CN107344237B - A kind of moulding cylinder and cylinder inner piston body section method of adjustment for powdering formula increasing material manufacturing equipment - Google Patents
A kind of moulding cylinder and cylinder inner piston body section method of adjustment for powdering formula increasing material manufacturing equipment Download PDFInfo
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- CN107344237B CN107344237B CN201710505601.1A CN201710505601A CN107344237B CN 107344237 B CN107344237 B CN 107344237B CN 201710505601 A CN201710505601 A CN 201710505601A CN 107344237 B CN107344237 B CN 107344237B
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- cock body
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- cock
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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
- B22F10/20—Direct sintering or melting
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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
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- 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
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- 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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Abstract
The invention discloses a kind of moulding cylinder for powdering formula increasing material manufacturing equipment and cylinder inner piston body section methods of adjustment, wherein moulding cylinder includes the piston body of cylinder body and setting in vivo, piston body by center cock body and at least one set in central plug in vitro along the radially-arranged peripheral cock body of center cock body, peripheral cock body has the first connecting portion connecting with cylinder body and the second connecting portion connecting with center cock body；One or more periphery cock body is realized in second connecting portion and center cock body and is connected, form variable cross-section piston body with central plug body by releasing connection in first connecting portion and cylinder body.Cylinder body of the present invention, which is connected by screw to, can make different piston bodies that bottom electric cylinders be followed to carry out stretching motion up and down, and making a formation cylinder tool, there are three types of various sizes of formingspaces.When processing, various sizes of formingspace can be selected to process the part of corresponding size, powdering amount can be greatly decreased using this method, improve the powder using efficiency of powdering formula increasing material manufacturing equipment.
Description
Technical field
The invention belongs to material increasing fields, and in particular to a kind of to improve powdering formula increasing material manufacturing equipment powder using efficiency
Moulding cylinder and cylinder inner piston body section method of adjustment.
Background technique
Powdering formula increases material manufacturing technology belongs to the scope of increases material manufacturing technology, with selective laser fusing and selective laser sintering
It is the most typical, plane manufacture superposition process is converted by traditional three dimensional manufacturing processes using laser.Pass through the laser of focusing
Hot spot scans metal powder layer by fixed route, is constantly sintered or melts metal powder and shape face profile, then layer by layer
It stacks and completes processing, finally realize the manufacture of arbitrarily complicated shaped metal part.
In the prior art, powdering formula increasing material manufacturing equipment is directed to powder supply cylinder, formation cylinder and power spreading device, powdering when work
Device is moved from powder supply cylinder to formation cylinder, is driven the powder in powdering cylinder to be equably paved with one layer in formation cylinder, is then utilized
Computer is selectively sintered the solid powder completed according to the two-dimensional scanning track that slice module shape controls laser beam, to be formed
One level of part；After level forming, electric cylinders take formation cylinder inner piston to and decline a thickness, recycle power spreading device will
Powder in powder supply cylinder is equably paved with one layer in formation cylinder, loops back and forth like this, and is constantly sintered or melts with laser beam
Each powder level forming, stacked in multi-layers are finally completed shaping for entire part.
However existing equipment still remains very big powdering wasting phenomenon, reason is that almost all of equipment is all made of
Be sized to shape cylinder, to meet processable larger size part needs, formation cylinder size is usually larger, when with it is such at
When processing of the shape cylinder to complete small size part, formation cylinder is still paved with a thickness before processing each layer, thus
The waste that will cause a large amount of powder, since metal powder is expensive, the cost for processing small size part is very high；And existing forming
Cylinder is all made of round cylinder design, can be smaller with forming area compared to rectangular cylinder, and therefore, powdering formula increases material manufacturing technology is led at present
A kind of method that can be improved its powder using efficiency and forming cylinder assembly are needed in domain.
Summary of the invention
Above-mentioned the deficiencies in the prior art are directed to, technical problem to be solved by the invention is to provide one kind to be used for powdering formula
The moulding cylinder and cylinder inner piston body section method of adjustment of increasing material manufacturing equipment are completed by switching various sizes of formation cylinder entity
The processing of corresponding size part, can effectively improve powder using efficiency.
In order to solve the above technical problems, the present invention uses following technical scheme：
A kind of moulding cylinder for powdering formula increasing material manufacturing equipment, including cylinder body and setting are in the intracorporal piston of institute's cylinder
Body, it is characterised in that：The piston body is by center cock body and at least one set in the central plug in vitro along center cock body radial direction
The peripheral cock body of distribution, the periphery cock body there is the first connecting portion that connect with cylinder body and connect with the center cock body the
Two interconnecting pieces；The one or more peripheral cock body is connected by releasing connection in first connecting portion and cylinder body second
Socket part and center cock body, which are realized, to be connected, and forms variable cross-section piston body with central plug body.
N number of fixed plate is provided in the cylinder body, each fixed plate has first with corresponding peripheral cock body connection
Link position and the second link position being connect with adjacent fixed plate, the second connecting portion and the fixed plate of the periphery cock body
The second link position it is corresponding, wherein N is the number of peripheral cock body.
It is connected between the fixed plate and peripheral cock body and adjacent fixed plate using fastener.
The first connecting portion of the periphery cock body is pin hole, and the periphery cock body is connect by pin with cylinder body.
The shape of the center cock body and peripheral cock body is rectangular.
Electric cylinders telescopic rod is connected in center cock body lower end.
Dust-proof cushion is equipped between the fixed plate and electric cylinders telescopic rod to completely cut off powder.
A kind of cylinder inner piston body section method of adjustment of moulding cylinder, it is characterised in that：According to the requirement of piston body section, choosing
Center cock body is selected, or by releasing the peripheral cock body connecting with cylinder body one by one and being in turn connected to form different cross section with center cock body
Movable cock body.
The periphery cock body is two, the respectively first peripheral cock body and the second peripheral cock body, in the first peripheral cock body
The first fixed plate is arranged in lower end, and the second fixed plate is arranged in the lower end of the second peripheral cock body；It, will when processing smaller size part
Formation cylinder switches to minimum formingspace position, i.e., pin is inserted in two peripheral cock bodys with cylinder body fixed, central plug
Body follows the telescopic rod of electric cylinders to move up and down；When processing medium size part, formation cylinder is switched into medium formingspace
Position, the first fixed plate are connect with center cock body, while pin nose is to being inserted in the adjacent with cylinder body first peripheral cock body, this
Sample, the first peripheral cock body is connected with center cock body does stretching motion up and down jointly；When process larger sized part, will shape
Cylinder switches to maximum formingspace position, the second fixed plate and is connected with the first fixed plate, and the second peripheral cock body is fixed on second
It in fixed plate, extracts pin and does not fix, in this way, the first peripheral cock body, the second peripheral cock body and center cock body are connected, jointly
Do stretching motion.
Compared with prior art, the invention has the advantages that：
The present invention is a kind of moulding cylinder and adjusting method for improving powdering formula increasing material manufacturing equipment powder using efficiency, forming
Multiple piston bodies in cylinder can be according to actual needs or fixed or follow electric cylinders piston rod flexible, so that the forming face of formation cylinder
Product is variable, can efficiently avoid using according to the forming area of the actual size selection corresponding size of processing part in this way
Large scale formation cylinder processes the powdering wasting phenomenon of small size part, substantially increases powder using efficiency, saves processing cost.
Meanwhile three piston bodies are placed in the design method and extensible formula formation cylinder design phase manually of forming cylinder interior
Than, operate it is simpler it is convenient, do not have to disassembly formation cylinder components, only need to screw completion relevant connection difference can be realized
The switching of size forming area.
In addition, three piston bodies be it is rectangular and mutually nested, be different from all current round formation cylinders designs, very well
Ground, which is realized, to be maximized with forming area.
Detailed description of the invention
Fig. 1 is the overall structure diagram of forming cylinder assembly provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of minimum formingspace position；
Fig. 3 is the structural schematic diagram of medium formingspace position；
Fig. 4 is the structural schematic diagram of maximum formingspace position.
Specific embodiment
For the ease of the understanding of those skilled in the art, the present invention is made further below with reference to embodiment and attached drawing
Bright, the content that embodiment refers to not is limitation of the invention.
Shown in referring to Fig.1, a kind of method and device of raising powdering formula increasing material manufacturing equipment powder using efficiency of the invention,
In embodiment, device includes piston body 1, piston body 2 and piston body 3, and piston body 1,2,3 is placed in formation cylinder cylinder body 9
Portion, electric cylinders are connected by screw with bottom plate 8, and electric cylinders telescopic rod 7 passes through bottom plate center hole and acts on piston body 1, so that living
Cock body 1 can follow electric cylinders telescopic rod to make stretching motion, when fixed plate 5 and flat fixed plate 6 up and down always and be horizontally placed at 9 bottom of cylinder body
Face, when needing to switch different size cylinders and being processed, fixed plate 5 can be connect by screw with piston body 3, and pass through screw
It is connect with fixed plate 6, fixed plate 6 can be connect by screw with piston body 2, and be connect by screw with piston body 1, piston body
2 are provided with pin hole with 3 left side of piston body, and pin 4 can be inserted to as needed in piston body 2 or piston body 3, to prevent piston body
2 fall with piston body 3；
Piston body is squared design, and being formed by forming face by piston switching is square face, and 1 end face of piston body is 10
× 10mm, 2 end face outer profile of piston body are 20 × 20mm, and 3 end face outer profile of piston body is 30 × 30mm；
Diameter 6~10mm circular hole is provided at inboard wall of cylinder block corresponding with 3 pin hole of piston body, it can be from inner wall toward piston body 2,3
Interior insertion pin；
There are the unilateral gaps about 1mm between piston body 1,2,3, convenient for assembly, and guarantee only have a small amount of powder from piston
Portion leaks out；
Screw thread nominal diameter used is all larger than M8, and fixed plate 5 and 6 and the mating junction of screw are counter sink；
Dust-proof cushion is equipped between fixed plate 5 and electric cylinders telescopic rod to completely cut off powder；
The length of electric cylinders telescopic rod 7 is 800mm, and the stroke that stretches is 600mm, and the depth of formation cylinder is 600mm, to guarantee electricity
The Proper Match of cylinder stroke and formation cylinder depth.
When processing smaller size part（Maximum length is no more than 10mm）When, formation cylinder is switched into minimum formingspace position
It sets, as shown in Fig. 2, i.e. fixed plate 5 and fixed plate 6 is flat on 9 bottom surface of cylinder body, while pin 4 being inserted in piston body 2 and to live
Cock body 2 and piston body 3 are fixed, and piston body 1 follows the telescopic rod of electric cylinders to do stretching motion up and down.When processing medium size zero
Part（Length is in 10~20mm）When, formation cylinder is switched into medium formingspace position, as shown in figure 3, i.e. fixed plate 5 is flat on
9 bottom surface of cylinder body, fixed plate 6 are connect with piston body 1,2, while pin 4 is at a certain distance from being inserted in piston body 3, in this way, piston
Body 2 can be connected with piston body 1, do stretching motion up and down jointly.When process larger sized part（Maximum length is more than 20mm）
When, formation cylinder is switched into maximum formingspace position, as shown in figure 4, fixed plate 6 is connect with piston body 1,2, fixed plate 5 with
Piston body 3 connects, and leads to and connect fixed plate 5 with fixed plate 6, extracts pin and does not fix, in this way, piston body 2 and piston body 3
It can be connected with piston body 1, do stretching motion jointly.
When processing, powder is spread interior to formation cylinder opening and is compacted by power spreading device from powdering cylinder, is then swept using laser beam
It retouches specified path and acts on the level that powder forms respective profile, after the processing for completing a level, electric cylinders drive piston body 1,
Or piston body 1 and 2, also or piston body 1,2,3 moves the distance of a level downwardly together, continues to complete powdering and laser is made
The processing of larger size part is completed with process.
There are many concrete application approach of the present invention, the above is only a preferred embodiment of the present invention, it is noted that for
For those skilled in the art, without departing from the principle of the present invention, it can also make several improvements, this
A little improve also should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of moulding cylinder for powdering formula increasing material manufacturing equipment, including cylinder body and setting are in the intracorporal piston of the cylinder
Body, it is characterised in that：The piston body is by center cock body and at least one set in the central plug in vitro along center cock body radial direction
The peripheral cock body of distribution, the periphery cock body there is the first connecting portion that connect with cylinder body and connect with the center cock body the
Two interconnecting pieces；The one or more peripheral cock body is connected by releasing connection in first connecting portion and cylinder body second
Socket part and center cock body, which are realized, to be connected, and forms variable cross-section piston body with central plug body.
2. moulding cylinder according to claim 1, it is characterised in that：N number of fixed plate, Mei Gegu are provided in the cylinder body
Fixed board has and the first link position of corresponding peripheral cock body connection and the second link position connecting with adjacent fixed plate, institute
The second connecting portion for stating peripheral cock body is corresponding with the second link position of the fixed plate, and wherein N is the number of peripheral cock body.
3. moulding cylinder according to claim 2, it is characterised in that：The fixed plate and peripheral cock body and adjacent fixed plate it
Between using fastener connect.
4. moulding cylinder according to claim 1, it is characterised in that：The first connecting portion of the periphery cock body is pin hole, institute
Peripheral cock body is stated to connect by pin with cylinder body.
5. moulding cylinder according to claim 1, it is characterised in that：The shape side of being of the center cock body and peripheral cock body
Shape.
6. moulding cylinder according to claim 2, it is characterised in that：It is flexible that electric cylinders are connected in center cock body lower end
Bar.
7. moulding cylinder according to claim 6, it is characterised in that：It is equipped between the fixed plate and electric cylinders telescopic rod dust-proof
Pad is to completely cut off powder.
8. a kind of cylinder inner piston body section method of adjustment based on moulding cylinder described in claim 1, it is characterised in that：According to piston
The requirement of body section, select center cock body, or by release the peripheral cock body connecting with cylinder body one by one and with center cock body successively
Connection forms the movable cock body of different cross section.
9. cylinder inner piston body section method of adjustment according to claim 8, it is characterised in that：The periphery cock body is two
A, the first fixed plate is arranged in the lower end of the first peripheral cock body, second in the respectively first peripheral cock body and the second peripheral cock body
The second fixed plate is arranged in the lower end of peripheral cock body；When processing smaller size part, formation cylinder is switched into minimum formingspace
Pin, i.e., be inserted to fixed with cylinder body in two peripheral cock bodys by position, and center cock body follows the telescopic rod of electric cylinders to do up and down
Movement；When processing medium size part, formation cylinder is switched into medium formingspace position, the first fixed plate and center cock body
Connection, while pin nose is inserted in the peripheral cock body of first adjacent with cylinder body, in this way, the first peripheral cock body and center cock body phase
Stretching motion up and down is done in connection jointly；When process larger sized part, formation cylinder is switched into maximum formingspace position, the
Two fixed plates and it is connected with the first fixed plate, the second peripheral cock body is fixed in the second fixed plate, and it extracts pin and does not fix, this
Sample, the first peripheral cock body, the second peripheral cock body and center cock body are connected, and do stretching motion jointly.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710505601.1A CN107344237B (en) | 2017-06-28 | 2017-06-28 | A kind of moulding cylinder and cylinder inner piston body section method of adjustment for powdering formula increasing material manufacturing equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710505601.1A CN107344237B (en) | 2017-06-28 | 2017-06-28 | A kind of moulding cylinder and cylinder inner piston body section method of adjustment for powdering formula increasing material manufacturing equipment |
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| CN107344237B true CN107344237B (en) | 2018-11-20 |
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| CN108188394A (en) * | 2018-01-22 | 2018-06-22 | 华南理工大学 | A kind of adjustable shaped platform of area and method applied to 3D printer moulding cylinder |
| CN108453258A (en) * | 2018-03-27 | 2018-08-28 | 中航迈特粉冶科技（北京）有限公司 | Powder feeding substrate size adjusting apparatus and the application method of the device on single cylinder |
| CN109093116A (en) * | 2018-09-17 | 2018-12-28 | 江苏永年激光成形技术有限公司 | The forming box of variable powder volume |
| CN109834269B (en) * | 2019-04-01 | 2023-10-03 | 中国工程物理研究院机械制造工艺研究所 | Micro powder supply and forming device and method for nesting selected area melting additive manufacturing equipment |
| CN111451481B (en) * | 2020-04-10 | 2021-09-21 | 东莞市纽格尔行星传动设备有限公司 | Gear blank making metal mold |
| CN112092372B (en) * | 2020-09-15 | 2023-08-08 | 杭州德迪智能科技有限公司 | Forming cylinder assembly and forming equipment with same |
| 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 |
| CN114131053B (en) * | 2021-12-07 | 2023-08-01 | 广西大学 | Ejector rod type forming device for 3D printer and application |
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| JP4996672B2 (en) * | 2009-12-18 | 2012-08-08 | 株式会社アマダ | 3D object manufacturing equipment |
| CN203792721U (en) * | 2013-10-17 | 2014-08-27 | 广东拓斯达科技股份有限公司 | Adjustable working platform for 3D printing machine |
| CN104785780B (en) * | 2015-04-30 | 2017-07-14 | 北京化工大学 | A kind of device and method for improving selective laser sintering 3D printing part strength |
| CN204914584U (en) * | 2015-08-25 | 2015-12-30 | 广州丽格打印耗材有限公司 | Novel adjustable rapid prototyping machine in light source position |
| CN205033598U (en) * | 2015-09-18 | 2016-02-17 | 广东汉邦激光科技有限公司 | 3D prints base plate intelligence leveling system and 3D printer |
| US20170165909A1 (en) * | 2015-12-14 | 2017-06-15 | Mimaki Engineering Co., Ltd. | Three-dimensional object forming device and adjustment method |
| CN105922580B (en) * | 2016-04-26 | 2018-02-13 | 广东汉邦激光科技有限公司 | Moulding cylinder and the printer with the moulding cylinder |
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Denomination of invention: Forming cylinder for powder spreading type additive manufacturing equipment and in-cylinder piston body section adjusting method Effective date of registration: 20190807 Granted publication date: 20181120 Pledgee: Bank of Jiangsu Limited by Share Ltd Nanjing Hexi Branch Pledgor: Nanjing Zhongke Raycham Technology Co., Ltd. Registration number: Y2019320000019 |
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Date of cancellation: 20200320 Granted publication date: 20181120 Pledgee: Bank of Jiangsu Limited by Share Ltd Nanjing Hexi Branch Pledgor: NANJING ZHONGKE RAYCHAM TECHNOLOGY Co.,Ltd. Registration number: Y2019320000019 |
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Denomination of invention: Forming cylinder for powder spreading type additive manufacturing equipment and in-cylinder piston body section adjusting method Effective date of registration: 20200323 Granted publication date: 20181120 Pledgee: Bank of Jiangsu Limited by Share Ltd Nanjing Hexi Branch Pledgor: NANJING ZHONGKE RAYCHAM TECHNOLOGY Co.,Ltd. Registration number: Y2020980000929 |