JP6469168B2 - Clamping jig for plate-like workpieces in horizontal transport plating equipment - Google Patents

Description

  The present invention relates to an improvement in a clamping jig for a plate-like workpiece in a horizontal conveyance plating apparatus.

  As a plating apparatus for a flexible plate-like object to be processed such as a printed wiring board, a conveyance driving means provided on both sides of the conveyance path for the plate-like object to be endlessly driven, and this conveyance driving means A plurality of clamp jigs that are mounted around the upper part of the clamp jig and have a gripping contact part at the lower part, and that move in parallel linear movement paths parallel to each other with the conveyance path in between. A gripping contact portion grips both side edges of a flexible plate-like workpiece from the vertical direction, and continues in one direction of conveyance along a fixed horizontal movement line with the plate surface of the plate-like workpiece up and down. The plate-like workpiece to be horizontally conveyed by being held by the holding contact portion of the clamp jig in the horizontal conveyance stroke is passed through the processing liquid in the treatment tank, and the plate-like workpiece is passed. Horizontal conveyance plating for plating processed objects Management apparatus is known.

  The present applicant has already developed and proposed the clamp jigs of Patent Documents 1 and 2 as clamp jigs for this horizontal conveyance plating apparatus.

  The clamp jig of Patent Document 1 has an upper clamp contact at the lower end in order to increase the matching accuracy of the upper and lower clamp contact portions (upper and lower grip contact portions) that grip the side edge of the plate-like workpiece from the vertical direction. Via a bolt shaft inserted into a long hole guide formed in a fixed clamp with a lower clamp contact (lower gripping contact) at the lower end. It is characterized in that it is configured to be held up and down by a fixed clamp rod. And the contact part of this clamp jig is extended and formed in the clamp moving direction.

  In the clamp jig of Patent Document 2, the lower flanges of the pair of movable clamp rods are arranged in the same row direction as the front and rear positions in the clamp movement direction with respect to the lower flanges of the corresponding fixed clamp rods, The side surfaces of the lower part of the clamp jig that passes through (the respective lower flanges of the fixed clamp rod and the movable clamp rod) are narrowed.

  The contact portion of the clamping jig is formed to have a recess groove at a position opposite to the upper and lower gripping portions formed to extend in the clamp movement direction, thereby discharging the liquid downwardly to the closed gripping portion. An outlet is formed, and the drainage of the liquid adhering to the gripping portion of the clamp jig is improved by this discharge port.

Utility Model Registration No. 3176980 JP 2017-14553 A

  The present invention makes it possible to grip the side edge of a flexible plate-like workpiece from the vertical direction by fixing the upper gripping contact portion of the clamp jig and moving the lower gripping contact portion up and down. It is an object to provide a clamp jig that can grip a side edge of a flexible plate-like workpiece uniformly in the vertical direction by swinging the gripping contact portion around the jig center. .

  A further object of the present invention is to provide a clamping jig that can improve the efficiency of energization and gripping by improving the gripping contact portion. It is another object of the present invention to provide a clamp jig capable of distributing the processing liquid around the contact portion and capable of uniform distribution to the end of the plate.

  Furthermore, the present invention provides a clamp jig that can be easily detached from the main body of the plating apparatus and that can be easily and reliably mounted, and improves the efficiency of the inspection work of the clamp jig and the main body of the plating apparatus. The purpose is to provide a clamping jig that can be used.

  In order to solve the above-described problems, the present invention (invention of claim 1) includes a transport driving means that is driven endlessly and provided on both sides of a transport path of a plate-shaped workpiece, and the transport drive. A plurality of clamp jigs having a plurality of clamp jigs having an upper part attached to the means and being moved around, and having gripping contact portions at the lower part, and moving inside linear movement paths parallel to each other with the conveyance path interposed therebetween The gripping contact portion of the flexible plate-like workpiece is gripped from both sides in the vertical direction, and the plate surface of the plate-like workpiece is moved up and down in a single horizontal movement line in one direction of conveyance. The plate-like object to be horizontally conveyed by being continuously conveyed horizontally and held by the holding contact portion of the clamp jig in the horizontal conveyance process is allowed to pass through the processing liquid in the treatment tank to form a plate shape. Clan of horizontal conveying plating processing equipment for plating the workpiece The clamp jig is connected to the conveyance driving means, and the guide rail is moved while being in sliding contact with a fixed guide rail that is fixedly disposed along a movement path of the clamp jig. A clamp jig mounting body having conductivity, fitted from the outside, and a clamp jig main body fixedly held by the clamp jig mounting body. The clamp jig main body is a lower portion of the clamp jig main body. Is arranged in a position that can move in the processing liquid of the processing tank, and the upper part of the clamp jig body is formed in a vertically long shape fixed and held by the clamp jig attachment body in the air. The clamp jig main body is provided with a gripping contact portion composed of an upper gripping contact portion and a lower gripping contact portion capable of gripping a side edge portion of the plate-like workpiece in the vertical direction at a lower end portion of the jig main body. Is that A fixed clamp portion having a long conductivity in the vertical direction, which is fixedly held by the clamp jig mounting body, and a movable clamp portion having a long conductivity in the vertical direction, which is held by the fixed clamp portion so as to be movable up and down. An upper grip contact portion is formed at the lower end portion of the fixed clamp portion, and a lower grip contact portion facing the upper grip contact portion is formed at the lower end portion of the movable clamp portion. The lower part of the clamp jig body to be put in is covered with an insulating coating treatment layer except for the upper and lower gripping contact portions, and the movable clamp portion is moved upward by the spring pressure of the compression spring. The lower gripping contact portion and the upper gripping contact portion of the fixed clamp portion are normally controlled to be closed in the vertical direction, and the movable clamp portion is placed on the upper portion of the clamp jig body. Spring pressure Gripping contact portion opening / closing control means that is moved downward against the upper and lowering direction and opened in a vertical direction is attached, and the fixed clamp portion has the upper portion of the clamp jig mounting body. A fixed plate portion provided with a bent portion having an L-shaped cross section, which is fixedly held in a vertical state on the mounting wall surface on the conveyance path side, and has a lateral width extending long in the moving direction of the clamp jig, and the fixed plate portion A plurality of the upper gripping contact portions projecting downward in a pin shape at intervals in the moving direction of the clamp jig, and the movable clamp portion is disposed above the fixed plate portion. A vertically operating rod extending in the up / down direction, held slidable in the up / down direction with the spring pressure in the upward movement direction biased by the compression spring, and below the lower end portion of the clamp jig mounting body of the fixed plate portion It can be moved from the outside to the left and right in the middle of the position. A slide having a lateral width that is longer than the lateral width of the fixed plate portion and extended in the moving direction of the clamp jig. An engagement body, a pair of movable side clamp rods extending in the vertical direction with upper end portions fixed to both ends of the slide engagement body, and a lateral width connected to both lower end portions of the pair of movable side clamp rods A bent portion having an L-shaped cross section that extends long in the moving direction of the clamp jig, and the upper gripping contact that protrudes in a pin shape upward in the bent portion with a gap in the moving direction of the clamp jig. A plurality of lower gripping contact portions opposed to the portion, and are horizontally attached to a center portion of the slide engagement body and vertically penetrated to a center portion of the slide engagement body. Inserted into the lower through hole A lower gripping contact portion (sliding engagement body, pair of movable side clamps) which is connected to a lower end portion of the vertical operation rod and the slide engagement body by a fulcrum shaft portion and is separated from the upper gripping contact portion. A plate-like plate in a horizontal conveyance plating apparatus characterized in that a hook, a bent portion, and a lower gripping contact portion are integrally mounted so as to be swingable in the moving direction of the clamp jig around the fulcrum shaft portion. Provided is a workpiece clamping jig.

  Further, according to the present invention (invention of claim 2), the contact shape of the lower gripping contact portion is a circular shape, and the contact shape of the upper gripping contact portion is an elongated shape inscribed in the circular shape (elongated shape). A clamp jig for a plate-like object to be processed in a horizontal transport plating apparatus, in which the long side of the upper gripping contact portion having an elongated shape is positioned in the moving direction of the clamp jig.

  Further, according to the present invention (invention of claim 3), bolt engagement holes are respectively drilled on both the left and right sides of the fixed plate portion of the fixed clamp portion on the left and right sides of the upper and lower operation rods. A pair of left and right fixing bolts are screwed onto the mounting wall surface of the clamp jig mounting body on the transport passage side at a position corresponding to the bolt engaging hole, and the bolt engaging hole has a lower hole portion for fixing. The bolt is formed in a width allowing passage of the bolt head, and an upper hole continuous with the lower hole is allowed to pass through the bolt shaft portion of the fixing bolt but is not allowed to pass through the bolt head. Provided is a clamping jig for a plate-like object to be processed in a horizontal conveyance plating apparatus formed in a size.

  Further, according to the present invention (invention of claim 4), the grip contact portion opening / closing control means is provided with a rotating roller at an upper end portion of the vertical operation rod, and the rotating roller clamps a circular movement path of the clamp jig. In an engaged state in which it rolls along the lower surface portion of the clamp opening / closing guide provided at the open position and having a height difference, the vertical operation rod is moved downward against the spring pressure of the compression spring, and the movable clamp portion The lower gripping contact portion and the upper gripping contact portion of the fixed clamp portion can be controlled to be opened in the vertical direction.

  Further, according to the present invention (invention of claim 5), the holding contact portion opening / closing control means is supported at the upper end portion of the fixed plate portion of the fixed clamp portion with the bent portion of the substantially L-shaped reverse lever as a fulcrum portion. The tip of the lower arm portion of the reversing lever is pivotally connected to the upper end portion of the vertical operating rod via a pin shaft and rotated to the tip of the upper arm portion of the reversing lever. In the engaged state in which the rotating roller rolls along the lower surface portion of the clamp opening / closing guide having a height difference provided at the clamp opening position of the circumferential movement path of the clamp jig, The arm portion is inverted downward with the fulcrum shaft as an axis, and the vertical operating rod connected to the lower arm portion is moved downward against the spring pressure of the compression spring, so that the lower grip of the movable clamp portion is held. Holding contact part and front And to control the upper gripping contact portion of the fixed clamp portion in the open state of being spaced apart in the vertical direction.

  According to the clamping jig of the present invention, the upper gripping contact portion of the clamping jig is fixed, and the lower gripping contact portion is moved up and down to grip the side edge portion of the flexible plate-like workpiece from the vertical direction. Since the lower gripping contact portion swings around the jig center, the side edge of the flexible plate-like workpiece can be gripped uniformly from the vertical direction.

  Furthermore, according to the clamp jig of the present invention, the efficiency of energization and gripping can be improved by improving the contact portion shape of the gripping contact portion. Furthermore, since the distribution of the processing liquid around the gripping contact portion can be improved, a uniform plating distribution can be achieved up to the plate end of the plate-like object to be plated.

  Furthermore, according to the clamp jig of the present invention, the clamp jig main body having a vertically long structure can be easily and reliably detached from the plating processing apparatus main body. The efficiency of the can be improved.

It is the front view which showed the clamp jig | tool of this invention. It is the side view which showed the clamp jig | tool of this invention. It is the side view which showed the removal | desorption state of the clamp jig | tool of this invention. It is a vertical side view by the AA arrow line of FIG. It is a cross-sectional plan view by the BB arrow line of FIG. It is a cross-sectional plan view by the CC arrow line of FIG. It is the expansion schematic which showed the upper and lower holding contact part of this invention. It is the front view which showed the other Example of the clamp jig | tool of this invention. It is the side view which showed the other Example of the clamp jig | tool of this invention. It is the side view which showed the removal | desorption state of the other Example of the clamp jig | tool of this invention. It is the schematic plan view which showed an example of the horizontal conveyance plating processing apparatus using the clamp jig | tool of this invention.

  Embodiments of the present invention will be described with reference to the drawings. First, an example of a horizontal conveyance plating apparatus using the clamp jig of the present invention will be described with reference to FIG. The horizontal conveyance plating apparatus shown in FIG. 11 has conveyance drive means 2 such as a roller chain that is driven endlessly around both sides of a conveyance path 1 of a thin and flexible plate-like workpiece P such as a printed wiring board. , 2 are disposed respectively, and a number of clamp jigs 3 are attached to the transport drive means 2 at equal intervals. A plurality of clamp jigs 3 that move along the linear drive path on the conveyance path 1 side grip both side edges of the plate-like workpiece P having parallel both-side edges from above and below, and the plate-like workpiece Continuously in one direction (in the direction of arrow F in FIG. 11) in the plating solution W of the treatment tank 5 (in this embodiment, an electrolytic plating treatment tank) is performed with a certain horizontal movement line with the plate surface of P up and down. In the horizontal transfer process. On the surface of the plate-shaped object to be processed P is obtained by so applying the electroplating process.

  The conveyance driving means 2 such as a roller chain is wound around a sprocket or a grooved pulley, and is rotated endlessly by rotating one sprocket or grooved pulley roller by a conveyance driving motor (not shown). It has become like that. The clamp jigs 3 attached at equal intervals to the conveyance driving means 2 driven around the endless are side edges of the rectangular plate-shaped workpiece P with a plurality of clamp jigs 3 as shown in FIG. It is attached at an interval that can hold the part. In FIG. 11, the clamp jigs 3... Are shown only in a partial range of the endless transport driving means (roller chain) 2, but are attached at equal intervals over the entire range of the transport driving means 2. .

  The clamp jig 3 will be described with reference to FIGS. The clamp jig 3 is connected to the transport driving means (roller chain) 2 via a connecting member 6 and fixed along a movement path (circular movement path or at least an inner linear movement path) of the clamp jig. A clamp jig mounting body 8 having conductivity, such as stainless steel, fitted on the guide rail 7 from the outside so as to move while being slidably contacted with the fixed guide rail 7 having a rectangular cross section arranged in a rectangular manner, and the clamp A clamp jig main body 10 fixedly held by the jig attachment body 8 is included. In the illustrated embodiment, the clamp jig body 10 is detachably fixed to the clamp jig attachment body 8. This detachable configuration will be described later.

  The clamp jig body 10 is disposed at a position where the lower part of the clamp jig body 10 can move in the plating solution W of the treatment tank (electrolytic plating tank) 5. The upper part has a vertically long structure that is fixedly held by the clamp jig mounting body 8 in the air, and the side edge of the plate-like workpiece P is grasped from the vertical direction at the lower end of the clamp jig body 10. A gripping contact portion including an upper gripping contact portion 11a and a lower gripping contact portion 11b that can be held is provided.

  In the present invention, the fixed guide rail 7 is made to function as a power supply rail, and the gripping contact portions (upper gripping contact portion 11 a and lower gripping contact portion 11 b) of the clamp jig 3 from the fixed guide rail (power supply rail) 7. The cathode current is supplied to the plate-like object P through the through hole. Although not shown in the figure, an anode for depositing metal ions is disposed in the plating solution W of the treatment tank (electrolytic plating treatment tank) 5 (for example, a plate-like covering horizontally transported in the plating solution W). The plate-like workpiece P to which the cathode current is fed through the clamp jig 3 is horizontally transported in the plating solution W. The surface is electroplated.

  The clamp jig main body 10 has an upper portion fixed to and held by the clamp jig attachment body 8 and has a fixed clamp portion 12 having a long conductivity in the vertical direction, and is held by the fixed clamp portion 12 so as to be movable up and down. In addition, a movable clamp part 20 having a long conductivity in the vertical direction is formed, an upper gripping contact part 11a is formed at the lower end part of the fixed clamp part 12, and the upper gripping contact part 11a is relative to the lower end part of the movable clamp part 20 A lower grip contact portion 11b is formed.

  The fixed clamp portion 12 has an upper portion fixed and held in a vertical state on the mounting wall surface 8a on the conveyance path side of the clamp jig mounting body 8, and a lateral width extended to the lower end in the moving direction of the clamp jig. A fixed plate portion 13 provided with a bent portion 17 having an L-shaped cross section, and a plurality of protrusions projecting in a pin shape downward from the bent portion 17 of the fixed plate portion 13 with an interval in the moving direction of the clamp jig. The upper grip contact portion 11a (seven in FIG. 1) is provided.

  The fixed clamp portion 12 of the illustrated embodiment is fixedly held by a vertical mounting wall surface 8a on the conveyance path 1 side of the clamp jig mounting body 8 from a lower end portion of the clamp jig mounting body 8. A fixing plate member 14 having a wide width having an extending portion 14a extending downward, and a spacer member 15 (shown in FIG. 5) made of a conductive material on the back side of the extending portion 14a of the fixing plate member 14. A fixed-side clamp rod 16 extending vertically in the vertical direction with its upper end fixed, and a cross-section in which the lateral width connected to the lower end portion of the fixed-side clamp rod 16 is elongated in the moving direction of the clamp jig An L-shaped bent portion 17 and a plurality of upper gripping contact portions 11a (in FIG. 1, 7 in FIG. 1) projecting downward in a pin shape with a gap in the moving direction of the clamp jig on the distal end side of the bent portion 17. Provided).

  The movable clamp portion 20 is held in a vertical direction that is slidable in the vertical direction in a state in which a spring pressure in the upward movement direction is biased by a compression spring 22 to the fixed plate member 14 above the fixed plate portion 13. The extended vertical operating rod 21 and the extension portion 14a of the fixed plate member 14 are fitted with a play width that can be slid in the left-right direction from the outside, and are held by the extension portion 14a so as to be slidable in the vertical direction. A slide engagement body 25 having a lateral width longer than the lateral width of the fixing plate member 14 and extending in the moving direction of the clamp jig, and upper ends thereof are fixed to both ends of the slide engagement body 25, respectively. A pair of movable side clamp rods 26 extending in the up-down direction, and a lateral width coupled to both lower ends of the pair of movable side clamp rods 26 are bent in an L-shaped cross section extending in the moving direction of the clamp jig. And a plurality of the lower gripping contacts facing the upper gripping contact portion 11a projecting upward in a pin shape at an interval in the moving direction of the clamp jig on the distal end side of the bent portion 27 A portion 11b (seven in FIG. 1) is provided. As shown in FIG. 5, the back surface portion of the slide engagement body 25 is formed by notching a portion corresponding to the mounting position of the spacer member 15 of the fixed clamp portion 12. Then, the vertical operation is performed such that the slide engagement body 25 is axially attached to the center of the clamp jig in the moving direction of the clamp jig and is vertically penetrated through the center of the slide engagement body 25 in the movement direction of the clamp jig. A lower end portion of the vertical operating rod 21 and the slide engagement body 25 are connected by a fulcrum shaft portion 30 inserted through a through hole 28 in the lower portion of the rod 21, and is in a separated state with respect to the upper gripping contact portion 11 a. The side holding contact portion 11b (the slide engaging body 25, the pair of movable side clamp rods 26, the bent portion 27, and the lower holding contact portion 11b are integrated) moves the clamp jig around the fulcrum shaft portion 30. As shown by an arrow S in FIG. 1 in a direction (so-called left-right direction), the structure is attached so as to be swingable.

  According to the clamping jig of the present invention, the upper holding contact portion 11a of the clamping jig is fixed and the lower holding contact portion 11b is moved up and down to move the side edge portion of the flexible plate-like workpiece P up and down. It can be gripped from the direction. In addition, the lower gripping contact portion 11b is swung with the fulcrum shaft portion 30 at the center of the jig as a fulcrum, so that the lower gripping contact portion 11a operates upward from the separated position toward the fixed upper gripping contact portion 11a. Since the gripping contact portion 11b is abutted evenly so as to follow the upper gripping contact portion 11a, the side edge portion of the flexible plate-like workpiece can be gripped uniformly in the vertical direction.

  The vertical operation rod 21 is inserted into upper and lower holding guide portions 23A and 23B provided in a fixed state on the fixed plate member 14 above the fixed plate portion 13 so as to be movable up and down, and the lower holding guide portion 23B and A compression spring (compression coil spring) 22 interposed in a state where the rod is inserted between spring locking bodies 24 fixed around the rod at a position above the holding guide portion 23B in the upward movement direction. The spring pressure is held in a biased state. Then, the movable clamp portion 20 including the slide engagement body 25 connected to the lower end portion of the vertical operation rod 21 is moved up by the spring pressure of the compression spring 22, and the lower gripping contact portion 11 b of the movable clamp portion 20 and The upper gripping contact portion 11a of the fixed clamp portion 12 is controlled to a closed state in which the upper clamp contact portion 11a is closed in the vertical direction in a normal state.

  On the upper part of the clamp jig main body 10, the movable clamp part 20 is moved downward against the spring pressure of the compression spring 22, and the grip contact part 11 is opened apart in the vertical direction. Opening / closing control means is provided. This gripping contact portion opening / closing control means is provided with a rotating roller 41 at the upper end of the up-and-down operating rod 21, and the rotating roller 41 is provided at the clamp opening position of the circumferential movement path 4 of the clamp jig 3. In the engaged state of rolling along the lower surface portion of the clamp opening / closing guide 42 having the above, the vertical operating rod 21 is moved downward against the spring pressure of the compression spring 22 to hold the lower side of the movable clamp portion 20. The contact portion 11b and the upper gripping contact portion 11a of the fixed clamp portion 12 are configured to be controlled to be opened in the vertical direction.

  The lower surface portion of the clamp opening / closing guide 42 has an intermediate portion in the moving direction of the clamp jig 3 as a lower lower surface portion 42a, and both sides of the lower lower surface portion 42a are inclined lower surface portions 42b that gradually become higher from the lower lower surface portion. It is as.

  As shown in FIG. 7, the contact shape of the lower gripping contact portion 11b is formed into a circular shape, and the contact shape of the upper gripping contact portion 11a is formed into an elongated shape (long and narrow shape) inscribed in the circular shape. The long side of the elongate upper gripping contact portion 11a is positioned in the moving direction of the clamp jig. FIG. 7 shows a state in which the upper gripping contact portion 11a is viewed from below, and a lower gripping contact portion 11b is viewed from above. For convenience of understanding, the upper gripping contact portion 11a and the lower gripping contact portion 11b are illustrated in FIG. The contact shape of the side grip contact portion 11b is indicated by hatching.

  As described above, the gripping contact portions (upper gripping contact portion 11a and lower gripping contact portion 11b) of the clamp jig that supplies power to the plate-shaped workpiece P are moved in the bending portion 17 in the moving direction of the clamp jig. A plurality of upper gripping contact portions 11a projecting downward in a pin-like manner at intervals, and the upper side projecting in a pin-like manner upward in the bending portion 27 with a spacing in the moving direction of the clamp jig It is formed by a plurality of lower gripping contact portions 11b facing the gripping contact portion 11a. In addition, the contact shape of the lower gripping contact portion 11b is formed into a circular shape, and the contact shape of the upper gripping contact portion 11a is formed into an elongated shape (long and narrow shape) inscribed in the circular shape. Since the long side of the gripping contact portion 11a is positioned in the moving direction of the clamp jig, the efficiency of energization and gripping can be improved. Furthermore, since the distribution of the processing liquid around the gripping contact portion can be improved, a uniform plating distribution can be achieved up to the plate end of the plate-like object to be plated.

  The lower part (fixed side clamp rod 16, movable side clamp rod 26, and lower portion of the clamp rod) of the clamp jig 3 placed in the plating treatment liquid W is connected to the upper gripping contact portion 11a indicated by hatching in FIG. Insulating coating is provided by an insulating coating layer 48 except for the lower gripping contact portion 11b. This insulation coating process is performed by performing, for example, a vinyl chloride sol coating process. The upper gripping contact portion 11a and the lower gripping contact portion 11b projecting in a pin shape are replaceable tubular rubber seals 48a shown by a one-dot chain line in FIG. Is insulated.

  Bolt engagement holes 50 are formed on both the left and right sides of the fixed plate member 14 above the fixed plate portion 13 of the fixed clamp portion 12 on the left and right sides of the arrangement position of the vertical operation rod 21, respectively. A pair of left and right fixing bolts 51 are screwed into positions corresponding to the bolt engaging holes 50 on a vertical mounting wall surface 8a on the transport passage 1 side of the fixture mounting body 8, and the bolt engaging holes 50 are formed as lower holes. The portion 50a is formed to have a width allowing passage of the bolt head of the fixing bolt 51, and the upper hole portion 50b continuous with the lower hole portion 50a is allowed to pass through the bolt shaft portion of the fixing bolt 51. However, it is formed in a narrow width that does not allow passage of the bolt head. In the embodiment shown in FIG. 1, the lower hole portion 50a is circular, and the upper hole portion 50b continuous with the lower hole portion 50a is formed vertically long.

  In order to mount the clamp jig body 10 that has been detached (removed) from the clamp jig mounting body 8, as shown in FIG. 3, the right and left screwed to the clamp jig mounting body 8 in a temporarily fixed state. If the lower part 50a of the bolt engagement hole 50 of the clamp jig body 10 is inserted into the pair of fixing bolts 51 and then the clamp jig body 10 is lowered, the upper hole part 50b is locked to the fixing bolt 51, The clamp jig body 10 is held in a fixed state by the clamp jig attachment body 8. After that, if the fixing bolt 51 is tightened, the fixed state can be more reliably maintained. In order to detach (remove) the clamp jig main body 10 from the clamp jig attachment body 8, loosen the tightening fixing bolt 51 to the temporarily fixed state, and lift the clamp jig main body 10 to clamp the clamp jig from the lower hole 50a. The tool body 10 can be removed. Therefore, the clamp jig main body 10 having a vertically long structure can be easily and reliably detached from the plating processing apparatus main body, so that the efficiency of the inspection work of the clamp jig and the plating processing apparatus main body can be improved. .

  The fixed-side clamp rod 16 of the fixed clamp portion 12 is fixed via the spacer member 15 (shown in FIG. 5), and as shown in FIGS. The pair of movable side clamp rods 26 of the movable clamp portion 20 are arranged in the same row direction which is the front and rear positions in the clamp movement direction. Accordingly, the side portions of the clamp rods 16 and 26 of the clamp jig that moves in the liquid can be formed narrow, and the liquid resistance can be reduced. Furthermore, in the horizontal conveyance plating apparatus of the type in which the clamp rods 16 and 26 of the clamp jig pass through the tank partition wall (horizontal conveyance plating apparatus of Patent Document 2), the passage opening of the tank partition wall can be narrowed.

  As shown in FIGS. 2 and 3, a tray 60 is disposed below the fixed guide rail 7 along the extending direction of the guide rail 7. The receiving tray 60 receives grease or the like that has dropped from the guide rail 7 and prevents the grease or the like from falling into the processing liquid W.

  The clamp jig 3 shown in FIGS. 8 to 10 is substantially the same as the clamp jig 3 shown in FIGS. 1 to 7 except for the grip contact point opening / closing control means. Therefore, description of substantially the same configuration is omitted. The gripping contact portion opening / closing control means shown in FIG. 8 to FIG. 10 has an upper end of the fixed plate portion 13 (fixed plate member 14) of the fixed clamp portion 12 with the bent portion of the substantially L-shaped reversing lever 45 as a fulcrum portion. The tip of the lower arm 45b of the reversing lever 45 is pivotally connected to the upper end of the vertical operating rod 21 via a pin shaft so that the reversing lever 45 is pivoted. A rotating roller 41 is attached to the tip of the upper arm portion 45a, and the rotating roller 41 is provided on the lower end of the clamp opening / closing guide 42 having a height difference provided at the clamp opening position of the circumferential movement path 4 of the clamping jig 3. In the engaged state of rolling along the part, the upper arm 45a is inverted downward with the fulcrum shaft 46 as an axis, and is connected to the lower arm 45b. Is moved downward against the spring pressure of the compression spring 22 so that the lower grip contact portion 11b of the movable clamp portion 20 and the upper grip contact portion 11a of the fixed clamp portion 12 are separated in the vertical direction. It is configured so that it can be controlled.

  In addition, in the clamp jig 3 of the embodiment of FIGS. 8 to 10, a locking step portion 53 is provided on the back side of the upper portion of the fixed plate portion 13 (fixed plate member 14). The locking step 53 is locked to the upper portion of the clamp jig mounting body 8 when the clamp jig main body 10 detached (removed) from the clamp jig mounting body 8 is mounted. The clamp jig body 10 can be more easily and reliably held in the clamp jig attachment body 8 in a fixed state.

P Plate-like workpiece 1 Transport path 2, 2 Transport drive means (roller chain)
3 Clamp jig 4 Circumferential movement path (Circuit jig circular movement path)
5 treatment tank (electroplating treatment tank)
W treatment solution (plating solution)
7 Fixed guide rail (power supply rail)
DESCRIPTION OF SYMBOLS 8 Clamp jig attachment body 10 Clamp jig main body 11a Upper side grip contact part 11b Lower side grip contact part 12 Fixed clamp part 13 Fixed plate part 14 Fixed plate member 15 Spacer member 16 Fixed side clamp rod 17 Bending part 20 Movable clamp Part 21 Vertical operation rod 22 Compression springs 23A, 23B Upper and lower holding guide parts 24 Spring locking body 25 Slide engagement body 26 Movable side clamp rod 27 Bending part 28 Through hole (through hole below the vertical operation rod)
Reference Signs List 30 fulcrum shaft part 41 rotating roller 42 clamp opening / closing guide 45 reversing lever 46 fulcrum shaft of reversing lever 48 insulating coating layer 48a rubber seal material 50 bolt engaging hole 50a lower hole part of bolt engaging hole 50b upper hole part of bolt engaging hole 51 Fixing bolt 53 Locking step 60 Receptacle

Claims (5)

  A transport drive means that is driven endlessly provided on both sides of the transport path of the plate-shaped workpiece, and an upper part is attached to the transport drive means to move around, and a gripping contact portion is provided at the lower part. A plurality of clamping jigs are provided, and both side edges of the flexible plate-like workpiece are moved up and down by gripping contact portions of the plurality of clamping jigs that move in parallel with each other through the conveyance path. The clamp jig is gripped from the direction and continuously conveyed in one direction of conveyance by a fixed horizontal movement line in which the plate surface of the plate-like workpiece is moved up and down. It is a clamp jig of a horizontal conveyance plating processing apparatus for plating a plate-like object to be processed by passing the plate-like object to be grasped by the contact portion and horizontally conveyed through the treatment liquid in the treatment tank, The clamp jig is connected to the transport driving means A clamp jig mounting body having conductivity and fitted to the guide rail from the outside so as to move while being in sliding contact with the fixed guide rail fixedly disposed along the movement path of the clamp jig; Including a clamp jig main body fixedly held by the clamp jig mounting body, the clamp jig main body being arranged at a position where a lower portion of the clamp jig main body can move in the processing liquid of the processing tank, The upper part of the clamp jig body is formed in a vertically long shape fixed and held on the clamp jig attachment body in the air, and the side edge of the plate-like workpiece is attached to the lower end of the clamp jig body. The clamp jig body is provided with a grip contact part that includes an upper grip contact part and a lower grip contact part that can be gripped from above and below, and the upper part of the clamp jig body is fixedly held by the clamp jig attachment body. Vertical direction A fixed clamp portion having a long conductivity and a movable clamp portion having a long conductivity in the vertical direction held by the fixed clamp portion so as to be movable up and down, and an upper gripping contact portion at a lower end portion of the fixed clamp portion Forming a lower gripping contact portion opposite to the upper gripping contact portion at a lower end portion of the movable clamp portion, and a lower portion of the clamp jig body to be put in a processing solution is The movable clamp portion is covered with an insulation coating layer except for the contact portion, and the movable clamp portion is moved upward by the spring pressure of the compression spring. The lower grip contact portion of the movable clamp portion and the upper grip contact portion of the fixed clamp portion Is normally closed in the up-down direction, and the movable clamp portion is moved downward against the spring pressure of the compression spring on the upper portion of the clamp jig body so that the gripping contact portion is in the up-down direction. Open apart A holding contact portion opening / closing control means is provided, and the fixed clamp portion is fixed and held with the upper portion being perpendicular to the mounting wall surface on the conveyance path side of the clamp jig mounting body, and the lateral width is clamped at the lower end. A fixed plate portion provided with a bent portion having an L-shaped cross section extending long in the moving direction of the jig, and a pin shape in the bent portion of the fixed plate portion with an interval in the moving direction of the clamp jig. A plurality of the upper gripping contact portions projecting from the upper end of the fixed plate portion, and the movable clamp portion slides in an up-down direction in a state in which an upward spring pressure is urged by the compression spring. A vertically movable rod extending in the up-and-down direction that can be held, and a play width that can be slid in the left-right direction from the outside to the middle portion below the lower end of the clamp jig mounting body of the fixed plate portion. Can be slid vertically on the extension And a slide engagement body having a lateral width longer than the lateral width of the fixed plate portion and extending in the moving direction of the clamp jig, and upper ends thereof at both ends of the slide engagement body, respectively. A pair of movable side clamp rods extending in a fixed vertical direction, and a lateral width connected to both lower ends of the pair of movable side clamp rods is an L-shaped cross section extending in the moving direction of the clamp jig. A plurality of lower gripping contact portions opposed to the upper gripping contact portion protruding in a pin shape upwardly spaced apart in the movement direction of the clamp jig at the bending portion; The vertical operating rod is mounted by a fulcrum shaft portion that is horizontally attached to the center portion of the slide engagement body and is inserted through a through hole in the lower portion of the vertical operation rod that vertically penetrates the center portion of the slide engagement body. Lower end The lower gripping contact portion connected to the upper gripping contact portion and being separated from the upper gripping contact portion is attached so as to be swingable in the moving direction of the clamp jig around the fulcrum shaft portion. A clamping jig for a plate-like workpiece in a horizontal transport plating apparatus characterized by the above.   The contact shape of the lower gripping contact portion is formed into a circular shape, and the contact shape of the upper gripping contact portion is formed into an elongated shape inscribed in the circular shape. The long side of the upper gripping contact portion having the elongated shape The clamp jig of the plate-shaped workpiece in the horizontal conveyance plating apparatus of Claim 1 which was located in the moving direction of the clamp jig.   Bolt engagement holes are drilled on both the left and right sides of the fixed clamp portion above the fixed plate portion, with the vertical operation rod disposed therebetween, and the clamp jig mounting body is mounted on the conveyance path side. A pair of left and right fixing bolts are screwed onto the wall surface at positions corresponding to the bolt engaging holes, and the bolt engaging holes are wide enough to allow the lower holes to pass through the bolt heads of the fixing bolts. The horizontal hole according to claim 1, wherein an upper hole portion formed continuously with the lower hole portion is formed to have a narrow width that allows passage of the bolt shaft portion of the fixing bolt but does not allow passage of the bolt head portion. A clamping jig for a plate-like workpiece in a transport plating apparatus.   The clamping contact portion opening / closing control means is provided with a rotating roller at the upper end of the vertical operating rod, and the rotating roller has a height difference provided at the clamp opening position of the circumferential movement path of the clamp jig. In the engaged state of rolling along the lower surface portion, the upper and lower operating rods are moved downward against the spring pressure of the compression spring, and the lower gripping contact portion of the movable clamp portion and the upper side of the fixed clamp portion The clamp jig of the plate-shaped workpiece in the horizontal conveyance plating processing apparatus of Claim 1 comprised so that it could control to the open state which separated the holding contact part to the up-down direction.   The gripping contact portion opening / closing control means is pivotally attached to the upper end portion of the fixed plate portion of the fixed clamp portion so as to be reversible by a fulcrum shaft with a bent portion of a substantially L-shaped reversing lever as a fulcrum portion. The tip of the lower arm is rotatably connected to the upper end of the vertical operating rod via a pin shaft, and a rotating roller is attached to the tip of the upper arm of the reversing lever. In the engaged state of rolling along the lower surface portion of the clamp opening / closing guide provided at the clamp opening position of the circumferential movement path of the jig, the upper arm portion moves downward with the fulcrum shaft as an axis. The upper and lower actuation rods that are reversed and connected to the lower arm part are moved downward against the spring pressure of the compression spring, and the lower gripping contact part of the movable clamp part and the upper gripping contact point of the fixed clamp part Part And configured to be controlled to the open state of being spaced downwardly, clamp jig plate object to be processed in the horizontal conveying plating apparatus according to claim 1.

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