Anti-falling device of tubular stranding machine for cable production

Abstract

The invention relates to the technical field of tubular stranding machines, and provides an anti-falling device of a tubular stranding machine for cable production, which comprises a mounting rack in which a traction mechanism is arranged, and is characterized by further comprising a supporting and tensioning mechanism and a tension compensation mechanism, the supporting and tensioning mechanism is arranged at the bottom of the mounting rack, and the tension compensation mechanism is arranged at the bottom of the mounting rack. The supporting and tensioning mechanism comprises a mounting bracket, the mounting bracket is movably arranged in the mounting rack, a tensioning rotary drum is rotationally arranged on the inner side of the mounting bracket, a plurality of tensioning ring grooves are formed in the tensioning rotary drum, the tensioning rotary drum is used for supporting and clamping the metal conductor which stops moving, a tension compensation mechanism is arranged on the mounting rack, and the tensioning ring grooves are formed in the tensioning rotary drum. The tension compensation mechanism is used for ensuring that the metal conductor keeps sufficient tension on the traction mechanism. According to the technical scheme, the technical problem that a metal conductor wound on a traction mechanism is easy to loosen and fall off when a containing shaft or a finished product shaft is replaced by a tubular stranding machine in the prior art is solved.

Description

Technical Field

[0001] The embodiments of the present invention relate to the technical field of tubular stranding machines, and in particular, to an anti-falling device for a tubular stranding machine for cable production. Background Art

[0002] The tubular stranding machine is a commonly used mechanical equipment in the cable production process. The tubular stranding machine is usually composed of a stranding machine head, a stranding drum, a module, a traction mechanism and a wire taking-up and arranging mechanism. Multiple holding shafts for single-filament metal conductors are installed in the stranding machine head. Then, after the multiple single-filament metal conductors are passed through the stranding drum, the module and the traction mechanism, one end of the single-filament metal conductor is connected to the finished product shaft installed on the wire taking-up and arranging mechanism. The twisting force generated during the rotation of the stranding machine head drives the multiple single-filament metal conductors to be twisted into a single conductor between the stranding machine head and the stranding drum. The twisted metal conductor is then driven to move by the traction mechanism. Finally, the metal conductor is rolled onto the finished product shaft by the wire taking-up and arranging mechanism to complete the stranding operation of the cable metal conductor.

[0003] During the operation of the tubular stranding machine, when the single-filament metal conductors on multiple holding shafts are replaced after use, or when enough metal conductors are wound on the finished shaft, the finished shaft needs to be replaced. Regardless of whether the holding shaft or the finished shaft is replaced, there will always be a problem of looseness on both sides of the metal conductor wound on the traction mechanism, which makes it difficult to keep the metal conductor on the traction mechanism tight enough, and even causes the metal conductor to fall off the traction mechanism. After this situation occurs, the operator needs to hang the metal conductor on the traction mechanism again, which affects the production efficiency of the cable. When replacing the holding shaft or replacing a new single-filament metal conductor, the traction mechanism needs to be used to perform a traction test run on the single-filament metal conductor. Because the metal conductor on the traction mechanism is loose or even falls off, it is difficult for the traction mechanism to maintain a good traction effect. When replacing the finished shaft, one end of the metal conductor needs to be moved back to the new finished shaft. At this time, the staff often needs to manually stretch the metal conductor to maintain sufficient tension between the metal conductor and the traction mechanism. Summary of the invention

[0004] In order to overcome the above-mentioned defects, an embodiment of the present invention provides an anti-falling device for a tubular stranding machine for cable production, which solves the technical problem in the prior art that the metal conductor wound on the traction mechanism of the tubular stranding machine is prone to loosening and falling off when the containing shaft or the finished product shaft is replaced.

[0005] At least one embodiment of the present invention provides an anti-falling device for a tubular stranding machine for cable production, comprising a mounting frame, a traction mechanism being arranged in the mounting frame, and further comprising: A support and tensioning mechanism, the support and tensioning mechanism is arranged at the bottom of the mounting frame, the support and tensioning mechanism comprises a mounting bracket, the mounting bracket is movably arranged in the mounting frame, the tensioning drum is rotatably arranged inside the mounting bracket, a plurality of tensioning ring grooves are opened on the tensioning drum, and the tensioning drum is used to support and clamp the metal conductor that has stopped moving; A tension compensation mechanism, the mounting frame is provided with the tension compensation mechanism, the tension compensation mechanism is used to ensure that the metal conductor maintains sufficient tension on the traction mechanism; A lifting frame is fixedly connected to the installation frame, and a conductor pulling component is longitudinally movable in the lifting frame.

[0006] In order to complete the traction operation of the metal conductor during the operation of the tubular stranding machine, further, the traction mechanism includes a rotating bracket and a traction drum, the number of the rotating bracket is set to two, the two rotating brackets are fixedly connected in the mounting frame, the traction drum is rotatably connected in the rotating bracket, and a plurality of annular traction grooves are provided on the traction drum, wherein a driving structure is arranged between the two traction drums and the mounting frame.

[0007] In order to clamp the metal conductor wound on the traction mechanism when the traction mechanism stops working, the support and tensioning mechanism further includes a flipping and lifting assembly and an elastic reset assembly. The flipping and lifting assembly is arranged between the mounting bracket and the inner bottom wall of the mounting frame, and the elastic reset assembly is arranged between the tensioning drum and the mounting bracket, wherein the tensioning ring groove is located between the corresponding two annular traction grooves.

[0008] In order to adjust the height of the tensioning drum, further, the flipping and lifting assembly includes a bottom slot frame, a support rod and a driving electric cylinder. The bottom slot frame is fixedly connected to the inner bottom wall of the mounting frame, and rotating seats are arranged on both sides of the bottom slot frame. The support rod is rotatably set on one of the rotating seats, the mounting bracket is fixedly connected to the bottom of the support rod, and the driving electric cylinder is rotatably set on the other rotating seat, and the output end of the driving electric cylinder is rotatably connected to one side of the support rod through a rotating shaft.

[0009] In order to loosen the tension of the tensioning drum on the metal conductor, the elastic reset assembly further includes a mounting sleeve and a rotating shaft. The mounting sleeves are fixedly connected to both sides of the interior of the mounting bracket. The rotating shaft passes through and is rotatably connected between the two mounting sleeves. A clockwork spring is arranged between the mounting sleeve and the rotating shaft, and the inner wall of the tensioning drum is fixedly connected to the rotating shaft.

[0010] In order to apply tension to the metal conductor when it becomes loose, the tension compensation mechanism further includes a mounting frame, a tension drum and a traction sleeve, a lateral adjustment component is arranged between the mounting frame and the mounting frame, rotating sleeves are fixedly connected to both sides of the interior of the mounting frame, the tension drum is rotatably connected in the rotating sleeve via a rotating shaft, a clockwork spring is arranged between the rotating shaft and the rotating sleeve, a plurality of traction sleeves are fixedly connected in the tension drum, and the plurality of traction sleeves are used to adapt to metal conductors of different sizes.

[0011] In order to adjust the position of the tension drum laterally, further, the lateral adjustment assembly includes a sliding bracket, an indicator plate and an indicator strip, the sliding bracket is fixedly connected in the mounting frame, the top of the sliding bracket is slidably connected to a sliding seat, the top of the sliding bracket is rotatably connected to a transmission screw, the transmission screw is threadedly connected to the middle part of the sliding seat, the mounting frame is fixedly connected to the sliding bracket through a plurality of indicator plates, the indicator plates correspond one-to-one to the traction sleeves, and the top of the sliding bracket is fixedly connected to the indicator strip.

[0012] In order to reserve some metal conductors in the lifting frame, the conductor pulling assembly further includes a lifting slide and an elastic sleeve. The lifting slide is slidably connected in the lifting frame. A rotating wheel is rotatably connected to the lifting slide. The rotating wheel is in contact with the lifting frame. The middle part of the elastic sleeve is fixedly connected to the lifting slide through a forming seat. Spring dampers are arranged between both sides of the elastic sleeve and the lifting slide.

[0013] In order to drive the lifting slide to move longitudinally, it further includes a lifting component, which includes a rotating trough frame and a traction rope. The rotating trough frame is fixedly connected to the top of the lifting frame, and a winding cylinder is rotatably connected to the rotating trough frame. A driving motor is arranged on one side of the rotating trough frame, and the output end of the driving motor is fixedly connected to the winding cylinder. The traction rope is wound around the winding cylinder, and one side of the traction rope is fixedly connected to the lifting slide.

[0014] In order to pull the metal conductor, it further includes a traction frame and a fixing clamp. The traction frames are fixedly connected to both sides of the lifting frame. Two traction wheels are rotatably connected in the traction frame. The fixing clamp is arranged on the traction frame away from the traction drum.

[0015] The beneficial effects of the present invention are: 1. In the present invention, when it is necessary to replace the holding shaft on the tubular stranding machine, in order to ensure that the metal conductor on the traction mechanism remains tensioned and to prevent the metal conductor from becoming loose on the traction mechanism, the traction mechanism drives the metal conductor to move slowly, and a flip lifting assembly is used to drive the mounting bracket to flip and move upward, and then the tensioning drum is raised, so that the corresponding area of ​​the metal conductor enters the tensioning slide groove on the tensioning drum. After the metal conductor contacts the tensioning ring groove, the tensioning drum is driven to move. During the movement of the tensioning drum, the elastic reset assembly is kept tightened, and then the tensioning ring groove is clamped with the metal conductor to keep the metal conductor tensioned in the traction mechanism. After the replacement of multiple holding shafts is completed, the traction mechanism drives the metal conductor to move in the opposite direction. At this time, the tension compensation mechanism can ensure that the metal conductor moves in the opposite direction on the traction mechanism, and can also ensure that the metal conductor remains tensioned on the traction mechanism, thereby achieving the stability of the metal conductor on the traction mechanism during the replacement of the holding shaft of the tubular stranding machine and avoiding the problem of the metal conductor falling off.

[0016] 2. In the present invention, when it is necessary to replace the containing shaft on the wire taking-up and discharging mechanism, one end of the metal conductor is fixed in a fixing fixture. After one end of the metal conductor is fixed, a lifting assembly is used to drive the conductor pulling assembly to rise, so that the metal conductor moves upward in the lifting frame. At this time, the stranding function of the tubular stranding machine continues to be used, so that the traction mechanism moves the processed metal conductor into the lifting frame, and a metal conductor with a sufficient distance between the traction mechanism and the wire taking-up and discharging mechanism is reserved in the lifting frame, so that the subsequent metal conductor can be directly connected to the finished product shaft, thereby avoiding the problem of the metal conductor falling off on the traction mechanism during the movement of the metal conductor toward the finished product shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in describing the embodiments of the present invention. Obviously, the drawings described below are only some exemplary embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained based on the contents of the exemplary embodiments of the present invention and these drawings without creative work.

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the structure of a partial cross-section of the present invention; Figure 3 It is a structural schematic diagram of the traction mechanism in the present invention; Figure 4 It is a structural schematic diagram of the support and tensioning mechanism in the present invention; Figure 5 It is a schematic diagram of a partial cross-section of the structure of the mounting bracket, the tensioning drum, the mounting sleeve and the rotating shaft in the present invention; Figure 6 It is a schematic diagram of the structure of the tensioning drum and the tensioning ring groove in the present invention; Figure 7 It is a structural schematic diagram of the tension compensation mechanism in the present invention; Figure 8 It is a schematic diagram of a partial cross-section of the structure of the lifting bracket, the conductor pulling assembly and the lifting assembly in the present invention; Fig. 9 It is a structural schematic diagram of the conductor pulling assembly in the present invention; Fig.10 It is a partial cross-sectional structural diagram of the cooperation of the lifting slide seat, the elastic sleeve, the shaping seat and the spring damper in the present invention; Fig.11 It is a schematic diagram of the structure of the mounting frame, the stranding machine head, the stranding drum, the module and the wire taking-up and arranging mechanism in the present invention.

[0019] In the figure: 100, traction mechanism; 200, support tensioning mechanism; 300, tension compensation mechanism; 400, conductor pulling assembly; 500, lifting assembly; 1. Mounting frame; 2. Lifting frame; 3. Rotating bracket; 4. Traction drum; 5. Mounting bracket; 6. Tension drum; 7. Tension ring groove; 8. Bottom groove frame; 9. Rotating seat; 10. Support rod; 11. Driving electric cylinder; 12. Rotating shaft; 13. Mounting sleeve; 14. Rotating shaft; 15. Spring 1; 16. Mounting frame; 17. Tension drum; 18. Rotating sleeve; 19. Spring 2; 20. Traction sleeve; 21. Sliding bracket; 22. Sliding seat; 23. Transmission screw; 2 4. Indicator plate; 25. Indicator bar; 26. Lifting slide; 27. Rotating wheel; 28. Elastic sleeve; 29. ​​Forming seat; 30. Spring damper; 31. Rotating trough frame; 32. Winding cylinder; 33. Driving motor; 34. Traction rope; 35. Traction frame; 36. Traction wheel; 37. Fixing fixture; 38. Motor driving device; 39. Driving shaft; 40. Transmission gear; 41. Transmission toothed belt; 42. Gear box; 43. Wire stranding machine head; 44. Wire stranding drum; 45. Module; 46. Wire winding and arranging mechanism. DETAILED DESCRIPTION

[0020] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention.

[0021] In order to simplify the drawings, only the parts related to the disclosure are schematically shown in each figure, and they do not represent the actual structure of the product. In addition, in order to simplify the drawings and facilitate understanding, in some figures, only one of the parts with the same structure or function is schematically shown, or only one of them is marked. In this article, "one" not only means "only one", but also means "more than one", and "several" includes "two" and "more than two".

[0022] In this document, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0024] In the description of this embodiment, terms such as "up", "down", "left", and "right" and other orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings and are only for the convenience of description and simplification of operation, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0025] In addition, in the description of the present application, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0026] Examples, such as Figures 1 to 11As shown, the present invention discloses an anti-falling device for a tubular stranding machine for cable production, including a mounting frame 1, in which a traction mechanism 100 is arranged, and the tubular stranding machine also includes a stranding machine head 43, a stranding drum 44, a module 45 and a wire collection and arrangement mechanism 46, wherein the mounting frame 1 is located between the module 45 and the wire collection and arrangement mechanism 46, and the stranding machine head 43, the stranding drum 44, the module 45 and the wire collection and arrangement mechanism 46 are all commonly used components on the tubular stranding machine, and are prior art equipment well known to those skilled in the art.

[0027] The traction mechanism 100 includes a rotating bracket 3 and a traction drum 4. The number of the rotating brackets 3 is set to two. The two rotating brackets 3 are both fixedly connected to the mounting frame 1. The traction drum 4 is rotatably connected to the rotating bracket 3. The traction drum 4 is provided with a plurality of annular traction grooves. A driving structure is provided between the two traction drums 4 and the mounting frame 1. The driving structure includes a motor driving device 38. A driving shaft 39 is fixedly connected to the traction drum 4. The driving shaft 39 penetrates and is rotatably connected between the mounting frame 1 and the rotating bracket 3. A transmission gear 40 is provided on the driving shaft 39. A transmission is provided between the two transmission gears 40. The motor drive device 38 is provided on the mounting frame 1, and a gear box 42 is provided between the output end of the motor drive device 38 and one of the drive shafts 39. The metal conductor is wound between a plurality of annular traction grooves on the two traction drums 4. When the motor drive device 38 is started, the two drive shafts 39 are driven to rotate in the same direction through the transmission cooperation between the transmission gear 40 and the transmission toothed belt 41, so as to complete the directional conveying of the metal conductor. The motor drive device 38 has the ability to change the transmission direction through the gear box 42, so as to facilitate the subsequent completion of the purpose of moving the metal conductor out of the tensioning ring groove 7.

[0028] It also includes a support and tensioning mechanism 200, which is arranged at the bottom of the mounting frame 1. The support and tensioning mechanism 200 includes a mounting bracket 5, which is movably arranged in the mounting frame 1. A tensioning drum 6 is rotatably arranged on the inner side of the mounting bracket 5. A plurality of tensioning ring grooves 7 are provided on the tensioning drum 6. The tensioning drum 6 is used to support and clamp the stopped metal conductor. The support and tensioning mechanism 200 also includes a flipping and lifting assembly and an elastic reset assembly. A flipping and lifting assembly is arranged between the mounting bracket 5 and the inner bottom wall of the mounting frame 1. The flipping and lifting assembly includes a bottom slot frame 8, a support rod 10 and a driving electric cylinder 11. The bottom slot frame 8 is fixedly connected to the mounting frame 1. On the inner bottom wall of the frame 1, rotating seats 9 are arranged on both sides of the bottom slot frame 8, the support rod 10 is rotatably arranged on one of the rotating seats 9, the mounting bracket 5 is fixedly connected to the bottom of the support rod 10, the driving electric cylinder 11 is rotatably arranged on the other rotating seat 9, and the output end of the driving electric cylinder 11 is rotatably connected to one side of the support rod 10 through the rotating shaft 12. When the traction mechanism 100 is about to stop traction of the metal conductor, in order to ensure the stability of the metal conductor on the traction drum 4, the driving electric cylinder 11 is started to push the support rod 10 to flip along the center point of the rotating seat 9 on one side, and the support rod 10 drives the mounting bracket 5 to rise, so that the metal conductor contacts the tensioning drum 6; An elastic reset component is arranged between the tensioning drum 6 and the mounting bracket 5, and the elastic reset component includes a mounting sleeve 13 and a rotating shaft 14. The mounting sleeves 13 are fixedly connected to both sides of the interior of the mounting bracket 5, and the rotating shaft 14 penetrates and is rotatably connected between the two mounting sleeves 13. A spring 15 is arranged between the mounting sleeve 13 and the rotating shaft 14, and the inner wall of the tensioning drum 6 is fixedly connected to the rotating shaft 14. As the tensioning drum 6 rises, the traction mechanism 100 drives the metal conductor to move slowly. After the metal conductor enters the tensioning ring groove 7, it contacts the tensioning drum 6. Then, the metal conductor causes the tensioning drum 6 to rotate during the movement. During the rotation of the tensioning drum 6, the metal conductor gradually contacts the inner wall of the tensioning ring groove 7, so that the metal conductor and the tensioning ring groove 7 are kept in a clamped state after contact. During the rotation of the tensioning drum 6, the rotating shaft 14 will follow the tensioning drum 6 to rotate between the two mounting sleeves 13. At this time, the spring 15 is deformed to generate elastic torque. Among them, the tensioning ring groove 7 is located between the corresponding two annular traction grooves, and the inner diameter of the tensioning ring groove 7 is divided into a loose section and a clamping section. The metal conductor enters the tensioning ring groove 7 through the loose section, and the inside of the clamping section gradually shrinks along the moving path of the metal conductor. When the metal conductor drives the tensioning drum 6 to move, the metal conductor gradually contacts the inner side walls on both sides of the clamping section, so that the metal conductor is clamped in the tensioning ring groove 7.

[0029] The mounting frame 1 is provided with a tension compensation mechanism 300, which is used to ensure that the metal conductor maintains sufficient tension on the traction mechanism 100. The tension compensation mechanism 300 includes a mounting frame 16, a tension drum 17 and a traction sleeve 20. A lateral adjustment component is provided between the mounting frame 16 and the mounting frame 1. Rotating sleeves 18 are fixedly connected to both sides of the interior of the mounting frame 16. The tension drum 17 is rotatably connected in the rotating sleeve 18 through a rotating shaft. A clockwork spring 19 is provided between the rotating shaft and the rotating sleeve 18. A plurality of traction sleeves 20 are fixedly connected in the tension drum 17. The plurality of traction sleeves 20 are used to adapt to metal conductors of different sizes. First, when the traction mechanism 100 is used to pull the metal conductor at the beginning, according to the metal conductor The outer diameter of the metal conductor is selected to pass through the corresponding traction sleeve 20. The traction sleeve 20 can fix the metal conductor during the traction process to prevent the metal conductor from shaking. When the tension drum 17 is turned over, the rotating shaft is driven to rotate in the rotating sleeve 18, and the spring 2 19 is deformed to generate elastic torque. When the traction sleeve 20 is kept parallel to the ground, the rotation of the tension drum 17 is stopped. When the metal conductor needs to be moved out of the tension ring groove 7, the traction mechanism 100 is required to drive the metal conductor to move in the opposite direction. When the metal conductor moves, in order to avoid affecting the stranding machine head 43 and the metal conductor in the mold, the tension drum 17 is driven to turn over under the elastic torque of the spring 2 19, so that the metal conductor is kept tight on the traction drum 4. It should be further explained that when the traction mechanism 100 drives the metal conductor to move in the reverse direction, the metal conductor will drive the tensioning drum 6 to rotate, and under the elastic torsion of the spring 15, the tensioning drum 6 and the rotating shaft 14 will also rotate and reset in the mounting bracket 5, so that the metal conductor can be moved out of the tensioning ring groove 7. The lateral adjustment assembly includes a sliding bracket 21, an indicator plate 24 and an indicator bar 25. The sliding bracket 21 is fixedly connected in the mounting frame 1. The top of the sliding bracket 21 is slidably connected to a sliding seat 22. The top of the sliding bracket 21 is rotatably connected to a transmission screw 23. The transmission screw 23 is threadedly connected to the middle of the sliding seat 22. The mounting frame 16 is fixedly connected to the sliding bracket 21 through a plurality of indicator plates 24. The indicator plates 24 correspond to the traction sleeves 20 one by one. The top of the sliding bracket 21 is fixedly connected to the indicator bar 25. When it is necessary to make the corresponding traction sleeve 20 correspond to the metal conductor on the traction drum 4, the transmission screw 23 is rotated to drive the sliding seat 22 and the mounting frame 16 to move on the top of the sliding bracket 21, so that one of the indicator plates 24 corresponds to the position of the indicator bar 25, thereby determining the position of the traction sleeve 20 corresponding to the indicator plate 24; The lifting frame 2 is fixedly connected to the installation frame 1, and a conductor pulling assembly 400 is longitudinally movable in the lifting frame 2. The conductor pulling assembly 400 includes a lifting slide 26 and an elastic sleeve 28. The lifting slide 26 is slidably connected to the lifting frame 2. A rotating wheel 27 is rotatably connected to the lifting slide 26. The rotating wheel 27 contacts the lifting frame 2. The middle part of the elastic sleeve 28 is fixedly connected to the lifting slide 26 through a shaped seat 29. Spring dampers 30 are arranged between the two sides of the elastic sleeve 28 and the lifting slide 26. In order to reserve a portion of the metal conductor in the lifting frame 2 to adapt to the distance between the traction mechanism 100 and the wire collection and discharge mechanism 46, when the metal conductor is collected and discharged When the metal conductor is transported on the wire mechanism 46, the metal conductor is passed through the elastic sleeve 28, and when the lifting slide 26 is driven to move upward, one side of the metal conductor is fixed in the fixing fixture 37, and then the lifting slide 26 and the elastic sleeve 28 rise in the lifting frame 2, so that the metal conductor moves upward with the elastic sleeve 28, changing the original moving path of the metal conductor, and the two sides of the elastic sleeve 28 can extend downward, and by using the shaping seat 29, the middle part of the elastic sleeve 28 will not be deformed, and the two sides of the elastic sleeve 28 can be bent downward to adapt to the bending angle of the metal conductor, and under the action of the spring damper 30, the bending angle of the two sides of the elastic sleeve 28 is limited; The lifting assembly 500 includes a rotating trough frame 31 and a traction rope 34. The rotating trough frame 31 is fixedly connected to the top of the lifting frame 2. A winding cylinder 32 is rotatably connected to the rotating trough frame 31. A driving motor 33 is arranged on one side of the rotating trough frame 31. The output end of the driving motor 33 is fixedly connected to the winding cylinder 32. The traction rope 34 is wound around the winding cylinder 32. One side of the traction rope 34 is fixedly connected to the lifting slide 26. When it is necessary to drive the lifting slide 26 to move longitudinally, the driving motor 33 is started to drive the winding cylinder 32 to rotate in the rotating trough frame 31, so that the winding cylinder 32 reels the traction rope 34, thereby driving the lifting slide 26 to move longitudinally in the lifting frame 2.

[0030] It also includes a traction frame 35 and a fixing clamp 37. The traction frames 35 are fixedly connected to both sides of the lifting frame 2. Two traction wheels 36 are rotatably connected to the traction frames 35. A fixing clamp 37 is provided on the traction frame 35 on the side away from the traction drum 4. In order to limit the moving path of the metal conductor, the metal conductor moved out from the traction mechanism 100 passes through the traction frame 35, the elastic sleeve 28 and the traction frame 35 on the other side in sequence. When the lifting slide 26 moves upward from the lifting frame 2, the metal conductor is raised in an n-shape through the traction wheels 36 on both sides, and the fixing clamp 37 can fix one side of the metal conductor.

[0031] Working principle of the anti-falling device of the tubular stranding machine for cable production: First, the metal conductor removed from the module 45 passes through the corresponding traction sleeve 20, and then the metal conductor is wound and set between the two traction drums 4, and one end of the metal conductor passes through the traction frame 35, the elastic sleeve 28 and the other side traction frame 35 in sequence, and finally the metal conductor is fixed to the finished product shaft on the wire taking-up and traversing mechanism 46; When the metal conductor needs to be pulled, the two pulling drums 4 are driven to move in the same direction through the driving structure to pull the metal conductor. When the containing shaft needs to be replaced, the pulling drum 4 drives the metal conductor to move slowly, and then the driving electric cylinder 11 is started to push the support rod 10 to flip along the center point of the rotating seat 9 on one side. The support rod 10 drives the mounting bracket 5 to rise, so that the metal conductor contacts the tensioning drum 6. After entering the tensioning ring groove 7, the metal conductor contacts the tensioning drum 6. Then, the metal conductor causes the tensioning drum 6 to rotate during the movement. During the rotation of the tensioning drum 6, the metal conductor gradually contacts the inner side wall of the tensioning ring groove 7, so that the metal conductor and the tensioning ring groove 7 are in contact. After indirect contact, it maintains a clamping state. During the rotation of the tensioning drum 6, the rotating shaft 14 will follow the tensioning drum 6 to rotate between the two mounting sleeves 13. At this time, the spring 15 is deformed to generate elastic torque. Then, after the replacement of the containing shaft is completed, the traction mechanism 100 drives the metal conductor to move in the reverse direction. When the metal conductor moves, under the elastic torque of the spring 19, the tension drum 17 is driven to flip, so that the metal conductor is kept taut on the traction drum 4. When the traction mechanism 100 drives the metal conductor to move in the reverse direction, the metal conductor will drive the tensioning drum 6 to rotate, and under the elastic torque of the spring 15, the tensioning drum 6 and the rotating shaft 14 will also rotate and reset in the mounting bracket 5.

[0032] When the finished shaft needs to be replaced, the metal conductor is fixed to the fixing fixture 37 near the side of the wire taking-up and discharging mechanism 46, and then the traction mechanism 100 and the other parts of the tubular stranding machine cooperate to continue the stranding operation on the metal conductor, and then the drive motor 33 is started to drive the winding cylinder 32 to rotate in the rotating groove frame 31, so that the winding cylinder 32 reels the traction rope 34, thereby driving the lifting slide 26 to move upward in the lifting frame 2, so that the metal conductor moves longitudinally in the elastic sleeve 28, and the original moving path of the metal conductor is changed, so that a part of the metal conductor is reserved in the lifting frame 2 to adapt to the distance between the traction mechanism 100 and the wire taking-up and discharging mechanism 46.

[0033] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. An anti-falling device for a tubular stranding machine for cable production, comprising a mounting frame (1), wherein a traction mechanism (100) is arranged in the mounting frame (1), characterized in that: Also includes: A support and tensioning mechanism (200), the support and tensioning mechanism (200) being arranged at the bottom of the mounting frame (1), the support and tensioning mechanism (200) comprising a mounting bracket (5), the mounting bracket (5) being movably arranged in the mounting frame (1), a tensioning rotary drum (6) being rotatably arranged inside the mounting bracket (5), a plurality of tensioning ring grooves (7) being provided on the tensioning rotary drum (6), and the tensioning rotary drum (6) being used for supporting and clamping a metal conductor that has stopped moving; A tension compensation mechanism (300), wherein the mounting frame (1) is provided with the tension compensation mechanism (300), and the tension compensation mechanism (300) is used to ensure that the metal conductor maintains sufficient tension on the traction mechanism (100); A lifting frame (2), the lifting frame (2) being fixedly connected in the installation frame (1), and a conductor pulling assembly (400) being arranged in the lifting frame (2) for longitudinal movement.

2. The anti-falling device of a tubular stranding machine for cable production according to claim 1, characterized in that: The traction mechanism (100) comprises: A rotating bracket (3), wherein the number of the rotating brackets (3) is set to two, and the two rotating brackets (3) are both fixedly connected in the mounting frame (1); A traction drum (4), the traction drum (4) being rotatably connected inside the rotating bracket (3), and the traction drum (4) being provided with a plurality of annular traction grooves; Wherein, a driving structure is provided between the two traction drums (4) and the mounting frame (1).

3. The anti-falling device of a tubular stranding machine for cable production according to claim 2, characterized in that: The supporting and tightening mechanism (200) further comprises: A flip lifting assembly, wherein the flip lifting assembly is arranged between the mounting bracket (5) and the inner bottom wall of the mounting frame (1); An elastic reset component, wherein the elastic reset component is arranged between the tensioning drum (6) and the mounting bracket (5); Wherein, the tensioning ring groove (7) is located between the corresponding two annular traction grooves.

4. The anti-falling device of a tubular stranding machine for cable production according to claim 3, characterized in that: The flip lifting assembly comprises: A bottom trough frame (8), the bottom trough frame (8) being fixedly connected to the inner bottom wall of the mounting frame (1), and a rotating seat (9) being provided on both sides of the bottom trough frame (8); A support rod (10), the support rod (10) being rotatably mounted on one of the rotating seats (9), and the mounting bracket (5) being fixedly connected to the bottom of the support rod (10); A driving electric cylinder (11), wherein the driving electric cylinder (11) is rotatably disposed on another of the rotating seats (9), and an output end of the driving electric cylinder (11) is rotatably connected to one side of the support rod (10) via a rotating shaft (12).

5. The anti-falling device of a tubular stranding machine for cable production according to claim 4, characterized in that: The elastic reset component comprises: A mounting sleeve (13), the mounting sleeve (13) being fixedly connected to both sides of the interior of the mounting bracket (5); A rotating shaft (14), the rotating shaft (14) passing through and rotatably connected between the two mounting sleeves (13), a spring (15) is provided between the mounting sleeves (13) and the rotating shaft (14), and the inner wall of the tensioning rotating cylinder (6) is fixedly connected to the rotating shaft (14).

6. The anti-falling device of a tubular stranding machine for cable production according to claim 5, characterized in that: The tension compensation mechanism (300) comprises: A mounting frame (16), wherein a lateral adjustment component is provided between the mounting frame (16) and the mounting frame (1); A tension drum (17), wherein both sides of the interior of the mounting frame (16) are fixedly connected to rotating sleeves (18), the tension drum (17) is rotatably connected to the rotating sleeve (18) via a rotating shaft, and a second spring (19) is provided between the rotating shaft and the rotating sleeve (18); A traction sleeve (20), wherein a plurality of the traction sleeves (20) are fixedly connected inside the tension drum (17), and the plurality of the traction sleeves (20) are used to adapt to metal conductors of different sizes.

7. The anti-falling device of a tubular stranding machine for cable production according to claim 6, characterized in that: The lateral adjustment assembly comprises: A sliding bracket (21), the sliding bracket (21) is fixedly connected in the mounting frame (1), the top of the sliding bracket (21) is slidably connected to a sliding seat (22), the top of the sliding bracket (21) is rotatably connected to a transmission screw (23), and the transmission screw (23) is threadedly connected to the middle of the sliding seat (22); Indicator plates (24), the mounting frame (16) being fixedly connected to the sliding bracket (21) via a plurality of indicator plates (24), the indicator plates (24) corresponding one to one with the traction sleeves (20); An indicator bar (25), the top of the sliding bracket (21) being fixedly connected to the indicator bar (25).

8. The anti-falling device of the tubular stranding machine for cable production according to claim 7, characterized in that: The conductor pulling assembly (400) comprises: A lifting slide (26), the lifting slide (26) being slidably connected in the lifting frame (2), a rotating wheel (27) being rotatably connected to the lifting slide (26), and the rotating wheel (27) being in contact with the lifting frame (2); An elastic sleeve (28), wherein the middle portion of the elastic sleeve (28) is fixedly connected to the lifting slide (26) via a shaping seat (29), and spring dampers (30) are provided between both sides of the elastic sleeve (28) and the lifting slide (26).

9. The anti-falling device of a tubular stranding machine for cable production according to claim 8, characterized in that: It also includes a lifting assembly (500), wherein the lifting assembly (500) includes: A rotating groove frame (31), the rotating groove frame (31) is fixedly connected to the top of the lifting frame (2), a winding cylinder (32) is rotatably connected to the rotating groove frame (31), a driving motor (33) is provided on one side of the rotating groove frame (31), and an output end of the driving motor (33) is fixedly connected to the winding cylinder (32); A traction rope (34), wherein the traction rope (34) is wound around the winding cylinder (32), and one side of the traction rope (34) is fixedly connected to the lifting slide seat (26).

10. The anti-falling device of a tubular stranding machine for cable production according to claim 9, characterized in that: Also includes: A traction frame (35), wherein both sides of the lifting frame (2) are fixedly connected to the traction frame (35), and two traction wheels (36) are rotatably connected inside the traction frame (35); A fixing clamp (37) is provided on the traction frame (35) at a side away from the traction drum (4).

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