CN211728019U - Argon filling device - Google Patents
Argon filling device Download PDFInfo
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- CN211728019U CN211728019U CN201922358437.3U CN201922358437U CN211728019U CN 211728019 U CN211728019 U CN 211728019U CN 201922358437 U CN201922358437 U CN 201922358437U CN 211728019 U CN211728019 U CN 211728019U
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Abstract
The utility model provides an argon flushing device, which relates to the technical field of welding argon flushing protection and comprises a driving device, a flow dividing device and a supporting device; during the use, can set up drive arrangement and diverging device inside the pipeline through strutting arrangement, and strutting arrangement and the interior wall butt of pipeline, and then the position that needs welded groove in the gas outlet correspondence pipeline through diverging device, make the position of giving vent to anger of argon gas be the groove back of pipeline, it dashes the argon at welded back, drive diverging device at the pipeline internal rotation through drive arrangement this moment, gas outlet spun argon gas can continuously dash the argon to the back of pipeline groove, make argon gas can be direct and the welding position contact, argon gas and the air that fill into in the air chamber of alleviating the pipeline that exists among the prior art are in the mixing state all the time, the technical problem that the argon protection effect can't be guaranteed.
Description
Technical Field
The utility model relates to a welding is towards argon protection technical field, especially relates to an towards argon device.
Background
When welding stainless steel pipes, the argon filling effect at the root back of the pipe is poor, and particularly for stainless steel pipes with large pipe diameters and wall thicknesses, the root oxidation is serious due to the poor argon protection effect, and the quality of welding seams is reduced.
In the prior art, when a stainless steel pipe is welded, two argon filling modes of argon filling in the whole pipeline and argon filling near a groove are adopted, wherein the argon filling in the whole pipeline is to seal two ends of the pipeline and fill argon into the pipe to remove air in the pipe; and the argon filling near the groove is to use water-soluble paper to seal and block two sides of the welding seam, or to plug hard sponge and a temperature-resistant balloon into the pipe and fix the hard sponge and the temperature-resistant balloon for sealing and blocking.
However, no matter the argon filling mode is used for filling argon into the whole pipeline or the argon filling mode is used for filling argon near the groove, the argon and the air filled into the air chamber of the pipeline are always in a mixed state, the argon protection effect cannot be guaranteed, the root of the welding line is possibly oxidized more or less, and the defects of large argon consumption, serious waste, high cost, poor effect and high operation difficulty exist.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide towards argon device to fill argon gas and the air that enters in the air chamber of the pipeline of alleviating existence among the prior art and be in the mixing state all the time, the technical problem that the argon protection effect can't be guaranteed.
The utility model provides a pair of argon filling device, include: the device comprises a driving device, a flow dividing device and a supporting device;
the supporting device is connected with the driving device and is used for fixing the driving device in a pipeline to be welded;
the shunt device is communicated with an external argon conveying device and is in transmission connection with the output end of the driving device, the driving device is used for driving the shunt device to rotate in the pipeline, and the shunt device is used for conveying argon to the groove position of the pipeline to be welded.
In a preferred embodiment of the present invention, the flow dividing device includes a telescopic mechanism and an argon filling mechanism;
the one end of towards argon mechanism is passed through telescopic machanism with the drive arrangement transmission is connected, telescopic machanism is used for adjusting towards argon mechanism with the elasticity of pipeline inner wall contact.
In a preferred embodiment of the present invention, the telescopic mechanism includes a sleeve, a first telescopic elastic portion and a connecting portion;
the sleeve pipe passes through connecting portion with the drive arrangement transmission is connected, first flexible elastic part is located in the sleeve pipe, the one end of towards argon mechanism is inserted and is located in the sleeve pipe, and with first flexible elastic part butt, first flexible elastic part is used for adjusting towards argon mechanism with the interval of pipeline inner wall.
In a preferred embodiment of the present invention, the device further comprises a bayonet part;
the sleeve pipe is close to the one end of filling argon mechanism is provided with the opening, bayonet portion set up in sheathed tube open end, just bayonet portion with the connection can be dismantled to the sleeve pipe, bayonet portion be used for with be located in the sleeve pipe fill argon mechanism joint, with will fill the one end of argon mechanism be injectd in the sleeve pipe.
In a preferred embodiment of the present invention, the argon flushing mechanism includes an argon flushing pipe and an outlet part;
one end of the argon flushing pipe is inserted into the sleeve, an air inlet of the argon flushing pipe is formed in the side wall of the argon flushing pipe, the other end of the argon flushing pipe is arranged to be an air outlet, the other end of the argon flushing pipe is located in the outlet portion, the outlet portion is abutted to the inner wall of the pipeline, and argon output by the air outlet of the argon flushing pipe is sprayed to the groove position in the pipeline through the outlet portion.
In a preferred embodiment of the present invention, the outlet portion includes an outlet tank body, a filtering portion, and a first rolling portion;
the outlet groove body is provided with an opening at one end, the opening end of the outlet groove body faces the inner wall of the pipeline, the first rolling part is in rolling connection with one side of the outlet groove body with the opening end, and the outlet groove body is abutted to the inner wall of the pipeline through the first rolling part;
the argon flushing pipe is provided with one end with a gas outlet arranged in the outlet groove body, the filtering part is positioned at one side of the opening end of the outlet groove body, and argon blown out from the gas outlet of the argon flushing pipe passes through the filtering part to be blown to the groove position in the pipeline.
In a preferred embodiment of the present invention, the supporting device comprises a first supporting device and a second supporting device;
the driving device is provided with a circular shell, the first supporting device and the second supporting device are uniformly arranged along the shell of the driving device, and the first supporting device and the second supporting device are abutted against the inner wall of the pipeline, so that the driving device is located at the center of the pipeline.
In a preferred embodiment of the present invention, the first supporting device includes a second rolling portion, a second elastic portion, a telescopic rod, and a fixing portion;
the second rolling part is connected with the telescopic rod through the second telescopic elastic part, one end of the telescopic rod, which is far away from the second telescopic elastic part, is connected with the shell of the driving device, and the second telescopic elastic part is used for adjusting the distance between the second rolling part and the telescopic rod;
the telescopic link with the fixed part is connected, the fixed part is used for adjusting the flexible length of telescopic link, so that the second roll portion with the inner wall butt of pipeline.
In a preferred embodiment of the present invention, the second supporting device includes a third rolling portion, a screw adjusting portion and a connecting rod;
the third rolling part is connected with the connecting rod through the thread adjusting part, and one end of the connecting rod, which is far away from the thread adjusting part, is connected with a shell of the driving device;
the thread adjusting part is provided with a thread telescopic structure, and the length of the thread adjusting part is adjusted by the thread adjusting part through the thread telescopic structure, so that the third rolling part is abutted to the inner wall of the pipeline.
In a preferred embodiment of the present invention, the first supporting device is provided in plurality, and the second supporting device and the plurality of first supporting devices are arranged at equal angles along a circumferential direction of the driving device.
The utility model provides a pair of argon filling device, include: the device comprises a driving device, a flow dividing device and a supporting device; during the use, can set up drive arrangement and diverging device inside the pipeline through strutting arrangement, and strutting arrangement and the interior wall butt of pipeline, and then the position that needs welded groove in the gas outlet correspondence pipeline through diverging device, make the position of giving vent to anger of argon gas be the groove back of pipeline, it dashes the argon at welded back, drive diverging device at the pipeline internal rotation through drive arrangement this moment, gas outlet spun argon gas can continuously dash the argon to the back of pipeline groove, make argon gas can be direct and the welding position contact, argon gas and the air that fill into in the air chamber of alleviating the pipeline that exists among the prior art are in the mixing state all the time, the technical problem that the argon protection effect can't be guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic overall structural diagram of an argon filling device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an argon filling device provided with a driving device according to an embodiment of the present invention;
fig. 3 is a schematic structural view of an argon filling device located in a pipeline according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a flow dividing device of an argon filling device according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a first supporting device of an argon filling device according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a second supporting device of the argon filling device according to an embodiment of the present invention.
Icon: 100-a drive device; 200-a flow splitting device; 300-a telescoping mechanism; 301-a cannula; 302-a first elastic telescopic section; 303-a connecting portion; 304-a bayonet portion; 400-argon filling mechanism; 401-filling an argon tube; 411-an air inlet; 421-air outlet; 402-an outlet section; 412-outlet tank body; 422-a filtering part; 432-a first scroll; 500-a support device; 501-first supporting means; 511-a second scroll section; 521-a second elastic telescopic portion; 531-telescoping rod; 541-a fixed part; 502-a second support means; 512-third scrolling portion; 522-threaded adjustment; 532-connecting rod; 600-pipeline.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 to 6, the present embodiment provides an argon filling apparatus, including: the driving device 100, the shunt device 200 and the supporting device 500; the supporting device 500 is connected with the driving device 100, and the supporting device 500 is used for fixing the driving device 100 in the pipeline 600 to be welded; diverging device 200 and outside argon gas conveyor intercommunication, and diverging device 200 is connected with drive arrangement 100's output transmission, and drive arrangement 100 is used for driving diverging device 200 at pipeline 600 internal rotation, and diverging device 200 is used for carrying the argon gas to the groove position of waiting to weld pipeline 600.
It should be noted that when welding the groove position of the pipeline 600, argon needs to be flushed to the groove welding position all the time, the groove welding position is outside the pipeline 600, and argon flushing protection for the groove is also outside the pipeline 600 all the time, but in the welding process, the filled argon can be mixed with air all the time inside the pipeline 600, that is, at the back position of the groove, which results in the possibility of oxidation at the root position of the weld seam, in order to alleviate the above situation, the argon flushing device provided in this embodiment fixes the driving device 100 and the shunt device 200 inside the pipeline 600 by using the supporting device 500, and the shunt device 200 is driven by the driving device 100 to rotate along the back with the groove inside the pipeline 600, and the shunt device 200 can deliver the argon all the time to the groove position.
Optionally, the supporting device 500 is fixedly connected to the outer casing of the driving device 100, the driving device 100 is placed at the central position of the pipeline 600 by using the supporting device 500, and the flow dividing device 200 connected to the output end of the driving device 100 rotates around the output end of the driving device 100, so that argon is filled in the whole pipeline 600.
In addition, the shunting device 200 can also adopt an annular outlet, and when welding is performed gradually along the outside of the pipeline 600 in the welding process, argon filling of the groove at the welding position is only required to be ensured at the moment, so that the driving device 100 can gradually start the shunting device 200 to move according to the welding speed; it should be noted that the argon gas outlet 421 on the flow divider 200 needs to correspond to the groove position of the pipeline 600.
Alternatively, the driving device 100 may be various, for example: the driving device 100 is preferably a driving motor, and the driving motor is further provided with a housing, and the supporting device 500 is fixedly connected with the housing of the driving motor. Preferably, the driving motor is a variable speed motor made of a miniature low speed motor 51D40RA-A and a speed regulating control box, and the forward and reverse rotation of the driving motor and the speed control can be controlled through the external control box.
In the present embodiment, in order to ensure the argon flushing effect of the pipeline 600, preferably, the shape of the inner hole of the pipeline 600 for which the argon flushing device provided in the present embodiment is aimed is circular; however, for other shapes of the pipe 600, the minimum inner diameter circle in one pipe 600 may be used for argon gas delivery.
The argon filling device provided by the embodiment comprises: the driving device 100, the shunt device 200 and the supporting device 500; during the use, can set up drive arrangement 100 and diverging device 200 inside pipeline 600 through strutting arrangement 500, and strutting arrangement 500 and the inner wall butt in pipeline 600, and then the position that needs welded groove in the gas outlet 421 through diverging device 200 corresponds pipeline 600, make the position of giving vent to anger of argon gas be the groove back of pipeline 600, it dashes the argon at welded back, drive diverging device 200 at pipeline 600 internal rotation through drive arrangement 100 this moment, gas outlet 421 spun argon gas can continuously dash the argon to the back of pipeline 600 groove, make argon gas can be direct and the welding position contact, argon gas and the air that fills in the gas chamber of pipeline 600 that alleviates existence among the prior art are in the mixing state all the time, the technical problem that the argon protection effect can't be guaranteed.
Further, on the basis of the above embodiments, in the preferred embodiment of the present invention, the flow dividing device 200 includes a telescopic mechanism 300 and an argon filling mechanism 400; one end of the argon flushing mechanism 400 is in transmission connection with the driving device 100 through a telescopic mechanism 300, and the telescopic mechanism 300 is used for adjusting the contact tightness between the argon flushing mechanism 400 and the inner wall of the pipeline 600.
Optionally, because the inner diameters of the pipelines 600 are different, in order to ensure that the shunt device 200 can perform argon flushing protection on the pipelines 600 with different inner diameters, the argon flushing mechanism 400 is used as a conveying structure for argon gas, the argon flushing mechanism 400 is connected with the driving device 100 through the telescopic mechanism 300, the telescopic mechanism 300 can adjust the distance between the argon flushing mechanism 400 and the driving device 100, and then the telescopic mechanism 300 can adjust the tightness of the contact between the argon flushing mechanism 400 and the inner wall of the pipeline 600.
Alternatively, the telescopic mechanism 300 may employ a telescopic bar 531, a telescopic sleeve, an elastic telescopic frame, or the like.
In the preferred embodiment of the present invention, the telescoping mechanism 300 comprises a sleeve 301, a first telescoping flexible part 302 and a connecting part 303; the sleeve 301 is in transmission connection with the driving device 100 through the connecting portion 303, the first flexible elastic portion 302 is located in the sleeve 301, one end of the argon flushing mechanism 400 is inserted into the sleeve 301 and is abutted against the first flexible elastic portion 302, and the first flexible elastic portion 302 is used for adjusting the distance between the argon flushing mechanism 400 and the inner wall of the pipeline 600.
Alternatively, the connection portion 303 and the driving device 100 may be connected in various manners, for example: the connecting portion 303 is connected with the driving device 100 through a screw rod, preferably, the driving device 100 is connected with a driving motor through a screw rod, the output end of the driving motor is welded with the connecting sleeve 301, a nut is arranged at one end, far away from the output end of the driving motor, of the connecting sleeve 301, the connecting portion 303 is connected with the connecting sleeve 301 through a screw rod, the screw rod and the nut are connected through threads, the other end of the screw rod is fixedly connected with the sleeve 301, and therefore the sleeve 301 is fixedly connected with the driving motor; optionally, a locking nut with a direction opposite to the screwing direction of the nut is sleeved on the outer part of the screw rod, so that the screw rod is fastened at the nut.
Towards argon mechanism 400 including towards argon pipe 401, towards argon pipe 401 and can insert and locate the sleeve pipe 301 and keep away from the one end of drive arrangement 100, towards the joint between argon pipe 401 and the drive arrangement 100 moreover, first flexible elastic component 302 is located sleeve pipe 301, utilizes first flexible elastic component 302 can exert elastic force to towards argon pipe 401, and then makes the other end of towards argon mechanism 400 and the inner wall butt of pipeline 600.
Alternatively, the first elastic portion 302 may employ a compression spring.
In order to ensure the stability of the connection between the argon flushing mechanism 400 and the sleeve 301, in the preferred embodiment of the present invention, the argon flushing mechanism further comprises a bayonet portion 304; an opening is arranged at one end of the sleeve 301 close to the argon flushing mechanism 400, the bayonet part 304 is arranged at the open end of the sleeve 301, the bayonet part 304 is detachably connected with the sleeve 301, and the bayonet part 304 is used for being clamped with the argon flushing mechanism 400 positioned in the sleeve 301 so as to limit one end of the argon flushing mechanism 400 in the sleeve 301.
Alternatively, the bayonet portion 304 may be various, for example: the bayonet portion 304 is a locking screw, or the bayonet portion 304 is a fixing buckle, and the like, and preferably, the bayonet portion 304 is a fixing buckle, and one end of the argon flushing mechanism 400 can be fixed inside the sleeve 301 through the fixing buckle.
In the preferred embodiment of the present invention, the argon flushing mechanism 400 includes an argon flushing pipe 401 and an outlet portion 402; one end of the argon flushing pipe 401 is inserted into the sleeve 301, the air inlet 411 of the argon flushing pipe 401 is arranged on the side wall of the argon flushing pipe 401, the other end of the argon flushing pipe 401 is provided with an air outlet 421, the other end of the argon flushing pipe 401 is located in the outlet portion 402, the outlet portion 402 is abutted against the inner wall of the pipeline 600, and argon output by the air outlet 421 of the argon flushing pipe 401 is sprayed to the groove position in the pipeline 600 through the outlet portion 402.
In this embodiment, towards argon pipe 401 for carry the connection structure of argon gas, towards argon pipe 401 and be provided with air inlet 411, air inlet 411 sets up on the one side towards argon pipe 401, towards argon pipe 401 through air inlet 411 and outside transport argon gas mechanism sealing connection, towards the other end of argon pipe 401 and set up to gas outlet 421, towards the gas outlet 421 of argon pipe 401 with the argon gas through export department 402 carry to the groove position of pipeline 600.
Optionally, the position of the gas outlet 421 of the argon flushing pipe 401 is arranged in a T shape relative to the overall structure of the argon flushing pipe 401, so that the gas outlet range of the argon flushing pipe 401 is larger.
In the preferred embodiment of the present invention, the outlet portion 402 comprises an outlet groove 412, a filtering portion 422 and a first rolling portion 432; the outlet groove body 412 is provided with an opening at one end, the opening end of the outlet groove body 412 faces the inner wall of the pipeline 600, the first rolling part 432 is in rolling connection with one side of the outlet groove body 412 with the opening end, and the outlet groove body 412 is abutted to the inner wall of the pipeline 600 through the first rolling part 432; one end, provided with an air outlet 421, of the argon flushing pipe 401 is arranged in the outlet groove 412, the filtering part 422 is located at one side of the opening end of the outlet groove 412, and argon blown out from the air outlet 421 of the argon flushing pipe 401 is blown to the groove position in the pipeline 600 through the filtering part 422.
The cross-sectional shape of the outlet groove 412 may be various, for example: circular, rectangular, oval, etc., preferably, the cross-sectional shape of the outlet channel 412 is rectangular; two first rolling portions 432 are disposed on two side walls of an opening end of the outlet groove 412, and at the same time, the height of the first rolling portion 432 needs to extend out of the side wall of the outlet groove 412, so that the outlet groove 412 abuts against the inner wall of the pipeline 600 through the first rolling portions 432 and can roll relatively.
Alternatively, the first scroll part 432 may be provided with various kinds, for example: rollers, rolling bearings, rolling balls, etc.; the filter portion 422 may be provided with various kinds, for example: a filter screen, a filter plate, etc., and preferably, the filter portion 422 is provided as a filter screen.
In the preferred embodiment of the present invention, the supporting device 500 comprises a first supporting device 501 and a second supporting device 502; the driving device 100 is provided with a circular housing, the first supporting device 501 and the second supporting device 502 are uniformly arranged along the housing of the driving device 100, and both the first supporting device 501 and the second supporting device 502 are abutted against the inner wall of the pipeline 600 so as to position the driving device 100 at the center position of the pipeline 600.
In order to ensure that the driving device 100 is located at the central position of the pipeline 600, the supporting device 500 at least comprises a first supporting device 501 and a second supporting device 502, wherein the first supporting device 501 and the second supporting device 502 are symmetrically located outside the circular shell of the driving device 100, and the driving device 100 is located at the central position of the pipeline 600 by the first supporting device 501 and the second supporting device 502 respectively abutting against the inner wall of the pipeline 600; in addition, when the supporting device 500 comprises two first supporting devices 501 and one second supporting device 502, the two first supporting devices 501 and the one second supporting device 502 are uniformly arranged along the circular shell of the driving device 100, that is, the included angle between the first supporting devices 501 and the second supporting device 502 is 120 °, and the driving device 100 can be fixed with the pipeline 600 through three supporting points arranged at 120 °.
Preferably, in the preferred embodiment of the present invention, the first supporting device 501 is provided with a plurality of supporting devices, and the second supporting device 502 and the plurality of supporting devices 501 are arranged at equal angles along the circumferential direction of the driving device 100.
Specifically, in the preferred embodiment of the present invention, the first supporting device 501 includes a second rolling part 511, a second elastic telescopic part 521, a telescopic rod 531 and a fixing part 541; the second rolling part 511 is connected with the telescopic rod 531 through a second telescopic elastic part 521, one end of the telescopic rod 531, which is far away from the second telescopic elastic part 521, is connected with the housing of the driving device 100, and the second telescopic elastic part 521 is used for adjusting the distance between the second rolling part 511 and the telescopic rod 531; the telescopic rod 531 is connected to the fixing portion 541, and the fixing portion 541 adjusts the telescopic length of the telescopic rod 531 so that the second rolling portion 511 abuts against the inner wall of the duct 600.
In this embodiment, since the inner diameters of the pipelines 600 are different, in order to ensure that the first supporting device 501 can fix the pipelines 600 with different inner diameters, the first supporting device 501 is provided with an expansion link 531 and a second elastic expansion part 521, wherein the expansion link 531 comprises a sleeve 301 and an inner pipe, the inner pipe is located inside the sleeve 301, and the inner pipe can reciprocate along the extending direction of the sleeve 301, further, the fixing part 541 can be inserted on the outer side wall of the sleeve 301 by fastening screws, and the fixing part 541 can move along the side wall of the sleeve 301, so that the fixing part 541 can abut against the inner pipe in the sleeve 301, thereby determining the stability of the inner pipe; when the length of the telescopic rod 531 needs to be adjusted, the fixing part 541 needs to be unscrewed and then adjusted; in addition, in order to ensure that the telescopic rod 531 can more stably extrude the inner wall of the pipeline 600, the second elastic telescopic portion 521 is arranged in the sleeve 301 of the telescopic rod 531, and the second elastic telescopic portion 521 can apply an elastic acting force to the inner pipe of the telescopic rod 531, so that the other end of the inner pipe drives the second rolling portion 511 to abut against the inner wall of the pipeline 600.
In order to enable the first supporting device 501 to better enter the pipeline 600, the second rolling part 511 is arranged at one end of the telescopic rod 531 away from the second elastic telescopic part 521, it should be noted that the rolling direction of the second rolling part 511 is perpendicular to the rolling direction of the first rolling part 432, the second rolling part 511 moves along the extending direction of the pipeline 600, the first rolling part 432 rolls along the circumferential direction of the pipeline 600 and the pipeline 600, and optionally, the second rolling part 511 may be a rolling bearing; while the frictional force with the duct 600 can be reduced by the second rolling part 511.
Alternatively, the second elastic extension portion 521 may employ a compression spring, and at the same time, the elastic coefficient of the second elastic extension portion 521 is greater than that of the first elastic extension portion 302.
In order to adjust the length of the second supporting device 502 better manually, so that the second supporting device 502 and the first supporting device 501 can be put into the pipeline 600 more conveniently, in a preferred embodiment of the present invention, the second supporting device 502 comprises a third rolling part 512, a thread adjusting part 522 and a connecting rod 532; the third rolling part 512 is connected with a connecting rod 532 through the threaded adjusting part 522, and one end of the connecting rod 532 far away from the threaded adjusting part 522 is connected with the shell of the driving device 100; the screw adjustment portion 522 has a screw expansion structure, and the screw adjustment portion 522 adjusts the length of the screw adjustment portion 522 by the screw expansion structure so that the third rolling portion 512 abuts against the inner wall of the pipe 600.
The thread adjusting part 522 can be a turnbuckle screw, the feeding amount between the connecting rod 532 and the thread adjusting part 522 is adjusted by using the manual knob thread adjusting part 522, and the length of the connecting rod 532 can be adjusted, so that the second supporting device 502 can enter the pipeline 600 more conveniently, meanwhile, the rolling direction of the third rolling part 512 is arranged in a direction perpendicular to the rolling direction of the first rolling part 432, the third rolling part 512 moves along the extending direction of the pipeline 600, the third rolling part 512 rolls along the circumferential direction of the pipeline 600 and the pipeline 600, and optionally, the third rolling part 512 can be a rolling bearing; while the friction with the duct 600 can be reduced by the third rolling part 512.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. An argon flushing device, characterized by comprising: the device comprises a driving device, a flow dividing device and a supporting device;
the supporting device is connected with the driving device and is used for fixing the driving device in a pipeline to be welded;
the device comprises a driving device, a flow dividing device, a driving device and a gas-liquid separator, wherein the flow dividing device is communicated with an external argon conveying device and is in transmission connection with the output end of the driving device, the driving device is used for driving the flow dividing device to rotate in a pipeline, and the flow dividing device is used for conveying argon to the groove position of a pipeline to be welded.
2. The argon flushing device of claim 1, wherein the flow dividing device comprises a telescoping mechanism and an argon flushing mechanism;
the one end of towards argon mechanism is passed through telescopic machanism with the drive arrangement transmission is connected, telescopic machanism is used for adjusting towards argon mechanism with the elasticity of pipeline inner wall contact.
3. The argon flushing device according to claim 2, wherein the telescopic mechanism comprises a sleeve, a first telescopic elastic part and a connecting part;
the sleeve pipe passes through connecting portion with the drive arrangement transmission is connected, first flexible elastic part is located in the sleeve pipe, the one end of towards argon mechanism is inserted and is located in the sleeve pipe, and with first flexible elastic part butt, first flexible elastic part is used for adjusting towards argon mechanism with the interval of pipeline inner wall.
4. The argon flushing device of claim 3, further comprising a bayonet portion;
the sleeve pipe is close to the one end of filling argon mechanism is provided with the opening, bayonet portion set up in sheathed tube open end, just bayonet portion with the connection can be dismantled to the sleeve pipe, bayonet portion be used for with be located in the sleeve pipe fill argon mechanism joint, with will fill the one end of argon mechanism be injectd in the sleeve pipe.
5. The argon purging device according to claim 3, wherein the argon purging mechanism comprises an argon purging tube and an outlet portion;
one end of the argon flushing pipe is inserted into the sleeve, an air inlet of the argon flushing pipe is formed in the side wall of the argon flushing pipe, the other end of the argon flushing pipe is arranged to be an air outlet, the other end of the argon flushing pipe is located in the outlet portion, the outlet portion is abutted to the inner wall of the pipeline, and argon output by the air outlet of the argon flushing pipe is sprayed to the groove position in the pipeline through the outlet portion.
6. The argon flushing device as claimed in claim 5, wherein the outlet part comprises an outlet groove body, a filtering part and a first rolling part;
the outlet groove body is provided with an opening at one end, the opening end of the outlet groove body faces the inner wall of the pipeline, the first rolling part is in rolling connection with one side of the outlet groove body with the opening end, and the outlet groove body is abutted to the inner wall of the pipeline through the first rolling part;
the argon flushing pipe is provided with one end with a gas outlet arranged in the outlet groove body, the filtering part is positioned at one side of the opening end of the outlet groove body, and argon blown out from the gas outlet of the argon flushing pipe passes through the filtering part to be blown to the groove position in the pipeline.
7. The argon flushing device of any one of claims 1-6, wherein the support device comprises a first support device and a second support device;
the driving device is provided with a circular shell, the first supporting device and the second supporting device are uniformly arranged along the shell of the driving device, and the first supporting device and the second supporting device are abutted against the inner wall of the pipeline, so that the driving device is located at the center of the pipeline.
8. The argon flushing device of claim 7, wherein the first support device comprises a second rolling part, a second telescopic elastic part, a telescopic rod and a fixed part;
the second rolling part is connected with the telescopic rod through the second telescopic elastic part, one end of the telescopic rod, which is far away from the second telescopic elastic part, is connected with the shell of the driving device, and the second telescopic elastic part is used for adjusting the distance between the second rolling part and the telescopic rod;
the telescopic link with the fixed part is connected, the fixed part is used for adjusting the flexible length of telescopic link, so that the second roll portion with the inner wall butt of pipeline.
9. The argon flushing device of claim 7, wherein the second supporting device comprises a third rolling part, a threaded adjusting part and a connecting rod;
the third rolling part is connected with the connecting rod through the thread adjusting part, and one end of the connecting rod, which is far away from the thread adjusting part, is connected with a shell of the driving device;
the thread adjusting part is provided with a thread telescopic structure, and the length of the thread adjusting part is adjusted by the thread adjusting part through the thread telescopic structure, so that the third rolling part is abutted to the inner wall of the pipeline.
10. The argon flushing device according to claim 9, wherein the first supporting device is provided in plurality, and the second supporting device and the first supporting device are arranged at equal angles along a circumferential direction of the driving device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922358437.3U CN211728019U (en) | 2019-12-24 | 2019-12-24 | Argon filling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922358437.3U CN211728019U (en) | 2019-12-24 | 2019-12-24 | Argon filling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211728019U true CN211728019U (en) | 2020-10-23 |
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| CN201922358437.3U Active CN211728019U (en) | 2019-12-24 | 2019-12-24 | Argon filling device |
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