CN110733180A - Multi-nozzle 3D printing device and equipment and system comprising same - Google Patents

Multi-nozzle 3D printing device and equipment and system comprising same Download PDF

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Publication number
CN110733180A
CN110733180A CN201810793109.3A CN201810793109A CN110733180A CN 110733180 A CN110733180 A CN 110733180A CN 201810793109 A CN201810793109 A CN 201810793109A CN 110733180 A CN110733180 A CN 110733180A
Authority
CN
China
Prior art keywords
nozzle
printing
module
mounting
printing device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810793109.3A
Other languages
Chinese (zh)
Inventor
金晴宇
Original Assignee
Link Medical Technology (shanghai) Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Link Medical Technology (shanghai) Co Ltd filed Critical Link Medical Technology (shanghai) Co Ltd
Priority to CN201810793109.3A priority Critical patent/CN110733180A/en
Publication of CN110733180A publication Critical patent/CN110733180A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/10—Processes of additive manufacturing
    • B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
    • B29C64/112—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
    • 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
    • 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

Abstract

The invention provides multi-nozzle 3D printing devices capable of printing multiple products times, and equipment and a system comprising the same, wherein the multi-nozzle 3D printing device is characterized by comprising a machine head and a nozzle group frame module, wherein the nozzle group frame module is installed at the bottom of the machine head, the nozzle group frame module is provided with at least nozzle group frames, the nozzle group frames are arranged side by side at intervals, the nozzle group frame is provided with a mounting piece and a plurality of nozzle modules which are arranged on the mounting piece at intervals, the nozzle modules are provided with nozzles which are arranged at the inner bottom ends of the nozzle modules, spray holes extend out of the nozzle modules and face a printing workbench, and the nozzle group frames can move horizontally and vertically in the printing process.

