CN104802403B - Platform calibration device for 3D printer - Google Patents
Platform calibration device for 3D printer Download PDFInfo
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- CN104802403B CN104802403B CN201510090271.5A CN201510090271A CN104802403B CN 104802403 B CN104802403 B CN 104802403B CN 201510090271 A CN201510090271 A CN 201510090271A CN 104802403 B CN104802403 B CN 104802403B
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Abstract
The invention discloses a platform calibration device for a 3D printer. The platform calibration device comprises a 3D printing nozzle, a printing platform and platform calibrating clamps, wherein each platform calibrating clamp comprises a conductive metal elastic sheet, a flexible circuit board and a clamp for clamping; each clamp comprises a conductive clamping main body and an elastic clamping sheet, the conductive clamping main body comprises a first main body part and a first clamping part, the elastic clamping sheet comprises a second clamping part parallel to the first clamping part and an elastic extending sheet part which extends from the second clamping part and is relatively turnup; each flexible circuit board comprises a first conductive layer, an insulating layer and a second conductive layer; each conductive metal elastic sheet comprises a first contact part and a second contact part, the second contact part can be contacted with the corresponding first clamping part under the action of external force and can reserve a gap with the first clamping part without the action of the external force, the first contact part is parallel to and tightly attached to the corresponding first conductive layer, and the first main body part is parallel to and tightly attached to the corresponding second conductive layer. The platform calibration device for the 3D printer can conveniently realize a stable plane clamping function and an accurate platform calibration function required by the 3D printing work platform.
Description
Technical field
The present invention relates to a kind of platform alignment device is and in particular to a kind of platform alignment device on 3d printer.
Background technology
The workbench (i.e. print platform) of existing 3d printer especially desktop level 3d printer, is many by commonly use
Workbench fixed mount within the removable workmanship plate of different directions clamping and machine for the individual clip, thus realize workmanship plate
Fixing, form print job platform.Two jig arm of clip are symmetrical, realize clamping action with pivot opening and closing.Exist asks
Topic is that in clamp position, two jig arm shapes form an angle such clip, and the top surface of plate of doing manual work and workbench are fixed
The position that frame bottom surface is used for fixed clamp is typically level, so can relatively tilt for the jig arm two sides of clamping relatively, folder
Hold easy to fall off, unstable, and disturb the normal operation of the machines such as 3d printer.
And in the machine of a lot of manufacture field such as 3d printer, it is often necessary to recalibrate before use and in using
The level of workbench, just.Traditional clip playing clamping effect can only play single clamping action, and such as need to calibrate needs
Separately to set calibrating installation, tedious process and tied up effective print space of preciousness.
Content of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the present invention provides a kind of 3d printer platform alignment
Device, it is possible to achieve the firm clamping of print platform and accurately platform alignment.
Technical scheme: for solving above-mentioned technical problem, the 3d printer platform alignment device that the present invention provides, including installation
Printing head on 3d printer, print platform and platform alignment folder；Described platform alignment folder includes conducting metal shell fragment, soft
Property wiring board and for clamping the clip of print platform；
Described clip is included conductive holding main body and is adapted to holding shrapnel for Gripping platform with it, described conductive holding
Main body includes the first main part and the first clamping part being connected with the first main part, and described holding shrapnel includes and the described first folder
The second parallel clamping part of portion of holding, and extend from the second clamping part and the downward extension shell fragment tilting of the second clamping part relatively
Portion；Described FPC includes the first conductive layer and the second conductive layer, is provided with absolutely between the first conductive layer and the second conductive layer
Edge layer；
Described conducting metal shell fragment includes the first contact site, and be connected with the first contact site, in the outer masterpiece of printing head
With lower can touch with the first clamping part, no lower the second contact site leaving gap with the first clamping part of printing head external force effect；
Described first contact site is parallel with the first conductive layer of FPC to be close to, described first main part and flexible wires
Second conductive layer of road plate is parallel to be close to.
Preferably, the first contact site of described conducting metal shell fragment passes through to have resilient linking arm and the second contact site connects
Connect.
Preferably, also include the fixed seat for fixing conducting metal shell fragment, described fixed seat is provided with corresponding conductive gold
Belong to the draw-in groove of shell fragment, the of described fixed seat, the first contact site of conducting metal shell fragment, FPC and conductive holding main body
One main part is fastenedly connected by rivet or bolt.
Preferably, described holding shrapnel is connected by bearing pin with conductive holding main body, the second clamping of described holding shrapnel
Portion is provided with perforation.
Preferably, described second contact site is to contact with the second of the first clamping part parallel interval setting under no external force effect
Portion.
Preferably, described conductive holding main body is entirely conductive or partially electronically conductive conductive holding main body, described conducting metal
Shell fragment is entirely conductive or partially electronically conductive conducting metal shell fragment.
Preferably, the conductive holding main body that described conductive holding main body is made for conductive metallic material, described conducting metal
The conducting metal shell fragment that shell fragment is made for conductive metallic material.
Preferably, described FPC also includes the extension stub-out of flexibility, and described extension stub-out includes connecting the
First extension conductive layer of one conductive layer and the second extension conductive layer connecting the second conductive layer.
Preferably, press from both sides including the plural platform alignment being clamped on print platform edge.
Beneficial effect: the 3d printer platform alignment device that the present invention provides, its platform alignment folder is by be arrangeding in parallel
The second clamping part on the first clamping part and holding shrapnel in conductive holding main body, can be very good to realize clamped two sides
For the clamping action of the object of parallel surface, pass through the structure of conductive holding main body, FPC and conducting metal shell fragment simultaneously
Design, can realize 3d print platform calibration letter while realizing as above holding function, in conjunction with the external force effect of printing head
Number output, especially FPC can realize the flexible extraction of the signal of the first conductive layer and the second conductive layer, convenient
Achieve plane holding function and calibration function needed for 3d print platform, reduce spare and accessory parts, be effectively saved print platform
On effective working space, rational in infrastructure, there is higher practicality and promotional value.
Brief description
Fig. 1 is the structural representation installation diagram of platform alignment folder in embodiment 1；
Fig. 2 is the structural representation stereogram of embodiment 1；
Fig. 3 is the structural representation front view of Fig. 2；
Fig. 4 is the structural representation left view of Fig. 2；
Fig. 5 is the a-a of Fig. 4 to sectional view；
Fig. 6 is the structural representation stereogram of FPC in embodiment 1；
Fig. 7 is the structural representation front view of FPC in embodiment 1；
Fig. 8 is the structural representation top view of FPC in embodiment 1；
Fig. 9 is the structural representation left view of FPC in embodiment 1；
Figure 10 is the c-c of Fig. 9 to sectional view.
Specific embodiment
With reference to the accompanying drawings and examples the present invention is further described.
Embodiment 1: the 3d printer platform alignment device that the present embodiment 1 provides, its structural representation stereogram such as Fig. 2 institute
Show, structural representation front view as shown in Figure 3, structural representation left view as shown in figure 4, the a-a of Fig. 4 to sectional view as shown in figure 5,
Including the printing head (not shown) being arranged on 3d printer, print platform and platform alignment folder.Platform in embodiment 1
The structural representation installation diagram of calibration folder is as shown in figure 1, described platform alignment folder includes conducting metal shell fragment 1, FPC 2 and
For clamping the clip of print platform.
Described print platform includes the removable workmanship plate 9 being clamped together by some platform alignments and 3d prints
Workbench fixed mount 8 within machine, the top surface of workmanship plate 9 is parallel with the bottom surface of workbench fixed mount 8 retaining part
(in figure only illustrates workmanship plate 9 and workbench fixed mount 8 is in one of clamping and the part of calibrating position).
Described clip is included conductive holding main body 3 and is adapted to holding shrapnel 4 for Gripping platform with it, described conductive clip
Hold main body 3 and include the first main part 31 and the first clamping part 32 being connected with the first main part, described holding shrapnel 4 includes and institute
State the second parallel clamping part 42 of the first clamping part 32, and it is downward to extend simultaneously the second clamping part 42 relatively from the second clamping part 42
The extension shrapnel part 41 tilting, has certain angle between the second clamping part 42 and extension shrapnel part 41, this angle is not 180 degree
Or 0 degree；Described FPC 2 includes the first conductive layer 21 and the second conductive layer 23, the first conductive layer 21 and the second conductive layer
It is provided with insulating barrier 22 between 23.
As shown in Fig. 6 to Figure 10, described conducting metal shell fragment 1 includes the first contact site 11, and is connected with the first contact site
, printing head external force effect under can touch with the first clamping part 32, no printing head external force effect under with the first clamping part
32 the second contact sites 12 leaving gap；First contact site 11 of described conducting metal shell fragment passes through have resilient linking arm 13
It is connected with the second contact site 12.
First conductive layer 21 of described first contact site 11 and FPC is parallel to be close to, described first main part 31 with
Second conductive layer 23 of FPC is parallel to be close to.
Also include the fixed seat 5 for fixing conducting metal shell fragment 1, described fixed seat 5 is provided with corresponding conducting metal bullet
The draw-in groove of piece 1, described fixed seat 5, the first contact site 11 of conducting metal shell fragment, FPC 2 and conductive holding main body
First main part 31 is fastenedly connected by rivet or bolt.
In the present embodiment 1, rivet or screw bolt passes fixed seat 5, the first contact site 11 of conducting metal shell fragment, flexible
Perforation on first main part 31 of wiring board 2 and conductive holding main body, realizes installing connection.Described rivet or bolt pass through
During perforation on the first contact site 11 of conducting metal shell fragment, FPC 2, its first contact site with conducting metal shell fragment
11 and FPC 2 be insulation.In the present embodiment 1, fixed seat 5 is nonconducting fixed seat, is plastic products, conductive gold
Belong to the first contact site 11 of shell fragment, linking arm 13 is inserted in the draw-in groove of fixed seat 5, the punched card on the first contact site 11 is being fixed
The outside the boss of seat 5 perforation surrounding, this boss height is more than thickness, such rivet or the bolt of the perforation on the first contact site 11
Through fixed seat and the first contact site 11 perforation when, be not reach with the perforation of the first contact site 11.FPC
Concentric perforation is had, perforation on first, second conductive layer on upper first conductive layer 21, insulating barrier 22, the second conductive layer 23
Aperture is more than the piercing aperture of insulating barrier 22.Provided of course that first, second conductive layer bypasses or avoid rivet or bolt passes through
Position, so can also be that perforation on FPC is only opened both sides on the insulating layer and do not laid first, second and leads
The position of electric layer.The method of above-mentioned insulation can also be realized by other routine techniques means, is not limited to the present embodiment 1.
Described holding shrapnel 4 is connected by bearing pin 6 with conductive holding main body 3 so that holding shrapnel 4 and conductive holding main body
3 can rotate opening and closing relative to axle centered on bearing pin 6.In the present embodiment 1, bearing pin 6 is also cross the extension shrapnel part of holding shrapnel
41 a pair of perforation being provided with, and a pair of perforation that conductive holding main body the first main part 31 being adapted to therewith is provided with.Certainly,
Conductive holding main body 3 and the holding shrapnel 4 being adapted to it for clamping can also be by the realizations of other routine techniques means.
Second clamping part 42 of described holding shrapnel 4 is provided with perforation 43.This perforation 43 is for by bolt or rivet
Deng accessory, the second clamping part 42 is fixed on the perforation of the bottom surface of clamped object.
Described conductive holding main body 3 is entirely conductive conductive holding main body, and described conducting metal shell fragment 1 is led for conduction entirely
Electric metal shell fragment.Conductive holding main body and conducting metal shell fragment are the conductive holding main body and conduction being made up of conductive metallic material
Metal clips.The conductive work(of conducting metal shell fragment and conductive holding main body can certainly be realized by the way of patch conductive layer
Energy.Therefore in the present embodiment 1, in conductive holding main body 3, the first main part 31 connects and connects with the first clamping part 32, conductive gold
Belong to the first contact site 11 on shell fragment 1 to be connected and connect with the second contact site 12.
As shown in Fig. 6 to Figure 10, in the present embodiment 1, described FPC 2 also includes the extension stub-out of flexibility, institute
State extend stub-out include connecting the first conductive layer first extension conductive layer 24 and connect the second conductive layer second extend lead
Electric layer 25.After described extension contact site flexible bending folds, opening through in conductive holding main body 3, extend to holding shrapnel
The second clamping part 42 on, when the second clamping part 42 is fixed on the bottom surface of clamped object by bolt or rivet, extend
The first extension conductive layer 24 in stub-out and the second extension conductive layer 25 are close to the bottom surface of clamped object.Now can achieve
The extraction of calibration signal line, is such as provided with the bottom surface of clamped object (as 3d print platform) and extends in stub-out first and prolong
Stretch conductive layer 24 and second and extend solder joint of connection lead-out wire that conductive layer 25 is adapted etc..
In the present embodiment 1, the top surface of described print platform is square, and described 3d printer platform alignment device includes 4
Platform alignment is pressed from both sides, and is clamped in the position closing on four angles of print platform top surface respectively, realizes workmanship plate 9 and 3d printer
The clamping of workbench fixed mount 8 and the calibration function of 3d print platform.
Embodiment 2: essentially identical with embodiment 1 structure, something in common is not repeated, except that:
When rivet or bolt pass through the perforation on FPC 2, the first main part 31 of conductive holding main body, its with soft
Property wiring board 2 and conductive holding main body the first main part 31 be insulation.Can certainly be described rivet or bolt and wear
The all parts crossed all insulate.If rivet or bolt are working of plastics, or rivet or bolt are metalwork, but it passes through each
All carried out the insulation processing of similar embodiment 1 during part.As long as rivet or bolt are do not turn on that it is run through in a word
The rivet of one conductive layer and the second conductive layer or bolt.
In the present embodiment 2, described second contact site 12 is that no external force effect is lower to be arranged with the first clamping part 32 parallel interval
The second contact site.
Described conductive holding main body 3 is partially electronically conductive conductive holding main body, and described conducting metal shell fragment 1 is partially electronically conductive
Conducting metal shell fragment.
I.e. on conducting metal shell fragment, the first contact site 11 is conductive with the parallel site portion being close to of the first conductive layer 21, conductive
On metal clips, the second contact site 12 is conductive with the site portion of the first clamping part 32 touching under external force, this two parts
Partially electronically conductive position connection on conducting metal shell fragment 1 is passed through at conductive position.
In conductive holding main body, the first main part 31 is conductive with the parallel site portion being close to of the second conductive layer 23, the first folder
Hold conductive with the site portion of the second contact site 12 touching under external force in portion 32, this two partially electronically conductive positions are passed through
Partially electronically conductive position connection in conductive holding main body 3.
Above-mentioned partially electronically conductive position can be made by using metal material or be realized by pasting the modes such as conductive layer.
It is not provided with extension stub-out on described FPC 2, but directly lead out holding wire and realize platform alignment letter
Number output.
In the present embodiment 2, the top surface of described print platform is circle, and described 3d printer platform alignment device includes 3
Above platform alignment folder, circumference is uniformly clamped in the edge of print platform top surface, realizes workmanship plate 9 and 3d printer
The clamping of workbench fixed mount 8 and 3d print platform calibration function.
Taking embodiment 1 as a example, the course of work of 3d printer platform alignment device that the present invention provides and principle are: will press from both sides
Hold after second clamping part 42 is fixed on the bottom surface of workbench fixed mount 8 on shell fragment 4, be rotated through bearing pin 6 with holding shrapnel 4 even
The conductive holding main body 3 connecing workmanship plate 9 so that the first clamping part 32 of conductive holding main body 3 is fitted under external force turning effort
Top surface, in rotary course, 32 1 power upwards of the first clamping part given by workmanship plate 9, so that the first clamping part 32 leads to
Cross a power upwards to holding shrapnel 4 for the bearing pin 6, holding shrapnel 4 is subject to the bottom surface of workbench fixed mount 8 to give to press from both sides simultaneously
Hold 4 one downward power of shell fragment, under the comprehensive function of this two external force, holding shrapnel occurs certain elastic deformation, according to bullet
Property deformation principle, holding shrapnel can to it is applied external force part formed reaction force, that is, give workbench fixed mount 8 bottom
One, face power upwards, and one downward power of top surface of workmanship plate 9 is given by bearing pin 6 and the first clamping part 32, now parallel
The first clamping part 32 of conductive holding main body and the second clamping part 42 of holding shrapnel between define a chucking power, thus
Firmly achieve this position workmanship plate 9 and workbench fixed mount 8 grips effect, both achieved this position print flat
Platform grip effect.
When carrying out 3d print platform calibration operation, 3d printing head be displaced to platform alignment folder top and downwards give lead
12 1 downward external force of the second contact site of electric metal shell fragment, the second contact site 12 under external force with conductive holding main body
3 the first clamping part 32 is touched；For circuit, in the moment of touching, the second contact site 12 is connected with the first clamping part 32；From
And make the first contact site 11 connecting with the second contact site 12, and the first main part 31 connecting with the first clamping part 32 is even
Logical；And then make and parallel the first conductive layer 21 being close to of the first contact site 11, and parallel with the first main part 31 be close to the
Two conductive layers 23 connect, that is, make short circuit between the first conductive layer 21 and the second conductive layer 23；When 3d printing head lifts no longer
When applying external force to second contact site 12 of conducting metal shell fragment, the second contact site 12 is upspring and is recovered and stayed with the first clamping part 32
There is gap, for circuit, the second contact site 12 is disconnected with the first clamping part 32, and as above principle finally makes the first conductive layer
21 and second conductive layer 23 separated formation open circuit (or open circuit).So, by the first conductive layer 21 and the second conductive layer 23
Extension stub-out or the holding wire directly leading out, it is possible to achieve the output of the platform alignment signal of existing clamp and calibration site
(as measured the methods such as the change of the electric current between two conductive layers or resistance)；Certainly, by needing institute according to actual conditions
Arrange multiple platform alignment folders, it is possible to achieve the clamping of 3d print platform diverse location and calibration function.Thus achieving
The top and bottom of retaining part are while the firm clamping action of plane-parallel 3d print job platform it is achieved that platform alignment
The accurate output of signal, saves the former calibration accessory that need in addition configure, and has saved having of the preciousness that former calibration accessory takies
Effect 3d print space, has higher practicality and promotional value.
