Three-layer track FCT automatic test line

Abstract

The utility model provides a three-layer track FCT automatic test line, and relates to the field of FCT test lines, and the three-layer track FCT automatic test line comprises a code binding machine, a first elevator, a first test machine, a second elevator, a second test machine and a third elevator which are sequentially arranged from front to back, and also comprises a first track mechanism, a second track mechanism and a third track mechanism which are sequentially arranged from top to bottom, the device further comprises a first carrier and a second carrier. By arranging the first track mechanism, the second track mechanism, the third track mechanism and the lifting track mechanism, the code binding machine, the first testing machine and the second testing machine can work at the same time, do not interfere with one another and do not need to wait, and when any testing machine breaks down, the whole line does not need to be stopped for maintenance, and parallel station distribution is not needed; the first testing machine and the second testing machine complete full-item testing in a one-stop mode and are completely independent, split item substation testing is not needed, and the problem that the first pass yield is reduced due to the fact that defective products of a front station are repeatedly tested in a rear station is solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of FCT test lines, in particular to a three-layer track FCT automatic test line. BACKGROUND

[0002] FCT refers to a test method for providing a simulated operating environment for a test target board, making it work in various design states, so as to obtain parameters in various states to verify the function of the target board. PCB needs to be tested by FCT during production to ensure the qualified rate of products. The existing FCT automatic test line, when the product test items are more, if the test items are split into front and rear stations, the repeated test of the defective products in the front station will lead to the decrease of the overall pass rate, which cannot meet the customer demand and has low production efficiency. If the test items are not split and arranged in parallel, the space requirement will be greatly increased, and the space utilization is low. SUMMARY

[0003] The purpose of the embodiment of the present application is to provide a three-layer track FCT automatic test line, which can solve the technical problems of low production efficiency or low space utilization of the existing FCT automatic test line when the product test items are more.

[0004] The embodiment of the present application provides a three-layer track FCT automatic test line, which comprises, from front to back, a code binding machine, a first elevator, a first test machine, a second elevator, a second test machine and a third elevator, and further comprises, from top to bottom, a first track mechanism, a second track mechanism and a third track mechanism, and further comprises a first carrier and a second carrier, wherein the first carrier and the second carrier are used in cooperation with the first track mechanism, the second track mechanism and the third track mechanism.

[0005] The first track mechanism comprises a code binding track located in the code binding machine, a first test track located in the first test machine and a second test track located in the second test machine, the second track mechanism comprises a first transport track located in the first test machine and a second transport track located in the second test machine, the first elevator and the second elevator are each provided with a lifting track mechanism, the lifting track mechanism is used for connecting the first track mechanism or the second track mechanism, and the third track mechanism comprises a reflow track, which is used for connecting the code binding machine, the first elevator, the first test machine, the second elevator, the second test machine and the third elevator.

[0006] The code binding machine comprises a first rack, and further comprises a displacement mechanism, a bar code reading mechanism and a carrier grabbing mechanism located on the first rack.

[0007] The displacement mechanism is used to drive the barcode reading mechanism to move, and the displacement mechanism comprises an X-axis linear module, a Y-axis linear module and a Z-axis linear module;

[0008] The barcode reading mechanism comprises a first barcode reader and a second barcode reader, the first barcode reader is used to read the carrier code and the product front-up barcode, and the second barcode reader is used to read the product back-down barcode;

[0009] The carrier grabbing mechanism comprises a first lifting cylinder and a mechanical gripper, and the first lifting cylinder drives the mechanical gripper to move up and down.

[0010] The first lifting machine, the second lifting machine and the third lifting machine all comprise a second rack, and the lifting track mechanism is located on the second rack;

[0011] The lifting track mechanism comprises a connection track, a first top plate, a first bottom plate, a first stand, a first support plate, a second support plate, a screw rod, a screw sleeve, a first driving motor, a first driving pulley, a first driven pulley and a first belt, the first support plate is fixedly arranged on the second rack, the connection track is located above the first support plate, the first top plate is fixedly connected with the connection track, the first stand is fixedly arranged between the first top plate and the first bottom plate, the first stand is slidably connected with the first support plate, the second support plate is located below the first support plate, the screw rod is rotatably arranged between the first support plate and the second support plate, the screw sleeve is threadedly sleeved on the screw rod, the first bottom plate is fixedly connected with the screw sleeve, the first driven pulley is fixedly connected with the screw rod, the first belt is drivingly sleeved on the first driving pulley and the first driven pulley, and the first driving motor drives the first driving pulley to rotate.

