CN218701315U - Apparatus for manufacturing three-dimensional object and doctor blade clamping device thereof - Google Patents
Apparatus for manufacturing three-dimensional object and doctor blade clamping device thereof Download PDFInfo
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- CN218701315U CN218701315U CN202222810302.8U CN202222810302U CN218701315U CN 218701315 U CN218701315 U CN 218701315U CN 202222810302 U CN202222810302 U CN 202222810302U CN 218701315 U CN218701315 U CN 218701315U
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- scraper
- pressing block
- doctor blade
- inclined pressing
- mounting groove
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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
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Abstract
The utility model belongs to the technical field of additive manufacturing, in particular to a device for manufacturing a three-dimensional object and a scraper clamping device thereof, which comprises a scraper seat, a scraper and a clamping body, wherein the clamping body comprises an inclined pressing block, an adjusting screw and a supporting block; the inclined pressing block is provided with a pressed surface and a sliding inclined surface which are arranged in a way of deviating from each other; the scraper seat is provided with a scraper mounting groove and an inclined pressing block mounting groove which are communicated with each other; the scraper and the inclined pressing block are respectively arranged in the scraper mounting groove and the inclined pressing block mounting groove, and the scraper is pressed by the pressed surface; the adjusting screw extends into the inclined pressing block mounting groove to jack the inclined pressing block; the supporting block is connected with the scraper seat, and the supporting block presses the inclined pressing block. The utility model discloses a pressing surface of oblique briquetting comes the tight scraper of clamp, and the scraper atress is more even, and scraper non-deformable also is difficult for droing, has improved the life of scraper, spreads the life of powder planarization and equipment.
Description
Technical Field
The utility model belongs to the technical field of the vibration material disk, concretely relates to equipment for making three-dimensional object and scraper clamping device thereof.
Background
An Additive Manufacturing (AM) is an advanced Manufacturing technology with the distinct characteristics of digital Manufacturing, high flexibility and adaptability, direct CAD model driving, rapidness, rich and diverse material types, and the like, and has become a pillar technology in modern advanced Manufacturing technologies since the late development of the eighties of the twentieth century. Selective Laser Sintering (SLS) is one of the most rapidly developed additive manufacturing technologies in recent years, and it uses powder material as raw material, and adopts Laser to scan the cross section of three-dimensional entity layer by layer to complete prototype manufacturing, and is not limited by the complexity of part shape, and does not need any tool and die, and its application range is wide.
The existing three-dimensional object manufacturing equipment (taking selective laser sintering equipment as an example) generally comprises a cavity structure, a powder laying device, a scanning device, an electrical appliance control device and the like, wherein the cavity powder laying device plays a key role in controlling the precision of a 3D printing position, printing, powder laying, layer thickness precision and the like in a cavity, and ensuring the durability and the durability of the equipment. The fixing mode of the scraper included by the existing cavity powder paving device is as follows: the pressing blocks are arranged on the two sides of the scraper, the two pressing blocks press the two sides of the scraper respectively, the pressing blocks are fixed on the scraper seat through bolts, the scraper is pressed and concentrated at the two pressing blocks, the scraper is stressed unevenly, the bolt tightness adjusting force is uncontrollable, and when the size of the scraper is large, the scraper is easily excessively extruded and deformed to be damaged due to slight over adjustment; when the scraper is small in size, the scraper is easy to fall off, the service life of the scraper is influenced, and the service life of equipment is further influenced. And when powder is spread, the scraper with uneven stress becomes loose due to too thick powder, so that the powder layer is uneven when the powder is spread by the scraper, the smoothness of the spread powder is influenced, and the quality of 3D printing is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an it is not enough with regard to overcoming prior art, provides an equipment for making three-dimensional object and scraper clamping device thereof, the utility model discloses a pressing surface of briquetting presss from both sides tight scraper to one side, and the scraper atress is more even, and scraper non-deformable also is difficult for droing, has improved the life of scraper, spreads the life of powder planarization and equipment.
In order to achieve the above object, the utility model provides a scraper clamping device for manufacturing three-dimensional objects, which comprises a scraper seat, a scraper and a clamping body, wherein the clamping body comprises an inclined pressing block, an adjusting screw and a supporting block;
the inclined pressing block is provided with a pressed surface and a sliding inclined surface which are arranged in a way of deviating from each other; the scraper seat is provided with a scraper mounting groove and an inclined pressing block mounting groove which are communicated, and the groove side surface of the inclined pressing block mounting groove is an inclined surface;
the scraper and the inclined pressing block are respectively arranged in the scraper mounting groove and the inclined pressing block mounting groove, the scraper is pressed by the pressed surface, the sliding inclined surface is matched with the groove side surface of the inclined pressing block mounting groove, and the inclined pressing block can move along the groove side surface of the inclined pressing block mounting groove;
the scraper seat is provided with a threaded hole, the adjusting screw is arranged at the threaded hole and can move at the threaded hole, and the adjusting screw extends into the inclined pressing block mounting groove to jack the inclined pressing block;
the supporting block is connected with the scraper seat, and the supporting block presses the inclined pressing block.
Furthermore, a T-shaped groove is formed in the inclined pressing block, one side of the T-shaped groove penetrates through the sliding inclined plane of the inclined pressing block, and a T-shaped head matched with the T-shaped groove is arranged on the adjusting screw.
Furthermore, a supporting block mounting groove is formed in the scraper seat, one end of the supporting block is mounted in the supporting block mounting groove, and the other end of the supporting block presses the inclined pressing block.
Further, the scraper is a rubber scraper, a steel scraper or a ceramic scraper.
Further, the number of the scrapers is two, the number of the clamping bodies is two, and each clamping body clamps one corresponding scraper; correspondingly, the scraper seat is symmetrically provided with the scraper mounting groove and the inclined pressing block mounting groove along the length center line on two sides.
Furthermore, the number of the scrapers is two, the number of the clamping bodies is four, and each two clamping bodies clamp one corresponding scraper; correspondingly, the scraper seat is symmetrically provided with one on two sides along the length center line, the scraper mounting grooves and two inclined pressing block mounting grooves are communicated with each other and are symmetrically arranged side by side.
Further, the pressure receiving surface is a horizontal surface or an inclined surface.
Further, the adjusting screw is a socket head cap screw.
Further, the supporting block is connected with the scraper seat through a fastening screw, and the fastening screw is a socket head cap screw.
The utility model also provides an equipment for making three-dimensional object, include scraper clamping device, still include connecting block and cantilever, two long limits of scraping the blade holder all are connected with the connecting block, two minor faces of scraping the blade holder equally divide cloth have the cantilever, just the cantilever with it is connected to scrape blade holder and connecting block.
The utility model has the advantages that:
1. the utility model discloses when pressing from both sides tight body and pressing from both sides tight scraper, the scraper is compressed tightly through the face that bears of oblique briquetting, and the scraper atress is not concentrated for the scraper atress is more even, and scraper non-deformable has improved the life of scraper and the life of equipment. And because the scraper is more evenly stressed, the unsmooth powder spreading caused by looseness due to too thick powder spreading can be avoided, so that the smoothness of the powder spreading is effectively ensured, and the powder spreading precision is ensured.
2. The side surface of the inclined pressing block mounting groove of the utility model is an inclined surface and is matched with the sliding inclined surface of the inclined pressing block for use, and the inclined pressing block is propped by the adjusting screw by screwing the adjusting screw, so that the inclined pressing block can move along the side surface of the inclined pressing block mounting groove; when adjusting screw is not screwed, the scraper is tightly clamped and fixed, the adjustment force is controllable due to the cooperation of the inclined plane of the side face of the groove and the sliding inclined plane, the clamping is firm, and meanwhile, the scraper is pressed through the supporting block after the scraper is clamped, so that the scraper is fixed and reliable and is not easy to fall off.
3. The utility model discloses a scraper clamping device simple structure occupies that space is little, and is easy and simple to handle moreover for the scraper is maintained and is changed more convenient simple, has improved work efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the scraper clamping device of the present invention;
FIG. 2 is a perspective view of FIG. 1, turned over;
fig. 3 is an exploded view of the doctor blade clamping device of the present invention;
fig. 4 is a schematic structural view of a scraper seat according to a first embodiment of the present invention;
FIG. 5 is a perspective view of the oblique pressing block of the present invention;
fig. 6 is a perspective view of the adjusting screw of the present invention;
FIG. 7 is a perspective view of the utility model after the inclined pressing block and the adjusting screw are assembled;
FIG. 8 is a sectional view of the scraper seat, scraper, inclined block and supporting block of the present invention after they are assembled;
fig. 9 is a schematic structural view of a scraper seat according to a second embodiment of the present invention;
fig. 10 is a schematic structural view of a scraper seat according to a third embodiment of the present invention;
fig. 11 is a schematic structural view of a scraper seat according to a fourth embodiment of the present invention;
FIG. 12 is a schematic structural view of a scraper seat according to a fifth embodiment of the present invention
Fig. 13 is a perspective view of the scraper clamping device, the connecting block and the cantilever of the present invention in a use state after being assembled.
The above reference numerals:
the scraper comprises a scraper seat 1, a scraper mounting groove 101, an inclined pressing block mounting groove 102, a side face 1020, a supporting block mounting groove 103, a scraper 2, a clamping body 3, an inclined pressing block 30, a sliding inclined plane 301, a pressed surface 302, a T-shaped groove 303, an adjusting screw 31, a head 310T, a supporting block 32, a fastening screw 4, a connecting block 5 and a cantilever 6.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
Example one
As shown in fig. 1 to 8, the present embodiment provides a doctor blade clamping device for manufacturing a three-dimensional object, which includes a doctor blade holder 1, a doctor blade 2, and a clamping body 3, where the clamping body 3 includes a ramp block 30, an adjusting screw 31, and a supporting block 32. The inclined pressing block 30 is provided with a pressed surface 302 and a sliding inclined surface 301 which are arranged in a way of deviating from each other; the scraper seat 1 is provided with a scraper mounting groove 101 and an inclined pressing block mounting groove 102 which are communicated, and the groove side surface of the inclined pressing block mounting groove 102 is an inclined surface.
The scraper 2 and the inclined pressing block 30 are respectively installed in the scraper installation groove 101 and the inclined pressing block installation groove 102, the pressed surface 302 presses the scraper 2, the sliding inclined surface 301 is matched with the groove side surface of the inclined pressing block installation groove 102, and the inclined pressing block 30 can move along the groove side surface of the inclined pressing block installation groove 102.
The scraper seat 1 is provided with a threaded hole, the adjusting screw 31 is installed at the threaded hole and can move at the threaded hole, and the adjusting screw 31 extends into the inclined pressing block installation groove 102 to jack the inclined pressing block 30. The supporting block 32 is connected to the scraper seat 1, and the supporting block 32 presses the inclined pressing block 30.
When the clamping body 3 clamps the scraper 2, the compression surface 302 of the inclined pressing block 30 compresses the scraper 2, and the scraper 2 is not compressed, so that the stress of the scraper 2 is more uniform, the scraper 2 is not easy to deform, and the service life of the scraper 2 and the service life of equipment are prolonged. And because the scraper 2 is stressed more uniformly, the powder spreading process can not be uneven due to looseness caused by too thick powder spreading, so that the smoothness of the powder spreading is effectively ensured, and the powder spreading precision is ensured.
In the present embodiment, the groove side surface 1020 of the ramp block mounting groove 101 is an inclined surface and is used in cooperation with the sliding inclined surface 301 of the ramp block 30, and by screwing the adjusting screw 31, the adjusting screw 31 abuts against the ramp block 30, so that the ramp block 30 can move along the groove side surface 1020 of the ramp block mounting groove 102, and the moving directions of the ramp block 30 and the adjusting screw 31 are as shown in fig. 1; when adjusting screw 31 is not screwed, scraper 2 is tightly clamped and fixed, and the cooperation of the inclined plane of groove side 1020 and sliding inclined plane 301 makes the regulation dynamics controllable, and it is tight to press from both sides moreover, presses down scraper 2 through supporting shoe 4 after scraper 2 presss from both sides tightly simultaneously, and scraper 2 is fixed reliable, is difficult for droing.
When the adjusting screw 31 is screwed so that the moving direction of the adjusting screw 31 is opposite to the direction indicated by the arrow 1 shown in fig. 1, the adjusting screw 31 no longer presses the inclined pressing block 30, the inclined pressing block 30 no longer presses the scraper 2, and the scraper 2 can be replaced.
The scraper clamping device of the embodiment is simple in structure, small in occupied space and simple and convenient to operate, so that the scraper 2 is maintained and replaced more conveniently and simply, and the working efficiency is improved.
Referring to fig. 5 to 7, in this embodiment, preferably, a T-shaped groove 303 is formed on the oblique pressing block 30, one side of the T-shaped groove 303 penetrates through the sliding inclined plane 301 of the oblique pressing block 30, and a T-shaped head 310 matched with the T-shaped groove 303 is formed on the adjusting screw 31. The inclined pressing block 30 is detachably connected with the adjusting screw 31 through the T-shaped groove 303 and the T-shaped head 310, and the assembly and disassembly are convenient.
Referring to fig. 1 to 4 and 8, in the present embodiment, preferably, a supporting block mounting groove 103 is formed on the scraper seat 1, one end of the supporting block 32 is mounted in the supporting block mounting groove 103, and the other end presses the inclined pressing block 30.
Preferably, the blade 2 is a rubber blade, a steel blade or a ceramic blade.
In this embodiment, the adjusting screw 31 is preferably a socket head cap screw. So as to facilitate screwing of the adjusting screw 31 by means of a socket head wrench.
In this embodiment, preferably, the supporting block 32 is connected to the scraper seat 1 through a fastening screw 4, and the fastening screw 4 is an inner hexagon screw, so as to conveniently screw the fastening screw 4 through an inner hexagon wrench, and facilitate the mounting and dismounting of the supporting block 32 with respect to the scraper seat 1.
As shown in fig. 1 to 4, the number of the doctor blades 2 is two, the number of the clamping bodies 3 is four, and each two clamping bodies 3 clamp one corresponding doctor blade 2; correspondingly, the scraper seat 1 is symmetrically provided with one on two sides along the length center line, the scraper mounting grooves 101 and two are inclined pressing block mounting grooves 102, and the inclined pressing block mounting grooves 102 on each side are communicated and are symmetrically arranged side by side.
Referring to fig. 1-5, in the present embodiment, the pressure receiving surface 302 is preferably a horizontal surface.
Example two
Referring to fig. 9 and 10, the second embodiment differs from the first embodiment in that: the number of the scrapers 2 is two, the number of the clamping bodies 3 is two, and each clamping body 3 correspondingly clamps one scraper 2; correspondingly, the scraper seat 1 is provided with one scraper mounting groove 101 and one inclined pressing block mounting groove 102 along both sides of the length centerline symmetrically. Wherein fig. 9 and 10 differ only in the inclination direction of the groove side surface 1020 of the swash block mounting groove 102.
In this embodiment, the pressure receiving surface 302 is a horizontal surface.
Fig. 9 and 10 are schematically illustrated for the blade holder, the support block mounting groove 103 and the like are not illustrated, the schematic illustration of fig. 9 and 10 is merely for clarity of the blade mounting groove 101 and the swash block mounting groove 102, and the rest of the structure is shown with reference to the first embodiment.
EXAMPLE III
Referring to fig. 11 and 12, the difference between the third embodiment and the second embodiment is: the pressure receiving surface 302 is a beveled surface. Correspondingly, the doctor blade 2 is configured to match the pressure receiving surface 302. Wherein the schematic drawings shown in fig. 11 and 12 are only for the purpose of clearly showing the blade mounting groove 101 and the briquetting mounting groove 102, and the rest of the construction is shown with reference to the first embodiment.
Example four
Referring to fig. 1-13, the apparatus for manufacturing a three-dimensional object provided by this embodiment includes the first embodiment of the doctor blade clamping device, and further includes a connecting block 5 and a cantilever 6, two long sides of the doctor blade holder 1 are both connected with the connecting block 5, two short sides of the doctor blade holder 1 are equally distributed with the cantilever 6, and the cantilever 6 is connected with the doctor blade holder 1 and the connecting block 2 to form a cavity powder spreading device for spreading powder on the surface of a forming cylinder or on the surface of a formed part.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A scraper clamping device for manufacturing three-dimensional objects is characterized by comprising a scraper seat (1), a scraper (2) and a clamping body (3), wherein the clamping body (3) comprises an inclined pressing block (30), an adjusting screw (31) and a supporting block (32);
the inclined pressing block (30) is provided with a pressed surface (302) and a sliding inclined surface (301) which are arranged in a way of deviating from each other; the scraper seat (1) is provided with a scraper mounting groove (101) and an inclined pressing block mounting groove (102) which are communicated, and the groove side surface (1020) of the inclined pressing block mounting groove (102) is an inclined surface;
the scraper (2) and the inclined pressing block (30) are respectively installed in the scraper installation groove (101) and the inclined pressing block installation groove (102), the pressing surface (302) presses the scraper (2), the sliding inclined surface (301) is matched with the groove side surface (1020) of the inclined pressing block installation groove (102), and the inclined pressing block (30) can move along the groove side surface (1020) of the inclined pressing block installation groove (102);
a threaded hole is formed in the scraper seat (1), the adjusting screw (31) is installed at the threaded hole and can move at the threaded hole, and the adjusting screw (31) extends into the inclined pressing block installation groove (102) to jack the inclined pressing block (30);
the supporting block (32) is connected with the scraper seat (1), and the supporting block (32) presses the inclined pressing block (30).
2. The doctor blade clamping device for manufacturing three-dimensional objects as claimed in claim 1, characterised in that the ramp block (30) is provided with a T-shaped groove (303), one side of the T-shaped groove (303) extends through the sliding ramp (301) of the ramp block (30), and the adjusting screw (31) is provided with a T-shaped head (310) which is matched with the T-shaped groove (303).
3. The doctor blade clamping device for manufacturing three-dimensional objects as claimed in claim 1, wherein the doctor blade holder (1) is provided with a supporting block mounting groove (103), one end of the supporting block (32) is mounted in the supporting block mounting groove (103), and the other end presses the ramp block (30).
4. Doctor blade clamping device for manufacturing three-dimensional objects according to claim 1, characterised in that the doctor blade (2) is a rubber doctor blade, a steel doctor blade or a ceramic doctor blade.
5. Doctor blade clamping device for manufacturing three-dimensional objects according to claim 1, characterised in that the number of doctor blades (2) is two and the number of clamping bodies (3) is two, each clamping body (3) clamping one doctor blade (2); correspondingly, the scraper seat (1) is symmetrically provided with the scraper mounting groove (101) and the inclined pressing block mounting groove (102) along the length center line.
6. Doctor blade clamping device for manufacturing three-dimensional objects according to claim 1, characterised in that the number of doctor blades (2) is two and the number of clamping bodies (3) is four, each two clamping bodies (3) clamping one doctor blade (2) correspondingly; correspondingly, the scraper seat (1) is symmetrically provided with one on two sides along the central line of the length direction, the scraper mounting grooves (101) and the inclined pressing block mounting grooves (102) are communicated with each other and are symmetrically arranged side by side, and each inclined pressing block mounting groove (102) is provided with two inclined pressing block mounting grooves.
7. Doctor blade clamping device for manufacturing three-dimensional objects according to claim 1, characterised in that the pressure-receiving surface (302) is a horizontal surface or a sloping surface.
8. Doctor blade clamping device for manufacturing three-dimensional objects according to claim 1, characterised in that the adjusting screw (31) is a socket head cap screw.
9. The doctor blade clamping device for manufacturing three-dimensional objects according to claim 1, characterised in that the supporting block (32) is connected with the doctor blade holder (1) by means of a fastening screw (4), and the fastening screw (4) is a socket head cap screw.
10. An apparatus for manufacturing a three-dimensional object, comprising the doctor blade holder as claimed in any one of claims 1-9, further comprising a connecting block (5) and a cantilever (6), wherein both long sides of the doctor blade holder (1) are connected with the connecting block (5), both short sides of the doctor blade holder (1) are equally distributed with the cantilever (6), and the cantilever (6) is connected with the doctor blade holder (1) and the connecting block (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222810302.8U CN218701315U (en) | 2022-10-25 | 2022-10-25 | Apparatus for manufacturing three-dimensional object and doctor blade clamping device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222810302.8U CN218701315U (en) | 2022-10-25 | 2022-10-25 | Apparatus for manufacturing three-dimensional object and doctor blade clamping device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218701315U true CN218701315U (en) | 2023-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222810302.8U Active CN218701315U (en) | 2022-10-25 | 2022-10-25 | Apparatus for manufacturing three-dimensional object and doctor blade clamping device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218701315U (en) |
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- 2022-10-25 CN CN202222810302.8U patent/CN218701315U/en active Active
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