CN116810236A - Welding device for steel roller production - Google Patents
Welding device for steel roller production Download PDFInfo
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- CN116810236A CN116810236A CN202311098859.6A CN202311098859A CN116810236A CN 116810236 A CN116810236 A CN 116810236A CN 202311098859 A CN202311098859 A CN 202311098859A CN 116810236 A CN116810236 A CN 116810236A
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- 238000003466 welding Methods 0.000 title claims abstract description 151
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 33
- 239000010959 steel Substances 0.000 title claims abstract description 33
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 230000001360 synchronised effect Effects 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims description 41
- 238000009825 accumulation Methods 0.000 abstract 1
- 238000001125 extrusion Methods 0.000 description 7
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- 238000010586 diagram Methods 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The invention discloses a welding device for steel roller production, which belongs to the technical field of steel roller production and comprises a base, wherein a synchronous rotation driving device is arranged on the upper side of the base, a steel roller to-be-welded assembly is arranged on the synchronous rotation driving device, the steel roller to-be-welded assembly comprises a roller body, inner sleeves are inserted into left and right ports of the inner side of the roller body, a roll shaft is welded in the middle of one side of the inner sleeve, which is far away from the roller body, the synchronous rotation driving device can drive the roller body and the roll shafts at two ends to synchronously rotate, hydraulic cylinders are fixedly connected to the left and right ends of the upper side of the base, a gap between the outer side surface of an end plate of the inner sleeve and the inner side surface of the roller body is an annular welding seam to be welded, welding guns are arranged at the bottoms of the left and right ends of the roller body, and the welding ends of the welding guns face obliquely downwards towards the bottommost parts of the annular welding seam at the same end; the seam following mechanism after the force accumulation can enable the welding end of the welding gun to be always close to the bottommost part of the annular welding seam.
Description
Technical Field
The invention relates to the technical field of steel roller production, in particular to a welding device for steel roller production.
Background
In the production process of the combined steel roller, the roller shaft and the end plates of the inner sleeve are required to be welded firstly, the coaxiality of the roller shaft and the inner sleeve is required to be corrected before welding, then the two inner end pipes welded with the roller shafts are respectively welded to the left end and the right end of the inner side of the roller body, the coaxiality of the roller shaft and the roller body is required to be corrected before welding, the roller body and the inner sleeve are automatically welded through a special welding device, and the special welding device can enable the roller body and the roller shafts at the two ends to synchronously rotate and automatically weld through a welding gun which is fixed relatively.
However, in the production process of large-scale steel rolls, some large-scale roll bodies are formed by extrusion molding and welding of thick steel plates, and the roundness of the large-scale roll bodies is easy to be poor, so that a welding gun relatively fixed in the welding process of the large-scale roll bodies and an inner sleeve cannot always align with a rotating welding seam, and because the coaxiality of a roll shaft and the inner sleeve in the previous welding process is unavoidable, the coaxiality of the inner sleeve and the roll bodies is difficult to be ensured when the roll shaft and the roll bodies are corrected, so that the welding seam between the inner sleeve and the roll bodies easily swings left and right by a certain extent during rotation, the difficulty of aligning the rotating welding seam of the relatively fixed welding gun is further increased, the welding quality of partial parts is poor, and even the condition of welding leakage is easy to occur, and a large amount of later repair welding work is required.
Based on the above, the invention designs a welding device for producing the steel roller, so as to solve the problems.
Disclosure of Invention
The invention aims to provide a welding device for steel roller production, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a welding set is used in steel roll production, includes the base, the base upside is equipped with synchronous rotation drive arrangement, be equipped with the steel roll on the synchronous rotation drive arrangement and wait to weld the subassembly, the steel roll is waited to weld the subassembly and is included the roll body, both ends mouth all peg graft and have interior sleeve pipe about the roll body inboard, one side middle part welding that the roll body was kept away from to interior sleeve pipe has the roller, synchronous rotation drive arrangement can drive the roller synchronous rotation of roller body and both ends, the equal fixedly connected with pneumatic cylinder of both ends about the base upside, gap between the lateral surface of interior sleeve pipe end plate and the roll body medial surface is the annular weld joint of waiting to weld, the bottom at both ends all is equipped with the welding gun about the roll body, the welding end of welding gun all inclines downwards towards the bottom of annular weld joint of same end, the free end of pneumatic cylinder all faces the roll body, all be equipped with between the welding gun of free end and same end of pneumatic cylinder and chase after the mechanism, chase after the seam mechanism can make the welding end of welding gun close annular welded joint all the time.
