PCB board automatic testing equipment

Abstract

The present invention discloses an automated PCB board testing device, which includes a machine base, a feeding unit, a detection unit, a discharging unit and a controller. Among them, a feeding station, a detection station and a discharging station are sequentially formed on the machine base. The feeding unit is installed on the machine base corresponding to the feeding station for conveying the PCB boards in the material frame to the detection station. The detection unit is installed on the machine base corresponding to the detection station for detecting the PCB boards and conveying the detected PCB boards to the discharging station. The discharging unit is installed on the machine base corresponding to the discharging station for separately discharging the qualified PCB boards and the unqualified PCB boards. The controller is installed on the machine base and electrically connected to the feeding unit, the detection unit and the discharging station to realize the automatic operation of the device. The automated PCB board testing device of the present invention is intelligent and convenient, replaces manual placement and detection, realizes the functions of automatic picking and placing, detection and sorting of PCB boards, reduces labor costs, improves production efficiency, and greatly enhances the accuracy of testing.

Description

Technical Field

[0001] The present invention belongs to the field of automation, and particularly relates to an automatic testing device for PCB boards. Background Art

[0002] When testing the ICT (In-Circuit Test, a standard testing method for checking manufacturing defects and component defects by testing the electrical properties and electrical connections of on-line components) of the currently produced products, the PCB boards are manually placed one by one into the testing device, and the test results are observed in real time. The unqualified products are processed separately, which wastes manpower and has low efficiency. Moreover, the manual frequent manual placement of PCB boards has a large labor intensity and is prone to phenomena such as missed placement and mismeasurement of unqualified products, resulting in defective products flowing into the next process and affecting the production progress of the entire line. Summary of the Invention

[0003] The main object of the present invention is to propose an automatic testing device for PCB boards, which is used for loading and unloading and automatic testing of PCB boards, saving manpower and improving production efficiency.

[0004] The present invention proposes an automatic testing device for PCB boards, including:

[0005] A machine base, on which a loading station, an inspection station, and an unloading station are sequentially formed;

[0006] A loading unit, installed on the machine base corresponding to the loading station, for conveying the PCB boards in the material frame to the inspection station;

[0007] An inspection unit, installed on the machine base corresponding to the inspection station, for inspecting the PCB boards and conveying the inspected PCB boards to the unloading station;

[0008] An unloading unit, installed on the machine base corresponding to the unloading station, for separately unloading the qualified PCB boards and the unqualified PCB boards; and,

[0009] A controller, installed on the machine base and electrically connected to the loading unit, the inspection unit, and the unloading station.

[0010] Optionally, the machine base sequentially forms the loading station, the inspection station, and the unloading station from left to right. The loading unit includes:

[0011] An upper conveying assembly and a lower conveying assembly, which are arranged in parallel up and down and are located at the rear side of the loading station. The upper conveying assembly is used for conveying the empty material frame from front to back to the loading station, and the lower conveying assembly is used for conveying the material frame loaded with PCB boards from back to front;

[0012] The first lifting component, which is arranged corresponding to the loading station. The first lifting component includes a first lifting part with an up-and-down movement stroke. The first lifting part is used to carry the material frame loaded with PCB boards, and forms a butt joint with the output end of the upper-layer conveying component and the input end of the lower-layer conveying component.

[0013] The pusher component, which is arranged on the left side of the loading station and is used to push the PCB boards in the material frame to the right; and,

[0014] The first conveying component, which is arranged on the right side of the loading station and is used to convey the PCB boards pushed out from the material frame from left to right. The output end of the first conveying component is in butt joint with the input end of the detection unit.

[0015] Optionally, the first lifting component further includes a bearing track, which is used to form a butt joint with the input end of the lower-layer conveying component;

[0016] The first lifting part includes:

[0017] The lifting slide rail, which is arranged to extend vertically and has an up-and-down movement stroke. The bearing track is fixedly arranged at the bottom end of the lifting slide rail;

[0018] The material frame clamping mechanism, which is arranged on the lifting slide rail corresponding to the bearing track and is used to clamp the material frame and slide on the lifting slide rail to the loading station. The material frame clamping mechanism includes a pressing part arranged towards the rear. The pressing part rotates around the front-rear direction axis. After the material frame loaded with PCB boards enters the bearing track, the pressing part rotates downward to clamp the material frame. After the material frame enters the loading station, the pressing part rotates upward to loosen the material frame.

