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и Patent application (43) February 18, 1959 3 Patent applicant address Osaka Prefecture Kadoma
city Oza Kadoma 1006 Name (582) Representative Matsushita Electric Industrial Co., Ltd. Shoji
Matsushita 4 agent ? 571 address Osaka Kadumi List of the attached documents of the city
Ozato Kamon 1006 5 attached documents 1 Specification ? Japan Patent Office ? Japanese
Patent Application Laid-Open Publication No. 51-948140 (1976) 8.19 Japanese Patent
Application No. 59-20537 [Phase] Application date Shogo (197 (9) d, /? No. 64-1; 55512 и That
is, the center pole 1 is provided at the center of the upper surface. Loudspeaker manufacturing
apparatus 3 Detailed description of the invention The present invention is intended to be reliably
performed on the dyeing of a speaker having an external magnet type field unit. In general, a
speaker provided with an external magnet type field unit is configured as shown in FIG. A ringshaped ferrite magnet 4 is disposed on the plate 3, a ring-shaped upper plate 6 is disposed on
the ferrite magnet 4, and a junction is bonded with an adhesive to form a field portion 6. Part 6
frame 7 'kJi! f Join and adhesively bond the rRI # portion of the diaphragm 9 together with the
frame 70 outer periphery fiBK gasket 8. The voice coil 10 is coupled to the central lower surface
of the diaphragm 9, and the intermediate portion of the voice coil 1Q is held by the damper 11
so that the voice coil 1o is correctly positioned in the magnetic gap 12 of the field unit 6. The
upper end is covered with the dust Yap 13'Jj and connected to a turn terminal 15 provided on a
part of the lead wire 14t frame 7 of the voice coil 10 to make a finished product. Speakers of
such a configuration are conventionally 5911 "Q'1: Mn? %-"1. 44. In other words, in the speaker,
if the dimensions of the magnetic gap 12 are not correctly configured, the voice coil 1Q that
performs piston movement in particular is tf. The coil 10'e was broken or an abnormal sound
was generated, and the desired characteristics were obtained. ??????? #The center of
each component that composes the magnetic part 6 needs to be made to coincide with each
other properly, and it is considered that it can not be neglected without relying on 91 manual
work that must be assembled using gears, pegages etc. . In addition, as another reason, the
speaker had 40 different in diameter of the voice coil 10, in other words, it could not be
automated because it was manufactured in various types. In the past, there have been cases in
which automation was attempted as a solution to the problem sounds, but it contained defects
such as poor versatility and increased size and complexity.
The present invention eliminates the above-mentioned conventional drawbacks. The following is
a description of the single brushing with reference to FIGS. 2 to 10 of the drawings. First, what is
shown in FIGS. 2 to 4 is a pallet 1e. This pallet 16 has two casings 18 ░ 19 formed of a magnetic
material such as iron at the center portion of a weighing table 1712 made of a nonmagnetic
material such as aluminum partially exposed on the upper surface of the table 1T. The mounting
20 is made of nonmagnetic material and disposed between the two casings 1B and 19 so as to
isolate the two casings 18 and 19t- Lever 21,. Nine with 2.2! A gun 23 is housed slidably, and a
nonmagnetic cover 24 is placed on the opening of the casing 18 so that the lever 21 projects
outward from the side wall of the cover 24 and the casing 19 It is configured to Further,
positioning holes 25 and 26 are provided in the mounting table 17. As shown in FIG. 3 at 9 years
of age, when the pallet 160 functions as shown in FIG. 3, when the lever 22 is pushed to
completely store the magnet 23 in the casing 18, the magnetic flux of the magnet 23 constitutes
a closed magnetic path by the casing 18. Therefore, no magnetizing force is generated on the
surface of the mounting table 17 without leaking to the outside. Next, as shown in FIG. 4, when
the lever 21 is pushed in and the magnet 23 is positioned at the butting portion 2 or 25 of the
two casings 1B and 19, the nonmagnetic ring 20 exists between the casings 18.19. Because the
magnetic flux leaks to the outside, it becomes K. A magnetic force is generated on the surface of
the mounting table 1T. And (7) The 1c palette 16 is made to slide on the magnet 23t by
operating L // <? 21, 211, and is turned on and off in an analytical manner. The present
invention is characterized by using this pallet 16. Next, the outline '1 of the configuration of the
speaker manufacturing apparatus according to the present invention will be described with
reference to FIG. The pallets 16 described above are intermittently fed between the stages a and
b, and are transported one by one to the recovery conveyor at one stage, and the pallet 16
flowing on the recovery conveyor is transported again by the weir stage and n. The circulation III
is carried out on a conveyor and intermittently transported. The six base 7 'shown in FIG. 6 is a
perspective view of the b station. The pallet 16 is positioned by a positioning mechanism 27 that
moves up and down using the positioning holes 25.2ei. In this state, the center pole 1 carried by
the feed conveyor 28 is equipped with a nine-play play) 3 ft bicua, and the center pole 1 is held
on the pallet 16 by the gear 30 of the # 29 machine.
