• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:

    公开号:AT510290A4
    申请号:T0167710
    申请日:2010-10-07
    公开日:2012-03-15
    发明作者:Rudolf Knoth-Bambule；Hubert Ing Knoth；Petra Knoth；Christian Seefeldner
    申请人:Hubert Ing Knoth；Rudolf Knoth-Bambule；Christian Seefeldner；Petra Knoth；
    IPC主号:
    专利说明:

    i «# f #» * ** + * *: * * (I * II «*» t * * * «« * 4 H it J ». * Λ · * * * * · - 1 -15131
    The invention relates to a device for drying a machine part with a vacuum drying chamber to which at least one Evakuiereinrichtung is connected.
    From GB 2 268 253 Al a device for drying ball bearings is known, which has a two-part housing, wherein the two housing halves are sealed by a seal.
    From the Austrian patent application A 608/2010 a device for drying a machine part with a vacuum drying chamber is known, to which at least one Evakuiereinrichtung is connected, whose walls are integrally formed. The one-piece design leaks can be largely prevented.
    However, especially for larger workpieces, the one-piece design of the vacuum drying chamber is very costly. Furthermore, it is disadvantageous that different vacuum drying chambers must be used for different sized machine parts.
    It is the object of the present invention to avoid these disadvantages and to realize in the simplest possible way vacuum drying chamber for different sized machine parts.
    According to the invention this is achieved in that the vacuum drying chamber has a modular construction with at least two mutually releasably connected chamber modules, wherein preferably the chamber modules are connected to two mutually facing open end faces together. The chamber modules can be connected to each other by screws. It can be provided that each chamber module is designed to be open on its front side and has a bottom, a ceiling and two side walls. This makes it possible to expand the vacuum drying chamber in the longitudinal direction as desired to treat different lengths of machine parts.
    A particularly simple production results when each chamber module of at least one bottom part and a ceiling part, and preferably at least two side parts is joined together. Preferably, however, it is provided that the bottom part forms the floor, preferably also at least one part of the ceiling, preferably also at least one part of at least one side wall. Alternatively, it can also be provided that the side walls, the floor and - 2 - the ceiling are integrally formed and each chamber module is milled from a solid block.
    To keep the volume to be evacuated as small as possible, it is provided that the inner walls of the vacuum drying chamber are at least partially reshaped to the machine part to be dried, wherein preferably the side walls and / or the ceiling of the vacuum drying chamber is designed parallel to a profile of the machine part, preferably the Side walls and / or the ceiling of the vacuum drying chamber are designed so that - with in the vacuum drying chamber retracted or inserted machine part - the normal distance between each inner surface of the side walls and / or ceiling and the machine part at each point less than 100 mm, preferably less than 50 mm , particularly preferably less than 5 mm. Due to the exact adaptation of the chamber contour to the workpiece to be dried and thereby very small volume of air in the vacuum drying chamber sufficient evacuation and thus drying is possible with relatively little use of energy.
    The evacuation of the vacuum drying chamber is associated with a relatively high temperature reduction. In order to keep the thermal load of the machine part within limits, it is provided in the context of the invention that the Evakuiereinrichtung and the vacuum drying chamber are thermally connected to each other via a cooling system, wherein the waste heat of Evakuiereinrichtung the vacuum drying chamber can be fed. It is particularly advantageous if the cooling system has a first heat exchanger assigned to the evacuation device and a second heat exchanger assigned to the vacuum drying chamber, wherein the two heat exchangers are thermally connected to one another via a cooling medium, and wherein preferably the second heat exchanger is arranged on at least one outer surface of the vacuum drying chamber. In order to avoid potential additional leakage points, the second heat exchanger is arranged on an outer surface and not inside the vacuum drying chamber.
    The invention will be explained in more detail below with reference to FIGS.
    1 to 3 a device according to the invention in different oblique views, FIG. 4 a chamber module in an oblique view, FIG. 5 a chamber module in a further oblique view, FIGS. 6 and 7 a chamber module in exploded views. - 3 -
    The device 1 shown in Figures 1 to 3 for drying machine parts, such as engine blocks, located for example in a processing line, following a cleaning station, not shown, wherein the machine parts to be dried, for example, fed via roller conveyors of the device 1 and again from these are carried away, as shown for example in the Austrian patent application A 608/2010. The device 1 is equipped with a vacuum drying chamber 2, which in the exemplary embodiment has an inlet opening 3 and an outlet opening 4 for supplying and removing the machine part to be dried, which can be opened or closed in a gastight manner by automatically actuated doors 5, 6. The actuatable via pneumatic, hydraulic or electric actuators 7, 8 doors 5, 6 are designed as a slide.
    The vacuum drying chamber 2 has a modular construction, wherein at least two chamber modules 9, 10, 11 are releasably connected to each other at their respective open end faces by screws. Each chamber module 9, 10, 11 consists of a bottom 12, a ceiling 13 and side walls 14, 15. In the embodiment shown in Figures 6 and 7, each chamber module 9, 10, 11 of the individual elements bottom part 22, ceiling part 23rd and side parts 24, 25 joined together. The bottom part 22 can form the bottom 12 and a part of the side walls 14, 15 of the chamber module 9, 10 11, the ceiling part 23, the ceiling 13 and a part of the side walls 14, 15. But it is also possible, each chamber module 9, 10, 11 perform in one piece, for example, to mill from the solid.
    At least one side wall 14, 15 of a chamber module 9, 10, 11 has a connection for an Evakuiereinrichtung 16, which is arranged laterally in the embodiment of the vacuum drying chamber 2. The evacuation device 16 is thermally connected to the vacuum drying chamber 2 via a cooling system 17, which has a first heat exchanger 18 associated with the evacuation device 16 and a second heat exchanger 19 associated with the vacuum drying chamber 2 and a coolant pump 20. In this way, by using the waste heat of the Evakuiereinrichtung 16 too low temperatures in the vacuum drying chamber 2 and thus excessive thermal stress on the machine part to be dried are avoided.
    In order to enable a rapid evacuation, the side walls 14, 15, and the ceiling 13 are reshaped in the region of the machine part receiving area of the vacuum drying chamber 2 to be dried machine part. As a result, the volume to be evacuated can be kept as small as possible. The inner surfaces 14a, 15a, 13a of the side walls 14, 15 and the ceiling 13 of the vacuum drying chamber 2 are parallel to the profile of the machine part - viewed in the conveying direction, formed and designed so that - when retracted into the vacuum drying chamber 2 or inserted machine part - the normal distance between each inner surface 14a, 15a, 13a of the side parts 14, 15 and the ceiling 13 and the machine part at each point is less than 100 mm, preferably less than 50 mm, particularly preferably less than 5 mm.
    The machine part arrives from the cleaning station via a roller conveyor of a processing line in the opened vacuum drying chamber 2. The machine part is thereby accurately placed in the vacuum drying chamber 2, so that between the machine part and the inner surfaces 14a, 15a, 13a of the side walls 14, 15 and the ceiling 13th essentially a uniform distance between 0 and 100 mm is formed. Thereafter, the vacuum drying chamber 2 is gas-tight by means of the doors 5, 6 closed and the pressure of about 1 bar ambient pressure lowered to about 0.2 bar. After a predefined period, the vacuum drying chamber 2 is re-aerated and optionally rinsed with a rinsing medium. The intermediate rinsing removes residual moisture from the vacuum drying chamber 2. Then the vacuum drying chamber 2 can be evacuated again. If necessary, the intermediate rinsing can be repeated. After the last evacuation process, the vacuum drying chamber 2 is ventilated and the dry machine part is removed through the opened outlet opening 4.
    The modular structure of the vacuum drying chamber 2 makes it possible to treat machine parts of different sizes in a cost effective manner, since the chamber modules 9, 10, 11 for different lengths machine parts by varying the number of assembled chamber modules 9, 10, 11 can be used flexibly.
    权利要求:
    Claims (11)
    [1]
    "4". I! i * · * ··· ** «· f I · · * · ·» «t * tj * * ► *» ·· - 5 - PATENT CLAIMS 1. Device (1) for drying a machine part with a vacuum drying chamber (2 ), to which at least one Evakuiereinrichtung (16) is connected, characterized in that the vacuum drying chamber has a modular construction with at least two mutually releasably connected chamber modules (9, 10, 11).
    [2]
    2. Device (1) according to claim 1, characterized in that the Kammermoduie (9, 10, 11) are connected to two mutually facing open end faces together.
    [3]
    3. Device (1) according to claim 2, characterized in that the Kammermoduie (9, 10, 11) are screwed together.
    [4]
    4. Device (1) according to one of claims 1 to 3, characterized in that each chamber module (9, 10, 11) is designed to be open at its end face and a bottom (12), a ceiling (13) and two side walls (14 , 15).
    [5]
    5. Device (1) according to claim 4, characterized in that the side walls, the bottom and the ceiling (13) are integrally formed and each chamber module is milled from a solid block.
    [6]
    6. Device according to one of claims 1 to 4, characterized in that each chamber module (9, 10, 11) of at least one bottom part (22) and a ceiling part (23), and preferably at least two side parts (24, 25) is assembled ,
    [7]
    7. Device (1) according to claim 6, characterized in that the bottom part (22) forms the bottom (12), preferably also at least part of the ceiling (13), preferably also at least part of at least one side wall (14, 15) ,
    [8]
    8. Device (1) according to one of claims 1 to 7, characterized in that the inner surfaces (13a, 14a, 15a) of the vacuum drying chamber (2) are at least partially reshaped to be dried machine part, wherein preferably the inner surfaces (13a, 14a, 15a) the side walls (14, 15) and / or the ceiling (12) of the vacuum drying chamber (2) is designed parallel to a profile of the machine part. Mt · 6
    [9]
    9. Device (1) according to claim 8, characterized in that the inner surfaces (13a, 14a, 15a) of the side walls (14, 15) and / or the ceiling (13) of the vacuum drying chamber are designed so that - in the vacuum - dry chamber (2) retracted or inserted machine part - the normal distance between each inner surface (13a, 14a, 15a) of the side walls (14, 15) and / or ceiling (13) and the machine part at each point less than 100 mm, preferably less than 50 mm, more preferably less than 5 mm.
    [10]
    10. Device (1) according to one of claims 1 to 9, characterized in that the Evakuiereinrichtung (16) and the vacuum drying chamber (2) via a cooling system (17) are thermally connected to each other, wherein the waste heat of Evakuiereinrichtung (16) of the vacuum drying chamber (2) is feasible.
    [11]
    11. Device (1) according to claim 10, characterized in that the cooling system (17) has a Evakuiereinrichtung associated first heat exchanger (18) and a vacuum drying chamber (2) associated second heat exchanger (19), wherein the two heat exchangers (18, 19) are thermally interconnected via a cooling medium, and wherein preferably the second heat exchanger (19) is arranged on at least one outer surface of the vacuum drying chamber (2).

    2010 10 07 Fu / St
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    同族专利:
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    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    GB452546A|1935-11-14|1936-08-25|Karl Dienst|Improvements in or relating to the drying of grain|
    DE956959C|1952-08-12|1957-01-24|Roehm & Haas G M B H|Process for granulating fertilizers|
    US2952922A|1955-01-13|1960-09-20|Walter Jordan|Apparatus for vacuum-drying temper-ature-sensitive goods|
    DE956659C|1955-01-14|1957-01-24|Luther Werke Luther & Jordan|Vacuum drying cabinet composed of individual sections|
    US3672068A|1969-12-31|1972-06-27|Albert Challen Wilkison|Method and apparatus for drying materials|
    AR204636A1|1973-09-17|1976-02-20|Koppelman Edward|PROCEDURE AND A DEVICE FOR DRYING WOOD|
    DE3433224A1|1984-09-10|1986-03-20|Lohmann Gmbh & Co Kg, 5450 Neuwied|DRYING DEVICE FOR RAIL-SHAPED MATERIALS|
    JPH067750A|1992-06-29|1994-01-18|Nippon Seiko Kk|Degreasing and drying method under reduced pressure|
    DE4237335A1|1992-10-21|1994-04-28|Duerr Gmbh & Co|Drying of aqueous washed machined engineering components - by a combined air jet and vacuum treatment.|
    AT509771B1|2010-04-15|2012-03-15|Hubert Ing Knoth|DEVICE FOR DRYING A MACHINE PART|DE102013112034A1|2013-10-31|2015-04-30|Piller Entgrattechnik Gmbh|Housing for a vacuum dryer with a passageway with inlet and outlet ports|
    DE102014200259A1|2014-01-09|2015-07-09|Dürr Ecoclean GmbH|Device for the treatment and / or processing of workpieces|
    DE102014213172A1|2014-07-07|2016-01-07|Dürr Ecoclean GmbH|Plant for drying workpieces|
    法律状态:
    2015-05-15| PC| Change of the owner|Owner name: KA GROUP MANAGEMENT GMBH, AT Effective date: 20150414 |
    2017-06-15| MM01| Lapse because of not paying annual fees|Effective date: 20161007 |
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