CN102166561A - Spraying method for preventing steel plate hot mark machine spray head from being blocked - Google Patents

Spraying method for preventing steel plate hot mark machine spray head from being blocked Download PDF

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Publication number
CN102166561A
CN102166561A CN2011101009048A CN201110100904A CN102166561A CN 102166561 A CN102166561 A CN 102166561A CN 2011101009048 A CN2011101009048 A CN 2011101009048A CN 201110100904 A CN201110100904 A CN 201110100904A CN 102166561 A CN102166561 A CN 102166561A
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China
Prior art keywords
spraying
spray head
paint
steel plate
shower nozzle
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Application number
CN2011101009048A
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Chinese (zh)
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CN102166561B (en
Inventor
曹辉刚
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Chongqing Iron and Steel Co Ltd
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Chongqing Iron and Steel Group Co Ltd
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Priority to CN 201110100904 priority Critical patent/CN102166561B/en
Publication of CN102166561A publication Critical patent/CN102166561A/en
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Abstract

The invention discloses a spraying method for preventing a steel plate hot mark machine spray head from being blocked. The method comprises the following steps of: a, starting spraying for the first time, namely continuously filling compressed air into an atomization air cavity of the spray head; b, opening a spray head paint nozzle and spraying paint; c, after finishing the paint spraying for the first time, closing the spray head paint nozzle; d, stopping filling the compressed air, continuously filling cooling water into the atomization air cavity, and stopping filling the cooling water when the spraying for the next time is started; and e, repeating the steps from a to d until marking operation is finished. In the spraying method, the spray head is cooled by the continuous compressed air in a spraying process, and the spray head is cooled by the continuous cooling water after the spraying is finished, so the temperature of the paint in the spray head paint cavity is kept in a lower range, the solidification of the paint is not affected by high temperature of a steel plate, and the failure rate of the spray head is low; and besides cleaning and cooling the spray head, the continuously sprayed cooling water also plays a role in removing dust in the air from the paint at the same time, so the air in the working environment is cleaner.

Description

A kind of spraying method that prevents that the hot sign machine of steel plate shower nozzle from stopping up
Technical field
The present invention relates to the hot sign machine of a kind of steel plate shower nozzle spraying control method, particularly a kind of spraying method that prevents that shower nozzle from stopping up.
Background technology
The hot sign machine of steel plate is arranged in the outlet roller-way zone of main rolling line thermal straightening machine, can carry out the character spray printing at hot steel plate upper surface, and the spray printing mode adopts steel plate to pass through dynamic spray printing, and prestissimo can reach 180 meters of per minute kinds.The hot sign machine of steel plate adopts fire resistant water-based coating as the spray printing medium, and the spray printing steel billet temperature is up to 1050 ℃.
The shower nozzle of the hot sign machine of steel plate is provided with coating chamber, primary atomization air chamber and secondary-atomizing air chamber; During spraying, armature attracts the spool in the coating chamber to open coating chamber spout, the coating ejection, and primary atomization air chamber and secondary-atomizing air chamber ejection high velocity air atomize coating, and the coating after the atomizing is injected in and forms mark on the steel plate; After spraying was finished, the spool return was closed coating chamber spout, and cut off the air in primary atomization air chamber and the secondary-atomizing air chamber, fed rinse water cleaning shower nozzle again in the atomizing space air cavity; After cleaning is finished, cut off rinse water, no longer bubbling air or rinse water in this moment atomizing space air cavity, a mark is finished, pending mark next time such as shower nozzle.
This spraying method, after a mark is finished, coating in the coating chamber will be in the face of the baking of the above high temperature steel plate of several Baidu, and do not have cooling medium that it is lowered the temperature, and the coating in the coating chamber can not be realized automatic circulation, even the employing high-temperature resistant coating, this spraying method equally easily causes coating solidification in the coating chamber, stops up shower nozzle.In the production practices, shower nozzle plugging fault rate height, the blow head maintenance workload is big, and operating efficiency is low.
Therefore need improve hot sign machine spraying method of the prior art, prevent that paint solidification from stopping up shower nozzle.
Summary of the invention
In view of this, the purpose of this invention is to provide a kind of spraying method that prevents that the hot sign machine of steel plate shower nozzle from stopping up, it can prevent that paint solidification stops up shower nozzle in the shower nozzle, reduces the faulty nozzle rate.
A kind of spraying method that prevents that the hot sign machine of steel plate shower nozzle from stopping up of the present invention may further comprise the steps:
A, once spraying beginning continue to charge into compressed air in shower nozzle atomizing space air cavity;
B, open the shower nozzle paint spray nozzle, ejection coating;
C, a coating spraying are finished, and close paint spray nozzle;
D, block compressed air, in the atomizing space air cavity, continue to feed cooling water, when spraying beginning next time, block cooling water;
E, repeating step a to d finish up to the mark operation.
Further, the atomizing space air cavity among the described step a comprises primary atomization air chamber and secondary-atomizing air chamber, and compressed air charges into primary atomization air chamber and secondary-atomizing air chamber simultaneously;
Further, cooling water feeds primary atomization air chamber and secondary-atomizing air chamber simultaneously in the described steps d.
Beneficial effect of the present invention: a kind of spraying method that prevents that the hot sign machine of steel plate shower nozzle from stopping up of the present invention, in spraying process, shower nozzle has lasting compressed air cooling spray, after spraying finishes, shower nozzle has lasting water quench shower nozzle, can guarantee that the coating temperature remains in the low scope in the shower nozzle coating chamber, can the influence of invar plate hight temperature not solidify that the faulty nozzle rate is low; The cooling water that continues ejection simultaneously also can play the dedusting effect to airborne coating dust except the effect of cleaning shower nozzle, cooling spray is arranged, the working environment air is more cleaned.
Description of drawings
Below in conjunction with drawings and Examples the present invention is further described.
Fig. 1 is hot sign machine nozzle structure cutaway view.
The specific embodiment
Fig. 1 is hot sign machine nozzle structure cutaway view.
A kind of spraying method that prevents that the hot sign machine of steel plate shower nozzle from stopping up of present embodiment may further comprise the steps:
A, once spraying beginning continue to charge into compressed air in shower nozzle atomizing space air cavity;
B, open the shower nozzle paint spray nozzle, ejection coating;
C, a coating spraying are finished, and close paint spray nozzle;
D, block compressed air, in the atomizing space air cavity, continue to feed cooling water, when spraying beginning next time, block cooling water;
E, repeating step a to d finish up to the mark operation.
This spraying method, in spraying process, shower nozzle has lasting compressed air cooling spray, after spraying finished, shower nozzle had lasting water quench shower nozzle, can guarantee that the coating temperature remains in the low scope in the shower nozzle coating chamber 1, can the influence of invar plate hight temperature not solidify, the faulty nozzle rate is low; The cooling water that continues ejection simultaneously also can play the dedusting effect to airborne coating dust except the effect of cleaning shower nozzle, cooling spray is arranged, the working environment air is more cleaned.
In the present embodiment: the atomizing space air cavity among the described step a comprises primary atomization air chamber 2 and secondary-atomizing air chamber 3, and compressed air charges into primary atomization air chamber and secondary-atomizing air chamber simultaneously; Twice atomizing can make the coating atomizing more abundant, and mark is more clear.
In the present embodiment: cooling water feeds primary atomization air chamber and secondary-atomizing air chamber simultaneously in the described steps d, and is better to the cooling effect of shower nozzle, more can prevent the paint solidification in the shower nozzle coating chamber.
Explanation is at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from the aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.

Claims (3)

1. spraying method that prevents that the hot sign machine of steel plate shower nozzle from stopping up is characterized in that: may further comprise the steps:
A, once spraying beginning continue to charge into compressed air in shower nozzle atomizing space air cavity;
B, open the shower nozzle paint spray nozzle, ejection coating;
C, a coating spraying are finished, and close paint spray nozzle;
D, block compressed air, in the atomizing space air cavity, continue to feed cooling water, when spraying beginning next time, block cooling water;
E, repeating step a to d finish up to the mark operation.
2. a kind of spraying method that prevents that the hot sign machine of steel plate shower nozzle from stopping up according to claim 1, it is characterized in that: the atomizing space air cavity among the described step a comprises primary atomization air chamber and secondary-atomizing air chamber, and compressed air charges into primary atomization air chamber and secondary-atomizing air chamber simultaneously.
3. a kind of spraying method that prevents that the hot sign machine of steel plate shower nozzle from stopping up according to claim 2, it is characterized in that: cooling water feeds primary atomization air chamber and secondary-atomizing air chamber simultaneously in the described steps d.
CN 201110100904 2011-04-21 2011-04-21 Spraying method for preventing steel plate hot mark machine spray head from being blocked Active CN102166561B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201110100904 CN102166561B (en) 2011-04-21 2011-04-21 Spraying method for preventing steel plate hot mark machine spray head from being blocked

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201110100904 CN102166561B (en) 2011-04-21 2011-04-21 Spraying method for preventing steel plate hot mark machine spray head from being blocked

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CN102166561A true CN102166561A (en) 2011-08-31
CN102166561B CN102166561B (en) 2013-06-05

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105479254A (en) * 2014-10-03 2016-04-13 发那科株式会社 Coolant nozzle having function of automatically eliminating clogging by foreign matter
CN107825857A (en) * 2017-10-23 2018-03-23 大连理工大学 A kind of shower nozzle for high-temperature electric jet printing
CN108967153A (en) * 2018-07-25 2018-12-11 陈丽芬 Anti-clogging drip head applied to fertilizing equipment
CN110841853A (en) * 2019-12-05 2020-02-28 何水远 Hardware paint spraying equipment with adjustable angle

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201258355Y (en) * 2008-09-11 2009-06-17 上海润馨化学工程技术发展有限公司 Secondary atomized spray head
CN101992599A (en) * 2010-10-14 2011-03-30 罗俊生 Spray head of steel plate surface-spraying marking device
CN201801572U (en) * 2010-10-14 2011-04-20 江苏中矿大正表面工程技术有限公司 High-efficiency multi-atomization arc pistol

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201258355Y (en) * 2008-09-11 2009-06-17 上海润馨化学工程技术发展有限公司 Secondary atomized spray head
CN101992599A (en) * 2010-10-14 2011-03-30 罗俊生 Spray head of steel plate surface-spraying marking device
CN201801572U (en) * 2010-10-14 2011-04-20 江苏中矿大正表面工程技术有限公司 High-efficiency multi-atomization arc pistol

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
刘伟业: "《喷印机喷嘴易堵塞原因分析》", 《液压与气动》 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105479254A (en) * 2014-10-03 2016-04-13 发那科株式会社 Coolant nozzle having function of automatically eliminating clogging by foreign matter
CN105479254B (en) * 2014-10-03 2018-08-24 发那科株式会社 Have the function of automatically eliminating the cooling medium nozzle of foreign matters from being blocked
CN107825857A (en) * 2017-10-23 2018-03-23 大连理工大学 A kind of shower nozzle for high-temperature electric jet printing
CN107825857B (en) * 2017-10-23 2019-04-23 大连理工大学 A kind of spray head for high-temperature electric jet printing
CN108967153A (en) * 2018-07-25 2018-12-11 陈丽芬 Anti-clogging drip head applied to fertilizing equipment
CN110841853A (en) * 2019-12-05 2020-02-28 何水远 Hardware paint spraying equipment with adjustable angle

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Effective date of registration: 20190211

Address after: 401220 No. 1, Gangcheng Road, Changshou District, Chongqing

Patentee after: Chongqing Iron and Steel Co., Ltd.

Address before: 400081 No. three, Tai Yan village, Dadukou District, Chongqing

Patentee before: Chongqing Iron & Steel (Group) Co., Ltd.

TR01 Transfer of patent right
CP02 Change in the address of a patent holder

Address after: No.2 Jiangnan Avenue, Jiangnan street, Changshou District, Chongqing 401220

Patentee after: CHONGQING IRON & STEEL Co.,Ltd.

Address before: 401220 No. 1, Gangcheng Road, Changshou District, Chongqing

Patentee before: CHONGQING IRON & STEEL Co.,Ltd.

CP02 Change in the address of a patent holder