WO2017143639A1 - 一种3d打印机 - Google Patents

一种3d打印机 Download PDF

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Publication number
WO2017143639A1
WO2017143639A1 PCT/CN2016/077727 CN2016077727W WO2017143639A1 WO 2017143639 A1 WO2017143639 A1 WO 2017143639A1 CN 2016077727 W CN2016077727 W CN 2016077727W WO 2017143639 A1 WO2017143639 A1 WO 2017143639A1
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Prior art keywords
moving device
axis moving
base
disposed
linear guide
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PCT/CN2016/077727
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English (en)
French (fr)
Inventor
陈晟
郑碧红
王友鑫
郑志伟
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厦门螺壳电子科技有限公司
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Publication of WO2017143639A1 publication Critical patent/WO2017143639A1/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

Definitions

  • the present invention relates to the field of 3D printing technologies, and in particular, to a 3D printer.
  • 3D printers also known as 3D printers, are based on digital model files and use a special wax, powdered metal or plastic bonding material to create a three-dimensional object by printing a layer of bonding material.
  • the 3D printer moves its print head and print platform according to the trajectory set by the computer.
  • the screw head is usually used to drive the print head and the printing platform to move.
  • the main drawback is that the transmission mechanism is prone to sag due to the long movement stroke of the print head and the printing platform. In the case of bending, deformation, etc., the linear motion accuracy of the print head and the printing platform is low, thereby reducing the print quality; the movement process lacks corresponding safety protection measures, and when the motor or the transmission mechanism is abnormal, an overshoot condition may occur, bringing the device Damage also affects print quality.
  • the present invention adopts the following technical solutions:
  • a 3D printer includes a base, the base is provided with an X-axis moving device, a Y-axis moving device, and a Z-axis moving device, the X-axis moving device is connected to the Y-axis moving device, and can be moved by the Y-axis
  • the device is driven to move in the Y-axis direction
  • the X-axis moving device is provided with a printing platform
  • the Z-axis moving device is provided with a printing head
  • the X-axis moving device, the Y-axis moving device and the Z-axis moving device are both
  • the utility model comprises a fixing seat, a screw rod, a transmission nut matched with the screw rod and a guiding shaft arranged in parallel with the screw rod, wherein the fixing seat is provided with a travel switch, both ends of the screw rod and the solid
  • the movable joint is fixedly connected, and both ends of the guide shaft are fixedly connected with the fixed seat, and the transmission nut is movably
  • the X-axis moving device, the Y-axis moving device and the Z-axis moving device each further comprise a linear guide and a slider matched with the linear guide.
  • the X-axis moving device further includes a moving base, the moving base is connected to a transmission nut and a slider of the Y-axis moving device, and a fixing seat and a linear guide of the X-axis moving device are disposed in the Move on the base.
  • the fixing seat and the linear guide of the Y-axis moving device are disposed on the base.
  • the Z-axis moving device further includes a support frame, the support frame is vertically disposed on the base, and the fixing base and the linear guide of the Z-axis moving device are disposed on the support frame.
  • the support frame comprises a vertically arranged support plate and two track bases, the two track bases are arranged in parallel and respectively located on two sides of the support plate, and the fixing seat of the Z-axis moving device is disposed on the On the support plate, a linear guide of the Z-axis moving device is disposed on the track base.
