CN115811695A - Ultrasonic tooling for speaker module - Google Patents

Abstract

The invention belongs to the technical field of loudspeaker modules, in particular, an ultrasonic tooling for loudspeaker modules. In view of the background technology, the height of the hydraulic oil cylinder pressing needs to be adjusted according to the size of different loudspeaker modules and it is troublesome to take out the loudspeaker modules by hand. Problem, the following solution is now proposed, including the arm frame, the outer wall of the arm frame is fixedly connected to the housing by bolts, and the inner wall of the housing is slidingly connected to the ultrasonic generator, and the outer wall of the ultrasonic generator is welded with a baffle. When the baffle plate of the present invention is in contact with the limit switch, the transducer will stop moving down, and the height of the transducer’s downward pressure can be adjusted according to the size of the speaker module body, which ensures the normal welding of the speaker module body. After the module body is welded, pressing down the push rod can drive the push plate to move upward, thereby pushing the speaker module body out of the mold, which not only saves manpower, but also helps to improve work efficiency.

Description

Ultrasonic tooling for speaker module

technical field

The invention relates to the technical field of loudspeaker modules, in particular to an ultrasonic tooling for a loudspeaker module.

Background technique

The loudspeaker module is an important acoustic component of portable electronic equipment, which is used to complete the conversion between electrical signals and sound signals, and is an energy conversion device. The module casing of the speaker module generally includes a module upper casing and a module lower casing.

In order to fix the module upper shell and the module lower shell of the speaker module together, the mainstream welding method on the market adopts ultrasonic welding, which uses pressure and ultrasonic vibration to weld the module upper shell and the module lower shell together.

1. However, different styles of speaker modules need to be adapted to different molds, and the height of the hydraulic cylinder also needs to be adjusted. If the transducer is pressed down too low, it will crush the speaker module. If the transducer If it is pressed too high, it will not be able to achieve the pressurization effect or even touch the speaker module.

2. At the same time, the speaker module will generally be stuck inside the mold after welding, and it will be troublesome to take it out with bare hands, which will affect work efficiency.

Contents of the invention

Aiming at the deficiencies of the prior art, the present invention provides an ultrasonic tooling for a loudspeaker module, which overcomes the deficiencies of the prior art through the cooperation of a limit switch, a first screw, a spring, a push plate and a push rod. It effectively solves the problem that the pressing height of the hydraulic cylinder needs to be adjusted according to the size of different speaker modules and that it is troublesome to take out the speaker module by hand.

In order to achieve the above object, the present invention adopts the following technical solutions:

An ultrasonic tooling for a loudspeaker module, comprising an arm frame, the outer wall on one side of the arm frame is fixedly connected with a housing through bolts, and the inner wall of the housing is slidably connected to an ultrasonic generator, and the outer wall on one side of the ultrasonic generator is welded with a stopper A mounting plate is slidably connected to the inner wall of one side of the boom frame, and a limit switch is installed on the inner wall of the mounting plate, and a first screw rod is screwed on the inner wall of the mounting plate;

The bottom of the ultrasonic generator is provided with a mold, and symmetrically distributed springs are installed on the inner wall of the mold, and a push plate is installed on the outer wall of the top of the spring, and a push rod is rotatably connected inside the mold.

Through the above scheme, the limit switch is moved up and down by turning the first screw rod, so that the height between the limit switch and the baffle matches the height of the transducer and the speaker module body, and the baffle and the limit switch When in contact, the transducer will stop moving down, and the height of the transducer’s downward pressure can be adjusted according to the size of different speaker module bodies, which ensures the normal welding of the speaker module body. After the speaker module body is welded, pass Pressing down on the push rod can drive the push plate to move upwards, thereby pushing the speaker module body out of the mold, which not only saves manpower, but also helps to improve work efficiency.

Preferably, the speaker module body is clamped on the inner wall of the mold.

Through the above solution, the speaker module body needs to be clipped into the mold when the speaker module body is welded.

Preferably, a column is installed on the outer wall at the bottom of the boom, and the outer wall at the bottom of the column is fixedly connected with a base by bolts.

With the above solution, the base and the uprights are used to ensure the stability of the device.

Preferably, the outer wall of the bottom of the ultrasonic generator is fixedly connected with a transducer, the outer wall of the top of the baffle is fixedly equipped with a hydraulic cylinder, and the hydraulic cylinder is fixedly connected to the inside of the ultrasonic generator through bolts, between the hydraulic cylinder and the limit switch Connect by wire.

Through the above solution, the ultrasonic generator can drive the transducer to generate ultrasonic vibrations, and at the same time, the height of the ultrasonic generator can be adjusted by stretching the telescopic rod of the hydraulic cylinder.

Preferably, the top outer wall of the base is fixedly connected with the operating table by bolts, and the mold is placed on the top outer wall of the operating table.

Through the above scheme, the console mainly controls the up and down movement of the ultrasonic generator.

Preferably, the outer wall of the top of the console is provided with symmetrically distributed chutes, and the inner wall of the chute is slidably connected with a symmetrically distributed second screw, the outer wall of the top of the second screw is screwed with an internal thread cap, and the outer wall of the top of the console is placed There are clamping plates symmetrically distributed, and the internal thread cap is closely attached to the top outer wall of the clamping plate.

Through the above scheme, after the position of the mold is determined, move the clamping plate, and put the mold between the two clamping plates. Since the second screw rod is arranged inside the clamping plate, rotating the internal thread cap can drive the internal thread cap downward. move, thereby securing the clamping plate between the internally threaded cap and the operating table.

Preferably, the outer walls on both sides of the mold are provided with locking grooves, and the outer wall at one end of the clamping plate is engaged with the inner wall of the locking groove.

Through the above solution, the clamping plate is clamped on the inner wall of the clamping groove to prevent the mold from shaking.

The beneficial effects of the present invention are:

1. The ultrasonic tooling of the speaker module of the present invention drives the limit switch to move up and down by rotating the first screw rod, so that the height between the limit switch and the baffle matches the height of the transducer and the speaker module body , when the baffle is in contact with the limit switch, the transducer will stop moving down, and the height of the transducer’s downward pressure can be adjusted according to the size of different speaker module bodies, ensuring the normal welding of the speaker module body;

2. The ultrasonic tooling of the speaker module of the present invention, after the speaker module body is welded, can drive the push plate to move upward by pressing down the push rod, thereby pushing the speaker module body out of the mold, which not only saves manpower, And it is conducive to improving work efficiency.

Description of drawings

Fig. 1 is the front view of the overall structure of the ultrasonic tooling of a loudspeaker module proposed by the present invention;

Fig. 2 is an enlarged schematic diagram of the structure of part A of the ultrasonic tooling of a loudspeaker module proposed by the present invention;

Fig. 3 is a schematic diagram of the disassembly of the mold internal structure of the ultrasonic tooling of a speaker module proposed by the present invention;

Fig. 4 is a structural schematic diagram of a push rod of an ultrasonic tooling of a loudspeaker module proposed by the present invention;

Fig. 5 is a disassembled schematic view of the console connection structure of the ultrasonic tooling of a loudspeaker module proposed by the present invention.

In the figure: 1 boom, 2 casing, 3 ultrasonic generator, 4 baffle, 5 mounting plate, 6 limit switch, 7 first screw rod, 8 mold, 9 spring, 10 push plate, 11 push rod, 12 Speaker module body, 13 column, 14 base, 15 transducer, 16 console, 17 chute, 18 second screw rod, 19 internal thread cap, 20 clamping plate, 21 clamping groove.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

Referring to Figure 1-2, an ultrasonic tooling for a loudspeaker module includes a boom 1, the outer wall of one side of the boom 1 is fixedly connected with a housing 2 by bolts, and the inner wall of the housing 2 is slidingly connected with an ultrasonic generator 3, and the ultrasonic wave generates The outer wall of one side of the device 3 is welded with a baffle plate 4, the inner wall of one side of the arm frame 1 is slidingly connected with a mounting plate 5, and the inner wall of the mounting plate 5 is installed with a limit switch 6, and the inner wall of the mounting plate 5 is screwed with a first screw rod 7. The first screw rod 7 drives the limit switch 6 to move up and down, so that the height between the limit switch 6 and the baffle plate 4 and the height of the transducer 15 and the loudspeaker module body 12 are suitable, and the baffle plate 4 and the limit switch 6 When touching, the transducer 15 will stop moving down, and the height of the transducer 15 can be adjusted according to the size of the speaker module body 12, which ensures the normal welding of the speaker module body 12.

With reference to Fig. 3, mold 8 is arranged on the bottom of sonotrode 3, and the spring 9 of symmetrical distribution is installed on the inner wall of mold 8, and push plate 10 is installed on the outer wall of spring 9 top, and mold 8 internal rotation is connected with push rod 11, when the loudspeaker mold After the group body 12 is welded, the push plate 10 can be driven upward by pressing down the push rod 11, thereby ejecting the speaker module body 12 out of the mold 8, which not only saves manpower, but also improves work efficiency.

Referring to FIG. 3 , the speaker module body 12 is clamped on the inner wall of the mold 8 , and the speaker module body 12 needs to be clamped into the mold 8 when the speaker module body 12 is welded.

Referring to Fig. 1 , a column 13 is installed on the bottom outer wall of the boom 1, and the bottom outer wall of the column 13 is fixedly connected with a base 14 by bolts, and the base 14 and the column 13 are used to ensure the stability of the device.

Referring to Fig. 1, the outer wall of the bottom of the ultrasonic generator 3 is fixedly connected with a transducer 15 by bolts, and the outer wall of the top of the baffle plate 4 is fixedly equipped with a hydraulic cylinder, which is fixedly connected to the inside of the ultrasonic generator 3 by bolts, and the hydraulic cylinder and the limit The switches 6 are connected by wires, and the ultrasonic generator 3 can drive the transducer 15 to generate ultrasonic vibrations, and the height of the ultrasonic generator 3 can be adjusted by stretching the telescopic rod of the hydraulic cylinder.

Referring to Fig. 1, the base 14 top outer wall is fixedly connected with an operating table 16 by bolts, and the mold 8 is placed on the top outer wall of the operating table 16, and the operating table 16 mainly controls the movement of the sonotrode 3 up and down.

Referring to Fig. 5, the top outer wall of the console 16 is provided with symmetrically distributed chute 17, and the inner wall of the chute 17 is slidably connected with a symmetrically distributed second screw rod 18, and the top outer wall of the second screw rod 18 is screwed with an internal thread cap 19, The top outer wall of the console 16 is placed with clamping plates 20 symmetrically distributed, and the internal thread cap 19 is close to the top outer wall of the clamping plate 20. After the position of the mold 8 is determined, the clamping plate 20 is moved to place the mold 8 on two Between the clamping plates 20, since the second screw rod 18 is arranged inside the clamping plate 20, rotating the internal thread cap 19 can drive the internal thread cap 19 to move downward, thereby fixing the clamping plate 20 to the internal thread cap 19 and the operating table 16 between.

Referring to Fig. 3 , the outer walls of both sides of the mold 8 are provided with draw-in grooves 21, and the outer wall at one end of the clamp plate 20 is clamped on the inner wall of the draw-in groove 21, and the clamp plate 20 is clamped on the inner wall of the draw-in groove 21 to prevent the mold 8 from shaking .

First, select a suitable mold 8 according to the size of the speaker module body 12 and drive the mounting plate 5 to move up and down by rotating the first screw mandrel 7, so that the height between the limit switch 6 and the baffle plate 4 and the distance between the transducer 15 and the speaker mold The height of the group body 12 is matched, and then the mold 8 is placed on the operating table 16, the clamping plate 20 is moved, the mold 8 is pressed between the two clamping plates 20, and the internal thread cap 19 is rotated to fix the clamping plate 20 on the Between the internal thread cap 19 and the console 16, place the speaker module body 12 to be welded on the inner wall of the mold 8, and control the hydraulic cylinder inside the housing 2 by opening the control button on the console 16, the hydraulic cylinder will drive the ultrasonic wave The transducer 15 at the bottom of the generator 3 moves downward and squeezes the speaker module body 12. At this time, the baffle 4 will touch the limit switch 6, because the limit switch 6 will control the hydraulic cylinder to stop and continue to move the transducer down. 15. Under the ultrasonic vibration of the transducer 15, the welding of the speaker module body 12 is completed, and finally the push plate 10 is pushed upward by pressing down the push rod 11, so that the speaker module body 12 can be ejected out of the mold 8.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replacement or change of the inventive concepts thereof shall fall within the protection scope of the present invention.

Claims (7)

1. The ultrasonic tool for the loudspeaker module comprises an arm support (1) and is characterized in that the outer wall of one side of the arm support (1) is fixedly connected with a shell (2) through a bolt, the inner wall of the shell (2) is connected with an ultrasonic generator (3) in a sliding mode, a baffle (4) is welded on the outer wall of one side of the ultrasonic generator (3), the inner wall of one side of the arm support (1) is connected with a mounting plate (5) in a sliding mode, a limit switch (6) is mounted on the inner wall of the mounting plate (5), and a first lead screw (7) is connected to the inner wall of the mounting plate (5) in a threaded mode;

supersonic generator (3) bottom is provided with mould (8), and mould (8) inner wall installs spring (9) of symmetric distribution, push pedal (10) are installed to spring (9) top outer wall, and mould (8) inside rotation is connected with push rod (11).

2. The ultrasonic tool for the loudspeaker module according to claim 1, wherein the loudspeaker module body (12) is clamped on the inner wall of the die (8).

3. The ultrasonic tool for the loudspeaker module according to claim 1, wherein a column (13) is mounted on the outer wall of the bottom of the arm support (1), and the outer wall of the bottom of the column (13) is fixedly connected with a base (14) through a bolt.

4. The ultrasonic tool for the loudspeaker module according to claim 1, wherein the outer wall of the bottom of the ultrasonic generator (3) is fixedly connected with the transducer (15) through a bolt, the outer wall of the top of the baffle (4) is fixedly provided with a hydraulic oil cylinder, the hydraulic oil cylinder is fixedly connected inside the ultrasonic generator (3) through a bolt, and the hydraulic oil cylinder is connected with the limit switch (6) through a wire.

5. The ultrasonic tool for the loudspeaker module according to claim 3, wherein the top outer wall of the base (14) is fixedly connected with an operating table (16) through bolts, and the mold (8) is placed on the top outer wall of the operating table (16).

6. The ultrasonic tool of the loudspeaker module according to claim 5, wherein the outer wall of the top of the operating platform (16) is provided with symmetrically distributed sliding grooves (17), the inner wall of each sliding groove (17) is connected with symmetrically distributed second screw rods (18) in a sliding manner, the outer wall of the top of each second screw rod (18) is connected with an internal thread cap (19) in a threaded manner, symmetrically distributed clamping plates (20) are placed on the outer wall of the top of the operating platform (16), and the internal thread caps (19) are tightly attached to the outer wall of the top of each clamping plate (20).

7. The ultrasonic tool for the loudspeaker module according to claim 1, wherein clamping grooves (21) are formed in the outer walls of two sides of the die (8), and the outer wall of one end of each clamping plate (20) is clamped on the inner wall of each clamping groove (21).

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