CN207013689U - Penetrate sand cylinder - Google Patents
Penetrate sand cylinder Download PDFInfo
- Publication number
- CN207013689U CN207013689U CN201720483864.2U CN201720483864U CN207013689U CN 207013689 U CN207013689 U CN 207013689U CN 201720483864 U CN201720483864 U CN 201720483864U CN 207013689 U CN207013689 U CN 207013689U
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- Prior art keywords
- sand
- cylinder
- gas outlet
- control unit
- valve rod
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Abstract
It the utility model is related to and cover sand casting field, and in particular to one kind penetrates sand cylinder, including valve body, air inlet, exhaust outlet, gas outlet, left control unit and right control unit；Described left control unit is including left control mouth, the valve rod connected with described left control mouth, the spring body being arranged on described valve rod and is arranged on described valve rod one end to control the exhaust end diaphragm of described gas outlet and described exhaust outlet break-make；Described right control unit include right control mouth, with it is described have that control mouth connects controlling the inlet end diaphragm that described air inlet connects with described gas outlet.The utility model designs unique sand of penetrating according to need of work and traditional electric control valve is replaced with cylinder, is not only able to avoid the replacing of electric control valve, and can make the flow increase for being passed through the compressed air of sand-shooting head, improves operating efficiency.
Description
Technical field
It the utility model is related to and cover sand casting field, and in particular to one kind penetrates sand cylinder.
Background technology
Sand-Faced Metal Mould Casting is to be covered with a thin layer of molding sand (also known as overlay film around metal mold (also known as swage) inner chamber
Sand) a kind of casting technique.It is two methods of permanent mold casting and the combination of shell moulded casting.The casting of acquisition has chi
Very little precision height, good mechanical property, save the advantages such as artificial, material and facility, production cost be low.Needed sand in casting process
Material is squeezed into sand-shooting head, generally all using the break-make of electric control valve control air-flow, but because electric control valve easily damages and gas
Stream flow is small, and efficiency is low.
Utility model content
The purpose of this utility model is that providing one kind in view of the shortcomings of the prior art penetrates sand cylinder.
To achieve the above object, the technical solution adopted in the utility model is：
One kind penetrates sand cylinder, including valve body, air inlet, exhaust outlet, gas outlet, left control unit and right control list
Member；Described left control unit include left control mouth, connected with described left control mouth valve rod, be arranged on described in valve rod on
Spring body and be arranged on described valve rod one end to control the exhaust of described gas outlet and described exhaust outlet break-make
Terminal membrane piece；Described right control unit includes right control mouth, connected with described right control mouth controlling described air inlet
The inlet end diaphragm that mouth connects with described gas outlet.
Described air inlet is arranged on the lower end of described valve body；Described exhaust outlet is arranged on the upper of described valve body
End；Described gas outlet is arranged on the described centre position of valve body and the center of described valve body be provided with it is described
The cavity of gas outlet connection.
Described exhaust outlet is connected with muffler.
Described muffler includes shell, the catch being arranged in described shell and is arranged on described catch and institute
Gas passage between the exhaust outlet stated.
One end of described exhaust end diaphragm is provided with sealing tabletting.
Compared with prior art, the beneficial effects of the utility model：
The utility model designs unique sand of penetrating according to need of work and traditional electric control valve is replaced with cylinder, is not only able to
The replacing of electric control valve is avoided, and the flow increase for being passed through the compressed air of sand-shooting head can be made, improves operating efficiency.
Brief description of the drawings
Fig. 1 is the schematic diagram of the present utility model for penetrating sand cylinder.
Embodiment
The utility model is described in detail below in conjunction with drawings and Examples.
Fig. 1 shows that one kind penetrates sand cylinder, including valve body 07, air inlet 03, exhaust outlet 04, gas outlet 01, left control list
First and right control unit；The valve rod that described left control unit includes left control mouth 051, connected with described left control mouth
054th, the spring body 053 that is arranged on described valve rod and described valve rod one end is arranged on to control described gas outlet
With the exhaust end diaphragm 055 of described exhaust outlet break-make；The position being connected on described valve rod with described left control mouth is set
There is double-action plate 056；Described double-action plate can drive described valve rod to do and move repeatedly.One end of described exhaust end diaphragm is set
It is equipped with sealing tabletting 052.Described right control unit includes right control mouth 022, connected with described right control mouth controlling
The inlet end diaphragm 021 that the described air inlet 03 of system connects with described gas outlet 01.Described air inlet is arranged on described
The lower end of valve body；Described exhaust outlet is arranged on the upper end of described valve body；Described gas outlet is arranged on described valve body
The centre position and center of described valve body is provided with the cavity connected with described gas outlet.Described exhaust outlet connection
There is muffler.Described muffler includes shell 063, the catch 062 being arranged in described shell and is arranged on described
Gas passage 061 between catch and described exhaust outlet.
Operation principle of the present utility model is:Air inlet 03 and air accumulator 15, which connect to be passed through, penetrates sand compressed air,
Usually 2-4kg/cm2, gas outlet 01 connects with sand-shooting head 23.When in penetrate sand state when, i.e., the logical compression of left control mouth 051 is empty
Gas, right control mouth 022 communicate with air.Now, after left control mouth 051 is passed through compressed air, double-action plate 056 is promoted with ovable valve stem
054 overcomes the effect of spring body 053 to move right, and is adjacent to by the deformation and valve body 07 of exhaust end diaphragm 055, so that outlet
Mouth 01 and big flow of QI being obstructed；Right control mouth 022 communicates with air, 2-4kg/cm on air inlet 032Compressed air act on air inlet
On terminal membrane piece 022, the deformation of inlet end diaphragm 022 moves right, now the 2-4kg/cm in air inlet 032Compressed air with going out
Gas port 01 communicates, you can the compressed air for providing air inlet 01 enters sand-shooting head, and sand action is penetrated in completion.When right control mouth 022
When being passed through compressed air, inlet end diaphragm 021 blocks air inlet 03 and the passage of gas outlet 01；Left control mouth 051 and big gas phase
Logical, spring body 053 hauls the deformation of exhaust end diaphragm 055 and is moved to the left, and gas outlet 01 is connected with exhaust outlet 04, sand is penetrated in non-
State.
The technical process of horizontal parting overlay film core making machine generally includes following step：
The unblock of mould and locking state：By unlocking cylinder by mo(u)ld top half mold-locked and unlocking, when unlocking cylinder is in
When retracting (stretching), mo(u)ld top half mould is unlocked into (locking).Released state should be in working condition, after sand mold machines
By mo(u)ld top half mold-locked, or after emergency stop switch is pressed, unlocking cylinder, which stretches out, is in locking state.
The open mold of mould：Die sinking and the mould assembling action that upper anvil swage has are completed by open mold cylinder.When cylinder is downward
When stretching out (retracting upwards), upper and lower pattern had into matched moulds (die sinking).
The forward-reverse of dolly：The mould on dolly is driven to realize the action that moves forward and backward by mobile cylinder.Work as movement
Dolly retreats (advance) during cylinder (left side) movement to the right；After dolly proceeds to position, it is desirable to stop 20 seconds, i.e. sand needs to solidify
20 seconds, the length of hardening time determined according to sand mold shape, size.
The action of sand block plate：In when penetrating sand state, sand block plate is to stretch out, and now seals sand storage bin, closes sand
Outlet.The action of sand block plate is driven by baffle plate cylinder, and when baffle plate cylinder stretches out (retracting), sand block plate, which is in, closes (opening)
State.
The lifting of unitary mould：The lifting of mould is completed by the action of lift cylinder.When lift cylinder stretches out, band
Dynamic unitary mould rises, and mould sand inlet is in close contact with sand ejection board, while compressed air is withstood under the baffle plate of baffle plate cylinder
End, seals sand storage bin, is prepared for the sand action of penetrating of next step.Penetrate after the completion of sand action, lift cylinder is retracted decline and is back to just
Beginning state.
Penetrate sand action：See it is above-mentioned penetrate sand cylinder principle part, repeat no more.
Sand mold is molded feeding：Sand mold after shaping, sand mold is ejected by upper and lower pattern by upper, type dnockout cylinder action
Tool.When upper (lower) type dnockout cylinder declines (rising), by sand mold and upper (lower) type mould.