Description

Multi-nozzle 3D printing device and equipment and system comprising same
Technical Field
The present invention relates to kinds of 3D printing devices and apparatuses and systems including the same, and more particularly, to kinds of multi-nozzle 3D printing devices capable of times printing of a plurality of products and apparatuses and systems including the same.
Background
At present, articles manufactured by a 3D printing device are often customized, only pieces are manufactured at a time, so that sets of nozzles are often used, even if double nozzles are used, the articles are served for printing products, and inherent defects are caused when more products cannot be printed at the same time.
Disclosure of Invention
The present invention has been made to solve the above problems, and an object thereof is to provide multi-nozzle 3D printing devices capable of printing a plurality of products times, and apparatuses and systems including the same.
In order to achieve the purpose, the invention adopts the following scheme:
aims of the invention are to provide a multi-nozzle 3D printing device which is characterized by comprising a machine head and a nozzle group frame module, wherein the nozzle group frame module is arranged at the bottom of the machine head and is provided with at least nozzle group frames, the nozzle group frames are arranged side by side at intervals, the nozzle group frame is provided with a mounting piece and a plurality of nozzle modules which are arranged on the mounting piece at intervals, the nozzle modules are provided with nozzles which are arranged at the inner bottom ends of the nozzle modules, spray holes extend out of the nozzle modules and face a printing workbench, and the nozzle group frames can move horizontally and vertically in the printing process.
The multi-nozzle 3D printing device provided by the invention also has the following characteristics: the nozzle module is also provided with a wire feeding unit and a heating unit which are arranged in the nozzle module, and the wire feeding unit is used for conveying printing materials conveyed from the wire storage barrel during printing; the heating unit receives the printing material conveyed by the wire feeding unit during printing, heats the printing material to obtain a molten material in a molten state, and conveys the molten material to the nozzle.
The multi-nozzle 3D printing device provided by the invention also has the following characteristics: wherein, the installed part has a plurality of nozzle module mounting grooves that match respectively with a plurality of nozzle modules and correspond, and the cross section of nozzle module mounting groove is down trapezoidal, and the cross section of nozzle module also is down trapezoidal, and the nozzle module matches and is installed in nozzle module mounting groove through its cross section and the cross section of nozzle module mounting groove.
The multi-nozzle 3D printing device provided by the invention also has the following characteristics: the installed part still has a plurality of nozzle module installation slide rails that correspond respectively with a plurality of nozzle modules, and mated nozzle module installation slide rail sets up respectively in the both sides of installed part along the direction that each nozzle module interval was arranged relatively, and the both sides of nozzle module and two mated nozzle module installation slide rails that correspond pass through the fix with screw respectively.
The multi-nozzle 3D printing device provided by the invention also has the following characteristics: the nozzle group frame module also has installation parts corresponding to the nozzle group frames respectively, wherein the installation parts are arranged at the tops of the installation parts of the corresponding nozzle group frames, the bottom of the machine head is provided with a group frame installation groove, and the installation parts corresponding to the nozzle group frames are installed in the group frame installation groove at intervals.
The multi-nozzle 3D printing device provided by the invention is also characterized in that the nozzle group frame module is also provided with installation parts, wherein the nozzle group frame is multiple, the installation parts are arranged on the top of each installation part of the multiple nozzle group frames, the bottom of the machine head is provided with a group frame installation groove, and the installation parts are installed in the group frame installation groove.
The multi-nozzle 3D printing device provided by the invention also has the following characteristics: the machine head can move horizontally or in a lifting mode, and the nozzle group frame is driven to move horizontally or in a lifting mode through the horizontal or lifting movement of the machine head in the printing process.
The multi-nozzle 3D printing device provided by the invention also has the following characteristics: the installation part can move horizontally or up and down in the installation groove of the assembly frame during printing, and the nozzle assembly frame moves horizontally or up and down through the installation part in the printing process to drive the nozzle assembly frame to move horizontally or up and down.
Another objectives of the present invention are to provide kinds of multi-nozzle 3D printing apparatuses, which are characterized by including a multi-nozzle 3D printing device, and a driving device for driving a nozzle assembly in the multi-nozzle 3D printing device to move horizontally or vertically during printing, wherein the multi-nozzle 3D printing device is the multi-nozzle 3D printing device.
It is a further object of of the present invention to provide a multi-nozzle 3D printing system, characterized by comprising a 3D printing apparatus and a control apparatus for controlling the operation of the 3D printing apparatus, wherein the 3D printing apparatus is the above-mentioned 3D printing apparatus.
Action and Effect of the invention
According to the multi-nozzle 3D printing device and the equipment and the system comprising the same, the multi-nozzle 3D printing device comprises a nozzle group frame module which is arranged at the bottom of a machine head and is provided with at least nozzle group frames which are arranged side by side at intervals, the nozzle group frame is provided with a mounting piece and a plurality of nozzle modules which are arranged on the mounting piece at intervals, the nozzle modules are provided with nozzles which are arranged at the inner bottom ends of the nozzle modules and have nozzle holes extending out of the nozzle modules and are opposite to a printing workbench, and the nozzle group frame can move in the horizontal or lifting direction during printing, so that the nozzles of the nozzle modules can move along with the nozzle frame, times of printing of a plurality of products can be realized, and the simultaneous printing of a plurality of products under the same control can be realized;
drawings
Fig. 1 is a schematic configuration diagram of a multi-nozzle 3D printing apparatus according to embodiment 1;
fig. 2 is an exploded schematic view of a nozzle block module of the multi-nozzle 3D printing apparatus according to embodiment 1;
fig. 3 is a schematic configuration diagram of a multi-nozzle 3D printing apparatus according to embodiment 2.
Detailed Description
The invention is further illustrated in below in conjunction with specific embodiments and the accompanying drawings.
Example 1
Fig. 1 is a schematic configuration diagram of a multi-nozzle 3D printing apparatus according to embodiment 1.
In the printing system provided by the embodiment, the 3D printing device and the control device are included, and the 3D printing device further includes the multi-nozzle 3D printing apparatus 100 and the driving apparatus. The working principle of the printing system is as follows: in the printing process, the printing material is transported through the wire feeding hose 300, and then the molten material in a molten state is heated and transported to the nozzle, and the nozzle is moved in the x, y, and z directions along a predetermined path set by a designed product to be printed, and the molten material is ejected from an ejection hole of the nozzle onto the printing table during the movement to perform printing.
As shown in fig. 1, the multi-nozzle 3D printing apparatus 100 includes a head 10, a nozzle block module 20.
The head 10 is provided on a frame, not shown in the drawings, as a mounting support of the entire multi-nozzle 3D printing apparatus 100. The bottom of the machine head is provided with a frame assembly mounting groove 11.
Fig. 2 is an exploded schematic view of a nozzle block module of the multi-nozzle 3D printing apparatus according to embodiment 1.
As shown in fig. 2, the nozzle block holder module 20 is mounted to the bottom of the head 10, and has a nozzle block holder 21 and a mounting portion 22.
At least nozzle group frames 21 are arranged, each nozzle group frame 21 is arranged at the bottom of the machine head 10 side by side at intervals, at least mounting parts 22 are arranged, the mounting parts correspond to the nozzle group frames 21 respectively, namely respectively, namely the number of the mounting parts 22 is the same as that of the nozzle group frames 21, nozzle group frames 21 correspond to mounting parts 22, each mounting part 22 is used for mounting nozzle group frames 21 on the machine frame 10, specifically, mounting parts 22 are mounted on the machine frame 10 by mounting the corresponding nozzle group frames 21 in the group frame mounting grooves 11, and thus, the mounting parts 22 are mounted in sequence, namely, the nozzle group frame module 20 is mounted at the bottom of the machine frame 10.
In the present embodiment, the number of the nozzle block holders 21 is , and correspondingly, the number of the mounting portions 22 is .
The nozzle group frame 21 is movable in a horizontal or up-and-down direction during printing, i.e., in x, y horizontal and z directions in the drawing, and has a mounting member 23 and a nozzle module 24.
The nozzle module 24 has a plurality of nozzles 24a, a wire feeding unit not shown in the drawing, and a heating unit, so that the multi-nozzle 3D printing apparatus 100 of the present embodiment has a plurality of nozzles 24a for spraying the molten material, and times of simultaneous printing of a plurality of products can be realized when the nozzles 24a are moved as the nozzle block 21 is moved in a horizontal or up-down direction during the printing process.
The nozzle 24a is disposed at the bottom end of the interior of the nozzle module 24, and the orifice of the nozzle 24a extends out of the nozzle module 24 and faces the print table.
The wire feeding unit is disposed inside the nozzle module 24, is connected to a wire feeding hose 300 connected to a wire reel of the wire storage barrel, and feeds a printing material fed from the wire feeding hose 300 when printing.
The heating unit is disposed inside the nozzle module 24, receives the printing material fed from the wire feeding unit at the time of printing, heats the printing material to obtain a molten material in a molten state, and then feeds the molten material to the nozzle 24 a.
The mounting member 23 has a plurality of nozzle module mounting grooves 23a and a plurality of pairs of nozzle module mounting slide rails 23 b.
The nozzle module mounting grooves 23a are respectively matched with the nozzle modules 24, that is, nozzle module mounting grooves 23a correspond to nozzle modules 24.
In this embodiment, the cross section A1 of the nozzle module mounting groove 23a is inverted trapezoid, the cross section A2 of the nozzle module 24 is also inverted trapezoid, and the nozzle module 24 is mounted in the nozzle module mounting groove 23a by matching the cross section A2 thereof with the cross section A1 of the nozzle module mounting groove 23a, i.e. A1 and A2 are both inverted trapezoids with a large top and a small bottom, and A2 can be just snapped into A1. when the nozzle module 24 is mounted in the nozzle module mounting groove 23a, A2 is also inverted trapezoid, so that the end with a small width of A2 can easily enter from the end with a large width of A1, and then can be gradually snapped into the two inner sides of A1 by gradually moving towards the end with a small width of A1, when the nozzle module 24 is to be detached from the nozzle module mounting groove 23a, the end with a large width of A2 can be easily pushed out from the Z direction, and the nozzle module 24 can be easily detached from the nozzle module 24 in the Z direction, and the nozzle module 24 can be detached from the nozzle module mounting groove 23a horizontal direction.
