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  • Need an electrical/mechanical mechanism to extract toothpaste from a toothpaste tube

    Discussion in 'The main mechanical design forum' started by CharlieP, Jan 15, 2014.

    1. CharlieP

      CharlieP New Member

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      For a project im looking at designing an automatic toothpaste dispenser for the disabled and am stuggling to design or find an existing mechanism to effectivly dispence the toothpaste. Any help would be appreciated, be it advice, suggestions or a mechanism idea itself.
       
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    3. s.weinberg

      s.weinberg Well-Known Member

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      First idea that pops into my head is a roller that moves over the toothpaste back to front.
       
    4. TWeakley

      TWeakley New Member

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    5. John Bouvier

      John Bouvier New Member

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      How about inserting the tube into a sealed container that you can pressurize by a few psi (enough to force the tube to extrude the paste) A lever valve mechanism will allow you to dispense paste and should be a simple motion for someone with most disabilities.
       
    6. nilsbj

      nilsbj Member

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      Or 2 rollers, one from each side. What kind of activation are you thinking of?
       
    7. s.weinberg

      s.weinberg Well-Known Member

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      The reason I was thinking one roller, besides simplicity, was to push the toothpaste to the cap end as it empties.

      For activation, it could be simple, like a push button, or something fancier, like a photo or IR sensor that would activate when the brush was in position.
       

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