JP2019095209A - Mounting device for visual inspection of metal workpiece - Google Patents

Abstract

To reduce the physical burden of an operator for visual inspection of a metal workpiece (valve body of a hydraulic control device for automatic transmission).SOLUTION: A device includes a strut (base) 14, and a mounting table 18 of a workpiece mounted on the strut (base) 14 so that it can be moved around both axis of a first axis V in the vertical direction and a second axis H in the horizontal direction, and the mounting table 18 is equipped with a metal support plate 183 rotatably mounted on the strut (base) 14, a mounting device 10 for inspection having an upper plate 184 made of a colorless transparent urethane resin having substantially the same shape as the support plate 183 laminated on the support plate 183.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a work placement device used when visually inspecting whether or not foreign matter such as a burrow, burr, or chip exists in a metal work, and in particular, an automatic transmission mounted on a vehicle The present invention relates to a mounting device for visual inspection of a metal work suitable for use in visual inspection of a valve body that constitutes a hydraulic control device of a machine.

The valve body constituting the hydraulic control device for an automatic transmission is completed through steps of cast, cast, cut, and polish aluminum, but in the production process, foreign substances such as hollow holes, burrs, and chips remain. There is a possibility of
Remains of burrows, burrs, chips, etc. will significantly impair the performance of the hydraulic control device for automatic transmissions, which is a precision instrument. It is necessary to inspect and confirm the presence or absence of
Heretofore, this visual inspection has been carried out by the operator lifting the valve body to the eye level.

  However, the valve body is usually a rectangular solid having a width and depth of 300 mm or more and a height of 30 mm or more, and a valve bore (spool valve insertion hole) and a hole for an oil passage are formed in various places. On the other hand, it is necessary to carry over many times in order to visually inspect, and since the weight is quite heavy (usually about 2 kg), it imposes a large physical burden on the workers.

  The present invention has been made in view of the above problems, and an object of the present invention is to provide a placement apparatus for visual inspection which can greatly reduce the physical burden on the operator in visual inspection.

  (1) In order to achieve the above object, the mounting apparatus for visual inspection of a metal work according to the present invention comprises a base and a first axis along the vertical direction and a second axis along the horizontal direction. A support base for the work mounted on the base so as to be rotatable, and the support base is a metal support plate rotatably mounted on the base, and the metal support board And an upper layer plate made of a colorless and transparent urethane resin having substantially the same shape as that of the metal support plate.

(2) The base includes a support erected along the first axis, and the upper end of the support is rotatably supported about the first axis and the mounting base is the second axis It is preferable to provide a holder member in which a bearing portion rotatably supported is formed.
(3) A cylindrical outer support fixed at the lower end to the base at the lower end, an inner support slidably inserted in the outer support and rotatably supporting the holder member at the upper end, Preferably, a fixing mechanism is provided for fixing the inner support to the outer support.

(4) Further, the holder member may rotate the mounting table at a horizontal position where the upper surface of the mounting table is substantially horizontal, and a predetermined angle at which the upper surface of the mounting table is at right angles to the vertical direction. It is preferable to provide two stoppers that are respectively stopped at opposing positions facing the operator.
(5) It is preferable that the stopper for stopping the rotation of the mounting table at the horizontal position has a temporary fixing function of holding the mounting table fixedly.

(6) Furthermore, it is preferable to interpose a bright color layer different from the color of the work between the metal support plate and the upper layer plate.
(7) It is preferable that the color of the said color layer is yellow, and it is also preferable that it is green.

  According to the present invention, since the workpiece can be placed on the mounting table rotatable in the vertical direction and the horizontal direction for visual inspection, the workpiece can be viewed from various angles by rotating the mounting table. The number of times the work is changed is reduced, heavy work is not held by hand, and the physical burden on the worker can be greatly reduced.

  In addition, since the upper layer plate made of colorless and transparent urethane resin is laminated on the metal support plate, when visual inspection of the hole which penetrates the work in the vertical direction, the illumination of the side of the upper layer plate Due to the characteristics, light is diffused and the entire back side of the work becomes bright, and many through holes can be visually inspected without changing the work and without the need to move the position relative to the mounting table.

  Further, according to the present invention, since the supporting column for supporting the mounting table has a double structure of the outer supporting column and the inner supporting column and the fixing mechanism for fixing the both is provided, the height of the mounting table corresponds to the worker's height Adjustment can be performed, and the operator can not perform the inspection in an unreasonable posture.

