CN213257098U - Quick change adjustment scraper mechanism is printed to metal 3d - Google Patents
Quick change adjustment scraper mechanism is printed to metal 3d Download PDFInfo
- Publication number
- CN213257098U CN213257098U CN202021256119.2U CN202021256119U CN213257098U CN 213257098 U CN213257098 U CN 213257098U CN 202021256119 U CN202021256119 U CN 202021256119U CN 213257098 U CN213257098 U CN 213257098U
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- CN
- China
- Prior art keywords
- scraper
- base member
- frame
- metal
- scrape
- 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.)
- Expired - Fee Related
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 20
- 239000002184 metal Substances 0.000 title claims abstract description 20
- 230000008859 change Effects 0.000 title claims abstract description 13
- 239000000843 powder Substances 0.000 claims description 30
- 238000007639 printing Methods 0.000 claims description 12
- 239000002390 adhesive tape Substances 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000007480 spreading Effects 0.000 description 7
- 238000003892 spreading Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 238000007790 scraping Methods 0.000 description 5
- 238000010146 3D printing Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Abstract
The utility model discloses a metal 3d prints quick change adjustment scraper mechanism, include the scraper base member and scrape the blade holder, the cantilever bottom of scraper base member is through equal altitude screw and scraper holder threaded connection, it has the scraper frame through threaded connection behind the pinhole location to scrape the blade holder, the below recess swing joint who scrapes the blade frame has the scraper profile modeling, it has the scraper briquetting to scrape a left wall recess swing joint of blade frame. The utility model discloses set up and scrape the blade holder lateral wall and paste the straightness that hangs down that tightly guarantees the connection face of blade holder and scraper base member each other with scraper base member lower part inner wall, avoided the regulation of straightness that hangs down, saved the regulation link, and then reduced adjust time, set up micrometer head perpendicular to scraper base member, and then the stroke distance that control scraper that can be accurate adjusted, avoid the adjustment volume uncontrollable and receive the relapse, and then reduce the staff and mediate the required time of scraper.
Description
Technical Field
The utility model relates to a 3D printing apparatus technical field especially relates to a metal 3D prints quick change adjustment scraper mechanism.
Background
At present, the 3D printing technology is a rapid prototyping additive manufacturing means, and the digital manufacturing mode thereof rises rapidly in industrial manufacturing. The 3D printing is usually implemented by a digital technology material printer, and is often used for manufacturing models in the fields of mold manufacturing, industrial design, and the like, and then gradually used for direct manufacturing of some products, and there are already parts printed by using this technology. The technology has applications in jewelry, footwear, industrial design, construction, engineering and construction, automotive, aerospace, dental and medical industries, education, geographic information systems, civil engineering, firearms, and other fields.
The selective laser melting technology is an important component of the rapid forming technology, the whole process device consists of a powder feeding cylinder and a forming cylinder, a piston of the powder feeding cylinder rises during work, a laser galvanometer controls a two-dimensional scanning track of a laser beam according to a slice of a model, and a scraper is used for pushing metal powder from the powder feeding cylinder to the forming cylinder to form a new powder layer so as to print a new section profile. After the powder is finished by one layer, the piston of the forming cylinder descends by one layer thickness, and the powder paving system paves new powder. The laser beam is controlled to scan again to sinter the new layer. And repeating the steps repeatedly in such a way, and overlapping layer by layer until the three-dimensional part is molded. Finally, the unsintered powder is recovered in a powder jar and the molded part is removed. In the SLM printing process, the thickness and uniformity of each layer of powder determine the precision of a printed object, the thinner the powder layer is, the more uniform the powder is when spread, the higher the printing precision is, and the keying effect on the printing precision of the powder spreading scraper is.
The adjustment of the doctor blade is extremely important, since the thickness and uniformity of each layer of powder determines the shape of the printed object. The scraper structure of the existing 3D printer is adjusted by a group of screws to spread the level of the powder scraping strip, and the adjustment structure has the problems of no reference, large adjustment workload, long time consumption and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the quick change adjustment scraper mechanism is printed to a metal 3d that proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a metal 3d prints quick change adjustment scraper mechanism, includes the scraper base member and scrapes the blade holder, the cantilever bottom of scraper base member is through equal altitude screw and scraper holder threaded connection, it has the scraper frame through threaded connection after the pinhole location to scrape the blade holder, the below groove swing joint who scrapes the blade holder has the scraper profile modeling, scrape blade frame left side wall groove swing joint and have the scraper briquetting, scrape the blade holder through the scraper briquetting with scraper profile modeling swing joint in its inside recess, the inside embedding in profile modeling inslot of scraper profile modeling has the shop powder adhesive tape, two installation scraper organism pinholes have been seted up on the cantilever top of scraper base member, be provided with the level (l) adjustment micrometer head in the scraper base member pinhole.
As a further description of the above technical solution: two installation scraper base member pinholes have been seted up to the cantilever top of scraper base member, the upper end of scraper base member pinhole is equipped with fine screw, the micrometer head is equipped with installation screw thread and location shaft shoulder, scraper base member pinhole and micrometer head's location shaft shoulder mutually support and micrometer head perpendicular to scraper base member.
As a further description of the above technical solution: the scraper base body is provided with a waist-shaped hole, the bottom end of the scraper base body cantilever is in threaded connection with the scraper seat through an equal-height screw, and the equal-height screw is matched with the waist-shaped hole.
As a further description of the above technical solution: the scraper frame is characterized in that the front surface of the scraper frame is connected with a scraper frame fastening screw through screw threads, and the front surface of the scraper press block is connected with a scraper press block fastening screw through screw threads.
As a further description of the above technical solution: the scraper seat is provided with two scraper seat pin holes, and the scraper frame is positioned in the scraper seat pin holes of the scraper seats through positioning pins and then fixedly connected through fastening screws.
As a further description of the above technical solution: the size precision of the pin hole at the top end of the cantilever of the scraper base body is phi 9.5H7, and the size precision of the positioning pin is phi 5H 7.
As a further description of the above technical solution: the scraper frame is used for pressing the scraper profiling into the inner groove of the scraper frame through the scraper pressing block, and the powder spreading adhesive tape is embedded into the scraper profiling through the inner profiling groove.
The utility model discloses following beneficial effect has:
1. compared with the prior art, this metal 3d prints quick change adjustment scraper mechanism, it pastes tightly each other with scraper base member lower part inner wall and guarantees the straightness that hangs down of the connection face of scraper seat and scraper base member to set up the scraper seat lateral wall, the regulation of having avoided the straightness that hangs down, the regulation link has been saved, and then reduce accommodation time, set up micrometer head perpendicular to scraper base member, and then the stroke distance that control scraper that can be accurate was adjusted, avoid the adjustment volume uncontrollable and the relapse that results, and then reduce the staff and mediate the required time of scraper.
2. Compared with the prior art, this quick change adjustment scraper mechanism is printed to metal 3d sets up and scrapes the knife rest and fixes a position the back through scraping blade holder locating pin, makes the scraper holder advance to fix a position, reduces the time that the change scraper required, scrapes the size precision of blade holder locating pin simultaneously and sets up to phi 5H7, has improved the installation accuracy of spreading the powder and scraping the strip, makes to change at every turn and spread the powder and scrape the strip back level and only have small difference, the quick replacement of being more convenient for with the same race or other kinds of scraper.
Drawings
Fig. 1 is a perspective view of a quick-change adjusting scraper mechanism for metal 3d printing according to the present invention;
fig. 2 is a front view of a quick-change adjusting scraper mechanism for metal 3d printing according to the present invention;
fig. 3 is a sectional view taken from a-a in fig. 2 of a quick-change adjusting scraper mechanism for printing metal 3d according to the present invention.
Illustration of the drawings:
1. a scraper substrate; 2. a scraper seat; 3. a doctor holder; 4. profiling by a scraper; 5. pressing a scraper block; 6. spreading a powder adhesive tape; 7. a micrometer head; 8. a kidney-shaped hole; 11. scraping a base pin hole; 12. positioning pins; 21. a scraper seat pin hole; 22. an equal-height screw; 31. a scraper holder fastening screw; 51. the scraper pressing block fastens the screw.
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 work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the utility model provides a pair of metal 3d prints quick change adjustment scraper mechanism: comprises a scraper base body 1 and a scraper seat 2, wherein the bottom end of a cantilever of the scraper base body 1 is in threaded connection with the scraper seat 2 through equal-height screws 22, the equal-height screws 22 are arranged, so that the scraper seat 2 is more accurate in position during installation and more easy to reduce errors, the scraper seat 2 is in threaded connection with a scraper frame 3 after being positioned through a pin hole, the threaded connection enables the connection to be more stable and not easy to loosen, a scraper profile modeling 4 is movably connected with a lower groove of the scraper frame 3, a scraper pressing block 5 is movably connected with a left wall groove of the scraper frame 3, the scraper frame 3 movably connects the scraper profile modeling 4 in a groove inside the scraper frame through the, the inside embedding of the inside profile groove of scraper profile modeling 4 has spread powder adhesive tape 6, and two installation scraper base member pinholes 11 have been seted up on the cantilever top of scraper base member 1, are provided with level (l) ing micrometer head 7 in the scraper base member pinhole 11, adopt micrometer head 7, can adjust the level of spreading the powder scraping strip fast accurately and guarantee to spread the powder roughness.
Two scraper base body pin holes 11 are arranged at the top end of a cantilever of a scraper base body 1, fine threads are arranged at the upper ends of the scraper base body pin holes 11, the fine threads are arranged, the sealing performance of the mechanism is improved, the service life is prolonged, a micrometer head 7 is provided with mounting threads and a positioning shaft shoulder, the micrometer head 7 is connected through threads, the micrometer head 7 is not easy to loosen, the positioning shaft shoulder is adopted, the positioning is more accurate, and the error is reduced, the scraper base body pin holes 11 are matched with the positioning shaft shoulder of the micrometer head 7, the micrometer head 7 is perpendicular to the scraper base body 1, the scraper base body 1 is provided with waist-shaped holes 8, the waist-shaped holes 8 are adopted, the installation of a scraper seat 2 is facilitated, the bottom end of the cantilever of the scraper base body 1 is in threaded connection with the scraper seat 2 through an equal-height screw 22, the equal-height screw 22 is matched with the waist-shaped holes 8, the front surface of the scraper seat 3 is connected with a, adopt three groups of scraper briquetting fastening screw 51, it is more even to make the atress, difficult production displacement and not hard up, be provided with two scraper seat pinhole 21 on the scraper seat 2, scraper frame 3 passes through locating pin 12 and fixes a position the scraper seat pinhole 21 of scraper seat 2 back rethread fastening screw fixed connection, the pinhole size precision on scraper base member 1 cantilever top is phi 9.5H7, locating pin 12's size precision is phi 5H7, scraper frame 3 compresses tightly scraper profile modeling 4 in its inside recess through scraper briquetting 5, make scraper profile modeling 4 change the location, scraper profile modeling 4 will spread embedded wherein in powder adhesive tape 6 through inside profile modeling groove.
The working principle is as follows: the method is characterized in that a micrometer head 7 is connected into a scraper base body pinhole 11 at the top end of a cantilever of a scraper base body 1 through threads and a positioning shoulder shaft, two sets of micrometer heads 7 are arranged to ensure more accurate positioning, the connection is more stable and not easy to loosen due to threaded connection, the level of a powder spreading adhesive tape 6 can be quickly and accurately adjusted by screwing the micrometer heads 7 to ensure the flatness of powder spreading, the adjustment time is greatly shortened, the effective utilization rate of equipment is improved, a scraper base 2 is connected through a waist-shaped hole 8 through an equal-height screw 22 in a threaded manner, a positioning pin 12 is adjusted, the positioning pin 12 is fixed into the scraper base body pinhole 21, two sets of positioning pins 12 are arranged to ensure more uniform stress and not easy to loosen, the scraper profiling 4 is arranged in a groove below a scraper frame 3, the positioning is more convenient and accurate due to the groove, the scraper profiling 4 is fixed through a scraper press block 5 in the groove at the front end of the scraper frame 3, and the, three groups of scraper press blocks are adopted to fasten the screws 51, so that the stress is more uniform, the displacement and the looseness are not easy to generate, and the powder paving adhesive tape 6 is embedded into the inner profiling groove of the scraper profiling 4.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (7)
1. The utility model provides a metal 3d prints quick change adjustment scraper mechanism, includes scraper base member (1) and scraper seat (2), its characterized in that: the utility model discloses a scraper is characterized in that the cantilever bottom of scraper base member (1) is through equal altitude screw (22) and scraper seat (2) threaded connection, scraper seat (2) have scraper frame (3) through threaded connection after pinhole location, the below recess swing joint of scraper frame (3) has scraper profile modeling (4), scraper frame (3) left side wall recess swing joint has scraper briquetting (5), scraper frame (3) are through scraper briquetting (5) with scraper profile modeling (4) swing joint in its inside recess, the inside embedding in the inside profile modeling groove of scraper profile modeling (4) has powder paving adhesive tape (6), two installation scraper base member pinhole (11) have been seted up on the cantilever top of scraper base member (1), be provided with horizontal adjustment micrometer head (7) in scraper base member pinhole (11).
2. The quick-change adjusting scraper mechanism for metal 3d printing according to claim 1, characterized in that: the upper end of scraper base member pinhole (11) is equipped with thin screw thread, micrometer head (7) are equipped with installation screw thread and location shaft shoulder, scraper base member pinhole (11) mutually support and micrometer head (7) location shaft shoulder and be perpendicular to scraper base member (1).
3. The quick-change adjusting scraper mechanism for metal 3d printing according to claim 1, characterized in that: the scraper is characterized in that the scraper base body (1) is provided with a waist-shaped hole (8), the bottom end of a cantilever of the scraper base body (1) is in threaded connection with the scraper seat (2) through an equal-height screw (22), and the equal-height screw (22) is matched with the waist-shaped hole (8).
4. The quick-change adjusting scraper mechanism for metal 3d printing according to claim 1, characterized in that: the scraper is characterized in that the front surface of the scraper frame (3) is connected with a scraper frame fastening screw (31) through a screw thread, and the front surface of the scraper press block (5) is connected with a scraper press block fastening screw (51) through a screw thread.
5. The quick-change adjusting scraper mechanism for metal 3d printing according to claim 1, characterized in that: scrape and be provided with two on blade holder (2) and scrape blade holder pinhole (21), scrape that knife rest (3) are fixed a position through locating pin (12) and arrive scrape blade holder pinhole (21) of blade holder (2) back rethread fastening screw fixed connection.
6. The quick-change adjusting scraper mechanism for metal 3d printing according to claim 5, wherein: the size precision of a pin hole at the top end of the cantilever of the scraper base body (1) is phi 9.5H7, and the size precision of the positioning pin (12) is phi 5H 7.
7. The quick-change adjusting scraper mechanism for metal 3d printing according to claim 1, characterized in that: the scraper frame (3) is used for pressing the scraper profiling (4) in the inner groove of the scraper frame through the scraper pressing block (5), and the scraper profiling (4) is embedded into the powder paving adhesive tape (6) through the inner profiling groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021256119.2U CN213257098U (en) | 2020-06-30 | 2020-06-30 | Quick change adjustment scraper mechanism is printed to metal 3d |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021256119.2U CN213257098U (en) | 2020-06-30 | 2020-06-30 | Quick change adjustment scraper mechanism is printed to metal 3d |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213257098U true CN213257098U (en) | 2021-05-25 |
Family
ID=75958936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021256119.2U Expired - Fee Related CN213257098U (en) | 2020-06-30 | 2020-06-30 | Quick change adjustment scraper mechanism is printed to metal 3d |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213257098U (en) |
-
2020
- 2020-06-30 CN CN202021256119.2U patent/CN213257098U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210525 |