• 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:
    This invention relates to electroplating. The purpose of the invention is to increase the performance of the attachment mechanism. For this, according to the invention, self-clamping spring fasteners 3 are provided, which protrude into the space between the suspensions 1 and are arranged to install or remove from them the corresponding edges of the longitudinal sides of the printed circuit boards 2. 19 hp f-ly, 19 ill.
    公开号:SU1554770A3
    申请号:SU874202002
    申请日:1987-02-27
    公开日:1990-03-30
    发明作者:Крайсель Рудольф；Пистор Дитер；Манкут Лудвиг；Косиковски Томас；Гебель Рольф；Хаасе Петер；Кун Петер
    申请人:Шеринг Аг (Фирма)；
    IPC主号:
    专利说明:

    With the other device shaft, another shaft 17, in a very elongated structure, is moved in the opposite direction.
    In the example shown in FIGS. 10-12, the suspension 1 is strengthened, in addition, retaining or retaining pins, by means of which the boards 2 in the working position intended for galvanization (stuck position) can be inserted into holes (not shown). it
    precluding the aforementioned disadvantages.
    During the fixing of the printed circuit boards 2 shown in FIG. 18 with the dash-dotted lines, the latter are in line with the rotary shafts 17 and preferably also with the suspension 1. The connection of the suspension 1 and the wallpaper of the rotary shafts 17 is structurally preferable and the simple connection prevents the printed graphics - 5, they can be made from pots 2 from falling out during the assembly phase, during which the springs 15 and 18 do not fit with enough force to jam the printed circuit boards.
    In both examples, in accordance with FIG. 6-9 and 10 and 12, the printed circuit boards must not move between the clamping springs from below or from above in the longitudinal direction of the suspension, but installed and removed can be frontally in the direction passing across the plane of the boards. This is necessary when there is no space to push the printed circuit boards up or down. This is not only convenient, but also, as a rule, faster than pushing the suspensions in the longitudinal direction. In these examples, the suspensions are shaped in such a way that harmful shielding of the product to be galvanized does not appear from the galvanizing current.
    40
    45
    50
    55
    by means of the support and guide plates 2 Suspension 1 passes through the holes in these plates 21 and then firmly snaps, for example, by welding 22. Subsequently, in each rotating support 23 forming the openings of the plates 21, they are installed with the possibility of the pivot shafts 17 are otherwise maintained in their position. Depending on the length of the suspension, the corresponding number of support and guide plates 21 is fixed on it at a certain distance from each other.
    Another preferred embodiment of the invention is that the support and guide plates 21 are both conductive at the same time (this happens on the basis of their hard and at the same time conductive connection with the suspensions 1) and, in addition, in the depicted wedged position 24 dl
    they have a very long construction,
    precluding the above disadvantages.
    During the fixing of the printed circuit boards 2 shown in FIG. 18 by the dash-dotted lines 2, the latter are in line with the rotary shafts 17 and preferably also with the suspension 1. The suspension 1 and both of the rotary shafts 17 can be connected in a structurally preferred and simple way from 0 to 0
    five
    0
    five
    by means of support and guide plates 21. Suspension 1 passes through a hole in these plates 21 and then is rigidly fixed, for example, by welding 22. Subsequently, rotary shafts 17 are rotatably mounted to each rotating support 23 forming the holes of plates 21 for the rest, however, are kept in their position. Depending on the length of the suspension, the corresponding number of support and guide plates 21 is fixed on it at a certain distance from each other.
    Another preferred embodiment of the invention is that the support and guide plates 21 are both conductive at the same time (this happens on the basis of their hard and at the same time conductive connection with the suspensions 1) and, in addition, in the depicted wedged position 24 dl
    galvanized printed circuit boards 2. The opposite pole of the current transfer is formed by clamping springs 25, which are made approximately U-shaped with a cross member 26 and bent elbows 27. The knees 27 are fixed rigidly, at least relative to the perception of rotation rigidly in the rotary shafts 17 above and below the corresponding support plate and guide plate 21. Knee 27, moreover, is bent so that their ends of the crossbar 26 are reached supports 24 so that perfect fixation of the printed circuit boards 2 is achieved. Cross bars 26 are approximately in the longitudinal direction of the rotary shaft.
    Springs 28 (Figures 13-15) can also be made in the form of flat springs, i.e. made of flat steel tape. This provides mainly linear contact and thus a larger contact surface than springs of spring wire of circular cross section which provide only point contact, which may also be advisable in other embodiments, i.e., using the spring forms described there, their location, etc.
    When working with high current densities for rapid deposition, the design of the suspension and carrier means for the springs in accordance with Fig. 16 is recommended. Here, the corresponding suspension 1 consists of a 29-g copper core with a titanium shell 30. In addition, titanium support frames 31 are provided for clamping springs 32 and 33. Printed circuit boards are indicated by the position 2 Due to this design, harmful voltage drops are prevented
    For all embodiments, it is fair that the printed circuit boards 2 can be held in the galvanic bath with the aid of the proposed suspensions, both located one above the other and also next to each other. As, for example, the suspensions 1 (FIG. 1) can be connected to each other in the usual manner from above by means of a carrying suspension.
    All designs of the proposed suspensions after removal of printed circuit boards can be cleaned in an acid bath.
    0
    five
    0
    five
    0
    five
    0
    five
    All pendants can be easily isolated by a non-conductive, acid-resistant coating so that unwanted galvanic deposition does not occur. Only the contact ends of the springs remain uncovered. In this case, cleaning in the acid bath is limited to these contacts.
    权利要求:
    Claims (20)
    [1]
    1. Spiral suspension for fastening printed circuit boards during galvanization, which includes fastening mechanisms and current leads, characterized in that, in order to increase productivity, the fastening mechanisms are made in the form of self-clamping spring elements placed on the suspension.
    [2]
    2. A suspension according to claim 1, wherein the spring elements are placed on the suspension with the possibility of forming a funnel-shaped mounting hole.
    [3]
    3. Suspension on PP. 1 and 2, characterized in that each fastening mechanism is made in the form of two self-clamping springs.
    [4]
    4. Suspension on PP. 1-3, characterized in that a hole is made in the suspension bar to accommodate the end of the spring facing away from the corresponding funnel-shaped hole.
    I
    [5]
    5. Suspension on PP. 1-3, in which the holes in the suspension bar are made to accommodate both ends of the spring, while the springs are made with convexities or protrusions facing each other.
    [6]
    6. Suspension on PP. 1-5, characterized in that the protuberances or protrusions of both springs in the longitudinal direction are offset from each other.
    [7]
    7. Suspension on PP. 1-6, characterized in that the cross-section of the suspension bar is elongated in the longitudinal direction of the springs.
    [8]
    8. Suspension according to claim 7, characterized in that the cross-section of the suspension bar is made
    diamond-shaped, and the axis is long
    The diamond is located in the longitudinal direction of the springs.
    [9]
    9. Suspension on PP. 1-8, characterized in that the spring element is S-shaped.
    [10]
    10. Suspension on PP. 1-9, characterized in that the spring elements are mounted on the rod so that it can be rotated into a wedged position and withdrawn from this position to a free position.
    [11]
    11. Suspension according to claim 10, about the fact that one of the spring elements is rigidly mounted on the rod, and the other is rotatable relative to the rod.
    [12]
    12. Suspension on PP. 10 and 11, characterized in that it is provided with rods mounted on the rods with the possibility of rotation
    with elements fixed to them.
    [13]
    13. Suspension according to claim 12, characterized in that both shafts are located on opposite sides of the rod, the longitudinal axis of symmetry of the shafts being coaxial with the longitudinal axis of symmetry of the rod and located in the same plane.
    [14]
    14. Suspension on PP. 1-13, which is characterized by the fact that it is equipped with support and guide plates attached to the suspension.
    0
    five
    0
    five
    0
    at a certain distance from one another.
    [15]
    15. Suspension equipment as claimed in claim 14, characterized in that the support guide plates are made in the form of conductive supports.
    [16]
    16. Suspension according to claim 15, characterized in that the spring elements are U-shaped with the ends fixed in the shafts and with jumpers arranged in the longitudinal direction of the shafts.
    [17]
    17. Suspension according to claim 16, characterized in that the ends of the springs protruding from the shafts are curved towards the support and the guide plate,
    [18]
    18. Suspension on PP. 1-17, which is related to the fact that the spring elements are made of flat tape.
    [19]
    19. Suspension on PP. 1-18, which is characterized by the fact that the bar is made in the form of a core or rod of copper with an outer shell of titanium.
    [20]
    20. Suspension on PP. 1-19, which is characterized by the fact that it is provided with titanium ribs attached to the titanium sheath to hold the clamping springs.
    2
    Fig.E
    H /
    FIG. four
    ten
    Type B
    /
    FIG. five
    ten
    6f
    1.J
    LPHR-k and -fSasb- / i
    I
    I j
    9/
    T
    9
    five/
    91
    Cl
    X
    g /
    g / 7f
    f /
    ii
    /
    Zl
    w
    / I
    29
    N
    29
    FIG. eleven
    B-b
    IB
    17 / / b
    16 17
    FIG. 12
    FIG. / 3
    FIG. /four
    FIG. 15
    91 Mf
    ff
    Zf
    WITH
    FIG. 18
    FIG. nineteen
    类似技术:
    公开号 | 公开日 | 专利标题
    SU1554770A3|1990-03-30|Extended hanger for fixing printed circuit-boards in electroplating
    US3950057A|1976-04-13|Composite printed circuit card guide and holding device
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    US3024301A|1962-03-06|Wiring grille
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    US4628859A|1986-12-16|Apparatus and workpiece fixture for electrostatic spray coating
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    EP1346614B1|2007-03-14|Guide and support structure
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    JP3160556B2|2001-04-25|Structure of electrical contact part of electrolytic cell
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    CA2250953C|2001-02-13|Electrical coil insulator
    US2358958A|1944-09-26|Collector brush clip
    JPH1057159A|1998-03-03|Attaching mechanism
    JP4235980B2|2009-03-11|Small plating object plating equipment
    ZA831533B|1984-04-25|Electrolytic nickel stripper from brass/copper substrate
    KR100341519B1|2002-06-22|Clamping belt for plating leadframe
    US3727380A|1973-04-17|Electrostatic precipitator
    US2511128A|1950-06-13|Plating rack
    US3056739A|1962-10-02|Electroplating rack
    KR100353180B1|2002-12-11|Electrical contact device of electrolyzer
    CZ297104B6|2006-09-13|Device for fixing connector strips used in telecommunications, control engineering, power engineering and data systems
    SU1242543A1|1986-07-07|Device for electrodeposition on metal tapes
    PL67911B1|1972-12-30|
    同族专利:
    公开号 | 公开日
    EP0239736A1|1987-10-07|
    US4752371A|1988-06-21|
    AT398581B|1994-12-27|
    CN87100995A|1988-03-16|
    ES2024439B3|1992-03-01|
    EP0239736B1|1991-07-31|
    DE3703549A1|1987-09-03|
    BG60349B2|1994-06-30|
    DE3771755D1|1991-09-05|
    JPS62253800A|1987-11-05|
    DE3703549C2|1994-05-19|
    EP0239736B2|1995-10-25|
    ATA44687A|1989-07-15|
    CA1263480A|1989-11-28|
    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
    DE3606492|1986-02-28|
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