CN203649774U - Stainless steel pipe butt welding machine - Google Patents
Stainless steel pipe butt welding machine Download PDFInfo
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- CN203649774U CN203649774U CN201320714892.2U CN201320714892U CN203649774U CN 203649774 U CN203649774 U CN 203649774U CN 201320714892 U CN201320714892 U CN 201320714892U CN 203649774 U CN203649774 U CN 203649774U
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- main shaft
- welding machine
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- butt welding
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Abstract
The utility model belongs to the field of welding equipment and relates to a stainless steel pipe butt welding machine for thin-wall stainless steel pipes. The butt welding machine comprises a machine frame and upper and lower sleeves connected to the machine frame, wherein a main shaft is rotationally connected to the machine frame; a lower clamping device is arranged at the top of the main shaft; an upper positioning air cylinder is mounted at the upper part of the machine frame; an upper clamping device is mounted on a downwardly extended piston rod of the upper positioning air cylinder; a welding machine and a welding gun fixing seat for clamping a welding gun of the welding machine are mounted on the machine frame; protection gas introduction pipes communicated with the inner cavities of the upper and lower sleeves are mounted on the side walls of the upper sleeve and the lower sleeve respectively; a through hole used for transmitting protection gas is formed in the main shaft; the top of the through hole penetrates through the top of the main shaft and is communicated with an inner cavity of a pipe fitting to be welded. According to the butt welding machine, the clamping process of the stainless steel pipes can be simplified, the welding efficiency and quality can be improved, the purpose of no oxidation inside and outside the welded pipe fitting can be achieved, the labor intensity of workers is greatly reduced, and the welding time of the stainless steel pipes is shortened.
Description
Technical field
The utility model belongs to field of welding devices, relates in particular to a kind of stainless steel tube butt welding machine for thin-wall stainless steel butt welding.
Background technology
As everyone knows, be subject to the poor characteristic limitations of stainless steel material ductility, the production technology of welding for stainless steel pipe at present, mainly contain two kinds, one is manual argon arc welding, and feature is that efficiency is low, weld inhomogeneously, qualification rate is low, is generally used for sample making or new product small lot batch manufacture; Another kind method is to adopt horizontal ring welder for seam welding, and advantage is that efficiency is higher, and welding quality is better.A kind of equipment that can automatic welding circumferential weld as disclosed in Chinese utility model patent ZL200920027186.4, it comprises Work fixing device and weldering device, wherein Work fixing device comprises equipment stand, buncher, reductor, workpiece fixed mould, lateral cylinder, lateral cylinder fixed head, longitudinally air cylinder connecting rod, guide pin bushing, longitudinally cylinder, longitudinally air cylinder fixed plate, guide pin bushing fixed bar, one side of equipment stand is provided with longitudinal air cylinder fixed plate, guide pin bushing fixed bar, guide pin bushing fixed bar and guide pin bushing are affixed, longitudinally cylinder is fixed in longitudinal air cylinder fixed plate, longitudinally air cylinder connecting rod is with longitudinally cylinder is affixed, lateral cylinder fixed head is with longitudinally air cylinder connecting rod is affixed, lateral cylinder and lateral cylinder fixed head are affixed, reductor is fixed on equipment stand top and is connected with buncher, welding gun fixture comprises gun rack and welding gun.The shortcoming of the horizontal welding machine of this class is that stainless steel pipe clamping and taking-up are all inconvenient, and product easily drops, and the argon arc welding machine of joining can only be protected product outer surface; but product inwall is seriously exposed in air; oxidation is serious, causes product strength to decline, and needs to increase the operation of scale removal.
Utility model content
The utility model is mainly the technical problems such as the production efficiency existing for prior art is not high, solder yield is low, provide a kind of for welding the stainless steel tube butt welding machine of thin-wall stainless steel, utilize the utility model can simplify the clamping operation of product, improve welding efficiency and welding quality, reach the object of the inside and outside non-oxidation of welding rear tubular member.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals:
A kind of stainless steel tube butt welding machine, comprise frame, in frame, be rotatably connected to by drive unit and drive the main shaft that rotates and vertically arrange, the top of main shaft is provided with lower fixture, the upper positioning cylinder of setting corresponding to main shaft is also equipped with on the top of frame, the upper clamping device of setting corresponding to lower fixture is housed on the piston rod of stretching under upper positioning cylinder, the welding gun holder of the welding gun of welding machine and clamping welding machine is also housed in frame, the welding ends of welding gun is between upper clamping device and lower fixture, this butt welding machine also comprises and is connected in frame and is positioned at the lower sleeve of clamping device top and is positioned at the upper bush of lower fixture below, on, lower sleeve is oppositely arranged up and down, the upper end of lower sleeve is uncovered, lower end is provided with lower baffle plate, worn-out mouthful of the lower end of upper bush, upper end is provided with overhead gage, on overhead gage and lower baffle plate, be respectively equipped with the through hole inserting for pipe fitting to be welded, on, the protection gas access tube being communicated with its inner chamber is housed respectively on the sidewall of lower sleeve, in main shaft, be provided with the through hole for transmitting protection gas, the top of through hole passes the top of main shaft and is communicated with the inner chamber of pipe fitting to be welded.
Described lower fixture comprises the lower positioning tube that is connected to the uncovered setting of spindle top and upper end, lower positioning tube is provided with the arc lower location-plate embedding on its inwall and the lower bolt that drives the motion of arc lower location-plate, and the bottom of lower positioning tube is provided with the passage being communicated with described through hole.
Described upper clamping device comprises on the piston rod that is connected to positioning cylinder and the upper positioning tube of the uncovered setting in lower end, and upper positioning tube is provided with the upper arc location-plate embedding on its inwall and drives the upper bolt of upper arc location-plate motion
This butt welding machine also comprises protection gas transmission mechanism; protection gas transmission mechanism is made up of hollow thimble, steel pipe and air inlet seat; hollow thimble be positioned at described main shaft under and be connected with the through hole of main shaft, hollow thimble is connected with steel pipe by bearing, between steel pipe and air inlet seat, is threaded.
Adopt after said structure; the utility model is stainless steel tube butt welding machine; very convenient in the time of clamping and taking-up product; when welding, protect through hole and the protection gas access tube ejection of gas (conventionally adopting argon gas) in main shaft; and product surfaces externally and internally all protected gas in position to be welded arranges; make welding position in oxygen-free environment, avoided stainless steel weld bond under high temperature to be directly exposed in air, reduced greatly the oxidation of product inner surface.
Hollow thimble directly adopts tapering to contact with main shaft, due in the middle of taper head, bearing is housed, and can rotate together along with main shaft, and keep protection gas transmission structure airtight air tight.
Therefore, the utility model is mainly used in the bellmouth no oxidized welding of thin-wall stainless steel pipe fitting, and the utility model can be simplified the clamping operation of product, improves welding efficiency and welding quality, reaches the object of the inside and outside non-oxidation of welding rear tubular member.The production joint presentation quality of utilizing the utility model welding machine to produce is good, greatly reduces workman's labour intensity, has shortened the weld interval of product.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of the utility model;
Fig. 2 is that upper and lower sleeve is arranged on respectively the structural representation on main shaft and piston rod;
Fig. 3 is the schematic diagram along A-A line is analysed and observe in Fig. 2.
The specific embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
As Fig. 1, 2, stainless steel tube butt welding machine shown in-3 adopts vertical structure clamping product (two sections need the pipe fitting to be welded 10 of butt welding) to be processed, it comprises frame 1, in frame 1, be rotatably connected to by drive unit and drive the main shaft 2 that rotates and vertically arrange, drive unit comprises the drive motors 18 being connected in frame, main shaft is in transmission connection by the power output shaft of belt belt pulley and drive motors 12, the top of main shaft 2 is provided with lower fixture, as shown in Figures 2 and 3, lower fixture comprises the lower positioning tube 3 that is connected to main shaft 2 tops and the uncovered setting in upper end, lower positioning tube 3 is provided with the arc lower location-plate 4 embedding on its inwall and the lower bolt 5 that drives arc lower location-plate 4 to move, the upper positioning cylinder 6 of setting corresponding to main shaft 2 is also equipped with on the top of frame 1, the upper clamping device of setting corresponding to lower fixture is housed on the piston rod of stretching under upper positioning cylinder 6, the concrete structure of upper clamping device is basic identical with the structure of lower clamping, as shown in Figure 2, upper clamping device comprises on the piston rod that is connected to positioning cylinder 6 and the upper positioning tube 7 of the uncovered setting in lower end, the upper bolt 9 that upper positioning tube 7 is provided with the upper arc location-plate 8 embedding on its inwall and drives upper arc location-plate 8 to move, the welding gun holder 13 of the welding gun 12 of welding machine 11 and clamping welding machine is also housed in frame, the welding ends of welding gun 12 is between upper clamping device and lower fixture.
This butt welding machine also comprises and is connected in frame 1 and is positioned at the lower sleeve 14 of clamping device top and is positioned at the upper bush 15 of lower fixture below, on, lower sleeve is oppositely arranged up and down, the upper end of lower sleeve 14 is uncovered, lower end is provided with lower baffle plate, the lower end of upper bush is uncovered, upper end is provided with overhead gage, on overhead gage and lower baffle plate, be respectively equipped with the through hole inserting for pipe fitting to be welded, on, the protection gas access tube 17 being communicated with its inner chamber is housed respectively on the sidewall of lower sleeve, in main shaft, be provided with the through hole 16 for transmitting protection gas, the top of through hole 16 passes the top of main shaft and is communicated with the inner chamber of pipe fitting 10 to be welded, the bottom of described lower positioning tube 3 is provided with the passage being communicated with described through hole 16.This butt welding machine also comprises protection gas transmission mechanism; protection gas transmission mechanism is made up of hollow thimble 19, steel pipe 20 and air inlet seat 21; hollow thimble 19 be positioned at described main shaft 2 under and be connected with the through hole 16 of main shaft 2; hollow thimble 19 is connected with steel pipe 20 by bearing, between steel pipe 20 and air inlet seat 21, is threaded.
Should be understood that this embodiment is only not used in restriction scope of the present utility model for the utility model is described.For example, the upper lower fixture of corresponding construction is set according to the shape of stainless steel pipe, in addition should understand, after having read the content of the utility model instruction, those skilled in the art can make various changes or modifications the utility model, and these equivalent form of values fall within the application's appended claims limited range equally.
Stainless steel tube butt welding machine of the present utility model not only can be used for stainless steel pipe welding, can also be used for the welding of other thin-wall pipe, for example threaded elbow, only clamping device need be changed into threaded, just can realize circular seam welding, while producing elbow, not need to use cylinder to push down product.
Claims (4)
1. a stainless steel tube butt welding machine, comprise frame, in frame, be rotatably connected to by drive unit and drive the main shaft that rotates and vertically arrange, the top of main shaft is provided with lower fixture, the upper positioning cylinder of setting corresponding to main shaft is also equipped with on the top of frame, the upper clamping device of setting corresponding to lower fixture is housed on the piston rod of stretching under upper positioning cylinder, the welding gun holder of the welding gun of welding machine and clamping welding machine is also housed in frame, the welding ends of welding gun is between upper clamping device and lower fixture, it is characterized in that: this butt welding machine also comprises and is connected in frame and is positioned at the lower sleeve of clamping device top and is positioned at the upper bush of lower fixture below, on, lower sleeve is oppositely arranged up and down, the upper end of lower sleeve is uncovered, lower end is provided with lower baffle plate, the lower end of upper bush is uncovered, upper end is provided with overhead gage, on overhead gage and lower baffle plate, be respectively equipped with the through hole inserting for pipe fitting to be welded, on, the protection gas access tube being communicated with its inner chamber is housed respectively on the sidewall of lower sleeve, in main shaft, be provided with the through hole for transmitting protection gas, the top of through hole passes the top of main shaft and is communicated with the inner chamber of pipe fitting to be welded.
2. stainless steel tube butt welding machine according to claim 1, it is characterized in that: described lower fixture comprises the lower positioning tube that is connected to the uncovered setting of spindle top and upper end, lower positioning tube is provided with the arc lower location-plate embedding on its inwall and the lower bolt that drives the motion of arc lower location-plate, and the bottom of lower positioning tube is provided with the passage being communicated with described through hole.
3. stainless steel tube butt welding machine according to claim 1, it is characterized in that: described upper clamping device comprises on the piston rod that is connected to positioning cylinder and the upper positioning tube of the uncovered setting in lower end, upper positioning tube is provided with the upper arc location-plate embedding on its inwall and drives the upper bolt of upper arc location-plate motion.
4. according to the stainless steel tube butt welding machine described in any one in claim 1-3; it is characterized in that: this butt welding machine also comprises protection gas transmission mechanism; protection gas transmission mechanism is made up of hollow thimble, steel pipe and air inlet seat; hollow thimble be positioned at described main shaft under and be connected with the through hole of main shaft; hollow thimble is connected with steel pipe by bearing, between steel pipe and air inlet seat, is threaded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320714892.2U CN203649774U (en) | 2013-11-06 | 2013-11-06 | Stainless steel pipe butt welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320714892.2U CN203649774U (en) | 2013-11-06 | 2013-11-06 | Stainless steel pipe butt welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203649774U true CN203649774U (en) | 2014-06-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320714892.2U Expired - Fee Related CN203649774U (en) | 2013-11-06 | 2013-11-06 | Stainless steel pipe butt welding machine |
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| Country | Link |
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| CN (1) | CN203649774U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104209674A (en) * | 2014-08-15 | 2014-12-17 | 安徽省金寨县新诚机械制造有限公司 | All-directional and multi-size precise steel pipe welding equipment |
| CN104325239A (en) * | 2014-10-08 | 2015-02-04 | 平湖市斯迈克机械制造有限公司 | Metal pipe welding device |
| CN105880889A (en) * | 2014-12-29 | 2016-08-24 | 无锡龙舜实业有限公司 | Vertical welding machine for water distribution pipes |
| CN105881887A (en) * | 2014-12-29 | 2016-08-24 | 无锡龙舜实业有限公司 | Welding machine for water distribution pipes |
| CN107378191A (en) * | 2017-08-11 | 2017-11-24 | 中车青岛四方机车车辆股份有限公司 | A kind of pipe fitting welding device, welding system and welding method |
| CN108544114A (en) * | 2018-05-03 | 2018-09-18 | 中广核中科海维科技发展有限公司 | A kind of travelling wave accelerating tube periphery water jacket welding tooling and its welding method |
| CN109304532A (en) * | 2017-07-28 | 2019-02-05 | 抚顺华信石油机械制造有限公司 | Becket gas shield rapid welding equipment and technique |
| CN115488473A (en) * | 2022-09-29 | 2022-12-20 | 哈电集团（秦皇岛）重型装备有限公司 | Auxiliary system for TIG welding of inner groove of small-caliber pipe and welding method using auxiliary system |
-
2013
- 2013-11-06 CN CN201320714892.2U patent/CN203649774U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104209674A (en) * | 2014-08-15 | 2014-12-17 | 安徽省金寨县新诚机械制造有限公司 | All-directional and multi-size precise steel pipe welding equipment |
| CN104325239A (en) * | 2014-10-08 | 2015-02-04 | 平湖市斯迈克机械制造有限公司 | Metal pipe welding device |
| CN105880889A (en) * | 2014-12-29 | 2016-08-24 | 无锡龙舜实业有限公司 | Vertical welding machine for water distribution pipes |
| CN105881887A (en) * | 2014-12-29 | 2016-08-24 | 无锡龙舜实业有限公司 | Welding machine for water distribution pipes |
| CN109304532A (en) * | 2017-07-28 | 2019-02-05 | 抚顺华信石油机械制造有限公司 | Becket gas shield rapid welding equipment and technique |
| CN107378191A (en) * | 2017-08-11 | 2017-11-24 | 中车青岛四方机车车辆股份有限公司 | A kind of pipe fitting welding device, welding system and welding method |
| CN108544114A (en) * | 2018-05-03 | 2018-09-18 | 中广核中科海维科技发展有限公司 | A kind of travelling wave accelerating tube periphery water jacket welding tooling and its welding method |
| CN115488473A (en) * | 2022-09-29 | 2022-12-20 | 哈电集团（秦皇岛）重型装备有限公司 | Auxiliary system for TIG welding of inner groove of small-caliber pipe and welding method using auxiliary system |
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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 |
Granted publication date: 20140618 Termination date: 20141106 |
|
| EXPY | Termination of patent right or utility model |