A fixing method and fixing tool for welding power electronic components

Abstract

The present application provides a fixing tool for welding power electronic components, comprising a first mounting plate, wherein the lower end surface of the first mounting plate is provided with a height adjustment structure, the upper end surface of the first mounting plate is fixedly connected with three mounting sleeves by bolts, two of the mounting sleeves are rotatably connected with double-sided gear rings, and the first mounting plate is provided with a driving structure for driving the double-sided gear ring to rotate; through the arranged mounting sleeves, double-sided gear rings, driving structure, linkage gears, second mounting plate, mounting frame and first rack, it is achieved that the power electronic components can be fully fixed and clamped in a single rotation, thereby solving the problems of long fixing time and low fixing efficiency in the prior art.

Description

Technical Field

[0001] The invention relates to the field of power electronic component fixing tooling, and in particular to a fixing method for welding power electronic components and a fixing tooling thereof. Background Art

[0002] Electronic components are components of electronic elements and small machines and instruments. They are usually composed of several parts and can be used in similar products. They often refer to certain parts of industries such as electrical appliances, radios, and instruments. They are a general term for electronic devices such as capacitors, transistors, hairsprings, and springs. Power electronic components need to be fixed with fixtures during welding.

[0003] After searching, in the prior art, the Chinese patent with patent publication number CN215699331U discloses "a welding tool based on power electronic components manufacturing", but it still has the following defects:

[0004] In the prior art, when fixing power electronic components, the fixing tool needs to adjust multiple screws separately to fix the power electronic components, which takes a long time and reduces the fixing efficiency of the power electronic components.

[0005] In the prior art, the height of the fixed tooling is constant. Due to the different thicknesses of different power electronic components, the welding heights are different. In the prior art, it is inconvenient to adjust the height according to the actual size of the power electronic components.

[0006] In the prior art, the fixing fixture uses springs to fix and protect the power electronic components. The compression distance of the spring is constant, which makes it inconvenient to adjust different elastic clamping forces according to different power electronic components.

[0007] Therefore, we have made improvements on this and proposed a fixing method and fixing tooling for welding power electronic components. Summary of the invention

[0008] The purpose of the present invention is to solve the problems that the current fixing tooling is cumbersome to use and reduces the fixing efficiency, it is inconvenient to adjust the use height according to the thickness of the power electronic component, and it is inconvenient to adjust the elastic clamping force.

[0009] In order to achieve the above-mentioned object of the invention, the present invention provides the following technical solutions:

[0010] A fixing method and fixing tooling for welding power electronic components are provided to improve the above problems.

[0011] The specific application is as follows:

[0012] The invention comprises a first mounting plate, the lower end surface of the first mounting plate is provided with a height adjustment structure, the upper end surface of the first mounting plate is fixedly connected with three mounting sleeves by bolts, two of the mounting sleeves are rotatably connected with double-sided gear rings, the first mounting plate is provided with a driving structure for driving the double-sided gear ring to rotate, four linkage gears meshing with the inner rings of the double-sided gear rings are evenly rotatably connected with the first mounting plate, a second mounting plate is provided on the upper side of the first mounting plate, four strip-shaped openings are evenly opened on the second mounting plate, and mounting frames are slidably connected in the four strip-shaped openings, a first rack is provided on the lower side of the mounting frame, and the first rack is fixedly connected to the mounting frame by hexagon socket bolts, an adjusting plate is slidably connected to the mounting frame, an adjusting structure is provided in the mounting frame, and an adjustable elastic structure is provided on the adjusting plate.

[0013] As a preferred technical solution of the present application, the height adjustment structure includes a base plate arranged on the lower side of the first mounting plate, the upper end surface of the base plate is symmetrical and fixedly connected with two fixing columns, a connecting plate is fixedly connected between the top ends of the two fixing columns, a fixing plate is fixedly connected between the bottom ends of the two fixing columns, a threaded rod is rotatably connected at the center between the fixing plate and the connecting plate, the bottom end of the threaded rod passes through the fixing plate and is fixedly connected with a handwheel, a movable plate is threadedly connected on the threaded rod, and the two ends of the movable plate are respectively slidably connected to the fixed columns, the upper end surface of the movable plate is symmetrical and fixedly connected with two height adjustment columns, the top ends of the two height adjustment columns both pass through the connecting plate and are fixedly connected to the first mounting plate.

[0014] As a preferred technical solution of the present application, two rectangular openings are symmetrically opened on the movable plate, and scale plates are provided in each of the rectangular openings. The scale plates are slidably connected to the movable plate, and the upper and lower ends of the scale plates are fixedly connected to the connecting plate and the fixed plate respectively.

[0015] As a preferred technical solution of the present application, the driving structure includes a rotating shaft rotatably arranged on a first mounting plate, the upper end surface of the rotating shaft is fixedly connected to a first gear meshing with an outer ring of a double-sided gear ring, the bottom end of the rotating shaft is fixedly connected to a first worm gear, and the lower end surface of the first mounting plate is fixedly connected to two first connecting blocks, a first worm meshing with the first worm gear is rotatably connected between the two first connecting blocks, an extension rod is fixedly connected to the outer end of the first worm gear, the outer end of the extension rod is rotatably connected to a second connecting block, and the top end of the second connecting block is fixedly connected to the first mounting plate, and the outer end of the extension rod is fixedly connected to a knob.

[0016] As a preferred technical solution of the present application, the adjustment structure includes a connecting shaft rotatably arranged at the center of the upper end surface of the mounting frame, the top end of the connecting shaft is fixedly connected to a second gear, the second gear is externally meshed with a second rack, and the second rack is fixedly connected to the adjustment plate, the bottom end of the connecting shaft is fixedly connected to a second worm gear, and two connecting pieces are fixedly connected to the side walls of the mounting frame, a second worm gear meshed with the second worm gear is rotatably connected between the two connecting pieces, and a swivel head is fixedly connected to the outer end of the second worm gear.

[0017] As a preferred technical solution of the present application, the elastic structure includes two fixed sleeves fixed on the upper end surface of the adjusting plate, a mounting tube fixedly connected between the two fixing sleeves, a first sliding plate slidably connected to the inner end of the mounting tube, a second sliding plate slidably connected to the outer end of the mounting tube, a spring fixedly connected between the first sliding plate and the second sliding plate, a threaded column threadedly connected to the outer end of the mounting tube, and the inner end of the threaded column abuts against the second sliding plate, a rotating block fixedly connected to the outer end of the threaded column, a connecting column slidably connected to the inner end side wall of the mounting tube, and the inner end of the connecting column is fixedly connected to the first sliding plate, the outer end of the connecting column is fixedly connected to a fixing plate, and the outer side wall of the fixing plate is fixedly connected to a rubber pad.

[0018] As a preferred technical solution of the present application, four mounting grooves are evenly opened on the first mounting plate, and mounting columns are provided in the four mounting grooves. The top ends of the mounting columns are fixedly connected to the second mounting plate, and the bottom ends of the mounting columns are threadedly connected to fixing bolts.

[0019] As a preferred technical solution of the present application, a scale is provided on the upper surface of the adjustment plate, and a slide groove matching the adjustment plate is provided in the mounting frame.

[0020] As a preferred technical solution of the present application, the number of the mounting brackets and the number of the first racks are four, and the mounting brackets and the first racks are respectively provided with two mounting holes matching the hexagon socket bolts.

[0021] The present invention also provides a fixing method based on a fixing tool for welding power electronic components, comprising the following steps:

[0022] S1: First, place the base plate on the welding position, then turn the hand wheel to rotate the threaded rod, the rotation of the threaded rod causes the movable plate to move, the movement of the movable plate causes the height adjustment column to follow the movement, so as to flexibly adjust the height of the first mounting plate, while adjusting the height, observe the scale of the movable plate, and stop rotating the hand wheel after adjusting to the target height;

[0023] S2: According to the size of the power electronic components to be fixed, the extension length of the adjustment plate is adjusted respectively to ensure that the extension lengths of the left and right adjustment plates and the front and rear adjustment plates are the same. When adjusting, the rotary head is turned to rotate the second worm. The rotation of the second worm drives the second worm wheel, the connecting shaft and the second gear to rotate synchronously, thereby driving the second rack and the adjustment plate to move. When the adjustment plate moves to the target scale, the rotary head is stopped. After the adjustment is completed, there is no need to adjust again when fixing the power electronic components of the same size;

