JPH0350083Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Field of Application] The present invention relates to a magazine holding device for mounting an IC magazine so as to directly face the IC shoot rail of an IC handler.

[Prior Art] In an IC handler, an IC 1 is transported by a shuttle rail 2, as shown in FIG.

Also, supply IC to IC handler,
When carrying out the IC from the IC handler, the IC 1 is stored in the IC magazine 3 as shown in FIG.

For this reason, in the supplying and unloading parts of the IC to the IC handler, it is necessary to hold the IC handler 3 concentrically and directly facing the IC shunt rail 2, as shown in FIG.
The holding of this IC magazine 3 must be easy to attach and detach.

As a basic structure for accurately positioning and holding the IC magazine 3 in a removable manner, a magazine holding stand having a groove 4a that fits into the bottom of the magazine 3 is installed as shown in FIG. 3 toward the bottom of the groove 4a described above in the direction of arrow P using a spring.

A conventional device embodying the basic configuration shown in FIG. 4 is shown in FIG.

In FIG. 5, 3 is a magazine, and 4 is a magazine holding stand provided with a groove 4a. A pusher 5 having a spherical surface 5a that slides on the top surface of the magazine 3 is urged downward by a spring 6.

In the conventional holding device configured as described above, since the pusher 5 can be slightly displaced up and down, the bottom of the magazine 3 is fitted into the groove 4a of the magazine holding stand 4, and the magazine 3 is moved to the holding stand 4. When the magazine 3 is inserted between the magazine 3 and the pusher 5 (in the longitudinal direction of the magazine 3, that is, perpendicularly to the plane of the paper in FIG. 5), the magazine 3 is clamped with an appropriate response. It is also easy to pull out in a direction perpendicular to the plane of the paper. This conventional device can hold the magazine in a detachable manner as described above, and thus has a suitable function as a magazine holding device for an IC handler.

[Problems to be Solved by the Invention] However, in this conventional device (FIG. 5), the spherical surface 5a of the pusher 5 and the magazine 3 make point contact at points A and A', and there is a large local area at these points. produces pressure. For this reason, there is a problem in that the upper edge of the magazine 3 is easily deformed as shown by the imaginary lines B and B', and it also tends to wear out quickly because sliding friction occurs when the magazine is inserted and removed. Furthermore, when inserting the magazine 3, the bottom of the magazine is formed into a groove 4a.
The insertion operation is difficult because it has to match the

The present invention has been made in view of the above circumstances, and aims to provide a magazine holding device in which an IC magazine can be freely inserted and removed, and there is no risk of damaging the IC magazine.

[Means for Solving the Problem] In order to achieve the above object, the holding device of the present invention includes a magazine holding stand provided with a groove that fits into the bottom of the magazine, and a magazine holding base that slides on the top surface of the magazine to hold the magazine. A tubular member is provided that presses the groove bottom against the groove bottom, and the outer periphery of the tubular member is formed into a conical surface with a large diameter at both ends and a small diameter near the center, and a shaft that is thinner than the inner diameter of the tubular member is attached to the tubular member. A spring means is provided for inserting therethrough, supporting the tubular member while allowing diametric play in the tubular member, and biasing the tubular member toward the magazine.

[Function] In the above structure, when the magazine is inserted between the holding base and the tubular member, it is held between the holding base and the tubular member, and the tubular member is supported by the thin shaft with play and is supported by the spring means. Since it is biased, it acts as a roller, preventing sliding friction and premature wear. Then, the conical surface of the member guides the magazine and automatically positions it. Therefore, the magazine can be inserted and removed freely, quickly and easily. Moreover, since the tubular member is in line contact with the magazine, large localized pressures are not generated.

[Embodiment] FIG. 1 is a sectional view showing one embodiment of the present invention. This embodiment is an improvement by applying the present invention to the conventional example shown in FIG. Each of the grooves 4a' is a component corresponding to the conventional example shown in FIG.

