CN108746618A - The vertical driving mechanism of hydraulic pressure location type for laser fusion power spreading device - Google Patents
The vertical driving mechanism of hydraulic pressure location type for laser fusion power spreading device Download PDFInfo
- Publication number
- CN108746618A CN108746618A CN201810625708.4A CN201810625708A CN108746618A CN 108746618 A CN108746618 A CN 108746618A CN 201810625708 A CN201810625708 A CN 201810625708A CN 108746618 A CN108746618 A CN 108746618A
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- wedge mount
- driving
- guide rail
- horizontal guide
- hydraulic pressure
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- 238000003892 spreading Methods 0.000 title claims abstract description 23
- 230000004927 fusion Effects 0.000 title claims abstract description 18
- 230000006835 compression Effects 0.000 claims abstract description 12
- 238000007906 compression Methods 0.000 claims abstract description 12
- 230000000630 rising effect Effects 0.000 claims abstract description 3
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 230000033001 locomotion Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims 1
- 239000002994 raw material Substances 0.000 description 8
- 238000011065 in-situ storage Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000000227 grinding Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002114 biscuit porcelain Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000000110 selective laser sintering Methods 0.000 description 1
Classifications
-
- 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
- B22F3/10—Sintering only
- B22F3/105—Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Laser Beam Processing (AREA)
- Road Paving Machines (AREA)
Abstract
Include the wedge mount drive component positioned at horizontal guide rail both ends and left and right wedge mount that longitudinal section is right angled triangle and for driving the transversely single-degree-of-freedom sliding of left and right wedge mount the invention discloses a kind of vertical driving mechanism of hydraulic pressure location type for laser fusion power spreading device；The both ends of the horizontal guide rail are respectively arranged with left wheel and right idler wheel, the left wheel presses on the driving inclined-plane of left wedge mount, the right idler wheel presses on the driving inclined-plane of right wedge mount, and wedge mount drive component is used to drive close to each other or rising or falling far from realization horizontal guide rail between left and right wedge mount；It further include the hydraulic compression component for applying downward hydraulic compression power to horizontal guide rail.
Description
Technical field
The present invention relates to field of laser processing, and in particular to a kind of hydraulic pressure location type for laser fusion power spreading device is perpendicular
To driving mechanism.
Background technology
Rapid shaping technique breaches conventional deformation molding and removes molding thinking, realizes the reason of " net forming "
It reads.Rapid shaping mainly has 3 classes：Selective Laser Sintering SLS), laser melting coating manufacturing technology (LENS), selective laser
Smelting technology (SLM).The part consistency of wherein selective laser melting technology preparation is high, precision is high, performance is good, process
Stability is good, receives domestic and international concern.Currently, SLM technical research is concentrated mainly on Europe, such as Germany, Belgium, state of Britain
Family.These countries come into commercialization stage in SLM device research.Asia is concentrated mainly on Singapore, Japan and other countries；
In the prior art, the lifting of usually control platform realizes that bisque layering declines successively, and realization top is next machined layer；And
The area of platform is certain, and area corresponds to the floor space of machining area, and is directed to various sizes of work piece, processing
The constancy of volume in region so that when processing small size workpiece, still need to fill up in the equal powder in the space of machining area so that processing
Raw material pollution waste, raw material recovery processing is cumbersome, meanwhile, when to extreme large and heavy workpiece, which can not achieve original position
Processing, that is, need to be carried to field of employment after processing, and processing efficiency is low, and limitation is big, and the scope of application is limited.
Therefore, in order to solve the above problem, a kind of selective laser melting system is needed, can realize processing and manufacturing in situ,
According to the appropriate powdering of work piece size, processing raw material pollution waste and raw material is avoided to be recycled the problems such as cumbersome, together
Shi Shixian is processed in situ, avoids the problems such as processing efficiency is low and limitation is big, increases the scope of application.
Invention content
In view of this, the purpose of the present invention is overcoming defect in the prior art, provide for laser fusion power spreading device
The vertical driving mechanism of hydraulic pressure location type, can according to the appropriate powdering of work piece size, avoid processing raw material pollution waste
The problems such as cumbersome with raw material recovery processing, while realizing processing in situ, the problems such as processing efficiency is low and limitation is big is avoided, is increased
The big scope of application.
The vertical driving mechanism of hydraulic pressure location type for laser fusion power spreading device of the present invention, including it is located at horizontal guide rail
Both ends and left and right wedge mount that longitudinal section is right angled triangle and transversely single-degree-of-freedom is slided for driving left and right wedge mount
Dynamic wedge mount drive component；The both ends of the horizontal guide rail are respectively arranged with left wheel and right idler wheel, and the left wheel compresses
In the driving inclined-plane of left wedge mount, the right idler wheel presses on the driving inclined-plane of right wedge mount, and wedge mount drive component is for driving
Close to each other or rising or falling far from realization horizontal guide rail between dynamic left and right wedge mount；Further include for horizontal guide rail
Apply the hydraulic compression component of downward hydraulic compression power.
Further, the hydraulic compression component includes hydraulic pump, hydraulic cylinder, return duct and oil storage cabin, the hydraulic pump
Oil outlet is connected to the driving inner cavity of hydraulic cylinder and the hydraulic stem of driving hydraulic cylinder compresses downwards horizontal guide rail, the oil inlet of hydraulic pump
It mouthful being connected to oil storage cabin by pipeline, the return duct is provided with the solenoid valve for controlling return duct break-make, and the one of return duct
End is connected to the driving inner cavity of hydraulic cylinder, and the other end is connected to oil storage cabin；
The horizontal drive mechanism include horizontal drive motor, horizontal drive gear and be set to horizontal guide rail surface and with
The bar shaped tooth of horizontal drive gear engagement；The horizontal drive gear includes being located on the upside of horizontal guide rail and being engaged with horizontal guide rail
It the horizontal sliding tooth wheel of upper active of transmission and horizontal is driven on the downside of the horizontal guide rail and with driven under horizontal guide rail engaged transmission
Moving gear；The output shaft of the horizontal drive motor coordinates with the horizontal sliding tooth wheel transmission of upper active, driven horizontal drive under described
Moving gear is rotatablely installed in laying device.
Further, the section of the horizontal guide rail is the horizontal "convex" shaped that inside is directed toward at top along longitudinal direction, the level
The upper and lower surface in inside of guide rail is respectively arranged with bar shaped tooth, and the upper and lower surface in outside of horizontal guide rail forms the sliding of horizontal movement
The end of confined planes, the laying device forms the conformal horizontally-guided groove for being coated at the two slidings confined planes of two madial walls.
Further, the apex angle of the left and right wedge mount is 3-8 °.
Further, the vertical driving mechanism further includes being fixed on the vertical guide post of rack, the vertical guide post edge
It is laterally positioned in the centre of horizontal guide rail, vertical guide post is vertically provided with vertical guide groove, and the longitudinal direction of the horizontal guide rail is outer
Side protrudes the vertical guide pad to form the vertical guide groove of conformal insertion；The hydraulic cylinder is fixed on the upper end of vertical guide groove, liquid
The hydraulic stem of cylinder pressure presses on downwards vertical guide pad.
Further, the horizontal guide rail includes the preceding horizontal guide rail and rear horizontal guide rail of front and back distribution along longitudinal direction, before described
Horizontal guide rail and rear horizontal guide rail are respectively positioned between left and right wedge mount, and the inclined-plane of the left and right wedge mount is provided with four difference
In the corresponding slide-and-guide slot in preceding horizontal guide rail both ends and rear horizontal guide rail both ends, the slide-and-guide slot is along corresponding left and right wedge
Longitudinal section bevel edge direction of shape seat is arranged.
Further, the wedge mount drive component includes wedge mount driving motor and the output shaft with wedge mount driving motor
It is driven the driving screw rod of cooperation, the bottom of the left and right wedge mount is respectively arranged with left driving screw hole and is revolved with left driving screw hole
Turn the opposite right driving screw hole in direction, the outer circle of the driving screw rod is disposed with and left driving screw hole screw-thread fit in an axial direction
The first external thread section and the second external thread section with right driving screw hole screw-thread fit, the wedge mount driving motor passes through driving
It is close to each other or separate between driving screw rod forward or reverse to realize left and right wedge mount.
Further, the driving screw rod includes the front and back preceding driving screw rod being arranged and afterwards driving screw rod along longitudinal direction, the wedge
The output shaft of shape seat driving motor is located at preceding driving screw rod and rear driving screw rod between side end, wedge mount driving motor it is defeated
Shaft fixed jacket is provided with power output gear, and it is defeated that preceding driving screw rod and rear driving screw rod end difference fixing sleeve are equipped with power
Enter gear, the power output gear is engaged with two power input gears and passing power of slowing down.
Further, the bottom of the frame is provided with the laterally steering slot for being transversely oriented to left and right wedge mount, described
The bottom of left and right wedge mount is provided with the laterally steering block of the conformal insertion row guide groove, the laterally steering slot and perpendicular
It is dovetail groove to guide groove.
Further, the bottom of the frame is provided with the walking mechanism that can be locked up.
The beneficial effects of the invention are as follows：A kind of hydraulic pressure location type for laser fusion power spreading device disclosed by the invention is perpendicular
To driving mechanism, appearance powder drum simultaneously is formed by the way that outer ring circular layer when being layered processing, is arranged, it can be appropriate according to work piece size
Powdering avoids processing raw material pollution from wasting the problems such as cumbersome with raw material recovery processing, meanwhile, from bottom to top molding adds for processing
Work realizes processing in situ；, the problems such as processing efficiency is low and limitation is big is avoided, the scope of application is increased.
Description of the drawings
The invention will be further described with reference to the accompanying drawings and examples：
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the vertical view of the present invention；
Fig. 3 is the structural schematic diagram of wedge mount in the present invention；
Fig. 4 is the attachment structure schematic diagram of middle berth powder box and horizontal guide rail of the present invention.
Specific implementation mode
Fig. 1 is the structural diagram of the present invention, as shown, the liquid for laser fusion power spreading device in the present embodiment
The vertical driving mechanism of location type is pressed, includes positioned at horizontal guide rail both ends and left and right wedge mount that longitudinal section is right angled triangle
With for drive left and right wedge mount transversely single-degree-of-freedom sliding wedge mount drive component；The both ends of the horizontal guide rail point
It is not provided with left wheel and right idler wheel, the left wheel presses on the driving inclined-plane of left wedge mount, and the right idler wheel presses on the right side
The driving inclined-plane of wedge mount, wedge mount drive component for drive it is close to each other between left and right wedge mount or far from realization it is horizontal
Guide rail rises or falls；It further include the hydraulic compression component for applying downward hydraulic compression power to horizontal guide rail；Pass through liquid
The setting to hold down assembly is conducive to ensure the stability of horizontal guide rail.
In the present embodiment, the hydraulic compression component includes hydraulic pump 22, hydraulic cylinder, return duct 24 and oil storage cabin, described
The oil outlet of hydraulic pump is connected to the driving inner cavity of hydraulic cylinder 26 by oil pipe 23 and the hydraulic stem of driving hydraulic cylinder compresses downwards
The oil inlet of horizontal guide rail, hydraulic pump is connected to by pipeline with oil storage cabin, and the return duct is provided with logical for controlling return duct
Disconnected solenoid valve 25, one end of return duct are connected to the driving inner cavity of hydraulic cylinder, and the other end is connected to oil storage cabin；Pass through hydraulic pump
Continuous, larger pressing force is generated to hydraulic stem (end of hydraulic stem is fixedly installed compact heap 27), and is worked as and needed to increase water
It is controllable to open the solenoid valve for being set to return duct when level gauge, it is conducive to the driving inner cavity pressure release of hydraulic cylinder, is conducive on hydraulic stem
It rises, and after the completion of horizontal guide rail lifting operations, solenoid valve is closed, the driving inner cavity of hydraulic cylinder is made to generate high pressure, ensures hydraulic stem
Vertical level of compression guide rail.
The horizontal drive mechanism includes horizontal drive motor, horizontal drive gear and is set to 2 surface of horizontal guide rail simultaneously
The bar shaped tooth engaged with horizontal drive gear；The horizontal drive gear include be located at the upside of horizontal guide rail 2 and with horizontal guide rail 2
The horizontal sliding tooth wheel of upper active of engaged transmission and positioned at the downside of horizontal guide rail 2 and with it is driven under 2 engaged transmission of horizontal guide rail
Horizontal drive gear；The output shaft of the horizontal drive motor coordinates with the horizontal sliding tooth wheel transmission of upper active, driven under described
Horizontal drive gear is rotatablely installed in power spreading device 1；Longitudinal both ends (and both ends in the front-back direction) of the power spreading device 1
It is fixedly installed mounting plate 19, the mounting plate is horizontally disposed and longitudinally outer end face is recessed to form the horizontally-guided groove 3,
It is provided with horizontal drive wheel via at outer end on mounting plate, the lower end of the upper horizontal sliding tooth wheel of active penetrates horizontal drive from above
Driving wheel via with positioned at the bar shaped tooth engagement of 2 upper surface of horizontal guide rail, under the upper end of driven horizontal drive gear water is penetrated from down
Flat driving wheel via and the bar shaped tooth engagement for being located at 2 lower surface of horizontal guide rail；The mechanism is more conducive to entire horizontal drive mechanism and passes
Dynamic stability improves.
In the present embodiment, the section of the horizontal guide rail 2 is the horizontal "convex" shaped that inside is directed toward at top along longitudinal direction, described
The upper and lower surface in inside of horizontal guide rail 2 is respectively arranged with bar shaped tooth, and the upper and lower surface in outside of horizontal guide rail 2 forms horizontal movement
Sliding confined planes, the end of the power spreading device 1 forms the conformal level for being coated at the two slidings confined planes 4 of two madial walls and leads
To groove 3；Longitudinal both ends (and both ends in the front-back direction) of the power spreading device 1 are fixedly installed mounting plate, described
Mounting plate is horizontally disposed and longitudinally outer end face is recessed to form the horizontally-guided groove 3, is provided at outer end on mounting plate
The lower end of horizontal drive wheel via, the horizontal sliding tooth wheel of upper active 5 penetrates horizontal drive wheel via from above and is located at horizontal guide rail 2
The bar shaped tooth engagement of upper surface, under driven horizontal drive gear 6 upper end penetrated from down horizontal drive wheel via with positioned at level
The bar shaped tooth engagement of 2 lower surface of guide rail；The stability that the mechanism is more conducive to entire horizontal drive mechanism transmission improves.
In the present embodiment, the apex angle of the left and right wedge mount is 3-8 °, preferably 5 °.
In the present embodiment, the vertical driving mechanism further includes being fixed on the vertical guide post 10 of rack, described vertically to lead
Transversely it is located at the centre of horizontal guide rail 2 to column, vertical guide post is vertically provided with vertical guide groove 11, the horizontal guide rail
2 longitudinally outboard protrudes the vertical guide pad 12 to form the vertical guide groove of conformal insertion；By the setting of vertical guide groove, greatly
The accuracy and stability for improving 2 vertical motion of horizontal guide rail, greatly improve 1 control accuracy of power spreading device, ensure processing
Precision is high.
In the present embodiment, the horizontal guide rail 2 includes the preceding horizontal guide rail 2 and rear horizontal guide rail of front and back distribution along longitudinal direction
21, the preceding horizontal guide rail 2 and rear horizontal guide rail 21 are respectively positioned between left and right wedge mount, and the inclined-plane of the left and right wedge mount is set
Four are equipped with respectively at the corresponding slide-and-guide slot 13 in 2 both ends of preceding horizontal guide rail and 21 both ends of rear horizontal guide rail, the sliding is led
It is arranged to slot along longitudinal section bevel edge direction of corresponding left and right wedge mount；The kinetic stability of horizontal guide rail 2 is further increased,
Unnecessary torque is avoided to generate.
In the present embodiment, the wedge mount drive component include wedge mount driving motor 14 and with wedge mount driving motor
The driving screw rod of output shaft transmission cooperation, the bottom of the left and right wedge mount be respectively arranged with left driving screw hole and with left driving
The outer circle of the opposite right driving screw hole in screw hole direction of rotation, the driving screw rod is disposed with and left driving screw hole spiral shell in an axial direction
The first external thread section that line coordinates and the second external thread section with right driving screw hole screw-thread fit, the wedge mount driving motor are logical
It overdrives close to each other or separate between driving screw rod forward or reverse to realize left and right wedge mount；By by left driving screw hole and
Right driving screw hole is set as identical pitch and pitch is smaller, is conducive to improve driving precision, drives smooth, the stability of structure
It is good.
In the present embodiment, the driving screw rod includes the front and back preceding driving screw rod 15 being arranged and afterwards driving screw rod along longitudinal direction
16, the output shaft of the wedge mount driving motor is located at preceding driving screw rod and rear driving screw rod between side end, and wedge mount drives
The output shaft fixed jacket of dynamic motor is provided with power output gear 17, and preceding driving screw rod and rear driving screw rod end are fixed respectively
It is arranged with power input gear, the power output gear is engaged with two power input gears 18 and passing power of slowing down；Institute
The diameter for stating power output gear is more than the radius of power discrepancy gear, simple and compact for structure, by deceleration passing power, is conducive to
Torque is improved, ensures driving, meanwhile, ensure that left and right wedge mount sliding precision is high.
In the present embodiment, the bottom of the frame is provided with the laterally steering slot for being transversely oriented to left and right wedge mount,
The bottom of the left and right wedge mount is provided with the laterally steering block of the conformal insertion row guide groove, the laterally steering slot
It is dovetail groove with vertical guide groove；Slide smooth, stable structure.
In the present embodiment, the bottom of the frame is provided with the walking mechanism that can be locked up；The walking mechanism is idler wheel, institute
It states idler wheel and is provided with existing lockable mechanism, ensure that rack is be easily moved, be suitable for processing in situ.
Certainly, whole device when in use, need to cover in whole device outside with unification and bottom opening and bottom surface are closed
Seal closure, the seal closure can be transparent and retractable cover body, conducive to when using to vacuumize and be passed through in it inert gas into
Row processing.
Finally illustrate, the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although with reference to compared with
Good embodiment describes the invention in detail, it will be understood by those of ordinary skill in the art that, it can be to the skill of the present invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the right of invention.
Claims (10)
1. a kind of vertical driving mechanism of hydraulic pressure location type for laser fusion power spreading device, it is characterised in that：Including being located at water
Level gauge both ends and left and right wedge mount that longitudinal section is right angled triangle and for drive left and right wedge mount transversely it is single from
By the wedge mount drive component of degree sliding；The both ends of the horizontal guide rail are respectively arranged with left wheel and right idler wheel, described to roll left
Wheel presses on the driving inclined-plane of left wedge mount, and the right idler wheel presses on the driving inclined-plane of right wedge mount, wedge mount drive component
It is close to each other between left and right wedge mount or far from realizing rising or falling for horizontal guide rail for driving；Further include for water
Level gauge applies the hydraulic compression component of downward hydraulic compression power.
2. the hydraulic pressure location type vertical driving mechanism according to claim 1 for laser fusion power spreading device, feature
It is：The hydraulic compression component includes hydraulic pump, hydraulic cylinder, return duct and oil storage cabin, the oil outlet and liquid of the hydraulic pump
The driving inner cavity of cylinder pressure is connected to and the hydraulic stem of driving hydraulic cylinder compresses downwards horizontal guide rail, and the oil inlet of hydraulic pump passes through pipeline
It is connected to oil storage cabin, the return duct is provided with the solenoid valve for controlling return duct break-make, one end of return duct and hydraulic cylinder
The connection of driving inner cavity, the other end is connected to oil storage cabin.
3. the hydraulic pressure location type vertical driving mechanism according to claim 2 for laser fusion power spreading device, feature
It is：The section of the horizontal guide rail is the horizontal "convex" shaped that inside is directed toward at top along longitudinal direction, the inside of the horizontal guide rail
Upper and lower surface is respectively arranged with bar shaped tooth, and the upper and lower surface in outside of horizontal guide rail forms the sliding confined planes of horizontal movement, institute
The end for stating laying device forms the conformal horizontally-guided groove for being coated at the two slidings confined planes of two madial walls.
4. the hydraulic pressure location type vertical driving mechanism according to claim 1 for laser fusion power spreading device, feature
It is：The apex angle of the left and right wedge mount is 3-8 °.
5. the hydraulic pressure location type vertical driving mechanism according to claim 3 for laser fusion power spreading device, feature
It is：The vertical driving mechanism further includes being fixed on the vertical guide post of rack, and the vertical guide post is transversely located at water
The centre of level gauge, vertical guide post are vertically provided with vertical guide groove, and the longitudinally outboard of the horizontal guide rail protrudes to be formed
The vertical guide pad of the conformal vertical guide groove of insertion；The hydraulic cylinder is fixed on the upper end of vertical guide groove, the hydraulic pressure of hydraulic cylinder
Bar presses on downwards vertical guide pad.
6. the hydraulic pressure location type vertical driving mechanism according to claim 1 for laser fusion power spreading device, feature
It is：The horizontal guide rail includes the front and back preceding horizontal guide rail being distributed and rear horizontal guide rail along longitudinal direction, the preceding horizontal guide rail and
Horizontal guide rail is respectively positioned between left and right wedge mount afterwards, and the inclined-plane of the left and right wedge mount is provided with four and is led respectively at preceding level
The corresponding slide-and-guide slot in rail both ends and rear horizontal guide rail both ends, the slide-and-guide slot is along the longitudinal direction of corresponding left and right wedge mount
Section bevel edge direction is arranged.
7. the hydraulic pressure location type vertical driving mechanism according to claim 4 for laser fusion power spreading device, feature
It is：The wedge mount drive component includes wedge mount driving motor and the output shaft transmission cooperation with wedge mount driving motor
Drive screw rod, the bottom of the left and right wedge mount is respectively arranged with left driving screw hole and opposite with left driving screw hole direction of rotation
Right driving screw hole, it is described driving screw rod outer circle be disposed in an axial direction and it is left driving screw hole screw-thread fit the first outer spiral shell
Line section and with it is right driving screw hole screw-thread fit the second external thread section, the wedge mount driving motor by driving drive screw rod just
Turn or reversion realize it is close to each other or separate between left and right wedge mount.
8. the hydraulic pressure location type vertical driving mechanism according to claim 7 for laser fusion power spreading device, feature
It is：The driving screw rod includes the front and back preceding driving screw rod being arranged and afterwards driving screw rod along longitudinal direction, the wedge mount driving electricity
The output shaft of machine is located at preceding driving screw rod and rear driving screw rod between side end, and the output shaft fixation of wedge mount driving motor is outer
Set is provided with power output gear, and preceding driving screw rod and rear driving screw rod end difference fixing sleeve are equipped with power input gear, institute
Power output gear is stated to engage with two power input gears and passing power of slowing down.
9. the hydraulic pressure location type vertical driving mechanism according to claim 5 for laser fusion power spreading device, feature
It is：The bottom of the frame is provided with the laterally steering slot for being transversely oriented to left and right wedge mount, the left and right wedge shape
The bottom of seat is provided with the laterally steering block of the conformal insertion row guide groove, and the laterally steering slot and vertical guide groove are equal
For dovetail groove.
10. the hydraulic pressure location type vertical driving mechanism according to claim 1 for laser fusion power spreading device, feature
It is：The bottom of the frame is provided with the walking mechanism that can be locked up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810625708.4A CN108746618B (en) | 2018-06-18 | 2018-06-18 | Hydraulic positioning type vertical driving mechanism for laser melting powder spreading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810625708.4A CN108746618B (en) | 2018-06-18 | 2018-06-18 | Hydraulic positioning type vertical driving mechanism for laser melting powder spreading device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108746618A true CN108746618A (en) | 2018-11-06 |
| CN108746618B CN108746618B (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810625708.4A Active CN108746618B (en) | 2018-06-18 | 2018-06-18 | Hydraulic positioning type vertical driving mechanism for laser melting powder spreading device |
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|---|---|---|---|---|
| CN104625062A (en) * | 2015-03-03 | 2015-05-20 | 重庆大学 | Reciprocating powder laying device for selective laser melting |
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| CN206633416U (en) * | 2017-03-17 | 2017-11-14 | 南京增材制造研究院发展有限公司 | A kind of 3D printing powder feeding and spreading coordinated type two-way powder laying device and equipment |
| US20170348792A1 (en) * | 2016-06-01 | 2017-12-07 | Arcam Ab | Method for additive manufacturing |
| CN206798746U (en) * | 2017-04-24 | 2017-12-26 | 天津市晶之特研磨有限公司 | A kind of escalator |
| CN207427727U (en) * | 2017-11-02 | 2018-06-01 | 厦门拓农农业机械有限公司 | A kind of double colter ridging shapers |
-
2018
- 2018-06-18 CN CN201810625708.4A patent/CN108746618B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104625062A (en) * | 2015-03-03 | 2015-05-20 | 重庆大学 | Reciprocating powder laying device for selective laser melting |
| US20170348792A1 (en) * | 2016-06-01 | 2017-12-07 | Arcam Ab | Method for additive manufacturing |
| CN106393690A (en) * | 2016-10-13 | 2017-02-15 | 河南龙璟科技有限公司 | Precise guiding stable feeding device for 3D printer |
| CN206633416U (en) * | 2017-03-17 | 2017-11-14 | 南京增材制造研究院发展有限公司 | A kind of 3D printing powder feeding and spreading coordinated type two-way powder laying device and equipment |
| CN206798746U (en) * | 2017-04-24 | 2017-12-26 | 天津市晶之特研磨有限公司 | A kind of escalator |
| CN207427727U (en) * | 2017-11-02 | 2018-06-01 | 厦门拓农农业机械有限公司 | A kind of double colter ridging shapers |
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| Publication number | Publication date |
|---|---|
| CN108746618B (en) | 2020-07-10 |
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