CN115846832A - Method and system for eliminating defect of repair welding air holes of aluminum casting - Google Patents
Method and system for eliminating defect of repair welding air holes of aluminum casting Download PDFInfo
- Publication number
- CN115846832A CN115846832A CN202211553809.8A CN202211553809A CN115846832A CN 115846832 A CN115846832 A CN 115846832A CN 202211553809 A CN202211553809 A CN 202211553809A CN 115846832 A CN115846832 A CN 115846832A
- Authority
- CN
- China
- Prior art keywords
- defect
- welding
- casting
- eliminating
- base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Arc Welding In General (AREA)
Abstract
The invention relates to the technical field of welding of aluminum castings, in particular to a method and a system for eliminating the defect of a repair welding air hole of an aluminum casting; the workbench comprises a workbench, a pedestal, two centre gripping subassemblies, welding robot and automatic coating mechanism, automatic coating mechanism is including promoting the subassembly, a slide rail, the sliding seat, the storage tank, pipeline, the installation arm, the xarm, electric putter, the mount pad, shower nozzle and coating subassembly, the foundry goods after will preheating is placed on the base, utilize two centre gripping subassemblies, with firm centre gripping of foundry goods in the clamping area, start the promotion subassembly, it slides on the slide rail to drive the sliding seat, make the shower nozzle be located the top of foundry goods defect department, utilize pipeline, carry the pasty solder flux in the storage tank to shower nozzle department, cooperation electric putter, paste the solder flux in the defect department spraying of foundry goods, start the coating subassembly, the even coating in defect department of foundry goods of pasty solder flux department is in the defect department of foundry goods, adopt above-mentioned structure, degree of automation is higher, it is more convenient to operate.
Description
Technical Field
The invention relates to the technical field of aluminum casting welding, in particular to a method and a system for eliminating the defect of air holes in repair welding of aluminum castings.
Background
When casting defects such as shrinkage porosity, air holes and the like are generated in the casting process of the aluminum casting, welding repair is usually needed, and due to structural limitation of large or complex castings or due to misoperation in the casting process, the whole or local gas (hydrogen) content of a casting matrix is high. When the castings are subjected to repair welding, dense linear air holes are often generated along the arc surface of the groove of the original matrix, so that the repair welding rejection rate of the castings is extremely high, and particularly the aluminum-silicon alloy castings with large suction tendency are obtained.
In order to solve the above problems, the prior publication (CN 101497146A) discloses a method for eliminating the air hole defect of repair welding of aluminum castings, which adopts the argon tungsten-arc welding with special argon tungsten-arc welding flux, and the process parameters are as follows: welding current: 110-380A, preheating temperature: 60-160 ℃, welding speed: 7-25m/h, tungsten electrode diameter: phi 3.2-8.0mm, welding wire diameter: 1.6-6.0mm, argon flow: 14-110L/min; forming a groove, cleaning a welding area, and preheating; cleaning the welding wires; coating the welding flux on the surface of the groove, or roasting one end of a welding wire and then dipping a proper amount of dry welding flux to immediately perform welding; immediately after welding, the flux residue on the surface of the welding area is cleaned by hot water. The method has the advantages that: by adopting argon tungsten-arc welding and the welding flux and matching with the set of argon tungsten-arc welding process, the air hole defect is eliminated, and the difficult problem of repair welding of aluminum castings is solved. The repair welding process technology can eliminate or effectively reduce the defect of air holes in the repair welding area.
However, the existing method for eliminating the defect of the air hole during repair welding of the aluminum casting needs to manually coat the pasty welding flux on the surface of the groove of the aluminum casting by a worker, so that the operation is troublesome.
Disclosure of Invention
The invention aims to provide a method and a system for eliminating the defect of the weld repair air holes of an aluminum casting, and solves the problem that in the prior art, the operation is troublesome because a worker needs to manually coat a pasty welding flux on the surface of a groove of the aluminum casting uniformly in the process of weld repair of the aluminum casting by adopting the existing method for eliminating the defect of the weld repair air holes of the aluminum casting.
In order to achieve the purpose, the invention provides a system for eliminating the air hole defect of repair welding of an aluminum casting, which comprises a workbench, a base, two clamping components, a welding robot and an automatic coating mechanism, wherein the base is arranged on the upper surface of the workbench, the clamping components are arranged on two sides of the base, the output ends of the two clamping components form a clamping area, the clamping area is positioned above the base, the welding robot is also arranged on the upper surface of the workbench, and the output end of the welding robot is positioned above the base;
the automatic coating mechanism comprises a pushing assembly, a sliding rail, a sliding seat, a storage tank, a conveying pipeline, an installation arm, a cross arm, an electric push rod, an installation seat, a sprayer and a coating assembly, wherein the sliding rail is arranged on one side of the base, the sliding seat is arranged on the sliding rail in a sliding mode, the pushing assembly is arranged on the upper surface of the workbench and used for pushing the sliding seat to slide on the sliding rail, the upper surface of the sliding seat is further provided with the installation arm, one end of the sliding seat is far away from the installation arm, the cross arm is perpendicular to the installation arm, one end of the installation arm is provided with the electric push rod, the output end of the electric push rod is provided with the installation seat, the bottom of the installation seat is provided with the sprayer and the coating assembly, the upper surface of the cross arm is further provided with the storage tank and the conveying pipeline, the input end of the conveying pipeline corresponds to the output end of the storage tank, and the input end of the sprayer corresponds to the output end of the conveying pipeline.
Wherein, the coating subassembly includes mounting bracket, driving motor, axis of rotation and coating cylinder, the mounting bracket with the connection is dismantled to the mount pad, and is located the mount pad is kept away from one side of base, the activity is provided with on the mounting bracket the axis of rotation, the outside cover of axis of rotation is equipped with coating cylinder, the outside of mounting bracket is provided with the mounting panel, be provided with on the mounting panel driving motor, driving motor's output pass through the shaft coupling with axis of rotation mechanical transmission.
The conveying pipeline comprises a pump body, an input pipe and an output pipe, the input end of the pump body is provided with the input pipe, the output end of the pump body is provided with the output pipe, one end, far away from the pump body, of the input pipe corresponds to the output end of the storage tank, and one end, far away from the pump body, of the output pipe is connected with the spray head.
The push assembly comprises a servo motor, a screw rod and a screw rod sleeve, the servo motor is installed on the upper surface of the workbench, the output end of the servo motor is provided with the screw rod, the screw rod sleeve is arranged on the screw rod, and the screw rod sleeve is detachably connected with the sliding seat.
The system for eliminating the defect of the welding repair air hole of the aluminum casting further comprises a support piece, the support piece is installed, the screw rod is far away from one end of the servo motor, one end of the support piece is connected with the workbench in a detachable mode, and the other end of the support piece is sleeved on the outer portion of the screw rod.
The support piece comprises a bottom plate, a support plate and a support ring, one end of the support plate is fixedly connected with the bottom plate, the other end of the support plate is fixedly connected with the support ring, the bottom plate is detachably connected with the workbench, and the support ring is sleeved outside the screw rod.
Wherein, every the centre gripping subassembly all includes installed part, rotating ring, motor, output gear, threaded rod, gag lever post and grip block, the installed part with the base is dismantled and is connected, and is located one side of base, rotate on the installed part and be connected with the rotating ring, the inside threaded connection of rotating ring has the threaded rod, the threaded rod is close to the one end of the upper surface of base is passed through the bearing and is rotated and connect on the grip block, the grip block is close to the one side of installed part is provided with the gag lever post, the gag lever post runs through the installed part, the installed part line still is provided with the motor, the output of motor is provided with output gear, the outside of rotating ring is provided with drive gear, output gear with drive gear mechanical transmission.
The invention also provides a method for eliminating the defect of the welding repair air holes of the aluminum casting, which is applied to the method for eliminating the defect of the welding repair air holes of the aluminum casting, and comprises the following steps:
reasonably arranging a groove according to the original defects of the casting to ensure that four walls are bright and have no burrs, oil stains and dirt, cleaning a welding area by using acetone before welding, and preheating according to the conditions of the shape, the wall thickness and the like of the casting;
placing the preheated casting on the base, and firmly clamping the casting in the clamping area by using the two clamping assemblies;
the pushing assembly is started to drive the sliding seat to slide on the sliding rail, so that the spray head is positioned above the defect of the casting, the pasty welding flux in the storage tank is conveyed to the spray head by utilizing the conveying pipeline, and the pasty welding flux is sprayed on the defect of the casting by matching with the electric push rod;
and starting the coating assembly, uniformly coating the pasty welding flux at the defect of the casting, and then starting the welding robot to weld the welding wire at the defect of the casting, thereby completing repair welding of the defect of the aluminum casting.