A tubular member 7 is supported by a horizontal shaft 8 which is thinner than its inner diameter, and is supported so as to be vertically movable with a play g in the diametrical direction.

9c is a coil spring that presses down the tubular member 7.

When carrying out the present invention, any structure can be applied to press the tubular member against the magazine by a spring means, but in this embodiment, a commonly available ball spring component 9 was used. This part has a structure in which a spring 9c is provided that acts in a direction to push out a ball 9b housed in a case 9a, and since it is mass-produced, a product of stable quality can be obtained at a low cost.

The tubular member 7 is constructed symmetrically in the left-right direction in the figure, and its outer peripheral surface is a conical surface having a small diameter near the center and widening toward both ends. The cone angle θ is set to twice the inclination angle φ of the upper side of the magazine 3.

The holding device of this embodiment configured as described above is
The tubular member 7 is biased by the spring 9c and presses the magazine 3 against the holding member 4. The magazine 3 is positioned by the groove 4a of the holding member 4, and is held between the holding member 4 and the tubular member 7.

Since there is a clearance c in the width direction between the magazine 3 and the groove 4a', the insertion operation of the magazine 3 is easy. The inserted magazine 3 has its upper surface guided by the conical surface of the tubular member 7, and is automatically positioned in the width direction (horizontal direction in the figure).

As is clear from FIG. 1, the magazine 3 and the tubular member 7 are in line contact and not in point contact as in the prior art (FIG. 5). Therefore, no large local pressure is generated and there is no risk of deforming the magazine 3.

Moreover, the tubular member 7 is connected to the horizontal shaft 8 through the play g.
Since it is supported by a spring 9c, it can be moved up and down while maintaining an almost horizontal position, and is urged downward by a spring 9c. Furthermore, since the tubular member 7 can rotate around the horizontal axis 8, it also functions as a roller. For this reason, inserting the magazine 3 in the longitudinal direction (that is, in the direction perpendicular to the page in FIG. 1),
It can be removed. In particular, the fact that the outer periphery of the tubular member 7 has a conical surface facilitates the operation of inserting one end of the magazine 3 between the holding member 4 and the tubular member 3, and prevents the magazine 3 from premature wear. Automatic positioning of the magazine 3 is made possible.

[Effects of the Invention] As described above, when the magazine holding device of the present invention is applied, the IC magazine can be inserted and removed freely, and there is no risk of damaging the IC magazine.

[Brief explanation of drawings]

FIG. 1 is a sectional view showing one embodiment of the magazine holding device of the present invention. FIG. 2 is a perspective view showing the IC and the shoot rail, and FIG. 3 is a perspective view showing the IC and the magazine. FIG. 4 is an explanatory diagram of a magazine holding method, and FIG. 5 is a sectional view of a conventional magazine holding device. 1...IC, 2...Shoot rail, 3...Magazine, 4...Magazine holding stand, 4a...Groove, 5
... Conventional pusher, 5a ... Spherical surface, 6 ... Spring, 7 ... Tubular member, 8 ... Small diameter horizontal shaft, 9 ... Ball spring part, 9a ... Case, 9b ... Ball, 9c ... …spring.

Claims (1)

[Scope of utility model registration request] A device for holding a magazine by fitting it right onto the IC transport chute rail of an IC handler, which includes a magazine holding stand provided with a groove that fits into the bottom of the magazine, and a magazine holding table that slides on the top surface of the magazine to hold the magazine at the groove bottom. A tubular member is provided to press the tubular member, and the outer periphery of the tubular member is formed into a conical surface with a large diameter at both ends and a small diameter near the center, and a shaft thinner than the inner diameter of the tubular member is inserted into the tubular member. 1. A magazine holding device for an IC handler, characterized in that a spring means is provided for supporting the tubular member while allowing play in a diametrical direction, and for biasing the tubular member toward the magazine.