JP2552189Y2 - Combination of change kit and base having change kit mounting positioning structure - Google Patents

Description

[Detailed description of the invention] "Industrial application field" This invention is used, for example, in an IC transport device of an IC test device, and replaces a transport rail according to the shape of an IC device to be tested or uses an IC device storage magazine. A change kit for attaching replacement parts to the device, such as replacing the magazine holding part of the magazine up / down mechanism or the magazine shift mechanism, depending on the shape of the change kit, especially when two change kits are used as a set The present invention relates to a combination of a change kit and a base having a mounting positioning structure.

[Prior Art] FIGS. 5 and 6 show a conventional change kit mounting and positioning structure. The two change kits 12 and 13 are arranged on the base 11 to which the change kit is to be attached, and the fixtures 16 and 17 provided on the respective mounting portions 14 and 15 are attached to the base 11
The change kits 12 and 13 are fixed to the base 11 by being pushed into the connecting portions 18 and 19 formed in
When the buttons 6 and 17 are pressed again, the connection with the connecting portions 18 and 19 is released, and the change kits 12 and 13 can be removed from the base 11. For example, receiving grooves 21 and 22 are formed in the change kits 12 and 13, respectively.
The IC transfer rail in the transfer device is attached. In this case, the receiving grooves 21 and 22 must be correctly aligned.

In order to attach the change kits 12 and 13 to the base 11 in the correct position and the correct direction, conventionally, the base
The center 23 between the positions where the 11 change kits 12, 13 should be installed, that is, the change kit 12,
The guide pins 24 and 25 are set at point-symmetric positions with respect to the point 23 on the base 11 which is the center in the arrangement direction of 13 and the center in the direction perpendicular to the direction Guide pins 26 and 27 are set up at symmetrical positions, and change kit 1
Guide holes 28 and 29 that fit into guide pins 24 and 26, respectively
Are formed in the change kit 13, guide holes 31 and 32 are formed to be fitted with the guide pins 25 and 27, respectively.These guide pins and the corresponding guide holes are fitted, and the change kits 12 and 13 are connected to the base 11. Positioned. Each distance between the center 23 and the guide pins 24 and 25 are both l _1, each distance between the center 23 and the guide pins 26 and 27 are both l _2.

"Problem to be solved by the present invention"
As shown in the figure, there is a possibility that the change kits 12 and 13 are replaced and attached to the base 11. If the distances l ₃ and l ₄ between the respective wall surfaces of the receiving grooves 21 and 22 of the change kits 12 and 13 and the center line 33 passing through the center 23 are not equal, as shown in FIG. , 13 are replaced and mounted, on the other hand, for example, when the transport rail is mounted, the mounted state is not changed. Therefore, conventionally, with respect to the center line 33 of the upper surface of the change kit 12, it had with a linear mark m _1, m ₂ on the same one side of the center line of the linear mark m _1, m ₂ If the operator makes a mistake on which side to take on 33, it will be installed in the wrong state.

Similarly, as shown in FIG. 8, the positions of the change kits 12 and 13 with respect to the base are correct, but there is a possibility that the change kits 12 and 13 may be mounted in the opposite direction. In this case, the mounted state is not correct.

[Means for Solving the Problems] In the combination of the change kit and the base having the change kit mounting and positioning structure according to the present invention, two change kits are mounted as a set on the base, and the mounting position and mounting of each change kit are provided. In order to limit the direction, a guide pin provided on one of the two change kits and the base, a guide hole formed on the other side, and into which the guide pin is inserted, and a change kit mounting using guide means comprising: In the combination of the change kit and the base having the positioning structure, one element of each of the three guide means is used for each of the change kits. Provided at a point symmetrical position with respect to the center between the kit mounting positions Is, the other one is provided in a position not point-symmetric.

"Embodiment" FIG. 1 shows an embodiment of the present invention, in which parts corresponding to those in FIG. 6 are denoted by the same reference numerals. In this example, as in the conventional case, each change kit 12
The guide pins 24 and 26, 25 and 27 are respectively erected on the base 11, and the guide pins 24, 25, 26 and 27 are respectively point-symmetric with respect to the center 23. Pins 34 and 35 are change kits 12, respectively.
The guide pins 34 and 35 are erected on the base 11 at the mounting position 13, and are shifted from a point-symmetric position with respect to the center 23. In this example, guide pins 24, 26 and 25, 2
Guide pins 34 and 35 are arranged on both outer sides of the arrangement of 7, and the guide pins 34 and 35 are both on the same side with respect to the center line 33. The distance along the center line 33 between the guide pins 24 and 34 and between the guide pins 25 and 35 is the distance l ₅ between the guide pin 26 and the end face on the center 23 side of the change kit 12, the guide pins 27 and Center 23 of Change Kit 13
They are respectively small than the distance l ₆ between the end faces of the side. In this example, l ₅ = l ₆ and the distances to the centers 23 of the guide pins 34 and 35 are equal to each other.

