A continuous bending and cutting device

Abstract

The application relates to a continuous bending and cutting device, and belongs to the field of metal material processing, which comprises a feeding device, a feeding device, a straightening device, a shearing device and a bending device, the bending device comprises a fixed bending piece, a movable bending piece, a lifting seat, a first lifting driving piece and a rotating driving piece, the fixed bending piece is detachably connected with the lifting seat, the movable bending piece is coaxially rotationally connected with the fixed bending piece, a first bending groove and a second bending groove are arranged on the upper end surface of the fixed bending piece, one end of the second bending groove is cross-communicated with the first bending groove, the shearing device is rotationally connected with a first bending roller and a second bending roller in a direction perpendicular to the steel wire conveying direction and the axial direction of the fixed bending piece, the first bending roller is rotationally connected with the shearing device in a direction parallel to the axis of the fixed bending piece, a main bending roller is arranged on the side of the fixed bending piece close to the shearing device, and the rotation axes of the auxiliary bending piece and the main bending roller are perpendicular to each other. The application has the effects of improving the processing efficiency and the forming precision of workpieces.

Description

Technical Field

[0001] This application relates to the field of metal material processing, and in particular to a continuous bending and cutting device. Background Technology

[0002] In the field of metal processing technology, manufacturing wire components for products such as trolleys, shopping baskets, and shelves using steel wire is a common production scenario. As market demands continue to evolve, the requirements for the shape and precision of these wire components are becoming increasingly stringent, prompting the continuous development of related processing technologies. Advanced processing technologies can improve production efficiency, reduce costs, thereby enhancing product competitiveness in the market and driving the entire industry towards greater efficiency and precision.

[0003] In the past, bending machines were commonly used when producing components for products such as trolleys, shopping baskets, and shelves using steel wire as raw material. Typically, bending machines employ a single bending head design. These machines primarily use a fixed bending head to bend the steel wire, and during the bending process, the angle that can be bent is relatively fixed, allowing only bending in specific directions or at limited angles. For example, it may only be able to bend within a single plane, or only bend to a few fixed angles.

[0004] However, existing bending machines can only perform bending in a fixed direction or at a limited angle. They cannot complete the bending process in one go for complex workpieces with multiple inflection points, directions, and angles. Processing such complex workpieces requires breaking the process down into multiple steps, each involving a separate bending operation. This not only makes the operation cumbersome and leads to low production efficiency, but also easily accumulates deflection errors during the step-by-step bending process, thus reducing the dimensional accuracy of the workpiece and making it difficult to meet the market's demand for high-precision products. Summary of the Invention

[0005] To improve processing efficiency and workpiece forming accuracy, this application provides a continuous bending and cutting device.

[0006] This application provides a continuous bending and cutting device, which adopts the following technical solution: A continuous bending and cutting device includes a feeding device, a straightening device, a shearing device, and a bending device arranged sequentially along the wire conveying direction. The bending device includes a fixed bending component, a movable bending component, a lifting seat, a first lifting drive, and a rotary drive. The fixed bending component is detachably connected to the lifting seat, and the movable bending component is coaxially rotatably connected to the fixed bending component. The first lifting drive drives the fixed bending component and the movable bending component to move synchronously up and down along the axial direction. The rotary drive is fixedly connected to the lifting seat and drives the movable bending component to rotate. The upper surface of the fixed bending component has a first bending groove and a second bending groove. The first bending groove is formed along the wire conveying direction, and one end of the second bending groove intersects with the first bending groove. The forked connection includes a first bending roller and a second bending roller on the side of the shearing device near the bending device. Both the first bending roller and the second bending roller are rotatably connected in a direction that is simultaneously perpendicular to the wire conveying direction and parallel to the axial line of the fixed bending component. The first bending roller and the second bending roller are arranged from high to low along the axial line of the fixed bending component, and there is a space between them for the wire to pass through. A main bending roller is provided on the side of the fixed bending component near the shearing device. The rotation axis of the auxiliary bending component is perpendicular to that of the main bending roller. The main bending roller is coaxially fixedly connected to the moving bending component. The raising and lowering of the main bending roller causes the wire passing through the first bending roller and the second bending roller to bend in a direction parallel to the rotation axis of the second bending roller.

[0007] By adopting the above technical solution, continuous bending and cutting of steel wire is achieved, enabling the steel wire to complete the processing from raw material to formed part in a continuous process, avoiding the tediousness and error accumulation of step-by-step operation; the fixed bending part and the lifting seat are detachably connected, which facilitates the replacement of the appropriate fixed bending part according to the diameter of the steel wire and the bending shape; the moving bending part is coaxially rotatably connected to the fixed bending part, and in conjunction with the first lifting drive and the rotation drive, multi-angle bending of the steel wire can be realized; the setting of the first bending groove and the second bending groove, as well as the cooperation of the first bending roller, the second bending roller and the main bending roller, enable the bending operation of the steel wire. The setting of the first and second bending grooves, as well as the cooperation of the first bending roller, the second bending roller, and the main bending roller, allows for continuous bending of the steel wire in multiple directions and angles, enabling the processing of complex shapes and allowing the parts to be produced to be formed in one step, thus improving the forming accuracy of the workpiece. Furthermore, the main bending component can be detachably connected to the upper end face of the base for easy replacement and maintenance. In addition, main bending components with different intersection angles between the first and second bending grooves can be selected, further enhancing the practicality and flexibility of the device.

