CN108817385A - A kind of rectangular deep blind hole cavity of spliced sealing - Google Patents
A kind of rectangular deep blind hole cavity of spliced sealing Download PDFInfo
- Publication number
- CN108817385A CN108817385A CN201810686879.8A CN201810686879A CN108817385A CN 108817385 A CN108817385 A CN 108817385A CN 201810686879 A CN201810686879 A CN 201810686879A CN 108817385 A CN108817385 A CN 108817385A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- cylinder body
- splicing
- bottom plate
- hole
- 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.)
- Withdrawn
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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
- 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
- B22F12/50—Means for feeding of material, e.g. heads
-
- 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
- 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
Abstract
The invention discloses a kind of rectangular deep blind hole cavitys of spliced sealing,It is related to 3D printing powder cylinder field,Including bottom plate,Piston,Cylinder bottom and several rectangular splicing cylinder bodies,Bottom plate upper surface center is fixed with the piston,The upper and lower side of the splicing cylinder body is disposed as being open,It is detachably connected between splicing cylinder body,Splicing cylinder body is detachably connected with bottom plate,The cylinder bottom is in splicing inboard wall of cylinder block sliding,The center of cylinder bottom lower end surface offers hole slot,The piston rod of piston passes through the hole slot and is fixedly connected with the inner terminal of the hole slot of cylinder bottom,The present invention answers piston to rise or fall along the square cavity inner wall that splicing cylinder body is spliced to form,Cylinder bottom is driven to rise or fall to concordant with workbench,This structure is compared to whole cylinder structure,The difficulty of processing reduced while guaranteeing inwall processing precision,Reduce processing cost.
Description
Technical field
The present invention relates to 3D printing powder cylinder fields, and in particular to a kind of rectangular deep blind hole cavity of spliced sealing.
Background technique
3D printing is being commonly called as increases material manufacturing technology, is to manufacture entity zero using the method that material successively adds up by data
The technology of part, relative to traditional material removal technique, 3D printing technique can occasionally form complicated shape part, and formed precision is high,
Material etc. is saved, wherein selective laser is melted, and selective laser sintering and the thawing of electron beam constituency are powder bed metal 3D printings
Technology is represented, based on dusty material, the powder cylinder that 3D printing crosses range request working chamber and is connected with working chamber is fully sealed material,
And powder cylinder limited by processing space it is usually rectangular, and lack powder cylinder in have piston along powder cylinder move up and down, it is desirable that the powder inside wall of cylinder
With very high roughness requirements, this increases the difficulty of processing of rectangular powder cylinder.Traditional processing method adds for solid forging
Work or plate welding form, and forging process is at high cost and processing efficiency is low, and powder cannot be completely secured in the method for plate welding
The air-tightness and machining accuracy of cylinder.
Summary of the invention
The purpose of the present invention is to provide a kind of rectangular deep blind hole cavitys of spliced sealing, to solve to lead in the prior art
The above-mentioned defects of cause.
A kind of rectangular deep blind hole cavity of spliced sealing, including bottom plate, piston, cylinder bottom and several rectangular splicing cylinders
Body, bottom plate upper surface center are fixed with the piston, and the upper and lower side of the splicing cylinder body is disposed as being open, splice
It is detachably connected between cylinder body, splicing cylinder body is detachably connected with bottom plate, and the cylinder bottom is under splicing inboard wall of cylinder block sliding, cylinder bottom
The center of end face offers hole slot, and the piston rod of piston, which passes through the hole slot and fixes with the inner terminal of the hole slot of cylinder bottom, to be connected
It connects.
Preferably, it is additionally provided with base thread hole on the bottom plate, the company of c-type is fixed at left and right sides of the splicing cylinder body
Fishplate bar, outwardly, the upper end of connecting plate is equipped with upper screwed hole to the opening of the connecting plate, and the lower end of the connecting plate connecting plate is equipped with
Lower threaded hole is threadedly coupled between the upper screwed hole and lower threaded hole by fastening screw, the base thread hole and lower spiral shell
It is threadedly coupled between pit by fastening screw.
Preferably, cylinder bottom sealing ring, the cylinder bottom sealing ring and the splicing inboard wall of cylinder block are fixed on the outside of the cylinder bottom
It is in contact.
Preferably, bottom plate seal groove, the lower end of the splicing cylinder body are additionally provided on the bottom plate on the inside of the base thread hole
Face is equipped with the cylinder body sealing ring to match with the bottom plate seal groove, and the connecting plate on the inside of upper screwed hole is sealed equipped with cylinder body
Slot, the cylinder body seal groove match with cylinder body sealing ring.
Preferably, hole slot sealing ring is equipped between the piston rod and hole slot.
The advantage of the invention is that：The present invention is applied to the powder cylinder under metal powder rapid forming equipment workbench, metal
When powder rapid forming equipment works, piston rises or falls along the square cavity inner wall that splicing cylinder body is spliced to form, and drives
Cylinder bottom rises or falls to concordant with workbench, has the progress of cylinder bottom sealing ring between piston and cavity inner wall (splicing inboard wall of cylinder block)
Sealing, if splicing and being carried out between cylinder body and bottom plate by cylinder body sealing ring since cavity is spliced by dry splice cylinder body and bottom plate
Sealing.This structure is compared to whole cylinder structure, the difficulty of processing reduced while guaranteeing inwall processing precision, reduces and adds
Work cost.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Wherein, 1- bottom plate, 11- base thread hole, 12- bottom plate seal groove, 2- piston, 3- cylinder bottom, 4- splice cylinder body, 41-
Connecting plate, 42- upper screwed hole, threaded hole under 43-, 44- cylinder body sealing ring, 45- cylinder body seal groove, 5- fastening screw.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
As shown in Figure 1, a kind of rectangular deep blind hole cavity of spliced sealing, including bottom plate 1, piston 2, cylinder bottom 3 and several
A rectangular splicing cylinder body 4, the 1 upper surface center of bottom plate is fixed with the piston 2, described to splice the upper and lower of cylinder body 4
End is disposed as being open, and splices and is detachably connected between cylinder body 4, and splicing cylinder body 4 is detachably connected with bottom plate 1, and the cylinder bottom 3 exists
Splice the sliding of 4 inner wall of cylinder body, the center of 3 lower end surface of cylinder bottom offers hole slot (not shown), and the piston rod of piston 2 is worn
It crosses the hole slot and is fixedly connected with the inner terminal of the hole slot of cylinder bottom 3.
In the present embodiment, base thread hole 11 is additionally provided on the bottom plate 1, the left and right sides of the splicing cylinder body 4 is solid
Surely there is the connecting plate 41 of c-type, outwardly, the upper end of connecting plate 41 is equipped with upper screwed hole 42, the company to the opening of the connecting plate 41
The lower end of fishplate bar connecting plate 41 is equipped with lower threaded hole 43, passes through fastening screw 5 between the upper screwed hole 42 and lower threaded hole 43
It is threadedly coupled, is threadedly coupled between the base thread hole 11 and lower threaded hole 43 by fastening screw 5.
In the present embodiment, cylinder bottom sealing ring, the cylinder bottom sealing ring and the splicing cylinder are fixed on the outside of the cylinder bottom 3
4 inner wall of body is in contact (not shown).
In the present embodiment, bottom plate seal groove 12, the splicing are additionally provided on the bottom plate 1 of 11 inside of base thread hole
The lower end surface of cylinder body 4 is equipped with the cylinder body sealing ring 44 to match with the bottom plate seal groove 12, the connection of 42 inside of upper screwed hole
Plate 41 is equipped with cylinder body seal groove 45, and the cylinder body seal groove 45 matches with cylinder body sealing ring 44.
In the present embodiment, hole slot sealing ring (not shown) is equipped between the piston rod and hole slot.
The operation principle of the present invention is that：As shown in Figure 1, mutually splicing between splicing cylinder body 4 of the invention, the spelling of lowermost end
Cylinder body 4 and bottom plate 1 is connect to splice, splicing cylinder body 4 is square through hole cavity, depth according to process equipment optimum working depth and
Depending on cavity total depth, Mosaic face is processed according to the surface processing accuracy of sealing surface, and cylinder bottom 3 splices in multiple splicing cylinder bodies 4
And it is slided up and down in the cavity formed by the driving of piston 2；Bottom plate seal groove is additionally provided on the bottom plate 1 of 11 inside of base thread hole
12, the lower end surface of splicing cylinder body 4 is equipped with the cylinder body sealing ring 44 to match with bottom plate seal groove 12, the company of 42 inside of upper screwed hole
Fishplate bar 41 is equipped with cylinder body seal groove 45, and cylinder body seal groove 45 matches with cylinder body sealing ring 44, is fixed with cylinder bottom on the outside of cylinder bottom 3
Sealing ring, cylinder bottom sealing ring are in contact with 4 inner wall of splicing cylinder body, and hole slot sealing ring is equipped between piston rod and hole slot, lead to
Mutual each seal groove and sealing ring are crossed, ensure that the leakproofness under connection status and active state；Fastening screw 5
For fastening each splicing cylinder body 4 and bottom plate 1.
In order to guarantee to splice to splice between cylinder body 4 smoothly auxiliary installation can be carried out by installation positioning pin on splicing cylinder body 4
Positioning guarantees to be aligned between splicing cylinder body 4.
Based on above-mentioned, the present invention is applied to the powder cylinder under metal powder rapid forming equipment workbench, and metal powder is quick
When molding equipment works, piston 2 rises or falls along the square cavity inner wall that splicing cylinder body 4 is spliced to form, and drives on cylinder bottom
It rises or drops to concordant with workbench, have the progress of cylinder bottom sealing ring close between piston 2 and cavity inner wall (splicing 4 inner wall of cylinder body)
Envelope, if splicing between cylinder body 4 and bottom plate 1 since cavity is spliced by dry splice cylinder body 4 and bottom plate 1 by cylinder body sealing ring 44
It is sealed.This structure is compared to whole cylinder structure, the difficulty of processing reduced while guaranteeing inwall processing precision, reduces
Processing cost.
As known by the technical knowledge, the present invention can pass through the embodiment party of other essence without departing from its spirit or essential feature
Case is realized.Therefore, embodiment disclosed above, in all respects are merely illustrative, not the only.Institute
Have within the scope of the present invention or is included in the invention in the change being equal in the scope of the present invention.
Claims (5)
1. a kind of rectangular deep blind hole cavity of spliced sealing, which is characterized in that including bottom plate (1), piston (2), cylinder bottom (3) and
Several rectangular splicing cylinder bodies (4), the bottom plate (1) upper surface center are fixed with the piston (2), the splicing cylinder
The upper and lower side of body (4) is disposed as being open, and is detachably connected between splicing cylinder body (4), splices cylinder body (4) and bottom plate (1) is removable
Connection is unloaded, for the cylinder bottom (3) in splicing cylinder body (4) inner wall sliding, the center of cylinder bottom (3) lower end surface offers hole slot, living
The piston rod of plug (2) passes through the hole slot and is fixedly connected with the inner terminal of the hole slot of cylinder bottom (3).
2. a kind of rectangular deep blind hole cavity of spliced sealing according to claim 1, it is characterised in that：The bottom plate
(1) it is additionally provided on base thread hole (11), the connecting plate (41) of c-type is fixed at left and right sides of splicing cylinder body (4), it is described
Outwardly, the upper end of connecting plate (41) is equipped with upper screwed hole (42) to the opening of connecting plate (41), the connecting plate connecting plate (41)
Lower end is equipped with lower threaded hole (43), is connected between the upper screwed hole (42) and lower threaded hole (43) by fastening screw (5) screw thread
It connects, is threadedly coupled between the base thread hole (11) and lower threaded hole (43) by fastening screw (5).
3. a kind of rectangular deep blind hole cavity of spliced sealing according to claim 2, it is characterised in that：The cylinder bottom
(3) outside is fixed with cylinder bottom sealing ring, and the cylinder bottom sealing ring is in contact with splicing cylinder body (4) inner wall.
4. a kind of rectangular deep blind hole cavity of spliced sealing according to claim 3, it is characterised in that：The bottom plate spiral shell
Be additionally provided with bottom plate seal groove (12) on bottom plate (1) on the inside of pit (11), it is described splicing cylinder body (4) lower end surface be equipped with it is described
The cylinder body sealing ring (44) that bottom plate seal groove (12) matches, it is close that the connecting plate (41) on the inside of upper screwed hole (42) is equipped with cylinder body
Sealing groove (45), the cylinder body seal groove (45) match with cylinder body sealing ring (44).
5. a kind of rectangular deep blind hole cavity of spliced sealing according to claim 1, it is characterised in that：The piston rod
Hole slot sealing ring is equipped between hole slot.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810686879.8A CN108817385A (en) | 2018-06-28 | 2018-06-28 | A kind of rectangular deep blind hole cavity of spliced sealing |
| CN201910488027.2A CN110227819A (en) | 2018-06-28 | 2019-06-05 | A kind of spliced 3D printing powder cylinder of band sealing and explosion prevention function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810686879.8A CN108817385A (en) | 2018-06-28 | 2018-06-28 | A kind of rectangular deep blind hole cavity of spliced sealing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108817385A true CN108817385A (en) | 2018-11-16 |
Family
ID=64133459
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810686879.8A Withdrawn CN108817385A (en) | 2018-06-28 | 2018-06-28 | A kind of rectangular deep blind hole cavity of spliced sealing |
| CN201910488027.2A Pending CN110227819A (en) | 2018-06-28 | 2019-06-05 | A kind of spliced 3D printing powder cylinder of band sealing and explosion prevention function |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910488027.2A Pending CN110227819A (en) | 2018-06-28 | 2019-06-05 | A kind of spliced 3D printing powder cylinder of band sealing and explosion prevention function |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN108817385A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110860690A (en) * | 2019-11-09 | 2020-03-06 | 上海航天设备制造总厂有限公司 | Electric explosion-proof system for metal additive manufacturing equipment and model selection method thereof |
| CN112372871B (en) * | 2020-10-22 | 2022-07-01 | 安徽美高美高分子材料有限公司 | Inferior gram force board raw materials mixing stirring device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2649522Y (en) * | 2003-10-16 | 2004-10-20 | 西安蓝鑫建材新技术有限公司 | Environmental-protection bulk cement jar |
| DE102006014835A1 (en) * | 2006-03-30 | 2007-10-04 | Fockele, Matthias, Dr. | Assembly to fabricate objects from e.g. titanium powder in chamber with inert gas partition forming smoke screen |
| US8372330B2 (en) * | 2009-10-19 | 2013-02-12 | Global Filtration Systems | Resin solidification substrate and assembly |
| CN204159874U (en) * | 2014-06-06 | 2015-02-18 | 海安县鹰球粉末冶金有限公司 | The dual-purpose sintering furnace of vacuum protection atmosphere of metal powder injection molded part |
| CN105039970B (en) * | 2015-07-02 | 2017-10-20 | 西安交通大学 | A kind of replaceable powder cylinder double light beam laser selective melting former |
| DE102016114053A1 (en) * | 2016-07-29 | 2018-02-01 | Cl Schutzrechtsverwaltungs Gmbh | Powder module for a device for the additive production of three-dimensional objects |
| DE102016114056A1 (en) * | 2016-07-29 | 2018-02-01 | Cl Schutzrechtsverwaltungs Gmbh | Powder module for a device for the additive production of three-dimensional objects |
-
2018
- 2018-06-28 CN CN201810686879.8A patent/CN108817385A/en not_active Withdrawn
-
2019
- 2019-06-05 CN CN201910488027.2A patent/CN110227819A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN110227819A (en) | 2019-09-13 |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181116 |