CN102528203B - Semi-automatic single welding machine for solar cell slices - Google Patents

Semi-automatic single welding machine for solar cell slices Download PDF

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Publication number
CN102528203B
CN102528203B CN201210058834.9A CN201210058834A CN102528203B CN 102528203 B CN102528203 B CN 102528203B CN 201210058834 A CN201210058834 A CN 201210058834A CN 102528203 B CN102528203 B CN 102528203B
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CN
China
Prior art keywords
welding
solar battery
battery sheet
support
hold
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CN201210058834.9A
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Chinese (zh)
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CN102528203A (en
Inventor
柳桂国
樊红朝
何卫星
葛鲁波
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宁波华索光伏设备有限公司
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Priority to CN201210058834.9A priority Critical patent/CN102528203B/en
Publication of CN102528203A publication Critical patent/CN102528203A/en
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Publication of CN102528203B publication Critical patent/CN102528203B/en

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Abstract

The invention relates to a semi-automatic single welding machine for solar cell slices, which comprises a rack, and is characterized in that: a welding strip fixing device, a welding strip alignment device, a feeding device, a flux coating device, a flux drying device, a welding strip cut-off device, and a welding strip traction device are sequentially arranged on the rack along the length direction, the welding strip cut-off device comprises a tool holder, a first compression device, a cutter and a welding head, and a chopping block is also arranged at the bottom of the tool holder; and the welding strip traction device comprises a second compression device capable of fixing welding strips, and a driving device capable of controlling the second compression device to move back and forth between a cut position and a welding position of each welding strip. According to the semi-automatic single welding machine for the solar cell slices, the fully manual operation is replaced to realize the semi-automatic single welding process for the solar cell slices, the overall structure is compact, the input cost is low, the working efficiency is improved, the labor is saved, the welding quality is ensured through the mechanized operation, and the needs of small and medium-sized photovoltaic enterprises for product upgrading can be better met. The semi-automatic single welding machine for the solar cell slices has broader market application prospects.

Description

The Semiautomatic single operator set of solar battery sheet
Technical field
The present invention relates to a kind of welder equipment, particularly a kind of Semiautomatic single operator set for solar battery sheet.
Background technology
In prior art, one of best mode that utilizes solar energy is photovoltaic conversion (photovoltaic effect), make exactly sunshine be mapped to the generation current direct generation of electricity on silicon materials, this generation mode typically uses photovoltaic module and realizes, photovoltaic module is the TRT that a kind of exposure in the sun just can generation current, by the solid photovoltaic cell of almost all for example, making with semiconductor material (silicon), formed, can use for a long time and can not cause any loss.
The encapsulation technology of component palette is one of key technology of photovoltaic module, in the encapsulation flow process of component palette, front negative pole welding is commonly called as single weldering, it is a kind of welding on cell piece main grid line, during its welding, first welding applied to scaling powder and dry, again cell piece is placed into and on preheating table, is preheating to 40-50 degree Celsius, then welding is placed into the correct position (normally welding is apart from cell piece high order end 2-3mm) of cell piece main grid line, welding center line is overlapped with main grid line center line, then with electric iron, along main grid line direction, slide and weld whole piece welding, whole welding process needs very accurate operation and control, otherwise be easy to produce product quality problem.
At present, the list weldering of solar battery sheet mainly completes by manual welding, by manual operation, guarantee the positioning precision of welding, and control fragment rate lower than 0.3%, although can guarantee output,, manual operation process cannot be increased work efficiency, and total man's work welding manner is very high for operator's requirement, be not easy to control the quality of product.In addition, developed Full-automatic welding equipment abroad, the Full-automatic welding machine of producing as German IMA company, the SL series bonding machine that Spain GOROSABEL company produces, the NTS-150-STD Full-automatic welding machine that the TT1200 high speed series welding machine that Germany Di Mu company produces and Japanese NPC company produce etc., although these Full-automatic welding machines can be realized automation mechanized operation, but an equipment is good millions of easily, input cost and maintenance cost are all very high, and with respect to the cost of such high investment, output is not seemed to some extent and is increased substantially, therefore for China medium-sized and small enterprises, such Full-automatic welding equipment is also inapplicable.
