CN104308329A - Movable iron core structure with engagement and disengagement connection function in stud welding gun - Google Patents
Movable iron core structure with engagement and disengagement connection function in stud welding gun Download PDFInfo
- Publication number
- CN104308329A CN104308329A CN201410498730.9A CN201410498730A CN104308329A CN 104308329 A CN104308329 A CN 104308329A CN 201410498730 A CN201410498730 A CN 201410498730A CN 104308329 A CN104308329 A CN 104308329A
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- CN
- China
- Prior art keywords
- iron core
- locking cover
- reset
- housing
- dynamic
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Classifications
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/06—Arrangements or circuits for starting the arc, e.g. by generating ignition voltage, or for stabilising the arc
- B23K9/067—Starting the arc
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/20—Stud welding
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Resistance Welding (AREA)
Abstract
The invention discloses a movable iron core structure with an engagement and disengagement connection function in a stud welding gun. The front end of the movable iron core is provided with an axial connecting hole, the front end of the movable iron core is fixedly provided with a connecting retaining sheet, a locking cover movably sheaths the connecting retaining sheet, the locking cover, the connecting retaining sheet and the front end of the movable iron core are covered in a middle cavity of a reset casing by the reset casing, the back end of the movable iron core penetrates through a through hole in the back end of the reset casing and then extends out of the reset casing, the reset casing and the locking cover are respectively provided with a first through hole and a second through hole corresponding to the connecting hole, the interior of the locking cover is provided with a second cavity, the back end of the locking cover is provided with a blocking sheet which is used for realizing the half opening and half closing of the second cavity, the connecting retaining sheet is retained in the second cavity of the locking cover by the blocking sheet, and a reset structure is arranged in the reset casing. The movable iron core structure has the advantages that a lifting clearance is enabled not to change when a stud is longer, and the normal welding arc striking can be performed.
Description
Technical field
The present invention relates to stud welding gun, refer more particularly to the dynamic core structure with clutch linkage function in stud welding gun.
Background technology
Main shaft in stud welding gun common at present and dynamic iron core head and the tail are connected to one, when reality uses, main shaft is movably arranged on the front portion of welding gun housing cavity, main shaft front end is connected with the integral type base of the carrier head in order to install stud, afterbody in welding gun housing cavity is fixedly installed fixed cover, dynamic iron core tail end inserts from fixed cover front end, and can slide axially in fixed cover, the main shaft connected as one and dynamic iron core can seesaw vertically in welding gun housing cavity, the coil driving dynamic iron core is provided with in fixed cover, the front end of static iron core is inserted from the tail end of fixed cover, and be arranged on fixed cover tail end, gap is left between dynamic iron core and static iron core, this gap is called lifting gap, promote the key factor producing electric arc when gap is and ensures stud welding gun welding.
Before starting welding job, a sheathed aluminium cover in the front end of welding gun housing, the front end of aluminium cover and the front end of the stud of clamping in integral type base of the carrier head are all pressed on welded plates, during welding, to the coil electricity in fixed cover, drive dynamic iron core to retract in fixed cover, dynamic iron core drives main shaft and stud to draw close to static iron core together, and stud is moving to static iron core in the process of drawing close and producing gap between welded plates and produce welding arc.
The major defect that said structure exists is: because main shaft and dynamic iron core head and the tail are connected to one, therefore when making the physical length of stud slightly long because of factors such as mismachining tolerances, after aluminium cover front end is pressed on welded plates together with stud front end, that section of stud grown can promote main shaft and iron core is together slided to the back-end, make lifting gap smaller between iron core and static iron core, thus striking Distance Shortened when making welding striking, easy appearance cannot the phenomenon of striking, greatly reduce the qualification rate of welding, welding effect is poor.
Summary of the invention
The technical problem of solution required for the present invention is: provide a kind of=can be connected with main shaft clutch thus still can ensure to promote the dynamic core structure with clutch linkage function in the stud welding gun that gap remains unchanged when stud length is slightly long.
For solving the problem, the technical solution used in the present invention is: the dynamic core structure with clutch linkage function in described stud welding gun, comprise: dynamic iron core, dynamic rod nose portion is provided with axial connecting hole, connection catch is fixedly installed at dynamic rod nose, on connection catch, movable sleeve is provided with locking cover, the reset housing of band middle cavity is set with in dynamic rod nose portion, locking cover, the front end connecting catch and dynamic iron core is all arranged in the middle cavity of reset housing, the rear end activity of dynamic iron core is through stretching out outside reset housing after the open-work of reset housing rear end, first through hole corresponding with connecting hole and the second through hole is respectively arranged with in the front end side wall of reset housing and on locking cover, the second cavity is provided with in described locking cover, being provided with in the rear end of locking cover makes the second cavity half open wide semi-enclosed shielding plate, shielding plate will connect catch gear in the second cavity of locking cover, make locking cover relatively can connect catch inclination but connect catch can not drop out the second cavity again, and when locking the central axis angled bias of the relative connecting hole of central axis covering the second through hole when relative connection catch tilts, be provided with in reset housing and locking cover can be made to be resisted against resetting structure on reset housing forward end sidewall, and when locking cover and being resisted against on reset housing forward end sidewall, the driving shaft stretching to the main shaft tail end in the second through hole and connecting hole can axially-movable in connecting hole swimmingly.
Further, dynamic core structure with clutch linkage function in aforesaid stud welding gun, wherein, described resetting structure is: be set in the back-moving spring on dynamic iron core, the two ends of back-moving spring are resisted against on locking cover and reset housing rear end sidewall respectively, lock cover and be resisted against on reset housing forward end sidewall under the effect of back-moving spring.
Further, dynamic core structure with clutch linkage function in aforesaid stud welding gun, wherein, the structure of described reset housing comprises: the bar shape housing of open at one end is closed in one end, the open ports of bar shape housing covers by shell body rear cover, thus by locking cover, connect catch and dynamic iron core front end cover cap bar shape housing middle cavity in, the rear end activity of dynamic iron core is stretched out outside bar shape housing through after the open-work in shell body rear cover.
The invention has the beneficial effects as follows: the dynamic core structure described in using in stud welding gun, when the stud that length is slightly grown promotes to ensure when main shaft moves to the back-end that the position of dynamic iron core remains unchanged, thus it is constant to ensure to promote gap, and can make again when dynamic iron core moves to the back-end by driving force the servo-actuated iron core of main shaft together axially-movable complete and promote striking operation, like this, just can ensure that the distance of welding striking remains unchanged, foot welding height after welding is basically identical and there will not be cannot striking phenomenon, welding quality is good and qualification rate that is welding is high, substantially do not need to do over again, substantially increase welding efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of the dynamic core structure with clutch linkage function in stud welding gun of the present invention.
Fig. 2 is the structural representation that in Fig. 1, A-A analyses and observe direction.
Fig. 3 be main shaft rear driving shaft can in connecting hole free structural representation in axial sliding.
Fig. 4 is the structural representation that main shaft rear driving shaft and dynamic iron core are locked mutually.
Detailed description of the invention
Below in conjunction with accompanying drawing and preferred embodiment, technical solutions according to the invention are described in further detail.
As shown in Figure 1, Figure 2 and Figure 3, dynamic core structure with clutch linkage function in stud welding gun of the present invention, comprise: dynamic iron core 2, the leading section of dynamic iron core 2 is provided with axial connecting hole 21, be fixedly installed in the front end of dynamic iron core 2 and connect catch 22, in actual production, connect catch 22 can be integrally formed with dynamic iron core 2.On connection catch 22, movable sleeve is provided with locking cover 3, the reset housing of band middle cavity 4 is set with in dynamic iron core 2 leading section, the front end of locking cover 3, connection catch 22 and dynamic iron core 2 is all arranged in the middle cavity 4 of reset housing, the rear end of dynamic iron core 2, through stretching out outside reset housing after the open-work of reset housing rear end, is respectively arranged with first through hole 410 and second through hole 310 corresponding with connecting hole 21 in the front end side wall 411 of reset housing and on locking cover 3; The second cavity is provided with in described locking cover 3, being provided with in the rear end of locking cover 3 makes the second cavity half open wide semi-enclosed shielding plate 31, shielding plate 31 keeps off in the second cavity of locking cover 3 by connecting catch 22, make locking cover 3 relatively can connect catch 22 to tilt but connect catch 22 and can not drop out the second cavity again, and when locking cover 3 and relatively connect the central axis angled bias of the relative connecting hole 21 of central axis of the second through hole 310 when catch 22 tilts; Be provided with in reset housing and locking cover 3 can be made to be resisted against on reset housing forward end sidewall 411 and when locking cover 3 and being resisted against on reset housing forward end sidewall 411, the driving shaft 11 stretching to the main shaft tail end in the second through hole 310 and connecting hole 21 can the resetting structure of axially-movable in connecting hole 21 swimmingly.Resetting structure described in the present embodiment is: be set in the back-moving spring 5 on dynamic iron core 2, the two ends of back-moving spring 5 are resisted against on locking cover 3 and reset housing rear end sidewall respectively, lock cover 3 and be resisted against on reset housing forward end sidewall 411 under the effect of back-moving spring 5.
In the present embodiment as shown in Figure 1, the structure of described reset housing comprises: the bar shape housing 41 of open at one end is closed in one end, the open ports of bar shape housing 41 covers by shell body rear cover 42, thus by the front end cover cap of locking cover 3, connection catch 22 and dynamic iron core 2 in the middle cavity 4 of bar shape housing 41, the rear end activity of dynamic iron core 2 is stretched out outside bar shape housing 41 through after the open-work in shell body rear cover 42.
When reality uses, main shaft 1 and dynamic iron core 2 are all assemblied in welding gun housing.Main shaft 1 is movably arranged on the front portion of welding gun housing, main shaft front end is connected with the integral type base of the carrier head in order to install stud, main shaft rear driving shaft 11 is through inserting in connecting hole 21 after the second through hole 310 on the first through hole 410, locking cover 3, bar shape housing 41 is also fixedly installed in welding gun housing, and dynamic iron core 2 rear end is arranged in the fixed cover of the belt coil of welding gun housing afterbody.Before starting welding job, first at the sheathed aluminium cover of welding gun head, then stud is filled in integral type base of the carrier head, the front end of aluminium cover and stud is made by welding gun rifle to be all pressed on welded plates more upside down, when the physical length of stud is slightly long, that section of stud grown can push main shaft 1 and slide to the back-end, now main shaft rear driving shaft 11 also can slide to the rear end of connecting hole 21, although main shaft 1 has displacement backward and dynamic iron core 2 can not be moved like this, namely persuade the position of iron core 2 can not change because stud there is mismachining tolerance, thus can ensure that promoting gap remains unchanged.During welding, to the coil electricity in fixed cover, applying driving force to dynamic iron core 2 pulls dynamic iron core 2 to move to the back-end, as shown in Figure 4, now lock cover 3 under the elastic force of back-moving spring 5 and the pulling force effect of dynamic iron core 2, locking cover 3 has the trend departing from and connect catch 22, and shielding plate 31 can block connection catch 22 prevention locking cover 3 disengaging connection catch 22, the part that this sheet 31 that can make locking cover 3 is not blocked blocks turns forward, make the central axis angled bias of the relative connecting hole 21 of the central axis of the second through hole 310, thus make locking cover 3 be pressed on the driving shaft 11 of main shaft rear, now, by frictional force, main shaft rear driving shaft 11 is locked in connecting hole 21 between the locking cover 3 tilted and main shaft rear driving shaft 11, main shaft 1 is forced to slide to the back-end together with dynamic iron core 2, thus stud is promoted to produce electric arc, make to form molten bath between welded plates and stud.Make coil blackout that the driving force be applied on dynamic iron core 2 is disappeared after forming molten bath, dynamic iron core 2 can return back to original position under the effect of back-moving spring 5, meanwhile lock cover 3 is also again resisted against in the front end side wall 411 of bar shape housing 41 under the elastic force effect of back-moving spring 5, the second through hole 310 homing on locking cover 3 is made no longer to oppress main shaft rear driving shaft 11, main shaft rear driving shaft 11 in such insertion second through hole 310 and connecting hole 21 can freely freely slide axially again in connecting hole 21, free main shaft rear driving shaft 11 would not hinder main shaft 1 homing, so just can ensure that main shaft 1 and stud press to welded plates in time until form welding point.
Advantage of the present invention is: the dynamic iron core result described in paying attention in stud welding gun, when the stud that length is slightly grown promotes to ensure when main shaft 1 moves to the back-end that the position of dynamic iron core 2 remains unchanged, thus it is constant to ensure to promote gap, and can make again when dynamic iron core 2 moves to the back-end by driving force the servo-actuated iron core 2 of main shaft 1 together axially-movable complete and promote striking operation, like this, just can ensure that the distance of welding striking remains unchanged, foot welding height after welding is basically identical and there will not be cannot striking phenomenon, welding quality is good and qualification rate that is welding is high, substantially do not need to do over again, substantially increase welding efficiency.
Claims (3)
1. the dynamic core structure with clutch linkage function in stud welding gun, comprise: dynamic iron core, it is characterized in that: dynamic rod nose portion is provided with axial connecting hole, connection catch is fixedly installed at dynamic rod nose, on connection catch, movable sleeve is provided with locking cover, the reset housing of band middle cavity is set with in dynamic rod nose portion, locking cover, the front end connecting catch and dynamic iron core is all arranged in the middle cavity of reset housing, the rear end activity of dynamic iron core is through stretching out outside reset housing after the open-work of reset housing rear end, first through hole corresponding with connecting hole and the second through hole is respectively arranged with in the front end side wall of reset housing and on locking cover, the second cavity is provided with in described locking cover, being provided with in the rear end of locking cover makes the second cavity half open wide semi-enclosed shielding plate, shielding plate will connect catch gear in the second cavity of locking cover, make locking cover relatively can connect catch inclination but connect catch can not drop out the second cavity again, and when locking the central axis angled bias of the relative connecting hole of central axis covering the second through hole when relative connection catch tilts, be provided with in reset housing and locking cover can be made to be resisted against resetting structure on reset housing forward end sidewall, and when locking cover and being resisted against on reset housing forward end sidewall, the driving shaft stretching to the main shaft tail end in the second through hole and connecting hole can axially-movable in connecting hole swimmingly.
2. according to the dynamic core structure with clutch linkage function in stud welding gun according to claim 1, it is characterized in that: described resetting structure is: be set in the back-moving spring on dynamic iron core, the two ends of back-moving spring are resisted against on locking cover and reset housing rear end sidewall respectively, lock cover and be resisted against on reset housing forward end sidewall under the effect of back-moving spring.
3. according to the dynamic core structure with clutch linkage function in the stud welding gun described in claim 1 or 2, it is characterized in that: the structure of described reset housing comprises: the bar shape housing of open at one end is closed in one end, the open ports of bar shape housing covers by shell body rear cover, thus by locking cover, connect catch and dynamic iron core front end cover cap bar shape housing middle cavity in, the rear end activity of dynamic iron core is stretched out outside bar shape housing through after the open-work in shell body rear cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410498730.9A CN104308329B (en) | 2014-09-26 | 2014-09-26 | Dynamic core structure with clutch linkage function in stud welding gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410498730.9A CN104308329B (en) | 2014-09-26 | 2014-09-26 | Dynamic core structure with clutch linkage function in stud welding gun |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104308329A true CN104308329A (en) | 2015-01-28 |
| CN104308329B CN104308329B (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410498730.9A Active CN104308329B (en) | 2014-09-26 | 2014-09-26 | Dynamic core structure with clutch linkage function in stud welding gun |
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| CN (1) | CN104308329B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100729082B1 (en) * | 2006-09-30 | 2007-06-14 | 이재용 | Lifting module for stud welding gun |
| CN201685017U (en) * | 2010-03-11 | 2010-12-29 | 芜湖瑞升焊接设备有限公司 | Stud welding gun |
| JP2011110580A (en) * | 2009-11-26 | 2011-06-09 | Japan Drive-It Co Ltd | Welding gun for capacitor discharge stud welding |
| CN102310251A (en) * | 2011-07-07 | 2012-01-11 | 张家港市安捷探伤焊割设备修造厂 | Arcing type stud welding gun |
| CN102310252A (en) * | 2011-07-07 | 2012-01-11 | 张家港市安捷探伤焊割设备修造厂 | Welding gun |
| CN204183077U (en) * | 2014-09-26 | 2015-03-04 | 苏州梦之捷焊接技术有限公司 | Dynamic core structure with clutch linkage function in stud welding gun |
-
2014
- 2014-09-26 CN CN201410498730.9A patent/CN104308329B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100729082B1 (en) * | 2006-09-30 | 2007-06-14 | 이재용 | Lifting module for stud welding gun |
| JP2011110580A (en) * | 2009-11-26 | 2011-06-09 | Japan Drive-It Co Ltd | Welding gun for capacitor discharge stud welding |
| CN201685017U (en) * | 2010-03-11 | 2010-12-29 | 芜湖瑞升焊接设备有限公司 | Stud welding gun |
| CN102310251A (en) * | 2011-07-07 | 2012-01-11 | 张家港市安捷探伤焊割设备修造厂 | Arcing type stud welding gun |
| CN102310252A (en) * | 2011-07-07 | 2012-01-11 | 张家港市安捷探伤焊割设备修造厂 | Welding gun |
| CN204183077U (en) * | 2014-09-26 | 2015-03-04 | 苏州梦之捷焊接技术有限公司 | Dynamic core structure with clutch linkage function in stud welding gun |
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| Publication number | Publication date |
|---|---|
| CN104308329B (en) | 2016-04-06 |
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