The nozzle module mounting slide rails 23b correspond to the nozzle modules 24, that is, nozzle modules 24 correspond to nozzle module mounting slide rails 23 b. paired nozzle module mounting slide rails 23b are oppositely and respectively disposed at two sides of the mounting member 23 along the direction in which the nozzle modules 24 are arranged at intervals, and two sides of the nozzle modules 24 and the corresponding paired nozzle module mounting slide rails 23b are fixed by screws 23c, when the nozzle module mounting slide rails 23b are mounted, the mounting position of the nozzle module 24 is relatively positioned on the mounting member 23 when the nozzle module is mounted, and in the mounting process, the distance between two adjacent nozzle modules 24 can be adjusted by moving the corresponding screws 23c on the nozzle module mounting slide rails 23b, thereby facilitating the mounting and the use.
In this embodiment, in order to enable the nozzle to perform 3D printing on a product in the lifting and horizontal movement, i.e., the movement in the x, y and z directions in the drawing, the driving device not shown in the drawing drives the head 10 to perform the lifting and horizontal movement, so as to drive the whole nozzle group frame module 20 to move, and further drive the whole nozzle 24a to move, so as to complete the 3D printing. The drive means may be a stepper motor.
And a control device for controlling the operation of the entire 3D printing device, and controlling the movement path of the entire head 10 at the time of printing in accordance with the movement of the predetermined path that the printing nozzle group 24a set with reference to the designed product to be printed needs to perform.
The operation process comprises the following steps:
how the printing system in the present embodiment operates is specifically described below with reference to fig. 1:
step 1, starting a driving device through control equipment;
step 2, under the drive of the driving device and the control of the control equipment, the machine head 10 is driven to move horizontally or vertically along a route which can realize that the nozzle 24a moves along a preset route;
and 3, in the movement of the step 2, simultaneously controlling the work of the wire conveying unit and the heating unit in each nozzle module 24 so as to convey the molten material to each nozzle 24a to be sprayed to the printing workbench to simultaneously perform 3D printing on a plurality of products.
Example 2
The following is a description of example 2.
In embodiment 2, the same components as those in embodiment 1 are denoted by the same reference numerals, and the same descriptions are omitted.
Fig. 3 is a schematic configuration diagram of a multi-nozzle 3D printing apparatus according to embodiment 2.
As shown in fig. 3, the 3D printing apparatus in the printing system provided by the present embodiment includes a multi-nozzle 3D printing device 200 including: a handpiece 10 and a nozzle block module 220.
The nozzle group holder module 220 has a nozzle group holder 221 and a mounting portion 222.
In this embodiment, the nozzle block holder 221 corresponds to the mounting portion 222 , and in this embodiment, there are two nozzle block holders 221 and correspondingly two mounting portions 222, and the two nozzle block holders 221 are mounted on the bottom of the handpiece 10 in a spaced-apart manner.
Each nozzle block frame 221 also has a mounting member 23 and a plurality of nozzle modules 24 mounted on the mounting member 23 at spaced intervals, with the mounting portion 222 being disposed on top of the mounting member 23 of the corresponding nozzle block frame 221.
The corresponding mounting parts 222 of the two nozzle block frames 221 are mounted in the block frame mounting grooves 11 at the bottom of the machine head 10 at intervals.
In this embodiment, the machine head 10 is driven by a driving device not shown in the figure to move up and down and horizontally, and the nozzle 24a set according to the designed product to be printed needs to move along a predetermined route under the control of the control device, so as to complete times of simultaneous 3D printing of multiple products.
Examples effects and effects
According to the multi-nozzle 3D printing device and the equipment and system including the same provided by the embodiments 1-2, the multi-nozzle 3D printing device comprises a nozzle group frame module installed at the bottom of a machine head, and at least nozzle group frames arranged side by side at intervals, wherein the nozzle group frame comprises a mounting part and a plurality of nozzle modules installed on the mounting part at intervals, the nozzle modules comprise nozzles arranged at the inner bottom ends of the nozzle modules, and nozzle holes extend out of the nozzle modules and are opposite to a printing workbench, and the nozzle group frame can move in the horizontal or lifting direction during printing, so that the nozzles of the nozzle modules can also move along with the nozzle group frame module, so that times of printing of a plurality of products can be realized, and the simultaneous printing of a plurality of products can be realized under the same controls;
in addition, in embodiment 1-2, when there are a plurality of nozzle group stands, each nozzle group stand corresponds to installation parts, so that each nozzle group stand is installed in the stand installation groove at the bottom of the head, respectively, as the multi-nozzle 3D printing apparatus of the present invention, when there are a plurality of nozzle group stands, the nozzle group stand module may have installation parts, and at this time, the installation parts are arranged on the top of each installation part of the plurality of nozzle group stands, and then the installation parts are installed in the stand installation groove, that is, installation parts, and the plurality of nozzle group stands are installed at the same time.
In addition, in embodiment 1-2, the head is moved horizontally or up and down to indirectly drive the nozzle to move, so that 3D printing can be completed, as the present invention, the mounting portion may be movably disposed to be moved horizontally or up and down to drive the nozzle to move, so that 3D printing is completed, or the head may be moved up and down, and bottom plates that are moved horizontally are disposed at the bottom of the head, and the nozzle holder module is mounted on the bottom plate, so that the head is moved up and down to drive the nozzle to move up and down (z direction), and the bottom plate is moved horizontally to drive the nozzle to move horizontally (x and y directions), so that 3D printing can be completed.

Claims (10)

  1. The multi-nozzle 3D printing apparatus of , comprising:
    a machine head;
    a nozzle group frame module installed at the bottom of the machine head,
    wherein the nozzle block rack module has at least nozzle block racks,
    the nozzle group frames are arranged side by side at intervals,
    the nozzle group frame is provided with a mounting part and a plurality of nozzle modules which are mounted on the mounting part at intervals,
    the nozzle module is provided with a nozzle which is arranged at the inner bottom end of the nozzle module and a spray hole extends out of the nozzle module and is opposite to the printing workbench,
    the nozzle assembly can move horizontally and up and down in the printing process.
  2. 2. The multi-nozzle 3D printing device according to claim 1, characterized in that:
    wherein the nozzle module further has a wire feeding unit and a heating unit provided inside thereof,
    the wire feeding unit is used for conveying the printing material conveyed from the wire storage barrel during printing;
    the heating unit receives the printing material conveyed by the wire feeding unit during printing, heats the printing material to obtain a molten material in a molten state, and conveys the molten material to the nozzle.
  3. 3. The multi-nozzle 3D printing device according to claim 2, characterized in that:
    wherein the mounting part is provided with a plurality of nozzle module mounting grooves which are respectively matched and corresponding to the plurality of nozzle modules,
    the cross section of the nozzle module mounting groove is inverted trapezoid, the cross section of the nozzle module is also inverted trapezoid, and the nozzle module is mounted in the nozzle module mounting groove by matching the cross section of the nozzle module with the cross section of the nozzle module mounting groove.
  4. 4. The multi-nozzle 3D printing device according to claim 3, characterized in that:
    the mounting part is also provided with a plurality of pairs of nozzle module mounting slide rails respectively corresponding to the plurality of nozzle modules, the nozzle module mounting slide rails in pairs are oppositely and respectively arranged on two sides of the mounting part along the direction of spaced arrangement of the nozzle modules, and two sides of the nozzle modules and the corresponding two nozzle module mounting slide rails in pairs are respectively fixed through screws.
  5. 5. The multi-nozzle 3D printing device according to claim 1, characterized in that:
    the nozzle group frame module is also provided with mounting parts corresponding to the nozzle group frames respectively,
    wherein the mounting part is provided at the top of the mounting part of the corresponding nozzle block holder,
    the bottom of the machine head is provided with a mounting groove of the assembling frame,
    and the installation parts corresponding to the nozzle group frames are installed in the group frame installation grooves at intervals.
  6. 6. The multi-nozzle 3D printing device according to claim 1, characterized in that:
    the nozzle block holder module also has mounting portions,
    wherein the nozzle group frame is provided in plurality, the mounting part is provided on the top of each of the mounting parts of the plurality of nozzle group frames,
    the bottom of the machine head is provided with a mounting groove of the assembling frame,
    the installation part is installed in the group frame installation groove.
  7. 7. The multi-nozzle 3D printing device according to any of claims 1-6, wherein:
    wherein the machine head can move horizontally or up and down,
    the nozzle assembly frame is driven to move horizontally or vertically by the horizontal or vertical movement of the machine head in the printing process.
  8. 8. The multi-nozzle 3D printing device according to claim 5 or 6, characterized in that:
    wherein the mounting part can move horizontally or vertically in the mounting groove of the rack assembly during printing,
    the nozzle assembly frame moves horizontally or vertically through the installation part in the printing process to drive the nozzle assembly frame to move horizontally or vertically.
  9. 9, A3D printing apparatus, comprising:
    a multi-nozzle 3D printing device; and
    the driving device drives the nozzle assembly frame in the multi-nozzle 3D printing device to move horizontally or vertically in the printing process through driving,
    wherein the multi-nozzle 3D printing device is the multi-nozzle 3D printing device of any of claims 1-8.
  10. 10, a printing system, comprising:
    a 3D printing device; and
    a control device for controlling operation of the 3D printing device,
    wherein the 3D printing apparatus is the 3D printing apparatus of claim 9.
CN201810793109.3A 2018-07-18 2018-07-18 Multi-nozzle 3D printing device and equipment and system comprising same Pending CN110733180A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810793109.3A CN110733180A (en) 2018-07-18 2018-07-18 Multi-nozzle 3D printing device and equipment and system comprising same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810793109.3A CN110733180A (en) 2018-07-18 2018-07-18 Multi-nozzle 3D printing device and equipment and system comprising same

Publications (1)

Publication Number Publication Date
CN110733180A true CN110733180A (en) 2020-01-31

Family

ID=69235101

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810793109.3A Pending CN110733180A (en) 2018-07-18 2018-07-18 Multi-nozzle 3D printing device and equipment and system comprising same

Country Status (1)

Country Link
CN (1) CN110733180A (en)

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Effective date of registration: 20210322

Address after: 200237 Room 502, No.60, meilongliu village, Xuhui District, Shanghai

Applicant after: Jin Qingyu

Address before: 201806 2nd floor, building 4, No. 4585, Baoqian Road, Jiading District, Shanghai

Applicant before: MEDITOOL MEDICAL TECHNOLOGY (SHANGHAI) Co.,Ltd.