Air filter and preparation process thereof
A preparation process and air filter technology, which is applied in mechanical equipment, dispersed particle filtration, machines/engines, etc., can solve the problems of low production efficiency, high process control difficulty, and unsightly appearance of air filters, and achieve a smooth and beautiful appearance of the product, The effect of low process control difficulty and few appearance defects
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Embodiment 1
[0066] Reference figure 1 As shown, the air filter of the present invention includes a fixed frame 1 and a filter element 2. The peripheral edges of the filter element 2 are embedded in the frame of the fixed frame 1, the material of the fixed frame 1 is TPE, and the filter element 2 includes Two layers of iron nets and a non-woven fabric sandwiched between the two layers of iron nets, the fixed frame 1 and the filter element 2 are integrally formed through an insert molding process.
[0067] In Example 1, refer to figure 2 As shown, the non-woven fabric is a pleated non-woven fabric coated with an air filter. Coating air filter oil can not only ensure the air flow, but also effectively ensure the air filter's ability to capture dust; and the pleated design increases the surface area of the filter element, thereby increasing the air filter's air flow.
[0068] In Example 1, the production formula of the TPE includes the following components by weight:
[0069] 15 parts of EPDM ru...
Embodiment 2
[0088] Reference figure 2 As shown, the preparation method of the air filter of the present invention includes the following steps:
[0089] Step 1. Prepare the filter element, including the following steps:
[0090] A. Oiling: spray the air filter oil evenly on the non-woven fabric;
[0091] The non-woven fabric coated with air filter oil can not only ensure the ventilation rate, but also effectively ensure the ability to capture dust;
[0092] B. Slitting: the non-woven fabric obtained in step 1 is cut according to the size required by the product using an infrared photoelectric correction slitting machine;
[0093] C. Discount: sandwich the cut non-woven fabric between two iron nets, and discount according to the product's required folding height, with a control accuracy of ±0.2mm;
[0094] The pleated design enlarges the surface area of the filter element, thus increasing the ventilation of the air filter.
[0095] D. Cutting: Cut the discounted non-woven fabric and iron mesh accor...
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