The invention relates to a method and a system for eliminating defects of repair welding air holes of aluminum castings, which comprises a workbench, a base, two clamping components, a welding robot and an automatic coating mechanism, wherein the automatic coating mechanism comprises a pushing component, a sliding rail, a sliding seat, a storage tank, a conveying pipeline, a mounting arm, a cross arm, an electric push rod, a mounting seat, a spray head and a coating component, the preheated castings are placed on the base, the castings are firmly clamped in a clamping area by utilizing the two clamping components, the pushing component is started to drive the sliding seat to slide on the sliding rail, so that the spray head is positioned above the defects of the castings, the conveying pipeline is utilized to convey pasty welding flux in the storage tank to the spray head, the electric push rod is matched to spray pasty welding flux at the defects of the castings, the coating component is started to uniformly coat the pasty welding flux at the defects of the castings, and by adopting the structure, the automatic coating mechanism is used to uniformly coat the pasty welding flux at the defects of the aluminum castings, so that the defects of the castings are higher in automation degree and the aluminum castings are more convenient to operate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a front view of a system for eliminating weld flash defects in aluminum castings according to a first embodiment of the present invention.
FIG. 2 is a schematic structural diagram of a system for eliminating the weld repair porosity defect of an aluminum casting according to a first embodiment of the present invention.
Fig. 3 is an enlarged view of a portion of the structure of fig. 2 a according to the present invention.
Fig. 4 is an enlarged view of a portion of the structure of fig. 2B according to the present invention.
FIG. 5 is a schematic structural diagram of a system for eliminating the weld repair porosity defect of an aluminum casting according to a second embodiment of the invention.
Fig. 6 is an enlarged view of a portion of the structure of fig. 5C according to the present invention.
FIG. 7 is a schematic view showing the internal structure of a storage tank according to a third embodiment of the present invention.
FIG. 8 is a flow chart of steps of a method for eliminating the air hole defect of repair welding of an aluminum casting provided by the invention.
101-workbench, 102-base, 103-clamping assembly, 104-welding robot, 105-pushing assembly, 106-sliding rail, 107-sliding seat, 108-storage tank, 109-conveying pipeline, 110-mounting arm, 111-cross arm, 112-electric push rod, 113-mounting seat, 114-spray head, 115-coating assembly, 116-mounting frame, 117-driving motor, 118-rotating shaft, 119-coating roller, 120-pump body, 121-input pipe, 122-output pipe, 123-servo motor, 124-screw rod, 125-screw rod sleeve, 126-mounting piece, 127-rotating ring, 128-motor, 129-output gear, 130-screw rod, 131-limiting rod, 132-clamping plate, 133-clamping area, 134-mounting plate, 135-transmission gear, 201-supporting piece, 202-bottom plate, 203-supporting plate, 204-supporting ring, 301-stirring motor, 302-stirring shaft, 303-hub, 304-stirring blade, 305-placing frame.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative and intended to explain the present invention and should not be construed as limiting the present invention.
The first embodiment:
referring to fig. 1 to 4, fig. 1 is a front view of a system for eliminating the weld repair porosity defect of an aluminum casting according to a first embodiment, fig. 2 is a schematic structural diagram of the system for eliminating the weld repair porosity defect of the aluminum casting according to the first embodiment, fig. 3 is an enlarged view of a portion of a structure at a position a in fig. 2, and fig. 4 is an enlarged view of a portion of a structure at a position B in fig. 2.
The invention provides a system for eliminating defects of welding repair air holes of aluminum castings, which comprises a workbench 101, a base 102, two clamping assemblies 103, a welding robot 104 and an automatic coating mechanism, wherein the automatic coating mechanism comprises a pushing assembly 105, a slide rail 106, a slide seat 107, a storage tank 108, a conveying pipeline 109, a mounting arm 110, a cross arm 111, an electric push rod 112, a mounting seat 113, a spray head 114 and a coating assembly 115, the coating assembly 115 comprises a mounting frame 116, a driving motor 117, a rotating shaft 118 and a coating roller 119, the conveying pipeline 109 comprises a pump body 120, an input pipe 121 and an output pipe 122, the pushing assembly 105 comprises a servo motor 123, a screw rod 124 and a screw rod sleeve 125, and each clamping assembly 103 comprises a mounting piece 126, a rotating ring 127, a motor 128, an output gear 129, a threaded rod 130, a limiting rod 131 and a clamping plate 132.
To the present embodiment, the upper surface of the worktable 101 is provided with the base 102, both sides of the base 102 are provided with the clamping assemblies 103, the output ends of the two clamping assemblies 103 form a clamping area 133, the clamping area 133 is located above the base 102, the upper surface of the worktable 101 is further provided with the welding robot 104, the output end of the welding robot 104 is located above the base 102, the upper surface of the worktable 101 is further provided with the slide rail 106, the slide rail 106 is located on one side of the base 102, the slide rail 106 is slidably provided with the sliding seat 107, the upper surface of the worktable 101 is further provided with the pushing assembly 105, the pushing assembly 105 is used for pushing the sliding seat 107 to slide on the slide rail 106, the upper surface of the sliding seat 107 is further provided with the mounting arm 110, the end of the mounting arm 110 far away from the sliding seat 107 is provided with the cross arm 111, the cross arm 111 is perpendicular to the mounting arm 110, the end of the cross arm 111 far away from the mounting arm 110 is provided with the electric push rod 112, the output end of the electric push rod 112 is provided with the mounting seat 113, the bottom of the mounting seat 113 is provided with the spray head 114 and the coating component 115, the upper surface of the cross arm 111 is further provided with the storage tank 108 and the conveying pipeline 109, the input end of the conveying pipeline 109 corresponds to the output end of the storage tank 108, the output end of the conveying pipeline 109 corresponds to the input end of the spray head 114, the preheated casting is placed on the base 102, the casting is firmly clamped in the clamping area 133 by using the two clamping components 103, the pushing component 105 is started to drive the sliding seat 107 to slide on the sliding rail 106, the spray head 114 is located above the defect of the casting, the conveying pipeline 109 is utilized to convey the pasty welding flux in the storage tank 108 to the spray head 114, the pasty welding flux is sprayed on the defect of the casting by matching with the electric push rod 112, the coating assembly 115 is started, the pasty welding flux on the defect of the casting is uniformly coated on the defect of the casting, and by adopting the structure, the pasty welding flux is uniformly coated on the defect of the aluminum casting by the automatic coating mechanism, so that the automation degree is higher, and the operation is more convenient.
Wherein, mounting bracket 116 with mounting bracket 113 dismantles and connects, and is located mounting bracket 113 keeps away from one side of base 102, the activity is provided with on mounting bracket 116 axis of rotation 118, the outside cover of axis of rotation 118 is equipped with coating roller 119, the outside of mounting bracket 116 is provided with mounting panel 134, be provided with on the mounting panel 134 driving motor 117, driving motor 117's output pass through the shaft coupling with axis of rotation 118 mechanical transmission, after utilizing shower nozzle 114 to paste the solder flux spraying at the defect department of aluminium casting, start driving motor 117 drives through the shaft coupling axis of rotation 118 rotates, thereby drives coating roller 119 rotates coating roller 119 pivoted in-process, the cooperation promote subassembly 105, drive slide seat 107 is in slide on the slide rail 106, thereby utilize coating roller 119 is with the even foundry goods coating of paste welding at the defect department of the even foundry goods.
Secondly, the input end of the pump body 120 is provided with the input pipe 121, the output end of the pump body 120 is provided with the output pipe 122, one end of the input pipe 121 far away from the pump body 120 corresponds to the output end of the storage tank 108, one end of the output pipe 122 far away from the pump body 120 is connected with the spray head 114, the pump body 120 is started, and the input pipe 121 and the output pipe 122 are utilized to weld the paste in the storage tank 108 and convey the paste to the spray head 114.
Meanwhile, the servo motor 123 is installed on the upper surface of the workbench 101, the output end of the servo motor 123 is provided with the screw rod 124, the screw rod 124 is provided with the screw rod sleeve 125, the screw rod sleeve 125 is detachably connected with the sliding seat 107, the servo motor 123 is started to drive the screw rod 124 to rotate, and the screw rod sleeve 125 is detachably connected with the sliding seat 107, so that the sliding seat 107 is driven to slide on the sliding rail 106.
In addition, the mounting member 126 is detachably connected to the base 102 and is located on one side of the base 102, the mounting member 126 is rotatably connected to the rotating ring 127, the threaded rod 130 is connected to the inner thread of the rotating ring 127, one end of the threaded rod 130 close to the upper surface of the base 102 is rotatably connected to the clamping plate 132 through a bearing, one surface of the clamping plate 132 close to the mounting member 126 is provided with the limiting rod 131, the limiting rod 131 penetrates through the mounting member 126, the mounting member 126 is further provided with the motor 128, the output end of the motor 128 is provided with the output gear 129, the outer part of the rotating ring 127 is provided with the transmission gear 135, the output gear 129 is in mechanical transmission with the transmission gear 135, after an aluminum casting is placed above the base 102, the motor 128 is started to drive the output gear 129 to rotate, the output gear 129 is meshed with the transmission gear 135, so that the rotating ring 127 is driven to rotate on the mounting member 126, and the threaded rod 130 is connected to the inner thread of the rotating ring 127, so that the rotating ring 127 is matched with the limiting rod 131 when rotating, so that the threaded rod 130 is in the direction of the base 102, so as to drive the clamping plate 132 to move towards the upper surface of the clamping plate 102, thereby firmly.
When the system for eliminating the defect of the repair welding air hole of the aluminum casting in the embodiment is used, after the aluminum casting is placed above the base 102, the motor 128 is started to drive the output gear 129 to rotate, the output gear 129 is meshed with the transmission gear 135, so that the rotating ring 127 is driven to rotate on the mounting piece 126, the threaded rod 130 is connected to the inner thread of the rotating ring 127, so that the rotating ring 127 is matched with the limiting rod 131 when rotating, the threaded rod 130 is screwed in the direction of the base 102, so that the clamping plate 132 is driven to move in the direction of the base 102, the two clamping plates 132 are utilized to firmly clamp the casting on the upper surface of the base 102, the pushing assembly 105 is started to drive the sliding seat 107 to slide on the sliding rail 106, so that the spray head 114 is positioned above the defect of the casting, the conveying pipeline 109 is utilized to convey the pasty welding flux in the storage tank 108 to the spray head 114, the electric push rod 112 is matched to spray the pasty welding flux at the defect of the casting, the coating assembly 115 is started, the pasty welding flux at the defect of the casting is uniformly coated, and the casting is coated at the defect, so that the casting is more conveniently, and the automatic coating mechanism is adopted.
Second embodiment:
referring to fig. 5 and 6 based on the first embodiment, fig. 5 is a schematic structural diagram of a system for eliminating a weld repair porosity defect of an aluminum casting according to a second embodiment, and fig. 6 is an enlarged partial structural view at C of fig. 5.
The invention provides a system for eliminating the defect of the weld repairing air holes of an aluminum casting, which further comprises a support member 201, wherein the support member 201 comprises a bottom plate 202, a support plate 203 and a support ring 204.
To this embodiment, the supporting member 201 is installed at one end of the screw rod 124 far away from the servo motor 123, one end of the supporting member 201 is detachably connected to the workbench 101, the other end of the supporting member 201 is sleeved outside the screw rod 124, one end of the screw rod 124 far away from the servo motor 123 is provided with the supporting member 201, and the screw rod 124 is supported by the supporting member 201, so that the structure of the screw rod 124 is more stable when rotating.
One end of the supporting plate 203 is fixedly connected with the bottom plate 202, the other end of the supporting plate 203 is fixedly connected with the supporting ring 204, the bottom plate 202 is detachably connected with the workbench 101, the supporting ring 204 is sleeved outside the screw rod 124, and after the supporting ring 204 is sleeved outside the screw rod 124, the bottom plate 202 is fixed on the upper surface of the workbench 101 by screws, so that the supporting piece 201 is installed.
When the system for eliminating the defect of the welding repair air hole of the aluminum casting in the embodiment is used, the support ring 204 is sleeved on the outer portion of the screw rod 124, the bottom plate 202 is fixed on the upper surface of the workbench 101 through screws, so that the support member 201 is installed, the screw rod 124 is far away from one end of the servo motor 123, the support member 201 is used for supporting the screw rod 124, and the structure of the screw rod 124 is more stable when the screw rod rotates.
The third embodiment:
referring to fig. 7 on the basis of the first embodiment, fig. 7 is a schematic diagram of an internal structure of a material storage tank in the third embodiment.
The invention provides a system for eliminating the defect of air holes in repair welding of aluminum castings, which further comprises a stirring mechanism, wherein the stirring mechanism comprises a stirring motor 301, a stirring shaft 302, a plurality of hubs 303 and a plurality of stirring blades 304.
To this embodiment, the upper surface of storage tank 108 still includes rack 305, be provided with on the rack 305 rabbling mechanism, the output of rabbling mechanism is located the inside of storage tank 108 starts the rabbling mechanism, right the pasty solder flux in the storage tank 108 stirs, avoids the pasty solder flux to be in the inside of storage tank 108 condenses.
Wherein, agitator motor 301 with rack 305 dismantles the connection, agitator motor 301's output is provided with (mixing) shaft 302, (mixing) shaft 302 runs through the top of storage tank 108, (mixing) shaft 302 is located the one end of the inside of storage tank 108 is provided with a plurality ofly wheel hub 303, every wheel hub 303's outside all is provided with stirring vane 304 starts agitator motor 301, drives (mixing) shaft 302 rotates, thereby makes a plurality ofly on the wheel hub 303 stirring vane 304 is in the inside of storage tank 108 rotates, it is right paste-like solder flux in the storage tank 108 stirs.
When the system for eliminating the defect of the welding repair air hole of the aluminum casting in the embodiment is used, the stirring motor 301 is started to drive the stirring shaft 302 to rotate, so that the stirring blades 304 on the plurality of hubs 303 rotate inside the storage tank 108 to stir the pasty welding flux in the storage tank 108, and the pasty welding flux is prevented from being condensed inside the storage tank 108.
Referring to fig. 8, the present invention further provides a method for eliminating the air hole defect during repair welding of the aluminum casting, which is applied to the method for eliminating the air hole defect during repair welding of the aluminum casting, and includes the following steps:
s1: reasonably arranging a groove according to the original defects of the casting to ensure that four walls are bright and have no burrs, oil stains and dirt, cleaning a welding area by using acetone before welding, and preheating according to the conditions of the shape, the wall thickness and the like of the casting;
s2: placing the preheated casting on the base 102, and firmly clamping the casting in the clamping area 133 by using the two clamping assemblies 103;
s3: the pushing assembly 105 is started to drive the sliding seat 107 to slide on the sliding rail 106, so that the spray head 114 is positioned above the casting defect, the conveying pipeline 109 is utilized to convey the pasty welding flux in the storage tank 108 to the spray head 114, and the electric push rod 112 is matched to spray the pasty welding flux on the casting defect;
s4: and starting the coating assembly 115, uniformly coating the pasty welding flux at the defect of the casting, and then starting the welding robot 104 to weld the welding wire at the defect of the casting, so as to finish repair welding at the defect of the aluminum casting.
In the embodiment, a groove is reasonably formed according to the original defects of the castings, so that the brightness of the four walls is ensured, no burrs, oil stains or dirt exist, a welding area is cleaned by acetone before welding, the castings are preheated according to the conditions of the shapes, the wall thicknesses and the like of the castings, the preheated castings are placed on the base 102, the castings are firmly clamped in the clamping area 133 by the two clamping assemblies 103, the pushing assembly 105 is started to drive the sliding seat 107 to slide on the sliding rail 106, so that the spray head 114 is positioned above the defects of the castings, the pasty welding flux in the storage tank 108 is conveyed to the spray head 114 by the conveying pipeline 109, the pasty welding flux is sprayed at the defects of the castings by the electric push rod 112, the coating assembly 115 is started, the pasty welding flux at the defects of the castings is uniformly coated at the defects of the castings, and then the welding robot 104 is started to weld wires at the defects of the castings, so that the repair welding of the defects of the aluminum castings is completed.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. A system for eliminating the air hole defect of repair welding of aluminum castings comprises a workbench, a base, two clamping components and a welding robot, wherein the base is arranged on the upper surface of the workbench, the clamping components are arranged on both sides of the base, the output ends of the two clamping components form a clamping area, the clamping area is positioned above the base, the welding robot is also arranged on the upper surface of the workbench, the output end of the welding robot is positioned above the base, and the system is characterized in that,
also comprises an automatic coating mechanism;
the automatic coating mechanism comprises a pushing assembly, a sliding rail, a sliding seat, a storage tank, a conveying pipeline, an installation arm, a cross arm, an electric push rod, an installation seat, a sprayer and a coating assembly, wherein the sliding rail is arranged on one side of the base, the sliding seat is arranged on the sliding rail in a sliding mode, the pushing assembly is arranged on the upper surface of the workbench and used for pushing the sliding seat to slide on the sliding rail, the upper surface of the sliding seat is further provided with the installation arm, one end of the sliding seat is far away from the installation arm, the cross arm is perpendicular to the installation arm, one end of the installation arm is provided with the electric push rod, the output end of the electric push rod is provided with the installation seat, the bottom of the installation seat is provided with the sprayer and the coating assembly, the upper surface of the cross arm is further provided with the storage tank and the conveying pipeline, the input end of the conveying pipeline corresponds to the output end of the storage tank, and the input end of the sprayer corresponds to the output end of the conveying pipeline.
2. The system for eliminating weld repair porosity defects in aluminum castings according to claim 1,
the coating assembly comprises a mounting frame, a driving motor, a rotating shaft and a coating roller, the mounting frame is connected with the mounting seat in a detachable mode, the mounting seat is located away from one side of the base, the rotating shaft is movably arranged on the mounting frame, the coating roller is sleeved outside the rotating shaft, a mounting plate is arranged on the outer side of the mounting frame, the driving motor is arranged on the mounting plate, and the output end of the driving motor is in mechanical transmission with the rotating shaft through a coupler.
3. The system for eliminating weld repair porosity defects in aluminum castings according to claim 1,
the conveying pipeline comprises a pump body, an input pipe and an output pipe, the input end of the pump body is provided with the input pipe, the output end of the pump body is provided with the output pipe, one end of the input pipe, far away from the pump body, corresponds to the output end of the storage tank, and one end of the output pipe, far away from the pump body, is connected with the spray head.
4. The system for eliminating weld repair porosity defects in aluminum castings according to claim 1,
the pushing assembly comprises a servo motor, a screw rod and a screw rod sleeve, the servo motor is installed on the upper surface of the workbench, the output end of the servo motor is provided with the screw rod, the screw rod sleeve is arranged on the screw rod, and the screw rod sleeve is detachably connected with the sliding seat.
5. The system for eliminating weld flash defects in aluminum castings according to claim 4,
the system for eliminating the air hole defect of repair welding of the aluminum casting further comprises a supporting piece, wherein the supporting piece is installed the screw rod is far away from one end of the servo motor, one end of the supporting piece is connected with the workbench in a detachable mode, and the other end of the supporting piece is sleeved on the outer portion of the screw rod.
6. The system for eliminating the weld flash defects of aluminum castings according to claim 5,
the support piece comprises a bottom plate, a support plate and a support ring, one end of the support plate is fixedly connected with the bottom plate, the other end of the support plate is fixedly connected with the support ring, the bottom plate is detachably connected with the workbench, and the support ring is sleeved outside the screw rod.
7. The system for eliminating weld flash defects in aluminum castings according to claim 5,
every the centre gripping subassembly all includes installed part, rotating ring, motor, output gear, threaded rod, gag lever post and grip block, the installed part with the base is dismantled and is connected, and is located one side of base, rotate on the installed part and be connected with the rotating ring, the inside threaded connection of rotating ring has the threaded rod, the threaded rod is close to the one end of the upper surface of base is passed through the bearing and is rotated and connect on the grip block, the grip block is close to the one side of installed part is provided with the gag lever post, the gag lever post runs through the installed part, the installed part is gone still to be provided with the motor, the output of motor is provided with output gear, the outside of rotating ring is provided with drive gear, output gear with drive gear mechanical transmission.
8. The method for eliminating the aluminum casting weld repair porosity defect is applied to the method for eliminating the aluminum casting weld repair porosity defect as claimed in claim 1, and is characterized by comprising the following steps:
reasonably arranging a groove according to the original defects of the casting to ensure that four walls are bright and have no burrs, oil stains and dirt, cleaning a welding area by using acetone before welding, and preheating according to the conditions of the shape, the wall thickness and the like of the casting;
placing the preheated casting on the base, and firmly clamping the casting in the clamping area by using the two clamping assemblies;
the pushing assembly is started to drive the sliding seat to slide on the sliding rail, so that the spray head is positioned above the defect of the casting, the pasty welding flux in the storage tank is conveyed to the spray head by utilizing the conveying pipeline, and the pasty welding flux is sprayed on the defect of the casting by matching with the electric push rod;
and starting the coating assembly, uniformly coating the pasty welding flux at the defect of the casting, and then starting the welding robot to weld the welding wire at the defect of the casting, thereby completing repair welding of the defect of the aluminum casting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211553809.8A CN115846832A (en) | 2022-12-06 | 2022-12-06 | Method and system for eliminating defect of repair welding air holes of aluminum casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211553809.8A CN115846832A (en) | 2022-12-06 | 2022-12-06 | Method and system for eliminating defect of repair welding air holes of aluminum casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115846832A true CN115846832A (en) | 2023-03-28 |
Family
ID=85670146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211553809.8A Pending CN115846832A (en) | 2022-12-06 | 2022-12-06 | Method and system for eliminating defect of repair welding air holes of aluminum casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115846832A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116618954A (en) * | 2023-07-03 | 2023-08-22 | 杭州玖逸行汽车技术有限公司 | Welding repair equipment and repair method for automobile circuit board |
| CN116766136A (en) * | 2023-08-22 | 2023-09-19 | 成都工业职业技术学院 | Mechanical part design table |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101497146A (en) * | 2008-01-29 | 2009-08-05 | 沈阳铸造研究所 | Method for eliminating aluminum casting repairing welding gas hole defect |
| KR20170142570A (en) * | 2016-06-20 | 2017-12-28 | 경기과학기술대학교 산학협력단 | Flux coating system for soldering |
| CN210024036U (en) * | 2019-03-21 | 2020-02-07 | 盐城市苏文机械有限公司 | Dustless thin slice coating brazing flux device |
| CN210334838U (en) * | 2019-04-12 | 2020-04-17 | 吴江市靖恒电子科技有限公司 | Scaling powder adds device with ration |
| CN212043315U (en) * | 2020-04-20 | 2020-12-01 | 涂荣寿 | Fixing tool for welding sheet metal parts |
| CN212468610U (en) * | 2020-04-30 | 2021-02-05 | 温州市银森管阀制造有限公司 | Stainless steel casting defect repairing and gluing device |
| CN113573490A (en) * | 2021-09-23 | 2021-10-29 | 深圳市凯泰精密设备有限公司 | Soldering paste coating and reflow soldering all-in-one machine of printed circuit board |
| CN114082587A (en) * | 2021-11-17 | 2022-02-25 | 摩丁普信热能技术（江苏）有限公司 | Roller coating device for coating copper soldering paste on surface of fin |
-
2022
- 2022-12-06 CN CN202211553809.8A patent/CN115846832A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101497146A (en) * | 2008-01-29 | 2009-08-05 | 沈阳铸造研究所 | Method for eliminating aluminum casting repairing welding gas hole defect |
| KR20170142570A (en) * | 2016-06-20 | 2017-12-28 | 경기과학기술대학교 산학협력단 | Flux coating system for soldering |
| CN210024036U (en) * | 2019-03-21 | 2020-02-07 | 盐城市苏文机械有限公司 | Dustless thin slice coating brazing flux device |
| CN210334838U (en) * | 2019-04-12 | 2020-04-17 | 吴江市靖恒电子科技有限公司 | Scaling powder adds device with ration |
| CN212043315U (en) * | 2020-04-20 | 2020-12-01 | 涂荣寿 | Fixing tool for welding sheet metal parts |
| CN212468610U (en) * | 2020-04-30 | 2021-02-05 | 温州市银森管阀制造有限公司 | Stainless steel casting defect repairing and gluing device |
| CN113573490A (en) * | 2021-09-23 | 2021-10-29 | 深圳市凯泰精密设备有限公司 | Soldering paste coating and reflow soldering all-in-one machine of printed circuit board |
| CN114082587A (en) * | 2021-11-17 | 2022-02-25 | 摩丁普信热能技术（江苏）有限公司 | Roller coating device for coating copper soldering paste on surface of fin |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116618954A (en) * | 2023-07-03 | 2023-08-22 | 杭州玖逸行汽车技术有限公司 | Welding repair equipment and repair method for automobile circuit board |
| CN116618954B (en) * | 2023-07-03 | 2023-10-20 | 杭州玖逸行汽车技术有限公司 | Welding repair equipment and repair method for automobile circuit board |
| CN116766136A (en) * | 2023-08-22 | 2023-09-19 | 成都工业职业技术学院 | Mechanical part design table |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115846832A (en) | Method and system for eliminating defect of repair welding air holes of aluminum casting | |
| EP1990447A1 (en) | Method and apparatus for racking articles for surface treatment | |
| CN109722689B (en) | Method for controlling uniformity of copper plating layer of narrow and deep groove of aluminum alloy flange plate | |
| CN111921951B (en) | Ultrasonic cleaning method for aluminum alloy die casting | |
| CN114951079B (en) | Straight welding wire cleaning method | |
| CN216440930U (en) | Anti-erosion groove pipe fitting coating device | |
| CN213624460U (en) | Be used for work piece hole local electroplating equipment | |
| CN215655912U (en) | Motor surface paint spraying apparatus | |
| CN212383931U (en) | Hardware tool surface paint spraying device | |
| CN215050632U (en) | Vacuum plasma spraying device for pipeline surface | |
| CN111496197B (en) | Special flow coating pool for cast pipe bellmouth sand core | |
| CN210458388U (en) | Rotary spraying device for automobile engine hood | |
| CN219709624U (en) | Electroplating device for electric engraving plate making | |
| CN117816424B (en) | Coating equipment is used in power supply unit production | |
| CN220004617U (en) | Coating combination spraying instrument | |
| CN211888905U (en) | Device for homogenizing surface coating of sand core of brake disc | |
| CN217314717U (en) | Inner screw thread cleaning device | |
| CN220927002U (en) | Energy-saving rotary electroplating device | |
| CN219400679U (en) | Spraying machine for outer wall of pipe fitting | |
| CN218132765U (en) | A even paint spraying apparatus for bamboo chopsticks processing | |
| CN220160341U (en) | Spraying device for PVD coating equipment | |
| CN216150218U (en) | Paint spraying and air drying integrated equipment | |
| CN112388652B (en) | Multi-joint mechanical arm for vehicle body paint repair | |
| CN219129646U (en) | Surface spraying device | |
| CN218108123U (en) | Automatic spraying equipment for parts |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |