Universal modularized automatic production line for Bluetooth headset function test

Abstract

The utility model discloses a universal modularized automatic production line for Bluetooth earphone function testing. The universal modularized automatic production line comprises a feeding module, an RF detection module, an acoustic detection module, a grading module and a discharging module. The whole line is divided into five modules according to the test process, each module can be quickly pulled out or inserted into a new module, the test modules can be flexibly allocated according to different requirements, the material modules are responsible for product feeding of the whole line, and the production efficiency is improved. After a material tray is manually placed into the feeding module, the automatic tray distributing mechanism automatically distributes the material tray and feeds the material once, so that the feeding requirement of four hours can be met, and the RF detection module is used for automatically feeding the material to RF detection equipment and judging that a product is placed into a discharging tray or an NG tray according to a detection result. And if an NG product appears, a product needs to be taken from the material supplementing disc and is confirmed to be a good product after new detection, then material supplementing is carried out, and if the product is NG, material supplementing needs to be carried out again.

Description

TECHNICAL FIELD

[0001] The utility model relates to bluetooth detection technical field, concretely is a kind of bluetooth earphone function test general modular automatic production line. BACKGROUND

[0002] Bluetooth is a low-cost large-capacity short-range wireless communication specification;Bluetooth earphone is just the earphone with bluetooth function to replace wire, user can conveniently carry out talk by bluetooth earphone;In order to verify the function of bluetooth earphone to ensure quality, bluetooth earphone must be tested before leaving factory, and function test is carried out in dedicated test equipment;Existing bluetooth earphone needs to be manually fixed to function test equipment by artificial hand, it is troublesome to operate, there is also security risk, and bluetooth earphone cannot be better fixed and connected, power supply and signal interface are very easy to loosen, in turn lead to larger test error, and further, so now need a kind of bluetooth earphone function test general modular automatic production line. UTILITY MODEL CONTENT

[0003] The utility model aims at providing a kind of bluetooth earphone function test general modular automatic production line, and the detection fluidity of device whole is guaranteed by the cooperation of each component set, to solve the technical problem mentioned in background art.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of bluetooth earphone function test general modular automatic production line, including feeding module, RF detection module, acoustic detection module and grading module and discharging module;

[0005] The feeding module includes first working tank, the first working tank top end is equipped with first synchronous conveying line, and the first synchronous conveying line output end is provided with disc separating mechanism;

[0006] The RF detection module is provided with two groups, and each group RF detection module includes a group of RF test equipment, the RF test equipment side is equipped with test equipment sliding mechanism, the RF test equipment front side is provided with first tray positioning mechanism, the first tray positioning mechanism output end is equipped with second synchronous conveying line, the first tray positioning mechanism upper portion is provided with earphone switch tooling, the earphone switch tooling upper portion key is connected and installed first shaft mechanical hand, the first shaft mechanical hand side is equipped with first automatic quick claw changing tooling;

[0007] The acoustic detection module is provided with six groups, and the grading module is installed between the first four groups and the last two groups among six groups acoustic detection module, and the acoustic detection module includes a group of acoustic test equipment, and the acoustic test equipment front side mounting structure is identical with the RF test equipment front side mounting mechanism;

[0008] The grading module comprises a second working box connected with the front four groups and the rear two groups of acoustic detection modules, the second working box is rotationally installed with a shaft manipulator, and the lower side of the shaft manipulator is provided with a second automatic quick jaw changing tool;

[0009] The discharging module comprises a third working box installed on the output side of the grading module, the top end of the third working box is installed with a synchronous belt conveying line body, and one side of the synchronous belt conveying line body is installed with a tray stacking mechanism.

[0010] Preferably, the first synchronous conveying line is stacked with trays, the trays are moved into the limiting frame on the upper part of the tray separating mechanism and sent to the upper surface of the first tray positioning mechanism in the RF detection module.

