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P09321 Detailed Design Review Mechanical Systems

P09321 Detailed Design Review Mechanical Systems. Felix Feliz Matthew Jones Michael Boquard Rebecca Jaiven Justin Zagorski Shuaib Mansoori. Overview. Medicine dispenser Purpose Design Features Dispensing Refilling Transport Maintenance Manufacturing BOM

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P09321 Detailed Design Review Mechanical Systems

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  1. P09321 Detailed Design ReviewMechanical Systems Felix Feliz Matthew Jones Michael Boquard Rebecca Jaiven Justin Zagorski ShuaibMansoori

  2. Overview • Medicine dispenser • Purpose • Design • Features • Dispensing • Refilling • Transport • Maintenance • Manufacturing • BOM • Sheet Layout including all parts • Engineering Analysis • Issues • Appendix • 2-D • Engineering Analysis

  3. INTRO – PROJECT DESCRIPTION • Produce a robust prototype that dispenses medication on a time-bases to patients in a secure and accountable environment. • Allow to dispense a week’s supply of up to 6 different pills for two patients accessed twice daily. • Reliable and compact electro-mechanical dispensing system that can be controlled by a common laptop.

  4. INTRO – PROJECT DESCRIPTION

  5. Medicine Dispenser - Layout Lid Empty Return Lid Cylinder Holder/ Latch Assy Support Rail Leg (Collapsible) Ramp (Collapsible)

  6. Dispensing Process

  7. Dispensing Process

  8. Dispensing Process

  9. Refilling Process

  10. Refilling Process Flip Ramp to gain access to cylinder slots

  11. Transportation *note: dispenser is turned upside down

  12. Transportation Collapsed Dispenser Cross-section View

  13. Maintenance • For maintenance remove the 4 mounting screws located on the sides of the dispenser and lift the top. • There is a notch in the front of the housing at the center which can be used to help lift the lid.

  14. Manufacturing: Mechanical BOM

  15. Manufacturing: Housing Sheet Metal Layout

  16. Manufacturing: Assembly order • Main housing • Inner mounting rails for PCB • Install PCB and nitinol latch assembly • Mount Top • Mount Empty return door • Mount Extension/ Ramp • Mount legs

  17. Engineering Analysis

  18. Engineering Analysis

  19. Engineering Analysis

  20. Engineering Analysis

  21. Issues • Ramp / Extension clearance • Outside leg hinges 180 max • Empty return lock • Cylinder movement while upside down • Empty return clearance • Mounting location for sensors • Mounting locations for ball & spring latches • Edge deflection on 3’ drop • Edge guards only protect the main housing

  22. Appendix • Force Calculations • Total Weight= • Aluminum+Pills+Cylinders+Nitinol+PCB • Aluminum =85.9 in3 = 8.41lb • Pills= .5g*10*33=165g = .363lb • Cylinder=10g *33 = .727lb • Nitinol =15g *33 = 1.09lb • PCB= .5kg *2 = 2.2lb • Total Weight =12.79 lb +Fasteners • Pressure on rails • Pills+Cylinder+Nitinol+pcb • Force on legs • Force on corner drop • Without rubber edge guards • With rubber edge guards • Pressure on PCB

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