Photovoltaic series production line

Abstract

The utility model discloses a photovoltaic cable series connection production line, which comprises a first extruder used for insulation extrusion and a second extruder used for sheath extrusion, the first extruder and the second extruder are arranged in a spaced manner, the first extruder and the second extruder are arranged in series, and the outer sides of the first extruder and the second extruder are respectively connected with a control part used for adjusting extrusion parameters. The output ends of the first extruder and the second extruder are respectively provided with a cooling part, a diameter measuring device capable of adjusting the glue outlet amount according to the outer diameter is arranged between the second extruder and the corresponding cooling part, the output end of the diameter measuring device is connected with the input end of the cooling part, and the diameter measuring device is connected with the corresponding control part. The first extruder and the second extruder are connected in series, so that the linkage between the first extruder and the second extruder is enhanced, the production speed of the first extruder and the second extruder can be switched at the same time, the first extruder and the second extruder are connected in series, an insulation extrusion process and a sheath extrusion process are combined, the overall production efficiency is improved, and the production cost is reduced. The utility model belongs to the technical field of cable production.

Description

Technical Field

[0001] The utility model belongs to the technical field of cable production, and more specifically relates to a photovoltaic cable series production line. Background Art

[0002] Photovoltaic cable is a special cable used in solar power generation systems. The cable has a simple structure. The low-smoke, halogen-free, flame-retardant polyolefin insulation and sheath materials used have excellent heat resistance, cold resistance, oil resistance, UV resistance, ozone resistance and weather resistance. It can be used under harsh environmental conditions and special occasions. Once a fire accident occurs, the flame spreads slowly, the smoke concentration is low, the visibility is high, and the release of harmful gases is small, which facilitates the evacuation of personnel and gives them more time to deal with the fire. In addition, the high-quality oxygen-free tinned copper conductor also ensures its superior conductivity.

[0003] Currently, the production of photovoltaic wires mostly divides the insulation layer and the sheath layer into two processes, so the overall production efficiency is low and it is difficult to meet market demand. Summary of the invention

[0004] The main purpose of the utility model is to provide a photovoltaic cable series production line that can improve the overall production efficiency.

[0005] In order to achieve the above object, the technical solution of the utility model is:

[0006] A photovoltaic cable series production line comprises a first extruder for insulation extrusion and a second extruder for sheath extrusion which are arranged at intervals, the first extruder and the second extruder are arranged in series, the outer sides of the first extruder and the second extruder are respectively connected to a control unit for adjusting extrusion parameters, the output ends of the first extruder and the second extruder are respectively provided with a cooling unit, a diameter measuring device which can adjust the glue output according to the outer diameter is provided between the second extruder and the corresponding cooling unit, the output end of the diameter measuring device is connected to the input end of the cooling unit, and the diameter measuring device is connected to the corresponding control unit.

[0007] In a specific embodiment of the present invention, the cooling unit comprises a cooling water tank and a line dividing wheel respectively arranged at an inlet end and an outlet end of the cooling water tank.

[0008] In a specific embodiment of the present invention, the depth of the cooling water tank is greater than the diameter of the produced cable.

[0009] In a specific embodiment of the utility model, a meter-counting and printing device is provided between the output end of the diameter measuring device and the corresponding cooling part, and the meter-counting and printing device comprises a meter-counting wheel and a printing wheel which are arranged at intervals.

[0010] In a specific embodiment of the present invention, the height of the printing wheel is set corresponding to the height of the production line.

[0011] In a specific embodiment of the utility model, a first wire take-up frame is provided at the input end of the first extruder, and a wire pay-off frame is provided at the output end of the first wire take-up frame, and the wire pay-off frame is connected to the input end of the first extruder.

[0012] In a specific embodiment of the present invention, the first wire take-up frame is a drum wire take-up frame.

[0013] In a specific embodiment of the present invention, a second wire take-up frame is further provided at the output end of the second extruder, and the second wire take-up frame is located at the outer side corresponding to the cooling part.

[0014] In a specific embodiment of the present invention, the second wire take-up frame is a double-head wire take-up frame.

[0015] In a specific embodiment of the utility model, the first extruder includes at least one extrusion screw and a transmission gear box arranged at one end of the extrusion screw, and the other end of the extrusion screw is provided with a first head, and the first head is an adjustable offset head.

[0016] One of the above technical solutions of the utility model has at least one of the following advantages or beneficial effects:

[0017] The utility model arranges a first extruder and a second extruder at intervals, and arranges control parts on the outsides of the first extruder and the second extruder respectively, and arranges a diameter measuring device that can adjust the glue output according to the outer diameter between the second extruder and the corresponding cooling part, and connects the diameter measuring device to the corresponding control part, thereby strengthening the linkage between the first extruder and the second extruder, and can achieve simultaneous switching of production speeds of the two devices, and by connecting the first extruder and the second extruder in series, the insulation extrusion process and the sheath extrusion process are merged, thereby improving the overall production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0019] Figure 1 It is an overall schematic diagram of an embodiment of the utility model. DETAILED DESCRIPTION

[0020] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions from beginning to end. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0021] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0022] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0023] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more features.

[0024] In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the term "connection" should be understood in a broad sense. For example, it can be a fixed connection or a movable connection, a detachable connection or a non-detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or mutual communication; it can be a direct connection, or an indirect connection through an intermediate medium, and it can be internal connection between two elements, indirect connection, or an interactive relationship between two elements.

[0025] The following disclosure provides many different embodiments or examples for implementing different solutions of the present invention.

[0026] Reference Figure 1 As shown, a photovoltaic cable series production line includes a first extruder 1 for insulation extrusion and a second extruder 2 for sheath extrusion, which are arranged at intervals. The output end of the first extruder 1 is connected to the input end of the second extruder 2, so that the first extruder 1 and the second extruder 2 are arranged in series.

[0027] In one embodiment of the utility model, the first extruder 1 is a φ70 extruder, the second extruder 2 is a φ90 extruder, the first extruder 1 includes an extrusion screw, a driving device is provided at one end of the extrusion screw, a transmission gear box is provided at the output end of the driving device, a first head is provided at the other end of the extrusion screw, and a feed port is provided between the extrusion screw and the driving device.

[0028] In one embodiment of the utility model, a barrel is sleeved on the outer side of the extrusion screw, the first head is an adjustable offset head, a mold core and a mold sleeve are arranged in the first head, and the mold sleeve is located at the outlet of the first head, the output end of the transmission gear box is connected to the extrusion screw, and four heating devices are sleeved outside the barrel, and the heating devices can keep the cable material in the barrel in a molten state.

[0029] In one embodiment of the utility model, the outer sides of the first extruder 1 and the second extruder 2 are respectively connected to a control unit 3 for adjusting extrusion parameters, the control unit 3 includes a temperature control cabinet and a main motor controller, and a control knob for controlling the first extruder 1 is added to the control panel of the second extruder 2, thereby strengthening the linkage between the first extruder 1 and the second extruder 2, and enabling the two devices to switch production speeds at the same time.

[0030] In one embodiment of the utility model, a cooling part 4 is respectively provided at the output end of the first extruder 1 and the second extruder 2, and the cooling part 4 includes a cooling water trough 41 and a wire dividing wheel 42 respectively arranged at the inlet end and the outlet end of the cooling water trough 41, wherein the depth of the cooling water trough 41 is greater than the diameter of the produced cable, so that the cooling wire core can be explosively covered without scratching the wire core.

[0031] In one embodiment of the utility model, a diameter measuring device 5 which can adjust the glue output amount according to the outer diameter is provided between the second extruder 2 and the corresponding cooling part 4, the output end of the diameter measuring device 5 is connected to the input end of the cooling part 4, the diameter measuring device 5 is connected to the corresponding control part 3, and the diameter measuring device 5 is a digital diameter gauge with a communication function.

[0032] In one embodiment of the utility model, a meter-counting and printing device 6 is provided between the output end of the diameter measuring device 5 and the corresponding cooling part 4. The meter-counting and printing device 6 includes a meter-counting wheel, a printing wheel and a speed encoder arranged at intervals. The meter-counting wheel is a rubber-coated wheel with a diameter of 318 mm, and each meter-counting unit of 1, 2, and 3 is continuously accumulated. The speed encoder is RVI58, with a pulse number of 50,000 and a maximum speed of 1200RPM. The height of the printing wheel is set corresponding to the height of the production line to maintain matching.

[0033] In one embodiment of the utility model, a first wire take-up frame 7 is provided at the input end of the first extruder 1, and a second wire take-up frame 9 is provided at the output end of the second extruder 2, and the second wire take-up frame 9 is located on the outside of the corresponding cooling part 4, wherein the first wire take-up frame 7 is a drum wire take-up frame, and the second wire take-up frame 9 is a double-head wire take-up frame, and a pay-off frame 8 is provided at the output end of the first wire take-up frame 7, and the pay-off frame 8 is connected to the input end of the first extruder 1.

[0034] In one embodiment of the utility model, a tension frame 11 and a flame detector 12 are provided between the first extruder 1 and the second extruder 2. The tension frame 11 can adjust the friction force by the pressing force, thereby controlling the damping force. In addition, dancing wheels 13 for ensuring the line speed and winding tension are provided at the input ends of the first extruder 1 and the second extruder 2, respectively. The position signal can be transmitted to the motor driver through the up and down movement of the dancing wheel 13, thereby changing the motor speed, thereby adjusting the winding speed, and ensuring that the speeds of the pay-off frame 8, the first take-up frame 7 and the second take-up frame 9 are synchronized with the speed of the production line.

[0035] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate 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 claims and their equivalents.

Claims

1. A photovoltaic cable series production line, characterized in that: The invention comprises a first extruder (1) for insulation extrusion and a second extruder (2) for sheath extrusion which are arranged at intervals, wherein the first extruder (1) and the second extruder (2) are arranged in series, and the outer sides of the first extruder (1) and the second extruder (2) are respectively connected to a control unit (3) for adjusting extrusion parameters, and the output ends of the first extruder (1) and the second extruder (2) are respectively provided with a cooling unit (4), and a diameter measuring device (5) which can adjust the glue output according to the outer diameter is provided between the second extruder (2) and the corresponding cooling unit (4), and the output end of the diameter measuring device (5) is connected to the input end of the cooling unit (4), and the diameter measuring device (5) is connected to the corresponding control unit (3).

2. The photovoltaic cable series production line according to claim 1, characterized in that: The cooling part (4) comprises a cooling water tank (41) and a line dividing wheel (42) respectively arranged at the inlet end and the outlet end of the cooling water tank (41).

3. The photovoltaic cable series production line according to claim 2, characterized in that: The depth of the cooling water tank (41) is greater than the diameter of the produced cable.

4. The photovoltaic cable series production line according to claim 1, characterized in that: A meter-counting and printing device (6) is provided between the output end of the diameter measuring device (5) and the corresponding cooling portion (4), and the meter-counting and printing device (6) comprises a meter-counting wheel and a printing wheel which are arranged at intervals.

5. The photovoltaic cable series production line according to claim 4, characterized in that: The height of the printing wheel is set corresponding to the height of the production line.

6. The photovoltaic cable series production line according to claim 1, characterized in that: The input end of the first extruder (1) is provided with a first wire take-up frame (7), and the output end of the first wire take-up frame (7) is provided with a wire pay-off frame (8), and the wire pay-off frame (8) is connected to the input end of the first extruder (1).

7. The photovoltaic cable series production line according to claim 6, characterized in that: The first wire take-up frame (7) is a drum wire take-up frame.

8. The photovoltaic cable series production line according to claim 1, characterized in that: The output end of the second extruder (2) is also provided with a second wire take-up frame (9), and the second wire take-up frame (9) is located on the outer side corresponding to the cooling part (4).

9. The photovoltaic cable series production line according to claim 8, characterized in that: The second wire take-up frame (9) is a double-head wire take-up frame.

10. The photovoltaic cable series production line according to claim 1, characterized in that: The first extruder (1) comprises at least one extrusion screw and a transmission gear box arranged at one end of the extrusion screw, and the other end of the extrusion screw is provided with a first head, and the first head is an adjustable offset head.

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