• 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 invention relates to a device for optimizing the surface of coated components (eg: leather steering wheel) by means of contactless surface heating by means of infrared radiation.
    公开号:AT517851A4
    申请号:T51024/2015
    申请日:2015-11-30
    公开日:2017-05-15
    发明作者:
    申请人:Socheat Pha；
    IPC主号:
    专利说明:

    Device for effectively eliminating production-related folds in coated workpieces (using the example of steering wheels)
    According to the present known manufacturing processes for material-related components, which may be related to leather, split leather, artificial leather, fabric or other composites, preferably for steering wheels, it is necessary, the casing, which is stretched over a soft surface (plastic structure), for the purpose Aesthetic quality improvement by means of hot air (hair dryer) and manual smoothing (ironing) nachzubehandeln.
    By way of example, the structure of a jacketed steering wheel (leather steering wheel) is represented as follows: A "finger-soft" plastic structure is applied (injected, cast or otherwise applied) over a metal skeleton, which in turn is covered and glued with a material cover. For this purpose, it is necessary in known methods to roughen the blank removed from the mold contaminated with residues of release agents thoroughly by hand, due to the shape, in order to ensure a good bonding of the introduced adhesive for fixing the jacket. Subsequently, the sheath of cover material is sewn into a unit (or as a one-piece cover) pulled over the adhesive-coated foam core and manually stretched and sewn or wedged on the inner circumference of the steering wheel. To meet the aesthetic quality requirements, now the coating, which has more or less wrinkles by pulling and sewing or wedging, must be smoothed.
    The smoothing of the sheath (for example: leather) takes place according to the prior art substantially manually and is very time and cost intensive. By heating by hot air through a manually operated or stationary hot air flow (hair dryer), the leather is heated and made it supple. By stroking the folds by means of a bone stylus, the wrinkles are then smoothed mechanically by the touch. This procedure also entails great risks in terms of uncontrolled temperature introduction and thus damage to the leather surface and / or the sewing thread with it, which in turn can lead to rejects of each piece.
    In order to take this problem into account and in addition to enable cost-effective aftertreatment of the related component (preferably steering wheel), the present, novel device has been developed. This novel device works principle without contact by means of short, long or medium wave infrared radiator, with a defined beam angle. This radiation angle is realized by means of a back coating of the radiator tube made of ceramic, gold or ruby material. It has been found to be essential that the emitters are shaped and arranged according to the shape contour (steering wheel) and optionally combined with straight emitters, so that uniform, non-contact heating over the 360 ° of the component surface (preferably steering wheel surface) is ensured.
    The surface temperature can be controlled continuously via non-contact temperature sensors and the resulting parameters can be processed for heating optimization with the shortest possible heating time. The values of these findings can now be used for corresponding recipes in relation to the materials to be processed. These formulations can then each be assigned to the specific component or sheath material and retrieved.
    Another advantage of this novel device is the possibility of using water-based adhesives. Only by a targeted heat, as is possible in the arrangement of non-contact infrared emitters, the adhesive is activated to connect the materials. The adhesive is applied to the inside of the contour material blank and dried. The contour material blank is pulled over the component outer contour (preferably steering wheel outer contour), tensioned and manually sewn or wedged. The targeted and well metered heat action of the adhesive is activated only and enters into a connection with the surface of the workpiece foam (preferably steering wheel foam), wherein the bound water and also the release agent residues evaporate. Due to this technology, the tedious and time-consuming manual roughening as a work step can be completely eliminated.
    The present invention is the novel use of infrared radiators for surface smoothing of material-coated components as well as the simultaneous activation of the bond with the coated substrate.
    With the device described below, the cycle time for the production of a steering wheel with less staffing can be significantly reduced.
    The device (Fig. 1) consists essentially of a static lower part (1), in which the guide of the receiving device for the component centering preferably steering wheel hub (2) for a vertical lifting and lowering movement of the component preferably steering wheel (3) is integrated. This static lower part of the device (FIG. 1) also has a variable receptacle (4) on the inside, on which the respective lower radiator groups (5, 5 ', 5 ") are mounted. 6), which monitor the correct positioning of the component, preferably the steering wheel 3. In addition, the device (FIG. 1) is provided with a movable upper part (11) for the central receptacle (7) of the upper emitter assembly (8, 8 ') This movable upper part (11) is connected via a connection (10) to the vertical lifting and lowering device of the component receptacle (2) in such a way that it is raised when the device is open (FIG 6) The movable upper part (11) of the device (Figure 1) can either be pivoted vertically (Figure 2), lifted (Figure 3) or linearly displaced (Figure 4). horiz be pivoted ontal to make the loading area freely accessible. When the movable upper part (11) closes the device (FIG. 1), the component preferably lowers the steering wheel (3) into the respective machining position (FIG. 7) and the upper radiators (8, 8 ') are moved into the exact irradiation position (FIG. Fig. 5 / Fig. 7) brought. By the radiator arrangement from below, laterally and from above, the workpiece contour is preferably heated steering wheel contour from all sides (360 °) specifically, the sheath (eg. Leather) stretched and glued simultaneously.
    In addition, a camera can be installed over the device, which performs a surface adjustment with a stored masterpiece after opening and, if necessary, initiates an aftertreatment of the detected defect by renewed heating of the specific location. Finally, this camera can then be used to create a documentary photo with assignment to the specific component, preferably a steering wheel, which can serve as a quality document.
    The loading of the device can be done both manually and automatically by means of loading robot.
    权利要求:
    Claims (10)
    [1]
    CLAIMS:
    1. Device for optimizing the surface of coated components (eg: leather steering wheel) by means of non-contact surface heating by infrared radiation whereby the lifting and lowerable design of the component holder and the arranged both in the rigid lower part of the device and the movable upper part emitter group a complete Enclosure of the component is achieved.
    [2]
    2. Apparatus according to claim 1, characterized in that both a manual and an automated component supply is made possible by the special design and change in position of the component receptacle when opening the device.
    [3]
    3. A device according to claim 1, characterized in that at the same time an adhesive for connecting the component core is activated with the sheath during the tightening of the sheath by the heating.
    [4]
    4. The device according to claim 1, characterized in that the component is applied as needed during and after the irradiation in the interior of the device with steam.
    [5]
    5. The device according to claim 1, characterized in that the emitters are reshaped the exact contour of the component to be irradiated and arranged component optimized.
    [6]
    6. The device according to claim 1, characterized in that in addition to or instead of the contour-shaped infrared emitters even infrared emitters are used.
    [7]
    7. The device according to claim 1, characterized in that also a partial treatment of a component, for. B. segments such as bottom and top or quality-related sections is possible separately.
    [8]
    8. The device according to claim 1, characterized in that the surface temperature during irradiation is continuously monitored and logged by non-contact temperature sensor and thus an optimized program formulation for the respective component with optimized Heizintensität and heating time is determined.
    [9]
    9. Apparatus according to claim 1, characterized in that by means of a surveillance camera, a surface adjustment can be made with a stored masterpiece and automatically a post-correction is performed.
    [10]
    10. The device according to claim 1, characterized in that by means of the installed surveillance camera a slip photo is created as proof of quality.
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    同族专利:
    公开号 | 公开日
    AT517851B1|2017-05-15|
    EP3173213A1|2017-05-31|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    DE2438073A1|1973-08-08|1975-02-20|Steelcase Inc|DEVICE AND METHOD FOR REFORMING LAMINATE|
    EP1186454A1|2000-09-05|2002-03-13|Sapa Autoplastics S.p.A.|Method for producing lined panels for motor-vehicles|
    US2313968A|1937-10-02|1943-03-16|Reich Ernest|Heating device|
    US2448215A|1945-03-13|1948-08-31|Edgar J George|Electrical cooking device|
    US2615118A|1949-04-16|1952-10-21|Tuttle & Kift Inc|Raising and lowering facilities for deep well cooker heaters|CN108995224B|2017-06-06|2020-10-27|宁波方太厨具有限公司|Acrylic panel assembly bonding tool|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    ATA51024/2015A|AT517851B1|2015-11-30|2015-11-30|Device for effectively eliminating production-related folds in coated workpieces|ATA51024/2015A| AT517851B1|2015-11-30|2015-11-30|Device for effectively eliminating production-related folds in coated workpieces|
    EP16455007.1A| EP3173213A1|2015-11-30|2016-11-29|Device for the contactless surface heating of clad components|
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