Power module laser marking clamp

Abstract

The utility model relates to a power module laser marking clamp which comprises a clamp body, the clamp body is composed of a fixing part and an installation part which are integrally formed, the fixing part is placed on a working table top, the installation part perpendicular to the fixing part is arranged over the fixing part, and the installation part is arranged on the working table top. The mounting part is sunken downwards to form a limiting groove, the top face and the two opposite side faces of the limiting groove are open, a fool-proof plate is vertically inserted and mounted in the limiting groove, the four corners of one side face of the limiting groove are each provided with an extending protruding block with a positioning groove, and a positioning column is mounted in the positioning groove of each extending protruding block; the four positioning columns are matched with four positioning holes in the corners of the power module, and are used for limiting the front end surface of the fool-proof plate and conveniently fixing the power module on the positioning columns; four screw through holes penetrating through the mounting part are further formed in the peripheral edge of the mounting part, a back plate is fixedly mounted in the screw through holes through screws, and the back plate is used for supporting and limiting the rear end face of the fool-proof plate.

Description

Technical Field

[0001] The utility model relates to a power module laser marking fixture, belonging to the technical field of laser marking. Background Art

[0002] In laser marking technology, the design of the fixture is crucial to ensure the accurate positioning of the workpiece. Traditional fixtures may face a series of problems when positioning and fixing the workpiece. One of the main problems is that the operator is prone to misplace the workpiece when marking. This misoperation may lead to reduced product quality, reduced production efficiency, and affect the subsequent process.

[0003] Current fixture designs have certain limitations in solving positioning problems. Some fixtures may not be precise enough when positioning, while others may be difficult to adjust quickly, making it difficult for operators to quickly and accurately place the workpiece in the correct position in actual operation. These problems may have a negative impact on the stability and efficiency of the laser marking system.

[0004] In some existing technologies, error prevention measures mainly rely on the operator's experience and attention, and lack a systematic solution. Therefore, it is necessary to provide a new type of laser marking fixture to overcome the limitations of traditional fixtures in error prevention, ensure the accurate positioning of the workpiece during laser marking, and reduce problems caused by operating errors.

[0005] Therefore, a power module laser marking fixture is designed to overcome the above problems. Utility Model Content

[0006] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a power module laser marking fixture with a simple structure, reliable method, improved accuracy of laser marking, reduced difficulty of operation, thereby improving work efficiency and reducing potential problems caused by wrong direction. The utility model introduces a precise positioning mechanism and a replaceable anti-fool plate, and the invention aims to ensure that during the laser marking operation, the operator can quickly and easily place the power module correctly in the fixture to prevent wrong direction caused by misoperation.

[0007] The utility model is realized through the following technical scheme: a power module laser marking fixture, comprising a fixture body, the fixture body consisting of an integrally formed fixing part and a mounting part, the fixing part is placed on a workbench, a mounting part perpendicular to the fixing part is arranged directly above the fixing part, the mounting part is recessed downward to form a limiting groove with an open top surface and two opposite side surfaces, an anti-fool plate is vertically inserted and installed in the limiting groove, an extended protrusion with a positioning groove is respectively arranged at the four corners of one side of the limiting groove, a positioning column is respectively installed in the positioning groove of each extended protrusion, the four positioning columns match the four positioning holes at the corners of the power module, and are used to limit the front end face of the anti-fool plate and facilitate the fixing of the power module on the positioning columns; four screw through holes that penetrate the mounting part are also arranged at the edges around the mounting part, a back plate is fixedly installed in the screw through holes by screws, and the back plate is used to support and limit the rear end face of the anti-fool plate.

[0008] Preferably, a threaded hole is provided in the middle of the back plate, and a bolt is installed in the threaded hole. The anti-foolproof plate is tightened against the fixture body by adjusting the relative position of the bolt to prevent displacement during operation.

[0009] Preferably, the anti-foolproof plate is provided with a plurality of holes, the number and positions of the holes correspond to the pins on the correctly placed power module, and are used to prevent the wrong module direction from being placed when marking the power module.

[0010] Preferably, the holes of the anti-foolproof plate are round or square.

[0011] Preferably, the number of holes of the anti-foolproof plate is 6-65.

[0012] Preferably, the anti-foolproof plate is a metal plate, a plastic plate or a printed circuit board.

[0013] Preferably, the anti-foolproof plate is detachably installed in the limiting groove.

[0014] Preferably, the length of the positioning column on the extended protrusion is 4-9 mm, so as to provide a stable positioning function for the power module.

[0015] The beneficial effects of the utility model are as follows:

[0016] The utility model introduces a precise positioning mechanism and a replaceable anti-fool plate to ensure that during the laser marking operation, the operator can quickly and easily place the power module correctly in the fixture to prevent direction errors caused by misoperation. In this way, the utility model improves the accuracy of laser marking, reduces the difficulty of operation, thereby improving work efficiency and reducing potential problems caused by direction errors. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model. DETAILED DESCRIPTION

[0018] In order to enable ordinary technicians in the field to more clearly understand the purpose, technical solutions and advantages of the utility model, the utility model is further explained below in conjunction with the accompanying drawings and embodiments.

[0019] In the description of the present invention, it is necessary to understand that the directions or positional relationships indicated by terms such as "upper", "lower", "left", "right", "inner", "outer", "horizontal" and "vertical" are based on the directions or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention. They do not indicate or imply that the device or component referred to must have a specific direction and therefore should not be understood as a limitation on the present invention.

[0020] The utility model will be described in detail below with reference to the accompanying drawings: Figure 1 As shown, a power module laser marking fixture comprises a fixture body 1, wherein the fixture body 1 is composed of an integrally formed fixing portion 2 and a mounting portion 3, wherein the fixing portion 2 is placed on a work surface, and a mounting portion 3 perpendicular to the fixing portion 2 is arranged directly above the fixing portion 2, wherein the mounting portion 3 is recessed downward to form a limiting groove 9 with an open top surface and two opposite side surfaces, wherein an anti-fool plate 4 is vertically inserted and installed in the limiting groove 9, and an extended protrusion 5 with a positioning groove is respectively arranged at the four corners of one side of the limiting groove 9, and a positioning column 6 is respectively installed in the positioning groove of each extended protrusion 5, and the four positioning columns 6 match the four positioning holes at the corners of the power module, and are used for limiting the front end face of the anti-fool plate 4 and facilitating the fixing of the power module on the positioning columns 6; four screw through holes 8 penetrating the mounting portion 3 are also arranged at the edges around the mounting portion 3, and a back plate 10 is fixedly installed in the screw through holes 8 by screws, and the back plate 10 is used for supporting and limiting the rear end face of the anti-fool plate 4.

[0021] A threaded hole 7 is provided in the middle of the back plate 10, and a bolt is installed in the threaded hole 7. By adjusting the relative position of the bolt, the anti-fool plate 4 is pressed against the fixture body 1 to prevent displacement during operation. The anti-fool plate 4 is provided with a plurality of holes 11, and the number and position of the holes 11 correspond to the pins on the correctly placed power module, so as to prevent the wrong module direction from being placed when marking the power module.

[0022] The holes 11 of the anti-foolproof plate 4 are circular or square. The number of holes 11 of the anti-foolproof plate 4 is 6-65. Of course, the preferred value of the number of holes of the anti-foolproof plate 4 is 6-65, which can be adjusted according to actual conditions without any limitation. The anti-foolproof plate 4 is a metal plate, a plastic plate or a printed circuit board, etc., to meet different practical application requirements, wherein the holes on the printed circuit board can be designed as fully metallized holes, and unnecessary holes can be blocked with solder as needed to realize the rapid production of the anti-foolproof plate. The anti-foolproof plate 4 is detachably mounted in the limit groove 9. The anti-foolproof plate is replaceable to facilitate matching of power module products of different models.

[0023] The length of the positioning column 6 on the extended protrusion 5 is 4-9 mm, which is used to provide a stable positioning function for the power module. The length of the positioning column 2 is controlled within the range of 4-9 mm to provide a stable positioning function. At the same time, when the power module cannot match the anti-fool plate, the module cannot be fixed. Of course, the preferred length of the positioning column is 4-9 mm, which can be adjusted according to actual conditions without any limitation.

[0024] The working process of the utility model is as follows:

[0025] First, place the positioning hole of the power module into the positioning column of the fixture, and insert the pins of the power module into the anti-fool plate that matches the pins. At this time, the module can be fixed on the fixture, and the marking machine is started to complete the marking. If the module is placed upside down, the pins will not match, and the module cannot be fixed by the positioning column and falls down, achieving the anti-fool effect.

[0026] The specific embodiments described herein are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or change the above embodiments without violating the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by a person of ordinary skill in the art without departing from the spirit and technical ideas disclosed in the present invention shall still be covered by the claims of the present invention.

Claims

1. A power module laser marking fixture, comprising a fixture body (1), characterized in that: The clamp body (1) is composed of an integrally formed fixing portion (2) and a mounting portion (3), wherein the fixing portion (2) is placed on a work surface, and a mounting portion (3) is arranged perpendicular to the fixing portion (2) directly above the fixing portion (2), wherein the mounting portion (3) is recessed downward to form a limiting groove (9) whose top surface and two opposite side surfaces are both open, wherein an anti-fool plate (4) is vertically inserted and installed in the limiting groove (9), and an extended protrusion (5) with a positioning groove is respectively arranged at the four corners of one side of the limiting groove (9). A positioning column (6) is installed in the positioning groove of each extended protrusion (5), and the four positioning columns (6) match the four positioning holes at the corners of the power module, and are used to limit the front end surface of the anti-fool plate (4) and facilitate the fixing of the power module on the positioning columns (6); four screw through holes (8) penetrating the mounting portion (3) are also arranged at the edges around the mounting portion (3), and a back plate (10) is fixedly installed in the screw through holes (8) by screws, and the back plate (10) is used to support and limit the rear end surface of the anti-fool plate (4).

2. The power module laser marking fixture according to claim 1, characterized in that: A threaded hole (7) is provided in the middle of the back plate (10), and a bolt is installed in the threaded hole (7). By adjusting the relative position of the bolt, the anti-stuck plate (4) is pressed against the clamp body (1) to prevent displacement during operation.

3. The power module laser marking fixture according to claim 1, characterized in that: The anti-foolproof plate (4) is provided with a plurality of holes (11), the number and positions of the holes (11) corresponding to the pins on a correctly placed power module, and are used to prevent the wrong module orientation when marking the power module.

4. The power module laser marking fixture according to claim 3, characterized in that: The hole (11) of the anti-foolproof plate (4) is circular or square.

5. The power module laser marking fixture according to claim 4, characterized in that: The number of holes (11) of the anti-fool plate (4) is 6-65.

6. The power module laser marking fixture according to claim 5, characterized in that: The anti-foolproof plate (4) is a metal plate, a plastic plate or a printed circuit board.

7. The power module laser marking fixture according to claim 6, characterized in that: The anti-foolproof plate (4) is detachably mounted in the limiting groove (9).

8. The power module laser marking fixture according to claim 1, characterized in that: The length of the positioning column (6) on the extended protrusion (5) is 4-9 mm, so as to provide a stable positioning function for the power module.

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