DIY Cream Dispenser: How to Build a Handheld Squeezer with Your Daughter

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Discussion Overview

The discussion revolves around building a DIY handheld cream dispenser, focusing on the mechanical mechanisms that can be employed to squeeze small cream bottles. The scope includes practical design considerations and potential electronic components for the project.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • One participant expresses interest in building a handheld cream dispenser with their daughter and seeks advice on mechanical mechanisms to squeeze small cream bottles.
  • Another participant suggests using a syringe with a motor-driven rod to dispense cream, or utilizing pump-nozzle bottles that can be activated with a motor.
  • There is a proposal to use rollers to squeeze tubes, with a mention that a similar approach might work for bottles depending on their design.
  • A suggestion is made to use a vise and a motor to drive screws to apply pressure to the bottle.
  • One participant requests examples or sketches of roller mechanisms for tubes.
  • A later reply mentions the existence of manual roller devices for toothpaste tubes and suggests searching for designs online.

Areas of Agreement / Disagreement

Participants present multiple approaches to the problem, with no consensus on a single method. Various mechanical mechanisms are proposed, but the discussion remains open-ended regarding the best solution.

Contextual Notes

Participants do not provide specific details on the limitations or assumptions of the proposed mechanisms, nor do they resolve the feasibility of each suggestion.

Who May Find This Useful

Individuals interested in DIY electronics, mechanical design, or parent-child projects may find this discussion relevant.

noanalyst
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Hi everyone,

Just new to the forum and a novice electronic geek. I am trying to build a small cream dispenser with my daughter. Basically a hand held device that when you press a button automatically squeezes the bottle and dispenses a preset amount of cream. I know there are probably professional made ones out there but will be fun building one with her.

That being said, I am ok with the electronic circuitry but I am not sure what are the various ways a small handheld bottle can be squeezed. I pulled apart an electronic stapler but it was a series of gears that I could not possibly make. Is there some other easier mechanical mechanism that I can reasonably and cheaply build with her over a weekend or two.

Just to clarify, I am not talking about the big 16oz cream bottles, just the handheld 1 or 2 oz ones that you can carry in a bag or that you find for 99 cents in most drug stores.

Thanks in advance
 
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The usual solution is to put the cream in a syringe and use a motor+rod to drive the plunger.
Similarly, a lot of creams come in pump-nozzle bottles - you know, where you press on the spigot and cream comes out? You can easily get a motor to work oe of those.

Squeezing a tube would be done using rollers - a bottle may be similar, depends on the details of the bottle.
You can put a bottle in a vise, and use a motor to drive the screws?

What you really want to know is what it would take to squeeze the bottle as much as needed.
 
Ok. I like the suggestions. Did not think about using rollers for tubes. Do you have any examples or sketches I can look at.
 
There used to be a roller device for toothpaste tubes - a quick google of those terms will show you the manual version in several designs.
 
Just saw it. Perfect. Thanks
 

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