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STM8-based smooth particle feeding mechanism of 3D bio-printer

A 3D printer and feeding mechanism technology, applied in the field of biological 3D printing rapid prototyping, can solve the problems of high hardware cost, large engineering amount, poor universality of the correction formula, etc., and achieve the effect of effective adjustment of feeding speed and accurate counting.

Active Publication Date: 2014-09-10
HANGZHOU DIANZI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The correction formula is based on a large amount of measurement data, the engineering volume is huge, and the correction formula is not universal
[0012] 2. Design a more sophisticated feeding mechanism, and more hardware designs will be added soon to improve the stability of feeding, but the hardware cost is high

Method used

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  • STM8-based smooth particle feeding mechanism of 3D bio-printer
  • STM8-based smooth particle feeding mechanism of 3D bio-printer
  • STM8-based smooth particle feeding mechanism of 3D bio-printer

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Experimental program
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Embodiment Construction

[0031] Such as figure 1 As shown, the stable particle feeding mechanism of the biological 3D printer based on STM8 of the present invention includes a mechanical structure and a control circuit.

[0032] For the control circuit part of the stable particle feeding mechanism of the STM8-based biological 3D printer, it includes a photocell counting module and a single-axis stepping motor control module.

[0033] Such as figure 2 As shown, the electric tube counting module includes an STM8 chip STM1, a first pull-up resistor R1, a first filter capacitor C1, a second filter capacitor C2 and a first photogate J1; the model of the STM8 chip STM1 is STM8S003F3.

[0034] The 4th pin of the STM8 chip STM1 is connected to one end of the first pull-up resistor R1 and one end of the first filter capacitor C1, the other end of the first pull-up resistor R1 is connected to the +3.3V power supply, and the other end of the first filter capacitor C1 Connect with the 7th pin of STM8 chip STM1...

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Abstract

The invention discloses a STM8-based smooth particle feeding mechanism of a 3D bio-printer; and 3D printing feeding mechanisms based on particle feeding on the present market all adopt an open-loop system, and the present feeding speed and feeding quantity of the feeding mechanisms cannot be known. The smooth particle feeding mechanism comprises a mechanical structure and a control circuit. The control circuit comprises a phototube counting module and a single-shaft stepper motor control module. Through the combination of the control circuit based on a single-chip microcomputer technology and a photogate counting principle, a 3D bio-printer feeding structure is designed to realize precise counting of feeding particles and effective adjustment of the feeding speed.

Description

technical field [0001] The invention belongs to the field of biological 3D printing rapid prototyping, and in particular relates to a stable particle feeding mechanism of a biological 3D printer based on STM8. Background technique [0002] 3D printing technology has entered our life. As the most cutting-edge research field, 3D bioprinting is the hottest topic in recent years. As a cutting-edge manufacturing technology, 3D printing has been involved in aerospace military industry, industrial mold forming, cartoon exhibition, cultural creativity and other large and small fields. With the rapid development of rapid prototyping technology, its extremely valuable application fields are still Constantly expanding. [0003] In medicine, 3D bioprinting technology has high hopes. In the most cutting-edge field of 3D printing research, people focus on the printing of tissues and organs. The technology has the potential to repair or replace damaged or diseased human tissues and orga...

Claims

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Application Information

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IPC IPC(8): B29C67/00
Inventor 史廷春林凌鹏
Owner HANGZHOU DIANZI UNIV