CN216192630U - A rotary die tinning stack for round copper line - Google Patents
A rotary die tinning stack for round copper line Download PDFInfo
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- CN216192630U CN216192630U CN202122474356.7U CN202122474356U CN216192630U CN 216192630 U CN216192630 U CN 216192630U CN 202122474356 U CN202122474356 U CN 202122474356U CN 216192630 U CN216192630 U CN 216192630U
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Abstract
The utility model relates to the field of photovoltaic solder strips, and particularly discloses a rotary die tinning device for round copper wires, which comprises a position adjusting assembly, a wire pressing wheel, a traction wheel, a motor fixing plate, a hollow rotary motor and a die assembly, wherein the position adjusting assembly is arranged on the position adjusting assembly; the position adjusting assembly comprises a vertical mounting plate, the middle part of the vertical mounting plate is horizontally provided with the motor fixing plate, and the lower part of the vertical mounting plate is provided with the wire pressing wheel; a traction wheel is arranged above the position adjusting assembly; a motor shaft of the hollow rotating motor is hollow, a through hole is formed in the middle of a motor fixing plate, and the hollow rotating motor is vertically fixed on the motor fixing plate; the output shaft of the hollow rotating motor faces downwards and is connected with the die assembly. The utility model can remove residual flux residues in the die, thereby realizing the coating of a uniform tin-lead alloy layer on the surface of the round copper wire and effectively improving the concentricity of the coating of the round solder strip.
Description
Technical Field
The utility model relates to the field of photovoltaic solder strips, in particular to a rotary die tinning device for round copper wires.
Background
The full-automatic tinning all-in-one machine for the solar photovoltaic solder strip mainly produces the photovoltaic solder strip. The photovoltaic solder strip is also called as a tinned copper strip or a tinned copper strip, is mainly applied to connection between photovoltaic module cells and plays an important role in conducting and gathering electricity. The solder strip is an important raw material in the welding process of the photovoltaic module, the quality of the solder strip directly influences the current collection efficiency of the photovoltaic module, and the influence on the power of the photovoltaic module is large.
In the photovoltaic industry, two main production modes of photovoltaic solder strips on the market are provided, wherein one mode is electroplating; the other is hot dip plating; the electroplating cost is high, the market share in the photovoltaic industry is low, the hot dip plating cost of the mainstream in the market is low, and the electroplating method has absolute advantages in the photovoltaic industry. In the production process of hot dip plating, tin plating is a core process; the tin plating process influences important indexes of the photovoltaic solder strip product, such as coating thickness, finished product size, product surface quality and the like.
At present, in the production of hot-dip photovoltaic circular solder strips, the traditional tin plating mode of the solder strips (with rectangular cross sections) is mainly an air knife method, namely gas wiping, and redundant tin-lead alloy bodies in the tin plating process are blown into a tin furnace by two flat air knives. In the current circular welding strip produced by the air knife method (gas wiping), the tin alloy is unevenly plated on a copper base material in one circle, and the welding effect is influenced by uneven plating found in long-term use of an end customer.
The thickness and the surface quality of the coating on the surface of the photovoltaic solder strip are mainly determined by the size of the installation position of the air knife, the installation angle, the air pressure and the flow of compressed air and the like. For different production speeds, different positions are required to be adjusted to ensure the stability of product quality, and the requirement on the technical level of production staff is high.
Therefore, how to improve the concentricity of the coating of the circular solder strip in the production process of the tinning procedure is a technical problem to be solved by the technical personnel in the field at present.
Disclosure of Invention
In order to solve the technical problems, the utility model aims to provide a rotary die tinning device for a round copper wire, which can solve the problem of low concentricity of a coating of a round welding strip in the production process of a tinning procedure in the prior art and improve the production efficiency of the round welding strip.
In order to achieve the purpose, the utility model adopts the following technical scheme to solve the problem:
a rotary die tinning device for round copper wires comprises a position adjusting component 1, a wire pressing wheel 2, a traction wheel 3, a motor fixing plate 4, a hollow rotary motor 5 and a die component 6; the position adjusting assembly 1 comprises a vertical mounting plate 101, the motor fixing plate 4 is horizontally arranged in the middle of the vertical mounting plate 101, and the wire pressing wheel 2 is arranged on the lower portion of the vertical mounting plate 101; a traction wheel 3 is arranged above the position adjusting assembly 1; a motor shaft of the hollow rotating motor 5 is hollow, a through hole is formed in the middle of the motor fixing plate 4, and the hollow rotating motor 5 is vertically fixed on the motor fixing plate 4; the output shaft of the hollow rotating motor 5 faces downwards and is connected with the die assembly 6; the mold assembly 6 comprises a mold bracket 601, a first cylindrical mold 602 and a second cylindrical mold 603, wherein the mold bracket 601 comprises an upper circular plate 6011, a middle circular plate 6012, a lower circular plate 6013 and a connecting rod 6014, and the upper circular plate 6011, the middle circular plate 6012 and the lower circular plate 6013 are connected in parallel through the connecting rod 6014; the height of the first cylindrical mold 602 is smaller than the distance between an upper circular plate 6011 and a middle circular plate 6012, and the height of the second cylindrical mold 603 is smaller than the distance between the middle circular plate 6012 and a lower circular plate 6013; the upper circular plate 6011, the middle circular plate 6012 and the lower circular plate 6013 are provided with a first U-shaped notch, a second U-shaped notch and a third U-shaped notch which are the same in size; the semi-circle centers of the first U-shaped notch, the second U-shaped notch and the third U-shaped notch are collinear with the centers of the upper circular plate 6011, the middle circular plate 6012 and the lower circular plate 6013; a first cylindrical mold 602 is placed on the upper surface of the middle circular plate 6012, and a second cylindrical mold 603 is placed on the upper surface of the lower circular plate 6013; a vertical first through hole is formed in the middle of the first cylindrical mold 602, and a vertical second through hole is formed in the middle of the second cylindrical mold 603; the center of the outer surface of the wire pressing wheel 2 is provided with a circumferential first wire groove, and the center of the outer surface of the traction wheel 3 is provided with a circumferential second wire groove; the tangent line of the central point of the second wire groove at the leftmost end of the traction wheel 3, the central line of the rotating shaft of the hollow rotating motor 5, the central line of the upper circular plate 6011, the central line of the middle circular plate 6012, the central line of the lower circular plate 6013 and the tangent line of the central point of the first wire groove at the rightmost end of the wire pressing wheel 2 are on the same vertical line.
Furthermore, the upper surface center of first through-hole is provided with the tin-lead alloy who leaks hopper-shaped and holds the district, the upper surface center of second through-hole is provided with the tin-lead alloy who leaks hopper-shaped and holds the district.
Further, the position adjusting assembly 1 further comprises a mounting seat 102, a front and rear manual displacement table 103, a left and right manual displacement table 104, an upper and lower manual displacement table 105 and an L-shaped connecting plate 106; the front and rear manual displacement stages 103 include a first fixed plate 1031 and a first movable plate 1032, the left and right manual displacement stages 104 include a second fixed plate 1041 and a second movable plate 1042, and the up and down manual displacement stages 105 include a third fixed plate 1051 and a third movable plate 1052; the L-shaped connecting plate 106 comprises a horizontal connecting plate 1061 and a vertical connecting plate 1062; the first fixed plate 1031 is fixedly connected with the mounting seat holder 102, the first movable plate 1032 is fixedly connected with the second fixed plate 1041, the horizontal connecting plate 1061 of the L-shaped connecting plate 106 is connected with the second movable plate 1042, the vertical connecting plate 1062 of the L-shaped connecting plate 106 is fixedly connected with the third fixed plate 1051, and the third movable plate 1052 is connected with the vertical mounting plate 101; the front and rear manual displacement tables 103 are used for adjusting the front and rear positions of the vertical mounting plate 101, the left and right manual displacement tables 104 are used for adjusting the left and right positions of the vertical mounting plate 101, and the upper and lower manual displacement tables 105 are used for adjusting the upper and lower positions of the vertical mounting plate 101.
Furthermore, the center of the lower surface of the first through hole is provided with an inverted funnel-shaped tin-lead alloy containing area, and the center of the lower surface of the second through hole is provided with an inverted funnel-shaped tin-lead alloy containing area.
Further, still include tin stove 7 and round copper line 8, tin stove 7 is located the below of vertical mounting panel 101, there is liquid tin-lead alloy in the tin stove 7.
Furthermore, the size of the sizing area of the die is 5-8 mu m larger than the diameter of the round copper wire 8.
Further, the base material of the first cylindrical mold 602 is titanium alloy, and polycrystalline diamond is embedded in the first through hole; the base material of the second cylindrical mold 603 is titanium alloy, and polycrystalline diamond is inlaid in the second through hole.
Further, the first cylindrical mold 602 and the second cylindrical mold 603 are the same.
Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:
1. the mould rotation mode is adopted to tin the round copper wire, so that the concentricity of the coating of the round welding strip in the production process of the tin plating procedure is improved;
2. a hollow rotating motor is additionally arranged and used for driving the die support and the die to rotate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic view of the entire tinning apparatus for round copper wire according to the present invention;
FIG. 2 is a schematic view of a portion of the tin plating apparatus for round copper wire according to the present invention;
FIG. 3 is a side sectional view of a first cylindrical mold of the tinning apparatus for round copper wires of the present invention;
FIG. 4 is a top view of a first cylindrical mold of the tinning apparatus for round copper wires of the present invention;
in the above figures: 1. a position adjusting group; 101. a vertical mounting plate; 102. a mounting seat; 103. a front and rear manual displacement table; 1031. a first stationary plate; 1032. a first movable plate; 104. a left and right manual displacement table; 1041. a second stationary plate; 1042. a second movable plate; 105. an up-down manual displacement table; 1051. a third stationary plate; 1052. a third movable plate; 106. an L-shaped connecting plate; 1061. a horizontal connecting plate; 1062. a vertical connecting plate; 2. a wire pressing wheel; 3. a traction wheel; 4. a motor fixing plate; 5. a hollow rotating electrical machine; 6. a mold assembly; 601. a mold holder; 6011. an upper circular plate; 6012. a middle circular plate; 6013. a lower circular plate; 6014. a connecting rod; 602. a first cylindrical mold; 603. a second cylindrical mold; 7. a tin furnace; 8. round copper wire.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, specific details are set forth in order to provide a thorough understanding of the present invention. The utility model can be implemented in a number of ways different from those described herein and similar generalizations can be made by those skilled in the art without departing from the spirit of the utility model. Therefore, the present invention is not limited to the specific embodiments disclosed below.
