JPS6012686Y2 - Chamfering and polishing equipment for pipe round bars - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a chamfering device for round pipes, round bars, etc., which is intended to perform extremely high-speed and reliable abrasive cutting of the curved outer circumferential surface of pipes, round bars, and the like.

Conventionally, chamfering of this kind of pipe round bar has been carried out using various polishing devices or cutting devices.
In most of these cases, the work was carried out after the round pipe rod, etc., which was intended for polishing, had been firmly fixed with some kind of fixing device.

However, with such a fixing method, it is difficult to securely support and fix pipe round rods that form curved parts, and especially when it comes to thin-walled pipes, it is not only extremely difficult to fix them. , there was a concern that the surface of the pipe would be damaged.

This invention focuses on the drawbacks of construction, and allows pipes of any diameter,
Not only can a round bar be fixed very easily, but the outer circumferential surface of the pipe or round bar can be reliably polished and cut at high speed.

Hereinafter, embodiments of the present invention will be described in detail with reference to illustrative drawings. An outer ring 3 is rotatable via a planetary gear 4 on the outside of an inner ring 1 having a pipe support rod 2 protruding from the center. At the same time, one or several rotary cutters 6 having a gear 5 that meshes with and rotates with the planetary gear 4 are protruded between the inner and outer wheels 1 and 3 substantially parallel to the pipe support rod 2. It is characterized by its location.

In some cases, the pipe support rod 2 can be inserted into and removed from the shaft center of the inner ring body 1, and the round bar to be cut can be directly inserted and supported, or the pipe support rod 2 can be shaped into a short pipe. Part of this is to insert and support a round rod inside the pipe.

Note that the power portion is omitted in the illustrated example.

As described above, the present invention is configured so that the rotary cutter 6 is rotated at high speed through the planetary gear 4 to cut the outer peripheral surface of the pipe A supported on the pipe support rod 2. Because of this, any pipe or round bar can be easily supported and fixed, and the rotating action of the rotary cutter 6 allows the outer peripheral curved surface to be polished very beautifully and approximately uniformly at high speed and in a short time. Furthermore, depending on the object to be cut, it goes without saying that desired polishing cutting can be easily obtained by changing the number of rotary cutters 6 to an arbitrary number.

[Brief explanation of drawings]

FIG. 1 is a partially cutaway side view of a round pipe chamfer polishing apparatus according to the present invention, and FIG. 2 is a front view. Explanation of symbols: 1...Inner wheel, 2...Pipe support rod, 3...Outer wheel, 4...Planetary gear, gear, 6 ...Rotary cutter, A...
pipe. 5...

Claims (1)

[Scope of utility model registration request] An outer ring body 3 is rotatably disposed on the outside of an inner ring body 1 having a pipe support rod 2 protruding from the center via a planetary gear 4, and the outer ring body 3 is rotatably disposed outside the inner ring body 1 having a pipe support rod 2 protruding from the center thereof. A chamfering and polishing device for a round pipe bar, characterized in that one or more rotary cutters 6 having a gear 5 that meshes with a planetary gear 4 and rotates are arranged in a protruding manner substantially parallel to a pipe support rod 2.