CN216775037U - Rotary testing device for automatic loudspeaker testing machine - Google Patents

Abstract

The utility model relates to a rotary testing device for an automatic testing machine of a loudspeaker, which has the technical scheme that: the method comprises the following steps: the test device comprises a base, a test board, a first driving mechanism, a first test component, a second driving mechanism for driving the first test component to reciprocate and a third driving mechanism for driving the second test component to reciprocate; the first driving mechanism and the third driving mechanism are both arranged on the base; the output end of the first driving mechanism is fixedly connected with the test board; the second driving mechanism is arranged on the first driving mechanism; the output end of the second driving mechanism is fixedly connected with the first testing component; the output end of the third driving mechanism is fixedly connected with the second testing component; this application has when testing the speaker in a position, and the speaker in all the other positions can carry out the material loading, adjust terminal direction and unloading operation, is convenient for improve the effect to the efficiency of software testing of speaker.

Description

Rotary testing device for automatic loudspeaker testing machine

Technical Field

The utility model relates to the technical field of automatic loudspeaker testing machines, in particular to a rotary testing device for an automatic loudspeaker testing machine.

Background

After the micro speaker is assembled, it needs to be tested manually for audio parameters, such as frequency response curve, impedance curve, distortion, etc., to determine whether the overall performance of the micro speaker meets the requirements.

The test mode of each producer of speaker is got a speaker by the operator from tray or assembly line and is placed on the testboard now, then press miniature speaker on one hand, take test signal line on one hand and take on miniature speaker terminal, take off again after the test is accomplished and put back the tray with the certified products in or on the assembly line, the defective products frame is put alone to the defective products, just can test next speaker after accomplishing the test to a speaker according to this test mode, it is very time-consuming and laborious, influence the efficiency of software testing of speaker.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a rotary testing device for an automatic testing machine of a loudspeaker, which has the functional advantages that when the loudspeaker in one direction is tested, the loudspeakers in other directions can be subjected to loading, terminal direction adjustment and unloading operations, and the testing efficiency of the loudspeaker is improved conveniently.

The technical purpose of the utility model is realized by the following technical scheme:

a rotational testing apparatus for a loudspeaker automatic testing machine, comprising: the test device comprises a base, a test board for placing a loudspeaker, a first driving mechanism for driving the test board to rotate, a first test component for being electrically connected with a terminal of the loudspeaker, a second test component for acquiring an audio signal emitted by the loudspeaker, a second driving mechanism for driving the first test component to reciprocate and a third driving mechanism for driving the second test component to reciprocate; the first driving mechanism and the third driving mechanism are both arranged on the base; the output end of the first driving mechanism is fixedly connected with the test board; the second driving mechanism is arranged on the first driving mechanism; the output end of the second driving mechanism is fixedly connected with the first testing component; and the output end of the third driving mechanism is fixedly connected with the second testing component.

Optionally, the first testing component includes: the testing device comprises a first connecting plate, at least one testing seat and at least one buffer piece correspondingly abutted to the at least one testing seat; the first connecting plate is fixedly connected with the output end of the second driving mechanism; the buffer piece is arranged on the test seat; the test seat is arranged on the first connecting plate in a sliding mode; and a probe for electrically connecting with a terminal of the loudspeaker is arranged on the test seat.

Optionally, the buffer includes: a fixed rod and an elastic pad; the fixed rod is arranged on the first connecting plate; one end of the elastic pad is fixedly connected with the fixing rod, and the other end of the elastic pad is abutted to the test seat.

Optionally, the second driving mechanism comprises: the fixing shaft, the fixing frame and the first cylinder are arranged on the fixing shaft; one end of the fixed shaft penetrates through the test board and then is arranged on the first driving mechanism, and the other end of the fixed shaft is fixedly connected with the fixed frame; the first air cylinder is arranged on the fixed frame; the output end of the first air cylinder is fixedly connected with the first testing component.

Optionally, a first slide rail is arranged on the fixed frame; a first sliding block is arranged on the first sliding rail in a sliding manner; the first sliding block is fixedly connected with the first testing component.

Optionally, the first driving mechanism comprises: the device comprises a driving motor, a driving wheel, a driven wheel, a conveying belt and a steering gear box; the driving motor and the steering gear box are both arranged on the base; the driving wheel is fixedly connected with the output end of the driving motor; the driven wheel is fixedly connected with an input shaft of the steering gear box; one end of the conveying belt is abutted with the driving wheel, and the other end of the conveying belt is abutted with the driven wheel; the fixed shaft is arranged on the steering gear box; an output shaft of the steering gear box is fixedly connected with the test board, and the output shaft of the steering gear box is further sleeved on the fixed shaft.

Optionally, the second testing component includes: the second connecting plate and at least one microphone are used for collecting audio signals emitted by the loudspeaker; the microphone is arranged on the second connecting plate; and the second connecting plate is fixedly connected with the output end of the third driving mechanism.

Optionally, the second testing component further includes: a guide rod and a guide sleeve; the guide rod is fixedly connected with the second connecting plate; the guide sleeve is sleeved on the guide rod; the guide sleeve is arranged on the base.

Optionally, the test bench includes: a plate body and at least one carrier; the carrier includes: the loudspeaker comprises a lantern ring, a sleeve and a carrier plate for supporting the loudspeaker; the sleeve is rotationally arranged on the plate body; the support plate is fixedly connected with the sleeve; the inner peripheral surface of the lantern ring is fixedly connected with the outer peripheral surface of the sleeve.

In conclusion, the utility model has the following beneficial effects: the test bench is driven to rotate through the first driving mechanism, the loudspeaker which is convenient to complete one process is rotated and conveyed to the next process, the loudspeaker in the other directions can be subjected to loading, terminal direction adjustment and blanking operation when the first test assembly and the second test assembly test the loudspeaker in one direction, and the test efficiency of the loudspeaker is convenient to improve.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the first test assembly and the second drive mechanism of the present invention;

fig. 3 is a schematic structural view of a second test assembly and a third driving mechanism in the present invention.

In the figure: 1. a base; 2. a test bench; 21. a plate body; 22. a carrier; 221. a collar; 222. A sleeve; 223. a carrier plate; 3. a first drive mechanism; 31. a drive motor; 32. a driving wheel; 33. a driven wheel; 34. a conveyor belt; 35. a steering gear box; 4. a first test assembly; 41. a first connecting plate; 42. a test seat; 43. a buffer member; 431. fixing the rod; 432. an elastic pad; 44. a probe; 5. a second test assembly; 51. a second connecting plate; 52. a microphone; 53. a guide bar; 54. a guide sleeve; 6. a second drive mechanism; 61. a fixed mount; 611. a first slide rail; 612. a first slider; 62. a first cylinder; 7. a third drive mechanism.

Detailed Description

In order to make the objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. Several embodiments of the utility model are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

The utility model is described in detail below with reference to the figures and examples.

The present invention provides a rotation test device for a speaker automatic test machine, as shown in fig. 1, comprising: the testing device comprises a base, a testing platform 2 for placing a loudspeaker, a first driving mechanism 3 for driving the testing platform 2 to rotate, a first testing component 4 for being electrically connected with a terminal of the loudspeaker, a second testing component 5 for collecting an audio signal emitted by the loudspeaker, a second driving mechanism 6 for driving the first testing component 4 to reciprocate and a third driving mechanism 7 for driving the second testing component 5 to reciprocate; the first driving mechanism 3 and the third driving mechanism 7 are both arranged on the base; the output end of the first driving mechanism 3 is fixedly connected with the test board 2; the second driving mechanism 6 is arranged on the first driving mechanism 3; the output end of the second driving mechanism 6 is fixedly connected with the first testing component 4; the output end of the third driving mechanism 7 is fixedly connected with the second testing component 5; the loudspeaker in this application is miniature loudspeaker.

In practical application, can be provided with different stations in testboard 2's different position usually, if carry out the material loading station of material loading to the speaker, adjust the station to the terminal direction of speaker, and carry out the unloading station of unloading to the speaker after the test, it is rotatory to drive testboard 2 through first actuating mechanism 3, be convenient for rotate the speaker that will accomplish a process and deliver for next process, and when first test assembly 4 and second test assembly 5 test the speaker in a position, the speaker in all the other positions can carry out the material loading, adjust terminal direction and unloading operation, be convenient for improve the efficiency of software testing to the speaker.

Specifically, the first testing component 4 and the second driving mechanism 6 are both located above the testing platform 2, the second testing component 5 and the third driving mechanism 7 are both located below the testing platform 2, the second driving mechanism 6 drives the first testing component 4 to reciprocate so that the first testing component 4 is close to or away from the testing platform 2, the third driving mechanism 7 drives the first testing component 4 to reciprocate so that the second testing component 5 is close to or away from the testing platform 2, under the condition that the first testing component 4 and the second testing component 5 are both close to the testing platform 2, the first testing component 4 is electrically connected with a terminal of a loudspeaker, the second testing component 5 collects an audio signal sent by the loudspeaker, in practical application, the audio signal testing device further comprises an audio analyzer, the second testing component 5 is electrically connected with an input end of the audio analyzer, the second testing component converts the collected audio signal into audio data and transmits the audio data to the audio analyzer, the testing of the speaker is completed.

Further, as shown in fig. 2, the first testing component 4 includes: the testing device comprises a first connecting plate 41, at least one testing seat 42 and at least one buffer 43 correspondingly abutted against the at least one testing seat 42; the first connecting plate 41 is fixedly connected with the output end of the second driving mechanism 6; the buffer 43 is arranged on the test seat 42; the test seat 42 is slidably arranged on the first connecting plate 41; the test socket 42 is provided with probes 44 for electrical connection with the terminals of the speaker.

Specifically, the number of test sockets 42 and the number of buffers 43 are the same as the number of speakers in one position on the test bed 2; under the actual test condition, in the process that the second driving mechanism 6 drives the first connecting plate 41 to descend, the test seat 42 also descends, after the test seat 42 contacts the test bench 2, the test seat 42 stops descending, the first connecting plate 41 descends continuously, and the buffer member 43 is driven to descend continuously, so that the buffer member 43 is close to the test seat 42 to abut against the test seat 42, the contact reliability between the probe 44 on the test seat 42 and the loudspeaker terminal is ensured, and the buffer function can be achieved.

Further, as shown in fig. 2, the buffer 43 includes: a fixing rod 431 and an elastic pad 432; the fixing lever is provided on the first connection plate 41; one end of the elastic pad 432 is fixedly connected with the fixing rod 431, and the other end is abutted against the test socket 42. Specifically, the elastic pad 432 is made of silicone or rubber, and the elastic pad 432 mainly plays a role of buffering.

Further, as shown in fig. 1 and 2, the second drive mechanism 6 includes: a fixed shaft, a fixed frame 61 and a first cylinder 62; one end of the fixed shaft penetrates through the test board 2 and then is arranged on the first driving mechanism 3, and the other end of the fixed shaft is fixedly connected with the fixed frame 61; the first air cylinder 62 is arranged on the fixed frame 61; the output end of the first cylinder 62 is fixedly connected with the first connecting plate 41.

Specifically, first cylinder 62 sets up vertically, it goes up and down to drive first connecting plate 41 through first cylinder 62, and then drive bolster 43, the lift of test seat 42 and probe 44, under the condition that needs are tested the speaker, first cylinder 62 drive probe 44 descends so that probe 44 and speaker terminal butt, after the test is accomplished, first cylinder 62 drive probe 44 rises so that probe 44 keeps away from the speaker, so that testboard 2 is rotatory, and then the speaker after the test is accomplished is carried for next station, as the material station, in order to carry out the unloading to the speaker after the test is accomplished.

Further, as shown in fig. 2, a first slide rail 611 is disposed on the fixing frame 61; a first sliding block 612 is slidably arranged on the first sliding rail 611; the first slider 612 is fixedly connected to the first connecting plate 41.

Specifically, the first slide rail 611 is vertically arranged, the first slider 612 slides along the length direction of the first slide rail 611, and through the arrangement of the first slide rail 611 and the first slider 612, the first cylinder 62 can be prevented from shaking in the process of driving the first connection plate 41 to ascend and descend, so that the stability of the first connection plate 41 in the ascending and descending process is enhanced.

Further, as shown in fig. 1, the first drive mechanism 3 includes: a driving motor 31, a driving wheel 32, a driven wheel 33, a transmission belt 34 and a steering gear box 35; the driving motor 31 and the steering gear box 35 are both arranged on the base 1; the driving wheel 32 is fixedly connected with the output end of the driving motor 31; the driven wheel 33 is fixedly connected with an input shaft of a steering gear box 35; one end of the conveyor belt 34 is abutted with the driving wheel 32, and the other end is abutted with the driven wheel 33; the fixed shaft is arranged on the steering gear box 35; an output shaft of the steering gear box 35 is fixedly connected with the test bench 2, and the output shaft of the steering gear box 35 is further sleeved on the fixed shaft; neither the fixed shaft nor the output shaft of the steering gearbox 35 are shown in the figures.

Specifically, under the condition of driving the test board 2 to rotate, the output shaft of the driving motor 31 rotates to drive the driving wheel 32 to rotate, the driving wheel 32 drives the conveyor belt 34 and the driven wheel 33 to rotate, the driven wheel 33 drives the input shaft of the steering gear box 35 to rotate, so that the output shaft of the steering gear box 35 rotates, the output shaft of the steering gear box 35 drives the test board 2 to rotate, at this time, because the fixed shaft is arranged on the steering gear box 35, and the output shaft of the steering gear box 35 is sleeved on the fixed shaft, the fixed shaft does not rotate, thereby ensuring that the second driving mechanism 6 does not rotate under the condition of rotating the test board 2.

Further, as shown in fig. 3, the second test assembly 5 includes: a second connecting plate 51 and at least one microphone 52 for collecting audio signals emitted by said speaker; the microphone 52 is arranged on the second connecting plate 51; the third driving mechanism 7 is a second cylinder; the second connecting plate 51 is fixedly connected to the output end of the second cylinder (i.e., the output end of the third driving mechanism 7).

In particular, the number of microphones 52 is the same as the number of loudspeakers in one position on the test bench 2, so that the second test assembly 5 can test a plurality of loudspeakers at the same time; the second connecting plate 51 is driven to ascend and descend by the third driving mechanism 7, the second connecting plate 51 drives the microphone 52 to ascend and descend, under the condition that the loudspeaker is tested, the third driving mechanism 7 drives the microphone 52 to ascend so as to be close to the loudspeaker and collect audio signals sent by the loudspeaker, the microphone 52 is electrically connected with the input end of the audio tester, and the collected audio signals are converted into audio data to be transmitted to the audio analyzer.

Further, as shown in fig. 3, the second testing component 5 further includes: a guide rod 53 and a guide sleeve 54; the guide rod 53 is fixedly connected with the second connecting plate 51; the guide sleeve 54 is sleeved on the guide rod 53; the guide sleeve 54 is arranged on the base 1.

Specifically, through the setting of guide bar 53 and uide bushing 54, played the guide effect to the lift of second connecting plate 51, can prevent that second connecting plate 51 from producing at the in-process of lift and rocking, improved the stability of second connecting plate 51 at the lift in-process.

Further, as shown in fig. 1 and 3, the test station 2 includes: a plate 21 and at least one carrier 22; the carrier 22 includes: a collar 221, a sleeve 222 and a carrier plate 223 for holding the loudspeaker; the sleeve 222 is rotatably arranged on the plate body 21; the carrier plate 223 is fixedly connected with the sleeve 222; the inner circumferential surface of the collar 221 is fixedly connected to the outer circumferential surface of the sleeve 222.

Specifically, in the present application, a plurality of carriers 22 are rotatably disposed on a plate body 21, the plurality of carriers 22 are equally divided into four groups and disposed on a test table 2, and the four groups of carriers 22 are respectively located at four different positions, the four different positions respectively correspond to a loading station, an adjusting station, a testing station and a blanking station, and a first testing component 4 and a second testing component 5 in the present application are both located at the testing station; the first driving mechanism 3 drives the test bench 2 to rotate, the carrier 22 positioned at the feeding station on the test bench 2 can be conveyed to the adjusting station, the carrier 22 positioned at the adjusting station is conveyed to the testing station, the carrier 22 positioned at the testing station is conveyed to the blanking station, and the feeding, adjusting, testing and blanking processes can be simultaneously carried out on four loudspeakers in different directions; through the setting of lantern ring 221 and sleeve pipe, can drive the sleeve pipe through rotating lantern ring 221 and rotate, the sleeve pipe drives the speaker rotation on support plate 223 and the support plate 223 to be convenient for adjust the terminal direction of speaker to same direction, so that the terminal that the probe 44 on the test socket 42 aims at the speaker realizes that the probe 44 is connected with the electricity of speaker terminal, improves efficiency of software testing.

According to the rotary testing device for the automatic loudspeaker testing machine, the first driving mechanism 3 drives the testing platform 2 to rotate, so that the loudspeaker completing one process can be conveniently rotated and conveyed to the next process, and when the first testing component 4 and the second testing component 5 test the loudspeakers in one direction, the loudspeakers in other directions can be subjected to loading, terminal direction adjustment and unloading operations, so that the testing efficiency of the loudspeakers is improved.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims (9)

1. A rotary test device for a loudspeaker automatic test machine, comprising: the test device comprises a base, a test board for placing a loudspeaker, a first driving mechanism for driving the test board to rotate, a first test component for being electrically connected with a terminal of the loudspeaker, a second test component for acquiring an audio signal sent by the loudspeaker, a second driving mechanism for driving the first test component to reciprocate and a third driving mechanism for driving the second test component to reciprocate; the first driving mechanism and the third driving mechanism are both arranged on the base; the output end of the first driving mechanism is fixedly connected with the test board; the second driving mechanism is arranged on the first driving mechanism; the output end of the second driving mechanism is fixedly connected with the first testing component; and the output end of the third driving mechanism is fixedly connected with the second testing component.

2. The rotary test apparatus for a loudspeaker automatic testing machine as defined in claim 1, wherein the first test component comprises: the testing device comprises a first connecting plate, at least one testing seat and at least one buffer piece correspondingly abutted to the at least one testing seat; the first connecting plate is fixedly connected with the output end of the second driving mechanism; the buffer piece is arranged on the test seat; the test seat is arranged on the first connecting plate in a sliding mode; and a probe for electrically connecting with a terminal of the loudspeaker is arranged on the test seat.

3. The rotary testing device for an automatic testing machine of speakers according to claim 2, wherein the buffer includes: a fixed rod and an elastic pad; the fixed rod is arranged on the first connecting plate; one end of the elastic pad is fixedly connected with the fixing rod, and the other end of the elastic pad is abutted to the test seat.

4. The rotary test apparatus for an automatic speaker testing machine according to claim 1, wherein the second drive mechanism comprises: the fixing shaft, the fixing frame and the first cylinder are arranged on the fixing shaft; one end of the fixed shaft penetrates through the test board and then is arranged on the first driving mechanism, and the other end of the fixed shaft is fixedly connected with the fixed frame; the first air cylinder is arranged on the fixed frame; the output end of the first air cylinder is fixedly connected with the first testing component.

5. The rotary testing device for the automatic testing machine of the loudspeaker as claimed in claim 4, wherein the fixing frame is provided with a first slide rail; a first sliding block is arranged on the first sliding rail in a sliding manner; the first sliding block is fixedly connected with the first testing component.

6. The rotary test apparatus for an automatic speaker testing machine according to claim 4, wherein the first drive mechanism includes: the device comprises a driving motor, a driving wheel, a driven wheel, a conveying belt and a steering gear box; the driving motor and the steering gear box are both arranged on the base; the driving wheel is fixedly connected with the output end of the driving motor; the driven wheel is fixedly connected with an input shaft of the steering gear box; one end of the conveying belt is abutted with the driving wheel, and the other end of the conveying belt is abutted with the driven wheel; the fixed shaft is arranged on the steering gear box; an output shaft of the steering gear box is fixedly connected with the test board, and the output shaft of the steering gear box is further sleeved on the fixed shaft.

7. The rotary test apparatus for a loudspeaker automatic testing machine as defined in claim 1, wherein the second test component comprises: the second connecting plate and at least one microphone are used for collecting audio signals emitted by the loudspeaker; the microphone is arranged on the second connecting plate; and the second connecting plate is fixedly connected with the output end of the third driving mechanism.

8. The rotary test apparatus for a loudspeaker automatic testing machine as defined in claim 7, wherein the second test component further comprises: a guide rod and a guide sleeve; the guide rod is fixedly connected with the second connecting plate; the guide sleeve is sleeved on the guide rod; the guide sleeve is arranged on the base.

9. The rotary test apparatus for an automatic speaker testing machine according to any one of claims 1 to 8, wherein the test stand comprises: a plate body and at least one carrier; the carrier includes: the loudspeaker comprises a lantern ring, a sleeve and a carrier plate for supporting the loudspeaker; the sleeve is rotationally arranged on the plate body; the support plate is fixedly connected with the sleeve; the inner peripheral surface of the lantern ring is fixedly connected with the outer peripheral surface of the sleeve.

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