JPS6346334Y2 - - Google Patents

Description

[Detailed description of the invention] Industrial application field The present invention is a method for bundling a coil formed by spirally winding iron wire at multiple points spaced at a constant angle in the circumferential direction over the inner and outer surfaces of the coil. This invention relates to a coil binding machine that winds and binds a cord.

BACKGROUND ART Conventionally, as this type of coil binding machine, a structure disclosed in, for example, Japanese Utility Model Publication No. 56-103406 has been provided. In this conventional structure, a pair of carts that can move toward and away from each other are provided on both sides of a position where the coil is supported horizontally, and binding strings are wound around the inner and outer surfaces of the coil at a plurality of locations placed at a constant angle in the circumferential direction of the coil. The cart is provided with a guide frame for guiding the movement, a binding device for tightening and bundling the binding string, and a forward and reverse forced transfer mechanism for supplying and pulling back the binding string. According to this conventional structure, it is possible to bind the coil at four locations (multiple locations) at the same time, but it is not possible to bind the coil at more locations, for example, eight locations. To solve this problem, for example, as seen in Japanese Utility Model Publication No. 54-9959, a structure is provided in which the coil is supported by a pair of cradle rollers and the coil is rotated by rotating the cradle rollers.

Problems that the invention aims to solve However, according to the conventional structure described above, when the coil is first tied at a predetermined location and then rotated to tie the locations where the phase is different, the coil cannot rotate at a predetermined angle accurately. Furthermore, in order to achieve accuracy, it was necessary to make adjustments by rotating forward and backward (inching operation) many times, which reduced work efficiency. Also, since the coil is heavy, it is difficult to rotate it on its axis. Furthermore, the weight of the coil caused the cradle roller to bend, making it impossible to rotate as expected, especially inching rotation.

An object of the present invention is to provide a coil binding machine that can always rotate the coil at an accurate angle when repeatedly binding a plurality of coils, and can easily rotate the coil regardless of the weight of the coil.

Means for Solving the Problems In order to achieve the above object, the coil binding machine of the present invention has a coil binding machine that can freely move toward and away from both sides of the stop position of the coil hanging hanger that hangs the coil horizontally, and that can be attached to the front side. a guide frame provided with a pair of carts having pressure plates, a guide frame for winding and guiding a tying string around the inner and outer surfaces of the coil at a plurality of locations spaced at a constant angle in the circumferential direction of the coil; and a tying device for tightly binding the tying string; In a coil tying machine in which a truck is provided with a forward and reverse forced transfer mechanism for supplying and pulling back a tying string, a lift device is provided below the stop position, and this lift device has a lifting platform. Two rollers along the coil axis are arranged side by side at a predetermined interval on the upper part of the coil, and receiving rollers that catch both sides of the lower part of these rollers are installed on the lifting platform, and drive shafts are installed below both rollers. The rollers arranged side by side and facing each other in the upper and lower directions are interlocked and connected to a drive shaft, the drive shaft is interlocked and connected to a motor, and a rotation amount detection device is provided opposite to one of the rollers.

According to the configuration of the present invention, first, the hanger suspending the unbound coil is stopped, and then the lift device is activated to raise both rollers via the lifting platform and lift the coil from the hanger. Next, both carts are moved close to each other, and the coil is clamped in the direction of the coil axis by the coil clamping pressure surfaces of both clamping pressure plates. As a result, a force is generated that tends to bring the coil clamping pressure surfaces closer to the center of the coil, and the coil clamped by the coil clamping pressure surfaces is tightened and arranged with uniform force in the circumferential direction, that is, final clamping is performed. In this state, the tying operation begins. First, the forward/reverse forced transfer mechanism is activated to forcibly send out the tying string. The binding string then passes through the guide frame and its free end reaches the binding device. The free end is then clamped with a binding device, and the forward/reverse forced transfer mechanism is operated in the opposite direction. As a result, the binding string is forcibly pulled back with its free end fixed, removed from the guide frame, and tightened and wound around the part of the coil to be bound. By operating the binding device in this state, simultaneous binding at a plurality of locations at fixed angles is performed. Next, both carts are moved a short distance apart, and in this state, the motor is driven to rotate both drive shafts in the same direction. The rotation of these drive shafts is transmitted to both rollers, and the rotation of both rollers in the same direction causes the coil to rotate around the coil axis.
At this time, both rollers rotate smoothly without bending because their central portions are supported by the receiving rollers. The rotation amount of the roller is detected by a rotation amount detection device, and the detected value is compared with a preset value. When both values match, the motor is stopped, and the coil is stopped after rotating a predetermined angle. It means that it was done. A second binding is then performed in the same manner as described above.