The change kit 12 has guide holes 28 and 29 for inserting guide pins 24 and 26, respectively, and also has a guide hole 36 for inserting the guide pins 34. Guide holes 31, 32 into which the pins 25, 27 are inserted are formed, and the guide pins 3
A guide hole 37 into which 5 is inserted is formed. That is,
The change kits 12 and 13 shown in FIG. 1 are longer than the change kits 12 and 13 shown in FIG. , 37 are formed respectively, and the conventional change kits 12, 13 shown in FIG. , 25 and 35 along the respective centerline 33.

With such a configuration, the change kit 12 is positioned by the guide pins 24, 26, and 34 and is mounted on the base 11, and the change kit 13 is positioned by the guide pins 25, 27 and 35 and is mounted on the base 11. . Change kit 12
To the position where the change kit 13 should be attached, the guide holes 28 and 29 are
27, but since the guide hole 36 does not match the guide pin 35, the change kit 12 cannot be mounted. Similarly, change kit 13 is originally changed kit 12
Even if an attempt is made to attach to a position where the guide hole should be attached, the guide hole 37 does not match the guide pin 34 and cannot be attached.

Also, in order to mount the change kit 12 on the base 11 in a direction opposite to the original mounting direction, the guide holes 28, 29
However, the guide holes 36 do not match the guide pins 34 even when the guide pins 26 and 24 match, so that they cannot be mounted. Similarly, even if the change kit 13 is mounted on the base 11 in a direction opposite to the original mounting direction, the guide hole 37 does not match the guide pin 35, and the change kit 13 cannot be mounted.

If the change kits to be attached to both sides of the base 11 have exactly the same structure, as shown in FIG. The guide pins 24, 26, 25, and 27 are formed to have guide holes into which the guide pins 24, 26, 25, and 27 are respectively inserted.
Not reach. In this case, change kit 38 and
Even if it is replaced with 39, it can be attached to the base 11.
However, if the directions of the change kits 38 and 39 are reversed, the change pins 38 and 39 cannot be attached because the guide pins 34 and 35 are in the way.

In the arrangement of the guide pins 24, 26, 34, 25, 27 and 35 shown in FIG. 1, the conventional change kits 12 and 1 shown in FIG.
3 can be attached. However, some conventional problems remain.

In the above description, the guide pins 34 and 3 are not point-symmetric with respect to the center 23.
5 was arranged outside the array of guide pins 24, 26, 25, 27,
The guide pins 24, 26 and 25, 27 may be arranged inside the guide pins 24, 25 farther from the center 23. In FIG. 3, parts corresponding to those in FIG. 1 are denoted by the same reference numerals, and redundant description is omitted. In this case, in order that both change kits have the same structure and can be used for both, as shown in FIG.
It is sufficient to form a hole 41 through which the holes 34 and 35 can escape. Further, in the above description, the guide pins 24 to 27, 34,
Guide holes are formed at each position of 35, and change kits 12, 13
Guide pins may be set up at the positions of the guide holes 28, 29, 31, 32, 36, and 37, respectively. The fixation of the change kit to the base 11 is not limited to the fixtures 16 and 17, but may be another.

"Effects of the invention" As described above, according to the invention, the mounting positions and mounting directions of the two change kits are limited by three guide pins, and two of the three guide pins are both mounted. It is point-symmetric with respect to the center between the mounting positions, but the other one is not point-symmetric, so it is not possible to replace a change kit whose mounting position cannot be changed and mount it on the base, and It cannot be installed even if the mounting direction is reversed, and it can always be installed only in the correct state. Moreover, when both change kits have the same structure, they can be mounted at any position.

[Brief description of the drawings]

FIG. 1 is a plan view showing an embodiment of the present invention, and FIG.
FIG. 3 is a plan view showing an example in which two change kits having the same structure are used for the base shown in FIG. 3, FIG. 3 is a plan view showing another embodiment of the present invention, and FIG. On the other hand, a plan view showing an example using two change kits having the same structure, FIG. 5 is an exploded perspective view showing a conventional change kit mounting and positioning structure, and FIG. 6 is a fixture 1 in the structure of FIG.
FIG. 7 is a plan view showing a state in which the left and right change kits are interchanged and mounted, and FIG.
The figure is a plan view showing a state where the direction of the change kit is reversed.

Claims (1)

(57) [Scope of request for utility model registration] A guide pin set on one of the two change kits and the base is provided to limit the mounting position and the mounting direction of each change kit. A guide hole formed in the other side and into which the guide pin is inserted;
In a combination of a change kit and a base having a change kit mounting and positioning structure using guide means, one element of each of the three guide means is used for each of the change kits, and one of each of the three guide means is used. Two of the elements are provided at point-symmetric positions with respect to the center between the mounting positions of the two change kits, and the other is provided at a position that is not point-symmetric. Combination of change kit and base with kit mounting positioning structure.