CN116213925B - Laser welding machine copper mouth brush cleaning device - Google Patents
Laser welding machine copper mouth brush cleaning device Download PDFInfo
- Publication number
- CN116213925B CN116213925B CN202211391213.2A CN202211391213A CN116213925B CN 116213925 B CN116213925 B CN 116213925B CN 202211391213 A CN202211391213 A CN 202211391213A CN 116213925 B CN116213925 B CN 116213925B
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- brush
- clutch
- cleaning
- wheel
- transmission
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- 238000004140 cleaning Methods 0.000 title claims abstract description 110
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 44
- 239000010949 copper Substances 0.000 title claims abstract description 44
- 238000003466 welding Methods 0.000 title claims abstract description 35
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 230000001360 synchronised effect Effects 0.000 claims description 81
- 230000005540 biological transmission Effects 0.000 claims description 77
- 238000000034 method Methods 0.000 claims description 21
- 230000006835 compression Effects 0.000 claims description 14
- 238000007906 compression Methods 0.000 claims description 14
- 230000000630 rising effect Effects 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000428 dust Substances 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000003698 laser cutting Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005086 pumping 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
- B23K26/16—Removal of by-products, e.g. particles or vapours produced during treatment of a workpiece
-
- 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
- Y02P70/10—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 provides a copper nozzle brush cleaning device of a laser welding machine, which relates to the technical field of cleaning devices and comprises a brush cleaning mechanism and a brush driving mechanism for driving a brush cleaning assembly to move along an object to be cleaned. The multiple hairbrushes can be driven by one driving device to comprehensively clean objects to be cleaned, and the cleaning effect is better.
Description
Technical Field
The invention relates to the technical field of cleaning devices. In particular to a cleaning device for a copper nozzle brush of a laser welding machine.
Background
In the prior art, patent application number CN201720103690.2 discloses a laser cutting machine with a cleaning device, comprising: the processing table is provided with a sliding groove on the left side surface and the right side surface, a longitudinal displacement mechanism is arranged on the sliding groove, rollers are respectively arranged on the front side surface and the rear side surface of the processing table, the rollers are connected with the processing table through bearing seats, and a circle of metal net is wound on the rollers; the motor is arranged below the processing table and is connected with the roller for transmission; the cleaning roller is arranged right below one roller, is connected with the roller through a conveyor belt for transmission, and is provided with a hairbrush on the surface, and the hairbrush is in contact with the metal net; the laser mechanism comprises a laser emission tube, a first reflecting mirror, a second reflecting mirror, a cross beam and a laser head. The laser cutting machine with the cleaning device is provided with the cleaning device, so that residues after laser burning can be continuously cleaned from the metal net in the processing process, and the subsequent processing quality is ensured.
In the prior art, only the local position can be cleaned by a cleaning roller to clean the welding residues, and the copper nozzle and the peripheral position of the copper nozzle cannot be effectively cleaned when the copper nozzle in a welding scene is cleaned. In the process of welding by laser, the battery tabs can generate fine dust, and although most of the dust is pumped by the dust pumping mechanism to enter the dust harmless treatment mechanism, a small part of the dust can be adsorbed in the welding copper nozzle. As the working time increases, the dust becomes more and more accumulated, and finally, the welding quality is adversely affected. Therefore, in BSB laser welding, keeping the inside of a welding copper nozzle clean is an important process, and the welding efficiency and the yield are directly affected.
At present, a method of cleaning and welding copper nozzles one by mainly adopting a hairbrush in the industry is adopted to clean a plurality of groups of copper nozzles one by one, and the method has low cleaning efficiency and poor cleaning effect, and cannot meet the technological requirements of high-speed, high-efficiency and high-quality welding on cleaning copper nozzles.
Disclosure of Invention
Based on the technical problem that the cleaning effect is not ideal in the prior art, a cleaning device for a copper nozzle brush of a laser welding machine is provided.
The cleaning device comprises a brush cleaning mechanism and a brush driving mechanism for driving the brush cleaning assembly to move along an object to be cleaned, wherein a first servo motor, a first brush, a second brush and a third brush … … Nth brush are arranged in the brush driving mechanism, the first servo motor is connected with a first synchronous wheel, the first brush is connected with a second synchronous wheel, the first synchronous wheel is connected with the second synchronous wheel through a first synchronous belt, and the second synchronous wheel is connected with the first brush through a cam follower;
a first duplex synchronous wheel is arranged on the first hairbrush, a second duplex synchronous wheel is arranged on the second hairbrush, a third duplex synchronous wheel … … is arranged on the third hairbrush, and an Nth duplex synchronous wheel is arranged on the Nth hairbrush; the first duplex synchronous wheel is connected with the second duplex synchronous wheel through a second synchronous belt, the second duplex synchronous wheel is connected with the third duplex synchronous wheel through a third synchronous belt … …, and the N-1 duplex synchronous wheel is connected with the N duplex synchronous wheel through an N synchronous belt.
Optionally, the number of the brush cleaning components is multiple, and adjacent brush cleaning components are driven by a synchronizing wheel and a synchronizing wheel.
Optionally, the cam follower is provided with a first clutch shifting wall and a second clutch shifting wall, a clutch disc is arranged between the first clutch shifting wall and the second clutch shifting wall, and a first universal ball and a second universal ball are arranged on the clutch disc;
the cam follower is also provided with a sliding block and a sliding rail matched with the sliding block, one end of the sliding block is provided with an air cylinder, the other end of the sliding block is provided with a shifting wall connecting plate, a first clutch shifting wall and a second clutch shifting wall are connected to the shifting wall connecting plate, and a first guide groove for placing the first universal ball is formed in the first clutch shifting wall; the second clutch shifting wall is provided with a second guide groove for placing the second universal ball; the starting point height and the ending point height of the first guide groove are different, and the starting point height and the ending point height of the second guide groove are different.
In this embodiment, when the cylinder acts, the wall-pulling connecting plate and the slider move forward or backward along the slide rail, the wall-pulling connecting plate connected with the slider moves forward or backward along with the wall-pulling connecting plate, the first clutch wall and the second clutch wall connected with the wall-pulling connecting plate also move forward or backward along with the wall-pulling connecting plate, the first universal ball of the clutch disc moves upward or downward along the first guide groove, and the second universal ball of the clutch disc moves upward or downward along the second guide groove.
Optionally, a clutch shaft is arranged in the clutch disc, the clutch shaft is connected with a third synchronous wheel, a nut for a support, an angular contact bearing and a deep groove ball bearing from bottom to top, a sliding sleeve is arranged between the deep groove ball bearing and the clutch shaft, and a positioning pin and a transmission pin are arranged above the sliding sleeve;
the bottom of the brush cleaning mechanism is provided with a transmission mounting plate, the bottom of the transmission mounting plate is provided with a positioning pin hole matched with the positioning pin, the bottom of the transmission mounting plate is provided with a transmission pin clamping groove matched with the transmission pin, and the upper part of the transmission mounting plate is connected with a first synchronous wheel.
Optionally, the clutch disc center is equipped with the clutch axle, install rotary module on the clutch axle, rotary module is equipped with mounting panel, bearing and sliding sleeve from outside to inside in proper order, when the clutch axle rotates along with the third synchronizing wheel, rotary module is rotatory along with the clutch axle.
Optionally, the clutch disc center is equipped with the clutch axle, install the lift module on the clutch axle, lift module front portion and rear portion are connected first universal ball and second universal ball respectively first universal ball removes along first guide way when second universal ball removes along the second guide way, the lift module is followed the clutch axle goes up and down.
Optionally, a transmission pin and a positioning pin are arranged at the upper part of the lifting module, a spring placing groove for placing the first compression spring is arranged in the lifting module, the narrow end of the positioning pin extends out of the spring placing groove, and the wide end of the positioning pin is placed in the spring placing groove;
the bottom of the brush cleaning mechanism is provided with a transmission mounting plate, the bottom of the transmission mounting plate is provided with a positioning pin hole matched with the positioning pin, the bottom of the transmission mounting plate is provided with a transmission pin clamping groove matched with the transmission pin, and the upper part of the transmission mounting plate is connected with a first synchronous wheel.
Optionally, the clutch disc is provided with a bearing module, the outside of the bearing module is a bearing seat, the inside of the bearing module is connected with a clutch shaft bearing assembly, and the bearing assembly comprises one or more angular contact bearings.
Optionally, an abortive wheel is arranged above the transmission mounting plate, the transmission mounting plate is of a circular hollow structure, a rotating disc is arranged at the position of the hollow structure, the outer edge of the rotating disc is embedded into the groove of the abortive wheel, and the abortive wheel rotates along with the rotating disc when the rotating disc rotates.
Optionally, the top of transmission mounting panel is equipped with the drop wheel, the transmission mounting panel is circular shape hollow structure, hollow structure's position is equipped with the rolling disc, the outer fringe of rolling disc with the drop wheel contacts the rolling disc rotates the time, drop wheel rotates thereupon.
Optionally, the transmission mounting panel is last to be equipped with spacing wheel subassembly, be equipped with the mount pad in the spacing wheel subassembly, the mount pad passes through the guide bar and is connected with spacing wheel installation piece, be equipped with the third guide way in the spacing wheel installation piece, install the spacing wheel relative with the outer fringe of rolling disc on the spacing wheel installation piece, the one end of guide bar place in the third guide way, be equipped with the second compression spring on the guide bar, the second compression spring will spacing wheel on the spacing wheel installation piece supports through elasticity and leans on the outer fringe of rolling disc.
Optionally, the distances between the first brush, the second brush, the third brush … … and the nth brush in the brush driving mechanism and the cleaning object are the same or different.
A copper nozzle cleaning method is provided, wherein the steps are executed by the copper nozzle brush cleaning device of any laser welding machine.
The copper nozzle cleaning method comprises the following steps:
s1, when copper nozzle cleaning operation is carried out, placing a hairbrush cleaning assembly on a conveying line, conveying the hairbrush cleaning assembly to a cleaning station of a welding machine by the conveying line, sending a signal after a sensor detects that the hairbrush cleaning assembly reaches the cleaning station, blocking an air cylinder from rising, and limiting/positioning the position of the cleaning assembly on a workbench;
s2, at the moment, the copper nozzle mounting plate of the welding machine descends, when the copper nozzle mounting plate descends to the cleaning height, the sensor sends out a signal, and the copper nozzle mounting plate stops descending;
s3, at the moment, a motor of the brush driving assembly is started, a clutch shaft in the clutch assembly is driven to rotate through a synchronous belt/synchronous wheel, meanwhile, a cylinder shaft is retracted to drive a clutch shifting arm to retract along the direction of a linear guide rail, and the shifting arm drives cam followers arranged on two sides of a clutch block to move along guide grooves of the clutch shifting arms on two sides, and the cam followers rise to a high point 25mm along the groove surface of a guide chute in the process;
s4, lifting the clutch disc by 25mm, at the moment, inserting the positioning pin into the positioning hole of the rotating disc of the brush cleaning assembly due to the lifting of the clutch disc, lifting 3 transmission pins distributed at 120 degrees on the clutch disc and propping against the bottom surface of the rotating disc of the cleaning assembly, reducing the compression spring arranged on the bottom surface of the transmission pin under the action of pressure, continuing to rotate the clutch disc, lifting and clamping the 3 transmission pins into the 3 grooves of the rotating disc under the action of the compression spring when the 3 long grooves at the bottom of the clutch disc just rotate to the positions of the 3 transmission pins, at the moment, driving the rotating disc to rotate by the transmission pins, and rotating the rotating disc through the transmission shaft of the cleaning brush assembly, so that power is transmitted to the profiling brush of the cleaning module through a plurality of synchronous belt/synchronous wheel mechanisms, and the profiling brush rotates to finish the cleaning of the welded copper nozzle;
s5, after the copper nozzle cleaning process is finished, a cylinder in the brush driving assembly is ejected out, so that the clutch shifting arm is pushed to advance along the axial direction of the cylinder, a cam follower moving along with the guide clamping groove of the clutch shifting arm is lowered by 25mm in height in the process, so that the clutch disc is lowered, the assembly cleaning positioning pin and the transmission pin are lowered, the rotating disc is separated from contact with power, and the brush cleaning assembly stops working;
s6, lifting a copper nozzle mounting plate of the welding machine, and returning to the initial height;
and S7, enabling the brush cleaning assembly to flow out of the welding station along with the conveying line, and completing the cleaning process.
The beneficial effects are that: the multiple hairbrushes can be driven by one driving device to comprehensively clean objects to be cleaned, and the cleaning effect is better.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of a brush driving mechanism according to the present invention;
FIG. 3 is a schematic view of a brush driving mechanism according to one aspect of the present invention;
FIG. 4 is a schematic view of another directional structure of the brush driving mechanism according to the present invention;
FIG. 5 is a schematic view of a cam follower configuration of the present invention;
FIG. 6 is a schematic view of a partial enlarged construction of a cam follower according to the present invention;
FIG. 7 is a schematic view of a clutch disc according to the present invention;
FIG. 8 is a schematic view of the bottom structure of the brush cleaning mechanism of the present invention;
FIG. 9 is a schematic view of another embodiment of a clutch disc according to the present invention;
FIG. 10 is a schematic view of a lifting module according to the present invention;
FIG. 11 is a schematic view of a partially enlarged structure of a drive mounting plate according to the present invention;
FIG. 12 is a schematic upper partial structure of the drive mounting plate of the present invention;
FIG. 13 is a schematic view of another partial construction of the upper portion of the drive mounting plate of the present invention;
fig. 14 is a schematic view of a longitudinal sectional partial structure of the drive mounting plate of the present invention.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention. In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "inner", "upper", etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
The invention is further described below with reference to fig. 1-14:
referring to fig. 1-14, in one embodiment, the brush cleaning device comprises a brush cleaning mechanism and a brush driving mechanism 2 for driving a brush cleaning assembly 1 to move along an object to be cleaned, a first servo motor 2-1, a first brush 2-6, a second brush and a third brush … … Nth brush are arranged in the brush driving mechanism 2, the first servo motor 2-1 is connected with a first synchronous wheel 2-2, the first brush 2-6 is connected with a second synchronous wheel 2-3, the first synchronous wheel 2-2 is connected with the second synchronous wheel 2-3 through a first synchronous belt 2-4, and the second synchronous wheel 2-3 is connected with the first brush 2-6 through a cam follower 3;
the first hairbrush 2-6 is provided with a first duplex synchronous wheel, the second hairbrush is provided with a second duplex synchronous wheel, the third hairbrush is provided with a third duplex synchronous wheel … …, and the Nth hairbrush is provided with an Nth duplex synchronous wheel; the first duplex synchronous wheel is connected with the second duplex synchronous wheel through a second synchronous belt, and the second duplex synchronous wheel is connected with the third duplex synchronous wheel through a third synchronous belt, and the N-1 duplex synchronous wheel is connected with the N duplex synchronous wheel through an N synchronous belt.
Referring to fig. 1 to 14, in one embodiment, the number of brush cleaning assemblies 1 is plural, and adjacent brush cleaning assemblies 1 are driven by a synchronizing wheel and a synchronizing wheel.
Referring to fig. 1-14, in one embodiment, the cam follower 3 is provided with a first clutch shifting wall 3-10 and a second clutch shifting wall, a clutch disc 3-13 is arranged between the first clutch shifting wall 3-10 and the second clutch shifting wall, and a first universal ball 3-12 and a second universal ball are arranged on the clutch disc 3-13;
the cam follower 3 is also provided with a sliding block 3-8 and a sliding rail 3-9 matched with the sliding block 3-8, one end of the sliding block 3-8 is provided with a cylinder 3-7, the other end is provided with a shifting arm connecting plate 3-11, the shifting arm connecting plate 3-11 is connected with a first clutch shifting wall 3-10 and a second clutch shifting wall, and a first guide groove for placing a first universal ball 3-12 is formed in the first clutch shifting wall 3-10; a second guide groove for placing a second universal ball is formed in the second clutch shifting wall; the first guide groove has a start point height different from a finish point height, and the second guide groove has a start point height different from a finish point height.
In this embodiment, when the cylinder 3-7 is operated, the arm connecting plate 3-11 and the slider 3-8 move forward or backward along the slide rail 3-9, the arm connecting plate 3-11 connected to the slider 3-8 moves forward or backward along with it, the first clutch dial wall 3-10 and the second clutch dial wall connected to the arm connecting plate 3-11 also move forward or backward along with it, the clutch disc 3-13 is located between the first clutch dial wall 3-10 and the second clutch dial wall, the first universal ball 3-12 of the clutch disc 3-13 moves upward or downward along the first guide groove, and the second universal ball of the clutch disc 3-13 moves upward or downward along the second guide groove.
In this embodiment, the specific process of cleaning is:
when the copper nozzle cleaning operation is carried out, the hairbrush cleaning assembly is placed on the conveying line, the conveying line conveys the hairbrush cleaning assembly to a cleaning station of the welding machine, after the sensor detects that the hairbrush cleaning assembly reaches the cleaning station, a signal is sent, the cylinder is blocked from rising, and the position of the cleaning assembly on the workbench is limited/positioned;
at the moment, the copper nozzle mounting plate of the welding machine descends, when the copper nozzle mounting plate descends to the cleaning height, the sensor sends out a signal, and the copper nozzle mounting plate stops descending;
at the moment, a motor of the brush driving assembly is started, a clutch shaft in the clutch assembly is driven to rotate through a synchronous belt/synchronous wheel, meanwhile, a cylinder shaft is retracted to drive a clutch shifting arm to retract along the direction of a linear guide rail, and the shifting arm drives cam followers arranged at two sides of a clutch block to move along guide grooves of the clutch shifting arms at two sides, and the cam followers rise to a high point along the groove surfaces of the guide chute in the process;
the cam follower ascends to lift the clutch disc by 25mm, at the moment, the positioning pin is inserted into the positioning hole of the rotating disc of the brush cleaning assembly due to the lifting of the clutch disc, 3 transmission pins distributed at an angle of 120 degrees on the clutch disc ascend and then prop up the bottom surface of the rotating disc of the cleaning assembly, the transmission pins firstly descend compression springs which are contracted at the bottom surfaces of the transmission pins under the action of pressure, the clutch disc continuously rotates, when the 3 long grooves at the bottom of the clutch disc just rotate to the positions of the 3 transmission pins, the 3 transmission pins ascend and are clamped into the 3 grooves of the rotating disc under the action of the compression springs, at the moment, the transmission pins drive the rotating disc to rotate, the rotating disc rotates through the transmission shaft of the cleaning brush assembly, so that power is transmitted to the profiling brushes of the cleaning module through a plurality of groups of synchronous belt/synchronous wheel mechanisms, and the profiling brushes rotate to finish cleaning of the welding copper nozzle;
after the copper nozzle cleaning process is finished, the air cylinder in the brush driving assembly is ejected, so that the clutch shifting arm is pushed to advance along the axial direction of the air cylinder, the height of the cam follower moving along with the inside of the clutch shifting arm guide clamping groove is reduced by 25mm in the process, the clutch disc is lowered, the assembly cleaning positioning pin and the transmission pin are lowered along with the clutch disc, the rotating disc is separated from contact with power, and then the brush cleaning assembly stops working;
the copper nozzle mounting plate of the welding machine rises to return to the initial height;
the brush cleaning assembly flows out of the welding station along with the conveying line, and the cleaning process is completed.
Referring to fig. 1-14, in one embodiment, clutch disc 3-13 has clutch shaft 4-2 disposed therein, clutch shaft 4-2 being disposed from bottom to top
A third synchronous wheel 4-1, a nut 4-3 for a support, an angular contact bearing 4-4 and a deep groove ball bearing 4-5 are connected, a sliding sleeve 4-6 is arranged between the deep groove ball bearing 4-5 and the clutch shaft 4-2, and a positioning pin 4-9 and a transmission pin 4-8 are arranged above the sliding sleeve 4-6;
the bottom of the brush cleaning mechanism is provided with a transmission mounting plate 5-3, the bottom of the transmission mounting plate 5-3 is provided with a positioning pin hole 5-1 matched with the positioning pin 4-9, the bottom of the transmission mounting plate 5-3 is provided with a transmission pin clamping groove 5-2 matched with the transmission pin 4-8, and the upper part of the transmission mounting plate 5-3 is connected with a first synchronous wheel 2-2.
Referring to fig. 1-14, in an embodiment, a clutch shaft 4-2 is provided at the center of the clutch disc 3-13, a rotation module 6-1 is mounted on the clutch shaft 4-2, the rotation module 6-1 is sequentially provided with a mounting plate, a bearing and a sliding sleeve from outside to inside, and the rotation module 6-1 rotates with the clutch shaft 4-2 when the clutch shaft 4-2 rotates with the third synchronizing wheel 4-1.
Referring to fig. 1 to 14, in an embodiment, a clutch shaft 4-2 is provided at the center of a clutch disc 3-13, a lifting module 6-2 is mounted on the clutch shaft 4-2, the front and rear parts of the lifting module 6-2 are respectively connected with a first universal ball 3-12 and a second universal ball, and the lifting module 6-2 lifts along the clutch shaft 4-2 when the first universal ball 3-12 moves along a first guide groove and the second universal ball moves along a second guide groove.
Referring to fig. 1-14, in an embodiment, a driving pin 4-8 and a positioning pin 4-9 are provided at an upper portion of the lifting module 6-2, a spring placing groove for placing the first compression spring 6-4 is provided inside the lifting module 6-2, a narrow end of the positioning pin 4-9 extends out of the spring placing groove, and a wide end is placed in the spring placing groove;
the bottom of the brush cleaning mechanism is provided with a transmission mounting plate 5-3, the bottom of the transmission mounting plate 5-3 is provided with a positioning pin hole 5-1 matched with the positioning pin 4-9, the bottom of the transmission mounting plate 5-3 is provided with a transmission pin clamping groove 5-2 matched with the transmission pin 4-8, and the upper part of the transmission mounting plate 5-3 is connected with a first synchronous wheel 2-2.
Referring to fig. 1-14, in one embodiment, the clutch disc 3-13 is provided with a bearing module 6-3, the bearing module 6-3 is externally provided with a bearing seat, and internally provided with a bearing assembly connected to the clutch shaft 4-2, and the bearing assembly comprises one or more angular contact bearings 4-4.
Referring to fig. 1-14, in an embodiment, an drop wheel 7-1 is disposed above the transmission mounting plate 5-3, the transmission mounting plate 5-3 is a circular hollow structure, a rotating disc 7-2 is disposed at a position of the hollow structure, an outer edge of the rotating disc 7-2 is embedded into a groove of the drop wheel 7-1, and when the rotating disc 7-2 rotates, the drop wheel 7-1 rotates along with the rotating disc.
Referring to fig. 1-14, in an embodiment, a drop wheel 7-1 is disposed above the transmission mounting plate 5-3, the transmission mounting plate 5-3 is a circular hollow structure, a rotating disc 7-2 is disposed at a position of the hollow structure, an outer edge of the rotating disc 7-2 contacts with the drop wheel 7-1, and when the rotating disc 7-2 rotates, the drop wheel 7-1 rotates along with the drop wheel.
Referring to fig. 1-14, in an embodiment, a driving mounting plate 5-3 is provided with a limiting wheel assembly 7-3, a mounting seat 7-7 is provided in the limiting wheel assembly 7-3, the mounting seat 7-7 is connected with a limiting wheel mounting block 7-6 through a guide rod, a third guide groove 7-8 is provided in the limiting wheel mounting block 7-6, a limiting wheel 7-9 opposite to the outer edge of a rotating disc 7-2 is mounted on the limiting wheel mounting block 7-6, one end of the guide rod is placed in the third guide groove 7-8, a second compression spring 7-5 is provided on the guide rod, and the limiting wheel 7-9 on the limiting wheel mounting block 7-6 is abutted against the outer edge of the rotating disc 7-2 through elasticity by the second compression spring 7-5.
In the embodiment, the rotating disc 7-2 is connected with any brush, and the rotating disc 7-2 drives the brush to rotate when rotating, so that the aim of cleaning the outer surface and welding position of the battery is fulfilled; the rotating disc 7-2 is connected with the synchronous belt and the synchronous wheel and drives any hairbrush to rotate through a matching relationship.
Referring to fig. 1 to 14, in one embodiment, the distances between the first brush 2 to 6, the second brush, the third brush … …, the nth brush, and the cleaning object in the brush driving mechanism 2 are the same or different.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the general principles of the invention and should not be taken in any way as limiting the scope of the invention. Other embodiments of the invention will be apparent to those skilled in the art from consideration of this specification without undue burden.
Claims (5)
1. The copper nozzle brush cleaning device of the laser welding machine is characterized by comprising a brush cleaning mechanism and a brush driving mechanism (2) for driving a brush cleaning assembly (1) to move along an object to be cleaned, wherein a first servo motor (2-1), a first brush (2-6), a second brush and a third brush … … Nth brush are arranged in the brush driving mechanism (2), the first servo motor (2-1) is connected with a first synchronous wheel (2-2), the first brush (2-6) is connected with a second synchronous wheel (2-3), the first synchronous wheel (2-2) is connected with the second synchronous wheel (2-3) through a first synchronous belt (2-4), and the second synchronous wheel (2-3) is connected with the first brush (2-6) through a cam follower (3); a first duplex synchronous wheel is arranged on the first hairbrush (2-6), a second duplex synchronous wheel is arranged on the second hairbrush, a third duplex synchronous wheel … … is arranged on the third hairbrush, and an Nth duplex synchronous wheel is arranged on the Nth hairbrush; the first duplex synchronous wheel is connected with the second duplex synchronous wheel through a second synchronous belt, and the second duplex synchronous wheel is connected with the third duplex synchronous wheel through a third synchronous belt, and the N-1 duplex synchronous wheel is connected with the N duplex synchronous wheel through an N synchronous belt;
the cam follower (3) is provided with a first clutch shifting wall (3-10) and a second clutch shifting wall, a clutch disc (3-13) is arranged between the first clutch shifting wall (3-10) and the second clutch shifting wall, and a first universal ball (3-12) and a second universal ball are arranged on the clutch disc (3-13); the cam follower (3) is also provided with a sliding block (3-8) and a sliding rail (3-9) matched with the sliding block (3-8), one end of the sliding block (3-8) is provided with a cylinder (3-7), the other end of the sliding block is provided with a shifting arm connecting plate (3-11), the shifting arm connecting plate (3-11) is connected with a first clutch shifting wall (3-10) and a second clutch shifting wall, and a first guide groove for placing the first universal ball (3-12) is formed in the first clutch shifting wall (3-10); the second clutch shifting wall is provided with a second guide groove for placing the second universal ball; the starting point height and the ending point height of the first guide groove are different, and the starting point height and the ending point height of the second guide groove are different;
the center of the clutch disc (3-13) is provided with a clutch shaft (4-2), the clutch shaft (4-2) is provided with a rotating module (6-1), the rotating module (6-1) is sequentially provided with a mounting plate, a bearing and a sliding sleeve from outside to inside, and when the clutch shaft (4-2) rotates along with the third synchronous wheel (4-1), the rotating module (6-1) rotates along with the clutch shaft (4-2);
the center of the clutch disc (3-13) is provided with a clutch shaft (4-2), the clutch shaft (4-2) is provided with a lifting module (6-2), the front part and the rear part of the lifting module (6-2) are respectively connected with a first universal ball (3-12) and a second universal ball, and when the first universal ball (3-12) moves along a first guide groove and the second universal ball moves along a second guide groove, the lifting module (6-2) lifts along the clutch shaft (4-2);
the upper part of the lifting module (6-2) is provided with a transmission pin (4-8) and a positioning pin (4-9), a spring placing groove for placing a first compression spring (6-4) is formed in the lifting module (6-2), the narrow end of the positioning pin (4-9) extends out of the spring placing groove, and the wide end of the positioning pin is placed in the spring placing groove; the bottom of the brush cleaning mechanism is provided with a transmission mounting plate (5-3), the bottom of the transmission mounting plate (5-3) is provided with a positioning pin hole (5-1) matched with the positioning pin (4-9), the bottom of the transmission mounting plate (5-3) is provided with a transmission pin clamping groove (5-2) matched with the transmission pin (4-8), and the upper part of the transmission mounting plate (5-3) is connected with a first synchronous wheel (2-2);
a drop wheel (7-1) is arranged above the transmission mounting plate (5-3), the transmission mounting plate (5-3) is of a circular hollow structure, a rotating disc (7-2) is arranged at the position of the hollow structure, the outer edge of the rotating disc (7-2) is embedded into a groove of the drop wheel (7-1), and when the rotating disc (7-2) rotates, the drop wheel (7-1) rotates along with the drop wheel;
the transmission mounting plate (5-3) is provided with a limiting wheel assembly (7-3), the limiting wheel assembly (7-3) is internally provided with a mounting seat (7-7), the mounting seat (7-7) is connected with a limiting wheel mounting block (7-6) through a guide rod, a third guide groove (7-8) is formed in the limiting wheel mounting block (7-6), the limiting wheel mounting block (7-6) is provided with a limiting wheel (7-9) opposite to the outer edge of the rotating disc (7-2), one end of the guide rod is placed in the third guide groove (7-8), the guide rod is provided with a second compression spring (7-5), and the limiting wheel (7-9) on the limiting wheel mounting block (7-6) is propped against the outer edge of the rotating disc (7-2) through elasticity;
the copper nozzle cleaning method of the copper nozzle brush cleaning device of the laser welding machine comprises the following steps:
s1, when copper nozzle cleaning operation is carried out, placing a hairbrush cleaning assembly on a conveying line, conveying the hairbrush cleaning assembly to a cleaning station of a welding machine by the conveying line, sending a signal after a sensor detects that the hairbrush cleaning assembly reaches the cleaning station, blocking an air cylinder from rising, and limiting/positioning the position of the cleaning assembly on a workbench;
s2, at the moment, the copper nozzle mounting plate of the welding machine descends, when the copper nozzle mounting plate descends to the cleaning height, the sensor sends out a signal, and the copper nozzle mounting plate stops descending;
s3, at the moment, a motor of the brush driving assembly is started, a clutch shaft in the clutch assembly is driven to rotate through a synchronous belt/synchronous wheel, meanwhile, a cylinder shaft is retracted to drive a clutch shifting arm to retract along the direction of a linear guide rail, and the shifting arm drives cam followers arranged on two sides of a clutch block to move along guide grooves of the clutch shifting arms on two sides, and the cam followers rise to a high point 25mm along the groove surface of a guide chute in the process;
s4, lifting the clutch disc by 25mm, at the moment, inserting the positioning pin into the positioning hole of the rotating disc of the brush cleaning assembly due to the lifting of the clutch disc, lifting 3 transmission pins distributed at 120 degrees on the clutch disc and propping against the bottom surface of the rotating disc of the cleaning assembly, reducing the compression spring arranged on the bottom surface of the transmission pin under the action of pressure, continuing to rotate the clutch disc, lifting and clamping the 3 transmission pins into the 3 grooves of the rotating disc under the action of the compression spring when the 3 long grooves at the bottom of the clutch disc just rotate to the positions of the 3 transmission pins, at the moment, driving the rotating disc to rotate by the transmission pins, and rotating the rotating disc through the transmission shaft of the cleaning brush assembly, so that power is transmitted to the profiling brush of the cleaning module through a plurality of synchronous belt/synchronous wheel mechanisms, and the profiling brush rotates to finish the cleaning of the welded copper nozzle;
s5, after the copper nozzle cleaning process is finished, a cylinder in the brush driving assembly is ejected out, so that the clutch shifting arm is pushed to advance along the axial direction of the cylinder, a cam follower moving along with the guide clamping groove of the clutch shifting arm is lowered by 25mm in height in the process, so that a clutch disc descends, an assembly cleaning positioning pin and a transmission pin descend along with the clutch disc, the rotating disc assembly is separated from contact with power, and the brush cleaning assembly stops working;
s6, lifting a copper nozzle mounting plate of the welding machine, and returning to the initial height;
and S7, enabling the brush cleaning assembly to flow out of the welding station along with the conveying line, and completing the cleaning process.
2. The copper nozzle brush cleaning device of the laser welding machine according to claim 1, wherein the number of the brush cleaning components (1) is plural, and adjacent brush cleaning components (1) are driven by a synchronizing wheel and a synchronizing wheel.
3. The copper nozzle brush cleaning device of the laser welding machine according to claim 1, wherein a clutch shaft (4-2) is arranged in a clutch disc (3-13), the clutch shaft (4-2) is connected with a third synchronous wheel (4-1), a support nut (4-3), an angular contact bearing (4-4) and a deep groove ball bearing (4-5) from bottom to top, a sliding sleeve (4-6) is arranged between the deep groove ball bearing (4-5) and the clutch shaft (4-2), and a positioning pin (4-9) and a transmission pin (4-8) are arranged above the sliding sleeve (4-6); the bottom of the brush cleaning mechanism is provided with a transmission mounting plate (5-3), the bottom of the transmission mounting plate (5-3) is provided with a positioning pin hole (5-1) matched with the positioning pin (4-9), the bottom of the transmission mounting plate (5-3) is provided with a transmission pin clamping groove (5-2) matched with the transmission pin (4-8), and the upper part of the transmission mounting plate (5-3) is connected with a first synchronous wheel (2-2).
4. The cleaning device for the copper nozzle brush of the laser welding machine according to claim 1, wherein the clutch disc (3-13) is provided with a bearing module (6-3), the bearing module (6-3) is externally provided with a bearing seat, and the bearing module is internally provided with a bearing assembly connected with the clutch shaft (4-2), and the bearing assembly comprises one or more angular contact bearings (4-4).
5. The brush cleaning apparatus for copper nozzle of laser welder according to any one of claims 1 to 4, wherein the distances between the first brush (2 to 6), the second brush, the third brush … …, the nth brush and the object to be cleaned in the brush driving mechanism (2) are the same or different.
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| CN202211391213.2A CN116213925B (en) | 2022-11-08 | 2022-11-08 | Laser welding machine copper mouth brush cleaning device |
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| CN202211391213.2A CN116213925B (en) | 2022-11-08 | 2022-11-08 | Laser welding machine copper mouth brush cleaning device |
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