• 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 milling machine for pressing friezes in a metal pile, which milling machine comprises a support table and a lower press roller and an upper press roller and wherein the lower press roller is extended with a lower conical support device and the upper press roller is extended with an upper conical support device and wherein the conical taper on the lower support device is opposite the conical taper on the upper support device.
    公开号:DK201100737A
    申请号:DKP201100737
    申请日:2011-09-26
    公开日:2013-03-27
    发明作者:Soerensen Erik Kuhr
    申请人:Kuhr Invest Aps；
    IPC主号:
    专利说明:

    FREEZING MACHINE
    The present invention relates to a milling machine.
    Description
    For doors and panels, it has hitherto been common to use wood due to its machinability. Friezes and other decorative patterns can be easily provided in wood and the easy workability together with the easy accessibility of the wood and hitherto relatively low price has made it widely used as a building material, including material for doors and panels.
    Although wood is basically an excellent material with good machinability and good strength, wood has certain disadvantages, which can be a problem especially with outdoor constructions. Wood absorbs moisture and can be affected by rot, which will damage the wood and damage the construction it is part of. Efforts have been made to counteract moisture penetration and damage to the wood by covering the surface with paint or other waterproof coating. Attempts have also been made to impregnate the wood against moisture damage and rot. Common to these measures is that they only have an effect for a limited number of years and therefore require ongoing maintenance. Furthermore, the prices of wood have risen considerably in recent years, making it more interesting to search for alternatives to wood.
    Sheet metal has already been used for panels and door fillings. These have been aluminum sheets in particular, which in themselves have good corrosion resistance as they form a protective film of alumina. If aluminum shovels are further powder-coated, they will be very robust and weather-resistant and thus particularly suitable as fillings in exterior doors and outdoor panels. The fillings and panels are typically made by gluing the aluminum sheets to an insulating material, thereby obtaining an excellent replacement for the wood panel.
    For the sake of the visual and aesthetic impression, it is often desirable to equip the plates with a decoration or decorative pattern such as a frieze. However, it has been found that it is difficult to shape friezes in sheet metal such as aluminum sheets, as they may have a tendency to strike during the shaping of the frieze. In addition, in the case of aluminum plates where the tool is not properly manufactured and adjusted, deposits can occur due to frictional resistance. These deposits will cause problems with subsequent powder coating. In all cases, the boards become unusable for fillings and panels as they can either not be glued or otherwise attached to insulation boards or varnished in satisfactory quality.
    It has thus been found that it is not economically viable to manufacture metal plates, such as aluminum plates with friezes, unless there are very large series where the required tool can bear interest. For small and medium-sized manufacturers of filling doors and panels, however, it is not at all realistically possible to purchase as large quantities as it has hitherto required to produce steel or aluminum sheets with friezes in a cost-effective manner.
    In view of the above, it is an object of the present invention to provide a milling machine which can produce smaller series and all the way down to single piece production of sheet metal with good quality friezes in a manner which is cost effective.
    Furthermore, the object of the present invention is to provide a milling machine in which the frictional resistance of the plates to be formed with a frieze is minimized, whereby the risk of damage to the plates pressed due to twists in the material is minimized.
    With the invention it has been made profitable to manufacture smaller batches of metal plates with friezes, and it is possible that the metal plates can be easily manufactured according to the dimensions desired by the user.
    The present invention thus relates to a milling machine for pressing friezes in a metal plate, which milling machine comprises a support table with a flat surface in which a lower press roll and an upper press mile are arranged in a periphery and wherein the press surfaces between the lower press roll and the upper press roll below operation of the milling machine is level with the flat surface of the support table and where the lower press roller is extended with a lower conical support device and the upper press roller is extended with an upper conical support device and where the conical taper on the lower support device is directed opposite the conical taper on the upper support device.
    The mechanical parts of the milling machine itself can correspond to a safe machine, the rollers being replaced with press rollers according to the invention and a support table according to the invention being mounted, which has the purpose of guiding and controlling the direction of the plate in which a frieze is to be pressed.
    In one edge or periphery of the laying table, the press rollers are arranged. An incision has been made in the laying table in which the press rollers can move up and down. The table top on the laying table defines a plane in which the actual pressing of the frieze essentially takes place.
    In connection with the pressing, however, part of the plate material will be displaced out of the plane. Since pressing takes place substantially in the said plane, the lower press roll and the upper press roll during operation of the milling machine will be level with the flat surface of the support table. The two rollers will be separated by a distance corresponding to the thickness of the plate in which a frieze is pressed. This thickness is typically below 1.5 mm.
    When the milling machine is not in operation, there will typically be a greater distance between press rollers as the lower press roll will preferably be below the level of the flat surface of the serving table and the upper press roll will typically be above the level of the flat surface of the serving table. The greater distance between the press rollers allows one to remove or place a plate between the press rollers. When the milling machine is to be made ready for operation, the plate to be pressed with a frieze is placed on the support table between the press rollers, which are then brought together until they press on each side of the plate.
    Preferably, both the lower and upper press rollers can rotate. The rotation is produced via shafts of the motor in the milling machine or alternatively by hand. The two press rollers rotate opposite so that they drive the plate forward on the laying table while pressing a frieze into the plate. The rotational speed of the two press rollers is adjusted so that undesired stresses do not occur in the plate, which can make it unusable for its purpose.
    To ensure that both the lower and the upper press roller have sufficient strength, they are both made of steel, preferably specially hardened steel. The press rolls can be delivered in different sizes and shapes depending on how the frieze in the plate is to be designed.
    It has unexpectedly been found that the tendency of a thin plate to strike when deformed can be minimized by the lower press roller being extended by a lower conical support device and the upper press roller being extended by an upper conical support device where the conical taper on the lower support device is opposite the conical taper on the upper support device. In this way, relatively thin metal plates can be produced, for example thin aluminum plates, which retain their flat basic shape after pressing, whereby they can be easily attached to e.g. insulation boards.
    Furthermore, it has been found that milling machine properties in avoiding undesired torsions in the plate are improved if the lower and the upper conical support device are made of a low friction material, preferably a material with a static coefficient of friction ps to aluminum or steel of about 0, 5 or less, and suitable materials are e.g. nylon or Teflon.
    Although it is possible to manufacture a milling machine according to the invention so that it can essentially be operated by hand, it is preferred that the milling machine is provided with a motor for driving the balers and that the balers are hydraulically actuated. This results in a faster and more efficient milling machine. As mentioned, the motor part and the shafts can be from a safe machine, whereby the milling machine according to the invention can be a modified safe machine.
    In order to further make the milling machine more efficient, it is preferred that the flat surface of the support table is provided with a saw with felt and / or stop ball bearings for fixing the sides of the metal plate. The felt reduces the risk of scratches and deposits on the plate. Impact ball bearings make the metal plate easier to control and control on the support table so that the frieze can be pressed precisely.
    In addition to abutment ball bearings, the laying table may have been provided with other means to make the pressing effective, e.g. means for aligning the plates and guiding them correctly through the press rollers so that a neat and straight frieze is obtained.
    In an embodiment of the milling machine, the pressing of the frieze in a metal plate can be controlled by means of a pawl against which the front part of the plate rests on the support table before the start of the pressing. When the pressing starts, the pawl sinks into a hole in the table so that the plate can slide freely on the table. In order to prevent the pawl from damaging the plate, it is preferably designed as a conical pawl. The milling machine can further be equipped with sensors such as light sensors that can be activated by a light beam. Light sensors and light rays can e.g. is used to determine the position of the plate on the laying table and when the pressing is over, so that the milling machine is switched off.
    The milling machine can be equipped with PLC control which makes it easy to operate, and the machine can be operated e.g. with push button or foot pedal.
    To make the milling machine as flexible as possible, it is preferred that the lower and upper press rollers be replaceable. Interchangeable press rollers make it possible to switch between press rollers of different shapes so that hairdressers of different shapes can be pressed. In case of wear, the press rollers can also be easily replaced. For the same reasons, it is preferred that the lower and upper support devices be replaceable.
    To further improve the result of the pressed frieze in a plate, the corners of the pressed frieze must be subjected to a further pressing in a corner press.
    The invention will now be described in more detail with reference to a drawing in which:
    Figure 1 schematically shows an embodiment of a milling machine according to the invention;
    Figure 2 is a photograph of the milling machine showing press rollers and conical support rollers together with lay-up table;
    Figure 3 is a photograph showing the press rollers facing the milling machine;
    Figure 4 is a photograph showing the laying table with a metal plate and conical pawl;
    Figure 5 is a photograph showing details such as light sensor and light emitter on the laying table; and
    Figure 6 a photograph showing the setup of the laying table with protective box on the press rollers.
    Figure 1 schematically shows a sketch of the milling machine 1 according to the invention. The milling machine 1 comprises a motor part 2 with two rotatable shafts 3 and 4. The motor part 2 can in principle be a secure machine with two shafts 3 and 4 where the rollers on the shafts have been replaced.
    The upper shaft 3 is equipped with an upper support device 5 and the lower shaft 4 is equipped with a lower support device 6. As can be seen, both the upper support device 5 and the lower support device 6 have a conical shape and where the conical taper on the upper support device 5 is opposite the conical taper on the lower support device 6. In this sketch the conical tapers are slightly exaggerated, as the tapers will often be so small that the two support devices 5, 6 can appear to the naked eye almost cylindrical. Likewise, in some embodiments, the conical tapers may be inverted relative to what is shown in the sketch of Figure 1.
    The upper shaft 3 is also mounted with the upper press roller 7 and the lower shaft 4 is mounted with a lower press roller 8. The lower shaft 4 is further mounted with a further support roller 9 to support the metal plate when pressed between the upper press roller 7 and lower press roller 8, which is done by the shaft 3 being lowered towards the shaft 4. In figure 1 a part of the support table 10 is sketched.
    All the parts on the shafts 3, 4 can be easily replaced in case they are worn or if press tools 7, 8 and support devices 5, 6 or 9 with other shapes or properties are needed.
    Figures 2 to 6 are photographs showing a milling machine according to the invention. In the photographs, the upper and lower support device are referred to as the upper and lower conical support roller.
    Figure 2 shows the press rollers and conical support rollers in the support table mounted with felt to reduce the risk of scratches and deposits in the metal plate.
    Figure 3 shows press rollers and support rollers seen towards the engine part. The photo shows abutment rollers against which the metal plate can slide during pressing.
    Figure 4 shows the support table seen from the same angle as in figure 3. On the support table is a metal plate ready for pressing and the plate rests against a conical pawl that can be guided up through the support table to control the plate.
    Figure 5 shows details of the milling machine. When a metal plate slides against the abutment rollers on the support table, the position of the plate can be determined by means of light sensors and light rays.
    Figure 6 is a photograph showing a milling machine according to the invention with motor part (modified sick machine) and press rollers shielded in a protective box to reduce the risk of personal injury. In addition, a metal plate is seen in which a frieze has been pressed.
    权利要求:
    Claims (10)
    [1]
    A milling machine for pressing friezes in a metal plate, which milling machine comprises a laying table with a flat surface in which a lower press roller and an upper press roller are arranged on a periphery and where the press surfaces between the lower press roller and the upper press roller during operation are level with the flat surface on the support table and where the lower press roller is extended with a lower conical support device and the upper press roller is extended with an upper conical support device and where the conical taper on the lower support device is opposite the conical taper on the upper support device.
    [2]
    A milling machine according to claim 1, wherein the lower press roll is below level for the flat surface of the laying table and the upper pressing roll is above the level of the flat surface of the laying table when milling machines are not in operation.
    [3]
    A milling machine according to claim 1 or 2, wherein the lower and the upper press roller can rotate.
    [4]
    A milling machine according to any one of the preceding claims, wherein the lower and the upper press roll are made of steel.
    [5]
    A milling machine according to any one of the preceding claims, wherein the lower and the upper conical support device are made of a low friction material, such as nylon or Teflon.
    [6]
    A milling machine according to any one of the preceding claims, wherein the press rollers are hydraulically actuated.
    [7]
    Milling machine according to any one of the preceding claims, wherein pressing of frieze in the metal plate is controlled by a pawl and / or light beam and light sensor.
    [8]
    Milling machine according to any one of the preceding claims, wherein the flat surface of the support table is provided with felt and / or abutment ball bearings for fixing the sides of the metal plate.
    [9]
    A milling machine according to any one of the preceding claims, wherein the lower and the upper press roller are replaceable.
    [10]
    A milling machine according to any one of the preceding claims, wherein the lower and the upper support device are replaceable.
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    同族专利:
    公开号 | 公开日
    DK177455B1|2013-06-17|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    CN103949509A|2014-05-23|2014-07-30|南通超力卷板机制造有限公司|Plate rolling machine|
    法律状态:
    2016-04-25| PBP| Patent lapsed|Effective date: 20150930 |
    优先权:
    申请号 | 申请日 | 专利标题
    DK201100737|2011-09-26|
    DKPA201100737A|DK177455B1|2011-09-26|2011-09-26|Frisemaskine|DKPA201100737A| DK177455B1|2011-09-26|2011-09-26|Frisemaskine|
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