Powder supplying device for a powder coating installation
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B65G-053/40
B65G-053/16
B05B-007/14
B05B-007/24
B05B-015/02
B08B-009/093
B05B-012/14
B05B-015/12
출원번호
US-0807447
(2011-06-30)
등록번호
US-9382078
(2016-07-05)
우선권정보
DE-10 2010 025 749 (2010-06-30)
국제출원번호
PCT/US2011/042591
(2011-06-30)
§371/§102 date
20121228
(20121228)
국제공개번호
WO2012/003314
(2012-01-05)
발명자
/ 주소
Mauchle, Felix
Honegger, Norbert
Steinemann, Mark
Michael, Hanspeter
출원인 / 주소
GEMA SWITZERLAND GMBH
대리인 / 주소
Hauptman Ham, LLP
인용정보
피인용 횟수 :
1인용 특허 :
9
초록▼
A powder supplying device for a powder coating installation with at least one closed or closable powder container, which has a cuboidal powder chamber for coating powder. In order to quickly change the powder, one or more cleaning compressed-air inlets to which a compressed air source can be connect
A powder supplying device for a powder coating installation with at least one closed or closable powder container, which has a cuboidal powder chamber for coating powder. In order to quickly change the powder, one or more cleaning compressed-air inlets to which a compressed air source can be connected in a cleaning operation of the powder coating installation for removing residual powder from the powder chamber, in order to introduce cleaning compressed air into the powder chamber, is provided in a side wall of the powder container.
대표청구항▼
1. A powder supplying device for a powder coating installation, the powder supplying device comprising: at least one closed or closable powder container, which has a substantially cuboidal powder chamber for coating powder,wherein at least one cleaning compressed-air inlet to which a compressed air
1. A powder supplying device for a powder coating installation, the powder supplying device comprising: at least one closed or closable powder container, which has a substantially cuboidal powder chamber for coating powder,wherein at least one cleaning compressed-air inlet to which a compressed air source can be connected in a cleaning operation of the powder coating installation for removing residual powder from the powder chamber, in order to introduce cleaning compressed air into the powder chamber, is provided in a side wall of the powder container, and wherein at least one residual powder outlet is provided, through which residual powder can be driven out from the powder chamber with the aid of the cleaning compressed air introduced into the powder chamber,the at least one cleaning compressed-air inlet having an inlet opening and the at least one residual powder outlet having an outlet opening, the outlet opening of the residual powder outlet pointing in the same direction as the inlet opening of the at least one cleaning compressed-air inlet, andat least one of:(i) the powder container having at least one powder inlet with an inlet opening for feeding coating powder as and when required into the powder chamber during the powder coating operation of the powder coating installation and the inlet opening of the at least one cleaning compressed-air inlet being provided in a lower region of the side wall of the powder container and the inlet opening of the at least one powder inlet being provided in a cover of the powder container or in the side wall of the powder container;(ii) the powder container having at least one powder inlet with an inlet opening for feeding coating powder as and when required into the powder chamber during the powder coating operation of the powder coating installation and the inlet opening of the at least one cleaning compressed-air inlet being identical to the inlet opening of the at least one powder inlet; or(iii) the powder supplying device including at least one powder outlet, which can be opened with the aid of a pinch valve in order to remove coating powder from the powder chamber as and when required, by gravitational force, being provided in a bottom wall of the powder container. 2. Powder supplying device according to claim 1, which also has a fluidizing device for introducing fluidizing compressed air into the powder chamber, the powder chamber having at least one fluidizing compressed-air outlet with an outlet opening for discharging the fluidizing compressed air introduced into the powder chamber. 3. Powder supplying device according to claim 2, the outlet opening of the at least one residual powder outlet being identical to the outlet opening of the at least one fluidizing compressed-air outlet. 4. Powder supplying device according to claim 2, the at least one fluidizing compressed-air outlet having a venting line which on the one hand is connected or can be connected to the outlet opening of the fluidizing compressed-air outlet and on the other hand opens out into an extraction funnel. 5. Powder supplying device according to claim 1, at least one level sensor also being provided for detecting at least one powder level in the powder chamber. 6. Powder supplying device according to claim 5, the at least one level sensor being a contactlessly operating level sensor which is arranged outside the powder chamber and separated from it. 7. Powder supplying device according to claim 1, the powder chamber having a height of 180 mm to 260 mm;the powder chamber having a width of 140 mm to 220 mm; andthe powder chamber having a length of 510 mm to 590 mm. 8. Powder supplying device according to claim 1, the powder chamber having a height of 200 mm to 240 mm;the powder chamber having a width of 160 mm to 200 mm; andthe powder chamber having a length of 530 mm to 570 mm. 9. Powder supplying device according to claim 1, the powder chamber having a height of about 220 mm;the powder chamber having a width of about 180 mm; andthe powder chamber having a length of about 550 mm. 10. Powder supplying device according to claim 1, wherein the closable powder container has a fixed volume when closed. 11. Powder supplying device according to claim 1, wherein the closable powder container includes a first wall and a second wall opposite the first wall, wherein a distance between the first wall and the second wall is fixed, wherein the first wall is the side wall. 12. Powder supplying device according to claim 1, wherein the side wall structurally supports another portion of the closable powder container that forms the cuboidal powder chamber. 13. Powder supplying device according to claim 1, wherein the side wall is fixed relative to a geometric location within the powder container spaced away from the side wall. 14. Powder supplying device according to claim 1, the cover being able to be connected to the powder chamber via a quickly releasable connection. 15. Powder supplying device according to claim 1, wherein the side wall is fixed relative to another wall of the powder container. 16. Powder supplying device according to claim 1, wherein the powder container includes a second side wall, wherein the side wall in which the at least one cleaning compressed-air inlet is provided is stationary relative to the second side wall. 17. Powder coating installation for powder-coating objects, the powder coating installation having at least one powder supplying device according to claim 1. 18. A powder supplying device for a powder coating installation, the powder supplying device comprising: at least one closed or closable powder container, which has a substantially cuboidal powder chamber for coating powder,wherein at least one cleaning compressed-air inlet to which a compressed air source can be connected in a cleaning operation of the powder coating installation for removing residual powder from the powder chamber, in order to introduce cleaning compressed air into the powder chamber, is provided in a side wall of the powder container, and wherein at least one residual powder outlet is provided, through which residual powder can be driven out from the powder chamber with the aid of the cleaning compressed air introduced into the powder chamber,wherein the at least one cleaning compressed-air inlet has an inlet opening and the at least one residual powder outlet having an outlet opening, the outlet opening of the residual powder outlet pointing in the same direction as the inlet opening of the at least one cleaning compressed-air inlet,the powder supplying device also including a fluidizing device for introducing fluidizing compressed air into the powder chamber, the powder chamber having at least one fluidizing compressed-air outlet with an outlet opening for discharging the fluidizing compressed air introduced into the powder chamber, andthe fluidizing compressed-air outlet having a venting line which is connected or can be connected outside the powder container to a rising pipe for preventing a powder emission from the powder chamber during the powder coating operation of the powder coating installation. 19. A powder supplying device for a powder coating installation, the powder supplying device comprising: at least one closed or closable powder container, which has a substantially cuboidal powder chamber for coating powder,wherein at least one cleaning compressed-air inlet to which a compressed air source can be connected in a cleaning operation of the powder coating installation for removing residual powder from the powder chamber, in order to introduce cleaning compressed air into the powder chamber, is provided in a side wall of the powder container, and wherein at least one residual powder outlet is provided, through which residual powder can be driven out from the powder chamber with the aid of the cleaning compressed air introduced into the powder chamber,the at least one cleaning compressed-air inlet having an inlet opening and the at least one residual powder outlet having an outlet opening, the outlet opening of the residual powder outlet pointing in the same direction as the inlet opening of the at least one cleaning compressed-air inlet, and at least one of:(i) at least one powder outlet, which can be opened with the aid of a pinch valve in order to remove coating powder from the powder chamber as and when required, being provided in a bottom wall of the powder container;(ii) at least one powder discharge device also being provided, which discharge device is connected or can be connected via a powder discharge opening to the powder chamber for sucking coating powder out of the powder chamber during the powder coating operation of the powder coating installation, and the at least one powder discharge device having an injector, which is connected to a powder discharge channel opening out via the powder discharge opening in the powder chamber, the powder discharge opening; or(iii) at least one powder discharge device also being provided, which discharge device is connected or can be connected via the powder discharge opening to the powder chamber for sucking coating powder out of the powder chamber during the powder coating operation of the powder coating installation, and an immersion body that can be mechanically inserted into the powder chamber also being provided for finely cleaning the at least one powder discharge device during the cleaning operation of the powder coating installation. 20. Powder supplying device according to claim 19, the injector of the at least one powder discharge device being arranged in relation to the powder chamber at a location which is higher than the highest powder level that can be set in the powder chamber. 21. Powder supplying device according to claim 20, a multiplicity of powder discharge devices being provided, the powder discharge channels of the multiplicity of powder discharge devices being formed within two opposite side walls of the powder chamber. 22. Powder supplying device according to claim 21, the two opposite side walls of the powder chamber being respectively adjacent to the side wall of the powder chamber in which the inlet opening of the at least one cleaning compressed-air inlet and the outlet opening of the at least one residual powder outlet are provided. 23. Powder supplying device according to claim 19, the immersion body having at least one purging compressed-air inlet, which in the inserted state of the immersion body can be connected to the inlet opening of the at least one cleaning compressed-air inlet provided in the one side wall of the powder container for feeding cleaning compressed air to a compressed-air line system of the immersion body; andthe immersion body having at least one purging compressed-air outlet, which is connected to the compressed air source and in the inserted state of the immersion body can be connected to the powder discharge opening of the at least one powder discharge device for driving out residual powder from the powder discharge device with the aid of the cleaning compressed air. 24. Powder supplying device according to claim 23, the at least one purging compressed-air inlet of the immersion body being configured in such a way that, in the inserted state of the immersion body, it is aligned such that it is centred with regard to the inlet opening of the at least one cleaning compressed-air inlet provided in the side wall of the powder container for automatically connecting the at least one purging compressed-air inlet to the inlet opening when the immersion body is inserted into the powder chamber. 25. Powder supplying device according to claim 23, the at least one purging compressed-air outlet of the immersion body being formed in such a way that, in the inserted state of the immersion body, it is aligned such that it is centred with regard to the powder discharge opening of the at least one powder discharge device for automatically connecting the at least one purging compressed-air outlet of the immersion body to the powder discharge opening of the at least one powder discharge device when the immersion body is inserted into the powder chamber. 26. Powder supplying device according to claim 19, the immersion body having a cuboidal outer configuration, the at least one purging compressed-air inlet being provided in a first end face of the immersion body, and at least one tension spring being provided on the opposite end face of the immersion body for pretensioning the immersion body against the side wall of the powder chamber in which the at least one cleaning compressed-air inlet is provided when the immersion body is inserted in the powder chamber. 27. Powder supplying device according to claim 19, the injector of the at least one powder discharge device being arranged in relation to the powder chamber at a location which is higher than the highest powder level that can be set in the powder chamber, andthe powder discharge channel being formed within a side wall of the powder chamber.
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이 특허에 인용된 특허 (9)
Adams Horst (Nonnenhorn DEX) Hammerle Mario (Hohenems ATX), Cleaning device for a powder coating compartment.
Mauchle, Felix; Sanwald, Marco; Vieli, Hanspeter; Lüthi, Hans-Peter; Breitenmoser, Stefan, Powder supply by means of a dense flux pump for a coating system.
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