JPH05311496A - Transfer mechanism for transfer for automatic surface treating device - Google Patents

Abstract

PURPOSE:To automate the transfer of articles between a pretreatment zone and a post-treatment zone and to effectively utilize the advantages of both transfer systems by adopting the intermittent transfer system for these zones and adopting the continuous transfer system for a surface treatment zone. CONSTITUTION:A continuous circulation conveyor freely oscillatably fitted with pushers 15 on an endless chain 14 is provided in a plating tank 12 to be intermittently transferred after the pre-treatment in the pretreatment zone 1. The articles are continuously transferred within the plating tank 12 by the pushers 15 and are transferred to the transfer mechanism of the post-treatment zone 11. The pushers 15 are once pushed up in the positions where the pushers 15 invert and travel and after the pushers are made to travel, the pushers 15 are lowered on the pretreatment zoneside and again the articles after the pretreatment are continuously transferred.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is for automatically transferring and transferring articles to be processed along a series of processing steps when performing surface processing such as electroplating, electroless plating and chemical polishing. The present invention relates to a transfer and transfer mechanism in the automatic surface treatment apparatus of.

[0002]

2. Description of the Related Art Conventionally, in an apparatus for performing a series of surface treatments such as electroplating, articles are usually transferred along each treatment tank. The article is pretreated in a plurality of pretreatment tanks and then transferred to a plating tank for plating treatment,
Further, the articles are post-processed and taken out in a plurality of post-treatment tanks, but since the articles are immersed in the respective tanks, the article transfer also requires a lifting movement.

Incidentally, there are an intermittent transfer method and a continuous transfer method for transferring articles, each of which has advantages and disadvantages. That is, in the intermittent transfer method, the article is a → b in FIG.
→ c → d → e → a → …… Transfers as follows (stopping between e → a), so the immersion time of the article can be extended,
The length of each processing tank can be short. However, the plating tank is long due to the immersion residence time, and because the anode, air agitation pipe, plating solution filtration circulation pipe, etc. are attached, the positional relationship between these and the product fluctuates intermittently. However, there is a drawback that a uniform plating film thickness cannot be obtained. On the other hand, in the continuous transfer method, since the articles are transported at a constant speed, the positional relationship between the articles and the attachments in the plating tank continuously fluctuates at a constant speed, and a uniform film thickness can be obtained. However, there was a disadvantage that the length of the tank, which was originally good for being short, would become long.

[0004]

DISCLOSURE OF THE INVENTION The present invention solves the above-mentioned drawbacks of the prior art, adopts an intermittent transfer system in a portion having a plurality of tanks in a pretreatment zone and a posttreatment zone, and uses a surface treatment zone for plating or the like. Adopts a continuous transfer method, and also automates the transfer and transfer of articles between these processing zones to enable uniform surface treatment at all times, improve the reliability of the surface treatment equipment, and improve the productivity. An object of the present invention is to provide a transfer transfer mechanism in a surface treatment device.

[0005]

SUMMARY OF THE INVENTION According to the present invention, a pretreatment zone and a posttreatment zone having a vertically movable intermittent transfer mechanism are arranged in parallel, and the pretreatment zone and the posttreatment zone are provided between the pretreatment zone and the posttreatment zone. A continuous circulation conveyor in which a surface treatment zone having a transfer path communicating with each other at the descending limit position is continuously provided, and a pusher for transferring an article along the transfer path is pivotally mounted in the surface treatment zone in a vertically swingable manner. Provided, in the vicinity of the connecting portion between the pre-treatment and post-treatment zone and the surface treatment zone, the pusher is raised to the vicinity of the reversing traveling position from the post-treatment zone side to the pre-treatment zone side of the continuous circulating conveyor to raise the pusher A transfer bar mechanism in an automatic surface treatment apparatus is characterized in that a guide bar for lowering the bar is disposed on the side transfer path.

[0006]

The article transferred to the surface treatment zone after being intermittently moved up and down and transferred in the pretreatment zone, the article transferred to the surface treatment zone is pushed up by the guide bar, traveled, and then lowered in the surface treatment zone by the pusher. Transferred at speed. When the article subjected to the surface treatment is transferred to the post-treatment zone side, the pusher is pushed up along the guide bar, and the article is transferred to the post-treatment zone by the transfer mechanism of the post-treatment zone and subjected to the post-treatment. The pusher pushed up by the guide bar descends toward the pretreatment zone side, and again transfers the article transferred from the pretreatment zone.

In the vicinity of the pretreatment zone side of this guide bar,
Equipped with a lifting device that receives the pusher that climbs and runs,
It is possible to hold the pusher pushed up once and lower the pusher in conjunction with the transfer of the article from the pretreatment zone to ensure the engagement of the pusher with the article. Also, if the pusher lifting device is operated by the detection signal of the detection sensor for the article provided on the pretreatment zone side of the surface treatment zone and the pushed pusher is lowered, the article from the pretreatment zone to the surface treatment zone is lowered. Will be transferred immediately. Furthermore, by providing a retractable device on the surface treatment zone side of the intermittent transfer mechanism in the post-treatment zone,
The article transferred in the surface treatment zone can be reliably attracted into the intermittent transfer mechanism of the post-treatment zone, and a detection sensor for the transferred article is provided on the post-treatment zone side of the surface treatment zone. The attracting device can also be operated by the detection signal of the detection sensor.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention will be described with reference to FIG. Reference numeral 1 denotes a pretreatment zone provided with a plurality of pretreatment tanks, provided with a work rail 3 ₁ on which a work carrier 2 holding and holding an article (not shown) slides, and above the work rail 3 ₁ . advancing the predetermined range along the workpiece rail 3 _1, tea bar 4 ₁ is provided to retract, they are simultaneously freely elevating in an elevating mechanism (not shown), the workpiece carrier required during forward the tee bar 4 ₁ Claws 5 ₁ that engage with _No. 2 to move it forward, and rotate at the time of retreating to retreat on the work carrier 2 are attached at a constant pitch. Further, a post-treatment zone 11 having a plurality of post-treatment tanks is arranged in parallel with the pre-treatment zone 1, and a work rail 3 ₂ and a claw 5 ₂ similar to the pre-treatment zone 1 are arranged in the post-treatment zone 11. Attached tea bar 4
_Two are provided.

Reference numeral 12 is a continuous U-shaped plating tank which is a plating zone. A work rail 13 is arranged along the plating tank 12, and one end of the work rail 13 descends from the work rail 3 _{1 in} the pretreatment zone 1. The other end is fixed so as to be connected at the lower limit position of the work rail 3 ₂ of the post-treatment zone 11. An endless chain 14 is provided on the plating tank 12 so that the endless chain 14 can run continuously. A base of a pusher 15 that engages with a work carrier 2 on a work rail 13 is pivotally attached to the endless chain 14 at a constant pitch. It can swing freely in any direction. The pusher 15 is pushed up near the connecting portion between the pretreatment zone 1 and the posttreatment zone 11 and the plating tank 12 and near the position where the endless chain 14 runs in reverse from the posttreatment zone 11 side to the pretreatment zone 1 side. A guide bar 16 for descending on the side of the pretreatment zone 1 is provided, and a pusher 15 that is pushed up by the guide bar 16 and travels is received near the side of the pretreatment zone 1 of the endless chain 14, and the tea bar 4 of the pretreatment zone is received. An elevating device 17 for lowering the pusher 15 to the work rail 13 is provided in association with the operation of transferring the work carrier 2 by ₁ .

Further, the pretreatment zone 1 of the plating tank 12
It is also possible to provide a detection sensor 18 ₁ for the articles to be transferred in the vicinity of the work rail 13 on the side and operate the elevating device 17 by the detection signal of the detection sensor 18 ₁ to lower the pusher 15. Further, when the work carrier 2 is transferred from the work rail 13 of the plating tank 12 to the work rail 3 ₂ of the post-treatment zone 11, the claw 5 ₂ is engaged with the work carrier 2 even when the tea bar 4 ₂ of the post-treatment zone 11 is moved. A pulling device 20 that can be expanded and contracted by the air cylinder 19 and has a claw 5 ₃ at the tip can be attached to the tea bar 4 ₂ in case the sheets are not combined, and the work on the side of the post-treatment zone 11 of the plating tank 12 can be attached. It is also possible to provide a detection sensor 18 ₂ for the articles to be transferred in the vicinity of the rail 13 and operate the drawing device 20 by the detection signal of the detection sensor 18 ₂ .

Next, the transfer transfer cycle will be described with reference to FIGS.
2, the work rails 3 ₁ and 3 ₂ and the tea bars 4 ₁ and 4 _{2 in the} pretreatment zone 1 and the posttreatment zone 11 are lowered to the lower limit position and the plating tank 12 is operated.
Are contacted with the workpiece rail 13, tee bar 4 _1, 4 ₂ indicates a state in which the reverse limit. Now, as shown in FIG. 3, when the tea bars 4 ₁ and 4 ₂ advance to the forward limit, the claw 5 ₁ moves A of the work carrier 2 from the work rail 3 ₁ to the work rail 13, while X of the work carrier 2 is It moves to the work rail 3 ₂ by the claw 5 ₃ of the drawing device 20. Next, as shown in FIG. 4, the work rail 3
_1, 3 ₂ and tee bars 4 _1, 4 ₂ rises to the upper limit, tea bar 4 _1, 4 ₂ are retracted to a retracted limit, lowered onto the workpiece rail 13 pusher 15 by the elevating device 17 (see FIG. 2) Then, the pusher 15 which engages with A of the work carrier 2 and transfers it, and at the same time the work carrier 2 is released from X, slides on the guide bar 16 and rises. Next, as shown in FIG. 5, the tea bars 4 ₁ and 4 ₂ advance to the forward limit, and the B of the next work carrier 2 in the pretreatment zone 1 is transferred to the upper side of the plating tank 12 by the claws 5 ₁ , while The X of the work carrier 2 is transferred above the post-processing zone 11 by the claws 5 ₂ of the tea bar 4 ₂ . Then
As shown in FIG. 6, the work rails 3 ₁ and 3 ₂ and the tea bars 4 ₁ and 4 ₂ descend to the lower limit, and the tea bars 4 ₁ and 4 ₂
Retreat to the retreat limit. By repeating such a cycle, the pre-treatment zone 1 and the post-treatment zone 11 in which intermittent transfer is performed and the plating tank 13 in which continuous transfer is performed are transferred and transferred.

[0012]

As described above, according to the present invention, the length of each processing tank is minimized by adopting the intermittent transfer system in the pretreatment zone and the posttreatment zone, and it is continuous to the surface treatment zone. The uniform transfer method is used to enable uniform surface treatment, and the transfer of articles between each of these treatment zones is automated with a simple structure, increasing the reliability of the surface treatment equipment and contributing to the improvement of productivity. can do.

[Brief description of drawings]

FIG. 1 is a perspective view of a main part showing an embodiment of the present invention.

FIG. 2 is an explanatory diagram of a transfer cycle of FIG.

FIG. 3 is an explanatory diagram of a transfer cycle of FIG.

FIG. 4 is an explanatory diagram of a transfer cycle of FIG.

5 is an explanatory view of the transfer cycle of FIG.

6 is an explanatory view of the transfer cycle of FIG. 1. FIG.

FIG. 7 is an explanatory diagram of an intermittent transfer cycle.

[Explanation of symbols]

1 Pretreatment Zone 2 Work Carrier 3 ₁ Work Rail 3 ₂ Work Rail 4 ₁ Tea Bar 4 ₂ Tea Bar 5 ₁ Claw 5 ₂ Claw 5 ₃ Claw 11 Post Treatment Zone 12 Plating Tank 13 Work Rail 14 Endless Chain 15 Pusher 16 Guide Bar 17 Lifting device 18 ₁ Detection sensor 18 ₂ Detection sensor 19 Air cylinder 20 Pulling device

Claims (5)

[Claims] 1. A transfer in which a pre-treatment zone and a post-treatment zone provided with an intermittent transfer mechanism that can be raised and lowered are arranged in parallel, and the transfer paths from the pre-treatment zone to the post-treatment zone are connected at their descending limit positions. A series of surface treatment zones with passages
In the surface treatment zone, provided is a continuous circulating conveyor in which a pusher for transferring an article along a transfer path is pivotally mounted in a vertically swingable manner, and in the vicinity of a connecting portion between the pretreatment and posttreatment zones and the surface treatment zone, An automatic surface characterized in that a guide bar for raising the pusher and lowering it to a transfer path on the side of the pretreatment zone is provided in the vicinity of a reversing traveling position from the side of the posttreatment zone to the side of the pretreatment zone of the continuous circulation conveyor. Transfer mechanism in processing equipment. 2. An elevating device is provided near the pretreatment zone side of the guide bar to hold the pushed-up state of the pusher and lower the pusher to a transfer path in conjunction with a transfer operation of the pretreatment zone. A transfer and transfer mechanism in the automatic surface treatment apparatus described. 3. A detection sensor for an article to be transferred is provided in the vicinity of a transfer path on the pretreatment zone side of the surface treatment zone, and the lifting device is operated to lower the pusher by a detection signal of the detection sensor. The transfer mechanism of the automatic surface treatment apparatus according to claim 2. 4. The transfer and transfer mechanism in an automatic surface processing apparatus according to claim 1, wherein an extendable retracting device is provided on the surface processing zone side of the intermittent transfer mechanism of the post-processing zone. 5. A detection sensor for articles transferred to the vicinity of a transfer path on the side of the post-treatment zone of the surface treatment zone, and the pulling device is operated by a detection signal of the detection sensor. Transfer mechanism in automatic surface treatment equipment.