CN202067912U - Grounding clamp for spot welder - Google Patents
Grounding clamp for spot welder Download PDFInfo
- Publication number
- CN202067912U CN202067912U CN2011201046663U CN201120104666U CN202067912U CN 202067912 U CN202067912 U CN 202067912U CN 2011201046663 U CN2011201046663 U CN 2011201046663U CN 201120104666 U CN201120104666 U CN 201120104666U CN 202067912 U CN202067912 U CN 202067912U
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- electric conductor
- pole
- welding machine
- spot welding
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Abstract
The utility model provides a grounding clamp for a spot welder. The grounding clamp comprises a clamp holder body, a length-adjustable supporting rod and an electric conductor, wherein at least one magnetic attraction pin is arranged at the bottom of the clamp holder body; the length-adjustable supporting rod is mounted on the clamp holder body; and the electric conductor is mounted on the length-adjustable supporting rod, deviates from the magnetic attraction pin, and comprises two connecting terminals, and at least one connecting terminal can prop against the bottom plane of the magnetic attraction pin when the length of the length-adjustable supporting rod is increased. The grounding clamp is attracted on the surface of a welded material through the magnetic attraction pin, and the electric conductor for current circulation deviates from the magnetic attraction pin, so that the magnetic attraction pin is prevented from demagnetization. The electric conductor is propped against the surface of the welded material through the length-adjustable supporting rod, so that the electric conductor is in close contact with the welded material, and during disassembly, the distance between the electric conductor and the welded material can be adjusted to facilitate the unplugging of the magnetic attraction pin. The grounding clamp for the spot welder has the advantages of reasonable design, reliability in use and convenience in operation.
Description
Technical field
The utility model relates to a kind of jockey, especially a kind of spot welding machine earth clip.
Background technology
Spot welding machine is that the high-temperature electric arc that utilizes the two poles of the earth of cable clip to produce when instantaneous short circuit comes scolder and the materials to be welded on the consumable electrode, realizes the combination of scolder and materials to be welded.Usually, when using the spot welding machine welding, need be with materials to be welded connecting to neutral electromotive force, make to form the loop between the zero potential of the high-pressure side of spot welding machine and materials to be welded, finish welding.
Existing materials to be welded earthing mode has following several: the one,, directly materials to be welded is placed on the ground, but some materials to be welded is not suitable for this mode, for example, the reparation of body of a motor car panel beating is insulated between the tire of automobile and the earth; The 2nd,, adopt cable clip, cable clip is the earth cable that an end is provided with metal clip, in use, need find suitable retaining part to fix on materials to be welded; The 3rd,, adopt ground connection copper sheet interconnection system, an end of earth cable is provided with a copper sheet with holes, at meson of materials to be welded surface soldered, copper sheet with holes is enclosed within on the meson, and by hold-down mechanism (as pull hook) copper sheet is compressed copper sheet is connected with materials to be welded; The 4th,, adopt the magnetic force earth clip, the cylindrical ground connection copper of magnetic force earth clip connects fixes a ring bodies magnet on the outer peripheral face of chewing, utilize the magnetic attracting force of magnet, the ground connection copper of earth cable connect to chew be fixed on the materials to be welded, but, the magnetic force earth clip in use because the electric current of grounded circuit passes magnet, alternating current produces alternating magnetic field, make the magnet on the magnetic force earth clip demagnetize, after using a period of time, the magnetic force earth clip can't hold materials to be welded.
Summary of the invention
The purpose of this utility model provides a kind of spot welding machine earth clip easy to use, reliable.
For realizing above-mentioned purpose, the spot welding machine earth clip that the utility model provides comprises clipping base, and the clipping base bottom is provided with at least one magnetic and inhales pin; Adjustable-length pole is installed on the clipping base; Electric conductor, be installed in that adjustable-length pole is gone up and with magnetic inhale pin from, have two and connect terminations, wherein at least one connects termination can arrive to magnetic suction pin place when adjustable-length pole extended length baseplane.
By such scheme as seen, magnetic is inhaled pin and is inhaled on materials to be welded by magnetic force, thereby clipping base is fixed on the materials to be welded, one of electric conductor inhales connection termination and the materials to be welded of the baseplane at pin place and contacts when being connected when can arrive to magnetic, another connects termination connection earth cable electric conductor, thereby can between the ground connection zero potential of the high-pressure side of spot welding machine and materials to be welded, form the loop, can finish welding.Since electric conductor and magnetic inhale pin from, the magnetic that magnetic is inhaled pin can not be subjected to the circuit loop influence, thus can because of service time length not demagnetize, thereby can guarantee reliable connection between earth clip and the welding material.In addition, when earth clip need can separate electric conductor earlier by the length of regulating adjustable-length pole when materials to be welded is taken down with materials to be welded, inhale pin from the materials to be welded surface isolation to make things convenient for magnetic.
A preferred scheme is, clipping base is toxoplasm, and two length end outwards is bent to form support end respectively, and magnetic is inhaled pin and is fixedly mounted on support end.During use, two magnetic are inhaled pin and closely are connected with materials to be welded by magnetic attraction, and clipping base is fixed on the materials to be welded.
A preferred scheme is that it is discoid magnet body that magnetic is inhaled pin.Discoid magnet body and materials to be welded contact area are bigger, and suction is stronger, make clipping base fixed.
Further scheme is, the middle part of clipping base is provided with the vertical axis hole of an axis, and adjustable-length pole is installed in the described axis hole.Adjustable-length pole is positioned at clipping base middle part, and the vertical direction setting, make two support ends of adjustable-length pole and clipping base from, thereby be connected on the adjustable-length electric conductor and magnetic suction pin from.
Further scheme is, adjustable-length pole comprises pole, the length of pole is at least greater than the height of clipping base, pole upper end is passed behind the axis hole of clipping base spacing by nut, the lower end of pole is connected with electric conductor after passing a limit spring, the top of limit spring is against on the clipping base, and the bottom of limit spring is against on the electric conductor.During use, work as fastening nut, limit spring is compressed, and moves on the pole, so electric conductor separates with materials to be welded; When unscrewing nut, limit spring is opened, pole moves down, so electric conductor can arrive to the materials to be welded surface and closely contact with materials to be welded, a connection termination of electric conductor is connected with materials to be welded, another connection termination of electric conductor is connected with earth cable again, materials to be welded ground connection then can form the loop between the high-pressure side of the ground connection zero potential of materials to be welded and spot welding machine, realize welding.
Further scheme is, the cylinder copper that it is vertical that electric conductor comprises an axis connects to be chewed, and copper connects chews the lower surface for connecting the termination; Connect with copper and to chew the bronze medal brace that upper surface contact is connected, the copper brace has the connection termination with holes that level is stretched out.Employing has the copper metal of excellent conductive performance, and resistance value is little, avoids electric current to flow away from all the other branch roads.During use, the copper of electric conductor connects to be chewed the lower surface and can be well be connected with the contact of materials to be welded surface, and the copper brace of electric conductor can contact with earth cable and be connected, thereby with materials to be welded ground connection.
Further scheme is that a handle is set on the clipping base again.The handle personnel operation clipping base that is convenient to operation, the convenient use.
Description of drawings
Fig. 1 is the three-dimensional structure diagram of the utility model embodiment;
Fig. 2 is the three-dimensional exploded view of present embodiment;
Fig. 3 is the user mode figure of present embodiment.
The utility model is described in further detail below in conjunction with drawings and Examples.
Embodiment
Referring to Fig. 1,2, the spot welding machine earth clip.
A clipping base is arranged, and clipping base is the bow-shaped support 3 that is formed by a rectangle iron plate bending, and two length end outwards is bent to form support end respectively.Offer a circular hole 301 respectively on two support ends of bow-shaped support 3, at the bow-shaped support middle part axis hole that axis is vertical is set, establish a beam barrel 302 on the axis hole, the beam barrel upper end is provided with small-bore tapered portion.
Two discoid magnet body 8 are fixed on the bottom surface of two support ends respectively by countersunk head screw 9, plain washer 6, bullet packing ring 5 and lid female 4.
The cylindrical brass screw rod 10 of thin ends and thick middle ladder, the diameter of its epimere cylinder 1001 are less than the internal diameter of beam barrel 302, and the diameter of its stage casing cylinder 1002 is equipped with screw thread greater than the minimum diameter of beam barrel 302 on its epimere cylinder and the hypomere cylinder.The length of brass screw rod 10 is greater than the height of bow-shaped support 3.
It is spacing by nut 2 that the threaded end of the epimere cylinder 1001 of brass screw rod 10 passes beam barrel 302 backs, and cover one limit spring 7 fixedly mounts electric conductor on the hypomere cylinder 1003 on the stage casing cylinder 1002.The top of limit spring 7 is against the lower surface of bow-shaped support 3, and the bottom of limit spring 7 is against the electric conductor upper surface.
Electric conductor comprises that a copper connects and chews 12 and be positioned at copper and connect to chew 12 tops and connect with copper and chew the copper brace 11 that is connected of contact.Copper brace 11 is a microscler copper coin, is respectively equipped with a circular hole on the two end plates face of copper coin length direction, and one of them circular hole aperture is slightly larger than the diameter of the hypomere cylinder 1003 of brass screw rod 10, and another circular hole is used for being connected with earth cable 13.Copper brace 11 is sleeved on the brass screw rod hypomere cylinder 1003, and copper brace 11 is limited by the lower surface of stage casing cylinder 1002 up, copper brace 11 down by the copper with hypomere cylinder 1003 threaded engagement connect chew 12 limit.And the plate face of copper brace 11 is greater than the diameter of limit spring 7, and limit spring 7 is limited by copper brace 11 down.
Fix a T-handle 1 at the top of brass screw rod 10, T-handle 1 is positioned at the top of nut 2.
The use principle of present embodiment
Referring to Fig. 3, there is shown and be fixed on a spot welding machine earth clip on the panel beating to be repaired 14.
Two discoid magnet body 8 of spot welding machine earth clip are adsorbed on panel beating 14 surfaces.By transferring loose nut 2, spring 7 opens, and brass screw rod 10 moves down, and copper is connect chew 12 to be pressed on panel beating 14 surfaces.An end that stretches out outwardly of copper brace 11 is connected with earth cable 13.So the spot welding machine earth clip is with panel beating 14 ground connection.Use spot welding machine, the high-pressure side of spot welding machine with form the loop between the electromotive force zero point of panel beating 14, can finish welding, be used for panel beating is repaired for example body of a motor car panel beating reparation.
After finishing welding, when the spot welding machine earth clip is taken off, fastening nut 2, spring is compressed, and moves on the brass screw rod 10, and the copper joint is chewed and is left the panel beating surface.Treat copper joint chew with the panel beating surface when the segment distance, can as 30 ° or 45 °, make discoid magnet body and panel beating surface contact area reduce, thereby suction reduce spot welding machine earth clip inclination certain angle, can easily pull up the spot welding machine earth clip.
The utility model embodiment: adopt discoid magnet body to be adsorbed on the materials to be welded surface, can any damage not arranged to the materials to be welded surface; And the circuit that forms the loop can not make the magnet demagnetization without magnet; In addition, the spring of employing compresses screw-rod structure and copper is connect chew with materials to be welded and contact well, during dismounting, copper is connect chew adjusting with away from the materials to be welded surface, make things convenient for magnet body from the materials to be welded surface tilt pull up.
The utility model reasonable in design, use reliable, easy to operate.
Certainly, the foregoing description only is the preferable embodiment of the utility model, during practical application more variation can also be arranged, for example, clipping base is not the bow-shaped support with two support ends, but has the support of three or four legs, can make a plurality of legs be distributed in the periphery of frame bottom, and beam barrel is arranged on the central authorities of support, with guarantee magnet body and electric conductor with a certain distance from; Perhaps, copper connects the shape of chewing with the copper brace and also can change to some extent, has an end face that contacts with materials to be welded as long as assurance copper joint is chewed, and the copper brace has a termination that is connected with earth cable; Or the axis of beam barrel is not a vertical direction, but tilt, but the direction that beam barrel tilts can guarantee that electric conductor can be near magnet body; Again or, can be by on the brass screw rod, projection being set, the bottom that is used for restraining spring can not come off from the brass screw rod, and the upper surface of copper brace is limited in the fixed position on the brass screw rod etc., and these changes can realize the purpose of this utility model equally.
It is emphasized that at last; the utility model is not limited to above-mentioned execution mode, adopts telescopic strut, the electric conductor of adjustable length to adopt the good variations such as other metals of electric conductivity also should be included in the protection range of the utility model claim as the adjustable-length pole that structures such as brass screw rod and spring are formed.
Claims (7)
1. spot welding machine earth clip is characterized in that:
Comprise
Clipping base, described clipping base bottom is provided with at least one magnetic and inhales pin;
Adjustable-length pole is installed on the described clipping base;
Electric conductor, be installed in that described adjustable-length pole is gone up and with described magnetic inhale pin from, have two and connect terminations, wherein at least one connects termination can arrive to described magnetic suction pin place when described adjustable-length pole extended length baseplane.
2. spot welding machine earth clip according to claim 1 is characterized in that:
Described clipping base is toxoplasm, and two length end outwards is bent to form support end respectively, and described magnetic is inhaled pin and is fixedly mounted on described support end.
3. spot welding machine earth clip according to claim 2 is characterized in that:
It is discoid magnet body that described magnetic is inhaled pin.
4. spot welding machine earth clip according to claim 2 is characterized in that:
The middle part of described clipping base is provided with the vertical axis hole of an axis, and described adjustable-length pole is installed in the described axis hole.
5. spot welding machine earth clip according to claim 4 is characterized in that:
Described adjustable-length pole comprises
Pole, the length of described pole is at least greater than the height of described clipping base, described pole upper end is passed behind the axis hole of described clipping base spacing by nut, the lower end of described pole is connected with described electric conductor after passing a limit spring, the top of described limit spring is against on the described clipping base, and the bottom of described limit spring is against on the described electric conductor.
6. according to each described spot welding machine earth clip of claim 1 to 5, it is characterized in that:
Described electric conductor comprises
The vertical cylinder copper of one axis connects to be chewed, and described copper connects chews the lower surface for connecting the termination;
Connect with described copper and to chew the bronze medal brace that upper surface contact is connected, described copper brace has the connection termination with holes that level is stretched out.
7. spot welding machine earth clip according to claim 6 is characterized in that:
A handle is set on the described clipping base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201046663U CN202067912U (en) | 2011-04-11 | 2011-04-11 | Grounding clamp for spot welder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201046663U CN202067912U (en) | 2011-04-11 | 2011-04-11 | Grounding clamp for spot welder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202067912U true CN202067912U (en) | 2011-12-07 |
Family
ID=45061766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201046663U Expired - Fee Related CN202067912U (en) | 2011-04-11 | 2011-04-11 | Grounding clamp for spot welder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202067912U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102938509A (en) * | 2012-11-21 | 2013-02-20 | 无锡三虹重工机械设备有限公司 | Grounding conduction device for welding |
| CN103414034A (en) * | 2013-07-26 | 2013-11-27 | 河南省电力公司信阳供电公司 | High-voltage discharging rod |
| CN104901036A (en) * | 2015-06-15 | 2015-09-09 | 上海翼锐汽车科技有限公司 | Grounding device for arc-welding clamp |
| CN104977446A (en) * | 2015-06-15 | 2015-10-14 | 苏州市新瑞奇节电科技有限公司 | Smart electric meter with magnetic brackets |
| CN105356075A (en) * | 2015-11-23 | 2016-02-24 | 国网天津市电力公司 | Novel grounding wire clamp for ferromagnetic material grounding down lead |
| CN106058513A (en) * | 2016-06-14 | 2016-10-26 | 河南许继仪表有限公司 | Electrification joint |
| CN106984893A (en) * | 2017-04-19 | 2017-07-28 | 江门市保值久机电有限公司 | The welding elastic ground wire of hand pressure |
| CN107509295A (en) * | 2017-07-06 | 2017-12-22 | 盐城新奥燃气有限公司 | A kind of anti-explosion magnetic chuck |
| CN107716609A (en) * | 2017-10-31 | 2018-02-23 | 佛山职业技术学院 | A kind of metal plate repair tool |
| CN107999940A (en) * | 2017-12-12 | 2018-05-08 | 江门市保值久机电有限公司 | A kind of magnetic force ground wire |
| CN108493633A (en) * | 2018-04-02 | 2018-09-04 | 江门市保值久机电有限公司 | Rifle compression elasticity is grounded |
-
2011
- 2011-04-11 CN CN2011201046663U patent/CN202067912U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102938509A (en) * | 2012-11-21 | 2013-02-20 | 无锡三虹重工机械设备有限公司 | Grounding conduction device for welding |
| CN103414034A (en) * | 2013-07-26 | 2013-11-27 | 河南省电力公司信阳供电公司 | High-voltage discharging rod |
| CN104901036A (en) * | 2015-06-15 | 2015-09-09 | 上海翼锐汽车科技有限公司 | Grounding device for arc-welding clamp |
| CN104977446A (en) * | 2015-06-15 | 2015-10-14 | 苏州市新瑞奇节电科技有限公司 | Smart electric meter with magnetic brackets |
| CN105356075A (en) * | 2015-11-23 | 2016-02-24 | 国网天津市电力公司 | Novel grounding wire clamp for ferromagnetic material grounding down lead |
| CN106058513A (en) * | 2016-06-14 | 2016-10-26 | 河南许继仪表有限公司 | Electrification joint |
| WO2018192225A1 (en) * | 2017-04-19 | 2018-10-25 | 翁良轩 | Hand-pressure elastic ground wire for welding |
| CN106984893A (en) * | 2017-04-19 | 2017-07-28 | 江门市保值久机电有限公司 | The welding elastic ground wire of hand pressure |
| CN107509295B (en) * | 2017-07-06 | 2019-11-19 | 盐城新奥燃气有限公司 | A kind of anti-explosion magnetic collet |
| CN107509295A (en) * | 2017-07-06 | 2017-12-22 | 盐城新奥燃气有限公司 | A kind of anti-explosion magnetic chuck |
| CN107716609A (en) * | 2017-10-31 | 2018-02-23 | 佛山职业技术学院 | A kind of metal plate repair tool |
| CN107716609B (en) * | 2017-10-31 | 2024-03-19 | 佛山职业技术学院 | Metal plate repairing tool |
| CN107999940A (en) * | 2017-12-12 | 2018-05-08 | 江门市保值久机电有限公司 | A kind of magnetic force ground wire |
| CN107999940B (en) * | 2017-12-12 | 2024-03-26 | 江门市保值久机电有限公司 | Magnetic ground wire |
| CN108493633A (en) * | 2018-04-02 | 2018-09-04 | 江门市保值久机电有限公司 | Rifle compression elasticity is grounded |
| CN108493633B (en) * | 2018-04-02 | 2024-03-15 | 江门市保值久机电有限公司 | Gun pressure elastic grounding wire |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111207 Termination date: 20200411 |