Assembling device for IGBT (Insulated Gate Bipolar Translator)
By designing an assembly device with a movable placement plate and a return spring, the problem of damage caused by excessive pressure in IGBT assembly equipment was solved, achieving safe fixing and stable operation of IGBTs.
Patent Information
- Application Number
- CN202520796930.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-24
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-04-24
AI Technical Summary
Existing IGBT assembly equipment uses excessive pressure applied by smart electric screwdrivers during the assembly process, which can easily damage the IGBTs.
An assembly device comprising a transport mechanism and a working mechanism is designed. The transport mechanism includes a movable placement plate and a return spring to prevent IGBT damage under pressure. The working mechanism includes an adhesive dispensing and electric screwdriver assembly for fixing the IGBT.
The lifting and lowering movement of the placement plate and the action of the return spring prevent the IGBT from being subjected to excessive pressure during operation, reducing the risk of damage. The placement slot also fixes the IGBT, preventing operation failure caused by displacement.
Smart Images

Figure CN223917152U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electronic component processing technical field, concretely relates to a kind of assembly device for IGBT. BACKGROUND
[0002] IGBT (Insulated Gate Bipolar Transistor, Insulated Gate Bipolar Transistor) is a kind of combined MOSFET (metal oxide semiconductor field effect transistor) and BJT (bipolar transistor) advantages composite power semiconductor device. The existing IGBT product is assembled, in order to improve efficiency and prevent environmental factors interference, all by intelligent electric screwdriver to tighten the screw of IGBT. The existing IGBT assembly equipment is assembled to IGBT, all directly place IGBT on flat plate, if the pressure that intelligent electric screwdriver applies downward is too big, then it can easily crush IGBT. UTILITY MODEL CONTENTS
[0003] In order to solve the problem of the existing IGBT assembly equipment's intelligent electric screwdriver pressure, the utility model provides a kind of assembly device for IGBT. The specific technical scheme of the utility model is as follows:
[0004] A kind of assembly device for IGBT, including: machine table and the transport mechanism and operation mechanism being set on machine table, the transport mechanism is used to transport IGBT to operation mechanism below, the operation mechanism is used to install IGBT, the transport mechanism includes placement table and transmission belt component, the placement table is set on transmission belt component, for placing IGBT, the placement table includes the placement board for placing IGBT and the bottom plate for supporting placement board, the placement board is movably arranged on the bottom plate and placement board is lifted on the bottom plate and moves, reset spring is arranged between the placement board and the bottom plate, the top of the placement board is provided with placement slot for placing IGBT.
[0005] Further, the bottom of the placement board is provided with support column, the bottom plate is provided with through hole, the through hole is sleeved on the support column.
[0006] Further, the reset spring is sleeved on the support column.
[0007] Further, the bottom of the support column is provided with screw, and the screw is used to limit the bottom plate on the support column.
[0008] Further, the bottom of the bottom plate is provided with recess for placing screw.
[0009] Further, a plurality of support bars are arranged in the placement slot, and the support bars are arranged in the placement slot to divide the placement slot into a plurality of strip-shaped slots.
[0010] Further, the work mechanism comprises a dispensing assembly and an electric screwdriver assembly, the dispensing assembly is used for dispensing IGBT, and the electric screwdriver assembly is used for fixing the screw of IGBT.
[0011] Compared with the prior art, the beneficial effects of the application are that: when the assembling device in the application works on the IGBT on the placing plate through the work mechanism, the placing plate drives the IGBT to move downward on the bottom plate under the action of pressure, so that the IGBT is prevented from being damaged due to too large pressure during work. In addition to resetting the moving-down placing plate, the reset spring also provides a pushing force for the moving-down placing plate. The placing groove on the top of the placing plate can fix the IGBT on the placing plate, so that the IGBT is prevented from being displaced during work, thereby avoiding work failure. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 FIG. 1 is a structural schematic view of the assembling device in an embodiment of the application;
[0013] Figure 2 FIG. 2 is a front schematic view of the assembling device in an embodiment of the application;
[0014] Figure 3 FIG. 3 is a structural schematic view of the placing table in an embodiment of the application;
[0015] Figure 4 FIG. 4 is an exploded schematic view of the placing table in an embodiment of the application; Figure 1
[0016] Figure 5 FIG. 5 is an exploded schematic view of the placing table in an embodiment of the application; Figure 2
[0017] Figure 6 FIG. 6 is a sectional schematic view of the placing table in an embodiment of the application. DETAILED DESCRIPTION
[0018] The embodiments of the application are described in detail below, and the embodiments are shown in the accompanying drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout.
[0019] In the description of the utility model, it is necessary to explain that, for the direction words, if the terms "center", "transverse", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation and positional relationship based on the orientation or positional relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and cannot be understood as limiting the specific protection scope of the utility model.
[0020] In addition, if the terms "first", "second" are only used for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the "first" and "second" features can be explicitly or implicitly included one or more features, and in the description of the utility model, the meaning of "at least" is one or more, unless otherwise specifically limited.
[0021] In the utility model, unless otherwise specifically provided and limited, if the terms "assembly", "connection", "connection" are understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; It can be a mechanical connection; it can be directly connected, or it can be connected through an intermediate medium, or it can be connected between two elements. For those skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.
[0022] In the utility model, unless otherwise provided and limited, the "upper" or "lower" of the first feature on the second feature can include the direct contact of the first and second features, or the contact of the first feature and the second feature through another feature between them. Moreover, the "upper", "lower" and "upper" of the first feature on the second feature include the vertical direction above and oblique above of the first feature on the second feature, or only indicate that the horizontal height of the first feature is higher than the height of the second feature. The "upper", "lower" and "lower" of the first feature on the second feature include the vertical direction below and oblique below of the first feature on the second feature, or only indicate that the horizontal height of the first feature is lower than the height of the second feature.
[0023] The technical scheme of the utility model and its beneficial effects will be clearer and more explicit by further describing the specific embodiments of the utility model in combination with the drawings of the specification. The embodiments described below by referring to the drawings are exemplary, and are intended to explain the utility model, and cannot be understood as limiting the utility model.
[0024] As Figures 1 to 6As shown, an assembly device for IGBT, comprising: a machine table 1, a conveying mechanism 2 and a working mechanism 3 arranged on the machine table 1, the conveying mechanism 2 is used to transport IGBT 4 to the lower side of the working mechanism 3, the working mechanism 3 is used to install IGBT 4, the conveying mechanism 2 comprises a placing table 5 and a conveying belt assembly 6, the placing table 5 is arranged on the conveying belt assembly 6 and is used to place IGBT 4, the placing table 5 comprises a placing plate 7 used to place IGBT 4 and a bottom plate 8 used to support the placing plate 7, the placing plate 7 is movably arranged on the bottom plate 8 and the placing plate 7 performs lifting movement on the bottom plate 8, a reset spring 9 is arranged between the placing plate 7 and the bottom plate 8, and the top of the placing plate 7 is provided with a placing groove 10 used to place IGBT 4. In production, IGBT 4 is first placed in the placing groove 10 of the placing plate 7 by a mechanical hand, the conveying belt assembly 6 transports the placing table 5, so that IGBT 4 moves to the lower side of the working mechanism 3, the working mechanism 3 is lowered, and IGBT 4 on the placing plate 7 is worked, wherein the work includes but is not limited to welding, silk printing, screw fixing, label pasting and glue dispensing. If the distance of the working mechanism 3 moving downward is too large, the placing plate 7 is displaced downward under the pressure of the working mechanism 3, the reset spring 9 is compressed, and IGBT 4 or the working mechanism 3 is prevented from being damaged. After the work is completed, the working mechanism 3 moves upward, the reset spring 9 resets the placing plate 7, and the conveying belt assembly 6 transports IGBT 4 after the work is completed.
[0025] As one of the embodiments, the bottom of the placing plate 7 is provided with a support column 11, and the bottom plate 8 is provided with a through hole 12 which is sleeved on the support column 11. The bottom of the placing plate 7 is provided with five support columns 11, one of which is arranged at the center of the bottom of the placing plate 7, and the other four are uniformly distributed around the center. In this way, the placing plate 7 will not deviate to one side when it moves downward, affecting the working quality of the device.
[0026] As one of the embodiments, the reset spring 9 is sleeved on the support column 11, which facilitates the elongation and compression of the spring.
[0027] As one of the embodiments, the bottom of the support column 11 is provided with a screw 13, which is used to limit the bottom plate 8 on the support column 11.
[0028] As one of the embodiments, the bottom of the bottom plate 8 is provided with a groove 14 used to place the screw 13. When the placing table 5 is transported on the conveying belt assembly 6, the groove 14 can hide the screw 13, preventing the screw 13 from affecting the transportation of the placing table 5. The edge of the top of the bottom plate 8 is provided with a protrusion which surrounds the placing plate 7, and the protrusion guides the lifting movement of the placing plate 7.
[0029] As one of the embodiments, the placing groove 10 is provided with a plurality of support strips 15 arranged in the placing groove 10, which divides the placing groove 10 into a plurality of strip-shaped grooves 16. When the heat dissipation components 17 of the IGBT 4 are placed on the placing plate 7, the strip-shaped grooves 16 can separate the heat dissipation components 17 and prevent the heat dissipation components 17 from being bent under pressure.
[0030] As one of the embodiments, the working mechanism 3 includes a dispensing assembly 18 for dispensing the IGBT 4 and an electric screwdriver assembly 19 for fixing the screws of the IGBT 4. The intelligent electric screwdriver, also known as intelligent electric screwdriver or servo electric screwdriver, is a modern assembly tool integrating intelligent control, high-precision sensor and electric drive technology.
[0031] The assembly device described in the application prevents the IGBT 4 from being damaged by the relatively large pressure during the work of the IGBT 4 on the placing plate 7 by the working mechanism 3. The reset spring 9 provides a pushing force for the placing plate 7 during the downward movement. The placing groove 10 on the top of the placing plate 7 can fix the IGBT 4 on the placing plate 7, preventing the IGBT 4 from moving during the work and causing the work to fail.
[0032] In the description of the specification, the description of the terms "one embodiment", "preferably", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model, and the illustrative description of the above terms in the specification does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. The connection in the description of the specification has obvious effects and practical effects.
[0033] Through the above description of the structure and principle, those skilled in the art should understand that the utility model is not limited to the above specific embodiments, and improvements and replacements of the technology known in the art based on the utility model fall within the protection scope of the utility model, which should be limited by the claims 。
Claims
1. An assembly apparatus for IGBTs, comprising: The machine platform and a transport mechanism and a working mechanism disposed on the machine platform, wherein the transport mechanism is used to transport IGBTs to a position below the working mechanism, and the working mechanism is used to install the IGBTs, characterized in that the transport mechanism includes a placement platform and a conveyor belt assembly, the placement platform is disposed on the conveyor belt assembly and is used to place the IGBTs, the placement platform includes a placement plate for placing the IGBTs and a base plate for supporting the placement plate, the placement plate is movably disposed on the base plate and the placement plate can move up and down on the base plate, a return spring is disposed between the placement plate and the base plate, and a placement slot for placing the IGBTs is disposed on the top of the placement plate.
2. The assembly apparatus for IGBTs according to claim 1, characterized in that, The bottom of the placement plate is provided with a support column, and the bottom plate is provided with a through hole, which is fitted onto the support column.
3. The assembly apparatus for IGBTs according to claim 2, characterized in that, The reset spring is sleeved on the support column.
4. The assembly apparatus for IGBTs according to claim 3, characterized in that, The bottom of the support column is provided with screws, which are used to secure the base plate to the support column.
5. The assembly apparatus for IGBTs according to claim 4, characterized in that, The bottom of the base plate is provided with a groove for placing screws.
6. The assembly apparatus for IGBTs according to claim 1, characterized in that, The placement groove is provided with a number of support bars, which are arranged in the placement groove to divide the placement groove into a number of strip-shaped grooves.
7. The assembly apparatus for IGBTs according to claim 1, characterized in that, The working mechanism includes a dispensing assembly and an electric screwdriver assembly. The dispensing assembly is used to dispense adhesive onto the IGBTs, and the electric screwdriver assembly is used to secure the IGBTs with screws.