CN109624320A - A kind of self-service print head of 3D printer - Google Patents
A kind of self-service print head of 3D printer Download PDFInfo
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- CN109624320A CN109624320A CN201811566118.5A CN201811566118A CN109624320A CN 109624320 A CN109624320 A CN 109624320A CN 201811566118 A CN201811566118 A CN 201811566118A CN 109624320 A CN109624320 A CN 109624320A
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- heating
- flange
- spray head
- groove
- screw rod
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- 230000007246 mechanism Effects 0.000 claims abstract description 70
- 239000007921 spray Substances 0.000 claims abstract description 57
- 238000012360 testing method Methods 0.000 claims abstract description 15
- 238000007639 printing Methods 0.000 claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims description 97
- 239000000463 material Substances 0.000 claims description 21
- 230000003287 optical effect Effects 0.000 claims description 21
- 241001149930 Protura <class> Species 0.000 claims description 11
- 230000001939 inductive effect Effects 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 8
- 230000001965 increasing effect Effects 0.000 claims description 7
- 239000011148 porous material Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 238000007689 inspection Methods 0.000 claims 1
- 235000013305 food Nutrition 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 4
- 238000010146 3D printing Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009740 moulding (composite fabrication) Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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
- B29C64/20—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
- B29C64/30—Auxiliary operations or equipment
- B29C64/386—Data acquisition or data processing for additive manufacturing
- B29C64/393—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
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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
-
- 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
- B33Y50/00—Data acquisition or data processing for additive manufacturing
- B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The invention discloses a kind of self-service print heads of 3D printer.It includes nozzle component and platform assembly, platform assembly is equipped with bottom plate, pallet and mechanical limiting mechanism, bottom plate is mounted on the centre of platform assembly and at following position, pallet is placed on bottom plate and is connected on platform assembly, mechanical limiting mechanism is placed in the edge of bottom plate and is in contact with pallet, nozzle component is placed in the surface of pallet, nozzle component includes spray head outer cover, nozzle mechanism, piston mechanism and clout testing agency, nozzle mechanism is connect with piston mechanism, nozzle mechanism and piston mechanism are installed on spray head outer cover, clout testing agency is mounted on piston mechanism, mechanical limiting mechanism is connect with piston mechanism.The beneficial effects of the present invention are: do not need in real time to printer carry out manual operations, can self-service acquisition printed product, do not influence the normal use of printer, improve the working efficiency of printer；Print speed and stability are improved, the printing suitable for various food.
Description
Technical field
The present invention relates to 3D printer correlative technology fields, refer in particular to a kind of self-service print head of 3D printer.
Background technique
3D printer (3D Printers) referred to as (3DP) is the hair of an entitled En Likedini (Enrico Dini)
A kind of printer of mystery of dummy's design, " can not only print " building and completely build, it might even be possible in spaceship
The shape of any desired article is printed to astronaut.But 3D printing come out be object model, object cannot be printed
Function.
It interrogates on 2 3rd, 2016,3D printing engineering technology research and development centre, Fujian Inst. of Matter Structure, Chinese Academy of Sciences woods text
Male seminar breaches the three-dimension object rapid shaping key technology that can continuously print for the first time at home, and has developed a super
Digital projection (DLP) 3D printer that grade quickly continuously prints.The speed of the 3D printer has reached record-breaking 600mm/
S, can be in short 6 minutes, and " drawing " goes out the three-dimension object that a height is 60mm from resin storage tank, and same object is using biography
The stereolithography apparatus technique (SLA) of system prints, and needs about 10 hours, and speed improves 100 times fully！3D is beaten
Print realizes industrialization in space.
In the prior art, 3D printer is often printed according to the printer model of input in printing, and is being printed
Cheng Shi is generally required after waiting model formings to stablize, and just can be carried out the operation of next step, and such operation often leads to print
The working efficiency of machine is low.
Summary of the invention
The present invention is in order to overcome the above deficiencies in the prior art, to provide a kind of 3D printing that work efficiency is high
The self-service print head of machine.
To achieve the goals above, the invention adopts the following technical scheme:
A kind of self-service print head of 3D printer, including nozzle component and platform assembly are set on the platform assembly
There are bottom plate, pallet and mechanical limiting mechanism, the bottom plate is mounted on the centre of platform assembly and at following position, described
Pallet be placed on bottom plate and be connected on platform assembly, the mechanical limiting mechanism is placed in the edge of bottom plate and and pallet
It is in contact, the nozzle component is placed in the surface of pallet, and the nozzle component includes spray head outer cover, nozzle mechanism, work
Plug mechanism and clout testing agency, the nozzle mechanism are connect with piston mechanism, and the nozzle mechanism and piston mechanism are equal
It is mounted on spray head outer cover, the clout testing agency is mounted on piston mechanism, the mechanical limiting mechanism and piston
Mechanism connection.
In use, only needing for pallet to be placed on the bottom plate of platform assembly, and pallet position is limited by mechanical limiting mechanism
It sets, the presence for whether having pallet on bottom plate is detected by mechanical limiting mechanism, and if so, nozzle component works, if not
It does not work in the presence of then nozzle component locking；Then, nozzle component is started to work, and piston mechanism acts on nozzle mechanism and prints material
On pallet, while detecting by clout testing agency the clout in nozzle mechanism, it is ensured that the normal work of printer；In this way
Design so that printer at work, operator can the printed product obtained on pallet self-service in real time, and operator exists
When extracting pallet, the normal work of printer can be ensured by the linkage of mechanical limit switch and piston mechanism, is designed in this way
Do not need in real time to printer carry out manual operations, can self-service acquisition printed product, without influence printer normal use,
Substantially increase the working efficiency of printer.
Preferably, the platform assembly includes print platform, the middle position of the print platform is equipped with installation
Slot, the mounting groove include square groove and special-shaped slot, and it is flat that the mounting groove is that integrated, described square groove is placed in printing
At the center position of platform, one end of the special-shaped slot and one end of square groove are connected, and the other end of the special-shaped slot, which is placed in, to be beaten
On the edge for printing platform, the width of the special-shaped slot is from one end of square groove is placed in being placed in an edge of print platform gradually
Increase, the back side of the print platform and the outer edge for being placed in mounting groove are equipped with gasket, and the bottom plate passes through gasket and installs
At the mounting groove of print platform, the width of the square groove is less than one end width that special-shaped slot is placed in square groove, the pallet
Width and special-shaped slot be placed in one end equivalent width of square groove, the length of the pallet is greater than the length of square groove, the support
One edge middle of disk is equipped with knob handle, and the pallet is placed between bottom plate and square groove.Pass through mounting groove, gasket and bottom
Structure design between plate, enables pallet conveniently to navigate to the lower section of nozzle component, while energy by the guiding of mounting groove
Enough ensure the planarization of pallet, to ensure that the quality of printed product.
Preferably, the mechanical limiting mechanism includes mechanical limit switch and auxiliary stopper switch, the machinery
Limit switch is mounted on the back side of print platform and is placed in the right of square groove, and it is flat that the auxiliary stopper switch is mounted on printing
The back side of platform and the left side for being placed in square groove, the mechanical limit switch and auxiliary stopper switch are left at the back side of print platform
Right corresponding, the pallet is placed between mechanical limit switch and auxiliary stopper switch.Pass through the structure of mechanical limiting mechanism
Design can facilitate the position for limiting pallet, prevent pallet from relative displacement occurs and influence the product printed.
Preferably, on the print platform and being placed in the top of mounting groove equipped with reject chute, the print platform
The left side that is upper and being placed in reject chute is equipped with optical limit head, the back side of the print platform and is placed on the back side of optical limit head
Equipped with optical limit switches, the optical limit head is placed in optical limit switches.It is limited by optical limit switches and optics
Potential head is used cooperatively, and can effectively limit the position of print platform, to ensure the reliable printing of product.
Preferably, the piston mechanism includes spray head fixed block, screw rod and stepper motor, one end of the screw rod is set
Have a guide sleeve, the side of the guide sleeve is equipped with plug and screws, and the plug screws equipped with pulley, the screw rod it is another
End is equipped with connector, and the screw rod is mounted on stepper motor, and the stepper motor is mounted on the upper end of spray head fixed block
On face, the spray head outer cover is that integrally formed, described spray head outer cover includes motor cover and screw rod cover, the screw rod cover
It is placed in the top of motor cover, the spray head fixed block is mounted on the inside of motor cover, and the screw rod is equipped with one end of guide sleeve
It is placed in screw rod cover, the screw rod cover is equipped with guide groove, and the pulley is mounted in guide groove, the nozzle mechanism
Be mounted on the lower end of spray head fixed block, the clout testing agency be mounted on screw rod and spray head fixed block on.Pass through guiding
The travel displacement of screw rod, can easily be defined, to ensure nozzle component just by the design that set, plug screw with pulley
It is often used.
Preferably, the guide groove includes open slot and guide-track groove, the open slot is placed in the top of guide-track groove,
The pulley is equipped with groove, and the width of the open slot is greater than the diameter of pulley, and the width of the guide-track groove is less than pulley
Diameter and be greater than pulley upper groove internal diameter, the pulley by groove limit on guide-track groove, the screw rod cover outside
Side is equipped with metal plate shield, and the metal plate shield is equipped with waist-shaped hole, the position of the waist-shaped hole and the position of guide groove
It is corresponding.By the design of guide groove, on the one hand facilitate the pick-and-place of pulley by open slot, it is on the other hand convenient by guide groove
The upper and lower displacement of pulley；And the component of screw rod cover and its inside can be effectively protected in metal plate shield, while passing through waist-shaped hole
The doses in nozzle mechanism can be observed in real time, it is ensured that the normal use of printer.
Preferably, the clout testing agency includes light limit switch and clout inductive head, the clout inductive head
It is mounted on guide sleeve, the through-hole for placing screw rod, the spray head fixed block is equipped among the upper end of the spray head fixed block
Upper surface on and be placed in the side of stepper motor and be equipped with and limit fixed bracket, the support bracket fastened shape of limit is L-shaped, institute
State that limit is support bracket fastened to be fixedly mounted on one side on spray head fixed block, light is installed in the support bracket fastened another side upper end of the limit
Limit switch, the light limit switch are placed in the top of stepper motor and, the spray corresponding with above and below the position of clout inductive head
The lower end of head fixed block is equipped with left flange, right flange and rear flange, and the left flange, right flange and rear flange are solid with spray head
Determining block is integrally formed, described left flange and the symmetrical distribution of right flange, on the left flange and right flange
Equipped with mounting groove, the nozzle mechanism is mounted in mounting groove, and the spray head fixed block passes through rear flange and spray head outer cover
It is fixedly connected.It is designed by the structure of clout testing agency, it can be ensured that the normal use of printer.
Preferably, the nozzle mechanism includes collet, heating mantle and heating plug, the heating plug installation
On one end of heating mantle, the connector of the screw rod is placed on the other end of heating mantle, the heating mantle and heating plug
It is placed in collet, the upper end of the collet is equipped with heat-insulated flange, and the collet is mounted on spray by heat-insulated flange
On head fixed block, open pore is equipped among the lower end of the collet, the heating plug is placed in open pore.Pass through spray head
The structure of mechanism designs, and structure is simple, and installation and operation are convenient.
Preferably, the upper end of the heating mantle is equipped with heating flange, the heating flange matches with heat-insulated flange,
The heating mantle is matched by heating flange and heat-insulated flange to be mounted in collet, and the height of the heating flange is less than
The upper surface of the height of heat-insulated flange, the heating flange is equipped with several material guide grooves, and the cross-sectional shape of the material guide groove is in
The depth of triangle, the material guide groove is gradually increased from the inside edge of outer edge to the heating flange of heating flange.Pass through
Heating mantle and the design of the structure of collet and material guide groove are used cooperatively, and can the material of addition be preferably directed to heating
In set, the use for leaking and influencing nozzle component of material is prevented.
Preferably, the heating plug be it is integrally formed, the heating plug include cylinder set part and headgear portion
Point, the heating plug is connect by cylinder set part with heating mantle, on the headgear portions of lateral side of the heating plug uniformly
Several heating sheets are distributed with, the heating sheet is mounted on the cylinder set portions of lateral side of heating plug, the connection of the screw rod
It includes column part and conehead part that head, which is integrally formed, described connector, the column part diameter of the connector with
The cylinder set part internal diameter for heating plug is consistent, and the conehead partial shape of the connector is upper end cone and lower end cylinder
The conehead part lower end diameter of shape, the connector is consistent with the heating headgear section diameter of plug, the cone of the connector
Head divides lower end side to be equipped with gas pressure relief slot.Pass through the design of heating sheet, it can be ensured that the material at heating plug can be abundant
Be melted into liquid, it is ensured that the reliable use of nozzle component；By the design of gas pressure relief slot on connector, the conehead of connector is prevented
When partially entering the headgear part of heating plug, the cylinder set part formation one of the column part and heating plug of connector is close
Space is sealed, causes pressure to increase and damage nozzle component, while the security risk of nozzle component can be eliminated.Above-mentioned design is directed to
Nozzle component design optimization extrusion channel, substantially increases print speed and stability, while being also more suitable for various food
Printing.
The beneficial effects of the present invention are: ensuring the normal work of printer by the linkage of mechanical limit switch and piston mechanism
Make, do not need in real time to printer carry out manual operations, can self-service acquisition printed product, without influence printer normally make
With substantially increasing the working efficiency of printer；Print speed and stability are substantially increased, while being also more suitable for a variety of foods
The printing of material.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of platform assembly；
Fig. 3 is the bottom view of Fig. 2；
Fig. 4 is the structural schematic diagram of nozzle component；
Fig. 5, Fig. 6, Fig. 7 are the schematic diagram of internal structures of nozzle component.
In figure: 1. nozzle components, 2. platform assemblies, 3. metal plate shields, 4. spray head outer covers, 5. nozzle mechanisms, 6. printings
Platform, 7. bottom plates, 8. pallets, 9. reject chutes, 10. optical limit heads, 11. mounting grooves, 12. gaskets, 13. knob handles, 14. abnormity
Slot, 15. square grooves, 16. optical limit switches, 17. auxiliary stoppers switch, 18. mechanical limit switches, 19. screw rod covers, 20. electricity
Hood, 21. guide-track grooves, 22. open slots, 23. guide grooves, 24. clout inductive heads, 25. pulleys, 26. plugs screw, 27. guiding
Set, 28. screw rods, 29. light limit switch, the fixed bracket of 30. limits, 31. stepper motors, 32. spray head fixed blocks, flange after 33.,
34. left flange, 35. right flange, 36. connectors, 37. gas pressure relief slots, 38. heat-insulated flange, 39. collets, 40. material guide grooves, 41. circles
Post part, 42. conehead parts, 43. heating flange, 44. heating mantles, 45. set parts, 46. heating sheets, 47. heating plugs,
48. headgear part.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and detailed description.
In embodiment as described in Figure 1, a kind of self-service print head of 3D printer, including nozzle component 1 and platform group
Part 2, platform assembly 2 are equipped with bottom plate 7, pallet 8 and mechanical limiting mechanism, and bottom plate 7 is mounted on the centre of platform assembly 2 and on the lower
At the position on side, pallet 8 is placed on bottom plate 7 and is connected on platform assembly 2, and mechanical limiting mechanism is placed in the edge of bottom plate 7
And be in contact with pallet 8, nozzle component 1 is placed in the surface of pallet 8, nozzle component 1 include spray head outer cover 4, nozzle mechanism 5,
Piston mechanism and clout testing agency, nozzle mechanism 5 are connect with piston mechanism, and nozzle mechanism 5 and piston mechanism are installed in spray
On head outer cover 4, clout testing agency is mounted on piston mechanism, and mechanical limiting mechanism is connect with piston mechanism.
As shown in Figure 2 and Figure 3, platform assembly 2 includes print platform 6, and the middle position of print platform 6 is equipped with mounting groove
11, mounting groove 11 include square groove 15 and special-shaped slot 14, mounting groove 11 be it is integrated, square groove 15 is being placed in print platform 6 just
One end of center position special-shaped slot 14 is connect with one end of square groove 15, and the other end of special-shaped slot 14 is placed in print platform 6
On one edge, the width of special-shaped slot 14 is gradually increased from the one end for being placed in square groove 15 to the edge for being placed in print platform 6, is beaten
The back side of print platform 6 and the outer edge for being placed in mounting groove 11 are equipped with gasket 12, and bottom plate 7 passes through gasket 12 and is mounted on print platform
At 6 mounting groove 11, the width of square groove 15 is less than one end width that special-shaped slot 14 is placed in square groove 15, the width of pallet 8 with
Special-shaped slot 14 is placed in one end equivalent width of square groove 15, and the length of pallet 8 is greater than the length of square groove 15, one side of pallet 8
Edge middle is equipped with knob handle 13, and pallet 8 is placed between bottom plate 7 and square groove 15.Mechanical limiting mechanism includes that mechanical position limitation is opened
Pass 18 and auxiliary stopper switch 17, mechanical limit switch 18 are mounted on the back side of print platform 6 and are placed in the right of square groove 15,
Auxiliary stopper switch 17 is mounted on the back side of print platform 6 and is placed in the left side of square groove 15, mechanical limit switch 18 and auxiliary
Limit switch 17 is corresponding at the back side of print platform 6 or so, and pallet 8 is placed in mechanical limit switch 18 and auxiliary stopper switch 17
Between.It on print platform 6 and is placed in the top of mounting groove 11 and is equipped with reject chute 9, on print platform 6 and be placed in the left side of reject chute 9
Side is equipped with optical limit switches equipped with optical limit head 10, the back side of print platform 6 and the back side for being placed in optical limit head 10
16, optical limit head 10 is placed in optical limit switches 16.
As shown in Figure 4, Figure 5, piston mechanism includes spray head fixed block 32, screw rod 28 and stepper motor 31, and the one of screw rod 28
End is equipped with guide sleeve 27, and the side of guide sleeve 27 is equipped with plug and screws 26, and plug, which screws, 26 is equipped with pulley 25, screw rod 28 it is another
One end is equipped with connector 36, and screw rod 28 is mounted on stepper motor 31, and stepper motor 31 is mounted on the upper end of spray head fixed block 32
On face, spray head outer cover 4 be it is integrally formed, spray head outer cover 4 includes motor cover 20 and screw rod cover 19, and screw rod cover 19 is placed in motor cover
20 top, spray head fixed block 32 are mounted on the inside of motor cover 20, and one end that screw rod 28 is equipped with guide sleeve 27 is placed in screw rod cover
In 19, screw rod cover 19 is equipped with guide groove 23, and pulley 25 is mounted in guide groove 23, and nozzle mechanism 5 is mounted on spray head fixed block
32 lower end, clout testing agency be mounted on screw rod 28 and spray head fixed block 32 on.Guide groove 23 includes open slot 22 and leads
Track slot 21, open slot 22 are placed in the top of guide-track groove 21, and pulley 25 is equipped with groove, and the width of open slot 22 is greater than pulley 25
Diameter, the width of guide-track groove 21 are less than the diameter of pulley 25 and are greater than the internal diameter of 25 upper groove of pulley, and pulley 25 is limited by groove
On guide-track groove 21, the outside of screw rod cover 19 is equipped with metal plate shield 3 for position, and metal plate shield 3 is equipped with waist-shaped hole, waist-shaped hole
Position is corresponding with the position of guide groove 23.
As shown in Figure 5, Figure 6, clout testing agency includes light limit switch 29 and clout inductive head 24, and clout inductive head 24 is pacified
The through-hole for placing screw rod 28 is equipped on guide sleeve 27, among the upper end of spray head fixed block 32, spray head fixed block 32
It on upper surface and is placed in the side of stepper motor 31 and is equipped with and limits fixed bracket 30, the shape for limiting fixed bracket 30 is L-shaped, limit
The fixed bracket 30 in position is fixedly mounted on one side on spray head fixed block 32, limits the another side upper end installation light limit of fixed bracket 30
Switch 29, light limit switch 29 are placed in the top of stepper motor 31 and corresponding with above and below the position of clout inductive head 24, and spray head is solid
Determine block 32 lower end be equipped with left flange 34, right flange 35 and rear flange 33, left flange 34, right flange 35 and rear flange 33 with spray
Head fixed block 32 be it is integrally formed, left flange 34 and the symmetrical distribution of right flange 35, the left flange 34 and the right side are turned over
Mounting groove 11 is equipped on side 35, nozzle mechanism 5 is mounted in mounting groove 11, and spray head fixed block 32 passes through rear flange 33 and spray head
Outer cover 4 is fixedly connected.Wherein: it is consistent with optical limit switches 16 that light limits switch 29, and inside is equipped with grating, passes through grating
Incuded.The heat-insulated flange 38 of collet 39 is placed in the mounting groove 11 of left flange 34 and right flange 35, to realize heat-insulated
Set 39 is mounted on spray head fixed block 32.
As shown in Figure 6, Figure 7, nozzle mechanism 5 includes collet 39, heating mantle 44 and heating plug 47, and heating plug 47 is pacified
On one end of heating mantle 44, the connector 36 of screw rod 28 is placed on the other end of heating mantle 44, and heating mantle 44 and heating are stifled
First 47 are placed in collet 39, and the upper end of collet 39 is equipped with heat-insulated flange 38, and collet 39 is installed by heat-insulated flange 38
On spray head fixed block 32, open pore is equipped among the lower end of collet 39, heating plug 47 is placed in open pore.Heating mantle 44
Upper end be equipped with heating flange 43, heating flange 43 match with heat-insulated flange 38, heating mantle 44 by heating flange 43 and every
Hot flange 38, which matches, to be mounted in collet 39, and the height of heating flange 43 is less than the height of heat-insulated flange 38, heats flange
43 upper surface is equipped with several material guide grooves 40, and the cross-sectional shape of material guide groove 40 is triangular in shape, and the depth of material guide groove 40 is from adding
The inside edge of the outer edge of hot flange 43 to heating flange 43 is gradually increased.Heating plug 47 is integrally formed, heating
Plug 47 includes cylinder set part 45 and headgear part 48, and heating plug 47 covers part 45 by cylinder and connect with heating mantle 44, heats
Several heating sheets 46 are evenly distributed on 48 lateral surface of headgear part of plug 47, heating sheet 46 is mounted on the cylinder of heating plug 47
Cover 45 lateral surface of part on, the connector 36 of screw rod 28 be it is integrally formed, connector 36 include column part 41 and cone head part
Divide 42,41 diameter of column part of connector 36 is consistent with cylinder set 45 internal diameter of part of heating plug 47, the cone of connector 36
42 shapes of head point are that upper end cone and lower end are cylindrical, 42 lower end diameter of conehead part and heating plug 47 of connector 36
48 diameter of headgear part it is consistent, 42 lower end side of conehead part of connector 36 is equipped with gas pressure relief slot 37.
In use, pallet 8 is placed on the bottom plate 7 of print platform 6 by handle 13 of shaking hands first, along the different of mounting groove 11
Shape slot 14 is placed into the square groove 15 of mounting groove 11, and support is limited by mechanical limit switch 18 and auxiliary stopper switch 17
8 position of disk, moreover it is possible to the presence for whether having pallet 8 on bottom plate 7 detected, and if so, nozzle component 1 works, if there is no then
1 locking of nozzle component does not work；Then, nozzle component 1 is started to work, and stepper motor 31 drives screw rod 28 to move up and down, and plug is beaten
Pulley 25 on screw 26 is placed in the guide-track groove 21 of guide groove 23 and moves up and down, the clout sense on 28 upper end guide sleeve 27 of screw rod
Answer the doses in first 24 detection heating mantles 44 corresponding with the light limit switch 29 limited on fixed bracket 30, the company of 28 lower end of screw rod
Connector 36 is placed in heating mantle 44 and moves up and down, and collet 39 is placed in the outside of heating mantle 44 to completely cut off heat, improves printer
Safety；The material being placed on the heating flange 43 of heating mantle 44 can be flowed into heating mantle 44 by material guide groove 40, be passed through
The extruding of connector 36 prints on pallet 8；And the design of heating sheet 46 can ensure that the material heated in plug 47 is melted into liquid,
It ensure that the normal use of the printer；After printing is completed, it can be stayed in extra in heating mantle 44 and heating plug 47
Material continues to print in reject chute 9, is positioned by optical limit head 10 on print platform 6 and optical limit switches 16,
And it can ensure the subsequent reliable use of the printer after all printing material.
Claims (10)
1. a kind of self-service print head of 3D printer, characterized in that described including nozzle component (1) and platform assembly (2)
Platform assembly (2) is equipped with bottom plate (7), pallet (8) and mechanical limiting mechanism, the bottom plate (7) and is mounted on platform assembly (2)
Centre and at the following position, the pallet (8) is placed on bottom plate (7) and is connected on platform assembly (2), described
Mechanical limiting mechanism is placed in the edge of bottom plate (7) and is in contact with pallet (8), and the nozzle component (1) is placed in pallet (8)
Surface, the nozzle component (1) includes spray head outer cover (4), nozzle mechanism (5), piston mechanism and clout testing agency,
The nozzle mechanism (5) is connect with piston mechanism, and the nozzle mechanism (5) and piston mechanism are installed in spray head outer cover
(4) on, the clout testing agency is mounted on piston mechanism, and the mechanical limiting mechanism is connect with piston mechanism.
2. a kind of self-service print head of 3D printer according to claim 1, characterized in that the platform assembly
It (2) include print platform (6), the middle position of the print platform (6) is equipped with mounting groove (11), the mounting groove (11)
Including square groove (15) and special-shaped slot (14), the mounting groove (11) is that integrated, described square groove (15) is placed in printing
At the center position of platform (6), one end of the special-shaped slot (14) is connect with one end of square groove (15), the special-shaped slot
(14) the other end is placed on an edge of print platform (6), and the width of the special-shaped slot (14) is from being placed in square groove (15)
One end is gradually increased to the edge for being placed in print platform (6), the back side of the print platform (6) and is placed in mounting groove (11)
Outer edge is equipped with gasket (12), and the bottom plate (7) is mounted on the mounting groove (11) of print platform (6) by gasket (12)
Place, the width of the square groove (15) are less than one end width that special-shaped slot (14) are placed in square groove (15), the width of the pallet (8)
Degree is placed in one end equivalent width of square groove (15) with special-shaped slot (14), and the length of the pallet (8) is greater than square groove (15)
One edge middle of length, the pallet (8) is equipped with knob handle (13), and the pallet (8) is placed in bottom plate (7) and square groove
(15) between.
3. a kind of self-service print head of 3D printer according to claim 2, characterized in that the mechanical position limitation machine
Structure includes mechanical limit switch (18) and auxiliary stopper switch (17), and the mechanical limit switch (18) is mounted on print platform
(6) the back side and the right for being placed in square groove (15), the auxiliary stopper switch (17) are mounted on the back side of print platform (6)
And it is placed in the left side of square groove (15), the mechanical limit switch (18) and auxiliary stopper switch (17) are in print platform (6)
The back side or so it is corresponding, the pallet (8) is placed between mechanical limit switch (18) and auxiliary stopper switch (17).
4. a kind of self-service print head of 3D printer according to claim 2 or 3, characterized in that the printing is flat
It on platform (6) and is placed in the top of mounting groove (11) and is equipped with reject chute (9), on the print platform (6) and be placed in reject chute (9)
The left side be equipped with optical limit head (10), the back side of the print platform (6) and being placed on the back side of optical limit head (10) is set
Have optical limit switches (16), the optical limit head (10) is placed in optical limit switches (16).
5. a kind of self-service print head of 3D printer according to claim 1, characterized in that the piston mechanism packet
Spray head fixed block (32), screw rod (28) and stepper motor (31) are included, one end of the screw rod (28) is equipped with guide sleeve (27), described
The side of guide sleeve (27) is equipped with plug and screws (26), and the plug screws (26) equipped with pulley (25), the screw rod
(28) the other end is equipped with connector (36), and the screw rod (28) is mounted on stepper motor (31), the stepper motor
(31) it is mounted on the upper surface of spray head fixed block (32), the spray head outer cover (4) is outside integrally formed, described spray head
Covering (4) includes motor cover (20) and screw rod cover (19), and the screw rod cover (19) is placed in the top of motor cover (20), the spray
Head fixed block (32) is mounted on the inside of motor cover (20), and one end that the screw rod (28) is equipped with guide sleeve (27) is placed in screw rod cover
(19) in, the screw rod cover (19) is equipped with guide groove (23), and the pulley (25) is mounted in guide groove (23), described
Nozzle mechanism (5) be mounted on the lower ends of spray head fixed block (32), the clout testing agency be mounted on screw rod (28) and
On spray head fixed block (32).
6. a kind of self-service print head of 3D printer according to claim 5, characterized in that the guide groove (23)
Including open slot (22) and guide-track groove (21), the open slot (22) is placed in the top of guide-track groove (21), the pulley
(25) it is equipped with groove, the width of the open slot (22) is greater than the diameter of pulley (25), and the width of the guide-track groove (21) is small
Diameter in pulley (25) and the internal diameter greater than pulley (25) upper groove, the pulley (25) are limited by groove in guide-track groove
(21) on, the outside of the screw rod cover (19) is equipped with metal plate shield (3), and the metal plate shield (3) is equipped with waist-shaped hole,
The position of the waist-shaped hole is corresponding with the position of guide groove (23).
7. a kind of self-service print head of 3D printer according to claim 5 or 6, characterized in that the clout inspection
Surveying mechanism includes that light limit switch (29) and clout inductive head (24), the clout inductive head (24) are mounted on guide sleeve (27)
On, the through-hole for placing screw rod (28), the spray head fixed block (32) are equipped among the upper end of the spray head fixed block (32)
Upper surface on and be placed in the side of stepper motor (31) and be equipped with and limit fixed bracket (30), it is described to limit fixed bracket (30)
Shape is L-shaped, and limit fixed bracket (30) are fixedly mounted on one side on spray head fixed block (32), the fixed branch of the limit
The another side upper end installation light limit switch (29) of frame (30), the described light limit switch (29) be placed in the top of stepper motor (31) and
Corresponding with above and below the position of clout inductive head (24), the lower end of the spray head fixed block (32) is equipped with left flange (34), the right side is turned over
Side (35) and rear flange (33), the left flange (34), right flange (35) and rear flange (33) with spray head fixed block (32)
It is integrally formed, described left flange (34) and right flange (35) symmetrical distribution, the left flange (34) and the right side
It is equipped on flange (35) mounting groove (11), the nozzle mechanism (5) is mounted in mounting groove (11), and the spray head is fixed
Block (32) is fixedly connected by rear flange (33) with spray head outer cover (4).
8. a kind of self-service print head of 3D printer according to claim 5, characterized in that the nozzle mechanism
It (5) include that collet (39), heating mantle (44) and heating plug (47), the heating plug (47) are mounted on heating mantle (44)
One end on, the connector (36) of the screw rod (28) is placed on the other end of heating mantle (44), the heating mantle (44) and
Heating plug (47) is placed in collet (39), and the upper end of the collet (39) is equipped with heat-insulated flange (38), it is described every
Hot jacket (39) is mounted on spray head fixed block (32) by heat-insulated flange (38), is equipped with and is opened among the lower end of the collet (39)
Oral pore, the heating plug (47) are placed in open pore.
9. a kind of self-service print head of 3D printer according to claim 8, characterized in that the heating mantle (44)
Upper end is equipped with heating flange (43), and the heating flange (43) matches with heat-insulated flange (38), the heating mantle (44)
Matched by heating flange (43) and heat-insulated flange (38) and is mounted in collet (39), the height of heating flange (43)
Less than the height of heat-insulated flange (38), the upper surface of heating flange (43) is equipped with several material guide grooves (40), described to draw material
The cross-sectional shape of slot (40) is triangular in shape, and the depth of the material guide groove (40) is from the outer edge of heating flange (43) to heating
The inside edge of flange (43) is gradually increased.
10. a kind of self-service print head of 3D printer according to claim 9, characterized in that the heating plug
(47) be it is integrally formed, the heating plug (47) include cylinder set part (45) and headgear part (48), the heating block up
Head (47) covers part (45) by cylinder and connect with heating mantle (44), on headgear part (48) lateral surface of heating plug (47)
It is evenly distributed with several heating sheets (46), the heating sheet (46) is mounted on the outside of the cylinder set part (45) of heating plug (47)
On face, the connector (36) of the screw rod (28) be integrally formed, described connector (36) include column part (41) and
Conehead part (42), column part (41) diameter of the connector (36) and cylinder set part (45) internal diameter of heating plug (47)
Consistent, conehead part (42) shape of the connector (36) is that upper end cone and lower end are cylindrical, the connector
(36) conehead part (42) lower end diameter is consistent with heating headgear part (48) diameter of plug (47), the connector
(36) conehead part (42) lower end side is equipped with gas pressure relief slot (37).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811566118.5A CN109624320B (en) | 2018-12-21 | 2018-12-21 | Self-service print head of 3D printer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811566118.5A CN109624320B (en) | 2018-12-21 | 2018-12-21 | Self-service print head of 3D printer |
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| CN109624320B CN109624320B (en) | 2023-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (1)
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|---|---|---|---|---|
| CN110154389A (en) * | 2019-04-26 | 2019-08-23 | 长兴时印科技有限公司 | A kind of western-style restaurant's 3D printing equipment |
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|---|---|
| CN109624320B (en) | 2023-07-07 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20200212 Address after: Room 510-1, building 12, No. 1818-2, Wenyi West Road, Yuhang street, Yuhang District, Hangzhou City, Zhejiang Province Applicant after: Hangzhou Pan Da Technology Co.,Ltd. Address before: 313100, room three, building 105, Science Park, intersection of four road and Taihu Road, Huzhou, Changxing County, Zhejiang, China Applicant before: CHANGXING SHIYIN TECHNOLOGY CO.,LTD. |
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Denomination of invention: A self-service printing head for a 3D printer Granted publication date: 20230707 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Hangzhou Yuhang sub branch Pledgor: Hangzhou Pan Da Technology Co.,Ltd. Registration number: Y2024980013010 |