CN117594315A

CN117594315A - Stranded wire device for super flame-retardant cable production

Info

Publication number: CN117594315A
Application number: CN202410041746.0A
Authority: CN
Inventors: 李继柱; 李彦军; 钱汉杰
Original assignee: CANGZHOU HUIYOU CABLE STOCK CO LTD
Current assignee: CANGZHOU HUIYOU CABLE STOCK CO LTD
Priority date: 2024-01-11
Filing date: 2024-01-11
Publication date: 2024-02-23
Anticipated expiration: 2044-01-11
Also published as: CN117594315B

Abstract

The invention relates to the technical field of stranded wire equipment, in particular to a stranded wire device for producing a super-flame-retardant cable, which comprises a workbench, a paying-off device and a stranding device, wherein the stranding device comprises a plurality of pressing assemblies, and the outer side of each pressing assembly is coaxially provided with a supporting ring; a first connecting seat is arranged between the outer peripheral wall of the pressing assembly and the inner peripheral wall of the supporting ring; the paying-off device comprises a paying-off device, a pressing component, a first connecting seat, a supporting ring, a connecting rod, a first connecting seat, a second connecting seat and a second connecting seat, wherein the first connecting seat is detachably fixedly connected with the outer peripheral wall of the pressing component, and the first connecting seat is in sliding connection with the inner peripheral wall of the supporting ring; every two adjacent pressing assemblies are provided with connecting assemblies, and the connecting assemblies are used for ensuring that all the pressing assemblies can synchronously rotate. The invention can produce the cable which needs to be stranded in a plurality of circles, and can prevent the wire released by the paying-off device from affecting the normal rotation of the pressing assembly.

Description

Stranded wire device for super flame-retardant cable production

Technical Field

The invention relates to the technical field of stranded wire equipment, in particular to a stranded wire device for producing a super-flame-retardant cable.

Background

The stranding machine is an important device in the production of cables and is used for stranding a plurality of wires or fine wires into core wires of the cables, so that the flexibility, the durability and the conductivity of the cables are improved, the signal loss can be reduced, and the durability and the flexibility of the cables are improved.

Chinese patent CN117079895B discloses an adjustable stranding machine for cable production, comprising a base plate, install the supporting seat on the bottom plate, first motor is installed to the top of supporting seat, thereby fixedly connected with gear on the output shaft of first motor, the side meshing of gear is connected with the ring gear, the front end fixedly connected with carousel of ring gear, the carousel rotates the inside of installing in first support, install unwrapping wire subassembly on the carousel, fixedly mounted with hydraulic stem on the bottom plate, the top fixedly connected with steel band of hydraulic stem, the top of steel band is connected with the go-between, the go-between rotates the outside of installing in the second support, has solved current stranding machine and can not detect whether the transposition is up to standard according to the transposition orbit of cable and judge whether cable transposition density is even, can not make the problem of the bobbin orientation corresponding guide area of each position in the in-process of unwrapping wire moreover.

But can only lay a round wire on the sinle silk when above-mentioned equipment single processing, unable single transposition multiturn wire, and present cable can both lay multiturn wire in order to improve performance and intensity, when adopting above-mentioned device to produce the cable, unable coaxial a plurality of transposition devices of setting up, because the pay-off reel in the above-mentioned device can rotate, and then make the wire can synchronous rotation, and the transposition device passes through the support and installs on the workstation directly, if this is setting up a plurality of coaxial transposition devices, the wire of transposition outer lane can interfere each other with the transposition device at front portion, can't follow the pay-off reel smoothly and rotate.

Disclosure of Invention

To above-mentioned problem provides a stranded conductor device that super fire-retardant cable production was used, through set up first connecting seat between pressfitting subassembly and support ring for reserve certain space between pressfitting subassembly and the support ring, thereby make the multiturn wire that pay-off was released can pass pressfitting subassembly smoothly and can not be to influencing pressfitting subassembly's normal rotation.

In order to solve the problems in the prior art, the invention provides a stranding device for producing a super-flame-retardant cable, which comprises a workbench, a paying-off device and a stranding device, wherein the paying-off device and the stranding device are arranged on the workbench and are positioned on the same axis, the stranding device comprises a plurality of pressing assemblies which are coaxially arranged and have different diameters, all the pressing assemblies are gradually distributed away from the paying-off device along the horizontal direction, and the outer side of each pressing assembly is coaxially provided with a supporting ring; a first connecting seat is arranged between the outer peripheral wall of the pressing assembly and the inner peripheral wall of the supporting ring; the first connecting seat is detachably and fixedly connected with the outer peripheral wall of the pressing assembly, and the first connecting seat is in sliding connection with the inner peripheral wall of the supporting ring; every two adjacent pressing assemblies are provided with connecting assemblies, and the connecting assemblies are used for ensuring that all the pressing assemblies can synchronously rotate.

Preferably, the connecting component comprises a second connecting seat, a telescopic component, a connector and a locking component; the second connecting seats are provided with a plurality of second connecting seats, and the second connecting seats are circumferentially distributed on the peripheral wall of the pressing assembly at intervals; one end of the telescopic component is connected with the second connecting seat through a connector, the other end of the telescopic component is also connected with the end face of the pressing component through the connector, and the two ends of the telescopic component can be mutually far away from and close to each other, so that the distance between two adjacent pressing components is adjusted; the locking components are respectively arranged at two ends of the telescopic component and used for fixing the connector inside the telescopic component.

Preferably, the telescopic assembly comprises a first telescopic rod and a second telescopic rod which are positioned on the same axis, and one end of the second telescopic rod is inserted into the first telescopic rod and is in clearance fit with the first telescopic rod; a plurality of sliding grooves are distributed on the circumference of the inner peripheral wall of the first telescopic rod at intervals; the outer peripheral wall of the second telescopic rod is provided with sliding rails which are in one-to-one correspondence with the sliding grooves; the first telescopic rod and the second telescopic rod can synchronously rotate under the cooperation of the sliding groove and the sliding rail.

Preferably, a sliding groove penetrating into the first telescopic rod is formed in the peripheral wall of the first telescopic rod and is communicated with the sliding groove; a rack is arranged at the top end of the sliding rail; the inside of sliding tray is equipped with the restriction subassembly with the mutual joint of rack, when restriction subassembly and the mutual joint of rack, can restrict the axial slip of first telescopic link and second telescopic link.

Preferably, the limiting assembly comprises a ratchet plate, a pushing plate and a first elastic piece; the ratchet plate and the pushing plate are both arranged in the sliding groove in a sliding way, wherein the ratchet plate is close to the inner peripheral wall of the first telescopic rod, and the pushing plate is close to the outer peripheral wall of the first telescopic rod; the bottom end of the ratchet plate is clamped with the rack; the first elastic piece is arranged between the ratchet plate and the pushing plate and is used for driving the ratchet plate to be far away from the pushing plate.

Preferably, the locking assembly comprises a rotary ring, a clamping block and a second elastic piece; the rotary rings are respectively arranged at two ends of the telescopic assembly, the outer peripheral wall of the rotary rings is rotationally connected with the inner peripheral wall of the telescopic assembly, and the connector is positioned in the rotary rings; the clamping block penetrates through the telescopic assembly and the rotating ring from the outer peripheral wall of the telescopic assembly and then is inserted into the connector; the second elastic piece is arranged inside the rotating ring and is used for driving the clamping block to be gradually far away from the connector.

Preferably, the locking assembly further comprises a lifting plate and a limiting block; the lifting plate is arranged in the telescopic assembly in a sliding manner, and the sliding direction of the lifting plate is parallel to the radial direction of the telescopic assembly; the limiting block is arranged in the lifting plate in a sliding mode, the sliding direction of the limiting block is parallel to the axial direction of the telescopic component, and the limiting block is inserted into and fixed in the rotating ring under the guidance of the lifting plate.

Preferably, the pressing assembly comprises a first rotating ring, a second rotating ring, a traction mechanism and a pinch roller assembly; the first rotating ring and the second rotating ring are positioned on the same axis, and the first connecting seat is arranged on the peripheral wall of the first rotating ring; the traction mechanism is arranged between the first rotating ring and the second rotating ring, so that the second rotating ring can rotate along with the first rotating ring; the pinch roller assembly is arranged on the inner peripheral wall of the second rotating ring and is used for extruding the surface of the twisted cable.

Preferably, the traction mechanism comprises a traction ring, a press-cover wheel and a connecting arm; the traction ring is positioned at one end of the pressing assembly, which is close to the paying-off device, and is positioned on the same axis as the first rotating ring; the pressing wheels are provided with a plurality of inner peripheral walls which are circumferentially distributed on the traction ring; the connecting arms are provided with a plurality of connecting arms and are circumferentially distributed on the peripheral wall of the traction ring, one ends of the connecting arms are fixedly connected with the traction ring, and the other ends of the connecting arms are positioned between the first rotating ring and the second rotating ring and are fixedly connected with the peripheral wall of the second rotating ring.

Preferably, the pinch roller assembly comprises a first mounting ring, a supporting frame and a roller; the first mounting ring is positioned in the second rotating ring, and the outer peripheral wall of the first mounting ring is fixedly connected with the inner peripheral wall of the second rotating ring; the support frames are provided with a plurality of support frames and are circumferentially distributed on the inner peripheral wall of the first mounting ring at intervals; the roller is arranged on the supporting frame and is mutually abutted with the surface of the cable.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the first connecting seat is arranged between the pressing assembly and the supporting ring, so that a certain space can be reserved between the pressing assembly and the supporting ring when the pressing assembly is arranged inside the supporting ring, and a plurality of circles of wires discharged by the paying-off device can smoothly pass through the pressing assembly and cannot influence the normal rotation of the pressing assembly.

2. According to the invention, the connecting assembly is arranged between two adjacent pressing assemblies, so that all the pressing assemblies can rotate synchronously, and the connecting assembly can adjust the length, so that the distance between the two pressing assemblies can be quickly adjusted, and the wires can be uniformly and smoothly stranded on the wire cores.

3. According to the invention, the locking assemblies are respectively arranged at the two ends of the telescopic assembly, so that the connector can be detachably fixed on the telescopic assembly, and when the telescopic assembly is damaged, the telescopic assembly can be quickly replaced, and the downtime required by equipment maintenance is shortened.

Drawings

Fig. 1 is a schematic perspective view of a stranding device for producing super flame-retardant cables.

Fig. 2 is a schematic perspective view of a stranding device in a stranding device for producing a super flame-retardant cable.

Fig. 3 is a schematic perspective view of a connection assembly in use in a stranding apparatus for super flame retardant cable production.

Fig. 4 is a schematic perspective view of a connection assembly in a stranding apparatus for super flame retardant cable production.

Fig. 5 is a partial enlarged view at a in fig. 4.

Fig. 6 is a schematic structural view of a restraining assembly in a stranding device for super flame retardant cable production.

Fig. 7 is a structural cross-sectional view of a locking assembly in a stranded wire device for the production of super fire-retardant cables.

Fig. 8 is a partial perspective cutaway view of a locking assembly in a stranding apparatus for use in the production of super fire resistant cables.

Fig. 9 is a schematic perspective view of a crimp assembly in a stranding device for use in the production of super flame retardant cables.

Fig. 10 is a structural cross-sectional view of a traction mechanism in a wire twisting device for super flame retardant cable production.

Fig. 11 is a partial elevation view of a crimp assembly in a stranding device for use in the production of super flame retardant cables.

The reference numerals in the figures are: 1. a paying-off device; 2. a stranding device; 21. a pressing assembly; 211. a first rotating ring; 212. a second rotating ring; 213. a traction mechanism; 2131. a traction ring; 2132. a press-coating wheel; 2133. a connecting arm; 214. a pinch roller assembly; 2141. a first mounting ring; 2142. a support frame; 2143. a roller; 22. a support ring; 23. a first connection base; 3. a connection assembly; 31. a second connecting seat; 32. a telescoping assembly; 321. a first telescopic rod; 3211. a chute; 3212. a sliding groove; 322. a second telescopic rod; 3221. a slide rail; 3222. a rack; 323. a restriction assembly; 3231. a ratchet plate; 3232. a pushing plate; 3233. a first elastic member; 33. a connector; 34. a locking assembly; 341. a rotating ring; 342. a clamping block; 343. a second elastic member; 344. a lifting plate; 345. a limiting block; 346. and a third elastic member.

Detailed Description

The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.

Referring to fig. 1 and 2, the present invention provides: the stranding device 2 comprises a plurality of pressing assemblies 21 which are coaxially arranged and have different diameters, all the pressing assemblies 21 are gradually distributed away from the paying-off device 1 along the horizontal direction, and a supporting ring 22 is coaxially arranged on the outer side of each pressing assembly 21; a first connecting seat 23 is arranged between the outer peripheral wall of the pressing assembly 21 and the inner peripheral wall of the supporting ring 22; the first connecting seat 23 is detachably and fixedly connected with the outer peripheral wall of the pressing assembly 21, and the first connecting seat 23 is in sliding connection with the inner peripheral wall of the supporting ring 22, and a connecting rod is arranged between the end face of the paying-off device 1 and the end face of the adjacent pressing assembly 21, so that the pressing assembly 21 can synchronously rotate along with the paying-off device 1; a connecting component 3 is arranged between every two adjacent pressing components 21, and the connecting component 3 is used for ensuring that all the pressing components 21 can synchronously rotate.

The paying-off device 1 and the stranding device 2 are arranged on a workbench, the paying-off device 1 and the stranding device 2 are positioned on the same axis, so that a wire core can sequentially pass through the paying-off device 1 and the stranding device 2 along the axis, the paying-off device 1 comprises a paying-off disc, a first motor, a gear and a toothed ring, the paying-off disc is arranged on the workbench, the axis of the paying-off disc is parallel to a horizontal plane, a plurality of paying-off wheels are arranged on the end face, close to the stranding device 2, of the paying-off disc, all the paying-off wheels are circumferentially and radially distributed at intervals on the end face of the paying-off disc, a plurality of circles of wires can be simultaneously discharged for stranding, each circle of wires respectively carry out stranding work through corresponding pressing assemblies 21 in the stranding device 2, the toothed ring is arranged on the end face of the other side of the paying-off disc, and the toothed ring is coaxial with the paying-off disc, the first motor is arranged at the outer side of the pay-off reel, the gear is sleeved on the rotating shaft of the first motor and meshed with the toothed ring, so that the pay-off reel can be driven to rotate while paying off, the wires can be stably stranded on the wire core, the structural stability of the formed cable is improved, the cable is not easy to deform or damage under the action of external force such as bending or stretching, and the like, as all the lamination assemblies 21 are positioned on the same axis, after the corresponding stranding work of the inner wires is completed through the lamination assemblies 21 close to the pay-off device 1, the other wires at the outer side need to pass through the lamination assemblies 21 and then reach the corresponding lamination assemblies 21, the work of stranding a plurality of coils of wires on the wire core is completed, at the moment, a certain space reserved between the lamination assemblies 21 and the outer support ring 22 through the first connecting seat 23 is reserved, so that the rest of wires can pass through the space between the pressing assembly 21 and the supporting ring 22, meanwhile, in order to guide the wires, transition wheels can be arranged in the first connecting seat 23, so that the wires can pass through the first connecting seat 23 and mutually abut against the transition wheels in the first connecting seat, and the wires can be guided, so that uneven twisting of cables is avoided, meanwhile, a plurality of transition wheels can be arranged in the first connecting seat 23, so that each circle of wires can be independently guided, so that the twisting speed and efficiency of the cables are prevented from being influenced due to mutual friction, the wire paying-off wheels which are radially distributed at intervals on the wire paying-off disc can not be positioned on the same radial line, so that each circle of wires can be staggered, and the first connecting seat 23 is correspondingly arranged between the pressing assembly 21 and the supporting ring 22, so that the wires can not interfere with each other; simultaneously, a pressing component 21 close to the pay-off device 1 is connected with the pay-off device 1 through a connecting rod, so that the pressing component 21 can synchronously rotate with the pay-off device 1, when the pay-off device 1 rotates while paying off, the pressing component 21 synchronously rotates, so that the situation that wires are pulled due to the fact that a first connecting seat 23 arranged on the peripheral wall of the pressing component 21 is fixed can be avoided, two adjacent pressing components 21 are connected through a connecting component 3, one end of the connecting component 3 is fixedly connected with the peripheral wall of the previous pressing component 21, the other end of the connecting component 3 is fixedly connected with the end face of the next pressing component 21, so that all pressing components 21 can synchronously rotate, mutual interference, winding and the like can be avoided, meanwhile, the connecting component 3 is connected with the end face of the next pressing component 21, and the connecting component 3 is fixedly connected with the next pressing component 21 on the peripheral wall of the pressing component 21, so that the two groups of connecting components 3 are staggered, the pressing component 21 and the supporting ring 22 can be enabled to be separated from each other, and the wires can be guided more than the first connecting seat 23 can be reserved.

Referring to fig. 3 and 4, it is shown that: the connecting component 3 comprises a second connecting seat 31, a telescopic component 32, a connector 33 and a locking component 34; the second connecting seats 31 are several and circumferentially distributed on the peripheral wall of the pressing assembly 21 at intervals; one end of the telescopic component 32 is connected with the second connecting seat 31 through a connector 33, the other end of the telescopic component 32 is also connected with the end face of the pressing component 21 through the connector 33, and the two ends of the telescopic component 32 can be mutually far away from and close to each other, so that the distance between two adjacent pressing components 21 is adjusted; the locking assemblies 34 are respectively disposed at two ends of the telescopic assembly 32 and are used for fixing the connector 33 inside the telescopic assembly 32.

The outer peripheral wall of each pressing assembly 21 is provided with a plurality of second connecting seats 31 at intervals circumferentially, the second connecting seats 31 are detachably and fixedly connected with the outer peripheral wall of each pressing assembly 21, two ends of each pressing assembly 32 are respectively fixed with connectors 33 through locking assemblies, one connector 33 is inserted into the second connecting seats 31 and is in threaded connection with the second connecting seats 31, one end of each pressing assembly 32 can be fixed on the second connecting seats 31, then the other connector 33 is inserted into the end face of each pressing assembly 21 and is in threaded connection with each pressing assembly 21, one end of each pressing assembly 32 can be fixed on each pressing assembly 21, therefore, under the connection of the two connectors 33, each pressing assembly 32 can be installed between two adjacent pressing assemblies 21, and simultaneously, two ends of each pressing assembly 32 can be synchronously rotated, and after the two pressing assemblies 21 are connected through the connecting assemblies 3, one end of each pressing assembly 32 can be fixed on the second connecting seats 31, then the other can be adjusted through each pressing assembly 32, the distance between the two pressing assemblies 21 and the supporting rings 22 can be adjusted uniformly, and the wire core can be connected with each other stably, and the wire core can be twisted and stably; the connectors 33 are fixed at two ends of the telescopic component 32 through the locking component 34, so that when the connecting component 3 is installed, the two connectors 33 can be fixed on the corresponding second installation seats and the end face of the pressing component 21, then the two ends of the telescopic component 32 are respectively sleeved on the corresponding connectors 33, and then the connectors 33 are fixed inside the telescopic component 32 through the locking component 34, thereby improving the installation efficiency, and when the telescopic component 32 is deformed or damaged, the new telescopic component 32 can be quickly removed and installed, so that the maintenance efficiency is improved.

Referring to fig. 4 and 5, it is shown that: the telescopic assembly 32 comprises a first telescopic rod 321 and a second telescopic rod 322 which are positioned on the same axis, and one end of the second telescopic rod 322 is inserted into the first telescopic rod 321 and is in clearance fit with the first telescopic rod 321; a plurality of sliding grooves 3221 are distributed on the circumference of the inner peripheral wall of the first telescopic rod 321 at intervals; the outer peripheral wall of the second telescopic rod 322 is provided with sliding rails 3211 corresponding to the sliding grooves 3221 one by one; the first telescopic rod 321 and the second telescopic rod 322 can synchronously rotate under the cooperation of the sliding groove 3221 and the sliding rail 3211.

The first telescopic rod 321 and the second telescopic rod 322 are respectively provided with a locking component 34 at one end far away from each other, and a connector 33 is respectively fixed through the locking component 34, so that the telescopic component 32 can be connected with two adjacent pressing components 21, at this time, the second telescopic rod 322 is inserted into the first telescopic rod 321 and is in clearance fit with the first telescopic rod 321, so that the distance between two ends of the telescopic component 32 can be adjusted, meanwhile, a plurality of sliding grooves 3221 are distributed at the circumferential interval of the inner circumferential wall of the first telescopic rod 321, a plurality of sliding rails 3211 are arranged at the circumferential wall of the second telescopic rod 322, and the sliding rails 3211 are in one-to-one correspondence with the sliding grooves 3221, so that the sliding rails 3211 and the sliding grooves 3221 are mutually matched, and the circumferential rotation between the first telescopic rod 321 and the second telescopic rod 322 can be limited, so that the first telescopic rod 321 and the second telescopic rod 322 can synchronously rotate, and further, the wire core 21 can be synchronously and synchronously rotated after the wire core 21 is continuously and synchronously and the wire core 21 is continuously and synchronously rotated, and the wire core 21 can not synchronously rotate.

Referring to fig. 5 and 6, it is shown that: a sliding groove 3212 penetrating into the first telescopic rod 321 is arranged on the outer peripheral wall of the first telescopic rod 321 and is communicated with the sliding groove 3221; a rack 3222 is arranged at the top end of the sliding rail 3211; the inside of sliding groove 3212 is equipped with the restriction subassembly 323 with rack 3222 joint each other, when restriction subassembly 323 and rack 3222 joint each other, can restrict the axial slip of first telescopic link 321 and second telescopic link 322.

The sliding groove 3212 penetrates through the outer peripheral wall of the first telescopic rod 321 to the inside of the first telescopic rod 321 and is mutually communicated with the sliding groove 3221, the sliding groove 3212 and the sliding groove 3221 are located on the same radial line of the first telescopic rod 321, so that the limiting component 323 arranged in the sliding groove 3212 can smoothly enter the sliding groove 3221, the rack 3222 inserted into the sliding groove 3221 is further subjected to clamping fit, when the distance between the two pressing components 21 needs to be adjusted, the limiting component 323 is firstly clamped to the rack 3222, then the distance between the two ends of the telescopic component 32 is adjusted, the distance between the two pressing components 21 is changed, when the two pressing components 21 are adjusted to a preset distance, the limiting component 323 is inserted into the sliding groove 3221 and is clamped with the rack 3222, axial sliding between the first telescopic rod 321 and the second telescopic rod 322 can be limited, the distance between the two ends of the telescopic component 32 is further fixed, and then the device can be opened, so that a wire core can be evenly twisted on the wire core.

Referring to fig. 6, it is shown: the limiting assembly 323 includes a ratchet plate 3231, a push plate 3232, and a first resilient member 3233; the ratchet plate 3231 and the pushing plate 3232 are both slidably disposed within the sliding groove 3212, wherein the ratchet plate 3231 is adjacent to an inner peripheral wall of the first telescopic rod 321, and the pushing plate 3232 is adjacent to an outer peripheral wall of the first telescopic rod 321; the bottom end of the ratchet plate 3231 is clamped with the rack 3222; the first elastic member 3233 is between the ratchet plate 3231 and the push plate 3232 for urging the ratchet plate 3231 away from the push plate 3232.

The ratchet plate 3231 and the pushing plate 3232 are both arranged in the sliding groove 3212 in a sliding way, a connecting rod is arranged between the ratchet plate 3231 and the pushing plate 3232, one end of the connecting rod is fixedly connected with the bottom end of the pushing plate 3232, the other end of the connecting rod is inserted into the ratchet plate 3231 from the top end of the ratchet plate 3231 and is in clearance fit with the ratchet plate 3231, a through hole for accommodating the connecting rod on the ratchet plate 3231 penetrates from the top end of the ratchet plate 3231 to the bottom end of the ratchet plate 3231, the connecting rod is only arranged in the ratchet plate 3231 when the ratchet plate 3231 is clamped with the rack 3222, so that the limit assembly 323 cannot work normally due to the mutual interference between a railing and the top end of the rack 3222, the sliding direction of the pushing plate 3232 is parallel to the axial direction of the first telescopic rod 321, but a certain angle is formed between the sliding direction of the ratchet plate 3231 and the axial direction of the first telescopic rod 321, when the clamping between the ratchet plate 3231 and the rack 3222 needs to be released, the push plate 3232 is firstly driven to move, then the ratchet plate 3231 synchronously moves under the traction of the connecting rod, but because the sliding direction of the ratchet plate 3231 and the axial direction of the first telescopic rod 321 have a certain angle, the ratchet plate 3231 gradually approaches the push plate 3232 and presses the first elastic piece 3233 between the two when horizontally moving, so that the ratchet plate 3231 is far away from the rack 3222, then the distance between the two ends of the telescopic assembly 32 can be adjusted, the distance between the two pressing assemblies 21 can be changed, the push plate 3232 is released after the distance between the two pressing assemblies is adjusted, at the moment, the first elastic piece 3233 between the push plate 3232 and the ratchet plate 3231 starts to apply a force to the ratchet plate 3231, then the ratchet plate 3231 starts to be far away from the push plate 3232, and the horizontal displacement is carried out along the sliding direction of the ratchet plate 3231, and the horizontal displacement is gradually close to the rack 3222 until the horizontal displacement is mutually clamped with the rack 3222, so that the axial sliding of the first telescopic rod 321 and the second telescopic rod 322 is limited; the first elastic member 3233 may employ an elastic member such as a compression spring, so that the ratchet plate 3231 can be stably moved away from the push plate 3232.

Referring to fig. 7, it is shown that: the locking assembly 34 comprises a rotating ring 341, a clamping block 342 and a second elastic member 343; the rotating rings 341 are respectively arranged at two ends of the telescopic assembly 32, the outer peripheral wall of the rotating ring 341 is rotatably connected with the inner peripheral wall of the telescopic assembly 32, and the connecting head 33 is positioned in the rotating ring 341; the clamping block 342 passes through the telescopic assembly 32 and the rotating ring 341 from the outer peripheral wall of the telescopic assembly 32 and then is inserted into the connector 33; the second elastic member 343 is disposed inside the rotating ring 341 and is used for driving the latch 342 gradually away from the connector 33.

When the connector 33 is not fixed inside the telescopic assembly 32, the clamping block 342 is located between the telescopic assembly 32 and the rotating ring 341, so that the rotating ring 341 can be prevented from rotating relative to the telescopic assembly 32, then when the connector 33 is inserted into the telescopic assembly 32 and is located inside the rotating ring 341, the clamping block 342 is pressed from the outer circumferential wall of the telescopic assembly 32, so that the clamping block 342 gradually approaches the connector 33 along the radial direction of the first telescopic rod 321, when the clamping block 342 is completely inserted into the connector 33, the outer surface of the clamping block 342 is located on the same curved surface as the outer circumferential wall of the rotating ring 341, and then the rotating ring 341 can be rotated, so that the telescopic assembly 32 can rotate relative to the rotating ring 341, at this moment, the outer surface of the clamping block 342 is mutually abutted with the outer circumferential wall of the first telescopic rod 321, so that the clamping block 342 cannot be gradually separated from the connector 33 under the action of the second elastic member 343, and when the connector 33 is inserted into the connector 33, the rotating ring 341 is simultaneously located inside the rotating ring 341, so that the connector 33 can be fixed inside the rotating ring 341, and when the connector 33 is required to be removed, the connector 33 is completely inserted into the connector 33, the connector 33 can be prevented from contacting the first elastic member 321, and the lower elastic member 33 can also be prevented from contacting the inner circumferential wall of the connector 33; the second elastic member 343 may be a compression spring, a gas spring, or the like.

Referring to fig. 8, it is shown that: the locking assembly 34 further includes a lifter plate 344 and a stopper 345; the lifting plate 344 is slidably disposed inside the telescopic assembly 32, and the sliding direction of the lifting plate 344 is parallel to the radial direction of the telescopic assembly 32; the limiting block 345 is slidably arranged inside the lifting plate 344, the sliding direction of the limiting block is parallel to the axial direction of the telescopic assembly 32, and the limiting block 345 is inserted and fixed inside the rotating ring 341 under the guidance of the lifting plate 344.

The lifting plate 344 is disposed inside the telescopic assembly 32 and slidingly connected with the telescopic assembly 32, the limiting blocks 345 may be disposed inside the lifting plate 344 in two and parallel to each other, the limiting blocks 345 are slidingly connected with the lifting plate 344, and a third elastic member 346 is disposed between the two limiting blocks 345, the third elastic member 346 may employ an elastic element such as a compression spring, so as to drive the two limiting blocks 345 away from each other, and simultaneously, in order to guide and limit the smooth sliding of the two limiting blocks 345, a guide rod passing through the two limiting blocks 345 may be disposed, the guide rod is intermittently matched with the two limiting blocks 345, and two ends of the guide rod respectively abut against the inner wall of the telescopic assembly 32 and can displace along the radial direction of the telescopic assembly 32 along with the limiting blocks 345, so that when the connector 33 is required to be fixed inside the telescopic assembly 32, the limiting blocks 345 are pressed first to displace under the guide of the lifting plate 344, and the clamping blocks 342 are driven to be inserted inside the connector 33, and then the telescopic assembly 32 is driven to rotate relative to the rotating ring 341, so that the clamping blocks 342 can be stably limited between the connector 33 and the rotating ring 341, and the rotating ring 341 are continuously pressed, and the two limiting blocks are continuously rotated under the action of the rotation of the two limiting blocks are simultaneously, and the two limiting blocks are continuously inserted into the rotating ring 341 are disposed inside the telescopic assembly 32, so that the two limiting blocks are continuously rotates along the radial direction of the telescopic assembly 32, and the two limiting blocks are continuously pressed down, and the rotating ring is rotatably, and the rotating ring is provided with the two limiting blocks are capable of rotating rod and the rotating rod. Therefore, the telescopic assembly 32 and the rotary ring 341 cannot rotate, so that the former pressing assembly 21 can synchronously drive the latter pressing assembly 21 to rotate.

Referring to fig. 9, it is shown that: the pressing assembly 21 comprises a first rotating ring 211, a second rotating ring 212, a traction mechanism 213 and a pinch roller assembly 214; the first rotating ring 211 and the second rotating ring 212 are positioned on the same axis, and the first connecting seat 23 is arranged on the outer peripheral wall of the first rotating ring 211; the traction mechanism 213 is located between the first rotating ring 211 and the second rotating ring 212, so that the second rotating ring 212 can rotate along with the first rotating ring 211; the pinch roller assembly 214 is disposed on an inner peripheral wall of the second rotating ring 212, and the pinch roller assembly 214 is used for pressing the twisted cable surface.

The first rotating ring 211 can synchronously rotate along with the paying-off device 1 under the driving of the paying-off device 1, then the traction mechanism 213 arranged between the first rotating ring 211 and the second rotating ring 212 can synchronously rotate when the first rotating ring 211 rotates, and then the pressing wheel assembly 214 arranged on the inner peripheral wall of the second rotating ring 212 is driven to rotate, so that the surface of the cable is extruded, after a plurality of wires are uniformly and orderly stranded on the wire core, the cable starts to pass through the pressing assembly 21, at the moment, the pressing wheel assembly 214 extrudes the surface of the cable, and then the surface of the cable can be extruded more smoothly, so that the defects of uneven surface, wrinkles and the like of the cable are reduced, meanwhile, the compressive stress of the surface of the cable can be increased, the structural strength and stability of the cable can be improved, and the air gap and air bubbles inside the cable can be reduced when the pressing wheel assembly 214 extrudes the surface of the cable, so that the electrical performance and the wire performance of the cable are improved.