  • both sides of the transmission nut of the Z-axis moving device are in sliding engagement with the track base.
  • the present invention has the following advantages compared with the background art:
  • the invention can ensure the linear motion precision of the print head and the printing platform by setting the guide shaft.
  • the device By setting the travel switch, the device can be moved within the safe stroke range, thereby avoiding equipment damage caused by overshoot condition, thereby ensuring printing. quality.
  • Figure 1 is a schematic perspective view of the present invention
  • Figure 2 is a schematic plan view of the present invention.
  • the present invention discloses a 3D printer including a base 1 and an X-axis moving device, a Y-axis moving device, and a Z-axis moving device disposed thereon, and the X-axis moving device is connected to the Y-axis moving device.
  • the device is movable by the Y-axis moving device in the Y-axis direction, wherein:
  • the X-axis moving device includes a fixing base 21, a screw rod 22, a transmission nut (not shown) that cooperates with the screw rod 22, and a guide shaft 23 disposed in parallel with the screw rod 22,
  • the linear guide 24, the slider 25 that cooperates with the linear guide 24, and the moving base 26 The two ends of the lead screw 22 are movably connected to the fixing base 21, and the two ends of the guiding shaft 23 are fixedly connected with the fixing base 21.
  • the transmission nut is movably sleeved on the guiding shaft 23, and the fixing base 21 and the linear guide 24 are disposed on the moving base. 26 on.
  • the X-axis moving device is provided with a printing platform 5, and the printing platform 5 is connected to the transmission nut and the slider 25 of the X-axis moving device.
  • the Y-axis moving device includes a fixed seat 31, a lead screw 32, a transmission nut 33 that cooperates with the lead screw 32, a guide shaft 34 disposed in parallel with the lead screw 32, a linear guide 35, and a slider 36 that cooperates with the linear guide 35.
  • the two ends of the lead screw 32 are movably connected to the fixing base 31.
  • the two ends of the guiding shaft 34 are fixedly connected with the fixing base 31.
  • the transmission nut 33 is movably sleeved on the guiding shaft 34, and the fixing base 31 and the linear guide 35 are disposed on the base 1.
  • Upper, the transmission nut 33 and the slider 36 are coupled to the moving base 26.
  • the Z-axis moving device includes a fixing base 41, a screw rod 42, a transmission nut 43 matched with the screw rod 42, a guide shaft 44 disposed in parallel with the screw rod 42, a linear guide rail 45, and a slider 46 matched with the linear guide rail 45. And a support frame 47.
  • the two ends of the lead screw 42 are movably connected to the fixing base 41.
  • the two ends of the guiding shaft 44 are fixedly connected to the fixing base 41, and the transmission nut 43 is movably sleeved on the guiding shaft 44.
  • the support frame 47 is vertically disposed on the base 1, and includes a vertically disposed support plate 471 and two track bases 472.
  • the two track bases 472 are disposed in parallel and respectively located at two sides of the support plate 471, and the fixed seat 41
  • the linear guide 45 is disposed on the support base 471 and is disposed on the rail base 472. Both sides of the transmission nut 43 are in sliding engagement with the rail base 472.
  • the Z-axis moving device is provided with a print head (not shown) connected to the drive nut 43 and the slider 46 of the Z-axis moving device via a mounting member.
  • the fixed seat 21 of the X-axis moving device is provided with a travel switch 27, and the Y-axis moving device is fixed.
  • the seat 31 is provided with a travel switch 37, and a fixed switch 41 of the Z-axis moving device is provided with a travel switch 48.

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

Abstract

一种3D打印机，包括机座（1），机座（1）上设有X轴移动装置、Y轴移动装置、Z轴移动装置，X轴移动装置连接Y轴移动装置，并可由Y轴移动装置带动其沿Y轴方向运动，X轴移动装置上设有打印平台（5），Z轴移动装置上设有打印头，X轴移动装置、Y轴移动装置及Z轴移动装置均包括固定座（21、31、41）、丝杆（22、32、42）、与丝杆（22、32、42）相配合的传动螺母（33、43）以及与丝杆（22、32、42）平行设置的导向轴（23、34、44），固定座（21、31、41）上设有行程开关（27、37、48），丝杆（22、32、42）的两端与固定座（21、31、41）活动连接，导向轴（23、34、44）的两端与固定座（21、31、41）固定连接，传动螺母（33、43）活动套设于导向轴（23、34、44）上。该3D打印机能够确保打印头和打印平台（5）的直线运动精度，同时保证设备在安全行程范围内运动，进而保证打印质量。

Description

一种3D打印机 技术领域
本发明涉及3D打印技术领域，特别涉及一种3D打印机。
背景技术
3D打印机又称三维打印机，其以数字模型文件为基础，运用特殊蜡材、粉末状金属或塑料等可粘合材料，通过打印一层层的粘合材料来制造三维的物体。
3D打印机在打印过程中，其打印头和打印平台按照电脑设定的轨迹运动。对现有的3D打印机而言，通常采用丝杆驱动的方式来驱动打印头、打印平台移动，其存在的主要缺陷是：由于打印头和打印平台的运动行程较长，传动机构容易出现下垂、弯曲、变形等情况，打印头和打印平台的直线运动精度低，进而降低了打印质量；运动过程缺少相应的安全保护措施，当电机或传动机构异常时，可能出现过冲状况，给设备带来损伤，同时也会影响打印质量。
发明内容
本发明的目的在于提供一种3D打印机，其能够确保打印头和打印平台的直线运动精度，同时保证了设备在安全行程范围内运动，进而保证了打印质量。
为实现上述目的，本发明采用以下技术方案：
一种3D打印机，包括机座，所述机座上设有X轴移动装置、Y轴移动装置、Z轴移动装置，所述X轴移动装置连接所述Y轴移动装置，并可由Y轴移动装置带动其沿Y轴方向运动，所述X轴移动装置上设有打印平台，所述Z轴移动装置上设有打印头，所述X轴移动装置、Y轴移动装置及Z轴移动装置均包括固定座、丝杆、与所述丝杆相配合的传动螺母以及与所述丝杆平行设置的导向轴，所述固定座上设有行程开关，所述丝杆的两端与所述固 定座活动连接，所述导向轴的两端与所述固定座固定连接，所述传动螺母活动套设于导向轴上。
优选地，所述X轴移动装置、Y轴移动装置及Z轴移动装置均还包括直线导轨以及与所述直线导轨相配合的滑块。
优选地，所述X轴移动装置还包括移动基座，所述移动基座连接所述Y轴移动装置的传动螺母和滑块，所述X轴移动装置的固定座和直线导轨设置在所述移动基座上。
优选地，所述Y轴移动装置的固定座和直线导轨设置在所述机座上。
优选地，所述Z轴移动装置还包括支撑架，所述支撑架竖向设置在所述机座上，所述Z轴移动装置的固定座和直线导轨设置在所述支撑架上。
优选地，所述支撑架包括竖直设置的支撑板以及两个轨道基座，两个轨道基座平行设置且分别位于支撑板的两侧，所述Z轴移动装置的固定座设于所述支撑板上，所述Z轴移动装置的直线导轨设于所述轨道基座上。
优选地，所述Z轴移动装置的传动螺母两侧与所述轨道基座凹凸滑动配合。
采用上述技术方案后，本发明与背景技术相比，具有如下优点：
本发明通过设置导向轴，能够确保打印头和打印平台的直线运动精度，通过设置行程开关，能够保证设备在安全行程范围内运动，避免了因过冲状况带来的设备损伤，进而保证了打印质量。
附图说明
图1为本发明的立体结构示意图；
图2为本发明的平面结构示意图。
具体实施方式
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仅用以解释本发明，并不用于限定本发明。
实施例
请参阅图1和图2，本发明公开了一种3D打印机，包括机座1以及设置于其上的X轴移动装置、Y轴移动装置、Z轴移动装置，X轴移动装置连接Y轴移动装置，并可由Y轴移动装置带动其沿Y轴方向运动，其中：
配合图1和图2所示，X轴移动装置包括固定座21、丝杆22、与丝杆22相配合的传动螺母(图中未示出)、与丝杆22平行设置的导向轴23、直线导轨24、与直线导轨24相配合的滑块25以及移动基座26。丝杆22的两端与固定座21活动连接，导向轴23的两端与固定座21固定连接，上述传动螺母活动套设于导向轴23上，固定座21和直线导轨24设置在移动基座26上。X轴移动装置上设有打印平台5，打印平台5连接X轴移动装置的传动螺母和滑块25。
Y轴移动装置包括固定座31、丝杆32、与丝杆32相配合的传动螺母33、与丝杆32平行设置的导向轴34、直线导轨35以及与直线导轨35相配合的滑块36。丝杆32的两端与固定座31活动连接，导向轴34的两端与固定座31固定连接，传动螺母33活动套设于导向轴34上，固定座31和直线导轨35设置在机座1上，传动螺母33和滑块36连接移动基座26。
Z轴移动装置均包括固定座41、丝杆42、与丝杆42相配合的传动螺母43、与丝杆42平行设置的导向轴44、直线导轨45、与直线导轨45相配合的滑块46以及支撑架47。丝杆42的两端与固定座41活动连接，导向轴44的两端与固定座41固定连接，传动螺母43活动套设于导向轴44上。支撑架47竖向设置在机座1上，其包括竖直设置的支撑板471以及两个轨道基座472，两个轨道基座472平行设置且分别位于支撑板471的两侧，固定座41设于支撑板471上，直线导轨45设于轨道基座472上。传动螺母43两侧与轨道基座472凹凸滑动配合。Z轴移动装置上设有打印头(图中未示出)，打印头通过一安装件连接Z轴移动装置的传动螺母43和滑块46。
为了保证X轴移动装置、Y轴移动装置、Z轴移动装置在安全行程范围内运动，X轴移动装置的固定座21上设有行程开关27，Y轴移动装置的固定 座31上设有行程开关37，Z轴移动装置的固定座41上设有行程开关48。
以上所述，仅为本发明较佳的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到的变化或替换，都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应该以权利要求的保护范围为准。

Claims (7)

  1. 一种3D打印机，包括机座，其特征在于：所述机座上设有X轴移动装置、Y轴移动装置、Z轴移动装置，所述X轴移动装置连接所述Y轴移动装置，并可由Y轴移动装置带动其沿Y轴方向运动，所述X轴移动装置上设有打印平台，所述Z轴移动装置上设有打印头，所述X轴移动装置、Y轴移动装置及Z轴移动装置均包括固定座、丝杆、与所述丝杆相配合的传动螺母以及与所述丝杆平行设置的导向轴，所述固定座上设有行程开关，所述丝杆的两端与所述固定座活动连接，所述导向轴的两端与所述固定座固定连接，所述传动螺母活动套设于导向轴上。
  2. 如权利要求1所述的一种3D打印机，其特征在于：所述X轴移动装置、Y轴移动装置及Z轴移动装置均还包括直线导轨以及与所述直线导轨相配合的滑块。
  3. 如权利要求2所述的一种3D打印机，其特征在于：所述X轴移动装置还包括移动基座，所述移动基座连接所述Y轴移动装置的传动螺母和滑块，所述X轴移动装置的固定座和直线导轨设置在所述移动基座上。
  4. 如权利要求2所述的一种3D打印机，其特征在于：所述Y轴移动装置的固定座和直线导轨设置在所述机座上。
  5. 如权利要求2所述的一种3D打印机，其特征在于：所述Z轴移动装置还包括支撑架，所述支撑架竖向设置在所述机座上，所述Z轴移动装置的固定座和直线导轨设置在所述支撑架上。
  6. 如权利要求5所述的一种3D打印机的传动机构，其特征在于：所述支撑架包括竖直设置的支撑板以及两个轨道基座，两个轨道基座平行设置且分别位于支撑板的两侧，所述Z轴移动装置的固定座设于所述支撑板上，所述Z轴移动装置的直线导轨设于所述轨道基座上。
  7. 如权利要求6所述的一种3D打印机，其特征在于：所述Z轴移动装置的传动螺母两侧与所述轨道基座凹凸滑动配合。
PCT/CN2016/077727 2016-02-26 2016-03-29 一种3d打印机 WO2017143639A1 (zh)

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CN108206155A (zh) * 2018-03-07 2018-06-26 广东工业大学 一种层架式解耦的xy高速运动平台
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CN111567659A (zh) * 2020-05-19 2020-08-25 张兴丽 一种3d食品打印机
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CN113524680A (zh) * 2021-08-10 2021-10-22 深圳市智能派科技有限公司 一种四丝杆限位调平的机械装置和3d打印机
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WO2022110553A1 (zh) * 2020-11-30 2022-06-02 深圳市创想三维科技有限公司 一种3d打印机立柱组件及3d打印机

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