CN112453429A - Block type laser selective melting supporting structure - Google Patents
Block type laser selective melting supporting structure Download PDFInfo
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- CN112453429A CN112453429A CN202011313268.2A CN202011313268A CN112453429A CN 112453429 A CN112453429 A CN 112453429A CN 202011313268 A CN202011313268 A CN 202011313268A CN 112453429 A CN112453429 A CN 112453429A
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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
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
Abstract
The invention discloses a block type laser selective melting support structure which comprises a bottom plate, a base plate, a support plate and a motor, wherein telescopic rods are fixedly arranged on one side of the top of the base plate, four groups of telescopic rods are arranged, one ends of the four groups of telescopic rods are fixedly connected with one side of the bottom of the support plate, a first fixing base is fixedly connected to one side of the bottom of the support plate, the first fixing bases are arranged in two groups, first fixing rods are rotatably arranged on the inner sides of the two groups of first fixing bases, one ends of the two groups of first fixing rods are respectively and fixedly connected with a first threaded sleeve and a second threaded sleeve, a first fixing plate is fixedly connected to one side of the top of the base plate, a threaded rod is rotatably arranged on one side of the first fixing plate. According to the invention, by changing part of the structure of the traditional selective laser melting support structure, the lifting of the support structure is more stable, and the influence on the molding quality of a workpiece is reduced.
Description
Technical Field
The invention belongs to the technical field of additive manufacturing, and particularly relates to a segmented selective laser melting support structure.
Background
The selective laser melting technology is an important technical branch of additive manufacturing technology, the technology takes laser as a processing heat source and is mainly used for processing metal materials, the technology has high processing flexibility and high material utilization rate, and a large number of metal parts which are difficult to process in the aerospace field can be formed by utilizing the technology. The selective laser melting technology overcomes the trouble caused by manufacturing metal parts with complex shapes by the traditional technology, and can directly form metal parts which are nearly fully compact and have good mechanical properties. In the selective laser melting process, many parts cannot be directly formed due to the existence of a geometrical suspended structure, a certain amount of support needs to be added outside the parts to serve as a forming foundation of the parts, and the support becomes an indispensable technical element in the selective laser melting technology.
The existing sectional type selective laser melting support structure is unstable in lifting, and can affect the molding quality of a workpiece when the workpiece is supported, so that the support structure is not beneficial to use. Therefore, a sectional type selective laser melting support structure is provided to solve the problems in the prior art.
Disclosure of Invention
The invention aims to provide a sectional type selective laser melting support structure, which realizes more stable lifting of the support structure and reduces the influence on the molding quality of a workpiece by changing part of the structure of the traditional selective laser melting support structure, so as to solve the problem that the molding quality of the workpiece is influenced due to the unstable lifting of the support structure in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a sectional type laser selective melting supporting structure comprises a bottom plate, a base plate, a supporting plate and a motor, wherein telescopic rods are fixedly arranged on one side of the top of the base plate, four groups of telescopic rods are arranged on the telescopic rods, one ends of the four groups of telescopic rods are fixedly connected with one side of the bottom of the supporting plate, a first fixing base is fixedly connected with one side of the bottom of the supporting plate, two groups of first fixing bases are arranged, first fixing rods are rotatably arranged on the inner sides of the two groups of first fixing bases, one ends of the two groups of first fixing rods are fixedly connected with a first threaded sleeve and a second threaded sleeve respectively, a first fixing plate is fixedly connected with one side of the top of the base plate, a threaded rod is rotatably arranged on one side of the first fixing plate, one end of the threaded rod is fixedly connected with one end of the motor, the motor is arranged, the damping device is characterized in that a damping sleeve is fixedly mounted on one side of the top of the base plate and provided with four groups, a first sliding rod is inserted into the four groups of damping sleeves, one end of each group of first sliding rod penetrates through the damping sleeve to be fixedly connected with one side of the top of the base plate, a damping mechanism is mounted on one side of the top of the base plate, and one side of each damping mechanism is rotatably connected with one side of the bottom of the base plate.
Preferably, the surface of the threaded rod is respectively provided with a left-handed thread and a right-handed thread, the left-handed thread is matched with the first thread sleeve, and the right-handed thread is matched with the second thread sleeve.
Preferably, a rolling bearing is installed on one side of the first fixing plate, and one end of the threaded rod is installed inside the rolling bearing.
Preferably, a coupler is fixedly mounted at one end of the motor, one end of the coupler is fixedly connected with one end of the threaded rod, and the motor is set to be a forward and reverse rotation speed reduction motor.
Preferably, damper includes second dead lever and second fixed plate, the second dead lever is provided with two sets ofly, and is two sets of second dead lever one end all rotates with base plate bottom one side to be connected, and is two sets of the equal fixedly connected with sliding sleeve of second dead lever one end, the second fixed plate is provided with two sets ofly, and is two sets of the equal fixed mounting of second fixed plate is in bottom plate top one side, and is two sets of the inboard fixed mounting of second fixed plate has the second slide bar, and is two sets of the equal slidable mounting of sliding sleeve is on the second slide bar, and is two sets of all be provided with first spring between sliding sleeve and the second fixed plate, and is two sets of first spring all cup joints on.
Preferably, a second fixing base is fixedly mounted on one side of the bottom of the substrate, and the two groups of second fixing rods are rotatably mounted on the inner side of the second fixing base.
Preferably, two sets of the equal fixedly connected with fourth fixed plate of second dead lever one end, it is two sets of the fourth fixed plate all rotates through the round pin axle and installs at second unable adjustment base inboard, and is two sets of the fixed orifices has all been seted up to fourth fixed plate one side, and is two sets of round pin axle one end all passes inside the fixed orifices, and is two sets of fourth fixed plate one side all sets up to the arc structure.
Preferably, four sets of first slide bar outside all overlaps and is equipped with the second spring, the laminating of second spring top and base plate bottom one side, the laminating of second spring bottom and bottom plate top one side.
Preferably, two sets of equal fixedly connected with third fixed plate of first dead lever one end, it is two sets of the third fixed plate all rotates through the round pin axle and installs at first unable adjustment base inboard, and is two sets of the through-hole has all been seted up to third fixed plate one side, and is two sets of round pin axle one end is passed inside the through-hole, and is two sets of third fixed plate one side all sets up to the arc structure.
The invention has the technical effects and advantages that: compared with the prior art, the block type laser selective melting support structure provided by the invention has the following advantages:
1. according to the invention, by changing part of the structure of the traditional selective laser melting support structure, four groups of telescopic rods are added at the bottom of the support plate and changing the lifting mode of the support plate, when the support structure is used, the motor is started, the motor rotates to drive the threaded rod to rotate, and the threaded rod rotates to enable the first threaded sleeve and the second threaded sleeve to move oppositely or reversely, so that the included angle formed by the first fixed rod and the support plate is increased or decreased, the height of the support plate is adjusted, the telescopic rods can further enhance the lifting stability of the support plate, the lifting of the support structure is more stable in the mode, and the influence on the molding quality of a workpiece is reduced.
2. The base plate is damped through the damping mechanism, the damping sleeve is matched with the first sliding rod for use to perform auxiliary damping on the damping mechanism, meanwhile, the stability of the whole mechanism can be improved, when the base plate 2 vibrates, the second fixing rod 19 can be acted by force, and the second fixing rod 19 can be acted by force to enable the sliding sleeve 21 to slide on the second sliding rod 22 and extrude the first spring 23, so that the damping is reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a right side view of the present invention;
FIG. 3 is a schematic cross-sectional view of a first fixing base according to the present invention;
FIG. 4 is a schematic structural view of a second fixing base according to the present invention;
FIG. 5 is a partial cross-sectional structural view of the base plate of the present invention.
In the figure: 1. a base plate; 2. a substrate; 3. a support plate; 4. a telescopic rod; 5. a first stationary base; 6. a first fixing lever; 7. a first threaded sleeve; 8. a second threaded sleeve; 9. a first fixing plate; 10. a threaded rod; 11. a motor; 12. a damping sleeve; 13. a first slide bar; 14. a damping mechanism; 15. left-handed threads; 16. right-hand threads; 17. a rolling bearing; 18. a coupling; 19. a second fixing bar; 20. a second fixing plate; 21. a sliding sleeve; 22. a second slide bar; 23. a first spring; 24. a second stationary base; 25. a fourth fixing plate; 26. a second spring; 27. and a third fixing plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a block type laser selective melting support structure as shown in figures 1-5, which comprises a bottom plate 1, a base plate 2, a support plate 3 and a motor 11, wherein the bottom plate 1 is used for installing a damping mechanism 14 and a first slide rod 13, the base plate 2 is used for installing a telescopic rod 4, a first fixing plate 9 and the motor 11, the support plate 3 is used for supporting a workpiece, the telescopic rod 4 is fixedly installed on one side of the top of the base plate 2, the telescopic rod 4 can increase the lifting stability of the support plate 3, the telescopic rods 4 are provided with four groups, one end of each of the four groups of telescopic rods 4 is fixedly connected with one side of the bottom of the support plate 3, the first fixing base 5 is used for installing a first fixing rod 6, the first fixing bases 5 are provided with two groups, the inner sides of the two groups of the first fixing bases 5, one end of each of the two groups of first fixing rods 6 is fixedly connected with a first threaded sleeve 7 and a second threaded sleeve 8 respectively, the first threaded sleeves 7, the second threaded sleeves 8 and a threaded rod 10 are matched for use and are used for adjusting the height of the supporting plate 3, one side of the top of the base plate 2 is fixedly connected with a first fixing plate 9, the first fixing plate 9 is used for installing the threaded rod 10, one side of the first fixing plate 9 is rotatably provided with the threaded rod 10, one end of the threaded rod 10 is fixedly connected with one end of a motor 11, the motor 11 is used for driving the threaded rod 10, the motor 11 is installed on one side of the top of the base plate 2, the first threaded sleeves 7 and the second threaded sleeves 8 are both installed on the threaded rod 10 in a threaded manner, one side of the top of the base plate 2 is fixedly provided with a damping sleeve 12, the damping sleeve 12 can increase friction force, the damping sleeve 12 is matched with a first sliding, one end of each of the four first sliding rods 13 penetrates through the damping sleeve 12 to be fixedly connected with one side of the top of the bottom plate 1, a damping mechanism 14 is installed on one side of the top of the bottom plate 1, one side of each damping mechanism 14 is rotatably connected with one side of the bottom of the base plate 2, and the damping mechanisms 14 are used for damping the base plate 2.
The surface of the threaded rod 10 is respectively provided with a left-handed thread 15 and a right-handed thread 16, the left-handed thread 15 is matched with the first thread bush 7, the right-handed thread 16 is matched with the second thread bush 8, and the left-handed thread 15 and the right-handed thread 16 are used for being matched with the first thread bush 7 and the second thread bush 8 to adjust the height of the supporting plate 3.
A rolling bearing 17 is installed on one side of the first fixing plate 9, one end of the threaded rod 10 is installed inside the rolling bearing 17, and the rolling bearing 17 is used for rotatably installing the threaded rod 10.
A coupler 18 is fixedly installed at one end of the motor 11, and the coupler 18 is used for fixedly connecting one end of the motor 11 with one end of the threaded rod 10. One end of the coupler 18 is fixedly connected with one end of the threaded rod 10, and the motor 11 is a forward and reverse rotation speed reduction motor, so that the threaded rod 10 can be driven to adjust the height of the supporting plate 3 conveniently.
The shock absorption mechanism 14 comprises a second fixed rod 19 and a second fixed plate 20, the second fixed rod 19 is used for installing a sliding sleeve 21, the second fixed plate 20 is used for installing a second sliding rod 22, the second fixed rod 19 is provided with two groups, one end of each group of second fixed rods 19 is rotatably connected with one side of the bottom of the base plate 2, one end of each group of second fixed rods 19 is fixedly connected with the sliding sleeve 21, the sliding sleeve 21 and a first spring 23 are matched for use for shock absorption, the second fixed plate 20 is provided with two groups, the two groups of second fixed plates 20 are fixedly installed on one side of the top of the base plate 1, the inner sides of the two groups of second fixed plates 20 are fixedly provided with the second sliding rods 22, the second sliding rods 22 are used for installing the sliding sleeve 21 and the first spring 23, and simultaneously the moving stability of the sliding sleeve 21 can also be increased, the two groups of sliding sleeves 21, two sets of first springs 23 are sleeved on the second slide bar 22.
A second fixing base 24 is fixedly installed on one side of the bottom of the base plate 2, the two groups of second fixing rods 19 are installed on the inner side of the second fixing base 24 in a rotating mode, and the second fixing base 24 is used for installing the second fixing rods 19 in a rotating mode.
19 equal fixedly connected with fourth fixed plate 25 of two sets of second dead levers one end, fourth fixed plate 25 is convenient for rotate installation second dead lever 19, two sets of fourth fixed plates 25 are all installed at 24 inboards of second unable adjustment base through the round pin axle rotation, it is more convenient through round pin axle installation fourth fixed plate 25, the fixed orifices has all been seted up to two sets of fourth fixed plates 25 one side, the fixed orifices is used for the round pin axle to pass, two sets of round pin axle one end all passes inside the fixed orifices, two sets of fourth fixed plates 25 one side all set up to the arc structure, fourth fixed plate 25 one side sets up to the arc structure fourth fixed plate 25 of being convenient for.
The outsides of the four groups of first sliding rods 13 are all sleeved with second springs 26, the second springs 26 are used for assisting the damping mechanism 14 to further damp, the tops of the second springs 26 are attached to one side of the bottom of the base plate 2, and the bottoms of the second springs 26 are attached to one side of the top of the bottom plate 1.
Two sets of 6 one ends of first dead lever equal fixedly connected with third fixed plate 27, third fixed plate 27 is convenient for rotate the first dead lever 6 of installation, two sets of third fixed plates 27 all rotate through the round pin axle and install 5 inboards at first unable adjustment base, it is more convenient through round pin axle installation third fixed plate 27, the through-hole has all been seted up to two sets of third fixed plates 27 one side, the through-hole is used for the round pin axle to pass, inside two sets of round pin axle one end passed the through-hole, two sets of third fixed plates 27 one side all set up to the arc structure, third fixed plate 27 one side sets up to the arc structure third.
Working principle or structural principle: when the supporting structure is used, the motor 11 is started, the motor 11 rotates to drive the threaded rod 10 to rotate, the threaded rod 10 rotates to enable the first threaded sleeve 7 and the second threaded sleeve 8 to move oppositely or move reversely, so that an included angle formed by the first fixing rod 6 and the supporting plate 3 is increased or decreased, the height of the supporting plate 3 is adjusted, and when the height of the supporting plate 3 is adjusted, the telescopic rod 4 can further enhance the lifting stability of the supporting plate 3, so that the lifting of the supporting structure is more stable, and the influence on the forming quality of a workpiece is reduced; the supporting structure can generate vibration during operation, so that the base plate 2 vibrates, the damping mechanism 14 on the bottom plate 1 can reduce the vibration of the base plate 2, the second fixing rod 19 can be acted by force when the base plate 2 vibrates, the second fixing rod 19 can be acted by force, so that the sliding sleeve 21 can slide on the second sliding rod 22 and extrude the first spring 23, so that the damping is reduced, and meanwhile, the damping sleeve 12 and the first sliding rod 13 are matched for use, so that the damping mechanism 14 can be assisted for damping.
In the description of the present invention, it should be further noted that, unless otherwise specifically stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, connected through an intermediate medium, or connected through the insides of two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.
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 may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a district formula laser selection district melts bearing structure, includes bottom plate (1), base plate (2), backup pad (3) and motor (11), its characterized in that: the telescopic rod (4) is fixedly installed on one side of the top of the base plate (2), the telescopic rod (4) is provided with four groups, one end of each of the four groups of telescopic rods (4) is fixedly connected with one side of the bottom of the supporting plate (3), one side of the bottom of the supporting plate (3) is fixedly connected with the first fixing base (5), the first fixing base (5) is provided with two groups, the inner sides of the two groups of the first fixing bases (5) are respectively and rotatably installed with the first fixing rod (6), one ends of the two groups of the first fixing rods (6) are respectively and fixedly connected with the first threaded sleeve (7) and the second threaded sleeve (8), one side of the top of the base plate (2) is fixedly connected with the first fixing plate (9), one side of the first fixing plate (9) is rotatably installed with the threaded rod (10), one end of the threaded rod (10) is fixedly connected with one end, first thread bush (7) and the equal screw thread of second thread bush (8) are installed on threaded rod (10), base plate (2) top one side fixed mounting has damping cover (12), damping cover (12) are provided with four groups, four groups damping cover (12) inside grafting has first slide bar (13), four groups damping cover (12) one end is passed damping cover (12) and bottom plate (1) top one side fixed connection, damper (14) are installed to bottom plate (1) top one side, damper (14) one side is equal base plate (2) bottom one side and is rotated the connection.
2. The segmented selective laser melting support structure of claim 1, wherein: the threaded rod (10) surface is provided with left-handed screw (15) and right-handed screw (16) respectively, left-handed screw (15) and first thread bush (7) match the setting, right-handed screw (16) and second thread bush (8) match the setting.
3. The segmented selective laser melting support structure of claim 1, wherein: a rolling bearing (17) is installed on one side of the first fixing plate (9), and one end of the threaded rod (10) is installed inside the rolling bearing (17).
4. The segmented selective laser melting support structure of claim 1, wherein: the motor is characterized in that a coupler (18) is fixedly mounted at one end of the motor (11), one end of the coupler (18) is fixedly connected with one end of the threaded rod (10), and the motor (11) is arranged to be a forward and reverse rotation speed reduction motor.
5. The segmented selective laser melting support structure of claim 1, wherein: damper (14) include second dead lever (19) and second fixed plate (20), second dead lever (19) are provided with two sets ofly, and are two sets of second dead lever (19) one end all rotates with base plate (2) bottom one side and is connected, and is two sets of equal fixedly connected with sliding sleeve (21) of second dead lever (19) one end, second fixed plate (20) are provided with two sets ofly, and are two sets of equal fixed mounting in bottom plate (1) top one side of second fixed plate (20), and are two sets of inboard fixed mounting of second fixed plate (20) has second slide bar (22), and is two sets of equal slidable mounting of sliding sleeve (21) is on second slide bar (22), and is two sets of all be provided with first spring (23) between sliding sleeve (21) and second fixed plate (20), and is two sets of first spring (23) all cup joint on second slide bar (22).
6. The segmented selective laser melting support structure of claim 5, wherein: a second fixing base (24) is fixedly mounted on one side of the bottom of the base plate (2), and the two groups of second fixing rods (19) are rotatably mounted on the inner side of the second fixing base (24).
7. The segmented selective laser melting support structure of claim 6, wherein: two sets of the equal fixedly connected with fourth fixed plate (25) of second dead lever (19) one end, it is two sets of fourth fixed plate (25) all rotate through the round pin axle and install in second unable adjustment base (24) inboard, and are two sets of the fixed orifices has all been seted up to fourth fixed plate (25) one side, and is two sets of round pin axle one end all passes inside the fixed orifices, and is two sets of fourth fixed plate (25) one side all sets up to the arc structure.
8. The segmented selective laser melting support structure of claim 1, wherein: the four sets of first slide bars (13) outside all the cover is equipped with second spring (26), second spring (26) top and base plate (2) bottom one side laminating, second spring (26) bottom and bottom plate (1) top one side laminating.
9. The segmented selective laser melting support structure of claim 1, wherein: two sets of equal fixedly connected with third fixed plate (27) of first dead lever (6) one end, it is two sets of third fixed plate (27) all rotate through the round pin axle and install in first unable adjustment base (5) inboard, and are two sets of through-hole has all been seted up to third fixed plate (27) one side, and is two sets of round pin axle one end is passed inside the through-hole, and is two sets of third fixed plate (27) one side all sets up to the arc structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011313268.2A CN112453429A (en) | 2020-11-20 | 2020-11-20 | Block type laser selective melting supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011313268.2A CN112453429A (en) | 2020-11-20 | 2020-11-20 | Block type laser selective melting supporting structure |
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| CN112453429A true CN112453429A (en) | 2021-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011313268.2A Pending CN112453429A (en) | 2020-11-20 | 2020-11-20 | Block type laser selective melting supporting structure |
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| DE102016104677A1 (en) * | 2016-03-14 | 2017-09-14 | Cl Schutzrechtsverwaltungs Gmbh | Plant for the additive production of three-dimensional objects |
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| CN209615256U (en) * | 2019-01-03 | 2019-11-12 | 天津盈海精密机械有限公司 | Support device is used in a kind of processing of electric baseboard |
| CN111421138A (en) * | 2019-10-14 | 2020-07-17 | 江苏科技大学 | Movable combined type selective laser melting metal additive manufacturing movable substrate |
| CN111822706A (en) * | 2020-07-09 | 2020-10-27 | 杭州喜马拉雅信息科技有限公司 | Metal 3D printing equipment capable of reducing defects of formed parts |
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2020
- 2020-11-20 CN CN202011313268.2A patent/CN112453429A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016011995A1 (en) * | 2014-07-25 | 2016-01-28 | Technische Universität Dortmund | Device for three-dimensional additive printing operations, in particular for large-volume components, in particular according to the method of fused deposition molding (fdm) |
| DE102016104677A1 (en) * | 2016-03-14 | 2017-09-14 | Cl Schutzrechtsverwaltungs Gmbh | Plant for the additive production of three-dimensional objects |
| CN207128275U (en) * | 2017-07-06 | 2018-03-23 | 毛亚静 | A kind of new 3D printer |
| CN109332473A (en) * | 2018-11-21 | 2019-02-15 | 湖南南光精密机械有限公司 | A kind of Production of bearing perforating press with shock-absorbing function |
| CN209615256U (en) * | 2019-01-03 | 2019-11-12 | 天津盈海精密机械有限公司 | Support device is used in a kind of processing of electric baseboard |
| CN111421138A (en) * | 2019-10-14 | 2020-07-17 | 江苏科技大学 | Movable combined type selective laser melting metal additive manufacturing movable substrate |
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Application publication date: 20210309 |