CN207028192U - A kind of variable-diameter spray head and extrusion device for being used to build 3D printing - Google Patents
A kind of variable-diameter spray head and extrusion device for being used to build 3D printing Download PDFInfo
- Publication number
- CN207028192U CN207028192U CN201720710937.7U CN201720710937U CN207028192U CN 207028192 U CN207028192 U CN 207028192U CN 201720710937 U CN201720710937 U CN 201720710937U CN 207028192 U CN207028192 U CN 207028192U
- Authority
- CN
- China
- Prior art keywords
- turnbarrel
- motor
- printing
- variable
- spray head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a kind of variable-diameter spray head and extrusion device for being used to build 3D printing, the variable-diameter spray head includes：Revolving dial, bottom plate, four line slideways, four sliding blocks and four right angle moving plates；When revolving dial and bottom plate relatively rotate, revolving dial drives four drive division synchronous axial systems by four driver slots, and then four sliding blocks are driven along four line slideway synchronous slides, four sliding blocks drive four right angle moving plates synchronously to produce relative movement, so as to change the size of square nozzle diameter by changing the relative position of four right angle moving plates in print procedure.The extrusion device includes the variable-diameter spray head.Variable-diameter spray head and extrusion device of the present utility model can expand square nozzle diameter at the larger region of print area, improve discharging speed, printing need not both be repeated several times, and also be not required to extend the residence time of shower nozzle in this place, so as to improve printing effect.
Description
Technical field
Building 3D printing field is the utility model is related to, is sprayed more particularly, to a kind of reducing for being used to build 3D printing
Head and extrusion device, for extruding the cement mortar masonry 3D printing of solidification.
Background technology
3D printing technique is a kind of directly from the increases material manufacturing technology of mathematical model manufacture three-dimensional structure, and it originates from 20 generation
Record the eighties, merged the cutting edge technology of the subjects such as information technology, Electromechanical Control technology, material science and technology, at present
Through Successful utilization in industries such as Aero-Space, automobile, biological medicines.3D printing technique brings for the development of construction industry with change
Brand-new thinking, have in terms of the problems such as environmental pollution, the wasting of resources, human resources shortage for solving puzzlement traditional architecture industry
Powerful application potential, specifically from the point of view of, mainly include：
1) without template, manual labor's demand is reduced, so as to reduce construction cost；
2) greatly shorten on-site construction time by Machine automated construction means, improve efficiency of construction；
3) increasing material manufacturing mode reduces waste of material and building waste discharge, effective environmental protection；
4) Design of digital breaks through the existing design free degree, realizes more complicated building and structure design.
In modern construction, cement mortar (concrete) is the most widely used a kind of composite building material, will
Raw material of the cement mortar as 3D printing, it is the main flow selection for the building 3D printing technique for being currently based on extrusion curing process.
This kind of building 3D printing hardware system mainly includes control device, telecontrol equipment, drawing-in device and extrusion device, wherein, extrusion
Device is directly connected to the Forming Quality of printing building products component, most important.However, existing such building 3D printing is squeezed
Go out device generally existing some shortcomings in actual applications, mainly including the following aspects：
(1) jet size of existing extrusion device is fixed in print procedure, when with a constant small-bore spray
During the big figure of mouth processed complex, when generally requiring to carry out multiple tracks processing, or longer printing stopped in the larger region of area
Between could complete printing manufacture, it is low to directly result in printing effect.
(2) nozzle of existing extrusion device is circle, and there is the significantly layering with radian the component product outer surface of printing
Texture, it is even more that can not meet intrinsic Forming Quality requirement especially in edges and corners, Curvature varying visibility point.
(3) existing extrusion device to after printing equipment clean demand consider deficiency, particularly the dismounting of spray nozzle device and
Cleaning is very inconvenient, due to using tubular nozzle, usually causing partial material residual because can not clean up nozzle interior completely
Alluvial is stayed, gently then influences the Forming Quality during follow-up use, it is heavy then directly result in device damage.
Utility model content
For the disadvantages described above or Improvement requirement of prior art, the utility model aims to provide a kind of shower nozzle, passes through setting
The constructing of reducing, the nozzle of square and easy-to-mount part, solve in the prior art that printing effect is low, it is full to be difficult to
Sufficient Forming Quality requirement, the technical problem of dismounting cleaning inconvenience.
To achieve the above object, according to one side of the present utility model, there is provided a kind of change for being used to build 3D printing
Footpath shower nozzle, including：Revolving dial, bottom plate, four line slideways, four sliding blocks and four right angle moving plates；
Revolving dial circumferentially offers four driver slots；
Bottom plate is located at below revolving dial；Four square distributions of line slideway, are installed on bottom plate；
Four sliding blocks, which correspond, to be slidably mounted on four line slideways, also, a drive is respectively provided with four sliding blocks
Dynamic portion, totally four drive divisions, are corresponded in four driver slots of insertion；
Four right angle moving plates are located at below bottom plate, and one-to-one corresponding is installed on four sliding blocks, also, four right angle moving plates
Right-angle side is bonded two-by-two, and square nozzle is surrounded in centre；Wherein,
Bottom plate and revolving dial offer the through hole of corresponding square nozzle；
When revolving dial and bottom plate relatively rotate, revolving dial drives four drive divisions same by four driver slots
Step rotates, and then drives four sliding blocks to drive four right angle moving plates synchronously to produce along four line slideway synchronous slides, four sliding blocks
Raw relative movement, so as to change the bore of square nozzle.
Further, including limiting plate；Limiting plate has a plane, and the plane is close to four right angle moving plates, to ensure four
Individual right angle moving plate is in the same plane all the time in motion process；The through hole of corresponding square nozzle is offered on limiting plate.
Further, including four bearings, one-to-one corresponding are arranged in four driver slots；Four drive divisions are shaft-like knot
Structure, correspond in four bearings of insertion.
On the other hand, to achieve these goals, the utility model additionally provides a kind of extrusion for being used to build 3D printing
Device, it includes foregoing variable-diameter spray head.
Further, variable-diameter spray head includes the first turnbarrel and the first motor, and the first motor is used to drive the first rotation
Sleeve rotates；Revolving dial is on the first turnbarrel, with the first turnbarrel synchronous axial system.
Further, the extrusion device includes rotary module, and the rotary module includes the second turnbarrel and the second motor；
Second motor is used to drive the second turnbarrel to rotate, and bottom plate is on the second turnbarrel；
Revolving dial, bottom plate, the first turnbarrel and the second turnbarrel are coaxially arranged, and the first turnbarrel is enclosed on
Outside second turnbarrel.
Further, the extrusion device includes stirring module and conveying module；Stir module, conveying module, rotary module
And variable-diameter spray head is sequentially arranged from top to bottom；
Stirring module includes the 3rd motor, agitator arm and hopper；3rd motor connection agitator arm, agitator arm are placed in
In hopper, hopper bottom is material outlet；
Conveying module includes the 4th motor, screw rod, screw pump stator；4th motor connection screw rod, screw pump are installed on material
Struggle against at the material outlet of bottom, screw rod top is located in screw pump；
Second turnbarrel upper end connecting screw pump of rotary module, screw rod bottom are located in the second turnbarrel.
Further, the 3rd motor is connected with agitator arm by the 3rd turnbarrel, the connection of the 4th motor and screw rod
Axle is coaxially disposed with the 3rd turnbarrel, and inside the 3rd turnbarrel.
Further, rotary module also includes the first motor mount, and the first motor mount is fixed on the second rotary sleeve
Cylinder is outside；First motor, the first turnbarrel are mounted on the first motor mount, are synchronized with the movement with the second turnbarrel；
First turnbarrel can rotate relative to the first motor mount.
Further, limiting plate is installed on the first motor mount, is synchronized with the movement with the first motor mount, bottom plate position
Between limiting plate and the first motor mount.
