CN209918888U - Double-motor powder laying advancing device for selective laser melting equipment - Google Patents
Double-motor powder laying advancing device for selective laser melting equipment Download PDFInfo
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- CN209918888U CN209918888U CN201920501248.4U CN201920501248U CN209918888U CN 209918888 U CN209918888 U CN 209918888U CN 201920501248 U CN201920501248 U CN 201920501248U CN 209918888 U CN209918888 U CN 209918888U
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- linear module
- servo motor
- connecting piece
- scraper
- selective laser
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Abstract
A double-motor powder laying advancing device for selective laser melting equipment. The utility model discloses a linear module, connecting piece, servo motor, scraper blade subassembly, servo motor, connecting piece, linear module and work platform and servo motor driver, power unit comprises linear module and linear module, arranges the work platform both sides respectively in, and the servo motor of linear module and the servo motor of linear module drive the scraper blade subassembly as the power supply and carry out the powder action of spreading. The scraper component structure is connected with the linear module and the linear module through the connecting piece and the connecting piece respectively. The servo motor and the servo motor share the same driving signal to realize synchronous operation, and the driving signal controls the servo motor to move at the required speed. The beneficial effects of the utility model are that the powder scraper is spread in the drive that can safe and reliable stable carries out reciprocal marcing, and the scraper precision of marcing is unanimous and can not cause mechanical card to die, and can prevent that machinery from taking place unexpected collision.
Description
Technical Field
The utility model relates to a spread powder advancing device, concretely relates to two motor shop powder advancing device that is used for laser election district melting equipment.
Background
The selective laser melting equipment integrates the technologies of laser, machinery, control, materials and the like. The cross section profile of the part is scanned through a fine laser focusing spot, and the part is manufactured by stacking and forming layer by layer, so that the metal part with any shape and complete metallurgical bonding is directly obtained.
The selective laser melting technology is used as an important mode for manufacturing parts, and has the main advantages that the layered manufacturing technology is adopted, a formed part is not influenced by geometric complexity, any complex part can be directly manufactured and formed, the selective laser melting technology is suitable for manufacturing small-batch complex parts, a high-power-density optical fiber laser is used, the beam mode is good, the spot diameter is small, the forming precision is high, the metallurgical bonding is good, and the performance of the selective laser melting technology exceeds that of a traditional casting.
The powder laying quality and the powder laying efficiency are extremely important in selective laser melting equipment, the forming precision is directly influenced by the quality of the powder laying quality, and the powder laying efficiency determines the production efficiency of parts. Most of the existing powder spreading advancing devices are controlled by a motor. Some of the two linear guide rails are driven by the belt to move simultaneously, so that the precision is reduced and the powder laying quality is reduced after a large amount of reciprocating motion is carried out; some of the linear guide rails are driven by a motor, and then the other linear guide rail is driven by the linear guide rail through a rigid connecting piece or a scraper, so that the scraper is easy to incline due to inconsistent actions because one linear guide rail is driven and the other linear guide rail is driven, and even the scraper is blocked by machinery under the condition of higher speed, and the machine needs to be stopped for maintenance.
SUMMERY OF THE UTILITY MODEL
For quality, stability and the efficiency of spreading the powder of improvement, the utility model provides a spread powder advancing device for laser election district melting equipment, this utility model can spread the powder scraper through the drive of the parallel linear module safe and reliable stability of both sides and reciprocate to advance, and the scraper accuracy of advancing is unanimous and can not cause the mechanical card to die.
The utility model provides a technical scheme that its technical problem adopted is: the utility model discloses an including first linear module, first connecting piece, first servo motor, scraper blade subassembly, second servo motor, second connecting piece, second linear module and work platform and servo motor driver, power unit comprises first linear module and second linear module, arranges 7 both sides of work platform in respectively, and the first servo motor of first linear module and the second servo motor of second linear module drive scraper blade subassembly 4 as the power supply and carry out the powder paving action. The scraper component 4 structure is connected with the first linear module and the second linear module through the first connecting piece and the second connecting piece respectively.
Furthermore, the first servo motor and the second servo motor share the same driving signal to realize synchronous operation, and the driving signal controls the servo motors to move at the required speed.
Furthermore, limit switches are respectively arranged at the head and tail positions inside the first linear module and the second linear module, the linear modules can be prevented from being in over-position operation, and as long as one of the linear modules is out of range, all servo motors stop working, and the linear modules stop.
Furthermore, limit switches arranged end to end in the first linear module and the second linear module are used for adjusting zero points in the initial stage of the device.
Linear module can be purchased in the market, and the theory of operation is the modularization product that realizes repeated linear motion through ball silk or hold-in range and linear guide's as main power, and linear module uses servo motor to drive scraper blade subassembly execution shop powder reciprocating motion as the power supply.
The beneficial effects of the utility model are that the powder scraper is spread in the drive that can safe and reliable stable carries out reciprocal marcing, and the scraper precision of marcing is unanimous and can not cause mechanical card to die, and can prevent that machinery from taking place unexpected collision.
Drawings
The above and/or other aspects and advantages of the present invention will become more apparent and more readily appreciated from the following further description of the invention, taken in conjunction with the accompanying drawings, which are given by way of illustration only and not by way of limitation, wherein:
FIG. 1 is a schematic view of the overall structure of the present invention;
the components represented by the respective reference numerals are as follows:
1, a first linear module; 2, a first connecting piece; 3, a first servo motor; 4, a scraper component; 5, a second servo motor; 6, a second connecting piece; 7, a second linear module; 8, a working platform
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings, but the embodiments of the present invention are not limited thereto.
Firstly, in the initial stage of the equipment operation, the first servo motor and the second servo motor adjust the zero position of the device at the speed of 1-5mm/s under the action of feedback signals of limit switches arranged in the linear module 1 and the second linear module from head to tail.
The driving equipment of the servo motor simultaneously sends the same driving signal to the first servo motor (3) and the second servo motor (5), the first servo motor (3) drives the first linear module (1), and the second servo motor (5) drives the second linear module (7) to perform 1-100mm/s speed synchronous linear motion to accurately reach a preset position.
The first linear module (1) drives one end of the scraper component (4) through the first connecting piece (2), and the second linear module (7) drives the other end of the scraper component through the second connecting piece (6), so that the scraper component can do reciprocating linear motion to spread powder according to a preset requirement.
The limit switches at the two ends of the linear module can stop the servo motor when the linear module is in the over-position operation, so that misoperation caused by uncertain factors is prevented.
The above is a preferred embodiment of the present invention, but the present invention is not limited to the above, and other changes, modifications, substitutions, combinations and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalent replacements and all fall within the protection scope of the present invention.
Claims (4)
1. The utility model provides a powder advancing device is spread to bi-motor for selective laser melting equipment which characterized in that: the device comprises a first linear module (1), a first connecting piece (2), a first servo motor (3), a scraper component (4), a second servo motor (5), a second connecting piece (6), a second linear module (7), a working platform (8) and a servo motor driver (9); the power mechanism consists of a first linear module (1) and a second linear module (7) which are respectively arranged at two sides of the working platform (8); the scraper component (4) is connected with the first linear module (1) and the second linear module (7) through a first connecting piece (2) and a second connecting piece (6) respectively.
2. The dual-motor powder spreading advancing device for the selective laser melting equipment as claimed in claim 1, wherein the first linear module (1) and the second linear module (7) are placed at two ends of the working platform (8) in parallel and are separated by 500-600 mm.
3. The dual-motor powder spreading traveling device for the selective laser melting equipment as claimed in claim 1, wherein the first servo motor (3) and the second servo motor (5) are driven by the same servo motor driver (9) to achieve traveling synchronization.
4. The double-motor powder spreading and advancing device for the selective laser melting equipment as claimed in claim 1, wherein limit switches are respectively arranged at the head and tail positions inside the first linear module (1) and the second linear module (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920501248.4U CN209918888U (en) | 2019-04-15 | 2019-04-15 | Double-motor powder laying advancing device for selective laser melting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920501248.4U CN209918888U (en) | 2019-04-15 | 2019-04-15 | Double-motor powder laying advancing device for selective laser melting equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209918888U true CN209918888U (en) | 2020-01-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920501248.4U Active CN209918888U (en) | 2019-04-15 | 2019-04-15 | Double-motor powder laying advancing device for selective laser melting equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209918888U (en) |
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2019
- 2019-04-15 CN CN201920501248.4U patent/CN209918888U/en active Active
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