JPH0591831U - Thermocompression bonding device - Google Patents

Abstract

(57) [Summary] (Modified) [Purpose] It is possible to easily adjust the parallelism between the convex surface of the iron and the surface of the mounting table, and to make the adhesive force between the thin tape and the thin tape uniform. A thermocompression bonding device is provided. [Structure] A thin tape is covered on a narrow tape on which a plurality of sealing members such as electronic parts are placed at predetermined intervals in the longitudinal direction, and both end portions of the thin tape are pressed by pressing both end portions thereof. A thermocompression bonding device for thermocompression bonding to a pair of mounting bases 14a on which both ends of a narrow tape are mounted, a pair of bases 22a at least one of which is movably mounted, and a space between the base and the mounting base. And a pair of protrusions 1 which are heated by the heater and are thermocompression-bonded to both side ends of the tape.
The trowel 10 is provided with 2 and 12, and a drive device for moving the trowel in and out.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a thermocompression bonding device, and more specifically, a thin tape is covered with a thin tape on which a plurality of sealing members such as electronic parts are placed at predetermined intervals in the longitudinal direction. The present invention relates to a thermocompression bonding apparatus that presses both side ends of the tape to heat-bond to both side ends of the narrow tape in the width direction to seal a sealing member such as an electronic component.

[0002]

[Prior Art]

 Electronic components mounted by a machine on a print substrate or the like are stored in the tape container 100 shown in FIG. 4 and transported. In the tape-shaped container 100 shown in FIG. 4, a plurality of recesses 102 are formed in the longitudinal direction of a resin narrow tape 108, and the openings of the recesses 102 are covered with a resin thin film tape 106. The thin film tape 106 is thermocompression bonded to both side end portions 104, 104 of the narrow tape 108. A sprocket hole 110 for feeding the narrow tape 108 is formed at one of the side ends of the narrow tape 108. The tape-shaped container 100 shown in FIG. 4 has a plurality of sprocket holes 110 ... Formed on one side, but there is also a tape-shaped container having a plurality of sprocket holes formed on both sides.

In such a tape-shaped container 100, thermocompression bonding with the thin film tape 106 is performed by the thermocompression bonding apparatus 200 shown in FIG. 5 while feeding the narrow tape 108 intermittently. In the thermocompression bonding apparatus 200 shown in FIG. 5, a slide portion 208 slidably provided along a slide base 206 provided on a base 204 moves up and down in the arrow A direction by the air cylinder 202. A trowel 214 having a pair of convex portions 216 and 216 is attached to a heater portion 212 attached to the bottom surface portion of the slide portion 208 via a heat insulating layer 210. Under the trowel 214, there is provided a bottom 218 including a pair of mounting bases 218a and 218b, and the upper surfaces of the mounting bases 218a and 218b are positioned to face the convex portions 216 and 216 of the trowel 214, respectively. Of the pair of mounting bases 218a and 218b, the mounting base 218a is fixed, but the mounting base 218b is movably provided. Therefore, the gap between the mounting tables 218a and 218b can be adjusted by moving the mounting table 218b.

[0004]

[Problems to be solved by the device]

 When performing thermocompression bonding of the tape-shaped container 100 using the thermocompression bonding apparatus 200 of FIG. 5 as described above, as shown in FIG. 5, both ends of the narrow tape 108 and the thin film tape 106 are mounted. It is placed on the surfaces of the mounting tables 218a and 218b, and is pressed by the convex portions 216 and 216 of the trowel 214 which are driven by the air cinder 202 and descend. At this time, the trowel 214 is heated by the heater portion 212, and both end portions of the narrow tape 108 and the thin film tape 106 are bonded. By the way, there are various kinds of narrow tapes 108 provided for the thermocompression bonding apparatus 200, and their widths are also different. For this reason, in the thermocompression bonding apparatus 200, the trowel 218 is replaced with a trowel 214 in which the gap between the protrusions 216 and 216 is matched so as to match the width of the narrow tape 108 to be provided. The gap between the mounts 218a and 218b is also adjusted by moving the mount 218b to the position of the mount 218b '.

