CN207535316U - A kind of 3D printer calibrating installation - Google Patents
A kind of 3D printer calibrating installation Download PDFInfo
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- CN207535316U CN207535316U CN201721681930.3U CN201721681930U CN207535316U CN 207535316 U CN207535316 U CN 207535316U CN 201721681930 U CN201721681930 U CN 201721681930U CN 207535316 U CN207535316 U CN 207535316U
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- calibration
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- print platform
- calibrating installation
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Abstract
The utility model discloses a kind of 3D printer calibrating installations, for measuring nozzle to the distance height of print platform, are further used for print platform leveling calibration.The 3D printer calibrating installation is altitude calibration module, altitude calibration module includes calibration A pieces, calibration B pieces and spacer, it is flexible thin slice, and be arranged in parallel to calibrate A pieces and calibration B pieces, and the end point of the two realizes the isolation of the two by being inserted into spacer；Corresponding calibration region is respectively equipped on the opposite face of calibration A pieces and calibration B pieces, electrode is respectively provided in calibration region；Altitude calibration module is in the calibration mode between printing head and print platform, and be parallel to print platform and nozzle filament mouth end face.The utility model realizes full-automatic calibration process, further improves the stability to high calibration process, height measurement process and leveling calibration process, accuracy and convenience, also further improves the precision of printing shaping part.
Description
Technical field
The utility model is related to 3D printing technique fields, and in particular to a kind of 3D printer calibrating installation.
Background technology
3D printing technique (or rapid shaping technique) because its it is excellent in many advantages of existing subtraction processing technology due to obtain
Fast development, before printing, nozzle and the accurate of print platform are that 3D printing technique pursues high stable, high-precision to high calibration process
Important prerequisite.3D printing to high calibration process, be that control system clearly records working distance between nozzle and print platform
From.To the accuracy of high calibration process, depending between the design of high calibration module and print platform and calibration module
Calibrate control process.
In 3D printing technique, good platform adherency is the molding basis of 3D printing, how can complete material and beat
The good adhesion between platform is printed, buckling deformation will not occur, and the dismounting requirement of model can be met, be that 3D printing industry is pursued
Target.
The altitude calibration process of existing 3D printer is mostly to carry out the measurement of height to print platform by travel switch,
Not only efficiency is low for this calibrating mode, but also the effect calibrated is unsatisfactory, prevents final printing effect from reaching expected effect
Fruit.
Utility model content
To solve the problems, such as 3D printing platform calibration process in the prior art, the utility model provides a kind of 3D
Printer calibrating installation for measuring nozzle to the distance height of print platform, is further used for print platform leveling calibration work
Make, make entirely to measure, leveling calibration process is full-automatic, is easily manipulated, further improve working efficiency and stability and accurate
Degree.
To realize the above-mentioned technical purpose, the utility model discloses a kind of 3D printer calibrating installation, the 3D printers
Calibrating installation is altitude calibration module, and altitude calibration module includes calibration A pieces, calibration B pieces and spacer, calibrates A pieces and school
Quasi- B pieces are flexible thin slice, and be arranged in parallel, and the end point of the two realizes the isolation of the two by being inserted into spacer；
Corresponding calibration region is respectively equipped on the opposite face of calibration A pieces and calibration B pieces, electrode, electrode are respectively provided in calibration region
The electric signal that conducting is formed is transferred to control system；The location status of the altitude calibration module in the calibration mode is characterized in：
Between printing head and print platform, calibration A pieces are parallel to print platform with calibration B pieces and the nozzle of printing head goes out
Silk mouth end face, and the nozzle of printing head is located at the surface of calibration region.
In the above-mentioned technical solutions, calibration A pieces and calibration B pieces are the negligible thin slice of thickness, after extruding,
It can restore to reset condition, so as to reduce the influence that height value measures between nozzle and print platform.
In a calibration process, calibration A pieces are located at printing to 3D printer calibrating installation provided by the utility model with calibration B pieces
Between nozzle and print platform, mobile printing head or print platform make calibration B pieces be bonded with print platform, and go out nozzle
Silk mouth end face extruding calibration A pieces, until electric signal is formed after calibrating the electrode contact in two calibration regions of A pieces and calibration B pieces,
Electric signal is transferred to control system, and it is vertical that the record vertical distance that printing head moves in the process or print platform move
Distance, so far, control system are judged as completing the measurement work of height between primary nozzle filament mouth end face and print platform, survey
After the completion of measuring work, printing head or print platform are removed, calibration A pieces and calibration B pieces can restore to reset condition.In two schools
When electrode in quasi- region contacts, two corrector strips are bonded print platform and nozzle filament mouth end face respectively, due to two calibrations
Piece and electrode are all very thin, can ignore its thickness, so, the corrector strip being bonded with print platform can be equivalent to print platform
Surface, the corrector strip being bonded with nozzle filament mouth end face can be equivalent to the end face of nozzle filament mouth, when two electrodes contact
It is believed that nozzle filament mouth end face is contacted with print platform upper surface；During the entire process of calibration, contacted and generated using electrode
Signal judge to measure the completion of work, realize full-automatic measurement, reduce artificial valuation error, and entirely survey
Amount process is more sensitive, the accuracy higher of calibration process.
Further, the distance between calibration A pieces and calibration B pieces are 0.1mm-10mm.The setting of the height can be fine
Ground ensures the sensitivity of the electrode contact on two corrector strips.
Further, calibration A pieces and calibration B pieces are Kynoar macromolecule membrane.
Further, calibration A pieces and calibration B pieces are sheet metal.
Further, altitude calibration module is connected to by mechanical linkage structure on moveable printing head, printing spray
Head is connected in rack construction, and mechanical linkage structure is connect with showerhead electrode, and showerhead electrode is connect with control system.Pass through setting
Mechanical linkage structure realize printing head and altitude calibration module be synchronized with the movement and relative motion, the telecommunications that electrode conduction is formed
Number it is transferred to control system via showerhead electrode.
Further, electrode is connect with showerhead electrode, and showerhead electrode is connect with control system, the telecommunications that electrode conduction is formed
Number it is transferred to control system through showerhead electrode.
3D printer calibrating installation provided by the utility model has the beneficial effect that：Full-automatic calibration process is realized,
It has provided better experience effect to the user, has further improved and high calibration process, height measurement process and leveling were calibrated
Stability, accuracy and the convenience of journey also further improve the precision of printing shaping part.
Description of the drawings
Fig. 1 be altitude calibration module in two corrector strips calibration region not in contact with when structure diagram.
Structure diagram when Fig. 2 is the calibration region contact of two corrector strips in altitude calibration module.
In figure, 1, nozzle；2nd, A pieces are calibrated；3rd, spacer；4th, B pieces are calibrated；5th, electrode.
Specific embodiment
Explanation is explained in detail to the structure of the utility model below in conjunction with the accompanying drawings.
3D printer calibrating installation disclosed in the utility model is altitude calibration module, as illustrated in fig. 1 and 2, altitude calibration
Module includes calibration A pieces 2, calibration B pieces 4 and spacer 3, and calibration A pieces 2 and calibration B pieces 4 are in distribution, and be to have up and down
The thin slice of elasticity, thickness can be neglected, and the two is arranged in parallel, and isolation is realized in the end point of the two by being inserted into spacer 3
It is fixed, make to form space structure between the two；It calibrates and divides on the centre position of the lower surface of A pieces 2 and the upper surface of calibration B pieces 4
Not She You corresponding calibration region, be respectively provided with electrode 5 in two calibration regions, electrode 5 can be sprayed on leading for calibration region
Electrocoat, electrode 5 are connect with showerhead electrode, and showerhead electrode connect with control system and controlled by control system, and control system is also controlled
The movement of rack construction (namely axle construction), print platform and printing head that printing head processed connects, so as to which 3D be controlled to beat
Tri- axis direction of X, Y, Z of print machine.
Altitude calibration module is connected to by mechanical linkage structure on moveable printing head, and printing head is mounted on machine
In frame structure, mechanical linkage structure connect with showerhead electrode and is controlled by showerhead electrode, and showerhead electrode may be mounted at printing head
In the rack construction of upper or printing head connection, control system makes height by the movement of rack construction that printing head is controlled to connect
Degree calibration module, mechanical linkage structure, printing head are synchronized with the movement, and control system is by controlling showerhead electrode to make mechanical linkage knot
Structure drives altitude calibration module to be moved relative to printing head, flat so as to fulfill altitude calibration module cooperation printing head and printing
The motion feature of platform realizes that the height of print platform test point confirms, further realizes the calibration process of print platform, machinery connection
Steering engine may be selected in dynamic structure, passes through the movement of servos control altitude calibration module.The effect of showerhead electrode includes at least following 4
Kind：1. the silk material of printing head is controlled to be sent into；2. the movement of control machinery linkage structure makes altitude calibration module and printing head
Relative motion occurs；3. receive the electric signal generated during the contact of altitude calibration module electrodes；4. altitude calibration module is generated
Electric signal is transferred to control system.
Altitude calibration module in the calibration mode, between 3D printing platform and 3D printing nozzle, calibrates A pieces and calibration
B pieces are parallel to the 1 filament mouth end face of nozzle of 3D printing platform and 3D printing nozzle, and the nozzle of printing head is located at calibration areas
The surface in domain, as shown in Figure 1.Due to the tapered structure of the nozzle of nozzle, nozzle goes out when squeezing calibration A piece upper surfaces
Silk mouth end face contacts calibration A pieces upper surface at first, so ensureing that the longitudinal axis of nozzle filament mouth end face is located in calibration region
On vertical line direction, facilitate calibration A pieces and calibrate the contact electrode formation Continuity signal of B pieces, as shown in Fig. 2, whole so as to improve
The high efficiency and accuracy of a calibration process.Altitude calibration module can be moved to by calibrating die by control machinery linkage structure
The position of formula.
The distance between calibration A pieces and calibration B pieces select excellent 0.1mm-10mm；It is optional poly- inclined to calibrate A pieces and calibration B pieces
Vinyl fluoride macromolecule membrane or sheet metal.
In order to measure nozzle to the distance height of print platform, the utility model also provides a kind of utilization above-mentioned 3D printer
The method that calibrating installation is calibrated, includes the following steps：
Step 1：Altitude calibration module is moved to the position of calibration mode by control machinery linkage structure, make calibration A pieces and
Calibration B pieces are parallel to print platform and nozzle filament mouth end face, and calibration A pieces are close to nozzle filament mouth end face；
Step 2：Selection makes nozzle and height school to high point, the rack construction of control printing head connection on print platform
Quasi-mode block synchronizing moving is to right over high point；
Step 3:Nozzle direction of the print platform from its initial position to printing head is controlled to move straight up, and keep
The position of printing head is constant, print platform is made to be contacted with calibrating the lower surface fitting of B pieces first, print platform pushes height school
The continuation of quasi-mode block moves straight up, and mechanical linkage structure is moved relative to printing head, then makes the filament mouth of nozzle
End face is contacted with calibrating the upper surface fitting of A pieces, and the filament mouth end face of nozzle is continued extruding calibration A pieces and moved to calibration B pieces, directly
The calibration region of calibration region and calibration A pieces to calibration B pieces is in contact, and after the contact of two calibration regions, electrode therein generates
Electric signal, electric signal are transferred to control system, and control system, which is sent out, stops vertical and straight movement instruction, and record print platform in the mistake
This distance value is assigned a value of nozzle to print platform to high distance value by the vertical and straight movement distance in journey, i.e., nozzle is to high point
Height value, while control print platform, printing head and altitude calibration module recovery control system be judged as to initial position
It completes to work to high measurement to high point, the calibration process of high point is terminated；
Alternatively, the rack construction of control printing head connection makes printing head and altitude calibration module synchronization from its initial bit
Put to print platform direction and move straight down, and keep the position of print platform constant, make first the lower surfaces of calibration B pieces with
Print platform fitting contact, then control printing head connection rack construction make printing head relative to altitude calibration module after
It is continuous to move straight down, the filament mouth end face of nozzle is made to be bonded with the upper surface of calibration A pieces and is contacted, the filament mouth end face of nozzle after
The continuous calibration A pieces that squeeze are moved to calibration B pieces, until the calibration region of calibration B pieces and the calibration region of calibration A pieces are in contact, two
After calibration region contact, electrode therein generates electric signal, and electric signal is transferred to control system, and it is vertical that control system sends out stopping
Movement instruction, and the vertical and straight movement distance of printing head in this process is recorded, it is flat to printing that this distance value is assigned a value of nozzle
Platform to high distance value, i.e. nozzle controls printing head and altitude calibration module recovery to first in the height value to high point
Beginning position, control system are judged as completing to work to high measurement to high point, the calibration process of high point are terminated.
In step 2, to high point can on print platform it is arbitrarily selected, print platform is needed to be in the shape of preliminary calibration
State, for example, printer can all have the step of print platform leveling and calibration when dispatching from the factory, but due to transport, the water of print platform
Pingdu will appear variation, but all in normal range (NR), at this moment it is considered that print platform is in the state of preliminary calibration.
It is further comprising the steps of on the basis of above-mentioned calibration method in order to realize print platform leveling calibration：Step
Rapid 4:N number of calibration point is chosen on print platform, height value of the nozzle in each calibration point is measured respectively, i.e., each is calibrated
Point carries out working high measurement for step 2 and step 3, is as follows：
401：A calibration point is selected, the rack construction of control printing head connection makes printing head and altitude calibration module
Right over synchronizing moving to calibration point；
402：Nozzle direction of the print platform from its initial position to printing head is controlled to move or control straight up to beat
The rack construction of print nozzle connection moves straight down from its initial position to print platform direction, makes print platform and school first
The lower surface fitting contact of quasi- B pieces, the filament mouth end face for then making nozzle contact, and continue with the upper surface fitting for calibrating A pieces
Calibration A pieces are squeezed to move to calibration B pieces, until the calibration region of calibration B pieces and the calibration region of calibration A pieces are in contact, two schools
After quasi- region contact, electrode conduction therein generates electric signal, and electric signal is transferred to control system, and it is perpendicular that control system sends out stopping
Straight movement instruction makes print platform or printing head stop motion, and records print platform or the rack knot of printing head connection
The vertical and straight movement distance of structure in this process, by this distance value be assigned a value of the calibration point on nozzle to print platform to rise from
Value, i.e. nozzle are in the height value of the calibration point, while the rack construction that print platform or printing head is controlled to connect is restored to first
Beginning position, control system are judged as completing working high measurement for the calibration point, and the calibration process of the calibration point terminates；
403：Remaining calibration point is selected successively, and the calibration of remaining calibration point is carried out according to step 401 and 402 method
Journey obtains height value of the nozzle in remaining calibration point；
404：According to the nozzle of record to the height value of high point and nozzle each calibration point height value to print platform
Carry out leveling calibration.
In step 404, according to the nozzle of record to the height value of high point and nozzle each calibration point height value pair
Print platform carries out leveling calibration, meets it defined below：Nozzle to the height value of high point with nozzle in each calibration point
Absolute value≤0.5mm of the distance difference of height value.
In step 4, it when choosing calibration point, needs to ensure that calibration point is uniformly distributed, when print platform area is larger,
Calibration point should be more, and when print platform area is smaller, the quantity of calibration point can be less.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Any modification, equivalent replacement and simple modifications for being made in utility model substantive content etc., should be included in the utility model
Within protection domain.
Claims (6)
1. a kind of 3D printer calibrating installation, which is characterized in that the 3D printer calibrating installation is altitude calibration module, highly
Calibration module includes calibration A pieces (2), calibration B pieces (4) and spacer (3), and calibration A pieces and calibration B pieces are flexible
Thin slice, and be arranged in parallel, the end point of the two realizes the isolation of the two by being inserted into spacer；It calibrates A pieces and calibrates the phase of B pieces
Corresponding calibration region is respectively equipped on opposite, electrode (5) is respectively provided in calibration region, the electric signal that electrode conduction is formed passes
It is handed to control system；The location status of the altitude calibration module in the calibration mode is characterized in：Positioned at printing head and printing
Between platform, calibration A pieces and calibration B pieces are parallel to nozzle (1) filament mouth end face of print platform and printing head, and print
The nozzle of nozzle is located at the surface of calibration region.
2. 3D printer calibrating installation according to claim 1, which is characterized in that calibration A pieces and calibrate B pieces between away from
From for 0.1mm-10mm.
3. 3D printer calibrating installation according to claim 1, which is characterized in that calibration A pieces and calibration B pieces are poly- inclined
Vinyl fluoride macromolecule membrane.
4. 3D printer calibrating installation according to claim 1, which is characterized in that calibration A pieces are metal with calibration B pieces
Thin slice.
5. 3D printer calibrating installation according to claim 1, which is characterized in that altitude calibration module passes through mechanical linkage
Structure is connected on moveable printing head, and mechanical linkage structure is connect with showerhead electrode, and showerhead electrode connects with control system
It connects.
6. 3D printer calibrating installation according to claim 1, which is characterized in that electrode is connect with showerhead electrode, nozzle
Motor is connect with control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721681930.3U CN207535316U (en) | 2017-12-06 | 2017-12-06 | A kind of 3D printer calibrating installation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721681930.3U CN207535316U (en) | 2017-12-06 | 2017-12-06 | A kind of 3D printer calibrating installation |
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| CN207535316U true CN207535316U (en) | 2018-06-26 |
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| CN201721681930.3U Active CN207535316U (en) | 2017-12-06 | 2017-12-06 | A kind of 3D printer calibrating installation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107745520A (en) * | 2017-12-06 | 2018-03-02 | 北京太尔时代科技有限公司 | A kind of 3D printer calibrating installation and its calibration method |
| WO2023055986A1 (en) * | 2021-10-02 | 2023-04-06 | 3D Systems, Inc. | Method and apparatus for positional reference in an automated manufacturing system |
-
2017
- 2017-12-06 CN CN201721681930.3U patent/CN207535316U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107745520A (en) * | 2017-12-06 | 2018-03-02 | 北京太尔时代科技有限公司 | A kind of 3D printer calibrating installation and its calibration method |
| WO2023055986A1 (en) * | 2021-10-02 | 2023-04-06 | 3D Systems, Inc. | Method and apparatus for positional reference in an automated manufacturing system |
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