CN112676720B - Clamp for laser seamless welding - Google Patents
Clamp for laser seamless welding Download PDFInfo
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- CN112676720B CN112676720B CN202011642896.5A CN202011642896A CN112676720B CN 112676720 B CN112676720 B CN 112676720B CN 202011642896 A CN202011642896 A CN 202011642896A CN 112676720 B CN112676720 B CN 112676720B
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- floating
- outer cylinder
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- locating
- base
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- 238000003466 welding Methods 0.000 title claims abstract description 36
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 77
- 239000010959 steel Substances 0.000 claims description 77
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 238000000034 method Methods 0.000 description 11
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 101000623895 Bos taurus Mucin-15 Proteins 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
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- Laser Beam Processing (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention provides a clamp for laser seamless welding, and belongs to the technical field of machinery. It has solved the problem that prior art exists stability poor. The clamp for laser seamless welding comprises a frame, a locating plate which is plate-shaped is arranged on the frame, a first floating locating block, a second floating locating block, a base and a main shaft, wherein the second floating locating block is connected to the upper portion of the locating plate through an elastic reset component, a second through connecting hole is formed in the second floating locating block, a concave locating seat is formed in a position of a port of the second connecting hole, the middle of the base is arranged on the locating plate in a penetrating mode, the middle of the base is fixedly connected with the locating plate in an axial mode, the upper end of the base is embedded in 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 connected with a driving piece, and the first floating locating block is located on the upper portion of the second floating locating block. The clamp for laser seamless welding is high in stability.
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 which is punched with Logo is required to be welded at the bottom of the steel body stably in the manufacturing process, the Logo and the steel body are required to be on the same straight line, and the welding part is required to be in smooth transition without connecting marks.
The temperature is high in the traditional argon arc welding process, the expansion and contraction of the welded workpiece are inconsistent, the welded seal is uneven after welding, and the welding is easy to break, so that the probability of leakage and breakage is reduced;
In the welding process, the positions of the steel body and the steel bottom cannot be aligned stably, so that concentricity of the steel body and the steel bottom cannot be ensured, and the quality of a welded product is relatively poor.
It can be seen that the argon arc welding process parameters and the focal length are complicated to adjust, a tungsten rod is needed to be used, high requirements are put on the operation skills of staff, 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 aim of the invention can be achieved by the following technical scheme:
the clamp for the laser seamless welding comprises a frame, wherein a locating plate which is plate-shaped is arranged on the frame, and the clamp is characterized by further comprising a first floating locating block, a second floating locating block, a base and a main shaft, wherein the first floating locating block is connected to the upper portion of the locating plate through an elastic reset component II, a through connecting hole II is formed in the second floating locating block, a concave locating seat is arranged at a port of the second connecting hole, the middle of the base is arranged on the locating plate in a penetrating mode and is fixedly connected with the locating plate in an axial mode, the upper end of the base is embedded in 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 connected with a driving piece, the first floating locating block is located on the upper portion of the second floating locating block, and the first connecting hole which is in a conical hole shape is opposite to the locating seat.
The metal vacuum tank comprises a cylindrical steel body and a disc-shaped steel bottom.
In the clamp for laser seamless welding, the steel bottom is matched with the connecting seat, and the connecting hole I 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 into the steel at the connecting seat, and the steel body is placed into the first connecting hole of the first floating positioning block.
The size of the lower end of the steel body is slightly smaller than the size of the middle part of the steel body, and the first connecting hole is matched with the lower part of the steel body. Therefore, the steel body can be positioned naturally after being placed in the first floating positioning block.
Meanwhile, the steel bottom is stably positioned at the connecting seat.
Pushing the upper part of the steel body 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 in the process of continuously applying the external force, the first floating positioning block and the second floating positioning block continuously move downwards. At this time, the steel body and the steel bottom are not only completely and stably attached, but also the joint of the steel body and the steel bottom is positioned at the welding operation position. And the steel bottom is stably abutted against the upper part of the base.
In the process of the main shaft driving the base to rotate, the steel body and the steel bottom which are stably attached together also rotate along with each other. 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 clamp for laser seamless welding, the elastic reset assembly II comprises a linear bearing and a spring II, two ends of the linear bearing are respectively connected to the floating positioning block II and the positioning plate, the spring II is sleeved on the linear bearing, and two ends of the spring II are respectively acted on the floating positioning block II and the positioning plate.
The floating positioning block II can stably move up and down relative to the positioning plate under the action of the linear bearing.
In the clamp for laser seamless welding, the number of the elastic reset assemblies II is a plurality, and the elastic reset assemblies II are circumferentially and uniformly distributed by taking the axle center of the connecting hole II as a reference.
The plurality of elastic reset components can enable the floating positioning block II to stably move upwards.
In the clamp for laser seamless welding, a bearing is arranged between the base and the positioning plate.
In the fixture for laser seamless welding, the first floating positioning block comprises 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, an elastic reset component I is arranged between the upper end of the inner cylinder and the upper end of the outer cylinder, the inner cylinder has a trend of upward movement under the action of the elastic reset component I, and the first connecting hole is positioned inside the inner cylinder.
And a certain buffer effect is provided between the inner cylinder and the outer cylinder under the action of the elastic reset component II.
In the above-mentioned clamp for laser seamless welding, the upper end of the inner cylinder has a connecting edge protruding outwards, the connecting edge is connected with a fixing screw in a threaded manner, the upper end of the outer cylinder has a concave guiding hole, the lower end of the fixing screw is embedded in the guiding hole, the elastic reset component I comprises a spring I, the spring I is sleeved on the fixing screw, and two ends of the spring I are respectively acted on the connecting edge and the upper end of the outer cylinder.
The upper end of the fixed screw is fixedly connected to the inner cylinder, the lower end of the fixed screw is movably connected to the outer cylinder, and the inner cylinder has a tendency to move upwards under the action of the elastic force of the first spring.
The structure can enable the whole floating positioning block I to have a certain buffering effect. The steel body positioned 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 protruding towards the inner side of the outer cylinder in an annular mode, the lower end of the inner cylinder is provided with an avoidance notch recessed in an annular mode, the clamp also 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 material ejection 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 smoothly separated.
Compared with the prior art, when the clamp for laser seamless welding applies external force to press down the steel body in the first floating positioning block, 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 higher.
Simultaneously, the base drives the steel body and the steel bottom that the laminating is in the same place and rotates, and the junction of both is steady by the welded joint department rotation, and such structure can be to its junction stable welding, and its degree of automation and precision are all higher.
Drawings
Fig. 1 is a schematic cross-sectional structure of the present jig for laser seamless welding.
In the figure, 1, a positioning plate; 2. a first floating positioning block; 2a, a first connecting hole; 2b, an outer cylinder; 2b1, guide holes; 2b2, shoulder; 2c, an inner cylinder; 2c1, connecting edges; 2c2, avoiding notches; 3. a floating positioning block II; 3a, a second connecting hole; 3a1, a connecting seat; 4. a base; 5. a main shaft; 6. a linear bearing; 7. a second spring; 8. a bearing; 9. a fixing screw; 10. a first spring; 11. a liftout pin; 12. a steel body; 13. and (5) a steel bottom.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, are intended to fall within the scope of the present invention.
It is noted 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 an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements 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. The term "or/and" as used herein includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, the clamp for laser seamless welding comprises a frame, a positioning plate 1 in a plate shape is arranged on the frame, a first floating positioning block 2, a second floating positioning block 3, a base 4 and a main shaft 5 are further arranged on the frame, the second floating positioning block 3 is connected to the upper portion of the positioning plate 1 through an elastic reset component, a through connecting hole 3a is formed in the second floating positioning block 3, a concave positioning seat 3a1 is formed at a port of the connecting hole 3a, the middle of the base 4 is arranged on the positioning plate 1 in a penetrating mode and is fixedly connected with the positioning plate in an axial mode, the upper end of the base 4 is embedded in the connecting hole 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 first floating positioning block 2 is located on the upper portion of the second floating positioning block 3, a conical connecting hole 2a is formed in the first floating positioning block 2, and the connecting hole 2a is 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 are respectively acted on the floating positioning block II 3 and the positioning plate 1.
The number of the elastic reset components II is a plurality, and the elastic reset components II are circumferentially and uniformly distributed by taking the axle center of the connecting hole II 3a as a reference.
A bearing 8 is arranged between the base 4 and the locating 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, an elastic reset component I is arranged between the upper end of the inner cylinder 2c and the upper end of the outer cylinder 2b, the inner cylinder 2c has a upward moving trend under the action of the elastic reset component I, and the first connecting hole 2a is positioned 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 connected with a fixing screw 9 in a threaded manner, 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 reset assembly 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 upper ends of the connecting edge 2c1 and the outer cylinder 2 b.
The lower end of the outer cylinder 2b is provided with a convex shoulder 2b2 protruding towards the inner side in an annular mode, the lower end of the inner cylinder 2c is provided with an avoidance notch 2c2 recessed in an annular mode, the device further comprises a jacking pin 11, the middle of the jacking pin 11 is arranged on the convex shoulder 2b2 in a penetrating mode, the upper end of the jacking pin 11 abuts against the upper portion of the avoidance notch 2c2, and the lower end of the jacking 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.
In the clamp for laser seamless welding, the steel bottom is matched with the connecting seat, and the connecting hole I 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 first connecting hole of the first floating positioning block.
The size of the lower end of the steel body is slightly smaller than the size of the middle part of the steel body, and the first connecting hole is matched with the lower part of the steel body. Therefore, the steel body can be positioned naturally after being placed in the first floating positioning block.
Meanwhile, the steel bottom is stably positioned at the connecting seat.
Pushing the upper part of the steel body 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 in the process of continuously applying the external force, the first floating positioning block and the second floating positioning block continuously move downwards. At this time, the steel body and the steel bottom are not only completely and stably attached, but also the joint of the steel body and the steel bottom is positioned at the welding operation position. And the steel bottom is stably abutted against the upper part of the base.
In the process of the main shaft driving the base to rotate, the steel body and the steel bottom which are stably attached together also rotate along with each other. 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 technical features of the above-described embodiments may be combined in any manner, and for brevity, all of the possible combinations of the technical features of the above-described embodiments are not described, however, all of the combinations of the technical features should be considered as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.
It will be appreciated by persons skilled in the art that the above embodiments have been provided for the purpose of illustrating the invention and are not to be construed as limiting the invention, and that suitable modifications and variations of the above embodiments are within the scope of the invention as claimed.
Claims (1)
1. The clamp for laser seamless welding comprises a frame, wherein a locating plate in a plate shape is arranged on the frame, a metal vacuum tank comprises a cylindrical steel body and a disc-shaped steel bottom, and is characterized by further comprising a first floating locating block, a second floating locating block, a base and a main shaft, wherein the second floating locating block is connected to the upper part of the locating plate through a second elastic resetting component, a through connecting hole II is formed in the second floating locating block, a concave locating seat is arranged at a port of the second connecting hole, the middle part of the base is arranged on the locating plate in a penetrating manner, the two base are axially fixedly connected, the upper end of the base is embedded in 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 connected with a driving piece, the first floating locating block is positioned at the upper part of the first floating locating block, and the first connecting hole in a conical hole is opposite to the locating seat;
The elastic reset assembly II comprises a linear bearing and a spring II, wherein two ends of the linear bearing are respectively connected to the floating positioning block II and the positioning plate;
the number of the elastic reset components II is a plurality, and the elastic reset components II are circumferentially and uniformly distributed by taking the axle center of the connecting hole II as a reference;
a bearing is arranged between the base and the positioning plate;
The first floating positioning block comprises 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, an elastic reset component I 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 upward movement under the action of the elastic reset component I, and the first connecting hole is positioned in the inner cylinder;
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 threads, 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 elastic reset assembly I comprises a spring I, the spring I is sleeved on the fixing screw, and two ends of the spring I respectively act on the connecting edge and the upper end of the outer cylinder;
The lower end of the outer cylinder is provided with a convex shoulder protruding towards the inner side of the outer cylinder in an annular mode, the lower end of the inner cylinder is provided with an avoidance notch recessed in an annular mode, the outer cylinder also 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;
in the clamp for laser seamless welding, a steel bottom is matched with a connecting seat, and a connecting hole I in a floating positioning block I is matched with the lower part of a steel body;
The size of the lower end of the steel body is slightly smaller than the size of the middle part of the steel body, and the first connecting hole is matched with the lower part of the steel body; therefore, the steel body can be positioned naturally after being placed in the first floating positioning block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011642896.5A CN112676720B (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 CN112676720B (en) | 2020-12-25 | 2020-12-25 | Clamp for laser seamless welding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112676720A CN112676720A (en) | 2021-04-20 |
| CN112676720B true CN112676720B (en) | 2024-05-28 |
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ID=75456858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011642896.5A Active CN112676720B (en) | 2020-12-25 | 2020-12-25 | Clamp for laser seamless welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112676720B (en) |
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| 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 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6907754B2 (en) * | 2002-10-28 | 2005-06-21 | Joseph W. Kozora | Self-aligning impact tolerant I.S. machine cartridge assembly |
| TWM509277U (en) * | 2015-03-23 | 2015-09-21 | Hanwit Prec Ind Ltd | Improved structure for positioning device |
| CN105798680A (en) * | 2016-05-01 | 2016-07-27 | 中信戴卡股份有限公司 | Automobile wheel lathe clamp |
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2020
- 2020-12-25 CN CN202011642896.5A patent/CN112676720B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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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| Publication number | Publication date |
|---|---|
| CN112676720A (en) | 2021-04-20 |
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