A welding fixture structure

Abstract

The application provides a welding tool structure, and relates to the technical field of welding tool structures, which comprises a fixed template, a fixed base, a first positioning assembly, a second positioning assembly and a third positioning assembly; a side plate is placed on the fixed base; the fixed template is arranged on one side of the fixed base, the side surface of the fixed template is arranged as a positioning surface, and the third positioning assembly can make the end surface of the side plate abut against the positioning surface; the upper end surface of the fixed template is a horizontal surface and is used for placing an angle steel; the first positioning assembly is arranged on the fixed template and is used for fixing the angle steel; a first through groove for placing a profile is formed in the fixed template, and when the profile is placed in the first through groove, the profile is in a horizontal state; the second positioning assembly is arranged on the fixed template and is used for abutting against the profile so as to fix the profile. The relative position relationship and dimensional accuracy among the angle steel, the side plate and the profile are kept accurate, and the welding piece structure can be accurately positioned, clamped and welded.

Description

Technical Field

[0001] This application relates to the technical field of welding fixture structures, and in particular to a welding fixture structure. Background Technology

[0002] Welding fixtures, also known as welding process equipment, are a general term for clamps, mechanical devices, or equipment that play a coordinating and auxiliary role in the assembly and welding process of welded structures. Welding fixtures specifically refer to process equipment that accurately positions and reliably clamps the workpieces, facilitating assembly and welding, and ensuring the structural precision requirements of the workpieces.

[0003] In actual production, different welded products require different tooling fixtures. (See attached instruction manual.) Figure 1 The illustrated weldment structure includes a profile, side plates, and angle steel. The side plates are perpendicular to and welded to the profile, while the angle steel is welded to the side plates. During the production of this weldment structure, the following requirements must be met: first, the perpendicularity between the profile and the side plates must be ensured; second, the horizontality between the profile and the angle steel must be ensured; and third, the relative positional accuracy between the profile, side plates, and angle steel must be ensured, thereby guaranteeing the welding accuracy of the product.

[0004] However, there is a problem in calibrating the profiles, angle steel and side plates during the welding process, which can easily lead to low welding accuracy of the welded structure and make it difficult to meet production requirements. Summary of the Invention

[0005] The purpose of this application is to provide a welding fixture structure to solve the problem that welding fixture structures in related technologies cannot effectively... Figure 1 The accurate positioning, clamping, and welding of the profiles, side plates, and angle steel in the product are not conducive to the welding accuracy.

[0006] The welding fixture structure provided in this application adopts the following technical solution:

[0007] A welding fixture structure includes a fixed template, a fixed base, a first positioning component, a second positioning component, and a third positioning component; a side plate is placed on the fixed base; the fixed template is disposed on one side of the fixed base, and the side of the fixed template is configured as a positioning surface; the third positioning component enables the end face of the side plate to abut against the positioning surface; the upper end face of the fixed template is a horizontal plane and is used to place angle steel; the first positioning component is disposed on the fixed template and is used to fix the angle steel; the fixed template has a first through groove for placing profiles, and when the profiles are placed in the first through groove, the profiles are in a horizontal state; the second positioning component is disposed on the fixed template and is used to abut against the profiles to fix the profiles.

[0008] By adopting the above technical solution, the second positioning component positions the profile on the fixed template. The angle steel is placed in the first through groove at the top of the fixed template, and the side of the angle steel is flush with the side of the fixed template to form a positioning surface. It is then fixed on the fixed template by the first positioning component. The third positioning component fixes the position of the side plate so that the side plate abuts against the angle steel and the profile. Under the combined action of the first positioning component, the second positioning component, the third positioning component and the fixed template, the relative positional relationship and dimensional accuracy between the angle steel, the side plate and the profile are kept accurate, and the welded structure can be accurately positioned, clamped and welded.

[0009] Optionally, a relief groove is provided on the positioning surface, and the side of the angle steel can be accommodated in the relief groove. When the angle steel is located in the relief groove, the side wall of the angle steel is flush with the positioning surface.

[0010] By adopting the above technical solution, when the side plate abuts against the positioning surface of the fixed template, the angle steel on the same positioning surface also abuts against the side plate at the same time, which facilitates the welding between the angle steel and the side plate.

[0011] Optionally, the first positioning component is provided in multiple sets, each set including multiple sets of first vertical rods. A first through hole is opened on the side of the fixed template, and the first vertical rod is accommodated in the first through hole. A second through hole is opened at the top of the fixed template, and the second through hole and the first through hole are connected. A third through hole is opened on the angle steel, and the first vertical rod can pass through the second through hole and the third through hole.

[0012] By adopting the above technical solution, when the angle steel needs to be fixed to the fixed template, the first vertical bar can pass through the third through hole on the angle steel to fix the angle steel to the fixed template.

[0013] Optionally, a measuring ruler is also included. The measuring ruler includes a first ruler plate and a second ruler plate. The first ruler plate is fixedly connected to the second ruler plate and is set vertically. Multiple fourth through holes are opened on the first ruler plate. When multiple first vertical rods pass through the multiple fourth through holes and the side wall of the first ruler plate abuts against the side plate, the second ruler plate is aligned with the top surface of the profile.

[0014] By adopting the above technical solution, the inspection ruler can be used to inspect and position the side plates, profiles and angle steel before welding, and can also be used after the welding of the weldment is completed to further filter and screen the qualification rate of the weldment.

[0015] Optionally, the first positioning component further includes a first sleeve and a first crossbar, the first vertical bar and the first crossbar are fixedly connected and vertically arranged; the first sleeve is located in the first through hole, the first sleeve has a second through groove along its length direction and a third through groove along its circumference, the second through groove and the third through groove are connected and vertically arranged, and the first crossbar can move in the second through groove and the third through groove.

[0016] By adopting the above technical solution, the first horizontal bar can be slid into the third through groove, further fixing the first horizontal bar to prevent the first vertical bar from detaching from the third through hole.

[0017] Optionally, the second positioning component includes a support plate and a second positioning pin. The support plate is fixedly connected to the fixed template, and the second positioning pin passes through the support plate and is used to abut against the profile.

[0018] By adopting the above technical solution, the second positioning pin drives the profile to move to the end of the fixed template where the angle steel is placed and abuts, and the profile fits into the shape of the fixed template.

[0019] Optionally, the third positioning component includes a reference plate and a third positioning pin, the third positioning pin passing through the reference plate and used to abut against the side plate.

[0020] By adopting the above technical solution, the third positioning pin pushes the side plate to abut against the angle steel and profile, which facilitates the welding between the side plate and the angle steel, and between the side plate and the profile.

[0021] Optionally, the mounting base is provided with multiple grooves.

[0022] By adopting the above technical solution, the multiple wavy grooves allow steel chips or debris to fall into the grooves, and the accumulation of debris in the grooves does not affect the movement or longitudinal position of the side plate.

[0023] Optionally, it also includes a first locking member, which passes through the base plate and is sleeved with the side plate.

[0024] By adopting the above technical solution, the first locking member is inserted into the side plate, which can adjust the longitudinal position of the side plate at any time and prevent changes in the longitudinal position of the side plate from affecting the welding position of the weldment.

[0025] Optionally, a second locking member is also included, through which the reference plate is fixedly connected to the fixed template. By adopting the above technical solution, the second locking member fixes the reference plate and the fixed template, so that the reference plate, the fixed seat, and the fixed template are in an abutting state, preventing gaps between the fixed seat and the fixed template from affecting the welding of the weldment.

[0026] In summary, this application includes at least one of the following beneficial technical effects:

[0027] The second positioning component positions the profile on the fixed template. The angle steel is placed in the first through groove at the top of the fixed template, and the side of the angle steel is flush with the side of the fixed template to form a positioning surface. It is then fixed to the fixed template by the first positioning component. The third positioning component fixes the position of the side plate so that the side plate abuts against the angle steel and the profile. Under the combined action of the first positioning component, the second positioning component, the third positioning component and the fixed template, the relative positional relationship and dimensional accuracy between the angle steel, the side plate and the profile are kept accurate, and the welded structure can be accurately positioned, clamped and welded. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of the structure of the weldment to be welded in this application;

[0029] Figure 2 This is a schematic diagram showing the disassembly of some tooling structures in an embodiment of this application;

[0030] Figure 3 for Figure 2 A magnified view of part A in the middle;

[0031] Figure 4 This is a schematic diagram of the structure of an embodiment of this application;

[0032] Figure 5 for Figure 4 A magnified view of part B in the middle section;

[0033] Figure 6 This is a schematic diagram of the structure of the detection ruler in an embodiment of this application.

