CN206927792U - Glass 3d printer - Google Patents
Glass 3d printer Download PDFInfo
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- CN206927792U CN206927792U CN201720733393.6U CN201720733393U CN206927792U CN 206927792 U CN206927792 U CN 206927792U CN 201720733393 U CN201720733393 U CN 201720733393U CN 206927792 U CN206927792 U CN 206927792U
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- glass
- shaped platform
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- printer
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Abstract
A kind of this disclosure relates to glass 3D printer, the glass 3D printer includes glass smelting discharging mechanism, glass shaped platform and stage driving, the glass smelting discharging mechanism has to discharge in the glass founded projectively carries out three-dimensional motion to the discharging opening of glass shaped platform, the stage driving for driving the glass shaped platform to have based on the discharging opening on the glass shaped platform along the direction that feeds intake.The 3D printer of the disclosure can realize the accurate making of complicated glassware, ensure the uniformity of complicated glassware different batches size, and the accurate making for high-volume complicated shape glassware provides appointed condition.
Description
Technical field
This disclosure relates to glass field shaping technique, in particular it relates to a kind of glass 3D printer.
Background technology
Glass is made by high temperature melting, then through cooling down by raw materials such as silicate.Plate glass is passed through by production unit
Float glass process, press over system or Narrow slit production, life are made up with glassware of mould shape or master worker's manual operations.
At present, making the glassware of complicated shape can only be made by hand by worker, but the glass system that worker makes manually
Product are inaccurate, inaccurate, have relatively large deviation with design shape, the current country there is no makes setting for complicated glassware automatically
It is standby.
Utility model content
The purpose of the disclosure is to provide a kind of glass 3D printer, and the glass 3D printer that the disclosure provides can be in 3D models
Enclose the glassware of interior making complicated shape.
To achieve these goals, the disclosure provides a kind of glass 3D printer, and the glass 3D printer includes glass
Discharging mechanism, glass shaped platform and stage driving are founded, the glass smelting discharging mechanism has the glass that will be founded
Discharge to the discharging opening of glass shaped platform, the stage driving is used to drive the glass shaped platform based on described in go out
Material mouth has on the glass shaped platform along the direction that feeds intake projectively carries out three-dimensional motion.
Optionally, the glass smelting discharging mechanism includes heating furnace, and the discharging opening is located at the bottom of the heating furnace,
And the glass shaped platform is located at below the discharging opening.
Optionally, the bottom of the heating furnace is provided with for closing or opening the discharging opening to control fusion cast glass to go out
The glass discharging mechanism of material.
Optionally, the glass discharging mechanism includes sliding rail, discharge baffle and linear drives part, the sliding rail
Positioned at the heating furnace discharging opening both sides, the linear drives part can drive the discharge baffle along sliding rail move linearly with
Close or open the discharging opening.
Optionally, it is based on Descartes that the stage driving, which drives the three-dimensional motion of the glass shaped platform,
The straight line three-dimensional motion of coordinate system.
Optionally, the stage driving includes lifting clamp mechanism, first level driver and the second horizontal driver,
The lifting clamp mechanism includes hoistable platform and drives the elevation driving unit of the hoistable platform vertical lifting, first water
Flat driver is arranged on the hoistable platform, second horizontal driver be arranged on the first level driver and by
The first level driver driving carries out first level linear motion, and it is horizontal that the glass shaped platform is arranged on described second
Driven on driver and by second horizontal driver and carry out the second horizontal rectilinear motion, first level linear motion and
The direction of motion of second horizontal rectilinear motion is perpendicular.
Optionally, the glass shaped platform is detachably connected with second horizontal driver.
Optionally, the bottom of the glass shaped platform is provided with what is extended along the direction of first level linear motion
Bar shaped guide rail, the strip groove to match with the bar shaped guide rail is provided with the top of second horizontal driver.
Optionally, the elevation driving unit includes lifting motor and the leading screw being arranged in a vertical direction, the leading screw edge
Axial fixation vertical with the hoistable platform simultaneously coordinates with the threads of lead screw, and the lifting motor connects with the lead screw transmission
Connect.
