CN214868423U - Welding tool - Google Patents

Abstract

The application relates to the technical field of welding, discloses a welding frock, includes: a bracket including a plate; the clamping assembly is connected to the plate in a sliding mode through a sliding assembly; the clamping assembly is used for clamping different parts of the workpiece at different positions of the plate. Through setting up the sliding assembly, centre gripping subassembly sliding connection in the plate, centre gripping subassembly can slide on the plate like this to can be at the different positions of the different positions centre gripping work pieces of plate, and can the centre gripping work piece remove, promoted this welding frock's suitability and welding efficiency.

Description

Welding tool

Technical Field

The application relates to the technical field of welding, for example, relate to a welding frock.

Background

At present, certain difficulties exist in welding two workpieces of different sizes and irregular shapes, particularly pipe fittings such as drying filters of air conditioners. When in welding, a plurality of persons are needed to cooperate, a welding tool is needed, a workpiece needs to be continuously rotated to weld the pipe fitting, and the pipe fitting, particularly the bent pipe, is difficult to clamp, so that the welding is inconvenient.

The prior art discloses an end pipe welding clamping assembly, which comprises a bottom plate and a clamping mechanism, wherein the clamping mechanism is arranged on the bottom plate and can rotate along with the bottom plate.

In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art: the clamping assembly cannot move on the bottom plate, so that the workpiece cannot be clamped at different positions of the bottom plate and cannot be clamped to move.

SUMMERY OF THE UTILITY MODEL

The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.

The embodiment of the disclosure provides a welding tool, which solves the problem that a clamping assembly cannot move on a bottom plate and cannot clamp different parts of a workpiece at different positions.

In some embodiments, the tool for welding comprises:

a bracket including a plate;

the clamping assembly is connected to the plate in a sliding mode through a sliding assembly; the clamping assembly is used for clamping different parts of the workpiece at different positions of the plate.

Optionally, the sliding assembly includes:

the first sliding assembly comprises a sliding groove arranged on the plate; the sliding groove is formed by inwards recessing the surface of the plate and extending along one direction or a plurality of directions;

and the second sliding assembly comprises a sliding block which is arranged on the clamping assembly and can be matched and connected with the sliding groove.

Optionally, the cross-sectional shape of the sliding groove is U-shaped or trapezoidal.

Optionally, the clamping assembly is connected to the second sliding assembly through a rotating assembly, and the clamping assembly can rotate relative to the second sliding assembly through the rotating assembly.

Optionally, the rotating assembly includes a first rotating shaft, one end of the first rotating shaft is connected to the clamping assembly, and the other end of the first rotating shaft is connected to the sliding block.

Optionally, the clamping assembly comprises:

the at least two first clamping assemblies are respectively arranged at two ends of the plate and are configured to clamp the part of the workpiece, which is positioned at the end part of the plate; and/or the presence of a gas in the gas,

and the second clamping assembly is arranged between the first clamping assemblies at the two ends of the plate and is configured to clamp the part of the workpiece, which is positioned in the middle of the plate.

Optionally, the first clamping assembly comprises:

the supporting plate is connected to the first rotating shaft;

the clamp comprises two clamp arms which can be opened and closed and are arranged on the same side of the supporting plate; the head end of the clamp arm is used for clamping the workpiece;

and the elastic two ends of the pressure spring are respectively connected to the tail ends of the two clamp arms, and the head ends of the two clamp arms generate clamping force when the pressure spring is in a compressed state.

Optionally, the second clamping assembly comprises:

one end of the supporting rod is connected to the first rotating shaft, and the other end of the supporting rod is arranged in a suspended mode;

and the clamp is detachably connected with one suspended end of the supporting rod to clamp the workpiece.

Optionally, the support rod is a rod member capable of extending and retracting along the axial direction thereof.

Optionally, the plate member is rotatably connected to the bracket.

The welding frock that this disclosed embodiment provided can realize following technological effect:

through setting up the sliding assembly, centre gripping subassembly sliding connection in the plate, centre gripping subassembly can slide on the plate like this to can be in the different positions centre gripping of plate the different positions of work piece, and can the centre gripping work piece remove, promoted this welding frock's suitability and welding efficiency.

The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.

Drawings

One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the accompanying drawings and not in limitation thereof, in which elements having the same reference numeral designations are shown as like elements and not in limitation thereof, and wherein:

fig. 1 is a schematic diagram of a state in which a welding tool provided by an embodiment of the disclosure clamps a workpiece;

fig. 2 is a schematic diagram illustrating a state where a welding tool provided by the embodiment of the disclosure does not clamp a workpiece;

FIG. 3 is an enlarged view of a portion of a stop assembly provided by an embodiment of the present disclosure;

FIG. 4 is an enlarged partial view of a first clamping assembly provided by an embodiment of the present disclosure;

FIG. 5 is a cross-sectional view of a first clamping assembly provided by an embodiment of the present disclosure;

figure 6 is a cross-sectional view of a second clamping assembly provided by embodiments of the present disclosure.

Reference numerals:

11: a support; 12: fixing the disc; 21: a plate member; 22: a connecting plate; 23: an extension plate; 31: a support plate; 32: a clamp arm; 33: a pressure spring; 41: a support bar; 42: clamping a hoop; 51: a first rotating shaft; 511: fixing a nut; 52: a second rotating shaft; 53: a third rotating shaft; 54: a fourth rotating shaft; 61: a chute; 62: a slide block.

Detailed Description

So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.

The terms "first," "second," and the like in the description and in the claims, and the above-described drawings of embodiments of the present disclosure, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the present disclosure described herein may be made. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the disclosed embodiments and their examples and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation. Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the embodiments of the present disclosure can be understood by those of ordinary skill in the art as appropriate.

In addition, the terms "disposed," "connected," and "secured" are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. Specific meanings of the above terms in the embodiments of the present disclosure can be understood by those of ordinary skill in the art according to specific situations.

The term "plurality" means two or more unless otherwise specified.

In the embodiment of the present disclosure, the character "/" indicates that the preceding and following objects are in an or relationship. For example, A/B represents: a or B.

The term "and/or" is an associative relationship that describes objects, meaning that three relationships may exist. For example, a and/or B, represents: a or B, or A and B.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.

With reference to fig. 1-6, an embodiment of the present disclosure provides a welding tool, which includes a bracket 11 and a clamping assembly. A bracket 11 including a plate 21; the clamping assembly is connected to the plate 21 in a sliding mode through the sliding assembly; the clamping assembly is used to clamp different parts of the workpiece at different positions of the plate 21.

Adopt the welding frock that this disclosed embodiment provided, through setting up the slip subassembly, centre gripping subassembly sliding connection is in plate 21, and centre gripping subassembly can slide on plate 21 like this to can be at the different positions of plate 21 centre gripping work piece different positions, and can the centre gripping work piece remove, promoted this welding frock's suitability and welding efficiency.

In some embodiments, as shown in fig. 1 and 2, the support 11 is a "T" shaped structure, the lower end of the vertical portion of which is provided with a fixed disc 12, and the free end of the lateral portion of which is used to connect the plate 21.

In some embodiments, the bracket 11 is a T-shaped structure rotated by 90 °, the lower end of the vertical part of the structure is provided with a fixed disc 12, and the upper end of the vertical part and the free end of the transverse part of the structure can be connected with the plate 21. Thus, two plate members 21 can be mounted on one bracket 11, and the mounting space of the bracket 11 is reasonably utilized.

In the above embodiment, optionally, a weight chamber for accommodating a weight block is provided in the fixed disk 12. Therefore, the counterweight block can be flexibly added or reduced in the counterweight cavity according to the actual weight of the workpiece, and the applicability of the welding tool is improved.

In the above embodiment, optionally, the fixed disk 12 is provided with an electromagnetic chuck inside, and the electromagnetic chuck generates magnetism after being powered on. Therefore, after the power supply of the electromagnetic chuck is switched on, the fixed disc 12 can be adsorbed to other metal parts, and the welding tool can be flexibly used under complex working conditions.

In some alternative embodiments, the plate 21 may be a regular plate such as a triangular plate, a rectangular plate, or other irregular plate. Thus, the plate 21 with different shapes can be selected according to the actual application object and the use scene of the welding tool.

In the above embodiment, the plate member 21 is optionally provided with a hook or a hanging ring at a side thereof. In this way, the plate 21 is able to suspend the tool.

In the above embodiment, optionally, the plate member 21 further includes an extension plate 23, one end of the extension plate 23 is connected to a side surface of the plate member 21, and the other end is suspended. The side surface of the suspended end of the extension plate 23 is concavely formed into a U-shaped clamping groove, so that the pipe fitting can be positioned or clamped conveniently.

Further, the extension plate 23 is connected to a side surface of the plate member 21 and disposed parallel to the plate member 21, or the extension plate 23 is connected to a side surface of the plate member 21 and disposed perpendicular to the plate member 21. So that the pipe fitting can be positioned or clamped at different positions through the U-shaped clamping groove.

Furthermore, a rubber layer is arranged on the inner wall of the U-shaped clamping groove. In this way, the positioned or clamped pipe can be well protected.

Further, a plurality of extension plates 23 may be connected to be disposed at the side of the plate member 21. Therefore, one or more pipes can be positioned or clamped through the plurality of U-shaped clamping grooves.

In some embodiments, the plate member 21 is rotatably connected to the bracket 11.

In the above embodiment, optionally, the bracket 11 further includes the connecting plate 22, the second rotating shaft 52 passes through the center of the plate 21 from the front side of the plate 21 and is connected to the center of the connecting plate 22, and the plate 21 and the connecting plate 22 are disposed in abutment. In this way, the plate 21 can rotate around the second rotating shaft 52, and the back side always leans against the connecting plate 22 during rotation, thereby improving stability during rotation.

Further, the plate 21 is a rectangular plate 21, and the connecting plate 22 is a square plate having a side length equal to the width of the plate 21. The side surface of the connecting plate 22 is horizontally arranged, and when the plate 21 rotates around the second rotating shaft 52 and the width direction thereof rotates to be horizontal, the position is called as a first position; the plate member 21 is rotated about the second rotation axis 52 and the length direction thereof is rotated to be horizontal, which is referred to as a second position. Thus, the width direction of the plate 21 is horizontal in the first position, the length direction of the plate 21 is horizontal in the second position, and the first position and the second position are common positions in welding or other operations.

Further, as shown in fig. 2 and 3, the left and right portions of the connecting plate 22 are symmetrically provided with a limiting component to limit the plate 21 from further rotating when the plate rotates to the first position; and/or, the upper part and the lower part of the connecting plate 22 are symmetrically provided with limit components to limit the plate 21 to rotate continuously when rotating to the second position.

Further, the limiting component includes a third rotating shaft 53 and a limiting block. The third shaft 53 is disposed on the connecting plate 22, and is formed to extend along the transverse edge or the vertical edge of the connecting plate 22 in a direction away from the connecting plate 22, and partially extends out of the connecting plate 22. The limiting block is connected to a portion of the third rotating shaft 53 extending out of the connecting plate 22 and can rotate around the portion, and a rotating surface of the limiting block intersects with a rotating surface of the plate 21, so that when the limiting block rotates to a range of an intersection line, the limiting block can interfere with the plate 21 to block the movement of the plate 21. Thus, when the plate 21 rotates to the first position, the limiting blocks at the left part and the right part of the connecting plate 22 are shifted to rotate to the intersection line range, so that the plate 21 can be limited to the first position; when the plate 21 rotates to the second position, the limiting blocks at the upper part and the lower part of the connecting plate 22 are stirred to rotate to the intersection line range, so that the plate 21 can be limited to the second position.

In some embodiments, the slide assembly includes a first slide assembly and a second slide assembly. Wherein, the first sliding component comprises a sliding groove 61 arranged on the plate 21; the sliding groove 61 is formed by the surface of the plate 21 which is concave inwards and extends along one direction or a plurality of directions; the second sliding assembly includes a sliding block 62 disposed on the clamping assembly and capable of being engaged with the sliding groove 61. Like this, the centre gripping subassembly passes through slider 62 and can slides on plate 21 along spout 61, and slider 62 can drive the centre gripping subassembly and remove to a direction when spout 61 extends the shaping along a direction, and slider 62 can drive the centre gripping subassembly and remove to a plurality of directions when spout 61 extends the shaping along a plurality of directions for the centre gripping subassembly can be in different positions centre gripping work piece, or the centre gripping work piece is along one or more direction removal.

In the above embodiment, alternatively, the slide groove 61 is formed extending in a plurality of directions on the plate member 21 and takes an "i" shape, and a lateral portion of the shape is close to an end of the plate member 21. Thus, the clamping assembly can move on the plate 21 along the slide groove 61, clamping a workpiece located at the end or the middle of the plate 21 or clamping the workpiece to move.

In the above embodiment, alternatively, the slide groove 61 is formed extending in a plurality of directions on the plate member 21 and formed in a lattice shape. In this way, the clamping assembly can be moved to a plurality of positions in the plane of the plate 21 to clamp the workpiece at the plurality of positions.

Further, the sectional shape of the slide groove 61 is U-shaped or trapezoidal.

In some alternative embodiments, the clamping assembly is connected to the second slide assembly by a rotating assembly, and the clamping assembly is rotatable relative to the second slide assembly by the rotating assembly. In this way, the clamping assembly is capable of clamping workpieces at different angles.

In the above embodiment, optionally, the rotating assembly includes the first rotating shaft 51, one end of the first rotating shaft 51 is connected to the clamping assembly, and the other end is connected to the sliding block 62. In this way, the clamping assembly can rotate about the first axis of rotation 51.

Further, the slider 62 is located in the sliding groove 61, and the width of the notch of the sliding groove 61 is equal to the diameter of the first rotating shaft 51, one end of the first rotating shaft 51 is connected to the clamping assembly, and the other end of the first rotating shaft extends into the sliding groove 61 through the notch to be connected with the slider 62. Thus, while reducing the width of the slot of the chute 61, neither movement of the clamping assembly along the chute 61 nor rotation of the clamping assembly about the first axis of rotation 51 is affected. And can reduce welding operation time welding slag or other foreign matters entering spout 61 and hinder slider 62's removal through the notch width that reduces spout 61, slider 62 all sets up meeting the blockking of other structures on plate 21 surface when can preventing slider 62 to slide in spout 61, can effectively improve the slip effect.

Furthermore, a fixing nut 511 is sleeved on one end of the first rotating shaft 51, which is connected to the clamping assembly and exposed out of the sliding groove 61, and a thread capable of being matched and connected with the fixing nut 511 is disposed on a side surface of the first rotating shaft 51. Thus, the first rotating shaft 51 is moved according to the position of the workpiece to be clamped, the clamping component connected with the first rotating shaft 51 moves synchronously, and after the clamping component reaches the position capable of clamping the workpiece, the fixing nut 511 is rotated towards the sliding groove 61 to enable the fixing nut 511 to press the plate 21, so that the purpose of fixing the clamping component is achieved.

In some embodiments, the clamp assembly includes a first clamp assembly and a second clamp assembly. The at least two first clamping assemblies are respectively arranged at two ends of the plate 21 and are configured to clamp the part of the workpiece, which is positioned at the end part of the plate 21; and/or the second clamping assembly is arranged between the first clamping assemblies at the two ends of the plate 21 and is configured to clamp the part of the workpiece, which is positioned in the middle of the plate 21. Thus, the part of the workpiece positioned at the end part of the plate 21 can be clamped through the first clamping assembly, and the part of the workpiece positioned at the middle part of the plate 21 can be clamped through the second clamping assembly.

In the above embodiment, optionally, two first clamping assemblies are respectively arranged at two ends of the plate member 21. Like this, through set up a plurality of first centre gripping subassemblies at the both ends of plate 21, can the centre gripping a plurality of work pieces or the multiple positions of centre gripping same work piece, improved the stability of centre gripping.

In the above embodiment, optionally, as shown in fig. 4 and 5, the first clamping assembly includes a plate 31, a clamp and a compression spring 33. Wherein, the supporting plate 31 is connected to the first rotating shaft 51; the clamp comprises two clamp arms 32 which can be opened and closed and are arranged on the same side of the supporting plate 31; the head end of the clamp arm 32 is used for clamping a workpiece; the two elastic ends of the pressure spring 33 are respectively connected to the tail ends of the two clamp arms 32, and the head ends of the two clamp arms 32 generate clamping force when the pressure spring 33 is in a compressed state.

In the above embodiment, optionally, the ends of the two forceps arms 32 are connected to the supporting plate 31 through a fourth rotating shaft 54, and the forceps arms 32 can rotate around the fourth rotating shaft 54. Thus, the two clamp arms 32 are opened and closed under the action of the fourth rotating shaft 54.

In the above embodiment, optionally, the two clamp arms 32 are rectangular cylinders, and the end surface of the head end of one clamp arm 32 is inclined toward the end of the other clamp arm 32. Thus, when the head ends of the two clamp arms 32 are contacted, the V-shaped clamp arms are in V-shaped, and play a role in guiding and facilitating clamping of a workpiece.

Furthermore, the opposite side surfaces of the tail ends of the two forceps arms 32 are respectively provided with a positioning column. The spring coils at two ends of the pressure spring 33 are respectively sleeved on the positioning columns of the two clamp arms 32. This makes the compression spring 33 more stable when deformed.

Further, the opposite side surfaces of the head ends of the two forceps arms 32 are respectively concavely formed with arc grooves. Like this, when the head end centre gripping pipe fitting of two tong arms 32, the side of pipe fitting and the surperficial laminating of arc groove for the more stable centre gripping pipe fitting of clamp.

Further, the supporting plate 31 is a rectangular plate and is perpendicular to the plate 21, and corners of the supporting plate 31 away from the plate 21 are rounded corners.

Further, the pressure spring 33 is a convex spiral pressure spring. The middle convex spiral pressure spring can obtain larger deformation amount and generate larger stress because the spring coils with smaller two ends can be embedded into the middle coil.

In some embodiments, as shown in fig. 2 and 6, the second clamping assembly includes a support rod 41 and a clip 42. Wherein, one end of the supporting rod 41 is connected to the first rotating shaft 51, and the other end is suspended; the clip 42 is detachably attached to a free end of the support rod 41 to hold a workpiece. Under the action of the first rotating shaft 51, the supporting rod 41 can rotate around the first rotating shaft 51, and the clamp 42 connected to the supporting rod 41 synchronously rotates, so that the clamp 42 can hold the workpiece at different angles.

In the above embodiment, the clip 42 is optionally connected to the free end of the support rod 41 by a detachment assembly. Thus, with the disassembly assembly, the appropriate yoke 42 can be selected to retain the workpiece depending on the size and shape of the workpiece.

Further, the disassembling component comprises a threaded hole and a stud which can be matched and connected with the threaded hole. The threaded hole is formed by the end face of the free end of the support rod 41 and the inner part of the support rod 41 along the axial direction, and the studs are arranged on various types of clamping hoops 42. Like this, the clamp 42 of multiple different models can be installed in the unsettled one end of bracing piece 41 through the double-screw bolt, has effectively improved the suitability of welding frock.

Further, the band 42 may be a reducing band or a resilient split band. Can block the pipe fitting of different pipe diameters through reducing clamp and elasticity opening clamp.

In the above embodiment, the support rod 41 is optionally a rod member that is retractable in its axial direction. Like this, adjust the length of bracing piece 41, set up in the clamp 42 of the unsettled one end of bracing piece 41 and follow the removal for the effect that the axial direction of bracing piece 41 removed can be realized along to clamp 42, is convenient for the work piece of centre gripping different positions.

Illustratively, by using the welding tool provided by the embodiment of the present disclosure, the sliding block 62 connected to the supporting plate 31 and the sliding groove 61 on the plate 21 and capable of being in fit connection with the sliding block 62 push the supporting plate 31 to move on the plate 21 and reach a suitable position where the workpiece can be clamped, the clamp arranged on the supporting plate 31 synchronously moves to the position, and then the fixing nut 511 sleeved on the first rotating shaft 51 is rotated towards the sliding groove 61 to press the plate 21, so that the supporting plate 31 does not move any more; the supporting plate 31 is rotated by a first rotating shaft 51 connected to the supporting plate 31 to a proper angle at which the workpiece can be clamped, and the clamp arranged on the supporting plate 31 is synchronously rotated to the angle and clamps the workpiece; the slide block 62 connected to the support rod 41 and the slide groove 61 on the plate 21 and capable of being connected with the slide block 62 in a matching manner push the support rod 41 to move on the plate 21 and reach a proper position capable of clamping a workpiece, the clamp 42 arranged on the support rod 41 synchronously moves to the position, and the fixing nut 511 sleeved on the first rotating shaft 51 rotates towards the slide groove 61 to press the plate 21, so that the support rod 41 does not move any more; the support rod 41 is rotated through the first rotating shaft 51 connected to the support rod 41 to a proper angle at which the workpiece can be clamped, and the yoke 42 provided to the support rod 41 is synchronously rotated to the angle and clamps the workpiece; the long bent pipes can be clamped through the U-shaped clamping grooves of the extension plates 23 connected to the side surfaces of the plate 21; through connecting in the second pivot 52 of plate 21, plate 21 can rotate around second pivot 52, and the work piece that is held by the card rotates in step, and convenience of customers follows different angle welding operation, can effectively promote welding efficiency.

The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The embodiments of the present disclosure are not limited to the structures that have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (10)

1. The utility model provides a welding frock, its characterized in that includes:

a bracket including a plate;

the clamping assembly is connected to the plate in a sliding mode through a sliding assembly; the clamping assembly is used for clamping different parts of the workpiece at different positions of the plate.

2. The welding tool of claim 1, wherein the sliding assembly comprises:

the first sliding assembly comprises a sliding groove arranged on the plate; the sliding groove is formed by inwards recessing the surface of the plate and extending along one direction or a plurality of directions;

and the second sliding assembly comprises a sliding block which is arranged on the clamping assembly and can be matched and connected with the sliding groove.

3. The welding tool of claim 2, wherein the cross-sectional shape of the chute is U-shaped or trapezoidal.

4. The welding tool of claim 2 or 3, wherein the clamping assembly is coupled to the second slide assembly via a rotating assembly, and the clamping assembly is rotatable relative to the second slide assembly via the rotating assembly.

5. The welding tool of claim 4, wherein the rotating assembly comprises a first rotating shaft, one end of the first rotating shaft is connected to the clamping assembly, and the other end of the first rotating shaft is connected to the sliding block.

6. The welding tool of claim 5, wherein the clamping assembly comprises:

the at least two first clamping assemblies are respectively arranged at two ends of the plate and are configured to clamp the part of the workpiece, which is positioned at the end part of the plate; and/or the presence of a gas in the gas,

and the second clamping assembly is arranged between the first clamping assemblies at the two ends of the plate and is configured to clamp the part of the workpiece, which is positioned in the middle of the plate.

7. The welding tool of claim 6, wherein the first clamping assembly comprises:

the supporting plate is connected to the first rotating shaft;

the clamp comprises two clamp arms which can be opened and closed and are arranged on the same side of the supporting plate; the head end of the clamp arm is used for clamping the workpiece;

and the elastic two ends of the pressure spring are respectively connected to the tail ends of the two clamp arms, and the head ends of the two clamp arms generate clamping force when the pressure spring is in a compressed state.

8. The welding tool of claim 6, wherein the second clamping assembly comprises:

one end of the supporting rod is connected to the first rotating shaft, and the other end of the supporting rod is arranged in a suspended mode;

and the clamp is detachably connected with one suspended end of the supporting rod to clamp the workpiece.

9. The welding tool of claim 8, wherein the support rod is a rod that is retractable in an axial direction thereof.

10. The welding tooling of claim 1, wherein the plate is rotatably connected to the bracket.

Images