Summary of the invention
Technical problem to be solved by this invention is for above-mentioned prior art present situation, to provide a kind of can replace the manual Semiautomatic single operator set of realizing welding and the solar battery sheet that productivity ratio is high, input cost is low.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of Semiautomatic single operator set of solar battery sheet, include support, described solar battery sheet is positioned on the welding post of this support, it is characterized in that: described support is disposed with along its length
Welding fixture, for arranging tubular welding;
Welding strip alignment device, carries out stretching processing by described tubular welding;
Pay-off, drives described welding to be automatically fed forward;
Solder coater on electric, is applied to scaling powder on described welding;
Scaling powder drying unit, is dried processing to being coated with the described welding of scaling powder;
Cutting device of welding strips, include knife rest, for the first hold down gag of fixing described welding with can vertically move and be used for cutting off the cutting knife of described welding, the bottom of described knife rest is also provided with and can offsets with this cutting knife and realize the chopping block that described welding cuts off;
Soldering tip, is welded to cut described welding on described solar battery sheet;
Solder strip traction device, determine the length that is cut off of described welding, include the second hold down gag of fixing welding and can control this second hold down gag at the drive unit moving around between position and welding post that is cut off of described welding, the described welding after cutting off is positioned to the solar battery sheet that is positioned on described welding post along the welding position of main grid line.
In order to guarantee that scaling powder can be coated to the upper and lower surface of welding equably, as preferably, described solder coater on electric includes container, felt and liquid feeding device, wherein, described container is positioned at the top of described felt, in this container, be contained with scaling powder, described welding is arranged in described felt, and described liquid feeding device has the input and the output that is connected described felt that connects described container.Owing to holding the container of scaling powder, be higher than felt setting, make scaling powder can automatic transport to felt, by felt, be penetrated on welding, guarantee that welding is coated with to be equably covered with scaling powder.
For after the once cut-out of welding, tractive before convenient cut-out next time, as preferably, described chopping block is one by power source, to be driven and the slide unit that can move around along the length direction of described support, at described cutting knife under cut state, described chopping block moves forward to the below of described cutting knife, and described the first hold down gag compresses described welding; At described cutting knife, under lifting status, described the first hold down gag unclamps described welding, and described chopping block moves to the inner side of described cutting knife backward.So, by power source, can drive chopping block along the movement back and forth of support length direction, when chopping block is return initial position, the head of welding has certain surplus, facilitates the tractive next time of solder strip traction device.
For convenient, control and operation, as preferably, the first described hold down gag includes the first electromagnet that corresponding each welding arranges and by first depression bar that can vertically move of the first solenoid actuated described in each, the bottom of described the first depression bar is provided with the first pressure head, and the bottom of described the first pressure head is also provided with first press strip that can be tight against with this first pressure head.So the first electromagnet can be realized the elevating control to the first pressure head, guaranteed reliability and the accuracy of action executing.
In order to guarantee the Integral movable of the second hold down gag, as preferably, the second described hold down gag includes support, on described support, be provided with a plurality of second electromagnet of corresponding each welding setting and have second depression bar that can vertically move under corresponding the second solenoid actuated, the bottom of described the second depression bar is provided with the second pressure head, and the bottom of described support is also formed with second press strip that can be tight against with described the second pressure head.So the second electromagnet, the second depression bar and the second pressure head can be along with moving around under the driving at drive unit together with support.
For simplified apparatus, and improve the control accuracy of drive unit, as preferably, described drive unit includes and is arranged at the motor of described support bottom and by this motor-driven straight line slide unit, described support also offers a chute along its length, between the output of described straight line slide unit and described support, by an actuating arm, is connected.Simply, described drive unit also can be realized by other transmission mechanisms such as screw pairs.
In order to guarantee to be cut off the exact position relation between welding and solar battery sheet main grid line, improve welding quality, as preferably, described welding is also provided with bootable guide locating device provided that welding moves along the main grid line direction of described solar battery sheet all the time that be cut off being cut off between position and welding post, described guide locating device provided a plurality of guide pads that include, a main grid line described in each on the corresponding solar battery sheet of guide pad, and, described in each, the top of guide pad offers the guide groove that can align with the corresponding main grid line of solar battery sheet, the bottom of described guide groove offers the pore that can produce negative pressure, on described pore, be provided with the sucker that can hold described welding.So, guide groove on guide pad can play effective guide effect by butt welding band, prevent that welding from departing from the main grid line position of cell piece in traction process, and, when guide pad connects after vacuum generator, pore in guide groove produces negative pressure, by sucker, welding can be adsorbed on the guide groove of guide pad, play the fixedly effect of welding, the displacement of welding while preventing from welding, guarantee welding precision, improve the quality of products.
Consider the solar battery sheet of different size, spacing distance between its main grid line is different, in order to facilitate the adjusting of guide pad relative position, as preferably, described guide pad is mounted slidably on the guide post arranging in the width along described support, the two ends of described guide post are connected with respectively bearing, and described bearing is fixedly connected on described support.So guide pad can move along the axis direction of guide post, so that guide pad is adjusted to and the corresponding position of cell piece main grid line.
Consider the impact of difference variation on solar battery sheet before and after welding, in order to reduce the temperature deformation of cell piece, guarantee the optimum performance of cell piece, as preferably, described support is also provided with cell piece preheating device at the welding post place of contiguous described solar battery sheet.
As further preferred, simply, described cell piece preheating device is a preheating table, is provided with the attemperating unit of controlling cell piece temperature on described preheating table.So, wait cell piece to be processed to be placed in advance on preheating table and to carry out preheating by the mode of stack, the temperature of preheating can be controlled and be regulated by attemperating unit.
Compared with prior art, the invention has the advantages that: first, replace full manual operations and realized semi-automatic single Welding of solar battery sheet, the compact overall structure of equipment, input cost is low, has not only improved operating efficiency, saved labour, and welding quality guarantees to some extent by mechanized operation, can meet better the product up-gradation demand of middle-size and small-size photovoltaic enterprise, there is market application foreground more widely; Secondly, solder coater on electric adopts dribble dropping structure, has not only realized the automatic filling of scaling powder, and can guarantee on welding that scaling powder can smear more evenly, guarantees welding quality; In addition, adopted guide locating device providedly, can butt welding band have played and effectively guide positioning action, prevented that welding from departing from the main grid line direction of solar battery sheet, guaranteed the precision of welding, thereby improved product quality.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the embodiment of the present invention.
Fig. 2 is integrally-built top view shown in Fig. 1.
Fig. 3 is the solder coater on electric structural representation of the embodiment of the present invention.
Fig. 4 is one of cutting device of welding strips structural representation of the embodiment of the present invention.
Fig. 5 be the embodiment of the present invention cutting device of welding strips structural representation two.
Fig. 6 is that the A-A shown in Fig. 4 is to one of cutaway view (cutting knife is operating state not).
Fig. 7 is that the A-A shown in Fig. 4 is to two (cutting knife cuts off welding state) of cutaway view.
Fig. 8 is the solder strip traction device structural representation of the embodiment of the present invention.
Fig. 9 is the structural representation of the second hold down gag of the embodiment of the present invention.
Figure 10 is one of the first hold down gag of the embodiment of the present invention and pressure head structure schematic diagram of the second hold down gag.
Figure 11 is two of the first hold down gag of the embodiment of the present invention and the pressure head structure schematic diagram of the second hold down gag.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the present invention.
As shown in Fig. 1~Figure 11, for a kind of Semiautomatic single operator set for solar battery sheet, the single operator set of the present embodiment is by motorisation unit and electrified automatic transport and the automatic welding of having realized welding of controlling, picking and placeing of solar battery sheet adopts manual operation, by manual operation and mechanized operation, combine, realized semi-automatic single weldering of solar battery sheet.
The single operator set of the present embodiment includes support A, on support A, is provided with welding post, during work, by manual operations, solar battery sheet C is placed on welding post, after welding, also by manual operation, cell piece C is taken out from welding post, while considering welding, temperature raises, in order to prevent the temperature deformation of solar battery sheet C, reduce the temperature difference of the solar battery sheet C under normal temperature and while welding, support A is respectively arranged with cell piece C preheating device at the welding post of solar battery sheet C and a side of contiguous welding post, this preheating device is a preheating table B who is fixed on support A, referring to Fig. 2, processed with unprocessed solar battery sheet C and can be placed on respectively the upper insulation of different preheating table B or heating, and, on preheating table B, be also provided with the attemperating unit of controlling cell piece C heating-up temperature.
The support A of the present embodiment single operator set along its length (being welding D throughput direction) is disposed with welding fixture 1, welding strip alignment device 2, pay-off 3, solder coater on electric 4, scaling powder drying unit 5, cutting device of welding strips 6 and solder strip traction device 7, at this, welding fixture 1, welding strip alignment device 2, pay-off 3, scaling powder drying unit 5 are routine techniques, can adopt various relevant device of the prior art to realize, also can adopt the structure shown in the present embodiment figure to realize.
