CN206870388U - More nozzle printing heads for 3D printing equipment - Google Patents
More nozzle printing heads for 3D printing equipment Download PDFInfo
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- CN206870388U CN206870388U CN201720317113.3U CN201720317113U CN206870388U CN 206870388 U CN206870388 U CN 206870388U CN 201720317113 U CN201720317113 U CN 201720317113U CN 206870388 U CN206870388 U CN 206870388U
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- printhead
- downside
- printing
- connecting plate
- slide block
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Abstract
It the utility model is related to more nozzle printing heads for 3D printing equipment, more nozzle printing heads wherein for 3D printing equipment include main body frame, X is fixedly connected with to hanging beam on the downside of main body frame, X is provided with X direction guiding rail slide block mechanisms to hanging beam downside, the sliding block of X direction guiding rail slide block mechanisms is connected with XY to connecting plate, XY is connected with Y-direction sliding equipment to connecting plate downside, printhead connecting plate is connected with the downside of Y-direction sliding equipment, along X to being connected with printhead one side by side respectively on the downside of the printhead connecting plate, printhead two and printhead three, the printhead one and printhead three are connected to spray curing agent to print zone respectively with curing agent hopper, the printhead two is connected with binding agent hopper.During printhead prints of the present utility model, curing agent and binding agent can be sprayed simultaneously, removes the process that curing agent is mixed in sand material from, and reduces hardener dose, are optimized printing technology and are improved sand-mould quality.
Description
Technical field
It the utility model is related to 3D printing apparatus field, more particularly to a kind of more nozzle printings for 3D printing equipment
Head.
Background technology
Current casting sand type is to be based on 3DP techniques with 3D printing equipment, i.e., material powder is passed through into shower nozzle binding agent
By the section " printing " of part on material powder, by powder feeding successively, powdering and jet binder, one three is finally completed
Tie up the bonding of powder.Print head structure of the prior art is single head printhead, and the printing of sand mold is needed in sand simultaneously
Curing agent and binding agent are mixed, during using the printhead prints sand mold, curing agent need to be mixed in sand in advance, mixes, pass through
Sanding gear sanding, reuse printhead ejection binding agent and bonded the sand in demand section, will be with model after the completion of printing
Unrelated sand removes again.The method needs before the printing just to mix curing agent in sand, considerably increases curing agent
Usage amount, the time before printing is added, meanwhile, the sand for being doped with curing agent easily plays floating dust in print procedure,
The monitoring to product print quality in print procedure is influenceed, influences print quality.
Utility model content
The purpose of this utility model is to provide more nozzle printing heads for 3D printing equipment, when realizing sand mold 3D printing,
Curing agent and binding agent can be sprayed simultaneously, removes the process that curing agent is mixed in sand material from, and reduces hardener dose, reduced
Dust is printed, optimizes printing technology and improves sand-mould quality.
The purpose of this utility model is achieved in that a kind of more nozzle printing heads for 3D printing equipment, including master
Body framework, the main body frame downside are fixedly connected with X and are provided with X direction guiding rail sliding block machines to hanging beam downside to hanging beam, the X
Structure, the sliding block of the X direction guiding rails slide block mechanism are connected with XY to connecting plate, and the XY is connected with Y-direction to connecting plate downside and slided
Mechanism, is connected with printhead connecting plate on the downside of the Y-direction sliding equipment, along X to respectively side by side on the downside of the printhead connecting plate
Printhead one, printhead two and printhead three are connected with, the printhead one and printhead three are connected with curing agent hopper respectively
For spraying curing agent to print zone, the printhead two is connected with binding agent hopper.
During more nozzle printing head work of the present utility model, print head assembly is incremented by a process along Y-direction, and X direction guiding rails are slided
Block mechanism drives print head assembly to be plowed along X to printing material spray one, and then print head assembly is incremented by a process, guide X again along Y-direction
Rail slide block mechanism drives print head assembly to be plowed along X to returning and print material spray one；Print head assembly perform repeatedly above-mentioned movement and
Printing acts, until completing a kind of printing of sand bedding, then print platform declines the height of a sand bedding, continues executing with
The printing action of a layer of sand, and repeated several times are stated, until completing the 3D printing of whole sand mold.In print procedure, according to beating
Print head along X to moving direction, printhead one and printhead three replace material spray, make the printhead of spray curing agent along X to the side of movement
To the front for being always positioned at spraying binding agent printhead, to ensure the bonds well of each adjacent sand bedding.Using the utility model knot
More nozzle printing heads of structure, the process of the mixed curing agent in sand material is eliminated, curing agent is sprayed directly on in print procedure
On sand material, the sand material of only print area just sprays curing agent, and the sand material of nonprinting region facilitates without curing agent and binding agent
The recovery of sand material after printing, and the dust in print procedure is reduced, it is easy to monitor print quality during printing, is beaten so as to optimize 3D
Technical process is printed, improves sand-mould quality.
For ease of the lifting of printhead, the printhead two respectively prints along X between printhead one and printhead three
The lifting that thin cylinder is used to control printhead is connected between head and printhead connecting plate, printhead declines, starts to hold
Row spray curing agent or the work for spraying binding agent, printhead rise, and stop injection work.
For ease of realize printhead along X to move, the X direction guiding rails slide block mechanism includes X and connected on the downside of hanging beam
X direction guiding rails, the sliding block being slidably connected on the X direction guiding rails, the sliding block is fixedly connected with XY to connecting plate, and the X is to outstanding
It is additionally provided with the downside of drop in beam for magnetic track of the control slide block along X to sliding position.
To ensure the stationarity of printhead movement, the X direction guiding rails are provided with two, are respectively cooperating with being provided with each guide rail side by side
Sliding block.
For ease of the installation of X direction guiding rail slide block mechanisms, the X is profile structure to hanging beam, including is used for and body frame
The main part of frame connection, the main part both sides are vertically provided with vertical side wall, and the vertical side wall is respectively equipped with to relative inner side prolongs
Extending portion one, the main part, two vertical side walls and two extensions one form an accommodating chamber opened wide downwards, the accommodating chamber
For accommodating guide rail slide block mechanism；Two guide rail parallels of the guide rail slide block mechanism are connected to the top of accommodating chamber corresponding to main part
On the downside of wall, the magnetic slider is arranged on the roof between guide rail；Flute profiles of the XY to connecting plate for opening upwards, including
Cell body bottom wall and the two side vertical with cell body bottom wall, the side wall per side are provided with the portion two that stretches extended perpendicularly outward, two side
Vertical outer wall between distance be less than inner distances of the X to two extensions one of hanging beam, two sliding blocks, which are respectively fixedly connected with, to be extended
The upside in portion two, and the cooperation of extension two is extended into the accommodating chamber of the upside of extension one, extension one and extension after connection
Do not contacted between each opposite face in portion two.In this structure, X direction guiding rails slide block mechanism is arranged on X into the accommodating chamber of hanging beam, both
Be easy to the installation of the structure to connect, accommodating chamber can ensure the cleaning of guide rail slide block mechanism again, prevent working face have foreign matter and shadow
Ring the motion that is slidably matched.
The utility model also provides a kind of using above-mentioned more nozzle printing heads printing casting sand type for 3D printing equipment
Method, successively including following process:1）Powder spreader is in one layer of print platform upper berth sand；2）Printhead is adjusted to above sand bedding,
Printed by pre-set printing curve and spray curing agent and binding agent, printhead often advances a process along Y-direction, printhead
Printed along X direction guiding rails from one end to the other end, then printhead readvances a process along before Y-direction, printhead along X direction guiding rails from
Other end printing is back to one end, so repeatedly until the printing of layer of sand where completing, printhead move back and forth printing along X direction guiding rails
When, printhead one and printhead three alternately spray curing agent, make the printhead of spray curing agent along X to moving direction be always positioned at spraying
In front of the printhead of binding agent；3 ）Print platform declines step 1）In a sanding layer height；4）Step 1 is performed repeatedly）, step
Rapid 2）With step 3）Process, until completing the printing of whole sand mold.
Above-mentioned sand mold 3D printing method of the present utility model, it is necessary in advance will be solid when eliminating 3D printing in the prior art
Agent is mixed into the technical process in sand material.In the utility model method, realize and spray curing agent and binding agent in sanding, can only
Need the graphics field material spray printed, rather than typesetting and printing region there is no curing agent and binding agent to be mixed into, both save the use of curing agent
Amount, also subtracts the technique for simplifying 3D printing sand mold, also improves printing effect and print quality.
Brief description of the drawings
Fig. 1 is the structural representation of more nozzle printing heads of the present utility model for 3D printing equipment
Fig. 2 is X to hanging beam and the installation connection diagram of X direction guiding rails slide block mechanism and XY to connecting plate.
Wherein, 1 main body frame；2 X are to hanging beam；2A main parts；2B founds side wall；2C extensions one；3 X direction guiding rails；4
Magnetic track；5 XY are to connecting plate；5A extensions two；6 Y-direction sliding equipments；7 printheads one；8 printheads two；9 printheads three；
10 thin cylinders；11 printhead connecting plates；12 sliding blocks.
Embodiment
Embodiment 1
It is more nozzle printing heads of the present utility model for 3D printing equipment as depicted in figs. 1 and 2, including main body frame
1, the downside of main body frame 1 is fixedly connected with X and is provided with X direction guiding rail slide block mechanisms, X direction guiding rails to the downside of hanging beam 2 to hanging beam 2, X
The sliding block 12 of slide block mechanism is connected with XY to connecting plate 5, and XY is connected with Y-direction sliding equipment 6, Y-direction skate machine to the downside of connecting plate 5
The downside of structure 6 is connected with printhead connecting plate 11, and the downside of printhead connecting plate 11 is along X to being connected with printhead 1 side by side respectively, beat
Print first 28 and printhead 39, printhead 1 and printhead 39 are connected to spray to print zone respectively with curing agent hopper to be solidified
Agent, printhead 28 are connected with binding agent hopper.In the structure of further the present embodiment, printhead 28 is along X to positioned at printing
Between first 7 and printhead 38, thin cylinder 10 is connected between each printhead and printhead connecting plate 11 and is used to control
The lifting of printhead.
For ease of realize printhead along X to move, X direction guiding rails slide block mechanism includes X to the X of the downside of hanging beam 2 connection
Direction guiding rail 3, the sliding block 12 being slidably connected on X direction guiding rails 3, sliding block 12 are fixedly connected with XY to connecting plate 5, and X is under hanging beam 2
Side is additionally provided with for magnetic track 4 of the control slide block along X to sliding position.To ensure the stationarity of printhead movement, X direction guiding rails
3 are provided with two side by side, are respectively cooperating with being provided with sliding block 12 on each guide rail, magnetic slider 4 is arranged between two guide rails.
In the present embodiment, for ease of the installation of X direction guiding rail slide block mechanisms, X to hanging beam 2 be profile structure, including for
The main part 2A being connected with main body frame 1, main part 2A both sides are vertically provided with vertical side wall 2B, found side wall 2B to relative inner side point
She You not one extension one 2C, main part 2A, two vertical side wall 2B and two 2C of extension one formation receiving opened wide downwards
Chamber, accommodating chamber are used to accommodate guide rail slide block mechanism；Two guide rail parallels of guide rail slide block mechanism, which are connected to corresponding to main part 2A, to be held
Receive on the downside of the roof of chamber, magnetic slider 4 is arranged on the roof between guide rail；XY wraps to the flute profile that connecting plate 5 is opening upwards
Cell body bottom wall and the two side vertical with cell body bottom wall are included, the side wall per side is provided with the 5A of portion two that stretches that extends perpendicularly outward, and two
Distance is less than inner side minimum ranges of the X to the 2C of two extension one of hanging beam 2 between the vertical outer wall of side wall, and two sliding blocks 12 are solid respectively
Surely the 5A of extension two upside is connected to, and the 5A of extension two cooperations are extended into the accommodating chamber on the upside of the 2C of extension one, even
Connect and do not contacted between the rear 2C of extension one and the 5A of extension two each opposite face.In this structure, X direction guiding rail slide block mechanisms are arranged on
X is both easy to the installation of the structure to connect, accommodating chamber can ensure the clear of guide rail slide block mechanism again into the accommodating chamber of hanging beam 2
It is clean, prevent working face from having foreign matter and influenceing the motion that is slidably matched.
During more nozzle printing head work of the present utility model, print head assembly is incremented by a process along Y-direction, and X direction guiding rails are slided
Block mechanism drives print head assembly to be plowed along X to printing material spray one, and then print head assembly is incremented by a process, guide X again along Y-direction
Rail slide block mechanism drives print head assembly to be plowed along X to returning and print material spray one；Print head assembly perform repeatedly above-mentioned movement and
Printing acts, until completing a kind of printing of sand bedding, then print platform declines the height of a sand bedding, continues executing with
The printing action of a layer of sand, and repeated several times are stated, until completing the 3D printing of whole sand mold.In print procedure, according to beating
Print head along X to moving direction, printhead 1 and printhead 39 replace material spray, make the printhead of spray curing agent along X to move
Direction is always positioned at spraying the front of binding agent printhead, to ensure the bonds well of each adjacent sand bedding.Using the utility model
More nozzle printing heads of structure, eliminate the process of the mixed curing agent in sand material, and curing agent is directly sprayed in print procedure
On sand material, the sand material of only print area just sprays curing agent, and the sand material of nonprinting region is convenient without curing agent and binding agent
The recovery of sand material after printing, and the dust in print procedure is reduced, it is easy to monitor print quality during printing, so as to optimizing 3D
Printing technology process, improve sand-mould quality.
Embodiment 2
The present embodiment is a kind of using above-mentioned more nozzle printing heads printing casting sand type for 3D printing equipment also to provide
Method, successively including following process:1）Powder spreader is in one layer of print platform upper berth sand；2）Printhead is adjusted to above sand bedding,
Printed by pre-set printing curve and spray curing agent and binding agent, printhead often advances a process along Y-direction, printhead
Printed along X direction guiding rails 3 from one end to the other end, then printhead readvances a process along before Y-direction, and printhead is along X direction guiding rails 3
One end is back to from other end printing, so repeatedly until the printing of layer of sand where completing, printhead are moved back and forth along X direction guiding rails and beaten
During print, printhead 1 and printhead 39 alternately spray curing agent, make the printhead of spray curing agent along X to moving direction position all the time
In front of the printhead of spray binding agent；3 ）Print platform declines step 1）In a sanding layer height；4）Step is performed repeatedly
1）, step 2）With step 3）Process, until completing the printing of whole sand mold.
Above-mentioned sand mold 3D printing method of the present utility model, it is necessary in advance will be solid when eliminating 3D printing in the prior art
Agent is mixed into the technical process in sand material.In the utility model method, realize and spray curing agent and binding agent in sanding, can only
Need the graphics field material spray printed, rather than typesetting and printing region there is no curing agent and binding agent to be mixed into, both save the use of curing agent
Amount, also subtracts the technique for simplifying 3D printing sand mold, also improves printing effect and print quality.
Claims (5)
1. a kind of more nozzle printing heads for 3D printing equipment, including main body frame, the main body frame downside is fixedly connected
Have X to hanging beam, the X to being provided with X direction guiding rail slide block mechanisms on the downside of hanging beam, the sliding block of the X direction guiding rails slide block mechanism and
XY connects to connecting plate, and the XY is connected with Y-direction sliding equipment to connecting plate downside, is connected with the downside of the Y-direction sliding equipment
Printhead connecting plate, it is characterised in that along X to being connected with printhead one, printing side by side respectively on the downside of the printhead connecting plate
First two and printhead three, the printhead one and printhead three are connected to spray to print zone respectively with curing agent hopper to be solidified
Agent, the printhead two are connected with binding agent hopper.
2. more nozzle printing heads according to claim 1 for 3D printing equipment, it is characterised in that the printhead two
Along X between printhead one and printhead three, thin cylinder is connected between each printhead and printhead connecting plate
For controlling the lifting of printhead, printhead declines, and starts to perform spray curing agent or sprays the work of binding agent, on printhead
Rise, stop injection work.
3. more nozzle printing heads according to claim 1 for 3D printing equipment, it is characterised in that the X direction guiding rails
Slide block mechanism includes X to the X direction guiding rails of connection on the downside of hanging beam, the sliding block being slidably connected on the X direction guiding rails, the sliding block with
XY is fixedly connected to connecting plate, and the X is led for control slide block along X to the magnetic of sliding position to being additionally provided with the downside of hanging beam
Rail.
4. more nozzle printing heads according to claim 3 for 3D printing equipment, it is characterised in that the X direction guiding rails
Two are provided with side by side, are respectively cooperating with being provided with sliding block on each guide rail.
5. more nozzle printing heads according to claim 3 for 3D printing equipment, it is characterised in that the X is to suspension
Beam is profile structure, including the main part for being connected with main body frame, and the main part both sides are vertically provided with vertical side wall, described
Vertical side wall is respectively equipped with extension one to relative inner side, and the main part, two vertical side walls and two extensions one form one
The individual accommodating chamber opened wide downwards, the accommodating chamber are used to accommodate guide rail slide block mechanism；Two guide rails of the guide rail slide block mechanism are put down
Row is connected on the downside of the roof of accommodating chamber corresponding to main part, and the magnetic slider is arranged on the roof between guide rail；It is described
To the flute profile that connecting plate is opening upwards, including cell body bottom wall and the two side vertical with cell body bottom wall, the side wall per side is set XY
There is a portion two that stretches extended perpendicularly outward, distance is less than X into two extensions one of hanging beam between the vertical outer wall of two side
Lateral extent, two sliding blocks are respectively fixedly connected with the upside of extension two, and the cooperation of extension two extends into the upside of extension one
Accommodating chamber in, do not contacted between extension one and each opposite face of extension two after connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720317113.3U CN206870388U (en) | 2017-03-29 | 2017-03-29 | More nozzle printing heads for 3D printing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720317113.3U CN206870388U (en) | 2017-03-29 | 2017-03-29 | More nozzle printing heads for 3D printing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206870388U true CN206870388U (en) | 2018-01-12 |
Family
ID=61327041
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720317113.3U Active CN206870388U (en) | 2017-03-29 | 2017-03-29 | More nozzle printing heads for 3D printing equipment |
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| CN (1) | CN206870388U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108656543A (en) * | 2017-03-29 | 2018-10-16 | 宁夏共享模具有限公司 | The method of more nozzle printing heads and its printing casting sand type for 3D printing equipment |
-
2017
- 2017-03-29 CN CN201720317113.3U patent/CN206870388U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108656543A (en) * | 2017-03-29 | 2018-10-16 | 宁夏共享模具有限公司 | The method of more nozzle printing heads and its printing casting sand type for 3D printing equipment |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 750000 the Ningxia Hui Autonomous Region Yinchuan economic and Technological Development Zone ningshuo South Street No. 298 Patentee after: Shared Intelligent Equipment Co., Ltd. Address before: 750000 the Ningxia Hui Autonomous Region Yinchuan economic and Technological Development Zone ningshuo South Street No. 298 Patentee before: Ningxia Kocel Pattern Co., Ltd. |