CN215393176U - Laser welding equipment for metal plate shell of range hood - Google Patents
Laser welding equipment for metal plate shell of range hood Download PDFInfo
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- CN215393176U CN215393176U CN202121922319.1U CN202121922319U CN215393176U CN 215393176 U CN215393176 U CN 215393176U CN 202121922319 U CN202121922319 U CN 202121922319U CN 215393176 U CN215393176 U CN 215393176U
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Abstract
The invention discloses a laser welding device for a metal plate shell of a range hood, which comprises a product positioning tool, a left and right triaxial module, a laser welding head and a local shaping tool, wherein the product positioning tool comprises a left and right triaxial module; the product positioning tool is positioned between the left and right triaxial modules and the laser welding head; the local shaping tool is positioned at the upper end of the product positioning tool, and the product positioning tool realizes the positioning of a workpiece through the mutual matching of a welding machine tool bottom plate, an L-shaped mounting bracket, a main positioning pin, an auxiliary positioning pin, a sheet metal positioning pin, a welding bead inner support cylinder assembly, a welding bead fixing block assembly and a welding bead upper compression cylinder assembly; the left triaxial module and the laser welding head are movably connected with the right triaxial module and the laser welding head in a three-dimensional space; the local shaping tool is used for micro-shaping the welded edge after welding. The welding fixture disclosed by the invention is suitable for positioning a special fixture tool of the shape of a sheet metal shell through the main positioning pin, the auxiliary positioning pin, the sheet metal inner supporting block, the inner auxiliary feeding leaning block, the square hole auxiliary positioning component and the like, so that the welding stability and consistency are ensured.
Description
Technical Field
The invention relates to the field of metal machining, in particular to laser welding equipment for a metal plate shell of a range hood.
Background
The semi-finished product of the flanging and bending of the metal plate shell of the range hood needs to be welded, and the semi-finished product of the flanging and bending of the metal plate shell of the range hood is formed by welding beads A1 and A2 as shown in figure 2. The metal plate shell of the range hood to be welded is a square shell, and the interior of the shell is hollow. In the welding process, what need be considered earlier is to carry out effectual location to this panel beating, and two welding beads that need the welding all form an contained angle, need use argon arc welding to carry out manual welding process to the work piece by welding operative employee to the past at the welded in-process, this operation work efficiency is low, high in labor strength, and because the heat of argon arc welding leads to the heat altered shape volume of welding product big in the welding process engineering, consequently increased the welding finished product disability rate of lampblack absorber panel beating shell, the heap height of welding bead increases the work load of follow-up process of polishing simultaneously.
In view of the above, there is a need for a welding device that can ensure that the metal plate is not deformed while welding.
Disclosure of Invention
1. The technical problem to be solved is as follows:
aiming at the technical problem, the invention provides laser welding equipment for a metal plate shell of a range hood, which is used for positioning a metal plate through a product positioning tool, reducing the deformation in the welding process through a welding bead positioning device and achieving high welding speed and low error rate.
2. The technical scheme is as follows:
the utility model provides a lampblack absorber panel beating shell laser welding equipment which characterized in that: the device comprises a product positioning tool, a left triaxial module, a laser welding head, a right triaxial module, a laser welding head and a local shaping tool; the product positioning tool is positioned between the left and right triaxial modules and the laser welding head; the local shaping tool is positioned at the upper end of the product positioning tool.
The product positioning tool comprises a welding machine tool bottom plate, an L-shaped mounting bracket, a main positioning pin, an auxiliary positioning pin, a sheet metal positioning pin, a welding bead inner support cylinder assembly, a welding bead fixing block assembly and a welding bead upper pressing cylinder assembly; the left side and the right side of the upper surface of the welding machine tool bottom plate are symmetrically fixed by the L-shaped mounting brackets to form a left symmetrical vertical mounting surface and a right symmetrical vertical mounting surface; the left and right mounting surfaces are symmetrically provided with main and auxiliary positioning pins which adapt to the shape of the outer ring of the metal plate; the left mounting surface and the right mounting surface are respectively provided with a metal plate positioning pin which can be sleeved on the metal plate inner ring; the metal plate positioning pin is L-shaped and can buckle the metal plate inner ring arranged in the positioning pin, and the bottom of the metal plate positioning pin is fixedly connected to the left mounting surface and the right mounting surface through the left rotating cylinder and the right rotating cylinder; the number of the metal plate positioning pins is 4, and the metal plate positioning pins are respectively positioned at four angular positions of the metal plate inner ring; the left and right rotary cylinders are used for driving the sheet metal positioning pin to clamp and sleeve the sheet metal of the sheet metal positioning pin; the inner support cylinder assemblies of the weld bead are arranged at two angular positions inside the weld bead to be welded on the left and right mounting surfaces; the supporting part of the internal support cylinder assembly in the weld bead is adaptive to the shape of the corner to be welded, and the edge contacted with the internal support cylinder can be supported outwards under the driving of the internal support cylinder; a welding bead fixing block assembly in the vertical direction is arranged outside the corner where the welding bead is located; the welding bead fixing block assembly comprises a fixing block and a cylinder connected with the fixing block; the fixed block realizes inward support of the metal plate in the vertical direction through an air cylinder, and the fixed block is slightly lower than the weld bead; a welding bead upper pressing cylinder assembly in the horizontal direction is arranged outside the angle where the welding bead is located; the upper pressing air cylinder assembly comprises a pressing block which is controlled by an air cylinder to move; the pressing block is driven by the cylinder to downwards fix the upper edge of the corner where the welding bead is located, and the pressing block is away from the welding bead by a preset distance.
The left triaxial module and the laser welding head, and the right triaxial module and the laser welding head are respectively arranged on the outer sides of the left welding bead and the right welding bead in a bilateral symmetry manner; each three-axis module and each laser welding head comprise a three-axis module welding base, an XYZ three-axis module, a welding head mounting assembly and a laser welding head; the XYZ triaxial module is fixedly arranged on the upper part of the triaxial module welding base; the XYZ three-axis module comprises a horizontal movement slide rail and a vertical movement slide rail which can move horizontally along the horizontal movement slide rail; the vertical moving slide rail is fixedly provided with a laser welding head through a welding head mounting assembly; the laser welding head is used for welding a corresponding welding bead; each triaxial module realizes its along horizontal and vertical motion through corresponding servo motor control assembly.
The local shaping tool comprises a rubber cushion, a shaping pressing plate, a mounting plate, a servo electric cylinder and a servo motor which are sequentially mounted from bottom to top; the rubber cushion is fixed on the lower surface of the shaping pressing plate and is in direct contact with the edge where the welding bead to be welded of the sheet metal is located; the servo electric cylinder drives the rubber soft pad, the shaping pressing plate and the mounting plate to move up and down to fix the metal plate surface positioned at the lower part of the servo electric cylinder.
Furthermore, the device also comprises an upper machine cover shell and an equipment machine base; the upper cover of the machine platform is fixedly connected with the base of the machine platform of the equipment, and a cavity serving as a welding station is arranged at the joint of the upper cover and the base of the machine platform of the equipment; and the product positioning tool, the left triaxial module and the laser welding head, the right triaxial module and the laser welding head, and the local shaping tool are all fixed in the welding station.
Furthermore, the main positioning pin assembly and the auxiliary positioning pin assembly jointly form a positioning pin structure matched with the outer frame of the metal plate.
Furthermore, the installation face of the L-shaped installation support is also provided with a metal plate inner supporting block, an inner auxiliary feeding leaning block and a square hole auxiliary positioning assembly, wherein the metal plate inner supporting block is used for supporting a metal plate from the inner side, and the square hole auxiliary positioning assembly is located on the upper surface of the metal plate.
Further, the welding machine tool bottom plate is detachably fixed on a welding station, and a welding tool handle is arranged on the surface of the welding machine tool bottom plate and used for replacing the welding machine tool bottom plate.
3. Has the advantages that:
(1) according to the laser welding equipment for the metal plate shell of the range hood, provided by the invention, a metal plate to be welded is positioned by a special fixture tool suitable for the shape of the metal plate shell through the main positioning pin, the auxiliary positioning pin, the metal plate inner supporting block, the inner auxiliary feeding leaning block, the square hole auxiliary positioning assembly and the like, so that the welding stability and consistency are ensured.
(2) The sheet metal shell welding laser head in the laser welding equipment for the sheet metal shell of the range hood provided by the invention is driven by power supplied by the servo electric cylinder, so that the welding precision control can be ensured.
(3) The welding processing of the metal plate shell of the range hood is formed by laser welding, the heat affected zone of the laser welding is small, the appearance of a welding bead and the qualification rate of products are improved, meanwhile, the height of a welding seam formed by the laser welding is small, and the polishing amount of subsequent polishing procedures is reduced.
(4) The laser welding equipment for the metal plate shell of the range hood provided by the invention is added with the local shaping function, so that the local shaping operation can be performed on the workpiece subjected to welding and welding forming, the appearance of the workpiece is better improved, and meanwhile, the shaping function is controlled by the servo electric cylinder, so that the metal plate can be better suitable for metal plates of different materials and shapes.
Drawings
FIG. 1 is a schematic diagram of two welding passes of a metal plate shell of a range hood to be welded according to the invention;
FIG. 2 is an overall structural view of the present invention;
FIG. 3 is a block diagram of the product positioning tool of the present invention;
FIG. 4 is a schematic diagram of the left triaxial module and laser welding head and the right triaxial module and laser welding head of the present invention;
FIG. 5 is a structural diagram of a local shaping tool in the present invention;
FIG. 6 is a schematic view of a housing of the apparatus of the present invention;
fig. 7 is a schematic structural diagram of a base of an apparatus of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
The device is used for welding the sheet metal shell A of the range hood as shown in the attached figure 1. After the edge of the smoke ventilator shell A is bent, welding beads A1 and A2 at two ends of the bent edge need to be welded, the welding requirement of the welding beads is high, the rejection rate of manual welding and fixing welding is high, and therefore a welding device suitable for the situation needs to be designed.
As shown in the attached figure 2, the laser welding equipment for the metal plate shell of the range hood is characterized in that: the device comprises a product positioning tool 1, a left triaxial module and laser welding head 2, a right triaxial module and laser welding head 2 and a local shaping tool 3; the product positioning tool is positioned between the left and right triaxial modules and the laser welding head; the local shaping tool is positioned at the upper end of the product positioning tool.
The core part of the device is a product positioning tool for positioning a workpiece and a laser welding head for welding. Because the panel beating of waiting to weld is hollow square ring shape structure, need fix a position not only the outer lane, still need fix a position the inner circle. The laser welding heads are arranged on the left and the right as required and respectively weld corresponding welding beads. In designing a laser welding head, the welding accuracy is a main requirement.
As shown in fig. 3, the product positioning tool comprises a welding machine tool bottom plate 11, an L-shaped mounting bracket 12, a main positioning pin, an auxiliary positioning pin, a sheet metal positioning pin 13, an inner weld bead support cylinder assembly 14, a weld bead fixing block assembly 15 and an upper weld bead compression cylinder assembly 16; the left side and the right side of the upper surface of the welding machine tool bottom plate are symmetrically fixed by the L-shaped mounting brackets to form a left symmetrical vertical mounting surface and a right symmetrical vertical mounting surface; the left and right mounting surfaces are symmetrically provided with main and auxiliary positioning pins which adapt to the shape of the outer ring of the metal plate; the left mounting surface and the right mounting surface are respectively provided with a metal plate positioning pin which can be sleeved on the metal plate inner ring; the metal plate positioning pin is L-shaped and can buckle the metal plate inner ring arranged in the positioning pin, and the bottom of the metal plate positioning pin is fixedly connected to the left mounting surface and the right mounting surface through the left rotating cylinder and the right rotating cylinder; the number of the metal plate positioning pins is 4, and the metal plate positioning pins are respectively positioned at four angular positions of the metal plate inner ring; the left and right rotary cylinders are used for driving the sheet metal positioning pin to clamp and sleeve the sheet metal of the sheet metal positioning pin; the inner cylinder assembly 14 is arranged at two angular positions inside a welding bead to be welded on the left mounting surface and the right mounting surface; the supporting part of the internal support cylinder assembly in the weld bead is adaptive to the shape of the corner to be welded, and the edge contacted with the internal support cylinder can be supported outwards under the driving of the internal support cylinder; a welding bead fixing block assembly 15 in the vertical direction is arranged outside the corner where the welding bead is located; the welding bead fixing block assembly comprises a fixing block and a cylinder connected with the fixing block; the fixed block realizes inward support of the metal plate in the vertical direction through an air cylinder, and the fixed block is slightly lower than the weld bead; a welding bead upper pressing cylinder assembly 16 in the horizontal direction is arranged outside the corner where the welding bead is located; the upper pressing air cylinder assembly comprises a pressing block which is controlled by an air cylinder to move; the pressing block is driven by the cylinder to downwards fix the upper edge of the corner where the welding bead is located, and the pressing block is away from the welding bead by a preset distance.
In this product location frock, in order to throw the convenience of material, carry out the fixed in the aspect of the big position to the panel beating through major-minor locating pin, and block the panel beating between major-minor locating pin, then the cylinder 4 of control panel beating locating pin is inwards pressed from both sides tightly, realizes the location to the panel beating. Then need carry out accurate location to specific welding bead, prop the cylinder subassembly through control welding bead and realize the support from inside to outside to welding bead place angle from the panel beating in, set up respectively through horizontal limit, the vertical limit that welding bead place angle corresponds and compress tightly the accurate location that cylinder subassembly, welding bead fixed block subassembly realized the diagonal angle outer end on the welding bead respectively. In the positioning process, control is realized by sending instructions to the air cylinder 4, and accurate positioning can be realized. In the feeding process, a proximity switch is arranged to detect whether a product to be turned and bent is placed in place or not, and after the product is installed and placed well, an operator presses a start button to automatically compress the tool.
As shown in fig. 4, the left triaxial module and the laser welding head 2 and the right triaxial module and the laser welding head 2 are respectively installed on the outer sides of the left and right welding beads in a left-right symmetrical manner; each three-axis module and laser welding head comprises a three-axis module welding base 21, an XYZ three-axis module 22, a welding head mounting assembly 23 and a laser welding head 24; the XYZ triaxial module is fixedly arranged on the upper part of the triaxial module welding base; the XYZ three-axis module comprises a horizontal movement slide rail and a vertical movement slide rail which can move horizontally along the horizontal movement slide rail; the vertical moving slide rail is fixedly provided with a laser welding head through a welding head mounting assembly; the laser welding head is used for welding a corresponding welding bead; each triaxial module realizes its along horizontal and vertical motion through corresponding servo motor control assembly.
The XYZ triaxial module in the triaxial module and the laser welding head can drive the laser welding head to do spatial motion in the module stroke; the whole motion process is completed by driving the electric cylinder tightly, so that not only is the precision and the rapid stability high, but also the motion stroke and the motion track can be precisely controlled.
As shown in fig. 5, the local shaping tool comprises a rubber cushion 31, a shaping pressure plate 32, a mounting plate 33, a servo electric cylinder 34 and a servo motor 35 which are sequentially mounted from bottom to top; the rubber cushion is fixed on the lower surface of the shaping pressing plate and is in direct contact with the edge where the welding bead to be welded of the sheet metal is located; the servo electric cylinder drives the rubber soft pad, the shaping pressing plate and the mounting plate to move up and down to fix the metal plate surface positioned at the lower part of the servo electric cylinder.
After welding, the program automatically finishes pressing the metal plate through the local shaping tool, and the shaping effect is achieved.
As shown in fig. 6 and 7, further comprises a machine upper cover 4 and an equipment machine base 5; the upper cover of the machine platform is fixedly connected with the base of the machine platform of the equipment, and a cavity serving as a welding station is arranged at the joint of the upper cover and the base of the machine platform of the equipment; and the product positioning tool, the left triaxial module and the laser welding head, the right triaxial module and the laser welding head, and the local shaping tool are all fixed in the welding station.
Equipment electrical control board, equipment devices such as laser host computer can be placed to cover, equipment board base on the board, are convenient for simultaneously inspect and maintain and are dustproof.
Furthermore, the main positioning pin and the auxiliary positioning pin are formed by a main positioning pin assembly 17 and an auxiliary positioning pin assembly 18 together to form a positioning pin structure which is adaptive to the outer frame of the sheet metal.
Furthermore, the mounting surface of the L-shaped mounting bracket is also provided with a sheet metal inner supporting block 191 for supporting a sheet metal from the inner side, an inner auxiliary feeding leaning block 192 and a square hole auxiliary positioning component 193 located on the upper surface of the sheet metal.
Further, the welding machine tool bottom plate is detachably fixed on the welding station 111, and a welding tool handle is arranged on the surface of the welding machine tool bottom plate and used for replacing the welding machine tool bottom plate.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes and modifications can be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. The utility model provides a lampblack absorber panel beating shell laser welding equipment which characterized in that: the device comprises a product positioning tool, a left triaxial module, a laser welding head, a right triaxial module, a laser welding head and a local shaping tool; the product positioning tool is positioned between the left and right triaxial modules and the laser welding head; the local shaping tool is positioned at the upper end of the product positioning tool;
the product positioning tool comprises a welding machine tool bottom plate, an L-shaped mounting bracket, a main positioning pin, an auxiliary positioning pin, a sheet metal positioning pin, a welding bead inner support cylinder assembly, a welding bead fixing block assembly and a welding bead upper pressing cylinder assembly; the left side and the right side of the upper surface of the welding machine tool bottom plate are symmetrically fixed by the L-shaped mounting brackets to form a left symmetrical vertical mounting surface and a right symmetrical vertical mounting surface; the left and right mounting surfaces are symmetrically provided with main and auxiliary positioning pins which adapt to the shape of the outer ring of the metal plate; the left mounting surface and the right mounting surface are respectively provided with a metal plate positioning pin which can be sleeved on the metal plate inner ring; the metal plate positioning pin is L-shaped and can buckle the metal plate inner ring arranged in the positioning pin, and the bottom of the metal plate positioning pin is fixedly connected to the left mounting surface and the right mounting surface through the left rotating cylinder and the right rotating cylinder; the number of the metal plate positioning pins is 4, and the metal plate positioning pins are respectively positioned at four angular positions of the metal plate inner ring; the left and right rotary cylinders are used for driving the sheet metal positioning pin to clamp and sleeve the sheet metal of the sheet metal positioning pin; the inner support cylinder assemblies of the weld bead are arranged at two angular positions inside the weld bead to be welded on the left and right mounting surfaces; the supporting part of the internal support cylinder assembly in the weld bead is adaptive to the shape of the corner to be welded, and the edge contacted with the internal support cylinder can be supported outwards under the driving of the internal support cylinder; a welding bead fixing block assembly in the vertical direction is arranged outside the corner where the welding bead is located; the welding bead fixing block assembly comprises a fixing block and a cylinder connected with the fixing block; the fixed block realizes inward support of the metal plate in the vertical direction through an air cylinder, and the fixed block is slightly lower than the weld bead; a welding bead upper pressing cylinder assembly in the horizontal direction is arranged outside the angle where the welding bead is located; the upper pressing air cylinder assembly comprises a pressing block which is controlled by an air cylinder to move; the pressing block is driven by the cylinder to fix the upper edge of the corner where the welding bead is located downwards, and the pressing block is away from the welding bead by a preset distance;
the left triaxial module and the laser welding head, and the right triaxial module and the laser welding head are respectively arranged on the outer sides of the left welding bead and the right welding bead in a bilateral symmetry manner; each three-axis module and each laser welding head comprise a three-axis module welding base, an XYZ three-axis module, a welding head mounting assembly and a laser welding head; the XYZ triaxial module is fixedly arranged on the upper part of the triaxial module welding base; the XYZ three-axis module comprises a horizontal movement slide rail and a vertical movement slide rail which can move horizontally along the horizontal movement slide rail; the vertical moving slide rail is fixedly provided with a laser welding head through a welding head mounting assembly; the laser welding head is used for welding a corresponding welding bead; each three-axis module realizes horizontal and vertical movement through the corresponding servo motor control assembly;
the local shaping tool comprises a rubber cushion, a shaping pressing plate, a mounting plate, a servo electric cylinder and a servo motor which are sequentially mounted from bottom to top; the rubber cushion is fixed on the lower surface of the shaping pressing plate and is in direct contact with the edge where the welding bead to be welded of the sheet metal is located; the servo electric cylinder drives the rubber soft pad, the shaping pressing plate and the mounting plate to move up and down to fix the metal plate surface positioned at the lower part of the servo electric cylinder.
2. The laser welding equipment for the metal plate shells of the range hoods according to the claim 1, is characterized in that: the device also comprises a machine upper cover shell and an equipment machine base; the upper cover of the machine platform is fixedly connected with the base of the machine platform of the equipment, and a cavity serving as a welding station is arranged at the joint of the upper cover and the base of the machine platform of the equipment; and the product positioning tool, the left triaxial module and the laser welding head, the right triaxial module and the laser welding head, and the local shaping tool are all fixed in the welding station.
3. The laser welding equipment for the metal plate shells of the range hoods according to the claim 1, is characterized in that: the main positioning pin and the auxiliary positioning pin are formed by a main positioning pin component and an auxiliary positioning pin component together to form a positioning pin structure matched with the outer frame of the metal plate.
4. The laser welding equipment for the metal plate shells of the range hoods according to the claim 1, is characterized in that: the installation face of L installing support still sets up the square hole assistance-localization real-time subassembly that is used for from inside supporting metal plate inner support piece, the inside supplementary material of throwing that supports the panel beating and is located the panel beating upper surface position.
5. The laser welding equipment for the metal plate shells of the range hoods according to the claim 1, is characterized in that: the welding machine tool bottom plate is detachably fixed on a welding station, and a welding tool handle is arranged on the surface of the welding machine tool bottom plate and used for replacing the welding machine tool bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121922319.1U CN215393176U (en) | 2021-08-17 | 2021-08-17 | Laser welding equipment for metal plate shell of range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121922319.1U CN215393176U (en) | 2021-08-17 | 2021-08-17 | Laser welding equipment for metal plate shell of range hood |
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| Publication Number | Publication Date |
|---|---|
| CN215393176U true CN215393176U (en) | 2022-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121922319.1U Active CN215393176U (en) | 2021-08-17 | 2021-08-17 | Laser welding equipment for metal plate shell of range hood |
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| CN (1) | CN215393176U (en) |
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2021
- 2021-08-17 CN CN202121922319.1U patent/CN215393176U/en active Active
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