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CN112275506A - Automatic rotary reverse cleaning spray nozzle - Google Patents

Automatic rotary reverse cleaning spray nozzle Download PDF

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Publication number
CN112275506A
CN112275506A CN202011249047.3A CN202011249047A CN112275506A CN 112275506 A CN112275506 A CN 112275506A CN 202011249047 A CN202011249047 A CN 202011249047A CN 112275506 A CN112275506 A CN 112275506A
Authority
CN
China
Prior art keywords
nozzle
spraying
rotary
shaft
driving
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN202011249047.3A
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Chinese (zh)
Inventor
肖善文
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.)
China Shipbuilding Industry Group Changjiang Technology Co ltd
Original Assignee
China Shipbuilding Industry Group Changjiang Technology 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.)
Filing date
Publication date
Application filed by China Shipbuilding Industry Group Changjiang Technology Co ltd filed Critical China Shipbuilding Industry Group Changjiang Technology Co ltd
Priority to CN202011249047.3A priority Critical patent/CN112275506A/en
Publication of CN112275506A publication Critical patent/CN112275506A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/50Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
    • B05B15/52Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter for removal of clogging particles
    • B05B15/531Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter for removal of clogging particles using backflow
    • B05B15/534Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter for removal of clogging particles using backflow by reversing the nozzle relative to the supply conduit

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  • Nozzles (AREA)

Abstract

The invention discloses a nozzle for automatic rotary reverse cleaning and spraying, which comprises a shell, a connector and a nozzle; the connector is partially embedded in the shell and used for connecting a spray gun, a feeding channel leading to the nozzle is arranged in the connector, a spraying channel is arranged in the nozzle and used for spraying coating, and the tail end of the feeding channel is communicated with the spraying channel; still include the drive the nozzle with the drive assembly that the connector carries out reverse switch and connects. According to the automatic-rotation reverse-cleaning spraying nozzle, the auxiliary nozzle of the driving cylinder is additionally connected with the connector in a reverse direction, the whole process is very convenient and fast to operate, manual reverse operation of the nozzle is not needed, and the working efficiency and the safety coefficient are greatly improved under the conditions of high altitude and severe environment.

