1. overview:
The equipment consists of automatic feeder, servo clamp 1, transverse cutting, end cutting, servo clamp 2, longitudinal cutting, servo clamp 3, punching 1, servo clamp 4, punching 2, servo clamp 5, CNC bending, end bending 1, end bending 2, hole turning machine, 4-link sucker manipulator, feeding belt machine and hydraulic, pneumatic vacuum, electric control system. The utility model is used for automatic forming of the refrigerator door shell (invisible end cover).
2. product process parameters
2.1 product size range
Length: 250-1500mm (without grooves), 450-1300mm (with groove);
Width: 470mm, 490mm, 515mm, 540mm width series, of which 515 width is bending with large arc end at one end (no groove at the other end);
Side fold thickness: 42mm;
Weight: 5kg;
Material: coated VCM board, coated PCM board, substrate thickness 0.45 mm; coated SUS430 stainless steel board, substrate thickness 0.45 mm, the color of the board contains black plate, the performance parameters of the board are shown in Table 1.
Table 1 0.45mm thickness substrate
Type VCM (PVC/PET) color plate PET color plate PCM plate stainless steel
Thickness of protective film (mm) 0.045-0.065 0.045-0.065 0.045-0.065 0.045-0.065
Color film thickness (mm) 0.13-0.15 0.020-0.030 -
Positive paint thickness (mm) - 0.015-0.025 0.015-0.025
Total thickness (plus protective film, mm) 0.620-0.660 0.52-0.565 0.500-0.535 0.520-0.56
3. main technical performance parameters of equipment
3.1.1 equipment blanking height: ground +900mm, conveying height 1200mm;
3.1.2 The color coatings and outer protective coatings of color plate shall be complete, the bending R shall be smooth, and the quality defects of appearance and assembly shall not be affected by paint dropping, protective film damage, dark cracks, oil stains, wounds and indentations caused by equipment processing.
The burrs of the 3.1.3 door shell are cut towards the inside.
3.1.4 product pass rate: equal to or greater than 99.5%.
4. product processing route
Automatic feeding - length and width positioning - automatic film marking - cutting angle - punching - side bending - end bending - drinking machine flanging - cutting;
Whole line beats: less than 22 seconds per piece.