JP2008156736A - Device for transporting object to be treated in surface treatment apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a carrier transportation device which can quickly perform the carry-out and carry-in processes of an object to be treated in selected surface treatment tanks, in a device for transporting the object to be treated in a surface treatment apparatus. <P>SOLUTION: The carrier transportation device 2 comprises: a carry-in carrier 21 which is arranged in a first exchanging and transporting device 1 side; and a carry-out carrier 22 which is arranged in a second exchanging and transporting device 3 side. With the use of the carry-in and carry-out carriers, the carry-out and carry-in processes of the object 9 in the selected surface treatment tanks 5, which is retained in a member 8 for retaining the object, can be simultaneously completed in one cycle. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a workpiece transfer device of a surface treatment apparatus, and in particular, allows a workpiece to be carried out and loaded in a selected surface treatment tank quickly in one cycle.

  For example, in an electrolytic or electroless plating apparatus, a pretreatment object such as a printed circuit board held on a treatment object holding member such as a hanger jig is pretreated by a pretreatment section in which a plurality of pretreatment tanks are arranged. After that, a target plating time treatment is performed in a plating processing section in which a plurality of surface treatment tanks are arranged, and then the workpiece to be plated is post-processed.

  The plurality of surface treatment tanks have different plating conditions such as different plating thickness depending on the object to be plated, and the object to be processed is selected in the surface treatment tank selected according to the plating condition. After the plating time treatment is performed, it is transferred to the next process.

  As a processing object transport device of such a plating apparatus, a processing object holding member holding a processing object is held by a transporting carrier, and the processing object holding member (processing object) is transported through the transporting carrier. A single carrier type conveying device is used. This single carrier type transfer device carries out the object holding member (object to be processed) plated in a predetermined surface treatment tank with a single transfer carrier, and then loads the same single transfer carrier. The processed object holding member (processed object) is returned to the carry-in start position, and the processed object holding member (processed object) is processed into a predetermined surface treatment tank (e.g. It is loaded (injected) into the surface treatment tank from which the objects are unloaded.

  However, this single carrier type conveying apparatus has a problem that a time loss is caused in the unloading and loading process of the object holding member (object to be processed) in the selected surface treatment tank.

  In view of the actual situation, the present invention proposes a carrier transfer device that can quickly carry out the unloading and loading process of a workpiece in a selected surface treatment tank within one cycle in the workpiece transfer device of the surface treatment apparatus. To do.

  In order to achieve the above object, according to the present invention, a carrier locking portion supported by a carrier for transportation is provided at the top, a mounting locking portion is provided below the carrier locking portion, and a surface treatment is performed below. A workpiece holding member provided with a holding part for detachably holding a workpiece such as a printed circuit board, a plurality of pretreatment tanks capable of feeding the workpiece held by the workpiece holding member, The surface treatment tank, a treatment tank constructed by sequentially arranging a plurality of next treatment tanks, and a first rail that can be raised and lowered at an upper position corresponding to the pretreatment tank are disposed, and the first rail can be moved laterally. The workpiece holding member supported on the first rail is sequentially transferred to the next pretreatment tank side at the ascending position of the first rail, and corresponds to the pretreatment tank arranged at the loading / replacement position, that is, the loading / replacement pretreatment tank. 1st transfer means (pushing hand) which can be transferred to an upper position ) And a second rail that can be raised and lowered at an upper position corresponding to the next processing tank, and a workpiece holding member that is supported by the second rail so as to move laterally. Second transfer means (pushing means) capable of sequentially transferring from the upper position corresponding to the next processing tank disposed at the unloading / changing position at the elevated position of the second rail to the next processing tank side. Are provided in a second transfer transfer device, a pre-transfer transfer pretreatment tank, a plurality of surface treatment tanks, and a carry-out transfer next treatment tank, respectively, via a mounting locking portion of a workpiece holding member. A worktable holding member that can be mounted on the treatment tank, and a worktable that can be loaded into the treatment tank. The carry-on / off from the next-treatment tank through the surface-treatment tank A carrier rail that can be moved up and down along with the up and down movement of the first rail and the second rail is disposed above the processing tank corresponding to the lateral length range leading to the replacement next processing tank. A carrier for transportation mounted horizontally is provided on the carrier carrier, and the carrier for transportation is free to move laterally with respect to the workpiece holding member mounted on the mounting table at the lowered position of the carrier rail. And a carrier for supporting the carrier holding portion of the workpiece holding member from below, and a carrier for loading and a second carrier placed on the side of the first transfer carrier device. A carrier transport device configured with a carrier for unloading disposed on the side of the replacement transport device is provided, and the carrier for loading is loaded into the surface treatment tank selected at the lowered position of the rail for carrier (loading). Return movement from the first transfer transfer position to the lateral transfer end position (loading start position) of the first transfer transport device, and the lift movement to the lift position accompanying the lift movement of the carrier rail at the return position, Each cycle of feeding movement up to the selected loading position at the raising position of the carrier rail and lowering movement to the lowering position accompanying the lowering movement of the carrier rail at this feeding position is operated as one cycle. The unloading carrier is unloaded to the surface treatment tank selected from the lateral transfer start point (unloading completion position) of the second transfer transfer device at the lowered position of the carrier rail. Feed movement to the start position), the lift movement to the lift position accompanying the lift movement of the carrier rail at this feed position, and the lift position of the carrier rail. Each return movement of the second transfer transport device to the lateral feed start point position (above the unloading completion position), and the downward movement to the lowered position accompanying the downward movement of the carrier rail at this return position The stroke is configured to be operated as one cycle, and the return movement of the carry-in carrier and the feed movement of the carry-out carrier are the same movement stroke in time in one cycle operation, and the feed movement of the carry-in carrier and the Provided is a workpiece transfer apparatus for a surface treatment apparatus, characterized in that the return movement of the carry-out carrier is the same movement process in time in one cycle operation.

  The present invention comprises a carrier for transportation of a carrier transportation device comprising a carrier for loading disposed on the first transfer transportation device side and a carrier for unloading disposed on the second transportation transportation device side. The unloading carrier and the unloading carrier can simultaneously complete the unloading and loading process of the object to be processed in the selected surface treatment tank. Therefore, according to the present invention, it is possible to achieve a significant speed-up of unloading and loading work of the workpiece in the selected surface treatment tank.

  A preferred embodiment of the present invention will be described with reference to the drawings.

  FIG. 1 is an overall schematic front view of a workpiece transfer apparatus of a surface treatment apparatus of the present invention, and FIG. 2 is an overall schematic enlarged side view. The workpiece transfer apparatus is configured in the order of a first transfer transfer apparatus 1, a carrier transfer apparatus 2, and a second transfer transfer apparatus 3 from the right side in FIG.

  A plurality of pretreatment tanks 4, a plurality of surface treatment tanks 5, and a plurality of next treatment tanks 6 are sequentially arranged in one direction below these transfer apparatuses 1, 2, and 3. The last pretreatment tank (loading / replacement pretreatment tank) 4 (4b), a plurality of surface treatment tanks 5 arranged on the left side of FIG. 1, and the frontmost next treatment tank (carrying on and off) arranged on the right side of FIG. A V-shaped mounting base 7 is provided in each of the replacement processing tanks 6 (6a). A workpiece holding member is mounted on the processing tank via the mounting locking portion of the workpiece holding member on the mounting table 7, and the workpiece held by the mounted workpiece holding member is loaded. It is configured to be able to be charged into the processing tank.

  Reference numeral 8 denotes a workpiece holding member that detachably holds a workpiece 9 such as a printed board to be surface-treated (plated). The workpiece holding member 8 is provided with a carrier locking portion 10 supported by a carrier for transportation at the top, a mounting locking portion 11 below the carrier locking portion 10, and a surface treatment ( There is provided a product holding part 12 for detachably holding an object 9 such as a printed circuit board to be plated. The mounting lock portion 11 is formed in an inverted trapezoidal shape so that it can be stably mounted on the V-shaped mounting base 7 from above, and the workpiece holding member is formed by the mounting locking portion 11 and the mounting base 7. 8 can be mounted in a state straddling the processing tank. Further, the workpiece holding member 8 includes a rail sliding portion 13 formed above the mounting locking portion 11, and a pusher locking protruding from the upper portion of the carrier locking portion 10. And a piece 14.

  The carrier locking portion 10 is configured to be supported by a carrier support portion of the carrier carrier device 2. The rail sliding portion 13 is mounted on the rails (first rail or second rail) of the first and second transfer transfer devices 1 and 3 and is configured to slide along the rails. . In addition, the pusher locking piece 14 is configured to be engaged with the pusher of the pusher of the first and second transfer transfer devices 1 and 3.

  The first transfer transport device 1 has a function of transferring the workpiece holding member 8 (target workpiece 9) to the start end of the carrier transport device (that is, the return limit position of the loading carrier at the loading start position); A function of immersing the workpiece 9 in the pretreatment tank 4 during the transfer process is provided. The first transfer device 1 includes a first rail 15 that moves up and down in a lateral direction at an upper position corresponding to the pretreatment tank 4, and a rail sliding portion 13 along the first rail 15. Leftward to an upper position corresponding to a pretreatment tank (a pretreatment tank arranged on the left side in FIG. 1) in which the moving workpiece holding member 8 is placed at the carry-in and transfer position, that is, a carry-in and transfer pretreatment tank 4 (4b). It is comprised from the pushing means 16 which pushes to. The pushing means 16 has a pushing rod 17 that is movable in the horizontal direction, and a pushing tool 18 that is suspended from the pushing rod 17, and the pushing rod 17 is horizontal in the left direction in FIG. When moved, the pusher 18 engages with the pusher locking piece 14 of the workpiece holding member 8 mounted on the first rail 15, and moves the workpiece holding member 8 leftward. It is configured as follows.

  Further, both the first rail 15 and the pushing means 16 constituting the first transfer transport device 1 are configured to move up and down, and in the lowered position shown in the lower part of FIG. It is configured to be immersed in the pretreatment tank 4 and to move the workpiece holding member 8 (the workpiece 9) along the first rail 15 at the raised position shown in the upper part of FIG. The first rail 15 and the pushing means 16 may both be moved up and down, and only the first rail 15 that supports the workpiece holding member 8 (the workpiece 9) is raised and lowered. It may be configured.

  The carrier transfer device 2 is located above the processing tank corresponding to a lateral length range from the carry-in / replacement pretreatment tank 4 (4b) through the plurality of surface treatment tanks 5 to the carry-out / transfer next treatment tank 6 (6a). It has a carrier rail 20 disposed at a position, and a carrier for transportation (loading carrier and carrier for unloading) mounted on the carrier rail 20 so as to be laterally movable. The carrier rail 20 is configured to move up and down integrally with the up and down movement of the first rail 15 and the second rail (described later). The carrier for transportation is composed of a total of two carriers, namely, a carry-in carrier 21 disposed on the first transfer conveyance device 1 side and a carry-out carrier 22 disposed on the second transfer conveyance device 3 side. The transport carriers (the carry-in carrier 21 and the carry-out carrier 22) have a structure in which lateral movement is free with respect to the workpiece holding member 8 mounted on the mounting table 7 at the lowered position of the carrier rail 20. (Refer to the rail lowered position in FIG. 2). Moreover, the carrier for conveyance (the carrier 21 for carrying in and the carrier 22 for carrying out) has the support part 23 which can support the carrier latching | locking part 10 of the said to-be-processed object holding member 8 from the downward direction.

  The carry-in carrier 21 moves from the carry-in position (loading completion position) to the surface treatment tank 5 selected at the lowered position of the carrier rail 20 to the lateral feed end point position (carry-in) of the first transfer transfer device 1. A return movement to the start position), a lift movement to the lift position associated with the lift movement of the carrier rail 20 at the return position, a feed movement to a position above the loading position selected at the lift position of the carrier rail 20, Each moving stroke of the downward movement to the lowering position accompanying the lowering movement of the carrier rail 20 at this feeding position is configured to be operated as one cycle (return movement, ascent movement, feeding movement and lowering movement). .

  Further, the carry-out carrier 22 is carried out to the surface treatment tank 5 selected from the lateral feed start point position (unload completion position) of the second transfer transport device 3 at the lowered position of the carrier rail 20 ( Feed movement to the unloading start position), the lift movement to the lift position accompanying the lift movement of the carrier rail 20 at this feed position, and the lateral direction of the second transfer transport device 3 at the lift position of the carrier rail 20 1 cycle (feeding movement, ascending movement) each return stroke to the feed start point position (above the unloading completion position), and at this return position, the lowering movement to the lowering position accompanying the lowering movement of the carrier rail 20 , Return movement and downward movement).

  The return movement of the carry-in carrier 21 and the feed movement of the carry-out carrier 22 are set to the same time in one cycle operation, and the feed movement of the carry-in carrier 21 and the return movement of the carry-out carrier 22 are performed in one cycle. The movement process is the same in time in operation.

  As shown in FIG. 2, the carry-in carrier 21 and the carry-out carrier 22 are mounted on the carrier rail 20 through a rotating roller 24 and the like so as to be laterally movable. In this embodiment, the operations of the feed movement and the return movement of the carry-in carrier 21 and the carry-out carrier 22 along the carrier rail 20 are performed by servo motors 25 individually installed on these carriers 21 and 22. The forward / reverse rotational force is converted into a linear motion in the feed or return direction by a rack gear 27 fixed to an elevating mount 26 on which a carrier rail is mounted.

  The second transfer transport device 3 performs the next processing of the workpiece holding member 8 (the workpiece 9) from the rear end of the carrier transport device 2 (that is, the return limit position of the unloading carrier 22 at the unloading completion position). It has a function of transferring to the process and a function of immersing the workpiece 9 in the next processing tank 6 in the next processing process in this transfer process. The second transfer transfer device 3 includes a second rail 30 that moves in the horizontal direction at an upper position corresponding to the next processing tank 6, and an object to be processed that is held and transferred by the carry-out carrier 22. The next processing tank (the next processing tank arranged on the right side in FIG. 1) in which the holding member 8 is disposed at the unloading / changing position, that is, the upper position corresponding to the unloading / changing next processing tank 6 (6a) (that is, the return of the unloading carrier 22). The feeding means 16 feeds from the limit position to the next process. Similar to the pushing means 16 of the first transfer transfer device 1, the pushing means 16 has a pushing rod 17 that is movable in the horizontal direction and a pushing tool 18 that is suspended from the pushing rod 17. When the feed rod 17 is moved horizontally in the left direction in FIG. 1, the pusher 18 and the feed member locking piece 14 of the workpiece holding member 8 mounted on the second rail 30 are engaged. In addition, the workpiece holding member 8 is configured to move leftward.

  Further, both the second rail 30 and the pushing means 16 constituting the second transfer transfer device 3 are configured to move up and down, and at the lowered position shown in the lower part of FIG. In the raised position shown in the upper part of FIG. 1, the workpiece holding member 8 (the workpiece 9) is configured to be transferred along the second rail 30 in the next treatment tank 6. The second rail 30 and the pushing means 16 may both be configured to move up and down, and only the second rail 30 that supports the workpiece holding member 8 (the workpiece 9) is raised and lowered. The configuration may be the same as in the case of the first transfer device 1.

  When the workpiece holding member 8 is transferred from the first rail 15 to the carry-in carrier 21 of the first transfer transport device 1, the workpiece holding member 8 supported by the first rail 15 lowered is: It is mounted on the mounting table 7 at the rail lowered position, and the support from the first rail 15 is removed. The carry-in carrier 21 returned to the return limit position at the rail lowered position is, as shown in the rail lowered position in FIG. 2, the carry-in carrier 21 with respect to the carrier locking portion 10 of the mounted workpiece holding member 8. By configuring the vertical distance of the support portion 23 to be shorter than the vertical distance of the support portion (rail upper end portion) of the first rail 15 with respect to the rail sliding portion 13 of the mounted workpiece holding member 8, the rail rises. In the process, the support portion 23 of the carry-in carrier 21 first supports the carrier locking portion 10 of the workpiece holding member 8, and the loaded workpiece holding member 8 is transferred to the carry-in carrier 21. I can do it.

  In addition, when the workpiece holding member 8 is transferred from the carry-out carrier 22 to the second rail 30, the workpiece holding member 8 supported by the carry-out carrier 22 at the return limit position is mounted at the rail lowered position. Mounted on the gantry 7, the support from the unloading carrier 22 is removed, and the unloading position is placed. The unloading carrier 22 is moved from the return limit position to the feeding position at the rail lowering position and is at the feeding position in the next rail raising process, so that the workpiece holding member 8 mounted at the unloading completion position is raised. The rail sliding portion 13 is supported by the second rail 30 and is transferred to the second rail 30.

  The workpiece transfer apparatus according to the present invention is configured as described above, and an example of the operation state will be described below. The workpiece holding material 8 (the workpiece 9) is mounted on the mounting bases 7 of the pre-loading / replacement pretreatment bath 4 (4b) and the plurality of surface treatment baths 5 via the rack engaging portions 11, respectively. Yes. In the lowered position of each rail (15, 20, 30) in FIG. 1, the unloading carrier 22 shown on the left side is selected from the unloading completion position (the return limit position of the unloading carrier 22) and then from the surface treatment tank 5. It is moved rightward along the carrier rail 20 to a lower position capable of supporting the workpiece holding material 8 (the workpiece 9) to be carried out, and at the same time, the loading carrier 21 shown on the right side is the loading completion position. Next, it is waiting from the (loading completion position) to the loading start position (the workpiece holding material 8 is mounted on the mounting table 7 of the loading / unloading pretreatment tank 4b at this loading start position). It returns to the right direction along the rail 20 for carriers to the lower position which can support the workpiece holding material 8 to be carried in.

  In this state, each rail (15, 20, 30) is raised from the lowered position to the raised position. In this rail ascending process, the workpiece holding material 8 to be carried out is supported by the support portion 23 of the carrying carrier 22 and is transferred from the mounting table 7 of the surface treatment tank 5 to the carrying carrier 22 and is carried in at the same time. The workpiece holding material 8 to be processed is supported by the support portion 23 of the carry-in carrier 21 and is transferred to the carry-in carrier 21 from the mounting table 7 of the pre-load-and-transfer pretreatment tank 4b.

  In this raised position, the carry-out carrier 22 is returned to the left along the carrier rail 20 to a position above the carry-out completion position (the workpiece holding member 8 that was in the carry-out completion position immediately before in the raised position is the first position). The carrier 21 for loading is transferred to the left rail 30 by the pushing means 16.) At the same time, the carrier 21 for carrying in is carried to the upper position of the surface treatment tank 5 carried out immediately before by the carrier 22 for carrying out. It is sent along the rail 20 in the left direction.

  When the rails (15, 20, 30) are lowered and placed in the lowered position in this state, the workpiece holding material 8 mounted on the unloading carrier 22 moves the mounting locking portion 11 of the holding material. The workpiece holding material 8 is removed from the support portion 23 of the carry-out carrier 22 (see the lowered position in FIG. 2) and carried out from the surface treatment bath 5. To be completed. At the same time, the workpiece holding material 8 mounted on the carry-in carrier 21 is mounted in the selected target surface treatment tank 5 in which the holding locking portion 11 of the holding material is vacant, The workpiece holding material 8 is removed from the support portion 23 of the carrier 21 for loading (see the lowered position in FIG. 2), and loading (injection) into the selected surface treatment tank 5 is completed. The workpiece holding material 8 removed from the carrier 22 for unloading at the unloading completion position is transferred to the second rail 30 of the second transfer transfer device 3 when the rail (15, 20, 30) is next lifted and lifted. It is sequentially transferred to the next process side in the left direction by the pushing means 16 of the second transfer transfer device 3 at the position.

  In this way, the workpiece holding material 8 (processed) to be processed next by the carry-in carrier 21 into the surface treatment tank 5 in which the workpiece holding material 8 (processed material 9) is carried out by the carry-out carrier 22. The object 9) is carried in (input), and these operations are repeated.

1 is an overall schematic front view of the present invention. 1 is an overall schematic enlarged side view of the present invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 1st transfer conveyance apparatus 2 Carrier transfer apparatus 3 2nd transfer conveyance apparatus 4 Pretreatment tank 4b Pre-loading / changing pretreatment tank 5 Surface treatment tank 6 Subsequent treatment tank 6a Unloading / changing next treatment tank 7 Mounting base 8 To-be-processed Object holding member 9 Object to be processed 10 Carrier locking portion 11 Mounting locking portion 13 Rail sliding portion 14 Pushing piece locking piece 15 First rail 16 Feeding means 20 Carrier rail 21 Loading carrier 22 Unloading carrier 23 Support section 25 Servo motor 30 Second rail

Claims (1)

  A carrier locking part supported by the carrier for transportation is provided on the upper part, a mounting locking part is provided below the carrier locking part, and the object to be processed such as a printed circuit board surface-treated below can be freely attached and detached. A workpiece holding member provided with a holding unit for holding, a plurality of pretreatment tanks, a plurality of surface treatment tanks, and a plurality of next treatment tanks that can be charged with the workpieces held by the workpiece holding member. A treatment tank arranged and configured, and a first rail that can be raised and lowered at an upper position corresponding to the pretreatment tank, and a workpiece holding member that is supported by the first rail so as to be laterally movable are provided in the first rail. It has a first transfer means capable of sequentially transferring to the next pretreatment tank side at the ascending position of one rail and transferring it to a pretreatment tank disposed at the loading / replacement position, that is, an upper position corresponding to the loading / replacement pretreatment tank. Corresponds to the first transfer transfer device and the next processing tank A second rail that is movable up and down at an upper position, and a workpiece holding member that is supported by the second rail so as to be laterally movable is disposed at the loading / replacement position at the raised position of the second rail. A second transfer transfer device having a second transfer means capable of sequentially transferring from the upper position corresponding to the processing tank, i.e., the unloading / replacement next processing tank, to the next processing tank side; Provided in each of the surface treatment tank and the next transfer / replacement treatment tank, the workpiece holding member can be mounted on the treatment tank via the mounting locking portion of the workpiece holding member, and mounted. A mounting base configured to allow the workpiece held by the workpiece holding member to be put into the treatment tank, and a horizontally long from the carry-out / replacement next treatment tank to the carry-out / replacement next treatment tank through the surface treatment tank In front of the processing tank corresponding to the range A carrier rail that can be moved up and down along with the up and down movement of the first rail and the second rail is provided, and a carrier for transportation mounted on the carrier rail so as to be laterally movable is provided. Has a structure that is free to move laterally with respect to the workpiece holding member mounted on the mounting base at the lowered position of the carrier rail, and supports the carrier locking portion of the workpiece holding member from below. A carrier transport device having a support portion that is configured by a carry-in carrier disposed on the first transfer transport device side and a carry-out carrier disposed on the second transfer transport device side. The carrier for loading is returned from the loading position to the surface treatment tank selected at the lowered position of the carrier rail to the lateral feed end position of the first transfer transfer device. In this return position, ascending movement to the ascending position accompanying the ascending movement of the carrier rail, feeding movement up to the loading position selected in the ascending position of the carrier rail, the carrier rail in the feeding position It is configured to operate with each moving stroke of the downward movement to the downward position accompanying the downward movement as one cycle, and the unloading carrier is in the lateral direction of the second transfer transport device at the downward position of the carrier rail. The feed movement from the feed start point position to the selected carry-out position to the surface treatment tank, the lift movement to the lift position accompanying the lift movement of the carrier rail at the feed position, and the first position at the lift position of the carrier rail Return movement to the lateral feed start point position of the two-way transfer transport device, and the lowering position accompanying the downward movement of the carrier rail at this return position Each moving stroke of the lowering movement is operated as one cycle, and the return movement of the carrying-in carrier and the feeding movement of the carrying-out carrier are made the same moving stroke in one cycle operation, and A workpiece transfer device for a surface treatment apparatus, wherein the carrier feed movement and the return movement of the unloading carrier are made to have the same time movement in one cycle operation.

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