JPH09192942A - Fixing jig - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fixing jig incorporating an economical resilient element which can endure a long time use and which can be conveniently replaced with another. SOLUTION: An adhesive part 4 to which an accessory 4b is tacked, is set on a receiving plate 1. The accessory 4b is pressed by a spring 33b and a movable pin 33c which constitute a resilient element 3 attached to a pressing plate 2, and accordingly, the tacked accessory 4b having been resiliently pressed, is heated so as to cure the adhesive in order to permanently stick the accessory 4b to a part body 4.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a component main body such as an electronic component that is temporarily attached to its accessory with an adhesive and the adhesive is heated and cured while applying pressure to the accessory. It relates to a fixing jig for fixing the accessory parts to the.

[0002]

2. Description of the Related Art Conventionally, as a fixing jig of this type, FIG.
And the structure shown in FIG. In both of these figures, 21 is a receiving plate, 22 is a pressure plate, and 23.
Is an adhesive component. The receiving plate 21 is an adhesive component 23.
It has a plurality of concave mounting portions 21a on which the adhesive parts 23 are mounted according to the shape of the above. The pressure plate 22 is also provided with an adhesive component 2 in order to apply an elastic pressure to the adhesive component 23.
A plurality of band-shaped sponges 22a having a shape of No. 3 are adhered by a double-sided tape 22b. The adhesive component 23
As shown in FIG. 7, the adhesive 23b is attached to the component body 23a.
The accessory part 23c is temporarily bonded via the.

In the above structure, a plurality of adhesive parts 23 are attached to the plurality of concave mounting portions 21a of the receiving plate 21.
And the accessory 2 to which the adhesive component 23 is adhered
The belt-shaped sponge 22a is brought into contact with 3c, and an appropriate pressure is applied from the pressure plate 22. As a result, the provisionally bonded accessory 23c is subjected to a uniform pressing force due to the elasticity of the band-shaped sponge 22a, and when heated in an infrared oven or the like in this state, the adhesive 23b is hardened and attached. The component 23c is firmly bonded and fixed to the component body 23a.

[0004]

However, since the conventional fixing jig is used at a high temperature of 100 ° C. to 250 ° C., the sponge 22a has a dent mark as the number of times is increased, and one adhesive component 23 is formed. Also, its accessory parts 2
The pressure applied from the sponge 22a varied depending on the region 3c. Further, the sponge 22a is exchanged for the above reason, but depending on the shape of the adhesive component 23, the attachment accuracy is required, and there is a problem that the exchange time is long. In addition, the replacement material cost and the replacement labor cost of the sponge 22a due to this replacement are required, and the running cost is high. There is also a problem that the protruding adhesive 23b adheres to the sponge 22a and the adhesive component 23 and the sponge 22a adhere to each other.

Further, the receiving plate 21 and the pressure plate 2
There is also a case where the position of 2 is displaced during the pressurizing process and the pressing force from the vertical direction is not applied to the temporarily attached accessory 23c, resulting in poor adhesion quality of the component body 23a and the accessory 23c. It was

In view of the above, the present invention is capable of stably maintaining the uniform pressing force for a long period of time, has a short replacement time of the elastic element, and has no installation error at the time of replacement, and the replacement material cost and replacement labor cost thereof. It is an object of the present invention to provide a fixing jig in which the adhesive is not attached to the movable pin of the elastic element.

[0007]

In order to achieve the above object, the present invention provides a receiving plate having a mounting portion for an adhesive component and a fixed guide wall, and sliding in response to the fixed guide wall of the receiving plate. A pressure guide plate having a moving guide wall and a plurality of holes, and an elastic element fixed to the hole of the pressure plate, the elastic element including a socket, a leaf spring, and a pin holding member. The pin holding portion has a protrusion on the outer bottom of a bottomed cylinder, the spring and a part of the movable pin are held inside the cylinder, and the edge of the cylinder is caulked, and the socket Has
The pin holding portion is fixed via the leaf spring with which the protrusion fits, and the pressing force applied to the pressure plate is transmitted to the movable pin via the elasticity of the spring, and the movable pin causes It is characterized in that elastic pressure is exerted on the adhesive component placed on the placing portion of the receiving plate.

