CN115255743B - Welding platform for thin steel plate welding and using method thereof - Google Patents

Welding platform for thin steel plate welding and using method thereof Download PDF

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Publication number
CN115255743B
CN115255743B CN202211171335.0A CN202211171335A CN115255743B CN 115255743 B CN115255743 B CN 115255743B CN 202211171335 A CN202211171335 A CN 202211171335A CN 115255743 B CN115255743 B CN 115255743B
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Prior art keywords
welding
platform
sliding
thin steel
sliding body
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CN202211171335.0A
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CN115255743A (en
Inventor
兰涛
高睿祥
张黎明
李然
秦广冲
薛辰
李泽旭
刘鑫
门进杰
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Csic International Engineering Co ltd
Xian University of Architecture and Technology
Qingdao University of Technology
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Csic International Engineering Co ltd
Xian University of Architecture and Technology
Qingdao University of Technology
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Priority to CN202211171335.0A priority Critical patent/CN115255743B/en
Publication of CN115255743A publication Critical patent/CN115255743A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/0408Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work for planar work
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00Articles made by soldering, welding or cutting
    • B23K2101/18Sheet panels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00Materials to be soldered, welded or cut
    • B23K2103/02Iron or ferrous alloys
    • B23K2103/04Steel or steel alloys

Abstract

The invention discloses a welding platform for welding thin steel plates and a using method thereof. The welding platform includes: the fixed platform comprises a platform body and end supports positioned at two ends of the platform body, wherein the platform body is provided with a vertically-through separation seam which extends along a first direction and has a length not less than the length of a thin steel plate welding seam; the sliding platform is used for placing two thin steel plates to be welded, is provided with two groups, is arranged on two sides of a separation seam on the platform body, can slide on the platform body along a second direction, and is provided with a limiting mechanism; a clamp assembly clamping the thin steel sheets to be welded from both ends in a first direction; and the welding auxiliary mechanism is arranged on two sides of the fixed platform in a sliding mode along the second direction, is pressed on the thin steel plates to be welded and can slide on the sliding platform along the first direction. The invention can effectively reduce the welding deformation generated by the thin steel plate welding, plays a role in preventing deformation while welding in the welding process, and improves the precision of the thin steel plate welding and the welding efficiency.

Description

Welding platform for thin steel plate welding and using method thereof
Technical Field
The invention relates to the technical field of steel plate welding, in particular to a steel plate welding and fixing device, and particularly relates to a welding platform for thin steel plate welding and a using method thereof.
Background
In the process of welding the thin steel plates, the welding causes uneven local heating of the thin steel plates, so that welding deformation of the thin steel plates occurs in the welding process, and the curling phenomenon of the thin steel plates occurs. The second order effect caused by welding deformation can cause the reduction of the bearing capacity of the thin steel plate, and the welding deformation causes the great reduction of the structural installation precision.
In the prior art, the deformation phenomenon of the steel sheet is usually solved by reducing the bulging phenomenon of the steel sheet by pressing a rigidly fixed pressing block directly to the periphery of the weld, and the method of reducing the welding deformation by increasing the rigidity of the steel sheet can reduce the deformation during the welding of the steel sheet, but the accuracy of preventing the deformation is not high, and the deformation still exists during the welding.
Therefore, there is a need for a welding platform capable of fixing the deformation generated by welding the thin steel plates while welding, which can greatly improve the installation precision and well control the welding deformation.
Disclosure of Invention
In view of the defects of the prior art, the main object of the present invention is to provide a welding platform for welding thin steel plates and a method for using the same, so as to solve the problems of low welding precision of the thin steel plates and easy deformation in the welding process in the prior art.
The technical scheme of the invention is as follows:
the invention firstly provides a welding platform for welding thin steel plates, which comprises: the fixed platform comprises a platform body and end supports positioned at two ends of the platform body, wherein the platform body is provided with a vertically-through separation seam which extends along a first direction and has a length not less than the length of a thin steel plate welding seam; the sliding platform is used for placing two thin steel plates to be welded, is provided with two groups, is arranged on the two sides of the separation seam on the platform body, and can slide on the platform body along a second direction, and is provided with a limiting mechanism for adjusting and fixing the width of a welding seam required by thin steel plate welding; a clamp assembly clamping the thin steel sheets to be welded from both ends in the first direction; and the welding auxiliary mechanisms are arranged on two sides of the fixed platform along the second direction and pressed on the thin steel plates to be welded, can slide on the sliding platform along the first direction, and are used for assisting in welding the thin steel plates and pressing and fixing the thin steel plates while welding.
In some embodiments, the welding assist mechanism includes a first sliding body and a second sliding body symmetrically disposed on the sliding platform along a separation seam on both sides and butted together at the separation seam.
In some embodiments, the first sliding body and the second sliding body are composed of a sliding frame, a motor, a linkage rod, a roller and a pressing block, the sliding frame is connected to a fixed platform on one side, away from the separation seam, of the sliding platform in a clamping mode, the motor is installed in the sliding frame, the motor is connected with the linkage rod, the roller and the pressing block are installed on the linkage rod, the roller and the pressing block are pressed on the thin steel plate in a pressure equalizing mode, and the pressing block is arranged at the welding seam of the thin steel plate.
In some embodiments, the welding assisting mechanism further includes a third sliding body and a fourth sliding body, the third sliding body and the fourth sliding body are respectively disposed at lower portions of the first sliding body and the second sliding body, the third sliding body and the first sliding body are fixed by being connected by bolts in a vertical direction, and the fourth sliding body and the second sliding body are fixed by being connected by bolts in the vertical direction.
In some embodiments, four corners of the bottom of the fixed platform are provided with bottom supports, and the bottom supports are liftable supports for adjusting the height of the welding platform.
In some embodiments, the welding platform further comprises a welding mechanical arm, wherein the welding mechanical arm is mounted on the upper surface of the pressing block and faces to one side of the welding seam, and is used for welding the welding seam of the thin steel plates.
In some embodiments, the welding auxiliary mechanism further comprises a welding gun positioning box, the welding gun positioning box is pressed on the two thin steel plates at the welding seam and connected with the pressing blocks of the first sliding body and the second sliding body, and a welding gun positioning hole is formed in the welding gun positioning box and corresponds to the welding seam.
In some embodiments, the limiting mechanisms are disposed on two sides of the sliding platform far away from the separation seam, and each limiting mechanism includes a spring and a telescopic column, the spring is disposed on an outer surface of the telescopic column, one end of the telescopic column is mounted on the fixed platform through a baffle, and the other end of the telescopic column extends into the sliding platform and can slide and be fixed in the sliding platform along a second direction.
In some embodiments, one end of the telescopic column extending into the sliding platform is provided with a telescopic spring head, and the telescopic spring head can be clamped in the sliding platform by pushing the sliding platform, so as to fix the width of the weld seam between the two sets of sliding platforms.
The invention also provides a use method of the welding platform for welding the thin steel plates, which comprises the following steps: s1: moving a sliding platform arranged on a fixed platform, adjusting the width of a welding seam required by welding the thin steel plate, and fixing the adjusted sliding platform through a limiting mechanism; s2: placing the thin steel plate on a sliding platform and clamping the thin steel plate through a clamp assembly; s3: a motor is arranged in the sliding frame, and a linkage rod, a roller and a pressing block are assembled to form a first sliding body and a second sliding body; s4: installing a first sliding body and a second sliding body on the fixed platform, and splicing the first sliding body and the second sliding body together to form a welding gun positioning box; s5: a welding mechanical arm is arranged on the pressing block; s6: the starting motor drives the first sliding body, the second sliding body and the welding gun positioning box to move forwards, and the welding mechanical arm penetrates through the welding gun positioning hole to automatically weld the thin steel plate.
Compared with the prior art, the invention has the beneficial effects that: the invention provides a welding platform for welding thin steel plates and a using method thereof, wherein the welding platform can effectively reduce welding deformation generated by welding the thin steel plates, plays a role in preventing deformation while welding in the welding process, avoids the thin steel plates from curling, improves the welding accuracy of the thin steel plates and improves the welding efficiency of the thin steel plates. Specifically, at least one or more of the following practical effects are achieved:
the platform body of the fixed platform is provided with a vertically-through separation seam which extends along the first direction and has a length not less than the length of the welding seam of the thin steel plate, and the separation seam is arranged to avoid welding on the fixed platform during the welding of the thin steel plate.
Two sides of the upper end welding seam of the fixed platform are respectively provided with a group of sliding platforms, the sliding platforms are used for placing two thin steel plates, and the sliding platforms are provided with limiting mechanisms which can adjust and fix the welding seam width required by welding the two thin steel plates.
The welding auxiliary mechanism is pressed on the two thin steel plates and can slide on the sliding platform along the welding direction, and the welding auxiliary mechanism plays a role in welding and fixing at the same time in the welding process, so that the bulging of the thin steel plates can be avoided, and the welding deformation generated by the welding of the thin steel plates is effectively reduced.
Welding complementary unit that first slider and second slider are constituteed drives actuating lever and drive gear through the motor that sets up in the slip frame, and drive gear drives driven gear, and driven gear drives the gyro wheel rotation on the driven lever and then drives the briquetting and move forward, utilizes the welding arm to weld at the in-process that moves forward, and whole welding process is realized through automatic procedure, improves sheet steel welded accuracy, plays the effect that the limit welding limit prevented deformation simultaneously.
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 embodiments can be derived from the drawings provided 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 that those skilled in the art can understand and read the present invention, and do not limit the conditions for implementing the present invention, 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 functions and purposes of the present invention, shall fall within the scope covered by the technical contents disclosed in the present invention.
FIG. 1 is a schematic diagram of an overall structure of a welding platform according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a sliding platform according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a first sliding body (a second sliding body) according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a third sliding body (a fourth sliding body) according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of a welding assistance mechanism according to an embodiment of the present invention;
FIG. 6 is a cross-sectional view of a bonding platform according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention are described in further detail below with reference to the embodiments and the accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.
In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
It is to be understood that the terms "comprises/comprising," "consists of/8230; \8230"; "consists of," or any other variation, are intended to cover a non-exclusive inclusion, such that a product, device, process, or method that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such product, device, process, or method as may be desired. Without further limitation, an element defined by the phrases "comprising/including 8230; \8230;" comprising 8230; "\8230;" by 82308230; "comprising" does not exclude the presence of additional identical elements in a product, device, process, or method comprising the recited element.
It will be further understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the invention and to simplify the description, and do not indicate or imply that the device, component, or structure referred to must have a particular orientation, be constructed or operated in a particular orientation, and are not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The invention discloses a welding platform for welding thin steel plates, which can fix the welding position of the thin steel plates while welding, avoid the curling phenomenon of the thin steel plates during welding, greatly improve the welding precision and simultaneously well control the deformation generated by the welding of the thin steel plates.
The following describes the implementation of the present invention in detail with reference to preferred embodiments.
As shown in fig. 1 and fig. 2, the present invention provides a welding platform for welding thin steel plates, which comprises a fixed platform 1, a sliding platform 2, a clamp assembly and a welding auxiliary mechanism. Wherein, the first and the second end of the pipe are connected with each other,
the fixed platform 1 comprises a platform body 101 and end supports 102 positioned at two ends of the platform body 101, wherein a vertically through separation seam 103 which extends along a first direction and has a length not less than the length of a welding seam 401 of the thin steel plate 4 is arranged on the platform body 101.
In the present invention, the separation slit 103 is provided on the platform body 101 between the two end supports 102 and is provided perpendicular to the end supports 102.
Preferably, the separation seam 103 is provided in the middle of the platform body 101 corresponding to the weld seam 401 of the two steel sheets 4 to be welded, and the width of the separation seam 103 is not less than the width of the weld seam 401 of the two steel sheets 4 to be welded.
The present invention provides the separation seam 103 to prevent the thin steel plate 4 from being welded to the platform body 101 when welded.
Referring to fig. 2, the sliding platform 2 is used for placing two thin steel plates 4 to be welded, the sliding platform 2 has two sets, is disposed on the platform body 101 at two sides of the separation seam 103, and can slide on the platform body 101 along the second direction, and the sliding platform 2 is provided with a limiting mechanism 201 for fixing the adjusted distance between the sliding platforms 2, i.e. the width of the welding seam 401 required for welding the thin steel plates 4.
In specific implementation, after the width of the welding seam 401 required by the welding of the thin steel plates 4 is determined, each group of sliding platforms 2 is pushed to adjust the distance between the sliding platforms 2 to meet the width of the welding seam 401 required by the welding of the thin steel plates 4, the width of the welding seam 401 required by the welding of the thin steel plates 4 is fixed through the limiting mechanism 201, and finally two thin steel plates 4 to be welded are placed on the sliding platforms 2.
The clamp assemblies clamp the thin steel sheets 4 to be welded from both ends in the first direction.
The welding auxiliary mechanisms are arranged on two sides of the fixed platform 1 in a sliding mode along the second direction and press the thin steel plates 4 to be welded, and the welding auxiliary mechanisms can slide on the sliding platform 2 along the first direction.
It should be understood that the first direction referred to herein is a welding direction of the two steel sheets 4 to be welded, and the second direction is a direction perpendicular to the first direction.
In the invention, the welding auxiliary mechanism is pressed on the two thin steel plates 4 and can slide on the sliding platform 2 along the welding direction, and plays a role in fixing the thin steel plates 4 while welding in the welding process, thereby effectively reducing the welding deformation generated by welding the thin steel plates 4 and improving the welding accuracy of the thin steel plates 4.
In some embodiments, referring to fig. 1, the jig assembly includes a plurality of welding jigs 3, and a plurality of the welding jigs 3 are symmetrically disposed on the end supports 102 at both ends of the platform body 101. It should be understood that the number and size of the welding jigs 3 is not specifically limited in the present invention, and is determined according to the size of the steel sheets 4 to be welded.
Preferably, the welding fixture 3 is fixedly connected to an end support 102, which is provided with a cylindrical threaded fastener towards one end of the sheet steel 4, by tightening which the sheet steel 4 to be welded is clamped.
In some embodiments, with continued reference to fig. 1, the welding assistance mechanism includes a first slider body and a second slider body that are symmetrically disposed on the sliding platform 2 along both sides of the separation seam 103. The first sliding body and the second sliding body are respectively pressed on the two thin steel plates 4 to be welded and can slide on the sliding platform 2 along the welding direction, and the first sliding body and the second sliding body play a role in fixing the thin steel plates 4 while welding in the welding process.
Referring to fig. 3, the first sliding body and the second sliding body have the same structure and are composed of a sliding frame 5, a motor 6, a linkage rod, a roller 11 and a pressing block 12. The sliding frame 5 is connected to the fixed platform 1 on one side, far away from the separation seam 103, of the sliding platform 2 in a clamping mode, the motor 6 is installed in the sliding frame 5, the motor 6 is connected with the linkage rod, the roller 11 and the pressing block 12 are sequentially connected to the linkage rod, the roller 11 and the pressing block 12 are pressed on the thin steel plate 4 in a pressure equalizing mode, and the pressing block 12 is arranged at the welding seam 401 of the thin steel plate 4.
Preferably, the driving mode of the motor 6 to the linkage rod can be as follows: the motor 6 is connected with the driving rod 7, the driving rod 7 is connected with the driving gear 8, the driving gear 8 is meshed with the driven gear 9, the driven gear 9 is connected with the driven rod 10, the driven rod 10 is sequentially provided with the roller 11, and one side of the driven rod 10 close to the welding seam is connected with the pressing block 12.
According to the invention, each component of the first sliding body and the second sliding body is independently arranged, the driving rod 7 drives the driving gear 8, the driving gear 8 is meshed with the driven gear 9, the driven gear 9 drives the driven rod 10, the driven rod 10 drives the roller 11 and the pressing block 12 on the driven rod, each component is independently arranged, so that the disassembly and the assembly of each component are convenient, and the welding efficiency is improved.
The pressing blocks 12 are provided at the welded joints 401 of the steel sheets 4 in order to ensure that the edges of the two steel sheets 4 to be welded are pressed when the steel sheets 4 are welded, and prevent the steel sheets 4 from being deformed due to curling when the steel sheets 4 are welded.
Preferably, the roller 11 is a rubber-covered roller, which is in direct contact with the thin steel plate 4 and starts to roll along the surface of the thin steel plate 4 under the driving of the motor 6, the driving gear 7, the driven gear 9 and the driven rod 10, and a static friction force is generated between the rubber and the thin steel plate 4 to drive the whole sliding body to move forward.
Preferably, the compact 12 is a rigid compact.
Preferably, the lower surface of the rigid body block is provided with a sliding roller (not shown) which contacts the upper surface of the thin steel plate 4 to facilitate the forward sliding of the rigid body block.
In some embodiments, the motor 6 may be connected to one, two, three or more driving rods 7, and each driving rod 7 is connected to one driving gear 8, one driven gear 9 and one driven rod 10 in sequence, the driven rod 10 is connected to the roller 11 and the pressing block 12, and the roller 11 connected to each driven rod 10 is plural.
Preferably, the motor 6 is connected with three driving rods 7, each driving rod 7 is connected with a driving gear 8, a driven gear 9 and a driven rod 10 in sequence, and each driven rod 10 is provided with two rollers 11 and a pressing block 12. This enables the first slider and the second slider to slide more stably on the thin steel plate 4.
In some embodiments, referring to fig. 4 and 5, the welding assisting mechanism further includes a third sliding body and a fourth sliding body, the third sliding body and the fourth sliding body are respectively disposed at lower facing positions of the first sliding body and the second sliding body, the third sliding body and the first sliding body are fixedly connected by a bolt 17 in a vertical direction, and the fourth sliding body and the second sliding body are fixedly connected by a bolt 17 in the vertical direction.
In the invention, the third sliding body and the fourth sliding body are arranged to be capable of being vertically clamped with the first sliding body and the second sliding body, so that the whole sliding body is firmly installed, and the thin steel plates 4 can be welded at the bottom of the fixed platform 1, so that the welding of two groups of thin steel plates 4 can be completed at one time, and the welding efficiency of the thin steel plates 4 is improved.
In a specific embodiment, the third sliding body and the fourth sliding body have the same structure as the first sliding body and the second sliding body, and are composed of a sliding frame 5, a motor 6, a driving rod 7, a driving gear 8, a driven gear 9, a driven rod 10, a roller 11 and a pressing block 12, the sliding frame 5 is connected to the fixed platform 1 on the side of the sliding platform 2 away from the separation seam 103, the motor 6 is installed in the sliding frame 5, the motor 6 is connected to the driving rod 7, the driving rod 7 is connected to the driving gear 8, the driving gear 8 is engaged with the driven gear 9, the driven gear 9 is connected to the driven rod 10, the roller 11 and the pressing block 12 are sequentially connected to the driven rod 10, the roller 11 and the pressing block 12 are pressed on the thin steel plate 4 at the welding seam 401, and the pressing block 12 is disposed at the edge of the welding seam 401 near the welding seam 401.
Preferably, the sliding frame 5 of the third sliding body and the sliding frame 5 of the first sliding body are connected and fixed by bolts 17, and the sliding frame 5 of the fourth sliding body and the sliding frame 5 of the second sliding body are connected and fixed by bolts 17, and during welding, the first sliding body, the third sliding body, the second sliding body and the fourth sliding body move forward integrally, and the thin steel plate 4 is welded integrally and simultaneously.
In another embodiment, referring to fig. 4, the third sliding body and the fourth sliding body are identical in structure and each composed of a sliding frame 5, a driven rod 10, a roller 11 and a pressing block 12, the sliding frame 5 is connected with the driven rod 10, the roller 11 and the pressing block 12 are sequentially connected with the driven rod 10, and the third sliding body and the fourth sliding body are respectively connected with the sliding frame 5 of the first sliding body and the sliding frame 5 of the second sliding body through bolts 17 through the sliding frame 5.
In the invention, the third sliding body and the fourth sliding body are not provided with the motor 6, the first sliding body drives the third sliding body to slide forwards, and the second sliding body drives the fourth sliding body to slide forwards.
Preferably, the first sliding body and the second sliding body are butted with each other at the upper part of the fixed platform 1, and the third sliding body and the fourth sliding body are butted with each other at the lower part of the fixed platform 1. After butt joint, the sliding bodies can be connected with each other, for example, welded and fixed, but preferably, the sliding bodies are detachably connected, or are not connected, and only butt joint is performed, so that the sliding bodies can be directly detached after welding is completed.
In some embodiments, referring to fig. 1 and 6, the fixed platform 1 is provided with bottom supports 16 at four corners of the bottom.
Preferably, the bottom support 16 is composed of a rectangular pad and a cylindrical support plate, the lower portion of the cylindrical support plate is connected to the rectangular pad, and the upper portion of the cylindrical support plate is connected to the bottom of the fixed platform 1, so as to ensure that the third sliding body and the fourth sliding body arranged on the lower portion of the fixed platform 1 can slide normally.
Preferably, the bottom support 16 is a liftable support, and the height of the welding platform can be adjusted as required, especially when the welding platform needs to be welded from the lower part at the same time, the height of the welding platform can be adjusted through the liftable support so as to facilitate welding.
In some embodiments, referring to fig. 5 and 6, the welding platform further includes a welding robot arm 13, and the welding robot arm 13 is mounted on the upper surface of the rigid pressing piece of the first sliding body or the second sliding body and disposed toward the side of the weld 401 of the thin steel plate 4, for welding the weld 401 of the thin steel plate 4.
Preferably, the welding robot 13 is linked with the motor 6 through an automated computer program, so as to perform the function of moving while welding.
In some embodiments, with continued reference to fig. 5 and 6, the welding platform further comprises a welding torch positioning box 14, the welding torch positioning box 14 is a U-shaped box body, and the lower part of the U-shape is respectively pressed on the two thin steel plates 4 at the welding seam 401. Preferably, this welder location box 14 is split type structure, by controlling two butt joints and forming, wherein one can be the bar shaped plate, and another is the L shaped plate, perhaps two L shaped plates for the symmetry, as long as can form the U type box body after the butt joint.
In addition, as mentioned above, the two plates can be connected after butt joint, for example, welded and fixed, preferably, the two plates are not connected, and the two plates can be directly butt-jointed, so that the design is convenient for disassembling each sliding body after welding is completed.
One of the driven rods is connected with the end part of the driven rod 10 of the first sliding body and/or the third sliding body, the other driven rod is connected with the end part of the driven rod 10 of the second sliding body and/or the fourth sliding body, and the two driven rods are butted to form a U-shaped box body and are positioned between the first sliding body and the second sliding body or between the third sliding body and the fourth sliding body. Preferably, the welding gun positioning box 14 is provided with a welding gun positioning hole 15, the welding gun positioning hole 15 corresponds to the welding seam 401 of the thin steel plate 4, and the welding gun positioning hole 15 is used for placing the welding mechanical arm 13 or positioning the handheld welding gun for welding.
In the invention, in order to ensure that the thin steel plate 4 can be welded at the bottom of the fixed platform 1, a third sliding body and a fourth sliding body are arranged, and a group of welding mechanical arms 13 and a welding gun positioning box 14 with a welding gun positioning hole 15 are arranged at the bottom of the fixed platform 1.
Preferably, the welding mechanical arm 13 and the welding gun positioning box 14 with the welding gun positioning hole 15 arranged below the welding platform are arranged at the same position and in the same manner as the welding mechanical arm 13 and the welding gun positioning box 14 with the welding gun positioning hole 15 arranged above the welding platform. The invention is not described in detail here.
In some embodiments, referring to fig. 2, the limiting mechanism 201 is disposed on two sides of the sliding platform 2 away from the separating slit 103, and includes a spring and a telescopic column, the spring is disposed on an outer surface of the telescopic column, one end of the telescopic column is mounted on the fixed platform 1 through a baffle, and the other end of the telescopic column extends into the sliding platform 2 and can slide and be fixed back and forth in the sliding platform 2.
Preferably, two sets of springs and telescopic columns are provided on both sides of the sliding platform 2 remote from the separation slit 103.
Preferably, one end of the telescopic column extending into the sliding platform 2 is provided with a telescopic spring head, the sliding platform 2 is correspondingly provided with a plurality of continuous clamping grooves (not shown in the figure), and the sliding platform 2 is pushed to enable the telescopic spring head on the telescopic column to be clamped in the clamping grooves in the sliding platform 2, so that the purposes of changing the width of the welding seam 401 and temporarily fixing the welding seam are achieved.
During the concrete implementation, under the normal condition, two sets of sliding platform 2 are in the separation seam 103 department next-door neighbour setting of platform body 101, when confirming the required welding seam 401 width of sheet steel 4 welding, promote sliding platform 2 through the extrusion spring to the baffle one side of flexible post, make the interval between two sets of sliding platform 2 grow, when the interval of sliding platform 2 in separation seam 103 department reaches the required welding seam 401 width of sheet steel 4 welding, fix this sliding platform 2 on the draw-in groove of sliding platform 2 through the scalable spring head card on the flexible post.
According to the invention, the springs are arranged on the outer surfaces of the telescopic columns, the telescopic spring heads on the telescopic columns are clamped on the clamping grooves in the sliding platform 2 by extruding the springs, and then the width of the welding seam 401 required by welding the two thin steel plates 4 is fixed, the telescopic columns can be clamped with the sliding platform 2 more firmly and stably by arranging the springs, the telescopic columns are prevented from shaking in the sliding platform 2, and the width of the welding seam 401 adjusted by the sliding platform 2 is more accurate.
The invention discloses a welding platform for welding thin steel plates. The welding platform can effectively reduce welding deformation generated by welding the thin steel plates, plays a role in preventing deformation while welding in the welding process, improves the accuracy and the efficiency of welding the thin steel plates, and improves the automation degree of welding.
It should be understood that the implementation of any embodiment of the present invention is not intended to achieve or achieve many or all of the above-described benefits simultaneously.
The invention also discloses a use method of the welding platform for welding the thin steel plates 4, the use method is simple to operate, the two thin steel plates 4 can be welded and fixed at the same time in the use process, and the installation precision is greatly improved. The method comprises the following specific steps:
s1: moving the sliding platform 2 arranged on the fixed platform 1, adjusting the width of a welding seam 401 required by welding the thin steel plate 4, and fixing the adjusted sliding platform 2 through a limiting mechanism 201;
s2: placing the thin steel plate 4 on the sliding platform 2 and clamping the thin steel plate 4 through a clamp assembly;
s3: installing a welding auxiliary mechanism, namely installing a first sliding body and a second sliding body, firstly clamping a sliding frame 5 on a fixed platform 1 on one side of a sliding platform 2 far away from a separation seam 103, installing a motor 6 on the inner side of the sliding frame 5, connecting the motor 6 with a driving rod 7, connecting the driving rod 7 with a driving gear 8, engaging the driving gear 8 with a driven gear 9, connecting the driven gear 9 with a driven rod 10, installing a roller 11 and a pressing block 12 which are contacted with the surface of the thin steel plate 4 on the driven rod 10, and installing the pressing block 12 at a welding seam 401 of the thin steel plate 4;
s4: a welding mechanical arm 13 is arranged on the pressing block 12, a welding gun positioning box 14 with a welding gun positioning hole 15 is arranged at the welding seam 401 of the two thin steel plates 4 relative to the welding mechanical arm 13, and the welding gun positioning box 14 is connected with the pressing block 12 of the first sliding body and the pressing block 12 of the second sliding body;
s5: the starting motor 6 drives the first sliding body, the second sliding body and the welding gun positioning box 14 to move forwards, and the welding mechanical arm 13 penetrates through the welding gun positioning hole 15 to automatically weld the thin steel plate 4.
It will be readily appreciated by those skilled in the art that the various preferences described above may be freely combined, superimposed without conflict.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (8)

1. A welding platform for welding of thin steel sheets, comprising:
the fixed platform comprises a platform body and end supports positioned at two ends of the platform body, wherein the platform body is provided with a vertically-through separation seam which extends along a first direction and has the length not less than the length of a thin steel plate welding seam;
the sliding platform is used for placing two thin steel plates to be welded, is provided with two groups, is arranged on the two sides of the separation seam on the platform body, and can slide on the platform body along a second direction, and is provided with a limiting mechanism for adjusting and fixing the width of a welding seam required by thin steel plate welding;
a clamp assembly clamping the thin steel sheets to be welded from both ends in the first direction;
the welding auxiliary mechanisms are arranged on two sides of the fixed platform along the second direction and pressed on the thin steel plates to be welded, can slide on the sliding platform along the first direction, and are used for assisting in welding the thin steel plates and pressing and fixing the thin steel plates while welding;
the welding auxiliary mechanism comprises a first sliding body and a second sliding body, wherein the first sliding body and the second sliding body are symmetrically arranged on the sliding platform along two sides of a separation seam and are butted together at the separation seam;
the first sliding body and the second sliding body are composed of a sliding frame, a motor, a linkage rod, a roller and a pressing block, the sliding frame is connected to a fixed platform on one side, away from the separation seam, of the sliding platform in a clamping mode, the motor is installed in the sliding frame and connected with the linkage rod, the roller and the pressing block are installed on the linkage rod, the roller and the pressing block are pressed on the thin steel plate in a pressure sharing mode, and the pressing block is arranged at the welding seam of the thin steel plate.
2. The welding platform of claim 1, wherein:
the welding auxiliary mechanism further comprises a third sliding body and a fourth sliding body, the third sliding body and the fourth sliding body are arranged on the lower portions of the first sliding body and the second sliding body respectively, the third sliding body and the first sliding body are fixedly connected through bolts in the vertical direction, and the fourth sliding body and the second sliding body are fixedly connected through bolts in the vertical direction.
3. The welding platform of claim 1, wherein:
the bottom four corners of the fixed platform are provided with bottom supports which are liftable supports and used for adjusting the height of the welding platform.
4. The welding platform of claim 1, wherein:
the welding platform further comprises a welding mechanical arm, wherein the welding mechanical arm is arranged on the upper surface of the pressing block and faces one side of the welding seam and is used for welding the welding seam of the thin steel plate.
5. Welding platform according to claim 4,
the welding auxiliary mechanism further comprises a welding gun positioning box, the welding gun positioning box is pressed on the two steel sheets at the welding seam and is connected with the pressing blocks of the first sliding body and the second sliding body, and a welding gun positioning hole is formed in the welding gun positioning box and corresponds to the welding seam.
6. The welding platform of claim 1, wherein:
the limiting mechanisms are arranged on two sides, far away from the separation seams, of the sliding platform and comprise springs and telescopic columns, the springs are arranged on the outer surfaces of the telescopic columns, one ends of the telescopic columns are installed on the fixed platform through baffles, and the other ends of the telescopic columns stretch into the sliding platform and can slide and be fixed in the sliding platform along a second direction.
7. The welding platform of claim 6, wherein:
one end of the telescopic column extending into the sliding platform is provided with a telescopic spring head, and the sliding platform is pushed to enable the telescopic spring head to be clamped in the sliding platform and used for fixing the width of a welding seam between the two groups of sliding platforms.
8. Use of a welding bench for welding of thin steel sheets according to claim 5, characterized in that it comprises:
s1: moving a sliding platform arranged on the fixed platform, adjusting the width of a welding seam required by welding the thin steel plate, and fixing the adjusted sliding platform through a limiting mechanism;
s2: placing the thin steel plate on a sliding platform and clamping the thin steel plate through a clamp assembly;
s3: a motor is arranged in the sliding frame, and a linkage rod, a roller and a pressing block are assembled to form a first sliding body and a second sliding body;
s4: mounting a first sliding body and a second sliding body on the fixed platform, and splicing the first sliding body and the second sliding body together to form a welding gun positioning box;
s5: a welding mechanical arm is arranged on the pressing block;
s6: the starting motor drives the first sliding body, the second sliding body and the welding gun positioning box to move forwards, and the welding mechanical arm penetrates through the welding gun positioning hole to automatically weld the thin steel plate.
CN202211171335.0A 2022-09-26 2022-09-26 Welding platform for thin steel plate welding and using method thereof Active CN115255743B (en)

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