CN113001094A - Steel pipe concentric pressing and welding device - Google Patents
Steel pipe concentric pressing and welding device Download PDFInfo
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- CN113001094A CN113001094A CN202110214632.8A CN202110214632A CN113001094A CN 113001094 A CN113001094 A CN 113001094A CN 202110214632 A CN202110214632 A CN 202110214632A CN 113001094 A CN113001094 A CN 113001094A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0533—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor external pipe alignment clamps
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Abstract
The invention discloses a concentric steel pipe pressing and welding device, and relates to the technical field of steel pipe welding equipment. According to the invention, the steel pipes with different outer diameters can be clamped, the operation is convenient and fast, the stability is good, the two compression sleeves simultaneously compress the two steel pipes, the clamping precision is higher, the steel pipe welding type alignment effect is better, the annular welding processing treatment can be realized for the welded part of the steel pipes, the operation is convenient and fast, the working efficiency is higher, the flexible belt can be prevented from contacting with the outer wall of the driving frame, the safety of the flexible belt in the movement adjusting process is ensured, the service life of the flexible belt is prolonged, the multi-angle multi-direction flexible support for the flexible belt can be realized, the stability of the steel pipes can be effectively enhanced, the annular multi-point auxiliary support can be realized for the outer side of the first flexible ball, and the support effect for the flexible belt is.
Description
Technical Field
The invention relates to the technical field of steel pipe welding equipment, in particular to a concentric steel pipe pressing and welding device.
Background
The steel pipe is a steel material with a hollow section, the length of the steel pipe is far greater than the diameter or the perimeter, and the steel pipe is divided into round, square, rectangular and special-shaped steel pipes according to the shape of the section; the steel pipe is divided into a carbon structural steel pipe, a low-alloy structural steel pipe, an alloy steel pipe and a composite steel pipe according to the material quality; the steel pipes are divided into steel pipes for conveying pipelines, engineering structures, thermal equipment, petrochemical industry, machinery manufacturing, geological drilling, high-pressure equipment and the like according to the application; the production process includes seamless steel pipe and welded steel pipe, the seamless steel pipe includes hot rolling and cold rolling (drawing), and the welded steel pipe includes straight seam welded steel pipe and spiral seam welded steel pipe.
The existing concentric pressing welding device for the steel pipe has poor aligning effect during welding the steel pipe, is not convenient and fast to operate and has low working efficiency.
Disclosure of Invention
The invention aims to provide a concentric steel pipe pressing and welding device to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a concentric welding set that compresses tightly of steel pipe, includes base and weld holder, base top bilateral symmetry is equipped with the compression sleeve, the weld holder activity is located two compress between the sleeve, compression sleeve inner wall symmetry is equipped with a plurality of swing joint's holding frame, the holding frame extends to the compression sleeve is inboard.
Further, a laser welding head is arranged at the bottom of the outer wall of the welding frame, a first servo motor is arranged at the top of the outer wall of the welding frame, an annular rack is arranged at one end, adjacent to the outer wall of the two pressing sleeves, of the first servo motor, a first gear meshed with the annular rack is sleeved on an output shaft of the first servo motor, a second gear meshed with the annular rack is arranged at one side of the first servo motor at the top of the outer wall of the welding frame, a plurality of annular chutes are symmetrically arranged at one end, adjacent to the outer wall of the two pressing sleeves, support rings are arranged inside the annular chutes in a matched mode, the support rings are respectively and fixedly connected with two sides of the outer wall of the welding frame, movable cavities matched with the clamping frame are arranged on the inner wall of the pressing sleeves, the clamping frame comprises a driving frame and a flexible belt, the flexible, a second servo motor is arranged at one end of the outer wall of the driving frame, an output shaft of the second servo motor is connected with one end of the bidirectional screw rod, the two sides of the outer wall of the bidirectional screw rod are symmetrically matched with screw nuts in movable connection, a first support rod in rotary connection is arranged at one side, close to and far away from the movable cavity, of the outer wall of the screw nut, second support rods in rotary connection are symmetrically arranged at two ends of one side, far away from the movable cavity, of the outer wall of the driving frame, the first support rods and the second support rods are rotationally connected with the same first guide frame, the two first support rods are arranged between the two second support rods, a first support roller in rotary connection is arranged at one side, far away from the driving frame, of the first guide frame, a third support rod in rotary connection is arranged at the inner side of the movable cavity, and a fourth support rod in rotary connection is symmetrically arranged at the inner, the third supporting rod and the fourth supporting rod are rotatably connected with the same second guide frame, the two fourth supporting rods are arranged between the two third supporting rods, a second supporting roller which is rotatably connected is arranged on one side, away from the driving frame, of the outer wall of the second guide frame, and the first supporting roller and the second supporting roller are both sleeved on the inner side of the flexible belt.
Furthermore, the outer wall of the welding frame is provided with a supporting plate matched with the second gear, and the supporting plate supports the second gear to ensure that the second gear can normally move.
Furthermore, a cavity matched with the bidirectional screw rod is arranged in the driving frame, a first through groove matched with the first supporting rod is formed in one side, away from the movable cavity, of the outer wall of the driving frame, a second through groove matched with the third supporting rod is formed in the other side of the outer wall of the driving frame, the first through groove and the second through groove are communicated with the cavity, the cavity provides an installation space and a movement space for the bidirectional screw rod and the screw rod nut, the first through groove provides a movement space for the first supporting rod, and the second through groove provides a movement space for the third supporting rod.
Furthermore, the first support rod and the second support rod are movably connected with the first guide frame through a first connecting shaft respectively, and the third support rod and the fourth support rod are movably connected with the second guide frame through a second connecting shaft respectively.
Further, the drive frame outer wall is kept away from activity chamber one side both ends symmetry is equipped with the auxiliary frame, the auxiliary frame bottom is equipped with the supplementary running roller that rotates the connection, drive frame outer wall both ends in activity intracavity lateral symmetry is equipped with the pulley of rotation connection, the drive frame outer wall is kept away from activity chamber one side is equipped with a plurality of spring, the spring is kept away from drive frame one end is equipped with first flexbile ball, first flexbile ball outer wall is kept away from spring one side is equipped with a plurality of second flexbile ball, the second flexbile ball outer wall is kept away from first flexbile ball one side is equipped with a plurality of third flexbile ball, inside the second flexbile ball with the inside spherical chamber that all is equipped with of third flexbile ball.
Furthermore, the outer diameter of the cross section of the auxiliary roller wheel is equal to that of the cross section of the pulley, the outer diameter of the cross section of the auxiliary roller wheel is equal to that of the cross section of the first supporting roller and that of the second supporting roller, the rolling supporting effect on the flexible belt is better, and the movement stability of the flexible belt is guaranteed.
Furthermore, the outer diameters of the second flexible ball and the third flexible ball are equal, the stress of the second flexible ball and the stress of the third flexible ball are more uniform, the outer diameter of the second flexible ball is smaller than one half of the outer diameter of the first flexible ball, the outer diameter of the second flexible ball is larger than one third of the outer diameter of the first flexible ball, so that the multi-point supporting effect of the second flexible ball and the third flexible ball on the outer side of the first flexible ball is better, the stability is improved, the inner diameter of the spherical cavity is equal to one half of the outer diameter of the second flexible ball, and the elastic buffer performance of the second flexible ball and the third flexible ball can be improved on the premise that the supporting strength of the second flexible ball and the third flexible ball is guaranteed.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention starts a second servo motor by arranging a base, a welding frame, a pressing sleeve and a clamping frame, the second servo motor drives a bidirectional screw rod to rotate, the bidirectional screw rod drives two screw rod nuts to simultaneously move towards the middle position of the bidirectional screw rod or simultaneously move towards two ends of the bidirectional screw rod, when the bidirectional screw rod drives two screw rod nuts to move towards the middle of the bidirectional screw rod, the screw rod nuts drive a first supporting rod and a third supporting rod to move towards the middle of the bidirectional screw rod, the connecting end of the second supporting rod and the first supporting rod moves towards the middle of the bidirectional screw rod, so that a first guide frame moves towards the middle position of the bidirectional screw rod, because the two second supporting rods are arranged at the outer sides of the two first supporting rods, the included angle between the first supporting rod and the second supporting rod is enlarged, the first guide frame is drawn towards the driving frame, and the length of a flexible belt positioned, when the third support rod moves to the middle position of the bidirectional screw rod, the connecting end of the fourth support rod and the third support rod moves to the middle position of the bidirectional screw rod, so that the second guide frame moves to the middle position of the bidirectional screw rod, because the two fourth support rods are arranged between the two third support rods, the included angle between the third support rod and the fourth support rod is reduced, the second guide frame is pushed outwards, so that the length of the flexible belt positioned at the inner side of the movable cavity is increased, thereby realizing the expansion of the clamping inner diameter of the flexible belt towards the inner side of the pressing sleeve on the basis of ensuring the safety performance of the flexible belt, realizing the reduction of the clamping inner diameter of the flexible belt towards the inner side of the pressing sleeve in the same way, further realizing the clamping treatment of steel pipes with different outer diameters, being convenient and fast to operate, having good stability, simultaneously performing the pressing treatment of the two steel pipes by the two pressing sleeves, having, convenient operation is swift, after compressing tightly the centre gripping to two steel pipes and aiming at, open first servo motor and laser welder head, first servo motor drives first gear and rotates, first gear and annular rack intermeshing for first gear carries out the annular motion along the annular rack, and then drives the welding frame and carries out the annular motion, the laser welder head carries out the annular motion along with the welding frame, thereby realize carrying out annular welding processing to the steel pipe welding department, convenient operation is swift, work efficiency is higher.
2. According to the invention, the auxiliary frame, the auxiliary roller wheel, the pulley, the spring, the first flexible ball, the second flexible ball, the third flexible ball and the spherical cavity are arranged, the auxiliary roller wheel and the pulley are used for rolling and supporting the flexible belt, so that the flexible belt is prevented from contacting with the outer wall of the driving frame, the safety of the flexible belt in the motion adjusting process is ensured, the service life of the flexible belt is prolonged, the spring and the first flexible ball can realize multi-angle and multi-direction flexible support on the flexible belt, the support effect on the flexible belt is ensured, the steel pipe is better pressed and clamped by the flexible belt, the support points on the outer wall of the steel pipe are increased, the stability of the steel pipe can be effectively enhanced, the second flexible ball and the third flexible ball are in surface contact with the flexible belt, the annular multi-point auxiliary support on the outer side of the first flexible ball can be realized, and the support effect.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a front view of the present invention in its entirety;
FIG. 2 is a front sectional view of the present invention as a whole;
FIG. 3 is an enlarged schematic view at A of FIG. 2 of the present invention;
FIG. 4 is an enlarged schematic view of the invention at B of FIG. 2;
FIG. 5 is an enlarged schematic view of the invention at C of FIG. 2;
FIG. 6 is a front view of the holder of the present invention;
FIG. 7 is a front sectional view of the drive frame of the present invention;
in the figure: 1. a base; 2. welding a frame; 3. compressing the sleeve; 4. a clamping frame; 5. a laser welding head; 6. a first servo motor; 7. an annular rack; 8. a first gear; 9. a second gear; 10. an annular chute; 11. a support ring; 12. a movable cavity; 13. a driving frame; 14. a flexible band; 15. a bidirectional screw rod; 16. a second servo motor; 17. a feed screw nut; 18. a first support bar; 19. a second support bar; 20. a first guide frame; 21. a first support roller; 22. a third support bar; 23. a fourth support bar; 24. a second guide frame; 25. a second support roller; 26. a support plate; 27. a cavity; 28. a first through groove; 29. a second through groove; 30. a first connecting shaft; 31. a second connecting shaft; 32. an auxiliary frame; 33. an auxiliary roller; 34. a pulley; 35. a spring; 36. a first flexible ball; 37. a second flexible ball; 38. a third flexible ball; 39. a spherical cavity.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The concentric steel pipe pressing and welding device shown in fig. 1-7 comprises a base 1 and a welding frame 2, wherein pressing sleeves 3 are symmetrically arranged on two sides of the top of the base 1, the welding frame 2 is movably arranged between the two pressing sleeves 3, a plurality of movably connected clamping frames 4 are symmetrically arranged on the inner wall of each pressing sleeve 3, each clamping frame 4 extends to the inner side of each pressing sleeve 3, a laser welding head 5 is arranged at the bottom of the outer wall of the welding frame 2, a first servo motor 6 is arranged at the top of the outer wall of the welding frame 2, an annular rack 7 is arranged at one end, adjacent to the outer wall of each pressing sleeve 3, a first gear 8 meshed with the annular rack 7 is sleeved on an output shaft of the first servo motor 6, a second gear 9 meshed with the annular rack 7 is arranged on one side, located on the top of the outer wall of the welding frame 2, of the first servo motor 6, a plurality of annular chutes 10 are symmetrically arranged at the adjacent ends of the outer walls of the two compression sleeves 3, support rings 11 are arranged on the inner sides of the annular chutes 10 in a matching manner, the support rings 11 are respectively fixedly connected with the two sides of the outer wall of the welding frame 2, movable cavities 12 matched with the clamping frames 4 are arranged on the inner walls of the compression sleeves 3, each clamping frame 4 comprises a driving frame 13 and a flexible belt 14, each flexible belt 14 is sleeved outside the driving frame 13, a rotary bidirectional screw rod 15 is arranged inside the driving frame 13, a second servo motor 16 is arranged at one end of the outer wall of the driving frame 13, an output shaft of the second servo motor 16 is connected with one end of the bidirectional screw rod 15, movably connected screw nuts 17 are symmetrically arranged on the two sides of the outer wall of the bidirectional screw rod 15 in a matching manner, and a first support rod 18 which is rotatably connected is arranged on one side of, the two ends of the outer wall of the driving frame 13, which are far away from the movable cavity 12, are symmetrically provided with second support rods 19 which are rotatably connected, the first support rods 18 and the second support rods 19 are rotatably connected with a same first guide frame 20, the two first support rods 18 are arranged between the two second support rods 19, one side of the first guide frame 20, which is far away from the driving frame 13, is provided with first support rollers 21 which are rotatably connected, the outer wall of the screw nut 17 is provided with a third support rod 22 which is rotatably connected at the inner side of the movable cavity 12, the outer wall of the driving frame 13 is symmetrically provided with fourth support rods 23 which are rotatably connected inside the movable cavity 12, the third support rods 22 and the fourth support rods 23 are rotatably connected with a same second guide frame 24, the two fourth support rods 23 are arranged between the two third support rods 22, and one side of the outer wall of the second guide frame 24, which is far away from the driving frame 13, is provided with second support rollers 25 which, the first supporting roller 21 and the second supporting roller 25 are sleeved on the inner side of the flexible belt 14.
The outer wall of the welding frame 2 is provided with a supporting plate 26 matched with the second gear 9, and the supporting plate 26 supports the second gear 9 to ensure that the second gear 9 can normally move.
The inside of the carriage 13 be equipped with two-way lead screw 15 assorted cavity 27, the outer wall of carriage 13 is kept away from activity chamber 12 one side be equipped with the first logical groove 28 of first bracing piece 18 assorted, the outer wall opposite side of carriage 13 be equipped with the logical groove 29 of third bracing piece 22 assorted second, first logical groove 28 with the logical groove 29 of second all with cavity 27 link up, and cavity 27 provides installation and motion space for two-way lead screw 15 and screw-nut 17, and first logical groove 28 provides the motion space for first bracing piece 18, and the logical groove 29 of second provides the motion space for third bracing piece 22.
Further, the first support rod 18 and the second support rod 19 are movably connected to the first guide frame 20 through a first connecting shaft 30, and the third support rod 22 and the fourth support rod 23 are movably connected to the second guide frame 24 through a second connecting shaft 31.
The implementation mode is specifically as follows: when the bidirectional screw rod welding machine is used, the base 1 is used for supporting the pressing sleeve 3, the two steel pipes to be welded are respectively inserted into the two pressing sleeves 3 and are contacted with each other, the clamping frame 4 is used for clamping and pressing the steel pipes, the welding frame 2 is used for welding the steel pipes between the two pressing sleeves 3, when the clamping frame 4 is used for clamping and pressing the steel pipes, the first supporting roller 21 and the second supporting roller 25 are used for rolling and supporting the flexible belt 14, the stability of the movement of the flexible belt 14 is ensured, the second servo motor 16 is started, the second servo motor 16 drives the bidirectional screw rod 15 to rotate, the bidirectional screw rod 15 drives the two screw rod nuts 17 to simultaneously move to the middle position of the bidirectional screw rod 15 or simultaneously move to two ends of the bidirectional screw rod 15, when the bidirectional screw rod 15 drives the two screw rod nuts 17 to move to the middle of the bidirectional screw rod 15, the screw nut 17 drives the first support rod 18 and the third support rod 22 to move towards the middle of the bidirectional screw 15, when the first support rod 18 moves towards the middle of the bidirectional screw 15, the connecting end of the second support rod 19 and the first support rod 18 moves towards the middle of the bidirectional screw 15, so that the first guide frame 20 moves towards the middle position of the bidirectional screw 15, because the two second support rods 19 are arranged at the outer sides of the two first support rods 18, the included angle between the first support rod 18 and the second support rod 19 is enlarged, the first guide frame 20 is drawn towards the driving frame 13, the length of the flexible belt 14 at the inner side of the pressing sleeve 3 is reduced, when the third support rod 22 moves towards the middle position of the bidirectional screw 15, the connecting end of the fourth support rod 23 and the third support rod 22 moves towards the middle position of the bidirectional screw 15, so that the second guide frame 24 moves towards the middle position of the bidirectional screw 15, because the two fourth support rods 23 are arranged between the two third support rods, the included angle between the third support rod 22 and the fourth support rod 