CN108127100B - A kind of visual detection device of air injection machine compression system - Google Patents
A kind of visual detection device of air injection machine compression system Download PDFInfo
- Publication number
- CN108127100B CN108127100B CN201810027615.1A CN201810027615A CN108127100B CN 108127100 B CN108127100 B CN 108127100B CN 201810027615 A CN201810027615 A CN 201810027615A CN 108127100 B CN108127100 B CN 108127100B
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- CN
- China
- Prior art keywords
- footstock
- middle base
- pedestal
- stalk
- connecting lugs
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- 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
- B22D18/08—Controlling, supervising, e.g. for safety reasons
-
- 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 discloses a kind of visual detection devices of air injection machine compression system, device noumenon including tubulose, for the aluminium alloy height in the centre bore of measuring device ontology measuring scale, be mounted on the bracket and reflective mirror rack-mount and that reflection angle can be adjusted of device noumenon top surface；This physical efficiency of described device is mounted on the stalk upper end of casting machine and its centre bore can be connected to stalk, by the reflective mirror it is observed that aluminium alloy situation in the centre bore of device noumenon and in stalk.The height of alloy liquid level under some pressure state can be observed using the detection device, pressure value needed for accurately obtaining expected liquid level, and judge stalk with the presence or absence of leakage problem.
Description
Technical field
The invention belongs to low pressure casting fields, and in particular to a kind of Visual retrieval dress of air injection machine compression system
It sets.
Background technique
Low pressure casting production process is a totally enclosed process, and operator can not see on pressurization bring aluminium alloy
The process of liter, it is even more impossible to determine accurate corresponding relationship between moulding pressure and liquid level.When usual technological design, moulding pressure
Determination be to calculate method (P=ρ gh) according to liquid pressure to carry out calculating acquisition, due to high temperature alloy liquid density exist it is certain accidentally
Difference, mobility also have certain influence, therefore when the pressure that is calculated from the formula carries out technological design, obtained practical liquid level is high
Degree is always lower than expection, it may appear that the filling of casting top is discontented, and pressure value determines extremely difficult when filling type technique using segmented.Separately
Outside, when equipment current check is safeguarded, the micro-crack that stalk has just generated is difficult to find, if stalk just produces in production process
There is slight gas leakage in raw micro-crack, then gas can form stomata in cast-internal after entering aluminium alloy, casting will fill type
Bad, checking reason at this time will become complicated, be affected to continuous production.
Summary of the invention
The object of the present invention is to provide a kind of visual detection devices of air injection machine compression system, to observe some pressure
The height of alloy liquid level under power state, pressure value needed for accurately obtaining expected liquid level, and judge whether stalk is deposited
In leakage problem.
The visual detection device of air injection machine compression system of the present invention, device noumenon, use including tubulose
In the aluminium alloy height in the centre bore of measuring device ontology measuring scale, be mounted on the bracket of device noumenon top surface and be mounted on
On bracket and the reflective mirror of reflection angle can be adjusted；This physical efficiency of described device be mounted on the stalk upper end of casting machine and its (i.e.
Measuring device ontology) centre bore can be connected to stalk, by the reflective mirror it is observed that in the centre bore of device noumenon
And the aluminium alloy situation in stalk.
Described device ontology by ceramic tube, the electric heater being wound on outside ceramic tube, be coated on outside ceramic tube and electric heater
Refractory material layer and the shell that is coated on outside refractory material layer constitute, be provided with the wiring connecting with electric heater on shell
Box.
Described device body top surface is placed with the top cover that can cover the centre bore of device noumenon, and the upper surface of top cover is provided with
Handle can be such that top cover picks and places more convenient by handle.
The measuring scale is one section of aluminium wire with setting length, and the measurement portion quartile of the aluminium wire is in the center of device noumenon
In hole and lower end is flushed with the lower end of the centre bore of device noumenon, and the coupling part of the aluminium wire is located at the centre bore of device noumenon
Outside.
Described device ontology is using segmentation structure, the footstock including pedestal He the side of being mounted on the base, the pedestal
Pedestal connecting lugs there are two side wall lower edge is provided with ring flange, side wall top edge is symmetrical arranged, the lower end surface of the pedestal
It is provided with the pedestal pit that a circle is matched with the upper surface of the stalk, the upper surface of the pedestal is provided with a circle pedestal
The side wall lower edge of boss, the footstock is symmetrical arranged there are two connecting lugs under footstock, and the lower end surface of the footstock is provided with
The footstock pit that one circle can be matched with the base boss, the bracket are mounted on the upper surface of footstock close to edge, institute
Top cover is stated to be placed in the middle part of the upper surface of footstock.
Described device ontology further includes at least one middle base being mounted between pedestal and footstock, the side of the middle base
Wall top edge, which is symmetrical arranged, is symmetrical arranged that there are two branch is connected under middle base there are two connecting lugs, side wall lower edge in middle base
Ear, the lower end surface of the middle base are provided with the middle base pit that a circle can be matched with the base boss, the middle base
Upper surface be provided with the middle base boss that a circle can be matched with the footstock pit；The middle base is placed on pedestal,
Base boss is located in middle base pit and the first gasket of midfeather, connecting lugs and pedestal connecting lugs pair under middle base
Fastening should and be bolted；The footstock is placed in middle base, and middle base boss is located in footstock pit and midfeather
Second gasket, connecting lugs are corresponding with connecting lugs in middle base under footstock and fastening is bolted.Middle base can be with
Installation one, can also install multiple, and the height of device noumenon is adjusted by adjusting the number of middle base, difference may be implemented
The demand of pressure detecting.
The pedestal, middle base, footstock all by ceramic tube, the electric heater being wound on outside ceramic tube, be coated on ceramic tube and
Refractory material layer outside electric heater is constituted with the shell being coated on outside refractory material layer, is provided on shell and electric heater connects
The terminal box connect.
The side wall top edge of the footstock is symmetrical arranged there are two connecting lugs on footstock, and the coupling part of the aluminium wire twines
It is wound on one of footstock in connecting lugs.
When detection, above-mentioned apparatus ontology is mounted on the stalk upper end of casting machine, is spaced between device noumenon and stalk
The centre bore of sealing ring, measuring device ontology is connected to stalk.
The present invention has the effect that
(1) in pressure process, by reflective mirror just it is observed that in the centre bore of device noumenon and in stalk
Aluminium alloy
The process of rising can also observe the stability of the height of liquid level and liquid level under some pressure state, through measuring
After ruler measurement, pressure value needed for can accurately obtaining expected liquid level.
(2) liquid level can be observed under any pressure state, assesses the liter liquid ability of air injection machine.
(3) when whether daily maintenance detection stalk damaged, whether can there is bubble to emerge according to liquid level to determine whether
There are gas leakage；If there is gas leakage, then may determine whether by way of slowly reducing pressure and declining liquid level slowly to rise
Liquid pipe gas leakage, to can determine that stalk with the presence or absence of micro-crack, is avoided in subsequent casting process and made because of stalk gas leakage
Occur at the bad problem of Filling Processes of Castings, reduces casting cost.
(4) situation about being discontented in process of production in the event of casting filling, can be quick using above-mentioned detection device
Identify whether as caused by stalk gas leakage.
(5) above-mentioned detection device structure is simple, and the stalk upper end for being mounted on casting machine can be detected, operation side
Just.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is half-section diagram of the invention.
Fig. 3 is the structural schematic diagram of the pedestal in the present invention.
Fig. 4 is the structural schematic diagram of the middle base in the present invention.
Fig. 5 is the structural schematic diagram of the footstock in the present invention.
Fig. 6 is the installation condition schematic diagram when present invention uses.
Specific embodiment
It elaborates with reference to the accompanying drawing to the present invention.
The visual detection device of air injection machine compression system as shown in Figures 1 to 6, the device noumenon including tubulose
1, bracket 2, for the aluminium alloy height in the centre bore of measuring device ontology 1 measuring scale and be mounted on bracket 2 and can adjust
The reflective mirror 3 of whole reflection angle.
Device noumenon 1 uses segmentation structure, including pedestal 4, the middle base being mounted on pedestal 45 and is mounted on centre
Footstock 6 on seat 5；The side wall lower edge of pedestal 4 is provided with ring flange 41, there are two the side wall top edge of pedestal 4 is symmetrical arranged
Pedestal connecting lugs 42, the lower end surface of pedestal 4 are provided with the pedestal pit 43 that a circle is matched with the upper surface of stalk 10, bottom
The upper surface of seat 4 is provided with a circle base boss 44；The side wall top edge of middle base 5 is arranged symmetrically, and there are two connect in middle base
The side wall lower edge of trunnion 51, middle base 5 is symmetrical arranged there are two connecting lugs 52 under middle base, and the lower end surface of middle base 5 is set
It is equipped with the middle base pit 53 that a circle can be matched with base boss 44, it is convex that the upper surface of middle base 5 is provided with a circle middle base
Platform 54；The side wall top edge of footstock 6 is symmetrical arranged there are two connecting lugs 61 on footstock, and the side wall lower edge of footstock 6 is symmetrically set
Connecting lugs 62 under footstock there are two setting, the upper surface of footstock 6 is smooth plane, and the lower end surface of footstock 6 is provided with a circle energy
The footstock pit 63 matched with middle base boss 54；Middle base 5 is placed on pedestal 4, and it is recessed that base boss 44 is located at middle base
53 interior and the first gaskets of midfeather 7 are cheated, connecting lugs 52 are corresponding with pedestal connecting lugs 42 under middle base and pass through bolt
Connection fastening；Footstock 6 is placed in middle base 5, and middle base boss 54 is located in footstock pit 63 and the second gasket of midfeather
8, connecting lugs 62 are corresponding with connecting lugs 51 in middle base under footstock and fastening is bolted.
It is placed with the top cover 9 that can cover the centre bore of device noumenon 1 in the middle part of the upper surface of footstock 6, the upper surface of top cover 9 is set
It is equipped with handle 91, top cover 9 is made of top cover shell 93 and the refractory material block 92 being filled in top cover shell 93, and bracket 2 is installed
In the upper surface of footstock 6 close to edge.
Pedestal 4, middle base 5, footstock 6 all by ceramic tube 11, the electric heater being wound on outside ceramic tube 11 12, be coated on ceramics
Refractory material layer 13 outside pipe 11 and electric heater 12 is constituted with the shell 14 being coated on outside refractory material layer 13, is set on shell 14
It is equipped with the terminal box 15 connecting with electric heater 12.
Measuring scale is one section of aluminium wire 20 with setting length, and the measurement portion quartile of the aluminium wire 20 is in device noumenon 1
(i.e. in ceramic tube 11) and lower end is flushed with the lower end of the centre bore of device noumenon 1 in heart hole (is located at the center of device noumenon
The length of aluminium wire in hole and the height of centre bore are equal), the coupling part of the aluminium wire 20, which is wrapped on one of footstock, to be connected
It connects on trunnion 61.
Before use, according to required pressure to be tested, the number (number of middle base 5 in the present embodiment of middle base 5 is selected
It is one), it is placed on 10 upper end of stalk of casting machine 30 after being completed, places sealing ring between pedestal 4 and stalk 10
40, pedestal 4, middle base 5, footstock 6 ceramic tube 11 be connected to stalk 10, the ring flange 41 of pedestal 4 is pressed on by briquetting 31
10 upper end of stalk, briquetting 31 are bolted on lower mold mounting plate 32, and terminal box 15 connects external power supply, electric heater
12 heat to ceramic tube 11, to guarantee that aluminium alloy keeps liquid in ceramic tube 11 for a long time.
When rising situation for observing pressure process liquid level, after being heated to required temperature, top cover 9, casting machine 30 are opened
Start to pressurize according to preset pressuring curve, the aluminium alloy in holding furnace 33 constantly rises with stalk 10, and adjustment is anti-
The angle of light microscopic 3 can observe the uphill process of entire aluminium alloy by reflective mirror 3.
When for detecting liquid level and stability under certain pressure, first taking a setting length, (length compares device noumenon
Centre bore height greatly at least 10cm) thinner aluminium wire 20, in the place equal with the height of the centre bore of device noumenon
It is stand-by to curve right angle；After (about 500~550 DEG C) to be heated to required temperature, open top cover 9, by the measurement part of aluminium wire 20 from
The oral area of footstock 6 is put into the centre bore of device noumenon 1, and 5 millimeters of extending apparatus inner body wall, the tail portion of aluminium wire 20 (connects
Part) it is wrapped on one of footstock in connecting lugs 61, casting machine 30 is forced into required pressure, adjusts the angle of reflective mirror 3
Degree, by the height and fluctuation situation of 3 Observable liquid level of reflective mirror, aluminium alloy can will be located at the center of device noumenon 1 after rising
The lower part of aluminium wire 20 in hole is submerged and is melted, and the part that do not submerge still is aluminium wire, takes out remaining aluminium wire after the completion of detection,
The practical lifting height of aluminium alloy is judged by measuring the length of remaining aluminium wire, to accurately obtain needed for expected liquid level
Pressure value.
For detect stalk whether gas leakage when, after being heated to required temperature, casting machine 30 is forced into required pressure, beats
Top cover 9 is opened, the angle of reflective mirror 3 is adjusted, the liquid level situation in certain time, if liquid level is tranquil, nothing are observed by reflective mirror 3
Bubble is emerged, then illustrates that stalk 10 is air tight, if liquid level has bubble to emerge, to the slow pressure release manually of casting machine 30, liquid
Face starts slowly to reduce, and when liquid level is reduced to leakage point, that is, the ripple that gas blows liquid level can be observed, if leakage point exists
40 top of sealing ring, then explanation is that there are gas leakage for device noumenon 1, if leakage point illustrates stalk below sealing ring 40
10 there are gas leakage, need replacing stalk.
Claims (6)
1. a kind of visual detection device of air injection machine compression system, it is characterised in that: the device noumenon including tubulose
(1), for the measuring scale of the aluminium alloy height in the centre bore of measuring device ontology, be mounted on the bracket of device noumenon top surface
(2) and reflective mirror rack-mount and that reflection angle can be adjusted (3)；Described device ontology (1) can be mounted on casting machine
Stalk upper end and its centre bore can be connected to stalk (10), by the reflective mirror (3) it is observed that in device noumenon
Aluminium alloy situation in heart hole and in stalk；
Described device ontology (1) by ceramic tube (11), the electric heater (12) being wound on outside ceramic tube, be coated on ceramic tube and electricity plus
Refractory material layer (13) outside hot device and the shell (14) being coated on outside refractory material layer are constituted, and are provided on shell (14) and electricity
The terminal box (15) of heater (12) connection；
The measuring scale is one section of aluminium wire (20) with setting length, and the measurement portion quartile of the aluminium wire is in the center of device noumenon
In hole and lower end is flushed with the lower end of the centre bore of device noumenon, and the coupling part of the aluminium wire is located at the centre bore of device noumenon
Outside.
2. the visual detection device of air injection machine compression system according to claim 1, it is characterised in that: the dress
It sets ontology (1) top surface and is placed with the top cover (9) that can cover the centre bore of device noumenon (1), the upper surface of top cover (9) is provided with handle
Hand (91).
3. the visual detection device of air injection machine compression system according to claim 2, it is characterised in that: the dress
It sets ontology (1) and uses segmentation structure, the footstock (6) including pedestal (4) and the side of being mounted on the base, the side of the pedestal (4)
There are two wall lower edge is provided with ring flange (41), side wall top edge is symmetrical arranged pedestal connecting lugs (42), the pedestal (4)
Lower end surface be provided with the pedestal pit (43) that a circle is matched with the upper surface of the stalk (10), the pedestal (4)
Upper surface is provided with a circle base boss (44), and the side wall lower edge of the footstock (6) is arranged symmetrically, and there are two connect under footstock
Trunnion (62), the lower end surface of the footstock (6) are provided with the footstock pit that a circle can be matched with the base boss (44)
(63), the bracket (2) is mounted on the upper surface of footstock (6) close to edge, and the top cover (9) is placed on the upper of footstock (6)
In the middle part of end face.
4. the visual detection device of air injection machine compression system according to claim 3, it is characterised in that:
Described device ontology (1) further includes at least one middle base (5) being mounted between pedestal (4) and footstock (6), it is described in
Between the side wall top edge of seat (5) be symmetrical arranged that there are two connecting lugs (51), side wall lower edges in middle base to be symmetrically arranged with two
Connecting lugs (52) under a middle base, the lower end surface of the middle base (5) is provided with a circle can be with the base boss (44) phase
The middle base pit (53) of cooperation, the upper surface of the middle base (5), which is provided with a circle, to match with the footstock pit (63)
The middle base boss (54) of conjunction；
The middle base (5) is placed on pedestal (4), and base boss (44) is located in middle base pit (53) and midfeather the
One gasket (7), connecting lugs (52) are corresponding with pedestal connecting lugs (42) under middle base and fastening is bolted；It is described
Footstock (6) is placed on middle base (5), and middle base boss (54) is located in footstock pit (63) and the second gasket of midfeather
(8), connecting lugs (62) are corresponding with connecting lugs in middle base (51) under footstock and fastening is bolted.
5. the visual detection device of air injection machine compression system according to claim 4, it is characterised in that: the bottom
Seat (4), middle base (5), footstock (6) all by ceramic tube (11), the electric heater (12) being wound on outside ceramic tube, be coated on ceramic tube
It is constituted with the refractory material layer (13) outside electric heater and the shell (14) being coated on outside refractory material layer, shell is arranged on (14)
There is the terminal box (15) connecting with electric heater (12).
6. according to the visual detection device of air injection machine compression system described in claim 3 or 4 or 5, it is characterised in that:
The side wall top edge of the footstock (6) is arranged symmetrically, and there are two connecting lugs (61) on footstock, the interconnecting pieces of the aluminium wire (20)
Divide and is wrapped on one of footstock in connecting lugs (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810027615.1A CN108127100B (en) | 2018-01-11 | 2018-01-11 | A kind of visual detection device of air injection machine compression system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810027615.1A CN108127100B (en) | 2018-01-11 | 2018-01-11 | A kind of visual detection device of air injection machine compression system |
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| Publication Number | Publication Date |
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| CN108127100A CN108127100A (en) | 2018-06-08 |
| CN108127100B true CN108127100B (en) | 2019-10-08 |
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| CN201810027615.1A Active CN108127100B (en) | 2018-01-11 | 2018-01-11 | A kind of visual detection device of air injection machine compression system |
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| CN108380846B (en) * | 2018-03-21 | 2021-05-07 | 海纳川（滨州）轻量化汽车部件有限公司 | Riser tube leak test detection method and device |
| CN110421153A (en) * | 2019-08-14 | 2019-11-08 | 东风本田汽车有限公司 | It visualizes molten aluminum dumping system and its topples over method |
| CN113333715B (en) * | 2021-05-28 | 2022-11-04 | 重庆长安汽车股份有限公司 | Low-pressure casting mold-filling pressure curve design method based on back pressure |
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