CN113353576A

CN113353576A - Winding and packaging integrated system and method for automatic production line of double-layer environment-friendly flame-retardant cable

Info

Publication number: CN113353576A
Application number: CN202110513580.4A
Authority: CN
Inventors: 陈永松; 袁旭光; 王自华; 郑虎; 卢相飞; 谢小霞
Original assignee: Hubei Longshi Energy Saving Environmental Special Cable Co ltd
Current assignee: Hubei Longshi Energy Saving Environmental Special Cable Co ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2021-09-07
Anticipated expiration: 2041-05-11
Also published as: CN113353576B

Abstract

A winding and packaging integrated system and a winding and packaging integrated method for an automatic production line of a double-layer environment-friendly flame-retardant cable are characterized in that one end of a conveying device is connected with a winding device, a mechanism box and a unwinding cylinder of the unwinding device are respectively positioned at the upper end and the lower end of a winding shaft of the winding device and correspond to the winding shaft, a winding pushing arm of the winding pushing device is positioned on one side of the winding shaft at the upper part of a winding table, a film coating device, a melt-cutting device and a heat sealing box are sequentially arranged on the conveying device, and winding, unwinding, winding, wrapping, seal-cutting and packaging are continuously completed on the cable through integration. The invention overcomes the problems of low production efficiency and high cost caused by the fact that a plurality of working steps of the original double-layer environment-friendly flame-retardant cable production process can not be connected and integrated operation can not be realized, and has the characteristics of simple structure, continuous and continuous pipeline operation in midway, obvious improvement on production efficiency, no need of a large number of winding disks, contribution to reducing cost and simple and convenient operation.

Description

Winding and packaging integrated system and method for automatic production line of double-layer environment-friendly flame-retardant cable

Technical Field

The invention belongs to the technical field of cable production, and relates to a winding and packaging integrated system and method for an automatic production line of a double-layer environment-friendly flame-retardant cable.

Background

In the production process of electric wires and cables, the double-layer environment-friendly flame-retardant cable is cabled by using illumination radiation equipment, the cabling efficiency is high, the requirement on the speed of a corresponding ground wire is high, the winding equipment at the rear part of the assembly line adopts conventional horizontal shaft to radially wind, a certain length is released by cabling of the cabling equipment, so that the winding disc needs to be replaced after the winding of the cable on the winding disc reaches the limit, the cable on the winding disc needs to be unwound one by one at the later stage, a special unwinding device needs to be used for unwinding one by one during unwinding, and the packaging winding equipment is used for winding and packaging one by one after unwinding.

Disclosure of Invention

The invention aims to solve the technical problem of providing a winding and packaging integrated system and method for a double-layer environment-friendly flame-retardant cable automatic production line, which are simple in structure, one end of a conveying device is connected with a winding device, a mechanism box and a unwinding cylinder of the unwinding device are respectively positioned at the upper end and the lower end of a winding shaft of the winding device and correspond to the winding shaft, a winding pushing arm of the winding pushing device is positioned on one side of the winding shaft at the upper part of a winding table, a film coating device, a melt cutting device and a heat sealing box are sequentially arranged on the conveying device, and the integrated system can continuously complete winding, unwinding, winding pushing, coating, sealing and packaging on cables, continuously continue the production line in the midway, remarkably improve the production efficiency, does not need a large number of winding disks, is favorable for reducing the cost, and is simple and convenient to operate.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a coiling and packaging integrated system of a double-layer environment-friendly flame-retardant cable automatic production line comprises a coiling device, a decoiling device, a coil pushing device, a conveying device, a film laminating device, a melt-cutting device and a heat sealing box; one end of the conveying device is connected with the winding device, a mechanism box and a unwinding cylinder of the unwinding device are respectively positioned at the upper end and the lower end of a winding shaft of the winding device and correspond to the winding shaft, a winding pushing arm of the winding pushing device is positioned at one side of the winding shaft at the upper part of the winding table, and the film laminating device, the melt-cutting device and the heat-sealing box are sequentially arranged on the conveying device; sequentially and continuously finishing winding, unwinding, winding pushing, coating, sealing, cutting and packaging.

The winding device comprises a winding table, a winding shaft and a winding motor, wherein the winding table is penetrated through by the winding device, the winding shaft is matched with the winding table, and the winding motor is positioned at the lower end of the winding shaft and connected with the winding shaft.

The unwinding device comprises an unwinding cylinder connected with the mechanism box and an unwinding cylinder connected with the bridge box, the winding motor is located in the mechanism box and connected with the unwinding cylinder, and the bridge box is located on one side of the winding table.

The doffing drum is a hollow round drum body with an opening at the lower end, the upper end of the drum body is connected with the lower pushing cylinder, a flat pressing plate in sliding fit with the drum body is arranged in the drum body, and the pushing spring is connected with the flat pressing plate and the drum bottom.

The coil pushing device comprises a sliding seat matched with the screw rod and the guide shaft and a coil pushing arm connected with the sliding seat, end plates at two ends of the screw rod and the guide shaft are connected with the coil table, and a coil pushing motor is connected with one end of the screw rod.

The conveying device comprises a coil conveying mechanism and a transfer conveying mechanism which are connected with the rack, one end of the coil conveying mechanism is in lap joint with the coil table, and a film guiding opening is formed in one side of the rack.

The film laminating device comprises a film folding plate, a pressing mechanism, a film absorbing device and a film supporting plate; the film folding plate is positioned on the upper part of the coil conveying mechanism and connected with the rack, the pressing mechanism and the film suction device are positioned on the same side of the rack, and the film supporting plate is positioned between the coil conveying mechanism and the transfer conveying mechanism.

The fusion cutting device comprises a fusion cutter and a push-pull cylinder which are connected with a cantilever, and a film pressing plate which is in sliding fit with the fusion cutter, wherein the cantilever and the push-pull cylinder are positioned on the same side of the rack and are connected with the rack.

The heat sealing box comprises a plurality of electric heating tubes arranged in the heat collecting box, and heat insulation curtains are arranged on the opening sides of the two ends of the heat collecting box.

The integrated production method of the coiling and packaging integrated system of the double-layer environment-friendly flame-retardant cable automatic production line comprises the following steps:

s1, penetrating a film, wherein a release mechanism positioned on one side of the rack drives a heat-shrinkable film roll to release a section of heat-shrinkable film, and the heat-shrinkable film is positioned on the outer side of the rack;

s1-1, coating the coil conveying mechanism with a heat-shrinkable film from one side of the coil conveying mechanism, wherein the coated heat-shrinkable film is a groove-shaped film with an opening at the side surface and an opening at the end head;

s1-2, leading the opening end of the groove-shaped film into the inner side of the frame from the film leading port, and then passing through the space between the upper side surface of the film supporting plate and the melt cutter;

s1-3, the side opening of the groove-shaped film extends to the adsorption head of the film adsorption device on the other side of the rack, and then the heat-shrinkable film on the upper side of the coil conveying mechanism is turned upwards from the bevel edge of the film folding plate;

s2, pre-sealing, starting the melt-cutting device, driving the cantilever to move downwards by the push-pull cylinder, descending the melt-cutting knife after the film pressing plate presses the end of the groove-shaped film, and fusing the end of the groove-shaped film while sealing; the push-pull air cylinder drives the cantilever to reset, and excess materials after the end of the groove-shaped film is melt-cut are cleaned;

s3, pressing edges, namely pulling the sealing end of the groove-shaped film in the direction of the transfer conveying mechanism, and leading the side openings of the groove-shaped film to be overlapped together and then to be led between a driving edge pressing wheel and a driven edge pressing wheel of a pressing mechanism for pressing;

s4, winding, wherein the cabling equipment releases the cable and controls the length and the height of the released cable, and the winding device synchronously winds the cable; before rolling, the roll pushing arm is positioned at the outer side of the reel and close to the edge of the rolling table;

s4-1, connecting the cable with the reel through the bridge box; during connection, the cable is wound on the outer wall of the winding shaft for at least one circle and then tightened, and the end of the cable is led into an annular groove in the winding shaft from a notch of the winding shaft;

s4-2, starting the cabling equipment and the winding motor, and winding the cable on the outer wall of the reel by rotating the reel while cabling and releasing the cable by the cabling equipment; during winding, the height of the cable is controlled by the cabling equipment, so that the cable is wound from the lower end of the reel to the upper end of the reel in one circle and then is wound from the upper end of the reel to the lower end of the reel in one circle; meanwhile, the melt-cutting device and the heat-sealing box are started to respectively heat the heat-gathering box and the melt-cutting knife;

s4-3, when the length of the cable released by the cable device reaches a set value, stopping the winding motor, and cutting the cable close to the coil to form a ring-shaped coil; at the moment, the outer diameter of the wire coil is consistent with the inner diameter of the doffing drum;

s5, unwinding, starting the unwinding device, driving the winding motor to drive the winding shaft to retract into the mechanism box by the unwinding cylinder, and gradually separating the coil from the winding shaft; meanwhile, the lower pushing cylinder drives the unwinding drum to descend, the flat pressing plate is gradually abutted against the coil, the pushing spring is compressed, and the coil gradually enters the unwinding drum; when the coil is completely separated from the reel, the push-down cylinder drives the doffing drum to rise, the push spring is reset, and the coil is positioned on the winding table;

s6, pushing the coil, starting a coil pushing motor, driving a sliding seat to drive a coil pushing arm to push the coil to the other end of the coil table and enter a coil conveying mechanism, and driving the sliding seat again by the coil pushing motor to drive the coil pushing arm to reset;

s7, conveying the coil, starting the coil conveying mechanism to drive the coil to move towards the transfer conveying mechanism, enabling the coil to pass through the film folding plate and then cross the film supporting plate to gradually abut against the seal of the groove-shaped film, and enabling the coil to push the groove-shaped film to gradually enter the transfer conveying mechanism; meanwhile, the releasing mechanism drives the heat-shrinkable film roll to release the heat-shrinkable film, the film absorbing device is started, and the absorbing head absorbs the upper edge and the lower edge of the opening side of the groove-shaped film;

s8, taking over the transfer, in S7, when the coil enters the transfer conveying mechanism, the coil conveying mechanism stops, the transfer conveying mechanism starts, and the coil is driven to push the groove-shaped film to move towards the direction of the heat sealing box; meanwhile, the releasing mechanism synchronously releases the heat-shrinkable film, and the pressing mechanism synchronously rotates along with the transfer conveying mechanism to press the edges of the groove-shaped film and pulls the groove-shaped film backwards;

s9, performing melt cutting, wherein when the coil completely crosses the film supporting plate and enters the hot cutting range of the melt cutter, the transfer conveying mechanism stops; the push-pull cylinder drives the cantilever to descend, the film pressing plate presses the groove-shaped film, then the melt cutter melts the groove-shaped film, and the groove-shaped film is melted to form a closed structure to seal the coil in the cavity; the push-pull cylinder drives the cantilever to drive the fusion cutter to reset;

s10, encapsulating, starting the transfer conveying mechanism again, conveying the wire coil sealed in the groove-shaped film into the heat-gathering box, conducting high temperature emitted by the electric heating tube to the heat-shrinkable film, rapidly shrinking the heat-shrinkable film, tightly wrapping the wire coil, and then entering the next procedure; meanwhile, the winding device or the unwinding device is in a winding or unwinding state, and the other steps are in a continuous working state, so that the coils are encapsulated one by one.

A coiling and packaging integrated system of a double-layer environment-friendly flame-retardant cable automatic production line comprises a coiling device, a decoiling device, a coil pushing device, a conveying device, a film laminating device, a melt-cutting device and a heat sealing box; one end of the conveying device is connected with the winding device, a mechanism box and a unwinding cylinder of the unwinding device are respectively positioned at the upper end and the lower end of a winding shaft of the winding device and correspond to the winding shaft, a winding pushing arm of the winding pushing device is positioned at one side of the winding shaft at the upper part of the winding table, and the film laminating device, the melt-cutting device and the heat-sealing box are sequentially arranged on the conveying device; sequentially and continuously finishing winding, unwinding, winding pushing, coating, sealing, cutting and packaging. Simple structure, one end through conveyor is connected with the coiling mechanism, both ends correspond rather than the upper and lower both ends of the spool that the mechanism case of decoiling mechanism and decoiling section of thick bamboo were located the coiling mechanism respectively, the push away of coiling mechanism rolls up spool one side that the arm is located a roll platform upper portion, the tectorial membrane device, melt and cut device and heat-seal case and lay on conveyor in proper order, accomplish the rolling through the integration in succession to the cable, the decoiling, push away the book, the cladding, seal and cut and the package, incessant pipelining links up midway, show improvement production efficiency, need not a large amount of rolling dishes, be favorable to reduce cost, easy operation is convenient.

In a preferred scheme, the winding device comprises a winding shaft which penetrates through the winding table to be matched with the winding table, and a winding motor which is positioned at the lower end of the winding shaft and connected with the winding shaft. Simple structure, during the use, the spool is located a roll platform upside, and the cable and the spool of cabling equipment release are connected, and rolling motor drive spool is rotatory, and the cable winding that will the release of cabling equipment is on the spool, finally forms the annular wire book.

Preferably, the rolling platform comprises a plurality of support legs connected with the bottom of the flat plate, and a through hole penetrating through the flat plate is arranged at one end of the flat plate and matched with the rolling shaft.

Preferably, the spool is one end confined cavity barrel, is located section of thick bamboo wall and sets up a plurality of notches, and the center that is located the barrel sets up the output that runs through the axle pipe box and be connected with the coiling motor, encircles the axle pipe box and sets up a plurality of arcs and section of thick bamboo wall inboard and form the ring channel, before the rolling, the cable winding that will release from the cabling equipment is tightened outside the spool, again with the cable end from the notch introduction ring channel interior block of spool, the cable atress leads to drawing to take off when avoiding the rotatory rolling of spool.

In a preferred scheme, the unwinding device comprises an unwinding cylinder connected with the mechanism box and an unwinding cylinder connected with the bridge box, the winding motor is positioned in the mechanism box and connected with the unwinding cylinder, and the bridge box is positioned on one side of the winding table. Simple structure, during the use, mechanism case and roll up the platform downside and be connected fixedly, and the cylinder drive rolling motor that takes off a roll moves down and drives the spool and retract to mechanism incasement, makes the coil of wire break away from with the spool.

Preferably, the mechanism box is a hollow cylinder with an opening at the upper side, and heat dissipation holes are formed in the cylinder wall and the cylinder bottom, so that the winding motor can dissipate heat conveniently.

Preferably, a cable passing hole is formed in one side of the bridge box, a cable released by the cabling equipment passes through the cable passing hole to be connected with the reel, and the cable adjusting mechanism for controlling the cable releasing height by the cabling equipment is located in the bridge box.

In the preferred scheme, the doffing drum is a hollow round drum body with an opening at the lower end, the upper end of the drum body is connected with the pushing cylinder, a flat pressing plate in sliding fit with the drum body is arranged in the drum body, and the pushing spring is connected with the flat pressing plate and the drum bottom. Simple structure, when taking off a roll, push down the cylinder drive and take off the reel and descend, the concora crush board is contradicted with the coil of wire gradually, bulldozes the spring and is compressed, and the coil of wire gets into gradually and takes off in the reel, after the coil of wire separates with the spool completely, pushes down the cylinder drive and takes off the reel and rise, bulldozes the spring and resets, and the coil of wire is located a roll bench.

In a preferred scheme, the coil pushing device comprises a sliding seat matched with the screw rod and the guide shaft and a coil pushing arm connected with the sliding seat, end plates at two ends of the screw rod and the guide shaft are connected with the coil table, and the coil pushing motor is connected with one end of the screw rod. The wire coil pushing mechanism is simple in structure, when the wire coil pushing mechanism is used, the wire coil pushing motor drives the screw rod to rotate to drive the sliding seat to move linearly along the guide shaft, and the wire coil pushing arm pushes the wire coil to move towards one end of the conveying device along with synchronous movement of the sliding seat.

Preferably, the coil pushing arm comprises an arc-shaped plate connected with the horizontal plate, and the inner arc surface of the arc-shaped plate is in contact with the outer ring of the coil; when the coil is pushed, the arc plates positioned at the two sides of the coil table are simultaneously contacted with the outer ring of the coil; the interval between the arc of rolling up the platform both sides is greater than the diameter of spool, makes it can unhindered removal before the rolling.

In a preferred scheme, the conveying device comprises a coil conveying mechanism and a transfer conveying mechanism which are connected with the rack, one end of the coil conveying mechanism is in lap joint with the coil table, and a film guiding opening is formed in one side of the rack. Simple structure, during the use, coil of wire conveying mechanism is used for the conveying coil of wire, shifts conveying mechanism and is used for taking over coil of wire conveying mechanism conveying coil of wire to carry the coil of wire to the heat-seal box of rearmost end.

Preferably, during film threading, after the thermal shrinkage film is released from the release mechanism, the thermal shrinkage film is folded along the length direction to form a groove-shaped film with a groove-shaped structure, the coil conveying mechanism and a rack on one side of the coil conveying mechanism are wrapped in the groove-shaped film, the groove-shaped film is introduced into the inner side of the rack from a film introducing port by pulling the opening end of the groove-shaped film, the groove-shaped film is introduced into the transfer conveying mechanism through a gap between the upper side of the film supporting plate and the fusion cutter, then the opening side of the groove-shaped film is overlapped and then introduced into the pressing mechanism for pressing, and the fusion cutting device is started to pre-seal the end head of the groove-shaped film.

Preferably, coil of wire conveying mechanism and transfer conveying mechanism all include with conveyer belt both ends complex axis of rotation, axis of rotation and frame cooperation, motor and one of them axis of rotation hub connection, during the use, motor drive axis of rotation drives the conveyer belt and rotates.

In a preferred scheme, the film laminating device comprises a film folding plate, a pressing mechanism, a film sucking device and a film supporting plate; the film folding plate is positioned on the upper part of the coil conveying mechanism and connected with the rack, the pressing mechanism and the film suction device are positioned on the same side of the rack, and the film supporting plate is positioned between the coil conveying mechanism and the transfer conveying mechanism. The structure is simple, when in use, the upper side surface of the groove-shaped film is turned upwards along the bevel edge of the film folding plate, so that the coil can pass through smoothly; when the coil pushes the groove-shaped film to advance, the film absorbing device absorbs the edge of the opening side of the groove-shaped film, and the phenomenon that the pressing mechanism cannot press the edge of the groove-shaped film due to the fact that the groove-shaped film moves to the other side of the coil conveying mechanism is avoided; the film supporting plate is used for dragging the wire coil in the groove-shaped film, so that the wire coil can smoothly enter the transfer conveying mechanism.

Preferably, the pressing mechanism comprises a driven edge pressing wheel matched with the driving edge pressing wheel, the driving edge pressing wheel is matched with a rotating shaft of the transfer conveying mechanism and rotates synchronously with the rotating shaft, and the driving edge pressing wheel drives the driven edge pressing wheel to rotate to pull the grooved film when rotating.

Preferably, the membrane sucking device comprises a suction pipe connected with a suction pump, the adsorption head is connected with the suction pipe, and the adsorption head adsorbs the edge of the opening side of the groove-shaped membrane after the suction pump is started.

In a preferred scheme, the melt-cutting device comprises a melt-cutting knife and a push-pull cylinder which are connected with a cantilever, and a film pressing plate which is in sliding fit with the melt-cutting knife, wherein the cantilever and the push-pull cylinder are positioned on the same side of the rack and are connected with the rack. The structure is simple, and when the sealing device is used, the push-pull air cylinder drives one end of the cantilever to rotate upwards or downwards around one side of the rack, so that the fusion cutter is in contact with the groove-shaped film and is fused to seal the opening.

Preferably, the fusion cutter is a right-angle cutter, the film pressing plate is a right-angle plate, and the lower side surface of the film pressing plate extends out of the lower side surface of the edge of the fusion cutter.

Preferably, during melt cutting, the film pressing plate is firstly contacted and pressed with the groove-shaped film, and then the melt cutter is contacted with the groove-shaped film to fuse the seal.

Preferably, the fastener passes through the film pressing plate and the spring and then is connected with the upper side face of the fusion cutter, the spring is compressed in the fusion cutting process, and when the fusion cutter is driven by the push-pull cylinder to lift, the spring is extended and reset.

Preferably, a cavity is arranged in a knife edge of the fusion cutter, a resistance wire is arranged in the cavity, and the knife edge is heated after being electrified.

Preferably, the knife edge of the melt-cutting knife is triangular, the knife edge is firstly contacted with the groove-shaped film during melt-cutting, and when the melt-cutting knife continues to move downwards, the groove-shaped film is tilted upwards and is contacted with the inclined planes on the two sides of the knife edge for hot-melting sealing while the knife edge melts the groove-shaped film.

In a preferred scheme, the heat sealing box comprises a plurality of electric heating tubes arranged in the heat collecting box, and heat insulation curtains are arranged on the opening sides of the two ends of the heat collecting box. The structure is simple, when the wire coil coated by the thermal shrinkage film enters the heat collecting box, high temperature emitted by the electric heating tube is conducted to the thermal shrinkage film, the thermal shrinkage film shrinks rapidly, the wire coil is tightly wrapped, and then the next procedure is carried out.

In a preferred scheme, the integrated production method of the coiling and wrapping integrated system of the double-layer environment-friendly flame-retardant cable automatic production line comprises the following steps:

s10, encapsulating, starting the transfer conveying mechanism again, conveying the wire coil sealed in the groove-shaped film into the heat-gathering box, conducting high temperature emitted by the electric heating tube to the heat-shrinkable film, rapidly shrinking the heat-shrinkable film, tightly wrapping the wire coil, and then entering the next procedure; meanwhile, the winding device or the unwinding device is in a winding or unwinding state, and the other steps are in a continuous working state, so that the coils are encapsulated one by one. The method is simple and convenient to operate, can be used for integrally producing the cable released at a high speed by the cabling equipment, and can be operated continuously in midway without a winding disc.

A winding and packaging integrated system and method for an automatic production line of a double-layer environment-friendly flame-retardant cable comprises a winding device, a unwinding device, a winding pushing device, a conveying device, a film covering device, a melt-cutting device and a heat sealing box, wherein one end of the conveying device is connected with the winding device, a mechanism box and a unwinding barrel of the unwinding device are respectively positioned at the upper end and the lower end of a winding shaft of the winding device and correspond to the winding shaft, a winding pushing arm of the winding pushing device is positioned on one side of the winding shaft on the upper portion of a winding table, the film covering device, the melt-cutting device and the heat sealing box are sequentially arranged on the conveying device, and winding, unwinding, winding, melting, cutting and packaging are continuously completed on the cable through integration, and continuous assembly line operation is performed midway. The invention overcomes the problems of low production efficiency and high cost caused by the fact that a plurality of working steps of the original double-layer environment-friendly flame-retardant cable production process can not be connected and integrated operation can not be realized, and has the characteristics of simple structure, continuous and continuous pipeline operation in midway, obvious improvement on production efficiency, no need of a large number of winding disks, contribution to reducing cost and simple and convenient operation.

Drawings

The invention is further illustrated by the following examples in conjunction with the accompanying drawings:

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a front view of fig. 1.

Fig. 3 is a side view of fig. 2.

Fig. 4 is a schematic top view of fig. 2.

Fig. 5 is a schematic sectional view at B-B of fig. 4.

Fig. 6 is a schematic structural diagram of the rack of the present invention.

FIG. 7 is a schematic structural diagram of the fusion cutting apparatus of the present invention.

Fig. 8 is a front view of fig. 7.

Fig. 9 is a side view of fig. 8.

Fig. 10 is a schematic view of the structure of the reel according to the present invention.

Fig. 11 is a top view of fig. 10.

Fig. 12 is a schematic structural view of the mechanism case of the present invention.

Fig. 13 is an enlarged schematic view of a portion a of fig. 2.

Fig. 14 is an enlarged schematic view of fig. 5 at C.

Fig. 15 is an enlarged schematic view of fig. 5 at D.

In the figure: the device comprises a winding device 1, a winding table 11, a winding shaft 12, a winding motor 13, a unwinding device 2, a mechanism box 21, a unwinding cylinder 22, a bridge box 23, a unwinding cylinder 24, a flat pressing plate 25, a pushing spring 26, a winding pushing device 3, a screw rod 31, a guide shaft 32, a sliding seat 33, a winding pushing arm 34, a conveying device 4, a frame 41, a coil conveying mechanism 42, a transfer conveying mechanism 43, a film guiding opening 44, a film laminating device 5, a film folding plate 51, a pressing mechanism 52, a film sucking device 53, a film supporting plate 54, a melt cutting device 6, a cantilever 61, a melt cutting knife 62, a push-pull cylinder 63, a film pressing plate 64, a heat sealing box 7, a heat gathering box 71 and an electric heating tube 72.

Detailed Description

As shown in fig. 1 to 15, a winding and wrapping integrated system of an automatic production line of a double-layer environment-friendly flame-retardant cable comprises a winding device 1, a unwinding device 2, a winding pushing device 3, a conveying device 4, a film coating device 5, a melt-cutting device 6 and a heat sealing box 7; one end of the conveying device 4 is connected with the winding device 1, the mechanism box 21 and the unwinding cylinder 24 of the unwinding device 2 are respectively positioned at the upper end and the lower end of the winding shaft 12 of the winding device 1 and correspond to the winding shaft, the winding pushing arm 34 of the winding pushing device 3 is positioned at one side of the winding shaft 12 at the upper part of the winding table 11, and the film laminating device 5, the melt-cutting device 6 and the heat-sealing box 7 are sequentially arranged on the conveying device 4; sequentially and continuously finishing winding, unwinding, winding pushing, coating, sealing, cutting and packaging. Simple structure, one end through conveyor 4 is connected with coiling mechanism 1, the mechanism case 21 and the decoiling section of thick bamboo 24 that decoil device 2 is located coiling mechanism 1's spool 12 upper and lower both ends respectively rather than corresponding, the push away of coiling mechanism 3 rolls up arm 34 and is located spool 12 one side on rolling platform 11 upper portion, tectorial membrane device 5, melt cutting device 6 and heat-seal case 7 and lay in proper order on conveyor 4, accomplish the rolling through the integration to the cable in succession, decoil, push away the book, the cladding, seal and cut and the package, incessant continuous pipelining midway, show improvement production efficiency, need not a large amount of rolling dishes, be favorable to reduce cost, easy operation is convenient.

In a preferred scheme, the winding device 1 comprises a winding shaft 12 which penetrates through the winding table 11 and is matched with the winding table, and a winding motor 13 which is positioned at the lower end of the winding shaft 12 and is connected with the winding shaft. Simple structure, during the use, spool 12 is located a 11 upside of rolling up, and the cable that the cabling equipment released is connected with spool 12, and winding motor 13 drive spool 12 is rotatory, and the cable that will the release of cabling equipment twines on spool 12, finally forms the annular wire book.

Preferably, the rolling stand 11 comprises a plurality of legs connected to the bottom of the plate, through holes provided at one end of the plate to cooperate with the reel 12.

Preferably, spool 12 is the one end confined cavity barrel, is located the section of thick bamboo wall and sets up a plurality of notches, and the center that is located the barrel sets up to run through the axle pipe box and is connected with the output of rolling motor 13, encircles the axle pipe box and sets up a plurality of arcs and a section of thick bamboo inboard and form the ring channel, before the rolling, the cable winding that will release from the cabling equipment is tightened outside spool 12, introduces the ring channel block with the cable end from the notch of spool 12 again, and the cable atress leads to pulling out when avoiding the rotatory rolling of spool 12.

