CN110948129A - Protection device for laser welding metal - Google Patents
Protection device for laser welding metal Download PDFInfo
- Publication number
- CN110948129A CN110948129A CN201911328717.8A CN201911328717A CN110948129A CN 110948129 A CN110948129 A CN 110948129A CN 201911328717 A CN201911328717 A CN 201911328717A CN 110948129 A CN110948129 A CN 110948129A
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- China
- Prior art keywords
- protective cover
- laser welding
- protection casing
- workbench
- laser
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/08—Devices involving relative movement between laser beam and workpiece
- B23K26/0869—Devices involving movement of the laser head in at least one axial direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses a protective device for laser welding metal, which comprises a workbench, wherein the left side of the workbench is connected with a first protective cover through a first stepping motor, the right side of the workbench is connected with a second protective cover through a second stepping motor, a first sliding chute and a second sliding chute are arranged on two sides of the workbench and movably connected with a first sliding block and a second sliding block at the bottoms of the first protective cover and the second protective cover, the first protective cover and the second protective cover comprise frames, grids are welded on the inner side and the outer side of each frame, toughened glass plates are fixedly arranged in the grids on the two sides, and dark acrylic plates are arranged in the middle of each toughened glass plate; the protective cover can be moved to open and close through the stepping motor, welding parts are convenient to operate and place, the electric cylinder drives the laser welding structure, height adjustment is achieved, energy loss is reduced, and the protective cover is provided with the toughened glass plate and the dark acrylic plate, so that laser radiation and strong light are isolated.
Description
Technical Field
The invention belongs to the technical field of laser welding, and particularly relates to a protective device for laser welding metal.
Background
Laser welding is an efficient precision welding method using a laser beam with high energy density as a heat source. Laser welding is one of the important aspects of the application of laser material processing techniques. The 20 th century and the 70 th century are mainly used for welding thin-wall materials and low-speed welding, and the welding process belongs to a heat conduction type, namely, the surface of a workpiece is heated by laser radiation, the surface heat is diffused inwards through heat conduction, and the workpiece is melted to form a specific molten pool by controlling parameters such as the width, the energy, the peak power, the repetition frequency and the like of laser pulses. Due to the unique advantages, the welding method is successfully applied to the precise welding of micro and small parts.
However, in the prior art, the welding structure needs to be protected when laser welding is performed, radiation and high-light influence of laser are both prevented, but the laser welding device in the prior art is rarely provided with a protection device and cannot realize safety protection, and some protection devices cannot realize movable adjustment, so that the laser welding device cannot conveniently place welding parts, the protection device is sealed as far as possible, laser radiation can be greatly reduced, the existing laser welding head is fixed and cannot realize movable adjustment, the middle space of laser during welding is large, the workload of the laser welding structure is increased, energy consumption is increased, and the welding level is reduced.
Therefore, the protective device for the laser welding metal solves the problems in the prior art, the protective cover of the protective device can be moved to be opened and closed through the stepping motor, a welding part is convenient to operate and place, the electric cylinder drives the laser welding structure, the height is adjusted, the energy loss is reduced, a toughened glass plate and a dark-colored acrylic plate are arranged on the protective device, and isolation of laser radiation and strong light is achieved.
Disclosure of Invention
The invention aims to provide a protective device for laser welding metal, which aims to solve the problems that in the prior art, a protective cover cannot realize movement adjustment, a laser welding structure cannot realize lifting adjustment, the protective cover cannot realize radiation and strong light isolation and the like.
In order to achieve the purpose, the invention adopts the following technical scheme:
a protection device for laser welding metal comprises a workbench, wherein a stand column is installed at one end of the workbench, an electric cylinder is fixedly installed at the top end of the stand column, an output end of the electric cylinder is movably connected with a telescopic loop bar and a telescopic rod, a lifting plate is fixedly connected at the top end of the telescopic rod, a connecting plate is welded at the top end of the lifting plate, a laser is fixedly installed on the connecting plate, a welding head is fixedly connected at the bottom of the laser, a first stepping motor is fixedly installed at the left side of the workbench, a first screw rod is fixedly connected at the output end of the first stepping motor, a second stepping motor is fixedly installed at the right side of the workbench, a second screw rod is fixedly connected at the output end of the second stepping motor, a first sliding groove and a second sliding groove are respectively formed in two sides of the workbench, a first protection cover and a second protection cover are movably arranged, the utility model discloses a safety protection device, including first protection casing, second protection casing, first slider and second slider, first slider movable clamping connects in the inside of first spout, second slider movable clamping connects in the inside of second spout, first screw rod threaded connection is inside the first slider of first protection casing, second screw rod threaded connection is inside the first slider of second protection casing, first protection casing and second protection casing are including the frame, the welding of the inside and outside both sides of frame has the graticule mesh, both sides the equal fixed mounting in inboard of graticule mesh has the toughened glass board, the middle fixed mounting of toughened glass board has dark inferior gram force board.
Preferably, a bearing seat is fixedly mounted in the middle of the front end of the workbench, a first bearing and a second bearing are respectively fixedly mounted at two ends of the bearing seat, a first screw rod is fixedly mounted in the first bearing, and a second screw rod is fixedly mounted in the second bearing.
Preferably, the inside cavity of stand, flexible loop bar and telescopic link activity are in the inside of stand, the lifter plate activity is in the inside of stand, the connecting plate laminating is in the outside of stand.
Preferably, the activity of flexible loop bar is in the output of electric jar, the flexible inside of being in flexible loop bar of telescopic link activity, flexible loop bar runs through in the top of stand.
Preferably, the inside fixed mounting of second spout has the slide bar, swing joint has the second slider of first protection casing and second protection casing on the slide bar.
Preferably, two sets of fixtures are fixedly mounted on the upper surface of the workbench, the two sets of fixtures are respectively fixed on the workbench on two side edges of the laser, and the two sets of fixtures realize clamping adjustment through the adjusting screw.
Preferably, the grid, the toughened glass plate and the dark acrylic plate are fixedly mounted on two side edges, the upper edge and the rear edge of the first protective cover and the second protective cover, and the total length of the first protective cover and the second protective cover which are attached together is equal to the length of the workbench.
Preferably, the end of the frame of the first protective cover is fixedly provided with a clamping block, the end of the frame of the second protective cover is fixedly provided with a clamping groove, the clamping block is clamped and connected in the clamping groove, and a rubber sealing gasket is connected in the clamping groove.
The invention has the technical effects and advantages that: compared with the prior art, the protective device for laser welding metal provided by the invention has the following advantages:
1. according to the invention, the movement adjustment of the protective cover is realized through the two groups of stepping motors and the two groups of screws, so that the protective cover can be opened when welding metal is placed, and can be closed when welding is carried out, and the radiation loss of a human body caused by laser can be prevented;
2. the protective cover is provided with the grid to fix the internal toughened glass plate and the dark acrylic plate, the toughened glass plate can realize the isolation of radiation generated by laser welding, so that radiation loss to a human body is prevented, and the dark acrylic plate can effectively reduce high-intensity light generated by laser welding and prevent the damage to eyes of the human body;
3. the lifting adjustment of the laser welding structure is realized through the electric cylinder, so that the laser welding structure can be adjusted and controlled according to the height position of a welding part, and the laser welding structure is suitable for different welding parts.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a three-dimensional schematic view of the shield of the present invention;
FIG. 3 is a side view of the shield attachment of the present invention;
FIG. 4 is a schematic view of part A of the present invention;
FIG. 5 is a schematic view of part B of the present invention;
fig. 6 is a schematic view of the electric cylinder lifting of the present invention.
In the figure: 1. a work table; 2. a column; 3. an electric cylinder; 4. a connecting plate; 5. a laser; 6. welding a head; 7. a clamp; 8. a first stepper motor; 9. a first screw; 10. a first shield; 11. a second stepping motor; 12. a second screw; 13. a second shield; 14. a bearing seat; 15. a frame; 16. grid forming; 17. a first chute; 18. a first slider; 19. a second chute; 20. a second slider; 21. a slide bar; 22. a first bearing; 23. a second bearing; 24. tempering the glass plate; 25. dark colored acrylic sheet; 26. a telescopic loop bar; 27. a telescopic rod; 28. a lifting plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present invention provides a protection device for laser welding metal as shown in fig. 1-6, comprising a worktable 1;
according to fig. 1 and fig. 6, in order to realize the lifting adjustment of the laser 5, an upright post 2 is installed at one end of a workbench 1, an electric cylinder 3 is fixedly installed at the top end of the upright post 2, an output end of the electric cylinder 3 is movably connected with a telescopic loop bar 26 and a telescopic rod 27, a lifting plate 28 is fixedly connected with the top end of the telescopic rod 27, a connecting plate 4 is welded at the top end of the lifting plate 28, the laser 5 is fixedly installed on the connecting plate 4, a welding head 6 is fixedly connected with the bottom of the laser 5, in order to make the appearance of the device neat and make the interior of the upright post 2 hollow, the telescopic loop bar 26 and the telescopic rod 27 are movably located in the interior of the upright post 2, the lifting plate 28 is movably located in the interior of the upright post 2, the connecting plate 4 is attached to the outer side of the upright post 2, the telescopic loop bar 26 is movably located in the output, in order to stably and fixedly clamp a welding part, two groups of clamps 7 are fixedly arranged on the upper surface of the workbench 1, the two groups of clamps 7 are respectively fixed on the workbench 1 on two side edges of the laser 5, and the two groups of clamps 7 realize clamping adjustment through adjusting screws;
according to fig. 1 and 4, in order to realize power output, a first stepping motor 8 is fixedly installed on the left side of a workbench 1, a first screw 9 is fixedly connected to the output end of the first stepping motor 8, a second stepping motor 11 is fixedly installed on the right side of the workbench 1, a second screw 12 is fixedly connected to the output end of the second stepping motor 11, a bearing seat 14 is fixedly installed in the middle of the front end of the workbench 1 in order to enable the first screw 9 and the second screw 12 to be fixedly installed and to rotate, a first bearing 22 and a second bearing 23 are respectively fixedly installed at two ends of the bearing seat 14, the first screw 9 is fixedly installed in the first bearing 22, and the second screw 12 is fixedly installed in the second bearing 23;
according to fig. 3, in order to movably connect the first shield 10 and the second shield 13 to the workbench 1, a first sliding groove 17 and a second sliding groove 19 are respectively formed on two sides of the workbench 1, the workbench 1 is movably provided with the first shield 10 and the second shield 13, a first slider 18 and a second slider 20 are respectively fixedly arranged on two inner sides of the bottom of the first shield 10 and the bottom of the second shield 13, the first slider 18 is movably connected to the inside of the first sliding groove 17 in a clamping manner, the second slider 20 is movably connected to the inside of the second sliding groove 19 in a clamping manner, in order to reduce friction when the first shield 10 and the second shield 13 move, a sliding rod 21 is fixedly installed inside the second sliding groove 19, the sliding rod 21 is movably connected to the second slider 20 of the first shield 10 and the second shield 13, in order to enable the first stepping motor 8 and the second stepping motor 11 to drive the first shield 10 and the second shield 13 to move, the first screw rod 9 is connected in the first sliding block 18 of the first protective cover 10 in a threaded manner, and the second screw rod 12 is connected in the first sliding block 18 of the second protective cover 13 in a threaded manner;
according to fig. 2 and 5, in order to enable the internal structures of the first protective cover 10 and the second protective cover 13 to be fixedly supported, the first protective cover 10 and the second protective cover 13 include a frame 15, grids 16 are welded on the inner side and the outer side of the frame 15, in order to prevent the welding radiation from damaging the human body, a tempered glass plate 24 is fixedly installed on the inner sides of the grids 16 on both sides, in order to filter the strong light of the welding, a dark acrylic plate 25 is fixedly installed in the middle of the tempered glass plate 24, the grids 16, the tempered glass plate 24 and the dark acrylic plate 25 are fixedly installed on the two sides, the upper side and the rear side of the first protective cover 10 and the second protective cover 13, in order to enable the first protective cover 10 and the second protective cover 13 to completely cover the whole workbench 1, the total length of the first protective cover 10 and the second protective cover 13 which are attached together is equal to the length of the workbench 1, in order to enable the first protection cover 10 and the second protection cover 13 to be connected in a sealing manner, a clamping block is fixedly arranged at the end of the frame 15 of the first protection cover 10, a clamping groove is fixedly arranged at the end of the frame 15 of the second protection cover, the clamping block is clamped and connected in the clamping groove, and a rubber sealing gasket is connected in the clamping groove.
The working principle is as follows: firstly, welding workpieces to be welded in a clamp 7 on the upper surface of a workbench 1 respectively, then slowly lowering a laser 5 through an electric cylinder 3, then starting a first stepping motor 8 and a second stepping motor 11, enabling the first stepping motor 8 to drive a first protective cover 10 to move through a first screw 9, simultaneously enabling the second stepping motor 11 to drive a second protective cover 13 to move through a second screw 12, enabling the first protective cover 10 and the second protective cover 13 to be in contact and stably clamped together, then starting the laser 5, realizing welding of a welded part through a welding head 6, isolating radiation generated by laser by a toughened glass plate 24 during welding, isolating strong light of laser welding by a dark acrylic plate 25, preventing discomfort of eyes of people, after welding is completed, controlling the first protective cover 10 and the second protective cover 13 to move and open through the first stepping motor 8 and the second stepping motor 11, and taking down the welding part.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides a laser welding is protector for metal, includes workstation (1), its characterized in that: the automatic lifting device is characterized in that an upright post (2) is installed at one end of a workbench (1), an electric cylinder (3) is fixedly installed at the top end of the upright post (2), an output end of the electric cylinder (3) is movably connected with a telescopic loop bar (26) and a telescopic rod (27), a lifting plate (28) is fixedly connected to the top end of the telescopic rod (27), a connecting plate (4) is welded to the top end of the lifting plate (28), a laser (5) is fixedly installed on the connecting plate (4), a welding head (6) is fixedly connected to the bottom of the laser (5), a first stepping motor (8) is fixedly installed on the left side of the workbench (1), a first screw (9) is fixedly connected to the output end of the first stepping motor (8), a second stepping motor (11) is fixedly installed on the right side of the workbench (1), and a second screw (12) is fixedly connected to the output end of the second, first spout (17) and second spout (19) have been seted up respectively to the both sides of workstation (1), the activity is equipped with first protection casing (10) and second protection casing (13) on workstation (1), the bottom both sides inboard of first protection casing (10) and second protection casing (13) is equallyd divide and is fixed first slider (18) and second slider (20) of being equipped with respectively, first slider (18) activity block is connected in the inside of first spout (17), second slider (20) activity block is connected in the inside of second spout (19), first screw rod (9) threaded connection is inside first slider (18) of first protection casing (10), second screw rod (12) threaded connection is inside first slider (18) of second protection casing (13), first protection casing (10) and second protection casing (13) are including frame (15), the welding of the inside and outside both sides of frame (15) has graticule mesh (16), both sides the inboard equal fixed mounting of graticule mesh (16) has toughened glass board (24), the middle fixed mounting of toughened glass board (24) has dark inferior gram force board (25).
2. The shielding device for laser welding metal according to claim 1, wherein: fixed mounting has bearing frame (14) in the middle of the front end of workstation (1), the both ends of bearing frame (14) are fixed mounting respectively has first bearing (22) and second bearing (23), fixed mounting has first screw rod (9) in first bearing (22), and the inside fixed mounting of second bearing (23) has second screw rod (12).
3. The shielding device for laser welding metal according to claim 1, wherein: the inside cavity of stand (2), flexible loop bar (26) and telescopic link (27) activity are in the inside of stand (2), lifter plate (28) activity is in the inside of stand (2), the laminating of connecting plate (4) is in the outside of stand (2).
4. The shielding device for laser welding metal according to claim 1, wherein: the telescopic sleeve rod (26) is movably arranged in the output end of the electric cylinder (3), the telescopic rod (27) is movably arranged in the telescopic sleeve rod (26), and the telescopic sleeve rod (26) penetrates through the top end of the upright post (2).
5. The shielding device for laser welding metal according to claim 1, wherein: the inside fixed mounting of second spout (19) has slide bar (21), swing joint has second slider (20) of first protection casing (10) and second protection casing (13) on slide bar (21).
6. The shielding device for laser welding metal according to claim 1, wherein: the upper surface fixed mounting of workstation (1) has two sets of anchor clamps (7), and two sets of anchor clamps (7) are fixed respectively on workstation (1) on laser instrument (5) both sides limit, and two sets of anchor clamps (7) realize pressing from both sides tight regulation through adjusting screw.
7. The shielding device for laser welding metal according to claim 1, wherein: grid meshes (16), toughened glass plates (24) and dark-colored acrylic plates (25) are fixedly mounted on two side edges, the upper edge and the rear edge of the first protective cover (10) and the second protective cover (13), and the total length of the first protective cover (10) and the second protective cover (13) which are attached together is equal to the length of the workbench (1).
8. The shielding device for laser welding metal according to claim 1, wherein: the end part of the frame (15) of the first protective cover (10) is fixedly provided with a clamping block, the end part of the frame (15) of the second protective cover is fixedly provided with a clamping groove, the clamping block is clamped and connected in the clamping groove, and a rubber sealing gasket is connected in the clamping groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911328717.8A CN110948129A (en) | 2019-12-20 | 2019-12-20 | Protection device for laser welding metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911328717.8A CN110948129A (en) | 2019-12-20 | 2019-12-20 | Protection device for laser welding metal |
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| Publication Number | Publication Date |
|---|---|
| CN110948129A true CN110948129A (en) | 2020-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911328717.8A Pending CN110948129A (en) | 2019-12-20 | 2019-12-20 | Protection device for laser welding metal |
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| CN (1) | CN110948129A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112935663A (en) * | 2021-01-28 | 2021-06-11 | 武汉毅丰隆电子科技有限公司 | Mainboard welding equipment for electronic device |
| CN116021130A (en) * | 2023-02-01 | 2023-04-28 | 江苏诚天机械有限公司 | Intelligent welding device for bottom fork tube of environment-friendly motorcycle |
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| CN116021130A (en) * | 2023-02-01 | 2023-04-28 | 江苏诚天机械有限公司 | Intelligent welding device for bottom fork tube of environment-friendly motorcycle |
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Application publication date: 20200403 |
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