CN211386902U - Large SLM3D unmanned print device - Google Patents
Large SLM3D unmanned print device Download PDFInfo
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- CN211386902U CN211386902U CN201922484216.0U CN201922484216U CN211386902U CN 211386902 U CN211386902 U CN 211386902U CN 201922484216 U CN201922484216 U CN 201922484216U CN 211386902 U CN211386902 U CN 211386902U
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- 239000000843 powder Substances 0.000 claims abstract description 121
- 238000007639 printing Methods 0.000 claims abstract description 63
- 238000007493 shaping process Methods 0.000 claims abstract description 30
- 230000003028 elevating effect Effects 0.000 claims abstract description 8
- 239000000428 dust Substances 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 abstract description 18
- 238000000034 method Methods 0.000 abstract description 16
- 230000008569 process Effects 0.000 abstract description 15
- 239000002184 metal Substances 0.000 description 16
- 238000007873 sieving Methods 0.000 description 14
- 238000000746 purification Methods 0.000 description 12
- 230000007246 mechanism Effects 0.000 description 9
- 238000007599 discharging Methods 0.000 description 7
- 238000003892 spreading Methods 0.000 description 6
- 230000007480 spreading Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 230000002457 bidirectional effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model relates to a large-scale SLM3D unmanned operation printing apparatus, including shaping room and part elevating system, be equipped with in the shaping room and supply powder device and two-way shop's powder device, shaping room below is equipped with receives the powder device, receive a powder device intercommunication vacuum conveyer entry, a vacuum conveyer exit linkage has the powder shifter, the powder shifter export is connected through vacuum conveyer two and is supplied the powder device, shaping room bottom both sides are equipped with and are used for the linear guide who removes the shaping room, pass through the automatic locking of retaining member and fix a position printing position department shaping room, part elevating system includes a shaping jar at least, a five-axis linkage robot is equipped with respectively to the both sides of shaping jar, be equipped with on the five-axis linkage robot and inhale the powder device. The utility model discloses a printing apparatus has reduced one and has got a cabin, and the part of printing is high, and collision shaping room or optical device when having avoided getting a, and has guaranteed the leakproofness of shaping room, realize that the whole is printed to getting a process unmanned operation.
Description
Technical Field
The utility model belongs to the technical field of the vibration material disk, especially, relate to a large-scale SLM3D unmanned operation printing apparatus.
Background
The SLM is a method for directly forming metal parts and is the latest development of a rapid forming technology. The technology is based on the most basic idea of rapid forming, namely an incremental manufacturing mode of melting layer by layer, parts with specific geometric shapes are directly formed according to a three-dimensional CAD model, and metal powder is completely melted in the forming process to generate metallurgical bonding. The technology can be used for forming metal parts with complex shapes and structures which cannot be manufactured by the traditional machining means, and the selective laser melting SLM technology is one of the main directions of the application of the rapid laser forming technology.
Existing SLM3D printing devices fall into three categories: one is an apparatus without a separate pick-up chamber, the other is an apparatus for moving the optical device to pick up the parts independently, and the third is an apparatus equipped with a separate pick-up chamber. The above three devices have the following disadvantages:
(1) all devices need to manually process the residual metal powder after printing, so that the harm to human bodies is caused.
(2) For a plant without a separate pick-up pod: as shown in fig. 1, the device mainly comprises an optical device 1, a forming cylinder 2, a powder spreading device 3, a powder supplying device 4, a powder collecting device 5 and a forming chamber 6. During operation, the optical devices 1 are fixed at the top of the forming chamber 6 at a distance from the laser sintering surface. This distance is determined by the parameters inside the optical device, generally within 800mm, which determines that the internal height of the forming chamber 6 cannot be too high, and that when the height of the printed workpiece 7 is small, the workpiece 7 can be completely lifted into the forming chamber 6 and then removed from the forming chamber 6. However, when the printed workpiece is too high and higher than the maximum internal space height of the forming chamber, the workpiece cannot be completely lifted, and the completely lifted workpiece directly impacts the optical device at the top of the forming area, so that danger is caused. Because the printed workpiece is too large, the workpiece cannot be taken out of the forming chamber after printing is finished.
(3) For an apparatus that moves an optical device: as shown in fig. 2, the optical device 1 at the top of the forming chamber is moved and then the optical device 1 is taken out, and the optical device 1 is returned to the forming chamber 6 during printing. This construction has the disadvantage that when the optical device is removed and the part is taken from the position of the opening in the optical device, metal powder is scattered under the guide rail 8 of the optical device, which affects the life of the guide rail, and the sealing of the optical device 1 to the molding chamber 6 is difficult to ensure, and there is a risk of collision with the molding chamber during the taking of the part.
(4) For a device with an independent pickup pod added: as shown in fig. 3, a separate pick-up compartment 9 is provided for picking up the parts, and a hatch 10 which can be opened is arranged on the top of the pick-up compartment 9, and when printing, the part of the forming cylinder 2 returns to the printing area and is aligned with the forming chamber 6 up and down; when a workpiece is taken, the forming cylinder 2 is moved to enable the forming cylinder 2 to be aligned with the workpiece taking cabin 9, the cabin cover 10 of the workpiece taking cabin 9 is opened, the workpiece 7 is lifted in the process of cleaning the part, the top of the workpiece extends out of the cabin cover of the workpiece taking cabin, the workpiece can be lifted out of the cabin cover of the workpiece taking cabin after cleaning is finished, and the workpiece can be lifted out of the cabin cover of the workpiece taking cabin. There is no longer the risk of the workpiece hitting the part of the optical device 1, while also allowing the apparatus to print workpieces of relatively high height, but this solution has the disadvantage of adding the pick-up compartment 9, increasing the price and cost of the apparatus.
Disclosure of Invention
To the problem that prior art exists, the utility model provides a large-scale SLM3D unmanned operation printing apparatus. This printing apparatus has reduced one and has got a cabin, and the part height of printing is high, has avoided colliding shaping room or optical device when getting a, and has guaranteed the leakproofness of shaping room, realizes whole printing to getting a process unmanned operation.
The utility model discloses a realize like this, a large-scale SLM3D unmanned operation printing apparatus, including shaping room and part elevating system, be equipped with in the shaping room and supply powder device and two-way shop powder device, shaping room below is equipped with receives the powder device, receive a powder device intercommunication vacuum conveyer entry, a vacuum conveyer exit linkage has the powder shifter, the powder shifter export supplies the powder device through two connections of vacuum conveyer, and shaping room bottom both sides are equipped with and are used for the linear guide who removes the shaping room, locate the shaping room and pass through the automatic locking of retaining member and fix a position printing position, part elevating system includes a shaping jar at least, a five-axis linkage robot is equipped with respectively to the both sides of shaping jar, be equipped with on the five-axis linkage robot and inhale the powder device.
In the above technical solution, preferably, the two sides of the bottom of the forming chamber are respectively provided with a supporting plate, the bottom of the supporting plate far away from one side of the forming chamber is fixedly connected with a sliding block of a linear guide rail, and the linear guide rail is installed on a frame of the whole equipment.
In the above technical solution, it is further preferable that a rib plate is installed between the support plate and the sidewall of the forming chamber.
In the above technical scheme, preferably, the locking member includes a cylinder, a tapered positioning pin and a tapered positioning pin guide sleeve, the piston rod of the cylinder is connected with the tapered positioning pin, the tapered positioning pin is matched with the tapered positioning hole in the tapered positioning pin guide sleeve, and the tapered positioning pin guide sleeve is installed on the frame of the whole device.
In the above technical solution, it is further preferable that the cylinder is mounted on the support plate, and a through hole for the cylinder piston rod and the tapered positioning pin to pass through is formed in the support plate.
In the above technical scheme, preferably, a powder discharging device is arranged at the lower part of the forming cylinder, an outlet of the powder discharging device is connected with a powder collecting device after printing, and the powder collecting device after printing is communicated with an inlet of the vacuum conveyor.
In the above technical solution, preferably, the powder suction device is communicated with an inlet of the vacuum conveyor.
In the above technical scheme, preferably, the first outlet of the vacuum conveyor and the outlet of the powder screening machine are both provided with a powder storage cylinder.
In the above technical scheme, preferably, the inside dust removal purification cabinet that still is equipped with of this equipment is equipped with the purification filter core in the dust removal purification cabinet.
When printing the part, the shaping room is adjusted well with part elevating system, guarantees the printing precision of part, and inside the dust removal purification cabinet built-in equipment, the purification cartridge adopted 1 to be equipped with 1 and is used for realizing the risk that the filter core was changed or the blowback filter core was temporarily stopped printing when printing large-scale part for a long time. After the part is printed, the part of the forming chamber is moved to completely separate the forming chamber from the forming cylinder, and the powder unloading device outside the forming cylinder is opened to enable the metal powder which is not sintered in the forming cylinder to automatically flow into the powder collecting device after printing. The first vacuum conveyor conveys metal powder in the powder collecting device and the printed powder collecting device to a powder sieving machine for sieving the powder, so that the metal powder is automatically recovered and sieved in the printing process, and the sieved metal powder is conveyed back to a powder supply device in the forming chamber through the second vacuum conveyor, so that the overflowing powder in the printing process is recycled. The powder unloading device is closed after the powder unloading is finished, the part lifting mechanism drives the parts to be conveyed upwards through the double screws, the powder suction devices on the two five-axis linkage robots on the two sides of the part lifting mechanism suck residual powder on the parts according to a specified path in the conveying process, and the sucked residual powder automatically returns to the powder sieving machine through the first vacuum conveyor to be sieved and recovered. The part is directly taken away from the top after the part is ejected out of the part lifting mechanism, the forming chamber returns to the printing position after the part is taken away, the cylinder drives the conical positioning pin to automatically lock and position when the forming chamber moves to the printing position, and the whole printing process is completed.
The utility model has the advantages and positive effects that:
by adopting the technical scheme, the utility model reduces a piece taking cabin, so that the occupied area of the printing equipment is reduced compared with the similar equipment, the height of the printed part is high, the collision with a forming chamber during piece taking is avoided, and the unmanned operation from the whole printing to the piece taking process is realized; the double-linear guide rail is fixed at the bottom of the forming chamber, so that the moving straightness of the forming chamber is guaranteed, and the cylinder drives the conical positioning pin to automatically lock and position when the forming chamber moves to a printing position, so that the precise positioning of the forming chamber is realized.
Drawings
FIG. 1 is a schematic structural view of a conventional device without an independent pickup compartment;
fig. 2 is a schematic diagram of an apparatus structure of a conventional mobile optical structure provided by the present invention;
FIG. 3 is a schematic structural diagram of a conventional apparatus having an independent pickup compartment according to the present invention;
fig. 4 is a schematic structural diagram of a printing apparatus provided by an embodiment of the present invention;
fig. 5 is a side view of a forming chamber and a part lifting mechanism portion of a printing apparatus provided by an embodiment of the present invention;
fig. 6 is a schematic structural view of a moving and locking positioning part of a forming chamber provided by an embodiment of the invention.
In the figure: 1. an optical device; 2. a forming cylinder; 3. a powder spreading device; 4. a powder supply device; 5. a powder collecting device; 6. a forming chamber; 7. a workpiece; 8. a guide rail; 9. a pickup cabin; 10. a hatch cover; 11. a bidirectional powder spreading device; 12. a first vacuum conveyor; 13. a powder screening machine; 14. a second vacuum conveyor; 15. a linear guide rail; 16. a locking member; 16-1, a cylinder; 16-2, a tapered locating pin; 16-3 conical locating pin guide sleeves; 16-4, conical positioning holes; 17. a five-axis linkage robot; 18. a powder suction device; 19. a support plate; 19-1, a through hole; 20. a rib plate; 21. a powder unloading device; 22. a powder collecting device after printing; 23. a powder storage cylinder; 24. a dust removal purification cabinet; 25. purifying filter element.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the following embodiments and accompanying drawings. It will be appreciated by those skilled in the art that the following specific embodiments or exemplary embodiments are provided as a series of optimized arrangements for further explaining the specific embodiments of the present invention, and that all such arrangements may be combined or used in conjunction with each other, unless it is clear that some or some specific embodiments or exemplary embodiments cannot be combined or used in conjunction with other embodiments or exemplary embodiments in the present invention. Meanwhile, the following specific examples or embodiments are only provided as an optimized arrangement mode and are not to be understood as limiting the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "top", "bottom", "inner", "outer", and the like refer to orientations or positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 4-6, the present embodiment provides a large SLM3D unmanned printing apparatus, including a forming chamber 6 and a part lifting mechanism, where the forming chamber 6 is provided with a powder supply device 4 and a bidirectional powder spreading device 11, a powder collecting device 5 is provided below the forming chamber 6, the left and right sides of the forming cylinder are provided with the powder collecting devices 5, the bidirectional powder spreading device recovers excess metal powder from both sides when spreading powder, the powder collecting device 5 is communicated with an inlet of a first vacuum conveyor 12, an outlet of the first vacuum conveyor 12 is connected with a powder sieving machine 13, an outlet of the powder sieving machine 13 is connected with the powder supply device 4 through a second vacuum conveyor 14, both sides of the bottom of the forming chamber 6 are provided with linear guide rails 15 for moving the forming chamber, the forming chamber 6 is automatically locked and positioned through a locking member 16 at a printing position, the part lifting mechanism at least includes a forming cylinder 2, two sides of the forming cylinder 2 are respectively provided with a five-axis linkage robot 17, and the five-axis linkage robot 17 is provided with a powder suction device 18.
In a preferred embodiment, the two sides of the bottom of the forming chamber 6 are respectively provided with a supporting plate 19, the bottom of the supporting plate 19 at the side far away from the forming chamber 6 is fixedly connected with a sliding block of the linear guide 15, and the linear guide 15 is installed on the frame of the whole equipment. The forming chamber moves through the supporting plates on two sides of the bottom and the double linear guide rails, the moving straightness of the forming chamber is guaranteed, and when the five-axis linkage robot sucks powder, the linear guide rails are far away from the forming chamber and located below the side of the powder sucking device, so that residual powder on parts is prevented from scattering on the linear guide rails, and the service life of the linear guide rails is guaranteed.
As a further preferred embodiment, a rib plate 20 is installed between the supporting plate 19 and the side wall of the forming chamber 6, and the rib plate in this embodiment is a triangular rib plate, so as to ensure the connection strength between the supporting plate and the forming chamber.
In a preferred embodiment, the locking member 16 comprises an air cylinder 16-1, a tapered positioning pin 16-2 and a tapered positioning pin guide 16-3, a piston rod of the air cylinder 16-1 is connected with the tapered positioning pin 16-2, the tapered positioning pin 16-2 is matched with a tapered positioning hole 16-4 in the tapered positioning pin guide 16-3, and the tapered positioning pin guide 16-3 is installed on a frame of the whole device. The cylinder drives the conical positioning pin to be locked and positioned, so that the forming chamber can be accurately positioned.
As a further preferred embodiment, the air cylinder 16-1 is installed on the supporting plate 19, a through hole 19-1 for a piston rod of the air cylinder and the conical positioning pin to pass through is formed in the supporting plate 19, when the forming chamber is locked and positioned, the air cylinder drives the conical positioning pin to pass through the through hole to be matched with the guide sleeve of the conical positioning pin, and the air cylinder does not influence the movement of the forming chamber and can realize accurate positioning.
In a preferred embodiment, a powder discharging device 21 is arranged at the lower part of the forming cylinder 2, an outlet of the powder discharging device 21 is connected with a powder collecting device 22 after printing, the powder collecting device 22 after printing is communicated with an inlet 12 of a vacuum conveyor, the powder discharging device is opened to enable metal powder which is not sintered in the forming cylinder to automatically flow into the powder collecting device after printing, and the vacuum conveyor conveys the metal powder in the powder collecting device after printing into a powder sieving machine for sieving.
In a preferred embodiment, the powder suction device 18 is communicated with the inlet of the vacuum conveyor 12, and residual powder sucked by the powder suction device automatically returns to the powder sieving machine for sieving and recovering.
As a preferable embodiment, the outlet of the first vacuum conveyor 12 and the outlet of the powder sieving machine 13 are respectively provided with a powder storage cylinder 23, so that the powder sieving recovery is facilitated, and the powder supply of the powder supply device can be ensured at any time.
As the preferred embodiment, the inside dust removal purification cabinet 24 that still is equipped with of this equipment, be equipped with purification filter 25 in the dust removal purification cabinet 24, purification filter adopts 1 to be equipped with 1 and is used for realizing the risk that the filter core was changed or blowback filter core pauses to print when printing large-scale part for a long time.
The utility model discloses a concrete working process as follows:
when printing the part, the shaping room 6 is adjusted well with part elevating system, guarantees the printing precision of part, and inside the dust removal purification cabinet 24 built-in equipment, purification filter core 25 adopted 1 to be equipped with 1 and was used for realizing the risk that change filter core or blowback filter core pause and print when printing large-scale part for a long time. After the part is printed, the part of the forming chamber 6 is moved to completely separate the forming chamber 6 from the forming cylinder 2, and the powder discharging device 21 outside the forming cylinder 2 is opened to make the metal powder which is not sintered in the forming cylinder automatically flow into the powder collecting device 22 after printing. The first vacuum conveyor 12 conveys the metal powder in the powder collecting device 5 and the printed powder collecting device 22 into the powder sieving machine 13 for sieving, so that the metal powder is automatically recovered and sieved in the printing process, and the sieved metal powder is conveyed back into the powder supply device 4 in the forming chamber 6 through the second vacuum conveyor 14, so that the overflowing powder in the printing process is recycled. And after the powder is discharged, the powder discharging device 21 is closed, the part lifting mechanism drives the part to be conveyed upwards through the double screws, the powder sucking devices 18 on the two five-axis linkage robots 17 on the two sides of the part lifting mechanism suck residual powder on the part according to a specified path in the conveying process, and the sucked residual powder automatically returns to the powder sieving machine 13 through the first vacuum conveyor 12 to be sieved and recovered. The part is directly taken away from the top after being ejected out of the part lifting mechanism, the forming chamber 6 returns to the printing position after the part is taken away, the air cylinder 16-1 drives the conical positioning pin 16-2 to automatically lock and position when the forming chamber 6 moves to the printing position, and the whole printing process is finished.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: it is also possible to modify the solutions described in the foregoing embodiments or to substitute some or all of the technical features of the foregoing embodiments with equivalents, without departing from the scope of the embodiments of the present invention.
Claims (9)
1. A large SLM3D unmanned printing device, characterized by: including shaping room and part elevating system, be equipped with in the shaping room and supply powder device and two-way shop powder device, the shaping room below is equipped with receives the powder device, receive a powder device intercommunication vacuum conveyer entry, a vacuum conveyer exit linkage has the powder shifter, the powder shifter export supplies the powder device through two connections of vacuum conveyer, and shaping room bottom both sides are equipped with the linear guide who is used for removing the shaping room, locates at printing position the shaping room and pass through the automatic locking of retaining member and fix a position, part elevating system includes a shaping jar at least, a five-axis linkage robot is equipped with respectively to the both sides of shaping jar, be equipped with on the five-axis linkage robot and inhale the powder device.
2. The large SLM3D unmanned printing device according to claim 1, wherein pallets are arranged on both sides of the bottom of the forming chamber, and the bottom of the pallet on the side far away from the forming chamber is fixedly connected with the slide block of the linear guide rail, and the linear guide rail is mounted on the frame of the whole device.
3. The large SLM3D unmanned aerial vehicle printing apparatus according to claim 2, wherein a rib is mounted between the carrier and the forming chamber side wall.
4. The large SLM3D unmanned aerial vehicle printing device according to claim 2, wherein the locking member comprises a cylinder, a tapered positioning pin and a tapered positioning pin guide sleeve, the piston rod of the cylinder is connected to the tapered positioning pin, the tapered positioning pin is fitted to the tapered positioning hole in the tapered positioning pin guide sleeve, and the tapered positioning pin guide sleeve is mounted on the frame of the whole device.
5. The large SLM3D unmanned aerial vehicle printing apparatus of claim 4, wherein the cylinder is mounted on a support plate and a through hole is provided in the support plate for a cylinder rod and a conical positioning pin to pass through.
6. The large SLM3D unmanned aerial vehicle printing apparatus as claimed in claim 1, wherein a powder unloading device is provided at the lower part of the forming cylinder, an outlet of the powder unloading device is connected with a post-printing powder collecting device, and the post-printing powder collecting device is connected with an inlet of the vacuum conveyor.
7. The large SLM3D unmanned aerial vehicle printing apparatus of claim 1, wherein the powder suction device is in communication with an inlet of a vacuum conveyor.
8. The large SLM3D unmanned printing apparatus as claimed in claim 1, wherein both the vacuum conveyor outlet and the sifter outlet are provided with powder storage cartridges.
9. The large SLM3D unmanned aerial vehicle printing apparatus as claimed in claim 1, wherein a dust cleaning cabinet is provided inside the apparatus, and a cleaning filter is provided inside the dust cleaning cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922484216.0U CN211386902U (en) | 2019-12-31 | 2019-12-31 | Large SLM3D unmanned print device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922484216.0U CN211386902U (en) | 2019-12-31 | 2019-12-31 | Large SLM3D unmanned print device |
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| CN211386902U true CN211386902U (en) | 2020-09-01 |
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| CN201922484216.0U Active CN211386902U (en) | 2019-12-31 | 2019-12-31 | Large SLM3D unmanned print device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110947968A (en) * | 2019-12-31 | 2020-04-03 | 天津镭明激光科技有限公司 | Large SLM3D unmanned print device |
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2019
- 2019-12-31 CN CN201922484216.0U patent/CN211386902U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110947968A (en) * | 2019-12-31 | 2020-04-03 | 天津镭明激光科技有限公司 | Large SLM3D unmanned print device |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Large scale SLM3D unmanned operation printing equipment Granted publication date: 20200901 Pledgee: Bank of China Tianjin Heping Branch Pledgor: TIANJIN RADIUM LASER TECHNOLOGY Co.,Ltd. Registration number: Y2024980010582 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |