CN220270609U - Sound test system and assembly line - Google Patents

Abstract

A sound testing system, comprising: a tray on which a sample to be measured is placed; the tray moves on the guide rail; an isolation cover partially enclosing the test space, the guide rail extending below the test space; the lifting mechanism is arranged in the test space and used for lifting the tray to a test position; the fixing mechanism is arranged in the test space and used for fixing the sample to be tested at the test position; the sound sensor is arranged in the test space and used for carrying out sound test on the sample to be tested.

Description

Sound test system and assembly line

Technical Field

The present utility model relates to a sound test system, and more particularly, to a sound test system capable of automatically performing a test.

Background

During the production process of the components, it is often necessary to perform acoustic testing of the semifinished components on the production line to determine whether the semifinished components are in a normal state. In most of the prior art, when the semi-finished parts are required to be subjected to sound test, only the semi-finished parts can be taken down from the production line and then sent to sound test equipment for testing, so that the production efficiency of the parts is reduced, and the corresponding labor cost is increased.

Accordingly, the present utility model is directed to a sound testing system that overcomes the above-mentioned shortcomings of the prior art.

Disclosure of Invention

In a first aspect of the present utility model, there is provided a sound testing system comprising: a tray on which a sample to be measured is placed; the tray moves on the guide rail; an isolation cover partially enclosing the test space, the guide rail extending below the test space; the lifting mechanism is arranged in the test space and used for lifting the tray to a test position; the fixing mechanism is arranged in the test space and used for fixing the sample to be tested at the test position; the sound sensor is arranged in the test space and used for carrying out sound test on the sample to be tested.

According to this scheme, in the process of carrying out the test on the sample, first place the sample on the tray, then the sample moves to the test space below along the guide rail along with the tray, then lift up the sample along with the tray to near the sound sensor through elevating system, then fix the sample in the test position through fixed establishment, finally carry out the sound test to the sample by the sound sensor. The automatic sound test device for the semi-finished product component has the advantages that the automatic sound test of the sample is realized, particularly, the sound test of the semi-finished product component can be automatically carried out on a production line, the production efficiency of the component is improved, and the labor cost is saved.

In some aspects, the lifting mechanism is further provided with a detachable securing element such that when the tray is lifted, the detachable securing element secures the sample to be tested to the lifting mechanism, and when the tray reaches the testing position, the detachable securing element releases the sample to be tested from the lifting mechanism.

According to this solution, undesired movement or even falling of the sample during lifting is prevented by the detachable fixing element, so that the lifting process of the sample is more stable.

In some aspects, the detachable fixing element is a zero-position bolt, the zero-position bolt is provided with a pin and a fixing hole, the zero-position bolt fixes the sample to be tested to the lifting mechanism when the pin is inserted into the fixing hole, and the zero-position bolt releases the sample to be tested from the lifting mechanism when the pin is separated from the fixing hole.

According to the scheme, the detachable fixing element is simple in structure and convenient to operate, and fixing and/or separating of the sample to be detected and the lifting mechanism are/is controlled more conveniently.

In some aspects, the securing mechanism may be a cylinder that secures the test specimen in the testing position by a compressive force.

In some aspects, the sound testing system may further include a motor for driving the tray to move on the rail.

In some aspects, the tray is provided with a positioning element for determining the position of the tray.

According to the scheme, the position of the tray can be determined, so that the position of the sample placed on the tray is determined, and the sample is determined to be in a certain processing stage according to the relative position of the sample on the production line.

In some aspects, the positioning element may be an RFID.

In some aspects, the sound testing system further comprises a data processing module for analyzing the sound frequency of the sample to be tested measured by the sound sensor to determine whether the sample to be tested is in a normal state.

According to the scheme, whether the sample is in a normal state or not can be automatically detected.

In some embodiments, the sound test system further includes an alarm device, and the alarm device sends an alarm when the data processing module analyzes that the sample to be tested is in an abnormal state.

According to this aspect, an alarm can be automatically given to a sample in an abnormal state.

In a second aspect of the utility model, there is provided a pipeline comprising a sound testing system according to the first aspect of the utility model for sound testing of workpieces on the pipeline.

According to the scheme, the automatic detection of the semi-finished product components on the assembly line can be realized, the production efficiency of the assembly line is improved, and the qualification rate of products can be improved.

Drawings

Fig. 1 shows a schematic diagram of a sound testing system 100 according to an embodiment of the utility model.

Reference numerals: 100 sound test system, 102 cage, 104 tray, 106 sound sensor, 108 fixture, 110 test space.

Detailed Description

In order to make the objects, aspects and advantages of the technical solution of the present utility model more clear, the technical solution of the embodiment of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the specific embodiment of the present utility model. Unless otherwise indicated, terms used herein have the meaning common in the art. Like reference numerals in the drawings denote like parts.

Fig. 1 shows a schematic diagram of a sound testing system 100 according to an embodiment of the utility model, the sound testing system 100 comprising a cage 102, a tray 104, a sound sensor 106, a securing mechanism 108, a rail and a lifting mechanism. Wherein the cage 102 partially encloses the test space 110, and wherein the sample to be tested is introduced into the test space 110 for acoustic testing during acoustic testing, a channel is provided below the cage 102 for the tray 104 to enter and/or exit the test space 110. The tray 104 provides a placement platform for the sample to be tested such that the sample to be tested moves with the tray 104.

During acoustic testing, tray 104, along with the sample under test (e.g., semi-finished part) placed thereon, is first moved horizontally along the rails to below test space 110, and then moved by the lift mechanism through a channel below cage 102 into test space 110 and into the vicinity of acoustic sensor 106. It should be understood that the present utility model is not limited to a particular lifting manner and that the lifting mechanism may take the form of pushing upward from below the tray 104 or pulling upward from above the tray 104 or any other suitable lifting manner. After the tray 104 and the sample to be tested placed thereon reach the vicinity of the acoustic sensor 106, the sample to be tested is fixed at the test position by the fixing mechanism 108, and finally the sample to be tested is subjected to acoustic test by the acoustic sensor 106. Through the steps, the automation of the sample sound test is realized, particularly, the sound test can be automatically carried out on the semi-finished product component on the assembly line, the production efficiency of the component is improved, and the labor cost is saved.

Preferably, the lifting mechanism may also be provided with a detachable securing element such that when the tray 104 is lifted, the detachable securing element secures the sample to be tested to the lifting mechanism, and when the tray 104 reaches the testing position, the detachable securing element releases the sample to be tested from the lifting mechanism. The detachable fixing element can be a zero-position bolt, the zero-position bolt is provided with a pin and a fixing hole, when the pin is inserted into the fixing hole, the zero-position bolt fixes the sample to be tested to the lifting mechanism, and when the pin is separated from the fixing hole, the zero-position bolt releases the sample to be tested from the lifting mechanism. It should be understood that the removable fastening element may be any other element capable of performing a removable fastening function and the utility model is not intended to be limited to the specific form of the removable fastening element. Undesired movement or even falling of the sample during lifting is prevented by the detachable fixing element, so that the lifting process of the sample is more stable.

Preferably, the fixing mechanism 108 may be a cylinder, and the sample to be tested is fixed at the test position by applying a pressing force to the sample to be tested through the cylinder. It should be understood that any other suitable securing mechanism may be employed and that the utility model is not intended to be limited to the specific form of securing mechanism.

Optionally, the acoustic testing system 100 may also include a motor for driving the tray 104 to move on the rails.

Preferably, the tray 104 may be provided with a positioning element (e.g. RFID, etc.) for determining the position of the tray 104, and thus the position of the sample to be tested placed on the tray 104, and thus the sample at a certain processing stage according to the relative position of the sample to be tested on the flow line.

Preferably, the sound testing system 100 further includes a data processing module for analyzing the sound frequency and loudness of the sample to be tested measured by the sound sensor to determine whether the sample to be tested is in a normal state. For example, a frequency standard value (for example, 800Hz, 2kHz, 5kHz, etc., or different frequency standard values may be set according to different specific conditions) and a loudness standard value interval (for example, 94±3dbspl, etc., or different loudness standard value intervals may be set according to different specific conditions) may be set, the measured sound frequency and loudness of the sample to be tested may be compared with preset standard values, if the sound frequency and loudness of the sample to be tested are within the standard value interval, the sample to be tested may be considered to be in a normal state, otherwise, the sample to be tested may be considered to be in an abnormal state. Thus, the automatic detection of whether the sample to be tested is in a normal state is realized. Further preferably, the sound test system 100 may further include an alarm device, and the alarm device sounds an alarm when the data processing module analyzes that the sample to be tested is in an abnormal state. Thus, the automatic alarm of the sample to be tested in the abnormal state is realized.

Because the acoustic test system 100 of the present utility model enables automatic detection of samples to be tested, it is particularly suited for acoustic testing of semi-finished parts on a manufacturing line. For example, the sound test system 100 may be set at a position on the pipeline where a product quality problem is likely to occur, the standard sound frequency under the normal state is determined in advance according to the position of the sound test system, the tested sound frequency is compared with the standard sound frequency, if the comparison result shows that the sample to be tested is in the normal state, the sample to be tested continues to travel along the pipeline for processing, and if the comparison result shows that the sample to be tested is in the abnormal state, the sample to be tested may be taken out from the pipeline for maintenance. Therefore, the efficiency of assembly line processing can be improved through automatic detection, the qualification rate of processed products can be improved through alarming of abnormal semi-finished product components, and meanwhile, adverse conditions that the semi-finished product components cannot be repaired and scrapped due to failure accumulation can be reduced through finding out failure semi-finished products as early as possible.

Various exemplary embodiments of the present utility model have been described in detail herein with reference to the preferred embodiments, however, it will be appreciated by those skilled in the art that various modifications and adaptations can be made to the specific embodiments described above and that various technical features and structures can be combined without departing from the scope of the utility model, which is defined by the appended claims.

Claims (10)

1. A sound testing system, comprising:

a tray on which a sample to be measured is placed;

a guide rail on which the tray moves;

an isolation cover partially enclosing a test space, the guide rail extending below the test space;

the lifting mechanism is arranged in the test space and used for lifting the tray to a test position;

the fixing mechanism is arranged in the test space and used for fixing the sample to be tested at the test position;

and the sound sensor is arranged in the test space and is used for carrying out sound test on the sample to be tested.

2. The sound testing system of claim 1, wherein the lifting mechanism is further provided with a detachable securing element such that when the tray is lifted, the detachable securing element secures the sample to be tested to the lifting mechanism, and when the tray reaches the testing position, the detachable securing element releases the sample to be tested from the lifting mechanism.

3. The sound testing system of claim 2, wherein the detachable securing element is a zero-position latch provided with a pin and a securing hole, the zero-position latch securing the sample to be tested to the lifting mechanism when the pin is inserted into the securing hole, the zero-position latch releasing the sample to be tested from the lifting mechanism when the pin is separated from the securing hole.

4. The acoustic test system of claim 1, wherein the securing mechanism is a pneumatic cylinder that secures the test specimen in the test position by a compression force.

5. The sound testing system of claim 1, further comprising a motor for driving the tray to move on the rail.

6. The sound testing system of claim 1, wherein the tray is provided with a positioning element for determining the position of the tray.

7. The sound testing system of claim 6, wherein the locating element is an RFID.

8. The sound testing system of claim 1, further comprising a data processing module for analyzing the sound frequency of the sample to be tested as measured by the sound sensor to determine if the sample to be tested is in a normal state.

9. The sound testing system of claim 8, further comprising an alarm device that sounds an alarm when the data processing module analyzes that the test specimen is in an abnormal state.

10. A pipeline comprising a sound testing system according to any one of claims 1 to 9 for sound testing of workpieces on the pipeline.