Online FCT double-track test equipment

Abstract

The utility model discloses an on-line FCT double-track test device, and relates to the technical field of PCB automatic detection, the on-line FCT double-track test device comprises two feeding connection benches, two FCT test stations, two discharging sorting stations and two no-load tool backflow conveying tracks, and the number of the feeding connection benches, the number of the FCT test stations, the number of the discharging sorting stations and the number of the no-load tool backflow conveying tracks are respectively two. The feeding connection table and the FCT test station are respectively arranged above the no-load tool backflow conveying track, and the feeding connection table and the discharging sorting station are respectively arranged on two sides of the FCT test station; according to the automatic width adjusting device, the first track automatic width adjusting stepping motor or the track manual width adjusting hand wheel drives the track automatic width adjusting ball screw to rotate, and the distance between the two conveying track side plates is adjusted through threaded fit between the track automatic width adjusting ball screw and the conveying track side plates; therefore, PCBs of different sizes can be detected.

Description

Technical Field

[0001] The utility model specifically relates to the technical field of PCB automatic detection, in particular to an online FCT double-track testing device. Background Art

[0002] The online FCT (Functional Circuit Test) dual-track test equipment is an automated test equipment used to test the functions of circuit boards. The equipment is mainly composed of a conveyor belt line, a PCB positioning mechanism, a needle bed, a visual system, an electronic control system, etc. It provides a simulated operating environment for the circuit board to be tested, including inputting excitation signals, etc. The industrial camera on the equipment is used to capture pictures, and the computer directly runs the judgment and compares it with the standard image.

[0003] However, most of the current online FCT inspection equipment has a fixed size and can only inspect PCB boards of a single size. It is not possible to achieve universal inspection for PCB boards of different sizes, resulting in high inspection costs. In addition, defective products need to be picked up one by one when processing, and the processing efficiency of defective products is low, resulting in low inspection efficiency. Utility Model Content

[0004] The purpose of the utility model is to provide an online FCT dual-track test device, which can realize dual-channel simultaneous detection and improve efficiency by respectively setting two feeding docking stations, FCT test stations, discharging sorting stations and empty carrier return conveying tracks, and can detect PCB boards of different sizes with the internal adjustment structure to increase the scope of application, and the defective product sorting storage board can store defective products to improve the processing efficiency of defective products. In order to solve the technical problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An online FCT double-track test device, comprising a feed docking station, an FCT test station, a discharge sorting station and an empty carrier return conveying track, wherein the feed docking station, the FCT test station, the discharge sorting station and the empty carrier return conveying track are respectively provided with two, the feed docking station and the FCT test station are respectively provided above the empty carrier return conveying track, and the feed docking station and the discharge sorting station are respectively provided on both sides of the FCT test station;

[0007] The discharging and sorting station includes symmetrically arranged defective product sorting and storage boards, and rectangular card seats are arranged in a rectangular array on the defective product sorting and storage boards. A first conveyor belt driving wheel and a conveyor rail motor are correspondingly installed on the side of each defective product sorting and storage board, and the end of the conveyor rail motor is transmission-connected to the first conveyor belt driving wheel.

[0008] As a further technical solution of the utility model, the discharging and sorting station also includes an installation base plate and a conveying track side plate, and the conveying track side plate is symmetrically arranged on the installation base plate, a rectangular hole is opened on the installation base plate, and linear guide rails fixed to the installation base plate are symmetrically arranged on both sides of the rectangular hole.

[0009] As a further technical solution of the utility model, two conveying track side plates are symmetrically arranged, any one conveying track side plate is fixedly connected to the mounting base plate, and the other conveying track side plate is slidably connected to the mounting base plate through a linear guide rail.

[0010] As a further technical solution of the utility model, the defective product sorting storage plate is slidably connected to the side of the conveying track side plate, and the first conveying belt driving wheel and the conveying rail motor are respectively installed on both sides of the conveying track side plate.

[0011] As a further technical solution of the utility model, a crossbeam is fixed to the bottom of the defective product sorting and storage plate through the mounting base plate, and both ends of the crossbeam cooperate with the ball screw through threaded transmission.