Referring to fig. 1 to 4, a rotary die tinning apparatus for round copper wires includes a position adjusting assembly 1, a wire pressing wheel 2, a traction wheel 3, a motor fixing plate 4, a hollow rotary motor 5 and a die assembly 6; the position adjusting assembly 1 comprises a vertical mounting plate 101, the motor fixing plate 4 is horizontally arranged in the middle of the vertical mounting plate 101, and the wire pressing wheel 2 is arranged on the lower portion of the vertical mounting plate 101; a traction wheel 3 is arranged above the position adjusting assembly 1; a motor shaft of the hollow rotating motor 5 is hollow, a through hole is formed in the middle of the motor fixing plate 4, and the hollow rotating motor 5 is vertically fixed on the motor fixing plate 4; the output shaft of the hollow rotating motor 5 faces downwards and is connected with the die assembly 6; the mold assembly 6 comprises a mold bracket 601, a first cylindrical mold 602 and a second cylindrical mold 603, wherein the mold bracket 601 comprises an upper circular plate 6011, a middle circular plate 6012, a lower circular plate 6013 and a connecting rod 6014, and the upper circular plate 6011, the middle circular plate 6012 and the lower circular plate 6013 are connected in parallel through the connecting rod 6014; the height of the first cylindrical mold 602 is smaller than the distance between an upper circular plate 6011 and a middle circular plate 6012, and the height of the second cylindrical mold 603 is smaller than the distance between the middle circular plate 6012 and a lower circular plate 6013; the upper circular plate 6011, the middle circular plate 6012 and the lower circular plate 6013 are provided with a first U-shaped notch, a second U-shaped notch and a third U-shaped notch which are the same in size; the semi-circle centers of the first U-shaped notch, the second U-shaped notch and the third U-shaped notch are collinear with the centers of the upper circular plate 6011, the middle circular plate 6012 and the lower circular plate 6013; a first cylindrical mold 602 is placed on the middle circular plate 6012, and a second cylindrical mold 603 is placed on the lower circular plate 6013; a vertical first through hole is formed in the middle of the first cylindrical mold 602, and a vertical second through hole is formed in the middle of the second cylindrical mold 603; the center of the outer surface of the wire pressing wheel 2 is provided with a circumferential first wire groove, and the center of the outer surface of the traction wheel 3 is provided with a circumferential second wire groove; the tangent line of the central point of the second wire groove at the leftmost end of the traction wheel 3, the central line of the rotating shaft of the hollow rotating motor 5, the central line of the upper circular plate 6011, the central line of the middle circular plate 6012, the central line of the lower circular plate 6013 and the tangent line of the central point of the first wire groove at the rightmost end of the wire pressing wheel 2 are on the same vertical line.
In the above embodiment, the hollow rotating motor 5 is connected with the motor fixing plate 4, and the middle of the structural body of the hollow rotating motor 5 is a through hole, mainly aiming at allowing a round copper wire to pass through the middle; the die bracket 601 is vertically connected with an output shaft of the hollow rotating motor 5 and is mainly used for limiting the height positions of the first cylindrical die 602 and the second cylindrical die 603 in the tin melting furnace 7; the first cylindrical mold 602 and the second cylindrical mold 603 are respectively placed on the lower surface of the mold support 601, the round copper wire 8 preferentially penetrates through the inner hole of the first cylindrical mold 602, and the inner hole of the second cylindrical mold 603 is used for uniformly coating the surface of the round copper wire 8 with tin.
Furthermore, the upper surface center of first through-hole is provided with the tin-lead alloy who leaks hopper-shaped and holds the district, the upper surface center of second through-hole is provided with the tin-lead alloy who leaks hopper-shaped and holds the district.
Further, the position adjusting assembly 1 further comprises a mounting seat 102, a front and rear manual displacement table 103, a left and right manual displacement table 104, an upper and lower manual displacement table 105 and an L-shaped connecting plate 106; the front and rear manual displacement stages 103 include a first fixed plate 1031 and a first movable plate 1032, the left and right manual displacement stages 104 include a second fixed plate 1041 and a second movable plate 1042, and the up and down manual displacement stages 105 include a third fixed plate 1051 and a third movable plate 1052; the L-shaped connecting plate 106 comprises a horizontal connecting plate 1061 and a vertical connecting plate 1062; the first fixed plate 1031 is fixedly connected with the mounting seat holder 102, the first movable plate 1032 is fixedly connected with the second fixed plate 1041, the horizontal connecting plate 1061 of the L-shaped connecting plate 106 is connected with the second movable plate 1042, the vertical connecting plate 1062 of the L-shaped connecting plate 106 is fixedly connected with the third fixed plate 1051, and the third movable plate 1052 is connected with the vertical mounting plate 101; the front and rear manual displacement tables 103 are used for adjusting the front and rear positions of the vertical mounting plate 101, the left and right manual displacement tables 104 are used for adjusting the left and right positions of the vertical mounting plate 101, and the upper and lower manual displacement tables 105 are used for adjusting the upper and lower positions of the vertical mounting plate 101.
Furthermore, the center of the lower surface of the first through hole is provided with an inverted funnel-shaped tin-lead alloy containing area, and the center of the lower surface of the second through hole is provided with an inverted funnel-shaped tin-lead alloy containing area.
Further, still include tin stove 7 and round copper line 8, tin stove 7 is located the below of vertical mounting panel 101, there is liquid tin-lead alloy in the tin stove 7.
Furthermore, the size of the sizing area of the die is 5-8 mu m larger than the diameter of the round copper wire 8.
Further, the base material of the first cylindrical mold 602 is titanium alloy, and polycrystalline diamond is embedded in the first through hole; the base material of the second cylindrical mold 603 is titanium alloy, and polycrystalline diamond is inlaid in the second through hole.
Further, the first cylindrical mold 602 and the second cylindrical mold 603 are the same.
In the above embodiment, the creasing-roller 2 is a semicircular roller of titanium alloy material; the round copper wire 8 is made of oxygen-free copper, the copper content is required to be more than or equal to 99.9 percent, and the surface of the round copper wire is coated with a layer of tin-lead alloy; the tin-lead alloy is uniformly coated on the circumference of the round copper wire 8 and can be used for welding a battery piece in the packaging of a photovoltaic module; when the tin-lead alloy is used for welding, the circumference of the round copper wire 8 is uniformly coated with the tin-lead alloy with the thickness of 10 mu m to 25 mu m; the tin-lead alloy is an alloy solder stored in a tin furnace 7, wherein the temperature of the tin-lead alloy is more than or equal to 183 ℃ to start melting, and in normal use, in order to ensure the uniformity of tin plating on the surface of a round copper wire and to have the best welding capability, the temperature of the tin-lead alloy is usually set to be more than or equal to 200 ℃, and is generally between 200 ℃ and 235 ℃.
Although the present invention has been described in detail in this specification with reference to specific embodiments and illustrative embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Accordingly, such modifications and improvements are intended to be within the scope of this invention as claimed.
Claims (7)
1. A rotary die tinning device for round copper wires is characterized by comprising a position adjusting assembly (1), a wire pressing wheel (2), a traction wheel (3), a motor fixing plate (4), a hollow rotary motor (5) and a die assembly (6);
the position adjusting assembly (1) comprises a vertical mounting plate (101), the motor fixing plate (4) is horizontally arranged in the middle of the vertical mounting plate (101), and the wire pressing wheel (2) is arranged on the lower portion of the vertical mounting plate (101); a traction wheel (3) is arranged above the position adjusting assembly (1);
a motor shaft of the hollow rotating motor (5) is hollow, a through hole is formed in the middle of the motor fixing plate (4), and the hollow rotating motor (5) is vertically fixed on the motor fixing plate (4); the output shaft of the hollow rotating motor (5) faces downwards and is connected with the die assembly (6);
the die assembly (6) comprises a die bracket (601), a first cylindrical die (602) and a second cylindrical die (603), wherein the die bracket (601) comprises an upper circular plate (6011), a middle circular plate (6012), a lower circular plate (6013) and a connecting rod (6014), and the upper circular plate (6011), the middle circular plate (6012) and the lower circular plate (6013) are connected in parallel through the connecting rod (6014); the height of the first cylindrical die (602) is smaller than the distance between an upper circular plate (6011) and a middle circular plate (6012), and the height of the second cylindrical die (603) is smaller than the distance between the middle circular plate (6012) and a lower circular plate (6013);
the upper circular plate (6011), the middle circular plate (6012) and the lower circular plate (6013) are provided with a first U-shaped notch, a second U-shaped notch and a third U-shaped notch which are the same in size; the semi-circle centers of the first U-shaped notch, the second U-shaped notch and the third U-shaped notch are collinear with the centers of the upper circular plate (6011), the middle circular plate (6012) and the lower circular plate (6013);
a first cylindrical mold (602) is placed on the middle circular plate (6012), and a second cylindrical mold (603) is placed on the lower circular plate (6013); a vertical first through hole is formed in the middle of the first cylindrical mold (602), and a vertical second through hole is formed in the middle of the second cylindrical mold (603);
the center of the outer surface of the wire pressing wheel (2) is provided with a circumferential first wire groove, and the center of the outer surface of the traction wheel (3) is provided with a circumferential second wire groove; the tangent line of the central point of the second wire groove at the leftmost end of the traction wheel (3), the central line of the rotating shaft of the hollow rotating motor (5), the central line of the upper circular plate (6011), the central line of the middle circular plate (6012), the central line of the lower circular plate (6013) and the tangent line of the central point of the first wire groove at the rightmost end of the wire pressing wheel (2) are positioned on the same vertical line.
2. The rotary die tinning device for round copper wires according to claim 1, characterized in that the center of the upper surface of the first through hole is provided with a funnel-shaped tin-lead alloy accommodating area, and the center of the upper surface of the second through hole is provided with a funnel-shaped tin-lead alloy accommodating area.
3. The rotary die tinning device for round copper wires according to claim 2, characterized in that the position adjusting assembly (1) further comprises a mounting seat (102), a front and rear manual displacement table (103), a left and right manual displacement table (104), an upper and lower manual displacement table (105) and an L-shaped connecting plate (106); the front-rear manual displacement table (103) comprises a first fixed plate (1031) and a first movable plate (1032), the left-right manual displacement table (104) comprises a second fixed plate (1041) and a second movable plate (1042), and the upper-lower manual displacement table (105) comprises a third fixed plate (1051) and a third movable plate (1052); the L-shaped connecting plate (106) comprises a horizontal connecting plate (1061) and a vertical connecting plate (1062);
the first fixed plate (1031) is fixedly connected with the mounting seat (102), the first movable plate (1032) is fixedly connected with the second fixed plate (1041), the second movable plate (1042) is connected with a horizontal connecting plate (1061) of the L-shaped connecting plate (106), a vertical connecting plate (1062) of the L-shaped connecting plate (106) is fixedly connected with a third fixed plate (1051), and the third movable plate (1052) is connected with the vertical mounting plate (101);
the front and back manual displacement platform (103) is used for adjusting the front and back position of the vertical mounting plate (101), the left and right manual displacement platform (104) is used for adjusting the left and right position of the vertical mounting plate (101), and the upper and lower manual displacement platform (105) is used for adjusting the upper and lower position of the vertical mounting plate (101).
4. The rotary die tinning device for round copper wires according to claim 3, wherein an inverted funnel-shaped tin-lead alloy containing area is arranged at the center of the lower surface of the first through hole, and an inverted funnel-shaped tin-lead alloy containing area is arranged at the center of the lower surface of the second through hole.
5. A rotary die tinning stack for round copper wire according to claim 4, characterized in that, still include tin stove (7) and round copper wire (8), the tin stove (7) is located below vertical mounting plate (101), there is liquid tin-lead alloy in the tin stove (7).
6. The rotary die tinning apparatus for round copper wire according to claim 1, characterized in that the sizing area size of the first cylindrical die (602) and the second cylindrical die (603) is 5 to 8 μm larger than the diameter of the round copper wire (8).
7. The rotary die tinning device for round copper wires according to claim 1, characterized in that the base material of the first cylindrical die (602) is titanium alloy, and polycrystalline diamond is inlaid in the first through hole; the base material of the second cylindrical die (603) is titanium alloy, and polycrystalline diamond is inlaid in the second through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122474356.7U CN216192630U (en) | 2021-10-14 | 2021-10-14 | A rotary die tinning stack for round copper line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122474356.7U CN216192630U (en) | 2021-10-14 | 2021-10-14 | A rotary die tinning stack for round copper line |
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| Publication Number | Publication Date |
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| CN216192630U true CN216192630U (en) | 2022-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122474356.7U Active CN216192630U (en) | 2021-10-14 | 2021-10-14 | A rotary die tinning stack for round copper line |
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| CN (1) | CN216192630U (en) |
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- 2021-10-14 CN CN202122474356.7U patent/CN216192630U/en active Active
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