As described above, in the thermocompression bonding apparatus 200 shown in FIG. 5, since the position of the mounting table 218b is adjusted and the trowel 214 is replaced according to the width of the narrow tape 108, the center of the pressing force of the trowel 214 is It is on the side of the fixed mounting table 218a. That is, as shown in FIG. 6, the pressing center of the trowel 214 is adjusted so as to substantially coincide with the center line 50 between the mounting tables 218a and 218b 'when the narrow tape 108 having the minimum width is supplied. This is because Therefore, when the wide narrow tape 108 is supplied, the position-adjusted mounting table 218b is pressed as compared with the pressing force P of the convex portion 216 of the trowel 214 that presses the fixed mounting table 218a. The pressing force W of the convex portion 216 of the iron 214 is reduced. Further, thermal strain due to heat is also applied to the iron 214, so that the iron 214 may be inclined like the iron 214 '. When the trowel 214 is tilted, the pressing force applied to one of the side ends of the narrow tape 108 is compared with the pressing force applied to the other side end even if the inclination angle θ is a small angle. As a result, the adhesive force at both end portions of the narrow tape 108 and the thin film tape 106 varies.

When the thin film tape 106 is peeled from the tape-shaped container 100 having such a variation in adhesive force and an electronic component is taken out, vibration or the like may occur in the tape-shaped container 100. It is required to reduce the variation in the adhesive force between the tape 108 and the thin film tape 106 at both end portions as much as possible. For this purpose, it is necessary to strictly maintain the parallelism between the surfaces of the protrusions 216 and 216 of the trowel 214 and the surfaces of the mounting tables 218a and 218b. Conventionally, such adjustment of parallelism has been done manually, but it requires extremely high degree of proficiency, the number of workers is limited, and the replacement work of the iron 214 also takes a long time. It hindered the productivity of heat bonding work with. Therefore, the object of the present invention is to make it possible to easily adjust the parallelism between the convex surface of the iron and the mounting table surface, and to make the adhesive force between the narrow tape and the thin film tape as uniform as possible. It is to provide a crimping device.

[0007]

[Means for Solving the Problems]

 As a result of repeated studies to achieve the above-mentioned object, the inventor of the present invention supports the mounting table constituting the Uke by the elastic force of the spring and forms a gap between the bottom surface of the mounting table and the base surface. The inventors have found that it is possible to automatically adjust the parallelism between the convex surface of the iron and the surface of the mounting table, and arrived at the present invention. That is, according to the present invention, a thin tape is covered on a narrow tape on which a plurality of sealing members such as electronic parts are placed at a predetermined interval in the longitudinal direction, and the thin tape on both sides in the width direction is covered. In a thermocompression bonding device that presses and thermocompresses both widthwise end portions of the narrow tape to seal the sealing member such as an electronic component, a pair of supporting both widthwise end portions of the narrow tape. At least one of them is movable so that each of the mounting table and the mounting table described above is mounted and the gap between the mounting tables can be adjusted according to the width of the narrow tape to be mounted. A pair of bases provided, an elastic support arranged between the base and the mounting table to support the mounting table, and both sides in the width direction of the thin film tape and the narrow tape heated by the heater part. Press the edges and thermo-compress both sides of the thin film tape and narrow tape And trowel the convex portion of the pair is formed, in the thermocompression bonding apparatus characterized by comprising a drive unit for contacting and spacing motion toward the mounting table the trowel.

In the present invention having such a configuration, the elastic support is elastically positioned at a position where the center of the elastic force of the elastic support for elastically mounting the mounting table and the center of the pressing force of the protrusion of the iron for pressing the mounting table substantially coincide with each other. The provision of the support body can cope with the inclination in the longitudinal direction and the width direction of the trowel. In addition, the elastic force of the elastic support can be changed by the elastic force changing means even when the thicknesses of the narrow tape and the thin film tape to be supplied are different.

[0009]

[Action]

 According to the present invention, since the mounting table is elastically urged by the elastic support so that a gap is formed between the bottom surface of the mounting table and the base surface, the trowel has a thermal strain or a displacement of the pressing force center. Even if the iron is tilted under the influence of, the pressing amount of the mounting table by the iron is adjusted according to the tilt of the iron. Therefore, as a result of automatically maintaining the parallelism between the pressing surface of the iron and the mounting table, the adhesive force between the narrow tape and the thin film tape can be made as uniform as possible.

[0010]

【Example】

 The present invention will be described in more detail with reference to the drawings. FIG. 1 is a vertical sectional view showing an embodiment of the present invention. In FIG. 1, the mounting table 14a is elastically urged by a spring 20a that is an elastic support so that a space 30 is formed on the base 22a. Guide portions 15, 15 guided along the guide surfaces 18, 18 of the guide plates 16, 16 are provided on the side surface of the mounting table 14a. The guide portions 15, 15 come into contact with the stoppers 17, 17 formed on the upper ends of the guide plates 16, 16 to position the mounting table 14a. The spring 20a is provided so that the center 30 of the elastic force of the spring 20a and the center 30 of the pressing force of the trowel 10 substantially match. Thus, the center 30 of the elastic force of the spring 20a and the center 30 of the pressing force of the trowel 10 are substantially coincident with each other. Therefore, when the trowel 10 is inclined in the longitudinal direction like the trowel 10 ', the trowel 10 is inclined. The mounting table 14a pressed by the iron 10 'also inclines like the mounting table 14a'. Therefore, even when the trowel 10 is inclined in the longitudinal direction, the mounting table 14a can follow the inclination of the trowel 10.

In this embodiment, the spring 20a is placed on a pressing member 24a whose bottom surface is formed into an inclined surface, and the inclined surface of the pressing member 24a is a tip of a slide member 26a slidably provided in the horizontal direction. It joins with the slope formed on. A bolt 28a is in contact with the other end surface of the slide member 24a. For this reason, the elastic force of the spring 20a is adjusted by rotating the bolt 28a, and the pressing force is adjusted to an appropriate level according to the thickness of the thin tape and the thin film tape placed on the mounting table 24a. You can

Although the base portion 22a shown in FIG. 1 is a fixed base portion, in the thermocompression bonding apparatus of this embodiment, as shown in FIG. 2, the base portion 22b provided in parallel with the base portion 22a moves in the width direction of the device. It is possible. As with the base 22a, the base 22b is also provided with the mounting table 14b elastically urged by the spring 20b. This spring 20b is also placed on a pressing member 24b whose bottom surface is formed into an inclined surface, and the inclined surface of the pressing member 24b is joined to the inclined surface formed at the tip of a slide member 26b slidably provided in the horizontal direction. To do. A bolt 28b (not shown) is in contact with the other end surface of the slide member 24b.

As described above, the mounting tables 14 a and 14 b elastically supported by the springs 20 a and 20 b are the trowels 10 having the convex portions 12 and 12 that come into contact with the upper surfaces of the mounting tables 14 a and 14 b. In the case of inclining in the lateral direction as shown in "", a difference in height difference t occurs between the end faces of the convex portions 12 and 12. Even if such a difference occurs, in the thermocompression bonding apparatus of the present embodiment, As shown in FIG. 2, the springs 20a and 20b contract according to the pressing force received from the convex portions 12 and 12 that press the upper surfaces of the mounting tables 14a and 14b, and the height positions of the upper surfaces of the mounting tables 14a and 14b are different from each other. The distance h is different because the elastic force of the springs 20a and 20b can be adjusted by the bolts 28a and 28b so that the distance h is equal to the height difference t between the protrusions 12 and 12 of the trowel 10. Trowel The parallelism between 10 ″ and the upper surfaces of the mounting tables 14a and 14b can be maintained as much as possible.

According to the thermocompression bonding apparatus of this embodiment shown in FIGS. 1 and 2, even when the trowel 10 is inclined in the longitudinal direction and / or the width direction, when the pedestals 14a and 14b are pressed by the trowel 10. Since the positions of the upper surfaces of the mounting tables 14a and 14b can be changed according to the pressing force of each of the convex portions 12 and 12 of the iron 10, the pressing surface of the convex portions 12 and 12 of the iron 10 and the mounting table can be changed. The upper surfaces of 14a and 14b can be kept parallel to each other. As a result, the adhesive force between the narrow tape and the thin film tape can be made as uniform as possible in the width direction and the length direction of the obtained tape-shaped container.

In the thermocompression bonding apparatus shown in FIGS. 1 and 2 described above, the elastic forces of the springs 20a and 20b are adjusted by using the slope, but as shown in FIG. Alternatively, the bolts 30a and 30b and the nuts 31a and 31b may be used directly. In this case, by inserting a wrench into the wrench insertion holes 32a and 32b provided on the upper portions of the bolts 30a and 30b, rotating the bolts 30a and 30b, and moving the positions of the nuts 31a and 31b upward or downward. The elastic force of the springs 20a and 20b that abut on the lower end surfaces of the nuts 31a and 31b can be adjusted. .

[0016]

[Effect of the device]

 According to the present invention, it is possible to easily maintain the parallelism between the convex end surface of the iron and the end surface of the mounting table, so that the adhesive force between the narrow tape and the thin film tape is as uniform as possible in the width direction and the longitudinal direction. The container can be easily obtained. Further, even if the type of narrow tape is changed, the device can easily cope with it, and the productivity of the tape-shaped container can be improved.

[Brief description of drawings]

FIG. 1 is a partial vertical sectional view showing an embodiment of the present invention.

2 is a partial cross-sectional view of the device shown in FIG.

FIG. 3 is a partial cross-sectional view showing another embodiment.

FIG. 4 is a plan view and a partial vertical cross-sectional view for explaining the tape-shaped container.

FIG. 5 is a partial cross-sectional side view for explaining a conventional thermocompression bonding apparatus.

FIG. 6 is an explanatory diagram for explaining the inclination of a trowel in a conventional thermocompression bonding apparatus.

[Explanation of symbols]

 10 Iron 12 Convex Part 14a, 14b Mounting Table 20a, 20b Spring (Elastic Support) 22a, 22b Base

Claims (3)

[Scope of utility model registration request] 1. A thin tape is covered on a narrow tape on which a plurality of sealing members such as electronic parts are placed at predetermined intervals in the longitudinal direction, and both widthwise end portions of the thin tape are pressed. In a thermocompression bonding device for thermocompression-bonding both ends of a narrow tape in the width direction to seal a sealing member such as an electronic component, the thermocompression bonding device includes a pair of mounting tables that support both ends of the narrow tape in the width direction. A pair of bases, at least one of which is movably provided, so that each of the Uke and the mounting table described above is mounted, and the gap between the mounting tables can be adjusted according to the width of the narrow tape to be mounted. An elastic support body that is disposed between the base portion and the mounting table to support the mounting table; A pair of tapes that thermocompress the both ends of the tape and the narrow tape. A trowel section is formed, thermocompression bonding apparatus characterized by comprising a drive unit for contacting Hanaredo toward the mounting stage the iron. 2. The elastic support is provided at a position where the center of the elastic force of the elastic support that elastically mounts the mounting base and the center of the pressing force of the convex portion of the iron that presses the mounting base substantially coincide with each other. The thermocompression bonding device according to claim 1. 3. The thermocompression bonding apparatus according to claim 1, wherein the elastic force of the elastic support can be changed by the elastic force changing means.