CN110449804B - Easy-to-detach and easy-to-mount back welding strip positioning module, dismounting method and positioning method - Google Patents
Easy-to-detach and easy-to-mount back welding strip positioning module, dismounting method and positioning method Download PDFInfo
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- CN110449804B CN110449804B CN201910705323.3A CN201910705323A CN110449804B CN 110449804 B CN110449804 B CN 110449804B CN 201910705323 A CN201910705323 A CN 201910705323A CN 110449804 B CN110449804 B CN 110449804B
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- lower die
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- welding strip
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- 238000003466 welding Methods 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 title claims description 21
- 238000003825 pressing Methods 0.000 claims abstract description 40
- 238000007667 floating Methods 0.000 claims abstract description 14
- 229910000679 solder Inorganic materials 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Battery Mounting, Suspending (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention relates to the technical field of solar cell interconnection welding, and provides an easily-detached and easily-assembled back welding strip positioning module which comprises an upper die holder, a lower die holder, a thimble and a pressing plate, wherein the thimble is of a floating structure, and the width of the lower die holder is smaller than that of the upper die holder; at least one group of through holes for the thimble to pass through are symmetrically arranged in the width direction of the upper die holder, the upper die holder is rotationally connected with the lower die holder, and a first semicircular channel corresponding to the through holes is arranged at the end head of the lower die holder in the width direction; the pressing plate is provided with a second semicircular channel, and the second semicircular channel and the first semicircular channel are combined to form a circular channel and are used for accommodating the floating ejector pin; the thimble with the floating structure can effectively enable the welding strip on the back of the battery piece to be in close contact with the battery piece, so that stable and reliable connection between the back of the battery piece and the welding strip is ensured.
Description
Technical Field
The invention relates to the technical field of positioning of battery pieces and welding strips in the solar battery piece interconnection welding technology, in particular to a back welding strip positioning module easy to detach and mount, a disassembly and assembly method and a positioning method.
Background
In the technical field of production of solar photovoltaic manufacturing automation equipment, the improvement of component power is always a great goal pursued by various component manufacturers.
At present, a large amount of dense grid line battery pieces are applied, and the power of a half-piece assembly of the dense grid battery pieces is improved by 2% -2.4% compared with that of an assembly of the whole piece, so that when the dense grid battery pieces are used, the number of main grid lines of the battery pieces is increased, the grid lines are thinner, so that welding strips connected with the dense grid line battery pieces are correspondingly thinner, in the technology of connecting the battery pieces with the welding strips, the combination tightness degree of the welding strips and the main grid lines of the battery pieces also influences the power generation of the assembly, and the welding strips interconnected with the main grid of the front side of the solar battery pieces are better controlled, but a welding strip interconnected with the main grid of the back side of the solar battery pieces is influenced by a battery piece supporting piece, so that a better control method is not provided;
The control mode of utilizing the cooperation of jacking piece and thimble is proposed before this, specifically refer to patent: the back welding strip positioning device, the back welding strip positioning assembly and the back welding strip positioning method and the series welding machine disclosed in the patent number CN201610134536.1 are complex in structure, different structures are required to be replaced according to different welding points of the back electrode of the battery piece, and the technology is found to be extremely inconvenient in terms of installation and disassembly through continuous practical application, particularly because soldering flux exists for welding crystallization when the solar battery piece and the welding strip are welded, the jacking structure is required to be disassembled and cleaned for a long time so as not to influence the welding quality;
in addition, in order to ensure the consistency of the lifting welding strip, a process of one-time integral processing is required after installation, thereby increasing the integral processing cost.
Disclosure of Invention
In view of the above, it is necessary to provide a back side solder strip positioning module easy to disassemble and assemble and a disassembling method thereof; it is also necessary to provide a positioning method for positioning the back side solder strip by using the positioning module.
The invention provides an easily-detachable and easily-assembled back welding strip positioning module, which is sequentially stacked with a back welding strip and a solar cell, and comprises an upper die holder, a lower die holder, a thimble and a pressing plate, wherein the thimble is of a floating structure, and the width of the lower die holder is smaller than that of the upper die holder; at least one group of through holes for the thimble to pass through are symmetrically arranged in the width direction of the upper die holder; the upper die holder is rotationally connected with the lower die holder, and a first semicircular channel corresponding to the through hole is formed at the end of the lower die holder in the width direction; the pressing plate is provided with a second semicircular channel, and the second semicircular channel and the first semicircular channel are combined to form a circular channel and are used for accommodating the floating ejector pin; the pressing plate is also provided with a screw, and the pressing plate is fixed on the lower die holder through the screw, so that the thimble is fixed in a circular channel formed between the lower die holder and the pressing plate, and the thimble penetrates into the through hole on the upper die holder.
Further, the floating thimble comprises a movable shaft, a spring, a fixed sleeve and a locking block, wherein the movable shaft penetrates through the spring and is installed in the fixed sleeve, the movable shaft is provided with an upper end limit of the spring, a lower end limit of the spring is arranged in the fixed sleeve, the upper end limit and the lower end limit are mutually matched, so that the spring is packaged in the fixed sleeve, and the movable shaft moves up and down along the fixed sleeve under the matching of the spring; the movable shaft adopts a step structure at least comprising one step, and one step forms an upper end limit; the locking block penetrates through the lower end of the movable shaft and is matched and fixed with the lower end of the fixed sleeve to form an integral structure, so that the lower end is limited.
Preferably, the fixed sleeve has a step structure, and the step of the fixed sleeve just forms a fit with the top surfaces of the lower die holder and the pressing plate, and simultaneously the top surface of the fixed sleeve is positioned below the upper die holder.
Furthermore, the number and the positions of the ejector pins are set according to the number and the positions of welding spots on the main grid line on the back of the battery piece to be welded.
Furthermore, a groove for accommodating the welding strip is further formed in the upper die holder, and the through hole through which the thimble passes is opposite to the groove.
Further, the positioning module further comprises a rotating shaft, a bearing and a driving mechanism, wherein the rotating shaft penetrates through the bearing and is arranged at one end of the upper die holder and one end of the lower die holder so as to realize the rotating connection of the upper die holder and the lower die holder; the bearing is arranged in the lower die holder and fixedly connected with the lower die holder, the rotating shaft is fixedly connected with the upper die holder through a bolt, the driving mechanism is arranged at the other ends of the upper die holder and the lower die holder and connected with the lower end of the lower die holder, and the driving output end of the driving mechanism is used for jacking the lower die holder.
Further, the lower die holder drives the ejector pin and the pressing plate to rotate until the ejector pin passes through the upper die holder, and the welding strip is lifted up to be fully contacted with the battery piece.
The invention also provides a disassembly method of the back welding strip positioning module, which comprises the following steps:
Loosening a screw on the pressing plate;
And taking the thimble out of the lower die holder.
The invention also provides a method for installing the back welding strip positioning module, which comprises the following steps:
a plurality of ejector pins are respectively arranged in a plurality of first semicircular channels arranged on a lower die holder;
The pressing plate is well abutted with the lower die holder;
The pressing plate is fixed on the lower die holder by a screw.
The invention also provides a back welding strip positioning method, which comprises the following steps:
taking a back welding strip, and arranging the back welding strip in a groove arranged by the positioning module;
The driving mechanism acts to lift the lower die holder, the ejector pin and the pressing plate, so that the ejector pin lifts the back welding strip and is fully contacted with the solar cell above the positioning module.
The utility model has the technical effects that:
(1) The invention sets a back welding strip positioning module at the lower end of the welding head seat of the solar cell series welding machine, and sets a floating thimble corresponding to the welding point of the solar cell main grid line in the channel for placing the welding strip, so that the welding strip at the back of the cell is tightly contacted with the cell, thereby ensuring that the back of the cell and the welding strip can form stable and reliable connection;
(2) The ejector pins are arranged on two sides of the lower die holder in the positioning die set, and are matched with the screws through a pressing plate, so that the ejector pins are convenient to assemble, disassemble and maintain;
(3) The floating structure of the thimble is provided with the fixed sleeve with the step structure, so that the fixed sleeve, the lower die holder and the pressing plate are matched to form accurate positioning, the consistency of the installation height of the top surface of the thimble is effectively ensured, and therefore, the condition of reprocessing after the whole assembly is avoided, and the processing cost is effectively saved;
in conclusion, the invention can effectively improve the consistency, reliability, convenience and easy maintenance of the solar cell and the back welding strip during interconnection.
Drawings
FIG. 1 is a schematic diagram of an exploded view of an easily removable back side strap positioning module;
FIG. 2 is a schematic diagram of an attachment structure of a back side strap positioning module that is easy to disassemble and assemble;
FIG. 3 is an enlarged view of the portion A of FIG. 2, mainly showing the difference between the upper die holder through hole with and without the ejector pins;
FIG. 4 is a cross-sectional view of FIG. 2, showing a connection relationship between an upper die holder and a lower die holder;
FIG. 5 is a schematic view of an exploded view of a thimble;
FIG. 6 is a cross-sectional view of a thimble, primarily illustrating a structural assembly relationship of the thimble;
FIG. 7 is a schematic diagram showing a front view of an initial state of a back side strap positioning module with easy disassembly and assembly;
FIG. 8 is a schematic diagram showing a front view of an operation state of a back side strap positioning module which is easy to disassemble and assemble;
Fig. 9 is a simplified schematic structural diagram of a back side strap positioning module with multiple easy-to-detach and easy-to-install modules arranged in an automated series welding device according to the number of solar cell main grid lines.
In the figure: the solar cell module comprises a positioning module 10, an upper die holder 11, a through hole 111, a groove 112, a lower die holder 12, a first semicircular channel 121, a pressing plate 13, a second semicircular channel 131, a thimble 14, a movable shaft 141, a spring 142, a fixed sleeve 143, a locking block 144, a rotating shaft 15, a bearing 16, a driving mechanism 17, a screw 20, a solar cell 100 and a back welding strip 200.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Referring to fig. 1-4, an embodiment of the present invention provides a back side solder strip positioning module 10 that is easy to detach and mount, wherein a back side solder strip 200 and a solar cell 100 are sequentially stacked on the positioning module 10, and the positioning module specifically includes an upper die holder 11, a lower die holder 12, a thimble 14 and a pressing plate 13, wherein the thimble 14 is configured as a floating structure, and the width of the lower die holder 12 is smaller than the width of the upper die holder 11; at least one group of through holes 111 for the thimble 14 to pass through are arranged in the width direction of the upper die holder 11, and according to the illustration in fig. 1, two groups of through holes 111 are selected for the convenience of description, and the two groups of through holes 111 are respectively positioned at two sides of the lower die holder 12; the upper die holder 11 is rotatably connected with the lower die holder 12, and first semicircular channels 121 corresponding to the through holes 111 are formed at both ends of the lower die holder 12 in the width direction; the pressing plate 13 is provided with a second semicircular channel 131, and the first semicircular channel 121 and the second semicircular channel 131 are combined to form a circular channel for accommodating the floating thimble 14; the pressing plate 13 is also provided with a screw 20, and the pressing plate 13 is fixed on the lower die holder 12 through the screw 20, so that the thimble 14 is fixed in a circular channel formed between the lower die holder 12 and the pressing plate 13, and the thimble 14 passes through a through hole 111 on the upper die holder 11;
Preferably, fig. 2 fully shows a preferred arrangement manner of the two sets of through holes 111, specifically, because the corresponding positions between the welding points and the positioning module 10 are different when welding the battery pieces of different types, so as to ensure that the whole module can adapt to the battery pieces of different types, a plurality of through holes 111 are formed, so that the mounting position of the thimble 14 can be changed according to the battery pieces of different types;
Specifically, in fig. 3, a indicates a state in which the ejector pin 14 is not mounted, and b indicates a state in which the ejector pin 14 is mounted.
Further, referring to fig. 5 to 6, the floating ejector pin 14 includes a movable shaft 141, a spring 142, a fixed sleeve 143, and a locking block 144, wherein the movable shaft 141 is installed in the fixed sleeve 143 through the spring 142, and the locking block 144 passes through the lower end of the movable shaft 141 and is tightly fitted and fixed with the lower end of the fixed sleeve 143 into an integral structure, thereby defining the lower end of the spring 142; specifically, the movable shaft 141 has a stepped structure with a large upper end and a small lower end, and the stepped structure can adopt, but is not limited to, an integrally formed and assembled mode, and at least forms one step from the lower end to the upper end, taking the structure shown in fig. 5 and fig. 6 as an example, the steps are set to be two, so that the movable shaft 141 is divided into three shaft sections with different outer diameters: wherein the shaft section at the lowest end has the smallest outer diameter and penetrates through the inside of the spring 142, and a groove is formed on the shaft section at a position below the spring 142 to form a position with the smallest outer diameter, namely a position indicated by c in fig. 5 and 6; the outer diameter of the uppermost shaft section is the largest, and the outer diameter of the shaft section is larger than the inner diameter of the fixed sleeve 143; the outer diameter of the shaft section at the middle end is matched with the inner diameter of the fixed sleeve 143, and the shaft section and the fixed sleeve 143 form clearance fit installation; the middle shaft section of the movable shaft 141 is used for limiting the upper end of the spring 142, the spring 142 is encapsulated in the fixed sleeve 143, and the compression and rebound of the spring 142 drive the movable shaft 141 to move up and down along the fixed sleeve 143 and the locking block 144; specifically, when the movable shaft 141 performs the up-and-down movement, an initial positioning is formed according to the correspondence between the locking block 144 and the position of the minimum outer diameter c, so that the accuracy of the structural dimension of the ejector pin 14 is effectively ensured.
Further, the number and positions of the ejector pins 14 are set according to the number and positions of welding spots on the main grid line on the back of the battery piece to be welded.
Further, the fixing sleeve 143 has a step structure, and a T-shaped step structure is selected as an example in combination with fig. 5, but the fixing sleeve is not limited to a T-shaped structure, and only needs to ensure that the following matching is formed, specifically, the T-shaped notch of the fixing sleeve just matches with the top surfaces of the lower die holder 12 and the pressing plate 13, and meanwhile, the top surface of the fixing sleeve (143) is also ensured to be positioned below the upper die holder 11; further explanation is provided with reference to fig. 5: the T-shaped notch is denoted by d in fig. 6, when in assembly, the part of the fixing sleeve 143 below the d is clamped in the circular channel formed by the combination of the first semicircular channel 121 and the second semicircular channel 131, and the part of the fixing sleeve 143 above the d is positioned in the gap formed by the combination of the upper die holder 11 and the upper die holder 12 and the pressing plate 13.
Further, a groove 112 for accommodating the solder strip is further formed in the upper die holder 11, and a through hole 111 through which the ejector pin 14 passes is arranged opposite to the groove 112.
Further, referring to fig. 4, 7 and 8, the positioning module 10 further includes a rotating shaft 15, a bearing 16 and a driving mechanism 17, where the rotating shaft 15 passes through the bearing 16 and is disposed at one end of the upper die holder 11 and one end of the lower die holder 12, so as to implement rotational connection between the upper die holder 11 and the lower die holder 12; specifically, the bearing 16 is disposed in the lower die holder 12 and is fixedly connected with the lower die holder 12; the rotating shaft 15 is fixedly connected with the upper die holder 11 through bolts; the driving mechanism 17 is disposed at the other ends of the upper die holder 11 and the lower die holder 12, and is connected to the lower end of the lower die holder 12, and its driving output end is used for lifting the lower die holder 12.
Further, the lower die holder 12, the ejector pins 14 and the pressing plate 13 move up and down by taking the rotating shaft 15 as a center until the ejector pins 14 penetrate into the upper die holder 11 and jack up the welding strip to be in full contact with the battery piece; specifically, the ejector pin 14 structure disclosed in connection with fig. 5-6 performs further ejection description: the lower die holder 12 and the pressing plate 13 drive the ejector pins 14 to jack up when moving, so that the top ends of the ejector pins 14 are in contact with the welding strip, the welding strip is pushed to be in contact with the battery piece, the jack-up position of the top ends of the ejector pins 14 is limited along with the contact of the welding strip and the battery piece, at the moment, if jacking driving is continued, the fixing sleeve 143 is driven to move upwards independently, so that relative movement (shown as moving shaft 141 moves downwards in reference to fig. 6) is generated between the fixing sleeve 143 and the moving shaft 141, in the process, the spring 142 is extruded through the middle shaft section of the moving shaft 141, so that the spring 142 is compressed to generate a rebound force, and the rebound force acts on the welding strip through the middle shaft section and the upper end shaft section, so that the tight contact between the welding strip and the battery piece is ensured.
Referring to fig. 1, the invention further provides a method for disassembling the back side welding strip positioning module, which comprises the following steps:
Step S1, loosening the screw 20 on the pressing plate 13;
Step S2, the ejector pins 14 are taken out from the lower die holder 12.
Referring to fig. 1, the invention further provides a method for installing the back side welding strip positioning module, which comprises the following steps:
Step S1, a plurality of ejector pins 14 are respectively arranged in a first semicircular channel 121 arranged on a lower die holder 12;
Step S2, abutting the pressing plate 13 with the lower die holder 12;
In step S3, the pressing plate 13 is fixed to the lower die holder 12 by the screws 20.
Referring to fig. 1-3 and fig. 7-9, the invention also provides a back side welding strip positioning method, which comprises the following steps:
step S1, a back welding strip 200 is taken, and the back welding strip 200 is arranged in a groove 111 arranged in the positioning module 10;
In step S2, the driving mechanism 17 operates to lift the lower die holder 12, the ejector pins 14 and the pressing plate 13, so that the ejector pins 14 lift the back solder strip 200 and fully contact the solar cell 100 above the positioning module 10.
Referring to fig. 9, when the solar cell module is arranged in an automatic series welding device, a plurality of positioning modules 10 can be arranged according to the number of main grid lines of solar cells, positioning of welding strips interconnected with the main grid on the back of each cell is synchronously completed, reliability and consistency of interconnection welding of the cells and the welding strips are ensured, and therefore quality of a component product is ensured.
Claims (9)
1. The utility model provides a back welding strip positioning module of easy dismantlement easy dress, includes positioning module (10) to stacked back welding strip (200) and solar wafer (100) on positioning module (10) in proper order, its characterized in that: the positioning module (10) comprises an upper die holder (11), a lower die holder (12), a thimble (14) and a pressing plate (13), wherein the thimble (14) is of a floating structure, and the width of the lower die holder (12) is smaller than that of the upper die holder (11);
At least one group of through holes (111) for the thimble (14) to pass through are symmetrically arranged in the width direction of the upper die holder (11);
The upper die holder (11) is rotationally connected with the lower die holder (12), and a first semicircular channel (121) corresponding to the through hole (111) is formed at the end of the lower die holder (12) in the width direction;
The pressing plate (13) is provided with a second semicircular channel (131), and the second semicircular channel (131) and the first semicircular channel (121) are combined to form a circular channel, so that the circular channel is used for accommodating a floating thimble (14);
The pressing plate (13) is further provided with a screw (20), the pressing plate (13) is fixed on the lower die holder (12) through the screw (20), so that the thimble (14) is fixed in a circular channel formed between the lower die holder (12) and the pressing plate (13), and the thimble (14) freely passes through a through hole (111) in the upper die holder (11);
The floating thimble (14) comprises a movable shaft (141), a spring (142), a fixed sleeve (143) and a locking block (144), wherein the movable shaft (141) penetrates through the spring (142) and is installed in the fixed sleeve (143), the movable shaft (141) is provided with upper end limit of the spring (142), the fixed sleeve (143) is internally provided with lower end limit of the spring (142), the upper end limit and the lower end limit are mutually matched, so that the spring (142) is packaged in the fixed sleeve (143), and the movable shaft (141) moves up and down along the fixed sleeve (143) under the cooperation of the spring (142);
The movable shaft (141) adopts a step structure at least comprising one step, and one step forms an upper end limit; the locking block (144) passes through the lower end of the movable shaft (141) and is matched and fixed with the lower end of the fixed sleeve (143) into an integral structure, so that the lower end limit is formed.
2. The easy-to-detach and easy-to-install back side strap positioning module set of claim 1, wherein: the number and the positions of the ejector pins (14) are set according to the number and the positions of welding spots on the main grid line on the back of the battery piece to be welded.
3. The easy-to-detach and easy-to-install back side strap positioning module set of claim 1, wherein: the fixed sleeve (143) is provided with a step structure, the step of the fixed sleeve is just matched with the top surfaces of the lower die holder (12) and the pressing plate (13), and meanwhile, the top surface of the fixed sleeve (143) is positioned below the upper die holder (11).
4. The easy-to-detach and easy-to-install back side strap positioning module set of claim 1, wherein: the upper die holder (11) is also provided with a groove (112) for accommodating the welding strip, and the through hole (111) through which the thimble (14) passes is opposite to the groove (112).
5. The easy-to-detach and easy-to-install back side strap positioning module of claim 4, wherein: the positioning module (10) further comprises a rotating shaft (15), a bearing (16) and a driving mechanism (17), wherein the rotating shaft (15) penetrates through the bearing (16) and is arranged at one end of the upper die holder (11) and one end of the lower die holder (12) so as to realize the rotary connection of the upper die holder (11) and the lower die holder (12); the bearing (16) is arranged in the lower die holder (12) and is fixedly connected with the lower die holder (12), the rotating shaft (15) is fixedly connected with the upper die holder (11) through bolts, the driving mechanism (17) is arranged at the other ends of the upper die holder (11) and the lower die holder (12) and is connected with the lower end of the lower die holder (12), and the driving output end of the driving mechanism is used for jacking the lower die holder (12).
6. The easy-to-detach and easy-to-install back side strap positioning module set of claim 1, wherein: the lower die holder (12) drives the ejector pin (14) and the pressing plate (13) to rotate until the ejector pin (14) penetrates into the upper die holder (11) and the welding strip is ejected to be fully contacted with the battery piece.
7. The method for disassembling the easily detachable and attachable back side welding strip positioning module according to any one of claims 1 to 6, comprising the steps of:
Loosening a screw (20) on the pressing plate (13);
the thimble (14) is taken out from the lower die holder (12).
8. The method for installing the easily detachable and attachable back side welding strip positioning module according to any one of claims 1 to 6, comprising the steps of:
a plurality of ejector pins (14) are respectively arranged in a plurality of first semicircular channels (121) arranged on a lower die holder (12);
the pressing plate (13) is well abutted with the lower die holder (12);
The pressing plate (13) is fixed on the lower die holder (12) by a screw (20).
9. The method for positioning the back side welding strip in the back side welding strip positioning module easy to detach and mount as claimed in claim 5, which is characterized by comprising the following steps:
Taking a back welding strip (200), and arranging the back welding strip (200) in a groove (112) arranged in the positioning module (10);
The driving mechanism (17) acts to lift the lower die holder (12), the ejector pins (14) and the pressing plate (13), so that the ejector pins (14) jack the back welding strip (200) and fully contact the solar cell (100) above the positioning module (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910705323.3A CN110449804B (en) | 2019-08-01 | 2019-08-01 | Easy-to-detach and easy-to-mount back welding strip positioning module, dismounting method and positioning method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910705323.3A CN110449804B (en) | 2019-08-01 | 2019-08-01 | Easy-to-detach and easy-to-mount back welding strip positioning module, dismounting method and positioning method |
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| Publication Number | Publication Date |
|---|---|
| CN110449804A CN110449804A (en) | 2019-11-15 |
| CN110449804B true CN110449804B (en) | 2024-06-04 |
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| CN112570834B (en) * | 2020-12-09 | 2023-10-20 | 句容协鑫集成科技有限公司 | Improved welding machine for jacking module and use method |
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