Interpretation of the method of toy burning tester used to test length

The invention relates to a method for detecting length parameters related to the flammability of toys. This method is used for safety inspection and testing of toy products import and export, and is used for product quality inspection and testing of toy manufacturers, belonging to the technical field of testing. . The import and export of toys must undergo a series of inspections of corresponding standards, and the flammability inspection is an important link. Various standards require the test of toy length, beard and other extension length and burned part length in the process of toy combustion performance testing, and require high test accuracy; various standards also have requirements for the ignition position, and the flame nozzle is passed during the test. To find the best ignition position, various standards have strict requirements on the time to complete the entire flammability test process. Therefore, in the process of toy flammability testing, the length of the test must be high in accuracy and speed, and the positioning height of the flame nozzle must be accurate and fast. At present, in the flammability test of toys, almost all manual methods are used to test the length of the toy, the extension length of the beard and the length of the burned part. Generally, the steel ruler is fixed on the mechanism of the hanging toy, which is determined by the tester. After testing the reference point, observe the length value to be tested with eyes. This test method results in low intensive reading, slow test speed, poor repeatability, low efficiency, and heavy workload. It is difficult to accurately measure the height of the toy and the size of the burned part, especially for large toys (soft toys with a height greater than 520mm). Therefore, it is very necessary to develop a test method that can complete the test accurately, quickly, and automatically, and at a low cost. The technical problem to be solved by the present invention is to provide a method for testing length on a toy burning tester, which is used to detect many length-related parameters in the toy test process. These length-related parameters include the length of the toy, the beard, etc. For parameters such as the length of the beard and the like of the toy, the length of the burned part of the toy, and the height of the ignition position, this method should have high accuracy in length detection, fast testing speed, accurate positioning of the flame nozzle, and fast positioning speed. To this end, the present invention discloses a method for testing length on a toy burning tester, which includes the following steps: Step 1, using the center point of the stylus on the test object mechanism as the positioning reference point to set the test object on the test object mechanism. The photoelectric switch set is the reference point of the test object, and the photoelectric switch set on the test mechanism is the test reference point; controlled by the control system, the vertical slider device on the test object mechanism moves to the test object reference point, and the vertical sliding of the test mechanism Move the block mechanism to the test reference point; step two, hang the toy to be tested on the test object mechanism, control the movement of the vertical slider device on the test object mechanism, and stop the mechanism when the test bottom of the toy to be tested is aligned with the positioning reference point. Operation; Step three, control the movement of the vertical slider device on the test mechanism, and move the ruler installed on the vertical slider device of the test mechanism to move the ruler to the upper position of the toy to be tested, and the control system records the test mechanism The moving distance of the vertical slider device. Preferably, the second step further includes step A: hang the toy to be tested on the test object mechanism, and the flame nozzle ignites and burns at the optimal ignition position, so that the toy to be tested completes the combustion test required for the test, and then controls the test object The vertical slider device on the mechanism moves. The method of the present invention including this step can be used to complete the length test of the burned part. Preferably, the step A further includes the step B: hang the toy to be tested on the test object mechanism, move the vertical slider device on the test object mechanism, and move the ignition device simultaneously, that is, move the ignition nozzle to make the test object The most flammable part of the toy is at the best burning position, that is, the most flammable part is within the effective distance in front of the nozzle, ignites and burns. After the combustion is completed, the control system records the movement distance of the vertical slider device on the test object mechanism, and then repeats step one. The method of the present invention including this step can be used to complete the test of the ignition position height of the flame nozzle. Compared with the prior art, the present invention has the following beneficial effects: The present invention is a method for testing length on a toy burning tester. This method can be used to detect many length-related parameters in the toy test process. These length-related parameters include toys. The height of the beard, the extension length of the beard of the toy with the beard, the length of the burned part of the toy and the height of the ignition position, etc., it has the characteristics of high detection length accuracy, fast test speed, accurate positioning of the flame nozzle, and fast positioning speed. In order to complete the test of the length of the burnt part of the toy, step two also includes step A: Hang the toy to be tested on the test object mechanism, and the flame nozzle ignites and burns at the best ignition position, so that the toy to be tested can complete the combustion test required for the test. , And then control the movement of the vertical slider device on the test object mechanism. The method of the present invention including this step can be used to complete the length test of the burned part. At this time, the bottom of the test is selected as the bottom of the burned part of the toy, and the top of the test is the top of the burned part of the toy. At this time, the length of the burned part of the toy is measured. test.
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