WO2017114345A1 - 三维打印笔的打印方法及其控制装置 - Google Patents

三维打印笔的打印方法及其控制装置 Download PDF

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Publication number
WO2017114345A1
WO2017114345A1 PCT/CN2016/112049 CN2016112049W WO2017114345A1 WO 2017114345 A1 WO2017114345 A1 WO 2017114345A1 CN 2016112049 W CN2016112049 W CN 2016112049W WO 2017114345 A1 WO2017114345 A1 WO 2017114345A1
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WIPO (PCT)
Prior art keywords
printing
pen
dimensional printing
extrusion
extrusion nozzle
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PCT/CN2016/112049
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English (en)
French (fr)
Inventor
李世强
闫伟
杨燕楠
袁道明
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珠海天威飞马打印耗材有限公司
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Publication of WO2017114345A1 publication Critical patent/WO2017114345A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y50/00—Data acquisition or data processing for additive manufacturing
    • B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes

Definitions

  • the present invention relates to the field of three-dimensional printing technology, and in particular to a printing method of a three-dimensional printing pen and a control device thereof.
  • the present invention is based on the Chinese Patent Application No. CN201511033970.2, filed on Dec. 30, 2015, the content of which is hereby incorporated by reference.
  • Three-dimensional printing technology is a technology that constructs three-dimensional objects by layer-by-layer printing using materials such as plastic or powdered metal.
  • 3D printing is usually achieved by printing on a 3D printer.
  • 3D printing pen is popular as a handheld device for printing 3D objects, which is convenient for printing 3D objects, compared with 3D printers.
  • the three-dimensional printing pen can not only give the user a graffiti three-dimensional model with individuality, but also has the advantages of simple structure, small size and convenient carrying.
  • a three-dimensional printing pen comprises a casing and a nozzle disposed in the casing, a heating chamber, a motor device, a feeding tube, a control board, a button board and a cooling fan, wherein the nozzle is disposed at a top end of the casing, and the heating chamber is disposed at the top of the casing Below the nozzle, the heater includes a hollow aluminum block, a heating sheet, and a thermal insulation layer.
  • the motor device of the three-dimensional printing pen comprises a motor, a driving wheel and a driven wheel; the feeding tube runs through the inside of the casing, and the control board is provided with a control module, a power module, a heating module, a button board interface module and a motor module, wherein the power module
  • the control module is connected; the motor board has a motor forward and reverse button and a button interface.
  • the process of printing a three-dimensional object using the three-dimensional printing pen is as follows.
  • the silk-like molding material enters the feeding tube from the feeding port of the feeding tube, and can be moved back and forth in the feeding tube under the pushing of the driving wheel and the driven wheel, and the pressing motor is positive
  • the transfer key moves the molding material to the nozzle of the three-dimensional printing pen. After the molding material passes through the heating chamber, it is melted into a molten shape, extruded from the nozzle and cooled and solidified. By moving the position of the three-dimensional printing pen in space, various shapes can be printed. Three-dimensional object.
  • press the motor reverse button the motor is reversed, and the wire-like molding material moves to the feed port of the feed pipe and exits from the feed port.
  • a printing method of a three-dimensional printing pen comprising an extrusion nozzle, a heating block and a nib shell disposed at the end of the pen body, a baffle disposed on the pen body, an extrusion box and a feeding tube, and an extrusion nozzle and a feeding tube
  • the tube is connected, and the baffle is provided with an extrusion printing button.
  • the printing method comprises the following steps: pressing the extrusion printing button, the extrusion nozzle protrudes from the end of the nib shell; the extrusion nozzle extrudes the rubber to print; Press the extrusion print button to stop printing; the extrusion nozzle retracts to the inside of the nib shell.
  • the printing method of the above three-dimensional printing pen has certain defects, and the extrusion nozzles are all exposed outside the printing pen tip shell.
  • An object of the present invention is to provide a printing method for a safe, energy-saving, and low-cost three-dimensional printing pen.
  • Another object of the present invention is to provide a print control apparatus for a three-dimensional printing pen that is safe, energy-saving, and inexpensive.
  • a three-dimensional printing pen printing method of the present invention includes an extrusion nozzle, a heating block and a nib shell disposed at the end of the pen body, and the three-dimensional printing pen further includes a baffle plate and a squeeze body disposed on the pen body.
  • Outlet box and feeding tube, the extrusion nozzle is connected with the feeding tube, and the baffle is provided with an extrusion printing button, and the printing method comprises the following steps: pressing the extrusion printing button, the extrusion nozzle protrudes from the end of the nib shell; The nozzle extrudes the compound and prints; presses the extrusion print button again to stop printing; the extrusion nozzle retracts to the inside of the nib shell; and automatically stops heating the extrusion nozzle.
  • the feeding tube is provided with a limiting member that limits the displacement of the extrusion nozzle to extend and retract the nib shell.
  • the limiting member includes a first limiting member and a second limiting member
  • the feeding tube is provided with an elastic member, and the two ends of the elastic member are respectively abutted The first limiting component and the second limiting component are connected.
  • Still another preferred embodiment of the printing method of the three-dimensional printing pen of the present invention is that the elastic member is a spring.
  • the invention provides a control device for a three-dimensional printing pen, the three-dimensional printing pen comprises an extrusion nozzle, a heating block and a nib shell disposed at the end of the pen body, and the three-dimensional printing pen further comprises a baffle, an extrusion box and a feeding tube disposed on the pen body The extrusion nozzle is connected with the feeding tube, and the extrusion printing button is arranged on the baffle.
  • the control device comprises: a motor control module, the motor control module comprises a control button and a driving motor, and the control button controls the driving motor to rotate forward or reverse, and drives When the motor rotates forward or reverse, the extrusion nozzle extends or retracts to the top of the nib shell; the delay module, the delay module generates a delay signal; the heating control module, the heating control module performs the heating block according to the signal generated by the delay unit. heating.
  • the feeding tube is provided with a limiting member that limits the displacement of the extrusion nozzle to extend and retract the nib shell.
  • the limiting member includes a first limiting member and a second limiting member
  • the feeding tube is provided with an elastic member, and the two ends of the elastic member are respectively abutted The first limiting component and the second limiting component are connected.
  • Still another preferred embodiment of the control device for the three-dimensional printing pen of the present invention is that the elastic member is a spring.
  • the delay module is a time delay relay or a single chip microcomputer.
  • the baffle of the three-dimensional printing pen is provided with an extrusion printing button, and the extrusion printing button can control the extrusion nozzle to advance and retreat at the end of the nib shell
  • the extrusion nozzle protrudes from the nib shell, and when the printing is stopped, the extrusion nozzle is returned to the inside of the nib shell.
  • the printing pen automatically stops supplying power, and the heating block stops heating the extrusion nozzle. .
  • the printing method and the control device of the three-dimensional printing pen of the structure are safe and energy-saving, can effectively avoid the high-temperature extrusion nozzle scalding the user, reduce the safety hazard, the structure of the printing pen is simple, the cost is low, and the safety is not affected by any consumer. Restrictions can effectively enhance the user experience.
  • FIG. 1 is a structural view of a three-dimensional printing pen of the present invention after a hidden casing.
  • FIG. 2 is a structural view of the three-dimensional printing pen of the present invention after hiding the nib shell and the casing.
  • FIG. 3 is a block diagram showing the structure of an embodiment of a control device for a three-dimensional printing pen according to the present invention.
  • the three-dimensional printing pen 100 provided in this embodiment
  • the invention includes an extrusion nozzle 101 disposed at the end of the pen body, a heating block 107 and a nib shell 102, and further includes a baffle 103 disposed on the pen body, an extrusion tank 108 and a feeding tube 110, and the extrusion nozzle 101 is connected to the feeding tube 110.
  • the baffle 103 is provided with an extrusion print button 105.
  • the extrusion printing button 105 can control the extrusion nozzle 101 to advance and retreat at the end of the nib shell 102, and the extrusion nozzle 101 protrudes from the end of the nib shell 102 at the time of printing, and the extrusion nozzle 101 retreats back to the inside of the nib shell 102 when printing is stopped.
  • the extrusion printing button 105 on the printing pen is pressed, and a driving motor (not shown) is activated, and the rubber is moved to the extrusion nozzle 101 through the feeding pipe 110, and the extrusion nozzle 101 is in the rubber compound.
  • a downward force projects from the end of the nib shell 102. After the rubber is melted by the heating block 107, it is extruded from the extrusion nozzle 101. Users can draw three-dimensional objects directly with a three-dimensional printing pen, and can also easily repair damaged plastic parts.
  • the drive motor stops the forward extrusion operation, starts the reverse rotation, and the rubber in the feed tube 110 retreats a certain distance.
  • the extrusion nozzle 101 is retracted to the inside of the nib shell 102 of the printing pen under the repulsive force of the elastic member 106.
  • the printing of the extrusion button 102 is continued.
  • the printing method of the three-dimensional printing pen provided by the present invention uses the three-dimensional printing pen in the above embodiment for printing.
  • the three-dimensional printing pen 100 includes an extrusion nozzle 101, a heating block 107, and a nib shell 102 disposed at the end of the pen body, and a baffle 103, an extrusion box 108, and a feeding tube 110 disposed on the pen body, and an extrusion nozzle 101 and a feeding tube
  • the 110 phase is connected, and the baffle 103 is provided with an extrusion print button 105.
  • the printing method of the three-dimensional printing pen includes the following steps: First, pressing the extrusion printing button 105, the extrusion nozzle 101 protrudes from the end of the nib shell 102; then, the extrusion nozzle 101 extrudes the rubber to perform printing; then, presses again The printing button 105 is extruded to stop printing; then, the extrusion nozzle 101 is retracted to the inside of the nib shell 102; finally, the heating of the extrusion nozzle 101 is automatically stopped.
  • the step of automatically stopping the heating of the extrusion nozzle 101 may be implemented by stopping the power supply to the heating block 107 by the software control chip. When the printing is stopped for a long time, more than 3 to 5 minutes, the three-dimensional printing pen 100 automatically stops supplying power and extrudes.
  • the heating block 107 on the nozzle 101 stops heating the extrusion nozzle 101.
  • the step of automatically stopping the heating of the extrusion nozzle 101 may also be implemented by a relay, for example, setting a time delay relay.
  • a relay for example, setting a time delay relay.
  • the motor control module outputs a signal to the delay relay.
  • the contact of the relay is closed and energized, when the chronograph time elapses, the contact of the time delay relay is turned off, and a control signal is output to the heating block 107, and the heating block 107 stops heating the extrusion nozzle 101.
  • the feeding tube 110 is provided with a limiting member, and the limiting member limits the displacement of the extrusion nozzle 101 to extend and retract the nib shell 102.
  • the limiting member comprises a first limiting member 111, a second limiting member 112 and a third limiting member. 113.
  • the feeding tube 110 is provided with an elastic member 106. When the extrusion nozzle 101 protrudes from the nib shell 102, the two ends of the elastic member 106 abut against the first limiting member 111 and the second limiting member 112, respectively, and the extrusion nozzle 101 is returned.
  • the resilient member 106 is a spring.
  • the control device of the three-dimensional printing pen provided by the invention is applied to a three-dimensional printing pen, which comprises an extrusion nozzle, a heating block and a nib shell disposed at the end of the pen body, and the three-dimensional printing pen further comprises a baffle plate disposed on the pen body
  • the extrusion box and the feeding tube are connected to the feeding tube, and the extrusion printing button is arranged on the baffle.
  • the control device of the embodiment includes a motor control module 11, a delay module 12, and a heating control module 13.
  • the motor control module 11 includes a control button and a drive motor, and the control button controls the drive motor to rotate forward or reverse.
  • the extrusion nozzle extends or retracts the nib shell when the motor is rotating forward or backward.
  • the delay module 12 can be a time delay relay or a single chip microcomputer, and is used for generating a delay signal by the delay module.
  • the heating control module 13 is a single chip microcomputer or the like, and outputs a signal to the heating block according to a signal generated by the delay module 12 and controls the heating block to perform heating.
  • the feeding tube is provided with a limiting component, and the limiting component limits the displacement of the extrusion nozzle to extend and retract the nib shell, and the limiting component comprises a first limiting component, a second limiting component and a third limiting component.
  • the feeding tube is provided with an elastic member.
  • the elastic member is a spring.
  • the baffle of the three-dimensional printing pen is provided with an extrusion printing button, and the extrusion printing button can control the extrusion nozzle to advance and retreat at the end of the nib shell
  • the extrusion nozzle protrudes from the nib shell, and when the printing is stopped, the extrusion nozzle is returned to the inside of the nib shell.
  • the printing pen automatically stops supplying power, and the heating block stops heating the extrusion nozzle. .
  • the printing method and the control device of the three-dimensional printing pen of the structure are safe and energy-saving, can effectively avoid the high-temperature extrusion nozzle scalding the user, reduce the safety hazard, the structure of the printing pen is simple, the cost is low, and the safety is not affected by any consumer. Restrictions can effectively enhance the user experience.
  • the printing method and the control device of the three-dimensional printing pen provided by the invention are applied to the three-dimensional printing pen and realize the printing of the three-dimensional printing pen, so that the printing of the three-dimensional printing pen is safe and energy-saving, and the high-temperature extrusion nozzle can be effectively prevented from scalding the user, thereby reducing
  • the safety hazard, the structure of the printing pen is simple, the cost is low and safe, and is not restricted by any consumer groups, which can effectively enhance the user experience.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Ink Jet (AREA)

Abstract

一种三维打印笔（100）的打印方法及其控制装置，三维打印笔（100）包括设置在笔身末端的挤出喷嘴（101）、加热块（107）和笔尖壳（102），三维打印笔（100）还包括设置在笔身上的挡板（103）、挤出箱（108）和送料管（110），挤出喷嘴（101）与送料管（110）相连接，挡板（103）上设置有挤出打印按钮（105），打印方法包括以下步骤：按压挤出打印按钮（105），挤出喷嘴（101）从笔尖壳（102）的末端伸出；挤出喷嘴（101）挤出胶料，进行打印；再次按压挤出打印按钮（105），停止打印；挤出喷嘴（101）退回到笔尖壳（102）的内部；自动停止对挤出喷嘴（101）加热。

Description

三维打印笔的打印方法及其控制装置 技术领域
本发明涉及三维打印技术领域，特别涉及一种三维打印笔的打印方法及其控制装置。本发明是基于申请号为CN201511033970.2，申请日为2015年12月30日的中国发明专利申请，该申请的内容引入本文作为参考。
 背景技术
三维打印技术是一种利用塑料或粉末状金属等材料，通过逐层打印的方式构造三维物体的技术。
三维打印通常是靠三维打印机进行打印来实现，随着三维打印技术的发展，三维打印笔作为一种打印三维物体的手持设备，其能够方便打印出三维物体而备受欢迎，与三维打印机相比，三维打印笔不仅可以供使用者涂鸦出具有个性的三维模型，而且具有结构简单、体积小及携带方便等优点。
现有的一种三维打印笔包括机壳及设于机壳内的喷头、加热腔、电机装置、送料管、控制板、按键板及散热风扇，喷头设于机壳的顶端，加热腔设于喷头的下方，加热器包括中空铝块、加热片、保温隔热层。该三维打印笔的电机装置包括电机、主动轮及从动轮；送料管贯穿于机壳内部，控制板上设有控制模块、电源模块、加热模块、按键板接口模块及电机模块，其中，电源模块连接控制模块；按键板上设有电机正反转按键及按键接口。
使用该三维打印笔打印三维物体的过程如下，丝料状的成型材料从送料管的进料口进入送料管，在主动轮与从动轮的推动下，可在送料管内来回移动，按下电机正转键，成型材料向三维打印笔喷嘴处移动，成型材料经过加热腔后被融化为熔融状，从喷嘴挤出并冷却凝固，通过移动三维打印笔在空间的位置，就可以打印出各种形状的三维物体。需要更换成型材料时，按下电机反转按键，电机反转，丝料状成型材料向送料管的进料口处移动，从进料口中退出。
现有一种三维打印笔的打印方法，三维打印笔包括设置在笔身末端的挤出喷嘴、加热块和笔尖壳，设置在笔身上的挡板、挤出箱和送料管，挤出喷嘴与送料管相连接，挡板上设置有挤出打印按钮，该打印方法包括以下步骤：按压挤出打印按钮，挤出喷嘴从笔尖壳的末端伸出；挤出喷嘴挤出胶料，进行打印；再次按压挤出打印按钮，停止打印；挤出喷嘴退回到笔尖壳的内部。
上述三维打印笔的打印方法存有一定的缺陷，其挤出喷嘴全部裸露在打印笔尖壳的外面，随着使用时间越长，喷嘴的热量就越高，使用不方便的同时，也容易引发安全事故，比如灼伤使用者的肌肤和衣物，造成人员和财产的损失等。
 技术问题
本发明的一个目的在于提供一种安全节能、成本低廉的三维打印笔的打印方法。
本发明的另一目的在于提供一种安全节能、成本低廉的三维打印笔的打印控制装置。
 技术解决方案
为了实现上述的目的，本发明的三维打印笔的打印方法，三维打印笔包括设置在笔身末端的挤出喷嘴、加热块和笔尖壳，三维打印笔还包括设置在笔身上的挡板、挤出箱和送料管，挤出喷嘴与送料管相连接，挡板上设置有挤出打印按钮，打印方法包括以下步骤：按压挤出打印按钮，挤出喷嘴从笔尖壳的末端伸出；挤出喷嘴挤出胶料，进行打印；再次按压挤出打印按钮，停止打印；挤出喷嘴退回到笔尖壳的内部;自动停止对挤出喷嘴加热。
作为本发明的三维打印笔的打印方法的一个优选的技术方案为，送料管上设有限位部件，限位部件限制挤出喷嘴伸出和退回笔尖壳的位移。
作为本发明的三维打印笔的打印方法的另一个优选的技术方案为，限位部件包括第一限位部件和第二限位部件，送料管上套装有弹性部件，弹性部件的两端分别抵接第一限位部件和第二限位部件。
作为本发明的三维打印笔的打印方法的又一个优选的技术方案为，弹性部件为弹簧。
本发明提供的三维打印笔的控制装置，三维打印笔包括设置在笔身末端的挤出喷嘴、加热块和笔尖壳，三维打印笔还包括设置在笔身上的挡板、挤出箱和送料管，挤出喷嘴与送料管相连接，挡板上设置有挤出打印按钮，控制装置包括：电机控制模块，电机控制模块包括控制按钮和驱动电机，控制按钮控制驱动电机正转或反转，驱动电机正转或反转时挤出喷嘴伸出或缩回笔尖壳的顶端；延时模块，延时模块产生延时信号；加热控制模块，加热控制模块根据延时单元产生的信号对加热块进行加热。
作为本发明的三维打印笔的控制装置的一个优选的技术方案为，送料管上设有限位部件，限位部件限制挤出喷嘴伸出和退回笔尖壳的位移。
作为本发明的三维打印笔的控制装置的另一个优选的技术方案为，限位部件包括第一限位部件和第二限位部件，送料管上套装有弹性部件，弹性部件的两端分别抵接第一限位部件和第二限位部件。
作为本发明的三维打印笔的控制装置的又一个优选的技术方案为，弹性部件为弹簧。
作为本发明的三维打印笔的控制装置的又一个优选的技术方案为，延时模块为延时继电器或者单片机。
 有益效果
本发明提供的三维打印笔的打印方法及其控制装置与现有技术相比，三维打印笔的挡板上设置有挤出打印按钮，挤出打印按钮可控制挤出喷嘴在笔尖壳的末端进退，打印时挤出喷嘴从笔尖壳伸出，停止打印时挤出喷嘴退回到笔尖壳的内部，当停止打印时间超过3分钟至5分钟，打印笔自动停止供电，加热块停止对挤出喷嘴加热。这种结构的三维打印笔的打印方法及其控制装置，安全节能，可以有效避免高温的挤出喷嘴烫伤使用者，减少安全隐患，打印笔的结构简单，成本低廉、安全，不受任何消费人群限制，可以有效提升用户的体验。
 附图说明
图1是本发明三维打印笔隐藏壳体后的结构图。
图2是本发明三维打印笔隐藏笔尖壳及壳体后的结构图。
图3是本发明三维打印笔的控制装置实施例的结构框图。
 本发明的实施方式
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅用以解释本发明，并不用于限定本发明。
如图1、图2所示，本实施例提供的三维打印笔100 包括设置在笔身末端的挤出喷嘴101、加热块107和笔尖壳102，还包括设置在笔身上的挡板103、挤出箱108和送料管110，挤出喷嘴101与送料管110相连接，挡板103上设置有挤出打印按钮105。挤出打印按钮105可控制挤出喷嘴101在笔尖壳102的末端进退，打印时挤出喷嘴101从笔尖壳102的末端伸出，停止打印时挤出喷嘴101退回到笔尖壳102的内部。
三维打印笔100通电后，按压打印笔上的挤出打印按钮105，驱动电机（未示出）随之启动，胶料通过进料管110向挤出喷嘴101移动，挤出喷嘴101在胶料向下的作用力下从笔尖壳102的末端伸出。胶料经过加热块107熔融后，从挤出喷嘴101挤出。使用者可以用三维打印笔直接画出立体物件，还可以简易修补破损的塑胶部件。
再次按压打印挤出按钮105时，驱动电机停止正向挤出动作，开始反向转动，进料管110内的胶料回退一定的距离。挤出喷嘴101在弹性部件106的反弹作用力下，回退到打印笔的笔尖壳102的内部。当需要继续打印时，则继续按压打印挤出按钮102。
本发明提供的三维打印笔的打印方法，其使用了上述实施例中的三维打印笔进行打印。三维打印笔100包括设置在笔身末端的挤出喷嘴101、加热块107和笔尖壳102，以及设置在笔身上的挡板103、挤出箱108和送料管110，挤出喷嘴101与送料管110相连接，挡板103上设置有挤出打印按钮105。
三维打印笔的打印方法包括以下步骤：首先，按压挤出打印按钮105，挤出喷嘴101从笔尖壳102的末端伸出；接着，挤出喷嘴101挤出胶料，进行打印；然后，再次按压挤出打印按钮105，停止打印；接着，挤出喷嘴101退回到笔尖壳102的内部；最后，自动停止对挤出喷嘴101加热。自动停止对挤出喷嘴101加热的步骤可以是通过软件控制芯片停止向加热块107供电实现的，当停止打印的时间过长，超过3至5分钟，三维打印笔100会自动停止供电，挤出喷嘴101上加热块107停止对挤出喷嘴101加热。
此外，自动停止对挤出喷嘴101加热的步骤也可以是通过继电器实现，例如设置延时继电器，当挤出喷嘴101退回到笔尖壳102的内部后，电机控制模块向延时继电器输出信号，延时继电器的触点闭合并通电，当计时时间经过后，延时继电器的触点断开，并且向加热块107输出控制信号，加热块107停止对挤出喷嘴101加热。
送料管110上设有限位部件，限位部件限制挤出喷嘴101伸出和退回笔尖壳102的位移，限位部件包括第一限位部件111、第二限位部件112和第三限位部件113。送料管110上套装有弹性部件106，挤出喷嘴101从笔尖壳102伸出时，弹性部件106的两端分别抵接第一限位部件111和第二限位部件112，挤出喷嘴101退回笔尖壳102内时，弹性部件106的两端仍分别抵接第一限位部件111和第二限位部件112，第二限位部件112发生位移并与第三限位部件113抵接。优选地，弹性部件106为弹簧。
本发明提供的三维打印笔的控制装置应用在三维打印笔上，该三维打印笔包括设置在笔身末端的挤出喷嘴、加热块和笔尖壳，三维打印笔还包括设置在笔身上的挡板、挤出箱和送料管，挤出喷嘴与送料管相连接，挡板上设置有挤出打印按钮。
参见图3，本实施例的控制装置包括有电机控制模块11、延时模块12以及加热控制模块13，电机控制模块11包括控制按钮和驱动电机，控制按钮控制驱动电机正转或反转，驱动电机正转或反转时挤出喷嘴伸出或缩回笔尖壳。延时模块12可以是延时继电器，也可以是单片机等，用于延时模块产生延时信号。加热控制模块13为单片机等，根据延时模块12产生的信号向加热块输出信号并且控制加热块进行加热。
送料管上设有限位部件，限位部件限制挤出喷嘴伸出和退回笔尖壳的位移，限位部件包括第一限位部件、第二限位部件和第三限位部件。送料管上套装有弹性部件，挤出喷嘴从笔尖壳伸出时，弹性部件的两端分别抵接第一限位部件和第二限位部件，挤出喷嘴退回笔尖壳内时，弹性部件的两端仍分别抵接第一限位部件和第二限位部件，第二限位部件发生位移并与第三限位部件抵接。优选地，弹性部件为弹簧。
本发明提供的三维打印笔的打印方法及其控制装置与现有技术相比，三维打印笔的挡板上设置有挤出打印按钮，挤出打印按钮可控制挤出喷嘴在笔尖壳的末端进退，打印时挤出喷嘴从笔尖壳伸出，停止打印时挤出喷嘴退回到笔尖壳的内部，当停止打印时间超过3分钟至5分钟，打印笔自动停止供电，加热块停止对挤出喷嘴加热。这种结构的三维打印笔的打印方法及其控制装置，安全节能，可以有效避免高温的挤出喷嘴烫伤使用者，减少安全隐患，打印笔的结构简单，成本低廉、安全，不受任何消费人群限制，可以有效提升用户的体验。
本发明并不仅限于上述实施例，根据上述实施例的提示而做出的显而易见的变动以及其他不脱离本发明的构思的改动也应该包括在本发明专利权利要求的保护范围内。
 工业实用性
本发明提供的三维打印笔的打印方法及控制装置，应用于三维打印笔上并实现三维打印笔的打印，使得三维打印笔的打印安全节能，可以有效避免高温的挤出喷嘴烫伤使用者，减少安全隐患，打印笔的结构简单，成本低廉、安全，不受任何消费人群限制，可以有效提升用户的体验。

Claims (9)

  1. 三维打印笔的打印方法，应用于三维打印笔，所述三维打印笔包括设置在笔身末端的挤出喷嘴、加热块和笔尖壳，所述三维打印笔还包括设置在笔身上的挡板、挤出箱和送料管，所述挤出喷嘴与所述送料管相连接，所述挡板上设置有挤出打印按钮，所述打印方法包括以下步骤：
    按压所述挤出打印按钮，所述挤出喷嘴从所述笔尖壳的末端伸出；
    所述挤出喷嘴挤出胶料，进行打印；
    再次按压所述挤出打印按钮，停止打印；
    所述挤出喷嘴退回到所述笔尖壳的内部;
    自动停止对所述挤出喷嘴加热。
  2. 根据权利要求1所述的三维打印笔的打印方法，其特征在于：
    所述送料管上设有限位部件，所述限位部件限制所述挤出喷嘴伸出和退回所述笔尖壳的位移。
  3. 根据权利要求2所述的三维打印笔的打印方法，其特征在于：
    所述限位部件包括第一限位部件和第二限位部件，所述送料管上套装有弹性部件，所述弹性部件的两端分别抵接所述第一限位部件和所述第二限位部件。
  4. 根据权利要求3所述的三维打印笔的打印方法，其特征在于：
    所述弹性部件为弹簧。
  5. 三维打印笔的控制装置，应用于三维打印笔，所述三维打印笔包括设置在笔身末端的挤出喷嘴、加热块和笔尖壳，所述三维打印笔还包括设置在笔身上的挡板、挤出箱和送料管，所述挤出喷嘴与所述送料管相连接，所述挡板上设置有挤出打印按钮，所述控制装置包括：
    电机控制模块，所述电机控制模块包括控制按钮和驱动电机，所述控制按钮控制所述驱动电机正转或反转，所述驱动电机正转或反转时所述挤出喷嘴伸出或缩回所述笔尖壳的顶端；
    延时模块，所述延时模块产生延时信号；
    加热控制模块，所述加热控制模块根据所述延时单元产生的信号对所述加热块进行加热。
  6. 根据权利要求5所述的三维打印笔的控制装置，其特征在于：所述送料管上设有限位部件，所述限位部件限制所述挤出喷嘴伸出和退回所述笔尖壳的位移。
  7. 根据权利要求6所述的三维打印笔的控制装置，其特征在于：
    所述限位部件包括第一限位部件和第二限位部件，所述送料管上套装有弹性部件，所述弹性部件的两端分别抵接所述第一限位部件和所述第二限位部件。
  8. 根据权利要求7所述的三维打印笔的控制装置，其特征在于：
    所述弹性部件为弹簧。
  9. 根据权利要求5至8任一项所述的三维打印笔的控制装置，其特征在于：
    所述延时模块为延时继电器或者单片机。
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