Quantitative coating equipment for IGBT (Insulated Gate Bipolar Translator)
By designing IGBT quantitative coating equipment, the uniform extrusion and "back" font coating of silicon grease are achieved using quantitative discharge components and uniform translation components, which solves the problems of waste of residual silicon grease and low coating efficiency in the prior art, and significantly improves the coating efficiency.
Patent Information
- Application Number
- CN202421679619.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-16
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-07-16
AI Technical Summary
In the existing IGBT coating technology, residual silicon grease is wasted a lot, and the time to clean the steel mesh and scraper is long, resulting in low coating efficiency.
An IGBT quantitative coating equipment is designed, including a quantitative discharge assembly and a uniform translation assembly, which uniformly extrudes silicon grease through a tubular container and a pressure adjustment device, and adjusts the position of the fixing frame and the specimen fixing table through the X-axis module, the Y-axis module and the Z-axis module, so that the quantitative discharge assembly is coated in a "back" shape on the specimen to be coated.
Quantitative coating of IGBT is realized, saving time in cleaning steel mesh and scrapers, reducing waste of residual silicon grease, and improving coating efficiency.
Smart Images
Figure CN222943818U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of device coating, in particular to an IGBT quantitative coating 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 transistor) and MOS (insulated gate field effect transistor), which has the advantages of both MOSFET's high input impedance and GTR's low conduction voltage drop. GTR has low saturation voltage drop and high current density, but large driving current; MOSFET has low driving power and fast switching speed, but large conduction voltage drop and low current density. IGBT combines the advantages of the above two devices, with low driving power and low saturation voltage drop. It is very suitable for use in converter systems with DC voltage of 600V and above, such as AC motors, inverters, switching power supplies, lighting circuits, traction drives and other fields.
[0003] In the prior art, IGBT coating uses canned silicone grease in combination with a steel mesh and a scraper to complete the coating of the IGBT. When coating the IGBT, the steel mesh needs to be placed on the IGBT, the silicone grease is squeezed out and the scraper is moved back and forth on it until the IGBT can be completely covered with silicone grease, the steel mesh is lifted to take out the IGBT, and the steel mesh, scraper and residual silicone grease in the barrel are cleaned. This method wastes a lot of residual silicone grease, and the steel mesh and scraper need to be cleaned after each coating, which consumes manpower and material resources, takes a long time to clean, and has low coating efficiency. Utility Model Content
[0004] The utility model aims to provide an IGBT quantitative coating device, which can quantitatively coat the IGBT, save the time of cleaning the steel mesh and the scraper, reduce the waste of residual silicone grease, and improve the coating efficiency.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] The utility model provides an IGBT quantitative coating device, comprising: a shell, a workbench is arranged on the shell, a fixing frame and a test piece fixing table are arranged on the workbench, a quantitative discharging component is detachably arranged on the fixing frame, a test piece to be coated is detachably arranged on the test piece fixing table, the test piece fixing table is slidably connected to the workbench, and a uniform speed translation component for adjusting the relative position of the fixing frame and the test piece fixing table is arranged on the workbench.
[0007] Furthermore, the quantitative discharging component includes a tubular container and a pressure regulating device. A discharging port is provided at the bottom of the tubular container, and a feeding port for adding silicone grease is provided at the top of the tubular container. A piston is slidably connected inside the tubular container, and one end of the piston close to the feeding port is connected to the pressure regulating device.
[0008] Furthermore, the uniform translation assembly includes an X-axis module and a Y-axis module that are perpendicular to each other.
[0009] Furthermore, the specimen fixing table is arranged on the X-axis module, the X-axis module drives the specimen fixing table to move in the X-axis direction, and the fixing frame is arranged on the Y-axis module, and the Y-axis module drives the fixing frame to move in the Y-axis direction.
[0010] Furthermore, a Z-axis module is also provided on the workbench. The Z-axis module is perpendicular to the X-axis module and the Y-axis module respectively. The Y-axis module is provided on the Z-axis module. The Z-axis module drives the Y-axis module to move in the Z-axis direction.
[0011] Furthermore, the uniform translation assembly drives the fixing frame and the specimen fixing table so that the quantitative discharging assembly on the fixing frame coats the surface of the specimen to be coated on the specimen fixing table in a "U" shape.
[0012] Furthermore, a heat dissipation fan is provided on the side wall of the shell.
[0013] Furthermore, an inspection door is provided on the shell.
[0014] Furthermore, an operation panel is provided on the workbench, and an operation indicator light is also provided on the workbench.
[0015] Furthermore, a plurality of adjustable supporting feet and a plurality of universal wheels are provided at the bottom of the shell.
[0016] Compared with the prior art, the utility model has the following beneficial effects: it can quantitatively coat the IGBT, save the time of cleaning the steel mesh and the scraper, reduce the waste of residual silicone grease, and improve the coating efficiency;
[0017] The IGBT quantitative coating equipment provided by the utility model extrude silicone grease uniformly by setting a quantitative discharging component, and uniformly adjusts the relative position between a fixing frame and a specimen fixing table by setting a uniform speed translation component, so that the quantitative discharging component uniformly smears silicone grease on the specimen to be coated according to a certain trajectory, thereby improving the coating efficiency, and specimens to be coated of different specifications can be installed through the specimen fixing table, and the application range is wider; by setting a tubular container to hold silicone grease, it is convenient to clean the silicone grease residue in the tubular container, and by setting a pressure regulating device, the piston is uniformly pushed, so that the silicone grease is uniformly squeezed out from the discharging port; by setting an X-axis module and a Y-axis module perpendicular to each other, the fixing frame or the specimen fixing table can be arbitrarily moved at a uniform speed in a plane, and the relative position between the fixing frame and the specimen fixing table can be adjusted, so that the quantitative discharging component is uniformly applied to the specimen to be coated. The silicone grease is evenly applied on the surface along a certain trajectory; by setting the Z-axis module, the height of the fixing frame can be adjusted, so that the test piece to be coated under the fixing frame can be taken out and replaced conveniently; by setting the uniform speed translation component, the quantitative discharging component can apply the silicone grease on the test piece to be coated in the shape of a Chinese character "U", so that when the test piece to be coated is installed, the "U"-shaped silicone grease on the surface of the test piece to be coated can be evenly applied on the surface of the test piece to be coated under extrusion; the heat dissipation fan is provided to dissipate the heat inside the shell, and by providing an inspection door, it is convenient to inspect the components inside the shell, and by providing an operation panel on the workbench, it is convenient to operate the quantitative discharging component and the uniform speed translation component, and by observing whether the operation indicator light is on, it can be seen whether the device is in operation, and by providing a plurality of adjustable supporting feet and a plurality of universal wheels at the bottom of the shell, it is convenient to move and fix the shell. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 A schematic diagram of the three-dimensional structure of an IGBT quantitative coating device provided by an embodiment of the utility model from one viewing angle;
[0019] Figure 2 A schematic structural diagram of an IGBT quantitative coating device from another perspective provided by an embodiment of the utility model;
[0020] Figure 3 for Figure 1 Schematic diagram of the enlarged structure of the specimen fixing platform.
[0021] The markings in the attached drawings are: 1. Shell; 2. Workbench; 3. Fixing frame; 4. Specimen fixing table; 5. X-axis module; 6. Y-axis module; 7. Z-axis module; 8. Cooling fan; 9. Inspection door; 10. Operation panel; 11. Operation indicator light; 12. Adjustable support feet; 13. Universal wheels. DETAILED DESCRIPTION
[0022] The technical solution of the present application is further described in detail below in conjunction with specific implementation methods.
[0023] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and should not be construed as limitations on the present application. In the absence of conflict, the embodiments of the present application and the technical features in the embodiments may be combined with each other.
[0024] Embodiment 1:
[0025] This embodiment provides an IGBT quantitative coating device, which can quantitatively coat the IGBT, save the time of cleaning the steel mesh and the scraper, reduce the waste of residual silicone grease, and improve the coating efficiency. Figure 1-3 As shown, it includes: a shell 1, a workbench 2 is horizontally arranged on the shell 1, a fixing frame 3 and a specimen fixing table 4 are arranged on the workbench 2, a quantitative discharging component is detachably arranged on the fixing frame 3, a specimen to be coated is detachably arranged on the specimen fixing table 4, the specimen fixing table 4 is slidably connected to the workbench 2, and a uniform speed translation component for adjusting the relative position of the fixing frame 3 and the specimen fixing table 4 is arranged on the workbench 2; by arranging the quantitative discharging component, the silicone grease is evenly extruded, and by arranging the uniform speed translation component, the relative position between the fixing frame 3 and the specimen fixing table 4 is uniformly adjusted, so that the quantitative discharging component evenly applies silicone grease on the specimen to be coated according to a certain trajectory, thereby improving the coating efficiency, and the specimen fixing table 4 can be customized according to the specifications of the specimen to be coated, and specimens to be coated of different specifications can be installed through the specimen fixing table 4, which has a wider range of applications.
[0026] In this embodiment, Figure 1As shown, the quantitative discharging component includes a tubular container and a pressure regulating device. A discharging port is provided at the bottom of the tubular container, and a feeding port for adding silicone grease is provided at the top of the tubular container. A piston is slidably connected in the tubular container, and the end of the piston close to the feeding port is connected to the pressure regulating device. In this embodiment, a syringe can be used as the tubular container, which is more convenient to clean the silicone grease residue than using canned silicone grease, and reduces the waste of residual silicone grease. The opening with a larger diameter at one end of the syringe is the feeding port, and the opening with a smaller diameter at the end of the syringe away from the feeding port is the discharging port. A piston is slidably connected in the syringe, and silicone grease exists between the piston and the discharging port. The pressure regulating device can adopt an air pressure regulating device. The air pressure The regulating device is arranged at the discharge port and seals the feed port, and the air pressure between the feed port and the piston is adjusted so that the piston slides at a uniform speed in the syringe, thereby evenly squeezing the silicone grease in the syringe out of the discharge port; by arranging a tubular container to contain the silicone grease, it is convenient to clean the silicone grease residue in the tubular container, and by arranging a pressure regulating device, the piston is pushed evenly, thereby evenly squeezing the silicone grease out of the discharge port; by arranging mutually perpendicular X-axis module 5 and Y-axis module 6, the fixed frame 3 or the specimen fixing table 4 can be moved arbitrarily at a uniform speed in the plane, and the relative position between the fixed frame 3 and the specimen fixing table 4 can be adjusted, so that the quantitative discharge component can evenly apply silicone grease on the specimen to be coated according to a certain trajectory.
[0027] In this embodiment, Figure 3 As shown, the uniform speed translation assembly includes an X-axis module 5 and a Y-axis module 6 which are arranged on a horizontal plane and are perpendicular to each other. The specimen fixing table 4 is arranged on the X-axis module 5, and the X-axis module 5 drives the specimen fixing table 4 to move in the X-axis direction. The fixing frame 3 is arranged on the Y-axis module 6, and the Y-axis module drives the fixing frame 3 to move in the Y-axis direction. In this embodiment, a Z-axis module 7 is also arranged on the workbench 2, and the Z-axis module 7 is respectively perpendicular to the X-axis module 5 and the Y-axis module 6. The Y-axis module 6 is arranged on the Z-axis module 7, and the Z-axis module 7 drives the Y-axis module 6 to move in the Z-axis direction. By setting the Z-axis module 7, the height of the fixing frame 3 can be adjusted, so as to facilitate the removal and replacement of the specimen to be coated located below the fixing frame 3.
[0028] In this embodiment, Figure 3 As shown, the uniform-speed translation component drives the fixing frame 3 and the specimen fixing platform 4 so that the quantitative discharging component on the fixing frame 3 applies silicone grease in a "U" shape on the surface of the specimen to be coated on the specimen fixing platform 4; by setting the uniform-speed translation component, the quantitative discharging component applies silicone grease in a "U" shape on the specimen to be coated, which facilitates the "U"-shaped silicone grease on the surface of the specimen to be coated to be evenly coated on the surface of the specimen to be coated under extrusion when the specimen to be coated is installed.
[0029] In this embodiment, Figure 1As shown, a cooling fan 8 for dissipating heat inside the shell 1 is provided on the side wall of the shell 1, and an inspection door 9 for convenient inspection of the internal components of the shell 1 is provided on the shell 1. In this embodiment, an operation panel 10 is also provided on the workbench 2, and the operation of the X-axis module 5, the Y-axis module 6, the Z-axis module 7 and the quantitative discharging component is controlled by the operation panel 10. An operation indicator light 11 is also provided on the workbench 2. When the equipment is in operation, the operation indicator light 11 lights up to remind the operator that the equipment is running. Four adjustable supporting feet 12 and four universal wheels 13 are provided at the bottom of the shell 1. The universal wheels 13 and the adjustable supporting feet are used to facilitate the movement and fixation of the equipment. By arranging the operation panel 10 on the workbench 2, it is convenient to operate the quantitative discharging component and the uniform speed translation component. By observing whether the operation indicator light 11 is on, it can be seen whether the device is in operation.
[0030] When using the device, the specimen to be coated is mounted and fixed on the specimen fixing table 4, the tubular container is mounted on the fixing frame 3, silicone grease is added to the tubular container through the feeding port, and then the piston and the pressure regulating device are mounted on the tubular container. The operation panel 10 is used to control the operation of the X-axis module 5 and the Y-axis module 6. The X-axis module 5 drives the specimen fixing table 4 to move in the X-axis direction, and the Y-axis module 6 drives the fixing frame 3 to move in the Y-axis direction, so that the quantitative discharging component on the fixing frame 3 coats the silicone grease in a "U" shape on the surface of the specimen to be coated on the specimen fixing table 4. At the same time, the operation of the pressure regulating device in the quantitative discharging component is controlled by the operation panel 10. , the piston is pushed at a uniform speed through the pressure regulating device, so that the silicone grease between the piston and the discharge port is evenly squeezed out from the discharge port to achieve quantitative coating on the specimen to be coated. When the specimen to be coated on the specimen fixing table 4 is quantitatively coated, the Z-axis module 7 is controlled to operate through the operation panel 10, so that the Z-axis module 7 drives the Y-axis module 6 thereon to move in the Z-axis direction, so that the fixing frame 3 is raised, so as to facilitate the replacement of the specimen to be coated that has completed quantitative coating and is located below the fixing frame 3 from the specimen fixing table 4, and replace it with the specimen to be coated that has not yet been quantitatively coated and fix it on the specimen fixing table 4, and repeat the quantitative coating of the specimen to be coated continuously.
[0031] Embodiment 2:
[0032] The present embodiment provides an IGBT quantitative coating device. Different from the embodiment 1, in the present embodiment, the uniform speed translation assembly includes an X-axis module 5 and a Y-axis module 6 which are perpendicular to each other. The specimen fixing table 4 is arranged on the X-axis module 5, and the X-axis module 5 drives the specimen fixing table 4 to move in the X-axis direction. The X-axis module 5 is arranged on the Y-axis module 6, and the Y-axis module drives the X-axis module 5 to move in the Y-axis direction. In the present embodiment, a Z-axis module 7 is also arranged on the workbench 2, and the Z-axis module 7 is perpendicular to the X-axis module 5 and the Y-axis module 6 respectively. The fixing frame 3 is arranged on the Y-axis module 6, and the Z-axis module 7 drives the fixing frame 3 to move in the Z-axis direction. By arranging the Z-axis module 7, the height of the fixing frame 3 can be adjusted, so as to facilitate the removal and replacement of the specimen to be coated located below the fixing frame 3.
[0033] The above are only preferred implementations of the utility model. It should be pointed out that for those skilled in the art, several modifications and improvements can be made without departing from the concept of the utility model. These should also be regarded as the protection scope of the utility model. These will not affect the effect of the implementation of the utility model and the practicality of the patent.
Claims
1. An IGBT quantitative coating device, characterized in that: include: A shell (1), wherein a workbench (2) is arranged on the shell (1), a fixing frame (3) and a specimen fixing table (4) are arranged on the workbench (2), a quantitative material discharging component is detachably arranged on the fixing frame (3), a specimen to be coated is detachably arranged on the specimen fixing table (4), the specimen fixing table (4) is slidably connected to the workbench (2), and a uniform translation component for adjusting the relative position of the fixing frame (3) and the specimen fixing table (4) is arranged on the workbench (2).
2. The IGBT quantitative coating equipment according to claim 1, characterized in that: The quantitative discharging assembly includes a tubular container and a pressure regulating device. A discharging port is provided at the bottom of the tubular container, and a feeding port for adding silicone grease is provided at the top of the tubular container. A piston is slidably connected inside the tubular container, and one end of the piston close to the feeding port is connected to the pressure regulating device.
3. The IGBT quantitative coating equipment according to claim 1, characterized in that: The uniform translation assembly comprises an X-axis module (5) and a Y-axis module (6) which are perpendicular to each other.
4. The IGBT quantitative coating equipment according to claim 3, characterized in that: The specimen fixing table (4) is arranged on the X-axis module (5), and the X-axis module (5) drives the specimen fixing table (4) to move in the X-axis direction. The fixing frame (3) is arranged on the Y-axis module (6), and the Y-axis module drives the fixing frame (3) to move in the Y-axis direction.
5. The IGBT quantitative coating equipment according to claim 4, characterized in that: The workbench (2) is also provided with a Z-axis module (7), the Z-axis module (7) being perpendicular to the X-axis module (5) and the Y-axis module (6), respectively; the Y-axis module (6) is arranged on the Z-axis module (7), and the Z-axis module (7) drives the Y-axis module (6) to move in the Z-axis direction.
6. The IGBT quantitative coating equipment according to claim 1, characterized in that: The uniform translation component drives the fixing frame (3) and the specimen fixing platform (4) so that the quantitative discharging component on the fixing frame (3) coats the surface of the specimen to be coated on the specimen fixing platform (4) in a "U" shape.
7. The IGBT quantitative coating equipment according to claim 1, characterized in that: A heat dissipation fan (8) is provided on the side wall of the housing (1).
8. The IGBT quantitative coating equipment according to claim 1, characterized in that: The housing (1) is provided with an inspection door (9).
9. The IGBT quantitative coating equipment according to claim 1, characterized in that: An operating panel (10) is provided on the workbench (2), and an operating indicator light (11) is also provided on the workbench (2).
10. The IGBT quantitative coating equipment according to claim 1, characterized in that: A plurality of adjustable supporting feet (12) and a plurality of universal wheels (13) are provided at the bottom of the housing (1).