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DESCRIPTION JPS55832

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DESCRIPTION JPS55832
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 and FIG. 2 are longitudinal sectional views
showing a conventional assembly, FIG. 3 is a plan view showing an assembly sequence of one
embodiment of the present invention, and FIG. Is a perspective view showing In the figure, 1 is a
pole piece, 2 is a ring-shaped magnet, 3 is a plate, 8 and 12 are positioning members, and 9, 10,
13 and 14 are abutment portions. The same reference numerals in the drawings denote the same
or corresponding parts.
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an assembly
apparatus for adhesively bonding speaker magnetic circuit components. Conventionally, when
bonding and assembling a speaker magnetic circuit component, as shown in FIG. 1, (1) of the
pole piece (2)-. The inner diameter portion of the ring-shaped magnet (2) is brought into contact
with the projection for positioning, and the axial center of the ring-shaped magnet is aligned with
the axial center of the pole piece and adhered. Further, as shown in FIG. 2, a positioning jig
(toward) was inserted and positioned in a gap between one pole piece (around the center of the
crucible and the ring-shaped magnet port and the plate-) to carry out assembly. For this reason,
in the former assembly, it is necessary to provide a positioning projection (2) on the pole piece
■, special processing is required, and machining is troublesome, and in the latter, the positioning
jig (2) must be inserted by hand. There is a drawback that the assembly is complicated. It is an
object of the present invention to provide an assembly apparatus for a speaker magnetic circuit
in which such conventional drawbacks are improved. In the following, one embodiment of the
present invention will be described with reference to FIG. 3. In FIG. 3, (2) is a pole piece, (2) is a
transport device for transporting the pole piece, and ■ is an adhesive on the flat portion of the
pole piece. C: A coating agent for applying a bonding agent, ■: ring-like magnet placed on the
adhesive coated surface of the above-mentioned pole piece, (2): a positioning member for
positioning the pole piece and ring-shaped magnet As shown in an enlarged manner, it has an
abutment portion with the ring-shaped magnet and an abutment portion operation with the pole
12-04-2019
1
piece. O is an adhesive application device for applying an adhesive to a ring-shaped magnet, @ a
plate placed on the surface of the ring-shaped magnet on which the adhesive is applied, a is a
positioning member for positioning the plate, which corresponds to the plate And 5) an abutment
portion and an abutting portion with the pole piece. Next, the assembly of the speaker magnetic
circuit configured as described above will be described. Adhesive application device (? The pole
piece rice with the adhesive applied to the flat plate portion from lK is transported by the
transport device (2), and the ring-shaped magnet weir is placed on the pole piece. The pole piece
on which the ring-shaped magnet is mounted is conveyed to the positioning member (2), and the
positioning member travels like a gap ", and the contact (3) to part #-is a flat plate portion of the
pole piece (2) The pole piece and the ring-shaped magnet, which are positioned in such a manner
that the axial centers of the Sippole piece and the ring-shaped magnet are aligned at the same
time, the outer periphery and the outer periphery of the ring-shaped magnet (2) are held
simultaneously from both sides The adhesive is applied onto the ring-shaped magnet 1 by the
adhesive application device shaft, and then the plate 3 is placed.
The pole piece u + Vi on which the plate is placed, the abutment shaft provided with the
positioning member OK in the same manner as positioning of the pole piece and ring-shaped
magnet, @ represents the pole piece At the same time, the axis of the pole piece and the axis of
the plate are aligned and positioned. Then, the pole piece, the ring-shaped magnet and the plate
are adhered and fixed to complete the assembly of the speaker magnetic path. As described
above, according to the present invention, when the component mounting amount of the speaker
a circuit is advanced, the outer member and the positioning member are advanced to abut
against the outer part of the component to make the axial center coincide with each other. Low
cost without requiring extra processing. Since the assembly can be made and positioned on the
transport device, one assembly can be automated and the assembly can be performed easily and
inexpensively.
12-04-2019
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