CN207972297U - A kind of three-dimensional printer - Google Patents
A kind of three-dimensional printer Download PDFInfo
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- CN207972297U CN207972297U CN201820342975.6U CN201820342975U CN207972297U CN 207972297 U CN207972297 U CN 207972297U CN 201820342975 U CN201820342975 U CN 201820342975U CN 207972297 U CN207972297 U CN 207972297U
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- pressure sensor
- support board
- dimensional printer
- sensor module
- pressure
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Abstract
The utility model provides a kind of three-dimensional printer, which includes the head device to move in the horizontal plane, the 3 D-printing platform, control unit and the display unit that vertically move；Head device includes fixed seat, print head and pressure sensor module, and pressure sensor module is removably mounted in fixed seat, and print head is removably mounted on pressure sensor module；3 D-printing platform includes three or more adjusting parts, support board and supporting table, and support board is arranged on multiple adjusting parts, and multiple adjusting parts penetrate supporting table and are detachably connected with support board respectively, and adjusting part is for making support board vertically move.Print platform weight can be reduced using the utility model, reduces cost, and the Adjustment precision of 3 D-printing platform can be improved.
Description
Technical field
The utility model is related to three-dimensional printer technology field more particularly to a kind of three-dimensional printers.
Background technology
Three-dimensional printer is a kind of machine using rapid shaping technique, based on digital model file, using molding
Material constructs three-dimensional entity by layer-by-layer printing.Before printing, it needs to utilize computer modeling software modeling,
Again the threedimensional model built up " subregion " is sliced at section successively, to instruct three-dimensional printer successively to print.Three-dimensional is beaten
Print machine has been widely used in product manufacturing industry, and the operation principle and conventional printer of three-dimensional printer are essentially identical, by
Control assembly, mechanical component, print head, consumptive material（That is moulding material）With the compositions such as medium, printing principle is also substantially similar.
3 D-printing head then forms 3D solid by squeezing out silk on 3 D-printing platform, when print platform with
When the nozzle of print head is not parallel, i.e., when print platform tilts, the model printed is susceptible to warpage or squeezes out silk
Problem is not connected, then model scrappage is higher.Therefore, it after printer manufacture, is required for before user's printing flat to printing
The flat conditions of platform adjust, but general adjustment only uses card between nozzle and print platform, then directly profit
It is realized with visual comparison, in this way in the presence of judging inaccurate and be easy that there are print-head nozzles to encounter print platform, causes to beat
Situations such as print platform scratches, seriously affects user experience.
To solve the above-mentioned problems, application No. is the Chinese invention patent application of CN201510760769.8, one is disclosed
Kind three-dimensional printer, which includes the print head to move in the horizontal plane, the 3 D-printing platform vertically moved and control
Unit processed, wherein 3 D-printing platform includes at least three support components and support board, and support board is arranged in multiple support components
On, support component includes pressure sensor and adjusting part, and pressure sensor is abutted with support board, and adjusting part is for making pressure
Sensor vertically moves.The application for a patent for invention also discloses a kind of 3 D-printing platform method of adjustment, it would be desirable to leveling
Support board setting is adjusted in support component, and by least three support components successively, and is adopted using pressure sensor
The pressure value of collection effectively improves calibration accuracy and convenience, then more effectively intuitively as school reference of reference
By support board leveling, forming quality is then improved.But this mode pressure sensor being arranged in 3 D-printing platform, not only
Weight can be increased to print platform, in fact it could happen that print platform deforms to influence print quality, and since print platform is set
It is equipped with heating plate, the position that pressure sensor is positioned close to heating plate is easy to cause pressure signal line exception, pressure is caused to pass
The problems such as feeling jitter.Meanwhile the method for adjustment of the 3 D-printing platform, using preset pressure value as benchmark to all
Supporting point be adjusted, be unfavorable for practical application, for example, equipment part replace or components aging etc. make preset pressure value with
There is deviation in actual pressure measuring value, and it is inaccurate to be easy to cause Adjustment precision.
