CN202296563U - Axle-mounted photovoltaic welding strip micro-tension take-up device - Google Patents

Abstract

The utility model discloses a shaft-mounted photovoltaic welding belt micro-tension wire take-up device in the field of solar photovoltaic modules, which comprises a guide rod installed on a frame, and a motor seat is slidably arranged on the guide rod. The cable motors are connected together, the cable motor is installed on the frame, the winding motor is installed on the motor base, and the output shaft of the winding motor is relatively fixed with an I-shaped wheel, and the photovoltaic ribbon is wound on the I-shaped wheel through the guide wheel , There is a tension wheel between the guide wheel and the I-shaped wheel, a tension sensor is installed at the end of the tension wheel, and an encoder is connected to the winding motor. , the tension sensor is used to monitor the tension on the line in real time, thereby realizing the control of the tension, reducing the non-proportional plastic extension strength, making the winding tight and tight, and the lateral bending is small. At the same time, the manufacturing process is shortened, and it can be used for the collection of photovoltaic ribbons. line process.

Description

A shaft-mounted photovoltaic ribbon micro-tension take-up device

technical field

The utility model relates to a solar photovoltaic module, in particular to a photovoltaic welding ribbon take-up device.

Background technique

With the increasing automation of solar photovoltaic module production, the demand for reel-mounted ribbons is increasing, and the requirements for the yield strength of ribbons are becoming more and more stringent. This has higher and higher requirements on the take-up device of the welding strip.

Looking at the current production equipment for shaft-mounted welding ribbons, torque motors are generally used to take up the wires, and the wires are arranged in a linear way. After the wires are taken up, they are rewound again to form a finished product. Its disadvantages are that the process of this method is long, it is difficult to control the non-proportional plastic elongation strength of the welding strip, the tightness of the winding is inconsistent, and the lateral bending is relatively large.

Utility model content

The purpose of this utility model is to provide a micro-tension wire take-up device for shaft-mounted photovoltaic ribbons, which shortens the manufacturing process, effectively controls the tension of the take-up wire, reduces the non-proportional plastic extension strength, and makes the take-up wire tight and consistent, with lateral bending Small.

The purpose of this utility model is achieved in the following way: a shaft-mounted photovoltaic welding ribbon micro-tension wire take-up device includes a guide rod installed on the frame, and a motor seat is slidably arranged on the guide rod. The wiring motors are connected together, the wiring motor is installed on the frame, the winding motor is installed on the motor seat, the I-shaped wheel is relatively fixed on the output shaft of the winding motor, and the photovoltaic welding ribbon is wound on the working surface through the guide wheel. On the character wheel, a tension wheel is arranged between the guide wheel and the I-shaped wheel, a tension sensor is arranged at the end of the tension wheel, and an encoder is connected to the winding motor.

When the utility model works, the welding ribbon enters the tension wheel through the guide wheel, and then enters the I-shaped wheel from the tension wheel, and is wound on the I-shaped wheel under the drive of the winding motor, and the tension sensor arranged on the tension wheel transmits the tension signal It is sent to the PLC to compare with the set value, so as to control the speed of the winding motor and realize the control of the tension. The winding motor controls the rotation of the screw, so that the motor seat moves along the axial direction of the screw, and realizes that the welding ribbon is on the I-shaped wheel. Compared with the prior art, the utility model has the beneficial effect that the device takes up the wire through the winding motor, and the wire winding motor shaft moves the wire, and uses a tension sensor to monitor the tension on the wire in real time, thereby realizing the Tension control reduces the non-proportional plastic elongation strength, makes the take-up wire tight and consistent, and the lateral bending is small. At the same time, the manufacturing process is shortened. The encoder is used to detect the speed of the I-shaped wheel, and the pulse signal is controlled by the servo controller. The motor makes it run synchronously with the winding motor, making the winding process more accurate. The utility model can be used in the winding-up process of the photovoltaic welding strip.

In order to further control the tension, a winding wheel is arranged between the tension wheel and the I-shaped wheel.

In order to facilitate timely and quick control of the speeds of the wire-arranging motor and the wire-winding motor, the wire-arranging motor is a servo motor, and the wire-winding motor is a permanent magnet DC motor.

As a further improvement of the utility model, there are three tension wheels. Simplified its structure.

Description of drawings

Fig. 1 is the structural representation of the utility model.

FIG. 2 is a top view of FIG. 1 .

Among them, 1 welding belt, 2 guide wheels, 3 tension wheels, 4 winding wheels, 5 screw rods, 6 I-shaped wheels, 7 motor seats, 8 guide rods, 9 cable motors, 10 racks, 11 winding motors, 12 encoders, 13 tension sensors.

Detailed ways

As shown in Figure 1-2, a shaft-mounted photovoltaic ribbon micro-tension take-up device includes a guide rod 8 installed on the frame 10, and a motor base 7 is slidably arranged on the guide rod 8, and the motor base 7 passes through the screw rod. 5 is connected with the cable motor 9, the cable motor 9 is installed on the frame 10, the motor base 7 is equipped with a winding motor 11, and the output shaft of the winding motor 11 is relatively fixed with an I-shaped wheel 6, a photovoltaic ribbon 1 Winding on the I-shaped wheel 6 through the guide wheel 2, three tension wheels 3 are arranged between the guide wheel 2 and the I-shaped wheel 6, and a winding wheel 4 is arranged between the tension wheel 3 and the I-shaped wheel 6, and the tension wheel The end of 3 is provided with a tension sensor 13, and an encoder 12 is also connected to the wire winding motor 11. The wire arranging motor 9 is a servo motor, and the wire winding motor 11 is a permanent magnet DC motor.

When the utility model works, the welding ribbon 1 enters the I-shaped wheel 6 through the guide wheel 2, the tension wheel 3, and the winding wheel 4, and is wound on the I-shaped wheel 6 under the power of the permanent magnet DC motor. At the same time, the servo motor Control the axial movement of the I-shaped wheel 6 along the guide rod 8 to complete the winding and arranging process of the welding ribbon 1 on the I-shaped wheel 6; the tension sensor 13 installed on the tension wheel 3 sends the tension signal to the PLC and sets Values are compared, so as to control the speed of the permanent magnet DC motor, and realize the control of the tension, thereby reducing the non-proportional plastic elongation strength, making the take-up tight and consistent, and the lateral bending is small. The encoder 12 is used to detect the speed of the I-shaped wheel 6 , the pulse signal controls the servo motor through the servo controller to make it run synchronously with the permanent magnet DC motor, making the winding process more accurate.

The utility model is not limited to the above-mentioned embodiments. On the basis of the technical solutions disclosed in the utility model, those skilled in the art can make some technical features based on the disclosed technical content without creative work. Replacement and deformation, these replacements and deformations are all within the protection scope of the present utility model.

Claims (5)

1. A shaft-mounted photovoltaic ribbon micro-tension wire take-up device, characterized in that it includes a guide rod installed on the frame, and a motor seat is slidably arranged on the guide rod, and the motor seat is connected to the cable motor through a screw rod Together, the wire arrangement motor is installed on the frame, the winding motor is installed on the motor seat, and the I-shaped wheel is relatively fixed on the output shaft of the winding motor, and the photovoltaic welding ribbon is wound on the I-shaped wheel through the guide wheel. A tension wheel is arranged between the guide wheel and the I-shaped wheel, a tension sensor is arranged at the end of the tension wheel, and an encoder is also connected to the winding motor. 2. A shaft-mounted photovoltaic ribbon micro-tension take-up device according to claim 1, characterized in that a winding wheel is arranged between the tension wheel and the I-shaped wheel. 3. A shaft-mounted photovoltaic ribbon micro-tension wire take-up device according to claim 1 or 2, characterized in that, the wire arranging motor is a servo motor. 4. A shaft-mounted photovoltaic ribbon micro-tension take-up device according to claim 1 or 2, wherein the winding motor is a permanent magnet DC motor. 5. A shaft-mounted photovoltaic ribbon micro-tension take-up device according to claim 1 or 2, wherein there are three tension wheels.

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