CN105834420A - Additive material manufacturing molding cylinder and additive material manufacturing equipment with same - Google Patents
Additive material manufacturing molding cylinder and additive material manufacturing equipment with same Download PDFInfo
- Publication number
- CN105834420A CN105834420A CN201610298508.3A CN201610298508A CN105834420A CN 105834420 A CN105834420 A CN 105834420A CN 201610298508 A CN201610298508 A CN 201610298508A CN 105834420 A CN105834420 A CN 105834420A
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- China
- Prior art keywords
- cylinder
- formation cylinder
- base frame
- increasing material
- projection
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Classifications
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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
- 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
-
- 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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Moulds, Cores, Or Mandrels (AREA)
Abstract
The invention discloses an additive material manufacturing molding cylinder. A hubbed flange and a base table which is matched with the hubbed flange are installed in the molding cylinder. The base table is provided with a protrusion, and the shape of the cross section of the protrusion is coincident with the shape of the cross section of the hub portion of the hubbed flange. The protrusion of the base table is upwards placed on a piston supporting plate in the molding cylinder, and the hub portion of the hubbed flange is downwards erected at an opening of the molding cylinder. The hub portion of the hubbed flange is closely combined with the protrusion of the base table in a sleeving mode and matched with the protrusion of the base table, so that a cavity for part molding is formed. The invention further discloses additive material manufacturing equipment with the molding cylinder. The application range of existing additive material manufacturing equipment is expanded, powder waste is reduced, and the part molding time is shortened. The additive material manufacturing molding cylinder and the additive material manufacturing equipment are simple in structure and easy to apply and popularize on a large scale.
Description
Technical field
The invention belongs to increase material and manufacture equipment technical field, be specifically related to a kind of material that increases and manufacture formation cylinder, also
Relate to a kind of increasing material with this formation cylinder and manufacture equipment.
Background technology
Increasing material manufacturing technology is based on three-dimensional CAD model data, by the way of increasing material and successively manufacturing.
It is to design a model as source with Computerized three-dimensional, the discrete and numerical control formation system by software hierarchy, profit
With high energy beam, material is successively piled up, final superposition forming, produce entity products.
The process increasing material manufacture has a variety of, is broadly divided into based on automatic powder feeding system and the system of paving powder mode
Make method.Manufacture method based on paving powder mode, its process is: first design zero on computers
The threedimensional model of part, then carries out slicing delamination by cutting software to this threedimensional model, obtains each cross section
Outline data, by these data import increase material manufacture equipment, power spreading device is according to predetermined layer thickness
Lay one layer of powder on formation cylinder surface, equipment controls high energy beam according to outline data and optionally melts respectively
Layer dusty material, is progressively stacked into 3 d part.
At present, existing based on paving powder mode increasing material manufacture equipment sizing after, its formation cylinder size
It is certain, unmodifiable, therefore, either when shaping large-scale part or small size part,
Paving powder area all shapes area equation with the maximum of equipment.So, if using and shaping large-scale part
When equipment shapes small size part, arise that serious powder waste situation, meanwhile, also result in paving
Powder waste of time, the forming efficiency of small size part also can reduce, especially for precious metal, by
Prohibitively expensive in powder, there is serious waste in its cost of parts and time cost.
Summary of the invention
It is an object of the present invention to provide a kind of material that increases and manufacture formation cylinder, solve existing formation cylinder and shape
The problem that powder is wasted occurs during small size part.
It is a further object to provide a kind of increasing material with this formation cylinder and manufacture equipment, this equipment
Available original large-scale part building mortion directly prints small size part, cost-effective.
First technical scheme of the present invention is, a kind of material that increases manufactures formation cylinder, sets in formation cylinder
It is equipped with the hubbed flange and base frame worked in coordination；Wherein, base frame has a projection, convex cross section shape with
Hubbed flange neck cross section shape is consistent；The piston gripper shoe that base frame projection is upwards placed in formation cylinder
On, hubbed flange neck is erected at downwards the cylinder mouth of formation cylinder, and hubbed flange neck is closely linked in base frame
In projection, with base frame male cooperation, form the cavity for part forming.
The feature of formation cylinder of the present invention also resides in:
Base frame be longitudinal section be back-shaped of " mountain " font, back-shaped to have middle part protruding and convex around middle part
Acting the surrounding arranged protruding, the height of middle part projection is not less than the height that surrounding is protruding, and middle part is protruding with four
It is provided with back-shaped groove between all projections；The shape of back-shaped groove and described hubbed flange neck cross section shape
Shape is consistent, and described hubbed flange neck can be inserted back into connected in star, is formed tight nested with back-shaped groove, and
Can move up and down in back-shaped groove.
Back-shaped middle part projection relatively peripheral portion height 20mm.
The outer wall of back-shaped is close to the inwall of described formation cylinder.
Hubbed flange is set up in the cylinder mouth of formation cylinder removably.
The protruding shape and size of hubbed flange neck, base frame are according to the contour shape of part to be formed and chi
Very little determine.
Second technical scheme of the present invention is, the increasing material with above-mentioned formation cylinder manufactures equipment.
It can be lower for powder formula increasing material manufacture equipment that this increasing material manufactures equipment, also includes storing up powder cylinder, in storage powder cylinder
It is provided with the hubbed flange worked in coordination identical with in formation cylinder and base frame.
It can be also that upper powder formula increases material manufacture equipment that this increasing material manufactures equipment.
The method have the advantages that the formation cylinder that the present invention increases in material manufacture equipment is convex by having
Increasing material manufacture equipment formation cylinder is reconstructed by the base frame risen with coordinating of hubbed flange, it is possible to reduces and shapes
The forming dimension of cylinder, reduces powder waste, and prevents part from deforming in forming process, it is ensured that zero
The forming quality of part.This formation cylinder can be widely used for existing various increasing materials and manufactures equipment so that the present invention
Increasing material manufacture equipment be possible not only to manufacture large-scale part also can manufacture small size part, it is not necessary to change,
Cost-effective, it is easy to large-scale promotion application.
Accompanying drawing explanation
Fig. 1 is that the material that increases of the present invention manufactures the structural representation of hubbed flange in formation cylinder；
Fig. 2 is that the material that increases of the present invention manufactures the structural representation of base frame in formation cylinder；
Fig. 3 is the structural representation of a kind of embodiment of the present invention；
Fig. 4 is the structural representation of the another kind of embodiment of the present invention.
In figure, 1. hubbed flange, 2. base frame, 3. storage powder cylinder, 4. formation cylinder, 5. piston gripper shoe, 6. powder,
7. base material, 8. power spreading device, 9. powder discharging device；
1-1. neck, 2-1. is protruding, and 2-2. surrounding is protruding, the back-shaped groove of 2-3..
Detailed description of the invention
The present invention is described in further detail with detailed description of the invention below in conjunction with the accompanying drawings, but the present invention
It is not limited to implementation below.
The present invention arranges a set of hubbed flange worked in coordination in existing increasing material manufactures the formation cylinder of equipment
1 and base frame 2, base frame 2 has projection, the shape of protruding 2-1 cross section and the neck 1-1 of hubbed flange
Cross section is consistent, and its size and shape all can determine according to part section size and shape to be formed, band neck
The neck of flange can be linked in projection, is nested closely with convexing to form.Base frame is according to protruding 2-1 upwards
The piston gripper shoe 5 that is placed in formation cylinder of mode on, both can be directly placed in piston gripper shoe,
Can also be fixed in piston gripper shoe 5 by removably connecting.The Outside Dimensions of hubbed flange 1 is more than
The cylinder mouth size of formation cylinder so that hubbed flange 1 can be erected at downwards the cylinder mouth of formation cylinder 4 by neck, adjusts
The position of whole hubbed flange 1 so that it is neck 1-1 is linked on the protruding 2-1 of base frame, and forms cavity.
In base frame projection 2-1 being placed in formation cylinder by base material 7, i.e. base frame 2 and hubbed flange 1 is formed
In cavity, the bottom and top feed of piston is utilized to make its surface concordant with shaping plane.During shaping, power spreading device 8
Carry out powder bed laying along paving powder direction on formation cylinder base material 7 surface, then carry out the scanning of part individual layer
Shaping, after completing the shaping of part current layer, in formation cylinder, piston gripper shoe drives base frame 2 to move downward
The distance of one thickness, base material 7 is along with the distance of one thickness of mobile decline of base frame 2, with shaping flat
Face is concordant, and power spreading device lays powder on part last layer surface, then shapes, so circulates, completes
The shaping of whole small size part.Power spreading device carries out powder bed laying on the formation cylinder surface of reconstruct, contracting
Little paving powder area, reduces powder waste.
In order to enable hubbed flange preferably to coordinate with base frame, prevent part along shaping in forming process
Direction deforms upon, as shown in Figure 1, 2, it is provided that a kind of structure of base frame, and base frame 2 is one vertical section
Face is back-shaped of " mountain " font, and back-shaped has the protruding 2-1 in middle part and the surrounding arranged around middle part projection
Protruding 2-2, but the height of middle part projection 2-1 is not less than the height of surrounding projection 2-2, for convenience base material
Pick and place, it is preferable that the height of middle part projection 2-1 about 20mm high compared with the height of surrounding projection 2-2.In
Sagging back-shaped groove 2-3 is formed between portion's projection 2-1 and surrounding projection 2-2.Protruding 2-1 is transversal at middle part
The shape in face, back-shaped groove 2-3 shape consistent with the shape of the neck 1-1 cross section of hubbed flange, band
The neck 1-1 of cervical approach orchid can insert in the back-shaped groove 2-3 of base frame, it is possible within it moves up and down.Figure
The neck 1-1 of middle hubbed flange is square, and back-shaped groove 2-3 is match with it square, and the two can
Coordinate, and realize closely being nested.The shape of hubbed flange neck 1-1 cross sectional shape and middle part projection 2-1 is not
Being limited to shown in Fig. 1, its shape and size can be determined according to the contour shape of part to be printed and size,
As long as the two can be formed and closely be nested.Base frame 2 is alternatively other shapes, as longitudinal section be inverted T-shaped,
Rectangle, square etc., as long as mold cavity and the most nested appointing can be formed with the neck of hubbed flange
What structure, all can meet the object of the invention.
Preferably, the outer wall of above-mentioned back-shaped is close to the inwall of formation cylinder 3, prevents back-shaped 2 shaping
Move in cylinder.
Hubbed flange 1 is erected at the cylinder mouth of formation cylinder 4 removably, can ensure band neck during use
The position of flange is not moved, it is not necessary to time can take off.
The inwall of the neck 1-1 of hubbed flange 1 is close to the outer wall of base frame projection 2-1, can prevent powder from falling into
Waste is caused in gap between the protruding 2-1 and neck 1-1 in middle part, prevents base material 7 from moving in cavity simultaneously.
The present invention is by having the base frame of projection and coordinating the shaping increased in material manufacture equipment of hubbed flange
Cylinder is reconstructed, it is possible to reduce the forming dimension of formation cylinder, reduces and uses the increasing material shaping large-scale part
The powder waste that manufacture equipment produces when shaping small size part；By the back-shaped groove of base frame and band cervical approach
Blue is tight nested, prevents part from deforming in forming process, it is ensured that the forming quality of part.
The formation cylinder of the present invention can be used for multiple existing increasing material and manufactures equipment, as lower for the increasing of powder formula in can be used for
Material manufactures equipment, it may also be used for upper powder falling increases material and manufactures equipment.
Increase material manufacture equipment be lower for powder formula increase material manufacture equipment time, in order to save powder material to greatest extent,
The storage powder cylinder of lower powder feeder unit arranges the above-mentioned base frame cooperated and hubbed flange equally.Such as Fig. 3 institute
Show, each equipped with a set of hubbed flange 1 He worked in coordination in the storage powder cylinder 3 and formation cylinder 4 of this equipment
Base frame 2.Two base frames 2 are individually positioned in the piston gripper shoe 5 in storage powder cylinder 3 and formation cylinder 4, can
Move up and down with piston gripper shoe 5.Two hubbed flanges 1 are respectively erected in storage powder cylinder 3 and formation cylinder 4
Cylinder mouth, adjust its position so that it is neck 1-1 is linked in base frame projection 2-1 of correspondence, and at base frame
Cavity is formed between 2 and hubbed flange 1.This cavity be smaller in size than formation cylinder 3 and storage powder cylinder 4 originally
Size, therefore can prepare small size part.
Powder 6 is placed in the base frame projection in storage powder cylinder 3, is i.e. formed between base frame and hubbed flange
In cavity, in base frame projection 2-1 that base material 7 is placed in formation cylinder, i.e. base frame 2 and hubbed flange 1
Between formed cavity in, and make its surface with shaping plane concordant.During shaping, piston in storage powder cylinder 3
Gripper shoe drives base frame to move upward the distance of a thickness, and powder 6 is released storage powder cylinder 3, spread powder by base frame
Device 8 carries out powder laying along paving powder direction on formation cylinder base material 7 surface, then carries out part individual layer
Scanning shapes, and when completing the shaping of current layer, in formation cylinder, piston gripper shoe drives base frame to move downward
The distance of one thickness, base material 7 again moves down into to shape plane concordant, circulates above-mentioned paving powder, scanning
Forming process, completes the making of whole small size part.
When increasing material manufacture equipment is upper powder falling formula increasing material manufacture equipment, as shown in Figure 4, only at this equipment
Formation cylinder 4 is built with the base frame cooperated and hubbed flange.
Base material is placed in base frame projection 2-1 in formation cylinder 3, i.e. shape between base frame 2 and hubbed flange 1
In the cavity become, and make its surface concordant with shaping plane.During shaping, powder discharging device 9 relies on gravity to make
With sending a certain amount of powder, power spreading device 8 carries out powder along paving powder direction on formation cylinder base material 7 surface
Laying, the scanning then carrying out part individual layer shapes, when completing the shaping of current layer, in formation cylinder 4
Piston gripper shoe drives base frame to move downward the distance of a thickness, and base material 7 moves down into and shaping flat again
Face is concordant, circulates above-mentioned paving powder, scanning forming process, completes the making of whole small size part.
The present invention is by having the base frame of projection and coordinating the shaping increased in material manufacture equipment of hubbed flange
Cylinder is reconstructed, and reduces the forming dimension of formation cylinder, it is to avoid in the increasing of existing shaping large-scale part
The situation of the powder waste occurred when shaping small size part on material manufacture equipment, is greatly saved powder material
Material；Meanwhile, when this equipment needs to carry out large-scale part shaping, it is only necessary to by by hubbed flange and the end
Platform removes, and expands the range increasing material manufacture equipment, it is not necessary to more exchange device, has saved cost.
It addition, use the increasing material manufacture equipment of this formation cylinder when carrying out small size part forming, paving can be shortened
The paving powder stroke of powder device, shortens the curring time of part.Formation cylinder simple in construction of the present invention, it is easy to big
Scale popularization and application.
Above description of the present invention is part case study on implementation, but the invention is not limited in above-mentioned concrete
Embodiment.Above-mentioned detailed description of the invention is schematic, is not restrictive.Every employing is originally
The structure of invention, in the case of without departing from present inventive concept and scope of the claimed protection, all tools
Body is expanded within all belonging to protection scope of the present invention.
Claims (9)
1. one kind increases material manufacture formation cylinder, it is characterised in that be provided with the band neck worked in coordination in formation cylinder
Flange and base frame；Wherein, base frame has projection, convex cross section shape and hubbed flange neck cross section
Shape is consistent；Base frame projection is upwards placed in the piston gripper shoe in formation cylinder, hubbed flange neck to
Under be erected at the cylinder mouth of formation cylinder, hubbed flange neck is closely linked in base frame projection, protruding with base frame
Coordinate, form the cavity for part forming.
Increasing material the most according to claim 1 manufactures formation cylinder, it is characterised in that described base frame is vertical
Cross section is back-shaped of " mountain " font, and back-shaped to have middle part surrounding that is protruding and that arrange around middle part projection convex
Rising, the height of middle part projection is not less than the height that surrounding is protruding, arranges between middle part projection and surrounding projection
There is back-shaped groove；The shape of back-shaped groove is consistent with described hubbed flange neck cross section shape, described band
Neck flange neck can be inserted back into connected in star, is formed tight nested with back-shaped groove, and can be in back-shaped groove
Move up and down.
Increasing material the most according to claim 2 manufactures formation cylinder, it is characterised in that described middle part is protruding
Relatively peripheral portion height 20mm.
Increasing material the most according to claim 2 manufactures formation cylinder, it is characterised in that described back-shaped
Outer wall is close to the inwall of described formation cylinder.
Increasing material the most according to claim 1 and 2 manufactures formation cylinder, it is characterised in that described band neck
Flange is set up in the cylinder mouth of formation cylinder removably.
Increasing material the most according to claim 1 and 2 manufactures formation cylinder, it is characterised in that described band neck
The shape and size of flange neck, base frame projection determine according to contour shape and the size of part to be formed.
7. an increasing material with formation cylinder as according to any one of claim 1-6 manufactures equipment.
Increasing material the most according to claim 7 manufactures equipment, it is characterised in that described increasing material manufacture sets
Increase material manufacture equipment for for lower for powder formula, also include storing up powder cylinder, be provided with and formation cylinder internal phase in storing up powder cylinder
The same hubbed flange worked in coordination and base frame.
Increasing material the most according to claim 7 manufactures equipment, it is characterised in that described increasing material manufacture sets
Standby for upper powder falling formula increasing material manufacture equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610298508.3A CN105834420A (en) | 2016-05-06 | 2016-05-06 | Additive material manufacturing molding cylinder and additive material manufacturing equipment with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610298508.3A CN105834420A (en) | 2016-05-06 | 2016-05-06 | Additive material manufacturing molding cylinder and additive material manufacturing equipment with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105834420A true CN105834420A (en) | 2016-08-10 |
Family
ID=56591120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610298508.3A Pending CN105834420A (en) | 2016-05-06 | 2016-05-06 | Additive material manufacturing molding cylinder and additive material manufacturing equipment with same |
Country Status (1)
| Country | Link |
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| CN (1) | CN105834420A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115476021A (en) * | 2021-05-31 | 2022-12-16 | 中国石油天然气集团有限公司 | Submerged arc additive manufacturing method for dissimilar metal material composite high-strength neck-equipped welding neck flange |
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|---|---|---|---|---|
| US20050263933A1 (en) * | 2004-05-28 | 2005-12-01 | 3D Systems, Inc. | Single side bi-directional feed for laser sintering |
| US7034246B2 (en) * | 2004-08-10 | 2006-04-25 | The Boeing Company | Selective laser sintering reduced volume feed mechanism |
| CN103726049A (en) * | 2014-01-09 | 2014-04-16 | 武汉新瑞达激光工程有限责任公司 | Laser additive manufacturing method and device of metal parts |
| CN104668563A (en) * | 2015-02-13 | 2015-06-03 | 华中科技大学 | High-energy beam additive manufacturing method and equipment with high powder raw material utilization rate |
| CN105033251A (en) * | 2015-07-02 | 2015-11-11 | 西安交通大学 | Double-piston metal laser selective melting molding equipment |
| CN105345002A (en) * | 2015-12-08 | 2016-02-24 | 中国工程物理研究院机械制造工艺研究所 | Lathe body structure of laser material additive manufacturing equipment capable of supplying materials in small-amount mode |
-
2016
- 2016-05-06 CN CN201610298508.3A patent/CN105834420A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050263933A1 (en) * | 2004-05-28 | 2005-12-01 | 3D Systems, Inc. | Single side bi-directional feed for laser sintering |
| US7034246B2 (en) * | 2004-08-10 | 2006-04-25 | The Boeing Company | Selective laser sintering reduced volume feed mechanism |
| CN103726049A (en) * | 2014-01-09 | 2014-04-16 | 武汉新瑞达激光工程有限责任公司 | Laser additive manufacturing method and device of metal parts |
| CN104668563A (en) * | 2015-02-13 | 2015-06-03 | 华中科技大学 | High-energy beam additive manufacturing method and equipment with high powder raw material utilization rate |
| CN105033251A (en) * | 2015-07-02 | 2015-11-11 | 西安交通大学 | Double-piston metal laser selective melting molding equipment |
| CN105345002A (en) * | 2015-12-08 | 2016-02-24 | 中国工程物理研究院机械制造工艺研究所 | Lathe body structure of laser material additive manufacturing equipment capable of supplying materials in small-amount mode |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115476021A (en) * | 2021-05-31 | 2022-12-16 | 中国石油天然气集团有限公司 | Submerged arc additive manufacturing method for dissimilar metal material composite high-strength neck-equipped welding neck flange |
| CN115476021B (en) * | 2021-05-31 | 2023-11-21 | 中国石油天然气集团有限公司 | Submerged arc additive manufacturing method of dissimilar metal material composite high-strength necked butt welding flange |
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Application publication date: 20160810 |