JPS59120969A - Fixture device for test of parts - Google Patents

Abstract

PURPOSE:To cope flexibly with plural kinds of objects to be measured, by reimplanting positions of contact probes, with which a fixture is implanted, in accordance with positions of terminal parts of the object to be measured. CONSTITUTION:The first fixture 11a is turned in the direction of an arrow A and is stood vertically approximately, and two robot arms 21a and 21b are used to grasp contact probes 15, 15- inserted to storage holes 14, 14- for contact probes, and in accordance with the positioning of terminals of a printed board unit 12a to be tested, contact tips at the top are penetrated and implanted in order to the prescribed position of inserting holes 13, 13- of the first fixture 11a from its lower to upper face sides. Next, the first fixture 11a is turned in the direction of an arrow B and is brought down to the horizontal position, and the print board unit 12a to be tested is taken out from a hole 22a for arrangement and is put on the upper face of the fixture 11a. In this state, a test signal is outputted from a tester to perform the continuity test and the function test of the printed board unit 12a as the object to be measured.

Description

DETAILED DESCRIPTION OF THE INVENTION (1) Technical Field of the Invention The present invention relates to a fixture device for component testing that performs continuity or functional tests on objects to be measured such as printed circuit boards or non-print board units, and particularly relates to a fixture device for testing parts that performs continuity or functional tests on objects to be measured such as printed circuit boards or non-contact board units. The present invention relates to a component testing fixture device that can flexibly respond to a plurality of types of damaged objects by appropriately replanting the position of the glove in accordance with the position of the terminal portion of the object to be measured.

■Prior art and problems As shown in FIG. 1, in this type of conventional component testing fixture device, a contact probe 2 is planted from the bottom side of a base plate-shaped fixture 1 toward the top side.
A non-plate unit 3, which is the object to be measured, is placed on the upper surface of the fixture 1, and the tip of the contact glove 2 of the fixture 1 is pressed against the terminal part of the printed board unit 3 at the measurement location to test continuity. Or I was conducting a functional test of IC4, resistor 5, etc.

However, in this case, the mounting position of the contact glove 2 of the fixture 1 is set to the printed board unit 3 to be tested.
The fixtures are fixed according to the positions of the terminals, and one type of printed board unit 3 is associated with one fixture. Therefore, in order to test another type of printed board unit 3, it was necessary to replace the fixture with a fixture having a contact probe installation position corresponding to that type. In other words, a large number of dedicated fixtures are required depending on the type of printed board unit or flint board to be tested.
This resulted in high costs.

(3) Purpose of the Invention The present invention has been made in order to solve the above-mentioned problems.The present invention has been made in order to solve the above-mentioned problems. The purpose of this invention is to provide a fixture device for component testing that can flexibly respond to objects to be measured.

(4) Structure of the Invention and the above-mentioned object according to the present invention is to place an object to be measured on a fixture in which a contact glove is planted at a predetermined position, and to attach the tip of the contact glove to the terminal portion of the object to be measured. In a fixture device for component testing that performs continuity or function tests by pressing, the fixture is provided with insertion holes arranged in a grid at predetermined intervals, and a contact-globe storage hole is provided on one side of the fixture. A number of contact gloves each having a clamp part at the proximal end are inserted into this mounting hole, wires for signal entry/exit are wired, and a predetermined position is held by holding the clamp part of the contact glove near this fixture. A robot arm that is controlled to position and move from one position to another is provided, and this robot arm inserts the contact probe into the fixture through its placement hole in a predetermined position corresponding to the position of the terminal part of the object to be measured. This is accomplished by providing a component testing fixture that is adapted to be planted into a hole.

(5) Embodiments of the invention Hereinafter, embodiments of the invention will be described in detail with reference to the accompanying drawings.

FIG. 2 is a perspective view showing a fixture device for component testing according to the present invention. A first fixture 11a and a second fixture 11b each formed in a flat plate shape are provided on both sides of the upper surface of the base box 10. These fixtures 11a and llb are for placing a printed board unit (12a) or a printed circuit board, which is the object to be tested, in the direction of the arrows A%B, C, and D, respectively, with their respective outer sides as the center. It is attached so that it can rotate from a horizontal position to a substantially vertical position. These fixtures lla and lb have contact probes 15 to be described later.
tl - Insertion holes 13, 13, . And the above fixture 1
Placement holes 14.14 for the contact probes 15 are drilled on one side of the area adjacent to the area where the insertion holes 13.13... of 1as 11b are drilled. There is.

A large number of contact gloves 15 as shown in FIG. 3 are inserted into the mounting holes 14, 14, . . . , as shown in FIG. This contact probe 15 inputs and outputs a test signal by making contact with the terminal part of the measuring point of the printed board unit 12a, which is the object to be measured.
6, a signal input/output wire 18 is wired in the housing 1T, and insertion holes 13, 13 for the fixtures 11a, 11b are provided near the contact tip 16.
・A planting portion 19 with a slightly larger diameter is formed to be press-fitted into.

A clamp portion 20 is formed at the base end of the contact probe 15 to be gripped by a robot arm 21' 521b, which will be described later.

The first fixture 711a is installed on the top surface of the base box 10.
A first robot arm 2ia (!: second robot arm 21b) is provided between the robot arm 2ia and the second fixture 11b.
1 grips the clamp portion 20 of the contact glove 15 and attaches the contact glove 15 to the fixture 1.
The plant is planted by moving from the storage hole 14 on one side of the 1ax 11b to the insertion hole 13, and is controlled by a computer or microprocessor to position and move from a predetermined position to another position. That is, a computer or the like determines where in the storage hole 14 and where in the insertion hole 13 the contact glove 15 should be planted, depending on the arrangement of the terminals at the measurement location of the printed board unit 12a, which is the object to be measured. Then, predetermined contact probes 15 are sequentially planted in the positions. In addition, when the printed board unit 12a that is the object to be measured is replaced with a different type, contact gloves 1 are inserted into the insertion holes 13 according to the arrangement of the terminals of the printed board unit.
5 will be replanted one after another.

In addition, in FIG. 2, two fixtures such as the first fixture 11a and the second fixture 111) are provided, for example, the first fixture 11
During the test with printed board unit) 12a placed on a,
This is to prepare the second fixture 11b by planting contact probes 15 in accordance with other types of printed board units 12b, thereby reducing waiting time. ball,
The reason why two robot arms such as the first robot arm 21a and the second robot arm 21b are provided is that the contact gloves 15 are planted in the respective fixtures 11a, 11k) during the work. This is to shorten the work time for planting by moving the 21tl alternately. If such time reduction is not particularly required, only one fixture and one robot arm are sufficient.

In addition, in FIG. 2, the reference numeral 22a indicates the print & unit (print & unit) 12 to be placed on the first fixture Ila.
221) is the alignment hole for lining up the printed board unit a and the printed board unit 12'a after the test, respectively. Reference numeral 221) is the alignment hole for the printed board unit 12b to be similarly tested with the second fixture 11b. .

The use of the component testing fixture according to the present invention will now be described. First, the first fixture 1
The contact gloves 1a are rotated in the direction of the arrow to stand up approximately vertically, and a large number of contact gloves 15 are inserted into the contact glove 15 placement holes 14, 14, using the two fortune-telling robot arms 21a (1211). .15..., and select the first fixture 11a according to the arrangement of the terminals of the printed board (22) 12a to be tested.
The contact tip 16 at the tip is inserted into the insertion hole 13, 13, . Incidentally, when the contact glove 15 is gripped by the robot arms 21a and 21b, it may be possible to check the continuity of the signal input/output wire 18 to see if there is a wiring defect or a disconnection. Next, rotate the first fixture 11 & in the direction of arrow B and bring it down to a horizontal position.
Printed board unit 1 to be tested on this top surface
21L is taken out from the alignment hole 22a and placed thereon. At this time, all the terminal portions of the printed board unit 12a are connected to the contact tips 16 of the contact probes 15, 15, etc. planted in the first fixture ll&.
This results in pressure contact with the It should be noted that when placing the printed board unit 12a on the first fixture Ila using the robot arm 21as21b, the automatic
You may also perform a link.

In this state, a test signal is input/output from a tester (not shown) via the signal input/output wire 18 to conduct a continuity or function test of the printed board unit 12a, which is the object to be measured. When the test is completed, the printed board unit 12'a after the test is removed from the upper surface of the -th fixture tia and sequentially aligned on the other side of the alignment hole 22a. Then, take out the new cover plate unit 12a from one side of the alignment hole 22a and remove the first fixture Il&
Place it on the top surface and repeat the test in the same way as above.

On the other hand, while testing a type of printed board unit 12a using the first fixture 11a, a printed board unit of a different type is tested using the second fixture 11b.
12b, contact probes 15, 15, etc. are inserted into the insertion holes 13, 13, and 12b from the mounting hole 14 according to the arrangement of the terminals of the printed board unit 12b on the above side in the same manner as described above. Prepare by planting them one after another in the designated locations. And the first fixture
Immediately after the test by ia is completed, the second fixture 111) is used to start testing another printed board unit 12b. Next, the first fixture 11a
In addition, for testing a third type of printed circuit board unit, a contact glove 15.15 is applied as described above.
... from the storage hole 14 to the insertion holes 13, 13, etc. according to the arrangement of the terminals of the third printed board unit.
Prepare by planting them one after another in the designated locations. At this time, by comparing the arrangement of the terminals of the first printed board unit 12a and the arrangement of the terminals of the third printed board unit,
It is desirable that the contact gloves 15 in the same location are not inserted or removed, and that the control is performed by a computer or the like so as to minimize the time for replanting the contact gloves 15 and the number of times the contact gloves 15 are inserted or removed. Also, when returning the contact glove 15 planted in the insertion hole 13 to the storage hole 14, it should be placed in the reverse order to the initial planting order so that the signal input/output wires 18, 18, etc. are entangled. It is desirable to avoid this.

(6) Effects of the Invention Since the present invention is configured as described above, the contact probes 15.
15... can be replanted as appropriate in accordance with the position of the terminal portion of the object to be measured, making it possible to flexibly respond to a plurality of types of objects to be measured. Therefore, it is possible to reduce costs by preparing as many dedicated fixtures as there are types of objects to be measured, as in the past.

[Brief explanation of drawings]

FIG. 1 is a sectional explanatory view showing a conventional component testing fixture device, FIG. 2 is a perspective view showing a component testing fixture device according to the present invention, and FIG. 3 is a perspective view showing a contact glove. 10...White cylinder 11a%11k)...Fixture 12a,
12b...Printed board unit (object to be measured) 13...Insertion hole 14...Storage hole 15...Contact glove 18...Signal Input/output wire 20... Clamp part 2ias 21b... Robot arm Applicant Fujitsu Ltd.

Claims (1)

[Claims] In a fixture for component testing, a test object is placed on a fixture in which a contact probe is planted in a predetermined position, and a continuity or function test is performed by pressing the tip of the contact glove against the terminal part of the test object. Insertion holes are arranged in a grid pattern at predetermined intervals, and a contact glove placement hole is provided on one side of the injection hole, and a signal entry/exit wire is wired in this placement hole. a robot arm that is controlled to insert a number of contact gloves each having a clamp part in the part thereof, and to grip the clamp part of the contact probe in the vicinity of the fixture, position the contact probe from a predetermined position to another position, and move the contact probe; A fixture device for component testing, in which the robot arm plants the contact gloves from their placement holes into predetermined insertion holes of the fixture, corresponding to the positions of the terminals of the object to be measured.