Furthermore, according to the present invention, since the stopper for stopping the rotation of the mounting table at the horizontal position and the opposite position is provided, the rotation of the mounting table to the useless range is prevented, and the workability is improved.
In particular, since the temporary fixing function for holding the mounting table fixedly is provided on the stopper for stopping the rotation of the mounting table at the horizontal position, the operator manually mounts the mounting table when visually inspecting the side of the work. There is no need to support and the burden is reduced.

  Furthermore, according to the present invention, since the light color type color layer different from the color of the work is interposed between the metal support plate and the upper layer plate, the form of the through hole in synergy with the effect of the illumination Can be visually checked more clearly and accurately.

It is a front view which shows the structure of the mounting apparatus for visual inspection which concerns on one Embodiment of this invention. It is a side view which shows the structure of the mounting apparatus for visual inspection which concerns on one Embodiment of this invention. It is a front view which shows the structure of the holder of the said mounting apparatus for visual inspection. It is a fragmentary sectional view which shows the lamination structure of the mounting base of the said mounting apparatus for visual inspection.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
Note that the embodiments described below are merely illustrative, and there is no intention to exclude the application of various modifications and techniques that are not specified in the following embodiments.

As shown in FIG. 1 to FIG. 3, the visual inspection placing device 10 according to the embodiment of the present invention is a column erected along the first axis V along the vertical direction on the base 12 (base And the holder (holder member) 16 rotatably supported about the first axis V at the upper end of the column 14 and the same axis as the second axis H formed on the holder 16 along the horizontal direction The mounting base 18 is supported rotatably around the second axis H by two bearings 161 having an axial center 160, and a mounting base 18 on which a work (a valve body) (not shown) is mounted.
With the above configuration, the mounting table 18 is mounted on the support (base) 14 so as to be rotatable around both axes V and H of the first axis V along the vertical direction and the second axis H along the horizontal direction. Configuration.

  The support 14 is slidably inserted into the cylindrical outer support 142 whose lower end is fixed to the base 12 and the outer support support 142, and the holder (holder member) 16 is pivoted through the bearing mechanism 20 at the upper end. It comprises an inner support 144 which supports it and a locking mechanism 146 which fixes the inner support 144 relative to the outer support 142.

The fixing mechanism 146 has a known structure including a ring member 148 whose inner diameter is reduced by rotating the lever 147 to clamp and fix the inner column 144.
The bearing mechanism 20 may have any structure as long as it has a capacity to support the weight of the holder 16, the mounting table 18, and the work mounted on the mounting table 18.

  The holder 16 includes an L-shaped main body portion 164 in a side view in which the bottom side portion 162 is supported by the bearing mechanism 20 and the bearing portion 161 is mounted on the upper portion of the upright side portion 163. The bearing portion 161 is fixedly attached to the main body portion 164 via the support base 165.

  At the open end (the front end, the left end in FIG. 2) of the bottom side portion 162, two first stoppers 167 having a rubber contact portion 166 are attached to the left and right in a front view (FIG. 3). The stopper 167 stops the rotation (counterclockwise rotation in FIG. 2) of the mounting table 18 at the facing position (the position where the upper surface of the mounting table 18 faces the worker) shown by the solid line in FIG. It is.

  Further, the upper end of the upright side portion 163 abuts on the back surface of the mounting table 18 at a horizontal position shown by a two-dot chain line in FIG. 2 to stop the rotation of the mounting table 18 (clockwise rotation in FIG. 2) A second stopper 168 is provided.

The second stopper 168 includes a protrusion 168 a fixed to the upper end of the upright side portion 163 and a recess 168 b fixed to a position corresponding to the protrusion 168 a on the back side of the mounting table 18.
The protrusion 168a and the recess 168b abut each other immediately before the mounting table 18 reaches the horizontal position shown by a two-dot chain line in FIG. 2, and the operator applies a slight force from there to elastically deform the recess 168b. Since the so-called snapping mechanism fitted to the projection 168a is provided, the horizontal position of the mounting table 18 can be maintained without the operator supporting the mounting table 18 at the horizontal position.

The mounting table 18 supported rotatably around the second axis H by the bearing portion 161 of the holder 16 is a substantially rectangular plate-like member having notches 181 formed on both sides as shown in FIG. .
The notch 181 is formed to allow an operator to load and unload the valve body on the mounting table 18 safely and efficiently.
Further, a stopper plate 182 for preventing the valve body from falling is attached to the lower side of the mounting table 18.

Furthermore, as shown in the partial cross-sectional view of FIG. 4, the mounting table 18 has a metal support plate 183 (hereinafter, simply referred to as the support plate 183) whose back surface is supported by the bearing portion 161. Upper layer plate 184 made of a colorless and transparent urethane resin having a thickness of, for example, 10 mm or more, and a yellow synthetic resin (for example, polyurethane, acrylic, etc.) interposed between the support plate 183 and the upper layer plate 184 The color plate 185 is laminated.
The support plate 183 is supported by the bearing portion 161 via the auxiliary plate 186, as shown in FIG.

  With the above configuration, the operator places the valve body (work) on the mounting table 18 at the opposing position shown by the solid line in FIG. 2 and holds it by hand by applying illumination from the side or upper side of the mounting table 18 The surface of the valve body, the through hole, and the like can be inspected accurately and accurately.

  Further, the mounting table 18 is rotated to a horizontal position, fixed by the second stopper 168, and rotated about the first axis V, thereby forming the side surface of the valve body and a valve bore or the like bored in the side surface, This can also be visually inspected without holding by hand.

  Furthermore, when inspecting the back surface of the valve body, the mounting table 18 is once returned to the opposite position, and visual inspection can be performed without manually holding the valve body by manually replacing the valve body.

  As described above, according to the visual inspection placing device 10 according to the embodiment of the present invention, the operator does not have to always hold the valve body by hand, and also visually inspects the valve body from various angles. Since the number of hands-on changes can be significantly reduced, the physical burden on the operator can be greatly reduced.

Further, by illuminating from the side surface of the upper layer plate 184, the entire back surface side of the bulb body can be brightened by the light diffusion action of the colorless and transparent urethane resin, and visual inspection of the holes penetrating the bulb body vertically Becomes easy.
Furthermore, by the action of the yellow color plate (color layer) 185, the contours of the mounting table 18 and the valve body become clear and visual inspection can be performed more accurately.

As mentioned above, although embodiment of this invention was described, this invention can deform | transform this embodiment suitably and can implement.
For example, the color of the color plate 185 is not limited to yellow, and green is also suitable. Furthermore, any color of bright color different from the work (usually, silver) may be used, such as beige or pale orange May be used.

10 Mounting device for visual inspection 14 Support (base)
16 Holder (holder member)
18 Mounting Table 20 Bearing Mechanism 142 Outer Strut 144 Inner Strut 146 Fixing Mechanism 161 Bearing Part 167, 168 Stopper 183 Metal Support Plate 184 Upper Layer Plate 185 Color Plate (Color Layer)
V 1st axis H 2nd axis

Claims (7)

With the base,
A work placement table mounted on the base so as to be rotatable about both a first axis along the vertical direction and a second axis along the horizontal direction;
As mentioned before,
A metal support plate rotatably mounted on the base;
A mounting apparatus for visual inspection of a metal work, comprising: an upper layer plate laminated on the metal support plate and made of a colorless and transparent urethane resin having substantially the same shape as the metal support plate. The base includes a support erected along the first axis;
The holder member is provided with a bearing portion which is rotatably supported at the upper end portion of the support column about the first axis and rotatably supports the mounting table around the second axis. The mounting apparatus for visual inspection of the metal workpiece according to claim 1. The post is
A cylindrical outer support fixed to the base at the lower end,
An inner support slidably inserted into the outer support column and rotatably supporting the holder member at an upper end portion;
3. The mounting apparatus for visual inspection of a metal work according to claim 2, further comprising: a fixing mechanism for fixing the inner support to the outer support. The holder member is
The horizontal position at which the upper surface of the mounting table is substantially horizontal, and the opposing position at which the upper surface of the mounting table faces the worker at a predetermined angle less than or equal to a right angle with the vertical direction. The mounting apparatus for visual inspection of the metal workpiece according to any one of claims 2 to 3, further comprising two stoppers for stopping each of the two. 5. The visual inspection for metal work according to claim 4, wherein the stopper for stopping the rotation of the mounting table at the horizontal position has a temporary fixing function for holding the mounting table in a fixed manner. Mounting device. The metallic work according to any one of claims 1 to 5, wherein a color system of a bright color different from the color of the work is interposed between the metallic support plate and the upper layer plate. Mounting device for visual inspection. The mounting apparatus for visual inspection of a metal work according to claim 6, wherein the color of the color layer is yellow.

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