[0012] The first testing machine and the second testing machine both comprise a third rack, and further comprise a testing mechanism located on the third rack;

[0013] The testing mechanism comprises a second top plate, a second stand, an upper pressing bed, an upper jig, a first driving assembly, a lower pressing bed, a lower jig and a second driving assembly, the second top plate is located above the first track mechanism, the lower pressing bed is located between the first track mechanism and the second track mechanism, the second stand is fixedly arranged at the lower end of the second top plate, the upper pressing bed and the lower pressing bed are slidably connected with the second stand, the upper jig is fixedly arranged at the lower end of the upper pressing bed, the lower jig is fixedly arranged at the upper end of the lower pressing bed, the first driving assembly drives the upper pressing bed to move up and down, and the second driving assembly drives the lower pressing bed to move up and down.

[0014] The binding code track, the first test track, the second test track, the first transport track, the second transport track, the return track, and the transfer track each include a first track assembly and a second track assembly arranged symmetrically.

[0015] The first track assembly and the second track assembly each include a support, a second driving motor, a second driving pulley, a second driven pulley, and a second belt. The second driving pulley and the second driven pulley are rotationally arranged on the support. The second belt is transmissionally sleeved on the second driving pulley and the second driven pulley. The second driving motor drives the second driving pulley to rotate.

[0016] The binding code track, the first test track, the second test track, the first transport track, the second transport track, the return track, and the transfer track each include a track gauge adjusting assembly.

[0017] The track gauge adjusting assembly includes a first fixed plate, a second fixed plate, a first moving plate, a first rotating rod, a first guide rail, a third fixed plate, a fourth fixed plate, a second moving plate, a second rotating rod, a second guide rail, a hand wheel, a third driving pulley, a third driven pulley, and a third belt. The first rotating rod passes through the first fixed plate, the first moving plate, and the second fixed plate in sequence. The first moving plate is slidingly arranged on the first guide rail, and the first moving plate is threadedly connected with the first rotating rod. The second rotating rod passes through the third fixed plate, the second moving plate, and the fourth fixed plate in sequence. The second moving plate is slidingly arranged on the second guide rail, and the second moving plate is threadedly connected with the second rotating rod. The third driving pulley is fixedly connected with one end of the first rotating rod. The third driven pulley is fixedly connected with one end of the second rotating rod. The third belt is transmissionally sleeved on the third driving pulley and the third driven pulley. The hand wheel is fixedly connected with the other end of the first rotating rod. The first track assembly is fixedly arranged between the first fixed plate and the third fixed plate. The second track assembly is fixedly arranged between the second fixed plate and the fourth fixed plate.

[0018] The first testing machine and the second testing machine each further include a positioning assembly, which is located at the rear of the testing mechanism.

[0019] The positioning assembly includes a second lifting cylinder and a baffle. The second lifting cylinder drives the baffle to move up and down.

[0020] The first driving assembly includes a third lifting cylinder, which is fixedly arranged at the upper end of the upper pressing bed and drives the upper pressing bed to move up and down.

[0021] The second driving assembly comprises a telescopic cylinder, a third moving plate, a third guide rail, a special-shaped piece, a support and a roller, the third moving plate is slidingly arranged on the third guide rail, the special-shaped piece is fixedly arranged on the third moving plate, the special-shaped piece is provided with a special-shaped guide rail, the special-shaped guide rail is in a wave shape, the support is fixedly arranged at the lower end of the pressing bed, and the roller is rotatably arranged at the bottom of the support and is in sliding connection with the special-shaped guide rail.

[0022] The lifting rail mechanism further comprises a plurality of guide columns fixedly arranged between the first support plate and the second support plate, and the first bottom plate is slidingly sleeved on the guide columns.

[0023] The lower end of the binding code machine, the lower end of the first lifting machine, the lower end of the first testing machine, the lower end of the second lifting machine, the lower end of the second testing machine and the lower end of the third lifting machine are all fixedly provided with support feet.

[0024] The utility model discloses beneficial effects:

[0025] The three-layer track FCT automatic test line provided by the utility model, when in use, the PCB board product placed on the first carrier enters the binding code machine through the binding code track to bind a bar code, then is transported through the first testing machine through the first lifting machine and the first transport track, then enters the second testing machine through the second lifting machine and the second test track to carry out function test, and then is sent to the downstream unloading machine through the third lifting machine to unload the product; the PCB board product placed on the second carrier enters the binding code machine through the binding code track to bind a bar code, then is transported through the first testing machine through the first lifting machine and the first transport track, then enters the second testing machine through the second lifting machine and the second test track to carry out function test, and then is sent to the downstream unloading machine through the third lifting machine to unload the product; the first carrier and the second carrier are sent to the upstream feeding machine through the return track after use to reload the product, and are recycled; through the first track mechanism, the second track mechanism, the third track mechanism and the lifting rail mechanism, the binding code machine, the first testing machine and the second testing machine can work simultaneously, do not interfere with each other, do not need to wait, do not need to stop the line for maintenance when any one testing machine breaks down, do not need to arrange the stations in parallel, reasonably utilize the vertical space of the line, and do not need to increase the space additionally; the first testing machine and the second testing machine both complete the whole project test in one station, are completely independent, do not need to split the project and test in the station, avoid the problem that the straight-through rate decreases due to the repeated test of defective products in the front station, reasonably optimize the operation mode, and improve the production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some of the embodiments of the present application, and therefore should not be considered as a limitation to the scope. For those skilled in the art, other related drawings can also be obtained without creative labor.

