A multi-strand bunching device and bunching method for cables

Abstract

The present invention discloses a multi-strand cable stranding device and a stranding method. The present invention relates to the technical field of cable manufacturing, and includes a tank body. An anti-foreign object mechanism is fixedly connected to the inner side surface of the tank body. The anti-foreign object mechanism includes an embedded wall. A net body is fixedly connected to the inner side surface of the embedded wall. An outer tube is fixedly connected to a position on the inner side surface of the embedded wall close to the net body. A blower is fixedly connected to the surface of the outer tube. An air pump is fixedly connected to the inner side surface of the blower. An anti-fracture mechanism is fixedly connected to a position on the inner side surface of the tank body away from the anti-foreign object mechanism. The anti-fracture mechanism includes a housing. Through the coordinated use of mechanisms such as the anti-foreign object mechanism, the separation component, the anti-fracture mechanism, and the flexible component, the multi-strand cable stranding device and the stranding method solve the problems of foreign objects sticking to the surface of the wire core resulting in wire core fragmentation and wire core breakage caused by inappropriate wire pulling tension.

Description

Technical Field

[0001] The present invention relates to the technical field of cable manufacturing, and specifically to a multi-strand bunching device and a bunching method for cables. Background Art

[0002] Stranding is composed of multiple single wires. Generally speaking, the single wires that make up stranding are numerous and thin, which not only increases the flexibility of wires and cables, but also improves the reliability of line connection. For some wires and cables, the conductor does not require a large cross-section, but a stranded form is also adopted precisely to have better flexibility or high reliability. To make the single wires bunch or strand at a certain helix angle (or pitch), the equipment must meet the following requirements: one is to make all single wires rotate around the central axis of the equipment; the other is to make the stranded product move forward in a straight line. By changing the coordination of these two movement speeds, the size of the helix angle can be adjusted to make the produced stranded wire or bunch wire meet the structural requirements. Based on the above description, the inventor of the present invention found that the existing cable bunching equipment mainly has the following deficiencies, for example:

[0003] Foreign objects adhere to the surface of the wire core, resulting in the fragmentation of the wire core, and the wire core breaks due to inappropriate wire drawing tension. Summary of the Invention

[0004] (I) Technical Problems to be Solved

[0005] Aiming at the deficiencies of the existing technology, the present invention provides a multi-strand bunching device and a bunching method for cables, which solve the problems of wire core fragmentation caused by foreign objects adhering to the surface of the wire core and wire core breakage caused by inappropriate wire drawing tension.

[0006] To achieve the above objectives, the present invention is realized through the following technical solutions: A multi-strand bunching device for cables includes a tank body. An anti-foreign object mechanism is fixedly connected to the inner side surface of the tank body. The anti-foreign object mechanism includes an inner embedding wall. A net body is fixedly connected to the inner side surface of the inner embedding wall. An outer pipe is fixedly connected to a position on the inner side surface of the inner embedding wall close to the net body. A blower is fixedly connected to the surface of the outer pipe. An air pump is fixedly connected to the inner side surface of the blower. In this device, the wire reel is placed inside the protective cover. The wire core on the surface of the wire reel passes through the hole on the surface of the inner embedding wall and enters the inner embedding wall. The multi-strand wire cores then enter the twisting wall through the first roller and the second roller. The multi-strand wire cores complete bunching under the pressure and drive of the friction wheel and are led out through the wire outlet hole. When the wire core on the wire reel is used up, the protective cover is removed and the wire reel is reinstalled. The protective cover can effectively reduce the interference of the outside world on the wire reel, thereby efficiently realizing the bunching of multi-strand single wires of the cable;

[0007] A fracture prevention mechanism is fixedly connected to the inner side surface of the tank body at a position away from the foreign object prevention mechanism. The fracture prevention mechanism includes a housing. A first motor is fixedly connected to the surface of the housing. A cylinder is fixedly connected to the inner side surface of the housing. A rotating cylinder at the output end of the first motor is fixedly connected to a torsion wall. When multiple wire cores enter the torsion wall through the embedded wall, the first motor drives the torsion wall to rotate. The diversion wall enables the circumferential flow of the wire core material, so that the wire core bundle is twisted by a certain angle. The twisting angle makes the adhesion force between the wire cores greater. Subsequently, the twisted cable is conveyed into the interior of the housing. The heating wire makes the atmosphere temperature inside the housing higher. The cylinder servo-controls a second motor to drive a friction wheel to squeeze the wire cores. The higher temperature and the pressure of the pressing strip make the adhesion between the multiple wire cores more reliable.

[0008] Preferably, a base is fixedly connected to the bottom of the tank body. The surface of the embedded wall is fixedly connected to the inner side surface of the tank body. A protective cover is magnetically connected to the surface of the tank body. A separation component is fixedly connected to the inner side surface of the embedded wall. An air pump generates an air flow that impacts into the interior of the inner tube. The air flow impacts the surface of the mesh body through the holes on the surface of the inner tube. The mesh body cuts the impact force of the air flow, thus making the influence range larger. The air flow diffuses through the mesh body and impacts on the surface of the wire cores, thereby blowing the foreign objects on the surface of the wire cores into the atmosphere inside the embedded wall. A fan makes a negative pressure air flow generated inside the outer tube. The gas carrying foreign object particles in the embedded wall is conveyed into the interior of the outer tube and then conveyed out of the outer tube, thus solving the problem that the wire cores are broken due to foreign objects sticking to the surface of the wire cores.

[0009] Preferably, a wire winding cylinder is rotatably connected to the surface of the embedded wall. A hole is opened at a position on the surface of the embedded wall near the wire winding cylinder. The output end of the air pump is fixedly connected to an inner tube. The surface of the inner tube is provided with holes.

[0010] Preferably, elastic blocks are fixedly connected to the surface of the mesh body. A first roller and a second roller are rotatably connected to the surface of the elastic block. A gap is provided between the first roller and the second roller.

[0011] Preferably, a heating wire is fixedly connected to the inner side surface of the housing. A diversion wall is fixedly connected to the inner side surface of the torsion wall. The surface of the diversion wall is in close contact with the surface of the mesh body. A flexible component is fixedly connected to the inner side surface of the housing. A single wire core passes through the first roller and the second roller. The elastic block limits the gap between the rollers. When the wire core passes through the rollers, it will be subjected to a certain squeezing force. Due to the elastic effect of the elastic block, the squeezing force is adjustable flexible squeezing. At the same time, the cylinder drives the friction wheel to squeeze the combined cable downwards. The cylinder is in a servo-controlled state. The combined use of the cylinder and the elastic block makes the wire core in a flexible limiting state, thus avoiding the problem that the wire core breaks due to inappropriate pulling tension.

[0012] Preferably, the surface of the torsion wall is rotatably connected to the surface of the embedded wall. An outlet hole is provided at a position on the inner side of the tank body close to the housing. The piston rod at the output end of the cylinder is fixedly connected to a second motor. By the combined use of mechanisms such as a foreign object prevention mechanism, a separation component, a fracture prevention mechanism, and a flexible component, the problems of foreign objects sticking to the surface of the wire core resulting in wire core fragmentation and wire core breakage caused by inappropriate wire pulling tension are solved.

[0013] Preferably, a rotating shaft at the output end of the second motor is fixedly connected to a friction wheel. A pressing strip is fixedly connected to the surface of the friction wheel. The position on the surface of the elastic block away from the mesh body is fixedly connected to the inner side surface of the embedded wall.

[0014] Preferably, a stranding method for a multi-strand wire of a cable includes the following steps:

[0015] Step 1: Lead the wire. The wire reel is placed inside the protective cover. The wire core on the surface of the wire reel passes through the hole on the surface of the embedded wall and enters the embedded wall. The multi-strand wire cores then enter the torsion wall through the first roller and the second roller. The multi-strand wire cores are stranded under the pressure and drive of the friction wheel and are led out through the outlet hole. When the wire core on the wire reel is used up, the protective cover is removed and the wire reel is reinstalled. The protective cover can effectively reduce the interference of the outside world on the wire reel.

[0016] Step 2: Limit. The single-strand wire core passes through the first roller and the second roller. The elastic block limits the gap between the rollers. When the wire core passes through the rollers, it will be subjected to a certain extrusion force. Due to the elastic effect of the elastic block, the extrusion force is an adjustable flexible extrusion force. At the same time, the cylinder drives the friction wheel to squeeze the combined cable wire downward. The cylinder is in a servo control state. The combined use of the cylinder and the elastic block makes the wire core in a flexible limited tension state.

[0017] Step 3: Clean. The air pump generates air flow that impacts into the inside of the inner tube. The air flow impacts the surface of the mesh body through the holes on the surface of the inner tube. The air flow diffuses through the mesh body and impacts on the surface of the wire core, thereby blowing the foreign objects on the surface of the wire core into the atmosphere inside the embedded wall. The fan makes a negative pressure air flow generated inside the outer tube. The gas carrying foreign object particles in the embedded wall is transported into the inside of the outer tube and then transported out of the outer tube, thus solving the problem of foreign objects sticking to the surface of the wire core resulting in wire core fragmentation.

[0018] Step 4: Strand. When the multi-strand wire cores enter the torsion wall through the embedded wall, the first motor drives the torsion wall to rotate, so that the multi-strand wire cores are twisted by a certain angle. The twisting angle makes the adhesion force between the wire cores greater. Subsequently, the twisted cable wire is transported into the inside of the housing. The heating wire makes the atmosphere temperature inside the housing higher. The cylinder servo-controls the second motor to drive the friction wheel to squeeze the wire core. The higher temperature and the pressure of the pressing strip make the adhesion between the multi-strand wire cores more reliable.

[0019] The present invention provides a multi-strand wire bundling device and method for cables, having the following beneficial effects:

[0020] (1) The multi-strand wire bundling device and method for cables solve the problems of wire core fragmentation caused by foreign objects sticking to the surface of the wire core and wire core breakage caused by inappropriate wire pulling tension through the coordinated use of mechanisms such as a foreign object prevention mechanism, a separation component, a fracture prevention mechanism, and a flexible component.

[0021] (2) In this device of the multi-strand wire bundling device and method for cables, the wire reel is placed inside the protective cover. The wire core on the surface of the wire reel passes through the holes on the surface of the inner embedding wall and enters the inner embedding wall. The multi-strand wire cores then enter the twisting wall through the first roller and the second roller. The multi-strand wire cores complete wire bundling under the pressure and drive of the friction wheel and are led out through the wire outlet hole. When the wire core on the wire reel is used up, the protective cover is removed and the wire reel is reinstalled. The protective cover can effectively reduce the interference of the outside world on the wire reel, thus efficiently realizing the bundling of multi-strand single wires of the cable.

[0022] (3) In the multi-strand wire bundling device and method for cables, the air pump generates air flow that impacts the inside of the inner tube. The air flow impacts the surface of the mesh body through the holes on the surface of the inner tube. The mesh body cuts the impact force of the air flow, thus making the influence range larger. The air flow diffuses through the mesh body and impacts the surface of the wire core, thereby blowing the foreign objects on the surface of the wire core into the atmosphere inside the inner embedding wall. The fan makes a negative pressure air flow generated inside the outer tube. The gas carrying foreign object particles in the inner embedding wall is transported into the inside of the outer tube and then transported out of the outer tube, thus solving the problem of wire core fragmentation caused by foreign objects sticking to the surface of the wire core.

[0023] (4) In the multi-strand wire bundling device and method for cables, when the multi-strand wire cores enter the twisting wall through the inner embedding wall, the first motor drives the twisting wall to rotate. The guiding wall makes the wire core material flow circumferentially, so that the wire core bundle twists by a certain angle. The twisting angle makes the adhesion force between the wire cores greater. Subsequently, the twisted cable wire is transported into the inside of the housing. The heating wire makes the temperature of the atmosphere inside the housing higher. The cylinder servo-controls the second motor to drive the friction wheel to squeeze the wire core. The higher temperature and the pressure of the pressing strip make the adhesion between the multi-strand wire cores more reliable.

[0024] (5) In the multi-strand wire bundling device and method for cables, a single-strand wire core passes through the first roller and the second roller. The elastic block limits the gap between the rollers. When the wire core passes through the rollers, it will be subjected to a certain squeezing force. Due to the elastic effect of the elastic block, this squeezing force is an adjustable flexible extrusion. At the same time, the cylinder drives the friction wheel to squeeze and merge the cable wires downward. The cylinder is in a servo-controlled state. The coordinated use of the cylinder and the elastic block makes the wire core in a flexible limiting state, thus avoiding the problem of wire core breakage caused by inappropriate wire pulling tension. Description of the Drawings

[0025] Figure 1 It is a flowchart of the bunching method of the multi-strand bunching equipment for the cable of the present invention;

[0026] Figure 2 It is a schematic structural diagram of the overall multi-strand bunching equipment for the cable of the present invention;

[0027] Figure 3 It is a schematic structural diagram of the interior of the multi-strand bunching equipment for the cable of the present invention;

[0028] Figure 4 It is a schematic structural diagram of the foreign object prevention mechanism of the multi-strand bunching equipment for the cable of the present invention;

[0029] Figure 5 It is a schematic structural diagram of the separation component of the multi-strand bunching equipment for the cable of the present invention;

[0030] Figure 6 It is a schematic structural diagram of the anti-fracture mechanism of the multi-strand bunching equipment for the cable of the present invention;

[0031] Figure 7 It is a schematic structural diagram of the flexible component of the multi-strand bunching equipment for the cable of the present invention.

[0032] In the figure: 1, base; 2, tank body; 3, wire outlet hole; 4, foreign object prevention mechanism; 41, embedded wall; 42, wire reel; 43, protective cover; 44, air pump; 45, fan; 5, separation component; 51, mesh body; 52, outer tube; 53, inner tube; 54, elastic block; 55, first roller; 56, second roller; 6, anti-fracture mechanism; 61, housing; 62, heating wire; 63, first motor; 64, torsion wall; 65, diversion wall; 7, flexible component; 71, cylinder; 72, second motor; 73, friction wheel; 74, edge pressing strip. Specific embodiments

[0033] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0034] Such as Figure 1-7As shown in the figure, the present invention provides a technical solution: a multi-strand wire bundling device for cables, including a tank body 2. A base 1 is fixedly connected to the bottom of the tank body 2. The surface of the inner embedded wall 41 is fixedly connected to the inner side surface of the tank body 2. A protective cover 43 is magnetically connected to the surface of the tank body 2. A separation component 5 is fixedly connected to the inner side surface of the inner embedded wall 41. An anti-foreign object mechanism 4 is fixedly connected to the inner side surface of the tank body 2. The anti-foreign object mechanism 4 includes the inner embedded wall 41. A wire reel 42 is rotatably connected to the surface of the inner embedded wall 41. The wire reel 42 is placed inside the protective cover 43. The wire cores on the surface of the wire reel 42 pass through the holes on the surface of the inner embedded wall 41 and enter the inner embedded wall 41. Then, the multi-strand wire cores enter the twisting wall 64 through the first roller 55 and the second roller 56. The multi-strand wire cores are bundled under the pressure and drive of the friction wheel 73 and are led out through the wire outlet hole 3. When the wire cores on the wire reel 42 are used up, the protective cover 43 is removed and the wire reel 42 is reinstalled. The protective cover 43 can effectively reduce the interference from the outside to the wire reel 42, thus efficiently realizing the bundling of multi-strand single wires of the cable. Holes are provided at positions on the surface of the inner embedded wall 41 close to the wire reel 42. The output end of an air pump 44 is fixedly connected to an inner pipe 53. The surface of the inner pipe 53 is provided with holes. A net body 51 is fixedly connected to the inner side surface of the inner embedded wall 41. Elastic blocks 54 are fixedly connected to the surface of the net body 51. The first roller 55 and the second roller 56 are rotatably connected to the surface of the elastic blocks 54. A gap is provided between the first roller 55 and the second roller 56.

[0035] An outer pipe 52 is fixedly connected to the position on the inner side surface of the inner embedded wall 41 close to the net body 51. A blower 45 is fixedly connected to the surface of the outer pipe 52. The air pump 44 is fixedly connected to the inner side surface of the blower 45. An anti-fracture mechanism 6 is fixedly connected to the position on the inner side surface of the tank body 2 far from the anti-foreign object mechanism 4. The anti-fracture mechanism 6 includes a housing 61. A heating wire 62 is fixedly connected to the inner side surface of the housing 61. A diversion wall 65 is fixedly connected to the inner side surface of the twisting wall 64. The surface of the diversion wall 65 is in close contact with the surface of the net body 51. A flexible component 7 is fixedly connected to the inner side surface of the housing 61. A first motor 63 is fixedly connected to the surface of the housing 61. A twisting wall 64 is fixedly connected to the rotating cylinder at the output end of the first motor 63. By the coordinated use of mechanisms such as the anti-foreign object mechanism 4, the separation component 5, the anti-fracture mechanism 6, and the flexible component 7, the problems that foreign objects adhere to the surface of the wire core resulting in the fragmentation of the wire core and that the wire core breaks due to inappropriate pulling tension are solved. The surface of the twisting wall 64 is rotatably connected to the surface of the inner embedded wall 41. A wire outlet hole 3 is provided at the position on the inner side surface of the tank body 2 close to the housing 61. A piston rod at the output end of the cylinder 71 is fixedly connected to a second motor 72. A rotating shaft at the output end of the second motor 72 is fixedly connected to a friction wheel 73. A pressing strip 74 is fixedly connected to the surface of the friction wheel 73. The position on the surface of the elastic block 54 far from the net body 51 is fixedly connected to the inner side surface of the inner embedded wall 41.

[0036] A bunching method for a multi-strand bunching device of a cable, comprising the following steps:

[0037] Step 1, lead-in: The winding drum 42 is placed inside the protective cover 43. The wire cores on the surface of the winding drum 42 pass through the holes on the surface of the embedded wall 41 and enter the embedded wall 41. Then, the multi-strand wire cores enter the twisting wall 64 through the first roller 55 and the second roller 56. The multi-strand wire cores are bunched under the pressure and drive of the friction wheel 73 and are led out through the wire outlet hole 3. When the wire cores on the winding drum 42 are used up, the protective cover 43 is removed and the winding drum 42 is reinstalled. The protective cover 43 can effectively reduce the interference of the outside world on the winding drum 42;

[0038] Step 2, limiting: The single-strand wire core passes through the first roller 55 and the second roller 56. The elastic block 54 limits the gap between the rollers. When the wire core passes through the rollers, it will be subjected to a certain extrusion force. Due to the elastic effect of the elastic block 54, the extrusion force is an adjustable flexible extrusion. At the same time, the air cylinder 71 drives the friction wheel 73 to squeeze the combined cable wires downward. The air cylinder 71 is in a servo-controlled state. The combined use of the air cylinder 71 and the elastic block 54 makes the wire core in a flexible limiting tension state;

[0039] Step 3, cleaning: The air pump 44 generates an air flow that impacts the inside of the inner tube 53. The air flow impacts the surface of the mesh body 51 through the holes on the surface of the inner tube 53. The air flow diffuses through the mesh body 51 and impacts the surface of the wire core, thereby blowing the foreign matters on the surface of the wire core into the atmosphere inside the embedded wall 41. The fan 45 makes a negative pressure air flow generated inside the outer tube 52. The gas carrying foreign matter particles in the embedded wall 41 is transported into the inside of the outer tube 52 and then transported out of the outer tube 52, thus solving the problem that the wire core is broken due to foreign matters sticking to the surface of the wire core;

[0040] Step 4, bunching: When the multi-strand wire cores enter the twisting wall 64 through the embedded wall 41, the first motor 63 drives the twisting wall 64 to rotate, so that the multi-strand wire cores are twisted by a certain angle. The twisting angle makes the adhesion force between the wire cores greater. Then, the twisted cable wires are transported into the inside of the housing 61. The heating wire 62 makes the atmosphere temperature inside the housing 61 higher. The air cylinder 71 servo-controls the second motor 72 to drive the friction wheel 73 to squeeze the wire cores. The higher temperature and the pressure of the pressing strip 74 make the adhesion between the multi-strand wire cores more reliable

[0041] During use: The multi-strand bunching device and bunching method of the cable solve the problems that the wire core is broken due to foreign matters sticking to the surface of the wire core and the wire core is broken due to inappropriate wire pulling tension by the combined use of mechanisms such as the foreign matter prevention mechanism 4, the separation component 5, the anti-fracture mechanism 6, and the flexible component 7.

[0042] In this device, the wire reel 42 is placed inside the protective cover 43. The wire cores on the surface of the wire reel 42 pass through the holes on the surface of the embedded wall 41 and enter the embedded wall 41. Then, the multi-strand wire cores enter the torsion wall 64 through the first roller 55 and the second roller 56. Under the pressure and drive of the friction wheel 73, the multi-strand wire cores are bundled and led out through the wire outlet hole 3. When the wire cores on the wire reel 42 are used up, the protective cover 43 is removed and the wire reel 42 is reinstalled. The protective cover 43 can effectively reduce the interference from the outside to the wire reel 42, thus efficiently realizing the bundling of multi-strand single wires of the cable. The air pump 44 generates an air flow that impacts the inside of the inner tube 53. The air flow impacts the surface of the mesh body 51 through the holes on the surface of the inner tube 53. The mesh body 51 cuts the impact force of the air flow, so that the influence range is larger. The air flow diffuses through the mesh body 51 and impacts the surface of the wire core, thereby blowing the foreign matters on the surface of the wire core into the atmosphere inside the embedded wall 41. The fan 45 makes a negative pressure air flow generated inside the outer tube 52. The gas carrying foreign matter particles in the embedded wall 41 is transported into the inside of the outer tube 52 and then transported out of the outer tube 52, thus solving the problem that the wire core is broken due to foreign matters sticking to the surface of the wire core.

[0043] When the multi-strand wire cores enter the torsion wall 64 through the embedded wall 41, the first motor 63 drives the torsion wall 64 to rotate. The diversion wall 65 makes the wire core material flow circumferentially, so that the multi-strand wire cores are twisted by a certain angle. The twisting angle makes the adhesion force between the wire cores greater. Then, the twisted cable is transported into the inside of the housing 61. The heating wire 62 makes the temperature of the atmosphere inside the housing 61 higher. The air cylinder 71 servo-controls the second motor 72 to drive the friction wheel 73 to squeeze the wire core. The higher temperature and the pressure of the pressing strip 74 make the adhesion between the multi-strand wire cores more reliable. The single-strand wire core passes through the first roller 55 and the second roller 56. The elastic block 54 limits the gap between the rollers. When the wire core passes through the rollers, it will be subjected to a certain squeezing force. Due to the elastic effect of the elastic block 54, the squeezing force is an adjustable flexible squeezing force. At the same time, the air cylinder 71 drives the friction wheel 73 to squeeze and merge the cable downwards. The air cylinder 71 is in a servo-controlled state. The combined use of the air cylinder 71 and the elastic block 54 makes the wire core in a flexible limiting state, thus avoiding the problem that the wire core is broken due to the inappropriate size of the pulling tension.

[0044] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising said element.

[0045] Although embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-strand wire bunching device for cables, comprising a tank body (2), characterized in that: The inner side surface of the tank body (2) is fixedly connected with a foreign object prevention mechanism (4). The foreign object prevention mechanism (4) includes an embedded wall (41). The inner side surface of the embedded wall (41) is fixedly connected with a net body (51). At a position on the inner side surface of the embedded wall (41) close to the net body (51), an outer pipe (52) is fixedly connected. The surface of the outer pipe (52) is fixedly connected with a blower (45). The inner side surface of the blower (45) is fixedly connected with an air pump (44). At a position on the inner side surface of the tank body (2) far from the foreign object prevention mechanism (4), a fracture prevention mechanism (6) is fixedly connected. The fracture prevention mechanism (6) includes a housing (61). The surface of the housing (61) is fixedly connected with a first motor (63). The inner side surface of the housing (61) is fixedly connected with a cylinder (71). The rotating cylinder at the output end of the first motor (63) is fixedly connected with a torsion wall (64). The bottom of the tank body (2) is fixedly connected with a base (1). The surface of the embedded wall (41) is fixedly connected with the inner side surface of the tank body (2). The surface of the tank body (2) is magnetically connected with a protective cover (43). The inner side surface of the embedded wall (41) is fixedly connected with a separation assembly (5). The surface of the embedded wall (41) is rotatably connected with a wire reel (42). A hole is opened at a position on the surface of the embedded wall (41) close to the wire reel (42). The output end of the air pump (44) is fixedly connected with an inner pipe (53). The surface of the inner pipe (53) is provided with holes.

2. The multi-strand wire bunching device for cables according to claim 1, wherein: The surface of the net body (51) is fixedly connected with elastic blocks (54). The surface of the elastic blocks (54) is rotatably connected with a first roller (55) and a second roller (56). A gap is provided between the first roller (55) and the second roller (56).

3. The multi-strand wire bunching device for cables according to claim 2, characterized in that: The inner side surface of the housing (61) is fixedly connected with a heating wire (62). The inner side surface of the torsion wall (64) is fixedly connected with a diversion wall (65). The surface of the diversion wall (65) is in close contact with the surface of the net body (51). The inner side surface of the housing (61) is fixedly connected with a flexible assembly (7).

4. The multi-strand bunching equipment for cables according to claim 3, wherein: The surface of the torsion wall (64) is rotatably connected with the surface of the embedded wall (41). A wire outlet hole (3) is provided at a position on the inner side surface of the tank body (2) close to the housing (61). The piston rod at the output end of the cylinder (71) is fixedly connected with a second motor (72).

5. The multi-strand bunching device for cables according to claim 4, characterized in that: The rotating shaft at the output end of the second motor (72) is fixedly connected with a friction wheel (73). The surface of the friction wheel (73) is fixedly connected with a pressing strip (74). The position on the surface of the elastic block (54) far from the net body (51) is fixedly connected with the inner side surface of the embedded wall (41).

6. A stranding method for a multi-strand stranding device of a cable, according to claim 5, characterized in that: Including the following steps: Step 1. Lead-in: The wire reel (42) is placed inside the protective cover (43). The wire core on the surface of the wire reel (42) passes through the hole on the surface of the embedded wall (41) and enters the embedded wall (41). The multi-strand wire core then enters the twisting wall (64) through the first roller (55) and the second roller (56). The multi-strand wire core is bundled under the pressure and drive of the friction wheel (73) and is exported through the wire outlet hole (3). When the wire core on the wire reel (42) is used up, the protective cover (43) is removed and the wire reel (42) is reinstalled. The protective cover (43) can effectively reduce the interference of the outside world on the wire reel (42). Step 2. Limitation: The single-strand wire core passes through the first roller (55) and the second roller (56). The elastic block (54) limits the gap between the rollers. When the wire core passes through the rollers, it will be subjected to a certain extrusion force. Due to the elastic effect of the elastic block (54), the extrusion force is adjustable flexible extrusion. At the same time, the air cylinder (71) drives the friction wheel (73) to squeeze the cable downwards. The air cylinder (71) is in a servo control state. The combined use of the air cylinder (71) and the elastic block (54) makes the wire core in a flexible limited tension state. Step 3. Cleaning: The air pump (44) generates air flow that impacts the inside of the inner tube (53). The air flow impacts the surface of the mesh body (51) through the holes on the surface of the inner tube (53). The air flow diffuses through the mesh body (51) and impacts the surface of the wire core, thereby blowing the foreign matter on the surface of the wire core into the atmosphere inside the embedded wall (41). The fan (45) makes the inside of the outer tube (52) generate negative pressure air flow. The gas carrying foreign matter particles in the embedded wall (41) is transported into the inside of the outer tube (52) and then transported out of the outer tube (52), thus solving the problem that the wire core is broken due to foreign matter sticking to the surface of the wire core. Step 4. Stranding: When the multi-strand wire core enters the twisting wall (64) through the embedded wall (41), the first motor (63) drives the twisting wall (64) to rotate, so that the multi-strand wire core twists a certain angle. The twisting angle makes the adhesion force between the wire cores greater. Subsequently, the twisted cable is transported into the inside of the housing (61). The heating wire (62) makes the atmosphere temperature inside the housing (61) higher. The air cylinder (71) servo-controls the second motor (72) to drive the friction wheel (73) to squeeze the wire core. The higher temperature and the pressure of the pressing strip (74) make the adhesion between the multi-strand wire cores more reliable.

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