CN110976467A - Metal 3D printer powder recovery unit - Google Patents
Metal 3D printer powder recovery unit Download PDFInfo
- Publication number
- CN110976467A CN110976467A CN201911344495.9A CN201911344495A CN110976467A CN 110976467 A CN110976467 A CN 110976467A CN 201911344495 A CN201911344495 A CN 201911344495A CN 110976467 A CN110976467 A CN 110976467A
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- Prior art keywords
- fixedly connected
- powder
- frame
- rack
- upper portion
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/56—Heated screens
Abstract
The invention discloses a powder recovery device of a metal 3D printer, which comprises a rack, a transverse moving mechanism and a powder suction mechanism, wherein the transverse moving mechanism is installed at the upper part of the rack, and the powder suction mechanism is installed at the side part of the transverse moving mechanism. According to the invention, the powder absorbing mechanism absorbs the residual powder on the workbench and transmits the residual powder to the screening device on the rack, and the screening device heats and screens the impurities, so that the residual powder is recycled, which is different from manual recycling of powder, and the device has high working efficiency and good recycling effect; by positioning the workbench, the residual powder can be sucked on the workbench through the powder suction cover; through the connection mode of the canvas folding pipe and the spring, the screen frame is screened by the vibration exciter in a vibration mode, and meanwhile, the frame cannot be greatly vibrated; different from the conventional powder recovery device fixed below the workbench, the powder recovery device can be used on the workbenches with various models and sizes, and has strong applicability.
Description
Technical Field
The invention belongs to the technical field of 3D printer related equipment, and particularly relates to a powder recovery device of a metal 3D printer.
Background
3D printing (3 DP), a technique for constructing objects by layer-by-layer printing using bondable materials such as powdered metals or plastics based on digital model files, is one of the rapid prototyping techniques, also known as additive manufacturing. 3D printing is typically achieved using digital technology material printers. The method is often used for manufacturing models in the fields of mold manufacturing, industrial design and the like, and is gradually used for directly manufacturing some products, and parts printed by the technology are already available. The technology has applications in jewelry, footwear, industrial design, construction, engineering and construction, automotive, aerospace, dental and medical industries, education, geographic information systems, civil engineering, firearms, and other fields.
The 3D printing technology has various classification modes, the raw materials used for printing are different, the conventional raw materials comprise wire materials, powder materials and the like, when the powdery raw materials are used for printing, a part of the raw materials are generally remained on a workbench, the waste is caused by directly abandoning the residual materials, the raw materials need to be recycled in order to improve the utilization rate of the raw materials, in addition, the powder raw materials need to be subjected to processes of heating, drying, screening, impurity removal and the like in the process of recycling, the processes are excessive, the manual operation is generally carried out, and the working efficiency of the manual operation is low; in addition, the conventional powder recovery device is generally directly and fixedly arranged on a workbench, the working effect is fixed, and powder can be recycled only for a single printer, so that the powder recovery device for the metal 3D printer is provided to solve the problems in the prior art.
Disclosure of Invention
The invention aims to provide a powder recovery device for a metal 3D printer, and aims to solve the problems that in the prior art, the efficiency of recovery of residual powder by manual operation is low, a conventional powder recovery device is generally integrated below a workbench, and the applicability of the recovery device is poor.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a metal 3D printer powder recovery unit, includes frame, sideslip mechanism and inhales whitewashed mechanism, sideslip mechanism installs the upper portion in the frame, inhale whitewashed mechanism and install the lateral part at sideslip mechanism.
A first material storage chamber is fixedly arranged at the upper part of the frame, the upper part of the first material storage chamber is fixedly communicated with a connecting pipe, the connecting pipe is fixedly communicated with a hose, the first material storage chamber is provided with a temperature sensor and a temperature controller, the first material storage chamber is provided with a heater, the lower part of the first material storage chamber is fixedly communicated with a first folding pipe, the lower part of the first folding pipe is fixedly connected with a screening cavity, the lower part of the screening cavity is fixedly connected with a screen frame, the side part of the screen frame is fixedly connected with a spring which is fixedly connected on the frame, one end of the screening cavity is fixedly connected with a waste discharge port, a vibration exciter is arranged on a net rack of the screen rack, the screen frame lower part fixedly connected with second folding pipe of screen frame, the lower part fixedly connected with second storage compartment of second folding pipe, the lower part fixedly connected with discharge gate of second storage compartment.
The transverse moving mechanism comprises a first motor, a second motor and a rack ring, the first motor and the second motor are fixedly mounted on the upper portion of the rack, the output shafts of the first motor and the second motor are fixedly connected with gears through splines, the gears are meshed and mounted on the rack ring, a transverse plate is fixedly connected with one end of the rack ring, a limiting rod is fixedly connected with the other end of the rack ring, a limiting sleeve is fixedly connected to one side of the upper portion of the rack, and the limiting rod is inserted into the limiting sleeve in a sliding mode.
The powder suction mechanism comprises a fixing frame and a powder suction cover, the transverse plate is fixedly connected to the side portion of the fixing frame, the lower portion of the fixing frame is fixedly connected with a sleeve in an inserting mode and penetrates through the sleeve, the upper portion of the sleeve is fixedly communicated with the hose, the lower portion of the sleeve is connected with an inner pipe in a sliding inserting mode, the inner pipe is fixedly communicated to the upper portion of the powder suction cover, two groups of electric push rods are symmetrically arranged on the lower portion of the fixing frame, and piston rods of the electric push rods are fixedly connected to the upper portion of the powder.
Preferably, the side part of the frame is fixedly connected with a plurality of groups of crossbearers, and the first storage chamber and the second storage chamber are vertically and fixedly arranged on the frame through the crossbearers.
Preferably, temperature sensor's temperature probe runs through first storage chamber and sets up in first storage chamber, temperature sensor's signal output part electric connection is to the signal reception part of temperature controller, the heating head of heater sets up in the first storage chamber, the signal reception part electric connection of heater is to the signal output part of temperature controller.
Preferably, the first folding pipe and the second folding pipe are both arranged to be high-temperature-resistant canvas windproof folding pipes.
Preferably, the discharge hole is provided with a discharge valve, and the discharge valve is an electric gate valve.
Preferably, the upper portion of frame fixedly connected with motor cabinet, first motor and second motor all install on frame upper portion through the motor cabinet.
Preferably, the opposite side of the frame mounting limiting sleeve is rotatably provided with a grooved wheel, the transverse plate is lapped in a grooved wheel groove of the grooved wheel, and the grooved wheel is a stainless steel U-shaped grooved wheel with a bearing arranged inside.
Preferably, the upper part of the fixing frame is fixedly connected with a tube seat, the upper parts of the hose and the sleeve are fixedly inserted in the tube seat, and the joint of the hose and the sleeve is positioned in the tube seat.
Preferably, the lower part of the powder suction cover is fixedly connected with a rubber ring, and the rubber ring is a soft rubber ring.
Preferably, the lower part of the rack is fixedly connected with casters, the casters are stainless steel universal wheels, and reinforcing seats are arranged at the joints of the fixing frames and the transverse plates.
The invention has the technical effects and advantages that: compared with the prior art, the powder recovery device for the metal D printer provided by the invention has the following advantages:
1. according to the invention, the powder absorbing mechanism absorbs the residual powder on the workbench and transmits the residual powder to the screening device on the rack, and the screening device heats and screens the impurities, so that the residual powder is recycled, which is different from manual recycling of powder, and the device has high working efficiency and good recycling effect;
2. according to the invention, the workbench can be positioned by the longitudinal movement of the electric push rod of the powder suction mechanism and the transverse movement of the transverse movement mechanism, and residual powder is sucked on the workbench by the powder suction cover;
3. the screen frame is provided with the vibration exciter to screen powder in the screening cavity, the first storage chamber is provided with the heater, the temperature controller and the temperature sensor to control the temperature of the powder in the first storage chamber and heat the powder, the screening after heating can obtain better powder recycling effect, the screen frame is fixed through the spring, the storage chamber is communicated through the canvas folding pipe, and the screen frame is screened by the vibration exciter in a vibrating way without generating larger vibration to the frame;
4. but through the lateral shifting mechanism that can carry out longitudinal movement inhale powder mechanism and horizontal migration, cooperation frame lower part's truckle can make and inhale the powder cover and fix a position the upper portion of workstation, is different from the conventional powder recovery unit who fixes below the workstation, can use on the workstation of multiple model size, and the suitability is strong.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the powder sucking mechanism according to the present invention;
FIG. 3 is a schematic structural view of a screen frame according to the present invention;
FIG. 4 is a schematic top view of the gear of the present invention;
fig. 5 is a schematic structural view of the rack ring of the present invention.
In the figure: 1. a frame; 2. a traversing mechanism; 3. a powder suction mechanism; 11. a connecting pipe; 12. a first material storage chamber; 13. a first folded tube; 14. a heater; 15. a screen frame; 16. a screening chamber; 17. a spring; 18. a vibration exciter; 19. a second material storage chamber; 110. a second folded tube; 111. a discharge port; 112. a discharge valve; 113. a waste discharge port; 114. a temperature controller; 115. a temperature sensor; 21. a limiting sleeve; 22. a first motor; 23. a second motor; 24. a grooved wheel; 25. a transverse plate; 26. a motor base; 27. a limiting rod; 28. a gear; 29. a rack ring; 31. a hose; 32. a tube holder; 33. a fixed mount; 34. a powder suction cover; 35. an inner tube; 36. an electric push rod; 37. a reinforcing seat; 38. a sleeve; 39. a rubber ring; 4. a cross frame; 5. and a caster.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a powder recovery device of a metal 3D printer, which comprises a frame 1, a transverse moving mechanism 2 and a powder suction mechanism 3, wherein the transverse moving mechanism 2 is arranged at the upper part of the frame 1, and the powder suction mechanism 3 is arranged at the side part of the transverse moving mechanism 2.
The upper portion fixed mounting of frame 1 has first storage compartment 12, the fixed intercommunication in upper portion of first storage compartment 12 has connecting pipe 11, the fixed intercommunication has hose 31 on connecting pipe 11, be provided with temperature sensor 115 and temperature controller 114 on the first storage compartment 12, be provided with heater 14 on the first storage compartment 12, the fixed intercommunication in lower part of first storage compartment 12 has first folding pipe 13, the lower part fixedly connected with screening chamber 16 of first folding pipe 13, the lower part fixedly connected with screen frame 15 of screening chamber 16, the frame lateral part fixedly connected with spring 17 of screen frame 15, spring 17 fixed connection is in frame 1, the one end fixedly connected with waste material discharge port 113 of screening chamber 16, install vibration exciter 18 on the frame of screen frame 15, the frame lower part fixedly connected with second folding storage pipe 110 of screen frame 15, the lower part fixedly connected with second room 19 of second folding pipe 110, the lower part fixedly connected with discharge gate 111 of second room 19.
Sideslip mechanism 2 is including first motor 22, second motor 23 and rack circle 29, the upper portion fixed mounting of frame 1 has first motor 22 and second motor 23, all through spline fixedly connected with gear 28 on the output shaft of first motor 22 and second motor 23, the meshing of gear 28 is installed on rack circle 29, the one end fixedly connected with diaphragm 25 of rack circle 29, the other end fixedly connected with gag lever post 27 of rack circle 29, upper portion one side fixedly connected with stop collar 21 of frame 1, gag lever post 27 slides and pegs graft in stop collar 21.
The powder suction mechanism 3 comprises a fixed frame 33 and a powder suction cover 34, a transverse plate 25 is fixedly connected to the side portion of the fixed frame 33, a sleeve 38 is fixedly inserted in the lower portion of the fixed frame 33 and penetrates through the lower portion of the fixed frame 33, the upper portion of the sleeve 38 is fixedly communicated with a hose 31, an inner pipe 35 is inserted in the lower portion of the sleeve 38 in a sliding mode, the inner pipe 35 is fixedly communicated with the upper portion of the powder suction cover 34, two groups of electric push rods 36 are symmetrically arranged on the lower portion of the fixed frame 33, and piston rods of the electric push rods 36 are fixedly.
The lateral part of the frame 1 is fixedly connected with a plurality of groups of crossbearers 4, and the first material storage chamber 12 and the second material storage chamber 19 are vertically and fixedly arranged on the frame 1 through the crossbearers 4. The temperature probe of the temperature sensor 115 penetrates through the first storage chamber 12 and is disposed in the first storage chamber 12, the signal output terminal of the temperature sensor 115 is electrically connected to the signal receiving terminal of the temperature controller 114, the heating head of the heater 14 is disposed in the first storage chamber 12, and the signal receiving terminal of the heater 14 is electrically connected to the signal output terminal of the temperature controller 114. The first folding tube 13 and the second folding tube 110 are both made of high-temperature-resistant canvas windproof folding tubes. The discharge port 111 is provided with a discharge valve 112, and the discharge valve 112 is an electric gate valve. The upper portion of frame 1 is fixedly connected with motor cabinet 26, and first motor 22 and second motor 23 all install on frame 1 upper portion through motor cabinet 26. A grooved wheel 24 is rotatably arranged on the opposite side of the frame 1 where the limiting sleeve 21 is arranged, a transverse plate 25 is lapped in a grooved wheel groove of the grooved wheel 24, and the grooved wheel 24 is a stainless steel U-shaped grooved wheel with a bearing arranged inside. The upper part of the fixed mount 33 is fixedly connected with a tube seat 32, the upper parts of the hose 31 and the sleeve 38 are fixedly inserted in the tube seat 32, and the joint of the hose 31 and the sleeve 38 is positioned in the tube seat 32. The lower part of the powder suction cover 34 is fixedly connected with a rubber ring 39, and the rubber ring 39 is a soft rubber ring. The lower part of the frame 1 is fixedly connected with a caster 5, the caster 5 is a stainless steel universal wheel, and a reinforcing seat 37 is arranged at the joint of the fixed frame 33 and the transverse plate 25.
The working principle is as follows: the device sucks the residual powder on the workbench through the powder sucking mechanism 3 and conveys the residual powder to the screening device on the rack 1, and the screening device heats and screens the impurities, so that the residual powder is recycled, which is different from manual recycling of powder, and the device has high working efficiency and good recycling effect; the workbench can be positioned by the longitudinal movement of the electric push rod 36 of the powder suction mechanism 3 and the transverse movement of the transverse movement mechanism 2, and the residual powder is sucked on the workbench by covering the powder suction cover 34; the vibration exciter 18 is arranged on the screen frame 15 to screen the powder in the screening cavity 16, the heater 14, the temperature controller 114 and the temperature sensor 115 are arranged on the first storage chamber 12 to control the temperature of the powder in the first storage chamber 12 and heat the powder, the screening after heating can obtain better powder recycling effect, the screen frame 15 is fixed through the spring 17, the storage chambers are communicated through the canvas folding pipes, and the vibration exciter 18 can not generate larger vibration to the frame 1 when vibrating and screening the screen frame 15; but through the lateral shifting mechanism 2 that can carry out longitudinal movement inhale powder mechanism 3 and horizontal migration, cooperation frame 1 lower part truckle 5 can make and inhale powder cover 34 and fix a position the upper portion of workstation, is different from the conventional powder recovery unit who fixes below the workstation, can use on the workstation of multiple model size, and the suitability is strong.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides a metal 3D printer powder recovery unit, includes frame (1), sideslip mechanism (2) and inhales powder mechanism (3), its characterized in that: the transverse moving mechanism (2) is arranged at the upper part of the rack (1), and the powder sucking mechanism (3) is arranged at the side part of the transverse moving mechanism (2);
the upper portion fixed mounting of frame (1) has first storage compartment (12), the fixed intercommunication in upper portion of first storage compartment (12) has connecting pipe (11), the fixed intercommunication has hose (31) on connecting pipe (11), be provided with temperature sensor (115) and temperature controller (114) on first storage compartment (12), be provided with heater (14) on first storage compartment (12), the fixed intercommunication in lower part of first storage compartment (12) has first folding pipe (13), the lower part fixedly connected with screening chamber (16) of first folding pipe (13), the lower part fixedly connected with screen frame (15) of screening chamber (16), the screen frame lateral part fixedly connected with spring (17) of screen frame (15), spring (17) fixed connection is on frame (1), the one end fixedly connected with waste discharge port (113) of screening chamber (16), a vibration exciter (18) is mounted on the screen frame of the screen frame (15), a second folding pipe (110) is fixedly connected to the lower portion of the screen frame (15), a second storage chamber (19) is fixedly connected to the lower portion of the second folding pipe (110), and a discharge hole (111) is fixedly connected to the lower portion of the second storage chamber (19);
the transverse moving mechanism (2) comprises a first motor (22), a second motor (23) and a rack ring (29), the first motor (22) and the second motor (23) are fixedly installed on the upper portion of the rack (1), output shafts of the first motor (22) and the second motor (23) are fixedly connected with gears (28) through splines, the gears (28) are meshed and installed on the rack ring (29), one end of the rack ring (29) is fixedly connected with a transverse plate (25), the other end of the rack ring (29) is fixedly connected with a limiting rod (27), one side of the upper portion of the rack (1) is fixedly connected with a limiting sleeve (21), and the limiting rod (27) is inserted into the limiting sleeve (21) in a sliding mode;
the powder suction mechanism (3) comprises a fixed frame (33) and a powder suction cover (34), a transverse plate (25) is fixedly connected to the side portion of the fixed frame (33), a sleeve (38) is fixedly inserted into the lower portion of the fixed frame (33) and penetrates through the lower portion of the fixed frame (33), the upper portion of the sleeve (38) is fixedly communicated with a hose (31), an inner pipe (35) is inserted into the lower portion of the sleeve (38) in a sliding mode, the inner pipe (35) is fixedly communicated to the upper portion of the powder suction cover (34), two groups of electric push rods (36) are symmetrically installed on the lower portion of the fixed frame (33), and a piston rod of each electric push rod (36) is fixedly connected to the upper portion of the powder suction.
2. The metal 3D printer powder recovery device of claim 1, wherein: the side part of the rack (1) is fixedly connected with a plurality of groups of crossbearers (4), and the first storage chamber (12) and the second storage chamber (19) are vertically and fixedly arranged on the rack (1) through the crossbearers (4).
3. The metal 3D printer powder recovery device of claim 1, wherein: the temperature probe of the temperature sensor (115) penetrates through the first storage chamber (12) and is arranged in the first storage chamber (12), the signal output end of the temperature sensor (115) is electrically connected to the signal receiving end of the temperature controller (114), the heating head of the heater (14) is arranged in the first storage chamber (12), and the signal receiving end of the heater (14) is electrically connected to the signal output end of the temperature controller (114).
4. The metal 3D printer powder recovery device of claim 1, wherein: the first folding pipe (13) and the second folding pipe (110) are both arranged to be high-temperature-resistant canvas windproof folding pipes.
5. The metal 3D printer powder recovery device of claim 1, wherein: discharge gate (111) are last to be provided with bleeder valve (112), bleeder valve (112) set up to electronic push-pull valve.
6. The metal 3D printer powder recovery device of claim 1, wherein: the upper portion fixedly connected with motor cabinet (26) of frame (1), first motor (22) and second motor (23) are all installed on frame (1) upper portion through motor cabinet (26).
7. The metal 3D printer powder recovery device of claim 1, wherein: a grooved pulley (24) is rotatably arranged on the opposite side of the frame (1) where the limiting sleeve (21) is arranged, the transverse plate (25) is lapped in a pulley groove of the grooved pulley (24), and the grooved pulley (24) is a stainless steel U-shaped grooved pulley with a bearing arranged inside.
8. The metal 3D printer powder recovery device of claim 1, wherein: the upper portion of mount (33) is fixedly connected with tube socket (32), hose (31) and the upper portion of sleeve pipe (38) are fixed pegged graft in tube socket (32), the junction of hose (31) and sleeve pipe (38) is located in tube socket (32).
9. The metal 3D printer powder recovery device of claim 1, wherein: the lower part of the powder suction cover (34) is fixedly connected with a rubber ring (39), and the rubber ring (39) is a soft rubber ring.
10. The metal 3D printer powder recovery device of claim 1, wherein: the lower part of frame (1) fixedly connected with truckle (5), truckle (5) set up to the stainless steel universal wheel, the junction of mount (33) and diaphragm (25) is provided with reinforcement seat (37).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201911344495.9A CN110976467B (en) | 2019-12-24 | 2019-12-24 | Metal 3D printer powder recovery unit |
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|---|---|---|---|
| CN201911344495.9A CN110976467B (en) | 2019-12-24 | 2019-12-24 | Metal 3D printer powder recovery unit |
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| CN110976467A true CN110976467A (en) | 2020-04-10 |
| CN110976467B CN110976467B (en) | 2021-11-19 |
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| CN112620088A (en) * | 2020-12-30 | 2021-04-09 | 浙江拓博环保科技有限公司 | Powder conveying and screening circulating method and system |
| CN113332144A (en) * | 2021-06-01 | 2021-09-03 | 山东饶益生物科技有限公司 | Effervescent tablet tabletting equipment |
| CN113369499A (en) * | 2021-05-29 | 2021-09-10 | 深圳意动航空科技有限公司 | Be used for metal 3D to print component surface blasting gumming auxiliary device |
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| CN113332144A (en) * | 2021-06-01 | 2021-09-03 | 山东饶益生物科技有限公司 | Effervescent tablet tabletting equipment |
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| CN110976467B (en) | 2021-11-19 |
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