• 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:
    A method for applying identification markings on surfaces of moving panels and strips, preferably steel sheets and steel strips. The method is particularly applicable at high speeds, in which the surface of the moving panel or strip between an inspection station and an identification or marking station, is divided into zones of a length equivalent to the marking to be applied. Every individual zone between inspection station and identification or marking station is traced electronically, and the surface of each traced zone is oxidized and melted by a laser light source. Each zone is assigned a location in a shift register associated to an inspection station, and each inspection station is assigned several inspection tasks. A shift register is used for each inspection task. Information items originating from various inspection tasks are recorded in individual shift registers at locations assigned to an individual zone. The shift registers are controlled by a clock generator synchronously with the speed of the panels or strips, and synchronously with one another.
    公开号:SU791207A3
    申请号:SU782620656
    申请日:1978-06-02
    公开日:1980-12-23
    发明作者:Гаппа Клаус
    申请人:Хеш Верке Аг (Фирма)；
    IPC主号:
    专利说明:

    laser light and has a laser beam 10 for guiding the beam and a control device 11. A control device AND a laser light source with which the transmitted strip is marked, i.e. oxidizes and melts, receives pulses from electronic device 12.
    The beam of the laser head 10 is directed to the strip 1 and marks the strip 1 on the basis of the information received from sections 3, 4 and 5. The strip thus marked is wound with a reel (not shown). In the same way, the marking can be applied to a strip cutting machine, for example, by permitting or directly after cutting to individual plates.
    During the passage of lane 1 using a generator 13 synchronized with the speed of movement of the lane. clock pulses are subdivided into zones Z. For this purpose, a generator of 13 clock pulses creates pulses with the same time interval. For example, ten pulses correspond to a 60-mm path passed by a strip. These pulses go to pulse counter 14, are counted and subdivided into groups of ten pulses, so that zones, having a length of marking applied, are located between section 3 of the control and section 7 of the marking.
    The counter has 14 pulses at the end of each group of ten pulses, i.e. at the end of each zone Z | transmits further to the shift registers 15-18 shift pulse. The shift registers 15-18 contain memory cells, while surface defects installed in area 3 of the control are correlated with the shift register 15, defects-holes detected in section 4 of the control are related to the shift register 16, and thickness deviations detected in section 5 control with shift registers 17 and 18.
    Under the action of a shifting pulse, in each shift register 15-18, the memory cell relative to one of the zones shifts further by one place. Parallel to this, defined zone 1 passes through sections 3, 4 and 5 of the control. If, for example, control section 3 detects a defect, then it posts a pulse, writing to the idle in the shift register 15 for this zone 2: memory cell. Similarly, the recording impulses from sections 4 and 5 of the control get to the memory cells of the shift registers 16, 17 and 18. In sections 3, 4 and 5 there are contacts 19-22 that, when a defect is recognized for a short time, close and create a recording pulse for the memory cell in the corresponding shift
    register 15-18. Now zone Z passes through all sections 3, 4 and 5 of the control and. suitable for marking section 7. Parallel to this, the corresponding 2 memory cells with recorded information on defects come up in shift registers 15-18 towards the end of these registers. This information is transmitted to transform from parallel to serial information to the intermediate shift register 23, so that all information relating to zone 2 is jointly accumulated in the intermediate shift register. In addition to this defect information, each of the external pulse generators 24 and 25 is indicated by the beginning and end pulse of the beginning and end of the defect information for zone Z., -. The intermediate shift register 23 receives from the pulse counter 14 a further shift pulse-s, by means of which the deflection information, including the initial and final pulse from the intermediate shift register 23, is transmitted to the control device of the laser light source 11. The control device 11 converts the incoming electronic pulse sequence into a laser light pulse sequence that corresponds to the information sequence or pulses received from the intermediate shift register 23 to the control device of the laser light source 11 when applied in time b. With laser light, lane 1 is marked by oxidation and surface melting.
    The advantages of the proposed method are that when marking fast moving strips and plates, for example, from tinplate tin that have defects in thickness, surface and hole, are marked firmly and clearly distinguishable, for example, for an optical reading device. The marking is so strong that it does not damage during unavoidable mechanical loads, for example, during the transportation of material, and also does not change unacceptably during the intermediate storage of the strip or plates.
    权利要求:
    Claims (2)
    [1]
    Invention Formula
    The method of marking continuously moving strips and plates, in which it detects a defect on a strip or plate at the inspection site, is followed by a subsequent marking of a defective sheet at the marking site, in order to prevent the passage of defects
    when marking and increasing productivity, the strip or plate section is divided into zones, each zone is electronically monitored in the intervals between the control areas and the marking area and information is provided on the presence of a defect at the marking area.
    Sources of information, taken into account during the examination
    1, USSR Copyright Certificate 153900, 08/14/62,
    [2]
    2. USSR author's certificate
    No. 253545, cl. B 21 C 51/00, 10/19/68 (prototype)
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    同族专利:
    公开号 | 公开日
    FR2393623A1|1979-01-05|
    GB2000068A|1979-01-04|
    FR2393623B1|1984-01-20|
    GB2000068B|1982-07-07|
    BE867970A|1978-12-11|
    CA1111109A|1981-10-20|
    DE2726454A1|1978-12-14|
    SE7806709L|1978-12-12|
    IT7849709D0|1978-06-05|
    JPS5512350B2|1980-04-01|
    US4304981A|1981-12-08|
    IT1104741B|1985-10-28|
    DE2726454B2|1979-08-23|
    JPS545297A|1979-01-16|
    SE432891B|1984-04-30|
    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
    DE2726454A|DE2726454B2|1977-06-11|1977-06-11|Method for marking moving panels and strips|
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