CN109304860A - A kind of 3D printer based on cylindrical-coordinate system - Google Patents
A kind of 3D printer based on cylindrical-coordinate system Download PDFInfo
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- CN109304860A CN109304860A CN201811057208.1A CN201811057208A CN109304860A CN 109304860 A CN109304860 A CN 109304860A CN 201811057208 A CN201811057208 A CN 201811057208A CN 109304860 A CN109304860 A CN 109304860A
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/205—Means for applying layers
- B29C64/209—Heads; Nozzles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/227—Driving means
- B29C64/232—Driving means for motion along the axis orthogonal to the plane of a layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/227—Driving means
- B29C64/241—Driving means for rotary motion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
Abstract
The invention discloses a kind of 3D printer based on cylindrical-coordinate system, including annular module, head module goes up and down module, main body frame and printer cover；The annular module is slidably matched by the support column of linear bearing and the main body frame, and the annular module mentions frame by lifting and the lifting module is connected, and the lifting module is connected by the lifting driving motor and main body frame being fixed on top cover；Under cylindrical-coordinate system, the head module carries out rotate in a circumferential direction movement, radial alignment movement and axial elevating movement, the movement that wherein rotates in a circumferential direction is completed by the rotation driving slider-actuated of the annular module, radial alignment is moved to drive with the radial active module of the annular module and radial slave module and be completed, and axial elevating movement is completed by the lifting module drive.3D printer of the present invention has the characteristics which has a compact structure and a reasonable design, small in size, print range is relatively large, and stability and printing precision are higher.
Description
Technical field
The present invention relates to 3D printing field more particularly to a kind of 3D printers based on cylindrical-coordinate system.
Background technique
The emerging technology of 3D printing technique in recent years, is mainly used in industrial design field, generally by computer at present
Autocad establishes model, then model is presented by increasing material printing technique, and can be realized tradition machinery processing technology can not
The shape processing of forming.
Current 3D printer is mainly based upon the arm-type printer and parallel arm of tri- direction the XYZ movement of cartesian coordinate system
Structure printer, such mechanism need three sets of drivings and carriage, and shared volume is larger, and print range is relatively small, and
Biggish additional dynamic load can be generated during reciprocal printing leads to part fatigue rupture, the decline of mechanism overall stability,
And then influence printing precision.
Summary of the invention
That it is an object of that present invention to provide a kind of mechanisms is more compact, motion mode is more stable based on cylindrical-coordinate system
3D printer.
To achieve the above object, use following technical scheme: printer of the present invention includes annular module, Nozzle At The Ingot Mold
Block, lifting module, main body frame and outer cover；The main body frame is made of top cover, support column, interstage sleeve, pedestal；Support column and top
Bolumn cap interference fit, the post holes interference fit of support column and pedestal of lid；Interstage sleeve penetrate support column and with its transition fit, interstage sleeve
It is contacted with base upper surface, the presence of interstage sleeve can prevent from being surprisingly broken rear support rotation driving sliding block, Jin Erzhi when transmission rope
Support entire annular module, it is therefore prevented that head module collides with pedestal；The annular module mentions frame and lifting mould by lifting
Block is connected；Annular module is slidably matched by the support column of linear bearing and main body frame；Head module is sliding by spray head elevator
Bar and the radial drive coordination band of annular module are connected；Lifting module lower end mentions frame by lifting and ring-shaped platform frame is connected,
Module upper end is gone up and down to be connected by the top cover of lifting driving motor and main body frame.
Further, the annular module includes rotation driving sliding block and ring-shaped platform；Rotation driving sliding block and annular flat
Platform engages connection with rotation driving wheel by ring-shaped synchronous belt, is cooperated by this engagement, and rotation driving sliding block is to ring-shaped platform
It carries out circumferentially positioned and rotation driving is carried out to it, inertia load can be reduced to a certain extent by carrying out driving in this way
Lotus improves stability and printing precision that printer back and forth prints；Ring-shaped platform outer upper surface and rotation driving shoe contact
Cooperation, is engaged by this, and ring-shaped platform provides upward holding power to rotation driving sliding block, and the rotation of printer is driven
The driving of dynamic and radial alignment, which is integrated into an annular module, can make printer arrangement more compact, and opposite print range is more
Greatly.
Further, the rotation driving sliding block includes slider frame, linear bearing, rotation driving wheel and rotation driving electricity
Machine；Linear bearing and the bearing hole of slider frame two sides are interference fitted, and the support column of linear bearing and main body frame is slidably matched, can
So that entire annular module has lesser resistance in lifting, sport efficiency and lifting position precision are improved.
Further, the slider frame left and right ends are equipped with bearing hole and linear bearing and cooperate, the hole on top be used for across
The motor shaft of rotary drive motor, upper end have arc gap to prevent interference ring-shaped platform from making rotating motion, and lower end is not corresponding
Notch is supported ring-shaped platform.
Further, the ring-shaped platform includes ring-shaped platform frame, ring-shaped synchronous belt, radial slave module and radial master
Dynamic model block；Ring-shaped synchronous belt is adjacent to, is connected on the outside of ring-shaped platform frame；Radial slave module and radial active module are solid respectively
It is scheduled on ring-shaped platform frame, radial slave module connects into one and engaging with same root synchronous belt with radial active module
It is whole.
Further, the ring-shaped platform chassis body is an endless metal frame and is equipped with crossbeam, ring in diametrical position
Shape metal frame outer surface is evenly distributed with threaded hole for connecting with ring-shaped synchronous belt, and it is radial groove that, which there is an open slot in crossbeam side,
Radial groove length is more than ring-shaped platform frame radius length, and in the radial groove other side, there are motor racks, solid on motor rack
Sizing is to driving motor.
Further, the head module includes spray head elevator slide bar, spray head discharging driving motor, spray head chamber lid, spray head
Cavity and feeding spiro rod；Spray head elevator sliding block top and radial drive coordination band are connected；The bar shoulder frame of spray head elevator sliding block is in ring
The radial groove both ends of shape platform framework, such structure type are undertaken the weight of head module by ring-shaped platform frame,
Avoiding causes radial drive coordination band sagging or is broken since head module is overweight；The bar lower end of spray head elevator sliding block passes through
The radial groove of ring-shaped platform frame is threadedly coupled with spray head chamber lid；Spray head chamber lid is threadedly coupled with spray head cavity；Spray head discharging
Driving motor and spray head chamber lid are connected, and the motor output shaft and spray head feeding spiro rod of spray head discharging machine are keyed, spray head feeding
Screw rod itself has heating function, can melt printing consumables and be rotated by helical blade and be released.
Further, the lifting module includes that lifting mentions frame, plane bearing retainer, plane bearing, transmission rope, turntable and liter
Driving motor drops；Lifting mentions frame lower end and is bolted with ring-shaped platform frame；One end of transmission rope passes through lifting and mentions frame top
It is connected again with plane bearing retainer after the centre bore and plane axis at end, the lower surface of plane bearing and plane bearing retainer be connected, upper table
Face and lifting mention frame top and are connected, and such structure type application plane bearing has separated annular module and gone up and down the circumferential direction of module
Movement is avoided since the rotation of annular module drives torque drive rope that transmission rope internal stress is made to increase or twist off；Transmission
The other end and turntable of rope are connected, and can be coiled transmission rope by the rotation of turntable, and then promote the height of annular module；Turntable
With lifting driving motor key connection.
Further, the outer cover includes overhead guard and side cover；Overhead guard upper end is circular arc camber, and lower end is tangent with curved surface
One end cylinder, there are electric source line interfaces for cylinder side；Side cover shape is the curved surface of multistage curve combination rotational forming, side cover upper end
With overhead guard smoothness transition, side cover lower end and base engagement.
Compared with prior art, the present invention has the advantage that it is small in size, print range is relatively large, and use cylinder
Coordinate system mode, which moves, to be printed, and stability and printing precision are higher.
Detailed description of the invention
Fig. 1 is schematic three dimensional views of the invention；
Fig. 2 is agent structure schematic diagram of the invention；
Fig. 3 is the annular module structural schematic diagram in the present invention；
Fig. 4 is that the rotation in the present invention drives slide block structure schematic diagram；
Fig. 5 is the slider frame structural schematic diagram in the present invention；
Fig. 6 is the ring-shaped platform structural schematic diagram in the present invention；
Fig. 7 is the ring-shaped platform circuit theory schematic diagram in the present invention；
Fig. 8 is the radial slave module structural schematic diagram in the present invention；
Fig. 9 is the radial active modular structure schematic diagram in the present invention；
Figure 10 is that the head module and ring-shaped platform in the present invention cooperate schematic diagram；
Figure 11 is the head module structural schematic diagram in the present invention；
Figure 12 is that the lifting module and ring-shaped platform in the present invention cooperate schematic diagram；
Figure 13 is that the main body frame and lifting module in the present invention cooperate schematic diagram；
Figure 14 is the capping top view in the present invention；
Figure 15 is the top cover side sectional view in the present invention；
Figure 16 is the base vertical view in the present invention；
Figure 17 is the base side cross-sectional view in the present invention；
Figure 18 is the printer cover schematic diagram in the present invention.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing:
In as shown in Figure 1, primary structure of the present invention includes annular module 1, and head module 2 goes up and down module 3, main body frame 4
With printer cover 5, wherein annular module 1 can complete rotate in a circumferential direction driving and the radial alignment to printer head module 2
Driving, lifting module 3 can complete the driving of the lifting to printer head module 2, and head module 2 can uniformly spray printing consumption
Material, which is realized, increases material molding, the function that main body frame 4 plays support other component as the rack of printer, keeps overall structure stable
Can, printer cover 5 can protect workpiece not polluted by external impurities during increasing material is molding, also avoid that safe thing occurs
Therefore.
Specifically, it is described below in conjunction with structure and principle of the attached drawing to the 3D printer based on cylindrical-coordinate system.
Fig. 2 shows the cooperation side between the arrangement and component of the main component of the 3D printer based on cylindrical-coordinate system
Formula, main component have annular module 1, and head module 2, goes up and down module 3 and main body frame 4, annular module 1 pass through linear bearing
112 are slidably matched with the support column 42 of main body frame 4, and annular module 1 mentions frame 31 by lifting and lifting module 3 is connected, lifting
Module 3 is connected by the lifting driving motor 36 and main body frame being fixed on top cover 41.
Fig. 3 shows the specific structure of annular module 1, and annular module 1 includes rotation driving sliding block 11 and ring-shaped platform
12, rotation driving sliding block 11 is engaged with rotation driving wheel 113 by ring-shaped synchronous belt 122 with ring-shaped platform 12 and is connect, and passes through this
Kind engagement cooperation, rotation driving sliding block 11 carries out circumferentially positioned and carries out rotation driving to it to ring-shaped platform 12, with such
Mode carries out driving can reduce inertial load to a certain extent, improve stability and printing essence that printer back and forth prints
Degree, 12 outer upper surface of ring-shaped platform are engaged with rotation driving sliding block 11, are engaged by this, ring-shaped platform 12 is right
Rotation driving sliding block 11 provides upward holding power, and the rotation driving and radial alignment driving by printer are integrated into an annular
Printer organization can be made more compact in module 1, opposite print range is bigger.
Fig. 4 shows the specific structure of rotation driving sliding block 11, comprising: slider frame 111, linear bearing 112, rotation are driven
Driving wheel 113 and rotary drive motor 114, wherein linear bearing 112 and the bearing hole of 111 two sides of slider frame are interference fitted, straight line
Bearing 112 and the support column 42 of main body frame 4 are slidably matched, and entire annular module can be made to have lesser resistance in lifting,
Sport efficiency and lifting position precision are improved, rotary drive motor 114 is connected in the upper end center position of slider frame 111 by screw
Set, the motor shaft of rotary drive motor 114 pass through the motor axis hole that 111 upper end of slider frame is reserved and be located at it is immediately below it,
Rotation driving wheel 113 between 111 upper and lower side of slider frame, which is connected by key, to be cooperated, and driving wheel 113 and sliding block are rotated
111 upper and lower side clearance fit of frame；
Fig. 5 shows the concrete shape of slider frame 111, and the hole of the left and right ends of slider frame 111 is used for and linear bearing
112 cooperations, the hole on top are used for across motor shaft, and upper end has arc gap that can prevent interference ring-shaped platform 12 from doing rotation fortune
Dynamic, lower end does not have corresponding notch that can play a supporting role to ring-shaped platform 12；
Fig. 6 shows that the specific structure of ring-shaped platform 12, ring-shaped platform 12 include: ring-shaped platform frame 121, and annular is same
Walk band 122, radial slave module 123 and radial active module 124, wherein ring-shaped synchronous belt 122 passes through stove bolt and seccotine
Water is connected in 121 outside of ring-shaped platform frame, and radial slave module 123 and radial active module 124 are separately fixed at annular flat
Table frame 121, radial slave module 123 connect into one and engaging with same root synchronous belt with radial active module 124
It is whole；
Fig. 7 shows the concrete shape of ring-shaped platform frame 121, and main body is for an endless metal frame and in diametrical position
There is a crossbeam 121, endless metal outer frame surface is evenly distributed with threaded hole for connecting with ring-shaped synchronous belt 122, and crossbeam side has one
Open slot is radial groove 1211, and 1211 length of radial groove is more than 121 radius length of ring-shaped platform frame, in radial groove
There are motor racks 1212 to be used for fixed radial driving motor for 1211 other sides；
Fig. 8 shows that the specific structure of radial slave module 123, radial slave module 123 include: radial driven wheel carrier
1231, radial follower shaft 1232 and radial driven wheel 1233, wherein radial driven wheel carrier 1231 is connected through a screw thread and annular
Platform framework is connected, radial follower shaft 1232 pass through the axis hole of radial 1231 upper end of driven wheel carrier and with its clearance fit, diameter
To 1231 clearance fit of driven wheel 1233 and the radial interference fit of follower shaft 1232 and radial driven wheel carrier；
Fig. 9 shows the specific structure of radial active module 124, and radial active module 124 includes: radial drive coordination
Band 1241, radial driving wheel 1242, radial drive motor 1243 and radial drive motor screw 1244, radial drive motor
1243 are pressed from both sides with 1212 transition fit of motor rack of ring-shaped platform frame 121 and by radial drive motor screw 1244
Tightly, radial driving wheel 1242 cooperates with the key connection of radial drive motor 1243, radial drive coordination band 1241 respectively with radial master
Driving wheel 1242 and radial driven wheel 1233 are engaged and are tensioned by the two；
Figure 10 and Figure 11 shows the fit system of head module 2 and annular module 1 and the specific knot of head module 2
Structure, head module 2 include: spray head elevator slide bar 21, and spray head discharges driving motor 22, spray head chamber lid 23, spray head cavity 24 and are sent
Expect screw rod 25,21 top of spray head elevator sliding block is connect by bolt with radial drive coordination band 1241, spray head elevator sliding block 21
Bar shoulder frame is at 1211 both ends of radial groove of ring-shaped platform frame 121, and such structure type is by the weight of head module 2 by ring
To undertake, avoid causes radial drive coordination band 1241 sagging since head module is overweight or is broken shape platform framework 121,
The radial groove 1211 that the bar lower end of spray head elevator sliding block 21 passes through ring-shaped platform frame 121 is threadedly coupled with spray head chamber lid 22,
Spray head chamber lid 22 is threadedly coupled with spray head cavity 24, and spray head discharging driving motor 23 is bolted with spray head chamber lid 22, electricity
Machine output shaft and spray head feeding spiro rod 25 are keyed, and spray head feeding spiro rod 25 itself has heating function, can melt printing consumables
Change and rotated by helical blade and is released；
Figure 12 shows the primary structure of lifting module 3 and goes up and down the fit system of module 3 and annular module 1, lifting
Module 3 includes: that lifting mentions frame 31, plane bearing retainer 32, plane bearing 33, transmission rope 34, turntable 35 and lifting driving motor 36,
Lifting mentions 31 lower end of frame and is bolted with ring-shaped platform frame 121, and one end of transmission rope 34 passes through lifting and mentions 31 top of frame
Centre bore and plane axis 33, then be connected with plane bearing retainer 32, the lower surface of plane bearing 33 and plane bearing retainer 32 be connected,
Upper surface and lifting mention 31 top of frame and are connected, and such structure type application plane bearing 33 has separated annular module 1 and lifting
The circumferential movement of module 3 is avoided since the rotation of annular module 1 drives torque drive rope 34 to increase 34 internal stress of transmission rope
Add or twist off, the other end and turntable 35 of transmission rope 34 are connected, and can be coiled transmission rope 34 by the rotation of turntable 35, in turn
The height of annular module 1 is promoted, turntable 35 and lifting driving motor 36 are keyed；
Figure 13 shows the primary structure of main body frame 4 and the fit system of main body frame 4 and lifting module 3, main body
Frame 4 includes: top cover 41, support column 42, interstage sleeve 43 and pedestal 44, the bolumn cap interference fit and bottom of support column 42 and top cover 41
The post holes interference fit of seat 44, interstage sleeve 43 penetrate support column 42 and with its transition fit, interstage sleeve 43 contacts with 44 upper surface of pedestal,
The presence of interstage sleeve 43 can be prevented when the unexpected fracture rear support rotation driving sliding block 11 of transmission rope 34, and then support entire circular die
Block 1, it is therefore prevented that head module 2 collides with pedestal 44, lifting module 3 lifting driving motor 35 base by bolt with
The top cover 41 of main body frame 4 is connected, and transmission rope 34 passes through the hole reserved on top cover 41 and further cooperates with other component；
Figure 14 and Figure 15 shows the concrete shape of top cover 41, and 41 subject plane of top cover is for placing electric elements and walking
Line, top cover 41 are evenly distributed with 4 bolumn caps 412, and 412 cross section of bolumn cap is the U shape reversed, for cooperating with support column 42, top cover
The 41 multiple preformed holes of distribution are respectively used to penetrate transmission rope 34 and fixed lifting driving motor 36, mainly there is a total string holes 411
For penetrating the control route and driver circuit of annular module 1 and head module 2, the side that 41 outer of top cover is protruded there are one
Edge, be used to support overhead guard 51 and with 52 transition fit of side cover；
Figure 16 and Figure 17 shows the concrete shape of pedestal 44,44 central plane of pedestal flatness with higher and compared with
Low roughness, for the support platform as printing shaping, pedestal 44 is evenly distributed with 4 post holes 441, and post holes 441 is for being inserted into branch
Dagger 42 is simultaneously interference fitted with it, and there are an annular groovings for 44 outer of pedestal as side cover slot 442, and side cover 52 can be inserted into side
Cover slot 442 and with its transition fit；
Figure 18 shows that the specific structure of outer cover 5, outer cover 5 include overhead guard 51 and side cover 52, and 51 upper end of overhead guard is circular arc
Curved surface, lower end are one end cylinder tangent with curved surface, and there are electric source line interface 511, side cover 52 is that shape is multistage for cylinder side
The curved surface of curve combination rotational forming, 52 upper end of side cover and the smooth transition of overhead guard 51,52 lower end of side cover and pedestal 44 cooperate.
Rotate the concrete mode of driving are as follows: the rotation is driven by the rotary drive motor of the rotation driving sliding block
Turn driving wheel, since the rotation driving wheel is engaged with the ring-shaped synchronous belt of the ring-shaped platform, so the entire ring
Shape platform is driven to rotate, and the head module is combined with the ring-shaped platform, thus completes the rotation to the head module
Driving；
The concrete mode of radial alignment driving are as follows: pass through the radial slave module of the ring-shaped platform and the radial direction
The cooperation of active module drives the radial driving wheel rotation by the radial drive motor, by the radial driving wheel and institute
Radial drive coordination band engagement is stated, so the radial direction drive coordination band will be moved in a straight line radially, the head module is logical
It crosses and is bolted on the radial drive coordination band, thus complete the radial alignment driving to the head module；
Go up and down the concrete mode of driving are as follows: drive the turntable to turn by the lifting driving motor of the lifting module
Dynamic, the turntable rotation is received around the transmission rope, the plane bearing retainer pulling force upward by the transmission rope, and by pulling force
It is transmitted to the lifting and mentions frame, the lifting mentions frame and entire annular module is driven to move upwards, similarly, when the lifting drives electricity
When machine inverts, the turntable releases transmission rope, and entire annular module moves downward, the head module and the ring-shaped platform group
It closes, thus completes the driving of the lifting to the head module.
Embodiment described above only describe the preferred embodiments of the invention, not to model of the invention
It encloses and is defined, without departing from the spirit of the design of the present invention, those of ordinary skill in the art are to technical side of the invention
The various changes and improvements that case is made should all be fallen into the protection scope that claims of the present invention determines.
Claims (9)
1. a kind of 3D printer based on cylindrical-coordinate system, it is characterised in that: the printer includes annular module, Nozzle At The Ingot Mold
Block, lifting module, main body frame and outer cover；The main body frame is made of top cover, support column, interstage sleeve, pedestal；Support column and top
Bolumn cap interference fit, the post holes interference fit of support column and pedestal of lid；Interstage sleeve penetrate support column and with its transition fit, interstage sleeve
It is contacted with base upper surface；The annular module mentions frame by lifting and lifting module is connected；Annular module passes through linear bearing
It is slidably matched with the support column of main body frame；Head module passes through the radial drive coordination band of spray head elevator slide bar and annular module
It is connected；Lifting module lower end mentions frame by lifting and ring-shaped platform frame is connected, and lifting module upper end passes through lifting driving motor
It is connected with the top cover of main body frame.
2. a kind of 3D printer based on cylindrical-coordinate system according to claim 1, it is characterised in that: the annular module
Including rotation driving sliding block and ring-shaped platform；Rotation driving sliding block is nibbled with ring-shaped platform by ring-shaped synchronous belt and rotation driving wheel
Close connection；Ring-shaped platform outer upper surface and rotation driving shoe contact cooperation.
3. a kind of 3D printer based on cylindrical-coordinate system according to claim 1, it is characterised in that: the rotation driving
Sliding block includes slider frame, linear bearing, rotation driving wheel and rotary drive motor；The bearing hole of linear bearing and slider frame two sides
The support column of interference fit, linear bearing and main body frame is slidably matched.
4. a kind of 3D printer based on cylindrical-coordinate system according to claim 3, it is characterised in that: the slider frame is left
Right both ends are equipped with bearing hole and linear bearing cooperates, and the hole on top is used for the motor shaft across rotary drive motor, and there is circle in upper end
Arc notch prevents interference ring-shaped platform from making rotating motion, and lower end does not have corresponding notch to be supported ring-shaped platform.
5. a kind of 3D printer based on cylindrical-coordinate system according to claim 2, it is characterised in that: the ring-shaped platform
Including ring-shaped platform frame, ring-shaped synchronous belt, radial slave module and radial active module；Ring-shaped synchronous belt is adjacent to, is connected in
On the outside of ring-shaped platform frame；Radial slave module and radial active module are separately fixed at ring-shaped platform frame, radial from dynamic model
Block connects into an entirety and engaging with same root synchronous belt with radial active module.
6. a kind of 3D printer based on cylindrical-coordinate system according to claim 5, it is characterised in that: the ring-shaped platform
Chassis body be an endless metal frame and diametrical position be equipped with crossbeam, endless metal outer frame surface be evenly distributed with threaded hole be used for
Ring-shaped synchronous belt connection, it is radial groove that, which there is an open slot in crossbeam side, and radial groove length is more than ring-shaped platform frame half
Electrical path length, in the radial groove other side there are motor rack, the fixed radial driving motor on motor rack.
7. a kind of 3D printer based on cylindrical-coordinate system according to claim 1, it is characterised in that: the head module
Including spray head elevator slide bar, spray head discharging driving motor, spray head chamber lid, spray head cavity and feeding spiro rod；Spray head elevator sliding block top
End is connected with radial drive coordination band；The bar shoulder frame of spray head elevator sliding block is at the radial groove both ends of ring-shaped platform frame；Spray head
The radial groove that the bar lower end of elevator sliding block passes through ring-shaped platform frame is threadedly coupled with spray head chamber lid；Spray head chamber lid and spray head chamber
Body is threadedly coupled；Spray head discharging driving motor and spray head chamber lid are connected, the motor output shaft of spray head discharging machine and spray head feeding
Screw rod key connection.
8. a kind of 3D printer based on cylindrical-coordinate system according to claim 1, it is characterised in that: the lifting module
Frame, plane bearing retainer, plane bearing, transmission rope, turntable and lifting driving motor are mentioned including lifting；Lifting mentions frame lower end and annular
Platform framework is bolted；One end of transmission rope pass through lifting mention frame top centre bore and plane axis after again with plane axis
Support is connected, and lower surface and the plane bearing retainer of plane bearing are connected, upper surface and lifting mention frame top and be connected；Transmission rope it is another
One end and turntable are connected；Turntable and lifting driving motor key connection.
9. a kind of 3D printer based on cylindrical-coordinate system according to claim 1, it is characterised in that: the outer cover includes
Overhead guard and side cover；Overhead guard upper end is circular arc camber, and lower end is one end cylinder tangent with curved surface, and there are power supply lines to connect for cylinder side
Mouthful；Side cover shape is the curved surface of multistage curve combination rotational forming, side cover upper end and the transition of overhead guard smoothness, side cover lower end and pedestal
Cooperation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811057208.1A CN109304860B (en) | 2018-09-11 | 2018-09-11 | 3D printer based on cylindrical coordinate system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811057208.1A CN109304860B (en) | 2018-09-11 | 2018-09-11 | 3D printer based on cylindrical coordinate system |
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| CN109304860A true CN109304860A (en) | 2019-02-05 |
| CN109304860B CN109304860B (en) | 2020-07-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109878082A (en) * | 2019-04-14 | 2019-06-14 | 王玉杰 | A kind of multi-dimensional movement 3D printer |
Citations (4)
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| CN104162990A (en) * | 2014-07-29 | 2014-11-26 | 上海建工集团股份有限公司 | Building 3D printing device and method based on polar coordinate positioning |
| CN104842557A (en) * | 2015-04-16 | 2015-08-19 | 中国矿业大学 | Five-freedom-degree rapid forming processing apparatus |
| CN207256877U (en) * | 2017-06-15 | 2018-04-20 | 深圳市普伦特科技有限公司 | 3d printer |
| WO2018080331A1 (en) * | 2016-10-28 | 2018-05-03 | Instituto Superior Técnico | Modular additive manufacturing system |
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| CN104162990A (en) * | 2014-07-29 | 2014-11-26 | 上海建工集团股份有限公司 | Building 3D printing device and method based on polar coordinate positioning |
| CN104842557A (en) * | 2015-04-16 | 2015-08-19 | 中国矿业大学 | Five-freedom-degree rapid forming processing apparatus |
| WO2018080331A1 (en) * | 2016-10-28 | 2018-05-03 | Instituto Superior Técnico | Modular additive manufacturing system |
| CN207256877U (en) * | 2017-06-15 | 2018-04-20 | 深圳市普伦特科技有限公司 | 3d printer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109878082A (en) * | 2019-04-14 | 2019-06-14 | 王玉杰 | A kind of multi-dimensional movement 3D printer |
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| CN109304860B (en) | 2020-07-28 |
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