CN100463765C - Automatic welding gun - Google Patents
Automatic welding gun Download PDFInfo
- Publication number
- CN100463765C CN100463765C CNB2005100226437A CN200510022643A CN100463765C CN 100463765 C CN100463765 C CN 100463765C CN B2005100226437 A CNB2005100226437 A CN B2005100226437A CN 200510022643 A CN200510022643 A CN 200510022643A CN 100463765 C CN100463765 C CN 100463765C
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- fixed
- welding gun
- jaw clutch
- positioning sleeve
- transmission shaft
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- Expired - Fee Related
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Abstract
The automatic welding gun consists of a locating mechanism, a driving mechanism, a welding torch and a turntable, and is for the automatic welding between pipes and between pipe and plate. The locating mechanism has centering shaft fixed through bearing in the middle of the turntable, the driving mechanism and the welding torch are fixed separately on two sides of the turntable, and the turntable located between the driving mechanism and the locating mechanism has a transition gear meshed to the fixing gear on the centering shaft and the loading ring gear on the driving mechanism, so that the driving mechanism with motor drives the turntable and the welding torch to rotate around the centering shaft to complete the rotating welding. The locating mechanism has a centering fixing device and an elevating device, and the driving mechanism has a overload protection device.
Description
Technical field
The present invention relates to a kind of automatic welding gun, the automatic welding gun of particularly a kind of tube and tube or pipe and the welding of the plate degree of depth.
Background technology
The restriction of in the prior art because operating environment and operating space, usually can run into operating parts how with the concentric pipe fitting that is fixed in of pipe fitting central shaft so that carry out operating parts work, in automatic welding technique, often run into especially based on the pipe fitting central shaft.Manage in pipe when welding automatically with plate, because the operating space is narrow, operating environment is poor, and welding operation is very difficult.In order to guarantee weldquality, welding gun must be positioned fast and accurately by the inwall of welded tube spare.
Summary of the invention
In order to solve above problem, the invention provides a kind of automatic welding gun, can accurately fast the welding gun centration axis be fixed in pipe fitting inner wall again, thereby guarantee accurately and reliably carrying out of automatic welding gun operation sequence.
Technical scheme of the present invention is achieved in that a kind of automatic welding gun, by detent mechanism, driving mechanism, welding gun and rotating disk are formed, being used for tube and tube or pipe and plate welds automatically, the centration axis of this detent mechanism based on bearing fixing in this rotating disk middle part, and relative this detent mechanism with welding gun of this driving mechanism is individually fixed in the both sides of this rotating disk, this rotating disk position between this driving mechanism and this detent mechanism is installed with transition gear, this transition gear meshes with the fixed gear engagement of being fixed in this centration axis and with the load ring wheel that is fixed in this driving mechanism respectively, the motor of realizing this driving mechanism is by this load ring wheel, transition gear and fixed gear drive this rotating disk and rotate around this centration axis, thereby also driving this welding gun rotates around this centration axis, finish and rotate welding, this detent mechanism has the centering fixture of automatic location pipe fitting inner wall, spacing between this welding gun and this centration axis can be regulated, and this rotating disk can lifting relatively for this welding gun.
As a further improvement on the present invention, this fixture of feeling relieved, by cylinder, air cylinder connecting rod, pivot bush unit is in this air cylinder connecting rod and be fixed in the connecting rod cover of this cylinder, the circular cone that the upper end is connected in this air cylinder connecting rod bar that rises, pivot bush unit rises in this circular cone, and bar and upper end are communicated with and the positioning sleeve that is fixed in this connecting rod cover lower port is formed, this connecting rod cover as the centration axis of this detent mechanism based on this rotating disk of bearing fixing, and be fixed in this fixed gear, this positioning sleeve lower end has tension mechanism and can stretch into the pipe fitting of being felt relieved, this air cylinder connecting rod of this air cylinder driven and circular cone rise by bar when moving down, the tension mechanism that drives this positioning sleeve evenly outwards opens and is supported in by the centering pipe fitting inner wall, thus with concentric its inwall that also is fixed in automatically of this pipe fitting central shaft.
As a further improvement on the present invention, the tension mechanism of this positioning sleeve is the evenly a plurality of identical spacing slotted eyes of distribution of this positioning sleeve lower end periphery, and cooperate the movable a plurality of identical centering of stretching into this spacing slotted eye piece that rises, this positioning sleeve lower end wears ring spring and is convenient to these a plurality of centering piece that rises and is wrapped in this positioning sleeve bottom, this circular cone of this air cylinder driven rises by bar when moving down, the rise conehead of bar of this circular cone is inserted into these a plurality of centering and rises in the middle of the piece, and drive this a plurality of centering piece that rises and outwards evenly open by the spacing slotted eye of these a plurality of correspondences respectively, thereby the concentric pipe fitting inner wall that also is fixed in automatically of this positioning sleeve and pipe fitting central shaft.
As a further improvement on the present invention, three spacing slotted eyes evenly distribute on this positioning sleeve lower end periphery, correspondence is provided with three identical centering piece that rises, this centering piece front of rising is at right angles trapezoidal, rising as this centering of lateral surface is provided with a notch on the right-angle side of piece at least, is convenient to this ring spring and snaps in.
As a further improvement on the present invention; this positioning sleeve also activity wears the splashproof cover; this splashproof cover surface is provided with screw and attachment screw can be fixed in this positioning sleeve; this splashproof cover is fixed in this positioning sleeve when touching this in this splashproof cover lower end and being felt relieved the pipe fitting port, and protects the tension mechanism of this positioning sleeve.
As a further improvement on the present invention; this driving mechanism has Self-protective device of motor drive overload; be installed between motor transmission shaft and this load ring wheel; it is by the last jaw clutch and the following jaw clutch of the relative engagement that is set in this power transmission shaft; this time jaw clutch one side is fixed in the governor motion composition of this power transmission shaft relatively; should go up jaw clutch and coaxial fixing and movable this power transmission shaft that is set in of load gear ring; this time jaw clutch circumferentially is fixed in this power transmission shaft and axially can slides along this power transmission shaft; this governor motion can drive this time jaw clutch based on spring force and be engaged in jaw clutch on this; realize that this power transmission shaft normally drives load ring wheel and rotates; simultaneously when load ring wheel is obstructed should on jaw clutch can break away from and promote this time jaw clutch and move down, thereby this governor motion can compress based on spring and cushions moving down of this time jaw clutch.
As a further improvement on the present invention, this governor motion by spring that is set in this power transmission shaft successively and spring centring sleeve, this spring centring sleeve can be positioned this power transmission shaft arbitrarily and be fixed in the adjusting rod of this power transmission shaft end and the adjustment screw that cooperates with this adjusting rod is formed, this spring one end is supported in this spring centring sleeve anchor ring and the other end is supported in this time jaw clutch anchor ring.
As a further improvement on the present invention, this time jaw clutch inner ring surface axially is provided with a groove at least, to should this transmission shafts of groove to being convexly equipped with a strip convex part that can snap in this groove, be convenient to this time jaw clutch and axially can slide and circumferentially can be fixed in this power transmission shaft along this power transmission shaft based on this groove and this protuberance.
Useful technique effect of the present invention:
A plurality of identical spacing slotted eyes and cooperate a plurality of movable identical centering of stretching into piece that rises owing to evenly distribute on this positioning sleeve periphery, this circular cone bar conehead that rises rises in the middle of the piece can stretching into these a plurality of centering under this air cylinder driven, thereby force these a plurality of centering piece that rises outwards evenly to open by the spacing slotted eye on this positioning sleeve, be supported in pipe fitting inner wall equably, thereby realize and concentric this pipe fitting inner wall that is fixed in of this pipe fitting central shaft, so the detent mechanism of this automatic welding gun has and is positioned pipe fitting inner wall automatically fast.
Because last jaw clutch is fixed on the load ring wheel, following jaw clutch circumferentially is fixed on motor transmission shaft, and axially can move along motor transmission shaft, under the driving of the spring force of this governor motion, this time jaw clutch fits to jaw clutch, has realized the normal driven loads of motor.
When the load generation of being obstructed; and the jaw clutch rotational resistance is during greater than the spring force of governor motion; last jaw clutch promotes down, and jaw clutch moves down; upper and lower jaw clutch separately; at this moment, gear stops the rotation, but motor still rotates; the protection motor, so the driving mechanism of this automatic welding gun has the effect of motor transmission automatic overload protection.
Description of drawings
Fig. 1 is a half section structural representation of the present invention;
Fig. 2 is a structural representation of the present invention;
Fig. 3 is the half section structural representation of the detent mechanism described in the present invention;
Fig. 4 is the positioning sleeve installation diagram described in the present invention;
Fig. 5 is the half section structural representation of the driving mechanism described in the present invention;
Fig. 6 is the local structure for amplifying schematic diagram of A among Fig. 5;
Fig. 7 is one embodiment of the present of invention schematic diagram.
The specific embodiment
Below contrast Fig. 1 to Fig. 7 is further described:
As depicted in figs. 1 and 2, a kind of automatic welding gun, by detent mechanism 100, driving mechanism 200, welding gun 300 and rotating disk 400 are formed, being used for tube and tube or pipe and plate welds automatically, the centration axis of this detent mechanism based on bearing fixing in this rotating disk middle part, and relative this detent mechanism with welding gun of this driving mechanism is individually fixed in the both sides of this rotating disk, this rotating disk position between this driving mechanism and this detent mechanism is installed with transition gear 401, this transition gear meshes with fixed gear 101 engagements of being fixed in this centration axis and with the load ring wheel 250 that is fixed in this driving mechanism respectively, the motor of realizing this driving mechanism is by this load ring wheel, transition gear and fixed gear drive this rotating disk and rotate around this centration axis, thereby also driving this welding gun rotates around this centration axis, finish and rotate welding, this detent mechanism has the centering fixture of automatic location pipe fitting inner wall, spacing between this welding gun and this centration axis can be regulated, and this rotating disk can lifting relatively for this welding gun.
As shown in Figure 3, this fixture of feeling relieved, by cylinder 1, air cylinder connecting rod 2, pivot bush unit is in this air cylinder connecting rod and be fixed in the connecting rod cover 3 of this cylinder, the circular cone that the upper end is connected in this air cylinder connecting rod bar 4 that rises, pivot bush unit rises in this circular cone, and bar and upper end are communicated with and the positioning sleeve 5 that is fixed in this connecting rod cover lower port is formed, this connecting rod cover as the centration axis of this detent mechanism based on this rotating disk of bearing fixing, and be fixed in this fixed gear, this positioning sleeve lower end has tension mechanism and can stretch into the pipe fitting 7 of being felt relieved, this air cylinder connecting rod of this air cylinder driven and circular cone rise by bar when moving down, the tension mechanism that drives this positioning sleeve evenly outwards opens and is supported in by the centering pipe fitting inner wall, thus with concentric its inwall that also is fixed in automatically of this pipe fitting central shaft.
As shown in Figure 4, the tension mechanism of this positioning sleeve is the evenly a plurality of identical spacing slotted eyes 51 of distribution of this positioning sleeve lower end periphery, and cooperate the movable a plurality of identical centering of stretching into this spacing slotted eye piece 52 that rises, this positioning sleeve lower end wears ring spring 53 and is convenient to these a plurality of centering piece that rises and is contained within this positioning sleeve bottom, this circular cone of this air cylinder driven rises by bar when moving down, the rise conehead of bar of this circular cone is inserted into these a plurality of centering and rises in the middle of the piece, and drive this a plurality of centering piece that rises and outwards evenly open by the spacing slotted eye of these a plurality of correspondences respectively, thereby the concentric pipe fitting inner wall that also is fixed in automatically of this positioning sleeve and pipe fitting central shaft.
Three spacing slotted eyes evenly distribute on this positioning sleeve lower end periphery, correspondence is provided with three identical centering piece that rises, this centering piece front of rising is at right angles trapezoidal, and rising as this centering of lateral surface is provided with a notch 521 on the right-angle side of piece at least, is convenient to this ring spring and snaps in.
As shown in Figure 3; this positioning sleeve also activity wears splashproof cover 8; this splashproof cover surface is provided with screw and attachment screw can be fixed in this positioning sleeve; this splashproof cover is fixed in this positioning sleeve when touching this in this splashproof cover lower end and being felt relieved the pipe fitting port, and protects the tension mechanism of this positioning sleeve.
As shown in Figure 5 and Figure 6; this driving mechanism has Self-protective device of motor drive overload; be installed between motor 210 power transmission shafts 203 and this load ring wheel; it is by the last jaw clutch 201 and the following jaw clutch 202 of the relative engagement that is set in this power transmission shaft; this time jaw clutch one side is fixed in the governor motion composition of this power transmission shaft relatively; should go up jaw clutch and coaxial fixing and movable this power transmission shaft that is set in of load ring wheel; this time jaw clutch circumferentially is fixed in this power transmission shaft and axially can slides along this power transmission shaft; this governor motion can drive this time jaw clutch based on spring force and be engaged in jaw clutch on this; realize that this power transmission shaft normally drives load ring wheel and rotates; simultaneously when load ring wheel is obstructed should on jaw clutch can break away from and promote this time jaw clutch and move down, thereby this governor motion can compress based on spring and cushions moving down of this time jaw clutch.
This governor motion by spring 204 that is set in this power transmission shaft successively and spring centring sleeve 205, this spring centring sleeve can be positioned this power transmission shaft arbitrarily and be fixed in the adjusting rod 206 of this power transmission shaft end and the adjustment screw 207 that cooperates with this adjusting rod is formed, this spring one end is supported in this spring centring sleeve anchor ring and the other end is supported in this time jaw clutch anchor ring.
This time jaw clutch inner ring surface axially is provided with a groove at least, to should this transmission shafts of groove to being convexly equipped with a strip convex part that can snap in this groove, be convenient to this time jaw clutch and axially can slide and circumferentially can be fixed in this power transmission shaft along this power transmission shaft based on this groove and this protuberance.
Its operation principle is elaborated when welding automatically below in conjunction with Fig. 2, Fig. 3, Fig. 4 and Fig. 7:
1. location duty
Start this cylinder then and move downward, pneumatic connecting rod 2 drives these circular cones bar 4 that rises and moves down, and promotes the centering piece 51 that rises and outwards evenly opens, and welding gun fast, accurately is positioned soldered tube wall center.
2. break away from the location duty
Welding job finishes, when welding gun breaks away from location work:
Start this cylinder 1 and move upward, this pneumatic connecting rod 2 drives these circular cones bar 4 that rises and moves up, and breaks away from this centering piece 52 that rises.This centering piece that rises inwardly shrinks under the effect of these ring spring 53 pulling force, drives the tube wall that welding gun breaks away from this location, the welding that enters next pipe fitting.
Motor is usually run into load based on the power transmission shaft transmission and is obstructed in the prior art; at this moment, except that causing the motor safety pin cut off, even the serious accident that motor shaft is cut off can take place; therefore how making motor transmission shaft break away from driven loads under situation is obstructed in load, is the key of protection motor.The invention provides a kind of automatic welding gun, have Self-protective device of motor drive overload, can be under driven loads be obstructed situation, motor and motor transmission shaft can break away from load automatically, thus the protection motor.
Be described further below in conjunction with Fig. 5 and 6:
In carrying out automatic welding process, this welding gun is realized rotating around the centration axis of this detent mechanism based on the motor transmission of this driving mechanism, and motor rotates around this detent mechanism by gear drive, rotates around this detent mechanism thereby drive this welding gun.Because in limited space, manage when welding automatically with plate, through regular meeting welding wire and workpiece adhesion or welding gun and workpiece taking place and collide, thereby causes the motor transmission to be obstructed, seriously can make the motor damage.
Therefore at motor transmission shaft Self-protective device of motor drive overload of the present invention is installed, is driven load by jaw clutch on this and realize transmission.
The operation principle of this Self-protective device of motor drive overload is:
1. normal operating conditions:
This time jaw clutch is under the effect of the spring force of this governor motion and should be in closure state by last jaw clutch.This motor transmission shaft drives the rotation of this time jaw clutch, drives simultaneously to go up jaw clutch and gear rotation, welding gun operate as normal.
2. adhesion, collision status:
When welding wire adhesion or welding gun collision workpiece takes place; the gear rotation is obstructed; when rotational resistance during greater than the spring force of governor motion; promoting this time jaw clutch moves down; separate with jaw clutch on this, at this moment, gear stops the rotation; but motor still rotates, and protection motor, rifle body are not damaged.
Claims (8)
1. automatic welding gun, by detent mechanism (100), driving mechanism (200), welding gun (300) and rotating disk (400) are formed, being used for tube and tube or pipe and plate welds automatically, it is characterized in that, the centration axis of this detent mechanism (103) based on bearing fixing in this rotating disk middle part, and relative this detent mechanism with welding gun of this driving mechanism is individually fixed in the both sides of this rotating disk, this rotating disk position between this driving mechanism and this detent mechanism is installed with transition gear (401), this transition gear meshes with the fixed gear that is fixed in this centration axis (101) engagement and with the load ring wheel (250) that is fixed in this driving mechanism respectively, the motor of realizing this driving mechanism is by this load ring wheel, transition gear and fixed gear drive this rotating disk and rotate around this centration axis, thereby also driving this welding gun rotates around this centration axis, finish and rotate welding, this detent mechanism has the centering fixture of automatic location pipe fitting inner wall, spacing between this welding gun and this centration axis can be regulated, and this rotating disk can lifting relatively for this welding gun.
2. a kind of automatic welding gun as claimed in claim 1, it is characterized in that, this centering fixture is by cylinder (1), air cylinder connecting rod (2), pivot bush unit is in this air cylinder connecting rod and be fixed in the connecting rod cover (3) of this cylinder, the circular cone that the upper end is connected in this air cylinder connecting rod bar (4) that rises, pivot bush unit rises in this circular cone, and bar and upper end are communicated with and the positioning sleeve (5) that is fixed in this connecting rod cover lower port is formed, this connecting rod cover as the centration axis of this detent mechanism based on this rotating disk of bearing fixing, and be fixed in this fixed gear, this positioning sleeve lower end has tension mechanism and can stretch into the pipe fitting (7) of being felt relieved, this air cylinder connecting rod of this air cylinder driven and circular cone rise by bar when moving down, the tension mechanism that drives this positioning sleeve evenly outwards opens and is supported in by the centering pipe fitting inner wall, thus with concentric its inwall that also is fixed in automatically of this pipe fitting central shaft.
3. a kind of automatic welding gun as claimed in claim 2, it is characterized in that, the tension mechanism of this positioning sleeve is the evenly a plurality of identical spacing slotted eyes (51) of distribution of this positioning sleeve lower end periphery, and cooperate the movable a plurality of identical centering of stretching into this spacing slotted eye piece (52) that rises, this positioning sleeve lower end wears ring spring (53) and is convenient to these a plurality of centering piece that rises and is wrapped in this positioning sleeve bottom, this circular cone of this air cylinder driven rises by bar when moving down, the rise conehead of bar of this circular cone is inserted into these a plurality of centering and rises in the middle of the piece, and drive this a plurality of centering piece that rises and outwards evenly open by the spacing slotted eye of these a plurality of correspondences respectively, thereby the concentric pipe fitting inner wall that also is fixed in automatically of this positioning sleeve and pipe fitting central shaft.
4. a kind of automatic welding gun as claimed in claim 3, it is characterized in that, three spacing slotted eyes evenly distribute on this positioning sleeve lower end periphery, correspondence is provided with three identical centering piece that rises, this centering piece front of rising is at right angles trapezoidal, rising as this centering of lateral surface is provided with a notch (521) on the right-angle side of piece at least, is convenient to this ring spring and snaps in.
5. a kind of automatic welding gun as claimed in claim 2; it is characterized in that; this positioning sleeve also activity wears splashproof cover (8); this splashproof cover surface is provided with screw and attachment screw can be fixed in this positioning sleeve; this splashproof cover is fixed in this positioning sleeve when touching this in this splashproof cover lower end and being felt relieved the pipe fitting port, and protects the tension mechanism of this positioning sleeve.
6. a kind of automatic welding gun as claimed in claim 1 or 2; it is characterized in that; this driving mechanism has Self-protective device of motor drive overload; be installed between motor (210) power transmission shaft (203) and this load ring wheel; it is by the last jaw clutch (201) and the following jaw clutch (202) of the relative engagement that is set in this power transmission shaft; this time jaw clutch one side is fixed in the governor motion composition of this power transmission shaft relatively; should go up jaw clutch and coaxial fixing and movable this power transmission shaft that is set in of load ring wheel; this time jaw clutch circumferentially is fixed in this power transmission shaft and axially can slides along this power transmission shaft; this governor motion can drive this time jaw clutch based on spring force and be engaged in jaw clutch on this; realize that this power transmission shaft normally drives load ring wheel and rotates; simultaneously when load ring wheel is obstructed should on jaw clutch can break away from and promote this time jaw clutch and move down, thereby this governor motion can compress based on spring and cushions moving down of this time jaw clutch.
7. a kind of automatic welding gun as claimed in claim 6, it is characterized in that, this governor motion by spring that is set in this power transmission shaft successively (204) and spring centring sleeve (205), this spring centring sleeve can be positioned this power transmission shaft arbitrarily and be fixed in the adjusting rod (206) of this power transmission shaft end and the adjustment screw (207) that cooperates with this adjusting rod is formed, this spring one end is supported in this spring centring sleeve anchor ring and the other end is supported in this time jaw clutch anchor ring.
8. a kind of automatic welding gun as claimed in claim 6, it is characterized in that, this time jaw clutch inner ring surface axially is provided with a groove at least, to should this transmission shafts of groove to being convexly equipped with a strip convex part that can snap in this groove, be convenient to this time jaw clutch and axially can slide and circumferentially can be fixed in this power transmission shaft along this power transmission shaft based on this groove and this protuberance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100226437A CN100463765C (en) | 2005-12-22 | 2005-12-22 | Automatic welding gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100226437A CN100463765C (en) | 2005-12-22 | 2005-12-22 | Automatic welding gun |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1986143A CN1986143A (en) | 2007-06-27 |
| CN100463765C true CN100463765C (en) | 2009-02-25 |
Family
ID=38183154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100226437A Expired - Fee Related CN100463765C (en) | 2005-12-22 | 2005-12-22 | Automatic welding gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100463765C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102039468B (en) * | 2009-10-19 | 2013-04-17 | 深圳市瑞凌实业股份有限公司 | Automatic welding gun for tube-plate circumferential welding |
| CN103659142B (en) * | 2013-11-28 | 2016-01-27 | 苏州凯尔博精密机械有限公司 | A kind of water-purifying tank cutting bonding machine clamp system |
| CN105665893B (en) * | 2016-04-12 | 2018-06-26 | 魏松涛 | Gas metal-arc welding tube plate welder |
| CN106271273B (en) * | 2016-08-31 | 2017-10-17 | 浙江赛格园林机械有限公司 | A kind of roll blade synchronous welding device of lawn-mower hobbing cutter |
| CN114833429B (en) * | 2022-07-04 | 2022-09-13 | 江苏中矿新创新能源科技有限公司 | Special welding forming equipment for condenser parts |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2191058Y (en) * | 1993-11-19 | 1995-03-08 | 哈尔滨空气调节机厂 | Automatic welding gun for deep hole external angle |
| JPH1029061A (en) * | 1996-07-17 | 1998-02-03 | Toshiba Corp | Automatic tube end welding machine |
| JPH1085932A (en) * | 1996-09-13 | 1998-04-07 | Nippon Steel Corp | Y stud automatic welding equipment |
| US6414268B1 (en) * | 1998-11-23 | 2002-07-02 | Ap Amortiguadores, S.A. | Torch for welding systems in automatic processes |
| CN2848447Y (en) * | 2005-12-22 | 2006-12-20 | 昆山市华恒焊接设备技术有限责任公司 | Automatic welding gun |
-
2005
- 2005-12-22 CN CNB2005100226437A patent/CN100463765C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2191058Y (en) * | 1993-11-19 | 1995-03-08 | 哈尔滨空气调节机厂 | Automatic welding gun for deep hole external angle |
| JPH1029061A (en) * | 1996-07-17 | 1998-02-03 | Toshiba Corp | Automatic tube end welding machine |
| JPH1085932A (en) * | 1996-09-13 | 1998-04-07 | Nippon Steel Corp | Y stud automatic welding equipment |
| US6414268B1 (en) * | 1998-11-23 | 2002-07-02 | Ap Amortiguadores, S.A. | Torch for welding systems in automatic processes |
| CN2848447Y (en) * | 2005-12-22 | 2006-12-20 | 昆山市华恒焊接设备技术有限责任公司 | Automatic welding gun |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1986143A (en) | 2007-06-27 |
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Owner name: KUNSHAN HUAHENG WELDING CO.,LTD. Free format text: FORMER NAME: HUAHENG WELDING APPARATUS TECHNOLOGY CO., LTD., KUNSHAN CITY |
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| CP01 | Change in the name or title of a patent holder |
Address after: 215300 Overseas Students Pioneer Park, Kunshan Development Zone, Jiangsu Patentee after: Kunshan Huaheng Welding Co., Ltd. Address before: 215300 Overseas Students Pioneer Park, Kunshan Development Zone, Jiangsu Patentee before: Huaheng Welding Apparatus Technology Co., Ltd., Kunshan City |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090225 Termination date: 20201222 |