A high frequency brazing apparatus

Abstract

This application provides a high-frequency brazing apparatus, relating to the field of welding equipment, comprising a feeding assembly and a welding assembly. The welding assembly includes a heating unit and a welding head. The heating unit is adapted to heat the brazing filler metal, and the welding head is adapted to apply a force toward the workpiece and the brazing filler metal. The feeding assembly includes a sliding seat, a receiving platform, a clamping unit, and a guide rail. The sliding seat is disposed on the guide rail and can slide along the guide rail to approach or move away from the heating unit. The receiving platform is disposed on the sliding seat and is adapted to place the welding substrate. The clamping unit is disposed on the sliding seat and is adapted to clamp the brazing filler metal and the workpiece. The clamping unit includes a pair of jaws and a clamping drive. The jaws can approach or move away from each other under the drive of the clamping drive. When the jaws approach each other, they can move upward above the receiving platform; when the jaws move away from each other, they can move downward below the receiving platform. This application has the effect of facilitating the removal of the welding substrate and reducing the risk of burns to the operator.

Description

Technical Field

[0001] This application relates to the field of welding equipment, and in particular to a high-frequency brazing equipment. Background Technology

[0002] Brazing is a welding method in which a filler metal with a flux that is below the melting point of the workpiece and the workpiece are heated to the melting temperature of the filler metal, and the liquid filler metal is used to fill the gaps in the solid workpiece to connect the metals.

[0003] High-frequency inductive heating is a method that can quickly heat metal. In the brazing process, the brazing filler metal and the workpiece to be welded are usually clamped together and heated. After the brazing filler metal melts, the molten brazing filler metal and the workpiece to be welded are placed together on the welding substrate to achieve welding between the workpiece and the welding substrate.

[0004] However, in existing brazing equipment, the distance between the clamp holding the brazing filler metal and the workpiece to be welded and the receiving platform for placing the welding substrate is usually set too close, making it inconvenient to remove the welded substrate after welding. Furthermore, if the welding substrate is small, it is easy to touch the clamp and get burned.

[0005] Therefore, a high-frequency brazing equipment is needed. Summary of the Invention

[0006] To address the issues of difficulty in removing the weld substrate and the risk of burns during the removal process, this application provides a high-frequency brazing device.

[0007] This application provides a high-frequency brazing device, which adopts the following technical solution: A high-frequency brazing device includes a feeding assembly and a welding assembly; the welding assembly includes a heating unit and a welding head, the heating unit is adapted to heat the brazing filler metal, and the welding head is adapted to apply a force toward the welding substrate to the workpiece and the brazing filler metal; the feeding assembly includes a sliding seat, a receiving platform, a clamping unit, and a guide rail, the sliding seat is disposed on the guide rail and can slide along the guide rail to approach or move away from the heating unit, the receiving platform is disposed on the sliding seat and is adapted to place the welding substrate, and the clamping unit is disposed on the sliding seat and is adapted to clamp the brazing filler metal and the workpiece to be welded; The clamping unit includes a pair of jaws and a clamping drive. The jaws can move closer to each other or further away from each other under the drive of the clamping drive. When the jaws move closer to each other, they can move up to above the platform of the receiving table. When the jaws move further away from each other, they can move down to below the platform of the receiving table.

[0008] By adopting the above technical solution, before welding, the jaws will approach each other to hold the brazing filler metal and the workpiece to be welded. Then, the sliding seat will move along the guide rail to the heating unit to melt the brazing filler metal, and apply a force towards the welding substrate through the welding head to achieve welding. After welding, the sliding seat will move away from the heating unit along the guide rail. Then, as the jaws open, they will also move down to below the table surface of the receiving platform, so that the jaws open to a large extent, making it easier to remove the welded substrate. When removing the welded substrate, since the jaws have moved to below the table surface of the receiving platform, the jaws will not be on the same horizontal plane as the welded substrate, thus making it less likely for workers to touch the jaws and be burned during the removal of the welded substrate.

[0009] Furthermore, the clamping drive is a parallel finger cylinder, which includes a cylinder body and pneumatic clamps disposed at both ends of the cylinder body; Each of the pneumatic clamps is provided with a pair of limiting rods perpendicular to the receiving platform. A limiting ring is provided at the end of the limiting rod away from the pneumatic clamp, and a compression spring is also sleeved on the limiting rod. A pair of wedge-shaped blocks are provided on the top surface of the cylinder body. Each wedge-shaped block corresponds to a pneumatic clamp. Each pneumatic clamp is provided with a gripper. Each gripper is provided with a limiting hole suitable for the limiting rod to pass through. The gripper is also provided with an abutment block that matches the wedge-shaped block on the side facing the pneumatic clamp. The abutment surface of the wedge-shaped block and the abutment block gradually rises from the direction close to the pneumatic clamp to the direction away from the pneumatic clamp. The gripper abuts against the wedge-shaped block via the compression spring.

[0010] By adopting the above technical solution, as the pneumatic clamp drives the grippers to approach each other, the grippers will gradually rise along the wedge block, thus moving from below the receiving platform to above the receiving platform.

[0011] Furthermore, each of the grippers has a clamping port at the end away from the pneumatic clamp, and a limiting protrusion ring is provided at the lower port of each clamping port. Two clamping ports can be combined to form a positioning groove suitable for accommodating brazing filler metal and the workpiece to be welded.

[0012] By adopting the above technical solution, it is easy to position and fix the brazing filler metal and the workpiece to be welded.

[0013] Furthermore, one of the pair of grippers is provided with a limiting groove, which is connected to the clamping opening, allowing the brazing filler metal and the workpiece to be welded to slide along the limiting groove and enter the clamping opening.

[0014] By adopting the above technical solution, when placing the brazing filler metal and the workpiece to be welded, both can be placed in the limiting groove first and then pushed into the clamping opening. This allows the brazing filler metal and the workpiece to be welded to be adjusted into position in the lower temperature limiting groove first, and then directly pushed into the higher temperature clamping opening. This greatly reduces the possibility of workers coming into direct contact with the higher temperature clamping opening, thereby reducing the risk of burns.

[0015] Furthermore, the receiving platform is provided with a positioning column and a pressure bearing seat. The welding substrate is positioned between itself and the receiving platform via the positioning column, and the welding point of the welding substrate is supported on the pressure bearing seat.

[0016] By adopting the above technical solution, the positioning column facilitates the positioning of the welding substrate, ensuring that the welding substrate can be supported on the pressure seat, thus reducing the likelihood of weld misalignment.

[0017] Furthermore, the receiving platform is also provided with multiple negative pressure holes, which are connected to a negative pressure device via pipes, and the welding substrate can be attached to the negative pressure holes.

[0018] By adopting the above technical solution, the welding substrate can be better fixed, and the installation and removal of the welding substrate can be facilitated.

[0019] Furthermore, it also includes a cable chain adapted to constrain the pipe.

[0020] By adopting the above technical solution, the related pipes will not undergo disorderly deformation during the movement of the sliding seat, thus preventing the movement of other components or causing damage to the pipes themselves.

[0021] Furthermore, the welding assembly also includes a first lifting seat and a second lifting seat, the heating unit is disposed on the first lifting seat, and the welding head is disposed on the second lifting seat; The heating unit is an electromagnetic heating coil, and a heating ring is formed by winding the electromagnetic heating coil. The welding head can pass through the heating ring and abut the brazing filler metal and the workpiece to be welded, which are clamped on the clamping unit, against the welding substrate placed on the sliding seat.

[0022] By adopting the above technical solution, the electromagnetic heating coil can be adjusted up and down, so that the electromagnetic heating coil can be maintained at a high position so that the sliding seat can move the solder to the electromagnetic heating coil. When the sliding seat moves the solder to below the electromagnetic heating coil, the electromagnetic heating coil can move down to get closer to the solder, so as to facilitate the melting of the solder.

[0023] Furthermore, the welding head includes an abutment rod and a spring. The first lifting seat is provided with a connecting ring. The abutment rod can pass through the sliding hole of the connecting ring, and the upper end of the abutment rod is provided with an anti-fall ring. The middle part of the abutment rod is provided with an abutment ring. The anti-fall ring abuts against the upper end face of the connecting ring. The spring is sleeved on the abutment rod, and one end of the spring abuts against the lower end face of the connecting ring, and the other end abuts against the abutment ring, and can apply a force away from the connecting ring to the abutment ring.

[0024] By adopting the above technical solution, the first lifting seat can drive the abutment rod to abut the brazing filler metal and the workpiece to be welded on the welding substrate, and then drive the abutment rod to continue to the next distance, thereby compressing the spring and applying a force towards the welding substrate to the abutment rod by the spring, thereby ensuring that no weld seam appears between the brazing filler metal, the workpiece to be welded and the welding substrate, and improving the welding quality.

[0025] Furthermore, it also includes a temperature sensor adapted to detect the temperature of the solder and the workpiece to be soldered.

[0026] By adopting the above technical solution, the temperature of the brazing filler metal and the workpiece to be welded can be detected in real time to ensure that the brazing filler metal is in a molten state, thereby improving the welding quality.

[0027] In summary, this application includes at least one of the following beneficial effects: Before welding, the jaws will come close together to hold the brazing filler metal and the workpiece to be welded. Then, the sliding seat will move along the guide rail to the heating unit to melt the brazing filler metal. The welding head will then apply a force towards the workpiece and the brazing filler metal to achieve welding. After welding, the sliding seat will move away from the heating unit along the guide rail. Then, as the jaws open, they will also move down to below the table surface of the receiving platform, making the jaws open to a large extent. This makes it easier to remove the welded workpiece. When removing the workpiece, since the jaws have moved to below the table surface of the receiving platform, the jaws will not be on the same horizontal plane as the workpiece. This makes it less likely for workers to touch the jaws and get burned during the removal of the workpiece. Attached Figure Description

[0028] Figure 1 This is a perspective view of a high-frequency brazing device according to this application; Figure 2 This is a top view of a high-frequency brazing device according to this application; Figure 3 yes Figure 2 Enlarged schematic diagram of a partial structure in the cross-sectional view along the EE direction; Figure 4 yes Figure 1 Enlarged view of region A in the middle; Figure 5yes Figure 1 Enlarged view of region B in the middle; Figure 6 yes Figure 1 Enlarged view of region C in the middle; Figure 7 yes Figure 1 A magnified view of region D in the middle.

[0029] Explanation of reference numerals in the attached drawings: 1. Feeding assembly; 11. Sliding seat; 12. Receiving platform; 121. Positioning post; 122. Pressure bearing seat; 123. Negative pressure hole; 13. Guide rail; 14. Gripper; 141. Abutment block; 142. Clamping opening; 143. Limiting protrusion ring; 144. Limiting groove; 15. Clamping drive component; 151. Cylinder; 152. Pneumatic clamp; 153. Limiting rod; 154. Limiting ring; 155. Compression spring; 156. Wedge block; 2. Welding assembly; 21. First lifting seat; 211. Connecting ring; 22. Second lifting seat; 23. Electromagnetic heating coil; 231. Heating ring; 24. Abutment rod; 241. Anti-fall ring; 242. Abutment ring; 25. Spring; 3. Cable chain; 4. Temperature sensor. Detailed Implementation

[0030] Figure 1 This is a perspective view of a high-frequency brazing device according to this application. Figure 2 This is a top view of a high-frequency brazing device according to this application. See also... Figure 1 and Figure 2 The high-frequency brazing equipment provided in this application includes a feeding assembly 1 and a welding assembly 2; the welding assembly 2 includes a heating unit and a welding head, the heating unit is adapted to heat the brazing filler metal, and the welding head is adapted to apply a force toward the welding substrate to the workpiece and the brazing filler metal so as to achieve brazing.

[0031] Specifically, the feeding assembly 1 can be configured to include a sliding cylinder, a receiving platform 12, and a clamping unit. The sliding cylinder includes a sliding seat 11 and a guide rail 13. The sliding seat 11 is disposed on the guide rail 13 and can slide along the guide rail 13 to approach or move away from the heating unit. The receiving platform 12 is disposed on the sliding seat 11 and is adapted to place the welding substrate. The clamping unit is disposed on the sliding seat 11 and is adapted to clamp the brazing filler metal and the workpiece to be welded. The brazing filler metal is placed below the workpiece to be welded. When the sliding seat 11 moves to the heating unit, the heating unit can heat the brazing filler metal and the workpiece to be welded until the brazing filler metal melts. Then, a force towards the welding substrate will be applied to the workpiece to be welded through the welding head so that the molten brazing filler metal is clamped between the workpiece to be welded and the welding substrate, thereby realizing brazing between the workpiece to be welded and the welding substrate.

[0032] Furthermore, the clamping unit can be configured to include a pair of jaws 14 and a clamping drive 15. The jaws 14 can move closer or further apart under the drive of the clamping drive 15. When the jaws 14 move closer together, they can move upwards to above the platform of the receiving table 12. When the jaws 14 move further apart, they can move downwards to below the platform of the receiving table 12. Before welding, the jaws 14 will move closer together to clamp the brazing filler metal and the workpiece to be welded. Then, the sliding seat 11 will move along the guide rail 13 to the heating unit to melt the brazing filler metal and apply it to the workpiece and the workpiece through the welding head. The material is applied towards the welding substrate to achieve welding. After welding, the sliding seat 11 will move away from the heating unit along the guide rail 13. Then, the gripper 14 will open and move down to below the table surface of the receiving platform 12, so that the gripper 14 opens to a large extent, making it easier to remove the welded substrate. When removing the welded substrate, since the gripper 14 has moved to below the table surface of the receiving platform 12, the gripper 14 will not be on the same horizontal plane as the welded substrate. This makes it less likely for workers to touch the gripper 14 and get burned during the removal of the welded substrate.

[0033] Figure 3 yes Figure 2 A partial structural enlarged schematic diagram of the cross-sectional view along the EE direction, see [link / reference]. Figure 3 The clamping drive component 15 is a parallel finger cylinder (e.g., an MHL2 type wide-jaw pneumatic finger cylinder). The parallel finger cylinder includes a cylinder body 151 and pneumatic clamps 152 located at both ends of the cylinder body 151. Each pneumatic clamp 152 is provided with a pair of limiting rods 153 perpendicular to the receiving platform 12. A limiting ring 154 is provided at the end of the limiting rod 153 away from the pneumatic clamp 152, and a compression spring 155 is also sleeved on the limiting rod 153. A pair of wedge blocks 156 are provided on the top surface of the cylinder body 151, and the wedge blocks 156 correspond one-to-one with the pneumatic clamps 152. Each pneumatic clamp 152 is provided with a jaw 14, and each jaw 14 is provided with a feature suitable for limiting the position. The limiting hole through which the rod 153 passes, and the side of the gripper 14 facing the pneumatic clamp 152, is also provided with an abutment block 141 that matches the wedge block 156. The abutment surface of the wedge block 156 and the abutment block 141 gradually rises from the direction close to the pneumatic clamp 152 to the direction far away from the pneumatic clamp 152. As the pneumatic clamp 152 drives the gripper 14 to approach each other, the gripper 14 will gradually rise along the wedge block 156, thereby being able to move from below the platform of the receiving platform 12 to above the platform of the receiving platform 12. The gripper 14 can abut against the wedge block 156 via the compression spring 155, thereby ensuring the stability of the gripper 14 during the up and down movement.

[0034] Understandably, since the melting point of brazing filler metal is often as high as several hundred degrees Celsius, the jaws 14 can be made of ceramic materials (such as alumina ceramics or zirconia ceramics) to withstand high temperatures.

[0035] Figure 4 yes Figure 1 Enlarged view of region A in the middle. Figure 5 yes Figure 1 See the enlarged view of region B in the middle. Figure 4 and Figure 5 Each of the grippers 14 has a gripping port 142 at the end away from the pneumatic clamp 152. Each gripping port 142 has a limiting protrusion ring 143 at the lower end. The two gripping ports 142 can be combined to form a positioning groove suitable for accommodating the brazing filler metal and the workpiece to be welded, thereby facilitating the positioning and fixing of the brazing filler metal and the workpiece to be welded.

[0036] Furthermore, a limiting groove 144 can be provided on one of the pair of grippers 14. The limiting groove 144 is connected to the clamping port 142, and the brazing filler metal and the workpiece to be welded can slide along the limiting groove 144 and enter the clamping port 142. This design allows the brazing filler metal and the workpiece to be welded to be placed in the limiting groove 144 first, and then pushed into the clamping port 142 by a push rod (not shown in the figure). This allows the brazing filler metal and the workpiece to be welded to be adjusted into position in the lower temperature limiting groove 144 first, and then directly pushed into the higher temperature clamping port 142. This can greatly reduce the possibility of workers coming into direct contact with the higher temperature clamping port 142, thereby reducing the risk of burns.

[0037] Figure 6 yes Figure 1 See the enlarged view of region C in the middle. Figure 2 and Figure 6 The receiving platform 12 is provided with a positioning post 121 and a pressure seat 122. The welding substrate is provided with positioning holes that match the positioning post 121, so that the welding substrate can be positioned between the positioning post 121 and the receiving platform 12 through the cooperation of the positioning hole and the positioning post 121. This ensures that the welding of the welding substrate can be supported on the pressure seat 122, thus preventing welding deviation. After positioning, the welding point of the welding substrate will be supported on the pressure seat 122. Similarly, the pressure seat 122 can also be made of high temperature resistant ceramic material.

[0038] The receiving platform 12 is also provided with multiple negative pressure holes 123. The negative pressure holes 123 are connected to the negative pressure device through pipes. The welding substrate can be attached to the negative pressure holes 123, so that the negative pressure adsorption effect of the negative pressure holes 123 can achieve a better fixing effect on the welding substrate, and facilitate the installation and removal of the welding substrate.

[0039] In addition, see Figure 1It is understood that the slide cylinder, the parallel finger cylinder, and the negative pressure port 123 can all be connected to the air source through their respective pipes, and a vacuum generator (existing technology) needs to be installed on the pipes, and the negative pressure port 123 is connected to the negative pressure port of the vacuum generator. The above-mentioned pipes can be confined in the drag chain 3 so that during the movement of the slide seat 11, the relevant pipes will not undergo messy deformation, which would affect the movement of other components or cause damage to the pipes themselves.

[0040] Figure 7 yes Figure 1 See the enlarged view of region D in the middle. Figure 1 and Figure 7 The welding assembly 2 also includes a first lifting seat 21 and a second lifting seat 22. The heating unit is located on the first lifting seat 21, and the welding head is located on the second lifting seat 22. Specifically, the heating unit is an electromagnetic heating coil 23, and a heating ring 231 is wound around the electromagnetic heating coil 23. The welding head can pass through the heating ring 231 and bring the brazing filler metal and the workpiece to be welded, which are clamped on the clamping unit, against the welding substrate placed on the sliding seat 11. The first lifting seat 21 makes the electromagnetic heating coil 23 adjustable up and down, so that the electromagnetic heating coil 23 can be maintained at a high position so that the sliding seat 11 can move the brazing filler metal to the electromagnetic heating coil 23. When the sliding seat 11 moves the brazing filler metal to below the electromagnetic heating coil 23, the electromagnetic heating coil 23 can move down to get closer to the brazing filler metal, so as to facilitate the melting of the brazing filler metal.

[0041] See Figure 7 The welding head includes an abutment rod 24 and a spring 25. A connecting ring 211 is provided on the first lifting seat 21. The abutment rod 24 can pass through a sliding hole in the connecting ring 211. An anti-fall ring 241 is provided at the upper end of the abutment rod 24, and an abutment ring 242 is provided in the middle of the abutment rod 24. The anti-fall ring 241 abuts against the upper end face of the connecting ring 211. The spring 25 is sleeved on the abutment rod 24, with one end of the spring 25 abutting against the lower end face of the connecting ring 211 and the other end abutting against the upper end face of the connecting ring 211. The connecting ring 242 abuts against the connecting ring 211 and can apply a force away from the connecting ring 211 to the abutting ring 242. The first lifting seat 21 can drive the abutting rod 24 to abut against the brazing filler metal and the workpiece to be welded on the welding substrate. After that, the abutting rod 24 will continue to the next distance, thereby compressing the spring 25. The spring 25 applies a force towards the welding substrate to the abutting rod 24, thereby ensuring that no weld seam appears between the brazing filler metal, the workpiece to be welded and the welding substrate, and improving the welding quality.

[0042] See Figure 1 and Figure 2 It also includes a temperature sensor 4 (which can be an infrared temperature sensor), which is suitable for detecting the temperature of the brazing filler metal and the workpiece to be soldered, so as to ensure that the brazing filler metal is in a molten state and can improve the welding quality.

[0043] The working principle of the high-frequency brazing equipment in this application is as follows: Before welding, the jaws 14 will come close together to hold the brazing filler metal and the workpiece to be welded. Then, the sliding seat 11 will move along the guide rail 13 to the heating unit to melt the brazing filler metal. The welding head will apply a force towards the workpiece and the brazing filler metal to achieve welding. After welding, the sliding seat 11 will move away from the heating unit along the guide rail 13. Then, the jaws 14 will open and move down to below the table surface of the receiving platform 12, so that the jaws 14 have a large opening range, which makes it easy to remove the welded workpiece. When removing the welded workpiece, since the jaws 14 have moved to below the table surface of the receiving platform 12, the jaws 14 will not be on the same horizontal plane as the welded workpiece. This makes it less likely for workers to touch the jaws 14 and be burned during the removal of the welded workpiece.

[0044] In addition, the brazing filler metal and the workpiece to be welded can be placed in the limiting slide 144 to adjust their posture, and then pushed into the clamping port 142 by the push rod. This allows the brazing filler metal and the workpiece to be welded to be adjusted into position in the lower temperature limiting slide 144 before being pushed directly into the higher temperature clamping port 142. This greatly reduces the possibility of workers coming into direct contact with the higher temperature clamping port 142, thereby reducing the risk of burns.

[0045] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A high-frequency brazing device, characterized in that, The assembly includes a feeding component (1) and a welding component (2); the welding component (2) includes a heating unit and a welding head, the heating unit being adapted to heat the brazing filler metal, and the welding head being adapted to apply a force toward the welding substrate to the workpiece and the brazing filler metal; the feeding component (1) includes a sliding seat (11), a receiving platform (12), a clamping unit and a guide rail (13), the sliding seat (11) being disposed on the guide rail (13) and being able to slide along the guide rail (13) to approach or move away from the heating unit, the receiving platform (12) being disposed on the sliding seat (11) and being adapted to place the welding substrate, and the clamping unit being disposed on the sliding seat (11) and being adapted to clamp the brazing filler metal and the workpiece to be welded; The clamping unit includes a pair of jaws (14) and a clamping drive (15). The jaws (14) can move closer to each other or further away from each other under the drive of the clamping drive (15). When the jaws (14) move closer to each other, the jaws (14) can move up to above the table surface of the receiving platform (12). When the jaws (14) move further away from each other, the jaws (14) can move down to below the table surface of the receiving platform (12). The clamping drive (15) is a parallel finger cylinder, which includes a cylinder body (151) and pneumatic clamps (152) located at both ends of the cylinder body (151). Each of the pneumatic clamps (152) is provided with a pair of limiting rods (153) perpendicular to the receiving platform (12). A limiting ring (154) is provided at one end of the limiting rod (153) away from the pneumatic clamp (152), and a compression spring (155) is also sleeved on the limiting rod (153). The top surface of the cylinder (151) is provided with a pair of wedge blocks (156), the wedge blocks (156) correspond one-to-one with the pneumatic clamps (152), each pneumatic clamp (152) is provided with a jaw (14), each jaw (14) is provided with a limiting hole suitable for the limiting rod (153) to pass through, and the side of the jaw (14) facing the pneumatic clamp (152) is also provided with an abutting block (141) that matches the wedge block (156). The abutting surface of the wedge block (156) and the abutting block (141) gradually rises from the direction close to the pneumatic clamp (152) to the direction away from the pneumatic clamp (152), and the jaw (14) abuts against the wedge block (156) via the compression spring (155); Each of the grippers (14) has a gripping port (142) at one end away from the pneumatic clamp (152). Each gripping port (142) has a limiting protrusion ring (143) at its lower end. Two gripping ports (142) can be combined to form a positioning groove suitable for accommodating brazing filler metal and workpiece to be welded. One of the pair of grippers (14) is provided with a limiting groove (144), which is connected to the clamping port (142). The brazing filler metal and the workpiece to be welded can slide along the limiting groove (144) and enter the clamping port (142).

2. The high-frequency brazing equipment according to claim 1, characterized in that: The receiving platform (12) is provided with a positioning post (121) and a pressure seat (122). The welding substrate is positioned between itself and the receiving platform (12) via the positioning post (121), and the welding point of the welding substrate is supported on the pressure seat (122).

3. The high-frequency brazing equipment according to claim 2, characterized in that: The receiving platform (12) is also provided with a plurality of negative pressure holes (123). The negative pressure holes (123) are connected to the negative pressure device via pipes, and the welding substrate can be attached to the negative pressure holes (123).

4. The high-frequency brazing equipment according to claim 3, characterized in that: It also includes a cable chain (3) adapted to constrain the pipe.

5. A high-frequency brazing apparatus according to any one of claims 1 to 4, characterized in that: The welding assembly (2) further includes a first lifting seat (21) and a second lifting seat (22), the heating unit is disposed on the first lifting seat (21), and the welding head is disposed on the second lifting seat (22); The heating unit is an electromagnetic heating coil (23), and a heating ring (231) is formed on the electromagnetic heating coil. The welding head can pass through the heating ring (231) and abut the brazing filler metal and the workpiece to be welded held on the clamping unit against the welding substrate placed on the sliding seat (11).

6. The high-frequency brazing equipment according to claim 5, characterized in that: The welding head includes an abutment rod (24) and a spring (25). The first lifting seat (21) is provided with a connecting ring (211). The abutment rod (24) can pass through the sliding hole of the connecting ring (211). The upper end of the abutment rod (24) is provided with a fall protection ring (241). The middle part of the abutment rod (24) is provided with a fall protection ring (242). The fall protection ring (241) abuts against the upper end face of the connecting ring (211). The spring (25) is sleeved on the abutment rod (24). One end of the spring (25) abuts against the lower end face of the connecting ring (211), and the other end abuts against the fall protection ring (242). It can apply a force away from the connecting ring (211) to the fall protection ring (242).

7. The high-frequency brazing equipment according to claim 6, characterized in that: It also includes a temperature sensor (4) adapted to detect the temperature of the solder and the workpiece to be soldered.

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