CN108339677B - Rotary cup spray gun - Google Patents
Rotary cup spray gun Download PDFInfo
- Publication number
- CN108339677B CN108339677B CN201810433162.2A CN201810433162A CN108339677B CN 108339677 B CN108339677 B CN 108339677B CN 201810433162 A CN201810433162 A CN 201810433162A CN 108339677 B CN108339677 B CN 108339677B
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- Prior art keywords
- air
- oil
- rotary cup
- cup
- gun body
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- 239000007921 spray Substances 0.000 title claims abstract description 55
- 239000003973 paint Substances 0.000 claims abstract description 39
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 21
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 238000007664 blowing Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 230000005611 electricity Effects 0.000 description 5
- 238000005507 spraying Methods 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
- B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
- B05B5/03—Discharge apparatus, e.g. electrostatic spray guns characterised by the use of gas, e.g. electrostatically assisted pneumatic spraying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/06—Gas or vapour producing the flow, e.g. from a compressible bulb or air pump
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/16—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling the spray area
- B05B12/32—Shielding elements, i.e. elements preventing overspray from reaching areas other than the object to be sprayed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
- B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
- B05B5/04—Discharge apparatus, e.g. electrostatic spray guns characterised by having rotary outlet or deflecting elements, i.e. spraying being also effected by centrifugal forces
- B05B5/0403—Discharge apparatus, e.g. electrostatic spray guns characterised by having rotary outlet or deflecting elements, i.e. spraying being also effected by centrifugal forces characterised by the rotating member
Landscapes
- Electrostatic Spraying Apparatus (AREA)
Abstract
The invention relates to a rotary cup spray gun which comprises a front gun body, a trigger, a handle and a rotary cup head, wherein the front end of the front gun body is provided with the rotary cup head, the rear end of the front gun body is provided with the trigger and the handle, the tail end of the handle is connected with an electric wire and an air pipe, an air opening valve is arranged on the air pipe, the upper end of the handle is provided with an air valve rod, an air valve hole is arranged on the air valve rod, the trigger can drive an air pushing rod and the air valve rod to move, an air passage is arranged between the air pushing rod and the air valve rod, a spring and a knob are arranged behind the air valve rod, the rotary cup head is in threaded connection with the front gun body through a rotary cup shell, a bearing and a turbine are arranged in the rotary cup shell, the turbine is positioned in the turbine air chamber, the air passage penetrates through the front gun body to reach the turbine air chamber of the rotary cup head, a central shaft is arranged in the front gun body, a power transmission assembly is arranged below the central shaft, a fixed disc is fixed at the front end of the front gun body of the spray gun, and an oil pipe is arranged at the lower end of the junction of the fixed disc and the front gun body. The rotary cup spray gun with the structure has good paint rebound prevention effect, is labor-saving in hand-hold and is convenient for workers to operate.
Description
Technical Field
The invention relates to the field of coating, in particular to spraying equipment, and specifically relates to a rotary cup spray gun.
Background
The rotary cup spraying saves paint and is widely applied to automatic spraying. The static cup rotating spray gun in the prior art is fixed, and is inconvenient to use, and the design is made into a handheld cup rotating spray gun. When in use, the paint of the rotary cup has large rebound, the operation of personnel is inconvenient, and the rebound prevention structure is additionally arranged. The handheld spray gun is used for intermittently spraying the paint, and a low-flow compressed air structure is additionally arranged, so that the rotary cup can run at a low speed when the paint is not sprayed. The hand-held spray gun is heavier than the common spray gun, and the labor-saving structure is additionally arranged, so that the operation of workers is convenient.
Disclosure of Invention
The invention aims to provide a rotary cup spray gun which is used for preventing paint from rebounding, is labor-saving in a handheld manner and is convenient to operate.
