CN108058383A - 3d printer - Google Patents
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- CN108058383A CN108058383A CN201810107861.8A CN201810107861A CN108058383A CN 108058383 A CN108058383 A CN 108058383A CN 201810107861 A CN201810107861 A CN 201810107861A CN 108058383 A CN108058383 A CN 108058383A
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- 230000007246 mechanism Effects 0.000 claims abstract description 69
- 238000007639 printing Methods 0.000 claims abstract description 19
- 230000001360 synchronised effect Effects 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000002844 melting Methods 0.000 claims description 10
- 230000008018 melting Effects 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 238000005485 electric heating Methods 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 238000010146 3D printing Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000012255 powdered metal Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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- 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
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Abstract
本发明的3D打印机，包括长方体形的机壳，机壳内部安装有三轴联动机构，三轴联动机构上安装有打印头；三轴联动机构即相互连接的左右方向的X轴移动机构、上下方向的Y轴移动机构、前后方向的Z轴移动机构；机壳内部或外部安装有耗材架，耗材架上放置有料丝卷；机壳内部设有用于放置所打印的工件的托板，托板连接Y轴移动机构，根据工件打印高度由Y轴移动机构调节托板的高度。本发明结构简单，使用方便，占用空间小，打印头能够在前后、左右的任意方位移动，托板能够上下移动，初打印时托板在最高点，随着打印物体的逐渐增高托板逐渐下移，能够打印多种形状尺寸的物体，打印头移动速度快、打印效率高，产品精度高。
The 3D printer of the present invention comprises a cuboid casing, a three-axis linkage mechanism is installed inside the casing, and a printing head is installed on the three-axis linkage mechanism; Y-axis moving mechanism, Z-axis moving mechanism in the front and rear direction; consumable rack is installed inside or outside the casing, and the filament roll is placed on the consumable rack; the inside of the casing is provided with a pallet for placing the printed workpiece, and the pallet is connected The Y-axis moving mechanism adjusts the height of the pallet according to the printing height of the workpiece. The invention is simple in structure, easy to use, and takes up little space. The printing head can move in any direction of front, back, left and right, and the supporting plate can move up and down. The supporting plate is at the highest point during the initial printing, and the supporting plate is gradually lowered as the printed object gradually increases. Move, can print objects of various shapes and sizes, the printing head moves fast, the printing efficiency is high, and the product precision is high.
Description
技术领域technical field
本发明涉及一种3D打印机。The invention relates to a 3D printer.
背景技术Background technique
3D打印机又称三维打印机，是一种累积制造技术，即快速成形技术的一种机器，它是一种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，现阶段广泛应用于制造产品。3D printer, also known as three-dimensional printer, is a cumulative manufacturing technology, that is, a machine of rapid prototyping technology. It is based on digital model files and uses special wax, powdered metal or plastic and other bondable materials. By printing layers of adhesive materials to create three-dimensional objects, it is widely used in the manufacture of products at this stage.
随着3D打印技术的日渐成熟，3D打印产业也成为了国家的重点扶持产业，在3D打印技术中，3D打印机、耗材及3D模型数据是3D打印技术产业链上的三个重要组成部分。目前3D打印机的应用中，3D打印机的操作比较复杂，需要专业的操作3D打印机的知识，对于普通大众而言操作难度高，另一方面，对于普通的消费者而言，没有有效途径来获得优秀的3D设计模型，从而严重制约了3D打印技术的应用、普及和发展。With the maturity of 3D printing technology, the 3D printing industry has also become a key industry supported by the country. In 3D printing technology, 3D printers, consumables and 3D model data are three important components of the 3D printing technology industry chain. In the current application of 3D printers, the operation of 3D printers is relatively complicated and requires professional knowledge of operating 3D printers. For the general public, the operation is difficult. On the other hand, for ordinary consumers, there is no effective way to obtain excellent 3D design models, which seriously restrict the application, popularization and development of 3D printing technology.
发明内容Contents of the invention
本发明为了弥补现有技术的不足，提供了一种结构简单、使用方便的3D打印机。In order to make up for the deficiencies of the prior art, the present invention provides a 3D printer with simple structure and convenient use.