Embodiment An embodiment of the present invention will be described below based on the drawings. In Figs. 1 and 2, reference numeral 1 denotes an overhead conveyor, in which a trolley 2 is connected with an approximately L-shaped hanger 5 for hanging coils, which consists of a horizontal rod part 3 for hanging coils and a vertical rod part 5. . The horizontal rod portion 3 is in a direction perpendicular to the hanger movement path, and the direction of the coil axis 6A of the suspended end-bound coil 6 is a horizontal direction perpendicular to the hanger movement path. 7,
Reference numeral 8 denotes a trolley, which is positioned on both sides of the hanger 5 which is stopped by a hanger stop device (not shown). These carts 7, 8 have wheels 10, 1 mounted on guide rails 9 installed on the floor so as to be parallel to the coil axis 6A.
1, and these wheels 10,
11 is interlocked and connected to a drive device (not shown) mounted on the carts 7 and 8. Therefore, both the bogies 7 and 8 can move toward and away from each other, and by moving toward each other, the opposing clamping surfaces of the clamping pressure plates 12 and 13 provided on the front surfaces of the bogies 7 and 8 move the horizontal coil 6 toward the coil axis 6A. It is configured to be clamped from both directions. Reference numeral 14 denotes a U-shaped guide frame disposed behind the clamping pressure plate 12 of one of the carts 7, which is disposed horizontally so that both ends are located at the back of the clamping pressure plate 12, and is also used for the operation of the cylinder device 15. Therefore, this clamping pressure plate 1
2, it is configured so that it can be moved in and out. Reference numeral 16 denotes a pair of straight guide frames projecting in front of the clamping plate 13 of the other truck 8, and a pair of straight guide frames 16 are provided in parallel so that their ends are connected to the U-shaped guide frame 14. These guide frames 14,
Reference numeral 16 is for winding a binding string (such as iron wire) 17 fed from a supply section provided at the rear of the other truck 8 around the part of the coil 6 to be bound. 16 as one set, a plurality of sets (four sets) are provided to wind the coil 6 at a plurality of locations at constant angles in the circumferential direction (in the embodiment, four locations at 90 degree intervals). 18 is each straight guide frame 16
A binding device provided on the outside of the coil is configured to tightly bind the binding string 17 wound around the area to be bound, and to be movable toward and away from the outer peripheral surface of the coil. Reference numeral 19 indicates a forward/reverse forced transfer mechanism that supplies and pulls back the binding string 17. A forced clamping device 20 is provided between the bogies 7 and 8. That is, 21 is a movable rod-shaped body disposed on one of the carriages 7, which moves toward and away from the other carriage 8 on the binding axis by the operation of a cylinder device 22 attached to the carriage 7, and also moves toward and away from the other carriage 8 on the binding axis. is engaged part 2
3 is formed. The clamping plate 13 of the other truck 8 has a hole 24 through which the engaged portion 23 passes.
An engaging tool 25b is provided on the back surface of the clamping pressure plate 13 and can be freely engaged with and detached from the engaged portion 23 by the operation of the cylinder device 25a. 26
is a clamping pressure amount detection device which detects the clamping pressure amount when the final clamping pressure is performed by the forcible clamping device 20 based on the moving distance of both carts 7 and 8. 27 is a lift device disposed below the hanger stop position, and as shown in FIGS. 3 to 8, it includes a machine frame 28, a lifting platform 30 attached to this machine frame 28 via a cylinder device 29, A guide rod 31 that guides the lifting and lowering of the lifting table 30, and two rollers 32 disposed on the upper part of the lifting table 30.
A and 32B are the basic configuration. The roller 32
A, 32B are arranged side by side with their axes aligned with the coil axis 6A, and the roller shafts 33A,
Both ends of 33B are supported on the lifting platform 30 side via bearings 34A and 34B. and roller 32
Both sides of the lower part of the central portion in the longitudinal direction of A and 32B are received by a pair of receiving rollers 36A and 36B, respectively, which are disposed on the lifting table 30 via support members 35A and 35B. The rollers 32A, 32
Driving shafts 37A and 37B are provided below B from the middle part to the other end, and these driving shafts 37A and 37B are connected to bearings 38A and 38B.
It is rotatably supported by the lifting platform 30 via. Passive wheel bodies 39A, 39B are attached to the other ends of both roller shafts 33A, 33B, and transmission wheel bodies 40A, 39B are attached to the other ends of the drive shafts 37A, 37B.
40B is installed. Endless rotating bodies 41A and 41B are wound between the upper and lower opposing wheels, between 39A and 40A, and between 39B and 40B.
Also, the inner end (one end) of the drive shafts 37A, 37B
Transmission wheel bodies 42A and 42B are respectively attached to the
An endless rotating body 4 between these transmission wheels 42A and 42B
3 is wound. and drive shaft 3 on one side
A passive wheel body 44 is attached to 7A, and an endless rotating body 48 is wound between the drive wheel body 47 attached to the output shaft 46 of the motor 45 disposed on the lifting platform 30 and the passive wheel body 44. . A rotation amount detection device 49 is disposed opposite one end of one roller 32A, and this rotation amount detection device 49 includes a rotation transducer 51 attached to the lifting table 30 via a bracket 50, and its shaft 52. It consists of a joint 54 attached via a coupling ring 53, and this joint 54 is connected to the roller shaft 33A.

The operation of the above embodiment will be explained below. First, the hanger 5 suspending the unbound coil 6 is stopped by a hanger stop device. Before reaching this point, that is, before loading the coil 6 onto the hanger 5 or during suspended conveyance, the outer diameter of the coil 6 is read. This reading is performed based on the type of coil 6, direct measurement, etc., and a pulse count number based on the reading is given to a control device (not shown).
After stopping the hanger 5, both rollers 32A, 3 are moved via the lifting platform 30 by the operation of the lift device 27.
2B and slightly lift the coil 6 from the horizontal rod part 3. The amount of lifting at that time is determined by controlling the cylinder device 29 by the control device based on the pulse count number read as described above, so that the coil axis 6A coincides or almost coincides with the binding axis. Next, both carts 7 and 8 are moved closer to each other, and the coil 6 is clamped in the direction of the coil axis 6A by the coil clamping pressure surfaces of both clamping pressure plates 12 and 13. Then, the forced clamping device 20 is activated. That is, the actuation of the cylinder device 22 causes the movable rod-shaped body 21 to protrude and move, and the engaged portion 23 of the movable rod-shaped body 21 is caused to penetrate through the hole 24 . Next, with the engaging tool 25b engaged with the engaged portion 23 by the operation of the cylinder device 25a, the movable rod-shaped body 21 is moved in and out by the reverse operation of the cylinder device 22 to that described above. As a result, a force is generated that tries to bring the coil clamping pressure surfaces closer to the center of the coil 6, and the coil 6 clamped by the coil clamping pressure surfaces is tightened and arranged with uniform force in the circumferential direction, that is, the final clamping pressure is performed. be exposed. The clamping pressure amount (clamping pressure) at that time is detected by the clamping pressure amount detection device 33, and is stored in the control device. At this time, the straight guide frame 16 is located on the inside and outside of the coil 6, and the U-shaped guide frame 14 is moved forward by the operation of the cylinder device 15.
Both ends of the guide frame 16 are connected to the tip of the straight guide frame 16, thereby forming an intended guide path surrounding the part to be bound. In this state, the bundling work is started. First, the forward/reverse forced transfer mechanism 19 is activated, and the bundling string 1 in the supply section is moved.
7 is forcibly sent. Then, the binding string 16 passes through the outer straight guide frame 16, the U-shaped guide frame 14, and the inner straight guide frame 16, and its free end reaches the binding device 18. Next, the free end is clamped by the binding device 18, and the forward/reverse forced transfer mechanism 19 is operated in the opposite direction to that described above. As a result, the binding string 16 is forcibly pulled back with its free end fixed, detached from each guide frame 16, 14, and tightly wound around the part of the coil 6 to be bound. By operating the binding device 18 in this state, simultaneous binding at four locations at 90 degree intervals is performed as shown in FIG. Next, the forced clamping pressure device 20 is released by opening the cylinder device 22, and both carts 7 and 8 are moved apart by a small amount, and the amount of opening is given to the control device. In this state, the motor 45 is driven to rotate both drive shafts 37A, 37B in the same direction via the endless rotating bodies 48, 43. The rotation of these drive shafts 37A, 37B is transmitted to both rollers 32A, 32B via endless rotating bodies 41A, 41B, respectively.
The coil 6 is rotated around the coil axis 6A by the rotation of the coils 2A and 32B in the same direction. At this time, both rollers 32A and 32B have their center portions connected to the receiving roller 3.
Since it is supported by 6A and 36B, it rotates smoothly without bending. The rotation amount of the roller 32A is detected by the rotation amount detection device 49, and the pulse count thereof is given to the control device and compared with the pulse count number (set count number) obtained by reading as described above. When both counts match, the motor 45 is stopped, and the coil 6 is rotated 45 degrees and then stopped. Next, both carts 7 and 8
Clamping pressure due to the approach of , and final clamping pressure by the forced clamping device 20 are performed. The second final clamping pressure at that time is performed until the clamping pressure amount detected by the clamping pressure amount detection device 26 becomes equal to the previous (first) stored clamping pressure amount. Therefore, the second four-point binding is
As shown in the imaginary line in Figure 11, the previous binding (solid line)
This will be done at a location 45 degrees out of phase with the previous one, and under the same amount of final clamping pressure as before. After that, the forced clamping device 20 is completely released, and both carts 7,
8 complete separation movement, and both rollers 32
By lowering A and 32B, the bundled coil can be transferred to the hanger 5 and taken out.

In the above example, we described a total of 8 locations that are tied simultaneously at 4 locations and rotated at 45 degrees, but this is also possible with simultaneous tying at 4 locations and 12 locations in total by rotating 2 times at 30 degrees, or tying at 3 locations simultaneously. It can be tied in a variety of ways, including 60-degree rotation at a total of six locations.

Effects of the invention According to the invention having the above configuration, the following effects can be expected. In other words, the rotation of the coil when repeatedly bundling multiple locations at the same time can be done by rotating both rollers, which also serve as a coil lifting device, in the same direction using a motor, and at this time, the center of the roller is rotated by the receiving roller. Since it is received from below by the handle, it can be rotated smoothly without bending. The amount of rotation of the roller is detected by a rotation amount detection device, and the motor is stopped when the detected value matches a preset value, so that the coil always rotates at an accurate angle and without inching. It can be carried out efficiently and easily regardless of the weight of the coil.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention, in which Fig. 1 is a front view, Fig. 2 is a side view, Fig. 3 is a front view of the lift device section, Fig. 4 is a longitudinal sectional side view of the main part, and Fig. 5 The figures are the same plan view, Figure 6 is a vertical sectional front view of the same main part, Figure 7 is a side view of the same, Figure 8 is a front view of the same main part, Figure 9 is a flowchart, and Figures 10 and 11. The figure is an explanatory diagram showing a bundled state. 1... Overhead conveyor, 5... Coil hanging hanger, 6... Coil, 6A... Coil axis, 7, 8... Cart, 12, 13... Clamping plate, 1
4... U-shaped guide frame, 16... Straight guide frame, 17...
... Binding string, 18... Binding device, 19... Forward/reverse forced transfer mechanism, 20... Forced clamping device, 27... Lift device, 29... Cylinder device, 30... Lifting platform, 32A, 32B... ...Roller, 36A, 36B
... Reception roller, 37A, 37B ... Drive shaft, 45 ... Motor, 49 ... Rotation amount detection device.

Claims (1)

[Scope of utility model registration request] A pair of carts, which are movable toward and away from each other and have a clamping plate on the front, are provided on both sides of the stop position of a hanger for hanging a coil horizontally. A coil binding in which a cart is equipped with a guide frame for winding and guiding the binding string over the outer surface, a binding device for tightening and bundling the binding string, and a forward and reverse forced transfer mechanism for supplying and pulling back the binding string. In the machine, a lift device is provided below the stop position, the lift device has a lifting platform, and two rollers along the coil axis are arranged in parallel at a predetermined interval on the upper part of the lifting platform. At the same time, receiving rollers for receiving both sides of the lower part of these rollers are provided on the lifting platform, and drive shafts are installed in parallel below both rollers.
Upper and lower opposed rollers and a drive shaft are interlocked and connected, and the drive shaft is interlocked and connected to a motor;
A coil binding machine characterized in that a rotation amount detection device is provided opposite to one roller.