CN114749777A - Welding construction method and welding construction equipment - Google Patents
Welding construction method and welding construction equipment Download PDFInfo
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- CN114749777A CN114749777A CN202210271545.0A CN202210271545A CN114749777A CN 114749777 A CN114749777 A CN 114749777A CN 202210271545 A CN202210271545 A CN 202210271545A CN 114749777 A CN114749777 A CN 114749777A
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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
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
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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
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
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Abstract
The invention discloses a welding construction method and welding construction equipment, belonging to the technical field of welding construction, and comprising the following steps: step one, setting parameters of a welding machine: and setting required welding construction parameters, basic value welding current of pulse welding current, peak value welding current, duty ratio of the pulse welding current, pulse frequency and other parameters according to the thickness of the test piece and the size of the groove. The invention adopts the positioning mechanism, the distance is also kept to be a normal numerical value, thus the butt joint operation can be more accurately and efficiently completed when two workpieces are installed and butted, the gapless welding assembly can be realized, the assembly deviation welding penetration such as the misalignment, the edge angle, the straightness and the like generated by the need of carrying out gap control in the assembly process can be avoided to be as small as possible, the content of carbon and iron in the base material in the welding pool of the transition layer is controlled, the welding effect is better, and the stability is higher.
Description
Technical Field
The invention relates to the technical field of welding construction, in particular to a welding construction method and welding construction equipment.
Background
The main difficulty in the manufacture of composite plate containers is welding assembly, base welding and composite layer welding. The general welding of basic unit adopts shielded metal arc welding, need leave the assembly clearance of certain size during the assembly to guarantee to weld thoroughly, and the blunt edge size is difficult too big moreover, in the actual composite sheet container preparation assembly construction process, and difficult control needs special anchor clamps to accomplish, and the engineering time is longer.
According to the experience of similar projects in the past, a welding construction technology is researched and developed, and the submerged-arc welding and deep fusion welding technology for the base layer of the gapless butt joint of the composite plate is adopted for construction, so that the assembly and welding construction difficulty of the composite plate container is greatly reduced, and the control of quality, safety, construction period, construction cost and the like is facilitated.
Disclosure of Invention
Therefore, the invention provides a welding construction method and welding construction equipment, the positioning mechanism is adopted, the butt joint operation can be completed more accurately and efficiently when two workpieces are installed and butted, the gapless welding assembly is realized, the assembly deviation such as the misalignment, the edge angle, the straightness and the like generated by the need of gap control in the assembly process can be avoided, the welding penetration is as small as possible, the content of carbon and iron in the base material in the welding pool of the transition layer is controlled, the welding effect is better, and the technical problems in the prior art are solved.
In order to achieve the above purpose, the invention provides the following technical scheme: a welding construction method comprises the following steps:
step one, setting parameters of a welding machine: setting required welding construction parameters, parameters such as base value welding current of pulse welding current, peak value welding current, duty ratio of pulse welding current, pulse frequency and the like, and argon flow according to the thickness of the test piece and the size of the groove;
Step two, groove preparation: the bevel angle of the base layer is 70 degrees, the bevel depth is 6mm, the truncated edge is 5mm, the bevel angle of the composite layer side is 90 degrees, and burrs at the root part of the bevel are removed after processing;
thirdly, positioning and fixing the two welding workpieces by using welding construction equipment according to a schematic diagram without a gap, performing base layer submerged arc welding, backing welding, welding current of 610A-620A, arc voltage of 31V-33V and welding speed of 57cm/min, filling cover surface welding by base layer submerged arc welding, welding current of 630A-640A, arc voltage of 33V-35V and welding speed of 45 cm/min;
step four, welding a welding rod E309 in a transition mode, wherein the diameter of the welding rod is 2.5mm, the welding is carried out twice, welding parameters, the diameter of the welding rod is 2.5mm, the welding current is 70-90A, the voltage is 22-25V, a welding pool is not too large during transition welding, and the surface of a welding seam after welding forms a flat and concave surface as much as possible and is higher than base layer filling and cover surface welding;
fifthly, filling and capping welding rod E308 with the diameter of 2.5mm, welding twice, wherein the welding current is 70-90A, the voltage is 22-25V, the welding specification is not too large during filling welding, and the thickness of a formed welding seam is controlled to be about 2 mm;
in the second step of the method, the welding construction equipment comprises a concave placing frame, wherein a guide support frame is arranged on the inner wall of the concave placing frame, and a positioning mechanism is arranged in the guide support frame;
Positioning mechanism is including setting up the two-way drive screw in the inside guide bracket frame, and two-way drive screw outer wall connection has first removal ring piece, first removal ring piece one side is installed the second and is removed the ring piece, two-way drive screw one end is installed and is used for driven servo drive motor, first removal ring piece and second remove ring piece below and all be connected with connecting branch, the department welding has the installation deckle board in connecting branch bottom position, install the angle locating piece between two installation deckle boards, be connected with the spacer block in last angle locating piece bottom, the welding of spacer block bottom has the angle locating piece down.
Furthermore, the included angle formed between the inclined planes on the two sides of the upper angle positioning block is seventy degrees, and the inclined planes on the two sides of the lower angle positioning block are ninety degrees.
Furthermore, the external threads at the two ends of the bidirectional transmission screw are opposite and symmetrically arranged, and the threads on the inner walls of the first movable ring block and the second movable ring block are opposite.
Furthermore, fixing bolts are embedded into one sides of the two installation frame plates, and the fixing bolts are connected with the installation frame plates in a threaded mode.
Further, the concave placing frames are provided with two bottom ends which are provided with supporting bases, a plurality of embedding cones are arranged at the bottom ends of the supporting bases, one sides of the embedding cones are connected with friction embedding strips, and the cross section area of the bottom ends of the friction embedding strips is smaller than that of the top ends of the friction embedding strips.
Furthermore, a shifting-out mechanism is installed at the top end of the upper angle positioning block, the shifting-out mechanism comprises a sleeve connection ring block arranged at the top end of the upper angle positioning block, a supporting shaft is connected inside the sleeve connection ring block, a linkage supporting plate is installed above the sleeve connection ring block, the top end of the linkage supporting plate is connected with an angle rotating ring, a positioning supporting shaft is installed on the inner wall of the angle rotating ring, a connection concave block is arranged above the positioning supporting shaft, one side of the linkage supporting plate is connected with a linkage rotating block, a linkage supporting rod is movably connected inside the linkage rotating block, one end of the linkage supporting rod is connected with an arc-shaped toothed plate, a transmission toothed ring is meshed with the outer walls of the two arc-shaped toothed plates, and a driving motor used for coaxial transmission connection is installed at one end of the transmission toothed ring.
Furthermore, the angle rotating ring is movably connected to the outer wall of the positioning support shaft, and the support shaft is integrally formed inside the sleeve ring block through die casting.
Furthermore, the linkage rotating block is movably connected outside the linkage supporting rod, and the arc-shaped toothed plate and the transmission toothed ring are in meshing transmission.
Further, the installation deckle board top is run through to install and is rotated the screw rod, it is equipped with the spacing axle collar to rotate the screw rod and be close to the outside cover in bottom, and spacing axle collar bottom is connected with the go-between, go-between below fixedly connected with sliding block, sliding block inner wall sliding connection has first guide branch, the outside sliding connection of sliding block has a frame that slides, and install a plurality of spacing annulars in a frame below that slides, every spacing annulars is inside all to install the ball, first guide branch is outside and be located to rotate screw rod one side and be provided with second guide branch, second guide branch is outside and be located installation deckle board top position department and install solid fixed ring.
Furthermore, the rotating screw rod is in threaded connection with the installation frame plate, and the top end of the rotating screw rod is connected with a rotating cap with a hexagonal cross section.
