A conveying and correcting device for copper-aluminum bars

Abstract

The application provides a conveying and correcting device for copper-aluminum bars, which comprises a feeding mechanism and a correcting mechanism. The feeding mechanism is arranged on a feeding path and used for conveying the copper-aluminum bars to a processing station. The correcting mechanism is arranged on the feeding path and located upstream of the feeding mechanism. The correcting mechanism comprises a plurality of correcting wheel assemblies. The correcting wheel assemblies are arranged along a feeding direction and distributed on both sides of the feeding path, and form a correcting channel for the copper-aluminum bars to pass through in a middle region. The correcting wheel assembly has a correcting part for extruding the copper-aluminum bars in the correcting channel to produce plastic deformation and adjust the flatness of the surface of the copper-aluminum bars. The copper-aluminum bars successively pass through the extrusion of the plurality of correcting wheel assemblies in the correcting channel to produce continuous plastic deformation, thereby gradually adjusting the flatness of the surface of the copper-aluminum bars. The active correction of the flatness of the copper-aluminum bars is realized, and the technical problem of poor correction effect in the prior art is solved.

Description

Technical Field

[0001] This application relates to the field of metal material processing technology, and more specifically, to a conveying and straightening device for copper and aluminum busbars. Background Technology

[0002] With the rapid development of power, communications, rail transportation, and new energy vehicles, the market demand for copper-aluminum busbars, as important conductive connectors, continues to grow. In the processing of copper-aluminum busbars, raw materials typically enter the production line in coil or strip form. They first undergo feeding and straightening processes to ensure that the raw materials entering subsequent punching, bending, and other processing stations have a straight shape and accurate feeding position.

[0003] In traditional copper-aluminum busbar processing, the alignment and feeding processes are usually completed by separate mechanisms. For example, the copper-aluminum composite busbar is centered and aligned by pneumatic push rods and push plates, and then transported by a conveyor, or the roll material is leveled by a feeding mechanism.

[0004] The existing copper and aluminum bar feeding and correction devices have the following technical defects: First, an unreasonable layout of the calibration wheel leads to uneven distribution of calibration force, which can easily cause stress concentration and affect the calibration effect.

[0005] Second, the correction direction is singular, making it difficult to simultaneously guarantee bidirectional straightness.

[0006] In addition, there are problems such as the inability to adjust the correction force and insufficient control of feeding accuracy, which makes it difficult to guarantee the positional accuracy of the copper and aluminum busbars during the feeding process and affects the positioning accuracy of subsequent processing steps. Summary of the Invention

[0007] The main objective of this application is to provide a conveying and straightening device for copper-aluminum busbars, in order to solve the technical problems in the prior art where the straightening mechanism cannot cause uniform plastic deformation of the copper-aluminum busbars and the straightness correction effect is poor during the conveying process.

[0008] This invention provides a conveying and straightening device for copper-aluminum busbars, comprising: A feeding mechanism is provided on the feeding path for conveying the copper-aluminum busbar to the processing station; A correction mechanism is provided on the feeding path and located upstream of the feeding mechanism. The correction mechanism includes multiple correction wheel assemblies, which are arranged along the feeding direction and distributed on both sides of the feeding path, forming a correction channel in the middle area for the copper-aluminum busbar to pass through. The correction wheel assembly has a correction section, which is used to squeeze the copper-aluminum busbar in the correction channel to produce plastic deformation and thereby adjust the flatness of its surface.

[0009] The structure, which uses multiple correction wheel assemblies arranged along the feeding direction and distributed on both sides and in the middle of the feeding path to form a correction channel, allows the copper and aluminum busbars to be squeezed by the correction wheel assemblies in sequence within the correction channel, resulting in continuous plastic deformation and gradually adjusting the flatness of their surfaces. By squeezing the copper and aluminum busbars to induce plastic deformation through the correction section, the flatness of the copper and aluminum busbars is actively corrected. This is different from passive devices that only serve a guiding or clamping function, and solves the technical problem of poor correction effect in the prior art.

[0010] In one embodiment of the conveying and straightening device for copper-aluminum busbars of the present invention, the straightening mechanism includes a narrow-face straightening component and a wide-face straightening component: The narrow surface correction component is disposed on the feeding path and includes multiple narrow surface correction rollers. The multiple narrow surface correction rollers abut against the narrow surface of the copper-aluminum busbar to correct the flatness of the narrow surface of the copper-aluminum busbar. The wide surface correction component is disposed on the feeding path and includes multiple wide surface correction wheels. The multiple wide surface correction wheels abut against the wide surface of the copper-aluminum busbar to correct the flatness of the wide surface of the copper-aluminum busbar. Wherein, along the feeding direction, the wide face correction component is located downstream of the narrow face correction component, or the narrow face correction component is located downstream of the wide face correction component.

[0011] The structure, which uses a narrow-face correction component to correct the narrow face of the copper-aluminum busbar and a wide-face correction component to correct the wide face of the copper-aluminum busbar, achieves bidirectional independent correction in both the narrow and wide face directions, ensuring the straightness of the copper-aluminum busbar in both directions. By arranging the narrow-face and wide-face correction components sequentially along the feeding direction, the copper-aluminum busbar first undergoes correction in one direction and then in the other direction, with the corrections in the two directions not interfering with each other, thus improving the correction effect.

[0012] In one embodiment of the conveying and straightening device for copper-aluminum busbars of the present invention, a plurality of the narrow-face straightening wheels are distributed on both sides of the straightening channel and are staggered from each other in the feeding direction. Multiple wide-faced correction wheels are distributed on both sides of the correction channel and are staggered from each other in the feeding direction.

