JP2531785B2 - Polishing method for holders for suspended transportation of articles - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention polishes a holder for suspending and conveying articles, which is used when an aluminum part is subjected to electrochemical treatment such as alumite treatment or electrodeposition coating. Regarding the method.

2. Description of the Related Art For example, a carrier for automatic alumite treatment of aluminum parts is provided with a carrier bar on a tune conveyor arranged near the ceiling, and a holder for carrying articles is attached to the carrier bar in a suspended state. It is said that the aluminum part as the article to be treated is locked and held, and a predetermined surface treatment is carried out by repeating dipping while continuously transferring it to the alumite treatment tank by driving the conveyor.

Since the holder is immersed in the treatment bath together with the component to be treated, in order to maintain a good electrification state each time it is reused, in particular, the surface of the electrification support part is maintained. It is necessary to polish. For this reason, conventionally, polishing has been carried out by using a polishing tool such as a file, or by immersion in a predetermined processing bath and chemical polishing.

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention However, in the method of mechanically polishing, the current-carrying support portion to be polished is often at a high position in a suspended state in the processing line, which is dangerous to the operator. However, when the treatment is performed outside the processing line, the holding tool must be removed from the carrier bar once, and the work efficiency is poor. Further, it is inefficient because it is carried out manually by using a polishing tool such as a file both inside and outside the processing line. On the other hand, in the case of the chemical polishing method, it takes a long time for the treatment, the management of the treatment bath is troublesome, and there is a difficulty in securing the safety of the operator.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a method for safely and efficiently abrading a holder for suspending and conveying articles in a processing line.

Means for Solving the Problems The present invention is intended to spray an abrasive material onto a holder for suspending and conveying articles while keeping the holder in a suspended state in a processing line at a high speed.

That is, the polishing method according to the present invention is used to perform a predetermined electrochemical treatment on an article to be treated by suspending the article to be treated and continuously dipping it while sequentially transferring it to a predetermined treatment tank. There is a method for polishing a holder for suspended transportation of an article, wherein the holder from which the article has been removed is introduced into a polishing device that is arranged inline at a position after completion of the treatment, and the holder is equipped with the polishing device. With a shot gun that can be moved up and down, the abrasive is sprayed at high speed on at least the current-carrying support portion of the holder during the forward stroke, and then the air is blown during the backward stroke to remove the abrasive. It is a thing.

EXAMPLES Examples of the present invention will be described below. In FIG. 1, (1) is a chain conveyor arranged near the ceiling, (2) is a horizontal carrier bar attached to the chain conveyor, and (3) is an article attached to the carrier bar in a suspended state. An object to be processed (not shown) is locked and held by the current-carrying support portion (3a) of the carrying holder.

The holder (3) is automatically guided to the polishing device (4) arranged in the processing line after the predetermined alumite treatment is completed. The polishing device (4) is
A casing main body (6) having a holder housing part (5) having an open upper end and left and right sides, which is adapted to house the holder (3) from which the article to be processed has been removed in a suspended state. And a shot gun (which automatically blows the abrasive material together with the heat-compressed air toward the holder (3) at a high speed when the holder is guided into the housing (5). 7) is equipped. This gun (7)
A drive motor (9) is attached to a chain (8) vertically arranged in the casing body (6) via a pedestal (7a), and is provided at the upper end of the casing body (6). ), The chain (8) is driven so that the chain can be moved up and down. The chain (8) is always located at the bottom of the casing body (6) and stands by until the holder (3) is guided. .

When the holder (3) is transferred into the accommodating part (5), the gun (7) automatically moves upward while spraying an abrasive. The surface of the holder (3) is polished by spraying the abrasive material. Then, when the gun (7) reaches the upper end, its operation is automatically stopped, and this time, while only performing air blow, it is lowered and returned to the standby position. This air blow cleanly removes the abrasive adhered to the surface of the holder (3).

The abrasive is collected from the lower part of the caging body (6) via a hose (10) into a recovery tank (11) separately provided. Since dust is mixed with the abrasive in the recovery tank (11), only the dust is selected by the dust collector (12) adjacent to the tank (11) as shown in FIG. The abrasive has been removed and is ready for reuse.

It is necessary to polish at least the current-carrying support portion (3a) of the holder (3), and only the current-carrying support portion (3a) may be polished intensively. There is no particular limitation on the type of abrasive material or whether the spraying method is dry or wet.

EFFECTS OF THE INVENTION As described above, the present invention introduces the holder from which the article has been removed into a polishing device that is arranged inline at a position after completion of the treatment in a treatment line for performing an electrochemical treatment, and the polishing device At the forward stroke of the shot gun, the abrasive material is sprayed onto at least the current-carrying support part of the holder at a high speed for polishing, and then the air is sprayed on the backward stroke to remove the abrasive material. Therefore, the polishing of the holder, which is the object to be processed, can be carried out automatically within the processing line, and without any manual labor, and by the manual work using the conventional polishing tool. As compared with the mechanical polishing method and the chemical polishing method, remarkable high efficiency and labor saving can be achieved. Moreover, it is possible to uniformly and surely polish a desired portion and ensure the safety of the operator.

[Brief description of drawings]

1 is a front view of a polishing apparatus, and FIG. 2 is a side view showing a polishing apparatus, an abrasive recovery tank, and a dust collector. (3) ...... Holding and transporting holder for articles, (3a) ... Electric current support, (4) ... Polishing device.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Kazuo Sugiyama 6-224 Kaiyamacho, Sakai City, Osaka Prefecture Showa Aluminum Co., Ltd. (56) References Ed. "Practical plating for field engineers" (Sho 53-9-25) Maki Shoten, p. 504-506

Claims (1)

(57) [Claims] 1. A suspension of an article, which is used for subjecting the article to a predetermined electrochemical treatment by repeating dipping while suspending the article to be processed and sequentially transferring it to a predetermined treatment tank. A method of polishing a holder for lower conveyance, wherein the holder from which the article has been removed is introduced into a polishing device arranged in-line after completion of the above treatment, and the lifting device equipped in the polishing device is freely movable. An article, characterized in that an abrasive is sprayed at a high speed on at least a current-carrying support portion of the holder at the forward stroke by a shot gun to polish the abrasive, and then air is blown at the backward stroke to remove the abrasive. Polishing method for holders for suspended transportation of.