Welding head disassembling and assembling clamp and welding head disassembling and assembling device

Abstract

The utility model discloses a welding head disassembling and assembling clamp which comprises a base, an upper pressing block and a locking piece. One end of the base is provided with a clamping part, and the other end is provided with a placing part for placing a welding head assembly; the upper pressing block is movably arranged at the other end of the base and can turn over right opposite to the placing part, and a pressing part is arranged at the bottom to be matched with the placing part to clamp a connecting flange of the welding head assembly; the locking piece is arranged at the other end of the base and used for locking the upper pressing block to the base. According to the technical scheme, the placing portion is arranged at the other end of the base to place the welding head assembly, the upper pressing block is movably arranged at the other end of the base, the pressing portion at the bottom can be turned to be aligned to the placing portion, the pressing portion and the placing portion are matched to press a connecting flange of the welding head assembly, and finally the upper pressing block and the base are firmly locked through the locking piece. And the welding head assembly is effectively fixed. Therefore, the disassembly and assembly accuracy of the welding head assembly is improved, and the stability of the disassembly and assembly process is ensured. In addition, the utility model further discloses a welding head dismounting device.

Description

Technical Field

[0001] The utility model relates to the technical field of welding head disassembly and assembly, and particularly relates to a welding head disassembly and assembly fixture and a welding head disassembly and assembly device. Background Art

[0002] A welding head refers to an electrode or nozzle used in welding methods such as arc welding and gas shielded welding. It is an important component connecting the welding power source and the welding material, directly affecting the welding quality and efficiency. The disassembly and assembly of the welding head triple unit are common operations in the welding process, such as replacing a damaged welding head, adjusting the position and angle of the welding head, and cleaning the residue of the welding head.

[0003] The welding head triple unit is an integrated structure composed of a transducer, an amplitude modulator, and a welding head. The disassembly and assembly operation of the triple unit usually involves directly placing the welding head triple unit on the ground, stepping on the welding head with the foot, and then using a movable wrench to clamp the welding head and the components to achieve disassembly and assembly.

[0004] This method does not meet the operation requirements. During the disassembly and assembly process, the welding head cannot be effectively fixed, easily causing deformation or damage to the welding head. Summary of the Utility Model

[0005] The main purpose of the utility model is to propose a welding head disassembly and assembly fixture, aiming to solve the problem of deformation or damage during the disassembly and assembly of the welding head triple unit.

[0006] To achieve the above purpose, the utility model proposes a welding head disassembly and assembly fixture, which includes:

[0007] A base, one end of the base is constructed with a clamping part for connecting to a workbench, and the other end is constructed with a placement part for placing the welding head assembly;

[0008] An upper pressing block, movably arranged at the other end of the base, the upper pressing block can be flipped to face the placement part, and a pressing part is constructed at the bottom of the upper pressing block, and the pressing part cooperates with the placement part to clamp the connecting flange of the welding head assembly;

[0009] A locking member, arranged at the other end of the base and spaced from the placement part, and the locking member is used to lock the upper pressing block to the base.

[0010] In some embodiments, the welding head disassembly and assembly fixture further includes a limiting member, the limiting member is arranged on the base, the limiting member is constructed with a limiting part, the limiting part abuts against the connecting flange, and the limiting member is used to lock the connecting flange.

[0011] In some embodiments, a plurality of convex blocks are protruded on the connecting flange, and the plurality of convex blocks are exposed on the placement part and are arranged at intervals along the circumferential direction of the connecting flange;

[0012] The limiting part is a notch, and the convex block is restrictedly connected to the notch.

[0013] In some embodiments, one end of the base is further configured with a hinge part, the hinge part is arranged at an interval from the placing part, the bottom of the upper pressing block is further configured with a flange, the flange is arranged at an interval from the pressing part, and the flange is hinged to the hinge part.

[0014] In some embodiments, a locking cooperation part for cooperating with the locking part is configured on one side of the upper pressing block away from the flange, and the locking part cooperates with the locking cooperation part to lock the flipping of the upper pressing block relative to the base.

[0015] In some embodiments, the locking cooperation part includes a strip-shaped groove formed on the side wall of the upper pressing block and an avoidance notch, and the strip-shaped groove penetrates through the bottom wall of the avoidance notch.

[0016] In some embodiments, the clamping part includes a bearing plate, a bottom plate and a connecting plate, the bearing plate is configured at the other end of the base, the bottom plate is arranged on the side of the bearing plate facing away from the base, the bottom plate is parallel and spaced from the bearing plate, and the connecting plate is configured between the bearing plate and the bottom plate.

[0017] In some embodiments, the clamping part further includes a clamping block, the clamping block is movably arranged on the side of the bottom plate facing the bearing plate and is arranged at an interval from the connecting plate.

[0018] In some embodiments, the limiting part is arranged on one side surface of the upper pressing block.

[0019] The present utility model further provides a welding head disassembly and assembly device, which includes a workbench and the aforementioned welding head disassembly and assembly fixture, and the welding head disassembly and assembly fixture is detachably connected to the workbench.

[0020] In the technical solution of the present utility model, by configuring a placing part at the other end of the base for placing the welding head assembly, then movably arranging an upper pressing block at the other end of the base, and the upper pressing block can align the pressing part at the bottom with the placing part by flipping, and the two cooperate to press the connecting flange of the welding head assembly. Finally, the locking part ensures the firm locking of the upper pressing block and the base, avoiding the displacement of the welding head assembly during the disassembly and assembly process, and realizing the effective fixation of the welding head assembly. In this way, not only the disassembly and assembly accuracy of the welding head assembly is improved, but also the stability of the disassembly and assembly process is ensured, effectively avoiding the deformation or damage of the welding head assembly during the disassembly and assembly process. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic structural diagram of the welding head disassembly and assembly fixture in an embodiment of the present utility model;

[0022] Figure 2Schematic structural diagram of a welding head disassembly and assembly fixture in an embodiment of the present utility model;

[0023] Figure 3 Exploded schematic structural diagram of a welding head disassembly and assembly fixture in an embodiment of the present utility model;

[0024] Figure 4 Schematic structural diagram of a welding head disassembly and assembly fixture in another embodiment of the present utility model;

[0025] Figure 5 Assembly schematic diagram of a welding head disassembly and assembly fixture and a welding head disassembly and assembly device in yet another embodiment of the present utility model.

[0026] Explanation of the reference numerals in the drawings:

[0027] 100, upper pressing block; 102, locking and mating part; 102a, strip-shaped groove; 102b, avoidance notch; 103, pressing part; 104, flange; 200, base; 202, locking member; 204, placing part; 206, hinged part; 300, limiting member; 400, clamping part; 401, bearing plate; 402, connecting plate; 403, bottom plate; 404, clamping block; 500, workbench.

[0028] The realization, functional features and advantages of the purpose of the present utility model will be further described with reference to the embodiments and the accompanying drawings. Detailed implementation manners

[0029] Next, the solutions in the embodiments of the present utility model will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

[0030] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present utility model are only used to explain the relative positional relationship and movement conditions between components in a specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indications will also change accordingly.

[0031] It should also be noted that when an element is referred to as "fixed to" or "disposed on" another element, it can be directly on the other element or there may be an intermediate element at the same time. When an element is referred to as "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time.

[0032] In addition, the descriptions involving "first", "second", etc. in the present utility model are only for descriptive purposes and should not be construed as indicating or implying their relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions between various embodiments may be combined with each other, but it must be based on the fact that those of ordinary skill in the art can implement them. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0033] The present utility model provides a fixture for disassembling and assembling a welding head. Referring to Figures 1 to 3 , Figure 1 is a schematic structural diagram of the fixture for disassembling and assembling a welding head in an embodiment of the present utility model, Figure 2 is a schematic structural diagram of the fixture for disassembling and assembling a welding head in an embodiment of the present utility model, Figure 3 is an exploded schematic structural diagram of the fixture for disassembling and assembling a welding head in an embodiment of the present utility model.

[0034] The fixture for disassembling and assembling a welding head provided by the present utility model includes:

[0035] A base 200, one end of the base 200 is configured with a clamping portion 400 for connecting to a workbench 500, and the other end is configured with a placement portion 204 for placing the welding head assembly;

[0036] An upper pressing block 100, movably disposed at the other end of the base 200, the upper pressing block 100 can be flipped to face the placement portion 204, and a pressing portion 103 is configured at the bottom of the upper pressing block 100. The pressing portion 103 cooperates with the placement portion 204 to clamp the connecting flange of the welding head assembly;

[0037] A locking member 202, disposed at the other end of the base 200 and spaced from the placement portion 204, and the locking member is used to lock the upper pressing block to the base 200.

[0038] The welding head assembly in this embodiment refers to the "welding head triple unit" (also called the ultrasonic welding head). The triple unit includes a transducer, a welding head, and an amplitude modulator. Their respective functions are as follows: the transducer converts electrical energy into mechanical vibrations, which are the key factors in the ultrasonic welding process. The welding head directly contacts the material to be welded and transfers the vibration energy to the material, thereby generating heat to melt the material and achieve welding. The amplitude modulator adjusts the amplitude of the vibration, and it can enhance or weaken the vibration energy transmitted to the welding head.

[0039] The installation order of these three components is roughly as follows: the transducer, then the welding head is connected to the transducer through a connecting flange, and finally the amplitude modulator is installed at one end of the welding head away from the transducer and is also connected through a connecting flange. These three components work together to ensure the efficiency and quality of the ultrasonic welding process. The transducer generates vibrations, the amplitude modulator adjusts the intensity of the vibrations, and the welding head transfers the vibration energy to the workpiece to complete the welding process. Since a connecting flange is used for a firm connection between the three parts and there are several bumps on the connecting flange, during the disassembly and assembly of the triple unit, the connecting flange can be used to hold and position it, so as to facilitate the rotation of the component to be replaced and realize the disassembly and assembly between the three parts.

[0040] The locking part 202, as a fitting for locking the upper pressing block 100 and the base 200, can be composed of a screw and a nut. As Figure 3 shown, one end of the screw is hinged to the top of the base 200, and a nut is provided at the other end of the screw. The upper pressing block 100 and the base 200 can be locked or loosened by rotating the nut; for the convenience of the operator, a force - adding torsion bar can be provided on the nut, which mainly plays a role in saving effort. Through the lever principle, the force - adding bar can increase the acting distance of the force, so that a larger torque can be generated under the action of the same force, making it easier to turn the nut.

[0041] In this embodiment, the base 200 and the upper pressing block 100, as components for clamping the connecting flange of the welding head, are connected together in a movable connection manner. When the operator docks the upper pressing block 100 and the base 200, a clamping force can be applied to the connecting flange of the welding head; in addition, to cope with connecting flanges of different shapes, the shape of the part for clamping the connecting flange after the base 200 and the upper pressing block 100 are spliced can be square, circular, etc. That is to say, the shapes of the pressing part 103 and the placing part 204 can be adjusted and changed accordingly with the shape of the connecting flange to adapt to the outer shape of the connecting flange.

[0042] During the use of the welding head disassembly and assembly fixture in this embodiment, first, the operator can place the connecting flange between the amplitude - modulating rod and the welding head on the placing part 204, then operate to dock the upper pressing block 100 and the base 200, and then operate the locking part 202 to make them dock and buckle relatively firmly; at this time, the pressing part 103 of the upper pressing block 100 applies a clamping force to the connecting flange, firmly clamping the connecting flange of the welding head assembly. Subsequently, tools such as a wrench can be used to turn the transducer and the amplitude - modulating rod; during the turning process, due to the cooperation between the pressing part 103 and the placing part 204, continuously clamping the connecting flange can limit the rotation of the connecting flange relative to the base 200 and the upper pressing block 100, so as to facilitate the operator to turn the welding head and the transducer to separate them from the connecting flange and realize non - destructive disassembly and assembly.

[0043] In the technical solution of this embodiment, a placement portion 204 is constructed at the other end of the base 200 for placing the welding head assembly. Then, an upper pressing block 100 is movably arranged at the other end of the base 200, and the pressing portion 103 at the bottom of the upper pressing block 100 can be aligned with the placement portion 204 by flipping. The two cooperate to press the connection flange of the welding head assembly. Finally, a locking member 202 is used to ensure that the upper pressing block 100 and the base 200 are firmly locked, avoiding displacement of the welding head assembly during disassembly and assembly, and realizing effective fixation of the welding head assembly. In this way, not only the disassembly and assembly accuracy of the welding head assembly is improved, but also the stability of the disassembly and assembly process is ensured, effectively avoiding deformation or damage of the welding head assembly during disassembly and assembly.

[0044] In one embodiment, elastic pads such as rubber and silica gel can be provided in the pressing portion 103 and the placement portion 204. In this way, the friction between the pressing portion 103, the placement portion 204 and the outer surface of the connection flange can be increased. At the same time, since the pads are made of elastic materials, they can buffer external forces to avoid deformation of the welding head assembly and achieve damage-free disassembly and assembly.

[0045] Continue to refer to Figure 1 and Figure 3 In this embodiment, the welding head disassembly and assembly fixture further includes a limiting member 300. The limiting member 300 is arranged on the base 200. The limiting member is configured with a limiting portion, and the limiting portion abuts against the connection flange. The limiting member 300 is used to lock the connection flange.

[0046] In this embodiment, the limiting member 300 is mainly used to limit and lock the connection flange of the welding head. Specifically, during the process of the operator rotating the welding head assembly, the connection flange may rotate relative to the base 200 and the upper pressing block 100 (if the connection flange of the welding head rotates, it will cause the ineffective separation between the three parts of the welding head). Therefore, the limiting portion of the limiting member 300 abuts against the connection flange to limit the rotation of the connection flange. The specific position where the limiting member 300 is arranged can be on one side surface at the other end of the base 200. Of course, in other embodiments, it can also be arranged on both sides of the base 200 and on the side surface of the upper pressing block 100, which is not particularly limited here; it can be understood that no matter which side it is arranged on, its main purpose is to limit and lock the connection flange.

[0047] In some embodiments, the limiting portion of the limiting member 300 can directly extend into the pressing portion 103 or the placement portion 204. For example, the limiting portion of the limiting member 300 is strip-shaped, and a card slot is constructed on the side wall of the connection flange in contact with the pressing portion 103 or the placement portion 204; the strip-shaped limiting portion can extend into the card slot to achieve the functions of locking and limiting.

[0048] In some embodiments, the connecting flange is provided with a plurality of bumps, and the plurality of bumps are exposed on the placing portion 204 and are arranged at intervals along the circumferential direction of the connecting flange;

[0049] The limiting portion is a notch, and the bump is received and restricted to be connected to the notch.

[0050] On the basis of the foregoing embodiments, taking the limiting member 300 being installed on one side surface of the other end of the base 200 as an example, after the connecting flange is placed in the placing portion 204, a plurality of bumps on the side surface of the connecting flange will be exposed outside the placing portion 204. At this time, since the limiting portion is a notch, at least part of the plurality of bumps will fall into the notch, and the bumps are restricted to be connected to the notch. Since the limiting member 300 is fixedly connected to the base 200 relatively, during the rotation process, the notch clamps the bumps on the connecting flange, so that the connecting flange will not rotate relative to the base 200 and the upper pressing block 100, thereby facilitating the staff to accurately separate the transducer, the welding head and the amplitude modulator.

[0051] There are various ways to movably connect the upper pressing block 100 and the base 200. In this embodiment, the hinged connection method with simple structure and good reliability is selected. Continuing to refer to Figure 3 In this embodiment, a hinged portion 206 is further constructed on the top of the base 200. The hinged portion 206 is arranged at an interval from the placing portion 204. A flange 104 is further constructed on the bottom of the upper pressing block 100. The flange 104 is arranged at an interval from the pressing portion 103. The flange 104 is hinged to the hinged portion 206.

[0052] In this embodiment, only the example of providing the hinged portion 206 on the top of the base 200 and the flange 104 hinged and cooperating with the hinged portion 206 on the bottom of the upper pressing block 100 is taken. Of course, in other embodiments, the arrangement positions of the hinged portion 206 and the flange 104 can be interchanged.

[0053] As for how the upper pressing block 100 and the base 200 are specifically hinged, it can be seen from Figure 3 For example, the hinged portion 206 is in a groove shape and is symmetrically penetrated with through holes on both sides. The flange 104 is also correspondingly penetrated with through holes; when the two are assembled, the flange 104 is inserted into the groove of the hinged portion 206, and the positions of the two are adjusted so that the through holes are aligned. Finally, the rotating shaft is inserted into the through holes to string the flange 104 in the hinged portion 206.

[0054] In this embodiment, by providing the hinged portion 206 on the base 200, a rotation point is provided for the upper pressing block 100, so that the upper pressing block 100 can rotate around this point and can adapt to welding heads of different shapes and sizes. By further providing a flange 104 at the bottom of the upper pressing block 100 and combining it with the hinged portion 206, it is ensured that the upper pressing block 100 can maintain the correct position and angle when pressing the connecting flange.

[0055] In this embodiment, a locking member 202 is provided at a position on the top of the base 200 away from the hinge portion 206, and the locking engagement portion 102 is configured on the side of the upper pressing block 100 away from the flange 104 for cooperating with the locking member 202. When the locking member 202 cooperates with the locking engagement portion 102, the upper pressing block 100 and the base 200 can be relatively fixed, so that the upper pressing block 100 will not move randomly during operation, ensuring the stability of the welding head assembly during disassembly and assembly. In addition, by adjusting the locking member 202, the fixture can adapt to welding heads of different sizes and shapes, improving the versatility.

[0056] Continue to refer to Figure 3 , in this embodiment, the locking engagement portion 102 includes a strip-shaped groove 102a formed on the side wall of the upper pressing block 100 and an avoidance notch 102b, and the strip-shaped groove 102a penetrates the bottom wall of the avoidance notch 102b. In this embodiment, the locking engagement portion 102 is mainly used to cooperate with the locking member 202 to relatively lock the upper pressing block 100 and the base 200. The specific structure of the locking engagement can be to construct an avoidance notch 102b on the side wall of the upper pressing block 100, which is used to avoid the nut of the locking member 202, and then construct a strip-shaped groove 102a on the bottom wall of the avoidance notch 102b, and the extending direction of the strip-shaped groove 102a is adapted to the outer shape of the screw of the locking member 202.

[0057] During use, the operator can operate the upper pressing block 100 to be buckled with the base 200, so that the side of the upper pressing block 100 with the locking engagement portion 102 faces the side of the base 200 provided with the locking member 202. Then, the locking member 202 is placed into the strip-shaped groove 102a, and the nut of the locking member 202 is screwed until the nut of the locking member 202 abuts against the bottom wall of the avoidance notch 102b. At this point, the upper pressing block 100 and the base 200 are relatively fixed, which is very fast and convenient, improving the efficiency and safety of the welding operation.

[0058] During the process of disassembling and assembling the welding head assembly, since a series of operations need to be performed on the welding head assembly, some forces will inevitably be applied. If the welding head disassembly and assembly fixture moves as a whole at this time, it may cause the welding head assembly to deform, and the disassembly and assembly stability is not ideal enough. Therefore, the welding head disassembly and assembly fixture can be firmly installed on the workbench 500, as Figure 4 and Figure 5 shown. In this embodiment, the welding head disassembly and assembly fixture further includes a clamping portion 400. The clamping portion 400 includes a bearing plate 401, a bottom plate 403 and a connecting plate 402. The bearing plate 401 is constructed at the other end of the base 200. The bottom plate 403 is arranged on the side of the bearing plate 401 facing away from the base 200. The bottom plate 403 is parallel to and spaced from the bearing plate 401. The connecting plate 402 is constructed between the bearing plate 401 and the bottom plate 403.

[0059] In this embodiment, the bearing plate 401 is mainly used to contact the tabletop of the workbench 500, and can stably place the base 200 on the workbench 500. The bottom plate 403 is arranged on the side of the bearing plate 401 facing away from the base 200, and the bottom plate 403 is parallel to and spaced from the bearing plate 401 (the spaced space is used to accommodate the edge of the workbench 500). Then, the bearing plate 401 and the bottom plate 403 are connected by constructing a connecting plate 402 therebetween. As can be seen from Figure 4 it, the overall shape presents a "C" shape.

[0060] Continue to refer to Figure 4 , in this embodiment, a clamping block 404 can be added between the bearing plate 401 and the bottom plate 403, so that the clamping part 400 can adapt to workbench 500 panels of different thicknesses. In this embodiment, the clamping part 400 further includes a clamping block 404. The clamping block 404 is movably arranged on the side of the bottom plate 403 facing the bearing plate 401 and is spaced from the connecting plate 402.

[0061] In this embodiment, the clamping block 404 is mainly arranged between the bearing plate 401 and the bottom plate 403. As can be seen from Figure 4 it, the clamping block 404 is arranged in a movable manner. The principle is that a threaded hole is arranged on the bottom plate 403, and then a screw rod is screwed into the threaded hole. As the screw rod is continuously rotated, one end of the screw rod extending out of the threaded hole is movably connected to one side of the clamping block 404; during use, the screw rod is continuously rotated to drive the clamping block 404 to move towards the bearing plate 401 to compress the space between the bearing plate 401 and the bottom plate 403. Continuing to rotate the screw rod makes the space between the clamping block 404 and the bottom plate 401 gradually shrink, so as to apply a clamping force to the edge of the panel of the workbench 500, thereby realizing stable installation.

[0062] In some embodiments, a limiting member 300 is further arranged on one side surface of the upper pressing block 100. In this embodiment, the installation method of the limiting member 300 is not limited to being installed on the base 200. It can be installed on one side surface of the upper pressing block 100, or limiting members 300 can be installed on one side surfaces of both the upper pressing block 100 and the base 200. By arranging a plurality of limiting members 300, the welding head assembly can be better limited.

[0063] A welding head disassembly and assembly device further proposed by the present utility model includes a workbench 500 and a welding head disassembly and assembly fixture. The specific structure of the welding head disassembly and assembly fixture refers to the above-mentioned embodiment. Since this welding head disassembly and assembly device adopts all the technical solutions of all the above-mentioned embodiments, it at least has all the technical effects brought by the technical solutions of the above-mentioned embodiments, which will not be elaborated one by one here. Among them, by stably installing the welding head disassembly and assembly fixture on the workbench 500, the effective fixation of the welding head is realized, providing stable conditions for the disassembly and assembly of the welding head, and the deformation or damage of the welding head during the disassembly and assembly process can be avoided. At the same time, the presence of the workbench 500 can be used to place the components for welding head disassembly / awaiting replacement, avoiding the scattered placement of the components.

[0064] The above are only partial or preferred embodiments of the present utility model. Whether in terms of text or drawings, the scope of protection of the present utility model cannot be limited thereby. Any equivalent structural transformation made by using the content of the specification and drawings of the present utility model under the overall concept of the present utility model, or any direct / indirect application in other related technical fields is included in the scope of protection of the present utility model.

Claims

1. A fixture for disassembling and assembling a welding head, characterized in that, Comprising: A base, one end of the base is constructed with a clamping portion for connecting to a workbench, and the other end is constructed with a placement portion for placing a welding head assembly; An upper pressing block, movably arranged at the other end of the base, the upper pressing block can be turned to face the placement portion, a pressing portion is constructed at the bottom of the upper pressing block, and the pressing portion cooperates with the placement portion to clamp the connecting flange of the welding head assembly; A locking member, arranged at the other end of the base and spaced from the placement portion, the locking member is used to lock the upper pressing block to the base.

2. The welding head disassembly and assembly fixture according to claim 1, wherein It further includes a limiting member, the limiting member is arranged on the base, the limiting member is constructed with a limiting portion, the limiting portion abuts against the connecting flange, and the limiting member is used to lock the connecting flange.

3. The soldering head disassembly and assembly fixture according to claim 2, wherein The connecting flange protrudes with a plurality of protrusions, the plurality of protrusions are exposed on the placement portion and are arranged at intervals along the circumferential direction of the connecting flange; The limiting portion is a notch, and the protrusion is limitedly connected to the notch.

4. The welding head disassembly and assembly fixture according to claim 3, wherein, One end of the base is further constructed with a hinge portion, the hinge portion is spaced from the placement portion, a flange is further constructed at the bottom of the upper pressing block, the flange is spaced from the pressing portion, and the flange is hinged to the hinge portion.

5. The welding head disassembly and assembly fixture according to claim 4, characterized in that, One side surface of the upper pressing block away from the flange is constructed with a locking cooperation portion for cooperating with the locking member, and the locking member cooperates with the locking cooperation portion to lock the turning of the upper pressing block relative to the base.

6. The welding head disassembly and assembly fixture according to claim 5, wherein The locking cooperation portion includes a strip-shaped groove constructed on the side wall of the upper pressing block and an avoidance notch, and the strip-shaped groove penetrates through the bottom wall of the avoidance notch.

7. The welding head disassembly and assembly fixture according to claim 1, characterized in that, The clamping portion includes a bearing plate, a bottom plate and a connecting plate, the bearing plate is constructed at the other end of the base, the bottom plate is located on the side of the bearing plate facing away from the base, the bottom plate is parallel and spaced from the bearing plate, and the connecting plate is constructed between the bearing plate and the bottom plate.

8. The welding head disassembly and assembly fixture according to claim 7, characterized in that, The clamping portion further includes a clamping block, the clamping block is movably arranged on the surface of the bottom plate facing the bearing plate and is spaced from the connecting plate.

9. The welding head disassembly and assembly fixture according to claim 2, characterized in that, The limiting member is arranged on one side surface of the upper pressing block.

10. A welding head disassembly and assembly device, characterized in that, Comprising a workbench and the welding head disassembly and assembly fixture according to any one of claims 1-9, and the welding head disassembly and assembly fixture is detachably connected to the workbench.

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