• 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:
    The present invention relates to a device for catching (3b) from an object (3) The device comprises an inlet opening of detached particles which are processed by the tool (1). (8) into an internal space (7). (10, 10b) which is detached below a processing process, The device comprises (3), to the container and that it contains a first material (13) control means adapted to guide particles (6) inner space (7) via inlet opening (8) inner space (7) having a consistency so that it is capable of receiving and retaining detached particles (3b) which are led into the interior space (7) during the processing process. (Fiq- l)
    公开号:SE1050728A1
    申请号:SE1050728
    申请日:2010-07-02
    公开日:2012-01-03
    发明作者:Arto Suoniemi；Magnus Emerius
    申请人:Westinghouse Electric Sweden；
    IPC主号:
    专利说明:

    sensitive parts of the reactor tank such as the fuel rods. The particles can essentially not leave the reactor tank without. they accumulate over time in an increasing amount inside the reactor tank.
    However, it is known to provide reactor tanks with different types of filters where such particles are captured. However, such filters must be emptied and there is always a risk that loose particles will have time to get stuck in an unsuitable place in a reactor tank before they are trapped in such a filter.
    SUMMARY OF THE INVENTION An object of the present invention is to provide a device which is guaranteed to capture and retain all loose particles formed when a tool processes a surface of an object.
    This object is achieved with the device mentioned in the introduction, which is characterized in that the device comprises control means which are adapted to lead particles, which are released during a processing process, to the interior of the container. space via said opening and that the inner space contains a first material which has a consistency so that it has the ability to receive and retain detached particles which are led into the interior. the space during the machining process. By giving said control means a suitable design, essentially all formed particles can be led into the interior space of the container where they are retained in an efficient manner by the first material. Such a first material may have a viscous or paste-like consistency. However, the first material should have a consistency so that the formed particles can be introduced into the material with a relatively small resistance.
    At the same time, the material must have a consistency so that the particles are retained by the material. Thus, the tool with the container can also be removed from the workplace without the risk of trapped particles falling out. A wax-like substance with suitable properties may constitute such a first material.
    According to one embodiment of the present invention, the first. the material is curable and. that the device. includes curing agents that are adapted to cure the first material so that it turns into a solid state after a processing process has been completed. When the first material hardens, it forms a solid body of material that encloses the trapped particles. Thus, there is no risk of individual particles falling out of the container. The risk of parts of the first material falling out of the container is thus also eliminated. The first material can then be cured by coming into contact with curing agents such as ambient air, water, natural light, ultraviolet light, infrared light, etc. It is also possible to arrange a source in connection with ultraviolet light against the holder which for example, emits, the first material to be cured.
    According to an advantageous embodiment of the present invention, said curing means comprises supplying a curing material which is mixed with the first material in the internal space so that a curing of the first material is obtained. In this case, a curing material is added which advantageously reacts chemically with the first material so that it cures and forms a rigid body of material. The first material advantageously has the property that it cures for a certain time after the materials have been mixed. As long as the machining process is ongoing, the first material must have a consistency that enables it to capture the particles formed during the machining process. As fast as.The machining process. is ready, the curing should take place as soon as possible. The curing should take place before the container is removed from the object.
    According to another embodiment of the present invention, the device comprises a connection for supplying the first material to the interior space of the container. With such a connection, the container can first be arranged in a working position in relation to an object to be processed before the first material is supplied to the container. This is especially an advantage when the work is to take place in hard-to-reach spaces and when any material in the interior space in this case can. the device also comprise a connection for supplying the hardening material to the container risks falling out on the way to the working position. free space. By simultaneously adding the said material to the interior space, a good mixing effect can be obtained. The interior space can. however, it is provided with a mixing device of a suitable type which guarantees that the material is mixed in the required manner.
    According to another embodiment of the present invention, the first material is combustible in a cured state. In some cases, it is desired to examine the part clearances that are released during processing processes. In this case, the rigid body of material enclosing the metal particles can be heated to a temperature at which the body of material burns. Thus, the entrapped metal particles can be released and examined.
    Alternatively, the first material may have a lower melting point than detached particles from said object retained within the first material. When a non-curing first material is used, this can be an alternative, such as a wax substance, native to release and enclose the particles.
    According to an embodiment of the present invention, said guide means comprise a contact portion with a contact surface adjacent to the tool opening which is adapted to abut against a surface of an object which is machined by the tool.
    Thus, a tight contact can be obtained between the container and the object sdm prevents the first material from leaking out of the container during a processing process. Advantageously, the contact surface of the container has a design so that it extends completely around a machining portion of the tool which is in contact with and machins a surface of the object. With such a to completely enclose the machining portion of the tool and prevent the pair contact portion, the inlet opening of the container ticks from the machining process can be directed in other directions than into the interior space of the container. The contact portion may comprise a guide surface which is located. inside about the contact surface which is adapted to lead loose particles into the interior space. This facilitates the introduction of formed particles into the interior space inside the container.
    According to an embodiment of the present invention, the device comprises resilient means which are adapted to hold the container with a resilient force against a surface of the object when the tool performs a machining process. Thus, a tight connection between the container and the object is maintained substantially independent of the position of the tool. At least a portion of the tool may be in contact with the first material within the interior space of the container. The movements of the tool can in this case provide mixing movements which facilitate the hardening of the first material. The container may have a second opening and the tool extending into the interior of the container may burn it. second opening. One. such a second opening is advantageously arranged on an opposite side of the container in relation to the inlet opening so that an elongate tool can extend across the container.
    According to an embodiment of the present invention, the device comprises a displacement mechanism adapted to provide a displacement movement of the tool from an active position to an inactive position after a machining process has been completed so that the first material can come into contact with any remaining particles in the area that has been in contact with the tool. When a machining process is completed, there may be loose particles between the machining part of the tool and the surface of the object. In order to ensure that such particles are also received in the first material, the tool is thus displaced some distance from the object when the work has been completed. a viscous consistency penetrates into a depression or Thus, a first material with such as. the tool provided and. catch. in. any loose particles. The first material in this case receives a casting of the machined surface. Thus, information can be obtained about the geometry of the machined surface. Alternatively, an image of the machined surface can be made with a subsequent container which is arranged around the machined surface after which a material is added which is formed after the machined surface.
    BRIEF DESCRIPTION OF THE DRAWINGS In the following, a preferred embodiment of the invention is described as an example with reference to the accompanying drawing, in which: Fig. 1 shows a tool for mechanical processing according to the present invention.
    DETAILED DESCRIPTION OF A PREFERRED EMBODIMENT OF THE INVENTION Fig. 1 shows a part of an apparatus for mechanical processing.
    Apparatus. includes with a machining tool]. which in this case is a milling tool. Alternatively, the machining tool can be intended for drilling, filing, grinding, etc.
    The device can. with. advantage. is carried by a suction cup device or the like for carrying out repair work inside. a reactor tank. The suction cup device can be lowered into the reactor tank and position the device adjacent to a wall surface where a mechanical machining is to be performed. During mechanical processing, metal particles in the form of chips or the like are inevitably released. It is of great importance that such metal particles are collected in an efficient manner so that they do not remain in the reactor tank where they can cause abrasion damage to sensitive parts of the reactor tank such as the fuel rods.
    The apparatus comprises a schematically shown housing 2. The housing comprises an opening 2a so that one end of the tool 1 can be arranged inside the housing 2. An opposite end of the tool 1 comprises a machining portion 1a which is adapted to machin a surface 3a of an object 3 inside, for example, a reactor tank. The housing 2 contains a schematically shown drive mechanism 4 for operating the tool 1. The drive mechanism 4 is in this case adapted to supply a rotational movement to the tool 1.
    A schematically shown displacement mechanism 5 is adapted to move the tool in an axial direction between an active position and an inactive position.
    The apparatus comprises a device for catching loose particles 3b when the object 3 is processed by the tool 1. The device comprises a container 6 having an internal space 7. An inlet opening 8 to the internal space 7 of the container 6 is arranged in connection with the tool processing part la. The tool 1 extends into the container 6 via an opening 6a and a small distance out of the container 6 at the inlet opening. A spring member S3 allows a resilient axial movement of the container 6 relative to the tool 1. The container ís has a contact portion 10 j. Connected to the inlet opening 8. machined by the tool 1. The contact surface 10a is designed so that it extends completely around the machining portion 1a of the tool. The contact portion 10 comprises a guide surface 10b which is located inside the contact surface 10a. The guide surface 10b is adapted to lead detached particles 3b to the interior space 7.
    The container 6 comprises a first connection for supplying a first material 13 to the interior space 7. The first material has a slightly viscous consistency or paste-like consistency. The connection comprises a line 11 which leads the first material 13 from a first storage container 12 to the inner space 7 of the container 6 by means of a first feeding means 14. The container 6 comprises a second connection for supplying a second material 17 to the inner the space 7. The second connection comprises a line 15 which leads a second material from a second storage container 16 to the inner space 7 of the container 6 by means of a second feeding means 18. The second material is a hardening material which when mixed with the first material provides a chemical reaction so that the first material 13 cures and solidifies. The first material 13 hardens and solidifies for a certain time after the material has been mixed. An evacuation pipe 19 for water is connected to the container 6.
    When a mechanical processing of an object 3 in, for example, a reactor tank is to be performed, the apparatus is connected to a suction cup device or similar attachable device. The suction cup device is lowered into the reactor tank to a specific position relative to the object 3. You attach to the object surface 3a so that the tool obtains a desired position of the suction cups of the suction cup device in relation to the object to be machined. The suction cup device can be controlled by an operator standing next to a reactor basin or on a bridge extending over the reactor basin. The reactor basin and the reactor tank are filled with reactor water. The operator then activates the apparatus so that the housing 2 is moved to a machining position in relation to the surface 3a of the object. In this position, the spring member 9 presses the contact surface 10a of the container 6 against the surface 3a of the object with a suitable resilient force. The contact portion 10 of the container 6 forms, in the processing position, a tight connection between the container 6 and the surface 3a of the object.
    The first feeding means 14 is activated so that the first material 13 feeds into the inner space 7 of the container 6.
    At the same time, the second feeding means 18 is activated, which feeds the second material 17 into the inner space 7 of the container 6. The second hardening material 17 is generally supplied in a much smaller amount than the first material. Existing water inside the interior space is evacuated through the evacuation tube 19 in connection with the feeding of the two materials 13, 17. It is thus possible with a camera on the suction cup device to detect when the supplied material 13, All water inside the container 6 17 is led into the interior space 7 provides those in most The evacuation tube 19 is advantageously transparent. It l7 begins to penetrate into. The evacuation pipe 19. should thus have been evacuated. Then the two materials 13, drop a good mixture. Alternatively, the device may comprise a mixing means which mixes the first material 13 and the second material 17. the roof surface 10b and the surface 3a of the object ensure that they are retained inside the container 6.
    The tight abutment between the conveyed materials 13. After the container 6 has been filled with the first material 13 and the second material 17, the drive mechanism 4 is activated so that the tool 1 obtains a rotational movement. The rotating machining portion 1a in this case provides a recess 3c in the surface 3a of the object. The material cut off by the machining portion 1a forms particles 3b in the form of metal chips. The rotating machining portion 1a usually gives the detached particles 3b a movement in at least one direction. The inclined guide surfaces 10b help to guide the particles 3b into the internal space 7 which are not directly led into the internal space 7. Optionally, the tool 1. provides movements in the supplied materials 13, 17 which. results in the detached particles 3b successively. such movements in the materials 13, 17 also promote a good mixing between the supplied materials 13, 17. the second 17 has a consistency so that they have the ability to The first material 13 and receive and retain loosened the particles which are led into the internal space 7. They have a consistency which is so loose that the particles 3b can penetrate into the materials 13, 17 relatively easily. At the same time they have a consistency which is so firm that the particles 3b substantially kept inside the materials 13, 17 in existing positions, ie. they do not sink downwards in the materials 13, 17 by their own weight.
    When the machining process is completed, the drive mechanism 4 stops the drive of the tool 1. The displacement mechanism 5 pushes the tool 1 to an inactive position inside the container so that the machining portion 1a is displaced a distance from the surface 3a of the object. Thus, the mixture of the two materials 13, 17 can come into contact with any loose particles 3b which are located in connection with the depression 3c which the tool 1 has 17 mixed in the inner space 7 of the container 6, thus a hardening of the created one takes place. After the two materials 13, the first material after a certain time. The first material 13 thus becomes a solid state. With knowledge of the curing time for the first material 13, the operator knows how long the machining process may take at most. Then the processing process. is ready: the operator must wait until the first material 13 has hardened before releasing the container 6 from the surface 3a of the object. When the first material has hardened 13, it forms a solidly cohesive body of material which encloses the particles 13b captured during the processing process. In this case, the solid body receives a casting of the pit 3c. Thus, information can be obtained about the pit's 3c geometry.
    The apparatus is displaced from the machining position and the contact portion 10 is removed from the surface 3b of the object. Since. the 11 supplied materials now consist of a solid material body, there is no risk of the particles 3b or parts of the material oozing and falling into the reactor tank. Suction cup device is lifted out of the reactor tank basin and the container 6 with the tool 1 is detached from the apparatus. The container 6 with the tool 1 can then be applied in an oven or similar heat source where they are heated up to a suitable temperature which can be about 300 ° C. The solid material body in this case has the property that it is combustible at this temperature. When the solid material body has been burned, the tool 1 can be detached from the container 6 and the metal particles 3b collected. The material particles 3b can be examined and their radioactive radiation 3 can, for example, be measured.
    The present invention is in no way limited to the embodiments described above in the drawings but can be freely modified within the scope of the claims. In this case, a curing material is added to provide a curing of the first material. However, it is possible to use a first material that grows without the addition of a hardening material. The first material can have the property of curing when it comes in contact with air. The first material can also be cured by water or ambient light. by. that it is exposed to, for example, ultraviolet light from a source arranged in connection with the container.
    It is also possible to use a first material that does not need to be cured. It can have a consistency so that it both receives and retains particles in a safe way without the need to harden. Such a first material can be any wax-like substance which has a consistency suitable for this purpose. In order to release the metal particles inside the wax blank, the container with the wax blank can also be heated in this case. In this case, the wax substance can melt so that the particles are released. In the example above, the internal space of the container is filled with suitable materials after the tool has been applied in a machining position. However, it is possible to fill the container with 12. a first material and possibly a hardening material before the apparatus is applied in a processing position.
    权利要求:
    Claims (14)
    [1]
    Device for catching detached particles (3b) from an object (3) (1), the container comprising a container (6) having an inlet opening (7), characterized in that the (10, 10a) which is released during a machiner which is machined by the tool, the device (8) to an internal space of the order comprising control means son1 are adapted (3), to the container (6) to guide the partitioning process, the internal space (7) via and that the internal space (7) contains a first material (13) that it is capable of receiving and retaining detached particles (3b) which are led into the interior space (7) under the inlet opening (8) which has a consistency so the processing process.
    [2]
    Device according to claim 1, characterized in that the first material (13) is curable and in that the device comprises hardening means (17) which is adapted to cure the first material (13) so that it changes to a solid state after a processing has been completed.
    [3]
    Device according to claim 2, characterized in that said curing (17) internal means comprises supplying a curing material (13) therein so that a curing of the first material mixed with the first material space (7) (13) obtained
    [4]
    Device according to claim 3, characterized in that the first material (13) has the property that it cures for a certain time after the materials have been mixed. Device according to one of Claims 2 to 4, characterized in that the device comprises a connection (11) for conveying the first material to the spacious space (7) of the container (6). Characterized in that the device comprises a connection 14 sensing (15) to the container
    [5]
    Device according to one of the preceding claims, supply of the internal space (7) of the hardening material (17) (6).
    [6]
    Device according to one of the preceding claims, characterized in that the first material (13) is combustible in a cured state.
    [7]
    Device according to any one of the preceding claims, in that the first material (13) has a lower melting point than characterized by the detached particles (3b) from said object (3) which are retained inside the first material (13).
    [8]
    Device according to any one of the preceding claims, characterized in that said guide means comprises a contact portion (10) with (10a) which is adapted to abut against a surface adjacent to the inlet opening (8) (3a) of an object a contact surface (3) processed by the tool (1).
    [9]
    Device according to claim 8, characterized in that the contact surface (10a) of the container has a design completely around a processing portion so that it extends (1a) (3a) of the object (3). of the tool that is in contact with and processes a surface
    [10]
    Device according to claim 8 or 9, (10) gene internally. if. contact surface 10a, characterized in that (10b) which. is customized. that the contact portion comprises a guide surface which is guided into detached particles (3b) to the inner space (7).
    [11]
    Device according to one of the preceding claims, characterized in that the device comprises resilient means (9) which are adapted to hold the container (6) (3a) of the object (3) during the tooling process (1). with a resilient force against a surface performs a bearing
    [12]
    Device according to one of the preceding claims, characterized in that at least a part of the tool (1) is in contact with the first material (13) inside the inner space (7) of the container (6).
    [13]
    Device according to claim 12, characterized in that the container (6) has a second opening (6a) and that the tool (1) extends into the interior space (7) of the container (6) via the second opening (6a).
    [14]
    Device according to any one of the preceding claims, characterized in that the device comprises a displacement mechanism adapted to provide a displacement movement of the tool from an active position to an inactive position after a machining process has been completed so that the first feed (13) (3b) the tool (1). may come into contact with any remaining (30) material particles in the area that has been in contact with
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    引用文献:
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    SE1050728A|SE536052C2|2010-07-02|2010-07-02|Device for capturing detached particles from an object processed by a tool|SE1050728A| SE536052C2|2010-07-02|2010-07-02|Device for capturing detached particles from an object processed by a tool|
    JP2013518335A| JP5855097B2|2010-07-02|2011-07-01|Device for capturing particles separated from objects to be processed by tools|
    US13/807,118| US9296497B2|2010-07-02|2011-07-01|Device to capture particles detached from an object being processed by a tool|
    PCT/SE2011/050896| WO2012002903A1|2010-07-02|2011-07-01|A device to capture particles detached from an object being processed by a tool|
    EP11801255.8A| EP2588271B1|2010-07-02|2011-07-01|A device to capture particles detached from an object being processed by a tool|
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