Device for holding workpieces during electrolytic treatment
An electrolytic treatment and workpiece technology, applied in electrolytic components, electrolytic coatings, electrolytic processes, etc., can solve problems such as establishing electrical connections that are not suitable for use
Pending Publication Date: 2021-05-14
WTF电镀技术两合公司
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- Description
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- Application Information
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Problems solved by technology
This variant is less suitable for establishing an electrical connection between a large number of workpieces and a commodity carrier, since here the contact area drops into the immersion bath
Method used
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[0026] figure 1 A device for holding workpieces during electrolytic treatment in a vessel with an anodizing bath and / or paint application bath is shown, which has a frame support 1 that can be raised and lowered. Support arms 3 , 4 are arranged in opposite pairs in height on the frame column 1 , between which a workpiece 9 can be clamped in each case. The workpiece 9 is shown here in the form of a roof rack of a passenger vehicle.
[0027] The lower support arm 3 of each support arm pair is arcuate and bent and has, at its end remote from the frame strut 1 , a shaped part 5 with which the edge of a workpiece 9 can be fixed.
[0028] The upper second support arm 4 has a jaw-like shape with an inner jaw side 7 and an outer jaw side 6 and is configured in a bellows manner pointing in the direction of the first support arm 3 for receiving a workpiece 9 , wherein the jaw opening is designed such that the inner jaw side 7 exerts pressure on the workpiece 9 when the workpiece 9 is ...
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The invention relates to a device for holding a workpiece during electrolytic treatment, in particular for holding a workpiece during electrolytic treatment in at least one container having an anodizing treatment bath and / or a paint application bath. The equipment is at least provided with one or more liftable frame support columns; the frame support column is provided with support arms which are arranged on the frame support column in pairs in height; workpieces can be clamped between the support arms respectively. Power supply to the workpiece is achieved through the frame support column and the support arm. The first support arm of each support arm pair has a bent section or shaped part, by means of which the edge of the workpiece can be fixed by overlapping. The second support arm has an inner jaw side edge and an outer jaw side edge in a jaw-shaped manner and is configured in a crank throw manner in a manner of pointing towards the direction of the first support arm so as to accommodate another edge of the workpiece; when the workpiece is clamped between the support arms, the jaw opening of the inner jaw side is designed to exert pressure on the workpiece.
Description
technical field [0001] The invention relates primarily to a device for anodizing, in particular metal, workpieces in a container and / or for the application of paint, wherein the workpieces are suspended in a support frame and immersed in a corresponding bath. Background technique [0002] Such devices are well known. In the simplest case, according to DE 94 11 523 U1, the object to be processed or the workpiece to be processed is clamped on the support frame, for example by means of clamping arms or clamps on an aluminum rail. The support frame with clamp arms and workpiece is then lowered into the anodizing tank with electrolyte. One or more cathodes are also arranged in the anodizing bath, so that a closed current circuit can be formed via the workpiece and the electrolyte. [0003] This has the disadvantage that, during the anodizing process, for example, rows of layers which are no longer electrically conductive, such as oxide layers, are formed on the support frame an...
Claims
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Login to View More IPC IPC(8): C25D17/06
CPCC25D17/06C25D17/08C25D17/005C25D11/005C25D11/06C25D13/22
Inventor 米尔科·福尔塔克
Owner WTF电镀技术两合公司