The utility model devises a kind of horizontal parting according to the course of work of horizontal parting overlay film core making machine and covers sand coremaking
Machine pneumatic system, mainly it is made up of magnetic exchange valve of leading type, one-way throttle valve, cylinder and travel switch etc..The pneumatic system
There is the compressed air of two-way different pressures, the 1st tunnel is to provide 5-7kg/cm by the first pressure-reducing valve2Compressed air, pass through
Magnetic valve is used for driving each cylinder to act；2nd tunnel is that the second pressure-reducing valve provides 2-4kg/cm2Compressed air to air accumulator,
Complete to penetrate sand action under this operating pressure.The system is typical sequential control, is realized by Omron programmable controller
The manually and automatically control of sand mold shaping.
Lift cylinder acts：The upper of lift cylinder is controlled by 25 logical reversal valves of pilot-operated double electric control, outlet throttling
Lower action, when electromagnet obtains it is electric when (only need provide pulse signal), lift cylinder drives unitary mould to rise (declines), rising
(decline) speed is controlled by one-way throttle valve.When lift cylinder is in propradation, the compressed air of left withstands gear
The bottom of sand plate, so as to seal closing sand storage bin.If there is emergency power-off, lift cylinder always maintains original motion
State (when i.e. cylinder is in rising, continues to rise until to the end stopping).The initial position of lift cylinder is the position of lower end.
Baffle plate cylinder acts：By pilot-operated double electric control 25 logical reversal valves, outlet throttlings come a left side for controlling baffle plate cylinder
Right action, when electromagnet obtains it is electric when (only need provide pulse signal), baffle plate cylinder drives sand block plate mobile (to the left) to the right,
The movement velocity of sand block plate to the right (to the left) is controlled by one-way throttle valve.If there is emergency power-off, baffle plate cylinder
Always maintain original motion state (when i.e. cylinder is in stretching, continuing to stretch out until to the end stopping).Baffle plate cylinder it is initial
Position is to retract 2S1 positions.When penetrate sand cylinder be in penetrate sand state when, baffle plate cylinder should be at stretching state, i.e., sand block plate seals
Firmly sand storage bin；When not penetrating sand, baffle plate cylinder is in returns state forever, i.e. sand block plate leaves storage bin hopper.
Unlocking cylinder acts：The dynamic of unlocking cylinder is controlled by automatically controlled 25 logical reversal valves of pilot-operated type list, outlet throttling
Make, when electromagnet obtains it is electric when (need to provide lasting electric signal), unlocking cylinder retract by mo(u)ld top half mould open unlock.Work as electromagnet
During power-off, unlocking cylinder is stretched out mo(u)ld top half mold-locked.The initial position of unlocking cylinder is the position for stretching out position, i.e. locking die
Put.
Sand is penetrated to be acted with cylinder：Sand is penetrated with having been had been described in detail before the operation principle of cylinder, herein no longer
Repeat.Two control mouths that sand cylinder is penetrated in control are provided by automatically controlled 25 logical reversal valves of pilot-operated type list, outlet throttling.Work as electricity
When magnet obtains electric, compressed air enters the left side control mouth of incident sand cylinder, the exhaust of right side control mouth, now completes to penetrate sand action,
One-way throttle valve controls the speed into the action of incident sand.Hollow sand ejection board is cooled down by cooling device, played mould
The effect of cooling.When electromagnet powers off, sand action is penetrated in end.
Mo(u)ld top half, the action of mo(u)ld bottom half dnockout cylinder：Mo(u)ld top half dnockout cylinder and mo(u)ld bottom half dnockout cylinder pass through pilot-operated double electric control 2 respectively
Position 5 logical reversal valves, outlet throttling control the action of dnockout cylinder.When electromagnet obtains it is electric when (only need provide pulse signal),
Mo(u)ld top half dnockout cylinder (mo(u)ld bottom half dnockout cylinder stretch out downwards (on) motion, the sand mold of shaping is stripped.Confession when mo(u)ld top half dnockout is stripped
Atmospheric pressure is set by secondary decompression valve, and 2-5kg/cm2 is typically adjusted to according to different products.When electromagnet) it is electric when
(only needing to provide pulse signal), mo(u)ld top half dnockout cylinder (mo(u)ld bottom half dnockout cylinder) is retracted to upper (lower) motion, returns to initial position.
Die flip cylinder acts：Die flip is controlled by automatically controlled 25 logical reversal valves of pilot-operated type list, outlet throttling
The action of cylinder, when electromagnet obtains it is electric when (need to provide lasting electric signal), die flip is easy to repair by die flip cylinder
Mould.When electromagnet Y11 is powered off, die flip cylinder is back to original state.
Open mold cylinder acts：Open mold cylinder is controlled by 34 electric change valves of pilot-operated type, outlet throttling
Move up and down.When electromagnet obtains it is electric when (need provide persistent signal), open mold cylinder realizes downward matched moulds (die sinking upwards) fortune
Dynamic, the speed for closing (opening) mould is controlled by one-way throttle valve respectively.If there is emergency power-off, open mold cylinder is at once
It is parked in current location.The initial position of open mold cylinder is the position retracted.
Mobile cylinder acts：The left and right of mobile cylinder is controlled by 34 electric change valves of pilot-operated type, outlet throttling
Action.When electromagnet) it is electric when (need provide persistent signal), mobile cylinder drives the mould on dolly to realize to advance to the right
(retreating to the left) motion, the speed of advance (retrogressing) are controlled by one-way throttle valve respectively.If there is emergency power-off,
Mobile cylinder is parked in current location at once.The initial position of mobile cylinder is progressive position, i.e. the stroke position of the switch.Pass through hydraulic pressure
Buffer unit realizes the buffering to mobile cylinder.
Being simplified with cylinder by the sand of penetrating of designed, designed and penetrate the workflow of sand of the utility model development, improves sand
The filling capacity of type, the degree of packing are uniform；The cavitation level of core is improved, sand-mould quality is good；Can manual control sand mold wall thickness,
So as to mitigate the weight of raw material, cost is reduced；Product size precision is improved, shortens the machine-shaping time, greatly improves life
Produce efficiency.The tack time of core is greatly shortened using the binding agent of independent development, improves production efficiency；Therefore, the machine
The development of device and the popularization of model machine meet the long term growth planning of national energy-saving consumption reduction, drive the development of China's casting industry, have
Larger economic benefit and social benefit.
Above content is only preferred embodiment of the present utility model, for one of ordinary skill in the art, according to this reality
With new thought, there will be changes, this specification content should not be construed as in specific embodiments and applications
To limitation of the present utility model.
Claims (6)
1. one kind penetrates sand cylinder, it is characterised in that including valve body, air inlet, exhaust outlet, gas outlet, left control unit and
Right control unit；Described left control unit include left control mouth, connected with described left control mouth valve rod, be arranged on described in
Valve rod on spring body and be arranged on described valve rod one end to control described gas outlet to lead to described exhaust outlet
Disconnected exhaust end diaphragm；Described right control unit include right control mouth, connected with described right control mouth to control
The inlet end diaphragm that the air inlet stated connects with described gas outlet.
2. according to claim 1 penetrate sand cylinder, it is characterised in that described air inlet is arranged on described valve body
Lower end；Described exhaust outlet is arranged on the upper end of described valve body；Described gas outlet is arranged on the interposition of described valve body
Put and the center of described valve body is provided with the cavity connected with described gas outlet.
3. according to claim 2 penetrate sand cylinder, it is characterised in that described exhaust outlet is connected with muffler.
4. according to claim 3 penetrate sand cylinder, it is characterised in that described muffler includes shell, is arranged on institute
The catch in shell stated and the gas passage being arranged between described catch and described exhaust outlet.
5. according to claim 1 penetrate sand cylinder, it is characterised in that one end of described exhaust end diaphragm is provided with close
Seal tabletting.
6. according to claim 1 penetrate sand cylinder, it is characterised in that connects on described valve rod with described left control mouth
The position connect is provided with double-action plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720483864.2U CN207013689U (en) | 2017-05-04 | 2017-05-04 | Penetrate sand cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720483864.2U CN207013689U (en) | 2017-05-04 | 2017-05-04 | Penetrate sand cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207013689U true CN207013689U (en) | 2018-02-16 |
Family
ID=61460825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720483864.2U Expired - Fee Related CN207013689U (en) | 2017-05-04 | 2017-05-04 | Penetrate sand cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207013689U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108339949A (en) * | 2017-05-04 | 2018-07-31 | 天津中德应用技术大学 | Penetrate sand cylinder |
-
2017
- 2017-05-04 CN CN201720483864.2U patent/CN207013689U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108339949A (en) * | 2017-05-04 | 2018-07-31 | 天津中德应用技术大学 | Penetrate sand cylinder |
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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: 20180216 Termination date: 20200504 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |