CN111070102B - Circular tube plastic spraying device - Google Patents

Circular tube plastic spraying device Download PDF

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Publication number
CN111070102B
CN111070102B CN202010011259.1A CN202010011259A CN111070102B CN 111070102 B CN111070102 B CN 111070102B CN 202010011259 A CN202010011259 A CN 202010011259A CN 111070102 B CN111070102 B CN 111070102B
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CN
China
Prior art keywords
powder spraying
pipe
box
spraying
plastic
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Active
Application number
CN202010011259.1A
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Chinese (zh)
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CN111070102A (en
Inventor
不公告发明人
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hangzhou Jiesai Environmental Protection Equipment Co.,Ltd.
Original Assignee
Hangzhou Yijie Hvac Equipment Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Hangzhou Yijie Hvac Equipment Co ltd filed Critical Hangzhou Yijie Hvac Equipment Co ltd
Priority to CN202010011259.1A priority Critical patent/CN111070102B/en
Publication of CN111070102A publication Critical patent/CN111070102A/en
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Publication of CN111070102B publication Critical patent/CN111070102B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • B24B55/06Dust extraction equipment on grinding or polishing machines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/02Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B16/00Spray booths
    • B05B16/20Arrangements for spraying in combination with other operations, e.g. drying; Arrangements enabling a combination of spraying operations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/08Plant for applying liquids or other fluent materials to objects
    • B05B5/14Plant for applying liquids or other fluent materials to objects specially adapted for coating continuously moving elongated bodies, e.g. wires, strips, pipes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B29/00Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
    • B24B29/02Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces
    • B24B29/06Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces for elongated workpieces having uniform cross-section in one main direction
    • B24B29/08Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces for elongated workpieces having uniform cross-section in one main direction the cross-section being circular, e.g. tubes, wires, needles

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles (AREA)

Abstract

The invention discloses a circular tube plastic spraying device, which comprises a plastic spraying box body, wherein a power cavity is arranged in the plastic spraying box body, a driving device for providing power for equipment is arranged in the power cavity, a grinding cavity is arranged on the right side of the power cavity, a plastic spraying cavity is arranged on the right side of the grinding cavity, and a plastic spraying device for spraying plastic on a circular tube is arranged on the upper side of the outer wall of the plastic spraying box body.

Description

Circular tube plastic spraying device
Technical Field
The invention relates to the technical field of spraying, in particular to a circular tube plastic spraying device.
Background
Plastic spraying is a surface treatment method for spraying plastic powder on parts. The plastic spraying is the electrostatic powder spraying which is often said by us, and the processing technology of the plastic spraying is a decoration technology which is adopted to process metal surfaces more generally internationally since the 80 s of the 20 th century. Compared with the common paint spraying surface treatment, the technology has the advantages of advanced process, energy conservation, high efficiency, safety, reliability, bright color and the like. Therefore, the method is often applied to the fields of light industry and home decoration.
The existing plastic spraying device is serious in powder lifting in the working process, harm is easily caused to a human body, a large amount of time is wasted for powder replacement of the existing device, the working efficiency is influenced, and meanwhile, the existing plastic spraying device is single in function and cannot complete multiple work tasks simultaneously.
Disclosure of Invention
The invention aims to provide a circular tube plastic spraying device which is used for overcoming the defects in the prior art.
The round tube plastic spraying device comprises a plastic spraying box body, wherein a power cavity is arranged in the plastic spraying box body, a grinding cavity is arranged on the right side of the power cavity, a grinding device for grinding a round tube to be ground is arranged in the grinding cavity, the right side of the grinding cavity is communicated with the plastic spraying cavity, a material outlet penetrating through the plastic spraying box body is formed in the position, opposite to the round tube, of the right wall of the plastic spraying cavity, and a material inlet for feeding the round tube is formed in the upper side of the outer wall of the plastic spraying box bodyThe plastic spraying device comprises a left powder spraying box and a right powder spraying box which are fixedly arranged on the upper side of the outer wall of a plastic spraying box body, the left powder spraying box and the right powder spraying box are respectively communicated with a reversing box through a left powder spraying pipe and a right powder spraying pipe, the upper side of the reversing box is connected with an upper powder spraying pipe which extends to the inner side of a plastic spraying cavity rightwards, a powder spraying control valve is fixedly arranged on the upper powder spraying pipe, a powder spraying gun which sprays plastic on a circular pipe is fixedly arranged on the lower side of the upper powder spraying pipe, a sliding plate which is fixedly arranged on the upper side of the left powder spraying box is arranged in the reversing box, a limiting block is slidably connected in the sliding plate, a spring which is fixedly arranged on the upper side of the left powder spraying box is connected to the lower side of the limiting block, a reversing knob is slidably connected to the upper side of the limiting block and is rotatably connected to the reversing box, and, Go up the dusting pipe with the L type passageway of right side dusting pipe, the right side of dusting case right side has set firmly the high-pressure air case, the high-pressure air case upside has set firmly the right side communicate in go up the dusting air pipe of dusting pipe, be equipped with the air control valve that dusts on the dusting air pipe, the high-pressure air case right side is equipped with and extends right to the scrap removal pipe of spraying the plastics intracavity, scrap removal pipe downside sets firmly and gets rid of the scrap removal rifle of the residual powder bits after the pipe is polished
On the basis of the technical scheme, the grinding device comprises a screw rod which is connected with the left wall of the grinding cavity in a threaded manner and extends left and right, a left fixed block and a right fixed block are connected on the screw rod in a threaded manner, a round pipe needing to be polished is arranged between the left fixed block and the right fixed block, the upper side and the lower side of the circular tube are respectively in friction fit with an upper grinding wheel and a lower grinding wheel, the upper grinding wheel is fixedly provided with an upper driven shaft which extends leftwards and rightwards and is rotationally connected with the right wall of the grinding cavity at the right end, a lower driven shaft which extends left and right and is rotationally connected with the right wall of the grinding cavity is fixedly arranged on the lower grinding wheel, the upper driven shaft and the lower driven shaft are rotatably connected to the left wall of the grinding cavity and extend leftwards into the power cavity, the rear of the grinding cavity is hinged with a material inlet, and a driving device for providing power for the upper grinding wheel and the lower grinding wheel is arranged in the power cavity.
On the basis of the technical scheme, the driving device comprises a driving motor fixedly arranged on the left wall of the power cavity, the right side of the driving motor is connected with a driving shaft, a spline housing is fixedly arranged on the right side of the driving shaft, a spline shaft is slidably connected in the spline housing, the right side of the spline shaft is provided with a sliding connection rod connected with the spline housing, a driving gear is further fixedly arranged on the driving shaft, the upper side and the lower side of the driving gear are respectively meshed with an upper driven gear and a lower driven gear, the right side of the upper driven gear is fixedly arranged on the upper driven shaft, and the right side of the lower driven gear is fixedly arranged on the.
On the basis of the technical scheme, the lower side of the material outlet is provided with the fan, and the right side of the fan is provided with the dust collecting bag.
The invention has the beneficial effects that: the dust removal device has a simple structure and multiple functions, can finish the polishing, the chip removal and the plastic spraying work of the round pipe only by fixing once, is provided with the dust prevention device, effectively reduces the damage of dust to workers, has a convenient dust selection function, can clean and change the dust of another dust box in the plastic spraying process, saves time, and can conveniently adjust the ratio of air to dust through the material inlet of the valve
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure at A in FIG. 1;
fig. 3 is a schematic view of the structure at B-B in fig. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-3, for the sake of convenience, the orientations described hereinafter being defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
