DE3447598A1 - CONTACT BLOCK FOR GALVANIC BATHS - Google Patents

Description

Description: Contact block for galvanic baths

It is an electrical contact block made of Al or Cu for galvanic Baths, for contacting goods carriers

The contact blocks are used for electr. Power transfer to the carrier that is to be galvanized Goods (parts) are hung or loaded. It must be ensured that the transmission of the electr. Current flow from the contact block to the product carrier, non-positive and with the lowest possible heat

development takes place.

Well-known versions are:

Consisting of individual contact lamellas

Trestles, whereby the lamellas are pressed against the goods carrier by spring pressure.

Contact blocks with fixed tongues in which individual contact pins working with spring pressure are used. Contact blocks with pneumatically or hydraulically controlled eccentrics or pressure plates as well as saddle

Contact blocks with prism-like support.

Due to the influence of bath chemicals and heat, there are moving parts and mechanical devices subject to considerable wear and tear, which greatly affects the ability to contact over time

pregnant and thus leads to a further increase in warming.

The invention is the result of the search for a simple solution, for a flawless, problem-free contacting that

is given by the characterizing features of claims 1 to 3.

In order to function properly, the dimensions of the contact block be matched to the dimensions of the contact head of the respective goods carrier. No additional manual is required to achieve an optimal connection or control measures, the heating is limited to a minimum. The connection is established automatically by inserting or lifting the product carriers

or solved. For this reason, the contact block is particularly suitable for fully automatic controlled electroplating.

The embodiment shown in the drawing is described as follows:

The contact block (l) as the base body is connected to the electr. Power supply connected. the Wedge clamping plate (2) is held in its initial position by spring pressure (6). At put on of the goods carrier on the wedge

plate nose (3) the wedge clamping plate (2) is pressed down against the spring pressure (6), so that as a result of the sliding surface (A-) running at a corresponding angle, through the Weight of the goods carrier, a force

conclusive wedging or contacting takes place. When the product carrier is lifted the wedge clamping plate (2) pushed back towards the starting position by means of spring pressure (6), so that the contact is released by itself.

With the saddle-shaped design (5) of the wedge clamping plate nose (3) it is achieved that differences in the contact surfaces of the goods carriers be balanced. For this purpose, the guide of the wedge clamping plate (2) is chosen so that it

can swing out in its transverse axis.

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Claims (3)

Gustav Erhardt Company, Siemensstrasse Ii, 6? 67 Buchet * ' ^ ^ " Contact block for galvanic baths Claims: 1. Contact block for galvanic baths, characterized in that the contacting and decontacting of the in galvanic devices used goods carriers, automatically when inserted and lifting takes place. 2. Contact block according to claim 1, characterized in that the contacting by means of a corresponding wedge angle (4) arranged wedge clamping plate (Ü) with nose (3), is reached via the weight of the goods carrier. Whereby the Wedge clamping plate (2) can also consist of several sub-plates arranged one behind the other. 3. Contact block according to claim 1. and 2., characterized in that by the with the saddle-shaped design (5) of the wedge clamping plate nose (3) made possible Pivoting around the transverse axis, parallel Differences in quality in the contact surfaces of the product carriers are balanced out will.