[0024] S3: Adjust the fixed elastic force strength according to the fixed power and electrical components, rotate the rotary block to make the threaded column rotate relative to the mounting tube to move, so that the second slide moves inward, so that the spring is compressed, and stop rotating the rotary block after adjusting the appropriate buffer force strength to ensure that the four springs are at the same compression length;

[0025] S4: Place the power and electrical components to be fixed on the second mounting plate, then turn the knob to rotate the first worm, the rotation of the first worm drives the first worm wheel, the rotating shaft and the first gear to rotate, the rotation of the first gear drives the double-sided ring gear to rotate, the rotation of the double-sided ring gear drives the connecting gear to rotate, the rotation of the connecting gear causes the four first racks to rotate synchronously, the movement of the first rack drives the mounting frame to move synchronously, and then the fixing plate moves inward synchronously to contact and clamp the power and electrical components, so as to facilitate the rapid fixation of the power and electrical components.

[0026] Compared with the prior art, the present invention has the following beneficial effects:

[0027] In the scheme of this application:

[0028] 1. Through the installation sleeve, double-sided gear ring, driving structure, linkage gear, second installation plate, installation frame and first rack, it is possible to fully fix and clamp the power electronic components in a single rotation, solving the problem of long fixing time and low fixing efficiency in the prior art;

[0029] 2. The height adjustment structure is set to adjust the height according to the size of the power electronic components, which is convenient for efficient welding of power electronic components and solves the problem of inconvenience in flexibly adjusting the height of fixed tooling in the prior art;

[0030] 3. Through the elastic structure, the strength of the elastic force can be flexibly adjusted, which is convenient for clamping and fixing different power electronic components, solving the problem of inconvenience in adjusting the elastic force according to different power electronic components in the prior art;

[0031] 4. By setting up the adjustment structure, it is possible to fix power electronic components of different sizes, increase the fixing range, and solve the problem in the prior art that the fixing tool is convenient for fixing round components but inconvenient for fixing rectangular components. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 A schematic diagram of the overall structure of a fixed tooling for welding power electronic components provided in this application;

[0033] Figure 2 A schematic diagram of the internal structure of a fixing tool for welding power electronic components provided in this application;

[0034] Figure 3 A schematic structural diagram of the separation of the first mounting plate and the second mounting plate based on the fixing tool for welding power electronic components provided in the present application;

[0035] Figure 4 A schematic diagram of the bottom structure of a fixed tooling for welding power electronic components provided in this application;

[0036] Figure 5 A schematic diagram of the front view of the fixed tooling for welding power electronic components provided in this application;

[0037] Figure 6 A schematic diagram of the adjustment structure of the fixed tooling for welding power electronic components provided in this application;

[0038] Figure 7 A schematic diagram of the adjustment structure of the fixed tooling for welding power electronic components provided in this application;

[0039] Figure 8 Schematic diagram of the elastic structure of the fixing fixture for welding power electronic components provided in this application.

[0040] Indicated in the figure:

[0041] 1. First mounting plate; 2. Height adjustment structure; 201. Bottom plate; 202. Fixed column; 203. Connecting plate; 204. Fixed plate; 205. Threaded rod; 206. Hand wheel; 207. Moving plate; 208. Height adjustment column; 209. Scale plate; 3. Mounting sleeve; 4. Double-sided gear ring; 5. Driving structure; 501. Rotating shaft; 502. First gear; 503. First worm gear; 504. First connecting block; 505. First worm; 506. Extension rod; 507. Second connecting block; 508. Knob; 6. Interlocking gear; 7. Second mounting plate; 8. Mounting frame; 9. First rack ; 10. Adjustment plate; 11. Adjustment structure; 1101. Connecting shaft; 1102. Second gear; 1103. Second rack; 1104. Second worm gear; 1105. Connecting piece; 1106. Second worm; 1107. Rotary head; 12. Elastic structure; 1201. Fixing sleeve; 1202. Mounting tube; 1203. First slide; 1204. Second slide; 1205. Spring; 1206. Threaded column; 1207. Rotary block; 1208. Connecting column; 1209. Fixing piece; 1210. Rubber pad; 13. Mounting groove; 14. Mounting column; 15. Fixing bolt. DETAILED DESCRIPTION

[0042] To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them.

[0043] Therefore, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the invention claimed for protection, but merely represents some embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0044] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0045] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0046] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8As shown, this embodiment proposes a fixing fixture for welding power electronic components, including a first mounting plate 1, a height adjustment structure 2 is provided on the lower end surface of the first mounting plate 1, and the height of the fixing fixture can be adjusted by the height adjustment structure 2, so that the height can be flexibly adjusted according to different power electronic components, thereby improving the welding effect. The upper end surface of the first mounting plate 1 is fixedly connected with three mounting sleeves 3 by bolts, and two mounting sleeves 3 are rotatably connected with double-sided gear rings 4. The mounting sleeves 3 facilitate the rotation of the double-sided gear rings 4. The first mounting plate 1 is provided with a driving structure 5 for driving the double-sided gear rings 4 to rotate. The driving structure 5 is convenient for driving the double-sided gear ring 4 to rotate, so as to facilitate the fixing of power electronic components. The first mounting plate 1 is evenly connected to four interlocking gears 6 that are meshed with the inner ring of the double-sided gear ring 4. The rotation of the double-sided gear ring 4 can drive the interlocking gear 6 to rotate. A second mounting plate 7 is provided on the upper side of the first mounting plate 1. Four mounting grooves 13 are evenly opened on the first mounting plate 1. Mounting columns 14 are provided in the four mounting grooves 13. The top of the mounting column 14 is fixedly connected to the second mounting plate 7. The bottom end of the mounting column 14 is threadedly connected to a fixing bolt 15. Through the mounting column 14 and the fixing The bolt 15 facilitates the installation and removal of the first mounting plate 1 and the second mounting plate 7. Four strip-shaped openings are evenly opened on the second mounting plate 7, and the four strip-shaped openings are slidably connected with the mounting frame 8. The lower side of the mounting frame 8 is provided with a first rack 9, and the first rack 9 is fixedly connected to the mounting frame 8 by a hexagon socket bolt. The first rack 9 can be moved by the rotation of the linkage gear 6, and the movement of the first rack 9 can drive the mounting frame 8 to move, so as to facilitate the fixing of the power electronic components with a single rotation. The mounting frame 8 is slidably connected with an adjustment plate 10, and the mounting frame 8 is provided with an adjustment structure. Structure 11, through the adjustment structure 11, the extension length of the adjustment plate 10 can be adjusted, so as to facilitate the fixation of power electronic components of different sizes. Compared with the prior art, the scope of application is wider, the adjustment plate 10 is provided with an adjustable elastic structure 12, and the upper surface of the adjustment plate 10 is provided with a scale, which is convenient for checking the moving distance and the adjustment is more precise. A slide groove matching the adjustment plate 10 is provided in the mounting frame 8, and the number of the mounting frame 8 and the first rack 9 are both four, and the mounting frame 8 and the first rack 9 are respectively provided with two mounting holes matching the hexagon socket bolts, which are convenient for installation and simple in design.

[0047] like Figure 1 and Figure 5As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, the height adjustment structure 2 includes a bottom plate 201 arranged on the lower side of the first mounting plate 1, the upper end surface of the bottom plate 201 is symmetrical and fixedly connected with two fixing columns 202, a connecting plate 203 is fixedly connected between the top ends of the two fixing columns 202, a fixing plate 204 is fixedly connected between the bottoms of the two fixing columns 202, a threaded rod 205 is rotatably connected at the center between the fixing plate 204 and the connecting plate 203, the bottom end of the threaded rod 205 passes through the fixing plate 204 and is fixedly connected with a hand wheel 206, a movable plate 207 is threadedly connected to the threaded rod 205, and the two ends of the movable plate 207 are respectively slidably connected to the fixing columns 202, the upper end surface of the movable plate 207 is symmetrical and There are two height-adjusting columns 208 fixedly connected, the top ends of the two height-adjusting columns 208 both penetrate the connecting plate 203 and are fixedly connected to the first mounting plate 1, two rectangular openings are symmetrically provided on the movable plate 207, and scale plates 209 are provided in the rectangular openings, the scale plates 209 are slidably connected to the movable plate 207, and the upper and lower ends of the scale plates 209 are respectively fixedly connected to the connecting plate 203 and the fixed plate 204; the threaded rod 205 is rotated forward and reversely by the hand wheel 206, the rotation of the threaded rod 205 causes the movable plate 207 to move up and down, and the movement of the movable plate 207 causes the height-adjusting columns 208 to follow the movement, thereby flexibly adjusting the height of the first mounting plate 1, and facilitating the flexible adjustment of the height of power electronic components of different sizes.

[0048] like Figure 1 , Figure 2 and Figure 4 As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, the driving structure 5 includes a rotating shaft 501 rotatably arranged on the first mounting plate 1, the upper end surface of the rotating shaft 501 is fixedly connected with a first gear 502 meshingly connected with the outer ring of the double-sided gear ring 4, the bottom end of the rotating shaft 501 is fixedly connected with a first worm gear 503, the lower end surface of the first mounting plate 1 is fixedly connected with two first connecting blocks 504, a first worm 505 meshingly connected with the first worm gear 503 is rotatably connected between the two first connecting blocks 504, and the outer end of the first worm 505 is fixedly connected with an extension The long rod 506, the outer end of the extension rod 506 is rotatably connected to the second connection block 507, and the top of the second connection block 507 is fixedly connected to the first mounting plate 1, and the outer end of the extension rod 506 is fixedly connected to the knob 508; the first worm 505 is rotated by the knob 508, and the rotation of the first worm 505 drives the first worm wheel 503, the rotating shaft 501 and the first gear 502 to rotate, and the rotation of the first gear 502 drives the double-sided gear ring 4 to rotate, and the power electronic components can be clamped and fixed with a single rotation, which shortens the fixing time and improves the fixing efficiency.

[0049] like Figure 1 , Figure 6 and Figure 7 As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, the adjustment structure 11 includes a connecting shaft 1101 rotatably arranged at the center of the upper end surface of the mounting frame 8, the top of the connecting shaft 1101 is fixedly connected with a second gear 1102, the second gear 1102 is externally meshed with a second rack 1103, and the second rack 1103 is fixedly connected to the adjustment plate 10, the bottom end of the connecting shaft 1101 is fixedly connected with a second worm gear 1104, and two connecting pieces 1105 are fixedly connected to the side wall of the mounting frame 8, and the two connecting pieces 1105 are fixedly connected to the side wall of the mounting frame 8. A second worm 1106 meshing with the second worm gear 1104 is rotatably connected between 105, and a swivel head 1107 is fixedly connected to the outer end of the second worm 1106; the second worm 1106 is rotated by the swivel head 1107, and the rotation of the second worm 1106 drives the second worm gear 1104, the connecting shaft 1101 and the second gear 1102 to rotate synchronously, thereby driving the second rack 1103 and the adjustment plate 10 to move. The extension length of the adjustment plate 10 is adjusted, which is convenient for fixing and clamping power electronic components of different sizes.

[0050] like Figure 1 and Figure 8 As shown, as a preferred embodiment, on the basis of the above method, further, the elastic structure 12 includes two fixing sleeves 1201 fixed on the upper end surface of the adjustment plate 10, a mounting tube 1202 is fixedly connected between the two fixing sleeves 1201, a first sliding piece 1203 is slidably connected in the inner end of the mounting tube 1202, a second sliding piece 1204 is slidably connected in the outer end of the mounting tube 1202, a spring 1205 is fixedly connected between the first sliding piece 1203 and the second sliding piece 1204, a threaded column 1206 is threadedly connected to the outer end of the mounting tube 1202, and the inner end of the threaded column 1206 is connected to the second sliding piece 1204. The outer end of the threaded column 1206 is fixedly connected with a rotary block 1207, and a connecting column 1208 is slidably connected to the inner end side wall of the mounting tube 1202, and the inner end of the connecting column 1208 is fixedly connected to the first sliding plate 1203, and the outer end of the connecting column 1208 is fixedly connected with a fixing plate 1209, and the outer side wall of the fixing plate 1209 is fixedly connected with a rubber pad 1210; by rotating the rotary block 1207, the threaded column 1206 is moved toward the mounting tube 1202, so that the length of the spring 1205 can be flexibly adjusted, thereby facilitating the adjustment of the strength of the elastic protective force, and facilitating flexible adjustment according to actual usage.

