CN208374110U - A kind of evaporative pattern production prefoam device - Google Patents
A kind of evaporative pattern production prefoam device Download PDFInfo
- Publication number
- CN208374110U CN208374110U CN201821013039.7U CN201821013039U CN208374110U CN 208374110 U CN208374110 U CN 208374110U CN 201821013039 U CN201821013039 U CN 201821013039U CN 208374110 U CN208374110 U CN 208374110U
- Authority
- CN
- China
- Prior art keywords
- chamber
- foaming
- blanking
- cylinder
- blanking chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The utility model discloses a kind of evaporative pattern production prefoam device, including foaming chamber, the top of foaming chamber is provided with feed inlet, and bottom is provided with discharge port, is provided with discharge door in discharge port；Foaming chamber is internally provided with heating component, separation chamber is provided with below foaming chamber, the lower lumen of separation chamber is separated into the first blanking chamber, the second blanking chamber and third blanking chamber by two pieces of partitions, first blanking chamber, the second blanking chamber and third blanking chamber have been respectively arranged below the first picking-up container, the second picking-up container and third picking-up container, first blanking chamber is located at the underface of discharge port, and separation chamber is provided with blowing blower on the side wall of the first blanking chamber, is provided with exhaust outlet on the side wall far from the first blanking chamber.Extraneous cold air can be blowed to bead by blowing blower in discharging by the present apparatus, be quickly cooled down bead, while separating to the bead of different densities, carried out subsequent evaporative pattern production using the bead of medium density, be can be improved castability.
Description
Technical field
The utility model belongs to lost foam casting apparatus field, especially a kind of evaporative pattern production prefoam device.
Background technique
Lost foam casting (also known as cavityless casting) is by paraffin similar with casting dimension shape or bubbles model bonding group
Synthetic model cluster is embedded in vibration molding in drystone sand, is poured under negative pressure, make model gas after brushing fireproof coating and drying
Change, liquid metals occupies modal position, and the novel casting method of casting is formed after solidification is cooling.Lost foam casting is a kind of nearly nothing
The new process of surplus, precise forming, the technique without modulus, without die joint, without sand core, thus casting do not have overlap, burr and
Pattern draft, and reduce as type core combination and caused by scale error.Surface roughness are up to Ra3.2 to 12.5 μ
m；Casting dimension accuracy is up to CT7 to 9；Machining allowance is up to 1.5 to 2mm, can greatly reduce the expense of machining, and pass
System sand mould casting method is compared, it is possible to reduce 40% to 50% machining time, complicated especially suitable for motor housing etc.
The casting of part.
Prefoam is to make one of the main technique of evaporative pattern, and the temperature of prefoam generally at 40 degree or more, complete by foaming
Afterwards, bead needs to cool down by longer time, in addition, the quality in order to guarantee casting, the density of bead should be use up can
It is able to maintain unanimously, but in actual production process, it is difficult to ensure that the consistent in density of each bead, when the density contrast of bead is larger
When, influence the castability of casting.
Utility model content
The purpose of this utility model is to provide a kind of evaporative pattern production prefoam devices, the pearl after capable of making prefoam
Grain is quickly cooled down, while isolating the larger and lesser bead of density, reduces the density contrast of bead, to guarantee the matter of casting
Amount.
Purpose of the utility model is realized as follows: a kind of evaporative pattern production prefoam device, including foaming chamber, institute
The top for stating foaming chamber is provided with feed inlet, and bottom is provided with discharge port, and discharge door, the discharging are provided in the discharge port
Door is connected with the driving mechanism of control discharging door switch；The foaming chamber is internally provided with heating component,
Separation chamber is provided with below the foaming chamber, the lower lumen of the separation chamber is separated by two pieces of vertical partitions
As the first blanking chamber, the second blanking chamber and third blanking chamber, the first blanking chamber, the second blanking chamber and third blanking chamber
It is respectively arranged below the first picking-up container, the second picking-up container and third picking-up container, the first blanking chamber is being located at discharge port just
Lower section, and separation chamber is provided with blowing blower on the side wall of the first blanking chamber, is arranged on the side wall far from the first blanking chamber
There is exhaust outlet.
Further, intercept net is provided in the exhaust outlet.
Further, the side wall and bottom wall of the foaming chamber include inner housing and outer housing, the inner housing and outer housing
Between be provided with heating chamber, the bottom of the heating chamber is provided with the air inlet pipe communicated with heating chamber, and top is provided with and heats
The exhaust pipe that chamber communicates.
Further, it is provided with motor at the top of the foaming chamber, vertical stirring is connected on the main shaft of the motor
Axis, the agitating shaft protrudes into inside foaming chamber, and stirring blade is provided on agitating shaft.
Further, the driving mechanism is cylinder, and the piston rod of the cylinder and discharge door lower surface are hinged, discharge port
Lower section be provided with mounting rail, the cylinder body and mounting rail of cylinder are hinged.
Further, foaming agent case is provided at the top of the foaming chamber, the side wall in foaming agent bottom portion is provided with
First check valve, the conducting direction of first check valve are out of foaming agent case to outside foaming agent case, first check valve
It is connected with delivery pipe, the delivery pipe is communicated with the lower part of a cylinder, and piston, the upper table of the piston are provided in the cylinder
Face is connected with push rod, and the bottom of cylinder is provided with second one-way valve, the conducting direction of the second one-way valve be by cylinder extremely
Outside cylinder, described extend into the indoor second one-way valve of foaming is provided with atomizer.
The beneficial effects of the utility model are: the present apparatus can be blown extraneous cold air by blowing blower in discharging
To bead, it is quickly cooled down bead, while the bead of different densities is separated, carried out using the bead of medium density subsequent
Evaporative pattern production, can be improved castability.
Detailed description of the invention
Fig. 1 is the schematic front view of the utility model.
Appended drawing reference: 1-foaming chamber；2-feed inlets；3-discharge ports；4-discharge doors；5-driving mechanisms；6-selection by winnowing
Room；7-partitions；8-the first blanking chamber；9-the second blanking chamber；10-third blanking chambers；11-the first picking-up container；12-the second
Picking-up container；13-third picking-up containers；14-blowing blowers；15-exhaust outlets；16-intercept nets；17-heating chambers；18-air inlets
Pipe；19-exhaust pipes；20-motors；21-agitating shafts；22-stirring blades；23-mounting rails；24-foaming agent casees；25-the
One check valve；26-delivery pipes；27-cylinders；28-pistons；29-push rods；30-atomizers；31-second one-way valves.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in Figure 1, a kind of evaporative pattern production the prefoam device, including foaming chamber 1 of the utility model, the foaming
The top of room 1 is provided with feed inlet 2, and bottom is provided with discharge port 3, discharge door 4, the discharging are provided in the discharge port 3
Door 4 is connected with the driving mechanism 5 that control discharge door 4 switchs；The foaming chamber 1 is internally provided with heating component.Feed inlet 2 is used for
The bead for making evaporative pattern is added into foaming chamber 1, dismountable cover board can be set at feed inlet 2, when prefoam
Feed inlet 2 is covered, heat losses when reducing foaming.Discharge port 3 is used for the bead after prefoam, driving mechanism 5 to be discharged
In the switch of control discharge door 4, when bead is discharged, discharge door 4 is opened using driving mechanism 5.Heating component is used for pearl
Grain is heated to suitable temperature, to guarantee going on smoothly for prefoam.
The lower section of the foaming chamber 1 is provided with separation chamber 6, and the lower lumen of the separation chamber 6 is by two pieces of vertical partitions 7
It is separated into the first blanking chamber 8, the second blanking chamber 9 and third blanking chamber 10, the first blanking chamber 8, the second blanking chamber 9 and
Three blanking chambers 10 have been respectively arranged below the first picking-up container 11, the second picking-up container 12 and third picking-up container 13, under described first
Material chamber 8 is located at the underface of discharge port 3, and separation chamber 6 is provided with blowing blower 14 on the side wall of the first blanking chamber 8, far
Exhaust outlet 15 is provided on side wall from the first blanking chamber 8.
Blowing blower 14 can blow to extraneous cold air in 6 cavity of separation chamber of 3 lower section of discharge port, the size of wind-force
It can be determined by test of many times, guarantee that the biggish bead of density is fallen in the first blanking chamber 8, the bead of normal density falls in second
In blanking chamber 9, and the lesser bead of density is fallen in third blanking chamber 10.Detailed process are as follows: after the completion of prefoam, open discharging
Door 4 is to certain amplitude, and the bead in foaming chamber 1 is fallen to downwards in separation chamber 6 by discharge port 3, and bead is in separation chamber 6
During falling downwards, blowing blower 14 is opened, extraneous cold air is blowed to bead, makes the fast quickly cooling of bead by blowing blower 14
But, meanwhile, wind-force changes less the motion profile of the biggish bead of density, and the biggish bead of density is made to fall in the first blanking chamber
It is larger to the motion profile change of the bead of medium density in 8, fall in the bead of medium density in the second blanking chamber 9, to close
The motion profile for spending bead less than normal changes maximum, and the bead for keeping density less than normal is fallen in third blanking chamber 10, and density is biggish
Bead, the bead of medium density and density bead less than normal respectively enter the first picking-up container 11, the second picking-up container 12 and third and connect
Hopper 13 thus separates most of density bead bigger than normal and less than normal, after the bead in the second picking-up container 12 is used for
Continuous evaporative pattern production, it is ensured that castability.
It is provided with intercept net 16 in the exhaust outlet 15, prevents the bead of density very little from leaking into extraneous ring from exhaust outlet 15
In border.
The existing conventional heating member such as electric heating wire can be used in heating component, it is preferred that heating component uses thermal current, heat
Air-flow can be water vapour or high-temperature flue gas, since Foundry Works can generally generate a large amount of high-temperature flue gas, using high temperature cigarette
Gas can make full use of thermal energy as heat source, reduce energy consumption.Specifically, the side wall and bottom wall of the foaming chamber 1 include inner housing
And outer housing, heating chamber 17 is provided between the inner housing and outer housing, the bottom of the heating chamber 17 is provided with and heats
The air inlet pipe 18 that chamber 17 communicates, top are provided with the exhaust pipe 19 communicated with heating chamber 17.Inner housing is the good material of thermal conductivity,
Such as stainless steel, aluminium alloy, to guarantee that good heat transfer effect, outer housing use heat-insulated material, or the outer wall in outer housing
Insulating layer is set, to reduce thermal losses.Air inlet pipe 18 is connected with the generation pipeline of hot gas, for hot gas to be passed through heating
Chamber 17, hot gas can be full of heating chamber 17 quickly, guarantee the uniform of heating.Exhaust pipe 19 is used to that the gas after heat exchange to be discharged,
It can be connected with exhaust-gas treatment pipeline, or be connected with pipeline is recycled.
In order to guarantee that each bead is heated evenly, the effect of prefoam is improved, the top of the foaming chamber 1 is provided with motor
20, vertical agitating shaft 21 is connected on the main shaft of the motor 20, and the agitating shaft 21 protrudes into inside foaming chamber 1, and stirs
Stirring blade 22 is provided on axis 21.When prefoam, motor 20 drives agitating shaft 21 to rotate, the stirring blade 22 on agitating shaft 21
Bead is stirred, bead thermally equivalent is made.
Preferably, the driving mechanism 5 is cylinder, and the piston rod of the cylinder and 4 lower surface of discharge door are hinged, discharge port
3 lower section is provided with mounting rail 23, and the cylinder body and mounting rail 23 of cylinder are hinged.
In order to further improve prefoam effect, the top of the foaming chamber 1 is provided with foaming agent case 24, foaming agent case
Foaming agent is stored in 24, the utility model uses existing conventional foaming agent.The side wall of 24 bottom of foaming agent case
It is provided with the first check valve 25, the conducting direction of first check valve 25 is out of foaming agent case 24 to outside foaming agent case 24,
First check valve 25 is connected with delivery pipe 26, and the delivery pipe 26 is communicated with the lower part of a cylinder 27, in the cylinder 27
It is provided with piston 28, the upper surface of the piston 28 is connected with push rod 29, and the bottom of cylinder 27 is provided with second one-way valve 31, institute
State second one-way valve 31 conducting direction be by cylinder 27 to outside cylinder 27, in the second one-way valve extending into foaming chamber 1
On be provided with atomizer 30.After bead is packed into foaming chamber 1, push rod 29, the foaming in foaming agent case 24 are pulled up
Agent enters cylinder 27 by the first check valve 25 and delivery pipe 26, then pushes down on push rod 29, push rod 29 push piston 28 to
Lower movement squeezes the foaming agent in cylinder 27 to atomizer 30, the processing foaming of atomizer 30 by second one-way valve 31
Bead is equably sprayed to after agent atomization.
The preferred embodiment of upper described only the utility model, is not intended to limit the utility model, for ability
For the technical staff in domain, various modifications and changes may be made to the present invention.It is all the spirit and principles of the utility model it
Interior, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of evaporative pattern production uses prefoam device, including foaming chamber (1), the top of the foaming chamber (1) to be provided with charging
Mouth (2), bottom are provided with discharge port (3), are provided with discharge door (4) in the discharge port (3), the discharge door (4) is connected with
Control the driving mechanism (5) of discharge door (4) switch；The foaming chamber (1) is internally provided with heating component, it is characterised in that: institute
It states and is provided with below foaming chamber (1) separation chamber (6), the lower lumen of the separation chamber (6) is by two pieces of vertical partitions (7) point
It is divided into as the first blanking chamber (8), the second blanking chamber (9) and third blanking chamber (10), the first blanking chamber (8), the second blanking
Chamber (9) and third blanking chamber (10) have been respectively arranged below the first picking-up container (11), the second picking-up container (12) and third splicing
Case (13), the first blanking chamber (8) is located at the underface of discharge port (3), and separation chamber (6) is close to the first blanking chamber (8)
It is provided with blowing blower (14) on side wall, is provided with exhaust outlet (15) on the side wall far from the first blanking chamber (8).
2. a kind of evaporative pattern production prefoam device according to claim 1, it is characterised in that: the exhaust outlet (15)
Inside it is provided with intercept net (16).
3. a kind of evaporative pattern production prefoam device according to claim 1, it is characterised in that: the foaming chamber (1)
Side wall and bottom wall include inner housing and outer housing, be provided between the inner housing and outer housing heating chamber (17), it is described plus
The bottom of hot chamber (17) is provided with the air inlet pipe (18) communicated with heating chamber (17), and top is provided with to be communicated with heating chamber (17)
Exhaust pipe (19).
4. a kind of evaporative pattern production prefoam device according to claim 1, it is characterised in that: the foaming chamber (1)
Top be provided with motor (20), be connected with vertical agitating shaft (21), the agitating shaft on the main shaft of the motor (20)
(21) it is internal to protrude into foaming chamber (1), and is provided with stirring blade (22) on agitating shaft (21).
5. a kind of evaporative pattern production prefoam device according to claim 1, it is characterised in that: the driving mechanism
It (5) is cylinder, the piston rod of the cylinder and discharge door (4) lower surface are hinged, and discharge port is provided with mounting rail below (3)
(23), the cylinder body of cylinder and mounting rail (23) are hinged.
6. a kind of evaporative pattern production prefoam device according to claim 1, it is characterised in that: the foaming chamber (1)
Top be provided with foaming agent case (24), the side wall of foaming agent case (24) bottom is provided with the first check valve (25), described
The conducting direction of first check valve (25) be from foaming agent case (24) to foaming agent case (24) outside, first check valve (25)
It is connected with delivery pipe (26), the delivery pipe (26) communicates with the lower part of a cylinder (27), is provided with work in the cylinder (27)
It fills in (28), the upper surface of the piston (28) is connected with push rod (29), and the bottom of cylinder (27) is provided with second one-way valve (31),
The conducting direction of the second one-way valve (31) be by cylinder (27) to cylinder (27) outside, it is described to extend into foaming chamber (1)
Second one-way valve on be provided with atomizer (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821013039.7U CN208374110U (en) | 2018-06-28 | 2018-06-28 | A kind of evaporative pattern production prefoam device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821013039.7U CN208374110U (en) | 2018-06-28 | 2018-06-28 | A kind of evaporative pattern production prefoam device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208374110U true CN208374110U (en) | 2019-01-15 |
Family
ID=64966015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821013039.7U Expired - Fee Related CN208374110U (en) | 2018-06-28 | 2018-06-28 | A kind of evaporative pattern production prefoam device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208374110U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111331076A (en) * | 2020-03-09 | 2020-06-26 | 桐乡市龙凤包装制品有限公司 | A circulation make-up machine for lost foam processing |
| CN112643955A (en) * | 2020-12-16 | 2021-04-13 | 杭州富阳联发消失模成型设备有限公司 | Expandable resin raw material microwave pre-foaming machine and raw material pre-foaming method |
| CN112828243A (en) * | 2020-12-31 | 2021-05-25 | 河北代氏科技有限公司 | A kind of pre-foaming machine for lost foam casting and its working method |
| CN113829541A (en) * | 2021-10-25 | 2021-12-24 | 魏琴 | Foam board particle preparation system |
-
2018
- 2018-06-28 CN CN201821013039.7U patent/CN208374110U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111331076A (en) * | 2020-03-09 | 2020-06-26 | 桐乡市龙凤包装制品有限公司 | A circulation make-up machine for lost foam processing |
| CN112643955A (en) * | 2020-12-16 | 2021-04-13 | 杭州富阳联发消失模成型设备有限公司 | Expandable resin raw material microwave pre-foaming machine and raw material pre-foaming method |
| CN112828243A (en) * | 2020-12-31 | 2021-05-25 | 河北代氏科技有限公司 | A kind of pre-foaming machine for lost foam casting and its working method |
| CN113829541A (en) * | 2021-10-25 | 2021-12-24 | 魏琴 | Foam board particle preparation system |
| CN113829541B (en) * | 2021-10-25 | 2024-07-12 | 山西荣盛昌新型材料有限公司 | Foam board particle preparation system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208374110U (en) | A kind of evaporative pattern production prefoam device | |
| CN103753752B (en) | A kind of aqueous vapor separating plate for eps foam mould of plastics | |
| CN102120352A (en) | Rotational molding forming device | |
| CN106738667A (en) | For the spraying-free high-surface gloss traceless injection molding process of LED television fore shell | |
| CN205897907U (en) | High -efficient cooling device | |
| CN208495709U (en) | A kind of foaming and forming apparatus of the white mould of evaporative pattern | |
| CN218489007U (en) | Injection molding device for bottle cap production | |
| CN217916731U (en) | Refrigerator door lining mold | |
| CN107457963A (en) | A kind of injection mold of conveniently regulating and controlling temperature | |
| CN114654687A (en) | Multi-station temperature control injection molding machine | |
| CN106273148B (en) | A kind of opposite opened automotive upholstery heating furnace | |
| CN211990845U (en) | Processing system for casting mold in mechanical manufacturing production | |
| CN204894553U (en) | Compressor refrigerates and extrudes subassembly integral type three -dimensional inkjet printer | |
| CN219191177U (en) | Injection mold with blow water installation | |
| CN203495235U (en) | Hot air type drying hopper used for injection molding machine | |
| CN201931575U (en) | Rotational molding device | |
| CN212736933U (en) | Quick forming device of special wax of coating | |
| CN206201307U (en) | A kind of opposite opened automotive upholstery heating furnace | |
| CN204894552U (en) | Compressor refrigeration formula three -dimensional inkjet printer's integral type cooling printing device | |
| CN210233840U (en) | A miniature plastic mold for easy production | |
| CN208681909U (en) | A rotating body of a rotomolding machine | |
| CN209176158U (en) | A kind of soy cruet mold cooling body | |
| CN208558065U (en) | A kind of rotational molding machine | |
| CN207415821U (en) | It is a kind of can rapid shaping mold | |
| CN206913640U (en) | A kind of plastic-injection mold base |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190115 Termination date: 20210628 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |