CN217315883U - Scraper assembly for 3D metal printing - Google Patents
Scraper assembly for 3D metal printing Download PDFInfo
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- CN217315883U CN217315883U CN202220091124.5U CN202220091124U CN217315883U CN 217315883 U CN217315883 U CN 217315883U CN 202220091124 U CN202220091124 U CN 202220091124U CN 217315883 U CN217315883 U CN 217315883U
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- scraper
- groove
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- assembly
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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 application discloses 3D metal is printed and is used scraper subassembly, it includes: the scraper frame is provided with a scraper groove; the scraper, the top of scraper is located scraper inslot, scrapes to have the fastener on the knife rest, and the fastener is used for fixed scraper, through scraping the rotatory rubber bolster of adjusting of knife rest side knob, makes rubber bolster lower part and scraper up end in close contact with to the accessible is fixed and is observed contact pressure and carry out adjustment pressure at the pressure sensor who scrapes on the knife rest. The utility model discloses can realize that metal laser selects the quick replacement scraper when melting the shaping, shorten the time of installation or change scraper, simultaneously, the design of the scraper subassembly of taking the rubber bolster can possess better shop's powder fault-tolerant ability, can realize printing the printing termination that the perk that arouses to the destruction of scraper and cause on the aspect when printing, make the scraper shop's powder subassembly have bigger fault-tolerant ability, extension scraper live time, the reduction is printed and is shut down, effectively improve printing efficiency.
Description
Technical Field
The application relates to the technical field of 3D printing, especially, relate to a 3D metal is printed and is used scraper subassembly.
Background
As the 3D metal Selective Laser Melting (SLM) technology has the characteristics of short processing period, high precision and good performance in the aspect of preparing metal complex parts, the SLM technology is used for processing products in the fields of aerospace military industry and the like and is more and more emphasized by all parties. The 3D metal selective laser melting technology (SLM) adopts layer-by-layer powder spreading, a laser selective melting processing method is adopted, a base plate needs to be installed and leveled before processing, a scraper is installed later, the scraper needs to be leveled by means of a base plate plane and fastened with a plurality of bolts when the scraper is installed, time and labor are wasted in the process of installing or replacing the scraper, time consumption is long, in the processing process, when one layer is printed, the scraper needs to spread powder once, the printing layer surface can be tilted due to suspension or large deformation during printing, the powder is continuously spread at the moment, the scraper can be damaged, and then the machine needs to be stopped for processing, the printing process is influenced, and the scraper is damaged.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model aims to provide a 3D is scraper subassembly for metal printing, can effectively solve the metal laser selective melting quick replacement scraper when shaping, shorten the time of installation or change scraper, and simultaneously, the scraper subassembly design of taking the rubber bolster can possess better shop's powder fault-tolerant ability, can realize printing the time owing to print the perk that warp on the printing aspect that stress deformation caused to the destruction of scraper and the printing termination that causes, it has bigger fault-tolerant ability to make the scraper shop's powder subassembly, extension scraper live time, reduce and print the shut down, effectively improve printing efficiency.
In order to achieve the above object, the present application provides a 3D metal printing blade assembly, the 3D printing blade assembly includes:
the scraper frame is provided with a scraper groove;
the scraper is detachably arranged in the scraper groove through a connecting part;
a buffer located on an inner wall of the scraper groove.
Optionally, the buffer is a rubber buffer.
Optionally, the scraper assembly further comprises a pressure sensor, the pressure sensor is located on the inner wall of the scraper groove, the pressure sensor is used for sensing the pressure applied to the inner wall of the scraper groove, and the pressure sensor is electrically connected with the pressure display on the scraper frame.
Optionally, the scraper assembly further comprises a plurality of fasteners, the fasteners are arranged on the scraper frame in a penetrating mode, and the fasteners are used for fixing the connecting portion inside the scraper groove.
Optionally, a plurality of said arrays of fasteners are distributed on said outer surface of said blade carrier.
Optionally, the fastener comprises a spring and a pin body, the end of the pin body passes through the groove wall of the scraper groove and is abutted with the side wall of the connecting part, and the end of the pin body is in threaded connection with the outer wall of the scraper groove;
the spring is wound on the pin body, one end of the spring is connected with the groove wall of the scraper groove, and the other end of the spring is connected with the side wall of the pin body.
Optionally, the fasteners are provided in four.
According to the scraper assembly for 3D metal printing provided by the embodiment of the application, the scraper frame is arranged, and the scraper groove is formed in the scraper frame; the top of the scraper is positioned in the scraper groove, and the scraper is connected with the scraper frame through a fastener, so that the problem that the scraper is quickly replaced when a metal laser selective melting forming is carried out can be effectively solved, and the time for installing or replacing the scraper is shortened; the bolster, the bolster is located the inner wall in scraper groove sets up the bolster at the scraper top, when spreading the powder, the bolster is used for the scraper to meet when printing the local perk that the face warp and cause of in-process printing, in perk department, the scraper can upwards extrude the bolster, because the cushioning effect of bolster, avoided perk department scraper to scrape and the damage that causes firmly, the fault-tolerant ability of scraper subassembly has been improved, 3D printer when printing has been solved, the scraper fault-tolerant is not good, then need shut down the processing, the process is printed in the influence, damage the problem of scraper, the work efficiency of printer is improved.
Drawings
Fig. 1 is a schematic structural diagram of a scraper assembly for 3D metal printing according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional structural view of a scraper assembly for 3D metal printing according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a fastener in the scraper assembly for 3D metal printing according to an embodiment of the present invention.
Wherein the reference numerals have the following meanings:
1. a doctor holder; 11. a frame body; 12. a fastener; 14. a pressure display; 15. a buffer member; 2. a connecting portion; 3. and (4) scraping the blade.
The implementation, functional features and advantages of the objectives of the present application will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front, rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1, the present application provides a 3D metal printing blade assembly, which includes:
the scraper rack 1 is provided with a scraper groove; the scraper groove arranged on the scraper frame 1 is used for better installing the scraper 3 and the scraper frame 1 and improving the installation speed of the scraper 3.
A buffer member 15, the buffer member 15 being located at an inner wall of the scraper groove. Because scraper 3 with scrape knife rest 1 and be connected through scraping the sword groove, and the scraper inslot is provided with bolster 15, bolster 15 is the bar, the adaptation sets up in scraper inslot wall, when spreading the powder, this bolster 15 is when being used for scraper 3 to meet the local perk that the printing surface warp and cause of printing the in-process, in perk department, scraper 3 can upwards extrude bolster 15, because the cushioning effect of bolster 15, avoided perk department scraper to scrape the damage that causes firmly, there is wideer fault-tolerant ability, thereby reduce the change frequency of scraper.
It should be noted that the blade 3 in this embodiment may be one of a ceramic blade, a metal blade, and a brush blade.
By arranging the scraper frame 1, a scraper groove is arranged on a frame body 11 of the scraper frame 1; the scraper 3 is detachably arranged in the scraper groove through the connecting part 2; the buffer part 15 is positioned on the inner wall of the scraper groove, the buffer part 15 is arranged at the top of the scraper 3, the scraper 3 is detachably connected with the scraper frame through the connecting part 2, the speed of replacing the scraper 3 can be rapidly improved, the buffer piece 15 is arranged at the top of the scraper 3, when the scraper 3 meets the situation that the printing surface is tilted, the top of the scraper 3 upwards extrudes the buffer piece 15, after the scraper 3 is swept and tilted, the buffer piece 15 can restore the scraper 3 by using the resilience force of the buffer piece, thereby avoiding the scraper 3 from being damaged by the tilting, thereby leading to printing halt, improving the fault-tolerant capability of the scraper component, solving the problems that when a D printer is used for printing, the fault tolerance of the scraper 3 is poor, the printer needs to be stopped to process, the printing process is influenced, the scraper 3 is damaged, the speed of replacing the scraper 3 is increased, and the working efficiency of the printer is improved.
In one embodiment, the buffer 15 is a rubber buffer 15. The cushioning material 15 made of rubber is excellent in resilience effect in consideration of the rubber, and is inexpensive because the rubber is easily available. Except for using rubber material to make the buffer member 15, a spring can be used to make the buffer member 15, and the rebound effect of the spring is mainly influenced by the tension.
In one embodiment, the scraper assembly further comprises a pressure sensor located on the inner wall of the scraper groove, the pressure sensor is used for sensing the pressure applied to the inner wall of the scraper groove, and the pressure sensor is electrically connected with the pressure display 14 on the scraper frame 1. The pressure sensor is used for measuring the pressure of the scraper and the scraper groove, and is convenient for adjusting the buffering effect. The pressure sensor is connected with the pressure display 14 in a telecommunication way, so that a worker can conveniently observe the pressure between the top of the scraper blade 3 in the scraper groove and the buffer member 15 through the pressure display 14.
In one embodiment, the doctor assembly further comprises a plurality of fasteners 12, the fasteners 12 being arranged through the doctor blade holder 1, the fasteners 12 being adapted to secure the connecting portion 2 inside the doctor blade channel. The connecting part 2 is fixed inside the scraper groove by using the fastener 12, so that the fastener 12 is conveniently controlled by a worker, the installation of the scraper 3 is controlled, and the stability of the scraper 3 in the moving process is ensured.
In one embodiment, a plurality of the fasteners 12 are arranged in an array on the outer surface of the scraper holder 1. The plurality of fasteners 12 are distributed in an array mode, so that the scraper 3 can be fixed in a plurality of areas when the scraper is fixed, the scraper 3 can be prevented from being unstable, and the scraper 3 can be prevented from being damaged in the fixing process.
In one embodiment, the fastener 12 comprises a spring and a pin body, the end of the pin body passes through the groove wall of the scraper groove and abuts against the side wall of the connecting part 2, and the end of the pin body is in threaded connection with the outer wall of the scraper groove; the spring is wound on the pin body, one end of the spring is connected with the groove wall of the scraper groove, and the other end of the spring is connected with the side wall of the pin body. Referring to fig. 3, this scheme sets up fastener 12 into spring and round pin body, and the tip butt of round pin body is in when on the lateral wall of connecting portion 2, the spring is in tensile state, and the spring has the trend of resilience force this moment, can be with the quick fixed of connecting portion 2, and this scheme is through using the spring in fastener 12, and after the installation is accomplished, through the quick fixed of spring to connecting portion 2, the time consumption of the change scraper is reduced, improves production efficiency.
In one embodiment, the fasteners 12 are provided in four, allowing for better securing of the fasteners 12.
The above description is only a preferred embodiment of the present application, and not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application, or which are directly or indirectly applied to other related technical fields, are included in the scope of the present application.
Claims (7)
1. The utility model provides a 3D is scraper assembly for metal printing which characterized in that, 3D prints and includes with scraper assembly:
the scraper frame is provided with a scraper groove; the scraper is detachably arranged in the scraper groove through a connecting part; a buffer disposed at an inner wall of the scraper groove.
2. The doctor assembly for 3D metal printing as claimed in claim 1, wherein the buffer is a rubber buffer.
3. The scraper assembly for 3D metal printing as claimed in claim 1, further comprising a pressure sensor located on an inner wall of the scraper groove, wherein the pressure sensor is used for sensing a pressure applied to the inner wall of the scraper groove, and the pressure sensor is electrically connected to a pressure display on the scraper frame.
4. The blade assembly for 3D metal printing of claim 1, further comprising a plurality of fasteners extending through the blade holder, the fasteners configured to secure the connecting portion within the blade channel.
5. The doctor assembly for 3D metal printing as claimed in claim 4, wherein a plurality of said arrays of fasteners are distributed on an outer surface of said blade holder.
6. The scraper assembly for 3D metal printing as claimed in claim 4, wherein the fastener comprises a spring and a pin body, an end of the pin body passes through a groove wall of the scraper groove and abuts against a side wall of the connecting portion, and an end of the pin body is in threaded connection with an outer wall of the scraper groove;
the spring is wound on the pin body, one end of the spring is connected with the groove wall of the scraper groove, and the other end of the spring is connected with the side wall of the pin body.
7. The doctor assembly for 3D metal printing as claimed in claim 5, wherein there are four fasteners provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220091124.5U CN217315883U (en) | 2022-01-13 | 2022-01-13 | Scraper assembly for 3D metal printing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220091124.5U CN217315883U (en) | 2022-01-13 | 2022-01-13 | Scraper assembly for 3D metal printing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217315883U true CN217315883U (en) | 2022-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220091124.5U Active CN217315883U (en) | 2022-01-13 | 2022-01-13 | Scraper assembly for 3D metal printing |
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| CN (1) | CN217315883U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115430844A (en) * | 2022-11-09 | 2022-12-06 | 四川工程职业技术学院 | Laser selective melting forming method for variable-layer-thickness metal part |
| CN115507809A (en) * | 2022-09-18 | 2022-12-23 | 南京中科煜宸激光技术有限公司 | Scraper deformation monitoring system, additive manufacturing printing equipment and method |
-
2022
- 2022-01-13 CN CN202220091124.5U patent/CN217315883U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115507809A (en) * | 2022-09-18 | 2022-12-23 | 南京中科煜宸激光技术有限公司 | Scraper deformation monitoring system, additive manufacturing printing equipment and method |
| CN115430844A (en) * | 2022-11-09 | 2022-12-06 | 四川工程职业技术学院 | Laser selective melting forming method for variable-layer-thickness metal part |
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