[0027] Figure 1 The overall structure schematic diagram of some embodiments of the present application;

[0028] Figure 2 The overall layout schematic diagram of some embodiments of the present application;

[0029] Figure 3 The structure schematic diagram of the binding machine in some embodiments of the present application;

[0030] Figure 4 The structure schematic diagram of the first elevator in some embodiments of the present application;

[0031] Figure 5 The structure schematic diagram of another perspective of the first elevator in some embodiments of the present application;

[0032] Figure 6 The structure schematic diagram of the first testing machine in some embodiments of the present application;

[0033] Figure 7 The structure schematic diagram of another perspective of the first testing machine in some embodiments of the present application;

[0034] Figure 8 The structure schematic diagram of the gauge adjusting assembly in some embodiments of the present application.

[0035] The reference signs are as follows:

[0036] 100, binding machine; 101, first rack; 102, displacement mechanism; 1021, X-axis linear module; 1022, Y-axis linear module; 1023, Z-axis linear module; 103, bar code reading mechanism; 1031, first bar code reader; 1032, second bar code reader; 104, carrier grabbing mechanism; 1041, first lifting cylinder; 1042, mechanical gripper; 105, supporting leg;

[0037] 200, first elevator; 201, second rack;

[0038] 300, first testing machine; 301, third rack; 302, testing mechanism; 3021, second top plate; 3022, second upright column; 3023, upper pressing bed; 3024, upper jig; 3025, first driving assembly; 3025a, third lifting cylinder; 3026, lower pressing bed; 3027, lower jig; 3028, second driving assembly; 3028a, telescopic cylinder; 3028b, third moving plate; 3028c, third guide rail; 3028d, special-shaped part; 3028e, support column; 3028f, roller; 3028g, special-shaped guide rail; 303, positioning assembly; 3031, second lifting cylinder; 3032, baffle;

[0039] 400, second lifting machine;

[0040] 500, second testing machine;

[0041] 600, third lifting machine;

[0042] 700, first track mechanism; 701, binding code track; 702, first testing track; 703, second testing track;

[0043] 800, second track mechanism; 801, first transportation track; 802, second transportation track;

[0044] 900, third track mechanism; 901, backflow track;

[0045] 1000, first carrier;

[0046] 1100, second carrier;

[0047] 1200, lifting track mechanism; 1201, connection track; 1202, first top plate; 1203, first bottom plate; 1204, first upright column; 1205, first support plate; 1206, second support plate; 1207, screw rod; 1208, screw sleeve; 1209, first driving motor; 1210, first driving pulley; 1211, first driven pulley; 1212, first belt; 1213, guide column;

[0048] 1300, first track assembly; 1301, support; 1302, second driving motor; 1303, second driving pulley; 1304, second driven pulley; 1305, second belt;

[0049] 1400, second track assembly;

[0050] 1500, gauge adjusting assembly; 1501, first fixed plate; 1502, second fixed plate; 1503, first moving plate; 1504, first rotating rod; 1505, first guide rail; 1506, third fixed plate; 1507, fourth fixed plate; 1508, second moving plate; 1509, second rotating rod; 1510, second guide rail; 1511, hand wheel; 1512, third driving pulley; 1513, third driven pulley; 1514, third belt. DETAILED DESCRIPTION

[0051] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the following will be combined with the accompanying drawings for the embodiments of the present application to make a clear and complete description of the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the accompanying drawings can be arranged and designed in various different configurations.

[0052] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative labor are within the scope of protection of the present application.

[0053] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0054] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship when the product of the present application is usually placed, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" and the like are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.

[0055] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components must be absolutely horizontal or overhanging, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0056] In the description of the application, it also needs to be explained that, unless otherwise explicitly specified and limited, the terms "set", "install", "connect", "connect" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances.

[0057] As shown in Figure 1 and 2 The embodiment of the application provides a three-layer track FCT automatic test line, which comprises, from front to back, a binding code machine 100, a first elevator 200, a first test machine 300, a second elevator 400, a second test machine 500 and a third elevator 600, further comprises, from top to bottom, a first track mechanism 700, a second track mechanism 800 and a third track mechanism 900, further comprises a first carrier 1000 and a second carrier 1100, the first carrier 1000, the second carrier 1100 are used in cooperation with the first track mechanism 700, the second track mechanism 800 and the third track mechanism 900;

[0058] The first track mechanism 700 comprises a binding code track 701 located in the binding code machine 100, a first test track 702 located in the first test machine 300 and a second test track 703 located in the second test machine 500, the second track mechanism 800 comprises a first transport track 801 located in the first test machine 300 and a second transport track 802 located in the second test machine 500, the first elevator 200 and the second elevator 400 are provided with a lifting track mechanism 1200, the lifting track mechanism 1200 is used for connecting the first track mechanism 700 or for connecting the second track mechanism 800, the third track mechanism 900 comprises a backflow track 901, the backflow track 901 is used for connecting the binding code machine 100, the first elevator 200, the first test machine 300, the second elevator 400, the second test machine 500 and the third elevator 600.

