Welding tool for manufacturing power electronic components
By designing welding fixtures with flexible clamping and anti-deformation mechanisms, the problems of insufficient flexibility of welding fixtures and deformation of weldments were solved, thereby improving welding accuracy and shape accuracy.
Patent Information
- Application Number
- CN202520353335.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-03
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-03
AI Technical Summary
Existing welding fixtures lack flexibility when dealing with new power electronic components, and the welding process can easily lead to deformation of the workpiece, affecting welding accuracy and shape accuracy.
A welding fixture including a flexible clamping mechanism and an anti-deformation mechanism was designed. The flexible clamping mechanism realizes flexible adjustment of clamping direction and distance through a worm gear structure, and the anti-deformation mechanism blocks thermal stress and mechanical stress through telescopic columns and folding plates.
It improves the flexibility and precision of welding, reduces deformation during the welding process, and enhances the dimensional and shape accuracy of the weldment.
Smart Images
Figure CN223947157U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to component welding technical field, concretely is a kind of welding tool for power electronic component manufacturing. BACKGROUND
[0002] The welding tool for power electronic component manufacturing refers to the total name of fixture, mechanical device or equipment used for assembly and welding in the process of power electronic component manufacturing, which mainly plays the role of cooperation and assistance to ensure the accuracy and efficiency of welding process.
[0003] In the prior art, with the diversification and complication of power electronic components, the requirements for welding fixtures are also increasingly high, and the existing fixtures may lack sufficient flexibility to adapt to these changes when facing new components or special welding requirements.In addition, due to the effects of thermal stress and mechanical stress, the welded parts are prone to deformation during the welding process, and the existing fixtures may have deficiencies in controlling welding deformation, resulting in a decrease in the size and shape accuracy of the welded parts.
[0004] Therefore, a welding tool for power electronic component manufacturing is proposed. SUMMARY
[0005] The utility model aims at providing a welding tool for power electronic component manufacturing to solve the problems raised in the background.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a welding tool for power electronic component manufacturing, comprising a mounting frame, a controller is fixedly connected to the top of the mounting frame, a base is fixedly connected to the bottom of the mounting frame, a limiting frame is fixedly connected to the middle of the mounting frame, and a welding part is slidingly connected to the middle of the limiting frame.
[0007] Flexible clamping mechanism for arbitrarily changing clamping direction and distance;
[0008] Anti-deformation mechanism for blocking thermal stress and mechanical stress at the welding site.
[0009] Preferably, the flexible clamping mechanism comprises a moving platform slidingly connected to the top of the base, a welding table is fixedly connected to the top of the moving platform, a pair of clamping plates are slidingly connected to the top of the welding table, air cylinders are fixedly connected to both sides of the welding table, and the output ends of the air cylinders are slidingly penetrated through the inner wall of the welding table and fixedly connected to the bottom of the clamping plates.
[0010] Preferably, the flexible clamping mechanism further comprises a rotating rod rotatably connected to the inner wall of the clamping plate, a hand wheel fixedly connected to one side of the rotating rod away from the clamping plate, and a main rotating wheel fixedly connected to the other side of the rotating rod away from the hand wheel.
[0011] Preferably, the flexible clamping mechanism further comprises a worm fixedly connected to the center of the auxiliary rotating wheel, the one end of the worm away from the auxiliary rotating wheel rotatably connected to the inner wall of the clamping plate, and a worm gear meshingly connected to the outer wall of the worm, the middle part of the worm gear rotatably connected to a supporting plate, and a clamping sleeve slidably sleeved on both sides of the supporting plate.
[0012] Preferably, the anti-deformation mechanism comprises a telescopic column slidably connected to both sides of the moving platform, and a pair of blocking plates commonly bolted on the top of the telescopic columns, the bottom of the blocking plate being provided with a hole slot, and a pair of folding plates slidably connected to the inner wall of the bottom of the blocking plate, the width of the folding plate being greater than the inner diameter of the hole slot.
[0013] Preferably, the blocking plate is arranged in an inverted trapezoidal shape.
[0014] Compared with the prior art, the utility model has the advantages that:
[0015] 1. Through the setting of the flexible clamping mechanism, the rotating rod drives the main rotating wheel to rotate, the eight-shaped belt is synchronously rotated to drive the auxiliary rotating wheel, then the auxiliary rotating wheel drives the worm to rotate, and the worm drives the worm gear, so that the angle of the supporting plate is arbitrarily changed, and the welding position is flexibly adapted to adapt to the new type of component or special welding requirement.
[0016] 2. Through the setting of the anti-deformation mechanism, the telescopic column can be pulled to the welding position during welding, then the position of the blocking plate is adjusted according to the angle of the core plate or the welding position, so that the hole slot corresponds to the upper side of the welding position, and then the folding plate is laid flat, only the welding gap is left, the height of the telescopic column can be adjusted at any time during welding to press the core plate of the component, so that the thermal stress and mechanical stress of the welding position are effectively reduced, thereby increasing the welding precision and improving the control of the welding deformation. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a whole structure schematic view of the utility model;
[0018] Figure 2 It is a structure schematic view of the blocking plate connecting part of the utility model;
[0019] Figure 3 It is a structure schematic view of the folding plate connecting part of the utility model;
[0020] Figure 4The structure schematic view of the connecting portion of the support plate of the utility model is shown.
[0021] Figure 5 The structure schematic view of the connecting portion of the belt of the utility model is shown.
[0022] In the drawing,
[0023] 1, mounting frame; 2, limiting frame; 3, base; 4, controller; 5, welding part; 6, moving platform; 7, welding table; 8, clamping plate; 9, blocking plate; 10, folding plate; 11, telescopic column; 12, jacket; 13, support plate; 14, rotating rod; 15, air cylinder; 16, worm; 17, hole groove; 18, main rotating wheel; 19, eight-shaped belt; 20, auxiliary rotating wheel; 21, worm wheel. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0025] Please refer to Figures 1 to 5 An embodiment provided by the utility model is as follows: a welding tool for power electronic component manufacturing, comprising a mounting frame 1, the top of the mounting frame 1 is fixedly connected with a controller 4, the bottom of the mounting frame 1 is fixedly connected with a base 3, the middle of the mounting frame 1 is fixedly connected with a limiting frame 2, the middle of the limiting frame 2 is slidingly connected with a welding part 5, and the welding tool further comprises:
[0026] Flexible clamping mechanism, used for changing clamping direction and distance at will;
[0027] Anti-deformation mechanism, used for blocking thermal stress and mechanical stress of the welding position;
[0028] The flexible clamping mechanism comprises a moving platform 6 slidingly connected to the top of the base 3, the top of the moving platform 6 is fixedly connected with a welding table 7, the top of the welding table 7 is slidingly connected with a pair of clamping plates 8, the two sides of the welding table 7 are both fixedly connected with air cylinders 15, the output ends of the pair of air cylinders 15 are both slidingly penetrated through the inner wall of the welding table 7 and fixedly connected to the bottom of the clamping plates 8;
[0029] The flexible clamping mechanism further comprises a rotating rod 14 rotatingly connected to the inner wall of the clamping plate 8, the side, away from the clamping plate 8, of the rotating rod 14 is fixedly connected with a hand wheel, the side, away from the hand wheel, of the rotating rod 14 is fixedly connected with a main rotating wheel 18, the outer wall of the main rotating wheel 18 is sleeved with an eight-shaped belt 19, and the side, away from the main rotating wheel 18, of the eight-shaped belt 19 is sleeved with an auxiliary rotating wheel 20;
[0030] The flexible clamping mechanism further comprises a worm 16 fixedly connected to the center of the secondary rotating wheel 20, one end of the worm 16 away from the secondary rotating wheel 20 is rotatably connected to the inner wall of the clamping plate 8, the outer wall of the worm 16 is meshingly connected with a worm wheel 21, the middle part of the worm wheel 21 is rotatably connected with a supporting plate 13, and the two sides of the supporting plate 13 are slidably sleeved with clamping sleeves 12;
[0031] Wherein: the rotating rod 14 drives the primary rotating wheel 18 to rotate, so that the eight-shaped belt 19 rotates synchronously to drive the secondary rotating wheel 20, then the secondary rotating wheel 20 drives the worm 16 to rotate, and then the worm 16 drives the worm wheel 21 to rotate, so that the angle of the supporting plate 13 is arbitrarily changed to flexibly adapt to the welding position.
[0032] The anti-deformation mechanism comprises a telescopic column 11 slidably connected to the two sides of the moving platform 6, a pair of telescopic columns 11 are jointly bolted at the top with a blocking plate 9, the bottom of the blocking plate 9 is provided with a hole slot 17, and the inner wall of the bottom of the blocking plate 9 is slidably connected with a pair of folding plates 10, the width of the folding plate 10 is greater than the inner diameter of the hole slot 17;
[0033] The blocking plate 9 is arranged in an inverted trapezoidal shape;
[0034] Wherein: according to the angle of the core plate or the welding position, the position of the blocking plate 9 is adjusted so that the hole slot 17 corresponds to the upper side of the welding position, then the folding plate 10 is laid flat, only the welding gap is left, and the height of the telescopic column 11 can be adjusted at any time during welding to press the core plate of the component, so that the thermal stress and mechanical stress of the welding position are effectively reduced through the blocking of the blocking plate 9 and the folding plate 10.
[0035] The working principle of the above embodiment is as follows: according to the type of the welded component, a pair of clamping plates 8 can be pushed to the center by the air cylinder 15 to clamp the core plate of the component, which can be welded horizontally or vertically, if side welding is required, the core plate is placed on the supporting plate 13 and clamped by the clamping sleeves 12 on both sides, then the rotating rod 14 is rotated to drive the primary rotating wheel 18 to rotate, so that the eight-shaped belt 19 rotates synchronously to drive the secondary rotating wheel 20, then the secondary rotating wheel 20 drives the worm 16 to rotate, and then the worm 16 drives the worm wheel 21 to rotate, so that the angle of the supporting plate 13 is arbitrarily changed to flexibly adapt to the welding position, in addition, during welding, the telescopic column 11 can be pulled to the welding position, then according to the angle of the core plate or the welding position, the position of the blocking plate 9 is adjusted so that the hole slot 17 corresponds to the upper side of the welding position, then the folding plate 10 is laid flat, only the welding gap is left, and the height of the telescopic column 11 can be adjusted at any time during welding to press the core plate of the component, so that the thermal stress and mechanical stress of the welding position are effectively reduced through the blocking of the blocking plate 9 and the folding plate 10, and the welding precision is improved.
[0036] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and implementations, it is to be understood that the terminology used is for the purpose of descriptive clarity and that it is intended to be limited only by the words recited in the appended claims. The scope of the present application shall be limited only by the claims.
[0037] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.
Claims
1. A soldering fixture for power electronics component manufacturing, comprising a mounting frame (1), characterized in that, The mounting frame (1) top fixedly connected with a controller (4), the mounting frame (1) bottom fixedly connected with a base (3), the mounting frame (1) middle fixedly connected with a limiting frame (2), the limiting frame (2) middle slidingly connected with a welding piece (5), also includes: Flexible clamping mechanism for changing the clamping direction and distance; Anti-deformation mechanism for blocking the thermal stress and mechanical stress of the welding part.
2. A soldering fixture for power electronics device manufacturing according to claim 1, characterized in that: The flexible clamping mechanism includes a moving platform (6) slidingly connected to the top of the base (3), the moving platform (6) top fixedly connected with a welding table (7), the welding table (7) top slidingly connected with a pair of clamping plates (8), the welding table (7) both sides are fixedly connected with a pair of air cylinders (15), the output end of the air cylinder (15) is slidingly penetrated through the inner wall of the welding table (7) and fixedly connected to the bottom of the clamping plate (8).
3. A soldering fixture for power electronics device manufacturing according to claim 2, characterized in that: The flexible clamping mechanism further includes a rotating rod (14) rotatingly connected to the inner wall of the clamping plate (8), the rotating rod (14) away from the clamping plate (8) side fixedly connected with a hand wheel, the rotating rod (14) away from the hand wheel side fixedly connected with a main gear (18), the outer wall of the main gear (18) is sleeved with an eight-shaped belt (19), the eight-shaped belt (19) away from the main gear (18) side is sleeved with a secondary gear (20).
4. The soldering fixture for power electronics manufacturing of claim 3, wherein: The flexible clamping mechanism further includes a worm (16) fixedly connected to the center of the secondary gear (20), the worm (16) away from the secondary gear (20) one end rotatingly connected to the inner wall of the clamping plate (8), the outer wall of the worm (16) is meshingly connected with a worm wheel (21), the middle of the worm wheel (21) is rotatingly connected with a support plate (13), the both sides of the support plate (13) are slidingly sleeved with a clamping sleeve (12).
5. The soldering fixture for power electronics manufacturing of claim 2, wherein: The anti-deformation mechanism includes a telescopic column (11) slidingly connected to the both sides of the moving platform (6), a pair of the telescopic column (11) top are jointly bolted with a blocking plate (9), the blocking plate (9) bottom is provided with a hole slot (17), the blocking plate (9) bottom inner wall is slidingly connected with a pair of folding plates (10), the width of the folding plate (10) is greater than the inner diameter of the hole slot (17).
6. A soldering fixture for power electronics device manufacturing according to claim 5, characterized in that: The blocking plate (9) is arranged in an inverted trapezoidal shape.