Referring to fig. 1 to 3, the circular tube plastic spraying device according to the embodiment of the invention includes a plastic spraying box body 10, a power cavity 11 is arranged in the plastic spraying box body 10, a grinding cavity 17 is arranged on the right side of the power cavity 11, a grinding device 48 for grinding a circular tube 31 to be ground is arranged in the grinding cavity 17, a plastic spraying cavity 39 is communicated with the right side of the grinding cavity 17, a material outlet 52 penetrating through the plastic spraying box body 10 is arranged at a position of the right wall of the plastic spraying cavity 39 opposite to the circular tube 31, a plastic spraying device 49 for spraying plastic on the circular tube 31 is arranged on the upper side of the outer wall of the plastic spraying box body 10, the plastic spraying device 49 includes a left powder spraying box 23 and a right powder spraying box 29 fixedly arranged on the upper side of the outer wall of the plastic spraying box body 10, the left powder spraying box 23 and the right powder spraying box 29 are respectively communicated with a reversing box 24 through a left powder spraying tube 42 and a right powder spraying tube 41, the upper side of the reversing box 24 is connected with an upper powder spraying tube 40 extending right, a powder spraying control valve 37 is fixedly arranged on the upper powder spraying pipe 40, a powder spraying gun 38 for spraying the circular pipe 31 is fixedly arranged on the lower side of the upper powder spraying pipe 40, a sliding plate 25 fixedly arranged on the upper side of the left powder spraying box 23 is arranged in the reversing box 24, a limiting block 27 is connected in the sliding plate 25 in a sliding manner, a spring 28 fixedly arranged on the upper side of the left powder spraying box 23 is connected to the lower side of the limiting block 27, a reversing knob 26 is connected on the upper side of the limiting block 27 in a sliding manner, the reversing knob 26 is rotatably connected to the reversing box 24, an L-shaped channel 53 which can be communicated with the left powder spraying pipe 42, the upper powder spraying pipe 40 and the right powder spraying pipe 41 is arranged in the reversing knob 26, a high-pressure air box 33 is fixedly arranged on the right side of the right powder spraying box 29, a powder spraying air pipe 35 with the right side communicated with the upper powder spraying pipe 40 is fixedly arranged on the upper side of, the right side of the high-pressure air tank 33 is provided with a chip removing pipe 34 which extends rightwards into the plastic spraying cavity 39, and the lower side of the chip removing pipe 34 is fixedly provided with a chip removing gun 43 which is used for removing residual powder after the round pipe 31 is polished.
In addition, in one embodiment, the polishing device 48 includes a screw rod 20 which is in threaded connection with the left wall of the polishing chamber 17 and extends left and right, a left fixed block 30 and a right fixed block 32 are in threaded connection with the screw rod 20, a round tube 31 which needs to be polished is arranged between the left fixed block 30 and the right fixed block 32, an upper polishing wheel 50 and a lower polishing wheel 44 are respectively in friction fit with the upper side and the lower side of the round tube 31, an upper driven shaft 21 which extends left and right and has a right end rotatably connected with the right wall of the polishing chamber 17 is fixedly arranged on the upper polishing wheel 50, a lower driven shaft 16 which extends left and has a right end rotatably connected with the right wall of the polishing chamber 17 is fixedly arranged on the lower polishing wheel 44, the upper driven shaft 21 and the lower driven shaft 16 are rotatably connected with the left wall of the polishing chamber 17 and extend left into the power chamber 11, a material inlet 51 is hinged behind the, a driving device 47 for providing power for the upper grinding wheel 50 and the lower grinding wheel 44 is arranged in the power cavity 11; the material inlet 51 is manually opened to rotate the right fixing block 32 from the screw rod 20, then the round pipe 31 is sleeved on the screw rod 20 and is in contact with the left fixing block 30, then the right fixing block 32 is rotated on the screw rod 20 again to clamp and fix the round pipe 31, and then the driving device 47 is started to enable the lower polishing wheel 44 and the upper polishing wheel 50 to rotate simultaneously to polish the periphery of the round pipe 31.
In addition, in one embodiment, the driving device 47 includes a driving motor 12 fixed on the left wall of the power cavity 11, a driving shaft 13 is connected to the right side of the driving motor 12, a spline housing 19 is fixed on the right side of the driving shaft 13, a spline shaft 18 is slidably connected to the spline housing 19, the lead screw 20 slidably connected to the spline housing 19 is arranged on the right side of the spline shaft 18, a driving gear 14 is further fixed on the driving shaft 13, an upper driven gear 22 and a lower driven gear 15 are respectively engaged with the upper and lower sides of the driving gear 14, the right side of the upper driven gear 22 is fixed on the upper driven shaft 21, and the right side of the lower driven gear 15 is fixed on the lower driven shaft 16; the driving motor 12 is started to drive the driving shaft 13 to rotate, the driving gear 14, the lower driven gear 15 and the upper driven gear 22 drive the lower driven shaft 16, the spline housing 19 and the upper driven shaft 21 to rotate, the spline housing 19 drives the spline shaft 18 to rotate, the spline shaft 18 drives the screw rod 20 to rotate, and the screw rod 20 is in threaded connection with the left wall of the grinding cavity 17, so that the screw rod 20 rotates and moves rightwards.
In addition, in one embodiment, a fan 45 is arranged at the lower side of the material outlet 52, and a dust collecting bag 46 is arranged at the right side of the fan 45; so that the dust and debris in 39 can be adsorbed by the fan 45 and collected in the collection bag 46.
When the plastic spraying work is needed, a worker opens a material inlet 51 to install and fix the circular tube 31 between the left fixing block 30 and the right fixing block 32, the driving motor 12 is started to drive the lower polishing wheel 44 and the upper polishing wheel 50 to rotate simultaneously to polish the periphery of the circular tube 31, the scrap removing gun 43 carries out scrap treatment on the polished circular tube 31, the left powder spraying tube 42 or the right powder spraying tube 41 which needs to be communicated is selected by rotating the reversing knob 26, the plastic spraying powder in the left powder spraying box 23 and the right powder spraying box 29 enters the upper powder spraying tube 40 through the L-shaped channel 53, the powder spraying is sent into the powder spraying gun 38 after the proportion of the powder spraying and the air is adjusted through the powder spraying air control valve 35 and the powder spraying control valve 37, the powder spraying gun 38 carries out plastic spraying on the circular tube 31, after the plastic spraying is completed, the motor stops rotating, and the worker takes out the circular tube 31 from the material outlet 52.
The invention has the beneficial effects that: the dust removal device is simple in structure and multifunctional, grinding, scrap removal and plastic spraying of the round pipe can be completed only by once fixing, meanwhile, the dust removal device is provided with the dust prevention device, damage of dust to workers is effectively reduced, meanwhile, the dust removal device has a convenient dust selection function, another dust box can be cleaned and replaced during plastic spraying, time is saved, and the proportion of air and dust can be conveniently adjusted through the valve.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (4)

1. The utility model provides a pipe plastic-blasting device, includes the plastic-blasting box, its characterized in that: the plastic spraying device comprises a left powder spraying box and a right powder spraying box which are fixedly arranged on the upper side of the outer wall of the plastic spraying box body, the left powder spraying box and the right powder spraying box are respectively communicated with a reversing box through a left powder spraying pipe and a right powder spraying pipe, the upper side of the reversing box is connected with an upper powder spraying pipe which extends rightwards into the plastic spraying cavity, a powder spraying control valve is fixedly arranged on the upper powder spraying pipe, and a powder spraying gun for spraying plastic on the round pipe is fixedly arranged on the lower side of the upper powder spraying pipe, a sliding plate fixedly arranged at the upper side of the left powder spraying box is arranged in the reversing box, a limiting block is connected in the sliding plate in a sliding way, the lower side of the limiting block is connected with a spring fixedly arranged on the upper side of the left powder spraying box, the upper side of the limiting block is connected with a reversing knob in a sliding way, the reversing knob is rotationally connected with the reversing box, an L-shaped channel which can be communicated with the left powder spraying pipe, the upper powder spraying pipe and the right powder spraying pipe is arranged in the reversing knob, the right side of the right powder spraying box is fixedly provided with a high-pressure air box, the upper side of the high-pressure air box is fixedly provided with a powder spraying air pipe, the right side of the powder spraying air pipe is communicated with the upper powder spraying pipe, the powder spraying air pipe is provided with a powder spraying air control valve, the right side of the high-pressure air box is provided with a chip removing pipe which extends rightwards into the plastic spraying cavity, and the lower side of the chip removing pipe is fixedly provided with a chip removing gun which is used for removing residual powder after the round pipe is polished.
2. The round tube plastic spraying device according to claim 1, characterized in that: grinding device include threaded connection in grind the lead screw that the chamber left wall just extended about and, threaded connection has left fixed block and right fixed block on the lead screw, be equipped with the pipe that needs to polish the processing between left side fixed block and the right fixed block, the pipe about the side friction fit respectively have polish the wheel with polish down the wheel, on polish set firmly about extend and the right-hand member rotate connect in polish the last driven shaft of chamber right wall, it extends about to set firmly on the wheel down and the right-hand member rotate connect in polish the lower driven shaft of chamber right wall, go up the driven shaft with the driven shaft rotates connect in polish the chamber left wall and extend to left the power intracavity, it has the material import to polish to articulate behind the chamber, the power intracavity be equipped with for go up polish the wheel with the drive arrangement that the wheel provided power down.
3. The round tube plastic spraying device according to claim 2, characterized in that: drive arrangement is including setting firmly in the driving motor of power chamber left wall, the driving motor right side is connected with the drive shaft, the drive shaft right side has set firmly the spline housing, sliding connection has the integral key shaft in the spline housing, the integral key shaft right side be equipped with sliding connection in the spline housing the lead screw, still set firmly drive gear in the drive shaft, the side meshes last driven gear and lower driven gear respectively about the drive gear, go up the driven gear right side set firmly in go up the driven shaft, the driven gear right side set firmly in driven shaft down.
4. The round tube plastic spraying device according to claim 1, characterized in that: the material outlet downside is equipped with the fan, the fan right side is equipped with the dust and collects the bag.
CN202010011259.1A 2020-01-06 2020-01-06 Circular tube plastic spraying device Active CN111070102B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010011259.1A CN111070102B (en) 2020-01-06 2020-01-06 Circular tube plastic spraying device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010011259.1A CN111070102B (en) 2020-01-06 2020-01-06 Circular tube plastic spraying device

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Publication Number Publication Date
CN111070102A CN111070102A (en) 2020-04-28
CN111070102B true CN111070102B (en) 2021-04-13

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CN202010011259.1A Active CN111070102B (en) 2020-01-06 2020-01-06 Circular tube plastic spraying device

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112809471B (en) * 2021-01-25 2022-11-15 江苏同德液压机械有限公司 Grinding method for straight inner hole with high finish degree
CN112917376B (en) * 2021-01-25 2022-09-02 青岛毅峰盛机械设备有限公司 Straight hole high finish grinds machine
CN112934498B (en) * 2021-01-25 2022-09-02 深圳众达电线有限公司 Special electrostatic powder spraying device for cable processing technology

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Publication number Priority date Publication date Assignee Title
JP4165183B2 (en) * 2002-10-25 2008-10-15 コニカミノルタホールディングス株式会社 Coating device for production of silver salt photothermographic material
CN104707746B (en) * 2015-01-26 2016-08-24 芜湖利锋精工科技有限公司 A kind of device for torque arm plastic-blasting and plastic-blasting method thereof
CN206483597U (en) * 2017-01-22 2017-09-12 河北华洋体育用品有限公司 A kind of plastic-spraying equipment
CN106863102B (en) * 2017-04-06 2019-04-05 新昌县承慧机电设备有限公司 A kind of Industrial Steels pipe surface fast polishing equipment
CN206778807U (en) * 2017-05-27 2017-12-22 昆山丰巧机械有限公司 A kind of double end vacuum spray painting machine
CN107497629A (en) * 2017-09-27 2017-12-22 浙江德清德泰门业有限公司 A kind of polishing paint spraying apparatus of metal door and window lockset
CN107899799A (en) * 2017-12-21 2018-04-13 重庆黎帆装饰工程有限公司 A kind of plastic-blasting device
CN208742832U (en) * 2018-12-29 2019-04-16 山东天衢铝业有限公司 A kind of spraying aluminum profile is with changing powder device
CN110076041B (en) * 2019-05-08 2024-04-30 佛山市顺德区红力机械设备有限公司 Vacuum spraying machine
CN110614709B (en) * 2019-11-12 2020-07-24 广东明宇科技股份有限公司 Glazing method and device thereof

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Effective date of registration: 20210325

Address after: 311100 building D-2, No. 20, zhazhuangqiao Road, Renhe street, Yuhang District, Hangzhou City, Zhejiang Province

Applicant after: Hangzhou Yijie HVAC Equipment Co.,Ltd.

Address before: 116 Wenjiao Road, Jiantiao Town, Sanmen County, Taizhou City, Zhejiang Province 317100

Applicant before: Sanmen Qiulan spraying machine technology Co.,Ltd.

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Effective date of registration: 20230609

Address after: 310000 Caoqiao Village, Jingshan Town, Yuhang District, Hangzhou City, Zhejiang Province

Patentee after: Hangzhou Jiesai Environmental Protection Equipment Co.,Ltd.

Address before: 311100 building D-2, No. 20, zhazhuangqiao Road, Renhe street, Yuhang District, Hangzhou City, Zhejiang Province

Patentee before: Hangzhou Yijie HVAC Equipment Co.,Ltd.