CN115673656A - Welding device for oblique-crossing equal-diameter stainless steel pipes - Google Patents
Welding device for oblique-crossing equal-diameter stainless steel pipes Download PDFInfo
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- CN115673656A CN115673656A CN202310005147.9A CN202310005147A CN115673656A CN 115673656 A CN115673656 A CN 115673656A CN 202310005147 A CN202310005147 A CN 202310005147A CN 115673656 A CN115673656 A CN 115673656A
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Abstract
The invention discloses a welding device for oblique-crossing equal-diameter stainless steel pipes, and belongs to the technical field of welding of stainless steel pipes. It includes the equipment rack, synchronous pivot A and the synchronous pivot B of installing are rotated to the coaxial line, angle modulation slider A, angle modulation slider B, centre gripping subassembly A and centre gripping subassembly B that is used for centre gripping nonrust steel pipe A and nonrust steel pipe B respectively, the steel pipe contained angle adjusting part to nonrust steel pipe A and nonrust steel pipe B welding contained angle regulation, the steel pipe welding position subassembly that is used for welding position, carry out welded soldered connection to nonrust steel pipe A and nonrust steel pipe B, the flexible welding drive assembly that the drive soldered connection carries out flexible welding, and the synchronous rotation drive assembly of synchronous pivot A and the synchronous pivot B synchronous pivoted of drive. The invention is a welding device which has reasonable structure, can carry out multi-included-angle flexible welding on two oblique equal-diameter stainless steel pipes and has high welding efficiency and welding quality.
Description
Technical Field
The invention mainly relates to the technical field of welding of stainless steel pipes, in particular to a welding device for oblique crossing equal-diameter stainless steel pipes.
Background
Stainless steel pipes have a hollow characteristic, and are widely used for industrial pipelines and machine structural parts in petroleum, chemical, medical, and other industries. In the practical use process, two stainless steel pipes are often required to be welded linearly or obliquely. For oblique welding, the prior art typically moves the welding head in a curve around the weld to perform circumferential welding. Therefore, although the prior art realizes oblique welding, the following defects still exist: 1. the welding mode that the stainless steel pipe is static and the welding head moves in a curve mode is adopted, so that the welding process is complex, the contact distance between the welding head and the welding line is not well controlled, and the welding efficiency and the welding quality are not high; 2. when the included angle between two stainless steel pipes changes, need readjust the movement track of soldered connection, the welding movement path commonality of soldered connection is relatively poor. Therefore, it is necessary to design a welding device capable of performing rapid and high-quality welding on two stainless steel pipes which are obliquely crossed.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: aiming at the technical problems in the prior art, the invention provides the welding device which is reasonable in structure, can carry out circumferential welding through the autorotation of an oval welding seam and the flexible distance adjustment of a welding head, can carry out multi-included-angle welding on two oblique equal-diameter stainless steel pipes and has high welding efficiency and welding quality.
In order to solve the problems, the solution proposed by the invention is as follows: a welding device for oblique crossing equal-diameter stainless steel pipes comprises an equipment frame, a synchronous rotating shaft A and a synchronous rotating shaft B which are coaxially and rotatably arranged on the equipment frame, an angle adjusting slide block A which is arranged on the synchronous rotating shaft A in a sliding and non-rotating mode, an angle adjusting slide block B which is arranged on the synchronous rotating shaft B in a sliding and non-rotating mode, a clamping component A which is arranged on the angle adjusting slide block A and is used for clamping a stainless steel pipe A to be welded, a clamping component B which is arranged on the angle adjusting slide block B and is used for clamping the stainless steel pipe B to be welded, a steel pipe included angle adjusting component which is arranged on the synchronous rotating shaft A and the synchronous rotating shaft B and is used for adjusting the welding included angle of the stainless steel pipe A and the stainless steel pipe B by controlling the relative sliding of the angle adjusting slide block A and the angle adjusting slide block B, a steel pipe welding positioning component which is used for welding the stainless steel pipe A and the stainless steel pipe B, a welding joint which welds the stainless steel pipe A and the stainless steel pipe B, and a welding head which is arranged on the equipment frame, and a flexible welding driving component which drives the synchronous rotating shaft A and the synchronous rotating component.
And an oval welding seam is formed between the stainless steel pipe A and the stainless steel pipe B in an oblique crossing manner, the steel pipe welding positioning assembly is right after the stainless steel pipe A and the stainless steel pipe B are welded and positioned, the center of the oval welding seam is positioned on the axes of the synchronous rotating shaft A and the synchronous rotating shaft B, and the plane where the oval welding seam is positioned is perpendicular to the axes of the synchronous rotating shaft A and the synchronous rotating shaft B.
Further, the clamping component A and the clamping component B are symmetrically arranged on the left and right of the plane of the oval welding line; centre gripping subassembly A and centre gripping subassembly B structure are the same, all include: the device comprises an arc-shaped plate A, an arc-shaped plate B, an elastic cushion A and an elastic cushion B which are respectively arranged on the inner surfaces of the arc-shaped plate A and the arc-shaped plate B, an ear plate A and an ear plate B which are respectively and fixedly arranged at the adjacent ends of the arc-shaped plate A and the arc-shaped plate B, and bolts used for locking the ear plate A and the ear plate B; the other ends of the arc plate A and the arc plate B which are adjacent are hinged; the arc-shaped plate A in the clamping assembly A is fixedly connected with the connecting piece A, and the arc-shaped plate A in the clamping assembly B is fixedly connected with the connecting piece B.
Further, steel pipe contained angle adjusting part includes: the support plate A is fixedly arranged on the synchronous rotating shaft A, the support plate B is fixedly arranged on the synchronous rotating shaft B, and the electric telescopic rod A and the electric telescopic rod B are arranged on the synchronous rotating shaft A; the cylinder body part of the electric telescopic rod A is arranged on the support plate A, and the output rod of the electric telescopic rod A is fixedly connected with the angle adjusting slide block A; the cylinder body part of the electric telescopic rod B is arranged on the support plate B, and the output rod of the electric telescopic rod B is fixedly connected with the angle adjusting slide block B.
Further, the steel pipe welding position subassembly includes: an electric telescopic rod C arranged on the synchronous rotating shaft A by adopting a support plate A and a positioning baffle plate connected with an output rod of the electric telescopic rod C; when the center of the elliptical welding line is positioned on the axis of the synchronous rotating shaft A and the synchronous rotating shaft B, the positioning baffle is just abutted against the stainless steel pipe A and the stainless steel pipe B.
Further, the flexible weld drive assembly includes: the device comprises a support plate C fixedly arranged on the equipment frame, a fixing sleeve, a metal spring, a positioning column, a winding motor, a winding wheel and a flexible rope, wherein one end of the fixing sleeve is fixedly connected with the support plate C, and the other end of the fixing sleeve is connected with the welding head in a sliding manner; the metal spring is always in a compressed state.
Further, the synchronous rotary drive assembly includes: the device comprises two driven gears which are fixedly arranged on a synchronous rotating shaft A and a synchronous rotating shaft B respectively, two intermediate shafts A and two intermediate shafts B which are rotatably arranged on a device frame, a speed reducing motor arranged on the device frame, a driving gear fixedly arranged on an output shaft of the speed reducing motor, an idler wheel D and an idler wheel C which are fixedly arranged on the intermediate shafts B, an idler wheel B which is fixedly arranged on the intermediate shafts A and is in meshing transmission with the idler wheel C, and an idler wheel A which is fixedly arranged on the intermediate shafts A and is in meshing transmission with the driven gears; the driving gear is in meshed transmission with the idler wheel D; the two intermediate shafts A are splayed and symmetrical about the plane of the elliptic welding seam; the two middle axes B are parallel to each other and symmetrical about the plane of the elliptical weld.
Compared with the prior art, the invention has the following advantages and beneficial effects: the welding device for the oblique-crossing equal-diameter stainless steel pipe is provided with the synchronous rotation driving assembly for driving the synchronous rotating shaft A and the synchronous rotating shaft B to synchronously rotate, the stainless steel pipe A and the stainless steel pipe B can be driven to rotate around the central axis of the elliptical weld joint in the welding process, the elliptical weld joint is formed to rotate around the center of the elliptical weld joint, and the welding efficiency is obviously improved due to the circumferential welding mode that the welding head does not rotate; the metal spring and the flexible rope in the flexible welding driving assembly act together to adjust the distance between the welding head and the center of the elliptical welding seam in a self-adaptive manner, so that the welding head is in full contact with the elliptical welding seam, the flexible welding is realized, and the welding quality is improved; the steel pipe included angle adjusting assembly can drive the angle adjusting slide block A and the angle adjusting slide block B to be far away from or close to each other, the welding included angle between the stainless steel pipe A and the stainless steel pipe B is changed, and multi-included-angle welding of the stainless steel pipe A and the stainless steel pipe B is achieved. Therefore, the welding device is reasonable in structure, can carry out circumferential welding through autorotation of the oval welding seam and flexible distance adjustment of the welding head, can carry out multi-angle welding on two oblique equal-diameter stainless steel pipes, and has high welding efficiency and welding quality.
Drawings
FIG. 1 is a schematic view of the structural principle of a welding device for skew equal-diameter stainless steel pipes according to the present invention.
Fig. 2 is a schematic view of a flexible welding drive assembly according to the present invention.
Fig. 3 is a schematic structural diagram of the clamping assembly a of the present invention.
FIG. 4 is a schematic view showing the principle of the adjustment of the welding angle between the stainless steel tube A and the stainless steel tube B in the present invention.
In the figure, 10 — equipment rack; 11-stainless steel tube A; 12-stainless steel tube B; 21-synchronous rotating shaft A; 22-synchronous shaft B; 23-angle adjusting slide block A; 24-angle adjusting slide block B; 25-connecting piece a; 26-connecting piece B; 27-clamping assembly a; 271-arc plate a; 272-arc B; 273-elastic pad A; 274-elastic pad B; 275-ear plate a; 276-ear plate B; 28-a clamping assembly B; 29-welding head; 31-a support plate a; 32-bracket plate B;33, an electric telescopic rod A; 34-an electric telescopic rod B; 41-positioning the baffle; 42, an electric telescopic rod C; 51-a bracket plate C; 52-a fixed sleeve; 53-metal spring; 54-a positioning column; 55-a flexible cord; 56-reel; 57-a wound motor; 61-driven gear; 62-countershaft a; 63-idler a; 64-idler B; 65-intermediate shaft B; 66-idler C; 67-idler D; 68-a drive gear; 69-reduction motor.
Detailed Description
The invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, the welding device for skew-crossing equal-diameter stainless steel pipes of the present invention comprises an equipment frame 10, a synchronous rotating shaft a21 and a synchronous rotating shaft B22 coaxially installed on the equipment frame 10 in a rotating manner, an angle-adjusting slider a23 installed on the synchronous rotating shaft a21 in a sliding manner and not rotating, an angle-adjusting slider B24 installed on the synchronous rotating shaft B22 in a sliding manner and not rotating manner, a clamping component a27 installed on the angle-adjusting slider a23 by using a connecting member a25 for clamping the stainless steel pipe a11 to be welded, a clamping component B28 installed on the angle-adjusting slider B24 by using a connecting member B26 for clamping the stainless steel pipe B12 to be welded, a steel pipe welding positioning component installed on the synchronous rotating shaft a21 and the synchronous rotating shaft B22 for welding the stainless steel pipe a11 and the stainless steel pipe B12 by controlling the relative sliding of the angle-adjusting slider a23 and the angle-adjusting slider B24, a steel pipe welding positioning component for welding the stainless steel pipe a11 and the stainless steel pipe B12, a welding head 29 installed on the equipment frame 10 for driving the stainless steel pipe a11 and the stainless steel pipe B12 to be welded, and a rotating shaft B22 for driving the synchronous rotating synchronously. During specific implementation, the equipment frame 10 is fixedly arranged on four upright posts which are fixedly arranged on the ground, so that the equipment frame 10 is suspended, and the stainless steel tube A11 and the stainless steel tube B12 can rotate around the axes of the synchronous rotating shaft A21 and the synchronous rotating shaft B22; the equipment frame 10 is a horizontally placed U-shaped frame, and one ends of the outer sides of the synchronous rotating shaft A21 and the synchronous rotating shaft B22 are respectively rotatably arranged on two side plates of the U-shaped frame by adopting a rolling bearing; the central axis of the clamping assembly A27 is oblique to the axis of the synchronous rotating shaft A21, and the central axis of the clamping assembly B28 is oblique to the axis of the synchronous rotating shaft B22, so that the stainless steel pipe A11 clamped by the clamping assembly A27 and the stainless steel pipe B12 clamped by the clamping assembly B28 can form a V-shaped structure for welding; the steel pipe included angle adjusting component enables the angle adjusting slide block A23 and the angle adjusting slide block B24 to synchronously and reversely move, namely the angle adjusting slide block A23 and the angle adjusting slide block B24 are far away or close to each other. When the angle adjusting slide block A23 and the angle adjusting slide block B24 are far away from each other, the welding included angle between the stainless steel pipe A11 and the stainless steel pipe B12 is increased; when the angle adjusting slide block A23 and the angle adjusting slide block B24 are close to each other, the welding included angle between the stainless steel pipe A11 and the stainless steel pipe B12 is reduced. Therefore, the movement directions of the angle adjusting slide block A23 and the angle adjusting slide block B24 are controlled by the steel pipe included angle adjusting component, so that the adjustment of various welding included angles of the stainless steel pipe A11 and the stainless steel pipe B12 can be realized. The welding head 29 is prior art and will not be described in detail here.
An oval welding seam is formed between the stainless steel pipe A11 and the stainless steel pipe B12 which are obliquely crossed, after the stainless steel pipe A11 and the stainless steel pipe B12 are welded and positioned by the steel pipe welding positioning assembly, the center of the oval welding seam is located on the axis of the synchronous rotating shaft A21 and the axis of the synchronous rotating shaft B22, and the plane where the oval welding seam is located is perpendicular to the axis of the synchronous rotating shaft A21 and the axis of the synchronous rotating shaft B22. When the synchronous rotating device is used specifically, the synchronous rotating driving assembly drives the coaxial synchronous rotating shaft A21 and the coaxial synchronous rotating shaft B22 to rotate synchronously, and the clamping assembly A27 and the clamping assembly B28 respectively drive the stainless steel tube A11 and the stainless steel tube B12 in the V shape to rotate around the axes of the synchronous rotating shaft A21 and the synchronous rotating shaft B22, namely, around the central axis of the elliptic welding seam. The elliptical weld rotates around the center of the elliptical weld, and meanwhile, the flexible welding driving assembly can drive the welding head 29 to be self-adaptive to be far away from or close to the center of the elliptical weld in the welding process, so that the welding head 29 can carry out circumferential welding on the rotating elliptical weld.
Referring to fig. 1 and 3, preferably, the clamping assemblies a27 and B28 are symmetrically mounted about the plane of the elliptical weld; the clamping component A27 and the clamping component B28 have the same structure and respectively comprise: the locking device comprises an arc-shaped plate A271, an arc-shaped plate B272, an elastic pad A273 and an elastic pad B274 which are respectively arranged on the inner surfaces of the arc-shaped plate A271 and the arc-shaped plate B272, an ear plate A275 and an ear plate B276 which are respectively fixedly arranged at the adjacent ends of the arc-shaped plate A271 and the arc-shaped plate B272, and bolts for locking the ear plate A275 and the ear plate B276; the adjacent other ends of the arc-shaped plate A271 and the arc-shaped plate B272 are hinged; the arc plate A271 in the clamping assembly A27 is fixedly connected with the connecting piece A25, and the arc plate A271 in the clamping assembly B28 is fixedly connected with the connecting piece B26. In specific implementation, the arc plate a271 and the arc plate B272 have equal curvature radius, the elastic pad a273 and the elastic pad B274 can be made of non-metal material with obvious elastic deformation, and the lug plate a275 and the lug plate B276 are provided with through holes for allowing bolts to pass through. When the clamping device is used specifically, a stainless steel pipe A11 and a stainless steel pipe B12 are respectively placed between the corresponding arc-shaped plate A271 and the corresponding arc-shaped plate B272, so that the stainless steel pipe A11 is simultaneously contacted with the elastic pad A273 and the elastic pad B274 in the clamping assembly A27, the stainless steel pipe B12 is simultaneously contacted with the elastic pad A273 and the elastic pad B274 in the clamping assembly B28, and the clamping of the stainless steel pipe A11 and the stainless steel pipe B12 is realized by locking the lug plate A275 and the lug plate B276 through bolts; in order to enable the angle adjusting slide block A23 and the angle adjusting slide block B24 to be far away from or close to each other, the axial lines of the clamping component A27 and the clamping component B28 are respectively overlapped with the axial lines of the stainless steel pipe A11 and the stainless steel pipe B12, the arc-shaped plate A271 in the clamping component A27 is fixedly connected with the connecting piece A25 in an angle adjustable mode, and the arc-shaped plate A271 in the clamping component B28 is fixedly connected with the connecting piece B26 in an angle adjustable mode. As the first embodiment, the two arc-shaped plates A271 can be respectively hinged with the connecting piece A25 and the connecting piece B26, meanwhile, the arc-shaped plates A271 are provided with the bolt through holes, the connecting piece A25 and the connecting piece B26 are provided with the arc-shaped through grooves matched with the bolt through holes, and the arc-shaped plates A271, the connecting piece A25 and the connecting piece B26 can be locked at any angle position by means of bolts, so that the angle-adjustable type fixed connection is realized.
Referring to fig. 1 and 4, preferably, the steel pipe included angle adjusting assembly includes: a bracket plate A31 fixedly arranged on the synchronous rotating shaft A21, a bracket plate B32 fixedly arranged on the synchronous rotating shaft B22, an electric telescopic rod A33 and an electric telescopic rod B34; the cylinder body part of the electric telescopic rod A33 is arranged on a support plate A31, and the output rod of the electric telescopic rod is fixedly connected with an angle adjusting slide block A23; the cylinder body part of the electric telescopic rod B34 is arranged on the bracket plate B32, and the output rod of the electric telescopic rod B is fixedly connected with the angle adjusting slide block B24. In specific implementation, the support plate A31 and the support plate B32 are respectively fixedly arranged on one ends of the synchronous rotating shaft A21 and the synchronous rotating shaft B22 which are adjacent to each other; when the output rod of the electric telescopic rod A33 and the output rod of the electric telescopic rod B34 extend synchronously, the angle adjusting slide block A23 and the angle adjusting slide block B24 are far away from each other, the included angle between the stainless steel pipe A11 and the stainless steel pipe B12 is increased, and the long axis of the elliptic welding line is decreased; when the output rod of the electric telescopic rod A33 and the output rod of the electric telescopic rod B34 are synchronously shortened, the angle adjusting slide block A23 and the angle adjusting slide block B24 are close to each other, the included angle between the stainless steel pipe A11 and the stainless steel pipe B12 is reduced, and the long axis of the elliptic welding line is enlarged.
Preferably, the pipe welding positioning assembly comprises: an electric telescopic rod C42 which is arranged on the synchronous rotating shaft A21 by adopting a bracket plate A31, and a positioning baffle plate 41 which is connected with an output rod of the electric telescopic rod C42; when the centers of the elliptical welding seams are located on the axes of the synchronous rotating shaft A21 and the synchronous rotating shaft B22, the positioning baffle 41 is just abutted against the stainless steel pipe A11 and the stainless steel pipe B12. In specific implementation, the distance between the positioning baffle 41 and the axis of the synchronous rotating shaft A21 is equal to the semimajor axis of the elliptical weld joint. In order to adapt to welding of various included angles of the stainless steel pipe A11 and the stainless steel pipe B12, the electric telescopic rod C42 is arranged on the support plate A31 in a sliding mode along the radial direction of the synchronous rotating shaft A21, and when the long axis of the oval welding line is reduced, the electric telescopic rod C42 slides inwards along the radial direction of the synchronous rotating shaft A21; when the major axis of the elliptical weld joint is enlarged, the electric telescopic rod C42 slides outwards along the radial direction of the synchronous rotating shaft A21; after the position of the electric telescopic rod C42 is adjusted, the electric telescopic rod C42 can be locked at the current position by adopting a set screw. When welding and positioning are needed, the output rod of the electric telescopic rod C42 extends to enable the positioning baffle 41 to translate rightwards, after the positioning baffle 41 welds and positions the stainless steel tube A11 and the stainless steel tube B12, the clamping assembly A27 and the clamping assembly B28 clamp the stainless steel tube A11 and the stainless steel tube B12 respectively, then the output rod of the electric telescopic rod C42 is shortened to enable the positioning baffle 41 to translate leftwards, and therefore a welding space is reserved for the welding head 29.
Referring to fig. 1 and 2, the flexible welding drive assembly preferably includes: a support plate C51 fixedly arranged on the equipment frame 10, a fixed sleeve 52 with one end fixedly connected with the support plate C51 and the other end connected with the welding head 29 in a sliding way, a metal spring 53 arranged in the fixed sleeve 52 and with two ends respectively connected with the support plate C51 and the welding head 29, a positioning column 54 fixedly arranged on the welding head 29, a winding motor 57 arranged on the support plate C51, a winding wheel 56 fixedly arranged on an output shaft of the winding motor 57, and a flexible rope 55 with one end wound on the winding wheel 56 and the other end fixedly connected with the positioning column 54; the metal spring 53 is always in a compressed state. When the positioning baffle plate 41 is used specifically, the winding motor 57 drives the winding wheel 56 to wind the flexible rope 55, and the welding head 29 is far away from the oval welding line to leave a positioning space for the positioning baffle plate 41; the winding motor 57 drives the winding reel 56 to release the flexible cord 55, and the welding head 29 moves towards the oval weld seam under the spring force of the metal spring 53 until it abuts against the oval weld seam. In the welding process, when the welding head 29 is positioned at the first limit position, the contact point of the welding head 29 and the elliptical weld joint is a long axis end point; when the welding head 29 is at the second limit position, the contact point of the welding head 29 and the elliptical weld is the short axis end point. The metal spring 53 which is always in a compressed state can enable the welding head 29 to translate from the end point of the long shaft to the end point of the short shaft in a self-adaptive manner, and can well keep contact with the elliptical welding line, so that the welding quality is improved.
Preferably, the synchronous rotary drive assembly comprises: two driven gears 61 fixedly arranged on a synchronous rotating shaft A21 and a synchronous rotating shaft B22 respectively, two intermediate shafts A62 and two intermediate shafts B65 rotatably arranged on the equipment frame 10, a speed reducing motor 69 arranged on the equipment frame 10, a driving gear 68 fixedly arranged on an output shaft of the speed reducing motor 69, an idler D67 and an idler C66 fixedly arranged on the intermediate shafts B65, an idler B64 fixedly arranged on the intermediate shafts A62 and in meshing transmission with the idler C66, and an idler A63 fixedly arranged on the intermediate shafts A62 and in meshing transmission with the driven gears 61; the driving gear 68 is in meshed transmission with the idler gear D67; the two middle shafts A62 are splayed and symmetrical about the plane of the oval welding seam; the two intermediate axes B65 are parallel to each other and symmetrical with respect to the plane of the oval weld. When the synchronous slow rotation device is used specifically, the speed reduction motor 69 drives the driving gear 68 to rotate, the driving gear 68 drives the idle gears D67 on two sides to rotate, the idle gear C66 drives the idle gear B64 to rotate in a speed reduction mode, and the idle gear A63 drives the driven gear 61 to rotate, so that the synchronous slow rotation of the synchronous rotating shaft A21 and the synchronous rotating shaft B22 is realized.
The working process and working principle of the invention are as follows: firstly, an output rod of an electric telescopic rod C42 drives a positioning baffle 41 to translate rightwards; secondly, placing the stainless steel pipe A11 and the stainless steel pipe B12 with the inclined planes in a clamping assembly A27 and a clamping assembly B28 respectively, enabling the stainless steel pipe A11 and the stainless steel pipe B12 to be right abutted against a positioning baffle 41, enabling the center of an elliptical welding line to be right positioned on the axis of a synchronous rotating shaft A21 and the axis of a synchronous rotating shaft B22, and locking an ear plate A275 and an ear plate B276 by bolts after welding and positioning; thirdly, the output rod of the electric telescopic rod C42 drives the positioning baffle 41 to translate leftwards, and a welding space is reserved for the welding head 29; fourthly, the winding motor 57 drives the winding wheel 56 to release the flexible rope 55, so that the welding head 29 abuts against the oval welding seam between the stainless steel pipe A11 and the stainless steel pipe B12; fifthly, welding the elliptical weld joint by the welding head 29, wherein at the same time, a speed reduction motor 69 in the synchronous rotation driving assembly starts to work to drive a synchronous rotating shaft A21 and a synchronous rotating shaft B22 to synchronously and slowly rotate, namely the elliptical weld joint rotates around the center of the elliptical weld joint, and the welding head 29 with the self-adaptive pitch separation performs circumferential welding on the rotating elliptical weld joint; sixthly, after the welding of the oblique stainless steel pipe A11 and the oblique stainless steel pipe B12 is finished, the winding motor 57 drives the winding wheel 56 to wind the flexible rope 55, and the welding head 29 is far away from the elliptical welding seam; and seventhly, removing the bolt to release the lug plate A275 and the lug plate B276, and removing the welded stainless steel pipe A11 and the welded stainless steel pipe B12.
The above is only a specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through creative efforts should fall within the scope of the present invention.
Claims (6)
1. The utility model provides a welding set of nonrust steel pipe of skew constant diameter, includes equipment rack (10), its characterized in that still includes:
a synchronous rotating shaft A (21) and a synchronous rotating shaft B (22) which are coaxially and rotatably arranged on the equipment frame (10), an angle adjusting slide block A (23) which is arranged on the synchronous rotating shaft A (21) in a sliding way and does not rotate, an angle adjusting slide block B (24) which is arranged on the synchronous rotating shaft B (22) in a sliding way and does not rotate, a clamping component A (27) which is arranged on the angle adjusting slide block A (23) and is used for clamping a stainless steel pipe A (11) to be welded, a clamping component B (28) which is arranged on the angle adjusting slide block B (24) and is used for clamping a stainless steel pipe B (12) to be welded, a steel pipe adjusting component which is arranged on the synchronous rotating shaft A (21) and the synchronous rotating shaft B (22) and is used for adjusting the welding included angle of the stainless steel pipe A (11) and the stainless steel pipe B (12) by controlling the relative sliding of the angle adjusting slide block A (23) and the angle adjusting slide block B (24) is used for controlling the welding positioning component of the stainless steel pipe A (11) and the stainless steel pipe B (12), a welding positioning component which is arranged on the stainless steel pipe A (11) and a welding component which drives the welding joint A (11) and the stainless steel pipe (12), and the welding equipment frame (10) and drives the welding joint (11) of the stainless steel pipe (11), the synchronous rotation driving component drives the synchronous rotating shaft A (21) and the synchronous rotating shaft B (22) to synchronously rotate;
the oblique crossing form oval welding seam between nonrust steel pipe A (11) and the nonrust steel pipe B (12), the pipe welding position subassembly is right nonrust steel pipe A (11) and nonrust steel pipe B (12) welding position back, the center of oval welding seam is located on the axis of synchronous pivot A (21) and synchronous pivot B (22), just the plane at oval welding seam place with the axis of synchronous pivot A (21) and synchronous pivot B (22) is perpendicular.
2. The welding device for the oblique equal-diameter stainless steel pipes according to claim 1, characterized in that the clamping assemblies A (27) and B (28) are symmetrically arranged in the left and right directions about the plane of the elliptical welding seam; the clamping component A (27) and the clamping component B (28) are identical in structure and respectively comprise: the device comprises an arc-shaped plate A (271), an arc-shaped plate B (272), an elastic cushion A (273) and an elastic cushion B (274) which are respectively arranged on the inner surfaces of the arc-shaped plate A (271) and the arc-shaped plate B (272), an ear plate A (275) and an ear plate B (276) which are respectively fixedly arranged at the adjacent ends of the arc-shaped plate A (271) and the arc-shaped plate B (272), and bolts for locking the ear plate A (275) and the ear plate B (276); the other ends of the arc plate A (271) and the arc plate B (272) which are adjacent are hinged; the arc-shaped plate A (271) in the clamping assembly A (27) is fixedly connected with the connecting piece A (25), and the arc-shaped plate A (271) in the clamping assembly B (28) is fixedly connected with the connecting piece B (26).
3. The apparatus for welding stainless steel skew isometric tubes according to claim 1, wherein said tube angle adjustment assembly comprises: a bracket plate A (31) fixedly arranged on the synchronous rotating shaft A (21), a bracket plate B (32) fixedly arranged on the synchronous rotating shaft B (22), an electric telescopic rod A (33) and an electric telescopic rod B (34); the cylinder body part of the electric telescopic rod A (33) is arranged on the support plate A (31), and the output rod of the electric telescopic rod A is fixedly connected with the angle adjusting slide block A (23); the cylinder body part of the electric telescopic rod B (34) is arranged on the support plate B (32), and the output rod of the electric telescopic rod B is fixedly connected with the angle adjusting slide block B (24).
4. The apparatus for welding stainless steel pipes with constant diameter according to claim 1, wherein the pipe welding positioning assembly comprises: an electric telescopic rod C (42) which is arranged on the synchronous rotating shaft A (21) by adopting a support plate A (31), and a positioning baffle plate (41) which is connected with an output rod of the electric telescopic rod C (42); when the center of the elliptical welding seam is positioned on the axes of the synchronous rotating shaft A (21) and the synchronous rotating shaft B (22), the positioning baffle (41) is just abutted against the stainless steel pipe A (11) and the stainless steel pipe B (12).
5. The apparatus for welding of skew stainless steel pipes of constant diameter according to claim 1, wherein said flexible welding drive assembly comprises: the device comprises a support plate C (51) fixedly arranged on the equipment frame (10), a fixing sleeve (52) with one end fixedly connected with the support plate C (51) and the other end connected with the welding head (29) in a sliding manner, a metal spring (53) arranged in the fixing sleeve (52) and with two ends respectively connected with the support plate C (51) and the welding head (29), a positioning column (54) fixedly arranged on the welding head (29), a winding motor (57) arranged on the support plate C (51), a winding wheel (56) fixedly arranged on an output shaft of the winding motor (57), and a flexible rope (55) with one end wound on the winding wheel (56) and the other end fixedly connected with the positioning column (54); the metal spring (53) is always in a compressed state.
6. The apparatus for welding stainless steel diagonal, constant diameter pipes according to claim 1, wherein said synchronous rotation drive assembly comprises: two driven gears (61) which are respectively fixedly arranged on the synchronous rotating shaft A (21) and the synchronous rotating shaft B (22), two intermediate shafts A (62) and two intermediate shafts B (65) which are rotatably arranged on the equipment frame (10), a speed reducing motor (69) arranged on the equipment frame (10), a driving gear (68) fixedly arranged on an output shaft of the speed reducing motor (69), an idler gear D (67) and an idler gear C (66) fixedly arranged on the intermediate shafts B (65), and an idler gear B (64) which is fixedly arranged on the intermediate shafts A (62) and is in meshing transmission with the idler gear C (66) and an idler gear A (63) which is in meshing transmission with the driven gears (61); the driving gear (68) is in meshed transmission with the idler gear D (67); the two middle shafts A (62) are splayed and symmetrical about the plane of the elliptic welding seam; the two intermediate axes B (65) are parallel to each other and symmetrical with respect to the plane of the oval weld.
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| CN202310005147.9A CN115673656B (en) | 2023-01-04 | 2023-01-04 | Welding device for oblique equal-diameter stainless steel pipes |
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| CN202310005147.9A CN115673656B (en) | 2023-01-04 | 2023-01-04 | Welding device for oblique equal-diameter stainless steel pipes |
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| CN115673656B CN115673656B (en) | 2023-04-25 |
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| CN115673656B (en) | 2023-04-25 |
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