[0013] By staggering the narrow-faced and wide-faced correction wheels in the feeding direction, and alternating the distribution of correction wheels on different sides of the correction channel along the feeding direction, the copper and aluminum busbars are subjected to clamping forces from different sides in sequence during the feeding process. Only one side of the correction wheel contacts the copper and aluminum busbars on the same cross-section, avoiding stress concentration caused by simultaneous pressure on both sides of the same cross-section when they are set directly opposite each other. This makes the clamping force more evenly distributed in the feeding direction and improves the correction effect.

[0014] In one embodiment of the conveying and straightening device for copper-aluminum busbars of the present invention, along the feeding direction, the distance between two adjacent wide-face straightening wheels located upstream is greater than the distance between two adjacent wide-face straightening wheels located downstream.

[0015] By using a variable spacing arrangement where the upstream spacing is greater than the downstream spacing, the correction wheels at the inlet end of the wide-face correction component are sparsely distributed and densely distributed at the outlet end. When the copper and aluminum busbars enter, they are subjected to a small correction force, resulting in a slight initial bending. As the conveying progresses, they are gradually subjected to an increasing correction force, which avoids the copper and aluminum busbars from being severely deformed or damaged on the surface due to the application of an excessive correction force at one time. This achieves the gradual application of the correction force, ensuring the stability of the correction process and the final straightness.

[0016] In one embodiment of the conveying and straightening device for copper-aluminum busbars of the present invention, the clamping force applied by each of the narrow-face straightening wheels to the copper-aluminum busbar gradually decreases along the feeding direction.

[0017] The clamping force of each narrow-faced straightening wheel decreases gradually along the feeding direction. The upstream straightening wheel applies a larger clamping force, causing the copper and aluminum busbars to bend in the opposite direction to a larger extent. The downstream straightening wheel applies a smaller clamping force, causing the copper and aluminum busbars to gradually become straight. The residual stress of the copper and aluminum busbars is gradually released along the feeding direction, avoiding damage to the surface of the copper and aluminum busbars caused by a large deformation at one time. This achieves precise control of the straightening force and ensures the final straightness.

[0018] In one embodiment of the conveying and straightening device for copper-aluminum busbars of the present invention, an annular groove is provided circumferentially on the surface of the narrow-face straightening wheel and / or the wide-face straightening wheel. The annular groove is used to accommodate the edge of the copper-aluminum busbar. The groove wall of the annular groove constitutes the straightening part. The groove wall abuts against the surface of the copper-aluminum busbar to compress the copper-aluminum busbar.

[0019] By creating an annular groove on the surface of the calibration wheel, with the groove wall forming the calibration section, the edge of the copper-aluminum busbar is embedded in the annular groove. The groove wall of the annular groove abuts against the surface of the copper-aluminum busbar from both sides and applies a clamping force, achieving stable clamping and uniform pressure on the copper-aluminum busbar. The annular groove's function of accommodating and limiting the edge of the copper-aluminum busbar makes it difficult for the copper-aluminum busbar to shift or fall out of the calibration channel during the calibration process, ensuring the stability of the calibration.

[0020] In one embodiment of the conveying and straightening device for copper-aluminum busbars of the present invention, the cross-sectional shape of the annular groove is adapted to the cross-sectional shape of the edge of the copper-aluminum busbar, so that the edge of the copper-aluminum busbar is at least partially embedded in the annular groove, thereby increasing the contact area between the straightening wheel and the copper-aluminum busbar.

[0021] By matching the cross-sectional shape of the annular groove with the cross-sectional shape of the copper-aluminum busbar edge, the edge of the copper-aluminum busbar can be at least partially embedded in the annular groove, increasing the contact area between the calibration wheel and the copper-aluminum busbar, making the clamping force more evenly distributed on the surface of the copper-aluminum busbar, avoiding indentations or damage to the surface of the copper-aluminum busbar due to excessive local pressure, and improving the calibration quality.

[0022] In one embodiment of the conveying and straightening device for copper-aluminum busbars of the present invention, the feeding mechanism includes: A wire feeding gearbox has at least one set of conveying gears, and the copper-aluminum busbar is clamped between the meshing portions of the conveying gears; A feeding drive motor is connected to the conveying gear set and drives the conveying gear set to rotate in order to convey the copper-aluminum busbar.

[0023] The copper and aluminum bars are clamped between the meshing parts by a conveying gear set and driven to rotate by a feeding drive motor, thus achieving stable conveying of the copper and aluminum bars. The gear transmission method has the advantages of precise transmission ratio and stable conveying speed, ensuring the consistency of the feeding position of the copper and aluminum bars.

[0024] In one embodiment of the conveying and straightening device for copper and aluminum bars of the present invention, each set of conveying gears includes a driving gear and a driven gear that mesh with each other. The copper and aluminum bars are clamped between the meshing parts of the driving gear and the driven gear. Each driving gear is connected to the feeding drive motor through the same transmission shaft to achieve synchronous rotation.

[0025] By connecting each drive gear to the feeding drive motor through the same transmission shaft to achieve synchronous rotation, multiple sets of conveying gears can simultaneously and at the same speed convey copper and aluminum bars, avoiding the pulling or accumulation of copper and aluminum bars caused by inconsistent conveying speeds and improving the stability of feeding.

[0026] In one embodiment of the conveying and straightening device for copper-aluminum busbars of the present invention, the feeding mechanism further includes an encoder, which is disposed on the wire feeding gearbox and is used to detect the rotation angle of the conveying gear set in real time and output a detection signal. It also includes a control module, which is electrically connected to the encoder and the feeding drive motor respectively. The control module calculates the actual feeding position of the copper-aluminum busbar based on the detection signal of the encoder, compares the actual feeding position with the target feeding position, and controls the feeding drive motor to perform speed compensation based on the comparison result.

[0027] The encoder detects the rotation angle of the conveying gear set in real time and feeds it back to the control module. The control module calculates the actual feeding position based on the detection signal and compares it with the target position, thus realizing closed-loop control of the feeding position. When the actual position deviates from the target position, the control module controls the feeding drive motor to perform speed compensation and automatically corrects the feeding deviation, ensuring the feeding accuracy of the copper and aluminum busbars.

[0028] In one embodiment of the conveying and straightening device for copper-aluminum busbars of the present invention, the narrow-face straightening wheel and / or the wide-face straightening wheel are respectively movably mounted on the frame via a position adjusting slider. The position adjusting slider is connected to an adjusting screw. Rotating the adjusting screw drives the position adjusting slider to move in a direction closer to or further away from the copper-aluminum busbar, so as to adjust the clamping force between the straightening wheel and the copper-aluminum busbar.

[0029] With its structure of position adjustment slider and adjustment screw, the operator can drive the position adjustment slider to move by rotating the adjustment screw, and precisely adjust the clamping force between the calibration wheel and the copper-aluminum busbar to adapt to the calibration needs of copper-aluminum busbars of different materials and thicknesses; the clamping force of each calibration wheel can be adjusted independently, further improving the flexibility and adaptability of calibration.

[0030] In one embodiment of the conveying and straightening device for copper-aluminum busbars of the present invention, a guide wheel assembly is further provided upstream of the narrow-face straightening component. The guide wheel assembly includes guide wheels disposed opposite to each other on both sides of the feeding path. There is a gap between the guide wheels and the surface of the copper-aluminum busbar, which only provides guidance for the feeding direction of the copper-aluminum busbar.

[0031] By setting the guide wheel assembly upstream of the narrow-face correction component and having a gap between the guide wheel and the surface of the copper-aluminum busbar, the guide wheel only provides guidance for the feeding direction of the copper-aluminum busbar and does not participate in the straightness correction. This ensures that the copper-aluminum busbar enters the correction channel in the correct posture and avoids additional interference with the straightness of the copper-aluminum busbar, thereby improving the accuracy of the correction.

[0032] In one embodiment of the conveying and straightening device for copper-aluminum busbars of the present invention, the feeding mechanism is disposed on the feeding path and located downstream of the wide-face straightening component.

[0033] With the feeding mechanism located downstream of the wide-face correction component, the copper and aluminum busbars first undergo bidirectional correction through the correction mechanism before entering the feeding mechanism. This ensures that the copper and aluminum busbars entering the processing station have good straightness and avoids feeding difficulties or inaccurate positioning due to bending of the copper and aluminum busbars. Attached Figure Description

[0034] The accompanying drawings, which form part of this application, are used to provide a further understanding of the application and to make other features, objects, and advantages of the application more apparent. The illustrative embodiments and descriptions of this application are used to explain the application and do not constitute an undue limitation of the application. In the drawings: Figure 1 An assembly structure diagram of the copper-aluminum busbar conveying and straightening device provided in this application; Figure 2 A schematic diagram of the correction mechanism of the conveying and correction device for copper-aluminum busbars provided in this application; Figure 3 A schematic diagram of the correction mechanism of the conveying and correction device for copper-aluminum busbars provided in this application from another perspective; Figure 4 A schematic diagram of the correction mechanism of the conveying and correction device for copper-aluminum busbars provided in this application is shown, illustrating the positional relationship of multiple wide-face correction wheels; Figure 5 A schematic diagram of the correction mechanism of the conveying and correction device for copper-aluminum busbars provided in this application is shown, illustrating the positional relationship of multiple narrow-faced correction wheels; Figure 6 A schematic diagram of the structure of the wide-face correction assembly of the conveying and correction device for copper-aluminum busbars provided in this application; Figure 7 A partial structural schematic diagram of the narrow-face correction assembly of the copper-aluminum busbar conveying and correction device provided in this application; Figure 8 for Figure 7 A magnified view of a portion of the image.

[0035] Figure label: 100. A device for conveying and correcting copper and aluminum busbars; 110. Feeding mechanism; 111. Conveying gear set; 112. Encoder; 120. Calibration mechanism; 121. Calibration wheel assembly; 122. Calibration channel; 123. Calibration section; 130. Narrow face correction assembly; 131. Narrow face correction wheel; 132. Annular groove; 140. Wide-face correction assembly; 141. Wide-face correction wheel; 150. Position adjustment slider; 151. Adjustment screw; 160. Guide wheel assembly; 161. Guide wheel; 170. Frame, A. Feeding direction. Detailed Implementation

[0036] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0037] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate for the embodiments of this application described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0038] In this application, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "lateral," and "longitudinal" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing this application and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation.

[0039] Furthermore, in addition to indicating location or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0040] Furthermore, the terms "installation," "setup," "equipped with," "connection," "linked," and "socketing" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0041] Figure 1 This is a schematic diagram of the overall structure of the conveying and straightening device for copper-aluminum busbars provided by the present invention. Figure 1 As shown, the conveying and straightening device 100 for copper and aluminum busbars of the present invention includes a feeding mechanism 110 and a straightening mechanism 120.

[0042] The feeding mechanism 110 is disposed on the feeding path and is used to convey copper and aluminum bars to the processing station. The feeding mechanism 110 includes a wire feeding gearbox and a feeding drive motor. The wire feeding gearbox has at least one set of conveying gears 111. The copper and aluminum bars are clamped between the meshing parts of the conveying gears 111. The feeding drive motor drives the conveying gears 111 to rotate to convey the copper and aluminum bars.

[0043] The correction mechanism 120 is disposed on the feeding path and located upstream of the feeding mechanism 110. The correction mechanism 120 includes multiple correction wheel assemblies 121, which are arranged along the feeding direction A and distributed on both sides of the feeding path, forming a correction channel 122 in the middle region for the copper and aluminum busbars to pass through. The correction wheel assembly 121 has a correction part 123, which is used to compress the copper and aluminum busbars in the correction channel 122 to cause plastic deformation, thereby adjusting the flatness of their surface.

[0044] Specifically, when the copper-aluminum busbar enters the correction channel 122 along the feeding direction A, the correction wheel assemblies 121 distributed on both sides of the feeding path alternately squeeze the surface of the copper-aluminum busbar from opposite sides, causing the copper-aluminum busbar to form a slight wave-like bend along the feeding direction A within the correction channel 122. Through this alternating squeezing and plastic deformation, the residual stress inside the copper-aluminum busbar is gradually released, and the flatness of the surface is corrected.

[0045] In one embodiment, the correction wheel assembly 121 of the correction mechanism 120 may be configured as two or more sets, with the two or more sets of correction wheel assemblies 121 arranged alternately along the feeding direction A to increase the number of contacts between the correction wheel and the copper-aluminum busbar and improve the correction effect.

[0046] In another embodiment, the width of the correction channel 122 is adjustable by adjusting the spacing between the correction wheel assemblies 121 distributed on both sides of the feeding path to accommodate copper and aluminum busbars of different widths.

[0047] In another embodiment, the feeding mechanism 110 can also be located upstream of the correction mechanism 120, that is, the copper and aluminum busbars first pass through the feeding mechanism 110 and then enter the correction mechanism 120, which can also achieve the coordinated operation of feeding and correction.

[0048] In another embodiment, a feeding guide device may also be provided upstream of the calibration mechanism 120. The feeding guide device is used to guide the copper and aluminum busbars to the entrance of the calibration channel 122 to prevent the copper and aluminum busbars from being unable to accurately enter the calibration channel 122 due to deviation.

[0049] Figure 2 and Figure 3 These are schematic diagrams of the correction mechanism 120 of the copper-aluminum busbar conveying and correction device of the present invention from different perspectives. Figure 2 and Figure 3 As shown, the correction mechanism 120 includes a narrow face correction component 130 and a wide face correction component 140.

[0050] A narrow-face correction assembly 130 is disposed on the feeding path and includes multiple narrow-face correction rollers 131. These rollers 131 abut against the narrow surfaces of the copper-aluminum busbar to correct the flatness of the narrow surfaces. Specifically, the rollers 131 are distributed on both sides of the correction channel 122 and are staggered relative to each other in the feeding direction A. The narrow-face correction rollers 131 located on different sides of the correction channel 122 are alternately distributed along the feeding direction A to alternately press against the copper-aluminum busbar from opposite sides.

[0051] A wide-surface correction assembly 140 is disposed on the feeding path and includes multiple wide-surface correction rollers 141. These rollers 141 abut against the wide surface of the copper-aluminum busbar to correct its flatness. Specifically, the rollers 141 are distributed on both sides of the correction channel 122 and are staggered relative to each other in the feeding direction A. The wide-surface correction rollers 141 located on different sides of the correction channel 122 are alternately distributed along the feeding direction A to alternately press against the copper-aluminum busbar from opposite sides.

[0052] Along the feeding direction A, the wide face correction component 140 is located downstream of the narrow face correction component 130. That is, the copper and aluminum busbars first pass through the narrow face correction component 130 for narrow face correction, and then enter the wide face correction component 140 for wide face correction.

[0053] In another embodiment, the positions of the narrow face correction component 130 and the wide face correction component 140 in the feeding direction A can be interchanged, that is, the wide face correction component 140 is located upstream of the narrow face correction component 130, and the copper and aluminum busbars are first corrected by the wide face and then by the narrow face.

[0054] In another embodiment, a transition bracket may be provided between the narrow face correction component 130 and the wide face correction component 140. This transition bracket is used to provide intermediate support during the process of conveying the copper and aluminum busbars from the narrow face correction component 130 to the wide face correction component 140, so as to avoid the long copper and aluminum busbars from sagging due to their own weight and affecting the correction effect.

[0055] In another embodiment, the narrow face correction component 130 and the wide face correction component 140 can be integrated on the same mounting base to simplify the device structure and improve assembly accuracy.

[0056] Figure 4 This is a schematic diagram of the structure of the wide-face correction assembly of the copper-aluminum busbar conveying and correction device of the present invention, illustrating the positional relationship of multiple wide-face correction wheels 141; Figure 5 This is a schematic diagram of the narrow-face correction component of the present invention, illustrating the positional relationship of multiple narrow-face correction wheels 131. For example... Figure 4 As shown, multiple wide-face straightening wheels 141 are distributed on both sides of the straightening channel 122 and are staggered relative to each other in the feeding direction A. The wide-face straightening wheels 141 located on different sides of the straightening channel 122 are alternately distributed along the feeding direction A to alternately press against the copper and aluminum busbars from opposite sides. Through this alternating arrangement, the copper and aluminum busbars are subjected to clamping forces from different sides in sequence during the feeding process, and the clamping forces are evenly distributed in the feeding direction A, thereby achieving a good effect on the straightness of the wide face.

[0057] like Figure 4 As shown, along the feeding direction A, the distance between two adjacent wide-face correction wheels 141 located upstream is greater than the distance between two adjacent wide-face correction wheels 141 located downstream.

[0058] Specifically, the correction wheels at the inlet end of the wide-face correction assembly 140 are sparsely distributed, while those at the outlet end are densely distributed. When the copper-aluminum busbar enters the wide-face correction assembly 140, the sparser correction wheels at the inlet end apply a smaller correction force, causing a slight initial bend in the busbar. As the busbar continues to advance, the denser correction wheels at the outlet end apply a gradually increasing correction force, causing the bend to gradually increase and then stabilize, ultimately achieving good flatness of the wide face. This variable-spacing arrangement effectively avoids severe deformation or surface damage to the copper-aluminum busbar due to excessive correction force at the inlet end, while ensuring good flatness at the outlet end.

[0059] like Figure 5 As shown, multiple narrow-face straightening wheels 131 are distributed on both sides of the straightening channel 122 and are staggered relative to each other in the feeding direction A. The narrow-face straightening wheels 131 located on different sides of the straightening channel 122 are alternately distributed along the feeding direction A to alternately press against the copper and aluminum busbars from opposite sides. Through this alternating arrangement, the copper and aluminum busbars are subjected to clamping forces from different sides in sequence during the feeding process. The clamping forces are evenly distributed in the feeding direction A, thereby achieving a good narrow-face flatness straightness correction effect.

[0060] In another embodiment, the arrangement of the multiple wide-face correction wheels 141 can also be an equal-spaced arrangement, that is, the spacing between two adjacent wide-face correction wheels 141 is equal, which is suitable for processing scenarios where the correction amount is required to be relatively uniform.

[0061] In another embodiment, the arrangement of the multiple narrow-faced correction wheels 131 can also be such that the distance between the inlet end is greater than the distance between the outlet end, that is, the correction wheels are sparsely distributed at the inlet end and densely distributed at the outlet end, which is suitable for processing scenarios with higher requirements for the straightness of the copper and aluminum outlet ends.

[0062] In another embodiment, the arrangement of the multiple wide-face correction wheels 141 can also be such that the distance between the inlet end is smaller than the distance between the outlet end, that is, the correction wheels are more densely distributed at the inlet end and more sparsely distributed at the outlet end, which is suitable for processing scenarios where the initial bending degree of the copper-aluminum busbar is large and a large correction force needs to be applied at the inlet end.

[0063] In another embodiment, the number of wide-face correction wheels 141 and narrow-face correction wheels 131 can be adjusted according to the material and thickness of the copper-aluminum busbar. For softer or thinner copper-aluminum busbars, the number of correction wheels can be reduced to avoid overcorrection.

[0064] like Figure 5 As shown, along the feeding direction A, the clamping force applied by each narrow-faced correction wheel 131 to the copper and aluminum busbar decreases step by step.

[0065] Specifically, the upstream narrow-face straightening roller 131 applies a large clamping force to the copper-aluminum busbar, causing it to bend significantly in the opposite direction. The midstream narrow-face straightening roller 131 applies a medium clamping force, gradually reducing the bending amplitude of the copper-aluminum busbar. The downstream narrow-face straightening roller 131 applies a small clamping force, gradually straightening the copper-aluminum busbar. Through this step-by-step decreasing clamping force control method, the residual stress of the copper-aluminum busbar is gradually released along the feeding direction A, ultimately achieving good narrow-face straightness.

[0066] In another embodiment, the clamping force applied by each narrow-faced straightening wheel 131 to the copper-aluminum busbar can also be uniformly distributed, that is, each narrow-faced straightening wheel 131 applies the same clamping force, which is suitable for processing scenarios where the initial straightness of the copper-aluminum busbar is good.

[0067] In another embodiment, the clamping force of each narrow-face correction wheel 131 can be adjusted independently by adjusting screw 151. The operator can adjust the clamping force of each narrow-face correction wheel 131 according to the material, thickness and initial degree of curvature of the copper and aluminum busbar to obtain the best correction effect.

[0068] In another embodiment, the clamping force of each narrow-face correction wheel 131 can also be automatically adjusted according to the real-time detection results of the copper and aluminum busbars. By setting a flatness detection sensor at the outlet end of the correction mechanism 120, the control module automatically adjusts the clamping force of each narrow-face correction wheel 131 according to the detection results.

[0069] Figure 7 This is a partial structural schematic diagram of the narrow-face correction component 130 of the copper-aluminum busbar conveying and correction device of the present invention. Figure 8 for Figure 7 A magnified view of a portion of the image. For example... Figure 7 and Figure 8As shown, an annular groove 132 is provided circumferentially on the surface of the narrow-faced correction wheel 131. The annular groove 132 is used to accommodate the edge of the copper-aluminum busbar, and the groove wall of the annular groove 132 forms the correction part 123. The groove wall abuts against the surface of the copper-aluminum busbar to compress the copper-aluminum busbar.

[0070] The cross-sectional shape of the annular groove 132 is adapted to the cross-sectional shape of the side of the copper-aluminum busbar, so that the side of the copper-aluminum busbar is at least partially embedded in the annular groove 132, thereby increasing the contact area between the narrow-faced correction wheel 131 and the copper-aluminum busbar.

[0071] Specifically, when the copper-aluminum busbar passes through the calibration channel 122, the edge of the copper-aluminum busbar is embedded in the annular groove 132 of the narrow-face calibration wheel 131. The groove wall of the annular groove 132 abuts against the surface of the copper-aluminum busbar from both sides in the narrow face direction and applies a clamping force. Through the containment and limiting effect of the annular groove 132 on the edge of the copper-aluminum busbar, the copper-aluminum busbar is not easy to shift or fall out of the calibration channel 122 during the calibration process, thereby ensuring the stability of the calibration.

[0072] In another embodiment, the depth of the annular groove 132 can be selected according to the thickness of the copper-aluminum busbar. For thicker copper-aluminum busbars, a deeper annular groove 132 is selected to ensure that the edges of the copper-aluminum busbar can be fully embedded; for thinner copper-aluminum busbars, a shallower annular groove 132 is selected to avoid excessive compression that could cause deformation of the copper-aluminum busbar.

[0073] In another embodiment, the wide-face correction wheel 141 also has an annular groove 132 circumferentially formed on its surface. The annular groove 132 is used to accommodate the wide side of the copper-aluminum busbar, and its groove wall abuts against the wide surface of the copper-aluminum busbar to compress the copper-aluminum busbar.

[0074] In another embodiment, the surface of the groove wall of the annular groove 132 is provided with a wear-resistant coating, which is used to reduce the friction and wear between the groove wall of the annular groove 132 and the copper-aluminum busbar, and extend the service life of the narrow face correction wheel 131.

[0075] In another embodiment, the cross-sectional shape of the annular groove 132 of the narrow-face correction wheel 131 can also be V-shaped or trapezoidal to accommodate copper and aluminum busbars with different cross-sectional shapes.

[0076] like Figure 1 As shown, the feeding mechanism 110 includes a wire feeding gearbox, a feeding drive motor, and an encoder 112. The wire feeding gearbox has at least one set of conveying gears 111, and the copper and aluminum bars are clamped between the meshing parts of the conveying gears 111. The feeding drive motor is connected to the conveying gears 111 for transmission, and drives the conveying gears 111 to rotate to convey the copper and aluminum bars.

[0077] Each set of conveying gears 111 includes a driving gear and a driven gear that mesh with each other, with the copper-aluminum busbar clamped between the meshing parts of the driving and driven gears. Each driving gear is connected to the feeding drive motor through the same transmission shaft to achieve synchronous rotation, thereby ensuring the smooth conveying of the copper-aluminum busbar.

[0078] The encoder 112 is mounted on the wire feeding gearbox and is used to detect the rotation angle of the conveying gear set 111 in real time and output a detection signal. Specifically, the encoder 112 is coaxially connected to the output shaft of the feeding drive motor or the driving gear of the conveying gear set 111. When the feeding drive motor drives the conveying gear set 111 to rotate, the encoder 112 synchronously detects the rotation angle and generates a pulse signal.

[0079] The control module is electrically connected to the encoder 112 and the feeding drive motor respectively. The control module calculates the actual feeding position of the copper-aluminum busbar based on the detection signal of the encoder 112, compares the actual feeding position with the target feeding position, and controls the feeding drive motor to perform speed compensation based on the comparison result.

[0080] Specifically, when the actual feeding position lags behind the target feeding position, the control module controls the feeding drive motor to increase its speed; when the actual feeding position leads the target feeding position, the control module controls the feeding drive motor to decrease its speed. This closed-loop control method ensures the feeding accuracy of the copper and aluminum busbars.

[0081] In another embodiment, multiple sets of conveying gear sets 111 can be provided, and the multiple sets of conveying gear sets 111 are arranged at intervals along the feeding direction A, with the gear transmission ratio of each conveying gear set 111 being 1:1.

[0082] In another embodiment, encoder 112 is an absolute encoder or an incremental encoder. An absolute encoder can retain position information after power failure, while an incremental encoder has the advantage of lower cost.

[0083] In another embodiment, the feeding mechanism 110 further includes a clamping force adjusting device for adjusting the meshing clearance between the driving gear and the driven gear to accommodate copper and aluminum bars of different thicknesses, ensuring that the copper and aluminum bars are stably clamped between the meshing parts.

[0084] In another embodiment, feeding guide grooves are provided upstream and downstream of the feeding mechanism 110, respectively. The feeding guide grooves are used to guide the copper and aluminum bars to accurately enter and leave the meshing part of the conveying gear set 111, so as to avoid the copper and aluminum bars from being misaligned and causing poor conveying.

[0085] like Figure 7 and Figure 8As shown, the narrow-face correction wheel 131 is movably mounted on the frame 170 via a position adjustment slider 150. The position adjustment slider 150 is connected to an adjustment screw 151. Rotating the adjustment screw 151 drives the position adjustment slider 150 to move in a direction closer to or further away from the copper-aluminum busbar, thereby adjusting the clamping force between the narrow-face correction wheel 131 and the copper-aluminum busbar.

[0086] Specifically, when it is necessary to increase the clamping force of the narrow-faced straightening wheel 131 on the copper-aluminum busbar, the adjusting screw 151 is rotated forward. The adjusting screw 151 drives the position adjusting slider 150 to move closer to the copper-aluminum busbar. The narrow-faced straightening wheel 131 moves synchronously with the position adjusting slider 150, reducing the gap between the narrow-faced straightening wheel 131 and the copper-aluminum busbar, thus increasing the clamping force. When it is necessary to decrease the clamping force of the narrow-faced straightening wheel 131 on the copper-aluminum busbar, the adjusting screw 151 is rotated in the reverse direction. The adjusting screw 151 drives the position adjusting slider 150 to move away from the copper-aluminum busbar, increasing the gap between the narrow-faced straightening wheel 131 and the copper-aluminum busbar, thus decreasing the clamping force.

[0087] Through the above adjustment method, the operator can flexibly adjust the clamping force between each narrow-face correction wheel 131 and the copper-aluminum busbar according to the material, thickness and initial degree of curvature of the copper-aluminum busbar, so as to obtain the best correction effect.

[0088] In another embodiment, the wide-face correction wheel 141 is also movably mounted on the frame 170 via a position adjustment slider 150. The position adjustment slider 150 is connected to an adjustment screw 151. Rotating the adjustment screw 151 drives the position adjustment slider 150 to move in a direction closer to or further away from the copper-aluminum busbar, thereby adjusting the clamping force between the wide-face correction wheel 141 and the copper-aluminum busbar.

[0089] In another embodiment, each narrow-face correction wheel 131 and each wide-face correction wheel 141 is respectively provided with a position adjustment slider 150, and each position adjustment slider 150 moves independently to independently adjust the clamping force between each correction wheel and the copper-aluminum bar.

[0090] In another embodiment, a locking device is provided between the position adjustment slider 150 and the frame 170. After the adjustment is completed, the position adjustment slider 150 is fixed on the frame 170 by the locking device to prevent the position adjustment slider 150 from being displaced due to vibration during the calibration process.

[0091] like Figure 2 As shown, a guide wheel assembly 160 is also provided upstream of the narrow face correction assembly 130. The guide wheel assembly 160 includes guide wheels 161 that are disposed opposite each other on both sides of the feeding path. There is a gap between the guide wheels 161 and the surface of the copper and aluminum busbars. The guide wheels 161 only provide guidance for the feeding direction of the copper and aluminum busbars and do not participate in the straightness correction of the copper and aluminum busbars.

[0092] Specifically, when the copper-aluminum busbar enters the calibration mechanism 120, it first passes through the guide wheel assembly 160. The guide wheels 161 of the guide wheel assembly 160 guide the copper-aluminum busbar from both sides, ensuring that the copper-aluminum busbar enters the calibration channel 122 in the correct posture. Since there is a gap between the guide wheel 161 and the surface of the copper-aluminum busbar, the guide wheel 161 does not apply a clamping force to the copper-aluminum busbar, and therefore will not affect the straightness of the copper-aluminum busbar.

[0093] In another embodiment, the gap between the guide wheel 161 and the surface of the copper-aluminum busbar is adjustable to accommodate copper-aluminum busbars of different widths.

[0094] In another embodiment, the guide wheel assembly 160 may also be disposed upstream of the wide face correction assembly 140, i.e., between the narrow face correction assembly 130 and the wide face correction assembly 140, to provide re-guidance as the copper-aluminum busbar enters the wide face correction assembly 140 from the narrow face correction assembly 130.

[0095] In another embodiment, the surface of the guide wheel 161 is provided with a flexible material layer, which is used to reduce scratches on the surface of the copper-aluminum busbar when it comes into contact with the edge of the copper-aluminum busbar during the guiding process.

[0096] In the correction mechanism 120, the narrow face correction component 130 and the wide face correction component 140 are arranged sequentially along the feeding direction A, and the multiple narrow face correction wheels 131 of the narrow face correction component 130 and the multiple wide face correction wheels 141 of the wide face correction component 140 cooperate with each other in space to jointly realize the bidirectional correction of the copper and aluminum busbars.

[0097] Specifically, the copper-aluminum busbar first enters the correction channel 122 of the narrow-face correction assembly 130. Multiple narrow-face correction rollers 131 alternately press against the copper-aluminum busbar from both sides of the narrow face direction along the feeding direction A, causing the copper-aluminum busbar to bend slightly in the narrow face direction, thus correcting the straightness of the narrow face. Subsequently, the copper-aluminum busbar enters the correction channel 122 of the wide-face correction assembly 140. Multiple wide-face correction rollers 141 alternately press against the copper-aluminum busbar from both sides of the wide face direction along the feeding direction A, causing the copper-aluminum busbar to bend slightly in the wide face direction, thus correcting the straightness of the wide face.

[0098] With the successive cooperation of the narrow face correction component 130 and the wide face correction component 140, the straightness of the copper-aluminum busbar in both the narrow and wide face directions is corrected, providing straight raw materials for subsequent punching and bending processes.

[0099] In another embodiment, an intermediate guide device may be provided between the narrow face correction component 130 and the wide face correction component 140. This intermediate guide device is used to maintain the stability of the conveying direction of the copper-aluminum busbar when it transitions from the narrow face correction component 130 to the wide face correction component 140.

[0100] In another embodiment, the narrow face correction assembly 130 and the wide face correction assembly 140 may share the same set of racks 170 to simplify the equipment structure and improve assembly accuracy.

[0101] In another embodiment, the center line of the correction channel 122 of the narrow correction assembly 130 coincides with the center line of the correction channel 122 of the wide correction assembly 140 to ensure that the copper-aluminum busbar does not shift when transported between the two correction assemblies.

[0102] In summary, the conveying and straightening device for copper-aluminum busbars of the present invention offers the following advantages: By arranging multiple correction wheel assemblies along the feeding direction and distributing them on both sides and in the middle of the feeding path to form a correction channel, and by using the correction part to squeeze the copper and aluminum busbars to produce plastic deformation and thus adjust their surface flatness, active correction of the flatness of the copper and aluminum busbars is achieved. The copper and aluminum busbars are continuously plastically deformed by the alternating squeezing of multiple correction wheel assemblies in the correction channel. This is different from passive devices that only play a guiding or clamping role, and solves the technical problem of poor correction effect in the prior art.

[0103] By staggering the narrow and wide correction wheels in the feeding direction and alternating the correction wheels on different sides of the correction channel along the feeding direction, the copper and aluminum busbars are subjected to clamping forces from different sides in sequence during the feeding process. Only one side of the correction wheel contacts the copper and aluminum busbars on the same cross-section, avoiding stress concentration caused by simultaneous pressure from both sides on the same cross-section when they are directly opposite each other. This makes the clamping force more evenly distributed in the feeding direction and significantly improves the correction effect.

[0104] By using a variable spacing arrangement where the upstream spacing of the wide-faced straightening wheels is greater than the downstream spacing, the copper and aluminum busbars are subjected to a gradually increasing straightening force from the inlet to the outlet during the straightening process. This avoids the risk of severe deformation or surface damage to the copper and aluminum busbars caused by applying excessive straightening force at once, thus achieving a gradual application of the straightening force and ensuring the stability of the straightening process and the final straightness. Furthermore, by gradually decreasing the clamping force of each narrow-faced straightening wheel along the feeding direction, precise control of the straightening force is achieved, further improving the straightening quality.

[0105] The calibration wheel has an annular groove on its surface, with the groove wall forming the calibration section. The cross-sectional shape of the annular groove matches the cross-sectional shape of the copper-aluminum busbar edge. The copper-aluminum busbar edge is embedded in the annular groove, increasing the contact area between the calibration wheel and the copper-aluminum busbar. This makes the clamping force more evenly distributed on the surface of the copper-aluminum busbar, avoiding indentations or damage to the surface of the copper-aluminum busbar due to excessive local pressure. At the same time, the annular groove's containment and limiting effect on the copper-aluminum busbar edge ensures the stability of the calibration process.

[0106] By using an encoder to detect the rotation angle of the conveying gear set in real time and feeding it back to the control module, the control module calculates the actual feeding position based on the detection signal and compares it with the target feeding position. Based on the comparison result, it controls the feeding drive motor to perform speed compensation in a closed-loop control mode, which realizes automatic correction of the feeding position, ensures the feeding accuracy of the copper and aluminum busbars, and provides a guarantee for the positioning accuracy of subsequent processing steps.

[0107] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A conveying and straightening device for copper-aluminum busbars, characterized in that, include: A feeding mechanism is provided on the feeding path for conveying the copper-aluminum busbar to the processing station; A correction mechanism is provided on the feeding path and located upstream of the feeding mechanism. The correction mechanism includes multiple correction wheel assemblies, which are arranged along the feeding direction and distributed on both sides of the feeding path, forming a correction channel in the middle area for the copper-aluminum busbar to pass through. The correction wheel assembly has a correction section, which is used to squeeze the copper-aluminum busbar in the correction channel to produce plastic deformation and thereby adjust the flatness of its surface.

2. The conveying and straightening device for copper-aluminum busbars according to claim 1, characterized in that, The correction mechanism includes a narrow-face correction component and a wide-face correction component: The narrow surface correction component is disposed on the feeding path and includes multiple narrow surface correction rollers. The multiple narrow surface correction rollers abut against the narrow surface of the copper-aluminum busbar to correct the flatness of the narrow surface of the copper-aluminum busbar. The wide surface correction component is disposed on the feeding path and includes multiple wide surface correction wheels. The multiple wide surface correction wheels abut against the wide surface of the copper-aluminum busbar to correct the flatness of the wide surface of the copper-aluminum busbar. Wherein, along the feeding direction, the wide face correction component is located downstream of the narrow face correction component, or the narrow face correction component is located downstream of the wide face correction component.

3. The conveying and straightening device for copper-aluminum busbars according to claim 2, characterized in that, Multiple narrow-faced correction wheels are distributed on both sides of the correction channel and are staggered from each other in the feeding direction; Multiple wide-faced correction wheels are distributed on both sides of the correction channel and are staggered from each other in the feeding direction.

4. The conveying and straightening device for copper-aluminum busbars according to claim 2, characterized in that, Along the feeding direction, the distance between two adjacent wide-face correction wheels located upstream is greater than the distance between two adjacent wide-face correction wheels located downstream.

5. The conveying and straightening device for copper-aluminum busbars according to claim 3, characterized in that, Along the feeding direction, the clamping force applied by each of the narrow-faced correction wheels to the copper-aluminum busbar decreases step by step.

6. The conveying and straightening device for copper-aluminum busbars according to any one of claims 1-5, characterized in that, The narrow-faced correction wheel and / or the wide-faced correction wheel have an annular groove along the circumferential direction on their surfaces. The annular groove is used to accommodate the edge of the copper-aluminum busbar. The groove wall of the annular groove forms the correction part. The groove wall abuts against the surface of the copper-aluminum busbar to compress the copper-aluminum busbar.

7. The conveying and straightening device for copper-aluminum busbars according to claim 6, characterized in that, The cross-sectional shape of the annular groove is adapted to the cross-sectional shape of the edge of the copper-aluminum busbar, so that the edge of the copper-aluminum busbar is at least partially embedded in the annular groove, thereby increasing the contact area between the correction wheel and the copper-aluminum busbar.

8. The conveying and straightening device for copper-aluminum busbars according to any one of claims 1-5, characterized in that, The feeding mechanism includes: A wire feeding gearbox has at least one set of conveying gears, and the copper-aluminum busbar is clamped between the meshing portions of the conveying gears; A feeding drive motor is connected to the conveying gear set and drives the conveying gear set to rotate in order to convey the copper-aluminum busbar.

9. The conveying and straightening device for copper-aluminum busbars according to claim 8, characterized in that, Each set of conveying gears includes a driving gear and a driven gear that mesh with each other. The copper-aluminum busbar is clamped between the meshing parts of the driving gear and the driven gear. Each driving gear is connected to the feeding drive motor through the same transmission shaft to achieve synchronous rotation.

10. The conveying and straightening device for copper-aluminum busbars according to claim 8, characterized in that, The feeding mechanism also includes an encoder, which is mounted on the wire feeding gearbox and is used to detect the rotation angle of the conveying gear set in real time and output a detection signal; It also includes a control module, which is electrically connected to the encoder and the feeding drive motor respectively. The control module calculates the actual feeding position of the copper-aluminum busbar based on the detection signal of the encoder, compares the actual feeding position with the target feeding position, and controls the feeding drive motor to perform speed compensation based on the comparison result.

11. The conveying and straightening device for copper-aluminum busbars according to any one of claims 2-5, characterized in that, The narrow-face correction wheel and / or the wide-face correction wheel are respectively movably mounted on the frame via position adjustment sliders. The position adjustment sliders are connected to adjustment screws. Rotating the adjustment screws drives the position adjustment sliders to move in a direction closer to or further away from the copper-aluminum busbar, so as to adjust the clamping force between the correction wheel and the copper-aluminum busbar.

12. The conveying and straightening device for copper-aluminum busbars according to claim 2, characterized in that, The narrow face correction component is also provided with a guide wheel assembly upstream. The guide wheel assembly includes guide wheels that are arranged opposite to each other on both sides of the feeding path. There is a gap between the guide wheels and the surface of the copper-aluminum busbar, which only provides guidance for the feeding direction of the copper-aluminum busbar.

13. The conveying and straightening device for copper-aluminum busbars according to claim 2, characterized in that, The feeding mechanism is located on the feeding path and downstream of the wide-face correction component.

Images