[0034] In the picture,

[0035] 10. Fixed template; 11. First through groove; 12. Relief groove; 13. First through hole; 14. Second through hole; 15. Positioning surface;

[0036] 20. Fixing base; 21. Groove;

[0037] 30. First positioning component; 31. First positioning pin; 311. First sleeve; 3111. Second through groove; 3112. Third through groove; 312. First vertical rod; 313. First horizontal rod;

[0038] 40. Second positioning component; 41. Support plate; 42. Second positioning pin;

[0039] 50. Third positioning component; 51. Reference plate; 52. Third positioning pin;

[0040] 60. Base;

[0041] 70. Measuring ruler; 71. First measuring plate; 711. Fourth through hole; 72. Second measuring plate;

[0042] 80. First locking element; 81. Insert rod;

[0043] 90. Second locking element; 91. Locking bolt;

[0044] 100. Side panel; 110. Profile;

[0045] 120. Angle steel; 121. Third through hole. Detailed Implementation

[0046] The following is in conjunction with the appendix Figure 1 - Appendix Figure 6 This application will be described in further detail below.

[0047] This application discloses a welding fixture structure.

[0048] Reference Figure 1 , Figure 2 and Figure 3 A welding fixture structure includes a base 60, a fixed template 10 disposed on the base 60, a fixed seat 20 disposed on one side of the fixed template 10, a first positioning component 30, a second positioning component 40 and a third positioning component 50 disposed on the fixed template 10, a measuring ruler 70, a first locking member 80 and a second locking member 90.

[0049] The fixed template 10 has a first through groove 11 for placing the profile 110, and when the profile 110 is placed in the first through groove 11, the profile 110 is in a horizontal state; the angle steel 120 can be placed on the upper end face of the fixed template 10, and the angle steel 120 is positioned and fixed by the first positioning component 30; the fixed seat 20 is fixedly connected to the base 60, the end face of the fixed template 10 facing the fixed seat 20 is set as the positioning surface 15, the side plate 100 is placed on the fixed seat 20 and abuts against the positioning surface 15, and the side plate 100 is fixed by the third positioning component 50.

[0050] When angle steel 120, side plate 100, and profile 110 need to be welded, the dimensional accuracy requirements for their relative positions are high. The distance between profile 110 and the side edge of side plate 100 is a fixed value, and the distance between angle steel 120 and the side edge of side plate 100 is also a fixed value. The relative positions of the three must be precise. First, profile 110 is placed and accommodated in the first through groove 11 of fixed template 10, with the end of profile 110 aligned with the side of fixed template 10. The second positioning component 40 fixes profile 110 in the first through groove 11 to the side of fixed template 10. The position of the inner side abutting is determined, and the position of the fixing seat 20 is determined. The fixing seat 20 abuts against one side of the fixing template 10. The side plate 100 is placed on the fixing seat 20 and can move on the fixing seat 20. Then, the upper part of the angle steel 120 is placed on the fixing template 10, and the first positioning component 30 fixes it on the fixing template 10. Finally, the third positioning component 50 is driven to move the side plate 100 on the fixing seat 20 to a position where it abuts against both the end of the profile 110 and the side of the angle steel 120. The abutting part between the angle steel 120 and the side plate 100 is welded, and the abutting part between the end of the side plate 100 and the profile 110 is welded. The shape of the fixing template 10 is specially made according to the positional requirements between each welded structure. For similar structures where two steels are welded and the angle steel 120 is welded to the inner side of one of the steels, the shape of the fixing template 10 can be changed, and welding can be performed using this welding fixture structure.

[0051] Reference Figure 2 and Figure 3 The second positioning component 40 is mounted on the fixed template 10. The second positioning component 40 includes a support plate 41 and a second positioning pin 42. The support plate 41 is fixedly connected to the fixed template 10, and the second positioning pin 42 passes through the support plate 41 and abuts against the profile 110. The profile 110 is manually moved to a position where the outer wall of the end of the angle steel 120 is on the same horizontal plane as the side wall of the fixed template 10. The support plate 41 is fixed to the fixed template 10, and the second positioning pin 42 is fixed to the support plate 41, allowing the profile 110 to move within the first through groove 11. The second positioning pin 42 may include a second sleeve, a second vertical rod, and a second horizontal rod. When the profile 110 moves to abut against the inner side of the fixed template 10, the profile 110 fits into the shape within the fixed template 10. Two sets of this welding fixture structure can be provided, and the profile 110 can be horizontally placed on the fixed template 10 in either set of welding fixture structures.

[0052] Reference Figure 2 and Figure 3The fixed template 10 is mounted on the base 60. A clearance groove 12 is provided on the positioning surface 15 of the fixed template 10. The side of the angle steel 120 can be placed in the clearance groove 12. When the angle steel 120 is located in the clearance groove 12, the side wall of the angle steel 120 is flush with the positioning surface 15. The other side of the angle steel 120 is placed on top of the fixed template 10, and the top of the fixed template 10 is horizontal, thus ensuring that the angle steel 120 is horizontally positioned. The upper end of the fixed template 10 is stepped. The angle steel 120 is an L-shaped plate. The fixed template 10 is specially made according to the requirements of the weldment structure. The side plate 100 of the angle steel 120 can be precisely accommodated in the clearance groove 12, so that the outer wall of the side of the angle steel 120 is on the same horizontal plane as the positioning surface 15 of the fixed template 10. When the side plate 100 abuts against the fixed template 10, the side of the angle steel 120 also abuts against the side plate 100 simultaneously, facilitating welding between the angle steel 120 and the side plate 100.

[0053] Reference Figure 4 and Figure 5 The first positioning component 30 is provided in multiple sets, each set including multiple first vertical rods 312. A first through hole 13 is opened on the side of the fixed template 10, and the first vertical rods 312 are accommodated within the first through hole 13. A second through hole 14 is opened at the top of the fixed template 10, and the second through hole 14 and the first through hole 13 are interconnected. A third through hole 121 is opened on the angle steel 120, and the first vertical rods 312 can pass through the second through hole 14 and the third through hole 121. The first positioning component 30 is a first positioning pin 31, which is suspended above the first through hole 13 on the fixed template 10. When the angle steel 120 needs to be fixed to the fixed template 10, the first vertical rod 312 in the first positioning pin 31 passes through the third through hole 121 on the angle steel 120, fixing the angle steel 120 to the fixed template 10 together.

[0054] Reference Figure 4 and Figure 5 The specific structure of the first positioning pin 31 and its specific connection relationship with the angle steel 120 are as follows: The first positioning assembly 30 also includes a first sleeve 311, a first horizontal bar 313, a first vertical bar 312 and a first horizontal bar 313 fixedly connected and vertically arranged; the first sleeve 311 is located in the first through hole 13, the first sleeve 311 has a second through groove 3111 along its length direction and a third through groove 3112 along its circumference, the second through groove 3111 and the third through groove 3112 are connected and vertically arranged, and the first horizontal bar 313 can move in the second through groove 3111 and the third through groove 3112.

[0055] The first sleeve 311 is equipped with a first spring, which is sleeved around the outer periphery of the vertical rod and connects the upper and lower walls of the first sleeve 311. The first sleeve 311 is fixed to the fixed template 10. When the angle steel 120 needs to be fixed to the fixed template 10, the first horizontal rod 313 is pulled to stretch the first spring, causing the first horizontal rod 313 to slide into the bottom of the first sleeve 311 in the first through groove 11. At this time, the first vertical rod 312 moves away from the second through hole 14. After the angle steel 120 is placed, the first horizontal rod 313 slides from the bottom of the first sleeve 311 into the first through groove 11 under the elastic action of the first spring. At this time, the first vertical rod 312 passes through the second through hole 14 and then through the third through hole 121 on the angle steel 120, sliding the first horizontal rod 313 into the third through groove 3112, further fixing the first horizontal rod 313 and preventing the first vertical rod 312 from detaching from the third through hole 121.

[0056] Reference Figure 3 and Figure 6 The specific structure of the measuring ruler 70 and its specific connection relationship with the angle steel 120, the side plate 100 and the profile 110 are as follows: The measuring ruler 70 includes a first ruler plate 71 and a second ruler plate 72. The first ruler plate 71 and the second ruler plate 72 are fixedly connected and vertically arranged. Multiple fourth through holes 711 are opened on the first ruler plate 71. When multiple first vertical rods 312 pass through multiple fourth through holes 711 and the side wall of the first ruler plate 71 abuts against the side plate 100, the second ruler plate 72 is aligned with the top surface of the profile 110. The fourth through hole 711 on the first plate 71 of the measuring ruler 70 matches the first vertical rod 312. The bottom surface of the first plate 71 is in contact with the top surface of the angle steel 120. At the same time, the side wall of the first plate 71 is completely in contact with the side plate 100 without any gap. At this time, the welding position of the angle steel 120 and the side plate 100 is accurate. The second plate 72 of the measuring ruler 70 coincides with the top surface of the profile 110 and the end of the profile 110 is in contact with the side plate 100. At this time, the welding position of the side plate 100 and the profile 110 is accurate. The measuring ruler 70 has completed the inspection and the weldment can be welded.

[0057] The inspection ruler 70 can be used to inspect and position the side plate 100, profile 110 and angle steel 120 before welding. It can be used to perform multiple inspections and positioning until the relative positions of the three are accurate if there is any inaccuracy. It can also be used after the welding is completed to further filter and screen the weldment's pass rate, filtering out weldments with obvious defects or obvious defects.

[0058] Reference Figure 2 and Figure 3The mounting base 20 has multiple grooves 21, and the side plate 100 is placed on the multiple grooves 21. The multiple grooves 21 on the mounting base 20 form a wavy plate shape, and the side plate 100 can move on the mounting base 20. When steel chips or other debris fall and accumulate on the mounting base 20, affecting the movement or longitudinal position of the side plate 100, the wavy grooves 21 can allow the steel chips or debris to fall into the grooves 21. The side plate 100 is placed on the protrusion at the top of the groove 21, and the accumulation of debris in the groove 21 does not affect the movement or longitudinal position of the side plate 100. At the same time, the grooves 21 should be cleaned regularly.

[0059] Reference Figure 2 and Figure 3 The third positioning component 50 is mounted on the base 60. The third positioning component 50 includes a reference plate 51 and a third positioning pin 52. The third positioning pin 52 passes through the reference plate 51 and is used to abut against the side plate 100. The third positioning pin 52 may include a third sleeve, a third vertical rod, and a third horizontal rod. The reference plate 51 is fixed on the base 60, and the third positioning pin 52 is fixed on the reference plate 51 to drive the side plate 100 to move on the fixed seat 20. The side plate 100 abuts against the fixed template 10 and the angle steel 120 at the same time, which facilitates the welding between the side plate 100 and the angle steel 120. Since the profile 110 is manually moved for position adjustment, after the side plate 100 is attached to the fixed template 10, it may be necessary to adjust the position of the profile 110 appropriately so that the end of the profile 110 abuts against the side plate 100, which facilitates the welding between the side plate 100 and the profile 110. At the same time, two sets of such welding fixture structures can be set up, and the two sets of third positioning pins 52 act on both ends of the profile 110 simultaneously, so that the profile 110 abuts against the side plate 100.

[0060] Reference Figure 3 The first locking element 80 penetrates the base plate 51 and the side plate 100, and can be sleeved between the base plate 51 and the side plate 100. The first locking element 80 can be a plug rod 81. The longitudinal position of the side plate 100 on the fixing seat 20 may be affected by steel chips and debris. The plug rod 81 is inserted into the side plate 100, which can adjust the longitudinal position of the side plate 100 at any time and prevent changes in the longitudinal position of the side plate 100 from affecting the welding position of the weldment.

[0061] Reference Figure 3 The reference plate 51 is fixedly connected to the fixed template 10 by a second locking member 90. The second locking member 90 can be a locking bolt 91, which fixes the reference plate 51 and the fixed template 10, so that the reference plate 51, the fixed seat 20 and the fixed template 10 are in an abutting state, preventing gaps between the fixed seat 20 and the fixed template 10 from affecting the welding of the weldment. At the same time, the locking bolt 91 can be removed, which is convenient for replacement when the fixed template 10 needs to be replaced.

[0062] The implementation principle of a welding fixture structure in this embodiment is as follows: First, the profile 110 is placed and housed in the first through groove 11 of the fixed template 10. The end of the profile 110 is aligned with the side of the fixed template 10. The second positioning component 40 fixes the profile 110 in the first through groove 11 to a position that abuts against the inner side of the fixed template 10.

[0063] Next, determine the position of the fixing seat 20. The fixing seat 20 abuts against one side of the fixing template 10. Place the side plate 100 on the fixing seat 20. The side plate 100 can move on the fixing seat 20. Then, place the upper part of the angle steel 120 on the fixing template 10. The first positioning component 30 fixes it on the fixing template 10.

[0064] Finally, under the positioning action of the third positioning component 50, the side plate 100 is fixed on the fixing seat 20 at a position that abuts against both the end of the profile 110 and the side of the angle steel 120.

[0065] Multiple fourth through holes 711 on the first plate 71 of the measuring ruler 70 are matched with multiple first positioning pins 31, and the bottom surface of the first plate 71 is in contact with the top surface of the angle steel 120. At the same time, the side wall of the first plate 71 abuts against the side plate 100. The second plate 72 of the measuring ruler 70 is aligned with the top surface of the profile 110, and the end of the profile 110 abuts against the side plate 100. After the measuring ruler 70 completes the inspection, the abutting part between the angle steel 120 and the side plate 100 is welded, and the abutting part between the end of the side plate 100 and the profile 110 is welded.

[0066] The embodiments described in this specific implementation are preferred embodiments of this application and are not intended to limit the scope of protection of this application. Identical components are represented by the same reference numerals. Therefore, all equivalent changes made to the structure, shape, and principle of this application should be covered within the scope of protection of this application.

Claims

1. A welding fixture structure, characterized in that, It includes a fixed template (10), a fixed base (20), a first positioning component (30), a second positioning component (40), and a third positioning component (50); a side plate (100) is placed on the fixed base (20); the fixed template (10) is set on one side of the fixed base (20), and the side of the fixed template (10) is set as a positioning surface (15), and the third positioning component (50) enables the end face of the side plate (100) to abut against the positioning surface (15); the upper end face of the fixed template (10) is a horizontal plane and is used to place... Angle steel (120); the first positioning component (30) is disposed on the fixed template (10) and used to fix the angle steel (120); the fixed template (10) is provided with a first through groove (11) for placing the profile (110), and when the profile (110) is placed in the first through groove (11), the profile (110) is in a horizontal state; the second positioning component (40) is disposed on the fixed template (10) and used to abut against the profile (110) to fix the profile (110); A relief groove (12) is provided on the positioning surface (15), and the side of the angle steel (120) can be accommodated in the relief groove (12). When the angle steel (120) is located in the relief groove (12), the side wall of the angle steel (120) is flush with the positioning surface (15). The first positioning component (30) is provided in multiple sets, and the multiple sets of the first positioning components (30) include multiple first vertical rods (312). The side of the fixed template (10) is provided with a first through hole (13), and the first vertical rod (312) is accommodated in the first through hole (13). The top of the fixed template (10) is provided with a second through hole (14), and the second through hole (14) and the first through hole (13) are connected. The angle steel (120) is provided with a third through hole (121), and the first vertical rod (312) can pass through the second through hole (14) and the third through hole (121). It also includes a measuring ruler (70), which includes a first ruler plate (71) and a second ruler plate (72). The first ruler plate (71) and the second ruler plate (72) are fixedly connected and vertically arranged. The first ruler plate (71) has multiple fourth through holes (711). When multiple first vertical rods (312) pass through multiple fourth through holes (711) and the side wall of the first ruler plate (71) abuts against the side plate (100), the second ruler plate (72) is aligned with the top surface of the profile (110).

2. The welding fixture structure according to claim 1, characterized in that, The first positioning component (30) further includes a first sleeve (311) and a first crossbar (313). The first vertical bar (312) and the first crossbar (313) are fixedly connected and vertically arranged. The first sleeve (311) is located in the first through hole (13). The first sleeve (311) has a second through groove (3111) along its length direction and a third through groove (3112) along its circumference. The second through groove (3111) and the third through groove (3112) are connected and vertically arranged. The first crossbar (313) can move in the second through groove (3111) and the third through groove (3112).

3. The welding fixture structure according to claim 1, characterized in that, The second positioning component (40) includes a support plate (41) and a second positioning pin (42). The support plate (41) is fixedly connected to the fixed template (10). The second positioning pin (42) passes through the support plate (41) and is used to abut against the profile (110).

4. The welding fixture structure according to claim 1, characterized in that, The third positioning component (50) includes a base plate (51) and a third positioning pin (52), the third positioning pin (52) passing through the base plate (51) and used to abut against the side plate (100).

5. The welding fixture structure according to claim 1, characterized in that, The mounting base (20) is provided with multiple grooves (21).

6. The welding fixture structure according to claim 4, characterized in that, It also includes a first locking member (80) that can pass through the base plate (51) and be sleeved with the side plate (100).

7. The welding fixture structure according to claim 4, characterized in that, It also includes a second locking element (90), through which the reference plate (51) is fixedly connected to the fixed template (10).

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