[0059] In use, the PCB board products placed on the first carrier 1000 enter the binding code machine 100 through the binding code track 701 to bind bar codes, then pass through the first elevator 200 to enter the first test machine 300 through the first test track 702 to perform function tests, then pass through the second elevator 400 to pass through the second test machine 500 through the second transport track 802, and then pass through the third elevator 600 to the rear unloader to unload the products; the PCB board products placed on the second carrier 1100 enter the binding code machine 100 through the binding code track 701 to bind bar codes, then pass through the first elevator 200 to pass through the first test machine 300 through the first transport track 801, then pass through the second elevator 400 to enter the second test machine 500 through the second test track 703 to perform function tests, and then pass through the third elevator 600 to the rear unloader to unload the products; the used first carrier 1000 and the second carrier 1100 pass through the reflow track 901 to the front loader to reload the products, and are recycled; by arranging the first track mechanism 700, the second track mechanism 800, the third track mechanism 900 and the lifting track mechanism 1200, the binding code machine 100, the first test machine 300 and the second test machine 500 can work simultaneously without interference, without waiting, without needing to stop the line for maintenance when any one of the test machines fails, without needing to arrange the stations in parallel, without needing to increase the space, and without needing to reasonably utilize the vertical space of the line; the first test machine 300 and the second test machine 500 both complete the full project test in one station, are completely independent, do not need to split the project and test in different stations, avoid the problem of the decrease of the straight-through rate caused by the retesting of defective products in the front station, reasonably optimize the operation mode, and improve the production efficiency.

[0060] As shown in Figure 3 In the embodiment, the binding code machine 100 includes a first rack 101, further includes a displacement mechanism 102, a bar code reading mechanism 103 and a carrier grabbing mechanism 104 on the first rack 101.

[0061] The displacement mechanism 102 is used to drive the bar code reading mechanism 103 to move, and the displacement mechanism 102 includes an X-axis linear module 1021, a Y-axis linear module 1022 and a Z-axis linear module 1023.

[0062] The bar code reading mechanism 103 includes a first bar code reader 1031 and a second bar code reader 1032, the first bar code reader 1031 is used to read the carrier code and the bar code on the front face of the product, and the second bar code reader 1032 is used to read the bar code on the back face of the product.

[0063] The carrier grabbing mechanism 104 comprises a first lifting cylinder 1041 and a mechanical gripper 1042, the first lifting cylinder 1041 drives the mechanical gripper 1042 to move up and down.

[0064] When the first carrier 1000 carrying the PCB product enters the binding code machine 100 via the binding code track 701, the bar code reading mechanism 103 is moved to the target position by the X-axis linear module 1021, the Y-axis linear module 1022 and the Z-axis linear module 1023, and then the carrier code and the bar code on the front surface of the product are read by the first bar code reader 1031. Then the first lifting cylinder 1041 is opened to drive the mechanical gripper 1042 to descend to the appropriate position, and then the mechanical gripper 1042 is opened to clamp the first carrier 1000. Then the first lifting cylinder 1041 is opened to drive the mechanical gripper 1042 to ascend to the appropriate position, and then the bar code on the back surface of the product is read by the second bar code reader 1032. Then the first carrier 1000 is placed back on the binding code track 701 by the carrier grabbing mechanism 104, and the bar code binding is completed. Finally, the bar code reading mechanism 103 and the carrier grabbing mechanism 104 are reset, and the first carrier 1000 carrying the PCB product goes to the next station via the binding code track 701.

[0065] As shown in Figure 4 and 5 In the embodiment, the first elevator 200, the second elevator 400 and the third elevator 600 all comprise a second rack 201, and the lifting track mechanism 1200 is located on the second rack 201.

[0066] The lifting rail mechanism 1200 comprises a connecting rail 1201, a first top plate 1202, a first bottom plate 1203, a first stand column 1204, a first support plate 1205, a second support plate 1206, a screw rod 1207, a screw sleeve 1208, a first driving motor 1209, a first driving pulley 1210, a first driven pulley 1211 and a first belt 1212, the first support plate 1205 is fixedly arranged on the second rack 201, the connecting rail 1201 is located above the first support plate 1205, the first top plate 1202 is fixedly connected with the connecting rail 1201, the first stand column 1204 is fixedly arranged between the first top plate 1202 and the first bottom plate 1203, the first stand column 1204 is slidingly connected with the first support plate 1205, the second support plate 1206 is located below the first support plate 1205, the screw rod 1207 is rotatably arranged between the first support plate 1205 and the second support plate 1206, the screw sleeve 1208 is threadedly sleeved on the screw rod 1207, the first bottom plate 1203 is fixedly connected with the screw sleeve 1208, the first driven pulley 1211 is fixedly connected with the screw rod 1207, and the first belt 1212 is drivingly sleeved on the first driving pulley 1210 and the first driven pulley 1211.

