Punching and bending equipment for high-voltage wire fixing part

Abstract

The invention discloses punching and bending equipment for a high-voltage wire fixing piece, relates to the field of batten machining, and aims to solve the problems that traditional equipment lacks continuous machining capacity, waste collection and finished product cutting need manual intervention, and the installation requirement of electric power engineering for millimeter-level precision cannot be met. The end of the bearing plate is rotationally connected with two guide wheels rotating relatively, a batten penetrates through the middles of the two guide wheels, a punching machine, a bending machine and a cutting machine are sequentially arranged on the bearing plate in the batten feeding direction, a feeding roller is arranged between the punching machine and the bending machine, the feeding roller is rotationally connected with the bearing plate, and the cutting machine is arranged on the bearing plate. A waste material hole is formed below the punching machine, a first material conveying belt is arranged below the waste material hole, and a second material conveying belt is arranged below the cutting machine. The punching and cutting integrated production line has the advantages that the machining precision is improved, process integrated production is achieved, and accumulation of positioning errors is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of lath processing, and in particular to a punching and bending device for high-voltage line fixing parts. BACKGROUND

[0002] In the construction of power infrastructure, high-voltage line fixing parts are key components for supporting high-voltage cables, and their processing precision and installation efficiency directly affect the safety and stability of power grid operation. The traditional processing technology of high-voltage line fixing parts has significant technical bottlenecks: the punching and bending processes are usually carried out independently, requiring multiple clamping and positioning, which leads to cumulative dimensional errors. For example, the 110kV high-voltage cable accessory installation standard requires that the dimensional error between the accessory and the cable be controlled within millimeters, and the split processing mode is prone to adhesion failure due to positioning deviation. In addition, existing punching equipment is prone to problems such as burrs and inclined hole walls when processing high-strength alloy steel, such as cracks or tearing caused by improper die gap, which directly affects the mechanical strength of the fixing part. The bending process also faces challenges, as traditional hydraulic bending machines are limited by the insufficient rigidity of the male die, which is prone to angle deviation when processing thick plates, and manual intervention is required to adjust parameters, making it difficult to meet the requirements of the power industry for protection level IP65 and above. At the same time, existing equipment lacks integrated design and cannot achieve the connection of punching and bending processes, resulting in low production efficiency and failing to meet the requirements of portability and environmental adaptability in outdoor construction scenarios. In addition, traditional cutting equipment is prone to deformation when cutting high-strength materials, affecting subsequent assembly precision, and the feeding mechanism generally has problems such as inaccurate positioning and uneven pressure, further exacerbating processing errors. In view of the above problems, the existing technology needs to be improved. SUMMARY

[0003] In view of the above situation, in order to overcome the defects of the prior art, the present application provides a punching and bending device for high-voltage line fixing parts, which effectively solves the problem of the lack of continuous processing capability of traditional equipment, the need for manual intervention for waste collection and finished product cutting, and the inability to meet the millimeter-level precision installation requirements of power engineering.

[0004] To achieve the above purpose, the present application provides the following technical scheme: the present application comprises a base, the base is fixedly connected with a load-bearing plate, the load-bearing plate is rotatably connected with two opposite rotating guide wheels, a lath penetrates through the middle of the two guide wheels, along the feeding direction of the lath, the load-bearing plate is sequentially provided with a punching machine, a bending machine and a cutting machine, a feeding roller is provided between the punching machine and the bending machine, the feeding roller is rotatably connected with the load-bearing plate, a waste hole is provided below the punching machine, a first material conveying belt is provided below the waste hole, and a second material conveying belt is provided below the cutting machine. The cutting machine comprises two sets of sliding tables moving oppositely, the cutting knives are fixedly connected to the sliding tables, elastic pressing blocks are arranged on one side of the cutting knives, pressing rods are fixedly connected to the elastic pressing blocks, the pressing rods are slidably connected to the sliding tables, and reset springs are sleeved on the pressing rods between the elastic pressing blocks and the sliding tables.

[0005] Preferably, the punching machine comprises a frame, a punching table is slidably connected to the frame, a punch is fixedly connected to the punching table, a punching seat is arranged below the punching table, the punching seat is fixedly connected to the bearing plate, and the waste hole is arranged on the punching seat.

[0006] Preferably, an elastic pressing plate is arranged below the punch, a guide rod is fixedly connected to the elastic pressing plate, a through hole is arranged on the punching table for the guide rod to pass through, a baffle is fixedly connected to the upper end of the guide rod, and a buffer spring is sleeved on the guide rod at the lower end of the elastic pressing plate.

[0007] Preferably, the bending machine comprises a fixed roller, a support plate is fixedly connected to the rear of the fixed roller, the support plate is fixedly connected to the base, a fixed groove is arranged on the fixed roller, a rotary disc is rotatably connected to the outside of the fixed roller, a support rod is fixedly connected to the rotary disc, and a bending roller is rotatably connected to the support rod.

[0008] Preferably, the support rod and the bending roller have two sets, and the two sets of support rods and bending rollers are respectively arranged on the upper and lower sides of the fixed groove.

[0009] Preferably, a wedge-shaped opening is arranged on the side of the fixed groove, and the wedge-shaped opening is arranged on the side close to the feeding roller.

[0010] Preferably, a first gear is fixedly connected to the rotary disc, a second gear is engaged on one side of the first gear, and the second gear is rotatably connected to the bearing plate.

[0011] Preferably, the feeding roller comprises a first roller body and a second roller body, the first roller body is rotatably connected to the bearing plate, a connecting shaft is fixedly connected to the second roller body, the bearing plate is provided with a sliding groove for the connecting shaft to pass through, the connecting shaft is connected with a lifting table passing through the sliding groove, the lifting table is arranged on the back of the bearing plate, and the lifting table is slidably connected to the bearing plate.

[0012] Preferably, an adjusting screw is threadedly connected to the lifting table, the adjusting screw is rotatably connected to the bearing plate, a cylindrical rod is fixedly connected to the bearing plate, the cylindrical rod penetrates through the lifting table and is slidably connected to the lifting table.

[0013] Compared with the prior art, the present application has the following outstanding advantages: The application provides a punching and bending equipment for high-voltage line fixing parts, a punching machine, a bending machine, a cutting machine and a feeding roller, through the integrated continuous processing structure of the punching machine, the bending machine and the cutting machine, the accurate feeding of the board strip is realized by cooperating with the guide wheel and the feeding roller, the material stability during cutting is ensured by using the elastic pressing block and the reset spring, the positioning error problem caused by the traditional split processing is effectively solved, and the advantages of improving the processing precision, realizing the integrated process production, and reducing the positioning error accumulation are achieved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a schematic diagram of the first shaft side structure of the whole application.

[0015] Figure 2 It is a schematic diagram of the forward structure of the application.

[0016] Figure 3 It is a schematic diagram of the second shaft side structure of the whole application.

[0017] Figure 4 It is a schematic diagram of the bending machine shaft side structure of the application.

[0018] Figure 5 It is a schematic diagram of the rotating disc and fixed roller exploded structure of the application.

[0019] Figure 6 It is a schematic diagram of the bearing plate structure of the application.

[0020] Figure 7 It is a schematic diagram of the sliding table connecting structure of the application.

[0021] Figure 8 It is a schematic diagram of the lifting table connecting structure of the application.

[0022] Figure 9 It is a schematic diagram of the punching machine structure of the application.

[0023] In the figure, 1 is a base, 2 is a bearing plate, 3 is a guide wheel, 4 is a board strip, 5 is a punching machine, 501 is a rack, 502 is a punching table, 503 is a punch, 504 is a punching seat, 505 is a waste hole, 506 is an elastic pressing plate, 507 is a guide rod, 508 is a baffle, 509 is a buffer spring, 6 is a bending machine, 601 is a fixed roller, 602 is a support plate, 603 is a fixed groove, 604 is a rotating disc, 605 is a support rod, 606 is a bending roller, 607 is a first gear, 608 is a second gear, 7 is a cutting machine, 701 is a sliding table, 702 is a cutting tool, 703 is an elastic pressing block, 704 is a pressing rod, 705 is a reset spring, 8 is a feeding roller, 801 is a first roller body, 802 is a second roller body, 803 is a lifting table, 804 is an adjusting screw, 805 is a cylindrical rod, 9 is a first material conveying belt, 10 is a second material conveying belt, and 11 is a sliding groove. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work are within the protection scope of the present application.

[0025] In the prior art, high-voltage line fixing part processing generally adopts split punching and bending equipment, and multiple clamping and positioning are required between processes, resulting in size error accumulation. For example, when processing high-strength alloy plates, burrs or hole wall tilting are easily generated due to improper die gap in the independent punching process, and angle deviation is caused by positioning deviation in the subsequent bending process. The traditional equipment lacks continuous processing capability, and waste collection and finished product cutting need manual intervention, which cannot meet the installation requirements of millimeter-level precision of power engineering.

[0026] To solve the above problems, the inventors found that the core defect of the split processing mode is process connection failure. By analyzing the error generation mechanism, it is found that multiple clamping leads to uneven stress of the plate strip 4, and the springback of the material after punching affects the bending positioning accuracy. Based on this, the punching, bending and cutting processes are integrated on the same processing axis, the plate strip 4 is constrained to feed linearly by the guide wheels 3, and the feeding roller 8 is matched to maintain stable tension of the processing section. At the same time, the waste hole 505 and the material conveying belt are designed to realize automatic chip removal, avoiding manual cleaning interference with continuous operation Please refer to the drawings Figures 1-9 The punching and bending equipment for high-voltage line fixing part in the embodiment comprises a base 1, a bearing plate 2 is fixedly connected on the base 1, two opposite rotating guide wheels 3 are rotatably connected at the ends of the bearing plate 2, a plate strip 4 penetrates through the middle of the two guide wheels 3, a punching machine 5, a bending machine 6 and a cutting machine 7 are sequentially arranged along the feeding direction of the plate strip 4, a feeding roller 8 is arranged between the punching machine 5 and the bending machine 6, the feeding roller 8 is rotatably connected with the bearing plate 2, a waste hole 505 is arranged below the punching machine 5, a first material conveying belt 9 is arranged below the waste hole 505, and a second material conveying belt 10 is arranged below the cutting machine 7; the cutting machine 7 comprises two groups of sliding tables 701 that move oppositely, a cutting knife 702 is fixedly connected on the sliding table 701, an elastic pressing block 703 is arranged on one side of the cutting knife 702, a pressing rod 704 is fixedly connected on the elastic pressing block 703, the pressing rod 704 is slidably connected with the sliding table 701, a return spring 705 is sleeved on the pressing rod 704 between the elastic pressing block 703 and the sliding table 701, and the distance between the elastic pressing block 703 and the sliding table 701 is greater than the length of the cutting knife 702.

[0027] The guide wheel 3 refers to a symmetrical rotating part, which can be a steel roller with a V-shaped groove, and the guide plate 4 is guided to feed linearly by synchronous rotation to prevent lateral deviation. The feeding roller 8 refers to a transmission device located between the punching and bending processes, which can be a rubber roller group driven by a servo motor to maintain constant tension of the plate 4 in the processing section through friction. The waste hole 505 refers to a through hole below the punch 5, which can be designed as a funnel structure to make the punching waste slide down the inclined surface to the first material conveying belt 9 to complete automatic collection. The elastic pressing block 703 refers to a positioning part with a buffering function, which can be made of polyurethane material to press the edge of the plate 4 before cutting, and the return spring 705 provides a downward pressure to eliminate material rebound.

[0028] Specifically, after the plate 4 passes through the middle of the guide wheel 3, it moves horizontally along the plane of the bearing plate 2 to the punch 5 to complete the punching operation, and the waste is discharged through the waste hole 505. After the plate 4 is pushed into the bending machine 6 by the feeding roller 8, it continues to be conveyed to the cutting machine 7, and the two groups of sliding tables 701 drive the cutting knives 702 to move towards each other to cut off the plate 4. The elastic pressing block 703 contacts the surface of the plate 4 before cutting, and the return spring 705 is compressed to generate a pre-pressure. During the downward movement of the cutting knife 702, the elastic pressing block 703 continuously presses the material, and after cutting is completed, the sliding table 701 is reset, and the distance between the elastic pressing block 703 and the sliding table 701 ensures that the cutting knife 702 is completely separated from the workpiece.

[0029] Compared with the prior art, the traditional equipment needs manual transfer of semi-finished products and repositioning, and the present scheme eliminates repeated positioning errors through process integration and continuous conveying. The guide wheel 3 and the feeding roller 8 cooperatively control the straightness of the plate 4 to avoid material deviation after punching affecting the bending accuracy. The elastic pressing block 703 dynamically compensates for material rebound during cutting, which is more suitable for processing of different thicknesses of plates than traditional rigid clamping.

[0030] Through the above technical scheme, the present application realizes continuous automatic processing of punching, bending and cutting processes, and the positioning accuracy is controlled within the millimeter level, meeting the installation standard of high-voltage cable accessories. The automatic waste collection function reduces the frequency of equipment downtime cleaning, and the design of the elastic pressing block 703 effectively prevents plate displacement during cutting, which is especially suitable for batch production of high-strength alloy steel plates.

[0031] The present application further proposes that the punch 5 comprises a rack 501, the rack 501 is slidably connected with a punch table 502, the punch table 502 is fixedly connected with a punch 503, a punch seat 504 is arranged below the punch table 502, the punch seat 504 is fixedly connected with the bearing plate 2, and the waste hole 505 is arranged on the punch seat 504.

[0032] The rack 501 refers to a main body frame of the punching machine 5, which can be implemented by a welded steel structure, and is used to provide rigid support for the punching movement. The punching table 502 refers to a bearing platform moving in the vertical direction, which can be implemented by a combination of a linear guide rail and a hydraulic cylinder, and is used to drive the punch 503 to complete the reciprocating punching action. The punch 503 refers to a forming part for performing the punching operation, which can be made of high-carbon steel material, and the end shape thereof is matched with the size of the target hole. The punching seat 504 refers to a fixedly installed positioning base, which can be rigidly connected with the bearing plate 2 through bolts, and is used to provide reaction force support for the board 4 during the punching process.

[0033] Specifically, the punching table 502 vertically slides along the guide rail of the rack 501, driving the punch 503 and the punching seat 504 to form a periodic closing movement. When the board 4 is conveyed to the surface of the punching seat 504 by the feeding roller 8, the punch 503 penetrates the board 4 to form a hole, and the punching structure arranged in the punching seat 504 can accommodate the punch 503 to be completely penetrated. The fixed connection structure of the punching seat 504 and the bearing plate 2 ensures that the board 4 does not displace horizontally during the punching process, and the punch 503 and the hole are always coaxially aligned.

[0034] Compared with the prior art, the traditional punching equipment relies on manual adjustment of the die gap, and when processing high-strength plates, the positioning deviation may cause the hole wall to be inclined. The rigid connection of the punching seat 504 and the bearing plate 2 in the scheme, combined with the guide sliding structure of the punching table 502, forms a stable punching trajectory, effectively eliminating the influence of die gap changes on the machining precision.

[0035] Through the above technical scheme, the punch 503 and the punching seat 504 can be accurately aligned during the punching process, avoiding burrs or hole wall tearing caused by die misalignment, improving the size consistency of the punching part of the high-voltage line fixing member, and meeting the stringent requirements of power equipment on installation precision.

[0036] The punch 503 is further provided with an elastic pressing plate 506 below, the elastic pressing plate 506 is fixedly connected with a guide rod 507, the punching table 502 is provided with a through hole through which the guide rod 507 passes, the upper end of the guide rod 507 is fixedly connected with a baffle 508, and the lower end of the guide rod 507 of the elastic pressing plate 506 is sleeved with a buffer spring 509.

[0037] The elastic pressing plate 506 refers to a rigid plate arranged below the punch 503, which can be made of high-carbon steel after quenching treatment, and the thickness can be 3-5 mm. The structure preferentially contacts the workpiece surface during stamping, and prevents the plate from shifting through pre-pressing effect. The guide rod 507 refers to a cylindrical rod penetrating through the stamping table 502 and the elastic pressing plate 506, which can be made of 45 steel with chrome plating on the surface, and the diameter can be 12-16 mm. The component restricts the elastic pressing plate 506 to move only in the vertical direction, ensuring the alignment accuracy of the punch 503 and the stamping seat 504. The buffer spring 509 refers to a coil spring sleeved on the lower end of the guide rod 507, which can be made of 60Si2Mn spring steel, and the free length can be 50-80 mm. The component provides elastic buffering at the end of the stamping stroke, absorbing the impact load generated by the rigid contact between the punch 503 and the stamping seat 504.

[0038] Specifically, when the stamping table 502 drives the punch 503 to press down, the elastic pressing plate 506 first contacts the plate to be processed. As the stamping table 502 continues to descend, the buffer spring 509 is compressed and stores elastic potential energy, and at this time the guide rod 507 slides in the through hole to ensure that the pressing plate remains horizontal. When the punch 503 completes the punching action, the buffer spring 509 pushes the elastic pressing plate 506 to reset, and the stopper 508 limits the guide rod 507 from disengaging from the through hole. This process eliminates plate vibration through the pre-pressing effect of the elastic pressing plate 506, and the buffer spring 509 effectively reduces the mechanical impact at the moment of stamping.

[0039] Compared with the prior art, the traditional punching device lacks elastic pressing and buffering structure, which causes the plate to be easily displaced and shear stress concentration during stamping. The present scheme maintains the stability of the stamping process through the synergistic effect of the guide rod 507 and the buffer spring 509, and avoids damage to the mold caused by rigid impact.

[0040] Through the above technical scheme, the present application effectively solves the problem of hole wall inclination caused by material springback during punching of high-strength alloy steel, and reduces the abnormal wear of mold gap caused by stamping vibration. The cooperation of the elastic pressing plate 506 and the buffer spring 509 makes the plate always in a stable pressing state during the punching process, significantly improving the hole position accuracy and edge quality.

[0041] The present application further proposes a fixed roller 601, a support plate 602 is fixedly connected behind the fixed roller 601, the support plate 602 is fixedly connected with the base 1, a fixed groove 603 is arranged on the fixed roller 601, a rotary disc 604 is rotatably connected outside the fixed roller 601, a support rod 605 is fixedly connected on the rotary disc 604, and a bending roller 606 is rotatably connected on the support rod 605.

[0042] The fixed roller 601 refers to a cylindrical component for bearing the board strip 4 and defining the bending position thereof, and can specifically be implemented by an alloy steel roller body with a V-shaped groove on the surface. The depth of the fixed groove 603 can be set to 1.2 to 1.5 times the thickness of the board strip 4 to provide stable positioning. The support plate 602 refers to a vertical mounting plate for enhancing the structural rigidity of the fixed roller 601, and can specifically be implemented by a Q235 steel plate with a thickness of 20 to 30 mm and welded to the base 1. The rotating disc 604 refers to a driving component for driving the bending roller 606 to perform circumferential motion, and can specifically be implemented by a gear disc with a diameter of 300 to 400 mm and coaxially rotating with the fixed roller 601 through a bearing. The support rod 605 refers to a force transmission member connecting the rotating disc 604 and the bending roller 606, and can specifically be implemented by two groups of symmetrically arranged rectangular section connecting rods, with a length of 150 to 200 mm to meet the requirement of different bending radii. The bending roller 606 refers to an executing component for implementing plastic deformation on the board strip 4, and can specifically be implemented by GCr15 bearing steel with surface quenching treatment, with a diameter of 0.6 to 0.8 times the diameter of the fixed roller 601.

[0043] Specifically, when the board strip 4 is conveyed into the fixed groove 603 through the feeding roller 8, the rotating disc 604 drives the support rod 605 to perform circumferential motion, and at this time, the bending roller 606 applies a bending moment to the board strip 4 with the fixed roller 601 as the fulcrum. The support plate 602 ensures that the fixed roller 601 does not deviate during the bending process through rigid connection, and the side wall of the fixed groove 603 forms three-point positioning constraint on the board strip 4. The symmetric arrangement of the two groups of support rods 605 and the bending roller 606 uniformly distributes the bending force on both sides of the board strip 4, and the continuous rotation of the rotating disc 604 can complete the bending forming of a predetermined angle.

[0044] Compared with the prior art, the traditional hydraulic bending machine 6 adopts a single-point force application mode, which is easy to cause the board strip 4 to be twisted and deformed, while the present scheme realizes multi-point positioning in the bending process through the cooperation of the fixed groove 603 and the rotating disc 604. The existing equipment needs manual adjustment of the mold position to adapt to different bending angles, while the present scheme can accurately control the bending radius by changing the rotation angle of the rotating disc 604. The conventional bending machine 6 has the problem of insufficient support rigidity when processing thick plates, and the rigid connection of the support plate 602 and the base 1 significantly improves the carrying capacity of the equipment.

[0045] Through the above technical scheme, the present application effectively solves the angle deviation problem caused by insufficient rigidity in the traditional bending process, and realizes the accurate positioning and bending of the board strip 4 through the cooperation of the rotating disc 604 and the fixed groove 603. The combination structure of the fixed roller 601 and the support plate 602 enhances the processing capacity of the equipment for high-strength alloy steel plates, and the linkage design of the bending roller 606 and the support rod 605 enables the bending forming process to be completed without manual intervention, significantly improving the processing efficiency of the high-voltage line fixing member.

[0046] The application further proposes that the support rods 605 and the bending rollers 606 are two groups, and the two groups of support rods 605 and the bending rollers 606 are respectively located on the upper and lower sides of the fixed groove 603.

[0047] The support rod 605 refers to a rigid connecting piece connecting the rotary disc 604 and the bending roller 606, which can be made of high-strength alloy steel, and is used to transmit the rotary power of the rotary disc 604 to the bending roller 606. The bending roller 606 refers to a metal roller body with a cylindrical structure, which can be made of carbon steel with a hard chromium plated surface, and is used to apply bending pressure to the strip 4. The fixed groove 603 refers to a groove structure arranged on the surface of the fixed roller 601, which can be designed in a V-shaped or U-shaped cross section, and is used to constrain the lateral displacement of the strip 4.

[0048] Specifically, when the strip 4 enters the fixed groove 603, the rotary disc 604 drives the two groups of support rods 605 to rotate synchronously, so that the upper and lower bending rollers 606 simultaneously contact the surface of the strip 4. During the bending process, the bending rollers 606 on the upper and lower sides of the fixed groove 603 form a symmetrical force applying structure, which eliminates the material springback caused by unilateral bending through bidirectional pressure action. When the bending roller 606 rolls along the axial direction of the strip 4, the rotating direction forms an angle with the feeding direction of the strip 4, which promotes the plastic deformation of the strip 4 in the fixed groove 603.

[0049] Compared with the prior art, the traditional bending equipment only uses a single group of bending rollers 606 for unilateral pressure, which is easy to cause the strip 4 to deviate or have an angle deviation during the bending process due to uneven stress. The present scheme forms a balanced force system through the two groups of bending rollers 606 arranged symmetrically on the upper and lower sides, and establishes bidirectional constraint at the beginning of the bending process, which effectively suppresses the lateral displacement of the material during plastic deformation.

[0050] Through the above technical scheme, the application solves the problem of bending angle deviation caused by unilateral force in the traditional bending process, ensures that the strip 4 is always in a symmetrical stress state during the bending process, and improves the geometric precision of the bending forming. At the same time, the double-bending roller 606 structure can adapt to the processing needs of strips 4 of different thicknesses, avoid bending failure caused by differences in material strength, and significantly improve the qualified rate of finished products.

[0051] The application further proposes that the side edge of the fixed groove 603 is provided with a wedge-shaped opening, and the wedge-shaped opening is located on the side close to the feeding roller 8.

[0052] The wedge-shaped opening refers to the inclined surface structure formed at the edge of the fixed groove 603, which can be realized by chamfering or bevel cutting process, and the inclination angle can be controlled between 30° and 60°, for example. This structure is used to guide the board 4 to reduce edge friction when entering the fixed groove 603. The side close to the feeding roller 8 means that the wedge-shaped opening is arranged in a position where the fixed groove 603 is aligned with the feeding roller 8, which can be achieved by adjusting the installation direction of the fixed roller 601, for example, forming an angle of 0° to 15° between the center line of the opening and the axis of the feeding roller 8. This arrangement optimizes the introduction path of the board 4 from the feeding roller 8 to the fixed groove 603.

[0053] Specifically, when the board 4 is transported to the bending station by the feeding roller 8, the front end thereof first contacts the wedge-shaped opening of the fixed groove 603. The inclined surface structure reduces the contact area between the edge of the board 4 and the fixed groove 603, avoiding scratches or jam caused by the right-angle edge. During the process of entering the fixed groove 603, the wedge-shaped opening guides the board 4 to automatically align with the center line of the fixed groove 603, eliminating the bending angle deviation caused by the deviation in the transport. At the same time, the linear correspondence between the opening position and the feeding roller 8 ensures that the board 4 can be directly introduced into the fixed groove 603 without additional turning.

[0054] Compared with the prior art, the conventional fixed groove 603 adopts a right-angle edge design, which is easy to cause rigid collision with the edge of the slot when the board 4 enters due to slight deviation, resulting in surface scratches or local deformation of the material. The present scheme forms a gradual guide surface through the wedge-shaped opening, so that the contact process of the board 4 changes from linear contact to surface contact, reducing the unit area pressure. In addition, when there is an orientation deviation between the fixed groove 603 and the feeding roller 8 in the prior art, the direction of the board 4 needs to be adjusted manually, while the present scheme realizes automatic centering by optimizing the opening orientation, reducing the frequency of manual intervention.

[0055] Through the above technical scheme, the present application effectively solves the problem of reduced positioning accuracy caused by frictional resistance during the transport of the board 4, and reduces the risk of surface damage of high-strength alloy steel material during the introduction stage. The improved centering accuracy of the board 4 in the bending process controls the bending angle deviation within ±0.5°, and reduces the burr defects caused by collision, so that the processed fixed part meets the millimeter-level dimensional tolerance requirements of the 110kV high-voltage cable accessory installation standard.

[0056] The present application further proposes that the first gear 607 is fixedly connected to the rotating disc 604, one side of the first gear 607 is engaged with the second gear 608, and the second gear 608 is rotationally connected with the load-bearing plate 2.

[0057] The first gear 607 refers to an annular gear fixed in the circumferential direction of the rotating disc 604, and can be specifically implemented by a involute gear with a module greater than or equal to 3, and the tooth surface hardness can reach HRC 55 or more. The gear is coaxially fixed with the rotating disc 604 and is used for transmitting rotary power. The second gear 608 refers to a driven gear in meshing transmission with the first gear 607, and can be specifically implemented by an alloy steel gear with a smaller index circle diameter than the first gear 607, and the tooth profile parameters are matched with the first gear 607. The second gear 608 is rotatably connected with the bearing plate 2 through a bearing, and is used for converting the rotary motion of the rotating disc 604 into the reciprocating swing of the bending roller 606.

[0058] Specifically, when the rotating disc 604 is driven to rotate by the outside, the first gear 607 synchronously drives the second gear 608 to rotate. The rotation axis of the second gear 608 is fixed with the bearing plate 2, and the rotation angle is accurately controlled through the transmission ratio of the gear pair. Since the gear meshing has the self-locking characteristic, when the bending roller 606 is driven by the support rod 605 to perform the bending operation, the rotation angle of the rotating disc 604 and the displacement of the bending roller 606 form a linear corresponding relationship, avoiding the bending angle deviation caused by the oil pressure fluctuation in the traditional hydraulic driving system.

[0059] Compared with the prior art, the traditional bending machine 6 usually adopts chain or belt transmission, and has the problems of large transmission gap and easy slipping. The gear meshing transmission mode realizes power transmission through tooth surface contact, and the transmission efficiency is improved and the angle control precision is improved. In addition, the rotary connection structure of the second gear 608 and the bearing plate 2 eliminates the installation error caused by the independent transmission mechanism, so that the motion trajectory of the bending roller 606 and the feeding direction of the plate strip 4 always remain perpendicular.

[0060] Through the above technical scheme, the present application realizes the accurate linkage control of the bending roller 606 angle and the rotating position of the rotating disc 604, and solves the problem of bending angle out-of-tolerance caused by the transmission system error of the traditional equipment. The rigid transmission characteristic of the gear pair avoids the operation of repeatedly adjusting the bending parameters by hand, so that the pass rate of the thick plate bending operation is improved, and the process requirement that the bending angle error of the high-voltage line fixing part is not more than ±1° is met.

[0061] The application further provides a punching and bending equipment for high-voltage line fixing parts, a feeding roller 8 comprises a first roller body 801 and a second roller body 802, the first roller body 801 is rotationally connected with a bearing plate 2, a connecting shaft is fixedly connected to the second roller body, the bearing plate 2 is provided with a sliding groove 11 through which the connecting shaft penetrates, the connecting shaft is connected with a lifting platform 803 penetrating through the sliding groove 11, the lifting platform 803 is located at the back of the bearing plate 2, the lifting platform 803 is slidingly connected with the bearing plate 2, an adjusting screw 804 is threadedly connected to the lifting platform 803, the adjusting screw 804 is rotationally connected with the bearing plate 2, a cylindrical rod 805 is fixedly connected to the bearing plate 2, the cylindrical rod 805 penetrates through the lifting platform 803 and is slidingly connected with the lifting platform 803.

[0062] The first roller body 801 and the second roller body 802 refer to two independent rotating parts constituting the feeding roller 8, and specifically can be realized by adopting metal roller bodies with anti-skid lines on surfaces, the clamping area is formed by the double-roller structure to stabilize the conveying of the board strip 4. The sliding groove 11 refers to a long-strip-shaped guide structure arranged on the bearing plate 2, and specifically can be realized by adopting a rectangular-section groove to limit the moving track of the connecting shaft. The lifting platform 803 refers to an adjustable platform bearing the second roller body 802, and specifically can be realized by adopting a steel plate structure with a sliding guide rail to change the distance between the second roller body 802 and the first roller body 801 through vertical displacement. The adjusting screw 804 refers to a threaded transmission part for controlling the height of the lifting platform 803, and specifically can be realized by adopting a trapezoidal threaded rod and a nut cooperation structure to realize accurate control of the distance between the roller bodies by rotating the adjusting screw 804. The cylindrical rod 805 refers to a guide part penetrating through the lifting platform 803, and specifically can be realized by adopting a chromium-plated alloy steel rod to keep the straightness of the lifting platform 803 through the sliding cooperation with the lifting platform 803.

[0063] Specifically, when the board strip 4 enters the punching and bending equipment, the first roller body 801 and the second roller body 802 form a clamping area to convey the board strip 4. For the board strip 4 with different thicknesses, the lifting platform 803 is driven to slide along the cylindrical rod 805 by rotating the adjusting screw 804, and the second roller body 802 is vertically moved in the path defined by the sliding groove 11, so as to adjust the clamping gap between the two roller bodies. The sliding cooperation between the cylindrical rod 805 and the lifting platform 803 ensures that the second roller body 802 always keeps in a horizontal state, avoiding the inclination problem caused by unilateral force. When processing high-strength alloy plates, the roller clamping force can be appropriately increased to prevent slipping, and when processing thin plates, the clamping force is reduced to avoid deformation.

[0064] Compared with the prior art, the traditional feeding device adopts a double-roller structure with a fixed spacing, which cannot adapt to the processing requirements of different thickness plates, leading to problems such as easy deformation of thin plates and unstable conveying of thick plates. The present scheme realizes dynamic adjustment of the spacing between the roller bodies while maintaining continuous feeding, solving the problem of insufficient feeding accuracy caused by differences in material thickness in traditional equipment, and effectively improving the motion stability of the lifting mechanism through the combination design of the cylindrical rod 805 and the adjusting screw 804.

[0065] Through the above technical scheme, the present application realizes accurate adjustment of the spacing between the feeding rollers 8, ensures stable conveying of plates of different thicknesses during punching and bending, and avoids the problem of cumulative positioning errors caused by changes in material thickness. The cooperation structure of the lifting platform 803 and the cylindrical rod 805 enhances the motion guiding accuracy of the second roller body 802, and the threaded transmission mode of the adjusting screw 804 provides a reliable clamping force control means, thereby significantly improving the adaptability of the equipment to different specifications of materials.

[0066] The present application further proposes that the lifting platform 803 is threadedly connected with an adjusting screw 804, the adjusting screw 804 is rotationally connected with a load-bearing plate 2, the load-bearing plate 2 is fixedly connected with a cylindrical rod 805, and the cylindrical rod 805 penetrates through the lifting platform 803 and is slidingly connected with the lifting platform 803.

[0067] The adjusting screw 804 is a transmission component that transmits axial displacement through thread engagement, which can be implemented by using a trapezoidal thread or a ball screw structure, and the axial thrust generated by thread engagement can drive the lifting platform 803 to move vertically. The cylindrical rod 805 is a guiding component with a smooth outer surface, which can be implemented by using a chrome-plated steel rod or a linear bearing cooperation structure, and the sliding cooperation between the cylindrical rod 805 and the lifting platform 803 can limit the rotational deviation of the lifting platform 803 during movement.

[0068] Specifically, when it is necessary to adjust the gap of the feeding rollers 8 to adapt to the processing of plates of different thicknesses, rotating the adjusting screw 804 can drive the lifting platform 803 to move along the axis of the cylindrical rod 805. Since the cylindrical rod 805 and the lifting platform 803 form a sliding constraint, the lifting platform 803 can only move linearly, avoiding the circumferential deviation of the lifting platform 803 caused by the rotation of the adjusting screw 804. The rotational connection between the adjusting screw 804 and the load-bearing plate 2 is realized through a bearing or shaft sleeve structure, ensuring smooth transmission of the rotational action.

[0069] In some specific embodiments, the end of the adjusting screw 804 can be provided with a hand wheel or a servo motor driving device, and the surface of the cylindrical rod 805 can be coated with a lubricating coating to reduce frictional resistance. The sliding fit gap between the lifting platform 803 and the cylindrical rod 805 can be controlled within the range of 0.05-0.1 millimeters, for example, by using a clearance fit or a transition fit.

[0070] Compared with the prior art, the gap adjustment of the feeding roller 8 in the traditional device is usually achieved by stacking gaskets or knocking displacement, which has the problems of low adjustment accuracy and time-consuming operation. The stepless adjustment of the position of the lifting platform 803 is realized through the cooperation of the screw transmission and the guide rod 507, and the movement trajectory is constrained by the cylindrical rod 805, so that the position deviation risk in the manual adjustment process is eliminated.

[0071] Through the above technical scheme, the feeding roller 8 gap is quickly and accurately adjusted, ensuring that the plate strip 4 of different thicknesses maintains stable feeding pressure during punching and bending, solving the problem of plate strip 4 jamming or slipping caused by improper feeding roller 8 gap in traditional devices, and reducing the labor intensity of the operator.

[0072] The lifting platform 803 is further provided with a threaded adjusting screw 804, the adjusting screw 804 is rotatably connected with the bearing plate 2, the bearing plate 2 is fixedly connected with a cylindrical rod 805, and the cylindrical rod 805 penetrates through the lifting platform 803 and is slidably connected with the lifting platform 803.

[0073] The adjusting screw 804 is a transmission component for adjusting the height of the lifting platform 803 through a threaded pair, which can be realized by matching a trapezoidal threaded rod with the threaded hole of the lifting platform 803. The self-locking property of the threaded pair can prevent the lifting platform 803 from shifting during processing. The cylindrical rod 805 is a guide component for limiting the movement trajectory of the lifting platform 803, which can be realized by penetrating an alloy steel rod with surface quenching through the guide hole of the lifting platform 803. The gap between the cylindrical rod 805 and the guide hole can eliminate the rotational freedom of the lifting platform 803 during vertical movement.

[0074] Specifically, when the gap between the second roller body 802 and the first roller body 801 needs to be adjusted to adapt to plate strips 4 of different thicknesses, the adjusting screw 804 is rotated to drive the lifting platform 803 to move along the axis direction of the cylindrical rod 805. The rigid support of the cylindrical rod 805 can prevent the lifting platform 803 from shifting laterally under stress, and the precise transmission of the threaded pair can control the gap adjustment accuracy of the second roller body 802 and the first roller body 801 within the millimeter range. This structure replaces the traditional manual adjustment with mechanical linkage, realizing stable control of the feeding roller 8 gap.

[0075] Compared with the prior art, the traditional device uses a screw adjustment device without a guide structure, which is easy to cause the roller body axis to deviate due to uneven stress when adjusting the feeding roller 8 gap, thereby causing the plate strip 4 to jam. The cooperation of the cylindrical rod 805 and the adjusting screw 804 can maintain the parallelism of the roller body while ensuring the adjustment accuracy, avoiding processing errors caused by feeding deviation of the plate strip 4 during punching and bending.

[0076] Through the technical scheme, the application realizes accurate and rapid adjustment of the gap of the feeding roller 8, solves the problem of low efficiency caused by repeated debugging by manual operation of the traditional equipment, can adapt to the continuous processing requirements of different specifications of the slats 4, and ensures the size consistency of the punching and bending processes of the high-voltage line fixing member.

[0077] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for the purpose of limiting the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A punch and bend apparatus for high tension line fasteners, characterized by: The utility model provides a cutting and bending machine, including base (1), fixedly connected with the bearing plate (2) on base (1), the end rotatablely connected with two opposite rotating guide wheels (3) of bearing plate (2), the middle part of two guide wheels (3) is penetrated with batten (4), along batten (4) feeding direction, puncher (5), bending machine (6) and cutting machine (7) are equipped in proper order on bearing plate (2), and puncher (5) is equipped with feeding roller (8) between puncher (5) and bending machine (6), feeding roller (8) is rotatably connected with bearing plate (2), and puncher (5) below is equipped with waste hole (505), and waste hole (505) below is equipped with first material conveying belt (9), and the below of cutting machine (7) is equipped with second material conveying belt (10), The cutting machine (7) includes two groups of opposite sliding tables (701), the sliding table (701) is fixedly connected with the cutting knife (702), and the cutting knife (702) side is provided with an elastic pressing piece (703), the elastic pressing piece (703) is fixedly connected with a pressing rod (704), the pressing rod (704) is slidably connected with the sliding table (701), and the pressing rod (704) between the elastic pressing piece (703) and the sliding table (701) is sleeved with a return spring (705), and the spacing between the elastic pressing piece (703) and the sliding table (701) is greater than the length of the cutting knife (702).

2. A punch and bend apparatus for high voltage line fasteners as defined in claim 1 wherein: The puncher (5) includes a rack (501), the rack (501) is slidably connected with a punch table (502), the punch table (502) is fixedly connected with a punch head (503), the punch table (502) below is provided with a punching seat (504), the punching seat (504) is fixedly connected with the bearing plate (2), and the waste hole (505) is located on the punching seat (504).

3. A punch and bend apparatus for high voltage line fasteners as defined in claim 2 wherein: The punch head (503) below is provided with an elastic pressing plate (506), the elastic pressing plate (506) is fixedly connected with a guide rod (507), the punch table (502) is provided with a through hole for the guide rod (507) to pass through, the guide rod (507) upper end is fixedly connected with a baffle (508), and the guide rod (507) lower end of the elastic pressing plate (506) is sleeved with a buffer spring (509).

4. The punch and bend apparatus for high voltage line hangers of claim 1 wherein: The bending machine (6) includes a fixed roller (601), the fixed roller (601) rear is fixedly connected with a support plate (602), the support plate (602) is fixedly connected with the base (1), the fixed roller (601) is provided with a fixed groove (603), the fixed roller (601) is rotatably connected with a rotary disc (604) outside, the rotary disc (604) is fixedly connected with a support rod (605), and the support rod (605) is rotatably connected with a bending roller (606).

5. The punch and bend apparatus for high voltage line hangers of claim 4 wherein: The support rod (605) and the bending roller (606) have two groups, and the two groups of support rods (605) and bending rollers (606) are located on the upper and lower sides of the fixed groove (603).

6. A punch and bend apparatus for high voltage line fasteners as defined in claim 4 or 5, wherein: The side of the fixed groove (603) is provided with a wedge-shaped opening, and the wedge-shaped opening is located on the side close to the feeding roller (8).

7. The punch and bend apparatus for high voltage line hangers of claim 4 wherein: The first gear (607) is fixedly connected to the rotating disc (604), one side of the first gear (607) is engaged with a second gear (608), and the second gear (608) is rotationally connected to the load bearing plate (2).

8. The punch and bend apparatus for high voltage line hangers of claim 1, wherein: The feeding roller (8) comprises a first roller body (801) and a second roller body (802), the first roller body (801) is rotationally connected to the load bearing plate (2), a connecting shaft is fixedly connected to the second roller body, the load bearing plate (2) is provided with a sliding groove (11) through which the connecting shaft passes, the connecting shaft is connected with a lifting platform (803) passing through the sliding groove (11), the lifting platform (803) is located on the back of the load bearing plate (2), and the lifting platform (803) is slidingly connected to the load bearing plate (2).

9. The punch and bend apparatus for high voltage line hangers of claim 8, wherein: A adjusting screw (804) is threadedly connected to the lifting platform (803), the adjusting screw (804) is rotationally connected to the load bearing plate (2), a cylindrical rod (805) is fixedly connected to the load bearing plate (2), the cylindrical rod (805) penetrates through the lifting platform (803) and is slidingly connected to the lifting platform (803).

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