Turnover welding jig

Abstract

The utility model provides an overturning welding jig, which comprises a battery positioning seat, a first middle line, a second middle line, a first connecting piece and a second connecting piece, wherein the battery positioning seat is provided with a front surface and a back surface; the fifth end of the first supporting column is arranged on the first side of the first base, the first end of the first supporting column is rotatably arranged at the sixth end, and the first supporting column and the battery positioning base are provided with a first connecting position. The seventh end of the second supporting column is arranged on the second side, the second end of the second supporting column is rotatably arranged at the eighth end, the second supporting column and the battery positioning base are provided with a second connecting position, and the connecting direction of the first connecting position and the second connecting position is that the overturning line deviates from the first center line; the first limiting block is arranged on the third side; the second limiting block is arranged on the fourth side; when the reverse side faces the first base, the first limiting block abuts against the third end of the battery positioning base so that the battery positioning base can be parallel relative to the first base. When the front face faces the first base, the second limiting block abuts against the fourth end of the battery positioning base so that the battery positioning base can be parallel relative to the first base.

Description

TECHNICAL FIELD

[0001] The utility model relates to a turnover welding jig, especially a welding turnover jig with limiting function. BACKGROUND

[0002] When the general battery pack and PCBA (Printed Circuit Board Assembly) need double-sided welding, two jigs are made to weld the front and back surfaces respectively, personnel first put the battery pack into the battery positioning seat and then cover the cover plate to weld, after the front surface welding is completed, the battery pack is taken out, the battery pack is put into the battery positioning seat after being turned over, and then the cover plate is covered to weld, after the back surface welding is completed, the battery pack is taken out, which increases the jig cost and the personnel needs to take the battery pack twice, and the efficiency is low.

[0003] Therefore, it is necessary to design a new type of turnover welding jig to overcome the above defects. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of turnover welding jigs, and battery positioning seat can be limited by the limiting block of asymmetric setting to compatible PCBA and battery pack's front and back surface welding, realize saving jig cost and single taking battery pack to improve efficiency.

[0005] In order to achieve the above object, the utility model provides a turnover welding fixture for welding battery pack and PCBA and welding PCBA and FPC, which comprises: a battery positioning seat for bearing the battery pack, the battery positioning seat having a first end, a second end, a third end and a fourth end, the first end being opposite to the second end, the third end being opposite to the fourth end, the battery positioning seat having a first middle line in the direction connected by the first end and the second end, and the battery positioning seat further having opposite front and back surfaces; a first base having a first side, a second side, a third side and a fourth side, the first side being opposite to the second side, and the third side being opposite to the fourth side; a first supporting column having opposite fifth and sixth ends, the fifth end being arranged on the first side, and the first end being rotatably arranged on the sixth end, the first supporting column and the battery positioning seat having a first connecting part; a second supporting column having opposite seventh and eighth ends, the seventh end being arranged on the second side, and the second end being rotatably arranged on the eighth end, the second supporting column and the battery positioning seat having a second connecting part, the direction connected by the first connecting part and the second connecting part being a turnover line, the turnover line deviating from the first middle line, the battery positioning seat being turned along the turnover line so that the front surface or the back surface faces the first base; a first limiting block arranged on the third side; and a second limiting block arranged on the fourth side; wherein when the back surface faces the first base, the first limiting block abuts against the third end of the battery positioning seat to make the battery positioning seat parallel to the first base, thereby realizing one-side welding of the PCBA and the battery pack, and the second limiting block does not abut against the battery positioning seat; when the front surface faces the first base, the second limiting block abuts against the third end of the battery positioning seat to make the battery positioning seat parallel to the first base, thereby realizing the other-side welding of the PCBA and the battery pack, and the first limiting block does not abut against the battery positioning seat.

[0006] Preferably, the battery positioning seat has a second middle line on the front surface, the second middle line being perpendicular to the first middle line, and the projection of the first limiting block on the battery positioning seat deviates from the second middle line.

[0007] Preferably, the projection of the second limiting block on the battery positioning seat deviates from the second middle line, and the first limiting block and the second limiting block are respectively located on two sides of the second middle line.

[0008] Preferably, the battery positioning seat further has a first groove recessed from the front surface, the first groove being used for bearing the battery pack, the first groove having a third middle line in the direction of the first middle line, and the third middle line deviating from the turnover line.

[0009] Preferably, the utility model further comprises a cover plate rotatably arranged on the first end, the cover plate pressing the PCBA and limiting the battery pack to be fixed in the first groove.

[0010] Preferably, a third limiting block is rotatably arranged on the second end, and the third limiting block cooperates with the cover plate to limit the battery pack from being fixed in the first groove.

[0011] Preferably, the battery positioning seat further comprises a welding hole penetrating through the reverse surface and the bottom surface of the first groove.

[0012] Preferably, the battery positioning seat further comprises a second groove recessed from the reverse surface, and the welding hole penetrates through the second groove and the first groove.

[0013] Preferably, a second base is arranged on both sides of the first base respectively, and the second base is rotatably arranged relative to the first base.

[0014] Preferably, the second base comprises a rotating column and a plurality of magnetic blocks arranged around the rotating column, and the first base is rotatably arranged on the rotating column and is subjected to the magnetic force of the plurality of magnetic blocks to rotate at different angles relative to the second base.

[0015] Compared with the prior art, the turnover welding jig is used for welding the battery pack and the PCBA and welding the PCBA and the FPC, and comprises a battery positioning seat, a first base, a first supporting column, a second supporting column, a first limiting block and a second limiting block. The battery positioning seat is used for bearing the battery pack, and has a first end, a second end, a third end and a fourth end. The first end is opposite to the second end, and the third end is opposite to the fourth end. The battery positioning seat has a first middle line in the direction connected by the first end and the second end, and has opposite front and reverse surfaces. The first base has a first side, a second side, a third side and a fourth side. The first side is opposite to the second side, and the third side is opposite to the fourth side. The first supporting column has opposite fifth and sixth ends. The fifth end is arranged on the first side, and the first end is rotatably arranged on the sixth end. The first supporting column has a first connection with the battery positioning seat. The second supporting column has opposite seventh and eighth ends. The seventh end is arranged on the second side, and the second end is rotatably arranged on the eighth end. The second supporting column has a second connection with the battery positioning seat. The direction connected by the first connection and the second connection is a turnover line, and the turnover line deviates from the first middle line. The first limiting block is arranged on the third side, and the second limiting block is arranged on the fourth side. When the reverse surface faces the first base, the first limiting block abuts against the third end of the battery positioning seat to make the battery positioning seat parallel to the first base, thereby realizing one-side welding of the PCBA and the battery pack. When the front surface faces the first base, the second limiting block abuts against the third end of the battery positioning seat to make the battery positioning seat parallel to the first base, thereby realizing the other-side welding of the PCBA and the battery pack. Thus, the limiting blocks arranged asymmetrically can limit the battery positioning seat to realize the front and reverse surface welding of the PCBA and the battery pack, thereby saving the jig cost and improving the efficiency of single battery pack taking. Attached Figure Description

[0016] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0017] Figure 1 This is a schematic diagram of a flip welding fixture according to an embodiment of the present invention;

[0018] Figure 2 This is a schematic diagram of the battery positioning seat flipped to the reverse side according to an embodiment of the present invention. Detailed Implementation

[0019] To provide a better understanding of the purpose, structure, features and functions of this utility model, detailed descriptions are provided below with reference to the embodiments.

[0020] Reference Figure 1 and Figure 2 As shown, Figure 1 This is a schematic diagram of a flip welding fixture according to an embodiment of the present invention. Figure 2As shown in the figure, the battery positioning seat 11 is rotatably arranged at the sixth end 1312 of the first supporting column 131, and the first connecting position 151 is formed between the battery positioning seat 11 and the first supporting column 131; as shown in the figure, the seventh end 1321 of the second supporting column 132 is arranged at the second side 122, and the second end 112 of the battery positioning seat 11 is rotatably arranged at the eighth end 1322 of the second supporting column 132, and the second connecting position 152 is formed between the battery positioning seat 11 and the second supporting column 132; as shown in the figure, the first limiting block 141 is arranged at the third side 123, and the second limiting block 142 is arranged at the fourth side 124. Figure 1 As shown in the figure, when the reverse surface 1162 faces the first base 12, the first limiting block 141 abuts against the third end 113 of the battery positioning seat 11 to make the battery positioning seat 11 parallel to the first base 12, thereby realizing one-side welding of the PCBA 102 and the battery pack 101, and the second limiting block 142 does not abut against the battery positioning seat 11; as shown in the figure, when the front surface 1161 faces the first base 12, the second limiting block 142 abuts against the third end 113 of the battery positioning seat 11 to make the battery positioning seat 11 parallel to the first base 12, thereby realizing the other-side welding of the PCBA 102 and the battery pack 101, and the first limiting block 141 does not abut against the battery positioning seat 11, so that the battery positioning seat 11 can be limited by the asymmetrically arranged limiting blocks to realize the front and reverse surface welding of the PCBA 102 and the battery pack 101, thereby saving the cost of the jig and improving the efficiency of single-time taking of the battery pack 101. Figure 2 As shown in the figure, when the reverse surface 1162 faces the first base 12, the first limiting block 141 abuts against the third end 113 of the battery positioning seat 11 to make the battery positioning seat 11 parallel to the first base 12, thereby realizing one-side welding of the PCBA 102 and the battery pack 101, and the second limiting block 142 does not abut against the battery positioning seat 11; as shown in the figure, when the front surface 1161 faces the first base 12, the second limiting block 142 abuts against the third end 113 of the battery positioning seat 11 to make the battery positioning seat 11 parallel to the first base 12, thereby realizing the other-side welding of the PCBA 102 and the battery pack 101, and the first limiting block 141 does not abut against the battery positioning seat 11, so that the battery positioning seat 11 can be limited by the asymmetrically arranged limiting blocks to realize the front and reverse surface welding of the PCBA 102 and the battery pack 101, thereby saving the cost of the jig and improving the efficiency of single-time taking of the battery pack 101.

[0021] Referring to Figure 1 and Figure 2 As shown in FIG. 1, the battery positioning seat 11 is plate-shaped, and has a first end 111, a second end 112, a third end 113, a fourth end 114, a first middle line 1151, a front face 1161 and a back face 1162. The first end 111 and the second end 112 of the battery positioning seat 11 are rotatably arranged on the first support column 131 and the second support column 132 respectively. The third end 113 and the fourth end 114 of the battery positioning seat 11 are movable relative to the first base 12 respectively. The third end 113 of the battery positioning seat 11 is rotatable about the first middle line 1151. The fourth end 114 of the battery positioning seat 11 is rotatable about the first middle line 1151. The front face 1161 of the battery positioning seat 11 is rotatable about the first middle line 1151. The back face 1162 of the battery positioning seat 11 is rotatable about the first middle line 1151. In a specific implementation, the first end 111 and the second end 112 of the battery positioning seat 11 are rotatably arranged on the first support column 131 and the second support column 132 respectively. When a person flips the battery positioning seat 11 clockwise, the third end 113 of the battery positioning seat 11 rotates clockwise about the first middle line 1151. The fourth end 114 of the battery positioning seat 11 rotates clockwise about the first middle line 1151. The front face 1161 of the battery positioning seat 11 rotates clockwise about the first middle line 1151. The back face 1162 of the battery positioning seat 11 rotates clockwise about the first middle line 1151. When a person flips the battery positioning seat 11 counterclockwise, the third end 113 of the battery positioning seat 11 rotates counterclockwise about the first middle line 1151. The fourth end 114 of the battery positioning seat 11 rotates counterclockwise about the first middle line 1151. The front face 1161 of the battery positioning seat 11 rotates counterclockwise about the first middle line 1151. The back face 1162 of the battery positioning seat 11 rotates counterclockwise about the first middle line 1151. In this way, the battery positioning seat 11 is flipped relative to the first base 12 to facilitate the realization of the front and back to facilitate welding.

[0022] Referring to Figure 1 and Figure 2 As shown in FIG. 1, the first base 12 is plate-shaped, and has opposite first and second sides 121 and 122 and opposite third and fourth sides 123 and 124. The first support column 131 is arranged on the first side 121 of the first base 12. The second support column 132 is arranged on the second side 122 of the first base 12. The first limiting block 141 is arranged on the third side 123 of the first base 12. The second limiting block 142 is arranged on the fourth side 124 of the first base 12. The first base 12 serves as a support seat to support the first support column 131, the second support column 132, the first positioning block 141, the second positioning block 142 and the battery positioning seat 11 rotatably arranged between the first support column 131 and the second support column 132.

[0023] Referring to Figure 1 and Figure 2 As shown in

[0024] Referring to Figure 1 and Figure 2 As shown in

[0025] Referring to Figure 1 and Figure 2As shown, the first limiting block 141 is arranged on the third side 123 of the first base 12, and the second limiting block 142 is arranged on the fourth side 124 of the first base 12. In a specific implementation, one end of the first limiting block 141 is arranged on the third side 123 of the first base 12, and the other end of the first limiting block 141 is used to abut against one end of the battery positioning seat 11 to limit the clockwise turning angle of the battery positioning seat 11; one end of the second limiting block 142 is arranged on the fourth side 124 of the first base 12, and the other end of the second limiting block 142 is used to abut against the other end of the battery positioning seat 11 to limit the counterclockwise turning angle of the battery positioning seat 11. When the battery positioning seat 11 is turned from the front face 1161 away from the first base 12 to the front face 1161 facing the first base 12, the first limiting block 141 abutting against the third end 113 of the battery positioning seat 11 becomes the second limiting block 142 abutting against the third end 113 of the battery positioning seat 11, and the battery positioning seat 11 is turned clockwise along the turning line 153 during the turning process; when the battery positioning seat 11 is turned from the front face 1161 facing the first base 12 to the front face 1161 away from the first base 12, the second limiting block 142 abutting against the third end 113 of the battery positioning seat 11 becomes the first limiting block 141 abutting against the third end 113 of the battery positioning seat 11, and the battery positioning seat 11 is turned counterclockwise along the turning line 153 during the turning process. In this way, the battery positioning seat 11 is turned and limited by abutting against one of the first limiting block 141 and the second limiting block 142, so that the battery positioning seat 11 is limited to be relatively parallel to the first base 12, and the battery pack 101 carried by the battery positioning seat 11 is convenient for realizing the front and back face welding of the PCBA 102 and the battery pack 101.

[0026] Referring to Figure 1 and Figure 2As shown, the flip welding jig 100 further comprises a second base 16, which is arranged on the two sides of the first base 12 respectively, and is rotatably arranged with the first base 12. In a preferred embodiment, the second base 16 comprises a rotating column 161 and a plurality of magnetic blocks 162 (the rotating column 161 and the plurality of magnetic blocks 162 are shown as solid lines due to the dense dashed lines), the plurality of magnetic blocks 162 are arranged around the rotating column 161, the first base 12 is rotatably arranged on the rotating column 161, and the first base 12 is subjected to the suction force of the plurality of magnetic blocks 162 to rotate at different angles relative to the second base 16. In a specific implementation, the second base 16 is arranged below the first base 12, the first base 12 and the second base 16 are rotatably connected through the rotating column 161, the plurality of magnetic blocks 162 are inlaid in the second base 16, the plurality of magnetic blocks 162 are arranged around the rotating column 161 at intervals, the material of the first base 162 can be made of a material that can be magnetized, and the magnetic attraction increases the damping between the first base 12 and the second base 16, so that the first base 162 can rotate at the required angle relative to the second base 16, facilitating personnel to operate welding. Alternatively, the first base 12 has a number N of magnets corresponding to the plurality of magnetic blocks 162, and the magnets correspond one-to-one to the plurality of magnetic blocks 162. In this way, the first base 12 can rotate at a multiple of 360° / N relative to the second base 16, achieving precise angle rotation. For example, if the number N of the plurality of magnetic blocks 162 is 4, the first base 12 can select 90°, 180°, 270° or 360° relative to the base 16.

[0027] In the embodiment of the utility model, the battery positioning seat 11 has a second center line 1152 on the front surface 1161, the second center line 1152 is perpendicular to the first center line 1151, and the projection of the first limiting block 141 on the battery positioning seat 11 deviates from the second center line 1152. In a preferred embodiment, the projection of the second limiting block 142 on the battery positioning seat 11 deviates from the second center line 1152, and the first limiting block 141 and the second limiting block 142 are respectively located on the two sides of the second center line 1152. In a specific implementation, the first limiting block 141 is closer to the second supporting column 132 relative to the first supporting column 131, and the second limiting block 142 is closer to the first supporting column 131 relative to the second supporting column 132. When the third end 113 of the battery positioning seat 12 abuts against the second limiting block 142 instead of the first limiting block 141, the left hand of the personnel flips the battery positioning seat 11 so that the back surface 1162 of the battery positioning seat 11 faces the first base 12 to the front surface 1161 facing the first base 12. When the third end 113 of the battery positioning seat 11 abuts against the first limiting block 141 instead of the second limiting block 142, the right hand of the personnel flips the battery positioning seat 11 so that the front surface 1161 of the battery positioning seat 11 faces the first base 12 to the back surface 1162 facing the first base 12. In this way, the personnel can flip manually more quickly and conveniently.

[0028] In the embodiment of the utility model, battery positioning seat 11 still has first recess 1171 formed from front surface 1161 recess, first recess 1171 is used for bearing battery pack 101, first recess 1171 has third middle line 1153 in the direction of first middle line 1151, third middle line 1153 deviates from overturning line 153. Better implementation, still include cover plate 171, cover plate 171 rotatably set up in the first end 111 of battery positioning seat 11, cover plate 171 presses PCBA 102 and limits battery pack 101 and is fixed in first recess 1171. Better implementation, overturning welding fixture 100 still includes third limit block 172, third limit block 172 rotatably set up in the second end 112 of battery positioning seat 11, third limit block 172 cooperates with cover plate 171 and limits battery pack 101 and is fixed in first recess 1171. When specifically implementing, cover plate 171 is located in one end of first recess 1171, third limit block 172 is located in the other end of first recess 1171, PCBA 102 is close to the first end 111 of battery positioning seat 11, cover plate 171 presses PCBA 102 and battery pack 101, to facilitate the welding of PCBA 102 and battery pack 101, when still need to weld FPC (Flexible Printed Circuit, flexible circuit board) 103, one end of FPC 103 and the welding of PCBA 102, third limit block 172 covers the other end of FPC 103 to avoid the displacement of FPC 103.

[0029] In the embodiment of the utility model, battery positioning seat 11 still includes welding hole 118, welding hole 118 penetrates the back surface 1162 of battery positioning seat 11 and the bottom surface of first recess 1171. Better implementation, battery positioning seat 11 still has second recess 1172 formed from back surface 1162 recess, welding hole 118 penetrates second recess 1172 and first recess 1171. When specifically implementing, after the welding of PCBA 102 and battery pack 101 and the welding of one end of FPC 103 and PCBA 102 are completed, personnel make the front surface 1161 of battery positioning seat 11 face first base 12, the back surface 1162 of battery positioning seat 11 faces up, personnel make the other side of battery pack 101 and the other side of PCBA 102 weld through welding hole 118. Battery positioning seat 11 still has second recess 1172 formed from back surface 1162 recess to adapt to the thickness of PCBA 102 is less than the thickness of battery pack 101, finally benefit the welding of the other side of battery pack 101 and the other side of PCBA 102.

[0030] In summary, the turnover welding jig is used for welding the battery pack and the PCBA and welding the PCBA and the FPC, and the turnover welding jig comprises a battery positioning seat, a first base, a first supporting column, a second supporting column, a first positioning block and a second positioning block, the battery positioning seat is used for bearing the battery pack, the battery positioning seat has a first end, a second end, a third end and a fourth end, the first end is opposite to the second end, the third end is opposite to the fourth end, the battery positioning seat has a first center line in the direction connected by the first end and the second end, and the battery positioning seat also has opposite front and back surfaces; the first base has a first side, a second side, a third side and a fourth side, the first side is opposite to the second side, and the third side is opposite to the fourth side; the first supporting column has opposite fifth and sixth ends, the fifth end is arranged on the first side, and the first end is rotatably arranged on the sixth end, and the first supporting column and the battery positioning seat have a first connecting position; the second supporting column has opposite seventh and eighth ends, the seventh end is arranged on the second side, and the second end is rotatably arranged on the eighth end, and the second supporting column and the battery positioning seat have a second connecting position, the direction connected by the first connecting position and the second connecting position is a turnover line, and the turnover line deviates from the first center line; the first limiting block is arranged on the third side; the second limiting block is arranged on the fourth side; when the back surface faces the first base, the first limiting block abuts against the third end of the battery positioning seat, so that the battery positioning seat is parallel to the first base; when the front surface faces the first base, the second limiting block abuts against the fourth end of the battery positioning seat, so that the battery positioning seat is parallel to the first base, and in this way, the battery positioning seat can be limited by the asymmetrically arranged limiting blocks to save jig cost and improve efficiency of single battery pack taking.

