JPH0562704B2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field The present invention is a burn-in device, that is, a burn-in device that applies current and signals to circuit elements mounted in the sockets of printed wiring boards and test socket boards equipped with circuit elements to eliminate potential defective products. The present invention relates to a device used for performing burn-in tests for such purposes.

As used herein, the term "burn-in" refers to the present invention.
The term '' is used in a broad sense including debugging and screening, including in the claims section.

It is advantageous to downsize the test equipment to perform burn-in tests by connecting the boats to plug-in connectors arranged in multiple stages at fixed positions, and storing them in a burn-in bar in multiple stages. Therefore, it is a problem to efficiently remove the board from the connector after testing such a parallel board arranged in multiple stages, and it is also a problem to efficiently insert the board into the connector before the burn-in test. Become.

Conventional technology Conventionally, in burn-in equipment that performs burn-in tests by storing boards in the form of multi-stage parallel bodies in a burn inch bar, the multi-stage parallel bodies of boards are detached from connectors using mechanical force. However, no one has yet been developed that can mechanically insert the connector into a multi-stage parallel arrangement of boards, and the insertion relies on manual effort. The force required to insert a board into a connector is usually about 10 to 15 kg per board, which is not small, and conventional manual insertion has a capacity of over 100 boards. Considering the actual situation, this is a serious problem.

Problems to be Solved by the Invention Therefore, the present invention provides a machine that not only removes and disconnects a multi-stage parallel board from a corresponding multi-stage connector, but also inserts a multi-stage parallel board into a connector that is arranged in a multi-stage arrangement. The aim is to provide a burn-in device that guarantees automatic burn-in operation.

Means for Solving the Problems In order to achieve the above object, the burn-in device of the present invention performs burn-in in multiple stages while a board under test is plugged into a plug-in connector arranged in multiple stages at a fixed position. In the burn-in device housed in the chamber, a first pusher capable of being driven back and forth and for pushing a multi-stage parallel body of boards in the burn-in chamber to a side opposite to the connector by its forward drive is placed at a predetermined position in the burn-in chamber. , a pair of left and right second pushers extending along the ends are installed at positions corresponding to the left and right ends on the front side of the multi-stage parallel body of boards in the burn inch yam bar, and Fix one end of the rod to each pusher,
The other end of the rod is pivotally connected to the first pusher so that the rod can pivot back and forth around the axis along the parallel direction of the multi-stage parallel board body around the other end side. It is a feature.

Embodiments Hereinafter, embodiments of the present invention will be described with reference to the drawings.

In Figures 1 to 4, 1 is the board under test,
2 indicates a plug-in type connector in the burn-in device, the connector 2 is arranged in multiple stages at fixed positions in the burn-in bar 3, and the board 1 is inserted into the burn-in bar 3 in multiple stages while being plugged and connected to the connector 2. be accommodated. The board 1 is separated from the burn inch chamber 3 and is held between pairs of left and right holding or supporting means provided in multiple stages at fixed positions on a frame-shaped board carrier that can be carried into and taken out of the chamber 3. or under supported conditions;
The above-mentioned multi-stage accommodation may be carried out in the chamber 3, or the above-mentioned multi-stage accommodation may be carried out in a mode in which the chamber 3 is held or supported by stationary clamping or supporting means placed at a predetermined position within the chamber 3. I don't mind going. The former type is shown in the figure, and its board carrier is designated by the reference numeral 4. The connector 2 is electrically led out of the burn inch bar 3 through the relay board 5.

Reference numeral 6 denotes a first pusher, and in the case of the illustrated format, the pusher 6 has a base plate facing the left and right ends of the back side (on the left side in FIGS. 2 and 3) of the board carrier 4 on which the multi-stage parallel body of the boards 1... is mounted. Push bars 7, 7 extending in the parallel direction of the boards 1 are provided. The multistage parallel body of board 1... is burn inch yanbar 3
In the case of a type in which a stationary type clamping or supporting means is attached, the pusher bars 7, 7 of the first pusher 6 are attached to the left and right ends of the back of the multi-stage parallel body of boards 1 attached to the means. Place it so that The first pusher 6 is driven in the longitudinal direction through a transmission chain 9, a crank mechanism 10, and a connecting rod 11 by a suitable drive means, such as a geared motor 8 or a worm wheel (not shown).

Reference numeral 12 denotes second pushers, which form a pair on the left and right, each facing the left and right ends of the front side of the multi-stage parallel body of boards 1 in the burn inch yam bar 3, and It extends in the parallel direction of the parallel bodies. One end of the rod 15, 15, 15, 15 is fixed to the second pushers 12, 12, and the other end of the rod 15, 15, 15, 15 is connected to a pin whose axis is along the parallel direction of the boards 1... 13, it is pivotally connected to the first pusher 6.