In general, the contemplated above technical scheme of the utility model compared with prior art, has the advantages that：
1st, the utility model is combined by four right angle moving plates and forms nozzle, can be straight by changing four in print procedure
The relative position of angular motion piece changes the size of nozzle diameter, when the larger region of print area, can be carried with enlarged nozzle bore
High discharging speed, need not both be repeated several times printing, also be not required to extend the residence time of shower nozzle in this place, so as to improve printing effect；
2nd, the utility model uses square nozzle, can be relieved or even eliminate the component product outer surface of printing
Layering texture with radian, especially in edges and corners, Curvature varying visibility point, improvement is obvious, and Forming Quality significantly improves；
3rd, the square nozzle in the utility model is put together by four right angle moving plates, is easy to dismount, compared to biography
The tubular nozzle of system is difficult to clean inside, and the utility model can be cleaned directly to the surface of the right angle moving plate after dismounting,
It is easy to clean, thorough；
4th, device of the present utility model uses modularized design, and four functional modules can dismount, and is easy to safeguard and cleans.
Brief description of the drawings
Fig. 1 is the schematic perspective view of the preferred embodiment of extrusion device of the present utility model；
Fig. 2 is Fig. 1 exploded and perspective diagram；
Fig. 3 is Fig. 1 explosive view；
Fig. 4 is the overall package figure of rotary module and variable-diameter spray head；
Fig. 5 is the assembling mode schematic diagram of rotary module and variable-diameter spray head；
Fig. 6 is a Fig. 5 explosive view for looking up visual angle；
Fig. 7 is the explosive view at a Fig. 5 vertical view visual angle；
Fig. 8 is the schematic cross-sectional view after variable-diameter spray head and the assembling of the second turnbarrel；
Fig. 9 is the bore change procedure schematic diagram of square nozzle；
Figure 10 is the schematic diagram for stirring module；
Figure 11 is the schematic diagram of conveying module；
Figure 12 is the schematic diagram of ancillary structural member；
Figure 13 is the operation principle block diagram of extrusion device of the present utility model.
In all of the figs, identical reference is used for representing identical element or structure, wherein：1- variable-diameter spray heads
The baffle plate of 11- revolving dial 111- driver slots 112
113- bearing 114- spacing ring 12- bottom plates
13- line slideway 14- sliding block 141- drive divisions
15- right angles moving plate 151- square nozzle 16- limiting plates
17- the first motor 18- the first turnbarrel the first motor mounts of 19-
2- rotary modules
21- the second motor 22- the second turnbarrel the first fasteners of 23-
24- the second motor mount the second fasteners of 25-
3- stirs module
The motor 32- agitator arm 33- hoppers of 31- the 3rd
The turnbarrel 35- chain-wheel mechanisms of 34- the 3rd
4- conveying modules
The motor 42- shaft coupling 43- screw rods of 41- the 4th
44- screw pump stator 45- universal driving shafts
5- ancillary structural members
The motor mounts of the 3rd motor mount 53- of 51- main body rack 52- the 4th
54- hopper mounting seat 55- the first protective cover the second protective covers of 56-
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.In addition, institute in each embodiment of the utility model disclosed below
As long as the technical characteristic being related to does not form conflict each other, can is mutually combined.
In order to overcome, the existing building 3D printing molded appearance based on extrusion solidification is second-rate, printing effect is relatively low, sets
The problems such as standby dismounting clean and maintenance inconvenience, the utility model proposes a kind of extrusion device for being used to build 3D printing.
Fig. 1-3 is the schematic perspective view and explosive view of the extrusion device.The extrusion device is installed on whole 3D printing system
Telecontrol equipment --- on the hoisting cross beam of gantry frame type triaxial coordinate machine (not shown), by variable-diameter spray head 1, rotary module 2, stir
Module 3,4 four modules of conveying module and other ancillary structural members 5 are mixed to form.Stir module 3, conveying module 4, rotary module 2
And variable-diameter spray head 1 is sequentially arranged from top to bottom.Make the extrusion device that there is preferably dismounting performance using modularized design, just
In clean and maintenance.
In the utility model, the collaborative work of variable-diameter spray head and rotary module is that material realizes that intelligence extrusion, raising add
The key of work efficiency rate, refer to Fig. 4-8, be assembling and the exploded pictorial of variable-diameter spray head 1 of the present utility model and rotary module 2
Figure.Illustrated with reference to the operation principle, process and specific configuration of Fig. 4-8 pairs of the two modules.
Variable-diameter spray head 1 includes revolving dial 11, the sliding block 14 of line slideway 13, four of bottom plate 12, four and four right angles
Moving plate 15.Revolving dial 11 is circumferential to offer four driver slots 111.Bottom plate 12 is located at the lower section of revolving dial 11, and four straight lines are led
13 square distribution of rail, is installed on bottom plate 12.Four sliding blocks 14, which correspond, to be slidably mounted on four line slideways 13,
Also, a drive division 141 is respectively provided with four sliding blocks 14, totally four drive divisions 141, corresponds four driver slots of insertion
In 111.Four right angle moving plates 15 are located at the lower section of bottom plate 12, and one-to-one corresponding is installed on four sliding blocks 14, also, four right angles move
The right-angle side of piece 15 is bonded two-by-two, and square nozzle 151 (such as Fig. 9) is surrounded in centre.
Wherein, bottom plate 12 and revolving dial 11 offer the through hole of corresponding square nozzle 151, for blanking.Work as rotation
When transfer disk 11 relatively rotates with bottom plate 12, revolving dial 11 drives four drive divisions 141 same by four driver slots 111
Step rotates, and then drives four sliding blocks 14 to drive four right angle moving plates along four synchronous slides of line slideway 13, four sliding blocks 14
15 synchronous produce relatively move, so as to change the bore of square nozzle 151.
Variable-diameter spray head also includes limiting plate 16, and limiting plate 16 has a plane, and the plane is close to four right angle moving plates 15, with
Ensure that four right angle moving plates 15 are in the same plane all the time in motion process；Corresponding square spray is offered on limiting plate 16
The through hole of mouth 151.
In order that revolving dial 11 drives, sliding block 14 is more smooth, and variable-diameter spray head also includes four bearings 113, and one-to-one corresponding is set
It is placed in four driver slots 111；Four drive divisions 141 are shaft-like structure, are corresponded in four bearings 113 of insertion.Driving
Baffle plate 112 is provided with groove 111, rotation dials driver plate outer rim and is provided with spacing ring 114, in order to ensure bearing 113 is located at driver slot 111
In.(not shown) in other embodiments, driver slot 111 directly can also be set to waist type blind hole, bearing 113 is placed wherein,
Without setting spacing ring 114.
Variable-diameter spray head of the present utility model is the variable-diameter structure that centers, and is designed different from the eclipsed form of camera shutter, this reality
It is properly termed as " the spliced variable-diameter structure that centers of translation " with new variable-diameter spray head.The structure is complete by some block-shaped sizes
Identical right angle moving plate 15 is spliced to form the Central Symmetry reducing right angle moving plate group that solid matter cloth is tightened in same level two-by-two, often
Block right angle moving plate 15 is rigidly connected with a sliding block 14, and each sliding block 14 can move along straight line guide rail 13, i.e., right angle moves
Piece 15, sliding block 14, line slideway 13 correspond, and line slideway 13 is located on a bottom plate 12, and bottom plate 12 passes through bolt and rotation
Second turnbarrel 22 of module 2 is rigidly connected.(not shown) in other embodiments, four shape sizes of right angle moving plate 15 are equal
Can be different, as long as ensureing that four right angles position is oppositely arranged is spliced into square nozzle 151.
Variable-diameter spray head 1 also includes the first motor 17, the first turnbarrel 18 and the first motor mount 19, the first motor
17th, the first turnbarrel 18 is mounted on the first motor mount 19, and the first turnbarrel 18 can drive in the first motor 17
Under rotated relative to the first motor mount 19.In the present embodiment, revolving dial 11 is fastened by bolts in the first rotary sleeve
On cylinder 18, in other embodiments (not shown), the mode that revolving dial 11 is arranged on the first turnbarrel 18 can also be
It is integrally formed.Limiting plate 16 is installed on the first motor mount 19, is synchronized with the movement with the first motor mount 19, bottom plate 12
Between the motor mount 19 of limiting plate 16 and first.(not shown) in other embodiments, if directly utilizing the first rotation
The lower surface of sleeve 18 coordinates the position of limitation bearing 113 with sliding block 14, then can also be not provided with baffle plate 112.
When receiving rotating signal, the first motor 17 drives the first turnbarrel 18 to rotate, so as to drive revolving dial 11
Rotate, and then stir all sliding blocks 14 and be synchronized with the movement along line slideway 13, all right angle moving plates 15 are in corresponding sliding block 14
Passively centrifuged under drive or centripetal motion, the contact surface that mutually hands down dislocation, in the central area that four right angle moving plates 15 surround
The aperture of centrically symmetric shape is formed, the shape of aperture is determined that the bore of aperture is by right angle moving plate by the contact surface of right angle moving plate 15
15 dislocation distances determine that the center of aperture remains constant and do not rotated.The aperture is square nozzle 151, i.e., due to
The geometric center of square nozzle 151 is located on the rotation axis of its rotation, and the square nozzle 151 can center reducing.
Fig. 9 is refer to, is the reducing process of square nozzle 151, in fig.9, when revolving dial 11 (Fig. 9 is not shown) is inverse
When hour hands rotate, four right angle moving plates 15 linear slide in the counterclockwise direction, the bore of square nozzle 151 is according to d1、d2、d3
Order be gradually reduced, until for 0, that is, close.When revolving dial 11 rotates clockwise, the bore of square nozzle 151 is pressed
According to d3、d2、d1Order gradually increase.Increase and diminution process are reversible, and therefore, variable-diameter spray head of the present utility model being capable of basis
It is processed the geometry of figure and the square nozzle 151 of planning scans course and controls right angle in real time in print procedure
Moving plate 15 slided along bottom plate 12 automatically adjust square nozzle 151 caliber size change within a preset range (such as 0mm~
20mm) so that different Working positions remains most effective rational jet size.
Fig. 4,5 are refer to, rotary module 2 is used to realize the rotation of square nozzle 151 in the horizontal plane, specifically, rotation
Revolving die block 2 is engaged with variable-diameter spray head, and on curve printing path, square is adjusted according to the change real time rotation of tangential direction
The angle of nozzle 151, it is set to be adapted to the change of scan line route curvature of a curve all the time.
The rotary module 2 includes the second motor 21, the second turnbarrel 22, the second motor mount 24, the first fastener
23 and second fastener 25.Second motor 21 is used to drive the second turnbarrel 22 to rotate, and bottom plate 12 is located at the second rotary sleeve
On cylinder 22.Revolving dial 11, bottom plate 12, the first turnbarrel 18 and the second turnbarrel 22 are coaxially arranged, and the first rotation
Sleeve 18 is enclosed on outside the second turnbarrel 22.
Second motor mount 24 is fixed on the main body rack 51 of extrusion device, and the second motor 21 is fixed on the second motor
In mounting seat 24.In the present embodiment, the first motor mount 19 is fixed by the first fastener 23 and the second turnbarrel 22
Connection, so that variable-diameter spray head can be with the synchronous axial system of the second turnbarrel 22.(not shown) in other embodiments, the first motor
The set-up mode that mounting seat 19 is arranged on the second turnbarrel 22 can also be integrally formed.Second motor 21 and a rotary shaft
Rotating module is connected and composed, the structure of the rotary shaft and identical with the first turnbarrel 18 of mounting means and variable-diameter spray head.The
Two turnbarrels 22 are rigidly connected with the rotary shaft in rotating module by the second fastener 25, when the second motor 21 receives rotation
Signal and when rotating, the second turnbarrel 22 synchronous rotary under the drive of the second fastener 25.(do not scheme in other embodiments
Show), the structures such as decelerator, sprocket wheel can also be used to be directly connected to the second motor 21 and the second turnbarrel 22.
Figure 10 is refer to, stirring module 3 is made up of parts such as the 3rd motor 31, agitator arm 32, hoppers 33.Stir module
3 include the 3rd motor 31, chain-wheel mechanism 35, the 3rd turnbarrel 34, agitator arm 32 and hopper 33.The connection of 3rd motor 31 is stirred
Impeller 32 is mixed, agitator arm 32 is placed in hopper 33, and the bottom of hopper 33 is material outlet.3rd motor 31 passes through chain-wheel mechanism 35
The 3rd turnbarrel 34 is connected, the lower end of the 3rd turnbarrel 34 is fixedly connected with agitator arm 32, and impeller is located in hopper 33.Stirring
3rd motor 31 of module 3 controls the rotating speed of agitator arm 32 in suitable scope, is made by stirring action in hopper 33
Material keeps preferable mobility, and coordinates the downward extruded material of conveying module.
Figure 11 is refer to, conveying module includes the 4th motor 41, shaft coupling 42, screw rod 43, screw pump stator 44, universal driving shaft
45.For 4th motor 41 by universal driving shaft 45 and the connecting screw 43 of shaft coupling 42, screw pump stator 44 is installed on the bottom thing of hopper 33
Expect exit, the top of screw rod 43 is located in screw pump stator 44.The top of the second turnbarrel 22 of rotary module 2 is provided with ladder
Hole, for the bottom of connecting screw pump stator 44, the bottom of screw rod 43 is located in the second turnbarrel 22.3rd motor 31 and paddle
Wheel 32 is connected by the 3rd turnbarrel 34, the connecting shaft (i.e. universal driving shaft 45) and the 3rd rotary sleeve of the 4th motor 41 and screw rod 43
Cylinder 34 is coaxially disposed, and universal driving shaft 45 is located inside the 3rd turnbarrel 34.
In the present embodiment, agitator arm 32, the blade of screw rod 43, motor of module 3 and conveying module etc. are stirred with bullet
Property shaft coupling 42 connect, have good resiliency and damping property, can conveniently disassembly, cleaning at any time, be advantageous to plant maintenance.
Figure 12 is refer to, extrusion device of the present utility model also includes ancillary structural member 5, and ancillary structural member 5 includes main body
Support 51, the 3rd motor mount 52, the 4th motor mount 53, hopper mounting seat 54, the first protective cover 55, the second protective cover
56 and feeding mouth.Main body rack 51 is used to support each module, and each module is installed on to the portal frame of 3D printing system together
On formula triaxial coordinate machine.3rd motor mount 52 is used to install the 3rd motor 31, and the 4th motor mount 53 is used to install the
Four motors 41, hopper mounting seat 54 are used to install hopper 33, and the first protective cover 55 is used to protect chain-wheel mechanism 35, the second protective cover
56 are used to protect rotary module 2.Especially, in the present embodiment, the first protective cover 55 and the second protective cover 56 are using transparent
Material, such as acrylic material, it is convenient to observe internal operation situation, pinpoint the problems in time.
Each part of ancillary structural member 5 as Figure 1-3, is used with the assembled relation of other modules due to the present embodiment
It is conventional bolt installation fastening means, therefore repeats no more.
Figure 13 is refer to, is operation principle block diagram of the present utility model.The course of work of extrusion device of the present utility model
It is as follows：
(1) the 3rd motor driving agitator arm 32 of module 3 is stirred to conveying the thing fed by drawing-in device in hopper 33
Material is stirred, the fluidity according to needed for the rational wheel speed of material denseness matching makes material reach extrusion.
(2) servomotor of conveying module 4 is rotated by drive screws 43 such as universal driving shaft 45, shaft couplings 42, according to motion
Device X, the translational velocity of Y-axis match the rational rotating speed of screw rod 43, with the uniformly and stably thing in conveyor hopper 33 vertically downward
Material.
(3) the first motor driving revolving dial 11 of variable-diameter spray head 1 is rotated to an angle with certain speed, and driving right angle moves
Piece 15 is centrifuged along bottom plate 12 or centripetal slip so that the square nozzle 151 being mutually spliced to form by several blocks of right angle moving plates 15
Change its size in real time, control the width of the strip-shaped materials conveyed downwards by conveying module 4, to adapt to current square nozzle
Descriptive geometry size in 151 courses, realization is efficient, accurately prints.
(4) the servomotor actuating sleeve of rotary module 2 in the turnbarrel of the stator exterior of screw rod 43 according to current square
The travel path of nozzle 151 is rotated to an angle with certain speed in real time, controls one side of square nozzle 151 all the time along road
The tangential direction in footpath is advanced, and coordinates variable-diameter spray head 1 to control the shaping apparent mass of graphics component.
As it will be easily appreciated by one skilled in the art that preferred embodiment of the present utility model is the foregoing is only, not
To limit the utility model, any modification of all made within spirit of the present utility model and principle, equivalent substitution and change
Enter, should be included within the scope of protection of the utility model.
Claims (10)
- A kind of 1. variable-diameter spray head for being used to build 3D printing, it is characterised in that including：Revolving dial, bottom plate, four straight lines are led Rail, four sliding blocks and four right angle moving plates；Revolving dial circumferentially offers four driver slots；Bottom plate is located at below revolving dial；Four square distributions of line slideway, are installed on bottom plate；Four sliding blocks, which correspond, to be slidably mounted on four line slideways, also, a drive division is respectively provided with four sliding blocks, Totally four drive divisions, correspond in four driver slots of insertion；Four right angle moving plates are located at below bottom plate, and one-to-one corresponding is installed on four sliding blocks, also, the right angle of four right angle moving plates Side is bonded two-by-two, and square nozzle is surrounded in centre；Wherein,Bottom plate and revolving dial offer the through hole of corresponding square nozzle；When revolving dial and bottom plate relatively rotate, revolving dial drives four drive divisions synchronously to turn by four driver slots It is dynamic, and then drive four sliding blocks to drive four right angle moving plates synchronously to produce phase along four line slideway synchronous slides, four sliding blocks To movement, so as to change the bore of square nozzle.
- 2. a kind of variable-diameter spray head for being used to build 3D printing as claimed in claim 1, it is characterised in that including limiting plate；Limit Position plate has a plane, and the plane is close to four right angle moving plates；The through hole of corresponding square nozzle is offered on limiting plate.
- 3. a kind of variable-diameter spray head for being used to build 3D printing as claimed in claim 1 or 2, it is characterised in that including four axles Hold, one-to-one corresponding is arranged in four driver slots；Four drive divisions are shaft-like structure, are corresponded in four bearings of insertion.
- 4. a kind of extrusion device for being used to build 3D printing, it is characterised in that including as described in claim 1-3 any one Variable-diameter spray head.
- 5. a kind of extrusion device for being used to build 3D printing as claimed in claim 4, it is characterised in that variable-diameter spray head includes the One turnbarrel and the first motor, the first motor are used to drive the first turnbarrel to rotate；Revolving dial is located at the first rotary sleeve On cylinder, with the first turnbarrel synchronous axial system.
- A kind of 6. extrusion device for being used to build 3D printing as claimed in claim 5, it is characterised in that including rotary module, The rotary module includes the second turnbarrel and the second motor；Second motor is used to drive the second turnbarrel to rotate, and bottom plate is set In on the second turnbarrel；Revolving dial, bottom plate, the first turnbarrel and the second turnbarrel are coaxially arranged, and the first turnbarrel is enclosed on second Outside turnbarrel.
- 7. a kind of extrusion device for being used to build 3D printing as described in claim 5 or 6, it is characterised in that including stirring mould Block and conveying module；Stirring module, conveying module, rotary module and variable-diameter spray head are sequentially arranged from top to bottom；Stirring module includes the 3rd motor, agitator arm and hopper；3rd motor connection agitator arm, agitator arm are placed in hopper In, hopper bottom is material outlet；Conveying module includes the 4th motor, screw rod, screw pump stator；4th motor connection screw rod, screw pump are installed under hopper At portion's material outlet, screw rod top is located in screw pump；Second turnbarrel upper end connecting screw pump of rotary module, screw rod bottom are located in the second turnbarrel.
- 8. a kind of extrusion device for being used to build 3D printing as claimed in claim 7, it is characterised in that the 3rd motor and stirring Impeller is connected by the 3rd turnbarrel, and connecting shaft and the 3rd turnbarrel of the 4th motor and screw rod are coaxially disposed, and are located at Inside 3rd turnbarrel.
- 9. a kind of extrusion device for being used to build 3D printing as claimed in claim 7, it is characterised in that rotary module also includes First motor mount, the first motor mount are fixed on outside the second turnbarrel；First motor, the first turnbarrel are pacified Loaded on the first motor mount, it is synchronized with the movement with the second turnbarrel；First turnbarrel can be installed relative to the first motor Seat rotates.
- 10. a kind of extrusion device for being used to build 3D printing as claimed in claim 7, it is characterised in that limiting plate is installed on On first motor mount, it is synchronized with the movement with the first motor mount, bottom plate is between limiting plate and the first motor mount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720710937.7U CN207028192U (en) | 2017-06-16 | 2017-06-16 | A kind of variable-diameter spray head and extrusion device for being used to build 3D printing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720710937.7U CN207028192U (en) | 2017-06-16 | 2017-06-16 | A kind of variable-diameter spray head and extrusion device for being used to build 3D printing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207028192U true CN207028192U (en) | 2018-02-23 |
Family
ID=61468277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720710937.7U Active CN207028192U (en) | 2017-06-16 | 2017-06-16 | A kind of variable-diameter spray head and extrusion device for being used to build 3D printing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207028192U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107042632A (en) * | 2017-06-16 | 2017-08-15 | 华中科技大学 | A kind of variable-diameter spray head and extrusion device for being used to build 3D printing |
| KR102036571B1 (en) * | 2018-05-29 | 2019-10-25 | 서울시립대학교 산학협력단 | Multi-functional extruder suitable for concrete rapid prototyping system |
| JP2019188757A (en) * | 2018-04-27 | 2019-10-31 | セイコーエプソン株式会社 | Three-dimensional molding device and manufacturing method of three-dimensional molded article |
-
2017
- 2017-06-16 CN CN201720710937.7U patent/CN207028192U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107042632A (en) * | 2017-06-16 | 2017-08-15 | 华中科技大学 | A kind of variable-diameter spray head and extrusion device for being used to build 3D printing |
| CN107042632B (en) * | 2017-06-16 | 2023-03-24 | 华中科技大学 | Reducing nozzle and extruding device for building 3D printing |
| JP2019188757A (en) * | 2018-04-27 | 2019-10-31 | セイコーエプソン株式会社 | Three-dimensional molding device and manufacturing method of three-dimensional molded article |
| JP7135409B2 (en) | 2018-04-27 | 2022-09-13 | セイコーエプソン株式会社 | Three-dimensional modeling apparatus and three-dimensional model manufacturing method |
| KR102036571B1 (en) * | 2018-05-29 | 2019-10-25 | 서울시립대학교 산학협력단 | Multi-functional extruder suitable for concrete rapid prototyping system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107042632A (en) | A kind of variable-diameter spray head and extrusion device for being used to build 3D printing | |
| CN207028192U (en) | A kind of variable-diameter spray head and extrusion device for being used to build 3D printing | |
| CN110171053B (en) | Nozzle device for building 3D printing and control method | |
| CN107893523A (en) | A kind of automation wall plastering machine based on 4DOF | |
| CN107415051A (en) | A kind of Concrete device for preventing that material from sinking to the bottom | |
| CN108940109B (en) | Water-based ink preparation is with reinforced robot | |
| CN107243432B (en) | A kind of spray-painting plant of computer plastic shell | |
| CN107486546B (en) | Four-station double-arm shell manufacturing device and control and working methods thereof | |
| CN106965432A (en) | A kind of revolution nozzle component of 3D printer | |
| CN105252257A (en) | Rotary disc type automatic screw tightening device | |
| CN204894518U (en) | 3D printer is with many shower nozzles mechanism | |
| CN108000177A (en) | A kind of drilling device of ring flange | |
| CN107097324B (en) | A kind of adjustable dimension, double spout 3D concrete printing equipments | |
| CN206953587U (en) | A kind of revolution nozzle component of 3D printer | |
| CN110841545A (en) | Continuous dry powder pulping and stirring device | |
| CN111251409A (en) | Table type concrete 3D printer | |
| CN212424397U (en) | Conveying mechanism capable of detecting food safety in batches | |
| CN209410957U (en) | Transmission device and relay device | |
| CN209381192U (en) | A kind of plastics-production quantitative adding device based on agitator tank | |
| CN106985391A (en) | A kind of double nozzle components of 3D printer | |
| CN208084618U (en) | A kind of construction material coagulation system | |
| CN208772998U (en) | A kind of automatic multiple-pass limiting device | |
| CN208155618U (en) | A kind of film Dynamic Thermal sampling system | |
| CN205852810U (en) | Decoration of exterior wall product automatic glue injection apparatus | |
| CN203709138U (en) | Device for automatically forming stuffing skin and covering dough |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |