CN111170061A - Welding strip fixed-length feeding device of solar cell welding machine - Google Patents
Welding strip fixed-length feeding device of solar cell welding machine Download PDFInfo
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- CN111170061A CN111170061A CN202010030540.XA CN202010030540A CN111170061A CN 111170061 A CN111170061 A CN 111170061A CN 202010030540 A CN202010030540 A CN 202010030540A CN 111170061 A CN111170061 A CN 111170061A
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- 238000003466 welding Methods 0.000 title claims abstract description 200
- 230000007246 mechanism Effects 0.000 claims abstract description 69
- 238000005520 cutting process Methods 0.000 claims abstract description 58
- 239000000463 material Substances 0.000 claims description 49
- 229910000679 solder Inorganic materials 0.000 claims description 20
- 239000011248 coating agent Substances 0.000 claims description 16
- 238000000576 coating method Methods 0.000 claims description 16
- 230000004907 flux Effects 0.000 claims description 15
- 239000002699 waste material Substances 0.000 claims description 14
- 238000003825 pressing Methods 0.000 claims description 13
- 239000000843 powder Substances 0.000 claims description 8
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005476 soldering Methods 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 230000007704 transition Effects 0.000 description 4
- 238000001035 drying Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 241000252254 Catostomidae Species 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000002789 length control Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
- B65H35/04—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
- B65H35/06—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators from or with blade, e.g. shear-blade, cutters or perforators
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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
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
-
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H20/00—Advancing webs
- B65H20/16—Advancing webs by web-gripping means, e.g. grippers, clips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
- B65H23/188—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web
- B65H23/1888—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web and controlling web tension
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/11—Dimensional aspect of article or web
- B65H2701/113—Size
- B65H2701/1133—Size of webs
- B65H2701/11332—Size of webs strip, tape, narrow web
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention relates to a solar cell production device. A welding strip fixed-length feeding device of a solar cell welding machine comprises a clamping and feeding mechanism, a cutting mechanism and a strip pulling mechanism; the welding strip clamping and feeding device comprises a welding strip clamping mechanism, a welding strip feeding mechanism, a cutting mechanism, a strip pulling mechanism and a clamping and feeding mechanism, wherein the welding strip clamping mechanism, the cutting mechanism and the strip pulling mechanism are sequentially arranged in a connected mode along the feeding direction of a welding strip; the cutting mechanism is used for cutting off the welding strip. The invention can clamp a plurality of welding strips at the same time, and has high synchronism and high efficiency; the welding strip is obliquely placed through the swing rod, so that the precision and the accuracy are improved, and the rebound impact caused by the direct placing of the welding strip is avoided.
Description
Technical Field
The invention relates to solar cell production equipment, in particular to a welding strip fixed-length feeding device of a solar cell welding machine.
Background
The welding of the solar cell slice is generally divided into two steps, the first step is to weld a welding strip on a main grid of a front electrode, when welding, the welding strip is coated with scaling powder and dried, then the cell slice is placed on a preheating plate to be preheated to 40-50 ℃, then the welding strip is placed at a proper position of a main grid line of the cell slice, so that the central line of the welding strip is superposed with the central line of the main grid line, then an electric soldering iron slides along the direction of the main grid line and firmly welds the whole welding strip, the whole welding process needs very precise operation and control, otherwise, the product quality problem is easily generated. And the second step is to weld the battery plate welded with the welding strip in the first step and the back battery of the second battery plate.
The existing solar cell welding machine has a plurality of structures, for example, the patent with the publication number of CN109623217A is disclosed by the intellectual property office of China, and a solar cell welding machine is disclosed, so that the automatic welding of a plurality of solar cell strings is realized, the production efficiency is improved, and the solar cell welding machine is mainly used for the second-step welding. For another example, the chinese intellectual property office discloses a patent with publication number CN102528203B and patent name of a semiautomatic welding machine for solar cells, which comprises a machine base, and is characterized in that: the machine base is sequentially provided with a welding strip fixing device along the length direction; a solder strip straightening device; a feeding device; a flux coating device; a soldering flux drying device; the welding strip cutting device comprises a tool rest, a first pressing device, a cutter and a welding head, wherein a chopping block is arranged at the bottom of the tool rest; and the welding strip traction device comprises a second pressing device capable of fixing the welding strip and a driving device capable of controlling the second pressing device to move back and forth between the cut-off position of the welding strip and the welding station. This patent solar wafer get put and adopt manual operation, and the welding is accomplished through equipment, and production efficiency is low to photovoltaic cell's degree of accuracy and efficiency are not high on the manual work. First closing device and second closing device realize pressing from both sides tightly through the electro-magnet, weld the area and directly place on the battery surface, can take place the dislocation phenomenon, influence welded precision.