Reference numeral 14 denotes a roller disposed at a fixed position at the bottom of the chamber 3, on which the board cage 4 moves when moving in and out of the chamber 3. 16
is a latch provided on the second pushers 12, 12.

In the apparatus of the present invention having the above configuration, the multi-stage parallel body of the boards 1 is removed from the connector 2, and the multi-stage parallel body of the boards 1 is inserted into the connector 2 in the following manner.

Now, if a multistage parallel body of boards 1... is housed in the chamber 3 in a state where they are inserted and connected to the connectors 2..., when the first pusher 6 is driven forward in this state, When a multi-stage parallel body of boards 1... is housed in the chamber 3 in the form of being attached to the board carrier 4, the forward drive of the first pusher 6 moves the pushers 7, 7.
As a result, the multi-stage parallel bodies of the boards 1 are pushed forward through the frame members 4a, 4a facing the rear end of the board 1...multi-stage parallel bodies of the board carrier 4, and the multi-stage parallel bodies of the boards 1... are pushed forward into the chamber 3. When the board 1 is housed in a stationary holding or supporting means, the pusher bars 7, 7 of the first pusher 6 hold the board 1 at the portion facing it.
The multilevel parallelism of is directly pushed forward. In this way, the board 1...multi-stage parallel body is disconnected from the connector 2....

In order to carry the board 1 parallel body removed from the connector 2 out of the chamber 3, it is necessary to use the pin 13 as a fulcrum to displace the second pusher 12 to the outside of the board 1 multi-stage parallel body. This may be carried out manually, or may be carried out using a guide means using a pin and a guide groove fitted with the pin. In the former case, the latch 16 is removed when the pusher 12 is displaced. The latter method mentioned above is shown in FIG. In FIG. 5, the same reference numerals as in FIGS. 1 to 4 indicate the same parts. In Figure 5, the above pin is numbered 17.
Accordingly, the guide groove is designated by reference numeral 18, and the pin 17 is attached to the tip of the rod 15 with its axis along the parallel direction of the boards 1.
The guide groove 18 is disposed at a predetermined position in the chamber 3 and extends in the front-rear direction, and the front end of the first half of the guide groove 18 gradually moves away from the outside of the board 1 . . . the multi-stage parallel body.

A multistage parallel body of boards 1... mounted on a board carrier 4 and carried into the chamber 3, or mounted on clamping or supporting means in the chamber 3,
If the second pushers 12, 12 are of the type shown in Figs. When the first pusher 6 is driven backward, the rod 1
The second pushers 12, 12 are also driven rearward via the connectors 5, 15, 15, 15, and the left and right ends of the front side are pushed backward, that is, toward the connector 2... side by the second pushers 12, 12. , connector 2...
inserted into. In the case of the type shown in FIG. 5, as the first pusher is driven backward, the second pushers 12, 12 move backward, and the board
...Returns to the position corresponding to the left and right ends on the front side of the multi-stage parallel body, and in the latter stage of the backward movement of the second pushers 12, 12, the board 1...multi-stage parallel body is pushed into the connector 2... by the second pushers 12, 12. .

Effects of the Invention As described above, according to the present invention, not only can a multi-stage parallel body of boards be removed from a corresponding connector in a multi-stage arrangement, but also the multi-stage parallel body of boards can be inserted into a connector in this multi-stage arrangement. Since it can be performed automatically using mechanical power, it contributes to labor saving and is efficient.

[Brief explanation of the drawing]

1 to 4 show an embodiment of the present invention,
Fig. 1 is a perspective view of the main parts of the same embodiment, Fig. 2 is a partially omitted side view, Fig. 3 is a plan view, Fig. 4 is a front view, and Fig. 5 shows another example of implementing the present invention. It is a perspective view of the important part shown. 1 is the board under test, 2 is the connector, 3 is the burn inch bar, 4 is the board carrier, 5 is the relay board, 6 is the first pusher, 7 is the pusher bar, 8 is the geared motor, 9 is the transmission chain, 1
0 is a crank mechanism, 11 is a connecting rod, 12 is a second pusher, and 15 is a rod.

Claims (1)

[Claims] 1. A burn-in device in which the board under test is housed in a burn inch bar in multiple stages with the board under test plugged into plug-in connectors arranged in multiple stages at fixed positions, and which can be driven forward and backward to A first pusher for pushing the multi-stage parallel body of boards in the burn inch yanbar to the side opposite to the connector is placed in the internal position of the burn inch yan bar, and the left and right ends of the front side of the multi-stage parallel body of boards in the burn inch yan bar A pair of second pushers on the left and right extending along the ends are respectively installed at positions corresponding to the ends, one end of the rod is fixed to each of the second pushers, and the other end of the rod is fixed to the first pusher. A burn-in device characterized in that the rod is pivotally mounted to the pusher so as to be able to pivot back and forth around the axis along the parallel direction of the multi-stage parallel board body, centering on the other end side.