JPS6331769Y2 - - Google Patents

Description

[Detailed explanation of the idea]

The present invention relates to a conveyor tractor device for conveying ring-shaped wire rods to a converging device without any trouble on a conveyor. First, a general wire rod manufacturing process will be explained. In FIG. 1, a wire rod 2 leaving a finishing rolling mill 1 is guided to a vertical winding machine 3. There is a spiral pipe 4 inside the winding machine 3, which forms the guided wire 2 into a ring shape. The rolled up rings are dropped onto a moving conveyor 5 and are conveyed in a non-concentric overlapping ring state. The ring-shaped wire being transported is fed into a converging device 7 by a tractor chain 6, and is formed into a coil shape. Among such ring-shaped wire transport devices, the conventional tractor chain 6 in particular has the following problems. That is, the leading end A of the ring-shaped wire rod may wrap around the sprocket of the tractor chain as shown in Figure 2a, or as shown in Figure 2b.
Problems may occur such as the leading end A getting stuck between the chain rings of the tractor chain, or the leading end A getting caught in the drive shaft of the tractor chain when being transported with the rear end standing B as shown in Figure 2 C. . However, A in the figure indicates the leading edge of the ring, and B
indicates the rear end of the ring. In order to prevent this problem, we have traditionally manually shaped the leading edge of the ring and the shape of the trailing edge of the ring, but such shaping work requires workers to be glued together and requires high-temperature work in a high-temperature atmosphere. Therefore, there are problems such as poor working environment. The present invention solves these conventional problems and does not cause any trouble regardless of the leading and trailing ends of the ring.
To provide a tractor device that can be transported without manual shaping work. The basic functions required for such a tractor device are as follows. Namely, the first function is to feed the ring-shaped wire horizontally to the converging device and hold it down so that the subsequent rings do not stand up as they are dragged by the ring falling into the converging device. Secondly, there are times when it is necessary to stop the conveyor due to problems with the converging device, etc. In this case, there is a layer directly below the winding machine with a height of about 200 mm, as shown in the thickness H in Figure 3. The ability to lift a coil of this thickness above this height in order to drop it into a focusing device for deposition. Thirdly, it is a function that prevents troubles caused by the tip of the ring being rolled in or caused by the back end of a thick object standing up. etc. are necessary. As shown in Fig. 4, the present inventors developed a device that satisfies these functions, has a compact structure, is easy to operate and maintain, and can be used to modify existing tractor chains at low equipment costs. We devised a tractor roller device that is elastic enough to hold down the ring, and prevents troubles such as the tip of the ring being rolled in or the rear end of thick objects standing up. That is, the device of the present invention has a speed controllable motor 9 and a tractor roller 8 driven by a bundle reducer 10 via a universal joint 11 at a position immediately before the ring-shaped wire falls above the convergence device.
Arms 15 are provided on both sides of the roller via bearings, and the arms 15 are further supported by a pedestal 16 via a rotation shaft 17. Depending on the ring height in the width direction of the conveyor, The roller 8
This is a ring-shaped wire tractor device characterized by comprising a cylinder 12 for vertically moving the machine, and a counterweight 13 for balancing the weight. Next, the configuration of the tractor roller device of the present invention will be described in detail below with reference to the drawings. FIG. 4a is a plan view of the device of the present invention, b is a side view, c is a sectional view taken along line AA in a, and d is a sectional view taken along line BB in a. The drive system of the tractor roller 8 is
It is composed of a speed controllable motor 9, a speed reducer 10, and a universal joint 11 that allows the roller 8 to move up and down.The roller 8 is moved up and down by an air cylinder 12, and the roller 8 , the weight is balanced by a counterweight 13. In this case, the shape of the roller is similar to that of a tapered roller, with ring rings 14 arranged in the center so as to provide pressure according to the ring density in the width direction of the conveyor. ring ring 14
may be provided with a conveyance claw to facilitate feeding of the ring. Further, the distance D in figure d indicates the lift distance. Figure 5 a, b, and c each have a wire diameter of 5.5φ,
13φ and a diagram showing the ring height in the conveyor width direction when the rings are deposited directly under the length cone. As shown in the figure, the ring height H in the width direction of the conveyor differs depending on the size.
4, a holding function is added in the width direction of the conveyor, and even if the tip of the ring-shaped wire is off-center, it always has a centering function. Therefore, troubles caused by tangles of wire rods when they fall are eliminated. Next, the function of the device of the present invention as a tractor roller will be explained below. As shown in Figure 1,
When the ring-shaped wire rod 2 is conveyed by the conveyor 5, the tractor roller is in a position as shown in Fig. 4b, rotating following the conveyor speed, and moving from the leading edge of the ring-shaped wire rod to the rear end. , and send it to the focusing device without any trouble. If a trouble occurs in the focusing device during rolling and the conveyor is stopped, the roller 8 is raised by a distance D as shown in Fig. 4d in order to feed the thickly wound coil to the focusing device as described above. . Therefore, the lift distance D only needs to be increased by a height exceeding the height H of the thickly wound coil. That is, when a trouble occurs and a residual coil is generated, the tractor roller 8 must be raised and passed under the roller. Next, the effects of using this device will be explained based on examples. First, regarding the effect of the device of the present invention on preventing troubles caused by tip rolling, as shown in Table 1, there were 8 troubles per month with the conventional tractor chain.
There were no problems with this device. Furthermore, we confirmed that even if a thick material with a standing tail of up to 200 mm occurs during operation, it can be transported to the converging device without any problem using a roller diameter of 285φ. It was also confirmed that the ring feeding into the focusing device was good.

[Table] As explained above, this device has a very compact structure, uses trouble-free transport rollers, and is a transport tractor roller device that has the ring holding function and lifting function necessary for transport. It becomes possible to transport ring-shaped wire rods without the need for shaping operations.

[Brief explanation of drawings]

Figure 1 a is an explanatory diagram of the wire manufacturing process, b is a partial plan view of diagram a, Figure 2 a, b, and c are explanatory diagrams of terminal winding troubles caused by tractor chains, and Figure 3 is a troubleshooting diagram. An explanatory diagram of the ring deposited directly under the winding machine at the time of occurrence, Fig. 4a is a plan view of the present invention, b is a side view of Fig. a, c is a sectional view taken along A-A of Fig. A, and d is B of Fig. -B sectional view, Figure 5a is the wire diameter
An explanatory diagram showing the ring height in the width direction of the conveyor when 5.5φ rings are piled up. Figure 5b shows the wire diameter 13φ.
FIG. 5c is an explanatory diagram showing the ring height in the width direction of the conveyor when rings are accumulated in the conveyor width direction. FIG. 1... Finishing rolling mill, 2... Wire rod, 3... Winding machine, 4... Winding machine pipe, 5... Conveyor, 6...
...Tractor chain, 7... Focusing device, 8...
Tractor roller, 9...Motor, 10...
Reducer, 11...Universal joint, 12
...Air cylinder, 13...Counterweight, 14...Ring, 15...Arm, 16
... mount, 17 ... rotation axis.

Claims (1)

[Scope of utility model registration request] In a tractor device for feeding ring-shaped wire rods from a conveyor to a collection device, a speed-controllable motor and speed reducer drive the device through a universal joint at a position above the collection device just before the ring-shaped wire material falls. A tractor roller is provided, and arms are provided on both sides of the roller via bearings, and the arms are further supported on a pedestal via a rotation shaft, and the roller A ring-shaped wire tractor device characterized by being equipped with a cylinder for vertical movement and a counterweight for balancing the weight.