CN108922697B

CN108922697B - Special adhesion-preventing isolation layer spraying equipment for silicon rubber wires and cables

Info

Publication number: CN108922697B
Application number: CN201810751992.XA
Authority: CN
Inventors: 张科
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-07-10
Filing date: 2018-07-10
Publication date: 2020-05-12
Anticipated expiration: 2038-07-10
Also published as: CN108922697A

Abstract

The invention relates to the technical field of spraying equipment, and discloses special spraying equipment for a silicone rubber wire and cable anti-adhesion isolation layer, which comprises a straightening mechanism, a spraying mechanism, an air drying mechanism and a winding mechanism, wherein the straightening mechanism is used for straightening a silicon rubber wire and cable; the spraying mechanism comprises an oil storage tank, an atomizer, an air pump, an integrated block and an annular nozzle, wherein a liquid outlet of the oil storage tank is communicated with a liquid inlet of the atomizer through a connecting pipe, and a liquid outlet of the atomizer and a liquid outlet of the air pump are respectively communicated with a liquid inlet of the integrated block; the annular nozzle is composed of two semi-annular nozzles which are hinged, an annular air outlet is formed in the inner annular surface of each semi-annular nozzle, a sample inlet is formed in the outer annular surface of each semi-annular nozzle, and the sample inlet is communicated with the liquid outlet of the integrated block through a sample inlet pipe; the sampling pipe is provided with an adjusting valve; the spraying equipment disclosed by the invention is more uniform in spraying and better in spraying effect, and the production quality of wires and cables is improved.

Description

Special adhesion-preventing isolation layer spraying equipment for silicon rubber wires and cables

Technical Field

The invention relates to the technical field of spraying equipment, in particular to spraying equipment for an adhesion-preventing isolation layer special for silicon rubber wires and cables.

Background

The silicon rubber wire and cable is processed by adopting a silicon rubber material, has excellent high and low temperature resistance, can be used for a long time at the temperature of minus 60 ℃ to 180 ℃, has better bending property and ageing resistance, is not easy to damage and crack and has long service life. The silicon rubber wire and cable is widely used in the industries of metallurgy, electric power, petrifaction, electronics, automobile manufacturing and the like.

After the production of the silicone rubber electric wire and cable is finished, the chemical properties of the silicone rubber electric wire and cable are not stable, if the silicone rubber electric wire and cable are arranged and extruded mutually without an isolation layer, the condition that the insulation layers or sheaths are mutually adhered generally occurs after 72 hours, and the product quality of the silicone rubber electric wire and cable is seriously affected by the condition. In order to prevent the adhesion, talc powder with an anti-adhesion function is usually added between the insulating layers or the sheaths to serve as a separation layer to perform the functions of lubrication and separation. The particle size of the talcum powder is 200-800 meshes, so that the talcum powder is difficult to settle and easy to cause air pollution; and after being absorbed by human body, the traditional Chinese medicine composition can be adhered to the lung, so that respiratory diseases such as pneumonia and bronchitis are caused. Through various researches, the applicant replaces talcum powder with oil agents such as hand feeling oil and the like, and the isolation film is formed by spraying on the surface of the silicon rubber wire and cable, so that the same lubricating and isolating effects can be achieved. However, when the traditional oil spraying equipment is used for spraying the surfaces of the wires and cables, the problems of low spraying speed, uneven spraying, poor effect and the like still exist.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide special spraying equipment for an adhesion-preventing isolation layer of a silicon rubber wire and cable, so as to solve the problems in the background technology.

In order to achieve the above purpose, the invention provides the following technical scheme:

a spraying device of an adhesion-preventing isolation layer special for silicon rubber wires and cables comprises a straightening mechanism, a spraying mechanism, an air drying mechanism and a winding mechanism; the straightening mechanism comprises a straightener body and a wire discharge groove, two rows of straightening wheels are arranged on the straightener body, the central shafts of the straightening wheels of each row are positioned in the same plane, and each straightening wheel is rotatably connected with the straightener body; the wire discharge groove is fixedly arranged on the straightening mechanism; the spraying mechanism comprises an oil storage tank, an atomizer, an air pump, an integrated block and an annular nozzle, wherein a liquid outlet of the oil storage tank is communicated with a liquid inlet of the atomizer through a connecting pipe, and a liquid outlet of the atomizer and a liquid outlet of the air pump are respectively communicated with a liquid inlet of the integrated block; the annular nozzle is composed of two semi-annular nozzles which are hinged, an annular air outlet is formed in the inner annular surface of each semi-annular nozzle, a sample inlet is formed in the outer annular surface of each semi-annular nozzle, and the sample inlet is communicated with the liquid outlet of the integrated block through a sample inlet pipe; the sampling pipe is provided with an adjusting valve; the air drying mechanism comprises an air drying cylinder, a ventilation pipe and an air blower, wherein a first round hole and a second round hole are formed in two opposite ends of the air drying cylinder; the first round hole, the ventilation pipe, the second round hole, the annular nozzle and the wire releasing groove are coaxially arranged; a spiral empty groove is formed in the ventilation pipe; the bottom of the air drying cylinder is fixedly connected with an air drying cylinder base through welding, the air drying cylinder is provided with an air inlet pipeline in a penetrating way, and the air inlet pipeline is communicated with the air blower; the winding mechanism is close to the second round hole and is fixedly connected with an output shaft of the first motor.

In the invention, further, a second motor is fixedly installed on the straightening mechanism, a driving gear is fixedly installed on an output shaft of the second motor, the driving gear is meshed with a driven gear, and the driving gear and the driven gear are respectively and fixedly connected with two straightening wheels far away from the wire releasing groove through connecting shafts.

In the invention, further, the spraying mechanism is provided with a protective cover, and the protective cover is arranged between the straightening mechanism and the air drying mechanism.

In the invention, further, the protective cover comprises a base and a baffle, the baffle is arc-shaped, and one end of the baffle is hinged with the base; the upper cover plate of the base is arc-shaped, the upper cover plate corresponds to the baffle, the sample inlet pipe penetrates through the upper cover plate, and the upper cover plate is provided with a plurality of liquid leakage holes.

In the invention, further, the sample inlet pipe comprises an arc-shaped branch pipe and a connecting main pipe, the arc-shaped branch pipe is welded and communicated with the connecting main pipe, two ends of the arc-shaped branch pipe are respectively communicated with a sample inlet of each semi-annular nozzle, the connecting main pipe is provided with an adjusting valve, and one end of the connecting main pipe, which is far away from the arc-shaped branch pipe, is communicated with a liquid outlet of the manifold block.

Compared with the prior art, the invention provides the special spraying equipment for the silicon rubber wires and cables, which has the advantages and beneficial effects that:

(1) through being provided with mutually supporting between annular air outlet and the annular nozzle, can make the central point of annular nozzle put and produce a low pressure region, this low pressure region forms even stable high-pressure draught with the atmospheric pressure difference value of surrounding air, this high-pressure draught can carry the atomizing oil of feeling and carry out even spraying to the outside of cable, and because the annular nozzle comprises hinged joint, make the annular nozzle can produce powerful air current and blowing power, and the gas consumption is less, the spraying is more even, the spraying effect is better, the quality of wire and cable production has been improved.

(2) Through the manifold block that sets up, the air pump, mutually support between atomizer and the governing valve, the air pump can compress earlier the air inlet that gets into the manifold block bottom again with the outside air, simultaneously the oil of feeling in the oil storage tank is pumped to the atomizer by the oil pump in, the atomization effect through the atomizer makes the oil form of feeling turn into the tiny particle oil mist earlier, the oil inlet that gets into the manifold block bottom again mixes with compressed air and forms high-pressure oil mist, the governing valve plays the regulating action to the oil mist atmospheric pressure of the pressure of high-pressure oil mist, make electric wire and cable outside spraying feel oil more even, thereby avoided high-pressure oil mist low or the inhomogeneous problem of the oil spraying of feeling that causes excessively high.

(3) Through set up the safety cover between straightening mechanism and air-drying mechanism, can prevent to splash polluted air and harm health from annular shower nozzle spun oil mist, the baffle that sets up in addition can block unnecessary oil mist and collect through the inflow weeping hole, has practiced thrift the spraying oil resource when having guaranteed that the environment is clean and tidy.

(4) One layer of atomized hand feeling oil is uniformly coated outside the cable through the spraying mechanism, the traditional talcum powder coating coated outside the cable is replaced, the problem of poor air quality caused by the deposition of talcum powder dust particles in the air can be avoided, and even adverse effects such as harm to a human body are caused.

Drawings

FIG. 1 is a schematic structural diagram of a spraying apparatus dedicated for silicone rubber wires and cables according to a preferred embodiment of the present invention;

FIG. 2 is a schematic view of a partial structure of a special spraying apparatus according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a semi-annular showerhead in an embodiment of the present invention;

FIG. 4 is an enlarged view of FIG. 3 at A;

FIG. 5 is a schematic structural diagram of a spraying apparatus dedicated for silicone rubber wires and cables according to another preferred embodiment of the present invention;

FIG. 6 is a schematic structural view of a protective cover according to an embodiment of the present invention;

FIG. 7 is a flow chart of a dedicated spray coating device in an embodiment of the present invention;

fig. 8 is a flow chart of the spray mechanism in an embodiment of the present invention.

Description of the main elements in the figures: 1-straightening mechanism, 101-straightener body, 102-wire discharging groove, 2-spraying mechanism, 201-oil storage tank, 202-atomizer, 203-air pump, 204-integrated block, 205-annular nozzle, 2051-semicircular nozzle, 2052-annular air outlet, 2053-sample inlet, 3-air drying mechanism, 301-air drying cylinder, 3011-first round hole, 3012-second round hole, 302-ventilation pipe, 3021-spiral empty groove, 303-blower, 304-air drying cylinder base, 305-air inlet pipeline, 4-wire winding mechanism, 5-straightening wheel, 6-oil pump, 7-arc branch pipe, 71-connecting main pipe, 72-movable rod, 8-regulating valve, 9-first motor, 10-second motor, 11-driving gear, 12-driven gear, 13-protective cover, 131-base, 1311-upper cover plate and 1312-liquid leakage hole.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

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.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Example 1: referring to fig. 1 to 3 and fig. 6, embodiment 1 of the present invention provides a special spraying apparatus for silicon rubber wires and cables, including a straightening mechanism 1, a spraying mechanism 2, an air drying mechanism 3 and a winding mechanism 4; the straightening mechanism 1 comprises a straightener body 101 and a wire releasing groove 102, two rows of straightening wheels 5 are arranged on the straightener body 101, the central shafts of the straightening wheels 5 in each row are located in the same plane, each straightening wheel 5 is rotatably connected with the straightener body 101, and the straightening wheels 5 straighten the wire and the cable to be sprayed, so that the surface of the wire and the cable is smoother, and the wire and the cable are more uniform in spraying; the wire discharging groove 102 is fixedly arranged on the straightening mechanism 1; the spraying mechanism 2 comprises an oil storage tank 201, an atomizer 202, an air pump 203, an integrated block 204 and an annular nozzle 205, wherein a liquid outlet of the oil storage tank 201 is communicated with a liquid inlet of the atomizer 202 through a connecting pipe, the oil storage tank 201 injects oil such as hand feeling oil into the atomizer 202 under the power of an oil pump 6, and the model of the oil pump is 6NOP TOP-4200AMIVB 0.5 mpa; the liquid outlet of the atomizer 202 and the liquid outlet of the air pump 203 are respectively communicated with the liquid inlet of the manifold block 204, and the model of the air pump 203 is a BECKER VT4.8 dry vacuum pump; the annular nozzle 205 is composed of two semicircular nozzles 2051, the two semicircular nozzles 2051 are hinged, an annular air outlet 2052 is formed in the inner annular surface of each semicircular nozzle 2051, a sample inlet 2053 is formed in the outer annular surface of each semicircular nozzle 2051, and the sample inlet 2053 is communicated with a liquid outlet of the manifold block 204 through a sample inlet pipe 7; the sampling pipe 7 is provided with a regulating valve 8, in the embodiment, the model of the regulating valve 8 is PROGRAMMABLE AIR REGULATED VALVE (BINARY) -PAR-15, and the specification is 0-10 bar; the air drying mechanism 3 comprises an air drying cylinder 301, a ventilation pipe 302 and an air blower 303, wherein a first round hole 3011 and a second round hole 3012 are formed at two opposite ends of the air drying cylinder 301, the ventilation pipe 302 is fixedly connected with two ends of the inner wall of the air drying cylinder 301, and the first round hole 3011, the ventilation pipe 302 and the second round hole 3012 are communicated to form a wire placing channel; the first round hole 3011, the ventilation pipe 302, the second round hole 3012, the annular nozzle 205 and the wire discharge groove 102 are coaxially arranged; a spiral empty groove 3021 is formed in the ventilation pipe 302; the bottom of the air drying cylinder 301 is fixedly connected with an air drying cylinder base 304 through welding, the air drying cylinder 301 is provided with an air inlet pipeline 305 in a penetrating manner, the air inlet pipeline 305 is communicated with the air blower 303, and the model of the air blower 303 is L20-420/120-WB; the winding mechanism 4 is close to the second round hole 3012 and is fixedly connected with an output shaft of the first motor 9, and the model of the first motor 9 is 6RK 15K-SR. And the wire winding mechanism 4 winds the air-dried electric wires and cables, packages the electric wires and cables into coils and is convenient to transport and store.

In this embodiment, the straightening mechanism 1 is fixedly installed with a second motor 10, the model of which is 2TK6S-AP, an output shaft of the second motor 10 is fixedly installed with a driving gear 11, the driving gear 11 is engaged with a driven gear 12, and the driving gear 11 and the driven gear 12 are respectively and fixedly connected with two straightening wheels 5 far away from the wire discharge groove 102 through connecting shafts. During the use, second motor 10 work is rotated and is driven driving gear 11 and rotate, and driving gear 11 drives straightener roller 5 through the meshing with driven gear 12 and rotates, and wire and cable straightens through straightening mechanism 1 for wire and cable's surface is more level and smooth, and is more even during the spraying, and the spraying effect is better, has improved the quality of wire and cable production.

In this embodiment, the sampling tube 7 includes the arc branch 71 and is connected the person in charge 72, the arc branch 71 with it connects the person in charge 72 welding intercommunication to connect, the both ends of arc branch 71 respectively with each the introduction port 2053 intercommunication of semicircular shower nozzle 2051, it is equipped with governing valve 8 on the person in charge 72 to connect, it keeps away from to connect the person in charge 72 the one end of arc branch 71 with the liquid outlet intercommunication of manifold block 204.

The working principle is as follows: firstly, an operator starts the second motor 10 to work, the rotation of the second motor 10 drives the driving gear 11 to rotate, the driving gear 11 drives the straightening wheel 5 to rotate through the meshing action with the driven gear 12, the electric wire and cable move to the straightening mechanism 1 and continue to advance and are conveyed to the wire discharge groove 102 through the two rows of rotating straightening wheels 5, the electric wire and cable continue to advance along with the continuous rotation of the straightening wheel 5 so that the end part of the electric wire and cable enters the spraying mechanism 2, at the moment, the air pump 203 is started to enable the spraying mechanism 2 to work, the air pump 203 enables outside air to be compressed and then enters the manifold block 204 through an air inlet at the bottom of the manifold block 204, meanwhile, hand feeling oil in the oil storage tank 201 is pumped into the atomizer 202 by the oil pump, the hand feeling oil form is converted into small-particle oil mist through the atomizing action of the atomizer 202, and oil mist particles enter, the high-pressure oil mist which forms uniform together with the compressed air is discharged through a mixing port of the manifold block 204, then the high-pressure oil mist enters the annular nozzle 205 through the regulating valve 8 and is sprayed out through an annular air outlet 2052 of the annular nozzle 205 to finish the spraying process of uniformly coating a layer of hand feeling oil on the outer part of the wire cable, the regulating valve 8 plays a role in regulating the oil mist pressure of the high-pressure oil mist, the problem of uneven spraying of the hand feeling oil caused by too low or too high pressure oil mist is avoided, so that the hand feeling oil sprayed on the outer part of the wire cable is more uniform, then the sprayed wire cable is continuously conveyed forwards to enter the air drying mechanism 3 for air drying, the wire cable enters a wire placing channel of the air drying mechanism 3 from the first round hole 3011, and because the air blower 303 is communicated with the air inlet pipeline 305, when the air blower 303 is, the air current forms the swirl air current through the spiral dead slot 3021 that sets up on ventilation pipe 302 and blows over wire and cable for the outside oily drying process of feeling of wire and cable, the wire and cable after air-drying is twined through the other wire winding mechanism 4 of 3012 of second round hole, and the lapping is packed on the spool, and the wire and cable of being convenient for carries out next process.

Example 2: the difference from the embodiment 1 is that, as shown in fig. 4 and 5, the spraying means 2 is provided with a protective cover 13, and the protective cover 13 is disposed between the straightening means 1 and the air drying means 3. Further, the protective cover 13 includes a base 131 and a baffle 132, the baffle 132 is arc-shaped, and one end of the baffle 132 is hinged to the base 131; the upper cover plate 1311 of the base 131 is arc-shaped, the upper cover plate 1311 corresponds to the baffle 132, the sample inlet pipe 7 penetrates through the upper cover plate 1311, and the upper cover plate 1311 is provided with a plurality of liquid leakage holes 1312. The protective cover 13 can prevent the oil mist sprayed from the annular spray head 25 from splashing to pollute the air and harm the human health; meanwhile, the redundant oil mist is blocked by the baffle 132 and flows into the leakage hole 1312 after being condensed, so that the oil mist can be collected, and the waste is effectively avoided.

The above description is intended to describe in detail the preferred embodiments of the present invention, but the embodiments are not intended to limit the scope of the claims of the present invention, and all equivalent changes and modifications made within the technical spirit of the present invention should fall within the scope of the claims of the present invention.

Claims

1. The utility model provides a special adhesion isolation layer spraying equipment that prevents of silicon rubber wire and cable which characterized in that: comprises a straightening mechanism (1), a spraying mechanism (2), an air drying mechanism (3) and a winding mechanism (4);

the straightening mechanism (1) comprises a straightener body (101) and a wire releasing groove (102), two rows of straightening wheels (5) are arranged on the straightener body (101), the central shafts of the straightening wheels (5) of each row are positioned in the same plane, and each straightening wheel (5) is rotatably connected with the straightener body (101); the wire discharging groove (102) is fixedly arranged on the straightening mechanism (1);

the spraying mechanism (2) comprises an oil storage tank (201), an atomizer (202), an air pump (203), an integrated block (204) and an annular spray head (205), wherein a liquid outlet of the oil storage tank (201) is communicated with a liquid inlet of the atomizer (202) through a connecting pipe, and a liquid outlet of the atomizer (202) and a liquid outlet of the air pump (203) are respectively communicated with a liquid inlet of the integrated block (204); the annular nozzle (205) is composed of two semicircular nozzles (2051), the two semicircular nozzles (2051) are hinged, an annular air outlet (2052) is formed in the inner annular surface of each semicircular nozzle (2051), a sample inlet (2053) is formed in the outer annular surface of each semicircular nozzle (2051), and the sample inlet (2053) is communicated with a liquid outlet of the manifold block (204) through a sample inlet pipe (7); the sampling pipe (7) is provided with an adjusting valve (8);

the air drying mechanism (3) comprises an air drying cylinder (301), a ventilation pipe (302) and an air blower (303), wherein a first round hole (3011) and a second round hole (3012) are formed in two opposite ends of the air drying cylinder (301), the ventilation pipe (302) is fixedly connected with two ends of the inner wall of the air drying cylinder (301), and the first round hole (3011), the ventilation pipe (302) and the second round hole (3012) are communicated to form a wire placing channel; the first round hole (3011), the ventilation pipe (302), the second round hole (3012), the annular nozzle (205) and the wire discharge groove (102) are coaxially arranged; a spiral empty groove (3021) is formed in the ventilation pipe (302); the bottom of the air drying cylinder (301) is fixedly connected with an air drying cylinder base (304) through welding, the air drying cylinder (301) is provided with an air inlet pipeline (305) in a penetrating mode, and the air inlet pipeline (305) is communicated with the air blower (303);

and the winding mechanism (4) is close to the second round hole (3012) and is fixedly connected with an output shaft of the first motor (9).

2. The spraying equipment for the adhesion-preventing isolation layer special for the silicon rubber electric wires and cables is characterized in that a second motor (10) is fixedly installed on the straightening mechanism (1), a driving gear (11) is fixedly installed on an output shaft of the second motor (10), the driving gear (11) is meshed with a driven gear (12), and the driving gear (11) and the driven gear (12) are fixedly connected with two straightening wheels (5) far away from the wire releasing groove (102) through connecting shafts respectively.

3. The spraying equipment for the adhesion-preventing isolation layer special for the silicon rubber wire and cable as claimed in claim 1, wherein the spraying mechanism (2) is provided with a protective cover (13), and the protective cover (13) is arranged between the straightening mechanism (1) and the air drying mechanism (3).

4. The spraying equipment of the adhesion-preventing isolation layer special for the silicon rubber electric wires and cables is characterized in that the protective cover (13) comprises a base (131) and a baffle (132), the baffle (132) is arc-shaped, and one end of the baffle (132) is hinged with the base (131); the upper cover plate (1311) of the base (131) is arc-shaped, the upper cover plate (1311) and the baffle (132) are correspondingly arranged, the sample inlet pipe (7) penetrates through the upper cover plate (1311), a plurality of liquid leakage holes (1312) are formed in the upper cover plate (1311), and the sample inlet pipe (7) comprises an arc-shaped branch pipe (71) and a connecting main pipe (72).

5. The spraying equipment for the adhesion-preventing isolation layer special for the silicon rubber wire and cable as claimed in claim 4, wherein the arc branch pipe (71) is in welding communication with the connecting main pipe (72), two ends of the arc branch pipe (71) are respectively communicated with the injection port (2053) of each semicircular nozzle (2051), and one end of the connecting main pipe (72) far away from the arc branch pipe (71) is communicated with the liquid outlet of the manifold block (204).