CN111112612A - Quantitative powder supply device for 3D printing of metal - Google Patents
Quantitative powder supply device for 3D printing of metal Download PDFInfo
- Publication number
- CN111112612A CN111112612A CN201911335645.XA CN201911335645A CN111112612A CN 111112612 A CN111112612 A CN 111112612A CN 201911335645 A CN201911335645 A CN 201911335645A CN 111112612 A CN111112612 A CN 111112612A
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- Prior art keywords
- groove
- controllable
- shaft
- coaxially
- fixed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/50—Means for feeding of material, e.g. heads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The invention relates to the technical field of 3D printing equipment, in particular to a quantitative powder supply device for metal 3D printing, which comprises a base body, a stepping motor, an encoder, a controllable groove type batcher, a connecting shaft and a controller, wherein the top end and the bottom end of the base body are respectively provided with a feeding hole and a discharging hole, the controllable groove type batcher is coaxially and rotatably arranged in the base body, the connecting shaft is coaxially arranged at one end of the controllable groove type batcher, the driving end of the controllable groove type batcher is coaxially and fixedly connected with the connecting shaft, the encoder is arranged above the stepping motor, and is used for calculating the rotating angle of the stepping motor in real time in a working state.
Description
Technical Field
The invention relates to the technical field of 3D printing equipment, in particular to a quantitative powder supply device for 3D printing of metal.
Background
With the development of scientific technology, the metal 3D printing technology is becoming more mature, and the printing methods thereof are becoming more diversified, wherein the application of the selective laser melting method is the most common. The principle of the selective laser melting technology is as follows: and (3) piling up the metal powder in the laser melting selected area layer by layer to form a target sample. Therefore, in the metal 3D printing laser melting selection area technology, the powder supply device is very critical, and the effects of timely supplying powder and quantitatively supplying powder are realized.
The quantitative powder supply switch which can stably operate, is suitable for large-particle-size-range particle powder and is low in equipment manufacturing difficulty is urgently needed in the market, and is applied to a metal 3D printing technology.
Disclosure of Invention
The invention aims to solve the technical problem of providing a quantitative powder supply device for metal 3D printing, and the technical scheme solves the quantitative problem of metal 3D printing powder supply.
In order to solve the technical problems, the invention provides the following technical scheme: including pedestal, step motor, encoder, controllable slot type batcher, even axle and controller, pedestal top and bottom are provided with feed inlet and discharge gate respectively, and the coaxial rotation of controllable slot type batcher sets up in the pedestal, and even the coaxial one end that sets up at controllable slot type batcher of axle, controllable slot type batcher drive end and the coaxial fixed connection of even axle, the encoder setting is in step motor top, and during operating condition, the encoder is used for real-time calculation step motor's turned angle, step motor and encoder all are connected with the controller electricity.
Preferably, the controllable groove type batcher comprises a shaft shell, arc-shaped elastic pieces, a fixed cylinder, a rotating shaft, a connecting rod, a fixed ring and a ratchet device, wherein first strip-shaped openings are uniformly distributed along the axial direction of the shaft shell, clamping grooves are formed in two sides inside the first strip-shaped openings, clamping blocks are fixedly arranged on the arc-shaped elastic pieces along two axial sides, inner arc concave surfaces of the arc-shaped elastic pieces are outwards clamped in the clamping grooves through the clamping blocks, the fixed cylinder is coaxially arranged inside the shaft shell, the rotating shaft is rotatably arranged inside the shaft shell, the fixed ring is coaxially arranged at one end of the shaft shell, ratchets in the ratchet device are fixedly arranged in the fixed ring, one end of the rotating shaft penetrates through the shaft shell and is fixedly connected with a ratchet device rotating disc, a butt-connection frame is axially arranged on a convex surface of the arc-shaped elastic pieces, butt-connection shafts are uniformly distributed along the axial direction of the butt-connection frame, second strip-shaped openings are uniformly, the middle of the connecting rod is provided with a third strip-shaped opening, two ends of the connecting rod are respectively connected with the second fixing shaft in a rotating mode, and the first fixing shaft is arranged in the third strip-shaped opening in a sliding mode.
Preferably, controllable slot type batcher is still including rotating the lid, the bolt seat, the bolt axle, spring and stopper, it sets up on the retainer plate to rotate to cover coaxial rotation, rotation axis one end covers inside coaxial fixed connection with rotating, the bolt seat is along running through the rotation lid, the inside coaxial first logical groove and the second logical groove of having set gradually of bolt seat, the coaxial setting of bolt axle is inside the bolt seat, the coaxial position circle that ends that is provided with of bolt axle one end, the spring housing is established at the bolt epaxially, the spring both ends butt respectively on the ladder face that the groove is led to position circle one end and first logical groove and second, the stopper sets up on ratchet, bolt axle one end butt is on the stopper.
Preferably, scales are uniformly distributed at one end of the shaft shell along the axis.
Preferably, the outer circumference of the bottom end of the fixed ring is coaxially provided with the fixed ring, the bottom end inside the rotating cover is provided with a limiting ring, and the rotating cover is clamped in the circular groove through the limiting ring.
Preferably, the stepping motor further comprises a coupler, and the working end of the stepping motor is coaxially and fixedly connected with the coupler through the coupler.
Compared with the prior art, the invention has the beneficial effects that:
the controllable groove type batcher is coaxially and rotatably arranged in the base body, the groove part at the top end of the controllable groove type batcher is opposite to the feeding hole, the groove part at the bottom end of the controllable groove type batcher is opposite to the discharging hole, when metal powder falls into the powder containing groove at the top end of the controllable groove type batcher from the feeding hole, the controller sends an instruction to the stepping motor, so that the stepping motor works once, the controllable groove type batcher is driven by the connecting shaft to rotate for a certain angle, so that the powder containing groove of the controllable groove type batcher rotates to the feeding hole, the capacity of the powder containing groove of the controllable groove type batcher is controllable, the stepping motor rotates once, the capacity of the powder containing groove is determined according to the capacity of the powder containing groove, a worker can calculate the required number of the powder containing grooves by controlling the required amount of the metal powder and the capacity of the powder containing groove, so as to obtain the number of, therefore, the quantity of the powder containing grooves for carrying the metal powder is converted into the controller, and the work of the stepping motor is controlled to realize quantitative powder supply.
The device leads to controllable slot type batcher ration conveying powder, easily operation.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a partial enlarged view of FIG. 3 at B;
FIG. 5 is a sectional view taken along line C-C of FIG. 2;
FIG. 6 is an enlarged view of a portion of FIG. 5 at D;
FIG. 7 is a perspective view of a controlled slot quantifier of the present invention;
FIG. 8 is a first exploded perspective view of the controllable slot quantifier of the present invention;
fig. 9 is a second exploded perspective view of the controllable slot-type quantifier of the present invention.
The reference numbers in the figures are:
1. a base body; 1a, a feed inlet; 1b, a discharge hole;
2. a stepping motor;
3. an encoder;
4. a controllable slot-type batcher; 4a, a shaft shell; 4a1, first bar-shaped orifice; 4a2, a clamping groove; 4a3, scale; 4b, arc-shaped elastic sheets; 4b1, a capture block; 4b2, abutment shelf; 4b3, abutment shaft; 4c, a fixed cylinder; 4c1, a second strip-shaped opening; 4c2, a first fixed shaft; 4d, a rotating shaft; 4d1, a second fixed shaft; 4e, a connecting rod; 4e1, third strip port; 4f, a fixed ring; 4f1, round slot; 4g, a ratchet device; 4h, rotating the cover; 4h1 and a spacing ring; 4i, a bolt seat; 4i1, a first through slot; 4i2, a second through slot; 4j, a latch shaft; 4j1, stop ring; 4k, a spring; 4l and a limiting block;
5. a connecting shaft;
6. a coupling.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1 to 9 show a ration supplies powder device for metal 3D prints, including pedestal 1, step motor 2, encoder 3, controllable slot type batcher 4, even axle 5 and controller, 1 top of pedestal and bottom are provided with feed inlet 1a and discharge gate 1b respectively, controllable slot type batcher 4 coaxial rotation sets up in pedestal 1, even axle 5 coaxial setting is in the one end of controllable slot type batcher 4, controllable slot type batcher 4 drive end and even axle 5 coaxial fixed connection, encoder 3 sets up in step motor 2 top, during operating condition, encoder 3 is used for calculating step motor 2's turned angle in real time, step motor 2 and encoder 3 all are connected with the controller electricity.
The controllable groove type batcher 4 is coaxially and rotatably arranged in the base body 1, the groove part at the top end of the controllable groove type batcher 4 is opposite to the feeding port 1a, the groove part at the bottom end of the controllable groove type batcher 4 is opposite to the discharging port 1b, when the metal powder falls into the powder containing groove at the top end of the controllable groove type batcher 4 from the feeding port 1a, the controller sends an instruction to the stepping motor 2, so that the stepping motor 2 works once, the controllable groove type batcher 4 is driven to rotate for a certain angle through the connecting shaft 5, so that the powder containing groove 4 is rotated for the same angle, the powder containing groove of the controllable groove type batcher 4 is rotated to the feeding port 1a, the powder containing groove part of the controllable groove type batcher 4 can control the capacity, the stepping motor 2 rotates once, the powder containing capacity depends on the powder containing groove capacity, and the worker can calculate the required powder containing groove number through the required metal powder containing groove capacity and the required powder containing groove capacity, the encoder 3 is used for calculating the rotation angle of the stepping motor 2, so that the number of the powder containing grooves for carrying the metal powder is converted into the controller, and the stepping motor 2 is controlled to work to realize quantitative powder supply.
The controllable groove type batcher 4 is characterized in that the controllable groove type batcher 4 comprises a shaft shell 4a, an arc-shaped elastic sheet 4b, a fixed cylinder 4c, a rotating shaft 4d, a connecting rod 4e, a fixed ring 4f and a ratchet device 4g, the shaft shell 4a is uniformly distributed with a first strip-shaped opening 4a1 along the axial direction, two sides inside the first strip-shaped opening 4a1 are provided with clamping grooves 4a2, the arc-shaped elastic sheet 4b is fixedly provided with clamping blocks 4b1 along the axial direction, the inner arc concave surface of the arc-shaped elastic sheet 4b is outwards clamped in the clamping grooves 4a2 through the clamping blocks 4b1, the fixed cylinder 4c is coaxially arranged inside the shaft shell 4a, the rotating shaft 4d is rotatably arranged inside the shaft shell 4a, the fixed ring 4f is coaxially arranged at one end of the shaft shell 4a, the ratchet device 4g is fixedly arranged in the fixed ring 4f, one end of the rotating shaft 4d penetrates through the shaft shell 4a and is fixedly connected with the ratchet device 4g, the rotating disc, the abutting frame 4b2 is evenly provided with abutting shafts 4b3 along the axial direction, the fixed cylinder 4c is evenly provided with second strip-shaped openings 4c1 along the axial direction, the second strip-shaped openings 4c1 are provided with first fixed shafts 4c2 along the axial direction, the circumferential surface of the rotating shaft 4d is evenly provided with second fixed shafts 4d1 along the axial direction, the middle of the connecting rod 4e is provided with third strip-shaped openings 4e1, two ends of the connecting rod 4e are respectively connected with the 4d3 and the second fixed shafts 4d1 in a rotating mode, and the first fixed shafts 4c2 are arranged in the third strip-shaped openings 4e1 in a sliding mode.
The first strip-shaped opening 4a1, the abutting shaft 4b3 and the second strip-shaped opening 4c1 realize the connecting rod rotation through the connecting rod 4e, the fixed cylinder 4c is coaxially arranged inside the shaft shell 4a, thereby fixing the rotation position of the connecting rod 4e, when the powder containing groove capacity of the controllable groove type batcher 4 needs to be adjusted, the rotating shaft 4d is rotated, because the two ends of the connecting rod 4e are respectively and rotatably connected with the 4d3 and the second fixed shaft 4d1, and the first fixed shaft 4c2 is slidably arranged in the third strip-shaped opening 4e1, thereby the convex surface of the arc-shaped elastic sheet 4b is abutted against the abutting frame 4b2 by the connecting rod 4e and is outwardly abutted, thereby the clamping blocks 4b1 at the two ends of the arc-shaped elastic sheet 4b are abutted into the clamping groove 4a2 under the action of elasticity, thereby the radian of the arc-shaped elastic sheet 4b is widened, thereby the capacity of the ratchet wheel in the ratchet wheel device 4g is reduced, and the ratchet wheel in the ratchet wheel device 4g is fixedly arranged on the shaft shell 4a fixed ring 4f, so that the rotation shaft 4d is not restored by the elastic action of the arc-shaped resilient piece 4b when the rotation shaft 4d stops rotating.
The controllable groove type batcher 4 further comprises a rotating cover 4h, a bolt seat 4i, a bolt shaft 4j, a spring 4k and a limiting block 4l, the rotating cover 4h is coaxially and rotatably arranged on a fixing ring 4f, one end of a rotating shaft 4d is coaxially and fixedly connected with the inside of the rotating cover 4h, the bolt seat 4i penetrates through the rotating cover 4h, a first through groove 4i1 and a second through groove 4i2 are coaxially and sequentially arranged inside the bolt seat 4i, the bolt shaft 4j is coaxially arranged inside the bolt seat 4i, a stopping ring 4j1 is coaxially arranged at one end of the bolt shaft 4j, the spring 4k is sleeved on the bolt shaft 4j, two ends of the spring 4k are respectively abutted to one end of the stopping ring 4j1 and a stepped surface of the first through groove 4i1 and the second through groove 4i2, the limiting block 4l is arranged on the ratchet wheel device 4g, and one end of the ratchet wheel shaft 4j is abutted to the limiting block 4 l.
When the ratchet wheel of the ratchet device 4g rotates, the ratchets of the ratchet device are limited on the inner ratchet wheel, when the ratchets need to be withdrawn from the ratchet wheel, the latch shaft 4j is pressed, the limiting block 4l is arranged on the ratchets of the ratchet device 4g, so that the latch shaft 4j pushes the ratchets of the ratchet device 4g out of the inner ratchet wheel under the elastic force of the spring 4k, the ratchet device 4g can rotate in two directions in the ratchets of the ratchet device 4g, so that the rotation is facilitated, the rotating cover 4h can drive the rotating shaft 4d to rotate, so that the adjustment is facilitated, when the latch shaft 4j stops being pressed, the ratchet device 4g recovers to a state of only one-way rotation, so that the rotating shaft 4d is prevented from rotating, two ends of the spring 4k are respectively abutted against one end of the stop ring 4j1 and the step surfaces of the first through groove 4i1 and the second through groove 4i2, the stop ring 4j 36, the latch base 4i is used for mounting the latch shaft 4 j.
One end of the shaft shell 4a0 is uniformly distributed with scales 4a3 along the axis.
The scale 4a3 can be used for marking the capacity of a single powder containing groove of the controllable groove type batcher 4, thereby being convenient for workers to determine the capacity of the powder containing groove of the controllable groove type batcher 4 after rotating for a certain angle.
The outer circumference of the bottom end of the fixed ring 4f is coaxially provided with a fixed ring 4f, the bottom end inside the rotating cover 4h is provided with a limiting ring 4h1, and the rotating cover 4h is clamped in the circular groove 4f1 through a limiting ring 4h 1.
Rotate lid 4h and pass through spacing collar 4h1 joint in circular slot 4f1 to make rotate lid 4h can be relative the coaxial rotation of retainer plate 4f, thereby be convenient for the staff adjusts the flourishing powder groove capacity of controllable slot type batcher 4.
The stepping motor is characterized by further comprising a coupler 6, and the working end of the stepping motor 2 is coaxially and fixedly connected with the coupling 5 through the coupler 6.
The coupling 6 can be used for compensating the relative displacement of the working shaft of the stepping motor 2 and the coupling 5 and buffering and damping vibration, thereby preventing the working shaft of the stepping motor 2 from overloading.
The working principle of the invention is as follows:
the controllable groove type batcher 4 is coaxially and rotatably arranged in the base body 1, the groove part at the top end of the controllable groove type batcher 4 is opposite to the feeding hole 1a, the groove part at the bottom end of the controllable groove type batcher 4 is opposite to the discharging hole 1b, when metal powder falls into the powder containing groove at the top end of the controllable groove type batcher 4 from the feeding hole 1a, the controller sends an instruction to the stepping motor 2, so that the stepping motor 2 works once, the controllable groove type batcher 4 is driven to rotate for a certain angle through the connecting shaft 5, so that the powder containing groove of the controllable groove type batcher 4 rotates to the feeding hole 1a, the capacity of the powder containing groove part of the controllable groove type batcher 4 is controllable, the stepping motor 2 rotates once, the carrying capacity of the contained powder is determined according to the capacity of the powder containing groove, a worker can calculate the required quantity of the powder containing grooves through the required quantity of the metal powder and the capacity of the powder containing groove, and can, the encoder 3 is used for calculating the rotation angle of the stepping motor 2, so that the number of the powder containing grooves for carrying the metal powder is converted into the controller, and the stepping motor 2 is controlled to work to realize quantitative powder supply.
Claims (6)
1. The utility model provides a ration supplies powder device for metal 3D prints, a serial communication port, including pedestal (1), step motor (2), encoder (3), controllable slot type batcher (4), even axle (5) and controller, pedestal (1) top and bottom are provided with feed inlet (1a) and discharge gate (1b) respectively, controllable slot type batcher (4) coaxial rotation sets up in pedestal (1), even axle (5) coaxial setting is in the one end of controllable slot type batcher (4), controllable slot type batcher (4) drive end and even axle (5) coaxial fixed connection, encoder (3) set up in step motor (2) top, during operating condition, encoder (3) are used for calculating the turned angle of step motor (2) in real time, step motor (2) and encoder (3) all are connected with the controller electricity.
2. The quantitative powder supply device for 3D metal printing according to claim 1, wherein the controllable groove type quantifier (4) comprises a shaft housing (4a), arc-shaped elastic pieces (4b), a fixed cylinder (4c), a rotating shaft (4D), a connecting rod (4e), a fixed ring (4f) and a ratchet device (4g), the shaft housing (4a) is uniformly provided with first strip-shaped openings (4a1) along the axial direction, clamping grooves (4a2) are arranged on two sides inside the first strip-shaped openings (4a1), clamping blocks (4b1) are fixedly arranged on two sides along the axial direction of the arc-shaped elastic pieces (4b), the concave surface of the inner arc of the arc-shaped elastic pieces (4b) faces outwards and is clamped in the clamping grooves (4a2) through the clamping blocks (4b1), the fixed cylinder (4c) is coaxially arranged inside the shaft housing (4a), the rotating shaft (4D) is rotatably arranged inside the shaft housing (4a), and the fixed ring (4f) is coaxially arranged at one end of the shaft housing (4a), ratchet is fixed to be set up in retainer plate (4f) in ratchet (4g), rotation axis (4d) one end is run through axle housing (4a) and ratchet (4g) carousel fixed connection, arc shell fragment (4b) convex surface is provided with butt frame (4b2) along the axial, butt frame (4b2) has the equipartition butt axle (4b3) along the axial, fixed cylinder (4c) have the equipartition second bar mouth (4c1) along the axial, second bar mouth (4c1) are provided with first fixed axle (4c2) along the axial, be provided with second fixed axle (4d1) along the axial equipartition on rotation axis (4d) periphery, connecting rod (4e) centre is provided with third bar mouth (4e1), connecting rod (4e) both ends respectively with 4d3 and second fixed axle (4d1) rotation connection, first fixed axle (4c2) slide and set up in third bar mouth (4e 1).
3. The quantitative powder supply device for metal 3D printing according to claim 1, wherein the controllable groove type quantifier (4) further comprises a rotating cover (4h), a pin seat (4i), a pin shaft (4j), a spring (4k) and a limiting block (4l), the rotating cover (4h) is coaxially and rotatably arranged on the fixed ring (4f), one end of a rotating shaft (4D) is coaxially and fixedly connected with the inside of the rotating cover (4h), the pin seat (4i) penetrates through the rotating cover (4h), a first through groove (4i1) and a second through groove (4i2) are coaxially and sequentially arranged inside the pin seat (4i), the pin shaft (4j) is coaxially arranged inside the pin seat (4i), a stop ring (4j1) is coaxially arranged at one end of the pin shaft (4j), the spring (4k) is sleeved on the pin shaft (4j), and two ends of the spring (4k) are respectively abutted against one end of the stop ring (4j1), the first through groove (4i) and the second through groove (1) and the second through groove (4i) and the second through groove (1 On the step face of groove (4i2), stopper (4l) set up on ratchet gear (4g) ratchet, and bolt axle (4j) one end butt is on stopper (4 l).
4. A dosing device for metal 3D printing according to claim 1, characterized in that one end of the shaft housing (4a0) is evenly provided with graduations (4a3) along the axis.
5. The quantitative powder feeding device for 3D metal printing according to claim 2 or 3, wherein the fixing ring (4f) is coaxially arranged on the outer circumferential surface of the bottom end of the fixing ring (4f), the limiting ring (4h1) is arranged at the bottom end inside the rotating cover (4h), and the rotating cover (4h) is clamped in the circular groove (4f1) through the limiting ring (4h 1).
6. The quantitative powder supply device for 3D metal printing according to claim 1, further comprising a coupler (6), wherein the working end of the stepping motor (2) is coaxially and fixedly connected with the coupler (5) through the coupler (6).
Priority Applications (1)
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CN201911335645.XA CN111112612A (en) | 2019-12-23 | 2019-12-23 | Quantitative powder supply device for 3D printing of metal |
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CN201911335645.XA CN111112612A (en) | 2019-12-23 | 2019-12-23 | Quantitative powder supply device for 3D printing of metal |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107855526A (en) * | 2017-12-20 | 2018-03-30 | 韶关学院 | A kind of powder quantitative feeder for selective laser fusing 3D printing |
CN112644020A (en) * | 2020-12-15 | 2021-04-13 | 杨雯 | Pharmaceutical preparation 3D printer |
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US20140363585A1 (en) * | 2011-12-20 | 2014-12-11 | Compagnie Generale Des Etablissements Michelin | Machine and process for powder-based additive manufacturing |
CN106141187A (en) * | 2016-09-21 | 2016-11-23 | 韶关学院 | The fusing of a kind of selective laser increases material manufacture with quantitatively to powder device and using method |
CN107855526A (en) * | 2017-12-20 | 2018-03-30 | 韶关学院 | A kind of powder quantitative feeder for selective laser fusing 3D printing |
CN208374211U (en) * | 2018-05-22 | 2019-01-15 | 韶关学院 | A kind of quantitatively supplying powder switch for metal 3D printing |
CN109482878A (en) * | 2018-12-26 | 2019-03-19 | 安徽恒利增材制造科技有限公司 | A kind of power spreading device quantifying powder falling |
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2019
- 2019-12-23 CN CN201911335645.XA patent/CN111112612A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US20140363585A1 (en) * | 2011-12-20 | 2014-12-11 | Compagnie Generale Des Etablissements Michelin | Machine and process for powder-based additive manufacturing |
CN106141187A (en) * | 2016-09-21 | 2016-11-23 | 韶关学院 | The fusing of a kind of selective laser increases material manufacture with quantitatively to powder device and using method |
CN107855526A (en) * | 2017-12-20 | 2018-03-30 | 韶关学院 | A kind of powder quantitative feeder for selective laser fusing 3D printing |
CN208374211U (en) * | 2018-05-22 | 2019-01-15 | 韶关学院 | A kind of quantitatively supplying powder switch for metal 3D printing |
CN109482878A (en) * | 2018-12-26 | 2019-03-19 | 安徽恒利增材制造科技有限公司 | A kind of power spreading device quantifying powder falling |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107855526A (en) * | 2017-12-20 | 2018-03-30 | 韶关学院 | A kind of powder quantitative feeder for selective laser fusing 3D printing |
CN112644020A (en) * | 2020-12-15 | 2021-04-13 | 杨雯 | Pharmaceutical preparation 3D printer |
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Inventor after: Gao Hanjun Inventor after: Song Bin Inventor after: Miao Xingang Inventor after: Wang Yu Inventor before: Gao Hanjun Inventor before: Song Bin Inventor before: Miao Xingang Inventor before: Wang Yu |
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Application publication date: 20200508 |