As described above, according to the present invention, the pressure applied to the pressure plate is transmitted to the movable pin via the spring of the elastic element made of metal. Can be used across. Further, since the elastic element is attached to the hole of the pressure plate through the socket, there is no attachment error when exchanging the elastic element, and the exchange time is short. Since the fixed guide wall and the movable guide wall slide in response to the fixed plate and the movable plate, relative displacement does not occur during the pressurizing process, and uniform elastic force is applied to the bonded component from the vertical direction. Pressure will be applied. Since the movable pin of the elastic element hits only the attached component to which the adhesive component is adhered, the adhesive protruding from the movable pin does not adhere.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to FIGS. 1 is a front view of the present embodiment, FIG. 2 is a partially exploded perspective view of a broken line portion a of FIG. 1, FIG. 3 is a form view of a state in which an elastic element is attached to a hole of a pressure plate, and FIG. It is explanatory drawing of pressurization operation. First, in FIGS. 1 and 2, 1 is a receiving plate, 2 is a pressure plate, 3 is an elastic element, and 4 is an adhesive component. Note that, in FIG. 2, the adhesive component 4 and the receiving plate 1 are illustrated in a reduced scale as compared with other members.

As shown in FIG. 4, the receiving plate 1 has a plurality of concave mounting portions 1a and fixed guide walls 1b on both sides thereof.

As shown in FIG. 4, the pressure plate 2 is also U-shaped as a whole, and has a plurality of holes 2a arranged in 3 rows and 3 columns on its flat portion and both sides. Has a moving guide wall 2b in the hanging part of the
Sliding is performed in response to the fixed guide wall 1b of the receiving plate 1.

The elastic element 3 is a flat washer-shaped leaf spring 3 divided into a cylindrical socket 31 with a collar and three pieces.
2 and a pin holding portion 33. As shown in detail in FIG. 3, the pin holding portion 33 has a protrusion 33a on the outer bottom of a bottomed cylinder, and an edge of the cylinder so as to hold the spring 33b and the brim of the movable pin 33c inside the cylinder. Is crimped inside.

The elastic element 3 has a structure in which the pin holding portion 33 is fixed inside the socket 31 via a leaf spring 32 into which the projection 33a fits, and the socket 31 has the hole 2a of the pressure plate 2. And is bonded and fixed to the pressure plate 2. In this embodiment, as shown in FIG. 4, the elastic elements 3 are attached to the nine holes 2a of the pressure plate 2, respectively. As the material of the spring 33b (see FIG. 3), when the adhesive 4c which is cured by heating at 100 ° C. or lower is used, SWP material is used.
When using the adhesive 4c that is heat-cured at a temperature of ℃ to 250 ℃, it is preferable to use a heat-resistant SUS material or the like from the viewpoint of extending the service life. 1 and 2
The adhesive component 4 shown in FIG. 4 is the same as the adhesive component 23 in the conventional example shown in FIG.

The fixing jig according to the present embodiment has the above-mentioned structure. Next, a mode of temporarily adhering the temporary adhesion of the adhesive component 4 will be described with reference to FIG.

The accessory 4b is attached to the component body 4a by the adhesive 4c.
The adhesive components 4 that have been temporarily adhered by are placed on the concave placement portions 1a of the receiving plate 1 respectively. Then, the pressure plate 2 is lowered onto the receiving plate 1 to move the movable pins 33.
c is brought into contact with the accessory 4b. In this case, as shown by the arrows, the movable pins 33c (elastic elements 3) are arranged so that the three movable pins 33c evenly hit one accessory 4b.

Then, a pressure is applied to the pressure plate 2 by a pneumatic cylinder (not shown), and this pressure is applied to the spring 33b (see FIG. 3) of the elastic element 3 and the movable pin 33.
It is transmitted to the accessory 4b via c, and the accessory 4b is evenly pressed.

In this case, the pressing force of the pressure plate 2 is divided according to the number of elastic elements 3 (movable pins 33c), and the springs 33b built in the elastic elements 3 all have the same elasticity. Therefore, the divided pressure is evenly applied to the movable pins 33c, and the three movable pins 33c are evenly arranged on the temporarily attached accessory 4b, so that the accessory 4b is evenly pressurized. 100 ℃ ~ 25 in the state
By heating at a temperature of 0 ° C., the adhesive 4c is hardened, and the accessory 4b is permanently bonded to the proper position of the component body 4a.

In this embodiment, the pressure plate 2 has three
Nine holes 2a consisting of three rows are provided, and a dedicated fixing jig in which the elastic elements 3 are attached to these holes 2a respectively constitutes a pressurizing plate 2 having holes 2a of n rows and n columns. It can be applied as a general-purpose fixing jig in which the elastic element 3 is provided and attached to the required hole 2a, and an accessory component of an adhesive component having an arbitrary shape is evenly pressed by one or more movable pins 33c to be adhesively fixed. Further, the adhesive component is not limited to the temporarily adhered component, but can also be applied to a case where a component attached thereto is temporarily fixed and processing such as processing is performed.

[0019]

According to the present invention, the pressing force applied to the pressure plate is transmitted to the movable pin through the spring of the elastic element made of metal, so that it does not change with time as compared with the conventional sponge. Can withstand long-term use. Further, since the elastic element is attached to the hole of the pressure plate via the socket, there is no attachment error when exchanging the elastic element and the exchange time is shortened.

Further, according to the present invention, since the moving guide of the pressure plate slides in correspondence with the fixed guide of the receiving plate, the pressure plate and the receiving plate are
Relative displacement does not occur during the pressurizing process, and uniform elastic pressing force is applied to the adhesive component from the vertical direction.

Further, in the present invention, since the movable pin of the elastic element contacts only the attached component to which the adhesive component is adhered, the protruding adhesive does not adhere to the movable pin.

[Brief description of the drawings]

FIG. 1 is a front view of an embodiment of a fixing jig of the present invention.

FIG. 2 is a developed perspective view of a portion surrounded by a broken line in FIG.

FIG. 3 is a diagram showing how the elastic element is attached to the pressure plate in the present embodiment.

FIG. 4 is an explanatory view of a mode of elastically pressing the elastic element in the present embodiment.

FIG. 5 is a front view of a conventional fixing jig.

6 is an explanatory view of a mode of elastically pressing an elastic element in the conventional fixing jig shown in FIG.

FIG. 7 is a developed perspective view of an adhesive component according to the present invention and a conventional example.

[Explanation of symbols]

 1 receiving plate 1a concave mounting portion 1b fixed guide wall 2 pressure plate 2a hole 2b moving guide wall 3 elastic element 31 socket 32 leaf spring 33 pin holding portion 33a protrusion 33b spring 33c movable pin 4 adhesive component 4a component body 4b accessory component 4c adhesive

Claims (1)

[Claims] 1. A receiving plate having a mounting portion for an adhesive component and a fixed guide wall, a moving guide wall that slides in response to the fixed guide wall of the receiving plate, and a pressure plate having a plurality of holes. An elastic element fixed to the hole of the pressure plate, and the elastic element includes a socket, a leaf spring, and a pin holding portion, and the pin holding portion is provided on the outer bottom of the bottomed cylinder. An edge of the cylinder is crimped so as to hold a spring and a part of the movable pin inside the cylinder, and the pin is inserted into the socket via the leaf spring into which the projection fits. The holding portion is fixed, the pressing force applied to the pressure plate is transmitted to the movable pin via the elasticity of the spring, and the adhesive is placed on the receiving portion of the receiving plate by the movable pin. Fixture, characterized in that exert an elastic pressure on the goods.