CN116652377B - Handheld laser welding equipment and method for stainless steel cooking bench surface - Google Patents

Handheld laser welding equipment and method for stainless steel cooking bench surface Download PDF

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Publication number
CN116652377B
CN116652377B CN202310562588.9A CN202310562588A CN116652377B CN 116652377 B CN116652377 B CN 116652377B CN 202310562588 A CN202310562588 A CN 202310562588A CN 116652377 B CN116652377 B CN 116652377B
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Prior art keywords
stainless steel
laser welding
vacuum adsorption
vehicle body
table top
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CN116652377A (en
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万小明
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Guangdong Baineng Home Furniture Co ltd
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Guangdong Baineng Home Furniture Co ltd
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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
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/20Bonding
    • B23K26/21Bonding by welding
    • 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
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/70Auxiliary operations or equipment
    • B23K26/702Auxiliary equipment

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Laser Beam Processing (AREA)

Abstract

The invention relates to a handheld laser welding device and a method for a stainless steel cooking bench top, wherein the handheld laser welding device comprises a mobile vehicle body, a vacuum adsorption device and a handheld laser welding device; the vacuum adsorption device comprises a vacuum adsorption crawler belt and a vacuum adsorption mechanism; the vacuum adsorption crawler belt surrounds front wheels and rear wheels which are positioned on the left side or the right side of the mobile vehicle body; clamping grooves matched with the vacuum adsorption crawler belt are formed in the front wheel and the rear wheel; a plurality of adsorption cavities are arranged on the vacuum adsorption track; the plurality of adsorption cavities are equidistantly arranged along the length direction of the vacuum adsorption crawler belt; when the movable vehicle body moves, the rear wheels lift the adsorbed adsorption cavities in the vacuum adsorption crawler belt, so that the vacuum adsorption crawler belt moves circularly.

Description

Handheld laser welding equipment and method for stainless steel cooking bench surface
Technical Field
The invention relates to stainless steel cooking bench processing equipment, in particular to handheld laser welding equipment and method for a stainless steel cooking bench top.
Background
In the installation process of the stainless steel cooking bench, the welding of the stainless steel table top is needed, namely a plurality of stainless steel table boards are spliced, and then laser welding is carried out at a gap of the spliced part through laser welding equipment, so that the plurality of stainless steel table boards are welded into a whole; the current laser welding mode is as follows: the staff holds laser welding equipment, carries out spot welding at the gap of concatenation department earlier, then supports the laser head of laser welding equipment and slides on the benchmark through the benchmark chi of being made by straight square pipe as the benchmark on the benchmark chi, is similar to the mode of marking to the realization carries out the line welding to the gap of concatenation department.
However, the welding method has the following disadvantages:
in the process of wire welding, a staff member needs to press the reference ruler by one hand and hold the laser welding gun by the other hand by taking the reference ruler as a reference, and the existing defects are that: 1. when welding, the reference ruler is easy to loosen, when the position of the reference ruler is deviated, the laser welding equipment is deviated during welding, so that errors occur in welding, gaps at the spliced positions are exposed, rust is easy to occur, and the quality of the stainless steel table top is affected. 2. Because the sizes of the cooking bench are different, the welding of the seam needs to be completed once, the seam welding of the specific length needs to use the reference bars of the corresponding length, and therefore, the reference bars of various lengths need to be equipped, and the practical operation is very inconvenient.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the handheld laser welding equipment for the table top of the stainless steel cooking bench, which not only can accurately position and weld the welding seam of the table top of the stainless steel cooking bench, but also has higher welding precision and better universality.
A second object of the present invention is to provide a hand-held laser welding method for a table top of a stainless steel hob.
The technical scheme for solving the problems in the prior art is as follows:
the hand-held laser welding equipment for the stainless steel kitchen range table top comprises a mobile car body, a vacuum adsorption device and a hand-held laser welding device, wherein the vacuum adsorption device is arranged on the mobile car body and used for promoting wheels of the mobile car body to be adsorbed on the stainless steel kitchen range table top so as to prevent the mobile car body from transversely shifting, and the hand-held laser welding device is used for realizing welding of gaps at the splicing positions between the stainless steel kitchen range table tops; the vacuum adsorption device comprises vacuum adsorption tracks arranged on the left side and the right side of the mobile vehicle body and a vacuum adsorption mechanism for driving the vacuum adsorption tracks on the lower layer to be adsorbed on a stainless steel table top, wherein the vacuum adsorption tracks encircle front wheels and rear wheels on the left side or the right side of the mobile vehicle body; clamping grooves matched with the vacuum adsorption crawler belt are formed in the front wheel and the rear wheel; a plurality of adsorption cavities are arranged on the vacuum adsorption track; the plurality of adsorption cavities are equidistantly arranged along the length direction of the vacuum adsorption crawler belt; the vacuum adsorption mechanism is used for driving a plurality of adsorption cavities in a lower vacuum adsorption crawler belt positioned between the front wheel and the rear wheel to be adsorbed on a stainless steel table top; when the movable vehicle body moves, the rear wheels lift the adsorbed adsorption cavities in the vacuum adsorption crawler so that the vacuum adsorption crawler circularly moves; the hand-held laser welding device is arranged on the movable car body, and a laser welding head of the hand-held laser welding device faces downwards.
Preferably, the handheld laser welding device is arranged on a mounting seat, and the mounting seat is connected with the mobile vehicle body through a sliding mechanism; the sliding mechanism comprises a sliding groove arranged on the movable vehicle body and a sliding block arranged on the sliding groove, wherein the mounting seat is rotationally connected to the sliding block.
Preferably, the mounting seat is provided with a mounting hole, and the handheld laser welding device is slidably mounted on the mounting hole and can slide along the axis direction of the mounting hole; the hand-held laser welding device is characterized in that a spring is arranged between the mounting seat and the hand-held laser welding device, the upper end of the spring acts on the hand-held laser welding device, and the lower end of the spring acts on the mounting seat.
Preferably, the moving vehicle body is provided with a locking mechanism for locking the sliding block, the locking mechanism comprises a plurality of locking grooves arranged on the moving vehicle body, and the locking grooves are equidistantly arranged along the running direction of the moving vehicle body; the sliding block is provided with a locking block, the upper end of the locking block is rotationally connected to the sliding block, and the lower end of the locking block is provided with a locking part matched with the locking groove.
Preferably, the vacuum adsorption crawler belt is formed by hinging a plurality of crawler belt units in pairs, and each crawler belt unit is provided with an adsorption cavity.
Preferably, the crawler unit is circular or polygonal, wherein when the crawler is polygonal, the hinge parts at the front and rear ends of the crawler unit are positioned on the corners of the crawler unit.
Preferably, the two groups of vacuum adsorption mechanisms are respectively positioned at the left side and the right side of the movable vehicle body, each group of vacuum adsorption mechanism comprises a guide seat arranged on the movable vehicle body, a pressing block arranged in the guide seat and a vertical driving mechanism for driving the pressing block to do vertical reciprocating motion, wherein the guide seat is provided with a limiting groove for limiting and guiding the vacuum adsorption crawler belt, and the part of the vacuum adsorption crawler belt positioned at the lower layer passes through the limiting groove; the pressing block is positioned in the limiting groove, and a plurality of pressing parts are arranged in the pressing block; when the vertical driving mechanism drives the pressing part on the pressing block to press the back side of the crawler unit, the inside of the adsorption cavity of the pressed crawler unit is in a negative pressure state, and the crawler unit is adsorbed on the stainless steel table top.
Preferably, the pressing blocks in the vacuum adsorption mechanisms at the two sides are connected through the connecting seat; the vertical driving mechanism is arranged on the movable vehicle body and positioned in the middle of the connecting seat, and the driving end of the vertical driving mechanism is connected with the connecting seat.
Preferably, a laser probe is arranged at the lower end of the middle part of the movable vehicle body, and the direction of a laser outlet of the laser probe is parallel to the movement direction of the movable vehicle body.
Preferably, extrusion blocks are arranged in the middle of the outer wheel surfaces of the front wheel and the rear wheel, the extrusion blocks are multiple groups, and the multiple groups of extrusion blocks are arranged along the circumferential direction of the front wheel and the rear wheel; when the vacuum adsorption caterpillar band surrounds the front wheel and the rear wheel, the extrusion blocks contacted with the vacuum adsorption caterpillar band are respectively extruded on the back sides of the corresponding adsorption cavities.
A hand-held laser welding method for a tabletop of a stainless steel cooktop, comprising the steps of:
s1, installing a plurality of stainless steel table boards on a stainless steel cooking bench, and then completing splicing;
s2, a worker holds a laser welding gun to spot-weld the gap between the stainless steel bedplate to realize preliminary fixation;
s4, placing the handheld laser welding equipment on a stainless steel table top, so that a laser welding head in the handheld laser welding device on the mobile car body is positioned above a splicing gap in the stainless steel table top; then correcting the posture of the moving vehicle body so that the movement direction of the moving vehicle body is parallel to the extending direction of the splicing gap; pushing the movable car body along the extending direction of the splicing gap, and simultaneously starting the handheld laser welding device, so that a laser welding head in the handheld laser welding device linearly slides at the splicing gap along with the linear movement of the movable car body, and performing wire welding on two adjacent stainless steel platens;
s5, after the welding work of the stainless steel table top is finished, installing the water bar on the stainless steel table top, and then carrying out primary welding on the water bar on the stainless steel table top and a connecting gap between the water bar and the water bar through a laser welding gun held by a worker; the method comprises the steps that a worker holds a laser welding gun to slide linearly along the edge angles by utilizing the edge angles formed at the joints of the water bars and the stainless steel table top and the edge angles formed at the joints of the water bars and the stainless steel table top, and wire welding is carried out on the joints of the water bars and the joints of the water bars and the stainless steel table top;
and S6, tearing off the protective film on the stainless steel table top and the water retaining bar after welding is completed, and then cleaning the surface of the stainless steel cooking bench.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the handheld laser welding equipment for the stainless steel kitchen range table top, the operating handle of the handheld laser welding device is manually pushed by a worker to drive the movable vehicle body to do linear motion, and as the partial vacuum adsorption crawler belt is adsorbed on the stainless steel table top all the time in the motion process of the movable vehicle body, the movable vehicle body can be prevented from transversely shifting on the smooth stainless steel table top, so that the motion precision of the movable vehicle body is ensured, and therefore, the laser welding head of the handheld laser welding device arranged on the movable vehicle body can do linear motion along with the movable vehicle body, so that linear welding is realized along the joint of the stainless steel table top, and the welding efficiency and the welding precision are higher.
2. The handheld laser welding equipment of the stainless steel cooking bench surface can finish the linear welding of the seam at the joint by only pushing the mobile car body by a worker to move and starting the handheld laser welding device when the worker moves, and compared with the conventional mode of adopting the reference scale as the reference to perform the linear welding, the handheld laser welding equipment of the stainless steel cooking bench surface has the advantages of lower operation difficulty, more convenient operation and better universality, and is suitable for welding seams with various lengths and sizes.
Drawings
Fig. 1 to 3 are schematic views of the handheld laser welding apparatus for a stainless steel kitchen range top of the present invention, wherein fig. 1 is a schematic perspective view, fig. 2 is a top view, and fig. 3 is a side view.
Fig. 4-8 are schematic perspective views of five different views of a hand-held laser welding apparatus for stainless steel cooktops according to the invention.
Fig. 9 is a schematic structural view of the slide mechanism and the lock mechanism.
Fig. 10 is a schematic structural view of the vacuum suction mechanism.
Fig. 11 is a schematic view of the structure of the vacuum suction crawler.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but embodiments of the present invention are not limited thereto.
Referring to fig. 1 to 11, the hand-held laser welding apparatus of the stainless steel cooktop deck of the present invention comprises a moving car body 2, a vacuum suction device 4 provided on the moving car body 2 for causing wheels of the moving car body 2 to be sucked on the stainless steel cooktop deck 3 to prevent the moving car body 2 from being laterally (i.e., perpendicular to the moving direction of the car body) biased, and a hand-held laser welding device 1 for effecting welding of a gap at a splice between the stainless steel cooktops 3, wherein the vacuum suction device 4 comprises vacuum suction tracks 401 provided on both left and right sides of the moving car body 2 and a vacuum suction mechanism for driving the vacuum suction tracks 401 located on the lower layer to suck on the stainless steel cooktop deck 3, wherein the vacuum suction tracks 401 on both sides are respectively looped around front and rear wheels located on the left and right sides of the moving car body 2; and a plurality of adsorption cavities 406 are arranged on the vacuum adsorption crawler 401; the plurality of adsorption cavities 406 are equidistantly arranged along the length direction of the vacuum adsorption crawler 401; the vacuum adsorption mechanism is used for driving a plurality of adsorption cavities 406 in a lower vacuum adsorption crawler 401 positioned between the front wheel and the rear wheel to be adsorbed on the stainless steel table top 3; when the moving vehicle body 2 moves, the rear wheels can lift the adsorbed adsorption cavities 406 in the vacuum adsorption crawler 401, so that the vacuum adsorption crawler 401 can move circularly; the hand-held laser welding device 1 is mounted on the mobile car body 2, and the laser welding head 101 of the hand-held laser welding device 1 faces downwards;
in the welding process, a worker manually pushes the operating handle of the handheld laser welding device 1, the movable vehicle body 2 can be driven to do linear motion, and as the partial vacuum adsorption crawler 401 is adsorbed on the stainless steel table top 3 all the time in the moving process of the movable vehicle body 2, the movable vehicle body 2 can be prevented from transversely shifting on the smooth stainless steel table top 3, and the moving precision of the movable vehicle body 2 is ensured, so that the laser welding head 101 of the handheld laser welding device 1 arranged on the movable vehicle body 2 can synchronously do linear motion along with the movable vehicle body 2, so that the linear motion is carried out along the seam at the splicing position of the stainless steel table top 3, the linear welding of the seam at the splicing position is realized, and the welding mode has higher welding efficiency and welding precision and more convenient operation.
Referring to fig. 1-11, the hand-held laser welding device 1 is mounted on a mounting seat 6, and the mounting seat 6 is connected with the mobile vehicle body 2 through a sliding mechanism; the sliding mechanism comprises a sliding groove 8 arranged on the movable vehicle body 2 and a sliding block 7 arranged on the sliding groove 8, wherein the mounting seat 6 is rotatably connected to the sliding block 7.
With the above arrangement, when the mobile car body 2 is placed on the stainless steel table top, since the laser welding head 101 of the hand-held laser welding device 1 is located between the front wheel and the rear wheel of the mobile car body 2, there is a gap between the laser welding head 101 and the front end and the rear end of the mobile car body 2, and the laser welding head 101 cannot weld at the joint in the gap, so that the laser welding head 101 can do a linear motion relative to the mobile car body 2, so that the laser welding head 101 can move to the front side and the rear side of the mobile car body 2, and thus, all positions in the joint of the stainless steel table top 3 can be welded; so, through the above arrangement, when the mobile car body 2 moves to the edge of the stainless steel table top 3, by pushing the hand-held laser welding device 1 to slide back and forth relative to the mobile car body 2, the laser welding head 101 of the hand-held laser welding device 1 can move to the front side and the rear side of the mobile car body 2, so as to realize welding of all positions in the gap at the splicing position of the stainless steel table top 3.
However, in order to ensure that the pushing of the hand-held laser welding device 1 can drive the mobile vehicle body 2 to move and ensure that the pushing of the hand-held laser welding device 1 and the mobile vehicle body 2 can generate relative movement, a locking mechanism for locking the sliding block 7 is arranged on the mobile vehicle body 2, the locking mechanism comprises a plurality of locking grooves 10 arranged on the vehicle body of the mobile vehicle body 2, and the locking grooves 10 are equidistantly arranged along the running direction of the mobile vehicle body 2; the sliding block 7 is provided with a locking block 9, the upper end of the locking block 9 is rotatably connected to the sliding block 7, and the lower end of the locking block is provided with a locking part matched with the locking groove 10.
Through the arrangement, when the hand-held laser welding device 1 needs to be driven to slide back and forth relative to the mobile car body 2, only the locking block 9 needs to be turned upwards, so that the locking part of the locking block 9 is separated from the locking groove 10, and the hand-held laser welding device 1 can be driven to move back and forth relative to the mobile car body 2 by pushing the hand-held laser welding device 1, so that the front end and the rear end of a gap at the joint of the stainless steel table top 3 can be welded; when the movable car body 2 needs to be pushed to move, only the locking part of the locking block 9 needs to be turned downwards, so that the locking part of the locking block 9 is matched with the locking groove 10, and the movable car body 2 can be driven to move by pushing the operating handle of the handheld laser welding device 1.
Referring to fig. 1 to 11, the mounting base 6 is provided with a mounting hole, and the hand-held laser welding device 1 is slidably mounted on the mounting hole and can slide along the axial direction of the mounting hole; a spring 5 is arranged between the mounting seat 6 and the handheld laser welding device 1, the upper end of the spring 5 acts on the handheld laser welding device 1, and the lower end acts on the mounting seat 6. When a gap at a splicing position between the stainless steel table tops is required to be welded, only the hand-held laser welding device 1 is required to be pushed downwards, so that a laser head is in contact with the gap between the stainless steel table tops 3, and then the hand-held laser welding device 1 is started, so that the welding of the gap between the stainless steel table tops 3 can be realized; meanwhile, the hand-held laser welding device 1 can push the movable vehicle body 2 to do linear motion, so that the seam between the stainless steel table tops 3 is welded; when the welding is completed, the hand-held laser welding device 1 is loosened, and the hand-held laser welding device 1 is reset upwards under the elasticity of the spring 5, so that the laser welding head 101 of the hand-held laser welding device 1 is separated from the stainless steel table top 3.
Referring to fig. 1-11, the vacuum adsorption crawler 401 is formed by hinging a plurality of crawler units 405 in pairs, and each crawler unit 405 is provided with an adsorption cavity 406; the track unit 405 is circular or polygonal, wherein when the track is polygonal, the hinge parts at the front and rear ends of the track unit 405 are positioned on the corners of the track unit 405, so that the track unit 405 can be lifted when the rear wheels rotate; so that the vacuum suction crawler 401 can be circulated between the front wheel and the rear wheel to perform switching between suction and release. In this embodiment, the crawler unit 405 is made of rubber.
Referring to fig. 1-11, the two groups of vacuum adsorption mechanisms are respectively located at the left side and the right side of the moving vehicle body 2, and each group of vacuum adsorption mechanism comprises a guide seat 402 arranged on the moving vehicle body 2, a pressing block 403 arranged in the guide seat 402, and a vertical driving mechanism for driving the pressing block 403 to vertically reciprocate, wherein a limiting groove for limiting and guiding the vacuum adsorption crawler 401 is arranged on the guide seat 402; the lower part of the vacuum adsorption crawler 401 passes through the limit groove; the limiting groove can limit the lower vacuum adsorption crawler 401 from shaking left and right, so that the movement precision of the mobile vehicle body 2 is further improved; the pressing block 403 is positioned in the limiting groove, and a plurality of pressing parts 404 are arranged in the pressing block 403; when the pressing part 404 on the pressing block 403 is driven by the vertical driving mechanism to strike against the back side of the track unit 405, the back side of the adsorption cavity 406 of the struck track unit 405 is recessed downward, so that the air in the adsorption cavity 406 is discharged, the inside of the adsorption cavity 406 is in a negative pressure state, and the track unit 405 is adsorbed on the stainless steel table top 3.
In addition, in the present embodiment, the pressing blocks 403 in the vacuum adsorption mechanisms on both sides are connected through the connection base; the vertical driving mechanism is arranged on the movable vehicle body 2 and positioned in the middle of the connecting seat, and the driving end of the vertical driving mechanism is connected with the connecting seat, wherein the vertical driving mechanism is a linear motor; the driving shaft of the linear motor is connected with the connecting seat, so as to drive the connecting seat to do vertical reciprocating motion, and the pressing part 404 on the pressing block 403 is driven to strike the back side of the crawler unit 405, so that negative pressure is generated in the adsorption cavity 406 of the crawler unit 405, and the crawler unit 405 can be adsorbed on the stainless steel table top 3. Because the two groups of vacuum adsorption mechanisms share one group of vertical driving mechanism, not only can the cost be saved, but also the synchronous movement of the pressing blocks 403 in the two groups of vacuum adsorption mechanisms can be ensured, so that the crawler units 405 in the guide seats 402 positioned at two sides can be simultaneously adsorbed on the stainless steel table top 3.
Referring to fig. 1-11, the vacuum adsorption mechanism further includes squeeze blocks 12 disposed on the middle portions of the outer wheel surfaces of the front wheel and the rear wheel, the squeeze blocks 12 being plural sets, the plural sets of squeeze blocks 12 being arranged along the circumferential directions of the front wheel and the rear wheel; when the vacuum suction crawler 401 is wound around the front wheel and the rear wheel, the pressing blocks 12 in contact with the vacuum suction crawler 401 are pressed against the back side of each suction chamber 406, respectively. Thus, during the cyclic operation of the vacuum suction crawler 401, the rear wheels are used to lift the crawler unit 405 sucked on the stainless steel table 3; the pressing block 403 on the front wheel can press the back side of the track unit 405, so that the back side of the track unit 405 is recessed towards the adsorption cavity 406, and when the lower side of the track unit 405 is completely attached to the stainless steel table top 3, the pressing block 12 on the front wheel is separated from the back side of the track unit 405, so that the back side of the track unit 405 is reset, and negative pressure is generated in the adsorption cavity 406, so that the track unit 405 is primarily adsorbed on the stainless steel table top 3; then, the pressing block 403 in the guide seat 402 is driven to move by the vertical driving mechanism, so that the back side of the preliminarily adsorbed track unit 405 is pressed again, and the air in the adsorption cavity 406 of the track unit 405 is discharged, so that the track unit 405 is firmly adsorbed on the stainless steel table top 3 again, and the movable vehicle body 2 is further prevented from being laterally deflected.
Referring to fig. 1-11, a laser probe 11 is arranged at the lower end of the middle part of the moving vehicle body 2, and the direction of a laser outlet of the laser probe 11 is parallel to the moving direction of the moving vehicle body 2; in this way, when the mobile car body 2 is placed on the stainless steel table top 3, the laser probe 11 can emit laser beams, so that the placement position of the mobile car body 2 is corrected, and the laser welding head 101 is positioned at the gap of the joint between the stainless steel table tops 3; and the movement of the moving vehicle body 2 can also be calibrated by transmitting the laser beam emitted by the laser probe 11 during the movement of the moving vehicle body 2.
Referring to fig. 1-11, the hand-held laser welding method for a table top of a stainless steel cooktop of the present invention includes the steps of:
s1, installing a plurality of stainless steel table boards on a stainless steel cooking bench, and then completing splicing;
s2, a worker holds a laser welding gun to spot-weld the gap between the stainless steel bedplate to realize preliminary fixation;
s4, placing the handheld laser welding equipment on a stainless steel table top so that the laser welding head 101 in the handheld laser welding device 1 on the mobile car body 2 is positioned above a splicing gap in the stainless steel table top; then correcting the posture of the moving vehicle body 2 so that the movement direction of the moving vehicle body 2 is parallel to the extending direction of the splicing gap; pushing the movable car body 2 along the extending direction of the splicing gap, and simultaneously starting the handheld laser welding device 1, so that the laser welding head 101 in the handheld laser welding device 1 linearly slides at the splicing gap along with the linear movement of the movable car body 2, thereby realizing the wire welding of two adjacent stainless steel bedplate;
s5, after the welding work of the stainless steel table top is finished, installing the water bar on the stainless steel table top, and then carrying out primary welding on the water bar on the stainless steel table top and a connecting gap between the water bar and the water bar through a laser welding gun held by a worker; because the joint of the water bar and the water bar forms an edge angle, and the joint between the water bar and the stainless steel table top also forms an edge angle, a worker holds the laser welding gun to slide along the edge angle in a straight line, thereby realizing the wire welding of the joint of the water bar and the joint between the water bar and the stainless steel table top;
and S6, tearing off the protective film on the stainless steel table top and the water retaining bar after welding is completed, and then cleaning the surface of the stainless steel cooking bench.
The foregoing is illustrative of the present invention, and is not to be construed as limiting thereof, but rather as merely providing for the purpose of teaching herein before described various modifications, alternatives, variations and alternatives, as well as variations and alternatives, without departing from the spirit and principles of the invention.

Claims (4)

1. The handheld laser welding equipment for the stainless steel kitchen range table top is characterized by comprising a movable car body, a vacuum adsorption device and a handheld laser welding device, wherein the vacuum adsorption device is arranged on the movable car body and used for promoting wheels of the movable car body to be adsorbed on the stainless steel kitchen range table top so as to prevent the movable car body from transversely shifting, and the handheld laser welding device is used for realizing welding of gaps at joints between the stainless steel kitchen range table tops; the vacuum adsorption device comprises vacuum adsorption tracks arranged on the left side and the right side of the mobile vehicle body and a vacuum adsorption mechanism for driving the vacuum adsorption tracks on the lower layer to be adsorbed on a stainless steel table top, wherein the vacuum adsorption tracks encircle front wheels and rear wheels on the left side or the right side of the mobile vehicle body; clamping grooves matched with the vacuum adsorption crawler belt are formed in the front wheel and the rear wheel; a plurality of adsorption cavities are arranged on the vacuum adsorption track; the plurality of adsorption cavities are equidistantly arranged along the length direction of the vacuum adsorption crawler belt; the vacuum adsorption mechanism is used for driving a plurality of adsorption cavities in a lower vacuum adsorption crawler belt positioned between the front wheel and the rear wheel to be adsorbed on a stainless steel table top; when the movable vehicle body moves, the rear wheels lift the adsorbed adsorption cavities in the vacuum adsorption crawler so that the vacuum adsorption crawler circularly moves; the handheld laser welding device is arranged on the mobile vehicle body, a laser welding head of the handheld laser welding device faces downwards, the handheld laser welding device is arranged on the mounting seat, and the mounting seat is connected with the mobile vehicle body through the sliding mechanism; the sliding mechanism comprises a sliding groove arranged on the movable vehicle body and a sliding block arranged on the sliding groove, wherein the mounting seat is rotationally connected to the sliding block, a mounting hole is formed in the mounting seat, and the handheld laser welding device is slidably arranged on the mounting hole and can slide along the axis direction of the mounting hole; a spring is arranged between the mounting seat and the handheld laser welding device, the upper end of the spring acts on the handheld laser welding device, the lower end of the spring acts on the mounting seat, a locking mechanism for locking the sliding block is arranged on the mobile vehicle body, the locking mechanism comprises a plurality of locking grooves arranged on the mobile vehicle body, and the locking grooves are equidistantly arranged along the running direction of the mobile vehicle body; the vacuum adsorption crawler is formed by hinging a plurality of crawler units in pairs, and each crawler unit is provided with an adsorption cavity; the crawler belt unit is round or polygonal, when the crawler belt is polygonal, the hinging positions at the front end and the rear end of the crawler belt unit are positioned on the edges of the crawler belt unit, the two groups of vacuum adsorption mechanisms are respectively positioned at the left side and the right side of the movable vehicle body, each group of vacuum adsorption mechanism comprises a guide seat arranged on the movable vehicle body, a pressing block arranged in the guide seat and a vertical driving mechanism for driving the pressing block to do vertical reciprocating motion, wherein the guide seat is provided with a limiting groove for limiting and guiding the vacuum adsorption crawler belt, and the part of the vacuum adsorption crawler belt positioned at the lower layer penetrates through the limiting groove; the pressing block is positioned in the limiting groove, and a plurality of pressing parts are arranged in the pressing block; when the vertical driving mechanism drives the pressing part on the pressing block to press the back side of the crawler unit, the inside of the adsorption cavity of the pressed crawler unit is in a negative pressure state, the crawler unit is adsorbed on the stainless steel table top, the middle parts of the outer wheel surfaces of the front wheel and the rear wheel are provided with a plurality of groups of pressing blocks, and the groups of pressing blocks are arranged along the circumferential directions of the front wheel and the rear wheel; when the vacuum adsorption caterpillar band surrounds the front wheel and the rear wheel, the extrusion blocks contacted with the vacuum adsorption caterpillar band are respectively extruded on the back sides of the corresponding adsorption cavities.
2. The hand-held laser welding apparatus of a stainless steel cooktop top according to claim 1, characterized in that the press blocks in the vacuum adsorption mechanisms on both sides are connected by a connecting seat; the vertical driving mechanism is arranged on the movable vehicle body and positioned in the middle of the connecting seat, and the driving end of the vertical driving mechanism is connected with the connecting seat.
3. The hand-held laser welding apparatus of claim 2, wherein a laser probe is provided at a lower end of the middle part of the moving body, and a laser outlet of the laser probe is oriented parallel to a moving direction of the moving body.
4. A method of welding a stainless steel cooktop using the hand-held laser welding apparatus of any of claims 1-3, comprising the steps of:
s1, installing a plurality of stainless steel table boards on a stainless steel cooking bench, and then completing splicing;
s2, a worker holds a laser welding gun to spot-weld the gap between the stainless steel bedplate to realize preliminary fixation;
s4, placing the handheld laser welding equipment on a stainless steel table top, so that a laser welding head in the handheld laser welding device on the mobile car body is positioned above a splicing gap in the stainless steel table top; then correcting the posture of the moving vehicle body so that the movement direction of the moving vehicle body is parallel to the extending direction of the splicing gap; pushing the movable car body along the extending direction of the splicing gap, and simultaneously starting the handheld laser welding device, so that a laser welding head in the handheld laser welding device linearly slides at the splicing gap along with the linear movement of the movable car body, and performing wire welding on two adjacent stainless steel platens;
s5, after the welding work of the stainless steel table top is finished, installing the water bar on the stainless steel table top, and then carrying out primary welding on the water bar on the stainless steel table top and a connecting gap between the water bar and the water bar through a laser welding gun held by a worker; the method comprises the steps that a worker holds a laser welding gun to slide linearly along the edge angles by utilizing the edge angles formed at the joints of the water bars and the stainless steel table top and the edge angles formed at the joints of the water bars and the stainless steel table top, and wire welding is carried out on the joints of the water bars and the joints of the water bars and the stainless steel table top;
and S6, tearing off the protective film on the stainless steel table top and the water retaining bar after welding is completed, and then cleaning the surface of the stainless steel cooking bench.
CN202310562588.9A 2023-05-18 2023-05-18 Handheld laser welding equipment and method for stainless steel cooking bench surface Active CN116652377B (en)

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CN102189459A (en) * 2011-04-17 2011-09-21 吉林大学 Autonomous grinding and polishing robot for welding line of large structural member
CN102672704A (en) * 2012-06-07 2012-09-19 中国东方电气集团有限公司 Differential motion driving magnetic adsorption type multifunctional wall climbing robot with small-folding-size mechanical arms
CN107030349A (en) * 2017-06-07 2017-08-11 广东海洋大学 hull welding robot
WO2020113956A1 (en) * 2018-12-07 2020-06-11 北京博清科技有限公司 Crawling welding robot and control method thereof
CN112026949A (en) * 2020-09-06 2020-12-04 中南大学 Self-adaptive wall-climbing robot for complex environment
CN112108806A (en) * 2019-06-22 2020-12-22 北京博清科技有限公司 Crawling welding robot
CN113020359A (en) * 2021-03-01 2021-06-25 广东百能家居有限公司 Method and equipment for manufacturing water tank for stainless steel cabinet production
CN113333954A (en) * 2021-06-18 2021-09-03 南京昱晟机器人科技有限公司 Industrial robot of steel sheet part surface movement formula laser welding mechanism
CN115647701A (en) * 2022-10-13 2023-01-31 广东百能家居有限公司 Automatic welding production line and method for stainless steel cooking bench

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102189459A (en) * 2011-04-17 2011-09-21 吉林大学 Autonomous grinding and polishing robot for welding line of large structural member
CN102672704A (en) * 2012-06-07 2012-09-19 中国东方电气集团有限公司 Differential motion driving magnetic adsorption type multifunctional wall climbing robot with small-folding-size mechanical arms
CN107030349A (en) * 2017-06-07 2017-08-11 广东海洋大学 hull welding robot
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CN112108806A (en) * 2019-06-22 2020-12-22 北京博清科技有限公司 Crawling welding robot
CN112026949A (en) * 2020-09-06 2020-12-04 中南大学 Self-adaptive wall-climbing robot for complex environment
CN113020359A (en) * 2021-03-01 2021-06-25 广东百能家居有限公司 Method and equipment for manufacturing water tank for stainless steel cabinet production
CN113333954A (en) * 2021-06-18 2021-09-03 南京昱晟机器人科技有限公司 Industrial robot of steel sheet part surface movement formula laser welding mechanism
CN115647701A (en) * 2022-10-13 2023-01-31 广东百能家居有限公司 Automatic welding production line and method for stainless steel cooking bench

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