CN207013689U - Penetrate sand cylinder - Google Patents

Penetrate sand cylinder Download PDF

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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
Authority
CN
China
Prior art keywords
sand
cylinder
gas outlet
control unit
valve rod
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
Application number
CN201720483864.2U
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Chinese (zh)
Inventor
李颖
冯贺著
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Sino German University of Applied Sciences
Tianjin Sino German Vocational Technical College
Original Assignee
Tianjin Sino German Vocational Technical College
Priority date (The priority date 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 date listed.)
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Publication date
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Priority to CN201720483864.2U priority Critical patent/CN207013689U/en
Application granted granted Critical
Publication of CN207013689U publication Critical patent/CN207013689U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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

Penetrate sand cylinder
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.
CN201720483864.2U 2017-05-04 2017-05-04 Penetrate sand cylinder Expired - Fee Related CN207013689U (en)

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

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CN201720483864.2U Expired - Fee Related CN207013689U (en) 2017-05-04 2017-05-04 Penetrate sand cylinder

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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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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