CN206373552U - Welding tooling and welding system - Google Patents

Abstract

Welding tooling and welding system that the utility model is provided, are related to field of welding devices.The welding tooling includes bottom plate and tong.Wherein, the tong includes protuberance, handle, paw, first connecting portion and second connecting portion.The tong is arranged on the bottom plate, and the first locating slot for placing device to be welded and the second locating slot coordinated with the paw are provided with the bottom plate.Compared with prior art, the welding tooling is simple and practical, the handle rotates around the protuberance, drive the second connecting portion, the second connecting portion drives first connecting portion, so that the paw is located in second locating slot and presses the device to be welded, has prevented the potential safety hazard that manual concora crush welding is present, and pressing effect is good, improves welding efficiency.

Description

Welding tooling and welding system

Technical field

The utility model is related to field of welding devices, in particular to a kind of welding tooling and welding system.

Background technology

In the industry that manufacturing or other needs are welded, it is sometimes desirable to which device to be welded is gripped. Such as, existing laser welding operation, most of is manual work, and whole operation process is substantially：Operator will need what is welded Two sections of material carries out laminating pressing, and typically welding region periphery is pressed in using hard metalwork during welding, will while welding The position of pressure is moved to meet actual welding requirements.

In batch production, due to being neglected by operator, the human factor such as fatigue influenceed, can not ensure during welding completely Flatten laminating in place, and the place of pressure is adjusted according to the position of welding during welding, welding efficiency is low, laminating easily occur bad Cause fried weldering, burn-through phenomenon.

Utility model content

In order to overcome above-mentioned deficiency of the prior art, it is good that the utility model provides a kind of safe operation, welding effect Welding tooling and welding system, potential safety hazard existed etc. is welded to solve welding effect difference in the prior art and manual concora crush Problem.

For welding tooling, the utility model preferred embodiment provides a kind of welding tooling, for being pressed in welding Fixed device to be welded, the welding tooling includes：

Bottom plate；

At least one is fixedly installed on the tong for being used on the bottom plate pressing the device to be welded, the tong bag Include：It is provided projectingly the protuberance on the bottom plate；One end rotates what is be connected with the protuberance close to one end of the bottom plate Handle；One end is provided with the paw for pressing the device to be welded, the other end and the one end of the protuberance away from the bottom plate Rotate the first connecting portion of connection；The one end of one end and the handle away from the bottom plate, which is rotated, be connected, the other end and described the The one end of one connecting portion away from the protuberance rotates the second connecting portion of connection；

The first locating slot for placing the device to be welded is provided with the bottom plate and is coordinated with the paw The second locating slot.

In preferred embodiment of the present utility model, above-mentioned paw is platy structure, be provided with the platy structure with The first bar hole that the welding position of the device to be welded coordinates.

In preferred embodiment of the present utility model, above-mentioned tong also includes being used to connect the paw and first company 3rd connecting portion of socket part, the 3rd connecting portion is fixedly connected with side of the paw away from first bar hole.

In preferred embodiment of the present utility model, above-mentioned handle includes two linking arms being oppositely arranged, the protrusion Portion is located between two linking arms, and one end of two linking arms and the protuberance are close to one end of the bottom plate Rotate connection.

In preferred embodiment of the present utility model, above-mentioned first connecting portion includes U-shape structure and one end and the paw Connection, the connection body that the other end is connected by holding firmware with U-shape structure away from open at one end, the opening one of the U-shape structure Hold to rotate with the one end of the protuberance away from the bottom plate and be connected, be provided with the connection body for adjusting the paw Second bar hole of position.

In preferred embodiment of the present utility model, above-mentioned second connecting portion includes connecting the handle and first company The connector of socket part and be arranged on the connector close to described first connecting portion one end and away from the handle side with The locating part that the holding firmware coordinates.

In preferred embodiment of the present utility model, be provided with screwed hole on above-mentioned protuberance, the protuberance by with Screw or be bolted on the bottom plate that the corresponding threaded holes are closed.

In preferred embodiment of the present utility model, the one end of above-mentioned handle away from the bottom plate is arranged with insulating cement.

In preferred embodiment of the present utility model, two tongs have been arranged side by side on above-mentioned bottom plate, and respectively Two second locating slots being engaged with two tongs.

For welding system, preferred embodiment of the present utility model also provides a kind of welding system, the welding system bag Include above-mentioned welding tooling.

