CN208116757U - A kind of selective laser sintering powdering scraper device - Google Patents

A kind of selective laser sintering powdering scraper device Download PDF

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Publication number
CN208116757U
CN208116757U CN201820380005.5U CN201820380005U CN208116757U CN 208116757 U CN208116757 U CN 208116757U CN 201820380005 U CN201820380005 U CN 201820380005U CN 208116757 U CN208116757 U CN 208116757U
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CN
China
Prior art keywords
scraper
tool apron
knife rest
screw
pressing plate
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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.)
Expired - Fee Related
Application number
CN201820380005.5U
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Chinese (zh)
Inventor
方友福
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Individual
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Individual
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Priority to CN201820380005.5U priority Critical patent/CN208116757U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/25Process efficiency

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Abstract

The utility model discloses a kind of selective laser sintering powdering scraper devices, including tool apron, knife rest, pressing plate and scraper, the tool apron is cylindrical structure of the root with square base, its intermediate slide is by the first screw lock ring on the cylinder of tool apron, unclamp the first screw, knife rest can be rotated around the cylinder of tool apron, pressing plate is fixed on knife rest by the second screw and scraper is pressed on knife rest, scraper is strip and its cross section is X-shaped and is elastomer, and the cutting edge of scraper is parallel with the cylinder axis on tool apron.The utility model helps that scraper is made to cross the lesser raised high point occurred in print procedure during powdering, reduces bring risk and the possibility of failure in print procedure to greatest extent.

Description

A kind of selective laser sintering powdering scraper device
Technical field
The utility model belongs to metal powder selective laser sintering increases material manufacturing technology field, and in particular to a kind of selection The laser sintered powdering scraper device of property.
Background technique
In 3D printing technique industry, (Selective Laser Melting, SLM) technical office is melted in selective laser It is the following metal parts Laser Direct Deposition technology with development potential in high-end.LM technology is to utilize high-energy Laser beam fusing is layered on the thin layer powder on powder bed in advance, successively melts stack shaping.In SLM forming process, every layer of laser After the end of scan, powder feeding cylinder rises certain altitude, and powder is uniformly laid on forming cylinder surfaces by powdering scraper.However, using When existing powdering scraper device carries out powdering, have the following problems:Due to powder and printing design of part etc., forming zero Part surface may generate nodularization, warpage contour point, and therefore, powdering scraper may be damaged printing during being laid with powder Part, or directly blocked at high point, it is difficult to go on smoothly so as to cause powdering process, also reduces printing success rate.
Summary of the invention
In view of the defects existing in the prior art, the utility model a kind of selective laser sintering powdering scraper device is provided can Effectively solve above-mentioned technical problem.The technical solution adopted in the utility model is:A kind of selective laser sintering powdering scraper dress It sets, including tool apron, knife rest, pressing plate and scraper, the tool apron is cylindrical structure of the root with square base, and intermediate slide passes through the One screw lock ring unclamps the first screw on the cylinder of tool apron, and knife rest can be rotated around the cylinder of tool apron, and pressing plate passes through the second screw It is fixed on knife rest and scraper is pressed on knife rest.
Further, the knife rest is " kitchen knife " shape, and knife handle is internally provided with through-hole, opens along its length immediately below knife handle There is breakthrough form elongated slot and knife handle lower part is divided into two valves, wherein being provided with threaded hole on a valve and its underpart is connected with blade, separately It is provided with screw mounting hole on one valve and two valves can be fastened across the hole and are adjacent to by screw;The blade lower part setting pressing plate is pacified Dress face, pressing plate mounting surface lower part are provided with scraper mounting groove.
Further, the scraper is strip and its cross section is X-shaped, and the material of scraper is elastic material, is scraped The cutting edge of knife is parallel with the cylinder axis on tool apron.
Selective laser sintering powdering scraper device provided by the utility model has the following advantages that:(1) scraper is elasticity Body can occur flexible deformation when scraper touches raised points and generates upward component and can cross in print procedure and occur Lesser raised high point, reduce bring risk and the possibility of failure in print procedure to greatest extent, guarantee powdering process It goes on smoothly, can also effectively improve printing success rate;(2) knife rest is rotatable, when blade wears, can pass through swivelling tool-holder pair Abrasion loss compensates;(3) scraper section is " X " type, and cutting edge has four, when a cutting edge abrasion is excessive, can rotate position Replacement cutting edge is set, scraper use cost is reduced.
Detailed description of the invention
Fig. 1 is a kind of selective laser sintering powdering scraper device three dimensional structure diagram of the utility model.
Fig. 2 is a kind of selective laser sintering powdering scraper device intermediate slide structural schematic diagram of the utility model.
In figure, 1, tool apron;2, knife rest;3, the first screw;4, pressing plate;5, the second screw;6, scraper;2-1, knife handle;2-2, Through-hole;2-3, elongated slot;2-4, blade;2-5, pressing plate mounting surface;2-6, scraper mounting groove.
Specific embodiment
The technical issues of in order to keep the utility model solved, technical solution and beneficial effect are more clearly understood, below In conjunction with accompanying drawings and embodiments, the present invention will be further described in detail.
It should be appreciated that specific embodiment described herein is not used to limit this reality only to explain the utility model With novel.
As shown in Figure 1, a kind of selective laser sintering powdering scraper device of the utility model, including tool apron 1, knife rest 2, pressure Plate 4 and scraper 6, the tool apron 1 are cylindrical structure of the root with square base, and intermediate slide 2 is by 3 lock ring of the first screw in knife On the cylinder of seat 1, the first screw 3 is unclamped, knife rest 2 can be rotated around the cylinder of tool apron 1, and pressing plate 4 is fixed on knife by the second screw 5 It is pressed on knife rest 2 on frame 2 and by scraper 6, the scraper 6 is strip and its cross section is X-shaped, and the material of scraper 6 is The cutting edge of elastic material, scraper 6 is parallel with the cylinder axis on tool apron 1.
As shown in Fig. 2, the knife rest 2 is " kitchen knife " shape, knife handle 2-1 is internally provided with through-hole 2-2, the underface knife handle 2-1 Be provided with breakthrough form elongated slot 2-3 along its length and the lower part knife handle 2-1 be divided into two valves, wherein be provided on a valve threaded hole and its Lower part is connected with blade 2-4, and screw mounting hole is provided on another valve and two valves can be fastened across the hole and are adjacent to by screw;Institute The lower part blade 2-4 setting pressing plate mounting surface 2-5 is stated, the lower part pressing plate mounting surface 2-5 is provided with scraper mounting groove 2-6.
Scraper is elastomer, and when powdering, elastic change can occur when scraper touches raised points and generates upward component The lesser raised high point that shape and capable of crossing occurs in print procedure, reduces bring risk in print procedure to greatest extent And the possibility of failure, guarantee that powdering process is gone on smoothly, further increases printing success rate.
When scraper 6 is worn, the first screw 3 is unclamped, swivelling tool-holder changes the distance that scraper 6 arrives powdering plane, to abrasion Amount compensates.
6 section of scraper is " X " type, and cutting edge has four, can be with 6 position of revolving scraper more when a cutting edge abrasion is excessive Renew cutting edge, to reduce by 6 use cost of scraper.

Claims (3)

1. a kind of selective laser sintering powdering scraper device, which is characterized in that including tool apron (1), knife rest (2), pressing plate (4) and Scraper (6), the tool apron (1) are cylindrical structure of the root with square base, and intermediate slide (2) passes through the first screw (3) lock ring It on the cylinder of tool apron (1), unclamps the first screw (3), knife rest (2) can rotate around the cylinder of tool apron (1), and pressing plate (4) passes through the Two screws (5) are fixed on knife rest (2) and scraper (6) are pressed on knife rest (2).
2. a kind of selective laser sintering powdering scraper device according to claim 1, which is characterized in that the knife rest (2) For " kitchen knife " shape, knife handle (2-1) is internally provided with through-hole (2-2), and it is long to be provided with breakthrough form along its length immediately below knife handle (2-1) Slot (2-3) and the lower part knife handle (2-1) is divided into two valves, wherein being provided with threaded hole on a valve and its underpart and blade (2-4) phase Even, screw mounting hole is provided on another valve and two valves can be fastened across the hole and are adjacent to by screw;Blade (2-4) lower part It is arranged pressing plate mounting surface (2-5), the lower part pressing plate mounting surface (2-5) is provided with scraper mounting groove (2-6).
3. a kind of selective laser sintering powdering scraper device according to claim 1, which is characterized in that the scraper (6) For strip and its cross section is X-shaped, and the material of scraper (6) is elastic material.
CN201820380005.5U 2018-03-20 2018-03-20 A kind of selective laser sintering powdering scraper device Expired - Fee Related CN208116757U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820380005.5U CN208116757U (en) 2018-03-20 2018-03-20 A kind of selective laser sintering powdering scraper device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820380005.5U CN208116757U (en) 2018-03-20 2018-03-20 A kind of selective laser sintering powdering scraper device

Publications (1)

Publication Number Publication Date
CN208116757U true CN208116757U (en) 2018-11-20

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Application Number Title Priority Date Filing Date
CN201820380005.5U Expired - Fee Related CN208116757U (en) 2018-03-20 2018-03-20 A kind of selective laser sintering powdering scraper device

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CN (1) CN208116757U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110712371A (en) * 2019-11-19 2020-01-21 衢州学院 Automatic cutter replacing device for 3D printing equipment
CN111360250A (en) * 2018-12-26 2020-07-03 沈阳新松机器人自动化股份有限公司 Flexible scraper device and selective laser melting powder laying device
CN112372000A (en) * 2020-11-25 2021-02-19 吉凯恩(丹阳)工业有限公司 Powder paving device suitable for metal selective laser melting and forming equipment
CN114734635A (en) * 2021-12-28 2022-07-12 南京铖联激光科技有限公司 Powder feeding structure of 3D printing equipment

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111360250A (en) * 2018-12-26 2020-07-03 沈阳新松机器人自动化股份有限公司 Flexible scraper device and selective laser melting powder laying device
CN110712371A (en) * 2019-11-19 2020-01-21 衢州学院 Automatic cutter replacing device for 3D printing equipment
CN112372000A (en) * 2020-11-25 2021-02-19 吉凯恩(丹阳)工业有限公司 Powder paving device suitable for metal selective laser melting and forming equipment
CN114734635A (en) * 2021-12-28 2022-07-12 南京铖联激光科技有限公司 Powder feeding structure of 3D printing equipment
CN114734635B (en) * 2021-12-28 2023-08-08 南京铖联激光科技有限公司 Powder feeding structure of 3D printing equipment

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20181120

Termination date: 20190320

CF01 Termination of patent right due to non-payment of annual fee