CN209718638U - The magnet construction model platform of 3D printer - Google Patents
The magnet construction model platform of 3D printer Download PDFInfo
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- CN209718638U CN209718638U CN201920212231.7U CN201920212231U CN209718638U CN 209718638 U CN209718638 U CN 209718638U CN 201920212231 U CN201920212231 U CN 201920212231U CN 209718638 U CN209718638 U CN 209718638U
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- magnet
- platform
- bottom plate
- modeling platform
- substrate
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Abstract
The utility model relates to a kind of magnet construction model platforms of 3D printer, including Modeling Platform and for the molding bottom plate of printed material, bottom plate is placed in above Modeling Platform, bottom plate is made of inner layer and the outer layer being coated on the outside of inner layer, the material of inner layer is the magnetic metal attracted by electromagnetic disc, the material of outer layer is plastics, and Modeling Platform is provided with the magnetic magnetic generating device that bottom plate is adsorbed in Modeling Platform.Using the above scheme, the utility model provide a kind of structure it is simple, convenient for floor locking with separate, the magnet construction model platform for the 3D printer that base plate strength is high.
Description
Technical field
The utility model relates to 3D printer fields, and in particular to a kind of magnet construction model platform of 3D printer.
Background technique
3D printer, i.e. a kind of machine of rapid prototyping technology, it is one kind based on digital model file, with powder
The adhesive materials such as last shape metal or plastics construct the technology of object by layer-by-layer printing.Past, it was often in mold
The fields such as manufacture, industrial design are used for modeling, are now increasingly used for the direct manufacture of some products.
And Modeling Platform is then one and is located at tabular component below print head and horizontal positioned, Modeling Platform often has
The printed material of heating and melting is ejected in Modeling Platform by elevating function, print head, is cooled and solidified finished product after forming finished product
It removes.It is located in the protective shell body of 3D printer due to Modeling Platform, the mode of traditional taking-up finished product is will be at by tool
Product take out after shoveling lower separation from Modeling Platform because the area of protection shell nozzle is smaller, make the movement of staff by
Limitation, in order to destroy finished product not, operating must be meticulous, therefore this kind of removal method operation is extremely cumbersome, gives work
Personnel bring very big inconvenience.
To solve the above-mentioned problems, disclosing one kind application No. is 200580004421.0 Chinese invention patent " has
The model building device of tray substrate ", removable bottom plate is added above Modeling Platform, and the printed material that heat is melted is ejected to bottom
Plate takes out together with bottom plate after finished product cooling and solidifying out of protective shell body, substantially reduces and separate finished product with Modeling Platform
Difficulty.In order to guarantee printing effect in print procedure, need to lock bottom plate and Modeling Platform in print procedure, from
And the displacement or vibration of bottom plate are avoided, and in the invention, then the keyhole being aligned by the protrusion of bottom plate in Modeling Platform
It is aligned, then the locator of bottom plate and Modeling Platform side is rotated to the latched position with brake, constituted bottom plate and build
The lock fit of mould platform, this kind of lock mode is with the difficulty for reducing separation finished product, but structure is complicated, not easy to be processed, improves
Processing cost, moreover, lock step is cumbersome, locking and separation will also result in certain inconvenience every time.
Summary of the invention
In view of the deficienciess of the prior art, that the purpose of this utility model is to provide a kind of structures is simple, is convenient for bottom plate
Lock with separate, the magnet construction model platform for the 3D printer that base plate strength is high.
To achieve the above object, the utility model provides following technical solution: including Modeling Platform and for printed material
Molding bottom plate, the bottom plate are placed in above Modeling Platform, it is characterised in that: and the bottom plate includes inner layer and outer layer,
The material of the inner layer is magnetic metal, and the material of the outer layer is the plastics for being molded in inner layer periphery, described
Modeling Platform is provided with the magnetic magnetic generating device that bottom plate is adsorbed in Modeling Platform.
By using above-mentioned technical proposal, the magnetic force as caused by magnet assembly makes bottom plate be adsorbed in Modeling Platform, simplifies
Structure reduces difficulty of processing, reduces processing cost, and reduce the requirement to base plate thickness, traditional structure can only lock specified
The bottom plate of thickness, once bottom plate machining accuracy reduce, then can not steady lock, Modeling Platform lifting when can occur to shake on a small quantity
It is dynamic, and magnet assembly can attract the bottom plate of various thickness, will not shake if attracting completion, improve to place and stablize
Property, that is, machining accuracy is further increased, in addition, comparing list to guarantee that printing effect, outer layer often use plastics to be processed
The bottom plate of pure plastic material, magnetic metal enhance the intensity of bottom plate simultaneously, prolong the service life.
The utility model is further arranged to: the inner layer is porous plate, and the porous plate is provided through multiple
Injecting hole, the outer layer fill each injecting hole in injection moulding process, form the reinforcing prop across inner layer.
By using above-mentioned technical proposal, multiple injecting holes are opened up in inner layer, the plastics of outer layer can flow in injection moulding process
Enter injecting hole and form reinforcing prop, keep the fixation of inner layer and outer layer and cooperation even closer, it is strong further to strengthen bottom plate by inner layer
Degree.
The utility model is further arranged to: the bottom plate is located at side setting and extends to outside electromagnetic disc and for the people that works
The force section that member holds.
By using above-mentioned technical proposal, force section is added, is reserved for the position of staff's gripping, is convenient for staff
Force is avoided because of inconvenience brought by the print area for holding bottom plate.
The utility model is further arranged to: further including lifting seat, the lifting seat is located at middle part and is vertically arranged
There is the first driving screw rod being threadedly engaged with lifting seat, the lifting seat is located at two sides and is vertically provided with respectively and lifting seat
The primary optic axis of cooperation is slid, the lifting seat, which is located at two sides and is fixedly installed respectively, extends to Modeling Platform two sides of the bottom simultaneously
Fixed support arm, operation of the other side space of the Modeling Platform OQ t seat as staff with Modeling Platform
Space.
By using above-mentioned technical proposal, the vertical drive formed is combined with one first driving screw rod by two primary optic axis
Dynamic structure, driving Modeling Platform that can be stable are gone up and down, and the other side space of reserved Modeling Platform OQ t seat is made
For operating space, traditional lifting structure is compared, staff has bigger operating space, and it is more convenient to pick and place bottom plate.
The utility model is further arranged to: further including lifting framework, the lifting framework is located at below Modeling Platform
Edge be provided with the support plates of multiple supports and fixed Modeling Platform, rectangular, the described lifting of the lifting framework
Framework is located at each corner of rectangle and is vertically provided with the second optical axis cooperated with lifting framework sliding, the lifting framework respectively
Vertically it is provided with the second driving screw rod being threadedly engaged with lifting framework respectively positioned at rectangle two sides.
By using above-mentioned technical proposal, the vertical guide frame being made of four the second optical axises is by two second driving silks
The vertical driving structure of bar composition compares tradition by the driving structure of single driving screw rod, Modeling Platform is enable preferably to protect
Water holding Pingdu is gone up and down, to improve the printing precision of the 3D printing of bottom plate.
The utility model is further arranged to: the magnetic generating device includes the electromagnetism being fixed on above Modeling Platform
Disk, the upper surface of the electromagnetic disc is as the holding plane for placing bottom plate.
It is powered using electromagnetic disc as a kind of structure of magnetic generating device by using above-mentioned technical proposal and generates magnetic
Property characteristic, bottom plate is adsorbed by the magnetism, simple structure, convenient control, absorption stablize.
The utility model is further arranged to: the magnetic generating device includes the substrate being fixed on above Modeling Platform
And multiple magnet of substrate upper surface are arranged in, the upper surface of the substrate is as the holding plane for placing bottom plate.
By using above-mentioned technical proposal, as the structure of another magnetic generating device, using produced by multiple magnet
Magnetism bottom plate is adsorbed, structure is simple, absorption is stablized.
The utility model is further arranged to: the substrate and each magnet are correspondingly arranged on the mounting groove for placing magnet,
The fixing bolt that magnet is removably fixed in substrate, the head of the fixing bolt are provided between the magnet and substrate
Portion is butted on magnet upper surface, and bar portion passes through magnet and is threadedly engaged with substrate.