Welding tooling and welding system that the utility model is provided.The welding tooling includes bottom plate, tong, wherein described Tong includes protuberance, handle, paw, first connecting portion, second connecting portion.Described handle one end is with the protuberance close to institute State bottom plate first end and rotate connection, described second connecting portion one end is fixedly connected with the paw, the other end and the protuberance One end away from the bottom plate rotates connection, and described second connecting portion one end is rotated with the one end of the handle away from the bottom plate Connection, the other end is rotated with the one end of the first connecting portion away from the protuberance and is connected.The tong is arranged on the bottom On plate, the first locating slot for placing device to be welded and coordinate with the paw second are additionally provided with the bottom plate Locating slot.

Compared with prior art, the welding tooling is simple and practical, and the handle rotates around the protuberance, driving The second connecting portion, the second connecting portion drives first connecting portion, so that the paw is located in second locating slot And the device to be welded is pressed, prevent the potential safety hazard that manual concora crush welding is present, and pressing effect is good, improves welding Efficiency.

To enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, the utility model cited below particularly compared with Good embodiment, and coordinate appended accompanying drawing, it is described in detail below.

Brief description of the drawings

In order to illustrate more clearly of the technical scheme of the utility model embodiment, it will use below required in embodiment Accompanying drawing be briefly described.It should be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also To obtain other related accompanying drawings according to these accompanying drawings.

Structural representation of the welding tooling that Fig. 1 is provided for the utility model preferred embodiment when tong opens.

The structural representation of the tong for the welding tooling that Fig. 2 provides for the utility model preferred embodiment.

The structural representation of first connecting portion in the tong for the welding tooling that Fig. 3 provides for the utility model preferred embodiment Figure

The structural representation of second connecting portion in the tong for the welding tooling that Fig. 4 provides for the utility model preferred embodiment Figure.

Structural representation of the welding tooling that Fig. 5 is provided for the utility model preferred embodiment when pressing workpiece to be welded Figure.

Fig. 6 is the structural representation of the battery shown in Fig. 5.

Fig. 7 is the structural representation of the battery mounting shown in Fig. 5.

Icon：100- welding toolings；110- bottom plates；The locating slots of 111- first；The locating slots of 112- second；120- tongs； 121- protuberances；122- handles；123- first connecting portions；1231- connection bodies；1232-U type structures；1233- holding firmwares； The bar holes of 1234- second；1235- sliding parts；124- paws；The bar holes of 1241- first；125- second connecting portions；1251- connections Part；1252- locating parts；The connecting portions of 126- the 3rd；130- batteries；131- battery bodies；132- lugs；140- battery mountings.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe.Obviously, described embodiment is only a part of embodiment of the present utility model, rather than all Embodiment.The component for the utility model embodiment being generally described and illustrated herein in the accompanying drawings can be matched somebody with somebody with a variety of Put to arrange and design.

Therefore, the detailed description of embodiment of the present utility model below to providing in the accompanying drawings is not intended to limit requirement The scope of the present utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based on reality of the present utility model Example is applied, the every other embodiment that those skilled in the art are obtained on the premise of creative work is not made is belonged to The scope of the utility model protection.

It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi It is defined in individual accompanying drawing, then it further need not be defined and explained in subsequent accompanying drawing.

, it is necessary to explanation in description of the present utility model, term " in ", " on ", " under ", " level ", " interior ", " outer " Orientation or position relationship Deng instruction are that, based on orientation shown in the drawings or position relationship, or the utility model product is used When the orientation usually put or position relationship, be for only for ease of description the utility model and simplify and describe, rather than indicate or Specific orientation must be had, with specific azimuth configuration and operation by implying the device or element of meaning, therefore it is not intended that To limitation of the present utility model.In addition, term " first ", " second " etc. be only used for distinguish description, and it is not intended that indicate or Imply relative importance.

In addition, the term such as term " level ", " vertical " is not offered as requiring part abswolute level or pendency, but can be slightly Low dip.It is not that the expression structure must be complete as " level " only refers to its direction with respect to more level for " vertical " Full level, but can be slightly tilted.

, it is necessary to which explanation, unless otherwise clearly defined and limited, term " is set in description of the present utility model Put ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly Connection.Can be mechanical connection or electric connection.Can be joined directly together, the indirect phase of intermediary can also be passed through Even, can be the connection of two element internals.For the ordinary skill in the art, it can understand above-mentioned with concrete condition Concrete meaning of the term in the utility model.

Fig. 1 is refer to, is knot of the welding tooling 100 of the utility model preferred embodiment offer when tong 120 opens Structure schematic diagram.The utility model provides a kind of welding tooling 100, for pressing fixed device to be welded in welding, especially Laser welding.The welding tooling 100 includes bottom plate 110 and tong 120.The first locating slot 111 is provided with the bottom plate 110 With the second locating slot 112, first locating slot 111 is used to place device to be welded, and second locating slot 112 is used to place The welding position of the device to be welded, and second locating slot 112 coordinates with tong 120, and position to be welded is pressed It is fixed in second locating slot 112, to facilitate welding operation.

Specifically, at least one described tong 120 is arranged on one end of the bottom plate 110, and first locating slot 111 is set Put the other end in the bottom plate 110.The number for the tong 120 being arranged on bottom plate 110 can be designed according to real needs, than Such as, the number of tong 120 is one or more, it is preferable that the number of tong 120 is two.Second locating slot 112 It is arranged between first locating slot 111 and tong 120, and is connected with the first locating slot 111, it can be understood as, it is described The semi-open groove that second locating slot 112 is surrounded by the vertical side wall of bottom wall and three, second locating slot 112 is close to described The side of first locating slot 111 is without side wall.The depth of the locating slot 112 of first locating slot 111 and second can be according to be welded The thickness of device and design, it is preferable that 111 to the second locating slot of the first locating slot 112 is deep.

Fig. 2 is refer to, is the structural representation of the tong 120 for the welding tooling 100 that the utility model preferred embodiment is provided Figure, the tong 120 shown in Fig. 2 is in open configuration.In the present embodiment, the tong 120 can include protuberance 121, Handle 122, first connecting portion 123, second connecting portion 125 and cleft hand.The protuberance 121 is fixedly installed on the base On, one end of the handle 122 rotates close to one end of the base with the protuberance 121 and is connected.The first connecting portion 123 one end is fixedly connected with the paw 124, and the other end is rotated with the one end of the protuberance 121 away from the bottom plate 110 Connection.One end of the second connecting portion 125 rotates with the one end of the handle 122 away from the bottom plate 110 and is connected, the other end Rotate and be connected with the one end of the first connecting portion 123 away from the protuberance 121.

Fig. 1 is refer to, before using the tong 120, tong 120 is typically in open configuration, operation can be passed through Member pulls the handle 122 by hand.It is connected because the handle 122 is rotated with protuberance 121, i.e. the handle 122 can be around described prominent Go out portion 121 to rotate, and drive second rotation section to rotate, second rotation section drives the first rotation section to rotate, so as to set Paw 124 on first rotation section is turned in the second locating slot 112 coordinated with the paw 124.Second positioning Device to be welded is pre-placed in groove 112, it is to be welded to press fixation that the paw 124 coordinates second locating slot 112 The device connect.

In the present embodiment, the projection of the protuberance 121 can be the structure of set square shape, the triangle tabular knot There is an angle on the side of structure and the surface of the bottom plate 110, it is preferable that the side of the triangle platy structure and the bottom plate 110 surface is vertical.The protuberance 121 can be fixedly installed on by way of inlaying on the bottom plate 110, can also It is to be arranged on by glue hydropexis on the bottom plate 110.

In the present embodiment or other embodiment, the protuberance 121 being arranged on the bottom plate 110 can include three The platy structure and fixed plate of horn shape.The platy structure of the triangular shape can be the described of integrally formed composition with fixed plate Protuberance 121.Preferably, it can be same metal material to constitute the platy structure of the triangular shape and the material of fixed plate Material, such as, and iron or brass.

Preferably, the platy structure of the triangular shape is the platy structure of right angle triangle, and wherein the one of the platy structure Individual square edge is arranged on the fixed plate centre, another square edge away from the first locating slot 111 in the fixed plate, And it is vertical with the bottom plate 110.Angle of the platy structure of the triangular shape away from described one end of bottom plate 110 can for arc-shaped to The angle of outer protrusion.The fixed plate can be rectangular-shaped platy structure, and be provided with multiple through holes.Set on the bottom plate 110 It is equipped with the screwed hole coordinated one by one with multiple through holes in fixed plate, the fixed plate passes through the screw that matches with the screwed hole Or bolt is fixedly connected with bottom plate 110, so that the platy structure of triangle tabular protrudes from the bottom plate 110.

When the tong 120 is in open configuration, the handle 122 of tong 120 can be abutted on the bottom plate 110, Preferably, the handle 122 in bearing of trend and first locating slot 111 of its length close to the side of handle 122 Edge-perpendicular.The first connecting portion 123 under this state has an angle with second connecting portion 125, for example, the angle can be with It is set to 90 °, it can be understood as, now the first connecting portion 123 is vertical with bottom plate 110, so that the energy of paw 124 after rotating It is located exactly in second neck.Second connecting portion 125 under this state is used to prevent the first connecting portion 123 because of gravity Rotated to the second neck direction；Or the second connecting portion 125 is supported, to avoid second connecting portion 125 from turning to the direction of handle 122 It is dynamic, and influence use the tong 120 next time.

In the present embodiment, the paw 124 can be platy structure, and one end of the platy structure is provided with first Shape hole 1241, the other end can be provided with screwed hole.The paw 124 passes through the screw or bolt that coordinate with the screwed hole and institute First connecting portion 123 is stated to connect.The welding position of first bar hole 1241 and the device to be welded coordinates, and passes through first Bar hole 1241 manifests the welding position of device to be welded, to facilitate welding.

Specifically, Fig. 2 is refer to, first bar hole 1241 opened up can be with the bearing of trend of its own length The bearing of trend of its length of first connecting portion 123 is vertical, so that the first bar hole 1241 on the paw 124 after rotating Welding position that can be just with device to be welded is engaged.The length and width of first bar hole 1241 can be according to specific need Want the length and width of welding position to design, so that first bar hole 1241 can expose whole positions of needs welding, enter And ensure being normally carried out for welding sequence.

In the present embodiment or other embodiment, the tong 120 can also include the 3rd connecting portion 126.Described 3rd One end of connecting portion 126 can be provided with the screwed hole being engaged with the second bar hole 1234, and the other end can be provided with one Or multiple screwed holes coordinated with paw 124, the two ends of the 3rd connecting portion 126 pass through the screwed hole phase with this two ends respectively The screw or bolt of cooperation are threadedly coupled with first connecting portion 123 and paw 124.The length of 3rd connecting portion 126 can root Set according to concrete condition, such as, the length of the 3rd connecting portion 126, which meets paw 124, can press fixed device to be welded.

In the present embodiment, the handle 122 includes two linking arms being oppositely arranged.One end of two linking arms Link together, formed with the handle 122 that can be pulled for operator.The handle 122 is by a kind of metal (such as, iron Or brass) constitute when, can be arranged a kind of insulating cement on the one end of the handle 122 away from the protuberance 121, it is to avoid weldering Pick out existing electric leakage and protect operator, while comfort level when pulling 122 main body of handle can be increased.The protuberance 121 Between two linking arms, the other end of two linking arms with the protuberance 121 is close to the bottom plate 110 and leans on One end of nearly first neck rotates connection.One end of the second connecting portion 125 is rotatably arranged between the two linking arms, and Away from the protuberance 121.

Specifically, space is formed between two linking arms.The size in the space can according to required for specific Size and design, i.e. being sized to of the space accommodates the protuberance 121, first connecting portion 123 and second connecting portion 125 need the position in space in rotation process.For example, in the rotation process of handle 122, the space can be for institute State protuberance 121, first connecting portion 123 and second connecting portion 125 to pass through, and avoid being connected by the protuberance 121, first Portion 123 and the card master of second connecting portion 125, it is impossible to realize and rotate.Two linking arms are close to one end of the protuberance 121 A through hole can be respectively equipped with, the protuberance 121 is provided with the through hole being engaged with the through hole, can pass through pin and institute State protuberance 121 and rotate connection, the pin is engaged with the through hole on linking arm, i.e., the pin is as rotating shaft, so that described Handle 122 is rotatable.

It should be noted that in description of the present utility model, the rotation connection between miscellaneous part can be by upper What the mode stated was realized, that is, the technical principle rotated and the principle that handle 122 is rotated are similar.

Refer to Fig. 3, be the utility model preferred embodiment provide welding tooling 100 tong 120 in first connect The structural representation of socket part 123.In the present embodiment, the first connecting portion 123 includes U-shape structure 1232 and connection body 1231.The U-shape structure 1232, holding firmware 1233 and connection body 1231 can be integrally formed described the first of composition to connect Socket part 123.The described one end of U-shape structure 1232 away from opening is consolidated by one end of holding firmware 1233 and the connection body 1231 Fixed connection, the other end of the connection body 1231 is connected with paw 124, and the open at one end of U-shape structure 1232 is dashed forward with described Go out the one end of portion 121 away from the base and rotate connection.

Specifically, the second bar hole 1234 is provided with the connection body 1231, the position for adjusting paw 124 Put.Second bar hole 1234 its length bearing of trend with it is described connection body 1231 in the extension side of its length To consistent.The paw 124 is provided with the screwed hole being engaged with the second bar hole 1234, the paw 124 by with the spiral shell The screw or bolt that pit matches are connected with being connected body 1231, and wherein the screw or bolt pass through second bar hole 1234 are threadedly coupled with the paw 124.

Sliding part 1235 can also be arranged with the connection body 1231, the opposing sides of the sliding part 1235 is provided with The through hole coordinated in the second bar hole 1234 and the screwed hole.Screw or bolt for the paw 124 that is connected are successively Another through hole through on the through hole on sliding part 1235, the second bar hole 1234 and sliding part 1235, the last screw Or bolt enters screwed hole, it is threadedly coupled with paw 124.The sliding part 1235 can be by loosening through the sliding part 1235 Screw or bolt, slide the length bearing of trend that the sliding part 1235 prolongs second bar hole 1234, can adjust according to demand The optimal position of the paw 124 is saved, to ensure that paw 124 can press fixed relay part to be welded, and the welding of relay part to be welded Position can be revealed by the first bar hole 1241 on paw 124.

Refer to Fig. 4, be the utility model preferred embodiment provide welding tooling 100 tong 120 in second connect The structural representation of socket part 125.In the present embodiment, the second connecting portion 125 includes connector 1251 and is arranged on connection The locating part 1252 of the side of part 1251.The connector 1251 and locating part 1252 can be integrally formed composition described second Connector 1251.During handle 122 is pulled, the connector 1251 is used to drive first connecting portion 123, so that paw Device to be welded is unclamped in 124 pressings.

Specifically, the connector 1251 can be the strip laminated structure for being provided at both ends with through hole, can by with this The pin that through hole coordinates rotates connection with first connecting portion 123 and handle 122.The locating part 1252 can be protrude from it is described The structure of the triangle tabular of connector 1251, and be engaged with the holding firmware 1233 in first connecting portion 123.For example, described , it is necessary to which the handle 122 is pulled to the direction of the first locating slot 111 during tong 120 presses device to be welded, and institute State holding firmware 1233 and be arranged on the connector 1251 close to described one end of first connecting portion 123 and away from the handle 122 1 Side, with the pulling of handle 122, the locating part 1252 will be held on the holding firmware 1233, to avoid the handle 122 Continue to pull to the direction of the first locating slot 111, the excessive device to be welded for causing to be pressed of the dynamics for fixing pressing produces excessive Deformation, and influence the use of device after welding.The cooperation position of the locating part 1252 and the holding firmware 1233 can be according to tool Body needs the welding position of the device to be welded pressed and set.Such as, when the handle 122 is defined, the paw 124 pressure can press device to be welded and is avoided that to facilitate welding, again produces device to be welded because pressure is excessive Excessive deformation and influence it to use.

Refer to Fig. 5, be the utility model preferred embodiment provide welding tooling 100 press workpiece to be welded when Structural representation.In the present embodiment, device to be welded can be battery 130 or battery core, such as a kind of lithium ion battery, especially It is soft bag lithium ionic cell.Preferably, be provided with two tongs 120 on the bottom plate 110, and respectively with described in two Two second locating slots 112 that tong 120 is engaged, first locating slot 111 is by two vertical side walls and one Bottom wall surrounds a semi-open groove, and device to be welded is put into or takes out to facilitate, and is being not provided with the first locating slot of side wall 111 edge can be provided with U-shaped mouth, further facilitate and be put into or take out device to be welded.

Incorporated by reference to reference picture 6 and Fig. 7, the welding tooling 100 can be by using laser welding by the lug of battery 130 132 are welded on battery body 131.For example, before welding, the tong 120 is typically in open configuration, can be by battery 130 are placed on the battery mounting 140 coordinated with the battery 130, it is preferred that the size of the battery mounting 140 and first The size of locating slot 111 matches.The battery mounting 140 for being placed with battery 130 is integrally placed to first locating slot In 111, lug 132 is placed in two second locating slots 112, and the lug 132 is located at corresponding battery body The position to be welded of (or on edge sealing of battery body 131) on 131, then can pull handle 122 by operator.The handle 122 rotate around the protuberance 121, drive the second connecting portion 125, and the second connecting portion 125 drives first connecting portion 123, so that the paw 124 is located in second locating slot 112 and presses treating for the lug 132 and battery body 131 Welding position, and the position to be welded revealed by the first bar hole 1241, for laser welding.

The utility model also provides a kind of welding system, and the welding system has the welding tooling in above-described embodiment 100.The system is in welding, by the welding tooling 100, improves the safety coefficient of the welding system, and welding effect Rate, is conducive to the automation of welding operation, and then realizes large-scale welding operation.

In summary, the utility model provides a kind of welding tooling and welding system.The welding tooling include bottom plate and Tong.The tong includes protuberance, handle, paw, first connecting portion and second connecting portion.Described handle one end with it is described Protuberance is rotated close to the bottom plate first end and connected, and described second connecting portion one end is fixedly connected with the paw, the other end Rotate and be connected with the one end of the protuberance away from the bottom plate, described second connecting portion one end is with the handle away from the bottom One end of plate rotates connection, and the other end is rotated with the one end of the first connecting portion away from the protuberance and is connected.The tong Be arranged on the bottom plate, be provided with the bottom plate the first locating slot for placing device to be welded and with the paw The second locating slot coordinated.

Compared with prior art, the welding tooling is simple and practical, and the handle rotates around the protuberance, driving The second connecting portion, the second connecting portion drives first connecting portion, so that the paw is located in second locating slot And the device to be welded is pressed, prevent the potential safety hazard that manual concora crush welding is present, pressing effect is good, improves welding effect Rate.

Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.

Claims (10)

1. a kind of welding tooling, it is characterised in that for pressing fixed device to be welded, the welding tooling bag in welding Include：

Bottom plate；

At least one is fixedly installed on the tong for being used on the bottom plate pressing the device to be welded, and the tong includes： It is provided projectingly the protuberance on the bottom plate；One end rotates the handle being connected with the protuberance close to one end of the bottom plate Handle；One end is provided with the paw for pressing the device to be welded, and the other end turns with the one end of the protuberance away from the bottom plate The first connecting portion of dynamic connection；One end rotates with the one end of the handle away from the bottom plate and is connected, the other end and described first The one end of connecting portion away from the protuberance rotates the second connecting portion of connection；

The first locating slot for placing the device to be welded and coordinate with the paw the are provided with the bottom plate Two locating slots.

2. welding tooling according to claim 1, it is characterised in that the paw is platy structure, the platy structure On be provided with the first bar hole with the cooperation of the welding position of the device to be welded.

3. welding tooling according to claim 2, it is characterised in that the tong also include being used for connecting the paw and 3rd connecting portion of the first connecting portion, the 3rd connecting portion is consolidated with side of the paw away from first bar hole Fixed connection.

4. welding tooling according to claim 1, it is characterised in that the handle includes two connections being oppositely arranged Arm, the protruding parts are between two linking arms, and one end of two linking arms and the protuberance are close to institute The one end for stating bottom plate rotates connection.

5. welding tooling according to claim 4, it is characterised in that the first connecting portion includes U-shape structure and one end It is connected with the paw, the connection body that the other end is connected by holding firmware with U-shape structure away from open at one end, the U-shaped knot The open at one end of structure is rotated with the one end of the protuberance away from the bottom plate and is connected, and is provided with the connection body for adjusting Save the second bar hole of the paw position.

6. welding tooling according to claim 5, it is characterised in that the second connecting portion include connecting the handle and The connector of the first connecting portion and the connector is arranged on close to described first connecting portion one end and away from described The locating part coordinated with the holding firmware of handle side.

7. welding tooling according to claim 1, it is characterised in that screwed hole is provided with the protuberance, described prominent Go out portion by the screw that is closed with the corresponding threaded holes or be bolted on the bottom plate.

8. welding tooling according to claim 1, it is characterised in that the one end of the handle away from the bottom plate is arranged with Insulating cement.

9. welding tooling according to claim 1, it is characterised in that two folders have been arranged side by side on the bottom plate Hand, and two second locating slots being engaged respectively with two tongs.

10. a kind of welding system, it is characterised in that including the welding tooling described in any one in claim 1-9.