CN107159890A - A kind of working cylinder and table top changing method of variable table top scope - Google Patents
A kind of working cylinder and table top changing method of variable table top scope Download PDFInfo
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- CN107159890A CN107159890A CN201710595991.6A CN201710595991A CN107159890A CN 107159890 A CN107159890 A CN 107159890A CN 201710595991 A CN201710595991 A CN 201710595991A CN 107159890 A CN107159890 A CN 107159890A
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- elevating mechanism
- substrate
- table top
- elevating
- leading screw
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 474
- 230000003028 elevating effect Effects 0.000 claims abstract description 428
- 239000000758 substrate Substances 0.000 claims abstract description 114
- 238000009434 installation Methods 0.000 claims abstract description 17
- 238000007639 printing Methods 0.000 claims abstract description 12
- 239000005435 mesosphere Substances 0.000 claims abstract description 8
- 230000033001 locomotion Effects 0.000 claims description 23
- 230000005540 biological transmission Effects 0.000 claims description 20
- 238000000227 grinding Methods 0.000 claims description 11
- 238000005516 engineering process Methods 0.000 claims description 10
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000010257 thawing Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 230000001174 ascending effect Effects 0.000 claims description 3
- 239000000843 powder Substances 0.000 abstract description 9
- 230000006978 adaptation Effects 0.000 abstract description 3
- 230000007423 decrease Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/30—Platforms or substrates
- B22F12/33—Platforms or substrates translatory in the deposition plane
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/22—Driving means
- B22F12/222—Driving means for motion along a direction orthogonal to the plane of a layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/30—Platforms or substrates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/003—Apparatus, e.g. furnaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Screen Printers (AREA)
Abstract
The present invention provides a kind of working cylinder and table top changing method of variable table top scope, and the working cylinder of variable table top scope includes cylinder body, big table top working cell, small table top working cell and fixed bottom block；Big table top working cell includes：First elevating mechanism, the first elevating mechanism substrate, the first elevating mechanism mesosphere board, mounting base under mounting base and the first elevating mechanism on the first elevating mechanism；Flat board, the second elevating mechanism installation side plate, the second elevating mechanism mounting seat are installed including top on the second elevating mechanism, the second elevating mechanism substrate, the second elevating mechanism substrate in small table top working cell.Advantage is：The size of work top can be adjusted flexibly, flexible adaptation efficiently prints the demand of finding and big part, applied widely, can effectively save powder especially when printing finding.
Description
Technical field
The invention belongs to SLM 3D printing technique fields, and in particular to a kind of working cylinder and platform of variable table top scope
Face changing method.
Background technology
Nineteen ninety-five, German Fraunhofer Laser Studies institute (Fraunhofer Institute for Laser
Technology, ILT) propose selective laser fusion technology (Selective Laser Melting, SLM) earliest.SLM
It is a kind of technology for being completely melt, being molded through cooled and solidified under the heat effect of laser beam using metal dust, SLM can be directly
Mold the metal parts close to complete consistency.At present, foreign applications SLM technologies can manufacture mould, instrument, biograft
Deng metal parts, still, existing SLM device generally has the following problems：Its work top size is fixed, if unskilled labourer
Make table top, then can only print finding, it is impossible to print big part；And if big work top, although it can print small simultaneously
Part and big part, still, when printing finding using big work top, can waste a large amount of powderings.Therefore, exploitation one kind can
Print big part and finding simultaneously, also, when printing finding, the cylinder body of powdering will not be wasted, be at present in the urgent need to
The thing of solution.
The content of the invention
The defect existed for prior art, the working cylinder and table top that the present invention provides a kind of variable table top scope becomes
Change method, can effectively solve the above problems.
The technical solution adopted by the present invention is as follows：
The present invention provides a kind of working cylinder of variable table top scope, including cylinder body (1), big table top working cell (2), small
Table top working cell (3) and fixed bottom block (4)；
Wherein, the big table top working cell (2) includes：First elevating mechanism (2.1), the first elevating mechanism substrate
(2.2), the first elevating mechanism mesosphere board (2.3), pacify under mounting base (2.4) and the first elevating mechanism on the first elevating mechanism
Fill bottom plate (2.5)；Wherein, first elevating mechanism (2.1) be many guide colume type transmission mechanisms of double lead-screw, including left side leading screw pass
Motivation structure, right side lead-screw drive mechanism and the first elevating mechanism guide pillar (2.6)；
The top of the fixed bottom block (4) sets the first elevating mechanism substrate (2.2), first elevating mechanism
First elevating mechanism mesosphere board (2.3) described in the underrun of substrate (2.2) and mounting base on first elevating mechanism
(2.4) it is secured together；Also, in the first elevating mechanism substrate (2.2) for being secured together, first elevating mechanism
Between on laminate (2.3) and first elevating mechanism center of mounting base (2.4) offer through hole (2.7)；
Mounting base (2.5) is arranged at the lower section of the fixed bottom block (4) under first elevating mechanism；Described first
