Processing device for flame-retardant cable
Technical Field
The invention particularly relates to the technical field of cable processing, and particularly relates to a processing device for a flame-retardant cable.
Background
The common and indispensable element in the production activities of the cable modern society has many applications, and is mainly used for transmitting electric energy, transmitting signals, performing electromagnetic conversion and the like, so that the market demand of high-quality cables is great.
The processing of the cable is mainly finished by three processes of drawing, stranding and coating, wherein the three processes mainly comprise a nonferrous metal processing technology, a plastic rubber chemical technology, a material weaving textile technology, a metal material lapping and metal strip longitudinal wrapping technology, a welding technology and the like.
In addition, in the transmission cable processing device, the metal wire conductor is coated with the insulating layer, the metal wire conductor passes through a long water channel, the surface of the metal wire conductor is cooled, the cable is bundled and transported to the stranding mechanism for stranding, the two procedures are important components of the cable processing technology, the processing mode needs a quite large field for unfolding, manual assistance is needed in the process of transporting the cable, the position of the cable after being bundled is configured, and the economic benefit is low.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a processingequipment of fire-retardant cable, its includes pay-off, stop device, talc box, winding displacement unit, stranding mechanism, cooling device, stranding device, take-up pulley and base, stop device, talc box, winding displacement unit, stranding mechanism, cooling device and stranding device are installed from a left side to the right side on the base in proper order, its characterized in that:
the pay-off device is fixedly arranged on the left side of the base, the cable is wound by the pay-off device and then is paid out at a rotation angle rate synchronous with that of the stranding mechanism, and the cable enters the stranding mechanism to be twisted in pairs after passing through the limiting device and the wire arranging unit;
the stranding mechanism is installed adjacent to the cooling device, wherein a stranding arm in the stranding mechanism is communicated with the cooling device, so that the cables are twisted and cooled synchronously;
and the cabling device wraps the twisted cable with a sheath and is bundled by the take-up pulley.
Further, preferably, the wire twisting mechanism comprises a wire twisting arm, a mounting back plate, a motor I and a base, wherein the base is fixedly mounted on the base, and the mounting back plate is fixedly mounted on the base;
the stranded wire arms are arranged on the right side of the mounting backboard in a central symmetry mode, and the stranded wire arms are arranged in 2-6 numbers according to the number of cables needing to be stranded with each other;
the wire twisting arm rotates around the central axis of the mounting back plate in the wire twisting process, and the rotating motion is driven by a motor I fixedly mounted on the left side of the mounting back plate.
Further, preferably, the stranded wire arm is provided with filler seals at the inlet and the outlet of the cable;
an air inlet and an air outlet are formed in the side wall of the stranded wire arm;
the air outlet is communicated with an external heat recovery device, a safety valve is arranged at the position of a through hole of the air outlet, and the safety valve leads hot air into the heat recovery device after the internal pressure of the stranded wire arm exceeds a threshold value;
the air inlet and the air outlet are sealed by pipe clamps;
detachably is provided with clean passageway in the stranded conductor arm, be provided with clean fine hair in the clean passageway, it can adsorb the talcum powder on the cable.
Further, preferably, the cooling device comprises a gas tank, an external pipeline, a sealing joint, a pipeline bracket, a gas inlet chamber and a gas inlet pipeline, wherein the gas tank is fixedly arranged on the base;
the external pipeline is erected outside the gas tank and is supported and fixed on the base by the pipeline bracket;
the air inlet chamber is fixedly arranged on the base and is communicated with an external pipeline through a sealing joint;
the air inlet pipeline is communicated with the air inlet chamber and the stranded wire arm.
Further, preferably, the air inlet chamber comprises a connecting plate block, an air inlet cavity, a counter bore, a slip ring, a vent hole, a sealing bearing, a central through hole and a main body;
the main part is fixedly installed on the base, an air inlet cavity is formed in the left side of the main part, counter bores are symmetrically formed in the upper side and the lower side of the main part, the air inlet cavity is communicated with the counter bores, and the counter bores are used for installing sealing joints.
Further, preferably, the connecting plate block is rotatably arranged in the air inlet cavity, and a slip ring is sleeved on the outer side wall of the connecting plate block to prevent the air inlet cavity from losing pressure during rotation of the connecting plate block;
the connecting plate is internally provided with vent holes with the same number as the stranded wire arms, and the vent holes are communicated with the air inlet cavity and the air inlet pipeline.
Further, preferably, the central through hole is formed by through holes arranged at central axes of the connecting plate and the main body, and cooled cables can pass through the central through hole;
the connecting plate is provided with a bulge at the communication position of the central through hole and is inserted into the main body, and the bulge part at the position is matched with a sealing bearing arranged on the connecting plate to form sealing so as to prevent gas in the gas inlet cavity from leaking.
Further, preferably, the paying-off device comprises a support frame, a second motor, a paying-off wheel, an insulating layer coating device, side plates and a bottom plate, wherein the support frame is fixedly installed on the ground, the two side plates are symmetrically arranged above the support frame, the left side plate is driven by the second motor fixedly installed on the left side of the left side plate to rotate in a vertical plane, and the rotation center and the rotation rate of the left side plate are consistent with those of the wire twisting mechanism.
Further, preferably, the side plates are fixedly connected by the bottom plate, the bottom plate is installed between the two side plates in a centrosymmetric mode, and the installation number of the bottom plate is consistent with that of the stranded wire arms;
the cable is characterized in that a paying-off wheel and an insulating layer wrapping device are fixedly mounted on the bottom plate, and the cable is sent out by the paying-off device after being wrapped by the insulating layer.
Further, as preferred, be provided with the talcum powder in the talc case, the cable is scribbled the smooth stone powder after the talc case, prevents that the cable from taking place the adhesion with other mechanisms after the insulating layer parcel high temperature before reaching cooling device.
Compared with the prior art, the invention has the beneficial effects that:
the invention is different from the traditional cable processing device, the cable enters the water channel for cooling after being coated with the insulating layer, the cable is bundled and sent to the stranding mechanism for stranding after cooling, the stranding mechanism is directly connected with the insulating layer coating device, meanwhile, the cooling work of the cable is integrated at the cable twisting mechanism, so that the cable twisting and cooling are synchronously finished, the transportation time of the intermediate semi-finished product and the time required by the cable cooling are saved, the cable is cooled by adopting a gas cooling mode, the occupied area is greatly reduced compared with the traditional water cooling mode, the problem of water inflow in the cable which possibly occurs is avoided as further optimization, the stranded wire arm is provided with the air outlet connected with the external heat recovery device, so that part of heat on the surface of the cable can be recovered, and the economic benefit in the production process is further improved.
Drawings
FIG. 1 is a schematic view of the overall structure of a flame retardant cable processing device;
FIG. 2 is a schematic view of a stranding mechanism and a cooling device of a flame-retardant cable processing device;
FIG. 3 is a schematic view of a stranding mechanism and an air inlet chamber of a processing device for flame-retardant cables;
FIG. 4 is a schematic diagram of the internal structure of a stranded wire arm of a flame-retardant cable processing device;
in the figure: 1. a pay-off device; 2. a limiting device; 3. a talc tank; 4. a wire arranging unit; 5. a wire stranding mechanism; 6. a cooling device; 7. a cabling device; 8. a cable; 9. a take-up pulley; 10. a base; 101. a support frame; 102. a second motor; 103. a paying-off wheel; 104. an insulating layer cladding device; 105. a side plate; 106. a base plate; 301. talc powder; 501. a wire twisting arm; 502. mounting a back plate; 503. a first motor; 504. a base; 601. a gas tank; 602. an external pipeline; 603. sealing the joint; 604. a pipe support; 605. an air intake chamber; 606. an air intake duct; 5011. packing and sealing; 5012. a pipe clamp; 5013. a safety valve; 5014. an air inlet; 5015. an air outlet; 5016. cleaning the channel; 5017. cleaning the fluff; 6051. connecting the plates; 6052. an air inlet cavity; 6053. a counter bore; 6054. a slip ring; 6055. a vent hole; 6056. sealing the bearing; 6057. a central through hole; 6058. a main body.
Detailed Description
The present invention will be described in further detail by way of embodiments with reference to the attached drawings, and all other embodiments obtained by a person of ordinary skill in the art without making creative efforts based on the embodiments of the present invention shall fall within the protection scope of the present invention.
A processing device of flame-retardant cable, as shown in figure 1, comprises a paying-off device 1, a limiting device 2, a talc box 3, a wire arranging unit 4, a wire twisting mechanism 5, a cooling device 6, a cabling device 7, a take-up pulley 9 and a base 10, wherein the limiting device 2, the talc box 3, the wire arranging unit 4, the wire twisting mechanism 5, the cooling device 6 and the cabling device 7 are sequentially installed on the base 10 from left to right, and the processing device is characterized in that:
the paying-off device 1 is fixedly arranged on the left side of the base 10, the cable 8 is wound by an insulating layer and then is paid off at a rotation speed synchronous with that of the stranding mechanism 5, and after passing through the limiting device 2 and the wire arranging unit 4, the cable 8 enters the stranding mechanism 5 to be twisted;
the stranding mechanism 5 is installed adjacent to the cooling device 6, wherein a stranding arm 501 in the stranding mechanism 5 is communicated with the cooling device 6, so that the cables 8 are twisted and cooled synchronously;
and the cabling device 7 wraps the twisted cable 8 with a sheath and is bundled by the take-up pulley 9.
In this embodiment, as shown in fig. 2 and fig. 3, the wire twisting mechanism 5 includes a wire twisting arm 501, a mounting back plate 502, a first motor 503 and a base 504, where the base 504 is fixedly mounted on the base 10, and the mounting back plate 502 is fixedly mounted on the base;
the stranded wire arms 501 are installed at the right side of the installation back plate 502 in a central symmetry manner, and are installed in 2-6 numbers according to the number of cables 8 needing to be stranded with each other;
the wire twisting arm 501 rotates around the central axis of the mounting backboard 502 during wire twisting, and the rotating motion is driven by a motor I503 fixedly mounted on the left side of the mounting backboard 502.
In this embodiment, as shown in fig. 4, the stranded wire arm 501 is provided with filler seals 5011 at both the inlet and outlet positions of the cable 8;
an air inlet 5014 and an air outlet 5015 are formed in the side wall of the stranded wire arm 501;
the air outlet 5015 is communicated with an external heat recovery device, a safety valve 5013 is arranged at the position of the air outlet, and the safety valve 5013 is used for introducing hot air into the heat recovery device after the internal pressure of the stranded wire arm 501 exceeds a threshold value;
the air inlet 5014 and the air outlet 5015 are sealed by pipe clamps 5012;
a cleaning channel 5016 is detachably arranged in the stranded wire arm 501, and cleaning fluff 5017 capable of adsorbing the talcum powder 301 on the cable 8 is arranged in the cleaning channel 5016.
In this embodiment, as shown in fig. 2 and 3, the cooling device 6 includes a gas tank 601, an external pipeline 602, a sealing joint 603, a pipeline bracket 604, an air inlet chamber 605 and an air inlet pipeline 606, and the gas tank 601 is fixedly mounted on the base 10;
the external pipeline 602 is erected outside the gas tank 601 and supported and fixed on the base 10 by the pipeline bracket 604;
the air inlet chamber 605 is fixedly arranged on the base 10 and is communicated with an external pipeline 602 through a sealing joint 603;
the air inlet pipe 606 communicates the air inlet chamber 605 with the wire twisting arm 501.
In this embodiment, as shown in fig. 2 and fig. 3, the air intake chamber 605 includes a connecting plate 6051, an air intake cavity 6052, a counterbore 6053, a slip ring 6054, a vent 6055, a seal bearing 6056, a central through hole 6057, and a main body 6058;
the main body 6058 is fixedly mounted on the base 10, an air inlet cavity 6052 is formed in the left side of the main body 6058, counterbores 6053 are symmetrically formed in the upper side and the lower side of the main body 6052, the air inlet cavity 6052 is communicated with the counterbores 6053, and the counterbores 6053 are used for mounting the sealing joint 603.
In this embodiment, as shown in fig. 3, the connecting plate 6051 is rotatably disposed in the air intake cavity 6052, and a slip ring 6054 is sleeved on an outer side wall of the connecting plate 6051 to prevent the air intake cavity 6052 from losing pressure during rotation of the connecting plate 6051;
the connecting plate 6051 is internally provided with vent holes 6055 with the same number as the stranded wire arms 501, and the vent holes 6055 are communicated with an air inlet cavity 6052 and an air inlet pipeline 606.
In this embodiment, as shown in fig. 3, the central through hole 6057 is formed by through holes formed in central axes of the connecting plate 6051 and the main body 6058, and the cooled cable 8 can pass through the through holes;
the connecting plate 6051 has a protrusion at the communication position of the central through hole 6057, and is inserted into the main body 6058, and the protrusion part is matched with a sealing bearing 6056 arranged on the connecting plate to form sealing, so that gas inside the gas inlet cavity 6052 is prevented from leaking.
In this embodiment, as shown in fig. 1, the paying-off device 1 includes a support frame 101, a second motor 102, a paying-off wheel 103, an insulating layer coating device 104, side plates 105 and a bottom plate 106, the support frame 101 is fixedly mounted on the ground, two side plates 105 are symmetrically disposed above the support frame, wherein the left side plate 105 is driven by the second motor 102 fixedly mounted on the left side of the left side plate to rotate in a vertical plane, and the rotation center and the rotation rate of the left side plate are consistent with those of the stranding mechanism 5;
the side plates 105 are fixedly connected by the bottom plate 106, the bottom plate 106 is arranged between the two side plates 105 in a centrosymmetric manner, and the installation number of the bottom plate 106 is consistent with that of the stranded wire arms 501;
the bottom plate 106 is fixedly provided with a paying-off wheel 103 and an insulating layer coating device 104, and the cable 8 is sent out by the paying-off device 1 after being coated with the insulating layer.
In this embodiment, as shown in fig. 1, talc powder 301 is disposed in the talc tank 3, and the cable 8 is coated with the talc powder 301 after passing through the talc tank 3, so as to prevent the cable 8 from being too hot after being coated with an insulating layer and from being adhered to other mechanisms before reaching the cooling device 6.
Specifically, the transmission of the cable 8 in the device is realized by a cable feeding mechanism and a traction mechanism (not shown in the figure), before the cable 8 is discharged from the pay-off device 1, an insulating layer is wrapped on the cable 8 in an insulating layer wrapping device 104, at the moment, the surface temperature of the insulating layer is higher, in order to prevent the cable 8 from being adhered to the mechanism, the cable 8 enters a talc box 3 after passing through a limiting device 2, is wrapped with talc powder 301, and then the shuttle position of the cable 8 is arranged by a wire arranging unit 4 to accurately enter a wire twisting mechanism 5, the wire twisting mechanism 5 is communicated with a cooling device 6, the cooling work of the cable 8 can be completed while the cable 8 is twisted, compared with the traditional cable 8 processing mode, the scheme integrating wire twisting and cooling into a whole is greatly improved, meanwhile, a longer water channel required in the traditional water cooling method is omitted, and the occupied space of the device is saved, in the stranded wire arm 501, an air outlet 5015 connected to an external heat recovery device (not shown) is opened, the opening of this port is controlled by a safety valve 5013, which, when the gas in the stranding arm 501 is subjected to thermal expansion due to the pressurized input of the gas in the tank 601 and the gas itself, when the pressure exceeds the threshold value, the safety valve 5013 is opened, the hot gas staying in the stranded wire arm 501 for a certain time is guided into the heat recovery device for heat recovery, the stranded wire arm 501 is internally provided with a cleaning channel 5016, the cleaning channel 5016 is arranged in the stranded wire arm 501, so that the action time of the talcum powder 301 can be long enough, the cable 8 is prevented from being adhered to the surface of the cable 8 due to overheating before stranded wire to the maximum extent, after being cooled, the cable 8 enters the cabling device 7 to be sleeved with a sheath, and is wound by the winding wheel 9.
It should be noted that, since the twisting mechanism 5 needs to twist the cables 8 in a rotating manner, the cables 8 rotate at the same speed when passing through the limiting device 2 and the wire arranging unit 4, and the second motor 102 for controlling the rotation of the wire releasing device 1 and the first motor 503 for controlling the twisting mechanism rotate synchronously, the cooling device 6 is provided with an air inlet chamber 605 for matching the rotation, wherein the connecting plate 6051 is controlled by an external motor (not shown) and rotates synchronously with the twisting mechanism 5.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the equivalent alternatives according to the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.