CN116160112B - Laser welding and assembly production line for manufacturing large cylindrical lithium battery - Google Patents
Laser welding and assembly production line for manufacturing large cylindrical lithium battery Download PDFInfo
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- CN116160112B CN116160112B CN202310253309.0A CN202310253309A CN116160112B CN 116160112 B CN116160112 B CN 116160112B CN 202310253309 A CN202310253309 A CN 202310253309A CN 116160112 B CN116160112 B CN 116160112B
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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
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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
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/06—Metal-working plant comprising a number of associated machines or apparatus
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The invention belongs to the technical field of battery production, in particular to a laser welding and assembling production line for manufacturing a large cylindrical lithium battery, which comprises a sorting box, a double-speed line body, a detection box, an operation box, a first welding box, a turnover mechanism, a second welding box, a blanking transfer box and an assembling line body; the initial end of the double-speed wire body is connected with the end of the sorting box, and the double-speed wire body sequentially passes through the detection box, the operation box, the first welding box, the turnover mechanism and the second welding box, and the end of the double-speed wire body is connected with the initial end of the blanking transfer box; the tail end of the blanking transfer box is connected with the initial end of the assembly line body; with the demand of solving but along with big cylinder battery module is increasing gradually, also need improve gradually to big cylinder battery module's production efficiency, but current apparatus for producing can't satisfy big cylinder electric core and detect, select separately, assemble, the problem of the demand of the automated production of spot welding.
Description
Technical Field
The invention belongs to the technical field of battery production, and particularly relates to a laser welding and assembling production line for manufacturing a large cylindrical lithium battery.
Background
With the development of the existing new energy and other technologies, the demand for the battery cell is gradually increased, wherein the large cylindrical battery cell is used as the most common and universal battery cell structure and is widely applied to the fields of new energy automobiles, computers, electric bicycles, electric tools and the like.
In the prior art, after the manufacturing of the large cylindrical battery cell is completed, the large cylindrical battery module is formed through the steps of detection, sorting and assembly and spot welding, then the qualified large cylindrical battery module and the large cylindrical battery module of the same grade can be packaged and delivered, and the large cylindrical battery cell is not effectively and automatically connected in each step although corresponding automatic equipment is arranged in the existing steps, but the production efficiency of the large cylindrical battery module is gradually improved as the requirement of the large cylindrical battery module is gradually increased, but the existing production device cannot meet the requirement of automatic production of the large cylindrical battery cell for detection, sorting and assembly and spot welding.
Therefore, the invention provides a laser welding and assembling production line for manufacturing a large cylindrical lithium battery.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.
The technical scheme adopted for solving the technical problems is as follows: the invention relates to a laser welding and assembling production line for manufacturing a large cylindrical lithium battery, which comprises a sorting box, a double-speed line body, a detection box, an operation box, a first welding box, a turnover mechanism, a second welding box, a blanking transfer box and an assembling line body, wherein the sorting box is connected with the double-speed line body; the initial end of the double-speed wire body is connected with the end of the sorting box, and the double-speed wire body sequentially passes through the detection box, the operation box, the first welding box, the turnover mechanism and the second welding box, and the end of the double-speed wire body is connected with the initial end of the blanking transfer box; the tail end of the blanking transfer box is connected with the initial end of the assembly line body.
Preferably, the double-speed wire body comprises an upper wire body and a lower wire body; the upper wire body and the lower wire body are respectively provided with a flow plate; the tail end of the sorting box and the initial end of the blanking transfer box are respectively provided with a lifting transmission platform; the upper line body and the lower line body flow through the lifting transmission platform at the tail end of the sorting box and the initial end of the blanking transfer box.
Preferably, a group of positioning mechanisms are fixedly arranged on the upper wire body; the positioning mechanism comprises a fixed table; a group of fixed tables are fixedly connected to the upper wire body; the bottom end of the fixed table is provided with a first cylinder; the first air cylinder is fixedly connected with a lifting plate through an air cylinder rod; a pair of locating pins are fixedly connected to the top end of the lifting plate; the bottom end of the flow plate is provided with a pair of positioning grooves; a transverse plate is fixedly connected to the side wall of the fixed table, and a baffle is arranged on the transverse plate through a cylinder rod of the second cylinder; the baffle is hinged with a stop lever, the end part of the stop lever is provided with a stop wheel, and the hinged part is provided with a torsion spring.
Preferably, the sorting box is provided with a discharging hopper, a belt conveyor belt, an air cylinder pushing rod and a runner conveyor belt; the bottom end of the discharging hopper corresponds to the belt conveyor belt, and a group of adjacent limiting blocks are fixedly connected on the belt conveyor belt; a group of runner conveyor belts are arranged on the sorting box; a waste bin is arranged on the side wall of the sorting bin; the sorting box body is fixedly connected with a group of air cylinder pushing rods, the group of air cylinder pushing rods and the group of runner conveyor belts correspond to the waste box, the belt conveyor belts and the runner conveyor belts are vertically arranged, and the belt conveyor belts are positioned between the runner conveyor belts and the air cylinder pushing rods; and a cover plate is arranged on the end part of the runner conveyor belt.
Preferably, a feeding sensor, a lamp tube, a CCD detection camera and a discharging sensor are arranged in the detection box; a feeding sensor is arranged at the inlet of the detection box, and a discharging sensor is arranged at the outlet of the detection box; the middle part of the detection box is fixedly connected with a group of lamp tubes through a fixing frame; and a CCD detection camera is fixedly connected in the middle of the top end of the detection box.
Preferably, the operation box is provided with a placing plate and an alarm; the inner walls of the two sides of the operation box are fixedly connected with placing plates, and an alarm is fixedly connected on the placing plate on one side.
Preferably, welding mechanisms are arranged in the first welding box and the second welding box; the welding mechanism comprises a welding laser, a rolling cover, a fixed placing frame, a first Y-axis moving seat, a first X-axis moving seat and a first Z-axis moving seat; a pair of first Y-axis moving seats are fixedly connected to the bottom ends of the first welding box and the second welding box body; the fixed placing frame moves on the first Y-axis moving seat; a first X-axis moving seat is fixedly connected to the fixed placing frame; the first X-axis moving seat is provided with a first Z-axis moving seat, and the welding laser is arranged on the first Z-axis moving seat; the first welding box and the second welding box are respectively provided with a rolling cover, and the rolling covers are arranged across the speed doubling line body.
Preferably, the turnover mechanism is positioned between the first welding box and the second welding box; the turnover mechanism comprises a second Z-axis moving seat; the second Z-axis moving seat is arranged between the first welding box and the second welding box; the second Z-axis moving seat is provided with a clamping seat; the clamping seat is rotationally connected with a first screw rod, the first screw rod is connected with a movable frame through a screw rod nut pair, and the first screw rod is driven by a motor; the movable frame is internally provided with a clamping plate through a first overturning cylinder.
Preferably, the clamping plate is U-shaped; the inner wall of the clamping plate is fixedly connected with a limiting plate through a spring; the upper side wall and the lower side wall of the clamping plate are respectively provided with a first groove; the inner wall of one side of the first groove is connected with a first rack plate in a sliding way, the first rack plate is fixedly connected to the bottom of the first groove through a spring, and the side wall of the other side of the first groove is connected with a second rack plate in a sliding way; the first groove is rotationally connected with a gear; the first rack plate and the second rack plate are meshed with the gear; the bottom end of the first rack plate is provided with a first inclined plane; a second inclined plane is formed on the side wall of the limiting plate; the limiting plate is fixedly connected with a limiting rod, and the limiting rod penetrates through the clamping plate; the bottom end of the second rack plate is provided with a corrugated groove, and the convex surface of the corrugated groove is provided with a first plane; an anti-skid groove is formed in the first plane.
Preferably, a second overturning cylinder, a first telescopic cylinder, a return plate, a second X-axis moving seat, a second Y-axis moving seat, a third Z-axis moving seat, a second telescopic cylinder and a blanking plate are arranged in the blanking transfer box; the blanking transfer box is provided with a second overturning cylinder through a fixed plate, and a first telescopic cylinder is arranged on the second overturning cylinder; the two end air pressure rods of the first telescopic cylinder are fixedly connected with a return plate; a second Y-axis moving seat is arranged in the blanking transfer box; the second Y-axis moving seat is provided with a second X-axis moving seat; a third Z-axis moving seat is arranged on the second X-axis moving seat; the third Z-axis moving seat is provided with a second telescopic cylinder, and the end parts of the pneumatic rods at two ends of the second telescopic cylinder are fixedly connected with blanking plates.
The beneficial effects of the invention are as follows:
1. the invention relates to a laser welding and assembling production line for manufacturing a large cylindrical lithium battery, which is characterized in that sorting, detecting, assembling, spot welding and packaging of large cylindrical battery cores are automatically connected by utilizing a double-speed line body and an assembling line body, wherein the large cylindrical battery cores are sorted and tested by utilizing a sorting box, the same large cylindrical battery cores are further placed in a lower bracket, then the double-speed line body is placed, then whether positive and negative poles of the large cylindrical battery cores are correct or not is detected by utilizing a detecting box, an upper bracket is placed at a position where the upper bracket is placed, then welding of an upper bracket surface is performed by utilizing a first welding box, then the upper bracket is turned over by utilizing a turning mechanism, the lower bracket is arranged on the upper bracket, then welding of a lower bracket surface is performed, then the upper bracket is turned over again by utilizing a discharging box, the upper bracket is arranged on the upper bracket, the upper bracket is transferred into the assembling line body, and then the assembling line body is manually assembled by utilizing the assembling line body, so that a final large cylindrical battery module is obtained, the large cylindrical battery module is automatically assembled by utilizing the production line, meanwhile, the manual connection condition in the large cylindrical battery manufacturing process is avoided in the production process is damaged, and the situation of manual transportation in the production is like, and the large cylindrical battery is similarly handled by the assembling line.
2. According to the laser welding and assembling production line for manufacturing the large-cylinder lithium battery, the clamping plate is U-shaped, the clamping plate can be conveniently covered and supported, meanwhile, in order to ensure that loose separation cannot occur during overturning, the limiting plate is extruded firstly when the clamping plate contacts, the limiting plate moves to enable the first rack plate to be in contact with the second inclined plane through the first inclined plane to move upwards, then the second rack plate moves downwards through gear meshing, the upper face and the lower face of the second rack plate are pressed and fixed through horizontal extrusion force, vertical extrusion force is further achieved, loosening is avoided, meanwhile, a group of corrugated grooves are formed in the bottom end of the second rack plate, the convex faces of the corrugated grooves can be conveniently clamped on the outer surface of the upper support or the lower support, sliding is avoided during overturning, meanwhile, a first plane is formed in the convex faces of the corrugated grooves, anti-slip grooves are formed in the first plane, and the anti-slip grooves can be suitable for overturning treatment of various large-cylinder battery modules, and overturning stability is guaranteed.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of a sorting bin;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a partial representation of a speed doubling wire body;
FIG. 5 is an enlarged view of a portion of FIG. 4 at B;
FIG. 6 is a perspective view of a detection case;
FIG. 7 is a perspective view of the operator's compartment;
FIG. 8 is a perspective view of a first weld box;
FIG. 9 is a perspective view of a welding laser;
FIG. 10 is a perspective view of a welding mechanism;
FIG. 11 is a cross-sectional view of a clamping plate;
FIG. 12 is a side view of a second rack plate;
fig. 13 is a perspective view showing the blanking transfer box;
FIG. 14 is an enlarged view of a portion of FIG. 13 at C;
fig. 15 is a perspective view of a large cylindrical battery module;
in the figure: 1. a sorting box; 11. discharging a hopper; 12. a belt conveyor; 13. the cylinder pushes the rod; 14. a flow path conveyor belt; 15. a waste bin; 16. a limiting block; 17. a cover plate; 2. a speed doubling wire body; 21. a wire feeding body; 22. a lower line body; 23. lifting the transmission platform; 24. a flow plate; 26. a fixed table; 261. a positioning pin; 27. a first cylinder; 271. a lifting plate; 28. a cross plate; 29. a second cylinder; 291. a baffle; 292. a catch wheel; 3. a detection box; 31. a lamp tube; 32. CCD detection and shooting; 4. an operation box; 41. placing a plate; 42. an alarm; 5. a first welding box; 51. a welding laser; 52. rolling the cover; 53. fixing a placing frame; 54. a first Y-axis moving seat; 55. a first X-axis moving seat; 56. a first Z-axis moving seat; 6. a turnover mechanism; 61. a second Z-axis moving seat; 62. a clamping seat; 63. a first lead screw; 64. a moving rack; 65. a clamping plate; 66. a first overturning cylinder; 7. a second welding box; 71. a limiting plate; 72. a first groove; 73. a first rack plate; 74. a gear; 75. a second rack plate; 76. a corrugated groove; 77. a first plane; 78. an anti-skid groove; 8. a blanking transfer box; 81. a second overturning cylinder; 82. a first telescopic cylinder; 83. a return plate; 84. a second X-axis moving seat; 85. a second Y-axis moving seat; 86. a third Z-axis moving seat; 87. the second telescopic cylinder; 88. a blanking plate; 9. assembling a line body; 91. a large cylindrical battery module; 92. a large cylindrical cell; 93. an upper bracket; 94. and a lower bracket.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
Embodiment 1, as shown in fig. 1 to 15, a laser welding and assembling line for manufacturing a large cylindrical lithium battery according to an embodiment of the present invention includes a sorting box 1, a double-speed wire body 2, a detection box 3, an operation box 4, a first welding box 5, a turnover mechanism 6, a second welding box 7, a blanking transfer box 8 and an assembling line body 9; the initial end of the double-speed wire body 2 is connected with the tail end of the sorting box 1, and the double-speed wire body 2 sequentially passes through the detection box 3, the operation box 4, the first welding box 5, the turnover mechanism 6 and the second welding box 7, and the tail end of the double-speed wire body 2 is connected with the initial end of the blanking transfer box 8; the tail end of the blanking transfer box 8 is connected with the initial end of the assembly line body 9; in the prior art, after the large cylindrical battery cell 92 is manufactured, the large cylindrical battery module 91 is formed by steps of detection, sorting, assembly and spot welding, then the qualified large cylindrical battery module 91 and the large cylindrical battery module 91 at the same level can be packaged and delivered, while the existing steps are provided with corresponding automatic equipment for operating the battery cell and do not effectively and automatically connect each step, but as the requirement of the large cylindrical battery module 91 is gradually increased, the production efficiency of the large cylindrical battery module 91 is gradually improved, but the existing production device cannot meet the requirement of automatic production of the battery cell for detection, sorting and assembly and spot welding, and the existing production device has the condition of low efficiency; the invention utilizes the double-speed wire body 2 and the assembly wire body 9 to automatically connect the sorting, detection, assembly, spot welding and packaging of the large cylindrical battery cells 92, wherein the sorting box 1 is utilized to sort and test the large cylindrical battery cells 92, then the same group of large cylindrical battery cells 92 are placed in the lower bracket 94, then the large cylindrical battery cells are placed on the double-speed wire body 2, then the detection box 3 is utilized to detect whether the positive pole and the negative pole of the large cylindrical battery cells 92 are correct, the upper bracket 93 is placed at the position of the operation box 4, then the welding of the surface of the upper bracket 93 is carried out through the first welding box 5, then the turnover mechanism 6 is utilized to turn over the upper bracket 93 down, the lower bracket 94 is arranged on the upper bracket 94, then the welding of the surface of the lower bracket 94 is carried out, then the blanking box 8 is utilized to turn over again, the upper bracket 93 is arranged on the upper bracket, the upper bracket is transferred into the assembly wire 9, the final large cylindrical battery module 91 is obtained through the assembly wire body 9, the automatic connection treatment is carried out through the welding and the manufacturing of the large cylindrical battery cells 92, meanwhile, the damage to the large cylindrical battery module 91 in the production line is avoided, and the case of the large cylindrical battery module is similarly carried out in the process of the assembly wire 2, and the assembly wire is carried out in the process of the large cylindrical battery module is like.
The double-speed wire body 2 comprises an upper wire body 21 and a lower wire body 22; the upper wire body 21 and the lower wire body 22 are respectively provided with a flow plate 24; the tail end of the sorting box 1 and the initial end of the blanking transfer box 8 are respectively provided with a lifting transmission table 23; the upper wire body 21 and the lower wire body 22 flow through a flow plate 24 by a lifting transmission table 23 at the tail end of the sorting box 1 and the initial end of the blanking transfer box 8; during operation, the large cylindrical battery cells 92 sorted by the sorting box 1 are firstly placed into the lower support 94 by manpower, then the lower support 94 is placed into the lifting transmission platform 23 of the sorting box 1 to flow on the upper line body 21, then the flow plate 24 flows on the upper line body 21, meanwhile, after the flow plate 24 enters the lifting transmission platform 23 of the blanking transfer box 8, the large cylindrical battery module 91 is transferred through the blanking transfer box 8, meanwhile, the flow plate 24 moves downwards on the lifting transmission platform 23 of the blanking transfer box 8 and is in butt joint with the lower line body 22, so that the flow plate 24 enters the lower line body 22, then moves upwards on the lifting transmission platform 23 of the sorting box 1 and is connected with the upper line body 21 in the lifting transmission platform 23 of the sorting box 1, and the circulation flow of the flow plate 24 is completed.
A group of positioning mechanisms are fixedly arranged on the upper wire body 21; the positioning mechanism includes a stationary stage 26; a group of fixing tables 26 are fixedly connected to the upper wire body 21; the bottom end of the fixed table 26 is provided with a first air cylinder 27; the first cylinder 27 is fixedly connected with a lifting plate 271 through a cylinder rod; a pair of positioning pins 261 are fixedly connected to the top end of the lifting plate 271; a pair of positioning grooves are formed in the bottom end of the flow plate 24; a transverse plate 28 is fixedly connected to the side wall of the fixed table 26, and a baffle 291 is arranged on the transverse plate 28 through a cylinder rod of a second cylinder 29; a stop lever is hinged on the baffle 291, a stop wheel 292 is arranged at the end part of the stop lever, and a torsion spring is arranged at the hinge position; in operation, a positioning mechanism is provided on each operation procedure, the second cylinder 29 of the transverse plate 28 drives the baffle 291 to move upwards, the baffle 292 of the baffle 291 limits the flow plate 24, the first cylinder 27 drives the lifting plate 271 to move upwards, the positioning pin 261 is inserted into the positioning groove of the flow plate 24, the flow plate 24 is limited, and then the operation of the procedure is performed.
The sorting box 1 is provided with a discharging hopper 11, a belt conveyor 12, a cylinder pushing rod 13 and a runner conveyor 14; the bottom end of the discharging hopper 11 corresponds to the belt conveyor 12, and a group of adjacent limiting blocks 16 are fixedly connected to the belt conveyor 12; a group of runner conveyor belts 14 are arranged on the sorting box 1; a waste bin 15 is arranged on the side wall of the separation box 1; a group of cylinder pushing rods 13 are fixedly connected to the box body of the sorting box 1, the group of cylinder pushing rods 13 and a group of runner conveyor belts 14 correspond to the waste box 15, the belt conveyor belts 12 and the runner conveyor belts 14 are vertically arranged, and the belt conveyor belts 12 are positioned between the runner conveyor belts 14 and the cylinder pushing rods 13; a cover plate 17 is arranged on the end part of the runner conveyor belt 14; during operation, the large cylindrical battery cells 92 are placed in the discharging hopper 11, the large cylindrical battery cells 92 in the discharging hopper 11 sequentially fall into the adjacent limiting blocks 16 of the belt conveyor belt 12, and due to the fact that the sorting box 1 is internally provided with a high-precision internal resistance, voltage and an automatic test system, when the large cylindrical battery cells 92 are located in the runner conveyor belt 14 needing to be conveyed, the cylinder pushing rod 13 is started, the large cylindrical battery cells 92 located on the belt conveyor belt 12 are pushed into the runner conveyor belt 14, then after the large cylindrical battery cells 92 are moved to the tail end, the large cylindrical battery cells 92 on the runner conveyor belt 14 are manually placed in the lower support 94, a waste bin 15 and a detection system of the self-contained battery cells are utilized, some unqualified battery cell products are pushed into the waste bin 15 through the cylinder pushing rod 13, and meanwhile, the surface of the unused runner conveyor belt 14 can be covered by the cover plate 17, and errors are avoided, so that the situations of operators holding by hands are reduced.
A feeding sensor, a lamp tube 31, a CCD detection camera 32 and a discharging sensor are arranged in the detection box 3; a feeding sensor is arranged at the inlet of the detection box 3, and a discharging sensor is arranged at the outlet of the detection box; the middle part of the detection box 3 is fixedly connected with a group of lamp tubes 31 through a fixing frame; a CCD detection camera 32 is fixedly connected in the middle of the top end of the detection box 3; when the large cylindrical battery cell 92 placed on the lower bracket 94 enters the detection box 3 during operation, the CCD detection camera shooting 32 is started to carry out shooting processing, meanwhile, the detection system detects the positive and negative poles on the displacement lower bracket 94, meanwhile, the lamp tube 31 is utilized to irradiate, shooting is ensured to be clear, after passing through the blanking sensor, the CCD detection camera shooting 32 is automatically closed, and the CCD detection camera shooting 32 can avoid that the positive and negative poles are reversely placed on the lower bracket 94 by manual errors, so that the error rate is reduced, and the follow-up quality is ensured.
The operation box 4 is provided with a placing plate 41 and an alarm 42; the inner walls of the two sides of the operation box 4 are fixedly connected with a placing plate 41, and an alarm 42 is fixedly connected with the placing plate 41 on one side; when the device works, the alarm 42 and the CCD detection camera 32 are connected with each other, and when positive and negative electrode errors occur, the alarm 42 performs early warning treatment, so that personnel located in the operation box 4 correct the errors, and meanwhile, the upper support 93 is placed on the placement plate 41, and the upper support 93 is covered on the lower support 94 and the large cylindrical battery cell 92 to perform subsequent welding work.
Welding mechanisms are arranged in the first welding box 5 and the second welding box 7; the welding mechanism comprises a welding laser 51, a rolling cover 52, a fixed placing frame 53, a first Y-axis moving seat 54, a first X-axis moving seat 55 and a first Z-axis moving seat 56; a pair of first Y-axis moving seats 54 are fixedly connected to the bottom ends of the first welding box 5 and the second welding box 7; the fixed placing frame 53 moves on the first Y-axis moving seat 54; a first X-axis moving seat 55 is fixedly connected to the fixed placing frame 53; a first Z-axis moving seat 56 is arranged on the first X-axis moving seat 55, and the welding laser 51 is arranged on the first Z-axis moving seat 56; a rolling cover 52 is arranged in each of the first welding box 5 and the second welding box 7, and the rolling covers 52 are arranged across the double-speed wire body 2; during operation, the flow plate 24 is located in the first welding box 5, limited by the positioning mechanism, located right below the rolling cover 52, then moves the fixed placing frame 53 by the first Y-axis moving seat 54, moves the first X-axis moving seat 55 by the fixed placing frame 53, moves the first Z-axis moving seat 56 by the first X-axis moving seat 55, then adjusts the welding laser 51 up and down by the first Z-axis moving seat 56, and further performs welding treatment on the connecting piece of the upper bracket 93 and the positive electrode of the large cylindrical battery cell 92 by the hole of the rolling cover 52.
The turnover mechanism 6 is positioned between the first welding box 5 and the second welding box 7; the turnover mechanism 6 comprises a second Z-axis moving seat 61; the second Z-axis moving seat 61 is arranged between the first welding box 5 and the second welding box 7; a clamping seat 62 is arranged on the second Z-axis moving seat 61; the clamping seat 62 is rotatably connected with a first screw 63, the first screw 63 is connected with a movable frame 64 through a screw nut pair, and the first screw 63 is driven by a motor; a clamping plate 65 is arranged in the movable frame 64 through a first overturning air cylinder 66; after the welding of the upper support 93 surface is finished, the upper support 93 surface enters the turnover mechanism 6, the second Z-axis moving seat 61 is utilized to drive the clamping seat 62 to move downwards, meanwhile, the lifting motor is utilized to drive the lifting plate 271 to move upwards, the lower support 94 is partially suspended, then the motor is utilized to drive the first screw 63 to rotate at the moment, the pair of moving frames 64 are driven to move in opposite directions, and then the clamping plate 65 is utilized to turn over the upper support 93 surface and the lower support 94 surface, so that the directions of the upper support 93 surface and the lower support 94 surface are changed.
The clamping plate 65 is U-shaped; the inner wall of the clamping plate 65 is fixedly connected with a limiting plate 71 through a spring; the upper and lower side walls of the clamping plate 65 are respectively provided with a first groove 72; the inner wall of one side of the first groove 72 is connected with a first rack plate 73 in a sliding way, the first rack plate 73 is fixedly connected to the bottom of the first groove 72 through a spring, and the side wall of the other side is connected with a second rack plate 75 in a sliding way; a gear 74 is rotatably connected to the first groove 72; the first rack plate 73 and the second rack plate 75 are meshed with each other with the gear 74; a first inclined plane is formed at the bottom end of the first rack plate 73; a second inclined plane is formed on the side wall of the limiting plate 71; the limiting plate 71 is fixedly connected with a limiting rod, and the limiting rod penetrates through the clamping plate 65; the bottom end of the second rack plate 75 is provided with a ripple groove 76, and the convex surface of the ripple groove 76 is provided with a first plane 77; the first plane 77 is provided with an anti-skid groove 78; during operation, because the upper bracket 93 welds at this moment and then the lower bracket 94 does not carry out spot welding, therefore, the grip block 65 is U-shaped during this time, can conveniently cover it and support, simultaneously in order to guarantee the condition that can not appear becoming flexible separation when overturning, can extrude limiting plate 71 earlier when grip block 65 contacts, limiting plate 71 removes and can utilize the mutual contact of first inclined plane and second inclined plane with first rack plate 73, go on moving up, then mesh at utilizing gear 74, let second rack plate 75 move down, and then press and hold fixedly about it, utilize horizontal extrusion force, and then accomplish vertical extrusion force, avoid appearing not hard up condition, simultaneously with a set of ripple groove 76 has been seted up to second rack plate 75 bottom, utilize the convex surface of ripple groove 76 can conveniently block into on upper bracket 93 or the lower bracket 94 surface, avoid appearing the condition of landing when overturning, simultaneously set up first plane 77 on the convex surface of ripple groove 76, be equipped with anti-slip groove 78 on the first plane 77, can be suitable for the upset processing of multiple different big cylinder battery module 91, guarantee the upset stability.
The blanking transfer box 8 is internally provided with a second overturning cylinder 81, a first telescopic cylinder 82, a return plate 83, a second X-axis moving seat 84, a second Y-axis moving seat 85, a third Z-axis moving seat 86, a second telescopic cylinder 87 and a blanking plate 88; the blanking transfer box 8 is provided with a second overturning cylinder 81 through a fixed plate, and a first telescopic cylinder 82 is arranged on the second overturning cylinder 81; the two end air pressure rods of the first telescopic air cylinder 82 are fixedly connected with a return plate 83; a second Y-axis movable seat 85 is arranged in the blanking transfer box 8; a second X-axis moving seat 84 is provided on the second Y-axis moving seat 85; a third Z-axis moving seat 86 is provided on the second X-axis moving seat 84; a second telescopic cylinder 87 is arranged on the third Z-axis moving seat 86, and blanking plates 88 are fixedly connected to the end parts of the pneumatic rods at the two ends of the second telescopic cylinder 87; during operation, after the flow plate 24 flows to the tail end of the double-speed wire body 2, at this time, the lower support 94 faces upwards after being welded by the lower support 94, so that subsequent assembly is inconvenient, in the blanking transfer box 8, the second X-axis moving seat 84 is firstly moved by the second Y-axis moving seat 85, then the third Z-axis moving seat 86 is moved by the second X-axis moving seat 84, then the blanking plates 88 at the two ends are contracted by the second telescopic cylinder 87, the current cell welding matter is clamped, then the third Z-axis moving seat 86 moves upwards, the current cell welding matter is put between the pair of return plates 83 by the second Y-axis moving seat 85, then the return plates 83 are driven to clamp by the first telescopic cylinder 82, then the upper support 93 faces and the lower support 94 are exchanged by the second overturning cylinder 81, the upper support 93 faces upwards, then the upper support 9 is driven by the second X-axis moving seat 84, the second Y-axis moving seat 85 and the third Z-axis moving seat 86 to drive the current box welding matter to be put into the upper support 9 by the second X-axis moving seat 84, then the upper support 93 is assembled by the lower support 94, and the upper support 93 is not pressed by the lower support 94, and the upper support 93 is simultaneously fixed by the rotary support 94, and the upper support 93 is not pressed, and the upper support is simultaneously fixed.
Working principle: the large cylindrical battery core 92 is put into the discharging hopper 11, the large cylindrical battery core 92 in the discharging hopper 11 falls into the adjacent limiting block 16 of the belt conveyor 12 in sequence, because the sorting box 1 is provided with a high-precision internal resistance, voltage and automatic test system, when the large cylindrical battery core 92 is positioned in the runner conveyor 14 needing to be conveyed, the cylinder pushing rod 13 is started at the moment, the large cylindrical battery core 92 positioned on the belt conveyor 12 is pushed into the runner conveyor 14 and then moved to the tail end, the large cylindrical battery core 92 on the runner conveyor 14 is manually put into the lower bracket 94, when the large cylindrical battery core 92 positioned on the lower bracket 94 is positioned on the flow plate 24 of the lifting transmission table 23 and then is connected with the upper wire body 21 to flow, and when the large cylindrical battery core 92 is firstly positioned in the detection box 3, the CCD detection camera 32 starts the camera shooting process at the moment, the fixed flow plate 24 is detected by a detection system through a positioning mechanism, the anode and the cathode on the lower support 94 are detected by the fluorescent tube 31, the shooting is clear, after passing through a blanking sensor, the CCD detection shooting 32 is automatically closed, the anode and the cathode are prevented from being reversely placed on the lower support 94 by using the CCD detection shooting 32, the error rate is reduced, the subsequent quality is ensured, when the anode and the cathode are in error, the alarm 42 performs early warning treatment, a person positioned in the operation box 4 corrects the anode and the cathode, the upper support 93 is placed on the placing plate 41, the upper support 93 is covered on the lower support 94 and the large cylindrical battery core 92, and the subsequent welding work is performed; the flow plate 24 is positioned in the first welding box 5, limited by a positioning mechanism and positioned right below the rolling cover 52, then the fixed placing frame 53 is moved by the first Y-axis moving seat 54, the first X-axis moving seat 55 is moved by the fixed placing frame 53, the first Z-axis moving seat 56 is carried out by the first X-axis moving seat 55, then the welding laser 51 is adjusted up and down by the first Z-axis moving seat 56, and further the welding treatment is carried out on the connecting sheet of the upper bracket 93 and the positive electrode of the large cylindrical battery cell 92 by the hole of the rolling cover 52; after the surface of the upper bracket 93 is welded, the upper bracket enters the turnover mechanism 6, the clamping seat 62 is driven to move downwards by the second Z-axis moving seat 61, meanwhile, the lifting motor drives the lifting plate 271 to move upwards, the lower bracket 94 is partially suspended, then the motor drives the first screw 63 to rotate at the moment, the pair of moving frames 64 are driven to move in opposite directions, and the clamping plate 65 is used for overturning the upper bracket 93 and the lower bracket 94, so that the directions of the surfaces of the upper bracket 93 and the lower bracket 94 are changed; because the welding of the upper bracket 93 is finished and then the spot welding treatment is not carried out on the lower bracket 94, the clamping plate 65 is U-shaped, the clamping plate can be conveniently covered and supported, meanwhile, in order to ensure that loose and separation can not occur during overturning, when the clamping plate 65 contacts, the limiting plate 71 is extruded firstly, the limiting plate 71 moves to enable the first rack plate 73 to be contacted with the second inclined plane by utilizing the first inclined plane to move upwards, then the second rack plate 75 moves downwards by utilizing the gear 74 to further press and fix the upper side and the lower side of the second rack plate, vertical extrusion force is utilized, loosening is avoided, a group of corrugated grooves 76 are formed at the bottom end of the second rack plate 75, the convex surfaces of the corrugated grooves 76 can be conveniently clamped on the outer surface of the upper bracket 93 or the lower bracket 94, slipping is avoided during overturning, meanwhile, a first plane 77 is formed on the convex surfaces of the corrugated grooves 76, anti-slip grooves 78 are formed on the first plane 77, the overturning treatment of various large cylindrical battery modules 91 can be applied, and overturning stability is ensured; after the flow plate 24 flows to the tail end of the double-speed wire body 2, the flow plate enters the lifting transmission table 23 of the blanking transfer box 8, and at the moment, after the surface welding of the lower support 94, the lower support 94 faces upwards, so that the subsequent assembly is inconvenient, therefore, in the blanking transfer box 8, the second X-axis moving seat 84 is firstly moved by the second Y-axis moving seat 85, then the third Z-axis moving seat 86 is moved by the second X-axis moving seat 84, then the blanking plates 88 at the two ends are contracted by the second telescopic cylinder 87, and then the battery core welding object at the moment is clamped, then the third Z-axis moving seat 86 is upwards moved, the battery core welding object is put between the pair of return plates 83 by the second Y-axis moving seat 85, then the first telescopic cylinder 82 is used for driving the return plate 83 to clamp, the second overturning cylinder 81 is used for overturning, the upper bracket 93 surface and the lower bracket 94 surface are interchanged, the upper bracket 93 surface faces upwards, then the electric box welding objects are driven by the second X-axis moving seat 84, the second Y-axis moving seat 85 and the third Z-axis moving seat 86 to be placed on the moving plate of the assembly line body 9, then the assembly and the assembly treatment are carried out through flowing, meanwhile, after the upper bracket 93 and the lower bracket 94 are welded with a large cylindrical motor, the loosening condition is avoided, and meanwhile, the return plate 83 is fixedly rotated by extruding the upper bracket 93 and the lower bracket 94, so that the return plate 83 is adopted for fixing, and the sliding condition is avoided; meanwhile, the circulating flow of the flow plate 24 is completed by descending in the lifting transmission platform 23 of the blanking transfer box 8 and connecting the lower wire body 22.
The front, rear, left, right, up and down are all based on fig. 1 in the drawings of the specification, the face of the device facing the observer is defined as front, the left side of the observer is defined as left, and so on, according to the viewing angle of the person.
In the description of the present invention, it should be understood that the terms "center," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A laser welding and assembly production line for manufacturing a large cylindrical lithium battery is characterized in that: the automatic feeding device comprises a sorting box (1), a double-speed wire body (2), a detection box (3), an operation box (4), a first welding box (5), a turnover mechanism (6), a second welding box (7), a blanking transfer box (8) and an assembly wire body (9); the initial end of the double-speed wire body (2) is connected with the end of the sorting box (1), and the double-speed wire body (2) sequentially passes through the detection box (3), the operation box (4), the first welding box (5), the turnover mechanism (6) and the second welding box (7), and the end of the double-speed wire body (2) is connected with the initial end of the blanking transfer box (8); the tail end of the blanking transfer box (8) is connected with the initial end of the assembly line body (9);
the sorting box (1) is provided with a discharging hopper (11), a belt conveyor belt (12), an air cylinder pushing rod (13) and a runner conveyor belt (14); the bottom end of the discharging hopper (11) corresponds to the belt conveyor belt (12), and a group of adjacent limiting blocks (16) are fixedly connected to the belt conveyor belt (12); a group of runner conveyor belts (14) are arranged on the sorting box (1); a waste box (15) is arranged on the side wall of the separation box (1); a group of air cylinder pushing rods (13) are fixedly connected to the box body of the sorting box (1), the group of air cylinder pushing rods (13) and the group of runner conveying belts (14) correspond to the waste box (15), the belt conveying belts (12) and the runner conveying belts (14) are vertically arranged, and the belt conveying belts (12) are positioned between the runner conveying belts (14) and the air cylinder pushing rods (13); a cover plate (17) is arranged at the end part of the runner conveyor belt (14);
the turnover mechanism (6) is positioned between the first welding box (5) and the second welding box (7); the turnover mechanism (6) comprises a second Z-axis moving seat (61); the second Z-axis moving seat (61) is arranged between the first welding box (5) and the second welding box (7); a clamping seat (62) is arranged on the second Z-axis moving seat (61); the clamping seat (62) is rotationally connected with a first screw rod (63), the first screw rod (63) is connected with a movable frame (64) through a screw rod nut pair, and the first screw rod (63) is driven by a motor; a clamping plate (65) is arranged in the movable frame (64) through a first overturning air cylinder (66);
