force due to holds the side support arm 120 screwed to the horizontal support shaft 110 at a predetermined inclined position, and
By rotating the side support arm 120 with a force equal to or greater than the frictional force acting on the disc body 126, the tilted state of the side support arm 120 can be adjusted.

Reference numeral 140 (see FIG. 3) is an operation lever for opening a side support arm that is fixedly installed on the horizontal support shaft 110, and is operated by pushing the telescopic rod 141 of the fluid pressure cylinder (not shown) upward from below. Since the lever 140 swings and the side support arm 120 is opened, the side support arm 120 is opened immediately before the coil material is lifted by the crane to lift the coil material and hang it on the pallet. Since the length of the side support arm 120 is long,
It is also possible for an operator to perform a tilting operation of the arm 120 by holding the tip of the arm 120.

In this way, coil materials with different coil widths and coil diameters are stored and held in the pallet one by one in a stable vertical state, and by arranging them in order, the storage space for the coil material can be reduced, and the crane can be used. The coil material is easily transported, such as the coil material lifting operation.

Further, this coil material vertical pallet can be used for an automatic coil material loading / unloading device for an uncoiler mandrel in an automated press facility, which will be described with reference to FIGS. 7 to 9. .

FIG. 7 is a front view of a device for automatically loading and unloading coil material from an uncoiler in an automated press facility, FIG. 8 is a plan view of the device, and FIG. 9 is a left side view of the device. .

In these drawings, reference numeral 10 is an uncoiler for unwinding the coil material, and a mandrel 12 for supporting the hollow portion of the coil material W.
Are supported by the frame 14 and extend horizontally. Reference numeral 16 is a coil retainer, which unwinds the coil material W by the counterclockwise rotation of the mandrel 12 in FIG. 7 and sends it out forward. The symbol w indicates the coil material being sent out. The frame 14 has a gate-like shape in which a peripheral region of the mandrel 12 is largely opened so that it does not interfere with a second carriage 90 described later.

Reference numeral 20 is a leveler feed for correcting the curl of the unwound coil material w of the uncoiler 10 and delivering the coil material w to the front press 30 at a constant timing.

Reference numeral 30 indicates upper and lower molds 32 (upper mold 32a, lower mold 32 which face each other.
b) and presses the coil material w sent from the leveler feed 20. The uncoiler 10, the leveler feed 20, and the press 30 are arranged in series to form the press lines L ₁ , L ₂ ... ing.

Reference numeral 40 denotes a coil material vertical pallet (hereinafter referred to as a coil pallet) that stores and supports the coil material W in a vertical state. Each coil pallet 40 stores and holds coil materials W _{1 to} W ₃ having different widths. It is stored in the storage room of warehouse 60.

Reference numeral 50 indicates a mold 32 (32a, 32a) as shown in FIG.
In a frame-shaped mold pallet for storing b), the mold 32 is carried on a carrying roller 52 provided on the upper surface of the pallet 50 and positioned and fixed by a hook (not shown).

Near the uncoiler 10, the press lines L ₁ and L ₂ extend in a direction orthogonal to the extending direction, and a warehouse 60 composed of multiple floors is provided. On each floor of the warehouse 60, as shown in the figure, A large number of compartments 62 partitioned by a frame-shaped partition 61 are formed.
And in each of these compartments 62, pallets 40 and 50 in which the coil material W (W _{1 to} W ₃ ) and the mold 32 are stored are accommodated.