23 is reduced, and the second guide frame 24 is pushed outwards, so that the length of the flexible belt 14 positioned on the inner side of the movable cavity 12 is increased, and the clamping inner diameter of the flexible belt 14 towards the inner side of the compression sleeve 3 is enlarged on the basis of ensuring the safety performance of the flexible belt 14; when the two-way screw rod 15 drives the two screw rod nuts 17 to move towards the two ends of the two-way screw rod 15, the screw rod nuts 17 drive the first support rod 18 and the third support rod 22 to move towards the two ends of the two-way screw rod 15, when the first support rod 18 moves towards the two ends of the two-way screw rod 15, the connecting end of the second support rod 19 and the first support rod 18 moves towards the two ends of the two-way screw rod 15, so that the first guide frame 20 moves towards the two ends of the two-way screw rod 15, because the two second support rods 19 are arranged at the outer sides of the two first support rods 18, the included angle between the first support rod 18 and the second support rod 19 is reduced, so that the first guide frame 20 moves towards the side far away from the driving frame 13, the length of the flexible belt 14 at the inner side of the pressing sleeve 3 is increased, when the third support rod 22 moves towards the two ends of the two-way screw rod 15, the connecting end of the fourth support rod 23 and, because the two fourth support rods 23 are arranged between the two third support rods 22, the included angle between the third support rods 22 and the fourth support rods 23 is increased, the second guide frame 24 is folded inwards, so that the length of the flexible belt 14 positioned on the inner side of the movable cavity 12 is shortened, the clamping inner diameter of the flexible belt 14 towards the inner side of the pressing sleeve 3 is reduced on the basis of ensuring the safety performance of the flexible belt 14, and further steel pipes with different outer diameters are clamped, the operation is convenient and rapid, the stability is good, the two pressing sleeves 3 simultaneously press the two steel pipes, the clamping precision is higher, the steel pipe welding type setting effect is better, the operation is convenient and rapid, after the two steel pipes are pressed, clamped and aligned, the first servo motor 6 and the laser welding head 5 are started, the first servo motor 6 drives the first gear 8 to rotate, and the first gear 8 is meshed with the annular rack 7, make first gear 8 carry out the annular motion along annular rack 7, and then drive weld holder 2 and carry out the annular motion, second gear 9 carries out the annular motion along with weld holder 2, second gear 9 and annular rack 7 intermeshing, can carry out auxiliary stay to weld holder 2, strengthen weld holder 2's stability, weld holder 2 drives support ring 11 and moves simultaneously, support ring 11 carries out the annular motion along annular spout 10, further strengthen weld holder 2's stability, laser welder head 5 carries out the annular motion along with weld holder 2, thereby realize carrying out annular welding processing to the steel pipe welding department, and convenient operation is swift, and work efficiency is higher.
The concentric steel pipe pressing and welding device shown in fig. 2 and fig. 5-7 further comprises auxiliary frames 32 symmetrically arranged at two ends of the outer wall of the driving frame 13 far away from one side of the movable cavity 12, the bottom of the auxiliary frame 32 is provided with an auxiliary roller 33 which is rotationally connected, two ends of the outer wall of the driving frame 13 are symmetrically provided with pulleys 34 which are rotationally connected at the inner side of the movable cavity 12, a plurality of springs 35 are arranged on one side of the outer wall of the driving frame 13, which is far away from the movable cavity 12, a first flexible ball 36 is arranged at one end of each spring 35, which is far away from the driving frame 13, a plurality of second flexible balls 37 are arranged on the outer wall of the first flexible ball 36 far away from the spring 35, a plurality of third flexible balls 38 are arranged on the outer wall of the second flexible ball 37 far away from the first flexible ball 36, a spherical cavity 39 is arranged inside the second flexible ball 37 and inside the third flexible ball 38.
The outer diameter of the cross section of the auxiliary roller wheel 33 is equal to that of the cross section of the pulley 34, the outer diameter of the cross section of the auxiliary roller wheel 33 is equal to that of the cross section of the first supporting roller 21 and that of the second supporting roller 25, the rolling supporting effect on the flexible belt 14 is better, and the movement stability of the flexible belt 14 is guaranteed.
The outer diameters of the second flexible ball 37 and the third flexible ball 38 are equal, the stress of the second flexible ball 37 and the third flexible ball 38 is more uniform, the outer diameter of the second flexible ball 37 is smaller than one half of the outer diameter of the first flexible ball 36, and the outer diameter of the second flexible ball 37 is larger than one third of the outer diameter of the first flexible ball 36, so that the second flexible ball 37 and the third flexible ball 38 can be better supported at multiple points outside the first flexible ball 36, the stability is improved, the inner diameter of the spherical cavity 39 is equal to one half of the outer diameter of the second flexible ball 37, and the elastic buffer performance of the second flexible ball 37 and the third flexible ball 38 can be improved on the premise of ensuring the support strength of the second flexible ball 37 and the third flexible ball 38.
The implementation mode is specifically as follows: when the flexible belt supporting device is used, the auxiliary frame 32, the auxiliary roller 33, the pulley 34, the spring 35, the first flexible ball 36, the second flexible ball 37, the third flexible ball 38 and the spherical cavity 39 are arranged, the auxiliary frame 32 supports the auxiliary roller 33, the auxiliary roller 33 and the pulley 34 support the flexible belt 14 in a rolling manner, the flexible belt 14 can be prevented from contacting with the outer wall of the driving frame 13, the safety of the flexible belt 14 in the movement adjusting process is ensured, the service life of the flexible belt 14 is prolonged, when the clamping inner diameter of the flexible belt 14 on the inner side of the pressing sleeve 3 is reduced, the spring 35 rebounds, the spring 35 pushes the first flexible ball 36 outwards, the first flexible ball 36 is in surface contact with the flexible belt 14, when the clamping inner diameter of the flexible belt 14 on the inner side of the pressing sleeve 3 is enlarged, the spring 35 is compressed, the flexible belt 14 presses the first flexible ball 36 inwards, the first flexible ball 36 is in surface contact with the flexible belt 14, and multi-angle flexible support of the flexible belt 14 can be realized, guarantee the supporting effect to flexible belt 14 for flexible belt 14 is better to the centre gripping processing that compresses tightly of steel pipe, the strong point to the steel pipe outer wall increases, can effectively strengthen the stability of steel pipe, when first flexible ball 36 and flexible belt 14 surface contact, second flexible ball 37 and third flexible ball 38 and flexible belt 14 surface contact, can realize carrying out annular multiple spot auxiliary stay to the first flexible ball 36 outside, further strengthen the supporting effect to flexible belt 14, the elastic cushioning deformation performance of second flexible ball 37 and third flexible ball 38 can be strengthened to spherical chamber 39, avoid flexible ball to cause the damage to flexible belt 14.
The working principle of the invention is as follows:
referring to the attached drawings 1-7 of the specification, by arranging the base 1, the welding frame 2, the compression sleeves 3 and the clamping frame 4, the steel pipes with different outer diameters can be clamped, the operation is convenient and quick, the stability is good, the two compression sleeves 3 simultaneously compress the two steel pipes, the clamping precision is higher, the steel pipe welding type alignment effect is better, the annular welding processing of the welded part of the steel pipes can be realized, the operation is convenient and quick, and the working efficiency is higher;
referring to the attached drawings 2 and 5-7 of the specification, by arranging the auxiliary frame 32, the auxiliary roller 33, the pulley 34, the spring 35, the first flexible ball 36, the second flexible ball 37, the third flexible ball 38 and the spherical cavity 39, the contact between the flexible belt 14 and the outer wall of the driving frame 13 can be avoided, the safety of the flexible belt 14 in the motion adjusting process is ensured, the service life of the flexible belt 14 is prolonged, multi-angle multi-azimuth flexible support on the flexible belt 14 can be realized, the stability of a steel pipe can be effectively enhanced, annular multi-point auxiliary support on the outer side of the first flexible ball 36 can be realized, and the supporting effect on the flexible belt 14 is further enhanced.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a steel pipe compresses tightly welding set with one heart, includes base (1) and welding stand (2), its characterized in that: the base (1) top bilateral symmetry is equipped with compression sleeve (3), welding frame (2) activity is located two between compression sleeve (3), compression sleeve (3) inner wall symmetry is equipped with a plurality of swing joint's holding frame (4), holding frame (4) extend to compression sleeve (3) are inboard.
2. The concentric pressing and welding device for the steel pipes as claimed in claim 1, wherein: the welding rack is characterized in that a laser welding head (5) is arranged at the bottom of the outer wall of the welding rack (2), a first servo motor (6) is arranged at the top of the outer wall of the welding rack (2), annular racks (7) are arranged at the adjacent ends of the outer walls of the two pressing sleeves (3), a first gear (8) meshed with the annular racks (7) is sleeved on an output shaft of the first servo motor (6), a second gear (9) meshed with the annular racks (7) is arranged at the top of the outer wall of the welding rack (2) on one side of the first servo motor (6), a plurality of annular chutes (10) are symmetrically arranged at the adjacent ends of the outer walls of the two pressing sleeves (3), support rings (11) are arranged on the inner sides of the annular chutes (10) in a matched mode, the support rings (11) are respectively fixedly connected with the two sides of the outer wall of the welding rack (2), movable cavities (12) matched with the clamping rack (, the clamping frame (4) comprises a driving frame (13) and a flexible belt (14), the driving frame (13) is arranged at the outer side of the flexible belt (14), a rotating bidirectional screw rod (15) is arranged inside the driving frame (13), a second servo motor (16) is arranged at one end of the outer wall of the driving frame (13), an output shaft of the second servo motor (16) is connected with one end of the bidirectional screw rod (15), a movably connected screw nut (17) is symmetrically arranged at two sides of the outer wall of the bidirectional screw rod (15) in a matching manner, a first support rod (18) which is rotatably connected is arranged at one side of the movable cavity (12) and close to and far away from the outer wall of the screw nut (17), a second support rod (19) which is rotatably connected is symmetrically arranged at two ends of one side of the movable cavity (12) and far away from the outer wall of the driving frame (13), the first support rod (18) and the second support rod (19) are rotatably connected with the same, the two first supporting rods (18) are arranged between the two second supporting rods (19), a first supporting roller (21) which is rotatably connected is arranged on one side of the first guide frame (20) far away from the driving frame (13), a third support rod (22) which is rotatably connected is arranged on the outer wall of the feed screw nut (17) at the inner side of the movable cavity (12), the outer wall of the driving frame (13) is symmetrically provided with fourth supporting rods (23) which are rotatably connected in the movable cavity (12), the third support rods (22) and the fourth support rods (23) are rotatably connected with the same second guide frame (24), the two fourth support rods (23) are arranged between the two third support rods (22), a second supporting roller (25) which is rotatably connected is arranged on one side of the outer wall of the second guide frame (24) far away from the driving frame (13), the first supporting roller (21) and the second supporting roller (25) are sleeved on the inner side of the flexible belt (14).
3. The concentric pressing and welding device for the steel pipes as claimed in claim 2, wherein: and a supporting plate (26) matched with the second gear (9) is arranged on the outer wall of the welding frame (2).
4. The concentric pressing and welding device for the steel pipes as claimed in claim 2, wherein: and a cavity (27) matched with the bidirectional screw rod (15) is arranged in the driving frame (13).
5. The concentric pressing and welding device for the steel pipes as claimed in claim 4, wherein: drive frame (13) outer wall is kept away from activity chamber (12) one side be equipped with first bracing piece (18) assorted first logical groove (28), drive frame (13) outer wall opposite side be equipped with third bracing piece (22) assorted second leads to groove (29), first lead to groove (28) with the second lead to groove (29) all with cavity (27) link up.
6. The concentric pressing and welding device for the steel pipes as claimed in claim 2, wherein: the first support rod (18) and the second support rod (19) are movably connected with the first guide frame (20) through a first connecting shaft (30) respectively, and the third support rod (22) and the fourth support rod (23) are movably connected with the second guide frame (24) through a second connecting shaft (31) respectively.
7. The concentric pressing and welding device for the steel pipes as claimed in claim 2, wherein: auxiliary frames (32) are symmetrically arranged at two ends of one side of the outer wall of the driving frame (13) far away from the movable cavity (12), the bottom of the auxiliary frame (32) is provided with an auxiliary roller (33) which is rotationally connected, two ends of the outer wall of the driving frame (13) are symmetrically provided with pulleys (34) which are rotationally connected at the inner side of the movable cavity (12), a plurality of springs (35) are arranged on one side of the outer wall of the driving frame (13) far away from the movable cavity (12), one end of the spring (35) far away from the driving frame (13) is provided with a first flexible ball (36), a plurality of second flexible balls (37) are arranged on one side of the outer wall of the first flexible ball (36) far away from the spring (35), a plurality of third flexible balls (38) are arranged on one side of the outer wall of the second flexible ball (37) far away from the first flexible ball (36), a spherical cavity (39) is arranged inside the second flexible ball (37) and inside the third flexible ball (38).
8. The concentric pressing and welding device for the steel pipes as claimed in claim 7, wherein: the cross section external diameter of auxiliary roller wheel (33) with the cross section external diameter of pulley (34) equals, auxiliary roller wheel (33) with the cross section external diameter of first backup roller (21) with second backup roller (25) equals.
9. The concentric pressing and welding device for the steel pipes as claimed in claim 7, wherein: the outer diameters of the second flexible ball (37) and the third flexible ball (38) are equal, the outer diameter of the second flexible ball (37) is less than one-half of the outer diameter of the first flexible ball (36), and the outer diameter of the second flexible ball (37) is greater than one-third of the outer diameter of the first flexible ball (36).
10. The concentric pressing and welding device for the steel pipes as claimed in claim 9, wherein: the inner diameter of the spherical cavity (39) is equal to one half of the outer diameter of the second flexible ball (37).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110214632.8A CN113001094A (en) | 2021-02-25 | 2021-02-25 | Steel pipe concentric pressing and welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110214632.8A CN113001094A (en) | 2021-02-25 | 2021-02-25 | Steel pipe concentric pressing and welding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113001094A true CN113001094A (en) | 2021-06-22 |
Family
ID=76386054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110214632.8A Withdrawn CN113001094A (en) | 2021-02-25 | 2021-02-25 | Steel pipe concentric pressing and welding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113001094A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115229428A (en) * | 2022-08-10 | 2022-10-25 | 青岛北船管业有限责任公司 | Automatic welding equipment is used in production of pipe for boats and ships suitable for irregular cambered surface |
| CN115338571A (en) * | 2022-08-22 | 2022-11-15 | 浙江大地钢结构有限公司 | Steel structure welding equipment and method |
| CN117206797A (en) * | 2023-10-24 | 2023-12-12 | 江苏金穗能源设备制造有限公司 | Automatic welding device with thermal deformation control function for GIS shell |
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| CN108599476A (en) * | 2018-06-21 | 2018-09-28 | 许昌市大力电机制造有限公司 | A kind of motor bearings press-loading device that stability is good |
| CN109702402A (en) * | 2019-03-07 | 2019-05-03 | 江苏省特种设备安全监督检验研究院 | A kind of device and technique carrying out pipeline welding using intermediate casing |
| CN111604623A (en) * | 2020-05-27 | 2020-09-01 | 张凯 | Electric welding machine system with built-in welding fume harmless treatment mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4956300A (en) * | 1972-05-30 | 1974-05-31 | ||
| CN107159529A (en) * | 2017-07-24 | 2017-09-15 | 佛山市正略信息科技有限公司 | A kind of LED dispensing machine worktables for being easy to fix workpiece |
| CN108599476A (en) * | 2018-06-21 | 2018-09-28 | 许昌市大力电机制造有限公司 | A kind of motor bearings press-loading device that stability is good |
| CN109702402A (en) * | 2019-03-07 | 2019-05-03 | 江苏省特种设备安全监督检验研究院 | A kind of device and technique carrying out pipeline welding using intermediate casing |
| CN111604623A (en) * | 2020-05-27 | 2020-09-01 | 张凯 | Electric welding machine system with built-in welding fume harmless treatment mechanism |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115229428A (en) * | 2022-08-10 | 2022-10-25 | 青岛北船管业有限责任公司 | Automatic welding equipment is used in production of pipe for boats and ships suitable for irregular cambered surface |
| CN115338571A (en) * | 2022-08-22 | 2022-11-15 | 浙江大地钢结构有限公司 | Steel structure welding equipment and method |
| CN115338571B (en) * | 2022-08-22 | 2024-03-08 | 浙江大地钢结构有限公司 | Steel structure welding equipment and method |
| CN117206797A (en) * | 2023-10-24 | 2023-12-12 | 江苏金穗能源设备制造有限公司 | Automatic welding device with thermal deformation control function for GIS shell |
| CN117206797B (en) * | 2023-10-24 | 2024-04-02 | 江苏金穗能源设备制造有限公司 | Automatic welding device with thermal deformation control function for GIS shell |
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Application publication date: 20210622 |