JP2011131151A - Coating hanger and coating apparatus using the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a hanger for coating, which is easily attached to a hanging means for the hanger hanging a workpiece. <P>SOLUTION: The hanger for coating is a hanger 20 arranged between an engaging hook 13 provided to a transporting member mounted on a conveyer 1 and the workpiece hanger 21 hanging the workpiece 4 and is provided with an upper hook 201 attached to the engaging hook 13 and a lower hook 202 engaged with the workpiece hanger 21. The hanger 20 is provided with a circular guide projecting part 204 for guiding the workpiece hanger 21 to a lower hook 202 between the upper hook 201 and the lower hook 202. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a coating hanger and a coating apparatus using the coating hanger.

  As a painting line for painting components such as automobile parts, electronic / electrical equipment and furniture, a conveyor line using an overhead conveyor that hangs and conveys a work to be coated on a hanger is used.

  There are various types of coating methods. For example, electrodeposition coating can be applied to the details even if the object has a complicated shape, and it can be applied automatically and continuously. it can. Therefore, it is used not only for large-scale and complicated objects such as automobile parts but also for rust-proofing undercoating of small parts.

  When painting a part by electrodeposition coating, the part to be painted (the object to be coated) is suspended by a hanging means called a hanger, and the part is moved by a conveying means such as a conveyor. Electrodeposition coating is performed in which a voltage is applied to the component and the counter electrode while being immersed in the coating material.

  The conveyor on the painting line is configured to hang a work by engaging a hanger with a hook of a suspension means attached to the conveyor or the like (see, for example, Patent Document 1).

JP 2001-79464 A (FIGS. 1 and 2)

  By the way, when the workpiece becomes larger, the weight of the workpiece also increases. When the hanger is engaged with the hook of the suspending means after the hanger is attached to the workpiece, the positioning of the hanger with respect to the hook is troublesome, and there is a problem that it takes time to engage. In particular, when the weight of the workpiece increases, it becomes difficult for one person to engage the hanger with the hook while supporting the workpiece, and a plurality of workers are required. Further, when the engagement operation between the hook and the hanger fails, there is a problem that the work is dropped and the work is damaged.

  The present invention has been made in view of the above-described conventional problems, and provides a coating hanger capable of easily attaching a hanger for hanging a work to a hanging means, and a coating apparatus using the coating hanger. With the goal.

  The painting hanger according to the present invention is disposed between an engagement hook provided on a conveying member attached to a conveyor and a work hanger that suspends a work, and an upper hook attached to the engagement hook and the A hanger comprising a lower hook that engages with a work hanger, wherein the hanger is provided with a guide protrusion for guiding the work hanger toward the lower hook between the upper hook and the lower hook. To do.

  Further, the hanger can be configured to have a main shaft portion that connects the upper hook and the lower hook, and an arcuate guide protrusion provided on the main shaft portion.

  The arcuate guide protrusion may be formed by fixing a bar bent in an arc to the main shaft.

  The arcuate protrusion may be formed by fixing an arcuate plate material to the main shaft.

  The coating apparatus according to the present invention includes a transport mechanism that transports a predetermined transport path in a state where a plurality of workpieces are suspended from above using a hanger with a predetermined interval, and a predetermined position of the transport path. A coating unit installed on the transfer mechanism unit, a workpiece supply unit that attaches a workpiece before painting to the transfer mechanism unit, and a workpiece unloading unit that removes the coated workpiece suspended from the transfer mechanism unit, and the transfer mechanism The section includes a conveyor that forms a predetermined transport path, a transport member that is mounted on the conveyor, and an engagement hook that is mounted on the transport member, and a work hanger that suspends the engagement hook and the work. A hanger provided between the upper hook and the lower hook, the hanger having an upper hook mounted on the engaging hook and a lower hook engaged with the work hanger. The wherein the guide protrusion portion for guiding the lower hook side.

  The workpiece supply unit includes a lifter for supporting the workpiece, and the upper hook of the workpiece hanger engaged with the workpiece supported on the lifter is at a height that reaches the guide protrusion of the hanger. What is necessary is just to comprise so that the height of a lifter may be adjusted.

  The lifter may be provided with a cushioning material at a place where the work is supported.

  Further, as the transport member of the transport mechanism moves, the upper hook of the work hanger engaged with the work supported by the work delivery section is guided to the lower hook of the hanger along the guide projection of the hanger. In addition, the lower hook of the hanger and the upper hook of the work hanger are engaged with each other so that the work is suspended from the lifter mechanism away from the lifter.

  The work carry-out unit includes a lifter that supports the work, and the upper hook of the work hanger engaged with the work supported on the lifter reaches a height that reaches the guide protrusion of the hanger. What is necessary is just to comprise so that height may be adjusted.

  The lifter may be provided with a cushioning material at a place where the work is supported.

  Further, as the transport member of the transport mechanism moves, the upper hook of the work hanger engaged with the work is guided in the direction of separating from the lower hook of the hanger along the guide protrusion of the hanger, The lower hook and the upper hook of the work hook may be detached so that the work is supported by the lifter.

  In this invention, the hanger which comprises the coating hanger can be easily engaged with the conveyance member of a conveyance mechanism part, and the work hanger which a workpiece | work engages with the lower hook of a hanger along the guide protrusion part of a hanger Therefore, the work can be easily and safely suspended from the transport mechanism.

It is a perspective view which shows the state by which the coating hanger concerning embodiment of this invention was shown and the workpiece | work was suspended via the coating hanger on the conveyance member with which the conveyor was mounted | worn. It is a front view which shows the state which showed the coating hanger concerning embodiment of this invention, and suspended the workpiece | work via the coating hanger on the conveyance member with which the conveyor was mounted | worn. It is a perspective view which shows the hanger concerning embodiment of this invention. It is a perspective view which shows the work hanger concerning embodiment of this invention. It is a perspective view which shows the coating hanger concerning embodiment of this invention. It is a schematic diagram of the electrodeposition bath part of the coating apparatus which electrodeposits a workpiece | work using the coating hanger concerning this invention. It is a schematic diagram which shows the workpiece | work supply part in the coating apparatus of this invention. It is a schematic diagram which shows the workpiece carry-out part in the coating device of this invention. It is a front view which shows the coating hanger concerning other embodiment of this invention, and shows the state which suspended the workpiece | work through the coating hanger on the conveyance member with which the conveyor was mounted | worn. It is a front view which shows the coating hanger concerning other embodiment of this invention, and shows the state which suspended the workpiece | work via the coating hanger on the conveyance member with which the conveyor was mounted | worn.

  Embodiments of the present invention will be described in detail with reference to the drawings. In the drawings, the same or corresponding parts are denoted by the same reference numerals, and the description thereof will not be repeated in order to avoid duplication of description.

  FIG. 1 shows a coating hanger according to an embodiment of the present invention, and is a perspective view showing a state in which a workpiece is suspended from a conveying member mounted on a conveyor via a coating hanger. FIG. 2 shows an embodiment of the present invention. FIG. 3 is a front view showing a state in which a workpiece is suspended from a conveying member mounted on a conveyor via a coating hanger, FIG. 3 is a perspective view showing the hanger according to the embodiment of the present invention, and FIG. It is a perspective view which shows the work hanger concerning embodiment of this invention.

  As shown in FIGS. 1 and 2, a work 4 is suspended from a conveyer 1 constituting a conveyance path via a coating hanger 2. This conveyor 1 is comprised with the trolley conveyor, for example. In the conveyor 1, a plurality of carriers 12 that run on rollers 11 and 11 are provided in a rail 10. The carrier 12 is provided with an engagement hook 13 that engages with the paint hanger 2, and the workpiece 4 is suspended from the engagement hook 13 via the paint hanger 2. A plurality of workpieces 4 are conveyed by the conveyor 1 by suspending the workpieces 2 on the plurality of carriers 12 via the paint hangers 2.

  The conveyor 1 is not limited to the trolley conveyor, but may be any conveyor that can convey the workpiece 4 in a suspended state via the coating hanger 2.

  The painting hanger 2 of the present invention includes a hanger 20 and a work hanger 21. As shown in FIG. 3, the hanger 20 includes an upper hook 201 attached to an engagement hook 13 provided on the carrier 12 and a lower hook 202 engaged with the work hanger 21.

  As shown in FIG. 4, the work hanger 21 includes an upper hook 211 that engages with the lower hook 202 of the hanger 20, a lower hook 212 that engages with the hole 41 of the work 4, and a linear shape that connects the hooks 211 and 212. This is an S-shaped hook provided with a connecting portion 213.

  As shown in FIGS. 1 to 3, the hanger 20 of this embodiment includes a main shaft portion 203 that connects the upper hook 201 and the lower hook 202, an arcuate guide protruding portion 204 provided on the main shaft portion 203, Have The arcuate guide protrusion 204 is formed by fixing a bar bent in an arcuate shape to the main shaft 203. The arcuate guide protrusion 204 guides the upper hook 211 of the work hanger 21 toward the lower hook 202.

  FIG. 5 is a perspective view showing a state where the work hanger 21 is engaged with the hanger 20. As shown in FIG. 5, the upper hook 211 of the work hanger 21 is guided to the lower hook 202 side of the hanger 20, and the work hanger 21 is engaged with the hanger 20.

  As shown in FIGS. 1 and 2, the hanger 20 is disposed between the engagement hook 13 provided on the carrier 12 and a work hanger 21 that suspends the work 4, and the work 4 is hung on the conveyor 1. It is conveyed in the state.

  Next, a coating apparatus for coating a workpiece using the coating hanger according to the present invention will be described. FIG. 6 is a schematic diagram of an electrodeposition bath portion of a coating apparatus for electrodeposition-coating a workpiece using the coating hanger according to the present invention.

  The electrodeposition bath 100 is filled with the electrodeposition paint 101, and the workpieces 4 that are the coated objects are successively carried into the electrodeposition bath 100 as a coating portion. The plurality of workpieces 4 are transferred by the conveyor 1 having a predetermined conveyance path in a state of being suspended from above by using the coating hanger 2 according to the present invention with a predetermined interval. An electrodeposition bath 100 is installed at a predetermined position on the transport path.

  The workpiece 4 is supported by a lifter 50 installed in the workpiece supply unit 5. In this work supply section 5, the work hook 4 is engaged with the upper hook 211 of the work hanger 21 engaged with the work 4 with the lower hook 202 of the hanger 20 engaged with the engagement hook 13 of the carrier of the conveyor 1. Suspended by. As shown in FIG. 6, the conveyor 1 is configured to descend from the workpiece supply unit 5 toward the electrodeposition bath 100 and to rise from the electrodeposition bath 100 toward the workpiece carry-out unit 6.

  The workpiece 4 of this embodiment has, for example, 1600 × 1200 mm and a weight of about 150 kg to 160 kg, and is supported by the lifter 50. The lifter 50 is provided with a cushioning material 51 made of urethane or the like at a location for supporting the workpiece so that the workpiece 4 is not damaged.

  As described above, the hanger 20 is provided with the arcuate guide protrusion 204 that guides the work hanger 21 toward the lower hook 202 between the upper hook 201 and the lower hook 202. The upper hook 211 of the work hanger 21 is arranged along the arcuate guide protrusion 204 with the work hanger 21 engaged with the work 4. As the work 4 moves along the conveyor 1, the upper hook 211 of the work hanger 21 moves along the arcuate guide protrusion 204 of the hanger 20, and the lower hook 202 of the hanger 20 and the upper hook 211 of the work hanger 21. And the workpiece 4 is suspended from the conveyor 1.

  The coating hanger 2 is moved by the conveyor 1 in the direction of the arrow at a predetermined speed. When each workpiece 4 is present in the electrodeposition coating 101, a predetermined voltage is applied so that the workpiece 4 becomes a cathode, and the cationic electrodeposition coating, that is, the coating component of the cationic electrodeposition coating adheres to the object to be coated. Thus, an electrodeposition coating film is formed.

  The workpiece 4 on which the electrodeposition coating film is formed is conveyed to the workpiece carry-out section 6 by the conveyor 1. A lifter 60 provided with a cushioning material 61 made of urethane or the like is set in the workpiece carry-out section 6, and the workpiece 4 is supported by the lifter 60 via the cushioning material 61, and the upper hook 211 and the hanger 20 of the workpiece hanger 21. The engagement with the lower hanger 202 is released.

  In this way, the work 4 can be electrodeposited using the coating hanger 2 according to the present invention, and the coated work 4 can be placed on the lifter 60.

  Next, the workpiece supply unit 5 will be further described with reference to FIG. FIG. 7 is a schematic view showing a workpiece supply unit in the coating apparatus of the present invention.

  The workpiece supply unit 5 includes a lifter 50 that supports the workpiece 4. The lifter 50 is provided with a buffer material 51. The buffer material 51 is provided to prevent the workpiece 4 placed on the lifter 50 from being damaged. Depending on the application, the cushioning material 51 may not be provided. The height of the lifter 50 is adjusted so that the upper hook 211 of the work hanger 21 engaged with the work 4 supported on the cushioning material 51 reaches the guide protrusion 204 of the hanger 20. Has been. The upper hook 201 of the hanger 20 is engaged with the engagement hook 13 provided on the carrier 12 of the conveyor 1, and the hanger 20 is attached to the carrier 12. Since the hanger 20 itself is not heavy, the upper hook 201 of the hanger 20 can be easily engaged with the engagement hook 13 of the carrier 12. The height of the lift 50 is adjusted so that the upper hook 211 of the work hanger 21 reaches the guide protrusion 204 of the hanger 20 in which the upper hook 201 is engaged with the engagement hook 13 of the carrier 12.

  The operator engages the lower hook 212 of the work hanger 21 with the hole 41 of the work 4 in a state where the work 4 is supported on the cushioning material 51 of the lifter 50. At this time, since the workpiece 4 is supported on the cushioning material 51 of the lifter 50, the worker only needs to support the workpiece 4, and the workpiece holder 21 can be safely and easily attached to the workpiece 4 even if the workpiece 4 is heavy. Can be engaged. Then, the work holder 21 engaged with the work 4 is held by lightly pushing it in the direction of the guide protrusion 204 of the hanger 20. As indicated by the wavy line in the figure, the work holder 21 is brought into contact with the guide protrusion 204 of the hanger 20.

  As indicated by the arrows in the figure, the upper hook 211 of the work hanger 21 engaged with the work 4 supported by the lifter 50 of the work feeding section 5 is moved along the carrier 12 of the conveyor 1, and the guide protrusion of the hanger 20. 204 is guided to the lower hook 202 of the hanger 20, and the lower hook 202 of the hanger 20 and the upper hook 211 of the work hanger 21 are engaged. When the carrier 12 further moves, the workpiece 4 is pulled and separated from the lifter 50. Then, the workpiece 4 is suspended from the conveyor 1. During this time, the operator does not need to lift the workpiece 4 and therefore does not require a force operation. Further, since the carrier 12 pulls the work 4 after the engagement between the upper hook 211 of the work hanger 21 and the lower hook 202 of the hanger 20 is ensured, there is no possibility of the work 4 being accidentally dropped off. The work 4 can be suspended from the conveyor 1 without causing damage such as dropping to the work 4 and with good safety.

  Next, the workpiece carry-out unit 6 will be further described with reference to FIG. FIG. 8 is a schematic diagram showing a workpiece carry-out portion in the coating apparatus of the present invention.

  The workpiece carry-out unit 6 includes a lifter 60 that supports the workpiece 4. The lifter 60 is provided with a buffer material 61. The buffer material 61 is provided to prevent the workpiece 4 placed on the lifter 60 from being damaged. Depending on the application, the cushioning material 61 may not be provided. The height of the lifter 60 is adjusted so that the upper hook 211 of the work hanger 21 engaged with the work 4 supported on the cushioning material 61 reaches the guide protrusion 204 of the hanger 20. ing.

  The workpiece 4 on which the electrodeposition coating film is formed is conveyed to the workpiece carry-out section 6 by the conveyor 1. The conveyor 1 is installed so as to rise toward the workpiece carry-out unit 6. With the workpiece 4 suspended from the conveyor 1, as shown by the arrow in the figure, the workpiece 4 rises and is guided to the lifter 60 as the carrier 12 moves. When the work 4 is conveyed to the lifter 60, the work 4 is placed on and supported by the buffer material 61 of the lifter 60.

  The height of the lifter 60 is adjusted so that the upper hook 211 of the work hanger 21 engaged with the work 4 reaches the guide protrusion 204 of the hanger 20. For this reason, the upper hook 212 of the work hanger 21 moves away from the lower hook 202 of the hanger 20 along the guide protrusion 204. Then, the hanger 20 engaged with the engagement hook 13 is detached from the work hanger 20 with the movement of the carrier 12 of the conveyor 1. Then, the carrier 13 and the hanger 20 move along the conveyor 1, and the work hanger 21 is detached from the hanger 20 and the lower hook 212 is engaged with the work 4 as indicated by the wavy line in the figure. The operator can remove the work hanger 21 from the work 4 and easily carry out the work 4 that has been painted. Thus, the work of removing the work 4 from the carrier 12 can be easily performed by moving the carrier 12, and the lower hook 212 of the work hanger 20 is removed from the work 4 while the work 4 is supported by the lifter 60. Work 4 can be carried out by work. Further, the workpiece 4 can be carried out without fear of dropping on the workpiece 4 and with good safety.

  FIG. 9 shows a coating hanger according to another embodiment of the present invention, and is a front view showing a state in which a workpiece is suspended from a conveying member mounted on a conveyor via the coating hanger. The embodiment shown in FIG. 9 is obtained by changing the configuration of the hanger guide protrusion, and the other configurations are the same as those of the above-described embodiment. Omit.

  In the embodiment shown in FIG. 9, the guide protrusion 204 a is formed by fixing an arc-shaped plate material to the main shaft portion 203. As shown in FIG. 9, the guide projecting portion 204a can be formed of not only a bar but also a plate as shown in FIG.

  FIG. 10 shows a coating hanger according to still another embodiment of the present invention, and is a front view showing a state in which a workpiece is suspended from a conveying member mounted on a conveyor via the coating hanger. The embodiment shown in FIG. 10 is a modification of the configuration of the hanger guide protrusion, and the other configurations are the same as those of the above-described embodiment. Omit.

  The hanger 20 shown in FIG. 10 is obtained by bending one bar and providing an upper hook 201, a lower hook 202, and a guide protrusion 204b. The embodiment shown in FIG. 10 does not have a linear main shaft portion unlike the other embodiments. This simplifies the structure. However, in terms of strength, it is necessary to consider the weight of the workpiece 4 and the like.

  The embodiment disclosed this time should be considered as illustrative in all points and not restrictive. The scope of the present invention is shown not by the above description of the embodiment but by the scope of claims, and is intended to include all modifications within the meaning and scope equivalent to the scope of claims.

  It can be used in a painting line for painting components such as automobile parts, electronic / electrical equipment and furniture.

  DESCRIPTION OF SYMBOLS 1 Conveyor, 12 Carrier, 13 Engagement hook, 2 Paint hanger, 20 Hanger, 201 Upper hook, 202 Lower hook, 203 Main shaft part, 204 Arc-shaped guide protrusion, 21 Work hanger, 211 Upper hook, 212 Each part hook, 4 Workpiece, 5 workpiece supply unit, 50 lifter, 6 workpiece unloading unit, 60 lifter.

Claims (11)

  An upper hook mounted on the engagement hook and a lower hook engaged with the work hanger are arranged between an engagement hook provided on a conveying member mounted on the conveyor and a work hanger for hanging the workpiece. A hanger for coating, characterized in that a guide projection for guiding the work hanger toward the lower hook is provided between the upper hook and the lower hook.   The coating hanger according to claim 1, wherein the hanger includes a main shaft portion that connects the upper hook and the lower hook, and an arcuate guide protrusion provided on the main shaft portion.   The coating hanger according to claim 2, wherein the arcuate guide protruding portion is formed by fixing a bar bent in an arcuate shape to the main shaft portion.   The coating hanger according to claim 2, wherein the arc-shaped protruding portion is formed by fixing an arc-shaped plate member to the main shaft portion.   A transport mechanism that transports a predetermined transport path in a state where a plurality of workpieces are suspended from above with a hanger at a predetermined interval; and a coating unit that is installed at a predetermined position of the transport path; A workpiece supply unit for attaching a workpiece before painting to the conveyance mechanism unit, and a workpiece unloading unit for removing a workpiece after painting suspended from the conveyance mechanism unit, wherein the conveyance mechanism unit has a predetermined conveyance path Forming a conveyor, a conveying member attached to the conveyor, and an engaging hook attached to the conveying member, and disposed between the engaging hook and a work hanger for suspending the workpiece. A hanger having an upper hook to be fitted to the mating hook and a lower hook engaging with the work hanger, the hanger guides the work hanger to the lower hook side between the upper hook and the lower hook. Coating apparatus characterized by guide protrusions are provided that.   The workpiece supply unit includes a lifter for supporting the workpiece, and the upper hook of the workpiece hanger engaged with the workpiece supported on the lifter is at a height that reaches the guide protrusion of the hanger. The coating apparatus according to claim 5, wherein the height is adjusted.   The coating apparatus according to claim 6, wherein the lifter is provided with a cushioning material at a place where the work is supported.   As the transport member of the transport mechanism moves, the upper hook of the work hanger engaged with the work supported by the work delivery section is guided to the lower hook of the hanger along the guide projection of the hanger. 8. The workpiece according to claim 5, wherein the lower hook of the hanger and the upper hook of the work hanger are engaged to be separated from the lifter and the work is suspended from the transport mechanism. Painting equipment.   The work carry-out unit includes a lifter that supports the work, and the upper hook of the work hanger engaged with the work supported on the lifter reaches a height that reaches the guide protrusion of the hanger. The coating apparatus according to claim 5, wherein the height is adjusted.   The coating apparatus according to claim 9, wherein the lifter is provided with a cushioning material at a place where the work is supported.   Along with the movement of the conveying member of the conveying mechanism, the upper hook of the work hanger engaged with the workpiece is guided along the guide protrusion of the hanger to be separated from the lower hook of the hanger, and the lower hook of the hanger is guided. 11. The coating apparatus according to claim 5, wherein an upper hook of the work hook is detached and the work is supported by the lifter.

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