Automatic PPK performance test board

Abstract

The invention relates to the technical field of motor detection, and discloses an automatic PPK performance test board which comprises a test board body, the test board body comprises a conveying module, a positioning module, a detection module and a loading module, the detection module comprises a supporting frame fixedly connected to the top of the test board body, and a universal communication docking device is arranged on the inner wall of the supporting frame. And a downward pressing air cylinder is fixedly installed on the inner top wall of the supporting frame, a pin base is assembled at the output end of the downward pressing air cylinder, and a pin detection assembly is arranged in the pin base. According to the automatic PPK performance test board, automatic feeding and discharging are achieved, the equipment efficiency is improved, manual intervention is reduced, equipment automatic testing is achieved, the consistency is high, the product quality is improved, and due to the fact that the pin base is simply arranged and replaced, the types of produced products can be rapidly switched, the utilization rate of the equipment is improved, and the input cost of the equipment is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of motor detection, in particular to an automatic PPK performance test bench. Background Art

[0002] After the motor is assembled and before leaving the factory, the motor performance needs to be tested to ensure the normal use of the motor in the future. The most important of these are the motor impedance test, voltage resistance test, torque performance test and suspension force performance test.

[0003] At present, such equipment is semi-automatic and inefficient, and requires manual assistance, which cannot achieve fully automatic production. Manual testing usually takes a long time to set up and adjust the test equipment, which may lead to low overall test efficiency. Manual operation may introduce human errors, which may affect the accuracy of the test results. For example, reading errors, setting errors or operating errors may lead to inaccurate test results. In modern manufacturing, automation and system integration are becoming increasingly important. Manual testing may be difficult to seamlessly integrate with automated production lines and information systems. Therefore, an automatic PPK performance test bench is urgently needed to solve the above problems. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the present invention provides an automatic PPK performance test bench having the advantages of high detection efficiency, etc., which solves the problems that the existing motor testing equipment has low efficiency, requires manual auxiliary operations, and cannot achieve fully automatic production.

[0006] (II) Technical solution

[0007] The technical solution of the present invention to solve the above technical problem is as follows: an automatic PPK performance test bench, comprising a test bench, wherein the test bench comprises a conveying module, a positioning module, a detection module and a loading module;

[0008] The detection module comprises a support frame fixedly connected to the top of the test bench, a universal communication docking device is arranged on the inner wall of the support frame, a downward pressure cylinder is fixedly installed on the inner top wall of the support frame, a pin base is assembled on the output end of the downward pressure cylinder, and a detection pin assembly is arranged inside the pin base;

[0009] The loading module comprises a mounting frame arranged at the bottom of the test bench, a servo motor is fixedly installed at the bottom of the mounting frame, a torque sensor is installed inside the mounting frame, the torque sensor is arranged on the output shaft of the servo motor through a coupling, a connecting piece is installed at one end of the torque sensor away from the servo motor through a coupling, a guide rod cylinder is fixedly connected to the top of the mounting frame, and the output end of the guide rod cylinder is fixedly connected to the bottom of the test bench;

[0010] The positioning module comprises a first lifting cylinder fixedly connected to the top of the test bench, a lifting plate is fixedly connected to the output end of the first lifting cylinder, and a first conveying belt device is arranged on the top of the test bench;

[0011] The conveying module includes a driven wheel conveyor assembled on the top of the test bench, the driven wheel conveyor is externally connected to a transmission member, a loading tray is arranged on the top of the transmission member, a second lifting cylinder is fixedly connected to the top of the test bench, a feeding platform is fixedly connected to the output end of the second lifting cylinder, and a second conveying belt device is assembled inside the feeding platform.

[0012] The beneficial effects of the present invention are:

[0013] The automatic PPK performance test bench has automatic material loading and unloading, which improves equipment efficiency and reduces manual intervention. The equipment automatically tests with high consistency, which improves product quality. Because the equipment can replace the pin base through simple settings, it can quickly switch production product models, improve equipment utilization rate and reduce equipment investment costs.

[0014] Based on the above technical solution, the present invention can also be improved as follows.

[0015] Furthermore, the top of the test bench is fixedly connected to a limiting support leg, the bottom of the limiting support leg rests against the loading tray, the first conveying belt device includes a rotating shaft rotatably connected to the inner wall of the limiting support leg, the outside of the rotating shaft is fixedly connected to a first pulley, a driving motor is fixedly installed on the top of the test bench, a second pulley is fixedly connected to the output shaft of the driving motor, the first pulley is connected to the second pulley through a transmission belt, there are two rotating shafts, third pulleys are respectively provided at both ends of the two rotating shafts, and the third pulleys on the two rotating shafts are connected through a conveying belt.

[0016] The beneficial effect of adopting the above further solution is that the loading tray is pressed and fixed by the limiting support legs against the loading tray and cooperating with the first lifting cylinder.

[0017] Furthermore, an upper rack is arranged on the top of the test bench, a PLC controller is arranged on the upper rack, and a lower rack is arranged on the bottom of the test bench.

[0018] The beneficial effect of adopting the above further solution is that the PLC controller is responsible for executing the structural part of the actions.

[0019] Furthermore, a motor to be tested is placed on the loading tray, a testing port is provided on the test bench below the loading tray, the connecting piece is located at the center of the testing port, and a socket is provided on the connecting piece to be plugged into the output shaft of the motor to be tested.

[0020] The beneficial effect of adopting the above further solution is that the mounting frame is moved upward by starting the guide rod cylinder, so that the output shaft of the motor to be tested is inserted into the socket of the connecting piece, and the torque of the motor to be tested is detected by the torque sensor.

[0021] Furthermore, a positioning rod is fixedly connected to the bottom of the pin base, a positioning plate is fixedly connected to the bottom of the positioning rod, and a cross-shaped detection port adapted to the motor to be tested is provided inside the positioning plate.

[0022] The beneficial effect of adopting the above further solution is that by starting the downward pressure cylinder, the positioning plate is pressed against the top of the motor to be tested, thereby maintaining the stability of the motor to be tested.

[0023] Furthermore, the detection pin assembly includes a power pin and a communication pin. A socket compatible with the detection pin assembly is provided on the top of the motor to be tested. The power pin is connected to a power source to power on the motor to be tested. The communication pin is connected to a universal communication docking device signal. A junction box is provided on the back of the support frame.

[0024] The beneficial effect of adopting the above further solution is that the motor to be tested is powered on through the power plug, so that the motor to be tested can be started to detect its torque.

[0025] Furthermore, a return conveyor is installed inside the lower frame of the frame, a feeding port is opened on the left and right side walls of the upper frame of the frame, and a return port is opened on the left and right side walls of the lower frame of the frame.

[0026] The beneficial effect of adopting the above further solution is that by providing a return conveyor to return the load tray, the continuous operation of the production line is ensured.

[0027] Furthermore, a photoelectric sensor is mounted on the inner side wall of the driven wheel conveyor, and the feeding platform is located inside the driven wheel conveyor. The number of the feeding platforms is three.

[0028] The beneficial effect of adopting the above further solution is that three motors can be tested simultaneously, thereby improving processing efficiency.

[0029] Furthermore, a C-shaped fastener is fixedly connected to the output end of the downward pressure cylinder, and two symmetrical L-shaped fasteners are fixedly connected to the bottom of the C-shaped fastener. The pin base is located between the two L-shaped fasteners, and a threaded hole is provided inside the pin base. The internal thread of the C-shaped fastener is connected to a bolt that matches the threaded hole.

[0030] The beneficial effect of adopting the above further solution is that by removing the bolt, the C-shaped fastener can be removed and replaced with a pin of another type, so that the production product model can be quickly switched, the equipment utilization rate is improved, and the equipment investment cost is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a schematic diagram of the structure of the present invention;

[0032] Figure 2 It is a top view of the structure of the present invention;

[0033] Figure 3 It is a side view of the structure of the present invention;

[0034] Figure 4 It is a top view of the structure of the positioning module in the present invention;

[0035] Figure 5 A bottom view of the structure of the positioning module in the present invention;

[0036] Figure 6 It is a structural front view of the positioning module in the present invention;

[0037] Figure 7 It is a schematic diagram of the enlarged structure of Figure A of the present invention;

[0038] Figure 8 It is a structural schematic diagram of the detection module in the present invention;

[0039] Fig. 9 It is a structural schematic diagram of the loading module in the present invention;

[0040] Fig.10 It is a structural schematic diagram of the conveying module in the present invention;

[0041] Fig.11 It is a schematic diagram of the structure of the pin base in the present invention;

[0042] Fig.12 This is a test software framework diagram in the present invention;

[0043] Fig.13 This is a diagram of the test hardware framework in the present invention.

[0044] In the figure: 1. test bench; 2. support frame; 3. universal communication docking device; 4. downward pressure cylinder; 5. pin base; 51. positioning rod; 52. positioning plate; 53. cross-shaped detection port; 54. C-shaped fastener; 55. L-shaped fixing piece; 56. threaded hole; 6. detection pin assembly; 7. mounting frame; 81. servo motor; 82. torque sensor; 83. connecting piece; 84. guide rod cylinder; 9. first lifting cylinder; 10. top Lifting plate; 11. Loading tray; 12. First conveyor belt device; 121. Rotating shaft; 122. First pulley; 123. Driving motor; 124. Second pulley; 125. Third pulley; 13. Driven wheel conveyor; 14. Transmission member; 15. Feeding platform; 16. Second conveyor belt device; 17. Limiting support foot; 18. Return conveyor; 19. Rack upper shelf; 20. PLC controller; 21. Rack lower shelf. DETAILED DESCRIPTION

[0045] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0046] In the embodiment, Figure 1-13 An automatic PPK performance test bench is provided. The invention comprises a test bench 1. The test bench 1 comprises a conveying module, a positioning module, a detection module and a loading module.

[0047] The conveying module includes a driven wheel conveyor 13 assembled on the top of the test bench 1, the driven wheel conveyor 13 is externally connected to a transmission member 14, a loading tray 11 is arranged on the top of the transmission member 14, a second lifting cylinder is fixedly connected to the top of the test bench 1, a feeding platform 15 is fixedly connected to the output end of the second lifting cylinder, and a second conveying belt device 16 is assembled inside the feeding platform 15.

[0048] A photoelectric sensor is mounted on the inner wall of the driven wheel conveyor 13 . The feeding platform 15 is located inside the driven wheel conveyor 13 . There are three feeding platforms 15 , which can detect three motors at the same time, thereby improving processing efficiency.

[0049] An upper rack 19 is arranged on the top of the test bench 1, and a PLC controller 20 is arranged on the upper rack 19. A lower rack 21 is arranged on the bottom of the test bench 1, and the PLC controller is responsible for executing the actions of the structural part.

[0050] A return conveyor 18 is installed inside the lower frame 21 of the frame, a feeding port is opened on the left and right side walls of the upper frame 19 of the frame, and a return port is opened on the left and right side walls of the lower frame 21 of the frame. The return conveyor is set to return the loading tray to ensure the continuous operation of the production line.

[0051] The positioning module includes a first lifting cylinder 9 fixedly connected to the top of the test bench 1, a lifting plate 10 is fixedly connected to the output end of the first lifting cylinder 9, and a first conveying belt device 12 is provided on the top of the test bench 1;

[0052] The top of the test bench 1 is fixedly connected to a limiting support leg 17, the bottom of the limiting support leg 17 is against the loading tray 11, the first conveying belt device 12 includes a rotating shaft 121 rotatably connected to the inner wall of the limiting support leg 17, the outside of the rotating shaft 121 is fixedly connected to a first pulley 122, a driving motor 123 is fixedly installed on the top of the test bench 1, a second pulley 124 is fixedly connected to the output shaft of the driving motor 123, the first pulley 122 is transmission-connected to the second pulley 124 via a transmission belt, there are two rotating shafts 121, and third pulleys 125 are respectively provided at both ends of the two rotating shafts 121, and the third pulleys 125 on the two rotating shafts 121 are transmission-connected via a conveying belt.

[0053] A fixture for fixing the motor to be tested is provided on the loading tray 11 , and the loading tray 11 is pressed and fixed by the limiting legs 17 against the loading tray 11 and in cooperation with the first lifting cylinder 9 .

[0054] The detection module includes a support frame 2 fixedly connected to the top of the test bench 1, a universal communication docking device 3 is arranged on the inner wall of the support frame 2, a downward pressure cylinder 4 is fixedly installed on the inner top wall of the support frame 2, a pin base 5 is assembled on the output end of the downward pressure cylinder 4, a detection pin assembly 6 is arranged inside the pin base 5, a positioning rod 51 is fixedly connected to the bottom of the pin base 5, a positioning plate 52 is fixedly connected to the bottom of the positioning rod 51, and a cross-shaped detection port 53 adapted to the motor to be tested is opened inside the positioning plate 52.

[0055] The detection pin assembly 6 includes a power pin and a communication pin. A socket compatible with the detection pin assembly is set on the top of the motor to be tested. The power pin is connected to the power supply to power on the motor to be tested. The communication pin is connected to the signal of the universal communication docking device. A junction box is set on the back of the support frame 2.

[0056] By starting the downward pressure cylinder 4, the positioning plate 52 is pressed against the top of the motor to be tested to maintain the stability of the motor to be tested. The motor to be tested is powered on through the power plug, so that the motor to be tested can be started to detect its torque. The circuit of the motor to be tested is tested through the communication plug.

[0057] A C-shaped fastener 54 is fixedly connected to the output end of the downward pressure cylinder 4, and two symmetrical L-shaped fasteners 55 are fixedly connected to the bottom of the C-shaped fastener 54. The pin base 5 is located between the two L-shaped fasteners 55. A threaded hole 56 is provided inside the pin base 5, and the internal thread of the C-shaped fastener 54 is connected to a bolt that is compatible with the threaded hole 56.

[0058] By removing the bolts, the C-shaped fastener 54 can be removed and replaced with a pin of another type, so that the production product model can be quickly switched, the equipment utilization rate is improved, and the equipment investment cost is reduced.

[0059] The loading module includes a mounting frame 7 arranged at the bottom of the test bench 1, a servo motor 81 is fixedly installed at the bottom of the mounting frame 7, a torque sensor 82 is installed inside the mounting frame 7, the torque sensor 82 is arranged on the output shaft of the servo motor 81 through a coupling, and a connector 83 is installed at one end of the torque sensor 82 away from the servo motor 81 through a coupling, a guide rod cylinder 84 is fixedly connected to the top of the mounting frame 7, and the output end of the guide rod cylinder 84 is fixedly connected to the bottom of the test bench 1;

[0060] The motor to be tested is placed on the loading tray 11 , a testing port is provided at the test bench 1 below the loading tray 11 , a connector 83 is located at the center of the testing port, and a socket is provided on the connector 83 to be plugged into the output shaft of the motor to be tested.

[0061] By starting the guide rod cylinder 84 to move the mounting frame 7 upward, the output shaft of the motor to be tested is inserted into the socket of the connecting piece 83, the motor to be tested is started, the servo motor 81 is used to provide assistance and cooperate with the torque sensor 82 to detect the torque of the motor to be tested.

[0062] Working principle:

[0063] First: the object tray 11 is transported by the driven wheel conveyor 13, the arrival of the object is detected by the photoelectric sensor, and the second lifting cylinder is started to lift the feeding platform 15. At this time, the loading tray 11 is lifted up by the feeding platform 15 and separated from the transmission member 14, and then the second conveying belt device 16 is started to transport the loading tray 11 to the first conveying belt device 12, and the loading tray 11 is lifted up by starting the first lifting cylinder 9, and the limiting support foot 17 is used to press against the loading tray 11 for positioning and fixing;

[0064] Then: start the downward pressure cylinder 4 to make the positioning plate 52 press against the top of the motor to be tested, power on the motor to be tested through the power plug, and perform circuit detection on the motor to be tested through the communication plug. At the same time, start the guide rod cylinder 84 to move the mounting frame 7 upward, so that the output shaft of the motor to be tested is inserted into the socket of the connecting piece 83, start the motor to be tested, and use the servo motor 81 to provide assistance and cooperate with the torque sensor 82 to detect the torque of the motor to be tested. After the detection, the loading tray 11 is transported back to the driven wheel conveyor 13 and continued to be transported to the next production line.

[0065] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0066] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic PPK performance test bench, comprising a test bench (1), Features: The test bench (1) comprises a conveying module, a positioning module, a detection module and a loading module; The detection module comprises a support frame (2) fixedly connected to the top of the test bench (1), a universal communication docking device (3) is arranged on the inner wall of the support frame (2), a downward pressure cylinder (4) is fixedly installed on the inner top wall of the support frame (2), a pin base (5) is assembled on the output end of the downward pressure cylinder (4), and a detection pin assembly (6) is arranged inside the pin base (5); The loading module comprises a mounting frame (7) arranged at the bottom of the test bench (1), a servo motor (81) is fixedly mounted at the bottom of the mounting frame (7), a torque sensor (82) is mounted inside the mounting frame (7), the torque sensor (82) is arranged on the output shaft of the servo motor (81) via a coupling, a connecting piece (83) is installed at one end of the torque sensor (82) away from the servo motor (81) via a coupling, a guide rod cylinder (84) is fixedly connected to the top of the mounting frame (7), and the output end of the guide rod cylinder (84) is fixedly connected to the bottom of the test bench (1); The positioning module comprises a first lifting cylinder (9) fixedly connected to the top of the test bench (1), a lifting plate (10) being fixedly connected to the output end of the first lifting cylinder (9), and a first conveying belt device (12) being arranged on the top of the test bench (1); The conveying module comprises a driven wheel conveyor (13) assembled and arranged on the top of the test bench (1); the driven wheel conveyor (13) is externally connected to a transmission member (14); a loading tray (11) is arranged on the top of the transmission member (14); a second lifting cylinder is fixedly connected to the top of the test bench (1); a feeding platform (15) is fixedly connected to the output end of the second lifting cylinder; and a second conveying belt device (16) is assembled inside the feeding platform (15).

2. An automatic PPK performance test bench according to claim 1, Features: The top of the test bench (1) is fixedly connected to a limit support leg (17), the bottom of the limit support leg (17) abuts against the loading tray (11), the first conveying belt device (12) comprises a rotating shaft (121) rotatably connected to the inner side wall of the limit support leg (17), the outside of the rotating shaft (121) is fixedly connected to a first belt pulley (122), a driving motor (123) is fixedly installed on the top of the test bench (1), the output shaft of the driving motor (123) is fixedly connected to a second belt pulley (124), the first belt pulley (122) is transmission-connected to the second belt pulley (124) via a transmission belt, the number of the rotating shafts (121) is two, and third belt pulleys (125) are respectively arranged at both ends of the two rotating shafts (121), and the third belt pulleys (125) on the two rotating shafts (121) are transmission-connected via a conveying belt.

3. An automatic PPK performance test bench according to claim 1, Features: An upper rack (19) is arranged on the top of the test bench (1), a PLC controller (20) is arranged on the upper rack (19), and a lower rack (21) is arranged on the bottom of the test bench (1).

4. The automatic PPK performance test bench according to claim 1, Features: A motor to be tested is placed on the loading tray (11), a testing port is provided on the test bench (1) below the loading tray (11), the connecting piece (83) is located at the center of the testing port, and a socket is provided on the connecting piece (83) for plugging into the output shaft of the motor to be tested.

5. The automatic PPK performance test bench according to claim 1, Features: The bottom of the pin base (5) is fixedly connected to a positioning rod (51), the bottom of the positioning rod (51) is fixedly connected to a positioning plate (52), and the interior of the positioning plate (52) is provided with a cross-shaped detection port (53) adapted to the motor to be tested.

6. An automatic PPK performance test bench according to claim 4, Features: The detection pin assembly (6) comprises a power pin and a communication pin. A socket adapted to the detection pin assembly is arranged on the top of the motor to be tested. The power pin is connected to a power source to energize the motor to be tested. The communication pin is connected to a universal communication docking device for signal connection. A junction box is arranged on the back of the support frame (2).

7. An automatic PPK performance test bench according to claim 3, Features: A return conveyor (18) is installed inside the lower frame (21) of the frame, a feeding port is opened on the left and right side walls of the upper frame (19), and a return port is opened on the left and right side walls of the lower frame (21).

8. An automatic PPK performance test bench according to claim 1, Features: A photoelectric sensor is mounted on the inner side wall of the driven wheel conveyor (13); the feeding platform (15) is located inside the driven wheel conveyor (13); and the number of the feeding platforms (15) is three.

9. The automatic PPK performance test bench according to claim 1, Features: A C-shaped fastener (54) is fixedly connected to the output end of the downward pressure cylinder (4), two symmetrical L-shaped fasteners (55) are fixedly connected to the bottom of the C-shaped fastener (54), the pin base (5) is located between the two L-shaped fasteners (55), a threaded hole (56) is provided inside the pin base (5), and a bolt matching the threaded hole (56) is threadedly connected to the inside of the fastener (54).

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