本发明是通过如下技术方案实现的：The present invention is achieved through the following technical solutions:
本发明的3D打印机，包括长方体形的机壳，其特征在于：机壳内部安装有三轴联动机构，三轴联动机构上安装有打印头；三轴联动机构即相互连接的左右方向的X轴移动机构、上下方向的Y轴移动机构、前后方向的Z轴移动机构；机壳内部或外部安装有耗材架，耗材架上放置有料丝卷；机壳内部设有用于放置所打印的工件的托板，托板连接Y轴移动机构，根据工件打印高度由Y轴移动机构调节托板的高度。The 3D printer of the present invention comprises a cuboid casing, which is characterized in that: a three-axis linkage mechanism is installed inside the casing, and a printing head is installed on the three-axis linkage mechanism; Mechanism, Y-axis moving mechanism in the up and down direction, and Z-axis moving mechanism in the front and rear directions; consumables racks are installed inside or outside the casing, and filament rolls are placed on the consumables racks; inside the casing, there is a pallet for placing printed workpieces , the supporting plate is connected with the Y-axis moving mechanism, and the height of the supporting plate is adjusted by the Y-axis moving mechanism according to the printing height of the workpiece.
耗材架包括固定在机壳上的两个支撑座，支撑座上有U形槽，有一根支撑杆放置在两个支撑座的U形槽内，一个或多个料丝卷通过中间孔串在支撑杆上。The consumables rack includes two support seats fixed on the casing. There are U-shaped grooves on the support seats. on the support rod.
当耗材架位于机壳外部时，机壳顶部设有供料丝深入机壳内部的孔。When the consumable rack is located outside the casing, the top of the casing is provided with a hole through which the feed wire goes deep into the inside of the casing.
Z轴移动机构安装在机壳内侧，它包括安装在机壳内左右两侧的两套同步带机构，该同步带机构包括同步带和安装在同步带前后两端的齿轮，其中左右两侧的同步带机构的主动齿轮通过一根转轴同步连接在一起，该转轴连接Z轴电机 ，Z轴电机安装在机壳内侧。The Z-axis moving mechanism is installed inside the casing, which includes two sets of timing belt mechanisms installed on the left and right sides of the casing. The timing belt mechanism includes a timing belt and gears installed at the front and rear ends of the timing belt. The driving gear with the mechanism is synchronously connected together through a rotating shaft, and the rotating shaft is connected with a Z-axis motor, and the Z-axis motor is installed inside the casing.
Z轴移动机构还包括安装在机壳内左右两侧的Z轴支撑导轨，Z轴支撑导轨靠近同步带。The Z-axis moving mechanism also includes Z-axis supporting guide rails installed on the left and right sides of the casing, and the Z-axis supporting guide rails are close to the timing belt.
X轴移动机构安装在Z轴移动机构上，X轴移动机构采用同步带机构，该同步带机构包括同步带和安装在同步带左右两端的齿轮，以及支撑所述齿轮的X轴支架，其中主动齿轮连接X轴电机 ，X轴电机安装在X轴支架上，X轴支架两端连接Z轴移动机构的同步带，并且X轴支架沿Z轴支撑导轨运行；X轴支架上设有X轴导轨；X轴移动机构的同步带连接所述的打印头，打印头沿X轴导轨运行。The X-axis moving mechanism is installed on the Z-axis moving mechanism, and the X-axis moving mechanism adopts a synchronous belt mechanism. The gear is connected to the X-axis motor, and the X-axis motor is installed on the X-axis bracket. Both ends of the X-axis bracket are connected to the timing belt of the Z-axis moving mechanism, and the X-axis bracket runs along the Z-axis support guide rail; the X-axis bracket is equipped with an X-axis guide rail ; The timing belt of the X-axis moving mechanism is connected to the print head, and the print head runs along the X-axis guide rail.
Y轴移动机构安装在机壳内侧；Y轴移动机构采用丝杠螺母副，丝杠可转动的安装在机壳内，丝杠连接Y轴电机，螺母套在丝杠上，螺母与托板固定，机壳内还固定有与丝杠平行的Y轴导轨，托板上的导轨孔套在Y轴导轨上。The Y-axis moving mechanism is installed inside the casing; the Y-axis moving mechanism uses a screw nut pair, the screw is rotatably installed in the casing, the screw is connected to the Y-axis motor, the nut is set on the screw, and the nut is fixed to the supporting plate , A Y-axis guide rail parallel to the lead screw is also fixed in the casing, and the guide rail hole on the supporting plate is sleeved on the Y-axis guide rail.
打印头内从上到下依次设有送丝装置、可熔化打印耗材的电加热熔化装置、可输出熔融耗材的喷头；送丝装置包括一对相互啮合的夹丝齿轮，夹丝齿轮的轮面上设有横纹，2个夹丝齿轮由电机经传动装置来驱动（传动装置包括一对相互啮合的传动齿轮，其中一个传动齿轮连接电机，2个传动齿轮的输出端连接2个夹丝齿轮）；料丝送至2个夹丝齿轮之间并由二者夹着料丝进行送料，料丝经电加热熔化装置熔化后进入喷头实现输出。The print head is equipped with a wire feeding device, an electric heating and melting device capable of melting printing consumables, and a nozzle capable of outputting molten consumables from top to bottom; There are horizontal lines on the top, and the two wire gears are driven by the motor through the transmission device (the transmission device includes a pair of intermeshing transmission gears, one of which is connected to the motor, and the output ends of the two transmission gears are connected to two wire gears ); the material wire is sent between the two clamping gears and is fed between the two wire clamping gears. The material wire is melted by the electric heating and melting device and then enters the nozzle to realize output.
机壳的底座内安装有控制装置，控制装置所连接的控制面板安装在机壳外侧；机壳包括金属框架和安装在金属框架上的可视挡板，可视挡板采用透明玻璃或透明塑料制成。A control device is installed in the base of the casing, and the control panel connected to the control device is installed outside the casing; the casing includes a metal frame and a visible baffle installed on the metal frame, and the visible baffle is made of transparent glass or transparent plastic production.
机壳顶部为铰接的盖板，盖板与机壳的框架之间连接有气压支撑杆。The top of the casing is a hinged cover plate, and an air pressure support rod is connected between the cover plate and the frame of the casing.
控制装置内插入载有待打印物体模型数据的存储卡，控制装置读取存储卡内的模型数据后控制三轴联动机构和喷头实现3D打印。A memory card carrying the model data of the object to be printed is inserted into the control device, and after reading the model data in the memory card, the control device controls the three-axis linkage mechanism and the nozzle to realize 3D printing.
本发明的有益效果是，结构简单，使用方便，占用空间小，打印头能够在前后、左右的任意方位移动，托板能够上下移动，初打印时托板在最高点，随着打印物体的逐渐增高托板逐渐下移，能够打印多种形状尺寸的物体，打印头移动速度快、打印效率高，产品精度高、合格率高，节省原材料，安全性高，便于推广使用。The beneficial effects of the present invention are that the structure is simple, the use is convenient, and the space occupied is small; the printing head can move in any direction of front, rear, left and right; the supporting plate can move up and down; The heightened pallet moves down gradually, which can print objects of various shapes and sizes. The printing head moves quickly, the printing efficiency is high, the product precision is high, the pass rate is high, raw materials are saved, the safety is high, and it is easy to promote and use.
附图说明Description of drawings
图1为本发明的左视图示意图。图2为本发明的俯视图示意图。图3为送丝装置示意图。Fig. 1 is a schematic left view of the present invention. Fig. 2 is a schematic top view of the present invention. Figure 3 is a schematic diagram of the wire feeding device.
图中：1机壳，2打印头，3 Z轴支撑导轨，4料丝卷，5托板，6支撑座，7 U形槽，8支撑杆，9气压支撑杆，10孔，11同步带，12齿轮，13转轴，14 Z轴电机，15同步带，16齿轮，17丝杠，18 X轴电机，19 X轴导轨，20 Y轴电机， 21 Y轴导轨，22螺母，23送丝装置，24电加热熔化装置，25喷头，26控制装置，27控制面板，28盖板，29料丝。30夹丝齿轮，31电机，32传动齿轮,33行走轮。In the figure: 1 casing, 2 print head, 3 Z-axis support guide rail, 4 wire roll, 5 pallet, 6 support seat, 7 U-shaped groove, 8 support rod, 9 air pressure support rod, 10 holes, 11 timing belt , 12 gears, 13 rotating shafts, 14 Z-axis motors, 15 timing belts, 16 gears, 17 lead screws, 18 X-axis motors, 19 X-axis guide rails, 20 Y-axis motors, 21 Y-axis guide rails, 22 nuts, 23 wire feeding devices , 24 electric heating melting device, 25 nozzle, 26 control device, 27 control panel, 28 cover plate, 29 wire. 30 clip wire gears, 31 motors, 32 transmission gears, 33 traveling wheels.
具体实施方式Detailed ways
附图为本发明的一种具体实施例。Accompanying drawing is a kind of specific embodiment of the present invention.
本发明的3D打印机，包括长方体形的机壳1，机壳内部安装有三轴联动机构，三轴联动机构上安装有打印头2；三轴联动机构即相互连接的左右方向的X轴移动机构、上下方向的Y轴移动机构、前后方向的Z轴移动机构；机壳内部或外部安装有耗材架，耗材架上放置有料丝卷4；机壳内部设有用于放置所打印的工件的托板5，托板连接Y轴移动机构，根据工件打印高度由Y轴移动机构调节托板的高度。The 3D printer of the present invention includes a cuboid casing 1, a three-axis linkage mechanism is installed inside the casing, and a print head 2 is installed on the three-axis linkage mechanism; the three-axis linkage mechanism is an X-axis moving mechanism connected to each other in the left and right directions The Y-axis moving mechanism in the up and down direction, and the Z-axis moving mechanism in the front and rear directions; the consumables rack is installed inside or outside the casing, and the filament roll 4 is placed on the consumables rack; the inside of the casing is provided with a pallet 5 for placing the printed workpiece , the supporting plate is connected with the Y-axis moving mechanism, and the height of the supporting plate is adjusted by the Y-axis moving mechanism according to the printing height of the workpiece.
耗材架包括固定在机壳上的两个支撑座6，支撑座上有U形槽7，有一根支撑杆8放置在两个支撑座的U形槽内，一个或多个料丝卷4通过中间孔串在支撑杆上。The consumables rack includes two support bases 6 fixed on the casing. There are U-shaped grooves 7 on the support bases. A support rod 8 is placed in the U-shaped grooves of the two support bases. One or more wire coils 4 pass through The middle hole is strung on the support rod.
当耗材架位于机壳外部时，机壳顶部设有供料丝29深入机壳内部的孔10。When the consumables rack is located outside the casing, the top of the casing is provided with a hole 10 through which a feeding wire 29 goes deep into the casing.
Z轴移动机构安装在机壳内侧，它包括安装在机壳内左右两侧的两套同步带机构，该同步带机构包括同步带11和安装在同步带前后两端的齿轮12，其中左右两侧的同步带机构的主动齿轮通过一根转轴13同步连接在一起，该转轴连接Z轴电机14 ，Z轴电机安装在机壳内侧。The Z-axis moving mechanism is installed on the inside of the casing, and it includes two sets of timing belt mechanisms installed on the left and right sides of the casing. The driving gears of the synchronous belt mechanism are synchronously connected together through a rotating shaft 13, which is connected to a Z-axis motor 14, and the Z-axis motor is installed inside the casing.
Z轴移动机构还包括安装在机壳内左右两侧的Z轴支撑导轨3，Z轴支撑导轨靠近同步带。The Z-axis moving mechanism also includes Z-axis support guide rails 3 installed on the left and right sides of the casing, and the Z-axis support guide rails are close to the timing belt.
X轴移动机构安装在Z轴移动机构上，X轴移动机构采用同步带机构，该同步带机构包括同步带15和安装在同步带左右两端的齿轮16，以及支撑所述齿轮的X轴支架，其中主动齿轮连接X轴电机18 ，X轴电机安装在X轴支架上，X轴支架两端连接Z轴移动机构的同步带，并且X轴支架沿Z轴支撑导轨运行；X轴支架上设有X轴导轨19；X轴移动机构的同步带连接所述的打印头2，打印头沿X轴导轨运行。The X-axis moving mechanism is installed on the Z-axis moving mechanism, and the X-axis moving mechanism adopts a synchronous belt mechanism. The synchronous belt mechanism includes a synchronous belt 15 and a gear 16 installed at the left and right ends of the synchronous belt, and an X-axis bracket supporting the gear. Wherein the driving gear is connected to the X-axis motor 18, and the X-axis motor is installed on the X-axis support, and the two ends of the X-axis support are connected to the synchronous belt of the Z-axis moving mechanism, and the X-axis support runs along the Z-axis support guide rail; X-axis guide rail 19; the timing belt of the X-axis moving mechanism is connected to the print head 2, and the print head runs along the X-axis guide rail.
Y轴移动机构安装在机壳内侧；Y轴移动机构采用丝杠螺母副，丝杠17可转动的安装在机壳内，丝杠连接Y轴电机20，螺母22套在丝杠上，螺母与托板固定，机壳内还固定有与丝杠平行的Y轴导轨21，托板上的导轨孔套在Y轴导轨上。The Y-axis moving mechanism is installed inside the casing; the Y-axis moving mechanism adopts a lead screw nut pair, and the leading screw 17 is rotatably installed in the casing. The leading screw is connected to the Y-axis motor 20, and the nut 22 is sleeved on the leading screw. The supporting plate is fixed, and the Y-axis guide rail 21 parallel to the leading screw is also fixed in the casing, and the guide rail hole on the supporting plate is sleeved on the Y-axis guide rail.
打印头内从上到下依次设有送丝装置23、可熔化打印耗材的电加热熔化装置24、可输出熔融耗材的喷头25；送丝装置包括一对相互啮合的夹丝齿轮30，夹丝齿轮的轮面上设有横纹，2个夹丝齿轮由电机31经传动装置来驱动（传动装置包括一对相互啮合的传动齿轮32，其中一个传动齿轮连接电机，2个传动齿轮的输出端连接2个夹丝齿轮30）；料丝送至2个夹丝齿轮之间并由二者夹着料丝进行送料，料丝经电加热熔化装置熔化后进入喷头实现输出。The print head is provided with a wire feeding device 23, an electric heating melting device 24 capable of melting printing consumables, and a nozzle 25 capable of outputting molten consumables from top to bottom; There are horizontal stripes on the wheel surface of the gear, and the two wire gears are driven by the motor 31 through the transmission device (the transmission device includes a pair of transmission gears 32 meshing with each other, one of which is connected to the motor, and the output ends of the two transmission gears Connect two wire clamping gears 30); the material wire is sent between the two wire clamping gears and is fed between the two wire clamping gears. The material wire is melted by the electric heating and melting device and then enters the nozzle to realize output.
机壳的底座内安装有控制装置26，控制装置所连接的控制面板27安装在机壳外侧；机壳包括金属框架和安装在金属框架上的可视挡板，可视挡板采用透明玻璃或透明塑料制成。A control device 26 is installed in the base of the casing, and a control panel 27 connected to the control device is installed outside the casing; the casing includes a metal frame and a visible baffle mounted on the metal frame, and the visible baffle is made of transparent glass or Made of clear plastic.
机壳顶部为铰接的盖板28，盖板与机壳的框架之间连接有气压支撑杆9；机壳底部设有行走轮33。The top of the casing is a hinged cover plate 28, and an air pressure support rod 9 is connected between the cover plate and the frame of the casing; the bottom of the casing is provided with traveling wheels 33.
控制装置内插入载有待打印物体模型数据的存储卡，控制装置读取存储卡内的模型数据后控制三轴联动机构和喷头实现3D打印。A memory card carrying the model data of the object to be printed is inserted into the control device, and after reading the model data in the memory card, the control device controls the three-axis linkage mechanism and the nozzle to realize 3D printing.
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