CN113579422A - Welding process of mounting plate of central control box - Google Patents
Welding process of mounting plate of central control box Download PDFInfo
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- CN113579422A CN113579422A CN202110918576.6A CN202110918576A CN113579422A CN 113579422 A CN113579422 A CN 113579422A CN 202110918576 A CN202110918576 A CN 202110918576A CN 113579422 A CN113579422 A CN 113579422A
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- welding
- mounting plate
- control box
- central control
- box
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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
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
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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
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
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- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
Abstract
The invention belongs to the technical field of welding, and particularly relates to a welding process of a mounting plate of a central control box, which comprises the following steps: s1: primarily polishing the mounting plate of the central control box and the to-be-welded area of the automobile frame through polishing pieces, and then wiping through cleaning fluid; s2: preheating the mounting plate of the central control box, and then attaching and fixing the to-be-welded area of the mounting plate of the central control box and the to-be-welded area of the automobile through a clamp; s3: firstly, prewelding the welding through a tungsten electrode, and then welding a central control box mounting plate on a to-be-welded area of the automobile in a welding mode to obtain a final welding seam; s4: wiping the surface of a welding workpiece clean, and then detecting and evaluating through a weldment appearance detection system; the invention provides a welding process for a mounting plate of a central control box, which aims to solve the problems that welding quality levels are uneven, welding efficiency is influenced and welding defective goods are easy to occur due to the fact that the operation is too complicated and a uniform welding process is not available when the mounting plate of the hollow box is welded and mounted.
Description
Technical Field
The invention belongs to the technical field of welding, and particularly relates to a welding process of a mounting plate of a central control box.
Background
The welding process is one of four major processes for manufacturing automobiles, has the characteristics of high speed and automation, and along with the generation of science and technology, the improvement of the welding process level is beneficial to the improvement of the automobile manufacturing quality.
The welding modes include arc welding, resistance welding, gas welding, laser welding, ultrasonic welding and the like, different welding modes are suitable for different welding positions, and the proper welding mode is selected, so that the welding quality can be improved, and the welding efficiency can be improved.
In the prior art, when the mounting plate of the hollow box is welded and mounted, the operation is complicated, a uniform welding process is not available, welding quality levels are uneven, welding efficiency is affected, and welding defective products are prone to occurring.
Disclosure of Invention
The invention provides a welding process for a mounting plate of a central control box, which aims to make up for the defects of the prior art and solve the problems that when the mounting plate of the central control box is welded and mounted, the operation is too complicated, a uniform welding process is not available, the welding quality is uneven, the welding efficiency is influenced, and welding defective products are easy to occur.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a welding process of a mounting plate of a central control box, which comprises the following steps:
s1: primarily polishing the mounting plate of the central control box and the to-be-welded area of the automobile frame through polishing pieces, and then wiping through cleaning fluid;
s2: preheating the mounting plate of the central control box, and then attaching and fixing the to-be-welded area of the mounting plate of the central control box and the to-be-welded area of the automobile through a clamp;
s3: firstly, prewelding the welding through a tungsten electrode, and then welding a central control box mounting plate on a to-be-welded area of the automobile in a welding mode to obtain a final welding seam;
s4: and wiping the surface of the welding workpiece, and then detecting and evaluating through a weldment appearance detection system.
The welding process can provide a stable working environment for welding, and the welding seam quality can be effectively guaranteed through detection of the weldment appearance detection system.
Preferably, the weldment appearance detection system comprises an appearance acquisition module, an image processing module and a calculation evaluation module; the appearance acquisition module acquires the appearance of the welding line, then the appearance is converted into a digital module through the image processing module, and then the welding workpiece is evaluated through the calculation evaluation module; during operation, the quality of the welding seam is detected through the weldment appearance detection system, and when the welding seam is defective, the weldment appearance detection system can give an early warning, so that the welding seam quality is ensured.
Preferably, the cleaning solution is an ethanol solution with the mass fraction of 20%; during operation, the pollutants in the area to be welded can be wiped clean through the 20% ethanol solution, and the pollutants can be quickly gasified without affecting the subsequent welding operation of the area to be welded.
Preferably, the grinding piece is a grinding disc; during operation, through polishing of the polishing disc, the oxygen layer can be removed while the welding area is ensured to be in a smooth plane, and a stable welding environment is provided for welding.
Preferably, the temperature of the preheating treatment is between 200 and 350 ℃; during operation, the preheated central control box mounting plate can reduce the cooling rate after welding, thereby being beneficial to avoiding the occurrence of welding cracks and improving the crack resistance of a welding joint.
Preferably, the welding mode is carbon dioxide arc welding; during working, the carbon dioxide arc welding is manual welding, so that the welding productivity of the hollow box mounting plate is favorably improved, the carbon dioxide has a cooling effect, the welding deformation after welding is small, and hydrogen holes are further prevented.
Preferably, the carbon dioxide arc welding is performed through a welding box; the welding box is connected with a welding handle through a hose; a first cavity is formed in the welding box; the top end of the first cavity is fixedly connected with a push plate through a spring; a group of supporting legs is fixedly connected to the bottom end of the push plate; the bottom end of the supporting leg is provided with a universal wheel; a through hole is formed in the position, relative to the supporting leg, of the bottom end of the first cavity; a pushing assembly is arranged between the push plate and the top end of the first cavity; when the welding box moves to a specified position, the push plate moves downwards by rotating the pushing assembly, the push plate moves downwards to drive the supporting legs to extend out of the welding box through the through holes, the universal wheels on the supporting legs are in contact with the external ground, the welding box is conveniently pushed, and the moving efficiency is improved; when removing the welding case assigned position, let the push pedal shift up through promoting the subassembly, in retracting the universal wheel indentation through-hole, let welding bottom of the case end and ground contact each other, can give a stable welding environment.
Preferably, the pushing assembly comprises a rotating shaft; the side wall of the first cavity is rotatably connected with a rotating shaft; a cam is fixedly connected to the rotating shaft; the cam and the push plate are contacted with each other; one end of the rotating shaft extends out of the welding box and is fixedly connected with a Z-shaped handle; when the push plate pushing device works, when the push plate needs to be pushed downwards, the Z-shaped handle is rotated, so that the rotating shaft is driven to rotate, the rotating shaft can drive the cam to rotate, the tip end of the cam is in contact with the push plate, the push plate is at the lowest end, and the universal wheel is in contact with the ground at the moment, so that the push plate pushing device is convenient to move; when needs use the welding case, rotate Z shape handle, drive the cam through the axis of rotation and rotate, let the arc end and the push pedal of cam contact each other, the push pedal is in the highest point this moment, and the universal wheel is located the through-hole, and welding bottom of the case end and ground contact each other, guarantee welding stability.
Preferably, a pair of clamping grooves which are symmetrically distributed about the rotating shaft are formed in the side wall of the welding box; the connecting line of the pair of clamping grooves is in a vertical state; a clamping column penetrates through the Z-shaped handle; a clamping ring is fixedly connected to the end part of the clamping column; when the welding box is in operation, when the push plate is positioned at the bottommost end, the pull ring is pushed at the moment, the clamping columns are clamped into the corresponding clamping grooves, the Z-shaped handle is fixed, the push plate is further fixed, the push plate is always kept at the bottommost end, and the welding box is convenient to move; when the push pedal is in the highest point, promote the pull ring this moment, let the screens post block go into corresponding screens inslot, fixed Z shape handle, and then let the push pedal fix when the highest point, let the condition that the push pedal can not appear rocking.
The invention has the following beneficial effects:
1. according to the welding process of the mounting plate of the central control box, a stable working environment can be provided for welding through the welding process, and the quality of a welding seam can be effectively guaranteed through detection of a weldment appearance detection system.
2. According to the welding process of the central control box mounting plate, the preheated central control box mounting plate can reduce the cooling rate after welding, so that not only can welding cracks be avoided, but also the crack resistance of a welding joint can be improved.
3. According to the welding process of the mounting plate of the central control box, the carbon dioxide arc welding is manual welding, so that the welding productivity of the mounting plate of the hollow box is improved, the carbon dioxide has a cooling effect, the welding deformation after welding is small, and hydrogen holes are further prevented.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a flow chart of a welding process of a center box mounting plate according to the present invention;
FIG. 2 is a perspective view of a weld box;
FIG. 3 is a cross-sectional view of a weld box;
FIG. 4 is a side view of a weld box;
illustration of the drawings: 1. welding a box; 11. welding a handle; 12. a first cavity; 13. pushing the plate; 14. a support leg; 15. a through hole; 16. a universal wheel; 17. a rotating shaft; 18. a cam; 19. a Z-shaped handle; 2. a position clamping column; 21. a snap ring; 22. screens groove.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 4, the welding process of the mounting plate of the center control box according to the present invention includes the following steps:
s1: primarily polishing the mounting plate of the central control box and the to-be-welded area of the automobile frame through polishing pieces, and then wiping through cleaning fluid;
s2: preheating the mounting plate of the central control box, and then attaching and fixing the to-be-welded area of the mounting plate of the central control box and the to-be-welded area of the automobile through a clamp;
s3: firstly, prewelding the welding through a tungsten electrode, and then welding a central control box mounting plate on a to-be-welded area of the automobile in a welding mode to obtain a final welding seam;
s4: wiping the surface of a welding workpiece clean, and then detecting and evaluating through a weldment appearance detection system;
the welding process can provide a stable working environment for welding, and the welding seam quality can be effectively guaranteed through detection of the weldment appearance detection system.
As one embodiment of the invention, the weldment appearance detection system comprises an appearance acquisition module, an image processing module and a calculation evaluation module; the appearance acquisition module acquires the appearance of the welding line, then the appearance is converted into a digital module through the image processing module, and then the welding workpiece is evaluated through the calculation evaluation module; during operation, the quality of the welding seam is detected through the weldment appearance detection system, and when the welding seam is defective, the weldment appearance detection system can give an early warning, so that the welding seam quality is ensured.
As an embodiment of the present invention, the cleaning solution is an ethanol solution with a mass fraction of 20%; during operation, the pollutants in the area to be welded can be wiped clean through the 20% ethanol solution, and the pollutants can be quickly gasified without affecting the subsequent welding operation of the area to be welded.
As an embodiment of the present invention, the grinding member is a grinding disc; during operation, through polishing of the polishing disc, the oxygen layer can be removed while the welding area is ensured to be in a smooth plane, and a stable welding environment is provided for welding.
As an embodiment of the invention, the temperature of the preheating treatment is between 200 ℃ and 350 ℃; during operation, the preheated central control box mounting plate can reduce the cooling rate after welding, thereby being beneficial to avoiding the occurrence of welding cracks and improving the crack resistance of a welding joint.
As an embodiment of the present invention, the welding mode is carbon dioxide arc welding; during working, the carbon dioxide arc welding is manual welding, so that the welding productivity of the hollow box mounting plate is favorably improved, the carbon dioxide has a cooling effect, the welding deformation after welding is small, and hydrogen holes are further prevented.
As an embodiment of the present invention, the carbon dioxide arc welding is performed by a welding box 1; the welding box 1 is connected with a welding handle 11 through a hose; a first cavity 12 is formed in the welding box 1; the top end of the first cavity 12 is fixedly connected with a push plate 13 through a spring; a group of supporting legs 14 are fixedly connected to the bottom end of the push plate 13; the bottom end of the supporting leg 14 is provided with a universal wheel 16; a through hole 15 is formed at the position of the bottom end of the first cavity 12 relative to the supporting leg 14; a pushing assembly is arranged between the push plate 13 and the top end of the first cavity 12; when the welding box 1 needs to be moved to a specified position during working, the push plate 13 is moved downwards by rotating the pushing assembly, the support legs 14 are driven by the downward movement of the push plate 13 to extend out of the welding box 1 through the through holes 15, the universal wheels 16 on the support legs 14 are contacted with the external ground, the welding box 1 is conveniently pushed, and the moving efficiency is improved; when moving welding case 1 to the assigned position, let push pedal 13 shift up through promoting the subassembly, with the universal wheel 16 shrink into through-hole 15 in, let welding case 1 bottom and ground contact each other, can give a stable welding environment.
As an embodiment of the present invention, the pushing assembly includes a rotating shaft 17; the side wall of the first cavity 12 is rotatably connected with a rotating shaft 17; a cam 18 is fixedly connected to the rotating shaft 17; the cam 18 and the push plate 13 are in contact with each other; one end of the rotating shaft 17 extends out of the welding box 1 and is fixedly connected with a Z-shaped handle 19; when the push plate pushing device works, when the push plate 13 needs to be pushed downwards, the Z-shaped handle 19 is rotated, the rotating shaft 17 is further driven to rotate, the rotating shaft 17 rotates to drive the cam 18 to rotate, the tip of the cam 18 is in contact with the push plate 13, the push plate 13 is at the lowest end, and the universal wheel 16 is in contact with the ground at the moment, so that the push plate is convenient to move; when needing to use welding case 1, rotate Z shape handle 19, drive cam 18 through axis of rotation 17 and rotate, let cam 18's arc end and push pedal 13 contact each other, push pedal 13 is in the highest end this moment, and universal wheel 16 is located through-hole 15, and welding case 1 bottom and ground contact each other, guarantee welding stability.
As an embodiment of the present invention, a pair of clamping grooves 22 symmetrically distributed about the rotation axis 17 is formed on the side wall of the welding box 1; the connecting line of the pair of clamping grooves 22 is in a vertical state; the Z-shaped handle 19 is provided with a clamping column 2 in a penetrating way; a clamping ring 21 is fixedly connected to the end part of the clamping column 2; when the welding box 1 works, when the push plate 13 is positioned at the bottommost end, the pull ring is pushed at the moment, the clamping columns 2 are clamped into the corresponding clamping grooves 22, the Z-shaped handle 19 is fixed, the push plate 13 is further fixed, the push plate 13 is always kept at the bottommost end, and the welding box 1 is convenient to move; when the push plate 13 is at the highest end, the pull ring is pushed at the moment, the clamping columns 2 are clamped into the corresponding clamping grooves 22, the Z-shaped handle 19 is fixed, and then the push plate 13 is fixed at the highest end, so that the push plate 13 cannot shake.
The working principle is as follows: when the welding box 1 needs to be moved to a specified position, the clamping column 2 is separated from the clamping groove 22 through the pull ring, the Z-shaped handle 19 is rotated, the rotating shaft 17 is further driven to rotate, the rotating shaft 17 rotates to drive the cam 18 to rotate, the tip of the cam 18 is contacted with the push plate 13, the push plate 13 is located at the lowest end, the universal wheel 16 is contacted with the ground, the pull ring pushes the clamping column 2 to be clamped into the clamping groove 22, the push plate 13 is fixed, the welding box 1 is conveniently pushed, and the moving efficiency is improved; when removing welding case 1 to the assigned position, break away from screens groove 22 with screens post 2 through the pull ring, rotate Z shape handle 19, it rotates to drive cam 18 through axis of rotation 17, let cam 18's arc end and push pedal 13 contact each other, push pedal 13 is in the highest end this moment, universal wheel 16 is located through-hole 15, 1 bottom of welding case and ground contact each other, it pushes away the pull ring in screens groove 22 to go through the back with screens post 2 card, fixed push pedal 13 this moment, can give a stable welding environment.
The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. A welding process for a mounting plate of a central control box is characterized by comprising the following steps:
s1: primarily polishing the mounting plate of the central control box and the to-be-welded area of the automobile frame through polishing pieces, and then wiping through cleaning fluid;
s2: preheating the mounting plate of the central control box, and then attaching and fixing the to-be-welded area of the mounting plate of the central control box and the to-be-welded area of the automobile through a clamp;
s3: firstly, prewelding the welding through a tungsten electrode, and then welding a central control box mounting plate on a to-be-welded area of the automobile in a welding mode to obtain a final welding seam;
s4: and wiping the surface of the welding workpiece, and then detecting and evaluating through a weldment appearance detection system.
2. The welding process of the mounting plate of the center control box according to claim 1, wherein the weldment appearance detection system comprises an appearance acquisition module, an image processing module and a calculation evaluation module; the appearance acquisition module acquires the appearance of the welding line, then the appearance is converted into a digital module through the image processing module, and then the welding workpiece is evaluated through the calculation evaluation module.
3. The welding process of the mounting plate of the center control box as claimed in claim 2, wherein the cleaning solution is 20% by mass ethanol solution.
4. The welding process of claim 3, wherein the grinding member is a grinding disc.
5. The process of claim 4, wherein the temperature of the preheating treatment is between 200 and 350 ℃.
6. The welding process of the center control box mounting plate as claimed in claim 5, wherein the welding mode is carbon dioxide arc welding.
7. The welding process of a center control box mounting plate as claimed in claim 6, wherein the carbon dioxide arc welding is performed by a welding box (1); the welding box (1) is connected with a welding handle (11) through a hose; a first cavity (12) is formed in the welding box (1); the top end of the first cavity (12) is fixedly connected with a push plate (13) through a spring; a group of supporting legs (14) are fixedly connected to the bottom end of the push plate (13); the bottom end of the supporting leg (14) is provided with a universal wheel (16); a through hole (15) is formed in the position, relative to the supporting leg (14), of the bottom end of the first cavity (12); a pushing assembly is arranged between the push plate (13) and the top end of the first cavity (12).
8. The welding process of a console box mounting plate according to claim 7, characterized in that the pushing assembly comprises a rotating shaft (17); the side wall of the first cavity (12) is rotatably connected with a rotating shaft (17); a cam (18) is fixedly connected to the rotating shaft (17); the cam (18) and the push plate (13) are in contact with each other; one end of the rotating shaft (17) extends out of the welding box (1) and is fixedly connected with a Z-shaped handle (19).
9. The welding process of the mounting plate of the center control box as claimed in claim 8, wherein a pair of clamping grooves (22) symmetrically distributed about the rotating shaft (17) are formed in the side wall of the welding box (1); the connecting line of the clamping grooves (22) is in a vertical state; a clamping column (2) penetrates through the Z-shaped handle (19); and a clamping ring (21) is fixedly connected to the end part of the clamping column (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110918576.6A CN113579422A (en) | 2021-08-11 | 2021-08-11 | Welding process of mounting plate of central control box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110918576.6A CN113579422A (en) | 2021-08-11 | 2021-08-11 | Welding process of mounting plate of central control box |
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| CN113579422A true CN113579422A (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110918576.6A Pending CN113579422A (en) | 2021-08-11 | 2021-08-11 | Welding process of mounting plate of central control box |
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| CN105345237A (en) * | 2015-12-10 | 2016-02-24 | 河北沧海核装备科技股份有限公司 | Device and process method for automatically controlling welding seam shape in longitudinal submerged arc welding |
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| CN108994466A (en) * | 2018-10-26 | 2018-12-14 | 江苏宏鹏电气科技有限公司 | A kind of welding procedure of electrical switchgear cabinet |
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| CN213497391U (en) * | 2020-09-14 | 2021-06-22 | 江苏长龙汽车配件制造有限公司 | Automobile front cover welding assembly with high strength |
| CN213544516U (en) * | 2020-11-05 | 2021-06-25 | 西藏永蓝环保科技有限公司 | Exhaust gas detection device convenient to carry |
| CN213610637U (en) * | 2020-10-27 | 2021-07-06 | 四川奥克莱特生物科技有限公司 | Convenient freeze dryer that removes |
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2021
- 2021-08-11 CN CN202110918576.6A patent/CN113579422A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105345237A (en) * | 2015-12-10 | 2016-02-24 | 河北沧海核装备科技股份有限公司 | Device and process method for automatically controlling welding seam shape in longitudinal submerged arc welding |
| CN207541547U (en) * | 2017-09-29 | 2018-06-26 | 浙江两山信息科技有限公司 | A kind of fixed computer easy to remove |
| CN209095006U (en) * | 2018-10-24 | 2019-07-12 | 浙江瑞浦精密金属制品有限公司 | A kind of stainless steel bars cutting auxiliary device |
| CN108994466A (en) * | 2018-10-26 | 2018-12-14 | 江苏宏鹏电气科技有限公司 | A kind of welding procedure of electrical switchgear cabinet |
| CN213497391U (en) * | 2020-09-14 | 2021-06-22 | 江苏长龙汽车配件制造有限公司 | Automobile front cover welding assembly with high strength |
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Application publication date: 20211102 |