CN104608389A - Bottom support structure for delta 3D printer - Google Patents

Bottom support structure for delta 3D printer Download PDF

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Publication number
CN104608389A
CN104608389A CN201510091527.4A CN201510091527A CN104608389A CN 104608389 A CN104608389 A CN 104608389A CN 201510091527 A CN201510091527 A CN 201510091527A CN 104608389 A CN104608389 A CN 104608389A
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China
Prior art keywords
fixed platform
platform
delta
bolt
printer
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Granted
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CN201510091527.4A
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Chinese (zh)
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CN104608389B (en
Inventor
隗德民
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University of Jinan
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University of Jinan
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Priority to CN201510091527.4A priority Critical patent/CN104608389B/en
Publication of CN104608389A publication Critical patent/CN104608389A/en
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Publication of CN104608389B publication Critical patent/CN104608389B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention discloses a bottom support structure for a delta 3D printer. The bottom support structure comprises a lower fixed platform and a basic platform for placing a printed product, wherein the basic platform is above the fixed platform; the outer side of the fixed platform is connected with the lower parts of three support columns which are uniformly distributed respectively; a stepper motor is arranged on the upper end surface close to the support columns, of the fixed platform; the lower end surface of the fixed platform is connected with a switch power supply; the middle position of the upper end surface of the fixed platform is connected with a controller; the basic platform is connected with the fixed platform through a horizontal adjustment structure. The bottom support structure disclosed by the invention is compact, small in size, low in gravity centre, high in strength, good in rigidity, convenient to install and detach, and convenient to carry and transport, easily ensures the manufacturing accuracy of products, and is widely applied to a small 3D printer.

Description

Delta 3D printer lower support structure
Technical field
The present invention relates to 3D printer technology field, particularly relate to a kind of delta 3D printer lower support structure.
Background technology
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.
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 lower support structure; Compact conformation of the present invention, volume are little, center of gravity is low, and main connecting elements adopts profile structure, and intensity is high, good rigidly, 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 by bolt, connecting hole with fixed platform, and fixed platform and controller are bolted, and makes full use of the space of bottom, reduce the height of complete machine, reduce machine gravity, vibration please, 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 lower support structure, comprise the fixed platform of bottom, 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.
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 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 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, and 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 adopts polygonal flat panel structure.
Described Switching Power Supply is connected by bolt, connecting hole with fixed platform, and fixed platform and controller are bolted.
Beneficial effect of the present invention:
Compact conformation of the present invention, volume are little, center of gravity is low, and main connecting elements adopts profile structure, and intensity is high, good rigidly, 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 by bolt, connecting hole with fixed platform, and fixed platform and controller are bolted, and makes full use of the space of bottom, reduce the height of complete machine, reduce machine gravity, vibration please, work is more steady, more easily ensures the accuracy of manufacture of product.
2. 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.
3. 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.
4. 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 the horizontal accuracy of basic platform, ensure by the size of printed product and position precision.
5. 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.
6. in the printer fixed platform of stepper motor away from bottom, output shaft one end, be 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. 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.
Accompanying drawing explanation
Fig. 1 is the structural representation of invention;
Fig. 2 is the top view removed after basic platform of Fig. 1;
Platform structure schematic diagram based on Fig. 3;
Fig. 4 is the upward view of Fig. 1;
Fig. 5 is intermediate supports holder structure schematic diagram;
Fig. 6 is the echelon sectional view of Fig. 5.
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 Figures 1 to 6, a kind of delta 3D printer lower support structure, comprise the fixed platform 2 of bottom, place by the basic platform 1 of printed product, basic platform 1 is above fixed platform 2, the outside of described fixed platform 2 is connected with support column 8 bottom of three uniform settings respectively, stepper motor 5 is provided with in the upper surface of the fixed platform 2 near support column 8 place, the lower surface of fixed platform 2 is connected with Switching Power Supply 4, the centre position, upper surface of fixed platform 22 is connected with controller 3, and basic platform 1 is connected with fixed platform 2 by horizontal regulating structure.
Described Switching Power Supply 4 is connected by bolt 22, connecting hole 24 with fixed platform 2, and fixed platform 2 is connected by bolt 10 with controller 3.
The bottom of described fixed platform 2 is provided with lower horizontal support block 7, and described lower horizontal support block 7 is connected with fixed platform 2, support column 8 respectively.Described lower horizontal support block 7, support column 8 are aluminium profile structure, described lower horizontal support block 7 is connected by square the 3rd aluminium section connecting pieces 20 and bolt 19,21 with the downside of support column 8, upside is connected by square the 4th aluminium section connecting pieces 17 and bolt 9,16, and fixed platform 2 and lower horizontal support block 7 are bolted.
Described stepper motor 5 is connected with fixed platform 2 by intermediate supports seat 6, described intermediate supports seat 6 comprises the level connection joint dish 61 be connected, vertical terminal pad 62, two vertical vias 63 are provided with at level connection joint dish 61, four horizontal connecting hole 64 are provided with at vertical terminal pad 62, be provided with motor output shaft at vertical terminal pad 62 near centre position and stretch out hole 65, the bottom of level connection joint dish 61 is connected with fixed platform 2 upper surface, the right angle inner side end of vertical terminal pad 62 is connected with the end face of stepper motor output shaft one end, motor power output shaft protrudingly hole 65 to be connected with belt wheel 15 from stretching out, belt wheel 15 is connected with driving belt 18, described driving belt 18 is connected with slide block, the vertically movement of band movable slider, slide block coordinates with the slide rail on support column 8, slide block is connected with ball head universal, ball head universal is connected with printing head connecting rod upper end, printing head connecting rod lower end is connected by universal joint with printing head 19.
Described horizontal regulating structure comprises upper bolt 14, lower bolt 23, adjusting nut 25, locking nut 11, described upper bolt 14 is connected with the upper end of adjusting nut 25 through after the vertical through hole of basic platform 1, and lower bolt 23 is connected with the lower end of adjusting nut 25 through after the vertical through hole of fixed platform 2.Be provided with locking nut 11 at the upper bolt 14 near adjusting nut 25 upper end, the upper bolt 14 between locking nut 11 upper surface and basic platform 1 is set with Compress Spring 12.
Described basic platform 1 is laid with in the position of corresponding three support columns 8 boss 26 protruding circular portion excircle part 27.Fixed platform 2 adopts polygonal flat panel structure.
The printer fixed platform 2 of stepper motor away from bottom, output shaft one end is provided with back-up block 50, the top of back-up block 50 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 (9)

1. a delta 3D printer lower support structure, it is characterized in that, comprise the fixed platform of bottom, 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 lower support structure, 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.
3. delta as claimed in claim 2 3D printer lower support structure, it is characterized in that, 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.
4. delta as claimed in claim 1 3D printer lower support structure, 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, 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.
5. delta as claimed in claim 1 3D printer lower support structure, 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, and lower bolt is connected with the lower end of adjusting nut through after the vertical through hole of fixed platform.
6. delta as claimed in claim 1 3D printer lower support structure, is characterized in that, 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.
7. delta as claimed in claim 1 3D printer lower support structure, 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.
8. delta as claimed in claim 1 3D printer lower support structure, is characterized in that, fixed platform adopts polygonal flat panel structure.
9. delta as claimed in claim 1 3D printer lower support structure, it is characterized in that, described Switching Power Supply is connected by bolt, connecting hole with fixed platform, and fixed platform and controller are bolted.
CN201510091527.4A 2015-02-28 2015-02-28 Bottom support structure for delta 3D printer Expired - Fee Related CN104608389B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106476278A (en) * 2015-08-28 2017-03-08 东友科技股份有限公司 Print platform adjustment system and its adjusting process
US9803800B2 (en) 2015-12-15 2017-10-31 National Taipei University Of Technology Displacement mechanism
CN110687900A (en) * 2019-10-31 2020-01-14 威斯坦(厦门)实业有限公司 Aging rack system for automatically detecting 3D main controller

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130287933A1 (en) * 2012-04-25 2013-10-31 Pierre J. Kaiser Three-dimensional (3d) printing
CN103862679A (en) * 2014-03-26 2014-06-18 朱兴建 3d printer
CN203805326U (en) * 2014-04-18 2014-09-03 岳阳巅峰电子科技有限责任公司 Wire feeding system of 3D (Three Dimensional) printer based on FDM (Frequency-Division Multiplexing) technology
CN204566694U (en) * 2015-02-28 2015-08-19 济南大学 Delta 3D printer lower support structure

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130287933A1 (en) * 2012-04-25 2013-10-31 Pierre J. Kaiser Three-dimensional (3d) printing
CN103862679A (en) * 2014-03-26 2014-06-18 朱兴建 3d printer
CN203805326U (en) * 2014-04-18 2014-09-03 岳阳巅峰电子科技有限责任公司 Wire feeding system of 3D (Three Dimensional) printer based on FDM (Frequency-Division Multiplexing) technology
CN204566694U (en) * 2015-02-28 2015-08-19 济南大学 Delta 3D printer lower support structure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106476278A (en) * 2015-08-28 2017-03-08 东友科技股份有限公司 Print platform adjustment system and its adjusting process
US9803800B2 (en) 2015-12-15 2017-10-31 National Taipei University Of Technology Displacement mechanism
CN110687900A (en) * 2019-10-31 2020-01-14 威斯坦(厦门)实业有限公司 Aging rack system for automatically detecting 3D main controller

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