CN207758152U - A kind of 3D printer - Google Patents
A kind of 3D printer Download PDFInfo
- Publication number
- CN207758152U CN207758152U CN201721149325.1U CN201721149325U CN207758152U CN 207758152 U CN207758152 U CN 207758152U CN 201721149325 U CN201721149325 U CN 201721149325U CN 207758152 U CN207758152 U CN 207758152U
- Authority
- CN
- China
- Prior art keywords
- light source
- connecting portion
- slide unit
- plank
- reservoir
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model provides a kind of 3D printer, including babinet, and elevating mechanism, reservoir, light source generating system are provided in babinet, wherein the elevating mechanism includes：Two lifting drives, i.e. left side lifting drive and right side lifting drive；Plank between two lifting drives, at least described plank lower surface are plane；Slide unit positioned at the plank both sides, the slide unit are moved up and down by the driving of the lifting drive.Wherein, the plank is located above reservoir, and the light source generating system is located at below reservoir, and the liquid storage trench bottom can penetrate the light that light source generating system is sent out.The elevating mechanism of 3D printer provided by the utility model is beneficial in that, if there are two slide units, lifting platform is steady along lifting shaft under the drive of two slide units in left and right, uniformly moves up and down, and prevents lifting platform shaking, improves the precision of product.
Description
Technical field
The utility model is related to a kind of 3D printers more particularly to a kind of photocuring 3D simple in structure, that accuracy is high to beat
Print machine.
Background technology
3D printing technique is designed a model as source with Computerized three-dimensional, discrete by software hierarchy to be with numerical control molding
System, in the way of laser beam, hot melt nozzle etc. by the special materials such as metal powder, ceramic powders, plastics, cell tissue carry out by
Layer heap product bonds, and final superposition molding produces entity products.
Raw material are carried out shaping by the mechanical processings mode such as mold, turnning and milling with traditional manufacture, are cut with most throughout one's life
Finished product is different, and 3D solid is become several two dimensional surfaces by 3D printing, is given birth to by being superimposed to material processing and successively
Production, greatly reduces the complexity of manufacture.This Digitized manufacturing pattern does not need complicated technique, does not need huge machine
Bed does not need numerous manpowers, and the part of any shape can be generated directly from computer graphics data, makes to manufacture
To extend to wider array of production crowd range.
Digital light processing (Digital Light Processing, abbreviation DLP) technology is the 3D printing skills occurred in recent years
Product cross section figure is projected liquid light maleate resin surface using digital micromirror elements in converted products, makes irradiation by art
Resin successively carries out photocuring, to be created that 3D printing object.Due to passing through piece as lantern slide when DLP 3D printing solidifications
Shape cure, therefore its curing rate than the Stereolithography (Stereolithography, abbreviation SLA) of same type speed more
Soon.
DLP 3D printers include a liquid tank that can accommodate resin, for holding light-cured resin, DLP imagings
System is located at below liquid bath, by energy and Graph Control, cures certain thickness and the pellicular resins of shape every time.Above liquid bath
One shift mechanism is set, lifts certain altitude upwards after the completion of each section exposure so that the solid-state tree of current curing completion
Fat is detached and is bonded in liquid bath bottom surface on lifting plate or last molding resin layer, in this way, by successively exposing and being promoted
To generate 3D solid.
The lifting structure of 3D printer has more important influence to the performance of the product printed, at present on the market
Lifting structure is generally single-point control, and this control mode can cause the rate of the various pieces of lifter plate uneven, influence to produce
The precision of product is unfavorable for the 3D printing of large sized object.
Utility model content
The utility model in view of the foregoing defects the prior art has, provides a kind of simple in structure, lifting process control essence
Spend high 3D printer.
3D printer provided by the utility model includes babinet, and elevating mechanism, reservoir, light source are provided in babinet and is occurred
System, wherein the elevating mechanism includes：
--- two lifting drives, i.e. left side lifting drive and right side lifting drive,
--- it is located at the plank between two lifting drives, at least described plank lower surface is plane；
--- be located at the plank both sides slide unit, the slide unit by the lifting drive driving and
It moves up and down；
Wherein, the plank is located above reservoir, and the light source generating system is located at below reservoir, the reservoir
Bottom can penetrate the light that light source generating system is sent out.
