CN209238205U - A kind of rotating cup spray gun of hand-held - Google Patents

Abstract

The utility model discloses a kind of rotating cup spray guns of hand-held, including the rotation cup ontology for holding gun body and being arranged in hand-held gun body, rotation cup atomizer is provided on the rotation cup ontology, it is equipped in the rotation cup ontology and supplies gas-powered power mechanism by external, and drive the rotation cup atomizer to rotate the paint liquid in atomization input rotation cup atomizer by power mechanism；The outside of the rotation cup atomizer, which is equipped with, to be sprayed from cyclic annular crack for the rotation intrinsic high pressure gas of cup with the cyclic annular crack of opening composition of rotation cup ontology and constrains the annular element of paint buildup.The cyclic annular crack that the utility model passes through the annular element being equipped with and pneumatically the opening of rotation cup shell cooperatively forms can constrain in the direction of the pressure-air injection in the pneumatic rotation cup, to optimization design, nebulization efficiency is improved, while reducing manufacturing process, reduces cost.

Description

A kind of rotating cup spray gun of hand-held

Technical field

The utility model belongs to paint spraying apparatus technical field, and in particular to a kind of rotating cup spray gun of hand-held.

Background technique

Spraying is, by means of pressure or centrifugal force, to be dispersed into uniform and fine droplet by spray gun or dish-style atomizer, It is applied over the coating process on coated article surface.Aerial spraying, airless spraying, electrostatic spraying and above-mentioned basic spraying can be divided into The mode of the various derivations of form, such as big flow low-pressure atomizing spraying, thermal spraying, automatic spraying, multiple groups spraying.Air spray Painting is a kind of most-often used method, is to be sprayed coating atomization with compressed air.For spray painting amount, paint harness shape, paint The parameters such as beam diameter, paint grain size, air pressure, it is necessary to which appropriate adjustment is subject to according to the type of coating and viscosity.Its advantage exists In: spray painting condition can be arbitrarily selected, is easier to operate, suitable for paying attention to the workpiece of coating quality.Aerial spraying can produce Uniform paint, coating are moist；For the more covert component (such as gap, bumps) of components, can also equably spray.

Wherein, the dish-style atomizer is and is made with centrifugal atomizer using the centrifugal force that spray head high speed rotation generates The method that paint atomizing is dripped at mist, plate-spinning are a disks, its circumferential edges have a certain number of half-angle sawtooth.When disk is fast When speed rotation, paints to disk border movement, be finally detached from disk under the action of the centrifugal force and thrown in people's surrounding air, formed Droplet.This phenomenon as rotated umbrella rapidly in the rain, from umbrella edge dish out to form droplet by the rainwater on umbrella.Centrifugal force atomization The fineness for the droplet that method is formed, depending on the surface tension of plate-spinning revolving speed and paint and viscosity and the acceleration of paint drop. Revolving speed is higher, then is atomized thinner.Revolving speed and rate of addition all can artificial adjustment, thus atomized particle size can be taking human as control.

The rotation cup atomizer structure that existing centrifugal paint atomizing device is all made of power mechanism drive carries out high-speed rotation, The paint liquid of entrance is got rid of around by point oily cap being arranged in rotation cup atomizer.Power mechanism described in wherein is usually from The turbine that high pressure gas drives drives rotation cup atomizer rotation by turbine.But the oil being only atomized by revolving cup atomizer Paint can be spread around, and can not be assembled and be uniformly distributed facing one direction, then be easy to keep spraying effect poor.

In order to constrain the injection direction and range of paint, therefore got rid of by being equipped with around rotation cup atomizer towards atomization paint Out position sprays the gas outlet of high pressure gas, so that paint being capable of direction under the drive of high-speed gas again for the atomization spread to surrounding The movement of rotation cup atomizer axis direction is to achieve the effect that constraint aggregation.

Gas outlet in the prior art is the outer wall progress jet for being angled towards glass disk, and the high pressure gas is in contact cup disk When outer wall, portion gas can directly rebound and move to exterior measuring, can contact to be formed around cup disk outer wall position in gas at this time and disturb Stream, then cause portion gas to lose；And portion gas can be along cup disk outer wall to moving at cup dish opening, the portion gas is because hitting Cup disk outer wall and lead to part kinetic energy rejection, although therefore also keeping high-speed motion state and the paint court that guides glass dish opening to throw away Collect injection forwards, but its atomizing effect is poor, binding effect is bad, cause the workpiece being painted surface occur paint spot or The non-uniform problem of person's spray painting.

Utility model content

In order to solve the problems, such as that the flow velocity and flow loss of above-mentioned high pressure gas in the prior art, the utility model provide one Kind, which can pass through, to be changed high pressure gas flowing direction and constrains gas outlet to reach the rotation cup of the hand-held of preferable atomizing effect Spray gun.

The technology employed by the present utility model is a kind of rotating cup spray gun of hand-held, including hand-held gun body and setting The rotation cup ontology in gun body is being held, rotation cup atomizer is provided on the rotation cup ontology, is equipped with and passes through in the rotation cup ontology Outside supplies gas-powered power mechanism, and is driven in the rotation cup atomizer rotation atomization input rotation cup atomizer by power mechanism Paint liquid；The outside of the rotation cup atomizer, which is equipped with, constitutes cyclic annular crack for revolving the intrinsic height of cup with the opening of rotation cup ontology Body of calming the anger sprays from cyclic annular crack and constrains the annular element of paint buildup.

