CN109967695A - A kind of equipment and system manufacturing metal product - Google Patents
A kind of equipment and system manufacturing metal product Download PDFInfo
- Publication number
- CN109967695A CN109967695A CN201711441775.2A CN201711441775A CN109967695A CN 109967695 A CN109967695 A CN 109967695A CN 201711441775 A CN201711441775 A CN 201711441775A CN 109967695 A CN109967695 A CN 109967695A
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- metal
- heat
- molten metal
- liquid
- fusible material
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C7/00—Patterns; Manufacture thereof so far as not provided for in other classes
- B22C7/02—Lost patterns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
-
- 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)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
Abstract
The present invention relates to a kind of equipment and system for manufacturing metal product, the equipment includes: 3D printing device, grouting device, molding melting appartus, metal molten device, molten metal injection device, mobile positioning mechanism and liquid amount detector, the metal product model that will first manufacture is printed with fusible material, fusible material formpiston is formed, prints fusible material former in fusible material formpiston periphery at the same time；Heat-resisting material slurry is injected in cavity between fusible material formpiston and fusible material former；After making the fusible material fusing simultaneously of heat-resisting material slurry drying and moulding, heat-resisting material former is formed；Molten metal liquid is injected in heat-resisting material former, and the model of metal product is formed after molten metal is cooling.The production automation of arbitrary shape metal product is realized using present device, production precision is high, produces low with equipment cost.
Description
Technical field
The invention belongs to manufacturing technology fields, and in particular to a kind of equipment and system for manufacturing metal product.
Background technique
3D laser printing technology is mostly used now in field of industrial manufacturing.With 3D laser printing metal, mostly use powdered
Metal accumulated by high power laser light/electron-beam sintering, and the mode successively printed constructs object.This mode exists as follows
Defect:
1) since by the way of successively printing, print speed is slow；
2) there is microscopic void in metal powder during the sintering process, and filling rate is low, and the extrudate density printed is low, intensity
Difference damages the mechanical performance of metal product；
3) metal is easy to oxidize during sinter molding；
4) printer arrangement is complicated, expensive.
These have seriously affected the utilization of metal 3D printing production technology and have popularized.
Summary of the invention
In view of the drawbacks of the prior art, the object of the present invention is to provide a kind of completely new equipment of manufacture metal product and it is
System.The present invention has abandoned traditional metal powder sintered-layer-by-layer printing technique completely, and product strength is high, at low cost.
The manufacturing equipment of metal product provided by the invention, the metal product model which is used to first manufacture is with easily
Melt material prints, and forms fusible material formpiston, prints fusible material former in fusible material formpiston periphery at the same time；?
Heat-resisting material slurry is injected in cavity between fusible material formpiston and fusible material former；Keep heat-resisting material slurry dry
After molding fusible material fusing simultaneously, heat-resisting material former is formed；Molten metal liquid is injected in heat-resisting material former,
The model of metal product is formed after molten metal is cooling.The manufacturing equipment includes rack 1 and the 3D for printing fusible material model
Printing equipment, the 3D printing device include hoistable platform 3, and hoistable platform 3 can move up and down positioning, which also wraps
It includes:
Grouting device, for heat-resisting material slurry to be injected to the sky between fusible material formpiston and fusible material formpiston
Chamber；
Melting appartus is formed, for making heat-resisting material slurry drying and moulding while melting fusible material；
Metal molten device, for melting metal；
Molten metal injection device, for molten metal liquid to be injected heat-resisting material former；
Mobile positioning mechanism, for by the outlet of heat-resisting material slurry or molten metal liquid respectively with the meltable material
The opening positioning of former or heat-resisting material former is expected, accurately to inject corresponding position；With
Liquid amount detector, for detecting the heat-resisting material slurry of injection and the amount of molten metal liquid；
Fusible material model, heat-resisting material model and metal product model are formed on hoistable platform 3.
Present invention employs with it is traditional it is metal powder sintered-successively print entirely different thinking, first produce meltable
Material model regenerates heat-resisting material former, fusible material is melted, finally injects metal in heat-resisting material former
Liquid removes heat-resisting material former.Specifically the present invention has the advantage that
1) automated production of arbitrary shape metal product, and production efficiency are realized using present device and method
Height, the equipment can still print the fusible materials product such as plastics；
2) mobile positioning mechanism and liquid amount detector are used, production precision is high；
3) it by the way of metal molten injection, is not easy to be oxidized, filling rate is high, and the product strength printed is not by shadow
It rings；
4) common metal material can be used, do not need that metal powder is made, production cost is low, while not needing price height
High is laser sintered, and equipment cost is low.
Detailed description of the invention
Attached drawing 1 is a specific embodiment positive structure schematic of the invention.
Attached drawing 2 is Fig. 2 structure schematic diagram.
Attached drawing 3 is the direction Fig. 1 Z-Z view.
Attached drawing 4 is the partial view of another embodiment of the present invention.
Attached drawing 5 is the fusible material model of step 13D printing.
Attached drawing 6 is the heat-resisting material model of step 3.
Attached drawing 7 is the preferred embodiment heated using electromagnetic induction coil.
In figure: rack 1, first level mobile positioning mechanism 2, hoistable platform 3, second move horizontally positioning mechanism 4, cooling
Gas nozzle 5, thermal insulation board 7, high-temperature gas nozzle 8, gas outlet 9, support rod 10, lifting seat 11, squeezes conveying rolling at fluid reservoir 6
Take turns 12, transfer tube 13, electromagnetic induction heating coil 14, screw rod 15, upright guide rail 16, metal smelting-furnace 17, molten metal thermal insulation furnace
18, molten metal exports 19, fire resisting platform 20, sliding seat 41, front and back guide rod 401, left and right fixing seat 402, guide rods
403, fusible material formpiston A, fusible material former B, heat-resisting material cavity C, opening D, the molten metal for injecting heat-resisting material
Inlet sprue E, fusible material outlet sprue F, heat-resisting material mould C ', the opening E ' for injecting metal, fusible material fusing stream
Export F '.
Specific embodiment
As shown in Figure 1, the equipment that the present invention manufactures metal product includes rack 1 and the 3D for printing fusible material model
Printing equipment, the manufacturing equipment further include: grouting device, for heat-resisting material slurry to be injected fusible material formpiston and meltable
Cavity between material formpiston；Melting appartus is formed, for making heat-resisting material slurry drying and moulding while keeping fusible material molten
Change；Metal molten device, for melting metal；Molten metal injection device, for molten metal liquid to be injected heat-resisting material
Former；Mobile positioning mechanism, for by the outlet of heat-resisting material slurry or molten metal liquid respectively with the fusible material
The opening of former or heat-resisting material former positioning, accurately to inject corresponding position；With liquid amount detector, infused for detecting
The amount of the heat-resisting material slurry and molten metal liquid that enter.
The present invention can carry out repacking realization on the basis of existing 3D printer.3D printing device uses elevating mechanism and lifting
Platform 3 is in vertical direction running fix.Elevating mechanism includes Z axis moving assembly and lifting driving assembly.Such as Fig. 2, the mobile group of Z axis
Part includes upright guide rail 16 and screw rod 15.Lifting driving assembly is Z axis motor.Hoistable platform 3 and two in rack 1 are perpendicular
Straight guide 16 is slidably connected, hoistable platform 3 be set to rack 1 on screw rod 15 be connected, 15 lower end of screw rod be set to rack 1 on
The shaft of Z axis motor be connected, the lifting for hoistable platform 3.
3D printing device moves in the horizontal direction positioning by first level mobile positioning mechanism 2.First level is mobile fixed
The prior art (not indicating in detail in attached drawing) can be used in position mechanism 2, which is provided with sliding seat i.e. print head, and print head is equipped with easy
Melt material (such as thermoplastic or ultraviolet photo-curing resin) extrusion device and extruding motor, extrusion device and fusible material store up
Tank connection is hidden, extrusion device is equipped with spray head.The printing of fusible material is carried out using existing control method.
Grouting device includes the fluid reservoir 6 and catheter for storing heat-resisting material slurry.Grouting device is equipped with liquid
Body conveying device (including infusion motor), the fluid reservoir 6 for holding heat-resisting material slurry passes through catheter and liquid transporting apparatus
Connection, liquid transporting apparatus divide into liquid outlet.The opening of fluid reservoir 6 can be equipped with range sensor, monitor remaining liq in fluid reservoir 6
Amount.
Melting appartus is formed, such as using heat gun, generates high-temperature gas, high-temperature gas nozzle 8 is set in rack 1.
Metal molten device can make metal molten using multiple heating mode, such as electromagnetic induction heating, heating plasma
Deng.In addition inert gas protection system can be set, be passed through inert gas shielding, preferably prevent metal from aoxidizing.
As a preferred embodiment, such as Fig. 1, metal molten device includes electromagnetic induction heating coil 14.Metal
Liquid injection device includes support rod 10, lifting seat 11, squeezes conveying roller 12 and transfer tube 13；Support rod 10 is fixed on rack 1
On, lifting seat 11 can be moved up and down along support rod 10, and two extruding conveying rollers 12 are arranged on lifting seat 11, for squeezing
Wire is conveyed, transfer tube 13 passes through electromagnetic induction heating coil 14, for conveying wire and molten metal liquid.More preferably
, as shown in fig. 7, fire resisting platform 20 is arranged on hoistable platform 3, model is placed on fire resisting platform 20, when injecting molten metal,
Model is set to be in 14 middle position of electromagnetic induction heating coil.
As another preferred embodiment, such as Fig. 4, metal molten device includes metal smelting-furnace 17.Molten metal
Injection device includes molten metal thermal insulation furnace 18, sets molten metal outlet 19.Molten metal flows into metal from metal smelting-furnace 17
Liquid holding furnace 18, molten metal export settable solenoid valve (high temperature spool) at 19, control opening and closing and metal flow quantity.
Metal molten device can also use Muffle stove heating, and Muffle furnace bottom can be opened, for hoistable platform 3 to be sent into.
Mobile positioning mechanism can be arranged directly on hoistable platform 3, make hoistable platform 3 can not only along the vertical direction
Z axis running fix, and being capable of X-axis and Y direction running fix in the horizontal direction.
Mobile positioning mechanism can also be provided separately.For example, being passed through by hoistable platform 3 in vertical direction running fix
It is arranged second and moves horizontally positioning mechanism 4 and enables that the liquid outlet of grouting device is more accurate in the horizontal direction, more free moves
Dynamic positioning.Such as Fig. 1 and 3, at this point, the liquid outlet of grouting device, on sliding seat 41, the setting of sliding seat 41 is moved horizontally second
On positioning mechanism 4, second, which moves horizontally positioning mechanism 4, includes X-axis moving assembly, Y-axis moving assembly and horizontal drive component.
Second moves horizontally positioning mechanism 4 can structure identical as 2 use of first level mobile positioning mechanism.Below with one
A preferred embodiment is described in detail.X-axis moving assembly includes front and back guide rod 401 and driving chain.Y-axis moving assembly
Including guide rods 403, left and right fixing seat 402 and left and right transmission belt.Horizontal drive component includes X-axis motor and y-axis motor.
402 horizontal and vertical movement of fixing seat can be driven by belt and chain drive, are respectively equipped on the transmission belt of left and right
Left and right fixing seat 402, fixing seat 402 is slidably connected with the guide rods 403 longitudinally extended being set in rack 1, left and right solid
Front and back guide rod 401 and driving chain are equipped between reservation 402, sliding seat 41 is slidably connected with front and back guide rod 401.Second water
Flat mobile positioning mechanism 4 is equipped with X-axis motor and y-axis motor, drives sliding seat 41 in front and back guide rod 401 and guide rods
It is moved on 403 along X-axis and Y-axis.
Mobile positioning mechanism (including each motor), liquid amount detector (such as range sensor) and solenoid valve respectively with control
Unit connection.Control unit is used for: control 3D printing device carries out 3D printing；Mobile positioning mechanism is controlled, corresponding component is made to exist
Horizontal and/or vertical is mobile and positions；The signal for receiving amount of liquid detector, when amount of liquid reaches predetermined value, control
Grouting device or molten metal injection device enter closed state by open state, so as to quantitative injection heat-resisting material slurry or molten
The molten metal of change.
Metal product is manufactured using the present invention, fusible material model, heat-resisting material model and metal product model exist
It is formed, is included the following steps: on hoistable platform 3
Step 1,3D printing device is printed fusible material formpiston A and fusible material former B using fusible material, easily
Melt material formpiston A is identical as the model for the metal product to be manufactured；Fusible material former B is arbitrary shape, by meltable material
In material formpiston A is enclosed in, and cavity C is left between fusible material formpiston A and fusible material former B, the thickness at any place of cavity C
Degree is not 0；Opening is reserved on fusible material former B, sets sprue in cavity C, as postorder injection heat-resisting material
Opening, the opening of injection molten metal and fusible material are melted out mouth；
For printing a metal ball, as shown in figure 5, fusible material formpiston A is identical as this ball, fusible material former B
Using square shape；Stay opening D Through-cavity C for injecting heat-resisting material at the top of fusible material former B；In cavity C
Top sets a hollow tubular sprue E and injects molten metal for after, implies that out an opening identical with opening D, uses hollow tubular
Sprue E is blocked, and intersects sprue E with fusible material formpiston A, so that postorder isolation heat-resisting material slurry forms opening E '；?
Cavity C bottom sets a solid sprue F and is melted out for postorder fusible material；(sprue E and F are printed with fusible material)；
Step 2, the heat-resisting material slurry outlet of mobile positioning mechanism adjustment grouting device and injection heat-resisting material
The relative position opening (opening D), grouting device injects heat-resisting material slurry from opening, and fills up cavity C just；
Step 3, mobile positioning mechanism adjustment model and molding melting appartus relative position pass through molding melting appartus heating
Make heat-resisting material slurry drying and moulding, fusible material fusing is melted out mouth outflow from fusible material, leaves heat-resisting material
Former C '；
As shown in fig. 6, sprue E and sprue F melt at this time, opening E ' and F ' is left, opening E ' is used to inject molten metal,
The F ' that will be open is blocked with a leakproof sprue, prevents postorder molten metal from leaking out；
Step 4, by metal molten, mobile positioning mechanism adjusts molten metal outlet and injects molten metal metal molten device
Be open the relative position E ', and molten metal injection device injects molten metal liquid from the opening of injection molten metal, and fills up just
The internal cavities of heat-resisting material former C '；
Step 5, it after molten metal being cooled and shaped, using heat-resisting material former C ' is either physically or chemically removed, obtains golden
The model of metal products.
If manufacturing the metal product that sphere etc. easily rolls, metal product can be fixed on hoistable platform 3 in step 3
On, or use below step 1 fusible material formpiston A, form a horizontal cavity in fusible material former B, inject high temperature resistant
After material and molding, generation one is flat, would not tumble on platform.
Heat-resisting material fusing point > melting point metal > fusible material the fusing point, heat-resisting material and fusible material can be selected
Existing material, such as heat-resisting material can use plastics etc. using gypsum etc., fusible material.
Claims (7)
1. a kind of equipment for manufacturing metal product, which includes rack (1) and the 3D printing for printing fusible material model
Device, the 3D printing device include hoistable platform (3), and hoistable platform (3) can move up and down positioning, it is characterised in that this sets
It is standby further include:
Grouting device, for heat-resisting material slurry to be injected to the cavity between fusible material formpiston and fusible material former；
Melting appartus is formed, for making heat-resisting material slurry drying and moulding while melting fusible material；
Metal molten device, for melting metal；
Molten metal injection device, for molten metal liquid to be injected heat-resisting material former；
Mobile positioning mechanism, for the outlet of heat-resisting material slurry or molten metal liquid is negative with the fusible material respectively
The opening of mould or heat-resisting material former positioning, accurately to inject corresponding position；With
Liquid amount detector, for detecting the heat-resisting material slurry of injection and the amount of molten metal liquid；
Fusible material model, heat-resisting material model and metal product model are formed on hoistable platform (3).
2. the equipment of manufacture metal product according to claim 1, it is characterised in that the mobile positioning mechanism setting exists
On hoistable platform (3), make hoistable platform (3) can not only Z axis running fix along the vertical direction, and can be in the horizontal direction
X-axis and Y direction running fix.
3. the equipment of manufacture metal product according to claim 1, it is characterised in that:
The grouting device includes for storing the fluid reservoir of heat-resisting material slurry (6) and catheter, and drain pipe end is set out
Liquid mouth；
The liquid outlet is on sliding seat (41), and sliding seat (41) setting moves horizontally on positioning mechanism (4) second, the second water
Flat mobile positioning mechanism (4) includes X-axis moving assembly, Y-axis moving assembly and horizontal drive component.
4. the equipment of manufacture metal product according to claim 1, it is characterised in that the molding melting appartus generates high
High-temperature gas nozzle (8) are arranged on rack (1) in wet body.
5. manufacturing the equipment of metal product described according to claim 1~one of 4, it is characterised in that:
The metal molten device includes electromagnetic induction heating coil (14)；
The molten metal injection device includes support rod (10), lifting seat (11), squeezes conveying roller (12) and transfer tube (13)；
Support rod (10) is fixed on rack (1), and lifting seat (11) can be moved up and down along support rod (10), two extruding conveyings
Idler wheel (12) is arranged on lifting seat (11), and for squeezing conveying wire, transfer tube (13) passes through electromagnetic induction heating coil
(14), for conveying wire and molten metal liquid.
6. manufacturing the equipment of metal product described according to claim 1~one of 4, it is characterised in that:
The metal molten device includes metal smelting-furnace (17)；
The molten metal injection device includes molten metal thermal insulation furnace (18), sets molten metal outlet (19).
7. a kind of system for manufacturing metal product, manufacturing equipment and control including metal product described in one of claim 1~6
Unit processed, the mobile positioning mechanism and liquid amount detector are connect with control unit, and control unit is used for: control 3D printing dress
Set carry out 3D printing；Mobile positioning mechanism is controlled, makes corresponding component in horizontal and/or vertical movement and positioning；Receiving liquid
The signal of scale of construction detector controls grouting device or molten metal injection device by open state when amount of liquid reaches predetermined value
Into closed state, so as to quantitative injection heat-resisting material slurry or molten metal liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711441775.2A CN109967695A (en) | 2017-12-27 | 2017-12-27 | A kind of equipment and system manufacturing metal product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711441775.2A CN109967695A (en) | 2017-12-27 | 2017-12-27 | A kind of equipment and system manufacturing metal product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109967695A true CN109967695A (en) | 2019-07-05 |
Family
ID=67071477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711441775.2A Pending CN109967695A (en) | 2017-12-27 | 2017-12-27 | A kind of equipment and system manufacturing metal product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109967695A (en) |
-
2017
- 2017-12-27 CN CN201711441775.2A patent/CN109967695A/en active Pending
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Legal Events
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190705 |