Description

Automatic rotary reverse cleaning spray nozzle
Technical Field
The invention relates to the technical field of parts of airless spraying equipment, in particular to a nozzle for automatic rotary reverse cleaning and spraying.
Background
The nozzle is an indispensable execution component in the airless spraying equipment, and in the spraying operation process, the spraying operation is influenced because the spraying equipment and the pipeline channel are inevitably contaminated to cause the blockage of the nozzle. When the nozzle is blocked by impurities, the nozzle needs to be manually rotated by 180 degrees, the spray gun is started, the impurities in the nozzle are blown out by means of the pressure of the high-pressure coating, the nozzle is cleaned up, and the nozzle is rotated by 180 degrees again, so that normal spraying can be realized.
In manual spraying and automatic spraying operations, the conventional rotary nozzle (including similar products of various foreign companies) adopts a manual rotary nozzle mode to clean impurities in the nozzle.
However, in the equipment such as robot automatic spraying and closed severe environment automatic spraying of large-scale components, if the nozzle is blocked by impurities during the spraying operation, manual rotation of the nozzle to remove the blockage is very inconvenient in a special environment.
Therefore, in order to solve the above problems, there is a need for a nozzle for automatic rotary reverse cleaning spraying, which can realize blockage removal by an automatic rotary nozzle, avoid inconvenience of manual operation, and improve work efficiency.
Disclosure of Invention
In view of the above, the present invention is directed to overcome the defects in the prior art, and provides a nozzle for automatic rotary reverse cleaning and spraying, which can remove blockage of the automatic rotary nozzle, avoid inconvenience of manual operation, and improve work efficiency.
The invention relates to a nozzle for automatic rotary reverse cleaning and spraying, which comprises a shell, a connector and a nozzle; the connector is partially embedded in the shell and used for being connected with a spray gun, a feeding channel leading to the nozzle is arranged in the connector, a spraying channel is arranged in the nozzle and used for spraying coating, the tail end of the feeding channel is communicated with the spraying channel, and the coating enters the feeding channel of the connector through a pipeline of the spray gun and then enters the spraying channel of the nozzle to be sprayed out;
still including the drive the nozzle with the drive assembly that the connector carries out reverse switching connection, drive assembly's main function lie in auxiliary nozzle with the connection of connector is reverse, when the inside impurity that takes place of nozzle blocks up, with nozzle and connector reverse connection intercommunication, produces high-pressure gas through the spray gun and blows out the impurity in the spray passage with the nozzle in blowing in the nozzle, arranges stifled completion, resumes the nozzle to continue spraying in the state that coating sprayed after accomplishing to arrange stifled again, and whole process operation is very convenient, need not the manual reverse operation that carries out to the nozzle, has greatly improved work efficiency and factor of safety under the abominable condition of high altitude and environment.
Furthermore, the driving assembly comprises a rotating shaft for supporting and driving the nozzle to be reversely switched and a driving cylinder for driving the rotating shaft to rotate, the nozzle and the rotating shaft are integrated, and the rotation can be ensured to be accurate in place in the rotation process, and the phenomenon that the nozzle is installed unstably and misplaced is avoided.
Furthermore, the revolving shaft penetrates through the shell, the direction of the central axis of the shell is consistent with the direction of the central axes of the connector and the nozzle, the central axis of the connector is overlapped with the central axis of the nozzle, and the revolving center of the revolving shaft is perpendicular to and intersected with the central axis of the nozzle.
Furthermore, the nozzle penetrates through the rotating shaft and is limited in the through hole of the rotating shaft through the pressing sleeve and the positioning pin, the pressing sleeve axially presses the nozzle, and the positioning pin is further locked along the axial direction of the rotating shaft, so that the relative stability between the nozzle and the rotating shaft is ensured.
Furthermore, the driving cylinder is a rotary cylinder, the rotary stroke of the rotary shaft in one driving is 180 degrees, the rotating directions of the two adjacent driving are opposite, the rotary angle of the rotary shaft is controlled by controlling the driving stroke of the driving cylinder, the structure of a transmission part between the driving cylinder and the rotary shaft can be simplified, and the whole structure is simplified and lightened.
Furthermore, the driving end of the driving air cylinder is connected with the rotating shaft in a transmission mode sequentially through the transmission shaft and the positioning shaft, the transmission shaft is in key connection with the positioning shaft, the positioning shaft is provided with a positioning section which is cut into a flat square, the positioning shaft is matched with a baffle plate connected with the shell to limit the rotating angle of the rotating shaft, the rotating angle of the rotating shaft is controlled by controlling the stroke of a transmission part between the driving air cylinder and the rotating shaft, and the driving air cylinder is structurally slightly complex, but is higher in working reliability and higher in positioning accuracy.
Furthermore, the driving cylinder is a rotary cylinder, the rotating directions of two adjacent driving are opposite, the rotation shaft is ensured to alternately rotate clockwise and anticlockwise, the rotating angle is 180 degrees every time, and the forward and reverse reversing of the nozzle penetrating through the rotary shaft is ensured.
Further, still be provided with ejection of compact guide port on the casing, ejection of compact guide port is used for the guide to spray the coating that comes out from the nozzle and is umbelliform scatter, the nozzle is located between connector and the ejection of compact guide port, the setting of ejection of compact guide port can improve the spraying effect, and the coating that sprays out to the nozzle leads, is convenient for control and sprays the area and spray velocity.
Furthermore, a sealing ring is arranged between the nozzle and the through hole of the rotating shaft, so that the situation that the coating sprayed out of the nozzle flows back into the through hole of the rotating shaft to cause the blockage of the through hole and influence on the operation of the nozzle is avoided.
The invention has the beneficial effects that: according to the automatic-rotating nozzle for reverse cleaning and spraying, the connection between the auxiliary nozzle of the driving cylinder and the connector is reversed, when impurities are blocked in the nozzle, the nozzle is reversely connected and communicated with the connector, high-pressure gas is generated by the spray gun and blown into the nozzle to blow out the impurities in the spraying channel of the nozzle, the blockage removal is completed, the nozzle is restored to the coating spraying state to continue spraying after the blockage removal is completed, the whole process is very convenient to operate, manual reverse operation on the nozzle is not needed, and the working efficiency and the safety coefficient are greatly improved under the conditions of high altitude and severe environment.
Drawings
The invention is further described below with reference to the following figures and examples:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is a schematic cross-sectional view of the connector and the housing of the present invention;
FIG. 4 is a schematic cross-sectional view of the connecting shaft and the positioning shaft of the present invention;
FIG. 5 is a schematic cross-sectional view of a rotating shaft and a nozzle according to the present invention;
fig. 6 is another sectional structural view of fig. 4.
Detailed Description
Fig. 1 is a schematic structural view of the present invention, fig. 2 is a sectional view of fig. 1, fig. 3 is a schematic sectional structural view of a coupling head and a housing of the present invention, fig. 4 is a schematic sectional structure of a coupling shaft and a positioning shaft of the present invention, fig. 5 is a schematic sectional structure of a rotating shaft and a nozzle of the present invention, and fig. 6 is a schematic sectional structure of another direction of fig. 4, and as shown in the drawings, the nozzle for automatic rotating reverse cleaning spraying in the present embodiment includes a housing 1, a coupling head 2 and a nozzle 3; the connector 2 is partially embedded in the shell 1 and used for being connected with a spray gun, a feeding channel leading to the nozzle 3 is arranged in the connector 2, a spraying channel is arranged in the nozzle 3 and used for spraying coating, the tail end of the feeding channel is communicated with the spraying channel, and the coating enters the feeding channel of the connector 2 through a pipeline of the spray gun and then enters the spraying channel of the nozzle 3 to be sprayed out;
still including the drive nozzle 3 with connector 2 carries out the drive assembly that the reversal switching is connected, drive assembly's main action lie in auxiliary nozzle 3 with the connection of connector 2 is reverse, when the inside impurity that takes place of nozzle 3 blocks up, with nozzle 3 and the reverse intercommunication of being connected of connector 2, produce high-pressure gas through the spray gun and blow off the impurity in the spraying passageway of nozzle 3 in blowing in nozzle 3, arrange stifled completion, resume coating spraying in the state that sprays with nozzle 3 after accomplishing to arrange stifled again, it is very convenient to operate whole process, need not artificial manual reverse operation to nozzle 3, work efficiency and factor of safety have greatly been improved under the abominable condition of high altitude and environment.
In this embodiment, the driving assembly includes a rotating shaft 4 for supporting and driving the nozzle 3 to switch reversely and a driving cylinder 5 for driving the rotating shaft 4 to rotate, the nozzle 3 and the rotating shaft 4 are integrated, and it is ensured that the nozzle 3 rotates accurately in place and the nozzle 3 is not installed stably enough and is prevented from being misplaced in the rotating process.
In this embodiment, the rotation shaft 4 is disposed in the housing 1 in a penetrating manner, the central axis of the housing 1 is aligned with the central axes of the connector 2 and the nozzle 3, the central axis of the connector 2 is overlapped with the central axis of the nozzle 3, and the rotation center of the rotation shaft 4 is perpendicular to and intersects with the central axis of the nozzle 3.
In this embodiment, the nozzle 3 is disposed in the rotating shaft 4 in a penetrating manner, and is limited in the through hole of the rotating shaft 4 by the pressing sleeve 41 and the positioning pin 42, the pressing sleeve 41 axially presses the nozzle 3, and the positioning pin 42 is disposed along the axial direction of the rotating shaft 4 to further lock the pressing sleeve 41, thereby ensuring the relative stability between the nozzle 3 and the rotating shaft 4.
In this embodiment, the driving cylinder 5 is a rotary cylinder, the rotary stroke of the rotary shaft 4 in one driving is 180 °, the rotation directions of two adjacent driving are opposite, the rotary angle of the rotary shaft 4 is controlled by controlling the driving stroke of the driving cylinder 5, the structure of a transmission part between the driving cylinder 5 and the rotary shaft 4 can be simplified, and the whole structure is simplified and lightened.
In another embodiment, the driving end of the driving cylinder 5 is in transmission connection with the rotating shaft 4 sequentially through a transmission shaft 6 and a positioning shaft 7, the transmission shaft 6 is in key connection with the positioning shaft 7, the positioning shaft 7 is provided with a positioning section which is cut into a flat square, the positioning shaft 7 is matched with a baffle 8 connected with the shell 1 to limit the rotating angle of the rotating shaft 4, and the rotating angle of the rotating shaft 4 is controlled by controlling the stroke of a transmission part between the driving cylinder 5 and the rotating shaft 4.
In this embodiment, the driving cylinder 5 is a rotary cylinder, and the rotation directions of two adjacent driving operations are opposite to each other, so that the rotation of the rotary shaft 4 is performed alternately in clockwise and counterclockwise directions, and each rotation angle is 180 °, and the nozzle 3 penetrating through the rotary shaft 4 is enabled to realize forward and reverse rotation.
In this embodiment, still be provided with ejection of compact guide port 11 on casing 1, ejection of compact guide port 11 is used for guiding the coating that sprays out from nozzle 3 and is umbelliform scattering, nozzle 3 is located between connector 2 and the ejection of compact guide port 11, and the setting of ejection of compact guide port 11 can improve the spraying effect, leads the coating that sprays out to nozzle 3, is convenient for control and sprays area and spray rate.
In this embodiment, a sealing ring 43 is disposed between the nozzle 3 and the through hole of the rotating shaft 4, so as to prevent the coating sprayed from the nozzle 3 from flowing back into the through hole of the rotating shaft 4, which may cause the through hole to be blocked and affect the operation of the nozzle 3.
According to the automatic-rotating reverse-cleaning spraying nozzle 3, the driving cylinder 5 is additionally arranged to assist the reverse connection between the nozzle 3 and the connector 2, when impurities are blocked in the nozzle 3, the nozzle 3 and the connector 2 are reversely connected and communicated, high-pressure gas generated by the spray gun is blown into the nozzle 3 to blow out the impurities in the spraying channel of the nozzle 3, the blockage removal is completed, the nozzle 3 is restored to the coating spraying state to continue spraying after the blockage removal is completed, the operation in the whole process is very convenient, manual reverse operation on the nozzle 3 is not needed, and the working efficiency and the safety factor are greatly improved under the conditions of high altitude and severe environment.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims (9)

1.一种自动回转反向清洗喷涂用喷嘴,其特征在于:包括壳体、连接头与喷嘴;所述连接头部分嵌于所述壳体内用于连接喷枪且内部设置有通往喷嘴的进料通道,所述喷嘴内部具有喷洒通道用于喷洒涂料,所述进料通道的末端与喷洒通道连通;1. An automatic rotary reverse cleaning spray nozzle is characterized in that: it comprises a casing, a connecting head and a nozzle; the connecting head is partially embedded in the casing for connecting the spray gun and is internally provided with an inlet leading to the nozzle. a feeding channel, the nozzle has a spraying channel inside for spraying paint, and the end of the feeding channel is communicated with the spraying channel; 还包括驱动所述喷嘴与所述连接头进行反向切换连接的驱动组件。It also includes a driving component for driving the nozzle to perform reverse switching connection with the connecting head. 2.根据权利要求1所述的自动回转反向清洗喷涂用喷嘴,其特征在于:所述驱动组件包括用于支撑并驱动喷嘴反向切换的回转轴及驱动回转轴发生回转的驱动气缸。2 . The nozzle for automatic rotation and reverse cleaning and spraying according to claim 1 , wherein the driving assembly comprises a rotary shaft for supporting and driving the nozzle to switch in reverse and a driving cylinder for driving the rotary shaft to rotate. 3 . 3.根据权利要求2所述的自动回转反向清洗喷涂用喷嘴,其特征在于:所述回转轴贯穿设置于所述壳体内,所述壳体的中心轴线与所述连接头及喷嘴的中心轴线方向一致,所述连接头的中心轴线与所述喷嘴的中心轴线重合,所述回转轴的回转中心与所述喷嘴的中心轴线垂直且相交。3 . The automatic rotary reverse cleaning and spraying nozzle according to claim 2 , wherein the rotary shaft is arranged through the casing, and the center axis of the casing is connected to the center of the connecting head and the nozzle. 4 . The axes are in the same direction, the central axis of the connecting head coincides with the central axis of the nozzle, and the rotation center of the rotary shaft is perpendicular to and intersects with the central axis of the nozzle. 4.根据权利要求3所述的自动回转反向清洗喷涂用喷嘴,其特征在于:所述喷嘴贯穿设置于所述回转轴内,并通过压紧套及定位销限位于所述回转轴的通孔内。4. The nozzle for automatic rotary reverse cleaning and spraying according to claim 3, wherein the nozzle is arranged through the rotary shaft, and is limited to the passage of the rotary shaft by a pressing sleeve and a positioning pin. inside the hole. 5.根据权利要求4所述的自动回转反向清洗喷涂用喷嘴,其特征在于:所述驱动气缸为回转气缸,且一次驱动回转轴的回转行程为180°,相邻两次驱动的旋转方向相反。5. The nozzle for automatic rotary reverse cleaning and spraying according to claim 4, characterized in that: the driving cylinder is a rotary cylinder, and the rotary stroke of the rotary shaft once driven is 180°, and the rotation direction of the adjacent two drives is 180°. on the contrary. 6.根据权利要求4所述的自动回转反向清洗喷涂用喷嘴,其特征在于:所述驱动气缸的驱动端依次通过传动轴及定位轴与所述回转轴传动连接,所述传动轴与定位轴之间为键连接,所述定位轴上设置有被切割为扁方的定位段,所述定位轴配合与所述壳体连接的挡板对回转轴进行回转角度限位。6 . The automatic rotary reverse cleaning and spraying nozzle according to claim 4 , wherein the driving end of the driving cylinder is sequentially connected to the rotary shaft through a transmission shaft and a positioning shaft, and the transmission shaft is connected to the positioning shaft. 7 . The shafts are connected by keys, the positioning shaft is provided with a positioning section cut into a flat square, and the positioning shaft cooperates with the baffle plate connected with the housing to limit the rotation angle of the rotating shaft. 7.根据权利要求6所述的自动回转反向清洗喷涂用喷嘴,其特征在于:所述驱动气缸为回转气缸,相邻两次驱动的旋转方向相反。7 . The automatic rotary reverse cleaning and spraying nozzle according to claim 6 , wherein the driving cylinder is a rotary cylinder, and the rotation directions of the adjacent two drives are opposite. 8 . 8.根据权利要求1—7任一所述的自动回转反向清洗喷涂用喷嘴,其特征在于:所述壳体上还设置有出料引导口,所述出料引导口用于引导从喷嘴喷洒出来的涂料呈伞状散开,所述喷嘴位于所述连接头与出料引导口之间。8. The automatic rotary reverse cleaning and spraying nozzle according to any one of claims 1-7, characterized in that: the casing is further provided with a discharge guide port, and the discharge guide port is used to guide the nozzle from the nozzle. The sprayed paint spreads out in an umbrella shape, and the nozzle is located between the connection head and the discharge guide port. 9.根据权利要求4所述的自动回转反向清洗喷涂用喷嘴,其特征在于:所述喷嘴与所述回转轴的通孔之间设置有密封圈。9 . The spray nozzle for automatic rotary reverse cleaning according to claim 4 , wherein a sealing ring is arranged between the nozzle and the through hole of the rotary shaft. 10 .
CN202011249047.3A 2020-11-10 2020-11-10 Automatic rotary reverse cleaning spray nozzle Pending CN112275506A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011249047.3A CN112275506A (en) 2020-11-10 2020-11-10 Automatic rotary reverse cleaning spray nozzle

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Application Number Priority Date Filing Date Title
CN202011249047.3A CN112275506A (en) 2020-11-10 2020-11-10 Automatic rotary reverse cleaning spray nozzle

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Publication Number Publication Date
CN112275506A true CN112275506A (en) 2021-01-29

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CN202011249047.3A Pending CN112275506A (en) 2020-11-10 2020-11-10 Automatic rotary reverse cleaning spray nozzle

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115106325A (en) * 2022-08-30 2022-09-27 江苏名欧精密机械有限公司 Self-cleaning nozzle and application thereof in hardware electroplating processing and cleaning

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6279865A (en) * 1985-10-03 1987-04-13 Toyota Motor Corp Automatic spray gun
CN2359003Y (en) * 1999-03-04 2000-01-19 重庆长江涂装机械厂 Column-type rotary sprinkler head
CN213727371U (en) * 2020-11-10 2021-07-20 中国船舶重工集团长江科技有限公司 Automatic rotary reverse cleaning nozzle for airless spraying

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6279865A (en) * 1985-10-03 1987-04-13 Toyota Motor Corp Automatic spray gun
CN2359003Y (en) * 1999-03-04 2000-01-19 重庆长江涂装机械厂 Column-type rotary sprinkler head
CN213727371U (en) * 2020-11-10 2021-07-20 中国船舶重工集团长江科技有限公司 Automatic rotary reverse cleaning nozzle for airless spraying

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115106325A (en) * 2022-08-30 2022-09-27 江苏名欧精密机械有限公司 Self-cleaning nozzle and application thereof in hardware electroplating processing and cleaning

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