JPH065638Y2 - Test terminal - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a test terminal used in an automatic component insertion device.

[Outline of device]

The present invention provides a test terminal that can be automatically inserted into a component hole of a printed circuit board by a component automatic insertion device for a radial lead type taping component.
A taping part provided at one end, a constriction-shaped cutting part that follows the taping part, and a retaining part that is inserted into a component hole of the printed circuit board to prevent it from coming off from the printed circuit board. And a position regulation and a terminal portion.

[Conventional technology]

There are various types of test terminals mounted on the printed circuit board depending on the function of the printed circuit board or the device.

Equipment that is frequently checked for operation in the manufacturing process and field services, such as professional video equipment or broadcast video equipment, has test terminals that are easy to lock the probe or clip on, and robust and durable. Therefore, the test terminals having the shape as shown in FIG. 3 are used.

In FIG. 3, 3 is an insertion part to be inserted into a component hole of a printed circuit board, 6 is a terminal part for connecting a probe or a clip of a measuring instrument, and 4 is a test terminal which does not fall off when the test terminal is inserted into the component hole. A retaining part formed in a protruding shape to prevent it,
Reference numeral 5 is a position regulating portion that regulates the insertion depth of the test terminal, and 7 is a locking portion for locking the probe or clip of the measuring instrument.

The test terminals are manually inserted into the component holes one by one in the component insertion process of the printed circuit board. Therefore, it takes a lot of man-hours.

As a conventional product for reducing the number of component insertion steps, there is a test terminal as shown in FIG. 4, which is automatically inserted into a component hole of a printed circuit board by a dedicated automatic insertion device.

In FIG. 4, 3 is an insertion part, 6 is a terminal part, 4 is a retaining part, 7 is a locking part, and 2 is a cutting part for making the test terminals connected linearly into individual parts.

The dedicated automatic insertion device cuts the linear test terminal wound on the reel by the cutting unit 2 into individual components, and sequentially inserts these into predetermined positions of the printed circuit board according to a program.

The difficulty of this test terminal is that the terminal body is relatively thin and lacks in durability, and since each part of the test terminal is formed by squeezing processing, there is little protrusion of the locking part and it is difficult to lock the probe or clip. And so on. Therefore, the test terminal of this shape is not suitable for the printed circuit board of the above-mentioned professional video equipment or broadcast video equipment in which the operation check is frequently performed.

[Problems to be solved by the device]

In recent years, automation of electronic component insertion by an automatic component insertion device capable of automatically inserting electronic components into a printed circuit board has been advanced.

This automatic component insertion device is classified into a general-purpose type and a dedicated type.
A general-purpose automatic component insertion device selects and grabs electronic components such as resistors, capacitors, inductors, semiconductors, etc., each of which has multiple types of taping, and according to a pre-created program, components at predetermined positions on the printed circuit board. It is something that is inserted into the hole. Further, the dedicated type automatic component insertion device inserts only one type of component having a specific shape into a component hole at a predetermined position of a printed circuit board according to a program created in advance.

Parts can be supplied by this dedicated type automatic parts insertion device by connecting parts as in the example of FIG. 4, taping parts like a general-purpose type, or supplying individual parts by a parts feeder. Is done by.

With the introduction of these automatic component insertion devices, the mounting of printed circuit board components in the above-mentioned professional video equipment or broadcast video equipment is being automated, and most types of electronic components are automatically inserted. It was However, the conventional test terminals required for this type of printed circuit board, such as the example shown in FIG. 3, cannot be inserted by the above-described general-purpose type or dedicated type automatic component inserting apparatus, and are manually operated exclusively. Had been inserted.

Therefore, the component insertion process of this type of printed circuit board is a mixed process of automatic component insertion and manual work, and there is a problem in terms of manufacturing efficiency or flexibility in operating the manufacturing apparatus.

As described above, the test terminal as shown in the example of FIG. 3 has been a major obstacle in promoting the automation of component insertion.

It is an object of the present invention to solve the above-mentioned problems by providing a test terminal that can be inserted by the above-described component automatic insertion device, thereby eliminating the obstacle in measuring the full automation of component insertion.

[Means to solve the problem]

In order to enable the test terminal to be automatically inserted into the component hole of the printed circuit board by the component automatic insertion device for the radial lead type taping component, the test terminal is attached to the taping portion and the taping portion. It is configured to have a constricted cut portion in a subsequent portion, a retaining portion that is inserted into a component hole of the printed circuit board to prevent the component from coming off from the printed circuit board, a position restricting portion, and a terminal portion.

[Action]

The test terminal of the present invention is formed into a taping part by fixing the taping part to an adhesive tape, and when this is set in a general-purpose type part automatic insertion device or a dedicated part automatic insertion device for taping parts, when inserting, The terminal part is held by the holding mechanism, the cutting part is cut by the cutter, and the test terminal that became a single component is carried to a predetermined position on the printed circuit board while being held by the holding mechanism, and the component hole provided there The insertion part is inserted into. When the test terminal is inserted into the component hole, the retaining portion is hard to fit into the end surface of the component hole, which prevents the test terminal from falling out of the component hole.

〔Example〕

An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 shows an embodiment of the test terminal of the present invention.

This test terminal is manufactured from hard copper or the like in consideration of durability.

In FIG. 1, reference numeral 1 is a taping portion that is adhesively fixed to the adhesive portion of the adhesive tape 8. As shown in FIG. 2, the taping portion 1 of each test terminal is adhesively fixed on the adhesive tape 8 in the longitudinal direction of the adhesive tape 8 to form a taping component for the test terminal of the present invention. The adhesive tape 8 is provided with a hole 9 for automatically feeding the taping portion with an automatic component inserting device.

The taping unit 1 is for transportation after being made into a taping component,
In order to maintain an adhesive strength that can withstand vibration during various handling such as installation in an automatic component insertion device and operation by this device, for example, a flat plate structure as shown in the cross section with diagonal lines in FIG. Has become. Although not shown in the figure, in order to further widen the adhesive area of the taping part, if a part of the flat plate structure is subjected to a press machine or the like so that the width of the flat plate structure is partially widened, the adhesive strength is further increased. It is possible to further reduce the displacement of the test terminals on the tape 8.

Reference numeral 2 is a cutting unit that is cut by a cutter of the automatic component insertion device. Generally, the cutter of the automatic component inserting device has a cutting ability of about 0.8 mm at maximum with an annealed copper material, so that the structure of the cutting portion 2 has a constricted shape so as to match the cutting ability. This constricted portion is formed by processing such as cutting or squeezing. The length of the cutting part 2 in the longitudinal direction depends on the positional accuracy when the taping part 1 is attached to the adhesive tape 8, the processing accuracy when forming the cutting part 2, the cutting position accuracy of the cutter, and the like. It is selected to be a value that allows a relative positional deviation between the two.

Reference numeral 3 denotes an insertion portion which is inserted into a component hole of the printed circuit board, and provided with a retaining portion 4 for preventing the component from coming off from the component hole and a flange-shaped position regulating portion 5 for regulating the insertion depth. ing.

The retaining portions 4 are formed in a taper shape from the insertion portion toward the position regulating portion 5, and in the embodiment, four portions are formed around the insertion portion. The height of this tapered portion is selected to a value corresponding to the insertion pressure of the automatic component insertion device. Generally, the insertion pressure of the automatic component insertion device is smaller in the general-purpose type than in the dedicated type.
In the case of the embodiment, the height corresponds to the insertion pressure of the general-purpose type. The number of the retaining portions 4 is not limited to four, and may be any number as long as it is commensurate with the insertion pressure of the component automatic insertion device and can be prevented from coming off.

Since the function of the position regulating portion 5 is to regulate the depth of insertion, this shape is not limited to the brim shape, but may be a projection shape, for example.

Reference numeral 6 denotes a terminal portion for connecting a probe or clip of the measuring instrument, and a locking portion 7 for preventing the probe or clip from coming off the terminal portion 6 is provided here. The shape of the locking portion 7 is a disk shape in the embodiment, but may be a spherical shape or a grip shape of a walking stick. The test terminal of the example has a disk shape and its diameter is 1 mm. The shape and thickness are not limited as long as they can withstand frequent operation checks.

The test terminal of the present invention is such that the terminal portion 6 is held by the component holding mechanism of the general-purpose type or dedicated type automatic component inserting device for the radial lead type taping component, the cutting portion 2 is cut by the cutter, and held by the component holding mechanism. It is carried to a predetermined position of the printed circuit board as it is, and inserted into the component hole provided therein.

[Effect of device]

According to the present invention, it is possible to form a test terminal used as a taping component in a printed circuit board of a commercial video device or a broadcast video device, for which an operation check is frequently performed. Therefore, the test terminal according to the present invention can be automatically inserted by a general-purpose type or a dedicated type automatic component inserting device of the radial lead type taping component, which realizes the full automation of the component inserting, and the manufacturing efficiency of the component inserting process and the manufacturing device. Operational flexibility is improved.

[Brief description of drawings]

FIG. 1 is a side view of a test terminal according to an embodiment of the present invention, and FIG.
FIG. 3 is a side view of the taping example of the test terminal shown in FIG. 1, and FIG.
FIG. 4 is a side view of a conventional manual insertion terminal, and FIG. 4 is a side view of a conventional automatic insertion terminal. In the figure, 1 ... taping part 2 ... cutting part 3 ... insertion part 4 ... prevention part 5 ... position regulating part 6 ... terminal part 7 ... locking part 8 ... tape 9 ... hole .

Claims (1)

[Scope of utility model registration request] 1. A test terminal to be mounted on a printed circuit board, the taping portion being formed at one end and fixed to a predetermined position of a tape as one of a series of taping components before the mounting operation on the printed circuit board. And a cutting portion formed in a constriction shape at a portion following the taping portion and cut by the component automatic insertion device during mounting work on the printed circuit board, and a portion following the cutting portion in a direction approaching the cutting portion. A retaining portion that is formed in a tapered shape so that the width becomes narrower as it goes, and is prevented from coming off from the printed circuit board after being inserted into the component hole of the printed circuit board by the component automatic insertion device, and the retaining portion. And a position regulating portion that is formed at a portion following the above and regulates the insertion depth into the component hole of the printed circuit board during the component automatic insertion work, It is formed in the part following the placement control part, and the cutting work of the cutting part and the insertion work of the retaining part are performed while being held by the component automatic insertion device during the mounting work, and the connection of the measuring device after the mounting work is performed. A test terminal comprising: a terminal portion to which a member for connection is connected.