JPS638145A - handler - Google Patents

Abstract

PURPOSE:To make a work changeable in the horizontal direction with a simple structure, by installing a stop lever, opening or closing a groove capable of receiving the work, in a rotary chute. CONSTITUTION:A semiconductor device D having so far dropped out of a conveyor chute 8 enters the inside of a groove 11a and transferred onto a rotary chute 10. Afterward, a plunger 25 operates a rod 25a, rotating a driving gear 24, thereby rotating a turning shaft 21 via a gear 22. With this rotation, the rotary chute 10 comes into a state of being rotated as far as 180 deg.. On the other hand, a plunger 19 is operated to the stop lever 12 moved to the side of a conveyor chute 9, making an open lever 18 operate its tip 18b downward against force of a spring 20, whereby a base end 12c of the stop lever 12 is pressed down. With this constitution, a tip 12b of the stop lever 12 opens the groove 11a, so that the semiconductor device D inside the groove comes to be transferred onto the conveyor chute 9 in a state of being rotated as far as 180 deg..

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a handler having a function of changing the direction of a workpiece.

[Conventional technology]

The handler for semiconductor devices is configured to transport a semiconductor device, which is a workpiece, set on a loader, pass through a heating section, a measurement section, and a classification section, and then store it in an unloader. When a workpiece is transported in this handler, a method is usually adopted in which the workpiece is moved along a rail or the like, so that the workpiece is always transported in a fixed direction.

[Problem that the invention seeks to solve]

In this type of handler, particularly when the workpieces classified by the sorting section are stored by type in the unloader, there are cases where it is preferable to store the workpieces in a direction perpendicular to the transport direction of the workpieces. In such cases, it is necessary to change the horizontal direction of the workpiece by 90 degrees, but conventional handlers are not equipped with such a direction change mechanism, so it is difficult to achieve this. be.

In addition, such workpiece direction change is not limited to the 90 degree angle in the unloader mentioned above, but may be required at various locations and at various angles, which is difficult to satisfy with conventional handlers. It is.

Although the conventional drop-type handler has a mechanism for vertically inverting the work, it is impossible to change the direction of the work in the horizontal direction.

An object of the present invention is to provide a handler with a mechanism capable of horizontally changing the direction of a workpiece with a simple configuration.

The above and other objects and novel features of the present invention include:
It will become clear from the description of this specification and the accompanying drawings.

[Means for solving problems]

A brief overview of typical inventions disclosed in this application is as follows.

In other words, a rotary chute that forms part of the transport chute that transports the workpiece and is rotatable in the horizontal direction, a stop lever provided on the rotary chute that opens and closes a groove that can receive the workpiece, and a stop lever that controls the opening and closing of the chute. It is equipped with an opening arm and an opening lever.

[Effect]

According to the above means, the workpiece being conveyed through the conveyance chute can be transferred to the rotating chute by the action of the transfer mechanism,
The horizontal direction can be changed by rotation of this rotary chute, and then the material can be transferred from the rotary chute to the conveyance chute to realize conveyance and storage in a predetermined horizontal direction.

〔Example〕

FIG. 1 is a schematic perspective view showing the overall configuration of a handler according to an embodiment of the present invention. As shown in the figure, the handler 1 includes a loader section 2 for setting semiconductor devices as workpieces, a preheat section 3, a measurement section 4, a sorting section 5, and an unloader section 6.
Based on the results of measuring the semiconductor devices, the semiconductor devices are classified and stored in each magazine of the unloader section 6 for each type. In this embodiment, a direction changing section 7 is disposed between the loader section 2 and the preheating section 3, and the semiconductor device is configured to perform preheating processing by rotating the semiconductor device by 180 degrees in the horizontal direction.

As shown in FIG. 2, the direction changing section 7 includes a linear conveyance chute 8 which is arranged at an angle in one direction so as to continue from the loader section 2, and a linear conveyance chute 8 which is arranged at an angle in one direction so as to continue from the preheat section 3. A rotating chute 10 is provided between a linear conveying chute 9 and a rotating chute 10. Grooves 11a and 11b capable of receiving semiconductor devices are formed in the radial direction at positions of 180 degrees in the circumferential direction of the rotary chute 10.
A pair of stop levers 12 are provided at each end position of 1a and llb.
．． 13 is arranged symmetrically with respect to the center of rotation of the rotating shoe 10. A gear 22 is fixed to the rotation shaft 21 of the rotary chute 10, and is meshed with a drive gear 24 fixed to a free shaft 23 disposed parallel thereto. The rod 25a of the plunger 25 is linked to the drive gear 24 to form a bell crank mechanism, and the reciprocating movement of the rod 24a causes the drive gear 23 to reciprocate or rotate in the lower direction, and is rotated via the gear 21. The chute 10 is rotated.

The stop lever 12.13 is a support shaft 12a.

The tip end portions 12b and 13b, which are capable of vertically swinging about the axis 13a and are curved in a hook shape, are located in the grooves 11a and 11b, respectively. Compression springs 14 and 15 inserted between each base end 12C213c and the rotary chute 10 give the tips 12b and 13b a swinging habit in the direction of closing the grooves 11a and Ilb, respectively.

Further, a conveyance chute 8 on the upstream side of the rotary chute 10
An open arm 17 having a roller 16 at its tip is disposed at an upper position on the side closer to the open arm 17, and engages with the base ends 12c and 13c of the stop lever 12.13 rotated at a position directly below the open arm 17, thereby opening the stop lever. is swung against the compression springs 14, 15, and each tip 12b, 13b is moved upward to form the groove 11.
a, 11b are configured to be opened.

Further, an opening lever 18 is disposed above the rotary chute 10 on the side closer to the downstream conveyance chute 9. The opening lever 18 can swing vertically about a support shaft 18a, and a plunger 19 engaged with the base end 18C of the opening lever 18 is moved to project, thereby swinging the opening lever 18 against the habitual force of the tension spring 20. As a result, the tip 18b pushes down the base end 12c, 13c of either of the stop levers 12, 13, which are rotated to the position directly below this, and moves each tip 12b, 13b upward to open the groove 11a, llb.
It is configured to open.

The plungers 19 and 24 are configured to be operated in sequence by a control section not shown.

According to the above configuration, the rotary chute 10 as shown in FIG.
is located, the base end 1 of the stop lever 12
2C comes into contact with the roller 16 of the open arm 17 and moves the tip 12b upward, opening the grooves 1] and a. Therefore, the semiconductor device dropped from the transport chute 8 is removed from the groove 11a.
It enters the interior and is transferred to the rotating chute 10. Thereafter, the plunger 25 operates the rod 25a to rotate the drive gear 24, and the rotating shaft 21 is rotated via the gear 22.

As a result, the rotary chute 10 is rotated 180 degrees from the illustrated state.

Then, the stop lever 12 is released from the open arm 17, and the tip 12b moves downward to close the groove 11a and open the groove 1.
Prevents semiconductor devices from falling from 1a. Conversely, this time, the stop lever 13 is moved to a position facing the upstream conveyance chute 8, engages with the opening lever 17, and opens the tip 13b.
can be moved upward to open the groove 11b and accept the next semiconductor device.

On the other hand, the stop lever 1 has been moved to the transport chute 9 side.
2, the plunger 19 operates to move the tip 18b of the opening lever 18 downward against the force of the spring 20, thereby pushing the base end 12c of the stop lever 12 downward. As a result, the tip 12b of the stop lever 12 is connected to the groove 1.
1a is opened, and the semiconductor device in the groove is horizontally rotated by 180 degrees and transferred to the transport chute 9.

Thereafter, by repeating this action, it becomes possible to sequentially change the direction of the semiconductor devices sent from the transport chute 8 and send them to the transport chute 9.

In this embodiment, the following effects can be obtained.

(1)! A rotary chute 10 that rotates horizontally is disposed in the middle of the transport chutes 8 and 9, and the semiconductor device to be transported is rotated horizontally while being transferred to the rotary chute 10.
The horizontal direction of the semiconductor device can be changed by 180 degrees.

(2) Semiconductor devices can be transferred between the transport chute 8.9 and the rotary chute 10 by using their own weight because each chute is arranged at an angle. By operating the opening lever 18 and simultaneously rotating the rotary chute 10 in a sequential manner, semiconductor devices can be transported substantially continuously.

Although the invention made by the present inventor has been specifically explained above based on Examples, it goes without saying that the present invention is not limited to the above Examples and can be modified in various ways without departing from the gist thereof. Nor. For example, if the angle of the chute on the fixed side corresponding to the transport chute 8.9 is set to 90 degrees, and the rotation angle of the rotary chute 10 is set to 90 degrees, the semiconductor device can be moved horizontally by 90 degrees. Transport can be carried out. Furthermore, the transfer mechanisms such as the stop lever, opening arm, and opening lever on the rotating chute can be changed as appropriate to have a uniform configuration.

In the above explanation, the invention made by the present inventor was mainly applied to a handler using a dead weight drop method, which is the field of application for which the invention was made, but the invention is not limited thereto. The same applies to

〔Effect of the invention〕

A brief explanation of the effects obtained by typical inventions disclosed in this application is as follows. In other words, a rotary chute that forms part of the transport chute that transports the workpiece and is rotatable in the horizontal direction, a stop lever provided on the rotary chute that opens and closes a groove that can receive the workpiece, and a stop lever that controls the opening and closing of the chute. The workpiece being transported through the transport chute can be transferred to the rotating chute by the action of the stop lever operated by the opening arm and the opening lever, and the horizontal direction can be changed by the rotation of the rotating chute. After that, it can be transferred from the rotary chute to the conveyance chute to realize conveyance and storage in a predetermined horizontal direction.

[Brief explanation of the drawing]

FIG. 1 is a schematic perspective view showing the overall configuration of an embodiment of the present invention, and FIG. 2 is a partially exploded perspective view of main parts. DESCRIPTION OF SYMBOLS 1... Handler, 2... Loader part, 3... Preheat part, 4... Measurement part, 5... Classification part, 6... Unloader part, 7... Direction conversion part, 8 .9... Conveyance chute, 10... Rotating chute, lla, llb...
・Groove, 12.13...Stop lever, 14.15・
... Compression spring, 16... Roller, 17... Opening arm, 18... Opening lever, 19... Plunger, 20...
...Tension spring, 21... Rotating shaft, 22... Gear, 23... Idle shaft, 24... Drive shaft, 25... Plunger. Figure 1 r7 Nirok Se100 Figure 2

Claims (1)

[Scope of Claims] 1. A handler that includes a direction changing section that changes the direction of the work horizontally in a part of the transport chute that transports the work, wherein the direction changing section is part of the transport chute that transports the work. a rotary chute that can be rotated horizontally; a stop lever provided on the rotary chute to open and close a groove in which a workpiece can be received; and an open arm and an open lever that control opening and closing of the stop lever. A handler featuring: 2. As the rotary chute rotates, the stop lever is positioned corresponding to each of the upstream and downstream conveyance chutes, and when the stop lever is positioned corresponding to the upstream conveyance chute, the opening arm opens the groove and the downstream conveyance chute is opened. 2. The handler according to claim 1, wherein the groove is opened by an opening lever when the handler is positioned corresponding to the handler. 3. The handler according to claim 2, wherein the opening arm always opens the stop lever, and the opening lever opens the stop lever only when operated by the control section.