[0031] Although the utility model has been described in conjunction with the drawings, the embodiments disclosed in the drawings are intended to exemplarily illustrate the preferred embodiments of the utility model and cannot be understood as a limitation of the utility model. In order to clearly describe the required components, the proportions in the schematic drawings do not represent the proportional relationship of the actual components.

[0032] The utility model has been described by the above-mentioned related embodiments, however, the above-mentioned embodiments are only examples for implementing the utility model. It must be pointed out that the disclosed embodiments do not limit the scope of the utility model. On the contrary, the changes and decorations made without departing from the spirit and scope of the utility model all belong to the patent protection scope of the utility model.

Claims

1. A flip-over welding fixture for welding battery packs to PCBAs, characterized in that, The flip welding fixture includes: A battery positioning seat for supporting the battery pack. The battery positioning seat has a first end, a second end, a third end and a fourth end. The first end is opposite to the second end, and the third end is opposite to the fourth end. The battery positioning seat has a first center line in the direction connecting the first end and the second end. The battery positioning seat also has a front and a back side. The first base has a first side, a second side, a third side and a fourth side, wherein the first side is opposite to the second side and the third side is opposite to the fourth side; The first support column has a fifth end and a sixth end opposite to each other. The fifth end is disposed on the first side, and the first end is rotatably disposed on the sixth end. The first support column and the battery positioning seat have a first connection point. The second support column has a seventh end and an eighth end opposite to each other. The seventh end is disposed on the second side, and the second end is rotatably disposed on the eighth end. The second support column and the battery positioning seat have a second connection point. The direction in which the first connection point and the second connection point are connected is a flip line. The flip line is deviated from the first center line. The battery positioning seat flips along the flip line so that the front or the back side faces the first base. A first limiting block is disposed on the third side; and The second limiting block is located on the fourth side; Specifically, when the reverse side faces the first base, the first limiting block abuts against the third end of the battery positioning seat, making the battery positioning seat parallel to the first base to achieve welding of one side of the PCBA and the battery pack, and the second limiting block does not abut against the battery positioning seat; when the front side faces the first base, the second limiting block abuts against the third end of the battery positioning seat, making the battery positioning seat parallel to the first base to achieve welding of the other side of the PCBA and the battery pack, and the first limiting block does not abut against the battery positioning seat.

2. The flipping welding fixture as described in claim 1, characterized in that, The battery positioning base has a second center line on the front side, which is perpendicular to the first center line, and the projection of the first limiting block on the battery positioning base is offset from the second center line.

3. The flipping welding fixture as described in claim 2, characterized in that, The projection of the second limiting block onto the battery positioning seat is offset from the second center line, and the first limiting block and the second limiting block are located on both sides of the second center line.

4. The flipping welding fixture as described in claim 1, characterized in that, The battery positioning seat also has a first groove formed from the recess on the front side, the first groove being used to support the battery pack, and the first groove having a third center line in the direction of the first center line, the third center line being offset from the flip line.

5. The flipping welding fixture as described in claim 4, characterized in that, It also includes a cover plate, which is rotatably disposed at the first end, and the cover plate presses against the PCBA and restricts the battery pack to be fixed in the first groove.

6. The flipping welding fixture as described in claim 5, characterized in that, It also includes a third limiting block, which is rotatably disposed at the second end, and the third limiting block cooperates with the cover plate to fix the battery pack in the first groove.

7. The flipping welding fixture as described in claim 4, characterized in that, The battery positioning base also includes a welding hole that penetrates the reverse side and the bottom surface of the first groove.

8. The flipping welding fixture as described in claim 7, characterized in that, The battery positioning base also has a second groove formed from the recess on the reverse side, and the welding hole passes through the second groove and the first groove.

9. The flipping welding fixture as described in claim 1, characterized in that, It also includes a second base, which is disposed on both sides of the first base and the first support column, and the second base and the first base are rotatably disposed relative to each other.

10. The flipping welding fixture as described in claim 9, characterized in that, The second base includes a rotating column and multiple magnetic blocks arranged around the rotating column. The first base is rotatably mounted on the rotating column and is attracted by the magnetic blocks to rotate at different angles relative to the second base.

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