CN215614120U - Calendering device and sectional type special-shaped copper strip production equipment - Google Patents
Calendering device and sectional type special-shaped copper strip production equipment Download PDFInfo
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- CN215614120U CN215614120U CN202120367286.2U CN202120367286U CN215614120U CN 215614120 U CN215614120 U CN 215614120U CN 202120367286 U CN202120367286 U CN 202120367286U CN 215614120 U CN215614120 U CN 215614120U
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Abstract
The utility model discloses a calendering device and sectional type special-shaped copper strip production equipment, wherein the device comprises at least one group of roll components; each group of roll assemblies comprises a pair of rolls with parallel central axes; the periphery of the roller is a circumferential surface, the circumferential surface comprises a first pressure section for applying pressure to the special-shaped copper strip and a first groove section for accommodating the special-shaped copper strip to avoid the special-shaped copper strip from being deformed under pressure, the number of the first pressure section is equal to that of the first groove section, the first groove section and the first groove section are arranged at intervals, the circumferential surface also comprises a second groove section and/or a second pressure section, the second groove section is connected with any one of the first groove sections, and the second pressure section is connected with any one of the first pressure sections; the produced sectional type special-shaped copper strip has a flat section with the length larger than that of the first pressure section and/or a special-shaped section with the length larger than that of the first groove section, and the subsequently produced welding strip can meet the connection between the same series of battery pieces and also can meet the connection between different series of battery pieces.
Description
Technical Field
The utility model relates to the field of photovoltaic modules, in particular to a calendering device and sectional type special-shaped copper strip production equipment.
Background
The welding strip is an important material in the welding process of the photovoltaic module and is used for welding the surface of the cell slice to connect the cell slice in series, and the quality of the welding strip directly influences the current collection efficiency of the photovoltaic module. With the development of the photovoltaic industry, the solder strip is also improved, the improved solder strip comprises a special-shaped section and a flat section, the special-shaped section is welded on the front side of the cell, the cross section of the special-shaped section is triangular or trapezoidal and has a shape with an inclined side face, so that light rays are reflected to the surface of the cell, and the flat section is convenient to be welded on the back side of the cell.
At present, a rolling device is usually adopted to produce the improved welding strip, but the welding strip produced by the current rolling device only has a single-size flat section, and because the connection distance of the battery pieces in different strings is larger than that of the battery pieces in the same string, the welding strip produced by the current rolling device only can satisfy the series connection between the battery pieces in the same battery string, but cannot satisfy the connection between the battery pieces in different strings.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: provides a rolling device, sectional type special-shaped copper strip production equipment and a sectional type special-shaped copper strip production method.
The technical scheme of the utility model is as follows: in a first aspect, there is provided a calendering apparatus comprising at least one set of roll assemblies; each group of the roll assemblies comprises a pair of rolls with parallel central axes; the periphery of the roller is a circumferential surface, the circumferential surface comprises a first pressure section for applying pressure to the special-shaped copper strip and a first groove section for accommodating the special-shaped copper strip to avoid the special-shaped copper strip from being deformed under pressure, the number of the first pressure section is equal to that of the first groove section, the first groove section and the first groove section are arranged at intervals, the circumferential surface further comprises a second groove section and/or a second pressure section, the second groove section is connected with any one of the first groove sections, and the second pressure section is connected with any one of the first pressure sections.
In a preferred embodiment, the cross section of the copper profile strip is one of a base part extending outwards on the bottom edge of a triangle, a circle, a semicircle, an ellipse, a trapezoid, a triangle, a quadrangle or two sides with arc edges; preparing a sectional type special-shaped copper strip with a base part with a triangular cross section and extending outwards, a special-shaped section with one of a circular shape, a semicircular shape, an oval shape, a quadrilateral shape or arc-shaped sides at two sides and flat sections arranged at intervals; the length of the second pressure section in the circumferential direction of the roller is smaller than that of the first pressure section in the circumferential direction of the roller; the length of the second groove section in the circumferential direction of the roller is smaller than that of the first groove section in the circumferential direction of the roller, so that the material consumption is saved while the length requirement is met.
In a preferred embodiment, the central axes of the pair of rollers are located on the same vertical plane, so that the occupied space of the device is saved.
In a preferred embodiment, the roller comprises a pressing roller piece and a rotating shaft which is arranged in the pressing roller piece in a penetrating way and used for driving the pressing roller piece to rotate, the rotating shaft is arranged in a manner of being overlapped with a central axis of the pressing roller piece, and the pressing roller piece comprises the circumferential surface; the normal stability of a pair of rollers in operation is guaranteed, and the phenomenon of jamming is avoided.
In a preferred embodiment, the surface of the rotating shaft is provided with a first gear along the circumferential direction thereof, the first gear is meshed with a second gear, the circumference of the second gear is smaller than that of the first gear, and the second gear is connected with a driving component for driving the second gear to rotate so as to drive the rotating shaft to rotate; the second gear which is meshed with the first gear and has the circumference smaller than that of the first gear is driven to drive the rotating shaft to rotate, so that labor is saved.
In a preferred embodiment, the end of the rotating shaft is connected with a driving component which drives the rotating shaft to rotate around the central axis of the rotating shaft; simple structure, space occupation and assembly cost saving.
In a preferred embodiment, the rotating shaft is connected with a limiting assembly, the limiting assembly comprises clamping wheels distributed on two sides of the rotating shaft, and the clamping wheels are connected with the end face of the compression roller piece; the position of the compression roller is limited, and the compression roller is prevented from shaking due to overlarge size and weight.
In a preferred embodiment, the device further comprises a fixed frame and an adjusting mechanism which is arranged on the fixed frame and is used for adjusting the distance between the press roll pieces; the adjusting mechanism comprises a spring, a connecting piece and an adjusting piece; the adjusting part is arranged in a penetrating mode on the fixing frame and is in threaded connection with the fixing frame, a spring arranged along the distance adjusting direction is connected between the connecting part and the fixing frame, one end of the connecting part is abutted to the end portion of the adjusting part, the other end of the connecting part is connected with the rotating shaft, and the roller distance is convenient to adjust so as to be suitable for production of the special-shaped copper strips with different sizes.
In a second aspect, the utility model provides a sectional type special-shaped copper strip production device, which comprises a pay-off device, a drawing device for drawing a copper substrate into a special-shaped copper strip or a pressing device for pressing the copper substrate into the special-shaped copper strip, and the calendering device in any one of the first aspect; the cross section of the special-shaped copper strip is uniform, the base part extending outwards is arranged on the triangular bottom side of the cross section, and the special-shaped copper strip is circular, semicircular, elliptical, trapezoidal, triangular or quadrilateral or one of arc sides arranged on two sides of the special-shaped copper strip.
Compared with the prior art, the utility model has the advantages that: the rolling device comprises at least one group of roll assemblies; each group of roll assemblies comprises a pair of rolls with parallel central axes; the periphery of the roller is a circumferential surface, the circumferential surface comprises a first pressure section for applying pressure to the special-shaped copper strip and a first groove section for accommodating the special-shaped copper strip to avoid the special-shaped copper strip from being deformed under pressure, the number of the first pressure section is equal to that of the first groove section, the first groove section and the first groove section are arranged at intervals, the circumferential surface also comprises a second groove section and/or a second pressure section, the second groove section is connected with any one of the first groove sections, and the second pressure section is connected with any one of the first pressure sections; the sectional type special-shaped copper strip produced by the method has the advantages that the flat section larger than the length of the first pressure section or the special-shaped section larger than the length of the first groove section, or simultaneously has the flat section larger than the length of the first pressure section and the special-shaped section larger than the length of the first groove section, and subsequently produced welding strips can meet the connection between the same series of battery pieces and can also meet the connection between different series of battery pieces.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of a connection of a battery string to a solder strip;
fig. 2 is a front view of a rolling apparatus provided in example 1 of the present invention;
fig. 3 is a perspective view of a press roll member in a rolling apparatus provided in example 1 of the present invention;
fig. 4 is a perspective view of a press roll member in a rolling apparatus provided in example 2 of the present invention;
fig. 5 is a perspective view of a press roll member in a rolling apparatus provided in example 3 of the present invention;
fig. 6 is a sectional view of a rolling apparatus provided in example 4 of the present invention;
wherein: 100. a calendering device; 1. a battery string; 2. welding a strip; 21. a special-shaped section; 22. a flattened section; 3. rolling; 31. a compression roller member; 311. a first pressure stage; 312. a first groove section; 313. a second pressure stage; 314. a second groove segment; 32. a rotating shaft; 321. a first gear; 4. a second gear; 5. clamping the wheel; 6. a fixed mount; 7. a spring; 8. a connecting member; 9. regulating part, 10, rotating electrical machines.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As described in the background art, at least two battery pieces are connected into a battery string by a solder ribbon, a solar battery generally has a plurality of connected battery strings, the battery strings are also connected by the solder ribbon, the currently used solder ribbon includes a special-shaped section and a flat section, the special-shaped section is welded on the front side of the battery pieces, the flat section is welded on the back side of the battery pieces, the connection solder ribbon between the battery strings needs to be made into a flat shape so as to facilitate subsequent welding of bus bars, and in order to facilitate subsequent welding of bus bars, the length of the connection solder ribbon between the battery strings needs to be greater than the length of the solder ribbon between the battery pieces in the same battery string, and the length of the special-shaped section in the current solder ribbon is the same, and the length of the flat section is the same. For example, referring to fig. 1, a string of batteries includes four battery pieces 1, one welding strip cycle includes a section of special-shaped section 21 and a section of flat section 22, the special-shaped section 21 is welded on the front side of the battery pieces, and the flat section 22 is welded on the back side of the battery pieces, of course, due to process reasons, there is a transition portion between the current flat section 22 and the special-shaped section 21, and the transition portion is shared by the flat section 22 and the special-shaped section 21, and since the distance between the battery strings is greater than the distance between the battery pieces in the same string of batteries, one welding strip cycle cannot satisfy the connection between the battery strings. In the production of the solder strip, firstly, a sectional type special-shaped copper strip serving as a solder strip base body is prepared, and then the sectional type special-shaped copper strip is subjected to surface treatment to prepare the solder strip.
Example 1: the present embodiment provides a rolling apparatus, as shown in fig. 2 and 3, the apparatus includes at least one set of roll assemblies; each group of roll assemblies comprises a pair of rolls 3 with parallel central axes; the periphery of the roller 3 is a circumferential surface, the circumferential surface comprises a first pressure section 311 for applying pressure to the special-shaped copper strip and a groove section 312 for accommodating the special-shaped copper strip to avoid the special-shaped copper strip from being deformed under pressure, the first pressure section 311 and the groove section 312 are equal in number and are arranged at intervals so as to press flat sections and special-shaped sections which are arranged at intervals, the circumferential surface further comprises a second pressure section 313, the second pressure section 313 is connected with any one of the first pressure sections 311, and the second pressure section 313 and the first pressure section 311 are connected to press flat sections with lengths larger than those of battery pieces in the same series of batteries so as to connect battery pieces in different series of batteries with larger intervals. Preferably, the surfaces of the first pressure section 311 and the second pressure section 313 are on the same circumferential surface.
In a preferred embodiment, the cross section of the groove section 312 in the axial direction of the roll 3 is one of circular, semicircular, elliptical, trapezoidal, triangular, and quadrangular, and both sides of the groove section have arcs, so as to press a special-shaped welding strip having one of circular, semicircular, elliptical, and quadrangular cross sections. The length of the second pressure segment 313 in the circumferential direction of the roll 3 is smaller than the length of the first pressure segment 311 in the circumferential direction of the roll 3, so that the material consumption is saved while the length requirement is met.
In a preferred embodiment, the central axes of the pair of rollers 3 are located on the same vertical plane, and the rollers 3 are arranged in the longitudinal direction, so that the occupied space of the device is saved.
More preferably, the roll 3 includes a roll member 31 and a rotating shaft 32 penetrating the roll member 31 for driving the roll member 31 to rotate, the rotating shaft 32 is disposed to overlap with a central axis of the roll member 31 for preventing the roll 3 from being jammed during rotation, and the roll member 31 includes the circumferential surface.
More preferably, the surface of the rotating shaft 32 is provided with a first gear 321 along the circumferential direction thereof, the first gear 321 is engaged with a second gear 4, the circumference of the second gear 4 is smaller than the circumference of the first gear 321, and the second gear 4 is connected with a driving assembly (not shown) for driving the second gear to rotate so as to drive the rotating shaft 32 to rotate. The second gear 4 which is meshed with the first gear 321 and has a circumference smaller than that of the first gear 321 is driven to drive the rotating shaft 32 to rotate, so that labor is saved.
More preferably, pivot 32 is connected with spacing subassembly, and spacing subassembly is including distributing in the card wheel 5 of pivot 32 both sides, card wheel 5 with the terminal surface of compression roller spare 31 meets, and is exemplary, and the both sides of every pivot 32 are provided with a card wheel 5 respectively, and two card wheels 5 meet with the terminal surface of compression roller spare 31 respectively, restrict the position of compression roller spare 31, prevent that compression roller spare 31 from rocking because size weight is too big.
More preferably, the rolling device 100 further includes a fixing frame 6 and an adjusting mechanism mounted on the fixing frame 6 for adjusting the distance between the rolling members 31; specifically, the adjusting mechanism is arranged on one side of the roller 3 far away from the other roller in the roller assembly, and comprises a spring 7, a connecting piece 8 and an adjusting piece 9; the adjusting part 9 is arranged in the fixing frame 6 in a penetrating mode and is in threaded connection with the fixing frame 6, the adjusting part 9 can be moved by rotating the adjusting part 9, the spring 7 arranged along the distance adjusting direction is connected between the connecting part 8 and the fixing frame 6, one end of the connecting part 8 is abutted to the end of the adjusting part 9, and the other end of the connecting part is connected with the rotating shaft 32. Specifically, a handle is arranged at one end of the adjusting part 9 extending out of the fixing frame 6, and the adjusting part 9 can be controlled to be close to the rotating shaft 32 or far away from the rotating shaft 32 by rotating the handle. When rotatory handle control regulating part 9 is close to the pivot, thereby regulating part 9 supports and presses connecting piece 8 and supports and press pivot 32, supports the pivot 32 to another roll 3 direction and presses to reduce the roll 3 interval, when needs increase roll 3 interval, rotatory handle control regulating part 9 keeps away from the pivot, and connecting piece 8 resets under spring 7 elasticity effect, thereby drives pivot 32 and keeps away from another roll 3.
The embodiment provides a calendering device, which comprises at least one group of roll assemblies; each group of roll assemblies comprises a pair of rolls with parallel central axes; the periphery of the roller is a circumferential surface, the circumferential surface comprises a first pressure section for applying pressure to the special-shaped copper strip and a first groove section for accommodating the special-shaped copper strip to avoid the special-shaped copper strip from being deformed under pressure, the number of the first pressure section is equal to that of the first groove section, the first groove section and the first groove section are arranged at intervals, the circumferential surface also comprises a second pressure section, and the second pressure section is connected with any one of the first pressure sections; the sectional type special-shaped copper strip produced by adopting the roll assembly to press the special-shaped copper strip and arranging the first pressure sections and the first groove sections which are arranged at intervals can be used for manufacturing the sectional type copper strip with the special-shaped sections and the flat sections which are alternated, the second pressure section connected with any one first pressure section is arranged, the produced sectional type special-shaped copper strip has the flat section which is larger than the length of the first pressure section, and the subsequently manufactured welding strip can meet the connection between the same series of battery pieces and also can meet the connection between different series of battery pieces.
Example 2: the difference between this embodiment and embodiment 1 is that, in this embodiment, the circumferential surface further includes a second groove section, and the second groove section is connected to any one of the first groove sections; the sectional type special-shaped copper strip produced by adopting the rolling component to press the special-shaped copper strip and arranging the first pressure section and the first groove section which are arranged at intervals can be used for manufacturing the sectional type copper strip with the special-shaped sections and the flat sections alternating, the second groove section connected with any one first groove section is arranged, the produced sectional type special-shaped copper strip has the special-shaped section which is larger than the length of the first groove section, and the subsequently manufactured welding strip can meet the connection between the same series of battery pieces and the connection between different series of battery pieces. Preferably, the groove bottom surfaces of the first groove segment 312 and the second groove segment 314 are on the same circumferential surface.
Example 3: the difference between the calendering apparatus provided in this embodiment and embodiment 1 is that the circumferential surface further includes a second groove section and a second pressure section, the second groove section is connected to any one of the first groove sections, and the second pressure section is connected to any one of the first pressure sections; the sectional type special-shaped copper strip produced simultaneously has the flat section which is larger than the length of the first pressure section and the special-shaped section which is larger than the length of the first groove section, and the welding strip which is subsequently produced can meet the connection between the same series of battery plates and the connection between different series of battery plates. Preferably, the first pressure section 311 is located on the same circumferential surface as the second pressure section 313, and the first groove section 312 is located on the same circumferential surface as the groove bottom surface of the second groove section 314.
Example 4: the present embodiment provides a rolling apparatus, as shown in fig. 3, and is different from embodiment 1 in that the end of the rotating shaft 32 is connected to a driving unit that drives the rotating shaft 32 to rotate around its central axis. Illustratively, the drive assembly is the rotating motor 10, and the drive assembly directly drives the rotating shaft to rotate, and the structure is simpler, and the occupied space is saved.
Example 5: the embodiment provides a sectional type special-shaped copper strip production device, which comprises a pay-off device, a drawing device and a rolling device, wherein the drawing device is used for drawing a copper substrate into a special-shaped copper strip; the cross section of the special-shaped copper strip is uniform, the base part extending outwards is arranged on the bottom edge of the triangle, the two ends of the base part are provided with circular arcs and one of circular, semicircular, oval, trapezoidal, triangular and quadrilateral shapes, and the two side edges of the base part are provided with arcs.
Preferably, the method further comprises the following steps: at least one of an annealing device, a coating device, a tin coating device, a cooling device and a wire winding device.
The sectional type special-shaped copper strip production equipment provided by the embodiment belongs to the same concept as the embodiment of the calendering device provided by any one of the embodiments 1 to 4, and the beneficial effects thereof are detailed in the embodiment and are not repeated herein.
Example 6: the present embodiment provides a sectional type shaped copper strip production apparatus, which is different from embodiment 5 in that a pressing device for pressing a base material into a shaped copper strip is used to manufacture a shaped copper strip from a copper base material in this embodiment. The sectional type special-shaped copper strip production equipment provided by the embodiment and the embodiment of the calendering device provided by the embodiments 1 to 4 belong to the same concept, and the specific implementation process is described in detail in the embodiment of the device, which is not described herein again.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, the system or system embodiments are substantially similar to the method embodiments and therefore are described in a relatively simple manner, and reference may be made to some of the descriptions of the method embodiments for related points.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the embodiments of the utility model.
Claims (9)
1. A calendering apparatus, wherein said apparatus comprises at least one set of roll assemblies; each group of the roll assemblies comprises a pair of rolls with parallel central axes; the periphery of the roller is a circumferential surface, the circumferential surface comprises a first pressure section for applying pressure to the special-shaped copper strip and a first groove section for accommodating the special-shaped copper strip to avoid the special-shaped copper strip from being deformed under pressure, the number of the first pressure section is equal to that of the first groove section, the first groove section and the first groove section are arranged at intervals, the circumferential surface further comprises a second groove section and/or a second pressure section, the second groove section is connected with any one of the first groove sections, and the second pressure section is connected with any one of the first pressure sections.
2. The calendering apparatus as in claim 1, wherein the cross section of the shaped copper strip is one of a base portion extending outward on the base of the triangle, a circle, a semicircle, an ellipse, a trapezoid, a triangle, a quadrangle or two sides having arc sides; the length of the second pressure section in the circumferential direction of the roller is smaller than that of the first pressure section in the circumferential direction of the roller; the length of the second groove segment in the circumferential direction of the roller is smaller than the length of the first groove segment in the circumferential direction of the roller.
3. A rolling apparatus according to claim 1, wherein the central axes of said pair of rolls are located on the same vertical plane.
4. The rolling device according to any one of claims 1 to 3, wherein the roll includes a rolling member and a rotating shaft penetrating through the rolling member for driving the rolling member to rotate, the rotating shaft is disposed to coincide with a central axis of the rolling member, and the rolling member includes the circumferential surface.
5. The rolling device as claimed in claim 4, wherein the surface of the rotating shaft is provided with a first gear along its circumference, the first gear is engaged with a second gear, the circumference of the second gear is smaller than that of the first gear, and the second gear is connected with a driving component for driving the second gear to rotate so as to drive the rotating shaft to rotate.
6. A calendering apparatus according to claim 4, wherein the end of said spindle is connected to a drive assembly for driving said spindle about its central axis.
7. The calendering device according to claim 4, wherein the rotating shaft is connected with a limiting component, the limiting component comprises clamping wheels distributed on two sides of the rotating shaft, and the clamping wheels are connected with the end surfaces of the compression roller members.
8. The calendering apparatus according to claim 4, further comprising a fixing frame and an adjusting mechanism mounted on said fixing frame for adjusting a pitch of said press roll members; the adjusting mechanism comprises a spring, a connecting piece and an adjusting piece; the adjusting part is arranged in a penetrating mode on the fixing frame and is in threaded connection with the fixing frame, a spring arranged along the distance adjusting direction is connected between the connecting part and the fixing frame, one end of the connecting part is abutted to the end portion of the adjusting part, and the other end of the connecting part is connected with the rotating shaft.
9. A sectional type special-shaped copper strip production device is characterized by comprising a pay-off device, a drawing device for drawing a copper substrate into a special-shaped copper strip or a pressing device for pressing the copper substrate into the special-shaped copper strip and a calendering device according to any one of claims 1 to 8; the cross section of the special-shaped copper strip is uniform, the base part extending outwards is arranged on the triangular bottom side of the cross section, and the special-shaped copper strip is circular, semicircular, elliptical, trapezoidal, triangular or quadrilateral or one of arc sides arranged on two sides of the special-shaped copper strip.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120367286.2U CN215614120U (en) | 2021-02-09 | 2021-02-09 | Calendering device and sectional type special-shaped copper strip production equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120367286.2U CN215614120U (en) | 2021-02-09 | 2021-02-09 | Calendering device and sectional type special-shaped copper strip production equipment |
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| CN215614120U true CN215614120U (en) | 2022-01-25 |
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| CN202120367286.2U Active CN215614120U (en) | 2021-02-09 | 2021-02-09 | Calendering device and sectional type special-shaped copper strip production equipment |
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| CN (1) | CN215614120U (en) |
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- 2021-02-09 CN CN202120367286.2U patent/CN215614120U/en active Active
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