Above row of implementing do not constitute restriction to the present invention, and relevant staff is in the scope without departing from the technology of the present invention thought
Interior, carried out various change and modifications, all fall within protection scope of the present invention.
Claims (9)
1. a kind of 3d printer platform alignment device it is characterised in that: include being arranged on printing head on 3d printer, printing
Platform and platform alignment folder；Described platform alignment folder includes conducting metal shell fragment, FPC and is used for clamping print platform
Clip；
Described clip is included conductive holding main body and is adapted to holding shrapnel for Gripping platform with it, described conductive holding main body
The first clamping part be connected including the first main part and with the first main part, described holding shrapnel includes and described first clamping part
The second parallel clamping part, and extend from the second clamping part and the downward extension shrapnel part tilting of the second clamping part relatively；Institute
State FPC and include the first conductive layer and the second conductive layer, between the first conductive layer and the second conductive layer, be provided with insulating barrier；
Described conducting metal shell fragment includes the first contact site, and be connected with the first contact site, under the effect of printing head external force
Can touch with the first clamping part, no printing head external force acts on lower the second contact site leaving gap with the first clamping part；
Described first contact site is parallel with the first conductive layer of FPC to be close to, described first main part and FPC
The second conductive layer parallel be close to.
2. 3d printer platform alignment device according to claim 1 it is characterised in that: the of described conducting metal shell fragment
One contact site is passed through the resilient linking arm of tool and is connected with the second contact site.
3. 3d printer platform alignment device according to claim 1 it is characterised in that: also include for fixing conductive gold
Belong to the fixed seat of shell fragment, described fixed seat is provided with the draw-in groove of corresponding conducting metal shell fragment, described fixed seat, conducting metal shell fragment
The first main part of the first contact site, FPC and conductive holding main body be fastenedly connected by rivet or bolt.
4. 3d printer platform alignment device according to claim 1 it is characterised in that: described holding shrapnel and conductive clip
Hold main body to connect by bearing pin, the second clamping part of described holding shrapnel is provided with perforation.
5. 3d printer platform alignment device according to claim 1 it is characterised in that: described second contact site is no outer
Lower the second contact site with the first clamping part parallel interval setting of power effect.
6. 3d printer platform alignment device according to claim 1 it is characterised in that: described conductive holding main body is complete
Conductive or partially electronically conductive conductive holding main body, described conducting metal shell fragment is entirely conductive or partially electronically conductive conducting metal bullet
Piece.
7. 3d printer platform alignment device according to claim 1 it is characterised in that: described conductive holding main body be lead
The conductive holding main body that electric metal material is made, the conducting metal bullet that described conducting metal shell fragment is made for conductive metallic material
Piece.
8. 3d printer platform alignment device according to claim 1 it is characterised in that: described FPC also includes
Flexible extension stub-out, described extension stub-out includes connecting the first extension conductive layer of the first conductive layer and connecting second leading
Second extension conductive layer of electric layer.
9. 3d printer platform alignment device according to claim 1 it is characterised in that: include plural being clamped in
Platform alignment folder on print platform edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510090271.5A CN104802403B (en) | 2015-02-27 | 2015-02-27 | Platform calibration device for 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510090271.5A CN104802403B (en) | 2015-02-27 | 2015-02-27 | Platform calibration device for 3D printer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104802403A CN104802403A (en) | 2015-07-29 |
| CN104802403B true CN104802403B (en) | 2017-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510090271.5A Active CN104802403B (en) | 2015-02-27 | 2015-02-27 | Platform calibration device for 3D printer |
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| CN (1) | CN104802403B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109421253B (en) * | 2017-08-21 | 2020-12-04 | 三纬国际立体列印科技股份有限公司 | Forming platform of three-dimensional printing device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203805320U (en) * | 2013-10-17 | 2014-09-03 | 广东拓斯达科技股份有限公司 | Calibration workbench for 3-dimensional printer |
| CN203957356U (en) * | 2014-05-21 | 2014-11-26 | 北京易速普瑞科技有限公司 | A kind of 3D printer self-level(l)ing device and 3D printer |
| CN204076857U (en) * | 2014-10-29 | 2015-01-07 | 成都金采科技有限公司 | A kind of 3D printer with levelling gear |
| CN204505851U (en) * | 2015-02-27 | 2015-07-29 | 江苏浩宇电子科技有限公司 | 3D printer platform alignment device |
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