Optionally, the leading screw is two, and the elevation driving unit also includes the timing belt on the outside of the leading screw
With the synchronous pulley being enclosed on the outside of the rotating shaft of the lifting motor, the lifting motor by the synchronous pulley and timing belt with
Two lead screw transmission connections.
Optionally, the glass 3D printer also includes support, and the support includes the guide pillar being vertically arranged and vertical
In upper plate and lower shoe that guide pillar is set, the lifting motor is located at the top of the upper plate and rotating shaft passes through the upper plate
Into between the upper plate and lower shoe, the leading screw is connected by rolling bearing units with the lower shoe.
Optionally, column is vertically arranged between the upper plate and lower shoe, the column passes through the hoistable platform.
The 3D printer of the disclosure can realize the accurate making of complicated glassware, ensure different batches of complicated glassware
The uniformity of secondary size, the accurate making for high-volume complicated shape glassware provide appointed condition.
Other feature and advantage of the disclosure will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Accompanying drawing is for providing further understanding of the disclosure, and a part for constitution instruction, with following tool
Body embodiment is used to explain the disclosure together, but does not form the limitation to the disclosure.In the accompanying drawings：
Fig. 1 is a kind of structural representation of embodiment of disclosure glass 3D printer.
Fig. 2 is a kind of structural representation of embodiment of disclosure glass discharging mechanism (opening discharging opening).
Fig. 3 is the structural representation (closing discharging opening) of disclosure glass discharging mechanism another kind embodiment.
Fig. 4 is a kind of structural representation of embodiment of disclosure stage driving.
Fig. 5 is disclosure elevation driving unit and a kind of structural representation of embodiment of support.
Description of reference numerals
The sliding rail of 1 glass smelting discharging mechanism, 11 heating furnace 12
The discharge baffle of 13 fixed mount, 14 linear drives part 15
2 glass shaped platforms
The upper plate of 3 stage driving, 31 lifting motor 32
The leading screw of 33 timing belt, 34 synchronous pulley 35
The column of 36 lower shoe, 37 guide pillar 38
39 rolling bearing units
The horizontal driver of 321 hoistable platform, 322 first level driver 323 second
324 pallets
Embodiment
The embodiment of the disclosure is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched
The embodiment stated is merely to illustrate and explained the disclosure, is not limited to the disclosure.
In the disclosure, in the case where not making opposite explanation, the noun of locality such as " upper and lower " used typically refers to 3D printing
Above and below when machine actually uses, " inside and outside " refers to the inside and outside of component outline.
As shown in figure 1, the disclosure provides a kind of glass 3D printer, the glass 3D printer discharges including glass smelting
Mechanism 1, glass shaped platform 2 and stage driving 3, the glass smelting discharging mechanism 1, which has, discharges the glass founded
To the discharging opening of glass shaped platform 2, the stage driving 3 is used to drive the glass shaped platform 2 based on described in go out
Material mouth has on the glass shaped platform along the direction that feeds intake projectively carries out three-dimensional motion.
The glass 3D printer that the disclosure provides can by the discharging of the fusion cast glass of glass smelting discharging mechanism glass into
3D shapings are carried out on type platform, so as to ensure that the accuracy and reproducibility of glassware making, while are large-scale production
Glassware provides condition.
Glass smelting discharging mechanism is used to, by discharging after glass smelting to glass platform, a kind of embodiment, such as scheme
Shown in 1-3, the glass smelting discharging mechanism 1 includes heating furnace 11, and the discharging opening is located at the bottom of the heating furnace, and
The glass shaped platform 2 is located at below the discharging opening.By the way that discharging opening to be arranged on to the bottom of heating furnace, improve and found
The uniformity of glass discharging.In addition, heating furnace is additionally provided with charge door, charge door is preferably placed at the top of heating furnace, with convenient
Discharged after making glass melting by gravity, the charge door can be sealed when not feeding using fill plug, heat furnace roof
Portion is also provided with minute ventilation, for being connected with outside atmosphere.The mode of heating of heating furnace can be electrical heating, can
To be heated to more than 1000 DEG C so that by glass melting, it can include outside housing and the electric heating element in housing,
In order to improve heat-insulated and heat-insulating property, heating furnace bottom can be provided with refractory brick as end liner, and the housing surrounding of heating furnace
Inner side and top can set refractory material.
After frit pours into heating furnace by charge door, suitable temperature is heated to by heating furnace, glass melting, reached
Suitable viscosity, glass metal flows out by discharging opening, it is necessary to prevent the outflow of glass metal after the completion of glassware, therefore, institute
State the bottom of heating furnace 11 and can be provided with to go out for the glass for closing or opening the discharging opening to control fusion cast glass to discharge
Expect mechanism, the glass discharging mechanism can control the discharging of glass metal, so as to realize the operability of glassware making.
A kind of embodiment, such as Fig. 2-3, the glass discharging mechanism includes sliding rail 12, the and of discharge baffle 15
Linear drives part 14, the sliding rail 12 are located at the discharging opening both sides of heating furnace 11, and the linear drives part 14 can drive
The discharge baffle 15 is moved linearly along sliding rail 12 to close or open the discharging opening.For example, the linear drives part
14 can be cylinder, and cylinder is fixed on the bottom wall of heating furnace by fixed mount 13, and in the piston rod of cylinder and discharge baffle 15
Connecting hole be connected coaxial mobile to realize, when the piston rod of cylinder shrinks, discharge baffle 15 is opened, and glass metal flows out
Material；Conversely, when cylinder piston rod stretches out, discharge baffle 15 blocks discharging opening.In addition, in order to improve discharge baffle sealed discharging
The effect of mouth, discharge baffle upper surface preferably touch the bottom wall of heating furnace.
It can be based on that stage driving 3 described in the disclosure, which drives the three-dimensional motion of the glass shaped platform 2,
The three-dimensional motion of spherical coordinate system, the three-dimensional motion based on polar coordinate system or the straight line three-dimensional motion based on cartesian coordinate system,
Can be the three-dimensional motion carried out using six degree of freedom electric platforms, the disclosure is not specifically limited.To be sat based on Descartes
Exemplified by the straight line three-dimensional motion for marking system：
As shown in figure 4, the stage driving 3 includes lifting clamp mechanism, the level of first level driver 322 and second
Driver 323, the lifting clamp mechanism include hoistable platform 321 and drive the lifting of the vertical lifting of hoistable platform 321 to drive
Moving cell, the first level driver 322 are arranged on the hoistable platform 321, and second horizontal driver 323 is set
Driven on the first level driver 322 and by the first level driver 322 and carry out first level linear motion, institute
Glass shaped platform 2 is stated to be arranged on second horizontal driver 323 and drive progress by second horizontal driver 323
Second horizontal rectilinear motion, the direction of motion of the first level linear motion and the second horizontal rectilinear motion are perpendicular.Pass through
Above-mentioned stage driving 3, glass shaped platform 2 can be tied up to X based on cartesian coordinate and be moved to, Y-direction and Z-direction, can be achieved
Left and right, the operation of front and rear and upper and lower three directions.Can be by according to program setting, in glass metal dropping process, controlling glass
Shaped platform 2 moves horizontally, and so, glass metal falls the diverse location in glass shaped platform 2, different shape is formed, to make
Accurate complicated glassware, especially suitable for making rectangular glass product.In addition, with the increase of glassware volume, can be with
The level height of hoistable platform 321 is adjusted, ensures to keep suitable distance between hoistable platform and discharging opening.
Glass shaped platform is located on the downside of discharging opening, after glass metal outflow discharging opening, falls to cool down on platform and fixes.Glass
After product is molded on glass shaped platform 2, glass shaped platform 2 can be removed together with glassware and subsequently be located
Reason, therefore, the glass shaped platform 2 can be detachably connected with second horizontal driver 323.Specifically, such as Fig. 4
Shown, the bottom of the glass shaped platform 2 can be provided with the bar shaped extended along the direction of first level linear motion
Guide rail, the top of second horizontal driver 323 can be provided with the strip groove to match with the bar shaped guide rail.Pass through
The bar shaped guide rail of glass shaped platform 2, which is inserted in the strip groove of the second horizontal driver 323, can realize that glass shaping is flat
The fixation of platform simultaneously can make the second horizontal driver 323 driving glass shaped platform carry out 3D motion, when glassware is molded,
Glassware can be molded and be removed together with glass shaped platform, to realize that the high-volume of glassware makes.
A kind of embodiment, glass shaped platform include superposed upper plate and the supporting plate positioned at upper plate bottom,
The bottom of supporting plate is provided with the bar shaped guide rail, and the upper surface of upper plate is used to receive glass metal for plane, and its material can be resistance to
High temperature stainless steel plate, the lower surface of splint upper surface and upper plate are mutually fixed, and its material can be glass.By setting upper plate and support
Plate, the reception of glass can be both realized, the connection with the second horizontal driver 323 can also be realized.
Horizontal driver is well known to those skilled in the art, for example, the horizontal drive of first level driver 322 and second
Device 323 can each include upper and lower two single shaft drivers, and single shaft driver is driven by motor, pass through lead screw transmission realization and silk
The movement for the slide unit that thick stick is mutually fixed.As shown in figure 4, two single shaft drivers can be vertically arranged, bottom single shaft driver is consolidated
The upper surface of hoistable platform is scheduled on, top single shaft driver is arranged on the slide unit of bottom single shaft driver, slide unit and leading screw phase
It is fixed.Pallet 324 can be fixed with the slide unit of top single shaft driver, the upper surface of pallet 324 is provided with the strip groove,
For being connected with glass shaped platform.
Elevation driving unit is used for the lifting for driving glass shaped platform, can have diversified forms, one kind specific implementation
Mode, as shown in Fig. 1,4 and 5, the elevation driving unit includes lifting motor 31 and the leading screw 35 being arranged in a vertical direction, institute
It is vertical with the hoistable platform 321 vertically fixed and coordinate with the threads of lead screw to state leading screw 35, the lifting motor 31 with
The leading screw 35 is connected.By lifting motor leading screw can be driven to be rotated around its axis direction, and can be further driven to
The hoistable platform 321 coordinated with threads of lead screw lifts.In order to improve the stability of hoistable platform lifting, as shown in figure 5, the silk
Thick stick 35 can be two, and the elevation driving unit can also include the timing belt 33 on the outside of the leading screw 35 and be enclosed on institute
The synchronous pulley 34 on the outside of the rotating shaft of lifting motor 31 is stated, the lifting motor 31 can pass through the synchronous pulley 34 and synchronization
Band 33 is connected with two leading screws 35.Synchronous pulley and synchronizing wheel is driven to drive two leading screws while revolve by lifting motor
Turn, hoistable platform can be driven vertically stably to be lifted.Certainly, the quantity of leading screw can also be more than two, with
Further improve the stability of hoistable platform lifting.
Lifting motor can fix on the wall, on plate or on frame, such as shown in figure 5, the glass 3D printer may be used also
So that including support, the support can include the guide pillar 37 being vertically arranged and perpendicular to the upper plate 32 that guide pillar 37 is set with
Bottom plate 36, the lifting motor 31 can be located at the top of upper plate 32 and rotating shaft enters on described through the upper plate 32
Between bottom plate 32 and lower shoe 36, the leading screw 35 can be connected by rolling bearing units 39 with the lower shoe 36, when leading screw is
At more, its top and bottom can be connected by rolling bearing units 39 with upper plate 32 and lower shoe 36 respectively.Support can be by
Steel plate and fastener for connection form, and guide pillar 37 can be four, connect the corner of upper and lower bottom plate respectively.By setting support on the one hand
Elevation driving unit can be fixed, on the other hand glass smelting discharging mechanism 1 and glass shaped platform 2 can also be fixed it
On, so as to facilitate the transport of whole glass 3D printer.
In order to further improve the lifting stability of hoistable platform, as shown in figure 5, the upper plate 32 and lower shoe 36
Between can be vertically arranged with column 38, the column 38 passes through the hoistable platform 321, and column bottom can pass through fot screw
It is fixed.By setting column 38, hoistable platform can be moved up and down along column 38, and hoistable platform integral elevating can be made more flat
Surely.
The application method of disclosure glass 3D printer will be further illustrated by embodiment below, but originally
It is open therefore not any way limited.
When carrying out making glassware using the glass 3D printer of the disclosure, heating furnace can use electric furnace, tool
Body uses Resistant heating.There is electrical heating resistance wire heating furnace both sides among furnace wall.During energization, heating furnace can be risen to
More than 1000 DEG C, melt frit.Heating furnace bottom has discharging opening, and glass metal is flowed out by discharging opening.
As shown in figure 4, the horizontal driver 323 of first level driver 322 and second on hoistable platform 321 can be two
Individual single shaft driver is simultaneously driven using motor, and driver one end is horizontally mounted motor, and motor shaft head is connected with leading screw, and leading screw passes through
Pair of nut is fixed with slide unit.When motor rotates, leading screw rotation is driven, drives horizontal sliding table to move by screw pair.
Glass shaped platform 2 can be preheated first, then fixed on the second horizontal driver 323, preheating temperature about 300
DEG C -500 DEG C, to reduce the temperature difference of high-temperature glass liquid and glass shaped platform 2, avoid glass metal that crackle occurs after cooling down.
When making complicated glassware, frit is put into heating furnace first, and frit is heated to melting.Adjust
Whole hoistable platform as shown in Figure 1-2, by controlling linear drives part 14, opens discharge baffle 15, buttress shaft shape glass to proper height
Glass liquid falls on to cool down on glass shaped platform 2 and fixed.As shown in figure 4, pass through programme-control first level driver 322 and second
The movement of horizontal driver 323, glass metal is fallen on the diverse location of glass shaped platform 2, and can be superimposed upwards.With
The movement of glass shaped platform 2 and the whereabouts cooling of glass metal, accurate complicated glassware can complete, finally close
Discharge baffle.
The preferred embodiment of the disclosure is described in detail above in association with accompanying drawing, still, the disclosure is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical scheme of the disclosure
Monotropic type, these simple variants belong to the protection domain of the disclosure.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the disclosure to it is various can
The combination of energy no longer separately illustrates.
In addition, it can also be combined between a variety of embodiments of the disclosure, as long as it is without prejudice to originally
Disclosed thought, it should equally be considered as disclosure disclosure of that.
Claims (10)
1. a kind of glass 3D printer, it is characterised in that the glass 3D printer includes glass smelting discharging mechanism (1), glass
Glass shaped platform (2) and stage driving (3), the glass smelting discharging mechanism (1) have by the glass founded discharge to
The discharging opening of glass shaped platform (2), the stage driving (3) are used to drive the glass shaped platform (2) to be based on institute
State discharging opening on the glass shaped platform (2) along feed intake direction have projectively carry out three-dimensional motion.
2. glass 3D printer according to claim 1, it is characterised in that the glass smelting discharging mechanism (1) includes
Heating furnace (11), the discharging opening is located at the bottom of the heating furnace, and the glass shaped platform (2) is located at the discharging
Below mouthful.
3. glass 3D printer according to claim 2, it is characterised in that the bottom of the heating furnace (11) is provided with use
In close or open the discharging opening with control fusion cast glass discharge glass discharging mechanism.
4. glass 3D printer according to claim 3, it is characterised in that the glass discharging mechanism includes sliding rail
(12), discharge baffle (15) and linear drives part (14), the sliding rail (12) are located at the heating furnace (11) discharging opening two
Side, the linear drives part (14) can drive the discharge baffle (15) to be moved linearly along sliding rail (12) to close or open
The discharging opening.
5. glass 3D printer according to claim 1, it is characterised in that described in stage driving (3) driving
The three-dimensional motion of glass shaped platform (2) is the straight line three-dimensional motion based on cartesian coordinate system.
6. glass 3D printer according to claim 5, it is characterised in that the stage driving (3) includes lifting
Clamp mechanism, first level driver (322) and the second horizontal driver (323), the lifting clamp mechanism include hoistable platform
(321) and driving hoistable platform (321) vertical lifting elevation driving unit, the first level driver (322) sets
Put on the hoistable platform (321), second horizontal driver (323) is arranged on the first level driver (322)
Driven above and by the first level driver (322) and carry out first level linear motion, the glass shaped platform (2) is set
Driven on second horizontal driver (323) and by second horizontal driver (323) and carry out the second horizontal linear fortune
Dynamic, the direction of motion of the first level linear motion and the second horizontal rectilinear motion is perpendicular.
7. glass 3D printer according to claim 6, it is characterised in that the glass shaped platform (2) and described the
Two horizontal drivers (323) are detachably connected, and the bottom of the glass shaped platform (2) is provided with straight along the first level
The bar shaped guide rail of the direction extension of line motion, is provided with and the bar shaped guide rail at the top of second horizontal driver (323)
The strip groove to match.
8. glass 3D printer according to claim 6, it is characterised in that the elevation driving unit includes lifting motor
(31) and the leading screw (35) that is arranged in a vertical direction, the leading screw (35) are vertical with the hoistable platform (321) vertically fixed
And coordinate with the leading screw (35) screw thread, the lifting motor (31) is connected with the leading screw (35).
9. glass 3D printer according to claim 8, it is characterised in that the leading screw (35) is two, the lifting
Driver element also includes the timing belt (33) on the outside of the leading screw (35) and is enclosed on outside the rotating shaft of the lifting motor (31)
The synchronous pulley (34) of side, the lifting motor (31) pass through the synchronous pulley (34) and timing belt (33) and two leading screws
(35) it is connected.
10. glass 3D printer according to claim 8, it is characterised in that the glass 3D printer also includes support,
The support includes the guide pillar (37) being vertically arranged and the upper plate (32) and lower shoe that are set perpendicular to guide pillar (37)
(36), the lifting motor (31) is located at the top of the upper plate (32) and rotating shaft enters on described through the upper plate (32)
Between bottom plate (32) and lower shoe (36), the leading screw (35) is connected by rolling bearing units (39) with the lower shoe (36)；Institute
State and column (38) is vertically arranged between upper plate (32) and lower shoe (36), the column (38) passes through the hoistable platform
(321)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720733393.6U CN206927792U (en) | 2017-06-22 | 2017-06-22 | Glass 3d printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720733393.6U CN206927792U (en) | 2017-06-22 | 2017-06-22 | Glass 3d printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206927792U true CN206927792U (en) | 2018-01-26 |
Family
ID=61345785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720733393.6U Active CN206927792U (en) | 2017-06-22 | 2017-06-22 | Glass 3d printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206927792U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108821547A (en) * | 2018-07-24 | 2018-11-16 | 王玉芹 | A kind of glass 3D printer |
| CN108909342A (en) * | 2018-07-24 | 2018-11-30 | 王玉芹 | A kind of manufacture craft of Glass Craft |
| CN111348818A (en) * | 2018-12-21 | 2020-06-30 | 康宁股份有限公司 | Enhanced 3D printed surface features and methods of making the same |
-
2017
- 2017-06-22 CN CN201720733393.6U patent/CN206927792U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108821547A (en) * | 2018-07-24 | 2018-11-16 | 王玉芹 | A kind of glass 3D printer |
| CN108909342A (en) * | 2018-07-24 | 2018-11-30 | 王玉芹 | A kind of manufacture craft of Glass Craft |
| CN111348818A (en) * | 2018-12-21 | 2020-06-30 | 康宁股份有限公司 | Enhanced 3D printed surface features and methods of making the same |
| US11970421B2 (en) | 2018-12-21 | 2024-04-30 | Corning Incorporated | Strengthened 3D printed surface features and methods of making the same |
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Effective date of registration: 20200922 Address after: 050035 No. 9, the Yellow River Avenue, hi tech Zone, Hebei, Shijiazhuang Patentee after: DONGXU OPTOELECTRONIC TECHNOLOGY Co.,Ltd. Address before: The 100070 Beijing Seahawks Fengtai District Science City Road No. 9 Building No. 2 room 266 (Park) Patentee before: TUNGHSU TECHNOLOGY GROUP Co.,Ltd. Patentee before: TUNGHSU GROUP Co.,Ltd. |