In an advantageous embodiment, the light source generating system includes light source generator and cooling equipment, the cooling
Equipment provides low-temperature receiver to the light source generator, prevents the light source generator temperature excessively high.
Wherein it is preferred to which the light source generator includes the multiple light sources of matrix arrangement, each light source is individually by circuit
Plate controls on off state and/or light intensity.
In more preferred embodiment, LCD panel and Fresnel lampshade are additionally provided between the light source generator and reservoir, with
The region that the light that control light source generator generates irradiates on reservoir.
In an advantageous embodiment, the plank is plane towards the side of reservoir, and it is recessed to be equipped with one in the middle part of the other side
Slot.
In an advantageous embodiment, the both ends of the plank upper surface --- preferably setting reeded one side ---
It is fixedly connected with the first end of the slide unit equipped with connector, and by connecting component；The slide unit is described in
The one side of lifting drive is equipped with a clamping portion, and the second end of the slide unit passes through the clamping portion and the sliding
Component connects.
In a preferred embodiment, the lifting drive includes cylinder, actuating unit, downward along the cylinder
The sliding rail stretched, the actuating unit driving slide unit move up and down along the sliding rail.
Wherein, the slide unit has been oppositely arranged socket, and connector first end is inserted into the socket.
In a kind of more preferred embodiment, the slide unit is equipped with the screw hole for being connected to socket, and screw is screwed into screw hole will
The first end for being inserted into the connector of socket is fixed.
In more preferred embodiment, between the distance between described lifting drive, and/or the slide unit away from
From adjustable.
In a preferred embodiment, the connector is divided intoType first connecting portion and " L " type second connecting portion, institute
It states first end and is located at the first connecting portion, the second end is located at second connecting portion, and second connecting portion passes through the second end
It is fixedly connected with the plank, the first connecting portion is connect by first end with the slide unit, such as is connected positioned at first
The first end of socket part is inserted into the socket of sliding block, and the first connecting portion vertical portion is with the second connecting portion vertical portion
It is integrally formed or is fixedly connected by rivet.
In more preferred embodiment, between the horizontal component of the first connecting portion and the horizontal component of second connecting portion
It is highly adjustable.
In a kind of more preferred embodiment, in the first connecting portion vertical portion and the second connecting portion vertical portion
One be equipped with the window that extends up and down, another is equipped with screw hole, and screw passes through the window to be screwed into fixation in screw hole；Or it is another
One is equipped with the screw rod stretched out from the window, and nut is inserted in screw rod from one end of screw rod stretching window and is fixed.
In another more preferred embodiment, the first connecting portion vertical portion and the second connecting portion vertical portion
It is equipped with the window extended up and down, and the window of first connecting portion vertical portion, second connecting portion vertical portion is at least partly
Overlapping, or it is preferably completely overlapped；Screw rod passes through the window of lap, and fixation is tightened in both ends with nut.
In a preferred embodiment, the lifting drive further includes lifting shaft, described in the actuating unit driving
Slide unit moves up and down along the lifting shaft.
In a further advantageous embodiment, the lifting drive further include driving band or drive chain in it is any one
Kind is several, and the slide unit is connected in the driving band or drive chain, and the actuating unit drives the driving band
Or drive chain moves up and down.
The elevating mechanism of 3D printer provided by the utility model is beneficial in that, if there are two slide unit, is risen
Drop platform is steady along lifting shaft under the drive of two slide units in left and right, uniformly moves up and down, and prevents lifting platform shaking,
Improve the precision of product.
Description of the drawings
The part body figure of Fig. 1 3D printers provided by the utility model；
Fig. 2 is the front view of elevating mechanism shown in Fig. 1；
Fig. 3 is the structure chart of the reservoir and light source generator etc. of 3D printer provided by the utility model.
Specific implementation mode
As shown in Figure 1, Figure 3,3D printer provided by the utility model, including elevating mechanism, elevating mechanism are one or so
Symmetrical structure is illustrated by taking left part as an example in the embodiments of the present invention, and structure and the left side of right part are in mirror
As relationship, details are not described herein again.
The utility model 3D printer main body is a babinet 6, and elevating mechanism is arranged in babinet 6.
Include that reservoir 5 is equipped with plank 1 in the top of reservoir 5 in babinet 6.It is respectively equipped with one in 5 both sides of reservoir
A cylinder 4, plank 1 are located between two cylinders 4, wherein the radial axle of cylinder 4 is vertical with the upper surface of reservoir 5.
Plank 1 is approximate rectangular parallelepiped structure, can also be round, rectangular, polygon or other regular or irregular shapes,
Lifting platform 1 is plane towards the side of reservoir 5, is equipped with a groove 11 backwards to the side of reservoir 5, the bottom of groove 11 is distributed
It is several through-holes to have the channel (not shown) through plank 1, the channel.
Further, the elevating mechanism of 3D printer provided by the utility model further includes 2 slide units 3 and 2 companies
Relay part.
Wherein, the one side of cylinder 4 towards plank 1 is equipped with sliding rail 41 (i.e. lifting drive), and sliding rail 41 is along cylinder 4
Upper and lower directions radially extend.Slide unit 3 is moved up and down by sliding rail 41 along cylinder 4.
Connecting component includes the first connecting portion 21 and second connecting portion 22 that bending part is cut by bending part, and first connects
Socket part 21 is fixedly connected with second connecting portion 22 by rivet, wherein first connecting portion 21 isType, including horizontal component and
Vertical portion, second connecting portion 22 are L-type, also include horizontal component and vertical portion, first connecting portion 21 and second connecting portion
22 vertical portion links together.Wherein, two vertical portions can be with self opposite adjustment position, so as to adjust first
The distance of 22 horizontal component of interconnecting piece 21 and second connecting portion.
21 free end of first connecting portion is connect with slide unit 3.The upper table of the free end and plank 4 of second connecting portion 22
Face is fixedly connected.
On the basis of the above embodiments, the part that wherein slide unit 3 is contacted with first connecting portion 21 is equipped with socket 31,
That is two slide units 3 are oppositely arranged socket 31, and the free end of first connecting portion 21 is inserted into socket 31,3 top of slide unit
31 screw (can also be other fixing pieces) is dismantled equipped with connection, screw pushes against the free end of first connecting portion 21 by screw hole
It is fixed, prevents relative motion between first connecting portion 21 and slide unit 3.
Meanwhile on the basis of the above embodiments, the distance between the utility model cylinder 4 can be adjusted, or sliding
The distance between component 3 can be adjusted, to provide facility for the size and 3D printing size for adjusting reservoir.
Further, the elevating mechanism of 3D printer provided by the utility model further includes driving part, such as actuating unit,
Driving part is electrically connected with external power supply, and slide unit 3 is driven to be slided up and down along the sliding rail of cylinder 4.
Further, 3D printer provided by the utility model further includes light source emitter 9, as shown in figure 3, light source emits
Device 9 is located at below reservoir 5, and the upper surface of light source emitter 9 is equipped with multiple high-energy LED lamp beads, and high-energy LED lamp bead provides
High-strength light, the high-strength light that high-energy LED lamp bead is sent out first pass through the cooling dome 91 positioned at LED lamp bead top, then sequentially pass through
Fresnel cover 8 and LCD panel 7, and it is radiated at 5 bottom of reservoir, the light sent out is radiated on reservoir 5, is cured in reservoir 5
Printing raw material.
When being worked using the 3D printer of elevating mechanism provided by the utility model, it is added first into reservoir 5 appropriate
Liquid printing raw material, such as light-cured resin, then slide unit 3 under the driving of driving part, drive plank 1 drop to
In 5 bottom of reservoir, until apart from 5 distance from bottom of reservoir be lift height when, plank 1 stop decline, in this way, plank 1 with storage
Gap between 5 bottom of liquid bath can retain the light-cured resin of some liquid, start light source generator 9, and light source generator 9 is sent out
Light source be radiated on reservoir 5, through 5 bottom of reservoir, solidification can be formed in plank 1 and 5 bottom of the reservoir gap
Light curing resin layer.Cured light-cured resin is bonded in the lower surface of plank 1, plank 1 under the driving of driving part, by
Step moves upwards.It keeps the rate of climb of lifting platform 1 identical as the solidification rate of light-cured resin, then gradually forms presetting
3D printing product.
Specific embodiment of the utility model is described in detail above, but it is only used as example, the utility model
It is not restricted to particular embodiments described above.To those skilled in the art, it is any to the utility model carry out
It equivalent modifications and substitutes also all among the scope of the utility model.Therefore, in the spirit and scope for not departing from the utility model
Impartial conversion and modification made by lower, should all cover in the scope of the utility model.
Claims (10)
1. a kind of 3D printer, which is characterized in that including babinet, elevating mechanism, reservoir, light source system are provided in babinet
System, wherein the elevating mechanism includes：
--- two lifting drives, i.e. left side lifting drive and right side lifting drive,
--- it is located at the plank between two lifting drives, at least described plank lower surface is plane；
--- it is located at the slide unit of the plank both sides, the slide unit is upper and lower by the driving of the lifting drive
Movement；
Wherein, the plank is located above reservoir, and the light source generating system is located at below reservoir, the liquid storage trench bottom
The light that light source generating system is sent out can be penetrated.
2. 3D printer according to claim 1, which is characterized in that the light source generating system include light source generator and
Cooling equipment, the cooling equipment provide low-temperature receiver to the light source generator, prevent the light source generator temperature excessively high.
3. 3D printer according to claim 2, which is characterized in that the light source generator includes the multiple of matrix arrangement
Light source, each light source individually control on off state and/or light intensity by circuit board.
4. 3D printer according to claim 2, which is characterized in that be additionally provided between the light source generator and reservoir
LCD panel and Fresnel lampshade, the region that the light to control light source generator generation irradiates on reservoir.
5. 3D printer according to claim 1, which is characterized in that the lifting drive includes cylinder, engine
Structure, the sliding rail extended up and down along the cylinder, the actuating unit driving slide unit move up and down along the sliding rail.
6. 3D printer according to claim 1, which is characterized in that the both ends of the plank upper surface are equipped with connector,
And it is fixedly connected with the first end of the slide unit by connecting component；The slide unit is towards the lifting drive
One side be equipped with a clamping portion, the second end of the slide unit connect by the clamping portion with the slide unit.
7. 3D printer according to claim 6, which is characterized in that the slide unit has been oppositely arranged socket, connection
Part first end is inserted into the socket.
8. 3D printer according to claim 7, which is characterized in that the distance between described lifting drive, and/or
The distance between the sliding block is adjustable；The sliding block is equipped with the screw hole for being connected to socket, and screw, which is screwed into screw hole, will be inserted into socket
The first end of connector is fixed.
9. 3D printer according to claim 6, which is characterized in that the connector is divided intoType first connecting portion and
" L " type second connecting portion, the first end are located at the first connecting portion, and the second end is located at second connecting portion, and second connects
Socket part is fixedly connected by the second end with the plank, and the first connecting portion is connected by first end and the slide unit
It connects, the first connecting portion vertical portion, which is integrally formed with the second connecting portion vertical portion or is fixed by rivet, to be connected
It connects.
10. 3D printer according to claim 9, which is characterized in that the horizontal component of the first connecting portion and second
Height between the horizontal component of interconnecting piece is adjustable；The first connecting portion vertical portion and the second connecting portion vertical portion
In one be equipped with the window that extends up and down, another is equipped with screw hole, and screw passes through the window to be screwed into fixation in screw hole；Or
Another is equipped with the screw rod stretched out from the window, and nut is inserted in screw rod from one end of screw rod stretching window and is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721149325.1U CN207758152U (en) | 2017-09-08 | 2017-09-08 | A kind of 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721149325.1U CN207758152U (en) | 2017-09-08 | 2017-09-08 | A kind of 3D printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207758152U true CN207758152U (en) | 2018-08-24 |
Family
ID=63178419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721149325.1U Expired - Fee Related CN207758152U (en) | 2017-09-08 | 2017-09-08 | A kind of 3D printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207758152U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109366986A (en) * | 2018-11-20 | 2019-02-22 | 东莞理工学院 | A kind of novel DLP-3D printer |
-
2017
- 2017-09-08 CN CN201721149325.1U patent/CN207758152U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109366986A (en) * | 2018-11-20 | 2019-02-22 | 东莞理工学院 | A kind of novel DLP-3D printer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180824 Termination date: 20210908 |