2 Part 2 Mould Structure
Basic Structure Mould Type Parting Line Feeding System Mould Grade Basic Structure Two-plate injection mould
Three-plate injection mould Two-plate injection mould
1. sprue bush; 2. guide pin; 3. fixed mould plate; 4. core; 5. moving mould plate; 6. moving mould support plate; 7. sleeve; 8. stop pin; 9. spacer block; 10. core; 11. screw; 12. clamping plate of moving mould; 13. ejector-retainer plate; 14. sprue puller pin; 15. ejector-support plate; 16. return pin Direct Gate Mould Base
GB/T ABCD A B GB/T ABCD C D ejector retainer plate
moving mould plate guidebush cavity insert guide pin fixed mould plate core insert ejector retainer plate ejector support plate moving clamping plate fixed clamping plate ejector pin return pin sprue bush 1) 2) 3) 4) 1) 2) Three-plate injection mould
1. sprue bush; 2. guide pin; 3. fixed mould clamping plate; 4. fixed mould plate; 5. spring; 6. stop pin; 7. core; 8. moving mould plate; 9. moving mould support plate; 10. spacer block; 11. screw; 12. return pin; 13. ejector pin; 14. clamping plate of moving mould; 15. ejector-retainer plate; 16. ejector-support plate; DADBDCDD DADBDCDD 1) 2) 3) 1) 2) 3) 4) Mould type Angle pin core-pulling
Slanted lifer core-pulling Weldless plastic injection Mould with unscrewing unit Angle pin core-pulling
1. ejector-retainer plate; 2. ejector-support plate; 3. straight pin; 4. ejector pin; 5. back locating ring; 6. back ejector-support plate; 7. pillar; 8,16. sprue puller pin; 9. ejector bush; 10. location pin; 11. screw; 12. return pin; 13. guide pin; 14. guide bush; 15. moving mould support plate; 17. core insert; 18,21. cavity insert; 19. locating ring; 20. sprue bush; 22. fixed mould support plate; 23. slanted slide; 24. angle pin; 25,31. wear plate;36.wedge plate; 27. fixed mould plate; 28. slide insert;29. cooling pipe; 30.moving mould plate;32. spacer block;33. moving mould clamping plate Slanted lifer core-pulling
1. ejector-support plate; 2. channel frame; 3. rolling axis; 4. ejector pin; 5. moving mould plate; 6. core; 7. slanted lifter; 8. fixed mould plate; High light & weldless plastic injection mould
High light & weldless part Traditional part Weldless line Approximately conformal heating & cooling channel
Highlight shell Mould with unscrewing unit Parting line
Assure plastic part's appearance Parting line to facilitate venting Parting line to facilitate demolding Parting line to assure plastic part accuracy Parting line to facilitate machining Coordination between lateral parting line and major parting line Parting line compatible with injection moulding machine parameters Draft to impact parting lines Feeding system gate makeup edge sprue
direct disk subsprue spoke clawed pin-point submarine makeup sprue runner balanced radiate linear Y Y-shape X X-shape H H-shape unbalanced single cavity Feeding system makeup
1. cold-slug well; 2. sprue; 3. runner; 4. gate; 5. plastic part; 6. vent groove Sprue 1mm 0.51mm Runner Balanced runner Radiate unreasonable Linear Y Y-shape X X-shape HH-shape Unbalanced runner Single cavity runner Gate Edge gate Direct gate Disk gate Subsprue gate Spoke gate Clawed gate Pin-point gate 1. fixed mould plate; 2. core; 3. stripper plate; 4. sprue puller pin; 5. sprue bush; 6. fixed mould clamping plate; 7. ejector pin; 8. stop pin Submarine pulling-break off pushing-break off Mould grade 400t 101 100 1) 2) 25HRC 3) 48HRC 4) 5) 6) 7) 8) 102 50 100 1) 2) 25HRC 3) 48HRC 4) 5) 6) 103 50 1) 2) 13.5HRC 3) 25HRC 104 10 1) 2) 3) 105 500 Mould surface roughness
Mould surface roughness 12 (A-D) A Ra00.1mA1A2A3 B0.10.2mB1B2B3 C 0.20.8m C1C2C3 DD1D2D3