Design Principle of Slide Block and Inclined Top of Automotive Mould

1. Design principle of slide block for automotive mould

(1) The slope angle of the slider should be 2 to 3° larger than that of the inclined guide post, and the angle of the inclined guide post should not exceed 20°;

(2) The distance between the sliding block and the sealing surface of the front mold should be greater than 15mm;

(3) The insertion surface between the slider and the mold core must be made 3° or 5° to avoid direct friction with the automotive mould core;

(4) It is best to keep the original body of shovel, and the form of insert should ensure the strength;

(5) The oblique side and bottom surface of the slider need to be made of wear-resistant blocks, and fast molds can be considered not to be made of wear-resistant blocks;

(6) The slider needs to add a spring (or a buckle, or a spring and a buckle together) and a limit device;

(7) When the area of the glue plane on the slider is large, a backhoe is needed;

(8) Make it know how to calculate the stroke of the lower slider;

(9) Know the material used for the wear block guide; whether it is necessary to open the oil groove; if necessary, which side to open.

2. Design principle of inclined roof of automotive mould

(1) The mating length of the inclined top link and the guide sleeve must be greater than 2/3 of the length of the link in the B plate;

(2) It is better to fix the inclined top block and the link with cup-head screws, which is convenient for processing; secondly, use pins; thirdly, it can be in the form of pressing blocks;

(3) The edge of the screw hole on the top block is at least 5mm away from the sealing position;

(4) The hole between the connecting rod and the B plate is 0.5mm on one side;

(5) The head and tail of the link should be considered for positioning; the bottom plate should be made with craft holes for easy disassembly and assembly;

(6) The angle of inclined top ejection should be below 12°, not more than 15°;

(7) Know how to calculate the ejection stroke of the up and down slope;

(8) If there is no requirement for the inclined top seat, the simplest design shall be adopted.