Referring to fig. 10, it is shown that: the traction mechanism 213 comprises a traction ring 2131, a press wheel 2132 and a connecting arm 2133; the traction ring 2131 is positioned at one end of the pressing assembly 21 close to the paying-off device 1 and is positioned on the same axis with the first rotating ring; the pressing wheels 2132 are provided with a plurality of inner peripheral walls which are circumferentially distributed on the traction ring; the connecting arms 2133 are provided with a plurality of connecting arms 2133 and are circumferentially distributed on the peripheral wall of the traction ring 2131, one end of each connecting arm 2133 is fixedly connected with the traction ring 2131, and the other end of each connecting arm 2133 is positioned between the first rotating ring 211 and the second rotating ring 212 and is fixedly connected with the peripheral wall of the second rotating ring 212.

The first rotating ring 211 and the second rotating ring 212 are circumferentially and alternately provided with a plurality of connecting arms 2133, the connecting arms 2133 are fixedly connected with the inner circumferential wall of the first rotating ring 211 and the outer circumferential wall of the second rotating ring 212 respectively, so that when the first rotating ring 211 rotates, the second rotating ring 212 can be driven to synchronously rotate through the connecting arms 2133, meanwhile, one end of the pressing assembly 21, which is close to the paying-off device 1, is coaxially provided with a traction ring 2131, the inner circumferential wall of the traction ring 2131 is circumferentially provided with a plurality of covering wheels 2132 for pulling wires, when the paying-off device continuously pays out the wires, the circumferentially distributed wires are mutually close to each other and pass through the traction ring 2131, and then the wires are pressed on the wires through the covering wheels 2132 inside the traction ring 2131, at the moment, because the rotating direction of the wires is opposite to the rotating direction of the paying-off device 1 when the wires are linearly moved, the traction ring 2131 can be smoothly wound on the wires, and simultaneously, the traction ring 2131 is fixedly connected with the second rotating ring 212 through the connecting arms 2133, so that when the second rotating ring 212 rotates, the wires can be uniformly wound on the wires, and the wires can be uniformly and synchronously wound.

Referring to fig. 11, it is shown that: the puck assembly 214 includes a first mounting ring 2141, a support frame 2142, and rollers 2143; the first mounting ring 2141 is located inside the second rotating ring 212, and the outer peripheral wall of the first mounting ring 2141 is fixedly connected with the inner peripheral wall of the second rotating ring 212; the supporting frames 2142 are provided with a plurality of supporting frames and are circumferentially distributed on the inner peripheral wall of the first mounting ring 2141 at intervals; the roller 2143 is disposed on the support 2142 and abuts against the surface of the cable.

The roller 2143 is mounted on the inner peripheral wall of the first mounting ring 2141 by a support frame 2142, and the outer peripheral wall of the first mounting ring 2141 is fixedly connected with the inner peripheral wall of the second rotating ring 212, so that when the second rotating ring 212 rotates, the first mounting ring 2141 can drive the roller 2143 to synchronously rotate on the surface of the cable, thereby completing the extrusion operation on the surface of the cable.

The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of the invention should be assessed as that of the appended claims.

Claims

1. The utility model provides a stranded conductor device that super fire-retardant cable production was used, includes workstation and setting up on the workstation and be in pay-off (1) and stranding device (2) of same axis, stranding device (2) are including a plurality of coaxial setting and diameter size difference pressfitting subassembly (21), and all pressfitting subassembly (21) keep away from pay-off (1) gradually along the horizontal direction and distribute, and the outside of every pressfitting subassembly (21) is coaxial to be equipped with supporting ring (22);

the device is characterized in that a first connecting seat (23) is arranged between the outer peripheral wall of the pressing assembly (21) and the inner peripheral wall of the supporting ring (22);

the first connecting seat (23) is detachably and fixedly connected with the outer peripheral wall of the pressing assembly (21), and the first connecting seat (23) is slidably connected with the inner peripheral wall of the supporting ring (22);

a connecting rod is arranged between the end face of the paying-off device (1) and the end face of the adjacent pressing assembly (21), so that the pressing assembly (21) can synchronously rotate along with the paying-off device (1);

every two adjacent pressing assemblies (21) are provided with connecting assemblies (3), and the connecting assemblies (3) are used for ensuring that all the pressing assemblies (21) can synchronously rotate.

2. The stranding device for the production of super flame retardant cables according to claim 1, wherein the connecting assembly (3) comprises a second connecting seat (31), a telescopic assembly (32), a connector (33) and a locking assembly (34);

the second connecting seats (31) are provided with a plurality of circumferentially spaced apart on the peripheral wall of the pressing assembly (21);

one end of the telescopic component (32) is connected with the second connecting seat (31) through a connector (33), the other end of the telescopic component (32) is also connected with the end face of the pressing component (21) through the connector (33), and the two ends of the telescopic component (32) can be far away from and close to each other, so that the distance between two adjacent pressing components (21) is adjusted;

the locking assemblies (34) are respectively arranged at two ends of the telescopic assembly (32) and used for fixing the connector (33) in the telescopic assembly (32).

3. The stranding device for producing super flame retardant cables according to claim 2, wherein the telescopic assembly (32) comprises a first telescopic rod (321) and a second telescopic rod (322) which are positioned on the same axis, and one end of the second telescopic rod (322) is inserted into the first telescopic rod (321) and is in clearance fit with the first telescopic rod (321);

a plurality of sliding grooves (3221) are distributed on the circumference of the inner peripheral wall of the first telescopic rod (321) at intervals;

the outer peripheral wall of the second telescopic rod (322) is provided with sliding rails (3211) which are in one-to-one correspondence with the sliding grooves (3221);

the first telescopic rod (321) and the second telescopic rod (322) can synchronously rotate under the cooperation of the sliding groove (3221) and the sliding rail (3211).

4. A wire twisting device for producing super fire-retardant cables according to claim 3, wherein the outer peripheral wall of the first telescopic rod (321) is provided with a sliding groove (3212) penetrating into the first telescopic rod (321) and communicated with the sliding groove (3221);

a rack (3222) is arranged at the top end of the sliding rail (3211);

the inside of sliding tray (3212) is equipped with restriction subassembly (323) with rack (3222) joint each other, when restriction subassembly (323) and rack (3222) joint each other, can restrict the axial slip of first telescopic link (321) and second telescopic link (322).

5. The stranding device for the production of super flame retardant cables according to claim 4, wherein the restraining assembly (323) comprises a ratchet plate (3231), a pushing plate (3232) and a first elastic member (3233);

the ratchet plate (3231) and the pushing plate (3232) are both arranged inside the sliding groove (3212) in a sliding manner, wherein the ratchet plate (3231) is close to the inner peripheral wall of the first telescopic rod (321), and the pushing plate (3232) is close to the outer peripheral wall of the first telescopic rod (321);

the bottom end of the ratchet plate (3231) is clamped with the rack (3222);

the first elastic member (3233) is located between the ratchet plate (3231) and the pushing plate (3232) and is used for driving the ratchet plate (3231) away from the pushing plate (3232).

6. A stranding device for the production of ultra flame retardant cables according to claim 2, wherein the locking assembly (34) comprises a swivel ring (341), a latch block (342) and a second elastic member (343);

the rotating rings (341) are respectively arranged at two ends of the telescopic assembly (32), the outer peripheral wall of the rotating ring (341) is rotationally connected with the inner peripheral wall of the telescopic assembly (32), and the connecting head (33) is positioned in the rotating ring (341);

the clamping block (342) penetrates through the telescopic assembly (32) and the rotating ring (341) from the peripheral wall of the telescopic assembly (32) and then is inserted into the connector (33);

the second elastic piece (343) is arranged inside the rotary ring (341) and is used for driving the clamping block (342) to be gradually far away from the connecting head (33).

7. The stranding device for ultra fire resistant cable production of claim 6, wherein the locking assembly (34) further comprises a lifter plate (344) and a stopper (345);

the lifting plate (344) is arranged inside the telescopic assembly (32) in a sliding manner, and the sliding direction of the lifting plate (344) is parallel to the radial direction of the telescopic assembly (32);

the limiting block (345) is arranged in the lifting plate (344) in a sliding mode, the sliding direction of the limiting block is parallel to the axial direction of the telescopic assembly (32), and the limiting block (345) is inserted and fixed in the rotating ring (341) under the guidance of the lifting plate (344).

8. The stranding device for ultra-flame retardant cable production according to claim 1, wherein the press-fit assembly (21) comprises a first rotating ring (211), a second rotating ring (212), a traction mechanism (213) and a pinch roller assembly (214);

the first rotating ring (211) and the second rotating ring (212) are positioned on the same axis, and the first connecting seat (23) is arranged on the peripheral wall of the first rotating ring (211);

the traction mechanism (213) is arranged between the first rotating ring (211) and the second rotating ring (212) so that the second rotating ring (212) can rotate along with the first rotating ring (211);

the pinch roller assembly (214) is arranged on the inner peripheral wall of the second rotating ring (212), and the pinch roller assembly (214) is used for extruding the surface of the twisted cable.

9. The stranding device for the production of super flame retardant cables according to claim 8, characterized in that the traction mechanism (213) comprises a traction ring (2131), a gland wheel (2132) and a connecting arm (2133);

the traction ring (2131) is positioned at one end of the pressing assembly (21) close to the paying-off device (1) and is positioned on the same axis with the first rotating ring;

the pressing wheels (2132) are provided with a plurality of inner peripheral walls which are circumferentially distributed on the traction ring;

the connecting arms (2133) are provided with a plurality of connecting arms and are circumferentially distributed on the peripheral wall of the traction ring (2131), one ends of the connecting arms (2133) are fixedly connected with the traction ring (2131), and the other ends of the connecting arms (2133) are positioned between the first rotating ring (211) and the second rotating ring (212) and are fixedly connected with the peripheral wall of the second rotating ring (212).

10. The stranding device for ultra-flame retardant cable production of claim 8, wherein the pinch roller assembly (214) comprises a first mounting ring (2141), a support frame (2142), and a roller (2143);

the first mounting ring (2141) is positioned inside the second rotating ring (212), and the outer peripheral wall of the first mounting ring (2141) is fixedly connected with the inner peripheral wall of the second rotating ring (212);

the supporting frames (2142) are provided with a plurality of supporting frames and are circumferentially distributed on the inner peripheral wall of the first mounting ring (2141) at intervals;

the roller (2143) is disposed on the support frame (2142) and abuts against the surface of the cable.