Bonding method for a plurality of components, bonding method for container and lid member, and ultrasonic welding apparatus
a technology of components and ultrasonic welding, applied in the direction of soldering apparatus, manufacturing tools, auxillary welding devices, etc., can solve the problem of complex ultrasonic vibrator machining shap
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first embodiment
[0036] FIGS. 1 to 6 are views for explaining the first preferred embodiment to which the present invention is applied.
[0037]FIG. 1 shows a container main body 1 for storing a to-be-stored object, and a lid member 2.
[0038] The container main body 1 is made of a high-impact strength polystyrene resin (HIPS) having a melting point of 80° C. to 90° C.
[0039] The lid member 2 is made of a high-impact strength polystyrene resin having a melting point of 80° C. to 90° C.
[0040] The container main body 1 has a storing portion 1A and opening 1B. A brim 1C to which the lid member 2 is to be bonded is formed around the opening 1B.
[0041] The lid member 2 has a lid 2A which is to be placed over the opening 1B of the container main body 1 in order to close the opening 1B, and a brim 2B which overlaps the brim 1C of the container main body 1.
[0042] The brim 2B of the lid member 2 has a width of 5.0 mm and a thickness of 1.5 mm.
[0043] The brim 1C of the container main body 1 has a width of 5.0...
second embodiment
[0088] FIGS. 7 to 9 are views for explaining the second embodiment of the present invention.
[0089] According to this embodiment, a plurality of to-be-bonded members 20 and 22 are overlaid on each other and are subjected to ultrasonic welding.
[0090] This embodiment shows a case in which other examples of the press members of the holding means 6, 8, 10, and 12 shown in the first embodiment are used.
[0091] Referring to FIG. 7, reference numeral 24 denotes a work holding means of this embodiment; 24A and 24B, Y-shaped arm members attached to an attaching member 4E of an ultrasonic welding means 4 identical to that shown in FIG. 2.
[0092] The lower ends of the arm members 24A and 24B form L-shaped angles 24a and 24b.
[0093] Work press rollers 24c and 24d are attached to the angles 24a and 24b, respectively.
[0094] An ultrasonic vibrator 4a moves vertically between the angles 24a and 24b.
[0095] In FIG. 8, the works 20 and 22 are placed on a work holding base (not shown). The work hold...
third embodiment
[0100]FIG. 10 is a view showing the third embodiment of the present invention.
[0101] Assume that, as shown in FIG. 10, a lid member 2 is to be placed over a container opening 1B, and that respective brims 1C and 2B are to be bonded, while being held by pressure with holding means, from a molten state caused by ultrasonic oscillation of an ultrasonic vibrator via holding operation of the holding means. In the above embodiment, ultrasonic welding and bonding progress from a welding start position P1 along the moving locus of the vibrator. In the vicinity of the end point position, of that portion of the work where the brim of the container and the brim of the lid member are overlaid, the length of the portion which is vibrated by the vibrator decreases gradually.
[0102] More specifically, as the work is bonded at the welding start point P1, the vibration is limited there. The rear portion of the work to where the vibrator moves backward is also bonded, and accordingly vibration is al...
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Abstract
Description
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