CN109513531A - A kind of new coating nozzle - Google Patents
A kind of new coating nozzle Download PDFInfo
- 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
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/02—Nozzles, 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/26—Nozzles, 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/26—Nozzles, 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
- B05B1/262—Nozzles, 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/30—Nozzles, 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
- B05B1/3026—Nozzles, 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
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.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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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 |
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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 |
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CN201811645884.0A Active CN109513531B (en) | 2018-12-29 | 2018-12-29 | Paint nozzle |
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CN (1) | CN109513531B (en) |
Cited By (2)
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)
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 |
-
2018
- 2018-12-29 CN CN201811645884.0A patent/CN109513531B/en active Active
Patent Citations (5)
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)
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
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CN109513531B (en) | 2023-09-12 |
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