CN111992448A - Liquid graphite coating system for medium-high voltage cable - Google Patents
Liquid graphite coating system for medium-high voltage cable Download PDFInfo
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- CN111992448A CN111992448A CN202010790372.4A CN202010790372A CN111992448A CN 111992448 A CN111992448 A CN 111992448A CN 202010790372 A CN202010790372 A CN 202010790372A CN 111992448 A CN111992448 A CN 111992448A
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- liquid graphite
- sponge
- coating
- wire passing
- high voltage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
- B05C11/023—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C13/00—Means for manipulating or holding work, e.g. for separate articles
- B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/0241—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to elongated work, e.g. wires, cables, tubes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Coating Apparatus (AREA)
Abstract
The invention discloses a liquid graphite coating system for a medium-high voltage cable, which comprises a liquid graphite extrusion device, wherein a radial coating device and an axial coating device are sequentially arranged at the downstream of the liquid graphite extrusion device, a wire passing port is arranged below the liquid graphite extrusion device, a discharge port on the liquid graphite extrusion device is aligned with the wire passing port, the radial coating device comprises a rotating seat, two ends of the rotating seat are connected with a plurality of sponge wheels through chucks, a first wire passing hole is formed between the sponge wheels, the axial coating device comprises a sponge barrel, axial coating sponge is arranged on the inner surface of the sponge barrel, a second wire passing hole is arranged in the middle of the sponge barrel, and the wire inlet, the first wire passing hole and the second wire passing hole are positioned on the same axis; according to the invention, the fluidity of the liquid graphite is improved by the liquid graphite extrusion device, and then the uniformity of the cable graphite coating is ensured by coating in the axial direction and the radial direction.
Description
Technical Field
The invention relates to the field of cable production, in particular to a liquid graphite coating system for a medium-high voltage cable.
Background
The graphite needs to be coated in the production process of the middle-high voltage cable outer sheath, the carbon black powder is adopted in the traditional coating device, the outer sheath passes through a cooling water tank, and the phenomenon of carbon black agglomeration is caused by utilizing the residual water on the surface of the outer sheath. Later, with the development of new material technology, liquid graphite is adopted to replace traditional graphite powder, and the liquid graphite contains a binder, so that the liquid graphite can be well bonded on the surface of a cable. However, since the liquid graphite has the characteristics of large consistency and poor fluidity, the problem of uneven coating still exists when the liquid graphite is used for coating the outer surface of the cable sheath. In order to solve the problem, when coating the liquid graphite, the liquid graphite is usually coated by stirring manually, although the problem of uneven coating is solved, the effect is still not ideal, and the efficiency of the coating process is low due to low efficiency of manual stirring.
Those skilled in the art have therefore endeavored to develop a device capable of uniformly coating the surface of the cable jacket with liquid graphite.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the technical problem to be solved by the present invention is to provide a device capable of uniformly coating liquid graphite on the surface of a cable sheath.
In order to achieve the aim, the invention provides a medium-high voltage cable liquid graphite coating system, which comprises a liquid graphite extrusion device, wherein a radial coating device and an axial coating device are sequentially arranged at the downstream of the liquid graphite extrusion device;
a wire passing port is arranged below the liquid graphite extrusion device; a discharge port on the liquid graphite extrusion device is opposite to a wire inlet;
the radial coating device comprises a rotating seat, and two ends of the rotating seat are connected with a plurality of sponge wheels through chucks; a first wire passing hole is formed between the sponge wheels;
the axial coating device comprises a sponge cylinder; the inner surface of the sponge cylinder body is provided with sponge; the middle of the sponge cylinder is provided with a second wire passing hole;
the wire passing port, the first wire passing hole and the second wire passing hole are located on the same axis.
Preferably, the liquid graphite extrusion device comprises a device cylinder, the device cylinder comprises a stirring chamber and an extrusion cavity which are communicated, and the extrusion cavity is arranged below the stirring chamber; the diameter of the extrusion cavity is far smaller than that of the stirring chamber; the discharge port is positioned at the side of the extrusion cavity.
Preferably, a power output device is arranged above the device cylinder, and a power output end of the power output device is a transmission shaft; the side surface of the transmission shaft is provided with a stirring paddle, and the bottom end of the transmission shaft is connected with the rotary propelling shaft;
a part of the shaft body of the rotary propelling shaft is positioned in the stirring chamber, and a part of the shaft body is positioned in the extrusion cavity; a supporting sleeve is arranged on the side wall of the tail end of the extrusion cavity; the rotary propelling shaft is arranged on the supporting sleeve.
Preferably, the rotary propelling shaft is provided with a spiral groove, and the spiral groove has equal diameter and unequal depth.
Preferably, the chuck is a three-jaw chuck, and comprises a chuck body and jaws;
the front surface of the chuck body is a plane thread surface, the bottom surfaces of the clamping jaws are matched with the plane thread surface, and the back surface of the chuck body is provided with a handle;
a position, corresponding to the clamping jaw, on the shell of the chuck body is provided with a limiting sliding groove, and the clamping jaw is arranged in the sliding groove in a sliding manner;
the sponge wheel is arranged on the claw.
Preferably, the middle part of the rotating seat is provided with a driven chain wheel; the driven chain wheel is connected with a driving chain wheel on the motor through a chain.
Preferably, the two ends of the sponge cylinder are provided with wire passing dies.
Preferably, the sponge cylinder comprises an upper cylinder and a lower cylinder; the upper barrel body is connected with the lower barrel body through a hinge.
Preferably, liquid graphite recycling boxes are arranged below the axial coating device and below the joint of the liquid graphite extrusion device and the radial coating device.
Preferably, a guide roller assembly is arranged at the upstream of the liquid graphite extrusion device, and the guide roller assembly comprises a vertical guide roller and a horizontal guide roller.
On one hand, the consistency of the liquid graphite is improved and the fluidity of the liquid graphite is increased by the liquid graphite extruding device, on the other hand, the liquid graphite is uniformly coated on the cable by the way that the radial coating device is matched with the axial coating device, and meanwhile, as the sponge wheel on the radial coating device is fixed on the chuck, the radial position of the clamping jaw relative to the chuck can be adjusted, so that the contact tightness of the sponge wheel is ensured, and the uniformity of radial coating is further ensured; the uniformity of graphite coating on the whole cable is ensured by matching with an axial coating device; meanwhile, the adjustable sponge wheel can also adapt to cables with different diameters, so that the applicability of the invention is improved; in addition, no matter radial coating or axial coating is adopted, sponge is selected as a coating contact material, the sponge has an adsorption effect, liquid graphite can be stored in micropores, and meanwhile, the sponge is elastic, can reach the low-lying position of the cable surface, is not easy to miss, and further enables the graphite coated on the cable surface to be more uniform.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view showing the structure of the liquid graphite extrusion apparatus according to the present invention;
FIG. 3 is a schematic view of the radial coating apparatus of the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3 at F;
FIG. 5 is a schematic view of the construction of the axial coating apparatus of the present invention;
FIG. 6 is a schematic view showing an assembly structure of a sponge wheel and a jaw in the present invention;
FIG. 7 is a schematic view of the sponge wheel of the present invention in contact with a cable surface;
in the figure: 1-liquid graphite extrusion device; 11-a feed inlet; 12-a discharge hole; 13-device cylinder; 13 a-a stir chamber; 13 b-an extrusion chamber; 14-a drive shaft; 15-stirring paddle; 16-rotating the propeller shaft; 161-spiral groove; 17-a valve; 18-cycloidal-pin gear speed reducer; 19-a support sleeve;
2-a radial coating device;
21-a rotating base; 211-a driven sprocket; 212-a chain; 213-an electric motor; 214-a drive sprocket;
22-a chuck; 221-a chuck body; 222-a housing; 224-jaws; 225-handle;
23-a sponge wheel; 231-a rotating shaft; 232-radial coating of sponge;
24-a first wire passing hole; 25-a bearing; 26-oil seal; 27-a rotating base support frame; 28-radial sponge;
3-axial coating means; 31-a sponge cylinder; 31 a-upper cylinder; 31 b-lower cylinder; 32-a second wire passing hole; 33-a line-passing die; 34-axially coating a sponge; 35-sponge cylinder support
4-liquid graphite recycling box
5-a guide roller assembly; 51-vertical guide rollers; 52-horizontal guide roller.
6, an electric cabinet; 7-cable.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples, wherein the terms "upper", "lower", "left", "right", "inner", "outer", and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is for convenience and simplicity of description, and does not indicate or imply that the referenced devices or components must be in a particular orientation, constructed and operated in a particular manner, and thus should not be construed as limiting the present invention. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Example 1
As shown in fig. 1 to 6, a liquid graphite coating system for a medium-high voltage cable comprises a liquid graphite extrusion device 1, wherein a radial coating device 2 and an axial coating device 3 are sequentially arranged at the downstream of the liquid graphite extrusion device 1;
a wire passing port is arranged below the liquid graphite extrusion device 1, and a discharge port 12 on the liquid graphite extrusion device 1 is aligned with the wire passing port 11;
the radial coating device 2 comprises a rotating seat 21, two ends of the rotating seat 21 are connected with three sponge wheels 23 through chucks 22, and a first wire passing hole 24 is formed among the three sponge wheels 23; specifically, the sponge wheel 23 includes a rotating shaft 231 and a radial sponge 232 rotatably disposed on the rotating shaft 231; the rotating seat 21 is arranged on the rotating seat support frame 27, the rotating seat and the rotating seat support frame are matched through the bearing 26, and the oil seal 26 is arranged at the matched position, so that the friction force borne by the rotating seat 21 is reduced, the abrasion of the rotating seat 21 is reduced, and the service life of equipment is prolonged.
The axial coating device 3 comprises a sponge cylinder 31, axial coating sponge 34 is arranged on the inner surface of the sponge cylinder 31, and a second wire passing hole 32 is formed in the middle of the sponge cylinder 31;
the wire passing port, the first wire passing hole 24 and the second wire passing hole 32 are located on the same axis.
Specifically, liquid graphite extrusion device 1 includes device barrel 13, and device barrel 13 is including the teeter chamber 13a and extrude chamber 13b of intercommunication, extrudes the below that chamber 13a was located to chamber 13b, extrudes the diameter in chamber 13b and is far less than the diameter of teeter chamber 13a, and discharge gate 12 is located and extrudes the side of chamber 13 b. The liquid graphite is stirred firstly, and the liquid graphite is extruded, so that the conditions of high consistency and poor fluidity of the liquid graphite can be improved, and the coating uniformity of the liquid graphite can be improved. More preferably, the liquid graphite extrusion device 1 is vertically arranged, the feed inlet 11 is arranged beside the device cylinder 13, and the feed inlet 11 is arranged at the upper part of the device cylinder 13, so that the design is favorable for utilizing the falling gravity of the liquid graphite and improving the flowing uniformity of the liquid graphite by matching with the stirring paddle.
The power output device is arranged above the device cylinder 13 and specifically comprises a motor and a cycloidal pin gear speed reducer 18, the power output end of the cycloidal pin gear speed reducer 18 is a transmission shaft 14, a stirring paddle 15 is arranged on the side surface of the transmission shaft 14, and the stirring paddle 15 is located in a stirring chamber 13a and used for stirring liquid graphite in the stirring chamber, so that the liquid graphite is uniform in component, meanwhile, the flowability of the liquid graphite in the device cylinder is increased, and the flowability of the extruded liquid graphite is ensured. More preferably, the length of the stirring paddle 15 is two thirds of the length of the stirring chamber 13a, which is beneficial to further improving the stirring effect, and the bottom end is connected with the rotary propelling shaft 16.
A part of the shaft body of the rotary propulsion shaft 16 is positioned in the stirring chamber 13a, a part of the shaft body is positioned in the extrusion cavity 13b, a supporting sleeve 19 is arranged on the side wall of the tail end of the extrusion cavity 13b, the rotary propulsion shaft 16 is arranged on the supporting sleeve 19, and the supporting sleeve 19 is used for supporting the weight of the rotary propulsion shaft 16; the transmission shaft 14 drives the rotary propelling shaft 16 to rotate, and the liquid graphite is extruded out. More preferably, the rotary propeller shaft 16 is provided with a spiral groove, the spiral groove has equal diameter and different depth, and during extrusion, the liquid graphite is further stirred, so that the consistency of the liquid graphite is reduced, and the fluidity of the liquid graphite is improved. More preferably, the rotary propelling shaft 16 and the extrusion cavity 13b are in clearance fit, so that excessive liquid graphite extruded at one time is prevented from being unfavorable for subsequent sponge coating, and the uniformity of coating is further ensured. More preferably, a valve 17 is arranged on the discharge port 12, the discharge speed and the discharge amount of the discharge port are controlled by the valve 17, and then the outflow of the liquid graphite can be adjusted according to actual requirements so as to meet the requirements of cables with different diameters.
The chuck 22 is a three-jaw chuck, the chuck 22 is a three-jaw chuck and comprises a chuck body 221 and jaws 224, the front surface of the chuck body 221 is a planar threaded surface, the bottom surfaces of the jaws 224 are matched with the planar threaded surface, a handle 225 is arranged on the back surface of the chuck body 221, a position, corresponding to the jaws 224, of a shell 222 of the chuck body 221 is provided with a limiting sliding groove, and the jaws 224 are slidably arranged in the sliding groove; the sponge wheel 23 is arranged on the claw 224; the claw 221 is provided with a mounting hole for matching with the rotating shaft 231 on the sponge wheel 23, so as to fix the radial coating sponge 232 on the claw 224. The handle 225 is rotated to drive the chuck body 221 to rotate, so that the clamping jaws 224 move forward or backward relative to the center of the chuck, namely, the clamping jaws 224 slide in the sliding grooves, and the diameter size surrounded by the three clamping jaws 224 is adjusted, so that the clamping jaws can adapt to cables with different sizes, the applicability of the invention is improved, and meanwhile, the displacement of the three clamping jaws 224 can be finely adjusted, and the clamping degree between the sponge wheel 23 and the cable to be coated with graphite is adjusted. The condition that the card is too loose and the coating is not uniform is avoided, and the condition that the motor load is too large and the motor 213 is damaged due to too tight card and too large friction force is also avoided.
The middle part of the rotating base 21 is provided with a driven sprocket 211, and the driven sprocket 211 is connected with a driving sprocket 214 on a motor 213 through a chain 212. Drive sprocket 214 through motor 213 and rotate, utilize the transmission of chain 212, the driven sprocket 211 on the cooperation roating seat, and then drive roating seat 21 and rotate for sponge wheel 23 on the roating seat is treated the coating cable relatively and is rotated, and then realizes coating liquid graphite on the cable. More preferably, the electric motor 213 is provided with an electric empty box 6, and the control system of the present invention is arranged in the electric control box 6, so that the operation of the present invention is facilitated, and the intelligent coating is realized.
Two ends of the sponge cylinder 31 are detachably provided with wire passing dies 33. The cable passing die 33 can provide supporting force for the cable, meanwhile, the cable passing die 33 with different opening sizes can be assembled according to the size of the cable, and the cable passing die 33 adopted by the invention is a nylon cable passing die. The sponge cylinder 31 in the invention is supported in a half-hollow state through the sponge cylinder bracket 35, and is positioned on the same production line with the liquid graphite extrusion device 1 and the radial coating device 2.
The sponge cylinder 31 includes an upper cylinder 31a and a lower cylinder 31b, and the upper cylinder 31a and the lower cylinder 31b are connected by a hinge. The sponge barrel 31 is convenient for workers to open or close in the cable production process, the sponge barrel 31 is convenient to overhaul in time, and the use convenience is improved.
Liquid graphite recovery boxes 4 are arranged below the axial coating device 3 and below the joint of the liquid graphite extrusion device 1 and the radial coating device 2; the device is used for recycling the liquid graphite dropping in the coating process for secondary utilization, and plays a role in saving materials.
The upstream of the liquid graphite extrusion device 1 is provided with a guide roller assembly 5, the guide roller assembly comprises a vertical guide roller 51 and a horizontal guide roller 52, the stability of incoming lines is ensured by the guide roller assembly, and better conditions are provided for uniform graphite coating.
During the use, now introduce the cable 7 on the line mouth of crossing of liquid graphite extrusion device 1 below, then restart liquid graphite extrusion device 1, make it extrude liquid graphite on the cable, then the cable is drawn and is slowly moved forward, the slow moving in-process, sponge wheel 23 rotation that does not stop, and then continuously clean the liquid graphite on the cable through the radial coating sponge on the sponge wheel, make its coating even, after sponge wheel radial cleaning, reentrant axial coating device 3, because place ahead traction force drives the cable and slowly moves forward, realize that the axial coating sponge on the sponge barrel carries out the axial to clean the cable, through the cooperation of radial cleaning and axial cleaning, the homogeneity of coating liquid graphite on the cable has been guaranteed.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. A middle and high voltage cable liquid graphite coating system is characterized in that: the device comprises a liquid graphite extrusion device (1), wherein a radial coating device (2) and an axial coating device (3) are sequentially arranged at the downstream of the liquid graphite extrusion device (1);
a wire passing port is arranged below the liquid graphite extrusion device (1); a discharge port (12) on the liquid graphite extrusion device (1) is aligned with the wire passing port;
the radial coating device (2) comprises a rotating seat (21), and two ends of the rotating seat (21) are connected with a plurality of sponge wheels (23) through chucks (22); a first wire passing hole (24) is formed between the sponge wheels (23);
the axial coating device (3) comprises a sponge cylinder (31); the inner surface of the sponge cylinder body (31) is provided with axial coating sponge; a second wire passing hole (32) is formed in the middle of the sponge cylinder (31);
the wire passing port, the first wire passing hole (24) and the second wire passing hole (32) are positioned on the same axis.
2. The medium-high voltage cable liquid graphite coating system according to claim 1, wherein: the liquid graphite extrusion device (1) comprises a device cylinder body (13), the device cylinder body (13) comprises a stirring chamber (13 a) and an extrusion cavity (13 b) which are communicated, and the extrusion cavity (13 b) is arranged below the stirring chamber (13 a); the diameter of the extrusion cavity (13 b) is far smaller than that of the stirring chamber (13 a); the discharge hole (12) is positioned at the side of the extrusion cavity (13 b).
3. The medium-high voltage cable liquid graphite coating system according to claim 2, wherein: a power output device is arranged above the device cylinder (13), and a power output end of the power output device is a transmission shaft (14); the side surface of the transmission shaft (14) is provided with a stirring paddle (15), and the bottom end of the transmission shaft is connected with a rotary propelling shaft (16);
a part of the shaft body of the rotary propulsion shaft (16) is positioned in the stirring chamber (13 a), and a part of the shaft body is positioned in the extrusion cavity (13 b); a supporting sleeve (19) is arranged on the side wall of the tail end of the extrusion cavity (13 b); the rotary propulsion shaft (16) is arranged on the support sleeve (19).
4. The medium-high voltage cable liquid graphite coating system according to claim 2, wherein: the rotary propelling shaft (16) is provided with a spiral groove (161), and the spiral groove has the same diameter and is not as deep.
5. The medium-high voltage cable liquid graphite coating system according to claim 1, wherein: the chuck (22) is a three-jaw chuck and comprises a chuck body (221) and jaws (224),
the front surface of the chuck body (221) is a plane thread surface, and the bottom surfaces of the clamping jaws (224) are matched with the plane thread surface; a handle (225) is arranged on the back of the chuck body (221);
a position, corresponding to the clamping jaw (224), of the shell (222) of the chuck body (221) is provided with a limiting sliding groove, and the clamping jaw (224) is arranged in the sliding groove in a sliding manner;
the sponge wheel (23) is arranged on the claw (224).
6. The medium-high voltage cable liquid graphite coating system according to claim 1, wherein: a driven chain wheel (211) is arranged in the middle of the rotating seat (21); the driven chain wheel (211) is connected with a driving chain wheel (214) on a motor (213) through a chain (212).
7. The medium-high voltage cable liquid graphite coating system according to claim 1, wherein: and two ends of the sponge cylinder body (31) are provided with wire passing dies (33).
8. The medium-high voltage cable liquid graphite coating system according to claim 1, wherein: the sponge cylinder (31) comprises an upper cylinder (31 a) and a lower cylinder (31 b); the upper cylinder (31 a) and the lower cylinder (31 b) are connected through a hinge.
9. The medium-high voltage cable liquid graphite coating system according to claim 1, wherein: and liquid graphite recovery boxes (4) are arranged below the axial coating device (3) and below the joint of the liquid graphite extrusion device (1) and the radial coating device (2).
10. The medium-high voltage cable liquid graphite coating system according to any one of claims 1 to 9, characterized in that: a guide roller assembly (5) is arranged at the upstream of the liquid graphite extrusion device (1), and the guide roller assembly comprises a vertical guide roller (51) and a horizontal guide roller (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010790372.4A CN111992448A (en) | 2020-08-07 | 2020-08-07 | Liquid graphite coating system for medium-high voltage cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010790372.4A CN111992448A (en) | 2020-08-07 | 2020-08-07 | Liquid graphite coating system for medium-high voltage cable |
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| Publication Number | Publication Date |
|---|---|
| CN111992448A true CN111992448A (en) | 2020-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010790372.4A Pending CN111992448A (en) | 2020-08-07 | 2020-08-07 | Liquid graphite coating system for medium-high voltage cable |
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| CN209729629U (en) * | 2019-05-24 | 2019-12-03 | 常州特发华银电线电缆有限公司 | Linear type gravity flow cable anti-corrosion oil coating device |
| CN110813656A (en) * | 2019-11-12 | 2020-02-21 | 徐州国贸新材料有限公司 | Extrusion molding device is used in processing of coated fabric |
| CN111013935A (en) * | 2019-11-27 | 2020-04-17 | 江苏悦达纺织集团有限公司 | Fabric coating device |
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| JP2002316081A (en) * | 2001-04-20 | 2002-10-29 | Heishin Engineering & Equipment Co Ltd | Fixed quantity coating and filling system for sealing agent or the like |
| CN2621830Y (en) * | 2003-05-30 | 2004-06-30 | 熊民德 | Plastic spray coater |
| CN101190433A (en) * | 2006-11-18 | 2008-06-04 | 韩毅军 | Adhesive supplier for hot melt adhesive |
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Application publication date: 20201127 |
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