An automatic loading and unloading vehicle-mounted charger aging test bench and a use method thereof

Abstract

The application discloses an automatic feeding and discharging vehicle-mounted charger aging test board and a use method thereof, and belongs to the technical field of test equipment, which comprises an annular conveying belt, a linear conveying belt and a support; a plurality of groups of tool plates and mounting plates are uniformly and fixedly installed on the annular conveying belt at equal intervals, a clamping mechanism is installed on the tool plate, and a plug-in mechanism is installed on the mounting plate; a double-station material shifting mechanism for material shifting of a feeding and discharging station is installed on the support; the plug-in mechanism comprises a sliding rail, a sliding block, an electric control box, a plug, an upper locking cylinder, an unlocking cylinder, a buffer reset assembly and a locking assembly. Through the above mode, continuous test work of the vehicle-mounted charger is realized, the aging test efficiency is greatly improved, and the aging test cost is effectively reduced; through the material taking and placing operation of the double-station material shifting mechanism, the linear conveying belt feeding end is used to place the vehicle-mounted charger to be tested, and the discharging end is used to place the vehicle-mounted charger after the aging test is completed, so that the automatic feeding and discharging operation of the vehicle-mounted charger is realized.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of test equipment, in particular to an automatic feeding and discharging vehicle-mounted charger aging test bench and a use method thereof. BACKGROUND

[0002] Vehicle-mounted chargers need to be subjected to aging tests before leaving the factory to evaluate their performance stability and reliability during long-term use, ensure the durability, safety and compatibility of the chargers, and ensure that users can obtain stable and safe charging experience during use.

[0003] For example, the patent with the publication number CN215066987U discloses a vehicle-mounted charger aging test bench, which has a loading station, a test station, and a transfer system for transferring the vehicle-mounted charger between the loading station and the test station. The device is convenient to operate, has high automation and controllability, and improves test efficiency. However, the device is difficult to cope with a large number of vehicle-mounted chargers, and it is difficult to simultaneously perform continuous aging tests on a large number of vehicle-mounted chargers. In addition, the device needs to cope with the feeding and discharging of workpieces.

[0004] Therefore, the present application provides an automatic feeding and discharging vehicle-mounted charger aging test bench and a use method thereof to solve the above problems. SUMMARY

[0005] In view of the above-mentioned shortcomings of the prior art, the present application provides an automatic feeding and discharging vehicle-mounted charger aging test bench and a use method thereof.

[0006] To achieve the above-mentioned purposes, the present application is implemented by the following technical solutions:

[0007] An automatic feeding and discharging vehicle-mounted charger aging test bench, comprising a ring-shaped conveyor belt, a straight-line conveyor belt and a support;

[0008] A group of feeding and discharging stations, a group of plug-in stations and a plurality of test stations are arranged on the ring-shaped conveyor belt according to the material conveying direction. A plurality of tooling plates and mounting plates are uniformly and fixedly installed on the ring-shaped conveyor belt at equal intervals. A clamping mechanism is installed on the tooling plate. A plug-in mechanism is installed on the mounting plate. The support is arranged between the ring-shaped conveyor belt and the straight-line conveyor belt. A double-station material transfer mechanism for transferring materials in the feeding and discharging stations is installed on the support.

[0009] The plug-in mechanism comprises a slide rail, a sliding block, an electric control box, a plug, a locking cylinder, an unlocking cylinder, a buffer reset assembly and a locking assembly, the slide rail is fixedly installed on the mounting plate, the sliding block is limitingly and slidably connected with the slide rail, the electric control box is fixedly installed on the sliding block, and the plug is fixedly installed on the electric control box and is plugged into the socket; the locking cylinder and the unlocking cylinder are fixedly installed on the endless conveyor belt, and the locking cylinder is located at the plug-in station and the unlocking cylinder is located at the feeding and discharging station; the buffer reset assembly is installed between the electric control box and the mounting plate, and the locking assembly is installed on the mounting plate.

[0010] Further, the buffer reset assembly comprises a first stop block, a second stop block, a sliding rod and a first spring, the first stop block is fixedly installed on the electric control box, the second stop block is fixedly installed on the tool plate, one end of the sliding rod is fixedly connected with the first stop block, and the other end of the sliding rod is limitingly and slidably connected with the second stop block; the first spring is fixedly installed between the first stop block and the second stop block.

[0011] Further, the locking assembly comprises a locking plate, a locking hole, a bracket, a locking pin, a second spring, a connecting block and an inclined block, the bracket is fixedly connected with the mounting plate, the locking pin is limitingly and slidably connected with the bracket, the connecting block is fixedly installed at the end of the locking pin away from the electric control box, and the second spring is fixedly installed between the connecting block and the bracket; the inclined block is fixedly installed on the connecting block and is slidably matched with the piston end of the locking cylinder and the unlocking cylinder.

[0012] Further, the locking plate is fixedly installed on one side of the electric control box, the locking hole is formed in the locking plate and is plugged into the locking pin, and the two sides of the locking plate are provided with rounded corners facilitating the pushing of the locking pin.

[0013] Further, the clamping mechanism comprises a first positioning wheel, a second positioning wheel and a fastening assembly, the first positioning wheel and the second positioning wheel are rotatably installed on the tool plate through bearings and are rollingly connected with the vehicle-mounted charger and the bottom plate, and the first positioning wheel and the second positioning wheel are used for single-angle positioning of the vehicle-mounted charger; the fastening assembly for opposite-angle positioning of the vehicle-mounted charger is also installed on the tool plate.

[0014] Further, the fastening assembly comprises a fastening wheel, a connecting plate, a guide rod, a connecting frame, a third spring, a connecting rod, a universal ball and a driving plate, the connecting frame is fixedly installed on the tool plate, one end of the guide rod is limitingly and slidably connected with the connecting frame, and the other end of the connecting frame is fixedly installed with the connecting plate; two fastening wheels for opposite-angle positioning of the vehicle-mounted charger are rotatably installed on the connecting plate through bearings.

[0015] Further, one end of the connecting rod is fixedly connected with the connecting plate, and the other end of the connecting rod is fixedly installed with the universal ball; the driving plate is fixedly installed on the endless conveyor belt, and the universal ball is rollingly connected with the driving plate.

[0016] Further, the driving plate is composed of a locking section and a releasing section, the releasing section is located at the feeding and discharging station, the rest of the driving plate is the locking section, the distance between the releasing section and the universal ball is greater than the distance between the locking section and the universal ball.

[0017] Further, the double-station transferring mechanism comprises a Z-axis cylinder, a rotating cylinder, a rotating plate, a magnetic gripper, a blocking cylinder and a blocking plate, the Z-axis cylinder is fixedly installed on the support, the output end of the Z-axis cylinder is fixedly installed with the rotating cylinder through a connecting plate, the output end of the rotating cylinder is fixedly installed with the rotating plate, and the two ends of the rotating plate are symmetrically fixedly installed with the magnetic grippers; the blocking plate is fixedly installed on the linear conveying belt, and the output end of the blocking cylinder is fixedly installed with the blocking plate for blocking the vehicle-mounted charger to be tested.

[0018] In order to better achieve the purpose of the application, the application further provides a use method of the vehicle-mounted charger aging test table with automatic feeding and discharging, comprising the following steps:

[0019] Step one: the linear conveying belt conveys the vehicle-mounted charger to be tested to the direction of the feeding and discharging station, the output end of the blocking cylinder drives the blocking plate to move, the blocking plate blocks the vehicle-mounted charger so that the vehicle-mounted charger is located at the set position; the Z-axis cylinder drives the rotating plate to vertically move downward, and the magnetic gripper moves the vehicle-mounted charger to be tested to the jig plate of the ring conveying belt;

[0020] Step two: the ring conveying belt drives the vehicle-mounted charger to be tested to leave the feeding and discharging station, the universal ball rolls on the driving plate, and the universal ball moves from the releasing section to the locking section; the locking section pushes the universal ball, and pushes the fastening wheel through the connecting rod and the connecting plate, so that the fastening wheel approaches the vehicle-mounted charger, pushes the vehicle-mounted charger to the direction of the first positioning wheel and the second positioning wheel, finally the first positioning wheel and the second positioning wheel angularly position the vehicle-mounted charger, the fastening wheel angularly positions the opposite side of the vehicle-mounted charger, and the position of the vehicle-mounted charger is fixed;

[0021] Step three: at the plug-in station, the output end of the locking cylinder extends to push the electric control box, the electric control box moves to the direction of the vehicle-mounted charger under the limiting action of the slide rail and the slide block until the plug is plugged with the socket; in the moving process of the electric control box, the first stop block and the second stop block approach, the first spring is compressed, so as to reduce the impact force between the socket and the plug; when the locking plate contacts with the lock pin, the lock pin is pushed, the second spring is stretched, when the plug is completely plugged with the socket, the lock hole is aligned with the lock pin, the second spring drives the lock pin to reset and insert into the lock hole, the position of the electric control box is fixed, so that the socket and the plug are not separated in the subsequent aging test process;

[0022] Step four: the third spring always presses the universal ball on the driving plate, the vehicle-mounted charger after completing the aging test is conveyed back to the feeding and discharging station, at this time, the universal ball contacts with the releasing section, and the fastening wheel resets to release the vehicle-mounted charger.

[0023] Step five: when the on-board charger that has completed the aging test is transported back to the loading and unloading station, the output end of the unlocking cylinder extends to push the inclined block, so that the locking pin is separated from the locking hole, the electric control box is reset by the first spring, and the plug is separated from the socket;

[0024] Step six: the Z-axis cylinder drives the rotating plate to vertically move downward, so that the magnetic gripper simultaneously grabs the on-board charger that has completed the aging test on the ring-shaped conveying belt and the on-board charger to be tested on the linear conveying belt, the Z-axis cylinder drives the rotating plate to reset, and then the rotating cylinder is started to exchange the positions of the two on-board chargers and release them, at this time, the on-board charger to be tested is placed on the tool plate of the loading and unloading station, and the on-board charger that has completed the aging test is placed on the linear conveying belt, the blocking cylinder drives the blocking plate to reset, and the linear conveying belt sends out the on-board charger that has completed the aging test.

[0025] The present application has the following technical effects:

[0026] 1. In the present application, through the cooperation of the locking cylinder, the unlocking cylinder, the buffer reset assembly and the locking assembly, the continuous testing of the on-board charger is realized, the whole process is automatically controlled, the aging test efficiency is greatly improved, and the aging test cost is effectively reduced; and through the pick-and-place operation of the double-station material moving mechanism, the on-board charger to be tested is placed at the feeding end of the linear conveying belt, and the on-board charger that has completed the aging test is placed at the discharging end, the automatic loading and unloading of the on-board charger is realized, and the pick-and-place operation of the on-board charger is greatly facilitated.

[0027] 2. In the present application, through the positioning of the first positioning wheel and the second positioning wheel on one corner of the on-board charger and the positioning of the two fastening wheels on the opposite corners of the on-board charger, the fastening of the on-board charger can be realized, and through the movement of the universal ball on the driving plate, the automatic clamping and releasing of the on-board charger can be realized. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creating laborious work.

[0029] Figure 1 It is a perspective view of an automatic loading and unloading on-board charger aging test bench of the present application Figure 1 ;

[0030] Figure 2 It is a top view of an automatic loading and unloading on-board charger aging test bench of the present application

[0031] Figure 3 Part station perspective of an automatic feeding and discharging vehicle-mounted charger aging test table of the present application Figure 1 ;

[0032] Figure 4 Part station perspective of an automatic feeding and discharging vehicle-mounted charger aging test table of the present application Figure 2 ;

[0033] Figure 5 Double-station material moving mechanism perspective view of an automatic feeding and discharging vehicle-mounted charger aging test table of the present application

[0034] Figure 6 Clamping mechanism perspective view of an automatic feeding and discharging vehicle-mounted charger aging test table of the present application

[0035] Figure 7 Plug-in mechanism perspective of an automatic feeding and discharging vehicle-mounted charger aging test table of the present application Figure 1 ;

[0036] Figure 8 Plug-in mechanism perspective of an automatic feeding and discharging vehicle-mounted charger aging test table of the present application Figure 2 ;

[0037] Figure 9 Vehicle-mounted charger perspective view of an automatic feeding and discharging vehicle-mounted charger aging test table of the present application

[0038] The numbers in the figures respectively represent:

[0039] 101, annular conveyor belt; 102, straight line conveyor belt; 103, support; 104, tooling plate; 105, mounting plate; 201, vehicle-mounted charger; 202, socket; 203, bottom plate; 3, double-station material moving mechanism; 31, Z-axis cylinder; 32, rotating cylinder; 33, rotating plate; 34, magnetic gripper; 35, material blocking cylinder; 36, material blocking plate; 4, plug-in mechanism; 41, slide rail; 42, slide block; 43, electric control box; 44, plug; 45, locking cylinder; 46, unlocking cylinder; 47, buffer reset assembly; 471, first stop block; 472, second stop block; 473, slide rod; 474, first spring; 48, locking assembly; 481, locking plate; 482, locking hole; 483, bracket; 484, locking pin; 485, second spring; 486, connecting block; 487, inclined block; 5, clamping mechanism; 51, first positioning wheel; 52, second positioning wheel; 53, fastening assembly; 531, fastening wheel; 532, connecting plate; 533, guide rod; 534, connecting frame; 535, third spring; 536, connecting rod; 537, universal ball; 538, driving plate; 5381, locking section; 5382, release section. DETAILED DESCRIPTION

[0040] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0041] The present application will be further described in connection with the embodiments.

[0042] In the following description, the terms “left”, “right”, “front”, “back”, “up”, and “down” are oriented in the perspective view.

[0043] Embodiment 1

[0044] Please refer to the drawings in the description Figure 1 、 2 and 7, an automatic feeding and discharging vehicle-mounted charger aging test bench, comprising a ring conveyor belt 101, a straight line conveyor belt 102 and a support 103;

[0045] A group of feeding and discharging stations, a group of plug-in stations and a plurality of test stations are arranged on the ring conveyor belt 101 according to the material conveying direction, a plurality of groups of tooling plates 104 and mounting plates 105 are uniformly and fixedly installed on the ring conveyor belt 101 at equal intervals, a clamping mechanism 5 is installed on the tooling plate 104, and a plug-in mechanism 4 is installed on the mounting plate 105; the support 103 is arranged between the ring conveyor belt 101 and the straight line conveyor belt 102, and a double-station material moving mechanism 3 for moving materials at the feeding and discharging stations is installed on the support 103;

[0046] The plug-in mechanism 4 comprises a sliding rail 41, a sliding block 42, an electric control box 43, a plug 44, an upper locking cylinder 45, an unlocking cylinder 46, a buffer reset assembly 47 and a locking assembly 48, the sliding rail 41 is fixedly installed on the mounting plate 105, the sliding block 42 is limitingly and slidingly connected with the sliding rail 41, the electric control box 43 is fixedly installed on the sliding block 42, and the plug 44 for plugging the socket 202 is fixedly installed on the electric control box 43; the upper locking cylinder 45 and the unlocking cylinder 46 are fixedly installed on the ring conveyor belt 101, and the upper locking cylinder 45 is located at the plug-in station and the unlocking cylinder 46 is located at the feeding and discharging station; the buffer reset assembly 47 is installed between the electric control box 43 and the mounting plate 105, and the locking assembly 48 is installed on the mounting plate 105.

[0047] In the application, the straight conveying belt 102 conveys the vehicle-mounted charger 201 to be tested to the direction of the feeding and discharging station, and when the vehicle-mounted charger 201 reaches the set position, the double-station material moving mechanism 3 moves the vehicle-mounted charger 201 to the workpiece plate 104 of the ring conveying belt 101; the ring conveying belt 101 moves the workpiece plate 104 loaded with the vehicle-mounted charger 201 to the plug-in station, at this time, the clamping mechanism 5 completely limits the vehicle-mounted charger 201, the output end of the locking cylinder 45 extends to push the electric control box 43, the electric control box 43 moves to the direction of the vehicle-mounted charger 201 under the limiting action of the slide rail 41 and the slide block 42, until the plug 44 is plugged with the socket 202, and in the plugging process, the buffer reset assembly 47 slows down the impact force suffered by the plug 44 and the socket 202 to avoid damage to the plug 44 and the socket 202, and when the plugging is completed, the locking assembly 48 locks the position of the electric control box 43 to avoid the disconnection of the socket 202 and the plug 44 in the aging test process; then the ring conveying belt 101 moves the vehicle-mounted charger 201 to the test station to continue the aging test work, and the plugging mechanism 4 repeats the feeding operation;

[0048] The vehicle-mounted charger 201 completing the aging test is conveyed back to the feeding and discharging station, at this time, the clamping mechanism 5 automatically releases the vehicle-mounted charger 201, the output end of the unlocking cylinder 46 extends to control the unlocking of the locking assembly 48, the buffer reset assembly 47 drives the electric control box 43 to reset to separate the plug 44 and the socket 202; then the plugging mechanism 4 simultaneously grabs the vehicle-mounted charger 201 completing the test from the ring conveying belt 101, and grabs the vehicle-mounted charger 201 to be tested from the straight conveying belt 102, and releases the two vehicle-mounted chargers 201 after exchanging positions;

[0049] Through the cooperation of the locking cylinder 45, the unlocking cylinder 46, the buffer reset assembly 47 and the locking assembly 48, the continuous test work of the vehicle-mounted charger 201 is realized, the whole process is automatically controlled, the aging test efficiency is greatly improved, and the aging test cost is effectively reduced; and through the feeding and discharging operation of the double-station material moving mechanism 3, the straight conveying belt 102 puts the vehicle-mounted charger 201 to be tested at the feeding end, and the vehicle-mounted charger 201 completing the aging test at the discharging end, the automatic feeding and discharging work of the vehicle-mounted charger 201 is realized, and the feeding and discharging of the vehicle-mounted charger 201 is greatly facilitated.

[0050] Embodiment 2

[0051] As Figure 4 , 7As shown in Figs. 7 and 8, as a preferred embodiment of the present application, the buffer reset assembly 47 comprises a first stopper 471, a second stopper 472, a slide rod 473 and a first spring 474, the first stopper 471 is fixedly installed on the electric control box 43, the second stopper 472 is fixedly installed on the mounting plate 105, one end of the slide rod 473 is fixedly connected with the first stopper 471, and the other end of the slide rod 473 is limitingly and slidably connected with the second stopper 472; the first spring 474 is fixedly installed between the first stopper 471 and the second stopper 472;

[0052] The locking assembly 48 comprises a locking plate 481, a lock hole 482, a bracket 483, a lock pin 484, a second spring 485, a connecting block 486 and an inclined block 487, the bracket 483 is fixedly connected with the mounting plate 105, the lock pin 484 is limitingly and slidably connected with the bracket 483, the connecting block 486 is fixedly installed on one end of the lock pin 484 away from the electric control box 43, and the second spring 485 is fixedly installed between the connecting block 486 and the bracket 483; the inclined block 487 is fixedly installed on the connecting block 486 and slidably cooperates with the piston end of the locking cylinder 45 and the unlocking cylinder 46;

[0053] The locking plate 481 is fixedly installed on one side of the electric control box 43, the lock hole 482 is formed in the locking plate 481 and is inserted with the lock pin 484, and the two sides of the locking plate 481 are provided with rounded corners facilitating pushing the lock pin 484;

[0054] In the present application, at the plugging station, the output end of the locking cylinder 45 extends to push the electric control box 43, the electric control box 43 moves to the direction of the vehicle-mounted charger 201 under the limiting action of the slide rail 41 and the slide block 42, until the plug 44 is plugged with the socket 202; in the moving process of the electric control box 43, the first stopper 471 and the second stopper 472 are close to each other, and the first spring 474 is compressed, so as to reduce the impact force between the socket 202 and the plug 44; when the locking plate 481 contacts with the lock pin 484, the lock pin 484 is pushed, and the second spring 485 is stretched, when the plug 44 is completely plugged with the socket 202, the lock hole 482 is aligned with the lock pin 484, the second spring 485 drives the lock pin 484 to reset and insert into the lock hole 482, so as to lock the position of the electric control box 43, thereby ensuring that the socket 202 and the plug 44 do not separate during the aging test; when the vehicle-mounted charger 201 completing the aging test is conveyed back to the feeding and discharging station, the output end of the unlocking cylinder 46 extends to push the inclined block 487, so that the lock pin 484 is separated from the lock hole 482, the first spring 474 drives the electric control box 43 to reset, and the plug 44 is separated from the socket 202.

[0055] Embodiment 3

[0056] As Figure 3 , 4As shown in Figs. 6, as a preferred embodiment of the present application, the clamping mechanism 5 comprises a first positioning wheel 51, a second positioning wheel 52 and a fastening assembly 53, the first positioning wheel 51 and the second positioning wheel 52 rolling connected with the vehicle-mounted charger 201 and the bottom plate 203 are rotatably installed on the tool plate 104, and the first positioning wheel 51 and the second positioning wheel 52 are used for single-angle positioning of the vehicle-mounted charger 201; the tool plate 104 is also provided with the fastening assembly 53 used for opposite-angle positioning of the vehicle-mounted charger 201;

[0057] The fastening assembly 53 comprises a fastening wheel 531, a connecting plate 532, a guide rod 533, a connecting frame 534, a third spring 535, a connecting rod 536, a universal ball 537 and a driving plate 538, the connecting frame 534 is fixedly installed on the tool plate 104, one end of the guide rod 533 is limitingly and slidingly connected with the connecting frame 534, and the other end of the connecting frame 534 is fixedly installed with the connecting plate 532; two fastening wheels 531 used for opposite-angle positioning of the vehicle-mounted charger 201 are rotatably installed on the connecting plate 532 through bearings;

[0058] One end of the connecting rod 536 is fixedly connected with the connecting plate 532, and the other end of the connecting rod 536 is fixedly installed with the universal ball 537; the driving plate 538 is fixedly installed on the ring-shaped conveying belt 101, and the universal ball 537 is rolling connected with the driving plate 538;

[0059] The driving plate 538 is composed of a locking section 5381 and a releasing section 5382, the releasing section 5382 is located at the feeding and discharging station, the rest of the driving plate 538 is the locking section 5381, and the distance between the releasing section 5382 and the universal ball 537 is greater than the distance between the locking section 5381 and the universal ball 537.

[0060] In the present application, the double-station moving mechanism 3 moves the vehicle-mounted charger 201 to be tested from the straight conveying belt 102 to the tool plate 104 of the ring-shaped conveying belt 101, the ring-shaped conveying belt 101 drives the vehicle-mounted charger 201 to be tested to leave the feeding and discharging station, the universal ball 537 rolls on the driving plate 538, and the universal ball 537 moves from the releasing section 5382 to the locking section 5381, the locking section 5381 pushes the universal ball 537, and through the connecting rod 536 and the connecting plate 532, the fastening wheel 531 is pushed to move close to the vehicle-mounted charger 201, the vehicle-mounted charger 201 is pushed to the direction of the first positioning wheel 51 and the first positioning wheel 51, and finally the first positioning wheel 51 and the second positioning wheel 52 are used for one-angle positioning of the vehicle-mounted charger 201, and the two fastening wheels 531 are used for opposite-angle positioning of the vehicle-mounted charger 201, so as to realize the fastening work of the vehicle-mounted charger 201; the third spring 535 always presses the universal ball 537 on the driving plate 538.

[0061] Embodiment 4

[0062] AsFigure 3 and 5 As shown, as a preferred embodiment of the present invention, the duplex displacement mechanism 3 includes a Z-axis cylinder 31, a rotary cylinder 32, a rotating plate 33, a magnetic gripper 34, a material blocking cylinder 35 and a material blocking plate 36. The Z-axis cylinder 31 is fixedly mounted on the bracket 103. The output end of the Z-axis cylinder 31 is fixedly mounted with the rotary cylinder 32 through a connecting plate. The output end of the rotary cylinder 32 is fixedly mounted with the rotating plate 33. The two ends of the rotating plate 33 are symmetrically fixed with magnetic grippers 34. The material blocking plate 36 is fixedly mounted on the linear conveyor belt 102. The output end of the material blocking cylinder 35 is fixedly mounted with a material blocking plate 36 for blocking the on-board charger 201 to be tested.

[0063] The on-board charger 201 to be tested is placed on the tooling plate 104 of the loading and unloading station, and the on-board charger 201 that has completed the aging test is placed on the linear conveyor 102. The baffle plate 36 drives the baffle cylinder 35 to reset, so that the linear conveyor 102 can smoothly transport the on-board charger 201.

[0064] Example 5

[0065] like Figures 1-9 As shown, as a preferred embodiment of the present invention, a method for using an automatic loading and unloading vehicle charger aging test bench is also provided, comprising the following steps:

[0066] Step 1: The linear conveyor belt 102 conveys the on-board charger 201 to be tested toward the upper and lower loading stations. The output end of the blocking cylinder 35 extends to drive the blocking plate 36 to move. The blocking plate 36 blocks the on-board charger 201 and positions it at the set position. The Z-axis cylinder 31 drives the rotating plate 33 to move vertically downward, and the on-board charger 201 to be tested is transferred to the tooling plate 104 of the endless conveyor belt 101 via the magnetic gripper 34.

[0067] Step two: the annular conveyor belt 101 drives the vehicle-mounted charger 201 to be tested to leave the feeding and discharging station, the universal ball 537 rolls on the driving plate 538, and the universal ball 537 moves from the release section 5382 to the locking section 5381, the locking section 5381 pushes the universal ball 537, and pushes the fastening wheel 531 through the connecting rod 536 and the connecting plate 532, so that the fastening wheel 531 approaches the vehicle-mounted charger 201, and the vehicle-mounted charger 201 is pushed to the direction of the first positioning wheel 51 and the second positioning wheel 52, and finally the first positioning wheel 51 and the second positioning wheel 52 angularly position the vehicle-mounted charger 201, and the fastening wheel 531 angularly positions the opposite side of the vehicle-mounted charger 201, so as to fix the position of the vehicle-mounted charger 201;

[0068] Step three: at the plug-in station, the output end of the locking cylinder 45 extends to push the electric control box 43, the electric control box 43 moves to the direction of the vehicle-mounted charger 201 under the limiting action of the slide rail 41 and the slide block 42, and stops until the plug 44 is plugged with the socket 202; during the movement of the electric control box 43, the first stop block 471 and the second stop block 472 are close, and the first spring 474 is compressed, so as to reduce the impact force between the socket 202 and the plug 44; when the locking plate 481 contacts the locking pin 484, the locking pin 484 is pushed, and the second spring 485 is stretched; when the plug 44 is completely plugged with the socket 202, the lock hole 482 is aligned with the locking pin 484, the second spring 485 drives the locking pin 484 to reset and insert into the lock hole 482, so as to fix the position of the electric control box 43, and the socket 202 and the plug 44 are not separated in the subsequent aging test;

[0069] Step four: the third spring 535 always presses the universal ball 537 on the driving plate 538, and the vehicle-mounted charger 201 completing the aging test is conveyed back to the feeding and discharging station, at this time, the universal ball 537 contacts the release section 5382, and the fastening wheel 531 resets to release the vehicle-mounted charger 201;

[0070] Step five: when the vehicle-mounted charger 201 completing the aging test is conveyed back to the feeding and discharging station, the output end of the unlocking cylinder 46 extends to push the inclined block 487, so that the locking pin 484 is separated from the lock hole 482, the first spring 474 drives the electric control box 43 to reset, and the plug 44 is separated from the socket 202;

[0071] Step six: Z-axis cylinder 31 drives rotating plate 33 to vertically move down, so that magnetic gripper 34 simultaneously grabs the on-board charger 201 which has completed aging test on annular conveyor belt 101 and the on-board charger 201 to be tested on linear conveyor belt 102, Z-axis cylinder 31 drives rotating plate 33 to reset, and then rotating cylinder 32 is started to exchange the positions of the two on-board chargers 201 and then release, at this time, the on-board charger 201 to be tested is placed on the tool plate 104 of the feeding and discharging station, while the on-board charger 201 which has completed aging test is placed on the linear conveyor belt 102, blocking cylinder 35 drives blocking plate 36 to reset, and the linear conveyor belt 102 sends out the on-board charger 201 which has completed aging test.

[0072] The above embodiments are only used to illustrate the technical solutions of the present application, but not limit it; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalents; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. An automatic loading and unloading vehicle charger aging test bench, comprising an annular conveyor belt (101), a linear conveyor belt (102) and a bracket (103), characterized in that: The annular conveyor belt (101) is provided with a group of loading and unloading stations, a group of splicing stations and a plurality of testing stations according to the material conveying direction. A plurality of tooling plates (104) and mounting plates (105) are fixedly installed at equal intervals on the annular conveyor belt (101). A clamping mechanism (5) is installed on the tooling plate (104), and a splicing mechanism (4) is installed on the mounting plate (105). The bracket (103) is provided between the annular conveyor belt (101) and the linear conveyor belt (102). A duplex material displacement mechanism (3) for displacing materials at the loading and unloading stations is installed on the bracket (103). The plug-in mechanism (4) includes a slide rail (41), a slider (42), an electric control box (43), a plug (44), a locking cylinder (45), an unlocking cylinder (46), a buffer reset assembly (47) and a locking assembly (48), wherein the slide rail (41) is fixedly mounted on the mounting plate (105), the slider (42) is connected to the slide rail (41) in a limited sliding manner, the slider (42) is fixedly mounted with the electric control box (43), and the electric control box (43) is fixedly mounted with a plug (44) plugged into the socket (202); the locking cylinder (45) and the unlocking cylinder (46) are fixedly mounted on the endless conveyor belt (101), and the locking cylinder (45) is located at the plug-in station, and the unlocking cylinder (46) is located at the loading and unloading station; the buffer reset assembly (47) is mounted between the electric control box (43) and the mounting plate (105), and the locking assembly (48) is mounted on the mounting plate (105); The locking assembly (48) includes a locking plate (481), a locking hole (482), a bracket (483), a locking pin (484), a second spring (485), a connecting block (486) and an inclined block (487); the bracket (483) is fixedly connected to the mounting plate (105); the locking pin (484) is limitedly slidably connected to the bracket (483); the connecting block (486) is fixedly installed at one end of the locking pin (484) away from the electric control box (43); the second spring (485) is fixedly installed between the connecting block (486) and the bracket (483); the inclined block (487) is fixedly installed on the connecting block (486) and slides with the piston ends of the locking cylinder (45) and the unlocking cylinder (46); The clamping mechanism (5) includes a first positioning wheel (51), a second positioning wheel (52) and a fastening assembly (53); the first positioning wheel (51) and the second positioning wheel (52) are rotatably mounted on the tooling plate (104) via bearings and are in rolling connection with the on-board charger (201) and the base plate (203); the first positioning wheel (51) and the second positioning wheel (52) are used to position the on-board charger (201) at a single angle; the tooling plate (104) is also mounted with a fastening assembly (53) for positioning the opposite side angle of the on-board charger (201); The fastening assembly (53) includes a fastening wheel (531), a connecting plate (532), a guide rod (533), a connecting frame (534), a third spring (535), a connecting rod (536), a universal ball (537) and a driving plate (538); the connecting frame (534) is fixedly mounted on the tooling plate (104); one end of the guide rod (533) is connected to the connecting frame (534) in a limited sliding manner; the other end of the connecting frame (534) is fixedly mounted with a connecting plate (532); two fastening wheels (531) for positioning the opposite side angles of the vehicle charger (201) are rotatably mounted on the connecting plate (532) via bearings; One end of the connecting rod (536) is fixedly connected to the connecting plate (532), and the other end of the connecting rod (536) is fixedly mounted with a universal ball (537); the driving plate (538) is fixedly mounted on the endless conveyor belt (101), and the universal ball (537) is rollingly connected to the driving plate (538); The driving plate (538) is composed of a locking section (5381) and a releasing section (5382). The releasing section (5382) is located at the loading and unloading station. The rest of the driving plate (538) is the locking section (5381). The distance between the releasing section (5382) and the universal ball (537) is greater than the distance between the locking section (5381) and the universal ball (537).

2. The automatic loading and unloading vehicle charger aging test bench according to claim 1 is characterized in that: The buffer reset assembly (47) includes a first stopper (471), a second stopper (472), a slide rod (473) and a first spring (474). The first stopper (471) is fixedly mounted on the electric control box (43), the second stopper (472) is fixedly mounted on the tooling plate (104), one end of the slide rod (473) is fixedly connected to the first stopper (471), and the other end of the slide rod (473) is limitedly slidably connected to the second stopper (472); and a first spring (474) is fixedly mounted between the first stopper (471) and the second stopper (472).

3. The automatic loading and unloading vehicle charger aging test bench according to claim 2 is characterized in that: The locking plate (481) is fixedly mounted on one side of the electric control box (43). The locking plate (481) is provided with a lock hole (482) for plugging into the lock pin (484). Rounded corners are provided on both sides of the locking plate (481) to facilitate pushing the lock pin (484).

4. The automatic loading and unloading vehicle charger aging test bench according to claim 3 is characterized in that: The duplex displacement mechanism (3) comprises a Z-axis cylinder (31), a rotary cylinder (32), a rotating plate (33), a magnetic gripper (34), a material blocking cylinder (35) and a material blocking plate (36), wherein the Z-axis cylinder (31) is fixedly mounted on a bracket (103), the output end of the Z-axis cylinder (31) is fixedly mounted with the rotary cylinder (32) via a connecting plate, the output end of the rotary cylinder (32) is fixedly mounted with the rotating plate (33), and the two ends of the rotating plate (33) are symmetrically fixedly mounted with magnetic grippers (34); the material blocking plate (36) is fixedly mounted on a linear conveyor belt (102), and the output end of the material blocking cylinder (35) is fixedly mounted with a material blocking plate (36) for blocking the on-board charger (201) to be tested.

5. A method for using the automatic loading and unloading vehicle charger aging test bench according to claim 4, characterized in that: The following steps are involved: Step 1: The linear conveyor belt (102) conveys the on-board charger (201) to be tested in the direction of the upper and lower material stations, the output end of the blocking cylinder (35) extends to drive the blocking plate (36) to move, and the blocking plate (36) blocks the on-board charger (201) so that the on-board charger (201) is located at a set position; the Z-axis cylinder (31) drives the rotating plate (33) to move vertically downward, and the on-board charger (201) to be tested is transferred to the tooling plate (104) of the circular conveyor belt (101) through the magnetic gripper (34); Step 2: The endless conveyor belt (101) drives the on-board charger (201) to be tested to leave the loading and unloading station, the universal ball (537) rolls on the driving plate (538), and the universal ball (537) moves from the release section (5382) to the locking section (5381), the locking section (5381) pushes the universal ball (537), and pushes the fastening wheel (531) through the connecting rod (536) and the connecting plate (532), so that the fastening wheel (531) approaches the on-board charger (201), and pushes the on-board charger (201) in the direction of the first positioning wheel (51) and the second positioning wheel (52), and finally the first positioning wheel (51) and the second positioning wheel (52) are positioned at one angle of the on-board charger (201), and the fastening wheel (531) is positioned at the opposite angle of the on-board charger (201), so that the position of the on-board charger (201) is fixed; Step 3: At the plug-in station, the output end of the locking cylinder (45) extends to push the electric control box (43), and the electric control box (43) moves toward the on-board charger (201) under the limiting action of the slide rail (41) and the slider (42) until the plug (44) and the socket (202) are plugged in; during the movement of the electric control box (43), the first stopper (471) and the second stopper (472) approach each other, and the first spring (474) is compressed, thereby reducing the distance between the socket (202) and the plug (44). ) between the locking plate (481) and the locking pin (484), pushing the locking pin (484), the second spring (485) is stretched, and when the plug (44) and the socket (202) are fully plugged in, the locking hole (482) is aligned with the locking pin (484), and the second spring (485) drives the locking pin (484) to reset and insert into the locking hole (482), fixing the position of the electric control box (43) so that the socket (202) and the plug (44) are not separated during the subsequent aging test; Step 4: The third spring (535) always presses the universal ball (537) against the driving plate (538), and the on-board charger (201) that has completed the aging test is transported back to the loading and unloading station. At this time, the universal ball (537) contacts the release section (5382), and the fastening wheel (531) is reset to release the on-board charger (201); Step 5: When the on-board charger (201) that has completed the aging test is transported back to the loading and unloading station, the output end of the unlocking cylinder (46) extends to push the inclined block (487), so that the locking pin (484) is disengaged from the lock hole (482), and the first spring (474) drives the electric control box (43) to reset, so that the plug (44) is separated from the socket (202); Step 6: The Z-axis cylinder (31) drives the rotating plate (33) to move vertically downward, so that the magnetic gripper (34) simultaneously grabs the on-board charger (201) that has completed the aging test on the circular conveyor belt (101) and the on-board charger (201) to be tested on the linear conveyor belt (102). The Z-axis cylinder (31) drives the rotating plate (33) to reset, and then starts the rotating cylinder (32) to make the two on-board chargers (201) exchange positions and then release them. At this time, the on-board charger (201) to be tested is placed on the tooling plate (104) of the loading and unloading station, and the on-board charger (201) that has completed the aging test is placed on the linear conveyor belt (102). The material blocking cylinder (35) drives the material blocking plate (36) to reset, and the linear conveyor belt (102) sends the on-board charger (201) that has completed the aging test out.

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