CN114985920B - Dust removing device for laser welding machine - Google Patents
Dust removing device for laser welding machine Download PDFInfo
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- CN114985920B CN114985920B CN202210735449.7A CN202210735449A CN114985920B CN 114985920 B CN114985920 B CN 114985920B CN 202210735449 A CN202210735449 A CN 202210735449A CN 114985920 B CN114985920 B CN 114985920B
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- fixedly arranged
- adjusting
- dust removing
- rod
- supply pipe
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- 239000000428 dust Substances 0.000 title claims abstract description 102
- 238000003466 welding Methods 0.000 title claims abstract description 34
- 230000001360 synchronised effect Effects 0.000 claims abstract description 47
- 230000008093 supporting effect Effects 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 239000000706 filtrate Substances 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 8
- 239000006185 dispersion Substances 0.000 claims description 7
- 241000883990 Flabellum Species 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 2
- 238000005086 pumping Methods 0.000 abstract description 9
- 229910052744 lithium Inorganic materials 0.000 abstract description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 229910052751 metal Inorganic materials 0.000 description 28
- 239000002184 metal Substances 0.000 description 28
- 238000000034 method Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 13
- 229910052782 aluminium Inorganic materials 0.000 description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 10
- 230000009471 action Effects 0.000 description 9
- 230000008859 change Effects 0.000 description 7
- 108010085603 SFLLRNPND Proteins 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 210000004072 lung Anatomy 0.000 description 2
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
- B23K26/142—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor for the removal of by-products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
-
- 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
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The application relates to the field of lithium battery production equipment, in particular to a dust removing device for a laser welding machine, which comprises a dust removing filter, wherein an air inlet of the dust removing filter is communicated with an air supply pipe, one end of the air supply pipe, which is far away from the dust removing filter, is fixedly provided with an air inlet cover, and an adjusting mechanism is arranged in the air inlet cover; the adjusting mechanism comprises a mounting plate, four synchronous gears, four elastic telescopic rods and an adjusting assembly; the four synchronous gears are meshed with each other, one end of each elastic telescopic rod is fixedly arranged on the corresponding synchronous gear, the other end of each elastic telescopic rod is rotatably provided with an adjusting wheel, and the adjusting assembly is fixedly arranged on the mounting plate and used for driving the four synchronous gears to synchronously rotate; the air inlet cover comprises a flexible sleeve fixedly arranged at one end of the air supply pipe, which is far away from the dust removal filter, and a belt supporting ring, wherein the belt supporting ring is fixedly arranged at one end of the flexible sleeve, which is far away from the air supply pipe, and is connected between the four adjusting wheels. According to the air speed adjusting device, the air speed of the air inlet can be adjusted under the condition that the pumping power provided by the dust removing filter is unchanged.
Description
Technical Field
The application relates to the field of lithium battery production equipment, in particular to a dust removing device for a laser welding machine.
Background
Lithium batteries are batteries using lithium metal or lithium alloy as positive/negative electrode materials and nonaqueous electrolyte solution, and the outside of the lithium battery is generally wrapped with an aluminum shell, so that in the process of producing the lithium battery, a laser welding machine is required to be used for carrying out laser welding on the aluminum shell so as to realize wrapping protection on an electric core.
In the process of laser welding the aluminum shell by the laser welding machine, metal dust can be generated to spray and splash and enter the air, the air around the welding equipment is suspended for a certain time, and if workers pass through the area where the metal dust is suspended and suck part of dust into the lung, the health of the workers is seriously affected.
Chinese patent with publication number CN209598460U discloses a laser welding dust removing device for flexible battery, comprising: a dust removal main pipe with an air exhausting function; a plurality of dust removing branch pipes arranged on the side surface of the dust removing main pipe; a vent hole communicated between the main dust removing pipe and each dust removing branch pipe; a fixed grating plate fixed on the ventilation opening; the movable grating plate is connected with the fixed grating plate in a matched manner and used for shielding or opening the vent; and a driving mechanism for driving the movable grating plate to move. The side of the main dust collection pipe is provided with the plurality of dust collection branch pipes, the fixed grating plates and the movable grating plates are arranged between the dust collection branch pipes and the main dust collection pipe, so that the dust collection area is automatically and quickly switched, the dust collection range covers the all-welded area of the flexible battery, and under the pumping action of the dust collection filter, the air around the welding equipment and dust are pumped into the dust collection filter for treatment, thereby overcoming the defects of poor dust collection effect, poor applicability of the flexible smoking arm and the like of the traditional dust collection cover scheme.
However, under the condition that the pumping power provided by the dust removal filter is unchanged, the area of the air inlet of the existing dust removal device is fixed, so that the air speed of the air inlet is fixed, and the air speed cannot be adjusted according to the actual air speed requirement; therefore, further improvement can be made.
Disclosure of Invention
In order to realize the wind speed adjustment of the air inlet under the condition that the pumping power provided by the dust removing filter is unchanged, the application provides a dust removing device for a laser welding machine.
The above object of the present application is achieved by the following technical solutions:
the dust removing device for the laser welding machine comprises a dust removing filter, wherein an air inlet of the dust removing filter is communicated with an air supply pipe, one end of the air supply pipe, which is far away from the dust removing filter, extends to one side of the laser welding machine and is fixedly provided with an air inlet cover, and an adjusting mechanism is arranged in the air inlet cover; the adjusting mechanism comprises a mounting plate fixedly arranged on one side of the laser welding machine, four synchronous gears rotatably arranged on the mounting plate, four elastic telescopic rods and an adjusting assembly; the four synchronous gears are in rectangular distribution and meshed with two adjacent synchronous gears, the four synchronous gears correspond to the four elastic telescopic rods one by one, one end of each elastic telescopic rod is fixedly arranged on the corresponding synchronous gear, the two adjacent elastic telescopic rods are symmetrical, one end of each elastic telescopic rod, far away from the corresponding synchronous gear, is provided with an adjusting wheel in a rotating mode, and the adjusting assembly is fixedly arranged on the mounting plate and used for driving the four synchronous gears to synchronously rotate; the air inlet cover comprises a flexible sleeve and a belt supporting ring, wherein the flexible sleeve and the belt supporting ring are fixedly arranged at one end of the air supply pipe, which is far away from the dust removal filter, the belt supporting ring is fixedly arranged at one end of the flexible sleeve, which is far away from the air supply pipe, and the belt supporting ring is connected between four adjusting wheels.
Through above-mentioned technical scheme, when four synchro-gears synchronous rotation of adjusting component drive, four elastic telescopic links synchronous rotation to drive four regulating wheel adjustment positions, make the shape of belt supporting ring change, make flexible sleeve open-ended rectangle open-ended length-width ratio change promptly, thereby realize the adjustment to the air intake size of air inlet cover, under the unchangeable circumstances of pumping power that the dust removal filter provided, through the opening size of adjusting the air inlet cover, thereby realize the wind speed adjustment to the air intake.
Preferably, the adjusting component comprises an adjusting cylinder fixedly arranged on the mounting plate and two adjusting rods, a pushing block is fixedly arranged on a piston rod of the adjusting cylinder, one ends of the two adjusting rods are hinged to the pushing block, and the other ends of the adjusting rods are respectively hinged to two adjacent elastic telescopic rods.
Through the technical scheme, when the adjusting cylinder stretches out and draws back, the adjusting cylinder pushes two elastic telescopic rods through two adjusting rods, the two elastic telescopic rods drive two corresponding synchronous gears to rotate, and under the action of gear engagement, four synchronous gears are simultaneously rotated, so that the four synchronous gears are driven to synchronously rotate by the adjusting component.
Preferably, the elastic telescopic rod comprises a fixed rod fixedly arranged on a corresponding synchronous gear, a telescopic rod and a resetting piece, the telescopic rod is slidably embedded in one end of the fixed rod, which is far away from the corresponding synchronous gear, the adjusting wheel is rotatably arranged at one end of the telescopic rod, which is far away from the fixed rod, and the resetting piece is connected between the fixed rod and the telescopic rod, so that the fixed rod and the telescopic rod always have a trend of sliding away from each other.
Through above-mentioned technical scheme, under the elastic action of restoring to the throne the piece, dead lever and telescopic link have the trend of mutual sliding away from all the time, promptly under the elastic action of restoring to the throne the piece, the elastic expansion link has the elastic expansion function, and when the elastic expansion link both ends are pressed, the total length of elastic expansion link shortens.
Preferably, the mounting plate has set firmly the installation pole towards blast pipe one side, installation pole is kept away from mounting plate one end and is extended to in the blast pipe, just installation pole is kept away from mounting plate one end and has set firmly fixed cover, installation pole periphery rotates the cover and is equipped with the rotation cover, it has set firmly the flabellum to rotate the cover periphery.
Through above-mentioned technical scheme, when dust removal filter carries out the metal dust that produces in the laser welding process to the aluminum product casing through blast pipe, air inlet cover and pumps, the air current that flows in the blast pipe acts on the flabellum, makes the flabellum atress rotate, can disturb the air current flow direction in the blast pipe in the flabellum atress rotation process, and the change of air current flow direction can make the metal dust be difficult for subsidence accumulation at the blast pipe inner wall to reduce the metal dust cleaning cycle of blast pipe inner wall.
Preferably, a friction reducing assembly is arranged between the fixed sleeve and the rotating sleeve, the friction reducing assembly comprises a front cone fixedly arranged on the periphery of the rotating sleeve, a plurality of front magnets and a plurality of rear magnets, the rear cone is fixedly arranged on the periphery of the fixed sleeve, the conical surfaces of the front cone and the rear cone are arranged forwards, and the front magnets and the rear magnets are in mutual repulsive fit; the front magnets are uniformly distributed along the mounting rod as the axis, the front magnets are fixedly arranged on the inner periphery of the front cone, the rear magnets are uniformly distributed along the mounting rod as the axis, and the rear magnets are fixedly arranged on the outer periphery of the rear cone.
Through the technical scheme, in the process that the air flow flowing in the air supply pipe drives the fan blade to rotate, as the front magnet and the rear magnet are in mutual repulsive fit relationship, contact friction force is not easy to generate between the fixed sleeve and the rotating sleeve, so that the rotating speed of the fan blade is improved, the fan blade is facilitated to disturb the air flow direction in the air supply pipe, and metal dust is not easy to subside and accumulate on the inner wall of the air supply pipe. In addition, because the front magnet and the rear magnet are arranged at intervals, the mutually repulsive magnetic forces born by the fan blades when the fan blades rotate to different positions are different, so that the fan blades continuously shake back and forth along the axis direction of the mounting rod under the combined action of the magnetic force and the air flow impact force, the fan blades are beneficial to disturbing the air flow direction in the air supply pipe, and metal dust is not easy to subside and accumulate on the inner wall of the air supply pipe. In addition, the fan blade swaying back and forth can enable the air flow in the air supply pipe to sway so as to drive the flexible sleeve to sway, and metal dust is not easy to settle and accumulate on the inner wall of the flexible sleeve.
Preferably, a lifting assembly is arranged between the mounting plate and the laser welding machine, the lifting assembly comprises a vertical rod fixedly arranged on the laser welding machine, a lifting rod fixedly arranged on one side of the mounting plate, deviating from the blast pipe, and a locking piece, the top of the vertical rod is arranged on the lifting rod in a sliding sleeve mode, and the locking piece is in threaded connection with the lifting rod and is in butt joint with the vertical rod.
Through above-mentioned technical scheme, when the clamping position height of aluminum product casing takes place to change, the high synchronous change of position of produced metal dust, through the slip height-adjusting between montant, the lifter, through the locking of retaining member, adjusts the high position of air inlet cover, with the production position phase-match of metal dust, improves the suction effect.
Preferably, a water trap is arranged at one end of the air supply pipe, which is close to the dust removal filter, a dispersion grid is fixedly arranged in the water trap, filtrate is preset in the water trap, and a valve switch for replacing the filtrate is arranged at the bottom of the water trap.
Through the technical scheme, when the dust removal filter sucks metal dust generated in the laser welding process of the aluminum shell through the air supply pipe and the air inlet cover, the air mixed with the metal dust flows through the water trap, contacts with the filtrate under the dispersion effect of the dispersion grid, so that part of the metal dust is dissolved in the water body, and the filtering pressure of the dust removal filter is reduced in a pretreatment mode.
Preferably, an observation window is formed in one side of the trap, and a transparent plate is covered on the observation window.
Through above-mentioned technical scheme, see through the transparent plate and can observe the turbid degree of filtrate in the trap to in time change.
In summary, the present application at least includes the following beneficial technical effects:
when the adjusting component drives the four synchronous gears to synchronously rotate, the four elastic telescopic rods synchronously rotate to drive the four adjusting wheels to adjust positions, so that the shape of the belt supporting ring is changed, namely, the aspect ratio of a rectangular opening formed by the flexible sleeve is changed, the size of the air inlet cover is adjusted, and the air speed of the air inlet is adjusted by adjusting the size of the opening of the air inlet cover under the condition that the pumping power provided by the dust removal filter is unchanged.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present application.
Fig. 2 is a schematic diagram of the structure in the direction a in fig. 1.
Fig. 3 is a schematic view of the present application for illustrating the positional relationship between the blower tube and the fan blade.
Fig. 4 is a schematic view of the present application for showing the structure of the friction reducing assembly.
Reference numerals illustrate: 1. a dust removal filter; 2. an air supply pipe; 3. an air inlet cover; 31. a flexible sleeve; 32. a belt support ring; 4. an adjusting mechanism; 41. a mounting plate; 42. a synchronizing gear; 43. an elastic telescopic rod; 431. a fixed rod; 432. a telescopic rod; 433. a reset member; 44. an adjustment assembly; 441. adjusting a cylinder; 442. an adjusting rod; 443. a pushing block; 5. an adjusting wheel; 6. a mounting rod; 61. a fixed sleeve; 62. a rotating sleeve; 63. a fan blade; 7. a friction reducing assembly; 71. a front cone; 72. a rear cone; 73. a front magnet; 74. a rear magnet; 8. a lifting assembly; 81. a vertical rod; 82. a lifting rod; 83. a locking member; 9. a trap; 91. a dispersion grid; 92. a valve switch; 93. a transparent plate; 10. a laser welding machine.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-4.
The embodiment of the application discloses a dust collector for laser welding machine.
Referring to fig. 1, a dust removing device for a laser welding machine includes a dust removing filter 1, an air inlet of the dust removing filter 1 is fixedly communicated with an air supply pipe 2 of a circular pipe-shaped structure, one end of the air supply pipe 2, which is far away from the dust removing filter 1, extends to one side of the laser welding machine 10, and one end of the air supply pipe 2, which is far away from the dust removing filter 1, is fixedly communicated with an air inlet cover 3 of a horn-shaped structure. The dust removal filter 1 can produce certain suction effect to make the air inlet cover 3 form certain negative pressure state through blast pipe 2, make air inlet cover 3 carry out the metal dust suction that produces to dust removal filter 1 in the laser welding machine 10 carries out laser welding process to the aluminum product casing, filter the interception to the metal dust by the inside filtration of dust removal filter 1, prevent as far as possible that the metal dust from suspending in the air and being inhaled in the lung by the staff and influence healthy.
Referring to fig. 1 and 2, in the present embodiment, an adjusting mechanism 4 is disposed in the air inlet cover 3, and the adjusting mechanism 4 can be used to adjust the opening size of the air inlet cover 3, so as to adjust the air speed of the air inlet by adjusting the opening size of the air inlet cover 3 under the condition that the pumping power provided by the dust removal filter 1 is unchanged.
Specifically, the adjusting mechanism 4 includes a mounting plate 41, four synchronizing gears 42, four elastic telescopic rods 43, and an adjusting assembly 44; the mounting plate 41 is in a rectangular plate structure, the mounting plate 41 is fixedly arranged on one side of the laser welding machine 10, the mounting plate 41 is positioned in the air inlet cover 3, and the mounting plate 41 is used for providing a mounting foundation for the four synchronous gears 42, the four elastic telescopic rods 43 and the adjusting component 44; the four synchronous gears 42 are all rotationally arranged on one side, deviating from the blast pipe 2, of the mounting plate 41, the four synchronous gears 42 are in rectangular distribution, and are meshed between the two synchronous gears 42 which are adjacent up and down and between the two synchronous gears 42 which are adjacent left and right, so that the four synchronous gears 42 can rotate simultaneously, and the directions of the two synchronous gears 42 which are adjacent up and down, and the two synchronous gears 42 which are adjacent left and right are opposite.
The four elastic telescopic rods 43 each include a fixed rod 431, a telescopic rod 432, and a restoring member 433; one end of the fixed rod 431 is provided with a telescopic slot extending along the length direction and slidably matched with the telescopic rod 432, and one end of the telescopic rod 432 is slidably embedded in the telescopic slot; the restoring member 433 is a compression spring, the restoring member 433 is located at the bottom of the telescopic slot, and the restoring member 433 is connected between the fixed rod 431 and the telescopic rod 432, so that the fixed rod 431 and the telescopic rod 432 always have a sliding trend away from each other, that is, under the elastic action of the restoring member 433, the elastic telescopic rod 43 has an elastic telescopic function, and when two ends of the elastic telescopic rod 43 are pressed, the total length of the elastic telescopic rod 43 is shortened.
The four synchronous gears 42 and the four elastic telescopic rods 43 are arranged in a one-to-one correspondence; specifically, in each elastic telescopic rod 43, one end of the fixed rod 431, which is far away from the telescopic rod 432, is fixedly arranged on the periphery of the corresponding synchronizing gear 42. At this time, the four elastic telescopic rods 43 together form an X-shape, and the four elastic telescopic rods 43 are symmetrically arranged in pairs, that is, between two adjacent elastic telescopic rods 43 up and down and between two adjacent elastic telescopic rods 43 left and right, and in the process that any one elastic telescopic rod 43 drives the corresponding synchronous gear 42 to rotate, under the interaction of the four synchronous gears 42, the four elastic telescopic rods 43 always maintain the above symmetrical arrangement relationship.
In each elastic telescopic rod 43, a rotating column is fixedly arranged at one end, far away from the fixed rod 431, of the telescopic rod 432, adjusting wheels 5 are rotatably arranged on the periphery of the rotating column, the adjusting wheels 5 are belt pulleys, the two adjusting wheels 5 which are adjacent up and down and the two elastic telescopic rods 43 which are adjacent left and right are symmetrically arranged, and in the process that any one elastic telescopic rod 43 drives the corresponding synchronous gear 42 to rotate, the four adjusting wheels 5 always keep the symmetrical arrangement relation under the interaction of the four synchronous gears 42.
The adjusting assembly 44 includes an adjusting cylinder 441 and two adjusting rods 442; wherein, the adjusting cylinder 441 is fixedly arranged at one side of the mounting plate 41 away from the blast pipe 2, the piston rod of the adjusting cylinder 441 is horizontally arranged, the piston rod of the adjusting cylinder 441 is fixedly provided with a pushing block 443, one ends of the two adjusting rods 442 are both hinged to the pushing block 443, and the other ends are respectively hinged to the fixing rods 431 of the two upper and lower adjacent elastic telescopic rods 43.
When the adjusting cylinder 441 stretches and contracts, the adjusting cylinder 441 pushes the two elastic telescopic rods 43 through the two adjusting rods 442, the two elastic telescopic rods 43 drive the corresponding two synchronous gears 42 to rotate, and under the action of gear engagement, the four synchronous gears 42 are simultaneously rotated, so that the four synchronous gears 42 are driven to synchronously rotate by the adjusting component 44.
In this embodiment, the air intake cover 3 includes a flexible sleeve 31 and a belt support ring 32; wherein, the flexible sleeve 31 is a horn-shaped structure made of PVC material, so that the flexible sleeve 31 has a deformable characteristic, the fixed sleeve 61 at one end of the flexible sleeve 31 with a relatively smaller opening is arranged at one end of the blast pipe 2 far away from the dust removal filter 1, and the flexible sleeve 31 and the blast pipe 2 are detachably fixed through a clamp, so that the flexible sleeve 31 is convenient to replace; the belt supporting ring 32 is of an annular belt structure, the belt supporting ring 32 is fixedly arranged at one end of the flexible sleeve 31 far away from the air supply pipe 2, namely, the belt supporting ring 32 is fixedly arranged at one end of the flexible sleeve 31 with a relatively large opening; the belt supporting ring 32 is connected between the four regulating wheels 5, and under the joint supporting action of the four regulating wheels 5, the relatively larger opening end of the flexible sleeve 31 forms a rectangular opening.
When the adjusting assembly 44 drives the four synchronous gears 42 to synchronously rotate, the four elastic telescopic rods 43 synchronously rotate to drive the four adjusting wheels 5 to adjust positions, so that the shape of the belt supporting ring 32 is changed, namely, the aspect ratio of the rectangular opening formed by the flexible sleeve 31 is changed, and therefore the size of the air inlet cover 3 is adjusted, and under the condition that the pumping power provided by the dust removal filter 1 is unchanged, the size of the opening of the air inlet cover 3 is adjusted, and the wind speed of the air inlet is adjusted.
Referring to fig. 2, 3 and 4, in this embodiment, a mounting rod 6 with a round rod-shaped structure is vertically fixed on a side of the mounting plate 41 facing the air supply pipe 2, one end of the mounting rod 6 away from the mounting plate 41 extends into the air supply pipe 2, one end of the mounting rod 6 away from the mounting plate 41 is fixedly provided with a fixed sleeve 61 with a cylindrical structure, a rotating sleeve 62 is sleeved on the periphery of the mounting rod 6, and the inner diameter of the rotating sleeve 62 is matched with the outer diameter of the mounting rod 6, so that the rotating sleeve 62 can rotate on the periphery of the mounting rod 6; the outer periphery of the rotating sleeve 62 is coaxially fixed with a fan blade 63 at one end far away from the fixed sleeve 61.
When the dust removal filter 1 sucks metal dust generated in the laser welding process of the aluminum shell through the air supply pipe 2 and the air inlet cover 3, air flow flowing in the air supply pipe 2 acts on the fan blades 63, so that the fan blades 63 are stressed to rotate, the air flow direction in the air supply pipe 2 can be disturbed in the stress rotation process of the fan blades 63, and the change of the air flow direction can ensure that the metal dust is not easy to settle and accumulate on the inner wall of the air supply pipe 2, so that the metal dust cleaning period of the inner wall of the air supply pipe 2 is reduced.
In this embodiment, a friction reducing component 7 is disposed between the fixed sleeve 61 and the rotating sleeve 62, and the friction reducing component 7 can reduce the friction between the fixed sleeve 61 and the rotating sleeve 62, so as to increase the rotation speed of the fan blade 63.
Specifically, friction reducing assembly 7 includes a front cone 71, a rear cone 72, a plurality of front magnets 73, and a plurality of rear magnets 74; the front cone 71 and the rear cone 72 are both in cone-shaped structures, the front cone 71 is coaxially and fixedly arranged at one end of the outer periphery of the rotating sleeve 62, which is close to the fixed sleeve 61, the rear cone 72 is coaxially and fixedly arranged at one end of the outer periphery of the fixed sleeve 61, which is close to the rotating sleeve 62, and the cone surfaces of the front cone 71 and the rear cone 72 are both arranged towards the fan blades 63, i.e. the cone surfaces of the front cone 71 and the rear cone 72 are both arranged forward.
The front magnet 73 and the rear magnet 74 are permanent magnets, the front magnet 73 and the rear magnet 74 are mutually in repulsive fit, specifically, the number of the front magnet 73 and the rear magnet 74 in the embodiment is three, the three front magnets 73 are uniformly distributed along the mounting rod 6 as the axle center, and the three front magnets 73 are fixedly arranged on the inner periphery of the front cone 71; the three rear magnets 74 are uniformly distributed along the mounting rod 6 as an axis, and the three rear magnets 74 are fixedly arranged on the periphery of the rear cone 72; that is, three front magnets 73 are provided in one-to-one correspondence with three rear magnets 74.
In the process that the air flow flowing in the air supply pipe 2 drives the fan blades 63 to rotate, as the front magnet 73 and the rear magnet 74 are in mutual repulsive fit relationship, contact friction force is not easy to generate between the fixed sleeve 61 and the rotating sleeve 62, so that the rotating speed of the fan blades 63 is improved, the fan blades 63 are beneficial to disturbing the air flow direction in the air supply pipe 2, and metal dust is not easy to subside and accumulate on the inner wall of the air supply pipe 2. In addition, because the front magnet 73 and the rear magnet 74 are arranged at intervals, the repulsive magnetic forces applied by the fan blades 63 when rotating to different positions are different, so that the fan blades 63 continuously shake back and forth along the axis direction of the mounting rod 6 under the combined action of the magnetic force and the airflow impact force, the fan blades 63 are beneficial to disturbing the airflow direction in the air supply pipe 2, and the metal dust is not easy to subside and accumulate on the inner wall of the air supply pipe 2. In addition, the fan blades 63 swaying back and forth can enable the air flow in the air supply pipe 2 to sway so as to drive the flexible sleeve 31 to sway, and metal dust is not easy to settle and accumulate on the inner wall of the flexible sleeve 31.
In this embodiment, the mounting plate 41 is fixed to one side of the laser welder 10 through a preset lifting assembly 8, that is, a lifting assembly 8 is disposed between the mounting plate 41 and the laser welder 10, and the lifting assembly 8 can adjust the height position of the air inlet cover 3 according to practical situations.
Specifically, the lifting assembly 8 includes a vertical rod 81, a lifting rod 82, and a locking member 83; wherein, the vertical rod 81 is vertically fixed on the laser welding machine 10, the lifting rod 82 is in an inverted L-shaped structure, the top of the lifting rod 82 is vertically fixed on one side of the mounting plate 41, which is far away from the blast pipe 2, a lifting groove which is matched with the vertical rod 81 in a sliding way is formed at the bottom of the lifting rod 82, and the lifting rod 82 is sleeved at the top of the vertical rod 81 in a sliding way, so that the height between the vertical rod 81 and the lifting rod 82 can be adjusted in a sliding way; the locking piece 83 is a bolt, the locking piece 83 is in threaded connection with the bottom of the lifting rod 82, and the locking piece 83 is abutted against the vertical rod 81, so that locking after sliding adjustment of the height between the vertical rod 81 and the lifting rod 82 is achieved.
When the clamping position of the aluminum shell is changed in height, the position of the generated metal dust is synchronously changed, the height is adjusted by sliding between the vertical rod 81 and the lifting rod 82, the height position of the air inlet cover 3 is adjusted by locking the locking piece 83, the generated metal dust is matched with the generated metal dust, and the suction effect is improved.
Referring to fig. 1, in the present embodiment, a water trap 9 is provided at one end of the air supply pipe 2 near the dust filter 1, and filtrate is preset in the water trap 9, and the filtrate is water; three dispersing grids 91 are fixedly arranged in the water trap 9 at intervals, and a valve switch 92 for replacing filtrate is arranged at the bottom of the water trap 9.
When the dust removal filter 1 sucks the metal dust generated in the laser welding process of the aluminum shell through the air supply pipe 2 and the air inlet cover 3, the air mixed with the metal dust flows through the water storage bend 9 and contacts with the filtrate under the dispersion action of the dispersion grid 91, so that part of the metal dust is dissolved in the water body, and the filtering pressure faced by the dust removal filter 1 is reduced in a pretreatment mode.
In this embodiment, an observation window is provided on one side of the trap 9, and a transparent plate 93 is fixedly capped on the observation window, the transparent plate 93 is glass, and the turbidity degree of the filtrate in the trap 9 can be observed through the transparent plate 93, so that the filtrate can be replaced in time.
The implementation principle is as follows: when the adjusting assembly 44 drives the four synchronous gears 42 to synchronously rotate, the four elastic telescopic rods 43 synchronously rotate to drive the four adjusting wheels 5 to adjust positions, so that the shape of the belt supporting ring 32 is changed, namely, the aspect ratio of the rectangular opening formed by the flexible sleeve 31 is changed, and therefore the size of the air inlet cover 3 is adjusted, and under the condition that the pumping power provided by the dust removal filter 1 is unchanged, the size of the opening of the air inlet cover 3 is adjusted, and the wind speed of the air inlet is adjusted.
Claims (8)
1. A dust collector for laser welding machine, includes dust removal filter (1), its characterized in that: an air inlet of the dust removal filter (1) is communicated with an air supply pipe (2), one end, far away from the dust removal filter (1), of the air supply pipe (2) extends to one side of the laser welding machine (10) and is fixedly provided with an air inlet cover (3), and an adjusting mechanism (4) is arranged in the air inlet cover (3); the adjusting mechanism (4) comprises a mounting plate (41) fixedly arranged on one side of the laser welding machine (10), four synchronous gears (42) rotatably arranged on the mounting plate (41), four elastic telescopic rods (43) and an adjusting assembly (44); the four synchronous gears (42) are in rectangular distribution and meshed with two adjacent synchronous gears (42), the four synchronous gears (42) are in one-to-one correspondence with the four elastic telescopic rods (43), one end of each elastic telescopic rod (43) is fixedly arranged on the corresponding synchronous gear (42) and symmetrical between the two adjacent elastic telescopic rods (43), one end, far away from the corresponding synchronous gear (42), of each elastic telescopic rod (43) is rotatably provided with an adjusting wheel (5), and the adjusting assembly (44) is fixedly arranged on the mounting plate (41) and is used for driving the four synchronous gears (42) to synchronously rotate; the air inlet cover (3) comprises a flexible sleeve (31) and a belt supporting ring (32), wherein the flexible sleeve (31) and the belt supporting ring (32) are fixedly arranged at one end of the air supply pipe (2) away from the dust removal filter (1), the belt supporting ring (32) is fixedly arranged at one end of the flexible sleeve (31) away from the air supply pipe (2), and the belt supporting ring (32) is connected between the four adjusting wheels (5).
2. A dust removing apparatus for a laser welder according to claim 1, wherein: the adjusting assembly (44) comprises an adjusting cylinder (441) fixedly arranged on the mounting plate (41) and two adjusting rods (442), a pushing block (443) is fixedly arranged on a piston rod of the adjusting cylinder (441), one ends of the two adjusting rods (442) are hinged to the pushing block (443), and the other ends of the adjusting rods are respectively hinged to the adjacent two elastic telescopic rods (43).
3. A dust removing apparatus for a laser welder according to claim 1, wherein: the elastic telescopic rod (43) comprises a fixed rod (431) fixedly arranged on a corresponding synchronous gear (42), a telescopic rod (432) and a resetting piece (433), the telescopic rod (432) is slidably embedded in the fixed rod (431) and is far away from one end of the corresponding synchronous gear (42), the adjusting wheel (5) is rotatably arranged at one end of the telescopic rod (432) far away from the fixed rod (431), and the resetting piece (433) is connected between the fixed rod (431) and the telescopic rod (432) so that the fixed rod (431) and the telescopic rod (432) always have a trend of sliding away from each other.
4. A dust removing apparatus for a laser welder according to claim 1, wherein: mounting panel (41) set firmly installation pole (6) towards blast pipe (2) one side, installation pole (6) are kept away from mounting panel (41) one end and are extended to in blast pipe (2), just installation pole (6) are kept away from mounting panel (41) one end and have been set firmly fixed cover (61), installation pole (6) periphery rotates the cover and is equipped with rotates cover (62), rotate cover (62) periphery and set firmly flabellum (63).
5. A dust removing apparatus for a laser welder according to claim 4, wherein: the friction reducing assembly (7) is arranged between the fixed sleeve (61) and the rotating sleeve (62), the friction reducing assembly (7) comprises a front cone (71) fixedly arranged on the periphery of the rotating sleeve (62), a plurality of front magnets (73) and a plurality of rear magnets (74) fixedly arranged on a rear cone (72) on the periphery of the fixed sleeve (61), conical surfaces of the front cone (71) and the rear cone (72) are arranged forwards, and the front magnets (73) and the rear magnets (74) are in repulsive fit; the front magnets (73) are uniformly distributed along the mounting rod (6) serving as an axle center, the front magnets (73) are fixedly arranged on the inner periphery of the front cone (71), the rear magnets (74) are uniformly distributed along the mounting rod (6) serving as an axle center, and the rear magnets (74) are fixedly arranged on the outer periphery of the rear cone (72).
6. A dust removing apparatus for a laser welder according to claim 1, wherein: lifting components (8) are arranged between the mounting plate (41) and the laser welding machine (10), the lifting components (8) comprise vertical rods (81) fixedly arranged on the laser welding machine (10), lifting rods (82) fixedly arranged on one side, deviating from the blast pipe (2), of the mounting plate (41) and locking pieces (83), the lifting rods (82) are slidably sleeved on the tops of the vertical rods (81), and the locking pieces (83) are in threaded connection with the lifting rods (82) and are in butt joint with the vertical rods (81).
7. A dust removing apparatus for a laser welder according to claim 1, wherein: the dust removal filter is characterized in that a water trap (9) is arranged at one end, close to the dust removal filter (1), of the air supply pipe (2), a dispersion grid (91) is fixedly arranged in the water trap (9), filtrate is preset in the water trap (9), and a valve switch (92) for replacing the filtrate is arranged at the bottom of the water trap (9).
8. A dust removing apparatus for a laser welder according to claim 7, wherein: an observation window is formed in one side of the trap (9), and a transparent plate (93) is covered on the observation window.
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| CN202210735449.7A CN114985920B (en) | 2022-06-25 | 2022-06-25 | Dust removing device for laser welding machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210735449.7A CN114985920B (en) | 2022-06-25 | 2022-06-25 | Dust removing device for laser welding machine |
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| CN114985920B true CN114985920B (en) | 2024-02-20 |
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|---|---|
| CN114985920A (en) | 2022-09-02 |
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