The bottom of elevating mechanism guide pillar (2.6) is fixedly mounted with mounting base (2.5) under first elevating mechanism, first lifting
The top of mechanism guide pillar (2.6) is through the fixed bottom block (4) and solid with mounting base (2.4) on first elevating mechanism
It is fixed to arrive together；
The left and right sides of the fixed bottom block (4) is symmetrically installed the left side lead-screw drive mechanism and the right side leading screw
Transmission mechanism；The left side lead-screw drive mechanism and the right side lead-screw drive mechanism are simultaneously for driving first lift
Moved linearly under structure above and below mounting base (2.5) progress；When mounting base (2.5) is moved up and down under first elevating mechanism
When, drive the first elevating mechanism guide pillar (2.6) to move up and down；When the first elevating mechanism guide pillar (2.6) moves up and down
When, drive mounting base (2.4) on first elevating mechanism to be moved up and down in the inside of cylinder body (1), when the described first lifting
When mounting base (2.4) is moved up and down in the inside of the cylinder body (1) in mechanism, the first elevating mechanism substrate is driven
(2.2) moved up and down in the inside of the cylinder body (1)；
The small table top working cell (3) includes the second elevating mechanism (3.1), the second elevating mechanism substrate (3.2), second
Flat board (3.3), the second elevating mechanism installation side plate (3.4), the second elevating mechanism mounting seat are installed in top on elevating mechanism substrate
(3.5)；Wherein, second elevating mechanism (3.1) be many guide colume type transmission mechanisms of single screw, including single screw transmission mechanism and
Second elevating mechanism guide pillar (3.6)；
The second elevating mechanism installation side plate is fixedly mounted in the surrounding of the second elevating mechanism mounting seat (3.5)
(3.4)；The second elevating mechanism mounting seat (3.5) is located at the inside of the big table top working cell (2), also, described the
Two elevating mechanism installation side plates (3.4) and mounting base (2.4) on the first elevating mechanism of the big table top working cell (2) are solid
Fixed connection；Therefore, when the first elevating mechanism substrate (2.2) of the big table top working cell (2) carries out elevating movement, pass through
The second elevating mechanism installation side plate (3.4) and drive the second elevating mechanism mounting seat (3.5) to synchronize motion；
The second elevating mechanism substrate (3.2), described are set above the second elevating mechanism mounting seat (3.5)
The shape of two elevating mechanism substrates (3.2) is adapted with the shape of the through hole (2.7) of the big table top working cell (2),
The bottom surface of the second elevating mechanism substrate (3.2) fixes top on the second elevating mechanism substrate and installs flat board (3.3)；It is described
The lower surface that flat board (3.3) is installed in the top of second elevating mechanism guide pillar (3.6) with top on the second elevating mechanism substrate is consolidated
Fixed connection；The bottom of the second elevating mechanism guide pillar (3.6) wears the second elevating mechanism mounting seat (3.5)；
The single screw transmission mechanism is used to driving on the second elevating mechanism substrate top to install flat board (3.3) along described
Second elevating mechanism guide pillar (3.6) moves linearly above and below carrying out；When flat board (3.3) is installed on top on the second elevating mechanism substrate
When being moved linearly above and below progress, drive and moved linearly above and below the second elevating mechanism substrate (3.2) progress.
It is preferred that, the left side lead-screw drive mechanism is identical with the structure of the right side lead-screw drive mechanism, includes：The
One elevating mechanism leading screw (2.7), the first elevating mechanism feed screw nut (2.8), the first elevating mechanism leading screw support base (2.9),
One elevating mechanism motor cabinet (2.10), the first elevating mechanism decelerator (2.11) and the first elevating mechanism motor (2.12)；
The first elevating mechanism leading screw support base (2.9) is fixedly installed on the fixed bottom block (4)；Described first
Elevating mechanism leading screw (2.7) is arranged in the first elevating mechanism leading screw support base (2.9)；The first elevating mechanism leading screw
The first elevating mechanism motor cabinet (2.10) is fixedly mounted on support base (2.9)；The first elevating mechanism motor (2.12) passes through
The first elevating mechanism decelerator (2.11) is arranged in the first elevating mechanism motor cabinet (2.10)；First lifting
The top of mechanism leading screw (2.7) passes through the first elevating mechanism decelerator (2.11) and the first elevating mechanism motor
(2.12) connect；The bottom of the first elevating mechanism leading screw (2.7) passes through mounting base under first elevating mechanism
(2.5) the first elevating mechanism feed screw nut (2.8), and in the bottom of the first elevating mechanism leading screw (2.7) is installed；Cause
This, the first elevating mechanism motor (2.12) drives first lifting by the first elevating mechanism decelerator (2.11)
Mechanism leading screw (2.7) is rotated, when the first elevating mechanism leading screw (2.7) rotates, and drives the first elevating mechanism leading screw spiral shell
Female (2.8) are moved up and down along the first elevating mechanism leading screw (2.7)；Again due to the first elevating mechanism feed screw nut
(2.8) it is fixedly connected with mounting base (2.5) under first elevating mechanism, therefore, bottom is installed under first elevating mechanism
Plate (2.5) moves up and down with the first elevating mechanism feed screw nut (2.8) and realizes and move up and down.
It is preferred that, the big table top working cell (2) also includes grating scale (2.13)；The grating scale (2.13) vertically sets
Put, the top of the grating scale (2.13) is fixedly connected with the lower surface of the fixed bottom block (4).
