CN114192984A - Round battery cover transferring and welding device - Google Patents
Round battery cover transferring and welding device Download PDFInfo
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- CN114192984A CN114192984A CN202111654414.2A CN202111654414A CN114192984A CN 114192984 A CN114192984 A CN 114192984A CN 202111654414 A CN202111654414 A CN 202111654414A CN 114192984 A CN114192984 A CN 114192984A
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- weldment
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- transferring
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- 238000003466 welding Methods 0.000 title claims abstract description 219
- 239000000463 material Substances 0.000 claims abstract description 100
- 210000000078 claw Anatomy 0.000 claims description 95
- 238000003825 pressing Methods 0.000 claims description 26
- 238000001514 detection method Methods 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 239000002699 waste material Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
-
- 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
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/03—Observing, e.g. monitoring, the workpiece
- B23K26/032—Observing, e.g. monitoring, the workpiece using optical means
-
- 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
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/04—Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light
- B23K26/046—Automatically focusing the laser beam
- B23K26/048—Automatically focusing the laser beam by controlling the distance between laser head and 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
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention discloses a round battery cover transferring and welding device, which comprises a feeding station and a welding station, wherein the feeding station comprises: the welding part tray comprises a cover body material rack, a welding part tray and a feeding mechanical arm, wherein the cover body material rack is used for placing a plurality of battery covers vertically at intervals; the welding station includes: the welding seat is provided with a positioning groove for horizontally placing the battery cover and comprises a vertical module and a vertical frame of a laser head, wherein the vertical module is arranged above the welding seat; the laser head carries out spot welding through the through-hole of location convex part and weldment, guarantees that weldment and battery cover are fixed, and the laser head is to welding weldment and groove seat department full weld, effectively improves welding quality.
Description
Technical Field
The invention relates to the technical field of laser welding, in particular to a round battery cover transferring and welding device.
Background
At present, for laser welding of a circular battery cover, a manual welding mode is adopted, and the defects of low production efficiency, low product consistency and the like exist. The welding position of the battery cover needs to be adjusted in the welding process because the requirement on the quality of a welding seam is high during automatic welding, particularly for products with different heights, the positions of a laser welding head and a welding station in the prior art are usually fixed, the battery cover needs to be manually placed at a positioning position, the operation is inconvenient, and the working efficiency is not high.
In addition, in the welding work, the battery cover and the welding part need to be simultaneously fed, and the battery cover and the welding part are assembled and then welded on a welding station, so that the labor cost is further increased.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a transferring and welding device for a circular battery cover, which improves the working efficiency and the welding quality.
The technical purpose of the invention is realized by the following technical scheme: the utility model provides a circular battery cover is transported and welding set, includes material loading station and welding station, the material loading station includes:
the cover body material rack is used for placing a plurality of battery covers vertically at intervals;
the weldment plate is used for accommodating a plurality of weldments;
the feeding frame comprises a first moving module and a transferring claw, the first moving module drives the transferring claw to move transversely and vertically and grab the battery cover, and the transferring claw rotates around a longitudinal shaft and overturns the battery cover to be in a horizontal state with a welding surface facing upwards;
the feeding manipulator is movably arranged between the cover body material rack and the weldment plate, a rotating frame is arranged at the free end of the feeding manipulator, and a cover body material claw and a weldment material claw which are arranged at the two ends of the rotating frame;
the feeding manipulator and the rotating frame rotate to drive the welding part claw to align above the welding part tray and grab the welding part,
or the cover body material claw is driven to be aligned with the transferring clamping claw and is used for bearing the battery cover on the transferring clamping claw;
the welding station includes:
the welding seat is provided with a positioning groove for horizontally placing a battery cover, the welding seat moves along the transverse direction and carries a feeding mechanical arm, the feeding mechanical arm and the rotating frame rotate, the battery cover is placed on the positioning groove, and a weldment is assembled on the battery cover;
the grudging post, including vertical module and the laser head of locating the welding seat top, be equipped with the vision on the laser head and pick up the subassembly, vertical module picks up the welding position that subassembly drive laser head and battery cover are focused through the vision.
Further, the material loading manipulator comprises a base, a first rotating arm and a second rotating arm, wherein the first rotating arm is rotatably arranged on the base, the second rotating arm is rotatably arranged on the first rotating arm, and the rotating frame is rotatably arranged at the end part of the second rotating arm.
Further, the material transferring claw comprises a first rotating cylinder and double-finger clamping claws arranged on the first rotating cylinder, and the double-finger clamping claws are used for clamping the upper end and the lower end of the edge of the battery cover;
the cover body material claw comprises a first air cylinder and at least two horizontal clamping jaws arranged on the first air cylinder, the first air cylinder drives the horizontal clamping jaws to be clamped on the circumferential end face of the edge of the battery cover along the radial direction, and a space for the battery cover to enter is formed between the two horizontal clamping jaws.
Further, the weldment has a clamping end extending out of the weldment plate, the weldment material claw comprises a second air cylinder and at least three radial clamping jaws arranged on the first air cylinder, and the second air cylinder drives the plurality of radial clamping jaws to clamp on the clamping end of the weldment in the radial direction.
Further, the feeding station further comprises a longitudinal sliding module arranged below the feeding frame, the number of the cover body material frames is multiple, battery covers with different sizes are vertically placed on each cover body material frame, and the cover body material frames are longitudinally arranged on the longitudinal sliding module.
Further, still be equipped with on the welding station and compress tightly the subassembly, compress tightly the subassembly including the pressure arm of locating the welding seat top for order about the drive assembly that the pressure arm removed towards the welding seat, and form the location convex part on pressing the arm tip, set up the notch that matches with the weldment on the location convex part, just drive assembly's effect is served and is equipped with the spring, the spring butt is on pressure arm upper portion.
Further, the weldment refers to the nut, be equipped with the groove seat that supplies the nut to put into on the battery cover, the nut middle part still is equipped with the through-hole, the through-hole is focused with the laser head and is carried out spot welding.
Further, still be equipped with the second on the welding station and remove the module, the second removes the module and includes lateral shifting module, longitudinal movement module and the second revolving cylinder of setting on the longitudinal movement module, the welding seat is located on the second revolving cylinder, second revolving cylinder drive welding seat rotates, so that battery cover and weldment calibration, so that weldment and laser head calibration.
Further, the vision pickup assembly comprises a focusing sensor and an image acquisition module, the focusing sensor is in signal connection with the vertical module and controls the vertical module to adjust the height of the laser head, and the image acquisition module acquires an image of the battery cover and monitors the welding quality.
A processing technology of a round battery cover transferring and welding device comprises the following steps:
A. preparing a material loading: manually replacing the weldment plate and the cover material rack, and matching the sizes of the weldment and the battery cover;
B. battery cover feeding: the first moving module drives the transferring claw to transversely move to align the battery cover, the first moving module drives the transferring claw to vertically move, the transferring claw opens and clamps the top edge of the battery cover, the first moving module drives the transferring claw to move to the tail end of the charging frame, and the transferring claw rotates the battery cover to a horizontal state with a welding surface facing upwards and waits for a charging manipulator;
welding part feeding: the feeding manipulator moves, and meanwhile, the rotating frame rotates to clamp the weldment after aligning the welding part claw with the weldment;
transferring the battery cover and the weldment: the feeding manipulator continues to act, meanwhile, the rotating frame rotates to align the cover body material claw with the transferring material claw, the cover body material claw clamps the peripheral edge of the battery cover, and the transferring material claw is loosened and reset to prepare for grabbing of the next battery cover;
C. assembling a battery cover and a weldment: the feeding mechanical arm acts and places the battery cover on the welding seat, the second moving module drives the welding seat to be below the image acquisition module to acquire the position of the groove seat on the battery cover, and the feeding mechanical arm and the second moving module move and assemble the weldment on the groove seat;
D. welding preparation: the second moving module drives the welding seat to be below the laser head again, whether the weldment and the battery cover are assembled in place or not is detected, the second moving module drives the welding seat to be below the laser head, and the focusing sensor controls the vertical position of the laser head through the vertical module to focus the laser head and the welding position;
E. spot welding of weldment: the driving assembly drives the pressure arm to act, the positioning convex part and the weldment are aligned and pressed tightly, the spring keeps contracting and presses the pressure arm tightly, the laser head works, and the connecting part of the through hole of the weldment and the battery cover is subjected to spot welding;
F. full welding of weldment: the pressing assembly is loosened, the second moving module moves, the welding piece and the upper groove seat part of the battery cover are aligned to the laser head, the laser head works, and the welding piece and the battery cover are fully welded;
G. welding detection: and the second mobile module drives the welding seat to the position below the image acquisition module again, the quality of the welding position of the welding piece and the battery cover is detected, if the welding position is qualified, the feeding manipulator moves and grabs the battery cover to a finished product bin, and if the welding position is unqualified, the feeding manipulator moves and grabs the battery cover to a waste product bin.
Compared with the prior art, the invention has the following advantages and beneficial effects: the battery cover is vertically placed on the battery cover material rack, so that grabbing of the material transferring claw is facilitated, the cover body is always kept in a horizontal state with the welding surface facing upwards in the transferring process, subsequent assembly and welding positioning of welding pieces are facilitated, in addition, the material transferring claw is grabbed at the upper end and the lower end of the top edge of the battery cover, the rest outer edge of the battery cover is exposed outside, the material covering claw is conveniently grabbed at the peripheral edge of the battery cover, and the battery cover is convenient to transfer;
the position switching between the cover body material claw and the welding part material claw is realized through the rotating frame on the feeding manipulator, so that the feeding of the battery cover and the welding part is completed on one action end, the space is effectively saved, and the feeding, assembling and welding part efficiency is increased;
the position of the battery cover groove seat is positioned and detected through the matching of the image acquisition module and the second moving module, the reliability of the assembly of the weldment is improved, after the assembly, the battery cover and the weldment are subjected to secondary detection, the assembly of the weldment in place is ensured, and after the welding is finished, the battery cover and the weldment are subjected to tertiary detection, and the welding quality is ensured;
before welding, the height of a product is detected through a focusing sensor, the laser head is controlled to focus with a welding position, manual adjustment is not needed, the working efficiency is improved, and the adaptability to different products is improved;
in the welding process, the pressing arm is firstly positioned and pressed on the weldment, the stability of the weldment is further ensured through the spring, the laser head is subjected to spot welding through the positioning convex part and the through hole of the weldment, the weldment is ensured to be fixed with the battery cover, and then the laser head is subjected to full welding on the weldment and the groove seat, so that the welding quality is effectively improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a top view of the present invention;
fig. 3 is a schematic view of the cooperation of the feeding manipulator and the transferring claw of the invention;
fig. 4 is a schematic structural diagram of the feeding frame of the present invention;
FIG. 5 is a schematic view of the turret of the present invention;
FIG. 6 is an overall schematic view of the welding station of the present invention;
FIG. 7 is a schematic view of a soldering nest according to the present invention;
FIG. 8 is a schematic structural view of a hold-down assembly of the present invention;
FIG. 9 is a schematic view showing a state where the welding member and the battery cover of the present invention are spot-welded;
FIG. 10 is a schematic view of the structure of a laser head of the present invention;
FIG. 11 is a schematic view of the structure of the present invention showing the engagement between the cover claw and the transferring claw;
in the figure: 1. a cover material rack; 1.1, a battery cover; 1.11, a groove seat; 1.2, a longitudinal sliding module;
2. a weldment plate; 2.1, welding parts; 2.11, a through hole;
3. a feeding frame; 3.1, a first moving module; 3.11, a transverse screw rod module; 3.12, a longitudinal screw rod module;
3.2, transferring material claws; 3.21, a first rotary cylinder; 3.22, double-finger clamping jaws;
4. a feeding manipulator; 4.1, a base; 4.2, a first rotating arm; 4.3, a second rotating arm;
5. a rotating frame; 6. a cover body material claw; 6.1, a first cylinder; 6.2, horizontal clamping jaws;
7. welding part material claws; 7.1, a second cylinder; 7.2, radial clamping jaws;
8. welding a base; 8.1, positioning a groove; 8.2, a pneumatic clamping jaw;
9. erecting a frame; 10. a laser head; 11. a vertical module;
12. a visual pickup assembly; 12.1, a focusing sensor; 12.2, an image acquisition module;
13. a compression assembly; 13.1, pressing the arm; 13.2, a driving component; 13.21, a transverse cylinder; 13.22, a vertical cylinder; 13.23, a recess; 13.24, vertical guide rods;
13.3, positioning convex parts; 13.31, notches; 13.4, a spring;
14. a second moving module; 14.1, a transverse moving module; 14.2, a second rotary cylinder; 14.3, a longitudinal moving module; 15. a column; 16. a waste bin;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that, although the terms upper, middle, lower, top, end, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another for ease of understanding, and are not used to define any direction or order of limitation.
As shown in fig. 1-11, a circular battery cover is transported and welding set, includes material loading station and welding station, material loading station includes:
the cover body material rack 1 is arranged transversely, a plurality of slots are formed in the direction of the cover body material rack, and the slots are used for placing a plurality of battery covers 1.1 vertically at intervals;
the welding pieces 2.1 and the discs 2 are used for accommodating a plurality of welding pieces 2.1, and the welding pieces 2.1 and the discs 2 are detachably arranged on the tool through inserting columns;
the feeding frame 3 is arranged above the cover body material frame 1 in the transverse direction and comprises a first moving module 3.1 and a transferring material claw 3.2, the first moving module 3.1 drives the transferring material claw 3.2 to move in the transverse direction and the vertical direction, the transferring material frame grabs the battery cover 1.1, the transferring material claw 3.2 rotates around a longitudinal shaft, and the battery cover 1.1 is turned to be in a horizontal state with the welding surface facing upwards;
the feeding manipulator 4 is movably arranged between the cover body material rack 1 and the weldment 2.1 disc 2, and a rotating frame 5, a cover body material claw 6 and a weldment 2.1 material claw which are arranged at two ends of the rotating frame 5 are arranged at the free end of the feeding manipulator 4;
the feeding manipulator 4 and the rotating frame 5 rotate to drive the welding part 2.1 material claw to align above the welding part 2.1 disc 2, and the welding part 2.1 material claw grabs the welding part 2.1, or drive the cover body material claw 6 to align with the transfer clamping claw and bear the battery cover 1.1 on the transfer clamping claw;
the welding station includes:
the welding seat 8 is provided with a positioning groove 8.1 for horizontally placing a battery cover 1.1 and pneumatic clamping jaws 8.2 arranged on the periphery of the positioning groove 8.1, the pneumatic clamping jaws 8.2 are arranged at intervals along the horizontal plane, the welding seat 8 moves along the transverse direction and carries the feeding manipulator 4, the feeding manipulator 4 and the rotating frame 5 rotate, the battery cover 1.1 is placed on the positioning groove 8.1, and a weldment 2.1 is assembled on the battery cover 1.1;
the grudging post 9 is including locating vertical module 11 and the laser head 10 of 8 tops of weld holder, be equipped with the vision on the laser head 10 and pick up subassembly 12, vertical module 11 is through the vision pick up subassembly 12 drive laser head 10 and battery cover 1.1's welding position focus.
Specifically, weldment 2.1 indicates the nut, be equipped with the groove seat 1.11 that supplies the nut to put into on battery cover 1.1, the nut middle part still is equipped with through-hole 2.11, through-hole 2.11 focuses and carries out spot welding with laser head 10.
During feeding, the position switching between the cover body material claw 6 and the weldment 2.1 material claw is realized through the rotating frame 5 on the feeding mechanical arm 4, so that the feeding of the battery cover 1.1 and the weldment 2.1 is completed on one action end, the space is effectively saved, and the feeding, assembling and weldment 2.1 efficiency is increased.
In this embodiment, the battery cover 1.1 is vertically placed on the cover material rack 1, which is beneficial to grabbing of the material transferring claw 3.2, the cover body always keeps a horizontal state that a welding surface faces upwards in the transferring process, which is beneficial to subsequent assembly and welding positioning of welding pieces 2.1, and the material transferring claw 3.2 grabs the upper end and the lower end of the top edge of the battery cover 1.1, so that the rest outer edges of the battery cover 1.1 are exposed outside, the material transferring claw 6 of the cover body is convenient to grab the peripheral edge of the battery cover 1.1, and the battery cover 1.1 is convenient to transfer.
As shown in fig. 3, as an embodiment of the feeding manipulator 4, the feeding manipulator 4 includes a base 4.1, a first rotating arm 4.2 rotatably disposed on the base 4.1, and a second rotating arm 4.3 rotatably disposed on the first rotating arm 4.2, the rotating frame 5 is rotatably disposed at an end of the second rotating arm 4.3, and the rotating frame 5 and the second rotating arm 4.3 are connected by a vertical shaft, the rotating frame 5 is driven to move downwards by the vertical shaft, the feeding manipulator 4 has two rotating points, so as to effectively enlarge a moving track of two material claws on the rotating frame 5, and accurately grab or place the battery cover 1.1 and the welding part 2.1.
As shown in fig. 3, 4 and 5, as an embodiment of the cooperation between the cover material claw 6 and the transferring material claw 3.2, the first moving module 3.1 includes a transverse screw module 3.11 transversely disposed on the loading frame 3, and a vertical screw module disposed on the moving end of the screw module, and the transferring material claw 3.2 is moved by the transverse screw module 3.11 and the vertical screw module to be aligned with the battery cover 1.1 and then is grabbed.
The material transferring claw 3.2 comprises a first rotary cylinder 3.21 and double-finger clamping claws 3.22 arranged on the first rotary cylinder 3.21, after the material transferring claw 3.2 is aligned with the battery cover 1.1, the double-finger clamping claws 3.22 clamp the upper end and the lower end of the edge of the battery cover 1.1, the first rotary cylinder 3.21 acts to expose the rest outer edge of the battery cover 1.1 to the outside, so that the material transferring claw 6 can be conveniently grabbed at the peripheral edge of the battery cover 1.1, the battery cover 1.1 is convenient to transfer, and finally, the transverse screw rod module 3.11 drives the material transferring claw 3.2 to move to the tail end to be close to the feeding manipulator 4 to wait for the material transferring claw 6 to accept and grab.
The cover body material claw 6 comprises a first air cylinder 6.1 and at least two horizontal clamping jaws 6.2 arranged on the first air cylinder 6.1, the feeding mechanical arm 4 and the rotating frame 5 rotate, a space for the battery cover 1.1 to enter is formed between the horizontal clamping jaws 6.2, the horizontal clamping jaws 6.2 are aligned to the double-finger clamping jaws 3.22, and the first air cylinder 6.1 drives the horizontal clamping jaws 6.2 to clamp the circumferential end face of the edge of the battery cover 1.1 along the radial direction.
In other embodiments, the number of the horizontal clamping jaws 6.2 is three, the horizontal clamping jaws are arranged at an included angle of 120 degrees, the cross sections of the horizontal clamping jaws 6.2 are inverted L-shaped, interference is avoided, a space for the battery cover 1.1 to enter is increased, and a groove matched with the outer edge of the battery cover 1.1 is formed in the inner side of the vertical end of each horizontal clamping jaw 6.2.
As shown in fig. 3 and 5, the weldment 2.1 has a clamping end protruding from the plate 2 of the weldment 2.1, the welding claw of the weldment 2.1 includes a second cylinder 7.1 and at least three radial clamping jaws 7.2 arranged on the first cylinder 6.1, and the second cylinder 7.1 drives a plurality of the radial clamping jaws 7.2 to clamp on the clamping end of the weldment 2.1 in the radial direction, in the embodiment, the number of the radial clamping jaws 7.2 is three.
As shown in fig. 4, in other embodiments, the loading station further includes a longitudinal sliding module 1.2 disposed below the loading frame 3, the number of the cover body frames 1 is multiple, battery covers 1.1 with different sizes are vertically placed on each cover body frame 1, and the multiple cover body frames 1 are longitudinally arranged on the longitudinal sliding module 1.2.
Wherein, lid work or material rest 1 can be dismantled on longitudinal sliding module 1.2 through artificial mode, if the mode of pegging graft through stand 15, in addition, lid work or material rest 1 also can move on longitudinal sliding module 1.2 through electric drive's mode to switch the lid work or material rest 1 that aligns with last work or material rest 3.
As shown in fig. 6, 8 and 9, a pressing assembly 13 is further disposed on the welding station, the pressing assembly 13 includes a pressing arm 13.1 disposed above the welding seat 8, a driving assembly 13.2 for driving the pressing arm 13.1 to move toward the welding seat 8, and a positioning protrusion 13.3 formed at an end of the pressing arm 13.1, a notch 13.31 matched with the weldment 2.1 is formed on the positioning protrusion 13.3, the driving assembly 13.2 drives the pressing arm 13.1 to move downward, so that the notch 13.31 on the positioning protrusion 13.3 is matched with the weldment 2.1, and a spring 13.4 is disposed on an acting end of the driving assembly 13.2, the spring 13.4 abuts against an upper portion of the pressing arm 13.1, and further exerts an acting force on the pressing arm 13.1, so as to ensure stability of matching of the positioning protrusion 13.3 with the weldment 2.1.
During welding, acquire cell cover 1.1 through image acquisition module 12.2 and go up groove seat 1.11 position, adjust groove seat 1.11 position through second revolving cylinder 14.2, drive assembly 13.2 adjustment pressure arm 13.1 position for notch 13.31 and through-hole 2.11 can align in welding position department, and notch 13.31 is pressed and is covered in welding position department, can be pressed and cover on the nut, through-hole 2.11 aligns with the laser welding head, make laser welding pass through notch and through-hole 2.11 welding, increase positioning effect, even laser welding head position dislocation, can not harm the product yet, when compressing tightly subassembly 13 action, carry out spot welding work.
As an embodiment of the driving assembly 13.2, an upright post 15 is further disposed outside the welding seat 8, the driving assembly 13.2 includes a transverse cylinder 13.21 and a vertical cylinder 13.22, the transverse cylinder 13.21 is slidably disposed on the upright post 15, the vertical cylinder 13.22 is disposed at an output end of the transverse cylinder 13.21, a recess 13.23 is disposed at an output end of the vertical cylinder 13.22, a vertical guide rod 13.24 is disposed in the recess 13.23, the spring 13.4 is sleeved on the vertical guide rod 13.24, the pressing arm 13.1 is sleeved between the spring 13.4 and the recess 13.23, the spring 13.4 provides a buffer for the movement of the pressing arm 13.1, and provides a return for the pressing arm 13.1 after the welding is completed, and when the pressing arm 13.1 is in fit contact with the welding member 2.1, the vertical cylinder 13.22 is further pressed down to compress the spring 13.4 to apply an acting force.
Specifically, the transverse cylinder 13.21 is adjustably arranged on the upright post 15 through a clamp, so that the pressing effect corresponding to different product heights can be adjusted.
As shown in fig. 6 and 7, a second moving module 14 is further disposed on the welding station, the second moving module 14 includes a transverse moving module 14.1, a longitudinal moving module 14.3 disposed on the transverse moving module 14.1, and a second rotating cylinder 14.2 disposed on the longitudinal moving module 14.3, the welding seat 8 is disposed on the second rotating cylinder 14.2, and the second rotating cylinder 14.2 drives the welding seat 8 to rotate, so that the battery cover 1.1 is aligned with the weldment 2.1, and the weldment 2.1 is aligned with the laser head 10.
As shown in fig. 10, the vision pickup assembly 12 includes a focusing sensor 12.1 and an image acquisition module 12.2, the focusing sensor 12.1 is in signal connection with the vertical module 11, and controls the vertical module 11 to adjust the height of the laser head 10, and the image acquisition module 12.2 acquires an image of the battery cover 1.1 and monitors the welding quality.
The image acquisition module 12.2 is a camera, the focusing sensor 12.1 and the camera are both mounted on the vertical frame 9 through a side frame, the camera is used for detecting the outline dimension of a welding seam formed at a welding position, the welding is performed after the focusing is completed, the camera is used for detecting the welding seam after the welding is completed, the appearances of the welding seam such as shape, height, width and the like are detected, and unqualified products are conveyed into an unqualified material tray.
During welding, the height of the battery cover 1.1 is measured by the focusing sensor 12.1 after the battery cover enters the welding seat 8, and then the laser head 10 moves up and down on the vertical module 11 according to the height of the battery cover 1.1 to be adjusted to be high, so that the purpose of focusing is achieved.
Optionally, a protective cover is further disposed on the side frame corresponding to the focusing sensor 12.1, and the protective cover covers the periphery of the focusing sensor 12.1, so that the lower sensing position of the focusing sensor 12.1 is exposed, and interference from external factors is avoided.
Optionally, a dust hood is arranged below the laser head 10 on the stand 9.
A processing technology of a round battery cover 1.1 transferring and welding device comprises the following steps:
A. preparing a material loading: manually replacing the welding parts 2.1, the disc 2 and the cover body material rack 1, and matching the sizes of the welding parts 2.1 and the battery cover 1.1;
B. battery cover 1.1 loading: the first moving module 3.1 drives the transferring material claw 3.2 to move transversely to align with the battery cover 1.1, the first moving module 3.1 drives the transferring material claw 3.2 to move vertically, the transferring material claw 3.2 opens and clamps the top edge of the battery cover 1.1, the first moving module 3.1 drives the transferring material claw 3.2 to move to the tail end of the upper material frame 3, and the transferring material claw 3.2 rotates the battery cover 1.1 to be in a horizontal state with the welding surface facing upwards and waits for the grabbing of the feeding manipulator 4;
2.1 feeding of weldment: the feeding manipulator 4 acts, the rotating frame 5 rotates at the same time, and the welding part 2.1 is clamped after the material claw of the welding part 2.1 is aligned with the welding part 2.1;
battery cover 1.1 and weldment 2.1 transport: the feeding manipulator 4 continues to act, meanwhile, the rotating frame 5 rotates, the cover body material claw 6 is aligned with the transferring material claw 3.2, the cover body material claw 6 clamps the peripheral side edge of the battery cover 1.1, and the transferring material claw 3.2 is released to reset to prepare for grabbing of the next battery cover 1.1;
C. battery cover 1.1 and weldment 2.1 are assembled: the feeding mechanical arm 4 acts and places the battery cover 1.1 on the welding seat 8, the second moving module 14 drives the welding seat 8 to be below the image acquisition module 12.2 to acquire the position of the groove seat 1.11 on the battery cover 1.1, the feeding mechanical arm 4 and the second moving module 14 move, and the weldment 2.1 is assembled on the groove seat 1.11;
D. welding preparation: the second moving module 14 drives the welding seat 8 to the position below the image acquisition module 12.2 again, whether the weldment 2.1 and the battery cover 1.1 are assembled in place or not is detected, if the assembly is qualified, the second moving module 14 drives the welding seat 8 to the position below the laser head 10, the focusing sensor 12.1 controls the vertical position of the laser head 10 through the vertical module 11, the laser head 10 is focused on the welding position, and the pneumatic clamping jaw 8.2 clamps the battery cover 1.1 on the positioning groove 8.1 along the radial direction;
E. weldment 2.1 Spot welding: the driving assembly 13.2 drives the pressing arm 13.1 to act, the positioning convex part 13.3 is aligned with the weldment 2.1, then the driving assembly 13.2 drives the pressing arm 13.1 to press the weldment 2.1 downwards, and the pressing arm 13.1 and the weldment 2.1 are pressed downwards again, so that the spring 13.4 keeps contracting and presses the pressing arm 13.1, the laser head 10 works, and the joint of the through hole 2.11 of the weldment 2.1 and the battery cover 1.1 is subjected to spot welding;
F. weldment 2.1 full weld: the pressing assembly 13 is loosened, the second moving module 14 moves, the welding piece 2.1 and the groove seat 1.11 on the battery cover 1.1 are aligned to the laser head 10, the laser head 10 works, and the welding piece 2.1 and the battery cover 1.1 are fully welded;
G. welding detection: the second moving module 14 drives the welding seat 8 to the position below the image acquisition module 12.2 again, quality detection is carried out on the welding position of the welding piece 2.1 and the battery cover 1.1, if the welding position is qualified, the feeding manipulator 4 acts and grabs the battery cover 1.1 to a finished product bin, and if the welding position is not qualified, the feeding manipulator 4 acts and grabs the battery cover 1.1 to a waste product bin 16.
In the step D, if the assembly is not qualified, the feeding manipulator 4 acts to remove the weldment 2.1, the welding seat 8 returns to the position below the image acquisition module 12.2 and returns to the step C again, and the position of the groove seat 1.11 is acquired again; or the feeding mechanical arm 4 directly grabs the battery cover 1.1 into the waste bin 16.
In step E, the spot welding position is located at the junction of the through hole 2.11 of the weldment 2.1 and the socket 1.11.
In step F, the full-weld position is located at the junction of the peripheral side of weldment 2.1 and socket 1.11.
The position of the battery cover 1.1 and the position of the groove seat 1.11 are positioned and detected through the matching of the image acquisition module 12.2 and the second movable module 14, the assembling reliability of the weldment 2.1 is improved, after the assembly, the battery cover 1.1 and the weldment 2.1 are secondarily detected to ensure that the weldment 2.1 is assembled in place, and after the welding is finished, the battery cover 1.1 and the weldment 2.1 are detected for three times to ensure the welding quality;
before welding, the height of a product is detected through the focusing sensor 12.1, the laser head 10 is controlled to focus with a welding position, manual adjustment is not needed, the working efficiency is improved, and the adaptability to different products is improved;
in the welding process, the pressure arm 13.1 is firstly positioned and pressed on the weldment 2.1, the stability of the weldment 2.1 is ensured through the spring 13.4, the laser head 10 performs spot welding through the positioning convex part 13.3 and the through hole 2.11 of the weldment 2.1, the weldment 2.1 is ensured to be fixed with the battery cover 1.1, and then the laser head 10 performs full welding on the weldment 2.1 and the groove seat 1.11, so that the welding quality is effectively improved.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (10)
1. A round battery cover transferring and welding device comprises a feeding station and a welding station, and is characterized in that,
the material loading station includes:
the battery cover comprises a cover body material rack (1) for vertically placing a plurality of battery covers (1.1) at intervals;
the welding part (2.1) disc (2) is used for accommodating a plurality of welding parts (2.1);
the feeding frame (3) comprises a first moving module (3.1) and a transferring claw (3.2), the first moving module (3.1) drives the transferring claw (3.2) to move along the transverse direction and the vertical direction and grab the battery cover (1.1), and the transferring claw (3.2) rotates around a longitudinal shaft and overturns the battery cover (1.1) to be in a horizontal state with a welding surface facing upwards;
the feeding manipulator (4) is movably arranged between the cover body material rack (1) and the weldment (2.1) plate (2), a rotating frame (5) is arranged at the free end of the feeding manipulator (4), and a cover body material claw (6) and a weldment (2.1) material claw which are arranged at the two ends of the rotating frame (5) are arranged;
the feeding manipulator (4) and the rotating frame (5) rotate to drive the welding part (2.1) material claw to align above the welding part (2.1) disc (2) and grab the welding part (2.1),
or the cover body material claw (6) is driven to align with the transfer clamping jaw and bear a battery cover (1.1) on the transfer clamping jaw;
the welding station includes:
the welding seat (8) is provided with a positioning groove (8.1) for horizontally placing a battery cover (1.1), the welding seat (8) moves along the transverse direction and carries the feeding mechanical arm (4), the feeding mechanical arm (4) and the rotating frame (5) rotate, the battery cover (1.1) is placed on the positioning groove (8.1), and a weldment (2.1) is assembled on the battery cover (1.1);
grudging post (9), including vertical module (11) and laser head (10) of locating welding seat (8) top, be equipped with the vision on laser head (10) and pick up subassembly (12), vertical module (11) are picked up subassembly (12) through the vision and are driven laser head (10) and battery cover (1.1) welding position and focus.
2. The round battery cover transferring and welding device according to claim 1, wherein: the feeding mechanical arm (4) comprises a base (4.1), a first rotating arm (4.2) rotatably arranged on the base (4.1) and a second rotating arm (4.3) rotatably arranged on the first rotating arm (4.2), and the rotating frame (5) is rotatably arranged at the end part of the second rotating arm (4.3).
3. The round battery cover transferring and welding device according to claim 1, wherein: the material transferring claw (3.2) comprises a first rotating cylinder (3.21) and a double-finger clamping claw (3.22) arranged on the first rotating cylinder (3.21), wherein the double-finger clamping claw (3.22) clamps the upper end and the lower end of the edge of the battery cover (1.1);
the cover body material claw (6) comprises a first air cylinder (6.1) and at least two horizontal clamping jaws (6.2) arranged on the first air cylinder (6.1), the first air cylinder (6.1) drives the horizontal clamping jaws (6.2) to be clamped on the circumferential end face of the edge of the battery cover (1.1) along the radial direction, each horizontal clamping jaw is of an inverted L shape, a groove matched with the edge of the battery cover is formed in the end portion of the inner side of each horizontal clamping jaw, and a space for the battery cover (1.1) to enter is formed between the two horizontal clamping jaws (6.2).
4. The round battery cover transferring and welding device according to claim 1, wherein: the weldment (2.1) is provided with a clamping end extending out of the weldment (2.1) disc (2), the weldment (2.1) material claw comprises a second air cylinder (7.1) and at least three radial clamping jaws (7.2) arranged on the first air cylinder (6.1), and the second air cylinder (7.1) drives the plurality of radial clamping jaws (7.2) to be radially clamped on the clamping end of the weldment (2.1).
5. The round battery cover transferring and welding device according to claim 1, wherein: the feeding station further comprises a longitudinal sliding module (1.2) arranged below the feeding frame (3), the number of the cover body material frames (1) is multiple, battery covers (1.1) with different sizes are vertically placed on each cover body material frame (1), and the cover body material frames (1) are longitudinally arranged on the longitudinal sliding module (1.2).
6. The round battery cover transferring and welding device according to claim 1, wherein: still be equipped with on the welding station and compress tightly subassembly (13), compress tightly subassembly (13) including locating pressure arm (13.1) above welding seat (8), be used for driving pressure arm (13.1) towards drive assembly (13.2) that welding seat (8) removed to and form location convex part (13.3) on pressing arm (13.1) tip, set up notch (13.31) that match with weldment (2.1) on location convex part (13.3), just be equipped with spring (13.4) on the effect end of drive assembly (13.2), spring (13.4) butt is in pressure arm (13.1) upper portion.
7. The round battery cover transferring and welding device according to claim 1, wherein: weldment (2.1) refer to the nut, be equipped with on battery cover (1.1) and supply groove seat (1.11) that the nut put into, the nut middle part still is equipped with through-hole (2.11), through-hole (2.11) focus with laser head (10) and carry out spot welding.
8. The round battery cover transferring and welding device according to claim 1, wherein: still be equipped with second on the welding station and remove module (14), second removes module (14) and includes lateral shifting module (14.1), longitudinal movement module (14.3) and second revolving cylinder (14.2) of setting on longitudinal movement module (14.3), welding seat (8) are located on second revolving cylinder (14.2), second revolving cylinder (14.2) drive welding seat (8) rotate, so that battery cover (1.1) and weldment (2.1) calibration, so that weldment (2.1) and laser head (10) calibration.
9. The round battery cover transferring and welding device according to claim 1, wherein: subassembly (12) are picked up including locating sensor (12.1) and the image acquisition module (12.2) of focusing, sensor (12.1) and vertical module (11) signal connection of focusing, and control laser head (10) height is adjusted in vertical module (11), battery cover (1.1) image and monitoring welding quality are obtained in image acquisition module (12.2).
10. The processing technology of the round battery cover transferring and welding device is characterized by comprising the following steps of:
A. preparing a material loading: manually replacing the welding part (2.1) disc (2) and the cover body material rack (1) and matching the sizes of the welding part (2.1) and the battery cover (1.1);
B. battery cover (1.1) loading: the first moving module (3.1) drives the transferring claw (3.2) to move transversely to align the battery cover (1.1), the first moving module (3.1) drives the transferring claw (3.2) to move vertically, the transferring claw (3.2) opens and clamps the top edge of the battery cover (1.1), the first moving module (3.1) drives the transferring claw (3.2) to move to the tail end of the charging rack (3), and the transferring claw (3.2) rotates the battery cover (1.1) to a horizontal state with a welding surface facing upwards and waits for the charging manipulator (4);
feeding weldment (2.1): the feeding manipulator (4) acts, the rotating frame (5) rotates at the same time, and the welding part (2.1) is clamped after the claw of the welding part (2.1) is aligned to the welding part (2.1);
battery cover (1.1) and weldment (2.1) transport: the feeding manipulator (4) continues to act, meanwhile, the rotating frame (5) rotates, the cover body material claw (6) is aligned to the transferring material claw (3.2), the cover body material claw (6) clamps the peripheral side edge of the battery cover (1.1), the transferring material claw (3.2) is loosened to reset, and the next battery cover (1.1) is ready to be grabbed;
C. the battery cover (1.1) and the weldment (2.1) are assembled: the feeding mechanical arm (4) acts and places the battery cover (1.1) on the welding seat (8), the second moving module (14) drives the welding seat (8) to be below the image acquisition module (12.2) to acquire the position of the groove seat (1.11) on the battery cover (1.1), the feeding mechanical arm (4) and the second moving module (14) move, and the weldment (2.1) is assembled on the groove seat (1.11);
D. welding preparation: the second moving module (14) drives the welding seat (8) to be below the image acquisition module (12.2) again, whether the weldment (2.1) and the battery cover (1.1) are assembled in place or not is detected, the second moving module (14) drives the welding seat (8) to be below the laser head (10), the focusing sensor (12.1) controls the vertical position of the laser head (10) through the vertical module (11), and the laser head (10) is focused with the welding position;
E. spot welding of weldment (2.1): the driving assembly (13.2) drives the pressing arm (13.1) to act, the positioning convex part (13.3) is aligned with the weldment (2.1) to be pressed, the spring (13.4) keeps contracting and presses the pressing arm (13.1), the laser head (10) works, and the connecting part of the through hole (2.11) of the weldment (2.1) and the battery cover (1.1) is subjected to spot welding;
F. full welding of weldment (2.1): the pressing assembly (13) is loosened, the second moving module (14) moves, the welding piece (2.1) and the groove seat (1.11) on the battery cover (1.1) are aligned to the laser head (10), the laser head (10) works, and the welding piece (2.1) and the battery cover (1.1) are fully welded;
G. welding detection: the second moving module (14) drives the welding seat (8) to be below the image acquisition module (12.2) again, quality detection is carried out on the welding position of the welding piece (2.1) and the battery cover (1.1), if the welding position is qualified, the feeding manipulator (4) acts and grabs the battery cover (1.1) to a finished product bin, and if the welding position is not qualified, the feeding manipulator (4) acts and grabs the battery cover (1.1) to a waste product bin (16).
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| CN202111654414.2A CN114192984B (en) | 2021-12-30 | 2021-12-30 | Round battery cover transferring and welding device |
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| CN114192984B (en) | 2024-10-11 |
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