CN107891597A - A kind of reciprocating power spreading device - Google Patents
A kind of reciprocating power spreading device Download PDFInfo
- Publication number
- CN107891597A CN107891597A CN201710880785.XA CN201710880785A CN107891597A CN 107891597 A CN107891597 A CN 107891597A CN 201710880785 A CN201710880785 A CN 201710880785A CN 107891597 A CN107891597 A CN 107891597A
- Authority
- CN
- China
- Prior art keywords
- spreading device
- shaping box
- power spreading
- powder
- plate
- 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.)
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Classifications
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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
Abstract
The invention discloses a kind of reciprocating power spreading device,Including shaping box,Shaping box upper end is provided with two powder casees and stretches into the inside of shaping box,Bottom in shaping box is provided with workbench,Shaping box both ends side wall is provided with fixed plate,L shaped plate is provided with above fixed plate,L shaped plate is stretched into the cavity of shaping box side plate,L shaped plate one end is provided with shell fragment,Shell fragment is provided with spring two,The one end of spring two is connected with shaping box side wall,Powder-leakage plate is provided with above L shaped plate,Powder-leakage plate is provided with spring one,Spring one is connected with the outer wall of shaping box,The power spreading device of side-to-side movement is additionally provided with shaping box,Power spreading device upper end is provided with two leakage powder mouths,Dividing plate is provided with inside power spreading device,Ramp is provided with below dividing plate,The lowest part in ramp is provided with meal outlet,The both sides of power spreading device are provided with slot,Power spreading device bottom is provided with tool rest,Tool rest bottom is provided with rubber scraper,The present apparatus reduces useless movement travel,Using simple mechanical mechanism,Low manufacture cost,Equipment serious forgiveness is high.
Description
Technical field
The present invention relates to 3D printing field, more particularly to a kind of reciprocating power spreading device.
Background technology
3D printing is also referred to as rapid shaping, i.e., data and raw material is put into 3D printer, and being controlled by computer program will
Product printing in layer, ultimately forms finished product, and the quick of metal function part is manufactured in particular with metal dust
Forming technique is selective laser melting (SLM), and the technique has formed precision high, and comprehensive mechanical property is excellent, can directly meet
Practical engineering application, the key index of selective laser melting include consistency, precision and surface roughness, and powdering quality
Vital influence is produced for consistency and surface roughness.
Existing power spreading device spills powder to upper end and tiled, and is then return to starting point, to be carried out every time on stroke
Move twice, each backhaul may cause damage to the bisque completed, and not only waste movement travel, also be unfavorable for improving powdering
Precision.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of reciprocating power spreading device, to solve to cause in the prior art
Above-mentioned multinomial defect.
To achieve the above object, the present invention provides following technical scheme：A kind of reciprocating power spreading device, including shaping
Case, the shaping box upper end are provided with two powder casees and stretch into the inside of shaping box, and the bottom in the shaping box is provided with workbench,
Shaping box both ends side wall is provided with fixed plate, is provided with L shaped plate above the fixed plate, the L shaped plate stretches into shaping box side
In the cavity of plate, described L shaped plate one end is provided with shell fragment, and the shell fragment is provided with spring two, described one end of spring two and shaping box
Side wall is connected, and powder-leakage plate is provided with above the L shaped plate, and the powder-leakage plate is provided with spring one, the spring one and shaping box
Outer wall is connected, and the power spreading device of side-to-side movement is additionally provided with the shaping box, and the power spreading device upper end is provided with two leakage powder mouths,
Dividing plate is provided with inside the power spreading device, is provided with ramp below the dividing plate, the lowest part in the ramp is provided with meal outlet, described
The both sides of power spreading device are provided with slot, and the power spreading device bottom is provided with tool rest, and the tool rest bottom is provided with rubber scraper.
Preferably, the shaping box bottom is provided with two recovery ports.
Preferably, the power spreading device both ends are separately positioned on slide bar.
Beneficial effect using above technical scheme is：A kind of reciprocating power spreading device of the present invention, by powder raw material
It is placed in two powder casees, the opening in powder bottom portion is smaller, and the speed for making each powder leak down is smaller, is spread on the table
Powder and with laser sintered, power spreading device can open 3D printer with side-to-side movement, and power spreading device moves to the leftmost side first, Gu
In the slot of fixed board insertion power spreading device, now power spreading device bumps against shell fragment and compressed to the left, and shell fragment drives L shaped plate to transport to the left
Dynamic, L shaped plate plays position-limiting action to powder-leakage plate, the motion of L shaped plate, makes powder-leakage plate lateral movement to the left under the pulling force of spring one, this
When powder case lower end outlet open, powder enters inside power spreading device from the right of power spreading device leakage powder mouth, and now fixed plate
It is the inside for inserting power spreading device, powder can fall in fixed plate, and after certain time, power spreading device starts to move right progress
Powdering operation, during to the right, shell fragment makes L shaped plate return to right-hand member initial bit because the expansion force of spring two is sprung back outward into
Put, so as to drive powder-leakage plate to move right and block the outlet of powder case lower end, now fixed plate is also extracted out from power spreading device,
In extraction, due to the effect of dividing plate, powder enters the ramp on the right, and from the bottom that meal outlet is fallen into shaping box, and
All fallen before workbench is moved to, the position that rubber scraper is fallen relative to powder rearward, therefore after powder is fallen, rubber
And then glue scraper tiles to it, when power spreading device moves to the leftmost side, with the leakage powder of right side same principle make
Industry, and side powder has now been laid on workbench, laser head is sintered shaping to workbench while powder is leaked, one layer
After powder machine-shaping, the power spreading device on the right terminates to leak powder and to left movement and powdering, and leakage powder is carried out on right side after powdering, and
Second layer powder is processed, carries out reciprocating powdering operation according to the above method, the present apparatus will be leaked powder and be carried out simultaneously with processing, reduced
Useless movement travel, automatic power spreading, low manufacture cost, equipment serious forgiveness height are completed using simple mechanical mechanism.
Brief description of the drawings
Fig. 1 is the schematic diagram of the present invention；
Fig. 2 is the power spreading device schematic diagram of the present invention；
Fig. 3 is top view at the A of the present invention；
Fig. 4 is the power spreading device top view of the present invention；
Fig. 5 is enlarged diagram at the A of the present invention.
Wherein, 1- shaping boxs, 2- power spreading devices, 21- leakage powder mouths, 22- dividing plates, 23- slots, 24- meal outlets, 25- ramps,
26- tool rests, 27- rubber scrapers, 28- slide bars, 3- powder casees, 4- powder-leakage plates, 5-L shape plates, 6- springs one, 7- springs two, 8- shell fragments,
9- fixed plates, 10- workbench, 11- recovery ports.
Embodiment
The preferred embodiment that the invention will now be described in detail with reference to the accompanying drawings.
Fig. 1-5 shows the embodiment of the present invention：A kind of reciprocating power spreading device, including shaping box 1, the shaping
The upper end of case 1 is provided with two powder casees 3 and stretches into the inside of shaping box 1, and the bottom in the shaping box 1 is provided with workbench 10, described
The both ends side wall of shaping box 1 is provided with fixed plate 9, and the top of fixed plate 9 is provided with L shaped plate 5, and the L shaped plate 5 stretches into shaping box 1
In the cavity of side plate, described one end of L shaped plate 5 is provided with shell fragment 8, and the shell fragment 8 is provided with spring 27, described one end of spring 27 with
The side wall of shaping box 1 is connected, and the top of L shaped plate 5 is provided with powder-leakage plate 4, and the powder-leakage plate 4 is provided with spring 1, the spring one
6 are connected with the outer wall of shaping box 1, and the power spreading device 2 of side-to-side movement, the upper end of power spreading device 2 are additionally provided with the shaping box 1
Provided with two leakage powder mouths 21, the inside of power spreading device 2 is provided with dividing plate 22, and the lower section of dividing plate 22 is provided with ramp 25, the slope
The lowest part in road 25 is provided with meal outlet 24, and the both sides of the power spreading device 2 are provided with slot 23, and the bottom of power spreading device 2 is provided with
Tool rest 26, the bottom of tool rest 26 are provided with rubber scraper 27.
In the present embodiment, the bottom of shaping box 1 is provided with two recovery ports 11, and recovery port 11 is located at both ends respectively, and often
Secondary rubber scraper 27 all passes through recovery port 11, every time by when then by laying after unnecessary powder bring into recovery port 11 and returned
Receive.
In the present embodiment, the both ends of power spreading device 2 are separately positioned on slide bar 28, power spreading device 2 by with slide bar 28
It is slidably connected and is driven by mechanisms such as motor belts, so as to realizes motion of the power spreading device 2 in shaping box 1.
Based on above-mentioned, a kind of reciprocating power spreading device of structure of the present invention, powder raw material is placed on two powder casees 3
Interior, the opening of the bottom of powder case 3 is smaller, and the speed for making each powder leak down is smaller, and powdering is carried out on workbench 10 and uses laser
Sintering, power spreading device 2 can open 3D printer with side-to-side movement, and power spreading device 2 moves to the leftmost side first, and fixed plate 9 is inserted
In the slot 23 of power spreading device 2, now power spreading device 2 bumps against shell fragment 8 and compressed to the left, and shell fragment 8 drives L shaped plate 5 to transport to the left
Dynamic, L shaped plate 5 plays position-limiting action to powder-leakage plate 4, the motion of L shaped plate 5, powder-leakage plate 4 is transported to the left under the pulling force of spring 1
Dynamic, the now outlet of the lower end of powder case 3 is opened, and powder enters inside power spreading device 2 from the right of power spreading device 2 leakage powder mouth 21, and
Now fixed plate 9 is to insert the inside of power spreading device 2, and powder can fall in fixed plate 9, and after certain time, power spreading device 2 is opened
Beginning, which moves right, carries out powdering operation, and during to the right, shell fragment 8 makes L-shaped because the expansion force of spring 27 is sprung back outward into
Plate 5 returns to right-hand member initial position, so as to drive powder-leakage plate 4 to move right and block the outlet of the lower end of powder case 3, now fixed plate 9
Also extracted out from power spreading device 2, in extraction, due to the effect of dividing plate 22, powder enters the ramp 25 on the right, and from going out
The bottom that powder mouth 24 is fallen into shaping box 1, and all fallen before workbench 10 is moved to, rubber scraper 27 is relative to powder
Rearward, therefore after powder is fallen, and then rubber scraper 27 tiles to it, when power spreading device 2 moves to for the position fallen
During the leftmost side, the leakage powder operation with right side same principle is carried out, and side powder has now been laid on workbench 10, in leakage powder
While laser head shaping is sintered to workbench 10, after one layer of powder machine-shaping, the power spreading device 2 on the right terminates leakage powder
And to left movement and powdering, leakage powder is carried out on right side after powdering, and second layer powder is processed, carried out according to the above method reciprocating
Powdering operation, the present apparatus will be leaked powder and carried out simultaneously with processing, reduce useless movement travel, completed using simple mechanical mechanism
Automatic power spreading, low manufacture cost, equipment serious forgiveness are high.
Above-described is only the preferred embodiment of the present invention, it is noted that for one of ordinary skill in the art
For, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to the present invention
Protection domain.
Claims (3)
1. a kind of reciprocating power spreading device, including shaping box, it is characterised in that：The shaping box upper end is provided with two powder casees and stretched
Enter the inside of shaping box, the bottom in the shaping box is provided with workbench, and shaping box both ends side wall is provided with fixed plate, institute
To state and be provided with L shaped plate above fixed plate, the L shaped plate is stretched into the cavity of shaping box side plate, and described L shaped plate one end is provided with shell fragment,
The shell fragment is provided with spring two, and described one end of spring two is connected with shaping box side wall, and powder-leakage plate is provided with above the L shaped plate,
The powder-leakage plate is provided with spring one, and the spring one is connected with the outer wall of shaping box, and left and right fortune is additionally provided with the shaping box
Dynamic power spreading device, the power spreading device upper end are provided with two leakage powder mouths, dividing plate, the dividing plate are provided with inside the power spreading device
Lower section is provided with ramp, and the lowest part in the ramp is provided with meal outlet, and the both sides of the power spreading device are provided with slot, the powdering dress
Bottom set portion is provided with tool rest, and the tool rest bottom is provided with rubber scraper.
2. reciprocating power spreading device according to claim 1, it is characterised in that：The shaping box bottom is provided with two recovery
Mouthful.
3. reciprocating power spreading device according to claim 1, it is characterised in that：The power spreading device both ends are separately positioned on
On slide bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710880785.XA CN107891597A (en) | 2017-09-26 | 2017-09-26 | A kind of reciprocating power spreading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710880785.XA CN107891597A (en) | 2017-09-26 | 2017-09-26 | A kind of reciprocating power spreading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107891597A true CN107891597A (en) | 2018-04-10 |
Family
ID=61803494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710880785.XA Pending CN107891597A (en) | 2017-09-26 | 2017-09-26 | A kind of reciprocating power spreading device |
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| Country | Link |
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| CN (1) | CN107891597A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109572178A (en) * | 2018-12-20 | 2019-04-05 | 象山兑鹏电子科技有限公司 | Automatic mechanism is used in a kind of printing |
| CN111485732A (en) * | 2020-04-25 | 2020-08-04 | 南京迈豪幕墙工程有限公司 | Automatic sunshade type intelligent sunshine room |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205702441U (en) * | 2016-04-11 | 2016-11-23 | 上海拓宝机电科技有限公司 | Selective laser sintering one side is for the powder discharger of powder and powder feeder unit |
| CN206065412U (en) * | 2016-08-31 | 2017-04-05 | 安徽拓宝增材制造科技有限公司 | The powder feeder unit of the laser sintered equipment of new selective |
-
2017
- 2017-09-26 CN CN201710880785.XA patent/CN107891597A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205702441U (en) * | 2016-04-11 | 2016-11-23 | 上海拓宝机电科技有限公司 | Selective laser sintering one side is for the powder discharger of powder and powder feeder unit |
| CN206065412U (en) * | 2016-08-31 | 2017-04-05 | 安徽拓宝增材制造科技有限公司 | The powder feeder unit of the laser sintered equipment of new selective |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109572178A (en) * | 2018-12-20 | 2019-04-05 | 象山兑鹏电子科技有限公司 | Automatic mechanism is used in a kind of printing |
| CN111485732A (en) * | 2020-04-25 | 2020-08-04 | 南京迈豪幕墙工程有限公司 | Automatic sunshade type intelligent sunshine room |
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Application publication date: 20180410 |
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