JP2019157194A - Clip device - Google Patents

Abstract

To provide a clip device that can clip even a thin workpiece stably.SOLUTION: A clip device 1 according to this invention comprises: a suspended part 3 one end of which is suspended by and fixed on a cathode bar 2 that moves along each tank of a plating apparatus; and a pair of clip arms 4 and 5 that have pivot points at a predetermined position of the suspended part 3. The clip arms 4 and 5 comprise: rotary rollers 4E and 5E that abut against rails 7 and 8 which are located above pivot points 4A and 5A, extending along the moving direction of the cathode bar 2; and workpiece holding parts 4D and 5D that are located below the pivot points 4A and 5A to hold the workpiece. The extending part downward to the pivot points 4A and 5A has a stopper 3C for preventing the clip arms 4 and 5 from shifting slightly in the opening/closing direction.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a workpiece clip device that clips a workpiece and moves the inside of each tank in a plating apparatus.

  Patent Document 1 (Japanese Patent Application Laid-Open No. 2000-17879) is provided with a hanger rail that suspends a workpiece to be plated through a slidable hanger and conveys it by an endless conveying means, and the hanger rail. A transport interval adjusting device, and lifting the hanger suspended from the hanger rail and the object to be plated by the transport interval adjusting device and moving it in the transport direction at a speed faster than the transport speed of the transport means, The control of the preceding hanger to be plated and the plating object to be plated is set to a desired interval via a control device, the lifted hanger is transferred to the hanger rail, and the plating is performed on the adjacent hanger. The conveyance method which conveys a part continuously with a hanger rail at a desired fixed space | interval is disclosed.

  In this Patent Document 1, the hanger is provided with a latching piece extending upright at the left and right ends of the metal main body, and a block for fixing the timing belt is fixed to the rear of the main body with a bolt or the like. And two leg portions that are suspended from the main body and are fixed with bolts or the like on the front of the main body, and a fixing member that forms an interval of a required width for fitting a hanger lifting member. In between, a horizontal member is fixed, bolt holes are provided at both ends of the horizontal member in the left-right direction, and suspension members are suspended and fixed by bolts or the like, It is disclosed that a clamp member is provided, and a printed circuit board is sandwiched between lower ends of the clamp member and the suspension member.

  Patent Document 2 (Japanese Patent Application Laid-Open No. 2006-117879) is designed to reliably support the upper both ends of rectangular substrate products having different width sizes, and in the case of plating a thin substrate product while transporting it in liquid. Disclosed is a work hanger for preventing both ends of a product from being bent by liquid resistance or the like.

  The work hanger disclosed in Patent Document 2 includes a support portion that is movably supported along a horizontal cathode bar, a horizontally long substrate portion that is connected below the support portion, and a horizontally long substrate portion. It consists of a plurality of clamping clamps that are mounted horizontally at a predetermined interval, detachably hold the upper part of a rectangular board product, and suspend and support the board product in a horizontally oriented vertical orientation oriented horizontally. The clamp for clamping that is attached to both ends of the horizontally long substrate portion is slidably moved in the horizontal direction separated from the end portion of the horizontally long substrate portion, and is fixed to the horizontally long substrate portion at the slide movement position. It is characterized by comprising as follows.

  A suction plating apparatus disclosed in Patent Document 3 (Japanese Patent Laid-Open No. 2017-31438) includes a pair of arms and electrode portions provided at the tips of the pair of arms so as to face each other, and the pair of arms Is provided with a clip that is rotatably supported via a support portion at a rotation fulcrum provided on a rod extending from the conveyor. In this clip, when the clip opening / closing roller moves along the opening / closing rail and is urged inward, the electrode part is opened, and the clip opening / closing roller moves along the opening / closing rail and the inward urging is released. Thus, the workpiece is clamped by the spring force.

Japanese Unexamined Patent Publication No. 2000-17879 JP 2006-117799 A JP 2017-31438 A

  In the conventional clip that holds the sheet-like workpiece as disclosed in Patent Document 1 and sequentially conveys the inside of each tank of the plating apparatus, when the workpiece has a certain degree of strength, there was not much influence. When the workpiece was thin, there was a problem that it bent due to liquid resistance. For this reason, in the hanger disclosed in Patent Document 2, in order to solve problems such as bending when the workpiece is thin, the upper end sides in the width direction of the substrate products having different width sizes can be supported by each. Is. Further, Patent Document 3 discloses a mechanism for automatically opening and closing a clip.

  In particular, in the structure in which the workpiece is automatically clipped disclosed in Patent Document 3, when the balance of the force applied from both sides of the clip for opening and closing the clip becomes unbalanced, or the time difference in the timing of the force transmitted from the force point When this occurs, the clip is displaced from side to side with respect to the fulcrum, so that the contact surface of the clip is displaced, resulting in a problem that the workpiece is missed or the workpiece is damaged.

  For this reason, an object of this invention is to provide the clip apparatus which can be clamped stably also with a thin workpiece | work.

  For this reason, the present invention provides a clip device for suspending a workpiece that moves in each tank of a plating apparatus, wherein one end is fixed to a cathode bar that moves along each tank of the plating apparatus and is suspended. A lower portion and a pair of clip arms having a rotation fulcrum at a predetermined position of the suspension portion, and the clip arm is located above the rotation fulcrum and extends along the moving direction of the cathode bar. A rotating roller that comes into contact with the rail to be ejected; and a work holding portion that is positioned below the pivot fulcrum and holds the workpiece; and a portion that extends to the lower side of the pivot fulcrum, The stopper is to prevent the clip arm from shaking in the opening and closing direction. Furthermore, it is desirable that the pair of clip arms is urged by an urging means such as a spring in the closing direction of the clip arms.

  As a result, when the width of the rail becomes narrow, the clip arm moves in the direction in which the rotating roller moves along the rail and narrows the upper ends of the pair of clip arms. As a fulcrum, the work holding part located below the clip arm opens. Further, when the width of the rail is widened, the force that the rotating roller urges the pair of clip arms is released, so that the upper end of the clip arm is opened by the urging means, and accordingly the lower part of the clip arm is lowered. Since the work holding part located at is closed, the work can be clipped.

  In addition, since the portion that extends a predetermined length below the rotation fulcrum of the suspension portion is used as a stopper that prevents the clip arm from shaking in the opening and closing direction, the entire clip arm is prevented from tilting in the opening and closing direction. Is something that can be done. For example, when the entire clip arm is inclined to the right side due to an overswing or the like, the left clip arm is prevented from being inclined by the stopper and is held at a predetermined position, so even if the right clip arm is inclined, When the inclination of the right clip arm is released, the right clip arm matches the left clip arm, so that the clip is not clipped while being inclined and shifted, so that the workpiece can be reliably held.

  Further, the clearance between the stopper and the left and right clip arms is preferably 0.2 mm or less.

  As described above, according to the present invention, the pair of clip arms (the entire clip arm) can be moved to the left and right by an overswing or the like due to an unbalance of the left and right rails or a difference in timing of the force to the rotating roller. Even if shake occurs, the clip arm on one side is held at a predetermined position by the stopper, so that the workpiece is not pinched when the pair of clip arms are displaced. Therefore, according to the present invention, the sheet A thin thin workpiece can be reliably conveyed.

FIG. 1 is a schematic configuration diagram illustrating a closed state of a clip device according to an embodiment of the present invention. FIG. 2 is a schematic configuration diagram illustrating an opened state of the clip device according to the embodiment of the present invention. FIG. 3 is an explanatory view showing the effect of the stopper of the clip device according to the embodiment of the present invention.

  Embodiments of the present invention will be described below with reference to the drawings.

  A clip device 1 according to an embodiment of the present invention is, for example, as shown in FIGS. 1 to 3, for suspending a workpiece that moves in each tank of a plating apparatus, and in each tank of the plating apparatus. The suspension bar 3 has one end fixed to and suspended from the cathode bar 2 that moves along, and a pair of clip arms 4 and 5 having rotation fulcrums 4A and 5A at predetermined positions of the suspension 3. The

  The hanging portion 3 is fixed to the cathode bar 2 through a fixing portion 6 and extends vertically downward, and is fixed to a predetermined position of the hanging rod 3A. It is comprised by the fulcrum plate 3B in which the rotation fulcrum 4A, 5A is provided. The suspension rod 3A includes a stopper 3C extending at a predetermined length and having a predetermined width below a position where the fulcrum plate 3B is fixed.

  The clip arms 4 and 5 are constituted by force point portions 4B and 5B extending above the rotation fulcrums 4A and 5A and action portions 4C and 5C extending below the rotation fulcrums 4A and 5A. Work holding parts 4D and 5D for clipping the work are provided in the vicinity of the tips of the action parts 4C and 5C. These work holding parts 4D and 5D also serve as an electrode part for applying a cathode to the work, and are provided opposite to each other at the tips of the action parts 4C and 5C.

  Rotating rollers 4E and 5E are provided at the upper ends of the force application points 4B and 5B of the clip arms 4 and 5, respectively, and come into contact with rails 7 and 8 provided along the workpiece conveying direction. . Further, between the force application points 4B and 5B and the suspension rod 3A of the suspension part 3, a direction in which the force application parts 4B and 5B are urged outward, in other words, the work parts 4C and 5C is used. Springs 9 and 10 are provided for biasing in the direction of clipping.

  The stopper 3C has a width and a length corresponding to the gap between the action portions 4C and 5C of the clip arms 4 and 5, and the width of the stopper 3C is different from that of the stopper 3C and the clip arms 4 and 5, respectively. The clearance between the two is set to be 0.1 mm or less.

  FIG. 1 shows a state in which the rotating rollers 4E and 5E are in contact with the rails 7 and 8 to such an extent that no force is applied, or are separated from each other. As described above, since the urging force does not act on the suspension rod 3A side on the force application points 4B and 5B, the force application parts 4B and 5B are urged outward by the springs 9 and 10; Is urged in the closing direction, and the workpiece is clipped by the workpiece holding portions 4D and 5D.

  FIG. 2 shows a state in which the rotating rollers 4E and 5E are urged by rails 7 and 8 in a direction in which the rotating rollers 4E and 5E approach each other. In this way, the force application points 4B and 5B are urged inwardly against the urging force of the springs 9 and 10, so that the action parts 4C and 5C are urged in the opening direction, and the work holding parts 4D and 5D. The work is released by.

  FIG. 3 shows a case where the balance between the urging force F1 applied to the rotating roller 4E by the rail 7 and the urging force F2 applied to the rotating roller 5E by the rail 8 is lost, for example, F1> F2. Thus, when F1 is larger than F2, the clip arms 4 and 5 are inclined clockwise as a whole, but the clip arm 5 on the right side of the drawing is prevented from being inclined clockwise by the stopper 3C. Can hold the correct position. For this reason, when the urging forces F1 and F2 applied to the rotating rollers 4E and 5E are released by the rails 7 and 8, the left clip arm 4 faces the right clip art 5 held in the correct position by the stopper 3C. Since it can move, it can return to the state shown in FIG. As a result, the workpiece can be reliably clipped by the workpiece holding portions 4D and 5D.

DESCRIPTION OF SYMBOLS 1 Clip apparatus 2 Cathode bar 3 Hanging lower part 3A Hanging rod 3B Supporting point plate 3C Stopper 4,5 Clip arm 4A, 5A Rotation supporting point 4B, 5B Force point part 4C, 5C Action part 4D, 5D Work holding part 4E, 5E Rotating roller 6 Fixed part 7, 8 Rail 9, 10 Spring

Claims (1)

In the clip device for suspending the work moving through each tank of the plating device,
One end is fixed to the cathode bar that moves along each tank of the plating apparatus and is suspended, and a pair of clip arms having a pivot point at a predetermined position of the suspension,
The clip arm is positioned above the pivot fulcrum and is in contact with a rail extending along the moving direction of the cathode bar, and is positioned below the pivot fulcrum and holds the workpiece. A work holding part for
A clip device characterized in that a portion extending downward of the rotation fulcrum is used as a stopper for preventing the clip arm from shaking in the opening and closing direction.

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