Device for detecting flatness of shell of electroacoustic device

Abstract

The utility model discloses an electroacoustic device housing flatness detection apparatus, comprising a workbench, a bottom plate of the workbench is fixedly connected with a plurality of pillars, bottom plates of the plurality of pillars are jointly and fixedly connected with a pedestal, an outer wall of the workbench is movably provided with two moving rods in a penetrating manner, a clamping mechanism is arranged between the two moving rods, and the clamping mechanism is fixedly connected with the pedestal. And a fixing mechanism is arranged on the upper side of each moving rod. According to the utility model, the two moving rods drive the corresponding mounting blocks to move in opposite directions, so that the effect of preliminarily fixing the shell is achieved; and the lifting plate drives the pressing plate to move downwards, so that the fixing effect on the shell is better, and the detection accuracy is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of detection devices, in particular to a device for detecting the flatness of an electroacoustic device housing. Background Art

[0002] Electroacoustic devices are important acoustic components of contemporary portable electronic devices and are widely used in portable devices such as mobile phones, computers, tablets, and smart speakers. Electroacoustic devices are used to complete the conversion of electrical signals and acoustic signals. They are energy conversion devices that include a bracket system, a vibration system, and a magnetic circuit system. The vibration system includes a diaphragm, a center sticker, a voice coil, a lead, a skeleton, and a spring. The main purpose of the spring is to connect the skeleton and the bracket structure, which plays a role in increasing the damping of the vibration system and balancing the vibration and swing of the voice coil. The main function of the lead is to connect the voice coil with the external circuit system, playing an important role in electrical connection.

[0003] During the production process of electroacoustic devices, the flatness of the shell needs to be tested. However, the existing testing device has a poor fixing effect on the shell and cannot effectively fix the shell, causing it to shake easily during the testing process, thereby affecting the accuracy of the shell flatness detection. Utility Model Content

[0004] The utility model aims to solve the problems in the background technology and proposes a device for detecting the flatness of an electroacoustic device housing.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A device for detecting the flatness of an electroacoustic device housing comprises a workbench, a bottom plate of the workbench is fixedly connected to a plurality of pillars, the bottom plates of the plurality of pillars are commonly fixedly connected to a base, an outer wall of the workbench is movably penetrated by two moving rods, a clamping mechanism is provided between the two moving rods, and a fixing mechanism is provided on the upper side of each moving rod;

[0007] The clamping mechanism comprises a motor 1 fixedly connected to the bottom of the workbench, a worm is fixedly connected to the end of the output shaft of the motor 1, a worm is meshed with a worm wheel on the outer wall of the worm, a bidirectional threaded rod is fixedly passed through the center of the worm wheel, and the ends of the bidirectional threaded rod are respectively movably sleeved with two mounting plates fixedly connected to the bottom of the workbench;

[0008] Each of the fixing mechanisms includes a mounting block fixedly connected to the upper side of the moving rod, the outer wall of the mounting block is fixedly connected to motor 2, the end of the output shaft of motor 2 is fixedly connected to a driving shaft that movably penetrates the outer wall of the mounting block, the end of the driving shaft is fixedly connected to bevel gear 1, the outer wall of bevel gear 1 is meshed with bevel gear 2, the center of bevel gear 2 is fixedly penetrated by a threaded rod movably inserted in the inner wall of the mounting block, the outer wall of the threaded rod is threadedly sleeved with a lifting plate that movably penetrates the outer wall of the mounting block, and the end of the lifting plate is fixedly connected to a pressing plate.

[0009] Preferably, a rubber pad is fixedly connected to the bottom of each pressing plate.

[0010] Preferably, a controller is installed on the outer wall of the workbench.

[0011] Preferably, the outer wall of the workbench is provided with sliding holes matching the two moving rods.

[0012] Preferably, the outer wall of each mounting block is provided with a sliding groove matching the lifting plate.

