JP3691751B2 - Processing material feeder - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an apparatus for feeding a wound long processing material to a processing apparatus by rotating a horizontal turntable.
[0002]
[Prior art]
As a device for feeding a long processing material such as a strip-like thin plate or wire wound in a coil shape to a processing device, for example, the coiled processing material is fitted on a horizontal rotating shaft provided in a stand, There are a so-called uncoiler type and a turntable type in which a coiled work material is placed on a horizontally arranged turntable. In either type, the rotary shaft or turntable is driven to rotate continuously or intermittently in the direction opposite to the winding direction of the work material, and with this rotation, the work material is unwound and fed to the machining apparatus. Sent.
[0003]
The former does not allow much work material to be fitted to the horizontal rotating shaft, and it takes time to align the position and remove the lifting tool when fitting the work material suspended by a hoist crane or the like to the rotating shaft. There are difficulties. On the other hand, the latter has the advantage that a large amount of processing material can be placed on the turntable, and that the processing material is simply placed on the turntable and does not require precise alignment.
[0004]
An example of the turntable type feeding device is described in Japanese Utility Model Publication No. 1-20033. As shown in FIG. 7, this feeding device places strip-shaped processing materials 51 wound in a coil shape on the turntable 52 and places them on the press machine. And the like are fed to a processing apparatus.
[0005]
The turntable 52 is supported and rotated by a rotating wheel 54 driven by a motor 53 disposed on the lower surface side thereof and two non-driving rollers (not shown). It is suspended on a guide arm 56 that is swingable and has a counter balance 55 attached thereto, and is guided to a processing device such as a press machine. A control device 58 is provided at the base of the support column 57 that supports the guide arm 56, and the control device 58 determines the excess or deficiency of the work material 51 to be fed according to the swing angle of the guide arm 56, and the motor 53. To control the rotation speed.
[0006]
[Problems to be solved by the invention]
The conventional turntable type feeding device described above can place a plurality of processing materials on the turntable, but when these processing materials are used up, the turntable is stopped and new processing materials are placed on the turntable. During this period, the operation of the processing apparatus is also stopped. That is, there is a problem that the material preparation in the feeding device becomes an internal setup and the operating rate of the processing device is lowered.
[0007]
SUMMARY OF THE INVENTION An object of the present invention is to provide a processing material feeding apparatus capable of easily preparing a material by external setup.
[0008]
[Means for Solving the Problems]
In order to solve the above-described problems, the present invention provides a supply of a processing material for feeding a wound long processing material placed on a horizontal turntable to a processing apparatus by the rotation of the turntable. In the feeder, the fixed table on which the turntable is placed is provided in a plurality of stages on the upper and lower sides, and the outer edge portion is supported by at least three columns, and each turntable arranged on each of these fixed tables is provided. A configuration was adopted in which a motor for independently rotating each turntable was provided on the lower surface side.
[0009]
That is, by providing a fixed table for arranging the turntable in a plurality of stages above and below, each turntable arranged on these fixed tables can be driven to rotate independently, so that one turntable can be processed material. During the feeding, new work materials can be prepared on the other turntable by external setup.
[0010]
By making the output shaft of each motor coincide coaxially with the rotation shaft of each turntable, the driving force transmission mechanism from the motor to the turntable can be simplified and a compact design can be achieved.
[0011]
By disposing a plurality of rollers radially supporting the turntables on the lower surface side of each turntable, the turntable on which a heavy work material is placed can be smoothly rotated. .
[0012]
By setting at least one span between the struts to be larger than the outer diameter of the wound work material, and allowing the work material placed on each turntable to be inserted horizontally from this span In addition, the work material can be easily prepared on the lower turntable using a forklift or the like.
[0013]
Adjusting the interval between the fixed tables according to the height dimension of the work material placed on the turntable by locking the outer edge of each fixed table to the respective support columns so as to be slidable up and down. Can do.
[0014]
A guide member that hangs the processing material and guides it to the processing device is attached to any one of the support columns, and a sensor that detects the tension state of the processing material guided to the processing device in the vicinity of the guide member. By providing the control means for controlling the rotational speed of the motor based on the detection signal of the sensor, it is possible to feed the processing material to the processing apparatus with a compact design without excess or deficiency.
[0015]
By attaching the guide member to the support column via an arm member projecting in the lateral direction, the three-dimensional feed path of the work material to be unwound can be set more smoothly.
[0016]
As the guide member, a member provided with at least a pair of rollers for sandwiching a processing material guided to the processing apparatus can be adopted.
[0017]
A guide roller that guides the work material to the guide member is attached to any one of the support columns, thereby stabilizing the path of the work material to be unwound. It is possible to prevent deformation of the processed material.
[0018]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to FIGS. 1 to 6. 1 to 4 show a first embodiment. As shown in FIG. 1 to FIG. 3, the processing material feeding apparatus 1 includes a triangular fixed table 2 and three struts 4 a, 4 b, 4 c, which are overhang portions 3 formed at each corner. The turntable 5 is supported on the upper and lower two stages, the turntable 5 having the lower surface side bored is arranged on each fixed table 2, and the strip-like thin plate 6 wound in a coil shape as a processing material is placed on each turntable 5. It is placed via the pallet 7.
[0019]
Each of the turntables 5 is connected to a vertical output shaft of a motor 8 attached to a central portion of the upper surface of each fixed table 2 at the center of the lower surface side, and has four rollers arranged radially on the upper surface of the fixed table 2. 9 is rotatably supported and is driven to rotate independently.
[0020]
Each overhanging portion 3 of the fixed table 2 is slidably fitted to each column 4a, 4b, 4c, and each fixed table 2 has a height corresponding to the height of the strip-shaped thin plate 6 and the pallet 7. The position is adjusted and locked by a stop pin (not shown).
[0021]
Moreover, the overhang | projection part 3a fitted to the support | pillar 4a is formed longer than the other overhang | projection part 3, and the span between support | pillar 4a, 4b and the span between support | pillar 4a, 4c are coiled. It is set larger than the outer diameter dimension of the wound strip-shaped thin plate 6, and the strip-shaped thin plate 6 is inserted horizontally from either of these two spans to prepare a new processing material on each turntable 5. It can be done.
[0022]
A pair of upper and lower sandwiching rollers 10 and 11 and a deflector roller 12 as a guide member for guiding the unrolled strip-like thin plate 6 to the processing apparatus are attached to the upper end of the column 4a by a bracket 13. The lower clamping roller 10 is provided with a flange 10a for guiding the belt-like thin plate 6 at both ends, the small-diameter upper clamping roller 11 is fitted between the flanges 10a, and the outer peripheral portion 11a is formed of rubber.
[0023]
An over tension detector 14 is also attached to the bracket 13 so as to face the strip-shaped thin plate 6 directed downward by the deflector roller 12. A control panel 15 for controlling the rotational speed of each motor 8 is attached to the overhang portion 3a of each fixed table 2 fitted to the support column 4a.
[0024]
The overstretch detector 14 detects the distance d to the opposed strip-shaped thin plate 6 and sequentially transmits the detected distance d to the control panel 15 of the motor 8 that is operating. The control panel 15 compares the reference distance d ₀ stored in advance with the transmitted distance d, and when the distance d is larger than the reference distance d ₀ , the slackness of the strip-shaped thin plate 6 fed to the processing apparatus. Is excessive and the feeding is judged to be excessive, and the rotational speed of the motor 8 is reduced. On the contrary, when the distance d is smaller than the reference distance d ₀ , it is determined that the feeding is insufficient and the rotation speed of the motor 8 is increased.
[0025]
Two guide rollers 16 provided with flanges 16a at both ends are attached to the support column 4b. Each guide roller 16 guides the thin strip 6 unrolled from the upper and lower turntables 5 to the sandwiching rollers 10 and 11 through a stable path.
[0026]
FIG. 4 shows a schematic layout of a processing apparatus that processes the bearing retainer 17 from the strip-shaped thin plate 6 using the feeding apparatus 1 described above. This processing apparatus includes a roll forming machine 18 for reducing the thickness of the central portion of the strip-shaped thin plate 6 fed from the feeding device 1, a press machine 19 for punching a pocket in the strip-shaped thin plate 6 subjected to the thickness reduction, and a pocket. The cut strip-shaped thin plate 6 is cut into a predetermined length, bent into a ring shape, and welded at both ends to be processed into a cage 17, a bending, and welding machine 20.
[0027]
The belt-like thin plate 6 fed from the feeding device 1 is connected to the cutting, bending, and welding machine 20 in the final process, and when the belt-like thin plate 6 on the upper side being fed is used up, The lower strip-shaped thin plate 6 prepared by the cutting is immediately started to be fed, and the processing apparatus is continuously operated with almost no pause.
[0028]
5 and 6 show a second embodiment. The feeding device 1 has the same basic configuration as that of the first embodiment, and a bracket 13 to which a pair of sandwiching rollers 10 and 11 as a guide member and a deflector roller 12 are attached via an arm member 21. Are different in that they are attached to the column 4a.
[0029]
The projecting direction of the arm member 21 from the column 4a can be arbitrarily adjusted, and the three-dimensional feeding path of the strip-shaped thin plate 6 to the processing apparatus can be set more smoothly. Moreover, the direction change of the strip-shaped thin plate 6 for feeding the strip-shaped thin plate 6 unwound in the vertical direction in the horizontal direction can be performed more smoothly.
[0030]
Moreover, in this embodiment, the overhang | projection part 3 of the fixed table 2 fitted by the support | pillar 4b to which the guide roller 16 was attached is formed in elongate, and a new process material is between the support | pillars 4a and 4b. It is inserted on each turntable 5 from the span or span between the columns 4b and 4c. Other parts are the same as those of the first embodiment.
[0031]
In the embodiment described above, the fixed table is provided in two upper and lower stages, and the strip-like thin plate placed on each turntable is fed. However, the fixed table may be provided in more stages. Further, as the processing material, in addition to the strip-shaped thin plate of the embodiment, a long material such as a wire can be fed, and a processing material other than a metal material such as a synthetic resin can also be fed.
[0032]
【The invention's effect】
As described above, the processing material feeding device of the present invention is provided with a plurality of fixed tables for arranging the turntables in the upper and lower stages and supported by the support columns, and each turntable arranged on these fixed tables, Since it can be rotated independently, while one turntable feeds the work material, new work material is prepared on the other turntable by external setup, improving the operating rate of the processing equipment. Can be made. Since the standby turntable can also be used as a storage space for the processed material, space can be saved.
[0033]
In addition, by making the output shaft of each motor coincide with the rotation shaft of each turntable, the driving force transmission mechanism from the motor to the turntable can be simplified and a compact design can be achieved.
[0034]
Furthermore, by setting at least one span between the struts to be larger than the outer diameter of the wound work material, the work material placed on each turntable can be inserted horizontally from this span. In addition, the work material can be easily prepared on the lower turntable using a forklift or the like.
[Brief description of the drawings]
FIG. 1 is an external perspective view showing a processing material feeding apparatus according to a first embodiment. FIG. 2 is a partial sectional front view of the feeding apparatus shown in FIG. 1. FIG. 3 is a part of the feeding apparatus shown in FIG. FIG. 4 is a schematic layout view of a processing device using the feeding device of FIG. 1. FIG. 5 is an external perspective view showing a processing material feeding device according to a second embodiment. FIG. 7 is a partially cutaway external perspective view of a conventional feeding device.
DESCRIPTION OF SYMBOLS 1 Feeding device 2 Fixed table 3, 3a Overhang | projection part 4a, 4b, 4c Support | pillar 5 Turntable 6 Strip-shaped thin plate 7 Pallet 8 Motor 9 Roller 10, 11 Clamping roller 10a 鍔 11a Outer peripheral part 12 Deflector roller 13 Bracket 14 Over tension detection Machine 15 Control panel 16 Guide roller 17 Cage 18 Roll forming machine 19 Press machine 20 Cutting, bending, welding machine 21 Arm member

Claims (9)

In a processing material feeding device that feeds a wound long processing material placed on a horizontal turntable to the processing device by the rotation of the turntable, the turntable is placed and fixed. The table is provided in multiple stages on the top and bottom, and the outer edge is supported by at least three columns, and each turntable is driven to rotate independently on the lower surface side of each turntable placed on each fixed table. An apparatus for feeding a processed material, characterized in that a motor is provided. The processing material feeding device according to claim 1, wherein an output shaft of each of the motors is coaxially matched with a rotation shaft of each of the turntables. 3. The processing material feeding device according to claim 1, wherein a plurality of rollers that rotatably support these turntables are arranged radially on the lower surface side of each of the turntables. The at least one span between the support columns is set to be larger than the outer diameter of the wound work material, and the work material placed on each turntable can be inserted horizontally from the span. The processing material feeding device according to any one of claims 1 to 3. The processing material feeding device according to any one of claims 1 to 4, wherein an outer edge portion of each of the fixed tables is slidably locked to each of the support columns. A guide member that hangs the processing material and guides it to the processing device is attached to any one of the columns, and a sensor that detects the tension state of the processing material guided to the processing device in the vicinity of the guide member. 6. The workpiece material feeding device according to claim 1, further comprising a control unit that controls the rotational speed of the motor based on a detection signal of the sensor. The processing material feeding device according to claim 6, wherein the guide member is attached to the support column via an arm member projecting in a lateral direction. The processing material feeding device according to claim 6, wherein the guide member includes at least a pair of rollers that sandwich the processing material guided to the processing device. 9. The processing material feeding device according to claim 6, wherein a guide roller that guides the processing material to the guide member is attached to any one of the support columns.

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