[0011] Preferably, one end of the first tray positioning mechanism is provided with a second synchronous conveying line, the outer side of the first tray positioning mechanism is installed with an automatic jaw changing tool magazine, the outer side of the first tray positioning mechanism is installed with an NG bin on one side of the automatic jaw changing tool magazine, and the outer side of the first tray positioning mechanism is installed with a first RFID reader and writer.

[0012] Preferably, the top end of the second working box is installed with two groups of vertically installed third synchronous conveying lines, the upper part of the second working box is installed with a grading temporary storage tray on one side of the shaft manipulator, and the upper part of the second working box is installed with a third automatic quick jaw changing tool.

[0013] Preferably, one of the third synchronous conveying lines on the upper part of the second working box is installed with an empty tray buffer bin corresponding to the tray input side, the other third synchronous conveying line on the upper part of the second working box is installed with a tray jacking positioning mechanism corresponding to the output position of the third synchronous conveying line, and the outer sides of the two groups of third synchronous conveying lines are installed with second RFID reader and writers.

[0014] Preferably, two groups of first module quick positioning mechanisms are respectively installed on one side of the lower part of the feeding module and the discharging module, and two groups of quick positioning structures are respectively installed on one side of the lower part of the grading module.

[0015] Preferably, one side of the first automatic quick jaw changing tool, the second automatic quick jaw changing tool and the third automatic quick jaw changing tool is installed with a ccd visual guidance positioning mechanism, the other side of the first automatic quick jaw changing tool, the second automatic quick jaw changing tool and the third automatic quick jaw changing tool is installed with a work station flexible jaw, and the lower part of the first automatic quick jaw changing tool, the second automatic quick jaw changing tool and the third automatic quick jaw changing tool is movably installed with a tray suction nozzle.

[0016] Preferably, the earphone switch tool includes a mounting plate mounted on one side of an automatic clamping jaw library, four groups of rotary clamping cylinders are symmetrically mounted on the upper surface of the mounting plate, a plurality of Bluetooth earphone cavities are formed between the four groups of rotary clamping cylinders, a contact is formed on one side of each group of Bluetooth earphone cavities, and a plurality of quick release handles are mounted on the two sides of the mounting plate.

[0017] Compared with the prior art, the earphone switch tool has the advantages that:

[0018] The whole line is divided into five modules according to test processes, each module can be quickly separated or a new module is inserted, different test modules can be flexibly allocated according to different requirements, the material module is responsible for product feeding of the whole line, the material disc is placed in the feeding module by manual, and then the material disc mechanism automatically divides the disc, manual feeding can meet the feeding for four hours, the RF detection module is used for automatically feeding the RF detection equipment, according to the detection result, the product is put into the unloading disc or the NG disc, if the NG product appears, a product is taken from the feeding disc for re-detection, and if the product is a good product, the feeding is performed, if the product is still an NG product, the feeding is performed again, the general detection module is used for automatically feeding the acoustic detection equipment, according to the detection result, the product is put into the unloading disc or the NG disc, if the NG product appears, a product is taken from the feeding disc for re-detection, and if the product is a good product, the feeding is performed, if the product is still an NG product, the feeding is performed again, the grading module is used for grading according to acoustic detection data, and then the same grade products are matched and placed by the mechanical arm reading the RFID to obtain the gear information, the products that are not successfully matched are placed in the temporary storage disc for temporary storage, and the next disc of products that can be matched is taken out for matching, the feeding module is responsible for checking whether all the products are qualified, and the material disc is stacked after it is confirmed that all the products are qualified, the unloading module can buffer products for four hours, and the overall detection efficiency of the device is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model;

[0020] Figure 2 It is a structural schematic diagram of the feeding module of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the RF detection module of the utility model;

[0022] Figure 4 It is a structural schematic diagram of the acoustic detection module of the utility model;

[0023] Figure 5 It is a structural schematic diagram of the grading module of the utility model;

[0024] Figure 6 It is a blanking module structure schematic view of the utility model;

[0025] Figure 7 It is a first automatic quick jaw changing tool mounting structure schematic view of the utility model;

[0026] Figure 8 It is a Bluetooth earphone cavity opening schematic view of the utility model.

