CN219087314U - Automatic pressing acoustic one-to-four testing jig - Google Patents

Abstract

The utility model relates to the technical field of earphone production, in particular to an automatic pressing acoustic one-to-four testing jig, which comprises a bottom plate, a first positioning mechanism and a second positioning mechanism which are arranged on the bottom plate, and a first pressing mechanism and a second pressing mechanism which are arranged on the bottom plate; the first positioning mechanism and the second positioning mechanism are both provided with artificial ears, each of the first positioning mechanism and the second positioning mechanism comprises a positioning bracket arranged on the bottom plate, a positioning seat arranged on the positioning bracket, a positioning jig arranged on the positioning seat, and a plurality of elastic components connected between the positioning jig and the positioning seat. The elastic component can automatically jack up the positioning jig after the test is finished, so that the earphone is separated from the connector, blanking is convenient, the operation efficiency is improved, the labor intensity is reduced, and the earphone can be matched with an automatic feeding and blanking mechanism. In addition, the utility model can realize the simultaneous test of four earphones, improves the test efficiency and further reduces the cost.

Description

Automatic pressing acoustic one-to-four testing jig

Technical Field

The utility model relates to the technical field of acoustics, in particular to an automatic pressing acoustic one-driving-four testing jig.

Background

The earphone is a pair of conversion units which can receive the electric signals sent by the media player or the receiver, and convert the electric signals into sound waves which can be heard by human ears by utilizing the sound production units close to the ears. The earphone can avoid affecting bystanders, and also can isolate sounds of surrounding environment, so that the surrounding environment is prevented from affecting the earphone. Conventional headphones are generally applied to products such as mobile phones, walkman, portable game and digital audio players, and are connected to the products through wires, and TWS headphones for transmitting audio signals wirelessly have been increasingly popular in recent years with rapid development of technology. In order to ensure the quality of the earphone during the production process of the earphone, the earphone must be tested after the earphone is produced. When testing TWS earphone, need place the earphone on the tool of test usefulness, and in order to simulate human ear wearing effect, need pack into the connector of simulating human ear with the whole sound production mouth of earphone, then test equipment tests the earphone again, and in order to ensure the compactness that connector and earphone are connected, general connector adopts elastic material, rely on elasticity to paste closely the earphone in order to realize sealed effect, in order to ensure elastic effect, this elasticity is great relatively, consequently, need exert certain dynamics when putting into and taking out the earphone, traditional operation is generally through the manual work, this kind of mode efficiency is lower, intensity of labour is big, and cause the location inaccuracy easily. For example, the electroacoustic test fixture for headphones disclosed in CN209710321U, the accommodating groove and the limiting part are made of elastic materials, so as to provide elastic force to clamp and seal the headphones to be tested, and additional force is required to be applied to make the headphones enter or leave the fixture when the headphones are taken and placed.

Disclosure of Invention

In order to solve the problems, the utility model provides the automatic pressing acoustic one-driving-four testing jig which can simultaneously test four earphones, and can automatically jack up the earphones after the test is finished, so that the blanking is convenient.

The utility model is realized by the following scheme:

the first pressing mechanism is arranged on one side of the first pressing mechanism, far away from the artificial mouth, and the second pressing mechanism is arranged on one side of the first pressing mechanism, far away from the artificial mouth; the first positioning mechanism and the second positioning mechanism are both provided with artificial ears; the first positioning mechanism and the second positioning mechanism comprise positioning brackets arranged on the bottom plate, positioning seats arranged on the positioning brackets, positioning jigs arranged on the positioning seats, and a plurality of elastic components connected between the positioning jigs and the positioning seats, and the manual mouth is connected with the positioning seats. The positioning jig is provided with the positioning groove for placing the earphones, the positioning groove is provided with two, namely, each positioning jig can be used for placing two earphones, namely, two positioning mechanisms can be used for simultaneously placing 4 earphones, so that 4 earphones can be tested once, and the testing efficiency is greatly improved.

Further, the automatic pressing acoustic one-to-four testing jig further comprises a manual nozzle arranged on the bottom plate, and the manual nozzle is arranged between the first positioning mechanism and the second positioning mechanism. The artificial mouth is connected with the test equipment, can play specific sound, and the artificial mouth sets up between first positioning mechanism and second positioning mechanism, can guarantee that the earphone of placing on first positioning mechanism and second positioning mechanism can both receive the sound that the artificial mouth sent.

Further, the manual mouth is connected with the bottom plate through the fixing seat, and a plurality of mounting holes are formed in the position, corresponding to the fixing seat, of the bottom plate. The fixing seat is fixedly connected with the bottom plate through the fastening piece, and the installation position of the artificial mouth can be flexibly adjusted due to the fact that a plurality of installation holes are preset.

Further, the positioning seat is provided with a connector for connecting the earphone, and the connector is connected with the artificial ear at the same time so as to receive sound emitted by the earphone. The connector is provided with a connector for the sound producing port of the earphone to be inserted, and the connector can be made of soft elastic materials, so that the whole packaging of the sound producing port of the earphone can be realized, and sound produced by the earphone can be better received by the artificial ear.

Further, the elastic component comprises a screw used for connecting the positioning jig and the positioning seat and a spring sleeved on the screw, one end of the spring is in contact with the positioning seat, and the other end of the spring is in contact with the positioning jig.

Further, the first pressing mechanism and the second pressing mechanism comprise pressing bases arranged on the bottom plate, two rotary pressing cylinders arranged on the pressing bases, a pressing seat connected with the output end of the rotary pressing cylinders, and a pressing piece arranged at the bottom of the pressing seat. The compressing part can be matched with the positioning jig to compress and fix the earphone, so that the earphone is ensured not to displace in the testing process.

Further, a guiding and positioning rod is arranged at the bottom of the pressing seat, and the positioning jig is provided with a positioning hole matched with the guiding and positioning rod. In the downward moving process of the pressing seat, the positioning rod is inserted into the positioning hole, so that the pressing piece can be ensured to accurately move to the upper side of the earphone to press the earphone, and meanwhile, the stability of the downward pressing process is ensured.

Furthermore, the positioning seat and the positioning support are rotatably connected, so that the angle of the positioning seat can be adjusted, and the positioning seat can be fixed by using a fastener after being adjusted to a required angle, so that the positioning seat is convenient for adapting to earphones with different specifications.

Further, the bottom plate is provided with a connecting groove for connecting the positioning support, and one side of the connecting groove is provided with a size scale. The connecting groove has certain length, and the locating support can set up in suitable position according to the demand to the earphone of different specifications is convenient for adapt to.

Further, a waist-shaped hole is formed in the bottom of the connecting groove, and the waist-shaped hole can be connected with a fastener, so that the positioning support can be conveniently fixed at a required position.

Compared with the prior art, the utility model has the following beneficial effects:

the elastic component is arranged between the positioning jig and the positioning seat, and under the action of the elastic component, the positioning jig can be automatically jacked up after the test is finished, so that the earphone is separated from the connector, the blanking is convenient, the working efficiency is improved, the labor intensity is reduced, and the earphone can be matched with an automatic feeding and blanking mechanism, and the cost is reduced. In addition, the utility model is provided with the two positioning mechanisms and the two pressing mechanisms, so that the simultaneous test of four earphones can be realized, the test efficiency is improved, and the cost is further reduced.

Drawings

Fig. 1 is a schematic structural diagram of an automatic pressing acoustic one-to-four test fixture provided by the utility model.

Fig. 2 is an enlarged view of a portion a in fig. 1.

FIG. 3 is a schematic view of another embodiment of the present utility model.

Fig. 4 is a schematic view of a first positioning mechanism and a first depressing mechanism portion of the present utility model. The figure comprises the following components:

the base plate 1, the mounting hole 11, the connecting groove 12, the waist-shaped hole 13, the first positioning mechanism 2, the positioning bracket 21, the positioning seat 22, the positioning jig 23, the elastic component 24, the screw 24a, the spring 24b, the connector 25, the positioning hole 26, the second positioning mechanism 3, the first pressing mechanism 4, the pressing base 41, the rotary pressing cylinder 42, the pressing seat 43, the pressing piece 44, the guiding positioning rod 45, the second pressing mechanism 5, the artificial ear 6, the artificial mouth 7 and the fixing seat 71.

Detailed Description

In order to facilitate an understanding of the present utility model by those skilled in the art, the present utility model will be described in further detail with reference to specific examples and drawings.

Referring to fig. 1 to 4, the automatic pressing acoustic one-driving-four testing jig provided by the utility model comprises a bottom plate 1, a first positioning mechanism 2 and a second positioning mechanism 3 which are arranged on the bottom plate 1 and used for placing products, a first pressing mechanism 4 which is arranged on the bottom plate 1 and used for pressing products, and a second pressing mechanism 5 which is arranged on the bottom plate 1 and used for pressing products, wherein the first pressing mechanism 4 is arranged on one side of the first pressing mechanism 4 far away from the artificial mouth 7, and the second pressing mechanism 5 is arranged on one side of the first pressing mechanism 4 far away from the artificial mouth 7. The first positioning mechanism 2 and the second positioning mechanism 3 are both provided with artificial ears 6.

The first positioning mechanism 2 and the second positioning mechanism 3 comprise a positioning bracket 21 arranged on the bottom plate 1, a positioning seat 22 arranged on the positioning bracket 21, a positioning jig 23 arranged on the positioning seat 22, and a plurality of elastic components 24 connected between the positioning jig 23 and the positioning seat 22, and the manual mouth 7 is connected with the positioning seat 22. In this embodiment, two positioning brackets 21 are provided, and a positioning seat 22 is connected between the two positioning brackets 21. The positioning jig 23 is provided with the positioning groove for placing the earphone, and the positioning groove is provided with two, namely, each positioning jig 23 can be used for placing two earphones, namely, two positioning mechanisms can be used for simultaneously placing 4 earphones, so that 4 earphones can be tested once simultaneously, and the testing efficiency is greatly improved.

The automatic pressing acoustic one-to-four testing jig further comprises an artificial mouth 7 arranged on the bottom plate 1, and the artificial mouth 7 is arranged between the first positioning mechanism 2 and the second positioning mechanism 3. The artificial mouth 7 is connected with the test equipment, can play specific sound, and the artificial mouth 7 sets up between first positioning mechanism 2 and second positioning mechanism 3, can guarantee that the earphone of placing on first positioning mechanism 2 and second positioning mechanism 3 can both receive the sound that artificial mouth 7 sent.

The manual mouth 7 is connected with the bottom plate 1 through a fixed seat 71, and a plurality of mounting holes 11 are formed in the position, corresponding to the fixed seat 71, of the bottom plate 1. The fixing seat 71 is fixedly connected with the bottom plate 1 through a fastener, and the installation position of the artificial mouth 7 can be flexibly adjusted due to the fact that a plurality of installation holes 11 are preset.

The positioning seat 22 is provided with a connector 25 for connecting with the earphone, and the connector 25 is simultaneously connected with the artificial ear 6 so as to receive the sound emitted by the earphone. The connector 25 is provided with a connection port for inserting a sound producing port of the earphone, and the connection port can be made of soft elastic materials, so that the whole packaging of the sound producing port of the earphone can be realized, and sound produced by the earphone can be better received by the artificial ear 6. The position of the positioning jig 23 corresponding to the connecting port is provided with a through hole, so that the sounding part of the earphone can conveniently pass through.

The elastic component 24 includes a screw 24a for connecting the positioning jig 23 and the positioning seat 22, and a spring 24b sleeved on the screw 24a, wherein one end of the spring 24b contacts with the positioning seat 22, and the other end contacts with the positioning jig 23. The lower end of the screw 24a is fixedly connected with the positioning seat 22, and the spring 24b pushes the positioning jig 23 to the highest position in the initial state, so that a certain distance is reserved between the positioning jig 23 and the positioning seat 22. In the testing process, after the earphone is placed in the positioning jig 23, the pressing cylinder 42 is rotated to drive the pressing seat 43 to press the earphone, and the positioning jig 23 can move downwards, so that the earphone is inserted into the connection port of the connector 25. After the rotary pressing cylinder 42 is reset, the spring 24b pushes up the positioning jig 23 again, so that the earphone is separated from the connector 25.

The first pressing mechanism 4 and the second pressing mechanism 5 each comprise a pressing base 41 arranged on the bottom plate 1, two rotary pressing cylinders 42 arranged on the pressing base 41, a pressing seat 43 connected with the output end of the rotary pressing cylinders 42, and a pressing piece 44 arranged at the bottom of the pressing seat 43. The pressing piece 44 can be matched with the positioning jig 23 to press and fix the earphone, so that the earphone cannot be displaced in the testing process. The two rotary pressing cylinders 42 can correspond to the two earphones on the positioning jig 23, so that the two earphones can be pressed simultaneously.

The bottom of the pressing seat 43 is provided with a guiding and positioning rod 45, and the positioning jig 23 is provided with a positioning hole 26 matched with the guiding and positioning rod 45. In the process of downward movement of the pressing seat 43, the positioning rod is inserted into the positioning hole 26, so that the pressing piece 44 can be ensured to accurately move to the upper side of the earphone to press the earphone, and meanwhile, the stability of the pressing process is ensured. When the rotary pressing cylinder 42 drives the pressing seat 43 to rotate above the positioning jig 23, the position of the guide positioning rod 45 corresponds to the positioning hole 26, and the guide positioning rod 45 is inserted into the positioning hole 26 along with the downward movement of the pressing seat 43 driven by the rotary pressing cylinder 42, so that the stability of the pressing seat 43 in the moving process is ensured.

The positioning seat 22 and the positioning support 21 are rotatably connected, so that the angle of the positioning seat 22 can be adjusted, and in specific implementation, the connection position of the positioning seat 22 and the positioning support 21 is provided with angle scales, and the positioning seat can be fixed by using fasteners after being adjusted to a required angle according to requirements, so that the positioning seat is convenient for adapting to earphones of different specifications.

The base plate 1 is provided with a connecting groove 12 for connecting the positioning bracket 21, and one side of the connecting groove 12 is provided with a size scale. The connecting groove 12 has a certain length, and the positioning bracket 21 can be arranged at a proper position according to the requirement by matching with the size scale arranged beside the connecting groove 12 so as to be convenient for adapting to the earphones with different specifications.

The bottom of the connecting groove 12 is provided with a waist-shaped hole 13, and the waist-shaped hole can be connected with a fastener, so that the positioning bracket 21 can be conveniently fixed at a required position.

When in use, the utility model needs to be matched with the shielding box and arranged in the shielding box so as to isolate the influence of external sound. In a specific working process, under the initial state of the rotary pressing cylinder 42, the pressing seat 43 is in a lifted state and is not located above the positioning jig 23, after the earphone to be tested is placed in the positioning groove of the positioning jig 23, the rotary pressing cylinder 42 drives the pressing seat 43 to rotate above the positioning jig 23 and press down, at the moment, the positioning jig 23 is pushed to move downwards for a certain distance, and the sounding position of the earphone is inserted into the connector 25, so that the pressing positioning of the earphone is realized. And then the test equipment or instrument tests various acoustic indexes of the earphone. After the test is finished, the rotary pressing cylinder 42 is reset, the positioning jig 23 is jacked up under the action of the elastic component 24, so that the earphone is separated from the connecting port, and then the tested earphone is taken out to complete a test flow. During specific operation, the earphone can be matched with an automatic feeding and discharging mechanism, such as a manipulator, and can be directly taken away by the manipulator after being jacked up, so that the action of separating the earphone from the connector 25 is not needed, and the efficiency is higher.

The elastic component 24 is arranged between the positioning jig 23 and the positioning seat 22, and under the action of the elastic component 24, the positioning jig 23 can be automatically jacked up after the test is finished, so that the earphone is separated from the connector 25, the blanking is convenient, the operation efficiency is improved, the labor intensity is reduced, and the earphone can be matched with an automatic feeding and blanking mechanism, and the cost is reduced. In addition, the utility model is provided with the two positioning mechanisms and the two pressing mechanisms, so that the simultaneous test of four earphones can be realized, the test efficiency is improved, and the cost is further reduced.

In the description of the present utility model, it should be understood that the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings, and is merely for convenience in describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "connected," "fixed" and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

While the utility model has been described in conjunction with the specific embodiments above, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, all such alternatives, modifications, and variations are included within the scope of the appended claims.

Claims (10)

1. The automatic pressing acoustic one-to-four testing jig is characterized by comprising a bottom plate, a first positioning mechanism and a second positioning mechanism which are arranged on the bottom plate and used for placing products, a first pressing mechanism which is arranged on the bottom plate and used for pressing the products, and a second pressing mechanism which is arranged on the bottom plate and used for pressing the products, wherein the first pressing mechanism is arranged on one side, far away from a manual mouth, of the first pressing mechanism, and the second pressing mechanism is arranged on one side, far away from the manual mouth, of the first pressing mechanism; the first positioning mechanism and the second positioning mechanism are both provided with artificial ears; the first positioning mechanism and the second positioning mechanism comprise positioning brackets arranged on the bottom plate, positioning seats arranged on the positioning brackets, positioning jigs arranged on the positioning seats, and a plurality of elastic components connected between the positioning jigs and the positioning seats, and the manual mouth is connected with the positioning seats.

2. The automatic push-down acoustic one-to-four test fixture of claim 1, further comprising a manual nozzle disposed on the base plate, the manual nozzle disposed between the first positioning mechanism and the second positioning mechanism.

3. The automatic pressing acoustic one-to-four testing jig according to claim 2, wherein the manual nozzle is connected with the bottom plate through a fixing seat, and a plurality of mounting holes are formed in the bottom plate corresponding to the fixing seat.

4. The automatic push-down acoustic one-to-four test fixture of claim 1, wherein the positioning seat is provided with a connector for connecting headphones.

5. The automatic pressing acoustic one-to-four testing jig according to claim 1, wherein the elastic component comprises a screw for connecting the positioning jig and the positioning seat, and a spring sleeved on the screw, one end of the spring is in contact with the positioning seat, and the other end of the spring is in contact with the positioning jig.

6. The automatic pressing acoustic one-to-four testing jig according to claim 1, wherein the first pressing mechanism and the second pressing mechanism each comprise a pressing base arranged on the bottom plate, two rotary pressing cylinders arranged on the pressing base, a pressing seat connected with an output end of the rotary pressing cylinders, and a pressing piece arranged at the bottom of the pressing seat.

7. The automatic pressing acoustic one-to-four testing jig according to claim 6, wherein a guiding positioning rod is arranged at the bottom of the pressing seat, and the positioning jig is provided with a positioning hole matched with the guiding positioning rod.

8. The automated depressed acoustic one-to-four test fixture of claim 1, wherein said positioning seat and said positioning bracket are rotatably coupled.

9. The automatic pressing acoustic one-to-four test fixture according to claim 1, wherein the bottom plate is provided with a connecting groove for connecting the positioning bracket, and one side of the connecting groove is provided with a size scale.

10. The automatic push-down acoustic one-to-four test fixture of claim 9, wherein a waist-shaped hole is formed in the bottom of the connecting groove.

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