It is preferred that, the single screw transmission mechanism of second elevating mechanism (3.1) includes：Second elevating mechanism leading screw
(3.7), the second elevating mechanism motor (3.8), the second elevating mechanism feed screw nut (3.9) and the second elevating mechanism screw nut sleeve
Cylinder (3.10)；
The second elevating mechanism leading screw (3.7) is fixed on the second elevating mechanism mounting seat by leading screw bearing
(3.5) on；The second elevating mechanism motor (3.8) be arranged at below the second elevating mechanism leading screw (3.7) and with institute
State the bottom linkage of the second elevating mechanism leading screw (3.7)；The outside of the second elevating mechanism leading screw (3.7) is arranged described second
Elevating mechanism feed screw nut (3.9)；The second elevating mechanism feed screw nut (3.9) and the second elevating mechanism feed screw nut
Sleeve (3.10) is fixedly connected；The second elevating mechanism feed screw nut sleeve (3.10) also with the second elevating mechanism substrate
It is fixed that flat board (3.3) is installed on upper top；
Therefore, the second elevating mechanism motor (3.8) drives the second elevating mechanism leading screw (3.7) operating, so that
The second elevating mechanism feed screw nut (3.9) is driven to be moved up and down along the second elevating mechanism leading screw (3.7)；When described
When second elevating mechanism feed screw nut (3.9) is moved up and down, due to the second elevating mechanism feed screw nut sleeve (3.10) with
The second elevating mechanism feed screw nut (3.9) is fixed, therefore, the second elevating mechanism feed screw nut sleeve (3.10) with
Second elevating mechanism feed screw nut (3.9) move up and down and moved up and down；When the second elevating mechanism feed screw nut
When sleeve (3.10) is moved up and down, top installation flat board (3.3) on the second elevating mechanism substrate is driven to move up and down.
It is preferred that, the small table top working cell (3) also includes the second elevating mechanism limit switch (3.11)；Described second
Elevating mechanism limit switch (3.11) is installed on the lower surface of the second elevating mechanism mounting seat (3.5), described for realizing
Second elevating mechanism (3.1) it is spacing.
The present invention also provides a kind of table top changing method of the working cylinder based on variable table top scope, including following step
Suddenly：
When needing printing finding, the first elevating mechanism substrate (2.2) is driven by the first elevating mechanism (2.1) first
Ascending motion is carried out, makes the first elevating mechanism substrate (2.2) concordant with outside work top；Then, the second elevating mechanism is passed through
(3.1) the second elevating mechanism substrate (3.2) of driving is lifted, and the second elevating mechanism substrate (3.2) is entered as powdering platform
Row intensifies thawing forming technology；
When needing to print big part, the second elevating mechanism substrate (3.2) is driven by the second elevating mechanism (3.1) first
Elevating movement is carried out, the height of the second elevating mechanism substrate (3.2) is adjusted, makes the second elevating mechanism substrate (3.2) and first liter
Descending mechanism substrate (2.2) is concordant；Now, by the second elevating mechanism substrate (3.2) is located at first elevating mechanism substrate (2.2) institute
In the through hole (2.7) opened up, therefore, the second elevating mechanism substrate (3.2) and the first elevating mechanism substrate (2.2) are collectively forming one
Individual plane, the plane is used as powdering platform；Then, due to including the small table top working cell of the first elevating mechanism substrate (2.2)
(3) it is fixedly installed on big table top working cell (2), therefore, in subsequent process, is only driven by the first elevating mechanism (2.1)
When first elevating mechanism substrate (2.2) carries out elevating movement, the second elevating mechanism substrate (3.2) can be synchronously driven to carry out lifting fortune
Dynamic, the overall powdering platform for being achieved in the second elevating mechanism substrate (3.2) and the formation of the first elevating mechanism substrate (2.2) is carried out
Elevating movement, thawing forming technology is intensified so as to realize.
The working cylinder and table top changing method for a kind of variable table top scope that the present invention is provided have advantages below：
By designing two sets of elevating mechanisms, i.e. the first elevating mechanism and the second elevating mechanism, so that work can be changed by realizing
Table top, wherein, the first elevating mechanism realizes big table top work, and the second elevating mechanism realizes small table top work, when printing finding
When, the decline of powder and substrate is realized using the small table top of the second elevating mechanism driving；When printing big part, second liter is made first
Descending mechanism drives small table top lifting, makes small table top concordant with the big table top of periphery, the big table top of small table top and periphery is collectively forming
Big work top；Then, the decline for making the first elevating mechanism drive big work top to realize powder and substrate.Therefore, can be flexible
The size of work top is adjusted, flexible adaptation efficiently prints the demand of finding and big part, applied widely, especially
, can effectively save powder when printing finding.
Brief description of the drawings
The overall structure diagram of the working cylinder for the variable table top scope that Fig. 1 provides for the present invention；
Fig. 2 is that Fig. 1 removes the structural representation after cylinder body；
Fig. 3 is the relative motion schematic diagram between big table top working cell and small table top working cell；
Fig. 4 is the structural representation of big table top working cell；
Fig. 5 is the structural representation of small table top working cell.
Embodiment
In order that technical problem solved by the invention, technical scheme and beneficial effect are more clearly understood, below in conjunction with
Drawings and Examples, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used to
The present invention is explained, is not intended to limit the present invention.
