Automation equipment for testing sound equipment

Abstract

The utility model discloses automatic equipment for testing sound equipment, which relates to the field of sound equipment production and comprises a conveying device, testing devices and a manipulator, and each testing device comprises a shielding box, a motion platform for conveying products, a pressing mechanism for pressing the products and an acoustic detection mechanism for detecting the products. A closed space is arranged in the shielding box, the moving platform is arranged in the center of the closed space, the closed space is sequentially provided with a feeding station and a detection station in the conveying direction of the moving platform, and the pressing mechanism and the acoustic detection mechanism are both arranged in the closed space. The two acoustic detection mechanisms are arranged on the two sides of the detection station respectively, the pressing mechanism is arranged over the detection station, and the motion platform comprises a jig. The mechanical arm automatically puts the sound box into the shielding box, and the multiple acoustic detection mechanisms collect sound around the sound box for detection. The sound equipment is automatically detected, so that the testing efficiency is improved, and the productivity is further improved.

Description

Technical Field

[0001] The utility model relates to the field of audio production, in particular to an automatic audio testing device. Background Art

[0002] When mass-producing speakers, they need to be tested. During the test, a microphone is needed to collect the sound emitted by the speakers for easy detection. During the test, it is easy to be interfered by the sound emitted by adjacent speakers, resulting in distorted test results and the risk of shipping speakers with bad sound to end customers. At the same time, manual plugging and unplugging of connectors requires certain skills from the operator to prevent scratches on the speaker surface or poor contact, and the operator is prone to work fatigue. Due to the frequent manual intervention of the entire testing process, the reliability of the test results and the output of the equipment are affected. In addition, the high labor costs of enterprises in modern society have led to a decline in the market competitiveness of products. Utility Model Content

[0003] The purpose of the utility model is to provide an automatic sound testing device to solve the problems raised in the above background technology.

[0004] To achieve the above purpose, the utility model adopts the following technical solution: an audio test automation device, comprising:

[0005] A conveying device for conveying products;

[0006] A testing device, used for testing the product, wherein the testing device is symmetrically arranged on both sides of the conveying device;

[0007] A manipulator, used to move the product back and forth between the conveying device and the testing device, the manipulator being arranged above the conveying device;

[0008] Each of the testing devices includes a shielding box, a moving platform for conveying products, a pressing mechanism for pressing products, and an acoustic detection mechanism for detecting products. A closed space is provided inside the shielding box, and the moving platform is arranged at the center of the closed space. The closed space is provided with a loading station and a detection station in sequence along the conveying direction of the moving platform. The pressing mechanism and the acoustic detection mechanism are both arranged in the closed space. The two acoustic detection mechanisms are respectively arranged on both sides of the detection station. The pressing mechanism is arranged directly above the detection station. The moving platform includes a jig.

[0009] Preferably, the audio testing automation equipment further comprises a support frame, a through slot is provided in the middle of the lower end surface of the support frame, the conveying device is arranged through the through slot, the manipulator is arranged at intervals on the upper end surface of the support frame, and the testing device is symmetrically arranged on both sides of the support frame.

[0010] Preferably, the acoustic detection mechanism comprises a bracket, a microphone and an acoustic tester, the microphone is arranged at the upper end of the bracket, and the microphone is communicatively connected to the acoustic tester.

[0011] Preferably, the pressing mechanism includes a crossbeam, a pressure block and a threaded cylinder. The crossbeam is arranged above the detection station, and a plurality of the threaded cylinders are arranged at intervals on the upper end of the crossbeam. The threaded cylinder, the pressure block and the detection station are arranged in sequence from top to bottom, and the pressure block is detachably arranged on the piston rod of the threaded cylinder.

[0012] Preferably, the motion platform further comprises a magnetically coupled rodless cylinder, the fixture comprises a bottom plate and a tray, the tray, the bottom plate and the magnetically coupled rodless cylinder are sequentially connected from top to bottom, a receiving groove for receiving the product is recessed at the center of the tray, a connector is provided inside the receiving groove, and the connector is electrically connected to the product.

[0013] Preferably, the bracket includes a first rod, a second rod, a fastening screw, a base, a first connecting seat and a second connecting seat, the first rod and the second rod are both penetrated and arranged in the first connecting seat, the first rod and the second rod are both detachably arranged in the first connecting seat by means of a fastening screw, one end of the fastening screw vertically abuts against the outer surface of the first rod or the second rod, the first rod and the second rod are perpendicular to each other, one end of the first rod is detachably arranged on the base, the base is detachably arranged in the shielding box by means of screws, the second rod and the microphone are respectively detachably arranged at both ends of the second connecting seat, the base is provided with a strip groove for the screw to penetrate, and scales are provided on both sides of the strip groove and the first rod and the second rod.

[0014] Preferably, the conveying device includes a first conveying line and a second conveying line, the second conveying line is arranged directly above the first conveying line, and the second conveying line is shorter than the first conveying line.

[0015] Preferably, the second connecting seat includes a seat body, a sleeve and a protective cover, the sleeve is sleeved on the microphone, the sleeve is arranged through the seat body, the protective cover is detachably arranged at one end of the seat body, the microphone and one end of the sleeve are both arranged inside the protective cover, a through hole is opened at the center of the protective cover, and the microphone is coaxially arranged with the through hole.

[0016] Preferably, the acoustic testing automation equipment further comprises a visual inspection device, wherein the visual inspection device is arranged above the feeding end of the conveying device, and the visual inspection device and the manipulator are arranged in sequence along the conveying direction of the conveying device.

[0017] Preferably, the shielding box comprises a soundproof box body, a soundproof box cover and a telescopic element, the upper end of the soundproof box body is open, two ends of the telescopic element are respectively hingedly arranged at one end of the soundproof box cover and the inner wall of the soundproof box, and one end of the soundproof box cover is hingedly arranged at one end of the soundproof box body; when the soundproof box cover is closed on the upper end of the soundproof box body, the soundproof box body is sleeved inside the soundproof box cover.

[0018] The working principle of the utility model is as follows: the speakers are placed on the first conveyor line when being fed, and they will pass under the visual inspection device during transportation, and the visual inspection device will inspect the appearance of the speakers. The speakers that need to be tested are moved from the first conveyor line to the second conveyor line by a robot. The speakers waiting to be tested are moved from the second conveyor line to the testing device position by a subsequent robot. The speakers will be placed in the jig of the motion platform by the robot, and when the product is placed inside the jig, it will automatically connect to the preset connector inside the pallet, and when the product is placed inside the jig, the soundproof box cover will automatically cover the soundproof box body, and the product will be inspected in the enclosed space inside the shielding box;

[0019] Start the magnetically coupled rodless cylinder to move the fixture to the inspection station. Start the pressing mechanism, and the threaded cylinder of the pressing mechanism will drive the pressing block to descend. The pressing block descends until it hits the upper end surface of the product, and the product is fixed inside the fixture through the pressing block. According to the location of the product speaker, adjust the bracket in advance so that the positions of the two microphones are aligned with the location of the product speaker. When the product is at the inspection station, it will be activated to make a sound. The microphones of the acoustic detection mechanism on both sides of the fixture will receive the sound emitted by the speakers on both sides of the product, and transmit the sound to the acoustic test instrument for detection.

[0020] The beneficial effects of the utility model are as follows: a closed space for testing is formed inside the shielding box, and a pressing mechanism for fixing the sound being tested in the fixture is provided in the accommodating cavity, thereby reducing the interference of the noise generated by the vibration of the sound itself on the test effect. The acoustic detection mechanism receives sound from the left and right sides of the sound for detection. The manipulator automatically places the sound into the shielding box, and the moving platform inside the shielding box moves the sound between multiple acoustic detection mechanisms, which collect the sound around the sound for detection. Automatic detection of the sound improves the test efficiency and thus increases production capacity. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings further illustrate the present invention, but the embodiments in the accompanying drawings do not constitute any limitation to the present invention.

[0022] Figure 1 A schematic diagram of the structure of an audio test automation device provided by an embodiment of the utility model;

[0023] Figure 2 for Figure 1A partial enlarged view of the A part;

[0024] Figure 3 A schematic diagram of the structure of a testing device provided in one embodiment of the utility model;

[0025] Figure 4 for Figure 3 A partial enlarged view of the B portion in FIG.

[0026] Figure 5 A schematic structural diagram of an acoustic detection mechanism provided in one embodiment of the utility model.

[0027] Figure numerals: 1: conveying device; 2: manipulator; 3: shielding box; 4: moving platform; 41: fixture; 42: magnetically coupled rodless cylinder; 5: pressing mechanism; 51: threaded cylinder; 52: pressing block; 6: acoustic detection mechanism; 61: microphone; 62: bracket; 7: support frame; 8: visual detection device. DETAILED DESCRIPTION

[0028] The specific implementation of the present invention is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the present invention, and is not used to limit the present invention.

[0029] It should be noted that in the present invention, unless otherwise stated, when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element at the same time. The directional words used, such as "upper, lower, left, right" generally refer to the position of the element. Figure 1 "Inside and outside" refer to the inside and outside of a specific outline. "Far and near" refer to the far and near relative to a certain component.

[0030] like Figure 1-Figure 5 As shown in , an embodiment of the utility model provides an audio test automation device, comprising:

[0031] A conveying device 1, used for conveying products;

[0032] A testing device, used for testing the product, wherein the testing device is symmetrically arranged on both sides of the conveying device 1;

[0033] A manipulator 2, used to move the product back and forth between the conveying device 1 and the testing device, the manipulator 2 is arranged above the conveying device 1;

[0034] Each of the test devices includes a shielding box 3, a moving platform 4 for conveying products, a pressing mechanism 5 for pressing products, and an acoustic detection mechanism 6 for detecting products. A closed space is provided inside the shielding box 3, and the moving platform 4 is arranged at the center of the closed space. The closed space is provided with a loading station and a detection station in sequence along the conveying direction of the moving platform 4. The pressing mechanism 5 and the acoustic detection mechanism 6 are both arranged in the closed space. The two acoustic detection mechanisms 6 are respectively arranged on both sides of the detection station. The pressing mechanism 5 is arranged directly above the detection station. The moving platform 4 includes a fixture 41.

[0035] The audio test automation equipment also includes a support frame 7, a through slot is provided in the middle of the lower end surface of the support frame 7, the conveying device 1 is arranged through the through slot, the manipulator 2 is arranged at intervals on the upper end surface of the support frame 7, and the testing device is symmetrically arranged on both sides of the support frame 7.

[0036] The acoustic detection mechanism 6 includes a bracket 62, a microphone 61 and an acoustic tester. The microphone 61 is arranged at the upper end of the bracket 62, and the microphone 61 is communicatively connected with the acoustic tester.

[0037] The pressing mechanism 5 includes a crossbeam, a pressure block 52 and a threaded cylinder 51. The crossbeam is arranged above the detection station. Several threaded cylinders 51 are arranged at intervals on the upper end of the crossbeam. The threaded cylinder 51, the pressure block 52 and the detection station are arranged in sequence from top to bottom. The pressure block 52 is detachably arranged on the piston rod of the threaded cylinder 51.

[0038] The motion platform 4 also includes a magnetically coupled rodless cylinder 42, and the fixture 41 includes a bottom plate and a tray. The tray, the bottom plate and the magnetically coupled rodless cylinder 42 are sequentially connected from top to bottom. A receiving groove for receiving the product is recessed at the center of the tray, and a connector is provided inside the receiving groove. The connector is electrically connected to the product.

[0039] The bracket 62 includes a first rod, a second rod, a fastening screw, a base, a first connecting seat and a second connecting seat, the first rod and the second rod are both penetrated and arranged in the first connecting seat, the first rod and the second rod are both detachably arranged in the first connecting seat by means of a fastening screw, one end of the fastening screw vertically abuts against the outer surface of the first rod or the second rod, the first rod and the second rod are perpendicular to each other, one end of the first rod is detachably arranged in the base, the base is detachably arranged in the shielding box 3 by means of a screw, the second rod and the microphone 61 are respectively detachably arranged at both ends of the second connecting seat, the base is provided with a strip groove for the screw to penetrate, and scales are provided on both sides of the strip groove and on the first rod and the second rod.

[0040] The conveying device 1 includes a first conveying line and a second conveying line. The second conveying line is arranged directly above the first conveying line, and the second conveying line is shorter than the first conveying line.

[0041] The second connecting seat includes a seat body, a sleeve and a protective sleeve. The sleeve is sleeved on the microphone 61. The sleeve is arranged through the seat body. The protective sleeve is detachably arranged at one end of the seat body. The microphone 61 and one end of the sleeve are both arranged inside the protective sleeve. A through hole is opened at the center of the protective sleeve. The microphone 61 is coaxially arranged with the through hole.

[0042] The acoustic test automation equipment further includes a visual inspection device 8 , which is disposed above the feeding end of the conveying device 1 . The visual inspection device 8 and the manipulator 2 are sequentially disposed along the conveying direction of the conveying device 1 .

[0043] The shielding box 3 includes a soundproof box body, a soundproof box cover and a telescopic element. The upper end of the soundproof box body is open, and both ends of the telescopic element are respectively hingedly arranged at one end of the soundproof box cover and the inner wall of the soundproof box. One end of the soundproof box cover is hingedly arranged at one end of the soundproof box body. When the soundproof box cover is closed on the upper end of the soundproof box body, the soundproof box body is sleeved inside the soundproof box cover.

[0044] The technical features of the above-mentioned embodiments can be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the utility model, which should be considered as the scope of this specification.

Claims

1. An audio test automation device, characterized in that: include: A conveying device for conveying products; A testing device, used for testing the product, wherein the testing device is symmetrically arranged on both sides of the conveying device; A manipulator, used to move the product back and forth between the conveying device and the testing device, the manipulator being arranged above the conveying device; Each of the testing devices includes a shielding box, a moving platform for conveying products, a pressing mechanism for pressing products, and an acoustic detection mechanism for detecting products. A closed space is provided inside the shielding box, and the moving platform is arranged at the center of the closed space. The closed space is provided with a loading station and a detection station in sequence along the conveying direction of the moving platform. The pressing mechanism and the acoustic detection mechanism are both arranged in the closed space. The two acoustic detection mechanisms are respectively arranged on both sides of the detection station. The pressing mechanism is arranged directly above the detection station. The moving platform includes a jig.

2. The audio test automation equipment according to claim 1, characterized in that: It also includes a support frame, a through slot is provided in the middle of the lower end surface of the support frame, the conveying device is arranged through the through slot, the manipulator is arranged at intervals on the upper end surface of the support frame, and the testing device is symmetrically arranged on both sides of the support frame.

3. The audio test automation equipment according to claim 1, characterized in that: The acoustic detection mechanism comprises a bracket, a microphone and an acoustic tester. The microphone is arranged at the upper end of the bracket, and the microphone is communicatively connected with the acoustic tester.

4. The audio test automation equipment according to claim 1, characterized in that: The pressing mechanism includes a crossbeam, a pressure block and a threaded cylinder. The crossbeam is arranged above the detection station. Several threaded cylinders are arranged at intervals on the upper end of the crossbeam. The threaded cylinder, the pressure block and the detection station are arranged in sequence from top to bottom. The pressure block is detachably arranged on the piston rod of the threaded cylinder.

5. The audio test automation equipment according to claim 1, characterized in that: The motion platform also includes a magnetically coupled rodless cylinder, and the fixture includes a base plate and a tray. The tray, the base plate and the magnetically coupled rodless cylinder are sequentially connected from top to bottom. A receiving groove for accommodating the product is recessed at the center of the tray, and a connector is provided inside the receiving groove.

6. The audio test automation equipment according to claim 3, characterized in that: The bracket includes a first rod, a second rod, a fastening screw, a base, a first connecting seat and a second connecting seat, the first rod and the second rod are both penetrated and arranged in the first connecting seat, the first rod and the second rod are both detachably arranged in the first connecting seat by fastening screws, the first rod and the second rod are perpendicular to each other, one end of the first rod is detachably arranged in the base, the base is detachably arranged in the shielding box by screws, the second rod and the microphone are respectively detachably arranged at both ends of the second connecting seat, the base is provided with a strip groove for the screw to penetrate, and scales are provided on both sides of the strip groove and the first rod and the second rod.

7. The audio test automation equipment according to claim 1, characterized in that: The conveying device includes a first conveying line and a second conveying line. The second conveying line is arranged directly above the first conveying line, and the second conveying line is shorter than the first conveying line.

8. The audio test automation equipment according to claim 6, characterized in that: The second connecting seat includes a seat body, a sleeve and a protective cover, the sleeve is sleeved on the microphone, the sleeve is arranged through the seat body, the protective cover is detachably arranged at one end of the seat body, the microphone and one end of the sleeve are both arranged inside the protective cover, a through hole is opened at the center of the protective cover, and the microphone is coaxially arranged with the through hole.

9. The audio test automation equipment according to claim 1, characterized in that: It also includes a visual inspection device, which is arranged above the feeding end of the conveying device. The visual inspection device and the manipulator are arranged in sequence along the conveying direction of the conveying device.

10. The audio test automation equipment according to claim 1, characterized in that: The shielding box includes a soundproof box body, a soundproof box cover and a telescopic element. The upper end of the soundproof box body is open, and two ends of the telescopic element are respectively hingedly arranged at one end of the soundproof box cover and the inner wall of the soundproof box. One end of the soundproof box cover is hingedly arranged at one end of the soundproof box body. When the soundproof box cover is closed on the upper end of the soundproof box body, the soundproof box body is sleeved inside the soundproof box cover.

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