具体实施方式 detailed description

[0044] 下面将结合附图对本发明的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。 [0044] below with reference to the aspect of the present invention will be clearly and completely described, obviously, the described embodiments are part of the embodiments of the present invention, but not all embodiments. 基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。 Based on the embodiments of the present invention, all other embodiments of the ordinary skill in the creative work did not make the premise obtained, are within the scope of the present invention is protected.

[0045] 在本发明的描述中，需要说明的是，术语“中心”、“上”、“下”、“左”、“右”、“竖直”、“水平”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。 [0045] In the description of the present invention, it should be noted that the term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", " orientation or position relationship outside "and indicated based on the orientation or the positional relationship shown in the drawings, the description of the invention is only to facilitate and simplify the present description, instead of indicating elements or devices or implied within the meaning must have a specific orientation to particular orientation of construction and operation, and therefore can not be construed as limiting the present invention. 此外，术语“第一”、“第二”、“第三”仅用于描述目的，而不能理解为指示或暗示相对重要性。 Furthermore, the terms "first", "second", "third" for descriptive purposes only, not to be construed to indicate or imply relative importance.

[0046] 在本发明的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。 [0046] In the description of the present invention, it should be noted that, unless otherwise clearly defined and limited, the term "mounted," "connected," "connection" to be broadly understood, for example, may be a fixed connection to be is a detachable connection, or integrally connected; can be mechanically connected, or may be electrically connected; it can be directly connected, or may be connected indirectly through intermediaries, two elements may be in communication with the interior. 对于本领域的普通技术人员而言，可以具体情况理解上述术语在本发明中的具体含义。 Those of ordinary skill in the art, the term can be understood that the above circumstances in the specific meaning of the present invention.

[0047] 实施例一 [0047] Example a

[0048] 参见图1至图11所示，本发明实施例一提供了一种多打印头3D打印机，包括机体框架101、移动打印平台136和多个打印头107 ;机体框架上设置有X轴移动机构、Y轴移动机构和Z轴移动机构；多个打印头设置在X轴移动机构上；Ζ轴移动机构，用于带动X轴移动机构做上下运动；移动打印平台设置在Y轴移动机构上。 [0048] Referring to FIG. 1 to FIG. 11, one embodiment of the invention there is provided a multi-head 3D printer, including the body frame 101, 136 mobile printing platforms and a plurality of printheads 107; provided with a body frame on the X axis moving mechanism, Y-axis moving mechanism and the Z-axis moving mechanism; a plurality of printheads disposed on the X-axis moving mechanism; Ζ axis moving mechanism for moving the X-axis drive mechanism up and down movement; mobile printing platform provided in the Y-axis moving mechanism on. 具体的说，X轴移动机与Z轴移动机构相对应；Χ轴移动机构的数量为一个，Z轴移动机构的数量为一个，Y轴移动机构的数量为一个。 Specifically, X-axis moving machine and the Z-axis moving mechanism corresponds; Number Χ axis moving mechanism for a number of Z-axis moving mechanism for a number of Y-axis moving mechanism for a. 本实施例一提供的多打印头3D打印机，通过将多个独立的打印头可拆卸的安装在X轴移动机构上，这样可以根据使用需要来增加或减少打印机上打印头的数量，实现了打印头数量的按需要配置；多个打印头可以同时工作，每个打印头可以单独使用一种材料而不受其它打印头的影响，从而实现了单台3D打印机可以同时打印出多个材料相同、形状相同和大小相同的物品，或互为镜像的物品，也可以同时打印出多个材料不同、形状相同和大小相同的物品，或多个材料不同且互为镜像的物品，进而大大提高了打印速度，减少打印所耗费的时间，降低了成本，提高了工作效率，实用性强。 3D multi-head printer according to an embodiment of the present offer, by a plurality of independent print head removably mounted on the X axis moving mechanism, which can increase or decrease the number of the print head on the printer according to the use needs to achieve a print you need to configure the number of head of press; a plurality of print heads can work simultaneously, each print head can be used alone without being affected by a material other printhead, enabling a single 3D printers can also print out a plurality of the same material, different shapes of the same size and the same items, or mirror images of items, you can also print out a plurality of different materials, the same shape and the same size of the article, or more material items and mirror each other, thereby greatly improving the print speed, reducing the time it takes to print, reduce costs, improve efficiency, and practical.

[0049] 本实施例一中，X轴移动机构包括第一X轴滑块座102、第二X轴滑块座103、X轴光杆106和第一驱动装置；第一X轴滑块座和第二X轴滑块座分别设置在X轴光杆的两端；打印头滑动设置在X轴光杆上；第一驱动装置用于驱动打印头沿X轴光杆的轴向做往复运动。 The first X axis slider and seat; [0049] a medium, X-axis moving mechanism includes a first X-axis slide base 102, the second X-axis slide base 103, X-axis rod 106 and the first driving device of this embodiment the second X axis slider holders are provided at both ends of the X-axis of the rod; the print head slidably disposed in the X-axis of the light rod; a first driving means for driving the print head along the X axis of the axial rod reciprocates. 具体的说，X轴光杆的数量为两个，两个X轴光杆平行设置，这样可以增加打印头在运动过程中的稳定性；x轴光杆与第一X轴滑块座可拆卸连接，X轴光杆与第二X轴滑块座可拆卸连接，这样可以方便更换以及增减打印头。 Specifically, the number of X-axis rod is two, two X-axis rod arranged in parallel, which can increase the stability of the print head in the course of the campaign; x-axis rod and the first X-axis slide seat detachable connection, X axis of the light pole and a second X axis slider seat detachable connection, so you can easily replace and increase or decrease the print head.

[0050] 本实施例一中，第一驱动装置包括第一步进电机104、第一同步轮和第一连动件105，第一步进电机固定在第一X轴滑块座上，第一同步轮固定在第二X轴滑块座上，第一同步轮通过第一连动件与第一步进电机的转轴连动，打印头与第一连动件固定连接；需要说明的是，多个打印头之间的间距可以通过调整打印头在第一连接动件上的位置来进行调 [0050] one embodiment of the present embodiment, the first drive means comprises a first stepping motor 104, a first wheel and a first synchronizing linkage member 105, the first stepping motor is fixed to the first X axis slider holder, the first a timing pulley fixed to the second X axis slider base, a first interlocking member and the first stepping motor shaft gearing, the print head of the first interlocking member is fixedly connected by a first timing pulley; note that the spacing between the multiple printheads print head position can be adjusted on the first connector of the movable member to be adjusted

-K- -K-

TO TO

[0051] 本实施例一中，第一连动件为同步带或链条。 [0051] in the present embodiment, a first interlocking member is a timing belt or chain. 具体的说，本实施例一中，第一连动件为同步带。 Specifically, one embodiment of the present embodiment, the first interlocking member for the belt. 需要说明的是，本实施例一中，第一驱动装置还可以采用其它技术方案，用以驱动打印头沿X轴光杆的轴向做往复运动，例如:第一驱动装置包括X轴步进电机和X轴丝杆，X轴步进电机的转轴与X轴丝杆的一端固定连接，X轴步进电机固定在第一X轴滑块座上，X轴丝杆的另一端设置在第二X轴滑块座上，打印头通过丝杆螺母与X轴丝杆螺纹连接。 It notes that, in one embodiment of the present embodiment, the first drive means may also employ other technical solutions, for driving the print head along the X axis of the axial reciprocating rod, for example: a first X-axis drive means comprises a stepper motor and X-axis lead screw, one end of the X-axis stepper motor shaft and the screw is fixedly connected with the X-axis, the X-axis stepper motor fixing seat in the first X-axis slider, the other end of the X-axis is disposed in a second screw X-axis slide seat, the print head is connected via screw nut and the X-axis screw threads.

[0052] 本实施例一中，Z轴移动机构包括第一Z轴固定座108和第二Z轴固定座109，第一Z轴固定座上设置有第二驱动装置，第二驱动装置包括第二步进电机110和第一丝杆111，第二步进电机的转轴与第一丝杆固定连接；第二Z轴固定座上设置有第三驱动装置，第三驱动装置包括第三步进电机112和第二丝杆113，第三步进电机的转轴与第二丝杆固定连接；第一X轴滑块座通过丝杆螺母与第一丝杆螺纹连接，也就是说，第一X轴滑块座上固定有丝杆螺母，丝杆螺母与第一丝杆螺纹连接；第二X轴滑块座通过丝杆螺母与第二丝杆螺纹连接，也就是说，第二X轴滑块座上固定有丝杆螺母，丝杆螺母与第二丝杆螺纹连接。 [0052] The present embodiment example 1, the Z-axis Z-axis moving mechanism includes a first holder 108 and second holder 109 Z-axis, the second drive means is provided with a Z-axis on the first holder, the second drive means comprises a first two stepper motors 110 and the first screw 111, the second stepping motor shaft is fixedly connected to the first screw; Z axis is provided on the second holder with a third drive means, the third drive means comprises a third step the second screw shaft and fixedly connected to the motor 112 and the second screw 113, the third stepper motor; a first X axis slider seat through the first screw nut and screw threaded connection, say, the first X axis slide seat fixed screw nut, screw nut and screw the first threaded connection; the second X-axis slide through the seat and the second screw nut screw threaded connection, that is, the second X-axis slide block fixed seat screw nut, screw nut and a second screw threaded connection. 具体的说，第二驱动装置还包括第一Z轴光杆114，第一Z轴光杆穿设在第一X轴滑块座上；第三驱动装置还包括第二Z轴光杆115，第二Z轴光杆穿设在第二X轴滑块座上。 Specifically, the second drive means further comprises a first rod 114 Z-axis, the Z-axis of the first rod disposed through the first X-axis slide base; the third drive means further comprises a second optical axis Z lever 115, a second Z axis rod penetrates the second X axis slider seat.

[0053] 本实施例一中，Y轴移动机构包括第一Y轴固定座116、第二Y轴固定座117、Y轴光杆118和第四驱动装置；第一Y轴固定座和第二Y轴固定座分别设置在Y轴光杆的两端，且第一Y轴固定座和第二Y轴固定座分别固定在机体框架上；移动打印平台滑动设置在Y轴光杆上；第四驱动装置用于驱动移动打印平台沿Y轴光杆的轴向做往复运动。 [0053] The present embodiment example 1, Y-axis Y-axis moving mechanism includes a first holder 116, second Y axis holder 117, Y-axis rod 118 and a fourth driving means; a first holder and a second Y-axis Y axle mounts are provided at both ends of the Y-axis of the rod, and the first holder and the second Y-axis Y-axis mounts are fixed to the body frame; mobile printing platform slidably disposed in the Y-axis of the light pole; fourth drive device to drive mobile printing platforms to reciprocate in the axial direction of the Y-axis light pole. 具体的说，Y轴光杆的数量为两个，两个Y轴光杆平行设置，这样可以增加移动打印平台在运动过程中的稳定性。 Specifically, the number of Y-axis rod is two, two Y-axis rod arranged in parallel, which can increase mobile printing platform stability during exercise.

[0054] 本实施例一中，第四驱动装置包括第四步进电机119、第二同步轮和第二连动件120，第四步进电机固定在第一Y轴固定座上，第三同步轮固定在第二Y轴固定座上，第二同步轮通过第二连动件与第四步进电机的转轴连动；移动打印平台与第二连动件固定连接。 [0054] The present embodiment a, the fourth drive means comprises a fourth stepper motor 119, the second synchronizing gear and the second interlocking member 120, fourth stepper motor fixed to the first Y-axis mounts, third synchronous wheel fixed to the second Y axis mounts, the second timing pulley shaft through the second interlocking member and a fourth stepper motor linked; mobile printing platforms and a second interlocking member fixedly connected.

[0055] 本实施例一中，第二连动件为同步带或链条。 [0055] in the present embodiment, a second interlocking member is a timing belt or chain. 具体的说，第二连动件为同步带。 Specifically, the second interlocking member for the belt. 需要说明的是，本实施例一中，第二驱动装置还可以采用其它技术方案，用以驱动移动打印平台沿Y轴光杆的轴向做往复运动，例如:第二驱动装置包括Y轴步进电机和Y轴丝杆，Y轴步进电机的转轴与Y轴丝杆的一端固定连接，Y轴步进电机固定在第一Y轴固定座上，Y轴丝杆的另一端设置在第二Y轴固定座上，移动打印平台通过丝杆螺母与Y轴丝杆螺纹连接。 Note that, in one embodiment of the present embodiment, the second drive means may also employ other aspect, the printing platform for driving the axial movement along the Y axis of the reciprocating rod, for example: a second Y-axis driving means comprises a stepper motor and Y-axis screw, one end of the Y-axis stepper motor axis and Y-axis screw fixed connection, Y-axis stepper motor fixed to the first Y-axis mounts, screw the other end of the Y-axis is provided in the second the Y-axis mounts, mobile printing platform connected via screw nut and screw thread Y axis.

[0056] 本实施例一中，多打印头3D打印机还包括电源121和控制器122，电源为整个3D打印机的工作提供电源，控制器用于控制3D打印机的打印头的工作，以及第一步进电机至第四步进电机的工作。 [0056] The present embodiment, one, multi-head 3D printer also includes a power supply 121 and a controller 122, working throughout the 3D printer to provide power supply to the controller for controlling the 3D printer work the print head, and the first step into motor to fourth stepper motor work.

[0057] 本实施例一中，打印头包括打印头基座123，打印头基座的上表面设置有送料装置，送料装置包括出料步进电机124和挤出轮压块125 ;挤出轮压块与出料步进电机的外壳固定连接，挤出轮压块上设置有滚动轴承126，出料步进电机的转轴安装有挤出套筒127，挤出套筒的外表面设置有花键，挤出套筒的轴线与滚动轴承的轴线平行，挤出套筒与滚动轴承间隙设置，用于使打印耗材134能够穿过挤出套筒与滚动轴承之间的间隙，并通过挤出套筒与滚动轴承的相互转动，使打印耗材向下运动；打印头基座的下表面设置有固定卡128，用于与第一连动件固定连接；打印头基座的下表面还设置有滑动轴承129，用于套设在X轴光杆上；打印头基座的下表面还设置有散热装置、材料加热装置、温度感应装置和出料口；材料加热装置设置在出料口130，用于对出料口加热使输送至出料口的打印耗材熔化；温度感应装置设置在出料口，用于采集出料口的温度，并将温度数据发送给控制器；散热装置包括风扇导流罩131、涡轮风扇132和散热片133 ;涡轮风扇的数量为一个，减化了打印头整体的结构；风扇导流罩用于使涡轮风扇的进风口面对散热片，涡轮风扇的出风口面对移动打印平台，这样涡轮风扇可以将散热片上的热量吸走从而为送料通道的上部降温，使打印耗材不会过早熔化堵塞送料通道，其中送料通道即为输送打印耗材的通道；另外，还可以利用涡轮风扇吹出的风使刚从出料口挤出的熔化的打印耗材加速冷却并硬化，保持打印耗材挤出后的尺寸精度。 [0057] present a printhead base 123 includes a print head, the print head on the surface of the base is provided with a feeding device, feeding device includes a stepper motor 124 and a discharge extrusion wheel clamps 125 embodiment; extrusion wheel compact housing fixedly connected with the discharge of the stepping motor, provided with a compact extrusion wheel rolling bearing 126, the discharge shaft of the stepping motor 127 is mounted out of the sleeve, the outer surface of the extruded sleeve is provided with splines axis parallel to the axis of the rolling bearing sleeve extrusion, extrusion sleeve and the bearing clearance is set for make printing supplies 134 can be extruded through a gap between the sleeve and the rolling bearing and the rolling bearing sleeve by extrusion the mutual rotation, so that downward movement of printing supplies; lower surface of the print head has a fixed base card 128, fixedly connected to a first interlocking member; the lower surface of the head base 129 is also provided with a sliding bearing, with in sleeved X axis of the light pole; the lower surface of the base of the print head is also provided with a cooling device, material heating means, temperature sensing means and outlet; material heating means is provided at the discharge port 130, for the discharge port heating delivered to the spout melt printing supplies; temperature sensing means is provided at the discharge port, the discharge port for the collection of temperature, and the temperature data is sent to the controller; cooling means comprises a fan shroud 131, a turbo fan 132 and the fins 133; the number is a turbo fan, simplify the overall structure of the print head; a fan shroud for the turbine fan inlet face of the heat sink, the turbo fan outlet face of mobile printing platforms, such turbofan can heat the heat sink sucked so that an upper feeding channel cooling, so printing supplies will not prematurely melt clog feed channel, wherein the feed channel is conveyed printing supplies channels; in addition, can also use the turbo fan blowing the wind makes just spout melt extrusion printing supplies accelerated cooling and hardening, keeping the printing supplies dimensional accuracy after extrusion.

[0058] 本实施例一中，机体框架上设置有耗材安装架134，这样便于将打印耗材的安装。 [0058] The present embodiment example 1, 134 is provided with a mounting bracket supplies, printing supplies so easy to install on the body frame.

[0059] 需要说明的是，本实施例一中，还可以将移动打印平台设置在Z轴移动机构上，通过Z轴移动机构带动移动打印平台上下运动；多个打印头设置在X轴移动机构上；x移动机构设置在Y轴移动机构上，通过Y轴移动机构带动X移动机构沿Y轴移动机构的Y轴光杆的轴向做往复运动。 [0059] It should be noted that the example 1 of the present embodiment can also be provided on the mobile printing platform Z-axis moving mechanism, mobile printing platforms to drive up and down movement of the Z-axis moving mechanism; a plurality of print heads arranged in an X-axis moving mechanism on; x moving mechanism is provided on the Y-axis moving mechanism, the moving mechanism by driving X Y-axis moving mechanism along the Y-axis Y-axis moving mechanism of the optical axis of the rod reciprocates.

[0060] 综上所述，本实施例一提供的多打印头3D打印机，可以在X轴移动机构上安装一个或多个打印头，打印头之间的间距可以由打印头上的固定卡进行调节。 [0060] In summary, multi-head 3D printer according to an embodiment of the present offer, you can install one or more of the print head in the X-axis moving mechanism, the spacing between the print head can be fixed by the print head card adjust. 另外，可以以一个打印头为一组，也可以多个打印头为一组，每组负责打印一个物品；多组可以同时打印多个同样物品。 In addition, with a print head as a group, can also be a plurality of printheads as a group, each responsible for printing an article; a plurality of sets can simultaneously print multiple identical items.

[0061] 实施例二 [0061] Second Embodiment

[0062] 本实施例二中的多打印头3D打印机是在实施例一基础上的改进，实施例一中公开的技术内容不重复描述，实施例一公开的内容也属于本实施例二公开的内容。 The more than two printheads 3D Printer [0062] This embodiment is a modification in a basic embodiment on, the technique disclosed in the contents embodiment a description is not repeated, the implementation of a disclosure case also belongs to the present embodiment two disclosed content.

[0063] 参见图12所示，本实施例二提供的多打印头3D打印机，X轴移动机构的数量为多个，Z轴移动机构的数量为多个，Y轴移动机构的数量为一个。 [0063] Referring to Figure 12, a 3D multi-head printer according to a second present embodiment, the number of X-axis moving mechanism for the plurality of the number of Z-axis moving mechanism is a plurality, the number of the Y-axis as a moving mechanism. 具体的说，本实施例二中，X轴移动机构的数量为两个，Z轴移动机构的数量为两个，也就是说，在实施例一的基础上，再增加一个X轴移动机构和一个Z轴移动机构。 Specifically, example 2 of the present embodiment, the number of X-axis moving mechanism is two, the number of Z-axis moving mechanism is two, that is, on the basis of one embodiment, the increase of an X-axis moving mechanism and a Z-axis moving mechanism. X轴移动机构和与之相对应的Z轴移动机构为一个打印组，也就是说，本实施例二中，打印组的数量有两个，分别为第一打印组和第二打印组；当两个X轴移动机构上的打印头的数量相同时，通过第一打印组和第二打印组可以打印出两个互为镜像的物品，具体的操作为:第一打印组中的X轴移动机构带动打印头由左向右往复运动，第二打印组中的X轴移动机构带动打印头由右向左往复运动，也就是说，第一打印组中的X轴移动机构上的打印头的运动方向与第二打印组中的X轴移动机构上的打印头的运动方向相反。 X-axis moving mechanism and the Z-axis moving mechanism corresponding thereto as a print group, that is to say, the present Embodiment 2, the number of prints has two groups, respectively, first and second printing printing group; when the number of printhead two X-axis moving mechanism on the same, through the first and second printing groups print can print out the two mirror each other's goods, the specific operation as follows: the first printing group X axis mechanism drives the print head from left to right to reciprocate the second printing group X axis moving mechanism drives the print head reciprocating motion from right to left, that is, the print head of the first printing group X axis moving mechanism on the direction of movement and direction of movement of the print head to print a second set of X-axis moving mechanism on the contrary. 需要说明的是，当第一打印组中的X轴移动机构上的打印头的运动方向与第二打印组中的X轴移动机构上的打印头的运动方向相同时，便可以打印出两个具有完全相同的尺寸的物品。 It should be noted that, when the direction of movement of the print head in the direction of movement of the print head to print the first group on the X-axis moving mechanism and a second printing group X axis moving mechanism on the same, you can print out two It has exactly the same size items.

[0064] 综上所述，本实施例二提供的多打印头3D打印机，实现了在单台打印机上按需要配置打印头的数量，另外，实现了在单台打印机上对同一物品的多倍复制以及镜像制作，使现有基于FDM技术的3D打印机在外形尺寸不变的条件下，多倍提升打印速度和使用不同种类打印耗料的特点。 [0064] In summary, according to a second multi-head 3D printer of the present embodiment, realized on a single printer you need to configure the print head according to the number, in addition, to achieve the times on a single printer for the same items copy and image production, based on existing FDM 3D printer technology in the dimensions the same conditions, times to enhance the print speed and the use of different types of print material consumption characteristics.

[0065] 最后应说明的是:以上各实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述各实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解:其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的范围。 [0065] Finally, it should be noted that: The above embodiments are merely provided for describing the technical solutions of the present invention, but not intended to limit; although reference to the foregoing embodiments of the present invention has been described in detail, those skilled in the art should understood: it can still carry out the foregoing technical solution embodiments described modifications, or in which part or all of the technical features equivalent replacements; and such modifications or replacements do not make the essence of corresponding technical solutions depart from the various embodiments of the present invention range of technical solutions.