[0067] When the first carrier 1000 carrying the PCB product enters the connecting rail 1201 of the first lifting machine 200, the first driving motor 1209 is started to drive the first driving pulley 1210 to rotate, the first driving pulley 1210 synchronously drives the first driven pulley 1211 to rotate through the first belt 1212, the first driven pulley 1211 drives the screw rod 1207 to rotate, the screw rod 1207 drives the screw sleeve 1208 to ascend and descend, the screw sleeve 1208 drives the first bottom plate 1203 to ascend and descend, the first bottom plate 1203 drives the first stand column 1204 to ascend and descend, the first stand column 1204 drives the first top plate 1202 to ascend and descend, and the first top plate 1202 drives the connecting rail 1201 to ascend and descend, so as to realize the connection of the connecting rail 1201 with the first rail mechanism 700 or the connection of the connecting rail 1201 with the second rail mechanism 800. The first carrier 1000 carrying the PCB product can be transported between the upper and lower rails according to actual use requirements, and then is sent to the next work station through the connecting rail 1201.

[0068] As shown in Figure 6 and 7 In the embodiment, the first testing machine 300 and the second testing machine 500 each comprise a third rack 301, and further comprise a testing mechanism 302 located on the third rack 301.

[0069] The test mechanism 302 comprises a second top plate 3021, a second column 3022, an upper pressing bed 3023, an upper jig 3024, a first driving assembly 3025, a lower pressing bed 3026, a lower jig 3027 and a second driving assembly 3028, the second top plate 3021 is located above the first track mechanism 700, the lower pressing bed 3026 is located between the first track mechanism 700 and the second track mechanism 800, the second column 3022 is fixedly arranged at the lower end of the second top plate 3021, the upper pressing bed 3023 and the lower pressing bed 3026 are both in sliding connection with the second column 3022, the upper jig 3024 is fixedly arranged at the lower end of the upper pressing bed 3023, the lower jig 3027 is fixedly arranged at the upper end of the lower pressing bed 3026, the first driving assembly 3025 drives the upper pressing bed 3023 to ascend and descend, and the second driving assembly 3028 drives the lower pressing bed 3026 to ascend and descend.

[0070] When the first carrier 1000 carrying the PCB product that needs to be tested is introduced into the first test machine 300 through the first test track 702, the lower pressing bed 3026 is driven to ascend by the second driving assembly 3028, the lower jig 3027 is driven to ascend by the lower pressing bed 3026 and abuts against the first carrier 1000, the upper pressing bed 3023 is driven to descend by the first driving assembly 3025, the upper jig 3024 is driven to descend by the upper pressing bed 3023 and abuts against the first carrier 1000, the upper jig 3024 and the lower jig 3027 cooperate to test the PCB product carried on the first carrier 1000, finally, the upper jig 3024 and the lower jig 3027 are reset, and the first carrier 1000 carrying the PCB product goes to the next work station through the first test track 702; the second carrier 1100 carrying the PCB product that does not need to be tested goes to the next work station after being transported through the first test machine 300 through the first transport track 801.

[0071] The upper jig 3024 and the lower jig 3027 are both provided with detection sensors for detecting the PCB product, the detection sensors comprise sensors for testing voltage, current, power, power factor, frequency, duty cycle and the like, the upper jig 3024 and the lower jig 3027 test the PCB product carried on the first carrier 1000 or the second carrier 1100 according to the test instruction of the industrial computer, and send the test result to the industrial computer.

[0072] As Figure 4 and 5As shown, in the embodiment, the binding code track 701, the first test track 702, the second test track 703, the first transport track 801, the second transport track 802, the backflow track 901, and the transfer track 1201 each includes a first track assembly 1300 and a second track assembly 1400 arranged symmetrically.

[0073] The first track assembly 1300 and the second track assembly 1400 each includes a support 1301, a second driving motor 1302, a second driving pulley 1303, a second driven pulley 1304, and a second belt 1305. The second driving pulley 1303 and the second driven pulley 1304 are rotatably arranged on the support 1301. The second belt 1305 is drivingly sleeved on the second driving pulley 1303 and the second driven pulley 1304. The second driving motor 1302 drives the second driving pulley 1303 to rotate.

[0074] In use, the second driving motor 1302 is turned on to drive the second driving pulley 1303 to rotate. The second driving pulley 1303 synchronously drives the second driven pulley 1304 to rotate through the second belt 1305. The second driven pulley 1304 supports the second belt 1305. The second belt 1305 can transport the first carrier 1000 or the second carrier 1100.

[0075] As shown in FIGS. Figure 4 , 5 In the embodiment, the binding code track 701, the first test track 702, the second test track 703, the first transport track 801, the second transport track 802, the backflow track 901, and the transfer track 1201 each includes a track gauge adjusting assembly 1500.

[0076] The gauge adjusting assembly 1500 comprises a first fixed plate 1501, a second fixed plate 1502, a first moving plate 1503, a first rotating rod 1504, a first guide rail 1505, a third fixed plate 1506, a fourth fixed plate 1507, a second moving plate 1508, a second rotating rod 1509, a second guide rail 1510, a hand wheel 1511, a third driving pulley 1512, a third driven pulley 1513 and a third belt 1514, the first rotating rod 1504 passes through the first fixed plate 1501, the first moving plate 1503 and the second fixed plate 1502 in sequence, the first moving plate 1503 is slidingly arranged on the first guide rail 1505, and the first moving plate 1503 is threadedly connected with the first rotating rod 1504, the second rotating rod 1509 passes through the third fixed plate 1506, the second moving plate 1508 and the fourth fixed plate 1507 in sequence, the second moving plate 1508 is slidingly arranged on the second guide rail 1510, and the second moving plate 1508 is threadedly connected with the second rotating rod 1509, the third driving pulley 1512 is fixedly connected with one end of the first rotating rod 1504, the third driven pulley 1513 is fixedly connected with one end of the second rotating rod 1509, the third belt 1514 is in transmission connection with the third driving pulley 1512 and the third driven pulley 1513, the hand wheel 1511 is fixedly connected with the other end of the first rotating rod 1504, the first track assembly 1300 is fixedly arranged between the first fixed plate 1501 and the third fixed plate 1506, and the second track assembly 1400 is fixedly arranged between the second fixed plate 1502 and the fourth fixed plate 1507.

[0077] In use, the hand wheel 1511 drives the first rotating rod 1504 to rotate, the first rotating rod 1504 drives the first moving plate 1503 to move, the first rotating rod 1504 synchronously drives the third driving pulley 1512 to rotate, the third driving pulley 1512 synchronously drives the third driven pulley 1513 to rotate through the third belt 1514, the third driven pulley 1513 drives the second rotating rod 1509 to rotate, the second rotating rod 1509 drives the second moving plate 1508 to move, and the first moving plate 1503 and the second moving plate 1508 synchronously move to drive the second track assembly 1400 to move, so that the staff can change the distance between the first track assembly 1300 and the second track assembly 1400 according to actual use requirements, so as to adapt to the first carrier 1000 or the second carrier 1100 carrying different specifications of PCB products.

[0078] As shown in FIGS. 1, 2, 3 and 4, the first test machine 300 and the second test machine 500 each further comprise a positioning assembly 303 located at the rear of the test mechanism 302. Figure 6 and 7 As shown in FIGS. 1, 2, 3 and 4, the first test machine 300 and the second test machine 500 each further comprise a positioning assembly 303 located at the rear of the test mechanism 302.

[0079] The positioning assembly 303 comprises a second lifting cylinder 3031 and a baffle 3032, the second lifting cylinder 3031 drives the baffle 3032 to move up and down.

[0080] When the first carrier 1000 carrying the PCB product to be tested enters the first test machine 300 via the first test track 702, the second lifting cylinder 3031 is started to drive the baffle 3032 to rise, so that the first carrier 1000 carrying the PCB product is blocked at the target position, and is accurately positioned for the test mechanism 302 to test the function of the PCB product carried by the first carrier 1000. After the test is completed, the baffle 3032 is reset, and the first carrier 1000 carrying the PCB product goes to the next work station via the first test track 702.

[0081] As shown in Figure 6 and 7 In the embodiment, the first driving assembly 3025 comprises a third lifting cylinder 3025a, which is fixedly arranged at the upper end of the upper pressing bed 3023 and drives the upper pressing bed 3023 to move up and down.

[0082] The second driving assembly 3028 comprises a telescopic cylinder 3028a, a third moving plate 3028b, a third guide rail 3028c, a special-shaped part 3028d, a support column 3028e, and a roller 3028f. The third moving plate 3028b is slidingly arranged on the third guide rail 3028c. The special-shaped part 3028d is fixedly arranged on the third moving plate 3028b, and the special-shaped part 3028d is provided with a special-shaped guide rail 3028g in a wave shape. The support column 3028e is fixedly arranged at the lower end of the lower pressing bed 3026. The roller 3028f is rotatably arranged at the bottom of the support column 3028e, and the roller 3028f is slidingly connected with the special-shaped guide rail 3028g.

[0083] When the first carrier 1000 of the product with the PCB board to be tested enters the first testing machine 300 via the first testing track 702, the telescopic cylinder 3028a is started to drive the third moving plate 3028b to move, the third moving plate 3028b drives the special-shaped part 3028d to move, under the cooperation of the roller 3028f and the special-shaped guide rail 3028g, the special-shaped part 3028d drives the support column 3028e to rise, the support column 3028e drives the lower pressing bed 3026 to rise, the lower pressing bed 3026 drives the lower jig 3027 to rise and abut against the first carrier 1000, then the third lifting cylinder 3025a is started to drive the upper pressing bed 3023 to descend, the upper pressing bed 3023 drives the upper jig 3024 to descend and abut against the first carrier 1000, the upper jig 3024 and the lower jig 3027 cooperatively test the function of the product with the PCB board carried on the first carrier 1000.

[0084] As shown in Figure 4 and 5 In the embodiment, the lifting track mechanism 1200 further comprises a plurality of guide columns 1213, the guide columns 1213 are fixedly arranged between the first support plate 1205 and the second support plate 1206, and the first bottom plate 1203 is slidingly sleeved on the guide columns 1213; the guide columns 1213 can improve the stability of the first bottom plate 1203 during lifting.

[0085] As shown in Figure 1 In the embodiment, the lower end of the bundling machine 100, the lower end of the first lifting machine 200, the lower end of the first testing machine 300, the lower end of the second lifting machine 400, the lower end of the second testing machine 500 and the lower end of the third lifting machine 600 are all fixedly provided with support feet 105; the support feet 105 have the functions of supporting and protecting, and improve the stability of use.

[0086] Working principle: the three-layer track FCT automatic test line provided by the application is used, the PCB board product placed on the first carrier 1000 enters the code binding machine 100 for bar code binding through the code binding track 701, then enters the first test machine 300 for function test through the lifting track mechanism 1200 of the first lifting machine 200 via the first test track 702, then is transported through the second test machine 500 through the second transport track 802 via the lifting track mechanism 1200 of the second lifting machine 400, and then is sent to the rear unloader for product unloading through the lifting track mechanism 1200 of the third lifting machine 600; the PCB board product placed on the second carrier 1100 enters the code binding machine 100 for bar code binding through the code binding track 701, then is transported through the first test machine 300 through the lifting track mechanism 1200 of the first lifting machine 200 via the first transport track 801, then enters the second test machine 500 for function test through the lifting track mechanism 1200 of the second lifting machine 400 via the second test track 703, then is sent to the rear unloader for product unloading through the lifting track mechanism 1200 of the third lifting machine 600; the used first carrier 1000 and the second carrier 1100 are sent to the front loader through the reflow track 901 for product reloading and recycling.

[0087] The above is only the preferred embodiment of the application and is not used to limit the application. The application can have various changes and variations for those skilled in the art. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the application shall be included in the protection scope of the application.

Claims

1. A three-tiered track FCT automatic test line, characterized in that: The device comprises a binding code machine, a first elevator, a first testing machine, a second elevator, a second testing machine and a third elevator arranged in sequence from front to back, a first track mechanism, a second track mechanism and a third track mechanism arranged in sequence from top to bottom, and a first carrier and a second carrier, wherein the first carrier and the second carrier are used in cooperation with the first track mechanism, the second track mechanism and the third track mechanism. The first track mechanism comprises a binding code track located in the binding code machine, a first testing track located in the first testing machine and a second testing track located in the second testing machine, the second track mechanism comprises a first transportation track located in the first testing machine and a second transportation track located in the second testing machine, the first elevator and the second elevator are both provided with a lifting track mechanism, the lifting track mechanism is used for connecting the first track mechanism or the second track mechanism, and the third track mechanism comprises a return track used for connecting the binding code machine, the first elevator, the first testing machine, the second elevator, the second testing machine and the third elevator.

2. The three-layer track FCT automatic test line according to claim 1, characterized in that: The binding code machine comprises a first rack, and further comprises a displacement mechanism, a barcode reading mechanism and a carrier grabbing mechanism located on the first rack. The displacement mechanism is used for moving the barcode reading mechanism, and comprises an X-axis linear module, a Y-axis linear module and a Z-axis linear module. The barcode reading mechanism comprises a first barcode reader and a second barcode reader, the first barcode reader is used for reading carrier code and product barcode facing upward, and the second barcode reader is used for reading product barcode facing downward. The carrier grabbing mechanism comprises a first lifting cylinder and a mechanical gripper, and the first lifting cylinder drives the mechanical gripper to move up and down.

3. The three-layer track FCT automatic test line according to claim 1, characterized in that: The first elevator, the second elevator and the third elevator all comprise a second rack, and the lifting track mechanism is located on the second rack. The lifting track mechanism comprises a connecting track, a first top plate, a first bottom plate, a first stand, a first support plate, a second support plate, a screw rod, a screw sleeve, a first driving motor, a first driving pulley, a first driven pulley and a first belt, the first support plate is fixedly arranged on the second rack, the connecting track is located above the first support plate, the first top plate is fixedly connected with the connecting track, the first stand is fixedly arranged between the first top plate and the first bottom plate, the first stand is slidably connected with the first support plate, the second support plate is located below the first support plate, the screw rod is rotatably arranged between the first support plate and the second support plate, the screw sleeve is threadedly sleeved on the screw rod, the first bottom plate is fixedly connected with the screw sleeve, the first driven pulley is fixedly connected with the screw rod, the first belt is drivingly sleeved on the first driving pulley and the first driven pulley, and the first driving motor drives the first driving pulley to rotate.

4. The three-layer track FCT automatic test line according to claim 1, characterized in that: The first testing machine and the second testing machine each comprise a third rack, and further comprise a testing mechanism located on the third rack; The testing mechanism comprises a second top plate, a second column, an upper pressing bed, an upper jig, a first driving assembly, a lower pressing bed, a lower jig and a second driving assembly, the second top plate is located above the first track mechanism, the lower pressing bed is located between the first track mechanism and the second track mechanism, the second column is fixedly arranged at the lower end of the second top plate, the upper pressing bed and the lower pressing bed are in sliding connection with the second column, the upper jig is fixedly arranged at the lower end of the upper pressing bed, the lower jig is fixedly arranged at the upper end of the lower pressing bed, the first driving assembly drives the upper pressing bed to move up and down, and the second driving assembly drives the lower pressing bed to move up and down.

5. The three-layer track FCT automatic test line according to claim 3, characterized in that: The binding code track, the first testing track, the second testing track, the first conveying track, the second conveying track, the reflow track and the connecting track each comprise a first track assembly and a second track assembly arranged symmetrically; The first track assembly and the second track assembly each comprise a support, a second driving motor, a second driving pulley, a second driven pulley and a second belt, the second driving pulley and the second driven pulley are rotationally arranged on the support, the second belt is transmissionally sleeved on the second driving pulley and the second driven pulley, and the second driving motor drives the second driving pulley to rotate.

6. The three-layer track FCT automatic test line according to claim 5, characterized in that: The binding code track, the first testing track, the second testing track, the first conveying track, the second conveying track, the reflow track and the connecting track each comprise a track gauge adjusting assembly; The track gauge adjusting assembly comprises a first fixed plate, a second fixed plate, a first moving plate, a first rotating rod, a first guide rail, a third fixed plate, a fourth fixed plate, a second moving plate, a second rotating rod, a second guide rail, a hand wheel, a third driving pulley, a third driven pulley and a third belt, the first rotating rod sequentially passes through the first fixed plate, the first moving plate and the second fixed plate, the first moving plate is slidingly arranged on the first guide rail, and the first moving plate is in threaded connection with the first rotating rod, the second rotating rod sequentially passes through the third fixed plate, the second moving plate and the fourth fixed plate, the second moving plate is slidingly arranged on the second guide rail, and the second moving plate is in threaded connection with the second rotating rod, the third driving pulley is fixedly connected with one end of the first rotating rod, the third driven pulley is fixedly connected with one end of the second rotating rod, the third belt is transmissionally sleeved on the third driving pulley and the third driven pulley, the hand wheel is fixedly connected with the other end of the first rotating rod, the first track assembly is fixedly arranged between the first fixed plate and the third fixed plate, and the second track assembly is fixedly arranged between the second fixed plate and the fourth fixed plate.

7. The three-tier track FCT automatic test line according to claim 4, characterized in that: The first testing machine and the second testing machine each further comprise a positioning assembly, and the positioning assembly is located at the rear of the testing mechanism. The positioning assembly comprises a second lifting cylinder and a baffle, the second lifting cylinder drives the baffle to move up and down.

8. The three-tier track FCT automatic test line according to claim 4, characterized in that: The first driving assembly comprises a third lifting cylinder, the third lifting cylinder is fixedly arranged at the upper end of the upper pressing bed, and the third lifting cylinder drives the upper pressing bed to move up and down. The second driving assembly comprises a telescopic cylinder, a third moving plate, a third guide rail, a special-shaped part, a support and a roller, the third moving plate is slidingly arranged on the third guide rail, the special-shaped part is fixedly arranged on the third moving plate, the special-shaped part is provided with a special-shaped guide rail, the special-shaped guide rail is in a wave shape, the support is fixedly arranged at the lower end of the lower pressing bed, the roller is rotatably arranged at the bottom of the support, and the roller is slidingly connected with the special-shaped guide rail.

9. The three-layer track FCT automatic test line according to claim 3, characterized in that: The lifting track mechanism further comprises a plurality of guide columns, the guide columns are fixedly arranged between the first support plate and the second support plate, and the first bottom plate is slidingly sleeved on the guide columns.

10. The three-tier track FCT automatic test line according to claim 1, characterized in that: The lower end of the code binding machine, the lower end of the first lifting machine, the lower end of the first testing machine, the lower end of the second lifting machine, the lower end of the second testing machine and the lower end of the third lifting machine are all fixedly provided with support feet.

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