CN207449148U - A kind of parallel arm 3D printer - Google Patents
A kind of parallel arm 3D printer Download PDFInfo
- Publication number
- CN207449148U CN207449148U CN201621381537.8U CN201621381537U CN207449148U CN 207449148 U CN207449148 U CN 207449148U CN 201621381537 U CN201621381537 U CN 201621381537U CN 207449148 U CN207449148 U CN 207449148U
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- CN
- China
- Prior art keywords
- synchronous belt
- sliding block
- connecting rod
- print head
- parallel arm
- Prior art date
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- 230000001360 synchronised Effects 0.000 claims abstract description 41
- 239000000463 material Substances 0.000 claims abstract description 32
- 238000007639 printing Methods 0.000 claims abstract description 13
- 238000004804 winding Methods 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims description 23
- 238000010257 thawing Methods 0.000 claims description 4
- 230000001276 controlling effect Effects 0.000 claims description 3
- 230000000875 corresponding Effects 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 238000010009 beating Methods 0.000 claims 1
- 230000001131 transforming Effects 0.000 abstract description 3
- 238000010146 3D printing Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000003028 elevating Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 210000001367 Arteries Anatomy 0.000 description 2
- 210000003462 Veins Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Abstract
The utility model discloses a kind of parallel arm 3D printer, which includes pedestal, three columns, three parallel arms, material cover, printed material, extruder, three guide rail slide block components, print heads.The dynamics that the utility model makes synchronous belt that sliding block be pulled to be moved on linear slide rail by transforming the winding mode of synchronous belt on sliding block halves to be reduced so as to the output torque of stepper motor, the increasing of stepper motor revolution is twice so as to the umber of pulse of encoder to increase, Collaborative Control is carried out to three stepper motors by using the control mode of rotating speed and current phasor semiclosed loop, the printing precision that can be effectively improved is reduced and controlled caused by surprisingly losing step not precisely.
Description
Technical field
The utility model is related to 3D printing apparatus fields, and in particular to a kind of parallel arm 3D printer.
Background technology
3D printing technique has been subjected to nearly 40 years development courses, wherein the technology based on fusion sediment (FDM) is in mesh
The technology being most widely used in former big 3D printing techniques.Because the cost of the technology is low, for printing material extensively etc.
Aspect, the 3D printing technique based on FDM are able to apply in all trades and professions, can almost apply any row in manufacturing industry
Industry.Its operation principle is to generate 3D entities by successively increasing material, when carrying out 3D printing, first by computer by setting
The modes such as meter, scanning obtain the threedimensional model of object to be printed, then carry out model slice processing by computer, afterwards by G code
It imported into printer, printer will carry out printer model by the path specified, and finally complete the moulding of volumetric body model, most
Printing is completed eventually.
In order to improve the precision of printing, someone starts with from the elevating mechanism of printer, it is proposed that high-precision 3D printers
Elevating mechanism.But this high-precision elevating mechanism is complicated.The utility model is to devise one kind, simple in structure, is carried
The structure of the printing precision of high printer.
All it is the control of open loop in printer control currently on the market, the link do not fed back in flying print, walks
Stepper motor easily loses step.Also, parallel arm 3D printer needs three motors to drive three slide block movements, the output of three sliding blocks
It can realize the translation of moving platform, existing three motors are to send instruction by chip, independent to three by driving chip
A motor sends pulse command.The utility model is in order in flying print, keep high printing precision, it is proposed that three motors
A kind of parallel arm 3D printer of the half-closed loop control to cooperate.
Utility model content
In view of this, in order to solve the above problem of the prior art, the utility model proposes a kind of parallel arm 3D printings
Machine.
