CN116117286A - Automatic welding device with gas protection function - Google Patents
Automatic welding device with gas protection function Download PDFInfo
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- CN116117286A CN116117286A CN202211589531.XA CN202211589531A CN116117286A CN 116117286 A CN116117286 A CN 116117286A CN 202211589531 A CN202211589531 A CN 202211589531A CN 116117286 A CN116117286 A CN 116117286A
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- Prior art keywords
- gas
- welding
- automatic welding
- component
- filter
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- 238000003466 welding Methods 0.000 title claims abstract description 131
- 238000004140 cleaning Methods 0.000 claims abstract description 38
- 230000001681 protective effect Effects 0.000 claims abstract description 27
- 238000001914 filtration Methods 0.000 claims abstract description 20
- 239000012535 impurity Substances 0.000 claims description 17
- 230000000694 effects Effects 0.000 abstract description 9
- 239000007789 gas Substances 0.000 description 100
- 241000883990 Flabellum Species 0.000 description 23
- 230000033001 locomotion Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 11
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- 230000000712 assembly Effects 0.000 description 7
- 238000000429 assembly Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 239000000428 dust Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 4
- 238000010030 laminating Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
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
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
- B23K9/325—Devices for supplying or evacuating shielding gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
-
- 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
-
- 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
- B23K9/325—Devices for supplying or evacuating shielding gas
- B23K9/326—Purge gas rings, i.e. devices for supplying or evacuating shielding gas inside of hollow or tubular articles, e.g. pipes, vessels
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses an automatic welding device with a gas protection function, which relates to the technical field of welding and comprises a welding device and a workpiece, wherein the welding device consists of a gas protection automatic welding unit, a programming automatic robot and a rotary multi-station workbench, the gas protection automatic welding unit is positioned at the output end of the programming automatic robot, and a welding wire channel and a protective gas channel are arranged in the gas protection automatic welding unit. The follow-up component is driven by the air flow required by welding, other energy sources are not required to be provided for driving, the workpiece after being welded is quickly cooled by the pneumatic component in an accelerating way, the welding effect of the workpiece is improved, the filter component is matched with the pipeline to clean the welding area of the workpiece, so that the phenomena of cold joint or unwelding and the like of the workpiece after the welding is finished are avoided, and the cleaning component cleans the filter component to maintain the filtering performance of the filter component, so that the filter component works for a long time.
Description
Technical Field
The invention relates to the technical field of welding, in particular to an automatic welding device with a gas protection function.
Background
Gas shielded welding refers to a welding method protected by carbon dioxide or argon, and a welding wire for welding is not used. The CO welding efficiency is high, the argon shielded welding mainly welds materials such as aluminum, titanium, stainless steel and the like, and the carbon dioxide shielded welding is fully called carbon dioxide shielded arc welding. Due to the special influence of the thermophysical property of the carbon dioxide gas, the used shielding gas is low in price, the welding seam is well formed when in short circuit transition, and the quality welding joint without internal defects can be obtained by adding the welding wire containing the deoxidizer. This welding method has become one of the most important welding methods for ferrous materials.
The existing automatic welding device with the gas protection function is used for cleaning a welding area of a workpiece before the workpiece is used, so that dust or impurities on a welding path are prevented from being present in the subsequent welding process, the welding quality of the device is affected, the workpiece is caused to have the phenomena of cold joint or off-joint and the like, the welding area of the workpiece is mostly cooled naturally after the welding of the workpiece is finished, the supporting force of each area on the outer side of the workpiece is not easy in the subsequent transferring process of the workpiece after the welding of the workpiece is finished, the welding area is not cooled completely, the stress of the welding area of the workpiece is large, and the welding area is deformed.
Disclosure of Invention
The present invention is directed to an automatic welding device with gas shielding function, so as to solve the problems set forth in the background art.
In order to solve the technical problems, the invention provides the following technical scheme: the automatic welding device with the gas protection function comprises a welding device and a workpiece, wherein the welding device consists of a gas protection automatic welding unit, a programming automatic robot and a rotary multi-station workbench, the gas protection automatic welding unit is positioned at the output end of the programming automatic robot, a welding wire channel and a protective gas channel are arranged in the gas protection automatic welding unit, a follow-up part is arranged on one side of the protective gas channel, the follow-up part comprises a pneumatic component, a filtering component and a cleaning component, one side of the follow-up part is connected with a pipeline, the protective gas flowing in the protective gas channel drives the pneumatic component, the pneumatic component is used for driving the filtering component and the cleaning component, the filtering component is used for collecting impurities in air flow, and the cleaning component is used for cleaning the impurities collected by the filtering component;
the follow-up part is positioned above the path of the advancing direction of the gas-shielded automatic welding unit, and the output end of the pipeline is positioned above the path of the moving rear part of the gas-shielded automatic welding unit.
Further, the inside of the pneumatic assembly is provided with a casing, the casing is provided with an input notch and an output notch, the casing is communicated with the shielding gas channel through the input notch, the casing is communicated with the external environment through the output notch, the orientation of the output notch is the same as the output orientation of the shielding gas channel, the output notch outputs the air flow to the path of the gas shielded automatic welding unit after welding, the input notch is used for communicating the shielding gas channel with the casing, the shielding gas in the shielding gas channel drives the pneumatic assembly, the limiting shaft is connected with the kinetic energy carried by the high-speed air flow through the fan blade, the limiting shaft rotates relative to the casing by taking the limiting shaft as the center of a circle, the filter plate and the side plate in the non-input notch range are driven by the limiting shaft to rotate actively, the filter plate and the side plate in the output notch area are driven by the limiting shaft, the output notch is communicated with the external environment, the output notch is close to the output end of the shielding gas channel, the orientation of the output notch is the same as the output orientation of the shielding gas channel, the casing is positioned on the moving path of the gas shielded automatic welding unit, the casing is positioned above the workpiece after welding work is completed, the shielding gas in the welding unit drives the workpiece, the filter plate and the filter plate in the filter plate is driven by the filter plate to rotate around the filter plate to the filter plate in the filter plate area when the filter plate and the filter plate is driven by the filter plate to rotate, the filter plate in the filter area, the filter area is driven by the filter plate and the filter area is in the filter area to realize stable movement, and the welding area is near the welding area, the filter area is just reached, and the filter area is driven by the filter area and near the filter area is driven by the filter plate and reaches the filter area, and (5) rapidly cooling.
Further, pneumatic subassembly is including installing at the inside spacing axle of cover shell, spacing axle is located the inside second quadrant department of cover shell, the outer wall of spacing axle is laminated mutually with the inner wall of cover shell, spacing axle is eccentric state and installs in the cover shell, two flabellum groups that contain air are located the third quadrant department of cover shell, and two flabellum groups are moved to the second quadrant department of cover shell under the drive of spacing axle, follow two flabellum groups and follow spacing axle and continue the motion, and sliding connection between flabellum group and the spacing axle, make the space volume between two adjacent flabellum groups will constantly reduce, until the flabellum group moves to the laminating department of spacing axle and cover shell, the space volume between two adjacent flabellum groups will disappear, laminate each other between cover shell and the spacing axle, cooperate the protection gas passageway, realize separating each other between input breach and the output breach, avoid the flabellum group to carry the air in the external environment to get into inside the gas protection passageway, make the flabellum group carry the air in the external environment when moving to, the laminating department of cover shell and spacing axle, the air that the flabellum group carried is discharged completely.
Further, be provided with a plurality of filter components on the outer wall of spacing axle, filter components and spacing axle sliding connection, the inside of spacing axle is provided with a plurality of spout, the one end that the spout is close to spacing axle centre of a circle is provided with the through-hole, the one end that spacing axle centre of a circle is kept away from to the spout is connected with the clearance subassembly, the through-hole is linked together with the pipeline, the inside annular slide rail that is provided with of cover shell, the slide rail is connected with filter components, and shielding gas is when the inside region at cover shell place that passes through of shielding gas passageway, and the through cross-sectional area of air current reduces for the air current velocity of flow in the region at cover shell place is accelerated, and atmospheric pressure increases, and the inside of cover shell is provided with spacing axle, filter plate and sideboard, and the filter plate that is located the input breach within range all with high-speed air current direct contact, because parallel arrangement between filter plate and the sideboard, the filter plate is located the direction of motion of sideboard for high-speed air current, and mainly through the contact with the sideboard, and then makes high-speed air current drive spacing axle through promoting filter plate and rotate, the inside through the sideboard transmission of shielding gas to the area through the side board that drives the inside the cover shell to the area, and the relative air current through the inside through the cover shell to drive the clearance subassembly, and the inside the relative air flow that drives the clearance subassembly.
