CN209034624U - Paint spray system with purging return line function - Google Patents

Paint spray system with purging return line function Download PDF

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Publication number
CN209034624U
CN209034624U CN201821787212.9U CN201821787212U CN209034624U CN 209034624 U CN209034624 U CN 209034624U CN 201821787212 U CN201821787212 U CN 201821787212U CN 209034624 U CN209034624 U CN 209034624U
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China
Prior art keywords
valve
valve body
paint
pneumatic booster
return line
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CN201821787212.9U
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Chinese (zh)
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向建川
郭巍
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China Shipbuilding Heavy Industry Group Changjiang Technology Co Ltd
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China Shipbuilding Heavy Industry Group Changjiang Technology Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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Abstract

The utility model provide it is a kind of with purging return line function paint spray system reflux mechanism is provided between the spray gun and paint can including the paint can, high-pressure pump and spray gun being sequentially communicated;The reflux mechanism includes recycle control valve, three-way connection, pneumatic booster valve, air pump and return pipe, the three-way connection is separately connected recycle control valve, pneumatic booster valve and return pipe, compared to the prior art, devise a compressed air line more, after completing coating cyclic operation, closing volume control valve, open pneumatic booster valve, it can further improve the purging pressure of compressed air by the pressurization mouth of pneumatic booster valve, with the compressed air after pressurization, coating in return line can be blown back in paint can, smoothly complete the cleaning of return line and the recycling of coating.

Description

Paint spray system with purging return line function
Technical field
The utility model relates to coating application apparatus fields, and in particular to a kind of coating with purging return line function Paint finishing.
Background technique
Further severe with environmental protection policy, container industry painting technology starts to carry out " oil changes water " policy energetically, green The water paint that colour circle is protected is used widely.Water paint easily precipitates, and technique requires spraying process timing to the painting in paint pipeline Material carries out circulating reflux operation.But the painting that existing paint finishing and not set special structure are used to clean in return line Material, after leading to each circulate operation, all can have a small amount of coating that can be adsorbed on tube wall, and coating is accumulated flowing back for a long time It in pipeline, is not back in paint can, on the one hand can not be available because deploying overlong time, form waste, on the other hand easily Solidify and blocking pipeline in return line.
Therefore, it in order to overcome the shortcomings of existing paint finishing, needs to design a kind of with purging return line function Paint spray system.
Utility model content
In view of this, the present invention provides a kind of paint spray systems with purging return line function, for real After present circulating reflux operation, the coating of return line is blown back receive in paint can rapidly, and simultaneously will be in return line Wall purging is clean, avoids paint-absorbable in pipeline inner wall, improves the reliability of return line and the utilization rate of coating, it is ensured that raw It is unaffected to produce beat.
The paint spray system with purging return line function provided by the utility model, including the coating being sequentially communicated Tank, high-pressure pump and spray gun are provided with reflux mechanism between the spray gun and paint can;
The reflux mechanism includes recycle control valve, three-way connection, pneumatic booster valve, air pump and return pipe;The reflux The inlet of control valve passes through the refluxing opening of piping connection spray gun;The three-way connection is separately connected the liquid out of recycle control valve Mouthful, the liquid feeding end of the gas outlet of pneumatic booster valve and return pipe, the outlet end of return pipe connects paint can;The pneumatic booster valve Air inlet and pressurization mouth pass through piping connection air pump;
The pneumatic booster valve includes valve body, valve seat, valve rod, spool, spring, piston;It is formed with valve chamber in the valve body, The valve seat is set to one end of valve chamber, and is tightly connected with valve chamber, and the piston is set to the valve chamber other end, and can be along valve chamber It slides axially;One end of the valve rod is connect with piston, and the other end is arranged in valve seat, is used for being set in valve seat to control The spool of valve seat on-off connects;The spring overcoat is in outside valve rod, and the both ends of spring are born against in valve seat and piston;It is described Valve body is equipped with the pressurization mouth of pneumatic booster valve close to one end of piston, and the side wall of the valve body is equipped with the air inlet of pneumatic booster valve Mouthful, the valve body is equipped with the gas outlet of pneumatic booster valve close to one end of valve seat.
Further, the valve body includes interconnected valve body I and valve body II, the inner wall shape of the valve body I and valve body II At valve chamber;The internal diameter of the valve body I is less than the internal diameter of valve body II, and valve seat one end connects valve body I, and the other end protrudes into valve body II, And it is formed and is sealed in the endface that valve body I is matched with valve body II;The piston is set to valve body in an axially sliding manner In II, the other end of the valve body II is equipped with the stepped hole for avoiding piston from skidding off, and when seal spool valve seat, piston is located just at The hole shoulder position of stepped hole.
Further, the pneumatic booster valve further includes end cap, and the end cap is connect with the other end of valve body II, and on end cap Connector equipped with connecting line forms the pressurization mouth of pneumatic booster valve;The bellmouth that the side wall of the valve body II is equipped with, the cone The aperture in shape hole is sequentially reduced from inside to outside, and the floating ball of control bellmouth on-off, while valve body II are provided in the bellmouth Inner wall be equipped with the strainer for avoiding floating ball from entering by bellmouth bigger diameter end valve chamber, the miner diameter end of the bellmouth is equipped with connection The connector of pipeline forms the air inlet of pneumatic booster valve;The other end of the valve body I is equipped with the interface for connecting line, shape At the gas outlet of pneumatic booster valve.
Further, the paint can includes tank body, the damping assembly and support column for being set to tank base;
The damping assembly includes tank body mounting base, pedestal, damping body and shock-absorbing spring;The pedestal includes into inverted T-shaped The bottom plate and mounting portion of structure setting;The damping body includes being coated at the fixed part of mounting portion and being integrally formed simultaneously with fixed part It is supported in the elastic sack body of bottom plate, the fixed part excircle is provided with to be caught in form fixed annular snap for tank body mounting base Slot;The shock-absorbing spring is set in the elastic sack body, and the both ends of shock-absorbing spring are born against in fixed part bottom and bottom plate;
The tank base offers liquid outlet, and mounting portion offers the via hole of the corresponding liquid outlet with bottom plate, is used for By the pipeline for connecting paint can liquid outlet and high-pressure pump;The support column is set to below bottom plate, for supporting tank body upwards; Mixing component is equipped in the tank body, the top of the tank is equipped with the driving that driving mixing component realizes Stirring in tank body Mechanism.
Further, the support column bottom is equipped with rubber antiskid pad.
Further, the both ends for the connecting line being arranged between the pneumatic booster valve and three-way connection are equipped with waterproof and breathable Film.
Further, the liquid outlet of the recycle control valve passes through the vertical joint of piping connection three-way connection;The threeway Two horizontal joints of connector are separately connected the liquid feeding end of return pipe and the gas outlet of pneumatic booster valve.
The utility model has the beneficial effects that
The paint spray system with purging return line function provided by the utility model, it is close on return line to return Flow control valve position devises a compressed air line, and after completing coating cyclic operation, closing volume control valve opens gas Dynamic pressure charging valve, can further improve the purging pressure of compressed air by the pressurization mouth of pneumatic booster valve, with the compression after pressurization Coating in return line can be blown back in paint can, smoothly complete the cleaning of return line and the recycling of coating by air;It is logical It crosses and the air inlet of pneumatic booster valve is arranged to one-way valve structures, the gas of valve chamber can be avoided enter under piston impetus It flows back, it is ensured that the compressed air into valve chamber can be under the pressurization of piston, into return line, thus more The coating in return line is blown back in paint can fastly.In addition, by the way that damping assembly is arranged in tank base, it can be in motor It drives agitating shaft to stir coating, when vibrating paint can, keeps the elastic sack body being located at below fixed part and shock-absorbing spring total With vibration damping is carried out, to alleviate vibration suffered by paint can.
Detailed description of the invention
The utility model is further described with reference to the accompanying drawings and examples:
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the structural schematic diagram of the pneumatic booster valve of the utility model;
Fig. 3 is the structural schematic diagram of the damping assembly of the utility model;
In figure:
1, paint can, 2, high-pressure pump, 3, spray gun, 4, recycle control valve, 5, three-way connection, 6, pneumatic booster valve, 7, air pump, 8, return pipe, 9, damping assembly, 10, support column, 11, driving mechanism, 12, mixing component;
9a, bottom plate, 9b, mounting portion, 9c, fixed part, 9d, tank body mounting base, 9e, shock-absorbing spring, 9f, elastic sack body;
61, valve body I, 62, valve body II, 63, valve seat, 64, spool, 65, valve rod, 66, piston, 67, end cap, 68, spring, 69, valve chamber, 61a, gas outlet, 62a, bellmouth, 62b, floating ball, 62c, air inlet, 62d, strainer, 67a, pressurization mouth.
Specific embodiment
The paint spray system with purging 88 tunnel function of return pipe provided in this embodiment, including the coating being sequentially communicated Tank 1, high-pressure pump 2 and spray gun 3 are provided with reflux mechanism between the spray gun 3 and paint can 1;
The reflux mechanism includes recycle control valve 4, three-way connection 5, pneumatic booster valve 6, air pump 7 and return pipe 8;It is described The inlet of recycle control valve 4 passes through the refluxing opening of piping connection spray gun;The three-way connection 5 is separately connected recycle control valve 4 Liquid outlet, the gas outlet of pneumatic booster valve 6 and the liquid feeding end of return pipe 8, the outlet end of return pipe 8 connects paint can;It is described The liquid outlet of recycle control valve 4 passes through the vertical joint of piping connection three-way connection 5;Two levels of the three-way connection 5 connect Head is separately connected the liquid feeding end of return pipe 8 and the gas outlet of pneumatic booster valve 6;The air inlet of the pneumatic booster valve 6 and pressurization Mouth passes through piping connection air pump 7;The both ends for the connecting line being arranged between the pneumatic booster valve 66 and three-way connection 55 are equal Equipped with waterproof ventilated membrane;
The pneumatic booster valve 66 includes valve body, valve seat 63, valve rod 65, spool 64, spring 68, piston 66;The valve body It is inside formed with valve chamber 69, the valve seat 63 is set to one end of valve chamber 69, and is tightly connected with valve chamber 69, and the piston 66 is arranged In 69 other end of valve chamber, and can slide axially along valve chamber 69;One end of the valve rod 65 is connect with piston 66, and the other end is arranged in In valve seat 63, it is used to connect the spool 64 of 63 on-off of control valve seat in valve seat 63 with being set to;The spring 68 is coated at valve Outside bar 65, and the both ends of spring 68 are born against in valve seat 63 and piston 66;The valve body is equipped with gas close to one end of piston 66 The pressurization mouth 67a of dynamic pressure charging valve 66, the side wall of the valve body are equipped with the air inlet 62c of pneumatic booster valve 66, and the valve body leans on One end of nearly valve seat 63 is equipped with the gas outlet 61a of pneumatic booster valve 66;
A compressed air line is designed in reflux mechanism, after completing coating cyclic operation, closing volume control valve 44, pneumatic booster valve 66 is opened, can further improve the purging pressure of compressed air by the pressurization mouth 67a of pneumatic booster valve 66 Coating in 88 tunnel of return pipe can be blown back in paint can with the compressed air after pressurization, be smoothly completed 88 tunnel of return pipe by power Cleaning and coating recycling.
In the present embodiment, the valve body includes interconnected valve body I 61 and valve body II 62, the valve body I 61 and valve body II 62 inner wall forms valve chamber 69;The internal diameter of the valve body I 61 is less than the internal diameter of valve body II 62, and 63 one end of valve seat connects valve body I 61, the other end protrudes into valve body II 62, and is formed and sealed in the endface that valve body I 61 is matched with valve body II 62;The piston 66 are set in an axially sliding manner in valve body II 62, and the other end of the valve body II 62, which is equipped with, avoids piston 66 from skidding off Stepped hole, when 64 seal valve seat 63 of spool, piston 66 is located just at the hole shoulder position of stepped hole;It is simple and reasonable, it is convenient Installation.
In the present embodiment, the pneumatic booster valve 66 further includes end cap 67, the other end of the end cap 67 and valve body II 62 Connection, and end cap 67 is equipped with the connector of connecting line, forms the pressurization mouth 67a of pneumatic booster valve 66;The valve body II 62 The aperture of the bellmouth 62a that side wall is equipped with, bellmouth 62a are sequentially reduced from inside to outside, are provided in the bellmouth 62a The floating ball 62b of bellmouth 62a on-off is controlled, while the inner wall of valve body II 62 is equipped with for avoiding floating ball 62b big by bellmouth 62a The miner diameter end that diameter end enters the strainer 62d, the bellmouth 62a of valve chamber 69 is equipped with the connector of connecting line, forms Pneumatic booster The air inlet 62c of valve 66;The other end of the valve body I 61 is equipped with the interface for connecting line, forms pneumatic booster valve 66 Gas outlet 61a;By the way that the air inlet 62c of pneumatic booster valve 66 is arranged to one-way valve structures, valve chamber 69 can be avoided enter into Gas flows back under 66 impetus of piston, it is ensured that the compressed air into valve chamber 69 can be made in the pressurization of piston 66 Under, into 88 tunnel of return pipe, to quickly blow back the coating in 88 tunnel of return pipe in paint can, reflux is smoothly completed The cleaning on 88 tunnel of pipe and the recycling of coating.
In the present embodiment, the paint can 1 includes tank body and the damping assembly 9 and support column that are set to tank base 10;
The damping assembly 9 includes tank body mounting base 9d9d, pedestal, damping body and shock-absorbing spring 689e;The pedestal packet Include into the bottom plate 9a and mounting portion 9b of inverted T-shaped structure setting;The damping body include be coated at mounting portion 9b fixed part 9c and The elastic sack body 9f of bottom plate 9a is integrally formed and is supported in fixed part 9c, and the fixed part 9c excircle is provided with for tank body Mounting base 9d9d is caught in form fixed annular slot;The shock-absorbing spring 689e is set in the elastic sack body 9f, vibration damping The both ends of spring 689e are born against in the bottom fixed part 9c and bottom plate 9a;Elastic sack body 9f is the drum for radially outward swelling formation Shape structure, it is internal to form cavity;The mounting portion 9b own elasticity utricule 9f of pedestal is passed through and self-fixed department 9c is pierced by;Wherein, pacify Dress portion 9b, fixed part 9c and elastic sack body 9f are made of rubber material;Shock-absorbing spring 689e is to be arranged around mounting portion 9b circumference It is multiple;By the way that damping assembly 9 is arranged in tank base, coating can be stirred in motor driven agitating shaft, paint can 1 occurs When vibration, the elastic sack body 9f and shock-absorbing spring 689e being located at below fixed part 9c is set to carry out vibration damping jointly, to alleviate coating Vibration suffered by tank 1.
In the present embodiment, the tank base offers liquid outlet, and mounting portion 9b offers corresponding be somebody's turn to do out with bottom plate 9a The via hole of liquid mouth, for the pipeline by connection paint can 1 liquid outlet and high-pressure pump 2;The support column 10 is set to bottom plate 9a Lower section, for supporting tank body upwards;Mixing component 12 is equipped in the tank body, the top of the tank is equipped with driving mixing component 12 The driving mechanism 11 of Stirring is realized in tank body;The mixing component 12 include with driving mechanism 11 cooperate agitating shaft, It is radially disposed at the blade of agitating shaft two sides;Driving mechanism 11 is motor.
In the present embodiment, 10 bottom of support column is equipped with rubber antiskid pad;Prevent paint can 1 from occurring in use Sliding, while certain effectiveness in vibration suppression can also be played.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model It encloses, should all cover in the scope of the claims of the utility model.

Claims (7)

1. it is a kind of with purging return line function paint spray system, it is characterised in that: including be sequentially communicated paint can, High-pressure pump and spray gun are provided with reflux mechanism between the spray gun and paint can;
The reflux mechanism includes recycle control valve, three-way connection, pneumatic booster valve, air pump and return pipe;The reflux control The inlet of valve passes through the refluxing opening of piping connection spray gun;The three-way connection is separately connected the liquid outlet of recycle control valve, gas The gas outlet of dynamic pressure charging valve and the liquid feeding end of return pipe, the outlet end of return pipe connect paint can;The pneumatic booster valve into Port and pressurization mouth pass through piping connection air pump;
The pneumatic booster valve includes valve body, valve seat, valve rod, spool, spring, piston;Valve chamber is formed in the valve body, it is described Valve seat is set to one end of valve chamber, and is tightly connected with valve chamber, and the piston is set to the valve chamber other end, and can be along valve chamber axial direction Sliding;One end of the valve rod is connect with piston, and the other end is arranged in valve seat, is used for being set in valve seat to control valve seat The spool of on-off connects;The spring overcoat is in outside valve rod, and the both ends of spring are born against in valve seat and piston;The valve body The pressurization mouth of pneumatic booster valve is equipped with close to one end of piston, the side wall of the valve body is equipped with the air inlet of pneumatic booster valve, The valve body is equipped with the gas outlet of pneumatic booster valve close to one end of valve seat.
2. the paint spray system with purging return line function according to claim 1, it is characterised in that: the valve Body includes interconnected valve body I and valve body II, and the inner wall of the valve body I and valve body II forms valve chamber;The internal diameter of the valve body I Less than the internal diameter of valve body II, valve seat one end connects valve body I, and the other end protrudes into valve body II, and matches in valve body I with valve body II Endface formed sealing;The piston is set in an axially sliding manner in valve body II, the other end of the valve body II Equipped with the stepped hole for avoiding piston from skidding off, when seal spool valve seat, piston is located just at the hole shoulder position of stepped hole.
3. the paint spray system with purging return line function according to claim 2, it is characterised in that: the gas Dynamic pressure charging valve further includes end cap, and the end cap is connect with the other end of valve body II, and end cap is equipped with the connector of connecting line, shape At the pressurization mouth of pneumatic booster valve;The bellmouth that the side wall of the valve body II is equipped with, the aperture of the bellmouth from inside to outside according to Secondary reduction is provided with the floating ball of control bellmouth on-off in the bellmouth, while the inner wall of valve body II is equipped with for avoiding floating Ball is entered the strainer of valve chamber by bellmouth bigger diameter end, and the miner diameter end of the bellmouth is equipped with the connector of connecting line, is formed pneumatic The air inlet of pressure charging valve;The other end of the valve body I is equipped with the interface for connecting line, forms the outlet of pneumatic booster valve Mouthful.
4. the paint spray system with purging return line function according to claim 1, it is characterised in that: the painting Batch can includes tank body, the damping assembly and support column for being set to tank base;
The damping assembly includes tank body mounting base, pedestal, damping body and shock-absorbing spring;The pedestal includes into inverted T-shaped structure The bottom plate and mounting portion of setting;The damping body includes being coated at the fixed part of mounting portion and being integrally formed and support with fixed part In the elastic sack body of bottom plate, the fixed part excircle is provided with to be caught in form fixed annular slot for tank body mounting base; The shock-absorbing spring is set in the elastic sack body, and the both ends of shock-absorbing spring are born against in fixed part bottom and bottom plate;
The tank base offers liquid outlet, and mounting portion offers the via hole of the corresponding liquid outlet with bottom plate, for passing through Connect the pipeline of paint can liquid outlet and high-pressure pump;The support column is set to below bottom plate, for supporting tank body upwards;It is described Mixing component is equipped in tank body, the top of the tank is equipped with the driving machine that driving mixing component realizes Stirring in tank body Structure.
5. the paint spray system with purging return line function according to claim 4, it is characterised in that: the branch Dagger bottom is equipped with rubber antiskid pad.
6. the paint spray system with purging return line function according to claim 1, it is characterised in that: the gas The both ends for the connecting line being arranged between dynamic pressure charging valve and three-way connection are equipped with waterproof ventilated membrane.
7. the paint spray system with purging return line function according to claim 1, it is characterised in that: described time The liquid outlet of flow control valve passes through the vertical joint of piping connection three-way connection;Two horizontal joints of the three-way connection are distinguished Connect the liquid feeding end of return pipe and the gas outlet of pneumatic booster valve.
CN201821787212.9U 2018-10-31 2018-10-31 Paint spray system with purging return line function Active CN209034624U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821787212.9U CN209034624U (en) 2018-10-31 2018-10-31 Paint spray system with purging return line function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821787212.9U CN209034624U (en) 2018-10-31 2018-10-31 Paint spray system with purging return line function

Publications (1)

Publication Number Publication Date
CN209034624U true CN209034624U (en) 2019-06-28

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Application Number Title Priority Date Filing Date
CN201821787212.9U Active CN209034624U (en) 2018-10-31 2018-10-31 Paint spray system with purging return line function

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Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112827696A (en) * 2021-01-02 2021-05-25 江苏德莱利建筑装饰工程有限公司 Epoxy terrace roller coat device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112827696A (en) * 2021-01-02 2021-05-25 江苏德莱利建筑装饰工程有限公司 Epoxy terrace roller coat device

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