Wherein, the pneumatic rotation cup structure is the structure that the front of entire spray-painting plant is arranged in and paints.Wherein, will Pass through in paint liquid injection rotation cup atomizer and be driven by a power mechanism high-speed rotation and will paint liquid high speed and throw away and reaches atomization Effect.And high pressure gas is injected in rotation cup ontology by external gas supply mechanism, and is sprayed from the cyclic annular crack.It is existing The high pressure gas ejiction opening of rotation cup structure is the outer wall of face rotation cup structure, and gas high-speed impact rotation cup structure outer wall is to produce Angry body flow-disturbing, so that along rotation cup structure outer wall and cutting the gas velocity amount at rotation cup atomizer spray painting mouth edge Reduce.And the cyclic annular crack in the utility model can uniform gas distribution, the gas sprayed from cyclic annular crack be directed along The outer wall of rotation cup atomizer moves upwards, and is not in hit the case where generating flow-disturbing loss speed and tolerance, cleverly utilizes Rotation cup ontology and the gap revolved between cup atomizer spray painting end carry out outlet.

Further, the rotation cup ontology is equipped with the atmospheric pressure compensating knot that atmospheric pressure compensating is carried out towards rotation cup atomizer outer wall Structure.

It is worth noting that the atmospheric pressure compensating structure in the utility model can be to the rotation cup atomizer on cyclic annular crack top High pressure gas is sprayed in the annular section in outside, those skilled in the art should be understood as that the structure includes spray-hole, injection Pipe, through slot or the structure that individual injection is individually connected to high-pressure air source.

Further, the rotation cup ontology is equipped with towards rotation cup atomizer outer wall and will revolve the high pressure gas of cup body interior Body guidance sprays the tonifying Qi hole for carrying out atmospheric pressure compensating.It can be because of high speed close to the annular section of rotation cup ontology outside cyclic annular crack The gas of flowing is to form a low-pressure area B, and low-pressure area B then will lead to portion gas and flow towards the region, then shadow Ring the effect of gas cutting cup plate edge.Therefore also by being equipped in the circular end face that gas cap 23 is equipped with opening in the utility model It is connected on the inside of multiple tonifying Qi holes 24, the tonifying Qi hole 24 and gas cap 23, and revolving the intrinsic high pressure gas of cup can be by tonifying Qi hole 24 spray and spray towards the low-pressure area B of upper circular cone, to effectively supplement the gas in the region, it are made to restore normal pressure, To avoid excessive gas from wasting, atomizing effect is improved.

Further, the hand-held gun body is equipped with handle, and it is intracorporal in hand-held gun to control setting by holding handle Inlet valve gives rotation cup ontology feed.

Further, the hand-held gun body includes handle and gun housing, and the gun housing and handle are connected to form integral structure, The handle is hinged in gun housing and the connecting rod by being equipped with is connect with inlet valve.

Further, the cup ontology that revolves includes the mutual shell and rotation cup attachment base for fastening and forming internal cavity, described interior Bearing block is equipped in cavity；The rotation cup atomizer is plugged in bearing block and bearing and bearing by being arranged in bearing block Seat rotation connection revolves cup atomizer and constitutes cyclic annular crack with the opening of shell.

Further, the bearing block is equipped with the channel passed through for rotation cup atomizer, and the one end of the channel is expanded to be formed The A ring-type contacted with shell expands chamber, and the other end expands the B ring-type to be formed and be contacted with rotation cup attachment base and expands chamber；The rotation cup Atomizer, which expands in chamber insertion channel from A ring-type far from oil spout one end and passes through channel, expands intracavitary move with B ring-type is arranged in Force mechanisms transmission connection.

Further, the rotation cup atomizer includes cup disk interconnected and is driven with the power mechanism in pneumatic rotation cup The shaft of connection, the annular element are arranged on cup disk；It is close in the cup disk to be equipped with cyclic annular mounting groove, institute with shaft junction It states and a point oily cap is installed in cyclic annular mounting groove.

Further, the rotation cup attachment base, which is equipped with to be inserted into rotation cup atomizer from shaft one end, penetrates oily stick.

Further, be additionally provided on the rotation cup attachment base expand that chamber is connected to B ring-type be rotated into air flue and rotation Exhaust duct；The high pressure gas, which enters B ring-type and expands intracavitary and propulsion power mechanism by being rotated into air flue, drives the rotation cup Atomizer rotation；The power mechanism is wind rotor.

Further, the injection being connected to the cavity on the outside of bearing block between shell is additionally provided on the rotation cup attachment base Air intake duct；The high pressure gas is entered in shell by injection air intake duct and is sprayed from cyclic annular crack.

Further, the shell is to connect with rotation cup attachment base and bearing block is against the gas cap on rotation cup attachment base, The gas cap is equipped with the opening that cyclic annular crack is formed with annular element far from bearing block side.

It is worth noting that the lower edge of bearing block, which resists, revolves on cup attachment base end face and is formed sealing, and bearing block Upper edge, which resists, is similarly formed sealing on the inner wall of shell.So that B ring-type is expanded between chamber and rotation cup attachment base, shell and bearing Between seat, A ring-type expand between chamber and gas cap three independent spaces of formation.And B ring-type expand chamber and shell and bearing block it Between space form sealing, and the high pressure gas entered between shell and bearing block can move upwards and by being arranged in bearing block On venthole enter A ring-type and expand intracavitary and sprayed from cyclic annular crack.

The utility model has the following beneficial effects:

(1) the cyclic annular crack energy that the utility model passes through the annular element being equipped with and the pneumatic opening for revolving cup shell cooperatively forms Enough constrain in the pneumatic rotation cup pressure-air injection direction, while cleverly use the pneumatic rotation cup shell with The gap between cup atomizer is revolved, then is not necessarily to extra openings, while gentle without individual gas chamber is designed in pneumatically rotation cup Road, so that optimization design, improves nebulization efficiency, while reducing manufacturing process, reduce cost；

(2) the utility model, which passes through the annular recess being equipped with, can reduce the weight of entire rotation cup atomizer, and pass through Structure design can be using cup atomizer be revolved, to reduce entire pneumatic rotation cup made of plastics or other light materials Weight is convenient for hand-held；

(3) the rotation cup atomizer structure of the utility model is by being interconnected to form the cup disk and shaft group of integral structure At；The structure not only increases structural strength compared to the mode being detachably connected, and will not be because of assembly technology the problem of and Lead to glass disk and the case where decentraction occur in shaft because the rotation cup atomizer will do it high-speed rotation, then need to make two can The axis of the structure of dismantling connection is in connected state on same straight line, is will lead between two components if error is larger Vibration is generated, parts wear is caused, to reduce the service life；

(4) shape of the entire bearing block of the utility model is convenient for the installation and maintenance of bearing, while bearing block extends shape At A ring-type expand location structure of the outside as gas cap of chamber, it is easy to process to be easy to control precision, simplify production, so that ring The more uniform precision of shape crack is easy to control；

(5) shell of the utility model designs for single housing, and performance is constant, but structure is simpler, and weight is lighter, just In operation.

Detailed description of the invention

Wherein: 1- rotation cup atomizer, 101- glasss of disks, 102- shaft, 2- annular element, 3- annular recess, 4- ring-type mounting groove, 5- points of oily caps, 6-O type circle mounting groove, 7- collar flange, 8- rotation cup attachment base, 9- bearing block, 10- bearing, 11-A ring-type are expanded Chamber, 12-B ring-type expand chamber, and 13- penetrates oily stick, and 14- is rotated into air flue, and 15- rotates exhaust duct, and 16- sprays air intake duct, and 17- is pneumatic Impeller, 18- handle, 19- inlet valve, 20- handle, 21- gun housing, 22- connecting rod, 23- gas cap, 24- tonifying Qi hole, B- low-pressure area.

Fig. 1 is the structural schematic diagram of the hand-held spray guns of the utility model；

Fig. 2 is the configuration schematic diagram of the hand-held spray guns of the utility model；

Fig. 3 is the utility model with wind rotor, bearing block and the explosion relation schematic diagram for revolving cup attachment base；

Fig. 4 is the schematic diagram that rotation cup receives gas impact in the prior art；

Fig. 5 is the structural schematic diagram of the rotation cup main body of the utility model；

Fig. 6 is the cutting structural schematic diagram of the Fig. 4 along B-B of the utility model, wherein being labelled with the trend of gas；

Fig. 7 is the structural schematic diagram of the bearing block of the utility model；

Fig. 8 is cutting structural schematic diagram of the utility model Fig. 6 along B-B；

Fig. 9 is the structural schematic diagram of the rotation cup atomizer of the utility model；

Figure 10 is cutting structural schematic diagram of the utility model Fig. 8 along E-E；

Figure 11 is the structural schematic diagram of point oily cap of the utility model；

Figure 12 be the utility model set there are two be rotated into air flue rotation cup attachment base structure schematic diagram；

Figure 13 is in Figure 12 of the utility model along the structural schematic diagram of C-C cutting；

Figure 14 is in Figure 12 of the utility model along the structural schematic diagram of D-D cutting；

Figure 15 is the axis side structure schematic diagram of the rotation cup attachment base for being equipped with bearing block of the utility model；

Figure 16 is the cutting structural schematic diagram of Figure 15 of the utility model；

Figure 17 is the axis side structure schematic diagram of the rotation cup attachment base of the utility model；

Figure 18 is the structural schematic diagram of the reduction rotation cup body interior components volume of the utility model；

Figure 19 is the rearview of the rotation cup attachment base in Figure 19 of the utility model；

Figure 20 is the front axis side schematic diagram of the rotation cup attachment base in Figure 19 of the utility model；

Figure 21 is the sectional view of the rotating cup spray gun of the hand-held of the utility model；

Figure 22 is the rotation cup ontology cutting structural schematic diagram equipped with single layer gas cap of the utility model；

Figure 23 is the rotation cup ontology cutting structural schematic diagram of the reduction internal volume of the utility model；

Figure 24 is the cutting structural schematic diagram of the hand-held gun body with rotation cup ontology of the utility model；

Figure 25 is the A partial enlarged view of the utility model Fig. 6；

Figure 26 is the gas cap structural schematic diagram of the utility model.

Specific embodiment

With reference to the accompanying drawing and specific embodiment does further explaination to the utility model.

Embodiment 1:

The present embodiment discloses a kind of rotating cup spray gun of hand-held, as shown in Figure 1, Figure 2, Fig. 5, Fig. 6, Fig. 9, Figure 10 and Figure 21 institute Show, including hand-held gun body and rotation cup ontology, the rotation cup ontology is gentle including rotation cup atomizer 1, rotation cup attachment base 8, bearing block 9 Cap 23, the rotation cup atomizer 1 passes through the bearing 10 being equipped with and bearing block 9 is rotatablely connected.Bearing block 9 is mounted on rotation cup attachment base On 8, and the bearing block 9 is covered and is pressed on rotation cup attachment base 8 by the gas cap 23 by connecting with rotation cup attachment base 8.Institute It states to be equipped in rotation cup atomizer 1 and penetrates oily stick 13 and point oily cap 5, described point of oily cap 5 is positioned close to penetrate the paint transmitting of oily stick 13 End.And revolve cup atomizer 1 and be also connected with power mechanism, it is driven by a power mechanism carry out high-speed rotation, so that oily stick 13 will be penetrated The paint of ejection is thrown away at a high speed under the influence of centrifugal force by a point oily cap 5, to achieve the effect that initial atomization.

The gas cap 23 is equipped with opening far from rotation 8 side of cup attachment base, and one is being equipped on the outer wall that cup disk 101 is open Ring outer wall is the annular element 2 of smooth cylindrical structure.The annular element 2 can be with the shell mechanism cooperation guidance gas of pneumatic rotation cup High pressure gas in dynamic rotation cup sprays.The shell mechanism is gas cap 23, and the rotation cup atomizer 1 is mounted in gas cap 23 And cup disk 101 is emerged from 23 upper opening of gas cap, is formed between the outer wall of the annular element 2 and corresponding gas cap 23 opening cyclic annular Crack.And high pressure gas can fill in the space between gas cap 23 and rotation cup atomizer 1 completely, and from the cyclic annular crack of formation Quickly spray.Gas constraining to be moved along the outer wall of annular element 2 by cyclic annular crack at this time, thus reduce flow-disturbing, Opening edge under same gas pressure condition in cup disk 101 can generate more air-flows, at the same flow velocity loss compared with It is small, to improve atomization and binding effect.

As shown in fig. 6, the high pressure gas is provided by external air compressor, and the sky being sent between gas cap 23 and bearing block 9 It is intracavitary, then project from the cyclic annular crack and moved upwards along the outer wall of cup disk 101.The rotation cup attachment base 8 is to use To fix the structure of gas cap 23 and bearing block 9, and it is connected and fixed in hand-held gun body with the hand-held gun body.In hand-held gun body The pipeline of pipeline and gas supply equipped with fuel feeding is connect respectively for providing paint and high pressure to pneumatic rotation cup with rotation cup attachment base 8 Gas.And the structure of hand-held is convenient for operation, while the pneumatic rotation cup structure has preferable atomizing effect.

Embodiment 2:

The present embodiment is that restriction is optimized on the basis of above-described embodiment 1, and the hand-held gun body includes 20 He of handle Gun housing 21, the gun housing 21 and handle 20 are connected to form integral structure, and gun housing 21 is hollow structure, are rifle in gun housing 21 Room is equipped with inlet valve 19 in the rifle room, is equipped with the handle 18 hinged with gun housing 21 outside the gun housing 21, the handle 18 with Inlet valve 19 connects and controls the opening and closing of inlet valve 19 by rotation handle 18.

As shown in figure 21, the inlet valve 19 is the cylindrical structure equipped with upper and lower two nozzles, is hollow structure, and It is equipped with piston in inside, is wherein connected to inside lower nozzle and handle 20, and the opening access being equipped with from 20 bottom of handle is external Oil pipe, the oil pipe are penetrated in handle 20 and are connected to lower nozzle.And the feed that upper orifice and rotation cup attachment base 8 are equipped with Channel connection provides paint for the rotation cup atomizer 1.And the piston is equipped with connecting rod 22, and the connecting rod 22 It is pierced by gun housing 21 and hinged with handle 18.And it is additionally provided with reset spring in the inlet valve 19, by reset spring to connection Bar 22 is provided always towards the thrust in the outside of gun housing 21 so that the handle 18 retained towards when not receiving external force it is separate 20 1 side direction of handle is moved and is blocked in far from 20 one end of handle.The piston is in close state at this time, the feed Two nozzles up and down of valve 19 are not connected to, rotate it towards 20 side of handle by holding handle 18, to push connecting rod 22 inwardly movements, and push piston to open so that upper and lower two nozzles form access.

It is additionally provided with hook on 21 top of gun housing, it is convenient convenient for fixed position can be suspended on when the equipment is not used It operates and takes.

Preferably, for the ease of dismounting and later maintenance, the handle 20 and gun housing 21 are mutually to detain merga pass bolt The two parts being fixedly connected, the rotation cup attachment base 8 are equipped with connecting groove, and rotation cup attachment base 8 is first placed in it when installation In middle a part, and make connecting groove and the corresponding protrusion clamping being arranged on inside gun housing 21, then by another part pair Neat to fasten, blending bolt is fixed, to form the rotating cup spray gun of a complete hand-held.

Embodiment 3:

The present embodiment is to optimize restriction on the basis of above-described embodiment 2, wherein as shown in figure 22, the rotation cup Atomizer 1 is the pipeline configuration of class T-type, and internal reservation has channel to be used to accommodate to penetrate oily stick 13.It is described to penetrate oily stick 13 from side It in the channel of opening insertion rotation cup atomizer 1, but is not contacted with rotation cup atomizer 1, to avoid the rotation cup mist of high-speed rotation Change device 1, which influences, penetrates oily 13 oil spout of stick.

As shown in Figure 9 and Figure 10, rotation 1 both ends of cup atomizer are equipped with opening, and side is for penetrating oily stick 13 and external feeding machine Structure connection can penetrate paint injection in oily stick 13, and another side opening is for jet atomization paint.

Revolving cup atomizer 1 includes cup disk 101 interconnected and shaft 102, and the cup disk 101 is opened close to connection side It is removable by being threadedly engaged realization equipped with internal screw thread on the inside of mouthful, and equipped with external screw thread outside the close connection side of the shaft 102 Unload connection.The main structure of the cup disk 101 is vertebral body structure, and open end is circular shape, and its opening extends internally Its radius, which gradually contracts, forms smooth annular surface, so that the paint for throwing away high speed uniformly slides in and out simultaneously along annular surface It moves out and throws away along the axis for being parallel to plane of the opening from opening edge, so that the paint being entirely atomized, which is quickly spread, to be gathered Collection.The shaft 102 is equipped with the collar flange 7 with pneumatic rotation cup cooperation sealing.

The cyclic annular mounting groove 4 for being used to fixed point of oily cap 5 is equipped on 101 inner wall of cup disk, described point of oily cap 5 is connected to ring-type It realizes and is detachably connected in mounting groove 4, consequently facilitating cleaning and disassembly.In the shaft 102 far from 101 side outer wall of glass disk Equipped with the connection structure with power mechanism.And preferably, which is screw thread, and the power mechanism is to pass through high pressure gas The wind rotor 17 of driving.The wind rotor 17 is socketed in 102 tail portion of shaft, and is detachably connected by being threadedly engaged realization It connects, consequently facilitating disassembly and replacement.

As shown in figure 11, wherein point oily cap 5 is arranged in more on bottom plate including circular bottom plate and equal central angles A clip-connecting rod has card slot close to medium position on the clip-connecting rod, and the card slot of all clip-connecting rods forms intermittent cyclic annular card slot. And multiple clip-connecting rods have certain elasticity, can when a point oily cap 5 is inserted into 101 inside of cup disk to central reduction certain amplitude, from And it slides into and realizes clamping in the cyclic annular mounting groove 4 of cup disk 101.And it moves upwards from the paint for penetrating the oily injection of stick 13 and is connect with bottom plate Touching, and think that surrounding spreads and contacts with the clip-connecting rod of high-speed rotation, to be got rid of by clip-connecting rod high speed to surrounding.Because of described point of oily cap Spacing is smaller between the bottom plate and 101 inner wall of cup disk when 5 installation, thus paint only contacted with clip-connecting rod topmost a part and from It throws away and is fallen on external 101 inner wall of cup disk in gap between bottom plate and cup disk 101.

In order to constrain the injection direction and range of paint, therefore thrown away by being equipped with around cup disk 101 towards atomization paint The gas outlet of high pressure gas is sprayed in position, so that paint can be again under the drive of high-speed gas towards cup for the atomization spread to surrounding The movement of 101 axis direction of disk is to achieve the effect that constraint aggregation.

Gas outlet in the prior art is the outer wall progress jet for being angled towards glass disk 101, as shown in figure 4, the high pressure When contacting 101 outer wall of cup disk, portion gas can directly rebound and move to exterior measuring gas, can contact cup disk in gas at this time Flow-disturbing is formed around 101 outer wall positions, then causes portion gas to lose；And portion gas can be along 101 outer wall of cup disk to cup disk 101 Opening movement, the portion gas because hit cup disk 101 outer wall due to lead to part kinetic energy rejection, although therefore also keep high-speed motion State simultaneously guides the be open paint that throws away of glass disk 101 to collect injection towards front, but its atomizing effect is poor, and binding effect is not It is good, cause the surface for the workpiece being painted to occur painting spot or the non-uniform problem of spray painting.

The cup disk 101 is divided into upper circular cone and lower circular cone by annular element 2, and high pressure gas can be sprayed from cyclic annular crack And moved upwards along upper conical outer wall, to cut the open edge of glass disk 101, assisted atomization paint improves control fogging oil Paint efficiency.

As shown in figure 25, the section of the upper circular cone is inclined-plane, and the angle with the outer wall of annular element 2 is obtuse angle, that is, It says, air-flow is to spray along cyclic annular crack, and the airflow direction in cyclic annular crack is parallel with the axis direction of cup disk 101 originally. But if for equipped with upper conical structure, and spraying gas and having not been changed flow direction, then preferable cutting cup disk edge is unable to reach Effect.Therefore by setting conical structure for cup disk outer wall, enable the gas sprayed from cyclic annular crack along annular Part moves upwards and guides deflecting by upper circular cone, when gas reaches cup dish opening plane Shi Zeneng aerodynamically principle Deflecting occurs again and moves towards the axial direction of cup disk for gas.And conical structure can compress a certain amount of flowing gas on this Body, so that the gas density of cutting cup disk becomes larger, to improve atomizing effect.

But one can be formed because of swiftly flowing gas close to the annular section of upper circular cone outside cyclic annular crack Low-pressure area B, and low-pressure area B then will lead to portion gas and flow towards the region, then influences the effect of gas cutting cup plate edge Fruit.In Figure 25, the circle in figure is the low-pressure area B marked.Therefore also by being equipped with opening in gas cap 23 in the present embodiment Circular end face is equipped with multiple tonifying Qi holes 24, is connected on the inside of the tonifying Qi hole 24 and gas cap 23, and revolves the intrinsic high pressure gas of cup Know from experience and sprayed by tonifying Qi hole 24 and sprayed towards the low-pressure area B of upper circular cone, to effectively supplement the gas in the region, makes it Restore normal pressure, so that excessive gas be avoided to waste, improves atomizing effect.

Preferably, outer wall is recessed inwardly to form annular recess 3 on the downside of the lower circular cone, to can reduce entire rotation cup atomization The weight of device 1, to reduce the power demand of rotation.

Each bearing 10 is corresponded on 102 outer wall of shaft and is equipped with a cricoid O-ring mounting groove 6, is pacified in O-ring O-ring is installed in tankage 6.It can reduce the requirement on machining accuracy of shaft 102 by being equipped with O-ring on bearing 10, simultaneously The noise generated when reducing high-speed rotation.Because entirely rotation cup atomizer 1 is in high-speed rotation, if 102 machining accuracy of shaft Poor or assembly technology is poor to cause shaft 102 that can swing when rotating, to generate noise, and will affect using the longevity Life.By being equipped with O-ring between shaft 102 and bearing 10 to reduce swing, while the machining accuracy for reducing shaft 102 is wanted It asks, even if the spacing of two bearings 10 and shaft 102 differs, swing can be attached and reduced by the O-ring being equipped with, Also bearing 10 easy to disassemble simultaneously.

As shown in Figure 7 and Figure 8, the bearing block 9 is cylindrical-shaped structure, and center offers channel in the axial direction, is led to The installation deep gouge of cricoid bearing 10 that diameter is greater than channel cross-section diameter is equipped at road both ends open, the bearing 10 can directly lead to The bearing 10 is interference fitted in install in deep gouge.10 one end of bearing of the rotation cup atomizer 1 is inserted from a side opening again Enter, so that described two bearings 10 are socketed on bearing 10.

In 9 channel of bearing block, the bearing 10 close to 101 side of cup disk installs deep gouge and extends outward to form A ring-type and expand chamber 11, the section that axis direction cutting obtains that is parallel to that the A ring-type expands chamber 11 is pyramidal structure, and the larger one end that is open is leaned on The nearly cup disk 101.And the larger side opening outer wall that the A ring-type expands chamber 11 is cyclic annular equipped with formation is contacted with gas cap 23 The A annular groove of sealing, when the gas cap 23 covers on bearing block 9 on rotation cup attachment base 8 and contacts with the A annular groove of bearing block 9 Form sealing.And bearing block 9 equally extends outward to form B ring-type far from the open end that A ring-type expands 11 side of chamber and expands chamber 12, the wind rotor 17 is placed on B ring-type and expands in chamber 12, and the shaft 102 passes through bearing far from one end of glass disk 101 The channel of seat 9 is simultaneously sequentially connected with B ring-type being arranged in expanding wind rotor 17 in chamber 12.The B ring-type expands opening for chamber 12 Mouth end face forms sealing because the bearing block 9 is then resisted by the lower pressure of gas cap 23 on 8 one side end face of rotation cup attachment base. The high pressure gas being then present between bearing block 9 and gas cap 23 pass through be arranged in A ring-type expand multiple ventholes on chamber 11 into Enter and is sprayed in the cyclic annular crack that glass disk 101 is formed with gas cap 23.The shape of entire bearing block 9 is convenient for the installation and dimension of bearing 10 It repairs, while the A ring-type that bearing block 9 extends to form expands location structure of the outside of chamber 11 as gas cap 23, it is easy to process to be easy Precision is controlled, production is simplified, so that the cyclic annular more uniform precision of crack is easy to control.

Specifically, the larger side opening outer wall that the A ring-type expands chamber 11, which is equipped with, contacts formation ring-type with gas cap 23 The A annular groove of sealing, when the gas cap 23 covers on bearing block 9 on rotation cup attachment base 8 and contacts with the A annular groove of bearing block 9 Form sealing.The gas cap is equipped with the positioning ring cooperated with A annular groove, and not only the positioning ring is contacted with A annular groove and played Sealing effect, and the installation link position that can limit gas cap reduces difficult processing to ensure that the precision of cyclic annular crack Degree.Because when spraying gas, cyclic annular crack should be the gap of even width, so that the gas that the annular crack sprays is more equal It is even.

As shown in Figure 12-17, Figure 19-20, the rotation cup attachment base 8 is similarly cylindrical-shaped structure, circular end face to Sunken inside forms circular attachment base deep gouge, and the side attachment base deep gouge inner wall is multiple towards the company equipped with being evenly arranged with Joint chair deep gouge center of circle A convex block outstanding.Spacing is equal between the adjacent A convex block, therefore is formed on attachment base deep gouge inner wall Cricoid tooth band structure.And B ring-type expand chamber 12 on the outer wall close to opening uniformly equal central angles be disposed with it is multiple to outside B convex block prominent and with the cooperation limit of A convex block, and A convex block is equipped with equal to described by the race diameter that B convex block forms ring tooth band Attachment base groove internal diameter.When the bearing block 9 is sunk in the attachment base deep gouge, the A convex block contacts with each other with B convex block Achieve the effect that limitation rotation.

It is worth noting that the adjacent A convex block is identical as the quantity of B convex block, so that all A convex blocks and all B convex blocks One-to-one correspondence contact is carried out, to improve structural strength.But in order to be reserved with air flue, therefore the gap between the adjacent A convex block is big In the thickness of B convex block.

As shown in figs. 12-14, multiple air passages are additionally provided on the rotation cup attachment base 8, including are rotated into air flue 14, rotation Exhaust duct 15 and injection air intake duct 16.When bearing block 9 is against in the attachment base deep gouge of rotation cup attachment base 8, the B ring-type is expanded Chamber 12 forms closed space.And it is described be rotated into air flue 14 and rotation exhaust duct 15 expands chamber 12 with B ring-type and is connected to, and revolve It rotates into air flue 14 to be positioned close on outer concentric circle, and rotates exhaust duct 15 and be arranged close on the concentric circles of inside.And revolve cup The axial position of attachment base 8 is equipped with individual feeder channel, described to penetrate oily 13 one end of stick setting in feeder channel, and by outside The oil pipe being connected into is fed.And cricoid flabellum is externally equipped on 17 1 side end face of wind rotor, the flabellum Width is less than the radius of wind rotor 17.Then the air flue 14 that is rotated into is corresponding with flabellum, and the air flue 14 that is rotated into is two Segmentation setting, wherein the side that the part internal diameter close to 17 side of wind rotor reduces and axis is moved towards promotion flabellum to side It is angularly disposed channel to setting, therefore close to 17 1 sections of wind rotor, so that the pressure-air for expanding chamber 12 into B ring-type is first It is contacted with flabellum and wind rotor 17 is pushed to rotate.And the air after contacting then is moved towards the center of wind rotor 17, And it is discharged from rotation exhaust duct 15.

And the injection air intake duct 16 is arranged on the concentric circles of outermost rotation cup attachment base 8, and the injection air inlet Space between road 16 and bearing block 9 and gas cap 23 is connected to.As shown, the injection air intake duct 16 just with any joint A convex block and B convex block between gap area, and expand chamber 12 with the B ring-type and separate, without in the bearing block Air flue is individually offered on 9, simplifies production technology.The present embodiment is one kind preferably arrangement side for limiting multiple air passages Case, while spraying air intake duct 16 and being rotated into air flue 14 and same root air passage structure can be used, and it is not provided with exhaust duct, it drives The gas that wind rotor 17 rotates can also continue to towards cyclic annular crack movement, and only effect is poor, compares in this present embodiment Scheme, the gas flow rate sprayed from cyclic annular crack is decreased obviously, although being equally reached the effect of guidance paint drop.

As shown in Fig. 6 and Fig. 2, it is worth noting that, the gas cap 23 of the present embodiment includes outer gas cap 23 and interior gas cap 23, institute It states interior 23 1 side opening of gas cap to connect with rotation cup attachment base 8, another side opening and 101 outer wall of cup disk form cyclic annular crack.And institute It states outer gas cap 23 and covers on interior 23 outside of gas cap.And the air flue 14 that is rotated into is equipped with one, there are two rotation exhaust duct 15 is set.And There are two the injection air intake duct 16 is set, and the center of circle for spraying air intake duct 16 is arranged on same annulus, and the opposite center of circle is symmetrical Setting to increase intake efficiency, and makes gas distribution more uniform.And the outer gas calotte is on the outside of interior gas cap, and it is interior Gas cap is equipped with multiple through slots for being parallel to interior gas cap axis, and through slot is connected to the tonifying Qi hole 24.It can be clear in Figure 26 Chu is seen, by outer gas cap and shrouds on the outside of interior gas cap to which the side for resisting each through slot forms each through slot solely Vertical air passage, the gas for revolving cup body interior can then enter and from through slot close to rotation 8 one side ports of cup attachment base finally from benefit Stomata 24 is discharged.

The installation method of the present embodiment: two bearings 10 that two bearings 10 are respectively placed at bearing block 9 are installed first In deep gouge, then by 102 one end of shaft for revolving cup atomizer 1 out of, A ring-type expands 11 side of chamber insertion bearing block 9 channel. Being fixed in the central passage for revolving cup attachment base 8 with externally threaded oil inlet end for oily stick 13 is penetrated by described again, so that penetrating oily stick 13 are fixedly connected with rotation cup attachment base 8.And penetrate oily stick 13 insertion rotation 8 one end outer wall of cup attachment base and be equipped with seal groove, when penetrating oil The oil inlet end of oily stick 13 and the central passage inner wall shape of rotation cup attachment base 8 are penetrated described in when stick 13 is fixedly connected with rotation cup attachment base 8 At sealing, to prevent paint from leaking.

Then again by wind rotor 17 be placed in B ring-type expand in chamber 12 and with 102 end thread of shaft that passes through channel It is fixedly connected, then entire bearing block 9 is placed on rotation cup attachment base 8 and to sink to B convex block side equipped with A convex block In attachment base deep gouge, and plug hole is put into, and be fixed on rotation cup attachment base 8 on penetrate oily stick 13 then from 102 one end of shaft be inserted into it is whole In a rotation cup atomizer 1.A point oily cap 5 is connected in glass disk 101 again.

At this time because the wind rotor 17 is threadedly engaged with shaft 102 and connect, and the wind rotor 17 is being equipped with fan The blocker ring of outwardly convex is equipped on the opposing circular face of leaf around center.102 side of shaft is equipped with the axis of collar flange 7 and top 10 are held to resist, and the wind rotor 17 is fixed with shaft 102 and the blocker ring and the bearing of lower part 10 are resisted, thus The shaft 102 is fixed between two bearings 10.And B ring-type expands the thickness of chamber 12 slightly larger than the wind rotor at this time 17 thickness, so that having centainly between wind rotor 17 and rotation cup attachment base 8 when bearing block 9 resists rotation cup attachment base 8 Interval, i.e. wind rotor 17 will not contact when rotating with rotation cup attachment base 8.

Finally interior gas cap 23 is installed again, bearing block 9 is compressed and covers completely, the cup disk 101 is from interior 23 gas cap of gas cap 23 upper end opening is pierced by, and the circular opening of the annular element 2 and 23 upper end of gas cap cooperatively forms cyclic annular crack, then outer 23 sets of gas cap in interior 23 outside of gas cap, then all components assembly completions.As described in Figure, external pressure-air is from rotating inlet Road 14 enters into and through angularly disposed channel and pushes wind rotor 17 to rotate towards flabellum high-speed motion, to drive entire rotation Cup 1 high-speed rotation of atomizer.Then high pressure gas enters the sky between bearing block 9 and gas cap 23 from injection air intake duct 16 simultaneously Between, then bearing block 9 is entered by venthole and is revolved in the space between cup atomizer 1, and finally from cyclic annular crack along cup disk 101 outer walls project, and can reduce air pressure and the loss of tolerance compared to the prior art, to improve atomizing effect.

Embodiment 4:

The present embodiment is to optimize restriction on the basis of above-described embodiment 3, as shown in figure 24, wherein by gas cap 23 It is optimized for single layer structure, cancels original interior gas cap 23 and 23 structure of outer gas cap, to reduce cost and installation procedure.Exist simultaneously Multiple through slots are offered on 9 outer wall of bearing block, to mitigate quality, and are easy die sinking.And reduces A ring-type and expand chamber 11 Space, and increase by two bearings 10 between spacing, to make the spacing between glass disk 101 and bearing 10 reduce, so that axis The reduction of 10 stress is held, the service life of bearing 10 is improved, keeps its operation more stable.

Embodiment 5:

The present embodiment is to optimize restriction on the basis of above-described embodiment 4, as shown in Figure 18,19,20 and 23, is passed through Further reduce gas cap 23, rotation cup attachment base 8, A ring-type expands chamber 11, B ring-type expands chamber 12 and wind rotor 17, thus make weight Amount is slimmer and more graceful, and facilitates operation.Wherein the rotation exhaust duct 15 on the rotation cup attachment base 8 and injection air intake duct 16 are reduced To one, consequently facilitating control volume.

Meanwhile the tonifying Qi hole 24 is set up directly on gas cap 23 in the annular end face of 101 side of glass disk, and with the side The center that gas cap 23 is open is being evenly arranged for the central angles such as the center of circle.

The utility model is not limited to above-mentioned optional embodiment, anyone can obtain under the enlightenment of the utility model Other various forms of products out.Above-mentioned specific embodiment should not be understood the limitation of the pairs of protection scope of the utility model, The protection scope of the utility model should be subject to be defined in claims, and specification can be used for explaining that right is wanted Seek book.

Claims (10)

1. a kind of rotating cup spray gun of hand-held, it is characterised in that: including the rotation cup sheet for holding gun body and being arranged in hand-held gun body Body is provided with rotation cup atomizer (1) on the rotation cup ontology, is equipped in the rotation cup ontology by external for gas-powered power Mechanism, and drive rotation cup atomizer (1) to rotate the paint liquid in atomization input rotation cup atomizer (1) by power mechanism；Institute State rotation cup atomizer (1) outside be equipped with the opening of rotation cup ontology constitute cyclic annular crack for the rotation intrinsic high pressure gas of cup from Cyclic annular crack sprays and constrains the annular element (2) of paint buildup.

2. a kind of rotating cup spray gun of hand-held according to claim 1, it is characterised in that: the rotation cup ontology is equipped with court The atmospheric pressure compensating structure of atmospheric pressure compensating is carried out to rotation cup atomizer (1) outer wall.

3. a kind of rotating cup spray gun of hand-held according to claim 2, it is characterised in that: the atmospheric pressure compensating structure is It is arranged on rotation cup ontology and the high pressure gas guidance for revolving cup body interior is sprayed to the tonifying Qi hole (24) for carrying out atmospheric pressure compensating.

4. a kind of rotating cup spray gun of hand-held according to claim 1-3, it is characterised in that: the hand-held gun body It is equipped with handle (18), setting is controlled by holding handle (18) and is supplied in the intracorporal inlet valve of hand-held gun (19) to rotation cup ontology Material.

5. a kind of rotating cup spray gun of hand-held according to claim 4, it is characterised in that: the hand-held gun body includes handle (20) and gun housing (21), the gun housing (21) and handle (20) are connected to form integral structure, and the handle (18) is hinged on rifle On shell (21) and the connecting rod (22) by being equipped with is connect with inlet valve (19).

6. -3,5 described in any item a kind of rotating cup spray guns of hand-held according to claim 1, it is characterised in that: the rotation cup sheet Body includes shell and rotation cup attachment base (8) that mutual fastening forms internal cavity, is equipped with bearing block (9) in the internal cavity；It is described Rotation cup atomizer (1) is plugged in bearing block (9) and the bearing (10) by being arranged in bearing block (9) and bearing block (9) turn Dynamic connection revolves cup atomizer (1) and constitutes cyclic annular crack with the opening of shell.

7. a kind of rotating cup spray gun of hand-held according to claim 6, it is characterised in that: the bearing block (9) is equipped with For the channel that rotation cup atomizer (1) passes through, the one end of the channel expands the A ring-type to be formed and be contacted with shell and expands chamber (11), separately It expands the B ring-type to be formed and be contacted with rotation cup attachment base (8) and expands chamber (12) in one end；The rotation cup atomizer (1) is far from oil spout one It holds that channel is expanded in chamber (11) insertion channel and passed through from A ring-type and is arranged and is passed in the power mechanism that B ring-type is expanded in chamber (12) Dynamic connection.

8. -3,5 described in any item a kind of rotating cup spray guns of hand-held according to claim 1, it is characterised in that: the rotation cup mist Changing device (1) includes cup disk (101) interconnected and the shaft (102) with the power mechanism transmission connection in pneumatic rotation cup, institute Annular element (2) are stated to be arranged on cup disk (101)；It is close in the cup disk (101) to be equipped with cyclic annular installation with shaft (102) junction Slot (4), the ring-type mounting groove (4) is interior to be equipped with a point oily cap (5).

9. a kind of rotating cup spray gun of hand-held according to claim 6, it is characterised in that: on the rotation cup attachment base (8) Oily stick (13) are penetrated equipped with being inserted into rotation cup atomizer (1) from shaft (102) one end；The shell is and revolves cup attachment base (8) It connects and bearing block (9) is against the gas cap (23) in rotation cup attachment base (8), the gas cap (23) is far from bearing block (9) side Equipped with the opening for forming cyclic annular crack with annular element.

10. a kind of rotating cup spray gun of hand-held according to claim 6, it is characterised in that: on the rotation cup attachment base (8) Be additionally provided with expand that chamber (12) is connected to B ring-type be rotated into air flue (14) and rotation exhaust duct (15)；The high pressure gas is logical It crosses and is rotated into air flue (14) and is expanded in chamber (12) into B ring-type and propulsion power mechanism drives the rotation cup atomizer (1) to rotate； The power mechanism is wind rotor (17)；It is additionally provided on the rotation cup attachment base (8) between bearing block (9) outside and shell Cavity connection injection air intake duct (16)；The high pressure gas is entered in shell by injection air intake duct (16) and is pressed from both sides from ring-type It is sprayed in seam.