A cable bending machine

Abstract

The invention discloses a cable bending machine, comprising a guide seat and a bending seat, the guide seat and the bending seat are fixedly connected by bolts, and a fixing foot is arranged on a bottom plate of the guide seat, an adjustable fixed wire clamp structure and a spring clamp structure are arranged on the guide seat, and a center seat is fixedly installed on the bending seat, a mounting cavity is arranged in the center seat, a lifting motor seat is arranged in the mounting cavity, and an adjusting shaft is connected to the motor seat, a lower adjusting disk and an upper adjusting disk are arranged on the adjusting shaft, and a polygonal bending mold is arranged on the lower adjusting disk and the upper adjusting disk, a center shaft is rotatably installed at the bottom of the center seat, and a rotating rod is arranged on the center shaft, a pressure rod is arranged on the rotating rod, a lifting back plate is arranged at the bottom of the bending seat, and a driving structure with a driving angle increasing sequentially is arranged on the back plate; the purpose of automatically adjusting the curvature of the bending mold to adapt to cables of different sizes and bending the cables in batches to ensure the bending quality of the cables can be achieved.

Description

Technical Field

[0001] The invention relates to the technical field of cable bending, in particular to a cable bending machine. Background Art

[0002] Most of the household appliances and office supplies people use cannot do without the support of electricity, which also makes people's demand for electricity increasingly high, so the construction of power facilities is very important. In some power facilities, the connecting cables involved need to be bent to facilitate installation and later maintenance.

[0003] There are computer-controlled automatic wire bending machines on the market that can perform multiple bends on cables and wires, but their limitation is that they can only bend thin cables. Thick cables can usually only be bent semi-automatically. Although this saves labor intensity to a certain extent, the degree of automation is low and it does not save manpower for the company. When using it, it is usually necessary to replace bending molds with different curvatures according to the size of the cable and the angle to be bent, so that the cable can be bent in accordance with the bending mold, which is more troublesome to use. In addition, when bending, such semi-automatic processing equipment usually applies a constant force at one time to push the cable to bend. When the thick cable deforms too quickly, it is prone to internal extrusion and breakage. Summary of the invention

[0004] The object of the present invention is to provide a cable bending machine to automatically adjust the curvature of the bending die to adapt to cables of different sizes, and to bend the cables in batches to ensure the quality of cable bending, so as to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a cable bending machine, comprising a guide seat and a bending seat, the guide seat and the bending seat are fixedly connected by bolts, and the guide seat bottom plate is provided with a fixed foot, the guide seat is provided with an adjustable fixed wire clamp structure and a spring clamp structure, and a center seat is fixedly installed on the bending seat, a mounting cavity is provided in the center seat, a lifting motor seat is provided in the mounting cavity, and an adjusting shaft is connected to the motor seat, a lower adjusting disk and an upper adjusting disk are provided on the adjusting shaft, and the lower adjusting disk and the upper adjusting disk are both provided with a polygonal bending mold, and the polygonal bending mold has an arc-shaped protrusion with different curvatures, and a lifting positioning structure is provided on the center seat for the lower adjusting disk and the upper adjusting disk, a central shaft is rotatably installed at the bottom of the center seat, and a rotating rod is provided on the central shaft, a pressure rod is provided on the rotating rod, and the pressure rod is slidably connected in the arc groove between the bending seat and the center seat, a lifting back plate is provided at the bottom of the bending seat, and a driving structure with a driving angle increasing successively is provided on the back plate, and the central shaft is driven by the driving structure.

[0006] Preferably, two pairs of fixed wire clamp structures are arranged on the guide seat, and the two pairs of fixed wire clamp structures are respectively arranged on the side of the guide seat close to the bending seat and the side away from the bending seat. The fixed wire clamp structure includes a limit seat arranged on the guide seat, and the limit seat is threadedly connected with an adjusting screw, and a clamping head is arranged at the end of the adjusting screw.

[0007] Preferably, the spring clamp structure is arranged between two pairs of fixed wire clamp structures, and the spring clamp structure includes a base plate fixedly mounted on the top surface of the guide seat, and the base plate is connected to a guide tube via a spring, and the guide tube is slidably mounted on the guide seat.

[0008] Preferably, the bending seat is an annular structure, and the center seat is a cylindrical structure located in the middle of the bending seat, a first push rod is arranged in the installation cavity, and the motor seat is installed on the first push rod, the positioning structure includes a second push rod arranged in the installation cavity, and a lifting plate is connected to the second push rod, three positioning rods are arranged on the lifting plate, and three positioning holes are concentrically arranged on the lower adjustment plate and the upper adjustment plate.

[0009] Preferably, the adjusting shaft is vertically arranged and driven by a motor in a motor seat, the lower adjusting disk and the upper adjusting disk are installed on the adjusting shaft from bottom to top, and the polygonal bending molds on the lower adjusting disk and the upper adjusting disk are staggered.

[0010] Preferably, the central axis is installed through a bearing, and the rotating rod is horizontally arranged, the pressure rod is vertically connected to the upper surface of the rotating rod, and a limit plate is fixedly installed on the outer wall of the pressure rod, and a ball is installed on the limit plate through a spherical pair, and the ball is rollingly connected to the curved seat and the top surface of the center seat.

[0011] Preferably, a guide seat is fixedly installed at the bottom of the bending seat, and a slide seat is slidably installed on the guide seat, the slide seat is driven to rise and fall by a driving screw, and the back plate is fixedly installed on the slide seat, a sliding groove is provided on the guide seat, and the slide seat is connected in the sliding groove, and the driving screw and the back plate are respectively located on both sides of the guide seat.

[0012] Preferably, the back plate is provided with a first bottom plate, a second bottom plate, and a third bottom plate in sequence from top to bottom, and the first bottom plate, the second bottom plate, and the third bottom plate are respectively provided with a first rack, a second rack, and a third rack for limited sliding installation, and the first rack, the second rack, and the third rack are all connected to a cylinder, and a gear is provided on the central axis.

[0013] Preferably, the lengths of the first base plate, the second base plate and the third base plate increase sequentially, and the lengths of the first rack, the second rack and the third rack increase sequentially, and three cylinders are provided, which are respectively connected to the first base plate, the second base plate and the third base plate, and the gears are located on the sides of the first rack, the second rack and the third rack.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The bending device of the present invention consists of two parts, a bending seat and a guide seat. The guide seat is used to guide and fix the cables and wires in a straight line. A fixed wire clamp structure and a spring clamp structure are arranged on the guide seat. The fixed wire clamp structure mainly fixes the cable to ensure that the front end of the cable can be bent smoothly under force. The spring clamp structure can assist the fixed wire clamp structure, making it convenient to use the fixed wire clamp structure for final fixation, and can very conveniently complete the preparation work for cable bending.

[0016] 2. The present invention bends cables and wires in a bending seat, a center seat is provided in the middle of the bending seat, and a bending die structure with adjustable curvature is provided on the center seat, the bending die structure is composed of an adjusting disk and a polygonal bending die, and the polygonal bending die is provided with arc-shaped protrusions with different curvatures that are consistent with the center distance of the adjusting disk. The polygonal bending die is driven to rotate by the adjusting disk, and the cables can be bent and guided by the arc-shaped protrusions with different curvatures to adapt to cables and wires of different thicknesses. The adjusting disk is further divided into a lower adjusting disk and an upper adjusting disk, and can bend cables and wires of different sizes without manual replacement of the bending die. At the same time, a positioning structure is provided for the bending die structure, which can fix the adjusting disk and strengthen the structure to prevent the pressure generated when the cable is pressed on the polygonal bending die from acting on the adjusting shaft to cause it to bend.

[0017] 3. The bending of cables and wires in the present invention is accomplished by applying pressure through a pressure rod, which drives the rotating rod to rotate through the central axis so that the pressure rod rotates along the arc groove, and can generate pressure from the side to act on the cable, so that the cable is bent under the guidance of the arc-shaped protrusion of the polygonal bending mold. In addition, the cable bending by the pressure rod of the present invention is not completed in one go, but is performed intermittently in batches, and the cable can be bent to 30°, 60° and 90° in turn. The cables and wires have a certain amount of time to adapt to the bending angle, balance the extrusion force inside them, and prevent the cable from being damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is the first schematic diagram of the overall structure of the present invention.

[0019] Figure 2 This is a second schematic diagram of the overall structure of the present invention.

[0020] Figure 3 It is a schematic diagram of the guide seat structure of the present invention.

[0021] Figure 4 It is a schematic diagram of the bending seat structure of the present invention.

[0022] Figure 5It is a bottom schematic diagram of the curved seat structure of the present invention.

[0023] Figure 6 It is an exploded schematic diagram of the bending mold structure of the present invention.

[0024] Figure 7 It is a first electrical schematic diagram of the push rod structure of the present invention.

[0025] Figure 8 This is a second schematic diagram of the push rod structure of the present invention.

[0026] Fig. 9 Schematic diagram of the multi-rack structure of the present invention.

[0027] Fig.10 It is a schematic diagram of the multi-bottom plate structure of the present invention.

[0028] In the figure: guide seat 1, bending seat 2, fixed foot 3, limit seat 4, adjusting screw 5, clamping head 6, base plate 7, spring 8, guide tube 9, center seat 10, installation cavity 11, first push rod 12, motor seat 13, adjusting shaft 14, lower adjusting plate 15, upper adjusting plate 16, polygonal bending die 17, second push rod 18, lifting plate 19, positioning rod 20, positioning hole 21, center axis 22, rotating rod 23, pressure rod 24, arc groove 25, limit plate 26, guide seat 27, slide seat 28, driving screw 29, back plate 30, first base plate 31, second base plate 32, third base plate 33, first rack 34, second rack 35, third rack 36, cylinder 37, gear 38. DETAILED DESCRIPTION

[0029] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment. It should be noted that the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0030] See also Figures 1 to 10The present invention provides a technical solution: a cable bending machine, comprising a guide seat 1 and a bending seat 2, the guide seat 1 and the bending seat 2 are fixedly connected by bolts, and the bottom plate of the guide seat 1 is provided with a fixed foot 3, the guide seat 1 is provided with an adjustable fixed wire clamp structure and a spring clamp structure, and the bending seat 2 is fixedly installed with a center seat 10, the center seat 10 is provided with a mounting cavity 11, the mounting cavity 11 is provided with a lifting motor seat 13, and the motor seat 13 is connected with an adjusting shaft 14, the adjusting shaft 14 is provided with a lower adjusting disk 15 and an upper adjusting disk 16, and the lower adjusting disk 15 and the upper adjusting disk 16 are both A polygonal bending die 17 is provided, and the polygonal bending die 17 has arc-shaped protrusions with different curvatures. A lifting type positioning structure is provided on the center seat 10 for the lower adjustment disk 15 and the upper adjustment disk 16. A central axis 22 is rotatably installed at the bottom of the center seat 10, and a rotating rod 23 is provided on the central axis 22. A pressure rod 24 is provided on the rotating rod 23, and the pressure rod 24 is slidably connected in the arc groove 25 between the bending seat 2 and the center seat 10. A lifting type back plate 30 is provided at the bottom of the bending seat 2, and a driving structure with a driving angle increasing successively is provided on the back plate 30, and the central axis 22 is driven by the driving structure.

[0031] Two pairs of fixed wire clamp structures are arranged on the guide seat 1, and the two pairs of fixed wire clamp structures are respectively arranged on the side of the guide seat 1 close to the bending seat 2 and the side away from the bending seat 2. The fixed wire clamp structure includes a limit seat 4 arranged on the guide seat 1, and the limit seat 4 is threadedly connected with an adjusting screw 5, and a clamping head 6 is arranged at the end of the adjusting screw 5.

[0032] The bending device of the present invention consists of a bending seat 2 and a guide seat 1. The guide seat 1 is used to guide and fix the cables and wires in a straight line. A fixed wire clamp structure and a spring clamp structure are arranged on the guide seat 1. The fixed wire clamp structure mainly fixes the cables to ensure that the front end of the cables can be bent smoothly under force. The fixed wire clamp structure uses a limit seat 4 as the main body, and can adjust the position of a clamping head 6 by rotating the adjusting screw 5 thereon, and uses the clamping head 6 to generate pressure from both sides to fix the cables and wires.

[0033] The spring clamp structure is arranged between two pairs of fixed wire clamp structures, and the spring clamp structure includes a bottom plate 7 fixedly mounted on the top surface of the guide seat 1, and a guide tube 9 is connected to the bottom plate 7 through a spring 8, and the guide tube 9 is slidably mounted on the guide seat 1.

[0034] The spring clamp structure mainly assists the fixed wire clamp structure. When fixing the cable, first place the cable in the middle of the spring clamp structure, and use the elastic force generated by the spring 8 to clamp multiple guide tubes 9 on the cable, which has a preliminary fixing effect but can also be adjusted, making it convenient to use the fixed wire clamp structure for final fixation.

[0035] The bending seat 2 is a ring-shaped structure, and the center seat 10 is a cylindrical structure located in the middle of the bending seat 2. A first push rod 12 is arranged in the installation cavity 11, and the motor seat 13 is installed on the first push rod 12. The positioning structure includes a second push rod 18 arranged in the installation cavity 11, and a lifting plate 19 is connected to the second push rod 18. Three positioning rods 20 are arranged on the lifting plate 19, and three positioning holes 21 are concentrically arranged on the lower adjustment plate 15 and the upper adjustment plate 16.

[0036] The bending of the cable and wires is carried out in the bending seat 2, a center seat 10 is arranged in the middle of the bending seat 2, a bending die structure with adjustable curvature is arranged on the center seat 10, and the action position of the bending die structure is always kept in a straight line with the center line of the guide seat 1 to ensure that it is just in contact with the side of the cable.

[0037] The adjusting shaft 14 is vertically arranged and driven by the motor in the motor seat 13 . The lower adjusting disk 15 and the upper adjusting disk 16 are installed on the adjusting shaft 14 from bottom to top, and the polygonal bending molds 17 on the lower adjusting disk 15 and the upper adjusting disk 16 are staggered.

[0038] The bending die structure is composed of an adjusting disk and a polygonal bending die 17. The polygonal bending die 17 is provided with arc-shaped protrusions with different curvatures at the same distance from the center of the adjusting disk. The polygonal bending die 17 is driven to rotate by the adjusting disk, and the cables can be bent and guided by the arc-shaped protrusions with different curvatures to adapt to cables and wires of different thicknesses. The adjusting disk is further divided into a lower adjusting disk 15 and an upper adjusting disk 16. The adjusting shaft 14 can be driven up and down by the first push rod 12, and the polygonal bending die 17 on the lower adjusting disk 15 or the upper adjusting disk 16 is used. Therefore, the present invention can perform bending work on cables and wires of different sizes, and there is no need to manually replace the bending die.

[0039] At the same time, a positioning structure is provided for the bending mold structure. When it is necessary to adjust the curvature of the bending mold structure by rotating the adjusting shaft 14, the second push rod 18 is first used to drive the lifting plate 19 to descend, and the fixation of the lower adjustment plate 15 and the upper adjustment plate 16 is cancelled. After the adjustment is completed, the lifting plate 19 is pushed up by the second push rod 18, and the positioning rod 20 is inserted into the positioning hole 21 to fix the two adjustment plates. The positioning rod 20 can strengthen the structure of the adjustment plate 16 to prevent the pressure generated when the cable is pressed on the multilateral bending mold 17 from acting on the adjusting shaft 14 to cause it to bend.

[0040] The central axis 22 is installed through a bearing, and the rotating rod 23 is horizontally arranged, the pressure rod 24 is vertically connected to the upper surface of the rotating rod 23, and a limit plate 26 is fixedly installed on the outer wall of the pressure rod 24, and a ball is installed on the limit plate 26 through a spherical pair, and the ball is rollingly connected to the bending seat 2 and the top surface of the central seat 10.

[0041] After the cables and wires are fixed and the bending mold structure is adjusted, the cables and wires are bent by applying pressure through the pressure rod 24. The rotating rod 23 is driven to rotate by the central axis 22, so that the pressure rod 24 rotates along the arc groove 25. Pressure can be generated from the side to act on the cable, so that the cable is bent under the guidance of the arc protrusion of the polygonal bending mold 17.

