CN112676720A - Clamp for laser seamless welding - Google Patents
Clamp for laser seamless welding Download PDFInfo
- Publication number
- CN112676720A CN112676720A CN202011642896.5A CN202011642896A CN112676720A CN 112676720 A CN112676720 A CN 112676720A CN 202011642896 A CN202011642896 A CN 202011642896A CN 112676720 A CN112676720 A CN 112676720A
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- floating
- outer cylinder
- positioning block
- seamless welding
- inner cylinder
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Abstract
The invention provides a clamp for laser seamless welding, and belongs to the technical field of machinery. It has solved prior art and has had the poor problem of stability. The fixture for laser seamless welding comprises a rack, wherein a plate-shaped positioning plate is arranged on the rack, the fixture further comprises a first floating positioning block, a second floating positioning block, a base and a main shaft, the second floating positioning block is connected to the upper portion of the positioning plate through a second elastic reset assembly, a second through connecting hole is formed in the second floating positioning block, two ports of the connecting hole are provided with concave positioning seats, the middle of the base is arranged on the positioning plate in a penetrating mode, the two positioning seats are fixedly connected in the axial direction, the upper end of the base is embedded into the second connecting hole, the upper end of the main shaft is fixedly connected with the base, the lower end of the main shaft is used. This a anchor clamps stability for laser seamless welding is high.
Description
Technical Field
The invention belongs to the technical field of machinery, and relates to a clamp for laser seamless welding.
Background
The metal vacuum tank comprises a steel body and a steel bottom which are made of metal materials, the steel bottom punched with the Logo needs to be stably welded to the bottom of the steel body in the manufacturing process, the Logo is required to be on the same straight line with the Logo on the steel body, and the welding position needs to be in smooth transition without a connecting trace.
The traditional argon arc welding process has high temperature, inconsistent expansion and contraction of a welding workpiece, uneven welded seal after welding and easy welding breakage, and reduces the probability of leakage and breakage;
in the welding process, the steel body and the steel bottom cannot be aligned stably, so that the concentricity of the steel body and the steel bottom cannot be ensured, and the quality of a welded product is poor.
It can be seen that the argon arc welding process parameters and the focal length are complicated to adjust, a tungsten rod is required to be used, high requirements are provided for the operation skills of workers, and the operation efficiency is low.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provide a clamp for laser seamless welding, which has high stability and compact structure.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides an anchor clamps for laser seamless welding, includes the frame, has in the frame to be platelike locating plate, its characterized in that still includes floating locating piece one, floating locating piece two, base and main shaft, and above-mentioned floating locating piece two is connected on locating plate upper portion through elasticity reset assembly two, floating locating piece two is last to have a connecting hole two that runs through, and both ports department of connecting hole have recessed positioning seat, and above-mentioned base middle part is worn to establish on the locating plate and both axial links firmly, and above-mentioned base upper end inlays in connecting hole two, and above-mentioned main shaft upper end links firmly with the base, and the main shaft lower extreme is used for being connected with the driving piece, and above-mentioned floating locating piece one is located floating locating piece two upper portions, has in the floating locating piece one.
The metal vacuum tank comprises a cylindrical steel body and a disc-shaped steel bottom.
The steel bottom of the clamp for laser seamless welding is matched with the connecting seat, and the first connecting hole in the first floating positioning block is matched with the lower part of the steel body.
And in the welding operation process, the steel bottom is placed into the steel at the connecting seat, and the steel body is placed into the connecting hole I of the first floating positioning block.
The size of the lower end of the steel body is slightly smaller than that of the middle of the steel body, and the first connecting hole is matched with the lower portion of the steel body. Therefore, the steel body can be naturally positioned after being placed into the floating positioning block I.
Meanwhile, the steel bottom is stably positioned at the connecting seat.
The upper part of the steel body is pushed under the action of external force. The steel body is communicated with the floating positioning block to move downwards. Until the bottom of the steel body is contacted with the steel bottom.
And the first floating positioning block and the second floating positioning block continuously move downwards in the process of continuously applying the external force. At the moment, the steel body and the steel bottom are completely and stably attached, and the joint of the steel body and the steel bottom is positioned at the welding operation position. And the steel bottom is stably attached to the upper part of the base.
When the main shaft drives the base to rotate, the steel body and the steel bottom which are stably attached together also rotate along with the base. The welding head is fixed, and the stable welding of the joint of the steel body of the continuous stable turntable and the steel bottom can be realized in the rotating process.
In the above fixture for laser seamless welding, the second elastic reset assembly comprises a linear bearing and a second spring, two ends of the linear bearing are respectively connected to the second floating positioning block and the second positioning plate, the second spring is sleeved on the linear bearing, and two ends of the second spring respectively act on the second floating positioning block and the second positioning plate.
The second floating positioning block can stably move up and down relative to the positioning plate under the action of the linear bearing.
In the above-mentioned anchor clamps for laser seamless welding, the quantity of the second elastic reset assembly is a plurality of, and a plurality of second elastic reset assemblies use the axle center of the second connecting hole as the benchmark circumference equipartition.
The elastic reset components can enable the floating positioning block II to stably move upwards.
In the above fixture for laser seamless welding, a bearing is provided between the base and the positioning plate.
In the above-mentioned clamp for laser seamless welding, the first floating locating block includes a cylindrical outer cylinder and an inner cylinder, the outer cylinder is sleeved on the inner cylinder, the upper end of the inner cylinder extends out of the outer cylinder, a first elastic resetting component is arranged between the upper end of the inner cylinder and the upper end of the outer cylinder, the inner cylinder has a tendency of moving upwards under the action of the first elastic resetting component, and the first connecting hole is located inside the inner cylinder.
And a certain buffering effect is achieved between the inner barrel and the outer barrel under the action of the elastic resetting component II.
In the above-mentioned clamp for laser seamless welding, the upper end of the inner cylinder is provided with a connecting edge protruding outwards, the connecting edge is connected with a fixing screw through an upper thread, the upper end of the outer cylinder is provided with a concave guide hole, the lower end of the fixing screw is embedded in the guide hole, the first elastic reset component comprises a first spring, the first spring is sleeved on the fixing screw, and two ends of the first spring are respectively used on the connecting edge and the upper end of the outer cylinder.
The upper end of the fixing screw is fixedly connected to the inner cylinder, the lower end of the fixing screw is movably connected to the outer cylinder, and the inner cylinder tends to move upwards under the action of the elastic force of the spring I.
The structure can ensure that the whole floating positioning block has certain buffering function. The steel body on the first floating positioning block can gradually contact with the steel bottom.
In the clamp for laser seamless welding, the lower end of the outer cylinder is provided with a convex shoulder which protrudes towards the inner side of the outer cylinder in an annular mode, the lower end of the inner cylinder is provided with an annular concave avoidance notch, the clamp further comprises a jacking pin, the middle of the jacking pin is arranged on the convex shoulder in a penetrating mode, the upper end of the jacking pin abuts against the upper portion of the avoidance notch, and the lower end of the jacking pin extends out of the outer cylinder and abuts against the second floating positioning block.
The ejector pin can reduce the contact area of the first floating positioning block and the second floating positioning block and ensure that the first floating positioning block and the second floating positioning block can be separated smoothly.
Compared with the prior art, when the fixture for laser seamless welding applies external force to press the steel body in the floating positioning block I, the steel body can gradually contact with the steel bottom. Because the first floating positioning block is opposite to the second floating positioning block, the steel body and the steel bottom can be accurately abutted together, and the stability is high.
Simultaneously, the base drives the steel body and the steel end rotation that the laminating is in the same place, and the junction between them is steady to be rotated by the soldered connection department, and such structure can be to its junction stable welding, and its degree of automation and precision are all than higher.
Drawings
Fig. 1 is a schematic sectional structural view of the jig for laser seamless welding.
In the figure, 1, a positioning plate; 2. a first floating positioning block; 2a, connecting a hole I; 2b, an outer cylinder; 2b1, guide hole; 2b2, shoulder; 2c, an inner cylinder; 2c1, connecting edge; 2c2, an avoidance notch; 3. a second floating positioning block; 3a, connecting holes II; 3a1, connecting seat; 4. a base; 5. a main shaft; 6. a linear bearing; 7. a second spring; 8. a bearing; 9. a set screw; 10. a first spring; 11. a liftout pin; 12. a steel body; 13. and (5) a steel bottom.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
It will be understood that when an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.
As shown in figure 1, the clamp for laser seamless welding comprises a frame, wherein a plate-shaped positioning plate 1 is arranged on the frame, the clamp also comprises a floating positioning block I2, a floating positioning block II 3, a base 4 and a main shaft 5, the floating positioning block II 3 is connected to the upper part of the positioning plate 1 through an elastic resetting component II, the floating positioning block II 3 is provided with a through connecting hole II 3a, a port of the connecting hole II 3a is provided with a concave positioning seat 3a1, the middle part of the base 4 is arranged on the positioning plate 1 in a penetrating way and the positioning plate are fixedly connected in the axial direction, the upper end of the base 4 is embedded in the connecting hole II 3a, the upper end of the main shaft 5 is fixedly connected with the base 4, the lower end of the main shaft 5 is used for being connected with a driving piece, the floating positioning block I2 is positioned at the upper part of the floating positioning block II 3, a conical connecting hole I2 a is formed in the floating positioning block I2, and the connecting hole I2 a is right opposite to the positioning seat 3a 1.
The elastic reset assembly II comprises a linear bearing 6 and a spring II 7, two ends of the linear bearing 6 are respectively connected to the floating positioning block II 3 and the positioning plate 1, the spring II 7 is sleeved on the linear bearing 6, and two ends of the spring II 7 respectively act on the floating positioning block II 3 and the positioning plate 1.
The number of the second elastic reset assemblies is a plurality, and the second elastic reset assemblies are circumferentially and uniformly distributed by taking the axis of the second connecting hole 3a as a reference.
And a bearing 8 is arranged between the base 4 and the positioning plate 1.
The first floating positioning block 2 comprises a cylindrical outer cylinder 2b and an inner cylinder 2c, the outer cylinder 2b is sleeved on the inner cylinder 2c, the upper end of the inner cylinder 2c extends out of the outer cylinder 2b, a first elastic reset component is arranged between the upper end of the inner cylinder 2c and the upper end of the outer cylinder 2b, the inner cylinder 2c tends to move upwards under the action of the first elastic reset component, and the first connecting hole 2a is located inside the inner cylinder 2 c.
The upper end of the inner cylinder 2c is provided with a connecting edge 2c1 protruding outwards, the connecting edge 2c1 is in threaded connection with a fixing screw 9, the upper end of the outer cylinder 2b is provided with a concave guide hole 2b1, the lower end of the fixing screw 9 is embedded in the guide hole 2b1, the elastic resetting component I comprises a spring I10, the spring I10 is sleeved on the fixing screw 9, and two ends of the spring I10 respectively act on the connecting edge 2c1 and the upper end of the outer cylinder 2 b.
The lower end of the outer cylinder 2b is provided with a convex shoulder 2b2 which protrudes towards the inner side of the outer cylinder in an annular mode, the lower end of the inner cylinder 2c is provided with an annular concave avoidance notch 2c2, the ejection pin 11 is further included, the middle of the ejection pin 11 is arranged on the convex shoulder 2b2 in a penetrating mode, the upper end of the ejection pin 11 abuts against the upper portion of the avoidance notch 2c2, and the lower end of the ejection pin 11 extends out of the outer cylinder 2b and abuts against the floating positioning block II 3.
The metal vacuum tank comprises a cylindrical steel body and a disc-shaped steel bottom.
The steel bottom of the clamp for laser seamless welding is matched with the connecting seat, and the first connecting hole in the first floating positioning block is matched with the lower part of the steel body.
In the welding operation process, the steel bottom is placed in the connecting seat, and the steel body is placed in the connecting hole of the first floating positioning block.
The size of the lower end of the steel body is slightly smaller than that of the middle of the steel body, and the first connecting hole is matched with the lower portion of the steel body. Therefore, the steel body can be naturally positioned after being placed into the floating positioning block I.
Meanwhile, the steel bottom is stably positioned at the connecting seat.
The upper part of the steel body is pushed under the action of external force. The steel body is communicated with the floating positioning block to move downwards. Until the bottom of the steel body is contacted with the steel bottom.
And the first floating positioning block and the second floating positioning block continuously move downwards in the process of continuously applying the external force. At the moment, the steel body and the steel bottom are completely and stably attached, and the joint of the steel body and the steel bottom is positioned at the welding operation position. And the steel bottom is stably attached to the upper part of the base.
When the main shaft drives the base to rotate, the steel body and the steel bottom which are stably attached together also rotate along with the base. The welding head is fixed, and the stable welding of the joint of the steel body of the continuous stable turntable and the steel bottom can be realized in the rotating process.
The features of the above-described embodiments may be arbitrarily combined, and for the sake of brevity, all possible combinations of the features in the above-described embodiments are not described, but should be construed as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the features.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that suitable changes and modifications of the above embodiments are within the scope of the claimed invention as long as they are within the spirit and scope of the present invention.
Claims (7)
1. The utility model provides an anchor clamps for laser seamless welding, includes the frame, has in the frame to be platelike locating plate, its characterized in that still includes floating locating piece one, floating locating piece two, base and main shaft, and above-mentioned floating locating piece two is connected on locating plate upper portion through elasticity reset assembly two, floating locating piece two is last to have a connecting hole two that runs through, and both ports department of connecting hole have recessed positioning seat, and above-mentioned base middle part is worn to establish on the locating plate and both axial links firmly, and above-mentioned base upper end inlays in connecting hole two, and above-mentioned main shaft upper end links firmly with the base, and the main shaft lower extreme is used for being connected with the driving piece, and above-mentioned floating locating piece one is located floating locating piece two upper portions, has in the floating locating piece one.
2. The jig for laser seamless welding according to claim 1, wherein the second elastic reset assembly comprises a linear bearing and a second spring, two ends of the linear bearing are respectively connected to the second floating positioning block and the second positioning plate, the second spring is sleeved on the linear bearing, and two ends of the second spring respectively act on the second floating positioning block and the second positioning plate.
3. The clamp for laser seamless welding according to claim 2, wherein the number of the second elastic resetting components is several, and the second elastic resetting components are circumferentially and uniformly distributed by taking the axis of the second connecting hole as a reference.
4. The jig for laser seamless welding according to claim 3, characterized in that a bearing is provided between the base and the positioning plate.
5. The jig for laser seamless welding according to claim 4, wherein the first floating positioning block comprises an outer cylinder and an inner cylinder which are cylindrical, the outer cylinder is sleeved on the inner cylinder, the upper end of the inner cylinder extends out of the outer cylinder, a first elastic resetting component is arranged between the upper end of the inner cylinder and the upper end of the outer cylinder, the inner cylinder has a tendency of moving upwards under the action of the first elastic resetting component, and the connecting hole is located inside the inner cylinder.
6. The jig for laser seamless welding according to claim 5, wherein the upper end of the inner cylinder has a connection edge protruding outward, the connection edge is threadedly connected with a fixing screw, the upper end of the outer cylinder has a recessed guide hole, the lower end of the fixing screw is embedded in the guide hole, the elastic return member comprises a first spring, the first spring is sleeved on the fixing screw, and two ends of the first spring respectively act on the connection edge and the upper end of the outer cylinder.
7. The jig for laser seamless welding according to claim 6, wherein the lower end of the outer cylinder is provided with a convex shoulder which protrudes annularly towards the inner side of the outer cylinder, the lower end of the inner cylinder is provided with an avoidance notch which is recessed annularly, the jig further comprises a knockout pin, the middle part of the knockout pin is arranged on the convex shoulder in a penetrating mode, the upper end of the knockout pin abuts against the upper part of the avoidance notch, and the lower end of the knockout pin extends out of the outer cylinder and abuts against the second floating positioning block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011642896.5A CN112676720A (en) | 2020-12-25 | 2020-12-25 | Clamp for laser seamless welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011642896.5A CN112676720A (en) | 2020-12-25 | 2020-12-25 | Clamp for laser seamless welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112676720A true CN112676720A (en) | 2021-04-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011642896.5A Pending CN112676720A (en) | 2020-12-25 | 2020-12-25 | Clamp for laser seamless welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112676720A (en) |
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| US20040079116A1 (en) * | 2002-10-28 | 2004-04-29 | Kozora Joseph W. | Self-aligning impact tolerant I.S. machine cartridge assembly |
| JP2013146744A (en) * | 2012-01-17 | 2013-08-01 | Kyowa Seisakusho:Kk | Nut welding tool |
| CN204195146U (en) * | 2014-11-06 | 2015-03-11 | 沈阳黎明航空发动机(集团)有限责任公司 | A kind of weld jig utilizing floating support to locate thin-wall part |
| TWM509277U (en) * | 2015-03-23 | 2015-09-21 | Hanwit Prec Ind Ltd | Improved structure for positioning device |
| CN107214281A (en) * | 2017-05-23 | 2017-09-29 | 辽宁五八内燃机配件有限公司 | A kind of ship machine connecting rod forging blanking mold and application method |
| CN206567733U (en) * | 2017-03-06 | 2017-10-20 | 中航湖南通用航空发动机有限公司 | A kind of weld jig |
| US20170312834A1 (en) * | 2016-05-01 | 2017-11-02 | Citic Dicastal Co., Ltd | Vehicle wheel lathe fixture |
| CN209811561U (en) * | 2019-03-16 | 2019-12-20 | 弗瑞斯阀门(宁波)有限公司 | Welding positioning fixture for valve liner of balance valve |
| CN209936424U (en) * | 2019-04-04 | 2020-01-14 | 金晖(中山)金属制造有限公司 | Positioning base for accurate positioning clamp of watchcase |
| CN111545913A (en) * | 2020-06-12 | 2020-08-18 | 安徽省富光实业股份有限公司 | Floating laser welding mould and laser welding equipment based on same |
-
2020
- 2020-12-25 CN CN202011642896.5A patent/CN112676720A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040079116A1 (en) * | 2002-10-28 | 2004-04-29 | Kozora Joseph W. | Self-aligning impact tolerant I.S. machine cartridge assembly |
| JP2013146744A (en) * | 2012-01-17 | 2013-08-01 | Kyowa Seisakusho:Kk | Nut welding tool |
| CN204195146U (en) * | 2014-11-06 | 2015-03-11 | 沈阳黎明航空发动机(集团)有限责任公司 | A kind of weld jig utilizing floating support to locate thin-wall part |
| TWM509277U (en) * | 2015-03-23 | 2015-09-21 | Hanwit Prec Ind Ltd | Improved structure for positioning device |
| US20170312834A1 (en) * | 2016-05-01 | 2017-11-02 | Citic Dicastal Co., Ltd | Vehicle wheel lathe fixture |
| CN206567733U (en) * | 2017-03-06 | 2017-10-20 | 中航湖南通用航空发动机有限公司 | A kind of weld jig |
| CN107214281A (en) * | 2017-05-23 | 2017-09-29 | 辽宁五八内燃机配件有限公司 | A kind of ship machine connecting rod forging blanking mold and application method |
| CN209811561U (en) * | 2019-03-16 | 2019-12-20 | 弗瑞斯阀门(宁波)有限公司 | Welding positioning fixture for valve liner of balance valve |
| CN209936424U (en) * | 2019-04-04 | 2020-01-14 | 金晖(中山)金属制造有限公司 | Positioning base for accurate positioning clamp of watchcase |
| CN111545913A (en) * | 2020-06-12 | 2020-08-18 | 安徽省富光实业股份有限公司 | Floating laser welding mould and laser welding equipment based on same |
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