CN114160815B - Bidirectional scraper for 3D printing - Google Patents
Bidirectional scraper for 3D printing Download PDFInfo
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- CN114160815B CN114160815B CN202210077604.0A CN202210077604A CN114160815B CN 114160815 B CN114160815 B CN 114160815B CN 202210077604 A CN202210077604 A CN 202210077604A CN 114160815 B CN114160815 B CN 114160815B
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- fixedly connected
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- scraper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/60—Planarisation devices; Compression devices
- B22F12/67—Blades
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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
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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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention provides a bidirectional scraper for 3D printing, which belongs to the technical field of 3D printing and comprises a printing platform, wherein symmetrically-distributed powder cylinders are arranged on the printing platform, symmetrically-distributed forming cylinders are arranged on the printing platform, symmetrically-distributed powder overflow cylinders are arranged on the printing platform, and a transmission frame is fixedly connected to the top of the printing platform. The invention solves the problems that common 3D printing equipment is low in unidirectional working efficiency, when an object protrudes out of a printing platform and moves left and right in the powder spreading process, the scraper can collide with the protrusion and can not stop in time, equipment damage is caused, and the scraper is inconvenient to detach and install.
Description
Technical field:
the invention belongs to the technical field of 3D printing, and particularly relates to a bidirectional scraper for 3D printing.
The background technology is as follows:
a 3D printing, namely a rapid prototyping technology, also called additive manufacturing, is a technology for constructing objects by using powdery metal or plastic and other bondable materials in a layer-by-layer printing mode based on digital model files. 3D printing is typically implemented using a digital technology material printer. Often in the fields of mould manufacture, industrial design, etc., are used to manufacture models, and later gradually in the direct manufacture of some products, parts have been printed using this technique. The technology has application 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 existing common powder spreading mechanism of the 3D metal printer is generally a cantilever mechanism, and the screw rod drives the cantilever and the scraper or the powder spreading roller to reciprocate and linearly to finish the powder spreading action. The utility model provides a need single cantilever operation scraper or spread powder roller in this kind of structure and carry out multiple reciprocating action and accomplish shop powder, shop powder inefficiency to the scraper is spreading powder in-process, will take place the striking with the projection when having object protrusion print platform, can't stop in time when the scraper moves about, can cause equipment damage, when the scraper damages, inconvenient dismantlement installation scraper, proposes a 3D prints with two-way scraper from this.
The invention comprises the following steps:
the invention provides a bidirectional scraper for 3D printing, which aims to solve the problems that common 3D printing equipment is low in unidirectional working efficiency, and when an object protrudes out of a printing platform scraper to move left and right in the powder paving process, the scraper collides with a protrusion and cannot stop in time, so that equipment is damaged, and the scraper is inconvenient to detach and install.
The invention provides a bidirectional scraper for D printing, which comprises a printing platform, wherein symmetrically-distributed powder cylinders are arranged on the printing platform, symmetrically-distributed forming cylinders are arranged on the printing platform, symmetrically-distributed powder overflow cylinders are arranged on the printing platform, a transmission frame is fixedly connected to the top of the printing platform, a partition plate is fixedly connected to the middle part of the inner side of the transmission frame, symmetrically-distributed motors are fixedly connected to the left side and the right side of the printing platform, threaded rods are fixedly connected to the output ends of the two motors, moving blocks are connected to the outer sides of the threaded rods in a threaded manner, connecting blocks are fixedly connected to the front sides of the two moving blocks, powder spreading arms are fixedly connected to the front sides of the two connecting blocks, a moving plate is connected to the inner sides of the powder spreading arms in a sliding manner, first springs which are uniformly distributed are arranged at the top of the moving plate, two connecting buffer components which are symmetrically distributed in the front and the rear are fixedly connected, a rotating shaft is connected between the connecting buffer components, a connecting plate is fixedly connected to the bottom of the outer side, a connecting plate is fixedly connected to the bottom of the rotating shaft, connecting plate is fixedly connected to the right side of the rotating shaft, connecting plates are fixedly connected to the rotating shaft and the rotating shaft are fixedly connected to the rotating shaft and the buffer components which are fixedly connected to the inner side buffer components.
Further, connect buffer assembly includes supporting shoe, ring channel, rotation groove, first buffer block, second buffer block and second spring, the bottom fixed connection of supporting shoe and movable plate, the ring channel is seted up and is close to one side of connecting plate at the supporting shoe, the inboard at the supporting shoe is seted up to the rotation groove, first buffer block is provided with two, two upper and lower symmetric distribution of first buffer block and with the one end fixed connection that the pivot stretched into the rotation groove, the second buffer block is provided with two, two the second buffer block all is arranged in the rotation groove and with the inside wall fixed connection of supporting shoe, the second spring is provided with four, four the second spring is located respectively between first buffer block and the second buffer block.
Through adopting above-mentioned technical scheme, utilize and connect buffer unit when the scraper runs into the protrusion influence and spread powder, can make the scraper slope cushion, prevent that the hard collision of scraper from causing the damage.
Further, the warning stop assembly comprises contact pins, insulating plates, contact electric plates and warning lamps, wherein the contact pins are fixedly connected with the outer side of the rear end of the rotating shaft, the insulating plates are located in the annular grooves and are fixedly connected with the supporting blocks, the contact electric plates are arranged in two, the contact electric plates are symmetrically distributed on the two sides of the insulating plates and are fixedly connected with the supporting blocks, and the warning lamps are arranged in two, and the warning lamps are all arranged on the front side of the transmission frame.
Through adopting above-mentioned technical scheme, utilize warning stop subassembly can when scraper and protrusion take place the contact slope, make the warning light and remind the staff to send contact signal to control panel, utilize control panel control to go wrong one side's motor stop operation, prevent to enlarge the damage.
Further, fixed subassembly includes fixed plate, electro-magnet, third spring, magnetic path and fixture block, the bottom fixed connection of fixed plate and connecting plate, electro-magnet, third spring, magnetic path and fixture block all are provided with a plurality ofly, and is a plurality of the electro-magnet all with fixed plate fixed connection, a plurality of the one end of third spring and the outside fixed connection of corresponding electro-magnet, a plurality of the other end fixed connection of magnetic path and the third spring of correspondence, a plurality of the fixture block and the outside fixed connection of the magnetic path of correspondence.
Through adopting above-mentioned technical scheme, utilize fixed subassembly can fix the scraper fast, convenient dismantlement.
Further, the slot that matches with the scraper has been seted up to the bottom of fixed plate, a plurality of standing grooves have been seted up to the inboard of fixed plate, and is a plurality of electro-magnet, third spring and magnetic path all are located corresponding standing groove, magnetic path and fixed plate sliding connection, the connecting hole that matches with the fixture block has been seted up in the top outside of scraper.
Through adopting above-mentioned technical scheme, utilize the slot to insert the scraper, make standing groove and connecting hole align, power on the electro-magnet through control panel, can make the fixture block enter into in the connecting hole, realize the connection of scraper and fixed plate fast.
Further, the front side of the transmission frame is provided with an opening matched with the connecting block, the inner side of the transmission frame is provided with a moving cavity matched with the moving block, and one end of the threaded rod, far away from the motor, is rotationally connected with the partition plate.
Through adopting above-mentioned technical scheme, utilize the removal chamber to restrict the movable block, the opening restricts the connecting block, can make shop's powder arm stable removal spread the powder.
Further, the top of first spring and shop's powder arm's interior roof fixed connection, the bottom of first spring and the top fixed connection of movable plate, the limiting plate is the arc, shop's powder arm's interior diapire is the arc setting and with limiting plate phase-match.
Through adopting above-mentioned technical scheme, utilize first spring, movable plate when the scraper receives the barrier of protruding thing, can rise, reduce the injury of collision to the scraper, utilize limiting plate when the scraper receives the collision to produce the slope, can be in shop's powder arm's inboard slip, assist to when normally spreading the powder, can prevent that the dust from entering into shop's powder arm in.
Further, the transmission frame outside is provided with control panel, control panel's model is the GKB10UIR, contact electric plate, contact needle, warning light, motor and electro-magnet all are connected with the control panel electricity, the magnetism of magnetic path and electro-magnet is the same.
Compared with the prior art, the technical scheme provided by the invention has the following beneficial technical effects:
1. according to the invention, two scrapers are used for paving powder simultaneously, so that the working efficiency is improved, in the powder paving process, protrusions are arranged on the surface of the printing platform, the scrapers are inclined when being contacted with the protrusions, damage to the scrapers caused by impact is reduced, meanwhile, the contact pins are contacted with the contact electric plate along with rotation change of the rotating shaft, at the moment, the control panel receives an electric signal of the contact pins contacted with the contact electric plate, so that the warning lamp is lightened to remind a worker, meanwhile, the control panel controls the motor of the scraper at the collision side to stop, the continuous working is prevented after the contact of the scraper with the protrusions, the damage to the scraper is enlarged, and meanwhile, the motor at the non-collision side is continuously operated, so that the production is ensured, and the production efficiency is improved.
2. In the invention, the electromagnet is electrified or powered off, when the electromagnet is electrified, the electromagnet generates magnetism to repel the magnetic block so that the magnetic block drives the clamping block to enter the connecting hole, the scraper is fixedly connected with the fixed plate, and when the electromagnet is powered off, the third spring resets to drive the clamping block to be far away from the connecting hole, so that the scraper can be disassembled, and the scraper can be quickly installed and disassembled to improve the working efficiency.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.
Description of the drawings:
the accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of a partially cut-away structure of the present invention;
FIG. 3 is a schematic view of the inner side structure of the powder spreading arm of the present invention;
FIG. 4 is a schematic diagram of the left-hand structure of the powder spreading arm of the present invention;
FIG. 5 is a schematic view of a left-hand cross-sectional structure of a support block of the present invention;
FIG. 6 is an enlarged schematic view of the structure shown in FIG. 3A;
fig. 7 is a schematic elevational cross-sectional view of the present invention.
Reference numerals: 1. a printing platform; 2. a powder cylinder; 3. a forming cylinder; 4. a powder overflow cylinder; 5. a transmission frame; 6. a motor; 7. a threaded rod; 8. a partition plate; 9. a powder spreading arm; 10. a moving plate; 11. a first spring; 12. connecting a buffer component; 121. a support block; 122. an annular groove; 123. a rotating groove; 124. a first buffer block; 125. a second buffer block; 126. a second spring; 13. a rotating shaft; 14. a connecting plate; 15. a limiting plate; 16. a scraper; 17. a fixing assembly; 171. a fixing plate; 172. an electromagnet; 173. a third spring; 174. a magnetic block; 175. a clamping block; 18. a warning stop assembly; 181. a contact pin; 182. an insulating plate; 183. contacting the electric plate; 184. a warning light; 19. a moving block; 20. and (5) connecting a block.
The specific embodiment is as follows:
in order to make the objects, technical solutions and advantages of the technical solutions of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of specific embodiments of the present invention. Like reference numerals in the drawings denote like parts. It should be noted that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be made by a person skilled in the art without creative efforts, based on the described embodiments of the present invention fall within the protection scope of the present invention.
As shown in fig. 1-7, the invention provides a bidirectional scraper for 3D printing, which comprises a printing platform 1, wherein symmetrically-distributed powder cylinders 2 are installed on the printing platform 1, symmetrically-distributed forming cylinders 3 are installed on the printing platform 1, symmetrically-distributed powder overflow cylinders 4 are installed on the printing platform 1, a transmission frame 5 is fixedly connected to the top of the printing platform 1, a partition plate 8 is fixedly connected to the middle part of the inner side of the transmission frame 5, motors 6 which are symmetrically distributed are fixedly connected to the left side and the right side of the printing platform 1, threaded rods 7 are fixedly connected to the output ends of the two motors 6, moving blocks 19 are fixedly connected to the outer sides of the two threaded rods 7, connecting blocks 20 are fixedly connected to the front sides of the two moving blocks 19, powder paving arms 9 are fixedly connected to the front sides of the two connecting blocks 20, moving plates 10 are slidingly connected to the inner sides of the two connecting blocks 20, first springs 11 which are uniformly distributed are arranged on the top of the moving plates 10, two connecting buffer components 12 which are symmetrically distributed in front and back are fixedly connected, a rotating shaft 13 is rotatably connected between the connecting buffer components 12, the outer sides of the rotating shaft 13 are fixedly connected to the bottom of the moving plates 14, connecting plates 14 which are fixedly connected to the inner sides of the rotating shaft 13, connecting plates 14 are fixedly connected to the connecting plates 17, and the connecting plates 17 are fixedly connected to the bottom of the connecting plates 17, and the connecting plates are fixedly connected to the rotating shafts 16 are fixedly connected to the connecting plates 16.
The connecting buffer assembly 12 comprises a supporting block 121, annular grooves 122, rotating grooves 123, first buffer blocks 124, second buffer blocks 125 and second springs 126, wherein the supporting block 121 is fixedly connected with the bottom of the movable plate 10, the annular grooves 122 are formed in one side, close to the connecting plate 14, of the supporting block 121, the rotating grooves 123 are formed in the inner side of the supporting block 121, the first buffer blocks 124 are arranged in two, vertically and symmetrically distributed, and are fixedly connected with one end, extending into the rotating grooves 123, of the rotating shaft 13, the second buffer blocks 125 are arranged in two, the two second buffer blocks 125 are all arranged in the rotating grooves 123 and are fixedly connected with the inner side wall of the supporting block 121, the four second springs 126 are respectively arranged between the first buffer blocks 124 and the second buffer blocks 125, and when the scraper 16 is in contact with a protrusion to affect powder paving, the scraper 16 can be inclined to buffer by utilizing the connecting buffer assembly 12, and damage caused by hard collision of the scraper 16 is prevented.
The warning stop assembly 18 comprises a contact pin 181, an insulating plate 182, a contact electric plate 183 and warning lamps 184, wherein the contact pin 181 is fixedly connected with the outer side of the rear end of the rotating shaft 13, the insulating plate 182 is positioned in the annular groove 122 and fixedly connected with the supporting block 121, the contact electric plate 183 is provided with two contact electric plates 183 which are symmetrically distributed on two sides of the insulating plate 182 and fixedly connected with the supporting block 121, the warning lamps 184 are provided with two warning lamps 184, the two warning lamps 184 are all arranged on the front side of the transmission frame 5, the warning stop assembly 18 can enable the warning lamps 184 to light to remind workers when the scraper 16 is in contact with the protrusion for tilting, and a contact signal is sent to the control panel, and the motor 6 on one side with a problem is controlled by the control panel to stop operation, so that the expansion damage is prevented.
The fixed subassembly 17 includes fixed plate 171, electro-magnet 172, third spring 173, magnetic path 174 and fixture block 175, fixed plate 171 and the bottom fixed connection of connecting plate 14, electro-magnet 172, third spring 173, magnetic path 174 and fixture block 175 all are provided with a plurality ofly, a plurality of electro-magnets 172 all with fixed plate 171 fixed connection, the outside fixed connection of a plurality of third springs 173 and corresponding electro-magnet 172, the other end fixed connection of a plurality of magnetic path 174 and corresponding third spring 173, a plurality of fixture block 175 and the outside fixed connection of corresponding magnetic path 174 utilize fixed subassembly 17 can be fixed to scraper 16 fast, convenient dismantlement.
The slot that matches with scraper 16 has been seted up to the bottom of fixed plate 171, a plurality of standing grooves have been seted up to the inboard of fixed plate 171, a plurality of electromagnets 172, third spring 173 and magnetic path 174 all are located corresponding standing groove, magnetic path 174 and fixed plate 171 sliding connection, the connecting hole that matches with fixture block 175 has been seted up in the top outside of scraper 16, utilize the slot to insert scraper 16, make standing groove and connecting hole align, in passing through control panel and giving electromagnet 172 the circular telegram, can make fixture block 175 enter into the connecting hole, realize the connection of scraper 16 and fixed plate 171 fast.
The front side of the transmission frame 5 is provided with an opening matched with the connecting block 20, the inner side of the transmission frame 5 is provided with a moving cavity matched with the moving block 19, one end of the threaded rod 7, which is far away from the motor 6, is rotationally connected with the partition plate 8, the moving block 19 is limited by the moving cavity, the connecting block 20 is limited by the opening, and the powder laying arm 9 can stably move to lay powder.
The top of first spring 11 and shop's powder arm 9 interior roof fixed connection, the bottom of first spring 11 and the top fixed connection of movable plate 10, limiting plate 15 is the arc, shop's powder arm 9 interior diapire for the arc setting and with limiting plate 15 assorted, utilize first spring 11, movable plate 10 when doctor 16 receives the barrier of protruding thing, can rise, reduce the injury of collision to doctor 16, utilize limiting plate 15 when doctor 16 receives the collision to produce the slope, can slide in shop's powder arm 9 inboard, assist, and when normally shop the powder, can prevent that the dust from entering into shop's powder arm 9.
The transmission frame 5 outside is provided with control panel, and control panel's model is GKB10UIR, and contact electric plate 183, contact needle 181, warning light 184, motor 6 and electro-magnet 172 all are connected with control panel electricity, and the magnetism of magnetic path 174 and electro-magnet 172 is the same.
The implementation mode specifically comprises the following steps: when powder is spread, the motor 6 is started, the output end of the motor 6 drives the threaded rod 7 to rotate so as to enable the moving block 19 and the connecting block 20 to move, the powder spreading arm 9 is further enabled to move so as to drive the scrapers 16 to move, the two scrapers 16 are simultaneously spread with powder to improve the working efficiency, in the powder spreading process, the surface of the printing platform 1 is provided with bulges, the scrapers 16 are contacted with the bulges to exert force on the scrapers 16, the scrapers 16 are transmitted to the fixed assembly 17 and the connecting plate 14 by force, the rotating shaft 13 is enabled to rotate, the rotating shaft 13 rotates so as to drive the first buffer block 124 to rotate, the first buffer block 124 rotates so as to exert pressure on the second spring 126 to shrink or stretch the second spring 126, the scrapers 16 are enabled to incline, damage caused by impact is reduced, meanwhile, the position of the contact pins 181 is changed along with the rotation of the rotating shaft 13, the contact electric plates 183 are contacted with the contact pins 181, at the moment, an electric signal of the contact pins 181 contacted with the contact electric plates 183 is received, a warning lamp 184 is enabled to be on, and the control panel is used for controlling the motor 6 of the scrapers 16 on one side of collision is stopped, the motor 16 is prevented from being continuously damaged after the bulges are contacted with the bulges, the motor is enabled to work, the continuous production efficiency is enabled to be continuously enlarged, and the production efficiency is guaranteed, and the production efficiency of one side of the scrapers 16 is not continuously is guaranteed;
and when needs are installed and dismantled scraper 16, switch on or break off the electricity through control panel to electro-magnet 172, when the circular telegram, electro-magnet 172 produces magnetism and repels magnetic path 174 and make magnetic path 174 drive fixture block 175 enter into the connecting hole, make scraper 16 and fixed plate 171 fastening connection, third spring 173 resets when breaking the electricity and drives fixture block 175 and keep away from the connecting hole, can dismantle scraper 16 this moment, can realize quick installation and dismantle scraper 16 improvement work efficiency.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a 3D prints and uses two-way scraper, includes printing platform (1), its characterized in that, install powder jar (2) of symmetric distribution on printing platform (1), install shaping jar (3) of symmetric distribution on printing platform (1), install powder jar (4) of symmetric distribution on printing platform (1), the top fixedly connected with transmission frame (5) of printing platform (1), the inboard middle part fixedly connected with baffle (8) of transmission frame (5), the left and right both sides fixedly connected with motor (6) of symmetric distribution of printing platform (1), two the equal fixedly connected with threaded rod (7) of output of motor (6), two equal threaded connection in the outside of threaded rod (7) has movable block (19), two equal fixedly connected with connecting block (20) of front side of movable block (19), two equal fixedly connected with shop's powder arm (9) of front side, the inboard sliding connection of shop's powder arm (9) has movable plate (10), the equal fixedly connected with of movable plate (10) has first spring (12) of symmetric distribution, two the front end of motor (6) all fixedly connected with threaded rod (7) has movable block (20), the automatic warning device is characterized in that a connecting plate (14) is fixedly connected to the bottom of the outer side of the rotating shaft (13), limiting plates (15) are fixedly connected to the left side and the right side of the connecting plate (14), a fixing assembly (17) is arranged at the bottom of the connecting plate (14), a scraper (16) is arranged on the inner side of the fixing assembly (17), and a warning stopping assembly (18) is arranged on the rotating shaft (13), the connecting buffer assembly (12) located at the rear side and the transmission frame (5).
2. The bi-directional doctor blade for 3D printing according to claim 1, wherein: the utility model provides a connect buffer assembly (12) includes supporting shoe (121), ring channel (122), rotates groove (123), first buffer block (124), second buffer block (125) and second spring (126), the bottom fixed connection of supporting shoe (121) and movable plate (10), one side that is close to connecting plate (14) at supporting shoe (121) is seted up in ring channel (122), the inboard at supporting shoe (121) is seted up in rotating groove (123), first buffer block (124) are provided with two, two first buffer block (124) upper and lower symmetric distribution and with pivot (13) stretch into the one end fixed connection of rotating groove (123), second buffer block (125) are provided with two, two second buffer block (125) all are arranged in rotating groove (123) and with the inside wall fixed connection of supporting shoe (121), second spring (126) are provided with four, four second spring (126) are located respectively between first buffer block (124) and second buffer block (125).
3. The bi-directional doctor blade for 3D printing according to claim 2, wherein: the warning stop assembly (18) comprises contact pins (181), insulating plates (182), contact electric plates (183) and warning lamps (184), wherein the contact pins (181) are fixedly connected with the outer side of the rear end of the rotating shaft (13), the insulating plates (182) are located in the annular grooves (122) and are fixedly connected with the supporting blocks (121), the contact electric plates (183) are provided with two, the two contact electric plates (183) are symmetrically distributed on two sides of the insulating plates (182) and are fixedly connected with the supporting blocks (121), and the two warning lamps (184) are arranged on the two sides of the transmission frame (5).
4. A bi-directional doctor blade for 3D printing according to claim 3, wherein: the fixing assembly (17) comprises a fixing plate (171), electromagnets (172), third springs (173), magnetic blocks (174) and clamping blocks (175), wherein the fixing plate (171) is fixedly connected with the bottom of the connecting plate (14), a plurality of electromagnets (172), the third springs (173), the magnetic blocks (174) and the clamping blocks (175) are all arranged, the electromagnets (172) are fixedly connected with the fixing plate (171), one ends of the third springs (173) are fixedly connected with the outer sides of the corresponding electromagnets (172), a plurality of the magnetic blocks (174) are fixedly connected with the other ends of the corresponding third springs (173), and a plurality of the clamping blocks (175) are fixedly connected with the outer sides of the corresponding magnetic blocks (174).
5. The bi-directional doctor blade for 3D printing as claimed in claim 4, wherein: the bottom of fixed plate (171) is offered and is matchd the slot with scraper (16), a plurality of standing grooves have been seted up to the inboard of fixed plate (171), and is a plurality of electro-magnet (172), third spring (173) and magnetic path (174) are all located the standing groove that corresponds, magnetic path (174) and fixed plate (171) sliding connection, the connecting hole with fixture block (175) matching has been seted up in the top outside of scraper (16).
6. The bi-directional doctor blade for 3D printing according to claim 1, wherein: the front side of the transmission frame (5) is provided with an opening matched with the connecting block (20), the inner side of the transmission frame (5) is provided with a moving cavity matched with the moving block (19), and one end of the threaded rod (7) far away from the motor (6) is rotationally connected with the partition plate (8).
7. The bi-directional doctor blade for 3D printing according to claim 1, wherein: the top of first spring (11) is fixed connection with the interior roof of shop's powder arm (9), the bottom of first spring (11) is fixed connection with the top of movable plate (10), limiting plate (15) are the arc, the interior diapire of shop's powder arm (9) is the arc setting and with limiting plate (15) assorted.
8. The bi-directional doctor blade for 3D printing as claimed in claim 4, wherein: the transmission frame (5) outside is provided with control panel, control panel's model is GKB10UIR, contact electric plate (183), contact needle (181), warning light (184), motor (6) and electro-magnet (172) all are connected with the control panel electricity, magnetism of magnetic path (174) and electro-magnet (172) is the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210077604.0A CN114160815B (en) | 2022-01-24 | 2022-01-24 | Bidirectional scraper for 3D printing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210077604.0A CN114160815B (en) | 2022-01-24 | 2022-01-24 | Bidirectional scraper for 3D printing |
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| Publication Number | Publication Date |
|---|---|
| CN114160815A CN114160815A (en) | 2022-03-11 |
| CN114160815B true CN114160815B (en) | 2023-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210077604.0A Active CN114160815B (en) | 2022-01-24 | 2022-01-24 | Bidirectional scraper for 3D printing |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114570951B (en) * | 2022-03-21 | 2023-06-16 | 南京铖联激光科技有限公司 | Uniform powder spreading device for 3D printer |
| CN114570946B (en) * | 2022-03-24 | 2023-09-19 | 南京铖联激光科技有限公司 | Laser instrument for 3D printer |
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| CN113320155A (en) * | 2021-05-29 | 2021-08-31 | 深圳意动航空科技有限公司 | Spread powder and scrape whitewashed device |
| CN215508991U (en) * | 2021-08-11 | 2022-01-14 | 南京铖联激光科技有限公司 | Scraper anticollision mechanism |
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2022
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| WO2019109434A1 (en) * | 2017-12-07 | 2019-06-13 | 窦鹤鸿 | Powder laying system and 3d printer |
| CN210851326U (en) * | 2019-05-06 | 2020-06-26 | 河北敬业增材制造科技有限公司 | Two-way shop powder device that 3D printed |
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| CN111376474A (en) * | 2020-03-26 | 2020-07-07 | 湖南云箭集团有限公司 | Powder falling and bidirectional powder laying device suitable for additive manufacturing |
| CN212045993U (en) * | 2020-03-26 | 2020-12-01 | 湖南云箭集团有限公司 | Two-way powder structure of spreading suitable for vibration material disk |
| CN113320155A (en) * | 2021-05-29 | 2021-08-31 | 深圳意动航空科技有限公司 | Spread powder and scrape whitewashed device |
| CN215508991U (en) * | 2021-08-11 | 2022-01-14 | 南京铖联激光科技有限公司 | Scraper anticollision mechanism |
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| CN114160815A (en) | 2022-03-11 |
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