CN109513531A - A kind of new coating nozzle - Google Patents

A kind of new coating nozzle Download PDF

Info

Publication number
CN109513531A
CN109513531A CN201811645884.0A CN201811645884A CN109513531A CN 109513531 A CN109513531 A CN 109513531A CN 201811645884 A CN201811645884 A CN 201811645884A CN 109513531 A CN109513531 A CN 109513531A
Authority
CN
China
Prior art keywords
blocking
hole
runner
middle reaches
chamber
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.)
Granted
Application number
CN201811645884.0A
Other languages
Chinese (zh)
Other versions
CN109513531B (en
Inventor
傅建设
陈佳
朱卓然
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.)
CHONGQING BOAO MG-AL MANUFACTURING Co Ltd
Original Assignee
CHONGQING BOAO MG-AL MANUFACTURING 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 CHONGQING BOAO MG-AL MANUFACTURING Co Ltd filed Critical CHONGQING BOAO MG-AL MANUFACTURING Co Ltd
Priority to CN201811645884.0A priority Critical patent/CN109513531B/en
Publication of CN109513531A publication Critical patent/CN109513531A/en
Application granted granted Critical
Publication of CN109513531B publication Critical patent/CN109513531B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/02Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/26Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with means for mechanically breaking-up or deflecting the jet after discharge, e.g. with fixed deflectors; Breaking-up the discharged liquid or other fluent material by impinging jets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/26Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with means for mechanically breaking-up or deflecting the jet after discharge, e.g. with fixed deflectors; Breaking-up the discharged liquid or other fluent material by impinging jets
    • B05B1/262Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with means for mechanically breaking-up or deflecting the jet after discharge, e.g. with fixed deflectors; Breaking-up the discharged liquid or other fluent material by impinging jets with fixed deflectors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/30Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
    • B05B1/3026Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the controlling element being a gate valve, a sliding valve or a cock

Landscapes

  • Nozzles (AREA)

Abstract

The invention discloses a kind of new coating nozzles, including pedestal, coating material passage and nebulization channel are equipped in pedestal, the import of coating material passage and nebulization channel is located at the same side of pedestal, nebulization channel straight line runs through pedestal, coating material passage interface is equipped in the middle part of nebulization channel, the outlet of coating material passage is connected to by coating material passage interface with nebulization channel, spraying swath mouth for adjusting is additionally provided on pedestal, the outlet of nebulization channel and spraying swath mouth for adjusting inlet communication, coating material passage includes the upstream canal being sequentially communicated along flow direction, middle reaches runner and downstream canal, it is equipped between upstream canal and middle reaches runner and blocks chamber, it blocks and is equipped with air pressure blocking part in chamber, flow adjusting cavity is equipped between middle reaches runner and downstream canal, rotation regulating valve is equipped in flow adjusting cavity.The present invention can steadily carry out coating spraying, can not only be opened and closed rapidly, prevent paint waste, protect environment, and flow is easy to adjust, cleaning is convenient, and spraying effect can be effectively ensured.

Description

A kind of new coating nozzle
Technical field
The present invention relates to magnesium alloy nozzles, and in particular to a kind of new coating nozzle.
Background technique
Die-casting process be using high pressure by molten metal be pressed into mold cavity in, molten metal under pressure cooled and solidified and Form casting.Die-casting process can manufacture the metal parts of complex-shaped, the clear-cut deep chamber of thin-walled, and the utilization rate of material It is high.Spraying is the important link in press casting procedure, can effectively avoid die casting and compression mod soldering, reduces die casting ejection When frictional resistance, prevent sticking to mould, and play cooling effect;It needs to carry out blow dried to mold again after spraying.
Since magnesium alloy latent heat is smaller than aluminium alloy, setting time is faster, more sensitive to mold temperature, thin-wall part mould Have that each regional temperature is too high or too low all to can lead to the mass defects such as product crackle, water wave, cold shut, counted according to another researcher, Die casting spray time accounts for the non-increment time of entire die casting cycle period 25%~38%.
Existing magnesium alloy pressure-casting spraying equipment has the following problems:
(1), flow is adjusted uneven, causes the coating thickness of die surface inconsistent;
(2), the problem of runner easily blocks, and is not easily cleaned;
(3), atomization is uneven, easily at drop;
(4), flow control mechanism operating lag is high, is opened and closed not in time;
(5), it sprays and blows and carried out by two independent components, cost is higher, equipment is more complicated.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of new coating nozzle.
Technical solution is as follows:
A kind of new coating nozzle, key are: including pedestal, it is equipped with coating material passage and nebulization channel in the pedestal, The import of the coating material passage and nebulization channel is located at the same side of the pedestal, and the nebulization channel straight line runs through the seat Body, is equipped with coating material passage interface in the middle part of the nebulization channel, the outlet of the coating material passage by the coating material passage interface with The nebulization channel is connected to, and spraying swath mouth for adjusting is additionally provided on the pedestal, and the outlet of the nebulization channel and the spraying swath are adjusted Mouth inlet communication;
The spraying swath mouth for adjusting screw thread rotation is set to the exit of the nebulization channel, which is equipped with described in connection The injection through-hole of nebulization channel;
The coating material passage includes upstream canal, middle reaches runner and the downstream canal being sequentially communicated along flow direction, the upstream It is equipped between runner and middle reaches runner and blocks chamber, be equipped with air pressure blocking part in the blocking chamber;
It is equipped with flow adjusting cavity between the middle reaches runner and downstream canal, is equipped with rotation in the flow adjusting cavity and adjusts Valve.
The effect of the program is: coating for input air and is atomized by coating material passage for inputting coating, nebulization channel Then it is sprayed from nozzle, carries out coating spraying;Air pressure blocking part is set between upstream canal and middle reaches runner, is able to achieve nozzle Rapid opening and closing, prevent the waste and environmental pollution of sprayed on material;Rotation regulating valve is equipped between middle reaches runner and downstream canal, The flow that coating material passage can be carried out according to different product demand is adjusted.
Preferably, the nebulization channel includes sequentially connected direct current hole, contracting discharge orifice and orifice, the direct current The outlet in hole connects the entrance of the contracting discharge orifice, and the outlet of the contracting discharge orifice connects the entrance of the orifice, the direct current hole with The aperture of orifice is all larger than the aperture of the contracting discharge orifice, and the aperture of the orifice is greater than the aperture in the direct current hole;
It is equipped with contracting stream extension around the contracting discharge orifice in the hole bottom of the orifice arrival end, the contracting stream extension Internal diameter is consistent with the internal diameter of the contracting discharge orifice, and the inner cavity of the inner cavity of the contracting stream extension and the contracting discharge orifice is connected, contracting curtain coating It stretches and forms diffusion chamber between pipe outer wall and the inner wall of the orifice, the cavity wall of the diffusion chamber is equipped with the coating material passage interface, The outlet of the coating material passage interface and the downstream canal is connected.
The effect of the program is: nebulization channel is atomized for coating, so that coating spraying is more uniform;Coating material passage interface It is located on the diffusion chamber side wall of orifice, coating can be made uniformly to fill in diffusion chamber;By the high-speed flow after contracting discharge orifice from It is gone out in contracting stream extension, diffusion chamber can be made to form negative pressure state, the coating in diffusion chamber is enable to lead lower height in rapidly air-flow Speed goes out nebulization channel.
Preferably, the outlet end of the upstream canal is located at the side wall for blocking chamber, the middle reaches runner Arrival end is located at the bottom for blocking chamber;
It is equipped with hollow abutting platform around the arrival end of the middle reaches runner in the blocking bottom of chamber portion, the hollow abutting platform Inner cavity is connected to the blocking chamber and middle reaches runner, is formed and is fed between the hollow outer wall for abutting platform and the side wall for blocking chamber Road;
The air pressure blocking part is to block diaphragm, and the edge of the blocking diaphragm and the inner sidewall for blocking chamber push against, institute State and block the inner face of diaphragm tight against the hollow abutting platform, it is described block diaphragm by the hollow inner cavity for abutting platform and it is described into Material path isolation.
The effect of the program is: blocking chamber to be located in coating runner, blocks diaphragm to be mounted on and block in chamber, can pass through air pressure Change the diaphragm state that blocks, realizes the blocking and opening of coating runner rapidly, prevent the waste and environmental pollution of sprayed on material.
Preferably, the flow adjusting cavity is in blind hole shape, is respectively equipped with middle reaches runner in bottom hole and side wall and connects Mouth and downstream canal interface, the outlet of the middle reaches runner are connected to by the middle reaches runner interface with the flow adjusting cavity, The entrance of the downstream canal is connected to by the downstream canal interface with the flow adjusting cavity;
The rotation regulating valve includes columned valve seat, which falls in the flow adjusting cavity, the valve seat with The axial line of the flow adjusting cavity is overlapped, and the outer wall of the valve seat is close to the flow and adjusts cavity wall, is run through on the valve seat Have an adjusting runner, the import for adjusting runner is docked with the middle reaches runner interface, the outlet of the adjusting runner with it is described The docking of downstream canal interface, the valve seat are rotated along the flow adjusting cavity axial line.
The effect of the program is: the adjusting runner of valve seat is connected to coating material passage in adjusting cavity, is adjusted by rotation valve seat The interface size of runner and coating material passage is adjusted, to achieve the purpose that adjusting coating flow.
Preferably, it is connected between the direct current hole and contracting discharge orifice by First Transition hole, the First Transition hole In a circular table shape, big opening end is connected to the direct current hole, and osculum end is connected to the contracting discharge orifice;
The aperture of First Transition hole big opening end is equal to the aperture in the direct current hole, the First Transition hole osculum end Aperture is equal to the aperture of the contracting discharge orifice;
The contracting stream extension forms the second transitional pore, second transitional pore far from the inner wall chamfering of contracting discharge orifice one end In a circular table shape, osculum end is connected to the contracting discharge orifice, and big opening end is to being opened on the pipe end end face of the contracting stream extension.
The effect of the program is: First Transition hole is in a circular table shape to play guiding contracting stream, and the runner of air-flow is made gradually to contract It is small, increase gas flow rate;Second transitional pore is in a circular table shape to play guiding current expanding function, make the high-speed flow after contracting discharge orifice slightly Micro- expansion airflow influence range is conducive to atomization.
Preferably, the blocking chamber is stepped hole comprising fluid bore, Yi Jiyuan close to the middle reaches runner Membranes pores from the middle reaches runner, the middle reaches runner and upstream canal are mutually perpendicular to, the middle reaches runner and the fluid The hole core wire in hole is overlapped, and the aperture of the membranes pores is greater than the aperture of the fluid bore, the hole wall of the fluid bore and it is described on The outlet for swimming runner is connected, and the entrance of the bottom hole of the fluid bore and the middle reaches runner is connected, and the hollow abutting platform is located at In the fluid bore;
The hollow abutting platform is cylindrical, and tube core line is overlapped with the hole core wire of the fluid bore, the hollow abutting The cricoid feed channel is formed between the outer wall of platform and the side wall for blocking chamber;
The blocking diaphragm is in pie, and the blocking diaphragm is embedded in the membranes pores, the edge for blocking diaphragm Tight against the inner wall of the membranes pores, the inner surface for blocking diaphragm offsets with the hollow pipe end end face for abutting platform.
The effect of the program is: blocking diaphragm to be embedded in membranes pores in pie, blocks diaphragm to be born by change External pressure makes to block diaphragm inwardly deformation occurs and the hollow inner cavity for abutting platform is isolated with feed channel, the effect that stops rapidly of realization; It can guarantee runner smoothness, be conducive to cutout rapidly, coating full cyclic annular feed channel rapidly squeezes into coating when can be conducive to open stream In the hollow inner cavity for abutting platform.
Preferably, on the end face of the valve seat insertion end coaxially be equipped with the first seal boss, described first Seal boss is cylindric, radius of the radius less than valve seat of first seal boss, the outer circumferential direction of first seal boss It is arranged with the first sealing ring, first seal boss pushes against the bottom hole and side wall of the flow adjusting cavity, the adjusting simultaneously Runner is connected to after passing through the first seal boss with the middle reaches runner;
The second seal boss is coaxially equipped on the end face of the valve seat outer end, second seal boss is cylinder Shape, the radius of second seal boss are less than the radius of the valve seat, and the outer circumferential direction of second seal boss is arranged with second Sealing ring, second sealing ring and the side wall of the flow adjusting cavity are adjacent to;
Circumferential direction is gone back outside second seal boss is arranged with locking lid, which is bolted with the pedestal, Second sealing ring is located between the inner surface of the locking lid and the outer end end face of the valve seat;
Second seal boss is extending axially outward form adjustable column, and it is close that the radius of the adjustable column is less than described second The radius of boss is sealed, the locking lid is sheathed on outside the adjustable column, and regulating tank is equipped on the outer end face of the adjustable column.
The effect of the program is: the setting of the first sealing station and the second sealing station can make valve seat and the closer company of pedestal It connects;The setting of first sealing ring and the second sealing ring can effectively prevent coating leakage;Valve seat is locked in by locking lid by bolt In the adjusting cavity of pedestal, detachable mounting means is also convenient for the cleaning of valve seat and adjusting cavity;Regulating tank is easy to use adjusting screw rod Rotate valve seat, change adjusted in valve seat runner and coating material passage to interface size, realize that the flow of coating is adjusted.
Preferably, the inner cavity for blocking diaphragm inner surface to correspond to the hollow abutting platform, which is equipped with, blocks head, It is described that head is blocked to be embedded in the hollow inner cavity for abutting platform;
The edge for blocking diaphragm extends outward to form tight loop, and deformation chamber is formed in the tight loop, the deformation chamber Bottom corresponds to the resistance to compression head that the blocking head is additionally provided with outwardly convex, which is less than the blocking head.
The effect of the program is: tight loop guarantees sealing performance, and deformation chamber is formed in tight loop can make to block in the middle part of diaphragm It is thinner than the thickness at edge, it is conducive to deformation and carries out closed flow;Resistance to compression head can have certain resistant function to air pressure, prevent from blocking diaphragm The excessive deformation in bottom makes to block diaphragm that can not reset, can not play blocking effect, and influences to block the service life of diaphragm.
Preferably, the spraying swath mouth for adjusting screw thread rotation is set in the orifice.The effect of the program is: injection Through-hole is orifice extension, plays guiding contracting stream, and the flow velocity of the mixed airflow after capable of promoting atomization makes atomizing effect more It is good.
Preferably, the entrance of the coating material passage is equipped with the first gasket bayonet, the first gasket bayonet Radius be greater than the aperture of the coating material passage, coating sealing ring is equipped in the first gasket bayonet;
The entrance of the nebulization channel is equipped with the first gasket bayonet, and the radius of the first gasket bayonet is greater than institute Direct current pore radius is stated, is arranged with atomization sealing ring in the first gasket bayonet.
The effect of the program is: preventing coating and air from leaking, avoids waste coating and waste environment, while guaranteeing fluid Air pressure, avoid influence atomizing effect.
The utility model has the advantages that a kind of new coating nozzle of the invention can steadily carry out coating spraying, can not only be opened and closed rapidly, Paint waste is prevented, environment is protected, and flow is easy to adjust, cleaning is convenient, and spraying effect can be effectively ensured.
Detailed description of the invention
Fig. 1 is schematic perspective view of the invention;
Fig. 2 is planar structure schematic diagram of the invention;
Fig. 3 is the bottom view of Fig. 2;
Fig. 4 is the cross-sectional view of Fig. 2;
Fig. 5 is the structural schematic diagram of valve seat 6;
Fig. 6 is the structural schematic diagram for blocking diaphragm 5;
Fig. 7 is the cross-sectional view of Fig. 6.
Specific embodiment
Below with reference to embodiment and attached drawing, the invention will be further described.
Embodiment:
As shown in attached drawing 1~7, a kind of new coating nozzle, including pedestal 1, pedestal 1 is interior to be equipped with coating material passage and is atomized logical The import of road, coating material passage and nebulization channel is located at the same side of pedestal 1, and nebulization channel straight line runs through pedestal 1, nebulization channel Middle part is equipped with coating material passage interface, and the outlet of coating material passage is connected to nebulization channel by coating material passage interface, is also set on pedestal 1 There are spraying swath mouth for adjusting 2, the outlet of nebulization channel and 2 inlet communication of spraying swath mouth for adjusting.
Coating material passage includes upstream canal a, middle reaches the runner c and downstream canal e being sequentially communicated along flow direction, upstream canal a It is equipped between the runner c of middle reaches and blocks chamber b, blocked and be equipped with air pressure blocking part in chamber b, set between middle reaches runner c and downstream canal e There is flow adjusting cavity, rotation regulating valve is equipped in flow adjusting cavity.
Nebulization channel includes sequentially connected direct current hole o, contracting discharge orifice p and orifice q, the outlet connection contracting stream of direct current hole o The aperture of the entrance of hole p, the entrance of the outlet connection orifice q of contracting discharge orifice p, direct current hole o and orifice q are all larger than contracting discharge orifice p Aperture, the aperture of orifice q is greater than the aperture of direct current hole o, and the rotation of 2 screw thread of spraying swath mouth for adjusting is set in orifice q, and spraying swath is adjusted Mouth 2 is equipped with the injection through-hole f of connection orifice q.
Contracting stream extension 3, the internal diameter of contracting stream extension 3 are equipped with around contracting discharge orifice p in the hole bottom of orifice q arrival end Consistent with the internal diameter of contracting discharge orifice p, the inner cavity of contracting stream extension 3 and the inner cavity of contracting discharge orifice p are connected, contracting stream 3 outer wall of extension and mist Change and form diffusion chamber between the inner wall of hole q, the cavity wall of diffusion chamber is equipped with coating material passage interface, coating material passage interface and downstream canal The outlet of e is connected.
By First Transition hole x connection between direct current hole o and contracting discharge orifice p, First Transition hole x is in a circular table shape, big opening end Connection direct current hole o, osculum end connection contracting discharge orifice p, aperture of the aperture equal to direct current hole o of First Transition hole x big opening end, first The aperture at transitional pore x osculum end is equal to the aperture of contracting discharge orifice p, and contracting stream extension 3 is formed far from the inner wall chamfering of the one end contracting discharge orifice p Second transitional pore y, the second transitional pore y is in a circular table shape, and osculum end is connected to contracting discharge orifice p, and big opening end flows extension 3 to contracting is opened in Pipe end end face on.
The outlet end of upstream canal a is located at the side wall for blocking chamber b, and the arrival end of middle reaches runner c is located at the bottom for blocking chamber b Portion is blocking arrival end of the bottom chamber b around middle reaches runner c to be equipped with hollow abutting platform 4, and the hollow inner cavity for abutting platform 4 is connected to resistance Disconnected chamber b and middle reaches runner c forms feed channel between the hollow outer wall for abutting platform 4 and the side wall for blocking chamber b, and air pressure blocking part is Diaphragm 5 is blocked, the edge for blocking diaphragm 5 and the inner sidewall for blocking chamber b push against, and block the inner face of diaphragm 5 tight against hollow abutting Platform 4 blocks diaphragm 5 that the hollow inner cavity for abutting platform 4 and feed channel are isolated.
Blocking chamber b is stepped hole comprising the fluid bore close to middle reaches runner c and the diaphragm far from middle reaches runner c Hole, middle reaches runner c and upstream canal a are mutually perpendicular to, and middle reaches runner c is overlapped with the hole core wire of fluid bore, and the aperture of membranes pores is big In the aperture of fluid bore, the outlet of the hole wall and upstream canal a of fluid bore is connected, the bottom hole of fluid bore and entering for middle reaches runner c Mouth is connected, and hollow abutting platform 4 is located in fluid bore, and hollow abutting platform 4 is cylindrical, the hole core wire weight of tube core line and fluid bore It closes, forms cricoid feed channel between the hollow outer wall for abutting platform 4 and the side wall for blocking chamber b, blocking diaphragm 5 is in pie, is blocked Diaphragm 5 is embedded in membranes pores, blocks the edge of diaphragm 5 tight against the inner wall of membranes pores, the inner surface of diaphragm 5 is blocked to support with hollow Consecutive 4 pipe end end face offsets.
In order to preferably realize rapid blocking, and guarantee to block the service life of diaphragm 5, blocks 5 inner surface of diaphragm The corresponding hollow inner cavity for abutting platform 4, which is equipped with, blocks head 51, blocks head 51 to be embedded in the hollow inner cavity for abutting platform 4, blocks diaphragm 5 edge extends outward to form tight loop, forms deformation chamber in tight loop, the bottom of deformation chamber is corresponding block head 51 be additionally provided with to The resistance to compression head 52 of outer lug, 52 volume of resistance to compression head, which is less than, blocks head 51.
Flow adjusting cavity is in blind hole shape, is respectively equipped with middle reaches runner interface and downstream canal interface in bottom hole and side wall, The outlet of middle reaches runner c is connected to by middle reaches runner interface with flow adjusting cavity, and the entrance of downstream canal e is connect by downstream canal Mouthful be connected to flow adjusting cavity, rotating regulating valve includes columned valve seat 6, and valve seat 6 is fallen in flow adjusting cavity, valve seat 6 and The axial line of flow adjusting cavity is overlapped, and the outer wall of valve seat 6 is close to flow and adjusts cavity wall, runs through to have adjusting runner d on valve seat 6, The import for adjusting runner d is docked with middle reaches runner c interface, and the outlet for adjusting runner d is docked with downstream canal c interface, 6 edge of valve seat The rotation of flow adjusting cavity axial line.
On the end face of 6 insertion end of valve seat coaxially be equipped with the first seal boss 61, the first seal boss 61 be it is cylindric, The radius of first seal boss 61 is less than the radius of valve seat 6, and the outer circumferential direction of the first seal boss 61 is arranged with the first sealing ring 7, the One seal boss 61 pushes against the bottom hole and side wall of flow adjusting cavity simultaneously, and adjusting runner d is after the first seal boss 61 in Runner c connection is swum, the second seal boss 62 is coaxially equipped on the end face of 6 outer end of valve seat, the second seal boss 62 is cylinder Shape, the radius of the second seal boss 62 are less than the radius of valve seat 6, and the outer circumferential direction of the second seal boss 62 is arranged with the second sealing ring 8, Second sealing ring 8 and the side wall of flow adjusting cavity are adjacent to.
In addition, rotating regulating valve for the ease of dismounting and cleaning, the spraying sequence of coating is not influenced, outside the second seal boss 62 Also circumferential direction is arranged with locking lid 9, and locking lid 9 is bolted with pedestal 1, and the second sealing ring 8 is located at the inner surface of locking lid 9 Between the outer end end face of valve seat 6, the second seal boss 62 is extending axially outward form adjustable column 63, and the radius of adjustable column 63 is small In the radius of the second seal boss 62, locks lid 9 and be sheathed on outside adjustable column 63, be equipped with and adjust on the outer end face of adjustable column 63 Slot i is locked and is also arranged with cushion 12 on the adjustable column 63 between lid 9 and the second sealing ring 8.
In order to guarantee the good air-tightness of entire nozzle, guarantee the air pressure of coating material passage and nebulization channel, coating material passage Entrance is equipped with the first gasket bayonet, and the radius of the first gasket bayonet is greater than the aperture of coating material passage, the first gasket card Coating sealing ring 10 is equipped in mouthful, the entrance of nebulization channel is equipped with the second gasket bayonet, the radius of the second gasket bayonet Greater than direct current hole o radius, atomization sealing ring 11 is arranged in the second gasket bayonet.
When specific implementation, it is also contemplated that the volume of entire pedestal, allows coating material passage rationally to detour in pedestal 1, Reasonable distribution blocks the position of chamber b, flow adjusting cavity.Therefore, this programme will block diaphragm 5, coating sealing ring 10 and atomization close Seal 11 is all disposed on the mounting surface of pedestal 1, is made coating import, atomization gas import, is blocked gas import all in the same direction, It is easily installed, while the adjustable column 63 on valve seat 6 being arranged in the same direction with nozzle 2, in order to which operator is adjusted, due to this Scheme pedestal 1 is integrally formed, for perfect detour coating material passage, manufacture when, pedestal 1 needs to open up some fabrication holes, to Coating is sensible manufacture successfully after, fabrication hole can be sealed.
Finally, it should be noted that foregoing description is only the preferred embodiment of the present invention, the ordinary skill people of this field Member under the inspiration of the present invention, without prejudice to the purpose of the present invention and the claims, can make multiple similar tables Show, such transformation each falls within protection scope of the present invention.

Claims (10)

1. a kind of new coating nozzle, it is characterised in that: including pedestal (1), coating material passage is equipped in the pedestal (1) and atomization is logical Road, the import of the coating material passage and nebulization channel are located at the same side of the pedestal (1), and the nebulization channel straight line runs through The pedestal (1), the nebulization channel middle part are equipped with coating material passage interface, and the outlet of the coating material passage is logical by the coating Pipeline joint is connected to the nebulization channel, is additionally provided with spraying swath mouth for adjusting (2), the outlet of the nebulization channel on the pedestal (1) With the inlet communication of the spraying swath mouth for adjusting (2);
Spraying swath mouth for adjusting (2) the screw thread rotation is set to the exit of the nebulization channel, which is equipped with connection institute State the injection through-hole (f) of nebulization channel;
The coating material passage includes upstream canal (a), middle reaches runner (c) and the downstream canal (e) being sequentially communicated along flow direction, described It is equipped between upstream canal (a) and middle reaches runner (c) and blocks chamber (b), air pressure blocking part is equipped in the blocking chamber (b);
It is equipped with flow adjusting cavity between the middle reaches runner (c) and downstream canal (e), is equipped with rotation in the flow adjusting cavity and adjusts Valve.
2. a kind of new coating nozzle according to claim 1, it is characterised in that: the nebulization channel includes being sequentially connected Direct current hole (o), contracting discharge orifice (p) and orifice (q), the outlet of the direct current hole (o) connects the entrance of the contracting discharge orifice (p), The outlet of the contracting discharge orifice (p) connects the entrance of the orifice (q), and the direct current hole (o) and the aperture of orifice (q) are all larger than The aperture of the contracting discharge orifice (p), the aperture of the orifice (q) are greater than the aperture of the direct current hole (o);
Contracting stream extension (3), contracting curtain coating are equipped with around the contracting discharge orifice (p) in the hole bottom of orifice (q) arrival end The internal diameter for stretching pipe (3) is consistent with the internal diameter of the contracting discharge orifice (p), inner cavity and the contracting discharge orifice (p) of the contracting stream extension (3) Inner cavity is connected, and forms diffusion chamber between contracting stream extension (3) outer wall and the inner wall of the orifice (q), the chamber of the diffusion chamber Wall is equipped with the coating material passage interface, and the outlet of the coating material passage interface and the downstream canal (e) is connected.
3. a kind of new coating nozzle according to claim 1, it is characterised in that: the outlet end of the upstream canal (a) Positioned at the side wall for blocking chamber (b), the arrival end of the middle reaches runner (c) is located at the bottom for blocking chamber (b);
It is equipped with hollow abutting platform (4) around the arrival end of the middle reaches runner (c) in the blocking bottom chamber (b), this is hollow to support The inner cavity of consecutive (4) is connected to the blocking chamber (b) and middle reaches runner (c), the hollow outer wall and the blocking chamber for abutting platform (4) (b) feed channel is formed between side wall;
The air pressure blocking part is to block diaphragm (5), and the edge of the blocking diaphragm (5) is supported with the inner sidewall for blocking chamber (b) Tightly, the inner face for blocking diaphragm (5) is tight against the hollow abutting platform (4), and the blocking diaphragm (5) is by the hollow abutting platform (4) inner cavity and feed channel isolation.
4. a kind of new coating nozzle according to claim 1, it is characterised in that: the flow adjusting cavity is in blind hole shape, Middle reaches runner interface and downstream canal interface are respectively equipped in its bottom hole and side wall, the outlet of the middle reaches runner (c) passes through institute It states middle reaches runner interface to be connected to the flow adjusting cavity, the entrance of the downstream canal (e) passes through the downstream canal interface It is connected to the flow adjusting cavity;
The rotation regulating valve includes columned valve seat (6), which falls in the flow adjusting cavity, the valve seat (6) it is overlapped with the axial line of the flow adjusting cavity, the outer wall of the valve seat (6) is close to the flow and adjusts cavity wall, the valve Through there is adjusting runner (d) on seat (6), the import for adjusting runner (d) is docked with middle reaches runner (c) interface, described The outlet for adjusting runner (d) is docked with downstream canal (c) interface, and the valve seat (6) is along the flow adjusting cavity axial line Rotation.
5. a kind of new coating nozzle according to claim 2, it is characterised in that: the direct current hole (o) and contracting discharge orifice (p) Between connected by First Transition hole (x), the First Transition hole (x) is in a circular table shape, and big opening end is connected to the direct current hole (o), osculum end is connected to the contracting discharge orifice (p);
The aperture of First Transition hole (x) big opening end is equal to the aperture of the direct current hole (o), and the First Transition hole (x) is small The aperture at mouth end is equal to the aperture of the contracting discharge orifice (p);
Contracting stream extension (3) forms the second transitional pore (y) far from the inner wall chamfering of described contracting discharge orifice (p) one end, this second Transitional pore (y) is in a circular table shape, and osculum end is connected to the contracting discharge orifice (p), and big opening end flows extension (3) to the contracting is opened in On pipe end end face.
6. a kind of new coating nozzle according to shown in claim 3, it is characterised in that: the blocking chamber (b) is stepped hole, Including the fluid bore close to the middle reaches runner (c) and the membranes pores far from the middle reaches runner (c), the middle reaches runner (c) it is mutually perpendicular to upstream canal (a), the middle reaches runner (c) is overlapped with the hole core wire of the fluid bore, the membranes pores Aperture is greater than the aperture of the fluid bore, and the outlet of the hole wall of the fluid bore and the upstream canal (a) is connected, the fluid The entrance of the bottom hole in hole and the middle reaches runner (c) is connected, and the hollow abutting platform (4) is located in the fluid bore;
The hollow abutting platform (4) is cylindrical, and tube core line is overlapped with the hole core wire of the fluid bore, the hollow abutting platform (4) the cricoid feed channel is formed between outer wall and the side wall for blocking chamber (b);
The blocking diaphragm (5) is in pie, and the blocking diaphragm (5) is embedded in the membranes pores, blocking diaphragm (5) Inner wall of the edge tight against the membranes pores, inner surface and the hollow pipe end end face for abutting platform (4) for blocking diaphragm (5) It offsets.
7. a kind of new coating nozzle according to claim 4, it is characterised in that: the end face of valve seat (6) insertion end Upper to be coaxially equipped with the first seal boss (61), first seal boss (61) is cylindric, first seal boss (61) radius is less than the radius of valve seat (6), and the outer circumferential direction of first seal boss (61) is arranged with the first sealing ring (7), institute It states the first seal boss (61) while pushing against the bottom hole and side wall of the flow adjusting cavity, the adjusting runner (d) passes through first Seal boss (61) is connected to the middle reaches runner (c) afterwards;
The second seal boss (62) coaxially are equipped on the end face of valve seat (6) outer end, second seal boss (62) To be cylindric, the radius of second seal boss (62) is less than the radius of the valve seat (6), second seal boss (62) Outer circumferential direction is arranged with the second sealing ring (8), and second sealing ring (8) and the side wall of the flow adjusting cavity are adjacent to;
Second seal boss (62) goes back circumferential direction outside and is arranged with locking lid (9), which passes through with the pedestal (1) Be bolted, second sealing ring (8) be located at it is described locking lid (9) inner surface and the valve seat (6) outer end end face it Between;
Second seal boss (62) is extending axially outward form adjustable column (63), and the radius of the adjustable column (63) is less than institute The radius of the second seal boss (62) is stated, the locking lid (9) is sheathed on the adjustable column (63) outside, in the adjustable column (63) Outer end face is equipped with regulating tank (i).
8. a kind of new coating nozzle according to claim 6, it is characterised in that: blocking diaphragm (5) inner surface The corresponding hollow inner cavity for abutting platform (4), which is equipped with, blocks head (51), and the blocking head (51) is embedded in the hollow abutting platform (4) in inner cavity;
The edge for blocking diaphragm (5) extends outward to form tight loop, and deformation chamber, the bottom of the deformation chamber are formed in the tight loop Portion corresponds to the resistance to compression head (52) that blocking head (51) is additionally provided with outwardly convex, which is less than the blocking head (51)。
9. a kind of new coating nozzle according to claim 1, it is characterised in that: spraying swath mouth for adjusting (2) the screw thread rotation In the orifice (q).
10. a kind of new coating nozzle according to claim 2, it is characterised in that: the entrance of the coating material passage is set There is the first gasket bayonet, the radius of the first gasket bayonet is greater than the aperture of the coating material passage, first gasket Coating sealing ring (10) are equipped in bayonet;
The entrance of the nebulization channel is equipped with the first gasket bayonet, and the radius of the first gasket bayonet is greater than described straight Discharge orifice (o) radius is arranged with atomization sealing ring (11) in the first gasket bayonet.
CN201811645884.0A 2018-12-29 2018-12-29 Paint nozzle Active CN109513531B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811645884.0A CN109513531B (en) 2018-12-29 2018-12-29 Paint nozzle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811645884.0A CN109513531B (en) 2018-12-29 2018-12-29 Paint nozzle

Publications (2)

Publication Number Publication Date
CN109513531A true CN109513531A (en) 2019-03-26
CN109513531B CN109513531B (en) 2023-09-12

Family

ID=65797872

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811645884.0A Active CN109513531B (en) 2018-12-29 2018-12-29 Paint nozzle

Country Status (1)

Country Link
CN (1) CN109513531B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112317155A (en) * 2020-09-18 2021-02-05 国网河南省电力公司信阳供电公司 Telegraph pole number spraying device
CN113751290A (en) * 2020-06-03 2021-12-07 中国石油化工股份有限公司 Fat instrument is annotated to valve

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000107651A (en) * 1998-10-02 2000-04-18 Ikeuchi:Kk Two-fluid nozzle
WO2007055370A1 (en) * 2005-11-14 2007-05-18 Ham-Let Motoyama Japan Ltd. Fluid control unit, pressure control valve, and pressure control method
CN203170475U (en) * 2013-03-14 2013-09-04 昆山伟拓压铸机械有限公司 Adjustable flow atomizer
CN204338368U (en) * 2014-12-19 2015-05-20 苏州小鹰铸造装备有限公司 A kind of spray valve head unit
CN209631430U (en) * 2018-12-29 2019-11-15 重庆博奥镁铝金属制造有限公司 New coating nozzle

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000107651A (en) * 1998-10-02 2000-04-18 Ikeuchi:Kk Two-fluid nozzle
WO2007055370A1 (en) * 2005-11-14 2007-05-18 Ham-Let Motoyama Japan Ltd. Fluid control unit, pressure control valve, and pressure control method
CN203170475U (en) * 2013-03-14 2013-09-04 昆山伟拓压铸机械有限公司 Adjustable flow atomizer
CN204338368U (en) * 2014-12-19 2015-05-20 苏州小鹰铸造装备有限公司 A kind of spray valve head unit
CN209631430U (en) * 2018-12-29 2019-11-15 重庆博奥镁铝金属制造有限公司 New coating nozzle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113751290A (en) * 2020-06-03 2021-12-07 中国石油化工股份有限公司 Fat instrument is annotated to valve
CN112317155A (en) * 2020-09-18 2021-02-05 国网河南省电力公司信阳供电公司 Telegraph pole number spraying device

Also Published As

Publication number Publication date
CN109513531B (en) 2023-09-12

Similar Documents

Publication Publication Date Title
CN205949116U (en) Release agent stoste atomizing nozzle for spraying
CN201807473U (en) Novel gas spray nozzle without gas resistance
CN109692763A (en) A kind of novel adjustable paint spray nozzle
CN104057097B (en) Dual-ring supersonic atomizer
CN109513531A (en) A kind of new coating nozzle
TWI583463B (en) Sprayer for metal die-casting machine and nozzle device with the sprayer
CN202070435U (en) Air cooling double-swirl tangential external-mixing water atomizing nozzle
CN209631430U (en) New coating nozzle
CN106513692A (en) Atomizing nozzle and method for producing powder
CN107588434A (en) A kind of spray cooling structure and combustor test device
CN209997815U (en) Novel adjustable paint nozzle
CN108480652A (en) It is a kind of to prepare spherical metal powder high efficiency annular distance gas atomizing nozzle
CN208758580U (en) A kind of small flow block-resistant type square nozzle of continuous casting
CN209423916U (en) Mold sprays frame
CN209849150U (en) Multi-point separate control spraying system
TWM526927U (en) Sprayers suitable for metal die casting machine and nozzle device having the same
CN209647555U (en) Nozzle quickly blocks mechanism
CN209050087U (en) A kind of novel atomizing mechanism
CN201206937Y (en) Drying gun
CN209632091U (en) Nozzle strong atomizing mechanism
CN207471588U (en) A kind of spray cooling structure and combustor test device
CN216655001U (en) Energy-saving atomizing spray head
CN109395944A (en) A kind of multiple spot sub-control paint finishing
CN206694167U (en) The centrifuging temperature spray nozzle device of stable atomization quality
CN109590135A (en) A kind of mold spraying frame

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant