CN209849150U - Multi-point separate control spraying system - Google Patents
Multi-point separate control spraying system Download PDFInfo
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- CN209849150U CN209849150U CN201822259374.1U CN201822259374U CN209849150U CN 209849150 U CN209849150 U CN 209849150U CN 201822259374 U CN201822259374 U CN 201822259374U CN 209849150 U CN209849150 U CN 209849150U
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Abstract
The utility model discloses a multipoint separate control spraying system, which comprises a manipulator, wherein a spraying material rack is arranged on the manipulator, at least two nozzles are arranged on the spraying material rack, each nozzle is provided with a coating channel and an atomizing channel, the outlet of the coating channel is connected into the atomizing channel, and an air pressure blocking piece is also arranged on the coating channel; the inlet of the coating channel is connected with a feeding part through a coating pipe, and a proportional valve is arranged on the coating pipe; the inlet of the atomization channel is connected with a high-pressure blowing part through a blowing pipe, and a blowing valve is arranged on the blowing pipe; the air pressure blocking piece is connected with a blocking piece control part. The utility model can stably spray the die coating, the flow is uniformly adjusted, and the spraying thickness of the surface of the die is uniform; the flow channel is not easy to block, and the flow channel and the flow regulating valve are convenient to clean; the atomization is uniform and rapid; the spraying direction and angle can be manually adjusted; the flow control mechanism has quick response and is opened and closed in time; the spraying and the blowing are integrated, the production cost is reduced, and the equipment is simplified.
Description
Technical Field
The utility model relates to a mould spraying, concretely relates to multiple spot divides accuse paint finishing.
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 inconsistent;
(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 a multiple spot divides accuse paint finishing.
The technical scheme is as follows:
the utility model provides a spraying system is controlled separately to multiple spot which the key lies in: the spraying device comprises a manipulator, wherein a spraying material rack is arranged on the manipulator, at least two nozzles are arranged on the spraying material rack, each nozzle is provided with a coating channel and an atomizing channel, an outlet of each coating channel is connected into the atomizing channel, and an air pressure blocking piece is further arranged on each coating channel; the inlet of the coating channel is connected with a feeding part through a coating pipe, and a proportional valve is arranged on the coating pipe; the inlet of the atomization channel is connected with a high-pressure blowing part through a blowing pipe, and a blowing valve is arranged on the blowing pipe; the air pressure blocking piece is connected with a blocking piece control part.
The effect of this scheme is: when the spraying of the mold is carried out, the manipulator is used for adjusting the spraying position of the mold, and the manipulator is used for moving away the spraying material rack after the spraying is finished; the coating channel and the atomizing channel are integrated by the nozzle, so that the production cost can be reduced, and the production equipment can be simplified; the proportional valve is used for controlling the feeding of the coating, and the air blowing valve and the blocking piece control part are respectively used for controlling the corresponding high-pressure air and blocking air.
Preferably, the feeding part comprises a storage bin and a feeding pump, and the feeding pump pumps the coating in the storage bin into the coating pipe upstream of the proportional valve; the high-pressure air blowing part comprises an air pump and a high-pressure tank, wherein an air outlet pipeline of the air pump is connected to the high-pressure tank, and an air outlet of the high-pressure tank is communicated with the air blowing pipe at the upstream of the air blowing valve; the blocking piece control part is a two-position three-way valve, an air inlet of the blocking piece control part is communicated with the high-pressure tank through a pipeline, an air outlet of the blocking piece control part is connected to the air pressure blocking piece through an air control pipe, and an air outlet of the blocking piece control part is emptied.
As a preferred scheme, the spraying material frame comprises a spraying seat, the spraying seat is connected with a cantilever, one end of the cantilever is connected with the spraying seat, the end part of the other end of the cantilever is provided with a connecting disc, the connecting disc is provided with a screw hole, the connecting disc is connected with an extending end of the manipulator, and the spraying seat is provided with at least one spraying vertical face; the nozzle comprises a nozzle seat, the coating channel and the atomizing channel are arranged in the nozzle seat, inlets of the coating channel and the atomizing channel are arranged on an installation surface of the nozzle seat, the installation surface is attached to the spraying vertical surface, the nozzle seat is installed on the spraying vertical surface through bolts, the spraying vertical surface is provided with a cannula interface corresponding to the inlet of the coating channel and the inlet of the atomizing channel, and the tail end of the coating tube and the tail end of the air blowing tube are respectively butted with the corresponding cannula interfaces; the coating spraying device is characterized in that a first sealing cavity is further formed in the mounting surface corresponding to the inlet of the atomizing channel, a first sealing ring is arranged in the first sealing cavity, a second sealing cavity is arranged on the mounting surface corresponding to the inlet of the coating channel, a second sealing ring is arranged in the second sealing cavity, the first sealing ring and the second sealing ring are respectively attached to the spraying vertical face, and the first sealing ring and the second sealing ring respectively surround the corresponding cannula interfaces.
Preferably, the spraying seat comprises a cubic box body, two opposite vertical side surfaces of the box body form a spraying vertical surface, a transverse nozzle group and a vertical nozzle group are arranged on the same spraying vertical surface, the transverse nozzle group comprises a plurality of nozzles which are transversely arranged, the vertical nozzle group comprises a plurality of nozzles which are vertically arranged, and the transverse nozzle group and the vertical nozzle group are arranged in a cross shape.
The effect of above scheme is: the spraying vertical face is used for installing nozzles, and the transverse nozzle groups and the vertical nozzle groups which are arranged in a cross shape are arranged on the spraying vertical face, so that spraying can be performed in the transverse direction and the vertical direction when a mould is sprayed, and the spraying is more uniform and quicker; the two vertically arranged spraying vertical surfaces can respectively spray the moulds of the two parts, so that the production efficiency can be improved; the first sealing ring and the second sealing ring can protect the air tightness of the pipeline connection in the device.
Preferably, the atomizing channel linearly penetrates through the nozzle holder, the atomizing channel is horizontally arranged, the atomizing channel is perpendicular to the mounting surface and the spraying vertical surface, a coating channel interface is arranged in the middle of the atomizing channel, an outlet of the coating channel is communicated with the atomizing channel through the coating channel interface, the nozzle holder is further provided with a spray head, and an outlet of the atomizing channel is communicated with an inlet of the spray head. The effect of this scheme is: the atomizing channel and the coating channel are concentrated on the same nozzle seat, so that each nozzle integrates spraying and blowing, equipment can be simplified, and cost is saved.
Preferably, the coating channel includes an upstream flow channel, a midstream flow channel and a downstream flow channel which are sequentially communicated in a flow direction, the upstream flow channel is perpendicular to the midstream flow channel, the midstream flow channel is perpendicular to the downstream flow channel, a blocking cavity is arranged between the upstream flow channel and the midstream flow channel, the blocking cavity is internally provided with the air pressure blocking member, a flow regulating cavity is arranged between the midstream flow channel and the downstream flow channel, and a rotary regulating valve is arranged in the flow regulating cavity.
Preferably, the blocking cavity is opened on the mounting surface, the outlet end of the upstream flow channel is positioned on the side wall of the blocking cavity, the inlet end of the midstream flow passage is positioned at the bottom of the blocking cavity, a hollow butting platform is arranged at the bottom of the blocking cavity and surrounds the inlet end of the midstream flow passage, the inner cavity of the hollow butt joint platform is communicated with the blocking cavity and the midstream flow passage, a feed passage is formed between the outer wall of the hollow butt joint platform and the side wall of the blocking cavity, the air pressure blocking piece is a blocking diaphragm, the edge of the blocking diaphragm is tightly abutted against the inner side wall of the blocking cavity, the inner end face of the blocking diaphragm is tightly abutted against the hollow abutting table, the blocking diaphragm isolates the inner cavity of the hollow abutting table from the feed channel, an air pipe interface is arranged on the spraying vertical surface corresponding to the blocking diaphragm and is in butt joint with the tail end of the air control pipe;
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 diaphragm hole penetrates out of the mounting surface of the nozzle seat, the inlet of the atomizing channel is positioned between the inlet of the coating channel and the diaphragm hole, the midstream flow channel is superposed with the hole core line of the fluid hole, 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, 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, the hollow abutting table is in a circular tube shape, the tube core line of the hollow abutting table is superposed with the hole core line of the fluid hole, and an annular feeding channel is formed between the outer wall of the hollow abutting table and the side wall of the blocking cavity;
block the diaphragm and be the pie, block the diaphragm and inlay and locate the diaphragm is downthehole, the edge of blocking the diaphragm supports tightly the inner wall in diaphragm hole, block the diaphragm the internal surface with the pipe end terminal surface of hollow butt joint platform offsets tightly, block the inboard surface correspondence of diaphragm the inner chamber of hollow butt joint platform is equipped with the head of blocking, it inlays to establish to block the head in the inner chamber of hollow butt joint platform, the edge of blocking the diaphragm outwards extends and forms the tight circle, this tight circle with the spraying facade supports tightly, and the shape becomes the chamber in this tight circle, and the bottom in this shape becomes the chamber corresponds the head of blocking still is equipped with outside bellied anti-pressure head.
The effect of above scheme is: the air pressure blocking piece can rapidly block the coating under the action of air pressure, so that coating waste and environmental pollution can be prevented; the cake-shaped blocking diaphragm can be rapidly changed and restored under the action of air pressure, so that the blocking effect can be effectively ensured; the hollow butt joint platform can guarantee to block that can evenly be full of coating in the chamber, when opening under the atmospheric pressure and block the diaphragm, the inhomogeneous condition of coating spraying can not appear.
As a preferred scheme, the flow regulating cavity is blind, a midstream flow passage interface and a downstream flow passage interface are respectively arranged on the bottom and the side wall of the flow regulating cavity, an outlet of the midstream flow passage is communicated with the flow regulating cavity through the midstream flow passage interface, and an inlet of the downstream flow passage is communicated with the flow regulating cavity through the downstream flow passage interface;
the rotary regulating valve comprises a cylindrical valve seat, the valve seat is arranged in the flow regulating cavity, the valve seat is superposed 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, a regulating flow channel penetrates through the valve seat, the inlet of the regulating flow channel is in butt joint with the connector of the midstream flow channel, the outlet of the regulating flow channel is in butt joint with the connector of the downstream flow channel, and the valve seat rotates along the axial lead of the flow regulating cavity;
a first sealing boss is coaxially arranged on the end face of the insertion end of the valve seat, the first sealing boss is cylindrical, the radius of the first sealing boss is smaller than that of the valve seat, a third sealing ring is sleeved on the outer ring of the first sealing boss in the outward direction, the third sealing ring abuts against the hole bottom and the side wall of the flow regulating cavity at the same time, and the regulating flow channel penetrates through the first 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 and is cylindrical, the radius of the second sealing boss is smaller than that of the valve seat, a fourth sealing ring is sleeved on the outer ring of the second sealing boss, the fourth sealing ring is tightly attached to the side wall of the flow regulating cavity, a locking cover is also annularly sleeved outside the second sealing boss, the locking cover is connected with the nozzle seat through a bolt, the fourth sealing ring is positioned between the inner surface of the locking cover and the end surface of the outer end of the valve seat, the second sealing boss extends axially outwards to form an adjusting column, the radius of the adjusting column is smaller than that of the second sealing boss, the locking cover is sleeved outside the adjusting column, a cushion pad is further arranged between the locking cover and the nozzle seat, and an adjusting groove is formed in the outer end face of the adjusting column.
The effect of above scheme is: the flow of the coating entering the atomizing channel is adjusted by rotating the valve seat, so that the spraying device can adapt to different coating spraying amounts of different products; the valve seat with the assembled structure can be taken out and cleaned conveniently, and meanwhile, the flow passage is cleaned conveniently; the arrangement of the sealing boss and the sealing washer enables the valve seat to be tightly attached to the flow adjusting cavity, sealing performance is guaranteed, and a flow channel is not easy to block.
As a preferred scheme, the spray head comprises a rotary spray head and a telescopic spray head, the rotary spray head is rotatably arranged at an outlet of the atomization passage, the telescopic spray head is spirally arranged at the outlet of the atomization passage, the atomization passage is divided into a first atomization passage and a second atomization passage, the first atomization passage is arranged corresponding to the rotary spray head, and the second atomization passage is arranged corresponding to the telescopic spray head;
the first atomization channel comprises a first-stage hole, a second-stage hole and a third-stage hole which are sequentially communicated along the flow direction, the axial leads of the first-stage hole, the second-stage hole and the third-stage hole are overlapped, the inlet of the first-stage hole is close to the installation surface of the nozzle seat, the inlet of the first-stage hole is communicated with the first sealing cavity, the radius of the first sealing cavity is larger than that of the first-stage hole, the aperture of the second-stage hole and the aperture of the third-stage hole are gradually increased, the wall of the third-stage hole is provided with the coating channel interface, and the rotary spray;
the air pipe assembly is arranged in the secondary hole and comprises a connector and an air blowing hose, the connector is inserted into the inner wall of the secondary hole, the connector is provided with a hose jack with an opening facing the rotary nozzle, the hole bottom of the hose jack penetrates through a flow limiting channel, the secondary hole is communicated with the hose jack through the flow limiting channel, the air blowing hose is coaxially inserted into the hose jack, the air blowing hose extends into the rotary nozzle along the tertiary hole, and the aperture of the flow limiting channel is smaller than that of the primary hole and the diameter of the air blowing hose;
the connector comprises a fixing part and a limiting part, the diameter of the fixing part is smaller than that of the limiting part, the fixing part is screwed in the secondary hole, the limiting part is positioned in the tertiary hole, the hose jack is positioned in the limiting part, the flow limiting channel penetrates through the fixing part and then is communicated with the hose jack, and the outer wall of the limiting part is provided with an annular circulation groove corresponding to the coating channel interface; the rotary spray head comprises an installation seat, a ball head and an injection pipe, wherein the installation seat is spirally arranged in an outlet of the three-level hole, the outer end of the installation seat is fixedly connected with the ball head seat, a fifth sealing ring is further arranged between the ball head seat and the nozzle seat, a joint cavity is arranged on the ball head seat, the ball head is arranged in the joint cavity, the ball head is connected with an inlet end of the injection pipe, air pipe through holes penetrate through the installation seat, the ball head seat and the ball head and communicate the atomizing channel with the injection pipe, a coating diffusion channel is formed between the outer wall of the air blowing hose and the inner wall of the rotary spray head, and an outlet end of the air blowing hose is positioned in the injection pipe; the second atomization channel comprises a straight-flow hole, a contraction hole and an atomization hole which are sequentially connected, the inlet of the straight-flow hole is close to the mounting surface of the nozzle seat, the inlet of the straight-flow hole is communicated with the first sealing cavity, the radius of the first sealing cavity is larger than that of the straight-flow hole, the outlet of the straight-flow hole is connected with the inlet of the contraction hole, the outlet of the contraction hole is connected with the inlet of the atomization hole, the diameters of the straight-flow hole and the atomization hole are both larger than that of the contraction hole, the diameter of the atomization hole is larger than that of the straight-flow hole, and the telescopic sprayer is screwed in the atomization hole; a contracted flow extension pipe is arranged at the hole bottom of the inlet end of the atomization hole and surrounds the contracted flow hole, the inner diameter of the contracted flow extension pipe is consistent with that of the contracted flow hole, the inner cavity of the contracted flow extension pipe is communicated with that of the contracted flow hole, a diffusion cavity is formed between the outer wall of the contracted flow extension pipe and the inner wall of the atomization hole, and the wall of the diffusion cavity is provided with the coating channel interface; the straight-flow hole is connected with the flow reducing hole through a first transition hole, the first transition hole is in a circular truncated cone shape, a large opening end of the first transition hole is communicated with the straight-flow hole, a small opening end of the first transition hole is communicated with the flow reducing hole, the aperture of a large opening end of the first transition hole is equal to that of the straight-flow hole, the aperture of a small opening end of the first transition hole is equal to that of the flow reducing hole, an inner wall chamfer of one end, far away from the flow reducing hole, of the flow reducing extension pipe is chamfered to form a second transition hole, the second transition hole is in a circular truncated cone shape, a small opening end of the second transition hole is communicated with the flow reducing hole, and a large opening end; the horizontal nozzle group is internally provided with the telescopic sprayer and the rotary sprayer, and the vertical nozzle group is internally provided with the telescopic sprayer and the rotary sprayer.
The effect of this scheme is: the spray nozzle with the telescopic spray head can realize rapid and uniform atomization in the atomization hole, and sprays the mold main body, the spray nozzle with the rotary spray head is longer and can rotate, special-shaped structures such as mold corners can be sprayed, and each to-be-sprayed area of the mold can be sprayed with paint.
Preferably, the central axes of the straight-flow hole, the contraction hole, the atomization hole and the contraction flow extension pipe are coincident; the diameter ratio of the straight-flow hole to the contraction hole is 2-2.5: 1; the diameter ratio of the atomizing holes to the contraction holes is 4.3-4.8: 1; the diameter ratio of the axial length of the shrinkage hole to the axial length of the shrinkage hole is 1.8-2.2: 1; the axial length of the contraction flow extension pipe and the axial length of the contraction flow hole are 1: 1; the diameter ratio of the outer diameter of the contraction flow extension pipe to the atomizing holes is 2-2.4: 1. the effect of this scheme is: the spray nozzle with the telescopic spray head can better ensure the flow velocity and the atomization effect of the spraying fluid.
Has the advantages that: the multi-point separate control spraying system of the utility model can stably spray the coating, the flow is uniformly adjusted, and the spraying thickness of the surface of the mould is uniform; the flow channel is not easy to block, and the flow channel and the flow regulating valve are convenient to clean; the atomization is uniform and rapid; the spraying direction and angle can be manually adjusted; the flow control mechanism has quick response and is opened and closed in time; the spraying and the blowing are integrated, the production cost is reduced, and the equipment is simplified.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic perspective view of a spraying material rack i;
FIG. 3 is a schematic plan structure diagram of a spraying material rack i;
fig. 4 is a schematic perspective view of a nozzle 4 using a rotary head 51;
fig. 5 is a schematic perspective view of a nozzle 4 using a retractable nozzle 52;
FIG. 6 is a schematic plan view of the nozzle 4 using the rotary head 51;
fig. 7 is a plan view schematically showing the structure of the nozzle 4 using the retractable nozzle head 52;
FIG. 8 is a cross-sectional view of FIG. 6;
FIG. 9 is a cross-sectional view of FIG. 7;
fig. 10 is a schematic structural view of the mounting face of the nozzle 4;
fig. 11 is a schematic plan view of the valve seat 8;
fig. 12 is a schematic view of the structure of the blocking diaphragm 7;
fig. 13 is a cross-sectional view of fig. 12.
Detailed Description
The present invention will be further explained with reference to the following examples and drawings.
Example (b):
as shown in fig. 1 to 13, a multi-point sub-control spraying system comprises a manipulator u, wherein a spraying material rack i is arranged on the manipulator u, at least two nozzles 4 are arranged on the spraying material rack i, each nozzle 4 is provided with a coating channel and an atomization channel, an outlet of the coating channel is connected to the atomization channel, and an air pressure blocking piece is further arranged on the coating channel; the inlet of the coating channel is connected with a feeding part v through a coating pipe n1, and a proportional valve n3 is arranged on a coating pipe n 1; the inlet of the atomization channel is connected with a high-pressure blowing part w through a blowing pipe n2, and a blowing valve n4 is arranged on a blowing pipe n 2; the blocking member control portion n5 is connected to the air pressure blocking member.
The feed section v comprises a silo v1 and a feed pump v2, the feed pump v2 pumps the coating material in the silo v1 into a coating material pipe n1 upstream of a proportional valve n 3; the high-pressure air blowing part w comprises an air pump w1 and a high-pressure tank w2, wherein an air outlet pipeline of the air pump w1 is connected to the high-pressure tank w2, and an air outlet of the high-pressure tank w2 is communicated with an air blowing pipe n2 at the upstream of the air blowing valve n 4; the blocking piece control part n5 is a two-position three-way valve, the air inlet of the blocking piece control part is communicated with the high-pressure tank w2 through a pipeline, the air outlet of the blocking piece control part is connected to the air pressure blocking piece through a pneumatic control pipe n6, and the air outlet of the blocking piece control part is emptied.
The spraying material rack i comprises a spraying seat 1, the spraying seat 1 is connected with a cantilever 2, one end of the cantilever 2 is connected with the spraying seat 1, the end part of the other end of the cantilever is provided with a connecting disc 3, the connecting disc 3 is provided with a screw hole, the connecting disc 3 is connected with the extending end of a manipulator u, and the spraying seat 1 is provided with at least one spraying vertical face j; the nozzle 4 comprises a nozzle holder 41, a coating channel and an atomizing channel are arranged in the nozzle holder 41, inlets of the coating channel and the atomizing channel are arranged on an installation surface of the nozzle holder 41, the installation surface is attached to a spraying vertical surface j, the nozzle holder 41 is installed on the spraying vertical surface j through bolts, an inserting pipe interface is respectively arranged on the spraying vertical surface j corresponding to the inlet of the coating channel and the inlet of the atomizing channel, and the tail end of a coating pipe n1 and the tail end of an air blowing pipe n2 are respectively butted with the corresponding inserting pipe interfaces; the installation surface is also provided with a first sealing cavity corresponding to the inlet of the atomization channel, a first sealing ring m1 is arranged in the first sealing cavity, a second sealing cavity corresponding to the inlet of the coating channel is arranged on the installation surface, a second sealing ring m2 is arranged in the second sealing cavity, the first sealing ring m1 and the second sealing ring m2 are respectively attached to the spraying vertical face j, and the first sealing ring m1 and the second sealing ring m2 respectively surround the corresponding cannula interfaces.
In order to spray more rapidly and uniformly, the spraying seat 1 comprises a cubic box body, two opposite vertical side surfaces of the box body form a spraying vertical surface j, a transverse nozzle group and a vertical nozzle group are arranged on the same spraying vertical surface j, the transverse nozzle group consists of a plurality of nozzles 4 which are transversely arranged, the vertical nozzle group consists of a plurality of nozzles 4 which are vertically arranged, and the transverse nozzle group and the vertical nozzle group are arranged in a cross shape.
The atomizing channel linearly penetrates through the nozzle holder 41, the atomizing channel is horizontally arranged, the atomizing channel is perpendicular to the mounting surface and the spraying vertical surface j, a coating channel interface is arranged in the middle of the atomizing channel, an outlet of the coating channel is communicated with the atomizing channel through the coating channel interface, the nozzle holder 41 is further provided with a spray head 5, and an outlet of the atomizing channel is communicated with an inlet of the spray head 5.
The coating channel comprises an upstream flow channel a, a midstream flow channel c and a downstream flow channel e which are sequentially communicated in the flow direction, the upstream flow channel a is perpendicular to the midstream flow channel c, the midstream flow channel c is perpendicular to the downstream flow channel e, a blocking cavity b is arranged between the upstream flow channel a and the midstream flow channel c, an air pressure blocking piece is arranged in the blocking cavity b, a flow regulating cavity is arranged between the midstream flow channel c and the downstream flow channel e, and a rotary regulating valve is arranged in the flow regulating cavity.
The blocking cavity b is opened on the mounting surface, the outlet end of the upstream runner a is positioned on the side wall of the blocking cavity b, the inlet end of the midstream runner c is positioned at the bottom of the blocking cavity b, a hollow abutting table 6 is arranged at the bottom of the blocking cavity b around the inlet end of the midstream runner c, the inner cavity of the hollow abutting table 6 is communicated with the blocking cavity b and the midstream runner c, a feeding channel is formed between the outer wall of the hollow abutting table 6 and the side wall of the blocking cavity b, the air pressure blocking member is a blocking diaphragm 7, the edge of the blocking diaphragm 7 abuts against the inner side wall of the blocking cavity b, the inner end surface of the blocking diaphragm 7 abuts against the hollow abutting table 6, the blocking diaphragm 7 isolates the inner cavity of the hollow abutting table 6 from the feeding channel, an air pipe connector is arranged on the spraying vertical surface j corresponding to the blocking diaphragm 7, and the air pipe connector is abutted to; 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 diaphragm hole penetrates out of the mounting surface of the nozzle seat 41, the inlet of the atomizing channel is positioned between the inlet of the coating channel and the diaphragm hole, the midstream flow channel c is superposed with the hole core line of the fluid hole, 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 abutting table 6 is positioned in the fluid hole, the hollow abutting table 6 is in a round pipe shape, the pipe core line of the hollow abutting table is superposed with the hole core line of the fluid hole, and an annular feeding channel is formed between the outer wall of the hollow abutting; the blocking diaphragm 7 is in a cake shape, the blocking diaphragm 7 is embedded in the diaphragm hole, the edge of the blocking diaphragm 7 tightly abuts against the inner wall of the diaphragm hole, the inner surface of the blocking diaphragm 7 tightly abuts against the end face of the pipe end of the hollow abutting table 6, the blocking head 71 is arranged on the inner side surface of the blocking diaphragm 7 corresponding to the inner cavity of the hollow abutting table 6, the blocking head 71 is embedded in the inner cavity of the hollow abutting table 6, the edge of the blocking diaphragm 7 extends outwards to form a fastening ring, the fastening ring tightly abuts against the spraying vertical face j, a deformation cavity is formed in the fastening ring in a deforming mode, and the bottom of the deformation cavity is further provided with an outwards-protruding pressure-resisting head 72 corresponding to the blocking head 71.
The flow regulating cavity is in a blind hole shape, the bottom and the side wall of the hole are respectively provided with a midstream flow passage interface and a downstream flow passage interface, the outlet of the midstream flow passage c is communicated with the flow regulating cavity through the midstream flow passage interface, and the inlet of the downstream flow passage e is communicated with the flow regulating cavity through the downstream flow passage interface; the rotary regulating valve comprises a cylindrical valve seat 8, the valve seat 8 is arranged in the flow regulating cavity, the valve seat 8 is superposed with the axial lead of the flow regulating cavity, the outer wall of the valve seat 8 is tightly attached to the inner wall of the flow regulating cavity, a regulating flow channel d penetrates through the valve seat 8, the inlet of the regulating flow channel d is in butt joint with the connector of the midstream flow channel, the outlet of the regulating flow channel d is in butt joint with the connector of the downstream flow channel, and the valve seat 8 rotates along the axial lead of the flow regulating cavity; a first sealing boss 81 is coaxially arranged on the end face of the insertion end of the valve seat 8, the first sealing boss 81 is cylindrical, the radius of the first sealing boss 81 is smaller than that of the valve seat 8, a third sealing ring m3 is sleeved outside the first sealing boss 81 in the circumferential direction, the third sealing ring m3 abuts against the hole 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 penetrating through the first sealing boss 81; a second sealing boss 82 is coaxially arranged on the end face of the outer end of the valve seat 8, the second sealing boss 82 is cylindrical, the radius of the second sealing boss 82 is smaller than that of the valve seat 8, a fourth sealing ring m4 is sleeved outside the second sealing boss 82 in the circumferential direction, the fourth sealing ring m4 is attached to the side wall of the flow regulating cavity in a tight fit mode, a locking cover 9 is sleeved outside the second sealing boss 82 in the circumferential direction, the locking cover 9 is connected with the nozzle seat 41 through a bolt, the fourth sealing ring m4 is located between the inner surface of the locking cover 9 and the end face of the outer end of the valve seat 8, the second sealing boss 82 extends outwards in the axial direction to form a regulating column 83, the radius of the regulating column 83 is smaller than that of the second sealing boss 82, the locking cover 9 is sleeved outside the regulating column 83, a cushion k is further arranged between the locking cover 9 and the nozzle seat 41, and an adjusting groove f is arranged.
In specific implementation, the nozzle 5 includes two types, namely a rotating nozzle 51 and a telescopic nozzle 52, the rotating nozzle 51 is rotatably arranged at an outlet of the atomizing channel, the telescopic nozzle 52 is spirally arranged at the outlet of the atomizing channel, the atomizing channel is divided into a first atomizing channel and a second atomizing channel, wherein the first atomizing channel is arranged corresponding to the rotating nozzle 51, and the second atomizing channel is arranged corresponding to the telescopic nozzle 52; the first atomization channel comprises a first-stage hole x, a second-stage hole y and a third-stage hole z which are sequentially communicated along the flow direction, the axial leads of the first-stage hole x, the second-stage hole y and the third-stage hole z are overlapped, the inlet of the first-stage hole x is close to the installation surface of the nozzle seat 41, the inlet of the first-stage hole x is communicated with the first sealing cavity, the radius of the first sealing cavity is larger than that of the first-stage hole x, the aperture of the second-stage hole y and the aperture of the third-stage hole z are gradually increased, a coating channel interface is arranged on the hole wall of; a gas pipe assembly is arranged in the second-stage hole y and comprises a connector 11 and a blowing hose 12, the connector 11 is inserted into the inner wall of the second-stage hole y, the connector 11 is provided with a hose jack with an opening facing the rotary nozzle 51, the hole bottom of the hose jack penetrates through a flow limiting channel t, the second-stage hole y is communicated with the hose jack through the flow limiting channel t, the blowing hose 12 is coaxially inserted into the hose jack, the blowing hose 12 extends into the rotary nozzle 51 along the third-stage hole z, and the aperture of the flow limiting channel t is smaller than the aperture of the first-stage hole x and the diameter of the blowing hose 12; the connector 11 comprises a fixing part and a limiting part, the diameter of the fixing part is smaller than that of the limiting part, the fixing part is screwed in the second-level hole y, the limiting part is positioned in the third-level hole z, the hose jack is positioned in the limiting part, the flow limiting channel t penetrates through the fixing part and then is communicated with the hose jack, and the outer wall of the limiting part is provided with an annular circulation groove h corresponding to the coating channel interface; the rotary spray head 51 comprises an installation seat 511, a ball head seat 512, a ball head 513 and an injection pipe 514, wherein the installation seat 511 is spirally arranged in an outlet of the three-level hole z, the outer end of the installation seat 511 is fixedly connected with the ball head seat 512, a third sealing ring m3 is further arranged between the ball head seat 512 and the nozzle seat 41, a joint cavity g is arranged on the ball head seat 512, the ball head 513 is arranged in the joint cavity g, the ball head 513 is connected with an inlet end of the injection pipe 514, air pipe through holes penetrate through the installation seat 511, the ball head seat 512 and the ball head 513, the atomizing channel is communicated with the injection pipe 514 through the air pipe through holes, a coating diffusion channel is formed between the outer wall of the air blowing hose 12 and the inner wall of the rotary spray head 51, and the outlet; the second atomization channel comprises a straight-flow hole o, a flow reduction hole q and an atomization hole s which are sequentially connected, the inlet of the straight-flow hole is close to the installation surface of the nozzle seat 41, the inlet of the straight-flow hole o is communicated with the first sealing cavity, the radius of the first sealing cavity is larger than that of the straight-flow hole o, the outlet of the straight-flow hole o is connected with the inlet of the flow reduction hole q, the outlet of the flow reduction hole q is connected with the inlet of the atomization hole s, the aperture of the straight-flow hole o and the aperture of the atomization hole s are both larger than that of the flow reduction hole q, the aperture of the atomization hole s is larger than that of the straight-flow hole o, and the telescopic spray head 52; a contracted flow extension pipe 10 is arranged at the hole bottom of the inlet end of the atomization hole s around the contracted flow hole q, the inner diameter of the contracted flow extension pipe 10 is consistent with that of the contracted flow hole q, the inner cavity of the contracted flow extension pipe 10 is communicated with that of the contracted flow hole q, a diffusion cavity is formed between the outer wall of the contracted flow extension pipe 10 and the inner wall of the atomization hole s, and a coating channel interface is arranged on the cavity wall of the diffusion cavity; the straight-flow hole o is connected with the contracted-flow hole q through a first transition hole p, the first transition hole p is in a circular truncated cone shape, the large opening end of the first transition hole p is communicated with the straight-flow hole o, the small opening end of the first transition hole p is communicated with the contracted-flow hole q, the aperture of the large opening end of the first transition hole p is equal to that of the straight-flow hole o, the aperture of the small opening end of the first transition hole p is equal to that of the contracted-flow hole q, the inner wall of one end, far away from the contracted-flow hole q, of the contracted-flow extension pipe 10 is chamfered to form a second transition hole r, the second transition hole r is in a circular truncated cone shape, the small opening end of the second transition; the horizontal nozzle group is internally provided with a telescopic spray head 52 and a rotary spray head 51, and the vertical nozzle group is internally provided with a telescopic spray head 52 and a rotary spray head 51.
When the nozzle with the telescopic nozzle 52 is implemented, the central axes of the straight-flow hole o, the contracted flow hole q, the atomization hole s and the contracted flow extension pipe 10 are strictly ensured to be coincident, and the diameters and the lengths of the straight-flow hole o, the contracted flow hole q, the atomization hole s and the contracted flow extension pipe 10 have two implementation modes:
one embodiment is as follows: the diameter ratio of the straight flow hole o to the contraction flow hole q is 2: 1. the diameter ratio of the atomizing holes s to the flow shrinkage holes q is 4.3: 1. the ratio of the axial length of the constriction orifice q to the diameter thereof is 1.8: 1. the axial length of the contraction flow extension pipe 10 and the axial length of the contraction flow hole q are 1: 1. the diameter ratio of the outer diameter of the contraction flow extension pipe 10 to the atomizing hole s is 2: 1.
the other implementation mode is as follows: the diameter ratio of the straight flow hole o to the contraction flow hole q is 2.5: 1. the diameter ratio of the atomizing holes s to the flow shrinkage holes q is 4.8: 1. the ratio of the axial length of the constriction orifice q to the diameter thereof is 2.2: 1. the axial length of the contraction flow extension pipe 10 and the axial length of the contraction flow hole q are 1: 1. the diameter ratio of the outer diameter of the contraction flow extension pipe 10 to the atomizing hole s is 2-2.4: 1.
in the specific implementation, the volume of the whole nozzle holder 41 is also considered, so that the coating channel reasonably bypasses in the nozzle holder 41, and the positions of the blocking cavity b and the flow regulating cavity are reasonably distributed. Therefore, this scheme will block diaphragm 7, fifth sealing ring m5 and fourth sealing ring m4 all set up on nozzle holder 41's installation face, make the coating import, the atomizing gas import, block the gas import all in same direction, be convenient for install, simultaneously with the regulation post 83 on the disk seat 8 with shower nozzle 5 syntropy setting, so that the operator adjusts, because this scheme nozzle holder 41 integrated into one piece, in order perfectly to bypass the coating passageway, in the time of making, some fabrication holes need be seted up to nozzle holder 41, treat that coating reaches after making successfully, can seal the fabrication hole.
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 (10)
1. The utility model provides a multiple spot divides accuse paint finishing which characterized in that: the automatic spraying device comprises a manipulator (u), wherein a spraying material rack (i) is arranged on the manipulator (u), at least two nozzles (4) are arranged on the spraying material rack (i), the nozzles (4) are provided with a coating channel and an atomizing channel, the outlet of the coating channel is connected to the inside of the atomizing channel, and an air pressure blocking piece is further arranged on the coating channel;
the inlet of the coating channel is connected with a feeding part (v) through a coating pipe (n1), and a proportional valve (n3) is arranged on the coating pipe (n 1);
the inlet of the atomization channel is connected with a high-pressure blowing part (w) through a blowing pipe (n2), and a blowing valve (n4) is arranged on the blowing pipe (n 2);
the air pressure blocking member is connected with a blocking member control part (n 5).
2. The multiple spot separate control spray system of claim 1, wherein: the feed section (v) comprises a silo (v1) and a feed pump (v2), the feed pump (v2) pumps the coating material in the silo (v1) into the coating material pipe (n1) upstream of the proportional valve (n 3);
the high-pressure air blowing part (w) comprises an air pump (w1) and a high-pressure tank (w2), wherein an air outlet pipeline of the air pump (w1) is connected to the high-pressure tank (w2), and an air outlet of the high-pressure tank (w2) is communicated with the air blowing pipe (n2) at the upstream of the air blowing valve (n 4);
the blocking piece control part (n5) is a two-position three-way valve, the air inlet of the blocking piece control part is communicated with the high-pressure tank (w2) through a pipeline, the air outlet of the blocking piece control part is connected to the air pressure blocking piece through a pneumatic control pipe (n6), and the air outlet of the blocking piece control part is emptied.
3. The multiple spot separate control spray system of claim 2, wherein: the spraying material rack (i) comprises a spraying seat (1), the spraying seat (1) is connected with a cantilever (2), one end of the cantilever (2) is connected with the spraying seat (1), the end part of the other end of the cantilever is provided with a connecting disc (3), the connecting disc (3) is provided with a screw hole, the connecting disc (3) is connected with the extending end of the mechanical arm (u), and the spraying seat (1) is provided with at least one spraying vertical face (j);
the nozzle (4) comprises a nozzle seat (41), the coating channel and the atomization channel are arranged in the nozzle seat (41), inlets of the coating channel and the atomization channel are arranged on a mounting surface of the nozzle seat (41), the mounting surface is attached to the spraying vertical surface (j), the nozzle seat (41) is mounted on the spraying vertical surface (j) through bolts, cannula interfaces are respectively arranged on the spraying vertical surface (j) corresponding to the inlet of the coating channel and the inlet of the atomization channel, and the tail end of the coating tube (n1) and the tail end of the blowing tube (n2) are respectively in butt joint with the corresponding cannula interfaces;
the installation surface is provided with a first sealing cavity corresponding to the inlet of the atomizing channel, a first sealing ring (m1) is arranged in the first sealing cavity, the installation surface is provided with a second sealing cavity corresponding to the inlet of the coating channel, a second sealing ring (m2) is arranged in the second sealing cavity, the first sealing ring (m1) and the second sealing ring (m2) are respectively attached to the spraying vertical face (j), and the first sealing ring (m1) and the second sealing ring (m2) respectively surround the corresponding cannula interfaces.
4. The multiple spot separate control spray coating system of claim 3, wherein: the spraying seat (1) comprises a cubic box body, two opposite vertical side surfaces of the box body form a spraying vertical surface (j), a transverse nozzle group and a vertical nozzle group are arranged on the same spraying vertical surface (j), the transverse nozzle group consists of a plurality of nozzles (4) which are transversely arranged, the vertical nozzle group consists of a plurality of nozzles (4) which are vertically arranged, and the transverse nozzle group and the vertical nozzle group are arranged in a cross shape.
5. The multiple spot separate control spray coating system of claim 4, wherein: the atomizing channel straight line runs through nozzle holder (41), and this atomizing channel level sets up, this atomizing channel perpendicular to installation face and spraying facade (j), the atomizing channel middle part is equipped with coating channel interface, the export of coating channel passes through coating channel interface with the atomizing channel intercommunication, still be equipped with shower nozzle (5) on nozzle holder (41), the export of atomizing channel with the import intercommunication of shower nozzle (5).
6. The multiple spot separate control spray coating system of claim 5, wherein: the coating channel comprises an upstream flow channel (a), a midstream flow channel (c) and a downstream flow channel (e) which are sequentially communicated in the flow direction, the upstream flow channel (a) is perpendicular to the midstream flow channel (c), the midstream flow channel (c) is perpendicular to the downstream flow channel (e), a blocking cavity (b) is arranged between the upstream flow channel (a) and the midstream flow channel (c), the blocking cavity (b) is internally provided with the air pressure blocking piece, a flow regulating cavity is arranged between the midstream flow channel (c) and the downstream flow channel (e), and a rotation regulating valve is arranged in the flow regulating cavity.
7. The multiple spot separate control spray coating system of claim 6, wherein: the blocking cavity (b) is opened on the mounting surface, the outlet end of the upstream runner (a) is positioned on the side wall of the blocking cavity (b), the inlet end of the midstream runner (c) is positioned at the bottom of the blocking cavity (b), a hollow abutting table (6) is arranged at the bottom of the blocking cavity (b) and surrounds the inlet end of the midstream runner (c), the inner cavity of the hollow abutting table (6) is communicated with the blocking cavity (b) and the midstream runner (c), a feeding channel is formed between the outer wall of the hollow abutting table (6) and the side wall of the blocking cavity (b), the air pressure blocking piece is a blocking diaphragm (7), the edge of the blocking diaphragm (7) abuts against the inner side wall of the blocking cavity (b), the inner end surface of the blocking diaphragm (7) abuts against the hollow abutting table (6), and the blocking diaphragm (7) isolates the inner cavity of the hollow abutting table (6) from the feeding channel, an air pipe interface is arranged on the spraying vertical surface (j) corresponding to the blocking diaphragm (7), and the air pipe interface is butted with the tail end of the air control pipe (n 6);
the blocking chamber (b) is a stepped bore including a fluid bore close to the midstream flow passage (c) and a diaphragm bore remote from the midstream flow passage (c), the diaphragm hole penetrates out of the mounting surface of the nozzle seat (41), the atomization channel inlet is positioned between the coating channel inlet and the diaphragm hole, the midstream flow passage (c) coincides with the hole core line of the fluid hole, 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 passage (a), the hole bottom of the fluid hole is communicated with the inlet of the midstream flow passage (c), the hollow butt joint platform (6) is positioned in the fluid hole, the hollow butt joint platform (6) is in a circular tube shape, the tube core line of the hollow butting table (6) is superposed with the hole core line of the fluid hole, and an annular feeding channel is formed between the outer wall of the hollow butting table and the side wall of the blocking cavity (b);
block diaphragm (7) and be the pie, block diaphragm (7) and inlay and locate the diaphragm is downthehole, the edge of blocking diaphragm (7) supports tightly the inner wall in diaphragm hole, block the internal surface of diaphragm (7) with the pipe end terminal surface of hollow butt-joint platform (6) offsets tightly, block diaphragm (7) inboard surface and correspond the inner chamber of hollow butt-joint platform (6) is equipped with blocking head (71), blocking head (71) inlays and establishes in the inner chamber of hollow butt-joint platform (6), the edge of blocking diaphragm (7) outwards extends and forms the tight loop, this tight loop with spraying facade (j) support tightly, the shape becomes the chamber in this tight loop, and the bottom in this shape becomes the chamber corresponds blocking head (71) still is equipped with outside bellied resistance to pressure head (72).
8. The multiple spot separate control spray coating system of claim 6, wherein: the flow regulating cavity is in a blind hole shape, the bottom and the side wall of the flow regulating cavity are respectively provided with a midstream flow passage interface and a downstream flow passage interface, the outlet of the midstream flow passage (c) is communicated with the flow regulating cavity through the midstream flow passage interface, and the inlet of the downstream flow passage (e) is communicated with the flow regulating cavity through the downstream flow passage interface;
the rotary regulating valve comprises a cylindrical valve seat (8), the valve seat (8) is arranged in the flow regulating cavity, the valve seat (8) is overlapped with the axial lead of the flow regulating cavity, the outer wall of the valve seat (8) is tightly attached to the inner wall of the flow regulating cavity, a regulating flow channel (d) penetrates through the valve seat (8), the inlet of the regulating flow channel (d) is in butt joint with the midstream flow channel interface, the outlet of the regulating flow channel (d) is in butt joint with the downstream flow channel interface, and the valve seat (8) rotates along the axial lead of the flow regulating cavity;
a first sealing boss (81) is coaxially arranged on the end face of the insertion end of the valve seat (8), the first sealing boss (81) is cylindrical, the radius of the first sealing boss (81) is smaller than that of the valve seat (8), a third sealing ring (m3) is sleeved on the outer ring of the first sealing boss (81) in the circumferential direction, the third sealing ring (m3) abuts against the bottom and the side wall of the flow regulating cavity at the same time, and the regulating flow channel (d) penetrates through the first sealing boss (81) and then is communicated with the midstream flow channel (c);
a second sealing boss (82) is coaxially arranged on the end face of the outer end of the valve seat (8), the second sealing boss (82) is cylindrical, the radius of the second sealing boss (82) is smaller than that of the valve seat (8), a fourth sealing ring (m4) is sleeved outside the second sealing boss (82) in the outer ring direction, the fourth sealing ring (m4) is tightly attached to the side wall of the flow adjusting cavity, a locking cover (9) is sleeved outside the second sealing boss (82) in the annular direction, the locking cover (9) is connected with the nozzle seat (41) through bolts, the fourth sealing ring (m4) is located between the inner surface of the locking cover (9) and the end face of the outer end of the valve seat (8), the second sealing boss (82) extends outwards in the axial direction to form an adjusting column (83), and the radius of the adjusting column (83) is smaller than that of the second sealing boss (82), the locking cover (9) is sleeved outside the adjusting column (83), a buffer pad (k) is further arranged between the locking cover (9) and the nozzle seat (41), and an adjusting groove (f) is formed in the outer end face of the adjusting column (83).
9. The multiple spot separate control spray coating system of claim 5, wherein: the spray head (5) comprises a rotary spray head (51) and a telescopic spray head (52), the rotary spray head (51) is rotatably arranged at an outlet of the atomization passage, the telescopic spray head (52) is spirally arranged at the outlet of the atomization passage, the atomization passage is divided into a first atomization passage and a second atomization passage, the first atomization passage is arranged corresponding to the rotary spray head (51), and the second atomization passage is arranged corresponding to the telescopic spray head (52);
the first atomization channel comprises a first-level hole (x), a second-level hole (y) and a third-level hole (z) which are sequentially communicated along the flow direction, the axial leads of the first-level hole (x), the second-level hole (y) and the third-level hole (z) are overlapped, the inlet of the first-level hole (x) is close to the mounting surface of the nozzle seat (41), the inlet of the first-level hole (x) is communicated with the first sealing cavity, the radius of the first sealing cavity is larger than that of the first-level hole (x), the aperture of the second-level hole (y) and the aperture of the third-level hole (z) are gradually increased, the coating channel interface is arranged on the hole wall of the third-level hole (z), and the rotary nozzle (51) is arranged in the;
a gas pipe assembly is arranged in the second-stage hole (y), the gas pipe assembly comprises a connector (11) and an air blowing hose (12), the connector (11) is inserted into the inner wall of the second-stage hole (y), the connector (11) is provided with a hose jack with an opening facing the rotary nozzle (51), the bottom of the hose jack penetrates through a flow limiting channel (t), the second-stage hole (y) is communicated with the hose jack through the flow limiting channel (t), the air blowing hose (12) is coaxially inserted into the hose jack, the air blowing hose (12) extends into the rotary nozzle (51) along the third-stage hole (z), and the aperture of the flow limiting channel (t) is smaller than the aperture of the first-stage hole (x) and the pipe diameter of the air blowing hose (12);
the connector (11) comprises a fixing part and a limiting part, the diameter of the fixing part is smaller than that of the limiting part, the fixing part is screwed in the secondary hole (y), the limiting part is positioned in the tertiary hole (z), the hose jack is positioned in the limiting part, the flow limiting channel (t) penetrates through the fixing part and then is communicated with the hose jack, and the outer wall of the limiting part is provided with an annular circulation groove (h) corresponding to the coating channel interface;
the rotary spray head (51) comprises an installation seat (511), a ball seat (512), a ball head (513) and an injection pipe (514), wherein the installation seat (511) is spirally arranged in an outlet of the third-level hole (z), the outer end of the installation seat (511) is fixedly connected with the ball seat (512), a fifth sealing ring (m5) is further arranged between the ball seat (512) and the nozzle seat (41), a joint cavity (g) is arranged on the ball seat (512), the ball head (513) is arranged in the joint cavity (g), the ball head (513) is connected with an inlet end of the injection pipe (514), air pipe through holes penetrate through the installation seat (511), the ball seat (512) and the ball head (513), the air pipe through holes are used for communicating the atomization channel and the injection pipe (514), a coating diffusion channel is formed between the outer wall of the air blowing hose (12) and the inner wall of the rotary spray head (51), the outlet end of the blowing hose (12) is located inside the injection pipe (514);
the second atomization channel comprises a straight-flow hole (o), a contracted flow hole (q) and an atomization hole(s), wherein the straight-flow hole inlet is close to the installation surface of the nozzle seat (41), the inlet of the straight-flow hole (o) is communicated with the first sealing cavity, the radius of the first sealing cavity is larger than that of the straight-flow hole (o), the outlet of the straight-flow hole (o) is connected with the inlet of the contracted flow hole (q), the outlet of the contracted flow hole (q) is connected with the inlet of the atomization hole(s), the diameters of the straight-flow hole (o) and the atomization hole(s) are larger than that of the contracted flow hole (q), the diameter of the atomization hole(s) is larger than that of the straight-flow hole (o), and the telescopic sprayer (52) is screwed in the atomization hole(s);
a contracted flow extension pipe (10) is arranged at the hole bottom of the inlet end of the atomization hole(s) and surrounds the contracted flow hole (q), the inner diameter of the contracted flow extension pipe (10) is consistent with that of the contracted flow hole (q), the inner cavity of the contracted flow extension pipe (10) is communicated with the inner cavity of the contracted flow hole (q), a diffusion cavity is formed between the outer wall of the contracted flow extension pipe (10) and the inner wall of the atomization hole(s), and the wall of the diffusion cavity is provided with the coating channel interface;
the straight-flow hole (o) is connected with the flow reducing hole (q) through a first transition hole (p), the first transition hole (p) is in a circular truncated cone shape, a large opening end of the first transition hole is communicated with the straight-flow hole (o), a small opening end of the first transition hole is communicated with the flow reducing hole (q), the aperture of the large opening end of the first transition hole (p) is equal to that of the straight-flow hole (o), the aperture of the small opening end of the first transition hole (p) is equal to that of the flow reducing hole (q), a chamfer angle is formed on the inner wall of one end, far away from the flow reducing hole (q), of the flow reducing extension pipe (10) to form a second transition hole (r), the second transition hole (r) is in a circular truncated cone shape, the small opening end of the second transition hole is communicated with the flow reducing hole (q), and the large opening end is opened on;
the horizontal nozzle group is internally provided with the telescopic spray head (52) and the rotary spray head (51), and the vertical nozzle group is internally provided with the telescopic spray head (52) and the rotary spray head (51).
10. The multiple spot separate control spray coating system of claim 9, wherein: the central axes of the straight-flow hole (o), the flow contracting hole (q), the atomizing hole(s) and the flow contracting extension pipe (10) are superposed;
the diameter ratio of the direct current hole (o) to the flow shrinkage hole (q) is 2-2.5: 1;
the diameter ratio of the atomizing holes(s) to the flow contracting holes (q) is 4.3-4.8: 1;
the diameter ratio of the axial length of the shrinkage hole (q) to the axial length of the shrinkage hole (q) is 1.8-2.2: 1;
the axial length of the contraction flow extension pipe (10) and the axial length of the contraction flow hole (q) are 1: 1;
the diameter ratio of the outer diameter of the contraction flow extension pipe (10) to the atomizing holes(s) is 2-2.4: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822259374.1U CN209849150U (en) | 2018-12-29 | 2018-12-29 | Multi-point separate control spraying system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822259374.1U CN209849150U (en) | 2018-12-29 | 2018-12-29 | Multi-point separate control spraying system |
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| Publication Number | Publication Date |
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| CN209849150U true CN209849150U (en) | 2019-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822259374.1U Active CN209849150U (en) | 2018-12-29 | 2018-12-29 | Multi-point separate control spraying system |
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| CN (1) | CN209849150U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109395944A (en) * | 2018-12-29 | 2019-03-01 | 重庆博奥镁铝金属制造有限公司 | A kind of multiple spot sub-control paint finishing |
| CN114361497A (en) * | 2022-01-05 | 2022-04-15 | 徐州华清京昆能源有限公司 | Casting method for uniform and consistent thickness of solid oxide fuel cell |
-
2018
- 2018-12-29 CN CN201822259374.1U patent/CN209849150U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109395944A (en) * | 2018-12-29 | 2019-03-01 | 重庆博奥镁铝金属制造有限公司 | A kind of multiple spot sub-control paint finishing |
| CN109395944B (en) * | 2018-12-29 | 2023-09-12 | 重庆博奥镁铝金属制造有限公司 | Multi-point sub-control spraying system |
| CN114361497A (en) * | 2022-01-05 | 2022-04-15 | 徐州华清京昆能源有限公司 | Casting method for uniform and consistent thickness of solid oxide fuel cell |
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