Automatic welding strip feeding device for solar photovoltaic module series welding machine

Abstract

The utility model discloses an automatic solder strip feeding device for a solar photovoltaic module series welding machine, which comprises a conveying mechanism arranged on the side surface of a feeding shaft of the series welding machine, limiting blocks are arranged on the surface of a transmission part of the conveying mechanism and are symmetrically arranged on two sides of the conveying mechanism, a solder strip coil is arranged between the limiting blocks, and the solder strip coil is arranged on the conveying mechanism. A lifting mechanism is arranged at the bottom of the conveying mechanism, and a transverse moving module installed in the same direction as the conveying mechanism is arranged at the bottom of the lifting mechanism. Through the welding strip conveying mechanism and the lifting mechanism, the welding strip coil needing to be replaced is conveyed to the position needing to be replaced by combining photoelectric irradiation of the vertical distance between the welding strip coil and the welding strip placing area, and the effect of reducing the replacement time is achieved by reducing the operation intensity of workers when the welding strip is lifted.

Description

Technical Field

[0001] This utility model relates to the field of photovoltaic module welding technology, and in particular to an automatic feeding device for welding strips in a solar photovoltaic module string welding machine. Background Technology

[0002] Solar cells are strung together into strings using welding ribbon. When the welding machine runs out of ribbon, it needs to be manually replaced. A single roll of welding ribbon typically weighs 10 kg, and the industry is increasingly using larger rolls weighing 12 kg or 14 kg, making manual replacement very labor-intensive. Due to space limitations within the welding machine, the ribbon mounting area is sometimes larger than an adult's height, making manual replacement inconvenient and posing significant installation hazards. The welding machine requires more than nine rolls of ribbon on one side, and manual replacement is time-consuming, impacting the welding cycle time. Utility Model Content

[0003] To address the aforementioned technical problems, an automatic ribbon feeding device for a solar photovoltaic module string welding machine is provided.

[0004] To achieve the above objectives, this utility model discloses an automatic feeding device for welding strips in a solar photovoltaic module string welding machine, including a conveying mechanism set on the side of the feeding shaft of the string welding machine. Limiting blocks are installed on the surface of the transmission component of the conveying mechanism. The limiting blocks are symmetrically arranged on both sides of the conveying mechanism. A welding strip roll is installed between the limiting blocks. A lifting mechanism is set at the bottom of the conveying mechanism. A transverse moving module is set at the bottom of the lifting mechanism and installed in the same direction as the conveying mechanism.

[0005] Furthermore, the conveying mechanism is a chain drive mechanism, and the transmission component is a chain structure.

[0006] Furthermore, the limiting block includes a connecting part installed on the surface of the transmission component and a baffle perpendicular to the connecting part, and an arc-shaped limiting groove is formed on the surface of the connecting part.

[0007] Furthermore, a fixing plate is connected to the side of the baffle near the feeding shaft, and a photoelectric switch is installed on the fixing plate. The photoelectric switch is electrically connected to the drive device of the conveying mechanism through a controller, and a detection plate is installed at the corresponding position directly below the feeding shaft.

[0008] Furthermore, the lifting mechanism includes a base installed on top of the transverse module, a drive unit is provided at the center of the top of the base, a support plate is connected to the output end of the drive unit, guide rods are installed at the four corners of the support plate, a top plate is connected to the top of the guide rods, and a receiving block is provided on the surface of the top plate along the length direction of the welding strip roll.

[0009] Furthermore, the receiving block has a structure with both ends protruding upwards and the middle recessed, used to receive the welding strip roll.

[0010] Furthermore, the drive unit is hydraulically driven or pneumatically driven.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: This utility model discloses an automatic feeding device for welding strips in a solar photovoltaic module string welding machine. Through the welding strip conveying mechanism and the lifting mechanism, and in combination with the vertical distance of the welding strip roll from the welding strip placement area to the welding strip roll that needs to be replaced, the device conveys the welding strip roll that needs to be replaced to the position that needs to be replaced. By reducing the labor intensity of personnel lifting the welding strip, the replacement time is reduced from 5 minutes to 3 minutes. The time for personnel to replace the welding strip is reduced from 0.3% to 0.2% of the defects and missed inspections produced by AI in the string inspection process, which reduces the rework pressure of subsequent processes. Attached Figure Description

[0012] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0014] Figure 2 This is a schematic diagram of the lifting structure of this utility model.

[0015] Figure 3 This is a schematic diagram of the installation position of the photoelectric switch of this utility model.

[0016] In the diagram: 1 is the feeding shaft; 2 is the conveying mechanism; 3 is the limiting block; 31 is the connecting part; 311 is the limiting groove; 32 is the baffle; 33 is the fixing plate; 34 is the photoelectric switch; 35 is the detection plate; 4 is the welding strip roll; 5 is the lifting mechanism; 51 is the base; 52 is the drive unit; 53 is the support plate; 54 is the guide rod; 55 is the top plate; 56 is the receiving block; 6 is the transverse movement module. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] One embodiment of this utility model is as follows: Figure 1As shown, limit blocks 3 are installed on the surface of the transmission components of the conveying mechanism 2. The limit blocks 3 are symmetrically arranged on both sides of the conveying mechanism 2, and a welding strip roll 4 is installed between the limit blocks 3. A lifting mechanism 5 is set at the bottom of the conveying mechanism 2, and a transverse module 6 is installed at the bottom of the lifting mechanism 5 in the same direction as the conveying mechanism 2. Through the welding strip conveying mechanism and the lifting mechanism, combined with photoelectric illumination of the vertical distance between the welding strip roll and the welding strip placement area, the welding strip roll that needs to be replaced is conveyed to the position that needs to be replaced. By reducing the labor intensity of personnel lifting the welding strip, the replacement time is reduced. This equipment is compatible with all conventional products on the market such as 10BB, 12BB, 16BB, and 18BB. It reduces the welding strip replacement time of the string welding machine from 5 minutes to 3 minutes. The fact that personnel have to replace the welding strip reduces the defective omission rate produced by AI in the string inspection process from 0.3% to 0.2%, reducing the rework pressure of subsequent processes.

[0019] Conveying mechanism 2 is a chain drive mechanism, with a chain structure as the transmission component. The chain drive mechanism can bear a large load and is suitable for conveying heavy welding strip coils. At the same time, the chain structure as the transmission component makes it easier to fix the limiting block on the chain surface. The conveying mechanism in the attached figure is a schematic diagram of the position structure and does not represent the length shown in the attached figure. Select the corresponding transmission component according to the actual production needs to assemble, which can achieve a load-bearing capacity of more than 30kg.

[0020] The limiting block 3 includes a connecting part 31 installed on the surface of the transmission component and a baffle 32 perpendicular to the connecting part 31. An arc-shaped limiting groove 311 is provided on the surface of the connecting part 31 to limit the welding strip roll during the conveying process and prevent the welding strip roll from shaking or falling during the movement.

[0021] like Figure 3 As shown, a fixed plate 33 is connected to the side of the baffle 32 near the feeding shaft 1. A photoelectric switch 34 is installed on the fixed plate 33. The photoelectric switch 34 is electrically connected to the drive device of the conveying mechanism 2 through the controller. A detection plate 35 is installed at the corresponding position directly below the feeding shaft. When the photoelectric switch detects the position of the feeding shaft at the top, it sends a signal to the controller, and the conveying mechanism stops rotating. At the same time, the horizontal moving module at the bottom drives the lifting mechanism to move to the position directly below the welding strip roll to prepare for lifting. The distance parameter between the photoelectric switch and the detection plate also provides the lifting height for the lifting mechanism.

[0022] like Figure 2As shown, the lifting mechanism 5 includes a base 51 installed on top of the transverse module 6. A drive unit 52 is set at the center of the top of the base 51. The output end of the drive unit 52 is connected to a support plate 53. Guide rods 54 are installed at the four corners of the support plate 53. A top plate 55 is connected to the top of the guide rods 54. A receiving block 56 is set on the surface of the top plate 55 along the length of the welding strip roll 4. Telescopic rods are installed on both sides of the drive unit and connected to the support plate to lift the welding strip roll. The guide rods are locked by the collar and bolts at the top of the support plate to adapt to loading operations at different heights.

[0023] The receiving block 56 has a structure with both ends protruding upwards and the middle recessed, and is used to receive the welding strip roll 4.

[0024] The drive unit 52 is either hydraulically driven or pneumatically driven.

[0025] The working principle of this embodiment is as follows: A welding strip roll is placed between two sets of limit blocks at corresponding positions on the conveying mechanism. The conveying mechanism drives the welding strip roll to move. When the photoelectric switch on the side of the limit block near the feeding shaft detects the detection plate at the bottom of the feeding shaft, the conveying mechanism stops working. The transverse module drives the lifting mechanism to move directly under the corresponding welding strip roll. The operator starts the drive unit, and the welding strip roll is lifted off the limit block and then raised to complete the lifting action. After being raised to the position, the operator manually checks whether the feeding shaft and the center of the welding strip roll are aligned. Then, the welding strip roll is pushed into the feeding shaft to complete the feeding.

[0026] Several points need to be clarified: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation," "connection," and "linkage" should be interpreted broadly, and can refer to mechanical or electrical connections, or internal connections between two components, or direct connections. Terms such as "upper," "lower," "left," and "right" are only used to indicate relative positional relationships, and the relative positional relationships may change when the absolute position of the described objects changes. Second, in this document, relational terms such as "first" and "second" are only used to distinguish one entity from another entity, and do not necessarily require or imply any such actual relationship or order between these entities.

[0027] The above examples are merely illustrative of this utility model and do not constitute a limitation on the scope of protection of this utility model. All designs that are the same as or similar to this utility model are within the scope of protection of this utility model.

Claims

1. An automatic feeding device for welding strips in a solar photovoltaic module string welding machine, comprising a conveying mechanism (2) disposed on the side of the feeding shaft (1) of the string welding machine, characterized in that, Limiting blocks (3) are installed on the surface of the transmission component of the conveying mechanism (2). The limiting blocks (3) are symmetrically arranged on both sides of the conveying mechanism (2). Welding strip rolls (4) are installed between the limiting blocks (3). A lifting mechanism (5) is provided at the bottom of the conveying mechanism (2). A transverse module (6) is installed at the bottom of the lifting mechanism (5) in the same direction as the conveying mechanism (2).

2. The automatic ribbon feeding device for a solar photovoltaic module string welding machine according to claim 1, characterized in that, The transmission mechanism (2) is a chain drive mechanism, and the transmission component is a chain structure.

3. An automatic ribbon feeding device for a solar photovoltaic module string welding machine according to claim 1, characterized in that, The limiting block (3) includes a connecting part (31) installed on the surface of the transmission component and a baffle (32) perpendicular to the connecting part (31). An arc-shaped limiting groove (311) is provided on the surface of the connecting part (31).

4. An automatic ribbon feeding device for a solar photovoltaic module string welding machine according to claim 3, characterized in that, A fixing plate (33) is connected to the side of the baffle (32) near the feeding shaft (1). A photoelectric switch (34) is installed on the fixing plate (33). The photoelectric switch (34) is electrically connected to the drive device of the conveying mechanism (2) through the controller. A detection plate (35) is installed directly below the feeding shaft.

5. An automatic ribbon feeding device for a solar photovoltaic module string welding machine according to claim 1, characterized in that, The lifting mechanism (5) includes a base (51) installed on the top of the transverse module (6). A drive unit (52) is provided at the center of the top of the base (51). A support plate (53) is connected to the output end of the drive unit (52). Guide rods (54) are installed at the four corners of the support plate (53). A top plate (55) is connected to the top of the guide rods (54). A receiving block (56) is provided on the surface of the top plate (55) along the length direction of the welding strip roll (4).

6. An automatic ribbon feeding device for a solar photovoltaic module string welding machine according to claim 5, characterized in that, The receiving block (56) has a structure with both ends protruding upwards and the middle recessed, and is used to receive the welding strip roll (4).

7. An automatic ribbon feeding device for a solar photovoltaic module string welding machine according to claim 5, characterized in that, The drive unit (52) is hydraulically driven or pneumatically driven.

Images