CN111673339A - Welding device for inner weld seam - Google Patents
Welding device for inner weld seam Download PDFInfo
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- CN111673339A CN111673339A CN202010555049.9A CN202010555049A CN111673339A CN 111673339 A CN111673339 A CN 111673339A CN 202010555049 A CN202010555049 A CN 202010555049A CN 111673339 A CN111673339 A CN 111673339A
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- welding
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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
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0252—Steering means
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Abstract
The invention discloses a welding device for an inner side welding seam, which comprises a welding gun, a positioning component and a floating adjusting component, wherein the positioning component and the welding gun are connected to the floating adjusting component, the floating adjusting component drives the positioning component to be supported against the wall surfaces of two workpieces spliced into a joint to be welded, the floating adjusting component drives the welding gun and the positioning component to move synchronously, and the connecting line of the contact point of the positioning component and each workpiece wall surface and the working point of the welding gun is parallel to each workpiece wall surface. The welding device for the inner side welding seam has the advantages of simplicity, practicability, mechanical tracking of the welding seam, effective avoidance of welding defects, improvement of welding quality and the like.
Description
Technical Field
The invention relates to the technical field of welding, in particular to a welding device for an inner side welding line.
Background
With the development of automation degree, the requirement for flexible production of equipment is higher and higher. However, in the welding production process, the welding seam on the inner side of the box beam with a narrow section and a long length cannot be welded by using a conventional welding manipulator, the existing special gun head cannot meet the flexible production requirement, certain errors can occur during manual assembly, the automatic tracking of the welding seam cannot be realized in the existing automatic welding mode under the condition of errors, and welding defects such as welding deviation are easy to occur.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a welding device for an inner side welding line, which is simple and practical, mechanically tracks the welding line, effectively avoids welding defects and improves welding quality.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
the utility model provides a welding set for inboard welding seam, includes welder, still includes locating component and unsteady adjusting part, locating component and welder all connect on unsteady adjusting part, unsteady adjusting part orders about the locating component shore on two work piece walls of concatenation for treating the welded joint, unsteady adjusting part orders about welder and locating component synchronous motion, and the line of the contact point of locating component and each work piece wall and welder's operating point is on a parallel with each work piece wall.
As a further improvement of the above technical solution:
the positioning assembly comprises an auxiliary positioning piece, and the floating adjusting assembly further drives the auxiliary positioning piece to prop on at least one workpiece wall surface opposite to the workpiece wall surface spliced to be a joint to be welded.
The floating adjusting assembly comprises adjusting pieces which drive the positioning assembly and the welding gun to synchronously move along the vertical direction and the horizontal direction respectively.
The floating adjusting assembly comprises a fixed plate and a floating plate, the fixed plate and the floating plate are in floating fit along the vertical direction through a sliding block sliding rail pair arranged between the fixed plate and the floating plate, and a bottom surface positioning piece and a welding gun in the positioning assembly are both connected onto the floating plate.
The bottom surface positioning piece is a positioning wheel, the lowest point of the bottom surface positioning piece and the working point of the welding gun are located on the same horizontal plane, and the bottom surface positioning piece and the welding gun move along the floating plate and keep moving synchronously along the vertical direction.
The floating adjusting assembly comprises a floating plate, a driving piece and a connecting plate, the connecting plate and the floating plate are in floating fit along the horizontal direction through a sliding block sliding rail pair arranged between the floating plate and the driving piece, the driving piece is fixed on the floating plate along the horizontal direction, the driving end of the driving piece is connected with the connecting plate, and a side face positioning piece and a welding gun in the positioning assembly are connected onto the connecting plate.
The welding device for the inner side welding seam is provided with two welding guns, working points of the two welding guns are located on the same horizontal plane, the floating adjusting assembly comprises two driving pieces and two connecting plates, and the two welding guns are connected to one connecting plate respectively and driven by one driving piece respectively.
The floating plate is provided with a horizontal partition plate, the two driving pieces are respectively connected to the upper side and the lower side of the horizontal partition plate, and the driving ends of the two driving pieces are respectively located at the two ends of the horizontal partition plate.
The side positioning piece is a positioning wheel, the outermost point of the side positioning piece and the working point of the welding gun are located on the same vertical surface perpendicular to the driving piece, and the side positioning piece and the welding gun move along the connecting plate and keep moving synchronously along the horizontal direction.
Two straight lines which penetrate through the contact point of the positioning component and the wall surface of the workpiece and are perpendicular to the joint to be welded intersect to form an intersection point on the joint to be welded, and the floating adjusting component drives the welding gun to enable the working point of the welding gun to coincide with the intersection point and move synchronously.
Compared with the prior art, the invention has the advantages that:
the welding device for the inner side welding seam utilizes the floating adjusting component to adjust the position of the welding gun, so that the welding gun is always kept at the position of the joint to be welded. Specifically, a floating adjusting assembly is adopted to drive a positioning assembly to prop against two wall surfaces of two workpieces which are spliced to be welded joints, a welding gun and the positioning assembly are driven to move synchronously, and a connecting line of a contact point of the positioning assembly and each wall surface of the workpieces and a working point of the welding gun is parallel to each wall surface of the workpieces. When welding, the working point of the welding gun always follows the positioning component under the driving of the floating adjusting component, and the positioning component is in contact with the wall surface of the workpiece to be welded with the joint, so that the working point of the welding gun is kept on the joint to be welded. In the arrangement mode, even if errors occur during the splicing of the wall surfaces of the workpieces, the joints to be welded slightly deviate from preset positions, the welding gun can complete the welding of the welding seams due to the positioning and following effects of the positioning assembly and the floating adjusting assembly, welding defects such as welding deviation cannot occur, and the welding quality is effectively guaranteed.
Drawings
Fig. 1 to 2 are schematic views illustrating a use process of the welding apparatus for an inside weld of the present invention;
FIGS. 3 to 4 are schematic structural views of a welding apparatus for an inside weld of the present invention;
FIG. 5 is a schematic view of the positioning assembly in relation to the welding torch in the welding apparatus for an inside weld of the present invention.
Illustration of the drawings: 1. a welding gun; 11. a position adjustment member; 2. a positioning assembly; 21. a bottom surface positioning member; 22. a side positioning member; 23. a point of intersection; 3. a float adjustment assembly; 31. a fixing plate; 32. a floating plate; 321. a horizontal partition plate; 33. a drive member; 34. a connecting plate.
Detailed Description
In order to facilitate an understanding of the invention, the invention will be described more fully and in detail below with reference to the accompanying drawings and preferred embodiments, but the scope of the invention is not limited to the specific embodiments below.
Example (b):
as shown in fig. 3 and 4, the welding device for the inner side weld seam of the embodiment includes a welding gun 1, and further includes a positioning component 2 and a floating adjustment component 3, the positioning component 2 and the welding gun 1 are both connected to the floating adjustment component 3, the floating adjustment component 3 drives the positioning component 2 to be supported on two workpiece wall surfaces spliced to form a joint to be welded, the floating adjustment component 3 drives the welding gun 1 and the positioning component 2 to move synchronously, and a connection line between a contact point of the positioning component 2 and each workpiece wall surface and a working point of the welding gun 1 is parallel to each workpiece wall surface. When welding, as shown in fig. 1 and 2, the working point of the welding gun 1 always follows the positioning component 2 under the driving of the floating adjusting component 3, and the positioning component 2 contacts with the two wall surfaces of the workpieces spliced into a joint to be welded, so that the working point of the welding gun 1 is kept on the joint to be welded. In the arrangement mode, even if errors occur during the splicing of the wall surfaces of the workpieces, the joints to be welded slightly deviate from preset positions, the welding gun 1 can complete the welding of the welding seams due to the positioning and following effects of the positioning component 2 and the floating adjusting component 3, welding defects such as welding deviation cannot occur, and the welding quality is effectively guaranteed.
In this embodiment, the positioning assembly 2 includes an auxiliary positioning member, and the floating adjustment assembly 3 further drives the auxiliary positioning member to prop on at least one workpiece wall surface opposite to the workpiece wall surface spliced to the joint to be welded. The auxiliary positioning piece and the positioning component 2 opposite to the auxiliary positioning piece are supported inside the workpiece to be welded, a pressing force is further provided for the positioning component 2 opposite to the auxiliary positioning piece, the auxiliary positioning piece is enabled to be tightly attached to the wall surface of the workpiece, the welding gun 1 driven by the floating adjusting component 3 can be ensured to be tightly contacted with a seam to be welded along with the positioning component 2, the integral stability of the device in the welding process is ensured, and the welding quality is further improved.
In this embodiment, the floating adjustment assembly 3 includes an adjustment member that drives the positioning assembly 2 and the welding gun 1 to move synchronously along the vertical direction and the horizontal direction, and the overall movement of the working point of the welding gun 1 in the spatial position can be realized through the cooperation adjustment in the vertical direction and the horizontal direction. Moreover, the vertical and horizontal floating enables the pitch angle of the welding gun 1 not to change, the advancing angle in the welding process is ensured to be always consistent, the overall welding seam is kept highly consistent, and the strength and the quality of the welding seam are improved.
