External protection device for laser welding
By using a double-layer protective cover and a fan system, the hazards of radiation and fumes to operators during laser welding have been eliminated, achieving both safety protection and environmental protection.
Patent Information
- Application Number
- CN202423070036.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-12
AI Technical Summary
The intense laser radiation, high-temperature fumes, and spatter generated during laser welding pose a safety risk to operators, and the waste gas produced during the welding process may pollute the environment and personnel.
It adopts a double-layer protective cover and air pump system. The protective cover, made of high-strength and high-temperature resistant materials, covers the working area, absorbs and filters smoke and harmful gases, and forms a protective air curtain with inert gas to prevent oxidation and smoke generation.
It effectively reduces the hazards of laser radiation and welding spatter, reduces fume emissions, protects the health of operators, and prevents environmental pollution.
Smart Images
Figure CN223603646U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to laser welding protection technical field especially relates to a laser welding external protection device. BACKGROUND
[0002] Laser welding technology, with its outstanding process characteristics, occupies a pivotal position in the modern industrial manufacturing field, through the precise control of laser power, wavelength, pulse width and focusing state and other parameters, realizes the interaction between the welding material, thereby converts the light energy into heat energy, makes the local area melt rapidly and connects together.
[0003] However, the strong laser radiation, high temperature smoke, plasma and splashes generated in the laser welding process, etc., have a certain influence on the safety of the operator, and the waste gas generated in the welding process of the existing laser welding equipment, if not handled in time, may also pollute and harm the operating environment and the workers. UTILITY MODEL CONTENTS
[0004] The utility model discloses a laser welding external protection device, solve the existing problem.
[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a kind of laser welding external protection device, including workbench, the workbench outside is provided with lifting structure, and the workbench below is connected with control machine, the lifting structure outside is connected with laser welding body, and the lifting structure is rotating telescopic lifting structure, and the lifting structure above is connected with first protective cover, the first protective cover is used to cage cover protection to internal work area, first wind cover and second wind cover are connected on the side above the first protective cover, the first wind cover is used to filter smoke and harmful gas generated in the working process of laser welding body mutually.
[0006] Preferably, the lifting structure includes a supporting plate, a recess is formed in the middle of the supporting plate, and the recess is matched and clamped with the upper end structure of the workbench, four columnar supports are respectively connected to the lower end of the four corners of the supporting plate, and a rack is connected to one side of the columnar support.
[0007] Preferably, an outer column is arranged at the outer end of the four columnar supports, a square groove is formed in one side of the outer column, a gear is connected inside the square groove, the gear is matched and engaged with the rack, a rotating rod is connected inside the gear, and a motor is connected to one end of the rotating rod.
[0008] Preferably, a second protective cover is arranged inside the first protective cover, square grooves are formed in the longer sides of the first protective cover and the second protective cover, a door plate is connected inside the square groove, observation plates are connected to both sides of the first protective cover and the second protective cover, and a sealing strip is arranged on the outer periphery of the observation plate.
[0009] Preferably, the first air cover is arranged on one side above the first protective cover, the upper end of the first air cover is connected with a first air pump, the other end of the first air pump is connected with a first long pipe, and one end of the first long pipe is connected with a filter machine.
[0010] Preferably, the second air cover is connected to the other side above the first protective cover, one side of the upper end of the second air cover is connected with a second long pipe, one end of the second long pipe is connected with a second air pump, and the other end of the second air pump is connected with a gas storage tank.
[0011] The device is made of high-strength and high-temperature resistant material, the first protective cover and the second protective cover are connected to the upper side of the supporting plate, the first protective cover and the second protective cover are driven to rise by the meshing of the rotating gear and the rack, the first protective cover and the second protective cover are covered above the working area of the workbench, the welding splashes are prevented from splashing and hurting people, and the laser radiation is effectively reduced by double-layer protection. The first air cover and the second air cover are connected to the upper side of the first protective cover, the smoke and the like absorbed by the first air pump are discharged to the filter machine, the filter machine filters the smoke and the harmful gas generated in the welding process, and the filter machine prevents the smoke and the harmful gas from being directly discharged into the air to cause pollution. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is a structural schematic view of the utility model.
[0013] Figure 2 It is a lifting structure schematic view of the utility model.
[0014] Figure 3 It is a first protective cover schematic view of the utility model.
[0015] Figure 4 It is a first air cover schematic view of the utility model.
[0016] Figure 5 It is a second air cover schematic view of the utility model.
[0017] Mark No. in the drawing: 1, workbench; 2, lifting structure; 201, supporting plate; 202, column; 203, rack; 204, outer column; 205, gear; 206, rotating rod; 207, motor; 3, control machine; 4, laser welding body; 5, first protective cover; 501, second protective cover; 502, door plate; 503, observation plate; 6, first air cover; 601, first air pump; 602, first long pipe; 603, filter machine; 7, second air cover; 701, second long pipe; 702, second air pump; 703, gas storage tank. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.
[0019] Referring to Figures 1-5 A kind of external protection device for laser welding, including workbench 1, lifting structure 2 is provided on the outer side of workbench 1, and control machine 3 is connected below workbench 1, laser welding body 4 is connected to the outer side of lifting structure 2, and lifting structure 2 is rotating telescopic lifting structure, and first protective cover 5 is connected above lifting structure 2, and first protective cover 5 is used to cage cover protection to internal work area, first protective cover 5 upper side is connected with first wind cover 6 and second wind cover 7, and first wind cover 6 is used to filter smoke and harmful gas generated in the working process of laser welding body 4.
[0020] Referring to Figure 2 Lifting structure 2 includes supporting plate 201, recess is formed in the middle part of supporting plate 201, and the recess is matched and clamped with the upper end structure of workbench 1, four columnar supports 202 are connected to the lower end of supporting plate 201 respectively, rack 203 is connected to one side of columnar support 202, outer column 204 is provided at the outer end of four columnar supports 202, square groove is formed in one side of outer column 204, gear 205 is connected inside square groove, gear 205 is matched and engaged with rack 203, rotating rod 206 is connected inside gear 205, motor 207 is connected to one end of rotating rod 206, by rotating gear 205, gear 205 and rack 203 are engaged to drive columnar support 202 to move, columnar support 202 moves to push supporting plate 201 above to lift.
[0021] Referring to Figure 3 Second protective cover 501 is arranged inside first protective cover 5, square groove is formed in the longer side of first protective cover 5 and second protective cover 501, door plate 502 is connected inside square groove, observation plate 503 is connected to both sides of first protective cover 5 and second protective cover 501, sealing strip is arranged on the outer periphery of observation plate 503, material is placed on workbench 1 by door plate 502, which facilitates welding of laser welding body 4, double-layer cage cover is formed by first protective cover 5 and second protective cover 501, to prevent smoke leakage and welding splashing from hurting people.
[0022] Referring to Figure 4 , Figure 5The first wind cover 6 is arranged on one side above the first protective cover 5, the first wind cover 6 is connected with the first wind pump 601 at the upper end, the other end of the first wind pump 601 is connected with the first long pipe 602, one end of the first long pipe 602 is connected with the filter 603, the second wind cover 7 is connected to the other side above the first protective cover 5, one side of the upper end of the second wind cover 7 is connected with the second long pipe 701, one end of the second long pipe 701 is connected with the second wind pump 702, the other end of the second wind pump 702 is connected with the gas storage tank 703, the smoke absorbed by the first wind pump 601 is filtered through the filter 603, the smoke dust and harmful gas generated in the welding process are treated and discharged through the filter 603, the inert gas in the gas storage tank 703 is sprayed through the second wind cover 7, the oxygen at the welding position is prevented from being rapidly oxidized, and the generation of smoke dust is reduced.
[0023] Working principle: first, the first protective cover 5 and the second protective cover 501 are made of high-strength, high-temperature-resistant and corrosion-resistant materials, so that the high temperature and spatter impact during laser welding can be resisted, according to the length and width dimensions of the table top on the workbench 1, the first protective cover 5 and the second protective cover 501 are designed and made, and are connected to the top of the supporting plate 201, the material is placed on the workbench 1, the motor 207 is started to rotate the rotating rod 206, the rotating rod 206 drives the gear 205 to rotate, the gear 205 drives the rack 203 to move through the mutual engagement of the gear 205 and the rack 203, the table column 202 moves to push the supporting plate 201 above to move up and down, the supporting plate 201 rises to drive the first protective cover 5 and the second protective cover 501 to cover and protect the working area of the laser welding body 4, the laser welding body 4 starts to work, the second wind pump 702 is started to spray the inert gas in the gas storage tank 703 to the second wind cover 7 through the second long pipe 701, a gas curtain is formed in the welding area of the laser welding body 4, the oxygen at the welding position is prevented from being rapidly oxidized, and the generated smoke is absorbed and transmitted to the filter 603 through the cooperation of the first wind pump 601, and is filtered and discharged.
[0024] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. An external protection device for laser welding, comprising a worktable (1), characterized in that, The workbench (1) outside is provided with a lifting structure (2), and the workbench (1) is connected with a control machine (3) below, the lifting structure (2) is connected with a laser welding body (4) outside, and the lifting structure (2) is a rotating telescopic lifting structure, and the lifting structure (2) is connected with a first protective cover (5) above, the first protective cover (5) is used for shielding the internal working area, the first protective cover (5) is connected with a first wind cover (6) and a second wind cover (7) on one side above, the first wind cover (6) is used for filtering smoke and harmful gas generated in the working process of the laser welding body (4).
2. The external shielding device for laser welding according to claim 1, characterized in that, The lifting structure (2) comprises a supporting plate (201), a groove is formed in the middle of the supporting plate (201), and the groove is matched and clamped with the upper end structure of the workbench (1), four columnar supports (202) are connected to the lower end of the supporting plate (201) respectively, and a rack (203) is connected to one side of the columnar support (202).
3. The external shield for laser welding according to claim 2, characterized in that Four outer columns (204) are arranged at the outer ends of the columnar supports (202), a square groove is formed in one side of the outer column (204), a gear (205) is connected inside the square groove, the gear (205) is matched and engaged with the rack (203), a rotating rod (206) is connected inside the gear (205), and a motor (207) is connected to one end of the rotating rod (206).
4. The external shield for laser welding according to claim 1, characterized in that, The first protective cover (5) is provided with a second protective cover (501) inside, square grooves are formed in the longer sides of the first protective cover (5) and the second protective cover (501), a door plate (502) is connected inside the square groove, observation plates (503) are connected to the two sides of the first protective cover (5) and the second protective cover (501), and sealing strips are arranged on the outer periphery of the observation plates (503).
5. The external shield for laser welding according to claim 1, wherein The first wind cover (6) is arranged on one side above the first protective cover (5), a first air pump (601) is connected to the upper end of the first wind cover (6), a first long pipe (602) is connected to the other end of the first air pump (601), and a filter machine (603) is connected to one end of the first long pipe (602).
6. The external shielding device for laser welding according to claim 1, characterized in that, The second wind cover (7) is connected to the other side above the first protective cover (5), a second long pipe (701) is connected to one side above the second wind cover (7), a second air pump (702) is connected to one end of the second long pipe (701), and a gas storage tank (703) is connected to the other end of the second air pump (702).