In a preferred scheme, the unwinding device 2 comprises an unwinding cylinder 22 connected with the mechanism box 21 and an unwinding cylinder 24 connected with a bridge box 23, the winding motor 13 is positioned in the mechanism box 21 and connected with the unwinding cylinder 22, and the bridge box 23 is positioned on one side of the winding table 11. Simple structure, during the use, mechanism case 21 and the roll platform 11 downside are connected fixedly, and the cylinder 22 that takes off the book drives rolling motor 13 and moves down and drives reel 12 and retract to mechanism case 21 in, makes the coil of wire break away from with reel 12.

Preferably, the mechanism box 21 is a hollow cylinder with an opening at the upper side, and heat dissipation holes are arranged at the cylinder wall and the cylinder bottom, so as to facilitate the heat dissipation of the winding motor 13.

Preferably, a wire passing hole is formed in one side of the bridge box 23, a cable released by the cabling equipment passes through the wire passing hole to be connected with the reel 12, and a cable adjusting mechanism for controlling the cable releasing height by the cabling equipment is positioned in the bridge box 23.

In a preferred scheme, the unwinding cylinder 24 is a hollow round cylinder with an opening at the lower end, the upper end of the cylinder is connected with the pushing cylinder, a flat pressing plate 25 in sliding fit with the cylinder is arranged in the cylinder, and the pushing spring 26 is connected with the flat pressing plate 25 and the cylinder bottom. Simple structure, when taking off a roll, push down the cylinder drive and take off reel 24 and descend, flat clamp plate 25 is contradicted with the coil of wire gradually, and bulldozes spring 26 and is compressed, and the coil of wire gets into in taking off reel 24 gradually, and after the coil of wire was separated with spool 12 completely, push down the cylinder drive and take off reel 24 and rise, bulldoze spring 26 and reset, and the coil of wire is located a roll platform 11.

In a preferred scheme, the winding pushing device 3 comprises a sliding seat 33 matched with the screw rod 31 and the guide shaft 32, and a winding pushing arm 34 connected with the sliding seat 33, end plates at two ends of the screw rod 31 and the guide shaft 32 are connected with the winding table 11, and a winding pushing motor is connected with one end of the screw rod 31. The structure is simple, when in use, the coil pushing motor drives the screw rod 31 to rotate to drive the sliding seat 33 to move linearly along the guide shaft 32, and the coil pushing arm 34 pushes the coil to move towards one end of the conveying device 4 along with the synchronous movement of the sliding seat 33.

Preferably, the pushing arm 34 comprises an arc connected to the horizontal plate, the intrados of the arc being in contact with the outer ring of the coil; when the coil is pushed, the arc plates positioned at two sides of the coil table 11 are simultaneously contacted with the outer ring of the coil; the distance between the arc plates at the two sides of the rolling platform 11 is larger than the diameter of the rolling shaft 12, so that the rolling shaft can move unhindered before rolling.

In a preferred scheme, the conveying device 4 comprises a coil conveying mechanism 42 and a transfer conveying mechanism 43 which are connected with a frame 41, one end of the coil conveying mechanism 42 is overlapped with the coil platform 11, and a film guiding opening 44 is arranged on one side of the frame 41. The structure is simple, when in use, the coil conveying mechanism 42 is used for conveying the coil, and the transfer conveying mechanism 43 is used for replacing the coil conveying mechanism 42 to convey the coil and conveying the coil to the endmost heat-seal box 7.

Preferably, during film threading, after the heat-shrinkable film is released from the release mechanism, the heat-shrinkable film is folded along the length direction to form a groove-shaped film with a groove-shaped structure, the coil conveying mechanism 42 and the rack 41 on one side of the coil conveying mechanism 42 are wrapped in the groove-shaped film, the groove-shaped film is introduced into the rack 41 from the film introducing port 44 by pulling the opening end of the groove-shaped film, the groove-shaped film is introduced into the transfer conveying mechanism 43 through a gap between the upper side of the film supporting plate 54 and the melt-cutting knife 62, then the groove-shaped film is introduced into the pressing mechanism 52 for pressing after the opening side of the groove-shaped film is overlapped, and the melt-cutting device 6 is started to pre-seal the end of the groove-shaped film.

Preferably, the coil conveying mechanism 42 and the transfer conveying mechanism 43 each comprise a rotating shaft engaged with both ends of the conveying belt, the rotating shafts being engaged with the frame 41, and the motor being connected to one of the rotating shafts, and in use, the motor drives the rotating shaft to rotate the conveying belt.

In a preferred scheme, the film laminating device 5 comprises a film folding plate 51, a pressing mechanism 52, a film sucking device 53 and a film supporting plate 54; the film folding plate 51 is positioned at the upper part of the coil conveying mechanism 42 and connected with the frame 41, the pressing mechanism 52 and the film sucking device 53 are positioned at the same side of the frame 41, and the film supporting plate 54 is positioned between the coil conveying mechanism 42 and the transferring conveying mechanism 43. The structure is simple, when in use, the upper side surface of the groove-shaped film is folded upwards along the bevel edge of the film folding plate 51, so that the coil can pass through smoothly; when the coil pushes the groove-shaped film to advance, the film absorbing device 53 absorbs the edge of the opening side of the groove-shaped film, so that the phenomenon that the pressing mechanism 52 cannot press the edge of the groove-shaped film due to the fact that the groove-shaped film moves to the other side of the coil conveying mechanism 42 is avoided; the film pallet 54 is used to drag the coil of wire in the trough-type film so that it can smoothly enter the transfer conveyor mechanism 43.

Preferably, the pressing mechanism 52 includes a driven pressing wheel cooperating with a driving pressing wheel, which cooperates with the rotating shaft of the transfer conveyor 43 and rotates in synchronization therewith, and drives the driven pressing wheel to rotate and pull the grooved film when the driving pressing wheel rotates.

Preferably, the film suction device 53 includes a suction pipe connected to a suction pump, and the suction head is connected to the suction pipe, and the suction head sucks the edge of the opening side of the groove-shaped film when the suction pump is started.

In a preferred scheme, the melt-cutting device 6 comprises a melt-cutting knife 62 and a push-pull air cylinder 63 which are connected with a cantilever 61, and a film pressing plate 64 which is in sliding fit with the melt-cutting knife 62, wherein the cantilever 61 and the push-pull air cylinder 63 are positioned on the same side of the frame 41 and are connected with the same. The structure is simple, when the sealing device is used, the push-pull air cylinder 63 drives one end of the cantilever 61 to rotate upwards or downwards around one side of the rack 41, so that the melt cutter 62 is in contact with the groove-shaped film and the seal is fused.

Preferably, the fusion cutter 62 is a right angle cutter, the lamination plate 64 is a right angle plate, and the lower side of the lamination plate 64 extends out of the lower side of the fusion cutter 62.

Preferably, during melt cutting, the lamination plate 64 is first pressed against the channel film, and then the melt cutter 62 is contacted with the channel film to fuse the seal.

Preferably, the fastener passes through the lamination plate 64 and the spring and then is connected with the upper side of the fusion cutter 62, the spring is compressed during fusion cutting, and when the fusion cutter 62 is driven to lift by the push-pull air cylinder 63, the spring is expanded and reset.

Preferably, a cavity is arranged in the edge of the fusion cutter 62, a resistance wire is arranged in the cavity, and the edge is heated after being electrified.

Preferably, the cutting edge of the cutting knife 62 is triangular, the cutting edge is firstly contacted with the groove-shaped film during cutting, and when the cutting knife 62 continues to move downwards, the groove-shaped film is tilted upwards and contacted with the inclined surfaces on the two sides of the cutting edge for hot sealing while the groove-shaped film is melted by the cutting edge.

In a preferable scheme, the heat seal box 7 comprises a plurality of electric heating tubes 72 arranged in a heat collecting box 71, and heat insulation curtains are arranged on the opening sides of two ends of the heat collecting box 71. The structure is simple, when in use, after the coil coated by the thermal shrinkage film enters the heat collecting box 71, the high temperature emitted by the electric heating tube 72 is conducted to the thermal shrinkage film, the thermal shrinkage film is rapidly shrunk, the coil is tightly coated, and then the next procedure is carried out.

In a preferred scheme, the integrated production method of the rolling and wrapping integrated system of the automatic production line of the double-layer environment-friendly flame-retardant cable comprises the following steps:

s1, penetrating a film, wherein a release mechanism positioned on one side of the rack 41 drives a heat-shrinkable film roll to release a section of heat-shrinkable film, and the heat-shrinkable film is positioned on the outer side of the rack 41;

s1-1, coating the coil conveying mechanism 42 with a heat-shrinkable film from one side of the coil conveying mechanism, wherein the coated heat-shrinkable film is a groove-shaped film with an opening at the side surface and an opening at the end head;

s1-2, leading the open end of the groove-shaped film into the inner side of the frame 41 from the film leading port 44, and then passing through the space between the upper side surface of the film supporting plate 54 and the melt cutter 62;

s1-3, opening of the side face of the groove-shaped film extends to an adsorption head of the film adsorption device 53 on the other side of the rack 41, and then the heat-shrinkable film on the upper side face of the coil conveying mechanism 42 is turned upwards from the bevel edge of the film folding plate 51;

s2, pre-sealing, starting the melt-cutting device 6, driving the cantilever 61 to move downwards by the push-pull cylinder 63, pressing the end of the groove-shaped film by the film pressing plate 64, then descending the melt-cutting knife 62, and fusing while sealing the end of the groove-shaped film; the push-pull air cylinder 63 drives the cantilever 61 to reset, and excess materials after the end of the groove-shaped film is melt-cut are cleaned;

s3, pressing edges, namely pulling the sealing end of the groove-shaped film towards the direction of the transfer conveying mechanism 43, overlapping the side openings of the groove-shaped film together, and leading the overlapped side openings to a position between a driving edge pressing wheel and a driven edge pressing wheel of the pressing mechanism 52 for pressing;

s4, winding, wherein the cabling equipment releases the cable and controls the length and the height of the released cable, and the winding device 1 winds the cable synchronously; before winding, the winding pushing arm 34 is positioned outside the winding shaft 12 and close to the edge of the winding table 11;

s4-1, connecting the cable with the reel 12 through the bridge box 23; during connection, the cable is wound on the outer wall of the winding shaft 12 for at least one circle and then is tightened, and the end of the cable is led into an annular groove in the winding shaft 12 from a notch of the winding shaft 12;

s4-2, starting the cabling equipment and the winding motor 13, and winding the cable on the outer wall of the winding shaft 12 by rotating the winding shaft 12 while cabling and releasing the cable by the cabling equipment; during winding, the height of the cable is controlled by the cabling equipment, so that the cable is wound from the lower end of the winding shaft 12 to the upper end of the winding shaft for one circle and then is wound from the upper end of the winding shaft 12 to the lower end of the winding shaft for one circle; meanwhile, the melt-cutting device 6 and the heat-seal box 7 are started to respectively heat the heat-gathering box 71 and the melt-cutting knife 62;

s4-3, when the length of the cable released by the cable device reaches a set value, stopping the winding motor 13, and cutting the cable close to the coil to form a ring-shaped coil; at this time, the outer diameter of the coil is identical to the inner diameter of the unwinding bobbin 24;

s5, unwinding, starting the unwinding device 2, driving the winding motor 13 by the unwinding cylinder 22 to drive the winding shaft 12 to retract into the mechanism box 21, and gradually separating the wire coil from the winding shaft 12; meanwhile, the lower pushing cylinder drives the stripping drum 24 to descend, the flat pressing plate 25 gradually butts against the wire coil, the pushing spring 26 is compressed, and the wire coil gradually enters the stripping drum 24; when the coil is completely separated from the reel 12, the push-down cylinder drives the doffing drum 24 to ascend, the push spring 26 resets, and the coil is positioned on the winding table 11;

s6, pushing the coil, starting the coil pushing motor, driving the sliding seat 33 to drive the coil pushing arm 34 to push the coil to the other end of the coil table 11 and enter the coil conveying mechanism 42, and driving the sliding seat 33 again to drive the coil pushing arm 34 to reset;

s7, conveying the coil, starting the coil conveying mechanism 42 to drive the coil to move towards the transfer conveying mechanism 43, enabling the coil to pass through the film folding plate 51 and then cross the film supporting plate 54 to gradually abut against the seal of the groove-shaped film, and enabling the coil to push the groove-shaped film to gradually enter the transfer conveying mechanism 43; meanwhile, the releasing mechanism drives the heat-shrinkable film roll to release the heat-shrinkable film, the film absorbing device 53 is started, and the adsorption head adsorbs the upper edge and the lower edge of the opening side of the groove-shaped film;

s8, taking over the transfer, in S7, when the coil enters the transfer conveyance mechanism 43, the coil conveyance mechanism 42 is stopped, the transfer conveyance mechanism 43 is started, and the coil is driven to push the groove-shaped film to move toward the heat seal box 7; meanwhile, the releasing mechanism synchronously releases the heat-shrinkable film, and the pressing mechanism 52 synchronously rotates along with the transfer conveying mechanism 43 to press the edges of the groove-shaped film and pull the groove-shaped film backwards;

s9, performing melt cutting, wherein when the coil completely crosses the film supporting plate 54 and enters the hot cutting range of the melt cutter 62, the transfer conveying mechanism 43 stops; the push-pull air cylinder 63 drives the cantilever 61 to descend, the film pressing plate 64 presses the groove-shaped film, the melt cutter 62 melts the groove-shaped film, and the groove-shaped film is melted to form a closed structure to seal the coil in the cavity; the push-pull air cylinder 63 drives the cantilever 61 to drive the fusion cutter 62 to reset;

s10, the wrapping and transferring mechanism 43 is started again, the coil enclosed in the groove-shaped film is conveyed into the heat-gathering box 71, the high temperature emitted by the electric heating tube 72 is conducted to the heat-shrinkable film, the heat-shrinkable film is shrunk rapidly, the coil is wrapped tightly, and then the next procedure is carried out; meanwhile, the winding device 1 or the unwinding device 2 is in a winding or unwinding state, and the other steps are in a continuous working state, so that the coils are encapsulated one by one. The method is simple and convenient to operate, can be used for integrally producing the cable released at a high speed by the cabling equipment, and can be operated continuously in midway without a winding disc.

According to the winding and packaging integrated system and method for the automatic double-layer environment-friendly flame-retardant cable production line, during installation and use, one end of the conveying device 4 is connected with the winding device 1, the mechanism box 21 and the unwinding cylinder 24 of the unwinding device 2 are respectively located at the upper end and the lower end of the winding shaft 12 of the winding device 1 and correspond to the winding shaft, the winding pushing arm 34 of the winding pushing device 3 is located on one side of the winding shaft 12 on the upper portion of the winding table 11, the film coating device 5, the melt-cutting device 6 and the heat sealing box 7 are sequentially arranged on the conveying device 4, and the integrated winding, unwinding, winding, coating, sealing and packaging are continuously completed on cables.

When the cable winding device is used, the winding shaft 12 is located on the upper side of the winding table 11, a cable released by the cabling device is connected with the winding shaft 12, the winding motor 13 drives the winding shaft 12 to rotate, the cable released by the cabling device is wound on the winding shaft 12, and finally a circular coil is formed.

When the mechanism box 21 is used, the lower side of the winding table 11 is fixedly connected, the unwinding cylinder 22 drives the winding motor 13 to move downwards to drive the winding shaft 12 to retract into the mechanism box 21, and the wire coil is separated from the winding shaft 12.

When the coil is unwound, the lower pushing cylinder drives the unwinding barrel 24 to descend, the flat pressing plate 25 gradually abuts against the coil, the pushing spring 26 is compressed, the coil gradually enters the unwinding barrel 24, when the coil is completely separated from the winding shaft 12, the lower pushing cylinder drives the unwinding barrel 24 to ascend, the pushing spring 26 resets, and the coil is positioned on the winding table 11.

When the wire coil pushing and winding mechanism is used, the wire coil pushing motor drives the screw rod 31 to rotate to drive the sliding seat 33 to move linearly along the guide shaft 32, and the wire coil pushing and winding arm 34 moves synchronously along with the sliding seat 33 to push a wire coil to move towards one end of the conveying device 4.

In use, the coil conveying mechanism 42 is used for conveying the coil, and the transfer conveying mechanism 43 is used for taking over the coil conveying mechanism 42 to convey the coil and conveying the coil to the endmost heat-seal box 7.

When in use, the upper side surface of the groove-shaped film is folded upwards along the bevel edge of the film folding plate 51, so that the wire coil can pass through smoothly; when the coil pushes the groove-shaped film to advance, the film absorbing device 53 absorbs the edge of the opening side of the groove-shaped film, so that the phenomenon that the pressing mechanism 52 cannot press the edge of the groove-shaped film due to the fact that the groove-shaped film moves to the other side of the coil conveying mechanism 42 is avoided; the film pallet 54 is used to drag the coil of wire in the trough-type film so that it can smoothly enter the transfer conveyor mechanism 43.

When the device is used, the push-pull air cylinder 63 drives one end of the cantilever 61 to rotate upwards or downwards around one side of the rack 41, so that the fusion cutter 62 is in contact with the groove-shaped film and the seal is fused.

When the wire coil is used, after the wire coil coated by the heat-shrinkable film enters the heat-gathering box 71, the high temperature emitted by the electric heating tube 72 is conducted to the heat-shrinkable film, the heat-shrinkable film is rapidly shrunk, the wire coil is tightly wrapped, and then the next procedure is carried out.

The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and features in the embodiments and examples in the present application may be arbitrarily combined with each other without conflict. The protection scope of the present invention is defined by the claims, and includes equivalents of technical features of the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the invention.

Claims

1. The utility model provides a double-deck environmental protection flame retarded cable automatic production line package integration system, characterized by: the device comprises a winding device (1), a decoiling device (2), a coil pushing device (3), a conveying device (4), a film coating device (5), a melt-cutting device (6) and a heat sealing box (7); one end of the conveying device (4) is connected with the winding device (1), a mechanism box (21) and a unwinding cylinder (24) of the unwinding device (2) are respectively positioned at the upper end and the lower end of a winding shaft (12) of the winding device (1) and correspond to the winding shaft, a winding pushing arm (34) of the winding pushing device (3) is positioned on one side of the winding shaft (12) at the upper part of the winding table (11), and the film coating device (5), the melt-cutting device (6) and the heat sealing box (7) are sequentially arranged on the conveying device (4); sequentially and continuously finishing winding, unwinding, winding pushing, coating, sealing, cutting and packaging.

2. The automatic production line winding and packaging integrated system for the double-layer environment-friendly flame-retardant cable as claimed in claim 1, which is characterized in that: the winding device (1) comprises a winding table (11) and a matched winding shaft (12) which are penetrated through, and a winding motor (13) which is positioned at the lower end of the winding shaft (12) and connected with the winding shaft.

3. The automatic production line winding and packaging integrated system for the double-layer environment-friendly flame-retardant cable as claimed in claim 1, which is characterized in that: the decoiling device (2) comprises a decoiling cylinder (22) connected with the mechanism box (21) and a decoiling cylinder (24) connected with the bridge box (23), the winding motor (13) is positioned in the mechanism box (21) and connected with the decoiling cylinder (22), and the bridge box (23) is positioned on one side of the winding table (11).

4. The automatic production line winding and packaging integrated system for the double-layer environment-friendly flame-retardant cable as claimed in claim 1, which is characterized in that: the doffing drum (24) is a hollow round drum body with an opening at the lower end, the upper end of the drum body is connected with the pushing cylinder, a flat pressing plate (25) in sliding fit with the drum body is arranged in the drum body, and the pushing spring (26) is connected with the flat pressing plate (25) and the drum bottom.

5. The automatic production line winding and packaging integrated system for the double-layer environment-friendly flame-retardant cable as claimed in claim 1, which is characterized in that: the coil pushing device (3) comprises a sliding seat (33) matched with the screw rod (31) and the guide shaft (32) and a coil pushing arm (34) connected with the sliding seat (33), end plates at two ends of the screw rod (31) and the guide shaft (32) are connected with the coil table (11), and a coil pushing motor is connected with one end of the screw rod (31).

6. The automatic production line winding and packaging integrated system for the double-layer environment-friendly flame-retardant cable as claimed in claim 1, which is characterized in that: the conveying device (4) comprises a coil conveying mechanism (42) and a transfer conveying mechanism (43), wherein the coil conveying mechanism (42) is connected with the rack (41), one end of the coil conveying mechanism (42) is overlapped with the coil table (11), and a film guiding opening (44) is formed in one side of the rack (41).

7. The automatic production line winding and packaging integrated system for the double-layer environment-friendly flame-retardant cable as claimed in claim 1, which is characterized in that: the film laminating device (5) comprises a film folding plate (51), a pressing mechanism (52), a film sucking device (53) and a film supporting plate (54); the film folding plate (51) is positioned at the upper part of the coil conveying mechanism (42) and connected with the rack (41), the pressing mechanism (52) and the film suction device (53) are positioned at the same side of the rack (41), and the film supporting plate (54) is positioned between the coil conveying mechanism (42) and the transfer conveying mechanism (43).

8. The automatic production line winding and packaging integrated system for the double-layer environment-friendly flame-retardant cable as claimed in claim 1, which is characterized in that: the melt-cutting device (6) comprises a melt-cutting knife (62) and a push-pull cylinder (63) which are connected with a cantilever (61), and a film pressing plate (64) which is in sliding fit with the melt-cutting knife (62), wherein the cantilever (61) and the push-pull cylinder (63) are positioned on the same side of the rack (41) and are connected with the same.

9. The automatic production line winding and packaging integrated system for the double-layer environment-friendly flame-retardant cable as claimed in claim 1, which is characterized in that: the heat sealing box (7) comprises a plurality of electric heating tubes (72) arranged in the heat collecting box (71), and heat insulation curtains are arranged on the opening sides of the two ends of the heat collecting box (71).

10. The integrated production method of the rolling and wrapping integrated system of the automatic production line of the double-layer environment-friendly flame-retardant cable as claimed in any one of claims 1 to 9, which is characterized by comprising the following steps:

s1, penetrating a film, wherein a release mechanism positioned on one side of the rack (41) drives a heat-shrinkable film roll to release a section of heat-shrinkable film, and the heat-shrinkable film is positioned on the outer side of the rack (41);

s1-1, coating the coil conveying mechanism (42) with a heat-shrinkable film from one side of the coil conveying mechanism, wherein the coated heat-shrinkable film is a groove-shaped film with an opening at the side surface and an opening at the end head;

s1-2, leading the open end of the groove-shaped film into the inner side of the frame (41) from the film leading port (44), and then passing through the space between the upper side surface of the film supporting plate (54) and the fusion cutter (62);

s1-3, opening of the side face of the groove-shaped film extends to an adsorption head of a film adsorption device (53) on the other side of the rack (41), and then the heat-shrinkable film on the upper side face of the coil conveying mechanism (42) is turned upwards from the bevel edge of the film folding plate (51);

s2, pre-sealing, starting the melt-cutting device (6), driving the cantilever (61) to move downwards by the push-pull cylinder (63), descending the melt-cutting knife (62) after the film pressing plate (64) presses the end of the groove-shaped film, and fusing while sealing the end of the groove-shaped film; the push-pull air cylinder (63) drives the cantilever (61) to reset, and excess materials after the end of the groove-shaped film is melt-cut are cleaned;

s3, pressing edges, namely pulling the sealing end of the groove-shaped film towards the direction of the transfer conveying mechanism (43), and leading the side openings of the groove-shaped film to be overlapped together and then to be led between a driving edge pressing wheel and a driven edge pressing wheel of the pressing mechanism (52) for pressing;

s4, winding, wherein the cabling equipment releases the cable and controls the length and the height of the released cable, and the winding device (1) synchronously winds the cable; before rolling, the roll pushing arm (34) is positioned at the outer side of the reel (12) and close to the edge of the rolling platform (11);

s4-1, the cable passes through the bridge box (23) and is connected with the reel (12); during connection, the cable is wound on the outer wall of the winding shaft (12) for at least one circle and then tightened, and the end of the cable is led into an annular groove in the winding shaft (12) from a notch of the winding shaft (12);

s4-2, starting the cabling equipment and the winding motor (13), and winding the cable on the outer wall of the reel (12) by rotating the reel (12) while cabling and releasing the cable by the cabling equipment; during winding, the height of the cable is controlled by the cabling equipment, so that the cable is wound from the lower end of the winding shaft (12) to the upper end of the winding shaft for one circle and then is wound from the upper end of the winding shaft (12) to the lower end of the winding shaft for one circle; meanwhile, the melt-cutting device (6) and the heat-seal box (7) are started to respectively heat the heat-gathering box (71) and the melt-cutting knife (62);

s4-3, when the length of the cable released by the cable device reaches a set value, stopping the winding motor (13), and cutting the cable close to the coil to form a ring-shaped coil; at this time, the outer diameter of the coil is consistent with the inner diameter of the unwinding cylinder (24);

s5, unwinding, starting the unwinding device (2), driving the winding motor (13) to drive the reel (12) to retract into the mechanism box (21) by the unwinding cylinder (22), and gradually separating the coil from the reel (12); meanwhile, the lower pushing cylinder drives the unwinding drum (24) to descend, the flat pressing plate (25) gradually butts against the wire coil, the pushing spring (26) is compressed, and the wire coil gradually enters the unwinding drum (24); when the coil is completely separated from the reel (12), the push-down cylinder drives the doffing drum (24) to ascend, the push spring (26) resets, and the coil is positioned on the winding table (11);

s6, pushing the coil, starting a coil pushing motor, driving a sliding seat (33) to drive a coil pushing arm (34) to push the coil to the other end of the coil table (11) and enter a coil conveying mechanism (42), and driving the sliding seat (33) again by the coil pushing motor to drive the coil pushing arm (34) to reset;

s7, conveying the coil, starting the coil conveying mechanism (42) to drive the coil to move towards the transfer conveying mechanism (43), enabling the coil to pass through the film folding plate (51) and then pass through the film supporting plate (54) to gradually abut against the seal of the groove-shaped film, and enabling the coil to push the groove-shaped film to gradually enter the transfer conveying mechanism (43); meanwhile, the releasing mechanism drives the heat-shrinkable film roll to release the heat-shrinkable film, the film absorbing device (53) is started, and the adsorption head adsorbs the upper edge and the lower edge of the opening side of the groove-shaped film;

s8, taking over the transfer, in S7, when the coil enters the transfer conveying mechanism (43), the coil conveying mechanism (42) stops, the transfer conveying mechanism (43) starts, and the coil is driven to push the groove-shaped film to move towards the direction of the heat sealing box (7); meanwhile, the releasing mechanism synchronously releases the heat-shrinkable film, and the pressing mechanism (52) synchronously rotates along with the transfer conveying mechanism (43) to press the edges of the groove-shaped film and pull the groove-shaped film backwards;

s9, performing melt cutting, wherein when the coil completely crosses the film supporting plate (54) and enters the hot cutting range of the melt cutter (62), the transfer conveying mechanism (43) stops; the push-pull air cylinder (63) drives the cantilever (61) to descend, the film pressing plate (64) presses the groove-shaped film, then the fusion cutter (62) fuses the groove-shaped film, and the groove-shaped film is fused to form a closed structure to seal the coil in the cavity; a push-pull air cylinder (63) drives a cantilever (61) to drive a fusion cutter (62) to reset;

s10, the wrapping and transferring mechanism (43) is started again, the coil enclosed in the groove-shaped film is conveyed into the heat-gathering box (71), the high temperature emitted by the electric heating tube (72) is conducted to the heat-shrinkable film, the heat-shrinkable film shrinks rapidly, the coil is wrapped tightly, and then the next procedure is carried out; meanwhile, the winding device (1) or the unwinding device (2) is in a winding or unwinding state, and the other steps are in a continuous working state, so that the coils are packaged one by one.