JP3165922U - Mounting jig for barrel leakage inspection machine and barrel leakage inspection apparatus using the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a mounting jig for a barrel leak inspection machine capable of improving barrel leak detection accuracy with a simple configuration. SOLUTION: This is a mounting jig 4 for a leak detector 3 provided on a side surface 100b of a barrel 100 along the circumferential direction to inspect for leakage from a welded portion 100a, and is mounted on an upper skirt 100c of the barrel 100. A jig body 5 that moves on the side surface 100b of the barrel 100 along the upper skirt 100c, and a holding member that is installed at a position facing the welded portion 100a of the jig body 5 and holds the detection portion 3a of the leak detector 3. And equipped. [Selection diagram] Fig. 1

Description

  The present invention relates to a barrel leakage inspection machine mounting jig for attaching an inspection machine for inspecting leakage of contents from a welded portion of a barrel to the barrel, and a barrel leakage inspection apparatus using the same.

  An apparatus for inspecting the leakage of the contents of a container holding a beverage or the like is well known, for example, an apparatus for rotating the beverage can around a central axis and detecting the contents that have flowed out due to the centrifugal force. It is known (see Patent Document 1). As a simple method for inspecting leakage, there is also known a method in which compressed air is put into a container and submerged, and bubbles are visually observed.

Japanese Patent Laying-Open No. 2005-017223

  Barrels used for transporting beer and the like are made of metal such as stainless steel, and some of them have welds provided at the time of manufacture along the circumferential direction of the barrel. Such barrels are used on the premise that they will be reused by reciprocating between the factory and the dealer many times, and there are also circumstances that are formed of thin plates from the viewpoint of weight reduction. Pinholes may occur in the weld due to impact or the like, and the contents may leak out. For this reason, it is necessary to inspect the welded part for leakage at the time of recovery at the factory. However, in the method of inspecting by submerging as described above, it is not possible to determine whether the bubble is attached to the outer peripheral surface of the barrel or the outflow from the welded portion, and there is a possibility of overlooking the leak. In addition, when a worker manually inspects leaks from a welded part using a leak tester, it takes time because the leak detector of the leak tester needs to be moved along the welded part. There is also a possibility that the inspection accuracy is lowered due to deviation from the welded portion.

  Accordingly, an object of the present invention is to provide a barrel leakage inspection machine mounting jig and a barrel leakage inspection apparatus using the same, which can improve the accuracy of barrel leakage detection with a simple configuration.

  The barrel leakage inspection machine mounting jig of the present invention is for a leakage inspection machine (3) for inspecting leakage from a welded portion (100a) provided along the circumferential direction on the side surface (100b) of the barrel (100). A jig body (5) that is attached to the upper skirt (100c) of the barrel and moves relatively on the side surface (100b) of the barrel along the upper skirt. The above-mentioned problem is solved by including a holding part (6) that is installed at a position facing the welded part of the jig body and holds the detection part (3a) of the leak inspection machine.

  According to the mounting jig for a barrel leak inspection machine of the present invention, the jig body is mounted on the upper skirt of the barrel to be inspected and moves on the side of the barrel. Since the detection part of the leak inspection machine is held in the jig body, the detection part can be moved along the welded part by moving the jig body. Therefore, the detection unit can move stably along the welded portion, and barrel leakage can be detected with high accuracy with a simple configuration.

  In one form of the mounting jig of the present invention, the jig body may be provided with a roller (7) guided along the curled portion (100d) of the upper skirt. According to this aspect, since the roller is guided along the curl portion of the barrel, the mounting jig can stably move on the side surface of the barrel.

  In one form of the mounting jig of the present invention, the holding portion may be provided with an insertion hole (6a) into which the detection portion can be inserted. According to this aspect, the detection unit is fixed and positioned only by inserting the detection unit into the insertion hole, so that the detection unit can be attached to the mounting jig without burden on the operator.

  The barrel leakage inspection apparatus of the present invention includes the above-described barrel (100) leakage inspection machine (3) mounting jig (4) and a welded portion (100b) provided on the side surface (100b) of the barrel along the circumferential direction. 100 a) a leak inspection machine provided with a detection unit (3a) for detecting a leak, and a rotating table (2) for rotating the barrel around the barrel axis (AX). To solve.

  According to the barrel leakage inspection apparatus of the present invention, the detection unit of the leakage inspection machine is attached to the barrel placed on the turntable via the mounting jig, and the detection unit becomes the welded portion by rotating the barrel. It can move along and can detect a stable leak. Therefore, it is possible to detect a barrel with high accuracy with a simple configuration.

  In the above description, in order to facilitate understanding of the present invention, reference numerals in the accompanying drawings are added in parentheses, but the present invention is not limited to the illustrated form.

  As described above, according to the barrel leakage inspection machine mounting jig of the present invention, the jig body is mounted on the upper skirt of the barrel to be inspected and moves on the side of the barrel. Since the detection part of the leak inspection machine is held in the jig body, the detection part can be moved along the welded part by moving the jig body. Moreover, in the barrel inspection apparatus using the mounting jig of the present invention, by attaching the detection unit of the leak inspection machine to the barrel placed on the turntable via the mounting jig and rotating the barrel. A detection part can move along a welding part, and can detect a stable leak. Therefore, the detection unit can move stably along the welded portion, and barrel leakage can be detected with high accuracy with a simple configuration.

The perspective view of the leak inspection apparatus of the barrel which concerns on one form of this invention. The front view of a mounting jig. The side view of a mounting jig. The bottom view of a mounting jig.

  FIG. 1 is a perspective view of a barrel leakage inspection apparatus according to an embodiment of the present invention. The leak inspection apparatus 1 is an apparatus for inspecting leak in advance in order to prevent leakage of contents such as beer from the welded portion 100a of the barrel 100. The barrel 100 is made of a metal such as stainless steel, and a welded portion 100a generated at the time of manufacture exists on the side surface 100b. If there is a pinhole in the welded portion 100a, the contents may leak, so the leakage inspection apparatus 1 inspects for the presence of leakage. In the inspection by the leak inspection apparatus 1, carbon dioxide is sealed in the barrel 100 and whether or not carbon dioxide leaks from the welded portion 100 a is confirmed. The leak inspection apparatus 1 includes a turntable 2 as a turntable for rotating the barrel 100 around the axis AX of the barrel 100, a leak detector 3 as a leak inspection machine for inspecting the presence or absence of leakage from the welded portion 100a, An attachment jig 4 for holding a sensor 3a as a detector of the detector 3 with respect to the welded portion 100a is provided. The turntable 2 rotates the barrel B placed on the placement surface 2a around its axis AX, and various known techniques may be applied. As the leak detector 3, a detector that detects carbon dioxide leaking from a pinhole is used. Various known techniques may be used as the leak detector 3.

  The attachment jig 4 is attached to the curled portion 100 d of the upper skirt 100 c of the barrel 100 on the turntable 2. 2 is a front view of the mounting jig 4, FIG. 3 is a side view thereof, and FIG. 4 is a bottom view thereof. The mounting jig 4 includes a jig body 5 and a holding member 6 as a holding portion that holds the sensor 3a. The jig body 5 is a plate-like member, a parallel surface 5a parallel to the axis AX direction, an inclined surface 5b extending from the upper end of the parallel surface 5a and inclined with respect to the parallel surface 5a, and a vertical direction from the lower end of the parallel surface 5a. And a bottom surface 5c. The parallel surface 5a is provided with a mounting hole 5d for allowing the sensor 3a to protrude and retract, and a holding member 6 for holding the sensor 3a inserted into the mounting hole 5d is provided on the side of the parallel surface 5a facing the side surface 100b of the barrel 100. Is provided. The holding member 6 is provided with an insertion hole 6a into which the sensor 3a is inserted, and when inserted, the tip of the sensor 3a is held and fixed so as to contact the welded portion 100a. MC nylon (registered trademark) or the like is used as a material of the holding member 6, and the sensor 3a is stably held during inspection. In the holding member 6 of this embodiment, as shown in FIG. 3, two members are installed in a state of being stacked with a nut interposed therebetween, but the present invention is not limited to this and may be installed in an appropriate shape. The mounting hole 5d has an elliptical shape that is long in the direction of the axis AX so that the position to be inspected by the sensor 3a can be adjusted, and the mounting hole 5e of the parallel surface 5a of the holding member 6 has the same shape. Thereby, the attachment position of the holding member 6 can be adjusted with the kind of barrel, and the presence or absence of the leak from the welding part 100a can be test | inspected reliably.

  An upper roller 7 as a roller for attaching the jig body 5 to the curled portion 100d is provided at the upper end of the inclined surface 5b. A roller having a concave contact surface 7a is employed so as to match the curved surface of the curled portion 100d. When the attachment jig 4 is attached to the side surface 100b of the barrel 100, the upper roller 7 is attached so as to rotate on the curled portion 100d. A lower roller 8 is provided on the bottom surface 5c. The lower roller 8 contacts the side surface 100b and holds the holding member 6 in an appropriate position while assisting the relative movement of the mounting jig 4 when the barrel 100 is rotated. The shape of the bottom surface 5 c has a curved surface 5 f so that members other than the lower roller 8 do not interfere with the curved surface of the side surface 100 b of the barrel 100. The shape of the jig body 5 may be changed as appropriate according to the shape of the barrel 100. As long as the position of the holding member 6 can be stably held with respect to the lower roller 8, the attachment position may be appropriately changed or may be omitted.

  Next, the operation of the leak inspection apparatus 1 will be described. The barrel 100 to be inspected is placed on the turntable 2, and the mounting jig 4 is attached to the side surface 100b so that the upper roller 7 is caught on the curled portion 100d. The barrel 100 is filled with a predetermined amount of carbon dioxide. The sensor 3 a inserted into the mounting hole 5 d is held and fixed by the holding member 6. When the turntable 2 is rotated, the barrel 100 rotates around the axis AX, while the mounting jig 4 rotates relatively around the barrel 100 without rotating as the barrel 100 rotates. The mounting jig 4 can be smoothly moved around the barrel 100 by the upper roller 7 and the lower roller 8. When there is a pinhole in the welded portion 100a, carbon dioxide has leaked from the pinhole. Therefore, by detecting this leak with the sensor 3a, the leak inspection apparatus 1 checks whether there is a leak. Can do. The mounting jig 4 can stably move the sensor 3a along the welded portion 100a, and can check the presence or absence of leakage with high accuracy.

  The present invention is not limited to the above-described form, and can be implemented in various forms. For example, in this embodiment, the barrel 100 is described as rotating, but the mounting jig 4 may be rotated. If the barrel 100 and the mounting jig 4 move relative to each other, inspection along the welded portion 100b can be performed. Although it demonstrated as what attached the upper roller 7 to the upper skirt 100c of the barrel 100 and moved the attachment jig 4 along the side surface 100b, it is not restricted to this. For example, you may provide guide members, such as sponge and resin, in the slope part 5b. What is necessary is just to comprise so that the curl part 100d can move smoothly, and an appropriate change is possible. In the present embodiment, the leak detector 3 has been described as detecting carbon dioxide, but is not limited thereto. For example, an apparatus using other gas such as helium or hydrogen, or an inspection machine using ultrasonic waves can be applied.

1 Leak inspection device 2 Turntable
3 Leak detector (leak inspection machine)
3a Sensor (detector)
4 Mounting jig 5 Jig body 6 Holding member (holding part)
7 Upper roller (roller)
8 Lower roller 100 Barrel 100a Welded portion 100b Side surface 100c Upper skirt 100d Curled portion

Claims (4)

A mounting jig for a leak inspection machine for inspecting leakage from a welded portion provided along the circumferential direction on the side of the barrel,
A jig body that is attached to the upper skirt of the barrel and relatively moves on the side of the barrel along the upper skirt;
A holding part that is installed at a position facing the welded part of the jig body, and holds the detection part of the leak tester;
Mounting jig for barrel leak inspection machine equipped with   The mounting jig according to claim 1, wherein the jig body is provided with a roller guided along a curled portion of the upper skirt.   The mounting jig according to claim 1, wherein the holding portion is provided with an insertion hole into which the detection portion can be inserted. The mounting jig according to any one of claims 1 to 3,
A leak inspection machine provided with a detection unit for detecting leakage from a welded portion provided along the circumferential direction on the side of the barrel;
A turntable for rotating the barrel about the axis of the barrel;
Barrel leak inspection device with

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