CN207105639U - A kind of antistatic powdering roller for SLS rapid shapings equipment - Google Patents
A kind of antistatic powdering roller for SLS rapid shapings equipment Download PDFInfo
- Publication number
- CN207105639U CN207105639U CN201721083862.0U CN201721083862U CN207105639U CN 207105639 U CN207105639 U CN 207105639U CN 201721083862 U CN201721083862 U CN 201721083862U CN 207105639 U CN207105639 U CN 207105639U
- Authority
- CN
- China
- Prior art keywords
- powdering
- antistatic
- powdering roller
- iron sheet
- chromium plating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
- Rolls And Other Rotary Bodies (AREA)
Abstract
It the utility model is related to a kind of antistatic powdering roller for SLS rapid shapings equipment, including conducting metal powdering roller body, electro-insulating rubber layer, chromium plating iron sheet layer and the Antistatic polyethylene film sequentially coaxially set from the inside to the outside, powdering roller body is connected by earth lead with the earth, the surface of chromium plating iron sheet layer is attached in the outside of powdering roller body successively lining electro-insulating rubber layer and chromium plating iron sheet layer, Antistatic polyethylene film.The utility model can mitigate powdering roller in powdering because of friction and caused by electrostatic and roller in motion between each kinematic pair caused by electrostatic, and then reduce Electrostatic Absorption phenomenon when even eliminating powdering, so as to significantly improve the powdering quality of SLS molding equipments, be advantageous to improve the accuracy of manufacture of part to be processed and the surface quality of part.
Description
Technical field
The utility model belongs to quick forming fabri-cation equipment technology field, and in particular to one kind is used for SLS rapid shapings and filled
Standby antistatic powdering roller.
Background technology
Precinct laser sintering (Selective Laser Sintering, SLS) technology is current quick forming fabri-cation field
One of important technology, its operation principle be laser under the control of PC according to the hierarchical information that part to be processed is advance,
Layering sintering is carried out to material, during which laser has often sintered one layer, and powdering roller is uniform by not sintered material again at once
Pave on the surface for having sintered part, then carry out new one layer of sintering, so circulation is carried out, until part process finishing.
The quality of powdering directly determines the machining accuracy and surface quality of part to be processed during part is processed, and powdering
Quality is determined by powdering roller again.Because existing powdering roller is directly prepared into by single metal material mostly, seldom from
Roller goes out to send in itself to carry out antistatic process, and because the inside of SLS equipment is a dry environment, therefore it is this
Powdering roller is easy to produce Electrostatic Absorption phenomenon in powdering, so that the quality of powdering is greatly affected, so that by
The accuracy of manufacture and surface quality for processing part are all influenceed by serious.
Utility model content
The problem of the purpose of this utility model is to have prior art solves, there is provided it is quick that one kind is used for SLS
The antistatic powdering roller of molding equipment, the paving that can prevent from bringing Electrostatic Absorption phenomenon when powdering using the powdering roller
The bad situation of silty amount, and then effectively improve the accuracy of manufacture and surface quality of part to be processed.
The technical scheme used for achieving the above object is such：The SLS rapid shapings that are used for provided fill
Standby antistatic powder-laying roller attached bag includes conducting metal powdering roller body, the electro-insulating rubber sequentially coaxially set from the inside to the outside
Layer, chromium plating iron sheet layer and Antistatic polyethylene film, powdering roller body is connected by earth lead with the earth, in powder-laying roller
Lining electro-insulating rubber layer and chromium plating iron sheet layer, Antistatic polyethylene film are attached to chromium plating iron sheet layer successively in the outside of sub- body
Surface.
The further technical scheme of the utility model includes：By gluing between powdering roller body and electro-insulating rubber layer
Mode is combined closely, and is combined closely between electro-insulating rubber layer and chromium plating iron sheet layer by way of interference fit.
The further technical scheme of the utility model also includes：Described chromium plating iron sheet layer is that outer surface is handled by polishing
Chromium plating iron sheet layer.
The further technical scheme of the utility model also includes：The anti-static polyethylene for being attached to chromium plating iron sheet layer surface is thin
The thickness of film is 0.5~1mm.
Compared with prior art, the utility model has the advantage of：The antistatic powdering roller provided can in powdering
Mitigate powdering roller because of friction and caused by electrostatic and roller in motion between each kinematic pair caused by electrostatic, and then
Reduce Electrostatic Absorption phenomenon when even eliminating powdering, so as to significantly improve the powdering quality of SLS molding equipments, be advantageous to carry
The accuracy of manufacture of high part to be processed and the surface quality of part.
Brief description of the drawings
Fig. 1 is one specific structural representation of the utility model.
The title of each number designation is respectively in figure：1- powdering roller bodies, 2- electro-insulating rubber layers, 3- chromium plating iron sheets
Layer, 4- Antistatic polyethylene films, 5- earth leads.
Embodiment
Referring to accompanying drawing, it is described in the utility model for SLS rapid shapings equipment antistatic powdering roller by from it is interior to
Outer powdering roller body 1, electro-insulating rubber layer 2, chromium plating iron sheet layer 3 and the Antistatic polyethylene film 4 sequentially coaxially set forms.
Wherein material is connected for the powdering roller body 1 of conducting metal by earth lead 5 with the earth, powdering roller body 1 with it is exhausted
Closely it is combined together by gluing mode between edge rubber layer 2, and is led between electro-insulating rubber layer 2 and chromium plating iron sheet layer 3
The mode of interference fit, which is realized, is combined closely, and the surface of used chromium plating iron sheet layer is handled by polishing,
The surface of chromium plating iron sheet layer 3 is pasted with the Antistatic polyethylene film 4 that thickness is only 0.5~1mm.
In real work, the main source that electrostatic is produced on powdering roller is between powdering roller surfaces and material respectively
The rubbing action of rubbing action and powdering roller each kinematic pair in motion.Electrostatic caused by the friction of each kinematic pair first can
It is delivered on powdering roller body 1, the electro-insulating rubber layer 2 being now coated on powdering roller body will prevent caused electrostatic
Transmitted to the surface of powdering roller, the earth lead 5 being at the same time connected on powdering roller body 1 can be introduced into immediately
Greatly, so as to realizing the elimination of electrostatic；Simultaneously again because the surface of chromium plating iron sheet layer 3 has antistatic gather outside powdering roller body
Vinyl film 3, so obvious electrostatic can't be produced on the surface of powdering roller.The utility model is disappeared by above-described
The method destaticed so that powdering roller will not produce obvious Electrostatic Absorption phenomenon in powdering, during so as to improve processing
The quality of powdering, be advantageous to improve the accuracy of manufacture and surface quality of part to be processed.
Claims (4)
- A kind of 1. antistatic powdering roller for SLS rapid shapings equipment, it is characterised in that：Including from the inside to the outside sequentially coaxially Conducting metal powdering roller body (1), electro-insulating rubber layer (2), chromium plating iron sheet layer (3) and the Antistatic polyethylene film of setting (4), powdering roller body (1) is connected by earth lead (5) with the earth, is served as a contrast successively in the outside of powdering roller body (1) Electro-insulating rubber layer (2) and chromium plating iron sheet layer (3) are covered, Antistatic polyethylene film (4) is attached to the surface of chromium plating iron sheet layer (3).
- 2. the antistatic powdering roller according to claim 1 for SLS rapid shapings equipment, it is characterised in that：It is described Powdering roller body (1) and electro-insulating rubber layer (2) between combined closely by gluing mode, electro-insulating rubber layer (2) with plating Ferrochrome cortex is combined closely between (3) by way of interference fit.
- 3. the antistatic powdering roller according to claim 1 or 2 for SLS rapid shapings equipment, it is characterised in that：Institute The chromium plating iron sheet layer (3) stated is the chromium plating iron sheet layer that polishing processing is passed through in outer surface.
- 4. the antistatic powdering roller according to claim 1 for SLS rapid shapings equipment, it is characterised in that：Attach It is 0.5~1mm in the thickness of the Antistatic polyethylene film (4) on chromium plating iron sheet layer (3) surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721083862.0U CN207105639U (en) | 2017-08-28 | 2017-08-28 | A kind of antistatic powdering roller for SLS rapid shapings equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721083862.0U CN207105639U (en) | 2017-08-28 | 2017-08-28 | A kind of antistatic powdering roller for SLS rapid shapings equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207105639U true CN207105639U (en) | 2018-03-16 |
Family
ID=61577977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721083862.0U Expired - Fee Related CN207105639U (en) | 2017-08-28 | 2017-08-28 | A kind of antistatic powdering roller for SLS rapid shapings equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207105639U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109108285A (en) * | 2018-10-16 | 2019-01-01 | 北京易加三维科技有限公司 | The preparation method of powder-laying roller for precinct laser sintering and its powder-laying roller of preparation |
-
2017
- 2017-08-28 CN CN201721083862.0U patent/CN207105639U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109108285A (en) * | 2018-10-16 | 2019-01-01 | 北京易加三维科技有限公司 | The preparation method of powder-laying roller for precinct laser sintering and its powder-laying roller of preparation |
| CN109108285B (en) * | 2018-10-16 | 2019-09-27 | 北京易加三维科技有限公司 | The preparation method of powder-laying roller for precinct laser sintering and its powder-laying roller of preparation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180316 Termination date: 20180828 |