CN103331226B - A kind of Automatic clearance powder feeder unit of closed cycle - Google Patents
A kind of Automatic clearance powder feeder unit of closed cycle Download PDFInfo
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- CN103331226B CN103331226B CN201310279254.7A CN201310279254A CN103331226B CN 103331226 B CN103331226 B CN 103331226B CN 201310279254 A CN201310279254 A CN 201310279254A CN 103331226 B CN103331226 B CN 103331226B
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- sealing part
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- 239000000843 powder Substances 0.000 title claims abstract description 389
- 238000007789 sealing Methods 0.000 claims abstract description 125
- 230000020347 spindle assembly Effects 0.000 claims abstract description 100
- 238000004140 cleaning Methods 0.000 claims abstract description 70
- 238000007689 inspection Methods 0.000 claims abstract description 18
- 230000008602 contraction Effects 0.000 claims description 4
- 230000007306 turnover Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 2
- 238000007599 discharging Methods 0.000 abstract description 10
- -1 cleaning tube cell Substances 0.000 abstract 1
- 239000000428 dust Substances 0.000 abstract 1
- 238000005243 fluidization Methods 0.000 description 15
- 238000005507 spraying Methods 0.000 description 15
- 238000003860 storage Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000000889 atomisation Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229940098458 powder spray Drugs 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/04—Conveying materials in bulk pneumatically through pipes or tubes; Air slides
- B65G53/06—Gas pressure systems operating without fluidisation of the materials
- B65G53/10—Gas pressure systems operating without fluidisation of the materials with pneumatic injection of the materials by the propelling gas
- B65G53/14—Gas pressure systems operating without fluidisation of the materials with pneumatic injection of the materials by the propelling gas the gas flow inducing feed of the materials by suction effect
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The present invention relates to a kind of Automatic clearance powder feeder unit of closed cycle, comprise for powder bucket assembly and inner spindle assembly.Minimum 2 controllable sealing parts are provided with for powder bucket assembly or inner spindle assembly, relatively move for powder bucket assembly and inner spindle assembly, obtain corresponding several different block position from inner spindle assembly by relative movement for powder bucket assembly, and sealed for powder bucket assembly and inner spindle assembly in the suction powder mouth side of setting and the sealing station of opposite side by controllable sealing part.By the unlatching of controllable sealing part or close and form different powder, cleaning gas combination of channels, needed for generation for powder, cleaning tube cell, powder pump and to dust and or other application apparatus, discharging, cleaning is for powder bucket component internal, hand inspection duty.Can realize automatically for the switching between powder, cleaning, passage, by controllable sealing part adjusting play, sealing easy to adjust is reliable, clears up simple and convenient, thorough.
Description
[technical field]
The present invention relates to a kind of Automatic clearance powder feeder unit of closed cycle, belong to powder transportation art.
[background technology]
The powder feeder unit of existing semi-automatic clearing function, it is when for powdery state, as shown in Figure 1, elevating mechanism 01 moves downward until powder absorbing pipe 02 inserts in the powder of powder bucket 03, the powder feeding gas of powder pump 011 starts air feed, under the effect of powder feeding gas, powder pump 011 produces vacuum, and the powder through fluidized plate 031 fluidisation in fluidizing bucket 03 is transported to spray gun 06 through powder absorbing pipe 02, powder pump 011, flour extraction pipe 012 under suction function; Meanwhile, the atomization gas air feed of powder pump 011 makes powder reach atomizing effect and is transported to spray gun 06.When clearing up, as shown in Figure 2, powder feeding gas, the atomization gas of powder pump 011 stop air feed, manually remove powder bucket 03, elevating mechanism 01 moves down until powder absorbing pipe 02 inserts in the sealing ring 051 of high pressure cleaning gas bag 05, and high pressure cleaning gas bag 05 is blown into the powder paths between high pressure cleaning gas cleaning powder absorbing pipe 02 to spray gun 06 by its cleaning gas entrance 052 in powder absorbing pipe 02.
There is following shortcoming in this powder feeder unit: 1) powder adsorption pump needs manually to remove powder bucket 03 when clearing up, and powder absorbing pipe 02 outer wall needs labor cleaning, and automaticity is low, and cleaning trouble is complicated.2) powder bucket 03 inwall cannot realize Automatic clearance, needs labor cleaning.
[summary of the invention]
The object of the present invention is to provide a kind of Automatic clearance powder feeder unit of closed cycle, without the need to manual intervention, can realize Automatic clearance tube cell, the cleaning of powder pump and discharge tube or the powder storage such as other application apparatus, confession powder bucket and flow pipe, clears up thorough, easy.
The present invention is achieved by the following technical solution:
An Automatic clearance powder feeder unit for closed cycle, comprising:
One for powder bucket assembly, and the inner chamber for powder bucket assembly hollow forms the container storing powder;
One inner spindle assembly, the top of inner spindle assembly is nested in inside inner chamber, the lateral wall at the top of inner spindle assembly and leave gap between the madial wall inside the inner chamber of powder bucket assembly;
One inhales powder mouth, is arranged on described confession powder bucket assembly, externally supplies powder;
At least 2 controllable sealing parts are arranged on on powder bucket assembly or inner spindle assembly, and a segment distance of being separated by, controllable sealing part is used for closing or opening clearance, by controlling and obtain for powder bucket assembly and the relative movement of inner spindle assembly the several different duty set to the difference of controllable sealing part, described controllable sealing part seals for powder bucket assembly and inner spindle assembly in suction powder mouth one or both sides.
The Automatic clearance powder feeder unit of a kind of closed cycle described above, is characterized in that: arrange opening and inner space for powder bucket component bottom, inner cavity can be stretched into from opening in the top of inner spindle assembly.
The Automatic clearance powder feeder unit of a kind of closed cycle described above, is characterized in that: described suction powder mouth is connected with tube cell, discharge tube or other application apparatus.
The Automatic clearance powder feeder unit of a kind of closed cycle described above, it is characterized in that: described at least 2 controllable sealing parts can be arranged in inhales powder mouth both sides, a controllable sealing part closes or open for the powder in powder bucket assembly to the passage inhaling powder mouth, and another part controllable sealing part closes or open for powder bucket assembly and outside passage.
The Automatic clearance powder feeder unit of a kind of closed cycle described above, is characterized in that: the described outer surface for powder bucket assembly and the cooperation of inner spindle assembly is cylindricality.
The Automatic clearance powder feeder unit of a kind of closed cycle described above, is characterized in that: the lateral wall at the top of described inner spindle assembly and be 0.1mm-20mm for the interstice coverage between the madial wall inside the inner chamber of powder bucket assembly.
The Automatic clearance powder feeder unit of a kind of closed cycle described above, it is characterized in that: compressed gas-driven is passed through in expansion or the contraction of controllable sealing part, or hydraulic-driven or frame for movement drive, realize the lateral wall at the top of inner spindle assembly and supply the closing and opening at diverse location of the gap between powder bucket module inner.
The Automatic clearance powder feeder unit of a kind of closed cycle described above, it is characterized in that: described inner spindle assembly is provided with fluidized plate, discharge channel, discharge valve, described discharge valve is powder discharge valve, and described discharge valve is turnover plate type discharge valve or butterfly valve or hose valves.
The Automatic clearance powder feeder unit of a kind of closed cycle described above, is characterized in that: by controlling the difference of controllable sealing part and making to obtain at least 4 kinds of different duties for powder bucket assembly and the relative movement of inner spindle assembly:
A) for powdery state: a controllable sealing part is positioned to be inhaled above powder mouth, open for the powder in powder bucket assembly to the passage inhaling powder mouth, another part controllable sealing part is positioned to be inhaled below powder mouth, closes for powder bucket assembly and outside passage;
B) tube cell is cleared up, powder pump and discharge tube or other application apparatus state: a controllable sealing part is positioned to be inhaled above powder mouth, close for the powder in powder bucket assembly to the passage inhaling powder mouth, another part controllable sealing part is positioned to be inhaled below powder mouth, closes for powder bucket assembly and outside passage; Pass into compressed air to clear up tube cell, powder pump and discharge tube or other application apparatus;
C) cleaning is for powder bucket component internal state: a controllable sealing part is positioned to be inhaled above powder mouth, opens for the powder in powder bucket assembly to the passage inhaling powder mouth; Another part controllable sealing part is positioned to be inhaled below powder mouth, closes for powder bucket assembly and outside passage, closes and inhale powder mouth and external channel; Pass into compressed air to clear up for powder bucket assembly;
D) hand inspection state: controllable sealing part is in relaxation state, makes to relatively move to complete separation point position for powder bucket assembly and inner spindle assembly, can carry out inspection operation for personnel.
The Automatic clearance powder feeder unit of a kind of closed cycle described above, is characterized in that: at least 2 controllable sealing parts and suction powder mouth are all arranged on on powder bucket assembly, arrange and inhale powder mouth between controllable sealing part.
The Automatic clearance powder feeder unit of a kind of closed cycle described above, is characterized in that: at least 2 controllable sealing parts and suction powder mouth are all arranged on inner spindle assembly, arrange and inhale powder mouth between controllable sealing part.
The Automatic clearance powder feeder unit of a kind of closed cycle described above, is characterized in that: 1 controllable sealing part is arranged on on powder bucket assembly, and another 1 controllable sealing part is arranged on inner spindle assembly, arranges and inhale powder mouth between controllable sealing part.
The present invention compared with prior art has the following advantages:
1. relatively move for powder bucket assembly the several various combination positions obtaining correspondence with inner spindle assembly, and carry out difference Seal and open to for powder bucket assembly with the gap between inner spindle assembly in suction powder mouth both sides by controllable sealing part, and form different combination of channels and be supplied to powder path or Compressed Gas path to realize different states.Structure is simple, can realize automation for the switching between powder, cleaning, outlet openings.
2. supply the gap between powder bucket assembly and inner spindle assembly to be close by controllable sealing part and open, seal reliable No leakage, clear up faster and thorough, can Automatic clearance be realized for powder container, can significantly shorten cleaning required time.
[accompanying drawing explanation]
Fig. 1 is the structural representation of existing powder feeder unit when supplying powdery state.
Fig. 2 is the structural representation of existing powder feeder unit when clearing up.
Fig. 3 is that the present invention is for powder state principle description architecture schematic diagram.
Fig. 4 is that the present invention clears up tube cell, powder pump and discharge tube or other application apparatus state principle description architecture schematic diagram.
Fig. 5 is discharging state principle description architecture schematic diagram of the present invention.
Fig. 6 is that the present invention clears up for powder bucket component internal state principle description architecture schematic diagram.
Fig. 7 is hand inspection state principle description architecture schematic diagram of the present invention.
Fig. 8 is the structural representation of exemplary embodiments one of the present invention when supplying powdery state.
Fig. 9 is exemplary embodiments one of the present invention at the structural representation of cleaning tube cell, powder pump and discharge tube or other application apparatus state.
Figure 10 is the structural representation of exemplary embodiments one of the present invention when discharging state.
Figure 11 is the structural representation of exemplary embodiments one of the present invention when cleaning supplies powder bucket component internal state.
Figure 12 is the structural representation of exemplary embodiments one hand inspection state of the present invention.
Figure 13 is the structural representation of exemplary embodiments two of the present invention when supplying powdery state.
Figure 14 be exemplary embodiments two of the present invention clear up tube cell, powder pump and discharge tube or other application apparatus state time structural representation.
Figure 15 is the structural representation of exemplary embodiments two of the present invention when discharging state.
Figure 16 is the structural representation of exemplary embodiments two of the present invention when cleaning supplies powder bucket component internal state.
Figure 17 is the structural representation of exemplary embodiments two of the present invention in hand inspection state.
[detailed description of the invention]
As Fig. 3, Fig. 4, Fig. 5, Fig. 6, shown in Fig. 7, a kind of Automatic clearance powder feeder unit of closed cycle, comprise for powder bucket assembly 1 and inner spindle assembly 2, the inner chamber of storage powder 6 is set for powder bucket assembly 1 inside, at least twice controllable sealing part 33 is provided with for powder bucket assembly 1 or inner spindle assembly 2, 34, sealing station 31, 32 are separately positioned on the both sides of inhaling powder mouth 131, can relatively move with inner spindle assembly 2 for powder bucket assembly 1, and form different powder by closing or opening of controllable sealing part 33 or 34, cleaning gas combination of channels, thus the duty needed for realizing.
Be provided with for powder bucket assembly and inhale powder mouth 131, inhale powder mouth 131 and be connected with powder spraying system 5.Described powder spraying system 5 comprises tube cell, powder pump and discharge tube or other application apparatus.
Twice controllable sealing part is arranged in inhales powder mouth 131 both sides, and one controllable sealing circle 34 closes for the powder in powder bucket assembly 1 to the passage 42 inhaling powder mouth 131, and one controllable sealing part 33 closes for powder bucket assembly 1 with outside passage 43.
The outer surface 209 that inner spindle assembly 2 and controllable sealing part 33 or 34 coordinate is cylindricality, and the best is cylindrical, and certain non-cylindrical is also passable.
The inner chamber of inner spindle assembly 2 and confession powder bucket assembly 1 reserves the gap of 0.1 ~ 20mm, is convenient to the relative movement realizing inner spindle assembly 2 and supply between powder bucket assembly 1.
Controllable sealing part 33,34 can be compressed gas-driven or hydraulic-driven or other frame for movement and drives, and realizes inner spindle assembly 2 outer surface 209 and closes for the gap between powder bucket assembly 1 inner surface 12 at diverse location and open.
Inner spindle assembly 2 is provided with fluidized plate 204, discharge valve 23, fluidisation air chamber 222 is provided with below fluidized plate 204, made to be in flow regime for the powder 6 of powder bucket assembly 1 inside to fluidisation air chamber 222 by outer introducing fluidized gas 72, the powder mixing of conveying evenly, discharge valve 23 can reclaim for the powder 6 do not used in powder bucket assembly 1 in time when clearing up.
Discharge valve 23 described above is powder discharge valve, and described discharge valve is turnover plate type discharge valve or butterfly valve or hose valves.
Operation principle of the present invention is: relatively moving with inner spindle assembly 2 for powder bucket assembly 1, and form different powder cleaning gas combination of channels by closing or opening of controllable sealing part 33 or 34, namely different duties is formed, confession powdery state needed for generation, cleaning tube cell, the state of powder pump and discharge tube or other application apparatus, discharging state, cleaning supply powder bucket component internal state and hand inspection duty.
For powdery state: as shown in Figure 3, inner spindle assembly 2 is in 32 positions with for the relative movement of powder bucket assembly 1 to controllable sealing part 33, controllable sealing part 33 closing passage 43, fluidized gas 72 is introduced to fluidisation air chamber 222 by outside, make to be in flow regime for powder bucket assembly 1 powder inside 6, start powder spraying system 5, be transported to powder spraying system 5 for the powder 6 in powder bucket assembly 1 by suction powder mouth 131, realize powder supplies.Passage 42,43 is parts of inner spindle assembly 2 and the inner chamber preset clearance for powder bucket assembly 1.
Cleaning tube cell, powder pump and discharge tube, or the state of other application apparatus: as shown in Figure 4, suitable control controllable sealing part 33 makes inner spindle assembly 2 with powder 6 can not from passage 42 for relatively moving between powder bucket assembly 1, 43 overflow to outside, inner spindle assembly 2 is in 32 positions with for the relative movement of powder bucket assembly 1 to controllable sealing part 33, controllable sealing part 34 is in 31 positions, controllable sealing part 34 closing passage 42, controllable sealing part 33 still also continues in 32 positions to keep closed channel 43, introduce high pressure cleaning gas 71 by outside and enter into suction powder mouth 131, for powder bucket assembly 1 inner surface 12, controllable sealing part 33, 34 regions surrounded 41, enter the high pressure cleaning gas in 41st district again by the tube cell being ejected into powder spraying system 5 by inhaling powder mouth 131, powder pump and discharge tube, or other application apparatus is cleared up.
Discharging state: as shown in Figure 5, inner spindle assembly 2 is with the clear position be still in for powder bucket assembly 1 as Fig. 4, controllable sealing circle 34,33 continues to be in 31,32 positions respectively and difference closed channel 42,43, and discharge valve 23 is opened powder 6 and unloaded recovery by powder bucket assembly 1 from discharge channel 223.
Cleaning is for powder bucket component internal state: as shown in Figure 6, inner spindle assembly 2 is with the clear position be still in for powder bucket assembly 1 as Fig. 4, controllable sealing part 33 continues closing passage 43, discharge valve 23 is in opening, close powder spraying system 5 passage, controllable sealing part 34 is opened, open passage 42 and continue to remain on 41st district and introduce high pressure cleaning gas 71, high pressure cleaning gas 71 in 41st district enters for powder bucket assembly 1 inner by passage 42, the stingy pressure fluidized gas 72 being simultaneously incorporated into fluidisation air chamber 222 from outside is also converted to high pressure cleaning gas 73, implement the cleaning to and fluidized plate 204 inner for powder bucket assembly 1.
Hand inspection state: as shown in Figure 7, after having cleared up, controlling controllable sealing part 33 makes passage 43 open, and leaves for powder bucket assembly 1 inner chamber, hand inspection inner spindle assembly 2 and the situation for powder bucket assembly 1 for powder bucket assembly 1 and inner spindle assembly 2 relative movement to inner spindle assembly 2.
Be more than the explanation to structural principle of the present invention, the representative instance below for application elaborates.
Typical case's embodiment one:
As shown in Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12, a kind of Automatic clearance powder feeder unit of closed cycle, comprises for powder bucket assembly 1 and inner spindle assembly 2.Controllable sealing part adopts gas control sealing ring, and gas control sealing ring quantity is two, is installed in on powder bucket assembly 1, fixes by for powder bucket assembly 1, and inner spindle assembly 2 moves in for powder bucket assembly 1 inner chamber.
Form for the air inlet ring 32,31 of powder bucket assembly 1 by storage powder bucket 11, suction ring 13, pressing plate 15 and installation and support gas control sealing ring 33,34, establish inner chamber 111 for accommodating powder 6 in storage bin hopper 11, inner chamber 111 inwall is column type, be communicated with inner chamber 111 for arranging opening 112 bottom powder bucket assembly 1, opening 112 enters inner chamber 111 for inner spindle assembly 2, and suction ring 13 is provided with the suction powder mouth 131 be communicated with inner chamber 111.Suction powder mouth 131 both sides a gas control sealing ring 33,34 is respectively installed, air inlet ring 31 is provided with air inlet 35, and air inlet ring 32 is provided with air inlet 36, air inlet 35,36 be the air inlet of gas control sealing ring or bleed time Compressed Gas introduce and discharge.
Inner spindle assembly 2 comprises inner spindle main body 202, base 201, fluidized plate 204 and discharge valve 23, mounting seat 201 outside inner spindle main body 202, discharge channel 223 is provided with in the middle of inner spindle main body 202, discharge channel 223 one end communication with cavity 111, the other end installs discharge valve 23, the powder 6 that can unload in storage powder bucket 11 opened by discharge valve 23, closes and just can seal discharge channel, and powder is remained in storage powder bucket 11.Fluidisation air chamber 222 is provided with on inner spindle main body 202 top, fluidized plate 204 is installed above fluidisation air chamber, base 201 arranges high pressure cleaning gas passage 211 and fluidized gas passage 224, to act on to fluidisation air chamber 222 and make the powder in storage powder bucket 11 be in flow regime by introducing fluidized gas from fluidized gas passage 224 to fluidized plate 204, the cleaning of high pressure cleaning gas realization to fluidized plate 204 can be introduced from fluidized gas passage 224 when clearing up, high pressure cleaning gas passage 211 is for introducing high pressure cleaning gas to supplying powder bucket assembly 1 and discharge tube when clearing up, or other application apparatus 5 is cleared up, the gap of 1 ~ 4mm is reserved with between inner spindle assembly 2 outer wall and confession powder bucket assembly 1 inwall.
Move in inner spindle assembly 2 inner chamber for powder bucket assembly 1, controlled Compressed Gas effect is introduced to gas control sealing ring 34 or 33 by air inlet 35 or 36, make gas control sealing ring 34 or 33 contraction or expansion opening and closing of fault for the gap between powder bucket assembly 1 inwall and inner spindle assembly 2 outer wall, form different passages in suction powder mouth 131 both sides and be supplied to powder or cleaning gas, thus realize required three kinds of operating positions: for powder position, clear position and inspection position, and five kinds of work in combination states: ask for an interview following description:
For powder position as shown in Figure 8: fluidized plate 204 upper surface on inner spindle assembly 2 with lower controllable sealing circle 33 at the homonymy inhaling powder mouth 131 and inner spindle assembly 2 does not leave inner chamber 111.
Clear position: as shown in Figure 9: fluidized plate 204 upper surface on inner spindle assembly 2 with controllable sealing circle 33 respectively in the both sides of inhaling powder mouth 131.
Hand inspection position: as shown in figure 12, fluidized plate 204 upper surface on inner spindle assembly 2 with lower controllable sealing circle 33 at the homonymy inhaling powder mouth 131 and inner spindle assembly 2 leaves inner chamber 111.
For powdery state as shown in Figure 8, inner spindle assembly 2 moves to for powder position in confession powder bucket assembly 1 inner chamber, close discharge valve 23, introducing controlled Compressed Gas by air inlet 36 makes gas control sealing ring 33 inflation hold the sidewall 221 of inner spindle main body 202 tightly, thus sealing is for powder bucket assembly 1 and outside passage.Now, powder-supply system (meaning not shown in the figures) is opened, introducing stingy pressure fluidized gas 72 by the fluidized gas passage 224 of inner spindle assembly 2 acts on to fluidized plate 204 to fluidisation air chamber 222, the powder 6 for powder bucket assembly 1 inner chamber is made to be in flow regime, open powder spraying system 5, the powder 6 for powder bucket assembly 1 inner chamber supplies powder spraying system 5 by suction powder mouth 131.
Cleaning tube cell, powder pump and discharge tube, or the state of other application apparatus: as shown in Figure 9, the pressure of the controlled Compressed Gas that suitable control is introduced by air inlet 36 makes controllable sealing circle 33 with inner spindle assembly 2 and powder 6 and can not overflow to outside for the gap between powder bucket assembly 1 from inner spindle assembly 2 for relatively moving between powder bucket assembly 1, mobile inner spindle assembly 2 to clear position, the pressure controlling the Compressed Gas introduced by air inlet 36 makes lower controllable sealing circle 33 hold the sidewall 214 of base 201 tightly, introduce Compressed Gas by air inlet 35 makes upper gas control sealing ring inflation hold the sidewall 221 of inner spindle main body 202 tightly simultaneously, the powder channel cutting off inner chamber 111 and inhale between powder mouth 131, introduce high pressure by cleaning gas passage 211 and clear up gas 71, high pressure cleaning gas 71 enters into tube cell by suction powder mouth 131, powder pump and powder spray coating device are cleared up it.
Discharging state: as shown in Figure 10, inner spindle assembly 2 is with supplying powder bucket assembly 1 still in clear position, powder spraying system 5 and powder-supply system are still in closed condition, stop introducing high pressure cleaning gas from cleaning gas passage 211, continue to introduce stingy pressure fluidized gas 72 from fluidized gas passage 224 to make to be in flow regime for the powder 6 in powder bucket assembly 1, open discharge valve 23, unload from discharge channel 223 for the powder 6 in powder bucket assembly 1, empty for the powder 6 in powder bucket assembly 1, realize discharging state.
Cleaning for powder bucket component internal state as shown in figure 11, inner spindle assembly 2 is with supplying powder bucket assembly 1 still in clear position, powder spraying system 5 and powder-supply system are still in closed condition, lower gas control sealing ring 33 continues inflation and holds sidewall 214 in the middle part of base 201 tightly, cut off and inhale powder mouth 131 and outside passage, outwards being bled by air inlet 35 makes upper gas control sealing ring 34 shrink the powder channel opened inner chamber 111 and inhale between powder mouth 131, the high pressure introduced by cleaning gas passage 211 is cleared up gas 71 and and the gap between the inwall of powder bucket assembly 1 will be supplied to enter into for powder bucket inner by the sidewall 221 of inner spindle main body 202, the stingy pressure fluidized gas 72 introduced by fluidized gas passage 224 is converted to after high pressure cleaning gas 73 enters into fluidisation air chamber 222 and clears up fluidized plate, so just achieve the cleaning for powder bucket assembly 1 inside.
As shown in figure 12, mobile inner spindle assembly 2 arrives and checks position hand inspection state, the working condition of inspection confession powder bucket assembly 1 and each parts of inner spindle assembly 2 and cleaning situation etc.
Typical case's embodiment two:
As shown in Figure 13, Figure 14, Figure 15, Figure 16, Figure 17, a kind of Automatic clearance powder feeder unit of closed cycle, comprises for powder bucket assembly 1 and inner spindle assembly 2.Controllable sealing part adopts gas control sealing ring, and gas control sealing ring quantity is two, and one is arranged on another part on confession powder bucket assembly 1 and is arranged on inner spindle assembly 2, and fix for powder bucket assembly 1, inner spindle assembly 2 moves in for powder bucket assembly 1 inner chamber.
Form for the air inlet ring 32 of powder bucket assembly 1 by storage powder bucket 11, suction ring 13, pressing plate 15, movable plate 16 and installation and support gas control sealing ring 33, establish inner chamber 111 for accommodating powder 6 in storage bin hopper 11, inner chamber 111 inwall is column type, be communicated with inner chamber 111 for arranging opening 112 bottom powder bucket assembly 1, opening 112 enters inner chamber 111 for inner spindle assembly 2, the wall for powder bucket assembly 1 is provided with the suction powder mouth 131 be communicated with inner chamber 111.In suction powder mouth 131 both sides, a gas control sealing ring 33,34 is respectively installed, air inlet ring 31 is provided with air inlet 35, air inlet ring 32 is provided with air inlet 36, air inlet 35,36 be the air inlet of gas control sealing ring or bleed time Compressed Gas introduce and outlet, suction ring 13 is with being provided with high pressure cleaning gas passage 211 between movable plate 16, when clearing up, movable plate 16 moves down and opens high pressure cleaning gas passage 211, and the high pressure introduced by high pressure cleaning gas passage 211 is cleared up gas 71 and cleared up supplying powder bucket assembly 1 and discharge tube or other application apparatus 5.
The air inlet ring 31 that inner spindle assembly 2 comprises inner spindle main body 202, base 201, fluidized plate 204 and discharge valve 23 and installation and support gas control sealing ring 34 forms, compression ring 31 and controllable sealing circle 34 is installed between base 201 and inner spindle main body 202, discharge channel 223 is provided with in the middle of inner spindle main body 202, discharge channel 223 one end communication with cavity 111, the other end installs discharge valve 23, the powder 6 that can unload in storage powder bucket 11 opened by discharge valve 23, close and just can seal discharge channel, powder is remained in storage powder bucket 11.Fluidisation air chamber 222 is provided with on inner spindle main body 202 top, fluidized plate 204 is installed above fluidisation air chamber, inner spindle main body 202 is provided with fluidized gas passage 224, to act on to fluidisation air chamber 222 and make the powder in storage powder bucket 11 be in flow regime by introducing fluidized gas from fluidized gas passage 224 to fluidized plate 204, the cleaning of high pressure cleaning gas realization to fluidized plate 204 can be introduced from fluidized gas passage 224 when clearing up, between inner spindle assembly 2 outer wall and confession powder bucket assembly 1 inwall, being reserved with the gap of 1 ~ 4mm.
Move in inner spindle assembly 2 inner chamber for powder bucket assembly 1, controlled Compressed Gas effect is introduced to gas control sealing ring 34 or 33 by air inlet 35 or 36, gas control sealing ring 34 or 33 contraction or expansion opening and closing of fault is made to form different passages for powder bucket assembly 1 inwall and the gap between inner spindle assembly 2 outer wall and be supplied to powder or clear up gas inhaling powder mouth 131 both sides, thus realize required three kinds of operating positions: for powder position, clear position and inspection position, and five kinds of duties.Can also clear up the outer wall 214 of base 201 when supplying powder or cleaning simultaneously, also can carry out inflation to lower controllable sealing circle 33, the outer wall 214 making lower controllable sealing circle hold base 201 tightly makes when supplying powdery state more reliable with the sealing between inner spindle assembly 2 for powder bucket assembly 1.
For powder position: fluidized plate 204 upper surface on inner spindle assembly 2 with lower controllable sealing circle 33 at the homonymy inhaling powder mouth 131 and inner spindle assembly 2 does not leave inner chamber 111.
Clear position: fluidized plate 204 upper surface on inner spindle assembly 2 with and controllable sealing circle 33 respectively in the both sides of suction powder mouth 131.
Check position: inner core with fluidized plate 204 upper surface on assembly 2 with lower controllable sealing circle 33 at the homonymy inhaling powder mouth 131 and inner spindle assembly 2 leaves inner chamber 111.
Show for powdery state such as Figure 13, inner spindle assembly 2 moves to for powder position in confession powder bucket assembly 1 inner chamber, introducing controlled Compressed Gas by air inlet 35 makes gas control sealing ring 34 inflation compress the inwall of suction ring 13, thus sealing is for powder bucket assembly 1 and outside passage.Now, powder-supply system (meaning not shown in the figures) is opened, introducing stingy pressure fluidized gas 72 by the fluidized gas passage 224 of inner spindle assembly 2 acts on to fluidized plate 204 to fluidisation air chamber 222, make to be in flow regime for the powder 6 in powder bucket assembly 1 inner chamber 111, open powder spraying system 5, supply powder spraying system 5 for the powder 6 in powder bucket assembly 1 inner chamber 111 by suction powder mouth 131.Now also can clear up the outer wall 214 of base 201: by air inlet 36, lower controllable sealing circle 33 is bled simultaneously, lower controllable sealing circle 33 is shunk, mobile movable plate 16 opens high pressure cleaning gas passage 211, and introducing high pressure cleaning gas by high pressure cleaning gas passage 211 can clear up the outer wall 214 of base 201.Also can introduce by air inlet 36 outer wall 214 that Compressed Gas makes lower controllable sealing circle expand to hold base 201 tightly and seal gap between outer wall 214 and movable plate, make sealing more reliable.
Cleaning tube cell, powder pump and discharge tube, or the state of other application apparatus as shown in figure 14, the pressure of the controlled Compressed Gas that suitable control is introduced by air inlet 36 makes controllable sealing circle 33 with inner spindle assembly 2 and powder 6 and can not overflow to outside for the gap between powder bucket assembly 1 from inner spindle assembly 2 for relatively moving between powder bucket assembly 1, by air inlet 35, upper controllable sealing circle 34 is bled, controllable sealing circle 34 is shunk, mobile inner spindle assembly 2 to clear position, the pressure controlling the Compressed Gas introduced by air inlet 36 makes lower controllable sealing circle 33 hold the sidewall 214 of base 201 tightly, introduce controlled Compressed Gas by air inlet 35 makes upper gas control sealing ring inflation compression for the inwall of powder bucket assembly 1 simultaneously, the powder channel cutting off inner chamber 111 and inhale between powder mouth 131, mobile movable plate 16 opens high pressure cleaning gas passage 211, clear up gas passage 211 by high pressure and introduce high pressure cleaning gas 71, high pressure cleaning gas 71 enters into tube cell by suction powder mouth 131, powder pump and discharge tube, or other application apparatus is cleared up it.
Discharging state as shown in figure 15, inner spindle assembly 2 is with supplying powder bucket assembly 1 still in clear position, powder spraying system 5 and powder-supply system are still in closed condition, stop introducing high pressure cleaning gas from cleaning gas passage 211, continue to introduce stingy pressure fluidized gas 72 from fluidized gas passage 224 to make to be in flow regime for the powder 6 in powder bucket assembly 1, open discharge valve 23, unload from discharge channel 223 for the powder 6 in powder bucket assembly 1, empty for the powder 6 in powder bucket assembly 1, realize discharging state.
Cleaning for powder bucket component internal state as shown in figure 16, inner spindle assembly 2 is with supplying powder bucket assembly 1 still in clear position, powder spraying system 5 and powder-supply system are still in closed condition, lower gas control sealing ring 33 continues inflation and holds sidewall 214 in the middle part of base 201 tightly, cut off and inhale powder mouth 131 and outside passage, outwards being bled by air inlet 35 makes upper gas control sealing ring 34 shrink the powder channel opened inner chamber 111 and inhale between powder mouth 131, mobile movable plate 16 opens high pressure cleaning gas passage 211, clear up gas passage 211 by high pressure and introduce high pressure cleaning gas 71, will by the sidewall 221 of the sidewall of base 201 and inner spindle main body 202 and for powder bucket assembly 1 inwall between gap enter into for powder bucket assembly 1 inner, the stingy pressure fluidized gas 72 introduced by fluidized gas passage 224 is converted to after high pressure cleaning gas 73 enters into fluidisation air chamber 222 and clears up fluidized plate, so just achieve the cleaning for powder bucket assembly 1 inside.
In cleaning under the state of powder bucket assembly 1 inside, control controllable sealing circle 34 and 33 and can also realize clearing up the gap between the end 201 and movable plate 16.
As shown in figure 17, mobile inner spindle assembly 2 arrives and checks position hand inspection state, the working condition of inspection confession powder bucket assembly 1 and each parts of inner spindle assembly 2 and cleaning situation etc.
The foregoing is only typical embodiment of the present invention to be not used for limiting scope of the invention process, controllable sealing part be ensure inner spindle assembly in the powder movement become possible a kind of feasible program, if but a distortion of this patent is also belonged to the seal of other type, all equal changes of doing according to the scope of the claims of the present invention (no matter being representative instance or operation principle) and modification, all fall into the scope that patent of the present invention contains.
Claims (12)
1. an Automatic clearance powder feeder unit for closed cycle, comprising:
One for powder bucket assembly, and the inner chamber for powder bucket assembly hollow forms the container storing powder;
One inner spindle assembly, the top of inner spindle assembly is nested in inside inner chamber, the lateral wall at the top of inner spindle assembly and leave gap between the madial wall inside the inner chamber of powder bucket assembly;
One inhales powder mouth, is arranged on described confession powder bucket assembly, externally supplies powder;
At least 2 controllable sealing parts are arranged on on powder bucket assembly or inner spindle assembly, and a segment distance of being separated by, controllable sealing part is used for closing or opening clearance, by controlling and obtain for powder bucket assembly and the relative movement of inner spindle assembly the several different duty set to the difference of controllable sealing part, described controllable sealing part seals for powder bucket assembly and inner spindle assembly in suction powder mouth one or both sides.
2. the Automatic clearance powder feeder unit of a kind of closed cycle according to claim 1, is characterized in that: arrange opening and inner space for powder bucket component bottom, inner cavity is stretched into from opening in the top of inner spindle assembly.
3. the Automatic clearance powder feeder unit of a kind of closed cycle according to claim 1, is characterized in that: described suction powder mouth is connected with tube cell or discharge tube.
4. the Automatic clearance powder feeder unit of a kind of closed cycle according to claim 1 or 2 or 3, it is characterized in that: described at least 2 controllable sealing parts are arranged in inhales powder mouth both sides, a controllable sealing part closes or open for the powder in powder bucket assembly to the passage inhaling powder mouth, and another part controllable sealing part closes or open for powder bucket assembly and outside passage.
5. the Automatic clearance powder feeder unit of a kind of closed cycle according to claim 4, is characterized in that: the described outer surface for powder bucket assembly and the cooperation of inner spindle assembly is cylindricality.
6. the Automatic clearance powder feeder unit of a kind of closed cycle according to claim 1 or 2 or 5, is characterized in that: the lateral wall at the top of described inner spindle assembly and be 0.1mm-20mm for the interstice coverage between the madial wall inside the inner chamber of powder bucket assembly.
7. the Automatic clearance powder feeder unit of a kind of closed cycle according to claim 1 or 2 or 3, it is characterized in that: compressed gas-driven is passed through in expansion or the contraction of controllable sealing part, or hydraulic-driven or frame for movement drive, realize the lateral wall at the top of inner spindle assembly and supply the closing and opening at diverse location of the gap between powder bucket module inner.
8. the Automatic clearance powder feeder unit of a kind of closed cycle according to claim 1 or 2 or 3, it is characterized in that: described inner spindle assembly is provided with fluidized plate, discharge channel, discharge valve, described discharge valve is powder discharge valve, and described discharge valve is turnover plate type discharge valve or butterfly valve or hose valves.
9. the Automatic clearance powder feeder unit of a kind of closed cycle according to claim 1 and 2, is characterized in that: by controlling the difference of controllable sealing part and making to obtain at least 4 kinds of different duties for powder bucket assembly and the relative movement of inner spindle assembly:
A) for powdery state: a controllable sealing part is positioned to be inhaled above powder mouth, open for the powder in powder bucket assembly to the passage inhaling powder mouth, another part controllable sealing part is positioned to be inhaled below powder mouth, closes for powder bucket assembly and outside passage;
B) clear up tube cell, powder pump and discharge tube: a controllable sealing part is positioned to be inhaled above powder mouth, closes for the powder in powder bucket assembly to the passage inhaling powder mouth, another part controllable sealing part is positioned to be inhaled below powder mouth, closes for powder bucket assembly and outside passage; Pass into compressed air to clear up tube cell, powder pump and discharge tube;
C) cleaning is for powder bucket component internal state: a controllable sealing part is positioned to be inhaled above powder mouth, opens for the powder in powder bucket assembly to the passage inhaling powder mouth; Another part controllable sealing part is positioned to be inhaled below powder mouth, closes for powder bucket assembly and outside passage, closes and inhale powder mouth and external channel; Pass into compressed air to clear up for powder bucket assembly;
D) hand inspection state: controllable sealing part is in relaxation state, makes to relatively move to complete separation point position for powder bucket assembly and inner spindle assembly, carries out inspection operation for personnel.
10. the Automatic clearance powder feeder unit of a kind of closed cycle according to claim 1 or 2 or 3, is characterized in that: at least 2 controllable sealing parts and suction powder mouth are all arranged on on powder bucket assembly, arrange and inhale powder mouth between controllable sealing part.
The Automatic clearance powder feeder unit of 11. a kind of closed cycles according to claim 1 or 2 or 3, is characterized in that: at least 2 controllable sealing parts and inhale powder mouth and be all arranged on inner spindle assembly, arranges and inhale powder mouth between controllable sealing part.
The Automatic clearance powder feeder unit of 12. a kind of closed cycles according to claim 1 or 2 or 3, it is characterized in that: 1 controllable sealing part is arranged on on powder bucket assembly, another 1 controllable sealing part is arranged on inner spindle assembly, arranges and inhale powder mouth between controllable sealing part.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310279254.7A CN103331226B (en) | 2013-07-04 | 2013-07-04 | A kind of Automatic clearance powder feeder unit of closed cycle |
| PCT/CN2013/080184 WO2015000201A1 (en) | 2013-07-04 | 2013-07-26 | Powder supply device for closed-cycle automatic cleaning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310279254.7A CN103331226B (en) | 2013-07-04 | 2013-07-04 | A kind of Automatic clearance powder feeder unit of closed cycle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103331226A CN103331226A (en) | 2013-10-02 |
| CN103331226B true CN103331226B (en) | 2015-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310279254.7A Expired - Fee Related CN103331226B (en) | 2013-07-04 | 2013-07-04 | A kind of Automatic clearance powder feeder unit of closed cycle |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103331226B (en) |
| WO (1) | WO2015000201A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104984845B (en) * | 2015-08-17 | 2017-03-01 | 临朐远宏金属制品有限公司 | The powder feeding center that can automatically clear up |
| CN109910297A (en) * | 2019-02-27 | 2019-06-21 | 共享智能铸造产业创新中心有限公司 | A kind of the 3D printing equipment and its Method of printing of more Material claddings |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN103331226A (en) | 2013-10-02 |
| WO2015000201A1 (en) | 2015-01-08 |
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