CN209997815U

CN209997815U - Novel adjustable paint nozzle

Info

Publication number: CN209997815U
Application number: CN201822278008.0U
Authority: CN
Inventors: 傅建设; 陈佳; 朱卓然
Original assignee: CHONGQING BOAO MG-AL MANUFACTURING Co Ltd
Current assignee: CHONGQING BOAO MG-AL MANUFACTURING Co Ltd
Priority date: 2018-12-29
Filing date: 2018-12-29
Publication date: 2020-01-31
Anticipated expiration: 2028-12-29

Abstract

The utility model discloses a novel adjustable coating nozzle, which comprises a housin, be equipped with coating passageway and atomizing passageway in the casing, the import of coating passageway and atomizing passageway is located the same side of casing, atomizing passageway straight line runs through the casing, atomizing passageway middle part is equipped with coating channel interface, coating channel interface and atomizing passageway intercommunication are passed through in the export of coating passageway, still be equipped with on the casing and turn to the shower nozzle, atomizing passageway's export and the shower nozzle intercommunication that turns to are equipped with in the coating passageway and block chamber and flow control chamber, block and be equipped with atmospheric pressure in the chamber and block the piece, the flow control intracavity is equipped with the rotation governing valve.

Description

Novel adjustable paint nozzle

Technical Field

The utility model relates to a magnesium alloy nozzle, concretely relates to novel adjustable coating nozzle.

Background

The die casting process is to utilize high pressure to press metal liquid into a die cavity, and the metal liquid is cooled and solidified under the action of pressure to form a casting. The die casting process can manufacture metal parts with complex shapes, clear outlines, thin walls and deep cavities, and the utilization rate of materials is high. The spraying is an important link in the die-casting process, can effectively avoid welding of a die-casting piece and a die-casting die, reduces the friction resistance when the die-casting piece is ejected out, prevents the die from being stuck, and plays a role in cooling; and after spraying, the mold needs to be blown and dried.

Because the crystallization latent heat of the magnesium alloy is smaller than that of the aluminum alloy, the solidification time is faster, the mold temperature is more sensitive, the quality defects of product cracks, water marks, cold shut and the like can be caused when the temperature of each area of the thin-wall part mold is too high or too low, and according to statistics of researchers, the die-casting spraying time accounts for 25% -38% of the non-value-added time of the whole die-casting cycle period.

The existing magnesium alloy die-casting spraying equipment has the following problems:

(1) the flow is not uniformly regulated, so that the spraying thickness of the surface of the die is not ;

(2) the flow channel is easy to block and is not easy to clean;

(3) the atomization is not uniform, and the drop is easy to form;

(4) the spraying direction and the angle are fixed;

(5) the response delay of the flow control mechanism is high, and the opening and the closing are not timely;

(6) spraying and blowing are performed by two separate assemblies, which is more costly and more complex.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an novel adjustable paint nozzle.

The technical scheme is as follows:

novel adjustable paint spray nozzle, which is characterized in that the novel adjustable paint spray nozzle comprises a shell, wherein a paint channel and an atomization channel are arranged in the shell, the inlets of the paint channel and the atomization channel are positioned on the same side surface of the shell, the atomization channel linearly penetrates through the shell, the middle part of the atomization channel is provided with a paint channel interface, the outlet of the paint channel is communicated with the atomization channel through the paint channel interface, the shell is also provided with a steering spray head, and the outlet of the atomization channel is communicated with the steering spray head;

the coating channel is provided with a blocking cavity and a flow regulating cavity, the blocking cavity is provided with an air pressure blocking piece, and the flow regulating cavity is internally provided with a rotary regulating valve.

The scheme has the effects that the coating channel is used for conveying coating needed by spraying, the atomization channel is used for conveying air for atomizing the coating, inlets of the coating channel and the atomization channel are located on the same side, so that the installation of a nozzle and the position planning of a conveying pipeline are facilitated, the spraying direction and angle can be changed according to requirements due to the arrangement of a steering spray head, the arrangement of an air pressure blocking piece can realize quick opening and closing, the waste of spraying raw materials and the environmental pollution are avoided, the coating flow can be adjusted according to requirements by rotating the adjusting valve, the appropriate coating thickness is ensured, the rotating structure is not prone to blocking a flow channel, and the flow channel can be conveniently taken out and cleaned.

According to the preferable scheme, the steering nozzle comprises an installation seat, a ball head and an injection pipe, wherein the installation seat is spirally arranged in an outlet of the atomization channel, the outer end of the installation seat is fixedly connected with the ball seat, a joint cavity is arranged on the ball seat, the ball head is arranged in the joint cavity and connected with an inlet end of the injection pipe, an air pipe perforation penetrates through the installation seat, the ball seat and the ball head, and the atomization channel is communicated with the injection pipe through the air pipe perforation. The effect of this scheme is: the ball joint type connection is adopted, so that the spraying direction can be conveniently changed, and the air tightness of the spraying equipment is ensured.

Preferably, the coating channel includes an upstream flow channel, a midstream flow channel and a downstream flow channel, the upstream flow channel and the midstream flow channel are perpendicular to each other, the midstream flow channel and the downstream flow channel are perpendicular to each other, the blocking cavity is located between the upstream flow channel and the midstream flow channel, and the flow rate regulating cavity is located between the midstream flow channel and the downstream flow channel. The effect of this scheme is: the upstream runner is vertical to the midstream runner, and the midstream runner is vertical to the downstream runner, so that the coating can be transported conveniently during installation, the occupied space of the runners is saved as much as possible, and meanwhile, the blocking cavity is positioned in front of the flow regulating cavity, so that the coating retention of the flow regulating cavity can be effectively reduced, and the coating blockage is reduced.

Preferably, the blocking cavity is an open cavity, the opening of the blocking cavity and the inlet of the paint channel are located on the same side face of the shell, the inlet of the atomizing channel is located between the inlet of the paint channel and the opening of the blocking cavity, the outlet end of the upstream flow channel is located on the side wall of the blocking cavity, the inlet end of the midstream flow channel is located at the bottom of the blocking cavity, and the air pressure blocking piece blocks the opening of the blocking cavity.

Preferably, a hollow abutting table is arranged at the bottom of the blocking cavity and around the inlet end of the midstream flow channel, the inner cavity of the hollow abutting table is communicated with the blocking cavity and the midstream flow channel, a feed channel is formed between the outer wall of the hollow abutting table and the side wall of the blocking cavity, the air pressure blocking piece is a blocking diaphragm, the edge of the blocking diaphragm abuts against the inner side wall of the blocking cavity, the inner end face of the blocking diaphragm abuts against the hollow abutting table tightly, and the blocking diaphragm separates the inner cavity of the hollow abutting table from the feed channel.

Preferably, the blocking cavity is a stepped hole, and comprises a fluid hole close to the midstream flow channel and a diaphragm hole far away from the midstream flow channel, the diameter of the diaphragm hole is larger than that of the fluid hole, the hole wall of the fluid hole is communicated with the outlet of the upstream flow channel, the hole bottom of the fluid hole is communicated with the inlet of the midstream flow channel, the hollow abutting table is positioned in the fluid hole, and the fluid hole comprises the feed channel;

the hollow abutting table is in a circular tube shape, a tube core line of the hollow abutting table is overlapped with a hole core line of the fluid hole, an annular feeding channel is formed between the outer wall of the hollow abutting table and the side wall of the blocking cavity, the blocking diaphragm is in a cake shape and is embedded in the diaphragm hole, the edge of the blocking diaphragm tightly abuts against the inner wall of the diaphragm hole, the inner surface of the blocking diaphragm tightly abuts against the end face of the tube end of the hollow abutting table, a blocking head is arranged on the inner surface of the blocking diaphragm, corresponding to the inner cavity of the hollow abutting table, and the blocking head is embedded in the inner cavity of the hollow abutting table;

the edge of blocking the diaphragm outwards extends and forms the clamping ring, and the deformation chamber is formed to this clamping ring internal deformation, the bottom in deformation chamber corresponds the head that blocks still is equipped with outside bellied resistance to compression head, and this resistance to compression head volume is less than the head that blocks.

The scheme has the effects that the blocking diaphragm is arranged in the blocking cavity, when the blocking diaphragm is fed, the coating flows to the blocking diaphragm from the upstream runner, the blocking diaphragm is pushed outwards by feeding pressure and flows into the inner cavity of the hollow abutting table and then enters the midstream runner, when the blocking diaphragm needs to be closed, pressure (air pressure) is applied to the outer side of the blocking diaphragm and pushes the blocking diaphragm inwards, the inner end face of the blocking diaphragm tightly abuts against the hollow abutting table so as to block the runner, quick response and quick opening and closing are achieved, the smoothness of the runner is guaranteed by the arrangement of the hollow abutting table, rapid flow cutoff is facilitated, the coating is filled in the annular feeding channel, the coating can be rapidly squeezed into the inner cavity of the hollow abutting table when the flow is opened, the blocking head can better block the inner cavity of the hollow abutting table and prevent the inlet of the inner cavity of the hollow abutting table from being blocked, the sealing performance is guaranteed by the fastening ring, the deformation cavity formed in the inner shape of the blocking ring can enable the middle of the blocking diaphragm to be thinner than the edge, deformation of the blocking diaphragm can be deformed and used for sealing the runner can be blocked, the anti-pressure head can have fixed.

As a preferred scheme, the flow regulating cavity is blind-hole shaped, the outlet of the midstream flow passage is positioned at the hole bottom of the flow regulating cavity, the inlet of the downstream flow passage is positioned on the side wall of the flow regulating cavity, the rotary regulating valve comprises a cylindrical valve seat, a regulating flow passage penetrates through the valve seat, the valve seat falls in the flow regulating cavity, the valve seat coincides with the axial lead of the flow regulating cavity, the outer wall of the valve seat is tightly attached to the inner wall of the flow regulating cavity, the inlet of the regulating flow passage is in butt joint with the outlet of the midstream flow passage, the outlet of the regulating flow passage is in butt joint with the inlet of the downstream flow passage, and the valve seat rotates along the axial lead of the flow regulating cavity.

The effect of this scheme is: the inlet of the adjusting flow channel is arranged at the bottom of the adjusting cavity, the outlet of the adjusting flow channel is arranged on the side wall of the adjusting cavity, the outer wall of the valve seat is tightly attached to the inner wall of the adjusting cavity, the paint leakage can be effectively prevented, and the flow of the paint can be adjusted by rotating the valve seat to adjust the butt joint size of the outlet of the adjusting flow channel and the interface of the paint channel.

Preferably, an th sealing boss is coaxially arranged on the end face of the insertion end of the valve seat, the th sealing boss is cylindrical, the radius of the th sealing boss is smaller than that of the valve seat, a th sealing ring is sleeved on the th sealing boss in an outward annular manner, the th sealing boss abuts against the bottom and the side wall of the flow regulating cavity at the same time, and the regulating flow channel penetrates through the th sealing boss and then is communicated with the midstream flow channel;

a second sealing boss is coaxially arranged on the end face of the outer end of the valve seat, the second sealing boss is cylindrical, the radius of the second sealing boss is smaller than that of the valve seat, a second sealing ring is annularly sleeved outside the second sealing boss, and the second sealing ring is tightly attached to the side wall of the flow regulating cavity;

the sealed boss of second outward the hoop cover be equipped with the locking lid, this locking lid with the casing passes through bolted connection, the second sealing washer is located the internal surface of locking lid with between the outer end terminal surface of disk seat, the sealed boss axial of second outwards extends and forms the regulation post, the radius of adjusting the post is less than the radius of the sealed boss of second, the locking lid cover is located outside this regulation post be equipped with the adjustment tank on the outer terminal surface of regulation post, between locking lid and the second sealing washer still the cover is equipped with the blotter on the regulation post.

The technical scheme has the effects that the th sealing table and the second sealing table can enable the valve seat to be connected with the shell more tightly, the th sealing ring and the second sealing ring can effectively prevent paint leakage, the locking cover locks the valve seat in the adjusting cavity of the shell through the bolt, the valve seat and the adjusting cavity can be cleaned conveniently in a detachable installation mode, when the valve seat is used, the adjusting screw rod is clamped in the adjusting groove, the adjusting screw rod is rotated to rotate the valve seat, the size of a butt joint of an adjusting flow passage and a paint passage in the valve seat is changed to achieve flow adjustment of the paint, and the buffering cushion can prevent the adjusting valve seat from loosening and avoid paint leakage.

As a preferable scheme, the atomizing channel comprises -level holes, two-level holes and three-level holes which are sequentially communicated in the flow direction, the axial lines of the -level holes, the axial lines of the two-level holes and the axial lines of the three-level holes are overlapped, the aperture diameters of the -level holes, the aperture diameters of the two-level holes and the aperture diameters of the three-level holes are gradually increased, the wall of each three-level hole is provided with the coating channel interface, and the mounting seat is spirally arranged in the outlet of the three;

the downthehole trachea subassembly that is equipped with of second grade, this trachea subassembly include the connector and blow the hose, the connector is inserted and is located the inner wall in second grade hole, the connector is equipped with the opening orientation turn to the hose jack of shower nozzle, and the hole end of this hose jack is run through there is the contraction hole, the contraction hole will the second grade hole with the hose jack intercommunication, coaxial the inserting in the hose jack is equipped with blow the hose, blow the hose edge tertiary hole stretches into turn to in the shower nozzle, the aperture in contraction hole is less than level hole the aperture with blow the pipe diameter of hose, the outer wall of this blow the hose with form coating diffusion channel between the inner wall of shower nozzle, the exit end of this blow the hose is located the inside of jet stack.

As preferred scheme, the connector includes fixed part and spacing portion, the fixed part diameter is less than spacing portion diameter, the fixed part screw thread is established soon in the second grade hole, spacing position in the tertiary hole, the hose jack is located in spacing portion, the orifice that contracts runs through behind the fixed part with the hose jack intercommunication, spacing portion outer wall corresponds the coating import is equipped with annular circulation groove.

The coating material inlet of the hole wall of the third-level hole enters the coating material channel, air enters from the -level hole and then enters the air blowing hose after flowing through the second-level hole, the outlet end of the air blowing hose is positioned in the jet pipe, negative pressure can be formed around the outlet of the air blowing hose when the air is blown out of the air blowing hose, so that the coating material can be atomized at the outlet of the jet pipe, the mounting seat is spirally arranged in the third-level hole, the state of the ball head in the joint cavity is changed, the spraying direction and the angle of the coating material can be changed according to needs, the air flow rate in the air blowing hose can be increased through the contraction hole, the air flow rate in the air blowing hose is higher, the coating material atomization effect is better, and the circulation groove can promote the coating material to be uniformly filled in.

Has the advantages that: the utility model discloses a novel adjustable coating nozzle can carry out the coating spraying steadily, can not only the rapid switching, prevents that coating is extravagant, and the environmental protection can also adjust spraying angle and direction, effectively shortens the die-casting spraying time, and flow control is convenient moreover, the clearance is convenient, can effectively guarantee the spraying effect.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic plan view of the present invention;

FIG. 3 is a bottom view of FIG. 2;

FIG. 4 is a top view of FIG. 2;

FIG. 5 is a cross-sectional view of FIG. 2;

fig. 6 is a schematic structural view of the valve seat 5;

fig. 7 is a schematic view of the structure of the blocking diaphragm 4;

fig. 8 is a cross-sectional view of fig. 7.

Detailed Description

The present invention will be further described in with reference to the following examples and the accompanying drawings.

Example (b):

as shown in attached figures 1-8, novel adjustable paint nozzles are characterized by comprising a shell 1, wherein a paint channel and an atomization channel are arranged in the shell 1, inlets of the paint channel and the atomization channel are positioned on the same side surface of the shell 1, the atomization channel linearly penetrates through the shell 1, a paint channel interface is arranged in the middle of the atomization channel, an outlet of the paint channel is communicated with the atomization channel through the paint channel interface, a steering spray head 2 is further arranged on the shell 1, an outlet of the atomization channel is communicated with the steering spray head 2, a blocking cavity b and a flow adjusting cavity are arranged in the paint channel, an air pressure blocking piece is arranged in the blocking cavity b, and a rotation adjusting valve is arranged in the flow adjusting cavity.

During the specific implementation, turn to shower nozzle 2 and include mount pad 21, bulb seat 22, bulb 23 and injection pipe 24, wherein mount pad 21 spiral is located in atomizing passageway's the export, mount pad 21 outer end fixedly connected with bulb seat 22, be equipped with joint chamber g on the bulb seat 22, be equipped with bulb 23 in the joint chamber g, bulb 23 is connected with injection pipe 24's entry end, mount pad 21, it has the trachea perforation to run through between bulb seat 22 and the bulb 23, the trachea perforation is with atomizing passageway and injection pipe 24 intercommunication, and in order to guarantee holistic gas tightness, be equipped with bulb sealing washer m3 between bulb seat 22 and the casing 1.

In specific implementation, the coating channel comprises an upstream flow channel a, a midstream flow channel c and a downstream flow channel e, wherein the upstream flow channel a and the midstream flow channel c are mutually vertical, the midstream flow channel c and the downstream flow channel e are mutually vertical, the blocking cavity b is positioned between the upstream flow channel a and the midstream flow channel c, and the flow regulating cavity is positioned between the midstream flow channel c and the downstream flow channel e.

The blocking cavity b is an open cavity, the opening of the blocking cavity b and the inlet of the coating channel are positioned on the same side surface of the shell 1, the inlet of the atomizing channel is positioned between the inlet of the coating channel and the opening of the blocking cavity b, the outlet end of the upstream flow channel a is positioned on the side wall of the blocking cavity b, the inlet end of the midstream flow channel c is positioned at the bottom of the blocking cavity b, and the air pressure blocking piece blocks the opening of the blocking cavity b.

The bottom of the blocking cavity b is provided with a hollow abutting table 3 around the inlet end of the midstream flow passage c, the inner cavity of the hollow abutting table 3 is communicated with the blocking cavity b and the midstream flow passage c, a feed passage is formed between the outer wall of the hollow abutting table 3 and the side wall of the blocking cavity b, the air pressure blocking piece is used for blocking a diaphragm 4, the edge of the blocking diaphragm 4 abuts against the inner side wall of the blocking cavity b, the inner end face of the blocking diaphragm 4 abuts against the hollow abutting table 3 tightly, and the inner cavity of the hollow abutting table 3 is isolated from the feed passage by the blocking diaphragm 4.

The blocking cavity b is a stepped hole and comprises a fluid hole close to the midstream flow channel c and a diaphragm hole far away from the midstream flow channel c, the aperture of the diaphragm hole is larger than that of the fluid hole, the hole wall of the fluid hole is communicated with the outlet of the upstream flow channel a, the hole bottom of the fluid hole is communicated with the inlet of the midstream flow channel c, the hollow butting table 3 is positioned in the fluid hole, and the fluid hole comprises a feeding channel; the hollow abutting table 3 is in a circular tube shape, a tube core line of the hollow abutting table is overlapped with a hole core line of a fluid hole, an annular feeding channel is formed between the outer wall of the hollow abutting table 3 and the side wall of the blocking cavity b, the blocking diaphragm 4 is in a cake shape, the blocking diaphragm 4 is embedded in the diaphragm hole, the edge of the blocking diaphragm 4 is tightly abutted against the inner wall of the diaphragm hole, the inner surface of the blocking diaphragm 4 is abutted against the end face of the tube end of the hollow abutting table 3, a blocking head 41 is arranged on the inner surface of the blocking diaphragm 4 corresponding to the inner cavity of the hollow abutting table 3, and the blocking head 41 is embedded in the inner cavity of the hollow abutting table 3; the edge of the blocking diaphragm 4 extends outwards to form a fastening ring, a variable cavity is formed in the fastening ring, a pressure-resistant head 42 protruding outwards is further arranged at the bottom of the variable cavity corresponding to the blocking head 41, and the volume of the pressure-resistant head 42 is smaller than that of the blocking head 41.

The adjusting cavity is in a blind hole shape, the outlet of the midstream flow channel c is located at the bottom of the adjusting cavity, the inlet of the downstream flow channel e is located on the side wall of the adjusting cavity, the rotary adjusting valve comprises a cylindrical valve seat 5, the adjusting flow channel d penetrates through the valve seat 5, the valve seat 5 falls into the adjusting cavity, the valve seat 5 coincides with the axial lead of the adjusting cavity, the outer wall of the valve seat 5 is tightly attached to the inner wall of the adjusting cavity, the inlet of the adjusting flow channel d is in butt joint with the outlet of the midstream flow channel c, the outlet of the adjusting flow channel d is in butt joint with the inlet of the downstream flow channel e, and.

The end face of the insertion end of the valve seat 5 is coaxially provided with a -th sealing boss 51, the -th sealing boss 51 is cylindrical, the radius of the -th sealing boss 51 is smaller than that of the valve seat 5, the outer ring of the -th sealing boss 51 is sleeved with a -th sealing ring 1 in an outward direction, the -th sealing boss 51 abuts against the bottom and the side wall of the adjusting cavity at the same time, the adjusting flow channel d penetrates through the -th sealing boss 51 and then is communicated with the midstream flow channel 829c, the end face of the outer end of the valve seat 5 is coaxially provided with a second sealing boss 52, the second sealing boss 52 is cylindrical, the radius of the second sealing boss 52 is smaller than that of the valve seat 5, the outer ring of the second sealing boss 52 is sleeved with a second sealing ring m2 in an outward direction, the second sealing ring m2 abuts against the side wall of the adjusting cavity, a locking cover 6 is further annularly sleeved on the second sealing boss 52, the locking cover 6 is connected with the shell 1 through a bolt, the second sealing ring 2 is located between the inner surface of the locking cover 6 and the end face of the outer end face of the valve seat 5, the second sealing boss 52 extends outward in an axially to form a sleeved adjusting column 53, the adjusting boss 53, the.

In the specific implementation, the atomizing channel comprises -level holes x, two-level holes y and three-level holes z which are sequentially communicated in the flow direction, the axial leads of -level holes x, two-level holes y and three-level holes z coincide, the aperture of -level holes x, two-level holes y and three-level holes z is gradually increased, a coating channel interface is arranged on the hole wall of the three-level holes z, the mounting seat 21 is spirally arranged in an outlet of the three-level holes z, an air pipe assembly is arranged in the two-level holes y and comprises a connecting head 8 and an air blowing hose 9, the connecting head 8 is inserted into the inner wall of the two-level holes y, a hose inserting hole with an opening facing the steering nozzle 2 is formed in the connecting head 8, a shrinkage hole i penetrates through the hole bottom of the hose inserting hole and communicates the two-level holes y with the hose inserting hole, the air blowing hose 9 is coaxially inserted into the steering nozzle 2 along the three-level holes z, the aperture of the shrinkage hole i is smaller than the aperture of the -level holes x and the diameter of the air blowing hose 9, a coating diffusion channel is formed between the outer.

In order to make the coating distribute more evenly in tertiary hole, connector 8 includes fixed part and spacing portion, and the fixed part diameter is less than spacing portion diameter, and the fixed part screw thread is established in second grade hole y soon, and spacing portion is arranged in tertiary hole z, and the hose jack is arranged in spacing portion, and throat i runs through behind the fixed part with the hose jack intercommunication, and the outer wall of spacing portion corresponds the coating import and is equipped with annular circulation groove h.

In order to ensure the good air tightness of the whole nozzle and the air pressure of the coating channel and the atomizing channel, an -th sealing gasket bayonet is arranged at the inlet of the coating channel, the radius of the -th sealing gasket bayonet is larger than the aperture of the upstream flow channel a, a coating sealing ring m5 is arranged in the -th sealing gasket bayonet, a second sealing gasket bayonet is arranged at the inlet of the atomizing channel, the radius of the second sealing gasket bayonet is larger than the radius of the -level hole x, and an atomizing sealing ring m4 is clamped in the second sealing gasket bayonet.

In the specific implementation, the volume of the whole shell is also considered, the coating channel is enabled to reasonably bypass in the shell 1, and the positions of the blocking cavity b and the flow regulating cavity are reasonably distributed, so that the blocking diaphragm 4, the coating sealing ring m5 and the atomizing sealing ring m4 are all arranged on the same side surface of the shell 1, and the blocking diaphragm, the coating sealing ring m5 and the atomizing sealing ring m4 are used as the installation surface of a nozzle, so that the coating inlet, the atomizing air inlet and the blocking air inlet are all in the same directions, the installation is convenient, meanwhile, the regulating column 53 on the valve seat 5 and the steering spray head 2 are arranged in the same direction, so that an operator can conveniently regulate the coating channel, and as the shell 1 is molded, in order to perfectly bypass the coating channel, in the manufacturing process, process holes need to be formed in the shell 1, and after the coating is successfully.

Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and the scope of the present invention.

Claims

The novel adjustable paint nozzle is characterized by comprising a shell (1), wherein a paint channel and an atomization channel are arranged in the shell (1), inlets of the paint channel and the atomization channel are positioned on the same side surface of the shell (1), the atomization channel linearly penetrates through the shell (1), a paint channel interface is arranged in the middle of the atomization channel, an outlet of the paint channel is communicated with the atomization channel through the paint channel interface, a steering spray head (2) is further arranged on the shell (1), and an outlet of the atomization channel is communicated with the steering spray head (2);

the coating channel is provided with a blocking cavity (b) and a flow regulating cavity, the blocking cavity (b) is provided with an air pressure blocking piece, and the flow regulating cavity is internally provided with a rotary regulating valve.
2. The novel adjustable paint nozzle of claim 1, wherein: turn to shower nozzle (2) including mount pad (21), bulb seat (22), bulb (23) and injection pipe (24), wherein mount pad (21) spiral is located in atomizing channel's the outlet, mount pad (21) outer end fixedly connected with bulb seat (22) are equipped with joint chamber (g) on this bulb seat (22), are equipped with in this joint chamber (g) bulb (23), bulb (23) with the entry end of injection pipe (24) is connected, it has the trachea perforation to run through between mount pad (21), bulb seat (22) and bulb (23), and this trachea perforation will atomizing channel and injection pipe (24) intercommunication.
3. The novel adjustable paint nozzle of claim 1, wherein: the coating channel comprises an upstream flow channel (a), a midstream flow channel (c) and a downstream flow channel (e), wherein the upstream flow channel (a) and the midstream flow channel (c) are perpendicular to each other, the midstream flow channel (c) and the downstream flow channel (e) are perpendicular to each other, the blocking cavity (b) is located between the upstream flow channel (a) and the midstream flow channel (c), and the flow regulating cavity is located between the midstream flow channel (c) and the downstream flow channel (e).
4. The novel adjustable paint nozzle according to claim 3, wherein the blocking chamber (b) is an open chamber, the opening of the blocking chamber (b) and the inlet of the paint channel are located on the same side of the housing (1), the inlet of the atomizing channel is located between the inlet of the paint channel and the opening of the blocking chamber (b), the outlet end of the upstream flow channel (a) is located on the side wall of the blocking chamber (b), the inlet end of the midstream flow channel (c) is located at the bottom of the blocking chamber (b), and the air pressure blocking member blocks the opening of the blocking chamber (b).
5. The novel adjustable paint nozzle of claim 4, wherein: block chamber (b) bottom and center on the entry end of midstream runner (c) is equipped with hollow butt joint platform (3), the inner chamber intercommunication of this hollow butt joint platform (3) block chamber (b) and midstream runner (c), the outer wall of this hollow butt joint platform (3) with block and form the feed channel between the lateral wall of chamber (b), the piece is blocked for blocking diaphragm (4) to atmospheric pressure, should block the edge of diaphragm (4) with block the inside wall of chamber (b) and support tightly, the interior terminal surface that blocks diaphragm (4) supports tightly hollow butt joint platform (3), block diaphragm (4) and keep apart the inner chamber and the feed channel of this hollow butt joint platform (3).
6. The novel adjustable paint nozzle of claim 5, wherein: the blocking cavity (b) is a stepped hole and comprises a fluid hole close to the midstream flow channel (c) and a diaphragm hole far away from the midstream flow channel (c), the aperture of the diaphragm hole is larger than that of the fluid hole, the hole wall of the fluid hole is communicated with the outlet of the upstream flow channel (a), the hole bottom of the fluid hole is communicated with the inlet of the midstream flow channel (c), the hollow butt joint platform (3) is positioned in the fluid hole, and the fluid hole comprises the feed channel;

the hollow abutting table (3) is in a circular tube shape, a tube core line of the hollow abutting table coincides with a hole core line of the fluid hole, an annular feeding channel is formed between the outer wall of the hollow abutting table (3) and the side wall of the blocking cavity (b), the blocking diaphragm (4) is in a cake shape, the blocking diaphragm (4) is embedded in the diaphragm hole, the edge of the blocking diaphragm (4) tightly abuts against the inner wall of the diaphragm hole, the inner surface of the blocking diaphragm (4) tightly abuts against the end face of the tube end of the hollow abutting table (3), the inner surface of the blocking diaphragm (4) is provided with a blocking head (41) corresponding to the inner cavity of the hollow abutting table (3), and the blocking head (41) is embedded in the inner cavity of the hollow abutting table (3);

the edge of the blocking diaphragm (4) extends outwards to form a fastening ring, a deformation cavity is formed in the fastening ring, an outwards-protruding pressure resisting head (42) is further arranged at the bottom of the deformation cavity corresponding to the blocking head (41), and the volume of the pressure resisting head (42) is smaller than that of the blocking head (41).
7. The novel adjustable paint nozzle of claim 3, wherein: the flow control chamber is blind hole form, the export of midstream runner (c) is located the hole bottom in flow control chamber, and the import of downstream runner (e) is located the lateral wall in flow control chamber, it includes cylindric disk seat (5) to rotate the governing valve, has run through on this disk seat (5) and has adjusted runner (d), and this disk seat (5) fall on in the flow control chamber, disk seat (5) with the axial lead coincidence in flow control chamber, the outer wall of disk seat (5) is hugged closely flow control intracavity wall, the import of adjusting runner (d) with the export butt joint of midstream runner (c), the export of adjusting runner (d) with the import butt joint of downstream runner (e), disk seat (5) are followed flow control chamber axial lead rotates.
8. The novel adjustable paint nozzle as claimed in claim 7, wherein an -th sealing boss (51) is coaxially arranged on the end face of the insertion end of the valve seat (5), the -th sealing boss (51) is cylindrical, the radius of the -th sealing boss (51) is smaller than that of the valve seat (5), a -th sealing ring (m1) is sleeved outside the -th sealing boss (51) in the circumferential direction, the -th sealing boss (51) abuts against the bottom and the side wall of the flow regulating cavity at the same time, and the regulating flow channel (d) is communicated with the midstream flow channel (c) after passing through the -th sealing boss (51);

a second sealing boss (52) is coaxially arranged on the end face of the outer end of the valve seat (5), the second sealing boss (52) is cylindrical, the radius of the second sealing boss (52) is smaller than that of the valve seat (5), a second sealing ring (m2) is sleeved on the outer circumference of the second sealing boss (52), and the second sealing ring (m2) is tightly attached to the side wall of the flow regulating cavity;

the outer hoop cover that still goes of second sealed boss (52) is equipped with locking lid (6), this locking lid (6) with casing (1) passes through bolted connection, second sealing washer (m2) are located the internal surface of locking lid (6) with between the outer end terminal surface of disk seat (5), the outside extension of second sealed boss (52) axial forms regulation post (53), the radius of adjusting post (53) is less than the radius of second sealed boss (52), outside this regulation post (53) was located in locking lid (6) cover be equipped with on the outer terminal surface of regulation post (53) and adjust groove (t), between locking lid (6) and second sealing washer (m2) still the cover is equipped with blotter (7) on adjusting post (53).
9. The novel adjustable paint nozzle as claimed in claim 2, wherein the atomizing channel comprises -stage holes (x), two-stage holes (y) and three-stage holes (z) which are sequentially communicated in the flow direction, the axis lines of the -stage holes (x), the two-stage holes (y) and the three-stage holes (z) are coincident, the aperture diameters of the -stage holes (x), the two-stage holes (y) and the three-stage holes (z) are gradually increased, the wall of the three-stage hole (z) is provided with the paint channel interface, and the mounting seat (21) is spirally arranged in the outlet of the three-stage hole (z);

be equipped with the trachea subassembly in second grade hole (y), this trachea subassembly includes connector (8) and blowing hose (9), connector (8) are inserted and are located the inner wall of second grade hole (y), connector (8) are equipped with the opening orientation turn to the hose jack of shower nozzle (2), and the hole bottom of this hose jack is run through there is shrinkage orifice (i), shrinkage orifice (i) will second grade hole (y) with the hose jack intercommunication, coaxial the inserting is equipped with in the hose jack blowing hose (9), blowing hose (9) are followed tertiary hole (z) stretches into turn to in shower nozzle (2), the aperture of shrinkage orifice (i) is less than level hole (x) the aperture with the pipe diameter of blowing hose (9), the outer wall of this blowing hose (9) with form the coating diffusion passageway between the inner wall of shower nozzle (2), the exit end that should blow hose (9) is located the inside of injection pipe (24).
10. The novel adjustable paint nozzle of claim 9, wherein: connector (8) include fixed part and spacing portion, the fixed part diameter is less than spacing portion diameter, the fixed part screw thread is established soon in second grade hole (y), spacing position in tertiary hole (z), the hose jack is located spacing portion, shrinkage orifice (i) run through behind the fixed part with the hose jack intercommunication, spacing portion outer wall corresponds the coating import is equipped with annular circulation groove (h).