The existing solar cell welding machine has the following defects: 1. the automatic feeding efficiency of the solar cell is not high, the material box needs to be replaced manually, and the battery storage is less; 2. the welding strip is directly placed and is easy to bounce, the welding precision of the welding strip is not high, and the length control is different; 3. the battery is not detected before welding, so that unqualified welding can be caused, and unnecessary waste is caused.
Disclosure of Invention
The purpose of the invention is: the welding strip fixed-length feeding device of the solar cell welding machine is high in cutting precision of the welding strip, the welding strip is obliquely placed, two ends of the welding strip are sequentially clamped, and welding is accurate.
For the purpose of the invention, the following technical scheme is adopted for realizing the purpose: a welding strip fixed-length feeding device of a solar cell welding machine comprises a clamping and feeding mechanism, a cutting mechanism and a strip pulling mechanism; the welding strip clamping and feeding device comprises a welding strip clamping mechanism, a welding strip feeding mechanism, a cutting mechanism, a strip pulling mechanism and a clamping and feeding mechanism, wherein the welding strip clamping mechanism, the cutting mechanism and the strip pulling mechanism are sequentially arranged in a connected mode along the feeding direction of a welding strip; the cutting mechanism is used for cutting off the welding strip.
Preferably, the clamping and sending mechanism comprises a first support and a plurality of groups of clamping components arranged on the first support, each clamping component comprises a material passing rod, a swinging pressure rod and a pressing cylinder, the material passing rods are fixedly arranged on the first support, the upper ends of the material passing rods are provided with sinking grooves, welding strips are arranged in the sinking grooves, the end parts of the material passing rods are provided with square through holes, and the swinging pressure rods are hinged in the square through holes; the swing pressure lever is folded, a hinge pin is arranged at the turning part, and the upper end of the swing pressure lever is blocky and corresponds to the end part of the material passing rod; the fixed end of the compressing cylinder is hinged with the material passing rod, and the telescopic end of the compressing cylinder is connected with the swing pressure rod.
Preferably, the cutting mechanism comprises a vertical seat, a cutting cylinder and a cutting knife; the cutting knife comprises two opposite upper and lower cutting tools, the cutting knife and an optical axis on the vertical seat form a movable fit, the cutting cylinder is installed on the vertical seat, and the telescopic end of the cutting cylinder is connected with the cutting knife.
Preferably, the belt pulling mechanism comprises a second support, a movable sliding table assembly, a movable frame, a belt placing cylinder, a swing rod, a connecting shaft and a plurality of groups of belt pulling assemblies arranged on the connecting shaft, and each belt pulling assembly comprises a fixed clamping jaw, a movable clamping jaw and a belt clamping cylinder; the second support is fixedly arranged on the rack, the movable sliding table assembly is arranged on the second support, the movable frame is arranged at the movable end of the movable sliding table assembly, the connecting shaft is rotatably connected to the movable frame through a bearing, and the end part of the connecting shaft is fixedly provided with the oscillating bar; the fixed end of the belt releasing cylinder is hinged to the side of the movable frame, and the telescopic end of the belt releasing cylinder is hinged to the end part of the oscillating bar; the fixed clamping jaw is fixedly arranged on the connecting shaft, and the side edge of the fixed clamping jaw is provided with a flat clamping part; the movable clamping jaw is hinged to the fixed clamping jaw, the movable clamping jaw and the fixed clamping jaw are provided with opposite clamping parts, one end of the clamping belt cylinder is hinged to the fixed clamping jaw, and the other end of the clamping belt cylinder is hinged to the movable clamping jaw.
Preferably, the movable sliding table assembly comprises a base plate, a lead screw nut, a movable part, a sliding rail and an input motor, the movable part is movably matched on the base plate through the sliding rail, the lead screw is matched with the lead screw nut, the lead screw nut drives the movable part to move along the movable part, and the input motor is connected with the lead screw.
A solar cell welding machine comprises a rack, a cell feeding device, a cell carrying device, a waste removing device, a rotary table jig, a welding strip scaling powder coating device, a welding strip fixed-length feeding device, a welding device and a discharging device, wherein the cell feeding device, the cell carrying device, the waste removing device, the rotary table jig, the welding strip scaling powder coating device, the welding strip fixed-length feeding device, the welding device and the discharging device are; the battery feeding device and the waste material removing device are arranged side by side, the battery carrying device is positioned above the battery feeding device and the waste material removing device, and the battery carrying device is connected with the turntable jig; the welding strip fixed-length feeding device is positioned at the discharge end of the welding strip scaling powder coating device and is connected with the turntable jig; the welding device and the blanking device are positioned on the periphery of the turntable jig and correspond to different stations; the welding strip fixed-length feeding device of the solar cell welding machine adopts the technical scheme. The battery loading device is used for loading solar batteries, the battery carrying device is used for carrying and loading the batteries, and the turntable jig is used for positioning the solar batteries and realizing rotation between stations; the welding strip flux coating device feeds the welding strip and coats the flux in the feeding process; the welding strip fixed-length feeding device of the solar cell welding machine is used for cutting a welding strip and transferring the welding strip into a turntable jig; the welding device is used for welding the battery and the welding strip in the turntable jig together, and the blanking device is used for blanking the welded battery.
The invention has the beneficial effects that after the technical scheme is adopted: the welding strip fixed-length feeding device is provided with a plurality of groups of clamping belt assemblies and a plurality of groups of corresponding pull belt assemblies, so that a plurality of welding strips can be clamped at the same time, the synchronism is high, and the efficiency is high; the two ends of the welding strip are clamped when the welding strip is cut, so that the welding strip can be effectively prevented from being loosened when the welding strip is cut, and the cutting precision is improved; the cut welding strip is not directly placed into the jig, but the welding strip is inclined through the swing rod, one end of the welding strip is placed into the groove in the jig, and then the whole welding strip is placed down, so that the accuracy and the precision of placing the welding strip into the groove are improved, and the welding precision is improved; and the mode that this kind of both ends were put into in proper order can be fixed after putting into one end now, improves the stability that the solder strip was put into, avoids directly putting down the resilience impact of solder strip.
Drawings
Fig. 1 is an exploded view of an embodiment of the present invention.
Fig. 2 is an exploded view of the battery charging apparatus.
Fig. 3 is an exploded view of the battery handling apparatus.
Fig. 4 is an exploded view of the turntable jig.
Fig. 5 is an exploded view of the solder strip fixed length feeding device.
Fig. 6 is an exploded view of the welding apparatus.
Detailed Description
The solar cell welding machine shown in fig. 1 comprises a frame 1, a cell feeding device 2, a cell carrying device 3, a waste removing device 4, a rotary disc jig 5, a solder strip flux coating device 6, a solder strip fixed length feeding device 7, a welding device 8 and a discharging device 9, wherein the cell feeding device 2, the cell carrying device 3, the waste removing device 4, the rotary disc jig 5, the solder strip flux coating device 6, the solder strip fixed length feeding device 7 and the welding device 9 are arranged; the battery feeding device 2 and the waste material removing device 4 are arranged side by side, the battery carrying device 3 is positioned above the battery feeding device 2 and the waste material removing device 4, and the battery carrying device 3 is connected with the rotary table jig 5; the solder strip fixed-length feeding device 7 is positioned at the discharge end of the solder strip flux coating device 6, and the solder strip fixed-length feeding device 7 is connected with the turntable jig 5; the welding device 8 and the blanking device 9 are located on the periphery of the turntable jig 5 and correspond to different stations.
The solar cell conveying device comprises a battery feeding device 2, a battery conveying device 3, a turntable jig 5 and a rotary table, wherein the battery feeding device 2 is used for feeding solar cells, the battery conveying device 3 is used for conveying and feeding the batteries, and the turntable jig 5 is used for positioning the solar cells and realizing rotation among stations; the welding strip flux coating device 6 feeds the welding strip and coats the flux in the feeding process; the welding strip fixed-length feeding device 7 is used for cutting the welding strip and transferring the welding strip into the turntable jig 5; the welding device 8 is used for welding the battery in the turntable jig 5 and the welding strip together, and the blanking device 9 is used for blanking the welded battery. The welding strip fixed-length feeding device 7 is a welding strip fixed-length feeding device of a solar cell welding machine.
As shown in fig. 2, the battery feeding device 2 includes an underframe 21, a material frame 22, a material pushing cylinder 23, a material pushing plate 24, a positioning cylinder 25, a positioning plate 26, a lifting frame 27, a dc motor 28 and a screw rod assembly 29; the material frame 22 is fixedly arranged on the bottom frame 21, the bottom frame 21 is fixedly arranged on a rack, and the bottom frame 21 is provided with a guide shaft 211; the lifting frame 27 is movably matched with the bottom frame 21 through the guide shaft 211, the direct current motor 28 and the lead screw assembly 29 are installed on the bottom frame 21, the direct current motor 28 is connected with the input end of the lead screw assembly 29, and the output end of the lead screw assembly 29 is connected with the lifting frame 27; the upper end of the lifting frame 27 is provided with two strip-shaped rods, and the size of each strip-shaped rod is matched with the shape of the battery piece; the material frame 22 is a box body, the solar box 100 can be stacked exactly, two stacks of solar cells are stacked in the solar box 100, and a square hole for the lifting frame 27 to pass through is formed in the bottom of the solar box 100; the bottom edge of the material frame 22 is provided with a rectangular hole, the solar box 100 can fall from the rectangular hole, the side edge of the rectangular hole is also provided with two smaller rectangular holes, and the shape of the rectangular holes is matched with the size of the strip-shaped rod at the top end of the lifting frame 27; the material pushing plate 24 is movably connected in the material frame 22, the positioning cylinder 25 is installed on the side of the material frame 22, and the telescopic end of the positioning cylinder 25 is connected with the material pushing plate 24; the positioning cylinder 25 is fixedly arranged at the other side of the material frame 22 through a mounting seat, the positioning plate 26 is arranged at the telescopic end of the positioning cylinder 25, and the positioning plate 26 extends into the material frame 22 from the side; the material frame 22 is also provided with a sensor 221.
When the battery feeding device 2 works, the solar box 100 is vertically stacked in the material frame 22, the solar box 100 is pressed by the material pushing cylinder 23 and the positioning cylinder 25, feeding is carried out in the solar box 100 close to one side of the positioning plate 26, specifically, the direct current motor 28 drives the screw rod assembly 29 to move, so that the lifting frame 27 is driven to ascend, the solar battery in the solar box is jacked up, the solar battery is waited to be moved, after all the solar batteries in one solar box 100 are moved out, the positioning cylinder 25 drives the positioning plate 26 to retreat, and the empty solar box is leaked from the bottom of the material frame 22.
The battery feeding device 2 solves the problem that the solar battery is difficult to automatically feed, and the capacity of the solar battery is greatly improved by stacking the solar battery slices in the solar boxes and simultaneously stacking a plurality of solar boxes; the lifting frame 27 lifts the thickness of one solar cell at a time, so that the position of the solar cell at the top of the solar box is fixed, the position of the moving end does not need to be adjusted at each time, the moving is convenient, and the moving efficiency is improved; the edge of the bottom of the material frame 22 is provided with a rectangular hole, so that the blanking of the empty solar box is facilitated, and the automation is realized.
As shown in fig. 3, the battery handling apparatus 3 includes a column 31, a slide table 32, a first handling mechanism 33, and a second handling mechanism 34; the sliding table 32 is horizontally arranged on the upright column 31, two moving ends are arranged on the sliding table 32, and the first conveying mechanism 33 and the second conveying mechanism 34 are respectively arranged on the two moving ends; the first carrying mechanism 33 further comprises two vertically arranged air cylinders and a suction cup for moving the tail end; two groups of independently controlled suckers are arranged on the second carrying mechanism 34, and the distance between the two groups of suckers is adjusted through an air cylinder.
Waste material removing devices 4 including transition material receiving platform, waste material box and detection component, the transition material receiving bench set up the motor and can realize rotating, detection component just connects the solar cell on the material receiving bench to the transition, carries out the outward appearance and detects, the waste material box is located the side that the transition received the material platform for collect detect unqualified product.
The waste material removing device 4 detects the main grid line of the solar cell before welding, removes unqualified products, reduces subsequent unnecessary error processing, and saves working time and materials.
As shown in fig. 4, the turntable jig 5 includes a divider 51, a turntable 52, a rotation motor 53, a base 54, a preheating plate 55, a solder strip guiding seat 56, a rotary clamping cylinder 57 and a clamping block 58; the separator 51 is arranged on the frame, the turntable 52 is arranged at the output end of the separator 51, four stations are arranged on the turntable 52, the rotating motor 53 is arranged at the lower end of the turntable 52, the base 54 is arranged at the output end of the rotating motor 53, the preheating plate 55 is fixedly arranged on the base 54, an electric heating wire is arranged in the preheating plate 55, and the upper end surface of the preheating plate 55 is also provided with an air suction hole for fixing a solar cell; the welding strip guide seats 56 are arranged in multiple rows, are arranged on the base 54 and are positioned on two sides of the preheating plate 55, and the upper ends of the welding strip guide seats 56 are provided with grooves 561 which are just used for welding strips to pass through; the rotary clamping cylinders 57 are arranged on the base 54, each rotary clamping cylinder 57 corresponds to one welding strip guide seat 56, the clamping blocks 58 are arranged at the moving ends of the rotary clamping cylinders 57, the moving ends of the rotary clamping cylinders 57 descend spirally when moving, and the clamping blocks 58 are L-shaped and correspond to the grooves 561 of the welding strip guide seats 56.
When the turntable jig 5 works, firstly, the solar cell is arranged on the preheating plate 55, the preheating plate 55 sucks air to suck the solar cell, the welding strip is arranged in the welding strip guide seat 56, and then the clamping cylinder 57 is rotated to drive the clamping block 58 to rotate and descend so as to tightly press the welding strip on the solar cell.
The welding strip flux coating device 6 comprises a feeding winding wheel, a tensioning wheel, a flux coating component, a material passing guide wheel and a drying component; the welding strip material coil is arranged on the feeding coil wheel and is driven by the feeding motor to feed; the welding strip that sees off gets into behind the take-up pulley and scribbles the scaling powder subassembly, then gets into the stoving subassembly through the punishment in advance leading wheel and will weld the area and dry, welds the discharge gate that takes to scribble scaling powder device 6 and welds and take fixed length loading attachment 7 to link up mutually.
As shown in fig. 5, the welding strip fixed-length feeding device of the solar cell welding machine comprises a clamping and feeding mechanism 71, a cutting mechanism 72 and a strip pulling mechanism 73; the welding strip feeding device comprises a clamping and feeding mechanism 71, a cutting mechanism 72 and a strip pulling mechanism 73 which are sequentially connected and arranged along the feeding direction of a welding strip, wherein the clamping and feeding mechanism 71 corresponds to the strip pulling mechanism 73, the clamping ends are the same in height, the clamping and feeding mechanism 71 is used for clamping the fed welding strip and keeping the welding strip straight, and the strip pulling mechanism 73 is used for clamping one end of the welding strip and pulling the welding strip out; the cutting mechanism 72 is used for cutting off the welding strip.
The clamping and sending-out mechanism 71 comprises a first support 711 and a plurality of groups of clamping components arranged on the first support 711, each clamping component comprises a material passing rod 712, a swinging pressing rod 713 and a pressing cylinder 714, the material passing rod 712 is fixedly arranged on the first support 711, the upper end of the material passing rod 712 is provided with a sinking groove, a welding strip is arranged in the sinking groove, the end part of the material passing rod 712 is provided with a square through hole, and the swinging pressing rod 713 is hinged in the square through hole; the swing compression bar 713 is in a folded shape, a hinge pin is arranged at the turning part, and the upper end of the swing compression bar 713 is in a block shape and corresponds to the end part of the material passing rod 712; the fixed end of the compressing cylinder 714 is hinged with the material passing rod 712, and the telescopic end of the compressing cylinder 714 is connected with the swing pressure rod 713.
The cutting mechanism 72 comprises a vertical base 721, a cutting cylinder 722 and a cutting knife 723; the cutting knife 723 comprises two opposite cutters, the cutting knife 723 is movably matched with an optical axis on the vertical base 721, the cutting cylinder 722 is installed on the vertical base 721, and the telescopic end of the cutting cylinder 722 is connected with the cutting knife 723.
The belt pulling mechanism 73 comprises a second bracket 731, a movable sliding table assembly 732, a movable frame 733, a belt releasing cylinder 734, a swing rod 735, a connecting shaft 736 and a plurality of groups of belt pulling assemblies arranged on the connecting shaft 736, wherein the belt pulling assemblies comprise a fixed clamping jaw 737, a movable clamping jaw 738 and a belt clamping cylinder 739; the second support 731 is fixedly arranged on the frame, the movable sliding table assembly 732 is arranged on the second support 731, the movable frame 733 is arranged at the movable end of the movable sliding table assembly 732, the connecting shaft 736 is rotatably connected to the movable frame 733 through a bearing, and the end of the connecting shaft 736 is fixedly provided with the swing rod 735; the fixed end of the belt releasing cylinder 734 is hinged to the side of the movable frame 733, and the telescopic end of the belt releasing cylinder 734 is hinged to the end of the swing rod 735; the fixed clamping jaw 737 is fixedly arranged on the connecting shaft 736, and a flat clamping part is arranged on the side edge of the fixed clamping jaw 737; the movable clamping jaw 738 is hinged to the fixed clamping jaw 737, the movable clamping jaw 738 and the fixed clamping jaw 737 are provided with opposite clamping parts, one end of the clamping cylinder 739 is hinged to the fixed clamping jaw 737, and the other end of the clamping cylinder is hinged to the movable clamping jaw 738.
When the welding strip fixed-length feeding device of the solar cell welding machine works, the welding strip is sent out from the material passing rod 712, the swinging pressure rod 713 presses the discharge end of the welding strip, and when the pressing cylinder 714 contracts, the swinging pressure rod 713 is driven to swing to press the welding strip; after the welding strip is sent out, the movable sliding table assembly 732 drives the movable frame 733 to move, so that the pulling strip assembly corresponds to the outlet of the clamping and sending-out mechanism 71, then the clamping cylinder 739 extends to drive the movable clamping jaw 738 to be close to the fixed clamping jaw 737, the end part of the welding strip is clamped, then the clamping and sending-out mechanism 71 is loosened, and the movable sliding table assembly 732 pulls out the welding strip; then the clamping and feeding mechanism 71 compresses tightly again, and the cutting cylinder 722 drives the cutting knife 723 to approach each other, so that the cutting of the welding strip is realized; finally, the strip placing cylinder 734 drives the swing rod 735 to swing, and the welding strips are placed.
The welding strip fixed-length feeding device solves the problems that welding strips are directly placed and are easy to bounce, welding precision of the welding strips is not high, and length control is different; the two ends of the welding strip are clamped when the welding strip is cut, so that the welding strip can be effectively prevented from being loosened when the welding strip is cut, and the cutting precision is improved; the cut welding strip is not directly placed into the jig, but the welding strip is inclined through the swing rod 735, one end of the welding strip is placed into the groove in the jig, and then the whole welding strip is placed down, so that the accuracy and the precision of the welding strip placed into the groove are improved, and the welding precision is improved; and the mode that this kind of both ends were put into in proper order can be fixed after putting into one end now, improves the stability that the solder strip was put into, avoids directly putting down the resilience impact of solder strip.
As shown in fig. 6, the soldering device 8 includes a connecting seat 81, a down-pressure cylinder 82, a buffer seat 83, a heating seat 84 and a soldering iron tip 85; the air cylinder 82 is vertically installed on the connecting seat 81, the buffer seat 83 is arranged at the telescopic end of the air cylinder 82, the heating seat 84 is installed on the buffer seat 83, the soldering bit 85 is installed at the lower end of the heating seat 84, a plurality of protrusions are uniformly distributed on the lower end face of the soldering bit 85, and the protrusions are used for welding solder strips and solar cells.
Unloader 9 include gear motor, lift cylinder and sucking disc, the flexible end at the lift cylinder is installed to the sucking disc, the lift cylinder pass through the connecting piece and install in gear motor's pivot, gear motor drives the sucking disc and rotates ninety degrees around the axle, carries out the unloading in following carousel tool 5.
When the solar cell welding machine works, the solar cell welding machine is processed through the following steps in sequence:
feeding a battery: the solar boxes 100 are vertically stacked in the material frame 22, the solar boxes 100 are pressed by the material pushing cylinder 23 and the positioning cylinder 25, the solar boxes 100 close to one side of the positioning plate 26 are loaded, specifically, the direct current motor 28 drives the screw rod assembly 29 to move, so that the lifting frame 27 is driven to ascend, so that the solar cells in the solar boxes are jacked up, the cell carrying device 3 moves the cells into the turntable jig 5, and after all the solar cells in one solar box 100 are moved out, the positioning cylinder 25 drives the positioning plate 26 to retreat, so that the empty solar box leaks out of the bottom of the material frame 22;
(II) coating a soldering flux on the solder strip: the sent welding strip enters a soldering flux coating assembly after passing through a tension wheel, then enters a drying assembly through a material passing guide wheel to dry the welding strip, and the dried welding strip is sent to a welding strip fixed-length feeding device 7;
(III) welding strip feeding: the welding strip is sent out from the material passing rod 712, the swing pressure rod 713 presses the discharge end, and when the pressing cylinder 714 contracts, the swing pressure rod 713 is driven to swing to press the welding strip; after the welding strip is sent out, the movable sliding table assembly 732 drives the movable frame 733 to move, so that the pulling strip assembly corresponds to the outlet of the clamping and sending-out mechanism 71, then the clamping cylinder 739 extends to drive the movable clamping jaw 738 to be close to the fixed clamping jaw 737, the end part of the welding strip is clamped, then the clamping and sending-out mechanism 71 is loosened, and the movable sliding table assembly 732 pulls out the welding strip; then the clamping and feeding mechanism 71 compresses tightly again, and the cutting cylinder 722 drives the cutting knife 723 to approach each other, so that the cutting of the welding strip is realized; finally, the strip placing cylinder 734 drives the swing rod 735 to swing, and the welding strip is placed;
welding a welding strip: the air cylinder 82 is pressed down to drive the soldering iron head 85 to descend, and the solder strip is welded on the battery;
(V) blanking: the lifting cylinder drives the sucker to descend to suck the welded battery, and the speed reduction motor drives the sucked battery to integrally rotate ninety degrees and move out of the side.
Claims (5)
1. A welding strip fixed-length feeding device of a solar cell welding machine is characterized by comprising a clamping and feeding mechanism (71), a cutting mechanism (72) and a strip pulling mechanism (73); the welding strip cutting device comprises a clamping and feeding mechanism (71), a cutting mechanism (72) and a drawing belt mechanism (73), wherein the clamping and feeding mechanism (71) and the drawing belt mechanism (73) are sequentially arranged in a connected mode along the feeding direction of a welding strip, the clamping and feeding mechanism (71) corresponds to the drawing belt mechanism (73), the clamping and feeding ends are the same in height, the clamping and feeding mechanism (71) is used for clamping the fed welding strip and keeping the welding strip straight, and the drawing belt mechanism (73) is used for clamping one end of the welding strip and drawing the welding strip; the cutting mechanism (72) is used for cutting off the welding strip; the clamping and sending mechanism (71) comprises a first support (711) and a plurality of groups of clamping components arranged on the first support (711), each clamping component comprises a material passing rod (712), a swinging pressure rod (713) and a pressing cylinder (714), the material passing rods (712) are fixedly arranged on the first support (711), the upper ends of the material passing rods (712) are provided with sunken grooves, welding strips are arranged in the sunken grooves, the end parts of the material passing rods (712) are provided with through holes, and the swinging pressure rods (713) are hinged in the through holes; the swing pressure lever (713) is in a folded shape, a hinge pin is arranged at the turning part, and the upper end of the swing pressure lever (713) is in a block shape and corresponds to the end part of the material passing rod (712); the fixed end of the pressing cylinder (714) is hinged with the material passing rod (712), and the telescopic end of the pressing cylinder (714) is connected with the swinging pressure rod (713).
2. The solder strip fixed-length feeding device of the solar cell welding machine is characterized in that the cutting mechanism (72) comprises a vertical base (721), a cutting cylinder (722) and a cutting knife (723); the cutting knife (723) comprises two opposite cutting tools, the cutting knife (723) is movably matched with an optical axis on the vertical base (721), the cutting cylinder (722) is installed on the vertical base (721), and the telescopic end of the cutting cylinder (722) is connected with the cutting knife (723).
3. The solder strip fixed-length feeding device of the solar cell welding machine is characterized in that the tape pulling mechanism (73) comprises a second support (731), a movable sliding table assembly (732), a movable frame (733), a tape placing cylinder (734), a swing rod (735), a connecting shaft (736) and a plurality of groups of tape pulling assemblies arranged on the connecting shaft (736), wherein each tape pulling assembly comprises a fixed clamping jaw (737), a movable clamping jaw (738) and a tape clamping cylinder (739); the second support (731) is fixedly arranged on the rack, the movable sliding table assembly (732) is arranged on the second support (731), the movable frame (733) is arranged at the movable end of the movable sliding table assembly (732), the connecting shaft (736) is rotatably connected to the movable frame (733) through a bearing, and the end part of the connecting shaft (736) is fixedly provided with the swing rod (735); the fixed end of the belt releasing cylinder (734) is hinged to the side of the movable frame (733), and the telescopic end of the belt releasing cylinder (734) is hinged to the end of the swing rod (735); the fixed clamping jaw (737) is fixedly arranged on the connecting shaft (736), and a flat clamping part is arranged on the side edge of the fixed clamping jaw (737); the clamping device is characterized in that the movable clamping jaw (738) is hinged to the fixed clamping jaw (737), the movable clamping jaw (738) and the fixed clamping jaw (737) are provided with opposite clamping parts, one end of the clamping cylinder (739) is hinged to the fixed clamping jaw (737), and the other end of the clamping cylinder is hinged to the movable clamping jaw (738).
4. The solder strip fixed-length feeding device of the solar cell welding machine is characterized in that the movable sliding table assembly (732) comprises a base plate, a lead screw nut, a movable part, a sliding rail and an input motor, wherein the movable part is movably matched on the base plate through the sliding rail, the lead screw is matched with the lead screw nut, the lead screw nut drives the movable part to move along the movable part, and the input motor is connected with the lead screw.
5. A solar cell welding machine is characterized by comprising a rack (1), a cell feeding device (2), a cell carrying device (3), a waste removing device (4), a rotary table jig (5), a welding strip scaling powder coating device (6), a welding strip fixed-length feeding device (7), a welding device (8) and a discharging device (9), wherein the cell feeding device (2), the cell carrying device, the welding strip scaling powder coating device (6), the welding strip fixed-length feeding device and the discharging device are arranged on the rack (1); the solar cell conveying device comprises a battery feeding device (2), a battery conveying device (3), a turntable jig (5) and a conveying device, wherein the battery feeding device (2) is used for feeding solar cells, the battery conveying device (3) is used for conveying and feeding the batteries, and the turntable jig (5) is used for positioning the solar cells and realizing rotation between stations; the welding strip flux coating device (6) feeds the welding strip and coats the flux in the feeding process; the welding strip fixed-length feeding device is used for cutting the welding strip and transferring the welding strip into a turntable jig (5); the welding device (8) is used for welding the battery and the welding strip in the turntable jig (5), and the blanking device (9) is used for realizing blanking of the welded battery.
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| CN202010030540.XA CN111170061B (en) | 2020-01-13 | 2020-01-13 | Welding strip fixed-length feeding device of solar cell welding machine |
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| CN111168188A (en) * | 2020-01-13 | 2020-05-19 | 张俊 | Battery loading attachment of solar cell welding machine |
| CN114799652A (en) * | 2022-06-24 | 2022-07-29 | 四川泽丰锂能新能源科技有限公司 | Lithium cell series-parallel connection welding process apparatus for producing |
| CN117226377A (en) * | 2023-11-14 | 2023-12-15 | 霍夫勒(苏州)汽车制造有限公司 | Automobile chassis welding equipment |
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| CN111170061B (en) | 2021-06-11 |
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