Welding device

Abstract

The utility model provides a welding device which comprises a mounting seat, a lower clamping assembly, an upper clamping assembly, a detection assembly and a welding part, and the mounting seat comprises a transverse plate and a vertical plate which are perpendicularly connected with each other; the lower clamping assembly is installed on the transverse plate and used for placing a workpiece to be welded. The upper clamping assembly comprises an upper clamping part and a driving part, an extending shaft of the driving part is connected with the upper clamping part, and the extending shaft of the driving part can extend out or retract to drive the upper clamping part to be far away from or close to the workpiece to be welded; the detection assembly is used for detecting whether a to-be-welded workpiece is placed on the lower clamping assembly or not, and the detection assembly is in signal connection with the driving component; the welding part is used for welding a to-be-welded workpiece. Through the structural arrangement, the to-be-welded workpiece can be automatically clamped, manual operation is not needed, the labor intensity of operators is greatly reduced, the operation efficiency is improved, and meanwhile potential safety hazards of the operators during operation can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of welding devices, in particular to a welding device. Background Art

[0002] The VC heat sink is an ultra-thin heat sink, comprising two upper and lower metal substrates which are parallel to each other and have rough surfaces facing each other, a set of flow channel structures connecting the upper and lower metal substrates, a polymer substructure arranged on the upper and / or lower metal substrates, a closed space surrounded by the flow channel structure and the upper and lower metal substrates, and a phase change fluid filled in the closed space.

[0003] Traditional VC heat sinks are spot welded during welding, but in this process, the upper and lower metal substrates need to be pressed together for welding. Currently, the upper and lower metal substrates are basically pressed together manually by clamping, but this method will greatly increase the labor intensity of the operators, resulting in low operating efficiency.

[0004] Therefore, it is necessary to provide a welding device to solve the above technical problems. Utility Model Content

[0005] The main purpose of the utility model is to provide a welding device, aiming to solve the technical problems of high labor intensity and low efficiency of operators in the prior art.

[0006] The utility model provides a welding device, comprising:

[0007] A mounting base, the mounting base comprising a horizontal plate and a vertical plate vertically connected to each other;

[0008] A lower clamping assembly, the lower clamping assembly is mounted on the transverse plate, and the lower clamping assembly is used to place a workpiece to be welded;

[0009] An upper clamping assembly, the upper clamping assembly comprising an upper clamping component and a driving component, the extension shaft of the driving component being connected to the upper clamping component, the extension shaft of the driving component being able to extend or retract to drive the upper clamping component away from or close to the workpiece to be welded;

[0010] A detection component, the detection component is used to detect whether the workpiece to be welded is placed on the lower clamping component, and the detection component is connected to the driving component by signal;

[0011] A welding component is used to weld the workpieces to be welded.

[0012] In one embodiment, a slide rail is provided on the vertical plate, and the slide rail is provided along the length direction of the vertical plate. The upper clamping assembly further includes a slider, and the slider is mounted on the upper clamping component, and the slider is slidably mounted on the slide rail.

[0013] In one embodiment, there are multiple slide rails, there are multiple sliders, the multiple sliders are arranged at intervals, the multiple slide rails are arranged at intervals, and the number of the multiple sliders and the multiple slide rails are equal and arranged in one-to-one correspondence.

[0014] In one embodiment, the upper clamping component includes a base, an upper profiling jig and a positioning and lifting sub-component, the upper profiling jig is formed with a mounting hole, the cylinder body of the positioning and lifting sub-component is installed on the base, and the extension shaft of the positioning and lifting sub-component can be extended or retracted to extend into the mounting hole or detach from the mounting hole.

[0015] In one embodiment, the welding device also includes a rotating motor, a first transmission gear is arranged inside the horizontal plate, a second transmission gear is arranged on the output shaft of the rotating motor, the first transmission gear is connected to the lower clamping assembly, and the first transmission gear is meshed with the second transmission gear.

[0016] In one embodiment, the upper clamping component includes a rotary motor, the base is formed with an extension hole, and the extension shaft of the rotary motor passes through the extension hole to be connected to the upper profiling jig.

[0017] In one embodiment, the welding device includes a lifting motor, the lower clamping assembly includes a lower profiling jig and a first connecting block and a second connecting block connected to each other, the second connecting block is formed with a groove, the lifting motor is installed at the bottom of the cross plate, the first connecting block is provided with a through hole, the through hole and the groove are connected to each other, the first connecting block is installed on the cross plate, the protruding shaft of the lifting motor passes through the first transmission gear and the through hole in sequence, and protrudes out of the through hole to abut against the inner wall of the groove, the end of the second connecting block away from the first connecting block is connected to the lower profiling jig, and the lower profiling jig is used to place the workpiece to be welded.

[0018] In one embodiment, the lower clamping assembly also includes a shell and a locking piece, the shell is formed with an open groove, the shell is installed on the second connecting block, and the lower contour fixture extends out of the open groove, the shell is formed with a fixing hole, and the locking piece passes through the fixing hole to be connected to the protruding shaft of the lifting motor.

[0019] In one embodiment, the detection assembly includes a fixing member, a connecting member and a detector, the upper clamping assembly is formed with a first connecting hole, the detector is installed on the connecting member, the detection head of the detector is used to be set toward the workpiece to be welded, the connecting member is formed with a second connecting hole, and the fixing member is installed in the first connecting hole through the second connecting hole.

[0020] In one embodiment, the second connecting hole is an elongated hole.

[0021] In the above scheme, the welding device includes a mounting base, a lower clamping assembly, an upper clamping assembly, a detection assembly and a welding component, the mounting base includes a horizontal plate and a vertical plate vertically connected to each other; the lower clamping assembly is installed on the horizontal plate, and the lower clamping assembly is used to place the workpiece to be welded; the upper clamping assembly includes an upper clamping component and a driving component, the extension shaft of the driving component is connected to the upper clamping component, and the extension shaft of the driving component can be extended or retracted to drive the upper clamping component away from or close to the workpiece to be welded; the detection assembly is used to detect whether the workpiece to be welded is placed on the lower clamping assembly, and the detection assembly is connected to the driving component signal; the welding component is used to weld the workpiece to be welded. Specifically, the operator places the workpiece to be welded on the lower clamping assembly. During the specific operation, the workpiece to be welded is a VC heat sink. After the detection assembly detects that the workpiece to be welded is placed on the lower clamping assembly, the detection assembly will transmit a signal to the driving component to start the driving component, and the extension shaft of the driving component will extend to move the upper clamping component toward the workpiece to be welded. Finally, the upper clamping component will abut against the top of the workpiece to be welded, so that the upper clamping component and the lower clamping assembly will clamp the workpiece to be welded; then the welding component is started, and the welding component welds the workpiece to be welded. When the welding is completed, the extension shaft of the driving component is retracted, which drives the upper clamping component to rise away from the workpiece to be welded, so that the operator can remove the workpiece after welding, and then place the workpiece to be welded again, and continue the above steps; through such a structural setting, the workpiece to be welded can be automatically clamped without manual operation, which greatly reduces the labor intensity of the operator, improves the operation efficiency, and can also reduce the safety hazards of the operator during operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0023] Figure 1 This is a schematic diagram of the overall structure of a welding device according to one embodiment of the utility model from one perspective;

[0024] Figure 2 This is a schematic diagram of the overall structure of a welding device according to an embodiment of the utility model from another perspective;

[0025] Figure 3 This is a schematic diagram of the overall structure of the lower clamping assembly from one perspective of an embodiment of the utility model;

[0026] Figure 4 This is a schematic diagram of the overall structure of the lower clamping assembly of one embodiment of the utility model from another perspective;

[0027] Figure 5 This is a schematic diagram of the overall structure of an upper clamping assembly from one perspective of an embodiment of the utility model;

[0028] Figure 6 This is a schematic diagram of the overall structure of the upper clamping assembly of one embodiment of the utility model from another perspective;

[0029] Figure 7 This is a schematic diagram of the overall structure of the upper profiling component of another embodiment of the utility model.

[0030] Description of Figure Numbers:

[0031] Label name Label name 1 Mounting Block 11 Horizontal board 12 Vertical Board 121 Slide rails 2 Lower clamping assembly 21 Lower profiling fixture 22 First connection block 23 Second connection block 231 Grooves 24 case 241 Open slot 242 Fixing holes 243 Boss 25 Locking parts 3 Upper clamping assembly 31 Upper clamping part 311 Base 311a Extension hole 312 Upper profiling fixture 312a Mounting holes 313 Positioning and lifting subassemblies 314 Rotating electric machines 32 Drive components 33 slider 34 First connecting hole 4 Detection components 41 Connectors 411 Second connection hole 42 Detector 5 Welding parts 6 Rotating motor 7 Lifting motor 101 Workpiece to be welded 100 Welding equipment

[0032] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with the implementation methods and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0035] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0036] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "clamping" and the like should be understood in a broad sense. For example, "clamping" can be a clamping connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0037] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0038] See also Figures 1 to 6 The utility model provides a welding device 100, comprising:

[0039] A mounting base 1, the mounting base 1 comprising a horizontal plate 11 and a vertical plate 12 vertically connected to each other;

[0040] A lower clamping assembly 2, which is mounted on the horizontal plate 11 and is used to place a workpiece 101 to be welded;

[0041] The upper clamping assembly 3 includes an upper clamping component 31 and a driving component 32. The extension shaft of the driving component 32 is connected to the upper clamping component 31. The extension shaft of the driving component 32 can be extended or retracted to drive the upper clamping component 31 away from or close to the workpiece 101 to be welded;

[0042] A detection component 4, which is used to detect whether the workpiece 101 to be welded is placed on the lower clamping component 2, and the detection component 4 is connected to the driving component 32 by signal;

[0043] Welding component 5, welding component 5 is used to weld the workpiece 101 to be welded. Specifically, the operator places the workpiece 101 to be welded on the lower clamping component 2. In the specific operation, the workpiece 101 to be welded is a VC heat sink. After the detection component 4 detects that the workpiece 101 to be welded is placed on the lower clamping component 2, the detection component 4 will transmit a signal to the driving component 32 to start the driving component 32. The extension shaft of the driving component 32 extends to move the upper clamping component 31 toward the workpiece 101 to be welded. Finally, the upper clamping component 31 abuts against the top of the workpiece 101 to be welded, so that the upper clamping component 31 and the lower clamping component 2 clamp the workpiece 101 to be welded. Tighten; then start the welding component 5, and the welding component 5 will weld the workpiece 101 to be welded. When the welding is completed, the extending shaft of the driving component 32 is retracted, thereby driving the upper clamping component 31 to rise away from the workpiece 101 to be welded, so that the operator can remove the workpiece after welding, and then place the workpiece 101 to be welded again, and continue the above steps; through such a structural setting, the workpiece 101 to be welded can be automatically clamped without manual operation, which greatly reduces the labor intensity of the operators, improves the working efficiency, and also reduces the safety hazards of the operators during operation.

[0044] See also Figure 1 , Figure 5 and Figure 6 In one embodiment, a slide rail 121 is provided on the vertical plate 12, and the slide rail 121 is provided along the length direction of the vertical plate 12. The upper clamping assembly 3 also includes a slider 33, and the slider 33 is installed on the upper clamping component 31. The slider 33 is slidably installed on the slide rail 121. Specifically, when the detection component 4 detects that the workpiece 101 to be welded is placed on the lower clamping component 2, the detection component 4 will transmit a signal to the driving component 32 to start the driving component, and the extension shaft of the driving component 32 extends to make the slider 33 slide on the slide rail 121, so that the upper clamping component 31 moves toward the workpiece 101 to be welded, so that the upper clamping component 31 and the lower clamping component 2 cooperate with each other to clamp the workpiece 101 to be welded; by providing the slide rail 121, it can play a guiding role in the movement of the upper clamping component 31.

[0045] See also Figure 1 , Figure 5 and Figure 6 In one embodiment, there are multiple slide rails 121, multiple sliders 33, multiple sliders 33 are arranged at intervals, multiple slide rails 121 are arranged at intervals, and the number of multiple sliders 33 and multiple slide rails 121 are equal and arranged one by one. By providing multiple slide rails 121, it can further guide the movement of the upper clamping part 31 and also support the upper clamping part 31.

[0046] See also Figure 1 and Figure 2 as well as Figures 5 to 7 In one embodiment, the upper clamping component 31 includes a base 311, an upper profiling fixture 312 and a positioning and lifting sub-component 313, a mounting hole 312a is formed on the upper profiling fixture 312, a cylinder body of the positioning and lifting sub-component 313 is installed on the base 311, and an extension shaft of the positioning and lifting sub-component 313 can be extended or retracted to extend into the mounting hole 312a or detach from the mounting hole 312a. Specifically, when the detection component 4 detects that the workpiece 101 to be welded is placed on the lower clamping component 2, the detection component 4 will transmit a signal to the driving component 32 to start the driving component 32, and the extension shaft of the driving component 32 will extend to move the upper clamping component 31 toward the workpiece 101 to be welded, so that the upper clamping component 31 and the lower clamping component 2 cooperate with each other to clamp the workpiece 101 to be welded; then the extension shaft of the positioning lifting subcomponent 313 is retracted, and the extension shaft of the positioning lifting subcomponent 313 is disengaged from the mounting hole 312a, so that the upper profiling fixture 312 will fall directly on the workpiece 101 to be welded, In this way, the weight of the upper profiling jig 312 will be applied to the workpiece 101 to be welded, so that the workpiece 101 to be welded can be pressed tighter; after welding is completed, the extending shaft of the positioning lifting sub-component 313 is extended, and the extending shaft of the positioning lifting sub-component 313 is extended into the mounting hole 312a, so that the upper profiling jig 312 will be connected with the extending shaft of the positioning lifting sub-component 313, and the extending shaft of the driving component 32 is retracted, so that the upper clamping component 31 is moved away from the workpiece 101 to be welded, so that the welded workpiece can be taken away by the operator, and the workpiece 101 to be welded is put in again, and the above steps are repeated to continue welding.

[0047] In one embodiment, the welding device 100 also includes a rotating motor 6, a first transmission gear is arranged inside the horizontal plate 11, a second transmission gear is arranged on the output shaft of the rotating motor 6, the first transmission gear is connected to the lower clamping assembly 2, and the first transmission gear is meshed with the second transmission gear. Specifically, when the detection component 4 detects that the workpiece 101 to be welded is placed on the lower clamping component 2, the detection component 4 will transmit a signal to the driving component 32 to start the driving component, and the extending shaft of the driving component 32 will extend to make the upper clamping component 31 move toward the workpiece 101 to be welded, so that the upper clamping component 31 and the lower clamping component 2 cooperate with each other to clamp the workpiece 101 to be welded, and then the extending shaft of the positioning lifting sub-component 313 will retract, and the extending shaft of the positioning lifting sub-component 313 will be disengaged from the mounting hole 312a, so that the upper profiling fixture 312 will fall directly on the workpiece 101 to be welded, and then the rotating motor 6 will be started. The rotation of the output shaft of the rotating motor 6 will drive the second transmission gear to rotate. Since the second transmission gear is transmission-connected to the first transmission gear, the first transmission gear will also rotate and drive the lower clamping component 2 and the upper profiling fixture 312 to rotate together, so that some positions that are not easy to weld can be better welded during the welding process, thereby ensuring the welding effect.

[0048] See also Figure 1 and Figure 2 as well as Figures 5 to 7 In one embodiment, the upper clamping component 31 includes a rotating motor 314, a base 311 is formed with an extension hole 311a, a cylinder of the rotating motor 314 is mounted on the base 311, and an extension shaft of the rotating motor 314 passes through the extension hole 311a and is connected to the upper profiling jig 312. Specifically, when the detection component 4 detects that a workpiece 101 to be welded is placed on the lower clamping component 2, the detection component 4 will transmit a signal to the driving component 32 to start the driving component, and the extension shaft of the driving component 32 will extend to move the upper clamping component 31 toward the workpiece 101 to be welded, so that the upper clamping component 31 and the lower clamping component 2 cooperate with each other to clamp the workpiece 101 to be welded, and then the extension shaft of the positioning and lifting subcomponent 313 is retracted, and the extension shaft of the positioning and lifting subcomponent 313 is disengaged from the mounting hole 312a, so that the upper profiling jig 312 will directly fall on the workpiece 101 to be welded. On part 101, start the rotating motor 314 and the rotating motor 6. The rotation of the output shaft of the rotating motor 6 will drive the second transmission gear to rotate. Since the second transmission gear is transmission-connected to the first transmission gear, the first transmission gear will also rotate and drive the lower clamping assembly 2 to rotate together. The output shaft of the rotating motor 314 is connected to the upper profiling fixture 312, so the upper profiling fixture 312 will also rotate together. The upper profiling fixture 312 and the lower clamping assembly 2 are driven to rotate simultaneously by the rotating motor 314 and the rotating motor 6, so that the rotation rate can be increased.

[0049] See also Figures 1 to 4 In one embodiment, the welding device 100 includes a lifting motor 7, the lower clamping assembly 2 includes a lower profiling fixture 21 and a first connecting block 22 and a second connecting block 23 connected to each other, the second connecting block 23 is formed with a groove 231, the lifting motor 7 is installed at the bottom of the horizontal plate 11, the first connecting block 22 is provided with a through hole, the through hole and the groove 231 are connected to each other, the first connecting block 22 is installed on the horizontal plate 11, the protruding shaft of the lifting motor 7 passes through the first transmission gear and the through hole in sequence, and extends out of the through hole to abut against the inner wall of the groove 231, the end of the second connecting block 23 away from the first connecting block 22 is connected to the lower profiling fixture 21, and the lower profiling fixture 21 is used to place the workpiece 101 to be welded. Specifically, the lifting motor 7 is started, the extension shaft of the lifting motor 7 is extended, and the second connecting block 23 and the lower profiling jig 21 connected to the second connecting block 23 are pushed up to abut against the lower profiling jig 21, so that the workpiece 101 to be welded can be firmly pressed; through such a setting, the workpiece 101 to be welded can be further pressed, and at the same time, the moving range of the upper profiling jig 312 can be reduced, thereby reducing the height of the entire equipment.

[0050] See also Figures 1 to 4 In one embodiment, the lower clamping assembly 2 further includes a housing 24 and a locking member 25. The housing 24 is formed with an opening slot 241. The housing 24 is mounted on the second connecting block 23, and the lower profiling fixture 21 extends out of the opening slot 241. The housing 24 is formed with a fixing hole 242. The locking member 25 passes through the fixing hole 242 and is connected to the extended shaft of the lifting motor 7. When the lower profiling fixture 21 is raised, the housing 24 will also rise synchronously, so that the outer periphery of the entire lower profiling fixture 21 can be protected during welding.

[0051] See also Figure 1 and Figure 2 as well as Figures 5 and 6 Furthermore, a plurality of bosses 243 are provided on the outer shell, and the plurality of bosses 243 are evenly distributed along the outer circumference of the opening groove 241. The plurality of bosses 243 are used to abut against the workpiece 101 to be welded. By providing the plurality of bosses 243, a positioning function can be played for the placement of the workpiece 101 to be welded.

[0052] See also Figure 1 and Figure 2 as well as Figures 5 and 6 Furthermore, the plurality of bosses 243 are telescopically arranged, so that the bosses 243 are retracted during welding to prevent the bosses 243 from interfering with welding.

[0053] See also Figure 1 and Figure 2 as well as Figures 5 and 6In one embodiment, the detection assembly 4 includes a fixing member, a connecting member 41 and a detector 42. The upper clamping assembly 3 is formed with a first connecting hole 34. The detector 42 is installed on the connecting member 41. The detection head of the detector 42 is used to be set toward the workpiece 101 to be welded. The connecting member 41 is formed with a second connecting hole 411. The fixing member passes through the second connecting hole 411 and is installed in the first connecting hole 34. When installing the connecting member 41, it is only necessary to pass the fixing member through the second connecting hole 411 and then install the fixing member on the first connecting hole 34, so that the installation is completed; when disassembling, it is only necessary to pull the fixing member out of the first connecting hole 34, so that the disassembly is completed; by setting the fixing member, the disassembly and installation are simpler and more convenient.

[0054] See also Figure 5 and Figure 6 In one embodiment, the second connection hole 411 is a long hole. By providing the long hole, the position of the connection member 41 can be adjusted, thereby adjusting the position of the detector 42, and it can be more accurately determined whether the lower profiling fixture 21 is placed with the workpiece 101 to be welded.

[0055] The above are only optional embodiments of the present invention, and do not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the technical concept of the present invention, or directly / indirectly used in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A welding device, characterized in that: include: A mounting base, the mounting base comprising a horizontal plate and a vertical plate vertically connected to each other; A lower clamping assembly, the lower clamping assembly is mounted on the transverse plate, and the lower clamping assembly is used to place a workpiece to be welded; An upper clamping assembly, the upper clamping assembly comprising an upper clamping component and a driving component, the extension shaft of the driving component being connected to the upper clamping component, the extension shaft of the driving component being able to extend or retract to drive the upper clamping component away from or close to the workpiece to be welded; A detection component, the detection component is used to detect whether the workpiece to be welded is placed on the lower clamping component, and the detection component is connected to the driving component by signal; A welding component is used to weld the workpieces to be welded.

2. The welding device according to claim 1, characterized in that: The vertical plate is provided with a slide rail, and the slide rail is arranged along the length direction of the vertical plate. The upper clamping assembly also includes a slider, and the slider is installed on the upper clamping component, and the slider is slidably installed on the slide rail.

3. The welding device according to claim 2, characterized in that: There are multiple slide rails, there are multiple sliders, the sliders are arranged at intervals, the slide rails are arranged at intervals, and the numbers of the sliders and the slide rails are equal and arranged in one-to-one correspondence.

4. The welding device according to claim 1, characterized in that: The upper clamping component includes a base, an upper profiling fixture and a positioning and lifting sub-component, the upper profiling fixture is formed with a mounting hole, the cylinder body of the positioning and lifting sub-component is installed on the base, and the extension shaft of the positioning and lifting sub-component can be extended or retracted to extend into the mounting hole or detach from the mounting hole.

5. The welding device according to claim 4, characterized in that: The welding device also includes a rotating motor, a first transmission gear is arranged inside the transverse plate, a second transmission gear is arranged on the output shaft of the rotating motor, the first transmission gear is connected to the lower clamping assembly, and the first transmission gear is meshed with the second transmission gear.

6. The welding device according to claim 5, characterized in that: The upper clamping component comprises a rotary motor, the base is formed with a protruding hole, and the protruding shaft of the rotary motor passes through the protruding hole and is connected with the upper profiling jig.

7. The welding device according to claim 5, characterized in that: The welding device includes a lifting motor, the lower clamping assembly includes a lower profiling jig and a first connecting block and a second connecting block connected to each other, the second connecting block is formed with a groove, the lifting motor is installed at the bottom of the cross plate, the first connecting block is provided with a through hole, the through hole and the groove are connected to each other, the first connecting block is installed on the cross plate, the protruding shaft of the lifting motor passes through the first transmission gear and the through hole in sequence, and protrudes from the through hole to abut against the inner wall of the groove, the end of the second connecting block away from the first connecting block is connected to the lower profiling jig, and the lower profiling jig is used to place the workpiece to be welded.

8. The welding device according to claim 7, characterized in that: The lower clamping assembly also includes a shell and a locking piece, the shell is formed with an open groove, the shell is installed on the second connecting block, and the lower contour fixture extends out of the open groove, the shell is formed with a fixing hole, and the locking piece passes through the fixing hole to be connected to the protruding shaft of the lifting motor.

9. The welding device according to any one of claims 1 to 8, characterized in that: The detection assembly includes a fixing member, a connecting member and a detector. The upper clamping assembly is formed with a first connecting hole. The detector is installed on the connecting member. The detection head of the detector is used to be set toward the workpiece to be welded. The connecting member is formed with a second connecting hole. The fixing member is installed on the first connecting hole through the second connecting hole.

10. The welding device according to claim 9, characterized in that: The second connecting hole is an elongated hole.

Images