CN202984886U - Argon tungsten-arc welding device of barrel shaped thin plate butt joint structure - Google Patents
Argon tungsten-arc welding device of barrel shaped thin plate butt joint structure Download PDFInfo
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- CN202984886U CN202984886U CN 201220453739 CN201220453739U CN202984886U CN 202984886 U CN202984886 U CN 202984886U CN 201220453739 CN201220453739 CN 201220453739 CN 201220453739 U CN201220453739 U CN 201220453739U CN 202984886 U CN202984886 U CN 202984886U
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- thin plate
- guide rail
- arc welding
- tubular thin
- protection piece
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Abstract
The utility model discloses an argon tungsten-arc welding device of a barrel shaped thin plate butt joint structure. The argon tungsten-arc welding device of the barrel shaped thin plate butt joint structure comprises a base and a fixture seat and a guide rail. The fixture seat and the guide rail are arranged on the base seat. The guide rail is connected with an umbrella shaped linkage mechanism. The linkage mechanism comprises at least three protective blocks arranged in a circumference mode, steering motors correspondingly connected with the protective blocks, a fixing block and a sliding block which are arranged on the guide rail. One ends of the steering motors and the fixing block and the sliding block are respectively connected through connecting rods. The other ends of the steering motors are connected with the protective blocks. Due to the fact that the linkage mechanism is arranged on the guide rail, the protective blocks connected with the linkage mechanism are enabled to contract and distract and is in an umbrella shape through the linkage mechanism and the guide rail, not only to-be-welded work pieces can be well coordinated in a butt joint mode, but also the protective blocks connected with the inner surface of the to-be-welded work pieces in an abut mode can achieve cooling and protecting of the back surface of a welding seam in the process of welding, and service life of welding products is prolonged.
Description
Technical field
The utility model relates to field of welding devices, relates in particular to a kind of Gas Tungsten Arc Welding equipment of tubular thin plate docking structure.
Background technology
Tubular thin plate docking structure be two tubular thin plates over against setting, and girth welding is carried out in its junction, thereby makes it form docking.Due to gauge of sheet all thinner (for example 3mm), to add it and be stainless material, self constraint (restraint) degree is little, and easily distortion, and the butt welding of two tubular thin plates contact end face is also less, is difficult to realize circular seam welding.In addition due to stainless steel thermal conductivity factor little (be about normal low carbon steel 1/3), but linear expansion coefficient is larger, during all welding, variations in temperature is very fast, consequent thermal stress is more much bigger than the thermal stress of normal temperature existence of lower time, is easy to occur the defectives such as common welding deformation (mostly being greatly wave transformation).
Therefore, available technology adopting lap joint form realizes girth welding, the port that is about to one of them tubular thin plate carries out the enlarging operation, another tubular thin plate can be linked in the enlarging of this tubular thin plate formation, then carry out soldering by the welding rifle in the lap-joint of two tubular thin plates.Though so can solve the defective of welding deformation, but can produce the structure gap at the lap joint place, thereby cause the crevice corrosion of steel, the service life of reducing welded articles.
In addition, if the tubular thin plate is the end cap of closed container and the welding of ladle body section, also be difficult to realize the cooling of back of weld and protection, cause the girth welding joint to become the life-span short slab of whole container.
Summary of the invention
Main purpose of the present utility model is to provide a kind of Gas Tungsten Arc Welding equipment of tubular thin plate docking structure, is intended to improve the welding efficiency of tubular thin plate docking structure, extends the service life of welded articles.
The Gas Tungsten Arc Welding equipment of a kind of tubular thin plate docking structure that the utility model proposes; comprise pedestal and be arranged on clamping fixture seat and guide rail on pedestal; this guide rail is connected with the umbrella link gear; this link gear comprises the protection piece of at least three circumferential arrangement, with the steer motor of protection piece corresponding connection, be arranged on fixed block and sliding shoe on guide rail; be connected by connecting rod respectively between one end of described steer motor and fixed block and sliding shoe, the other end of described steer motor is connected with the protection piece.
Preferably, described protection piece is evenly distributed on the circumference of axle centered by guide rail.
Preferably, also comprise for the first control device of controlling steer motor and control the first actuating cylinder that sliding shoe vertically moves on guide rail.
Preferably, described clamping fixture seat comprises the first clamping part and the second clamping part that is separately positioned on the pedestal two ends, described the first clamping part clamping one tubular thin plate, described another tubular thin plate of the second clamping part clamping; Described the first clamping part or the second clamping part are connected with and drive the second actuating cylinder that the first clamping part or the second clamping part vertically move.
Preferably, also comprise the second control device of controlling clamping fixture seat and guide rail rotation.
Preferably, described protection piece is the arc cuboid, and the intrados of described protection piece is connected with described motor; Be provided with water channel and air flue in described protection piece, and protect the middle part of piece intrados to be provided with the air admission hole that is communicated with air flue, both sides are provided with inlet opening and the apopore that is communicated with water channel; Protection piece extrados is provided with protector, and is provided with the venthole that is communicated with air flue in this protector.
Preferably, also comprise feeder and water supply installation, the gas delivery port of described feeder is connected with described air admission hole, and the delivery port of described water supply installation is connected with described inlet opening, and the water return outlet of described water supply installation is connected with described apopore.
The utility model is by arranging link gear on guide rail; thereby make the protection piece that is connected with link gear can draw in and strut by link gear and guide rail and be umbrella; not only make workpiece to be welded can dock well cooperation; and the cooling and protection of back of weld when being connected to protection piece on work piece inner surface to be welded and also having realized welding, extended service life of welded articles.
Description of drawings
Fig. 1 is the structural representation of the Gas Tungsten Arc Welding equipment preferred embodiment of the utility model tubular thin plate docking structure;
Fig. 2 is the structural representation of facing of protecting piece in Fig. 1;
Fig. 3 is the plan structure schematic diagram of protection piece in Fig. 1;
Fig. 4 is the side-looking structural representation of protection piece in Fig. 1.
The realization of the utility model purpose, functional characteristics and advantage are described further with reference to accompanying drawing in connection with embodiment.
The specific embodiment
Further illustrate the technical solution of the utility model below in conjunction with Figure of description and specific embodiment.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
with reference to Fig. 1, Fig. 1 is the Gas Tungsten Arc Welding equipment preferred embodiment of the utility model tubular thin plate docking structure, the Gas Tungsten Arc Welding equipment of this tubular thin plate docking structure comprises pedestal 10 and is arranged on clamping fixture seat 20 and guide rail 30 on pedestal 10, this guide rail 30 is connected with umbrella link gear 40, this link gear 40 comprises at least three steer motor 41, be arranged on fixed block 42 and sliding shoe 43 on guide rail 30, be connected by connecting rod respectively between one end of described steer motor 41 and fixed block 42 and sliding shoe 43, the other end of described steer motor 41 is connected with protection piece 50.
Particularly, be provided with guide rail 30 and clamping fixture seat 20 on pedestal 10.This clamping fixture seat 20 can for being arranged on the fixture at pedestal 10 two ends, be used for the tubular thin plate of clamping two docking.This clamping fixture seat 20 also can comprise clamping plate and be arranged on fixed part on clamping plate, and this fixed part is used for fixedly tubular thin plate, after clamping plate can be used for two tubular plate-shaped and becomes docking, with two tubular thin plates clampings, is convenient to the welding of its joint.Guide rail 30 is provided with fixed block 42 and sliding shoe 43, and namely fixed block 42 is fixedly connected with guide rail 30, and 43 of sliding shoes are slidably connected with guide rail 30, and it can slide on the longitudinal direction of guide rail 30 with respect to guide rail 30.Connecting rod comprises first connecting rod 441 and second connecting rod 442, and this first connecting rod 441 is connected between steer motor 41 and fixed block 42, and second connecting rod 442 is connected between steer motor 41 and sliding shoe 43.Steer motor 41 is connected with protection piece 50 again, and protects piece 50 to be circumferential arrangement, is evenly distributed on the circumference of axle centered by guide rail 30.
When workpiece to be welded forms docking, and when being clamped by clamping fixture seat 20, can mobile sliding shoe 43, scatter and be circle-shaped thereby drive protection pieces 50 by connecting rod 44, and be close to the weld seam of workpiece to be welded.After workpiece to be welded was located, the weld seam that welding gun 2 is aimed at workpiece to be welded welded, and protects simultaneously piece 50 to be connected on work piece inner surface to be welded, rose and was out of shape with oxidation and the temperature that prevents work piece inner surface to be welded.When workpiece welding to be welded finishes, first will protect piece 50 to rotate to the output shaft half-twist of motor by steer motor 41, more mobile sliding shoe 43, make protection piece 50 be the gathering shape near guide rail 30 motions, thereby can take out the good workpiece of welding.
The utility model is by arranging link gear 40 on guide rail 30; thereby make the protection piece 50 that is connected with link gear 40 can draw in and strut by link gear 40 and guide rail and be umbrella; not only make workpiece to be welded can dock well cooperation; and the cooling and protection of back of weld when being connected to protection piece 50 on work piece inner surface to be welded and also having realized welding, extended service life of welded articles.
Further, the Gas Tungsten Arc Welding equipment of above-mentioned tubular thin plate docking structure also comprises for the first control device (not shown) of controlling steer motor 41 and control the first actuating cylinder (not shown) that sliding shoe 43 vertically moves on guide rail 30.Not only can realize the automatic control ability of welding equipment by first control device and the first actuating cylinder, but also make the precise positioning of protecting piece 50 and weld seam in welding equipment.
Further, above-mentioned clamping fixture seat 20 comprises the first clamping part 21 and the second clamping part 22 that is separately positioned on pedestal 10 two ends, described the first clamping part 21 clamping one tubular thin plates, described second another tubular thin plate of clamping part 22 clampings; Described the first clamping part 21 or the second clamping part 22 are connected with and drive the second actuating cylinder (not shown) that the first clamping part 21 or the second clamping part 22 vertically move.Distance by between second actuating cylinder adjusting the first clamping part 21 and the second clamping part 22 makes this clamping fixture seat 20 tubular thin plate of clamping different size flexibly.
Further, assemble and be suitable in the process that welding gun welds at this welding equipment, can drive welding gun along weld movement, thereby during one week, namely complete welding around weld movement at welding gun.Also can drive whole welding equipment rotates.For example, the Gas Tungsten Arc Welding equipment of above-mentioned tubular thin plate docking structure also comprises the second control device (not shown) of controlling clamping fixture seat 20 and guide rail 30 rotations.By second control device, control clamping fixture seat 20 and guide rail 30 rotations, thereby driving whole welding equipment rotation during one week, namely complete welding.
Further, with reference to Fig. 2-Fig. 4, above-mentioned protection piece 50 is the arc cuboid, and the intrados 51 of described protection piece 50 is connected with described steer motor 41; Be provided with water channel 501 and air flue 502 in described protection piece 50, and protect the middle part of piece 50 intrados 51 to be provided with the air admission hole 511 that is communicated with air flue, both sides are provided with inlet opening 512 and the apopore 513 that is communicated with water channel; Protection piece 50 extrados 52 are provided with protector 521, and are provided with the venthole 522 that is communicated with air flue in this protector 521.
Further, the Gas Tungsten Arc Welding equipment of above-mentioned tubular thin plate docking structure also comprises feeder and water supply installation (not shown), the gas delivery port of described feeder is connected with described air admission hole 511, the delivery port of described water supply installation is connected with described inlet opening 512, and the water return outlet of described water supply installation is connected with described apopore 513.
In welding process, the water (flow) direction in protection piece 50 is as shown in arrow B in Fig. 2, and airflow direction is as shown in arrow A in Fig. 2.The cooling water that water supply installation produces 512 enters from the inlet opening, and flows out from apopore 513 by water channel 501.Simultaneously, the gas of feeder output enters from air admission hole 511, and overflows from the venthole 522 of protector 521 by air flue 502.The processing of lowering the temperature of the interior cooling water butt welded seam of water channel 501 place by protection piece 50; venthole 522 escaping gas of protection piece 50 carry out anti-oxidation processing; thereby improved the quality of weld seam, avoided crevice corrosion and weld seam oxidation in the welding of circumferential weld overlap joint in prior art.The gas of this feeder output is inert gas or the fire-retardant gas such as nitrogen, carbon dioxide.
For when welding equipment assembles; the weld seam of workpiece to be welded just be in the protection piece 50 directly over; can insert venthole 522 by keeper, thereby make workpiece to be welded adjust the position of the first clamping part and the second clamping part when clamping, to carry out the accurate location of workpiece to be welded.
The above is only preferred embodiment of the present utility model; not thereby limit its scope of the claims; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to do; directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present utility model.
Claims (7)
1. the Gas Tungsten Arc Welding equipment of a tubular thin plate docking structure; it is characterized in that; comprise pedestal and be arranged on clamping fixture seat and guide rail on pedestal; this guide rail is connected with the umbrella link gear; this link gear comprises the protection piece of at least three circumferential arrangement, with the steer motor of protection piece corresponding connection, be arranged on fixed block and sliding shoe on guide rail; be connected by connecting rod respectively between one end of described steer motor and fixed block and sliding shoe, the other end of described steer motor is connected with the protection piece.
2. the Gas Tungsten Arc Welding equipment of tubular thin plate docking structure according to claim 1, is characterized in that, described protection piece is evenly distributed on the circumference of axle centered by guide rail.
3. the Gas Tungsten Arc Welding equipment of tubular thin plate docking structure according to claim 1, is characterized in that, also comprises for the first control device of controlling steer motor and control the first actuating cylinder that sliding shoe vertically moves on guide rail.
4. the Gas Tungsten Arc Welding equipment of tubular thin plate docking structure according to claim 3, it is characterized in that, described clamping fixture seat comprises the first clamping part and the second clamping part that is separately positioned on the pedestal two ends, described the first clamping part clamping one tubular thin plate, described another tubular thin plate of the second clamping part clamping; Described the first clamping part or the second clamping part are connected with and drive the second actuating cylinder that the first clamping part or the second clamping part vertically move.
5. the Gas Tungsten Arc Welding equipment of tubular thin plate docking structure according to claim 3, is characterized in that, also comprises the second control device of controlling clamping fixture seat and guide rail rotation.
6. the Gas Tungsten Arc Welding equipment of the described tubular thin plate of any one docking structure according to claim 1-5, is characterized in that, described protection piece is the arc cuboid, and the intrados of described protection piece is connected with described motor; Be provided with water channel and air flue in described protection piece, and protect the middle part of piece intrados to be provided with the air admission hole that is communicated with air flue, both sides are provided with inlet opening and the apopore that is communicated with water channel; Protection piece extrados is provided with protector, and is provided with the venthole that is communicated with air flue in this protector.
7. the Gas Tungsten Arc Welding equipment of tubular thin plate docking structure according to claim 6, it is characterized in that, also comprise feeder and water supply installation, the gas delivery port of described feeder is connected with described air admission hole, the delivery port of described water supply installation is connected with described inlet opening, and the water return outlet of described water supply installation is connected with described apopore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220453739 CN202984886U (en) | 2012-09-06 | 2012-09-06 | Argon tungsten-arc welding device of barrel shaped thin plate butt joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220453739 CN202984886U (en) | 2012-09-06 | 2012-09-06 | Argon tungsten-arc welding device of barrel shaped thin plate butt joint structure |
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| Publication Number | Publication Date |
|---|---|
| CN202984886U true CN202984886U (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220453739 Expired - Fee Related CN202984886U (en) | 2012-09-06 | 2012-09-06 | Argon tungsten-arc welding device of barrel shaped thin plate butt joint structure |
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| CN (1) | CN202984886U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103521975A (en) * | 2013-09-29 | 2014-01-22 | 江苏天舒电器有限公司 | Pre-welding tool for refrigerating system valve assembly |
| CN109128645A (en) * | 2018-09-25 | 2019-01-04 | 中国航空制造技术研究院 | A kind of the laser welding clamping and positioning device and method of curve cylinder class formation |
| CN111872605A (en) * | 2020-07-27 | 2020-11-03 | 广东三扬机器人有限公司 | Welding method of axial flow fan |
| CN113878296A (en) * | 2021-10-28 | 2022-01-04 | Dig自动化工程（武汉）有限公司 | Internal support device for welding long pipeline |
-
2012
- 2012-09-06 CN CN 201220453739 patent/CN202984886U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103521975A (en) * | 2013-09-29 | 2014-01-22 | 江苏天舒电器有限公司 | Pre-welding tool for refrigerating system valve assembly |
| CN109128645A (en) * | 2018-09-25 | 2019-01-04 | 中国航空制造技术研究院 | A kind of the laser welding clamping and positioning device and method of curve cylinder class formation |
| CN111872605A (en) * | 2020-07-27 | 2020-11-03 | 广东三扬机器人有限公司 | Welding method of axial flow fan |
| CN111872605B (en) * | 2020-07-27 | 2022-03-29 | 广东三扬机器人有限公司 | Welding method of axial flow fan |
| CN113878296A (en) * | 2021-10-28 | 2022-01-04 | Dig自动化工程（武汉）有限公司 | Internal support device for welding long pipeline |
| CN113878296B (en) * | 2021-10-28 | 2023-08-25 | Dig自动化工程（武汉）有限公司 | Internal support device for welding long pipeline |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20180906 |