The utility model is solved the above problems by following technological means：
A kind of parallel arm 3D printer, including pedestal, three columns, three parallel arms, material cover, printed material, extrusion
Machine, three guide rail slide block components, print heads；
The pedestal is located at the bottom of parallel arm 3D printer, for the mounting seat as complete machine；
Three columns are symmetrical in 120 °, for the installation pedestal as guide rail slide block component；
The parallel arm includes first connecting rod, second connecting rod, and first connecting rod does not intersect with second connecting rod not to be contacted with each other；
One end of the first connecting rod is separately mounted to the sliding block of corresponding guide rail slide block component with one end of second connecting rod
The left and right sides, the other end of first connecting rod and the other end of second connecting rod are adjacent to installation and form a printing on the print head
Head parallel arm installation point；
Three print head parallel arm installation points are symmetrical in 120 ° on the print head；
The material cover is mounted on the top of parallel arm 3D printer, for covering printed material with extruder to meet
Ergonomics；
The printed material is mounted on the centre position of three column tops, melts for passing through extruder with print head
Printing shaping after change；
The extruder is mounted on printed material next door, for pushing material into print head；
Each guide rail slide block component is separately mounted on three columns, for parallel arm to be driven to move print head；
The print head is mounted on the other end of first connecting rod and second connecting rod, after melting printed material and making thawing
Printed material outflow print head.
Further, pedestal is equipped with control panel, display panel；
The control panel is mounted on chassis interior, for controlling or detecting stepper motor and communicate with display panel；
The display panel is mounted on base outer surface, for showing and inputting complete machine items control parameter.
Further, the guide rail slide block component includes motor cabinet, stepper motor, the first synchronizing wheel, the first fixation synchronously
Band screw, sliding block mounting blocks, sliding block, the first movable pulley, the second synchronizing wheel, second fix synchronous belt screw, the second movable pulley, line
Property slide, synchronous belt；
The motor cabinet is mounted in pedestal, for providing installation pedestal to stepper motor；
The stepper motor is mounted on motor cabinet, for the first synchronizing wheel to be driven to rotate；
First synchronizing wheel is mounted on the axis of stepper motor, for passing through own rotation to drive synchronous belt；
Described first, which fixes synchronous belt screw, is mounted on column lower part, for one end of synchronous belt to be fixed on column；
The sliding block mounting blocks are mounted on linear slide rail, for providing installation pedestal to sliding block；
The sliding block is mounted on sliding block mounting blocks, for providing installation base to the first movable pulley and the second movable pulley
Seat；
First movable pulley is mounted on sliding block, and being used for band movable slider according to pulley blocks principle moves down；
Second synchronizing wheel is mounted on column top, for the fixed pulley as synchronous belt；
The fixed synchronous belt screw is mounted on column top, for the other end of synchronous belt to be fixed on column；
Second movable pulley is mounted on sliding block, and being used for band movable slider according to pulley blocks principle moves up；
Linear slide rail is mounted on column, for providing installation guide rail to sliding block mounting blocks；
The synchronous belt is wrapped in first movable pulley, the second movable pulley, first synchronously by specific winding mode
It fixes on wheel, the second synchronizing wheel and by the first fixation synchronous belt screw, the second fixation synchronous belt screw, pacifies for band movable slider
Dress block moves on linear slide rail.
The utility model makes synchronous belt pull sliding block on linear slide rail by transforming the winding mode of synchronous belt on sliding block
Mobile dynamics halves to be reduced so as to the output torque of stepper motor, and the increasing of stepper motor revolution is made to be twice the arteries and veins so as to encoder
Number increase is rushed, Collaborative Control is carried out to three stepper motors by using the control mode of rotating speed and current phasor semiclosed loop, it can
With the printing precision effectively improved, reduce and controlled caused by surprisingly losing step not precisely.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of stereoscopic schematic diagram of parallel arm 3D printer of the utility model；
Fig. 2 is a kind of structure diagram of the guide rail slide block component of parallel arm 3D printer of the utility model.
Specific embodiment
To enable the above-mentioned purpose of the utility model, feature and advantage more obvious understandable, below in conjunction with attached drawing and
The technical solution of the utility model is described in detail in specific embodiment.It is pointed out that described embodiment is only
Only it is the utility model part of the embodiment, instead of all the embodiments, based on the embodiment in the utility model, this field
Those of ordinary skill's all other embodiments obtained without making creative work, belong to the utility model
The scope of protection.
As shown in Figure 1 and Figure 2, a kind of parallel arm 3D printer includes pedestal 21, three 22, three, column parallel arm 23, material
Material cover 24, printed material 25, extruder 26, three guide rail slide block components 27, print heads 28；
The pedestal 21 is located at the bottom of parallel arm 3D printer, for the mounting seat as complete machine；
Three columns 22 are symmetrical in 120 °, for the installation pedestal as guide rail slide block component 27；
The parallel arm 23 includes first connecting rod 5, second connecting rod 14, and first connecting rod 5 does not intersect not phase with second connecting rod 14
Mutually contact；
Described 5 one end of first connecting rod is separately mounted to the cunning of corresponding guide rail slide block component 27 with 14 one end of second connecting rod
The left and right sides of block, 5 other end of first connecting rod are adjacent on print head 28 with 14 other end of second connecting rod and form one
Print head parallel arm installation point；
Three print head parallel arm installation points are symmetrical in 120 ° on print head 28；
The material cover 24 is mounted on the top of parallel arm 3D printer, for covering printed material and 25 extruders 26
To meet ergonomics；
The printed material 25 is mounted on the centre position on three 22 tops of column, for pass through extruder 26 with
Printing shaping after print head 28 melts；
The extruder 26 is mounted on 25 next door of printed material, for pushing material into print head；
Each guide rail slide block component 27 is separately mounted on three columns 22, for parallel arm 23 to be driven to move print head 28
It is dynamic；
The print head 28 is mounted on the other end of first connecting rod 5 and second connecting rod 14, for melting printed material 25 simultaneously
The printed material after thawing 25 is made to flow out print head 28；
The pedestal 21 is equipped with control panel, display panel；
The control panel is mounted on inside pedestal 21, for controlling or detecting stepper motor and communicate with display panel；
The display panel is mounted on 21 outer surface of pedestal, for showing and inputting complete machine items control parameter；
Any one guide rail slide block component 27 as described above, including motor cabinet 1, stepper motor 2, the first synchronizing wheel 3,
One, which fixes synchronous belt screw 4, sliding block mounting blocks 6, sliding block 7, the first movable pulley 11, the second synchronizing wheel 8, second, fixes synchronous belt spiral shell
Follow closely the 9, second movable pulley 10, linear slide rail 12, synchronous belt 13；
The motor cabinet 1 is mounted in pedestal 21, for providing installation pedestal to stepper motor 2；
The stepper motor 2 is mounted on motor cabinet 1, for the first synchronizing wheel 3 to be driven to rotate；
First synchronizing wheel 3 is mounted on the axis of stepper motor 2, for passing through own rotation to drive synchronous belt 13；
Described first, which fixes synchronous belt screw 4, is mounted on 22 lower part of column, vertical for one end of synchronous belt 13 to be fixed on
Column 22；
The sliding block mounting blocks 6 are mounted on linear slide rail 12, for providing installation pedestal to sliding block 7；
The sliding block 7 is mounted on sliding block mounting blocks 6, for being carried to the first movable pulley 11 with the second movable pulley 10
For installation pedestal；
First movable pulley 11 is mounted on sliding block 7, and being used for band movable slider according to pulley blocks principle moves down；
Second synchronizing wheel 8 is mounted on 22 top of column, for the fixed pulley as synchronous belt 13；
The fixed synchronous belt screw 9 is mounted on 22 top of column, for the other end of synchronous belt 13 to be fixed on column
22；
Second movable pulley 10 is mounted on sliding block 7, and being used for band movable slider according to pulley blocks principle moves up；
The linear slide rail 12 is mounted on column 22, for providing installation guide rail to sliding block mounting blocks 6；
The synchronous belt 13 is wrapped in first movable pulley 11, the second movable pulley 10, by specific winding mode
It in one synchronizing wheel 3, the second synchronizing wheel 8 and fixes synchronous belt screw 9 by the first fixation synchronous belt screw 4, second to fix, be used for
Band movable slider mounting blocks 6 move on linear slide rail 12.
The utility model makes synchronous belt pull sliding block on linear slide rail by transforming the winding mode of synchronous belt on sliding block
Mobile dynamics halves to be reduced so as to the output torque of stepper motor, and the increasing of stepper motor revolution is made to be twice the arteries and veins so as to encoder
Number increase is rushed, Collaborative Control is carried out to three stepper motors by using the control mode of rotating speed and current phasor semiclosed loop, it can
With the printing precision effectively improved, reduce and controlled caused by surprisingly losing step not precisely.
Embodiment described above only expresses the several embodiments of the utility model, and description is more specific and detailed,
But it should not be interpreted as limiting the scope of the present invention.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (3)
1. a kind of parallel arm 3D printer, which is characterized in that including pedestal, three columns, three parallel arms, material cover, printing
Material, extruder, three guide rail slide block components and print head；
The pedestal is located at the bottom of parallel arm 3D printer, for the mounting seat as complete machine；
Three columns are symmetrical in 120 °, for the installation pedestal as guide rail slide block component；
The parallel arm includes first connecting rod, second connecting rod, and first connecting rod does not intersect with second connecting rod not to be contacted with each other；
One end of the first connecting rod is separately mounted to a left side for the sliding block of corresponding guide rail slide block component with one end of second connecting rod
Right both sides, the other end of first connecting rod and the other end of second connecting rod are adjacent to installation and form a print head simultaneously on the print head
Joint arm installation point；
Three print head parallel arm installation points are symmetrical in 120 ° on the print head；
The material cover is mounted on the top of parallel arm 3D printer, for covering printed material and extruder to meet human body
Engineering；
The printed material is mounted on the centre position of three column tops, after passing through extruder and print head thawing
Printing shaping；
The extruder is mounted on printed material next door, for pushing material into print head；
Each guide rail slide block component is separately mounted on three columns, for parallel arm to be driven to move print head；
The print head is mounted on the other end of first connecting rod and second connecting rod, for melting printed material and making beating after thawing
Print material outflow print head.
2. parallel arm 3D printer according to claim 1, which is characterized in that pedestal is equipped with control panel and display panel；
The control panel is mounted on chassis interior, for controlling or detecting stepper motor and communicate with display panel；
The display panel is mounted on base outer surface, for showing and inputting complete machine items control parameter.
3. parallel arm 3D printer according to claim 1, which is characterized in that the guide rail slide block component includes motor
Seat, stepper motor, the first synchronizing wheel, first fix synchronous belt screw, sliding block mounting blocks, sliding block, the first movable pulley, second synchronously
Wheel, second fix synchronous belt screw, the second movable pulley, linear slide rail and synchronous belt；
The motor cabinet is mounted in pedestal, for providing installation pedestal to stepper motor；
The stepper motor is mounted on motor cabinet, for the first synchronizing wheel to be driven to rotate；
First synchronizing wheel is mounted on the axis of stepper motor, for passing through own rotation to drive synchronous belt；
Described first, which fixes synchronous belt screw, is mounted on column lower part, for one end of synchronous belt to be fixed on column；
The sliding block mounting blocks are mounted on linear slide rail, for providing installation pedestal to sliding block；
The sliding block is mounted on sliding block mounting blocks, for providing installation pedestal to the first movable pulley and the second movable pulley；
First movable pulley is mounted on sliding block, and being used for band movable slider according to pulley blocks principle moves down；
Second synchronizing wheel is mounted on column top, for the fixed pulley as synchronous belt；
The fixed synchronous belt screw is mounted on column top, for the other end of synchronous belt to be fixed on column；
Second movable pulley is mounted on sliding block, and being used for band movable slider according to pulley blocks principle moves up；
The linear slide rail is mounted on column, for providing installation guide rail to sliding block mounting blocks；
The synchronous belt is wrapped in first movable pulley, the second movable pulley, the first synchronizing wheel, by specific winding mode
It is fixed in two synchronizing wheels and by the first fixation synchronous belt screw, the second fixation synchronous belt screw, for band movable slider mounting blocks
It is moved on linear slide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621381537.8U CN207449148U (en) | 2016-12-15 | 2016-12-15 | A kind of parallel arm 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621381537.8U CN207449148U (en) | 2016-12-15 | 2016-12-15 | A kind of parallel arm 3D printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207449148U true CN207449148U (en) | 2018-06-05 |
Family
ID=62245655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621381537.8U Active CN207449148U (en) | 2016-12-15 | 2016-12-15 | A kind of parallel arm 3D printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207449148U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109482887A (en) * | 2019-01-23 | 2019-03-19 | 北京工业大学 | A kind of metal paste extruded type metal 3D printer |
-
2016
- 2016-12-15 CN CN201621381537.8U patent/CN207449148U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109482887A (en) * | 2019-01-23 | 2019-03-19 | 北京工业大学 | A kind of metal paste extruded type metal 3D printer |
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