Copper rod bending section device and detection method thereof

Abstract

The invention discloses a copper bar bending section device and a detection method thereof.The copper bar bending section device comprises a rack, an H-shaped horizontal frame is fixed to one end of the interior of the rack, and a double-station hydraulic bending machine used for synchronously bending two straight copper bar workpieces into a U shape is installed in the portion, above the H-shaped horizontal frame, of the interior of the rack; supporting pieces are fixed to the left outer wall and the right outer wall of the rack correspondingly, two symmetrical supporting tables are slidably installed between the two supporting pieces, and the supporting tables slide in the Y-axis direction. The double-station hydraulic bending machine can complete high-precision bending operation in a short time, the revolution type section detection module can conduct detection on the bending portion of the copper bar along the outer wall of the copper bar, the probe can conduct comprehensive scanning on the bending portion of the copper bar through rotation driving, and it is ensured that no matter which position of the U-shaped bending portion is, the bending position of the U-shaped bending portion can be accurately detected. And the probe can obtain sufficient section information.

Description

Technical Field

[0001] The present invention relates to the technical field of copper rod processing, and particularly to a copper rod bending cross-section device and a detection method thereof. Background Art

[0002] The copper rod bending cross-section device and the ultrasonic cross-section detection technology play a crucial role in the quality control and performance evaluation of copper rods. The copper rod bending cross-section device can effectively evaluate its bending strength, ductility and other properties by simulating the bending stress in actual use and testing the mechanical behaviors of copper rods under different loads, such as deformation, yield, fracture and other characteristics. The basic structure of this device includes a support platform, a bending force application system and a monitoring system. Through precise force sensing and deformation monitoring, it can provide strong support for material research and production process optimization. The ultrasonic cross-section detection technology is an efficient non-destructive detection method. By the propagation characteristics of ultrasonic signals inside the copper rod, it can detect the defects, material inhomogeneity and thickness and other information inside the copper rod. Its structure mainly includes an ultrasonic probe, a signal processor and a display device. By analyzing the ultrasonic reflection signal, it can judge whether there are cracks, pores or other defects inside the copper rod to ensure the reliability of the copper rod in use; For example, a copper rod bending cross-section device and a detection method thereof disclosed in the authorized publication number CN116618490A include: a cabinet with a cavity structure inside, and struts are installed on both sides of the top of the cabinet; a bending component installed on one side of the outer top of the cabinet; a bending adjustment component installed on one side of the inner bottom of the cabinet, and the bending die of the bending adjustment component is located on the other side of the outer top of the cabinet. The bending die and the bending component are respectively located on both sides of the copper rod, and it can bend the copper rod with various radian to produce copper rods with various different radian, and can immediately detect the bending condition of the copper rod after bending. Thus, it can be seen that the existing copper rod bending cross-section technology and the cross-section detection operation method are basically the same, that is, by simulating the bending stress in actual use to evaluate the mechanical properties of the copper rod; the latter uses a non-destructive method to detect the defects and material inhomogeneity inside the copper rod. However, during its use, the staff needs to hold the ultrasonic detection probe and move it at the bending part of the copper rod to obtain the complete cross-section information of the copper tube. For U-shaped copper rods, the bending area of the copper rod is long and the shape of the bending part is complex. When performing ultrasonic detection, the staff needs to move along the long bending part to obtain the complete cross-section information. During this process, the staff needs to gradually adjust the position of the probe and recalibrate the signal reception every time it moves a small distance. This operation method will undoubtedly increase the workload and time of detection and affect the overall detection efficiency. Especially for long bending areas, the staff needs to highly concentrate to ensure the accuracy of the operation in order to avoid errors caused by operation fatigue and hand shaking. Summary of the Invention

[0003] The purpose of the present invention is to provide a copper bar bending cross-section device and its detection method. The double-station hydraulic bending machine is used to bend two copper bars into a U shape. After the bending is completed, the Z-axis lifting assembly controls the bidirectional synchronous electric positioning assembly, the support table, and the revolution-type cross-section detection module to lift until the revolution center of the revolution-type cross-section detection module is concentric with the center of the U-shaped copper bar. Then, the bidirectional synchronous electric positioning assembly moves the two support tables and the two revolution-type cross-section detection modules away until the probe in the revolution-type cross-section detection module contacts the outer wall of the U-shaped copper bar. The rotation drive assembly is used to make the two revolution-type cross-section detection modules work together, so that the probe in the revolution-type cross-section detection module passes through the bending part of the U-shaped copper bar and completes the cross-section detection, in order to solve the problems raised in the above background technology.

[0004] To achieve the above object, the present invention provides the following technical solutions: A copper bar bending cross-section device, comprising: A frame, at one end inside the frame is fixed an H-shaped horizontal frame, and inside the frame above the H-shaped horizontal frame is installed a double-station hydraulic bending machine for synchronously bending two straight copper bar workpieces into a U shape. On the left and right outer walls of the frame are fixed support members, and two symmetric support tables are slidably installed between the two support members. The support tables slide in the Y-axis direction. On one outer wall of the frame is installed a bidirectional synchronous electric positioning assembly for driving the two support tables to slide towards each other in the Y-axis direction. At the top of each of the two support tables is installed a revolution-type cross-section detection module for detecting the cross-section of the bending part of the U-shaped copper bar. On one side inside the frame is installed a rotation drive assembly for driving the two revolution-type cross-section detection modules to work synchronously; A Z-axis lifting assembly, which is arranged at the bottom of the frame and is used to drive the support tables, the revolution-type cross-section detection modules, and the rotation drive assembly to slide in the Z-axis direction. On one outer wall of the frame is installed a PLC control panel, and the output terminals of the PLC control panel are electrically connected to the input terminals of the double-station hydraulic bending machine, the bidirectional synchronous electric positioning assembly, the Z-axis lifting assembly, and the rotation drive assembly respectively.

[0005] Preferably, the double-station hydraulic bending machine includes a first hydraulic cylinder installed at the center position of the top of the frame, a steel plate installed at the bottom end of the piston rod of the first hydraulic cylinder, and cross beams installed on both sides of the bottom end of the steel plate. At the bottom end of the cross beam is fixed a U-shaped upper template.

[0006] Preferably, the double-station hydraulic bending machine further includes lower bending templates installed on both sides of the top of the H-shaped horizontal frame and U-shaped cutting grooves arranged on the inner wall along the lower bending templates. The U-shaped upper template moves downward under the drive of the first hydraulic cylinder and enters the U-shaped cutting grooves of the lower bending templates to bend the copper bar into a U shape.

[0007] Preferably, the two supporting platforms are located below the H-shaped lying rack. The bidirectional synchronous electric position adjustment assembly includes a bidirectional lead screw linear module installed on the outer wall of one side of the rack, two symmetric support arms slidably installed on the outer walls of the opposite sides of the two support members, and guide members slidably installed for lifting on both sides inside the support arms. The top end of the guide member is fixedly connected to the bottom end of the supporting platform.

[0008] Preferably, right-angle edge plates are installed on both mobile ends of the bidirectional lead screw linear module. One end of the right-angle edge plate extends below the support arm, and the top end of the right-angle edge plate is fixedly connected to the bottom end of the support arm.

[0009] Preferably, the Z-axis lifting assembly includes a second hydraulic cylinder installed on one side of the bottom of the rack, a bottom plate installed at the top end of the piston rod of the second hydraulic cylinder, and a sliding seat installed at the edge position of the top end of the bottom plate through a guide rail and a slider. The bottom end of the guide member is fixedly connected to the bottom end of the sliding seat.

[0010] Preferably, the revolution cross-section detection module includes a shaft frame fixed to the top end of the supporting platform, an internal spline shaft rotatably installed inside the shaft frame, a turntable fixed to one end of the surface of the internal spline shaft, and a regulator installed on the outer wall of one side of the turntable. An ultrasonic probe is installed at the end of the regulator. A notch portion for the ultrasonic probe to slide is provided on one side of the surface of the turntable.

[0011] Preferably, the rotation drive assembly includes a T-shaped convex seat slidably installed on the outer wall of one side of the rotation drive assembly and a double-shaft motor installed on the outer wall of one side of the T-shaped convex seat. Outer spline shafts are installed at the ends of the two output shafts of the double-shaft motor, and one end of the outer spline shaft extends into the interior of the internal spline shaft.

[0012] Preferably, the regulator includes a notch-type bolted seat fixed to the outer wall of one side of the turntable and a connecting rod installed inside the notch-type bolted seat. The ultrasonic probe is installed at one end of the connecting rod.

[0013] The present invention also provides a method for detecting the bent cross-section of a copper rod. For the copper rod bent cross-section device as described above, it includes the following steps: S101: Steadily place two copper rod workpieces to be bent in the double-station hydraulic bending machine, ensuring that the copper rods are aligned and stable before starting the operation. During this process, attention needs to be paid to the specifications and positions of the copper rods to ensure that they match the specification requirements of the device, and both ends of the copper rods need to be flat. S102: After confirming that the copper rods are correctly placed, the staff starts the double-station hydraulic bending machine through the PLC control panel, and the hydraulic system starts to work. Then the double-station hydraulic bending machine adjusts the hydraulic pressure and the bending path, gradually bending the copper rods into a preset U shape. Since a double-station hydraulic bending machine is used, during the bending process, the two copper rods will be bent synchronously, and it is ensured that the two copper rods are bent within the same time. S103: After the bending is completed, the staff needs to start the Z-axis lifting assembly through the PLC control panel and begin to adjust the height positions of the bidirectional synchronous electric positioning assembly, the turntable, and the rotary cross-section detection module until the rotary cross-section detection module is concentric with the center of the bending path of the U-shaped copper bar. Subsequently, the bidirectional synchronous electric positioning assembly is used to move the two turntables and the two rotary cross-section detection modules away from each other until the probe in the rotary cross-section detection module contacts the outer wall of the U-shaped copper bar; S104: When the probe contacts the outer wall of the U-shaped copper bar, the staff starts the rotary drive assembly to work through the PLC control panel. The rotary drive assembly synchronously transmits the rotary power to the two rotary cross-section detection modules. Through rotation drive, the probe in the rotary cross-section detection module rotates and scans along the outer wall of the bending part of the U-shaped copper bar, comprehensively detecting along the U-shaped bending part. Then, the rotary cross-section detection module gradually passes through the bending part of the copper bar and obtains the cross-sectional data of each part of the copper bar. The rotary cross-section detection module judges whether the cross-section of the copper bar meets the requirements by feeding back information to the PLC control panel. The staff needs to judge whether there are defects, such as irregular cross-sections or deformations, according to the detection results and make timely adjustments; S105: After completing the bending and detection operations, the staff cleans the device and records the production data of each batch of products. Finally, the staff removes the qualified copper bars from the double-station hydraulic bending machine.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: The copper rod bending cross-section device and its detection method use a double-station hydraulic bending machine to bend two copper rods into a U shape. After the bending is completed, the Z-axis lifting assembly controls the bidirectional synchronous electric positioning assembly, the support table, and the revolving cross-section detection module to lift until the revolving center of the revolving cross-section detection module is concentric with the center of the U-shaped copper rod. Then, the bidirectional synchronous electric positioning assembly moves the two support tables and the two revolving cross-section detection modules away until the probe in the revolving cross-section detection module contacts the outer wall of the U-shaped copper rod. The rotation drive assembly is used to make the two revolving cross-section detection modules work together, so that the probe in the revolving cross-section detection module passes through the bent part of the U-shaped copper rod and completes the cross-section inspection; the use of the double-station hydraulic bending machine provides strong and stable power through the hydraulic system, ensuring that the copper rod can maintain uniform stress during the bending process, avoiding bending errors caused by uneven stress. At the same time, the hydraulic bending machine can complete high-precision bending operations in a short time, thereby effectively improving production efficiency. After the bending is completed, combined with the automatic positioning function of the Z-axis lifting assembly, the revolving cross-section detection module can be accurately concentric with the center of the U-shaped copper rod, ensuring that the cross-section detection module is always aligned with the bent part of the copper rod. This precise positioning method makes each detection accurate and error-free, and the revolving cross-section detection module can detect along the outer wall of the bent part of the copper rod. The probe can comprehensively scan the bent part of the copper rod through rotation drive, ensuring that no matter which position in the U-shaped bent part, the probe can obtain sufficient cross-section information, so that the detection accuracy is greatly improved, thereby improving the quality control ability of U-shaped copper rod products; Secondly, the bidirectional synchronous electric positioning assembly and the revolving center control can accurately control the contact angle and pressure between the probe and the copper rod surface, ensuring that the probe can uniformly and stably contact the workpiece surface at each position in the bending area, reducing the skill requirements of operators, and at the same time reducing errors caused by fatigue or improper operation, improving the reliability and consistency of detection; Finally, through the automatic lifting and rotation of the revolving cross-section detection module, the entire detection process no longer requires manual operation, greatly reducing the labor intensity of workers, while improving the efficiency and stability of the production line. Even in a high-intensity production environment, the device can operate continuously and stably, ensuring the seamless connection of the production process. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is the front view structural schematic diagram of the present invention; Figure 2 is the side view structural schematic diagram of the present invention; Figure 3 is the three-dimensional sectional structural schematic diagram of the present invention; Figure 4 is the three-dimensional structural schematic of the present invention Figure 1 ; Figure 5 Schematic diagram of the three-dimensional structure of the present invention Figure 2 ; Figure 6 Schematic diagram of the three-dimensional structure of the two-way synchronous electric position adjustment assembly according to the second embodiment of the present invention; Figure 7 Schematic diagram of the three-dimensional structure of the Z-axis lifting assembly according to the second embodiment of the present invention; Figure 8 Schematic diagram of the three-dimensional structure of the revolving cross-section detection module according to the third embodiment of the present invention Figure 1 ; Figure 9 Schematic diagram of the three-dimensional structure of the revolving cross-section detection module according to the third embodiment of the present invention Figure 2 。

[0016] In the figure: 1, frame; 2, H-shaped horizontal frame; 3, double-station hydraulic bending machine; 301, first hydraulic cylinder; 302, cross beam; 303, U-shaped upper template; 304, lower bending template; 305, U-shaped cutting groove; 4, PLC control panel; 5, support member; 6, two-way synchronous electric position adjustment assembly; 601, two-way lead screw linear module; 602, support arm; 603, guide member; 7, support table; 8, Z-axis lifting assembly; 801, second hydraulic cylinder; 802, bottom plate; 803, sliding seat; 9, revolving cross-section detection module; 901, shaft frame; 9011, internal spline shaft; 902, turntable; 903, external spline shaft; 904, notch part; 905, regulator; 906, ultrasonic probe; 10, rotary drive assembly. Specific embodiments

[0017] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0018] Embodiment 1, given by Figures 1 to 5 The present invention includes a frame 1, an H-shaped horizontal frame 2 is fixed at one end inside the frame 1, and a double-station hydraulic bending machine 3 for synchronously bending two straight copper bar workpieces into a U shape is installed inside the frame 1 above the H-shaped horizontal frame 2. Support members 5 are fixed on the left and right outer walls of the frame 1. Two symmetrical support tables 7 are slidably installed between the two support members 5. The support tables 7 slide in the Y-axis direction. A two-way synchronous electric position adjustment assembly 6 for driving the two support tables 7 to slide towards each other in the Y-axis direction is installed on one outer wall of the frame 1. Revolving cross-section detection modules 9 for detecting the cross-section of the bent part of the U-shaped copper bar are installed at the tops of the two support tables 7. A rotary drive assembly 10 for driving the two revolving cross-section detection modules 9 to work synchronously is installed on one side inside the frame 1; The Z-axis lifting assembly 8 is arranged at the bottom of the frame 1 and is used to drive the turntable 7, the rotary cross-section detection module 9, and the rotary drive assembly 10 to slide in the Z-axis direction. A PLC control panel 4 is installed on the outer wall of one side of the frame 1. The output terminals of the PLC control panel 4 are respectively electrically connected to the input terminals of the double-station hydraulic bending machine 3, the two-way synchronous electric positioning assembly 6, the Z-axis lifting assembly 8, and the rotary drive assembly 10; The double-station hydraulic bending machine 3 includes a first hydraulic cylinder 301 installed at the center position of the top end of the frame 1, a steel plate installed at the bottom end of the piston rod of the first hydraulic cylinder 301, and cross beams 302 installed on both sides of the bottom end of the steel plate. A U-shaped upper template 303 is fixed to the bottom end of the cross beam 302. The double-station hydraulic bending machine 3 further includes lower bending templates 304 installed on both sides of the top end of the H-shaped horizontal frame 2 and a U-shaped cutting groove 305 arranged on the inner wall along the lower bending templates 304. The U-shaped upper template 303 moves downward under the drive of the first hydraulic cylinder 301 and enters the U-shaped cutting groove 305 of the lower bending template 304 to bend the copper rod into a U shape; The staff places the copper rods to be bent on the top end of the lower bending template 304 and ensures that the ends of the copper rods are aligned. Subsequently, the staff starts the first hydraulic cylinder 301 to work through the PLC control panel 4. The first hydraulic cylinder 301 drives the cross beam 302 and the U-shaped upper template 303 to move downward. Then, the U-shaped upper template 303 presses the copper rod into the U-shaped cutting groove 305 of the lower bending template 304, making the copper rod in a U shape. The double-station design of the double-station hydraulic bending machine 3 can process two workpieces simultaneously, and the hydraulic stability and adjustability of the first hydraulic cylinder 301 make the bending process more precise, achieving a high-quality bending effect.

[0019] A detection method for the bent cross-section of a copper rod in this embodiment, such as the copper rod bending cross-section device described above, includes the following steps: S101: Place two copper rod workpieces to be bent steadily in the double-station hydraulic bending machine 3, ensure that the copper rods are aligned and stable before starting the operation. During this process, attention needs to be paid to the specifications and positions of the copper rods to ensure that they match the specifications of the device, and both ends of the copper rods need to be flat; S102: After confirming that the copper rods are correctly placed, the staff starts the double-station hydraulic bending machine 3 through the PLC control panel 4, and the hydraulic system starts to work. Then, the double-station hydraulic bending machine 3 adjusts the hydraulic pressure and the bending path, and gradually bends the copper rods into a preset U shape. Since the double-station hydraulic bending machine 3 is used, during the bending process, the two copper rods will be bent synchronously, and it is ensured that the two copper rods are bent within the same time; S103: After the bending is completed, the operator needs to start the Z-axis lifting assembly 8 through the PLC control panel 4, and begin to adjust the height positions of the two-way synchronous electric position adjustment assembly 6, the support table 7, and the rotary cross-section detection module 9 until the rotary cross-section detection module 9 is concentric with the center of the bending path of the U-shaped copper bar. Subsequently, use the two-way synchronous electric position adjustment assembly 6 to move the two support tables 7 and the two rotary cross-section detection modules 9 away from each other until the probe in the rotary cross-section detection module 9 contacts the outer wall of the U-shaped copper bar; S104: When the probe contacts the outer wall of the U-shaped copper bar, the operator starts the rotary drive assembly 10 through the PLC control panel 4. The rotary drive assembly 10 synchronously transmits the rotary power to the two rotary cross-section detection modules 9. Through rotation drive, the probes in the rotary cross-section detection modules 9 rotate and scan along the outer wall of the bending part of the U-shaped copper bar, and comprehensively detect along the U-shaped bending part. Then, the rotary cross-section detection modules 9 gradually pass through the bending part of the copper bar and obtain the cross-sectional data of each part of the copper bar. The rotary cross-section detection module 9 judges whether the cross-section of the copper bar meets the requirements by feeding back information to the PLC control panel 4. The operator needs to judge whether there are defects according to the detection results, such as irregular cross-sections or deformations, and make timely adjustments; S104: After completing the bending and detection operations, the operator cleans the device and records the production data of each batch of products. Finally, the operator removes the qualified copper bars from the double-station hydraulic bending machine 3.

[0020] Embodiment 2, based on Embodiment 1, is given by Figure 6 and Figure 7 The two support tables 7 are located below the H-shaped horizontal frame 2. The two-way synchronous electric position adjustment assembly 6 includes a two-way lead screw linear module 601 installed on the outer wall of one side of the frame 1, two symmetric support arms 602 slidably installed on the opposite outer walls of the two support members 5, and guide members 603 installed for lifting and sliding on both sides inside the support arms 602. The top end of the guide member 603 is fixedly connected to the bottom end of the support table 7. Right-angle edge plates are installed on the two moving ends of the two-way lead screw linear module 601. One end of the right-angle edge plate extends below the support arm 602, and the top end of the right-angle edge plate is fixedly connected to the bottom end of the support arm 602. When debugging the horizontal position of the rotary cross-section detection module 9, use the two-way lead screw linear module 601 to drive the two support arms 602, the two support tables 7, and the two rotary cross-section detection modules 9 in the horizontal direction to move away from each other until the probe of the rotary cross-section detection module 9 contacts the outer wall of the copper bar; The Z-axis lifting assembly 8 includes a second hydraulic cylinder 801 installed on one side of the bottom of the frame 1, a bottom plate 802 installed at the top end of the piston rod of the second hydraulic cylinder 801, and a sliding seat 803 installed at the top edge position of the bottom plate 802 through guide rails and sliders. The bottom end of the guide member 603 is fixedly connected to the bottom end of the sliding seat 803. During the process of the support arm 602 driving the sliding, the support arm 602 slides with the support member 5. At the same time, the turntable 7 is connected to the sliding seat 803 through the guide member 603. During this process, the sliding seat 803 slides with the bottom plate 802. At this time, a second hydraulic cylinder 801 is used to control the height adjustment of the two turntables 7 and the two revolution cross-section detection modules 9; After the copper bar is bent in the double-station hydraulic bending machine 3, the staff starts the second hydraulic cylinder 801 to work through the PLC control panel 4. The second hydraulic cylinder 801 pushes the bottom plate 802, the sliding seat 803, the bidirectional synchronous electric position adjustment assembly 6, the turntable 7, the revolution cross-section detection module 9, and the rotation drive assembly 10 to move upward to quickly adjust the working position of the revolution cross-section detection module 9 to ensure that the revolution cross-section detection module 9 always maintains the best working height during the operation.

[0021] Embodiment 3 is based on Embodiment 2 and is given by Figure 8 and Figure 9 The revolution cross-section detection module 9 includes a shaft frame 901 fixed to the top end of the turntable 7, an internal spline shaft 9011 rotatably installed inside the shaft frame 901, a turntable 902 fixed to one end of the surface of the internal spline shaft 9011, and a regulator 905 installed on the outer wall of one side of the turntable 902. An ultrasonic probe 906 is installed at the end of the regulator 905. A notch portion 904 for the ultrasonic probe 906 to slide is provided on one side of the surface of the turntable 902. The rotation drive assembly 10 includes a T-shaped convex seat slidably installed on the outer wall of one side of the rotation drive assembly 10 and a double-shaft motor installed on the outer wall of one side of the T-shaped convex seat. Outer spline shafts 903 are installed at the ends of the two output shafts of the double-shaft motor. One end of the outer spline shaft 903 extends into the inside of the internal spline shaft 9011. A double-shaft motor is used in the rotation drive assembly 10 to drive the outer spline shafts 903 in the two revolution cross-section detection modules 9 to rotate synchronously, so that the two revolution cross-section detection modules 9 share the rotation power of one double-shaft motor to ensure the smooth progress of the cross-section detection process; The regulator 905 includes a notch-type bolted seat fixed to the outer wall of one side of the turntable 902 and a connecting rod installed inside the notch-type bolted seat. The ultrasonic probe 906 is installed at one end of the connecting rod. The staff uses the regulator 905 to adjust the distance between the ultrasonic probe 906 and the center of the turntable 902 so that the ultrasonic probe 906 contacts the outer wall surface of the U-shaped copper bar under the adjustment of the regulator 905 and the bidirectional synchronous electric position adjustment assembly 6; The rotation drive assembly 10 is used to drive the external spline shaft 903, the shaft bracket 901, and the turntable 902 to rotate, so that the regulator 905 and the ultrasonic probe 906 revolve around the center of the turntable 902. During the revolution of the ultrasonic probe 906, its entire surface scans the cross-section of the bent part of the copper bar workpiece to capture minute dimensional changes.

[0022] When the embodiment of the present application is in use, first, the staff places two copper bar workpieces to be bent steadily in the double-station hydraulic bending machine 3, ensuring that the copper bars are aligned and stable before starting the operation. During this process, attention needs to be paid to the specifications and positions of the copper bars to ensure that they match the specifications of the device, and the two ends of the copper bars need to be flat to ensure the accuracy after bending; after confirming that the copper bars are correctly placed, the staff starts the double-station hydraulic bending machine 3 through the PLC control panel 4, and the hydraulic system starts to work. Then the double-station hydraulic bending machine 3 adjusts the hydraulic pressure and the bending path, and gradually bends the copper bars into a preset U shape. Since a double-station hydraulic bending machine 3 is used, during the bending process, the two copper bars will be bent synchronously, and it is ensured that the two copper bars are bent within the same time. The staff needs to pay attention to the bending progress and the state of the copper bars during this process to ensure that the copper bars do not slip or misalign; after the bending is completed, the staff needs to start the Z-axis lifting assembly 8 through the PLC control panel 4 and start to adjust the height positions of the two-way synchronous electric positioning assembly 6, the support table 7, and the revolving cross-section detection module 9 until the revolving cross-section detection module 9 is concentric with the center of the bending path of the U-shaped copper bar, so as to ensure that the probe in the revolving cross-section detection module 9 is always located at the correct position of the bent part of the copper bar. Then, the two-way synchronous electric positioning assembly 6 is used to move the two support tables 7 and the two revolving cross-section detection modules 9 away from each other until the probe in the revolving cross-section detection module 9 contacts the outer wall of the U-shaped copper bar; when the probe contacts the outer wall of the U-shaped copper bar, the staff starts the rotation drive assembly 10 to work through the PLC control panel 4. The rotation drive assembly 10 synchronously transmits the rotary power to the two revolving cross-section detection modules 9. Through rotation drive, the probe in the revolving cross-section detection module 9 rotates and scans along the outer wall of the bent part of the U-shaped copper bar, and comprehensively detects along the U-shaped bending part. Then the revolving cross-section detection module 9 gradually passes through the bent part of the copper bar and obtains the cross-section data of each part of the copper bar. The revolving cross-section detection module 9 judges whether the cross-section of the copper bar meets the requirements by feeding back information to the PLC control panel 4. The staff needs to judge whether there are defects, such as irregular cross-sections or deformations, according to the detection results and make timely adjustments; once the bending and detection operations are completed, the staff needs to clean the equipment and record the production data of each batch of products. Finally, the staff removes the qualified copper bars from the double-station hydraulic bending machine 3 and performs subsequent operations such as packing and labeling.

[0023] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article or device.

[0024] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A copper rod bending section device, characterized in that: include: A frame (1), an H-shaped frame (2) is fixed at one end of the frame (1), and a double-station hydraulic bending machine (3) for synchronously bending two straight copper rods into a U-shape is installed inside the frame (1) above the H-shaped frame (2), support members (5) are fixed on the left and right outer walls of the frame (1), two symmetrical support platforms (7) are slidably installed between the two support members (5), and the support platforms (7) slide in the Y-axis direction, and a bidirectional synchronous electric positioning assembly (6) for driving the two support platforms (7) to slide towards each other in the Y-axis direction is installed on the outer wall of one side of the frame (1), and a revolving cross-section detection module (9) for performing cross-section detection on the bending part of the U-shaped copper rod is installed on the top of the two support platforms (7), and a rotating drive assembly (10) for driving the two revolving cross-section detection modules (9) to work synchronously is installed on one side of the frame (1); A Z-axis lifting assembly (8) is arranged at the bottom of a frame (1) and is used to drive a support platform (7), a revolving cross-section detection module (9), and a rotary drive assembly (10) to slide in a Z-axis direction. A PLC control panel (4) is installed on an outer wall of one side of the frame (1). The output end of the PLC control panel (4) is electrically connected to the input ends of a double-station hydraulic bending machine (3), a two-way synchronous electric positioning assembly (6), a Z-axis lifting assembly (8), and a rotary drive assembly (10).

2. A copper rod cross-section bending device according to claim 1, characterized in that: The double-station hydraulic bending machine (3) comprises a first hydraulic cylinder (301) mounted at the center of the top end of the frame (1), a steel plate mounted at the bottom end of the piston rod of the first hydraulic cylinder (301), and a crossbeam (302) mounted on both sides of the bottom end of the steel plate, wherein a U-shaped upper template (303) is fixed to the bottom end of the crossbeam (302).

3. A copper rod cross-section bending device according to claim 2, characterized in that: The double-station hydraulic bending machine (3) further comprises a lower bending template (304) installed on both sides of the top of the H-shaped horizontal frame (2) and a U-shaped cutting groove (305) arranged on the inner wall of the lower bending template (304); the U-shaped upper template (303) moves downward into the U-shaped cutting groove (305) of the lower bending template (304) under the drive of the first hydraulic cylinder (301) and bends the copper rod into a U shape.

4. A copper rod cross-section bending device according to claim 3, characterized in that: The two support platforms (7) are located below the H-shaped horizontal frame (2), and the bidirectional synchronous electric positioning assembly (6) includes a bidirectional screw linear module (601) installed on the outer wall of one side of the frame (1), two symmetrical support arms (602) slidably installed on the outer walls of the opposite sides of the two support members (5), and guide members (603) installed on both sides of the support arms (602) for lifting and sliding, and the top end of the guide member (603) is fixedly connected to the bottom end of the support platform (7).

5. A copper rod cross-section bending device according to claim 4, characterized in that: Both movable ends of the bidirectional screw linear module (601) are equipped with right-angled plates, one end of which extends to the bottom of the support arm (602), and the top end of the right-angled plate is fixedly connected to the bottom end of the support arm (602).

6. A copper rod cross-section bending device according to claim 4, characterized in that: The Z-axis lifting assembly (8) comprises a second hydraulic cylinder (801) installed on one side of the bottom of the frame (1), a base plate (802) installed at the top end of the piston rod of the second hydraulic cylinder (801), and a slide seat (803) installed at the top edge of the base plate (802) via a guide rail and a slider, and the bottom end of the guide member (603) is fixedly connected to the bottom end of the slide seat (803).

7. A copper rod cross-section bending device according to claim 4, characterized in that: The revolving cross-section detection module (9) comprises an axis frame (901) fixed to the top of the support platform (7), an internal spline shaft (9011) rotatably mounted inside the axis frame (901), a turntable (902) fixed at one end of the surface of the internal spline shaft (9011), and an adjuster (905) mounted on an outer wall of one side of the turntable (902), an ultrasonic probe (906) being mounted at the end of the adjuster (905), and a notch (904) for the ultrasonic probe (906) to slide is provided on one side of the surface of the turntable (902).

8. A copper rod cross-section bending device according to claim 7, characterized in that: The rotary drive assembly (10) comprises a T-shaped boss slidably mounted on an outer wall of one side of the rotary drive assembly (10) and a dual-axis motor mounted on an outer wall of one side of the T-shaped boss, wherein both output shaft ends of the dual-axis motor are mounted with an external spline shaft (903), and one end of the external spline shaft (903) extends to the interior of the internal spline shaft (9011).

9. A copper rod cross-section bending device according to claim 7, characterized in that: The regulator (905) comprises a notch-shaped bolt-connecting seat fixed on an outer wall of one side of the rotating disk (902) and a connecting rod installed inside the notch-shaped bolt-connecting seat, and the ultrasonic probe (906) is installed at one end of the connecting rod.

10. A method for detecting a bending cross section of a copper rod, comprising the copper rod bending cross section device according to any one of claims 1 to 9, characterized in that: The following steps are involved: S101: two copper rods to be bent are placed stably in the double-station hydraulic bending machine (3), and the copper rods are ensured to be aligned and stable before starting the operation. During this process, attention should be paid to the specifications and positions of the copper rods to ensure that they match the specifications of the device, and both ends of the copper rods should be flat; S102: After confirming that the copper rods have been correctly placed, the staff starts the double-station hydraulic bending machine (3) through the PLC control panel (4), and the hydraulic system starts to work. The double-station hydraulic bending machine (3) adjusts the hydraulic pressure and the tortuous path to gradually bend the copper rods into a preset U-shape. Since the double-station hydraulic bending machine (3) is used, during the bending process, the two copper rods will be bent synchronously, and it is ensured that the two copper rods are bent at the same time; S103: After the bending is completed, the staff needs to start the Z-axis lifting assembly (8) through the PLC control panel (4) to start adjusting the height positions of the bidirectional synchronous electric positioning assembly (6), the support platform (7), and the revolving cross-section detection module (9) until the revolving cross-section detection module (9) is concentric with the center of the circle of the bending path of the U-shaped copper rod, and then use the bidirectional synchronous electric positioning assembly (6) to move the two support platforms (7) and the two revolving cross-section detection modules (9) away from each other until the probe in the revolving cross-section detection module (9) contacts the outer wall of the U-shaped copper rod; S104: When the probe contacts the outer wall of the U-shaped copper rod, the staff member uses the PLC control panel (4) to start the rotation drive assembly (10) to work. The rotation drive assembly (10) synchronously transmits rotational power to the two revolving cross-section detection modules (9). Through the rotation drive, the probe in the revolving cross-section detection module (9) rotates and scans along the outer wall of the curved portion of the U-shaped copper rod, and performs a comprehensive detection along the U-shaped curved portion. Then, the revolving cross-section detection module (9) gradually passes through the curved portion of the copper rod and obtains cross-section data of various parts of the copper rod. The revolving cross-section detection module (9) determines whether the cross-section of the copper rod meets the requirements by feeding back information to the PLC control panel (4). The staff member needs to determine whether there are defects, such as irregular cross-section or deformation, based on the detection results, and make timely adjustments; S104: After the bending and testing operations are completed, the staff cleans the device and records the production data of each batch of products. Finally, the staff removes the qualified copper rods from the double-station hydraulic bending machine (3).

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