JPS642451B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a device for winding continuously rolled wire.

As a conventional wire winding device, a polling type winding machine 71 shown in FIG. 1 is often used. This type of winding machine has a drum 72 for regulating the outer diameter of the coil,
A plurality of pins 73 for regulating the inner diameter of the coil arranged on a circumference concentric with the drum and a coil receiving plate 74 through which the pins pass are rotatable around a vertical axis,
The rotation speed is synchronized with the wire speed, and the wire is passed from the upper part of the drum 72 through the wire guide tube 75.
The coils are supplied into the coil housing space between the drum 72 and the pin 73, and are stacked on the coil receiving plate 74 and wound up while being bent into a coil shape. However, the following problems have recently occurred with this device. That is, in order to improve the efficiency of the rolling process, the wire rod speed is increased, and as a result, the wire rod fed into the drum 72 at high speed sticks to the inner wall surface of the drum 72 due to centrifugal force and naturally falls downward. This results in a very poor coil filling rate, resulting in a bulky coil with poor winding appearance. In addition, recently, the finish rolling temperature has been kept low to suppress the scale of rolled wire rods and make grains finer (strengthening the material), and there is also a tendency to cool the wire rods early after rolling. Due to the low temperature of the wire, springback is strong, which causes an increase in coil height and worsens the winding appearance.

This invention solves the above-mentioned conventional drawbacks,
By separating the winding of the wire into a coil forming process in which the wire is bent and a convergence process in which the formed coil is focused, the coil can be wound at high speed and compactly, and the coil winding shape and filling can be improved. It is an object of the present invention to provide a wire winding device that is capable of improving the winding rate and also enables low-temperature winding of the wire.

An embodiment of the present invention will be described below with reference to FIGS. 2 to 4.

In the figure, 1 is a wire winding device, which is composed of a coil forming machine 2 and a coil converging machine 3. The coil forming machine 2 is equipped with wheels 5 that roll on rails 4 laid on a foundation, and can be moved away from above the coil converging machine 3 to the side. A short cylindrical drum 7 is rotatably supported around a vertical axis 8 by a bearing in a cylindrical portion 6a of a frame 6 that pivotally supports the wheel 5. A plurality of rollers 9 arranged on the circumference concentric with the drum 7 are rotatably attached to the frame 6 by bearings with the large diameter portion facing downward. This roller 9
A gear 10 is fixed to the upper part of the frame 6, and this gear meshes with a gear 12 fixed to the middle part of a drive shaft 11 which is rotatably attached to the frame 6 by means of a bearing. Bevel gear 15 fixed to the upper end of drive shaft 11
meshes with a bevel gear 17 fixed to the end of a driving shaft 16 rotatably attached to the frame 6 by a bearing, and this driving shaft 16 is connected to the shaft of a motor 18 attached to the frame 6. Further, a ring-shaped large gear 20 is carved on the outer periphery of the upper end of the drum 7, and a gear 20 fixed to the lower end of a shaft 21 rotatably attached to the frame 6 by a bearing is attached to this large gear.
A roller chain 25 is wound around a sprocket 23 fixed to the upper end of the shaft 21 and a sprocket 24 fixed to the drive shaft 11.
The number of teeth of each gear 10, 12, 20, 22 and sprocket 23, 24 is set so that the circumferential speed of the large diameter portion of the roller 9 substantially matches the circumferential speed of the inner surface of the drum 7. On the other hand, a spiral guide plate 26 made of cast iron or the like and centered on the axis 8 is connected to the drum 7.
A guide plate 26 is fixedly supported at the tip of a support arm 28 which is disposed like a partition wall to separate the upper and lower parts between the frame 6 and the roller 9, and which protrudes like a branch from a support 27 which is vertically fixed to the intermediate wall 6b of the frame 6. There is. This makes the fourth
As shown in the figure, the inner circumferential wall surface 7a of the drum 7, the circumscribed cylindrical surface 29 that circumscribes each roller 9, and the guide plate 26 that partitions these surfaces form a spiral shape centered on the axis 8. A passage 30 will be formed. In addition, the helical pitch P of the guide plate 26
is larger toward the lower outlet 31 side of the molding passage 30. Further, a cooling air supply pipe 34 having a cooling air blowing port 33 extending from the inner diameter side of the guide plate 26 toward the molding passage 30 of each stage is vertically fixed to the intermediate wall 6b of the frame 6. It passes through the frame 6 and is connected to an external cooling air supply source such as a blower. Further, a wire guide pipe 35 for guiding the wire from the finishing mill passes through the outer wall of the frame 6 and opens from the upper side of the drum 7 toward the upper entrance 36 of the forming passage 30.

Next, the coil concentrator 3 attaches a substantially disc-shaped coil receiving plate 43 to a substantially disc-shaped support base 42 that pivotally supports a wheel 41 rolling on a rail 40 laid in an annular shape on a foundation. It has a configuration in which it is rotatably mounted around a vertical axis. A large gear 44 is provided on the outer periphery of the support base 42.
A small gear 46 fixed to the output shaft of a motor 45 mounted on the foundation meshes with the large gear 44, and the motor 45 drives the support base 42 and the coil receiving plate 43 supported thereon. Bearing box 5
5 (described later) and the like rotate (revolution) around a vertical axis 47 passing through the center of the rail 40. The coil receiving plate 43 is fixed to the upper end of a hollow shaft 56 rotatably attached to a bearing box 55 fixed to a support base 42, and the bevel gear 57 fixed to the lower end of this hollow shaft 56 is attached to the bearing box 55. The drive shaft 58 is engaged with a bevel gear 59 fixed to the end of a rotatably mounted drive shaft 58, and the drive shaft 58 is driven by a motor 60 mounted on the support base 42. Note that the vertical axis 64, which is the axis of the hollow shaft 56 (that is, the axis of the coil receiving plate 43), is the same as the vertical axis 47 of the support base 42.
so that the position is shifted by the amount of eccentricity δ from
A bearing box 55 is attached to the support base 42. 65 is a coil housing space formed on the coil receiving plate 43, which has a cylindrical surface 66 whose diameter is [inside diameter of drum 7 + 2δ] and [diameter of the cylindrical surface circumscribed to each roller 9 -].
2δ] is a thick-walled cylindrical space surrounded by a cylindrical surface 67 with a diameter.

In order to wind the wire with the device having the above configuration, the coil forming machine 2 is positioned directly above the coil converging machine 3 as shown in the second figure, and in detail, the axis 8 of the forming passage 30 is aligned with the support of the coil concentrating machine. The motors 18, 45, 6 are aligned approximately with the vertical axis 47 of the stand 42.
Perform 0 operation. The rotational speed of the motor 18 is set so that the circumferential speed of the inner circumferential wall surface 7a of the drum 7 (approximately equal to the circumferential speed of each roller 9) is approximately equal to the speed V of the wire from the wire guide tube 35. Also motor 6
0, the rotation speed is set so that the circumferential speed of the coil receiving plate 43 at the average diameter position of the coil housing space 65 is approximately equal to the wire speed V. Further, the rotational speed of the motor 45 is set so that the support base 42 rotates, for example, once per rotation of the coil receiving plate 43.

Under the above operating conditions, the wire rod from the finishing mill is passed through the wire rod guide pipe 35 from the upper inlet 36 to the forming passage 30.
When introduced into the wire, the wire is bent by the inner peripheral wall surface of the drum 7 and each roller 9, guided downward by the guide plate 26, and formed into a coil shape. At this time, the wire is cooled by the cooling air blown out from the cooling air inlet 33 of the cooling air supply pipe 34, and its temperature drops.
The wire rod formed into a coil shape by passing through the forming passage 30 is fed into the coil accommodation space 65 of the coil concentrator 3 from the lower outlet 31, and the coil receiving plate 43 is driven to rotate in synchronization with the speed of the wire rod. They are piled up in a coil shape. At this time, since the wire is formed into a coil shape by the coil forming machine 2, it can be smoothly bundled at high speed, the filling rate of the coil is high, and the winding appearance is good. Furthermore, since the coiling and focusing of the wire are separated, it is possible to smoothly wind the wire at a temperature of around 700°C.
After forming and converging the wire of a predetermined length, the coil forming machine 2
evacuate to the side and use a forklift etc.
The coil is taken out from above the coil receiving plate 43. Note that it is also possible to use one coil forming machine 2 for a plurality of coil concentrators 3 and to sequentially move and condense the coils in the order in which the coil concentrators are used.

In the embodiment described above, since the vertical axis 64 of the coil receiving plate 43 performs a rotational movement (revolutionary movement) with a radius of δ around the vertical axis 47 of the support base 42, the coil receiving plate 43 relative to the lower outlet 31
The rotational speed of is periodically increased and decreased, and a so-called wobbling effect is obtained in which the coils are distributed almost evenly within the width B of the coil accommodation space 65, and the coil filling rate is further improved. Note that if the wobbling effect is not required, the support base 42 may be fixedly installed on the foundation.

In addition, in the above embodiment, since the cooling air inlet 33 for cooling the wire is built into the coil forming machine 2, the device can be made compact, and the wire can be cooled immediately after rolling, thereby reducing scale. Although the structure can be made finer and the material tougher, the provision of the cooling air supply pipe 34 may be omitted depending on the material of the wire rod, the finish rolling temperature, etc.

Furthermore, in the above embodiment, the helical pitch P of the guide plate 26 on the lower outlet 31 side is made larger than that on the upper side, so that the formed coil discharged from the forming passage 30 is directed onto the coil receiving plate 43 at a large downward velocity. Although it has the advantage that it can be pressed reliably, if the molded coil has low rigidity relative to its own weight, the helical pitch P may be the same for each part.

The present invention is not limited to the above-mentioned embodiments. For example, as the forming passage 30 forming member of the coil forming machine 2, a roller is used as an inner diameter guide that regulates the coil inner diameter, and an outer diameter guide that regulates the coil outer diameter. In addition to the above-mentioned outer drum and inner roller type in which a drum is used as the guide, an outer roller and inner drum type or a structure in which rollers are used for both the inner and outer guides may be used.
Depending on the method of taking out the coil, the coil forming machine 2 may be fixedly installed directly above the coil concentrator 3. In addition to the cooling air described above, various fluids such as water and mist can be used as the wire cooling medium in the coil forming machine 2.

As explained above, according to the present invention, the wire rod supplied from the rolling mill is passed through a spiral forming path to be formed into a coil shape, and then converged by a coil receiving plate that rotates in synchronization with the speed of the wire rod. As a result, the convergence in the coil concentrator section is performed smoothly, the coil can be wound compactly at high speed, and the coil winding shape and filling rate can be improved, as well as low-temperature winding of the wire rod is possible. A useful wire winding device can be provided.

[Brief explanation of drawings]

FIG. 1 is a vertical cross-sectional view of a main part of an example of a conventional wire winding device, FIG. 2 is a vertical cross-sectional view of a wire rod winding device showing an embodiment of the present invention, and FIG. A sectional view taken along line A, and FIG. 4 is a perspective view of the guide plate shown in FIG. 2. DESCRIPTION OF SYMBOLS 1... Wire winding device, 2... Coil forming machine, 3... Coil concentrator, 7... Drum, 8... Axis line, 9... Roller, 18... Motor, 26... Guide plate, 30... Forming passage, 33... Cooling air blower Port, 34...Cooling air supply pipe, 35...Wire guide pipe, 40...Rail, 41...Wheel, 42...Support stand, 43...Coil receiving plate, 45...Motor, 47...Vertical axis line, 55...Bearing box, 56... Hollow shaft, 60...motor, 64...vertical axis.

Claims (1)

[Scope of Claims] 1. An inner diameter guide that regulates the inner diameter of the coil, an outer diameter guide that is arranged concentrically with the inner diameter guide and regulates the outer diameter of the coil, and a partition wall-like arrangement between the two guides. A wire guide tube that forms a spiral forming passage having a vertical axis with the spiral guide plate, and is provided on the upper side of the forming passage and guides the wire into the forming passage; A coil forming machine is equipped with a drive device that rotationally drives an outer diameter guide in synchronization with the wire rod speed, and a coil receiving plate is attached to a support stand so as to be rotatable around a vertical axis, and the coil receiving plate is rotated at the wire rod speed. and a coil concentrator equipped with a drive device that rotates in synchronization with the coil converging machine, and the lower outlet of the forming passage faces above the coil receiving plate, and the wire rod discharged from the lower outlet is placed on the coil receiving plate. A wire winding device that stacks the wire into a coil. 2. The wire winding device according to claim 1, wherein the support stand is fixedly installed on the foundation. 3. The support base is rotatably mounted on the foundation around a vertical axis different from the vertical axis of the coil receiving plate,
The wire winding device according to claim 1, which is rotationally driven by a drive device. 4. The wire winding device according to claim 1, wherein the coil forming machine is a coil forming machine equipped with a cooling fluid inlet for blowing a wire cooling fluid into the forming passage. 5. The wire winding device according to claim 1, wherein the helical pitch of the guide plate is larger on the lower exit side of the forming passage than on the upper side.