CN208543827U - Printing head - Google Patents
Printing head Download PDFInfo
- Publication number
- CN208543827U CN208543827U CN201821101781.3U CN201821101781U CN208543827U CN 208543827 U CN208543827 U CN 208543827U CN 201821101781 U CN201821101781 U CN 201821101781U CN 208543827 U CN208543827 U CN 208543827U
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- China
- Prior art keywords
- screw rod
- pump assembly
- rod pump
- printing head
- head according
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- 238000007639 printing Methods 0.000 title claims abstract description 40
- 239000011449 brick Substances 0.000 claims description 28
- 239000004065 semiconductor Substances 0.000 claims description 25
- 238000003860 storage Methods 0.000 claims description 24
- 238000001816 cooling Methods 0.000 claims description 23
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 17
- 239000007921 spray Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000000034 method Methods 0.000 description 14
- 239000000976 ink Substances 0.000 description 13
- 238000009434 installation Methods 0.000 description 9
- 238000010146 3D printing Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 4
- 239000012620 biological material Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 235000012149 noodles Nutrition 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 239000000560 biocompatible material Substances 0.000 description 1
- 230000008827 biological function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000010261 cell growth Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000004886 head movement Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000013178 mathematical model Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 210000004210 tooth component Anatomy 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a kind of printing heads, are related to biometric print field, to realize screw pump without tool ejector.The printing head includes shell, driving part and screw rod pump assembly.Shell includes mounting hole, and driving part is installed on one end of mounting hole.Screw rod pump assembly is installed on the other end of mounting hole；The end of the rotor of the end of the drive shaft of the driving part and the screw rod pump assembly, which is formed, can drive rotation and the unconfined cooperation on the disassembly direction of the screw rod pump assembly.Above-mentioned technical proposal reduces the constraint between driving part and screw rod pump assembly, as long as so that the cooperation of the two can make the two rotate synchronously.Due to not having additional, unwanted constraint between driving part and screw rod pump assembly, when needing to clean, replacing screw pump and dismounting screw rod pump assembly, the constraint of required removal is few, dismounts convenient and efficient.
Description
Technical field
The utility model relates to biometric print fields, and in particular to a kind of printing head.
Background technique
Biological 3D printing refers to the principle and method by 3D printing, by biomaterial (including natural biologic material, synthesis
Biomaterial or cell solution) three-dimensional structure of the printing as design.It is different from common 3D printing technique, biological 3D printing
The biological tissue of technology production or organ have certain biological function, need to provide item for the further growth of cell and tissue
Part.Just because of above-mentioned characteristic, biological 3D printing technique is faced with many specific technical problems in development.
Wherein, in biological 3D printing field, it is known as cell three-dimensional printing technique, people for cell as the technology of printed material
Can use cell and biological prepared Chinese ink is made in biocompatible materials, spray head is mobile simultaneously to spray biological prepared Chinese ink, passes through program
Spray head movement printing bio-ink is controlled, biological prepared Chinese ink is beaten according to the three-dimensional building mathematical model of preset target print object
It is printed as type.
Current existing 3D printing nozzle structure is described below.Biological brick printing head includes screw pump, motor and shell,
Screw pump is located at enclosure interior, and passes through the connection of the components such as bolt between screw pump and motor.
Inventors have found that first to use tool disassemble shell, and by spiral shell when needing to clean or replacing screw pump
Bar pump and motor take out；Then tool is used to dismantle motor and screw pump, demounting procedure is more and must dismantle by tool
Process is complicated, and time-consuming.
Utility model content
The utility model proposes a kind of printing heads, to simplify its disassembly process.
The utility model provides a kind of printing head, comprising:
Shell, including mounting hole；
Driving part is installed on one end of the mounting hole；And
Screw rod pump assembly is installed on the other end of the mounting hole；The end of the drive shaft of the driving part with it is described
The end of the rotor of screw rod pump assembly forms can drive and rotates and unconfined on the disassembly direction of the screw rod pump assembly match
It closes.
In some embodiments, printing head further include:
Biological brick storage container, the screw rod pump assembly are installed on the mounting hole by the biological brick storage container
The other end.
In some embodiments, printing head further include:
Connector is installed on the screw rod pump assembly；The biological brick storage container is inserted into the shell and directly and institute
Connector is stated to be detachably connected.
In some embodiments, the outlet outer cover of the biological brick storage container is equipped with ring set, and the ring set is equipped with interior
Screw thread；The connector is equipped with the external screw thread with the screw-internal thread fit.
In some embodiments, the screw rod pump assembly is equipped with the first protrusion, and first protrusion is equipped with lock groove；It is described
Shell is equipped with the first groove, buckle is equipped in first groove, the buckle is for being detached from the lock groove and being caught in
Switch between the position of the lock groove.
In some embodiments, printing head further include:
Connection component, including intermeshing first tooth assembly and the second tooth assembly, first tooth assembly are installed on institute
Driving part is stated, second tooth assembly is installed on the rotor.
In some embodiments, second tooth assembly is detachably connected with the rotor by pin shaft.
In some embodiments, the edge of first tooth assembly is equipped with the first helical teeth, the middle part of first tooth assembly
Equipped with the second protrusion；The edge of second tooth assembly is equipped with the second helical teeth, and it is recessed that the middle part of second tooth assembly is equipped with second
Slot.
In some embodiments, the bullet for assisting disassembly is folded between the driving part and the screw rod pump assembly
Spring.
In some embodiments, the screw rod pump assembly includes:
The screw rod pump assembly includes:
Screw pump, including stator, the rotor and mounting base；The stator is detachably connected with the mounting base, described
Rotor is rotatably connected with the mounting base；Flow space is formed between the rotor and the mounting base；
Pedestal is positioned partially or entirely in the shell, and the screw pump is installed on the pedestal；And
Spray head is installed on the one end of the stator far from the driving part.
In some embodiments, the mounting base is inserted into the through-hole of the pedestal.
In some embodiments, the mounting base includes the unthreaded hole for wearing the smooth section of the rotor, the unthreaded hole
As flow space, the radius of the unthreaded hole is 3mm-4mm in gap between the outer wall of the smooth section of the rotor.
In some embodiments, printing head further include:
Temperature control equipment is installed on the shell, for controlling the temperature of the enclosure interior.
In some embodiments, the temperature control equipment includes:
Semiconductor cooling device, set on the inner wall of the shell, for cooling down to the screw rod pump assembly；And
Radiator is set to the semiconductor cooling device nearby or covers the semiconductor cooling device, for institute
State semiconductor cooling device cooling.
In some embodiments, the radiator includes:
Water cooling unit, for providing chilled water.
In some embodiments, the screw rod pump assembly is directly removably installed in the other end of the mounting hole.
Based on the above-mentioned technical proposal, the utility model embodiment at least can produce following technical effect:
Above-mentioned technical proposal reduces the constraint between driving part and screw rod pump assembly, and the cooperation of the two can make
The two rotates synchronously.Due to there is no additional, unwanted constraint between driving part and screw rod pump assembly, need to clean, more
When changing screw pump and dismounting screw rod pump assembly, the constraint of required removal is few, dismounts convenient and efficient.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application,
The exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the improper of the utility model
It limits.In the accompanying drawings:
Fig. 1 is printing head schematic perspective view provided by the embodiment of the utility model；
Fig. 2 is printing head decomposition diagram provided by the embodiment of the utility model；
Fig. 3 is the schematic cross-sectional view of Fig. 2；
Fig. 4 is the partial structure diagram of printing head provided by the embodiment of the utility model；
Fig. 5 is the structural schematic diagram of printing head connection component provided by the embodiment of the utility model；
Fig. 6 is the A-A schematic cross-sectional view of Fig. 5；
Fig. 7 is the partial structure diagram of printing head provided by the embodiment of the utility model.
Specific embodiment
Below with reference to FIG. 1 to FIG. 7, technical scheme provided by the present invention will be described in more detail.
Referring to Fig. 1 to Fig. 3, the utility model embodiment provides a kind of printing head, including shell 1, driving part 2 and
Screw rod pump assembly 3.Shell 1 includes mounting hole 11, and driving part 2 is installed on one end of mounting hole 11, and screw rod pump assembly 3 is installed on
The other end of mounting hole 11.The end of the rotor 35 of the end and screw rod pump assembly 3 of the drive shaft of driving part 2 forms and can drive
Rotation but the cooperation that constraint is not formed on disassembly direction, so that driving part 2 can drive the rotation of rotor 35 and not shadow
Ring the disassembly of screw rod pump assembly 3.
In some embodiments, disassembly direction refers to the axial direction for being parallel to the rotor 35 of screw rod pump assembly 3 and far from institute
State the direction of driving part 2.For the direction shown in Fig. 2 or Fig. 3, refer to downwardly direction.
For example, the end of the drive shaft of driving part 2 is equipped with square hole or other non-circular holes, the shape of the end of rotor 35
Cooperate with the end of the drive shaft of driving part 2, so that 2 energy band turn 35 of driving part rotates, but the cooperation does not exist
The disassembly direction of rotor 35 forms constraint.In some embodiments, according to the mode dismantling screw pump assembly 3 pulled out downwards, then
The end of the rotor 35 of the end and screw rod pump assembly 3 of the drive shaft of driving part 2 forms the constraint cooperation being able to rotate, the constraint
Can make rotor 35 with the rotation of driving part 2 and rotor 35 in disassembly direction be it is free, it is easy to disassemble.
Driving part 2 is such as using motor etc..Screw rod pump assembly 3 is an entirety, integral installation or disassembly.Structure letter
The operation of installation, disassembly is changed.
Referring to figs. 2 and 3, driving part 2 and screw rod pump assembly 3 are mounted on shell 1, are supported by shell 1.Driving portion
Not mutually support between part 2 and screw rod pump assembly 3.When the structure makes dismantling screw pump assembly 3, driving part 2 is not influenced,
Operation when cleaning, replacement screw rod pump assembly 3 is enormously simplified, and disassembly efficiency is high.
Referring to Fig. 3 to Fig. 6.Printing head further includes connection component 6, and connection component 6 includes intermeshing first tooth group
Part 61 and the second tooth assembly 62, the first tooth assembly 61 are installed on driving part 2, and the second tooth assembly 62 is installed on rotor 35.Driving
The rotation of component 2 drives the rotation of the first tooth assembly 61.First tooth assembly 61 with the second tooth assembly 62 by engaging, to drive the second tooth
Component 62 rotates.Since the second tooth assembly 62 is mounted on one end of rotor 35, therefore the second tooth assembly 62 drives rotor 35 to rotate.On
Structure is stated, so that passing through the cooperation of engaging of the second tooth assembly 62 and the first tooth assembly 61, realization between rotor 35 and driving part 2
The transmitting of torque.
As shown in Figure 5 and Figure 6, the specific structure of the first tooth assembly 61 and the second tooth assembly 62 is as follows, the first tooth assembly 61
Edge be equipped with the first helical teeth 611, the middle part of the first tooth assembly 61 is equipped with the second protrusion 612；The edge of second tooth assembly 62 is set
There is the second helical teeth 621, the middle part of the second tooth assembly 62 is equipped with the second groove 622.The output shaft of rotor 35 and driving part 2 passes through
Ratcheting, the realization synchronous rotation of first helical teeth 611 and the second helical teeth 621.The positioning of rotor 35 and driving part 2 is recessed by second
The cooperation of slot 622 and the second protrusion 612 is realized.
It is understood that tooth included by the first tooth assembly 61 can be above-mentioned helical teeth, it also can be straight-tooth.Second tooth
Tooth included by component 62 can be above-mentioned helical teeth, also can be straight-tooth.The tooth of first tooth assembly 61 and the second tooth assembly 62
Tooth matching.
Using the above structure, the automatic centering of driving part 2 and screw rod pump assembly 3 during the installation process is realized, is reduced
Installation difficulty, improves installation effectiveness, at the same realize driving part 2 and screw rod pump assembly 3 in disassembly process without work
Tool disassembly, improves removal efficiency.
It is understood that in some embodiments, engaging tooth can be directly arranged in the drive shaft of driving part 2, rotor
35 (for example, the first helical teeth 611 can be directly arranged in the drive shaft of driving part 2, the second helical teeth 621 can be directly arranged in rotor
35), while the second protrusion 612 can be directly arranged in the drive shaft of driving part 2, and the second groove 622 can be directly arranged in rotor
35.The implementation can save connection component 6, also achieve the automatic centering of driving part 2 and screw rod pump assembly 3, reduce
Number of components reduces installation difficulty, improves installation effectiveness.
Referring to Fig. 3, for the ease of dismantling screw pump assembly 3, it is folded with and is used between driving part 2 and screw rod pump assembly 3
Assist the spring 8 of disassembly.
Referring to Fig. 3, spring 8 is located at the outside of the first tooth assembly 61 and the second tooth assembly 62, and is located at the end of driving part 2
Between the end face for the end cap installed on the outside of the axle sleeve 37 of face and rotor 35.When 8 compressive state of spring, the upper end of spring 8 and driving
The end face of the output shaft of component 2 contacts, and the lower end of spring 8 is contacted with the end face of end cap.
After screw rod pump assembly 3 is installed in place, spring 8 is in compressive state, when needing dismantling screw pump assembly 3, as long as disconnected
The connection between buckle 13 and lock groove 32 described hereinafter is opened, the elastic force that the spring 8 in compressive state provides, so that spiral shell
Bar pump assembly 3 is easy to pop up, consequently facilitating the disassembly of screw rod pump assembly 3.
The connection type between screw rod pump assembly 3 and shell 1 is described below.
In some embodiments, screw rod pump assembly 3 is directly removably installed in the other end of mounting hole 11, such as logical
It crosses threaded connection to connect with mounting hole 11, be dismounted with realizing without tool.
Referring to Fig. 3, in further embodiments, screw rod pump assembly 3 is installed on shell 1 using following manner: printing is sprayed
Head further includes biological brick storage container 4, and screw rod pump assembly 3 is installed on the other end of mounting hole 11 by biological brick storage container 4.
Biological brick storage container 4 and for storing biological brick prepared Chinese ink, also as being connected between screw rod pump assembly 3 and shell 1
Subsidiary combining member.So set, screw rod pump assembly 3 can be pulled up easily very much after disassembling biological brick storage container 4, letter
Disassembly process is changed.
Referring to Fig. 3, in some embodiments, printing head further includes connector 5, and connector 5 is installed on screw rod pump assembly
3.Biological brick storage container 4 is inserted into shell 1 and is directly detachably connected with connector 5.
Be not provided with pipe etc. between biological brick storage container 4 and connector 5, biological brick storage container 4 directly with connection
Part 5 is detachably connected, specifically such as threaded connection, grafting etc..The connection type can save biological brick storage container 4 and connector
Pipe between 5 reduces unnecessary waste to avoid the relict brick prepared Chinese ink in pipe.
Referring to Fig. 3, in some embodiments, the outlet outer cover of biological brick storage container 4 is equipped with ring set 41, and ring set 41 is set
There is internal screw thread 42；Connector 5 is equipped with the external screw thread 51 cooperated with internal screw thread 42.Biological brick storage container 4 and connector 5 pass through interior
Screw thread 42 and external screw thread 51, which are realized, to be threadedly coupled.
Referring to Fig. 3, in order to enable the connection of screw rod pump assembly 3 and shell 1 is more firm, in some embodiments, screw rod
Pump assembly 3 is equipped with the first protrusion 31, and the first protrusion 31 is equipped with lock groove 32.Shell 1 is equipped with the first groove 12, in the first groove 12
Buckle 13 is installed.Buckle 13 is being detached from lock groove 32 and is being caught in lock groove 32 and is switched between the two positions.When buckle 13 blocks
Enter lock groove 32,1 locking of screw rod pump assembly 3 and shell is buckled 13 for screw rod when the disengaging lock groove 32 of buckle 13 by buckle 13
Pump assembly 3 and shell 1 unlock.
The step of installing screw rod pump assembly 3 (screw rod pump assembly is installed on shell) is as follows:
Firstly, assembling forms screw pump.Rotor 35 is installed in rotation in mounting base 38 by components such as axle sleeves 37,
Then stator 34 is plugged on end of the mounting base 38 far from driving part 2.Above-mentioned two interchangeable sequence of operating procedure.It is real
In the production of border, the multiple screw pumps of flow line production can be used.
Then, spray head 36 is inserted into the through-hole of pedestal 33.Then, directly screw pump is installed on and has installed spray head
In the through-hole of 36 pedestal 33.Screw pump plays positioning action to spray head 36, so that spray head 36 is installed in place.So far, screw pump
Component 3 is completed.
Next, shifting buckle 13 onto unlocked position, that is, it is detached from the position of lock groove 32；Screw rod pump assembly 3 is put into
In the mounting hole 11 of shell 1, so that the end of the rotor 35 of screw rod pump assembly 3 and the contact of the end of driving part 2；Screw pump
After component 3 is installed in place, buckle 13 is moved to latched position (being caught in the position of lock groove 32), by screw rod pump assembly 3
It is locked with shell 1；Then biological brick storage container 4 is installed to the connector 5 in screw rod pump assembly 3.
The step of dismantling screw pump assembly 3 (dismantling screw rod pump assembly from shell), is as follows: biological brick being stored and is held
Device 4 is dismantled from connector 5；Buckle 13 is moved to the position for being detached from lock groove 32；Remove screw rod pump assembly 3.Screw rod pump group
After part 3 is removed, when needing replacing screw pump, it is thus only necessary to extract screw pump from pedestal 33.
The disassembly process of screw pump is as follows: disassembly stator 34, disassembly rotor 35.Above-mentioned two operation does not limit step.On
The screw pump of structure is stated, each section is that detachable structure can easily dismantle cleaning, after the completion of cleaning when needing to clean
It can be conveniently installed at together.
The intervention that the installation and removal of screw rod pump assembly are not necessarily to tool in the process can be realized through the above steps, to make spiral shell
Bar pump assembly dismounts convenient and efficient, while when needing replacing screw pump, without tool is used, that is, realize by screw pump from
It is dismantled on pedestal.
Referring to Fig. 1 to Fig. 3, the alternative construction of screw rod pump assembly 3 is described below.Screw rod pump assembly 3 includes screw pump, pedestal
33 and spray head 36.Screw pump includes stator 34, rotor 35 and mounting base 38.Stator 34 is detachably connected with mounting base 38, rotor
35 are rotatably connected with mounting base 38；Flow space 39 is formed between rotor 35 and mounting base 38.
Referring to Fig. 3, the bottom of mounting base 38 is equipped with annular clamping portion, and stator 34 is inserted into the annular clamping portion, and the two can
Dismantling connection is conveniently replaceable and cleans.
Referring to Fig. 3, stator 34 has through the hole of its upper and lower ends, and the spiral section of rotor 35 is predominantly located in the hole.It should
The lower part in hole is connected to as discharge end with spray head 36.
Referring to Fig. 3, the discharge end of the feed end and biological brick storage container 4 of screw rod pump assembly 3 is directly connected to.Connector 5
Outer wall on be provided with external screw thread 51, internal screw thread 42, screw rod pump group are provided on the inner wall of the ring set 41 of biological brick storage container 4
Part 3 is detachably connected with biological brick storage container 4 by external screw thread 51 and the realization that is threadedly engaged of internal screw thread 42.
The screw rod pump assembly 3 of above structure, rotor 35, stator 34 and spray head 36 are mounted on pedestal 33, dismount screw rod
It when pump assembly 3, dismounts as a whole, disassembling operations more convenient and efficient.Also, realize screw rod pump assembly 3 without tool
Dismounting.
Referring to Fig. 3, mounting base 38 is inserted into the through-hole of pedestal 33, and additional connection need not be arranged between the two.Pass through
The cooperation of mounting base 38 and shell 1 and spray head 36 realize the positioning and fixation of screw pump.The structure is in screw rod pump assembly 3
Under the premise of easy-disassembling-assembling, realize screw pump and be easy to dismount from pedestal 33.
The connection relationship of screw rod pump assembly 3 and the second tooth assembly 62 is described below.
Referring to Fig. 3 and Fig. 4, the second tooth assembly 62 further includes installation part 623, and the first fixation hole is arranged in installation part 623；Turn
Sub 35 ends are provided with the second fixation hole corresponding with the first fixation hole, pass through the first fixation hole and second by pin shaft and fix
The connection of the second tooth assembly 62 and rotor 35 is realized in hole.
Referring to Fig. 3, in some embodiments, mounting base 38 includes the unthreaded hole 381 for wearing the smooth section of rotor 35, light
As flow space 39, the radius of unthreaded hole 381 is 3mm-4mm in gap between the outer wall of the smooth section of hole 381 and rotor 35.It adopts
Volume with above structure, flow space 39 is very small, avoids the residual of biological prepared Chinese ink, reduces waste.
As shown in Figure 6 and Figure 7, in some embodiments, printing head further includes temperature control equipment 7, temperature control dress
It sets 7 and is installed on shell 1, for controlling the temperature inside shell 1, so that the temperature of biological prepared Chinese ink is located at setting value, ensure that
The activity of biological prepared Chinese ink.
Temperature control equipment 7 is at setting value for controlling the temperature of biological prepared Chinese ink in print procedure.Temperature control
Device 7 processed includes radiator 72 and semiconductor cooling device 71, and semiconductor cooling device 71 is arranged above shell 1, heat dissipation
The outside of semiconductor cooling device 71 is arranged in device 72, and semiconductor cooling device is mainly by several semiconductor chilling plate groups
At semiconductor chilling plate not only may be used as heat source, but also may be used as cold source.It is theoretical according to semiconductor refrigerating, in semiconductor refrigerating
The two sides of piece, which apply a DC voltage, will generate a DC current, this can make semiconductor chilling plate side generate heat and another
Side refrigeration.The side that the side of fever is usually known as " hot face ", and is freezed is known as " huyashi-chuuka (cold chinese-style noodles) ".Semiconductor chilling plate has control
End can exchange the polarity of voltage of semiconductor chilling plate two sides, make reverse direction current flow after sending instruction to control terminal, thus
It realizes the huyashi-chuuka (cold chinese-style noodles) of semiconductor chilling plate and the mutual conversion in hot face, namely can be realized semiconductor refrigeration system refrigeration and heating function
The mutual conversion of energy.As it can be seen that the heat-exchange device being used as using semiconductor chilling plate, can be convenient and effectively realize to biological ink
The heating or refrigeration of juice, to meet the different temperatures demand of biological prepared Chinese ink.
Referring to Fig. 6, the cavity on shell 1 is used to mitigate the whole weight of screw rod pump assembly 3.Temperature control equipment 7 is installed
In the cavities.
Since power is very big in the semiconductor cooling device course of work, so needing radiator 72 to semiconductor refrigerating
Device radiates.Referring to Fig. 7, radiator 72 includes feed liquor portion 721 and liquid portion 722 and water cooling unit, water cooling unit pass through pipe out
Liquid portion 722 is connected to feed liquor portion 721 and out respectively in road.It is connected to, and managed by also pipeline between feed liquor portion 721 and liquid portion 722 out
Road is distributed near semiconductor chilling plate.The cooling water provided by water cooling unit realizes cooling cycle.
Referring to Fig. 6, the outer wall in the position that the corresponding biological brick storage container 4 of shell 1 is installed offers observation window 14, observes
Window 14 is used to observe the dosage of biological prepared Chinese ink in biological brick storage container 4 in print procedure.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown is only the utility model and simplified description for ease of description, rather than indicates or imply meaning
Device or element must have a particular orientation, construct and operate for specific orientation, thus should not be understood as practical new to this
The limitation of type protection content.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement, but these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (16)
1. a kind of printing head characterized by comprising
Shell (1), including mounting hole (11)；
Driving part (2), is installed on one end of the mounting hole (11)；And
Screw rod pump assembly (3), is installed on the other end of the mounting hole (11)；The end of the drive shaft of the driving part (2)
Rotation can be driven and in the disassembly of the screw rod pump assembly (3) by being formed with the end of the rotor (35) of the screw rod pump assembly (3)
Unconfined cooperation on direction.
2. printing head according to claim 1, which is characterized in that further include:
Biological brick storage container (4), the screw rod pump assembly (3) are installed on the peace by the biological brick storage container (4)
Fill the other end of hole (11).
3. printing head according to claim 2, which is characterized in that further include:
Connector (5) is installed on the screw rod pump assembly (3)；The biological brick storage container (4) be inserted into the shell (1) and
Directly it is detachably connected with the connector (5).
4. printing head according to claim 3, which is characterized in that outside the outlet of the biological brick storage container (4)
It is arranged with ring set (41), the ring set (41) is equipped with internal screw thread (42)；The connector (5) is equipped with matches with the internal screw thread (42)
The external screw thread (51) of conjunction.
5. printing head according to claim 1, which is characterized in that the screw rod pump assembly (3) is equipped with the first protrusion
(31), described first raised (31) are equipped with lock groove (32)；The shell (1) is equipped with the first groove (12), first groove
(12) it is equipped with buckle (13) in, the buckle (13) is used to be detached from the lock groove (32) and be caught in the lock groove (32)
Position between switch.
6. printing head according to claim 1, which is characterized in that further include:
Connection component (6), including intermeshing first tooth assembly (61) and the second tooth assembly (62), first tooth assembly
(61) it is installed on the driving part (2), second tooth assembly (62) is installed on the rotor (35).
7. printing head according to claim 6, which is characterized in that second tooth assembly (62) and the rotor (35)
It is detachably connected by pin shaft.
8. printing head according to claim 6, which is characterized in that the edge of first tooth assembly (61) is equipped with first
Helical teeth (611), the middle part of first tooth assembly (61) are equipped with second raised (612)；The edge of second tooth assembly (62)
Equipped with the second helical teeth (621), the middle part of second tooth assembly (62) is equipped with the second groove (622).
9. printing head according to claim 1, which is characterized in that the driving part (2) and the screw rod pump assembly
(3) spring (8) for assisting disassembly is folded between.
10. printing head according to claim 1, which is characterized in that the screw rod pump assembly (3) includes:
Screw pump, including stator (34), rotor (35) and mounting base (38)；The stator (34) and the mounting base (38) are removable
Connection is unloaded, the rotor (35) is rotatably connected with the mounting base (38)；The rotor (35) and the mounting base (38) it
Between formed flow space (39)；
Pedestal (33) is positioned partially or entirely in the shell (1), and the screw pump is installed on the pedestal (33)；And
Spray head (36) is installed on the one end of the stator (34) far from the driving part (2).
11. printing head according to claim 10, which is characterized in that the mounting base (38) is inserted into the pedestal (33)
Through-hole in.
12. printing head according to claim 11, which is characterized in that the mounting base (38) includes described for wearing
Sky between the outer wall of the smooth section of the unthreaded hole (381) of the smooth section of rotor (35), the unthreaded hole (381) and the rotor (35)
Gap is 3mm-4mm as flow space (39), the radius of the unthreaded hole (381).
13. printing head according to claim 1, which is characterized in that further include:
Temperature control equipment (7) is installed on the shell (1), for controlling the internal temperature of the shell (1).
14. printing head according to claim 13, which is characterized in that the temperature control equipment (7) includes:
Semiconductor cooling device (71) is set to the outer surface of the shell (1), for cooling down to the screw rod pump assembly (3)；With
And
Radiator (72) is set to the semiconductor cooling device (71) nearby or the covering semiconductor cooling device (71),
For cooling down to the semiconductor cooling device (71).
15. printing head according to claim 14, which is characterized in that the radiator (72) includes:
Water cooling unit, for providing chilled water.
16. printing head according to claim 1, which is characterized in that the screw rod pump assembly (3) is directly removably pacified
The other end loaded on the mounting hole (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821101781.3U CN208543827U (en) | 2018-07-12 | 2018-07-12 | Printing head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821101781.3U CN208543827U (en) | 2018-07-12 | 2018-07-12 | Printing head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208543827U true CN208543827U (en) | 2019-02-26 |
Family
ID=65424391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821101781.3U Expired - Fee Related CN208543827U (en) | 2018-07-12 | 2018-07-12 | Printing head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208543827U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110027214A (en) * | 2019-05-24 | 2019-07-19 | 杭州捷诺飞生物科技股份有限公司 | 3D printing spray head |
-
2018
- 2018-07-12 CN CN201821101781.3U patent/CN208543827U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110027214A (en) * | 2019-05-24 | 2019-07-19 | 杭州捷诺飞生物科技股份有限公司 | 3D printing spray head |
| CN110027214B (en) * | 2019-05-24 | 2024-04-30 | 杭州捷诺飞生物科技股份有限公司 | 3D prints shower nozzle |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190226 |
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| CF01 | Termination of patent right due to non-payment of annual fee |