[0027] In the drawing: 1, feeding module;2, RF detection module;3, acoustic detection module;4, grading module;5, blanking module;6, first working tank;7, first synchronous conveying line;8, disc distributing mechanism;9, limiting frame;10, placing tray;11, module quick alignment mechanism;12, RF test equipment;13, six-axis manipulator;14, first automatic quick jaw changing tool;15, first tray positioning mechanism;16, second synchronous conveying line;17, automatic jaw changing library;18, quick positioning structure;19, NG bin;20, test equipment sliding mechanism;21, earphone switch tool;22, first RFID reader-writer;23, acoustic test equipment;24, second working tank;25, empty tray buffer bin;26, grading temporary tray;27, four-axis manipulator;28, second automatic quick jaw changing tool;29, tray jacking positioning mechanism;30, third synchronous conveying line;31, third automatic quick jaw changing tool;32, second RFID reader-writer;33, third working tank;34, synchronous belt conveying line body;35, tray stacking mechanism;36, stacked tray;37, ccd vision guided positioning;38, eight-station flexible jaw;39, tray suction nozzle;40, rotary clamping cylinder;41, Bluetooth earphone cavity;42, contact;43, quick-release handle. DETAILED DESCRIPTION

[0028] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0029] The utility model provides: a kind of Bluetooth earphone function test general modular automatic production line, as shown in Fig. Figures 1-8 It includes feeding module 1, RF detection module 2, acoustic detection module 3 and grading module 4 and blanking module 5;

[0030] The feeding module 1 includes first working tank 6, and the first working tank 6 top end is equipped with first synchronous conveying line 7, and the first synchronous conveying line 7 output end is provided with disc distributing mechanism 8;

[0031] The RF detection module 2 is provided with two groups, each group of the RF detection module 2 includes a group of RF test equipment 12, one side of the RF test equipment 12 is provided with a test equipment sliding mechanism 20, the front side of the RF test equipment 12 is provided with a first tray positioning mechanism 15, the output end of the first tray positioning mechanism 15 is installed with a second synchronous conveying line 16, the upper part of the first tray positioning mechanism 15 is provided with a headset switch tool 21, the upper part of the headset switch tool 21 is connected with a first six-axis mechanical hand 13, one side of the first six-axis mechanical hand 13 is installed with a first automatic quick claw changing tool 14;

[0032] The acoustic detection module 3 is provided with six groups, the grading module 4 is installed between the front four groups and the rear two groups of the six groups of acoustic detection modules 3, the acoustic detection module 3 includes a group of acoustic test equipment 23, the front side mounting structure of the acoustic test equipment 23 is the same as the front side mounting mechanism of the RF test equipment 12;

[0033] The grading module 4 includes a second working tank 24 connected to the second working tank 24 of the front four groups and the rear two groups of acoustic detection modules 3, the second working tank 24 is rotatably installed with a four-axis mechanical hand 27, the lower side of the four-axis mechanical hand 27 is provided with a second automatic quick jaw changing tool 28, the acoustic test equipment 23 is a test equipment used for detecting the acoustic performance and microphone performance of the Bluetooth earphone in earphone production, the function of the shaft mechanical hand is to take and place the product from the to-be-detected upper and lower material disc in the first material disc positioning mechanism 15, the detection position in the earphone on-off tool and the RF test equipment 12, and the NG material disc and the replenishment material disc in the NG bin 19, and to change the jaw tool after production of different models of earphones, and to perform visual guidance positioning, and to take and place the NG material disc and the replenishment material disc, the function of the automatic quick jaw changing tool is to realize the earphone taking and placing function, and the CCD visual guidance positioning, and to realize the automatic quick jaw changing tool mechanism according to different models of products, the first material disc positioning mechanism 15 is used for lifting and positioning the material disc to facilitate the taking and placing of the six-axis mechanical hand 13, and is used for storing the buffer material disc, the synchronous belt conveying line is used for transporting the material disc in the whole line, the function of the automatic quick jaw changing tool library is to store different models of automatic quick jaw changing tools to facilitate the mechanical hand to change the corresponding model of automatic quick jaw changing tool according to different models of products, the function of the module quick positioning mechanism 11 is to quickly complete positioning and quickly separate the module, so as to achieve the function of flexible scheduling, the NG bin 19 is used for storing the NG material disc and the replenishment material disc, and stacking the NG material disc, and facilitating sampling inspection in the case of batch NG, the on-off module is used for turning on the earphone before feeding and detecting the earphone, or turning off the earphone after completing the test, the function of the RFID reader and writer is to distinguish whether the process is detected, when the first material disc positioning mechanism 15 positions the to-be-detected material disc, the RFID chip information in the material disc is read to distinguish whether the same process has been detected, if not, the detection is performed, and when the detection is completed, the RFID reader and writer writes the detection information to represent that the process has been detected;Meanwhile, to facilitate understanding of the equipment's operation process, the equipment is divided into seven stations: A, B, C, D, E, F, and G. Station A is located in the first tray positioning mechanism 15 on the left side of the synchronous belt conveyor line. This is for detecting the loading and unloading of materials. The synchronous belt conveyor line moves the tray to be tested to the first tray positioning mechanism 15, lifts and positions it, and then the six-axis robot 13 picks it up and places it into the headphone power-on fixture for power-on. After that, it is placed into the RF testing equipment 12 for testing. If the test is successful, the tray is returned to the tray to be tested in station A. Station B is located in the first tray positioning mechanism 15 on the right side of the synchronous belt conveyor line. This is the tray buffer position. When there is material in station A... The synchronous belt conveyor moves the tray to be tested to station B. The first tray positioning mechanism 15 lifts and positions it as a buffer tray. After all trays at station A have been tested, the first tray positioning mechanism 15 at station B will place the tray into the synchronous belt conveyor and transport it to station A as a tray to be tested. Alternatively, when there are no products in the replenishment tray, the six-axis robot 13 will remove the buffer tray from station B and use it as a replenishment tray. The station is located in the RF testing equipment 12, which is the testing station. After the six-axis robot 13 picks up the tray from station A, it first puts it into the headphone power-on / off fixture to turn it on, and then puts it into station C for testing. After testing, the six-axis robot 13 takes it out and puts it back into the testing station. For example, when the headphone power-on / off fixture is turned off, station D is located on the left tray of the NG material bin 19. This is the replenishment tray position. When the product of the acoustic testing equipment 23 is NG, the six-axis robot 13 puts the product into the headphone power-on / off fixture after it is turned off, and then puts it into the NG material bin of station E. Then, a pair of products is taken from the replenishment tray of station D for testing. After the product is tested as good, replenishment is performed. When there is no product in the replenishment tray of station D, the six-axis robot 13 puts the empty tray into the NG material bin position of station E for use as the NG material bin. Then, the buffer tray is taken from the buffer tray position of station B and put into the replenishment tray position of station D as the replenishment tray. Station E is located in the NG material bin 19. The middle tray is the NG tray position. When the acoustic testing equipment 23 tests the product as NG, the six-axis robot 13 puts the product into the headphone on / off fixture to turn it off and then puts it into the NG tray of the E station. The F station is located on the right rear of the NG hopper 19. This is the NG sampling inspection position. The manual pulls the NG stacking position of the G station to the F station for NG sampling inspection, or when the NG tray of the G station is full, the manual is notified to remove it. The G station is located on the right side of the NG hopper 19. This is the NG stacking position. When the NG tray of the E station is full, the six-axis robot 13 takes out the NG tray of the E station and puts it into the NG stacking position of the G station for stacking.

[0034] The blanking module 5 comprises a third working box 33 installed on the output side of the grading module 4, a synchronous belt conveying line body 34 is installed on the top end of the third working box 33, a tray stacking mechanism 35 and an empty tray buffer warehouse 25 are installed on one side of the synchronous belt conveying line body 34, the empty tray buffer warehouse 25 is used to place the empty trays taken out by the four-axis manipulator 27 after the grading of the grading trays in the tray lifting positioning mechanism 29 is completed, and the stacking tray 36 is placed on the synchronous belt conveying line body 34.

[0035] The function of the grading temporary storage tray is to temporarily store the products that fail to be matched in the grading trays in the tray lifting positioning mechanism 29, and the four-axis manipulator 27 is used to take out the products that can be matched in the next tray and match them.

[0036] The function of the four-axis manipulator 27 is to read the grading information of the RFID in the grading tray in the tray lifting positioning mechanism 29, to match the products in the tray lifting positioning mechanism 29 according to the grading information, to take out the products that fail to be matched in the tray lifting positioning mechanism 29 and place them in the temporary storage tray, and to take out the products that can be matched in the next tray and match them.

[0037] The function of the automatic quick-change gripper library is to store different types of automatic quick-change gripper tools, so that the manipulator can replace the corresponding type of automatic quick-change gripper tool according to different types of products.

[0038] The first tray positioning mechanism 15 is used to lift and position the tray for easy taking and placing, and is also used as a mechanism for storing the buffer tray.

[0039] The synchronous belt conveying line is used to transport the tray in the whole line.

[0040] The function of the module quick alignment mechanism 11 is to quickly complete the positioning of the module and quickly separate it, so that it can be flexibly scheduled.

[0041] The function of the automatic quick-change gripper tool is to realize the earphone taking and placing function, the CCD vision guided positioning function, and the automatic quick-change gripper tool mechanism according to different types of products.

[0042] As a preferred, the first synchronous conveying line 7 is stacked with a placing tray 10, the placing tray 10 moves to the limiting frame 9 on the upper part of the tray separating mechanism 8, and is sent to the upper surface of the first tray positioning mechanism 15 in the RF detection module 2, the placing tray 10 is stably sent out by the first synchronous conveying line 7 and the tray separating mechanism 8, and the smoothness of the device for earphone testing is guaranteed.

[0043] Further, the first tray positioning mechanism 15 is provided with a second synchronous conveying line 16 at one end, and an automatic clamp jaw changing library 17 is installed outside the first tray positioning mechanism 15. An NG bin 19 is installed on one side of the automatic clamp jaw changing library 17 outside the first tray positioning mechanism 15. A first RFID reader / writer 22 is installed outside the first tray positioning mechanism 15, which is used to store NG trays and replenishment trays, and is used to facilitate sampling inspection in the case of batch NG. The RFID reader / writer is used to distinguish whether the process has been detected. When the first tray positioning mechanism 15 positions the tray to be detected, the RFID chip information in the tray is read to distinguish whether the same process has been detected. If it has not been detected, detection is performed. After detection is completed, the RFID reader / writer writes detection information to represent that the process has been detected. The automatic clamp jaw changing library 17 is used to sample and inspect the tray to achieve the test purpose.

[0044] Further, two groups of third synchronous conveying lines 30 are installed at the top of the second working box 24. A grading temporary storage tray 26 is installed on one side of the four-axis manipulator 27 on the upper part of the second working box 24. A third automatic quick jaw changing tool 31 is installed on the upper part of the second working box 24. The second working box 24 is used to limit the four-axis manipulator 27. The four-axis manipulator 27 is used to control the transfer of the tray. The empty tray buffer bin 25 is used to store the empty trays generated after the grading of the grading tray positioning mechanism 29. The grading temporary storage tray is used to temporarily store the products that fail to be matched in the grading tray of the tray lifting positioning mechanism 29. The four-axis manipulator 27 is used to read the grading information of the RFID in the grading tray in the tray lifting positioning mechanism 29. According to the grading information, the products are matched and placed in the grading tray in the tray lifting positioning mechanism 29. When the products in the tray lifting positioning mechanism fail to be matched, they are taken out and placed in the temporary storage tray. When the products in the next tray can be matched, they are taken out and matched.

[0045] As explained above, one group of third synchronous conveying lines 30 on the upper part of the second working box 24 corresponds to the installation of an empty tray buffer bin 25 on the input side of the tray 10. Another group of third synchronous conveying lines 30 on the upper part of the second working box 24 corresponds to the installation of a tray lifting positioning mechanism 29 on the output position of the third synchronous conveying line 30. Two groups of third synchronous conveying lines 30 are installed outside the second RFID reader / writer 32.

[0046] Specific, the upper feeding module 1 and the lower feeding module 5 lower part one side respectively install two groups of first module quick alignment mechanism 11, each group of the RF detection module 2 and the acoustic detection module 3 and the sub-grade module 4 lower part one side respectively install two groups of quick positioning structure 18.

[0047] In addition, the first automatic quick jaw changer tool 14, the second automatic quick jaw changer tool 28 and the third automatic quick jaw changer tool 31 one side is equipped with ccd vision guided positioning 37, the other side of the first automatic quick jaw changer tool 14, the second automatic quick jaw changer tool 28 and the third automatic quick jaw changer tool 31 is equipped with eight stations flexible jaw 38, the first automatic quick jaw changer tool 14, the second automatic quick jaw changer tool 28 and the third automatic quick jaw changer tool 31 lower part is movably installed with material disc suction nozzle 39, CCD vision guided positioning is used for the whole line to change the production product and needs to change new tool, CCD vision is used to guide and position automatically with the tool and the material disc after changing, automatic quick change disc is used for the whole line to change the production product, and the mechanical hand can automatically change the jaw, which saves a lot of manual changing time. Double row eight stations flexible jaw 38 can simultaneously take and place earphone and can be compatible with products with little appearance change. Material disc suction nozzle is used for taking and placing NG material disc stack and replenishment material disc.

[0048] Specific, the earphone switch tool 21 includes a mounting plate mounted on one side of the automatic jaw changer library 17, four groups of rotary clamping cylinders 40 are symmetrically mounted on the upper surface of the mounting plate, a plurality of Bluetooth earphone cavities 41 are formed between the four groups of rotary clamping cylinders 40, a contact 42 is formed on one side of each group of the Bluetooth earphone cavities 41, and a plurality of quick-release handles 43 are mounted on both sides of the mounting plate. The rotary clamping cylinder 40 is used to press the earphone into the Bluetooth earphone cavity 41. The Bluetooth earphone cavity 41 is the main body of the Bluetooth earphone switch module, which is used to position the Bluetooth earphone to connect the contact point 42 of the Bluetooth earphone. The contact 42 is connected with the controller through the contact 42 to control the Bluetooth earphone. The quick-release handle 43 is used for convenient public quick replacement.

[0049] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A universal modular automatic production line for testing Bluetooth earphone functions, characterized in that: Including feeding module (1), RF detection module (2), acoustic detection module (3) and grading module (4) and unloading module (5); The feeding module (1) comprises a first working box (6), a first synchronous conveying line (7) is installed at the top of the first working box (6), and a disc separating mechanism (8) is arranged at the output end of the first synchronous conveying line (7); The RF detection module (2) is provided with two groups, each group of the RF detection module (2) comprises a group of RF test equipment (12), a test equipment sliding mechanism (20) is installed on one side of the RF test equipment (12), a first tray positioning mechanism (15) is arranged at the front side of the RF test equipment (12), a second synchronous conveying line (16) is installed at the output end of the first tray positioning mechanism (15), an earphone switch tool (21) is arranged on the upper portion of the first tray positioning mechanism (15), a first six-axis mechanical hand (13) is connected and installed on the upper portion of the earphone switch tool (21), and a first automatic quick claw changing tool (14) is installed on one side of the first six-axis mechanical hand (13); The acoustic detection module (3) is provided with six groups, the grading module (4) is installed between the front four groups and the rear two groups of the six groups of acoustic detection modules (3), and the acoustic detection module (3) comprises a group of acoustic test equipment (23), and the front side mounting structure of the acoustic test equipment (23) is same as the front side mounting mechanism of the RF test equipment (12); The grading module (4) comprises a second working box (24) connected with the second working boxes (24) of the front four groups and the rear two groups of acoustic detection modules (3), the second working box (24) is rotatably installed with a four-axis mechanical hand (27), and the lower side of the four-axis mechanical hand (27) is provided with a second automatic quick claw changing tool (28); The unloading module (5) comprises a third working box (33) installed at the output side of the grading module (4), a synchronous belt conveying line body (34) is installed at the top of the third working box (33), and a tray stacking mechanism (35) is installed on one side of the synchronous belt conveying line body (34).

2. The universal modular automatic production line for testing the function of Bluetooth earphones according to claim 1, characterized in that: The first synchronous conveying line (7) is provided with a placing tray (10) stacked on the upper portion, the placing tray (10) is moved into a limiting frame (9) on the upper portion of the disc separating mechanism (8) and sent to the upper surface of the first tray positioning mechanism (15) in the RF detection module (2).

3. The universal modular automatic production line for testing the function of Bluetooth earphones according to claim 2, characterized in that: One end of the first tray positioning mechanism (15) is provided with a second synchronous conveying line (16), an automatic claw changing library (17) is installed on the outer side of the first tray positioning mechanism (15), an NG bin (19) is installed on one side of the automatic claw changing library (17) on the outer side of the first tray positioning mechanism (15), and a first RFID reader / writer (22) is installed on the outer side of the first tray positioning mechanism (15).

4. The universal modular automatic production line for testing the function of Bluetooth earphones according to claim 3, characterized in that: The second working box (24) is provided with two groups of vertically installed third synchronous conveying lines (30) at the top, a grading temporary storage tray (26) is installed on the upper portion of the second working box (24) on one side of the four-axis mechanical hand (27), and a third automatic quick claw changing tool (31) is installed on the upper portion of the second working box (24).

5. The universal modular automatic production line for testing the function of Bluetooth earphones according to claim 4, characterized in that: The third synchronous conveying line (30) of one group on the upper part of the second working box (24) is provided with an empty tray buffer bin (25) installed at the input side of the corresponding tray (10), and the third synchronous conveying line (30) of another group on the upper part of the second working box (24) is provided with a tray jacking positioning mechanism (29) installed at the output position of the corresponding third synchronous conveying line (30). The outer side of the two groups of third synchronous conveying lines (30) is provided with a second RFID reader / writer (32).

6. The universal modular automatic production line for testing the function of Bluetooth earphones according to claim 5, characterized in that: The upper feeding module (1) and the lower discharging module (5) are respectively provided with two groups of first module quick alignment mechanisms (11) on one side of the lower part, and each group of the RF detection module (2) and the acoustic detection module (3) and the grading module (4) are respectively provided with two groups of quick positioning structures (18) on one side of the lower part.

7. The universal modular automatic production line for testing the function of Bluetooth earphones according to claim 6, characterized in that: The first automatic quick jaw changing tool (14), the second automatic quick jaw changing tool (28) and the third automatic quick jaw changing tool (31) are provided with a ccd visual guidance positioning (37) on one side, and are provided with an eight-station flexible clamping jaw (38) on the other side. The first automatic quick jaw changing tool (14), the second automatic quick jaw changing tool (28) and the third automatic quick jaw changing tool (31) are movably provided with a tray suction nozzle (39) on the lower part.

8. The universal modular automatic production line for testing the function of Bluetooth earphones according to claim 7, characterized in that: The earphone switch tool (21) comprises a mounting plate mounted on one side of the automatic jaw changing tool library (17), and four groups of rotary clamping air cylinders (40) are symmetrically mounted on the upper surface of the mounting plate. A plurality of groups of Bluetooth earphone cavities (41) are formed between the four groups of rotary clamping air cylinders (40), a touch point (42) is formed on one side of each group of Bluetooth earphone cavities (41), and a plurality of groups of quick release handles (43) are mounted on both sides of the mounting plate.

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