CN115533277A

CN115533277A - Submerged arc welding machine

Info

Publication number: CN115533277A
Application number: CN202211402436.4A
Authority: CN
Inventors: 李玉峰
Original assignee: Quanzhou Yuncheng Plate Making Co ltd
Current assignee: Quanzhou Yuncheng Plate Making Co ltd
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2022-12-30

Abstract

The application relates to the field of welding equipment, and provides a submerged arc welding machine which comprises a machine base, a submerged arc welding trolley, a positioning rod, a positioning device and a welding flux recovery tank; the submerged arc welding trolley is connected to the machine base in a rolling manner; the positioning rod is arranged on the machine base and extends along the advancing direction of the submerged arc welding trolley; the positioning device is used for fixing the position of the steel roller on the positioning rod; the positioning device comprises a driving part and a fixing part, the driving part is arranged on the machine base, and the driving part is used for driving the fixing part to be close to or far away from the steel roller; the fixing piece extends along the axial direction of the positioning rod and is used for abutting against the steel roller on the positioning rod; when the fixing piece and the steel roller are far away from each other, the steel roller is moved along the radial direction of the positioning rod and is pressed against the fixing piece again; the flux recovery groove is positioned below the positioning rod. Therefore, the standby time of the submerged arc welding machine can be shortened, and the welding efficiency of the submerged arc welding machine is improved.

Description

Submerged arc welding machine

Technical Field

The application relates to the field of welding equipment, in particular to a submerged arc welding machine.

Background

A submerged arc welding machine is a welding machine that uses an electric arc to burn under a flux layer for welding. The welding machine has the advantages of stable welding quality, high welding productivity, no arc light, little smoke and the like, and is a main welding machine in the manufacture of pressure vessels, pipe sections, box beam column steel structures and the like.

At present, in the production of steel rolls, a submerged arc welding machine is often used for carrying out submerged arc welding operation on the rolled steel rolls. The submerged arc welding machine mainly comprises a submerged arc welding trolley, a power supply and a control cable, wherein the submerged arc welding trolley is provided with a welding machine head and a storage box, the submerged arc welding trolley moves along the axial direction of the steel roller in the welding operation process, meanwhile, the storage box conveys welding flux to the welding machine head, the welding flux covers the welding seam of the steel roller, and electric arc led out by the welding machine head burns under the welding flux layer to realize the welding operation of the steel roller.

During the welding operation, the flux and the slag shell after the flux is melted remain on the surface of the steel roller, and after the welding operation is finished, an operator needs to firstly clean the flux on the welding seam of the steel roller to a specified position and collect the flux, then use an auxiliary tool to peel off the slag shell on the surface of the steel roller, and then perform the welding operation of the next steel roller, so that the standby time of the submerged arc welding machine is long, and the welding efficiency is low.

Disclosure of Invention

The application provides a submerged arc welding machine in order to shorten the standby time of the submerged arc welding machine and improve the welding efficiency of the submerged arc welding machine.

The application provides a submerged arc welding machine adopts following technical scheme:

a submerged arc welding machine comprises a machine base, a submerged arc welding trolley, a positioning rod, a positioning device and a welding flux recovery tank; the submerged arc welding trolley is connected to the machine base in a rolling manner; the positioning rod is arranged on the base and extends along the advancing direction of the submerged arc welding trolley; the positioning rod is used for sleeving the steel roller; when the steel roller is sleeved on the positioning rod, a moving gap is reserved between the outer peripheral side of the positioning rod and the inner peripheral wall of the steel roller; the positioning device is used for fixing the position of the steel roller on the positioning rod; the positioning device comprises a driving part and a fixing piece, the driving part is installed on the machine base, and the driving part is used for driving the fixing piece to be close to or far away from the steel roller; the fixing piece extends along the axial direction of the positioning rod and is used for abutting against the steel roller on the positioning rod; when the fixing piece and the steel roller are far away from each other, the steel roller is moved along the radial direction of the positioning rod and is abutted against the fixing piece again; the flux recovery groove is located below the positioning rod and used for collecting flux falling from the surface of the steel roller.

Through adopting above-mentioned technical scheme, after the welding, earlier make the retainer and locating lever keep away from each other through drive division, then follow the radial steel roller that removes of locating lever, make the steel roller butt in the retainer again. The steel roller can be rotated on the peripheral side of the positioning rod, so that the steel roller scrapes the fixing piece, the welding flux and the slag shell which are retained on the surface of the steel roller are scraped to fall into the welding flux recycling groove, and the effect that the welding flux and the slag shell are collected in the welding flux recycling groove at the same time is realized. Through the retaining piece and the driving part, the steel roller is positioned on the periphery of the positioning rod, meanwhile, the moving gap between the positioning rod and the steel roller and the flux recovery tank are matched, the effects of cleaning the flux on the surface of the steel roller and stripping the slag shell are achieved, the steps of cleaning the flux on the surface of the steel roller firstly and then stripping the slag shell after the welding of the steel roller is finished are simplified, the processing time of the surface of the steel roller after the welding is finished is shortened, the standby time of the submerged arc welding machine is shortened, and the welding efficiency of the submerged arc welding machine is improved.

Optionally, the driving part includes a motor and an independent power module, the positioning rod is rotatably connected to the base, and an end of the positioning rod is coaxially connected to an output shaft of the motor; the diameter of the positioning rod is less than or equal to the radius of the steel roller; the retention piece comprises at least two electromagnets, and the at least two electromagnets are arranged on the peripheral side of the positioning rod and are arranged in a manner of deviating from each other; the electromagnet is electrically connected with the independent power supply module and is used for magnetically attracting the steel roller.

Through adopting above-mentioned technical scheme, when motor and independent power module start, the steel roller is adsorbed to the electro-magnet, and the motor drives the locating lever simultaneously and rotates, and the welding seam of steel roller follows the locating lever and rotates to the solder flux accumulator tank, and at this in-process, the position in removal clearance changes. When the welding seam of steel roller was towards the solder flux accumulator, closed motor and independent power module, the electro-magnet outage, the steel roller receives the dead weight influence to drop to again with the locating lever butt, realize again the butt in the retaining piece again behind the steel roller breaks away from the retaining piece, the dropping of steel roller will strike the locating lever and make the skull break away from the steel roller simultaneously, improve the efficiency of peeling off of skull and steel roller. Through the motor, the independent power supply module and at least two electromagnets that deviate from the setting each other, when realizing that steel roller and maintenance spare keep away from each other, utilize the steel roller dead weight, make the steel roller butt in the effect of maintenance spare again to need not operating personnel and remove the steel roller, realize that solder flux and skull are automatic to break away from the effect on steel roller surface, further improve submerged arc welding machine's efficiency.

Optionally, an elastic energy absorbing piece is arranged on the flux recovery tank, and the elastic energy absorbing piece is used for abutting against the steel roller; when the steel roller is pressed against the positioning rod by self weight, the steel roller is pressed against the elastic energy-absorbing piece.

Through adopting above-mentioned technical scheme, because sound is produced by vibrations, consequently locate on the locating lever and the electro-magnet outage at the steel roller cover, when the steel roller receives dead weight striking locating lever, the part vibrations of steel roller will be absorbed in the elastic energy-absorbing piece of steel roller week side in the butt, the further diffusion of noise reduction can improve the welding operation before, the problem that the steel roller striking locating lever produced noise pollution during, and reduce the elastic energy-absorbing piece and absorb the kinetic energy of steel roller striking locating lever and lead to the skull still not to break away from the risk of steel roller.

Optionally, the elastic energy absorbing member extends along the axial direction of the positioning rod, and the surface of the elastic energy absorbing member is provided with bristles, and the bristles are used for abutting against the surface of the steel roller.

Through adopting above-mentioned technical scheme, when the electro-magnet outage, the steel roll receives the dead weight influence to drop to the week side back of locating lever, restart drive division, and the motor drives the locating lever and rotates, and the steel roll is inhaled to the electro-magnet magnetism, and during the steel roll upset, the skull on brush hair steel roll surface will be scraped to the messenger, makes the skull further scrape away from the steel roll through brush hair and elastic energy-absorbing piece, improves the automatic efficiency of peeling off the skull.

Optionally, a deformation cavity is formed in the elastic energy absorbing piece.

Through adopting above-mentioned technical scheme, improve the elastic deformation performance of elasticity energy-absorbing piece to at steel roller upset in-process, reduce the risk that the elasticity restoring force of elasticity energy-absorbing piece will steel roller top from electro-magnet magnetism to inhale.

Optionally, a filter cloth is arranged on the flux recovery tank, and a plurality of elastic ropes are connected to the edge of the filter cloth; the filter cloth is detachably connected to the welding flux recovery tank through the elastic rope; a gap is reserved between the filter cloth and the bottom of the welding flux recovery tank; the filter cloth is used for filtering the welding flux falling into the welding flux recovery tank.

Through adopting above-mentioned technical scheme, overturn at the steel roll, behind the skull and the solder flux break away from the surface of steel roll, skull and solder flux will drop to the filter cloth on, utilize the elasticity of elasticity rope, realize that the filter cloth rocks filterable effect to realize the effect of skull and further separation of solder flux, reduce the step of follow-up separation skull and solder flux, improve the recycle efficiency of solder flux.

Optionally, a support rod is arranged on the flux recovery groove, a butt rod is movably connected to the end portion, away from the flux recovery groove, of the support rod, a groove is formed in the end portion, away from the support rod, of the butt rod, and the groove is used for accommodating the positioning rod.

Through adopting above-mentioned technical scheme, remove the butt joint pole, locate the week side of locating lever with the steel roll cover after, alright carry out welding operation, through the support of bracing piece and butt joint pole, reduce the steel roll dead weight influence and lead to the crooked risk of locating lever, improve the life of locating lever. Furthermore, when the steel roller drops under the dead weight on the periphery of the positioning rod, the vibration of the positioning rod is transmitted to the flux recovery groove through the supporting rod, the shaking effect of the flux recovery groove is realized, the slag shell in the flux recovery groove is shaken to be broken, and the effect of the slag shell in the flux recovery groove is reduced.

Optionally, the supporting rod and the abutting rod are hinged to each other; the bracing piece is provided with the elasticity piece that resets, the elasticity piece that resets is used for forcing the pole that connects that butts with the bracing piece is coaxial.

Through adopting above-mentioned technical scheme, the upset butts the pole, alright locate the locating lever with the steel roller cover on, after the steel roller is fixed in on the locating lever through the maintenance piece, through the elastic restoring force of elasticity piece that resets, alright make the butt pole automatic re-setting of removal, reduce the time that removes the butt pole, when improving steel roller cover and locating efficiency on the locating lever, compromise the effect that bracing piece and butt pole supported the locating lever.

Optionally, a buffer pad is disposed on the inner wall of the groove of the abutting rod, and the buffer pad is abutted by the positioning rod.

Through adopting above-mentioned technical scheme, reduce the noise of locating lever striking bracing piece, improve the stability of being connected of bracing piece and solder flux accumulator simultaneously.

Optionally, the submerged arc welding trolley is provided with a storage box and a welding head, a control valve is mounted on the welding head, and the control valve is used for controlling on-off of a welding flux passing through the welding head; the submerged arc welding trolley is provided with a position sensor and a control box; the control valve and the position sensor are electrically connected to the control box; an identification block is connected to the machine base along the advancing direction of the submerged arc welding trolley; the identification block is used for the position sensor to identify; the position sensor is used for outputting a shut-off signal to the control box; the stop signal comprises a closing signal of the control valve and a delay stop signal of the submerged arc welding trolley.

By adopting the technical scheme, the submerged arc welding trolley is in the moving process, the position sensor sends an opening and closing signal to the control box after the position sensor identifies the identification block, the control valve is closed at the moment, the welding flux in the welding head moves along with the submerged arc welding trolley, the welding flux remaining in the welding head is discharged to the remaining welding line of the steel roller, and then the submerged arc welding trolley stops. The effect that the welding head of the submerged arc welding trolley falls out without welding flux after the submerged arc welding trolley stops is achieved through the position sensor and the control box in combination with the identification block and the control valve, and the problem that the welding flux falling out from the welding head of the submerged arc welding trolley after the submerged arc welding trolley stops is accumulated on the surface of the steel roller is solved, so that the loss of the welding flux is reduced, and the production cost is reduced.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the retaining piece and the driving part, the steel roller is positioned on the periphery of the positioning rod, and meanwhile, the moving gap between the positioning rod and the steel roller and the flux recovery tank are matched, so that the effects of cleaning the flux on the surface of the steel roller and stripping a slag shell are realized, the steps of cleaning the flux on the surface of the steel roller and stripping the slag shell after the welding of the steel roller is finished are simplified, and the treatment time of the surface of the steel roller after the welding is finished is shortened, so that the standby time of the submerged arc welding machine is shortened, and the welding efficiency of the submerged arc welding machine is improved;

2. through the motor, the independent power supply module and the at least two electromagnets which are arranged in a mode of deviating from each other, when the steel roller and the fixing piece are far away from each other, the steel roller is enabled to be abutted against the fixing piece again by means of the self weight of the steel roller, an operator is not required to move the steel roller, the effect that welding flux and slag shells are automatically separated from the surface of the steel roller is achieved, and the efficiency of the submerged arc welding machine is further improved;

3. the effect that the welding head of the submerged arc welding trolley falls out without welding flux after the submerged arc welding trolley stops is achieved through the position sensor and the control box in combination with the identification block and the control valve, and the problem that the welding flux falling out from the welding head of the submerged arc welding trolley after the submerged arc welding trolley stops is accumulated on the surface of the steel roller is solved, so that the loss of the welding flux is reduced, and the production cost is reduced.

Drawings

Fig. 1 is a schematic view of the entire structure of embodiment 1.

Fig. 2 is a schematic position diagram for showing an identification block and a position sensor of embodiment 1.

FIG. 3 is a schematic view of the entire structure of embodiment 2.

Fig. 4 is a schematic view for showing a state where the movement gap position is changed after the positioning lever of embodiment 2 is rotated.

FIG. 5 is a schematic view showing the relative positions of the filter cloth and the elastic energy absorbing member according to example 2.

FIG. 6 is a schematic view showing the structure of an energy absorbing member of example 2.

Fig. 7 is an enlarged view of fig. 5 at a portion a.

Description of reference numerals: 1. a machine base; 11. a slide rail; 2. a submerged arc welding trolley; 21. a material storage box; 22. welding a machine head; 23. a position sensor; 24. a control box; 25. a control valve; 26. identifying a block; 27. a support; 3. positioning a rod; 4. a positioning device; 41. a drive section; 411. a motor; 412. an independent power supply module; 42. a retention member; 421. welding a seam groove; 422. an electromagnet; 423. a slip ring; 5. a flux recovery tank; 51. a guide surface; 52. a collecting groove; 53. filtering with a screen; 6. a flux lifting device; 7. an elastic energy absorbing member; 71. a deformation chamber; 72. brushing; 8. a filter cloth; 9. a support bar; 91. a butting rod; 92. a groove; 93. a cushion pad; 94. an elastic reset member; 10. an elastic cord.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses a submerged arc welding machine, and aims to shorten the standby time of the submerged arc welding machine and improve the welding efficiency of the submerged arc welding machine.

Example 1

Referring to fig. 1 and 2, the submerged arc welding machine comprises a machine base 1, a submerged arc welding trolley 2, a positioning rod 3, a positioning device 4, a welding flux recovery tank 5 and a welding flux lifting device 6, wherein a slide rail 11 is fixed on the machine base 1, and the slide rail 11 is used for the submerged arc welding trolley 2 to be in rolling connection. The submerged arc welding carriage 2 has a storage tank 21 and a welding head 22, and is provided with a position sensor 23 and a control box 24. The positioning rod 3 and the positioning device 4 are both connected to the machine base 1, the positioning rod 3 extends along the length direction of the sliding rail 11, the positioning rod 3 is used for sleeving the steel roller, and the positioning device 4 is used for fixedly sleeving the steel roller on the positioning rod 3. The flux recovery groove 5 is disposed below the positioning rod 3. The flux lifting device 6 is used for transferring and lifting the flux in the flux recovery tank 5 to the storage box 21 for storage.

After locating the locating lever 3 with the steel roller cover that will wait to weld on, start positioner 4, be fixed in the steel roller on the locating lever 3, then start submerged arc welding dolly 2, the welding flux in the storage case 21 passes through welding head 22 and falls to the welding seam position department on the steel roller. After welding, the steel roller on the positioning rod 3 is rotated, so that the welding flux on the steel roller can be turned and dropped into the welding flux recovery tank 5. And then the flux lifting device 6 is started, so that the flux in the flux recovery tank 5 can be recovered to the storage box 21 for reuse.

Specifically, a control valve 25 is mounted on the welding head 22, the control valve 25 is used for controlling on-off of the welding flux passing through the welding head 22, and the control valve 25 and the position sensor 23 are both electrically connected to the control box 24. An identification block 26 is movably connected to the machine base 1 along the advancing direction of the submerged arc welding trolley 2, the identification block 26 is used for being identified by the position sensor 23, the position sensor 23 is used for outputting a stopping signal to the control box 24, and the stopping signal comprises a closing signal of the control valve 25 and a delay stopping signal of the submerged arc welding trolley 2. It will be appreciated that the identification block 26 is moved according to the length of the steel roll to accommodate the identification position of the position sensor 23 for different lengths of steel roll. The movable connection mode of the identification block 26 and the base 1 may be sliding connection, magnetic attraction fixation, or threaded connection, etc., and the present application is not limited thereto.

The submerged arc welding carriage 2 is fixed with brackets 27 on both the front and rear sides in the traveling direction, and the brackets 27 are connected and fixed with the position sensor 23. The number of the position sensors 23 may be one, two, or three or more, and the application is not limited thereto. By using the position sensor 23 and the control box 24, in combination with the control valve 25, after the control valve 25 is closed, the flux remaining in the welding head 22 is discharged to the remaining weld of the steel roller by the continuous movement of the submerged arc welding trolley 2, so that the effect that the welding head 22 does not fall out after the submerged arc welding trolley 2 is stopped is realized, and the loss of the flux is reduced.

The positioning rod 3 is fixed on the machine base 1, the diameter of the positioning rod 3 is smaller than that of the steel roller, namely when the steel roller is sleeved on the positioning rod 3, a moving gap is reserved between the outer peripheral side of the positioning rod 3 and the inner peripheral wall of the steel roller, so that the positioning device 4 is matched in the following process, and slag shells on the surface of the welded steel roller are scraped.

The positioning device 4 comprises a driving part 41 and a retaining part 42, wherein the driving part 41 is an air cylinder, the driving part 41 is fixed on the machine base 1, and the driving part 41 is used for driving the retaining part 42 to be close to or far away from the steel roller. The retainer 42 is a retainer rod fixed to the output end of the driving portion 41. The retainer 42 is used for abutting the steel roller. The fixing piece 42 extends along the axial direction of the positioning rod 3, a welding groove 421 penetrates through the surface of the fixing piece 42, and the welding groove 421 extends along the length direction of the fixing piece 42. It should be noted that when the driving portion 41 drives the retaining member 42 to abut against the steel roll, the weld of the steel roll will be located in the weld groove 421, so as to determine the welding position of the steel roll.

It should be noted that, after welding, the driving portion 41 is started, the fixing member 42 is far away from the positioning rod 3, the steel roller is moved along the radial direction of the positioning rod 3 by using the moving gap, so that the steel roller can be abutted against the fixing member 42 again, the steel roller is twisted, the welding flux and the slag shell on the surface of the steel roller can be scraped by using the fixing member 42, and the effect that the slag shell and the welding flux are separated from the surface of the steel roller at the same time is achieved.

The flux collection vessel 5 has a guide surface 51 inclined to the inner wall of the vessel 5, a collection vessel 52 opening to the bottom of the vessel 5, and the guide surface 51 guides the flux to be collected in the collection vessel 52. A filter screen 53 is detachably connected to the flux recovery tank 5, the filter screen 53 is located at the notch of the collecting tank 52, and the filter screen 53 is used for blocking the skull to filter the flux. The flux lifting device 6 may be a vacuum feeder or a screw lifter, which is not limited in this application. The flux lifting device 6 is started, so that the flux in the collecting groove 52 can be recycled to the storage box 21 for reuse, and a recycling closed loop of the flux in the welding process is realized.

The implementation principle of the embodiment 1 is as follows: after welding is finished, the fixing piece 42 and the positioning rod 3 are mutually separated through the driving part 41, the steel roller is moved by utilizing the moving gap, the steel roller is pressed against the fixing piece 42 again, the steel roller is rotated, welding flux and slag shells remained on the surface of the steel roller can be scraped into the welding flux recovery tank 5, the effect that the welding flux and the slag shells are collected in the welding flux recovery tank 5 at the same time is achieved, the steps that the welding flux on the surface of the steel roller needs to be cleaned firstly after the welding of the steel roller is finished and then the slag shells need to be peeled are simplified, the processing time of the surface of the steel roller after the welding is finished is shortened, the standby time of a submerged arc welding machine is shortened, and the welding efficiency of the submerged arc welding machine is improved. Further, by using the position sensor 23 and the control box 24 in combination with the control valve 25, the welding head 22 does not drop out of the flux after the submerged arc welding carriage 2 is stopped, thereby reducing the amount of loss of the flux. Furthermore, the flux lifting device 6 is matched to recycle the flux, so that the loss of the flux is further reduced, and the production cost is reduced.

Example 2

Referring to fig. 3, the present embodiment differs from embodiment 1 in the structure of the positioning rod 3, the connection manner of the positioning rod 3 and the housing 1, the structure of the positioning device 4, and the structure of the flux collection vessel 5. The other structures are the same as those of embodiment 1.

Specifically, the positioning rod 3 is rotatably connected to the machine base 1. The diameter of the positioning rod 3 is smaller than or equal to the radius of the steel roller so as to further increase the moving gap between the positioning rod 3 and the steel roller.

The driving part 41 includes a motor 411 and an independent power module 412, and both the motor 411 and the independent power module 412 are fixed on the base 1. An output shaft of the motor 411 is coaxially connected with an end of the positioning rod 3 through a coupling. Both the motor 411 and the independent power module 412 are electrically connected to the control box 24.

Referring to fig. 4 simultaneously, the fixing element 42 includes an electromagnet 422 and a slip ring 423, the electromagnet 422 and the slip ring 423 are both connected to the peripheral side of the positioning rod 3, the electromagnet 422 is at least provided with two, and the electromagnet extends along the axial direction of the positioning rod 3. At least two electromagnets 422 are arranged facing away from each other. The electromagnet 422 is electrically connected with the independent power supply module 412, and the electromagnet 422 is used for magnetically attracting the steel roller. Under the condition that the independent power module 412 supplies power to the electromagnet 422, the motor 411 is started, the positioning rod 3 rotates around the axis of the positioning rod 3, the welding seam of the steel roller rotates towards the welding flux recovery groove 5 along with the positioning rod 3, and in the process, the position of the moving gap is changed. When the welding seam of the steel roller faces the welding flux recovery tank 5, when the control box 24 detects that the rotation angle of the motor 411 reaches a set value, the control box 24 closes the motor 411 and the independent power module 412, the electromagnet 422 is powered off, the steel roller falls off under the influence of self weight and is abutted against the positioning rod 3 again, the steel roller is abutted against the fixing piece 42 again after being separated from the fixing piece 42, meanwhile, the steel roller falls off, the positioning rod 3 is impacted to separate a slag shell from the steel roller, the effect that the welding flux and the slag shell are automatically separated from the surface of the steel roller is achieved, and the efficiency of the submerged arc welding machine is further improved.

The operation of turning off the motor 411 and the independent power module 412 may be manually controlled by an operator or may be triggered by a trigger mechanism. It will be appreciated that in other embodiments, the control box 24 may not be used, and the effect of automatically releasing the flux and skull from the surface of the steel roll may be achieved as well.

Referring to fig. 5, the flux recovery tank 5 is provided with an elastic energy absorbing member 7, a filter cloth 8 and a support rod 9, the elastic energy absorbing member 7 and the filter cloth 8 are fixed on the flux recovery tank 5 through ropes, and the filter cloth 8 is located below the elastic energy absorbing member 7.

With continued reference to FIG. 6, the elastic energy absorbing member 7 has a deformation chamber 71 formed therein. The elastic energy absorbing piece 7 extends along the axial direction of the positioning rod 3, the surface of the elastic energy absorbing piece is provided with bristles 72, and the bristles 72 are used for abutting the surface of the steel roller. The elastic energy absorbing member 7 may be a sponge roller, a rubber roller, etc., and the bristles 72 may be plastic bristles 72, metal bristles 72, etc., which should not be construed as a limitation in the present application.

When the steel roller is pressed against the positioning rod 3 by self weight, the steel roller is pressed against the elastic energy absorbing piece 7. It can be understood that the steel roll abuts both the locating rod 3 and the elastic energy absorbing member 7 during welding. The elastic energy absorbing member 7 and the bristles 72 are designed for the purpose of: because sound is produced by vibrations, consequently locate on the locating lever 3 and the electro-magnet 422 outage at the steel roller cover, when the steel roller received dead weight striking locating lever 3, the elastic energy-absorbing piece 7 of butt in steel roller week side will absorb the partial vibrations of steel roller, the further diffusion of noise can be reduced, before improving welding operation, the problem that steel roller striking locating lever 3 produced noise pollution during in, and through the position setting of elastic energy-absorbing piece 7, reduce elastic energy-absorbing piece 7 and absorb the kinetic energy that the steel roller struck locating lever 3 and lead to the skull still not to break away from the risk of steel roller. Meanwhile, when the steel roller is rotated, the slag shell is further scraped away from the steel roller through the bristles 72 and the elastic energy absorbing piece 7, and the automatic slag shell stripping efficiency is improved.

The rope that filter cloth 8 and filter tank are connected is elastic rope 10, and elastic rope 10 is provided with many. The filter cloth 8 is used for blocking the slag shells to filter the welding flux. The filter cloth 8 is detachably connected to the flux recycling tank 5 through an elastic rope 10, so that the slag shells falling onto the filter cloth 8 can be packaged subsequently. A gap is reserved between the filter cloth 8 and the bottom of the welding flux recovery tank 5.

With reference to fig. 7, an abutting rod 91 is movably connected to one end of the supporting rod 9 away from the flux recovery groove 5, a groove 92 is formed in an end portion of the abutting rod 91 away from the supporting rod 9, and the groove 92 is used for accommodating the positioning rod 3. The inner wall of the abutting rod 91 in the groove 92 is provided with a cushion pad 93, and the cushion pad 93 is used for abutting the free end of the positioning rod 3.

It should be noted that the movable connection between the support rod 9 and the abutting rod 91 may be an insertion connection, a bolt connection, a hinge connection, or the like. In this embodiment, the supporting rod 9 and the abutting rod 91 are hinged to each other, and an elastic resetting member 94 is disposed on the supporting rod 9, and the elastic resetting member 94 is used for forcing the abutting rod 91 to be coaxial with the supporting rod 9. The elastic restoring member 94 may be a torsion spring, a rubber band, etc., and the present application is not limited thereto. The purpose of designing the support bar 9 and the abutment bar 91 is: reduce the steel roll dead weight influence and lead to the crooked risk of locating lever 3, the steel roll receives the dead weight when dropping in locating lever 3 week side simultaneously, and the vibrations of locating lever 3 will be transmitted to flux recovery tank 5 through bracing piece 9, realizes the effect of flux recovery tank 5 shake to the flux that will pile up on filter screen 53 shakes to fall to gathering in the groove 52.

It is noted that the direction of the turning of the abutment lever 91 with respect to the support lever 9. After the steel roller penetrates from the free end of the positioning rod 3, along with the axial movement of the steel roller along the positioning rod 3, the steel roller forces the abutting rod 91 to overturn relative to the supporting rod 9, and after the steel roller moves to a specified position, under the elastic restoring force of the elastic restoring piece 94, the abutting rod 91 restores to the state coaxial with the supporting rod 9 again. It can be understood that an inclined surface avoiding the abutting rod 91 is provided at the free end of the positioning rod 3, so that the abutting rod 91 can be smoothly turned around the positioning rod 3.

The implementation principle of the embodiment 2 is as follows: through motor 411, independent power module and at least two electro-magnet 422 that deviate from the setting each other, when realizing that steel roller and maintenance 42 keep away from each other, utilize the steel roller dead weight, make the steel roller butt in the effect of maintenance 42 again to need not operating personnel and remove the steel roller, realize the effect that welding flux and skull are automatic to break away from the steel roller surface. Furthermore, noise pollution generated when the steel roller impacts the positioning rod 3 is reduced through the elastic energy absorption piece 7, and furthermore, the vibration of the steel roller and the positioning rod 3 is utilized through the supporting rod 9 to realize the shaking effect of the flux recovery groove 5, so that the flux in the flux recovery groove 5 can smoothly flow into the collecting groove 52 through the filter screen 53, and the flux is reduced by matching with the flux lifting device 6 in the flux recovery groove 5.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A submerged arc welding machine is characterized in that: comprises a machine base (1), a submerged arc welding trolley (2), a positioning rod (3), a positioning device (4) and a welding flux recovery tank (5); the submerged arc welding trolley (2) is connected to the machine base (1) in a rolling mode; the positioning rod (3) is arranged on the machine base (1) and extends along the advancing direction of the submerged arc welding trolley (2); the positioning rod (3) is used for sleeving a steel roller; when the steel roller is sleeved on the positioning rod (3), a moving gap is reserved between the outer peripheral side of the positioning rod (3) and the inner peripheral wall of the steel roller; the positioning device (4) is used for fixing the position of the steel roller on the positioning rod (3);

the positioning device (4) comprises a driving part (41) and a retaining piece (42), the driving part (41) is installed on the machine base (1), and the driving part (41) is used for driving the retaining piece (42) to be close to or far away from the steel roller; the fixing piece (42) extends along the axial direction of the positioning rod (3), and the fixing piece (42) is used for abutting against a steel roller on the positioning rod (3); when the retaining piece (42) and the steel roller are far away from each other, the steel roller is moved along the radial direction of the positioning rod (3) and is abutted against the retaining piece (42) again; the flux recovery groove (5) is located below the positioning rod (3), and the flux recovery groove (5) is used for collecting flux falling from the surface of the steel roller.

2. A submerged arc welding machine according to claim 1, characterized in that: the driving part (41) comprises a motor (411) and an independent power supply module (412), the positioning rod (3) is rotatably connected to the base (1), and the end part of the positioning rod is coaxially connected to an output shaft of the motor (411); the diameter of the positioning rod (3) is smaller than or equal to the radius of the steel roller; the fixing piece (42) comprises at least two electromagnets (422), and the at least two electromagnets (422) are mounted on the peripheral side of the positioning rod (3) and are arranged in a manner of deviating from each other; the electromagnet (422) is electrically connected with the independent power supply module (412), and the electromagnet (422) is used for magnetically attracting the steel roller.

3. A submerged arc welding machine according to claim 2, characterized in that: an elastic energy-absorbing part (7) is arranged on the flux recovery tank (5), and the elastic energy-absorbing part (7) is used for abutting against a steel roller; when the steel roller is pressed against the positioning rod (3) by self weight, the steel roller is pressed against the elastic energy-absorbing piece (7).

4. A submerged arc welding machine according to claim 3, characterized in that: the elastic energy absorbing piece (7) is arranged along the axial extension of the positioning rod (3), the surface of the elastic energy absorbing piece is provided with bristles (72), and the bristles (72) are used for abutting against the surface of the steel supply roller.

5. A submerged arc welding machine according to claim 4, characterized in that: and a variable cavity (71) is formed in the elastic energy-absorbing piece (7).

6. A submerged arc welding machine according to claim 2, characterized in that: a filter cloth (8) is arranged on the welding flux recovery tank (5), and a plurality of elastic ropes (10) are connected with the edge of the filter cloth (8); the filter cloth (8) is detachably connected to the flux recovery tank (5) through the elastic rope (10); a gap is reserved between the filter cloth (8) and the bottom of the welding flux recovery tank (5); the filter cloth (8) is used for filtering the welding flux falling into the welding flux recovery tank (5).

7. A submerged arc welding machine according to claim 1 or 2, characterized in that: the welding flux recovery groove (5) is provided with a supporting rod (9), the end part, far away from the welding flux recovery groove (5), of the supporting rod (9) is movably connected with a butting rod (91), the end part, far away from the supporting rod (9), of the butting rod (91) is provided with a groove (92), and the groove (92) is used for containing the positioning rod (3).

8. A submerged arc welding machine according to claim 7, characterized in that: the supporting rod (9) is hinged with the abutting rod (91); the supporting rod (9) is provided with an elastic resetting piece (94), and the elastic resetting piece (94) is used for forcing the abutting rod (91) to be coaxial with the supporting rod (9).

9. A submerged arc welding machine according to claim 7, characterized in that: the inner wall of the abutting rod (91) located in the groove (92) is provided with a buffering pad (93), and the buffering pad (93) is used for abutting against the positioning rod (3).

10. A submerged arc welding machine according to claim 1, characterized in that: the submerged arc welding trolley (2) is provided with a storage box (21) and a welding head (22), a control valve (25) is installed on the welding head (22), and the control valve (25) is used for controlling on-off of welding flux passing through the welding head (22); a position sensor (23) and a control box (24) are arranged on the submerged arc welding trolley (2); said control valve (25) and said position sensor (23) are both electrically connected to said control box (24); an identification block (26) is connected to the machine base (1) along the advancing direction of the submerged arc welding trolley (2); the identification block (26) is used for identifying the position sensor (23); the position sensor (23) is used for outputting a shut-off signal to the control box (24); the stop signal comprises a closing signal of the control valve (25) and a delay stop signal of the submerged arc welding trolley (2).