IGBT module cleaning device

Abstract

The utility model relates to the technical field of IGBT (Insulated Gate Bipolar Translator) production, and discloses an IGBT module cleaning device. The IGBT module cleaning device comprises a rack, a workbench, a conveying mechanism, a turnover mechanism and a dust removal mechanism, wherein the conveying mechanism, the turnover mechanism and the dust removal mechanism are arranged on the workbench; the conveying mechanism comprises a first conveying mechanism and a second conveying mechanism, the turnover mechanism is arranged between the first conveying mechanism and the second conveying mechanism, the dust removal mechanism is arranged below the turnover mechanism, the IGBT module is conveyed into the turnover mechanism through the first conveying mechanism, the IGBT module is turned over by 180 degrees through the turnover mechanism, the dust removal mechanism conducts dust removal and impurity removal on the IGBT module, and the IGBT module is conveyed to the conveying mechanism through the dust removal mechanism. And finally, the IGBT module is conveyed to the second conveyor from the turnover mechanism by the third conveying mechanism, so that the dust and impurity removal process of the IGBT module is completed. According to the IGBT module, the tedious operation of manually holding an air gun to clean the IGBT module is omitted, the efficiency and quality of dust removal and impurity removal are improved, and the cost of the IGBT module in the dust removal and impurity removal process is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of IGBT production, in particular to an IGBT module cleaning device. Background Art

[0002] IGBT (Insulated Gate Bipolar Transistor), insulated gate bipolar transistor, is a composite fully controlled voltage-driven power semiconductor device composed of BJT (bipolar junction transistor) and MOS (insulated gate field effect transistor). It has the advantages of both MOSFET's high input impedance and GTR's low on-state voltage drop.

[0003] IGBT modules are easily contaminated by external factors such as dust and static electricity during transportation. Therefore, IGBT modules need to be cleaned before and after processes such as glue filling and welding to ensure the production quality of IGBT modules. However, in the existing cleaning process, most of them are cleaned by manual handheld air guns. This cleaning method is inconvenient to operate, has low cleaning efficiency, and cannot guarantee uniform and comprehensive cleaning, resulting in low production quality of IGBT modules and high costs for manual cleaning.

[0004] Therefore, an IGBT module cleaning device is urgently needed to solve the above problems. Utility Model Content

[0005] Based on the above, the purpose of the utility model is to provide an IGBT module cleaning device to solve the problem of low cleaning efficiency and incomplete cleaning caused by the traditional manual handheld air gun blowing air to the IGBT module.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0007] The IGBT module cleaning device provided by the utility model comprises: a frame, which is composed of an upper frame and a lower frame, wherein a workbench is provided on the top surface of the lower frame, and the workbench is a hollow structure;

[0008] The transport mechanism comprises a first transport mechanism and a second transport mechanism. The first transport mechanism and the second transport mechanism have the same structure and comprise a transport frame, gears, a transmission belt and a driving motor. The gears are arranged at both ends of the transport frame. The transmission belts embrace the gears at both ends of the transport frame. The driving motor is arranged at one end of the transport frame and is drivingly connected to one of the gears. The first transport mechanism and the second transport mechanism are arranged on the workbench in a mirror-image manner and are used for transporting IGBT modules.

[0009] The flip mechanism is a cavity structure with hollow ends, and is arranged between the first transport mechanism and the second transport mechanism. The flip mechanism includes a flip frame, a drive motor, and a third transport mechanism arranged in the flip frame. The flip frame is rotatably mounted above the workbench through a bracket, and the drive motor is mounted on the workbench on one side of the bracket and is drivingly connected to the flip frame.

[0010] The dust removal mechanism is arranged below the flip mechanism, and includes a wind knife, a dust collecting assembly, a middle frame and a driving assembly. The wind knife is arranged above the middle frame, and the dust collecting assembly is connected to the lower end surface of the middle frame to collect dust blown down by the wind knife. The driving assembly is arranged on the upper end surface of the middle frame at one end of the wind knife and is connected to the wind knife drive. The driving assembly can drive the wind knife to reciprocate back and forth.

[0011] As an optional technical solution for the IGBT module cleaning device, an optical fiber sensor is further provided on the end of the transport frame away from the drive motor. There are four gears, which are respectively arranged on the inner sides of the four ends of the transport frame. There are two transmission belts, which are respectively arranged to embrace the two gears on the same side along the Y-axis direction. A first transmission shaft is provided between the two oppositely arranged gears at one end close to the drive motor. The drive motor drives the first transmission shaft to rotate, thereby driving the two transmission belts to rotate.

[0012] As an optional technical solution for the IGBT module cleaning device, it also includes a jig, the upper end surface of the jig is provided with a plurality of first limit grooves for carrying the IGBT module at intervals, and limit columns are respectively provided at the four corners near the upper end surface of the jig, and the first transport mechanism, the second transport mechanism and the third transport mechanism are all used for transporting the jig.

[0013] As an optional technical solution of the IGBT module cleaning device, a plurality of second limiting grooves are arranged at intervals on the top surface of the flip frame, and the spacing between the plurality of second limiting grooves is the same as the spacing between the plurality of first limiting grooves.

[0014] As an optional technical solution for the IGBT module cleaning device, the top surface of the flip frame is provided with limiting holes matching the limiting posts near its four corners, and the limiting posts can pass through the limiting holes.

[0015] As an optional technical solution for the IGBT module cleaning device, a lifting cylinder is vertically provided in the middle of the inner bottom surface of the flip frame, and the telescopic end of the lifting cylinder is arranged upward.

[0016] As an optional technical solution for the IGBT module cleaning device, a limiting cylinder is vertically provided on one side of the inner bottom surface of the flip frame close to the second transport mechanism, the telescopic end of the limiting cylinder is set upward, and a blocking block and an optical fiber sensor are provided at the telescopic end of the limiting cylinder.

[0017] As an optional technical solution for the IGBT module cleaning device, guide rails are respectively provided on the opposite sides of the middle frame, and a connecting plate is provided between the guide rails. The wind knife is rotatably mounted on the connecting plate, and the bottoms of both ends of the connecting plate are slidably connected to the guide rails through sliders. A second transmission shaft is provided at one end of the wind knife away from the drive assembly, and a drive motor is connected to the end of the second transmission shaft away from the wind knife, and the drive motor is used to drive the wind knife to swing left and right.

[0018] As an optional technical solution for the IGBT module cleaning device, support columns are vertically provided at the four corners near the top surface of the middle frame, the top ends of the support columns are fixedly connected to the bottom surface of the workbench, and dust collecting baffles are vertically provided on the four side frames of the middle frame, and the top of the dust collecting baffles abuts against the bottom surface of the workbench.

[0019] As an optional technical solution for the IGBT module cleaning device, the dust collecting assembly is a conical hollow structure with upper and lower openings. The bottom opening of the dust collecting assembly is a dust exhaust port, which is used to connect a negative pressure dust collector. A control display module is also provided on one side of the upper frame.

[0020] The beneficial effects of the utility model are:

[0021] The utility model provides an IGBT module cleaning device, which comprises a frame, a workbench, a transport mechanism, a flip mechanism and a dust removal mechanism; a jig carrying the IGBT module is placed on a first transport mechanism and transported to one end of a third transport mechanism, and then transported to the inside of the flip mechanism by the third transport mechanism, the jig is lifted up by a lifting cylinder, a limiting column on the jig is passed through a limiting hole to limit the jig, at this time, a driving motor connected to the flip mechanism flips the flip mechanism 180 degrees, so that the IGBT module on the jig faces the dust removal mechanism, the dust removal mechanism is started, and the wind knife moves the IGBT module on the jig to different positions through a driving component and a driving motor connected to the wind knife. And blowing at different angles to remove dust and impurities. After the dust removal is completed, the driving motor connected to the flip mechanism flips the flip mechanism 180 degrees again, and then the output end of the lifting cylinder shrinks and resets, and the fixture is lowered to the third transport mechanism. At the same time, the third transport mechanism transports the fixture to one end of the second transport mechanism, and the second transport mechanism transports the fixture to the other end of the second transport mechanism. At this point, the entire cleaning process of dust and impurity removal for the IGBT module is completed; under the above structure, the IGBT module cleaning device realizes an automated dust and impurity removal process, eliminates the tedious operation of manually holding an air gun to clean it, improves the efficiency and quality of dust and impurity removal, and reduces the cost of the IGBT module in the dust and impurity removal process. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model;

[0023] Figure 2 This is a partial structural schematic diagram of an IGBT module cleaning device in an embodiment of the utility model;

[0024] Figure 3 This is a schematic diagram of the structure of the transport mechanism in the embodiment of the utility model;

[0025] Figure 4 This is a schematic diagram of the structure of the fixture in the embodiment of the utility model;

[0026] Figure 5 It is a schematic diagram of the structure of the flip mechanism in the embodiment of the utility model at a first viewing angle;

[0027] Figure 6 It is a schematic diagram of the structure of the flip mechanism in the embodiment of the utility model at a second viewing angle;

[0028] Figure 7 This is a schematic diagram of the structure of the dust removal mechanism in the embodiment of the utility model;

[0029] Figure 8 It is a partial structural schematic diagram of the dust removal mechanism in the embodiment of the utility model;

[0030] In the figure:

[0031] 1. Rack; 11. Upper rack; 101. Control display module; 12. Lower rack;

[0032] 2. Workbench;

[0033] 3. First transport mechanism; 31. Transport frame; 301. Gear; 302. Transmission belt; 303. First transmission shaft; 32. Optical fiber sensor;

[0034] 4. fixture; 41. first limiting groove; 42. limiting column;

[0035] 5. Turning mechanism; 51. Turning frame; 501. Limiting hole; 502. Second limiting groove; 52. Third transport mechanism; 53. Lifting cylinder; 54. Limiting cylinder; 55. Stop block;

[0036] 6. Dust removal mechanism; 61. Dust collection assembly; 601. Dust discharge port; 62. Dust collection baffle; 63. Middle frame; 631. Support column; 632. Guide rail; 64. Wind knife; 604. Air inlet nozzle; 641. Connecting plate; 642. Press block; 643. Second transmission shaft; 65. Driving assembly;

[0037] 7. Secondary transport mechanism. DETAILED DESCRIPTION

[0038] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0039] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0041] In the description of this embodiment, terms such as "up", "down", "left", and "right" and other orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings and are only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they should not be understood as limitations on the present utility model.

[0042] In the description of the present invention, unless otherwise specified, the meaning of "plurality" is two or more than two. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0043] like Figure 1-8As shown, the utility model provides an IGBT module cleaning device, which includes: a frame 1, which is composed of an upper frame 11 and a lower frame 12, and a workbench 2 is arranged on the top surface of the lower frame 12, and the workbench 2 is a hollow structure; a transportation mechanism, including a first transportation mechanism 3 and a second transportation mechanism 7, the first transportation mechanism 3 and the second transportation mechanism 7 have the same structure, including a transportation frame 31, a gear 301, a transmission belt 302 and a driving motor, the gear 301 is arranged at both ends of the transportation frame 31, the transmission belt 302 is arranged around the gears 301 at both ends of the transportation frame 31, and the driving motor is arranged at one end of the transportation frame 31 and is drivingly connected to one of the gears 301; the first transportation mechanism 3 and the second transportation mechanism 7 are arranged on the workbench 2 in a mirror image, and are used for conveying the IGBT module; a flip mechanism 5 , which is a cavity structure with hollow ends, is arranged between the first transport mechanism 3 and the second transport mechanism 7. The flipping mechanism 5 includes a flipping frame 51, a driving motor and a third transport mechanism 52 arranged in the flipping frame 51. The flipping frame 51 is rotatably installed above the workbench 2 through a bracket. The driving motor is installed on the workbench 2 on one side of the bracket and is connected to the flipping frame 51. The dust removal mechanism 6 is arranged below the flipping mechanism 5, including a wind knife 64, a dust collecting component 61, a middle frame 63 and a driving component 65. The wind knife 64 is arranged above the middle frame 63, and the dust collecting component 61 is connected to the lower end surface of the middle frame 63 for collecting dust blown down by the wind knife 64. The driving component 65 is arranged on the upper end surface of the middle frame 63 at one end of the wind knife 64 and is connected to the wind knife 64. The driving component 65 can drive the wind knife 64 to reciprocate back and forth.

[0044] The IGBT module cleaning device provided by the utility model places the jig 4 carrying the IGBT module on the first transport mechanism 3 and transports it to one end of the third transport mechanism 52, and then transports it to the inside of the flip mechanism 5 by the third transport mechanism, and lifts the jig 4 upward by the lifting cylinder 53, and the limiting column 42 on the jig 4 is inserted into the limiting hole 501 to limit the jig 4. At this time, the driving motor connected to the flip mechanism 5 flips the flip mechanism 5 180 degrees, so that the IGBT module on the jig 4 faces the dust removal mechanism 6, and the dust removal mechanism 6 is started, and the wind knife 64 blows air at different positions and angles on the IGBT module on the jig 4 through the driving component 65 and the driving motor connected to the wind knife 64 to remove the dust. After dust removal, the driving motor connected to the flipping mechanism 5 flips the flipping mechanism 5 180 degrees again, and then the output end of the lifting cylinder 53 contracts and resets, and the fixture 4 is lowered to the third transport mechanism 52. At the same time, the third transport mechanism 52 transports the fixture 4 to one end of the second transport mechanism 7, and the second transport mechanism 7 transports the fixture 4 to the other end of the second transport mechanism 7. At this point, the entire cleaning process of dust removal and impurity removal for the IGBT module is completed; under the above structure, the IGBT module cleaning device realizes an automated dust removal and impurity removal process, eliminates the tedious operation of manually holding an air gun to clean it, improves the efficiency and quality of dust removal and impurity removal, and reduces the cost of the IGBT module in the dust removal and impurity removal process.

[0045] In this embodiment, if Figure 2 and Figure 3 As shown, the first transport mechanism 3, the second transport mechanism 7 and the third transport mechanism 52 are relatively arranged on the same horizontal plane, and the jig 4 carrying the IGBT module is connected and transported to each other; the first transport mechanism 3 is fixedly connected to the workbench 2 through brackets respectively arranged on both sides of the transport frame 31, there are four gears 301 on the first transport mechanism 3, which are respectively arranged on the inner sides of the four ends of the transport frame 31, there are two transmission belts 302, which are respectively arranged to embrace the two gears 301 on the same side along the Y-axis direction, and a first transmission shaft 303 is arranged between the two oppositely arranged gears 301 at one end close to the driving motor, and the two ends of the first transmission shaft 303 are respectively connected with the gears 301 by bearing sleeves, and the driving motor drives the gear 301 connected to one end of the first transmission shaft 303 to rotate the first transmission shaft 303, thereby driving the gear 301 connected to the other end of the first transmission shaft 303 to drive the two driving belts to rotate; the driving belt is a toothed belt, which is meshed and rotatably connected with the gear 301. An optical fiber sensor 32 is also provided on one end of the transport frame 31 away from the driven motor. The optical fiber sensor 32 is used to sense the transport position of the fixture 4 on the first transport mechanism 3 .

[0046] Specifically, Figures 4 to 6As shown, the jig 4 is provided with a plurality of first limiting grooves 41 for carrying the IGBT module at intervals, preferably three first limiting grooves 41, and four limiting posts 42 are vertically provided on the upper end surface of the jig 4 near its four corners, and the limiting posts 42 can be cylindrical or square in shape; the top surface of the flip frame 51 is provided with a plurality of second limiting grooves 502 at intervals, preferably three second limiting grooves 502, and the second limiting grooves 502 are mirror images of the first limiting grooves 41 and are arranged on the top surface of the flip frame 51, and limiting posts 42 on the jig 4 are respectively provided on the top surface of the flip frame 51 near its four corners. Hole 501, the limiting hole 501 can be cylindrical or square in shape; a lifting cylinder 53 is vertically upwardly provided in the middle of the inner bottom surface of the flip frame 51, and the telescopic end of the lifting cylinder 53 is arranged upward. When the telescopic end of the lifting cylinder 53 is extended upward, the end of the telescopic end of the lifting cylinder 53 abuts against the bottom of the fixture 4 on the third transport mechanism 52, and continues to lift upward until the limiting column 42 on the fixture 4 is inserted into the limiting hole 501 and the IGBT module is sleeved into the second limiting groove 502 to limit and fix it, so as to prevent the fixture 4 and the IGBT module from falling or the fixture 4 from being displaced during the flipping process of the flipping mechanism 5.

[0047] In this embodiment, if Figure 6 As shown, a limit cylinder 54 is vertically provided on one side of the inner bottom surface of the flip frame 51 close to the second transport mechanism 7, and the telescopic end of the limit cylinder 54 is arranged upward, and a blocking block 55 and an optical fiber sensor 32 are provided at the end of the telescopic end of the limit cylinder 54. When the jig 4 carrying the IGBT module sleeve is transported from the first transport mechanism 3 to the third transport mechanism 52, the end of the jig 4 close to the blocking block 55 will abut against the blocking block 55. At this time, the optical fiber sensor 32 sends a signal, and the driving motor on the third transport mechanism 52 stops rotating. The combination of the blocking block 55 and the optical fiber sensor 32 enables the jig 4 to be accurately positioned on the third transport mechanism 52; both ends of the flip frame 51 are rotatably connected to the bracket through bearings, and the bracket is fixedly mounted on the workbench 2. Two optical fiber sensors 32 are provided on the bracket away from the driving motor side, so that the flip mechanism 5 is fixed at an angle of 180 degrees for reciprocating flipping, so that the IGBT module on the jig 4 can face the wind knife 64 on the dust removal mechanism 6 after flipping downward, thereby improving the comprehensiveness and quality of the wind knife 64 for dust removal and impurity removal of the IGBT module.

[0048] In this embodiment, if Figure 7-8As shown, the dust collecting component 61 is a conical hollow structure with upper and lower openings, the upper opening is connected to the bottom of the middle frame 63, the lower opening is smaller than the upper opening, and the lower opening is a dust exhaust port 601, and the dust exhaust port 601 is used to connect a negative pressure dust collector (not shown in the figure). The wind knife 64 blows up the clean dust that falls into the IGBT module and passes through the dust collecting component 61, and is discharged along the dust exhaust port 601 under the action of the negative pressure airflow, thereby avoiding secondary pollution caused by the fallen dust and improving the cleaning quality of the IGBT module.

[0049] Specifically, guide rails 632 are respectively provided on the upper end surfaces on both sides of the middle frame 63, and a connecting plate 641 is connected between the guide rails 632. The wind knife 64 is swingably installed on the connecting plate 641 through a bearing seat. One end of the wind knife 64 is connected to a second transmission shaft 643, and the other end of the second transmission shaft 643 is penetrated by a bearing seat and connected to a driving motor. The driving motor drives the second transmission shaft 643 to rotate, thereby driving the wind knife 64 to swing. At the same time, optical fiber sensors 32 are provided on both sides of the connecting plate 641 near one end of the driving motor. The optical fiber sensor 32 is used to limit the swing angle of the wind knife 64 to prevent the wind knife 64 from rotating 360 degrees under the drive of the driving motor, thereby ensuring the wind knife 64 IGBT module In order to improve the cleaning efficiency of the block, an air inlet nozzle 604 is provided on one end of the wind knife 64 close to the transmission shaft, which is used to connect the air pipe of the air pump (not shown in the figure). A slider is provided on the lower bottom surface of both ends of the connecting plate 641. The connecting plate 641 is slidably connected to the track on the middle frame 63 through the sliders at the bottom of both ends. At the same time, a pressure block 642 is provided at the upper end of the connecting plate 641 away from the driving motor. The driving assembly consists of a driving motor, a driving belt and two driving gears. The pressure block 642 fixes and presses the driving belt on the driving assembly 65 on the connecting plate 641. The driving assembly 65 drives the connecting plate 641 and the wind knife 64 on the connecting plate 641 to move back and forth, so that the wind knife 64 can more comprehensively remove dust and impurities from the IGBT module.

[0050] Specifically, Figure 7 As shown, support columns 631 are vertically provided at the four corners of the top surface of the middle frame 63, and the top ends of the support columns 631 are fixedly connected to the bottom surface of the workbench 2. That is to say, the dust removal mechanism 6 is connected to the bottom of the workbench 2 through the four support columns 631, and dust collecting baffles 62 are vertically provided on the four side frames of the middle frame 63, and the top of the dust collecting baffle 62 is abutted against the bottom surface of the workbench 2. The dust collecting baffle 62 can better block the fallen dust and prevent the dust from flying everywhere and causing secondary pollution.

[0051] Further, such as Figure 1 As shown, a control display module 101 is also provided on one side of the upper frame 11 located at the first transport mechanism 3. The control display module 101 can regulate various mechanisms in the IGBT module cleaning device, and display and record the operating status and data of the device.

[0052] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model is disclosed as a preferred embodiment as above, it is not used to limit the utility model. Any technician familiar with this profession can make some changes or modifications to equivalent embodiments of equivalent changes by using the technical content disclosed above without departing from the scope of the technical solution of the utility model. However, any simple modification, equivalent change and modification made to the above embodiments according to the technology of the utility model, which does not depart from the content of the technical solution of the utility model, belongs to the scope of the technical solution of the utility model.

Claims

1. An IGBT module cleaning device, used for dust removal and cleaning of an IGBT module, characterized in that: include: The frame is composed of an upper frame and a lower frame, the top surface of the lower frame is provided with a workbench, and the workbench is a hollow structure; The transport mechanism comprises a first transport mechanism and a second transport mechanism. The first transport mechanism and the second transport mechanism have the same structure and comprise a transport frame, gears, a transmission belt and a driving motor. The gears are arranged at both ends of the transport frame. The transmission belts embrace the gears at both ends of the transport frame. The driving motor is arranged at one end of the transport frame and is drivingly connected to one of the gears. The first transport mechanism and the second transport mechanism are arranged on the workbench in a mirror-image manner and are used for transporting IGBT modules. The flip mechanism is a cavity structure with hollow ends, and is arranged between the first transport mechanism and the second transport mechanism. The flip mechanism includes a flip frame, a drive motor, and a third transport mechanism arranged in the flip frame. The flip frame is rotatably mounted above the workbench through a bracket, and the drive motor is mounted on the workbench on one side of the bracket and is drivingly connected to the flip frame. The dust removal mechanism is arranged below the flip mechanism, and includes a wind knife, a dust collecting assembly, a middle frame and a driving assembly. The wind knife is arranged above the middle frame, and the dust collecting assembly is connected to the lower end surface of the middle frame to collect dust blown down by the wind knife. The driving assembly is arranged on the upper end surface of the middle frame at one end of the wind knife and is connected to the wind knife drive. The driving assembly can drive the wind knife to reciprocate back and forth.

2. The IGBT module cleaning device according to claim 1, characterized in that: An optical fiber sensor is also provided on the end of the transport frame away from the driving motor. There are four gears, which are respectively arranged on the inner sides of the four ends of the transport frame. There are two transmission belts, which are respectively arranged to embrace the two gears on the same side along the Y-axis direction. A first transmission shaft is provided between the two oppositely arranged gears at one end close to the driving motor. The driving motor drives the first transmission shaft to rotate, thereby driving the two transmission belts to rotate.

3. The IGBT module cleaning device according to claim 1, characterized in that: It also includes a jig, the upper end surface of which is provided with a plurality of first limiting grooves for carrying the IGBT module at intervals, and limiting columns are respectively provided at the four corners near the upper end surface of the jig, and the first transport mechanism, the second transport mechanism and the third transport mechanism are all used for transporting the jig.

4. The IGBT module cleaning device according to claim 3, characterized in that: A plurality of second limiting grooves are arranged at intervals on the top surface of the flip frame, and the spacing between the plurality of second limiting grooves is the same as the spacing between the plurality of first limiting grooves.

5. The IGBT module cleaning device according to claim 4, characterized in that: The top surface of the flip frame is provided with limiting holes matching the limiting posts near the four corners thereof, and the limiting posts can pass through the limiting holes.

6. The IGBT module cleaning device according to claim 5, characterized in that: A lifting cylinder is vertically arranged in the middle of the inner bottom surface of the turning frame, and the telescopic end of the lifting cylinder is arranged upward.

7. The IGBT module cleaning device according to claim 6, characterized in that: A limiting cylinder is vertically arranged on one side of the inner bottom surface of the flip frame close to the second transport mechanism, the telescopic end of the limiting cylinder is arranged upward, and a blocking block and an optical fiber sensor are arranged at the end of the telescopic end of the limiting cylinder.

8. The IGBT module cleaning device according to claim 1, characterized in that: Guide rails are respectively provided on the opposite sides of the middle frame, and a connecting plate is provided between the guide rails. The wind knife is rotatably mounted on the connecting plate, and the bottoms of both ends of the connecting plate are slidably connected to the guide rails through sliders. A second transmission shaft is provided at one end of the wind knife away from the driving assembly, and a driving motor is connected to the end of the second transmission shaft away from the wind knife, and the driving motor is used to drive the wind knife to swing left and right.

9. The IGBT module cleaning device according to claim 8, characterized in that: Support columns are vertically arranged at the four corners near the top surface of the middle frame, the top ends of the support columns are fixedly connected to the bottom surface of the workbench, and dust collecting baffles are vertically arranged on the four side frames of the middle frame, and the tops of the dust collecting baffles are abutted against the bottom surface of the workbench.

10. The IGBT module cleaning device according to any one of claims 1 to 9, characterized in that: The dust collecting component is a conical hollow structure with upper and lower openings. The bottom opening of the dust collecting component is a dust exhaust port, and the dust exhaust port is used to connect a negative pressure dust collector. A control display module is also provided on one side surface of the upper frame.

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