Further, the filter assembly is including installing at the inside filter plate and the sideboard of spacing axle, be parallel to each other between filter plate and the sideboard, the end of filter plate and sideboard is provided with the cylinder, the cylinder is connected with the inside annular slide rail of cover shell, the one end that cylinder was kept away from to filter plate and sideboard is provided with the opening, be provided with the cavity between filter plate and the sideboard, the cavity is linked together through opening and through-hole, the both ends of filter plate are provided with the swash plate, the swash plate is connected with cleaning assembly, one end the swash plate is connected with the filter plate through elastic support, and filter plate and sideboard are a flabellum group, expose in external environment between two adjacent flabellums group, and two adjacent flabellums group have abundant air after entering the cover shell completely, and the source of air is external environment, because spacing axle is located the inside second quadrant department of cover shell, the outer wall of spacing axle is laminated with the inner wall of cover shell, and the state is installed in the cover shell, and two flabellums that contain air are located the third quadrant department of cover shell, and two flabellums are located down the drive the fan blade group of spacing axle, and two fan blade group and the volume that make the adjacent fan blade group and the adjacent fan blade group move to the volume between the two adjacent fan blade group and the drive the fan blade group and the volume that the adjacent fan blade group to the volume between the adjacent fan axle and the adjacent fan blade group to the fan. The filter component is matched with the pipeline, air in the external environment is filtered and conveyed to the pipeline, and impurities on the welding path are cleaned through the pipeline.
Further, the clearance subassembly is including installing at the inside trapezoidal plate of spacing axle, the recess has been seted up at one side middle part of trapezoidal plate, the recess is located one side of keeping away from the cylinder on the trapezoidal plate, the trapezoidal plate is connected with the inside spout of spacing axle through the pivot, the flabellum group is in this section interval of the laminating department of leaving output breach and spacing axle and cover shell, overlap area constantly increases between flabellum group and the spacing axle, the trapezoidal plate is connected with spacing axle through pivot and spring, the lateral wall of trapezoidal plate is under the effect of spring, the trapezoidal plate contacts with the filter plate through one side at recess place, direct area of contact between impurity and the trapezoidal plate attached to the filter plate is less, the flabellum group contacts with the one end swash plate of filter plate in the laminating department of passing through spacing axle and cover shell, because the existence of swash plate for the trapezoidal plate deflects with the pivot, make the trapezoidal plate contact with one side wall of keeping away from the recess and filter plate, afterwards, overlap area constantly reduces between flabellum group and the spacing axle, the trapezoidal plate moves to the opening from being close to the cylinder and moves to the filter plate, the clearance gap is carried to the filter plate position is carried to the clearance gap when the clearance is carried to the filter plate position completely to the clearance gap from the effect of the clearance support when the filter plate is located to the clearance gap is in the clearance gap.
Further, the straight line distance between the circle center of the casing and the protective gas channel is smaller than the radius of the casing, the casing is close to the output end of the protective gas channel, when protective gas passes through the area where the casing is located in the interior of the protective gas channel, the passing cross-section area of the gas flow is reduced, the flow speed of the gas flow passing through the area where the casing is located is accelerated, the pressure of the gas pressure is increased, a limiting shaft, a filter plate and a side plate are arranged in the interior of the casing, the filter plate and the side plate in the range of an input gap are in direct contact with the high-speed gas flow, and the filter plate is arranged in the moving direction of the side plate high-speed gas flow, so that the high-speed gas flow mainly contacts with the side plate, the high-speed gas flow drives the limiting shaft to rotate by pushing the filter plate and the side plate, the carried kinetic energy in the high-speed gas flow is transmitted to the limiting shaft through the side plate, the limiting shaft is driven to rotate relatively to the position of the casing by taking the casing as the circle center, and the quality of the gas flow passing through the position between the casing and the protective gas channel is improved, and the high-speed gas flow passing through the inside the protective gas channel is driven by the limiting shaft; the shell is close to the output end of the shielding gas channel so as to realize that the output notch is close to the area on the workpiece where welding is just finished, and further improve the air flow strength of the output notch to the welding area.
Further, the output end of pipeline is provided with two, the output end is located the both sides of the follow-up motion route of gas protection automatic weld unit, two the output end is located different vertical sections, leave the flabellum group of output breach, the space volume between two adjacent flabellum groups is constantly compressed, the inside air pressure of space is constantly increased, because two flabellum group inside one side is provided with the filter plate, the inside air of space gets into the cavity between filter plate and the sideboard through the clearance of filter plate, finally get into in the pipeline through opening and through-hole, wherein the output end is located the both sides of the follow-up motion route of gas protection automatic weld unit, two the output end is located different vertical sections, avoid the dust to make a round trip to move on the welding route, through the position of pipeline output end, in order to realize the return stroke clearance on the work piece welding route, in order to avoid the dust to exist on the work piece welding area, lead to follow-up work piece to weld the back, work piece existence cold joint or take off the welding etc. phenomenon.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the automatic welding device with the gas protection function, through the arrangement of the pneumatic component, through the arrangement of the position between the shell and the protection gas channel, the size of the cross section area of the gas channel is limited, the high-speed gas flow is utilized to drive the follow-up component to move, the pneumatic component is utilized to drive the filtering component and the cleaning component, the matching between the internal structures of the follow-up component is improved, the automation degree of the follow-up component is improved, meanwhile, the structure arrangement of the pneumatic component is utilized, outside air is blocked from entering the protection gas channel, meanwhile, the cooling of a welding completed area on a workpiece is accelerated, the welding area is accelerated to enter a stable state, and the welding effect of the automatic welding device with the gas protection function is improved;
2. according to the automatic welding device with the gas protection function, through the arrangement of the filter assembly, the filter assembly drives through the pneumatic assembly, and the air flow in the area near the output notch is pushed to move so as to accelerate cooling of the welding completion area, meanwhile, the filtered air flow is led into the pipeline, the filter assembly is matched with the pipeline to clean the area to be welded, so that the phenomena of cold welding or off-welding and the like of workpieces after the welding is completed are avoided, and the welding effect of the automatic welding device with the gas protection function is further improved;
3. this automatic welding device with gas protection function, through the setting of clearance subassembly, clearance subassembly cooperation pneumatic component and filter subassembly motion, keep the filter plate to filter air with best state, and then the air strength who receives when alleviateing the filter plate and filter, avoid the filter plate to use for a long time and appear the filtration performance poor and the high problem of self loss, clearance subassembly is under the drive of spacing axle simultaneously for clearance subassembly and clearance subassembly relative motion realize clearance subassembly to the automatic clearance of filter subassembly, and the clearance departure time of impurity is the flabellum group and is located output breach period, realize that impurity follows the air current and pass through output breach automatically, improve filter subassembly's automatically cleaning effect.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of the front view of the present invention;
FIG. 2 is a schematic diagram of the present invention in front view in full section;
FIG. 3 is a schematic view of a front view of a case of the present invention;
FIG. 4 is a schematic view of the connecting front view structure of the limiting shaft and the filter assembly of the present invention, and a schematic view of the limiting shaft partially in front view in full section;
FIG. 5 is a schematic view of the filter assembly and cleaning assembly of the present invention in front view in full section (enlarged schematic view in front view of a portion of the limiting shaft of FIG. 4);
FIG. 6 is a schematic top view in full section of the shielding gas passage of the present invention;
FIG. 7 is a schematic top view of the jacket of the present invention in full section;
FIG. 8 is a schematic diagram of the front view in full section of the filter assembly of the present invention moving relative to the cleaning assembly (i.e., during the movement of the filter assembly outboard of the spacing shaft) and a schematic diagram of the cleaning assembly moving;
fig. 9 is a schematic diagram of a front view in full section of the filter assembly moving relative to the cleaning assembly (i.e., during movement of the filter assembly inward of the limiting shaft) and a schematic diagram of the cleaning assembly moving.
In the figure: 1. a shielding gas passage; 2. a pneumatic assembly; 21. an input notch; 22. an output notch; 201. a casing; 202. a limiting shaft; 203. a through hole; 3. a filter assembly; 301. a filter plate; 302. a side plate; 303. a cylinder; 304. an opening; 305. a sloping plate; 4. cleaning the assembly; 401. a trapezoidal plate; 402. a groove; 5. a pipeline.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 9, the present invention provides the following technical solutions: the automatic welding device with the gas protection function comprises a welding device and a workpiece, wherein the welding device consists of a gas protection automatic welding unit, a programming automatic robot and a rotary multi-station workbench, the gas protection automatic welding unit is positioned at the output end of the programming automatic robot, a welding wire channel and a protection gas channel 1 are arranged in the gas protection automatic welding unit, a follow-up part is arranged on one side of the protection gas channel 1, a pneumatic component 2, a filtering component 3 and a cleaning component 4 are arranged in the follow-up part, one side of the follow-up part is connected with a pipeline 5, the pneumatic component 2 is driven by protection gas flowing in the protection gas channel 1, the pneumatic component 2 is used for driving the filtering component 3 and the cleaning component 4, the filtering component 3 is used for collecting impurities in air flow, and the cleaning component 4 is used for cleaning the impurities collected by the filtering component 3;
the follow-up part is positioned above the path of the advancing direction of the gas-shielded automatic welding unit, and the output end of the pipeline 5 is positioned above the path of the moving rear part of the gas-shielded automatic welding unit;
the inside of the pneumatic assembly 2 is provided with a shell 201, the shell 201 is provided with an input notch 21 and an output notch 22, the shell 201 is communicated with the protective gas channel 1 through the input notch 21, the shell 201 is communicated with the external environment through the output notch 22, the direction of the output notch 22 is the same as the output direction of the protective gas channel 1, and the output notch 22 outputs air flow to a path after the welding of the gas-shielded automatic welding unit;
the pneumatic assembly 2 comprises a limiting shaft 202 arranged inside the casing 201, the limiting shaft 202 is positioned in a second quadrant inside the casing 201, and the outer wall of the limiting shaft 202 is attached to the inner wall of the casing 201;
the automatic welding device with the gas protection function comprises a limiting shaft 202, wherein a plurality of filter assemblies 3 are arranged on the outer wall of the limiting shaft 202, the filter assemblies 3 are in sliding connection with the limiting shaft 202, a plurality of sliding grooves are arranged in the limiting shaft 202, a through hole 203 is formed in one end, close to the center of the limiting shaft 202, of each sliding groove, one end, far away from the center of the limiting shaft 202, of each sliding groove is connected with a cleaning assembly 4, the through hole 203 is communicated with a pipeline 5, an annular sliding rail is arranged in a casing 201, the sliding rail is connected with the filter assemblies 3, through the arrangement of the casing 201 and a protective gas channel 1, the size of the cross section area of the gas channel is limited, high-speed gas flow is utilized to drive a follow-up part to move, the pneumatic assemblies 2 are utilized to drive the filter assemblies 3 and the cleaning assemblies 4, the matching between internal structures of the follow-up part is improved, the automation degree of the follow-up part is improved, meanwhile, the structure of the pneumatic assemblies 2 is utilized, outside air is blocked from entering the inside the protective gas channel 1, and the welded area is cooled on a workpiece is accelerated, the welded area is in a stable state, and the welding effect of the automatic welding device with the gas protection function is improved;
the filter assembly 3 comprises a filter plate 301 and a side plate 302 which are arranged in the limiting shaft 202, the filter plate 301 and the side plate 302 are parallel to each other, a cylinder 303 is arranged at the tail ends of the filter plate 301 and the side plate 302, the cylinder 303 is connected with an annular sliding rail in the shell 201, an opening 304 is arranged at one end of the filter plate 301 and the side plate 302 far away from the cylinder 303, a cavity is arranged between the filter plate 301 and the side plate 302, the cavity is communicated with the through hole 203 through the opening 304, inclined plates 305 are arranged at the two ends of the filter plate 301, the inclined plates 305 are connected with the cleaning assembly 4, one end of the inclined plates 305 is connected with the filter plate 301 through an elastic bracket, the filter assembly 3 is driven through the pneumatic assembly 2, the air flow in the area near the output notch 22 is pushed to move so as to accelerate the area to be cooled, meanwhile, the filtered air flow is led into the pipeline 5, the filter assembly 3 is matched with the pipeline 5 to clean the area to be welded, so that the phenomenon such as to avoid the occurrence of virtual welding or the off welding after the work piece is completed, the welding effect of the automatic welding device with the gas protection function is further improved;
the cleaning component 4 comprises a trapezoid plate 401 arranged in the limiting shaft 202, a groove 402 is formed in the middle of one side of the trapezoid plate 401, the groove 402 is located on one side, far away from the cylinder 303, of the trapezoid plate 401, the trapezoid plate 401 is connected with a sliding groove in the limiting shaft 202 through a rotating shaft, the cleaning component 4 is matched with the pneumatic component 2 and the filtering component 3 to move, the filter plate 301 is kept to filter air in an optimal state, the air intensity received when the filter plate 301 is filtered is further reduced, the problems that the filter plate 301 is poor in filtering performance and high in self-loss are avoided when the filter plate 301 is used for a long time, meanwhile, the cleaning component 4 is driven by the limiting shaft 202, the filtering component 3 and the cleaning component 4 relatively move, the cleaning component 4 is used for automatically cleaning the filtering component 3, the cleaning leaving time of impurities is when a fan blade group is located in the output gap 22, the impurities automatically pass through the output gap 22 along with the air flow, and the self-cleaning effect of the filtering component 3 is improved;
the linear distance between the circle center of the shell 201 and the shielding gas channel 1 is smaller than the radius of the shell 201, and the shell 201 is close to the output end of the shielding gas channel 1;
two output ends of the pipeline 5 are arranged, the output ends are positioned on two sides of a subsequent motion path of the gas shielded automatic welding unit, and the two output ends are positioned on different longitudinal sections.
The working principle of the invention is as follows: placing a workpiece to be welded on a rotary multi-station workbench, connecting the workpiece to be processed with the rotary multi-station workbench, inputting a welding path into a programming automatic robot at random, and then driving a gas protection automatic welding unit to act by the programming automatic robot, wherein shielding gas and welding wires required by welding are circulated in the gas protection automatic welding unit;
before welding, the gas-shielded automatic welding unit actively opens a shielding gas control valve at one end of the shielding gas channel 1, then shielding gas passes through the shielding gas channel 1, and then the gas-shielded automatic welding unit can drive welding wires to travel on a workpiece;
during the process that the protective gas passes through the protective gas channel 1, the interior of the protective gas channel 1 is in a high-pressure and high-flow-rate state, one side of the protective gas channel 1 is provided with a pneumatic component 2, because the shell 201 is positioned close to the output end of the protective gas channel 1, and the linear distance between the circle center of the shell 201 and the protective gas channel 1 is smaller than the radius of the shell 201, when the protective gas passes through the region where the shell 201 is positioned in the interior of the protective gas channel 1, the passing cross-sectional area of the air flow is reduced, the flow speed of the air flow passing through the region where the shell 201 is positioned is accelerated, the air pressure is increased, a limiting shaft 202, a filter plate 301 and a side plate 302 are arranged in the interior of the shell 201, the filter plate 301 and the side plate 302 in the range of the input notch 21 are in direct contact with the high-speed air flow, and the filter plate 301 is positioned in the moving direction of the side plate 302, so that the high-speed air flow mainly contacts with the side plate 302, and the high-speed air flow drives the limiting shaft 202 to rotate through pushing the filter plate 301 and the side plate 302, and the kinetic energy carried in the high-speed air flow is transmitted to the side plate 202 to the limiting shaft 201 to rotate relatively to the circle center of the circle center;
the limiting shaft 202 receives kinetic energy carried by high-speed air flow through the fan blade group, so that the limiting shaft 202 rotates relative to the shell 201 by taking the limiting shaft as a circle center, further, the limiting shaft 202 drives the filter plate 301 and the side plate 302 in the range of the non-input notch 21 to rotate, wherein the filter plate 301 and the side plate 302 in the area of the output notch 22 actively rotate under the driving of the limiting shaft 202, the output notch 22 is communicated with the external environment, the shell 201 is close to the output end of the shielding gas channel 1, the direction of the output notch 22 is the same as the output direction of the shielding gas channel 1, the shell 201 is positioned on the moving path of the gas shielding automatic welding unit, the shell 201 is positioned above a workpiece which has completed welding work, and when the filter plate 301 and the side plate 302 in the area of the output notch 22 rotate, the air flow near the output notch 22 is driven to move to the area which has completed welding work on the workpiece, so that the air flow near the area which has completed welding work is cooled is realized, and the welding area is accelerated to enter a stable state;
after the filter plate 301 and the side plate 302 in the rotating state leave the output notch 22, the filter plate 301 and the side plate 302 are completely contained in the casing 201, because the filter plate 301 and the side plate 302 are one fan blade group before entering the casing 201, two adjacent fan blade groups are exposed to the external environment, after the two adjacent fan blade groups completely enter the casing 201, sufficient air exists in the two adjacent fan blade groups, the air source is the external environment, the outer wall of the limiting shaft 202 is attached to the inner wall of the casing 201 because the limiting shaft 202 is positioned at the second quadrant of the inside of the casing 201, the limiting shaft 202 is arranged in the casing 201 in an eccentric state, the two fan blade groups containing the air are positioned at the third quadrant of the casing 201, and move towards the second quadrant of the casing 201 under the driving of the limiting shaft 202, the two fan blade groups continuously move along with the limiting shaft 202, and the fan blade groups are connected with the limiting shaft 202 in a sliding mode, so that the space volume between the two adjacent fan blade groups is continuously reduced until the space volume between the two fan blade groups moves to the attaching position of the limiting shaft 202 and the casing 201 is disappeared;
the volume of the space between two adjacent fan blade groups leaving the output notch 22 is continuously compressed, the air pressure in the space is continuously increased, and as one side of the inside of the two fan blade groups is provided with the filter plate 301, the air in the space enters the cavity between the filter plate 301 and the side plate 302 through the gap of the filter plate 301 and finally enters the pipeline 5 through the opening 304 and the through hole 203, wherein the output ends are positioned at two sides of a subsequent movement path of the gas protection automatic welding unit, and the two output ends are positioned on different longitudinal sections, so that dust is prevented from moving back and forth on the welding path;
the two pipelines 5 are arranged, the tail ends of the pipelines 5 are positioned on a subsequent moving path of the gas protection automatic welding unit, and dust on a workpiece to be welded in a welding area is blown away by air flow in the pipelines 5, so that the workpiece enters a welding procedure in a clean state;
one end of the fan blade group is positioned in a chute of the limiting shaft 202, the other end of the fan blade group is connected with a sliding rail in the casing 201 through a cylinder 303, so that the fan blade group slides reciprocally in the chute of the limiting shaft 202 under the common limitation of the casing 201 and the limiting shaft 202, a cleaning component 4 is arranged at a port of the chute, the overlapping area between the fan blade group and the limiting shaft 202 is continuously increased in a section interval which is separated from the joint of the output notch 22 and the limiting shaft 202 and the casing 201, the trapezoid plate 401 is connected with the limiting shaft 202 through a rotating shaft and a spring, the side wall of the trapezoid plate 401 is contacted with the filter plate 301 through one side where the groove 402 is positioned under the action of the spring, the direct contact area between impurities attached to the filter plate 301 and the trapezoid plate 401 is smaller, and the fan blade group is in a period of passing through the joint of the limiting shaft 202 and the casing 201, the trapezoid plate 401 contacts with the inclined plate 305 at one end of the filter plate 301, the trapezoid plate 401 deflects around the rotary shaft due to the inclined plate 305, the trapezoid plate 401 contacts with the filter plate 301 at the side wall far away from the groove 402, then after the fan blade group passes over the joint of the limiting shaft 202 and the casing 201, the overlapping area between the fan blade group and the limiting shaft 202 is continuously reduced, the trapezoid plate 401 moves from the impurity near the cylinder 303 to the opening 304 until the fan blade group moves to the diagonal position of the joint of the limiting shaft 202 and the casing 201, at this time, the fan blade group is positioned at the output notch 22, the trapezoid plate 401 completely passes over the elastic support in the filter plate 301, the elastic support is transformed from the state of being far away from the inclined plate 305, the impurity is thrown away from the filter screen by the redundant potential energy carried by the elastic support, and finally the impurity leaves the casing 201 through the output notch 22 under the action of air flow, self-cleaning of the filter sheet 301 is achieved.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. An automatic welder with gas protection function, includes welding set and work piece, its characterized in that: the welding device comprises a gas protection automatic welding unit, a programming automatic robot and a rotary multi-station workbench, wherein the gas protection automatic welding unit is positioned at the output end of the programming automatic robot, a welding wire channel and a protective gas channel (1) are arranged in the gas protection automatic welding unit, a follow-up part is arranged on one side of the protective gas channel (1), a pneumatic component (2), a filtering component (3) and a cleaning component (4) are arranged in the follow-up part, one side of the follow-up part is connected with a pipeline (5), protective gas flowing in the protective gas channel (1) drives the pneumatic component (2), the pneumatic component (2) is used for driving the filtering component (3) and the cleaning component (4), the filtering component (3) is used for collecting impurities in air flow, and the cleaning component (4) is used for cleaning the impurities collected by the filtering component (3);
the follow-up part is positioned above the path of the advancing direction of the gas-shielded automatic welding unit, and the output end of the pipeline (5) is positioned above the path of the moving rear part of the gas-shielded automatic welding unit.
2. An automatic welding device with gas shielding function according to claim 1, characterized in that: the inside of pneumatic subassembly (2) is provided with cover shell (201), cover shell (201) are provided with input breach (21) and output breach (22), cover shell (201) are linked together with shielding gas passageway (1) through input breach (21), cover shell (201) are linked together with external environment through output breach (22), the orientation of output breach (22) is the same with the output orientation of shielding gas passageway (1), output breach (22) are with the air current output to on the route after the gas shielded automatic weld unit welding.
3. An automatic welding device with gas shielding function according to claim 2, characterized in that: the pneumatic assembly (2) comprises a limiting shaft (202) arranged inside the casing (201), the limiting shaft (202) is located in a second quadrant inside the casing (201), and the outer wall of the limiting shaft (202) is attached to the inner wall of the casing (201).
4. An automatic welding apparatus with gas shielding function according to claim 3, wherein: be provided with a plurality of filter component (3) on the outer wall of spacing axle (202), filter component (3) and spacing axle (202) sliding connection, the inside of spacing axle (202) is provided with a plurality of spout, the one end that the spout is close to spacing axle (202) centre of a circle is provided with through-hole (203), the one end that spacing axle (202) centre of a circle is kept away from to the spout is connected with clearance subassembly (4), through-hole (203) are linked together with pipeline (5), the inside annular slide rail that is provided with of cover shell (201), the slide rail is connected with filter component (3).
5. An automatic welding device with gas shielding function according to claim 4, wherein: the filter assembly (3) comprises a filter plate (301) and a side plate (302) which are arranged inside a limiting shaft (202), the filter plate (301) and the side plate (302) are mutually parallel, the tail ends of the filter plate (301) and the side plate (302) are provided with cylinders (303), the cylinders (303) are connected with annular sliding rails inside a casing (201), one ends of the filter plate (301) and the side plate (302), far away from the cylinders (303), are provided with openings (304), cavities are formed between the filter plate (301) and the side plate (302), the cavities are communicated with through holes (203) through the openings (304), inclined plates (305) are arranged at two ends of the filter plate (301), the inclined plates (305) are connected with a cleaning assembly (4), and one ends of the inclined plates (305) are connected with the filter plate (301) through elastic supports.
6. An automatic welding device with gas shielding function according to claim 5, wherein: the cleaning assembly (4) comprises a trapezoid plate (401) arranged inside the limiting shaft (202), a groove (402) is formed in the middle of one side of the trapezoid plate (401), the groove (402) is located on one side, far away from the cylinder (303), of the trapezoid plate (401), and the trapezoid plate (401) is connected with a sliding groove inside the limiting shaft (202) through a rotating shaft.
7. An automatic welding apparatus with gas shielding function according to claim 3, wherein: the linear distance between the center of the casing (201) and the shielding gas channel (1) is smaller than the radius of the casing (201), and the casing (201) is close to the output end of the shielding gas channel (1).
8. An automatic welding device with gas shielding function according to claim 1, characterized in that: the output ends of the pipeline (5) are arranged at two sides of a follow-up moving path of the gas shielded automatic welding unit, and the two output ends are positioned on different longitudinal sections.
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