Concentric cable stranding machine

Abstract

Disclosed in the present application is a concentric cable stranding machine, comprising at least one stranding module, wherein the stranding module comprises a frame, a main shaft, at least one pair of wire storage reels, and at least one flying-wing tension control mechanism; the flying-wing tension control mechanism is fixedly mounted on the main shaft and located between a corresponding pair of wire storage reels; the wire storage reels are mounted on the main shaft by means of corresponding clutch mechanisms, and the two wire storage reels in each pair are adapted to alternately pay off wires to the flying-wing tension control mechanism; and when one of the wire storage reels is paying off a wire, the other wire storage reel is driven by the corresponding clutch mechanism to be disengaged from synchronous rotation with the main shaft, so that said wire storage reel rotates in a reverse direction and performs rewinding. The present application has the following beneficial effects: two wire storage reels are provided for alternate wire paying-off, and when one of the wire storage reels is paying off a wire, the other wire storage reel can be disengaged and driven by means of a corresponding mechanism to rotate in a reverse direction to perform rewinding. Therefore, the downtime of a stranding machine can be effectively reduced, thereby improving the production efficiency of the stranding machine.

Description

A concentric cable stranding machine TECHNICAL FIELD

[0001] The present application relates to the wire stranding device technical field, especially to a concentric cable stranding machine. BACKGROUND

[0002] The concentric stranding machine is a non-back-twisted stranding machine, which mainly installs a plurality of pairs of wire storage discs on the main shaft at intervals, and a flying wing tension controller is installed between the two wire storage discs of each pair to control the tension of the cable. Multiple wires are simultaneously rewound into the wire storage disc, and after rewinding, they also need to be simultaneously released through the flying wing.

[0003] However, the existing concentric stranding machine often needs to stop first and then re-wind the wire storage disc to continue working after completing the stranding and rewinding, although it does not need to change the disc, but still needs to stop. The time required for rewinding the stranding machine is generally relatively long, which will affect the production efficiency of the stranding machine. SUMMARY

[0004] One of the purposes of the present application is to provide a concentric cable stranding machine that can solve at least one of the defects in the background art.

[0005] To achieve the above at least one purpose, the technical solution adopted by the present application is: a concentric cable stranding machine, comprising at least one stranding module; the stranding module comprises a rack, a main shaft, at least one pair of wire storage discs, and at least one flying wing tension control mechanism; the main shaft is rotatably installed on the rack and rotates; the flying wing tension control mechanism is fixedly installed on the main shaft and located between a corresponding pair of wire storage discs; the wire storage disc is installed on the main shaft through a corresponding clutch mechanism, and is adapted to rotate synchronously with the main shaft and release the wire to the flying wing tension control mechanism, and the two wire storage discs of each pair are adapted to release the wire alternately; when one of the wire storage discs releases the wire, the other wire storage disc is driven by the clutch mechanism to rotate out of synchronization with the main shaft, so that the wire storage disc reversely rotates and rewinds.

[0006] Preferably, the clutching mechanism comprises a clutch sleeve, a traction assembly and a braking assembly; the clutch sleeve is slidingly installed on the main shaft and is in spline connection; the wire storage disc is rotatably installed on the main shaft and is in spline connection with the clutch sleeve, so that the wire storage disc is in synchronous rotation connection with the main shaft through the clutch sleeve; the traction assembly is installed on the frame and is in cooperation with the clutch sleeve, so that the clutch sleeve moves axially along the main shaft under the driving of the traction assembly, thereby making the wire storage disc disengage from or remain connected with the main shaft; the braking assembly is installed on the frame and is adapted to brake in cooperation with the wire storage disc disengaged from the main shaft.

[0007] Preferably, the traction assembly comprises a connecting sleeve, a traction frame and a first telescopic device; the clutch sleeve is elastically slidingly installed on the main shaft; the connecting sleeve is rotatably installed on the clutch sleeve; the traction frame is rotatably installed on the frame through a strip-shaped rotating groove in the middle; one end of the traction frame is hingedly connected with the connecting sleeve, and the other end of the traction frame is provided with a strip-shaped traction groove; the first telescopic device is installed on the frame, and the output end of the first telescopic device is hingedly connected with the traction groove through a traction plate, so that the traction frame rotates around the rotating groove under the driving of the first telescopic device, thereby pulling the connecting sleeve to drive the clutch sleeve to move axially along the main shaft.

[0008] Preferably, the wire storage disc is directly used for winding the wire; the braking assembly comprises a second telescopic device and a rotating device; the second telescopic device is fixedly installed on the frame, and the rotating device is installed on the output end of the second telescopic device, so that the rotating device is driven by the second telescopic device to approach and adhere to the side of the wire storage disc, thereby making the wire storage disc disengaged from the main shaft rotate reversely under the friction drive of the rotating device.

[0009] Preferably, a plurality of wire storage boxes are rotatably installed on the wire storage disc in the circumferential direction, and the wire storage boxes are adapted to release the wire to the flying wing tension control mechanism; the braking assembly is adapted to brake the wire storage disc disengaged from the main shaft; the stranding module further comprises a reversing mechanism installed on the wire storage disc; the reversing mechanism is adapted to drive the main shaft to be in transmission connection with the wire storage box after the wire storage disc is disengaged from the main shaft, so that the wire storage box rotates reversely.

[0010] Preferably, at least one side of the wire storage box is provided with a coaxial first friction wheel; the reversing mechanism comprises a rotating device, a rotating sleeve, a plurality of transmission gear trains and a plurality of second friction wheels; the rotating device is fixedly installed on the wire storage disc, the rotating sleeve is concentrically and rotatably installed on one side of the wire storage disc and is in mesh with the output end of the rotating device; each transmission gear train is installed on one side of the wire storage disc and corresponds to each wire storage box in the circumferential direction, the input end of the transmission gear train is in mesh with the clutch sleeve or the main shaft, and the output end of the transmission gear train is spaced from the first friction wheel corresponding to the wire storage box; the second friction wheel is rotatably installed on a sliding block, the sliding block is slidably installed on one side of the wire storage disc along the direction perpendicular to the first friction wheel of the output end of the transmission gear train, and the sliding block and the rotating sleeve are hinged through a hinge plate; when the wire storage disc rotates synchronously with the main shaft, the second friction wheel is away from the first friction wheel; when the wire storage disc is disengaged from the main shaft and reverses the wire winding of the wire storage box, the rotating sleeve rotates under the drive of the rotating device, thereby driving the second friction wheel to slide through the hinge plate, until the second friction wheel is frictionally matched with the output end of the transmission gear train and the first friction wheel respectively.

[0011] Preferably, at least one side of the wire storage disc is provided with an extension; the transmission gear train is adapted to pass through the extension in the radial direction to engage with the clutch sleeve or the main shaft; the brake assembly comprises a second telescopic device and a brake block, the second telescopic device is installed on the rack, and the brake block is installed on the output end of the second telescopic device, so that the brake block is driven by the second telescopic device to approach and fit the extension, thereby braking the wire storage disc disengaged from the main shaft.

[0012] Preferably, the end of the main shaft is provided with a wire guide disc, and the main shaft is provided with a plurality of through slots in the circumferential direction at the installation position of the flying wing tension control mechanism; the flying wing tension control mechanism comprises a wheel body and a plurality of tension control assemblies; the wheel body is fixedly installed on the main shaft and extends inwardly through the through slots to the inside of the main shaft through the guide portion provided inwardly to extend to the inside of the main shaft, so that the wire discharged from the wire storage disc extends to the wire guide disc through the guide portion in the inside of the main shaft; the tension control assemblies are installed at the side of the wheel body in the circumferential direction at equal intervals, and the tension control assemblies are adapted to tension the wire discharged from the wire storage disc.

[0013] Preferably, the tension control assembly comprises a support frame, a third guide wheel, a tension wheel and an elastic assembly; the support frame is fixedly installed on the wheel body, the third guide wheel is rotatably installed on the top of the support frame; the tension wheel is rotatably installed on a sliding seat, the sliding seat is slidably installed on the support frame; the wire sequentially passes through the third guide wheel and the tension wheel and extends to the guide portion; the elastic assembly cooperates with the sliding seat, and the elastic assembly is adapted to drive the tension wheel to move to maintain the tension of the wire when the tension of the wire changes.

[0014] Preferably, the elastic assembly comprises a pull rope, a sliding rod, a first elastic member and a second elastic member; the sliding rod is flushly slidably installed on the support frame along the moving direction of the tension wheel, the first elastic member is installed on the sliding rod to elastically and slidably connect the sliding rod and the support frame; one end of the second elastic member is hingedly connected with the support frame, and the other end is connected with the sliding rod through the pull rope, and the included angle between the extension direction of the second elastic member and the axial direction of the sliding rod is 90-150 degrees; the pull rope passes through the sliding seat so that the tension wheel slides under the traction of the pull rope.

[0015] Preferably, the support frame is fixedly installed with a clamping block at the same height position of the tension wheel; the tension wheel is adapted to abut against the clamping block when moving to the limit position, thereby clamping the slack wire between the tension wheel and the clamping block.

[0016] Compared with the prior art, the application has the following beneficial effects:

[0017] A pair of wire storage discs are symmetrically arranged at the front position of each flying wing tension control mechanism, so that when one of the wire storage discs is used to pay out wire, the other wire storage disc can be separated and reversely rotated by the corresponding mechanism to rewind the wire; thereby the downtime of the stranding machine can be effectively reduced to improve the production efficiency of the stranding machine. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 is a schematic diagram of the overall structure of the application.

[0019] Fig. 2 is a schematic diagram of the axial side structure of one stranding module of the application.

[0020] Fig. 3 is a schematic diagram of the side view structure of the stranding module shown in Fig. 2 of the application.

[0021] Fig. 4 is a schematic diagram of the partial structure of the stranding module shown in Fig. 2 of the application when changing wire.

[0022] Fig. 5 is a schematic diagram of the structure of the main shaft in the application.

[0023] Fig. 6 is a schematic diagram of the structure of the wire storage disc in the application.

[0024] Figure 7 is an exploded view of the clutch mechanism of the present application.

[0025] Figure 8 is a partial view of the spool and the spindle when they are connected.

[0026] Figure 9 is a partial view of the spool and the spindle when they are disconnected.

[0027] Figure 10 is a partial view of the spool and the spindle when they are about to be connected.

[0028] Figure 11 is a partial view of the spool and the spindle when they are connected and disconnected by the clutch mechanism.

[0029] Figure 12 is a view of the reversing mechanism of the present application.

[0030] Figure 13 is a partial view of the spool when it is wound by the reversing mechanism.

[0031] Figure 14 is a view of the flying wing tension control mechanism of the present application.

[0032] Figure 15 is a partial view of the flying wing reel of the present application.

[0033] Figure 16 is a view of the tension control assembly of the present application.

[0034] Figure 17 is a view of the tension control assembly when it is controlling the tension.

[0035] Figure 18 is a view of the tension control assembly when it is clamping the wire.

[0036] In the figure: the twisting module 1, the rack 100, the mounting frame 110, the support pin 1101, the guide groove 1102, the transmission mechanism 11, the first rotating device 111, the main shaft 112, the first inner hole 1120, the outer gear ring 1121, the slot 1122, the baffle 1123, the wire guide disc 113, the wire hole 1130, the wire storage disc 12, the disc body 121, the second inner hole 1210, the inner gear ring 1211, the extension 1212, the empty slot 1213, the positioning wheel 1214, the first sliding groove 1215, the wire storage box 122, the first friction wheel 1221, the first guide wheel 123, the clutch mechanism 13, the clutch cover 131, the connecting groove 1310, the outer gear 1311, the inner gear 1312, the guide rod 1313, the first spring 132, the traction assembly 133, the connecting cover 1331, the traction frame 1332, the rotating slot 1333, the traction slot 1334, the traction plate 1335, the first telescopic device 1336, the brake assembly 134, the second telescopic device 1341, the connecting frame 1342, the brake block 1343, the flying wing tension control mechanism 14, the wheel body 141, the guide part 1410, the second guide wheel 1411, the tension control assembly 142, the second sliding groove 1420, the support frame 1421, the third guide wheel 1422, the tension wheel 1423, the traction wheel 1424, the clamping block 1425, the elastic assembly 143, the pull rope 1431, the sliding rod 1432, the second spring 1433, the third spring 1434, the connecting block 1435, the hinged seat 1436, the reverse mechanism 15, the second rotating device 151, the first gear 1511, the rotating cover 152, the rack segment 1521, the hinged plate 1522, the transmission wheel train 153, the second gear 1531, the third gear 1532, the fourth gear 1533, the second friction wheel 154, the cable 200, the center line 210, the guide wire 220, the winding device 300. DETAILED DESCRIPTION

[0037] Hereinafter, the present application will be further described in conjunction with specific embodiments, and it should be noted that the following described embodiments or technical features can be combined in any manner to form new embodiments without conflict.

[0038] In the description of the present application, it should be noted that for positional words, such as the terms "center", "transverse", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate the orientation and positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and cannot be understood as indicating or implying that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific protection scope of the present application.

[0039] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and do not necessarily have to be used to describe a specific order or sequence.

[0040] The terms "comprise" and "have" and any variations thereof in the specification and claims of the present application are intended to cover not exclusive inclusion, for example, a process, method, system, product or device that includes a list of steps or units does not have to be limited to those steps or units clearly listed, but can include other steps or units that are not clearly listed or inherent to such processes, methods, products or devices.

[0041] One preferred embodiment of the present application, as shown in FIG. 1 to FIG. 3, a concentric cable stranding machine, comprising at least one stranding module 1 and a winding device 300; the stranding module 1 can strand the conductor 220 and the center line 210 to form the required cable 200. The winding device 300 is used to wind the stranded cable 200 and increase the tension required for stranding the conductor 220. The specific structure of the center line 210, the conductor 220 and the winding device 300 is well known to those skilled in the art, and will not be described in detail here. The specific number of stranding modules 1 is related to the number of layers required for stranding the cable 200; one specific example is shown in FIG. 1, the cable 200 requires three layers of stranding, the number of stranding modules 1 is three and is arranged from front to back, and the winding device 300 is spaced from the last stranding module 1. The center line 210 can pass through all the stranding modules 1, and the stranding modules 1 are sequentially stranding the first to third layers of conductors 220 on the center line 210 from front to back, thereby obtaining the required cable 200. For the convenience of understanding, the specific structure of one of the stranding modules 1 will be described below.

[0042] In this embodiment, as shown in Figures 2 to 4, the stranding module 1 comprises a rack 100, a transmission mechanism 11, at least one pair of wire storage reels 12, and at least one flying tension control mechanism 14. The transmission mechanism 11 comprises a main shaft 112 and a first rotating device 111; the main shaft 112 is rotatably mounted on the rack 100, and the first rotating device 111 is fixedly mounted on the rack 100 and is in transmission connection with the main shaft 112 through an output end, so that the main shaft 112 is rotated under the drive of the first rotating device 111. The transmission structure of the first rotating device 111 and the main shaft 112 can be various, and common ones are gear transmission, belt transmission, and chain transmission, etc. Since the overall weight of the stranding module 1 is relatively large, it is not suitable for rigid starting of the main shaft 112, and therefore the transmission structure of the main shaft 112 is preferably belt transmission. The specific structure and working principle of the first rotating device 111 are known to those skilled in the art, and a common one is a motor, and the specific power can be selected as required. The flying tension control mechanism 14 and the wire storage reel 12 are both mounted on the main shaft 112; wherein the flying tension control mechanism 14 is fixedly mounted on the main shaft 112 and located between the corresponding pair of wire storage reels 12; the wire storage reel 12 can be mounted on the main shaft 112 through the corresponding clutch mechanism 13. In the continuous stranding work of the stranding module 1, the wire storage reel 12 can be synchronously rotated with the main shaft 112 and pay out wire to the flying tension control mechanism 14, and the two wire storage reels 12 of each pair can pay out wire alternately. When one of the wire storage reels 12 is paying out wire, it indicates that the other wire storage reel 12 has completed all the wire paying out, at which time the other wire storage reel 12 can be driven by the clutch mechanism 13 to be out of synchronous rotation with the main shaft 112, so that the wire storage reel 12 can be rewound by reverse rotation. Therefore, when the wire storage reel 12 being worked also completes all the wire paying out, the conductor 220 in the wire storage reel 12 which has been rewound can be directly connected to the flying tension control mechanism 14 after the stranding machine is stopped, and then the stranding machine can be restarted for continuous work. Compared with the traditional stop-winding method, the stranding machine stop time can be greatly shortened, and the working efficiency of the stranding machine can be effectively improved.

[0043] It can be understood that the working method of the traditional stranding machine is: stranding - stopping - winding - connecting - stranding; and after the technical solution of the present application is adopted, the working method of the stranding machine is: stranding (synchronous winding) - stopping - connecting - stranding (synchronous winding). Compared with the traditional method, the winding process time can be reduced, and the stranding machine stop time can be effectively shortened to improve the production efficiency of the stranding machine.

[0044] It should be known that the specific number of the wire storage disc 12 is related to the number of the wires 220 required for the cable 200 to be stranded, if the number of the wires 220 required for the cable 200 to be stranded in a single layer is large, and the number of the wires 220 on one wire storage disc 12 cannot meet the number of the wires 220 required for the cable 200 to be stranded in a single layer, at this time, multiple wire storage discs 12 need to be arranged to maintain the number of the wires 220. Correspondingly, multiple flying wing tension control mechanisms 14 also need to be arranged; and the wire storage disc 12 in the embodiment is used in pairs, so the number of pairs of the wire storage disc 12 required can be determined according to the number of the wires 220 required for the cable 200 to be stranded in a single layer.

[0045] In the embodiment, the clutch mechanism 13 capable of realizing the above functions has various specific structures, one of which is shown in FIGS. 5 to 11. The main shaft 112 is provided with an outer ring gear 1121 at the corresponding mounting position of the wire storage disc 12. The clutch mechanism 13 includes a clutch sleeve 131, a traction assembly 133, and a brake assembly 134. The clutch sleeve 131 is slidingly installed on the main shaft 112 and is in mesh with the outer ring gear 1121 on the main shaft 112 through the inner side provided with inner teeth 1312 to form an axial spline connection, so that the clutch sleeve 131 can rotate synchronously with the main shaft 112 while also reciprocating along the axial direction of the main shaft 112. The wire storage disc 12 is rotatably installed on the main shaft 112 through the central second inner hole 1210; at the same time, the second inner hole 1210 can also be in mesh with the outer teeth 1311 provided on the outer side of the clutch sleeve 131 through the inner ring gear 1211 provided on the side wall to form an axial spline connection. The traction assembly 133 is installed on the rack 100 and cooperates with the clutch sleeve 131, and the brake assembly 134 is installed on the rack 100 to cooperate with the wire storage disc 12.

[0046] When the wire storage disc 12 is working, the clutch sleeve 131 remains in mesh with the inner ring gear 1211 of the inner hole of the wire storage disc 12, so that the wire storage disc 12 can rotate synchronously with the main shaft 112 through the clutch sleeve 131, thereby realizing the relative static state in the circumferential direction with the flying wing tension control mechanism 14 to perform wire laying. When the wire storage disc 12 completes all the wire laying and needs to be rewound, the traction assembly 133 can drive the clutch sleeve 131 to axially slide along the main shaft 112 away from the wire storage disc 12 until the outer teeth 1311 of the clutch sleeve 131 are disengaged from the inner ring gear 1211 of the side wall of the inner hole of the wire storage disc 12, at this time, the wire storage disc 12 is in a disengaged state from the main shaft 112, but the corresponding other wire storage disc 12 is in a wire laying state. Then the brake assembly 134 can brake the wire storage disc 12 disengaged from the main shaft 112, so that the wire storage disc 12 in the disengaged state can be reversely rotated to realize rewinding.

[0047] It should be known that, assuming that the storage reel 12 is in the state of forward rotation when paying off the wire, the storage reel 12 needs to be driven to reverse rotation when rewinding the wire, so that the rewound wire 220 can be smoothly paid off when the storage reel 12 is subsequently rotated in the forward direction.

[0048] Specifically, the traction assembly 133 capable of achieving the above functions has various specific structures. In order to facilitate understanding, one of the structures will be described in detail below. As shown in FIGS. 7-11, the clutch sleeve 131 is elastically and slidably installed on the main shaft 112, and one side of the clutch sleeve 131 is provided with a connecting groove 1310 in the circumferential direction. The traction assembly 133 is installed on the mounting bracket 110 of the rack 100, so that the traction assembly 133 is at the same height as the clutch sleeve 131. The traction assembly 133 includes a connecting sleeve 1331, a traction bracket 1332, and a first telescopic device 1336. The connecting sleeve 1331 is rotatably installed on the connecting groove 1310 of the clutch sleeve 131 by bearing cooperation. The traction bracket 1332 is rotatably connected to the support pin 1101 on the mounting bracket 110 through a strip-shaped rotating groove 1333 in the middle. One end of the traction bracket 1332 is hingedly connected to the connecting sleeve 1331, and the other end of the traction bracket 1332 is provided with a strip-shaped traction groove 1334. The first telescopic device 1336 is installed on the rack 100, and the output end of the first telescopic device 1336 is hingedly connected to the traction groove 1334 through a traction plate 1335, so that the traction bracket 1332 is rotated around the rotating groove 1333 under the drive of the first telescopic device 1336, and in turn drives the clutch sleeve 131 to move axially along the main shaft 112.

[0049] It should be known that the clutch sleeve 131 has various specific elastic sliding installation modes. For the convenience of understanding, one specific example is shown in FIGS. 5, 7, and 11. The main shaft 112 is provided with a radial baffle 1123, and the end face of the clutch sleeve 131 away from the storage reel 12 is provided with multiple guide rods 1313, such as four guide rods 1313, in the circumferential direction at equal intervals. The guide rods 1313 can slide through the baffle 1123 on the main shaft 112, and the guide rods 1313 are each sleeved with a first spring 132, and the two ends of the first spring 132 are respectively abutted with the baffle 1123 and the end face of the clutch sleeve 131, thereby achieving the elastic sliding installation of the clutch sleeve 131 and the main shaft 112.

[0050] In order to ensure the stability of the traction of the clutch sleeve 131, the connecting ends of the traction frame 1332 can be connected to at least two hinge points of the connecting sleeve 1331, and the connecting lines of the hinge points can intersect at the center point of the connecting sleeve 1331. For example, as shown in FIG. 7, the connecting ends of the traction frame 1332 are in the shape of a "U" so that the traction frame 1332 can be connected to the hinge rods arranged at the upper and lower limit height positions of the connecting sleeve 1331, thereby ensuring that the traction frame 1332 can drive the upper and lower ends of the connecting sleeve 1331 at the same time when rotating to improve the stability of the traction. At the same time, since the connecting sleeve 1331 is always stationary in the circumferential direction, and the clutch sleeve 131 always rotates with the main shaft 112, in order to reduce the friction between the connecting sleeve 1331 and the clutch sleeve 131, the connecting sleeve 1331 and the connecting groove 1310 can be matched through bearings or balls, so that the sliding friction is changed into rolling friction to reduce the wear.

[0051] It should also be known that, since the movement of the clutch sleeve 131 is along the axial direction of the main shaft 112, that is, the movement path of the clutch sleeve 131 is a straight line, and the traction frame 1332 rotates around the support pin 1101, that is, the movement path is an arc, in order to ensure that the operation of the traction frame 1332 and the clutch sleeve 131 does not interfere with each other, the rotating groove 1333 needs to be arranged in a strip shape, so that the traction frame 1332 can compensate for the trajectory difference between the traction frame 1332 and the clutch sleeve 131 through the sliding of the rotating groove 1333 relative to the support pin 1101 while rotating around the support pin 1101.

[0052] It can be understood that, since the clutch sleeve 131 is engaged with the inner ring gear 1211 of the inner hole of the wire storage disc 12 through the external gear teeth 1311, when the clutch sleeve 131 needs to be reconnected with the wire storage disc 12, the external gear teeth 1311 and the inner ring gear 1211 may not correspond to the teeth and gaps, which may interfere with the resetting of the clutch sleeve 131. Therefore, in the embodiment, the clutch sleeve 131 is elastically and slidably connected with the main shaft 112, and the traction frame 1332 and the traction plate 1335 are hinged through the strip-shaped traction groove 1334. When the external gear teeth 1311 and the inner ring gear 1211 do not correspond to the teeth and gaps, the first telescopic device 1336 can be reset to a state close to the initial position through the sliding of the traction plate 1335 relative to the traction groove 1334, and then when the external gear teeth 1311 and the inner ring gear 1211 correspond to the teeth and gaps as the main shaft 112 rotates relative to the wire storage disc 12, the clutch sleeve 131 can be reset under the elastic force of the first spring 132 to realize the reconnection of the clutch sleeve 131 and the wire storage disc 12, at this time the traction frame 1332 rotates around the support pin 1101, and the traction plate 1335 can slide along the traction groove 1334 again to avoid interference. In order to ensure that the elastic force of the first spring 132 is sufficient, the first spring 132 can be rectangular elastic. The specific structure and working principle of the first telescopic device 1336 are known to those skilled in the art, so they will not be described in detail here. Common first telescopic devices 1336 can use air cylinders or hydraulic cylinders.

[0053] For the convenience of understanding, the specific working process of the traction assembly 133 will be described in detail below in combination with the drawings.

[0054] Initially, as shown in (1) of FIGS. 8 and 11, at this time the clutch sleeve 131 is engaged with the inner ring gear 1211 of the wire storage disc 12 through the external gear teeth 1311. At the same time, the traction frame 1332 can be in a state perpendicular to the axial direction of the main shaft 112 and connected with the connecting sleeve 1331; the rotation groove 1333 can correspond to the support pin 1101 through the middle or the end away from the clutch sleeve 131; the traction plate 1335 corresponds to the end of the traction groove 1334 close to the clutch sleeve 131, and the first telescopic device 1336 is close to the clutch sleeve 131, so that the traction plate 1335 is inclined away from the clutch sleeve 131 to avoid dead points. At the same time, the first spring 132 can be in a natural state or in an elastic deformation state.

[0055] When the line storage disc 12 needs to be disengaged from the main shaft 112, as shown in (2) of FIG. 9 and FIG. 11, the first telescopic device 1336 can drive the traction plate 1335 to extend, so that the traction plate 1335 can first slide along the traction groove 1334 to the end of the traction groove 1334 away from the clutch sleeve 131, and then drive the traction frame 1332 to rotate around the support pin 1101 and slide relatively by the abutment of the traction plate 1335 and the traction groove 1334, so that the clutch sleeve 131 slides axially under the drive of the connecting sleeve 1331 to the direction away from the line storage disc 12, until the external gear 1311 is disengaged from the internal gear ring 1211; at this time, the line storage disc 12 is disengaged from the main shaft 112, and the first spring 132 is in an elastic compression state.

[0056] When the line storage disc 12 completes rewinding and is ready to be connected to the main shaft 112 again, as shown in FIG. 10, the first telescopic device 1336 can drive the traction plate 1335 to retract, so that the traction plate 1335 can slide along the traction groove 1334 to the end close to the clutch sleeve 131. If the external gear 1311 and the internal gear ring 1211 correspond during this process, the clutch sleeve 131 can be reset to the meshing state of the external gear 1311 and the internal gear ring 1211 under the elastic force of the first spring 132. If the external gear 1311 and the internal gear ring 1211 do not correspond during this process, the first telescopic device 1336 can remain stationary when the traction plate 1335 corresponds to the end of the traction groove 1334 close to the clutch sleeve 131, until the line storage disc 12 and the main shaft 112 are relatively rotated to the point where the external gear 1311 and the internal gear ring 1211 correspond, and then the clutch sleeve 131 can be reset to the meshing state of the external gear 1311 and the internal gear ring 1211 under the elastic force of the first spring 132, and the first telescopic device 1336 can also be reset to the initial position. Generally speaking, during the process of the first telescopic device 1336 driving the traction plate 1335 to move along the traction groove 1334 from the end away from the clutch sleeve 131 to the end close to the clutch sleeve 131, the line storage disc 12 and the main shaft 112 have already moved a certain angle relatively, and during this process, the external gear 1311 and the internal gear ring 1211 can basically correspond, so that the clutch sleeve 131 can be re-engaged with the internal gear ring 1211 under the elastic force of the first spring 132, and the reset drive of the first telescopic device 1336 can ensure that the clutch sleeve 131 can be reset to the initial position.

[0057] It should be known by those skilled in the art that the winding mode of the wire storage disc 12 is different for different application scenarios; when the number of conductors 220 required for single-layer twisting of the cable 200 is small, the wire storage disc 12 can directly wind through the disc body 121; when the number of conductors 220 required for single-layer twisting of the cable 200 is large, a plurality of wire storage boxes 122 can be provided on the disc body 121 of the wire storage disc 12, and each wire storage box 122 is wound. For different application scenarios, specific examples will be described in detail below.

[0058] Example one: for the scene that the wire storage disc 12 directly winds through the disc body 121.

[0059] The specific structure of the disc body 121 is known in the art, mainly including a winding column and a circular wire blocking plate at both ends of the winding column, the wire storage disc 12 can be rotationally matched with the main shaft 112 through the winding column, and the diameter of the wire blocking plate is larger than that of the winding column. For the above-mentioned scene, the brake assembly 134 includes a second telescopic device 1341 and a rotating device. The second telescopic device 1341 is fixedly installed on the rack 100, and the rotating device is installed on the output end of the second telescopic device 1341, so that the rotating device can be close to and fit on the side edge of the wire blocking plate of the wire storage disc 12 and frictionally matched under the driving of the second telescopic device 1341. Through the frictional matching between the rotating device and the wire storage disc 12, the wire storage disc 12 can be first braked to be stationary, and then after the wire storage disc 12 and the wire arranging device are connected for winding, the rotating device can be started to drive the wire storage disc 12 to rotate in the opposite direction until the wire storage disc 12 is braked to be stationary again after completing winding, and finally the wire arranging device and the wire storage disc 12 are separated.

[0060] It should be known that the specific structure of the wire arranging device is known to those skilled in the art, and the wire arranging device is mainly used for the winding of the wire storage disc 12, which can simultaneously pay off the wire to the wire storage disc 12 while driving the conductor 220 to be wound to reciprocate along the axial direction of the wire storage disc 12, so as to ensure that the conductor 220 can be uniformly wound on the winding column of the wire storage disc 12. The specific structure and working principle of the second telescopic device 1341 and the rotating device are known to those skilled in the art, and the common second telescopic device 1341 is a pneumatic cylinder or a hydraulic cylinder, and the common rotating device is a motor. The motor can be frictionally matched with the side edge of the wire blocking plate of the wire storage disc 12 through the friction wheel installed on the output end.

[0061] Example two: for the scene that the wire storage disc 12 is provided with a plurality of wire storage boxes 122 along the circumferential direction of the disc body 121.

[0062] As shown in FIG. 2, FIG. 3 and FIG. 6, the plurality of wire storage boxes 122 can correspond to the rotating installation on the disc body 121, and under the guidance of the first guide wheel 123 arranged on the disc body 121, the wire is discharged to the corresponding position of the flying wing tension control mechanism 14. When the wire storage disc 12 is separated from the main shaft 112, the brake assembly 134 can brake the wire storage disc 12 separated from the main shaft 112. The twisting module 1 further comprises a reverse mechanism 15 installed on the wire storage disc 12, which can drive connect the main shaft 112 with the wire storage box 122 after the wire storage disc 12 is separated from the main shaft 112, so that the wire storage box 122 can be reversely rotated relative to the stationary wire storage disc 12 to complete rewinding.

[0063] It should be understood that the specific number of wire storage boxes 122 can be determined according to the number of wires 220 required for actual twisting; for example, as shown in FIG. 6, the number of wire storage boxes 122 is six, each wire storage box 122 can discharge a single wire 220, or multiple wires 220 can form a complex wire.

[0064] Specifically, as shown in FIG. 6 to FIG. 10, at least one side of the disc body 121 is provided with an annular extension 1212 which is concentric with the second inner hole 1210 of the disc body 121. The brake assembly 134 can be installed on the mounting rack 110 of the rack 100, so that the brake assembly 134 is the same height as the extension 1212. The brake assembly 134 comprises a second telescopic device 1341 and a brake block 1343, the second telescopic device 1341 is fixedly installed on the mounting rack 110, the brake block 1343 is fixedly installed on the connecting frame 1342 of the output end of the second telescopic device 1341, and the connecting frame 1342 can be slidably connected with the guide groove 1102 arranged on the mounting rack 110 to increase the stability. When the wire storage disc 12 needs to be separated from the main shaft 112, the brake block 1343 can be driven by the second telescopic device 1341 to approach and adhere to the extension 1212, thereby braking the wire storage disc 12 separated from the main shaft 112.

[0065] It should be understood that the overall mass of the wire storage disc 12 is large, after the wire storage disc 12 is separated from the main shaft 112 through the clutch mechanism 13, since the wire storage disc 12 and the main shaft 112 are rotationally matched through bearings, the rotational friction of the wire storage disc 12 is small, and under the large rotational inertia of the wire storage disc 12 itself, the wire storage disc 12 will continue to rotate, so it is necessary to set the brake assembly 134 to quickly brake the wire storage disc 12 separated from the main shaft 112, so as to quickly rewind the wire storage box 122 on the wire storage disc 12. In order to ensure the stable braking of the brake assembly 134 to the wire storage disc 12, the number of brake blocks 1343 can be set to be multiple, for example, as shown in FIG. 7, the number of brake blocks 1343 is two, and the two brake blocks 1343 can simultaneously frictionally contact with the extension 1212.

[0066] In the present example, the specific structure of the reversing mechanism 15 capable of reversing the rotation of the wire storage box 122 can be various, and for the convenience of understanding, one of the structures will be described in detail below. As shown in FIGS. 6, 12 and 13, the extension 1212 is provided with a corresponding empty slot 1213 for each wire storage box 122 in the circumferential direction, and the empty slot 1213 is closer to the disc body 121 relative to the contact position of the brake assembly 134 and the extension 1212, so as to avoid interference between the reversing mechanism 15 and the brake assembly 134. At least one side of the wire storage box 122 is provided with a coaxially installed first friction wheel 1221. The reversing mechanism 15 is installed on the same side of the first friction wheel 1221, and the reversing mechanism 15 includes a second rotating device 151, a rotating sleeve 152, and a plurality of transmission gear trains 153 and a plurality of second friction wheels 154 corresponding to the number of wire storage boxes 122. The second rotating device 151 is fixedly installed on the wire storage disc 12, the rotating sleeve 152 is concentrically rotatably installed on the wire storage disc 12 and is engaged with the first gear 1511 installed on the output end of the second rotating device 151 through the side provided gear rack section 1521. Each transmission gear train 153 is installed on the wire storage disc 12 and corresponds to each wire storage box 122 in the circumferential direction; the input end of the transmission gear train 153 can be engaged with the clutch sleeve 131 or the main shaft 112 through the empty slot 1213, and the output end of the transmission gear train 153 can be spaced from the first friction wheel 1221 coaxially installed on the corresponding wire storage box 122. The second friction wheel 154 is rotatably installed on the sliding block (not shown), and the sliding block can be slidably installed on the first sliding groove 1215 provided on the side of the disc body 121, and the extension direction of the first sliding groove 1215 coincides with the perpendicular direction of the line connecting the output end of the transmission gear train 153 and the first friction wheel 1221; the sliding block and the rotating sleeve 152 are hinged through the corresponding hinge plate 1522.

[0067] When the wire storage disc 12 and the main shaft 112 rotate synchronously, the second friction wheel 154 is away from the first friction wheel 1221, so that the wire storage box 122 can rotate and pay out the wire under the pulling of the wire 220. When the wire storage disc 12 and the main shaft 112 are disengaged and need to reverse the winding of the wire storage box 122, the rotating sleeve 152 rotates under the drive of the second rotating device 151, and then the sliding block can drive the second friction wheel 154 to slide along the perpendicular line of the line connecting the output end of the transmission gear train 153 and the first friction wheel 1221 under the drive of the hinge plate 1522, until the second friction wheel 154 is frictionally engaged with the first friction wheel 1221 and the output end of the transmission gear train 153 at the same time, so as to realize the transmission of the transmission gear train 153 to the first friction wheel 1221 through the second friction wheel 154, and then the corresponding wire storage box 122 can be driven to rotate reversely to complete the winding.

[0068] It can be understood that the transmission gear train 153 includes at least one transmission gear, and the number of gears included in the transmission gear train 153 needs to be odd according to the requirement of reverse rotation of the wire storage box 122 relative to the main shaft 112, so that the rotation direction of the output end of the transmission gear train 153 is opposite to the rotation direction of the main shaft 112, and then when the second friction wheel 154 is driven to the first friction wheel 1221, the first friction wheel 1221 can drive the coaxial wire storage box 122 to rotate reversely relative to the main shaft 112. The specific number of transmission gears included in the transmission gear train 153 can be determined according to actual needs, such as one, three, and five, etc.

[0069] It should be understood that in order to ensure that the second friction wheel 154 can be stably matched with the first friction wheel 1221 and the output end of the transmission gear train 153 at the same time, the size of the transmission gear corresponding to the output end of the transmission gear train 153 needs to be equal to that of the first friction wheel 1221. Since the distance between the wire storage box 122 and the main shaft 112 is far, if the transmission gear train 153 adopts one transmission gear, the size of the second friction wheel 154 required is large, which is not convenient for installation. Therefore, the transmission gear train 153 can adopt a plurality of transmission gears, which not only can reduce the size of the friction wheel and the transmission gear, but also can increase the speed ratio between the main shaft 112 and the wire storage box 122, so as to speed up the winding efficiency of the wire storage box 122.

[0070] In order to facilitate understanding, the transmission gear train 153 will be taken as an example of adopting three transmission gears for detailed description. It is assumed that the input end of the transmission gear train 153 is engaged with the outer gear teeth 1311 of the clutch sleeve 131 through the air gap 1213. As shown in FIGS. 12 and 13, the three transmission gears are a second gear 1531, a third gear 1532, and a fourth gear 1533. The fourth gear 1533 is close to the clutch sleeve 131 and is engaged to serve as the input end of the transmission gear train 153. The third gear 1532 is engaged with the fourth gear 1533, the second gear 1531 is engaged with the third gear 1532, and the side of the second gear 1531 is coaxially installed with a third friction wheel equal in size to the first friction wheel 1221 to serve as the output end of the transmission gear train 153. The extension direction of the first sliding groove 1215 coincides with the midline of the axis connecting line of the third friction wheel and the first friction wheel 1221. The second friction wheel 154 can be frictionally engaged with the first friction wheel 1221 and the third friction wheel under the drive of the rotating sleeve 152.

[0071] It should be noted that when the winding of the wire storage box 122 is carried out, according to the installation position of the wire arranging device, the winding of two or more wire storage boxes 122 in the symmetric direction can be carried out at the same time; taking six wire storage boxes 122 as an example, assuming that each wire arranging device only winds one wire storage box 122, then during the winding time of one wire storage box 122, the six wire storage boxes 122 on the other wire storage disc 12 need to be wound for three times to complete the winding. The speed increasing ratio between the first friction wheel 1221 and the main shaft 112 is at least equal to 3, and in order to leave the reconnection time of the wire arranging device, the speed increasing ratio between the first friction wheel 1221 and the main shaft 112 is at least greater than 3. Through the above transmission gear train 153, the speed increasing ratio between the first friction wheel 1221 and the main shaft 112 will be much greater than 3; but the speed increasing ratio is not easy to be too large, and too large speed increasing ratio will lead to too fast speed of the wire storage box 122 and affect the winding quality. Generally, the speed increasing ratio can be set to about 5-8.

[0072] In the example, the specific rotating installation mode of the rotating sleeve 152 has many kinds, in order to facilitate understanding, one of the structures will be described in detail below. As shown in FIG. 6 and FIG. 13, a plurality of positioning wheels 1214 are arranged on one side of the wire storage disc 12 along the circumferential direction; the positioning wheel 1214 can be rotatingly installed or fixedly installed, and the rotating installation is preferred. The plurality of positioning wheels 1214 can form a positioning area, and the rotating sleeve 152 can be installed in the positioning area to realize the concentric rotating installation with the wire storage disc 12. The specific number of the positioning wheels 1214 can be selected according to actual needs, but in order to ensure the formation of the positioning area, the number of the positioning wheels 1214 is at least three, and the arc length corresponding to the center angle of the connecting line of the three positioning wheels 1214 along the circumferential direction is greater than 180°, so that the rotating sleeve 152 can be stably installed; for example, as shown in FIG. 6, the number of the positioning wheels 1214 is five.

[0073] In this embodiment, as shown in FIG. 2, FIG. 3, FIG. 5, FIG. 14 and FIG. 15, the wire guide disc 113 is installed on the end of the main shaft 112 away from the first rotating device 111, and a plurality of wire guide holes 1130 are arranged at intervals in the circumferential direction of the wire guide disc 113. The wire 220 extending from the flying wing tension control mechanism 14 can be twisted with the center wire 210 passing through the first inner hole 1120 in the center of the main shaft 112 by passing through the corresponding wire guide hole 1130. The wire guide disc 113 is used to lift the wire 220 to a certain height to ensure that the wire 220 and the center wire 210 can be twisted at a suitable angle. The main shaft 112 is provided with a plurality of through slots 1122 in the circumferential direction at the installation position of the flying wing tension control mechanism 14, and the through slots 1122 can communicate the first inner hole 1120 in the center of the main shaft 112 with the outside. The flying wing tension control mechanism 14 includes a wheel body 141 and a plurality of tension control assemblies 142. The wheel body 141 is fixedly installed on the main shaft 112, and the wheel body 141 is provided with a plurality of inwardly extending radial guide portions 1410 in the circumferential direction, which can pass through the through slots 1122 to extend into the first inner hole 1120 of the main shaft 112, so that the wire 220 discharged from the wire storage disc 12 can extend inside the main shaft 112 through the guide portion 1410 to the wire guide disc 113. The tension control assemblies 142 are installed at equal intervals in the circumferential direction on the side of the wheel body 141, and the tension control assemblies 142 can tension the wire 220 discharged from the wire storage disc 12.

[0074] It should be understood that the number and position of the guide portions 1410, the tension control assemblies 142 and the wire storage box 122 correspond to each other. In order to ensure the smooth guidance of the wire 220 by the guide portion 1410, a second guide wheel 1411 can be installed in the guide portion 1410, and the wire 220 passing through the tension control assembly 142 can extend in the direction of the wire guide disc 113 through the second guide wheel 1411 in the guide portion 1410. By routing the wire 220 inside the main shaft 112, the safety of the wire 220 can be ensured; that is, if the wire 220 breaks during twisting, the broken wire 220 will only jump inside the main shaft 112, without causing safety hazards to external workers.

[0075] In this embodiment, the specific structure of the tension control assembly 142 capable of tensioning the wire 220 can be various, in order to facilitate understanding, one of the structures will be described in detail below. As shown in FIG. 14, FIG. 16 to FIG. 18, the tension control assembly 142 includes a support frame 1421, a third guide wheel 1422, a tension wheel 1423 and an elastic assembly 143. The support frame 1421 is fixedly installed on the wheel body 141, and the third guide wheel 1422 is rotatably installed on the top of the support frame 1421. The tension wheel 1423 is rotatably installed on a sliding seat (not shown), and the sliding seat is slidingly installed with a second sliding groove 1420 horizontally arranged on the support frame 1421. The wire 220 discharged from the wire storage disc 12 can pass through the third guide wheel 1422 and the tension wheel 1423 in turn and extend to the guide portion 1410. The elastic assembly 143 cooperates with the sliding seat, and the elastic assembly 143 can drive the tension wheel 1423 to move to maintain the tension of the wire 220 when the tension of the wire 220 changes.

[0076] It should be understood that in order to ensure that the tension wheel 1423 can stably tension the wire 220, the third guide wheel 1422 needs to deviate from the tension wheel 1423 in the horizontal direction. For the arrangement of the wire 220 of the flying wing tension control mechanism 14 during the alternate use of the two wire storage discs 12, FIG. 3, FIG. 4 and FIG. 17 can be taken as an example for illustration. The two wire storage discs 12 can be arranged on the left and right sides of the flying wing tension control mechanism 14 according to the direction shown in FIG. 3; the third guide wheel 1422 can deviate from the tension wheel 1423 to the left side of the wire storage disc 12, and the elastic assembly 143 pulls the tension wheel 1423 to the right. When the left wire storage disc 12 is working, as shown in FIG. 3 and FIG. 17, the wire 220 discharged from the wire storage disc 12 can pass through the upper part of the third guide wheel 1422 and the tension wheel 1423 to extend to the guide portion 1410. When the right wire storage disc 12 is working, as shown in FIG. 4, the wire 220 can pass through the third guide wheel 1422 from above and extend to the tension wheel 1423 from below until it extends to the guide portion 1410.

[0077] In the embodiment, the elastic assembly 143 has various specific structures. For the convenience of understanding, one of the structures will be described in detail below. As shown in FIG. 16 and FIG. 17, the elastic assembly 143 includes a pull rope 1431, a sliding rod 1432, a first elastic member and a second elastic member. The sliding rod 1432 is installed flush with the moving direction of the tension wheel 1423 on the support frame 1421, the first elastic member is installed on the sliding rod 1432, so that the sliding rod 1432 and the support frame 1421 are elastically connected. One end of the second elastic member is hinged to the support frame 1421, and the other end is connected to the sliding rod 1432 through the pull rope 1431, the extension direction of the second elastic member and the axial direction of the sliding rod 1432 form an angle of 90°-150°; the pull rope 1431 can pull the tension wheel 1423 after passing through the traction wheel 1424 arranged on the sliding seat, so that the tension wheel 1423 slides along the second sliding groove 1420 under the traction of the pull rope 1431 to realize the tension of the wire 220, and the traction wheel 1424 can facilitate the sliding traction of the pull rope 1431.

[0078] It should be understood that the first elastic member and the second elastic member have various specific structures, such as elastic sheets and springs. In the embodiment, the spring will be taken as an example to be described in detail, the first elastic member is the second spring 1433, and the second elastic member is the third spring 1434. The second spring 1433 can be sleeved on the sliding rod 1432, one end of the third spring 1434 is hinged to the support frame 1421 through the connecting hinge seat 1436, and the other end of the third spring 1434 is connected to the pull rope 1431 through the connecting block 1435. The third spring 1434 can be arranged above the tension wheel 1423 or below the tension wheel 1423; if the third spring 1434 is arranged above the tension wheel 1423, the sliding rod 1432 will be flush with the lower part of the traction wheel 1424; if the third spring 1434 is arranged below the tension wheel 1423, the sliding rod 1432 will be flush with the upper part of the traction wheel 1424. For the convenience of understanding, the third spring 1434 arranged below the tension wheel 1423 will be taken as an example in the embodiment.

[0079] It can be understood that the third spring 1434 and the hinge point of the support frame 1421 can be marked as A, and the second spring 1433 and the connecting point of the rear end of the slide rod 1432 can be marked as B. Then, during the movement of the tension wheel 1423, the entire elastic assembly 143 can be represented by the length change of the line between points A and B. When the tension of the wire 220 changes, for example, the tension decreases; as shown in FIG. 17, assuming that the traction wheel 1424 moves to the right by a distance X, the length change of the line between points A and B will be less than X, which makes the elastic assembly 143 of the present embodiment have a larger tension adaptation stroke compared to the traditional single spring structure. In order to ensure the stability of the force of the tension wheel 1423, elastic assemblies 143 can be arranged at both ends of the tension wheel 1423.

[0080] In the present embodiment, as shown in FIG. 18, the support frame 1421 is fixedly installed with a clamping block 1425 at the same height position as the tension wheel 1423. When the tension wheel 1423 moves to the limit position, it can abut against the clamping block 1425, thereby clamping the slack wire 220 between the tension wheel 1423 and the clamping block 1425, so as to facilitate the subsequent wiring when the wire storage disc 12 is alternated, and also can clamp and protect the wire 220 from sudden breakage, avoiding the wire 220 flying out and causing harm.

[0081] It should be understood that when the wire storage disc 12 completes winding, the wire 220 will be in a slack state, and the tension wheel 1423 can slide away from the third guide wheel 1422, or in other words, towards the clamping block 1425, under the drive of the elastic assembly 143, until the tension wheel 1423 abuts against the clamping block 1425. This process is relatively fast, so the end of the wire 220 that tends to be unwound can be clamped quickly to facilitate the re-wiring when the wire storage disc 12 is replaced. At the same time, when the wire 220 suddenly breaks, the pressure of the wire 220 on the tension wheel 1423 will suddenly disappear, and at this time the tension wheel 1423 can also quickly approach and clamp the broken wire 220 under the action of the elastic force of the elastic assembly 143.

[0082] It should also be understood that the wiring of the wire 220 can be the continuous twisting of the cable 200, or the end of the wire 220 of the previous wire storage disc 12 can be used to pull the head of the wire 220 of the new wire storage disc 12, so that the wire 220 of the new wire storage disc 12 can quickly pass from the inside of the main shaft 112 to the position of the wire disc 113, without the need for manual threading again from the inside of the main shaft 112.

[0083] The foregoing describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above-described embodiments, and the above-described embodiments and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection claimed by the present application is defined by the appended claims and their equivalents.

Claims

1. A concentric cable stranding machine comprising at least one stranding module, characterized in that, The twisting module comprises: a frame; a main shaft rotatably mounted on the frame; at least one flying tension control mechanism fixedly mounted on the main shaft and located between a corresponding pair of wire storage discs; and at least one pair of wire storage discs mounted on the main shaft through a corresponding clutch mechanism, and adapted to rotate synchronously with the main shaft and release wire to the flying tension control mechanism; two wire storage discs of each pair are adapted to release wire alternately; when one of the wire storage discs releases wire, the other wire storage disc rotates asynchronously with the main shaft under the drive of the clutch mechanism, so that the wire storage disc reversely rotates and rewinds wire; the clutch mechanism comprises: a clutch sleeve slidably mounted on the main shaft and connected through splines, and the wire storage disc is rotatably mounted on the main shaft and connected through splines with the clutch sleeve, so that the wire storage disc is synchronously connected with the main shaft through the clutch sleeve; a traction assembly mounted on the frame and matched with the clutch sleeve, so that the clutch sleeve moves axially along the main shaft under the drive of the traction assembly, thereby disconnecting or keeping the wire storage disc connected with the main shaft; and a brake assembly mounted on the frame, and adapted to brake the wire storage disc disconnected from the main shaft.

2. The concentric cable stranding machine of claim 1 wherein, The traction assembly comprises: a connecting sleeve elastically slidably mounted on the main shaft, and the connecting sleeve is rotatably mounted on the clutch sleeve; a traction frame rotatably mounted on the frame through a middle strip-shaped rotating groove; one end of the traction frame is hingedly connected with the connecting sleeve, and the other end of the traction frame is provided with a strip-shaped traction groove; and a first telescopic device mounted on the frame, and the output end of the first telescopic device is hingedly connected with the traction groove through a traction plate, so that the traction frame rotates around the rotating groove under the drive of the first telescopic device, thereby driving the connecting sleeve and the clutch sleeve to move axially along the main shaft.

3. A concentric cable stranding machine as claimed in claim 1 or 2, characterized in that The wire storage disc is directly used for winding wire; the brake assembly comprises: a second telescopic device fixedly mounted on the frame; and a rotating device mounted on the output end of the second telescopic device, so that the rotating device is close to and abuts against the side of the wire storage disc under the drive of the second telescopic device, thereby reversely rotating the wire storage disc disconnected from the main shaft under the friction drive of the rotating device.

4. A concentric cable stranding machine as claimed in claim 1 or 2, characterized in that The wire storage disc is rotatably mounted with a plurality of wire storage boxes in the circumferential direction, and the wire storage boxes are adapted to release wire to the flying tension control mechanism; the brake assembly is adapted to brake the wire storage disc disconnected from the main shaft; the twisting module further comprises a reverse rotation mechanism mounted on the wire storage disc, and the reverse rotation mechanism is adapted to drive the wire storage box to rotate reversely after the wire storage disc is disconnected from the main shaft.

5. The concentric cable stranding machine of claim 4 wherein, At least one side of the wire storage box is provided with a coaxial first friction wheel; the reversing mechanism comprises: a rotating device; the rotating device is fixedly installed on the wire storage disc; a rotating sleeve; the rotating sleeve is coaxially rotatably installed on one side of the wire storage disc and is in mesh with the output end of the rotating device; a plurality of transmission gear trains; each transmission gear train is installed on one side of the wire storage disc and corresponds to each wire storage box in the circumferential direction, the input end of the transmission gear train is in mesh with the clutch sleeve or the main shaft, and the output end of the transmission gear train is spaced from the first friction wheel corresponding to the wire storage box; and a plurality of second friction wheels; the second friction wheels are rotatably installed on sliding blocks, the sliding blocks are slidably installed on one side of the wire storage disc along the direction of the median line of the output end of the transmission gear train and the first friction wheel, and the sliding blocks and the rotating sleeve are hinged through a hinge plate; when the wire storage disc rotates synchronously with the main shaft, the second friction wheel moves away from the first friction wheel; when the wire storage disc is disengaged from the main shaft and reverses the wire winding of the wire storage box, the rotating sleeve rotates under the drive of the rotating device, thereby driving the second friction wheel to slide through the hinge plate, until the second friction wheel is frictionally matched with the output end of the transmission gear train and the first friction wheel respectively.

6. The concentric cable stranding machine of claim 1 wherein, The end of the main shaft is provided with a wire guide disc, and a plurality of through slots are arranged in the circumferential direction of the installation position of the flying wing tension control mechanism; the flying wing tension control mechanism comprises: a wheel body; the wheel body is installed on the main shaft and extends radially to pass through the through slot to extend into the main shaft, so that the wire discharged from the wire storage disc extends into the wire guide disc through the guide part in the main shaft; and a plurality of tension control assemblies; the tension control assemblies are installed on the side of the wheel body in the circumferential direction at equal intervals, and the tension control assemblies are suitable for tensioning the wire discharged from the wire storage disc.

7. The concentric cable stranding machine of claim 6 wherein, the tension control assembly comprises: a support frame; the support frame is fixedly installed on the wheel body; a third guide wheel; the third guide wheel is rotatably installed on the top of the support frame; a tension wheel; the tension wheel is rotatably installed on a sliding seat, and the sliding seat is slidably installed on the support frame; the wire sequentially passes through the third guide wheel and the tension wheel to the guide part; and an elastic assembly; the elastic assembly cooperates with the sliding seat, and the elastic assembly is suitable for driving the tension wheel to move when the tension of the wire changes to maintain the tension of the wire.

8. The concentric cable stranding machine of claim 7 wherein, the elastic assembly comprises: a slide rod; the slide rod is flushly slidably installed on the support frame in the moving direction of the tension wheel; a first elastic member; the first elastic member is installed on the slide rod, so that the slide rod and the support frame are elastically and slidably connected; a second elastic member; one end of the second elastic member is hinged to the support frame, the other end is connected to the slide rod through a pull rope, and the included angle between the extension direction of the second elastic member and the axial direction of the slide rod is 90°-150°; and A pulling rope is arranged to pass through the sliding seat, so that the tension wheel slides under the traction of the pulling rope.

9. The concentric cable stranding machine of claim 7 wherein, The support frame is fixedly provided with a clamping block at the same height of the tension wheel; the tension wheel is adapted to abut against the clamping block when moving to the limit position, so as to clamp the slack wire between the tension wheel and the clamping block.

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