CN210923529U - 3D prints part forming process surface hardness on-line monitoring device - Google Patents
3D prints part forming process surface hardness on-line monitoring device Download PDFInfo
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- CN210923529U CN210923529U CN201921676064.8U CN201921676064U CN210923529U CN 210923529 U CN210923529 U CN 210923529U CN 201921676064 U CN201921676064 U CN 201921676064U CN 210923529 U CN210923529 U CN 210923529U
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Abstract
The utility model belongs to the technical field of 3D printing equipment detection, a 3D printing part forming process surface hardness on-line monitoring device is disclosed, which comprises a workbench, a laser, a spectrometer, a light path device, a reflector, an electric control displacement device, a computer and a support, wherein the electric control displacement device, the laser and the support are sequentially arranged on the workbench, the laser is arranged below the reflector, the light path device is arranged on one side of the electric control displacement device, and the computer is arranged above the workbench; install this device in the 3D printing apparatus forming chamber, in 3D printing part forming process, can carry out pulse laser to the part that has already formed in real time and shine and produce plasma, gather plasma spectral data to the surface hardness of this shaping position of aassessment, guarantee that 3D prints the whole surface hardness of part and accords with the design requirement through online real-time detection hardness, avoid the hardness phenomenon that does not reach standard because of unpredictable factor produces in forming process.
Description
Technical Field
The utility model belongs to the technical field of 3D printing apparatus detects, very much relate to a 3D prints part forming process surface hardness on-line monitoring device.
Background
3D printing is one of the rapid prototyping technologies, which is a technology for constructing an object by using a bondable material such as powdered metal or plastic and the like in a layer-by-layer printing mode on the basis of a digital model file; the 3D printing is usually implemented by a digital technology material printer, and is often used for manufacturing models in the fields of mold manufacturing, industrial design, and the like, and then gradually used for direct manufacturing of some products, and there are already parts printed by using this technology. The technology has applications in jewelry, footwear, industrial design, construction, engineering and construction (AEC), automotive, aerospace, dental and medical industries, education, geographic information systems, civil engineering, firearms, and other fields.
In the existing 3D printing technology, some mechanical parts with surface hardness requirements cannot be used at once, and the hardness of the mechanical parts needs to be detected and can be used only according with the hardness requirements of the parts; the traditional hardness detection method, such as a Vickers hardness test, often needs to perform destructive sampling on a detection target, is not suitable for the application requirement of one-step forming of a 3D printing part, cannot detect all parts of the part while the detection is inaccurate, and therefore the detection precision is not high, and whether the hardness of the part reaches the standard cannot be guaranteed.
Disclosure of Invention
The utility model aims at providing a 3D prints part forming process surface hardness on-line monitoring device and method for solve above-mentioned involving to some mechanical parts that have the surface hardness requirement and can't come into operation at once, need detect its hardness, accord with the hardness requirement of spare part and just can use; the traditional hardness detection method, such as a Vickers hardness test, often needs to perform destructive sampling on a detection target, is not suitable for the application requirement of one-step forming of a 3D printing part, cannot detect all parts of the part while the detection is inaccurate, and therefore the detection precision is not high, and whether the hardness of the part reaches the standard cannot be guaranteed.
The utility model provides a solution, provide a 3D prints part forming process surface hardness on-line monitoring device, including workstation, laser instrument, spectrum appearance, light path device, speculum, automatically controlled displacement device, computer and support, automatically controlled displacement device, laser instrument and support set gradually on the workstation, the support includes the first support that is equipped with and is used for supporting the speculum and the second support that is used for supporting the spectrum appearance, the laser instrument is arranged in the speculum below and is used for reflecting pulse laser to the light path device through the speculum, the light path device sets up and is used for assembling pulse laser to detecting sample and collecting the produced signal of the plasma of detecting sample on one side of automatically controlled displacement device near detecting sample, automatically controlled displacement device sets up between light path device and speculum and is used for conveying the plasma light signal that the light path device collected to the spectrum appearance through optic fibre, the computer is arranged above the workbench and is connected with the spectrometer to receive the electric signal converted by the spectrometer and process the plasma spectrum of the detected sample.
Further preferably, the optical path device includes a first focusing lens for converging the pulsed laser, a first holding frame for fixing the first focusing lens, a second focusing lens for collecting the plasma optical signal, and a second holding frame for fixing the second focusing lens, the first focusing lens is disposed above the second focusing lens, and the first holding frame and the second holding frame are disposed on the electric control displacement device.
Further preferably, the electric control displacement device comprises a first electric lifting rod used for moving the first clamping frame, a second electric lifting rod used for moving the second clamping frame and a motor respectively driving the first electric lifting rod and the second electric lifting rod, and the motor is electrically connected with the computer.
Further preferably, the first support comprises a fixed rod arranged on the workbench and a movable rod hinged to the fixed rod, and the movable rod is connected with the back of the reflector to adjust the angle between the reflector and the laser.
Further preferably, the computer is electrically connected with the laser to control the on-off of the laser.
Further preferably, a condenser is arranged on one side of the optical fiber close to the second focusing lens.
The utility model has the advantages that:
install this device in the 3D printing apparatus forming chamber, in 3D printing part forming process, can carry out pulse laser to the part that has already formed in real time and shine and produce plasma, gather plasma spectral data to the surface hardness of this shaping position of aassessment, guarantee that 3D prints the whole surface hardness of part and accords with the design requirement through online real-time detection hardness, avoid the hardness phenomenon that does not reach standard because of unpredictable factor produces in forming process.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an online surface hardness monitoring device for a 3D printing part forming process provided by an embodiment of the present application;
in the figure: 1-workbench, 2-laser, 3-spectrometer, 4-optical path device, 41-first focusing lens, 42-first holding frame, 43-second focusing lens, 44-second holding frame, 5-reflector, 6-electric control displacement device, 61-first electric lifting rod, 62-second electric lifting rod, 63-motor, 7-computer, 8-support, 81-first support, 811-fixed rod, 812-movable rod, 82-second support, 9-optical fiber, 91-condenser.
Detailed Description
The following are specific examples of the embodiments of the present application, and further describe the technical solutions of the present application, but the present application is not limited to these examples.
Fig. 1 shows according to the utility model discloses 3D prints part forming process surface hardness on-line monitoring device, including workstation 1, laser instrument 2, spectrum appearance 3, light path device 4, speculum 5, automatically controlled displacement device 6, computer 7 and support 8, automatically controlled displacement device 6, laser instrument 2 and support 8 set gradually on workstation 1, support 8 is including being equipped with the first support 81 that is used for supporting speculum 5 and being used for supporting second support 82 of spectrum appearance 3, laser instrument 2 is arranged in speculum 5 below in and is used for reflecting pulse laser to light path device 4 through speculum 5, light path device 4 sets up and is close to detection sample one side at automatically controlled displacement device 6 and is used for assembling pulse laser to detecting the sample on and collecting the produced signal of plasma that detects the sample, automatically controlled displacement device 6 sets up and is used for passing through the light with the plasma light ion signal that light path device 4 collected between light path device 4 and speculum 5 The fiber 9 is transmitted to the spectrometer 3, the computer 7 is arranged above the worktable 1, and the computer 7 is connected with the spectrometer 3 and used for receiving the electric signal converted by the spectrometer 3 and processing the plasma spectrum of the detected sample.
As a preferred embodiment, the optical path device 4 includes a first focusing lens 41 for converging the pulsed laser light, a first holding frame 42 for fixing the first focusing lens 41, a second focusing lens 43 for collecting the plasma light signal, and a second holding frame 44 for fixing the second focusing lens 43, wherein the first focusing lens 41 is disposed above the second focusing lens 43, and the first holding frame 42 and the second holding frame 44 are disposed on the electrically controlled displacement device 6.
The electrically controlled displacement device 6 of the present embodiment comprises a first electric lifting rod 61 for moving the first holding frame 42, a second electric lifting rod 62 for moving the second holding frame 44, and a motor 63 for driving the first electric lifting rod 61 and the second electric lifting rod 62 respectively, wherein the motor 63 is electrically connected with the computer 7.
The first bracket 81 may further include a fixing rod 811 disposed on the worktable 1 and a moving rod 812 hinged to the fixing rod 811, the moving rod 812 being connected to the rear surface of the reflecting mirror 5 to adjust the angle of the reflecting mirror 5 to the laser 2.
The device is placed in a 3D printing forming chamber, hardness detection can be carried out on part samples printed by a 3D printer in real time, and meanwhile, protective gas (Ar gas and the like) in the 3D printing forming chamber can provide an inert gas environment for laser-induced breakdown samples; before the laser is not used, the hinge angle between the fixed rod 811 and the movable rod 812 is adjusted, so that the pulse laser emitted by the laser 2 can be reflected to the first focusing lens 41 through the reflector 5; here, the first focusing lens 41 is disposed at one end of the first holding frame 42, and the other end of the first holding frame 42 is disposed at one end of the lifting rod of the first motorized lifting rod 61, and the first motorized lifting rod 61 can be driven by the motor 63 to make the lifting rod send displacement, so as to further control the movement of the first focusing lens 41 in the vertical direction; similarly, the second focusing lens 43 is disposed at one end of the second holding frame 44, the other end of the second holding frame 44 is disposed at one end of the lifting rod of the second electric lifting rod 62, and the second electric lifting rod 62 can be driven by the motor 63 to make the lifting rod send displacement, so as to further control the movement of the second focusing lens 43 in the vertical direction; the angle between the second focusing lens 43 and the sample to be detected can be adjusted to better collect the plasma light signal (as shown in FIG. 1, the dotted line represents light); the distance from the second focusing lens 43 to the worktable 1 needs to be adjusted, so that the plasma optical signal collected by the second focusing lens 43 is concentrated at one end of the optical fiber 9; for better light signal collection in this embodiment, a condenser 91 is disposed on the side of the optical fiber 9 close to the second focusing lens 43, and the condenser 91 may be a condenser of SK8 series; the computer 7 is here used to display and process the plasma spectrum and also to control the timing of the operation of the laser 2 and spectrometer 3 and the movement of the electrically controlled displacement device 6.
The laser 2 of this embodiment may be a Nd: YAG pulse laser for generating high energy pulse laser light to excite the sample to generate plasma.
It should be noted that the first holding frame 42 and the second holding frame 44 have the same shape, and the holding ends can be similar to clips for clamping a section of the focusing lens, and the other end can be clamped at one end of the lifting rod.
It should be noted that the surface hardness measured by the device is Vickers hardness, and before the Vickers hardness is measured, the surface of the sample needs to be polished to be flat and smooth by using sand paper.
The specific embodiments described herein are merely illustrative of the spirit of the application. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the present application as defined by the appended claims.
Claims (6)
1. The utility model provides a 3D prints part forming process surface hardness on-line monitoring device which characterized in that: including workstation (1), laser instrument (2), spectrum appearance (3), light path device (4), speculum (5), automatically controlled displacement device (6), computer (7) and support (8), automatically controlled displacement device (6), laser instrument (2) and support (8) set gradually on workstation (1), support (8) are including being equipped with first support (81) that are used for supporting speculum (5) and second support (82) that are used for supporting spectrum appearance (3), speculum (5) below is arranged in to be used for reflecting pulse laser to light path device (4) through speculum (5) on, light path device (4) set up and are close to detection sample one side at automatically controlled displacement device (6) and are used for assembling pulse laser to detecting on the sample and collect the produced signal of plasma that detects the sample, automatically controlled displacement device (6) set up and are used for adorning the light path between light path device (4) and speculum (5) and are used for installing the light path The plasma optical signal collected by the device (4) is transmitted to the spectrometer (3) through an optical fiber (9), the computer (7) is arranged above the workbench (1), and the computer (7) is connected with the spectrometer (3) and used for receiving the electric signal converted by the spectrometer (3) and processing the plasma spectrum of the detected sample.
2. The 3D printing part forming process surface hardness on-line monitoring device of claim 1, wherein: the light path device (4) comprises a first focusing lens (41) used for converging pulse laser, a first clamping frame (42) used for fixing the first focusing lens (41), a second focusing lens (43) used for collecting plasma light signals and a second clamping frame (44) used for fixing the second focusing lens (43), wherein the first focusing lens (41) is arranged above the second focusing lens (43), and the first clamping frame (42) and the second clamping frame (44) are arranged on the electric control displacement device (6).
3. The 3D printing part forming process surface hardness on-line monitoring device of claim 2, characterized in that: the electric control displacement device (6) comprises a first electric lifting rod (61) used for moving the first clamping frame (42), a second electric lifting rod (62) used for moving the second clamping frame (44) and a motor (63) respectively driving the first electric lifting rod (61) and the second electric lifting rod (62), wherein the motor (63) is electrically connected with the computer (7).
4. The 3D printing part forming process surface hardness on-line monitoring device of claim 1, wherein: the first support (81) comprises a fixing rod (811) arranged on the workbench (1) and a moving rod (812) hinged to the fixing rod (811), and the moving rod (812) is connected with the back of the reflector (5) and used for adjusting the angle between the reflector (5) and the laser (2).
5. The 3D printing part forming process surface hardness on-line monitoring device of claim 1, wherein: the computer (7) is also electrically connected with the laser (2) to control the on-off of the laser (2).
6. The 3D printing part forming process surface hardness on-line monitoring device of claim 2, characterized in that: and a condenser (91) is arranged on one side of the optical fiber (9) close to the second focusing lens (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921676064.8U CN210923529U (en) | 2019-10-09 | 2019-10-09 | 3D prints part forming process surface hardness on-line monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921676064.8U CN210923529U (en) | 2019-10-09 | 2019-10-09 | 3D prints part forming process surface hardness on-line monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210923529U true CN210923529U (en) | 2020-07-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921676064.8U Expired - Fee Related CN210923529U (en) | 2019-10-09 | 2019-10-09 | 3D prints part forming process surface hardness on-line monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210923529U (en) |
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2019
- 2019-10-09 CN CN201921676064.8U patent/CN210923529U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |