Triangular strip testing apparatus and production system

Abstract

The application relates to a triangular welding strip testing device and a production system, and belongs to the technical field of photovoltaic cell production and processing. The triangular welding strip testing device comprises a twisting mechanism, a flattening mechanism and a straightening mechanism arranged in sequence, wherein: the twisting mechanism comprises a twisting assembly and a pressing assembly, the twisting assembly is matched with the pressing assembly, and the twisting assembly and the pressing assembly are used for jointly twisting a welding strip to be tested; the flattening mechanism comprises a carrier, a pressing table arranged opposite to the carrier and a driving piece, the driving piece is connected with the pressing table to drive the pressing table to move towards the carrier or away from the carrier; and the straightening mechanism comprises a guide rail and a traction piece, the traction piece is slidingly connected with the guide rail, and the traction piece and the flattening mechanism are configured to cooperate to stretch the welding strip to be tested. The triangular welding strip testing device and the production system provided by the application at least solve the problems of poor generality of product development and lengthened product research and development cycle in the prior art.

Description

Technical Field

[0001] This application relates to the field of photovoltaic cell production and processing technology, and in particular to a triangular welding strip testing device and production system. Background Technology

[0002] Triangular welding ribbons are an important connecting component in photovoltaic cells, mainly used to connect cells in series or parallel to form a complete current path. In use, triangular welding ribbons connect the grid lines (main grid / fine grid) of a cell to adjacent cells or busbars to reduce series resistance. Simultaneously, the triangular structure of the welding ribbon enhances its contact stability with the cell, reducing the risk of microcracks. The near-triangular cross-section design also reduces shading loss by reflecting or refracting light, improving the photovoltaic cell's light utilization efficiency.

[0003] However, in the design and production stages of triangular welding strips, it is often necessary to differentiate the three parameters of torsion, straightening and flattening according to the object to which the triangular welding strip is applied, in order to seek a balance between conductivity and flexibility, welding reliability and light-shielding area, and production efficiency and production precision, so as to achieve the optimal or better production solution.

[0004] The relevant technology does not have equipment that can freely adjust the parameters of twisting, straightening, and flattening, which leads to longer parameter settings for different products and even the entire R&D cycle, affecting product development efficiency. Utility Model Content

[0005] Therefore, it is necessary to provide a triangular welding strip testing equipment and production system that can freely test the torsion, straightening and flattening parameters to address the problems of poor product development versatility and extended product development cycle.

[0006] This application provides a triangular weld strip testing device, which includes a torsion mechanism, a flattening mechanism, and a straightening mechanism arranged sequentially. The torsion mechanism includes a torsion component and a clamping component, which cooperate to jointly torsion the weld strip to be tested. The flattening mechanism includes a platform, a pressure table opposite to the platform, and a driving component. The driving component is connected to the pressure table to drive the pressure table to move towards or away from the platform. The straightening mechanism includes a guide rail and a traction component, which are slidably connected to the guide rail. The traction component and the flattening mechanism are configured to cooperate to stretch the weld strip to be tested.

[0007] In some embodiments, the torsion assembly includes a base, a turntable, and a locking device, wherein the turntable is rotatably connected to the base; the locking device is connected to the base and is used to restrict the rotation of the turntable; a through hole is provided at the shaft of the turntable, penetrating the base and the turntable, and the through hole is configured to fit the weld strip to be tested so that the turntable can drive the weld strip to be tested to rotate when it rotates.

[0008] In some embodiments, a scale is provided on the surface of the turntable away from the substrate.

[0009] In some embodiments, the clamping assembly includes a carrier plate, a pressure block, and an adjusting screw. The carrier plate and the pressure block are connected by an elastic element, and the adjusting screw passes through the pressure block and is threadedly connected to the carrier plate.

[0010] In some embodiments, a height limiting groove is provided on the opposing surfaces of the stage and / or pressure table, the height limiting groove being used to place the weld strip to be tested; the depth of the height limiting groove is between 0.05 mm and 0.2 mm.

[0011] In some embodiments, the flattening mechanism further includes a control valve connected to the drive element.

[0012] In some embodiments, the triangular welding strip testing equipment further includes a flame-spraying mechanism disposed near the flattening mechanism and used to heat the welding strip to be tested by spraying flame.

[0013] In some embodiments, the straightening mechanism further includes a limiting member detachably disposed on the guide rail, and a traction member disposed on the side of the limiting member near the flattening mechanism.

[0014] In some embodiments, the triangular welding strip testing equipment further includes a substrate, and a torsion mechanism, a flattening mechanism and a straightening mechanism are respectively connected to the substrate.

[0015] This application also provides a triangular welding strip production system, which includes the triangular welding strip testing equipment as provided in any of the foregoing embodiments.

[0016] The triangular weld strip testing equipment and production system provided by the embodiments of this application have at least the following beneficial effects:

[0017] By setting up a triangular welding strip testing device, which includes a torsion mechanism, a flattening mechanism, and a straightening mechanism arranged in sequence, these three mechanisms can cooperate with each other and be freely adjusted for different test categories of welding strips. The product's torsion, flattening, and straightening performance can be tested individually or in combination. This design helps to control test variables, reduce the parameter setting cycle for different products, and improve product development efficiency.

[0018] The above description is only an overview of the technical solution of this application. In order to better understand the technical means of this application and to implement it in accordance with the contents of the specification, and to make the above and other objects, features and advantages of this application more obvious and understandable, the following are specific embodiments of this application. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this application 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 only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a three-dimensional structural schematic diagram of a triangular welding strip testing device provided in an embodiment of this application;

[0021] Figure 2 This is an exploded three-dimensional structural diagram of a triangular welding strip testing device provided in an embodiment of this application.

[0022] Explanation of reference numerals in the attached drawings: 100, triangular welding strip testing equipment; 10, torsion mechanism; 11, torsion assembly; 111, substrate; 112, turntable; 113, locking device; 12, clamping assembly; 121, carrier plate; 122, pressure block; 123, adjusting screw; 20, flattening mechanism; 21, platform; 22, pressure platform; 23, driving component; 24, control air valve; 30, straightening mechanism; 31, guide rail; 32, traction component; 33, limiting component; 40, flame-spraying mechanism; 50, base plate; 101, through hole; 102, height limiting groove. Detailed Implementation

[0023] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0024] In the description of this application, it should be understood that if terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and 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, and therefore should not be construed as a limitation of this application.

[0025] Furthermore, where the term "and / or" appears, "and / or" merely describes the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, or B existing alone. Additionally, the character " / " in this document generally indicates that the preceding and following related objects have an "or" relationship. Where the terms "first" and "second" appear, these terms 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, features defined with "first" or "second" can explicitly or implicitly include at least one of those features. In the description of this application, where the term "multiple" appears, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0026] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; 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; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0027] In this application, unless otherwise expressly specified and limited, the use of descriptions such as "above" or "below" the second feature indicates that the first and second features are in direct contact or indirect contact via an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. Similarly, "below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0028] It should be noted that if an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. If an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. If so, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application are for illustrative purposes only and do not represent the only possible implementation.

[0029] Please refer to the following: Figure 1 and Figure 2This application provides a triangular weld strip testing device 100, which includes a torsion mechanism 10, a flattening mechanism 20, and a straightening mechanism 30 arranged sequentially. The torsion mechanism 10 includes a torsion component 11 and a clamping component 12, which cooperate to jointly torsion the weld strip to be tested (not shown in the figure). The flattening mechanism 20 includes a platform 21, a pressure table 22 opposite to the platform 21, and a driving member 23. The driving member 23 is connected to the pressure table 22 to drive the pressure table 22 to move towards or away from the platform 21. The straightening mechanism 30 includes a guide rail 31 and a traction member 32, which is slidably connected to the guide rail 31. The traction member 32 and the flattening mechanism 20 are configured to cooperate to stretch the weld strip to be tested.

[0030] The triangular welding strip testing equipment 100 is a device used to test the parameters of triangular welding strips. It aims to test the parameters of triangular welding strips under various conditions by twisting, flattening or straightening them, so as to provide data support for the subsequent mass production of triangular welding strips.

[0031] In photovoltaic cells, triangular welding strips can be used to weld the cells to improve light collection efficiency. During the research and development and production of photovoltaic cells, triangular welding strips of different shapes usually need to be tested. For example, whether the triangular welding strip can be twisted, what angle of twisting is appropriate, the limit value of twisting without breaking, whether there are problems after twisting and flattening, and the effect of flattening after heating and annealing after flattening can all be tested and verified using the triangular welding strip testing equipment 100 provided in this application.

[0032] The function of the torsion mechanism 10 is to torsion the triangular welding strip about an axis parallel to its length to test its torsion performance. In actual production and use, torsion allows for tighter contact between the triangular welding strip and the solar cell, reducing incomplete welds and gaps during the welding process. This helps reduce stress concentration in the solar cell and lowers the risk of microcracks during production and transportation. Simultaneously, the torsion changes the angle between the surface of the triangular welding strip and the light source, improving light reflection and absorption efficiency, thereby increasing the output power of the photovoltaic cell.

[0033] In these embodiments of this application, the torsion mechanism 10 includes a torsion component 11 and a clamping component 12. The torsion component 11 and the clamping component 12 cooperate with each other, and the torsion component 11 and the clamping component 12 are used to jointly torsion the weld strip under test. Specifically, during the test of the torsion performance of the triangular weld strip, a portion of the triangular weld strip along its length is positioned between the torsion component 11 and the clamping component 12. The clamping component 12 clamps the end of the triangular weld strip, and the torsion component 11 drives the triangular weld strip to torsion about an axis parallel to its length direction.

[0034] In other words, the torsion component 11 is the driving component in the torsion mechanism 10, and the clamping component 12 is the limiting component in the torsion mechanism 10. The cooperation between the torsion component 11 and the clamping component 12 means that after the clamping component 12 restricts the rotational freedom of the triangular welding strip, the torsion component 11 can drive the triangular welding strip to rotate, thereby causing the triangular welding strip to twist.

[0035] The flattening mechanism 20 is used to flatten the triangular welding strip to alleviate the height difference of the tip of the triangular welding strip, reduce the risk of the triangular welding strip puncturing the encapsulant or backsheet during subsequent lamination, and improve the reliability of photovoltaic cells.

[0036] The function of the stage 21 is to provide support and positioning for the triangular welding strip, so that the triangular welding strip can be stably placed on the stage 21.

[0037] The pressure table 22 is arranged opposite to the carrier table 21 and is used to cooperate with the carrier table 21 to flatten the triangular welding strip.

[0038] The driving component 23 is connected to the pressure table 22 to drive the pressure table 22 to move toward or away from the platform 21, thereby flattening the triangular welding strip placed on the platform 21, and driving the pressure table 22 to return to its original position after flattening.

[0039] For example, the drive component 23 may be, but is not limited to, a cylinder, a motor drive assembly, or other component capable of linear drive.

[0040] The straightening mechanism 30 is used to straighten the triangular welding strip after it has undergone processing steps such as twisting and flattening. The triangular welding strip itself may have three types of dimensional and positional errors: "micro-bowing, side bending and twisting". Therefore, the straightening mechanism 30 is needed to straighten the triangular welding strip to improve its straightness and reduce the risk of the triangular welding strip not going straight, running off course or getting stuck on the welding machine. This is beneficial to improving the alignment accuracy of subsequent welding and further reducing the risk of incomplete welding or hidden cracks.

[0041] The straightening mechanism 30 includes a guide rail 31 and a traction member 32. The traction member 32 is slidably connected to the guide rail 31 so that after the traction member 32 is connected to the end of the triangular welding strip, it can straighten and correct the part of the triangular welding strip located between the traction member 32 and the flattening mechanism 20 by cooperating with the flattening mechanism 20.

[0042] In these embodiments of this application, the triangular welding strip testing equipment 100 can be used to conduct free testing according to different products, freely adjust the torsion angle and flattening thickness, and perform straightening operation through the straightening mechanism 30. This is beneficial for obtaining the final effect of the triangular welding strip under different processing parameters, which is conducive to improving the R&D efficiency of triangular welding strip products, shortening the R&D cycle and improving the versatility of product development.

[0043] According to the triangular welding strip testing equipment 100 provided in the embodiments of this application, by setting the triangular welding strip testing equipment 100 to include a torsion mechanism 10, a flattening mechanism 20 and a straightening mechanism 30 arranged in sequence, the three mechanisms can cooperate with each other and be freely adjusted for different test categories of welding strips. The product torsion, flattening and straightening performance tests can be performed individually or in combination. This design is conducive to controlling test variables, reducing the parameter setting cycle of different products and improving product development efficiency.

[0044] In some embodiments, the torsion assembly 11 includes a base 111, a turntable 112, and a locking device 113, wherein the turntable 112 is rotatably connected to the base 111; the locking device 113 is connected to the base 111 and is used to restrict the rotation of the turntable 112; a through hole 101 is provided at the pivot of the turntable 112, penetrating the base 111 and the turntable 112, and the through hole 101 is configured to be adapted to the welding strip to be tested so that the turntable 112 can drive the welding strip to be tested to rotate when it rotates.

[0045] The base 111 serves as the mounting foundation for other components in the torsion assembly 11, providing support for them. In these embodiments of the present application, the base 111 may be, but is not limited to, block or plate-shaped.

[0046] The turntable 112 is rotatably connected to the substrate 111, and a through hole 101 is provided at the pivot of the turntable 112, which penetrates the substrate 111 and the turntable 112. That is, the pivot of the turntable 112 and the substrate 111 is a hollow through hole 101 structure. The through hole 101 is configured to be adapted to the solder strip to be tested, which means that the cross-sectional shape of the through hole 101 can match the cross-sectional shape of the solder strip to be tested, so that when the turntable 112 rotates relative to the substrate 111, it drives the solder strip to be tested to rotate.

[0047] The locking device 113 is connected to the base 111 and is used to limit the rotation of the turntable 112. That is, the locking device 113 is a component used to limit the turntable 112 from continuing to rotate after the turntable 112 drives the triangular welding strip to twist, so that the triangular welding strip can be kept in the twisted state, reducing the risk of the turntable 112 rotating under the drive of the twisted triangular welding strip, thereby improving the reliability of controlling the twist angle of the triangular welding strip through the twisting component 11.

[0048] For example, in these embodiments of this application, a locking device 113 may be provided on the side of the turntable 112 away from the base 111, and the relative position between the locking device 113 and the base 111 is fixed (both the base 111 and the locking device 113 are fixedly connected to the substrate). At the same time, the locking device 113 is provided with a screw pointing towards the turntable 112. After the turntable 112 rotates to the required angle, the screw is moved towards the turntable by rotating the screw, and the turntable 112 is pressed against the base 111. Thus, the friction between the turntable 112 and the base 111 can be used to limit the rotation of the turntable 112.

[0049] In some embodiments, a scale (unlabeled) is provided on the surface of the turntable 112 facing away from the substrate 111. This allows for accurate reading of the angle at which the turntable 112 rotates the solder strip under test, which is beneficial for recording parameter data.

[0050] In some embodiments, the clamping assembly 12 includes a carrier plate 121, a pressure block 122 and an adjusting screw 123. The carrier plate 121 and the pressure block 122 are connected by an elastic element, and the adjusting screw 123 passes through the pressure block 122 and is threadedly connected to the carrier plate 121.

[0051] The clamping assembly 12 and the torsion assembly 11 work together to torsion the weld strip to be tested. That is, after the weld strip to be tested passes through the through hole 101 and passes through the turntable 112 and the base 111 in sequence, at least part of the weld strip to be tested is supported on the carrier plate 121. At this time, the operator can use the adjusting screw 123 to drive the pressure block 122 to move towards the carrier plate 121, and use the platform 21 and the pressure block 122 together to press the part of the weld strip to be tested supported on the platform 21 to restrict the rotation of the weld strip to be tested. In this way, when the turntable 112 rotates, it can drive the part of the weld strip to be tested located between the clamping assembly 12 and the torsion assembly 11 to be torsion.

[0052] The carrier plate 121 and the pressure block 122 are connected by an elastic element. That is, when the clamping assembly 12 is not in operation, the carrier plate 121 and the pressure block 122 are spaced apart, and the space between the carrier plate 121 and the pressure block 122 can be used to put the welding strip to be tested.

[0053] The adjusting screw 123 passes through the pressure block 122 and is threadedly connected to the carrier plate 121, so that the pressure block 122 moves toward the carrier plate 121 by the rotation of the adjusting screw 123 itself; when it is necessary to loosen the welding strip to be tested, the adjusting screw 123 can be rotated in the opposite direction so that the elastic element between the pressure block 122 and the carrier plate 121 can drive the pressure block 122 back to its position.

[0054] In these embodiments of the present application, the elastic element can be a spring. At the same time, at least two guide posts (not labeled) can be provided on the carrier plate 121 in the direction of the pressure block 122, and guide holes (not labeled) are provided on the pressure block 122 for the guide posts to pass through. In this way, the carrier plate 121 and the pressure block 122 can be restricted in their degrees of freedom other than moving towards each other through the cooperation of the guide posts and guide holes. This allows the operator to drive the pressure block 122 to move smoothly and without deviation toward or away from the carrier plate 121 by simply turning the adjusting screw 123.

[0055] It should be noted that in related technologies, the pressure block 122 and the carrier plate 121 are usually connected by multiple adjusting bolts. When it is necessary to control the pressure block 122 and the carrier plate 121 to press the weld strip to be tested, it is often necessary to turn the adjusting bolts one by one. In addition to the inevitable cumbersome operation, it is also difficult to ensure the flatness between the pressure block 122 and the carrier plate 121, which can easily cause the weld strip to be tested (triangular weld strip) to deflect during the pressing process of the pressing assembly 12, affecting the authenticity and reliability of the torsion angle parameter reading.

[0056] In some embodiments, a height limiting groove 102 is provided on the opposing surfaces of the stage 21 and / or the pressure stage 22. The height limiting groove 102 is used to place the welding strip to be tested. The depth of the height limiting groove 102 is between 0.05 mm and 0.2 mm.

[0057] The height limiting groove 102 is used to place the solder strip to be tested. In this way, the solder strip to be tested is placed in the height limiting groove 102. The depth dimension of the height limiting groove 102 can limit the minimum size of the solder strip to be flattened (the part of the solder strip to be tested located in the height limiting groove 102 will not be flattened further), so as to prevent the solder strip to be tested from being excessively flattened.

[0058] For example, in these embodiments of the present application, the depth of the height limiting groove 102 may be set to 0.08 mm, 0.1 mm, 0.15 mm or 0.18 mm.

[0059] In these embodiments of the present application, the height limiting groove 102 can be set on the platform 21. In this way, in addition to preventing the solder strip to be tested from being excessively flattened, the height limiting groove 102 can also provide a limit for the solder strip to be tested when it is placed on the platform 21, so that the solder strip to be tested is placed in the center position of the platform 21, further improving the flattening effect after the subsequent pressing table 22 presses down.

[0060] In some embodiments, the flattening mechanism 20 further includes a control valve 24, which is connected to the drive member 23.

[0061] In these embodiments of this application, by controlling the connection between the control valve 24 and the drive component 23, the working state of the drive component 23 can be controlled by the control valve 24 to improve the response speed of the drive component 23. The method of controlling the drive component 23 by using the control valve 24 is simple and low cost. At the same time, the drive component 23 can be automatically stopped in case of overload, providing "flexible" protection for the drive component 23 and effectively improving the reliability of the flattening mechanism 20.

[0062] In some embodiments, the triangular welding strip testing device 100 further includes a flame-spraying mechanism 40, which is disposed near the flattening mechanism 20 and is used to spray flames to heat the welding strip to be tested.

[0063] After the weld strip under test is twisted by the torsion mechanism 10, it will have great internal stress, which will affect the performance of the weld strip under test. Therefore, in these embodiments of this application, the weld strip under test can be sprayed with flame by the flame-spraying mechanism 40 located near the flattening mechanism 20, and annealing treatment can be performed after the weld strip under test is cooled naturally or by compressed air.

[0064] In these embodiments of this application, it is possible to set whether to use the flame-spraying mechanism 40 to test and compare the effects and parameters of flattening after heating and without heating. At the same time, the flame-spraying mechanism 40 can also soften the weld strip to be tested, eliminate the internal stress of processing at the torsion point, and enable the triangular weld strip testing equipment 100 to have thermoplastic and annealing functions, further improving the applicability of the triangular weld strip testing equipment 100.

[0065] In some embodiments, the straightening mechanism 30 further includes a limiting member 33, which is detachably disposed on the guide rail 31, and a traction member 32 is disposed on the side of the limiting member 33 near the flattening mechanism 20.

[0066] The function of the limiting member 33 is to limit the travel of the traction member 32 on the guide rail 31, thereby limiting the stretching dimension of the traction member 32 on the weld strip to be tested.

[0067] The limiting member 33 is detachably disposed on the guide rail 31. The detachable connection between the limiting member 33 and the guide rail 31 can be achieved by means of sliding connection (positioning by connecting parts such as screws and bolts), snap-fit ​​connection, etc.

[0068] The traction component 32 is positioned on the side of the limiting component 33 near the flattening mechanism 20. This means that the sliding range of the traction component 32 is the distance between the limiting component 33 and the flattening mechanism 20, which is the range of stretching dimensions that the traction component 32 can drive the weld strip under test. In this way, by first selecting and setting the position of the limiting component 33, performance tests of different stretching dimensions can be performed on the weld strip under test to gradually obtain the optimal stretching dimension data for different weld strips under test, which is convenient for subsequent mass production processing.

[0069] It should be noted that in these embodiments of this application, the straightening mechanism 30 needs to be used in conjunction with the flattening mechanism 20. That is, after the flattening mechanism 20 presses one end (or the middle part) of the weld strip to be tested, the other end of the weld strip to be tested is connected to the traction member 32. Then, by the sliding of the traction member 32 along the guide rail 31, the weld strip to be tested is stretched and straightened together with the flattening mechanism 20.

[0070] In some embodiments, the triangular welding strip testing device 100 further includes a substrate 50, and a torsion mechanism 10, a flattening mechanism 20 and a straightening mechanism 30 are respectively connected to the substrate 50.

[0071] The substrate 50 serves as a mounting base for other components in the triangular welding strip testing equipment 100, thereby improving the structural consistency among the torsion mechanism 10, flattening mechanism 20, straightening mechanism 30, and flame-spraying mechanism 40. Meanwhile, the connection between the torsion mechanism 10, flattening mechanism 20, straightening mechanism 30, and flame-spraying mechanism 40 and the substrate 50 can be, but is not limited to, fixed connections such as welding, bonding, or integral molding; in some embodiments, the torsion mechanism 10, flattening mechanism 20, straightening mechanism 30, and flame-spraying mechanism 40 and the substrate 50 can also be detachably connected via snap-fit ​​connections, slot connections, or other methods.

[0072] This application also provides a triangular welding strip production system, which includes a triangular welding strip testing device 100 as provided in any of the foregoing embodiments.

[0073] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0074] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A triangular weld strip testing device, characterized in that, It includes a torsion mechanism, a flattening mechanism, and a straightening mechanism arranged in sequence, wherein: The torsion mechanism includes a torsion component and a clamping component, the torsion component and the clamping component cooperate, and the torsion component and the clamping component are used to jointly torsion the welding strip to be tested; The flattening mechanism includes a platform, a pressing platform disposed opposite to the platform, and a driving member. The driving member is connected to the pressing platform to drive the pressing platform to move toward or away from the platform. The straightening mechanism includes a guide rail and a traction member, the traction member being slidably connected to the guide rail, and the traction member and the flattening mechanism being configured to cooperate with each other to stretch the weld strip to be tested.

2. The triangular weld strip testing device according to claim 1, characterized in that, The torsion assembly includes: Matrix; The turntable is rotatably connected to the substrate; A locking device, connected to the base and used to restrict the rotation of the turntable; The turntable has a through hole at its shaft that penetrates the substrate and the turntable. The through hole is configured to fit the weld strip to be tested so that the turntable can drive the weld strip to be tested to rotate when it rotates.

3. The triangular weld strip testing device according to claim 2, characterized in that, The turntable has a scale on its surface away from the substrate.

4. The triangular weld strip testing device according to claim 1, characterized in that, The clamping assembly includes a carrier plate, a pressure block, and an adjusting screw. The carrier plate and the pressure block are connected by an elastic element, and the adjusting screw passes through the pressure block and is threadedly connected to the carrier plate.

5. The triangular weld strip testing device according to claim 1, characterized in that, The opposing surfaces of the stage and / or the pressure table are provided with height limiting grooves, which are used to place the weld strip to be tested. The depth of the height limiting groove is between 0.05mm and 0.2mm.

6. The triangular weld strip testing device according to claim 1, characterized in that, The flattening mechanism also includes a control air valve, which is connected to the drive component.

7. The triangular weld strip testing device according to claim 1, characterized in that, The triangular welding strip testing equipment also includes a flame-spraying mechanism, which is located near the flattening mechanism and is used to spray flames to heat the welding strip to be tested.

8. The triangular weld strip testing device according to claim 1, characterized in that, The straightening mechanism further includes a limiting member, which is detachably disposed on the guide rail, and the traction member is disposed on the side of the limiting member near the flattening mechanism.

9. The triangular weld strip testing device according to any one of claims 1 to 8, characterized in that, The triangular welding strip testing equipment also includes a base plate, and the torsion mechanism, the flattening mechanism and the straightening mechanism are respectively connected to the base plate.

10. A triangular welding strip production system, characterized in that, Includes the triangular weld strip testing equipment as described in any one of claims 1 to 9.

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