CN107097417A - A kind of feed powder transfer device of extra quality cylinder 3d printers - Google Patents

A kind of feed powder transfer device of extra quality cylinder 3d printers Download PDF

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Publication number
CN107097417A
CN107097417A CN201710369760.3A CN201710369760A CN107097417A CN 107097417 A CN107097417 A CN 107097417A CN 201710369760 A CN201710369760 A CN 201710369760A CN 107097417 A CN107097417 A CN 107097417A
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CN
China
Prior art keywords
guide rail
belt
sliding block
material cylinder
cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710369760.3A
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Chinese (zh)
Inventor
夏建强
李�雨
齐永明
徐宏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Hengli Additive Manufacturing Technology Co Ltd
Original Assignee
Anhui Hengli Additive Manufacturing Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anhui Hengli Additive Manufacturing Technology Co Ltd filed Critical Anhui Hengli Additive Manufacturing Technology Co Ltd
Priority to CN201710369760.3A priority Critical patent/CN107097417A/en
Publication of CN107097417A publication Critical patent/CN107097417A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B33ADDITIVE MANUFACTURING TECHNOLOGY
    • B33YADDITIVE 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
    • B33Y30/00Apparatus for additive manufacturing; Details thereof or accessories therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B33ADDITIVE MANUFACTURING TECHNOLOGY
    • B33YADDITIVE 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
    • B33Y40/00Auxiliary operations or equipment, e.g. for material handling

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)

Abstract

The present invention relates to 3D printer field, more particularly to a kind of feed powder transfer device of extra quality cylinder 3d printers, include the first material cylinder and the second material cylinder, feed powder transfer device includes guider and the scraper on guider, the scraper can be moved back and forth by a drive device on guider, guider includes being located at the first material cylinder, first guide rail of the second material cylinder with side, and positioned at the second guide rail of another same side, first guide rail is provided with the first sliding block being slidably matched with it, second guide rail is provided with the second sliding block being slidably matched with it.Fixed mount is set to be moved on guide rail by drive device during present invention work, the roller of fixed mount bottom, which is rotated, sweeps effect, the powder of the first Liao Gang the superiors is swept to the second material cylinder, and laying is uniform, and workpiece is molded most in the second material cylinder;Compared to prior art, structure of the invention is more succinct, and manufacturing cost is lower, and can effectively ensure that the uniformity of powder laying.

Description

A kind of feed powder transfer device of extra quality cylinder 3d printers
Technical field
The present invention relates to 3D printer field, more particularly to a kind of feed powder transfer device of extra quality cylinder 3d printers.
Background technology
Common laser 3D printing machine is raw material using plastics or metal dust, is consolidated with the Form generation for accumulating thin layer State entity.I.e. software completes a series of digital slices by CAD technology (CAD), and the information of these sections is passed It is sent on laser 3D printing machine printer, by the two-dimensional movement of still laser generating mechanism, by sinter molding on powder layer, and Continuous slim aspect is stacked up, until a solid body shaping.
Existing powder laying stores powder typically by a hopper, and opening for hopper is controlled by a headstock gear Close, hopper is arranged on a horizontally disposed guide rail, and hopper is moved back and forth on guide rail, one layer of laser printing, hopper laying one Layer;This laying structure is not only complicated, and powder is spilt directly from the discharging opening of feed hopper bottom, and the speed and hopper spilt is moved Whether the thickness that the speed during dynamic can all have influence on one layer of powder is uniform, so as to influence printing precision.
The content of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a kind of feed powder transfer of extra quality cylinder 3d printers Structure.
To solve the above problems, the present invention provides following technical scheme:
A kind of feed powder transfer device of extra quality cylinder 3d printers, extra quality cylinder 3d printers include the first material cylinder and the second material Cylinder, feed powder transfer device includes guider and the scraper on guider, and the scraper drives by one Dynamic device can be moved back and forth on guider, and guider includes leading with the first of side positioned at the first material cylinder, the second material cylinder Rail, and positioned at the second guide rail of another same side, the first guide rail is provided with the first sliding block being slidably matched with it, the second guide rail Provided with the second sliding block being slidably matched with it.
Further, the scraper includes fixed mount, and the two ends of the fixed mount are separately mounted to the first sliding block and the Roller is installed, the lower section of the fixed mount is also installed positioned at the side of roller below the outside of two sliding blocks, the fixed mount There is roller motor, it is connected the roller motor with roller by connecting shaft;The rotation direction of roller is opposite with moving direction.
Further, the scraper includes fixed mount, and the two ends of the fixed mount are separately mounted to the first sliding block and the Scraper plate is installed below the outside of two sliding blocks, the fixed mount.
Further, the drive device is included positioned at the first belt of the first guide rail interior and in the second guide rail Second belt in portion, the first guide rail and the second guide rail are that the two ends in hollow-core construction, the first guide rail cavity are provided with for installing Two ends in the belt pulley of first belt, the second guide rail cavity are provided with the belt pulley for being used for installing the second belt, the first guide rail and With couple axle is provided between two belt pulleys of side in second guide rail, the drive device also includes motor, the drive Dynamic motor is connected by the stage casing of the 3rd belt and couple axle.
Further, first sliding block is extended to the first guide rail interior the first connector, first connector It is fixedly connected with the first belt, second sliding block is extended to the second guide rail interior the second connector, second connection Part is fixedly connected with the second belt.
Beneficial effect:A kind of feed powder transfer device of extra quality cylinder 3d printers of the present invention, passes through drive device during work Fixed mount is set to be moved on guide rail, the roller of fixed mount bottom, which is rotated, sweeps effect, is swept the powder of the first Liao Gang the superiors Move to the second material cylinder, and lay uniformly, workpiece is molded most in the second material cylinder;Compared to prior art, structure of the invention More succinct, manufacturing cost is lower, and can effectively ensure that the uniformity of powder laying.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram one of extra quality cylinder 3d printers;
Fig. 2 is the dimensional structure diagram two of extra quality cylinder 3d printers;
Fig. 3 is the dimensional structure diagram after outer cage is removed;
Fig. 4 is the dimensional structure diagram after outer cage and inner casing dismounting;
Fig. 5 is the overlooking the structure diagram after laser body dismounting in Fig. 4 of the present invention;
Fig. 6 is drive device partial structural diagram one;
Fig. 7 is drive device partial structural diagram two;
Fig. 8 is scraper partial structural diagram;
Fig. 9 is the first material cylinder interior structural representation;
Figure 10 is the internal structure schematic diagram of the first material cylinder and the second material cylinder;
Figure 11 is the decomposition assembling structure schematic diagram of the first material cylinder;
Description of reference numerals:Outer cage 1, inner casing 2, the first material cylinder 3, the first lifting platform 3a, the first guide rod 3b, first liter Motor 3c, the second material cylinder 4, the second lifting platform 4a, generating laser 5a, galvanometer 5b, fan 5c, stay-warm case 6, the first guide rail drop 7a, the first sliding block 7a1, the second guide rail 7b, the second sliding block 7b1, fixed mount 7c, roller 7d, roller motor 7e, the first belt 7f, First connector 7f1, the second belt 7g, the second connector 7g1, motor 7h, couple axle 7j, the first recovery tank 8, second time Receive cylinder 9.
Embodiment
With reference to Figure of description and embodiment, the specific embodiment of the present invention is described in further detail:
A kind of extra quality cylinder 3d printers according to Fig. 1 to Figure 11, including outer cage 1 and be arranged in outer cage 1 Laser body, inner casing 2, the first material cylinder 3 and the second material cylinder 4 in portion, the inner casing 2 are fixedly connected in outer cage 1, the One material cylinder 3 and the second material cylinder 4 are side by side installed in the interior of the lower section of inner casing 2 and the first material cylinder 3 and the second material cylinder 4 and inner casing 2 Portion is connected, and laser body is fixedly mounted on the top of inner casing 2, and laser body be located at the second material cylinder 4 just on Side, the inside of the first material cylinder 3 is provided with the first lifting platform 3a, and the inside of the second material cylinder 4 is provided with the second lifting platform 4a, the inner casing 2 are internally located at the first material cylinder 3 and the top of the second material cylinder 4 provided with powder transfer device.
Operationally the first lifting platform 3a is located at the full powder of storage, second in the bottom of the first material cylinder 3, the first material cylinder 3 to the present invention Lifting platform 4a is located at the top of the second material cylinder 4, and the first lifting platform 3a often raises the height of a unit, the second lifting platform 4a reductions by one The height of individual unit, the one layer of powder that will be above the upper surface of the first material cylinder 3 by powder transfer device shifts and is laid on second On lifting platform 4a, the powder of the most second lifting platform 4a the superiors is sintered by laser body, X-Y scheme is printed as Picture, so repeatedly, continuous slim aspect are stacked up the last shaping workpiece on the second lifting platform 4a.Compared to existing skill Art, laser body itself of the invention can improve printing precision without movement.
It is preferred that, the laser body includes the generating laser 5a and galvanometer 5b just to generating laser 5a, Galvanometer 5b is used for the laser projection that sends generating laser 5a to the printing plane of the second lifting platform 4a the superiors.Specifically Can control galvanometer 5b reflection angle laser is scanned respectively along transverse axis, the longitudinal axis by system, can also make to pass through The generating laser 5a spot lights sent are directly converted into area source and realize two dimension printing by galvanometer 5b.
It is preferred that, the side that the top of inner casing 2 is located at galvanometer 5b is provided with fan 5c, and fan 5c air outlet is just right Galvanometer 5b, fan 5c are used to cool to galvanometer 5b.
It is preferred that, stay-warm case 6 is installed between the galvanometer 5b and the second material cylinder 4, the inside of stay-warm case 6 is provided with electrical heating Device, electric heating cooler and the temperature sensor with the two electric connection.The setting of stay-warm case 6 is to be controlled to laser temperature Make, and above-mentioned inner casing 2 and double-deck setting of shell body are controlled also for laser temperature.
It is preferred that, the powder transfer device includes guider and the scraper on guider, should Scraper can be moved back and forth by a drive device on guider.
It is preferred that, guider includes being located at the first guide rail 7a of the first material cylinder 3, the second material cylinder 4 with side, and is located at Second guide rail 7b, the first guide rail 7a of another same side is provided with the first sliding block 7a1, the second guide rail 7b being slidably matched with it Provided with the second sliding block 7b1 being slidably matched with it.
It is preferred that, the scraper includes fixed mount 7c, and fixed mount 7c two ends are separately mounted to the first sliding block 7a1 With the second sliding block 7b1 outside, the lower section that roller 7d, the fixed mount 7c are provided with below the fixed mount 7c is located at roller 7d side is also equipped with roller motor 7e, and by connecting shaft, it is connected the roller motor 7e with roller 7d;Roller 7d's turns Dynamic direction is opposite with moving direction.Roller 7d rotation directions are opposite with moving direction in the present invention is provided that in order in powder The process formation shifted from the first material cylinder 3 to the second material cylinder 4 sweeps effect, powder is laid on the second lifting platform 4a It is even, and roller 7d rotation directions are consistent with moving direction, will certainly cause rolling effect, so that powder transfer can not be completed, and Roller 7d, to during resetting at the first material cylinder 3, if being rolled to the powder in the second material cylinder 4, then can from the second material cylinder 4 Cause powder to extrude workpiece, damage is caused to workpiece.
Scraper can also be including fixed mount 7c, fixed mount 7c two ends are pacified respectively except a kind of above-mentioned setting Mounted in the first sliding block 7a1 and the second sliding block 7b1 outside, scraper plate is installed below the fixed mount 7c.Scraper plate may be along One guide rail 7a and the second guide rail 7b are moved in the horizontal plane, and powder is pushed into the second material cylinder 4 from the first material cylinder 3 using scraper plate Place's movement, forms powder layer.Compared to above-mentioned roller 7d setting, scraper plate is more succinct, and cost is lower.
It is preferred that, the drive device is including the first belt 7f inside the first guide rail 7a and positioned at the second guide rail The second belt 7g, the first guide rail 7a and the second guide rail 7b inside 7b is the two ends in hollow-core construction, the first guide rail 7a cavitys Provided with the belt pulley for installing the first belt 7f, the two ends in the second guide rail 7b cavitys, which are provided with, to be used to install the second belt 7g's Couple axle 7j, the driving are installed between two belt pulleys of side in belt pulley, the first guide rail 7a and the second guide rail 7b Device also includes motor 7h, and motor 7h is connected by the 3rd belt with couple axle 7j stage casing, and described first slides Block 7a1 has the first connector 7f1 to being extended inside the first guide rail 7a, and the first connector 7f1 is fixed with the first belt 7f Connection, the second sliding block 7b1 has the second connector 7g1 to being extended inside the second guide rail 7b, the second connector 7g1 with Second belt 7g is fixedly connected.First sliding block 7a1 and the second sliding block are driven by the first belt 7f and the second belt 7g motion 7b1 prolongs the first guide rail 7a and the second guide rail 7b movements respectively, and couple axle 7j setting can make the first belt 7f and the second belt 7g It is synchronized with the movement to ensure that fixed mount 7c will not shift in movement.
It is preferred that, the bottom of the first material cylinder 3 provided with the first lifting motor 3c and the first guide rod 3b, the first guide rod 3b into It is vertically arranged, its top is fixedly connected with the first lifting platform 3a bottom, the first guide rod 3b, which is provided with, prolongs vertical direction setting Outer toothed portion, the first lifting motor 3c main shaft is provided with and the first guide rod 3b outer toothed portion meshed gears.Using the first guide rod 3b Drive the first lifting platform 3a to lift with the first lifting motor 3c mode, also driving can be set in the bottom of the first material cylinder 3 certainly First electric pushrod of the first lifting motor 3c liftings, more succinctly, but the first guide rod 3b and the first lifting motor 3c matches somebody with somebody Conjunction can make adjustable height more accurate.
It is preferred that, the upper surface of the first lifting platform 3a offers the first counterbore, and the first lifting platform 3a is worn by bolt The end that first counterbore is crossed with the first guide rod 3b is connected.
It is preferred that, the side of the first material cylinder 3 is provided with the first recovery tank 8, for being reclaimed to powder.
It is preferred that, the bottom of the second material cylinder 4 is provided with the second lifting motor and the second guide rod, and the second guide rod into setting vertically Put, its top is fixedly connected with the second lifting platform 4a bottom, the second guide rod is provided with the outer toothed portion for prolonging vertical direction setting, the The main shaft of two lifting motors is provided with and the second guide rod outer toothed portion meshed gears.Using the second guide rod and the second lifting motor Mode drives the second lifting platform 4a to lift, and can also set driving the second lifting motor lifting in the bottom of the second material cylinder 4 certainly Second electric pushrod, more succinctly, but the cooperation of the second guide rod and the second lifting motor can make adjustable height more accurate.
It is preferred that, the upper surface of the second lifting platform 4a offers the second counterbore, and the second lifting platform 4a is worn by bolt Second counterbore is crossed to be connected with the end of the second guide rod.
It is preferred that, the side of the second material cylinder 4 is provided with the second recovery tank 9, for being reclaimed to powder.
The above described is only a preferred embodiment of the present invention, not making any limit to the technical scope of the present invention System, therefore any subtle modifications, equivalent variations and modifications that every technical spirit according to invention is made to above example, still Belong in the range of technical scheme.

Claims (5)

1. a kind of feed powder transfer device of extra quality cylinder 3d printers, extra quality cylinder 3d printers include the first material cylinder (3) and second Expect cylinder (4), it is characterised in that:Feed powder transfer device includes guider and the scraper on guider, should Scraper can be moved back and forth by a drive device on guider, and guider includes being located at the first material cylinder (3), second Expect first guide rail (7a) of the cylinder (4) with side, and set on the second guide rail (7b) of another same side, the first guide rail (7a) There is the first sliding block (7a1) being slidably matched with it, the second guide rail (7b) is provided with the second sliding block (7b1) being slidably matched with it.
2. a kind of feed powder transfer device of extra quality cylinder 3d printers according to claim 1, it is characterised in that:The scraper Device includes fixed mount (7c), and the two ends of the fixed mount (7c) are separately mounted to the first sliding block (7a1) and the second sliding block (7b1) Roller (7d) is installed, the lower section of the fixed mount (7c) is located at the side of roller (7d) below outside, the fixed mount (7c) Side is also equipped with roller motor (7e), and by connecting shaft, it is connected the roller motor (7e) with roller (7d);Roller (7d) Rotation direction is opposite with moving direction.
3. a kind of feed powder transfer device of extra quality cylinder 3d printers according to claim 1, it is characterised in that:The scraper Device includes fixed mount (7c), and the two ends of the fixed mount (7c) are separately mounted to the first sliding block (7a1) and the second sliding block (7b1) Scraper plate is installed below outside, the fixed mount (7c).
4. a kind of feed powder transfer device of extra quality cylinder 3d printers according to Claims 2 or 3, it is characterised in that:It is described Drive device includes second positioned at internal the first belt (7f) of the first guide rail (7a) and positioned at the second guide rail (7b) inside Belt (7g), the first guide rail (7a) and the second guide rail (7b) are that the two ends in hollow-core construction, the first guide rail (7a) cavity are provided with Two ends in belt pulley for installing the first belt (7f), the second guide rail (7b) cavity, which are provided with, to be used to install the second belt (7g) Belt pulley, couple axle (7j) is installed between two belt pulleys of side in the first guide rail (7a) and the second guide rail (7b), The drive device also includes motor (7h), and the motor (7h) is connected by the stage casing of the 3rd belt and couple axle (7j) Connect.
5. a kind of feed powder transfer device of extra quality cylinder 3d printers according to Claims 2 or 3, it is characterised in that:It is described First sliding block (7a1) has the first connector (7f1) to being extended inside the first guide rail (7a), first connector (7f1) with First belt (7f) is fixedly connected, and second sliding block (7b1) has the second connector to internal be extended of the second guide rail (7b) (7g1), second connector (7g1) is fixedly connected with the second belt (7g).
CN201710369760.3A 2017-05-23 2017-05-23 A kind of feed powder transfer device of extra quality cylinder 3d printers Pending CN107097417A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710369760.3A CN107097417A (en) 2017-05-23 2017-05-23 A kind of feed powder transfer device of extra quality cylinder 3d printers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710369760.3A CN107097417A (en) 2017-05-23 2017-05-23 A kind of feed powder transfer device of extra quality cylinder 3d printers

Publications (1)

Publication Number Publication Date
CN107097417A true CN107097417A (en) 2017-08-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710369760.3A Pending CN107097417A (en) 2017-05-23 2017-05-23 A kind of feed powder transfer device of extra quality cylinder 3d printers

Country Status (1)

Country Link
CN (1) CN107097417A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105269817A (en) * 2014-06-02 2016-01-27 株式会社理光 Apparatus for fabricating three-dimensional object

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105269817A (en) * 2014-06-02 2016-01-27 株式会社理光 Apparatus for fabricating three-dimensional object

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Application publication date: 20170829

RJ01 Rejection of invention patent application after publication