Invention content
The main purpose of the utility model is to provide a kind of reduction print platform weight, reduces cost, and can improve adjustment
The three-dimensional printer of precision.
In order to realize above-mentioned main purpose, three-dimensional printer provided by the utility model includes beating of moving in the horizontal plane
Printing head device, 3 D-printing platform, control unit and the display unit vertically moved, control unit is for controlling print head
Device and the movement of 3 D-printing platform, control unit are electrically connected with display unit；Head device include fixed seat, print head with
And pressure sensor module, pressure sensor module are removably mounted in fixed seat, print head is removably mounted at pressure biography
In sensor module；3 D-printing platform includes three or more adjusting parts, support board and supporting table, and support board is arranged in multiple tune
It saves on component, multiple adjusting parts penetrate supporting table and are detachably connected with support board respectively, and adjusting part is for making support board edge
Vertical movement；Pressure sensor module exports acquisition signal to control unit, and control unit is according to acquisition signal to display unit
Export current pressure values.
By said program as it can be seen that the three-dimensional printer of the utility model is by being arranged pressure sensor module in print head
On device, avoid increase 3 D-printing platform weight, influence print quality, meanwhile, avoid by pressure sensor setting by
The position of nearly heating plate is easy to cause pressure signal line exception, the problems such as causing pressure sensor signal unstable.In addition, using beating
Head measured pressure value is printed, the quantity of setting pressure sensor can be reduced, it is cost-effective.
In further embodiment, pressure sensor module includes top board, pressure sensor and mounting base, and pressure passes
Inductor component is mounted in the mounting groove of mounting base, and top board is pressed against on pressure sensor, and print head is mounted on top board.
It can be seen that top board is pressed against on pressure sensor, and print head is mounted on top board, can pass through acquisition
Pressure sensor is judged the pressure suffered by print head when print head is contacted with support board by the pressure size of top board.
In further embodiment, the two side walls of mounting groove are respectively arranged with stage, the upper surface of stage to mounting base just
It is identical as the thickness of pressure sensor to the height on the surface of top board；Pressure sensor is provided with elastic portion and fixation
Portion, elastic portion are integrally formed with fixed part, and fixed part is mounted in stage, and elastic portion is vacantly arranged；Top board gland is in elasticity
In portion.
It can be seen that setting stage, avoids the thickness of pressure sensor from being more than the upper surface of stage to mounting base face
The height on the surface of top board causes measurement error to make top board or other assemblies press pressure sensor.In addition,
Dynamics can be concentrated on elastic portion by top board only gland in the elastic portion of pressure sensor, improve measurement accuracy.
In further embodiment, the quantity of pressure sensor is two, and two pressure sensors pass through bridge circuit
Connection.
It can be seen that two pressure sensors of setting, and be attached by bridge circuit, pressure sensor can be improved
The measurement accuracy of module.
In further embodiment, adjusting part includes bolt and spring part, and spring part is sleeved on bolt, and the two of spring part
End is abutted with support board and supporting table respectively.
It can be seen that pocketed springs part and abutted at the both ends of spring part with support board and supporting table respectively on bolt,
It can be conducive to carry out subtle operation when adjusting, keep adjusting more accurate.
In further embodiment, support board includes glassy layer and heating layer, and glassy layer and heating layer are detachably connected, heating
Layer and the adjustable connection of adjusting part.
It can be seen that when being printed, print platform temperature is relatively low, and printed material temperature is higher, if do not put down to printing
Platform is heated, then the object printed is susceptible to warpage or printed material occurs and can not be bonded on print platform, model
Scrappage is higher, therefore, heating layer is arranged, is heated to glassy layer, makes the printed material of extrusion that can preferably be bonded in and beats
It prints on platform.
In further embodiment, 3 D-printing platform further includes two holders being oppositely arranged, the opposite side of two holders
Be both provided with multiple mounting grooves on wall, be provided with the convex block with mounting groove respective numbers in the two side walls of supporting table, convex block with
Mounting groove is interference fitted.
It is connected it can be seen that holder carries out installation using convex block with supporting table with the interference fit of mounting groove, it is easy to disassemble
Maintenance.
Description of the drawings
Fig. 1 is the structure chart of the utility model three-dimensional printer embodiment.
Fig. 2 is the STRUCTURE DECOMPOSITION of head device and 3 D-printing platform in the utility model three-dimensional printer embodiment
Figure.
Fig. 3 is the structure chart of head device in the utility model three-dimensional printer embodiment.
Fig. 4 is the structural exploded view of pressure sensor module in the utility model three-dimensional printer embodiment.
Fig. 5 is the structure chart of top board in the utility model three-dimensional printer embodiment.
Fig. 6 is the structural exploded view of support board in the utility model three-dimensional printer embodiment.
Fig. 7 is the structure chart of adjusting part in the utility model three-dimensional printer embodiment.
Fig. 8 is the structure chart of holder and supporting table in the utility model three-dimensional printer embodiment.
The utility model is described in further detail with reference to the accompanying drawings and embodiments.
Specific implementation mode
As shown in Figure 1, the three-dimensional printer of the utility model includes being installed in beating in the framework 1 of three-dimensional printer
Printing head device 2 and 3 D-printing platform 3.Wherein, head device 2 can move in the horizontal plane, and 3 D-printing platform 3 can be along vertical
To movement.Three-dimensional printer further includes control unit（It is not shown）And display unit 4, control unit is for controlling print head cartridge
2 and the movement of 3 D-printing platform 3 are set, control unit is electrically connected with display unit 4.
Referring to Fig. 2 and Fig. 3, head device 2 includes fixed seat 6, print head 5 and pressure sensor module 7, and pressure passes
Sensor module 7 is removably mounted in fixed seat 6, and print head 5 is removably mounted on pressure sensor module 7.Print head cartridge
It further includes the driving motor 8 for being removably mounted at fixed seat 6 to set 2, and driving motor 8 is for driving printed material to go to ground from top to bottom
Conveying.
Referring to Fig. 4, pressure sensor module 7 includes top board 73, pressure sensor 72 and mounting base 71, and pressure passes
Inductor component 72 is mounted in the mounting groove 711 of mounting base 71, and top board 73 is pressed against on pressure sensor 72, and print head 5 is pacified
On top board 73.The two side walls of mounting groove 711 are respectively arranged with stage 7111, the upper surface of stage 7111 to mounting base
The height on the surface 713 of 71 face top boards 73 is identical as the thickness of pressure sensor 72.Pressure sensor 72 is provided with
Elastic portion 722 and fixed part 721, elastic portion 722 are integrally formed with fixed part 721, and fixed part 721 is mounted on stage 7111
On, elastic portion 722 is vacantly arranged, and 73 gland of top board is in elastic portion 722.In the present embodiment, the number of pressure sensor 72
Amount is two, and mounting base 71 is correspondingly arranged two mounting grooves 711, and two mounting grooves 711 are separately positioned on the both ends of mounting base 71,
Two pressure sensors 72 are connected by bridge circuit, and pressure sensor is connected as known technology by bridge circuit, herein
It repeats no more.
Referring to Fig. 5, the central region of top board 73 is provided with mounting hole 731 and fixing threaded hole 732, mounting hole 731 and solid
Determine screw hole 732 vertically and communicate setting, print head 5 can be inserted into mounting hole 731, and fixing threaded hole 732 can be packed into screw（It is not shown）,
Pass through screw fixing printing head 5.Top board 73 is also set up there are two perforation 733, and top board 73 passes through two perforation 733 and driving
Motor 8 is detachably connected.Top board 73 is additionally provided with convex block 734, and convex block 734 and the elastic portion 722 of pressure sensor 72 are right
It should be arranged, in the present embodiment, convex block 734 is provided with 4, and 734 gland of convex block is in elastic portion 722.Mounting base 71 and mounting hole
731 opposite positions are provided with receiving hole 712, and print head 5 is connect across receiving hole 712 with top board 73, and receiving hole 712 is than peace
It is big to fill hole 731, is conveniently adjusted the position of top board 73 and pressure sensor 72.
As can be seen that 3 D-printing platform 3 includes three or more adjusting parts 31, support board 33 and branch from Fig. 1 and Fig. 2
Platform 32 is supportted, support board 33 is arranged on multiple adjusting parts 31, and multiple adjusting parts 31 penetrate supporting table 32 and support board respectively
33 are detachably connected, and adjusting part 31 is for making support board 33 vertically move.In the present embodiment, the quantity of adjusting part 31 is
3.Referring to Fig. 6, support board 33 includes glassy layer 331 and heating layer 332, and glassy layer 331 and heating layer 332 are detachably connected,
After 332 electrified regulation of heating layer heat can be transmitted to glassy layer 331.Heating layer 332 is provided with screw hole 333, heating layer 332 with
The adjustable connection of adjusting part 31.Referring to Fig. 7, adjusting part 31 includes bolt 311 and spring part 312, and spring part 312 is sleeved on
On bolt 311, the both ends of spring part 312 are abutted with support board 33 and supporting table 32 respectively.
Referring to Fig. 8,3 D-printing platform 3 further includes two holders 34 being oppositely arranged, the opposite side wall of two holders 34
On be both provided with multiple mounting grooves 341, the convex block with 341 respective numbers of mounting groove is provided in the two side walls of supporting table 32
321, convex block 321 is interference fitted with mounting groove 341.Supporting table 32 be additionally provided with can installation bolt 311 screw hole 322, screw hole 322
Quantity it is identical as 311 quantity of bolt.
In order to better illustrate the utility model, below to the tune of the 3 D-printing platform of the utility model three-dimensional printer
Adjusting method is described.
The utility model is when carrying out the adjustment of 3 D-printing platform 3, and first, control unit obtains print head 5 and loading
Pressure when 33 contactless state of plate suffered by pressure sensor 73, using corresponding pressure value as initial pressure value.Printing
First 5 with support board 33 when being in contact condition, and what the pressure suffered by pressure suffered by pressure sensor 73 can respond subtracts
It is small, the pressure size suffered by print head 5 can be calculated by the amplitude that pressure reduces.
Then, head device 2 is moved to the top that support board 33 corresponds to first adjusting part 31.Carrying out three-dimensional
It when the adjustment of print platform 3, is mainly adjusted by adjusting part 31, therefore only needs to measure corresponding to adjusting part 31
The pressure value of position.First adjusting part 31 can be any one in 31 adjusting part 31 of all adjusting parts,
It can be by application developer's self-defining.
After head device 2 to be moved to the top that support board 33 corresponds to first adjusting part 31, support board 33 is controlled
It is moved to default dead-center position towards head device 2 with default resolution ratio, control unit exports first pressure to display unit 4
Value.Wherein, it can be by application developer's self-defining, for example, control support board to preset resolution ratio and default dead-center position
33 are raised slowly to default dead-center position with 0.01 millimeter of resolution ratio.After support board 33 is moved to dead-center position, control unit
It obtains the gathered data of pressure sensor 73 and first pressure value is exported to display unit 4 according to gathered data.If the first pressure
Force value is equal with initial pressure value, then it is assumed that print head 5 is in contactless state with support board 33, needs to readjust first
Adjusting part 31 makes print head 5 be in contact condition with support board 33；If first pressure value is less than initial pressure value, then it is assumed that
Print head 5 is in contact condition with support board 33, and first pressure value is preserved.
After obtaining first pressure value, on the basis of first pressure value, successively to the position corresponding to residual accommodation component 31
Carry out pressure calibration.
Include to the step of position progress pressure calibration corresponding to residual accommodation component 31 successively：Head device 2 moves
It moves to support board 33 and corresponds to the top of adjusting part 31 to be calibrated, support board 33 is moved with default resolution ratio towards head device 2
It moves to default dead-center position, control unit exports second pressure value to display unit 4.Certainly, measurement position is being replaced each time
When, support board 33 need to fall before scheduled distance, for example, 0.5 millimeter, avoid the quilt in 5 moving process of print head of support board 33
Damage.
After obtaining second pressure value, on the basis of first pressure value, to the adjusting part of 2 current institute's face of head device
31 are adjusted, and keep second pressure value equal with first pressure value.When obtaining second pressure value, display unit 4 is shown simultaneously
First pressure value and second pressure value, the adjustment of component 31 is adjusted convenient for user.
Further include to the step of position progress pressure calibration corresponding to residual accommodation component 31 successively：Control unit according to
First pressure value and the comparison result of second pressure value export prompt operation information to display unit 4.For example, working as first pressure value
When bigger than second pressure value, output prompt operation information " please adjusting support board downwards "；When first pressure value is than second pressure value
Hour, output prompt operation information " support board please be adjusted up ".
After having adjusted remaining adjusting part 31, in order to improve the accuracy of detection, also need again on support board 33
The position of corresponding first adjusting part 31 is detected, it is ensured that the pressure value detected twice is equal, to complete 3 D-printing
The Levelling operation of platform.
It can be seen from the above, the three-dimensional printer of the utility model is by being arranged pressure sensor module in head device
On, the weight for increasing 3 D-printing platform is avoided, print quality is influenced, meanwhile, it avoids being positioned close to add by pressure sensor
The position of hot plate is easy to cause pressure signal line exception, the problems such as causing pressure sensor signal unstable.In addition, utilizing print head
Measured pressure value can reduce the quantity of setting pressure sensor, cost-effective.The 3 D-printing platform adjustment side of the utility model
Calibration benchmark of the method by using the first pressure value measured in first supporting point as other supporting points can be convenient for data
It is adjusted, simplifies design cycle, meanwhile, using the first pressure value of measurement gained as calibration benchmark, rather than utilize pre-
If pressure value as benchmark, can be made closer in real-time applicable cases, preventing a reference value after printer aging from deviation occur
At alignment error.
It should be noted that these are only the preferred embodiment of the utility model, but the design concept invented is not limited to
In this, all insubstantial modifications made to the utility model using this design also each fall within the scope of protection of the utility model
Within.
Claims (7)
1. a kind of three-dimensional printer, including move in the horizontal plane head device, vertically move 3 D-printing platform,
Control unit and display unit, described control unit are moved for controlling the head device and the 3 D-printing platform
Dynamic, described control unit is electrically connected with the display unit；
It is characterized in that：
The head device includes fixed seat, print head and pressure sensor module, and the pressure sensor module is removable
It unloads in the fixed seat, the print head is removably mounted on the pressure sensor module；
The 3 D-printing platform includes three or more adjusting parts, support board and supporting table, and the support board is arranged multiple
On the adjusting part, multiple adjusting parts penetrate the supporting table and are detachably connected with the support board respectively, described
Adjusting part is for making the support board vertically move；
The pressure sensor module exports acquisition signal to described control unit, and described control unit is according to the acquisition signal
Current pressure values are exported to the display unit.
2. three-dimensional printer according to claim 1, which is characterized in that
The pressure sensor module includes top board, pressure sensor and mounting base, the pressure sensor installation
In the mounting groove of the mounting base, the top board is pressed against on the pressure sensor, and the print head is mounted on institute
State top board.
3. three-dimensional printer according to claim 2, which is characterized in that
The two side walls of the mounting groove are respectively arranged with stage, the upper surface of the stage to the mounting base face top board
Surface height it is identical as the thickness of the pressure sensor；
The pressure sensor is provided with elastic portion and fixed part, and the elastic portion is integrally formed with the fixed part, institute
Fixed part is stated in the stage, the elastic portion is vacantly arranged；
The top board gland is in the elastic portion.
4. three-dimensional printer according to claim 2, which is characterized in that
The quantity of the pressure sensor is two, and two pressure sensors are connected by bridge circuit.
5. three-dimensional printer according to any one of claims 1 to 4, which is characterized in that
The adjusting part includes bolt and spring part, and the spring part is sleeved on the bolt, the both ends of the spring part
It is abutted respectively with the support board and the supporting table.
6. three-dimensional printer according to any one of claims 1 to 4, which is characterized in that
The support board includes glassy layer and heating layer, and the glassy layer and the heating layer are detachably connected, the heating layer
With the adjustable connection of the adjusting part.
7. three-dimensional printer according to any one of claims 1 to 4, which is characterized in that
The 3 D-printing platform further includes two holders being oppositely arranged,
Be both provided with multiple mounting grooves on the opposite side wall of two holders, be provided in the two side walls of the supporting table with
The convex block of the mounting groove respective numbers, the convex block are interference fitted with the mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820342975.6U CN207972297U (en) | 2018-03-13 | 2018-03-13 | A kind of three-dimensional printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820342975.6U CN207972297U (en) | 2018-03-13 | 2018-03-13 | A kind of three-dimensional printer |
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| Publication Number | Publication Date |
|---|---|
| CN207972297U true CN207972297U (en) | 2018-10-16 |
Family
ID=63765408
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820342975.6U Active CN207972297U (en) | 2018-03-13 | 2018-03-13 | A kind of three-dimensional printer |
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| Country | Link |
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| CN (1) | CN207972297U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108481741A (en) * | 2018-03-13 | 2018-09-04 | 珠海天威飞马打印耗材有限公司 | A kind of three-dimensional printer and 3 D-printing platform method of adjustment |
| CN109532024A (en) * | 2018-11-28 | 2019-03-29 | 广州黑格智造信息科技有限公司 | Print starting point method of adjustment, device and 3D printer |
| CN110646646A (en) * | 2019-10-31 | 2020-01-03 | 威斯坦(厦门)实业有限公司 | Ageing rack control method for automatically detecting 3D main controller |
-
2018
- 2018-03-13 CN CN201820342975.6U patent/CN207972297U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108481741A (en) * | 2018-03-13 | 2018-09-04 | 珠海天威飞马打印耗材有限公司 | A kind of three-dimensional printer and 3 D-printing platform method of adjustment |
| CN109532024A (en) * | 2018-11-28 | 2019-03-29 | 广州黑格智造信息科技有限公司 | Print starting point method of adjustment, device and 3D printer |
| CN109532024B (en) * | 2018-11-28 | 2020-11-10 | 广州黑格智造信息科技有限公司 | Printing starting point adjusting method and device and 3D printer |
| CN110646646A (en) * | 2019-10-31 | 2020-01-03 | 威斯坦(厦门)实业有限公司 | Ageing rack control method for automatically detecting 3D main controller |
| CN110646646B (en) * | 2019-10-31 | 2021-09-10 | 威斯坦(厦门)实业有限公司 | Ageing rack control method for automatically detecting 3D main controller |
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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: 20230426 Address after: Room 302, 3rd floor and 4th floor, No. 366 Yongtian Road, Xiangzhou District, Zhuhai City, Guangdong Province, 519000 Patentee after: Zhuhai Tianwei Additives Co.,Ltd. Address before: 519060 Guangdong province Zhuhai Nanping Science and Technology Industrial Park, ping North Road No. 32 Patentee before: PRINT RITE UNICORN IMAGE PRODUCTS Co.,Ltd. OF ZHUHAI |
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| TR01 | Transfer of patent right |