CN107309582B - Electrode welding head - Google Patents

Electrode welding head Download PDF

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Publication number
CN107309582B
CN107309582B CN201710765378.4A CN201710765378A CN107309582B CN 107309582 B CN107309582 B CN 107309582B CN 201710765378 A CN201710765378 A CN 201710765378A CN 107309582 B CN107309582 B CN 107309582B
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CN
China
Prior art keywords
electrode
welding head
head clamp
clamp
guide
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Application number
CN201710765378.4A
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Chinese (zh)
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CN107309582A (en
Inventor
李远波
吴德成
陈龙
曹阳
袁甜
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Guangdong University of Technology
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Guangdong University of Technology
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Priority to CN201710765378.4A priority Critical patent/CN107309582B/en
Publication of CN107309582A publication Critical patent/CN107309582A/en
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Publication of CN107309582B publication Critical patent/CN107309582B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/02Carriages for supporting the welding or cutting element
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/02Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
    • B23K35/0255Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in welding
    • B23K35/0261Rods, electrodes, wires

Abstract

The invention discloses an electrode welding head, which comprises a welding head body and a welding head clamp, wherein the welding head body comprises a first electrode and a second electrode, and the first electrode and the second electrode are of split structures; the welding head clamp comprises a first welding head clamp and a second welding head clamp, and a gap is formed between the first welding head clamp and the second welding head clamp; the first electrode is adjustably fixed on the first welding head clamp, the second electrode is adjustably fixed on the second welding head clamp, the first electrode and the second electrode are arranged at an included angle, and the tail end of the first electrode is kept to be in contact with the tail end of the second electrode at a first tip end. Above-mentioned electrode bonding tool only needs to adjust first bonding tool and second bonding tool and presss from both sides, make first pointed end and second pointed end keep the contact can, can make the most of first electrode and second electrode utilized like this, and then avoid the most end loss of bonding tool to lead to the condemned problem of whole electrode bonding tool.

Description

electrode welding head
Technical Field
The invention relates to the technical field of welding, in particular to an electrode welding head.
Background
An existing electrode welding head is shown in fig. 1 and comprises a welding head body, wherein the welding head body comprises a first electrode 1 and a second electrode 2 which are respectively communicated with two poles of a power supply, a gap 3 is formed between the first electrode 1 and the second electrode 2 in parallel and a matching surface, the first electrode 1 is provided with a first tip 4, the tail end of the second electrode 2 is provided with a second tip 5, the first tip 4 and the second tip 5 are of an integrated structure, and an insulating glue layer is arranged in the gap 3 between the first electrode 1 and the second electrode 2 and used for preventing the welding head from short circuit in the using process.
The welding head structure mainly has the following defects: firstly, the fit surface gap between the first electrode and the second electrode is small, and the operation difficulty of penetrating the insulating glue layer in the middle is large, so that the manufacture is relatively difficult; secondly, the bonding tool is in the continuous use process, and the connection position of first pointed end and second pointed end can be in high temperature state for a long time, and then the metal thermal fatigue of here leads to the contact surface impaired, just needs to grind the electrode point clean this moment, will lead to electrode point surplus to diminish after grinding the cleanness, and when the point ground completely, can lead to whole electrode bonding tool to scrap like this. The electrode is a high-temperature-resistant material with good conductivity, the material is generally tungsten, molybdenum or tungsten-molybdenum alloy, the price is high, once the electrode is scrapped, the whole electrode welding head cannot be reused, the parts above the first tip and the second tip are wasted, and the consumable is serious.
In summary, how to solve the problem that the tip of the welding head is worn out to cause the whole electrode welding head to be scrapped becomes a technical problem to be solved urgently by those skilled in the art.
Disclosure of Invention
It is an object of the present invention to provide an electrode horn that avoids the problem of the tip of the horn wearing out resulting in the scrapping of the entire electrode horn.
In order to achieve the above object, the present invention provides an electrode welding head, which includes a welding head body and a welding head clamp, wherein the welding head body includes a first electrode and a second electrode, and the first electrode and the second electrode are of a split structure;
The welding head clamp comprises a first welding head clamp and a second welding head clamp, and a gap is formed between the first welding head clamp and the second welding head clamp; the first electrode is adjustably fixed on the first welding head clamp, the second electrode is adjustably fixed on the second welding head clamp, the first electrode and the second electrode are arranged at an included angle, and the tail end of the first electrode is kept to be in contact with the tail end of the second electrode at a first tip end.
Preferably, a first guide cavity is arranged in the first welding head clamp, and the first electrode is in sliding fit with the first guide cavity along the length direction of the first electrode; and a second guide cavity is arranged in the second welding head clamp, and the second electrode is in sliding fit with the second guide cavity along the length direction of the second electrode.
preferably, a first locking screw for locking the position of the first electrode is arranged on the side wall of the first guide cavity; and a second locking screw for locking the position of the second electrode is arranged on the side wall of the second guide cavity.
Preferably, a first ejection screw abutting against the top of the first electrode is arranged at the top of the first guide cavity; and a second ejection screw abutted against the top of the second electrode is arranged at the top of the second guide cavity.
preferably, the first weld head clamp and the second weld head clamp are both of an upper-lower split structure.
Preferably, a first guide block penetrates through the first guide cavity, the first guide block is respectively connected with the upper part and the lower part of the first welding head clamp in a split welding mode, and the first electrode can slide along the first guide block; and a second guide block is arranged in the second guide cavity in a penetrating manner, the second guide block is respectively connected with the upper part and the lower part of the second welding head clamp in a split welding manner, and the second electrode can slide along the second guide block.
Preferably, an insulating member is provided in a gap between the first and second weld head holders.
preferably, a first protrusion is arranged on a matching surface of the insulating part and the first welding head clamp, and a first groove matched with the first protrusion is arranged at a position of the first welding head clamp corresponding to the first protrusion; the fitting surface of the insulating part and the second welding head clamp is provided with a second protrusion, and a second groove matched with the second protrusion is formed in the position, corresponding to the second protrusion, of the second welding head clamp.
Preferably, the cross-section of the first electrode and the cross-section of the second electrode are both tapered.
preferably, the cross-section of the first electrode and the cross-section of the second electrode are both semi-cylindrical.
Compared with the introduction content of the background technology, the electrode welding head comprises a welding head body and a welding head clamp, wherein the welding head body comprises a first electrode and a second electrode which are of a split structure; the welding head clamp comprises a first welding head clamp and a second welding head clamp, and a gap is formed between the first welding head clamp and the second welding head clamp; the first electrode is adjustably fixed on the first welding head clamp, the second electrode is adjustably fixed on the second welding head clamp, the first electrode and the second electrode are arranged in an included angle, and a first tip at the tail end of the first electrode is kept to be in contact with a second tip at the tail end of the second electrode. Above-mentioned electrode bonding tool, at first with first bonding tool clamp and second bonding tool clamp respectively with the two poles of the earth intercommunication of power in the use, because the arrangement of the split type structure of first electrode and second electrode, and it is adjustable fixed through first bonding tool clamp and second bonding tool clamp respectively, make and can directly grind the back and continue to be used after the first pointed end of first electrode end and the terminal second pointed end of second electrode take place the consume, only need adjust first bonding tool clamp and second bonding tool clamp, make first pointed end and second pointed end keep in touch can, so can make most of first electrode and second electrode can be utilized, and then avoid the most consume of bonding tool to lead to the condemned problem of whole electrode bonding tool totally.
Drawings
FIG. 1 is a schematic diagram of a conventional electrode horn;
fig. 2 is a schematic diagram of an exploded structure of an electrode horn provided in accordance with an embodiment of the present invention;
Fig. 3 is a schematic view of the overall structure of an electrode bonding tool according to an embodiment of the present invention.
In the above figures 1-3 of the drawings,
The welding head comprises a first electrode 1, a second electrode 2, a gap 3, a first tip 4, a second tip 5, a first welding head clamp 6, a second welding head clamp 7, a first locking screw 8, a second locking screw 9, a first ejection screw 10, a second ejection screw 11, a first guide block 12, a second guide block 13, an insulating part 14, a first protrusion 15, a first groove 16, a second protrusion 17 and a second groove 18.
Detailed Description
The core of the invention is to provide an electrode welding head to avoid the problem that the tip of the welding head is worn out to cause the whole electrode welding head to be scrapped.
In order to make those skilled in the art better understand the technical solutions provided by the present invention, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 2 and fig. 3, an electrode welding head according to an embodiment of the present invention includes a welding head body and a welding head holder, where the welding head body includes a first electrode 1 and a second electrode 2, and the first electrode 1 and the second electrode 2 are of a split structure; the welding head clamp comprises a first welding head clamp 6 and a second welding head clamp 7, and a gap is formed between the first welding head clamp 6 and the second welding head clamp 7; the first electrode 1 is adjustably fixed on the first welding head clamp 6, the second electrode 2 is adjustably fixed on the second welding head clamp 7, the first electrode 1 and the second electrode 2 are arranged at an included angle, and the first tip 4 at the tail end of the first electrode 1 is kept to be in contact with the second tip 5 at the tail end of the second electrode 2.
Above-mentioned electrode bonding tool, at first with first bonding tool clamp and second bonding tool clamp respectively with the two poles of the earth intercommunication of power in the use, because the arrangement of the split type structure of first electrode and second electrode, and it is adjustable fixed through first bonding tool clamp and second bonding tool clamp respectively, make and can directly grind the back and continue to be used after the first pointed end of first electrode end and the terminal second pointed end of second electrode take place the consume, only need adjust first bonding tool clamp and second bonding tool clamp, make first pointed end and second pointed end keep in touch can, so can make most of first electrode and second electrode can be utilized, and then avoid the most consume of bonding tool to lead to the condemned problem of whole electrode bonding tool totally.
In some specific embodiments, a first guiding cavity is arranged in the first welding head clamp 6, and the first electrode 1 is in sliding fit with the first guiding cavity along the length direction of the first electrode 1; a second guide cavity is arranged in the second welding head clamp 7, and the second electrode 2 is in sliding fit with the second guide cavity along the length direction of the second electrode 2. It should be noted that, the above is only a preferred example that the first electrode is adjustably fixed on the first welding head clamp and the second electrode is adjustably fixed on the second welding head clamp, and the first welding head clamp and the second welding head clamp are both clamping structures of a three-jaw caliper, and the extension lengths of the first electrode and the second electrode are adjusted by the tightness of the three-jaw caliper, but it is required to keep the first tip of the first electrode and the second tip of the second electrode in a contact state all the time, that is, the first electrode and the second electrode should be arranged at an angle so that the first electrode and the second electrode can keep tip contact.
In some more specific embodiments, the side wall of the first guide cavity is further provided with a first locking screw 8 for locking the position of the first electrode 1; and a second locking screw 9 for locking the position of the second electrode 2 is arranged on the side wall of the second guide cavity. The locking of the first electrode and the second electrode by the first locking screw and the second locking screw is only a preferred example of the electrode positioning and locking of the embodiment of the present invention, and may be other positioning and locking structures commonly used by those skilled in the art.
in a further embodiment, the top of the first guide cavity may be further provided with a first ejector screw 10 abutting against the top of the first electrode 1; the top of the second guide chamber may also be provided with a second ejector screw 11 abutting the top of the second electrode 2. The adjustment of the extension length of the first electrode is more convenient by arranging the first material ejecting screw, and the adjustment of the extension length of the second electrode is more convenient by arranging the second material ejecting screw.
In some more specific embodiments, in order to facilitate the processing of the first guide cavity and the second guide cavity, the first weld head holder 6 and the second weld head holder 7 can be designed to be of an upper-lower split structure. Compare with the axial direction at first welding head clamp directly process out first direction chamber and directly process out the second direction chamber at the axial direction of second welding head clamp, split type structure about the aforesaid can avoid the degree of depth of single processing, and processing is more convenient, and is lower some to the requirement of processing equipment.
In some specific embodiments, a first guide block 12 may be disposed through the first guide cavity, the first guide block 12 is welded to the upper and lower parts of the first welding head clamp 6, and the first electrode 1 can slide along the first guide block 12; a second guide block 13 is arranged to penetrate through the second guide cavity, the second guide block 13 is connected with the upper part and the lower part of the second welding head clamp 7 in a split welding mode respectively, and the second electrode 2 can slide along the second guide block 13. It should be noted that, the above-mentioned welding together the upper and lower split bodies of the first weld head holder by the first guide block and the welding together the upper and lower split bodies of the second weld head holder by the second guide block are only a preferable example of the upper and lower split body connection of the embodiment of the present invention, and may also be other split body connection manners commonly used by those skilled in the art, for example, a manner that a connection plate is disposed on the outer side of the weld head holder, and the connection plate is connected and fixed with the upper and lower split bodies by bolts, respectively, and the like. According to the invention, the guide block is respectively welded with the upper and lower split bodies, so that not only can the upper and lower split bodies be connected, but also the guide function of the guide block in sliding fit with the electrode can be realized.
In addition, a first guide pipe can also be arranged through the first welding head clamp 6, and the inner wall of the first guide pipe forms a first guide cavity; a second guide tube is arranged through the second welding head clamp 7, and the inner wall of the second guide tube forms a second guide cavity. The arrangement that makes first direction chamber and second direction chamber be the contained angle through arranging first stand pipe and second stand pipe realizes more easily that processing is more convenient, only needs to weld first stand pipe on first welding head clamp with certain angle, with second stand pipe with certain angle welding second welding head clamp can.
In a further embodiment, an insulating member 14 is provided in the gap between the first and second electrode holders 6 and 7. Because the first welding head clamp and the second welding head clamp need to be communicated with two poles of a power supply respectively in the using process of the electrode welding head, the short circuit between the first welding head clamp and the second welding head clamp can be avoided more effectively by arranging the insulating part 14.
In addition, in order to fix the insulating member more stably and reliably and avoid falling off, the specific structure of the welding head clamp can be that a first protrusion 15 is arranged on the matching surface of the insulating member 14 and the first welding head clamp 6, and a first groove 16 matched with the first protrusion 15 is arranged at the position of the first welding head clamp 6 corresponding to the first protrusion 15; the matching surface of the insulating part 14 and the second welding head clamp 7 is provided with a second protrusion 17, and the position of the second welding head clamp 7 corresponding to the second protrusion 17 is provided with a second groove 18 matched with the second protrusion 17. It will be understood, of course, that the above description is merely exemplary of the specific configuration of the insulating member in accordance with embodiments of the present invention, and that the insulating member may be bonded between the first and second solder head clips by an adhesive.
It should be noted that, the cross section of the first electrode 1 and the cross section of the second electrode 2 may be both tapered, or may be semi-cylindrical, or other corresponding structural shapes may be selected according to the requirements of actual production.
The electrode bonding tool provided by the present invention is described in detail above. It should be noted that, in the present specification, the embodiments are all described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.
It is further noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in an article or device that comprises the element.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims (7)

1. The electrode welding head is characterized by comprising a welding head body and a welding head clamp, wherein the welding head body comprises a first electrode (1) and a second electrode (2), and the first electrode (1) and the second electrode (2) are of a split structure;
The welding head clamp comprises a first welding head clamp (6) and a second welding head clamp (7), and a gap is formed between the first welding head clamp (6) and the second welding head clamp (7); the first electrode (1) is adjustably fixed on the first welding head clamp (6), the second electrode (2) is adjustably fixed on the second welding head clamp (7), the first electrode (1) and the second electrode (2) are arranged in an included angle, and a first tip (4) at the tail end of the first electrode (1) is kept to be in contact with a second tip (5) at the tail end of the second electrode (2);
A first guide cavity is arranged in the first welding head clamp (6), and the first electrode (1) is in sliding fit with the first guide cavity along the length direction of the first electrode (1); a second guide cavity is formed in the second welding head clamp (7), and the second electrode (2) is in sliding fit with the second guide cavity along the length direction of the second electrode (2);
The first welding head clamp (6) and the second welding head clamp (7) are both of an upper-lower split type structure;
A first guide block (12) penetrates through the first guide cavity, the first guide block (12) is respectively connected with the upper part and the lower part of the first welding head clamp (6) in a split welding mode, and the first electrode (1) can slide along the first guide block (12); a second guide block (13) penetrates through the second guide cavity, the second guide block (13) is respectively connected with the upper and lower split bodies of the second welding head clamp (7) in a welding mode, and the second electrode (2) can slide along the second guide block (13).
2. The electrode welding head according to claim 1, characterized in that the side wall of the first guide chamber is provided with a first locking screw (8) for locking the position of the first electrode (1); and a second locking screw (9) used for locking the position of the second electrode (2) is arranged on the side wall of the second guide cavity.
3. The electrode welding head according to claim 1, characterized in that the top of the first guide cavity is provided with a first knockout screw (10) that abuts the top of the first electrode (1); and a second ejection screw (11) abutted against the top of the second electrode (2) is arranged at the top of the second guide cavity.
4. The electrode welding head according to claim 1, characterized in that an insulating element (14) is arranged in the gap between the first (6) and the second (7) welding head holder.
5. The electrode welding head according to claim 4, characterized in that the mating surface of the insulating element (14) with the first welding head holder (6) is provided with a first projection (15), and the first welding head holder (6) is provided with a first recess (16) adapted to the first projection (15) at a position corresponding to the first projection (15); the fitting surface of the insulating piece (14) and the second welding head clamp (7) is provided with a second protrusion (17), and a second groove (18) matched with the second protrusion (17) is formed in the position, corresponding to the second protrusion (17), of the second welding head clamp (7).
6. The electrode welding head according to claim 1, characterized in that the cross section of the first electrode (1) and the cross section of the second electrode (2) are both conical.
7. The electrode welding head according to claim 1, characterized in that the cross-section of the first electrode (1) and the cross-section of the second electrode (2) are both semi-cylindrical.
CN201710765378.4A 2017-08-30 2017-08-30 Electrode welding head Active CN107309582B (en)

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Application Number Priority Date Filing Date Title
CN201710765378.4A CN107309582B (en) 2017-08-30 2017-08-30 Electrode welding head

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CN201710765378.4A CN107309582B (en) 2017-08-30 2017-08-30 Electrode welding head

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CN107309582B true CN107309582B (en) 2019-12-13

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Citations (2)

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US4789769A (en) * 1985-12-13 1988-12-06 Allan Warner Adjustable electrode holder
CN103192173A (en) * 2012-04-17 2013-07-10 广州微点焊设备有限公司 Tip contact type parallel electrode welding head

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CN1186164C (en) * 2002-06-05 2005-01-26 杨仕桐 Dual-head electric spot-welding machine
CN201950363U (en) * 2011-01-26 2011-08-31 吕华兵 Novel welding head clamp for micro-point electric welding machine
CN202155661U (en) * 2011-06-20 2012-03-07 珠海精易焊接设备有限公司 Holder of double-spot welding head
CN202219369U (en) * 2011-07-20 2012-05-16 宫中林 Multi-welding spot electric welder
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Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4789769A (en) * 1985-12-13 1988-12-06 Allan Warner Adjustable electrode holder
CN103192173A (en) * 2012-04-17 2013-07-10 广州微点焊设备有限公司 Tip contact type parallel electrode welding head

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