JP3520657B2 - Coil transfer method - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a coil transfer method for transferring a coil formed by winding a wire rod into a cylindrical shape.

[0002]

2. Description of the Related Art Conventionally, as a coil transfer method of this kind, as shown in, for example, Japanese Patent Publication No. 49-14717, a trolley of an overhead conveyor comprises a horizontal rod portion and a vertical rod portion for suspending a coil. An approximately L-shaped coil suspension hanger is continuously provided, and the coil is transferred on the transfer path by laterally fitting the coil to the coil suspension horizontal rod portion. Here, for example, a coil made of an iron wire material is a unit of about 900 kg or about 1000 kg, and is transferred to a binding facility.

[0003]

In the above-mentioned conventional method, the coil transfers one piece of the set weight to the bundling equipment, and when a wire having a length of two times that of the coil is desired, It is not easy to connect the coil ends after bundling, and the connection between the coil ends after breaking the bundling at the site of use is a troublesome work and the connection equipment is uneconomical. is there.

Therefore, the first aspect of the present invention is to provide a coil transfer method capable of easily connecting the coil ends of two coils before binding.

[0005]

In order to achieve the above-mentioned object, a coil transfer method according to a first aspect of the present invention provides a hanging hanger that is open on one side with respect to the transfer direction. A coil transfer device having the coil transfer device is provided, and at a predetermined position in the transfer path by the coil transfer device, a coil delivery device is provided on one side and a coil width aligning device is provided on the other side across the transfer path, and in the vicinity thereof. Is provided with a welding device, and after stopping the first coil transferred by the coil transfer device to the predetermined position, the coil delivery device extracts and supports the first coil from the hanging hanger, Next, after stopping the second coil transferred by the coil transfer device at the predetermined location,
The coil ends of both coils are welded by a welding device to make both coils continuous, and the coil width-shifting device moves the second coil toward the other side, and the coil transfer device shifts the first coil It is characterized in that it is simultaneously moved back to the hanging hanger so that the hanging hanger supports both continuous coils.

Therefore, according to the first aspect of the present invention, the first coil is temporarily received by the coil transfer device, and the coil ends of the first coil and the second coil on the coil transfer device are welded to both coils. Then, both coils can be centered and supported by the hanging hanger of the coil transfer device.

According to a second aspect of the present invention, there is provided a coil transfer method according to the first aspect, wherein the coil transfer device and the coil width-shifting device have a coil support that can be raised and lowered. The coil is moved after the coil is lifted from the hanging hanger by the rise of the coil.

Therefore, according to the second aspect of the present invention, it is possible to easily and smoothly move and receive both coils by moving the coils up and down separately and by moving the coils vertically. In the coil transfer method according to claim 3 of the present invention, in the configuration according to claim 1 described above, the coil delivery device and the coil width-adjusting device are in the form of a dolly which can be moved toward and away from the transfer path at a predetermined location. Characterized in that the coil transfer device and the coil width aligning device are located at a home position separated from the transfer path when the coil is moved in or out of the coil or when the ends of the coil are welded. Is.

Therefore, according to the third aspect of the present invention, by moving the coil delivery device and the coil width-shifting device separately or in synchronization, the two coils can be easily moved and delivered smoothly.

Further, in the coil transfer method according to a fourth aspect of the present invention, in the structure according to the third aspect, the coil width aligning device detects the coil detecting part for detecting the coil and the coil delivering device. And a device detector, and the coil movement of the coil width-shifting device is stopped by the movement of the coil detector, and the movement of the coil delivery device is stopped by the movement of the device detector. It is characterized by that.

Therefore, according to the fourth aspect of the invention, the traveling of the coil delivery device and the coil width-shifting device can be accurately and reliably and smoothly stopped.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. 1 to 4, a coil transfer device 1 includes a trolley 3 supported and guided by a lower rail 2.
The transfer path 1A is formed by a trolley drive device (drive chain or the like) 5 supported and guided by the upper rail 4, and a hanger 6 for suspension connected to the trolley 3 and the like.

The hanging hanger 6 has a horizontal L-shaped connecting portion 7 in which a central portion of the horizontal rod is connected to the trolley 3 and a vertical rod on the other side of the connecting portion 7. It is configured to be opened to one side with respect to the transfer direction of the transfer path 1A by a horizontal rod portion 8 for coil suspension which is fixed to the lower end and is parallel to the lower side of the horizontal rod. Then, by externally fitting a coil (described later) to the rod-shaped horizontal rod portion 8 laterally, the coil can be hung and transferred on the transfer path 1A.

Here, the coil is formed, for example, by winding an iron wire into a cylindrical shape. For convenience of description below, a first coil 80 and a second coil 81 are shown, and both coils are shown.
The end faces of 80 and 81 are the one end face 80a, 81a and the other end face 80.
b, 81b. Further, the final end of the first coil 80 and the front end of the second coil 81 to which the connection is made,
Shown as coil ends 80A and 81A.

A transfer path 1A by the coil transfer device 1
At a predetermined position 9 in the inside, a coil delivery device 10 is provided on one side and a coil width shifting device 30 is provided on the other side across the transfer path 1A, and a welding device 60 is provided in the vicinity thereof.

The coil transfer device 10 has a transfer path 1A.
It is configured in the form of a dolly that can be moved closer to and away from. That is, on the floor side of the predetermined place 9, floor rails 11 in a direction orthogonal to the transfer path 1A are laid in pairs in the transfer direction,
The floor rails 11 are set to have a length extending from one side to a position intersecting the transfer path 1A. The carriage main body 12 is placed on the floor rail 11 via a plurality of wheels 13, and a plurality of lateral regulation rollers 14 facing the side surface of the floor rail 11 are provided.

On the dolly body 12 on the rear side (transfer path 1A
On the side away from), a traveling drive device 15 interlocking with nearby wheels 13 is mounted, and the traveling drive device 15 is composed of a forward-reverse driveable motor, a speed reducer interlocked with this motor, and the like. . Then, in order to regulate the separation limit when the carriage body 12 travels away from the transfer route 1A, the carriage body is
A stopper 16 with which the rear end of 12 can freely abut is provided on the floor side,
Thus, the position of the separation limit, which is in contact with the stopper 16, is set to the home position 17 of the coil delivery device 10.

A holding frame 18 is provided upright on the rear side of the carriage main body 12, and a pair of guide rails 19 are provided on the holding frame 18 in the vertical direction. An elevating body 21 guided by a plurality of guide rollers 20 is provided on both guide rails 19, and the elevating body 21 is moved up and down by a cylinder device 22 provided between the trolley body 12 and the trolley body 12. .

From the front surface of the elevating body 21, a coil supporting body
23 are cantilevered continuously toward the front (the other side). The coil support 23 is a rod having a U-shaped cross section, and the rod-shaped horizontal rod 8 is provided in the recess 24.
It is configured to be relatively insertable and removable in the up-down direction and relatively removable in the length direction. Wood 25 is attached to the upper surface of the coil support 23 which is divided into two strips, and a coil support surface 26 is formed by these wood 25. The coil support surface 26 is against the inner peripheral surface 80c of the first coil 80. It is configured so that it can be contacted from below. An example of the coil delivery device 10 is configured by the above 11 to 26 and the like.

The coil width aligning device 30 has a transfer path 1A.
It is configured in the form of a dolly that can be moved closer to and away from. That is, on the floor side of the predetermined place 9, floor rails 31 in a direction orthogonal to the transfer path 1A are laid in pairs in the transfer direction,
The floor rails 31 are set to have a length extending from the other side to a position intersecting the transfer path 1A. The carriage main body 32 is placed on the floor rail 31 via a plurality of wheels 33, and a plurality of lateral regulation rollers 34 facing the side surface of the floor rail 31 are provided.

On the trolley body 32, on the rear side (transfer path 1A
On the side (away from the side), a traveling drive device 35 interlocked with nearby wheels 33 is mounted, and the traveling drive device 35 is composed of a forward / reverse driveable motor, a speed reducer interlocked with this motor, and the like. . Then, in order to regulate the separation limit when the carriage main body 32 travels away from the transfer path 1A,
A stopper 36 with which the rear end of 32 can freely abut is provided on the floor side,
Thus, the distance of contact with the stopper 36 is set at the home position 37 of the coil width shifting device 30.

Guide cylinders from a plurality of locations on the trolley body 32
A coil support 40 is fixed between the upper ends of a group of guide rods 39 which are provided upright and which are inserted into the guide cylinders 38 and guided up and down. The coil support body 40 is moved up and down by a cylinder device 41 provided between the coil support body 40 and the carriage body 32. The coil support 40 has a coil support surface 42 formed by the recessed upper surface thereof, and the coil support surface 42 is configured to be capable of contacting the outer peripheral surface 81c of the second coil 81 from below. .

The coil width aligning device 30 includes both coils 8
A coil detection unit 45 for detecting 0 and 81 and a device detection unit 50 for detecting the coil delivery device 10 are provided, and are moved to the transfer path 1A side of the coil width aligning device 30 by the detection operation of the coil detection unit 45. Is stopped, and the movement of the coil delivery device 10 to the transfer route 1A side is stopped by the detection movement of the device detection unit 50.

That is, a pair of abutment bodies 43 are provided upright from the rear end of the coil support body 40, and a coil detection section 45 is provided above the one abutment body 43. The coil detector 45 is swingably provided on one of the contact bodies 43 and has a front surface 43 a.
The detection lever 46 is elastically biased so as to project from the sensor lever, and the detector 47 (limit switch) that detects that the sensing lever 46 is swung backwards against the elastic biasing force. Further, the device detection unit 50 provided on the upper end of the contact body 43 includes the coil support member 23 in the coil transfer device 10.
Thus, a light projector 51 and a light receiver 52, which can be shielded from light, are separately provided to both contact bodies 43. More than 31
An example of the coil width aligning device 30 is constituted by the elements 52 to 52.

The welding device 60 is provided with a pair of fixed work platforms 61 and 64 in the transfer direction while avoiding the movement paths of the coil transfer device 10 and the coil width-shifting device 30. Movable work platforms 62 and 65 are inserted in the fixed work platforms 61 and 64, respectively, and these movable work platforms 62 and 65 are
The cylinder devices 63 and 66 are operated so that they can move toward and away from each other. At that time, the mutually facing surfaces are configured to come into contact with each other by moving them toward each other.

Side (one side) of the fixed work platform 64 on the downstream side
Is a lower movable platform that can move in the same direction as the movable work platform 65.
67 and a cylinder device 68 for performing the movement are provided. And above the lower movable platform 67, there are rails 69 and wheels.
Upper movable platform that can be moved in the same direction as the trolley body 12 via 70
71 is provided, and a welding machine (for example, butt welding machine) 72 is arranged on the upper movable table 71. A pair of clamp bodies 73 and 74 for positioning the coil ends 80A and 81A are provided on the upper surface of the welding machine 72, and a foot switch 75 and the like are provided on the lower portion. An example of the welding device 60 is configured by the above 61 to 75 and the like.

The operation of the above embodiment will be described below. Before welding, as shown in FIG. 5, the coil delivery device 10 and the coil width-shifting device 30 are moved away from each other and stopped at the home positions 17 and 37, respectively. The coil supports 23, 40 are lowered. Further, in the welding device 60, as shown in FIGS. 2 and 3, both the movable worktables 62 and 65 and the lower movable table 67 are retracted.

In this state, the first coil 80 is transferred through the hanging hanger 6 of the coil transfer device 1 and is brought into contact with a stopper (not shown). Will be stopped. At that time, the transfer is performed by the first coil 80.
Center of gravity is positioned (centered) below the trolley 3. Then, a clamp device (not shown) is acted on the suspended hanger 6 so that the hanging hanger 6 is steady and positioned.

Next, the coil delivery device 10 and the coil width-shifting device 30 are moved toward each other. At that time, the approaching movement is automatically and efficiently performed up to a certain position, and subsequently at a low speed. Due to this approaching movement of each other, the coil supporting body 23 of the coil delivery device 10 is thrust into the first coil 80 below the horizontal rod portion 8 as shown by the solid line in FIG. Further, the coil supporting body 40 of the coil width aligning device 30 is projected below the first coil 80.

Due to such approaching movements, the sensing lever 46 of the coil detector 45 provided in the coil width-shifting device 30.
Comes into contact with the other end face 80b and is swung backwards against the elastic biasing force. Then, when the detector 47 is detected and moved, the traveling of the coil width-shifting device 30 to the transfer path 1A side is automatically stopped. At this time, as shown by the phantom line in FIG. The front surface 43a is in contact with or close to the other end surface 80b.

Around this time, the optical axis from the light emitter 51 to the light receiver 52 in the device detection unit 50 is blocked by the tip of the coil support 23, and the device detection unit 50 is detected and moved to pass the coil. The traveling of the device 10 to the transfer route 1A side is automatically stopped. At this time, as shown by the phantom line in FIG. 1, the coil support 23 is penetrated into the first coil 80 with its tip slightly protruding from the other end face 80b.

Next, the coil support of the coil transfer device 10
23 is lifted and its coil supporting surface 26 is brought into contact with the inner peripheral surface 80c, whereby the first coil 80 is lifted by the coil supporting member 23 as shown by the phantom line in FIG. In this state, the coil delivery device 10 and the coil width shifting device 30 are moved away from each other and stopped at the home positions 17 and 37.
As a result, as shown by the solid line in FIG.
The first coil 80 is extracted and supported by 10.

Then, the stopper and the clamp device are opened so that the empty hanging hanger 6 of the coil transfer device 1 is transferred to the downstream side. Then, as shown in FIG.
The next hanging hanger 6 supporting the second coil 81 is
In the same manner as described above, the welding is stopped at the predetermined position 9 and the welding operation is performed in this state.

That is, first, as shown in the phantom line in FIG. 3 and in FIG. 7, both movable worktables 62 and 65 and the lower movable table 67 are moved in a protruding manner. Next, fixed worktables 61 and 64 and movable worktable 6
An operator who has reached the portion of the welding machine 72 using the 2, 65 pulls out the coil ends 80A, 81A of both the coils 80, 81.
This drawing is performed without disturbing the winding direction of both coils 80 and 81. Then, the upper movable table 71 is moved with respect to the lower movable table 67, so that the welding machine 72 is set to a suitable position. Next, the drawn coil ends 80A and 81A are set and positioned (clamped) on the clamp bodies 73 and 74, respectively, and by pressing the foot switch 75 in this state, desired welding between the coil end faces is performed, Both coils 80, 81
Are continued.

After the desired welding is performed as described above, the setting and positioning of the coil ends 80A and 81A are released, and the upper movable table 71 is moved back with respect to the lower movable table 67. After that, the operator finishes the welded portion. Then, by pressing the welding completion button, both movable worktables 62 and 65 and the lower movable table 67 are moved in and out. Then, as described above, the coil transfer device 10 and the coil width aligning device 30 are moved toward each other at an automatic high speed.

The coil width aligning device 30 is moved at a medium speed in the same manner as described above, and as shown in FIG.
By detecting the second coil 81, the traveling is automatically stopped. Before and after this, the coil delivery device 10 is moved by the manual operation of the operator, that is, the operator pushes the manual forward button, and the other side end surface 80b of the first coil 80 is moved to the second side. By visually confirming that the coil 81 is in contact with the one side end face 81a of the coil 81 and releasing the manual forward button, the coil delivery device 10 is stopped as shown in FIG.

Next, the coil support of the coil width aligning device 30
40 is raised and its coil supporting surface 42 is brought into contact with the outer peripheral surface 81c of the second coil 81, whereby the second coil 81 is lifted by the coil supporting body 40, as shown in FIG. In this state, the coil delivery device 10 and the coil width-shifting device 30 are synchronously run to the other side, that is, the coil width-shifting device.
The width-shifting movement of the second coil 81 toward the other side of the second coil 81 and the returning movement of the first coil 80 to the suspension hanger 6 side by the coil transfer device 10 are simultaneously performed. When the contact surfaces of the coils 80 and 81 are located below the trolley 3, the synchronous traveling is stopped.

In this state, by lowering both coil supports 23, 40, both coils 80, 81 are suspended in the hanger 6 for suspension.
Is moved to the horizontal rod section 8. Then, the coil transfer device 10 and the coil width-shifting device 30 are moved away from each other and stopped at the home positions 17 and 37, so that the continuous coils 80 and 81 are suspended as shown in FIG. 6 and is centered and supported.

After that, the stopper and the clamp device are opened to move the actual hanging hanger 6 to the downstream side. Then, again, the next hanging hanger 6 supporting the first coil 80 is transferred to the predetermined location 9.

In the above-mentioned embodiment, the trolley 3 is used as the coil transfer device 1, but this is the type in which the hanging hanger 6 is provided on the self-propelled body supported and guided by the rail. Good.

In the above-described embodiment, the coil transfer device 10 and the coil width shifting device 30 are in the form of a dolly, but this is also a form in which the coil supports 23 and 40 are moved in and out in the approaching and separating directions. Good.

In the above-described embodiment, the coil detector 50 is used.
Although the limit switch type and the photo detector type are shown as the device detection unit 50, they may be other types such as a proximity switch.

[0043]

According to the first aspect of the present invention described above, the first coil is temporarily received by the coil transfer device, and the coil ends of the first coil and the second coil on the coil transfer device are welded. Then, after both coils are made continuous, both coils can be centered and supported by the hanging hanger of the coil transfer device. Thereby, the connection between the coil ends of the two coils can be performed before bundling or the like, and when the length of the two coils is desired, it can be dealt with quickly, easily and economically.

According to claim 2 of the present invention described above,
It is possible to easily and smoothly move and receive both coils by moving the coils up and down separately and by moving them up and down in a synchronized manner.

According to the third aspect of the present invention described above, by moving the coil delivery device and the coil width-shifting device separately or in synchronization, the two coils can be easily moved and delivered smoothly. You can

Further, according to the fourth aspect of the present invention described above, the traveling of the coil delivery device and the coil width-shifting device can be stopped accurately, reliably and smoothly.

[Brief description of drawings]

FIG. 1 is a side view showing an example of an embodiment of the present invention when a first coil is delivered in a coil transfer method.

FIG. 2 is a partially cutaway plan view at the time of delivery of a first coil in the same coil transfer method.

FIG. 3 is a rear view of the coil width aligning device in the coil transferring method.

FIG. 4 is a front view of a coil delivery device in the same coil transfer method.

FIG. 5 is a schematic side view when the first coil is transferred in the same coil transfer method.

FIG. 6 is a schematic side view when a second coil is transferred in the same coil transfer method.

FIG. 7 is a perspective view of a main part during a welding operation in the coil transfer method.

FIG. 8 is a schematic side view of the coil transfer device in the same coil transfer method during traveling.

FIG. 9 is a schematic side view of the same coil transfer method when traveling is stopped.

FIG. 10 is a schematic side view when the first coil is lifted in the same coil transfer method.

FIG. 11 is a schematic side view when transferring both coils in the same coil transfer method.

[Explanation of symbols]

1 Coil transfer device 1A Transfer route 6 Hangers for hanging 8 Yokomobu 9 predetermined places 10 coil delivery device 12 dolly body 17 Home Position 21 Lifting body 23 coil support 26 Coil support surface 30 coil width adjuster 32 trolley body 37 Home Position 40 coil support 42 coil support surface 45 Coil detector 50 Device detector 60 welding equipment 62 Mobile Workbench 65 Mobile Workbench 67 Lower movable platform 71 Upper movable platform 72 welding machine 80 first coil 80A coil end 81 Second coil 81A coil end

Claims (4)

(57) [Claims] 1. A coil transfer device having a hanging hanger that is open to one side with respect to the transfer direction is provided, and the coil transfer device is provided at a predetermined position in the transfer path with the transfer path interposed therebetween. A coil delivery device is provided on the side, and a coil width aligning device is provided on the other side,
A welding device is provided in the vicinity, and after stopping the first coil transferred by the coil transfer device at the predetermined location, the coil transfer device extracts and supports the first coil from the hanging hanger. Then, after stopping the second coil transferred by the coil transfer device at the predetermined position, the coil ends of both coils are welded by a welding device to make both coils continuous, and the second coil width adjusting device Widthwise movement of the coil toward the other side of the coil and the return movement of the first coil to the suspension hanger by the coil transfer device at the same time, so that the suspension hanger has both continuous coils. A coil transfer method comprising: supporting a coil. 2. The coil transfer device and the coil width-shifting device have a coil support which can be raised and lowered, and after the coil support is lifted to lift the coil from the hanging hanger,
The coil transfer method according to claim 1, wherein the coil is moved. 3. The coil transfer device and the coil width-shifting device are of a dolly type that can be moved toward and away from a transfer path, and when the coil is moved in or out of a predetermined position or when the ends of the coil are welded. The coil transfer method according to claim 1, wherein the coil delivery device and the coil width-shifting device are located at a home position separated from the transfer path. 4. The coil width aligning device includes a coil detecting unit for detecting a coil and a device detecting unit for detecting a coil delivery device, and a transfer path of the coil width aligning device by a detection operation of the coil detecting unit. 4. The coil transfer method according to claim 3, wherein the travel to the side is stopped and the travel to the transfer path side of the coil delivery device is stopped by the detection movement of the device detection unit.