CN108856678A - A kind of low-pressure die casting plant with piston negative pressure - Google Patents
A kind of low-pressure die casting plant with piston negative pressure Download PDFInfo
- Publication number
- CN108856678A CN108856678A CN201810770736.5A CN201810770736A CN108856678A CN 108856678 A CN108856678 A CN 108856678A CN 201810770736 A CN201810770736 A CN 201810770736A CN 108856678 A CN108856678 A CN 108856678A
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- CN
- China
- Prior art keywords
- cover half
- piston
- cylinder
- shaped mounting
- mounting rack
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D18/00—Pressure casting; Vacuum casting
- B22D18/04—Low pressure casting, i.e. making use of pressures up to a few bars to fill the mould
Abstract
The invention proposes a kind of low-pressure die casting plants with piston negative pressure,It is arranged two piston cylinders to carry out classification discharge twice to the air in die assembly,It is discharged by the classification,The air in die assembly can be discharged to greatest extent,To guarantee the Forming Quality of casting,Inner air is discharged in it in two times,Atmospheric pressure inside control that can be stable,Avoid the molten iron unusual fluctuation by larger pressure difference suddenly,Forming Quality is caused to reduce,First cover half,Second cover half is separately mounted to left cover half set,In right cover half set,After installing,Opposite extruding H-shaped mounting rack,Complete molding,Its opposite extruding is controlled by adjusting cylinder,After die assembly installs,It begins to that molten iron is added,Molten iron can enter inside die assembly under the effect of gravity,First piston cylinder and second piston cylinder is assisted to carry out air suction process simultaneously,Form negative pressure,Complete the molding of casting.
Description
Technical field
The present invention relates to Casting Equipment technical fields, and in particular to a kind of low-pressure die casting plant with piston negative pressure.
Background technique
Casting is that the mankind grasp than a kind of metal heat processing technique earlier, has history in about 6000.China about exists
B.C. 1700~it is 1000 first between entered heyday of bronze casting, have reached quite high level in technique.Casting
Refer to the casting mold that solid metallic is dissolved and pours into specific shape for liquid, the processing method to its solidification forming.Had by ingot metal：
Copper, iron, aluminium, tin, lead etc., the material of common casting mold are roughing sand, clay, waterglass, resin and other auxiliary materials.
Existing casting process is mostly that metal is melted to liquid to direct or through funnel alignment casting gate pouring, this mode
It is convenient and simple for the casting of heavy castings.But the casting of small-sized casting is often encountered in actual production, small-sized casting
The casting of part can used channel guidance molten metal enter in type chamber.Often mixing air enters in type chamber this casting process,
Crafters can be contained in the casting being cast into this way, it will lead to the off quality of casting, generate discard, waste of manpower object
Power.
Summary of the invention
Aiming at the problem that pointing out in background technique, the present invention proposes a kind of low-pressure die casting plant with piston negative pressure, with solution
Certainly casting includes the problem of air bubble.
The technical proposal of the invention is realized in this way：
A kind of low-pressure die casting plant with piston negative pressure, it is characterised in that：Including upper plate body and lower body, the upper plate
Body and lower body are spaced setting in above-below direction, upper plate body and lower body be it is horizontally disposed, both upper plate body and lower body are logical
Bracket is crossed to be fixedly connected；It further include two H-shaped mounting racks, between two H-shaped mounting rack setting upper plate bodies and lower body, H-shaped
Mounting rack is vertically arranged, and the lower end of H-shaped mounting rack is slidably connected with the lower body, and the lower body is equipped with sliding rail,
The sliding rail is arranged in left-right direction, and the upper end of the H-shaped mounting rack and the upper plate body interval are arranged；It further include mould
Have component, the die assembly includes left cover half set, right cover half set, the first cover half, the second cover half, the left cover half set and
Right cover half set is U-shaped, and both left cover half set and right cover half set opening are oppositely arranged, and left cover half set and right cover half set are fixed respectively
It is mounted on the H-shaped mounting rack of left and right two；The upper end of the die assembly and the upper plate body are in above-below direction
Interval setting, the lower end of the die assembly and the lower body are spaced setting in above-below direction；The lower end of first cover half
Equipped with its internal inlet is connected to, the upper end of first cover half, which is equipped with, is connected to its first internal liquid outlet, described
Second cover half, which is equipped with, is connected to its second internal liquid outlet, and the upper side of the upper plate body is equipped with first piston cylinder and the
The import of two piston cylinders, first piston cylinder is connected to by tube body with first liquid outlet, and the second piston cylinder passes through
Tube body is connected to second liquid outlet, and first piston cylinder and second piston cylinder are used to absorb the air inside die assembly；
It further include two adjusting cylinders, two adjusting cylinders are respectively left adjusting cylinder and right adjusting cylinder, the left adjusting cylinder
It is mounted on the left side of the H-shaped mounting rack in left side, the right adjusting cylinder is mounted on the right side of the H-shaped mounting rack on right side, left tune
Displacements of cylinders and right adjusting cylinder are fixedly connected with lower body and bracket；It further include feeding device, the feeding device includes
Feed hopper, inlet tube, switching device, the feed hopper are fixed at the top of upper plate body, described inlet tube one end with
The lower end outlet of the feed hopper, the other end of the inlet tube are connected to the inlet, the switch
For controlling the on-off of inlet tube upper fluid on the device installation inlet tube.
The present invention is further arranged to, and the left adjusting cylinder and right adjusting cylinder are respectively and in H-shaped mounting rack
Portion's connection.
The present invention is further arranged to, and the H-shaped mounting rack is equipped with upper mounted plate and lower supporting plate, and described is upper solid
Fixed board is equipped with compression bar, and the compression bar can carry out up and down adjustment, and the compression bar is threadedly coupled with the upper mounted plate.
The present invention is further arranged to, and the first piston cylinder and second piston cylinder include cylinder body and piston rod,
The cylinder body is a setting tube body closed at both ends, and the piston rod is arranged in the cylinder body, on the piston rod
It is connected with piston sheet, the inner wall sealing of the piston sheet and the cylinder body cooperates, and one end of cylinder body is equipped with import, described
Piston rod is pierced by from the other end of cylinder body.
The present invention is further arranged to, and the sliding rail is equipped with two, which installs with the H-shaped respectively
The lower end of frame is slidably connected.
Using above-mentioned technical proposal, beneficial effects of the present invention are：
Low-pressure die casting plant provided by the present invention with piston negative pressure, by two piston cylinders of setting come to set of molds
Air in part carries out classification discharge twice, is discharged by the classification, the air in die assembly can be discharged to greatest extent,
To guarantee the Forming Quality of casting, inner air is discharged in two times, the atmospheric pressure inside control that can be stable avoids iron
The water unusual fluctuation by larger pressure difference suddenly, causes Forming Quality to reduce；It is in use, first cover left cover half set, right cover half solid
Dingan County is on H-shaped mounting rack, and left cover half set, right cover half set lower end are held by lower supporting plate, and left cover half set, right cover half cover upper
End is pushed down by compression bar to be fixed, and compression bar is to be threadedly coupled setting, can be adjusted, for adjusting the dynamics compressed；First is fixed
In mould, the second cover half are separately mounted to left cover half set, right cover half covers, after installing, opposite extruding H-shaped mounting rack is completed to close
Mould, opposite extruding is controlled by adjusting cylinder, after die assembly installs, begins to that molten iron is added, under the effect of gravity iron
Water can enter inside die assembly, while first piston cylinder and second piston cylinder being assisted to carry out air suction process, form negative pressure, complete
The molding of casting.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of lower body of the present invention；
Fig. 3 is the structural schematic diagram of H-shaped mounting rack of the present invention；
Fig. 4 is the structural schematic diagram of inventive die component；
Fig. 5 is the structural schematic diagram of H-shaped mounting rack of the present invention；
Fig. 6 is the structural schematic diagram of inventive piston cylinder.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
With reference to Fig. 1-6, the present invention will be described as follows：
A kind of low-pressure die casting plant with piston negative pressure, including upper plate body 10 and lower body 20,10 He of upper plate body
Lower body 20 is spaced setting in above-below direction, and upper plate body 10 and lower body 20 are horizontally disposed, upper plate body 10 and lower body 20
The two is fixedly connected by bracket 30.
It further include two H-shaped mounting racks 40, which is arranged between upper plate body 10 and lower body 20, H-shaped
Mounting rack 40 is vertically arranged, and the lower end of H-shaped mounting rack 40 is slidably connected with the lower body 20, is set on the lower body 20
There is sliding rail 50, the sliding rail 50 is arranged in left-right direction, between the upper end of the H-shaped mounting rack 40 and the upper plate body 10
Every setting.
It further include die assembly, the die assembly includes that left cover half set 60, right cover half cover the 70, first cover half 80, the
Two cover half 90, the left cover half set 60 and right cover half set 70 are U-shaped, both left cover half set 60 and right cover half set 70 opening phase
To setting, left cover half set 60 and right cover half set 70 are respectively and fixedly installed on the H-shaped mounting rack 40 of left and right two；Described
The upper end of die assembly and the upper plate body 10 be spaceds setting in above-below direction, the lower end of the die assembly with it is described
Lower body 20 is spaced setting in above-below direction.
The lower end of first cover half 80, which is equipped with, is connected to its internal inlet 100, and the upper end of first cover half 80 is equipped with
It is connected to its first internal liquid outlet 110, second cover half 90, which is equipped with, is connected to its second internal liquid outlet 120, institute
The upper side for the upper plate body 10 stated is equipped with first piston cylinder 130 and second piston cylinder 140, and the import of first piston cylinder 130 is logical
It crosses tube body to be connected to first liquid outlet 110, the second piston cylinder 140 passes through tube body and second liquid outlet
120 connections, first piston cylinder 130 and second piston cylinder 140 are used to absorb the air inside die assembly.
It further include two adjusting cylinders, two adjusting cylinders are respectively left adjusting cylinder 150 and right adjusting cylinder 160, institute
The left adjusting cylinder 150 stated is mounted on the left side of the H-shaped mounting rack 40 in left side, and the right adjusting cylinder 160 is mounted on right side
H-shaped mounting rack 40 right side, left adjusting cylinder 150 and right adjusting cylinder 160 are fixedly connected with lower body 20 and bracket 30.
It further include feeding device, the feeding device includes feed hopper 170, inlet tube 180, switching device 190, described
Feed hopper 170 be fixed at the top of upper plate body 10, under described 180 one end of inlet tube and the feed hopper 170
Outlet is held, the other end of the inlet tube 180 is connected to the inlet 100, and the switching device 190 is installed
For controlling the on-off of 180 upper fluid of inlet tube on the inlet tube 180.
Wherein, the left adjusting cylinder 150 and right adjusting cylinder 160 are connect with the middle part of H-shaped mounting rack 40 respectively.
Wherein, the H-shaped mounting rack 40 is equipped with upper mounted plate 200 and lower supporting plate 210, the upper mounted plate 200
It is equipped with compression bar 220, the compression bar 220 can carry out up and down adjustment, the compression bar 220 and 200 spiral shell of upper mounted plate
Line connection.
Wherein, the first piston cylinder 130 and second piston cylinder 140 are described including cylinder body 230 and piston rod 240
Cylinder body 230 be it is closed at both ends tube body is set, the piston rod 240 is arranged in the cylinder body 230, the piston
Piston sheet is connected on bar 240, the inner wall sealing of the piston sheet and the cylinder body 230 cooperates, and one end of cylinder body 230 is set
There is import, the piston rod 240 is pierced by from the other end of cylinder body 230.
Wherein, the sliding rail 50 is equipped with two, and two sliding rails 50 are sliding with the lower end of the H-shaped mounting rack 40 respectively
Dynamic connection.
Using above-mentioned technical proposal, beneficial effects of the present invention are：
Low-pressure die casting plant provided by the present invention with piston negative pressure, by two piston cylinders of setting come to set of molds
Air in part carries out classification discharge twice, is discharged by the classification, the air in die assembly can be discharged to greatest extent,
To guarantee the Forming Quality of casting, inner air is discharged in two times, the atmospheric pressure inside control that can be stable avoids iron
The water unusual fluctuation by larger pressure difference suddenly, causes Forming Quality to reduce；Left cover half in use, first covered 60, right cover half set by it
70 are fixedly mounted on H-shaped mounting rack 40, and left cover half set 60, right cover half cover 70 lower ends and held by lower supporting plate 210, left cover half set
60, the upper end of right cover half set 70 is pushed down by compression bar 220 is fixed, and compression bar 220 is to be threadedly coupled setting, can be adjusted, and is used
In the dynamics for adjusting compression；First cover half 80, the second cover half 90 are separately mounted to left cover half set 60, right cover half covers in 70, installation
After good, opposite extruding H-shaped mounting rack 40 completes molding, and opposite extruding is controlled by adjusting cylinder, and die assembly installs
Afterwards, it begins to that molten iron is added, molten iron can enter inside die assembly under the effect of gravity, while assist 130 He of first piston cylinder
Second piston cylinder 140 carries out air suction process, forms negative pressure, completes the molding of casting.
Above-described is only presently preferred embodiments of the present invention, is not intended to limit the invention, all of the invention
Within spirit and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (5)
1. a kind of low-pressure die casting plant with piston negative pressure, it is characterised in that：Including upper plate body and lower body, the upper plate body
Be spaced setting in above-below direction with lower body, upper plate body and lower body be it is horizontally disposed, both upper plate body and lower body pass through
Bracket is fixedly connected；It further include two H-shaped mounting racks, between two H-shaped mounting rack setting upper plate bodies and lower body, H-shaped peace
It shelves and is vertically arranged, the lower end of H-shaped mounting rack is slidably connected with the lower body, and the lower body is equipped with sliding rail, institute
The sliding rail stated is arranged in left-right direction, and the upper end of the H-shaped mounting rack and the upper plate body interval are arranged；It further include mold
Component, the die assembly include left cover half set, right cover half set, the first cover half, the second cover half, and the left cover half covers and the right side
Cover half set is U-shaped, and left cover half set and right cover half set the two opening are oppositely arranged, and left cover half set and right cover half set fix peace respectively
On the H-shaped mounting rack of left and right two；The upper end of the die assembly and the upper plate body in above-below direction between
Every setting, the lower end of the die assembly and the lower body are spaced setting in above-below direction；The lower end of first cover half is set
There is its internal inlet of connection, the upper end of first cover half, which is equipped with, is connected to its first internal liquid outlet, and described the
Two cover half, which are equipped with, is connected to its second internal liquid outlet, and the upper side of the upper plate body is equipped with first piston cylinder and second
The import of piston cylinder, first piston cylinder is connected to by tube body with first liquid outlet, and the second piston cylinder passes through pipe
Body is connected to second liquid outlet, and first piston cylinder and second piston cylinder are used to absorb the air inside die assembly；Also
Including two adjusting cylinders, two adjusting cylinders are respectively left adjusting cylinder and right adjusting cylinder, the left adjusting cylinder peace
Mounted in the left side of the H-shaped mounting rack in left side, the right adjusting cylinder is mounted on the right side of the H-shaped mounting rack on right side, left adjusting
Cylinder and right adjusting cylinder are fixedly connected with lower body and bracket；Further include feeding device, the feeding device include into
Hopper, inlet tube, switching device, the feed hopper are fixed at the top of upper plate body, described inlet tube one end and institute
The lower end outlet for the feed hopper stated, the other end of the inlet tube are connected to the inlet, the switch dress
It sets on the installation inlet tube for controlling the on-off of inlet tube upper fluid.
2. a kind of low-pressure die casting plant with piston negative pressure according to claim 1, it is characterised in that：The left adjusting
Cylinder and right adjusting cylinder are connect with the middle part of H-shaped mounting rack respectively.
3. a kind of low-pressure die casting plant with piston negative pressure according to claim 2, it is characterised in that：The H-shaped peace
It shelves and is equipped with upper mounted plate and lower supporting plate, the upper mounted plate is equipped with compression bar, and the compression bar can carry out up and down adjustment,
The compression bar is threadedly coupled with the upper mounted plate.
4. a kind of low-pressure die casting plant with piston negative pressure according to claim 3, it is characterised in that：Described first is living
Plug cylinder and second piston cylinder include cylinder body and piston rod, and the cylinder body is a setting tube body closed at both ends, the piston
Bar is arranged in the cylinder body, and piston sheet is connected on the piston rod, and the piston sheet is interior with the cylinder body
Wall sealing cooperation, one end of cylinder body are equipped with import, and the piston rod is pierced by from the other end of cylinder body.
5. a kind of low-pressure die casting plant with piston negative pressure according to claim 4, it is characterised in that：The sliding rail is set
There are two, which is slidably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810770736.5A CN108856678A (en) | 2018-07-13 | 2018-07-13 | A kind of low-pressure die casting plant with piston negative pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810770736.5A CN108856678A (en) | 2018-07-13 | 2018-07-13 | A kind of low-pressure die casting plant with piston negative pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108856678A true CN108856678A (en) | 2018-11-23 |
Family
ID=64302024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810770736.5A Withdrawn CN108856678A (en) | 2018-07-13 | 2018-07-13 | A kind of low-pressure die casting plant with piston negative pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108856678A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB834909A (en) * | 1955-10-28 | 1960-05-11 | Demag Ag | Method of casting steel and cast iron and mould for carrying out the method |
| JPS5128526A (en) * | 1974-09-04 | 1976-03-10 | Kubota Ltd | CHUZOHOHO |
| JPS5731463A (en) * | 1980-08-04 | 1982-02-19 | Sintokogio Ltd | Casting method for thin walled casting |
| CN205057010U (en) * | 2015-09-28 | 2016-03-02 | 常州市建顺铸造有限公司 | Negative pressure casting device |
| CN107442761A (en) * | 2016-06-01 | 2017-12-08 | 郭俊峰 | Metal casting system and method |
-
2018
- 2018-07-13 CN CN201810770736.5A patent/CN108856678A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB834909A (en) * | 1955-10-28 | 1960-05-11 | Demag Ag | Method of casting steel and cast iron and mould for carrying out the method |
| JPS5128526A (en) * | 1974-09-04 | 1976-03-10 | Kubota Ltd | CHUZOHOHO |
| JPS5731463A (en) * | 1980-08-04 | 1982-02-19 | Sintokogio Ltd | Casting method for thin walled casting |
| CN205057010U (en) * | 2015-09-28 | 2016-03-02 | 常州市建顺铸造有限公司 | Negative pressure casting device |
| CN107442761A (en) * | 2016-06-01 | 2017-12-08 | 郭俊峰 | Metal casting system and method |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181123 |