[0012] As a further technical solution of the utility model, the side of the conveying track side plate close to the first conveying belt driving wheel is also movably connected with a guide wheel, and the outer sides of the guide wheel and the first conveying belt driving wheel are both sleeved with a movable belt.

[0013] As a further technical solution of the utility model, a track automatic width adjustment ball screw is symmetrically arranged between the two conveyor track side plates, one end of the track automatic width adjustment ball screw is movably connected to the conveyor track side plate, and the other end is threadedly matched with the conveyor track side plate.

[0014] As a further technical solution of the utility model, the end of the automatic track width adjustment ball screw extends to the outside of the conveying track side plate, and any one of the automatic track width adjustment ball screw ends is transmission-connected to the first automatic track width adjustment stepper motor, and the first automatic track width adjustment stepper motor is fixedly connected to the conveying track side plate, and the end of the other automatic track width adjustment ball screw is fixed with a manual track width adjustment hand wheel.

[0015] As a further technical solution of the utility model, ball screws are provided at both ends of the bottom of the mounting base plate, and the end of the ball screw is transmission-connected to an adjusting stepper motor fixedly connected to the mounting base plate, and the adjusting stepper motor is located on the outer side of the conveying track side plate.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The utility model adjusts the stepping motor to drive the ball screw to rotate, and the threaded engagement between the ball screw and the crossbeam at the end of the defective product sorting storage plate drives the defective product sorting storage plate to move upward, and the rectangular card seat on the side of the defective product sorting storage plate holds up the defective PCB boards, and the qualified PCB boards move from the upper part of the rectangular card seat through the end of the rear conveying track side plate, thereby quickly sorting the PCB boards;

[0018] 2. In the utility model, the first track automatic width adjustment stepping motor or the track manual width adjustment hand wheel drives the track automatic width adjustment ball screw to rotate, and the distance between the two conveyor track side plates is adjusted through the threaded cooperation between the track automatic width adjustment ball screw and the conveyor track side plate, so that PCB boards of different sizes can be detected;

[0019] 3. In the utility model, the conveyor track lifting cylinder drives the lifting guide shaft to move upward through the flat plate, thereby pushing the FCT conveyor lifting track group to move upward as a whole, and at the same time, the downward pressure test cylinder pushes the downward pressure plate to move downward, so that the test top plate group is in full contact with the surface of the PCB board, preventing poor contact between the test top plate group and the PCB board during detection, and improving the accuracy of the test. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the utility model in use state.

[0021] Figure 2 It is a structural schematic diagram of the feed docking station in the utility model.

[0022] Figure 3 It is a structural schematic diagram of the FCT test station in the utility model.

[0023] Figure 4 It is a structural schematic diagram of the FCT conveying lifting track group in the utility model.

[0024] Figure 5 It is a structural schematic diagram of the discharging and sorting station in the utility model.

[0025] Figure 6 It is a structural schematic diagram of a defective product sorting and storage board in the utility model.

[0026] Figure 7 It is a structural schematic diagram of the hollow carrier return conveying track of the utility model.

[0027] In the figure:

[0028] Feed docking station-1, pulley fixing plate-11, code reader body-111, code reader bracket-112, connecting base plate-12, track width adjustment guide shaft-13, track width adjustment ball rod-14, track manual width adjustment hand wheel-15, fixed pulley-16, conveyor timing belt-17, first photoelectric sensor-18, conveyor belt timing wheel-19, FCT test station-2, downward pressure cylinder fixing plate-21, connecting guide rod-211, lifting cylinder fixing plate- 212, lifting guide shaft-213, downward pressure test cylinder-22, downward pressure guide shaft-23, linear bearing with seat-24, downward pressure plate-25, test top plate group-26, test fixture-27, manual operation button group-28, conveyor track lifting cylinder-29, discharge sorting station-3, installation base plate-31, conveyor track side plate-32, track automatic width adjustment ball screw-33, first track automatic width adjustment stepping motor-331, track manual width adjustment handwheel-33 2, linear guide rail-34, conveyor rail motor-35, defective product sorting storage plate-36, ball screw-37, adjustment stepper motor-38, first conveyor belt driving wheel-39, empty carrier return conveyor track-4, carrier conveyor track-41, track automatic width adjustment ball screw-42, track automatic width adjustment guide shaft-43, automatic width adjustment stepper motor-44, conveyor track belt drive motor-45, second conveyor belt driving wheel-46, mobile conveyor belt-4 7. Manual conveyor width adjustment hand wheel - 48, second photoelectric sensor - 49, FCT conveyor lifting track group - 5, conveyor track - 51, blocking cylinder - 52, anti-pressure plate - 53, track width adjustment ball screw - 54, second track automatic width adjustment stepper motor - 542, track manual adjustment hand wheel - 541, track width adjustment linear guide - 55, track drive motor - 56, third conveyor belt driving wheel - 57, drive conveyor belt - 58, third photoelectric sensor - 59. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] See also Figure 1 , Figure 5 and Figure 6The embodiment of the utility model provides an online FCT double-track test device, including a feed docking station 1, an FCT test station 2, a discharging sorting station 3 and an empty carrier return conveying track 4, and the feed docking station 1, the FCT test station 2, the discharging sorting station 3 and the empty carrier return conveying track 4 are respectively provided with two, the feed docking station 1 and the FCT test station 2 are respectively arranged above the empty carrier return conveying track 4, and the feed docking station 1 and the discharging sorting station 3 are respectively arranged on both sides of the FCT test station 2;

[0031] The discharging sorting station 3 includes symmetrically arranged defective product sorting and storage plates 36, and the defective product sorting and storage plates 36 are provided with rectangular holders in a rectangular array. A first conveyor belt driving wheel 39 and a conveyor rail motor 35 are correspondingly installed on the side of each defective product sorting and storage plate 36, and the end of the conveyor rail motor 35 is transmission-connected to the first conveyor belt driving wheel 39.

[0032] In this embodiment, the discharging and sorting station 3 also includes a mounting base plate 31 and a conveying track side plate 32, and the conveying track side plate 32 is symmetrically arranged on the mounting base plate 31, and a rectangular hole is opened on the mounting base plate 31, and linear guide rails 34 fixed to the mounting base plate 31 are symmetrically arranged on both sides of the rectangular hole.

[0033] In this embodiment, two conveying track side plates 32 are symmetrically arranged, and any one conveying track side plate 32 is fixedly connected to the mounting base plate 31 , while the other conveying track side plate 32 is slidably connected to the mounting base plate 31 via a linear guide rail 34 .

[0034] In this embodiment, the defective product sorting storage plate 36 is slidably connected to the side of the conveying track side plate 32, and the first conveying belt driving wheel 39 and the conveying rail motor 35 are respectively installed on both sides of the conveying track side plate 32.

[0035] In this embodiment, a crossbeam is fixed to the bottom of the defective product sorting and storage plate 36 through the mounting base plate 31, and both ends of the crossbeam cooperate with the ball screw 37 through threaded transmission.

[0036] In this embodiment, a side of the conveying track side plate 32 close to the first conveying belt driving wheel 39 is also movably connected to a guide wheel, and the outer sides of the guide wheel and the first conveying belt driving wheel 39 are both sleeved with a moving belt.

[0037] Specifically, a track automatic width adjustment ball screw 33 is symmetrically arranged between the two conveying track side plates 32, and one end of the track automatic width adjustment ball screw 33 is movably connected to the conveying track side plate 32, and the other end is threadedly matched with the conveying track side plate 32.

[0038] In this embodiment, the end of the automatic track width adjustment ball screw 33 extends to the outside of the conveying track side plate 32, and any one end of the automatic track width adjustment ball screw 33 is transmission-connected to the first automatic track width adjustment stepper motor 331, and the first automatic track width adjustment stepper motor 331 is fixedly connected to the conveying track side plate 32, and the end of the other automatic track width adjustment ball screw 33 is fixed with a manual track width adjustment hand wheel 332.

[0039] In this embodiment, ball screws 37 are provided at both ends of the bottom of the mounting base plate 31, and the ends of the ball screws 37 are transmission-connected to an adjustment stepper motor 38 fixedly connected to the mounting base plate 31, and the adjustment stepper motor 38 is located on the outer side of the conveying track side plate 32.

[0040] The first track automatic width adjustment stepper motor 331 or the track manual width adjustment hand wheel 332 drives the track automatic width adjustment ball screw 33 to rotate, and the threaded transmission between the track automatic width adjustment ball screw 33 and the conveying track side plate 32 is used to adjust the distance between the two conveying track side plates 32, so as to sort PCB boards of different sizes. The conveying track motor 35 drives the first conveying belt driving wheel 39 to rotate, and cooperates with the movable guide wheel pair to move the moving belt. The two ends of the PCB board follow the moving belt on the moving belt. The qualified PCB board passes through the symmetrically arranged defective product sorting and storage plates 36. When the PCB board is unqualified, the stepper motor 38 is adjusted to drive the ball screw 37 to rotate, and the transmission cooperation between the ball screw 37 and the crossbeam drives the defective product sorting and storage plate 36 to move upward. The rectangular protrusion on the defective product sorting and storage plate 36 lifts the PCB board, so as to realize automatic sorting of defective products and improve sorting efficiency.

[0041] By adopting the above technical scheme, the distance between the conveying track side plates 32 in the discharge and sorting station is adjusted according to the size of the PCB board to be detected, the first track automatic width adjustment stepping motor 331 or the track manual width adjustment hand wheel 332 drives the track automatic width adjustment ball screw 33 to rotate, and the distance between the two conveying track side plates 32 is adjusted through the threaded transmission between the track automatic width adjustment ball screw 33 and the conveying track side plate 32. Then, the same operation is performed to adjust the distance between the two pulley fixing plates 11 through the cooperation between the track manual width adjustment hand wheel 15 and the track width adjustment ball rod 14, and the distance between the two carrier conveying tracks 41 is adjusted through the cooperation between the conveying manual width adjustment hand wheel 48 or the automatic width adjustment stepping motor 44 and the track automatic width adjustment ball screw 42. The distance between the two conveying tracks 51 is adjusted through the cooperation between the second track automatic width adjustment stepping motor 542 or the track manual adjustment hand wheel 541 and the track width adjustment ball screw 54, so as to meet the movement, detection and sorting of PCB boards of different sizes.

[0042] See also Figure 3The FCT test station 2 includes a pressing cylinder fixing plate 21, a connecting guide rod 211 is fixed to the lower part of the pressing cylinder fixing plate 21, a lifting cylinder fixing plate 212 is fixed to the bottom of the connecting guide rod 211, and the four corners of the lifting cylinder fixing plate 212 are respectively slidably connected with lifting guide shafts 213.

[0043] In this embodiment, a downward pressure test cylinder 22 is fixed on the downward pressure cylinder fixing plate 21, and a seated linear bearing 24 fixedly connected to the downward pressure cylinder fixing plate 21 is provided on both sides of the downward pressure test cylinder 22, and a downward pressure guide shaft 23 is slidably matched on the inner side of the seated linear bearing 24.

[0044] In this embodiment, the inner side of the connecting guide rod 211 is slidably connected with a lower pressure plate 25, and a test top plate group 26 is provided at the bottom of the lower pressure plate 25, and the top of the lower pressure plate 25 is fixedly connected to the end of the lower pressure test cylinder 22 and the end of the lower pressure guide shaft 23 respectively.

[0045] In this embodiment, the lifting cylinder fixing plate 212 is also provided with an FCT conveying lifting rail group 5 and a test fixture 27, wherein the FCT conveying lifting rail group 5 and the end of the lifting guide shaft 213 are fixedly connected, and the test fixture 27 is located on the side of the FCT conveying lifting rail group 5.

[0046] In this embodiment, a manual operation button group 28 is installed on the side of the test fixture 27, and a conveying track lifting cylinder 29 is also fixed to the lower part of the lifting cylinder fixing plate 212, and the other end of the conveying track lifting cylinder 29 is fixedly connected to the bottom of the lifting guide shaft 213 through a flat plate.

[0047] The FCT conveying lifting track group 5 moves the PCB board to the bottom of the test top plate group 26, and the downward pressure test cylinder 22 pushes the lower pressure plate 25 to move downward. At the same time, the conveying track lifting cylinder 29 drives the flat plate to move upward, and the flat plate then pushes the FCT conveying lifting track group 5 to move upward as a whole through the lifting guide shaft 213, so that the test top plate group 26 at the bottom of the lower pressure plate 25 contacts the PCB board.

[0048] See also Figure 4 The FCT conveying lifting track group 5 includes two U-shaped frames fixedly connected to the ends of the lifting guide shaft 213, and the two ends of the U-shaped frames are also fixedly connected to symmetrically arranged conveying tracks 51, and the inner side of the U-shaped frame is also fixed with a track width adjustment linear guide 55.

[0049] In this embodiment, one of the symmetrically arranged conveying tracks 51 is fixedly connected to the end of the U-shaped frame, and the other is slidably connected to the conveying track 5 through a movable seat. The inner side of the movable seat is connected to a track width adjustment ball screw 54 through a threaded matching transmission.

[0050] In this embodiment, both ends of the track width adjustment ball screw 54 are movably connected to the U-shaped frame through bearings, and the end of the track width adjustment ball screw 54 extends to the side of the U-shaped frame.

[0051] In this embodiment, the ends of the two track width adjustment ball screws 54 are respectively provided with a second track automatic width adjustment stepper motor 542 and a track manual adjustment handwheel 541, wherein the second track automatic width adjustment stepper motor 542 is fixed on the side of the U-shaped frame, and the end is connected to the track width adjustment ball screw 54 through a coupling transmission, and the track manual adjustment handwheel 54 is fixed on the end of the track width adjustment ball screw 54.

[0052] In this embodiment, the inner side of the U-shaped frame and the side of the movable seat are movably connected with a third conveying belt driving wheel 57, and the outer side of the third conveying belt driving wheel 57 is meshedly connected with a driving conveying belt 58.

[0053] In this embodiment, the outer side of the U-shaped frame and the side of the movable seat are fixedly connected with a track driving motor 56, and the end of the track driving motor 56 passes through the U-shaped frame and the movable seat and is fixedly connected to the third conveyor belt driving wheel 57.

[0054] In this embodiment, each of the third conveyor belt driving wheels 57 is provided with a plurality of guide wheels, and the guide wheels are movably connected to the inner side of the U-shaped frame and the side of the movable seat respectively.

[0055] In this embodiment, a blocking cylinder 52 , an anti-pressure plate 53 and a third photoelectric sensor 59 are respectively installed on the conveying track 51 , and the third photoelectric sensor 59 is fixed at the end of the conveying track 51 .

[0056] The track width adjustment ball screw 54 is driven to rotate by the second track automatic width adjustment stepping motor 542 or the track manual adjustment hand wheel 541, and then the conveying track 51 is driven to move through the threaded cooperation between the track width adjustment ball screw 54 and the moving seat, and the spacing between the two conveying tracks 51 is adjusted. The third photoelectric sensor 59 senses the position of the PCB board, and the two ends of the PCB board are respectively placed on the moving conveyor belt 58. The track driving motor 56 drives the third conveyor belt driving wheel 57 to rotate, so that the driving conveyor belt 58 outside the third conveyor belt driving wheel 57 drives the PCB board to move.

[0057] See also Figure 2 The feed docking station 1 includes a connecting base plate 12 and a pulley fixing plate 11. The pulley fixing plates 11 are provided with two, one is fixedly connected to the end of the connecting base plate 12, and the other is slidably connected to the connecting base plate 12.

[0058] The side of each pulley fixing plate 11 is movably connected with a conveying belt synchronous pulley 19 and a fixed pulley 16, and the outer sides of the conveying belt synchronous pulley 19 and the fixed pulley 16 are sleeved with a conveying synchronous belt 17, and the conveying synchronous belt 17 and the conveying belt synchronous pulley 19 are meshed with each other.

[0059] In this embodiment, a code reader body 111 is provided on the pulley fixing plate 11 , and the code reader body 111 is movably connected to the pulley fixing plate 11 on either side through a code reader bracket 112 .

[0060] In this embodiment, the inner side of the connecting base plate 12 is movably connected with a track width adjustment guide shaft 13 and a track width adjustment ball rod 14, wherein the track width adjustment guide shaft 13 is slidably matched with the slidable pulley fixing plate 11, and the track width adjustment ball rod 14 is matched with the slidable pulley fixing plate 11 through threaded transmission.

[0061] In this embodiment, a servo motor and a manual track width adjustment hand wheel 15 are respectively provided at both ends of the connecting base plate 12. The servo motor is fixedly connected to the connecting base plate 12. The end of the servo motor is transmission-connected to the end of the track width adjustment ball rod 14 through a coupling, and the other end of the track width adjustment ball rod 14 is fixedly connected to the manual track width adjustment hand wheel 15.

[0062] In this embodiment, first photoelectric sensors 18 are fixed to both ends of the side surfaces of the pulley fixing plate 11 .

[0063] In this embodiment, the code reader bracket 112 is composed of three rectangular plates connected end to end and a T-shaped frame, and a locking knob is threadedly connected between the three rectangular plates connected end to end. One end of the T-shaped frame is fixedly connected to the code reader body 111, and the other end is connected to the side bolt of the rectangular plate.

[0064] In this embodiment, the end of the rectangular plate away from the T-shaped frame is connected to a column bolt fixed to the side of the pulley fixing plate 11.

[0065] The track width adjustment ball rod 14 is rotated by a servo motor or a track manual width adjustment hand wheel 15, and then the distance between the two pulley fixing plates 11 is adjusted by the threaded cooperation between the track width adjustment ball rod 14 and the pulley fixing plate 11, so that PCB boards of different sizes can be moved, and the two ends of the PCB boards are respectively placed on the conveying synchronous belt 17, and the conveying belt synchronous wheel 19 and the fixed pulley 16 cooperate with each other, so that the conveying synchronous belt 17 drives the PCB to move.

[0066] See also Figure 7The empty carrier return conveying track 4 includes two symmetrically arranged carrier conveying tracks 41, and both ends of the carrier conveying tracks 41 are provided with adjustable track automatic width adjustment ball screws 42 and track automatic width adjustment guide shafts 43.

[0067] In this embodiment, one end of the automatic track width adjustment ball screw 42 is connected to any one of the carrier conveying tracks 41 through a bearing, and the other end is connected to another carrier conveying track 41 through a thread, and the automatic track width adjustment guide shaft 43 is slidably matched with the carrier conveying track 41.

[0068] In this embodiment, an automatic width adjustment stepping motor 44 is fixed to the side of the carrier conveying track 41, and the automatic width adjustment stepping motor 44 is transmission-connected to the end of the track automatic width adjustment ball screw 42 through a coupling.

[0069] In this embodiment, a conveyor track belt drive motor 45 is also fixed to the side of the carrier conveyor track 41, and the end of the conveyor track belt drive motor 45 is fixedly connected to a second conveyor belt driving wheel 46 via a flat key.

[0070] In this embodiment, the second conveyor belt driving wheel 46 is movably connected to both ends of the carrier conveyor track 41 , and the outer side of the second conveyor belt driving wheel 46 is meshedly connected with a movable conveyor belt 47 .

[0071] In this embodiment, two track automatic width adjustment ball screws 42 are provided, one end of which is transmission-connected to the automatic width adjustment stepping motor 44 , and the other end of the track automatic width adjustment ball screw 42 is fixed with a manual width adjustment hand wheel 48 .

[0072] In this embodiment, a second photoelectric sensor 49 is fixed to the end of the carrier conveying track 41 , and the lower bottom of the mounting base plate 31 is fixedly connected to the carrier conveying track 41 on any side.

[0073] The track automatic width adjustment ball screw 42 is rotated by the automatic width adjustment stepping motor 44 or the manual width adjustment hand wheel 48. The track automatic width adjustment ball screw 42 and the carrier conveying track 41 are threadedly matched to drive the carrier conveying track 41 to move, and the spacing between the two carrier conveying tracks 41 is adjusted. The PCB board that needs to be reflowed is located on the mobile conveying belt 47 at one end of the carrier conveying track 41. The conveying track belt driving motor 45 drives the mobile conveying belt 47 to move through the second conveying belt driving wheel 46, so that the mobile conveying belt 47 drives the PCB board that needs to be reflowed to move quickly to the other end of the carrier conveying track 41.

[0074] In this embodiment, a needle bed is provided at the bottom of the test top plate group 26, and the needle bed is electrically connected to the test fixture 27 through a wire. The test fixture 27 transmits the analog signal to the needle bed through the wire. The needle bed contacts the corresponding contacts on the PCB board, so that the test fixture 27 and the circuit on the PCB board form a complete loop. The analog signal passes through the loop on the PCB board and is fed back to the test fixture 27.

[0075] The working principle of the utility model is as follows: when in use, firstly, according to the size of the PCB board, the distances between the feed docking station 1, the discharging sorting station 3, the empty carrier return conveying track 4 and the inner track of the FCT conveying lifting track group 5 are adjusted respectively, and then the PCB board is placed on the conveying synchronous belt 17 in the feed docking station 1, and the two ends of the PCB board are respectively placed on the conveying synchronous belt 17, and the conveying belt synchronous wheel 19 and the fixed belt wheel 16 cooperate with each other, so that the conveying synchronous belt 17 drives the PCB to move, and the PCB board is moved to the FCT conveying lifting track group 5 inside the FCT test station 2, and the third photoelectric sensor 59 detects the position of the PCB board. The device is sensed, at which time, both ends of the PCB board are moved to the dynamic conveyor belt 58 respectively, and the track driving motor 56 drives the third conveyor belt driving wheel 57 to rotate, so that the driving conveyor belt 58 outside the third conveyor belt driving wheel 57 drives the PCB board to move to the bottom of the test top plate group 26, and the downward pressure test cylinder 22 drives the lower pressure plate 25 to move downward. At the same time, the conveyor track lifting cylinder 29 drives the flat plate to move upward, and the flat plate then drives the FCT conveying lifting track group 5 to move upward as a whole through the lifting guide shaft 213, so that the test top plate group 26 at the bottom of the lower pressure plate 25 contacts the PCB board, and the test fixture 27 transmits the analog signal to the test top plate group 26 through the wire. The needle bed in the board group 26 is tested after the needle bed contacts each contact point on the PCB class, and the test result is fed back to the test fixture 27. After the test, the test board group 26 and the FCT conveying lifting track group 5 are reset, and the conveying belt 58 is driven to drive the PCB board to move to the unloading sorting station 3. The two sides of the PCB board move respectively move to the moving belt, and the conveying rail motor 35 drives the first conveying belt driving wheel 39 to rotate, and cooperates with the movable guide wheel to move the moving belt. The two ends of the PCB board follow the moving belt on the moving belt. The qualified PCB board passes through the symmetrically arranged defective product sorting storage boards 36. When the PCB board is unqualified When the grid is formed, the stepping motor 38 is adjusted to drive the ball screw 37 to rotate, and the transmission cooperation between the ball screw 37 and the crossbeam drives the defective product sorting storage plate 36 to move upward. The rectangular protrusion on the defective product sorting storage plate 36 lifts the PCB board to realize automatic sorting of defective products and improve the sorting efficiency. Some PCB boards that need to be reflowed can be placed on the mobile conveyor belt 47 at one end of the carrier conveyor track 41. The conveyor track belt driving motor 45 drives the mobile conveyor belt 47 to move through the second conveyor belt driving wheel 46, so that the mobile conveyor belt 47 drives the PCB board that needs to be reflowed to move quickly to the other end of the carrier conveyor track 41, which is convenient and quick.

[0076] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0077] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An online FCT dual-track test device, characterized in that: The invention comprises a feeding docking station (1), an FCT test station (2), an out-feed sorting station (3) and an empty carrier return conveying track (4), and two of the feeding docking station (1), the FCT test station (2), the out-feed sorting station (3) and the empty carrier return conveying track (4) are respectively provided, and the feeding docking station (1) and the FCT test station (2) are respectively provided above the empty carrier return conveying track (4), and the feeding docking station (1) and the out-feed sorting station (3) are respectively provided on both sides of the FCT test station (2); The discharging and sorting station (3) comprises symmetrically arranged defective product sorting and storage plates (36), and the defective product sorting and storage plates (36) are provided with rectangular holders in a rectangular array, and a first conveyor belt driving wheel (39) and a conveyor rail motor (35) are correspondingly installed on the side of each defective product sorting and storage plate (36), and the end of the conveyor rail motor (35) is transmission-connected to the first conveyor belt driving wheel (39).

2. The online FCT dual-track test equipment according to claim 1, characterized in that: The discharging and sorting station (3) further comprises a mounting base plate (31) and a conveying track side plate (32), wherein the conveying track side plate (32) is symmetrically arranged on the mounting base plate (31), and a rectangular hole is opened on the mounting base plate (31), and linear guide rails (34) fixed to the mounting base plate (31) are symmetrically arranged on both sides of the rectangular hole.

3. The online FCT dual-track testing device according to claim 2, characterized in that: The conveying track side plates (32) are symmetrically arranged in two, and any one of the conveying track side plates (32) is fixedly connected to the mounting base plate (31), while the other conveying track side plate (32) is slidably connected to the mounting base plate (31) via a linear guide rail (34).

4. The online FCT dual-track testing device according to claim 3, characterized in that: The defective product sorting storage plate (36) is slidably connected to the side of the conveying track side plate (32), and the first conveying belt driving wheel (39) and the conveying track motor (35) are respectively installed on both sides of the conveying track side plate (32).

5. The online FCT dual-track testing device according to claim 4, characterized in that: The bottom of the defective product sorting storage plate (36) passes through the mounting base plate (31) and is fixed with a crossbeam, and both ends of the crossbeam are matched with the ball screw (37) through threaded transmission.

6. The online FCT dual-track testing device according to claim 4, characterized in that: The side of the conveying track side plate (32) close to the first conveying belt driving wheel (39) is also movably connected with a guide wheel, and the outer sides of the guide wheel and the first conveying belt driving wheel (39) are both sleeved with a moving belt.

7. The online FCT dual-track testing device according to claim 3, characterized in that: A track automatic width adjustment ball screw (33) is symmetrically arranged between the two conveying track side plates (32), one end of the track automatic width adjustment ball screw (33) is movably connected to the conveying track side plate (32), and the other end is threadedly matched with the conveying track side plate (32).

8. The online FCT dual-track testing device according to claim 7, characterized in that: The end of the track automatic width adjustment ball screw (33) extends to the outside of the conveying track side plate (32), and the end of any one track automatic width adjustment ball screw (33) is drivingly connected to the first track automatic width adjustment stepping motor (331), and the first track automatic width adjustment stepping motor (331) is fixedly connected to the conveying track side plate (32), and the end of the other track automatic width adjustment ball screw (33) is fixed with a track manual width adjustment hand wheel (332).

9. The online FCT dual-track testing device according to claim 2, characterized in that: Both ends of the bottom of the mounting base plate (31) are provided with ball screws (37), and the ends of the ball screws (37) are drivingly connected to an adjusting stepping motor (38) fixedly connected to the mounting base plate (31), and the adjusting stepping motor (38) is located on the outer side of the conveying track side plate (32).

Images