CN105960310A - Auto-feed device for feeding media to blasting machine - Google Patents
Auto-feed device for feeding media to blasting machine Download PDFInfo
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- CN105960310A CN105960310A CN201480074920.6A CN201480074920A CN105960310A CN 105960310 A CN105960310 A CN 105960310A CN 201480074920 A CN201480074920 A CN 201480074920A CN 105960310 A CN105960310 A CN 105960310A
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- Prior art keywords
- hole
- pressure
- chamber
- medium
- closing device
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C7/00—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts
- B24C7/0046—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a gaseous carrier
- B24C7/0053—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a gaseous carrier with control of feed parameters, e.g. feed rate of abrasive material or carrier
- B24C7/0061—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a gaseous carrier with control of feed parameters, e.g. feed rate of abrasive material or carrier of feed pressure
Abstract
A device for continuously feeding media from an unpressurised container to a pressurised chamber without depressurising the chamber is described. The device comprises a cylinder having two chambers defined by a top wall, and bottom wall, and a dividing wall intermediate the top and the base walls. The top wall comprises an inlet aperture for inlet of media and a pressure equalisation aperture. The dividing wall comprises an inlet aperture for receipt of media from the first chamber and a pressure equalisation aperture in fluid communication with a first pressure equalisation conduit that extends from the second aperture to a top of the first chamber. The bottom wall comprises an inlet aperture for supply of media to the blasting machine and a pressure equalisation aperture in fluid communication with a second pressure equalisation conduit that extends from the pressure equalisation aperture to a top of the second chamber. Closure means associated with the inlet and pressure equalisation apertures in the top, dividing and bottom walls, are provided, each closure means being adapted to open and close the apertures in sequence in which the pressure equalisation aperture is opened prior to the inlet aperture aperture.
Description
Technical field
The present invention relates to a kind of device for medium is supplied to sandblasting machine, described sandblasting machine is for carry out for surface
Cleaning purpose and spray the particular medium type to this surface.
Background technology
The sandblasting machine of above-mentioned reference type is known, and generally comprises the tank/storage tank for medium, air/medium
Mixing chamber and nozzle, in air/medium mixing chamber, medium mixes with compressed air, then accelerates into pipeline, nozzle
It is in fluid communication with mixing chamber, for medium/air mixture is guided to pending surface.The machine of above-mentioned reference type exists
Described in the International Patent Application PCT/EP2007/002421 of applicant.In order to make this machine properly functioning, especially for reality
Existing medium is delivered to mixing chamber continuously and smoothly from storage tank/tank, it is necessary to the pressure between equilibrium tank and mixing chamber.At PCT/
In EP2007/002421, this is by using pressure equalization conduit to realize, and this pressure equalization conduit provides pressurization mixing chamber and Jie
Fluid communication between matter tank inside, so that pressurize to this tank.Use this setup problematically, when should
When tank needs to refill medium, it is necessary to closing machine, otherwise when opening this tank, can by tank pressure discharge, therewith by
Make the pressure in mixing chamber discharge in pressure equalization conduit.
It is an object of the invention to overcome this problem.
Summary of the invention
By providing a kind of Automatic-feeding equipment with two chambers, the first chamber is for from outside (that is, from hopper)
Receiving medium, the second chamber is for receiving medium from described first chamber and described medium is transported to pressure environment, such as
Tank/the storage tank of sandblasting machine (blasting machine), the present invention has solved problem mentioned above.Described equipment includes
For equalizing the pressure equalization means of the pressure between described tank and the second chamber and between the second chamber and the first chamber.
Therefore, when described first chamber receives medium from external source, described first chamber will be under ambient pressure, and the second chamber
By pressurized.Before described medium is transported to the second chamber, described pressure equalization means will equilibrium the first chamber and second
Pressure between chamber so that two chambers are under ambient pressure.Therefore, the conveying between two chambers will not be by
Pressure differential between two chambers and be suppressed.When receiving medium, described pressure equalization means will equilibrium the second chamber
And the pressure between pressure medium tank, so that described second chamber is pressurized.One is pressurized, and described medium can be from the second chamber
Room is transported to medium tank/storage tank.Described pressure equalization means includes the pressure equalization conduit being positioned at chamber, and provides from chamber
Hole in bottom room is to the fluid communication being located on or near between the certain point of chamber roof.This means described pressure equilibrium dress
Put and can be positioned at device interior, thus avoid and use the exterior tube connecting chamber.The outlet of described pressure equalization conduit is positioned at
The fact that chamber roof mean during pressure equalization step, do not affect medium, it is ensured that medium is from a chamber
Stablize and flow to next chamber uninterruptedly.
Therefore, in a first aspect of the present invention, present invention generally provides a kind of for by material/medium from having the
Second environment that the first environment of one pressure is transported to have the second pressure and not material change's second environment and/or first environment
In the equipment of pressure, such as, medium never pressurizing vessel (such as hopper) is continuously fed into compression chamber (such as sandblasting machine
Pressurized canister) and do not reduce the pressure of this compression chamber, described equipment includes:
There is the cylinder of two chambers, said two chamber by roof, diapire and between described roof and diapire it
Between partition wall limited；
Roof, including the charging hole entered for medium and pressure equalisation hole；
Partition wall, including for receiving the charging hole of medium and connecting with the first pressure equalization conduit fluid from the first chamber
Logical pressure equalisation hole, described first pressure equalization conduit extends to the top of the first chamber from second hole；
Diapire, including for being supplied to the charging hole of sandblasting machine and being in fluid communication with the second pressure equalization conduit by medium
Pressure equalisation hole, described second pressure equalization conduit extends to the top of the second chamber from pressure equalisation hole；
First closing device, it associates with the charging hole in described roof；
Second closing device, the charging hole in described partition wall and pressure equalisation hole, and be applicable in order
Opening and closing described hole, wherein said pressure equalisation hole is opened prior to described charging hole, and
3rd closing device, the charging hole in described diapire and pressure equalisation hole, and be applicable to beat in order
Open and close described hole, wherein said pressure equalisation hole is opened prior to described charging hole.
Generally, described equipment includes for described first closing device, the second closing device and the 3rd closing device
Driving means, described driving means is arranged to drive closing device, in order to drive described first closing device and the 3rd
Closing device closes the hole in roof and diapire, simultaneously drives the hole that described second closing device is opened in partition wall.Described
Driving means includes the pair of cams being installed to drive shaft, rotates with drive shaft for the axis around described drive shaft, its
In the first cam be operatively connected with described first closing device and the 3rd closing device, described second cam and second Guan Bi
Device is operatively connected.Suitably, described driving means includes the motor for making drive shaft rotate.Described driving means is general
It is arranged on above upper chamber.
Preferably, one or two drive rod including being positioned at pressure equalization conduit in described closing device.Therefore,
Can use be arranged in described equipment bar operation closing device, thus without be susceptible to corrosion and reveal exterior tube with
And the hole in equipment sidewall.Further, described pressure equalization conduit provides the device for counterpressure between the chambers, and
And also protect drive rod and do not damaged by medium.
Generally, described closing device includes the closed shape (closure) being arranged on drive rod end, wherein said Guan Bi
Body and drive rod are arranged in described equipment so that the rising of described drive rod drives closed shape to connect with this hole below hole
Close.This provides the particularly effective device closing closed pore when there is high operating pressure.
Suitably, the closing device of the charging hole in described partition wall and pressure equalisation hole includes driving with first
Two closed shapes that bar is operatively connected, wherein said first drive rod is arranged in the first pressure equalization conduit.
Generally, the pressure during described first drive rod extends through roof, the first pressure equalization conduit and partition wall is equal
Weighing apparatus hole, and put in described second chamber, wherein said two closed shapes connect with the first drive rod operability below partition wall
Connect.
The closing device of described charging hole in diapire and pressure equalisation hole includes and the second drive rod operability
Two closed shapes connected, wherein said second drive rod is arranged in the second pressure equalization conduit.
Generally, the pressure during described second drive rod extends through roof, partition wall, the second pressure equalization conduit and diapire
Power balancing hole, and put in described second chamber, wherein said two closed shapes below diapire with the second drive rod operability
Connect.
Preferably, described or each closed shape includes the cone-shaped component engaged from below with hole, it is generally desirable to frustoconical
Component.
In one embodiment, described drive rod, it is generally desirable to the base of described drive rod, including transverse arm, Qi Zhong
One closed shape is installed to the bottom of this bar, and the second closed shape is installed to transverse arm with the relation spaced apart with the first closed shape
On.Generally, described first closed shape is arranged to closing presure balancing hole, and described second closed shape is arranged to close
Close charging hole.
Generally, by the fixing device of elastically deformable, such as helical spring, described second closed shape is installed to laterally
On arm.It is desirable that described second closed shape is so arranged relative to the first closed shape so that when promoting described drive rod, described
Second closed shape engaged its corresponding hole before described first closed shape engages its corresponding hole.In this way, when carrying
When rising described drive rod, described second closed shape will close charging hole, and the most described pressure equalisation hole remains to be opened.Equally
Ground, when described drive rod declines, the front opening that described pressure equalisation hole will be opened at charging hole.This achieves with in order
Mode carries out opening and closing of hole, thus realizes opening at plup inlet and equalizing before pumped (conveying) medium between the chambers
Pressure between chamber.
In one embodiment, described first pressure equalization conduit extends the length of the first chamber and includes being positioned at or adjacent
The hole at nearly conduit top.
In one embodiment, described second pressure equalization conduit extend the first chamber and the length of the second chamber and
Including the hole at or adjacent to the second chamber roof.
Suitably, described equipment includes the feed space above the first chamber, is used for medium from uninflated media Containers
(such as hopper) guides the charging hole of roof into.Preferably, the top of described feed space include for non-pressure medium container
The device that export operation connects.
Generally, described equipment includes being arranged on the delivery chamber below the second chamber, for receiving from described second chamber
Medium and guide the medium received into described pressure environment.
Suitably, described first environment is under ambient pressure, the most unencapsulated container or hopper.
Generally, described second environment is pressurization, and such as compression chamber, such as pressurized canister or the mixing chamber of sandblasting machine.
Preferably, described compression chamber is the pressurized canister of sandblasting machine.Therefore, the equipment of the present invention can be used for supplying medium continuously
Feed the pressurized canister of sandblasting machine and do not reduce the pressure of described pressurized canister.When this makes sandblasting machine can use the longest one section continuously
Between, and refill medium tank without closing machine.
In another embodiment, described compression chamber is the mixing chamber of sandblasting machine.In this embodiment, the equipment of the present invention is used
As the quantitative supply device of sandblasting machine, medium never pressurized canister continuous and quantitative is fed to the mixed of sandblasting machine by wherein said device
Close room.
In another embodiment, the invention provides a kind of sandblasting machine, it is the type with the pressurized canister for medium,
Described machine includes:
Pressurized canister for medium；
For the mixing chamber that medium is mixed with compressed air；
Quantitative supply device, it is applicable to receive medium from described pressurized canister and described medium rationing is entered mixing
Room；
Nozzle, it is applicable to receive medium and compressed-air actuated mixture from described mixing chamber and drawn by described mixture
It is directed at pending surface；And
According to equipment of the present invention, described equipment is for being continuously fed into pressurized canister by medium never pressurizing vessel.
In another embodiment, the invention provides a kind of sandblasting machine, including:
Tank for medium；
For the mixing chamber that medium is mixed with compressed air；
Quantitative supply device, it is applicable to receive from the medium of described tank and contracted by described medium rationing entrance pressure
The supply line of air；And
Nozzle, it is applicable to receive medium and compressed-air actuated mixture and guide described mixture to pending
Surface；
Wherein said quantitative supply device includes that, according to equipment of the present invention, described equipment is arranged to medium
It is fed into continuously compressed-air actuated supply line from described tank.
In another aspect, the invention provides a kind of for medium is supplied continuously from the first environment with the first pressure
The method being given to have the second environment of the second pressure, such as, be supplied to compression chamber from uninflated media Containers, wherein said
Method uses equipment of the present invention, said method comprising the steps of:
-drive the closed shape in described roof, to open described hole and to allow quantitative medium to fall in the first chamber,
Charging hole and pressure equalisation hole in wherein said partition wall are closed by closing device, and wherein said first chamber
In pressure be ambient pressure；
-drive the closed shape in described roof to close described hole；
-drive the charging hole in described partition wall and the closing device of pressure equalisation hole, to open institute in order
Stating hole, wherein said pressure equalisation hole is opened prior to described charging hole, thus the just quantitative medium in described first chamber
Before falling into the second chamber, the pressure in described second chamber and the equilibrium of the pressure in the first chamber；
-drive the charging hole in described partition wall and the closing device of pressure equalisation hole, to close described hole；With
And
-drive described charging hole in diapire and the closing device of pressure equalisation hole, described to open in order
Hole, wherein said pressure equalisation hole is opened prior to described charging hole, thus the quantitative medium in described second chamber falls into and adds
Before pressure chamber, the pressure in described second chamber is Jun Heng with the pressure in compression chamber.
In this manual, term " uninflated " represents ambient pressure.In this manual, term " pressurization " represents
Pressure is significantly greater than ambient pressure, such as 0.1 to 20.0Bar, and more typically, 0.5 arrives 10Bar.
Although the embodiment of invention as described herein relates generally to a kind of for medium never pressure environment being supplied continuously
It is given to the equipment of pressure environment, but it is understood that, it can be equally used for being supplied to not add from pressure environment by medium
In pressure ring border, or between the environment under high pressure with different pressures or there is feeding medium between the lower pressure environment of different pressures.
In this manual, term " medium " is directed primarily to represent the medium for jeting surface, such as sand or carbonic acid
Calcium, but, this term is also contemplated by other flowable material, such as powder, fragment, granule, microgranule, granule etc..