[0042] A guide seat 27 is fixedly installed at the bottom of the bending seat 2, and a slide seat 28 is slidably installed on the guide seat 27. The slide seat 28 is driven up and down by a driving screw 29, and a back plate 30 is fixedly installed on the slide seat 28. A sliding groove is set through the guide seat 27, and the slide seat 28 is connected in the sliding groove. The driving screw 29 and the back plate 30 are respectively located on both sides of the guide seat 27.

[0043] The cable bending by the pressure rod 24 of the present invention is not completed in one go, but is performed intermittently in batches, and the cable can be bent to 30°, 60° and 90° in sequence. The cable wire has a certain amount of time to adapt to the bending angle, balance the extrusion force inside it, and prevent the cable from being damaged.

[0044] A first bottom plate 31, a second bottom plate 32 and a third bottom plate 33 are sequentially arranged on the back plate 30 from top to bottom, and a first rack 34, a second rack 35 and a third rack 36 are respectively installed on the first bottom plate 31, the second bottom plate 32 and the third bottom plate 33 for limited sliding. The first rack 34, the second rack 35 and the third rack 36 are all connected to a cylinder 37, and a gear 38 is arranged on the central shaft 22.

[0045] The rotation of the pressure rod 24 is controlled by the central axis 22, and the central axis 22 is driven by a driving structure with a driving angle that increases successively. The driving structure takes the back plate 30 as the center, and the first rack 34, the second rack 35, and the third rack 36 with increasing lengths are installed on the back plate 30 through the first bottom plate 31, the second bottom plate 32, and the third bottom plate 33. The first rack 34, the second rack 35, and the third rack 36 can be used to mesh with the gear 38 in sequence to drive the gear 38 to rotate different angles, thereby rotating the pressure rod 24 to different positions, and completing the cable and wire bending work in three times.

[0046] The lengths of the first base plate 31, the second base plate 32 and the third base plate 33 increase sequentially, and the lengths of the first rack 34, the second rack 35 and the third rack 36 increase sequentially. Three cylinders 37 are provided, which are respectively connected to the first base plate 31, the second base plate 32 and the third base plate 33, and the gear 38 is located on the sides of the first rack 34, the second rack 35 and the third rack 36.

[0047] The first rack 34, the second rack 35, and the third rack 36 are meshed with the gear 38 in sequence through the lifting and lowering movement of the back plate 30. The driving screw 29 is used to drive the slide 28 to rise on the guide seat 27, driving the back plate 30 to rise, so that the first bottom plate 31, the second bottom plate 32, and the third bottom plate 33 are moved in sequence to the height horizontal with the gear 38, completing the batch driving of the pressure rod 24.

[0048] When the present invention is in use: first, the bending device of the present invention is composed of a bending seat 2 and a guide seat 1. The guide seat 1 is used to guide and fix the cable and wire in a straight line. A fixed wire clamp structure and a spring clamp structure are arranged on the guide seat 1, wherein the fixed wire clamp structure mainly fixes the cable to ensure that the front end of the cable can be bent smoothly under force. The fixed wire clamp structure uses the limit seat 4 as the main body, and can adjust the position of the clamping head 6 by rotating the adjusting screw 5 thereon, and the clamping head 6 is used to generate pressure from both sides to fix the cable and wire. The spring clamp structure mainly plays an auxiliary role in the fixed wire clamp structure. When fixing the cable, first place the cable in the middle of the spring clamp structure, and use the elastic force generated by the spring 8 to clamp multiple cables. A guide tube 9 is clamped on the cable, which plays a preliminary fixing but also adjustable effect, so that it is convenient to use the fixed wire clamp structure for final fixing. The bending of the cable and wire is carried out in the bending seat 2. A center seat 10 is arranged in the middle of the bending seat 2. A bending die structure with adjustable curvature is arranged on the center seat 10, and the action position of the bending die structure is always kept in a straight line with the center line of the guide seat 1 to ensure that it is just in contact with the side of the cable. The bending die structure is composed of an adjusting disk and a polygonal bending die 17. The polygonal bending die 17 is provided with arc-shaped protrusions with different curvatures that are consistent with the center distance of the adjusting disk. The polygonal bending die 17 is driven to rotate by the adjusting disk, and the cable can be bent and guided by the arc-shaped protrusions with different curvatures to adapt to cables and wires of different thicknesses, and the adjusting disk is also divided into The outer lower adjustment disk 15 and the upper adjustment disk 16 can drive the adjustment shaft 14 to move up and down through the first push rod 12, and use the polygonal bending mold 17 on the lower adjustment disk 15 or the upper adjustment disk 16. Therefore, the present invention can bend cables and wires of different sizes, and there is no need to manually replace the bending mold. At the same time, a positioning structure is provided for the bending mold structure. When the curvature of the bending mold structure needs to be adjusted by rotating the adjustment shaft 14, the second push rod 18 is first used to drive the lifting disk 19 to descend, and the fixation of the lower adjustment disk 15 and the upper adjustment disk 16 is cancelled. After the adjustment is completed, the lifting disk 19 is pushed up by the second push rod 18, and the positioning rod 20 is inserted into the positioning hole 21 to fix the two adjustment disks. The positioning rod 20 can adjust the adjustment disk 1 6 is used for structural reinforcement to prevent the pressure generated when the cable is pressed on the polygonal bending die 17 from acting on the adjusting shaft 14 to cause it to bend. After the cable and wire are fixed and the bending die structure is adjusted, the bending of the cable and wire is completed by applying pressure through the pressure rod 24. The central axis 22 drives the rotating rod 23 to rotate, so that the pressure rod 24 rotates along the arc groove 25, and pressure can be generated from the side to act on the cable, so that the cable is bent under the guidance of the arc-shaped protrusion of the polygonal bending die 17. The pressure rod 24 of the present invention is not completed in one time, but is intermittently performed in batches, and the cable can be bent to 30°, 60° and 90° in turn. The cable and wire have a certain amount of time to adapt to the bending angle, balance the extrusion force inside it, and prevent the cable from being damaged.The rotation of the pressure rod 24 is controlled by the central axis 22, and the central axis 22 is driven by a driving structure with increasing driving angles. The driving structure takes the back plate 30 as the center. The first rack 34, the second rack 35, and the third rack 36 with increasing lengths are installed on the back plate 30 through the first bottom plate 31, the second bottom plate 32, and the third bottom plate 33. The first rack 34, the second rack 35, and the third rack 36 can be used to mesh with the gear 38 in sequence to drive the gear 38 to rotate different angles, thereby rotating the pressure rod 24 to different positions, and completing the bending of the cable and wire in three times. The first rack 34, the second rack 35, and the third rack 36 are meshed with the gear 38 in sequence through the lifting and lowering movement of the back plate 30. The driving screw 29 is used to drive the slide 28 to rise on the guide seat 27, and the back plate 30 is driven to rise, so that the first bottom plate 31, the second bottom plate 32, and the third bottom plate 33 are moved to a height horizontal to the gear 38 in sequence, completing the batch driving of the pressure rod 24. ,

[0049] The above-mentioned embodiments are only preferred embodiments of the present invention, and cannot be used to limit the scope of protection of the present invention. Various changes made by ordinary technicians in this field based on the above-mentioned concepts without creative work all fall within the scope of protection of the present invention.

Claims

1. A cable bending machine, comprising a guide seat (1) and a bending seat (2), characterized in that: The guide seat (1) and the bending seat (2) are fixedly connected by bolts, and the bottom plate of the guide seat (1) is provided with a fixed foot (3), the guide seat (1) is provided with an adjustable fixed wire clamp structure and a spring clamp structure, and the bending seat (2) is fixedly installed with a center seat (10), the center seat (10) is provided with a mounting cavity (11), the mounting cavity (11) is provided with a lifting motor seat (13), and the motor seat (13) is connected with an adjustment shaft (14), the adjustment shaft (14) is provided with a lower adjustment disk (15) and an upper adjustment disk (16), and the lower adjustment disk (15) and the upper adjustment disk (16) are both provided with a polygonal bending mold (17), and the polygonal bending mold (17) has arc-shaped protrusions with different curvatures, the center seat (10) is provided with a lifting type positioning structure for the lower adjustment disk (15) and the upper adjustment disk (16), the bottom of the center seat (10) is rotatably mounted with a center shaft (22), and a rotating rod (23) is provided on the center shaft (22), and a pressure rod (24) is provided on the rotating rod (23), and the pressure rod (24) is slidably connected in the arc groove (25) between the bending seat (2) and the center seat (10), the bottom of the bending seat (2) is provided with a lifting type back plate (30), and a driving structure with a driving angle increasing in sequence is provided on the back plate (30), and the center shaft (22) is driven by the driving structure; The bending seat (2) is an annular structure, and the center seat (10) is a cylindrical structure located in the middle of the bending seat (2); a first push rod (12) is arranged in the installation cavity (11), and the motor seat (13) is installed on the first push rod (12); the positioning structure includes a second push rod (18) arranged in the installation cavity (11), and the second push rod (18) is connected to a lifting plate (19), three positioning rods (20) are arranged on the lifting plate (19), and three positioning holes (21) are concentrically arranged on the lower adjustment plate (15) and the upper adjustment plate (16); The adjusting shaft (14) is arranged vertically, and the adjusting shaft (14) is driven by a motor in a motor seat (13); the lower adjusting disk (15) and the upper adjusting disk (16) are installed on the adjusting shaft (14) from bottom to top, and the polygonal bending molds (17) on the lower adjusting disk (15) and the upper adjusting disk (16) are arranged in a staggered manner; A guide seat (27) is fixedly mounted on the bottom of the bending seat (2), and a slide seat (28) is slidably mounted on the guide seat (27), the slide seat (28) is driven to rise and fall by a driving screw rod (29), and a back plate (30) is fixedly mounted on the slide seat (28), a sliding groove is provided on the guide seat (27) and the slide seat (28) is connected to the sliding groove, and the driving screw rod (29) and the back plate (30) are respectively located on both sides of the guide seat (27); The back plate (30) is provided with a first bottom plate (31), a second bottom plate (32), and a third bottom plate (33) in order from top to bottom; a first rack (34), a second rack (35), and a third rack (36) are respectively slidably mounted on the first bottom plate (31), the second bottom plate (32), and the third bottom plate (33); the first rack (34), the second rack (35), and the third rack (36) are all connected to a cylinder (37); and a gear (38) is provided on the central shaft (22); The lengths of the first bottom plate (31), the second bottom plate (32), and the third bottom plate (33) increase sequentially, and the lengths of the first rack (34), the second rack (35), and the third rack (36) increase sequentially; The cylinders (37) are provided in three numbers and are respectively connected to the first base plate (31), the second base plate (32), and the third base plate (33); the gears (38) are located on the sides of the first rack (34), the second rack (35), and the third rack (36).

2. A cable bending machine according to claim 1, characterized in that: Two pairs of fixed wire clamp structures are arranged on the guide seat (1), and the two pairs of fixed wire clamp structures are respectively arranged on a side of the guide seat (1) close to the bending seat (2) and a side away from the bending seat (2), the fixed wire clamp structure comprising a limit seat (4) arranged on the guide seat (1), an adjusting screw (5) being threadedly connected to the limit seat (4), and a clamping head (6) being arranged at the end of the adjusting screw (5).

3. A cable bending machine according to claim 2, characterized in that: The spring clamp structure is arranged between two pairs of fixed wire clamp structures, and the spring clamp structure comprises a bottom plate (7) fixedly mounted on the top surface of the guide seat (1), and a guide tube (9) is connected to the bottom plate (7) via a spring (8), and the guide tube (9) is slidably mounted on the guide seat (1).

4. A cable bending machine according to claim 1, characterized in that: The central axis (22) is installed via a bearing, and the rotating rod (23) is arranged horizontally, the pressure rod (24) is vertically connected to the upper surface of the rotating rod (23), and a limit plate (26) is fixedly installed on the outer wall of the pressure rod (24), and a ball is installed on the limit plate (26) via a spherical pair, and the ball is rollingly connected to the top surface of the curved seat (2) and the central seat (10).

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