At the same time, push the lever 21 and magnet; i! The plate a is set to the 3f ON state, and the
plate 16 is held on the pallet 16 magnetically with localization IK. The plate 8 can be supplied to
the center of the pallet 16 by adjusting in advance the center line of the chuck 30 of the
positioning mechanism 11270, the center 2 in 2 and the positioning mechanism 11 270 and the
lifting mechanism 29 in advance. FIG. 7 is an IIWJ diagram in a state where the pallet 16 is
played) 8 is supplied. Thereafter, until the speakers of the h-stay VW7T: 4 product are taken out,
the magne of the pallet 145, the to 23 is ON: 11! 11-Continue. From this, when the speaker parts
are supplied and assembled at a later stage, it is possible to always secure 7 / ter position ttt of
the speaker if positioning of the pallet 16 is performed at EndPage: 2. In the C stage, the b station
lii [(2) positions the pallet 16 by the positioning mechanism, and the gear 31 is inserted into the
center pole 1 by the pickup mechanism. FIG. 8 is an 11 view of the state in which the gap gauge
31 is supplied. The adhesive 32 is applied on the plate 3 in the d stage process. e) Position the
pallet 16 with the same positioning mechanism as the station b, a, b, a station, and supply the b,
k, q, "**" C ferrite magnet "gnet 4". In the f-stage exposure, the adhesive 33 t-is applied onto the
ferrite magnet 4. This situation is shown in FIG. q In the stake case, position positioning is
performed by a positioning mechanism like P1 16 (i) positioning is performed, and a frame 7 in
which the upper play tsst * is in contact with the bottom surface by a pickup mechanism (a, fit to
gap gauge 81). FIG. 10 shows this state. At five stages W /, the lever 22 is pushed in to make the
magnet 23 t-OFF, and the semi-finished speaker is taken out. Afterward, dry the adhesive 32, 33,
the diaphragm 9 ░ voice coil 10. Assembly of vibration system parts such as damper 11 Carried
by a group of stones. As described above, the speaker manufacturing apparatus of the present
invention ensures that the center of the speaker is secured by the pallet if the precision 1iL of the
diameter of the center ball of the plate is constant, and the center accuracy is secured in the
subsequent assembly process. It will be possible. Moreover, according to the above configuration,
even if the type of the speaker changes, as long as the chuck of the pickup mechanism that
supplies the plate is changed, it is possible to assemble anything, and it can be made versatile.
In addition, this pallet is simple in construction and cost 9 Equipment cost? As well as being able
to reduce the amount, it is possible to increase the industrial value of l because it can be used as
a bias in speaker assembly.
4. Brief description of the drawings Fig. 1 is a cross-sectional view of a general speaker. Fig. 3 is a
perspective view showing an embodiment of a speaker manufacturing apparatus according to the
present invention, Fig. 3 , F4rgJ is the same as a fragmentary view showing the operation of the
document, the figure 6 is a schematic layout view of the whole of the speaker manufacturing
apparatus of the present invention, the figure 6 is a perspective view of a part of the apparatus,
The figure is an assembled-son view of the speaker by the same device. ???????????
?????????????? 4 и el и magnet 6 + 11 116 1 upper plate, 6 и и и и и и и и и и и и и и и и и и и и
и и и и и и и и и и и и и и и и и и и и diaphragm, 10----voice coil, 16 spring и ... - carbonochloridate toilet, 2a иииии
magnetic y Start * 27 "... positioning mechanism, 29 ..... pick-up mechanism, 32, 38 ... adhesive.
Name of agent Attorney Nakao et al. 1 person Fig. 1 Fig. 2 Fig. 3 End page: 3 Fig. 3 Fig. 5 Fig. 6
Fig. 6 Fig. 7 Fig. 6 ) Agent Address Osaka Prefecture Kadoma City Oji Kadoma 1006 EndPage: ?
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description, jps5194814
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