The invention has the following advantages:
1. the invention adopts a positioning mechanism to rotate a fixed bolt so as to extrude a workpiece clamped in the groove of an installation frame plate under the action of threads, a servo drive motor is started to drive a bidirectional transmission screw to rotate forwards, a first movable ring block moves rightwards under the action of the threads, a second movable ring block realizes the action of moving leftwards under the action of the threads, the screw is rotated to drive a limiting collar and a connecting ring to move, a connecting support rod drives the installation frame plate to move rightwards, so that the two workpieces are driven to be opened for extrusion, an included angle formed by two inclined planes of an upper angle positioning block is seventy degrees, the middle part is spaced by a spacing block, meanwhile, the inclined planes on two sides of a lower angle positioning block are ninety degrees, the upper included angle and the lower included angle at the position between the two workpieces are kept in standard welding degrees, and the spacing also is kept in a normal numerical value, so that the butt joint operation of the two workpieces can be quickly completed more accurately and efficiently during installation and butt joint, in addition, the assembly is carried out in a gapless welding way, the assembly deviation of misalignment, edge angle, straightness and the like caused by clearance control in the assembly process can be avoided, the welding penetration is as small as possible, the content of carbon and iron in the base material in the welding pool of the transition layer is controlled, the welding effect is better, and the stability is higher;
2. According to the invention, the shifting-out mechanism is adopted to start the driving motor to drive the transmission toothed ring to rotate, the transmission toothed ring drives the arc toothed plate to rotate anticlockwise, the linkage supporting rod enables the linkage rotating block to move upwards, the linkage supporting plate drives the angle rotating ring to rotate outside the positioning supporting shaft, and the sleeving ring block can drive the upper angle positioning block to rotate, so that the upper angle positioning block can be removed from between two workpieces, the upper angle positioning block can realize that the two workpieces are positioned and fixed and generate a certain gap, therefore, the upper angle positioning block can be quickly taken out after positioning, and the workpiece can not be greatly shaken, so that the gap between the two workpieces can be conveniently welded at the later stage, and the welding is convenient;
3. the rotary screw rod is adopted to rotate inside the limit shaft collar, the limit shaft collar drives the connecting ring to enable the sliding block to move upwards, the first guide support rod drives the second guide support rod to move upwards, the fixing ring can be fixedly connected to the second guide support rod, the sliding support frame can play a role in upwards moving and fixing the bottom of a workpiece, the sliding block drives the sliding support frame to move when moving, the balls roll inside the limit support ring, friction at the bottom of the workpiece is reduced, and the workpiece is moved more labor-saving;
To sum up, through the mutual influence of above-mentioned a plurality of effects, can realize two work pieces more accurate and efficient completion butt joint operation when the installation is docked fast, and zero clearance welding assembly, can avoid carrying out the wrong limit volume that clearance control produced because of needs in the assembling process, the edges and corners angle, assembly deviation welding penetration such as straightness is as little as possible, the welding effect is better, stability is higher, can take out the upper angle locating piece fast after the location, and can not cause the work piece to shake by a wide margin, make things convenient for the later stage to carry out welding operation to the gap between two work pieces like this, can play the fixed effect of shifting up to work piece bottom position department, and the sliding block drives the slip braced frame and removes when removing, can improve welding construction's high efficiency in comprehensive, and high fastness.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary and that other implementation drawings may be derived from the provided drawings by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic bottom perspective view of the present invention;
FIG. 3 is a schematic view of the structure of the joint between the linkage support plate and the angular rotation ring according to the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 3 according to the present invention;
FIG. 5 is a schematic view of the structure of the connection between the rotating screw and the rotating cap according to the present invention;
FIG. 6 is an enlarged view of the structure of FIG. 5B according to the present invention;
in the figure: 1. a concave placement frame; 2. a guide support frame; 3. a bidirectional drive screw; 4. a first moving ring block; 5. a second moving ring block; 6. a servo drive motor; 7. connecting a support rod; 8. installing a frame plate; 9. an upper angle positioning block; 10. a spacer block; 11. a lower angle positioning block; 12. a support base; 13. embedding a cone; 14. rubbing the embedded strip; 15. sleeving a ring block; 16. a support shaft; 17. a linkage support plate; 18. an angle rotating ring; 19. positioning a support shaft; 20. connecting the concave blocks; 21. linkage rotating blocks; 22. a linkage strut; 23. an arc toothed plate; 24. a transmission gear ring; 25. a drive motor; 26. fixing the bolt; 27. rotating the screw; 28. rotating the cap; 29. a limit collar; 30. a connecting ring; 31. a slider; 32. a first guide strut; 33. sliding the support frame; 34. a limiting support ring; 35. a ball bearing; 36. a second guide strut; 37. and (4) fixing the ring.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
A method of welding construction substantially as herein described with reference to figures 1 to 6 of the accompanying drawings, comprising the steps of:
step one, setting parameters of a welding machine: setting required welding construction parameters, parameters such as base value welding current of pulse welding current, peak value welding current, duty ratio of pulse welding current, pulse frequency and the like, and argon flow according to the thickness of the test piece and the size of the groove;
step two, groove preparation: the bevel angle of the base layer is 70 degrees, the bevel depth is 6mm, the truncated edge is 5mm, the bevel angle of the composite layer side is 90 degrees, and burrs at the root part of the bevel are removed after processing;
thirdly, positioning and fixing the two welding workpieces by using welding construction equipment according to a schematic diagram without a gap, performing base layer submerged arc welding, backing welding, welding current of 610A-620A, arc voltage of 31V-33V and welding speed of 57cm/min, filling cover surface welding by base layer submerged arc welding, welding current of 630A-640A, arc voltage of 33V-35V and welding speed of 45 cm/min;
Step four, welding a welding rod E309 in a transition mode, wherein the diameter of the welding rod is 2.5mm, the welding is carried out twice, welding parameters are set, the diameter of the welding rod is 2.5mm, the welding current is 70-90A, the voltage is 22-25V, a welding pool is not too large during transition welding, and the surface of a welding seam after welding forms a plane-concave surface as much as possible and is higher than base layer filling and cover surface welding;
filling and capping welding electrode E308 with the diameter of 2.5mm, welding twice with welding current of 70-90A and voltage of 22-25V, wherein during filling welding, the welding specification is not too large, and the thickness of the formed welding seam is controlled to be about 2 mm;
in the second step of the method, the welding construction equipment comprises a concave placing frame 1, wherein a guide support frame 2 is arranged on the inner wall of the concave placing frame 1, and a positioning mechanism is arranged inside the guide support frame 2;
positioning mechanism is including setting up two-way drive screw 3 in 2 insides of guide bracket frame, and 3 outer wall connections of two-way drive screw have first removal ring piece 4, second removal ring piece 5 is installed to first removal ring piece 4 one side, 3 one end of two-way drive screw are installed and are used for driven servo drive motor 6, first removal ring piece 4 and second removal ring piece 5 below all are connected with connecting branch 7, there is installation deckle board 8 connecting 7 bottom position department welding, install angle locating piece 9 between two installation deckle boards 8, be connected with spacer 10 in last angle locating piece 9 bottom, the welding of spacer 10 bottom has angle locating piece 11 down.
In some embodiments, as shown in FIGS. 1-3, the angle formed between the inclined surfaces of the upper angled locating block 9 is seventy degrees and the inclined surfaces of the lower angled locating block 11 are ninety degrees.
In some embodiments, as shown in fig. 2, the external threads of the two ends of the bidirectional transmission screw 3 are opposite and symmetrically arranged, the threads of the inner walls of the first movable ring block 4 and the second movable ring block 5 are opposite, so that the servo drive motor 6 is started to drive the bidirectional transmission screw 3 to rotate forward, the bidirectional transmission screw 3 drives the first movable ring block 4 to move to the right under the action of the threads, and the second movable ring block 5 moves to the left under the action of the threads.
In some embodiments, as shown in fig. 5, the fixing bolts 26 are embedded in one side of both of the mounting frames 8, and the fixing bolts 26 are threadedly connected with the mounting frames 8, so that the fixing bolts 26 are rotated to press the workpiece clamped in the grooves of the mounting frames 8.
In some embodiments, as shown in fig. 1-2, the concave placement frame 1 is installed with a support base 12 at both bottom ends, a plurality of embedding cones 13 are installed at the bottom ends of the support base 12, a friction embedding strip 14 is connected to one side of the embedding cones 13, and the cross-sectional area of the bottom end of the friction embedding strip 14 is smaller than that of the top end thereof, so that the plurality of embedding cones 13 at the bottom end of the support base 12 are embedded into the ground, and the friction embedding strip 14 can increase the friction force.
In some embodiments, as shown in fig. 3-4, a moving-out mechanism is installed on the top end of the upper angle positioning block 9, the moving-out mechanism includes a sleeve ring block 15 installed on the top end of the upper angle positioning block 9, a supporting shaft 16 is connected inside the sleeve ring block 15, a linkage supporting plate 17 is installed above the sleeve ring block 15, an angle rotating ring 18 is connected on the top end of the linkage supporting plate 17, a positioning supporting shaft 19 is installed on the inner wall of the angle rotating ring 18, a connecting concave block 20 is arranged above the positioning supporting shaft 19, a linkage rotating block 21 is connected on one side of the linkage supporting plate 17, a linkage supporting rod 22 is movably connected inside the linkage rotating block 21, an arc-shaped toothed plate 23 is connected to one end of the linkage supporting rod 22, a transmission toothed ring 24 is engaged with the outer wall of the two arc-shaped toothed plates 23, a driving motor 25 for coaxial transmission connection is installed at one end of the transmission toothed ring 24, the angle rotating ring 18 is movably connected on the outer wall of the positioning supporting shaft 19, the supporting shaft 16 is integrally formed in the sleeving ring block 15 by die casting, the linkage rotating block 21 is movably connected outside the linkage supporting rod 22, and the arc toothed plate 23 and the transmission toothed ring 24 are in meshing transmission;
so, start driving motor 25 and drive transmission ring gear 24 and rotate, curved toothed plate 23 carries out anticlockwise rotation, linkage turning block 21 upwards removes, linkage branch rod 22 drives linkage extension board 17 and carries out anticlockwise rotation, angle swivel 18 rotates outside location back shaft 19, location back shaft 19 plays the effect of support, linkage extension board 17 can drive back shaft 16 and make and cup joint ring piece 15 upwards rotate, cup joint ring piece 15 can drive upper angle locating piece 9 and rotate, upper angle locating piece 9 can be rejected from between two work pieces, realize that two work pieces fix a position and finish and produce certain space.
In some embodiments, as shown in fig. 5-6, a rotating screw 27 is mounted through the top of the mounting frame plate 8, a limit collar 29 is sleeved outside the rotating screw 27 close to the bottom end, the bottom end of the limit collar 29 is connected with a connecting ring 30, a sliding block 31 is fixedly connected below the connecting ring 30, the inner wall of the sliding block 31 is slidably connected with a first guide support rod 32, the outer part of the sliding block 31 is slidably connected with a sliding support frame 33, a plurality of limiting support rings 34 are arranged below the sliding support frame 33, a ball 35 is arranged inside each limiting support ring 34, a second guide support rod 36 is arranged outside the first guide support rod 32 and on one side of the rotating screw 27, a fixing ring 37 is arranged outside the second guide support rod 36 and above the mounting frame plate 8, the rotating screw 27 is in threaded connection with the mounting frame plate 8, and the top end of the rotating screw 27 is connected with a rotating cap 28 with a hexagonal cross section;
therefore, the rotating cap 28 drives the rotating screw 27 to rotate forward, that is, the rotating screw 27 can rotate inside the limit shaft collar 29, the connecting ring 30 of the limit shaft collar 29 drives the sliding block 31 to move upwards, the sliding block 31 drives the first guide support rod 32 to enable the sliding support frame 33 to start to move upwards, the limit support ring 34 enables the balls 35 to move upwards, and the second guide support rod 36 moves upwards, so that the sliding support frame 33 can play a role in upwards fixing the bottom position of the workpiece, and then the fixing bolt 26 is rotated to extrude the workpiece clamped inside the groove of the mounting frame plate 8 under the action of threads, so that the workpiece is conveniently limited up and down.
The application process of the invention is as follows:
when the position is adjusted, the concave placing frame 1 is placed between two workpieces, the multiple embedding cones 13 at the bottom end of the supporting base 12 are embedded into the ground, the friction embedding strips 14 can increase the friction force, then the two workpieces to be welded are respectively placed into the grooves below the mounting frame plate 8, then the rotating cap 28 is rotated, the rotating cap 28 drives the rotating screw 27 to rotate forward, so that the rotating screw 27 rotates inside the limit collar 29, the limit collar 29 is driven to move upward, the limit collar 29 drives the connecting ring 30 to move the sliding block 31 upward, the sliding block 31 drives the first guide support rod 32 to make the sliding support frame 33 start to move upward, the sliding support frame 33 drives the limit support ring 34 to make the balls 35 move upward, the first guide support rod 32 drives the second guide support rod 36 to move upward, and the fixing ring 37 can be fixedly connected to the second guide support rod 36, the second guide support rod 36 cannot be moved out of the mounting frame plate 8, so that the sliding support frame 33 can move up and fix the bottom of the workpiece, and then the fixing bolt 26 is rotated to extrude the workpiece clamped in the groove of the mounting frame plate 8 under the action of threads, so that the workpiece can be limited up and down and left and right conveniently;
When the positioning is fixed, the servo drive motor 6 is started to drive the bidirectional transmission screw rod 3 to rotate forwards, the bidirectional transmission screw rod 3 drives the first movable ring block 4 to move rightwards under the action of the screw threads, meanwhile, the second movable ring block 5 realizes the action of moving leftwards under the action of the screw threads, the first movable ring block 4 drives the connecting rod 7 to move rightwards, the connecting rod 7 drives the rotating screw rod 27 to move the limit ring collar 29 and the connecting ring 30, so that the sliding block 31 drives the sliding support frame 33 to move, the balls 35 roll in the limit support ring 34, the moving operation of the whole sliding support frame 33 is realized, the connecting rod 7 drives the mounting frame plate 8 to move rightwards, two workpieces are driven to be opened for extrusion, one workpiece is extruded on one side of the upper angle positioning block 9, the other workpiece is attached to the other side of the upper angle positioning block 9, in this way, the included angle formed by the two inclined planes of the upper angle positioning block 9 is seventy degrees, the middle is spaced by the spacing block 10, and meanwhile, the inclined planes at the two sides of the lower angle positioning block 11 are ninety degrees, so that the upper included angle and the lower included angle at the position between the two workpieces can be kept in standard welding degrees, and the distance is also kept in a normal value;
When the welding is rejected, the driving motor 25 can be started to drive the transmission gear ring 24 to rotate, the transmission gear ring 24 drives the arc-shaped gear plate 23 to rotate anticlockwise, the arc-shaped gear plate 23 drives the linkage supporting rod 22 to enable the linkage rotating block 21 to move upwards, the linkage supporting rod 22 drives the linkage supporting plate 17 to rotate anticlockwise, the linkage supporting plate 17 drives the angle rotating ring 18 to rotate outside the positioning supporting shaft 19, the connection concave block 20 can support the positioning supporting shaft 19, the linkage supporting plate 17 can drive the supporting shaft 16 to enable the sleeving ring block 15 to rotate upwards, the sleeving ring block 15 can drive the upper angle positioning block 9 to rotate, so that the upper angle positioning block 9 can be rejected from between two workpieces, then the upper angle positioning block 9 can realize that the positioning and fixing of the two workpieces are finished and a certain gap is generated, after the welding is finished, the sliding support frame 33 is moved backward, so that the sliding support frame 33 drives the first guiding rod 32 to move backward along the interior of the sliding block 31, and the sliding support frame 33 can be taken out.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements may be made based on the invention. Accordingly, it is intended that all such modifications and alterations be included within the scope of this invention as defined in the appended claims.
In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for clarity of description, and are not intended to limit the scope of the present invention, and changes or modifications in the relative relationship thereof may be made without substantial technical changes.
Claims (10)
1. A welding construction method is characterized by comprising the following steps:
step one, setting parameters of a welding machine: setting required welding construction parameters, parameters such as base value welding current of pulse welding current, peak value welding current, duty ratio of pulse welding current, pulse frequency and the like, and argon flow according to the thickness of the test piece and the size of the groove;
step two, groove preparation: the bevel angle of the base layer is 70 degrees, the bevel depth is 6mm, the truncated edge is 5mm, the bevel angle of the composite layer side is 90 degrees, and burrs at the root of the bevel are removed after machining;
thirdly, positioning and fixing the two welding workpieces by using welding construction equipment according to a schematic diagram without a gap, performing base layer submerged arc welding backing welding, performing base layer submerged arc welding at a welding current of 610A-620A and an arc voltage of 31V-33V at a welding speed of 57cm/min, performing filling capping welding at the base layer submerged arc welding at a welding current of 630A-640A and an arc voltage of 33V-35V at a welding speed of 45 cm/min;
Step four, welding a welding rod E309 in a transition mode, wherein the diameter of the welding rod is 2.5mm, the welding is carried out twice, welding parameters are set, the diameter of the welding rod is 2.5mm, the welding current is 70-90A, the voltage is 22-25V, a welding pool is not too large during transition welding, and the surface of a welding seam after welding forms a plane-concave surface as much as possible and is higher than base layer filling and cover surface welding;
filling and capping welding electrode E308 with the diameter of 2.5mm, welding twice with welding current of 70-90A and voltage of 22-25V, wherein during filling welding, the welding specification is not too large, and the thickness of the formed welding seam is controlled to be about 2 mm;
in the second step of the method, the welding construction equipment comprises a concave placing frame (1), wherein a guide support frame (2) is arranged on the inner wall of the concave placing frame (1), and a positioning mechanism is arranged inside the guide support frame (2);
positioning mechanism is including setting up two-way drive screw (3) inside guide bracket frame (2), and two-way drive screw (3) outer wall connection has first removal ring piece (4), second removal ring piece (5) are installed to first removal ring piece (4) one side, two-way drive screw (3) one end is installed and is used for driven servo drive motor (6), first removal ring piece (4) and second removal ring piece (5) below all are connected with connecting branch (7), and the welding has installation deckle board (8) in connecting branch (7) bottom position department, two install angle locating piece (9) between installation deckle board (8), are connected with spacer (10) in last angle locating piece (9) bottom, the welding of spacer (10) bottom has angle locating piece (11) down.
2. A welding construction method as defined in claim 1, wherein: the included angle degree formed between the inclined planes on the two sides of the upper angle positioning block (9) is seventy degrees, and the inclined planes on the two sides of the lower angle positioning block (11) are ninety degrees.
3. A welding construction method as defined in claim 1, wherein: the two-way transmission screw rod (3) is provided with two opposite and symmetrical external threads at two ends, and the first movable ring block (4) and the second movable ring block (5) are provided with opposite threads on the inner walls.
4. A welding construction method as defined in claim 1, wherein: two fixing bolts (26) are embedded into one side of the mounting frame plate (8), and the fixing bolts (26) are connected with the mounting frame plate (8) in a threaded mode.
5. A welding construction method as defined in claim 1, wherein: support base (12) are all installed to two bottoms of frame (1) are placed to the spill, are provided with a plurality of embedding awl (13) supporting base (12) bottom, embedding awl (13) one side is connected with friction embedding strip (14), and friction embedding strip (14) bottom cross sectional area is less than its top cross sectional area.
6. A welding construction method as defined in claim 1, wherein: the top end of the upper angle positioning block (9) is provided with a shifting-out mechanism, the shifting-out mechanism comprises a sleeve ring block (15) arranged at the top end of the upper angle positioning block (9), a supporting shaft (16) is connected inside the sleeving ring block (15), a linkage supporting plate (17) is arranged above the sleeving ring block (15), the top end of the linkage support plate (17) is connected with an angle rotating ring (18), the inner wall of the angle rotating ring (18) is provided with a positioning support shaft (19), a connecting concave block (20) is arranged above the positioning support shaft (19), one side of the linkage support plate (17) is connected with a linkage rotating block (21), a linkage supporting rod (22) is movably connected inside the linkage rotating block (21), one end of the linkage supporting rod (22) is connected with an arc toothed plate (23), and the outer walls of the two arc-shaped toothed plates (23) are meshed with a transmission toothed ring (24), and one end of the transmission toothed ring (24) is provided with a driving motor (25) for coaxial transmission connection.
7. A welding construction method as defined in claim 6, wherein: the angle rotating ring (18) is movably connected to the outer wall of the positioning supporting shaft (19), and the supporting shaft (16) is integrally formed inside the sleeving ring block (15) through die casting.
8. A welding construction method as defined in claim 6, wherein: the linkage rotating block (21) is movably connected with the outside of the linkage supporting rod (22), and the arc-shaped toothed plate (23) and the transmission toothed ring (24) are in meshing transmission.
9. A welding construction method as defined in claim 1, wherein: a rotating screw (27) is arranged at the top end of the mounting frame plate (8) in a penetrating way, a limit collar (29) is sleeved outside the rotating screw (27) close to the bottom end, the bottom end of the limit collar (29) is connected with a connecting ring (30), a sliding block (31) is fixedly connected below the connecting ring (30), the inner wall of the sliding block (31) is connected with a first guide support rod (32) in a sliding way, the outer part of the sliding block (31) is connected with a sliding support frame (33) in a sliding way, a plurality of limiting support rings (34) are arranged below the sliding support frame (33), a ball (35) is arranged in each limiting support ring (34), a second guide support rod (36) is arranged outside the first guide support rod (32) and at one side of the rotating screw rod (27), and a fixing ring (37) is arranged outside the second guide support rod (36) and above the mounting frame plate (8).
10. A welding construction method as defined in claim 9, wherein: the rotary screw (27) is in threaded connection with the installation frame plate (8), and the top end of the rotary screw (27) is connected with a rotary cap (28) with a hexagonal cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210271545.0A CN114749777A (en) | 2022-03-18 | 2022-03-18 | Welding construction method and welding construction equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210271545.0A CN114749777A (en) | 2022-03-18 | 2022-03-18 | Welding construction method and welding construction equipment |
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| Publication Number | Publication Date |
|---|---|
| CN114749777A true CN114749777A (en) | 2022-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210271545.0A Pending CN114749777A (en) | 2022-03-18 | 2022-03-18 | Welding construction method and welding construction equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117900685A (en) * | 2024-03-20 | 2024-04-19 | 江苏一凡智能装备有限公司 | Welding tool for processing container foot pads |
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2022
- 2022-03-18 CN CN202210271545.0A patent/CN114749777A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117900685A (en) * | 2024-03-20 | 2024-04-19 | 江苏一凡智能装备有限公司 | Welding tool for processing container foot pads |
| CN117900685B (en) * | 2024-03-20 | 2024-05-10 | 江苏一凡智能装备有限公司 | Welding tool for processing container foot pads |
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