Wherein, welding fixture 1 is for installing the welding that is wound into tubular, as shown in Figure 1, the welding fixture 1 of the present embodiment is preferably a frame structure, in this frame structure, be provided with a plurality of cross bars, the welding that is wound into tubular is arranged on (not shown) on the cross bar of proper height, the mounting cylinder number of required welding and spacing determine according to the main grid line quantity on soldered solar battery sheet C and spacing distance, the width of welding D is consistent with the main grid line d1 width of cell piece C, conventionally, solar battery sheet C mostly is two grid structures (main grid line d1 has two) or three grid structures (main grid line d1 has three), the solar battery sheet C of the present embodiment adopts the cell piece C with two main grid line d1.
In order to guarantee that welding D's is straight, guarantee scaling powder coating quality and the welding quality of welding D, the welding D pulling out from welding fixture 1 need to carry out stretching processing through welding strip alignment device 2, the structure of welding strip alignment device can realize by existing various device, the present embodiment adopts the framework being obliquely installed simply, in the middle of framework, be provided with the many crosspieces that are arranged in parallel, the S-shaped winding successively of welding is on each crosspiece of framework.
The pay-off 3 of the present embodiment can drive welding to be automatically fed forward, this pay-off 3 includes upper roll wheel 31 and lower roll wheel 32, welding D is arranged in the gap between upper roll wheel 31 and lower roll wheel 32, wherein, upper roll wheel 31 can be lifted above or press down, thereby adjust the thrust between upper roll wheel 31 and lower roll wheel 32, after upper roll wheel 31 and lower roll wheel 32 are bonded to each other, by rolling friction, produce one to welding D pulling force forward, and then the automatic transport of realization to welding D, if stop automatic transport, upper roll wheel 31 is lifted and leaves lower roll wheel 32.
The auxiliary material using when scaling powder is welding, its Main Function is the oxide of removing scolder and welded mother metal surface, makes metal surface reach necessary cleannes, the oxidation again of solder surface while preventing from welding, the surface tension of reduction scolder; In order to improve welding performance, welding D generally needed to smear scaling powder before being formally welded to solar battery sheet C, and the present embodiment is applied to scaling powder on welding D by solder coater on electric 4;
The solder coater on electric 4 of the present embodiment includes container 41, felt and liquid feeding device, and wherein, container 41 hangs fixing by the first support bar 411, in this container 41, be contained with scaling powder; Felt is comprised of the upper felt 42 and the lower felt 43 that are mutually posted by together, welding D is located between felt 42 and lower felt 43, together with better upper felt 42 being fixed on lower felt 43, the bottom of lower felt 43 is provided with base plate 44, the top of upper felt 42 be provided with one with the fixing pressing plate 45 of base plate 44, between pressing plate 45 and base plate 44, by screw, be connected; Liquid feeding device is the adjusting device 46 of a sealing, this adjusting device 46 is fixing by the second support bar 464, the two ends of adjusting device 46 are connected with respectively the input pipe 461 of connection container 41 and are delivered to the efferent duct 462 of felt 42, the top of pressing plate 45 also offers the guide channel 451 of the efferent duct 462 that can hold liquid feeding device, the end of efferent duct 462 can be accommodating and be limited in this guide channel 451, and, one side of adjusting device 46 is also provided with the by-pass cock 463 that can control efferent duct 462 flow velocitys, so that regulate the flow that is transported to the scaling powder on felt;
The solder coater on electric 4 of the present embodiment adopts drip structure, container 41, between liquid feeding device and felt, form from high to low certain difference in height, wherein, the height of the first support bar 411 is greater than the height of the second support bar 464, be that container 41 is in highest order, felt is in lowest order, liquid feeding device is the position between container 41 and felt, so, scaling powder in container 41 can automatically add on felt, scaling powder is applied on welding D by the infiltration of felt again, welding D is owing to passing between upper felt 42 and lower felt 43, the upper surface of welding D and lower surface can both be coated with and spread scaling powder, guaranteed the uniformity of smearing of scaling powder, guaranteed welding quality, in addition, by the by-pass cock 463 of liquid feeding device, can also control the flow of scaling powder, simple to operate, easy to use.
Welding D after solder coater on electric 4 also needs to be dried processing through scaling powder drying unit 5, in order to improve flux activity, the temperature of scaling powder drying unit 5 can not be too high, to guarantee the reliability of solar battery sheet C under long-term work condition, conventionally, desirable bake out temperature is 100 ℃, and during practical operation, bake out temperature general control is 60 ℃ of left and right.
The cutting device of welding strips 6 of the present embodiment is for cutting off welding D and the welding D of cut-out being welded to solar battery sheet C, cutting device of welding strips 6 includes the knife rest 61 that can pass from bottom for welding D, the first hold down gag for fixing welding D, cutting knife 62 and soldering tip 9 that can be vertically mobile, wherein, soldering tip 9 can adopt various device of the prior art to realize, and this soldering tip 9 is arranged on knife rest 61 and can moves along the vertical direction of this knife rest 61;
The first hold down gag is arranged at a knife rest 61 and side of establishing relative with scaling powder drying unit 5, the first hold down gag includes the first electromagnet 63 (being generally 2~3) that corresponding each welding D arranges, on each first electromagnet 63, be provided with first depression bar 64 that can vertically move (electromagnet of outsourcing itself is just with depression bar conventionally) being driven by this first electromagnet 63, the bottom of the first depression bar 64 is provided with the first pressure head 65, knife rest 61 is also provided with first press strip 611 that can be tight against with this first pressure head 65 in the bottom of the first pressure head 65, for increasing friction force, improve the compression effect of the first pressure head 65, the bottom of the first pressure head 65 adopts Z-Correct bump mapping Z-correct structure, the cross section of the first pressure head 65 can adopt various shapes, as square, circular, rectangle or triangle etc., correspondingly, male and fomale(M&F) is also made on the surface of the first press strip 611, after the first pressure head 65 and the first press strip 611 offset, can there is better friction contact load between the two, guarantee the compression effect of welding D,
For after each cut-out, facilitate the tractive next time of solder strip traction device 7, the bottom of knife rest 61 is also provided with the chopping block 66 that can offset with this cutting knife 62, this chopping block 66 is a slide unit that can move around along the length direction of support A, in the bottom of knife rest 61, be provided with a slide unit cylinder 67, chopping block 66 is fixedly installed on the cylinder body of slide unit cylinder 67 and can moves around with this cylinder body; At cutting knife 62 under cut state, chopping block 66 under the driving of slide unit cylinder 67, move forward to cutting knife 62 below, the first hold down gag compresses welding D, cutting knife 62 falls and offsets with chopping block 66, thereby cuts off welding D; At cutting knife 62 under lifting status, the first hold down gag unclamps welding D, chopping block 66 moves to backward the inner side of cutting knife 62 under the driving of slide unit cylinder 67, now, chopping block 66 shifts to install with cutting knife 62, after chopping block 66 is return, the welding D that is positioned at chopping block 66 front portions exposes, and can facilitate the tractive next time of solder strip traction device 7.
The solder strip traction device 7 of the present embodiment is mainly realized welding D from the cutting position tractive of cutting device of welding strips 6 to welding position, not only can determine the length that is cut off of welding D, and cut welding D can be navigated to the solar battery sheet C that is positioned on welding post along the welding position of main grid line d1;
Particularly, solder strip traction device 7 includes the second hold down gag of fixing welding D and can control the drive unit that this second hold down gag moves around between position and welding post being cut off of welding D that (in can adopting prior art, various device is realized, not shown in the figures), wherein, the second hold down gag includes L-shaped support 71, on the L shaped vertical plate 711 of support 71, be provided with a plurality of the second electromagnet 72 (being generally 2~3) that corresponding each welding D arranges, on each second electromagnet 72, be provided with second depression bar 73 that can vertically move (electromagnet of outsourcing itself is just with depression bar conventionally) being driven by this second electromagnet 72, the bottom of the second depression bar 73 is provided with the second pressure head 74, the L shaped bottom horizontal of support 71 forms second press strip 712 that can be tight against with the second pressure head 74, this second hold down gag and the first hold down gag are similar, the cross section of the second pressure head 74 can adopt various shapes (as square, circular, oval etc.), for increasing friction force, the bottom of the second pressure head 74 is also Z-Correct bump mapping Z-correct structure, correspondingly, the surface of the second press strip 712 is male and fomale(M&F),
In order to improve precision, drive unit includes motor and by this motor-driven straight line slide unit, support A also offers a chute a1 along its length, in chute a1, be provided with the actuating arm 75 that can drive support 71 slippages, wherein, one end of this actuating arm 75 is connected with the output of straight line slide unit, and the other end of this actuating arm 75 and support 71 are fixedly linked.Drive unit can also adopt straight line slide rest device, can further improve control accuracy, and simplified apparatus is installed.
In order further to improve the precision of welding, prevent that welding D from departing from the main grid line direction of solar battery sheet C in traction process, the present embodiment is also provided with guide locating device provided 8 between position and welding post being cut off of welding D, these guide locating device provided 8 bootable cut welding D move along the main grid line direction of corresponding solar battery sheet C all the time, wherein, guide locating device provided 8 have and include along the guide post 81 of the width setting of support A and be slidably disposed on a plurality of guide pads 82 (being generally 2~3) on this guide post 81, the two ends of guide post 81 are supported in respectively on bearing 83, bearing 83 is fixedly connected on support A, a main grid line on the corresponding solar battery sheet C of each guide pad 82, and, each guide pad 82 all has the air entry 821 that can be connected with outside vacuum generator, the top of each guide pad 82 offers the guide groove 822 of the corresponding main grid line alignment of energy solar battery sheet C, the bottom of guide groove 822 offers pore 823, on pore 823, be provided with sucker, the welding D that hauls cut-out when solder strip traction device 7 travels forward in process, welding D can move along corresponding guide groove 822, play guide effect, prevent that welding D from departing from main grid line position, improve the precision of welding, and when guide pad 82 outside exhaust, the pore 823 on guide groove 822 produces negative pressure, by sucker, welding D can be held, thereby play the fixedly effect of welding D, guarantee reliability and the accuracy of welding D welding location.
The single operator set course of work of the present embodiment is:
(1), start pay-off 3, be arranged on tubular welding in welding fixture 1 through the stretching processing of winding of welding strip alignment device 2, under being driven by pay-off 3, be automatically fed forward;
(2), welding D enters solder coater on electric 4 and carries out scaling powder and smear, then is dried through scaling powder drying unit 5;
(3), welding D passes from the bottom of cutting device of welding strips 6, simultaneously, solder strip traction device 7 is fixed the front end of welding D by the second hold down gag, and from the cutting position length that tractive welding D welds to needs forward, now, by the manual welding post that is placed into of the solar battery sheet C through preheating;
(4), start the first hold down gag and compress welding D, simultaneously, pay-off 3 stops welding D and carries, chopping block 66 is below the driving of slide unit cylinder 67 is moved to cutting knife 62, cutting knife 62 moves down and offsets with chopping block 66 and cut off welding D, and then, the first hold down gag unclamps welding D, then, chopping block 66 returns to the inner side of cutting knife 62;
(5) the welding D that, solder strip traction device 7 continuation tractions are cut off travels forward, and control welding D front end with respect to the welding position of the main grid line of solar battery sheet C, the welding D cutting off moves along the guide groove 822 of corresponding guide pad 82 in guide locating device provided 8, prevents that welding D from departing from main grid line position; ;
(6), after solder strip traction device 7 running fixes, guide pad 82 exhausts, pore on guide pad 82 823 produces negative pressure and the welding D of cut-out is held fixing, and the second hold down gag of solder strip traction device 7 unclamps, subsequently, solder strip traction device 7 returns to cutting position;
(7) soldering tip 9 heating, on cutting device of welding strips 6, fall, and it is upper that the welding D of cut-out is welded to solar battery sheet C, after having welded, soldering tip 9 is return, and guide pad 82 quits work and the welding D of cut-out is unclamped, and completes weld cycle one time.
For preventing temperature deformation, the solar battery sheet C after being soldered is first manual moves to radiating area, and waiting temperature carries out the processing of next process after being reduced to OK range again.When needs carry out the welding of next solar battery sheet C, now, restart pay-off 3, repeat above-mentioned step (3)~(7), can carry out weld cycle next time.

Claims (9)

1. the Semiautomatic single operator set of a solar battery sheet, include support (A), described solar battery sheet (C) is positioned on the welding post of this support (A), it is characterized in that: described support (A) is disposed with along its length
Welding fixture (1), is wound into the welding (D) of tubular for arranging;
Welding strip alignment device (2), carries out stretching processing by described welding (D);
Pay-off (3), drives described welding (D) to be automatically fed forward;
Solder coater on electric (4), is applied to scaling powder on described welding (D);
Scaling powder drying unit (5), is dried processing to being coated with the described welding (D) of scaling powder;
Cutting device of welding strips (6), include knife rest (61), for the first hold down gag of fixing described welding (D) with can vertically move and the cutting knife (62) that is used for cutting off described welding (D), the bottom of described knife rest (61) is also provided with and can offsets with this cutting knife (62) and realize the chopping block (66) that described welding (D) cuts off;
Soldering tip (9), is welded to cut described welding (D) on described solar battery sheet (C);
Solder strip traction device (7), determine the length that is cut off of described welding (D), include the second hold down gag of fixing welding (D) and can control this second hold down gag at the drive unit moving around between position and welding post that is cut off of described welding (D), the described welding (D) after cutting off is positioned to the solar battery sheet (C) that is positioned on described welding post along the welding position of main grid line;
Described drive unit includes and is arranged at the motor of described knife rest (61) bottom and by this motor-driven straight line slide unit, described knife rest (61) also offers a chute (a1) along its length, between the support (71) of the output of described straight line slide unit and the second hold down gag, by an actuating arm, is connected.
2. the Semiautomatic single operator set of solar battery sheet according to claim 1, it is characterized in that: described solder coater on electric (4) includes container (41), felt and liquid feeding device, wherein, described container (41) is positioned at the top of described felt, this container is contained with scaling powder in (41), described welding (D) is arranged in described felt, and described liquid feeding device has the input and the output that is connected described felt that connects described container (41).
3. the Semiautomatic single operator set of solar battery sheet according to claim 1, it is characterized in that: described chopping block (66) is one by power source, to be driven and the slide unit that can move around along the length direction of described support (A), at described cutting knife (62) under cut state, described chopping block (66) moves forward to the below of described cutting knife (62), and described the first hold down gag compresses described welding (D); At described cutting knife (62), under lifting status, described the first hold down gag unclamps described welding (D), and described chopping block (66) moves to the inner side of described cutting knife (62) backward.
4. the Semiautomatic single operator set of solar battery sheet according to claim 1, it is characterized in that: the first described hold down gag includes first electromagnet (63) of corresponding each welding (D) setting and first depression bar (64) that can vertically move being driven by the first electromagnet (63) described in each, the bottom of described the first depression bar (64) is provided with the first pressure head (65), and the bottom of described the first pressure head (65) is also provided with first press strip (611) that can be tight against with this first pressure head (65).
5. the Semiautomatic single operator set of solar battery sheet according to claim 1, it is characterized in that: on the support (71) of the second described hold down gag, be provided with a plurality of second electromagnet (72) of corresponding each welding (D) setting and have corresponding the second electromagnet (72) to drive lower second depression bar (73) that can vertically move, the bottom of described the second depression bar (73) is provided with the second pressure head (74), and the bottom of described support (71) is also formed with second press strip (712) that can be tight against with described the second pressure head (74).
6. according to the Semiautomatic single operator set of the solar battery sheet described in arbitrary claim in claim 1~5, it is characterized in that: described welding (D) is also provided with bootable guide locating device provided (8) that welding (D) moves along the main grid line direction of described solar battery sheet (C) all the time that are cut off being cut off between position and welding post, described guide locating device provided (8) include a plurality of guide pads (82), a main grid line on the corresponding solar battery sheet of guide pad described in each (82) (C), and, the top of guide pad described in each (82) offers the guide groove (822) that can align with the corresponding main grid line of solar battery sheet (C), the bottom of described guide groove (822) offers the pore (823) that can produce negative pressure, described pore is provided with the sucker that can hold described welding (D) on (823).
7. the Semiautomatic single operator set of solar battery sheet according to claim 6, it is characterized in that: described guide pad (82) is mounted slidably on the guide post (81) arranging in the width along described support (A), the two ends of described guide post (81) are connected with respectively bearing (83), and described bearing (83) is fixedly connected on described support (A).
8. according to the Semiautomatic single operator set of the solar battery sheet described in arbitrary claim in claim 1~5, it is characterized in that: described support (A) is also provided with cell piece preheating device at the welding post place of contiguous described solar battery sheet (C).
9. the Semiautomatic single operator set of solar battery sheet according to claim 8, is characterized in that: described cell piece preheating device is a preheating table (B), is provided with the attemperating unit of controlling this preheating table temperature on described preheating table (B).
CN201210058834.9A 2012-03-08 2012-03-08 Semi-automatic single welding machine for solar cell slices CN102528203B (en)

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