The seam tracking mechanism comprises a horizontal rod, the free end fixed connection of horizontal rod and pneumatic cylinder, two first slide bars of sliding connection in the upper and lower direction, two first slide bar lower extreme joint fixedly connected with first sliding sleeve, first sliding sleeve is in the first sliding connection of direction about, the one end fixedly connected with second sliding sleeve of first sliding bar orientation roll body, second sliding sleeve is in the upper and lower direction upper and lower sliding connection have the second sliding bar, the upper end of second sliding bar and the outside sliding connection of welding gun, fixedly connected with horizontal spring between the one end of first sliding bar and the first sliding sleeve of interior sleeve was kept away from, fixedly connected with vertical spring between the lower extreme of second sliding bar and the second sliding sleeve, one side fixedly connected with first ejector pin of second sliding bar near the roll body, first ejector pin top can contact with the bottom of roll body excircle wall, second ejector pin top fixedly connected with second ejector pin, one end that the second is close to the roll body can carry out the relative sliding connection with welding gun outside, second ejector pin can be equipped with between the first sliding sleeve and the first sliding sleeve, the second sliding bar is equipped with the relative transmission subassembly.
As a further scheme of the invention, the first transmission assembly comprises an inclined sliding groove, the inclined sliding groove is fixedly connected with the first ejector rod, the inclined sliding groove is connected with an inclined sliding block in a sliding manner, and the inclined sliding block is fixedly connected with the first sliding sleeve.
As a further scheme of the invention, the auxiliary seam following mechanism comprises a movable frame, the bottom of the movable frame is rotationally connected with one end, close to the inner sleeve, of the second ejector rod, the protruding end, facing the inner sleeve, of the top of the movable frame can be contacted with the outer side surface of the end plate of the inner sleeve, an elastic telescopic rod is hinged between the top of the movable frame and one end, far away from the inner sleeve, of the second ejector rod, a second transmission assembly is arranged between the top of the movable frame and the welding gun, and the movable frame can push the welding gun to slide left and right through the second transmission assembly.
As a further scheme of the invention, the second transmission assembly comprises two U-shaped transmission parts, the two U-shaped transmission parts are fixedly connected with the front side and the rear side of the lower end of the movable frame respectively, the inner sides of the U-shaped transmission parts are both slidingly and rotatably connected with transmission shafts, and the transmission shafts are both fixedly connected with the welding gun.
As a further scheme of the invention, the top end of the first ejector rod is arranged into a conical structure, the top end of the first ejector rod is movably connected with a first ball, and the first ball can roll along the outer circular wall of the roller body.
As a further scheme of the invention, one end of the second ejector rod, which is close to the inner sleeve, is movably connected with a second ball, the second ball can roll along the outer side surface of the end plate of the inner sleeve, the movable frame is movably connected with a third ball towards the protruding end of the inner sleeve, the third ball can roll along the outer side surface of the end plate of the inner sleeve, and the welding ends of the second ball, the third ball and the welding gun are positioned on the same plane.
As a further scheme of the invention, the first sliding sleeve is fixedly connected with a second sliding rod, the second sliding rod is in sliding connection with the first sliding rod in the left-right direction, and the second sliding rod is sleeved in the horizontal spring.
As a further scheme of the invention, the second sliding sleeve is fixedly connected with a third sliding rod, the third sliding rod is in sliding connection with the second sliding strip in the up-down direction, and the third sliding rod is sleeved in the vertical spring.
As a further scheme of the invention, the included angle between the track of the inclined sliding block sliding along the inclined sliding groove and the horizontal plane is forty-five degrees.
As a further scheme of the invention, the first sliding rods are fixedly connected with limiting plates, and the limiting plates are positioned above the horizontal rods.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, in the process of moving the welding gun to a welding position, the horizontal spring and the vertical spring can store force, the vertical spring after storing force can enable the top end of the first ejector rod to be always propped against the bottommost part of the outer wall of the roller body, so that the welding end of the welding gun is always close to the bottommost part of the inner wall of the roller body, the horizontal spring after storing force can enable the tail end of the second ejector rod to be always propped against the outer side surface of the inner sleeve end plate and enable the welding end of the welding gun to be always close to the bottom of the outer side surface of the inner sleeve end plate under the cooperation of the auxiliary seam tracking mechanism, so that the welding gun always catches up with the bottom of the rotating annular welding seam in the welding process, the welding quality and uniformity are guaranteed, the situation that the welding quality of a welding part does not reach the standard or even the welding leakage is avoided due to the fact that the distance between the welding head and the rotating annular welding seam cannot be accurately controlled is avoided, and the later repair welding work is avoided.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of a right end portion of the present invention;
FIG. 3 is a schematic diagram of a three-dimensional structure of a seam tracking mechanism;
FIG. 4 is a schematic diagram illustrating a connection relationship between a first sliding sleeve and a first sliding strip and a second sliding sleeve and a second sliding strip;
FIG. 5 is a schematic view of the positional relationship between the first, second and third balls and the welding end of the welding gun;
fig. 6 is a schematic cross-sectional structure of the second ejector pin and the movable frame.
In the drawings, the list of components represented by the various numbers is as follows:
a base; 2. a synchronous rotation driving device; 3. a roller body; 4. an inner sleeve; 5. a roll shaft; 6. a hydraulic cylinder; 7. a horizontal bar; 8. a first slide bar; 9. a first sliding sleeve; 10. a first slide bar; 11. the second sliding sleeve; 12. a second slide bar; 13. a welding gun; 14. a horizontal spring; 15. a vertical spring; 16. a first ejector rod; 17. a second ejector rod; 18. an inclined chute; 19. an inclined slide block; 20. a movable frame; 21. an elastic telescopic rod; 22. a U-shaped transmission member; 23. a transmission shaft; 24. a first ball; 25. a second ball; 26. a third ball; 27. a second slide bar; 28. and a third slide bar.
Detailed Description
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a welding set is used in steel roll production, the on-line screen storage device comprises a base 1, 1 upside of base is equipped with synchronous rotation drive arrangement 2, be equipped with the steel roll on the synchronous rotation drive arrangement 2 and wait to weld the subassembly, the steel roll is waited to weld the subassembly and is included roll body 3, the inboard left and right sides port of roll body 3 has all pegged graft and has interior sleeve pipe 4, one side middle part welding that roll body 3 was kept away from to interior sleeve pipe 4 has roller 5, synchronous rotation drive arrangement 2 can drive the roller body 3 and the roller 5 synchronous rotation at both ends, the equal fixedly connected with pneumatic cylinder 6 of both ends about the base 1 upside, gap between the lateral surface of interior sleeve pipe 4 end plate and the roll body 3 medial surface is the annular welded seam of waiting to weld, the bottom at both ends all is equipped with welding gun 13 about the roll body 3, the welding end of welding gun 13 all faces the bottom of the annular welded seam of same end downward, all be equipped with between the welding gun 13 of the free end of pneumatic cylinder 6 and the welding gun 13 of same end, the welding gun 13 all is equipped with the mechanism of following the seam.
The seam following mechanism comprises a horizontal rod 7, the horizontal rod 7 is fixedly connected with the free end of a hydraulic cylinder 6, the horizontal rod 7 is connected with two first sliding rods 8 in a sliding way in the up-down direction, the lower ends of the two first sliding rods 8 are fixedly connected with a first sliding sleeve 9 together, the first sliding sleeve 9 is connected with a first sliding strip 10 in a sliding way in the left-right direction, one end of the first sliding strip 10 facing the roller body 3 is fixedly connected with a second sliding sleeve 11, the second sliding sleeve 11 is connected with a second sliding strip 12 in the up-down direction in a sliding way, the upper end of the second sliding strip 12 is connected with the outer side of a welding gun 13 in a sliding way, a horizontal spring 14 is fixedly connected between one end of the first sliding strip 10 far away from the inner sleeve 4 and the first sliding sleeve 9, a vertical spring 15 is fixedly connected between the lower end of the second sliding bar 12 and the second sliding bar 11, a first ejector rod 16 is fixedly connected to one side, close to the roller body 3, of the second sliding bar 12, the top end of the first ejector rod 16 can be in contact with the bottom of the outer circular wall of the roller body 3, a second ejector rod 17 is fixedly connected to the top end of the second sliding bar 12, one end, close to the roller body 3, of the second ejector rod 17 can be in contact with the outer side surface of the end plate of the inner sleeve 4, a first transmission assembly is arranged between the first sliding bar 9 and the second sliding bar 12, the first sliding bar 9 can push the second sliding bar 11 to slide up and down relative to the second sliding bar 12 through the first transmission assembly, and an auxiliary seam tracking mechanism is arranged between the second ejector rod 17 and the welding gun 13.
When the scheme is put into practical use, the steel roller to-be-welded assembly is placed on the synchronous rotation driving device 2, the hydraulic cylinder 6 is stretched, the hydraulic cylinder 6 horizontally pushes the welding gun 13 through the seam following mechanism, so that the welding gun 13 is horizontally moved to the bottommost part of the annular welding seam at the same end on the steel roller to-be-welded assembly, the hydraulic cylinder 6 continues to stretch for a certain distance, the seam following mechanism stores force, the synchronous rotation driving device 2 is started, the roller body 3 and the roller shafts 5 at the two ends are driven to synchronously and slowly rotate, meanwhile, the welding gun 13 is started, the welding gun 13 starts to weld, and the seam following mechanism after storing force can enable the welding end of the welding gun 13 to be always close to the bottommost part of the annular welding seam; specifically, before the hydraulic cylinder 6 is not stretched, the horizontal rod 7 is positioned at the top end of the first sliding rod 8, the first sliding strip 10 is positioned at one end of the first sliding sleeve 9 closest to the roller body 3, the second sliding strip 12 is positioned at the bottommost end of the second sliding sleeve 11, the welding end of the welding gun 13 is aligned with the bottommost end of the inner side wall of the roller body 3, and the top end of the first ejector rod 16 is aligned with the bottommost end of the outer side wall of the roller body 3; the hydraulic cylinder 6 starts to stretch, the welding gun 13 translates along with the hydraulic cylinder, when the welding end of the welding gun 13 translates to the bottom of the inner side of the roller body 3, the top end of the first ejector rod 16 translates to the bottom of the outer circular wall of the roller body 3 and is tightly attached to the outer wall of the roller body 3, before the welding gun 13 moves to the bottommost part of the annular welding seam and the second ejector rod 17 contacts with the inner sleeve 4, the auxiliary seam tracking mechanism firstly contacts with the outer side wall of the end plate of the inner sleeve 4 and enables the welding gun 13 to move slightly in the horizontal direction relative to the second sliding strip 12 under the relative pushing of the inner sleeve 4, and when the second ejector rod 17 contacts with the inner sleeve 4, the welding end of the welding gun 13 just moves to be aligned with the bottommost part of the annular welding seam; after that, the hydraulic cylinder 6 continues to extend for a certain distance, the second sliding bar 12 is not displaced because the first ejector rod 16 and the second ejector rod 17 respectively bear against the bottom of the outer circular wall of the roller body 3 and the outer side surface of the end plate of the inner sleeve 4, so that the second sliding sleeve 11 and the first sliding bar 10 are not horizontally displaced any more, the hydraulic cylinder 6 pushes the first sliding sleeve 9 to continuously translate for a certain distance towards the roller body 3 through the horizontal rod 7 and the first sliding bar 8 and compress the horizontal spring 14, and the first sliding sleeve 9 drives the second sliding sleeve 11 to move upwards for a certain distance relative to the second sliding bar 12 through the first transmission assembly and compresses the vertical spring 15; when the horizontal spring 14 and the vertical spring 15 are compressed to a proper degree, the hydraulic cylinder 6 stops stretching, then the synchronous rotation driving device 2 is started to drive the roller body 3 and the roller shafts 5 at the two ends to synchronously rotate, the roller shafts 5 drive the inner sleeve 4 to synchronously rotate, and meanwhile, the welding gun 13 is started, and the welding gun 13 performs welding work; in the process of rotating the roller body 3, the first ejector rod 16 moves up and down in a small amplitude along with the roundness change of the outer circular wall of the roller body 3 under the extrusion of the vertical spring 15, so that the welding gun 13 always keeps a position close to the bottommost part of the inner side wall of the roller body 3, when the inner sleeve 4 rotates, the inner sleeve 4 positioned at the lowest part of the inner side wall of the roller body 3 can incline in a small amplitude left and right due to the error of coaxiality between the inner sleeve 4 and the roller shaft 5 and the roller body 3, the second ejector rod 17 always clings to the outer side surface of the end plate of the inner sleeve 4 under the extrusion of the horizontal spring 14 and always keeps the welding end of the welding gun 13 close to the bottommost part of the end wall of the inner sleeve 4 at the auxiliary seam following mechanism, and the welding of the welding gun 13 always aims at the bottommost part of the rotating annular welding seam; like this, the device can make horizontal spring 14 and perpendicular spring 15 hold the power in the in-process that removes welding rifle 13 to the welding position, perpendicular spring 15 after holding the power can make the top of first ejector pin 16 push up in the bottommost of roll body 3 outer wall all the time, thereby make the welded end of welding rifle 13 press close to the bottommost of roll body 3 inner wall all the time, horizontal spring 14 after holding the power can make the terminal of second ejector pin 17 push up on the lateral surface of inner tube 4 end plate all the time and make the welded end of welding rifle 13 press close to the minimum of inner tube 4 end plate lateral surface all the time under the cooperation of supplementary joint-following mechanism, thereby realize welding rifle 13 in the in-process of welding always follow up the minimum of pivoted annular welded joint, and then guaranteed welded quality and degree of consistency, avoid leading to the partial welding quality of welded part not up to standard even the condition emergence of welding that leaks because of unable accurate control soldered connection and pivoted annular welded joint's distance, avoided later stage repair welding work.
As shown in fig. 3, as a further scheme of the present invention, the first transmission assembly includes a diagonal chute 18, where the diagonal chute 18 is fixedly connected with the first ejector rod 16, and the diagonal chute 18 is slidably connected with a diagonal slider 19, and the diagonal slider 19 is fixedly connected with the first sliding sleeve 9.
When the scheme is put into practical use, when the second ejector rod 17 abuts against the end plate of the inner sleeve 4 and the hydraulic cylinder 6 continues to push the first sliding sleeve 9 to move towards the roller body 3, the inclined sliding block 19 moving along with the first sliding sleeve 9 slides upwards obliquely along the fixed inclined sliding groove 18, the inclined sliding block 19 drives the first sliding sleeve 9 moving towards the roller body 3 to move upwards under the reaction force of the fixed inclined sliding groove 18, the first sliding sleeve 9 drives the first sliding rod 8 to move upwards relative to the horizontal rod 7, and meanwhile, the first sliding sleeve 9 drives the second sliding sleeve 11 to slide upwards along the second sliding strip 12 through the first sliding strip 10, so that the vertical spring 15 is gradually compressed.
As shown in fig. 3 and 5, as a further scheme of the present invention, the auxiliary seam following mechanism includes a movable frame 20, the bottom of the movable frame 20 is rotatably connected with one end of the second ejector rod 17 close to the inner sleeve 4, the protruding end of the top of the movable frame 20 facing the inner sleeve 4 can contact with the outer side surface of the end plate of the inner sleeve 4, an elastic telescopic rod 21 is hinged between the top of the movable frame 20 and one end of the second ejector rod 17 far away from the inner sleeve 4, a second transmission assembly is arranged between the top of the movable frame 20 and the welding gun 13, and the movable frame 20 can push the welding gun 13 to slide left and right through the second transmission assembly.
When the scheme is put into practical use, before the protruding end at the top of the movable frame 20 is not contacted with the inner sleeve 4, the upper end of the movable frame 20 is inclined towards the direction of the roller body 3 under the extrusion of the elastic telescopic rod 21, and the U-shaped transmission piece 22 at the bottom end of the movable frame 20 pushes the welding gun 13 to slightly displace towards the direction away from the roller body 3 through the transmission shaft 23; before the welding gun 13 is about to translate to the lowest part of the annular welding seam, the protruding end at the top of the movable frame 20 is firstly contacted with the inner sleeve 4 and gradually overturns towards the direction far away from the roller body 3 under the extrusion of the inner sleeve 4, the overturned movable frame 20 drives the welding gun 13 to translate towards the direction of the inner sleeve 4 relative to the second sliding strip 12 through the second transmission assembly, and when one end of the second ejector rod 17 close to the roller body 3 is also contacted with the inner sleeve 4, the welding end of the welding gun 13 just translates to the lowest part of the outer side surface of the end plate of the inner sleeve 4.
As shown in fig. 3 and 5, as a further scheme of the present invention, the second transmission assembly includes two U-shaped transmission members 22, the two U-shaped transmission members 22 are fixedly connected to the front and rear sides of the lower end of the movable frame 20, the inner sides of the U-shaped transmission members 22 are both slidingly and rotatably connected to a transmission shaft 23, and the transmission shaft 23 is fixedly connected to the welding gun 13.
When the scheme is put into practical use, when the movable frame 20 is inclined towards the direction of the roller body 3 under the extrusion of the elastic telescopic rod 21, the movable frame 20 drives the U-shaped transmission piece 22 to turn over towards the direction away from the roller body 3, and the U-shaped transmission piece 22 drives the welding gun 13 to slightly translate towards the direction away from the roller body 3 relative to the second sliding bar 12 through the transmission shaft 23; when the movable frame 20 is turned away from the roller body 3 under the extrusion of the inner sleeve 4, the welding gun 13 translates towards the lowest part of the outer side surface of the end plate of the inner sleeve 4 relative to the second slide bar 12 in the same way and in the opposite direction.
As shown in fig. 3 and 5, as a further scheme of the present invention, the top end of the first ejector rod 16 is provided with a conical structure, the top end of the first ejector rod 16 is movably connected with a first ball 24, and the first ball 24 can roll along the outer circular wall of the roller body 3; in operation, the conical structure at the top end of the first ejector rod 16 can enable the top end of the first ejector rod 16 to easily slide to the bottommost part of the outer side surface of the roller body 3 along the end part of the lowest part of the outer wall of the roller body 3; by providing the first balls 24, the friction between the first jack 16 and the roller body 3 can be greatly reduced.
As shown in fig. 6, as a further scheme of the present invention, one end of the second ejector rod 17, which is close to the inner sleeve 4, is movably connected with a second ball 25, the second ball 25 can roll along the outer side surface of the end plate of the inner sleeve 4, the movable frame 20 is movably connected with a third ball 26 towards the protruding end of the inner sleeve 4, the third ball 26 can roll along the outer side surface of the end plate of the inner sleeve 4, and the welding ends of the second ball 25, the third ball 26 and the welding gun 13 are located on the same plane; in operation, the second ball 25 can greatly reduce the friction between the tail end of the second ejector rod 17 and the inner sleeve 4, and the third ball 26 can greatly reduce the friction between the protruding end of the top of the movable frame 20 and the inner sleeve 4.
As shown in fig. 4, as a further scheme of the present invention, the first sliding sleeve 9 is fixedly connected with a second sliding rod 27, the second sliding rod 27 is slidingly connected with the first sliding strip 10 in the left-right direction, and the second sliding rod 27 is sleeved in the horizontal spring 14; in operation, the second slide bar 27 can make the sliding between the first slide sleeve 9 and the first slide bar 10 more stable, and can prevent the horizontal spring 14 from twisting when being compressed.
As shown in fig. 4, as a further scheme of the present invention, a third sliding rod 28 is fixedly connected to the second sliding sleeve 11, the third sliding rod 28 is slidingly connected to the second sliding rod 12 in the up-down direction, and the third sliding rod 28 is sleeved in the vertical spring 15; in operation, the third slide bar 28 can stabilize the sliding between the second slide 11 and the second slide 12, and can prevent the vertical spring 15 from twisting when compressed.
As a further aspect of the present invention, as shown in fig. 3, the included angle between the track along which the inclined slide 19 slides along the inclined slide groove 18 and the horizontal plane is forty-five degrees; in operation, the angle between the sliding track of the inclined sliding block 19 along the inclined sliding groove 18 and the horizontal plane is forty-five degrees, so that the relative horizontal displacement length between the first sliding sleeve 9 and the first sliding strip 10 is the same as the relative vertical displacement length between the second sliding sleeve 11 and the second sliding strip 12.
As shown in fig. 2 and 3, as a further scheme of the present invention, the first slide bars 8 are fixedly connected with limiting plates, and the limiting plates are all located above the horizontal bars 7; in operation, when the first slide bar 8 slides down to the limit disc to be in contact with the horizontal bar 7, the top end of the first ejector rod 16 is slightly higher than or equal to the lowest position outside the roller body 3, and the height of the welding end of the welding gun 13 is slightly higher than or equal to the lowest position inside the roller body 3.
Claims (10)
1. Welding set is used in steel roll production, including base (1), its characterized in that: the automatic welding device is characterized in that a synchronous rotation driving device (2) is arranged on the upper side of the base (1), a steel roller to-be-welded assembly is arranged on the synchronous rotation driving device (2), the steel roller to-be-welded assembly comprises a roller body (3), inner sleeves (4) are inserted into the left and right ports of the inner side of the roller body (3), a roll shaft (5) is welded in the middle of one side of the inner sleeve (4) far away from the roller body (3), the synchronous rotation driving device (2) can drive the roller body (3) and the roll shafts (5) at the two ends to synchronously rotate, hydraulic cylinders (6) are fixedly connected to the left and right ends of the upper side of the base (1), a gap between the outer side surface of an end plate of the inner sleeve (4) and the inner side surface of the roller body (3) is an annular welding joint to be welded, welding guns (13) are arranged at the bottoms of the left and right ends of the roller body (3), the welding ends of the welding guns (13) face downwards obliquely towards the bottommost part of the annular welding joint at the same end, the free ends of the hydraulic cylinders (6) face the roller body (3), and the welding mechanism between the free ends of the free ends (6) and the free ends of the free ends and the annular guns (13) can always follow the annular welding joint;
the seam following mechanism comprises a horizontal rod (7), the horizontal rod (7) is fixedly connected with the free end of a hydraulic cylinder (6), two first sliding rods (8) are connected with the horizontal rod (7) in a sliding manner in the vertical direction, a first sliding sleeve (9) is fixedly connected with the lower end of each first sliding rod (8), a first sliding strip (10) is connected with the first sliding sleeve (9) in a sliding manner in the left-right direction, a second sliding sleeve (11) is fixedly connected with one end of each first sliding strip (10) facing the roller body (3), a second sliding strip (12) is connected with the second sliding sleeve (11) in the vertical direction in a sliding manner, the upper end of each second sliding strip (12) is connected with the outer side of a welding gun (13) in a sliding manner, a horizontal spring (14) is fixedly connected between one end of each first sliding strip (10) far away from an inner sleeve (4) and each first sliding sleeve (9), a vertical spring (15) is fixedly connected between the lower end of each second sliding strip (12) and each second sliding sleeve (11), a top rod (16) can be fixedly connected with the top end of each second sliding strip (12) close to the roller body (16) and the top end of each second sliding strip (16) is fixedly connected with the top rod (16), one end of the second ejector rod (17) close to the roller body (3) can be in contact with the outer side surface of the end plate of the inner sleeve (4), a first transmission assembly is arranged between the first sliding sleeve (9) and the second sliding strip (12), the first sliding sleeve (9) can push the second sliding sleeve (11) to slide up and down relative to the second sliding strip (12) through the first transmission assembly, and an auxiliary seam tracking mechanism is arranged between the second ejector rod (17) and the welding gun (13).
2. A welding device for steel roll production according to claim 1, characterized in that: the first transmission assembly comprises an inclined sliding groove (18), the inclined sliding groove (18) is fixedly connected with the first ejector rod (16), the inclined sliding groove (18) is connected with an inclined sliding block (19) in a sliding mode, and the inclined sliding block (19) is fixedly connected with the first sliding sleeve (9).
3. A welding device for steel roll production according to claim 1, characterized in that: the auxiliary seam following mechanism comprises a movable frame (20), the bottom of the movable frame (20) is rotationally connected with one end, close to an inner sleeve (4), of a second ejector rod (17), the top of the movable frame (20) faces towards the protruding end of the inner sleeve (4) and can be in contact with the outer side face of an end plate of the inner sleeve (4), an elastic telescopic rod (21) is hinged between the top of the movable frame (20) and one end, far away from the inner sleeve (4), of the second ejector rod (17), a second transmission assembly is arranged between the top of the movable frame (20) and a welding gun (13), and the movable frame (20) can push the welding gun (13) to slide left and right through the second transmission assembly.
4. A welding apparatus for steel roll production according to claim 3, wherein: the second transmission assembly comprises two U-shaped transmission parts (22), the two U-shaped transmission parts (22) are fixedly connected with the front side and the rear side of the lower end of the movable frame (20) respectively, the inner sides of the U-shaped transmission parts (22) are both slidingly and rotationally connected with transmission shafts (23), and the transmission shafts (23) are both fixedly connected with the welding gun (13).
5. A welding device for steel roll production according to claim 1, characterized in that: the top of the first ejector rod (16) is in a conical structure, a first ball (24) is movably connected to the top of the first ejector rod (16), and the first ball (24) can roll along the outer circular wall of the roller body (3).
6. A welding apparatus for steel roll production according to claim 3, wherein: the one end swing joint that second ejector pin (17) is close to interior sleeve pipe (4) has second ball (25), second ball (25) can roll along the lateral surface of interior sleeve pipe (4) end plate, protruding end swing joint of movable frame (20) towards interior sleeve pipe (4) has third ball (26), third ball (26) can roll along the lateral surface of interior sleeve pipe (4) end plate, the welding end of second ball (25), third ball (26) and welding gun (13) is located the coplanar.
7. A welding device for steel roll production according to claim 1, characterized in that: the first sliding sleeve (9) is fixedly connected with a second sliding rod (27), the second sliding rod (27) is in sliding connection with the first sliding rod (10) in the left-right direction, and the second sliding rod (27) is sleeved in the horizontal spring (14).
8. A welding device for steel roll production according to claim 1, characterized in that: the second sliding sleeve (11) is fixedly connected with a third sliding rod (28), the third sliding rod (28) is in sliding connection with the second sliding rod (12) in the up-down direction, and the third sliding rod (28) is sleeved in the vertical spring (15).
9. A welding device for steel roll production according to claim 2, characterized in that: the included angle between the sliding track of the inclined sliding block (19) along the inclined sliding groove (18) and the horizontal plane is forty-five degrees.
10. A welding device for steel roll production according to claim 1, characterized in that: the first sliding rods (8) are fixedly connected with limiting plates, and the limiting plates are located above the horizontal rods (7).
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| CN202311098859.6A CN116810236B (en) | 2023-08-30 | 2023-08-30 | Welding device for steel roller production |
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| CN202311098859.6A CN116810236B (en) | 2023-08-30 | 2023-08-30 | Welding device for steel roller production |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117655606A (en) * | 2023-12-30 | 2024-03-08 | 江苏时代天勤彩色包装有限公司 | Welding device for steel core of printing roll shaft |
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| CN116810236B (en) | 2024-01-26 |
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