CN219799669U - Automatic circuit board testing machine - Google Patents
Automatic circuit board testing machine Download PDFInfo
- Publication number
- CN219799669U CN219799669U CN202320682327.6U CN202320682327U CN219799669U CN 219799669 U CN219799669 U CN 219799669U CN 202320682327 U CN202320682327 U CN 202320682327U CN 219799669 U CN219799669 U CN 219799669U
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- module
- circuit board
- suction nozzle
- feeding
- discharging
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- 238000012360 testing method Methods 0.000 title claims abstract description 71
- 238000007599 discharging Methods 0.000 claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims description 24
- 230000000712 assembly Effects 0.000 claims description 16
- 238000000429 assembly Methods 0.000 claims description 16
- 230000002950 deficient Effects 0.000 claims description 7
- 239000000523 sample Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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- Tests Of Electronic Circuits (AREA)
Abstract
The utility model aims to provide an automatic circuit board testing machine which can realize automatic loading and unloading of a circuit board and automatic testing of the circuit board. The automatic feeding and discharging machine comprises a machine base, a testing mechanism and a feeding and discharging mechanism, wherein the testing mechanism and the feeding and discharging mechanism are arranged on the machine base, the feeding and discharging mechanism comprises a linear module, a suction nozzle module, a feeding and conveying module and a discharging and conveying module, the linear module is arranged on the machine base, the suction nozzle module is arranged at the movable end of the linear module, the suction nozzle module is matched with the testing station of the testing mechanism, and the feeding and conveying module and the discharging and conveying module are arranged below the suction nozzle module. The utility model is applied to the technical field of testers.
Description
Technical Field
The utility model is applied to the technical field of testers, and particularly relates to an automatic circuit board tester.
Background
At present, the circuit board needs to be subjected to corresponding function detection through test equipment before leaving the factory, so that the yield of the circuit board leaving the factory is improved. During testing, the circuit board is placed in the test carrier, then the test needle plate is driven to move downwards, so that the test probes on the test needle plate are contacted with the test points on the circuit board, and finally the circuit board is tested. Although the traditional test equipment improves the test speed of the circuit board, the circuit board still needs to be fed in a manual mode in the test process, and the circuit board which is tested cannot be subjected to centralized blanking, so that the work efficiency is not high enough.
An existing patent document with publication number of CN210005639U proposes an automatic circuit board testing device, which is composed of two groups of testing devices, a control device is adopted to control a power device, and the power device drives a pressing plate to press down, so that a probe tests the circuit board. Although the automatic test of the circuit board is realized, the circuit board is fed and discharged in a manual mode, and the degree of automation is low.
Disclosure of Invention
The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing an automatic circuit board testing machine which can realize automatic loading and unloading of a circuit board and automatic testing of the circuit board.
The technical scheme adopted by the utility model is as follows: the automatic feeding and discharging machine comprises a machine base, a testing mechanism and a feeding and discharging mechanism, wherein the testing mechanism and the feeding and discharging mechanism are arranged on the machine base, the feeding and discharging mechanism comprises a linear module, a suction nozzle module, a feeding and conveying module and a discharging and conveying module, the linear module is arranged on the machine base, the suction nozzle module is arranged at the movable end of the linear module, the suction nozzle module is matched with the testing station of the testing mechanism, and the feeding and conveying module and the discharging and conveying module are arranged below the suction nozzle module.
Further, the feeding conveying module and the discharging conveying module comprise a base, a jacking assembly, a first motor, a transmission shaft and two belt transmission assemblies, wherein the jacking assembly and the two belt transmission assemblies are arranged on the base, the jacking assembly is located between the two belt transmission assemblies, the two belt transmission assemblies are connected through the transmission shaft, and an output shaft of the first motor is connected with the transmission shaft.
Further, the jacking component comprises a vertical plate, a second motor, a screw rod nut and a supporting plate, wherein the vertical plate is arranged on the base, the second motor is arranged on the vertical plate, one end of the screw rod is connected with an output shaft of the second motor, the screw rod nut is in threaded fit with the screw rod, a mounting block is arranged on the vertical plate, the other end of the screw rod is in rotary fit with the mounting block, and the supporting plate is connected with the screw rod nut.
Further, the automatic circuit board testing machine further comprises a positioning module, the positioning module comprises a supporting frame, an X-axis side pushing assembly and a Y-axis side pushing assembly, the supporting frame is vertically arranged on the base, the X-axis side pushing assembly and the Y-axis side pushing assembly comprise side pushing air cylinders and buffer blocks, the side pushing air cylinders are arranged on the supporting frame, the buffer blocks are connected with an output shaft of the side pushing air cylinders, a first baffle plate and a second baffle plate are arranged on the supporting plate, the first baffle plate is arranged along the X-axis direction, the second baffle plate is arranged along the Y-axis direction, and the two buffer blocks are respectively arranged opposite to the first baffle plate and the second baffle plate.
Further, the suction nozzle module comprises a mounting plate and two suction nozzle assemblies, wherein the mounting plate is arranged at the movable end of the linear module, the suction nozzle assemblies comprise a lower pressing cylinder, a fixing frame and a plurality of suction nozzles, the lower pressing cylinder is arranged on the mounting plate, the fixing frame is connected with an output shaft of the lower pressing cylinder, and the suction nozzles are arranged on the fixing frame.
Further, the testing mechanism comprises a frame, a pressing cylinder, a needle plate and a carrier, wherein the pressing cylinder and the carrier are arranged on the frame, the needle plate is connected with the output end of the pressing cylinder, a plurality of testing probes are arranged on the needle plate, and the carrier is positioned below the needle plate.
Further, the automatic circuit board testing machine further comprises a defective product conveying line, and the defective product conveying line is arranged between the feeding conveying module and the discharging conveying module.
The beneficial effects of the utility model are as follows: when the circuit board is required to be tested, the linear module is driven to enable the first suction nozzle assembly to move to the feeding conveying module to take materials, a large number of circuit boards to be tested are stacked on the feeding conveying module, then the second suction nozzle assembly is driven to suck the circuit boards which are tested in the testing mechanism, the first suction nozzle assembly is used for placing the circuit boards to be tested in the testing mechanism for performance testing, the second suction nozzle assembly is used for placing the circuit boards which are tested on the discharging conveying module for stacking, and when a certain amount of circuit boards are stacked, the discharging conveying module is used for carrying out centralized discharging on the circuit boards. Therefore, compared with the traditional automatic circuit board testing equipment, the automatic circuit board testing equipment not only realizes automatic testing of the circuit board, but also realizes automatic loading and unloading of the circuit board, and can intensively unload the circuit board after the circuit board subjected to testing is stacked to a certain amount, thereby greatly improving the working efficiency.
Drawings
FIG. 1 is a top view of the present utility model;
FIG. 2 is a front view of the test mechanism;
FIG. 3 is a side view of the jacking assembly;
FIG. 4 is a top view of the positioning module and the pallet;
figure 5 is a side view of the nozzle module.
Detailed Description
As shown in fig. 1 to 5, in this embodiment, the present utility model includes a base, a testing mechanism 1, and a loading and unloading mechanism, where the testing mechanism 1 and the loading and unloading mechanism are both disposed on the base, the loading and unloading mechanism includes a linear module 2, a suction nozzle module 3, a loading and unloading conveying module, the linear module 2 is disposed on the base, the suction nozzle module 3 is disposed at a movable end of the linear module 2, the suction nozzle module 3 and the testing station of the testing mechanism 1 are adapted, and the loading and unloading conveying modules are both disposed below the suction nozzle module 3. The feeding conveying module is used for conveying the circuit board to be tested; and the blanking conveying module is used for conveying the circuit board which has been tested.
In this embodiment, the feeding conveying module and the discharging conveying module all include a base, a jacking component, a first motor 4, a transmission shaft 5 and two belt transmission components 6, the jacking component and the two belt transmission components 6 are all arranged on the base, the jacking component is located between the two belt transmission components 6, the two belt transmission components 6 are connected through the transmission shaft 5, and an output shaft of the first motor 4 is connected with the transmission shaft 5. The two belt transmission assemblies 6 comprise supporting seats, belts, driving wheels and driven wheels, the driving wheels and the driven wheels are in rotary fit on the supporting seats, and the driving wheels and the driven wheels are connected through the belts; the driving wheels of the two belt transmission assemblies 6 are connected through the transmission shaft 5; when the belt conveyor is in operation, the two driving wheels can rotate through the driving of the first motor 4, so that the two belts can convey the circuit board.
In this embodiment, the jacking component includes riser 7, second motor 8, lead screw 9, screw nut 10 and layer board 11, riser 7 sets up on the base, second motor 8 sets up on riser 7, the one end of lead screw 9 with the output shaft of second motor 8 is connected, screw nut 10 with screw 9 screw thread fit, be provided with installation piece 29 on the riser 7, the other end normal running fit of lead screw 9 is in on the installation piece 29, layer board 11 with screw nut 10 is connected. Wherein, the screw rod 9 rotates by the driving of the second motor 8, so that the screw rod nut 10 drives the supporting plate 1 to ascend or descend; in the feeding and conveying module, in order to ensure that the suction nozzle module 3 can absorb the circuit board each time, after each material taking test of the suction nozzle module 3, the corresponding jacking assembly needs to jack up the stacked circuit boards until the circuit board positioned at the uppermost layer is displaced to a specified material taking height; in the blanking conveying module, in order to ensure that the suction nozzle module 3 can smoothly stack the circuit boards after the test is completed every time, after the suction nozzle module 3 performs blanking every time, the corresponding jacking component needs to drive the stacked circuit boards to move downwards for a certain distance, so that enough upper space is vacated for next blanking.
In this embodiment, the automatic circuit board testing machine further includes a positioning module, the positioning module includes a support frame 12, an X-axis side pushing assembly 13 and a Y-axis side pushing assembly 14, the support frame 12 is vertically disposed on the base, the X-axis side pushing assembly 13 and the Y-axis side pushing assembly 14 each include a side pushing cylinder 15 and a buffer block 16, the side pushing cylinders 15 are disposed on the support frame 12, the buffer blocks 16 are connected with an output shaft of the side pushing cylinders 15, a first baffle 17 and a second baffle 18 are disposed on the supporting plate 11, the first baffle 17 is disposed along the X-axis direction, the second baffle 18 is disposed along the Y-axis direction, and two buffer blocks 16 are disposed opposite to the first baffle 17 and the second baffle 18. The two buffer blocks 16 respectively push the circuit board 30 to be tested against the first baffle 17 and the second baffle 18 by driving the two side pushing cylinders 15, so that the circuit board 30 to be tested is positioned in the X-axis direction and the Y-axis direction, and then the suction nozzle module 3 accurately places the circuit board 30 to be tested in the test station of the test mechanism 1.
In this embodiment, the suction nozzle module 3 includes a mounting plate 19 and two suction nozzle assemblies, the mounting plate 19 is disposed at a movable end of the linear module 2, the suction nozzle assemblies include a pressing cylinder 20, a fixing frame 21 and a plurality of suction nozzles 22, the pressing cylinder 20 is disposed on the mounting plate 19, the fixing frame 21 is connected with an output shaft of the pressing cylinder 20, and the plurality of suction nozzles 22 are disposed on the fixing frame 21. One suction nozzle assembly is used for placing the circuit board which is tested on the blanking conveying module, and the other suction nozzle assembly is used for placing the circuit board to be tested in the testing mechanism 1; the suction nozzles 22 are driven by the pressing cylinder 20 to move downward or upward, so as to suck or discharge the circuit board.
In this embodiment, the test mechanism 1 includes a frame 23, a pressing cylinder 24, a needle plate 25, and a carrier 26, where the pressing cylinder 24 and the carrier 26 are both disposed on the frame 23, the needle plate 25 is connected to an output end of the pressing cylinder 24, a plurality of test probes 27 are disposed on the needle plate 25, and the carrier 26 is located below the needle plate 25. The suction nozzle assembly takes and places the circuit board to be tested into the carrier 26, the needle plate 25 moves downwards by driving of the pressing cylinder 24, a plurality of test probes 27 are respectively inserted on a plurality of test points of the circuit board, so that signal conduction is realized, and finally, the test is performed.
In this embodiment, the automatic circuit board testing machine further includes a defective product conveying line 28, where the defective product conveying line 28 is disposed between the feeding conveying module and the discharging conveying module. Wherein, the unqualified circuit board is taken and placed on the defective product conveying line 28 by the suction nozzle assembly for transportation and recovery.
Claims (7)
1. The utility model provides an automatic testing machine of circuit board, it includes frame, testing mechanism (1) and goes up unloading mechanism, testing mechanism (1) with go up unloading mechanism all sets up on the frame, its characterized in that: the feeding and discharging mechanism comprises a linear module (2), a suction nozzle module (3), a feeding and conveying module and a discharging and conveying module, wherein the linear module (2) is arranged on the machine base, the suction nozzle module (3) is arranged at the movable end of the linear module (2), the suction nozzle module (3) is matched with the testing station of the testing mechanism (1), and the feeding and conveying module and the discharging and conveying module are all arranged below the suction nozzle module (3).
2. The automatic circuit board testing machine according to claim 1, wherein: the feeding conveying module and the discharging conveying module comprise a base, a jacking assembly, a first motor (4), a transmission shaft (5) and two belt transmission assemblies (6), wherein the jacking assembly and the two belt transmission assemblies (6) are arranged on the base, the jacking assembly is located between the two belt transmission assemblies (6), the two belt transmission assemblies (6) are connected through the transmission shaft (5), and an output shaft of the first motor (4) is connected with the transmission shaft (5).
3. The automatic circuit board testing machine according to claim 2, wherein: the jacking assembly comprises a vertical plate (7), a second motor (8), a screw rod (9), a screw rod nut (10) and a supporting plate (11), wherein the vertical plate (7) is arranged on the base, the second motor (8) is arranged on the vertical plate (7), one end of the screw rod (9) is connected with an output shaft of the second motor (8), the screw rod nut (10) is in threaded fit with the screw rod (9), an installation block (29) is arranged on the vertical plate (7), the other end of the screw rod (9) is in running fit with the installation block (29), and the supporting plate (11) is connected with the screw rod nut (10).
4. A circuit board automatic test machine according to claim 3, wherein: the automatic circuit board testing machine further comprises a positioning module, the positioning module comprises a supporting frame (12), an X-axis side pushing assembly (13) and a Y-axis side pushing assembly (14), the supporting frame (12) is vertically arranged on the base, the X-axis side pushing assembly (13) and the Y-axis side pushing assembly (14) comprise side pushing air cylinders (15) and buffer blocks (16), the side pushing air cylinders (15) are arranged on the supporting frame (12), the buffer blocks (16) are connected with an output shaft of the side pushing air cylinders (15), a first baffle (17) and a second baffle (18) are arranged on the supporting plate (11), the first baffle (17) is arranged along the X-axis direction, the second baffle (18) is arranged along the Y-axis direction, and the two buffer blocks (16) are respectively arranged opposite to the first baffle (17) and the second baffle (18).
5. The automatic circuit board testing machine according to claim 1, wherein: the suction nozzle module (3) comprises a mounting plate (19) and two suction nozzle assemblies, the mounting plate (19) is arranged at the movable end of the linear module (2), the suction nozzle assemblies comprise a lower pressing cylinder (20), a fixing frame (21) and a plurality of suction nozzles (22), the lower pressing cylinder (20) is arranged on the mounting plate (19), the fixing frame (21) is connected with an output shaft of the lower pressing cylinder (20), and the suction nozzles (22) are all arranged on the fixing frame (21).
6. The automatic circuit board testing machine according to claim 1, wherein: the test mechanism (1) comprises a frame (23), a pressing cylinder (24), a needle plate (25) and a carrier (26), wherein the pressing cylinder (24) and the carrier (26) are arranged on the frame (23), the needle plate (25) is connected with the output end of the pressing cylinder (24), a plurality of test probes (27) are arranged on the needle plate (25), and the carrier (26) is located below the needle plate (25).
7. The automatic circuit board testing machine according to claim 1, wherein: the automatic circuit board testing machine further comprises a defective product conveying line (28), and the defective product conveying line (28) is arranged between the feeding conveying module and the discharging conveying module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320682327.6U CN219799669U (en) | 2023-03-31 | 2023-03-31 | Automatic circuit board testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320682327.6U CN219799669U (en) | 2023-03-31 | 2023-03-31 | Automatic circuit board testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219799669U true CN219799669U (en) | 2023-10-03 |
Family
ID=88178939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320682327.6U Active CN219799669U (en) | 2023-03-31 | 2023-03-31 | Automatic circuit board testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219799669U (en) |
-
2023
- 2023-03-31 CN CN202320682327.6U patent/CN219799669U/en active Active
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