CN108237327A - A kind of change hot spot mechanism and the 3D printing equipment equipped with the change hot spot mechanism - Google Patents
A kind of change hot spot mechanism and the 3D printing equipment equipped with the change hot spot mechanism Download PDFInfo
- Publication number
- CN108237327A CN108237327A CN201810113493.8A CN201810113493A CN108237327A CN 108237327 A CN108237327 A CN 108237327A CN 201810113493 A CN201810113493 A CN 201810113493A CN 108237327 A CN108237327 A CN 108237327A
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- CN
- China
- Prior art keywords
- optical mirror
- mirror slip
- slip group
- hot spot
- adjustment block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/34—Laser welding for purposes other than joining
- B23K26/342—Build-up welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/10—Formation of a green body
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/40—Radiation means
- B22F12/44—Radiation means characterised by the configuration of the radiation means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/30—Process control
- B22F10/36—Process control of energy beam parameters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/90—Means for process control, e.g. cameras or sensors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
Abstract
Become hot spot mechanism and 3D printing equipment equipped with the change hot spot mechanism the invention discloses a kind of, base station is equipped with the first optical mirror slip group, the second optical mirror slip group and adjustment mechanism, adjustment mechanism includes power plant, transmission device, guide rail and the adjustment block being arranged on guide rail, power plant is connect with transmission device, transmission device is connect with adjustment block, adjustment block is connect with the first optical mirror slip group, power plant drives actuator drives adjustment block to be moved along guide rail, to adjust the distance between the first optical mirror slip group and the second optical mirror slip group.It the advantage is that, first optical mirror slip group is moved forward and backward under the action of power plant and transmission device along guide rail straight line, changes the distance between the first optical mirror slip group and the second optical mirror slip group, the offset of focus is realized, so as to fulfill the spot size variation projected in scanning system.
Description
Technical field
The present invention relates to printing device field more particularly to a kind of change hot spot mechanism and the 3D equipped with the change hot spot mechanism is beaten
Printing apparatus.
Background technology
In laser 3D printing device, traditional beam expanding lens is fixed optical path, after manually adjusting focal length, exports light
The size of spot is fixed, and is also fixed in 3D printing equipment process.3D printing industry will march toward mass production at present, wherein
There are one very big bottlenecks, are exactly printing effect problem.3D printing needs to use laser fire, successively prints, and in order to pursue essence
Degree and surface quality, laser facula size, generally require to turn down as far as possible.Laser facula is smaller, it is meant that Single Slice Mode
Path is longer, and sweep time is also longer, then printing effect does not just increase.The diameter of laser can not change, only a kind of
Diameter, when being molded larger plane, efficiency is very low, and shaping speed is slow, constrains the speed of 3D printing rapid shaping.
Invention content
For overcome the deficiencies in the prior art, one of the objects of the present invention is to provide a kind of intelligence of hot spot variable-size
Become hot spot mechanism.
The second object of the present invention is to provide a kind of with the 3D printing equipment for becoming hot spot mechanism.
An object of the present invention adopts the following technical scheme that realization：
A kind of 3D printing equipment becomes hot spot mechanism, and including base station, the base station is equipped with the first optical mirror slip group, the second light
Lens set and adjustment mechanism are learned, the adjustment mechanism includes power plant, transmission device, guide rail and the tune being arranged on guide rail
Monoblock, the power plant are connect with transmission device, and the transmission device is connect with adjustment block, the adjustment block and the first optics
Lens set connects, and the power plant drives actuator drives adjustment block to be moved along guide rail, to adjust first optics
The distance between lens set and the second optical mirror slip group.
Further, the transmission device includes swing arm and toggle, the toggle and the tune
Monoblock is connected, and the actuating unit is connected with the swing arm, and the swing arm is driven by the toggle and adjusted
Block does tandem movement under the guiding role of guide rail.
Further, the toggle includes the front axle being connected with swing arm, the rear axle being connected with adjustment block
And the connecting rod of connection front axle and rear axle.
Further, the first optical mirror slip group keeps concentric with the second optical mirror slip group in 3D printing.
Further, the first optical mirror slip group includes a concavees lens, and it is recessed that the second optical mirror slip group includes one
Mirror and a convex lens,
Further, the first optical mirror slip group is arranged in dynamic lens set, and the dynamic lens set is connected with adjustment block
It connecing, and is moved along the rail under transmission device drive, the second optical mirror slip group is arranged on the fixing bracket of quiet lens set,
The quiet lens set is fixed on base station.
Further, the power plant is motor, is connected with control system.
Further, the base station is equipped with the limiting device for limiting the first optical mirror slip group shift position.
Further, the limiting device includes being arranged on is used to detect and the second light in the first optical mirror slip group
The range sensor of lens set distance is learned,
And/or
For limiting the limit switch of the moving position of the first optical mirror slip group.
The second object of the present invention adopts the following technical scheme that realization：
A kind of 3D printing equipment, including above-mentioned change hot spot mechanism.
Compared with prior art, the beneficial effects of the present invention are：First optical mirror slip group, the second optical mirror slip group are set,
The first optical mirror slip group is driven by adjusting mechanism, adjusts the distance between the first optical mirror slip group and the second optical mirror slip group；
First optical mirror slip group is moved forward and backward under the action of power plant and transmission device along guide rail straight line, changes two groups of optical frames
The distance between piece group realizes the offset of focus, so as to fulfill the spot size variation projected in scanning system.
Description of the drawings
Fig. 1 is the principle schematic for becoming hot spot mechanism of the 3D printing equipment of the embodiment of the present invention；
Fig. 2 is the structure diagram for becoming hot spot mechanism of the 3D printing equipment of the embodiment of the present invention.
In figure：10th, base station；20th, lens set is moved；21st, the first optical mirror slip group；30th, quiet lens set；31st, the second optical frames
Piece group；40th, adjustment mechanism；41st, power plant；42nd, guide rail；43rd, adjustment block；50th, transmission device；51st, swing arm；52nd, crank connects
Linkage；53rd, front axle；54th, rear axle；55th, connecting rod；56th, bearing；60th, control system.
Specific embodiment
In the following, with reference to attached drawing and specific embodiment, the present invention is described further, it should be noted that not
Under the premise of conflicting, new implementation can be formed between various embodiments described below or between each technical characteristic in any combination
Example.
As shown in Figure 1 and Figure 2, a kind of 3D printing equipment becomes hot spot mechanism, and including base station 10, base station is equipped with the first optics
Lens set 21, the second optical mirror slip group 31 and adjustment mechanism 40, adjustment mechanism 40 include power plant 41, transmission device 50,
Guide rail 42 and the adjustment block 43 being arranged on guide rail 42, power plant is connect with transmission device, and transmission device is connect with adjustment block,
Adjustment block is connect with the first optical mirror slip group, and power plant drives actuator drives adjustment block to be moved along guide rail, with adjustment
The distance between first optical mirror slip group 21 and the second optical mirror slip group 31.
First optical mirror slip group 21, the second optical mirror slip group 31 are set, and the first optical mirror slip group 21 is in power plant and biography
It under the action of dynamic device, is moved forward and backward along guide rail straight line, changes the distance between two groups of optical mirror slip groups, realize the inclined of focus
It moves, so as to fulfill the spot size variation projected in scanning system.
Transmission device 50 is used to the rotation of power plant 41 being sent to adjustment block 43, and transmission device 50 can be：Including
Swing arm 51 and toggle 52, toggle 52 are connected with adjustment block 43, and actuating unit is connected with swing arm 51,
Swing arm 51 drives adjustment block 43 to do tandem movement under the guiding role of guide rail 42 by toggle 52.
Toggle 52 is used to the movement of swing arm 51 being sent to adjustment block 43, and structure is：Including with 51 phase of swing arm
The front axle 53 of connection, the rear axle 54 being connected with adjustment block 43 and the connecting rod 55 for connecting front axle 53 and rear axle 54.
Front axle 53 is connected by bearing 56 with swing arm 51, is made swing arm 51 and the rotation of front axle 53 very smooth, be can also be used
The connection modes such as hinge, universal joint.
Power plant 41 is motor, and motor can be stepper motor, or servo motor is connected with control system
It connects, facilitates speed governing, to adjust the swinging distance of swing arm 51.Certainly, power plant is not limited in motor.
First optical mirror slip group 21 includes a concavees lens, is arranged in dynamic lens set, and the second optical mirror slip group 31 includes one
Concavees lens and a convex lens, are arranged on the fixing bracket of quiet lens set, and lens set can be an eyeglass or multiple
The function of single eyeglass is realized in lens combination design, and the first optical mirror slip group 21 is protected with the second optical mirror slip group 31 in 3D printing
It holds with one heart.Dynamic lens set is connected with adjustment block, and is moved along the rail under transmission device drive, and quiet lens set is fixed at
On base station.
Base station is equipped with the limiting device (not shown) for limiting 21 shift position of the first optical mirror slip group.Limiting device
It is used to detect and the range sensor of the second optical mirror slip group distance and/or use in the first optical mirror slip group including being arranged on
In the limit switch for the moving position for limiting the first optical mirror slip group；Range sensor is connected with control system.
There are many limiting devices, can be the trigger switch for being set in fixed position, when adjustment block drives the first optical frames
When at piece group to limit switch, power plant is stopped, and the first optical mirror slip group stops movement；In addition, limiting device can be with
Detection and the range sensor of 31 distance of the second optical mirror slip group are used in the first optical mirror slip group 21 to be arranged on, with control
System is connected, and the distance between two groups of optical mirror slips of detection, calculate spot size, when spot size reaches suitable size in real time
When, control system stops the operation of power plant, and the first optical lens group stops movement.
A kind of 3D printing equipment, including above-mentioned change hot spot mechanism.
A kind of darkening spot method of 3D printing equipment, includes the following steps：
System controlled step：Control system, which detects, to be needed to print part outer profile, then makes printing light by adjusting mechanism
Spot becomes smaller；Control system detects that needs print internal filling, then printing hot spot is made to become larger by adjusting mechanism；
Hot spot set-up procedure：Control system controls power plant, and power plant drives transmission device, actuator drives tune
Monoblock simultaneously drives the first optical mirror slip group, changes the distance between the first optical mirror slip group and the second optical mirror slip group 31 to change
Spot size.
The above embodiment is only the preferred embodiment of the present invention, it is impossible to the scope of protection of the invention is limited with this,
The variation and replacement for any unsubstantiality that those skilled in the art is done on the basis of the present invention belong to institute of the present invention
Claimed range.
Claims (10)
1. a kind of change hot spot mechanism, including base station, which is characterized in that the base station is equipped with the first optical mirror slip group, the second light
Lens set and adjustment mechanism are learned, the adjustment mechanism includes power plant, transmission device, guide rail and the tune being arranged on guide rail
Monoblock, the power plant are connect with transmission device, and the transmission device is connect with adjustment block, the adjustment block and the first optics
Lens set connects, and the power plant drives actuator drives adjustment block to be moved along guide rail, to adjust first optics
The distance between lens set and the second optical mirror slip group.
2. become hot spot mechanism as described in claim 1, which is characterized in that the transmission device includes swing arm and crank connecting link machine
Structure, the toggle are connected with the adjustment block, and the actuating unit is connected with the swing arm, and the swing arm is led to
Crossing the toggle drives adjustment block to do tandem movement under the guiding role of guide rail.
3. become hot spot mechanism as claimed in claim 2, which is characterized in that the toggle includes being connected with swing arm
Front axle, the rear axle that is connected with adjustment block and the connecting rod for connecting front axle and rear axle.
4. the change hot spot mechanism as described in claims 1 or 2 or 3, which is characterized in that the first optical mirror slip group and the second light
It learns lens set and keeps concentric in 3D printing.
5. the change hot spot mechanism as described in claims 1 or 2 or 3, which is characterized in that it is recessed that the first optical mirror slip group includes one
Lens, the second optical mirror slip group include a concavees lens and a convex lens.
6. the change hot spot mechanism as described in claims 1 or 2 or 3, which is characterized in that the first optical mirror slip group is arranged on dynamic
In lens set, the dynamic lens set is connected with adjustment block, and is moved along the rail under transmission device drive, second optics
Lens set is arranged on the fixing bracket of quiet lens set, and the quiet lens set is fixed on base station.
7. the change hot spot mechanism as described in claims 1 or 2 or 3, which is characterized in that the power plant is motor, with control
System is connected.
8. the change hot spot mechanism as described in claims 1 or 2 or 3, which is characterized in that the base station is equipped with described for limiting
The limiting device of first optical mirror slip group shift position.
9. become hot spot mechanism as claimed in claim 8, which is characterized in that the limiting device includes being arranged on first light
It learns and is used for detection and the range sensor of the second optical mirror slip group distance in lens set,
And/or
For limiting the limit switch of the moving position of the first optical mirror slip group.
10. a kind of 3D printing equipment, which is characterized in that including the change hot spot mechanism described in claim 1-9 any bars.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017214776318 | 2017-11-08 | ||
| CN201721477631 | 2017-11-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108237327A true CN108237327A (en) | 2018-07-03 |
Family
ID=62699824
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810113493.8A Pending CN108237327A (en) | 2017-11-08 | 2018-02-05 | A kind of change hot spot mechanism and the 3D printing equipment equipped with the change hot spot mechanism |
| CN201820196709.7U Active CN208004995U (en) | 2017-11-08 | 2018-02-05 | A kind of change hot spot mechanism and the 3D printing equipment equipped with the change hot spot mechanism |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820196709.7U Active CN208004995U (en) | 2017-11-08 | 2018-02-05 | A kind of change hot spot mechanism and the 3D printing equipment equipped with the change hot spot mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN108237327A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109094023A (en) * | 2018-07-19 | 2018-12-28 | 天马微电子股份有限公司 | 3D printer impression block group, Method of printing and 3D printer |
| CN109648194A (en) * | 2018-12-27 | 2019-04-19 | 西安必盛激光科技有限公司 | A kind of Optical Maser System of hot spot focus adjustable |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5872127A (en) * | 1981-10-24 | 1983-04-30 | Canon Inc | Optical focus position adjusting method |
| CN101439441A (en) * | 2008-12-29 | 2009-05-27 | 广州瑞通千里激光设备有限公司 | Optical fiber laser dynamic focusing vibration mirror scanning type spot welding system and welding method thereof |
| CN105750728A (en) * | 2016-04-20 | 2016-07-13 | 华南理工大学 | Light spot changing optical scanning method and device for selective laser part processing |
| CN106218232A (en) * | 2016-08-31 | 2016-12-14 | 广州创乐激光设备有限公司 | A kind of varifocal laser marking optical system |
-
2018
- 2018-02-05 CN CN201810113493.8A patent/CN108237327A/en active Pending
- 2018-02-05 CN CN201820196709.7U patent/CN208004995U/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5872127A (en) * | 1981-10-24 | 1983-04-30 | Canon Inc | Optical focus position adjusting method |
| CN101439441A (en) * | 2008-12-29 | 2009-05-27 | 广州瑞通千里激光设备有限公司 | Optical fiber laser dynamic focusing vibration mirror scanning type spot welding system and welding method thereof |
| CN105750728A (en) * | 2016-04-20 | 2016-07-13 | 华南理工大学 | Light spot changing optical scanning method and device for selective laser part processing |
| CN106218232A (en) * | 2016-08-31 | 2016-12-14 | 广州创乐激光设备有限公司 | A kind of varifocal laser marking optical system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109094023A (en) * | 2018-07-19 | 2018-12-28 | 天马微电子股份有限公司 | 3D printer impression block group, Method of printing and 3D printer |
| CN109648194A (en) * | 2018-12-27 | 2019-04-19 | 西安必盛激光科技有限公司 | A kind of Optical Maser System of hot spot focus adjustable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN208004995U (en) | 2018-10-26 |
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