Manufacturing equipment for latticed photovoltaic welding strip

By introducing multiple calender rollers and calender components into the production equipment of grid-shaped photovoltaic welding tape, combined with the design of switching components, the problem of low yield of welding tape caused by no calender mechanism in existing equipment is solved, and efficient production of welding tape and improvement of yield is achieved.

CN222621504UActive Publication Date: 2025-03-14ZHEJIANG JINGYUAN PHOTOELECTRIC TECH CO LTD
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Patent Information

Application Number
CN202420150768.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-21
Publication Date
2025-03-14
Estimated Expiration
2034-01-21

AI Technical Summary

Technical Problem

There is no calendering mechanism in the existing production equipment, which leads to the problem of low yield in welding tape production.

Method used

A grid-shaped photovoltaic welding tape production equipment is designed, including multiple calender rollers and calender components. The calender rollers are driven to extrude the welding tape, and the extrusion position is adjusted by switching the components to avoid deformation of the calender rollers.

Benefits of technology

Through the arrangement of the calender assembly, the EVA between the weld tapes can be processed into different shapes, which improves the yield rate of the weld tapes; the arrangement of the switching components avoids deformation of the calender roll due to continuous extrusion, and ensures the yield rate of the weld tapes.

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Abstract

The utility model relates to the technical field of solder strip manufacturing, in particular to manufacturing equipment for a latticed photovoltaic solder strip, which comprises a solder strip manufacturing equipment body and a plurality of calendering rollers, the calendering rollers are arranged on the solder strip manufacturing equipment body, and the solder strip is extruded by the plurality of calendering rollers; the calendering assembly is arranged on the solder strip manufacturing equipment body, the calendering assembly drives a plurality of calendering rollers to rotate to extrude the solder strips, during use, EVA between the solder strips can be processed into different shapes through the arrangement of the calendering assembly, meanwhile, the yield of the solder strips is increased, and the production efficiency is improved. And by arranging the switching assembly, the situation that one position of the calendering roller is continuously used for extruding the welding strip, so that the calendering roller slightly deforms can be avoided, and it is guaranteed that the calendering roller does not deform due to continuous extrusion by changing the extrusion position of the calendering roller, so that the yield of the welding strip is not affected.
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Description

Technical Field

[0001] The utility model relates to the technical field of welding strip manufacturing, in particular to a manufacturing device for a grid-shaped photovoltaic welding strip. Background Art

[0002] Solder ribbon is a common conductive material used to connect various circuit boards in the manufacture of photovoltaic equipment. The processing of grid-shaped solder ribbon requires the steps of laying out, cutting, spraying, curing, and winding in the supporting production equipment. The ordinary grid-shaped solder ribbon equipment has a complex structure and is difficult to manufacture. The yield rate is low during equipment production, the overall production capacity is low, and the cost is also high. The ordinary grid-shaped solder ribbon equipment directly performs light curing after spraying EVA glue without calendering. Calendering is the first curing at the same time as plasticizing EVA. In addition, there is no calendering mechanism in the existing production equipment, which can only be applied to EVA films of a single plane shape and specification, and has a small scope of application. For this reason, we propose a production equipment for grid-shaped photovoltaic solder ribbon. Utility Model Content

[0003] A technical problem to be solved by the present application is that the existing production equipment has no calendering mechanism, resulting in a low yield problem during the production of welding strips.

[0004] In order to solve the above-mentioned technical problems, an embodiment of the present application provides a manufacturing device for a grid-shaped photovoltaic welding strip, including a welding strip manufacturing device body, and also including a calendering roller, wherein the calendering roller is arranged on the welding strip manufacturing device body, and the calendering roller is multiple, and the welding strip is extruded by multiple calendering rollers; a calendering assembly, wherein the calendering assembly is arranged on the welding strip manufacturing device body, and the calendering assembly drives multiple calendering rollers to rotate to extrude the welding strip; and a switching assembly, wherein the switching assembly is arranged on the calendering assembly, and the position of the calendering roller extruding the welding strip is adjusted by the switching assembly.

[0005] In some embodiments, the calendering assembly includes an extension piece arranged on the body of the welding strip production equipment, and the extension piece drives the calendering roller to extrude the welding strip. The extension piece is provided with a driving piece, and the driving piece drives the extension piece to work.

[0006] In some embodiments, the extension part includes mounting plates relatively arranged on both sides of the welding strip production equipment body, a mounting groove is opened on the mounting plate, a rotating shaft one is rotatably arranged on the mounting plate, the rotating shaft one is slidably connected to the calendering roller, and the rotating shaft one is rotatably connected to the mounting groove, a sliding block is slidably arranged in the mounting groove, a rotating shaft two is rotatably arranged on the sliding block, the rotating shaft two is connected to the calendering roller, the rotating shaft two is movably connected to the mounting groove, a plurality of extension grooves are arranged on the calendering roller, and an extrusion block used in conjunction with the extension grooves is arranged on the calendering roller.

[0007] In some embodiments, the driving member includes a driving shaft arranged on the mounting plate, the driving shaft is rotatably connected to the mounting groove, the driving shaft is connected to the rotating shaft 1, the rotating shaft 1 and the rotating shaft 2 are respectively provided with a transmission gear 1 and a transmission gear 2 that mesh with each other, a driving motor is arranged on the mounting plate, and the output end of the driving motor is connected to the driving shaft.

[0008] In some embodiments, the switching assembly includes a switching member arranged on the calendering roller, through which the position of the calendering roller to extrude the welding strip is adjusted, and a lifting member is arranged on the mounting plate, through which the welding strip is pushed out of the extension groove.

[0009] In some embodiments, the switching member includes a rotating tube rotatably arranged on the mounting plate, a pushing screw is arranged inside the rotating tube, the pushing screw is threadedly connected to the rotating tube, the pushing screw is movably connected to the mounting plate, a reset spring is sleeved on the rotating shaft, a reset plate is arranged on the reset spring, and the reset plate is slidably connected to the rotating shaft.

[0010] In some embodiments, the lifting member includes a power gear 1 arranged on a rotating tube, a positioning block is arranged on the mounting plate, a rotating shaft is rotatably arranged on the positioning block, a power gear 2 which engages with the power gear 1 is arranged on the rotating shaft, a lifting screw is rotatably arranged on the body of the welding strip making equipment, a lifting block is arranged on the lifting screw, the lifting block is threadedly connected to the lifting screw, a limiting rod is arranged on the lifting block, the limiting rod is slidably connected to the mounting plate, a push rod is arranged on the lifting block, a transmission pulley is arranged on the lifting screw and the rotating shaft, a transmission belt is arranged on the transmission pulley, a lifting screw is rotatably arranged in the mounting groove, the lifting screw penetrates the sliding block and is threadedly connected to the sliding block, the lifting screw passes through the side wall of the mounting groove and is rotatably connected to the side wall of the mounting groove, a lifting pulley is arranged on the lifting screw and the rotating shaft, and a lifting belt is arranged on the lifting pulley.

[0011] The utility model has at least the following beneficial effects: when the manufacturing equipment of this grid-shaped photovoltaic welding strip is in use, the EVA between the welding strips can be processed into different shapes through the setting of the calendering component, while the yield rate of the welding strip is improved, and the setting of the switching component can avoid continuously squeezing the welding strip with one position of the calendering roller, causing slight deformation of the calendering roller, and by changing the squeezing position of the calendering roller, it is ensured that the calendering roller will not be deformed due to continuous squeezing, thereby affecting the yield rate of the welding strip. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2This is a schematic diagram of the structure of the calendering component and the switching component of the utility model;

[0014] Figure 3 For this utility model Figure 2 Schematic diagram of the enlarged structure of the middle A area;

[0015] Figure 4 For this utility model Figure 2 Schematic diagram of the cross-section structure;

[0016] Figure 5 For this utility model Figure 2 Schematic diagram of explosion structure;

[0017] Figure 6 This is a structural schematic diagram of the second embodiment of the utility model.

[0018] In the figure: 1. welding strip making equipment body; 2. calendering roller; 3. calendering assembly; 4. extension piece; 41. mounting plate; 42. mounting slot; 43. sliding block; 44. rotating shaft one; 45. rotating shaft two; 46. extension slot; 47. extrusion block; 5. driving piece; 51. driving shaft; 52. transmission gear one; 53. transmission gear two; 54. driving motor; 6. switching assembly; 7. switching piece; 71. rotating tube; 72. pushing screw rod; 73. reset spring; 74. reset plate; 8. lifting piece; 81. power gear one; 82. positioning block; 83. rotating shaft; 84. power gear two; 85. lifting screw rod; 86. lifting block; 87. limiting rod; 88. pushing rod; 89. driving pulley; 810. driving belt; 811. lifting screw rod; 812. lifting pulley; 813. lifting belt; 9. protective cover. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0020] See also Figure 1-5 , the utility model provides a technical solution:

[0021] A grid-shaped photovoltaic welding strip manufacturing device includes a welding strip manufacturing device body 1, and also includes: a calendering roller 2, wherein the calendering roller 2 is arranged on the welding strip manufacturing device body 1, and the calendering roller 2 is multiple, and the welding strip is extruded by multiple calendering rollers 2, and the EVA insulating glue on the welding strip is first morphologically calendered by the calendering roller 2 and the calendering roller 2, wherein the calendering roller 2 is a flat roller, and the plane below the EVA is finalized, and the calendering roller 2 can be customized into different shapes according to different needs.

[0022] The calendering assembly 3 is arranged on the welding strip production equipment body 1. The calendering assembly 3 drives multiple calendering rollers 2 to rotate to extrude the welding strip. The setting of the calendering assembly 3 enables the EVA between the welding strips to be processed into different shapes, while improving the yield rate of the welding strip.

[0023] The switching component 6 is arranged on the calendering component 3. The position of the calendering roller 2 for extruding the welding strip is adjusted by the switching component 6. The setting of the switching component 6 can avoid continuously extruding the welding strip with one position of the calendering roller 2, which causes slight deformation of the calendering roller 2. By changing the extrusion position of the calendering roller 2, it is ensured that the calendering roller 2 will not be deformed due to continuous extrusion, thereby affecting the yield rate of the welding strip.

[0024] The calendering assembly 3 includes an extension piece 4 arranged on the welding strip production equipment body 1, and the extension piece 4 drives the calendering roller 2 to extrude the welding strip. The extension piece 4 is provided with a driving piece 5, and the driving piece 5 drives the extension piece 4 to work.

[0025] The extension member 4 includes mounting plates 41 relatively arranged on both sides of the welding strip production equipment body 1, the mounting plates 41 are provided with mounting grooves 42, a rotating shaft 44 is rotatably arranged on the mounting plates 41, the rotating shaft 44 is slidably connected to the calendering roller 2, and the rotating shaft 44 is rotatably connected to the mounting groove 42, a sliding block 43 is slidably arranged in the mounting groove 42, a rotating shaft 2 45 is rotatably arranged on the sliding block 43, the rotating shaft 2 45 is connected to the calendering roller 2, and the rotating shaft 2 45 is movably connected to the mounting groove 42, so that The calendering roller 2 is provided with a plurality of extension grooves 46, and the calendering roller 2 is provided with an extrusion block 47 used in conjunction with the extension grooves 46. The advantage of the setting of the extension piece 4 is that the EVA insulating glue on the welding strip is subjected to the first morphological calendering by the calendering roller 2 and the calendering roller 2. The calendering roller 2 is a flat roller, which performs plane shaping on the lower side of the EVA. The calendering roller 2 can be customized into different shapes according to different needs. At the same time, the setting of the extension grooves 46 can prevent the welding strip from deviating during the extrusion process, affecting the final welding strip winding and the integrity of the morphological calendering of the EVA insulating glue on the welding strip.

[0026] The driving member 5 includes a driving shaft 51 arranged on the mounting plate 41, and the driving shaft 51 is rotatably connected to the mounting groove 42. The driving shaft 51 is connected to the rotating shaft 1 44. The rotating shaft 1 44 and the rotating shaft 2 45 are respectively provided with a transmission gear 1 52 and a transmission gear 2 53 that mesh with each other. A driving motor 54 is arranged on the mounting plate 41, and the output end of the driving motor 54 is connected to the driving shaft 51.

[0027] When the welding strip is being rolled, the driving motor 54 is started, and the driving motor 54 drives the driving shaft 51 to rotate, and synchronously drives the rotating shaft 44 connected to the driving shaft 51 to rotate, and drives the rolling roller 2 arranged on the rotating shaft 44 to rotate. The rotation of the rotating shaft 44 drives the transmission gear 52 arranged thereon to rotate, and synchronously drives the transmission gear 2 53 engaged therewith to rotate. The rotation of the transmission gear 2 53 drives the rotating shaft 2 45 to rotate. The rotation of the rotating shaft 2 45 drives the rolling roller 2 arranged thereon to rotate synchronously, so as to extrude the welding strip located between the two rolling rollers 2.

[0028] The switching assembly 6 includes a switching member 7 arranged on the calendering roller 2, and the position of the calendering roller 2 extruding the welding strip is adjusted by the switching member 7. The mounting plate 41 is provided with a lifting member 8, and the welding strip is pushed out of the extension groove 46 by the lifting member 8.

[0029] The switching member 7 includes a rotating tube 71 rotatably arranged on the mounting plate 41, a pushing screw 72 is arranged in the rotating tube 71, the pushing screw 72 is threadedly connected to the rotating tube 71, the pushing screw 72 is movably connected to the mounting plate 41, a reset spring 73 is sleeved on the rotating shaft 44, a reset plate 74 is arranged on the reset spring 73, and the reset plate 74 is slidably connected to the rotating shaft 44. The setting of the switching component 6 can avoid continuously squeezing the welding strip with one position of the calendering roller 2, resulting in slight deformation of the calendering roller 2. By changing the extrusion position of the calendering roller 2, it is ensured that the calendering roller 2 will not be deformed due to continuous squeezing, thereby affecting the yield rate of the welding strip.

[0030] The lifting member 8 includes a power gear 81 arranged on the rotating tube 71, a positioning block 82 is arranged on the mounting plate 41, a rotating shaft 83 is rotatably arranged on the positioning block 82, a power gear 84 engaged with the power gear 81 is arranged on the rotating shaft 83, a lifting screw 85 is rotatably arranged on the welding strip production equipment body 1, a lifting block 86 is arranged on the lifting screw 85, the lifting block 86 is threadedly connected to the lifting screw 85, a limiting rod 87 is arranged on the lifting block 86, the limiting rod 87 is slidably connected to the mounting plate 41, a push rod 88 is arranged on the lifting block 86, and the lifting screw 8 5 and a rotating shaft 83 are provided with a transmission pulley 89, and a transmission belt 810 is provided on the transmission pulley 89. A lifting screw 811 is rotatably provided in the mounting groove 42, and the lifting screw 811 penetrates the sliding block 43 and is threadedly connected thereto, and the lifting screw 811 passes through the side wall of the mounting groove 42 and is rotatably connected to the side wall of the mounting groove 42. A lifting pulley 812 is provided on the lifting screw 811 and the rotating shaft 83, and a lifting belt 813 is provided on the lifting pulley 812. The setting of the lifting member 8 makes it possible to synchronously lift the calendering roller 2 and the welding belt when the extrusion position is adjusted to prevent the welding belt from affecting the movement of the calendering roller 2.

[0031] When it is necessary to adjust the extrusion position of the calendering roller 2 on the welding strip, first turn off the driving motor 54, then rotate the rotating tube 71 to drive the pushing screw 72 to move, and further push the calendering roller 2 to move. At the same time, when the rotating tube 71 rotates, it drives the power gear 1 81 arranged thereon to rotate, and synchronously drives the rotating shaft 83 to rotate synchronously through the power gear 2 84 engaged therewith, and further controls the lifting screw 811 to rotate through the lifting pulley 812 and the lifting belt 813 arranged on the lifting screw 811 and the rotating shaft 83, and synchronously drives the lifting screw 811 to rotate. The sliding block 43 threadably connected to the lifting screw 811 rises, and the sliding block 43 rises, driving the calendering roller 2 arranged thereon to rise synchronously, and synchronously driving the extrusion block 47 to disengage from the extension groove 46. While the rotating shaft 83 rotates, the lifting screw 85 is driven to rotate by the transmission pulley 89 and the transmission belt 810 arranged on the rotating shaft 83 and the lifting screw 85, and synchronously drives the lifting block 86 threadably connected to the lifting screw 85 to move. The movement of the lifting block 86 drives the push rod 88 arranged thereon to move upward, and synchronously pushes the welding strip out of the extension groove 46.

[0032] When in use, when the welding strip is being rolled, the driving motor 54 is started, and the driving motor 54 drives the driving shaft 51 to rotate, and synchronously drives the rotating shaft 44 connected to the driving shaft 51 to rotate, and drives the rolling roller 2 arranged on the rotating shaft 44 to rotate. The rotation of the rotating shaft 44 drives the transmission gear 52 arranged thereon to rotate, and synchronously drives the transmission gear 2 53 engaged therewith to rotate. The rotation of the transmission gear 2 53 drives the rotating shaft 2 45 to rotate. The rotation of the rotating shaft 2 45 drives the rolling roller 2 arranged thereon to rotate synchronously, so as to extrude the welding strip located between the two rolling rollers 2.

[0033] When it is necessary to adjust the extrusion position of the calendering roller 2 on the welding strip, first turn off the driving motor 54, then rotate the rotating tube 71 to drive the pushing screw 72 to move, and further push the calendering roller 2 to move. At the same time, when the rotating tube 71 rotates, it drives the power gear 1 81 arranged thereon to rotate, and synchronously drives the rotating shaft 83 to rotate synchronously through the power gear 2 84 engaged therewith, and further controls the lifting screw 811 to rotate through the lifting pulley 812 and the lifting belt 813 arranged on the lifting screw 811 and the rotating shaft 83, and synchronously drives the lifting screw 811 to rotate. The sliding block 43 threadably connected to the lifting screw 811 rises, and the sliding block 43 rises, driving the calendering roller 2 arranged thereon to rise synchronously, and synchronously driving the extrusion block 47 to disengage from the extension groove 46. While the rotating shaft 83 rotates, the lifting screw 85 is driven to rotate by the transmission pulley 89 and the transmission belt 810 arranged on the rotating shaft 83 and the lifting screw 85, and synchronously drives the lifting block 86 threadably connected to the lifting screw 85 to move. The movement of the lifting block 86 drives the push rod 88 arranged thereon to move upward, and synchronously pushes the welding strip out of the extension groove 46. Example

[0034] See also Figure 6 The present invention provides a technical solution, wherein a protective shell 9 is provided on the welding strip production equipment body 1, and the setting of the protective shell 9 can protect the power gear 1 81 and the power gear 2 84, thereby extending the service life of the power gear 1 81 and the power gear 2 84.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for manufacturing a grid-shaped photovoltaic welding ribbon, comprising a welding ribbon manufacturing device body (1), characterized in that: Also includes: A calendering roller (2), wherein the calendering roller (2) is arranged on a welding strip manufacturing device body (1), and there are a plurality of calendering rollers (2), and the welding strip is extruded by the plurality of calendering rollers (2); A calendering assembly (3), wherein the calendering assembly (3) is arranged on a welding strip production device body (1), and the calendering assembly (3) drives a plurality of calendering rollers (2) to rotate to extrude the welding strip; A switching component (6), wherein the switching component (6) is arranged on the calendering component (3), and the position of the calendering roller (2) for extruding the welding strip is adjusted by the switching component (6).

2. The manufacturing equipment of the grid-shaped photovoltaic welding ribbon according to claim 1 is characterized in that: The calendering assembly (3) comprises an extension piece (4) arranged on a welding strip manufacturing device body (1), and the extension piece (4) drives the calendering roller (2) to extrude the welding strip. The extension piece (4) is provided with a driving piece (5), and the driving piece (5) drives the extension piece (4) to work.

3. The manufacturing equipment of the grid-shaped photovoltaic welding ribbon according to claim 2 is characterized in that: The extension member (4) comprises a mounting plate (41) arranged on both sides of the welding strip manufacturing equipment body (1) relative to each other, a mounting groove (42) being provided on the mounting plate (41), a rotating shaft (44) being rotatably provided on the mounting plate (41), the rotating shaft (44) being slidably connected to the calendering roller (2), and the rotating shaft (44) being rotatably connected to the mounting groove (42), a sliding block (43) being slidably provided in the mounting groove (42), a rotating shaft (45) being rotatably provided on the sliding block (43), the rotating shaft (45) being connected to the calendering roller (2), the rotating shaft (45) being movably connected to the mounting groove (42), a plurality of extension grooves (46) being provided on the calendering roller (2), and an extrusion block (47) being used in conjunction with the extension grooves (46) being provided on the calendering roller (2).

4. The manufacturing device of the grid-shaped photovoltaic welding ribbon according to claim 3 is characterized in that: The driving member (5) comprises a driving shaft (51) arranged on the mounting plate (41), the driving shaft (51) being rotatably connected to the mounting groove (42), the driving shaft (51) being connected to a first rotating shaft (44), the first rotating shaft (44) and the second rotating shaft (45) being respectively provided with a first transmission gear (52) and a second transmission gear (53) meshing with each other, the mounting plate (41) being provided with a driving motor (54), the output end of the driving motor (54) being connected to the driving shaft (51).

5. The manufacturing equipment of the grid-shaped photovoltaic welding ribbon according to claim 4 is characterized in that: The switching assembly (6) comprises a switching member (7) arranged on the calendering roller (2), and the position of the calendering roller (2) extruding the welding strip is adjusted by the switching member (7). The mounting plate (41) is provided with a lifting member (8), and the welding strip is pushed out of the extension groove (46) by the lifting member (8).

6. The manufacturing device for the grid-shaped photovoltaic welding ribbon according to claim 5, characterized in that: The switching member (7) comprises a rotating tube (71) rotatably arranged on the mounting plate (41), a pushing screw (72) being arranged in the rotating tube (71), the pushing screw (72) being threadedly connected to the rotating tube (71), the pushing screw (72) being movably connected to the mounting plate (41), a return spring (73) being sleeved on the rotating shaft (44), a return plate (74) being arranged on the return spring (73), and the return plate (74) being slidably connected to the rotating shaft (44).

7. The manufacturing device for the grid-shaped photovoltaic welding ribbon according to claim 6, characterized in that: The lifting member (8) comprises a power gear 1 (81) arranged on the rotating tube (71); a positioning block (82) is arranged on the mounting plate (41); a rotating shaft (83) is rotatably arranged on the positioning block (82); a power gear 2 (84) engaged with the power gear 1 (81) is arranged on the rotating shaft (83); a lifting screw (85) is rotatably arranged on the welding strip production equipment body (1); a lifting block (86) is arranged on the lifting screw (85); the lifting block (86) is threadedly connected to the lifting screw (85); a limiting rod (87) is arranged on the lifting block (86); the limiting rod (87) is slidably connected to the mounting plate (41). The lifting block (86) is provided with a push rod (88), the lifting screw rod (85) and the rotating shaft (83) are provided with a transmission pulley (89), the transmission pulley (89) is provided with a transmission belt (810), a lifting screw rod (811) is rotatably provided in the installation groove (42), the lifting screw rod (811) passes through the sliding block (43) and is threadedly connected thereto, the lifting screw rod (811) passes through the side wall of the installation groove (42) and is rotatably connected to the side wall of the installation groove (42), the lifting screw rod (811) and the rotating shaft (83) are provided with a lifting pulley (812), and the lifting belt (813) is provided on the lifting pulley (812).