A pultrusion die angle adjusting device and a photovoltaic frame pultrusion production line

Abstract

The utility model discloses a kind of angle adjusting device of pultrusion mould and photovoltaic frame pultrusion production line, angle adjusting device of pultrusion mould includes: support;Joint bearing is arranged on support, and the outlet end of pultrusion mould is connected with joint bearing;Supporting arm is connected with pultrusion mould, and the outlet end of supporting arm is away from pultrusion mould;First drive mechanism is configured to drive supporting arm to move up and down;Second drive mechanism is configured to drive supporting arm to move left and right in horizontal direction.The scheme can realize the automatic adjustment of pultrusion mould angle, improve production efficiency and product quality stability.

Description

Technical Field

[0001] This utility model relates to the field of photovoltaic technology, and in particular to a pultrusion die angle adjustment device and a photovoltaic frame pultrusion production line. Background Technology

[0002] Composite photovoltaic frames are mainly composed of fiberglass yarn, felt, polymer resin, and coatings. They are an important component of photovoltaic modules, primarily used for installing, fixing, and sealing photovoltaic module cells. The main production method for composite photovoltaic frames is pultrusion. Raw materials such as fiberglass yarn and felt are gradually combed through yarn racks, dehumidifiers, felt racks, and preforming devices to the pultrusion die inlet. There, they are mixed with polymer resin (such as polyurethane) pumped by a glue injection machine. Under certain pressure and temperature conditions, the mixture is cured and molded. Powered by a traction machine, the molded frame product is continuously pulled out and then cut to a fixed length by a cutting machine based on measured length signals. The cut products then undergo inspection devices for appearance and straightness checks.

[0003] The straightness requirement for composite photovoltaic frames is crucial. When the straightness of the products produced during pultrusion deviates, various technical means are needed to adjust it and control the straightness within the acceptable range. Currently, adjusting the die position and changing the angle between the die exit and the traction machine inlet is a common practice. Existing pultrusion dies are typically installed and fixed using frame supports and bolts. Positioning and angle adjustment both require manual operation. During angle adjustment, the center position of the pultrusion die is not fixed, and the effect of each adjustment cannot be guaranteed. Furthermore, the pultrusion die needs to be repositioned for subsequent installations, and positioning deviations cannot be controlled. Because the pultrusion die requires high-temperature heating during pultrusion production, manual operation is extremely dangerous, and the uncertainty of manual operation can lead to positioning errors and low precision of the pultrusion die, seriously affecting production efficiency and product quality stability.

[0004] The information disclosed in this background section is only intended to enhance the understanding of the background technology of this application, and therefore may include prior art that is not known to those skilled in the art. Summary of the Invention

[0005] In response to the problems mentioned in the background art, this utility model proposes a pultrusion die angle adjustment device and a photovoltaic frame pultrusion production line, which realizes automatic adjustment of the pultrusion die angle, improves production efficiency and product quality stability.

[0006] To achieve the above-mentioned objectives, the present invention employs the following technical solution: In some embodiments of this application, a pultrusion die angle adjustment device is provided, comprising: support; A spherical bearing is provided, which is mounted on the bracket, and the outlet end of the pultrusion die is connected to the spherical bearing. A support arm, which is connected to the pultrusion die and is located away from the outlet end of the pultrusion die; A first drive mechanism is configured to drive the support arm to move up and down. A second drive mechanism is configured to drive the support arm to move left and right in the horizontal direction.

[0007] In some embodiments of this application, a limit stop ring is fixedly provided at the outlet end of the pultrusion die, and the limit stop ring is rotatably connected to the spherical bearing.

[0008] In some embodiments of this application, the first driving mechanism includes a first driving member, the power output end of the first driving member is connected to a first moving member, the first driving member is configured to drive the first moving member to move along a first horizontal direction, the first horizontal direction extends along the length direction of the pultrusion die, and the support arm is hinged to the first moving member.

[0009] In some embodiments of this application, the second driving mechanism includes a second driving member, the power output end of the second driving member is connected to a second moving member, the second driving member is configured to drive the second moving member to move along a second horizontal direction, the second horizontal direction being perpendicular to the length direction of the pultrusion die, and the first moving member is slidably disposed on the second moving member.

[0010] In some embodiments of this application, the second moving member is provided with a first sliding part, the first sliding part extends along the first horizontal direction, the first moving member is provided with a second sliding part, and the first sliding part and the second sliding part are slidably connected.

[0011] In some embodiments of this application, the second moving member is provided with a third sliding part, and the pultrusion die angle adjustment device further includes a base plate, the base plate is provided with a fourth sliding part, the fourth sliding part extends along the second horizontal direction, and the third sliding part is slidably connected to the fourth sliding part.

[0012] In some embodiments of this application, a photovoltaic frame pultrusion production line is also provided, including the pultrusion die angle adjustment device as described above.

[0013] In some embodiments of this application, a straightness detection device is also included, wherein the first drive mechanism and the second drive mechanism are configured to move according to the detection data of the straightness detection device.

[0014] Compared with the prior art, the advantages and positive effects of this utility model are: The pultrusion die angle adjustment device of this application supports the pultrusion die on the exit side of the pultrusion die through a spherical bearing. During installation, a limiting structure ensures that the center of the cavity on the exit end face of the pultrusion die coincides with the center of the spherical bearing, which serves as the center for die angle adjustment. Due to the centripetal nature of the spherical bearing, the position of this adjustment center will not change, completely eliminating the problem of center drift in traditional manual adjustment.

[0015] The pultrusion die is supported by a support arm on the inlet side. The support arm moves in four directions (front, back, left, and right) through the first and second drive mechanisms. This allows the pultrusion die to swing around the adjustment center in four directions (up, down, left, and right) to adjust the die angle without manual intervention, thus eliminating the safety hazards of manual operation in high-temperature environments.

[0016] When the mold is disassembled or adjusted in the future, there is no need to reposition and adjust the center. The preset center reference can be directly reused by simply connecting the spherical bearing to the standardized connection of the pultrusion mold outlet end. This greatly reduces the positioning deviation of the mold installation and solves the industry problem of needing to recalibrate every time the existing technology is installed and the deviation is uncontrollable. This lays the core foundation for the consistency and stability of the mold angle adjustment.

[0017] Other features and advantages of this utility model will become clearer after reading the detailed embodiments of this utility model in conjunction with the accompanying drawings. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of a photovoltaic frame pultrusion production line according to some embodiments; Figure 2 This is a structural diagram of a felt rack and dehumidification integrated device according to some embodiments; Figure 3 This is a structural diagram of a pultrusion die angle adjustment device according to some embodiments; Figure 4 This is another structural diagram of a pultrusion die angle adjustment device according to some embodiments; Figure 5 This is a structural diagram of the outlet end of a pultrusion die and a spherical bearing according to some embodiments.

[0020] Figure label: 1. Fiberglass yarn frame; 2. Fiberglass yarn; 3. Felt frame and dehumidification integrated device; 31. Dehumidifier; 32. Felt frame; 4. Fiberglass yarn tension adjustment device; 5. Pultrusion die; 6. Glue injection machine; 7. Framed products; 8. Traction machine; 9. Cutting machine; 10. Testing device; 300. Pultrusion die angle adjustment device; 310. Bracket; 320. Joint bearing; 330. Support arm; 340. First drive mechanism; 341. First drive component; 342. First moving component; 350. Second drive mechanism; 351. Second drive component; 352. Second moving component; 360. Base plate; 371. First sliding part; 372. Second sliding part; 373. Third sliding part; 374. Fourth sliding part; 380. Limiting ring. Detailed Implementation

[0021] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0022] In the description of this application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0023] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, unless otherwise stated, "a plurality of" means two or more.

[0024] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0025] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0026] The following disclosure provides many different embodiments or examples for implementing various structures of this invention. To simplify the disclosure, specific examples of components and arrangements are described below. These are merely examples and are not intended to limit the scope of the invention. Furthermore, reference numerals and / or letters may be repeated in different examples; such repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. In addition, examples of various specific processes and materials are provided in this invention, but those skilled in the art will recognize the application of other processes and / or the use of other materials.

[0027] In some embodiments of this application, a photovoltaic frame pultrusion production line is provided, as shown in the reference... Figure 1 The production line includes a fiberglass yarn frame 1, a pultrusion mold 5, a traction machine 8, a cutting machine 9, and a testing device 10 arranged in sequence. This production line involves the production of semi-finished frame products, but does not involve subsequent processes such as beveling, drilling, or spraying.

[0028] Specifically, the production line includes a fiberglass yarn rack 1. The function of the fiberglass yarn rack 1 is to hold the bundled fiberglass yarns, which are produced by an inward-retracting yarn output.

[0029] The production line also includes a felt rack 32, which is used to hold felt.

[0030] The production line also includes a dehumidifier 31, which is used to remove moisture from the yarn.

[0031] The production line also includes a fiberglass yarn tension adjustment device 4, which is used to adjust the tension of the fiberglass yarn 2.

[0032] The production line also includes a pultrusion die 5. The pultrusion die 5 consists of two parts: a preforming die and a hot mold. The preforming die further straightens the fiberglass yarn 2 and felt that are about to enter the die, while the hot mold constrains all the raw materials to the shape of the frame product 7 and cures them under certain temperature and injection pressure.

[0033] The production line also includes a glue injection machine 6, which pumps polymer resin raw materials to the glue injection port of the pultrusion die 5 via a glue injection pump.

[0034] The production line also includes a traction machine 8, which provides the power to pull the cured frame out of the mold.

[0035] The production line also includes a cutting machine 9, which performs fixed-length cutting of the frame product 7 according to the measured length.

[0036] The production line also includes a testing device 10, which performs quality inspections on indicators such as the straightness and appearance of the frame.

[0037] In some embodiments of this application, reference is made to Figure 2 The felt frame 32 is integrated with the dehumidifier 31 to form a felt frame and dehumidification integrated device 3. The felt frame 32 is provided at the top and bottom of the dehumidifier 31. Its main function is to transfer the yarn, remove moisture from the yarn, support the felt roll, and provide tension to the felt.

[0038] The production line of this application, by setting up a felt rack and dehumidification integrated device 3, directly reduces the space occupied by a single piece of equipment, eliminating the need to plan separate installation areas for the dehumidifier 31 and the felt rack 32, thus reducing the total area occupied by both within the constant temperature and humidity chamber. On the one hand, under the same site conditions, it can improve the layout flexibility of other equipment within the constant temperature and humidity chamber, and even reduce the overall construction scale of the constant temperature and humidity chamber, thereby reducing factory infrastructure and energy consumption costs; on the other hand, the integrated design reduces redundant intervals between equipment, making the overall layout of the production line more compact, facilitating inspection and maintenance by operators, and indirectly improving production efficiency.

[0039] Furthermore, this application fundamentally shortens the conveying distance of the dehumidified fiberglass yarn 2 from its dehumidification stage to its entry into the pultrusion mold 5 by integrating the felt frame 32 with the dehumidifier 31 and optimizing the production line layout. The dehumidified fiberglass yarn 2 can directly transition from the felt frame 32 within the integrated device to the subsequent preforming process without undergoing long-distance winding, reducing contact time with moisture in the air and effectively preventing secondary moisture absorption by the fiberglass yarn 2. The reduced moisture content of the fiberglass yarn 2 also reduces appearance defects such as bubbles and pinholes caused by moisture vaporization during its mixing and curing with the polymer resin, improving the appearance qualification rate of the composite photovoltaic frame.

[0040] In some embodiments of this application, the fiberglass yarn tension adjustment device 4 is positioned near the inlet of the pultrusion mold 5, allowing for real-time monitoring and adjustment of the tension of the fiberglass yarn 2 about to enter the mold. This avoids tension loss or fluctuations caused by factors such as twisting friction and equipment vibration during long-distance transport. On one hand, stable and precise yarn tension ensures that the fiberglass yarn 2 is evenly distributed during the pre-forming stage, preventing fiber breakage due to excessive local tension or fiber accumulation due to insufficient tension, thus ensuring the cross-sectional dimensional accuracy of the frame product 7 after molding. On the other hand, uniform tension distribution allows the fiberglass yarn 2 to be fully impregnated with the polymer resin and subjected to uniform force within the mold, reducing local structural looseness or stress concentration caused by uneven tension, improving the structural consistency of different batches of frame products 7, and reducing quality risks such as product deformation and cracking caused by tension deviations.

[0041] The straightness requirement for composite photovoltaic frames is crucial. When the straightness of the products produced during pultrusion deviates, various technical means are needed to adjust it and control the straightness within the acceptable range. Currently, adjusting the die position and changing the angle between the die exit and the traction machine inlet is a common practice. Existing pultrusion dies are typically installed and fixed using frame supports and bolts. Positioning and angle adjustment both require manual operation. During angle adjustment, the center position of the pultrusion die is not fixed, and the effect of each adjustment cannot be guaranteed. Furthermore, the pultrusion die needs to be repositioned for subsequent installations, and positioning deviations cannot be controlled. Because the pultrusion die requires high-temperature heating during pultrusion production, manual operation is extremely dangerous, and the uncertainty of manual operation can lead to positioning errors and low precision of the pultrusion die, seriously affecting production efficiency and product quality stability.

[0042] To address the aforementioned technical problems, in some embodiments of this application, the photovoltaic frame pultrusion production line further includes a pultrusion die angle adjustment device 300, as shown in the reference. Figures 3 to 5 It includes a bracket 310, a joint bearing 320, a support arm 330, a first drive mechanism 340, a second drive mechanism 350, etc.

[0043] Specifically, the pultrusion die angle adjustment device 300 includes a spherical bearing 320, which is mounted on the bracket 310, and the outlet end of the pultrusion die 5 is connected to the spherical bearing 320.

[0044] The pultrusion die angle adjustment device 300 also includes a support arm 330, which is connected to the pultrusion die 5 and is located away from the outlet end of the pultrusion die 5.

[0045] The pultrusion die angle adjustment device 300 also includes a first drive mechanism 340, which is configured to drive the support arm 330 to move up and down.

[0046] The pultrusion die angle adjustment device 300 also includes a second drive mechanism 350, which is configured to drive the support arm 330 to move left and right in the horizontal direction.

[0047] The pultrusion die angle adjustment device 300 of this application supports the pultrusion die 5 on the exit side of the pultrusion die 5 through a spherical bearing 320. During installation, the limiting structure ensures that the center of the cavity of the exit end face of the pultrusion die 5 coincides with the center of the spherical bearing 320, which serves as the center for die angle adjustment. Due to the centripetal nature of the spherical bearing 320, the position of this adjustment center will not change, completely eliminating the problem of center drift in traditional manual adjustment.

[0048] The pultrusion die 5 is supported by a support arm 330 at the inlet side. The support arm 330 can move in four directions (front, back, left, and right) through the first drive mechanism 340 and the second drive mechanism 350. Thus, the pultrusion die 5 can be driven to swing around the adjustment center in four directions (up, down, left, and right) through the support arm 330, so as to adjust the die angle. No manual intervention is required, which completely eliminates the safety hazards of manual operation in high temperature environment.

[0049] When the mold is disassembled or adjusted in the future, there is no need to reposition and adjust the center. The preset center reference can be directly reused by simply connecting the spherical bearing 320 to the outlet end of the pultrusion mold 5 through the standardized connection. This greatly reduces the positioning deviation of the mold installation and solves the industry problem of needing to recalibrate every time the existing technology is installed and the deviation is uncontrollable. This lays the core foundation for the consistency and stability of the mold angle adjustment.

[0050] In some embodiments of this application, reference is made to Figure 5 The pultrusion die 5 is fixedly provided with a limit ring 380 at the outlet end, and the limit ring 380 is rotatably connected to the spherical bearing 320.

[0051] The fixation of the rotation center during pultrusion die 5 adjustment is fundamental to die angle adjustment. Only when the rotation center is fixed can angle adjustment be logical and repeatable. Conventional die installation methods cannot guarantee the position of the rotation center; the rear end of the die can only swing around the edge of the outer shape, and its position is lost during the swing. This application ensures that the position of the rotation center remains unchanged through the spherical bearing 320 and the limiting retaining ring 380.

[0052] In some embodiments of this application, the first drive mechanism 340 includes a first drive member 341, such as an electric cylinder, the power output end of the first drive member 341 is connected to a first moving member 342, the first drive member 341 is configured to drive the first moving member 342 to move along a first horizontal direction, the first horizontal direction extends along the length direction of the pultrusion die 5, and the support arm 330 is hinged to the first moving member 342.

[0053] The first driving component 341 receives instructions from the control system and drives the first moving component 342 to move along the linear guide rail in the first horizontal direction. Since the support arm 330 is hinged to the first moving component 342, the linear motion of the first moving component 342 can be converted into a pushing and pulling force on the support arm 330. Through the hinge point, the support arm 330 is pushed to swing up and down around the center of the joint bearing 320, thereby realizing the angle adjustment of the pultrusion die 5 in the vertical direction.

[0054] In some embodiments of this application, the second drive mechanism 350 includes a second drive member 351, such as an electric cylinder. The power output end of the second drive member 351 is connected to a second moving member 352. The second drive member 351 is configured to drive the second moving member 352 to move along a second horizontal direction, which is perpendicular to the length direction of the pultrusion die 5. The first moving member 342 is slidably disposed on the second moving member 352.

[0055] The second drive component 351 receives instructions from the control system and drives the second moving component 352 to move along a preset direction. Since the first moving component 342 is slidably mounted on the slide rail of the second moving component 352, the movement of the second moving component 352 will synchronously drive the first moving component 342 to translate along the second horizontal direction. Combined with the connection relationship between the support arm 330 and the pultrusion die 5 and the constraint of the joint bearing 320 at the outlet end of the pultrusion die 5, the movement of the support arm 330 will be converted into the left and right swing of the pultrusion die 5 around the center of the joint bearing 320, thereby realizing the angle adjustment of the pultrusion die 5 in the left and right directions.

[0056] In some embodiments of this application, the second moving member 352 is provided with a first sliding portion 371, which extends along the first horizontal direction, and the first moving member 342 is provided with a second sliding portion 372. The first sliding portion 371 and the second sliding portion 372 are slidably connected. For example, the first sliding portion 371 is a guide rail, and the second sliding portion 372 is a slider. The sliding connection between the first sliding portion 371 and the second sliding portion 372 improves the stability and reliability of the first moving member 342 along the first horizontal direction.

[0057] In some embodiments of this application, the second moving member 352 is provided with a third sliding portion 373, and the pultrusion die angle adjustment device 300 further includes a base plate 360, on which a fourth sliding portion 374 is provided. The fourth sliding portion 374 extends along the second horizontal direction, and the third sliding portion 373 is slidably connected to the fourth sliding portion 374. For example, the third sliding portion 373 is a slider, and the fourth sliding portion 374 is a U-shaped groove, with the slider slidably disposed within the U-shaped groove. The sliding connection between the third sliding portion 373 and the fourth sliding portion 374 improves the stability and reliability of the movement of the second moving member 352 along the second horizontal direction.

[0058] In some embodiments of this application, the production line further includes a straightness detection device, and the first drive mechanism 340 and the second drive mechanism 350 are configured to move according to the detection data of the straightness detection device.

[0059] The mold angle adjustment is linked with the straightness detection results. Through PLC control, the mold angle is automatically adjusted to correct the straightness deviation, thereby achieving automated adjustment and improving efficiency.

[0060] In the description of the above embodiments, specific features, structures, materials, or characteristics may be combined in any suitable manner in one or more embodiments or examples.

[0061] The above are merely specific embodiments of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. A pultrusion die angle adjustment device, characterized in that, Including: support; A spherical bearing is provided, which is mounted on the bracket, and the outlet end of the pultrusion die is connected to the spherical bearing. A support arm, which is connected to the pultrusion die and is located away from the outlet end of the pultrusion die; A first drive mechanism is configured to drive the support arm to move up and down. A second drive mechanism is configured to drive the support arm to move left and right in the horizontal direction.

2. The pultrusion die angle adjustment device according to claim 1, characterized in that, A limit ring is fixedly provided at the outlet end of the pultrusion die, and the limit ring is rotatably connected to the spherical bearing.

3. The pultrusion die angle adjustment device according to claim 1, characterized in that, The first driving mechanism includes a first driving member, the power output end of the first driving member is connected to a first moving member, the first driving member is configured to drive the first moving member to move along a first horizontal direction, the first horizontal direction extends along the length direction of the pultrusion die, and the support arm is hinged to the first moving member.

4. The pultrusion die angle adjustment device according to claim 3, characterized in that, The second driving mechanism includes a second driving member, the power output end of the second driving member is connected to a second moving member, the second driving member is configured to drive the second moving member to move along a second horizontal direction, the second horizontal direction is perpendicular to the length direction of the pultrusion die, and the first moving member is slidably disposed on the second moving member.

5. The pultrusion die angle adjustment device according to claim 4, characterized in that, The second moving part is provided with a first sliding part, which extends along the first horizontal direction. The first moving part is provided with a second sliding part, and the first sliding part and the second sliding part are slidably connected.

6. The pultrusion die angle adjustment device according to claim 4, characterized in that, The second moving part is provided with a third sliding part, and the pultrusion die angle adjustment device also includes a base plate, on which a fourth sliding part is provided. The fourth sliding part extends along the second horizontal direction, and the third sliding part is slidably connected to the fourth sliding part.

7. A photovoltaic frame pultrusion production line, characterized in that, It includes a pultrusion die angle adjustment device as described in any one of claims 1 to 6.

8. The photovoltaic frame pultrusion production line according to claim 7, characterized in that, It also includes a straightness detection device, and the first drive mechanism and the second drive mechanism are configured to move according to the detection data of the straightness detection device.

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