CN207630532U - 3d printer - Google Patents
3d printer Download PDFInfo
- Publication number
- CN207630532U CN207630532U CN201720981422.0U CN201720981422U CN207630532U CN 207630532 U CN207630532 U CN 207630532U CN 201720981422 U CN201720981422 U CN 201720981422U CN 207630532 U CN207630532 U CN 207630532U
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- Prior art keywords
- axis
- print platform
- lead screw
- guiding mechanism
- printing
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Abstract
The utility model is related to 3D printing technique fields, more particularly to a kind of 3D printer, including pedestal, print platform and at least two Z axis lead screw motors；At least two Z axis lead screw motors are set on the base, and each Z axis lead screw motor is sequentially connected with print platform, to drive print platform to do linear motion close or far from pedestal along Z-direction；At least two Z axis lead screw motors are uniformly distributed with the central symmetry of print platform；The both sides of each Z axis lead screw motor respectively be arranged there are one Z axis guiding mechanism, one end of each Z axis guiding mechanism is fixedly connected with pedestal；Print platform is slidably connected on Z axis guiding mechanism, and can be moved along Z axis guiding mechanism.The 3D printer, and distributing equilibrium sufficiently large to the driving force of print platform, while guide and limit is carried out to the movement of print platform by Z axis guiding mechanism, the stationarity and accuracy of the movement of print platform are improved, and then the working efficiency of printer can be improved.
Description
Technical field
The utility model is related to 3D printing technique fields, more particularly to a kind of 3D printer.
Background technology
3D printer generally prints 3D solid using XYZ three-axis moving modes currently on the market.The drive mechanism of XY axis
It is fixed on top, is successively declined by Z axis and is printed.XYZ axis zero is limited by hitting microswitch.And it prints
First zero shock position limited inching switch makes print head and print platform when the pause that machine is generally supported subsequently is got through frequently with continuous beat
Positioned at zero, the correspondence before then making print head and print platform be moved to pause according to the XYZ position coordinates recorded when suspending
Position continues to print.
Traditional 3D printer currently on the market, generally to printing by the way of single Z axis lead screw motor, double guiding optical axises
Platform is driven, and is oriented to optical axis and is located at lead screw motor both sides.Print platform Z-direction (upper and lower directions of platform moves) zero
It is to move upwards to hit a microswitch to realize by print platform.
Printing caused by traditional 3D printer Z axis jacking system is primarily present Z axis lead screw motor driving force not enough as a result,
Model does not plan a successor, print platform is not sufficiently stable the problems such as shaking.Simultaneously because the injustice of the driving force to print platform
Weighing apparatus so that the levelness of print platform is bad, leads to not accurately position print platform, therefore when can cause continuous beat
Since positioning malfunctions, the problem of can not continuing to print.
Utility model content
Based on this, it is necessary to for the problem of traditional 3D printer driving force is insufficient, print platform can not be accurately positioned, carry
Stablize for a kind of driven to print platform, the 3D printer of accurate positioning.
Above-mentioned purpose is achieved through the following technical solutions：
A kind of 3D printer, including pedestal, print platform and at least two Z axis lead screw motors；
At least two Z axis lead screw motors are set on the base, and each Z axis lead screw motor is sequentially connected with print platform,
To drive print platform to do linear motion close or far from pedestal along Z-direction；
At least two Z axis lead screw motors are uniformly distributed with the central symmetry of print platform；The both sides of each Z axis lead screw motor
Respectively there are one Z axis guiding mechanisms for setting, and one end of each Z axis guiding mechanism is fixedly connected with pedestal；Print platform is slided
It is dynamic to be connected on Z axis guiding mechanism, and can be moved along Z axis guiding mechanism.
3D printer further includes Z axis limit switch in one of the embodiments, and Z axis limit switch is set on the base,
Position for positioning printing platform.
Z axis limit switch is multiple in one of the embodiments,；Each Z axis lead screw motor position corresponds to cloth
Set a Z axis limit switch.
It is provided with accordingly on print platform in one of the embodiments, and the matched sliding part of Z axis guiding mechanism.
Z axis guiding mechanism is to be oriented to optical axis in one of the embodiments,.
Sliding part is linear bearing in one of the embodiments,.
Z axis guiding mechanism is sliding rail in one of the embodiments,.
Sliding part is sliding block in one of the embodiments,.
Print platform includes printing substrate and printing support plate in one of the embodiments, and printing support plate is removably set
It sets on printing substrate；Nut is connect with printing substrate；Printing substrate is slidably connected with Z axis guiding mechanism.
Printing support plate is detachably connected by leveling serew and printing substrate in one of the embodiments,.
Above-mentioned 3D printer drives print platform to be moved along Z-direction simultaneously by multiple Z axis lead screw motors, and multiple Z
Axis printer is uniformly distributed with the central symmetry of print platform, therefore and distributing equilibrium sufficiently large to the driving force of print platform,
Print platform is smoothly moved along Z-direction, is not in that print platform shakes or because driving force not enough causes
Printer model tomography and the phenomenon that position inaccurate.The both sides of each Z axis lead screw motor are both provided with Z axis guiding simultaneously
Mechanism further improves the stationarity and standard of the movement of print platform for carrying out guide and limit to the movement of print platform
True property.
Further, it is provided with multiple Z axis limit switches on pedestal, such as Z axis limit switch is corresponded into Z axis lead screw electricity
Machine distribution setting, since Z axis lead screw motor is equally distributed, then Z axis limit switch is also equally distributed.Work as time-out printing
Later, continue print platform when beating and be first attributed to zero along Z axis, under the driving of Z axis lead screw motor, print platform is close to each Z axis
Z axis limit switch near lead screw motor, when each Z axis limit switch is triggered, then it represents that print platform is accurately fixed at this time
Positioned at zero, print platform level thus can ensure that；The corresponding position before pause is moved to after print platform zero again, due to returning
Zero position accurate positioning, the positioning for returning to time-out position also can be accurate, the position of print platform when being beaten to ensure that printer is continuous
The accuracy of positioning.
Description of the drawings
Fig. 1 is the structural upright schematic diagram for the 3D printer that the utility model embodiment provides；
Fig. 2 is the structure of the main view for the 3D printer that the utility model embodiment provides.
Wherein：
100- pedestals；
110-Z axis limit switches；
200- print platforms；
210- sliding parts；220- printing substrates；230- prints support plate；
240- leveling serews；
300-Z axis lead screw motors；
400-Z axis guiding mechanisms.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, by the following examples, it and ties
Attached drawing is closed, the 3D printer of the utility model is further elaborated.It should be appreciated that specific implementation described herein
Example only to explain the utility model, is not used to limit the utility model.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.On the contrary, when element is referred to as " directly existing " another element "upper",
There is no intermediary elements.Term as used herein " vertically ", " horizontal ", "left", "right" and similar statement are
For illustrative purposes.
As depicted in figs. 1 and 2, the 3D printer that one embodiment of the utility model provides, including pedestal 100, print platform
200 and at least two Z axis lead screw motors 300；At least two Z axis lead screw motors 300 are arranged on pedestal 100, each Z axis
Lead screw motor 300 is sequentially connected with print platform 200, to drive print platform 200 to be done the bottom of close to or far from along Z-direction
The linear motion of seat 100；
At least two Z axis lead screw motors 300 are uniformly distributed with the central symmetry of print platform 200；Each Z axis lead screw motor
300 both sides are respectively arranged there are one Z axis guiding mechanism 400, and one end of each Z axis guiding mechanism 400 is solid with pedestal 100
Fixed connection；Print platform 200 is slidably connected on Z axis guiding mechanism 400, and can be moved along Z axis guiding mechanism 400.
Wherein, print platform 200 can be rectangle, the shape of square or circle etc. rule, naturally it is also possible to
It is other irregular shapes.The quantity of Z axis lead screw motor 300 can be two, three, even more.When Z axis lead screw motor
300 be two when, two Z axis lead screw motors 300 are distributed in the centrosymmetric opposite both sides of print platform 200, when Z axis silk
When bar motor 300 is three or more, Z axis lead screw motor 300 is uniformly distributed with the central symmetry of print platform 200
In the side of print platform 200, as long as ensureing to make the driving force suffered by print platform 200 to keep balance.
And the structure of Z axis lead screw motor 300 is the more mature prior art, can include at least motor, be set along Z axis
The lead screw set, and the nut with lead screw cooperation.When installation, one end of lead screw is connect across pedestal 100 with motor output shaft, spiral shell
Mother is arranged in the other end of lead screw, and print platform 200 is fixed with nut.Lead screw rotation is driven when motor rotates, and due to silk
Bar rotation drives nut to be moved along Z axis so that print platform 200 is moved relative to pedestal 100 along Z axis.Certainly, in other implementations
In example, Z axis lead screw motor can also be to drive print platform 200 to be moved along Z axis by ball screw and bearing fit.
It can be that print platform 200 provides enough driving forces that multiple Z axis lead screw motors 300 are provided on pedestal 100,
The shaking of print platform 200 is eliminated, the robust motion of print platform 200 is improved, improves the working efficiency of printer.
In addition, the quantity of Z axis guiding mechanism 400 corresponds to the number of Z axis lead screw motor 300 and is arranged.With Z axis lead screw motor
300 be two, and two Z axis lead screw motors 300 are distributed in for the centrosymmetric both sides of print platform 200, each Z axis lead screw
The both sides of motor 300 are respectively equipped with a Z axis guiding mechanism 400, i.e. Z axis guiding mechanism 400 is four altogether.In motor both sides
Z axis guiding mechanism 400 is set, print platform 200 be slidably connected on Z axis guiding mechanism 400, when Z axis lead screw motor 300 drives
For print platform 200 along during Z-direction moves, Z axis guiding mechanism 400 plays the role of guide and limit, is further ensured that
The stationarity that print platform 200 moves.
It is appreciated that two Z axis lead screw motors 300 are relative symmetry setting, then four Z axis guiding mechanisms 400 are also
Relative symmetry is arranged two-by-two so as to the force balance of the both sides of print platform 200, ensures that print platform 200 moves flat
Stability.Referring to Fig. 1, relative symmetry is arranged four Z axis guiding mechanisms 400 two-by-two, including a kind of situation be two of the same side
The plane that the Z axis lead screw motor 300 of Z axis guiding mechanism 400 and the side is formed, with two Z axis guiding mechanisms 400 of opposite side and
The plane that Z axis lead screw motor 300 is formed is parallel, and the balance of such print platform 200 is relatively good.
Certainly, it is also not excluded for that 300 shape of Z axis lead screw motor of two Z axis guiding mechanisms 400 and the side of the same side can be made
At plane, the plane formed with the two Z axis guiding mechanisms 400 and Z axis lead screw motor 300 of opposite side is in angle setting.Very
Extremely, there can also be other deformations, such as two Z axis guiding mechanisms 400 of each Z axis lead screw motor 300 and its both sides can be in three
Angle is arranged.
Print platform 200 be slidably connected to the mode on Z axis guiding mechanism 400 can there are many, can implement as one kind
Mode, be provided with accordingly on print platform 200 with 400 matched sliding part 210 of Z axis guiding mechanism, pass through the sliding
Part 210 makes print platform 200 be slidably connected on Z axis guiding mechanism 400.
And the structure type of above-mentioned Z axis guiding mechanism 400 and sliding part 210 can be a variety of, be beaten as long as can allow
Print platform 200 is smoothly moved along Z-direction, such as：Z axis guiding mechanism 400 is to be oriented to optical axis, and sliding part 210 is
Linear bearing.For another example Z axis guiding mechanism 400 is sliding rail, and sliding part 210 is sliding block.For another example, Z axis guiding mechanism 400 is to be oriented to
Slot, and sliding part 210 is sliding block.
In other embodiments, Z axis guiding mechanism 400 can be guide rod, and accordingly has and lead on print platform 200
The through-hole coordinated to bar, can also realize that print platform 200 is slidably connected on Z axis guiding mechanism 400, and the section of guide rod can
Think that then through-hole is also correspondingly square hole, round hole or tri-angle-holed to rectangular, round either triangle etc..
As a kind of enforceable mode, 3D printer further includes Z axis limit switch 110, and Z axis limit switch 110 is arranged
On pedestal 100, it to be used for the position of positioning printing platform 200.When print platform 200 is along during Z-direction moves, printing
Pause, print platform 200 can be moved downward along Z axis suddenly, triggered the Z axis limit switch being arranged on pedestal 100 and positioned.
Wherein, Z axis limit switch 110 can be microswitch or optoelectronic switch etc., and Z axis limit switch 110 can be
One, two, three it is even more.When Z axis limit switch 110 is multiple, multiple Z axis limit switches 110 can arbitrarily divide
Cloth is on pedestal 100, for being positioned to print platform 200.In the present embodiment, Z axis limit switch 110 is opened using fine motion
It closes.
Since Z axis limit switch 110 is arranged on pedestal 100, and the Z axis position limited inching switch of traditional 3D printer is set
It being placed on the XY axle allocation mechanisms of top, when printer pause, print platform need to be moved upwards and is zeroed, but due to printing
There is the model for having printed half on platform, causes print platform that can not move upwards and be accurately zeroed.And the present embodiment is beaten
Print machine is not in the phenomenon that print platform 200 can not move upwards accurate zero, can normally move downwardly to pedestal 100
Realize accurate zero in place.
Further, the not instead of Arbitrary distribution of multiple Z axis limit switches 110 is uniformly distributed in bottom on pedestal 100
On seat 100.For example, selectively, in each 300 position of Z axis lead screw motor one above-mentioned Z axis of corresponding arrangement
Limit switch 110.In this way, when Z axis lead screw motor 300 is two, Z axis limit switch 110 is also two, two Z axis limits
Switch 110 is symmetrically and evenly distributed on pedestal 100.When Z axis lead screw motor 300 is multiple, Z axis limit switch 110
To be multiple, and it is uniformly distributed on pedestal 100.When print platform 200 is zeroed along Z axis, in the drive of Z axis lead screw motor 300
Under dynamic, print platform 200 hits each microswitch respectively, and print platform 200 can be made finally to be positioned exactly on zero, and energy
Enough ensure that print platform 200 at this time is horizontal.Print platform 200 moves to the corresponding position before pause again after being zeroed, by
In zero position accurate positioning, the positioning for returning to time-out position also can be accurate, continues to go out when printing after effectively avoiding pause
The problems such as existing Z-direction tomography, Z axis height mistake, the position of print platform 200 positions when being beaten to ensure that printer is continuous
Accuracy.
As a kind of enforceable mode, print platform 200 includes printing substrate 220 and printing support plate 230, prints support plate
230 are removably disposed on printing substrate 220, the nut that the above-mentioned lead screw with Z axis lead screw motor 300 coordinates and printing base
Plate 220 connects；Printing substrate 220 is slidably connected with Z axis guiding mechanism 400.It is for carrying printing objects to print support plate 230
, it can be replaced according to the difference of printed matter, since printing support plate 230 is detachably connected with printing substrate 220,
Printing support plate 230 is only needed to change without integral replacing print platform 200, that is, is not necessarily to remove printing substrate 220 from lead screw,
It is removed from guiding mechanism 400 without by printing substrate 220 so that printer uses more convenient.
Further, printing support plate 230 is detachably connected by leveling serew 240 and printing substrate 220.Utilize leveling spiral shell
The levelness of 240 pairs of printing support plates 230 of silk is adjusted, and ensures that printing support plate 230 and the movement of printer upper end print head are flat
Face is parallel, avoid the occurrence of printing consumables can not strong bond on printing support plate 230, caused by alice, printing unsuccessfully etc. ask
Topic, in this way, further ensuring the accuracy of printer printing.
Selectively, leveling serew 240 can be 3,4 or more than.It is square (i.e. so that print platform 200 is whole
Printing support plate 230 is square with printing substrate 220), for leveling serew 240 is 3,3 leveling serews 240 can be to beat
Print the central symmetry distribution in equilateral triangle of support plate 230.And it prints support plate 230 and passes through leveling serew 240 with printing substrate 220
It is connected as the technology that those skilled in the art skillfully grasp, details are not described herein.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of 3D printer, which is characterized in that including pedestal, print platform and at least two Z axis lead screw motors；
On the base, each Z axis lead screw motor is flat with the printing for at least two Z axis lead screw motor setting
Platform is sequentially connected, to drive the print platform to do linear motion close or far from the pedestal along Z-direction；
At least two Z axis lead screw motor is uniformly distributed with the central symmetry of the print platform；Each Z axis lead screw electricity
The both sides of machine are respectively arranged there are one Z axis guiding mechanism, and one end of each Z axis guiding mechanism is fixed with the pedestal
Connection；The print platform is slidably connected on the Z axis guiding mechanism, and can be moved along the Z axis guiding mechanism.
2. 3D printer according to claim 1, which is characterized in that further include Z axis limit switch, the Z axis limit is opened
Close setting on the base, the position for positioning the print platform.
3. 3D printer according to claim 2, which is characterized in that the Z axis limit switch is multiple；Each Z
Axis lead screw motor position one Z axis limit switch of corresponding arrangement.
4. 3D printer according to claim 1, which is characterized in that be provided with accordingly on the print platform with it is described
The matched sliding part of Z axis guiding mechanism.
5. 3D printer according to claim 4, which is characterized in that the Z axis guiding mechanism is to be oriented to optical axis.
6. 3D printer according to claim 5, which is characterized in that the sliding part is linear bearing.
7. 3D printer according to claim 4, which is characterized in that the Z axis guiding mechanism is sliding rail.
8. 3D printer according to claim 7, which is characterized in that the sliding part is sliding block.
9. 3D printer according to claim 1, which is characterized in that the print platform includes that printing substrate and printing carry
Plate, the printing support plate are removably disposed on the printing substrate；
The nut coordinated with the lead screw of the Z axis lead screw motor is connect with the printing substrate；The printing substrate and the Z axis
Guiding mechanism is slidably connected.
10. 3D printer according to claim 9, which is characterized in that the printing support plate by leveling serew with it is described
Printing substrate is detachably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720981422.0U CN207630532U (en) | 2017-08-07 | 2017-08-07 | 3d printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720981422.0U CN207630532U (en) | 2017-08-07 | 2017-08-07 | 3d printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207630532U true CN207630532U (en) | 2018-07-20 |
Family
ID=62861770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720981422.0U Expired - Fee Related CN207630532U (en) | 2017-08-07 | 2017-08-07 | 3d printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207630532U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110948855A (en) * | 2018-09-27 | 2020-04-03 | 株式会社沙迪克 | Laminated shaping device |
| CN111331846A (en) * | 2020-03-24 | 2020-06-26 | 六安市博创科教仪器有限责任公司 | Leveling control system and leveling method for 3D printer |
| CN112519220A (en) * | 2020-10-21 | 2021-03-19 | 常熟理工学院 | Dual-drive lifting mechanism for 3D printing platform and 3D printing lifting platform |
| CN112571796A (en) * | 2020-10-21 | 2021-03-30 | 常熟理工学院 | 3D printing forming platform capable of being leveled |
-
2017
- 2017-08-07 CN CN201720981422.0U patent/CN207630532U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110948855A (en) * | 2018-09-27 | 2020-04-03 | 株式会社沙迪克 | Laminated shaping device |
| CN111331846A (en) * | 2020-03-24 | 2020-06-26 | 六安市博创科教仪器有限责任公司 | Leveling control system and leveling method for 3D printer |
| CN112519220A (en) * | 2020-10-21 | 2021-03-19 | 常熟理工学院 | Dual-drive lifting mechanism for 3D printing platform and 3D printing lifting platform |
| CN112571796A (en) * | 2020-10-21 | 2021-03-30 | 常熟理工学院 | 3D printing forming platform capable of being leveled |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201103 Address after: 052360 Zixi building, south of Liyuan street, Yuyu North Road, Xinji City, Shijiazhuang City, Hebei Province Patentee after: Xinji Zixi Technology Development Co.,Ltd. Address before: Room 601, Yuefu business building, No. 1, Yongding Road, Haidian District, Beijing, Beijing Patentee before: BEIJING ZIXI TECHNOLOGY DEVELOPMENT Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180720 Termination date: 20210807 |
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| CF01 | Termination of patent right due to non-payment of annual fee |