CN219201776U

CN219201776U - Four-station testing machine

Info

Publication number: CN219201776U
Application number: CN202320171847.0U
Authority: CN
Inventors: 邱勇涛
Original assignee: Shenzhen Jiadujia Electronic Technology Co ltd
Current assignee: Shenzhen Jiadujia Electronic Technology Co ltd
Priority date: 2023-01-29
Filing date: 2023-01-29
Publication date: 2023-06-16
Anticipated expiration: 2033-01-29

Abstract

The utility model relates to a four-station testing machine, including workstation and carousel, the carousel rotates and sets up on the workstation, is provided with four trays on the carousel, and the tray is used for location clamping circuit board, and carousel rotation can drive the tray and rotate, is provided with first station, second station, third station and fourth station on the carousel all around, is provided with feed mechanism on the first station, is provided with inductance test module on the second station, is provided with pressure test module on the third station, is provided with feed mechanism on the fourth station. The circuit board testing device has the effects of reducing the time spent on auxiliary actions and improving the testing efficiency of the circuit board.

Description

Four-station testing machine

Technical Field

The application relates to the technical field of test equipment, in particular to a four-station test machine.

Background

In the production process of the circuit board, in order to ensure the service performance of the circuit board, inductance test and voltage withstand test are required to be carried out on each manufactured circuit board, the circuit board which is qualified in both the inductance test and the voltage withstand test is screened out, and the circuit board flows to the next procedure for processing.

In the related art, a worker needs to place circuit boards one by one in inductance test equipment to conduct positioning and clamping, inductance performance detection is conducted on the circuit boards through the inductance test equipment, after detection is finished, the worker takes out qualified products of the inductance test, then transfers the circuit boards to pressure test equipment to conduct positioning and clamping, pressure resistance performance detection is conducted on the circuit boards through the pressure test equipment, after detection is finished, the worker takes out qualified products of the pressure resistance test, and transfers the products to the next procedure to conduct treatment.

According to the related technology, when each circuit board is subjected to inductance performance detection, the circuit board is required to be transported from the raw material box to the inductance test equipment for one-time positioning and testing, when the circuit board is subjected to pressure resistance performance detection, the circuit board is required to be transported to another test equipment for repositioning and testing, and good products are transported to the material receiving box for collection, so that when the circuit board is tested, the circuit board is required to be repeatedly positioned, and is required to be transported manually for many times, the auxiliary action takes much time, and the problem of low testing efficiency of the circuit board is caused.

Disclosure of Invention

In order to reduce the time spent for auxiliary actions and improve the testing efficiency of a circuit board, the application provides a four-station testing machine.

The application provides a quadruplex position test machine adopts following technical scheme:

the four-station testing machine comprises a workbench and a turntable, wherein the turntable is rotationally arranged on the workbench, four trays are arranged on the turntable and used for positioning and clamping a circuit board, the turntable can be rotationally driven by the turntable to rotate, a first station, a second station, a third station and a fourth station are arranged on the periphery of the turntable, a feeding mechanism is arranged on the first station, an inductance testing module is arranged on the second station, a pressure testing module is arranged on the third station, and a discharging mechanism is arranged on the fourth station.

Through adopting above-mentioned technical scheme, when needs carry out the test, the carousel rotates and can drive the tray to rotate between first station, second station, third station and fourth station, and feed mechanism is transported the circuit board on the tray and is carried out the location clamping on first station, and inductance test module carries out inductance test to the circuit board on the tray on the second station, and pressure test module carries out withstand voltage test to the circuit board on the tray on the third station, and unloading mechanism is rotated away the circuit board from the tray on fourth station, accomplishes the test procedure to the circuit board; in the testing process of the circuit board, the circuit board only needs to be positioned and clamped once at the first station, then the circuit board is transported to the second station and the third station through the rotary table for testing, and the positioning and clamping times are reduced, so that the assisting action time is reduced, the testing efficiency of the circuit board is further improved, in addition, the four stations synchronously work, the circuit board on the four trays can be simultaneously acted, the average testing time of the circuit board is reduced, and the testing efficiency of the circuit board is further improved.

The feeding mechanism comprises a raw material box and a feeding robot, wherein the raw material box is arranged on one side of the rotary table, the raw material box contains a plurality of circuit boards to be tested, and the feeding robot is used for transferring the circuit boards in the raw material box to the tray of the first station.

Through adopting above-mentioned technical scheme, when the tray needs the material loading, hold a plurality of circuit boards that wait to test in the feed bin, loading robot is transported the circuit board in the feed bin to the tray of first station on carry out the location clamping to realize automatic feeding function, help improving the test efficiency of circuit board.

The inductance test module comprises a first guide post, a first fixed plate, a first lifting table and an inductance test plate, wherein the first guide post is arranged on the workbench, the first fixed plate and the first lifting table are sleeved on the first guide post, the first lifting table is slidably connected to the first guide post, the first fixed plate is arranged right above the second station, the first lifting table is arranged right below the second station, the inductance test plate is arranged on one surface, close to the first fixed plate, of the first lifting table, and a test coil is arranged in the inductance test plate and used for conducting inductance test on the circuit board and outputting inductance test data.

Through adopting above-mentioned technical scheme, when needing to carry out the inductance test, the tray is transported to the second station, and first elevating platform drive inductance test board rises, and inductance test board drive tray butt is fixed behind first fixed plate, and test coil in the inductance test board carries out the inductance test to the circuit board and exports inductance test data to realize the inductance test to the circuit board at the second station.

The pressure test module comprises a second guide post, a second fixed plate, a second lifting table and a pressure test plate, wherein the second guide post is arranged on the workbench, the second fixed plate and the second lifting table are sleeved on the second guide post, the second lifting table is slidably connected to the second guide post, the second fixed plate is arranged right above the third station, the second lifting table is arranged right below the third station, the pressure test plate is arranged on one surface, close to the second fixed plate, of the second lifting table, and a test probe is arranged in the pressure test plate and used for conducting pressure resistance test on the circuit board and outputting pressure test data.

Through adopting above-mentioned technical scheme, when needing to carry out withstand voltage test, the tray is transported to the third station, and second elevating platform drive pressure test board rises, and pressure test board drive tray butt is fixed behind the second fixed plate, and test probe in the pressure test board carries out withstand voltage test and output pressure test data to the circuit board to the withstand voltage test to the circuit board is realized at the third station.

The blanking mechanism comprises a blanking robot and a material receiving box, wherein the material receiving box is arranged on one side of the fourth station, and the blanking robot is used for transferring a circuit board on the fourth station to the material receiving box for collection.

Through adopting above-mentioned technical scheme, when the tray needs to carry out the unloading, the tray is transported to fourth station, and unloading robot snatchs the circuit board that the tray was gone up to the test to transport the work to collecting in the receipts workbin, thereby realize automatic unloading function.

The receiving box is provided with a first bin, a second bin, a third bin and a fourth bin, and the discharging robot can transfer the circuit boards to the receiving box in a classified mode.

Through adopting above-mentioned technical scheme, when the circuit board that the test was accomplished is collected to needs, the unloading robot can classify the circuit board, and the unloading robot places the circuit board that inductance test and pressure test are all qualified in first bin, places the circuit board that only inductance test is qualified in the second bin, places the circuit board that only pressure test is qualified in the third bin, places the circuit board that inductance test and pressure test are all unqualified in the fourth bin to can carry out classified collection to the circuit board of different test results.

The tray is provided with a plurality of mounting grooves which are used for limiting the offset of the circuit board relative to the tray.

Through adopting above-mentioned technical scheme, when needs location circuit board, the circuit board is installed in the mounting groove on the tray, and the mounting groove can restrict the skew of circuit board for the tray to with circuit board location clamping on the tray, be favorable to improving the positioning accuracy of circuit board, in addition, a plurality of mounting grooves can make a plurality of circuit boards of location clamping on the same tray, thereby increase the circuit board quantity that single station can test, reduce the average test time of circuit board, be favorable to improving the test efficiency of circuit board.

The rotary table is provided with a locating pin, the tray is provided with a locating hole, and the locating pin is inserted into the locating hole.

Through adopting above-mentioned technical scheme, when needs location tray, peg graft the locating pin of carousel in the locating hole of tray, make the tray only can remove along the axis direction of carousel to restricted the position offset of tray along carousel circumference, and then made the tray rotate to the location of different stations more accurate, be favorable to improving the location accuracy of circuit board for different stations.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the circuit board needs to be tested, the feeding mechanism installs the circuit board on a tray of a first station for clamping and positioning, then rotates through a turntable, transfers the tray to a second station for conducting inductance test on the circuit board through an inductance test module, transfers the tray to a third station for conducting pressure test on the circuit board through a pressure test module, and finally transfers the tray to a fourth station for conducting transfer collection through a blanking mechanism, so that multiple tests can be conducted through one-time positioning, positioning time is shortened, and testing efficiency of the circuit board is improved;

2. when the circuit boards need to be positioned, the tray is provided with a plurality of mounting grooves, the circuit boards are positioned and clamped in the mounting grooves, and a plurality of circuit boards can be installed and positioned on one tray, so that each station can process a plurality of circuit boards at the same time, and the testing efficiency of the circuit boards is improved;

3. when the tray needs to rotate, the locating pins on the rotary table are inserted into the locating holes on the tray, so that the offset of the tray relative to the rotary table can be limited, and the tray on each station can be located more accurately.

Drawings

FIG. 1 is a schematic diagram of an overall structure of a four-station tester according to an embodiment of the present application.

Fig. 2 is a schematic diagram of a four-station tester according to an embodiment of the present application.

Fig. 3 is a schematic diagram of the overall structure of the turntable according to the embodiment of the application.

Reference numerals illustrate: 1. a work table; 2. a turntable; 20. a bracket; 21. a positioning pin; 3. a tray; 31. positioning holes; 32. a mounting groove; 4. a first station; 40. a feeding mechanism; 41. a raw material box; 42. a feeding robot; 5. a second station; 50. an inductance test module; 51. a first guide post; 52. a first fixing plate; 53. a first elevating platform; 54. an inductance test board; 541. a test coil; 6. a third station; 60. a pressure testing module; 61. a second guide post; 62. a second fixing plate; 63. a second lifting table; 64. a pressure test plate; 641. a test probe; 7. a fourth station; 70. a blanking mechanism; 71. a blanking robot; 72. a material receiving box; 721. a first chamber; 722. a second chamber; 723. a third chamber; 724. and a fourth chamber.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

The embodiment of the application discloses a four-station testing machine. Referring to fig. 1 and 2, the four-station testing machine comprises a workbench 1 and a turntable 2, the turntable 2 is mounted on the workbench 1, in this embodiment, the surface of the turntable 2 is square, a first station 4, a second station 5, a third station 6 and a fourth station 7 are arranged around the turntable 2, a tray 3 is fixedly mounted around the turntable 2, the tray 3 is rectangular, a plurality of mounting grooves 32 are regularly arranged in the plane of the tray 3, the mounting grooves 32 are cross grooves, the circuit board can be transversely or vertically positioned and clamped in the mounting grooves 32, and a plurality of circuit boards are positioned and clamped on each tray 3. The carousel 2 rotates 90 at every turn, can drive tray 3 to carry a plurality of circuit boards to rotate and act in next station, can replace the manual work of circuit board between a plurality of test equipment to transport, reduces the transfer time, and every station can act on a plurality of circuit boards on tray 3 simultaneously in addition to can promote efficiency of software testing.

Referring to fig. 3, a bracket 20 is integrally formed around the tray surface, the bracket is in a U shape, positioning pins 21 are integrally formed on two sides of each

bracket

20, 3 positioning pins 21 are arranged on each side, positioning holes 31 corresponding to the number and the positions of the positioning pins 21 are formed on two sides of the tray 3, the positioning pins 21 are inserted into the positioning holes 31, and the offset of each tray 3 relative to the corresponding bracket can be limited, so that the tray 3 rotates to the next station along with the turntable 2 more accurately.

Referring to fig. 1 and 2, a loading mechanism 40 is installed on the first station 4, the loading mechanism 40 includes a raw material box 41 and a loading robot 42, the raw material box 41 accommodates a circuit board to be tested, the loading robot 42 is a four-axis robot, the loading robot 42 grabs the circuit boards one by one from the raw material box 41 and places the circuit boards in the mounting groove 32 of the tray 3 of the first station 4, and the loading robot 42 repeatedly grabs the circuit boards in the raw material box 41 and gradually stacks the circuit boards in the mounting grooves 32, so that the circuit boards can be clamped and positioned on one material board.

Referring to fig. 1 and 2, an inductance test module 50 is mounted on the second station 5, and the inductance test module 50 includes a first guide post 51, a first fixing plate 52, a first elevating table 53, and an inductance test plate 54. The first guide post 51 is fixedly connected to the surface of the workbench 1, the first fixing plate 52 is fixedly installed at the top end of the first guide post 51, the first fixing plate 52 is located right above the tray 3 of the second station 5, the first lifting table 53 is slidably sleeved on the first guide post 51, the first lifting table 53 is located right below the tray 3 of the second station 5, the first lifting table 53 is driven to lift through an air cylinder, the top surface of the first lifting table 53 is fixedly installed with the inductance test plate 54, a plurality of test coils 541 are arranged on the inductance test plate 54, the test coils 541 in the embodiment are rod-shaped coils, and the positions of the test coils 541 correspond to the positions of the mounting grooves 32 on the tray 3. The first lifting table 53 is lifted, so that the inductance test board 54 can be driven to be abutted against the tray 3 and the material board can be driven to lift, the tray 3 is lifted, the top surface of the tray 3 is stopped when being abutted against the bottom surface of the first fixing plate 52, the test coil 541 is inserted into the round hole of the circuit board, and inductance test data of the circuit board can be obtained.

Referring to fig. 1 and 2, a pressure test module 60 is installed on the third station 6, and the pressure test module 60 includes a second guide post 61, a second fixing plate 62, a second elevating table 63, and a pressure test plate 64. The second guide post 61 is fixedly connected to the surface of the workbench 1, the second fixing plate 62 is fixedly installed at the top end of the second guide post 61, the second fixing plate 62 is located right above the tray 3 of the third station 6, the second lifting platform 63 is slidably sleeved on the second guide post 61, the second lifting platform 63 is located right below the tray 3 of the third station 6, the second lifting platform 63 is driven to lift through a cylinder, the top surface of the second lifting platform 63 is fixedly installed with a pressure test plate 64, a plurality of test probes 641 are arranged on the pressure test plate 64, the test probes 641 in the embodiment are pressure test probes 641, and the positions of the pressure test probes 641 correspond to the positions of the mounting grooves 32 on the tray 3. The second lifting table 63 is lifted, so that the pressure test board 64 can be driven to abut against the tray 3 and the material plate is driven to lift, the tray 3 is lifted, the top surface of the tray 3 is stopped when abutting against the bottom surface of the second fixing plate 62, the pressure probe abuts against the surface of the circuit board, and the pressure test data of the circuit board can be obtained.

Referring to fig. 1 and 2, a discharging mechanism 70 is mounted on the fourth station 7, the discharging mechanism 70 includes a discharging robot 71 and a receiving box 72, and an inner cavity of the receiving box 72 is partitioned into a first chamber 721, a second chamber 722, a third chamber 723 and a fourth chamber 724. The blanking robot 71 in this embodiment is a four-axis robot, and the blanking robot 71 can distinguish the circuit boards on the tray 3 of the fourth station 7 according to the inductance test data of the second station 5 and the pressure test data of the third station 6, transfer the circuit boards qualified in both inductance and pressure to the first chamber 721, transfer the circuit boards qualified in only inductance test to the second chamber 722, transfer the circuit boards qualified in only pressure test to the third chamber 723, and transfer the circuit boards unqualified in both inductance and pressure to the fourth chamber 724. So that the circuit boards collecting different test results can be distinguished by the bin 72.

The implementation principle of the four-station testing machine in the embodiment of the application is as follows: when the circuit board needs to be tested, the turntable 2 rotates to drive the tray 3 to rotate at different stations, the feeding robot 42 sequentially stacks a plurality of circuit boards into the plurality of mounting grooves 32 on the tray 3 of the first station 4 for positioning and clamping, the second lifting table 63 drives the inductance test board 54 to be close to the tray 3 of the second station 5, the test coil 541 is inserted into the circuit board, inductance test is performed on the circuit board and inductance test data are obtained, the third lifting table drives the pressure test board 64 to be close to the tray 3 of the third station 6, the test probe 641 is abutted to the surface of the circuit board, pressure test is performed on the circuit board and pressure test data are obtained, the blanking robot 71 grabs and transfers the circuit boards in the tray 3 on the fourth station 7 into the material receiving box 72 for distinguishing and collecting according to the inductance test data and the pressure test data, in addition, the four stations synchronously perform actions on the circuit boards on the four trays 3 simultaneously, so that average processing time of each circuit board is reduced, and test efficiency of the circuit board is improved.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. Four-station testing machine, its characterized in that: including workstation (1) and carousel (2), carousel (2) rotate set up in on workstation (1), be provided with four trays (3) on carousel (2), tray (3) are used for location clamping circuit board, carousel (2) rotate can drive tray (3) rotate, be provided with first station (4), second station (5), third station (6) and fourth station (7) all around on carousel (2), be provided with feed mechanism (40) on first station (4), be provided with inductance test module (50) on second station (5), be provided with pressure test module (60) on third station (6), be provided with feed mechanism (70) on fourth station (7).

2. The four-station tester according to claim 1, wherein: the feeding mechanism (40) comprises a raw material box (41) and a feeding robot (42), wherein the raw material box (41) is arranged on one side of the rotary table (2), the raw material box (41) contains a plurality of circuit boards to be tested, and the feeding robot (42) is used for transferring the circuit boards in the raw material box (41) to the tray (3) of the first station (4).

3. The four-station tester according to claim 1, wherein: the inductance test module (50) comprises a first guide post (51), a first fixed plate (52), a first lifting table (53) and an inductance test plate (54), wherein the first guide post (51) is arranged on the workbench (1), the first fixed plate (52) and the first lifting table (53) are sleeved on the first guide post (51), the first lifting table (53) is slidably connected to the first guide post (51), the first fixed plate (52) is arranged right above the second station (5), the first lifting table (53) is arranged right below the second station (5), the inductance test plate (54) is arranged on one side, close to the first fixed plate (52), of the first lifting table (53), a test coil (541) is arranged in the inductance test plate (54), and the test coil (541) is used for conducting inductance test on the circuit board and outputting test data.

4. The four-station tester according to claim 1, wherein: the pressure test module (60) comprises a second guide column (61), a second fixing plate (62), a second lifting table (63) and a pressure test plate (64), wherein the second guide column (61) is arranged on the workbench (1), the second fixing plate (62) and the second lifting table (63) are sleeved on the second guide column (61), the second lifting table (63) is slidably connected onto the second guide column (61), the second fixing plate (62) is arranged right above the third station (6), the second lifting table (63) is arranged right below the third station (6), the pressure test plate (64) is arranged on one surface of the second lifting table (63) close to the second fixing plate (62), a test probe (641) is arranged in the pressure test plate (64) and is used for testing a circuit board and outputting pressure test data.

5. The four-station tester according to claim 1, wherein: the blanking mechanism (70) comprises a blanking robot (71) and a material receiving box (72), the material receiving box (72) is arranged on one side of the fourth station (7), and the blanking robot (71) is used for transferring a circuit board on the fourth station (7) to the material receiving box (72) for collection.

6. The four-station tester according to claim 5, wherein: the material receiving box (72) is provided with a first bin (721), a second bin (722), a third bin (723) and a fourth bin (724), and the material discharging robot (71) can transfer circuit boards into the material receiving box (72) in a classified mode.

7. The four-station tester according to any one of claims 1-6, wherein: the tray (3) is provided with a plurality of mounting grooves (32), and the mounting grooves (32) are used for limiting the offset of the circuit board relative to the tray (3).

8. The four-station tester according to claim 7, wherein: the rotary table (2) is provided with a locating pin (21), the tray (3) is provided with a locating hole (31), and the locating pin (21) is inserted into the locating hole (31).