CN113450974A

CN113450974A - Low-smoke halogen-free flame-retardant cable sheath and coating equipment thereof

Info

Publication number: CN113450974A
Application number: CN202110637605.1A
Authority: CN
Inventors: 王振岐; 杨敏; 吴云
Original assignee: Anhui Zhenghao Cable Co ltd
Current assignee: Anhui Zhenghao Cable Co ltd
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2021-09-28
Anticipated expiration: 2041-06-08
Also published as: CN113450974B

Abstract

The invention relates to the technical field of cable coating, in particular to a low-smoke halogen-free flame-retardant cable sheath and coating equipment thereof. The cooling box of the cooling mechanism designed by the invention is provided with the heat dissipation holes in the conveying pipe, so that the cooling effect can be improved, and meanwhile, the cold air advancing direction is opposite to the cable advancing direction after coating, so that the cooling effect is improved. After passing through the cooling box, cold air is changed into hot air, and the hot air enters the heat preservation cavity to preserve heat of the heating box and the conveying pipe, so that the energy consumption is reduced, and the material is prevented from being cooled too fast. After hot-blast discharge after the filter core filters, can preheat the cable that does not wrap, improve the cladding effect. The filter core of this device design of design is sealed through first sealing strip and second sealing strip, when needs renew cartridge, only needs the unscrewing bolt, then inserts out the tuber pipe with new filter core from one side, and is ejecting from the opposite side with old filter core, but the device normal work in the replacement process has avoided harmful impurity to reveal simultaneously.

Description

Low-smoke halogen-free flame-retardant cable sheath and coating equipment thereof

Technical Field

The invention relates to the technical field of cable coating, in particular to a low-smoke halogen-free flame-retardant cable sheath and coating equipment thereof.

Background

The cable is a similar rope formed by twisting a plurality of or a plurality of groups of wires and is used for transmitting electric power or information from one place to another place, each group of wires are mutually insulated, and a coating device is required to coat an insulating layer on the periphery of the cable in order to prevent accidents such as short circuit, electric leakage and the like of the cable in the use process; at present, after a cable is produced, a coating material needs to be heated in advance to be in a molten state, meanwhile, the coated material needs to be cooled, energy consumption is needed in heating and cooling stages, and harmful gas can be generated when the coating material is at a high temperature, so that the energy consumption can be reduced, and a coating device for filtering the harmful gas is very necessary.

Disclosure of Invention

In view of the above-mentioned shortcomings, the present invention provides a low-smoke halogen-free flame-retardant cable sheath and its coating device.

The purpose of the invention can be realized by the following technical scheme:

a low-smoke halogen-free flame-retardant cable sheath and a coating device thereof comprise a rack, a coating mechanism and a cooling mechanism, wherein the rack comprises a mounting plate, a feeding guide roller is arranged on the left side of the upper surface of the mounting plate, and a discharging guide roller is arranged on the right side of the upper surface of the mounting plate;

cladding mechanism is including setting up the cladding case at the mounting panel upper surface, cladding case right side is provided with the seal cover, cladding case upper surface intercommunication has the conveying pipeline, conveying pipeline upper surface intercommunication has the heating cabinet, heating cabinet upper surface intercommunication has the storage tank, the storage tank upper surface is provided with the feed inlet, the heating cabinet outside is provided with the insulation can, the insulation can inboard is provided with the heat preservation chamber, insulation can right side intercommunication has the air-supply line, insulation can left side intercommunication has the play tuber pipe, it has the filter core to go out tuber pipe sliding connection, it is provided with movable clamp plate to go out tuber pipe both sides face symmetry, movable clamp plate right side is provided with solid fixed splint.

Furthermore, the feeding guide roller comprises two supports which are distributed in parallel, two rollers which are arranged in parallel are rotatably linked on the inner side of each support, grooves are formed in the cylindrical surfaces of the rollers, and the discharging guide roller is identical in structure to the feeding guide roller.

Furthermore, a second sealing strip is arranged on the right side face of the movable clamping plate.

Furthermore, the fixed splint are fixed on the side surface of the air outlet pipe. The side of the fixed splint close to the movable splint is provided with a first sealing strip.

Furthermore, the fixed clamping plate and the movable clamping plate are connected with bolts in a threaded manner at the side parts close to the upper surface and the lower surface.

Further, cooling body is including setting up the cooler bin at the mounting panel upper surface, and the cooler bin bilateral symmetry distributes there is sealed lid, left sealed lid and air-supply line intercommunication, and the cooler bin bilateral symmetry is opened there is the screw hole, and the screw hole inboard is provided with the boss, and the boss inboard is opened there is the ventilation hole, and the ventilation hole inboard is provided with the conveyer pipe, and the cooler bin side is provided with the fan, and the sealed lid intercommunication on fan and right side.

Furthermore, a plurality of radiating holes distributed circumferentially are formed in the cylindrical surface of the conveying pipe, fixing blocks are arranged on two sides of the cylindrical surface of the conveying pipe, and the fixing blocks are fixed on the cooling box.

Furthermore, one end of the cooling box outside the cylindrical surface of the sealing cover is rotatably connected with a rotating sleeve, and the rotating sleeve is in threaded connection with the threaded hole.

Furthermore, the end face, close to the cooling box, of the sealing cover is provided with a first sealing ring, a plurality of air outlets of the ventilation openings are distributed on the circumference of the inner side of the first sealing ring, and a second sealing ring is arranged on the inner side of each air outlet. The first sealing ring is matched with the boss, and the second sealing ring is matched with the conveying pipe.

The invention has the beneficial effects that:

1. the cooling box of the cooling mechanism designed by the invention is provided with the heat dissipation holes in the conveying pipe, so that the cooling effect can be improved, and meanwhile, the cold air advancing direction is opposite to the cable advancing direction after coating, so that the cooling effect is improved. After passing through the cooling box, cold air is changed into hot air, and the hot air enters the heat preservation cavity to preserve heat of the heating box and the conveying pipe, so that the energy consumption is reduced, and the material is prevented from being cooled too fast. After hot-blast discharge after the filter core filters, can preheat the cable that does not wrap, improve the cladding effect.

2. The filter element designed by the device is sealed by the first sealing strip and the second sealing strip, when the filter element needs to be replaced, only the bolt needs to be unscrewed, then a new filter element is inserted into the air outlet pipe from one side, and the old filter element is ejected out from the other side.

Drawings

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without creative efforts;

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of a feed guide roll;

FIG. 3 is a schematic structural view of the coating mechanism;

FIG. 4 is a schematic view of the air outlet pipe;

FIG. 5 is an exploded view of the cooling mechanism;

FIG. 6 is a cross-sectional view of the cooling box;

fig. 7 is a schematic view of the structure of the sealing cap.

The reference numbers in the figures illustrate:

1. a frame; 11. mounting a plate; 12. a feed guide roll; 121. a support; 122. a roller; 1221. a groove; 13. a discharge guide roller; 2. a coating mechanism; 21. a material storage tank; 211. a feed inlet; 22. a heating box; 23. a heat preservation box; 231. a heat preservation cavity; 232. an air inlet pipe; 233. an air outlet pipe; 2331. a movable splint; 2332. fixing the clamping plate; 2333. a bolt; 2334. a first seal strip; 2335. a second seal strip; 234. a filter element; 24. a delivery pipe; 25. a coating box; 251. sealing sleeves; 3. a cooling mechanism; 31. a cooling tank; 311. a threaded hole; 312. a boss; 313. a vent hole; 314. a delivery pipe; 3141. heat dissipation holes; 3142. a fixed block; 32. a sealing cover; 321. rotating the sleeve; 322. a first seal ring; 323. an air outlet; 324. a second seal ring; 33. a fan.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.

A low-smoke halogen-free flame-retardant cable sheath and a coating device thereof comprise a frame 1, a coating mechanism 2 and a cooling mechanism 3.

As shown in fig. 1 and 2, the frame 1 includes a mounting plate 11, a feeding guide roller 12 is disposed on the left side of the upper surface of the mounting plate 11, and a discharging guide roller 13 is disposed on the right side of the upper surface of the mounting plate 11. The feeding guide roller 12 comprises two brackets 121 distributed in parallel, two rollers 122 arranged in parallel are rotatably connected to the inner sides of the brackets 121, and grooves 1221 are formed in the cylindrical surfaces of the rollers 122. The structure of the discharging guide roller 13 is the same as that of the feeding guide roller 12, but the size of the discharging guide roller is matched with that of the coated cable, the cable enters the device through the feeding guide roller 12, the coated cable leaves the device through the discharging guide roller 13, and the traction mechanism is the prior art and is not repeated in the device.

As shown in fig. 1, 3 and 4, the coating mechanism 2 includes a coating box 25 disposed on the upper surface of the mounting plate 11, a sealing sleeve 251 is disposed on the right side of the coating box 25, a feed pipe 24 is communicated with the upper surface of the coating box 25, a heating box 22 is communicated with the upper surface of the feed pipe 24, a storage tank 21 is communicated with the upper surface of the heating box 22, and a feed inlet 211 is disposed on the upper surface of the storage tank 21. The heat preservation box 23 is arranged on the outer side of the heating box 22, the heat preservation cavity 231 is arranged on the inner side of the heat preservation box 23, the air inlet pipe 232 is communicated with the right side of the heat preservation box 23, the air outlet pipe 233 is communicated with the left side of the heat preservation box 23, the filter element 234 is connected with the air outlet pipe 233 in a sliding mode, the movable clamping plates 2331 are symmetrically arranged on the two side faces of the air outlet pipe 233, the second sealing strip 2335 is arranged on the right side face of the movable clamping plate 2331, the fixed clamping plate 2332 is arranged on the right side face of the movable clamping plate 2331, and the fixed clamping plate 2332 is fixed on the side face of the air outlet pipe 233. The fixed clamp plate 2332 is provided with a first sealing strip 2334 on the side adjacent to the movable clamp plate 2331. Bolts 2333 are screwed to the sides of the fixed plate 2332 and the movable plate 2331 near the upper and lower surfaces.

As shown in fig. 1, 5, and 6, the cooling mechanism 2 includes a cooling box 31 disposed on the upper surface of the mounting plate 11, sealing covers 32 are symmetrically distributed on both sides of the cooling box 31, the sealing cover 32 on the left side is communicated with the air inlet pipe 232, threaded holes 311 are symmetrically formed on both sides of the cooling box 31, bosses 312 are disposed on inner sides of the threaded holes 311, vent holes 313 are formed on inner sides of the bosses 312, delivery pipes 314 are disposed on inner sides of the vent holes 313, fixing blocks 3142 are disposed on both sides of the cylindrical surface of the delivery pipes 314, and the fixing blocks 3142 are fixed on the cooling box 31. The cylindrical surface of the conveying pipe 314 is provided with a plurality of heat dissipation holes 3141 distributed circumferentially, the side of the cooling box 31 is provided with a fan 33, and the fan 33 is communicated with the right sealing cover 32.

As shown in fig. 1 and 7, one end of the cooling box 31 outside the cylindrical surface of the sealing cover 32 is rotatably connected with a rotating sleeve 321, the rotating sleeve 321 is in threaded connection with the threaded hole 311, a first sealing ring 322 is arranged on the end surface of the sealing cover 32 close to the cooling box 31, a plurality of air outlet openings 323 are circumferentially distributed on the inner side of the first sealing ring 322, and a second sealing ring 324 is arranged on the inner side of the air outlet opening 323. The first seal 322 engages the boss 312 and the second seal 324 engages the delivery tube 314.

The working principle is as follows:

the device during operation, at first, the cable that does not wrap up gets into cladding case 25 through the guide of feeding guide roll 12, the fire-retardant raw and other materials of low smoke and zero halogen who deposits in the storage tank 21 of cladding case 25 top get into heating box 22 and heat and become the melten state, get into cladding case 25 through conveying pipeline 24, wrap up the cable, the cable after the cladding gets into cooler bin 31 through seal cover 251, fan 33 pours cold wind into sealed lid 32, sealed lid 32 is hollow structure, the cold wind that pours into gets into ventilation hole 313 by air outlet 323, cool down the cable after the cladding, the cable advancing direction after cold wind flow direction and the cladding is opposite, the cooling cable that can be more abundant. The cold air becomes hot air after passing through the cooling box 31, and the hot air enters the heat preservation cavity 231 of the heat preservation box 23 through the sealing cover 32 on the right side, so that the heat preservation of the heating box 22 and the conveying pipeline 24 can be realized, the energy consumption is reduced, and meanwhile, the phenomenon that the cladding effect is influenced due to the fact that the material temperature in a molten state is cooled too fast is avoided. Hot-blast through the heat preservation chamber 231 back through play tuber pipe 233 discharge, when going out tuber pipe 233, because hot-blast and the cable direct contact after the cladding can dope some harmful impurity, filter element 234 can filter the harmful impurity that adsorbs in the hot-blast, prevents the polluted environment. The outlet pipe 233 is opened downwards and is opposite to the cable which is not coated, so that the cable which is not coated can be preheated, and the coating effect is improved after the preheated cable enters the coating box 25. When the filter element needs to be replaced, only the bolts at the left side and the right side of the air outlet pipe 233 need to be unscrewed, so that the first sealing strip 2334, the second sealing strip 2335 and the filter element 234 are separated, and then the new filter element 234 can be directly plugged into the air outlet pipe 233, and the old filter element is ejected out from the other side. And harmful gas is prevented from being discharged in the replacement process.

The beneficial effects are as follows:

the inside conveyer pipe 314 of cooling box 31 of the cooling body 3 of the device design is opened has louvre 2341, can promote the cooling effect, and cold wind direction of advance is opposite with the cable direction of advance behind the cladding simultaneously, has improved the cooling effect. After passing through the cooling box 31, the cold air is changed into hot air, and the hot air enters the heat preservation cavity 231 to preserve heat of the heating box 22 and the conveying pipe 24, so that energy consumption is reduced, and the material is prevented from being cooled too fast. After the hot air is discharged after being filtered by the filter element 234, the uncoated cable can be preheated, and the coating effect is improved.

The filter element 234 designed by the device is sealed by the first sealing strip 2334 and the second sealing strip 2335, when the filter element needs to be replaced, only the bolt 2333 needs to be unscrewed, then the new filter element 234 is inserted into the air outlet pipe 234 from one side, and the old filter element 234 is ejected out from the other side, so that the device can normally work in the replacement process, and meanwhile, the leakage of harmful impurities is avoided.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.

Claims

1. A low-smoke halogen-free flame-retardant cable sheath and coating equipment thereof comprise a rack (1), a coating mechanism (2) and a cooling mechanism (3), and are characterized in that the rack (1) comprises a mounting plate (11), a feeding guide roller (12) is arranged on the left side of the upper surface of the mounting plate (11), and a discharging guide roller (13) is arranged on the right side of the upper surface of the mounting plate (11);

the coating mechanism (2) comprises a coating box (25) arranged on the upper surface of the mounting plate (11), a sealing sleeve (251) is arranged on the right side of the coating box (25), a conveying pipe (24) is communicated with the upper surface of the coating box (25), a heating box (22) is communicated with the upper surface of the conveying pipe (24), a storage tank (21) is communicated with the upper surface of the heating box (22), a feeding hole (211) is formed in the upper surface of the storage tank (21), an insulation box (23) is arranged on the outer side of the heating box (22), an insulation cavity (231) is arranged on the inner side of the insulation box (23), an air inlet pipe (232) is communicated with the right side of the insulation box (23), an air outlet pipe (233) is communicated with the left side of the insulation box (23), a filter core (234) is slidably connected to the air outlet pipe (233), movable clamping plates (2331) are symmetrically arranged on the two side surfaces of the air outlet pipe (233), and fixed clamping plates (2332) are arranged on the right side of the movable clamping plates (2331).

2. The low-smoke halogen-free flame-retardant cable sheath and the coating equipment thereof as claimed in claim 1, wherein the feeding guide roller (12) comprises two supports (121) distributed in parallel, two rollers (122) arranged in parallel are rotatably linked at the inner side of each support (121), a groove (1221) is formed in the cylindrical surface of each roller (122), and the structure of the discharging guide roller (13) is the same as that of the feeding guide roller (12).

3. The sheath of low-smoke halogen-free flame-retardant cable and the coating device thereof as claimed in claim 1, wherein the right side of the movable clamp plate (2331) is provided with a second sealing strip (2335).

4. The sheath of low-smoke halogen-free flame-retardant cable and the coating device thereof as claimed in claim 1, wherein the fixing clamp plate (2332) is fixed on the side of the air outlet pipe (233). The side of the fixed splint (2332) close to the movable splint (2331) is provided with a first sealing strip (2334).

5. The sheath of low smoke zero halogen flame retardant cable and the coating apparatus thereof as claimed in claim 1, wherein bolts (2333) are screwed on the sides of the fixed clamp plate (2332) and the movable clamp plate (2331) close to the upper surface and the lower surface.

6. The low-smoke halogen-free flame-retardant cable sheath and the coating equipment thereof as claimed in claim 1, wherein the cooling mechanism (2) comprises a cooling box (31) arranged on the upper surface of the mounting plate (11), sealing covers (32) are symmetrically distributed on two sides of the cooling box (31), the sealing cover (32) on the left side is communicated with an air inlet pipe (232), threaded holes (311) are symmetrically formed in two sides of the cooling box (31), bosses (312) are arranged on the inner sides of the threaded holes (311), vent holes (313) are formed in the inner sides of the bosses (312), conveying pipes (314) are arranged on the inner sides of the vent holes (313), fans (33) are arranged on the lateral sides of the cooling box (31), and the fans (33) are communicated with the sealing covers (32) on the right side.

7. The sheath and the cladding device thereof according to claim 6, characterized in that the cylindrical surface of the conveying pipe (314) is provided with a plurality of heat dissipation holes (3141) distributed circumferentially, two sides of the cylindrical surface of the conveying pipe (314) are provided with fixing blocks (3142), and the fixing blocks (3142) are fixed on the cooling box (31).

8. The low-smoke zero-halogen flame-retardant cable sheath and the coating equipment thereof as claimed in claim 6, wherein one end of the cooling box (31) outside the cylindrical surface of the sealing cover (32) is rotatably connected with a rotating sleeve (321), and the rotating sleeve (321) is in threaded connection with the threaded hole (311).

9. The low-smoke halogen-free flame-retardant cable sheath and the coating equipment thereof as claimed in claim 6, wherein the end surface of the sealing cover (32) close to the cooling box (31) is provided with a first sealing ring (322), a plurality of vent outlets (323) are distributed on the circumference of the inner side of the first sealing ring (322), and a second sealing ring (324) is arranged on the inner side of the vent outlets (323). The first sealing ring (322) is matched with the boss (312), and the second sealing ring (324) is matched with the delivery pipe (314).