CN207240871U - Printer power spreading device - Google Patents
Printer power spreading device Download PDFInfo
- Publication number
- CN207240871U CN207240871U CN201720929881.4U CN201720929881U CN207240871U CN 207240871 U CN207240871 U CN 207240871U CN 201720929881 U CN201720929881 U CN 201720929881U CN 207240871 U CN207240871 U CN 207240871U
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- Prior art keywords
- scraper
- spreading device
- power spreading
- printer power
- slide
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Abstract
A kind of printer power spreading device, doctor assemblies including powder bed, on the powder bed and the transmission system being connected with the doctor assemblies, the transmission system includes slide and the sliding block being slidably mounted on the slide, the sliding block is used to drive the doctor assemblies to move relative to the powder bed, the printer power spreading device further includes the extensible cover for sealing the slide, and the extensible cover is installed between the end of the slide and the sliding block.
Description
Technical field
It the utility model is related to a kind of printer power spreading device, more particularly to a kind of 3D printer power spreading device.
Background technology
3D printing technique, is called increases material manufacturing technology, is a kind of high-new manufacturing technology based on material stacking method, is considered
It is a great achievement of manufacturing field in the past 20 years.It collect mechanical engineering, CAD, reverse Engineering Technology, Layered Manufacturing Technology,
Design philosophy, automatically, directly, quickly and accurately can be changed into tool by Numeric Control Technology, material science, laser technology
There are the prototype or direct manufacturing parts of certain function, so as to be provided for part prototype, the verification of new design philosophy etc.
A kind of realization rate of high efficiency, low cost.Its basic principle is " Layered manufacturing, layer by layer superposition ".Part will be processed first
CAD model " cuts into slices " along Z axis discretization, obtains several 2D sections.Then print, finally obtained layer by layer from bottom to top
Whole part.
The 3D printing technique of mainstream has SLS selective laser sinterings, SLM selective laser meltings at present, and SLA cubic lights are consolidated
It is melted into many technology branches such as shape, the shaping of FDM fusion sediments, ODM stacking entity manufactures, the injection shaping of EBM electron beams.Wherein
SLM selective laser meltings technology can machining high-precision, the metal parts of arbitrarily complicated shape, product mechanical property is excellent, can
Directly meet practical engineering application, therefore there is broad mass market application prospect, be successfully applied to Aeronautics and Astronautics, automobile, doctor
The numerous areas such as treatment, mould, processing of ornament.
Existing SLM metals 3D printer powdering mechanism is generally cantilever mechanism, and cantilever tool holder and scraper are driven by screw
Linear reciprocating motion completes powdering action, and the power and transmission mechanism of powdering mechanism are installed in gas-tight silo with wall built-up installation form
On side wall.Cantilever mechanism can influence scraper stability, it is difficult to ensure the depth of parallelism of scraper and powder bed powder laying plane, and then influence paving
The uniformity of bisque thickness.Further, since the technical characterstic of 3D printing, process is inevitably caused in high temperature, dust etc.
Portion's environment, therefore can seriously affect exposed to device therein, such as motor, screw service life.
Utility model content
In view of above-mentioned condition, it is necessary to which a kind of printer power spreading device for extending device service life is provided.
A kind of printer power spreading device, including powder bed, the doctor assemblies on the powder bed and with the scraper group
The transmission system that part is connected, the transmission system include slide and the sliding block being slidably mounted on the slide, and the sliding block is used
In driving the doctor assemblies to be moved relative to the powder bed, the printer power spreading device further includes the flexible of the sealing slide
Shield, the extensible cover are installed between the end of the slide and the sliding block.
Further, the extensible cover is organ shape extensible cover.
Further, the end of the slide is provided with shield fixed plate, and the both ends of sliding block are provided with shield connecting plate, institute
The both ends for stating extensible cover are separately mounted on the shield fixed plate and the shield connecting plate.
Further, the slide has two, and is installed in parallel in the upper surface of the powder bed, and each slide corresponds to installation
There is the sliding block, the transmission component, which further includes, is useful for the transition knife rest for installing the doctor assemblies, and the transition knife rest is consolidated
It is scheduled on the sliding block.
Further, the printer power spreading device further includes power source and gear reducer, and the gear reducer connects the biography
Dynamic system, the power source connect the gear reducer, and the power source drives the transmission system start by the gear reducer.
Further, the power source and the gear reducer are installed on the lower surface of the powder bed.
Further, the printer power spreading device further includes moulding cylinder and Powder Recovery on the powder bed
Cylinder, two slides are symmetrically mounted on the moulding cylinder both sides.
Further, the doctor assemblies be installed on the transition knife rest on, the doctor assemblies include scraper mounting base,
Positioned at the trimming piece mounting base at scraper mounting base both ends, vernier knob, scraper pressing plate and scraper, the scraper mounting base is fixed on
On the transition knife rest, the scraper pressing plate is fixed in the scraper mounting base, and the scraper is fixed on the scraper installation
Seat and scraper pressing plate bottom.
Further, the trimming piece mounting base includes adjutage, and the adjutage stretches into the scraper mounting base
In fluting, the distance that is moved for adjusting the scraper mounting base when the vernier knob rotates along the transition knife rest.
Further, the scraper is cylindrical rubber scraper.
Above-mentioned printer power spreading device, extensible cover is equiped between the end of slide and sliding block, when sliding block moves,
Extensible cover is prevented that powder from entering sliding block and the movable joint of slide causes interim card and abrasion, is prolonged by flexible protection slide
Long life.
Brief description of the drawings
Fig. 1 is the schematic perspective view of printer power spreading device in one embodiment of the utility model.
Fig. 2 is the partial exploded view of printer power spreading device shown in Fig. 1.
Fig. 3 is sectional view of the printer power spreading device along III-III directions shown in Fig. 1.
Main element symbol description
Following embodiment will further illustrate the utility model with reference to above-mentioned attached drawing.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
It should be noted that when an element is considered as " connection " another element, it can be directly to separately
One element may be simultaneously present the element being centrally located.When an element is considered as " being arranged at " another element,
It can be set directly on another element or may be simultaneously present the element being centrally located.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to the technology of the utility model
The normally understood implication of technical staff in domain is identical.It is simply in the term used in the description of the utility model herein
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " include
The arbitrary and all combination of one or more relevant Listed Items.
Referring to Fig. 1, the printer power spreading device 100 in one embodiment of the utility model includes power source 10, transmission
System 20, doctor assemblies 30, the powder bed 50 being connected with the transmission system 20 and the moulding cylinder on the powder bed 50
60 and Powder Recovery cylinder 70.
In an embodiment of the utility model, the power source 10 is a motor.
Please refer to Fig. 2, the transmission system 20 includes gear reducer 202, belt 203, driving pulley 204, driven wheel
205th, belt teeth profile connecting plate 206, connection pressing plate 207, strainer 208, slide 209, two sliding blocks 210, extensible cover 211,
Shield connecting plate 212, shield fixed plate 213 and the transition knife rest 214 for connecting two sliding blocks 210.
After the power source 10 coordinates installation with the gear reducer 202, mounting surface and installation by the gear reducer 202
Hole is fixed on the lower surface of the powder bed 50.The gear reducer 202 includes power output shaft 2021, and reserves peace by powder bed
Fill hole and stretch out 50 upper surface of powder bed.Between the power output shaft 2021 and the reserving installation hole by rotary shaft sealing into
Row sealing.
The driving pulley 204 is installed on 2021 end of power output shaft.It is described from moving in turn 205 by the belt
Tabled fish-plate 206 is installed on the upper plane of the powder bed 50.The driving pulley 204 passes through belt 203 with described from wheel 205
Transmission.The interface of the belt 203 is attached solid by the belt teeth profile connecting plate 206 and the connection pressing plate 207
It is fixed.
Described 205 one end of driven wheel is provided with the strainer 208, for adjusting belt tightness degree.
The moulding cylinder 60, Powder Recovery cylinder 70 are installed and in the symmetrical cloth in 60 both sides of moulding cylinder on the powder bed 50
Two slides 209 and sliding block 210 put.Two slides 209 are installed in parallel in the upper surface of the powder bed 50.The transition
Knife rest 214 is installed on two sliding blocks 210, forms stable frame structure, ensures the stability of scraper installation.
Each 210 both sides of sliding block are separately installed with two extensible covers 211 by the shield connecting plate 212.Often
The other end of a extensible cover 211 is fixed in the shield fixed plate 213 of corresponding 209 end of slide.
When sliding block 210 is moved back and forth along slide 209, the extensible cover 211 in front of 210 moving direction of sliding block is compressed,
The extensible cover 211 at rear is elongated.During 210 linear reciprocating motion of sliding block, the slide 209 is in all the time to be stretched
Under the protection of contracting shield.Therefore the movable joint of metal dust into the sliding block 210 and slide 209 can be effectively avoided to make
Into interim card and abrasion, prolong the service life.
Please refer to Fig. 3, the doctor assemblies 30 are installed on the transition knife rest 214.The doctor assemblies 30 wrap
Include scraper mounting base 31, the trimming piece mounting base 32 of 31 both ends of scraper mounting base connection, vernier knob 33, scraper pressing plate 35 and scrape
Knife 36.Mounting groove (not shown) is provided with the transition knife rest 214, the scraper mounting base 31 and mounting groove are tolerance fit.
Scraper mounting base 31 in the mounting groove can only up and down, left and right directions movement, it is impossible to move back and forth or deflection angle.It is described to scrape
Knife mounting base 31 is fixed on the transition knife rest 214 by mounting screw etc..In one embodiment, the corresponding screw of screw
Hole is slotted hole, easy to up and down adjustment.The scraper pressing plate 35 is fixed in scraper mounting base 31 by positioning pin and screw.Scrape
Knife mounting base 31 and 35 bottom of scraper pressing plate are provided with semi-circular recesses, for fixing the scraper 36.In one embodiment,
The scraper 36 is rubber scraper, and rubber scraper is cylinder, is easily installed adjustment.
The vernier knob 33 is installed on the transition knife rest 214 by trimming piece mounting base 32.The trimming piece peace
Dress seat 32 includes an adjutage 321, and the adjutage 321 is stretched into during one that the scraper mounting base 31 opens up slots, for
The distance that scraper mounting base 31 is moved along the transition knife rest 214 is adjusted during rotation.
In addition, those skilled in the art can also do other changes in the utility model spirit, certainly, these are according to this reality
The change made of new spirit, should all be included in the claimed scope of the utility model.
Claims (10)
1. a kind of printer power spreading device, including powder bed, the doctor assemblies on the powder bed and with the doctor assemblies
Connected transmission system, the transmission system includes slide and the sliding block being slidably mounted on the slide, the sliding block are used for
The doctor assemblies are driven to be moved relative to the powder bed, it is characterised in that：The printer power spreading device is further included described in sealing
The extensible cover of slide, the extensible cover are installed between the end of the slide and the sliding block.
2. printer power spreading device as claimed in claim 1, it is characterised in that：The extensible cover stretches shield for organ shape
Cover.
3. printer power spreading device as claimed in claim 1, it is characterised in that：The end of the slide is provided with shield and fixes
Plate, the both ends of sliding block are provided with shield connecting plate, and the both ends of the extensible cover are separately mounted to the shield fixed plate and institute
State on shield connecting plate.
4. printer power spreading device as claimed in claim 1, it is characterised in that：The slide has two, and is installed in parallel in
The upper surface of the powder bed, each slide correspond to and are provided with the sliding block, and the transmission system, which further includes, to be useful for described in installation
The transition knife rest of doctor assemblies, the transition knife rest are fixed on the sliding block.
5. printer power spreading device as claimed in claim 4, it is characterised in that：The printer power spreading device further includes power
Source and gear reducer, the gear reducer connect the transmission system, and the power source connects the gear reducer, and the power source passes through
The gear reducer drives the transmission system start.
6. printer power spreading device as claimed in claim 5, it is characterised in that：The power source and the gear reducer are installed on
The lower surface of the powder bed.
7. printer power spreading device as claimed in claim 5, it is characterised in that：The printer power spreading device further includes installation
Moulding cylinder and Powder Recovery cylinder on the powder bed, two slides are symmetrically mounted on the moulding cylinder both sides.
8. printer power spreading device as claimed in claim 4, it is characterised in that：The doctor assemblies are installed on the transition knife
On frame, the doctor assemblies include scraper mounting base, the trimming piece mounting base positioned at scraper mounting base both ends, vernier knob, scrape
Knife pressing plate and scraper, the scraper mounting base are fixed on the transition knife rest, and the scraper pressing plate is fixed on the scraper peace
Fill on seat, the scraper is fixed on the scraper mounting base and scraper pressing plate bottom.
9. printer power spreading device as claimed in claim 8, it is characterised in that：The trimming piece mounting base includes extension
Arm, the adjutage are stretched into the fluting of the scraper mounting base, for adjusting the scraper when the vernier knob rotates
The distance that mounting base is moved along the transition knife rest.
10. printer power spreading device as claimed in claim 8, it is characterised in that：The scraper is cylindrical rubber scraper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720929881.4U CN207240871U (en) | 2017-07-28 | 2017-07-28 | Printer power spreading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720929881.4U CN207240871U (en) | 2017-07-28 | 2017-07-28 | Printer power spreading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207240871U true CN207240871U (en) | 2018-04-17 |
Family
ID=61880247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720929881.4U Active CN207240871U (en) | 2017-07-28 | 2017-07-28 | Printer power spreading device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207240871U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109731718A (en) * | 2018-12-20 | 2019-05-10 | 宁波志圣烘箱有限公司 | The clear powder recovery machine structure of hairbrush |
| CN114734635A (en) * | 2021-12-28 | 2022-07-12 | 南京铖联激光科技有限公司 | Powder feeding structure of 3D printing equipment |
-
2017
- 2017-07-28 CN CN201720929881.4U patent/CN207240871U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109731718A (en) * | 2018-12-20 | 2019-05-10 | 宁波志圣烘箱有限公司 | The clear powder recovery machine structure of hairbrush |
| CN114734635A (en) * | 2021-12-28 | 2022-07-12 | 南京铖联激光科技有限公司 | Powder feeding structure of 3D printing equipment |
| CN114734635B (en) * | 2021-12-28 | 2023-08-08 | 南京铖联激光科技有限公司 | Powder feeding structure of 3D printing equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220207 Address after: 451162 the second and third floors of building B07, zone B, comprehensive bonded zone, east side of Zhenxing Road, Hangkong District, Zhengzhou City, Henan Province Patentee after: HENAN YUZHAN PRECISION TECHNOLOGY Co.,Ltd. Address before: 450000 no.4401 Shangdu Road, Baisha Town, Zhongmou County, Zhengzhou City, Henan Province Patentee before: FUSHIRUI PRECISION INDUSTRY (ZHENGZHOU) Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 451162 the second and third floors of building B07, zone B, comprehensive bonded zone, east side of Zhenxing Road, Hangkong District, Zhengzhou City, Henan Province Patentee after: Fulian Yuzhan Technology (Henan) Co.,Ltd. Address before: 451162 the second and third floors of building B07, zone B, comprehensive bonded zone, east side of Zhenxing Road, Hangkong District, Zhengzhou City, Henan Province Patentee before: HENAN YUZHAN PRECISION TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |