CN104669624A - Delta 3D (three-dimensional) printer - Google Patents
Delta 3D (three-dimensional) printer Download PDFInfo
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- CN104669624A CN104669624A CN201510091551.8A CN201510091551A CN104669624A CN 104669624 A CN104669624 A CN 104669624A CN 201510091551 A CN201510091551 A CN 201510091551A CN 104669624 A CN104669624 A CN 104669624A
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Abstract
The invention discloses a delta 3D (three-dimensional) printer which comprises an upper support structure and a bottom support structure, wherein the upper support structure comprises an upper support seat which is connected with support columns and provided with a material feed mechanism, horizontal support blocks are arranged on the support columns, a third aluminum profile connecting piece is arranged on each horizontal support block and provided with a dowel pin which is provided with a bearing, and a driving belt is arranged on the outer ring of the bearing and connected with a printer head through a slider and a ball universal joint; the bottom support structure comprises a lower fixing platform and a base platform, the outer side of the fixing platform is connected with the lower parts of the support columns respectively, a stepper motor is arranged on the upper end surface, close to the support columns, of the fixing platform, the lower end surface of the fixing platform is connected with a switching-mode power supply, the middle of the upper end surface of the fixing platform is connected with a controller, and the base platform is connected with the fixing platform. The delta 3D printer is compact in structure, low in gravity center, convenient to mount and dismount, and widely applicable to small 3D printers.
Description
Technical field
The present invention relates to 3D printer technology field, particularly relate to a kind of delta 3D printer.
Background technology
Syndeton many employings metal between the 3D printer upper support structure of prior art and vertical pillars or plastic member, the complicated structure of these components, mass ratio is heavier, dismounting and maintain and replace inconvenience, operator's inefficiency, labour intensity is large, particularly plastic member, due to rigidity and intensity low, complex structure and being easily out of shape, be subject to frequently stressed and vibration after, easily loosen and occur distortion, and the time grow easy aging, easily break down, simultaneously because column is connected with vertical movement mechanism, after distortion, moving resistance is large, increase the friction between kinematic pair, also the accuracy of vertical movement mechanism motion is had influence on, thus have influence on the quality of institute's printed product, even cause waste product, increase production cost.
Syndeton many employings metal between the 3D printer lower support structure of prior art and vertical pillars or plastic member, the complicated structure of these components, mass ratio is heavier, dismounting and maintain and replace inconvenience, the structure be particularly connected and fixed with stepper motor, owing to being subject to stressed and vibration frequently, easily loosen and occur distortion, use and easily to break down afterwards, cause the inefficiency that maintenance personal repairs, labour intensity is large, particularly plastic member, due to rigidity and intensity low, complex structure and being easily out of shape, and the time grow easy aging, simultaneously because column is connected with vertical movement mechanism, after distortion, moving resistance is large, increase the friction between kinematic pair, also the accuracy of vertical movement mechanism motion is had influence on, thus have influence on the quality of institute's printed product, even cause waste product, increase production cost.
The 3D printer material feeding mechanism of prior art, generally be arranged in printer upper bracket, or be connected on upper support board by bracing frame, material feeding mechanism more complicated, install and dismounting inconvenience, also the thrust adjusting wire feed is inconvenient to, make the poor stability of wire feed, even have influence on the quality of institute's printed product, simultaneously because the wire feed printing mechanism mass ratio comprising motor is heavier, motor output shaft and the stressed rear easy distortion of material feeding mechanism and produce vibration, also have influence on the stability of wire feed and the precision of printing.
Summary of the invention
Object of the present invention is exactly the problems referred to above existed for solving prior art, provides a kind of delta 3D printer; Compact conformation of the present invention, volume are little, quality is light, center of gravity is low, main connecting elements adopts profile structure, intensity is high, good rigidly, structure is not easy distortion, low cost of manufacture, is connected by section jointing part and bolt and nut between main parts size, installation, convenient disassembly, easy to carry and transport, be widely used in small-sized 3D printer; Switching Power Supply is connected with fixed platform, and fixed platform is connected with controller, makes full use of the space of bottom, reduces the height of complete machine, reduce machine gravity, and vibration is asked, and work is more steady, more easily ensures the accuracy of manufacture of product.
The technical scheme of technical solution problem of the present invention is:
A kind of delta 3D printer, comprise upper support structure, lower support structure, it is characterized in that, described upper support structure comprises upper support seat, the bottom of upper support seat is connected with the support column of three uniform settings, material feeding mechanism is provided with in the middle of the upper surface of upper support seat, vertically disposed top through wires hole is provided with at the upper support seat near material feeding mechanism, material feeding mechanism comprises stepper motor, electric machine support, electric machine support is connected with upper support seat, the top of upper support seat is connected with printed material support, described support column top is provided with horizontal support block, square the 3rd aluminium section connecting pieces is provided with near centre position at horizontal support block, a right-angle side of the 3rd aluminium section connecting pieces is fixedly connected with horizontal support block, steady pin is provided with in the connecting hole of another right-angle side of the 3rd aluminium section connecting pieces, bearing is provided with at the other end of steady pin, bearing outer ring is provided with driving belt, described driving belt is connected with slide block, the vertically movement of band movable slider, slide block coordinates with the slide rail on support column, slide block is connected with ball head universal, ball head universal is connected with printing head connecting rod, described lower support structure comprise bottom fixed platform, place by the basic platform of printed product, basic platform is above fixed platform, the outside of described fixed platform is connected with the support column bottom of three uniform settings respectively, stepper motor is provided with in the upper surface of the fixed platform near support column place, the lower surface of fixed platform is connected with Switching Power Supply, the centre position, upper surface of fixed platform is connected with controller, and basic platform is connected with fixed platform by horizontal regulating structure.
Described material feeding mechanism comprises stepper motor, described stepper motor is connected with electric machine support, electric machine support top is connected with fixation clip, electric machine support is connected with printer upper junction plate, the centre of described electric machine support is provided with U-shaped groove, the horizontal end face of groove port both sides is provided with the support screwed hole of vertical direction, boss is upwards provided with in horizontal end face both sides, boss is provided with connecting hole on motor, connecting hole under electric machine support bottom is provided with motor, the output shaft of described stepper motor establishes wire feed driving wheel, wire feed driving wheel position coordinates with U-shaped groove location, described boss enter the upside of one end near horizontal end face be provided with arrange with the axes normal of U-shaped groove enter a hole, be provided with the wire vent hole arranged with the axes normal of U-shaped groove near the upside of horizontal end face in wire vent one end, enter a hole to overlap with wire vent axially bored line, rectangular shaped slot is provided with in the middle of described fixation clip, wire feed rolls connecting hole is provided with in the two side of the rectangular shaped slot along U-shaped recess axis direction, wire feed rolls connecting hole is provided with wire feed rolls fixed axis, wire feed rolls fixed axis is provided with wire feed rolls, wire feed rolls is arranged in rectangular shaped slot, and described wire feed rolls has coordinated with wire feed driving wheel the feeding printing silk.
The outer face in described wire vent hole is provided with wire vent guide pin bushing, and wire vent guide pin bushing is connected by threaded engagement with boss; Described fixation clip is provided with the pressing plate connecting hole that vertical direction is arranged, and described pressing plate connecting hole and support screwed hole are bolted, between bolt head and fixation clip upper surface, be provided with Compress Spring, and described Compress Spring is set on bolt.
Be provided with flange bottom described electric machine support, flange is provided with flange connecting hole, and flange is connected with printer upper junction plate by the bolt in flange connecting hole, and printer upper junction plate is connected with three root posts, is provided with lightening grooves in the middle of the bottom of described electric machine support; Described electric machine support is provided with the second groove in the side be connected with stepper motor, the output shaft side of stepper motor is stretched in the second groove, is coordinated with the second groove fit, described stepper motor is provided with back-up block away from the printer upper junction plate of bottom, output shaft one end, and the top of back-up block contacts with the lower surface of stepper motor.
Described horizontal support block and upper support seat are bolted, and described electric machine support and upper support seat are bolted, and a right-angle side of the 3rd aluminium section connecting pieces is fixedly connected with horizontal support block by nut; Described support column, horizontal support block adopt aluminium profile structure, described horizontal support block is connected with support column by tapped section jointing part and nut, nut, the fixed block of lead limit switch is connected with support column by nut, section jointing part, and limit switch is connected with fixed block bottom.
Described printed material pedestal upper end face is provided with materials for support block, and materials for support block is connected with printed material support vertical, is provided with printed material locating piece at the end of materials for support block; , described printed material support, materials for support block are aluminium profile structure, and printed material support, materials for support block are connected by square first section jointing part with threaded hole and bolt; The lower end of described printed material support is connected with upper support shelf by the second right angle section jointing part with threaded hole, the vertical joint face of the second right angle section jointing part is connected with printed material support by bolt, section bar nut, and the horizontal connecting surface of the second section jointing part is connected with upper support shelf by bolt; Described printed material props up the position be set up near one of them support column, second right angle section jointing part is provided with two symmetrically, the horizontal connecting surface of one of them the second right angle section jointing part is connected with upper support shelf, horizontal support block in turn by bolt, the section bar nut screw connection in the end of bolt and horizontal support block groove.
The bottom of described fixed platform is provided with lower horizontal support block, and described lower horizontal support block is connected with fixed platform, support column respectively; Described lower horizontal support block, support column are aluminium profile structure, described lower horizontal support block passes through square the 3rd aluminium section connecting pieces and bolt with the downside of support column, is connected, upside is by square the 4th aluminium section connecting pieces and bolt, connection, and fixed platform and lower horizontal support block are bolted.
Described stepper motor is connected with fixed platform by intermediate supports seat, described intermediate supports seat comprises the level connection joint dish be connected, vertical terminal pad, two vertical vias are provided with at level connection joint dish, four horizontal connecting hole are provided with at vertical terminal pad, be provided with motor output shaft at vertical terminal pad near centre position and stretch out hole, the bottom of level connection joint dish is connected with fixed platform upper surface, the right angle inner side end of vertical terminal pad is connected with the end face of stepper motor output shaft one end, motor power output shaft protrudingly hole to be connected with belt wheel from stretching out, belt wheel is connected with driving belt.
Described horizontal regulating structure comprises upper bolt, lower bolt, adjusting nut, locking nut, described upper bolt is connected with the upper end of adjusting nut through after the vertical through hole of basic platform, lower bolt is connected with the lower end of adjusting nut through after the vertical through hole of fixed platform, be provided with locking nut at the upper bolt near adjusting nut upper end, the upper bolt between locking nut upper surface and basic platform is set with Compress Spring.
Described basic platform is laid with in the position of corresponding three support columns the boss protruding circular portion excircle part; Fixed platform, described upper support seat adopt polygonal flat panel structure.
Beneficial effect of the present invention:
1. compact conformation of the present invention, volume is little, quality is light, center of gravity is low, main connecting elements adopts profile structure, intensity is high, good rigidly, structure is not easy distortion, low cost of manufacture, is connected by section jointing part and bolt and nut between main parts size, installation, convenient disassembly, easy to carry and transport, be widely used in small-sized 3D printer; Switching Power Supply is connected with fixed platform, and fixed platform is connected with controller, makes full use of the space of bottom, reduces the height of complete machine, reduce machine gravity, and vibration is asked, and work is more steady, more easily ensures the accuracy of manufacture of product.
2. horizontal support block and upper support seat, electric machine support and upper support seat are bolted, the right-angle side of the 3rd aluminium section connecting pieces is fixedly connected with horizontal support block by nut, support column, horizontal support block adopts aluminium profile structure, horizontal support block is by tapped section jointing part and nut, nut is connected with support column, the fixed block of lead limit switch passes through nut, section jointing part is connected with support column, limit switch is connected with fixed block bottom, the printed material support of aluminium profile structure, materials for support block is connected by square first section jointing part and bolt, the lower end of printed material support is connected with upper support shelf by the second right angle section jointing part, the vertical joint face of the second right angle section jointing part passes through bolt, section bar nut is connected with printed material support, the horizontal connecting surface of the second section jointing part is connected with upper support shelf by bolt, fixing reliable, easy accessibility.
3. printed material props up the position be set up near one of them support column, second right angle section jointing part is provided with two symmetrically, the horizontal connecting surface of one of them the second right angle section jointing part is connected with upper support shelf, horizontal support block in turn by bolt, section bar nut screw connection in the end of bolt and horizontal support block groove, utilize same bolts and nuts to connect multiple component is connected and fixed, reduce the quantity of connector, reduce material cost and process operations cost and labour intensity, also improve operating efficiency; Printed material pedestal upper end face is provided with materials for support block, and materials for support block is connected with printed material support vertical, is provided with printed material locating piece at the end of materials for support block, makes full use of the upper space of printed material support.
4. upper support seat adopts polygonal flat panel structure, compact conformation, attractive in appearance, takes up room little, is especially applicable to manufacturing small-sized delta 3D printer.
5. the bottom of fixed platform is provided with lower horizontal support block, described lower horizontal support block is connected with fixed platform, support column respectively, lower horizontal support block, support column are aluminium profile structure, lower horizontal support block passes through square the 3rd aluminium section connecting pieces and bolt with the downside of support column, is connected, upside is by square the 4th aluminium section connecting pieces and bolt, connection, fixed platform and lower horizontal support block are bolted, quality is light, connect reliable between parts, easy accessibility, part generalization degree is high, decreases maintenance and manufacturing cost.
6. stepper motor is connected with fixed platform by intermediate supports seat, intermediate supports seat comprises level connection joint dish, vertical terminal pad, be provided with motor output shaft at vertical terminal pad near centre position and stretch out hole, the bottom of level connection joint dish is connected with fixed platform upper surface, the right angle inner side end of vertical terminal pad is connected with the end face of stepper motor output shaft one end, motor power output shaft protrudingly hole to be connected with belt wheel from stretching out, and motor is connected and fixed reliably, easy installation and removal;
The printer fixed platform of stepper motor away from bottom, output shaft one end is provided with back-up block, the top of back-up block contacts with the lower surface of stepper motor, is supported stepper motor by back-up block, reduces stepper motor vibration operationally, improve wire feed reliability, ensure print quality.
7. horizontal regulating structure adopts upper bolt, lower bolt, adjusting nut, locking nut, Compress Spring to connect, by multiple horizontal regulating structure, basic platform is connected with fixed platform, can regulate each position easily, ensure basic platform horizontal accuracy and by the size of printed product and position precision.
8. basic platform is laid with in the position of corresponding three support columns the boss protruding circular portion excircle part, and quality is light, good rigidly, reduces basic platform distortion, ensures by the size of printed product and position precision.Fixed platform adopts polygonal flat panel structure, compact conformation, attractive in appearance, takes up room little, is especially applicable to manufacturing small-sized delta 3D printer.
9. the bottom of electric machine support is middle is provided with lightening grooves, alleviates the total quality of structure, reduces the distortion of lower tie plate.Electric machine support is provided with the second groove in the side be connected with stepper motor, the output shaft side of stepper motor is stretched in the second groove, is coordinated with the second groove fit, compact conformation, reduce the extension elongation of output shaft, increase output shaft rigidity, minimizing axle are subject to the vibration after torque, increase reliable transmission, reduce the slippage problems printing silk, alleviate architecture quality simultaneously.
10. fixation clip is provided with the pressing plate connecting hole that vertical direction is arranged, described pressing plate connecting hole and support screwed hole are bolted, Compress Spring is provided with between bolt head and fixation clip upper surface, described Compress Spring is set on bolt, by the effect of Compress Spring, ensure the reliable supply printing silk, ensure print quality.
The outer face in 11. wire vent holes is provided with wire vent guide pin bushing, wire vent guide pin bushing is connected by threaded engagement with boss, to silk be printed be transported to the printhead of distant position by the guiding of wire vent guide pin bushing, especially be applicable to material feeding mechanism and print head position remote printer far away uses.
12. stepper motors are provided with back-up block away from the printer upper junction plate of bottom, output shaft one end, the top of back-up block contacts with the lower surface of stepper motor, is supported stepper motor by back-up block, reduces stepper motor vibration operationally, improve wire feed reliability, ensure print quality.
Accompanying drawing explanation
Fig. 1 is the structural representation of invention;
Fig. 2 is the upper support structure schematic diagram of Fig. 1;
Fig. 3 is the top view of Fig. 2;
Fig. 4 is the B-B sectional view of Fig. 2;
Fig. 5 is the bright overall structure schematic diagram of Fig. 2.
Fig. 6 is lower support structure schematic diagram;
Fig. 7 is intermediate supports holder structure schematic diagram;
Fig. 8 is the C-C echelon sectional view of Fig. 7.
Fig. 9 is the top view removed after basic platform of Fig. 6;
Platform structure schematic diagram based on Figure 10;
Figure 11 is the upward view of Fig. 6;
Figure 12 is material feeding mechanism schematic diagram of the present invention;
Figure 13 is the top view of Figure 12;
Figure 14 is the left view of Figure 12;
Figure 15 is the A-A echelon sectional view of Figure 12.
Detailed description of the invention
In order to understand the present invention better, explain embodiments of the present invention in detail below in conjunction with accompanying drawing.
As shown in Fig. 1 to Figure 15, a kind of delta 3D printer, comprise upper support structure, lower support structure, described upper support structure comprises upper support seat 101, the bottom of described upper support seat 101 is connected with the support column 208 of three uniform settings, material feeding mechanism is provided with in the middle of the upper surface of upper support seat 101, vertically disposed top through wires hole 130 is provided with at the upper support seat 101 near material feeding mechanism, material feeding mechanism comprises stepper motor 126, electric machine support 124, electric machine support is connected by bolt 125 with upper support seat 101, the top of upper support seat 101 is connected with printed material support 102.Described support column 208 top is provided with horizontal support block 111, and horizontal support block 111 is connected by bolt 133 with upper support seat 101.
Described support column 20, horizontal support block 111 adopt aluminium profile structure, described horizontal support block 111 is connected with support column 208 by tapped section jointing part 122 and nut 121, nut 123, the fixed block 117 of lead limit switch 114 is also connected with support column 208 by nut 123, section jointing part 122 simultaneously, and limit switch 114 is connected with fixed block 117 bottom.Described upper support seat adopts polygonal flat panel structure.
Square the 3rd aluminium section connecting pieces 112 is provided with near centre position at horizontal support block 111, a right-angle side of the 3rd aluminium section connecting pieces 112 is fixedly connected with horizontal support block 111 by nut 115, steady pin 116 is provided with in the connecting hole of another right-angle side of the 3rd aluminium section connecting pieces 112, bearing 131 is provided with at the other end of steady pin 116, bearing 131 outer ring is provided with and drives belt 118, described driving belt is connected with slide block 113, the vertically movement of band movable slider, slide block coordinates with the slide rail on support column, slide block is connected with ball head universal, ball head universal is connected with printing head connecting rod, printing head connecting rod lower end is connected by universal joint with printing head 119.
Printed material support 102 upper surface is provided with materials for support block 103, and materials for support block 103 is connected with printed material support 102 is vertical, is provided with printed material locating piece 104 at the end of materials for support block 103.Described printed material support 102, materials for support block 103 are aluminium profile structure, printed material support 102, materials for support block 103 are connected by square first section jointing part 105 with threaded hole and bolt 106,107, and wherein the first section jointing part 105 is internal thread.The lower end of printed material support 102 is connected with upper support shelf 101 by the second right angle section jointing part 109 with threaded hole, the vertical joint face of the second right angle section jointing part 109 is connected with printed material support 102 by bolt 108, section bar nut 127, and the horizontal connecting surface of the second section jointing part 109 is connected with upper support shelf 101 by bolt 110.
The position near one of them support column 208 is located at by described printed material support 102, second right angle section jointing part 109 is provided with two symmetrically, the horizontal connecting surface of one of them the second right angle section jointing part 109 is connected with upper support shelf 101, horizontal support block 111 in turn by bolt 129, and the end of bolt 110 coordinates with the section bar nut 128 in horizontal support block 111 groove.
Composition graphs 6 is as 11, described lower support structure, comprise the fixed platform 202 of bottom, place by the basic platform 201 of printed product, basic platform 201 is above fixed platform 202, the outside of described fixed platform 202 is connected with support column 208 bottom of three uniform settings respectively, stepper motor 205 is provided with in the upper surface of the fixed platform 202 near support column 208 place, the lower surface of fixed platform 202 is connected with Switching Power Supply 204, the centre position, upper surface of fixed platform 222 is connected with controller 203, basic platform 201 is connected with fixed platform 202 by horizontal regulating structure.
Described Switching Power Supply 204 is connected by bolt 222, connecting hole 224 with fixed platform 202, and fixed platform 202 is connected by bolt 210 with controller 203.
The bottom of described fixed platform 202 is provided with lower horizontal support block 207, and described lower horizontal support block 207 is connected with fixed platform 202, support column 208 respectively.Described lower horizontal support block 207, support column 208 are aluminium profile structure, described lower horizontal support block 207 is connected by square the 3rd aluminium section connecting pieces 220 and bolt 219,221 with the downside of support column 208, upside is connected by square the 4th aluminium section connecting pieces 217 and bolt 209,216, and fixed platform 202 and lower horizontal support block 207 are bolted.
Described stepper motor 205 is connected with fixed platform 202 by intermediate supports seat 206, described intermediate supports seat 206 comprises the level connection joint dish 261 be connected, vertical terminal pad 262, two vertical vias 263 are provided with at level connection joint dish 261, four horizontal connecting hole 264 are provided with at vertical terminal pad 262, be provided with motor output shaft at vertical terminal pad 262 near centre position and stretch out hole 265, the bottom of level connection joint dish 261 is connected with fixed platform 202 upper surface, the right angle inner side end of vertical terminal pad 262 is connected with the end face of stepper motor output shaft one end, motor power output shaft protrudingly hole 265 to be connected with belt wheel 215 from stretching out, belt wheel 215 is connected with driving belt 218, described driving belt 218 is connected with slide block 113, the vertically movement of band movable slider, slide block 113 coordinates with the slide rail on support column 208, slide block is connected with ball head universal, ball head universal is connected with printing head 228 connecting rod 134.
Described horizontal regulating structure comprises upper bolt 214, lower bolt 223, adjusting nut 225, locking nut 211, described upper bolt 214 is connected with the upper end of adjusting nut 225 through after the vertical through hole of basic platform 201, and lower bolt 223 is connected with the lower end of adjusting nut 225 through after the vertical through hole of fixed platform 202.Be provided with locking nut 211 at the upper bolt 214 near adjusting nut 225 upper end, the upper bolt 214 between locking nut 211 upper surface and basic platform 201 is set with Compress Spring 212.
Described basic platform 201 is laid with in the position of corresponding three support columns 208 boss 226 protruding circular portion excircle part 227.Fixed platform 202 adopts polygonal flat panel structure.
The printer fixed platform 202 of stepper motor away from bottom, output shaft one end is provided with back-up block 250, the top of back-up block 250 contacts with the lower surface of stepper motor, by back-up block, stepper motor is supported, reduce stepper motor vibration operationally, improve wire feed reliability, ensure print quality.
In conjunction with shown in Figure 12 to Figure 15, described material feeding mechanism, comprise stepper motor 314, described stepper motor is connected with electric machine support 301, electric machine support 301 top is connected with fixation clip 303, electric machine support is connected with printer upper junction plate, the centre of described electric machine support is provided with U-shaped groove 315, the horizontal end face of groove port both sides is provided with the support screwed hole of vertical direction, boss 316 is upwards provided with in horizontal end face both sides, boss is provided with connecting hole 305 on motor, connecting hole 317 under electric machine support bottom is provided with motor, the output shaft of described stepper motor 314 establishes wire feed driving wheel 310, wire feed driving wheel position coordinates with U-shaped groove location, described boss enter the upside of one end near horizontal end face be provided with arrange with the axes normal of U-shaped groove enter a hole 304, be provided with the wire vent hole 318 arranged with the axes normal of U-shaped groove near the upside of horizontal end face in wire vent one end, enter a hole to overlap with wire vent axially bored line.Rectangular shaped slot 319 is provided with in the middle of described fixation clip 303, wire feed rolls connecting hole is provided with in the two side of the rectangular shaped slot along U-shaped recess axis direction, wire feed rolls connecting hole is provided with wire feed rolls fixed axis 306, wire feed rolls fixed axis 306 is provided with wire feed rolls 307, wire feed rolls 307 is arranged in rectangular shaped slot 319, the external diameter of described wire feed rolls and axial dimension respectively with length and the width fits of rectangular shaped slot, described wire feed rolls has coordinated with wire feed driving wheel the feeding printing silk.
Wire vent guide pin bushing 309 is provided with in the outer face in wire vent hole, wire vent guide pin bushing 309 is connected by threaded engagement with boss, to silk be printed be transported to the printhead of distant position by the guiding of wire vent guide pin bushing 309, especially be applicable to material feeding mechanism and print head position remote printer far away uses.
Bottom electric machine support, be provided with flange 312, flange is provided with flange connecting hole, and flange is connected with printer upper junction plate by the bolt 311 in flange connecting hole, and printer upper junction plate is connected with three root posts.Lightening grooves 2 is provided with in the middle of the bottom of electric machine support.
The pressing plate connecting hole of vertical direction setting is provided with at fixation clip, described pressing plate connecting hole is connected by bolt 308 with support screwed hole, between bolt 308 head and fixation clip 303 upper surface, be provided with Compress Spring 313, described Compress Spring is set on bolt 308.
Described electric machine support 301 is provided with the second groove 320 in the side be connected with stepper motor 314, the output shaft side of stepper motor is stretched in the second groove, is coordinated with the second groove fit, compact conformation, reduce the extension elongation of output shaft, increase output shaft rigidity, minimizing axle are subject to the vibration after torque, increase reliable transmission, reduce the slippage problems printing silk, alleviate architecture quality simultaneously.
The printer upper junction plate of stepper motor away from bottom, output shaft one end is provided with back-up block 321, the top of back-up block contacts with the lower surface of stepper motor, by back-up block, stepper motor is supported, reduce stepper motor vibration operationally, improve wire feed reliability, ensure print quality.
By reference to the accompanying drawings the detailed description of the invention of invention is described although above-mentioned; but not limiting the scope of the invention; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (10)
1. a delta 3D printer, comprise upper support structure, lower support structure, it is characterized in that, described upper support structure comprises upper support seat, the bottom of upper support seat is connected with the support column of three uniform settings, material feeding mechanism is provided with in the middle of the upper surface of upper support seat, vertically disposed top through wires hole is provided with at the upper support seat near material feeding mechanism, material feeding mechanism comprises stepper motor, electric machine support, electric machine support is connected with upper support seat, the top of upper support seat is connected with printed material support, described support column top is provided with horizontal support block, square the 3rd aluminium section connecting pieces is provided with near centre position at horizontal support block, a right-angle side of the 3rd aluminium section connecting pieces is fixedly connected with horizontal support block, steady pin is provided with in the connecting hole of another right-angle side of the 3rd aluminium section connecting pieces, bearing is provided with at the other end of steady pin, bearing outer ring is provided with driving belt, described driving belt is connected with slide block, the vertically movement of band movable slider, slide block coordinates with the slide rail on support column, slide block is connected with ball head universal, ball head universal is connected with printing head connecting rod, described lower support structure comprise bottom fixed platform, place by the basic platform of printed product, basic platform is above fixed platform, the outside of described fixed platform is connected with the support column bottom of three uniform settings respectively, stepper motor is provided with in the upper surface of the fixed platform near support column place, the lower surface of fixed platform is connected with Switching Power Supply, the centre position, upper surface of fixed platform is connected with controller, and basic platform is connected with fixed platform by horizontal regulating structure.
2. delta as claimed in claim 1 3D printer, it is characterized in that, described material feeding mechanism comprises stepper motor, described stepper motor is connected with electric machine support, electric machine support top is connected with fixation clip, electric machine support is connected with printer upper junction plate, the centre of described electric machine support is provided with U-shaped groove, the horizontal end face of groove port both sides is provided with the support screwed hole of vertical direction, boss is upwards provided with in horizontal end face both sides, boss is provided with connecting hole on motor, connecting hole under electric machine support bottom is provided with motor, the output shaft of described stepper motor establishes wire feed driving wheel, wire feed driving wheel position coordinates with U-shaped groove location, described boss enter the upside of one end near horizontal end face be provided with arrange with the axes normal of U-shaped groove enter a hole, be provided with the wire vent hole arranged with the axes normal of U-shaped groove near the upside of horizontal end face in wire vent one end, enter a hole to overlap with wire vent axially bored line, rectangular shaped slot is provided with in the middle of described fixation clip, wire feed rolls connecting hole is provided with in the two side of the rectangular shaped slot along U-shaped recess axis direction, wire feed rolls connecting hole is provided with wire feed rolls fixed axis, wire feed rolls fixed axis is provided with wire feed rolls, wire feed rolls is arranged in rectangular shaped slot, and described wire feed rolls has coordinated with wire feed driving wheel the feeding printing silk.
3. delta as claimed in claim 2 3D printer, it is characterized in that, the outer face in described wire vent hole is provided with wire vent guide pin bushing, and wire vent guide pin bushing is connected by threaded engagement with boss; The described pressing plate connecting hole being provided with vertical direction setting at fixation clip, described pressing plate connecting hole and support screwed hole are bolted, between bolt head and fixation clip upper surface, be provided with Compress Spring, and described Compress Spring is set on bolt.
4. delta as claimed in claim 2 3D printer, it is characterized in that, flange is provided with bottom described electric machine support, flange is provided with flange connecting hole, flange is connected with printer upper junction plate by the bolt in flange connecting hole, printer upper junction plate is connected with three root posts, is provided with lightening grooves in the middle of the bottom of described electric machine support; Described electric machine support is provided with the second groove in the side be connected with stepper motor, the output shaft side of stepper motor is stretched in the second groove, is coordinated with the second groove fit, described stepper motor is provided with back-up block away from the printer upper junction plate of bottom, output shaft one end, and the top of back-up block contacts with the lower surface of stepper motor.
5. delta as claimed in claim 1 3D printer, it is characterized in that, described horizontal support block and upper support seat are bolted, and described electric machine support and upper support seat are bolted, and a right-angle side of the 3rd aluminium section connecting pieces is fixedly connected with horizontal support block by nut; Described support column, horizontal support block adopt aluminium profile structure, described horizontal support block is connected with support column by tapped section jointing part and nut, nut, the fixed block of lead limit switch is connected with support column by nut, section jointing part, and limit switch is connected with fixed block bottom.
6. delta as claimed in claim 5 3D printer, it is characterized in that, described printed material pedestal upper end face is provided with materials for support block, and materials for support block is connected with printed material support vertical, is provided with printed material locating piece at the end of materials for support block; , described printed material support, materials for support block are aluminium profile structure, and printed material support, materials for support block are connected by square first section jointing part with threaded hole and bolt; The lower end of described printed material support is connected with upper support shelf by the second right angle section jointing part with threaded hole, the vertical joint face of the second right angle section jointing part is connected with printed material support by bolt, section bar nut, and the horizontal connecting surface of the second section jointing part is connected with upper support shelf by bolt; Described printed material props up the position be set up near one of them support column, second right angle section jointing part is provided with two symmetrically, the horizontal connecting surface of one of them the second right angle section jointing part is connected with upper support shelf, horizontal support block in turn by bolt, the section bar nut screw connection in the end of bolt and horizontal support block groove.
7. delta as claimed in claim 1 3D printer, it is characterized in that, the bottom of described fixed platform is provided with lower horizontal support block, and described lower horizontal support block is connected with fixed platform, support column respectively; Described lower horizontal support block, support column are aluminium profile structure, described lower horizontal support block passes through square the 3rd aluminium section connecting pieces and bolt with the downside of support column, is connected, upside is by square the 4th aluminium section connecting pieces and bolt, connection, and fixed platform and lower horizontal support block are bolted.
8. delta as claimed in claim 7 3D printer, it is characterized in that, described stepper motor is connected with fixed platform by intermediate supports seat, described intermediate supports seat comprises the level connection joint dish be connected, vertical terminal pad, two vertical vias are provided with at level connection joint dish, four horizontal connecting hole are provided with at vertical terminal pad, be provided with motor output shaft at vertical terminal pad near centre position and stretch out hole, the bottom of level connection joint dish is connected with fixed platform upper surface, the right angle inner side end of vertical terminal pad is connected with the end face of stepper motor output shaft one end, motor power output shaft protrudingly hole to be connected with belt wheel from stretching out, belt wheel is connected with driving belt.
9. delta as claimed in claim 7 3D printer, it is characterized in that, described horizontal regulating structure comprises upper bolt, lower bolt, adjusting nut, locking nut, described upper bolt is connected with the upper end of adjusting nut through after the vertical through hole of basic platform, lower bolt is connected with the lower end of adjusting nut through after the vertical through hole of fixed platform, be provided with locking nut at the upper bolt near adjusting nut upper end, the upper bolt between locking nut upper surface and basic platform is set with Compress Spring.
10. delta as claimed in claim 7 3D printer, is characterized in that, described basic platform is laid with in the position of corresponding three support columns the boss protruding circular portion excircle part; Fixed platform, described upper support seat adopt polygonal flat panel structure.
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CN201510091551.8A CN104669624A (en) | 2015-02-28 | 2015-02-28 | Delta 3D (three-dimensional) printer |
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CN201510091551.8A CN104669624A (en) | 2015-02-28 | 2015-02-28 | Delta 3D (three-dimensional) printer |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105415683A (en) * | 2015-12-15 | 2016-03-23 | 杭州缤果信息科技有限公司 | Three-dimensional printing apparatus |
CN106142558A (en) * | 2015-08-13 | 2016-11-23 | 迈济智能科技(上海)有限公司 | The stroke decision mechanism of parallel-type three-dimensional printer and three-dimensional printer |
CN107803989A (en) * | 2017-11-12 | 2018-03-16 | 高飞 | A kind of 3D printing equipment |
NL1043229B1 (en) | 2019-04-10 | 2020-10-20 | Arnoud Koorevaar Martijn | 3d printer and support system and element therfor |
DE102023125094A1 (en) | 2022-12-31 | 2024-07-11 | Benedikt Burchard | Fast FDM printer with tripod or hexapod fine positioning and method of its operation |
-
2015
- 2015-02-28 CN CN201510091551.8A patent/CN104669624A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106142558A (en) * | 2015-08-13 | 2016-11-23 | 迈济智能科技(上海)有限公司 | The stroke decision mechanism of parallel-type three-dimensional printer and three-dimensional printer |
CN105415683A (en) * | 2015-12-15 | 2016-03-23 | 杭州缤果信息科技有限公司 | Three-dimensional printing apparatus |
CN107803989A (en) * | 2017-11-12 | 2018-03-16 | 高飞 | A kind of 3D printing equipment |
NL1043229B1 (en) | 2019-04-10 | 2020-10-20 | Arnoud Koorevaar Martijn | 3d printer and support system and element therfor |
DE102023125094A1 (en) | 2022-12-31 | 2024-07-11 | Benedikt Burchard | Fast FDM printer with tripod or hexapod fine positioning and method of its operation |
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