A pair of rails 72, 72 are laid along the warehouse 60 between the warehouse 60 and the uncoiler 10, and a rectangular frame-shaped crane 70 can travel on the rails 72. Reference numeral 76 is a guide rail extending along the ceiling side wall of the warehouse 60, and the ceiling of the crane 70 is provided with guide rollers 77, 77 engaging with both sides of the guide rail 76. The crane 70 is provided with a lifting platform 74 on which a first carriage 80, which will be described later, can be placed. Therefore, the crane 70 travels along the warehouse 60 to an arbitrary position and raises and lowers the lifting platform 74 to move the first platform. The cart 80 can be raised to a predetermined height corresponding to any compartment 62. Then, the coil pallet 40 containing the coil material in the warehouse or the mold pallet 50 containing the mold can be slid to be positioned on the first carriage 80. The loading of the coil material storage pallet into the first carriage 80 is performed by, for example, the push-pull tow arm provided on the carriage 80.
82a. A rail 72, which is the traveling path of the crane 70, is laid below the floor surface F, and a rail 84, which is the traveling path of the first carriage 80, is formed on the lifting platform 74. Further, a rail 94 is laid along the press lines L ₁ , L _2, ..., The rail 84 is connected to the rail 94, and the first trolley is used.
80 exits from inside the crane 70 and presses on rail 94
It can run along L ₁ , L ₂ ….

The first trolley 80, on which the coil pallet 40 and the mold pallet 50 are placed and which is self-propelled to a predetermined position in front of the uncoiler 10 and the press 30, mainly includes a body frame 82 and wheels 83.
The body frame 82 is provided with a tow arm 82a that can slide in the longitudinal direction of the bogie.
0 Slide in or pallet 4 on trolley 80
Push 0 to slide it out into the compartment 62.

A part of the rail 94 is divided in a predetermined area in front of the uncoiler 10, and the divided rail 94a is used as the second carriage 90.
It is laid on top. That is, a recessed area 100 is formed in front of the uncoiler 10, rails 104, 104 orthogonal to the rails 94, 94 are laid here, and the second carriage 90 can travel on the rail 104. This second carriage 90 has a built-in vertical lifting mechanism 102, and the first carriage 80 is mounted on rails 94a, 94a.
Can be moved up and down with the
The height of the coil material W on the pallet can be adjusted with respect to the ten mandrels 12.

In addition, from the press 30, as shown in FIG.
A transport conveyor 114 orthogonal to 94 is laid. The transfer conveyor 114 has a structure in which a large number of transfer rollers 115 are linearly arranged, and the transfer conveyor 114 is disposed so as to pass through the lower die mounting table 34 in the front-rear direction, and is kept parallel by an elevating mechanism (not shown). The structure is such that the lower mold 32b can be lifted while holding it and held. A die push-pull arm 116 that expands and contracts along the transport conveyor 114 is provided at the rear of the lower die mounting table 34, and pushes the die 32 to slide it on the transport conveyor 114, and press it. Positioned first trolley 80
You can also slide out the mold 32 to the empty pallet above,
It is also possible to pull the mold 32 on the pallet 50 on the first carriage 80 and slide it into the press 30.

Next, a procedure for newly mounting the coil material W on the mandrel 12 of the uncoiler 10 will be described.

The first cart 80 is placed on the crane platform 74. crane
The 70 is run, and the lifting platform 74 is raised so that the lifting platform 74 is aligned with the layer containing the coil material to be taken out. And the first carriage 80 side of the突押pulling arm 82a by sliding the pallet 40 mounted with the coil material W ₁ object hooks, coil material W on the first carriage 80 by pulling back the arm 82a _The pallet 40 containing ₁ is accommodated.
Then, the elevating table 72 is lowered, and the crane 70 is moved to the position corresponding to the press line to be mounted. When the crane 70 reaches a predetermined position, the first trolley 80 moves out of the rail 84 and travels on the rail 94 to reach the desired front position of the uncoiler. At this time, the first trolley 80 is positioned on the second trolley 90, and the coil member W ₁ stored in the pallet 40 is adjusted to the height of the mandrel 12 of the uncoiler 10 by operating the elevating mechanism 102. To be done. Further, the second carriage 90 travels along the rail 104, and the mandrel 12 is inserted into the hollow portion of the coil material W ₁ . Then, the mandrel 12 spreads outward and fixes the hollow portion of the coil material W ₁ . At the same time, the telescopic rod 141 (see FIG. 3) of the hydraulic cylinder rises from the lower position and pushes the operation lever 140 to push the side support arm 120 into the open state. Then, the elevating mechanism 102 operates and the first carriage 80
, The second carriage 90 on which the empty pallet 40 is placed returns to its original position, and the first carriage 80, with the empty pallet placed, prepares for mounting the next coil material, for example.

On the other hand, when removing the coil material W ₁ ′ attached to the mandrel 12, the first trolley 80 on which the empty pallet 40 is placed is moved to the second
The second pallet 90 is moved to the uncoiler 10 side to position the pallet 40 below the mandrel 12. The lifting mechanism 102 is operated to raise the pallet 40 together with the first carriage 80 to bring the pallet 40 into contact with the coil material W ₁ ′, and in this state, the coil material by the mandrel 12 is applied.
Unlock W ₁ ′. The coil material W ₁ ′ is supported by the carrier roller 42 of the pallet 40 and the arm 44, and when the second carriage 90 is returned to its original position, the rail 94a and the rail 94 are joined together and the first carriage 80 is run. The crane 70 on the lifting platform 74. The crane 70 travels on the rail 72 to a position corresponding to the desired empty compartment 62, and the lifting platform 74 rises to raise the first carriage 80 to the desired compartment 62. Then, the pushing / pulling arm 82a on the dolly 80 side pushes the pallet 40 to slide the pallet on which the coil material W ₁ ′ is placed into the compartment 62.

〔The invention's effect〕

As apparent from the above description, according to the coil material vertical pallet according to the present invention, the front and rear direction of the coil material is constrained by the pair of horizontal carrying rollers carrying the arc-shaped outer peripheral surface of the coil material, and two carrying points are provided. Since the lateral collapse of the coil material is prevented by the four side support arms that respectively support the left and right side surfaces of the coil material at positions outside the separating direction, the coil material can be held in a stable vertical state. In addition, this vertical coil material pallet secures a safe and functional storage state of the coil material in the warehouse in the automated press equipment, and efficiently transfers, transports, and unloads the coil material to the uncoiler. Can be achieved. Further, when the coil material on the pallet is hoisted by the crane, the chain may be hung around the hollow part of the coil material, and the hoisting and lowering work of the coil material by the crane is facilitated, thus improving workability.

[Brief description of drawings]

FIG. 1 is a front view of a vertical pallet for coil material, FIG. 2 is a right side view of the pallet, FIG. 3 is an enlarged exploded perspective view of a horizontal spindle, and FIG. 4 is an enlarged sectional view of a horizontal spindle. FIG. 5 is a front view of the horizontal support portion, FIG. 6 is a cross-sectional view taken along the line VI-VI shown in FIG. 5, and FIG. 7 is a front view of a device for automatically attaching and removing the coil material to and from the mandrel. FIG. 8 is a plan view of the same apparatus, FIG. 9 is a left side view of the same apparatus, and FIGS. 10 and 11 are perspective views for explaining a mounting state of a conventional coil material. 40 …… Coil material vertical pallet, 100 …… Stand, 102a, 10
2b ... side frame, 106a, 106b ... horizontal carrying roller, 110 ... horizontal support shaft, 120 ... side support arm, 124 ... fixing screw,
130 …… Bearings, 134a, 134b …… Brake shoes.

Claims (3)

[Claims] 1. A frame-shaped frame having a pair of opposing side frames,
Both ends are supported by the side frame, and a pair of front and rear horizontal carrying rollers arranged at a predetermined interval, and the pair of carrying rollers are pivotally attached to the side frames at outer positions in the separating direction and extend upward.
A vertical coil material pallet, comprising: four side support arms that support the left and right side surfaces of the coil material vertically supported by the horizontal carrier roller. 2. A side support arm according to claim 1, wherein two front and two rear side support arms are interlocked with each other so as to be tiltable about a pivot, and the arm can be held in an open leg at an arbitrary angle. Vertical pallet for coil material. 3. The side support arm is screwed at both ends to a horizontal support shaft, which is a pivot supported between opposing side frames, and is integrated with the horizontal support shaft. The coil material vertical pallet according to claim (1) or (2), characterized in that the space between the side support arms facing left and right can be adjusted by changing.