CN206653070U - Welding electrode head - Google Patents
Welding electrode head Download PDFInfo
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- CN206653070U CN206653070U CN201720274601.0U CN201720274601U CN206653070U CN 206653070 U CN206653070 U CN 206653070U CN 201720274601 U CN201720274601 U CN 201720274601U CN 206653070 U CN206653070 U CN 206653070U
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- tie rod
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- hollow disc
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Abstract
The utility model discloses a kind of welding electrode head, including：Top electrode；Bottom electrode, it includes electrode cap, electrode tie rod and the electrode tip holder being detachably connected successively from top to bottom, wherein, the electrode tie rod is hollow cylindrical configuration, and the side wall lower ends of the electrode tie rod, which run through, has screwed hole；Gas supply assembly, it includes the joint that one end is connected by screwed hole with the electrode tie rod and the tracheae connected with the joint other end, the tracheae connect with a feeder；The electrode cap lower surface coaxially has a columnar projections, wherein, the electrode tie rod inwall upper end has internal thread, and the columnar projections have the external screw thread that the internal thread with the electrode tie rod inwall upper end matches, the electrode cap and the electrode tie rod are spirally connected.The utility model effectively avoids welding slag from being stained with screw thread by the use of gas supply assembly, and reduces welding slag and fall into bottom electrode, while by opening up blind hole, the beneficial effect for effectively avoiding nut from being partially welded in Top electrode.
Description
Technical field
It the utility model is related to welding technology field.More specifically, it the utility model is related to a kind of welding electrode head.
Background technology
Electric resistance welding is between weldment is pressed in into two electrodes, and imposes electric current, and work piece interface and neighbour are flowed through using electric current
Resistance fuel factor caused by near field is heated to fusing or mecystasis, is allowed to be formed a kind of method of metal combination, quilt
It is widely used in auto industry, bodywork parts there are many nuts or bolt for needing to weld, and resistance welder is mainly using upper
Bottom electrode is welded to workpiece, and bottom electrode is fixed, Top electrode movement.
What is used at present is used for the electrode on bolt welding to workpiece, during welding, welding slag can from bolt with
Drop in the hole of bottom electrode, or adhere on the screw thread of bolt in the slit of workpiece contact, damage bolt, if welding when
Between it is long, worker also need to stop work clear up dropping to the welding slag in bottom electrode hole, also extremely lose time, so, carry
Effectively welding slag can be avoided to fall into for one kind, and the problem of the bottom electrode hole that can quickly clear up is current urgent need to resolve；
What is used at present is used for the electrode on nut-welding to workpiece, during welding, can not only there is welding slag
The problem of, while positioned workpiece to bottom electrode by alignment pin, Top electrode can first contact alignment pin during pushing,
Nut is just touched after alignment pin is pushed into a segment distance, due to not having good location control between alignment pin and nut, is led
Nut is caused easily to be partially welded.
Utility model content
A purpose of the present utility model is that solve at least the above, and provides the advantages of at least will be described later.
The utility model also has a purpose to be to provide a kind of welding electrode head, and it is by the use of gas supply assembly again by spiral shell
When on bolt or nut-welding to workpiece, effectively avoid welding slag from being stained with screw thread, and reduce welding slag and fall into bottom electrode, welded nut
When, by opening up blind hole in Top electrode, the problem of effectively avoiding nut from being partially welded.
In order to realize according to object of the present invention and further advantage, there is provided a kind of welding electrode head, including：
Top electrode；
Bottom electrode, it includes electrode cap, electrode tie rod and the electrode tip holder being detachably connected successively from top to bottom, wherein, institute
It is hollow cylindrical configuration to state electrode tie rod, and the side wall lower ends of the electrode tie rod, which run through, has screwed hole；
Gas supply assembly, it include the joint that one end connected by screwed hole with the electrode tie rod and with the joint other end
The tracheae of connection, the tracheae connect with a feeder.
Preferably, the electrode cap lower surface coaxially has a columnar projections, wherein, the electrode tie rod inwall upper end
With internal thread, the columnar projections have the external screw thread that the internal thread with the electrode tie rod inwall upper end matches, will
The electrode cap is spirally connected with the electrode tie rod.
Preferably, described welding electrode head, in addition to the hollow disc positioned at bottom in the electrode tie rod, it is described
One end that joint is located in the electrode tie rod connects with the hollow disc, and the hollow disc upper surface coaxially offers
It is open for the first opening of annular shape and second, wherein, there is perforation through the electrode cap in the axial direction, the perforation
Radius is less than the exradius of the described first opening, more than the inner circle radius of the described first opening, the inner circle of second opening
Radius is more than the exradius of the described first opening, and the second opening cover sets a truncated cone-shaped conduit, so that by the second opening
The gas of catheter tip is reached towards the circumferential injection of the perforation lower end.
Preferably, the diameter of the lateral cross section of the hollow disc is slightly less than the inner circle radius of the electrode tie rod, institute
State hollow disc upper surface and enclosing is circumferentially set straight up, the enclosing outer surface and the inwall of the electrode tie rod connect
Touch, the first opening cover sets a cylindrical conduit.
Preferably, the electrode tie rod is located on the inwall between its internal thread lower end and the screwed hole along vertical side
To provided with strip projected parts, there is the groove corresponding with the strip projected parts on the hollow disc, so that the hollow disc
When sliding straight down to the bottom of the electrode tie rod along the strip projected parts, the groove is located at one with the screwed hole
Straight line, the groove have a through hole, and one end that the joint is located in the electrode tie rod passes through through hole and the hollow circle
Disk connects.
Preferably, the height of the cylindrical conduit is higher than the height of the truncated cone-shaped conduit.
Preferably, be detachably rotatably connected a handle in the inner tube of the cylindrical conduit.
Preferably, described welding electrode head, in addition to：
Spring, its bottom is fixed in the electrode tip holder vertically, and the spring is located in the electrode tie rod；
Insulated dowel, it is fixed in the one end of the spring away from the electrode tip holder vertically, and top passes through electrode cap
And it is higher than electrode cap upper surface；
Wherein, the bottom up concave shape of the Top electrode is coaxially disposed into blind hole, the blind hole with the insulated dowel.
The utility model comprises at least following beneficial effect：Effectively welding slag is avoided to be stained with screw thread by the use of gas supply assembly
On, and reduce welding slag and fall into bottom electrode, while by opening up blind hole in Top electrode, the beneficial effect for effectively avoiding nut from being partially welded
Fruit.
Further advantage, target and feature of the present utility model embody part by following explanation, and part will also pass through
Research of the present utility model and practice are understood by the person skilled in the art.
Brief description of the drawings
Structural representation when Fig. 1 is welding electrode head weld bolt described in the utility model；
Structural representation when Fig. 2 is welding electrode head welded nut described in the utility model；
Fig. 3 is the structural representation of hollow disc described in the utility model.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to explanation
Book word can be implemented according to this.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more
The presence or addition of individual other elements or its combination.
As Figure 1-3, the utility model provides a kind of welding electrode head, including：
Top electrode 1；
Bottom electrode 2, it includes electrode cap 20, electrode tie rod 23 and the electrode tip holder 25 being detachably connected successively from top to bottom,
Wherein, the electrode tie rod 23 is hollow cylindrical configuration, and the side wall lower ends of the electrode tie rod 23, which run through, has screwed hole 24；
Gas supply assembly 3, it includes the joint 30 and and joint that one end is connected by screwed hole 24 with the electrode tie rod 23
The tracheae of 30 other ends connection, the tracheae connect with a feeder, wherein, the joint 30 is connected with the screwed hole 24
One end there is the external screw thread corresponding with the screwed hole 24, consolidated by way of being spirally connected, and seal.
In this technical scheme, during use, bolt is used for the position of weld bolt through part, and bolt passes zero
The threaded portion of part is inserted in be connected with bottom electrode 2 in electrode cap 20, and bottom electrode 2 is fixed, and Top electrode 1 moves down, positioned at spiral shell
The head of bolt, between part is pressed in into upper/lower electrode 2, the controlling switch of feeder can be connected with the switch of welding, i.e.,
When opening welding switch is welded, the controlling switch of feeder is opened simultaneously, is blown, is entered into the electrode tie rod 23
Enter in the hole that gas in electrode tie rod 23 is used to the threaded portion of bolt run through by electrode cap 20 until bolt and part connect
Blown out in tactile slit, efficiently avoid the threaded portion that welding slag bolt falls to bolt with the slit of the contact of part, and then
Fall in electrode tie rod 23, not only can damaged screw, while when welding slag is deposited in electrode tie rod 23, worker also needs to stop
Work carries out the problem of welding slag cleaning, moreover, gas has cooling effect simultaneously, even if there is a small amount of welding slag inevitably still logical
The threaded portion for crossing bolt reaches in electrode tie rod 23 all the way, when it passes through the threaded portion of bolt, due to the cooling effect of gas,
Also welding slag can be made to cool down and can not adhere on nut；
Nut is positioned over the position that part is used for welded nut, and part is located in electrode cap 20 to be connected with bottom electrode 2, under
Electrode 2 is fixed, and Top electrode 1 moves down, positioned at the top of nut, between part is pressed in into upper/lower electrode 2, feeder
Controlling switch can be connected with the switch of welding, can not also be connected with the switch of welding, if its connect, its operation principle
It is identical during with top bolt welding, i.e., open simultaneously,, can be first because welding slag is less caused by welded nut if be not connected to
First opening welding switch imposes electric current and welded, and is flowed through using electric current caused by contact surface and the adjacent domain of part and nut
Resistance fuel factor is heated to fusing, is allowed to combine, and when a certain amount of welding slag of residual needs cleaning in electrode tie rod 23, supplies
The controlling switch of device of air is opened, and is blown into the electrode tie rod 23, is blown out welding slag into the gas in electrode tie rod 23,
It is faster, more thoroughly clear up welding slag during compared to no gas supply assembly 3.
In another technical solution, the lower surface of electrode cap 20 coaxially has a columnar projections 21, wherein, the electricity
The inwall upper end of pole connecting rod 23 has internal thread, and the columnar projections 21 have the internal thread with the inwall upper end of electrode tie rod 23
The external screw thread to match, the electrode cap 20 and the electrode tie rod 23 are spirally connected, using the technical scheme, connected by screw thread
The mode connect is affixed by the electrode cap 20 and the electrode tie rod 23, and mode is easy and effective.
In another technical solution, described welding electrode head, in addition to positioned at bottom in the electrode tie rod 23
Hollow disc 4, the bottom surface fitting that the bottom surface of the hollow disc 4 is connected with the electrode tie rod 23 and electrode tip holder 25 are described to connect
First 30 one end in the electrode tie rod 23 connects with the hollow disc 4, i.e., described hollow disc 4 connects with the electrode
The relative position of the screwed hole 24 of bar 23 is same to be had described in a cavernous structure, joint 30 enter after being spirally connected with the screwed hole 24
One in electrode tie rod 23 corrects and is connected with the cavernous structure of the hollow disc 4, the place sealing of connection, gas is led to
Entering hollow disc 4, it is circular the first opening and the second opening that the upper surface of hollow disc 4, which coaxially offers, i.e., and the
The center of circle of one opening and the second opening overlaps with the center of circle of the upper surface of hollow disc 4, wherein, in the axial direction through described
Electrode cap 20 has perforation 22, in weld bolt the perforation 22 be used to pass through the threaded portion of bolt, during welded nut, this is worn
Hole 22 and the centre bore of nut are oppositely arranged, and the radius of the perforation 22 is less than the exradius of the described first opening, more than institute
State the inner circle radius of the first opening, the inner circle radius of second opening is more than the exradius of the described first opening, and described the
Two opening covers set a truncated cone-shaped conduit 40, i.e., the inner cylinder of truncated cone-shaped conduit 40 and the bottom of outer barrel are respectively at the described second opening
Inner circle and cylindrical sealing are affixed, and the sidewall slope of the truncated cone-shaped conduit 40 is set, and the size at its inclination angle is according to described second
The inside and outside circle radius size that is open and the perforation 22 determine, so as to reach the gas of catheter tip described in by the second opening
The circumferential of 22 lower ends of perforating is sprayed, and using the technical scheme, passes through disk, the first opening, the second opening and truncated cone-shaped conduit
40 setting, the gas for making to enter in electrode tie rod 23 are directly toward the circumferential injection of 22 lower ends of the perforation, energy by disk
Enough functions for cooling using gas is entered to greatest extent and blowing out welding slag.
In another technical solution, the diameter of the lateral cross section of the hollow disc 4 is slightly less than the electrode tie rod 23
Inner circle radius so that the hollow disc 4 is just arranged in the inwall of the electrode tie rod 23 and can freely up and down moved,
The upper surface of hollow disc 4 circumferentially sets enclosing 41 straight up, so that the outer surface of the enclosing 41 connects with the electrode
The inwall contact of bar 23, the first opening cover set a cylindrical conduit 42, the i.e. bottom of the inner cylinder of cylindrical conduit 42 and outer barrel
End is affixed respectively at the inner circle of the described first opening and cylindrical sealing, and using the technical scheme, the setting of enclosing 41 makes to fall into electricity
Welding slag in pole connecting rod 23 is stored in enclosing 41 and the upper surface of hollow disc 4, is easy to the cleaning of welding slag, cylindrical conduit 42
Setting be gas preferably with it is described perforation 22 lower surface contact while, welding slag can be effectively prevented from and opened by first
The problem of mouthful falling into hollow disc 4, and causing to clear up difficulty.
In another technical solution, the electrode tie rod 23 is located between its internal thread lower end and the screwed hole 24
Strip projected parts are vertically provided with inwall, it is described raised towards the axial direction of electrode tie rod 23 protrusion, it is described hollow
The upper side of disk 4 has the groove 43 corresponding with the strip projected parts, so that the hollow disc 4 erects along the strip projected parts
When directly sliding downwards to the bottom of the electrode tie rod 23, the depression direction of the groove 43 is located at one with the screwed hole 24
Straight line, the groove 43 have a through hole, the joint 30 be located at one end in the electrode tie rod 23 by through hole with it is described
Hollow disc 4 connects, i.e., the position that the groove 43 of described hollow disc 4 is relative with the screwed hole 24 of the electrode tie rod 23 is same
With a through hole, joint 30 be spirally connected with the screwed hole 24 after enter the electrode tie rod 23 in one correct with it is described hollow
The through hole connection of disk 4, the place sealing of connection, is passed through hollow disc 4, using the technical scheme, strip projected parts by gas
With the setting of groove 43, hollow disc 4 can be preferably set to be connected with the joint 30.
In another technical solution, the height of the cylindrical conduit 42 is higher than the height of the truncated cone-shaped conduit 40,
Using the technical scheme, the residue between the cylindrical conduit 42 and the truncated cone-shaped conduit 40 can be effectively avoided
Preferably fall into bottom.
In another technical solution, be detachably rotatably connected a handle 44 in the inner tube of the cylindrical conduit 42, adopts
With the technical scheme, the setting of handle 44 can make operating personnel preferably handle hollow disc 4 and in hollow disc 4
Residue.
In another technical solution, described welding electrode head, in addition to：
Spring 5, its bottom is fixed in the electrode tip holder 25 vertically, and the spring 5 is located in the electrode tie rod 23；
Insulated dowel 6, it is fixed in the one end of the spring 5 away from the electrode tip holder 25 vertically, and top passes through electricity
Polar cap 20 is simultaneously higher than the upper surface of electrode cap 20；
Wherein, the 1 bottom up concave shape of Top electrode is coaxial into blind hole 7, the blind hole 7 and the insulated dowel 6
Set, using the technical scheme, when needing welded nut, insulated dowel nut more than 6 can be all used to avoid nut from being partially welded
Positioned, but even if being positioned using insulated dowel 6, alignment pin upper end is taper, meeting during Top electrode 1 pushes
Insulated dowel 6 is first contacted, nut is just touched after insulated dowel 6 is pushed into a segment distance, in the process, insulation positioning
Pin 6 can not play positioning action completely, and nut still has the risk being partially welded, Gu opened up in the bottom up depression of the Top electrode 1
Blind hole 7, Top electrode 1 can first contact nut during pushing, then alignment pin is pressed down, and positioning action is unaffected, and is had
The problem of effect avoids being partially welded.
Number of devices and treatment scale described herein are for simplifying explanation of the present utility model.To the utility model
The application of welding electrode head, modifications and variations will be readily apparent to persons skilled in the art.
Although embodiment of the present utility model is disclosed as above, it is not restricted in specification and embodiment
Listed utilization, it can be applied to various suitable fields of the present utility model completely, for those skilled in the art,
Other modification is easily achieved, therefore under the universal limited without departing substantially from claim and equivalency range, this reality
Specific details is not limited to new and shown here as the legend with description.
Claims (8)
- A kind of 1. welding electrode head, it is characterised in that including：Top electrode；Bottom electrode, it includes electrode cap, electrode tie rod and the electrode tip holder being detachably connected successively from top to bottom, wherein, the electricity Pole connecting rod is hollow cylindrical configuration, and the side wall lower ends of the electrode tie rod, which run through, has screwed hole；Gas supply assembly, it includes the joint and connected with the joint other end that one end connected by screwed hole with the electrode tie rod Tracheae, the tracheae connects with a feeder.
- 2. welding electrode head as claimed in claim 1, it is characterised in that the electrode cap lower surface coaxially has a column convex Rise, wherein, the electrode tie rod inwall upper end has internal thread, and the columnar projections have and the electrode tie rod inwall upper end The external screw thread that matches of internal thread, the electrode cap and the electrode tie rod are spirally connected.
- 3. welding electrode head as claimed in claim 2, it is characterised in that also include in bottom in the electrode tie rod Empty disk, one end that the joint is located in the electrode tie rod connect with the hollow disc, the hollow disc upper surface Coaxial offer is circular the first opening and the second opening, wherein, have through the electrode cap wear in the axial direction Hole, the radius of the perforation are less than the exradius of the described first opening, more than the inner circle radius of the described first opening, described the The inner circle radius of two openings is more than the exradius of the described first opening, and the second opening cover sets a truncated cone-shaped conduit, so that The gas that catheter tip is reached by the second opening sprays towards the circumferential of perforation lower end.
- 4. welding electrode head as claimed in claim 3, it is characterised in that the diameter of the lateral cross section of the hollow disc is smaller In the inner circle radius of the electrode tie rod, the hollow disc upper surface circumferentially sets enclosing straight up, outside the enclosing Surface contacts with the inwall of the electrode tie rod, and the first opening cover sets a cylindrical conduit.
- 5. welding electrode head as claimed in claim 3, it is characterised in that the electrode tie rod is located at its internal thread lower end and institute State and strip projected parts are vertically provided with the inwall between screwed hole, have and the strip projected parts phase on the hollow disc Corresponding groove so that the hollow disc along the strip projected parts slide straight down to the bottom of the electrode tie rod when, The groove is located at straight line with the screwed hole, and the groove has a through hole, and the joint is located at the electrode tie rod Interior one end is connected by through hole with the hollow disc.
- 6. welding electrode head as claimed in claim 4, it is characterised in that the height of the cylindrical conduit is higher than the round platform The height of shape conduit.
- 7. welding electrode head as claimed in claim 4, it is characterised in that detachably rotated in the inner tube of the cylindrical conduit Connect a handle.
- 8. welding electrode head as claimed in claim 1, it is characterised in that also include：Spring, its bottom is fixed in the electrode tip holder vertically, and the spring is located in the electrode tie rod；Insulated dowel, it is fixed in the one end of the spring away from the electrode tip holder vertically, and top is simultaneously high through electrode cap In electrode cap upper surface；Wherein, the bottom up concave shape of the Top electrode is coaxially disposed into blind hole, the blind hole with the insulated dowel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720274601.0U CN206653070U (en) | 2017-03-21 | 2017-03-21 | Welding electrode head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720274601.0U CN206653070U (en) | 2017-03-21 | 2017-03-21 | Welding electrode head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206653070U true CN206653070U (en) | 2017-11-21 |
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ID=60315281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720274601.0U Active CN206653070U (en) | 2017-03-21 | 2017-03-21 | Welding electrode head |
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| Country | Link |
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| CN (1) | CN206653070U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109108451A (en) * | 2018-10-19 | 2019-01-01 | 湖北航嘉麦格纳座椅系统有限公司 | A kind of tooling device for sliding rail and projection welding bolt welding |
| CN110576246A (en) * | 2019-09-23 | 2019-12-17 | 哈尔滨工业大学 | Electric resistance welding method for preventing workpiece from being damaged |
| CN111843150A (en) * | 2020-08-04 | 2020-10-30 | 桐乡辰宇机械股份有限公司 | Gas joint structure for butt welding, butt welding equipment and butt welding method |
| CN111918744A (en) * | 2018-11-27 | 2020-11-10 | 株式会社Lg化学 | Resistance welder and method of manufacturing battery using the same |
-
2017
- 2017-03-21 CN CN201720274601.0U patent/CN206653070U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109108451A (en) * | 2018-10-19 | 2019-01-01 | 湖北航嘉麦格纳座椅系统有限公司 | A kind of tooling device for sliding rail and projection welding bolt welding |
| CN111918744A (en) * | 2018-11-27 | 2020-11-10 | 株式会社Lg化学 | Resistance welder and method of manufacturing battery using the same |
| US11945040B2 (en) | 2018-11-27 | 2024-04-02 | Lg Energy Solution, Ltd. | Electric resistance welder and method manufacturing battery using the same |
| CN110576246A (en) * | 2019-09-23 | 2019-12-17 | 哈尔滨工业大学 | Electric resistance welding method for preventing workpiece from being damaged |
| CN110576246B (en) * | 2019-09-23 | 2021-07-06 | 哈尔滨工业大学 | Electric resistance welding method for preventing workpiece from being damaged |
| CN111843150A (en) * | 2020-08-04 | 2020-10-30 | 桐乡辰宇机械股份有限公司 | Gas joint structure for butt welding, butt welding equipment and butt welding method |
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