阅读说明：本技术 一种耐磨柔性防火电缆 (Wear-resistant flexible fireproof cable ) 是由 朱从林 陆秀国 李正宝 杨茂明 于杰 于 2021-07-20 设计创作，主要内容包括：本发明公开一种耐磨柔性防火电缆,在外护套上喷涂耐磨防火涂料,耐磨防火涂料包含改性树脂、消泡剂、纳米粒子和溶剂,所得整体涂层结合力强、耐磨以及防火性好,同时具有一定的柔性效果,通过聚氯乙烯树脂、增粘剂、增塑剂、润滑剂、抗氧化剂、光稳定剂、颜料、去离子水混合制备,使得制备得到的外护套的整体强度更高,根据GB/T 8802-2001测定,该耐磨柔性防火电缆的维卡软化点为157-169℃。本发明同时公开一种冷却设备,在冷却室前后两侧设置两个冷却水箱,满足对半成品护套进行前后两次的冷却处理,提高对半成品护套表面的冷却效果。(The invention discloses a wear-resistant flexible fireproof cable.A wear-resistant fireproof coating is sprayed on an outer sheath, the wear-resistant fireproof coating comprises modified resin, a defoaming agent, nano particles and a solvent, the obtained integral coating has strong bonding force, good wear resistance and fire resistance and a certain flexible effect, the integral strength of the prepared outer sheath is higher by mixing polyvinyl chloride resin, a tackifier, a plasticizer, a lubricant, an antioxidant, a light stabilizer, a pigment and deionized water, and the Vicat softening point of the wear-resistant flexible fireproof cable is 157-. The invention also discloses cooling equipment, wherein two cooling water tanks are arranged on the front side and the rear side of the cooling chamber, so that the requirement of carrying out cooling treatment on the semi-finished product sheath twice is met, and the cooling effect on the surface of the semi-finished product sheath is improved.)

1. The wear-resistant flexible fireproof cable comprises an outer sheath (1) and is characterized in that six belting layers (2) are arranged in the outer sheath (1), shielding layers (3) are arranged on inner rings of the belting layers (2), three insulating layers (4) are arranged in the shielding layers (3), conductors (5) are arranged in the insulating layers (4), middle wire cores (7) are arranged among the six belting layers (2), and six shunt wire cores (6) are arranged in the outer sheath (1);

wherein the outer sheath (1) is prepared by the following steps:

the method comprises the following steps: weighing 160 parts by weight of polyvinyl chloride resin, 3-8 parts by weight of tackifier, 14-20 parts by weight of plasticizer, 10-16 parts by weight of lubricant, 0.8-3 parts by weight of antioxidant, 0.15-3 parts by weight of light stabilizer, 0.2-0.9 part by weight of pigment and 12-25 parts by weight of deionized water, pouring the tackifier and the deionized water into a mixer, stirring for 24-30min, pouring the polyvinyl chloride resin, the plasticizer, the lubricant, the antioxidant, the light stabilizer and the pigment into a charging barrel, stirring at the stirring speed of 140 plus 190r/min for 8-10min to obtain a mixture, adding the mixture into a double-screw extrusion granulator, obtaining mixed particles, wherein the screw rotating speed of the double-screw extrusion granulator is 120-180r/min, adding the mixed particles into an injection molding machine, and performing melt extrusion to obtain a semi-finished product sheath;

step two: and (3) conveying the semi-finished product sheath to cooling equipment for cooling, then drying the semi-finished product sheath, and spraying wear-resistant fireproof paint on the surface of the semi-finished product sheath to obtain the outer sheath (1).

2. The wear-resistant flexible fireproof cable of claim 1, wherein the wear-resistant fireproof coating is prepared by mixing the following raw materials in parts by weight: 220 parts of modified resin 180, 0.3-20 parts of defoaming agent, 20-150 parts of nano particles and 80-100 parts of solvent.

3. The wear-resistant flexible fireproof cable of claim 2, wherein the modified resin is obtained by mixing the following raw materials in parts by weight: 50-85 parts of epoxy resin, 10-22 parts of chlorinated polyethylene and 1.4-2.8 parts of ethyl oleate.

4. The abrasion-resistant flexible fire-resistant cable of claim 2, wherein the nanoparticles are one of boron carbide, silicon carbide, zirconium carbide, chromium carbide, vanadium carbide, titanium carbide, silicon oxide, calcium oxide, aluminum oxide, magnesium oxide, zirconium oxide, zinc oxide, titanium oxide, graphite particles, and graphene particles.

5. The abrasion-resistant flexible fireproof cable according to claim 2, wherein the solvent is one of absolute ethyl alcohol, industrial alcohol, acetone, tetrahydrofuran and ethylene glycol dimethyl ether.

6. A wear-resistant flexible fire-resistant cable according to claim 2, wherein the cooling device operates as follows:

the semi-finished product jacket is conveyed to one of the arc-shaped fixing plates (101) in the cooling equipment, a water pump (111) extracts cooling water in a cooling water tank (110) and conveys the cooling water into a flow dividing pipe (112), a piston rod of a lifting cylinder (115) pushes a driving motor (116) to ascend, a friction wheel (117) is further contacted with the surface of the semi-finished product jacket, an output shaft of the driving motor (116) drives the friction wheel (117) to rotate, the friction wheel (117) drives the semi-finished product jacket to rotate, the cooling water in the flow dividing pipe (112) is sprayed on the surface of the semi-finished product jacket through an atomizing nozzle (113), water on the surface of the semi-finished product jacket in the spraying process flows into a water collecting tank (100), the friction wheel (117) stops rotating after spraying, piston rods of two mounting cylinders (104) in a strip-shaped tank (102) push a guide block (105) to slide along the fixing strip (103), and the fixing strip (103) drives two rotating rods (106) to rotate, four rotary rods (106) drive connecting shell (107) and move, the belt on two connecting shells (107) contacts with semi-manufactured goods sheath surface, installation motor (108) output shaft drives the belt pulley and rotates, a plurality of belt pulleys drive the belt and rotate, two belts are carried semi-manufactured goods sheath to fixed pipe (203) in, air-blower (201) are with in the blast pipe (202) of blowing wind, wind in blast pipe (202) gets into in spiral pipe (204), wind in spiral pipe (204) passes through cooling tube (205) and sprays on semi-manufactured goods sheath surface, then semi-manufactured goods sheath gets into on opposite side arc fixed plate (101), operation cools off semi-manufactured goods sheath before the repetition.

Technical Field

The invention relates to the technical field of cable processing, in particular to a wear-resistant flexible fireproof cable.

Background

The cable is an electric energy or signal transmission device, and a layer of fireproof paint is required to be coated on the surface of a cable sleeve in the production process of the cable. The fireproof paint sprayed on the surface of the existing cable is poor in fireproof performance, the cooling effect of the single cooling water in the cable processing and cooling process is not ideal, the cooling water is not easy to collect in the cooling process, and meanwhile, the outer sheaths with different diameters are inconvenient to rotate and convey in the whole cooling process.

Disclosure of Invention

The invention aims to provide a wear-resistant flexible fireproof cable, which solves the following technical problems: (1) the technical problem that the fireproof performance of the fireproof paint sprayed on the surface of the cable is poor in the prior art is solved; (2) the technical problem that the cooling effect of single cooling water in the cable processing and cooling process is not ideal in the prior art is solved; (3) the technical problems that cooling water is not easy to collect in the cable processing and cooling process in the prior art, and the oversheath with different diameters cannot rotate and convey conveniently in the whole cooling process are solved.

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

a wear-resistant flexible fireproof cable comprises an outer sheath, wherein six belting layers are arranged in the outer sheath, shielding layers are arranged on inner rings of the belting layers, three insulating layers are arranged in the shielding layers, conductors are arranged in the insulating layers, middle wire cores are arranged among the six belting layers, and six branch wire cores are arranged in the outer sheath;

wherein the outer sheath is prepared by the following steps:

the method comprises the following steps: weighing 160 parts by weight of polyvinyl chloride resin, 3-8 parts by weight of tackifier, 14-20 parts by weight of plasticizer, 10-16 parts by weight of lubricant, 0.8-3 parts by weight of antioxidant, 0.15-3 parts by weight of light stabilizer, 0.2-0.9 part by weight of pigment and 12-25 parts by weight of deionized water, pouring the tackifier and the deionized water into a mixer, stirring for 24-30min, pouring the polyvinyl chloride resin, the plasticizer, the lubricant, the antioxidant, the light stabilizer and the pigment into a charging barrel, stirring at the stirring speed of 140 plus 190r/min for 8-10min to obtain a mixture, adding the mixture into a double-screw extrusion granulator, obtaining mixed particles, wherein the screw rotating speed of the double-screw extrusion granulator is 120-180r/min, adding the mixed particles into an injection molding machine, and performing melt extrusion to obtain a semi-finished product sheath;

step two: and (3) conveying the semi-finished sheath to cooling equipment for cooling, then drying the semi-finished sheath, and spraying wear-resistant fireproof paint on the surface of the semi-finished sheath to obtain the outer sheath.

Further, the wear-resistant fireproof coating is prepared by mixing the following raw materials in parts by weight: 220 parts of modified resin 180, 0.3-20 parts of defoaming agent, 20-150 parts of nano particles and 80-100 parts of solvent.

Further, the modified resin is prepared by mixing the following raw materials in parts by weight: 50-85 parts of epoxy resin, 10-22 parts of chlorinated polyethylene and 1.4-2.8 parts of ethyl oleate.

Further, the nano-particles are one of boron carbide, silicon carbide, zirconium carbide, chromium carbide, vanadium carbide, titanium carbide, silicon oxide, calcium oxide, aluminum oxide, magnesium oxide, zirconium oxide, zinc oxide, titanium oxide, graphite particles and graphene particles.

Further, the solvent is one of absolute ethyl alcohol, industrial alcohol, acetone, tetrahydrofuran and ethylene glycol dimethyl ether.

Further, the cooling device works as follows:

the semi-finished product sheath is conveyed to one of the arc-shaped fixed plates in the cooling equipment, a water pump extracts cooling water in a cooling water tank and conveys the cooling water into a shunt pipe, a lifting cylinder piston rod pushes a driving motor to rise, a friction wheel is further contacted with the surface of the semi-finished product sheath, an output shaft of the driving motor drives the friction wheel to rotate, the friction wheel drives the semi-finished product sheath to rotate, the cooling water in the shunt pipe is sprayed on the surface of the semi-finished product sheath through an atomizing nozzle, water on the surface of the semi-finished product sheath flows into a water collecting tank in the spraying process, the friction wheel stops rotating after the spraying is finished, two installation cylinder piston rods in a strip-shaped groove push a guide block to slide along a fixed strip, the fixed strip drives two rotating rods to rotate, four rotating rods drive a connecting shell to move, belts on the two connecting shells are contacted with the surface of the semi-finished product sheath, an output shaft of the installation motor drives belt pulleys to rotate, and a plurality of belt pulleys drive the belts to rotate, the semi-finished product sheath is conveyed into the fixing pipe by the two belts, the air is blown into the air pipe by the air blower, the air in the air pipe enters the spiral pipe, the air in the spiral pipe is sprayed on the surface of the semi-finished product sheath through the cooling pipe, then the semi-finished product sheath enters the arc-shaped fixing plate on the other side, and the semi-finished product sheath is cooled by repeating the previous operation.

Further, the cooling device comprises two water collecting tanks, a cooling chamber is arranged between the two water collecting tanks, an arc-shaped fixed plate is installed at the top of each water collecting tank, two strip-shaped grooves are formed in the arc-shaped fixed plate, fixed strips are fixed in the strip-shaped grooves, two guide blocks are slidably installed on the fixed strips, two rotary rods are rotatably installed on the guide blocks, the four rotary rods are rotatably connected with a connecting shell, a belt is rotatably installed on the connecting shell, an upper frame is fixedly installed at the top of each water collecting tank, a cooling water tank is fixedly installed at the top of the upper frame, a water pump is installed on the upper frame, the water pumping end of the water pump is communicated with the cooling water tank, a flow dividing pipe is installed at the water outlet end of the water pump, a plurality of atomizing nozzles are installed on two sides of the bottom of the flow dividing pipe, a blower is fixedly installed at the top of an inner cavity of the cooling chamber, and an air pipe is installed at the air outlet of the blower, the utility model discloses a cooling chamber, including air-blower one end intercommunication spiral pipe, fixed pipe inner chamber, a plurality of cooling tubes are installed with fixed pipe contact position to the spiral pipe, the cooling tube is linked together with the spiral pipe, the cooling tube runs through fixed pipe.

Further, be fixed with two installation cylinders on the fixed strip, two installation cylinders are relative setting, two installation cylinders and two guide block one-to-ones, installation cylinder piston rod end connection guide block, rotate on the connection shell and install a plurality of belt pulleys, connect through belt transmission between a plurality of belt pulleys, the connection shell lateral wall is fixed with the installation motor, one of them belt pulley of installation motor output shaft.

Further, the water catch bowl inner chamber is fixed with two baffles, is provided with the lift cylinder between two baffles, driving motor is installed to lift cylinder piston rod tip, driving motor output shaft end portion installs the friction pulley, logical groove has been seted up on the arc fixed plate, the friction pulley activity runs through logical groove.

The invention has the beneficial effects that:

(1) according to the wear-resistant flexible fireproof cable, the outer sheath is sprayed with the wear-resistant fireproof coating, the wear-resistant fireproof coating comprises modified resin, a defoaming agent, nano particles and a solvent, the obtained integral coating is high in bonding force, good in wear resistance and fire resistance and simultaneously has a certain flexible effect, the outer sheath is prepared by mixing polyvinyl chloride resin, a tackifier, a plasticizer, a lubricant, an antioxidant, a light stabilizer, a pigment and deionized water, so that the integral strength of the prepared outer sheath is higher, and the Vicat softening point of the wear-resistant flexible fireproof cable is 157-;

(2) the semi-finished product jacket is conveyed to one of the arc-shaped fixing plates in the cooling equipment, a water pump extracts cooling water in the cooling water tank and conveys the cooling water into a shunt pipe, a piston rod of a lifting air cylinder pushes a driving motor to ascend, further, a friction wheel is contacted with the surface of the semi-finished product jacket, an output shaft of the driving motor drives the friction wheel to rotate, the friction wheel drives the semi-finished product jacket to rotate, the cooling water in the shunt pipe is sprayed on the surface of the semi-finished product jacket through an atomizing nozzle, two cooling water tanks are arranged on the front side and the rear side of a cooling chamber, the requirement for cooling treatment of the semi-finished product jacket twice in the front and the rear direction is met, and the cooling effect of the surface of the semi-finished product jacket is improved;

(3) during the spraying process, water on the surface of the semi-finished product sheath flows into a water collecting tank, after spraying, a friction wheel stops rotating, two installation cylinder piston rods in a strip-shaped tank push a guide block to slide along a fixed strip, the fixed strip drives two rotary rods to rotate, four rotary rods drive a connecting shell to move, belts on the two connecting shells are in contact with the surface of the semi-finished product sheath, an installation motor output shaft drives belt pulleys to rotate, a plurality of belt pulleys drive the belts to rotate, the two belts convey the semi-finished product sheath into the fixed tube, an air blower blows air into an air duct, air in the air duct enters the spiral tube, the air in the spiral tube is sprayed on the surface of the semi-finished product sheath through a cooling tube, through the arrangement of the fixed tube and the spiral tube in a cooling chamber, the air can be blown through a plurality of cooling tubes on the spiral tube to uniformly blow the semi-finished product sheath, and the cooling effect of the semi-finished product sheath is improved, through offering of logical groove on the arc fixed plate, can retrieve the cooling water after the cooling to the water catch bowl in, improve the reuse rate of cooling water, can drive the semi-manufactured goods sheath of different diameters rotatory on the arc fixed plate through setting up of lift cylinder, driving motor, friction pulley, guarantee that atomizer can evenly cool off semi-manufactured goods sheath outer peripheral face.

Drawings

The invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic structural view of a wear-resistant flexible fire-resistant cable of the present invention;

FIG. 2 is a schematic view of the structure of the cooling apparatus of the present invention;

FIG. 3 is a schematic view of the structure of the water collection tank of the present invention;

FIG. 4 is an internal structural view of a sump according to the present invention;

FIG. 5 is an internal structural view of the head frame of the present invention;

FIG. 6 is a cross-sectional view of an arcuate fixation plate of the present invention;

FIG. 7 is a schematic structural view of a connecting shell of the present invention;

FIG. 8 is an internal structural view of a cooling chamber of the present invention;

FIG. 9 is a cross-sectional view of the mounting tube of the present invention;

fig. 10 is an installation view of the cooling water tank of the present invention.

In the figure: 1. an outer sheath; 2. a belting layer; 3. a shielding layer; 4. an insulating layer; 5. a conductor; 6. a branching core; 7. an intermediate wire core; 100. a water collection tank; 101. an arc-shaped fixing plate; 102. a strip-shaped groove; 103. a fixing strip; 104. mounting a cylinder; 105. a guide block; 106. rotating the rod; 107. a connecting shell; 108. installing a motor; 109. a top frame; 110. a cooling water tank; 111. a water pump; 112. a shunt tube; 113. an atomizing spray head; 114. a baffle plate; 115. a lifting cylinder; 116. a drive motor; 117. a friction wheel; 118. a through groove; 200. a cooling chamber; 201. a blower; 202. an air duct; 203. a fixed tube; 204. a spiral tube; 205. and (7) cooling the tube.

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.

Please refer to fig. 1-10

Example 1

The outer sheath 1 is prepared by the following steps:

the method comprises the following steps: weighing 120 parts of polyvinyl chloride resin, 3 parts of tackifier, 14 parts of plasticizer, 10 parts of lubricant, 0.8 part of antioxidant, 0.15 part of light stabilizer, 0.2 part of pigment and 12 parts of deionized water, pouring the tackifier and the deionized water into a mixer, stirring for 24min, then pouring the polyvinyl chloride resin, the plasticizer, the lubricant, the antioxidant, the light stabilizer and the pigment into a charging barrel, stirring for 8min at a stirring speed of 140r/min to obtain a mixture, adding the mixture into a double-screw extrusion granulator to obtain mixed particles, wherein the rotating speed of a screw of the double-screw extrusion granulator is 120r/min, adding the mixed particles into an injection molding machine, and performing melt extrusion to obtain a semi-finished product sheath;

step two: the semi-finished product jacket is sent to one of the arc-shaped fixing plates 101 in the cooling equipment, a water pump 111 extracts cooling water in a cooling water tank 110 and conveys the cooling water into a shunt tube 112, a piston rod of a lifting cylinder 115 pushes a driving motor 116 to ascend, further, a friction wheel 117 is contacted with the surface of the semi-finished product jacket, an output shaft of the driving motor 116 drives the friction wheel 117 to rotate, the friction wheel 117 drives the semi-finished product jacket to rotate, the cooling water in the shunt tube 112 is sprayed on the surface of the semi-finished product jacket through an atomizing nozzle 113, water on the surface of the semi-finished product jacket flows into a water collecting tank 100 in the spraying process, the friction wheel 117 stops rotating after the spraying is finished, two piston rods of mounting cylinders 104 in a strip-shaped groove 102 push a guide block 105 to slide along a fixing strip 103, the fixing strip 103 drives two rotating rods 106 to rotate, four rotating rods 106 drive a connecting shell 107 to move, and a belt on the two connecting shells 107 is contacted with the surface of the semi-finished product jacket, the installation motor 108 output shaft drives the belt pulley and rotates, a plurality of belt pulleys drive the belt and rotate, two belts are carried semi-manufactured goods sheath to fixed pipe 203 in, air blower 201 is with in blowing into tuber pipe 202, wind in the tuber pipe 202 gets into in the spiral pipe 204, wind in the spiral pipe 204 passes through cooling tube 205 and sprays on semi-manufactured goods sheath surface, then semi-manufactured goods sheath gets into on the opposite side arc fixed plate 101, the operation cools off semi-manufactured goods sheath before the repetition, then dry the processing to semi-manufactured goods sheath, at the wear-resisting fire prevention coating of semi-manufactured goods sheath surface spraying, obtain oversheath 1.

Specifically, the wear-resistant fireproof coating is prepared by mixing the following raw materials in parts by weight: 180 parts of modified resin, 0.3 part of defoaming agent, 20 parts of nano particles and 80 parts of solvent.

The modified resin is prepared by mixing the following raw materials in parts by weight: 50 parts of epoxy resin, 10 parts of chlorinated polyethylene and 1.4 parts of ethyl oleate.

The nanoparticles are boron carbide.

The solvent is absolute ethyl alcohol.

The vicat softening point of the outer sheath 1 of example 1 was 157 ℃.

Example 2

The outer sheath 1 is prepared by the following steps:

the method comprises the following steps: weighing 160 parts of polyvinyl chloride resin, 8 parts of tackifier, 20 parts of plasticizer, 16 parts of lubricant, 3 parts of antioxidant, 3 parts of light stabilizer, 0.9 part of pigment and 25 parts of deionized water, pouring the tackifier and the deionized water into a mixer to be stirred for 30min, then pouring the polyvinyl chloride resin, the plasticizer, the lubricant, the antioxidant, the light stabilizer and the pigment into a charging barrel, stirring for 10min at a stirring speed of 190r/min to obtain a mixture, adding the mixture into a double-screw extrusion granulator to obtain mixed particles, wherein the rotating speed of a screw of the double-screw extrusion granulator is 180r/min, adding the mixed particles into an injection molding machine, and performing melt extrusion to obtain a semi-finished product sheath;

step two is the same as example 1.

Specifically, the wear-resistant fireproof coating is prepared by mixing the following raw materials in parts by weight: 220 parts of modified resin, 20 parts of defoaming agent, 150 parts of nano particles and 100 parts of solvent.

The modified resin is prepared by mixing the following raw materials in parts by weight: 85 parts of epoxy resin, 22 parts of chlorinated polyethylene and 2.8 parts of ethyl oleate.

The nanoparticles are graphene particles.

The solvent is ethylene glycol dimethyl ether.

The vicat softening point of the outer sheath 1 of example 2 is 169 ℃.

The cooling device comprises two water collecting tanks 100, a cooling chamber 200 is arranged between the two water collecting tanks 100, an arc fixing plate 101 is installed at the top of the water collecting tank 100, two strip-shaped tanks 102 are formed in the arc fixing plate 101, fixing strips 103 are fixed in the strip-shaped tanks 102, two guide blocks 105 are slidably installed on the fixing strips 103, two rotary rods 106 are rotatably installed on the guide blocks 105, the four rotary rods 106 are rotatably connected with a connecting shell 107, a belt is rotatably installed on the connecting shell 107, a top frame 109 is fixedly installed at the top of the water collecting tank 100, a cooling water tank 110 is fixedly installed at the top of the top frame 109, a water pump 111 is installed on the top frame 109, a water pumping end of the water pump 111 is communicated with the cooling water tank 110, a water outlet end of the water pump 111 is provided with a flow dividing pipe 112, a plurality of atomizing nozzles 113 are installed at two sides of the bottom of the flow dividing pipe 112, two cooling water tanks 110 are arranged at the front side and the back side of the cooling chamber 200, so as to perform cooling treatment on the semi-finished product sheaths twice, the cooling effect on the surface of the semi-finished product sheath is improved.

200 inner chamber tops fixed mounting of cooling chamber has air-blower 201, air duct 202 is installed to air-blower 201 air outlet, air duct 202 keeps away from air-blower 201 one end intercommunication spiral pipe 204, spiral pipe 204 is around locating fixed pipe 203 surface, fixed pipe 203 is fixed in the 200 inner chambers of cooling chamber, a plurality of cooling tubes 205 are installed with fixed pipe 203 contact position to spiral pipe 204, cooling tube 205 is linked together with spiral pipe 204, cooling tube 205 runs through fixed pipe 203, through the setting of fixed pipe 203 in cooling chamber 200 and spiral pipe 204, guarantee that wind can blow the processing through the even semi-finished sheath of a plurality of cooling tubes 205 on the spiral pipe 204, improve the cooling effect of semi-finished sheath.

Be fixed with two installation cylinders 104 on the fixed strip 103, two installation cylinders 104 are relative settings, two installation cylinders 104 and two guide block 105 one-to-one, installation cylinder 104 tailpiece of the piston rod end connection guide block 105, it installs a plurality of belt pulleys to rotate on the connection shell 107, connect through belt drive between a plurality of belt pulleys, connection shell 107 lateral wall is fixed with installation motor 108, one of them belt pulley of installation motor 108 output shaft, but the setting of connection shell 107 through adjustable position in bar groove 102, can satisfy and carry the semi-manufactured goods sheath of different diameters, set up through logical groove 118 on the arc fixed plate 101, can retrieve the cooling water after the cooling to in the water catch bowl 100, improve the reuse rate of cooling water.

Two baffles 114 are fixed in the inner cavity of the water collecting tank 100, a lifting cylinder 115 is arranged between the two baffles 114, a driving motor 116 is installed at the end part of a piston rod of the lifting cylinder 115, a friction wheel 117 is installed at the end part of an output shaft of the driving motor 116, a through groove 118 is formed in the arc-shaped fixing plate 101, the through groove 118 is movably penetrated through by the friction wheel 117, semi-finished product sheaths with different diameters can be driven to rotate on the arc-shaped fixing plate 101 through the lifting cylinder 115, the driving motor 116 and the friction wheel 117, and the outer peripheral face of the semi-finished product sheath can be uniformly cooled by the atomizing nozzle 113.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.