具体实施方式 DETAILED DESCRIPTION

[0023] 参阅图1至图7，一种多色3D打印机，包括机架1、四根分别固连在机架I四个角上且竖直设置的竖向滑杆11、两根固连在机架I上方且分别设置在机架I左右两侧的纵向滑杆12、两根固连在机架I上方且分别设置在机架I前后两侧的横向滑杆13、四个角分别套接在四根竖向滑杆11上且用于支撑工件的打印底板2、设置在两根纵向滑杆12上的横向导杆14、设置在两根横向滑杆13之间的纵向导杆15、安装在横向导杆14与纵向导杆15之间的挤出头3、安装在机架I上且用于给挤出头3传送耗材线的挤出机4、用于给挤出机4供耗材线的供线轮5、固连在机架I上且用于支撑供线轮5的轮架6 ;所述机架I上设有用于使打印底板2竖向移动的竖向驱动装置7。 [0023] Referring to Figures 1 to 7, a multi-color 3D printer comprising a frame, four fixed vertical sliders respectively connected to the four corners of the I frame 11 and vertically disposed, fixedly connected two In the top of the rack and I are disposed in the longitudinal slider left and right sides of the rack I 12, two solid even in the top rack I and slider are disposed transversely on both sides of the front and rear rack I 13, the four corners, respectively lateral guide rod socket printing plate on the four vertical slide bar 11 and is for supporting the workpiece 2, is provided on the two longitudinal slider 12 is 14, provided in the two lateral longitudinal guide slider rod 13 between the 15, mounted on the lateral guide bar 14 and the vertical guide rod 15 between the extrusion head 3, install the extrusion head 3 transmission line extruder supplies to the rack and I used to give 4, used to give an extruder 4 for supplies wire feeder wheel 5 is fixedly connected to the frame I and for supporting the pulley wheel carrier 5 for 6; the printing plate 2 is provided with a vertical movement of the vertical drive on the rack I means 7. 横向导杆14与纵向导杆15分别位于两个水平面上。 Lateral guide bar 14 and the vertical guide rod 15 are located in two horizontal plane. 所述挤出机4数量与第一软管连接头33数量相同且一一对应。 The extruder 4 with the first hose to connect the same number of head 33 and the number-one correspondence. 所述供线轮5数量与挤出机4数量相同且一一对应。 The line for the same number of wheels 5 4 Number of extruders and correspondence.

[0024] 参阅图2和图4，每根纵向滑杆12上均套接有一个纵向滑块16，每个纵向滑块16上均设有纵向齿条161，机架I上端设有用于驱动纵向齿条161的纵向同步带机构8，横向导杆14两端分别卡扣在两个纵向滑块16上；每根横向滑杆13上均套接有一个横向滑块17，每个横向滑块17上均设有横向齿条171，机架I上端设有用于驱动横向齿条171的横向同步带机构9，纵向导杆15两端分别扣卡在两个横向滑块17上，方便拆装维修。 [0024] Referring to FIG. 2 and 4, each of the longitudinal slider 12 are socket has a longitudinal slide 16, on each of the longitudinal slide 16 has a longitudinal rack 161 is provided for driving the upper rack I longitudinal rack 161 longitudinal belt mechanism 8, both ends of the lateral guides 14 snaps in two longitudinal slide 16; each lateral sliders 13 are sockets have a cross slide 17, each lateral slip Block 17 has a lateral rack 171, the upper end of the frame I is provided for driving the lateral transverse belt mechanism 171 rack 9, 15, respectively, at both ends of the vertical guide rod buckles on the two lateral slide 17 to facilitate the demolition equipment maintenance.

[0025] 参阅图5，所述挤出头3包括本体31、安装在本体31下方且位于同一水平面上的至少两个挤出嘴32、安装在本体31上方且与挤出嘴32 —一对的第一软管连接头33、用于连通第一软管连接头33和挤出嘴32的连接管34、固连在连接管34上且靠近挤出嘴32的加热块35 ;所述本体31上设有用于使纵向导杆15穿过的纵向通孔311和用于使横向导杆14穿过的横向通孔312。 [0025] Referring to Figure 5, the extrusion head 3 comprises a body 31, mounted in the body 31 below and in the same horizontal plane, at least two extrusion nozzles 32, mounted above the main body 31 and the extrusion nozzle 32-- one pair The first hose connector 33 for communicating the first hose connection pipe 33 and extrusion head 34 of the nozzle 32, is fixedly connected at the connection pipe 34 and close to the extrusion nozzle 32 is heated block 35; the body provided with a longitudinal guide 31 for causing a longitudinal rod 15 through the through hole 311 and a transverse guide rods 14 through the transverse through hole 312. 所述本体31上设有散热板36和散热风扇37。 The body is provided with the heat radiating plate 36 and the cooling fan 37 on 31. 所述挤出嘴32有八个。 The extrusion nozzle 32 has eight. 所述本体31上方固连有上盖314，所述本体31下方固连有挤出头底板313 ;所述第一软管连接头33固连在上盖314上，连接管34通过螺纹转接有定位螺母38，定位螺母38位于挤出头底板313的上方，所述加热块35与挤出头底板313之间设有定位弹簧39，定位弹簧39套接在连接管34上。 Fixedly connected to the body 31 above the upper lid 314 is fixedly connected to the body 31 has a bottom plate 313 extrusion head; the first hose connector 33 is fixedly connected on the cover 314, the connecting pipe 34 by a threaded adapter a positioning nut 38, the positioning nut 38 is positioned above the bottom plate 313 of the extrusion head, said positioning spring is provided between the heating block 35 and the bottom plate 313 the extrusion head 39, the positioning spring 39 sleeved on the connecting pipe 34.

[0026] 参阅图6，每个挤出机4均包括固连在机架I上的旋转电机41、与旋转电机41相连的挤出轮42、转接在机架I上的压紧臂43、转接在机架I上且用于调节压紧臂43角度的调节螺栓44、与挤出轮42配合用于挤出耗材线的压紧轴承45、固连在机架I上的第二软管连接头49 ;所述压紧臂43的一端与调节螺栓44相连，压紧轴承45转接在压紧臂43的另一端上；所述挤出轮42上设有用于咬合耗材线的尖齿；所述第一软管连接头33与第二软管连接头49之间连有软管。 [0026] Referring to FIG. 6, each extruder 4 includes fixedly connected to the frame I rotary motor 41, and the rotary motor 41 is connected to an extrusion wheel 42, the adapter on the rack I pinch arm 43 , the adapter on the rack I used to adjust the clamping arm 43 and angle adjustment bolt 44, and the extrusion wheel 42 supplies for extrusion lines with clamping bearing 45 is fixedly connected to the rack I second 49 hose connector; one end of the pinch arm 43 is connected with the adjusting bolt 44, clamping bearing 45 adapter at the other end of the pinch arm 43; and the supply line is provided with a bite out of the wheel 42 tines; the first 33 and second hose connector hose connector hose attached between the head 49. 所述调节螺栓44上转接有紧固螺母48和调节螺母46，所述压紧臂43与调节螺母46之间连有调节弹簧47 ;所述调节弹簧47的一端套接在调节螺栓44上，调节弹簧47的另一端固连在压紧臂43上。 The adjustment bolt 44 adapter with a fastening nut 48 and the adjustment nut 46, the pinch arm 43 and the adjusting nut 46 is connected between the adjustment spring 47; the adjustment of the socket end of the spring 47 in the adjusting screw 44 adjusting spring 47 is fixedly connected at the other end of the pinch arm 43.

[0027] 参阅图7，所述轮架6上设有数量与供线轮5数量相同且与供线轮5 —一对应的卡座。 [0027] Referring to FIG. 7, the frame has the same number of rounds and the number 5 and the supply reel and the supply reel 5 6 - a corresponding deck. 每个卡座均由两个挡板61、两根固连在两个挡板61之间且平行设置的圆杆62 ;圆杆62的每端均套接有一个滚轮63，每个滚轮63的外侧壁上均环绕有一个与供线轮5的挡板51相配的卡槽631。 Each cartridge consists of two baffles 61, two rod is fixedly connected and arranged in parallel between the two baffles 61 62; 62 of the rod at each end of each socket has a roller 63, each roller 63 The outer walls are surrounded by a bezel 51 and the supply reel 5 mating slot 631. 每个滚轮63与圆杆62之间设有两个轴承。 Provided between each roller 63 and the rod 62 two bearings.

[0028] 参阅图2和图3，竖向驱动装置7包括两根分别设置在机架I左右两侧且竖直设置的丝杠71、两个分别用于驱动两根丝杠71的驱动电机72 ;所述打印底板2左右两侧分别与两根丝杠71通过螺纹传动。 [0028] Referring to Figures 2 and 3, the vertical drive means 7 comprises two racks are respectively provided at left and right sides I and vertically disposed lead screw 71, two screws 71 are used to drive the two driving motors 72; the printing plate and the two sides were about 2 by a threaded drive screw 71. 所述打印底板2包括四个角分别套接在四根竖向滑杆11上的支撑板21、位于支撑板21上方且用于放置工件的工作板22，所述工作板22的横截面为矩形；所述支撑板21的左右两侧分别与两根螺纹杆71通过螺纹转接在一起；所述工作板22每个角从上向下均穿设有一个沉头螺栓23，每个沉头螺栓23上均套接有一个调平弹簧24，每个沉头螺栓23上均转接有一个调平螺母25，每个调平弹簧24均位于支撑板21与工作板22之间，每个调平螺母25均位于支撑板21下方。 The printing plate 2 includes a socket in the four corners of each vertical support plate 11 of the slider 21, located above the support plate 21 and the work plate for placing a workpiece 22, the cross-section of the working plate 22 is rectangle; left and right sides of the support plate 21, respectively, and two threaded rod 71 by a threaded adapter together; each corner of the working plate 22 from the top down are wearing has a countersunk head bolts 23, each Shen 23 socket head bolts on both a leveling spring 24, each of the countersunk head bolts on each adapter 23 has a leveling nut 25, each leveling springs 24 are located between the support plate 21 and the work plate 22, each a leveling nut 25 are located below the support plate 21.

[0029] 工作时，挤出机4通过旋转电机41带动挤出轮42进行旋转，挤出轮42与压紧轴承45配合使耗材线移动，耗材线拉动供线轮5进行旋转，使供线轮5进行供线；耗材线依次经过供线轮5、挤出轮42与压紧轴承45之间、第二软管连接头49、软管、第二软管连接头49、供线轮5、连接管34和挤出嘴32，耗材线在挤出嘴32处被加热块35加热块35由加热棒和温度传感器构成加热融化。 [0029] In operation, the extruder 4 driven by the rotation of the motor 41 rotating extrusion wheel 42, the extrusion wheel 45 with the bearing 42 and the stopper so supplies line moves, supplies wire for pulling the pulley 5 is rotated, the yarn Round 5 is for the line; supplies line sequentially through the supply reel 5, extrusion wheel bearing pressed between 42 and 45, the second hose connector 49, a hose, a second hose connector 49, for wire wheel 5 connecting tube 34 and the extrusion nozzle 32, supplies wire extrusion nozzle 32 in block 35 is heated by the heating rod heating block 35 and a temperature sensor constituted heated to melt.

[0030] 参阅图6，当挤出轮42与压紧轴承45对耗材线的挤压力变小时，通过旋转调节螺栓44，使调节螺母46下压调节弹簧47，使调节弹簧47增大对压紧臂43的作用力，使压紧臂43旋转，从而增大挤出轮42与压紧轴承45对耗材线的挤压力。 [0030] Referring to FIG. 6, when the extrusion wheel 42 and the stopper bearing 45 pairs of consumable wire extrusion pressure becomes small, by turning the adjustment screw 44, the adjusting nut 46 under the pressure regulating spring 47, the adjustment of the spring 47 increases force pinch arm 43, the pinch arm 43 rotates, thereby increasing the extrusion wheel 42 and the stopper bearing 45 pairs of squeezing supplies line pressure.

[0031] 参阅图5，当八个挤出嘴32不在一个平面上时，通过旋转连接管34使挤出嘴32上下移动，从而使八个挤出嘴32位于同一平面上；定位螺母38用于防止定位好的挤出嘴32向下移动，定位弹簧39用于防止挤出嘴32向上移动。 [0031] Referring to FIG. 5, when the plane is not an eight-extrusion nozzle 32, the connecting pipe 34 by rotating the extrusion nozzle 32 is moved up and down, so that eight out of the nozzle 32 is located on the same plane; positioning nut 38 with Mobile preventing good extrusion nozzle 32 positioned downward, the positioning spring 39 for preventing the extrusion nozzle 32 is moved upward.

[0032] 参阅图4，当打印底板2与挤出嘴32所在的平面不平行时，通过调节沉头螺栓23和调平螺母25可以调节打印底板2的倾斜角，使打印底板2与挤出嘴32所在的平面平行。 [0032] Referring to FIG. 4, when the printing plate 2 and the extrusion nozzle 32 where the plane not parallel, by adjusting the countersunk head bolt 23 and nut 25 leveling the floor tilt angle can be adjusted to print 2, the printing plate 2 and extruded 32 is located parallel to the plane of the mouth.

[0033] 附图中第一软管连接头33和第二软管连接头49之间的软管和耗材线未画出。 [0033] FIG hose connector 33 in the first and second supply line hose and hose connection between the head 49 is not shown.

[0034] 本发明中设有至少两个挤出嘴，每个挤出嘴可以挤出不同颜色的材料，通过横向导杆和纵向导杆可以方便的控制每个挤出嘴在水平面上的位置，有利于更换材料的颜色；挤出机传递耗材线方便可靠；供线轮放置在卡座上，便于拆装，有利于更换和维修。 [0034] The present invention is provided with at least two extrusion nozzles, each extrusion nozzle can be extruded materials of different colors, you can easily control each extrusion nozzle through horizontal guides and vertical guide rod position in the horizontal plane conducive to change color material; extruder supplies convenient and reliable transfer line; supply reel is placed on the deck, easy disassembly, it is conducive to replacement and maintenance.

[0035] 以上所述仅为本发明的具体实施例，但本发明的技术特征并不局限于此，任何本领域的技术人员在本发明的领域内，所作的变化或修饰皆涵盖在本发明的专利范围之中。 [0035] The above description is only the specific embodiment of the present invention, but the technical features of the present invention is not limited to this, any person skilled in the art to which this invention, changes or modifications made are encompassed by the present invention The range among the patent.