The present invention provides a kind of working cylinder of variable table top scope, as Figure 1-5, including the work of cylinder body 1, big table top
Unit 2, small table top working cell 3 and fixed bottom block 4.Big table top working cell 2 and small table top working cell 3 are distinguished below
It is discussed in detail：
(1) big table top working cell
With reference to Fig. 4, big table top working cell 2 includes：First elevating mechanism 2.1, the first elevating mechanism substrate 2.2, first
Mounting base 2.5 under the elevating mechanism of mounting base 2.4 and first on elevating mechanism mesosphere board 2.3, the first elevating mechanism；Its
In, the first elevating mechanism 2.1 is many guide colume type transmission mechanisms of double lead-screw, including left side lead-screw drive mechanism, right side lead screw transmission
Mechanism and the first elevating mechanism guide pillar 2.6；
The top of fixed bottom block 4 sets the first elevating mechanism substrate 2.2, and the bottom surface of the first elevating mechanism substrate 2.2 leads to
The first elevating mechanism mesosphere board 2.3 is crossed to be secured together with mounting base 2.4 on the first elevating mechanism；Also, fixed to one
Mounting base 2.4 on the first elevating mechanism substrate 2.2, the first elevating mechanism mesosphere board 2.3 and the first elevating mechanism risen
Center offers through hole 2.7；
Mounting base 2.5 is arranged at the lower section of fixed bottom block 4 under first elevating mechanism；First elevating mechanism guide pillar 2.6
Bottom be fixedly mounted with mounting base 2.5 under the first elevating mechanism, fixed bottom is run through on the top of the first elevating mechanism guide pillar 2.6
Panel seat 4 is simultaneously secured together with mounting base 2.4 on the first elevating mechanism；
The left and right sides of fixed bottom block 4 is symmetrically installed left side lead-screw drive mechanism and right side lead-screw drive mechanism；Left side
Lead-screw drive mechanism and right side lead-screw drive mechanism carry out straight up and down for mounting base 2.5 under the first elevating mechanism of drive simultaneously
Line is moved；When mounting base 2.5 is moved up and down under the first elevating mechanism, the first elevating mechanism guide pillar 2.6 is driven to move up and down；
When the first elevating mechanism guide pillar 2.6 is moved up and down, mounting base 2.4 is on the inside of cylinder body 1 on the first elevating mechanism of drive
Lower movement, when mounting base 2.4 is moved up and down in the inside of cylinder body 1 on the first elevating mechanism, drives the first elevating mechanism base
Plate 2.2 is moved up and down in the inside of cylinder body 1.
Wherein, left side lead-screw drive mechanism is identical with the structure of right side lead-screw drive mechanism, includes：First elevating mechanism
Leading screw 2.7, the first elevating mechanism feed screw nut 2.8, the first elevating mechanism leading screw support base 2.9, the first elevating mechanism motor cabinet
2.10th, the first elevating mechanism decelerator 2.11 and the first elevating mechanism motor 2.12；
First elevating mechanism leading screw support base 2.9 is fixedly installed on fixed bottom block 4；First elevating mechanism leading screw 2.7
It is arranged in the first elevating mechanism leading screw support base 2.9；First is fixedly mounted on first elevating mechanism leading screw support base 2.9 to lift
Mechanism motor seat 2.10；First elevating mechanism motor 2.12 is arranged at the first lift by the first elevating mechanism decelerator 2.11
In structure motor cabinet 2.10；The top of first elevating mechanism leading screw 2.7 passes through the first elevating mechanism decelerator 2.11 and the first lifting
Mechanism motor 2.12 is connected；The bottom of first elevating mechanism leading screw 2.7 pass through the first elevating mechanism under mounting base 2.5, and
The bottom of first elevating mechanism leading screw 2.7 is installed by the first elevating mechanism feed screw nut 2.8；Therefore, the first elevating mechanism motor
2.12 drive the first elevating mechanism leading screw 2.7 to rotate by the first elevating mechanism decelerator 2.11, the first elevating mechanism leading screw 2.7
During rotation, the first elevating mechanism feed screw nut 2.8 is driven to be moved up and down along the first elevating mechanism leading screw 2.7；Again due to first liter
Descending mechanism feed screw nut 2.8 is fixedly connected with mounting base 2.5 under the first elevating mechanism, therefore, is installed under the first elevating mechanism
Bottom plate 2.5 moves up and down with the first elevating mechanism feed screw nut 2.8 and realizes and move up and down.
Big table top working cell 2 also includes grating scale 2.13；Grating scale 2.13 is vertically arranged, the top of grating scale 2.13 with
The lower surface of fixed bottom block 4 is fixedly connected, by installing grating scale, and the survey to the lifting length of the first elevating mechanism can be achieved
Amount, realizes automatic power spreading process.
(2) small table top working cell
With reference to Fig. 5, small table top working cell 3 include the second elevating mechanism 3.1, the second elevating mechanism substrate 3.2, second liter
Flat board 3.3, the second elevating mechanism installation side plate 3.4, the second elevating mechanism mounting seat 3.5 are installed in top on descending mechanism substrate；Wherein,
Second elevating mechanism 3.1 is many guide colume type transmission mechanisms of single screw, including single screw transmission mechanism and the second elevating mechanism guide pillar
3.6；
The second elevating mechanism installation side plate 3.4 is fixedly mounted in the surrounding of second elevating mechanism mounting seat 3.5；Second lift
Structure mounting seat 3.5 is located at the inside of big table top working cell 2, also, the second elevating mechanism installation side plate 3.4 works with big table top
Mounting base 2.4 is fixedly connected on first elevating mechanism of unit 2；Therefore, when the first elevating mechanism of big table top working cell 2
When substrate 2.2 carries out elevating movement, the second elevating mechanism mounting seat 3.5 is driven by the second elevating mechanism installation side plate 3.4
Synchronize motion；
Second elevating mechanism substrate 3.2, the second elevating mechanism substrate are set above the second elevating mechanism mounting seat 3.5
3.2 shape is adapted with the shape of the through hole 2.7 of big table top working cell 2, and the bottom surface of the second elevating mechanism substrate 3.2 is fixed
Flat board 3.3 is installed on top on second elevating mechanism substrate；On the top of second elevating mechanism guide pillar 3.6 and the second elevating mechanism substrate
The lower surface that flat board 3.3 is installed on top is fixedly connected；The bottom of second elevating mechanism guide pillar 3.6 wears the second elevating mechanism mounting seat
3.5；
Single screw transmission mechanism is used to drive top installation flat board 3.3 on the second elevating mechanism substrate to be led along the second elevating mechanism
Post 3.6 moves linearly above and below carrying out；When being moved linearly on the second elevating mechanism substrate above and below the top installation progress of flat board 3.3, band
Dynamic second elevating mechanism substrate 3.2 moves linearly above and below carrying out.
Wherein, the single screw transmission mechanism of the second elevating mechanism 3.1 includes：Second elevating mechanism leading screw 3.7, second is lifted
Mechanism motor 3.8, the second elevating mechanism feed screw nut 3.9 and the second elevating mechanism feed screw nut sleeve 3.10；
Second elevating mechanism leading screw 3.7 is fixed in the second elevating mechanism mounting seat 3.5 by leading screw bearing；Second lifting
Mechanism motor 3.8 is arranged at below the second elevating mechanism leading screw 3.7 and linked with the bottom of the second elevating mechanism leading screw 3.7；
The outside of second elevating mechanism leading screw 3.7 is arranged the second elevating mechanism feed screw nut 3.9；Second elevating mechanism feed screw nut 3.9
It is fixedly connected with the second elevating mechanism feed screw nut sleeve 3.10；Second elevating mechanism feed screw nut sleeve 3.10 also with second liter
Top is installed flat board 3.3 and fixed on descending mechanism substrate；
Therefore, the second elevating mechanism motor 3.8 drives the second elevating mechanism leading screw 3.7 to operate, so as to drive the second lifting
Mechanism feed screw nut 3.9 is moved up and down along the second elevating mechanism leading screw 3.7；When the second elevating mechanism feed screw nut is about 3.9
When mobile, because the second elevating mechanism feed screw nut sleeve 3.10 and the second elevating mechanism feed screw nut 3.9 are fixed, therefore, the
Two elevating mechanism feed screw nut sleeves 3.10 are moved up and down and moved up and down with the second elevating mechanism feed screw nut 3.9；When
When second elevating mechanism feed screw nut sleeve 3.10 is moved up and down, top on the second elevating mechanism substrate is driven to install on flat board 3.3
Lower movement.
Small table top working cell 3 also includes the second elevating mechanism limit switch 3.11；Second elevating mechanism limit switch
3.11 are installed on the lower surface of the second elevating mechanism mounting seat 3.5, for realizing the spacing of the second elevating mechanism 3.1.
In the present invention, substrate is powdering table top, wherein, the second elevating mechanism substrate is small table top；First elevating mechanism base
Big table top is collectively constituted after plate and the second elevating mechanism substrate are concordant.
The present invention also provides a kind of table top changing method of the working cylinder based on variable table top scope, including following step
Suddenly：
When needing printing finding, the first elevating mechanism substrate 2.2 is driven to carry out by the first elevating mechanism 2.1 first
Ascending motion, makes the first elevating mechanism substrate 2.2 concordant with outside work top；Then, driven by the second elevating mechanism 3.1
Second elevating mechanism substrate 3.2 is lifted, and makes the second elevating mechanism substrate 3.2 carry out intensifying thawing shaping as powdering platform
Technique；
When needing to print big part, the second elevating mechanism substrate 3.2 is driven to carry out by the second elevating mechanism 3.1 first
Elevating movement, adjusts the height of the second elevating mechanism substrate 3.2, makes the second elevating mechanism substrate 3.2 and the first elevating mechanism base
Plate 2.2 is concordant；Now, by the second elevating mechanism substrate 3.2 is located at the through hole 2.7 that the first elevating mechanism substrate 2.2 is opened up
In, therefore, the second elevating mechanism substrate 3.2 and the first elevating mechanism substrate 2.2 are collectively forming a plane, and the plane is used as paving
Powder platform；Then, because the small table top working cell 3 including the first elevating mechanism substrate 2.2 is fixedly installed in big table top work
On unit 2, therefore, in subsequent process, only the first elevating mechanism substrate 2.2 is driven to be lifted by the first elevating mechanism 2.1
During motion, it can synchronously drive the second elevating mechanism substrate 3.2 to carry out elevating movement, be achieved in the second elevating mechanism substrate 3.2
Elevating movement is carried out with the overall powdering platform of the first elevating mechanism substrate 2.2 formation, thawing forming technology is intensified so as to realize.
The working cylinder and table top changing method for a kind of variable table top scope that the present invention is provided have advantages below：
By designing two sets of elevating mechanisms, i.e. the first elevating mechanism and the second elevating mechanism, so that work can be changed by realizing
Table top, wherein, the first elevating mechanism realizes the work of big table top, such as the first elevating mechanism print range is designed into 500 ×
500mm；Second elevating mechanism realizes small table top work, for example, the second elevating mechanism print range is varied down to 250 × 250mm；When
When printing finding, small table top working cell is fixedly installed on the installing plate of big table top working cell, therefore, and big platform is made first
First elevating mechanism substrate of face working cell rises to the position concordant with outside workbench, then, only with second liter
Descending mechanism drives small table top to realize the decline of powder and substrate, can save the amount of powder of paving；When printing big part, make first
Second elevating mechanism drives small table top lifting, makes small table top concordant with the big table top of periphery, and the big table top of small table top and periphery is total to
With the big work top of formation；Then, the first elevating mechanism is made to drive the big work top of small table top and the formation of the big table top of periphery
Realize the decline of powder and substrate.Therefore, the size of work top can be adjusted flexibly, flexible adaptation efficiently prints small by zero
The demand of part and big part, it is applied widely, can effectively save powder especially when printing finding.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
Depending on protection scope of the present invention.
Claims (6)
1. a kind of working cylinder of variable table top scope, it is characterised in that including cylinder body (1), big table top working cell (2), small
Table top working cell (3) and fixed bottom block (4)；
Wherein, the big table top working cell (2) includes：First elevating mechanism (2.1), the first elevating mechanism substrate (2.2),
Mounting base under mounting base (2.4) and the first elevating mechanism on one elevating mechanism mesosphere board (2.3), the first elevating mechanism
(2.5)；Wherein, first elevating mechanism (2.1) is many guide colume type transmission mechanisms of double lead-screw, including left side lead screw transmission machine
Structure, right side lead-screw drive mechanism and the first elevating mechanism guide pillar (2.6)；
The top of the fixed bottom block (4) sets the first elevating mechanism substrate (2.2), the first elevating mechanism substrate
(2.2) the first elevating mechanism mesosphere board (2.3) described in underrun and mounting base (2.4) on first elevating mechanism
It is secured together；Also, the first elevating mechanism substrate (2.2) for being secured together, the first elevating mechanism intermediate layer
The center of mounting base (2.4) offers through hole (2.7) on plate (2.3) and first elevating mechanism；
Mounting base (2.5) is arranged at the lower section of the fixed bottom block (4) under first elevating mechanism；First lifting
The bottom of mechanism guide pillar (2.6) is fixedly mounted with mounting base (2.5) under first elevating mechanism, first elevating mechanism
The top of guide pillar (2.6) is fixed to through the fixed bottom block (4) and with mounting base (2.4) on first elevating mechanism
Together；
The left and right sides of the fixed bottom block (4) is symmetrically installed the left side lead-screw drive mechanism and the right side lead screw transmission
Mechanism；The left side lead-screw drive mechanism and the right side lead-screw drive mechanism are simultaneously for driving under first elevating mechanism
Mounting base (2.5) moves linearly above and below carrying out；When mounting base (2.5) is moved up and down under first elevating mechanism, band
The first elevating mechanism guide pillar (2.6) is moved to move up and down；When the first elevating mechanism guide pillar (2.6) moves up and down, band
Move mounting base (2.4) on first elevating mechanism to move up and down in the inside of cylinder body (1), when on first elevating mechanism
When mounting base (2.4) is moved up and down in the inside of the cylinder body (1), the first elevating mechanism substrate (2.2) is driven in institute
The inside for stating cylinder body (1) is moved up and down；
The small table top working cell (3) includes the second elevating mechanism (3.1), the second elevating mechanism substrate (3.2), the second lifting
Flat board (3.3), the second elevating mechanism installation side plate (3.4), the second elevating mechanism mounting seat (3.5) are installed in top on mechanism substrate；
Wherein, second elevating mechanism (3.1) is many guide colume type transmission mechanisms of single screw, including single screw transmission mechanism and second liter
Descending mechanism guide pillar (3.6)；
The second elevating mechanism installation side plate (3.4) is fixedly mounted in the surrounding of the second elevating mechanism mounting seat (3.5)；Institute
State the inside that the second elevating mechanism mounting seat (3.5) is located at the big table top working cell (2), also, second lift
Structure installation side plate (3.4) is fixedly connected with mounting base (2.4) on the first elevating mechanism of the big table top working cell (2)；
Therefore, when the first elevating mechanism substrate (2.2) of the big table top working cell (2) carries out elevating movement, described the is passed through
Two elevating mechanism installation side plates (3.4) and drive the second elevating mechanism mounting seat (3.5) to synchronize motion；
The second elevating mechanism substrate (3.2), described second liter are set above the second elevating mechanism mounting seat (3.5)
The shape of descending mechanism substrate (3.2) is adapted with the shape of the through hole (2.7) of the big table top working cell (2), described
The bottom surface of second elevating mechanism substrate (3.2) fixes top on the second elevating mechanism substrate and installs flat board (3.3)；Described second
The lower surface that flat board (3.3) is installed in the top of elevating mechanism guide pillar (3.6) with top on the second elevating mechanism substrate, which is fixed, to be connected
Connect；The bottom of the second elevating mechanism guide pillar (3.6) wears the second elevating mechanism mounting seat (3.5)；
The single screw transmission mechanism is used to drive top on the second elevating mechanism substrate to install flat board (3.3) along described second
Elevating mechanism guide pillar (3.6) moves linearly above and below carrying out；When flat board (3.3) progress is installed on top on the second elevating mechanism substrate
When moving linearly up and down, drive and moved linearly above and below the second elevating mechanism substrate (3.2) progress.
2. the working cylinder of variable table top scope according to claim 1, it is characterised in that the left side lead screw transmission machine
Structure is identical with the structure of the right side lead-screw drive mechanism, includes：First elevating mechanism leading screw (2.7), the first elevating mechanism
Feed screw nut (2.8), the first elevating mechanism leading screw support base (2.9), the first elevating mechanism motor cabinet (2.10), the first lift
Structure decelerator (2.11) and the first elevating mechanism motor (2.12)；
The first elevating mechanism leading screw support base (2.9) is fixedly installed on the fixed bottom block (4)；First lifting
Mechanism leading screw (2.7) is arranged in the first elevating mechanism leading screw support base (2.9)；The first elevating mechanism leading screw support
The first elevating mechanism motor cabinet (2.10) is fixedly mounted on seat (2.9)；The first elevating mechanism motor (2.12) is by described
First elevating mechanism decelerator (2.11) is arranged in the first elevating mechanism motor cabinet (2.10)；First elevating mechanism
The top of leading screw (2.7) is connected by the first elevating mechanism decelerator (2.11) and the first elevating mechanism motor (2.12)
Connect；The bottom of the first elevating mechanism leading screw (2.7) passes through mounting base (2.5) under first elevating mechanism, and in institute
The bottom for stating the first elevating mechanism leading screw (2.7) is installed by the first elevating mechanism feed screw nut (2.8)；Therefore, described first
Elevating mechanism motor (2.12) drives the first elevating mechanism leading screw by the first elevating mechanism decelerator (2.11)
(2.7) rotate, when the first elevating mechanism leading screw (2.7) rotates, drive the first elevating mechanism feed screw nut (2.8) edge
The first elevating mechanism leading screw (2.7) moves up and down；Again due to the first elevating mechanism feed screw nut (2.8) and described the
Mounting base (2.5) is fixedly connected under one elevating mechanism, therefore, and mounting base (2.5) is with institute under first elevating mechanism
State moving up and down and realizing and move up and down for first elevating mechanism feed screw nut (2.8).
3. the working cylinder of variable table top scope according to claim 2, it is characterised in that the big table top working cell
(2) grating scale (2.13) is also included；The grating scale (2.13) is vertically arranged, the top of the grating scale (2.13) with it is described solid
The lower surface for determining bottom block (4) is fixedly connected.
4. the working cylinder of variable table top scope according to claim 1, it is characterised in that second elevating mechanism
(3.1) the single screw transmission mechanism includes：Second elevating mechanism leading screw (3.7), the second elevating mechanism motor (3.8),
Two elevating mechanism feed screw nuts (3.9) and the second elevating mechanism feed screw nut sleeve (3.10)；
The second elevating mechanism leading screw (3.7) is fixed on the second elevating mechanism mounting seat (3.5) by leading screw bearing；
The second elevating mechanism motor (3.8) be arranged at below the second elevating mechanism leading screw (3.7) and with described second liter
The bottom linkage of descending mechanism leading screw (3.7)；The outside of the second elevating mechanism leading screw (3.7) is arranged second elevating mechanism
Feed screw nut (3.9)；The second elevating mechanism feed screw nut (3.9) and the second elevating mechanism feed screw nut sleeve
(3.10) it is fixedly connected；The second elevating mechanism feed screw nut sleeve (3.10) on the second elevating mechanism substrate also with pushing up
Flat board (3.3) is installed fixed；
Therefore, the second elevating mechanism motor (3.8) drives the second elevating mechanism leading screw (3.7) operating, so as to drive
The second elevating mechanism feed screw nut (3.9) moves up and down along the second elevating mechanism leading screw (3.7)；When described second
When elevating mechanism feed screw nut (3.9) is moved up and down, due to the second elevating mechanism feed screw nut sleeve (3.10) with it is described
Second elevating mechanism feed screw nut (3.9) is fixed, and therefore, the second elevating mechanism feed screw nut sleeve (3.10) is with described
Second elevating mechanism feed screw nut (3.9) move up and down and moved up and down；When the second elevating mechanism feed screw nut sleeve
(3.10) when moving up and down, top installation flat board (3.3) on the second elevating mechanism substrate is driven to move up and down.
5. the working cylinder of variable table top scope according to claim 4, it is characterised in that the small table top working cell
(3) the second elevating mechanism limit switch (3.11) is also included；The second elevating mechanism limit switch (3.11) is installed on described
The lower surface of second elevating mechanism mounting seat (3.5), for realizing the spacing of second elevating mechanism (3.1).
6. a kind of table top changing method of the working cylinder of the variable table top scope based on described in claim any one of 1-5, its
It is characterised by, comprises the following steps：
When needing printing finding, the first elevating mechanism substrate (2.2) is driven to carry out by the first elevating mechanism (2.1) first
Ascending motion, makes the first elevating mechanism substrate (2.2) concordant with outside work top；Then, the second elevating mechanism (3.1) are passed through
Drive the second elevating mechanism substrate (3.2) to be lifted, the second elevating mechanism substrate (3.2) is intensified as powdering platform
Melt forming technology；
When needing to print big part, the second elevating mechanism substrate (3.2) is driven to carry out by the second elevating mechanism (3.1) first
Elevating movement, adjusts the height of the second elevating mechanism substrate (3.2), makes the second elevating mechanism substrate (3.2) and the first lift
Structure substrate (2.2) is concordant；Now, by the second elevating mechanism substrate (3.2) is opened up positioned at the first elevating mechanism substrate (2.2)
Through hole (2.7) in, therefore, the second elevating mechanism substrate (3.2) and the first elevating mechanism substrate (2.2) are collectively forming one and put down
Face, the plane is used as powdering platform；Then, because the small table top working cell (3) including the first elevating mechanism substrate (2.2) is solid
Dingan County therefore, in subsequent process, only drives first liter loaded on big table top working cell (2) by the first elevating mechanism (2.1)
When descending mechanism substrate (2.2) carries out elevating movement, the second elevating mechanism substrate (3.2) can be synchronously driven to carry out elevating movement, by
This realizes that the second elevating mechanism substrate (3.2) and the overall powdering platform of the first elevating mechanism substrate (2.2) formation are lifted
Motion, thawing forming technology is intensified so as to realize.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710595991.6A CN107159890A (en) | 2017-07-20 | 2017-07-20 | A kind of working cylinder and table top changing method of variable table top scope |
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|---|---|---|---|
| CN201710595991.6A CN107159890A (en) | 2017-07-20 | 2017-07-20 | A kind of working cylinder and table top changing method of variable table top scope |
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| CN109591291A (en) * | 2019-02-18 | 2019-04-09 | 乐清市智能装备与制造研究院 | A kind of controllable three-dimensional printing formation unit of high/low temperature |
| CN109676921A (en) * | 2019-02-17 | 2019-04-26 | 乐清市智能装备与制造研究院 | A kind of molding space self-adaptation three-dimensional printing equipment |
| CN109747153A (en) * | 2019-02-19 | 2019-05-14 | 乐清市智能装备与制造研究院 | A kind of variable heating chamber 3D printing equipment |
| CN109834269A (en) * | 2019-04-01 | 2019-06-04 | 中国工程物理研究院机械制造工艺研究所 | Selective melting increasing material manufacturing equipment nesting micro powder supply and molding machine and method |
| CN109877317A (en) * | 2017-12-06 | 2019-06-14 | 财团法人金属工业研究发展中心 | The Fen Chuan mechanism of lamination manufacture |
| CN110142964A (en) * | 2019-05-05 | 2019-08-20 | 西安理工大学 | Become the full automatic 3D printing system of size based on planer-type |
| CN111097909A (en) * | 2020-01-10 | 2020-05-05 | 西安朗悦智能科技有限公司 | Lifting device with variable cylinder diameter |
| CN111283193A (en) * | 2020-01-22 | 2020-06-16 | 华东理工大学 | Double-forming-cylinder device for SLM equipment and powder spreading system thereof |
| CN112828309A (en) * | 2021-02-23 | 2021-05-25 | 重庆安德瑞源科技有限公司 | Small-format 3D printer sleeve cylinder |
| CN112974857A (en) * | 2021-02-05 | 2021-06-18 | 华南理工大学 | Precious metal-oriented zoning-type selective laser melting device and method |
| CN113927046A (en) * | 2021-09-29 | 2022-01-14 | 西安交通大学 | Rotary continuous powder laying double-powder-cylinder additive manufacturing forming device |
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| CN109877317A (en) * | 2017-12-06 | 2019-06-14 | 财团法人金属工业研究发展中心 | The Fen Chuan mechanism of lamination manufacture |
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| CN111097909A (en) * | 2020-01-10 | 2020-05-05 | 西安朗悦智能科技有限公司 | Lifting device with variable cylinder diameter |
| CN111283193A (en) * | 2020-01-22 | 2020-06-16 | 华东理工大学 | Double-forming-cylinder device for SLM equipment and powder spreading system thereof |
| CN112974857A (en) * | 2021-02-05 | 2021-06-18 | 华南理工大学 | Precious metal-oriented zoning-type selective laser melting device and method |
| CN112828309A (en) * | 2021-02-23 | 2021-05-25 | 重庆安德瑞源科技有限公司 | Small-format 3D printer sleeve cylinder |
| CN113927046A (en) * | 2021-09-29 | 2022-01-14 | 西安交通大学 | Rotary continuous powder laying double-powder-cylinder additive manufacturing forming device |
| DE102022115097A1 (en) | 2022-06-15 | 2023-12-21 | Nikon Slm Solutions Ag | Lifting device for a carrier device of a system for the additive production of a three-dimensional workpiece |
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Application publication date: 20170915 |