Solder strip floating tensioning mechanism and series connection machine

Abstract

The utility model discloses a welding strip floating tensioning mechanism and a series connection machine. The welding strip floating tensioning mechanism comprises a floating tensioning wheel assembly, a middle guide wheel assembly, a first guide wheel assembly and a second guide wheel assembly. The floating tensioning wheel assembly comprises a supporting mechanism. The linear guide rails are fixedly arranged on the front face and the back face of the supporting mechanism respectively. And the first floating tensioning wheel and the second floating tensioning wheel are respectively arranged on the corresponding linear guide rails in a sliding manner. According to the utility model, the odd number of grid line welding strips are sequentially pulled and conveyed through the first guide wheel assembly, the first floating tensioning wheel, the middle guide wheel assembly and the second guide wheel assembly, and the even number of grid line welding strips are sequentially pulled and conveyed through the first guide wheel assembly, the middle guide wheel assembly, the second floating tensioning wheel and the second guide wheel assembly; the problem that the solder strip jumps or falls off on the guide wheel due to the fact that the existing solder strip traction speed is too high is effectively solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the welding band traction technical field, specifically, especially, a kind of welding band floating tensioning mechanism and series connection machine. BACKGROUND

[0002] Series connection machine as the necessary equipment of photovoltaic cell string production, its main role is to connect multiple cell pieces together by welding band, to form cell string.Series connection machine production process, first, welding band is driven from welding band reel by welding band traction mechanism and is straightened, then welding band is cut to length according to the length required, and the cut welding band is laid on the grid line position of adjacent cell piece, then the cell piece with welding band is transported to rear end by conveying line to carry out the series connection of cell string.

[0003] In prior art, in order to improve the production capacity of series connection machine, the speed of welding band traction is usually fast, and the unwinding speed of welding band is difficult to keep consistent with the traction speed of welding band due to the continuous decrease of welding band roll diameter, welding band is unwound from welding band reel through guide wheel and passes through the structure below the welding band from the welding band clamp, and the welding band will jump up and down when the traction speed of welding band is too fast, sometimes it will also fall from the guide wheel groove, resulting in the situation that welding band is detached from the clamp or the welding band is broken when the welding band is pulled at high speed, so a welding band floating tensioning mechanism and series connection machine are provided to solve the above problems. SUMMARY

[0004] One of the purposes of the utility model is to provide a welding band floating tensioning mechanism and series connection machine, so as to solve the problem that the existing welding band traction speed is too fast, resulting in the jumping or falling of welding band on guide wheel.

[0005] The welding band floating tensioning mechanism and series connection machine can be realized by the following technical solutions:

[0006] The welding band floating tensioning mechanism comprises a floating tensioning wheel assembly, an intermediate guide wheel assembly fixedly arranged above the floating tensioning wheel assembly, a first guide wheel assembly arranged on one side of the intermediate guide wheel assembly, and a second guide wheel assembly arranged on the other side of the intermediate guide wheel assembly and opposite to the first guide wheel assembly.

[0007] The floating tension wheel assembly comprises a supporting mechanism, a plurality of linear guide rails fixed respectively on the front and back surfaces of the supporting mechanism, a first floating tension wheel and a second floating tension wheel slidingly arranged on the corresponding linear guide rails and arranged respectively on the front and back surfaces of the supporting mechanism, and a single grid line solder strip sequentially passing through the first guide wheel assembly, the first floating tension wheel, the intermediate guide wheel assembly and the second guide wheel assembly, and a double grid line solder strip sequentially passing through the first guide wheel assembly, the intermediate guide wheel assembly, the second floating tension wheel and the second guide wheel assembly.

[0008] In one embodiment, the supporting mechanism comprises oppositely arranged lower and upper fixed plates, and a supporting plate fixed between the lower and upper fixed plates, and a plurality of linear guide rails fixed respectively on the front and back surfaces of the supporting plate.

[0009] In one embodiment, the side edges of the supporting plate are further provided with side reinforcing plates fixed at one end on the lower fixed plate.

[0010] In one embodiment, the floating tension wheel assembly further comprises two upper and two lower buffer members, the two upper buffer members are fixed respectively at the upper ends of the front and back surfaces of the supporting mechanism, the two lower buffer members are fixed respectively at the lower ends of the front and back surfaces of the supporting mechanism, and the first and second floating tension wheels are movably arranged between the corresponding upper and lower buffer members.

[0011] In one embodiment, the upper and lower buffer members each comprise a plurality of buffer blocks arranged in sequence, and the buffer blocks are made of flexible material.

[0012] In one embodiment, the floating tension wheel assembly further comprises at least two lower and at least two upper inductors, the at least two lower inductors are arranged respectively at the lower ends of the front and back surfaces of the supporting mechanism and below the corresponding lower buffer members, and the at least two upper inductors are arranged respectively at the upper ends of the front and back surfaces of the supporting mechanism.

[0013] In one embodiment, the first and second floating tension wheels are respectively provided with counterweights.

[0014] In one embodiment, the first and second guide wheel assemblies each comprise a mounting plate arranged above the floating tension wheel assembly, a first guide wheel shaft fixed transversely at one end on the mounting plate, a plurality of first guide wheels rotatably arranged in sequence on the first guide wheel shaft, and two first positioning blocks arranged respectively at the two ends of the plurality of first guide wheels.

[0015] In one embodiment, the intermediate guide wheel assembly includes a mounting seat fixedly arranged at the upper end of the floating tension wheel assembly, a second guide wheel shaft fixedly arranged on the mounting seat, a plurality of second guide wheels sequentially rotatably arranged on the second guide wheel shaft, and two second positioning blocks respectively arranged at the two ends of the plurality of second guide wheels.

[0016] The utility model discloses a series machine includes the welding band feeding device, the welding band feeding device includes the welding band floating tension mechanism of any one of above,

[0017] It also includes a battery piece gluing device, a battery piece conveying device, a battery piece carrying device, a welding band laying device and a battery piece welding band series device.

[0018] The battery piece gluing device performs gluing operation on the battery piece; the battery piece conveying device performs conveying operation on the glued battery piece; the battery piece carrying device carries the glued battery piece at the output end of the battery piece conveying device to the input end of the battery piece welding band series device; the welding band feeding device places a welding band roll to provide the welding band required for battery string welding; and the welding band laying device lays a welding band of a predetermined length on the glued battery piece at the input end of the battery piece welding band series device.

[0019] Compared with the prior art, the welding band floating tension mechanism and the series machine have the following beneficial effects:

[0020] The welding band floating tension mechanism and the series machine can sequentially pull and convey the single-grid-line welding band through the first guide wheel assembly, the first floating tension wheel, the intermediate guide wheel assembly and the second guide wheel assembly, and can sequentially pull and convey the double-grid-line welding band through the first guide wheel assembly, the intermediate guide wheel assembly, the second floating tension wheel and the second guide wheel assembly, thereby effectively solving the problem that the existing welding band pulling speed is too fast to cause the welding band to jump or fall on the guide wheel, greatly improving the stable output of the welding band during high-speed pulling of the welding band, providing compensation between the welding band unwinding and the welding band pulling speed, and greatly reducing the difficulty of automatic control during the welding band unwinding process. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be briefly introduced the drawings needed to be used in the embodiment, should understand, the following drawings only shows some embodiments of the utility model, therefore should not be regarded as the limitation to the range, for the ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other related drawings according to these drawings.

[0022] Figure 1It is a structure schematic view of a welding strip floating tensioning mechanism, comprising a floating tensioning wheel assembly, a first guide wheel assembly and an intermediate guide wheel assembly;

[0023] Figure 2 It is Figure 1 A structure schematic view of the floating tensioning wheel assembly is shown.

[0024] Figure 3 It is Figure 1 A reverse structure schematic view of the floating tensioning wheel assembly is shown.

[0025] Figure 4 It is Figure 1 A structure schematic view of the first guide wheel assembly is shown.

[0026] Figure 5 It is Figure 1 A structure schematic view of the second guide wheel assembly is shown.

[0027] In the figure, 10 is a welding strip floating tensioning mechanism; 11 is a floating tensioning wheel assembly; 111 is a supporting mechanism; 1111 is a lower fixed plate; 1112 is an upper fixed plate; 1113 is a supporting plate; 1114 is a side reinforcing plate; 112 is a linear guide rail; 113 is a first floating tensioning wheel; 114 is a second floating tensioning wheel; 115 is an upper buffer; 116 is an upper buffer; 117 is a lower inductor; 118 is an upper inductor; 12 is a first guide wheel assembly; 121 is a mounting plate; 122 is a first guide wheel shaft; 123 is a first guide wheel; 124 is a first positioning block; 13 is an intermediate guide wheel assembly; 131 is a mounting seat; 132 is a second guide wheel shaft; 133 is a second guide wheel; 134 is a second positioning block; 14 is a second guide wheel assembly. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0029] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0030] Please refer to Figure 1The utility model discloses a kind of welding strip floating tensioning mechanism 10, as shown in the application, mainly applied to the welding strip traction process of series machine, it includes floating tensioning wheel assembly 11, first guide wheel assembly 12, intermediate guide wheel assembly 13 and second guide wheel assembly 14;Floating tensioning wheel assembly 11 is fixedly arranged on welding strip pay-off rack;Intermediate guide wheel assembly 13 is fixedly arranged above floating tensioning wheel assembly 11;First guide wheel assembly 12, second guide wheel assembly 14 are respectively arranged in the opposite sides of intermediate guide wheel assembly 13 and fixedly arranged on welding strip pay-off rack;Single grid line welding strip sequentially passes through first guide wheel assembly 12, floating tensioning wheel assembly 11, intermediate guide wheel assembly 13, second guide wheel assembly 14 and carries out transmission operation, and double grid line welding strip sequentially passes through first guide wheel assembly 12, intermediate guide wheel assembly 13, floating tensioning wheel assembly 11, second guide wheel assembly 14 and carries out transmission operation.

[0031] Please refer to Figures 1-3As shown, in the embodiment, the floating tension wheel assembly 11 comprises a support mechanism 111, a plurality of linear guides 112, a first floating tension wheel 113, a second floating tension wheel 114, two upper buffer members 115, two lower buffer members 116, at least two lower inductors 117 and at least two upper inductors 118; the support mechanism 111 is fixedly arranged on the welding strip unwinding rack, and the intermediate guide wheel assembly 13 is fixedly arranged above the support mechanism 111; the plurality of linear guides 112 are respectively fixedly arranged on the front and back surfaces of the support mechanism 111; the first floating tension wheel 113 and the second floating tension wheel 114 are respectively slidably arranged on the corresponding linear guides 112 of the front and back surfaces of the support mechanism 111, and the linear guides 112 guide the first floating tension wheel 113 and the second floating tension wheel 114 respectively, so that the first floating tension wheel 113 and the second floating tension wheel 114 can make linear lifting motion relative to the support mechanism 111; the two upper buffer members 115 are respectively fixedly arranged at the upper ends of the front and back surfaces of the support mechanism 111, the two lower buffer members 116 are respectively fixedly arranged at the lower ends of the front and back surfaces of the support mechanism 111, and the first floating tension wheel 113 and the second floating tension wheel 114 are movably arranged between the corresponding upper buffer members 115 and lower buffer members 116 respectively, and the flexible collision between the upper buffer members 115 and lower buffer members 116 and the first floating tension wheel 113 and the second floating tension wheel 114 respectively effectively prevents damage to the first floating tension wheel 113 and the second floating tension wheel 114 during the collision process; the at least two lower inductors 117 are respectively arranged at the lower ends of the front and back surfaces of the support mechanism 111 and below the corresponding lower buffer members 116, which detect the lowering condition of the first floating tension wheel 113 and the second floating tension wheel 114 in real time; and the at least two upper inductors 118 are respectively arranged at the upper ends of the front and back surfaces of the support mechanism 111, which detect the lifting condition of the first floating tension wheel 113 and the second floating tension wheel 114 in real time. Specifically, the first floating tension wheel 113 and the second floating tension wheel 114 are existing technologies, and the single grid line welding strip passes through the first floating tension wheel 113 in sequence, and the double grid line welding strip passes through the second floating tension wheel 114 in sequence.

[0032] Please refer to Figure 2 and Figure 3As shown, in the embodiment, the support mechanism 111 includes a lower fixed plate 111, an upper fixed plate 1112, a support plate 1113 and a side reinforcing plate 1114; the lower fixed plate 111 and the upper fixed plate 1112 are oppositely arranged, the lower fixed plate 111 is a support main body, and is fixedly arranged on the welding strip unwinding rack; the support plate 1113 is fixedly arranged between the lower fixed plate 111 and the upper fixed plate 1112, and a plurality of linear guides 112 are fixedly arranged on the front and back surfaces of the support plate 1113, respectively; one end of the side reinforcing plate 1114 is fixedly arranged on the lower fixed plate 111 and is fixedly arranged on the side edge of the support plate 1113. Specifically, the first floating tensioning wheel 113 and the second floating tensioning wheel 114 are respectively provided with counterweights. In the embodiment, the upper buffer 115 and the upper buffer 116 include a plurality of buffer blocks, the plurality of buffer blocks are sequentially arranged on the upper and lower ends of the support plate 1113, and the buffer blocks are made of flexible materials. Specifically, the material of the buffer blocks can be foam, rubber or silicone.

[0033] As shown in Figure 1 and Figure 4 As shown, in the embodiment, the first guide wheel assembly 12 includes a mounting plate 121, a first guide wheel shaft 122, a plurality of first guide wheels 123 and two first positioning blocks 124; the mounting plate 121 is arranged above the floating tensioning wheel assembly 11 and is fixedly arranged on the welding strip unwinding rack; one end of the first guide wheel shaft 122 is fixedly arranged on the mounting plate 121 in a transverse direction; the plurality of first guide wheels 123 are sequentially and rotatably arranged on the first guide wheel shaft 122; the two first positioning blocks 124 are respectively arranged at the two ends of the plurality of first guide wheels 123, and cooperate to adjust and position the positions of the plurality of first guide wheels 123 on the first guide wheel shaft 122, and the number of the first guide wheels 123 is adjusted according to the number of grid lines. In the embodiment, the structure of the second guide wheel assembly 14 is the same as that of the first guide wheel assembly 12, and thus the specific structure is not described here.

[0034] As shown in Figure 1 and Figure 5 As shown, in the embodiment, the intermediate guide wheel assembly 13 includes a mounting seat 131, a second guide wheel shaft 132, a plurality of second guide wheels 133 and two second positioning blocks 134; the mounting seat 131 is fixedly arranged on the upper end of the floating tensioning wheel assembly 11; the second guide wheel shaft 132 is fixedly arranged on the mounting seat 131; the plurality of second guide wheels 133 are sequentially and rotatably arranged on the second guide wheel shaft 132; the two second positioning blocks 134 are respectively arranged at the two ends of the plurality of second guide wheels 133, and cooperate to adjust and position the positions of the plurality of second guide wheels 133 on the second guide wheel shaft 132, and the number of the second guide wheels 133 is adjusted according to the number of grid lines.

[0035] The utility model relates to a series connection machine, which comprises a welding strip feeding device, the welding strip feeding device comprises the welding strip floating tensioning mechanism 10 of any one of the above,

[0036] The series connection machine further comprises a battery piece gluing device, a battery piece conveying device, a battery piece carrying device, a welding strip laying device, and a battery piece and welding strip series connection device.

[0037] The battery piece gluing device performs gluing operation on the battery piece; the battery piece conveying device performs conveying operation on the glued battery piece; the battery piece carrying device carries the glued battery piece at the output end of the battery piece conveying device to the input end of the battery piece and welding strip series connection device; the welding strip feeding device places a welding strip roll to provide the welding strip required for battery string welding; and the welding strip laying device lays a welding strip of a predetermined length on the glued battery piece at the input end of the battery piece and welding strip series connection device.

[0038] It should be noted that the specific working process of the welding strip floating tensioning mechanism and the series connection machine is as follows: the single grid line welding strip is sequentially pulled and conveyed through the first guide wheel assembly 12, the first floating tensioning wheel 113, the middle guide wheel assembly 13, and the second guide wheel assembly 14; the double grid line welding strip is sequentially pulled and conveyed through the first guide wheel assembly 12, the middle guide wheel assembly 13, the second floating tensioning wheel 114, and the second guide wheel assembly 14; the plurality of linear guide rails 112 are arranged on the front and back surfaces of the supporting mechanism 111 according to the number of grid lines, wherein the single grid line is evenly arranged on the front surface of the supporting mechanism 111 with a 2-fold grid spacing, the double grid line is evenly arranged on the back surface of the supporting mechanism 111 with a 2-fold grid spacing, the linear guide rail 112 arranged on the back surface of the supporting mechanism 111 is staggered from the linear guide rail 112 arranged on the front surface of the supporting mechanism 111 by a grid spacing; the corresponding welding strip is driven to float up and down by the weight of the first floating tensioning wheel 113 and the second floating tensioning wheel 114, thereby achieving the buffering of the welding strip length and the constraint of the welding strip bounce; meanwhile, a counterweight of a certain mass is arranged on the first floating tensioning wheel 113 and the second floating tensioning wheel 114 to provide a constant pressure for the welding strip during traction, so that the welding strip cannot jump out of the guide groove during the traction process, and after each traction is completed, the welding strip can be buffered with a certain length at this position to prepare for the next traction.

[0039] The technical features of the above-described embodiments can be combined in any manner. To make the description concise, not all possible combinations of the technical features in the embodiments are described, but as long as the combinations of the technical features do not contradict, they should be considered within the scope of the present disclosure.

[0040] The above-described embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but can not therefore be understood as the limitation of the utility model patent range. It should be pointed out that for ordinary skilled person in the art, without departing from the utility model concept, several modifications and improvements can be made, which belong to the protection range of the utility model. Therefore, the protection range of the utility model patent should be subject to the appended claims.

Claims

1. A strip floating tensioning mechanism, characterized in that The application relates to a floating tension wheel assembly. The application relates to a floating tension wheel assembly. The application relates to a floating tension wheel assembly. The application relates to a floating tension wheel assembly. The application relates to a floating tension wheel assembly. The application relates to a floating tension wheel assembly.

2. A strip floating tensioning mechanism according to claim 1, characterized in that The application relates to a floating tension wheel assembly.

3. A strip floating tensioning mechanism according to claim 2, characterized in that The application relates to a floating tension wheel assembly.

4. A strip floating tensioning mechanism according to claim 1, characterized in that The application relates to a floating tension wheel assembly.

5. A strip floating tensioning mechanism according to claim 4, characterized in that The application relates to a floating tension wheel assembly.

6. A strip floating tensioning mechanism according to claim 4, characterized in that The application relates to a floating tension wheel assembly.

7. A strip floating tension mechanism according to claim 1, characterized in that The application relates to a floating tension wheel assembly.

8. A strip floating tension mechanism according to claim 1, characterized in that The application relates to a floating tension wheel assembly.

9. A strip floating tensioning mechanism according to claim 8, characterized in that The application relates to a floating tension wheel assembly.

10. A series connection machine characterized in that, The application relates to a floating tension wheel assembly. The application relates to a floating tension wheel assembly. The application relates to a floating tension wheel assembly. The application relates to a floating tension wheel assembly. The application relates to a floating tension wheel assembly. The application relates to a floating tension wheel assembly. The application relates to a floating tension wheel assembly. The application relates to a floating tension wheel assembly. The application relates to a floating tension wheel assembly. The application relates to a floating tension wheel assembly. The application relates to a floating tension wheel assembly. The application relates to a floating tension wheel assembly. The application relates to a floating tension wheel assembly. The application relates to a floating tension wheel assembly. The application relates to a floating tension wheel assembly. 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The application relates to a floating tension wheel The battery piece gluing device, the battery piece conveying device, the battery piece carrying device, the welding strip laying device and the battery piece welding strip series connection device are connected in series. The battery piece gluing device performs gluing operation on the battery piece; the battery piece conveying device performs conveying operation on the battery piece after gluing; the battery piece carrying device carries the battery piece after gluing at the output end of the battery piece conveying device to the input end of the battery piece welding strip series connection device; the welding strip feeding device places a welding strip roll to provide the welding strip required for battery string welding; and the welding strip laying device lays the welding strip of a predetermined length on the battery piece after gluing at the input end of the battery piece welding strip series connection device.

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