[0019] Optionally, the first conveying component includes:

[0020] The first conveying track, which includes two first tracks arranged in parallel and arranged in the left-right direction and is used to convey the PCB boards from the loading station to the input end of the detection unit;

[0021] The blocking induction device, which is arranged on the first conveying track near the detection unit and can move up and down, and is used to block the PCB boards when moving upward;

[0022] The first width-adjusting device, which is drivingly connected to one of the first tracks and is used to adjust the distance between the two first conveying tracks in the front-rear direction; and,

[0023] The barcode scanner, which is arranged above the first conveying track and is used to scan the PCB boards.

[0024] Optionally, the machine base is successively formed with the loading station, the detection station, and the unloading station from left to right. The detection unit includes:

[0025] A second conveying assembly, arranged corresponding to the detection station. The first conveying assembly is used to convey the PCB board from left to right, and its input end is docked with the output end of the loading unit, and the output end is docked with the input end of the unloading station;

[0026] A detection machine table, arranged below the second conveying assembly corresponding to the detection station, for testing the PCB board; and,

[0027] A downward pressing detection assembly, arranged above the second conveying assembly corresponding to the detection station. The downward pressing detection assembly includes a detection part with an up-and-down movement stroke, and the detection part is used to contact the PCB board located at the detection station to detect the PCB board.

[0028] Optionally, the second conveying assembly includes:

[0029] A second conveying track, including two second tracks arranged in parallel and arranged in the left-right direction, for conveying the PCB board from the output end of the loading unit to the detection station, and from the detection station to the input end of the unloading station; and,

[0030] A second width adjustment device, drivingly connected to one of the second tracks, for adjusting the distance between the two second tracks in the front-rear direction.

[0031] Optionally, the detection assembly further includes:

[0032] A fixture device, arranged below the second conveying track corresponding to the detection station, for cooperating with the downward pressing detection assembly to detect the PCB board; and,

[0033] A fixture locking device, arranged corresponding to the fixture device, for loosening and locking the fixture device.

[0034] Optionally, the machine base is successively formed with the loading station, the detection station, and the unloading station from left to right. The unloading station includes a qualified product unloading station and a non-qualified product unloading station, and the non-qualified product unloading station is located at the right rear of the qualified product unloading station. The unloading unit includes:

[0035] The third conveying assembly is located on the left side and the front side of the qualified product blanking station, and the third conveying assembly is rotatably arranged to form a first position and a second position of the third conveying assembly. When the third conveying assembly is in the first position, the input end of the third conveying assembly is docked with the output end of the detection unit, and the output end is docked with the qualified product blanking station, so as to convey the qualified PCB boards from left to right to the material box located at the qualified product blanking station. When the third conveying assembly is in the second position, the output end of the third conveying assembly is docked with the unqualified product blanking station, so as to convey the unqualified PCB boards from front to back to the material box located at the unqualified product blanking station;

[0036] The qualified product conveying assembly and the unqualified product conveying assembly are arranged corresponding to the qualified product blanking station and the unqualified product blanking station.

[0037] Optionally, the qualified product conveying assembly includes a second lifting assembly, the second lifting assembly is arranged corresponding to the qualified product blanking station, the second lifting assembly includes a second lifting part with an up-and-down movement stroke, the second lifting part is used for carrying the material box, and can move upward to form a docking with the qualified product blanking station;

[0038] The unqualified product conveying assembly includes an unqualified product up-and-down slide rail, the unqualified product up-and-down slide rail extends vertically and has an up-and-down movement stroke. When the third conveying assembly needs to convey unqualified PCB boards, the material box for loading unqualified PCB boards moves up and down on the unqualified product up-and-down slide rail and is loaded.

[0039] Optionally, the third conveying assembly includes:

[0040] A third conveying track, including two third tracks arranged in parallel and arranged in the left-right direction, for conveying the PCB boards from the output end of the detection unit to the qualified product blanking station or the unqualified product blanking station;

[0041] A rotation driving device, arranged at the bottom of the third conveying track, for driving the third conveying track to rotate, so that the sorting station corresponds to the qualified product blanking station or the unqualified product blanking station; and,

[0042] A third width adjustment device, drivingly connected to one of the third tracks, for adjusting the distance between the two third tracks in the front-back direction.

[0043] The automatic testing equipment for PCB boards of the present invention includes a machine base, a feeding unit, a detecting unit, a discharging unit and a controller. The machine base is successively formed with a feeding station, a detecting station and a discharging station. The feeding unit is installed on the machine base corresponding to the feeding station for conveying the PCB boards in the material frame to the detecting station. The detecting unit is installed on the machine base corresponding to the detecting station for detecting the PCB boards and conveying the detected PCB boards to the discharging station. The discharging unit is installed on the machine base corresponding to the discharging station for separately discharging the qualified PCB boards and the unqualified PCB boards. The controller is installed on the machine base and electrically connected to the feeding unit, the detecting unit and the discharging station to realize the automatic operation of the equipment. After the PCB boards are placed in the material frame, the material frame enters the feeding unit and is conveyed to the feeding station for feeding, and then enters the detecting unit and is conveyed to the detecting station for detecting the PCB boards. The detected PCB boards include qualified PCB boards and unqualified PCB boards, which separately enter the discharging unit and are conveyed to the discharging station for separate discharging. The automatic testing equipment for PCB boards of the present invention is intelligent and convenient, replaces manual placement and detection, realizes the functions of automatic picking, placing, detecting and sorting of PCB boards, reduces labor costs, improves production efficiency and greatly enhances the accuracy of testing. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on the structures shown in these drawings without creative efforts.

[0045] Figure 1 It is a front view structural schematic diagram of an embodiment of the present invention;

[0046] Figure 2 For Figure 1 the three-dimensional structural schematic diagram of the feeding assembly in

[0047] Figure 3 For Figure 2 the three-dimensional schematic diagram of the first lifting assembly in

[0048] Figure 4 For Figure 2 the three-dimensional structural schematic diagram of the first conveying assembly of the first conveying track in

[0049] Figure 5 For Figure 2 the three-dimensional structural schematic diagram of the feeding unit in

[0050] Figure 6 For Figure 1 the three-dimensional structural schematic diagram of the testing unit in

[0051] Figure 7 For Figure 6 the three-dimensional structure schematic diagram of the second conveying component in

[0052] Figure 8 For Figure 1 the three-dimensional structure schematic diagram of the sorting unit in

[0053] Figure 9 For Figure 8 the three-dimensional structure schematic diagram of the third track component in

[0054] Explanation of the reference numerals in the drawings:

[0055]

[0056]

[0057] The realization of the object, functional features and advantages of the present invention will be further described with reference to the embodiments and the accompanying drawings. Detailed implementation manners

[0058] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0059] It should be noted that if there are directional indications (such as up, down, left, right, front, back...) involved in the embodiments of the present invention, the directional indications are only used to explain the relative positional relationship and movement conditions between components in a specific posture (as shown in the drawings). If the specific posture changes, the directional indications will also change accordingly.

[0060] In addition, if there are descriptions such as "first", "second", etc. involved in the embodiments of the present invention, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first", "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the fact that those of ordinary skill in the art can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present invention.

[0061] Please refer to Figures 1 - 9, the present invention provides an automatic PCB board testing device, including a machine base, a loading unit 1000, a detection unit 2000, a discharging unit 3000 and a controller. Among them, a loading station 1111, a detection station 2131 and a discharging station 3111 are sequentially formed on the machine base. The loading unit 1000 is installed on the machine base corresponding to the loading station 1111, and is used to convey the PCB boards in the material frame to the detection station 2131. The detection unit 2000 is installed on the machine base corresponding to the detection station 2131, and is used to detect the PCB boards and convey the detected PCB boards to the discharging station 3111. The discharging unit 3000 is installed on the machine base corresponding to the discharging station 3111, and is used to separately discharge the qualified PCB boards and unqualified PCB boards. The controller is installed on the machine base and is electrically connected to the loading unit 1000, the detection unit 2000 and the discharging station 3111 to realize the automatic operation of the device. After the PCB boards are placed in the material frame, the material frame enters the loading unit 1000 and is conveyed to the loading station 1111 for loading, and then enters the detection unit 2000 and is conveyed to the detection station 2131 for detecting the PCB boards. The detected PCB boards include qualified PCB boards and unqualified PCB boards, which separately enter the discharging unit 3000 and are conveyed to the discharging station 3111 for separate discharging. The automatic PCB board testing device of the present invention is intelligent and convenient, replaces manual placement and detection, realizes the functions of automatic picking, placing, detecting and sorting of PCB boards, reduces labor costs, improves production efficiency, and greatly enhances the accuracy of testing.

[0062] Please refer to Figures 1 - 3 , a loading station 1111, a detection station 2131 and a discharging station 3111 are sequentially formed on the machine base from left to right. The loading unit 1000 includes an upper conveying component 1110, a lower conveying component 1120, a first lifting component 1130, a pushing component 12201200 and a first conveying component 1210. Among them, the upper conveying component 1110 and the lower conveying component 1120 are arranged in parallel up and down and are located at the rear side of the loading station 1111. The upper conveying component 1110 is used to convey the empty material frame from front to back to the loading station 1111, and the lower conveying component 1120 is used to convey the material frame loaded with PCB boards from back to front. The first lifting component 1130 is arranged corresponding to the loading station 1111. The first lifting component 1130 includes a first lifting part 1131 with an up and down moving stroke. The first lifting part 1131 is used to carry the material frame loaded with PCB boards and form a butt joint with the output end of the upper conveying component 1110 and the input end of the lower conveying component 1120. The pushing component 12201200 is arranged on the left side of the loading station 1111 and is used to push the PCB boards in the material frame to the right. The first conveying component 1210 is arranged on the right side of the loading station 1111 and is used to convey the PCB boards pushed out of the material frame from left to right, and the output end of the first conveying component 1210 is butted with the input end of the detection unit 2000.

[0063] Specifically, after the material frame loaded with the PCB board enters the lower conveying assembly 1120, it is conveyed to the first lifting part 1131, lifted upward to the loading station 1111 by the first lifting assembly 1130, and then the pushing component 12201200 pushes out the PCB board, enabling the PCB board to enter the first conveying assembly 1210. Then, after the material frame becomes empty, it is conveyed to the upper conveying assembly 1110 by the first lifting part 1131, conveyed out of the PCB automatic testing equipment by the upper conveying assembly 1110, and the next working cycle is carried out.

[0064] Please refer to Figure 4 As shown in, the first lifting assembly 1130 further includes a bearing track 1132, which is used to form a butt joint with the input end of the lower conveying assembly 1120. The first lifting part 1131 includes a lifting slide rail 1131a and a material frame clamping mechanism 1131b. The lifting slide rail 1131a extends vertically and has an up-and-down movement stroke. The upper end of the lifting slide rail 1131a forms a butt joint with the output end of the upper conveying assembly 1110. The bearing track 1132 is fixedly arranged at the bottom end of the lifting slide rail 1131a. The material frame clamping mechanism 1131b is arranged on the lifting slide rail 1131a corresponding to the bearing track 1132, used to clamp the material frame and slide on the lifting slide rail 1131a to the loading station 1111. The material frame clamping mechanism 1131b includes a pressing part 1131b1 arranged towards the rear. The pressing part 1131b1 rotates around the front-rear direction axis. After the material frame loaded with the PCB board enters the bearing track 1132, the pressing part 1131b1 rotates downward to clamp the material frame. After the material frame enters the loading station 1111, the pressing part 1131b1 rotates upward to release the material frame. In this embodiment, the pressing part 1131b1 is drivingly connected to the pressing driving device 1131b2 and rotates around the front-rear direction axis under the drive of the pressing driving device 1131b2.

[0065] Please refer to Figure 5, the first conveying component 1210 specifically includes a first conveying track 1211, a blocking and sensing device 1212, a first width adjustment device 1213, and a barcode scanner 1214. The first conveying track 1211 includes two first tracks arranged in parallel and disposed in the left-right direction, for conveying the PCB board from the loading station 1111 to the input end of the detection unit 2000. The blocking and sensing device 1212 is movably disposed at one end of the first conveying track 1211 close to the detection unit 2000, for blocking the PCB board when moving upward. The first width adjustment device 1213 is drivingly connected to one of the first tracks, for adjusting the distance between the two first tracks in the front-back direction. The barcode scanner 1214 is disposed above the first conveying track 1211, for scanning the PCB board when the blocking and sensing device 1212 blocks the PCB board. The first conveying track 1211 in this embodiment can adjust the width corresponding to the size of the PCB board, making the applicable range of this automated testing device wider.

[0066] Please refer to Figures 1 - 7 , the machine base is successively formed with a loading station 1111, a detection station 2131, and an unloading station 3111 from left to right. The detection unit 2000 includes a second conveying component 2100, a testing machine table, and a downward pressing and detecting component 2200. The second conveying component 2100 is disposed corresponding to the detection station 2131. The first conveying component 1210 is used for conveying the PCB board from left to right, and its input end is docked with the output end of the loading unit 1000, and the output end is docked with the input end of the unloading station 3111. The detection machine table 2300 is disposed below the second conveying component 2100 corresponding to the detection station 2131, for testing the PCB board. The downward pressing and detecting component 2200 is disposed above the second conveying component 2100 corresponding to the detection station 2131. The downward pressing and detecting component 2200 includes a detecting part with an up-and-down movement stroke, and the detecting part is used for contacting the PCB board located at the detection station 2131 to detect the PCB board.

[0067] Specifically, in this embodiment, the output end of the loading unit 1000 is the first conveying component 1210. When the PCB board is conveyed by the first conveying component 1210 to the second conveying component 2100, the second conveying component 2100 conveys the PCB board to the detection station 2131. Then, the downward pressing and detecting component 2200 moves downward, presses the PCB board tightly and performs ICT detection, and at the same time transmits the ICT detection result of each PCB board to the background PC terminal. After the ICT detection is completed, the downward pressing and detecting component 2200 moves upward, and the second conveying component 2100 conveys the PCB board to the input end of the unloading station 3111.

[0068] Please refer to Figure 7, the second conveying component 2100 includes a second conveying track 2110 and a second width-adjusting device 2120. The second conveying track 2110 includes two second tracks arranged in parallel and along the left-right direction, which are used to convey the PCB board from the output end of the feeding unit 1000 to the detection station 2131, and from the detection station 2131 to the input end of the discharging station 3111. The second width-adjusting device 2120 is drivingly connected to one of the second tracks to adjust the distance between the two second tracks in the front-back direction. The second conveying track 2110 in this embodiment can adjust the width corresponding to the size of the PCB board, making the applicable range of this automated testing device wider.

[0069] Please refer to Figure 7 , the detection component further includes a fixture device 2130 and a fixture locking device 2140. The fixture device 2130 is disposed below the second conveying track 2110 corresponding to the detection station 2131, and is used to cooperate with the downward pressing detection component 2200 to detect the PCB board. The fixture locking device 2140 is disposed corresponding to the fixture device 2130 and can move up and down to release and lock the fixture device 2130, completing the quick replacement of the fixture device 2130.

[0070] Please refer to Figures 1 - 9 , the machine base is successively formed with a feeding station 1111, a detection station 2131, and a discharging station 3111 from left to right. The discharging station 3111 includes a qualified product discharging station 3111 and a non-qualified product discharging station 3111, and the non-qualified product discharging station 3111 is located at the right rear of the qualified product discharging station 3111. The discharging unit 3000 includes a third conveying component 3110, a qualified product conveying component, and a non-qualified product conveying component 3130. The third conveying component 3110 is located on the left side and the front side of the qualified product discharging station 3111, and the third conveying component 3110 is rotatably arranged to form a first position and a second position of the third conveying component 3110. When the third conveying component 3110 is in the first position, the input end of the third conveying component 3110 is docked with the output end of the detection unit 2000, and the output end is docked with the qualified product discharging station 3111 to convey the qualified PCB board from left to right to the material box located at the qualified product discharging station 3111. When the third conveying component 3110 is in the second position, the output end of the third conveying component 3110 is docked with the non-qualified product discharging station 3111 to convey the non-qualified PCB board from front to back to the material box located at the non-qualified product discharging station 3111. The qualified product conveying component and the non-qualified product conveying component 3130 are disposed corresponding to the qualified product discharging station 3111 and the non-qualified product discharging station 3111.

[0071] Specifically, after the PCB board completes the ICT test, it is divided into qualified products and unqualified products. Therefore, in this embodiment, the blanking station 3111 includes a qualified product blanking station 3111 and an unqualified product blanking station 3111. After the second conveying component 2100 conveys the PCB board that has completed the ICT test to the third conveying component 3110, the third conveying component 3110 is correspondingly adjusted to the first position or the second position according to the test result. The first position corresponds to the qualified product blanking station 3111, and the second position corresponds to the unqualified product blanking station 3111.

[0072] Please refer to Figure 8 , in this embodiment, the structure of the qualified product conveying component is the same as that of the upper conveying component 1110, the lower conveying component 1120, and the first lifting component 1130 in the detection unit 2000. Specifically, the qualified product conveying component is also divided into upper and lower layers, that is, the upper qualified product conveying component 3122 and the lower qualified product conveying component 3121, and includes a second lifting component 3123. The second lifting component 3123 is arranged corresponding to the qualified product blanking station 3111 and includes a second lifting part with an up-and-down movement stroke. The second lifting part is used to carry the material frame and can move upward to form a butt joint with the qualified product blanking station 3111. Specifically, the lower qualified product conveying component 3121 is used to convey the empty material frame to the second lifting part, and then the second lifting component 3123 lifts the empty material frame to the qualified product blanking station 3111. The third conveying component 3110 conveys the qualified product PCB boards into the material frame. After the material frame is full, it is conveyed out of this PCB board automatic testing equipment by the upper qualified product conveying component 3122.

[0073] In this embodiment, the unqualified product conveying component 3130 includes an unqualified product up-and-down slide rail 3132 and an unqualified product material frame 3131. The unqualified product up-and-down slide rail 3132 extends vertically. The unqualified product material frame 3131 is fixedly installed on the unqualified product up-and-down slide rail 3132. When the third conveying component 3110 needs to convey unqualified PCB boards, the unqualified product material frame 3131 is located at the upper end, and then loading is carried out. After the unqualified product material frame 3131 is full, it slides down along the unqualified product up-and-down slide rail 3132 to the bottom, and then the staff takes out the unqualified product material frame 3131.

[0074] Please refer to Figure 9 , the third conveying component 3110 includes a third conveying track 3112, a rotation driving device 3113, and a third width adjustment device 3114.

[0075] The third conveying track 3112 includes two third tracks arranged in parallel and in the left-right direction for conveying the PCB board from the output end of the detection unit 2000 to the qualified product discharging station 3111 or the unqualified product discharging station 3111. The rotation driving device 3113 is arranged at the bottom of the third conveying track 3112 for driving the third conveying track 3112 to rotate so that the sorting station corresponds to the qualified product discharging station 3111 or the unqualified product discharging station 3111. The third width adjusting device 3114 is drivingly connected to one of the third tracks for adjusting the distance between the two third tracks in the front-back direction. The first conveying track 1211 in this embodiment can adjust its width corresponding to the size of the PCB board, making the applicable range of this automated testing equipment wider.

[0076] In this embodiment, each driving device is a compression air cylinder, which occupies a small space, has a large output force, and can adapt to harsh working environments. In other embodiments, it can also be a compression oil cylinder or an electric driving device with higher control precision and faster response. In this embodiment, there are also photoelectric sensors and cylinder magnetic switches, which have an anti-fooling function, high automation degree, and high testing precision.

[0077] In this embodiment, the loading unit 1000, the testing unit 2000, and the unloading unit 3000 are all provided with human-computer interaction devices. The human-computer interaction devices are electrically connected to the controller and are provided with multiple touch display screens. Operations such as changing the model of the PCB board and adjusting the width of the track can be completed through the operations on the touch display screens.

[0078] The above are only the preferred embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. Any equivalent structural transformation made by using the description and drawings of the present invention under the inventive concept of the present invention, or direct / indirect application in other related technical fields, is included in the patent protection scope of the present invention.

Claims

1. An automatic PCB board testing device, characterized in that, it includes: a base on which a loading station, an inspection station, and an unloading station are sequentially formed; a loading unit installed on the base corresponding to the loading station for transporting the PCB boards in the material frame to the inspection station; an inspection unit installed on the base corresponding to the inspection station for inspecting the PCB boards and transporting the inspected PCB boards to the unloading station; an unloading unit installed on the base corresponding to the unloading station for separately unloading the qualified PCB boards and the unqualified PCB boards; and, a controller installed on the base and electrically connected to the loading unit, the inspection unit, and the unloading station; on the base, a loading station, an inspection station, and an unloading station are sequentially formed from left to right; the unloading station includes a qualified product unloading station and an unqualified product unloading station, and the unqualified product unloading station is located at the right rear of the qualified product unloading station. The unloading unit includes: a third conveying component located on the left side and the front side of the qualified product unloading station, and the third conveying component is rotatably arranged to form a first position and a second position of the third conveying component. When the third conveying component is in the first position, the input end of the third conveying component is docked with the output end of the inspection unit, and the output end is docked with the qualified product unloading station for conveying the qualified PCB boards from left to right to the material frame at the qualified product unloading station. When the third conveying component is in the second position, the output end of the third conveying component is docked with the unqualified product unloading station for conveying the unqualified PCB boards from front to back to the material frame at the unqualified product unloading station; a qualified product conveying component and an unqualified product conveying component provided corresponding to the qualified product unloading station and the unqualified product unloading station; the qualified product conveying component includes a second lifting component provided corresponding to the qualified product unloading station. The second lifting component includes a second lifting part with an up-and-down movement stroke. The second lifting part is used to carry the material frame and can move upward to form a docking with the qualified product unloading station; the unqualified product conveying component includes an unqualified product up-and-down slide rail that extends vertically and has an up-and-down movement stroke. When the third conveying component needs to convey unqualified PCB boards, the material frame for loading unqualified PCB boards moves up and down on the unqualified product up-and-down slide rail for loading; the qualified product conveying component includes: an upper-layer qualified product conveying component and a lower-layer qualified product conveying component, which are arranged in parallel up and down and are located on the right side of the unloading station. The lower-layer qualified product conveying component is used to transport the empty material frame to the qualified product unloading station, and the upper-layer qualified product conveying component is used to transport out the full material frame; and, a second lifting component provided corresponding to the qualified product unloading station and including a second lifting part with an up-and-down movement stroke. The second lifting part is used to carry the material frame and can move upward to form a docking with the qualified product unloading station.

2. The PCB board automatic testing device according to claim 1, characterized in that, the machine base is successively formed with the loading station, the detection station and the unloading station from left to right, and the loading unit includes: an upper layer conveying assembly and a lower layer conveying assembly, which are arranged in parallel up and down and are located at the rear side of the loading station. The upper layer conveying assembly is used to convey the empty material frame from front to back to the loading station, and the lower layer conveying assembly is used to convey the material frame loaded with PCB boards from back to front; a first lifting assembly, which is arranged corresponding to the loading station. The first lifting assembly includes a first lifting part with an up and down moving stroke. The first lifting part is used to carry the material frame loaded with PCB boards and form a butt joint with the output end of the upper layer conveying assembly and the input end of the lower layer conveying assembly; a pushing component, which is arranged on the left side of the loading station and is used to push the PCB boards in the material frame to the right; and, a first conveying assembly, which is arranged on the right side of the loading station and is used to convey the PCB boards pushed out of the material frame from left to right, and the output end of the first conveying assembly is butted with the input end of the detection unit.

3. The PCB board automatic testing device according to claim 2, characterized in that, the first lifting assembly further includes a carrying track, and the carrying track is used to form a butt joint with the input end of the lower layer conveying assembly; the first lifting part includes: a lifting slide rail, which is arranged extending up and down and has an up and down moving stroke, and the carrying track is fixedly arranged at the bottom end of the lifting slide rail; a material frame clamping mechanism, which is arranged on the lifting slide rail corresponding to the carrying track and is used to clamp the material frame and slide on the lifting slide rail to the loading station. The material frame clamping mechanism includes a pressing part arranged towards the rear. The pressing part rotates around the front and back direction axis. After the material frame loaded with PCB boards enters the carrying track, the pressing part rotates downward to clamp the material frame. After the material frame enters the loading station, the pressing part rotates upward to loosen the material frame.

4. The PCB board automatic testing device according to claim 3, characterized in that, the first conveying assembly includes: a first conveying track, which includes two first tracks arranged in parallel and arranged in the left and right direction, and is used to convey the PCB boards from the loading station to the input end of the detection unit; a blocking induction device, which is movably arranged up and down at one end of the first conveying track close to the detection unit and is used to block the PCB boards when moving upward; a first width adjusting device, which is drivingly connected with one of the first tracks and is used to adjust the distance between the two first conveying tracks in the front and back direction; and, a barcode scanner, which is arranged above the first conveying track and is used to scan the PCB boards.

5. The PCB board automatic testing device according to claim 2, characterized in that, the machine base is successively formed with the loading station, the detection station and the unloading station from left to right, and the detection unit includes: The second conveying assembly is arranged corresponding to the detection station. The first conveying assembly is used to convey the PCB board from left to right, and its input end is docked with the output end of the feeding unit, and the output end is docked with the input end of the discharging station; The inspection machine is arranged below the second conveying assembly corresponding to the detection station for testing the PCB board; and, The pressing and detecting assembly is arranged above the second conveying assembly corresponding to the detection station. The pressing and detecting assembly includes a detecting part with an up-and-down moving stroke, and the detecting part is used to contact the PCB board located at the detection station to detect the PCB board.

6. The PCB board automatic testing equipment according to claim 5, characterized in that, The second conveying assembly includes: The second conveying track, which includes two second tracks arranged in parallel and arranged in the left-right direction, is used to convey the PCB board from the output end of the feeding unit to the detection station, and from the detection station to the input end of the discharging station; and, The second width-adjusting device is drivingly connected to one of the second tracks and is used to adjust the distance between the two second tracks in the front-rear direction.

7. The PCB board automatic testing equipment according to claim 6, characterized in that, The detecting assembly further includes: The fixture device is arranged below the second conveying track corresponding to the detection station and is used to cooperate with the pressing and detecting assembly to detect the PCB board; and, The fixture locking device is arranged corresponding to the fixture device and is used to loosen and lock the fixture device.

8. The PCB board automatic testing equipment according to claim 1, characterized in that, The third conveying assembly includes: The third conveying track, which includes two third tracks arranged in parallel and arranged in the left-right direction, is used to convey the PCB board from the output end of the detection unit to the qualified product discharging station or the unqualified product discharging station; The rotation driving device is arranged at the bottom of the third conveying track and is used to drive the third conveying track to rotate so that the third conveying track corresponds to the qualified product discharging station or the unqualified product discharging station; and, The third width-adjusting device is drivingly connected to one of the third tracks and is used to adjust the distance between the two third tracks in the front-rear direction.

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