JPH04134210U - Laying pipe forming equipment - Google Patents

Abstract

(57) [Summary] [Purpose] The shape of the curved part of the pipe can be formed into an optimal shape at the stage of forming, thereby improving the ring pattern of the ring-shaped wire and the life of the pipe. [Structure] One end of the pipe material to be formed is fixed to the shaft of the forming machine main body, and the other end of the pipe material to be formed is pressed onto a plurality of V blocks placed on the forming drum of the forming machine main body to form the material by bending. In the laying pipe forming apparatus, the V block is placed in the circumferential direction of the forming drum, in the rotational axis direction of the forming machine body,
It is designed to be held so that its position can be adjusted in the composite direction of the circumferential direction of the forming drum and the rotation axis direction of the forming machine main body, and in the normal direction of the circumferential surface of the forming drum.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

The present invention is attached to a winding device that forms rolled wire into a ring shape. For laying pipe forming equipment that bends and forms laying pipes that serve as guide pipes for drawn wire. related.

0002

[Conventional technology]

A device that winds the wire rod sent out from the finishing rolling mill into a ring shape and sends it out onto the conveyor. As a pipe support assembly bolted to a hollow shaft (quill shaft). A guide tube made of rolled wire rod called a laying pipe is wound spirally around the assembly, and the layer is The tip of the quill shaft is exposed at the tip of the quill shaft, and the wire is inserted into the tip of the quill shaft. Rotate together with the quill shaft while being inserted into the laying pipe from the rolling mill side. A layer winding device is known that discharges a ring shape from the tip of a pipe. The laying pipe has its base end facing forward in order to smoothly guide the flow of the rolled wire rod. It extends parallel to the path line of the marking material and gradually spirals with a constant curvature toward the tip. It is molded into a curved three-dimensional shape. Form a laying pipe like this As a device, a laying pipe is attached to the outer circumference of a rotatably supported cylindrical double molded body. A stepped edge that matches the curved shape of the pipe is formed, and the heated laying pipe material is heated. One end is fixed horizontally to the end of the molded body, and while the molded body is rotated, the other end of the material is There is a device that bends and forms the end side along the stepped edge of the molded body (for example, a special Publication No. 1-48089).

0003 Ring condition of the ring-shaped wire discharged from the laying head onto the conveyor (ring condition) The wire diameter, the wire feed speed, the inclination angle of the laying head, and the laying pattern It is influenced by the shape of the exit side of the pipe and various other factors. One of these days, Laingpa As a method to improve the ring pattern by changing the shape of the ring, An adjustable hook with a laying head is proposed in Japanese Patent No. 0015. child This is when attaching the laying pipe to the quill shaft. Another adjustment hook is attached to the fixed hook provided at the outlet so that the position can be adjusted, and the adjustment Use the hook to hold the laying pipe, and slide the adjustment hook if necessary. After adjusting the position, fix the adjustment hook to the fixed hook with the screw and nut. I try to do that.

0004

[Problem that the idea aims to solve]

In this type of winding device, when the inner surface of the laying pipe is inspected after use, Because the contact position with the wire remains as a trace, it is difficult to determine where the wire is on the laying pipe. You can see how it flows. Therefore, by changing this contact position, the tip of the pipe can be Change or improve the ring pattern and pipe life of wire discharged from However, with the conventional bending processing equipment mentioned above, the operating conditions are It is not possible to change the shape of the pipe to suit your needs. In contrast, the above-mentioned -When installing the laying pipe, like the adjustable hook in Publication No. 50015, The device that changes the exit angle of Although it is possible to improve the ring pattern for each wire size by changing the thrust, Since the adjustment is only made near the exit end of the laying pipe, there is a lot of variation in effectiveness, making it unreliable. There was a problem with sexuality.

[0005] This invention allows the pipe outlet side to be optimally shaped over a wide range during the bending process of the pipe material. moldable resins that can be molded to improve ring patterns and pipe life. An object of the present invention is to provide an ing pipe forming device.

[0006]

[Means to solve the problem]

According to the present invention, the pipe to be formed is attached to the small diameter shaft of the rotatably supported forming machine body. One end is fixed, and the other end of the pipe to be formed is attached to the tip of the forming drum of the forming machine main body. Laying pattern that is pressed and bent onto multiple V-blocks arranged circumferentially on the side. In the molding device, the V block is placed in the circumferential direction of the molding drum and in the molding machine. The rotational axis direction of the main body, the composite direction of the circumferential direction and the rotational axis direction, and the direction of the forming drum. A laying pipe is attached to the forming drum so that its position can be adjusted in the normal direction of the circumferential surface. A shaped device is provided.

[0007]

【Example】

Next, embodiments of the present invention will be described with reference to the drawings. Figure 1 shows the implementation of this invention. 1 is a schematic overall side view of a laying pipe forming machine according to an example; FIG. The molding machine body is horizontal A small-diameter shaft portion 1 extending to A small diameter shaft portion 1 is rotatably supported on a support base 3 at an appropriate location. An air motor 5 is connected to an end of the small diameter shaft portion 1 via a speed reducer 4 . molded The outer circumference of the ram 2 has a V-shaped outer surface from an appropriate position near the small diameter shaft to the tip. The plurality of V-blocks 6, each of which has a shape of a groove, are arranged in a spiral shape with a widening tip as a whole. It is set up so that The laying pipe material 7, which is the material to be formed, is heated to 1100 yen in a heating furnace. It is heated to ~1200℃, and before it cools down, one end of it is exposed to the small diameter shaft of the molding machine main body. It is fixed by a fixing device 8 on the outer side of the shaft near the rear end, and from this position along the shaft. is extended by a certain length, and is attached to the small diameter shaft part 1 as the molding machine main body rotates. It is gradually bent outward by the attached initial bending jig 14, and then formed into a larger diameter. 1 and 3, which are successively pressed against the V-shaped grooves of the V-block 6 provided on the drum 2. The pipe is formed into a predetermined curved pipe that resembles a spiral shape with a widening tip as a whole, as shown in Figure 4. Shaped.

[0008] As shown in FIG. 2, the V block 6 in this embodiment has a bolt 9 on its back surface. It is fixed, and the bolt 9 of the V block 6 is inserted into the V block mounting part of the forming drum 2. A hole 10 is drilled therein. This bolt insertion hole 10 has a gap between it and the bolt 9. The V block 6 has a large diameter hole or a long hole so that it has a Along the mounting surface of drum 2, in the circumferential direction of the forming drum, in the direction of the rotation axis of the forming machine main body, The position can be adjusted in the direction of synthesis. Also, the back side of the V block and the mounting surface of forming drum 2. An adjustment shim 11 is sandwiched between the It is fixed by tightening the nut 13 onto the bolt 9 via the shear 12. tone By changing the thickness of the adjusting shim 11, the V block 6 is aligned with the normal to the circumferential surface of the forming drum 2. The position can also be adjusted in the direction. Reason for the curve of the laying pipe that you are trying to obtain. The theoretical position is determined in advance on the forming drum 2 by a marking line, and this position is used as a reference. The V block 6 can be moved in the Z direction and/or depending on the usage conditions and operational data. Move the pipe by the desired amount in the R direction and push the pipe to be formed onto this V block 6. Then bend and form. In this way, the laying pipe 15 is formed during the forming process. By changing the shape, it is possible to obtain a laying pipe with a predetermined shape.

[0009] The tip of the laying pipe 15 formed into a predetermined shape in this way is It is attached to the hollow shaft (quill shaft) of the quill shaft. laying pipe The straight part on the rear end side passes through the hollow shaft (quill shaft) and is connected to the laying pipe. A cone-shaped part that extends from the curved part to the outer circumference of the shaft and is connected to the shaft with a bolt. Looking at the pipe support assembly. From the curved part to the tip of the laying pipe 15 is a pipe support assembly bolted to the hollow shaft (quill shaft). By attaching an inverted U-shaped eccentric clamp to the clamp boss fixed to the assembly. and is held within the eccentric clamp. As shown in Fig. 5, the clamp boss 16 and Adjustment shims 18 and 19 are sandwiched between the center clamp 17 and a fixed bolt passing through them. The eccentric clamp 17 is fixed to the clamp boss 16 by the bolt 20 and nut 21. It will be done. In this case, the clamp boss 16 is fixed at a predetermined theoretical position. As mentioned above, the shape of the laying pipe 15 is changed from the theoretical shape depending on the usage conditions, etc. Therefore, the thickness of the adjusting shims 18 and 19 can be changed in accordance with the changed shape. The holding position in the Z direction can be adjusted by this. In addition, two adjustments are required as shown in the diagram. By using shims 18 and 19, the balance due to the rotation of the laying head is not lost. As such, the total weight of the eccentric clamp 17 and shims 18 and 19 can always be the same. Ru. A fixing bolt 22 that also serves as an adjustment is screwed into the top of the eccentric clamp 17, and the This prevents the laying pipe 15 from being pushed out in the R direction due to centrifugal force when the laying head rotates. It is restrained by the tip of the fixed bolt 22. If you adjust the screwing amount of the fixing bolt 22, the R side It is also possible to change the shape of the laying pipe 15 on the opposite side.

0010

[Effect of the idea]

As explained above, according to the present invention, it is possible to change the shape into the desired shape when forming the laying pipe. When installing a laying pipe, only the tip of the pipe is installed. Wire size, usage conditions, and operational data can be adjusted over a wider range than when adjusting the position of A laying pipe with an optimal shape can be obtained according to the It is possible to improve the ring pattern and extend the life of the laying pipe.

[Brief explanation of drawings]

FIG. 1 is a schematic overall side view of a laying pipe forming machine according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view showing an example of a V-block holding structure according to the present invention.

FIG. 3 is a schematic side view of the laying pipe.

FIG. 4 is a front view of the laying pipe viewed from the axial direction.

FIG. 5 is a cross-sectional view of the fixing portion of the laying pipe in the laying head.

[Explanation of symbols]

1 Small diameter shaft part 2 Molding drum 6 V block 7 Laying pipe material 8 Fixation device 9 bolts 10 Bolt insertion hole 11 Adjustment shim 15 Laying pipe 16 Clamp boss 17 Eccentric clamp 18,19 Adjustment shim 22 Fixing bolt

Claims (1)

[Scope of utility model registration request] Claim 1: One end of a pipe to be formed is fixed to a small-diameter shaft portion of a rotatably supported molding machine main body, and the other end of the pipe to be formed is attached to the tip side of a forming drum of the molding machine main body in the circumferential direction. In a laying pipe forming apparatus that presses and bends onto a plurality of V blocks arranged in
A laying pipe forming apparatus, characterized in that it is attached to the forming drum so that its position can be adjusted in a synthetic direction of the circumferential direction and the rotating shaft direction, and in a normal direction to the circumferential surface of the forming drum.