CN209867365U - Micro powder supply and forming device for embedding of selective melting additive manufacturing equipment - Google Patents
Micro powder supply and forming device for embedding of selective melting additive manufacturing equipment Download PDFInfo
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- CN209867365U CN209867365U CN201920429922.2U CN201920429922U CN209867365U CN 209867365 U CN209867365 U CN 209867365U CN 201920429922 U CN201920429922 U CN 201920429922U CN 209867365 U CN209867365 U CN 209867365U
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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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
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Abstract
The utility model discloses a micro powder supply and forming device for embedding of selective melting additive manufacturing equipment, wherein a plunger A is arranged in a feeding cylinder A and moves along the axis of the feeding cylinder A; one end of the plunger A, which is far away from the feeding cylinder A, is fixedly arranged on the lower substrate A; the linear module A comprises a moving part A and a fixed part A, and the moving part A moves on the fixed part A; the fixed part A is fixedly arranged on the lower substrate A, and the moving part A is connected to the feeding cylinder A through a fixed connecting plate A. The utility model discloses selective area melts that vibration material disk equipment inlays and uses trace confession powder and forming device, and the lathe bed that does not need vibration material disk equipment sets up special installation interface, also need not reform transform vibration material disk equipment's lathe bed, so can be applicable to all commercial selective area laser vibration material disk equipment to very big reduction the vibration material disk cost when printing less part.
Description
Technical Field
The utility model relates to a selective area melts vibration material disk and makes technical field, concretely relates to selective area melts vibration material disk and inlays and use trace and supply powder and forming device for manufacturing equipment.
Background
The selective melting additive manufacturing technology is one of the existing mature additive manufacturing technologies, has the characteristics of high forming precision, excellent surface quality and the like, can be used for manufacturing parts in the fields of aviation, aerospace, ships, automobiles, energy sources, chemical engineering, medical treatment and the like, has wide application prospect and huge market, and has huge demand on selective laser melting additive manufacturing equipment and huge number of users. The feeding cylinder of the current commercial selective melting additive manufacturing equipment has a certain size and has the defect that the powder material consumption is not adjustable. To enable additive manufacturing of larger size structural members, selective melting additive manufacturing equipment is often configured with larger size feed and forming cylinders. When the feeding cylinder and the forming cylinder are of a certain size, the feeding cylinder with a larger size needs more sintering powder to perform additive manufacturing. This can increase the cost of additive manufacturing, especially when developing processes for printing small parts, processes and powders, which is a particular problem.
A patent application published in the chinese patent document library and entitled "a bed structure of a laser additive manufacturing equipment capable of micro-feeding" (CN205183785U) discloses a bed structure of a laser additive manufacturing equipment capable of micro-feeding. However, this structure requires the bed of the additive manufacturing apparatus to have a mounting interface, or requires modification of the bed of the additive manufacturing apparatus, and is not suitable for all commercial selective laser additive melting additive manufacturing apparatuses.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that prior art needs more sintering powder just can carry out vibration material disk when printing less part, improves vibration material disk's cost, and aim at provides the election district and melts vibration material disk and supply powder and forming device with trace for vibration material disk equipment inlays, solves above-mentioned problem.
The utility model discloses a following technical scheme realizes:
the micro powder supply and forming device embedded in the selective melting additive manufacturing equipment comprises a supply tool system and a forming tool system; the feeding tool system feeds materials to the forming tool system, and the forming tool system performs additive forming on parts; the feeding tool system comprises a linear module A, a feeding cylinder A, a lower substrate A, a plunger A and a fixed connecting plate A; the plunger A is arranged in the feeding cylinder A and moves along the axis of the feeding cylinder A; one end of the plunger A, which is far away from the feeding cylinder A, is fixedly arranged on the lower substrate A; the linear module A comprises a moving part A and a fixed part A, and the moving part A moves on the fixed part A; the fixed part A is fixedly arranged on the lower substrate A, and the moving part A is connected to the feeding cylinder A through a fixed connecting plate A; the forming tool system comprises a material receiving cylinder, a lower substrate B, an upper substrate, a forming cylinder A, a plunger B, a linear module B and a fixed connecting plate B; the plunger B is arranged in the forming cylinder A and moves along the axis of the forming cylinder A; one end of the plunger B, which is far away from the forming cylinder A, is fixedly arranged on the lower substrate B; the linear module B comprises a moving part B and a fixed part B, and the moving part B moves on the fixed part B; the fixed part B is arranged on the lower substrate B, and the moving part B is connected to the upper substrate through a fixed connecting plate B; the forming cylinder A and the material receiving cylinder are fixedly arranged on the upper substrate. The moving part A drives the feeding cylinder A to move up and down through the fixed connecting plate A, and the moving part B drives the upper base plate to move up and down through the fixed connecting plate B.
The utility model discloses during the application, to sharp module A and sharp module B, fixed part A and fixed part B can be for slide rail, guide rail, various equipment that can be used for motion portion A and motion portion B to move such as spout, and motion portion A and motion portion B then can adopt servo motor, step motor etc. can be used for the part of motion on fixed part A and fixed part B, belong to more ripe technique among the prior art to the control of these parts and combination mode, so do not many here and describe again.
The utility model discloses in, feed frock system and shaping frock system belong to split type design, and two parts can be installed respectively promptly, can effectively improve the installation effectiveness like this, and the election district that adapts to more kinds of type melts the vibration-damping material disk equipment.
When the small parts need to be subjected to additive manufacturing, the feeding tool system is installed in a feeding cylinder of the selective melting additive manufacturing equipment, the forming tool system is installed in a forming cylinder of the selective melting additive manufacturing equipment, and then additive manufacturing is started. Parts needing material increase are placed in the forming cylinder A, powder for melting is added in the feeding cylinder A, the plunger A in the feeding cylinder A is adjusted by the moving part A of the linear module A, and the upper surface of the powder in the feeding cylinder A is higher than that of the upper substrate, so that the powder can be conveniently moved by the scraper. And then adjusting the height of the upper substrate through the moving part B of the linear module B to enable the upper surface of the upper substrate to be flush with or lower than the upper surface of the plunger B in the forming cylinder A to perform initial additive positioning.
And then starting laser melting additive manufacturing, when a scraper of the selective melting additive manufacturing equipment moves to the position above a feeding cylinder B of the selective melting additive manufacturing equipment, the upper substrate and a forming cylinder A are lifted through a moving part B of a linear module B, the lifting height is equal to the thickness of a single-layer manufactured by additive manufacturing, a plunger A in the feeding cylinder A is lifted through the moving part A of the linear module A, and the lifting height is 1-3 times of the thickness of the single-layer manufactured by additive manufacturing until additive manufacturing is completed.
The utility model discloses a set up above-mentioned structure, the lathe bed that does not need vibration material disk equipment sets up special installation interface, also need not reform transform vibration material disk equipment's lathe bed, so can be applicable to all commercial election district laser vibration material disk equipment to very big reduction the vibration material disk cost when printing less part.
Further, the feeding tool system comprises a control system A, and the control system A comprises a controller A, a perception sensor A and a limit switch A; the controller A is arranged on the lower substrate A, the perception sensor A and the limit switch A are both arranged on the feeding cylinder A, and the controller A is electrically connected to the moving part A, the perception sensor A and the limit switch A.
The utility model discloses during the application, limit switch A is used for restricting the high position of feed jar A for election district laser equipment, and in order to go on the utility model discloses an automated control, the inventor has adopted perception sensor A and controller A, and perception sensor A detects outside trigger signal, and the trigger signal here generally is the trigger signal of vibration material disk in-process scraper operation, and controller A then controls the motion of motion portion A according to trigger signal. Perception sensor A, limit switch A and controller A are the equipment that exists among the prior art, and controller A controls motion portion A according to trigger signal also belongs to prior art simultaneously, does not relate to the procedure and improves.
Further, the feeding tool system further comprises a power management module A and a battery A; and the power management module A and the battery A are arranged on the lower substrate A and supply power to the feeding tool system.
Further, the forming tool system comprises a control system B, and the control system B comprises a controller B, a perception sensor B and a limit switch B; the controller B is arranged on the lower substrate B, and the perception sensor B and the limit switch B are both arranged at the lower top of the upper substrate; the controller B is electrically connected with the motion part B, the perception sensor B and the limit switch B.
The utility model discloses during the application, limit switch B is used for restricting the high position of upper substrate for election district laser equipment, and in order to go on the utility model discloses an automated control, the inventor has adopted perception sensor B and controller B, and perception sensor B detects outside trigger signal, and the trigger signal here generally is the trigger signal of vibration material disk in-process scraper operation, and controller B then controls the motion of motion portion B according to trigger signal. The perception sensor B, the limit switch B and the controller B are all devices in the prior art, and meanwhile, the controller B controls the motion part B according to a trigger signal also belongs to the prior art and does not relate to program improvement.
Further, the molding tool system further comprises a power management module B and a battery B; and the power management module B and the battery B are arranged on the lower substrate B and supply power to the forming tool system.
Furthermore, through holes matched with the substrate mounting interfaces of the selective melting additive manufacturing equipment are formed in the lower substrate A and the lower substrate B, and the lower substrate A and the lower substrate B can be fixedly mounted on the substrate of the selective melting additive manufacturing equipment through the through holes and the screws.
Further, felt sealing is adopted between the forming cylinder A and the plunger B, and felt sealing is adopted between the feeding cylinder A and the plunger A.
Further, when the upper base plate moves downwards to the lowest position, the upper top surface of the upper base plate is lower than the upper end surface of the plunger B in the forming cylinder A; when the feeding cylinder A moves up to the highest position, the upper surface of the feeding cylinder A is higher than the upper end surface of the plunger A in the feeding cylinder A.
The utility model discloses during the application, when moving to the highest position on feed cylinder A, can not influence the scraper in order to guarantee plunger A, guarantee safe in utilization, so be higher than feed cylinder A inner plunger A's up end with feed cylinder A's upper surface, and when the extreme lower position was moved down to the top substrate, it is more convenient to take off the part after finishing in order to guarantee the vibration material disk, so adopted the last top surface with the top substrate to be less than forming cylinder A inner plunger B's up end.
The selective melting additive manufacturing equipment is embedded with a feeding and forming method, and comprises a forming cylinder B and a feeding cylinder B; the method comprises the following steps:
s1: lifting a reference platform in a feeding cylinder B of selective melting additive manufacturing equipment to the upper end of the feeding cylinder B, and installing a feeding tool system in the feeding cylinder B; lifting a reference platform in a forming cylinder B of selective melting additive manufacturing equipment to the upper end of the forming cylinder B, and installing a forming tool system in the forming cylinder B;
s2: the height of the upper substrate is adjusted through the motion part B of the linear module B, and the upper surface of the upper substrate is flush with or lower than the upper surface of the plunger B in the forming cylinder A;
s3: adding selective melting powder into a feeding cylinder A, and simultaneously adjusting a plunger A in the feeding cylinder A by using a moving part A of a linear module A to enable the upper surface of the powder in the feeding cylinder A to be higher than the upper surface of an upper substrate;
s4: and starting laser melting additive manufacturing, wherein when a scraper of the selective melting additive manufacturing equipment moves to the position above a feeding cylinder B of the selective melting additive manufacturing equipment, the upper base plate and the forming cylinder A are lifted by a moving part B of a linear module B, the lifting height is the thickness of a single-layer to be manufactured in an additive manufacturing mode, and a plunger A in the feeding cylinder A is lifted by the moving part A of the linear module A, and the lifting height is 1-3 times of the thickness of the single-layer to be manufactured in an additive manufacturing mode.
Further, the feeding tool system comprises a control system A, and the control system A comprises a controller A and a perception sensor A; the molding tool system comprises a control system B, and the control system B comprises a controller B and a perception sensor B; step S4 includes the following substeps: when the perception sensor A detects a scraper of the selective melting additive manufacturing equipment, the perception sensor A sends a trigger signal to the controller A, and the controller A controls the movement of the movement part A; when the perception sensor B detects a scraper of the selective melting additive manufacturing equipment, the perception sensor B sends a trigger signal to the controller B, and the controller B controls the movement of the movement part B.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
the utility model discloses selective area melts that vibration material disk equipment inlays and uses trace confession powder and forming device, and the lathe bed that does not need vibration material disk equipment sets up special installation interface, also need not reform transform vibration material disk equipment's lathe bed, so can be applicable to all commercial selective area laser vibration material disk equipment to very big reduction the vibration material disk cost when printing less part.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic structural view of a feeding tool system of the present invention;
fig. 2 is the utility model discloses shaping frock system structure schematic diagram.
Reference numbers and corresponding part names in the drawings:
1-lower substrate A, 2-plunger A, 3-feeding cylinder A, 4-limit switch A, 5-sensing sensor A, 6-fixed connecting plate A, 7-linear module A, 8-power management module A, 9-controller A, 10-battery A, 11-lower substrate B, 12-plunger B, 13-forming cylinder A, 14-upper substrate, 15-fixed connecting plate B, 16-linear module B, 17-receiving cylinder, 18-sensing sensor B, 19-power management module B, 20-battery B, 21-controller B, 22-limit switch B.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Examples
As shown in fig. 1 and 2, the micro powder supply and forming device for embedding in the selective melting additive manufacturing equipment of the present invention comprises a supply tool system and a forming tool system; the feeding tool system feeds materials to the forming tool system, and the forming tool system performs additive forming on parts;
the feeding tool system comprises a linear module A7, a feeding cylinder A3, a lower substrate A1, a plunger A2 and a fixed connecting plate A6; the plunger A2 is disposed within the feed cylinder A3, and the plunger A2 moves along the axis of the feed cylinder A3; one end of the plunger A2 far away from the feeding cylinder A3 is fixedly arranged on a lower substrate A1; the linear module A7 comprises a moving part A and a fixed part A, and the moving part A moves on the fixed part A; the fixed part A is fixedly arranged on a lower substrate A1, and the moving part A is connected to a feeding cylinder A3 through a fixed connecting plate A6;
the forming tool system comprises a material receiving cylinder 17, a lower substrate B11, an upper substrate 14, a forming cylinder A13, a plunger B12, a linear module B16 and a fixed connecting plate B15; the plunger B12 is arranged in the forming cylinder A13, and the plunger B12 moves along the axis of the forming cylinder A13; one end of the plunger B12, which is far away from the forming cylinder A13, is fixedly arranged on a lower substrate B11; the linear module B16 comprises a moving part B and a fixed part B, and the moving part B moves on the fixed part B; the fixed part B is arranged on a lower substrate B11, and the moving part B is connected to the upper substrate 14 through a fixed connecting plate B15; the forming cylinder A13 and the material receiving cylinder 17 are fixedly arranged on the upper base plate 14;
in the implementation of this embodiment, for the linear module a7 and the linear module B16, the fixed part a and the fixed part B may be various devices that can be used for the movement of the moving part a and the moving part B, such as a slide rail, a guide rail, a sliding chute, etc., and the moving part a and the moving part B may adopt components that can be used for the movement on the fixed part a and the fixed part B, such as a servo motor, a stepping motor, etc., and the control and combination modes of these components belong to the mature technologies in the prior art, so it is not repeated here.
In this embodiment, feed frock system and shaping frock system belong to split type design, and two parts can be installed respectively promptly, can effectively improve the installation effectiveness like this, adapt to the selective melting vibration material disk equipment of more variety.
When the small parts need to be subjected to additive manufacturing, the feeding tool system is installed in a feeding cylinder of the selective melting additive manufacturing equipment, the forming tool system is installed in a forming cylinder of the selective melting additive manufacturing equipment, and then additive manufacturing is started. Parts needing material addition are placed in the forming cylinder A13, powder for melting is added into the feeding cylinder A3, the plunger A2 in the feeding cylinder A3 is adjusted by the moving part A of the linear module A7, so that the upper surface of the powder in the feeding cylinder A3 is higher than that of the upper substrate, and powder movement can be conveniently carried out by a scraper. Initial additive positioning is then performed by adjusting the height of the upper base plate 14 by the moving part B of the linear die set B16 such that the upper surface of the upper base plate 14 is flush with or below the upper surface of the plunger B12 in the forming cylinder a 13.
And then starting laser melting additive manufacturing, when a scraper of the selective melting additive manufacturing equipment moves to the position above a feeding cylinder B of the selective melting additive manufacturing equipment, the upper base plate and a forming cylinder A13 are lifted by a moving part B of a linear module B16, the lifting height is the thickness of a single-layer to be manufactured in an additive manufacturing mode, a plunger A2 in the feeding cylinder A3 is lifted by a moving part A of a linear module A7, and the lifting height is 1-3 times of the thickness of the single-layer to be manufactured in an additive manufacturing mode until the additive manufacturing is completed.
In order to further explain the working condition of the present embodiment, in the present embodiment, the feeding tool system includes a control system a, where the control system a includes a controller a9, a sensor a5, and a limit switch a 4; the controller A9 is arranged on the lower substrate A1, the perception sensor A5 and the limit switch A4 are both arranged on the feeding cylinder A3, and the controller A9 is electrically connected to the moving part A, the perception sensor A5 and the limit switch A4.
The limit switch A4 is used for limiting the height position of feed cylinder A3 relative to the laser equipment of election district, and in order to carry out the utility model discloses an automated control, the inventor has adopted perception sensor A5 and controller A9, and perception sensor A5 detects external trigger signal, and the trigger signal here generally is the trigger signal of scraper operation in the vibration material disk (SG) process, and controller A9 is according to the motion of trigger signal control motion portion A.
For further explaining the power supply condition of the embodiment, the feeding tool system further comprises a power management module A8 and a battery a 10; the power management module A8 and the battery a10 are disposed on the lower substrate a1 and supply power to the feeding tool system.
In order to further explain the working condition of the embodiment, in the embodiment, the molding tooling system includes a control system B, and the control system B includes a controller B21, a sensor B18 and a limit switch B22; the controller B21 is arranged on the lower substrate B11, and the perception sensor B18 and the limit switch B22 are both arranged on the lower top of the upper substrate 14; the controller B21 is electrically connected to the moving part B, the sensor B18 and the limit switch B22.
The limit switch B22 is used for limiting the height position of the upper substrate relative to the laser equipment in the selected area, and in order to carry out the automatic control of the utility model, the inventor adopts a perception sensor B18 and a controller B21, the perception sensor B18 detects an external trigger signal, the trigger signal here is generally the trigger signal of the scraper operation in the material adding process, and the controller B21 controls the movement of the moving part B according to the trigger signal. The perception sensor B18, the limit switch B22 and the controller B21 are all devices existing in the prior art, and the controller B21 controls the moving part B according to the trigger signal also belongs to the prior art and does not relate to program improvement.
For further explaining the power supply condition of the embodiment, the molding tool system further comprises a power management module B19 and a battery B20; the power management module B19 and the battery B20 are arranged on the lower substrate B11 and supply power to the molding tool system.
In order to further illustrate the installation manner of the embodiment, in the embodiment, through holes matched with the substrate installation interfaces of the selective melting additive manufacturing apparatus are provided on both the lower substrate a1 and the lower substrate B11, and the lower substrate a1 and the lower substrate B11 may be fixedly installed on the substrate of the selective melting additive manufacturing apparatus through the through holes and the screws.
In order to further explain the sealing condition of the present embodiment, in the present embodiment, felt is used for sealing between the forming cylinder a13 and the plunger B12, and felt is used for sealing between the feeding cylinder A3 and the plunger a 2.
In order to further realize the using function, in the embodiment, when the upper base plate 14 moves downwards to the lowest position, the upper top surface of the upper base plate 14 is lower than the upper end surface of the plunger B12 in the forming cylinder A13; when the feed cylinder A3 moves up to the uppermost position, the upper surface of the feed cylinder A3 is above the upper end surface of the plunger a2 in the feed cylinder A3.
The motors in the linear module A7 and the linear module B16 can be servo motors or stepping motors, and the motors and the linear guide rails can be linearly connected, deflected by 90 degrees, arranged on the left side, arranged on the right side and arranged on the lower side, so that the right of the patent is not influenced by the selection of the types of the motors and the spatial arrangement of the motors relative to the linear guide rails;
the linear module A7 can be positioned at the left, right, front and rear sides of the feeding cylinder A3, and the change of the spatial position of the linear module A7 relative to the feeding cylinder A3 does not affect the right of the patent;
the linear die set B16 can be positioned at the left side, the right side, the front side and the rear side of the forming cylinder A13, and the change of the spatial position of the linear die set B16 relative to the forming cylinder A13 does not influence the right of the patent;
the forming cylinder A13 and the material receiving cylinder 17 can be positioned at the left side, the right side, the front side and the rear side of the upper base plate 14, and the right of the patent is not influenced by the change of the spatial positions of the forming cylinder A13 and the material receiving cylinder 17;
the perception sensor B18 and the limit switch B22 can be positioned at the left side, the right side, the front side and the rear side of the upper base plate 14, and the change of the spatial position of the perception sensor B18 does not influence the right of the patent;
the perception sensor A5 and the limit switch A4 can be positioned at the left side, the right side, the front side and the rear side of the feeding cylinder A3, and the change of the spatial position of the perception sensor A5 does not influence the right of the patent;
the controller B21, the power management module B19 and the battery B20 can be located at the left side, the right side, the front side and the rear side between the upper substrate 14 and the lower substrate B11, and the change of the spatial positions of the controller B21, the power management module B19 and the battery B20 does not affect the rights of the patent;
the controller A9, the power management module A8 and the battery A10 can be positioned at the left side, the right side, the front side and the rear side of the lower substrate A1, and the change of the spatial positions of the controller A9, the power management module A8 and the battery A10 does not influence the right of the patent;
the arrangement between the upper substrate 14 and the lower substrate B11 does not influence the right of the patent due to the arrangement of the supporting structure;
the arrangement of the supporting structure on the lower substrate A1 does not affect the right of the patent;
the utility model discloses a feeding and forming method for embedding of selective melting additive manufacturing equipment, wherein the selective melting additive manufacturing equipment comprises a forming cylinder B and a feeding cylinder B; the method comprises the following steps:
s1: lifting a reference platform in a feeding cylinder B of selective melting additive manufacturing equipment to the upper end of the feeding cylinder B, and installing a feeding tool system in the feeding cylinder B; lifting a reference platform in a forming cylinder B of selective melting additive manufacturing equipment to the upper end of the forming cylinder B, and installing a forming tool system in the forming cylinder B;
s2: adjusting the height of the upper base plate 14 by the moving part B of the linear die set B11 so that the upper surface of the upper base plate 14 is flush with or lower than the upper surface of the plunger B12 in the molding cylinder a 13;
s3: adding selective melting powder to a feed cylinder A3, and adjusting a plunger A2 in the feed cylinder A3 by a moving part A of a linear die set A7 so that the powder upper surface of the feed cylinder A3 is higher than the upper surface of the upper substrate 14;
s4: when the scraper of the selective melting additive manufacturing equipment moves to the position above the feeding cylinder B of the selective melting additive manufacturing equipment, the upper base plate 14 and the forming cylinder A13 are lifted by the moving part B of the linear die set B11 to reach the thickness of a single-layer to be additively manufactured, and the plunger A2 in the feeding cylinder A3 is lifted by the moving part A of the linear die set A7 to reach the height of 1-3 times of the thickness of the single-layer to be additively manufactured.
In order to further automatically control the utility model, the feeding tool system comprises a control system A, and the control system A comprises a controller A9 and a perception sensor A5; the forming tool system comprises a control system B, and the control system B comprises a controller B21 and a perception sensor B18;
step S4 includes the following substeps:
when the perception sensor A5 detects a scraper of the selective melting additive manufacturing equipment, the perception sensor A5 sends a trigger signal to the controller A9, and the controller A9 controls the movement of the moving part A;
when the perception sensor B18 detects the scraper of the selective melting additive manufacturing equipment, the perception sensor B18 sends a trigger signal to the controller B21, and the controller B21 controls the movement of the moving part B.
For further explanation on the working principle and the working state of the present invention, when the small-sized parts are added with materials, the complete steps are as follows:
a. turning on a power supply and a control system of the selective melting additive manufacturing equipment;
b. opening a cabin door of selective melting additive manufacturing equipment, lifting a reference platform in a forming cylinder B of the selective melting additive manufacturing equipment to the upper end of the forming cylinder B, and placing the selective melting additive manufacturing equipment in the forming cylinder B of the laser melting equipment by using a forming tool system of a trace feeding and forming device;
c. the selective melting additive manufacturing equipment is embedded in a forming tool system of the micro-feeding and forming device by using the through hole on the lower substrate B11 and a screw to be fixed in a forming cylinder B of the selective melting additive manufacturing equipment;
d. lifting a reference platform in a feeding cylinder B of selective melting additive manufacturing equipment to the upper end of the feeding cylinder B, placing a feeding tool system of a micro feeding and forming device embedded in the selective melting additive manufacturing equipment in the feeding cylinder B of the laser melting equipment, and installing and adjusting a limit switch A4;
e. fixing the feeding tool system of the micro feeding and forming device embedded in the selective melting additive manufacturing equipment in a forming cylinder B of the selective melting additive manufacturing equipment by using the through hole on the lower substrate A1 and using a screw, and installing and adjusting a limit switch B22;
f. the controller B21 is used for adjusting the height of the upper base plate 14 through the linear module B16, so that the upper surface of the upper base plate 14 is flush with or slightly lower than the upper surface of the plunger B12 in the forming cylinder A13;
e. adding selective melting powder into a feeding cylinder A3, and adjusting a plunger A2 in a feeding cylinder A3 by a linear module A7 to make the upper surface of the powder of the feeding cylinder A3 slightly higher than the upper surface of the upper substrate 14;
f. closing a forming cabin of the selective melting additive manufacturing equipment, setting laser melting technological parameters, and starting laser melting additive manufacturing;
h. in the forming process, a sensor of the control system detects a scraper of the selective melting additive manufacturing equipment, after the scraper returns to the position above a feeding cylinder A3 of the selective melting additive manufacturing equipment, the upper substrate 14 and a forming cylinder A13 are lifted through a linear module B16, and the lifting height is the thickness of a single-layer in additive manufacturing; meanwhile, the feeding cylinder A3 is lowered by the linear module A7, and the lowering height is 1 to 3 times of the thickness of a single-layer manufactured by additive manufacturing;
i. after the selective melting additive manufacturing, the selective melting additive manufacturing equipment is embedded in a trace feeding and forming device and taken out, and the laser melting additive manufacturing is completed.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. The micro powder supply and forming device embedded in the selective melting additive manufacturing equipment is characterized by comprising a supply tool system and a forming tool system; the feeding tool system feeds materials to the forming tool system, and the forming tool system performs additive forming on parts;
the feeding tool system comprises a linear module A (7), a feeding cylinder A (3), a lower substrate A (1), a plunger A (2) and a fixed connecting plate A (6); the plunger A (2) is arranged in the feeding cylinder A (3), and the plunger A (2) moves along the axis of the feeding cylinder A (3); one end of the plunger A (2) far away from the feeding cylinder A (3) is fixedly arranged on the lower substrate A (1); the linear module A (7) comprises a moving part A and a fixed part A, and the moving part A moves on the fixed part A; the fixed part A is fixedly arranged on the lower substrate A (1), and the moving part A is connected to the feeding cylinder A (3) through a fixed connecting plate A (6);
the forming tool system comprises a material receiving cylinder (17), a lower substrate B (11), an upper substrate (14), a forming cylinder A (13), a plunger B (12), a linear module B (16) and a fixed connecting plate B (15); the plunger B (12) is arranged in the forming cylinder A (13), and the plunger B (12) moves along the axis of the forming cylinder A (13); one end of the plunger B (12) far away from the forming cylinder A (13) is fixedly arranged on the lower substrate B (11); the linear module B (16) comprises a moving part B and a fixed part B, and the moving part B moves on the fixed part B; the fixed part B is arranged on a lower substrate B (11), and the moving part B is connected to an upper substrate (14) through a fixed connecting plate B (15); the forming cylinder A (13) and the material receiving cylinder (17) are fixedly arranged on the upper substrate (14);
the moving part A drives the feeding cylinder A (3) to move up and down through the fixed connecting plate A (6), and the moving part B drives the upper base plate (14) to move up and down through the fixed connecting plate B (15).
2. The micro powder supply and forming device embedded in the selective melting additive manufacturing equipment according to claim 1, wherein the supply tool system comprises a control system A, and the control system A comprises a controller A (9), a sensing sensor A (5) and a limit switch A (4); the controller A (9) is arranged on the lower substrate A (1), the perception sensor A (5) and the limit switch A (4) are arranged on the feeding cylinder A (3), and the controller A (9) is electrically connected to the moving part A, the perception sensor A (5) and the limit switch A (4).
3. The micro powder supply and forming device embedded in the selective melting additive manufacturing equipment according to claim 2, wherein the supply tool system further comprises a power management module A (8) and a battery A (10); the power management module A (8) and the battery A (10) are arranged on the lower substrate A (1) and supply power to the feeding tool system.
4. The micro powder supply and forming device embedded in the selective melting additive manufacturing equipment according to claim 1, wherein the forming tool system comprises a control system B, and the control system B comprises a controller B (21), a sensing sensor B (18) and a limit switch B (22); the controller B (21) is arranged on the lower substrate B (11), and the perception sensor B (18) and the limit switch B (22) are both arranged on the lower top of the upper substrate (14); the controller B (21) is electrically connected with the moving part B, the perception sensor B (18) and the limit switch B (22).
5. The trace powder supply and forming device embedded in selective melting additive manufacturing equipment according to claim 4, wherein the forming tool system further comprises a power management module B (19) and a battery B (20); and the power management module B (19) and the battery B (20) are arranged on the lower substrate B (11) and supply power to the forming tool system.
6. The micro powder supply and forming device embedded in the selective melting additive manufacturing equipment according to claim 1, wherein the lower substrate a (1) and the lower substrate B (11) are both provided with through holes matched with the substrate mounting interfaces of the selective melting additive manufacturing equipment, and the lower substrate a (1) and the lower substrate B (11) can be fixedly mounted on the substrate of the selective melting additive manufacturing equipment through the through holes and the screws.
7. The micro powder supply and forming device embedded in selective melting additive manufacturing equipment according to claim 1, wherein the forming cylinder A (13) and the plunger B (12) are sealed by felt, and the feeding cylinder A (3) and the plunger A (2) are sealed by felt.
8. The micro powder supply and forming device embedded in the selective melting additive manufacturing equipment according to claim 1, wherein when the upper substrate (14) moves downwards to the lowest position, the upper top surface of the upper substrate (14) is lower than the upper end surface of the plunger B (12) in the forming cylinder A (13); when the feeding cylinder A (3) moves up to the highest position, the upper surface of the feeding cylinder A (3) is higher than the upper end surface of the plunger A (2) in the feeding cylinder A (3).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920429922.2U CN209867365U (en) | 2019-04-01 | 2019-04-01 | Micro powder supply and forming device for embedding of selective melting additive manufacturing equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920429922.2U CN209867365U (en) | 2019-04-01 | 2019-04-01 | Micro powder supply and forming device for embedding of selective melting additive manufacturing equipment |
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| CN209867365U true CN209867365U (en) | 2019-12-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109834269A (en) * | 2019-04-01 | 2019-06-04 | 中国工程物理研究院机械制造工艺研究所 | Selective melting increasing material manufacturing equipment nesting micro powder supply and molding machine and method |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109834269A (en) * | 2019-04-01 | 2019-06-04 | 中国工程物理研究院机械制造工艺研究所 | Selective melting increasing material manufacturing equipment nesting micro powder supply and molding machine and method |
| CN109834269B (en) * | 2019-04-01 | 2023-10-03 | 中国工程物理研究院机械制造工艺研究所 | Micro powder supply and forming device and method for nesting selected area melting additive manufacturing equipment |
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