the clamping plate (65) is U-shaped; the inner wall of the clamping plate (65) is fixedly connected with a limiting plate (71) through a spring; the upper side wall and the lower side wall of the clamping plate (65) are respectively provided with a first groove (72); the inner wall of one side of the first groove (72) is connected with a first rack plate (73) in a sliding manner, the first rack plate (73) is fixedly connected to the bottom of the first groove (72) through a spring, and the side wall of the other side is connected with a second rack plate (75) in a sliding manner; a gear (74) is rotationally connected to the first groove (72); the first rack plate (73) and the second rack plate (75) are meshed with a gear (74); a first inclined plane is formed at the bottom end of the first rack plate (73); a second inclined plane is formed on the side wall of the limiting plate (71); the limiting plate (71) is fixedly connected with a limiting rod, and the limiting rod penetrates through the clamping plate (65); the bottom end of the second rack plate (75) is provided with a corrugated groove (76), and the convex surface of the corrugated groove (76) is provided with a first plane (77); an anti-skid groove (78) is formed in the first plane (77);
a second overturning cylinder (81), a first telescopic cylinder (82), a return plate (83), a second X-axis moving seat (84), a second Y-axis moving seat (85), a third Z-axis moving seat (86), a second telescopic cylinder (87) and a blanking plate (88) are arranged in the blanking transfer box (8); the blanking transfer box (8) is provided with a second overturning cylinder (81) through a fixed plate, and a first telescopic cylinder (82) is arranged on the second overturning cylinder (81); the two end air pressure rods of the first telescopic air cylinder (82) are fixedly connected with a return plate (83); a second Y-axis moving seat (85) is arranged in the blanking transfer box (8); a second X-axis moving seat (84) is arranged on the second Y-axis moving seat (85); a third Z-axis moving seat (86) is arranged on the second X-axis moving seat (84); the third Z-axis moving seat (86) is provided with a second telescopic cylinder (87), and blanking plates (88) are fixedly connected to the end parts of the pneumatic rods at the two ends of the second telescopic cylinder (87).
2. The laser welding and assembling line for manufacturing a large cylindrical lithium battery according to claim 1, wherein: the double-speed wire body (2) comprises an upper wire body (21) and a lower wire body (22); the upper wire body (21) and the lower wire body (22) are respectively provided with a flow plate (24); the tail end of the sorting box (1) and the initial end of the blanking transfer box (8) are both provided with lifting transmission tables (23); the upper wire body (21) and the lower wire body (22) flow through a lifting transmission table (23) at the tail end of the sorting box (1) and the initial end of the blanking transfer box (8) to flow a flow plate (24).
3. The laser welding and assembling line for manufacturing a large cylindrical lithium battery according to claim 2, wherein: a group of positioning mechanisms are fixedly arranged on the upper wire body (21); the positioning mechanism comprises a fixed table (26); a group of fixed tables (26) are fixedly connected to the upper wire body (21); a first air cylinder (27) is arranged at the bottom end of the fixed table (26); the first cylinder (27) is fixedly connected with a lifting plate (271) through a cylinder rod; a pair of positioning pins (261) are fixedly connected to the top end of the lifting plate (271); a pair of positioning grooves are formed in the bottom end of the flow plate (24); a transverse plate (28) is fixedly connected to the side wall of the fixed table (26), and a baffle (291) is arranged on the transverse plate (28) through a cylinder rod of a second cylinder (29); the baffle (291) is hinged with a stop lever, the end part of the stop lever is provided with a stop wheel (292), and the hinged part is provided with a torsion spring.
4. A laser welding and assembly line for manufacturing large cylindrical lithium batteries according to claim 3, characterized in that: a feeding sensor, a lamp tube (31), a CCD detection camera (32) and a discharging sensor are arranged in the detection box (3); a feeding sensor is arranged at the inlet of the detection box (3), and a discharging sensor is arranged at the outlet of the detection box; the middle part of the detection box (3) is fixedly connected with a group of lamp tubes (31) through a fixing frame; the CCD detection camera (32) is fixedly connected in the middle of the top end of the detection box (3).
5. The laser welding and assembling line for manufacturing a large cylindrical lithium battery according to claim 4, wherein: the operation box (4) is provided with a placing plate (41) and an alarm (42); the inner walls of the two sides of the operation box (4) are fixedly connected with placing plates (41), and an alarm (42) is fixedly connected on the placing plate (41) on one side.
6. The laser welding and assembling line for manufacturing a large cylindrical lithium battery according to claim 5, wherein: welding mechanisms are arranged in the first welding box (5) and the second welding box (7); the welding mechanism comprises a welding laser (51), a rolling cover (52), a fixed placing frame (53), a first Y-axis moving seat (54), a first X-axis moving seat (55) and a first Z-axis moving seat (56); a pair of first Y-axis moving seats (54) are fixedly connected to the bottom ends of the first welding box (5) and the second welding box (7); the fixed placing frame (53) moves on a first Y-axis moving seat (54); a first X-axis moving seat (55) is fixedly connected to the fixed placing frame (53); a first Z-axis moving seat (56) is arranged on the first X-axis moving seat (55), and a welding laser (51) is arranged on the first Z-axis moving seat (56); the first welding box (5) and the second welding box (7) are respectively internally provided with a rolling cover (52), and the rolling covers (52) are arranged across the double-speed wire body (2).
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