By using above-mentioned technical proposal, since Modeling Platform is in the environment of constant high temperature for a long time in print procedure
Under, magnet can be accelerated to demagnetize over time, and then lose and generate magnetic function, therefore add mounting groove and magnet is limited,
And fixed screw is cooperated to realize fast assembling-disassembling, it is replaced after demagnetization, to prolong the service life, is compared using glue in time
The mode that water is fixed, it is more convenient to dismount.
The utility model is further arranged to: it is provided with support component between the substrate and Modeling Platform, it is described
Support component includes the upper ejector pin vertically placed and lower pull rod, and Modeling Platform, upper end and base are fixed in the upper ejector pin lower end
Board bottom portion offsets, and the lower pull rod upper end is fixed with substrate, and lower end is provided with the caging bolt being limited in below Modeling Platform.
By using above-mentioned technical proposal, upper top power is provided for substrate by upper ejector pin, provides drop-down by lower pull rod for substrate
Power, upper top power is combined with lower pulling force keeps the steady of substrate, to guarantee absorption stability and printing precision.
The utility model is further arranged to: the outer layer that the bottom plate is located at bottom is provided with multiple processing holes, described
Processing hole extend to the lateral wall of inner layer from outer layer lateral wall, the processing hole is corresponding with the position of each magnet and and magnetic
The shape of iron is adapted.
By using above-mentioned technical proposal, in order to guarantee that the plastic liquid that inner layer will not be flowed in injection moulding process squeezes
Deformation, therefore in the mandril of the intracavitary extension supporting inner layer of the type of injection mould, processing hole is formed by mandril, so that inner layer be made to keep stablizing
Form, moreover, the rationally processing hole, constitutes limit cooperation with magnet when bottom plate is placed in the holding plane of substrate, improve bottom
Plate places accuracy, avoids influencing printing effect partially, and processes the lateral wall that hole extends to inner layer, reinforces the absorption of magnet
Active force.
Detailed description of the invention
Fig. 1 is the perspective view of specific embodiment of the present invention one；
Fig. 2 is the face upwarding stereogram of one insole board of specific embodiment of the present invention；
Fig. 3 is the enlarged drawing of A in Fig. 2；
Fig. 4 is the enlarged drawing of B in Fig. 1；
Fig. 5 is the face upwarding stereogram of Modeling Platform and lifting seat in specific embodiment of the present invention one；
Fig. 6 is the enlarged drawing of C in Fig. 5；
Fig. 7 is the face upwarding stereogram of Modeling Platform and lifting seat in specific embodiment of the present invention two.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described reality
Applying example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
In the description of the present invention, it should be noted that term " center ", "lower", "left", "right", " is erected at "upper"
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, only
It is that for the convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must have specifically
Orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " the
Two ", " third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
As shown in Fig. 1-Fig. 6, the utility model discloses a kind of magnet construction model platform of 3D printer, including modeling are flat
Platform 1 and for the molding bottom plate 2 of printed material, bottom plate 2 are placed in 1 top of Modeling Platform, and bottom plate 2 includes inner layer 21 and outer layer 22,
The material of inner layer 21 is magnetic metal, and the material of outer layer 22 is the plastics for being molded in 21 periphery of inner layer, and Modeling Platform 1 is arranged
There is the magnetic generating device that bottom plate 2 is adsorbed in Modeling Platform 1 by magnetism, the magnetic force as caused by magnet assembly makes bottom plate 2
It is adsorbed in Modeling Platform 1, simplifies structure, reduces difficulty of processing, reduces processing cost, and reduce the requirement to 2 thickness of bottom plate,
Traditional structure can only lock the bottom plate 2 of specified thickness, once 2 machining accuracy of bottom plate reduces, then can not steady lock, it is flat in modeling
Platform 1 can occur to shake on a small quantity when going up and down, and magnet assembly can attract the bottom plate 2 of various thickness, will not if attracting completion
It shakes, improves shelf-stability, that is, machining accuracy is further increased, in addition, outer layer 22 is often in order to guarantee printing effect
It is processed using plastics, compares the bottom plate 2 of simple plastic material, magnetic metal enhances the intensity of bottom plate 2 simultaneously, and extension makes
With the service life, magnetic metal can be steel, iron, cobalt, nickel, manganese etc..
Inner layer 21 is porous plate, and porous plate is provided through multiple injecting holes 23, and outer layer 22 is filled respectively in injection moulding process
Injecting hole 23 forms the reinforcing prop 24 across inner layer 21, opens up multiple injecting holes 23 in inner layer 21, the plastics of outer layer 22 are being molded
Injecting hole 23 can be flowed into the process and forms reinforcing prop 24, keep the fixation of inner layer 21 and outer layer 22 and cooperation even closer, further
Strengthen 2 intensity of bottom plate by inner layer 21.
Bottom plate 2 is located at side setting and extends to outside electromagnetic disc and for the force section 25 that staff holds, and adds force section
25, it is reserved for the position of staff's gripping, is exerted a force convenient for staff, the print area because holding bottom plate 2 is avoided to be brought
Inconvenience.
It further include lifting seat 3, lifting seat 3, which is located at middle part and is vertically provided with first be threadedly engaged with lifting seat 3, to be driven
Dynamic screw rod 31, lifting seat 3 are located at two sides and are vertically provided with the primary optic axis 32 cooperated with the sliding of lifting seat 3, lifting seat 3 respectively
It is fixedly installed respectively positioned at two sides and extends to 1 two sides of the bottom of Modeling Platform and the support arm 33 fixed with Modeling Platform 1, modeling
Operating space of the other side space of 1 OQ t seat 3 of platform as staff, by two primary optic axis 32 and one first
The vertical driving structure for driving the combination of screw rod 31 to be formed, driving Modeling Platform 1 that can be stable are gone up and down, and reserved modeling is flat
Traditional lifting structure is compared as operating space in the other side space of 1 OQ t seat 3 of platform, and staff has bigger behaviour
Make space, it is more convenient to pick and place bottom plate 2.
Magnetic generating device includes the substrate 4 for being fixed on 1 top of Modeling Platform and the multiple magnetic for being arranged in 4 upper surface of substrate
Iron 41, the upper surface of substrate 4 is as the holding plane for placing bottom plate 2, as the structure of another magnetic generating device, using more
Magnetism caused by a magnet 41 adsorbs bottom plate 2, and structure is simple, absorption is stablized.
Substrate 4 and each magnet 41 are correspondingly arranged on the mounting groove 42 for placing magnet 41, are provided between magnet 41 and substrate 4
Magnet 41 is removably fixed in the fixing bolt 43 of substrate 4, the head of fixing bolt 43 is butted on 41 upper surface of magnet, and bar portion is worn
It crosses magnet 41 and is threadedly engaged with substrate 4, since Modeling Platform 1 is in the environment of constant high temperature for a long time in print procedure
Under, magnet 41 can be accelerated to demagnetize over time, and then lose and generate magnetic function, therefore add mounting groove 42 and magnet 41 is carried out
Limit, and fixed screw is cooperated to realize fast assembling-disassembling, it is replaced after demagnetization, to prolong the service life, is compared in time
In such a way that glue is fixed, it is more convenient to dismount.
Be provided with support component between substrate 4 and Modeling Platform 1, support component include the upper ejector pin 44 vertically placed and under
Modeling Platform 1 is fixed in pull rod 45,44 lower end of upper ejector pin, and upper end offsets with 4 bottom of substrate, and lower 45 upper end of pull rod and substrate 4 are solid
Fixed, lower end is provided with the caging bolt 46 being limited in below Modeling Platform, is that substrate 4 provides upper top power by upper ejector pin 44, under
Pull rod 45 is that substrate 4 provides lower pulling force, and upper top power is combined with lower pulling force keeps the steady of substrate 4, to guarantee that absorption is stablized
Property and printing precision, can also add with upper ejector pin 44 be threadedly engaged and upper ejector pin 44 lock nut 47, make upper ejector pin 44 keep
Stable extension elongation is consolidated Modeling Platform 1 and support arm 33 while 45 installation base plate 4 of upper ejector pin 44 and lower pull rod
Fixed, to simplify structure, installation is fixed in upper ejector pin 44 and lower pull rod 45 by the way of being threadedly engaged.
The outer layer 22 that bottom plate 2 is located at bottom is provided with multiple processing holes 26, and processing hole 26 is extended to from 22 lateral wall of outer layer
The lateral wall of inner layer 21, processing hole 26 is corresponding with the position of each magnet 41 and is adapted with the shape of magnet 41, in order to guarantee
The plastic liquid compressional deformation that inner layer 21 will not be flowed in injection moulding process, therefore in the intracavitary extension supporting inner layer of the type of injection mould
21 mandril forms processing hole 26 by mandril, so that inner layer 21 is made to keep stable form, moreover, the rationally processing hole 26, the bottom of at
Limit cooperation is constituted when plate 2 is placed in the holding plane of substrate 4 with magnet 41, bottom plate 2 is improved and places accuracy, avoided inclined shadow
Printing effect is rung, and processes the lateral wall that hole extends to inner layer, reinforces the adsorption of magnet.
As shown in fig. 7, the invention also discloses another magnetic generating device, magnetic generating device includes being fixed on
The electromagnetic disc 5 of 1 top of Modeling Platform, the upper surface of electromagnetic disc 5 are filled as the holding plane for placing bottom plate 2 as magnetism
A kind of structure set is adsorbed bottom plate 2 by the magnetism using the characteristic of 5 energizing magnetic of electromagnetic disc, structure is simple,
Easy to control, absorption is stablized, and electromagnetic disc 5 is controlled by being powered and powering off.
As shown in fig. 7, further including lifting framework 6, going up and down framework 6 the invention also discloses another lifting structure
The support plate 61 of multiple supports and fixed Modeling Platform 1 is provided with positioned at the edge of 1 lower section of Modeling Platform, lifting framework 6 is in square
Shape, lifting framework 6 are located at each corner of rectangle and are vertically provided with the second optical axis 62 cooperated with the lifting sliding of framework 6 respectively,
Lifting framework 6 is located at rectangle two sides and is vertically provided with the second driving screw rod 63 being threadedly engaged with lifting framework 6 respectively, by four
The vertical driving structure that the vertical guide frame that a second optical axis 62 forms drives screw rod 63 to form by two second, compares tradition
By the driving structure of single driving screw rod, Modeling Platform 1 is set preferably levelness to be kept to be gone up and down, to improve bottom plate
The printing precision of 2 3D printing.
Claims (10)
1. a kind of magnet construction model platform of 3D printer, including Modeling Platform and for the molding bottom plate of printed material, the bottom
Plate is placed in above Modeling Platform, it is characterised in that: the bottom plate includes inner layer and outer layer, and the material of the inner layer is magnetic
Property metal, the material of the outer layer is the plastics for being molded in inner layer periphery, and the Modeling Platform is provided with magnetic
Bottom plate is adsorbed in the magnetic generating device of Modeling Platform by property.
2. the magnet construction model platform of 3D printer according to claim 1, it is characterised in that: the inner layer is porous
Plate, the porous plate are provided through multiple injecting holes, and the outer layer fills each injecting hole in injection moulding process, and formation is worn
Cross the reinforcing prop of inner layer.
3. the magnet construction model platform of 3D printer according to claim 1, it is characterised in that: the bottom plate is located at side
The force section for extending to that electromagnetic disc is outer and holds for staff is set.
4. the magnet construction model platform of 3D printer according to claim 1 or 2 or 3, it is characterised in that: further include lifting
Seat, the lifting seat are located at middle part and are vertically provided with the first driving screw rod being threadedly engaged with lifting seat, the liter
Drop seat is located at two sides and is vertically provided with the primary optic axis cooperated with lifting seat sliding respectively, and the lifting seat is positioned at two sides point
It is not fixedly installed the support arm for extending to Modeling Platform two sides of the bottom and fixing with Modeling Platform, the Modeling Platform is opposite
Operating space of the other side space of lifting seat as staff.
5. the magnet construction model platform of 3D printer according to claim 1 or 2 or 3, it is characterised in that: further include lifting frame
Body, the edge that the lifting framework is located at below Modeling Platform are provided with the support plate of multiple supports and fixed Modeling Platform,
The lifting framework is rectangular, and the lifting framework is located at each corner of rectangle and is vertically provided with respectively and lifting framework
Slide cooperation the second optical axis, the lifting framework be located at rectangle two sides be vertically provided with respectively with go up and down framework screw thread match
The the second driving screw rod closed.
6. the magnet construction model platform of 3D printer according to claim 1 or 2 or 3, it is characterised in that: the magnetic hair
Generating apparatus includes the electromagnetic disc being fixed on above Modeling Platform, and the upper surface of the electromagnetic disc is flat as the placement for placing bottom plate
Face.
7. the magnet construction model platform of 3D printer according to claim 1 or 2 or 3, it is characterised in that: the magnetic hair
Generating apparatus includes the substrate being fixed on above Modeling Platform and the multiple magnet for being arranged in substrate upper surface, the substrate it is upper
End face is as the holding plane for placing bottom plate.
8. the magnet construction model platform of 3D printer according to claim 7, it is characterised in that: the substrate and each magnet
It is correspondingly arranged on the mounting groove for placing magnet, is provided between the magnet and substrate and magnet is removably fixed in substrate
Fixing bolt, the head of the fixing bolt are butted on magnet upper surface, and bar portion passes through magnet and is threadedly engaged with substrate.
9. the magnet construction model platform of 3D printer according to claim 8, it is characterised in that: the substrate and modeling is flat
Support component is provided between platform, the support component includes the upper ejector pin vertically placed and lower pull rod, the upper ejector pin
Modeling Platform is fixed in lower end, and upper end offsets with base plate bottom, and the lower pull rod upper end is fixed with substrate, and lower end setting is limited
Caging bolt below Modeling Platform.
10. the magnet construction model platform of 3D printer according to claim 7, it is characterised in that: the bottom plate is located at bottom
The outer layer in portion is provided with multiple processing holes, and the processing hole extends to the lateral wall of inner layer from outer layer lateral wall, and described adds
Corresponding with the position of each magnet and shape with magnet in work hole is adapted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920212231.7U CN209718638U (en) | 2019-02-19 | 2019-02-19 | The magnet construction model platform of 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920212231.7U CN209718638U (en) | 2019-02-19 | 2019-02-19 | The magnet construction model platform of 3D printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209718638U true CN209718638U (en) | 2019-12-03 |
Family
ID=68683202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920212231.7U Active CN209718638U (en) | 2019-02-19 | 2019-02-19 | The magnet construction model platform of 3D printer |
Country Status (1)
| Country | Link |
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| CN (1) | CN209718638U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109693382A (en) * | 2019-02-19 | 2019-04-30 | 张启友 | The magnet construction model platform of 3D printer |
| CN113910789A (en) * | 2021-08-30 | 2022-01-11 | 杭州宏华数码科技股份有限公司 | Air suction platform device and digital printing machine |
-
2019
- 2019-02-19 CN CN201920212231.7U patent/CN209718638U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109693382A (en) * | 2019-02-19 | 2019-04-30 | 张启友 | The magnet construction model platform of 3D printer |
| CN109693382B (en) * | 2019-02-19 | 2024-05-14 | 安徽中科祥晟科技有限公司 | Magnetism modeling platform of 3D printer |
| CN113910789A (en) * | 2021-08-30 | 2022-01-11 | 杭州宏华数码科技股份有限公司 | Air suction platform device and digital printing machine |
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| TR01 | Transfer of patent right |
Effective date of registration: 20220630 Address after: 237000 802, building A7, University Science Park, Sanshipu Town, Jin'an District, Lu'an City, Anhui Province Patentee after: Anhui Zhongke Xiangsheng Technology Co.,Ltd. Address before: No. 24, Meiyuan North Road, Guoxi street, Ouhai District, Wenzhou, Zhejiang 325000 Patentee before: Zhang Qiyou |