Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B08—CLEANING
  • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
  • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
  • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
  • B08B9/027—Cleaning the internal surfaces; Removal of blockages
  • B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
  • B08B9/035—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing by suction
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B08—CLEANING
  • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
  • B08B5/00—Cleaning by methods involving the use of air flow or gas flow
  • B08B5/04—Cleaning by suction, with or without auxiliary action
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B08—CLEANING
  • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
  • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B08—CLEANING
  • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
  • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
  • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
  • B08B9/027—Cleaning the internal surfaces; Removal of blockages
  • B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
  • B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
  • B08B9/0328—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid by purging the pipe with a gas or a mixture of gas and liquid
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
  • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
  • B23Q11/0042—Devices for removing chips
  • B23Q11/006—Devices for removing chips by sucking and blowing simultaneously
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
  • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
  • B23Q11/0042—Devices for removing chips
  • B23Q11/0075—Devices for removing chips for removing chips or coolant from the workpiece after machining
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B08—CLEANING
  • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
  • B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
  • B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool

Definitions

• the invention relates to a device for cleaning and / or drying a cavity accessible through an opening, for example a recess in a workpiece, e.g. B. a bore, in particular a threaded hole.
• This device includes a cleaning tool for cleaning the inner surfaces of tapped holes in a workpiece having a lance-shaped blower insert.
• This blower insert can be inserted into a threaded hole.
• a cleaning medium such. B. blown air formed.
• the feed channel has an opening slot extending longitudinally at the blast insert. The opening slot serves to flow tangentially to the wall of a threaded hole directly with cleaning medium. Thus, the threads in the threaded hole of dirt particles can be freed.
• the object of the invention is to improve the cleaning and / or drying of accessible through an opening cavities in workpieces in an industrial manufacturing.
• a device for cleaning and / or drying a cavity accessible through an opening which contains a device for suction and has a cleaning tool which contains a suction chamber which can be connected to the device for aspiration and which has a suction opening for the suction of medium from the cavity.
• a tubular body which has a tubular body section arranged in the suction chamber.
• a cleaning medium provided for supplying outside of the suction chamber at a fluid channel inlet opening is formed in the tube body.
• the tubular body may be formed as an insertable through the opening into the cavity dip tube.
• the dip tube can be adjustable in length.
• the device for suction contains a vacuum container which can be evacuated with a vacuum pump and has a fluid line which connects the vacuum container with the suction chamber and in which a shut-off device is arranged as a device for shutting off the fluid line, to selectively connect the vacuum container to the suction chamber or to separate it from the vacuum container.
• a shut-off device is arranged as a device for shutting off the fluid line, to selectively connect the vacuum container to the suction chamber or to separate it from the vacuum container.
• the obturator for shutting off the vacuum line to the suction chamber connecting the fluid line is preferably designed as a fast switching valve, for example as an electrically or pneumatically or hydraulically controlled slide, as an electrically or pneumatically or hydraulically controlled flap or as a coaxial valve, which also electrically or pneumatically or hydraulically controlled.
• a fast switching valve for example as an electrically or pneumatically or hydraulically controlled slide, as an electrically or pneumatically or hydraulically controlled flap or as a coaxial valve, which also electrically or pneumatically or hydraulically controlled.
• the cleaning tool has a connection section for the passage of the opening of the cavity in the manner of a suction cup.
• the suction chamber may also be formed in a tool body, which in the application section of the cleaning tool has a workpiece-side end face facing a workpiece with a cavity to be cleaned and / or dried, with an end face plane.
• the tubular body preferably has a workpiece-side end, which lies in the end face plane or which is arranged to be set back in relation to the end face plane.
• the bell-shaped connection portion may have a sealing means, which makes it possible to seal the suction chamber with a seal surrounding the opening on the workpiece side upon application of the connection portion to the opening of the cavity.
• the sealing means can be a sealing body accommodated on the connection section.
• This sealing body can in particular be elastic and / or flexible.
• the sealing body may be a bellows.
• the suction chamber is designed as a cylindrical cavity extending in the direction of a cylinder axis.
• the tubular body then preferably has a tube axis aligned with the cylinder axis.
• the tubular body portion in the suction chamber may be arcuately curved be. It is possible that the inlet opening is formed on one side of the suction chamber opposite the workpiece-side suction opening.
• the invention also extends to a method for cleaning and / or drying a cavity accessible through an opening, such as a recess in a workpiece, e.g. B. a bore, in particular a threaded hole.
• a cleaning fluid is supplied into the cavity with a fluid flow coaxial with the flow of the fluid extracted from the cavity.
• the cleaning fluid is particularly preferably supplied into the cavity through the opening of the hollow space with respect to the axis of the fluid flow of the fluid extracted from the hollow space.
• the cleaning fluid can be supplied through a protruding into the cavity tube body. Alternatively, however, it is also possible that the cleaning fluid is supplied through a pipe body arranged outside the cavity.
• an idea of the invention is that the cavity is aspirated through the opening with a cleaning tool containing a suction chamber connected to a suction device through which the dirt particles and / or liquid from the cavity accessible through the opening to the suction device be guided.
• the cleaning tool can rest on the workpiece for the workpiece-side sealing of the suction chamber with sealing action.
• the cleaning tool is separated from the workpiece during the suction through an air gap. The workpiece is then not touched by the cleaning tool during aspiration.
• the cleaning tool can rest against the workpiece with a sealing effect.
• the cleaning tool may be separated from the workpiece during suction only by an air gap.
• 1 shows a device for cleaning and / or drying a cavity with a first cleaning tool
• 2 shows a device for cleaning and / or drying a cavity with a second cleaning tool
• Fig. 3 to Fig. 6 further cleaning tools for a device for
• the device 10 shown in FIG. 1 is designed for cleaning and / or drying a cavity in the form of a threaded bore 12 in a workpiece 14.
• the device 10 includes a means 16 for suction and has a cleaning tool 18.
• the cleaning tool 18 is connected to a pressure-resistant fluid line 20 with the means 16 for suction.
• the cleaning tool 18 has a tool body 22 with an attachable to the surface 24 of the workpiece 14 connecting portion 26.
• a cylindrical suction chamber 28 is formed, which is arranged in the application portion 26 workpiece suction opening 30 for the suction of medium from the threaded bore 12 has.
• the cleaning tool 18 has a tubular body 34 having a tubular body portion 36 disposed in the suction chamber 28.
• In the tube body 34 there is a fluid channel 38 for supplying cleaning fluid in the form of ambient air into the threaded bore 12.
• the fluid channel 38 has an outside of the suction chamber 28 arranged inlet opening 40, at which the ambient air is provided at the atmospheric pressure p a t s 1000 mbar.
• the fluid channel 38 is open like a funnel.
• the tube body 34 is passed through the workpiece-side suction port 30 of the suction chamber 28 and formed as an insertable into the threaded bore 12 dip tube having a frontal end 37 and a workpiece-side outlet opening 65 has.
• the tubular body 34 may be formed adjustable in length.
• the tube body 34 then z. B. have a telescopic mechanism, which has a first tubular body portion and a second tubular body portion, which is linearly movably guided in the first tubular body portion.
• the application portion 26 of the cleaning tool 18 is designed annular.
• the body 22 of the cleaning tool 18 with the suction chamber 28 formed therein thus engages over the opening 42 of the threaded bore 12 in the manner of a suction bell. It then rests against the surface 24 of the workpiece 14 with a sealing effect with a workpiece-side end face 44 acting as a connection surface.
• the suction chamber 28 is configured as a cylindrical cavity extending in the direction of a cylinder axis 46.
• the tubular body 34 has a tubular body portion 36 extending in a tubular body axis aligned with the cylinder axis 46.
• the suction chamber 28 is connected to the device 16 for suction.
• the device 16 has a vacuum tank 48, which is connected to the negative pressure fluid line 20.
• a vacuum pump 50 for evacuating the vacuum container 48, there is a vacuum pump 50 in the device 16.
• the vacuum pump 50 is connected to the vacuum container 48 with a pressure-resistant fluid line 52.
• the device 16 indicates as a isolator 54 a arranged in the fluid line 20 fast-switching shut-off valve with which the fluid line 20 can be released and locked.
• a shut-off valve 56 is arranged, with which the vacuum pump 50 can be separated from the vacuum container 48 in short switching times At ⁇ 1 s, preferably At + ⁇ 0.1 s.
• the vacuum vessel 48 has an outlet valve 58 which serves to vent the vacuum vessel 48 when needed and to direct dirt and condensate accumulated therein into a receptacle 60 for disposal.
• the vacuum container 48 contains a dirt trap 62, which prevents the introduction of dirt particles 63 through the fluid line 20 into the vacuum pump 50.
• the vacuum container 48 is first evacuated with the vacuum pump 50, wherein the obturator 54 and the outlet valve 58 is closed. After evacuation, the shut-off valve 56 is then blocked.
• the cleaning tool 18 is then positioned with its application section 26 on the surface 24 of the workpiece 14 such that the cleaning tool 18 covers the opening 42 of the threaded bore 12 and abuts the end surface 44 acting as a contact surface against the surface 24 of the workpiece with a sealing action. Then the obturator 54 is opened suddenly. The result is that a negative pressure is formed in the suction chamber 28 and in the threaded hole 12 communicating therewith. As a result, ambient air is drawn in through the inlet opening 40 of the tubular body 34 in the direction of flow 64 indicated by the arrows 64.
• the fluid channel 38 has a funnel-shaped mouth section 39. In the funnel-shaped mouth portion 39 is the effective diameter D F of the fluid channel 38 in the direction of the inlet opening 40 direction towards a Eint tts sacrificer D E funnel-shaped expanded.
• the ambient air is then in the direction indicated by the arrows 66 flow direction through the suction chamber 28 and the fluid line 20 into the vacuum container 48th sucked until the obturator 54 is closed again.
• the fluid flow 64 from ambient air fed into the threaded bore 12 through the tubular body 34 is coaxial with the flow 66 of the fluid sucked out of the threaded bore 12 in the threaded bore 12 and runs close to the axis with respect to the cylinder axis 46.
• the vacuum container 48 with the suction pump 50 is then evacuated again.
• the suction pump 50 in the device 10 can be operated in particular continuously. It is preferably dimensioned such that the negative pressure in the vacuum container 48 does not fall below a threshold value required for efficient cleaning and / or drying even after successive cleaning and / or drying of a plurality of threaded bores 12.
• FIG. 2 shows a further device 110 for cleaning and / or drying a cavity with a second cleaning tool 1 18.
• the cleaning tool 1 18 here has a suction chamber 28 with a suction opening 32 opposite the suction opening 32.
• the arranged in the suction chamber 28 tubular body portion 36 of the tubular body 34 is arcuately curved here.
• FIG. 3 shows a further cleaning tool 218 for use in a device for cleaning and / or drying a cavity in the form of a threaded bore 12 in a workpiece 14.
• the cleaning tool 218 has an application section 26 with an annular sealing body 220 received therein. In the cleaning tool 218, it is ensured by means of the sealing body 220 that the application section 26 bears against the surface 24 of the workpiece 14 with a sealing effect.
• FIG. 4 shows a further cleaning tool 318 for use in a device for cleaning and / or drying a cavity in the form of a threaded bore 12 in a workpiece 14.
• the assemblies of the cleaning tool 218 shown in FIG Figure elements the components shown in FIG. 1 and match guren comprisen, these are identified by the same numbers as reference numerals.
• the cleaning tool 318 has an application portion 26 with a sealing body 320 received therein, which is designed as a bellows. In the case of the cleaning tool 318, it is ensured by means of the sealing body 220 that the application section 26 bears against the surface 24 of the workpiece 14 with an effect sealing the opening 42 of the cavity 12 to the suction chamber 28.
• FIG. 5 shows the cleaning of a threaded bore 12 in a workpiece 14 with a cleaning tool 18 shown in FIG. 1, which contacts the workpiece 14 in a contactless manner.
• the width bi_ of the air gap 1 1 is so small that a negative pressure is formed in the threaded bore 12 when the suction chamber 28 of the cleaning tool 18 is connected to the evacuated vacuum container 48.
• FIG. 6 shows a further cleaning tool 418 for use in a device for cleaning and / or drying a threaded bore 12 in a workpiece 14.
• the assemblies of the cleaning tool 418 shown in FIG. 6 and the figure elements shown there are as shown in FIG Fig. 1 shown assemblies and figure elements correspond, these are identified by the same numbers as reference numerals.
• the pipe body 34 is disposed in the suction chamber 28. It does not protrude into the threaded bore 12 of the workpiece 14.
• the tool body 22 has here in the application section 26 of the cleaning tool 18, a workpiece-side end face 44 with a face surface plane 45, in which the workpiece-side end 37 of the tubular body 34 is arranged.
• the workpiece-side end 37 of the tubular body 34 is set back there relative to the end face plane 45 of the workpiece-side end face 44.
• the invention also extends to a device for cleaning and / or drying a cavity, in which combinations of features from different embodiments described above are encountered. The same applies to the above-described methods for cleaning and / or drying a cavity.
• the invention relates to a device 10, 1 10 for cleaning and / or drying of an accessible through an opening 42 cavity 12, such as a recess in a workpiece 14, for. B. a bore, in particular a threaded hole.
• the device 10, 10 has a means 16 for aspiration and includes a cleaning tool 18, 1 18, 218, 318, 418 which includes a suction chamber 28 connectable to the means 16 for aspiration.
• the suction chamber 28 has a suction opening 30 for the suction of medium from the cavity 12.

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Cleaning In General (AREA)
• Cleaning By Liquid Or Steam (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=53524762

Family Applications (1)

Country Status (5)

Families Citing this family (13)

Family Cites Families (8)

• 2014
  • 2014-07-04 DE DE102014213089.1A patent/DE102014213089A1/de not_active Withdrawn
• 2015
  • 2015-06-30 CN CN201580013702.6A patent/CN106102938A/zh active Pending
  • 2015-06-30 EP EP15734633.9A patent/EP3164242A1/de not_active Withdrawn
  • 2015-06-30 WO PCT/EP2015/064908 patent/WO2016001262A1/de active Application Filing
• 2016
  • 2016-12-30 US US15/395,433 patent/US20170106413A1/en not_active Abandoned

Non-Patent Citations (2)

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