[0008] Optionally, the moving bending component includes a base and two auxiliary bending components. The base is sleeved on the outside of the fixed bending component and the two are coaxially rotatably connected. The auxiliary bending components and the main bending roller are rotatably connected to the upper end face of the base. When part of the steel wire is located in the first bending groove, the main bending roller is located above the steel wire rope. The two auxiliary bending components are distributed circumferentially along the fixed bending component. When the moving bending component is in the initial position, the two auxiliary bending components are symmetrically distributed on both sides of the first bending groove, and the main bending roller is located on one side of the steel wire conveying direction.

[0009] By adopting the above technical solution, the base of the moving bending component is sleeved on the outside of the fixed bending component and coaxially rotatably connected, which facilitates the rotation of the moving bending component relative to the fixed bending component; the auxiliary bending component and the main bending roller are rotatably connected to the upper end face of the base, and the position setting of the main bending roller and the auxiliary bending component allows the steel wire to be bent better during the bending process, and plays a certain positioning role for the steel wire at the initial position of the moving bending component, which is beneficial to the subsequent precise bending operation.

[0010] Optionally, the shearing device includes a shearing blade holder, a fixed blade, a moving blade, and a shearing drive. The fixed blade is fixed on the shearing blade holder and located on the side of the moving blade away from the bending device. The shearing drive is used to drive the moving blade to rotate and connect with the shearing blade holder. The first bending roller is rotated and connected with the fixed blade in a direction perpendicular to its own axis. The first bending roller and the second bending roller are rotated and connected with the fixed blade in the direction of their respective axes. A connecting rod is provided between the moving blade and the first bending roller. The connecting rod is located below the second bending roller. When the moving blade moves towards the fixed blade, it drives the first bending roller away from the steel wire through the connecting rod.

[0011] By adopting the above technical solution, the continuous bending and cutting device has a shearing function. The fixed blade and the moving blade work together to shear the steel wire. The moving blade is rotatably connected to the shearing blade seat to realize the shearing action. The first bending roller and the second bending roller are rotatably connected to the fixed blade to ensure that the steel wire passes through smoothly. The connecting rod between the moving blade and the first bending roller can drive the first bending roller away from the steel wire when the moving blade moves, so as to avoid affecting the first bending roller during the shearing process.

[0012] Optionally, a limiting groove is provided on the opposite side of the fixed blade and the moving blade to allow the steel wire to pass through. The limiting groove is used to restrict the steel wire from leaving the shearing device along a conveying direction perpendicular to itself.

[0013] By adopting the above technical solution, the continuous bending and cutting device can realize continuous bending and cutting of steel wire, so that the steel wire can complete the processing from raw material to formed part in a continuous manner, avoiding the cumbersome step-by-step operation and error accumulation; the fixed knife and the moving knife are opened on opposite sides to allow the steel wire to pass through, which can restrict the steel wire from leaving the shearing device along the direction perpendicular to its own conveying direction, thereby improving the stability and accuracy of the shearing operation.

[0014] Optionally, the feeding device includes a deflecting frame and a winding wheel, a guide bearing, and several sets of positioning wheels rotatably mounted on the deflecting frame. The guide bearing is distributed circumferentially along the outer side of the winding wheel. The winding wheel is used for winding steel wire. The rim of the winding wheel cooperates with the rim of the guide bearing so that the steel wire cannot be separated from the gap between them. The positioning wheel sets are located on the side of the winding wheel closer to the straightening device.

[0015] By adopting the above technical solution, the feeding device is equipped with a deflection frame and a winding wheel, a guide bearing, and a positioning wheel assembly mounted on it. The guide bearing is distributed circumferentially along the outer side of the winding wheel. The winding wheel is used for winding the steel wire. The rim of the winding wheel cooperates with the rim of the guide bearing to prevent the steel wire from detaching, so that the steel wire fed from the feeding device becomes smooth after being wrapped around the outer side of the winding wheel. The positioning wheel assembly is located on the side of the winding wheel close to the straightening device, which can guide the steel wire into the straightening device for subsequent straightening operations.

[0016] Optionally, the feeding device includes a base, a rotating disk, a material rack, several guide wheels and positioning rods arranged circumferentially along the rotating disk, the rotating disk being rotatably connected to the upper end face of the base, the material rack being located on the upper end face of the rotating disk, and the positioning rods being fixed to the upper end face of the rotating disk to restrict the mutual rotation between the material rack and the rotating disk. The base is fixed with uprights corresponding to the guide wheels, and the guide wheels are rotatably connected to the corresponding uprights along their own vertical axes. A protective ring is detachably connected to the upper end of the base.

[0017] By adopting the above technical solutions, the positioning rod can restrict the mutual rotation between the material rack and the rotating disk, ensuring the stability of the material rack; the guide wheel is rotatably connected to the upright along its own vertical axis, which can guide the steel wire to be transported smoothly; the protective ring that can be detachably connected to the upper end of the base can limit the steel wire wrapped on the material rack and prevent it from expanding outward.

[0018] Optionally, the straightening device includes a housing, several straightening wheel sets located inside the housing, and a pair of relatively rotating extrusion rollers set at the discharge end of the straightening wheel sets. The straightening wheel sets are staggered along the wire conveying direction and adjacent straightening wheel sets are set perpendicular to each other. The discharge end of the straightening device is provided with a positioning clamp for clamping the wire and limiting its displacement during bending operations.

[0019] By adopting the above technical solution, the straightening rollers arranged in an alternating pattern and perpendicular to each other can effectively straighten the steel wire. The extrusion rollers at the discharge end can further compress the straightened steel wire to eliminate its internal stress. The positioning clamps can clamp the steel wire during bending operations, restrict its displacement, and ensure bending accuracy.

[0020] Optionally, a PLC control system is also included. The feeding device, conveying device, straightening device, bending device and shearing device are all electrically connected to the PLC control system. The PLC control system includes a PLC controller, a multi-axis servo driver and multiple sets of feedback sensors, which are used to realize closed-loop linkage automatic control of the entire process of wire feeding, straightening, bending and cutting.

[0021] By adopting the above technical solution, the multi-axis servo drive can precisely control the drive components of each device, and the feedback sensor can collect the operating data of each device in real time and feed it back to the PLC controller. The PLC controller makes precise adjustments to each device based on the feedback information, thereby realizing closed-loop linkage automated control of the entire process of wire feeding, straightening, bending, and cutting. This improves the accuracy and stability of processing, reduces manual intervention, lowers labor costs, and greatly improves production efficiency while ensuring the consistency of product quality.

[0022] Optionally, the straightening device is provided with a discharge guide plate at the discharge end. The end of the discharge guide plate near the shearing device is provided with a movable plate that is parallel to the discharge guide plate. The movable plate has a clearance hole for lifting and lowering the movable bending part. A second lifting drive is fixed at the lower end of the movable plate to drive the movable plate to lift and lower along the axial direction of the fixed bending part. The discharge guide plate and the movable plate are inclined and perpendicular to the lifting direction of the lifting seat. They are used to carry the steel wire during the bending process and to transport the sheared finished product along the inclined direction.

[0023] By adopting the above technical solution, the inclined setting of the discharge guide plate and the movable plate can bear the steel wire during the bending process, and can transport the sheared finished product along the inclined direction. The clearance hole opened in the movable plate can allow the movable bending part to rise and fall smoothly. The second lifting drive can drive the movable plate to rise and fall along the axial direction of the fixed bending part, ensuring the normal operation of the device.

[0024] Optionally, there are two main bending rollers. When the moving bending member is in the initial position, the two main bending rollers are symmetrically distributed on both sides of the first bending groove. A third bending groove is opened on the upper surface of the fixed bending member. The end of the third bending groove near the second bending groove is connected to the first bending groove. The third bending groove and the second bending groove are symmetrically arranged with the first bending groove as the center.

[0025] By adopting the above technical solution, two main bending rollers are set and symmetrically distributed on both sides of the first bending groove when the moving bending part is initially in position. In conjunction with the third bending groove opened on the fixed bending part, which is symmetrical with the second bending groove around the first bending groove and intersects and connects with the first bending groove, the angle and style of steel wire bending can be increased to meet more different processing needs.

[0026] In summary, this application includes at least one of the following beneficial technical effects: 1. It enables continuous bending and cutting of steel wire, allowing the steel wire to be processed from raw material to formed part in a continuous process, avoiding the tediousness and error accumulation of step-by-step operation; the fixed bending part and the lifting seat are detachably connected, making it easy to replace the fixed bending part with a suitable one according to the diameter of the steel wire and the bending shape; the moving bending part is coaxially rotatably connected to the fixed bending part, and together with the first lifting drive and the rotation drive, it can realize multi-angle bending of the steel wire; the setting of the first bending groove and the second bending groove, as well as the cooperation of the first bending roller, the second bending roller and the main bending roller, enable the bending operation of the steel wire. The setting of the first and second bending grooves, as well as the cooperation of the first bending roller, the second bending roller and the main bending roller, can continuously bend the steel wire in multiple directions and angles to realize the processing of complex shapes, so that the parts to be produced can be formed in one step, improving the forming accuracy of the workpiece. The main bending component can be detachably connected to the upper end face of the base for easy replacement and maintenance. At the same time, main bending components with different intersection angles of the first and second bending grooves can be selected to further enhance the practicality and flexibility of the device. 2. The base of the moving bending component is sleeved on the outside of the fixed bending component and coaxially rotatably connected, which facilitates the rotation of the moving bending component relative to the fixed bending component; the auxiliary bending component and the main bending roller are rotatably connected to the upper end face of the base, and the position setting of the main bending roller and the auxiliary bending component allows the steel wire to be bent better during the bending process, and plays a certain positioning role for the steel wire in the initial position of the moving bending component, which is beneficial to the subsequent precise bending operation; 3. The continuous bending and cutting device has a shearing function. The fixed blade and the moving blade work together to shear the steel wire. The moving blade is rotatably connected to the shearing blade seat to realize the shearing action. The first bending roller and the second bending roller are rotatably connected to the fixed blade to ensure that the steel wire passes through smoothly. The connecting rod between the moving blade and the first bending roller can drive the first bending roller away from the steel wire when the moving blade moves, so as to avoid affecting the first bending roller during the shearing process. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the overall structure of a continuous bending and cutting device.

[0028] Figure 2 This is a schematic diagram of the feeding device.

[0029] Figure 3 This is a schematic diagram of the straightening device.

[0030] Figure 4 This is a schematic diagram of the straightening wheel assembly.

[0031] Figure 5 This is a schematic diagram of the bending device in Example 1.

[0032] Figure 6 This is a structural diagram of the shearing device, the fixed bending component, and the auxiliary bending component.

[0033] Figure 7 This is a schematic diagram of the bending device in Example 2.

[0034] Explanation of reference numerals in the attached drawings: 1. Feeding device; 11. Base; 111. Upright; 112. Protective ring; 12. Rotary disc; 13. Material rack; 14. Guide wheel; 15. Positioning rod; 2. Feeding device; 21. Deflection frame; 22. Winding wheel; 23. Guide bearing; 24. Positioning wheel assembly; 3. Straightening device; 31. Housing; 32. Straightening wheel assembly; 321. Straightening wheel; 322. Straightening gear; 323. Worm gear; 324. 325. Worm gear; 326. Straightening drive motor; 327. First synchronous belt pulley assembly; 338. Extrusion roller; 339. First gear; 330. Second gear; 331. Second synchronous belt pulley assembly; 322. Positioning fixture; 333. Discharge guide plate; 44. Shearing device; 41. Shearing blade holder; 42. Fixed blade; 421. First bending roller; 422. Second bending roller; 423. Limiting groove; 424. Connecting plate; 43. Moving blade; 44. Shearing drive component; 5. Bending device; 51. Fixed bending component; 511. First bending groove; 512. Second bending groove; 513. Third bending groove; 514. Main bending roller; 52. Moving bending component; 521. Base; 522. Auxiliary bending component; 53. Lifting seat; 54. First lifting drive component; 55. Rotation drive component; 56. Movable plate; 57. Second lifting drive component; 6. PLC controller. Detailed Implementation

[0035] The present application will be further described in detail below with reference to all the accompanying drawings.

[0036] This application discloses a continuous bending and cutting device. Example 1

[0037] Reference Figure 1 A continuous bending and cutting device includes a PLC control system and a feeding device 1, a straightening device 3, a shearing device 4, and a bending device 5, which are electrically connected to the PLC control system and arranged sequentially along the wire conveying direction. The PLC control system includes a PLC controller 6, a multi-axis servo driver, and multiple sets of feedback sensors. It performs closed-loop linkage automated control of the entire process of feeding, straightening, bending, and cutting the wire in sequence according to the wire conveying direction. This achieves the beneficial effect of continuous bending and cutting of the wire, allowing the wire to complete the processing from raw material to formed part in a continuous process, avoiding the cumbersome and error accumulation caused by step-by-step operation.

[0038] Reference Figure 2The feeding device 1 includes a base 11, a rotating disk 12, a material rack 13, several guide wheels 14 arranged circumferentially along the rotating disk 12, and positioning rods 15. The rotating disk 12 is rotatably connected to the upper surface of the base 11, and the positioning rods 15 are fixed to the upper surface of the rotating disk 12. The material rack 13 is located on the upper surface of the rotating disk 12, and the positioning rods 15 are used to restrict the mutual rotation between the material rack 13 and the rotating disk 12. The material rack 13 includes a bottom support part and a winding part. The outer side of the winding part is wound with steel wire to be bent. The winding part is lifted and moved horizontally by a crane or forklift, thereby placing the steel wire on the rotating disk 12 and removing the empty material rack 13 from the rotating disk 12. The base 11 is fixed with uprights 111 corresponding to the guide wheels 14 one by one. The guide wheels 14 are rotatably connected to the corresponding uprights 111 along their own vertical axis, and the guide wheels 14 are located on the side of the uprights 111 closest to the axis of the rotating disk 12. After the steel wire extends from the winding section, it passes through several guide rollers 14 in sequence and then extends towards the straightening device 3. A protective ring 112 is detachably connected to the upper end of the base 11 to limit the steel wire wound on the material rack 13 and prevent it from expanding outward.

[0039] Reference Figure 2 The feeding device 2 includes a deflector frame 21, a winding wheel 22, a guide bearing 23, and several sets of positioning wheel groups 24. The straightening device 3 includes a housing 31. The deflector frame 21 is fixedly connected to one end of the housing 31 near the feeding device 1. The winding wheel 22, the guide bearing 23, and the several sets of positioning wheel groups 24 are all rotatably connected to the upper surface of the deflector frame 21 along their respective vertical axes. The guide bearing 23 is distributed circumferentially along the outer side of the winding wheel 22. The winding wheel 22 is used for winding steel wire. The steel wire passes between the guide bearing 23 and the winding wheel 22. The rim of the winding wheel 22 cooperates with the rim of the guide bearing 23 to prevent the steel wire from detaching from the gap between them. Several sets of positioning wheel groups 24 are located on the side of the winding wheel 22 near the straightening device 3 and are arranged sequentially along the steel wire conveying direction. Each set of positioning wheel groups 24 includes two positioning wheels, and the steel wire passes between the two positioning wheels. The steel wire fed from the feeding device 1 is wound around the outside of the winding wheel 22, making the steel wire smooth after passing through the winding wheel 22. Then the steel wire passes through the positioning wheel group 24 and then enters the straightening device 3 for straightening.

[0040] Reference Figure 3 and Figure 4 The straightening device 3 has a housing 31 containing several straightening wheel sets 32. These sets are staggered along the wire conveying direction, with adjacent sets perpendicular to each other. Each straightening wheel set 32 ​​includes two parallel straightening wheels 321 and a straightening drive device that rotates the straightening wheels 321. The wire passes between the two straightening wheels 321 in each set, and the straightening wheels 321 compress the wire, straightening it. The straightening wheel sets 321 are fixedly connected to the housing 31 via support plates.

[0041] The straightening drive device includes a straightening motor, several worm gears 323, and several worms 324 that mesh with each worm gear 323 in a one-to-one correspondence. Each straightening wheel 321 is coaxially fixed with a straightening gear 322. Two straightening gears 322 in each group mesh with each other, and one of the straightening gears 322 is coaxially fixedly connected to a worm gear 323. Several worms 324 are coaxially fixedly connected. The worms 324 and the output shaft of the straightening motor achieve synchronous rotation through a first synchronous belt pulley device 326.

[0042] Reference Figure 3 and Figure 4 The straightening roller assembly 32 has a pair of relatively rotating extrusion rollers 33 at its discharge end, which can further extrude the straightened steel wire to eliminate internal stress. One extrusion roller is coaxially and fixedly connected to the worm gear 324, and the other extrusion roller is coaxially and fixedly connected to a first gear 331. The first gear 331 meshes with a second gear 332, and a second synchronous pulley device 333 connects the second gear 332 and the worm gear 324, thereby realizing the synchronous counter-rotation of the two extrusion rollers.

[0043] Reference Figure 3 and Figure 4 The straightening device 3 is also equipped with a positioning clamp 34 at the discharge end. The positioning clamp 34 can be a pneumatic finger or a motor-driven bidirectional screw. Each end of the bidirectional screw is connected to a clamping block, which is used to clamp the steel wire during bending operations, limit its displacement, and ensure the bending accuracy.

[0044] Reference Figure 1 The straightening device 3 has two discharge guide plates 35 symmetrically arranged in the direction of wire conveying at the discharge end. Each of the two discharge guide plates 35 has a limiting plate on its opposite side. The limiting plate has a through groove to limit the wire conveying. The through groove of the two limiting plates wraps the wire. The discharge guide plate 35 and the limiting plate are connected by a spiral to achieve a detachable connection between the two, which makes it easy to replace the limiting plate to adapt to wires of different diameters.

[0045] Reference Figure 5 The bending device 5 includes a fixed bending component 51, a movable bending component 52, a lifting seat 53, a first lifting drive component 54, and a rotary drive component 55. A mounting box is fixedly installed at one end of the housing 31 near the bending device 5, located below the discharge guide plate 35. The rotary drive component 55 uses a servo motor and is fixedly mounted on the lower end face of the lifting seat 53. The rotary drive component 55 drives the movable bending component 52 to rotate. The first lifting drive component 54 includes a first lifting motor and a lifting screw. The lifting screw is threadedly connected to the lifting seat 53, and a first lifting cylinder is fixedly connected to the mounting box. The first lifting drive component 54 drives the fixed bending component 51 and the movable bending component 52 to move synchronously up and down along the axial direction.

[0046] Reference Figure 6A fixed shaft is fixedly mounted on the upper surface of the lifting seat 53. The fixed bending component 51 is fixedly connected to the upper surface of the fixed shaft by bolts, thereby achieving a detachable connection between the two and facilitating the replacement of the appropriate fixed bending component 51 according to the diameter and bending shape of the steel wire. The movable bending component 52 includes a base 521 and two auxiliary bending components 522. The base 521 is sleeve-shaped and is sleeved on the outside of the fixed shaft, with the two being coaxially rotatably connected. An external gear ring is coaxially fixedly mounted on the outside of the base 521, and the external gear ring is meshed with a rotating gear. The output end of the rotary drive component 55 is coaxially fixedly connected to the rotating gear. Both the external gear ring and the rotating gear are located inside the lifting seat 53.

[0047] Reference Figure 6 The upper end face of the fixed bending member 51 is provided with a first bending groove 511 and a second bending groove 512. The fixed bending member 51 includes a first guide member and two second guide members. The space between the two second guide members and the first guide member is the first bending groove 511, and the space between the two second guide members is the second bending groove 512. The second guide members are cylindrical. In this embodiment, the first guide member is a continuous arc block, and the two ends of the arc block are semi-cylinders.

[0048] Reference Figure 6 The first bending groove 511 is opened along the wire conveying direction. One end of the second bending groove 512 is connected to the first bending groove 511. The shearing device 4 is provided with a first bending roller 421 and a second bending roller 422 on the side near the bending device 5. Both the first bending roller 421 and the second bending roller 422 rotate in a direction that is both perpendicular to the wire conveying direction and parallel to the axis of the fixed bending member 51. The first bending roller 421 and the second bending roller 422 are arranged from high to low along the axis of the fixed bending member 51 and there is a space between them for the wire to pass through. The fixed bending member 51 is provided with a main bending roller 514 on the side near the shearing device 4. The rotation axis of the auxiliary bending member 522 is perpendicular to that of the main bending roller 514. The main bending roller 514 is coaxially fixedly connected to the moving bending member 52. The main bending roller 514 rises and falls to bend the wire passing through the first bending roller 421 and the second bending roller 422 in a direction parallel to the rotation axis of the second bending roller 422.

[0049] Reference Figure 6 The auxiliary bending component 522 and the main bending roller 514 are rotatably connected to the upper end face of the base 521. When part of the steel wire is located in the first bending groove 511, the main bending roller 514 is located above the steel wire rope. The two auxiliary bending components 522 are distributed around the fixed bending component 51. When the moving bending component 52 is in the initial position, the two auxiliary bending components 522 are symmetrically distributed on both sides of the first bending groove 511, and the main bending roller 514 is located on one side of the steel wire conveying direction.

[0050] After the steel wires extending from the first bending roller 421 and the second bending roller 422 pass through the first bending groove 511, according to the process design requirements, the rotary drive component 55 is operated to drive the base 521 to rotate clockwise or flip, so that the steel wires contact and bend with the two auxiliary bending components 522 respectively to form the first bending angle. Then, the first lifting drive component 54 drives the fixed bending component 51 to descend, and the steel wire moves backward until the first bending angle is above the second bending groove 512. Then, the fixed bending component 51 rises, and the first bending angle is embedded in the second bending groove 512. By rotating the fixed bending component 51, the corresponding moving bending component 52 and the main bending roller 514 continue to bend the steel wire located outside the fixed bending component 51.

[0051] Reference Figure 5 and Figure 6 The discharge guide plate 35 has a movable plate 56 arranged parallel to it at one end near the shearing device 4. The movable plate 56 has a clearance hole for the lifting and lowering of the movable bending component 52. A second lifting drive component 57 is fixed at the lower end of the movable plate 56 to drive the movable plate 56 to rise and fall along the axial direction of the fixed bending component 51. The discharge guide plate 35 and the movable plate 56 are inclined and perpendicular to the lifting direction of the lifting seat 53. They are used to carry the steel wire during the bending process and to transport the cut finished product along the inclined direction. During the bending process, the steel wire is always above the discharge guide plate 35. After the bending is completed, the lifting seat 53 moves downward to make the steel wire detach from the bending device 5. Then the shearing device 4 cuts the steel wire, and the cut steel wire falls onto the discharge guide plate 35. A receiving box is provided below the lowest point of the discharge guide plate 35 to collect the finished product after bending and shearing. The finished product falls into the receiving box along the inclined direction of the discharge guide plate 35 under its own gravity.

[0052] Reference Figure 6 The shearing device 4 includes a shearing blade holder 41, a fixed blade 42, a moving blade 43, and a shearing drive component 44. The shearing blade holder 41 is fixedly connected to the upper end face of the mounting box, the fixed blade 42 is fixed to the upper end face of the shearing blade holder 41, and the shearing drive component 44 is used to drive the moving blade 43 to rotate and connect with the shearing blade holder 41. The shearing drive component 44 can be a telescopic cylinder, with the telescopic end of the telescopic cylinder rotatably connected to the lower end of the moving blade 43, and the cylinder body of the telescopic cylinder rotatably connected to the shearing blade holder 41; the shearing drive component 44 can also be a motor, with the motor fixedly connected to the shearing blade holder 41, and the motor output end coaxially fixedly connected to the rotating shaft of the moving blade 43.

[0053] Reference Figure 6 A limiting groove 423 for the steel wire to pass through is provided on the opposite side of the fixed blade 42 and the moving blade 43. The limiting groove 423 is used to restrict the steel wire from leaving the shearing device 4 along the conveying direction perpendicular to itself.

[0054] Reference Figure 6The fixed blade 42 is located on the side of the moving blade 43 away from the bending device 5. The first bending roller 421 and the second bending roller 422 are rotatably connected to the fixed blade 42 along their respective axes. The first bending roller 421 and the second bending roller 422 are connected to a bracket, which is fixedly connected to the upper end face of the mounting box. The part of the bracket near the collection box and located between the first bending roller 421 and the second bending roller 422 is a connecting plate 424. The cut steel wire can rotate at the connecting plate 424 under its own weight or the push of the subsequent steel wire, so that the steel wire rotates along the edge of the connecting plate 424 and then falls into the receiving box, making the finished products falling into the receiving box have similar placement postures, reducing the time for manual placement.

[0055] The implementation principle of the continuous bending and cutting device in this application embodiment is as follows: it realizes continuous bending and cutting of steel wire, so that the steel wire can complete the processing from raw material to formed part in a continuous process, avoiding the tediousness and error accumulation of step-by-step operation; the fixed bending part 51 is detachably connected to the lifting seat 53, which facilitates the replacement of the appropriate fixed bending part 51 according to the diameter of the steel wire and the bending shape; the moving bending part 52 is coaxially rotatably connected to the fixed bending part 51, and can realize multi-angle bending of steel wire in conjunction with the first lifting drive part 54 and the rotation drive part 55; the setting of the first bending groove 511 and the second bending groove 512, as well as the cooperation of the first bending roller 421, the second bending roller 422 and the main bending roller 514, can perform bending operation on steel wire. The arrangement of the first bending groove 511 and the second bending groove 512, along with the cooperation of the first bending roller 421, the second bending roller 422, and the main bending roller 514, enables continuous bending of steel wire in multiple directions and angles, achieving the processing of complex shapes and allowing the parts to be produced to be formed in one step, thus improving the forming accuracy of the workpiece. Furthermore, the main bending component can be detachably connected to the upper end face of the base 521 for easy replacement and maintenance. Additionally, main bending components with different intersection angles between the first bending groove 511 and the second bending groove 512 can be selected, further enhancing the practicality and flexibility of the device. Example 2

[0056] Reference Figure 7 There are two main bending rollers 514. When the moving bending member 52 is in the initial position, the two main bending rollers 514 are symmetrically distributed on both sides of the first bending groove 511. The upper end face of the fixed bending member 51 is provided with a third bending groove 513. The end of the third bending groove 513 near the second bending groove 512 is connected to the first bending groove 511. The third bending groove 513 and the second bending groove 512 are symmetrically arranged with the first bending groove 511 as the center.

[0057] The steel wires extending from the first bending roller 421 and the second bending roller 422 first pass through the first bending groove 511, and are initially bent by the moving bending member 52 to form the first bending angle. Depending on the subsequent bending direction, the first bending angle can be placed in the second bending groove 512 and the third bending groove 513 respectively. Subsequently, multi-angle bending is achieved by the corresponding main bending roller 514 and the fixed bending member 51.

[0058] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A continuous bending and cutting device, comprising a feeding device (1), a conveying device (2), a straightening device (3), a shearing device (4), and a bending device (5) arranged sequentially along the wire conveying direction, characterized in that: The bending device (5) includes a fixed bending component (51), a movable bending component (52), a lifting seat (53), a first lifting drive component (54), and a rotary drive component (55). The fixed bending component (51) is detachably connected to the lifting seat (53), and the movable bending component (52) is coaxially rotatably connected to the fixed bending component (51). The first lifting drive component (54) is used to drive the fixed bending component (51) and the movable bending component (52) to move synchronously up and down along the axial direction. The rotary drive component (55) is fixedly connected to the lifting seat (53) and is used to drive the movable bending component (52) to rotate. The upper end face of the fixed bending component (51) is provided with a first bending groove (511) and a second bending groove (512). The first bending groove (511) is opened along the wire conveying direction, and one end of the second bending groove (512) is intersected and connected to the first bending groove (511). The shearing device (4) is located near the bending device. (5) is provided with a first bending roller (421) and a second bending roller (422) on one side. Both the first bending roller (421) and the second bending roller (422) rotate in a direction that is both perpendicular to the wire conveying direction and parallel to the axis of the fixed bending member (51). The first bending roller (421) and the second bending roller (422) are arranged from high to low along the axis of the fixed bending member (51) and there is a space between them for the wire to pass through. The fixed bending member (51) is provided with a main bending roller (514) on the side near the shearing device (4). The rotation axis of the auxiliary bending member (522) is perpendicular to that of the main bending roller (514). The main bending roller (514) is coaxially fixedly connected to the moving bending member (52). The main bending roller (514) rises and falls to make the wire passing through the first bending roller (421) and the second bending roller (422) bend in a direction parallel to the rotation axis of the second bending roller (422).

2. The continuous bending and cutting device according to claim 1, characterized in that: The moving bending member (52) includes a base (521) and two auxiliary bending members (522). The base (521) is sleeved on the outside of the fixed bending member (51) and the two are coaxially rotatably connected. The auxiliary bending members (522) and the main bending roller (514) are rotatably connected to the upper end face of the base (521). When part of the steel wire is located in the first bending groove (511), the main bending roller (514) is located above the steel wire rope. The two auxiliary bending members (522) are distributed circumferentially along the fixed bending member (51). When the moving bending member (52) is in the initial position, the two auxiliary bending members (522) are symmetrically distributed on both sides of the first bending groove (511), and the main bending roller (514) is located on one side of the steel wire conveying direction.

3. The continuous bending and cutting device according to claim 1, characterized in that: The shearing device (4) includes a shearing blade holder (41), a fixed blade (42), a moving blade (43), and a shearing drive (44). The fixed blade (42) is fixed on the shearing blade holder (41) and is located on the side of the moving blade (43) away from the bending device (5). The shearing drive (44) is used to drive the moving blade (43) to rotate and connect with the shearing blade holder (41). The first bending roller (421) is rotated and connected with the fixed blade (42) in a direction perpendicular to its own axis. The first bending roller (421) and the second bending roller (422) are rotated and connected with the fixed blade (42) in the direction of their respective axes. A connecting rod is provided between the moving blade (43) and the first bending roller (421). The connecting rod is located below the second bending roller (422). When the moving blade (43) moves toward the fixed blade (42), it drives the first bending roller (421) away from the steel wire through the connecting rod.

4. The continuous bending and cutting device according to claim 3, characterized in that: The fixed blade (42) and the moving blade (43) are provided with a limiting groove (423) on the opposite side for the steel wire to pass through. The limiting groove (423) is used to restrict the steel wire from leaving the shearing device (4) in a conveying direction perpendicular to itself.

5. A continuous bending and cutting device according to claim 1, characterized in that: The feeding device (2) includes a deflection frame (21) and a winding wheel (22), a guide bearing (23) and several sets of positioning wheel groups (24) rotatably mounted on the deflection frame (21). The guide bearing (23) is distributed circumferentially along the outer side of the winding wheel (22). The winding wheel (22) is used for winding steel wire. The rim of the winding wheel (22) cooperates with the rim of the guide bearing (23) so that the steel wire cannot be separated from the gap between them. The positioning wheel group (24) is located on the side of the winding wheel (22) close to the straightening device (3).

6. The continuous bending and cutting device according to claim 1, characterized in that: The feeding device (1) includes a base (11), a rotating disk (12), a material rack (13), a number of guide wheels (14) arranged around the circumference of the rotating disk (12), and a positioning rod (15). The rotating disk (12) is rotatably connected to the upper surface of the base (11), the material rack (13) is located on the upper surface of the rotating disk (12), and the positioning rod (15) is fixed on the upper surface of the rotating disk (12) to restrict the mutual rotation between the material rack (13) and the rotating disk (12). The base (11) is fixed with uprights (111) that correspond one-to-one with the guide wheels (14). The guide wheels (14) are rotatably connected to the corresponding uprights (111) along their own vertical axis. A protective ring (112) is detachably connected to the upper end of the base (11).

7. The continuous bending and cutting device according to claim 1, characterized in that: The straightening device (3) includes a housing (31), several straightening wheel sets (32) located inside the housing (31), and a pair of relatively rotating extrusion rollers (33) set at the discharge end of the straightening wheel sets (32). The straightening wheel sets (32) are arranged alternately along the wire conveying direction and adjacent straightening wheel sets (32) are set perpendicular to each other. The discharge end of the straightening device (3) is provided with a positioning clamp (34) for clamping the wire and restricting its displacement during bending operations.

8. A continuous bending and cutting device according to claim 1, characterized in that: It also includes a PLC control system. The feeding device (1), feeding device (2), straightening device (3), bending device (5) and shearing device (4) are all electrically connected to the PLC control system. The PLC control system includes a PLC controller (6), a multi-axis servo driver and multiple sets of feedback sensors, which are used to realize closed-loop linkage automatic control of the entire process of wire feeding, straightening, bending and cutting.

9. A continuous bending and cutting device according to claim 1, characterized in that: The straightening device (3) is provided with a discharge guide plate (35) at the discharge end. The end of the discharge guide plate (35) near the shearing device (4) is provided with a movable plate (56) that is parallel to the discharge guide plate (35). The movable plate (56) is provided with a clearance hole for the lifting of the movable bending part (52). The lower end of the movable plate (56) is fixed with a second lifting drive (57) that drives the movable plate (56) to lift along the axial direction of the fixed bending part (51). The discharge guide plate (35) and the movable plate (56) are inclined and perpendicular to the lifting direction of the lifting seat (53). They are used to carry the steel wire during the bending process and to transport the finished product after shearing along the inclined direction.

10. A continuous bending and cutting device according to claim 1, characterized in that: Two main bending rollers (514) are provided. When the moving bending member (52) is in the initial position, the two main bending rollers (514) are symmetrically distributed on both sides of the first bending groove (511). The upper end face of the fixed bending member (51) is provided with a third bending groove (513). The end of the third bending groove (513) near the second bending groove (512) is intersected and connected with the first bending groove (511). The third bending groove (513) and the second bending groove (512) are symmetrically arranged with the first bending groove (511) as the center.

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