CN104107993A - Point welding spattering-protection device and point welding machine - Google Patents
Point welding spattering-protection device and point welding machine Download PDFInfo
- Publication number
- CN104107993A CN104107993A CN201410319737.XA CN201410319737A CN104107993A CN 104107993 A CN104107993 A CN 104107993A CN 201410319737 A CN201410319737 A CN 201410319737A CN 104107993 A CN104107993 A CN 104107993A
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- electrode
- protective jacket
- spring
- connecting cylinder
- shaft sleeve
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/006—Safety devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/10—Spot welding; Stitch welding
- B23K11/11—Spot welding
- B23K11/115—Spot welding by means of two electrodes placed opposite one another on both sides of the welded parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/36—Auxiliary equipment
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Resistance Welding (AREA)
Abstract
The invention discloses a point welding spattering-protection device. The point welding spattering-protection device comprises a spring and a barrel-shaped protective sleeve, wherein the spring and the protective sleeve are arranged outside an electrode rod in a sleeved mode, one end of the spring is fixed to the electrode rod, the other end of the spring is fixed to the protective sleeve, an electrode cap at the end of the electrode rod is located in a barrel of the protective sleeve, and the protective sleeve can move back and forth in the axial direction of the electrode rod so that the electrode cap can extend out of an opening in the end of the protective sleeve. In the point welding process, as the electrode cap is located in the barrel of the protective sleeve, the end surface of the protective sleeve firstly makes contact with a workpiece and then is completely attached to the workpiece due to the elasticity function of the spring along with the continuous pressing of an upper electrode and a lower electrode, at the time, a welding point is located in a sealed space of the protective sleeve, and the phenomenon that sparks spatter around is effectively prevented, and potential safety dangers to people and properties are eliminated. The invention further discloses a point welding machine comprising the point welding spattering-protection device.
Description
Technical field
The present invention relates to spot-welding technology field, relate in particular to a kind of spot welding splash protector and a kind of mash welder.
Background technology
Spot welding is one of main welding manner of plate sheet welding, and more than 95% welding in Automobile Welding processing is spot welding.In pinpoint welding procedure, splashing with spark is inevitable and masty weld defect, splashes and is dispersed to four sides by the pad on soldering part surface.As shown in Figure 1, Fig. 1 is the spark schematic diagram that splashes in pinpoint welding procedure in prior art, and top electrode 01 carries out spot welding with bottom electrode 03 to workpiece 02, and the spark that pad splashes is as shown in the arrow in Fig. 1.Splash and there is following characteristics: it is indefinite 1, to disperse direction; 2, spreading distance is far away, and the serious spreading distance that splashes can exceed 10 meters; The great efforts of 3, splashing and outwards dispersing; The temperature of splashing of 4, dispersing is higher.In order to prevent the injury operator of splashing, employee must wear goggles with anti-damage eyes in the time of operation, wears fire-retardant work clothes to prevent scald.And, when (scope of splashing and involving) has inflammable articles near spot welding region, splash and stamp easy firing initiation fire after inflammable articles.
Therefore, how solving the defect that in pinpoint welding procedure, spark splashes, is the current technical issues that need to address of those skilled in the art.
Summary of the invention
In view of this, the invention provides a kind of spot welding protector that splashes, the defect of splashing for solving pinpoint welding procedure spark.
In order to address the above problem, the invention provides a kind of spot welding protector that splashes, comprise the protective jacket of spring and tubular, described spring and described protective jacket are all sheathed on the periphery of electrode stem and described electrode stem is fixed in one end of described spring, the other end of described spring is fixed on described protective jacket, the electrode cap of described electrode stem end is positioned at the cylinder of described protective jacket, and described protective jacket can make described electrode cap stretch out in the opening of the end of described protective jacket along the axially reciprocating of described electrode stem.
Preferably, the periphery of described electrode stem is provided with adapter sleeve, and described adapter sleeve is fixed in one end of described spring, and the other end of described spring is fixed on described protective jacket.
Preferably, described adapter sleeve comprises limit shaft sleeve and connecting cylinder, described limit shaft sleeve is sheathed on the periphery of described electrode stem, described connecting cylinder is connected in described limit shaft sleeve and is sheathed on the periphery of described electrode stem, described spring is positioned at the cavity of described connecting cylinder, one end of described spring acts on described limit shaft sleeve and the other end acts on described protective jacket, described protective jacket stretch out in described connecting cylinder end opening and can move back and forth vertically by relatively described connecting cylinder.
Preferably, the periphery of described protective jacket is provided with the spacing shaft shoulder, and described connecting cylinder is provided with first confined planes corresponding with the described spacing shaft shoulder.
Preferably, described limit shaft sleeve is fixed on the periphery of described electrode stem along the axial adjustable ground of described electrode stem.
Preferably, described limit shaft sleeve is provided with internal thread, and described electrode stem is provided with external screw thread, and described limit shaft sleeve is threaded connection adjustable ground and is fixed on the periphery of described electrode stem.
Preferably, described limit shaft sleeve is fixed in the cavity of described connecting cylinder along the axial adjustable ground of described connecting cylinder.
Preferably, the periphery of described limit shaft sleeve is provided with external screw thread, and the inner ring of described connecting cylinder is provided with internal thread, and described limit shaft sleeve is threaded connection along the axial adjustable ground of described connecting cylinder and is fixed in the cavity of described connecting cylinder.
Preferably, the material of described limit shaft sleeve and described connecting cylinder and described protective jacket is bakelite.
A kind of spot welding provided by the invention protector that splashes, comprise the protective jacket of spring and tubular, spring and protective jacket are all sheathed on the periphery of electrode stem and electrode stem is fixed in one end of spring, the other end of spring is fixed on protective jacket, the electrode cap of electrode stem end is positioned at the cylinder of protective jacket, and protective jacket can make electrode cap stretch out in the opening of the end of protective jacket along the axially reciprocating of electrode stem.In pinpoint welding procedure, top electrode and bottom electrode press to workpiece gradually, due to electrode cap be positioned at protective jacket cylinder, so, first the end face of protective jacket contacts with workpiece, along with the continuation of upper/lower electrode compresses, protective jacket and electrode stem generation relative motion also act on spring, because making protective jacket end face and workpiece, the elastic force effect of spring fits completely, power-on and power-off polar cap continues motion and then contacts with workpiece and start to weld, now in the seal cavity of pad in protective sleeve, thereby effectively prevent the spark phenomenon of dispersing of splashing everywhere, eliminate the potential safety hazard of splashing personnel and property being brought.
The present invention also provides a kind of mash welder, comprises top electrode and bottom electrode, and described top electrode and described bottom electrode include electrode stem and electrode cap, and described top electrode and described bottom electrode are equipped with spot welding described in the above any one protector that splashes.The splash derivation cardinal principle of the beneficial effect that protector brings of the derivation of the beneficial effect that this mash welder produces and above-mentioned spot welding is similar, therefore repeat no more herein.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the spark schematic diagram that splashes in pinpoint welding procedure in prior art;
Fig. 2 is in specific embodiment of the invention scheme, splash protector and electrode stem assembling schematic diagram;
Fig. 3 is spot welding operation schematic diagram in specific embodiment of the invention scheme;
Fig. 4 is the structure cutaway view of limit shaft sleeve;
Fig. 5 is the structure cutaway view of protective jacket;
Fig. 6 is the structure cutaway view of connecting cylinder;
Fig. 7 is protective jacket and connecting cylinder assembly structure schematic diagram;
Fig. 8 is the protective jacket assembly structure schematic diagram that splashes;
Fig. 9 is the spot welding machine structure schematic diagram in specific embodiment of the invention scheme;
In Fig. 1:
Top electrode-01, workpiece-02, bottom electrode-03;
In Fig. 2 to Fig. 9:
Electrode stem-1, limit shaft sleeve-2, connecting cylinder-3, spring-4, electrode cap-5, protective jacket-6, soldering turret cylinder-7, soldering turret piston rod-8, top electrode-9, protective jacket assembly-10 of splashing, bottom electrode-11, workpiece-12, limit shaft sleeve external screw thread-21, spring confined planes-22, limit shaft sleeve internal thread-23, the first confined planes-31, connecting cylinder internal thread-32, the spacing shaft shoulder-61.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Please refer to Fig. 2 to Fig. 9, Fig. 2 is in specific embodiment of the invention scheme, splash protector and electrode stem assembling schematic diagram; Fig. 3 is spot welding operation schematic diagram in specific embodiment of the invention scheme; Fig. 4 is the structure cutaway view of limit shaft sleeve; Fig. 5 is the structure cutaway view of protective jacket; Fig. 6 is the structure cutaway view of connecting cylinder; Fig. 7 is protective jacket and connecting cylinder assembly structure schematic diagram; Fig. 8 is the protective jacket assembly structure schematic diagram that splashes; Fig. 9 is the spot welding machine structure schematic diagram in specific embodiment of the invention scheme.
In a kind of specific embodiment scheme, the invention provides a kind of spot welding protector that splashes, this protector is installed on the upper and lower electrode of mash welder, and splashing of can preventing from producing in pinpoint welding procedure dispersed everywhere.This protector comprises the protective jacket 6 of spring 4 and tubular, the equal opening in two ends of protective jacket 6, spring 4 and protective jacket 6 are all sheathed on the periphery of electrode stem 1, and electrode stem 1 is fixed in one end of spring 4, the other end of spring 4 is fixed on protective jacket 6, the electrode cap 5 of electrode stem 1 end is positioned at the cylinder of protective jacket 6, be that the end of electrode cap 5 in Fig. 2 and the end face of protective jacket 6 exist distance " L ", and protective jacket 6 can make electrode cap 5 stretch out in the opening of the end of protective jacket 6 along the axially reciprocating of electrode stem 1.
Wherein, the effect of spring 4 is, in the time that protective jacket 6 comparative electrode bars 1 move back and forth, protective jacket 6 is applied to active force so that protective jacket 6 presses to the surface of workpiece 12, and the elastic force that protective jacket 6 need to overcome spring 4 just can make electrode cap 5 stretch out the opening of the end of protective jacket 6.Concrete, spring 4 can adopt the form of compression or stretching to apply elastic force to protective jacket 6, in the time adopting the spring 4 of compression to apply elastic force to protective jacket 6, the distance of distance electrode cap 5 ends, one end of being fixed on electrode stem 1 of spring 4 is greater than the distance of spring 4 other end distance electrode cap 5 ends; In the time adopting the spring 4 stretching to apply elastic force to protective jacket 6, the distance of distance electrode cap 5 ends, one end of being fixed on electrode stem 1 of spring 4 is less than the distance of spring 4 other end distance electrode cap 5 ends.
In pinpoint welding procedure, top electrode 9 presses to workpiece 12 gradually with bottom electrode 11, due to electrode cap 5 be positioned at protective jacket 6 cylinder, so, first the end face of protective jacket 6 contacts with workpiece 12, along with upper, the continuation of bottom electrode compresses, there is relative motion and act on spring 4 in protective jacket 6 with electrode stem 1, because making protective jacket 6 end faces and workpiece 12, the elastic force effect of spring 4 fits completely, on, bottom electrode cap 5 continues motion and then contacts with workpiece 12 and start to weld, now in the seal cavity of pad in protective sleeve 6, thereby effectively prevent the spark phenomenon of dispersing of splashing everywhere, eliminate the potential safety hazard of splashing personnel and property being brought.
It should be noted that, one end of spring 4 can be fixed on electrode stem 1 or the static transmission with realizable force of maintenance relative to electrode stem 1 in several ways.Concrete, this programme can be provided for the fixing shaft shoulder or the hook that move restraining spring 4 ends in the periphery of electrode stem 1, dismountable fixture also can be set and fix spring 4.Preferably, this programme adopts above-mentioned the second connected mode to fix spring 4, concrete, and the periphery of electrode stem 1 is provided with for spring 4 is carried out to spacing adapter sleeve, and adapter sleeve is fixed in one end of spring 4, and the other end of spring 4 is fixed on protective jacket 6.In pinpoint welding procedure, electrode stem 1 can apply active force to spring 4 by adapter sleeve, thereby protective jacket 6 is applied to elastic force.
It should be noted that, the adapter sleeve in this programme is the periphery of fixed electrode bar 1 in several ways, for example fixed by snap or be threaded connection fixingly, or is fixed by steady pin etc.The structure of adapter sleeve can be monoblock type or split-type structural.
Preferably, the adapter sleeve in this programme is split-type structural, concrete, and referring to Fig. 2, this adapter sleeve comprises limit shaft sleeve 2 and connecting cylinder 3, and the two ends of connecting cylinder 3 are equipped with opening.Limit shaft sleeve 2 is sheathed on the periphery of electrode stem 1, for carrying out spacing to spring 4; Connecting cylinder 3 is connected in limit shaft sleeve 2 and is sheathed on the periphery of electrode stem 1.Spring 4 is positioned at the cavity of connecting cylinder 3, one end of spring 4 acts on limit shaft sleeve 2 and the other end acts on protective jacket 6, to protective jacket 6 is applied to elastic force, protective jacket 6 stretch out in connecting cylinder 3 end opening and relatively connecting cylinder 3 move back and forth vertically.Concrete, this programme adopts the mode of Compress Spring 4 to apply elastic force to protective jacket 6, and limit shaft sleeve 2 is provided with and the interactional spring confined planes 22 of spring 4.
In order to prevent that protective jacket 6 from skidding off from the cavity of connecting cylinder 3, preferably, this programme is provided with the spacing shaft shoulder 61 in the periphery of protective jacket 6, and connecting cylinder 3 is provided with first confined planes 31 corresponding with the spacing shaft shoulder 61.So arrange, when protective jacket 6 is positioned over connecting cylinder 3 when interior, owing to being subject to the mutual inhibition of the first confined planes 31 and the spacing shaft shoulder 61, protective jacket 6 just can be avoided dropping out from connecting cylinder 3.In the time of upper/lower electrode workpiece pressing 12, protective jacket 6 elder generations and workpiece 12 Surface Contacts, along with piston rod continues to compress downwards, 6 Compress Springs 4 of protective jacket, when the distance of protective jacket 6 Compress Springs 4 is more than or equal to " L ", electrode cap 5 just contacts with workpiece 12 and starts welding, and while spring 4 applies again elastic force to protective jacket 6 and impels protective jacket 6 and workpiece 12 surface laminatings.
For protective jacket 6 being installed on the electrode stem 1 in different length size, this programme has adopted the mounting means of position-adjustable to fix protective jacket 6.Preferably, this programme is fixed on limit shaft sleeve 2 periphery of electrode stem 1 along the axial adjustable ground of electrode stem 1.So arrange, when limit shaft sleeve 2 is fixed on to the axial diverse location of electrode stem 1, connecting cylinder 3 just can be fixed on along with limit shaft sleeve 2 diverse location of electrode stem 1 periphery together with spring 4 and protective jacket 6, thereby make electrode cap 5 be positioned at the different depth position of the cylinder of protective jacket 6, adjust the size of " L " distance in Fig. 2.
It should be noted that, limit shaft sleeve 2 can be realized by different modes adjustable fixing, and for example, by multiple buckles or block button hole being set vertically in electrode stem 1 periphery, limit shaft sleeve 2 is provided with buckle accordingly; Or the periphery at electrode stem 1 is provided with external screw thread, be correspondingly provided with internal thread at the inner ring of limit shaft sleeve 2, adopt the mode being threaded to be fixed on the periphery of electrode stem 1 by limit shaft sleeve 2; Or be provided with multiple installing holes perpendicular to axial direction in the periphery of electrode stem 1, adopt fixing pivot pin to be fixed on the diverse location etc. of the periphery of electrode stem 1 limit shaft sleeve 2.
Preferably, the limit shaft sleeve 2 of this programme is provided with limit shaft sleeve internal thread 23, and electrode stem 1 is provided with external screw thread, and limit shaft sleeve 2 is threaded connection adjustable ground and is fixed on the periphery of electrode stem 1.So arrange, not only can make to be connected firmly, but also can realize the continuous adjusting of limit shaft sleeve 2 with respect to the position of electrode stem 1, make position adjustments more accurate.
For the elastic force of realizing spring 4 regulates, preferably, limit shaft sleeve 2 is fixed in the cavity of connecting cylinder 3 along the axial adjustable ground of connecting cylinder 3.So arrange, by regulating the relative position of limit shaft sleeve 2 and connecting cylinder 3, distance between the spring confined planes 22 of limit shaft sleeve 2 and the spacing shaft shoulder 61 of protective jacket 6 is the length of spring 4, can realize spring 4 changes in the length of connecting cylinder 3 inside, thereby the different elastic force of regulating spring 4, and then can realize the surface that protective jacket 6 is pressed on to workpiece 12.
It should be noted that, limit shaft sleeve 2 can be threaded connection, bolt connects or buckle connection etc. is fixed on connecting cylinder 3, preferably, the periphery of the limit shaft sleeve 2 in this programme is provided with limit shaft sleeve external screw thread 21, the inner ring of connecting cylinder 3 is provided with connecting cylinder internal thread 32, and limit shaft sleeve 2 is threaded connection along the axial adjustable ground of connecting cylinder 3 and is fixed in the cavity of connecting cylinder 3.So arrange, can realize the continuous adjusting of spring 4 elastic force, when protector and electrode stem 1 are assembled, also can regulate the distance " L " between protective jacket 6 end faces and electrode cap 5 ends by the relative position of adjusting limit shaft sleeve 2 and connecting cylinder 3.
After the distance of " L " is adjusted, in use, electrode stem 1, electrode cap 5, limit shaft sleeve 2 and connecting cylinder 3 are fixed as one; Spring 4 telescopicallies are assemblied in the cavity of connecting cylinder 3; Protective jacket 6 passes and for matched in clearance, ensures that protective jacket 6 can do the motion of Compress Spring 4 from the cavity of connecting cylinder 3.
The splash assembling process of protector of the spot welding that this programme provides is as follows:
First protective jacket 6 is prevented in the cavity of connecting cylinder 3, and protective jacket 6 is stretched out from the open-ended of connecting cylinder 3, form structure as shown in Figure 7; Then spring 4 is placed in the cavity of connecting cylinder 3 and the end contact of one end of spring 4 and the spacing shaft shoulder 61 of protective jacket 6; Again limit shaft sleeve 2 and connecting cylinder 3 are threaded togather, regulate the relative position of limit shaft sleeve 2 and connecting cylinder 3 with the elastic force of regulating spring 4, as shown in Figure 8, the last protective jacket assembly 10 that splashes that just obtains.
It should be noted that, owing to there will be high temperature spark and electric current in pinpoint welding procedure, the material of manufacturing limit shaft sleeve 2, connecting cylinder 3 and protective jacket 6 in this programme need to have enough intensity, insulation and resistance to elevated temperatures, such as glass, resin or ambroin etc., because bakelite has higher mechanical strength, good insulating properties, heat-resisting, corrosion-resistant, so preferably, the material of the limit shaft sleeve 2 in this programme and connecting cylinder 3 and protective jacket 6 is bakelite.
The present invention also provides a kind of mash welder, comprises top electrode 9 and bottom electrode 11, and top electrode 9 and bottom electrode 11 include electrode stem 1 and electrode cap 5, and top electrode 9 and bottom electrode 11 are equipped with the above spot welding protector that splashes.As shown in Figure 9, the mash welder providing in the present embodiment scheme comprises soldering turret cylinder 7, soldering turret piston rod 8, and top electrode 9 and bottom electrode 11 are all provided with the protective jacket assembly 10 that splashes in previous embodiment.Wherein, soldering turret cylinder 7 control cylinder piston rod under compressed-air actuated effect moves reciprocatingly, soldering turret piston rod 8 pumps and realizes the compression of soldering turret and open under the drive of soldering turret cylinder 7, be that soldering turret piston rod 8 moves downward realization compression and welding function, soldering turret piston rod 8 moves upward and realizes opening function.The splash derivation cardinal principle of the beneficial effect that protector brings of the derivation of the beneficial effect that this mash welder produces and above-mentioned spot welding is similar, therefore repeat no more herein.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. the spot welding protector that splashes, it is characterized in that, comprise the protective jacket (6) of spring (4) and tubular, described spring (4) and described protective jacket (6) are all sheathed on the periphery of electrode stem (1) and described electrode stem (1) is fixed in one end of described spring (4), the other end of described spring (4) is fixed on described protective jacket (6), the electrode cap (5) of described electrode stem (1) end is positioned at the cylinder of described protective jacket (6), and described protective jacket (6) can make described electrode cap (5) stretch out in the opening of the end of described protective jacket (6) along the axially reciprocating of described electrode stem (1).
2. the spot welding according to claim 1 protector that splashes, it is characterized in that, the periphery of described electrode stem (1) is provided with adapter sleeve, described adapter sleeve is fixed in one end of described spring (4), and the other end of described spring (4) is fixed on described protective jacket (6).
3. the spot welding according to claim 2 protector that splashes, it is characterized in that, described adapter sleeve comprises limit shaft sleeve (2) and connecting cylinder (3), described limit shaft sleeve (2) is sheathed on the periphery of described electrode stem (1), described connecting cylinder (3) is connected in described limit shaft sleeve (2) and is sheathed on the periphery of described electrode stem (1), described spring (4) is positioned at the cavity of described connecting cylinder (3), one end of described spring (4) acts on described limit shaft sleeve (2) and the other end acts on described protective jacket (6), described protective jacket (6) stretch out in described connecting cylinder (3) end opening and can move back and forth vertically by relatively described connecting cylinder (3).
4. the spot welding according to claim 3 protector that splashes, it is characterized in that, the periphery of described protective jacket (6) is provided with the spacing shaft shoulder (61), and described connecting cylinder (3) is provided with first confined planes (31) corresponding with the described spacing shaft shoulder (61).
5. the spot welding according to claim 3 protector that splashes, is characterized in that, described limit shaft sleeve (2) is fixed on the periphery of described electrode stem (1) along the axial adjustable ground of described electrode stem (1).
6. the spot welding according to claim 5 protector that splashes, it is characterized in that, described limit shaft sleeve (2) is provided with internal thread, described electrode stem (1) is provided with external screw thread, and described limit shaft sleeve (2) is threaded connection adjustable ground and is fixed on the periphery of described electrode stem (1).
7. the spot welding according to claim 5 protector that splashes, is characterized in that, described limit shaft sleeve (2) is fixed in the cavity of described connecting cylinder (3) along the axial adjustable ground of described connecting cylinder (3).
8. the spot welding according to claim 7 protector that splashes, it is characterized in that, the periphery of described limit shaft sleeve (2) is provided with external screw thread, the inner ring of described connecting cylinder (3) is provided with internal thread, and described limit shaft sleeve (2) is threaded connection along the axial adjustable ground of described connecting cylinder (3) and is fixed in the cavity of described connecting cylinder (3).
9. the spot welding according to claim 3 protector that splashes, is characterized in that, the material of described limit shaft sleeve (2) and described connecting cylinder (3) and described protective jacket (6) is bakelite.
10. a mash welder, comprise top electrode (9) and bottom electrode (11), described top electrode (9) and described bottom electrode (11) include electrode stem (1) and electrode cap (5), it is characterized in that, described top electrode (9) and described bottom electrode (11) are equipped with spot welding described in claim 1 to the 8 any one protector that splashes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410319737.XA CN104107993B (en) | 2014-07-07 | 2014-07-07 | A kind of spot welding splatter guard device and a kind of mash welder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410319737.XA CN104107993B (en) | 2014-07-07 | 2014-07-07 | A kind of spot welding splatter guard device and a kind of mash welder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104107993A true CN104107993A (en) | 2014-10-22 |
| CN104107993B CN104107993B (en) | 2016-08-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410319737.XA Expired - Fee Related CN104107993B (en) | 2014-07-07 | 2014-07-07 | A kind of spot welding splatter guard device and a kind of mash welder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104107993B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105171221A (en) * | 2015-10-30 | 2015-12-23 | 柳州沪信汽车科技有限公司 | Resistance spot welding clamping device |
| CN112091395A (en) * | 2020-09-15 | 2020-12-18 | 江苏立宇自动化焊接科技有限公司 | Electrode structure for preventing spark splashing of nut projection welding machine |
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| DE4039270C1 (en) * | 1990-12-08 | 1992-02-27 | Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De | Spatter protection device for spot welding electrode - consisting of skirt of insulating material pref. plastic axially held by spring in guide bush |
| CN1806993A (en) * | 2006-02-06 | 2006-07-26 | 王雪松 | Telescopic spring sheath electrode for resistance spot welding |
| CN2865977Y (en) * | 2005-12-19 | 2007-02-07 | 天津大学 | Electric resistance spot welding electrode capable of preventing fusing pit from splashing |
| CN202070850U (en) * | 2011-05-13 | 2011-12-14 | 重庆平伟科技(集团)有限公司 | Special resistance projection welding lower electrode for ring nuts |
| CN202846018U (en) * | 2012-10-23 | 2013-04-03 | 鞍钢股份有限公司 | Device for positioning and preventing splashing in spot welding of steel plate |
| CN204035819U (en) * | 2014-07-07 | 2014-12-24 | 力帆实业(集团)股份有限公司 | A kind of spot welding splatter guard device and a kind of mash welder |
-
2014
- 2014-07-07 CN CN201410319737.XA patent/CN104107993B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4039270C1 (en) * | 1990-12-08 | 1992-02-27 | Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De | Spatter protection device for spot welding electrode - consisting of skirt of insulating material pref. plastic axially held by spring in guide bush |
| CN2865977Y (en) * | 2005-12-19 | 2007-02-07 | 天津大学 | Electric resistance spot welding electrode capable of preventing fusing pit from splashing |
| CN1806993A (en) * | 2006-02-06 | 2006-07-26 | 王雪松 | Telescopic spring sheath electrode for resistance spot welding |
| CN202070850U (en) * | 2011-05-13 | 2011-12-14 | 重庆平伟科技(集团)有限公司 | Special resistance projection welding lower electrode for ring nuts |
| CN202846018U (en) * | 2012-10-23 | 2013-04-03 | 鞍钢股份有限公司 | Device for positioning and preventing splashing in spot welding of steel plate |
| CN204035819U (en) * | 2014-07-07 | 2014-12-24 | 力帆实业(集团)股份有限公司 | A kind of spot welding splatter guard device and a kind of mash welder |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105171221A (en) * | 2015-10-30 | 2015-12-23 | 柳州沪信汽车科技有限公司 | Resistance spot welding clamping device |
| CN112091395A (en) * | 2020-09-15 | 2020-12-18 | 江苏立宇自动化焊接科技有限公司 | Electrode structure for preventing spark splashing of nut projection welding machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104107993B (en) | 2016-08-17 |
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