JPH0343188B2 - - Google Patents

Description

Detailed Description of the Invention (Field of Industrial Application) The present invention relates to a tube in which a tube such as a resin flexible electric wire is wound into predetermined lengths and the wound tube bundle is tied at appropriate locations. Regarding the automatic winding binding machine.

(Prior Art) Conventionally, for example, flexible electrical conduits made of resin (hereinafter simply referred to as electrical conduits) have been manually wound and tied one by one for each product. In other words, the end of the conduit sent out from the extruder is fixed to the winding drum of the winding machine, and a certain amount of the conduit is wound around the winding drum.After winding, the operator cuts the wound end of the conduit with scissors. However, this was done by manual labor, such as wrapping and binding bundles of conduits with tape, and then unwrapping the conduits from the winding drum. For this reason, production efficiency has been limited and costs have also increased.

(Problems to be Solved by the Invention) The present invention aims to improve production efficiency by automating the process from winding to bundling of tubes such as electrical conduits, which require the conventional means of workers. The present invention aims to provide an automatic winding and tying machine for such pipes.

(Means for Solving the Problem) That is, the automatic pipe winding and tying machine according to the present invention includes a traverse device that sequentially changes the supply position of the pipe to the winding drum, and a chuck portion that fixes one end of the pipe. a plurality of winding drums disposed at a winding position and a bundling position, a switching device for reversing the plurality of winding drums and switching their positions between the winding position and the bundling position, and a pipe winding device. Move the unloaded winding drum from the winding position to the bundling position, wrap the tube over the replaced empty winding drum, fix the tube to the chuck of the empty winding drum, and then return to the winding position. a pipe cutting device that cuts the pipe between the and the bundling position;
A tube holding device that prevents the tubes wound on the winding drum at the binding position from loosening, and a tube holding device that binds the tubes wound on the winding drum in conjunction with the intermittent rotation of the winding drum at the binding position. It is characterized by having a binding position.

(Function) In the case of such an automatic pipe winding and binding machine, after replacing the winding drum with which the pipe is wound and the empty winding drum, and fixing the pipe to the chuck of the empty winding drum, , the pipe is cut, the wound pipe is bundled, and the replaced empty winding drum is used to start winding the next pipe, thereby continuously winding and binding the pipe. It's getting old.

(Example) Hereinafter, the present invention will be described in detail according to an example shown in the drawings.

The figure shows an automatic conduit winding and tying machine, and its outline is as shown in Figures 1 and 2, including a traverse device 1, a winding drum 2, a shunting device 3, and a tube cutting device. 4, a presser device 5 and a binding position 6.

Although not shown, the traverse device 1 includes a pair of rotating rolls 11 that determine the vertical direction of the conduit P sent out from an extruder, and a pair of rotating rolls that are perpendicular to the rotating rolls 11 and determine the horizontal direction of the conduit P. 12, and a shaft 14 having a spiral groove for reciprocating the base 13 in the left-right direction. As a result, the supply position of the conduit P to the winding drum 2 at the winding position is sequentially changed, and the winding drum 2 winds up the conduit P so that it has a uniform height. There is. Further, the base 13 is provided with a measuring roll 15 for detecting the supplied length of the electrical conduit P in order to set the winding length of the electrical conduit P.

In the present invention, the traverse device 1 is not limited to the one in the above-described embodiment. The supply position of P may be changed sequentially.

Next, in this embodiment, the winding drum 2 is provided with two winding drums 2a located at the winding position and a winding drum 2b located at the binding position, and is a shunting device 3. They are rotatably provided at both ends of the arm 31, respectively. Each winding drum 2 has a gear 3.
Motor 2 via 2, 33 and belts 21, 22
It is connected to 3 and 24. Side plate 2 of winding drum 2
6 is provided with an opening 20, into which a tape guide 61 of a binding device 6, which will be described later, can be inserted. The side plate 26 of the winding drum 2 is provided with a link mechanism as shown in FIG. 5, and is configured to be folded forward (toward the near side in FIG. 1) by a cylinder 29. Furthermore, a groove 25 into which the electric conduit P can be fitted is formed at the side end of the winding surface of the winding drum 2. A beak-shaped claw 27 that presses down the electric conduit P fitted into the groove 25 from above, and a cylinder 2 that rotates this claw 27.
8 is the side plate 2 of the winding drum 2.
6. This chuck portion allows one end of the electric conduit P to be fixed. In addition, in the present invention, the number of winding drums 2 may be two or more.

The shunting device 3 includes an arm 31, a belt 35 that is passed around a rotating shaft 34 of the arm 31, and a belt 3
The winding drum 2 at both ends of the arm 31 is reversed about a rotation shaft 34.

In the embodiment, the arm 31 is individually fixed by a notch 38 when not inverted. That is, when winding the conduit P onto the winding drum 2, the notch 38 fits into the notch groove 37 formed at one end of the arm 31 to fix the arm 38 and stabilize the rotational movement of the winding drum 2. When the winding is finished and the arm 31 is reversed, the notch 38 is removed from the notch groove 37 in order to release the fixation of the arm 38 at the signal of the end of the winding, and the arm 31 is operated so as to be in a reversible state. It's summery.

Further, in the embodiment, the arm 31 is fixed in a rightward downward position (FIG. 1). This means that the winding drum 2a that winds the conduit P is placed in a high position (on the left side in Figure 1), and the winding drum 2b that has finished winding the conduit P is placed in a low position (on the right side in Figure 1).
After the arm 31 is reversed, the height of the winding drum 2b that has finished winding the electrical conduit P and the winding drum 2a that will next wind the electrical conduit P are determined by
The height of the groove 25 provided on the winding surface of the winding drum 2a can be matched with the height of the groove 25 of the winding drum 2a. Therefore, the electric conduit P can be fitted into the groove 25 of the winding drum 2a, and the next winding operation can be performed smoothly. This is because that. In addition,
When the winding drum 2 is reversed, the winding drum 2 that has wound the electric conduit P is pulled by the electric conduit P and rotates in the opposite direction to bend the electric conduit P, so that the rotation of the winding drum 2 is Preferably, the shaft is provided with a one-way clutch.

Note that the replacement of the winding drum 2 according to the present invention is not limited to the replacement device 3 that reverses the winding drum 2 as in the above embodiment, but may also be replaced by, for example, replacing the winding drum 2 by moving it in a straight line. It may be a device.

As shown in FIGS. 4 and 5, the tube holding device 5 includes a holding plate 51 that presses down the conduit P wound on the winding drum 2 from the outside, and a cylinder 52 that moves the holding plate 51 up and down. When the arm 31 of the shunting device 3 is reversed, the press plate 51 is positioned vertically, and after the arm 31 is reversed, the press plate 51 is lowered and the conduit P wound on the winding drum 2 is It is designed to be pressed outward.

Therefore, the tube holding device 5 is designed to prevent the electrical conduit P wound around the winding drum 2 from loosening. Further, the tube holding device 5 has the function of fixing one end of the conduit P when the conduit P is cut by a tube cutting device described later, and also has the function of preventing the cut conduit P from coming apart. have.

In this embodiment, the tube cutting device 4 has a rotary cutter 41 at its tip, as shown in FIG. (towards the front and back in Figure 1). This movement is performed by the traverse device 1 after winding the conduit P on the winding drum 2.
It is designed to respond to the movements of That is,
After the winding drum 2 winds up a certain amount of conduit P,
The tube cutting device 4 is adapted to move as the traverse device 1 attempts to return to the initial position where winding of the conduit P starts.

The tip of the tube cutting device 4 has a front opening larger than the tube diameter of the electric conduit P, and a rear portion having a notch 45 that is made smaller toward the rotating shaft 46 of the cutter 41, so that when the tube cutting device 4 is moved forward, Cut the conduit P into this cut 4
It's starting to come down to 5. Further, the cutter 41 is housed above the notch 45, and is lowered via a chain 42 by a rotary cylinder 43 which is a drive source for the cutter 41. Further, the entire tube cutting device 4 is moved back and forth by the action of the cylinder 44. Thus, the conduit P is cut by moving the tube cutting device 4 forward (to the front side in FIG. 1) to fit the conduit P into the notch 45 and to the winding start position of the winding drum 2. This is done by moving the conduit P and lowering the cutter 41.

At the binding position 6, a tape guide 61 for passing the binding tape 64 wound around the bundle of conduit P that has been wound up, and a tape guide 61 for passing the binding tape 64 wound around the bundle of conduit P are tightened and the binding tape 64 is tightened. It includes a binding section 62 that cuts the ends, and a tape supply section 63 that supplies binding tape 64. The binding part 62 and the tape guide 61 are connected to the cylinder 6 on the rail 65.
6, and when bundling, it is moved forward (to the left in Figure 1) and positioned at the bundling position where the bundle of conduit P wound around the winding drum 2 is bound, and after the bundling is completed. , and backward (rightward in FIG. 1) to enable the arm 31 of the shunting device 3 to be reversed. Further, as shown in FIG. 6, the tape guide 61 is configured to be opened in both directions by rotating shafts 67 and 68, and is linked with the intermittent rotation of the winding drum 2 to move the bundle of conduit pipes P to appropriate locations. It opens and closes each time it is tied. That is, the opening 20 of the winding drum 2 is directed toward the tape guide 61 of the binding device 6, and the winding drum 2 is stopped rotating.
The tape guide 61 is expanded, the binding device 6 is advanced, and the tape guide 61 is closed so as to embrace the tube bundle, thereby binding the tube bundle. Tape guide 61 after binding
are expanded again, and the binding device 6 is retracted by the operation of the cylinder 66. Then, the winding drum 2 is stopped rotating so that the next opening 20 of the winding drum 2 faces the tape guide 61 of the binding device 6. The binding device 6 is moved forward again and the tape guide 61 is closed so as to embrace the tube bundle, thereby binding the tube bundle. This action is repeated over and over again.

In the embodiment, the stop position of the winding drum 2 when cutting the electrical conduit P, the stopping position of the winding drum 2 when bundling the electrical conduit P, or the arm 31 of the shunting device 3
Various sensors such as photoelectric sensors are mainly used to detect the rotational position of the arm 31 when the arm 31 is reversed. In addition, in the embodiment, air cylinders operated by pneumatic pressure are used, and the pipes that supply air to these cylinders are connected to the winding drum 2.
The structure is such that the rotating shaft of the arm 31 and the rotating shaft 34 of the arm 31 are accommodated.

Next, the operating state of this automatic winding and binding machine will be explained. First, one end of the electrical conduit P sent out from the extruder is moved to the rotating roll 1 of the traverse device 1.
1 and 12 and fixed in the groove 25 of the chuck portion of the winding drum 2a at the winding position. At this time, the base 13 of the traverse device 1 is connected to the winding drum 2.
It is placed on the front side in FIG. 1 so as to match the position of the groove 25 in FIG. Further, the binding device 6 is placed in a retracted position (toward the right in FIG. 1). Operate the machine in this state. Winding is started by the operation of the machine. The conduit P is transported by a traverse device 1 that sequentially changes the supply position of the conduit P to the winding drum 2a.
It is wound to a uniform height and a fixed amount is wound based on the set winding amount. After winding up the conduit P, the rotation of the winding drum 2a is stopped and the shunting device 3 is activated, and the notch 38 that fixes the arm 31 is released, and both ends of the arm 31 are rotated around the rotation axis 34 of the arm 31. The winding drums 2a and 2b are reversed. At this time, the rotating shafts of the winding drums 2a and 2b are configured as gears, and the gears 32 and 33 of the arm 31
It has a latching structure and is designed to come off at the same time as the arm 31 rotates.

The winding drum 2a that has wound the electric conduit P moves to the binding position by reversing the arm 31. and,
The outside of the conduit P is held down by a tube holding device 5 to prevent the conduit P from loosening. Furthermore, the tube cutting device 4 moves and the electric conduit P is removed from the winding drum 2a.
The conduit P is moved to the winding start position, one end of the conduit P is fixed by the chuck portion, and the winding end of the conduit P is cut.

The winding drum 2a, which is in the winding position with one end of the electric conduit P fixed by the chuck portion, starts winding up the next electric conduit P. On the other hand, the winding drum 2b which is in the binding position after winding up the electric conduit P faces the opening 20 toward the tape guide 61 of the binding device 6 and stops rotating. The winding drum 2b rotates intermittently, and in conjunction with this, the binding device 6 binds the bundle of electrical conduits P. Binding is done as follows.

With the tape guide 61 of the binding device 6 expanded, the binding device 6 moves forward to the binding position. The tape guide 61 is closed, the binding tape 64 is passed through the tape guide 61, and then the binding tape 64 is wrapped around the bundle of electrical conduits P by the binding portion 62. After binding, the tape guide 61 opens, and in this embodiment, the winding drum 2 rotates by 120 degrees. After the winding drum 2 rotates, the tape guide 61 closes again and the electrical conduits P are bundled. This operation is repeated, and the conduit P is bundled at three locations. After the binding is completed, the binding device 6 retreats to its original position.

Next, the side plate 26 of the winding drum 2 falls forward (toward the near side in FIG. 1) by the actuation of the cylinder 29, and the bundle of electrical conduits P is bound by the extrusion cylinder 70 provided at the rear of the winding drum 2. (Fig. 8) is pushed forward. The extruded tube bundle is separately conveyed by a belt conveyor or the like.

(Effects of the Invention) The automatic pipe winding and tying machine according to the present invention replaces the winding drum used for winding the pipe with the empty winding drum, fixes the pipe to the chuck portion of the empty winding drum, and then The system automates the process from winding to bundling tubes such as electrical conduits by cutting the tubes, binding the wound tubes, and starting the winding of the next tube on the replaced empty winding drum. , can be performed continuously,
This makes it possible to significantly improve production efficiency, and also to reduce costs and save labor.

[Brief explanation of drawings]

The figures show an automatic winding and tying machine for electric conduit tubes, which is an embodiment of the present invention.
The figure is a plan view of the entire structure, Figure 3 is a front view of the tube cutting device, Figure 4 is a front view of the tube holding device, Figure 5 is a side view of Figure 4, and Figure 6 is in the bundling position. FIG. 7 is a side view showing the operating state of the winding drum, FIG. 7 is a plan view showing the operating state of the bundling device, and FIG. 8 is a front view showing the electrical conduit after bundling. In the figure, 1 is a traverse device, 2 is a winding drum,
3 is a shunting device, 4 is a tube cutting device, 5 is a tube holding device, and 6 is a binding device.

Claims (1)

[Claims] 1. A traverse device that sequentially changes the supply position of the tube to the winding drum, and a chuck portion that fixes one end of the tube, and a plurality of winders arranged at the winding position and the bundling position. a drum; a switching device for reversing the plurality of winding drums and switching their positions between a winding position and a binding position; a tube cutting device that cuts the tube between the winding position and the bundling position after the tube is stretched over the replaced empty winding drum and the tube is fixed to the chuck portion of the empty winding drum; A tube holding device that prevents the tubes wound on the winding drum at the binding position from loosening; and a tube holding device that binds the tubes wound on the winding drum in conjunction with the intermittent rotation of the winding drum at the binding position. An automatic tube winding and tying machine comprising: a tying device;