[0013] Preferably, the outer wall of each of the moving rods is provided with a threaded hole matching the bidirectional threaded rod.

[0014] Preferably, the outer wall of each lifting plate is provided with a threaded hole 2 matching the threaded rod.

[0015] Compared with the existing technology, the advantages of the electroacoustic device housing flatness detection device are:

[0016] 1. The two moving rods drive the corresponding mounting blocks to move toward each other, thereby achieving the effect of preliminary fixing of the shell; the lifting plate drives the pressing plate to move downward, so that the fixing effect of the shell is better and the accuracy of the detection is guaranteed.

[0017] 2. The bottom of each pressing plate is fixedly connected with a rubber pad, which effectively prevents the pressing plate from causing damage to the shell;

[0018] In summary, the utility model achieves the effect of initially fixing the outer shell by driving the corresponding mounting blocks to move toward each other through two movable rods; and drives the pressure plate to move downward through the lifting plate, so that the fixing effect of the outer shell is better and the accuracy of the detection is guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a front view of a device for detecting the flatness of an electroacoustic device housing proposed by the utility model;

[0020] Figure 2 This is a side view of a device for detecting the flatness of an electroacoustic device housing proposed by the utility model;

[0021] Figure 3 The utility model provides a schematic structural diagram of a clamping mechanism in a device for detecting the flatness of an electroacoustic device housing.

[0022] In the figure: 1 workbench, 2 pillars, 3 base, 4 moving rod, 5 motor 1, 6 worm, 7 worm wheel, 8 bidirectional threaded rod, 9 mounting plate, 10 mounting block, 11 motor 2, 12 driving shaft, 13 bevel gear 1, 14 bevel gear 2, 15 threaded rod, 16 lifting plate, 17 pressure plate, 18 controller. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Reference Figure 1-Figure 3 , a device for detecting the flatness of the shell of an electroacoustic device, comprising a workbench 1, the outer wall of the workbench 1 is provided with sliding holes matching two moving rods 4, the bottom plate of the workbench 1 is fixedly connected with a plurality of pillars 2, the bottom plates of the plurality of pillars 2 are fixedly connected with a base 3, the outer wall of the workbench 1 is movably penetrated by two moving rods 4, a clamping mechanism is arranged between the two moving rods 4, the clamping mechanism comprises a motor 1 5 fixedly connected to the bottom of the workbench 1, the end of the output shaft of the motor 1 5 is fixedly connected with a worm 6, the outer wall of the worm 6 is meshed with a worm wheel 7, a bidirectional threaded rod 8 is fixedly penetrated by the center of the worm wheel 7, the ends of the bidirectional threaded rod 8 are respectively movably sleeved with two mounting plates 9 fixedly connected to the bottom of the workbench 1, a controller 18 is installed on the outer wall of the workbench 1, when in use, the motor 1 5 is started by the controller 18 to drive the worm 6 to rotate, and the worm wheel 7 is used to drive the bidirectional threaded rod 8 to rotate, so that the two moving rods 4 drive the corresponding mounting blocks 10 to move toward each other, thereby achieving the effect of initially fixing the shell.

[0025] A fixing mechanism is provided on the upper side of each moving rod 4, and a threaded hole 1 matching the bidirectional threaded rod 8 is provided on the outer wall of each moving rod 4. Each fixing mechanism includes a mounting block 10 fixedly connected to the upper side of the moving rod 4, and a slide groove matching the lifting plate 16 is provided on the outer wall of each mounting block 10. A motor 2 11 is fixedly connected to the outer wall of the mounting block 10, and a driving shaft 12 movably penetrating the outer wall of the mounting block 10 is fixedly connected to the outer wall of the motor 2 11. A bevel gear 13 is fixedly connected to the end of the output shaft of the motor 2 11, and a bevel gear 2 14 is meshed with the outer wall of the bevel gear 13. The center of the bevel gear 2 14 is fixedly penetrated by a threaded rod 15 movably inserted in the inner wall of the mounting block 10, and the outer wall of the threaded rod 15 is threadedly sleeved with a lifting plate 16 movably penetrating the outer wall of the mounting block 10. The outer wall of each lifting plate 16 is provided with a threaded hole 2 matching the threaded rod 15, and a pressing plate 17 is fixedly connected to the end of the lifting plate 16. A rubber pad is fixedly connected to the bottom of each pressing plate 17 to prevent damage to the outer shell.

[0026] After the shell is initially fixed, the drive shaft 12 is driven to rotate by the motor 2 11, and the threaded rod 15 is rotated through the cooperation of the bevel gear 13 and the bevel gear 2 14, so that the lifting plate 16 drives the pressure plate 17 to move downward, so that the fixing effect of the shell is better and the accuracy of the detection is guaranteed.

[0027] It is further explained that the above-mentioned fixed connection should be understood in a broad sense unless otherwise clearly specified and limited. For example, it can be welding, gluing, or one-piece molding, etc., which are conventional means well known to those skilled in the art.

[0028] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A device for detecting the flatness of an electroacoustic device housing, comprising a workbench (1), characterized in that: The bottom plate of the workbench (1) is fixedly connected to a plurality of pillars (2), the bottom plates of the plurality of pillars (2) are commonly fixedly connected to a base (3), the outer wall of the workbench (1) is movably penetrated by two moving rods (4), a clamping mechanism is provided between the two moving rods (4), and a fixing mechanism is provided on the upper side of each moving rod (4); The clamping mechanism comprises a motor (5) fixedly connected to the bottom of the workbench (1), a worm (6) fixedly connected to the end of the output shaft of the motor (5), a worm wheel (7) meshing with the outer wall of the worm (6), a bidirectional threaded rod (8) fixedly passing through the center of the worm wheel (7), and two mounting plates (9) fixedly connected to the bottom of the workbench (1) are movably sleeved on the ends of the bidirectional threaded rod (8); Each of the fixing mechanisms comprises a mounting block (10) fixedly connected to the upper side of the moving rod (4); the outer wall of the mounting block (10) is fixedly connected to a second motor (11); the end of the output shaft of the second motor (11) is fixedly connected to a driving shaft (12) that movably passes through the outer wall of the mounting block (10); the end of the driving shaft (12) is fixedly connected to a first bevel gear (13); the outer wall of the first bevel gear (13) is meshed with a second bevel gear (14); the center of the second bevel gear (14) is fixedly penetrated by a threaded rod (15) that is movably inserted into the inner wall of the mounting block (10); the outer wall of the threaded rod (15) is threadedly sleeved with a lifting plate (16) that movably passes through the outer wall of the mounting block (10); the end of the lifting plate (16) is fixedly connected to a pressing plate (17).

2. The electroacoustic device housing flatness detection device according to claim 1, characterized in that: The bottom of each pressing plate (17) is fixedly connected with a rubber pad.

3. The device for detecting the flatness of an electroacoustic device housing according to claim 1, characterized in that: A controller (18) is installed on the outer wall of the workbench (1).

4. The electroacoustic device housing flatness detection device according to claim 1, characterized in that: The outer wall of the workbench (1) is provided with sliding holes matching the two moving rods (4).

5. The device for detecting the flatness of an electroacoustic device housing according to claim 1, characterized in that: The outer wall of each mounting block (10) is provided with a sliding groove matching the lifting plate (16).

6. The device for detecting the flatness of an electroacoustic device housing according to claim 1, characterized in that: The outer wall of each of the moving rods (4) is provided with a threaded hole that matches the bidirectional threaded rod (8).

7. The device for detecting the flatness of an electroacoustic device housing according to claim 1, characterized in that: The outer wall of each lifting plate (16) is provided with two threaded holes matching the threaded rod (15).

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