[0051] The present invention also provides a fixing method based on a fixing tool for welding power electronic components, comprising the following steps:

[0052] S1: First, place the base plate 201 on the welding position, then rotate the hand wheel 206 to rotate the threaded rod 205, the rotation of the threaded rod 205 causes the movable plate 207 to move, and the movement of the movable plate 207 causes the height adjustment column 208 to follow the movement, so as to flexibly adjust the height of the first mounting plate 1, while adjusting the height, observe the scale of the movable plate 207, and stop rotating the hand wheel 206 after adjusting to the target height;

[0053] S2: According to the size of the power electronic components to be fixed, the extension length of the adjustment plate 10 is adjusted respectively to ensure that the extension lengths of the left and right adjustment plates 10 and the front and rear adjustment plates 10 are the same. When adjusting, the rotary head 1107 is rotated to rotate the second worm 1106. The rotation of the second worm 1106 drives the second worm gear 1104, the connecting shaft 1101 and the second gear 1102 to rotate synchronously, thereby driving the second rack 1103 and the adjustment plate 10 to move. When the adjustment plate 10 moves to the target scale, the rotary head 1107 is stopped. After the adjustment is completed, there is no need to adjust again when fixing the power electronic components of the same size;

[0054] S3: Adjust the fixed elastic force strength according to the fixed power and electrical components, rotate the rotary block 1207 to make the threaded column 1206 rotate relative to the mounting tube 1202 to move, so that the second slide 1204 moves inward, so that the spring 1205 is compressed, and stop rotating the rotary block 1207 after adjusting the appropriate buffer force strength to ensure that the four springs 1205 are at the same compression length;

[0055] S4: Place the power and electrical components to be fixed on the second mounting plate 7, then turn the knob 508 to rotate the first worm 505, the rotation of the first worm 505 drives the first worm wheel 503, the rotating shaft 501 and the first gear 502 to rotate, the rotation of the first gear 502 drives the double-sided gear ring 4 to rotate, the rotation of the double-sided gear ring 4 drives the interlocking gear 6 to rotate, the rotation of the interlocking gear 6 causes the four first racks 9 to rotate synchronously, the movement of the first rack 9 drives the mounting frame 8 to move synchronously, and then the fixing plate 1209 moves inward synchronously to contact and clamp the power and electrical components, so as to facilitate the rapid fixation of the power and electrical components.

[0056] Specifically, the fixing method and fixing tool for welding power electronic components are as follows: first, the base plate 201 is placed on the welding position, and then the hand wheel 206 is turned to rotate the threaded rod 205, and the rotation of the threaded rod 205 causes the movable plate 207 to move, and the movement of the movable plate 207 causes the height adjustment column 208 to follow the movement, so as to flexibly adjust the height of the first mounting plate 1, and observe the scale of the movable plate 207 while adjusting the height, and stop rotating the hand wheel 206 after adjusting to the target height, and then adjust the height of the first mounting plate 1 according to the desired height. The extension length of the adjusting plate 10 is adjusted according to the size of the power electronic components to be fixed, and the extension lengths of the left and right adjusting plates 10 and the front and rear adjusting plates 10 are ensured to be the same. When adjusting, the rotary head 1107 is rotated to rotate the second worm 1106. The rotation of the second worm 1106 drives the second worm gear 1104, the connecting shaft 1101 and the second gear 1102 to rotate synchronously, thereby driving the second rack 1103 and the adjusting plate 10 to move. When the adjusting plate 10 moves to the target scale, the rotary head 1107 is stopped to adjust. After completion, when fixing the power electronic components of the same size, there is no need to adjust again, and then the screw block 1207 is turned to make the threaded column 1206 rotate relative to the mounting tube 1202 to move, so that the second slide 1204 moves inward, so that the spring 1205 is compressed, and the screw block 1207 is stopped after adjusting the appropriate buffering force strength to ensure that the four springs 1205 are at the same compression length; then the power electrical components to be fixed are placed on the second mounting plate 7, and then the knob 508 is turned to make the first worm 505 The first worm 505 rotates, and the rotation of the first worm gear 505 drives the first worm wheel 503, the rotating shaft 501 and the first gear 502 to rotate. The rotation of the first gear 502 drives the double-sided ring gear 4 to rotate. The rotation of the double-sided ring gear 4 drives the interlocking gear 6 to rotate. The rotation of the interlocking gear 6 makes the four first racks 9 rotate synchronously. The movement of the first rack 9 drives the mounting frame 8 to move synchronously, and then the fixing plate 1209 moves inward synchronously to contact and clamp the power and electrical components, so as to facilitate the rapid fixation of the power and electrical components.

[0057] All technical features in this embodiment can be freely combined according to actual needs.

[0058] The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention may also be implemented in other ways. Any obvious replacement without departing from the concept of the present technical solution is within the protection scope of the present invention.

Claims

1. A fixing tool for welding power electronic components, comprising a first mounting plate (1), characterized in that: The lower end surface of the first mounting plate (1) is provided with a height adjustment structure (2); the upper end surface of the first mounting plate (1) is fixedly connected with three mounting sleeves (3) by bolts; two of the mounting sleeves (3) are rotatably connected with double-sided gear rings (4); the first mounting plate (1) is provided with a driving structure (5) for driving the double-sided gear ring (4) to rotate; four interlocking gears (6) meshing with the inner ring of the double-sided gear ring (4) are evenly rotatably connected to the first mounting plate (1); the upper end surface of the first mounting plate (1) is provided with a plurality of mounting sleeves (3); and ... A second mounting plate (7) is provided on the side, four strip-shaped openings are evenly opened on the second mounting plate (7), and mounting frames (8) are slidably connected in the four strip-shaped openings, a first rack (9) is provided on the lower side of the mounting frame (8), and the first rack (9) is fixedly connected to the mounting frame (8) by a hexagon socket bolt, an adjustment plate (10) is slidably connected to the mounting frame (8), an adjustment structure (11) is provided in the mounting frame (8), and an adjustable elastic structure (12) is provided on the adjustment plate (10); The adjustment structure (11) comprises a connecting shaft (1101) rotatably arranged at the center of the upper end surface of the mounting frame (8); the top end of the connecting shaft (1101) is fixedly connected to a second gear (1102); the second gear (1102) is externally meshedly connected to a second rack (1103), and the second rack (1103) is fixedly connected to the adjustment plate (10); the bottom end of the connecting shaft (1101) is fixedly connected to a second worm gear (1104); two connecting pieces (1105) are fixedly connected to the side wall of the mounting frame (8); a second worm (1106) meshedly connected to the second worm gear (1104) is rotatably connected between the two connecting pieces (1105); and a swivel head (1107) is fixedly connected to the outer end of the second worm gear (1106); The elastic structure (12) comprises two fixing sleeves (1201) fixed on the upper end surface of the adjustment plate (10), a mounting tube (1202) is fixedly connected between the two fixing sleeves (1201), a first sliding plate (1203) is slidably connected inside the inner end of the mounting tube (1202), a second sliding plate (1204) is slidably connected inside the outer end of the mounting tube (1202), a spring (1205) is fixedly connected between the first sliding plate (1203) and the second sliding plate (1204), and the outer end of the mounting tube (1202) is threadedly connected to the inner end of the mounting tube (1202). A threaded column (1206) is provided, and the inner end of the threaded column (1206) abuts against the second sliding plate (1204), the outer end of the threaded column (1206) is fixedly connected to a rotary block (1207), a connecting column (1208) is slidably connected to the inner end side wall of the mounting tube (1202), and the inner end of the connecting column (1208) is fixedly connected to the first sliding plate (1203), the outer end of the connecting column (1208) is fixedly connected to a fixing plate (1209), and the outer side wall of the fixing plate (1209) is fixedly connected to a rubber pad (1210); The driving structure (5) comprises a rotating shaft (501) rotatably arranged on a first mounting plate (1); the upper end surface of the rotating shaft (501) is fixedly connected with a first gear (502) meshingly connected with the outer ring of the double-sided gear ring (4); the bottom end of the rotating shaft (501) is fixedly connected with a first worm gear (503); the lower end surface of the first mounting plate (1) is fixedly connected with two first connecting blocks (504); a first worm (505) meshingly connected with the first worm gear (503) is rotatably connected between the two first connecting blocks (504); the outer end of the first worm gear (505) is fixedly connected with an extension rod (506); the outer end of the extension rod (506) is rotatably connected with a second connecting block (507); the top end of the second connecting block (507) is fixedly connected with the first mounting plate (1); the outer end of the extension rod (506) is fixedly connected with a knob (508).

2. The fixing tool for welding power electronic components according to claim 1 is characterized in that: The height adjustment structure (2) comprises a bottom plate (201) arranged at the lower side of the first mounting plate (1); the upper end surface of the bottom plate (201) is symmetrically and fixedly connected to two fixing columns (202); a connecting plate (203) is fixedly connected between the top ends of the two fixing columns (202); a fixing plate (204) is fixedly connected between the bottom ends of the two fixing columns (202); a threaded rod (205) is rotatably connected at the center between the fixing plate (204) and the connecting plate (203). The bottom end of the threaded rod (205) passes through the fixed plate (204) and is fixedly connected to a hand wheel (206); a movable plate (207) is threadedly connected to the threaded rod (205), and both ends of the movable plate (207) are respectively slidably connected to the fixed column (202); the upper end surface of the movable plate (207) is symmetrical and fixedly connected to two height adjustment columns (208); the top ends of the two height adjustment columns (208) both pass through the connecting plate (203) and are fixedly connected to the first mounting plate (1).

3. The fixing tool for welding power electronic components according to claim 2, characterized in that: The movable plate (207) is symmetrically provided with two rectangular openings, and each rectangular opening is provided with a scale plate (209). The scale plate (209) is slidably connected to the movable plate (207), and the upper and lower ends of the scale plate (209) are respectively fixedly connected to the connecting plate (203) and the fixed plate (204).

4. The fixing tool for welding power electronic components according to claim 1, characterized in that: Four mounting grooves (13) are evenly arranged on the first mounting plate (1), and mounting columns (14) are arranged in the four mounting grooves (13). The top ends of the mounting columns (14) are fixedly connected to the second mounting plate (7), and the bottom ends of the mounting columns (14) are threadedly connected to fixing bolts (15).

5. The fixing tool for welding power electronic components according to claim 1, characterized in that: The upper surface of the adjustment plate (10) is provided with scales, and the mounting frame (8) is provided with a slide groove matching the adjustment plate (10).

6. The fixing tool for welding power electronic components according to claim 1, characterized in that: The number of the mounting frame (8) and the number of the first rack (9) are both four, and the mounting frame (8) and the first rack (9) are respectively provided with two mounting holes matching the hexagon socket bolts.

7. The fixing method based on the fixing tool for welding power electronic components according to any one of claims 1 to 6, characterized in that: The steps include: S1: placing the base plate (201) on the welding position, then rotating the hand wheel (206) to rotate the threaded rod (205), the rotation of the threaded rod (205) causes the movable plate (207) to move, the movement of the movable plate (207) causes the height adjustment column (208) to follow the movement, thereby flexibly adjusting the height of the first mounting plate (1), observing the scale of the movable plate (207) while adjusting the height, and stopping rotating the hand wheel (206) after adjusting to the target height; S2: adjusting the extension length of the adjustment plate (10) according to the size of the power electronic components to be fixed, ensuring that the extension lengths of the left and right adjustment plates (10) and the front and rear adjustment plates (10) are the same; when adjusting, rotating the rotary head (1107) to rotate the second worm (1106); the rotation of the second worm (1106) drives the second worm gear (1104), the connecting shaft (1101) and the second gear (1102) to rotate synchronously, thereby driving the second rack (1103) and the adjustment plate (10) to move; when the adjustment plate (10) moves to the target scale, the rotation of the rotary head (1107) is stopped; after the adjustment is completed, no further adjustment is required when fixing power electronic components of the same size; S3: adjusting the fixed elastic force strength according to the fixed power and electrical components, rotating the rotary block (1207) to make the threaded column (1206) rotate relative to the mounting tube (1202) to move, thereby making the second sliding piece (1204) move inward, thereby compressing the spring (1205), and stopping the rotation of the rotary block (1207) after adjusting the appropriate buffer force strength, to ensure that the four springs (1205) are at the same compression length; S4: The power and electrical components to be fixed are placed on the second mounting plate (7), and then the knob (508) is turned to rotate the first worm (505). The rotation of the first worm (505) drives the first worm wheel (503), the rotating shaft (501) and the first gear (502) to rotate. The rotation of the first gear (502) drives the double-sided gear ring (4) to rotate. The rotation of the double-sided gear ring (4) drives the interlocking gear (6) to rotate. The rotation of the interlocking gear (6) causes the four first racks (9) to rotate synchronously. The movement of the first rack (9) drives the mounting frame (8) to move synchronously, thereby causing the fixing plate (1209) to move inward synchronously to contact and clamp the power and electrical components, thereby facilitating the rapid fixing of the power and electrical components.

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