The invention still further relates to a kind of have second for being continuously fed into from the first environment with the first pressure by medium
The second environment of pressure and the equipment of the not pressure in material change's second environment, described equipment includes:
Cylinder, its have be limited between roof and partition wall intermediate cavity, limited by described partition wall and diapire
Lower chambers and be arranged on the top chamber above described intermediate cavity；
Roof, including charging hole and pressure equalisation hole, described charging hole is for the entrance of medium；
Partition wall, including charging hole and pressure equalisation hole, described charging hole is for from described first chamber accepting medium；
Diapire, including charging hole and pressure equalisation hole, described charging hole is for being supplied to sandblasting machine by medium；
First closing device, it associates with the charging hole in described roof, and includes the first drive rod and closed shape,
Described drive rod extends through pressure equalisation hole, described closed shape and the first drive rod from top chamber and is operatively connected, and is used for
Close described charging hole；
First conduit, its pressure equalisation hole from described partition wall extends through the guide hole in roof；
Second closing device, it associates with the charging hole in described partition wall and pressure equalisation hole, and includes second
Drive rod and closing device, described second drive rod is arranged in the first conduit, described closing device and the second drive rod
Bottom is operatively connected, for closing the charging hole in described partition wall and pressure equalisation hole；
Second conduit, its pressure equalisation hole from described diapire extends through the guide hole in partition wall and roof,
And
3rd closing device, it associates with the charging hole in described diapire and pressure equalisation hole, and includes that the 3rd drives
Lever and closing device, described 3rd drive rod is arranged in the second conduit, described closing device and the end of the 3rd drive rod
Portion is operatively connected, for closing the charging hole in described roof and pressure equalisation hole.
Generally, described top chamber includes central lumen and peripheral chamber, and described central lumen is used for receiving medium also
And the charging hole that medium is supplied in roof, it is indoor that the top of wherein said drive rod arranges peripheral cavity.
Suitably, described equipment includes that the driving means for described closing device, described driving means arrange top chamber
The peripheral cavity of room is indoor.
Generally, described driving means includes two cams being installed to drive shaft, and wherein the first cam closes with described first
Locking device and the 3rd closing device are operatively connected, and the second cam is operatively connected with described second closing device.
Accompanying drawing explanation
Referring to the drawings, according to the following description to some embodiments of the present invention, the present invention be will be more clearly understood, its
In:
Fig. 1 is the sectional view according to Automatic-feeding equipment of the present invention, and its two chambers of display are all empty；
Fig. 2 is the detailed figure of the Automatic-feeding equipment in Fig. 1, and the charging hole in its display roof and diapire is to close
, the charging hole in partition wall is then opened；
Fig. 3 is the sectional view of the Automatic-feeding equipment in Fig. 1, and it shows that the first chamber is mounted with quantitative medium；Separate
Charging hole in wall is to close, and the pressure equalization conduit in partition wall is then opened, to realize the first chamber and second
Pressure equilibrium between chamber；
Fig. 4 is the detailed figure of the Automatic-feeding equipment in Fig. 3；
Fig. 5 is the detailed figure of the Automatic-feeding equipment in the Fig. 3 shown from different perspectives, and the hole in its display partition wall is
Open, and the Kong Ze in roof and diapire is to close；
Fig. 6 is the sectional view of the Automatic-feeding equipment in Fig. 1, and it shows that the first chamber is empty, and the second chamber is mounted with
Medium, the charging hole in partition wall opens, and the charging hole in diapire is to close, and the pressure equalisation hole in diapire is
Open；
Fig. 7 is the detailed figure of the Automatic-feeding equipment in Fig. 6, its display have in the second chamber quantitative medium and
Feed space above the first chamber has quantitative medium；
Fig. 8 is the detail view of the Automatic-feeding equipment in Fig. 6, and the hole in its display partition wall is to close, and in diapire
Pressure equalisation hole then open, to equalize the pressure between the charging in the second chamber and diapire and discharge opening, with permit
Permitted quantitative medium to fall in discharge chamber；
Fig. 9 is the profile of the Automatic-feeding equipment in Fig. 1, its display roof in charging hole be open and first
Chamber has quantitative medium, and the charging hole in diapire is opened and has quantitative medium in discharge chamber；
Figure 10 shows a kind of spraying system, including sandblasting machine, for the hopper of medium and according to of the present invention
Equipment；And
Figure 11 shows a kind of sandblasting machine, and it uses according to equipment of the present invention as quantitative supply device.
Detailed description of the invention
With reference to accompanying drawing, and with reference first to Fig. 1 and Fig. 2, it illustrates for medium never pressurizing vessel is supplied continuously
Being given to the equipment of pressurised chamber, this equipment is mainly represented by reference 1.In the present case, this equipment is for for from material
Bucket (not shown) is by the Automatic-feeding equipment of medium supply to the pressurized canister of sandblasting machine (not shown), and this sandblasting machine is at PCT/
Type described in EP2007/002421.Equipment 1 include the main body 2 of generic cylindrical, described main body 2 have roof 3,
Diapire 4 and partition wall 5, wherein roof 3 and partition wall 5 limit the first chamber 6, partition wall 5 and diapire 4 and limit the second chamber
Room 7.Feed space 8 is arranged on above the first chamber, and is applicable to the outlet with hopper and engages.Discharge chamber 9 is arranged on the second chamber
Below room, and in use, it is adaptable to engage with the pressurized canister inlet seal of sandblasting machine.
With particular reference to Fig. 2, roof 3 includes medium charging hole 10 and the pressure equalisation hole 11 stayed open and can be by
Driving the closing device opening and closing hole 10, closing device includes drive rod 12, transverse arm 14 and taper enclosed member
15, drive rod 12 extends through the pressure equalisation hole in roof 3, and taper enclosed member 15 is installed to laterally by helical spring 16
Arm.
With particular reference to Fig. 1 and 7, partition wall 5 includes medium charging hole 20 and pressure equalisation hole 21 and can be driven
Opening and closing the closing device in hole 20 and 21 in order, closing device includes drive rod the 22, first taper enclosed member
23, transverse arm 24 and the second taper enclosed member 25, the first taper enclosed member 23 is installed to the bottom of bar 22, the second taper
Enclosed member 25 is installed to transverse arm by helical spring 26.Pressure equalization conduit 27 is set, with by the hole 28 in conduit 27
Fluid communication between the top of second chamber the 7 to the first chamber 6 is provided.Pressure equalization conduit 27 extends through roof 3, and
And drive rod 22 is arranged in pressure equalization conduit.One sealing member (not shown) is arranged in the top of pressure equalization conduit,
To allow mobile drive rod not change the pressure in conduit.
With particular reference to Fig. 1 and 2, diapire 4 includes medium charging hole 30 and pressure equalisation hole 31 and can be driven to
In order open and close hole 30 and 31 closing device, closing device include drive rod the 32, first taper enclosed member 33,
Transverse arm 34 and the second taper enclosed member 35, the first taper enclosed member 33 is installed to the bottom of bar 32, and the second taper is closed
Close component 35 and be installed to transverse arm by helical spring 36.Pressure equalization conduit 37 is set, to be carried by the hole 38 in conduit 37
For the fluid communication between the top of the 3rd chamber the 9 to the second chamber 7.Pressure equalization conduit 37 extend through partition wall 5 with
And roof 3, and drive rod 32 is arranged in pressure equalization conduit.One sealing member (not shown) is arranged on pressure equalization conduit
Top in, to allow mobile drive rod not change the pressure in conduit.
In practice, roof, partition wall and diapire will have generally concave shape, to guarantee that medium is towards corresponding charging hole
Fall into.
It is a significant aspect of the present invention that by medium before a chamber is transported to another chamber, equalize two
Pressure between chamber.Pressure is not had to equalize, it is then not possible to carry out the conveying of medium.It is positioned at the feed space above the first chamber to lead to
Often be always under ambient pressure, and be positioned at discharge chamber below the second chamber (its in the above-described embodiments with pressure medium tank
Fluid communication) will be the most pressurized (that is, the pressure of X to Y).Therefore, when the first chamber comprises quantitative medium, it will be in
Under ambient pressure, and the second chamber is by pressurized.In order to medium is transported to the second chamber from the first chamber, need to open separation
Pressure equalisation hole 21 in wall 5, charging hole 20 remains (as shown in Fig. 3 and 4) of closedown simultaneously, to realize between two chambers
Pressure equilibrium.By being arranged in the hole 28 in conduit 27 in the top of the first chamber, being positioned at above WATER AS FLOW MEDIUM plane, pressure is equal
Weighing apparatus conduit 27 ensure that medium in the first chamber during pressure equalizes not by excessive interference.Once pressure equalizes (in reality
In, this is almost instantaneous generation), then open charging hole, to allow medium to fall in the second chamber 7.
Therefore, the closing device for hole described in roof, diapire and partition wall is necessary to ensure that this some holes is beaten in order
Open and close, wherein it is first turned on pressure equalisation hole, opens charging hole afterwards, in practice, charging hole is opened immediately.This
By using drive rod and two closed shapes being operatively connected with this bar to realize, for the first Guan Bi of pressure equalisation hole
Body is fixed to this bar, and to move with this bar, the second closed shape for charging hole is fixed to this bar by transverse arm, and
Be fixed to this arm by the resiliency deformable members biased towards extended position, such as, by spring, such as helical spring, it allows bar
And the relative motion between closed shape.Therefore, when all corresponding with them hole of two closed shapes engages, bar move down meeting
First closed shape is removed the position engaged with pressure equalisation hole, and the second closed shape will be with charging due to the bias of spring
Hole remains engaged with, until spring is fully deployed, at this point, further moves down and will open charging hole.By this side
Formula, it is achieved that temporally and sequentially open this some holes.
This equipment also includes controlling device, for controlling the closing device associated with roof, partition wall and diapire.Can make
With various control devices, including the cam mechanism controlled by processor or motor, its details and structure are art technology
Well known to personnel, will not be described in further detail herein.The opening and closing order of the closing device associated with three walls
Approximately as:
In 1st stage: when process starts, the closed shape associated with roof and diapire will be Guan Bi, and and partition wall
Relevant closed shape then will be opened.In the structure shown here, the first chamber and the second chamber are the most pressurized.Medium is positioned at first
In feed space above chamber (Fig. 1 and 2).
2nd stage: be first shut off the closed shape associated with partition wall, then open the Guan Bi associated with roof and diapire
Body.In the structure shown here, the first chamber is the most pressurized, and the second chamber is pressurized.Medium will fall in the first chamber (Fig. 3 and
4)。
In 3rd stage: be first shut off the closed shape relevant to roof and diapire, next opens the Guan Bi relevant to partition wall
Body.In the structure shown here, the first chamber and the second chamber are the most pressurized, and medium will fall in the second chamber (Fig. 5,6 and
7)。
In 4th stage: be first shut off the closed shape associated with partition wall, next opens the Guan Bi associated with roof and diapire
Body.Before this quantitative medium falls into discharge chamber, the second chamber can be pressurized.Meanwhile, quantitative medium can fall from feed space
Enter in the first chamber, two chambers the most pressurized (Fig. 8 and 9).
It is sequentially repeated these steps will make it possible to medium never pressurizing vessel (i.e. hopper) is continuously fed into sandblasting
The pressurized canister of machine, and do not affect the operating pressure in this tank.
With reference to Figure 10, it illustrates according to spraying system of the present invention, it is mainly represented by reference 50,
And including there is the sandblasting machine of pressure medium tank 51, quantitative supply device and mixing chamber 52, being fed into mixing by forced air
Close the pressure fluid line 53 of room 52, lead to the pressure medium supply line 54 of nozzle 55.Pressure equalization conduit (not shown) is arranged on
Between tank 52 and mixing chamber 52.Hopper 56 is provided for accommodating medium, and hopper has outlet 57, and medium is fed into the present invention by it
Automatic-feeding equipment 58 in.In use, medium is fed into Automatic-feeding equipment 58 continuously from hopper 56, Automatic-feeding
Quantitative medium is fed in pressure medium tank 51 by equipment, and does not make the pressure causing any essence in this tank decline,
Then make sandblasting machine can continue to run, fill this tank simultaneously.
With reference to Figure 11, describe the alternate embodiment of the present invention, wherein describe similar part with reference to previous embodiment
Give identical reference.In this embodiment, the Automatic-feeding equipment of the present invention is as the rationing for sandblasting machine
Device uses, and is fed in mixing chamber 59 so that medium never to add pressurizing hopper 56.In use, the filling apparatus of the present invention is when quantitatively
Supply and metering device, for entering medium the pressurization mixing chamber 59 of sandblasting machine from hopper 56 rationing.Determining of medium
Amount delivery rate can control by changing the time opening and closing hole, to accelerate or to slow down rationing speed as required
Rate.
The invention is not restricted to examples described above, it is without departing from the spirit of the invention, can structure with
And be changed in details.
Claims (20)
1. one kind is used for medium is continuously fed into the second environment with the second pressure from the first environment with the first pressure
And the equipment (1) of the not pressure in material change's second environment, described equipment includes:
Having the cylinder of two chambers, said two chamber is by roof (3), diapire (4) and between described roof and diapire
Between partition wall (5) limited；
Roof (3), including the charging hole (10) entered for medium and pressure equalisation hole；
Partition wall (5), including for from first chamber receive medium charging hole (20) and with the first pressure equalization conduit
(27) pressure equalisation hole (21) being in fluid communication, described first pressure equalization conduit (27) extends to the first chamber from second hole
(6) top；
Diapire, including for medium is supplied to sandblasting machine charging hole (30) and with the second pressure equalization conduit (37) fluid
The pressure equalisation hole (31) of connection, described second pressure equalization conduit (37) extends to the second chamber (7) from pressure equalisation hole
Top；
First closing device, it associates with the charging hole (10) in described roof (3)；
Second closing device, the charging hole in described partition wall (5) and pressure equalisation hole (20,21), and be applicable to
Opening and closing described hole in order, wherein said pressure equalisation hole is opened prior to described charging hole, and
3rd closing device, the charging hole in described diapire (4) and pressure equalisation hole (30,31), and be applicable to by
Order opens and closes described hole, and wherein said pressure equalisation hole is opened prior to described charging hole.
Equipment the most according to claim 2, closes including for described first closing device, the second closing device and the 3rd
The driving means of locking device, described driving means is arranged to drive closing device, in order to drive described first closing device
And the 3rd closing device close the hole in roof and diapire, simultaneously drive described second closing device and open in partition wall
Hole.
Equipment the most according to claim 1 and 2, one or two in wherein said closing device include drive rod (32,
22) in, described drive rod (32,22) its partial-length is positioned at pressure equalization conduit (37,27).
Equipment the most according to claim 3, wherein said closing device includes the closed shape being arranged on drive rod end,
Wherein said closed shape and drive rod are arranged in described equipment so that the rising of described drive rod drives closed shape from hole
Side engages with this hole.
Equipment the most according to claim 4, wherein the closing of the charging hole in the described partition wall and pressure equalisation hole
Locking device includes two closed shapes (23,25) being operatively connected with the first drive rod (22), wherein said first drive rod peace
It is contained in the first pressure equalization conduit.
Equipment the most according to claim 5, wherein said first drive rod (22) extends through roof (3) and is dividing
Pressure equalisation hole (21) in next door (5), and put in described second chamber, wherein said two closed shapes (23,25) are being divided
It is operatively connected with the first drive rod below next door.
Equipment the most according to claim 4, wherein said charging hole in diapire and the Guan Bi of pressure equalisation hole
Device includes that two closed shapes (33,35) being operatively connected with the second drive rod (32), wherein said second drive rod are installed
In the second pressure equalization conduit.
Equipment the most according to claim 7, wherein said second drive rod (32) extend through roof, partition wall and
Pressure equalisation hole (31) in diapire (4), and put in described second chamber, wherein said two closed shapes (33,35) exist
It is operatively connected with the second drive rod below diapire.
9., according to the equipment described in claim 4 or 5, wherein said closed shape (23,25,33,35) includes connecing with hole from below
The cone-shaped component closed.
10. according to equipment in any one of the preceding claims wherein, including the feed space (8) of described first chamber (6) top,
For medium to be guided into the charging hole of roof from described first environment.
11. according to equipment in any one of the preceding claims wherein, including the conveying being arranged on described second chamber (7) lower section
Chamber (9), described delivery chamber (9) is for receiving medium from described second chamber and the medium received being guided into described the
Two environment.
12. according to equipment in any one of the preceding claims wherein, wherein said second environment is the pressurized canister of sandblasting machine.
13. according to equipment in any one of the preceding claims wherein, and wherein said second environment is the mixing chamber of sandblasting machine.
14. 1 kinds of sandblasting machines (1), it is the type with the pressurized canister for medium, and described machine includes:
Pressurized canister (51) for medium；
Quantitative supply device (52), it is applicable to receive medium from described pressurized canister and contracted by described medium rationing entrance pressure
The supply line (53) of air；
Nozzle (55), it is applicable to receive medium and compressed-air actuated mixture and guide described mixture to pending
Surface；And
According to the equipment (1) according to any one of claim 1-10, wherein said first environment is non-pressurizing vessel or hopper,
Described second environment is pressurized canister.
15. 1 kinds of sandblasting machines (50), including:
Tank (51) for medium；
For the mixing chamber (59) that medium is mixed with compression fluid；
Quantitative supply device (58), it is applicable to receive medium from described tank and described medium rationing is entered mixing chamber；
Nozzle (55), it is applicable to receive medium and the mixture of compression fluid and guide described mixture to pending
Surface；
Wherein said quantitative supply device (58) includes according to the equipment according to any one of claim 1-11, wherein said
One environment is the tank for medium, and described second environment is mixing chamber.
16. 1 kinds of second environments for being continuously fed into from the first environment with the first pressure by medium with the second pressure
And the method for not material change's second environment pressure, wherein said method uses according to according to any one of claim 1-13
Equipment, said method comprising the steps of:
Drive the closed shape in described roof, to open described hole and to allow quantitative medium to fall into from described first environment
In one chamber, charging hole and pressure equalisation hole in wherein said partition wall are closed by closing device, and wherein institute
Stating the pressure in the first chamber is ambient pressure；
Drive the closed shape in described roof to close described hole；
Drive the charging hole in described partition wall and the closing device of pressure equalisation hole, to open described in two in order
Hole, wherein said pressure equalisation hole is opened prior to described charging hole, thus just the quantitative medium in described first chamber falls
Before entering the second chamber, the pressure in described second chamber and the equilibrium of the pressure in the first chamber；
Drive the charging hole in described partition wall and the closing device of pressure equalisation hole, to close described hole；And
Drive described charging hole in diapire and the closing device of pressure equalisation hole, to open hole described in two in order,
Wherein said pressure equalisation hole is opened prior to described charging hole, thus just the quantitative medium in described second chamber falls into
Before two environment, the pressure in described second chamber is Jun Heng with the pressure in compression chamber.
17. 1 kinds of second environments for being continuously fed into from the first environment with the first pressure by medium with the second pressure
And the equipment of the not pressure in material change's second environment, described equipment includes:
Cylinder, its have be limited between roof and partition wall intermediate cavity, limited down by described partition wall and diapire
Chamber and be arranged on the top chamber above described intermediate cavity；
Roof, including the charging hole entered for medium and pressure equalisation hole；
Partition wall, including charging hole and pressure equalisation hole, described charging hole is for from described first chamber accepting medium；
Diapire, including charging hole and pressure equalisation hole, described charging hole is for being supplied to sandblasting machine by medium；
First closing device, it associates with the charging hole in described roof, and includes the first drive rod and closed shape, described
Drive rod extends through pressure equalisation hole from top chamber, and the bottom of described closed shape and the first drive rod is operatively connected, and uses
In closing described charging hole；
First conduit, its pressure equalisation hole from described partition wall extends through the guide hole in roof；
Second closing device, it associates with the charging hole in described partition wall and pressure equalisation hole, and includes the second driving
Bar and closing device, described second drive rod is arranged in the first conduit, described closing device and the bottom of the second drive rod
It is operatively connected, for closing the charging hole in described partition wall and pressure equalisation hole；
Second conduit, its pressure equalisation hole from described diapire extends through the guide hole in partition wall and roof；
3rd closing device, it associates with the charging hole in described diapire and pressure equalisation hole, and includes the 3rd drive rod
And closing device, described 3rd drive rod is arranged in the second conduit, the bottom behaviour of described closing device and the 3rd drive rod
The property made connects, for closing the charging hole in described roof and pressure equalisation hole.
18. equipment according to claim 17, wherein said top chamber includes central lumen and peripheral chamber, described
Central lumen is for receiving medium and the charging hole being supplied in roof by medium, and the top of wherein said drive rod is arranged on
Peripheral cavity is indoor.
19. equipment according to claim 18, including the driving means for described closing device, described driving means sets
Put the peripheral cavity in top chamber indoor.
20. equipment according to claim 19, wherein said driving means includes two cams being installed to drive shaft, its
In the first cam be operatively connected with described first closing device and the 3rd closing device, the second cam with described second Guan Bi
Device is operatively connected.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GBGB1322630.3A GB201322630D0 (en) | 2013-12-19 | 2013-12-19 | An auto-feed device for feeding media to a blasting machine |
| GB1322630.3 | 2013-12-19 | ||
| PCT/EP2014/075693 WO2015090874A1 (en) | 2013-12-19 | 2014-11-26 | An auto-feed device for feeding media to a blasting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105960310A true CN105960310A (en) | 2016-09-21 |
Family
ID=50071179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480074920.6A Pending CN105960310A (en) | 2013-12-19 | 2014-11-26 | Auto-feed device for feeding media to blasting machine |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20170036321A1 (en) |
| EP (1) | EP3083143A1 (en) |
| CN (1) | CN105960310A (en) |
| GB (1) | GB201322630D0 (en) |
| WO (1) | WO2015090874A1 (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US699405A (en) * | 1901-12-10 | 1902-05-06 | Ray C Newhouse | Sand-blast. |
| US1605732A (en) * | 1921-12-24 | 1926-11-02 | Herman F Hoevel | Sand-blast machine |
| GB1224649A (en) * | 1967-06-13 | 1971-03-10 | Pangborn Corp | Metal treating device |
| US4439073A (en) * | 1982-04-30 | 1984-03-27 | White Harold J | Filling hole swing valve for sandblasters |
| US5201150A (en) * | 1990-07-24 | 1993-04-13 | Fuji Seiki Machine Works, Limited | Wet abrasive blasting apparatus using pressurized slurry |
| WO2003046421A1 (en) * | 2001-11-22 | 2003-06-05 | The Linden Shield Limited | Temperature-sensitive safety valve assembly |
| CN201833280U (en) * | 2010-09-17 | 2011-05-18 | 安徽俊成艺术玻璃有限公司 | Gas-sand hybrid sandblasting machine |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1369649A (en) * | 1920-01-02 | 1921-02-22 | George A Gieseler | Pneumatic conveying mechanism |
| US3675374A (en) * | 1970-11-09 | 1972-07-11 | Carborundum Co | Direct pressure treating device |
| US4780027A (en) * | 1986-12-10 | 1988-10-25 | Progressive Blasting Systems, Inc. | System for supplying blasting media to a media blasting system |
-
2013
- 2013-12-19 GB GBGB1322630.3A patent/GB201322630D0/en not_active Ceased
-
2014
- 2014-11-26 WO PCT/EP2014/075693 patent/WO2015090874A1/en active Application Filing
- 2014-11-26 US US15/106,788 patent/US20170036321A1/en not_active Abandoned
- 2014-11-26 EP EP14818893.1A patent/EP3083143A1/en not_active Withdrawn
- 2014-11-26 CN CN201480074920.6A patent/CN105960310A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US699405A (en) * | 1901-12-10 | 1902-05-06 | Ray C Newhouse | Sand-blast. |
| US1605732A (en) * | 1921-12-24 | 1926-11-02 | Herman F Hoevel | Sand-blast machine |
| GB1224649A (en) * | 1967-06-13 | 1971-03-10 | Pangborn Corp | Metal treating device |
| US4439073A (en) * | 1982-04-30 | 1984-03-27 | White Harold J | Filling hole swing valve for sandblasters |
| US5201150A (en) * | 1990-07-24 | 1993-04-13 | Fuji Seiki Machine Works, Limited | Wet abrasive blasting apparatus using pressurized slurry |
| WO2003046421A1 (en) * | 2001-11-22 | 2003-06-05 | The Linden Shield Limited | Temperature-sensitive safety valve assembly |
| CN201833280U (en) * | 2010-09-17 | 2011-05-18 | 安徽俊成艺术玻璃有限公司 | Gas-sand hybrid sandblasting machine |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3083143A1 (en) | 2016-10-26 |
| US20170036321A1 (en) | 2017-02-09 |
| GB201322630D0 (en) | 2014-02-05 |
| WO2015090874A1 (en) | 2015-06-25 |
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