The technical scheme of the invention is as follows: the utility model provides a revolve cup spray gun, contains preceding rifle body, trigger, handle, revolves cup head, the front end of preceding rifle body is equipped with revolves cup head, and the rear end of preceding rifle body is equipped with trigger and handle, the end-to-end connection of handle has electric wire and trachea, be equipped with the valve that opens on the trachea, the handle upper end is equipped with the gas valve pole, it has the valve opening to open on the gas valve pole, the trigger can drive top gas pole and gas valve pole motion, is equipped with the air flue between top gas pole and the gas valve pole, is equipped with spring and knob behind the gas valve pole, revolve cup head through revolving cup shell and preceding rifle body threaded connection, revolve cup shell the inside is equipped with bearing and turbine, the turbine is located turbine air chamber, the air flue link up preceding rifle body and reaches the turbine air chamber of revolve cup head, preceding rifle body in be equipped with the axis, the axis below is equipped with power transmission subassembly, the front end of rifle body is fixed with the fixed disk on the handle, outer electric needle and conducting needle link to each other with the electric wire, the fixed disk is equipped with oil pipe with the lower extreme of preceding rifle body junction.
Further, the plurality of outer pins are provided on the fixed disk, and the outer pins are formed in a needle shape along the axial direction of the gun body or in a ring shape centering around the axial direction of the gun body.
Further, the power transmission assembly comprises a conductive needle, a resistor, a high-voltage pack and a conductive spring, wherein the high-voltage pack, the resistor and the conductive needle are sequentially connected in series, the conductive needle is in contact with an oil valve seat, the conductive spring is in contact with the resistor and the oil valve seat, the rotary cup head is electrified, and the oil valve seat is connected with the oil pipe.
Further, an air bearing is arranged outside the center shaft, a tiny gap is reserved between the air bearing and the center shaft, the air bearing is fixed by a bearing front cover and a bearing rear cover, two ends of the bearing front cover and the bearing rear cover are sealed by a sealing ring C and a sealing ring D, an air inlet and an air outlet are arranged on the air bearing, and small holes are reserved in the middle of the bearing front cover and the bearing rear cover.
Further, be equipped with the oil seal subassembly in the preceding rifle body, the oil seal subassembly include oil disk seat, glib talker and oil blanket, glib talker and glib talker seat cooperation sealing coating, the oil blanket is established in glib talker outside, prevents that the coating from leaking behind.
As one improvement, the oil pipe extends forwards to be connected with the rotary cup head.
Preferably, the oil filling pipe is connected with the external sealing oil supply device through an oil pipe joint.
Further, the external seal oil supply device comprises a flow regulating valve, an air-opening valve and a generator, wherein the flow regulating valve and the air-opening valve are positioned on an oil conveying pipe, the generator comprises a flow switch, a circuit board, an electromagnetic valve and a manual valve, the flow switch is connected with a control air pipe, the flow switch is connected with the electromagnetic valve through the circuit board, the circuit board controls the electromagnetic valve to be electrified, and the electromagnetic valve and the manual valve control the air-opening valve on the oil conveying pipe.
As one improvement, the rotary cup head comprises an inner rotary cup head and a spiral rotary cup head, the spiral rotary cup head is fixed on a central shaft of the rotary cup shell through a rotary cap, the spiral rotary cup head is radially opened, the inner rotary cup head is a bell mouth, a spiral groove is formed in the spiral rotary cup head, a rear cup seat is arranged behind the spiral rotary cup head, and the rear cup seat is provided with an inward inclination, and the cup cover is fixed with the rear cup seat in a pressing mode.
As one improvement, an inner oil filling pipe and an outer oil pipe are arranged in the shell of the rotary cup, the inner oil filling pipe is arranged on the central shaft, but is not contacted with the central shaft, one end of the inner oil filling pipe is screwed on the oil valve seat through threads, the other end of the inner oil filling pipe reaches the inner rotary cup head, the front end of the inner oil filling pipe is provided with an oil storage part, the bottom of the oil storage part is provided with an opening, one end of the outer oil pipe is connected with a tight hole sealing part of the oil valve seat, the other end of the outer oil pipe is suspended in the rear cup seat, and the outer oil pipe is fixed on the shell of the rotary cup through a screw.
As another improvement, a hook is arranged above the connection of the front gun body of the spray gun and the trigger handle, and the hook is connected with the hanging point of the spray gun through a spring rope. The spray gun can be hung on a spray table or a wall through the hook on the spray gun and the spring rope, and the operation strength of workers can be lightened due to the fact that the spray gun is heavy and the spring rope is added for hanging.
Compared with the prior art, the invention has the beneficial effects that:
1. low gas flow start: the spray gun structure has the advantages that the small hole is formed in the air valve rod, the total air valve is firstly opened under the condition that the trigger is not buckled, a small amount of air is introduced, the rotary cup runs at a low speed, frequent starting is avoided, the bearing is prevented from being damaged, the trigger is buckled, a large amount of air enters, and the rotary cup can reach a high rotating speed very fast.
2. Oiling inside and outside the rotary cup: the additional oil pipe is in threaded connection with the oil valve seat, the other end of the additional oil pipe is suspended in the rear cup seat and is in non-contact with the rotary cup head, so that paint is dripped into the rotary cup head, and the bottom of the rotary cup head is provided with a hole so that paint flows out along the inner wall of the rotary cup head; the inner oil filling pipe is screwed on the oil valve seat by screw threads, so that the paint is fed to the front part of the rotary cup head all the way through the inner hole of the inner oil filling pipe, and is dripped into the oil storage part, the inner oil filling pipe is in non-contact with the central shaft, the oil storage part is in front of the inner oil filling pipe, the paint is blocked, the bottom is perforated, and the paint flows out along the inner wall of the rotary cup head.
3. Spiral blowing of a cup rotating head: the turbine air chamber collects the exhaust gas discharged by the turbine, the exhaust gas is sent to an inner hole of a center shaft, the spiral cup head is screwed on the center shaft, the spiral cap fixes the spiral cup on the center shaft, middle air leakage is blocked, the outside of the spiral cup head is radially perforated, air is led to a spiral groove at the top of the spiral cup head from the center, the cup cover tightly fits to compress the spiral groove, so that the air flows in the spiral groove, the spiral groove enables the air to run in an accelerating way, the air and the spiral cup rotate together at a high speed, and the air is thrown out at a high speed to further atomize paint.
4. The rotary cup adopts an air suspension bearing: the air inlet is used for inflating the air bearing, a tiny gap is reserved between the air bearing and the central shaft, the air bearing is lubricated by air, a small hole is reserved in the middle of the air bearing for supplying air, the air is discharged from the air outlet hole, and the air suspension bearing ensures that the rotating speed of the rotary cup is higher; the magnetic ring is fixed on the shell of the rotary cup, the turbine is made of iron, and attractive force generated by the magnetic ring and the iron is used as pretightening force to prevent the shaft from moving.
5. Labor-saving structure: the spray gun body is provided with the hook, so that the spring rope can be tied, and the spring rope can be hung on a paint spraying table or a wall.
6. Preventing paint from bouncing: the fixing disc is fixed on the front gun body, the outer electric needles are fixed on the fixing disc and distributed around the rotary cup head, a certain distance is reserved between the outer electric needles and the rotary cup head, high-voltage electricity on the outer electric needles prevents paint from rebounding, the high-voltage electricity passes through the conductive needles to be divided into two paths, one path passes through the oil valve seat, the conductive spring, the rotary cup shell, the rotary cup head charges paint, the other path passes through the fixing disc to the outer electric needles, the circumferential outer electric needles discharge, the paint is prevented from rebounding to the gun body, the current is high, and the warning is performed; preventing paint from rebounding to human body and improving the operation environment.
Description of the drawings:
in order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic view of a rotary cup spray gun according to embodiment 1 of the present invention;
FIG. 2 is a schematic diagram of the structure of the rotary cup system of the rotary cup spray gun of the present invention;
FIG. 3 is a schematic illustration of the connection of the bell cup system of the present invention to the front gun body;
fig. 4 is a schematic structural view of a screw cap of a screw cup head of the screw cup system of the present invention:
FIG. 5 is a schematic view of the structure of the rear cup of the rotary cup system of the present invention;
FIG. 6 is a schematic view of the structure of the cap of the spin cup system of the present invention;
FIG. 7 is a schematic illustration of the structure of the internal fueling of the present invention;
FIG. 8 is a schematic view of the structure of the air suspension bearing of the present invention;
FIG. 9 is a schematic view of the structure of a rotary cup gun according to embodiment 2 of the present invention;
fig. 10 is a schematic diagram of the structure of a flow switch of a rotary cup spray gun according to embodiment 2 of the present invention.
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present invention with reference to specific examples.
Example 1
As shown in fig. 1-8, a rotary cup spray gun comprises a front gun body 15, a trigger 1, a handle 2 and a rotary cup system, wherein the rotary cup system is arranged at the front end of the front gun body 15, the trigger 1 and the handle 2 are arranged at the rear end of the front gun body, the trigger 1 can drive a top gas rod 10 and a needle 17 to move, the tail end of the handle 2 is connected with an electric wire 3 and an air pipe 5, an air valve opening 4 is arranged on the air pipe 5, an air valve rod 8 is arranged at the upper end of the handle 2, an air valve hole 9 is arranged on the air valve rod 8, an air passage 11 is arranged between the top gas rod 10 and the air valve rod 8, the air passage 11 penetrates through the front gun body 15 to reach the rotary cup system, a spring 7 and a knob 6 are arranged at the rear end of the front gun body 15, an oil pipe 29 is arranged at the lower end of the joint of the rotary cup system, and the oil pipe 29 is communicated with an oiling structure in the rotary cup system.
The rotary cup system is in threaded connection with the front gun body 15 through an outer cover 33, and comprises a rotary cup shell 19 and a rotary cup head 22, wherein a bearing 21, a magnetic ring 36, a turbine 20 and a turbine air chamber 31 are arranged in the rotary cup shell 19, a shaft sleeve 39 is arranged outside the bearing 21, an outer sealing ring A37 and an outer sealing ring B41 are arranged on the bearing 21, the magnetic ring 36 is fixed on the rotary cup shell 19, the turbine 20 is arranged in the turbine air chamber 31 and is fixed with a center shaft 42 through a lock nut 32, a blowing inlet 35 is formed in the turbine air chamber 31, an inner cover 34 is arranged outside the turbine air chamber, and the inner cover 34 is tightly pressed with the outer cover 33; the spiral cup head 47 is fixed on the center shaft 42 through the screw cap 45, holes are formed in the bottom and the outside of the spiral cup head 47, a spiral groove 46 is formed in the spiral cup head 47, a rear cup seat 43 is arranged behind the spiral cup head 47, an inward inclination is formed in the rear cup seat 43, and the cup cover 44 is pressed and fixed with the rear cup seat 43.
The turbine air chamber collects the exhaust gas discharged by the turbine, sends the exhaust gas to the inner hole of the center shaft, then sends the exhaust gas to the spiral cup head for blowing off the air of atomized paint, the magnetic ring is fixed on the shell of the spiral cup, the turbine is made of iron, the magnetic ring and the iron generate attractive force to be pretightening force, the shaft is prevented from being mixed, the cup cover is tightly matched with the spiral groove to press the spiral groove, the air flows in the spiral groove and rotates together with the spiral cup at a high speed, and the air is thrown out at a high speed for further atomized paint; the rotary cap fixes the rotary cup on the center shaft to block middle air leakage; the air is accelerated by the spiral groove, and the centrifugal force of high-speed rotation of the rotary cup is added to increase the air speed and atomize the air; the spiral cup head is fixed on the center shaft, the dropped paint is centrifugally thrown out in the cup at a high speed, the paint is atomized, the outer part of the spiral cup head is radially perforated, air is led to the spiral groove at the top of the spiral cup head from the center, and the air is centrifugally thrown out, so that the paint is atomized.
The outside of the center shaft 42 is provided with an air bearing 62, the air bearing 62 and the center shaft 42 are provided with a tiny gap, the air bearing 62 is fixed by a bearing front cover 61 and a bearing rear cover 66, two ends of the bearing front cover 61 and the bearing rear cover 66 are sealed by a sealing ring C60 and a sealing ring D64, the air bearing 62 is provided with an air inlet 63 and an air outlet 65, and small holes are arranged between the bearing front cover 61 and the bearing rear cover 66.
The bearing front cover is used for fixing the air bearing, and the middle of the bearing front cover is provided with a small hole for delivering air; the air bearing and the middle shaft have a tiny gap, are lubricated by air, and are provided with small holes in the middle for air delivery; the air inlet is used for supplying lubrication air to the air bearing through filtered compressed air; the sealing rings C and D are used for blocking outside dust; the exhaust hole is a lubricated air exhaust hole, the bearing rear cover is used for fixing the air bearing, and the middle is provided with a small hole for introducing compressed air.
The front end of the gun body 15 is fixed with a fixed disk 24, an outer electric needle 23 is arranged on the fixed disk, the outer electric needle 23 and a conductive needle 26 are connected with an electric wire, and a plurality of outer electric needles 23 are arranged on the fixed disk 24.
An oil sealing assembly and a power transmission assembly are arranged in the front gun body 15; the oil seal assembly comprises an oil valve seat 18, an oil needle 17 and an oil seal 16, wherein the oil needle 17 and the oil valve seat 18 are matched with sealing paint, and the oil seal 16 is arranged outside the oil needle 17 to prevent the paint from leaking out after the paint is filled; the power transmission assembly comprises a conductive needle 26, a resistor 27, a high-voltage pack 29 and a conductive spring 25, wherein the high-voltage pack 29, the resistor 27 and the conductive needle 26 are sequentially connected in series, the conductive needle 26 is in contact with the oil valve seat 18, and the conductive spring 25 is in contact with the resistor 27 and the oil valve seat 18 to enable the cup head 22 to be electrified.
The oiling structure comprises outer oiling and inner oiling, wherein the inner oiling is an inner oiling pipe 51 arranged in a rotary cup shell, the outer oiling is an external oil pipe 30 arranged outside the rotary cup shell, one end of the external oil pipe 30 is connected with a tight hole sealing part of an oil valve seat 18, the other end of the external oil pipe is suspended in the rear cup seat 43, the external oil pipe can be fixed on the rotary cup shell 19 through screws, the inner oiling pipe 51 reaches an inner rotary cup head 53 and is screwed on the oil valve seat 18 through screws, the inner oiling pipe is in non-contact with a center shaft 42, an oil storage part 54 is further arranged at the front end of the inner oiling pipe 51, an opening is formed in the bottom of the oil storage part 54, and an atomization air hole 52 is further formed in the rotary cup shell 19 outside the inner oiling pipe 51.
The oil storage part is positioned in front of the inner oil filling pipe, blocks paint, and is provided with an opening at the bottom so that the paint flows out along the inner wall of the rotary cup head; the atomizing air hole is arranged on the shell, and the blown compressed air atomizes paint thrown out by the rotary cup.
The upper part of the front gun body 15 of the spray gun, which is connected with the handle 2 of the trigger 1, is provided with a hook 14, and the hook 14 is connected with the hanging point 12 of the spray gun through a spring rope 13. The spray gun can be hung on a spray table or a wall through the hook on the spray gun and the spring rope, and the operation strength of workers can be lightened due to the fact that the spray gun is heavy and the spring rope is added for hanging.
The working principle of the rotary cup spray gun is as follows: the operator opens the air valve, and the air pipe is filled with air, and because the air valve rod in the handle is provided with a small hole, when the trigger is not buckled, a small amount of air reaches the rotary cup through the air passage in the gun body, so that the rotary cup runs at a low speed, and the rotary cup can rotate at a high speed by buckling the trigger and entering a large amount of air. Such a structure can avoid frequent starting and damage to the bearing. The trigger is firstly out of gas, the turbine runs at high speed, then the trigger is triggered, the oil needle retreats, the oil paint is discharged, and the oil paint enters the rotary cup head and is thrown out at high speed. The trigger is buckled, the high-pressure electricity is sent out by driving the flow switch to act, and the high-pressure electricity is divided into two paths through the conductive needle, and one path of the high-pressure electricity passes through the oil valve seat, the conductive spring, the cup shell, the cup head and the paint charging device; one path passes through the fixed disk to the outer electric needle, the circumferential electric needle discharges, the paint is prevented from rebounding to the gun body to cause high current and alarm. Preventing paint from rebounding to human body and improving the operation environment.
Example 2
As shown in figure 9, the rotary cup spray gun comprises a front gun body 15, a trigger 1, a handle 2 and a rotary cup head 22, wherein the front end of the front gun body 15 is provided with the rotary cup head 22, the rotary cup head 22 is in a horn mouth, an opening is arranged on the rotary cup head, the rear end of the front gun body 15 is provided with the trigger 1 and the handle 2, the tail end of the handle 2 is connected with an electric wire 3 and an air pipe 5, the air pipe 5 is provided with an air opening valve 4, the upper end of the handle 2 is provided with an air valve rod 8, the air valve rod 8 is provided with an air valve hole 9, the trigger 1 can drive a top air rod 10 and the air valve rod 8 to move, an air passage 11 is arranged between the top air rod 10 and the air valve rod 8, the rear of the air valve rod 8 is provided with a spring 7 and a knob 6, the rotary cup head 22 is in threaded connection with the front gun body 15 through a rotary cup shell 19, a bearing 21 and a turbine 20 are arranged in the rotary cup shell 19, the turbine 20 is positioned in a turbine air chamber, the air passage 11 penetrates through the front gun body 15 to reach the turbine air chamber of the rotary cup head 22, a central shaft is arranged in the front gun body 15, a power transmission component is arranged below the central shaft, the front end of the front gun body 15 of the spray gun is fixedly provided with a fixed disc 24, an outer electric needle 23 is arranged on the fixed disc, an oil pipe 70 is arranged at the lower end of the joint of the fixed disc 24 and the front gun body 15, and the oil pipe 70 extends forwards to be connected with the rotary cup head 22; the outer pins 23 are provided in plural on the fixed disk 24, and the outer pins 23 are formed in a needle shape along the axial direction of the gun body or in a ring shape centering around the axial direction of the gun body.
The power transmission assembly comprises a conductive needle 26, a resistor 27, a high-voltage pack 28 and a conductive spring 25, wherein the high-voltage pack 28, the resistor 27 and the conductive needle 26 are sequentially connected in series, the conductive needle 26 is in contact with the oil valve seat 18, the conductive spring 25 is in contact with the resistor 27 and the oil valve seat 18, the rotary cup head 22 is electrified, and the conductive needle 26 and the outer needle 23 are connected with an electric wire.
The oil filling pipe 70 is connected with an external seal oil supply device through an oil pipe joint 71; the external seal oil supply device comprises a flow regulating valve 71, an air opening valve 79 and a generator 73, wherein the flow regulating valve 71 and the air opening valve 79 are positioned on an oil conveying pipe 78, the generator 73 comprises a flow switch 74, a circuit board 75, an electromagnetic valve 77 and a manual valve 76, the flow switch 74 is connected with a control air pipe 81, the flow switch 74 is connected with the electromagnetic valve 77 through the circuit board 75, the circuit board 75 controls the electromagnetic valve 77 to be electrified, and the electromagnetic valve 77 and the manual valve 76 control the air opening valve 79 on the oil conveying pipe 78.
As shown in fig. 8, an air bearing 62 is arranged outside the center shaft 42, a tiny gap is reserved between the air bearing 62 and the center shaft 42, the air bearing 62 is fixed by a bearing front cover 61 and a bearing rear cover 66, two ends of the bearing front cover 61 and the bearing rear cover 66 are sealed by a sealing ring C60 and a sealing ring D64, an air inlet 63 and an air outlet 65 are arranged on the air bearing 62, and small holes are reserved between the bearing front cover 61 and the bearing rear cover 66.
As shown in fig. 10, an air inlet pipe 31 and an air outlet pipe 32 are arranged on a switch housing 30 of a flow switch 22, a moving part 38 is arranged above the air inlet pipe 31 of the switch housing 30, a magnetic ring 37 is arranged in a moving part hole, a static part 35 is positioned above the moving part 38, the static part 35 is fixed on the switch housing 30, a dry spring 36 is arranged in the static part 35, the dry spring 36 is connected with an outer lead 34, a switch spring 33 is arranged at the top end of the moving part 38 in the switch housing 30, and the air outlet 32 is positioned at the other side of the air inlet pipe 31.
The flow switch has the working principle that: compressed air enters to push the moving part to rise, the magnetic ring is arranged in the moving part and rises to a certain height, the reed switch is conducted under the action of the magnetic ring, and the outer lead is transmitted to the circuit board.
As shown in fig. 9, a hook 14 is arranged above the connection of the front gun body 15 of the spray gun and the handle 2 of the trigger 1, and the hook 14 is connected with the hanging point 12 of the spray gun through a spring rope 13. The spray gun can be hung on a spray table or a wall through the hook on the spray gun and the spring rope, and the operation strength of workers can be lightened due to the fact that the spray gun is heavy and the spring rope is added for hanging.
The working principle of the rotary cup spray gun is as follows: description of operation: the main air valve is opened first, the air valve rod is provided with an air valve hole, a small amount of air is introduced to enable the rotary cup to run at a low speed, an operator pulls the trigger to drive the top air rod to push the air valve rod open, the air quantity is large, and the rotary cup runs at a high speed. The large-capacity flow switch acts, a power transmission signal is sent to the circuit board, the circuit board works to send high-voltage power to the rotary cup head, the circuit board controls the electromagnetic valve to be opened, the air pipe is controlled to send air to the air-opening valve, the air-opening valve is opened, oil delivery pipe paint is sent to the rotary cup head, the flow control valve is used for controlling the manual knob of an operator to adjust the oil quantity.
When the gun is washed, the manual valve is manually opened when the paint pipe of the gun is washed, the air pipe is controlled to feed air, the oil way is opened through the air opening valve, the switching valve on the air pipe is not opened, and the spray gun is convenient to wash.
The foregoing has shown and described the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A rotary cup spray gun, characterized in that: the automatic rotary cup comprises a front gun body, a trigger, a handle and a rotary cup head, wherein the front end of the front gun body is provided with the rotary cup head, the rear end of the front gun body is provided with the trigger and the handle, the tail end of the handle is connected with an electric wire and an air pipe, an air opening valve is arranged on the air pipe, the upper end of the handle is provided with an air valve rod, an air valve hole is formed in the air valve rod, the trigger can drive an air ejection rod and the air valve rod to move, an air passage is arranged between the air ejection rod and the air valve rod, a spring and a knob are arranged behind the air valve rod, the rotary cup head is in threaded connection with the front gun body through a rotary cup shell, a bearing and a turbine are arranged in the rotary cup shell, the turbine is located in the turbine air chamber and is fixed with a central shaft, an air blowing inlet is formed in the turbine air chamber, the air passage penetrates through the front gun body to the turbine air chamber of the rotary cup head, the front gun body and the rotary cup shell is internally provided with the central shaft, a power transmission assembly is arranged below the central shaft, the front end of the front gun body is fixed with an outer electric needle, and the lower end of the front gun body is provided with an oil pipe.
2. A rotary cup spray gun according to claim 1, wherein: the outer pins are provided in a plurality on the fixed plate, and are formed in a needle shape along the axial direction of the gun body or in a ring shape centering on the axial direction of the gun body.
3. A rotary cup spray gun according to claim 2, wherein: the power transmission assembly comprises a conductive needle, a resistor, a high-voltage pack and a conductive spring, wherein the high-voltage pack, the resistor and the conductive needle are sequentially connected in series, the conductive needle is in contact with an oil valve seat, the conductive spring is in contact with the resistor and an oil valve seat, so that the rotary cup head is electrified, the oil valve seat is connected with the oil pipe, and the conductive needle and the outer electric needle are connected with an electric wire.
4. A rotary cup spray gun according to claim 3, wherein: the air bearing is arranged outside the center shaft, a tiny gap is reserved between the air bearing and the center shaft, the air bearing is fixed by a bearing front cover and a bearing rear cover, two ends of the bearing front cover and the bearing rear cover are sealed by a sealing ring C and a sealing ring D, an air inlet and an air outlet are arranged on the air bearing, and small holes are reserved in the middle of the bearing front cover and the bearing rear cover.
5. A rotary cup spray gun according to claim 4, wherein: the front gun body is internally provided with an oil sealing assembly, the oil sealing assembly comprises an oil valve seat, an oil needle and an oil seal, the oil needle and the oil valve seat are matched with sealing paint, and the oil seal is arranged outside the oil needle to prevent paint from leaking after the paint is filled.
6. A rotary cup spray gun according to claim 1, wherein: the oil pipe extends forwards to be connected with the rotary cup head, and the oil pipe is connected with the external seal oil supply device backwards through an oil pipe joint.
7. A rotary cup spray gun according to claim 6, wherein: the external seal oil supply device comprises a flow regulating valve, an air-opening valve and a generator, wherein the flow regulating valve and the air-opening valve are positioned on an oil conveying pipe, the generator comprises a flow switch, a circuit board, an electromagnetic valve and a manual valve, the flow switch is connected with a control air pipe, the flow switch is connected with the electromagnetic valve through the circuit board, the circuit board controls the electromagnetic valve to be electrified, and the electromagnetic valve and the manual valve control the air-opening valve on the oil conveying pipe.
8. A rotary cup spray gun according to claim 5, wherein: the spiral cup head is an internal rotation cup head or a spiral cup head, the spiral cup head is fixed on a central shaft of the spiral cup shell through a spiral cap, the spiral cup head is radially opened, the internal rotation cup head is a bell mouth, a spiral groove is formed in the spiral cup head, a rear cup seat is arranged behind the spiral cup head, an inward inclination is formed in the rear cup seat, and the cup cover is fixed with the rear cup seat in a pressing mode.
9. A rotary cup spray gun according to claim 8, wherein: the inner oil filling pipe is arranged on the center shaft, but is not contacted with the center shaft, one end of the inner oil filling pipe is screwed on the oil valve seat through threads, the other end of the inner oil filling pipe reaches the inner rotary cup head, the front end of the inner oil filling pipe is provided with an oil storage part, the bottom of the oil storage part is provided with an opening, one end of the outer oil pipe is connected with a tight hole sealing part of the oil valve seat, the other end of the outer oil pipe is suspended in the rear cup seat, and the outer oil pipe is fixed on the rotary cup shell through a screw.
10. A rotary cup spray gun according to any one of claims 1 to 9 wherein: the front gun body of the spray gun is connected with the trigger handle, and a hook is arranged above the front gun body of the spray gun and connected with a hanging point of the spray gun through a spring rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810433162.2A CN108339677B (en) | 2018-05-08 | 2018-05-08 | Rotary cup spray gun |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810433162.2A CN108339677B (en) | 2018-05-08 | 2018-05-08 | Rotary cup spray gun |
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| CN108339677A CN108339677A (en) | 2018-07-31 |
| CN108339677B true CN108339677B (en) | 2023-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810433162.2A Active CN108339677B (en) | 2018-05-08 | 2018-05-08 | Rotary cup spray gun |
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| CN2744421Y (en) * | 2004-10-12 | 2005-12-07 | 游仓杰 | Air floated type spraying gun |
| CN2770797Y (en) * | 2005-03-21 | 2006-04-12 | 普星机械工业有限公司 | Spray gun for powder coating |
| JP2009160590A (en) * | 2009-04-24 | 2009-07-23 | Tsutomu Takahashi | Air spray device |
| CN203459200U (en) * | 2013-09-25 | 2014-03-05 | 宁波盛恒光电有限公司 | Spray gun |
| CN205673100U (en) * | 2016-04-27 | 2016-11-09 | 李耀钧 | Rotary cup electrostatic spraying apparatus |
| CN208357077U (en) * | 2018-05-08 | 2019-01-11 | 杭州福路涂装设备有限公司 | A kind of rotating cup spray gun |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6702197B2 (en) * | 2002-07-03 | 2004-03-09 | Taiwan Semiconductor Manufacturing Co., Ltd. | Anti-electrostatic discharge spray gun apparatus and method |
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2018
- 2018-05-08 CN CN201810433162.2A patent/CN108339677B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2744421Y (en) * | 2004-10-12 | 2005-12-07 | 游仓杰 | Air floated type spraying gun |
| CN2770797Y (en) * | 2005-03-21 | 2006-04-12 | 普星机械工业有限公司 | Spray gun for powder coating |
| JP2009160590A (en) * | 2009-04-24 | 2009-07-23 | Tsutomu Takahashi | Air spray device |
| CN203459200U (en) * | 2013-09-25 | 2014-03-05 | 宁波盛恒光电有限公司 | Spray gun |
| CN205673100U (en) * | 2016-04-27 | 2016-11-09 | 李耀钧 | Rotary cup electrostatic spraying apparatus |
| CN208357077U (en) * | 2018-05-08 | 2019-01-11 | 杭州福路涂装设备有限公司 | A kind of rotating cup spray gun |
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| Publication number | Publication date |
|---|---|
| CN108339677A (en) | 2018-07-31 |
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Address after: 311100 Room 101, 1st Floor, Building 2, No. 1 Tangning Road, Yuhang Economic Development Zone, Linping District, Hangzhou City, Zhejiang Province Patentee after: Fulu Intelligent Equipment (Hangzhou) Co.,Ltd. Country or region after: China Address before: No. 18 Beisha West Road, Yuhang District Economic Development Zone, Hangzhou City, Zhejiang Province, 310000 Patentee before: HANGZHOU FULU PAINTING EQUIPMENT Co.,Ltd. Country or region before: China |
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