In this embodiment, the floating adjustment assembly 3 includes a fixed plate 31 and a floating plate 32, the fixed plate 31 and the floating plate 32 are in floating fit along a vertical direction through a pair of slide rails of a slide block arranged therebetween, and the bottom surface positioning member 21 and the welding gun 1 in the positioning assembly 2 are both connected to the floating plate 32. During welding, the floating plate 32 is automatically sunk in the vertical direction under the action of the gravity of the bottom surface positioning piece 21 and the welding gun 1 connected with the floating plate, so that the bottom surface positioning piece 21 and the welding gun 1 are attached to the bottom surface wall surface of the workpiece and float and move along with the fluctuation of the bottom surface wall surface.
In this embodiment, the bottom positioning member 21 is a positioning wheel, the lowest point of the bottom positioning member 21 and the working point of the welding gun 1 are located on the same horizontal plane, and the bottom positioning member 21 and the welding gun 1 move synchronously along the vertical direction along with the movement of the floating plate 32. In the welding process, the welding gun 1 is driven by the device integrally to move along with the joint to be welded, the positioning wheel is matched with the wall surface of the workpiece in a rolling mode, and compared with sliding fit, the problems that the friction force drives the workpiece to vibrate greatly, the welding is unstable and the like can be avoided.
In this embodiment, the floating adjustment assembly 3 includes a floating plate 32, a driving member 33 and a connecting plate 34, the connecting plate 34 and the floating plate 32 are in floating fit along the horizontal direction through a pair of slide rails disposed therebetween, the driving member 33 is fixed on the floating plate 32 along the horizontal direction, a driving end thereof is connected to the connecting plate 34, and the side positioning member 22 and the welding gun 1 in the positioning assembly 2 are connected to the connecting plate 34. During welding, the driving end of the driving part 33 drives the connecting plate 34 to drive the welding gun 1 and the side positioning part 22 to move along the horizontal direction until the side positioning part 22 props against the side wall of the workpiece to be welded, and at this time, the welding gun 1 is also located at the position of the welding seam.
In this embodiment, two welding guns 1 are arranged on the welding device for the inner-side weld seam, the working points of the two welding guns 1 are located on the same horizontal plane, the floating adjusting assembly 3 comprises two driving pieces 33 and two connecting plates 34, and the two welding guns 1 are respectively connected to one connecting plate 34 and are respectively driven by one driving piece 33. The arrangement mode can weld the welding seams on two sides simultaneously, improves the welding efficiency, enables the side positioning pieces 22 on the two connecting plates 34 to be mutually used as auxiliary positioning pieces to stably support, and improves the welding quality. In other embodiments, an auxiliary positioning element opposite to the bottom positioning element 21 may be disposed above the device, which is not described herein, but should be regarded as a simple replacement in this embodiment.
In this embodiment, be equipped with a horizontal baffle 321 on the floating plate 32, two driving pieces 33 are connected respectively in the upper and lower both sides of horizontal baffle 321, and the drive end of two driving pieces 33 is located the both ends of horizontal baffle 321 respectively for two driving pieces 33 are at the coincidence of vertical direction upper space, avoid occupying too much horizontal space, thereby can be applicable to the inside weld joint welding of narrower and smaller work piece.
In this embodiment, the side positioning element 22 is a positioning wheel, the outermost point of the side positioning element 22 and the working point of the welding gun 1 are located on the same vertical plane perpendicular to the driving element 33, and the side positioning element 22 and the welding gun 1 move along the connecting plate 34 and keep moving synchronously along the horizontal direction. In the welding process, the welding gun 1 is driven by the device integrally to move along with the joint to be welded, the positioning wheel is matched with the wall surface of the workpiece in a rolling mode, and compared with sliding fit, the problems that the friction force drives the workpiece to vibrate greatly, the welding is unstable and the like can be avoided.
In the embodiment, as shown in fig. 5, two straight lines which pass through the contact point between the positioning component 2 and the wall surface of the workpiece and are perpendicular to the joint to be welded intersect at the joint to be welded to form an intersection point 23, and the floating adjustment component 3 drives the welding gun 1 to make the working point coincide with the intersection point 23 and move synchronously. Namely, the two positioning points of the positioning component 2 and the working point of the current welding gun 1 are positioned on the same plane vertical to the welding seam, the positioning welding mode further avoids the problem of welding seam deviation caused by bumpiness or deformation of the surface of a workpiece, and the welding precision and the welding seam quality are further improved.
In this embodiment, a position adjusting member 11 for adjusting the horizontal position of the welding gun 1 is disposed between the welding gun 1 and the connecting plate 34, and before welding, the horizontal position of the welding gun 1 can be adjusted by the position adjusting member 11, so as to ensure that the working point of the welding gun 1 and the outermost point of the side positioning member 22 are on the same vertical plane.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-described embodiments. It should be apparent to those skilled in the art that modifications and variations can be made without departing from the technical spirit of the present invention.
Claims (10)
1. A welding device for an inside weld, comprising a welding gun (1), characterized in that: still include locating component (2) and unsteady adjusting part (3), locating component (2) and welder (1) are all connected on unsteady adjusting part (3), unsteady adjusting part (3) order about locating component (2) shore on two work piece walls of seam are treated welding in the concatenation, unsteady adjusting part (3) order about welder (1) and locating component (2) synchronous motion, and the line of the contact point of locating component (2) and each work piece wall and the operating point of welder (1) is on a parallel with each work piece wall.
2. The welding device for inside weld according to claim 1, characterized in that: locating component (2) includes auxiliary positioning spare, floating adjusting component (3) still order about auxiliary positioning spare shore on at least one and the concatenation is the work piece wall relative for waiting to weld the seam.
3. The welding device for inside weld according to claim 1, characterized in that: the floating adjusting assembly (3) comprises adjusting pieces which drive the positioning assembly (2) and the welding gun (1) to synchronously move along the vertical direction and the horizontal direction respectively.
4. The welding device for an inside weld according to any one of claims 1 to 3, characterized in that: the floating adjusting assembly (3) comprises a fixed plate (31) and a floating plate (32), the fixed plate (31) and the floating plate (32) are matched with each other in a floating mode along the vertical direction through a sliding block sliding rail pair arranged between the fixed plate and the floating plate, and a bottom surface positioning piece (21) and a welding gun (1) in the positioning assembly (2) are connected to the floating plate (32).
5. The welding device for inside weld according to claim 4, characterized in that: the bottom surface positioning piece (21) is a positioning wheel, the lowest point of the bottom surface positioning piece (21) and the working point of the welding gun (1) are located on the same horizontal plane, and the bottom surface positioning piece (21) and the welding gun (1) move along the floating plate (32) and keep moving synchronously along the vertical direction.
6. The welding device for an inside weld according to any one of claims 1 to 3, characterized in that: the floating adjusting assembly (3) comprises a floating plate (32), a driving piece (33) and a connecting plate (34), the connecting plate (34) and the floating plate (32) are matched in a floating mode along the horizontal direction through a sliding block sliding rail pair arranged between the two, the driving piece (33) is fixed on the floating plate (32) along the horizontal direction, the driving end of the driving piece is connected with the connecting plate (34), and a side positioning piece (22) and a welding gun (1) in the positioning assembly (2) are connected onto the connecting plate (34).
7. The welding device for inside welds according to claim 6, characterized in that: the welding device for the inner side welding seam is provided with two welding guns (1), working points of the two welding guns (1) are located on the same horizontal plane, the floating adjusting assembly (3) comprises two driving pieces (33) and two connecting plates (34), and the two welding guns (1) are connected to one connecting plate (34) respectively and driven by one driving piece (33) respectively.
8. The welding device for inside welds according to claim 7, characterized in that: the floating plate (32) is provided with a horizontal partition plate (321), the two driving pieces (33) are connected to the upper side and the lower side of the horizontal partition plate (321) respectively, and the driving ends of the two driving pieces (33) are located at two ends of the horizontal partition plate (321) respectively.
9. The welding device for inside welds according to claim 6, characterized in that: the side positioning piece (22) is a positioning wheel, the outermost point of the side positioning piece (22) and the working point of the welding gun (1) are located on the same vertical surface perpendicular to the driving piece (33), and the side positioning piece (22) and the welding gun (1) move along the connecting plate (34) and keep moving synchronously along the horizontal direction.
10. The welding device for an inside weld according to any one of claims 1 to 3, characterized in that: two straight lines which penetrate through the contact point of the positioning component (2) and the wall surface of the workpiece and are perpendicular to the joint to be welded intersect to form an intersection point (23) on the joint to be welded, and the floating adjusting component (3) drives the welding gun (1) to enable the working point of the welding gun to coincide with the intersection point (23) and move synchronously.
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CN202010555049.9A CN111673339B (en) | 2020-06-17 | 2020-06-17 | Welding device for inner weld seam |
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Cited By (1)
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CN114406560A (en) * | 2022-02-11 | 2022-04-29 | 湖北天高钢桥智造科技有限公司 | Double-head interval stepless adjustable welding trolley for longitudinal seam of plate unit |
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