JPH0545970Y2 - - Google Patents

Description

[Detailed description of the invention] <Industrial application field> The present invention relates to the improvement of an ultrasonic flaw detector, and more specifically, the improvement of a rotating ultrasonic flaw detector that transfers a test material and detects flaws around it in a spiral manner. Regarding.

<Prior art> A conventional rotary ultrasonic flaw detection device is disclosed in, for example, Japanese Utility Model Application Publication No. 118064/1983 (by the same applicant as the present application).
There was something similar to what was proposed. Although not disclosed in this publication, the approximately cylindrical or substantially cylindrical specimen is provided with a guide sleeve for adapting the specimen to the feeding means for moving the specimen in the thrust direction. It is being This is fitted into the open end of the material to be tested, and when moving the material to be tested in the thrust direction, the end is checked to guide the feeding means for the material to be tested. .

<Problems to be solved by the invention> However, the process of transferring the test material to the flaw detector up to the installation of the guide sleeve requires several operators and takes up to an hour of process time. did. This is a long time compared to the flaw detection time, which takes several tens of minutes. Furthermore, the time required for the entire process of flaw detection becomes enormous due to the addition of the time required to fit the guide sleeve.

As mentioned above, the reason why it took so long to supply the test material was that automation of the means for supplying the test material for flaw detection was delayed.

The present invention aims to solve these conventional problems.

<Means for Solving the Problems> Therefore, the ultrasonic flaw detector equipped with an automatic line according to the present invention has an ultrasonic flaw detector x, a test material introducing section 100, and a test material introduced separately. It includes an automatic sample supply section 110, a guide sleeve fitting section 200, and a guide sleeve exchange section 210, and has the following configuration.

That is, the ultrasonic flaw detector x has a hollow part 1, and this hollow part 1 has a substantially cylindrical or substantially cylindrical specimen material 2.
It is possible to carry out ultrasonic flaw detection by accommodating the same, and has openings v and w at the front and rear. The test material introducing section 100 is located outside on the rear opening w side of the ultrasonic flaw detector
A feeder s that can introduce the test material 2 into the ultrasonic flaw detector x, and a feeder 101 that supports the feeder s.
Equipped with. The automatic test material supply section 110 is located behind the test material introducing section 100, and includes a plurality of cylindrical receiving sections n...n that store test materials 2...2 almost horizontally, and a desired test material 2. a circulation transfer device m capable of moving a receiving portion n that stores therein to a position where the feeding device s is located;
It is equipped with an inlet/output machine p capable of pushing out the material toward the forward feeding device s side. Guide sleeve fitting part 200
is located outside the front opening v side of the ultrasonic flaw detector x, and a guide sleeve a is fitted to the tip of the test material 2 located on the front opening v side. The guide sleeve exchange section 210 includes a plurality of storage sections b that separately store a plurality of types of guide sleeves a...a.
...b, a circulation transfer device d that transfers the desired guide sleeve a to a storage portion b and a fixed position, and it is possible to take out the desired guide sleeve a that fits the specimen 2 from the circulation transfer device d. In addition, insert the removed guide sleeve a into the guide sleeve fitting part 2.
00 and a take-out device 211 that can be transported and attached to the device.

<Function> In the ultrasonic flaw detection apparatus of the present invention that employs the above means, the feeding device s of the test material introducing section 100 is
The test material 2 sent by the test material supply section 110 is introduced into the ultrasonic flaw detector x from the rear opening w side of the ultrasonic flaw detector x.

The test material automatic supply section 110 located behind the test material introducing section 100 supplies the test material 2 to the feeding device s without any manual effort.
A test material 2 to be subjected to ultrasonic flaw detection is supplied.
That is, a plurality of cylindrical receiving parts n...n that store the test materials 2...2 almost horizontally by the circulation transfer device m;
The receiving part n that stores the desired specimen 2 is moved to the position where the above-mentioned feeding device s is located, and the loading/unloading machine p pushes the specimen material 2 inside from the rear of the receiving part n, and moves the specimen 2 forward. It is pushed out toward the feeder s side.

<Examples> Examples of the present invention will be described below with reference to the drawings. As shown in Figures 1 and 2 and Figure 7 showing the overall configuration, the device according to the present invention is
An ultrasonic flaw detector x, a test material introducing section 100, and a test material automatic supply section 110, each formed separately,
It is composed of a guide sleeve fitting part 200 and a guide sleeve replacement part 210.

The ultrasonic flaw detector x includes a hollow portion 1 inside (see FIGS. 4 and 6).

This hollow part 1 is capable of accommodating a substantially cylindrical or substantially cylindrical test material 2 for ultrasonic flaw detection, and has openings v and w at the front and rear.

The structure of this ultrasonic flaw detector x will be described later.

FIG. 1 shows the configuration of the ultrasonic flaw detector x on the side of the front opening v, and FIG. 2 shows the configuration of the ultrasonic flaw detector x on the side of the rear opening w.

As shown in Figures 1 and 7, ultrasonic flaw detector x
The guide sleeve fitting part 2 is located on the front opening v side of the
00 and a guide sleeve replacement section 210 are provided. The guide sleeve a itself is adapted to the open end of the cylindrical test material 2, and is fitted into the end of the test material 2. As is well known, the guide sleeve a serves as a guide through which a feeder s, which will be described later, introduces the test material 2 during flaw detection. The guide sleeve exchange section 210 is provided with a storage section b that holds a plurality of guide sleeves a corresponding to the types of specimens 2 having different diameters. Each storage part b
is fixed to a caterpillar-shaped circulating movement device d. This circulation transfer device d is placed near the ultrasonic flaw detector x. In the vicinity of this circulation transfer device d, it is possible to take out the desired guide sleeve a that fits the specimen 2 from the circulation transfer device d, and to insert the taken out guide sleeve a into a guide sleeve fitting portion. A take-out device 211 that can be transported to and attached to 200 is arranged. This take-out device 211 has a swing arm g having a chuck portion f at its tip. As shown in FIG. 2 (plan view), the take-out device 211 is provided with guide rails h, h on its upper outer periphery. The take-out device 211 is provided with a swing arm g at its upper portion. This swing arm g has a rear end g' that is connected to the take-out device 211.
It is pivoted on the upper surface of the holder, and can be rotated along the guide rails h, h. The guide sleeve a picked up from the circulation transfer device d by the chuck f is fitted into the guide sleeve located near the opening v of the ultrasonic flaw detector x by horizontal rotation of the swing arm g. Part 2
Transported to 00. The guide sleeve fitting portion 200 is located between the ultrasonic flaw detector x and the swing arm g.
is located there. As shown in FIG. 1, this guide sleeve fitting part 200 is provided with a chucking arm i that can be raised and lowered. This is a device that rotates in the vertical direction according to the difference in height between the ultrasonic flaw detector x and the swing arm g, and the guide sleeve a is held by a chuck portion j at the tip.
As the tracking arm i rotates, the guide sleeve a is carried from the swing arm g to the ultrasonic flaw detector x. To explain in detail, the guide sleeve fitting part 2
The guide sleeve a held at 00 is fitted with the tip of the specimen 2 at the front opening v of the ultrasonic flaw detector x. The ultrasonic flaw detector x itself is placed on a movable table e guided by a rail e' for easy movement. table e
If the movement of is linked to the operation of the tracking arm i by microcomputer control or the like, further effects can be obtained in terms of automation.

As shown in Figures 3 and 7, ultrasonic flaw detector x
At an appropriate position on the rear opening w side, that is, on the opposite side of the guide slube fitting part 200 across the rail e', there is a test material introducing section 10 for transporting the test material 2 to the ultrasonic flaw detector x.
0, and a test material supply section 11 that stores the test material 2.
0 is arranged. The test material introducing section 100 is
By means of a caterpillar-shaped circulation transfer device m and a test material 2 loading/unloading machine p for loading and unloading test materials 2 received in a plurality of test material 2 receiving portions n provided in the circulation transfer device m. configured. In addition, the test material introduction part 10
0 is a feeding device s that holds the test material 2 sent by the test material supply section 110 and can introduce the test material 2 into the ultrasonic flaw detector x from the rear opening w; and a feed stand 101 that supports the. To be more specific, the circulation transfer device m has a cylindrical receiving portion n.
A plurality of test materials are arranged parallel to each other at appropriate intervals, and horizontally as shown in Fig. 3.
is stored. Further, the circulation transfer device m is arranged near the rail e', and the above-mentioned loading/unloading machine p is arranged on the opposite side from the rail e'. The loading/unloading machine p pushes out the test material 2 in the receiving part n (it may be configured to operate in the reverse direction and squeeze the test material 2 into the receiving part n when storing). To be more specific, as shown in FIG.
is moved to a position where the feeding device s is located, and the loading/unloading device p pushes the specimen 2 inside from the rear of the receiving portion n and pushes the specimen 2 forward toward the feeding device s. The test material 2 pushed out by the loading/unloading machine p is inserted into the ultrasonic flaw detector x by the testing material 2 feeding device s arranged between the loading/unloading machine p and the table e. It is then sent in the thrust direction for flaw detection.

With the above structure, the test material 2 is inserted into the ultrasonic flaw detector x placed on the table e, and a guide sleeve a suitable for the test material 2 is attached by the guide sleeve a replacement section having the above structure.

As shown in FIG. 2, a line t for moving the table e is arranged almost perpendicularly to the rail e', and serves as one end for moving the ultrasonic flaw detector x.

Next, an embodiment of the ultrasonic flaw detector x will be described.

FIG. 4 shows an embodiment of the ultrasonic flaw detector x. This is a rotating body 3 that accommodates a test material 2 in a hollow part 1 (near the axis) and rotates around the test material 2. A penetrating portion 4 is provided from the surface of the rotating body 3 to the inside of the hollow portion 1. The inside of this penetration part 4 is tubular, and the cylindrical body 5 is rotatably inserted into this inside. A portion of the rear outer circumference of the cylindrical body 5 is exposed on the surface of the rotary body 3, and a flange-shaped portion 11 having a gear carved therein is provided on the circumferential surface. Cylindrical body 5
A threaded groove 7 is threaded on the outer periphery of the front part. An annular member 8 is screwed into the screw groove 7. A probe receptor 9 is inserted into the cylindrical body 5 and is rotatable relative to the inner periphery of the cylindrical body 5 . A probe 10 is provided in a portion of the probe receiver 9 that faces the inside of the rotating body 3 from inside the cylindrical body 5 . Further, a flange-like portion 6 having a larger outer diameter than the opening of the cylindrical body 5 is provided at the peripheral edge of this surface, and protrudes to the outside of the cylindrical body 5 . Furthermore, the brim-like part 6
is fixed to one peripheral end surface of the annular member 8 and is integrated therewith.

A gear 12 that interlocks with the gear portion of the flange 11 is pivotally fixed near the flange 11 on the surface of the rotating body 3 .

The position of the probe 10 is set at or near the center of the surface of the probe receiver 9 that faces the inside of the rotating body 3 from inside the cylindrical body 5, but this position is set at the center of the hollow part 1, that is, It is located on or near the extension of a perpendicular line drawn from the axis of a substantially cylindrical or substantially cylindrical specimen.

A cover 13 is provided at the opening of the penetrating portion 4 on the surface of the rotating body 3 to cover the vicinity of the rear exposed portion of the cylindrical body 5. A guide shaft 14 that extends inside the cover 13 and is received at an appropriate position within the probe receiver 9 is fixed to the cover 13, and serves to prevent the probe receiver 9 from rotating. Inside the receiving part 15,
The guide shaft 14 is not fixed.

The rotation shaft 16 of the gear 12 described above is connected to the cover 1.
3 is exposed to the outside of the rotating body 3.

With the above configuration, the probe 10 can be slid and positioned in accordance with the diameter of the specimen. Specifically, by rotating the rotation shaft 16, the cylindrical body 5 is rotated together with the gear 12, and the cylindrical body 5 is screwed within the annular member 8, and the probe fixed to the annular member 8 is rotated. Slide the child receptor 9.

FIG. 5 shows an end view showing the configuration of the rotating part of the device. This shows a state in which the above-mentioned rotating body 3 is vertically divided along the longitudinal direction. A belt is placed over the power transmission section A to transmit rotational power from other parts. A transmitting electrode section C is arranged on the opposite side of the rotating body 3 with the probe receptor 9 mounting section B interposed therebetween. (Hatching in the figure has been omitted for clarity).
The transmitting electrode section C is connected to the probe receptor 9 via the power transmission line C'.
is tied to

Figure 6 shows a cross section of the entire flaw detection section of the device. D is a rotational power supply section, and the probe receptor 9 mounting section B is synchronized to this position by a computer or the like, and the rotation axis of the rotational power supply section D (not limited to rotation in one direction) is set. The portion E is engaged with the rotating shaft 16 of the gear 12 described above to automate the sliding movement of the probe receptor 9. To explain in detail, the rotational power supply section D is as follows:
It has a drive section D' such as a DC servo motor at the rear, and a rotating shaft section E that receives rotational force from the drive section E at the front. In the vicinity of the rotational power supply section D, a lifting device F for raising and lowering the rotational power supply section D is provided. This is constructed by fixing an air or hydraulic cylinder or the like to the main body of the flaw detector, and connecting the rotary power supply section D, which is slidable relative to the main body of the flaw detector, to its actuator.

If each rotary power supply section D is interlocked and the sliding movement of each probe receptor 9 is synchronized, a further effect can be obtained in automation, and it is also effective in terms of shortening process time.

The main body of the flaw detection device includes a transmitting electrode portion C of the rotating body 3.
A receiving electrode portion G is provided at a position corresponding to .

In the vicinity of the receiving electrode section G and the power transmission section A, supply holes H, H for an ultrasonic medium such as water to be supplied to the hollow section 1 are provided. This does not mean that it is limited to this position.

A' is a belt that transmits power to the power transmission section A.

Holding parts J, J for the test material 2 are attached from both open ends of the hollow part 1 to the inside thereof. This is a cylindrical member that receives the test material 2 inside and maintains its position. Packing K for water retention is attached to an appropriate position inside the container.

<Effects of the Invention> By implementing the present invention, it was possible to provide an apparatus that can automatically control the supply of a test material and easily shorten the time of the supply process.

In particular, it is possible to easily link and control the supply of the well-known guide sleeve necessary for flaw detection and the supply of the test material.

[Brief explanation of the drawing]

FIG. 1 is a front view of essential parts showing an embodiment of the present invention, and FIG. 2 is a plan view thereof. Figure 3 shows
FIG. 3 is a front view of main parts of the test material supply means. FIG. 4 is a horizontal end view of essential parts of the ultrasonic flaw detector x, and FIG. 5 is a vertical end view thereof. Figure 6 shows ultrasonic flaw detector x
FIG. FIG. 7 is a substantially entire front view showing one embodiment of the device of the present invention. a... Guide sleeve, d, m... Circulation transfer device, e... Table, g... Swing arm, i
...Chatting arm, p...Enter/exit machine, s...
Feeding device.

Claims (1)

[Claims for Utility Model Registration] An ultrasonic flaw detector x, a test material introducing section 100, and a test material automatic supply section 110, each formed separately.
, a guide sleeve fitting part 200, and a guide sleeve replacement part 210, the ultrasonic flaw detector x has a hollow part 1, and this hollow part 1 accommodates a substantially cylindrical or substantially cylindrical test material 2. It is possible to perform ultrasonic flaw detection using the ultrasonic flaw detector x, and has openings v and w at the front and rear. , test material supply section 110
It is equipped with a feeding device s that holds the specimen 2 sent by and can introduce the specimen 2 into the ultrasonic flaw detector x from the rear opening w, and a feed stand 101 that supports the feeding device s. , The test material automatic supply section 110 includes the test material introduction section 10.
A plurality of cylindrical receiving parts n...n which are located behind the test material 2 and which store the test materials 2...2 almost horizontally, and a receiving part n which accommodates the desired test material 2 are located at the position where the above-mentioned feeding device s is located. It is equipped with a circulation transfer device m that can be moved to the receiving part n, and an inlet/output machine p that can push the specimen material 2 inside from the rear of the receiving part n and push the specimen material 2 forward toward the feeding device s side. The guide sleeve fitting part 200 is located outside the front opening v side of the ultrasonic flaw detector x, and fits the guide sleeve a to the tip of the test material 2 located on the front opening v side. The guide sleeve exchange section 210 includes a plurality of storage sections b...b for separately storing a plurality of types of guide sleeves a...a, and a storage section b for a desired guide sleeve a.
It is possible to take out the desired guide sleeve a that fits the specimen 2 from the circulation transport device d, and to transfer the taken out guide sleeve a to a guide sleeve fitting part. 1. An ultrasonic flaw detection device equipped with an automatic line, characterized in that it has a take-out device 211 that can be transported to and attached to a device 200.