Novel plastic dipping technology
A process and new technology, applied in the direction of pretreatment surface, coating, device for coating liquid on the surface, etc., can solve the problem of difficult to ensure the thickness of dipping, the same, etc., to ensure the quality of the coating and improve the quality of the coating. Effect
Pending Publication Date: 2021-12-10
福建春江消防有限公司
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Problems solved by technology
[0006] Therefore, in view of the above-mentioned problems, the present invention proposes a new type of dipping process, which solves the problem that in the actual use of the prior art, it is difficult to ensure that the dipping thickness of each surface is the same when using powder dipping. A technical problem that caused some places to be thicker and some areas to be thinner
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Embodiment Construction
[0020] The present invention will be further described in conjunction with the accompanying drawings and specific embodiments.
[0021] refer to figure 1 , the present embodiment provides a novel dipping process, the steps of which include:
[0022] 1) Workpiece pretreatment: the workpiece pretreatment in the step 1 includes surface pretreatment and overall pretreatment, wherein the overall pretreatment is a stress removal process, and the deburring and degreasing are arranged after the stress removal step. In the embodiment: the deburring treatment is performed first, and the deburring treatment is carried out by steel ball scouring. In the deburring step, the diameter of the steel ball is 0.5-1mm, and the speed of scouring onto the workpiece is between 0.5-2m / s , when setting, it is set to 1m / s, and the speed of steel ball ejection should be adjusted in time as the steel ball wears, so as to ensure the effect of deburring;
[0023] The process of stress removal is processe...
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The invention discloses a novel plastic dipping technology. The novel plastic dipping technology improves the situation that in the prior art, when powder plastic dipping is adopted for plastic dipping, it is difficult to guarantee that the plastic dipping thickness of each face is the same, so that a part of positions are thick, and a part of areas are thin. According to the novel plastic dipping technology, a preheated workpiece is immersed into epoxy resin powder in a fluidized state, so that the epoxy resin powder is adhered to the surface of the workpiece, when the epoxy resin powder is adhered to the workpiece, the epoxy resin powder melts and is adhered to the surface of the workpiece, the epoxy resin powder is taken out from the epoxy resin powder in the fluidized state after 3 seconds, and high-pressure air is blown out by using an air compressor, and the unmelted resin powder is blown off, so that the same thickness of the plastic dipping layer on each surface of the workpiece can be effectively ensured, and the coating quality is effectively ensured and improved.
Description
technical field [0001] The invention relates to the field of plastic dipping, in particular to a novel plastic dipping process. Background technique [0002] Plastic dipping is to spray plastic powder evenly on the metal by heating the metal to form a layer of plastic film, or heat the dipping liquid into the metal parts to cool it and then cover the metal surface with plastic. This process has the characteristics of no need for molds, low processing cost, easy forming, and can process various shapes, etc., and is widely used. However, the products of the guardrail netting are all powder dipping; according to whether heating is required, it can be divided into hot dipping and cold dipping, and according to the raw materials of dipping, it can be divided into liquid dipping and powder dipping. [0003] Currently, Chinese Patent No.: CN202010429091.6 discloses an anti-corrosion plastic dipping process for metal profiles, including a high-temperature box device, a PE powder bo...
Claims
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Patent Timeline
Login to View More IPC IPC(8): B05D7/14B05D3/02B05D3/04B05D1/24B05C19/06
CPCB05D7/14B05D3/0218B05D1/24B05D3/0254B05D3/0426B05C19/06
Inventor 洪炳昆
Owner 福建春江消防有限公司