CN209598150U - A kind of moulding machine is with penetrating sand system - Google Patents
A kind of moulding machine is with penetrating sand system Download PDFInfo
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- CN209598150U CN209598150U CN201920402428.7U CN201920402428U CN209598150U CN 209598150 U CN209598150 U CN 209598150U CN 201920402428 U CN201920402428 U CN 201920402428U CN 209598150 U CN209598150 U CN 209598150U
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- disk seal
- sand
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Abstract
The utility model discloses a kind of moulding machines with sand system is penetrated, and belongs to foundry machinery field.Including Sand jet valve and Sand jet valve control device, Sand jet valve includes valve body, and valve body is following structure carriers: closing pressure chamber, valve open and close control port, ring casing, outlet passageway, Sand jet valve gas outlet, sealing-plug enclosed construction, Sand jet valve air inlet including disk seal plug sliding cavity, disk seal plug, valve；Disk seal plug sliding cavity is equipped on the inner cavity top of valve body, disk seal plug slide fit is in disk seal plug sliding cavity, valve open and close control port is located at the top that valve closes pressure chamber, escape pipe is equipped in the lower section of disk seal plug sliding cavity, ring casing is formed between the outer wall of escape pipe and the internal chamber wall of valve body, ring casing is equipped with air inlet, and sealing-plug enclosed construction is equipped between ring casing and disk seal plug bottom；Sand jet valve control device includes solenoid valve controller, valve open and close control gas circuit, Sand jet valve control gas circuit.It has the characteristics that structure is simple and convenient to operate, is safe and reliable.
Description
Technical field
The utility model relates to foundry machinery fields.
Background technique
In casting industry field, vertical moulding machine or removable flask molding machine are needed high pressure gas before moulding by penetrating
Sand valve blows to the blasting unit for filling sand, and high pressure gas drives sand to be blown to sandbox in blasting unit, then starts to squeeze and make
Type.What Sand jet valve was generally selected is diaphragm valve.
But in actual use, diaphragm valve but has the following problems to be difficult to solve.
(1) due to by valve body lining technique and diaphragm manufacturing process limited, biggish valve body lining and it is biggish every
Film manufacture is difficult to realize, and common diaphragm valve latus rectum is generally under 76mm.Due to the size and valve latus rectum by gas flow
Size has direct relation, so can only use multiple diaphragm valves, this adds increased structures and dress if wanting to continue to increase ventilation flow rate
The complex mixed.
(2) since the diaphragm long-time of diaphragm valve is under dynamic stress and effects of strain, easily generation fatigue rupture, thus
There are the failure modes such as diaphragm crackle, cracking.If there are membrane ruptures, entire diaphragm valve is usually changed, this just needs first to tear open
Pipeline is unloaded, it is time-consuming and laborious.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of moulding machines with penetrating sand system, it have structure it is simple,
The features such as easy to operate, safe and reliable.
In order to solve the above technical problems, technical solution adopted in the utility model is:
A kind of moulding machine is with penetrating sand system, including Sand jet valve and Sand jet valve control device, Sand jet valve include valve body, and valve body is
The carrier of following structures: pressure chamber, valve open and close control port, ring are closed including disk seal plug sliding cavity, disk seal plug, valve
Room, outlet passageway, Sand jet valve gas outlet, sealing-plug enclosed construction, Sand jet valve air inlet and pressure relief；On the inner cavity of valve body
Portion is equipped with disk seal plug sliding cavity, and disk seal plug slide fit is located at disk seal portion beyond the Great Wall in disk seal plug sliding cavity
Sealing-plug sliding cavity formed valve close pressure chamber, valve open and close control port be located at valve closing pressure chamber top, it is close in disc type
The lower section of blocking sliding cavity is equipped with escape pipe, is equipped with gap between the outer wall of escape pipe and the internal chamber wall of valve body, escape pipe it is outer
The internal chamber wall of wall bottom and valve body is tightly connected, to form ring casing, ring casing between the outer wall of escape pipe and the internal chamber wall of valve body
Equipped with the Sand jet valve air inlet for being connect with gas source Q so that ring casing forms inlet channel, ring casing and disk seal plug bottom it
Between be equipped with sealing-plug enclosed construction, when so that disk seal plug sliding into disk seal plug sliding cavity bottom, disk seal plug bottom
Portion closes ring casing upper port, so that ring casing forms valve opening pressure room, the inner cavity of escape pipe forms outlet passageway, escape pipe
Bottom open end is Sand jet valve gas outlet, and pressure relief includes the outlet passageway exhaust outlet being connected to outlet passageway and for controlling
The pressure release control of outlet passageway and outlet passageway exhaust outlet on-off executes original part；Sand jet valve control device includes solenoid valve control
Device, valve open and close control gas circuit, Sand jet valve control gas circuit and the pressure release control device that element acts are executed for controlling pressure release control,
Valve open and close control gas circuit includes air inlet pipeline and gas exhaust piping, and air inlet pipeline successively includes gas source Q, bi-bit bi-pass by gas flow
The valve open and close control port of solenoid valve F1, Sand jet valve, gas exhaust piping successively include the valve open and close control of Sand jet valve by gas flow
Port, two-position two-way solenoid valve F2, atmosphere；It successively includes gas source Q, Sand jet valve air inlet by gas flow that Sand jet valve, which controls air pipe,
Mouth, Sand jet valve gas outlet and blasting unit.
The utility model further improvement lies in that:
Pressure relief includes piston sliding cavity, double-acting piston executing agency and exhaust pition, outlet passageway exhaust outlet
It is arranged in the cavity wall in the middle part of piston sliding cavity, for being communicated with the atmosphere, the inner end of piston sliding cavity is connected to outlet passageway, double
The outer end of piston sliding cavity, the piston rod end of double-acting piston executing agency and row is arranged in effect piston actuator
The connection of gas piston, exhaust pition are vented in piston sliding cavity by outlet passageway under the drive of double-acting piston executing agency
Mouthful side slide into the other side of outlet passageway exhaust outlet, thus control the connection of outlet passageway and outlet passageway exhaust outlet with
It disconnects, double-acting piston executing agency and exhaust pition connected to it constitute pressure release control and execute original part, pressure release control dress
It is set to pressure release control gas circuit, two ports of gas source Q and double-acting piston executing agency are controlled by two-position five-way valve F3
Connected state, so that double-acting piston executing agency be made to act.
In Sand jet valve control air pipe, gas bag C is equipped between gas source Q and Sand jet valve air inlet.
Two gas outlets of two-position five-way valve F3 pass through one-way throttle valve F4 and double-acting piston executing agency respectively
Two port connections.
The beneficial effects of adopting the technical scheme are that
The utility model valve wide open when penetrating sand according to Sand jet valve, penetrating sand stopping late gate rear end does not have (opposite) air pressure
Work characteristics design and produce, the present apparatus use following structures: the lower section of disk seal plug sliding cavity be equipped with escape pipe, outlet
Gap is equipped between the outer wall of pipe and the internal chamber wall of valve body, the outer wall bottom of escape pipe and the internal chamber wall of valve body are tightly connected, from
And ring casing is formed between the outer wall of escape pipe and the internal chamber wall of valve body, ring casing is equipped with the Sand jet valve air inlet for connecting with gas source Q
Mouthful, so that ring casing forms inlet channel, sealing-plug enclosed construction is equipped between ring casing and disk seal plug bottom, so that disc type is close
When blocking slides into disk seal plug sliding cavity bottom, ring casing upper port is closed in disk seal plug bottom, so that ring casing is formed
Valve opening pressure room.Since valve closes the upper surface that the air pressure for closing valve in pressure chamber all acts on disk seal plug,
And the air pressure for opening valve in valve opening pressure room only acts on disk seal plug corresponding to valve opening pressure room (ring casing)
Lower surface, the forced area on disk seal surface beyond the Great Wall is much larger than the forced area below disk seal plug, according to gas pressure
Formula F=p × S, therefore the gas source of control valve movement uses the gas source of uniform pressure with the gas source for penetrating sand, valve also holds very much
Easy quick closedown, after valve closes pressure chamber's pressure release, since valve opening pressure room is equipped with the Sand jet valve for connecting with gas source Q
Air inlet, disk seal plug can be jacked up upwards disk seal plug using the bleed pressure being filled in ring casing, make gas by valve
Cracking pressure room (inlet channel) top enters outlet passageway and is discharged by Sand jet valve gas outlet, so that valve be made to be in open shape
State.Unlatching to valve is completed using the gas source for penetrating sand, makes inlet channel while being used as valve opening pressure room, to eliminate
The valve opening pressure room of double acting regulating valve in the prior art, simultaneously because being equipped with sealing between ring casing and disk seal plug bottom
Enclosed construction is filled in, uses disk seal plug as the piston of double acting regulating valve in the prior art, while being used as existing skill again
In art double acting regulating valve spool use, thus eliminate the valve rod being connect in prior art double acting regulating valve with piston and
Spool makes its structure be simple and convenient to operate, is safe and reliable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of Sand jet valve in Fig. 1.
In the accompanying drawings: 1. disk seal plugs；2. valve closes pressure chamber；3. valve open and close control port；4. escape pipe；5. valve
Body；6. ring casing；7. outlet passageway；8. Sand jet valve gas outlet；9. Sand jet valve air inlet；10. outlet passageway exhaust outlet；11. penetrating sand
Cylinder；12. piston sliding cavity；13. double-acting piston executing agency；14. exhaust pition.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
When carrying out penetrating sand work, the sand outlet of penetrating for penetrating blasting unit in sand system is connected to sandbox.
The embodiment as shown in Fig. 1~2 is it is found that the present embodiment includes Sand jet valve and Sand jet valve control device, Sand jet valve packet
Valve body 5 is included, valve body 5 is the carrier of following structures: including disk seal plug sliding cavity, disk seal plug 1 (by wear-resisting aluminium cylindrical body
Surface packet polyurethane composition), valve close pressure chamber 2, valve open and close control port 3, ring casing 6, outlet passageway 7, Sand jet valve gas outlet
8, sealing-plug enclosed construction, Sand jet valve air inlet 9 and pressure relief；It is slided on the inner cavity top of valve body 5 equipped with disk seal plug
Chamber, in disk seal plug sliding cavity, the sealing-plug sliding cavity positioned at 1 top of disk seal plug is formed 1 slide fit of disk seal plug
Valve closes pressure chamber 2, and valve open and close control port 3 is located at the top that valve closes pressure chamber, in the lower section of disk seal plug sliding cavity
Equipped with escape pipe 4, gap, the outer wall bottom of escape pipe 4 and valve body 5 are equipped between the outer wall of escape pipe 4 and the internal chamber wall of valve body 5
Internal chamber wall be tightly connected, thus between the outer wall of escape pipe 4 and the internal chamber wall of valve body 5 formed ring casing 6, ring casing 6 be equipped be used for
The Sand jet valve air inlet 9 connecting with gas source Q, so that ring casing 6 forms inlet channel, ring casing 6 and disk seal plug are set between 1 bottom
There is sealing-plug enclosed construction (being tightly connected on 1 bottom surface of disk seal plug and ring casing 6 along by gasket), so that disk seal plug
1 when sliding into disk seal plug sliding cavity bottom, and 6 upper port of ring casing is closed in 1 bottom of disk seal plug, so that ring casing 6 is formed
Valve opening pressure room, the inner cavity of escape pipe 4 form outlet passageway 7, and the bottom open end of escape pipe 4 is Sand jet valve gas outlet 8, is let out
Laminated structure includes the outlet passageway exhaust outlet 10 being connected to outlet passageway 7 and is vented for controlling outlet passageway 7 and outlet passageway
The pressure release control of 10 on-off of mouth executes original part；Sand jet valve control device includes solenoid valve controller, valve open and close control gas circuit, penetrates sand
Valve control gas circuit and the pressure release control device that element acts are executed for controlling pressure release control, valve open and close control gas circuit includes air inlet
Pipeline and gas exhaust piping, air inlet pipeline successively include by gas flow gas source Q, two-position two-way solenoid valve F1, Sand jet valve valve open
Control port 3 is closed, gas exhaust piping successively includes valve open and close control port 3, the two-position two-way solenoid valve of Sand jet valve by gas flow
F2, atmosphere；It successively includes gas source Q, Sand jet valve air inlet 9,8 and of Sand jet valve gas outlet by gas flow that Sand jet valve, which controls air pipe,
Blasting unit 11.
Pressure relief includes piston sliding cavity 12, double-acting piston executing agency 13 and exhaust pition 14, outlet passageway
Exhaust outlet 10 is arranged in the cavity wall at the middle part of piston sliding cavity 12, for being communicated with the atmosphere, the inner end of piston sliding cavity 12 with go out
Gas channel 7 is connected to, and the outer end of piston sliding cavity 12 is arranged in double-acting piston executing agency 13, and double-acting piston executes machine
The piston rod end of structure 13 is connect with exhaust pition 14, and exhaust pition is under the drive of double-acting piston executing agency 13 in work
The other side for sliding into outlet passageway exhaust outlet 10 in plug sliding cavity 12 by the side of outlet passageway exhaust outlet 10, to control out
The connection and disconnection in gas channel 7 and outlet passageway exhaust outlet 10, double-acting piston executing agency 13 and exhaust connected to it
Piston 14 constitutes pressure release control and executes original part, and pressure release control device is that pressure release controls gas circuit, is controlled by two-position five-way valve F3
Two port connected states of gas source Q and double-acting piston executing agency 13, to make double-acting piston executing agency 13
Movement.
In Sand jet valve control air pipe, gas bag C is equipped between gas source Q and Sand jet valve air inlet 9.
Two gas outlets of two-position five-way valve F3 pass through one-way throttle valve F4 and double-acting piston executing agency 13 respectively
Two ports connection.
Operation principle and process:
Solenoid valve controller belongs to program (timing) control in the present apparatus, from the prior art, for controlling each solenoid valve
Movement can carry out system configuration completion by mcu programming or PLC controller.
(1) original state, penetrate before sand moulding machine with penetrating sand system and be in Sand jet valve and close hold mode: Sand jet valve controls
Two-position two-way solenoid valve F1 is in the open state in device, and two-position two-way solenoid valve F2 is in close state, five-way valve F3 control
Double-acting piston executing agency 13 acts, and makes outlet passageway 7 and outlet passageway exhaust outlet 10 be in connected state, after valve relatively
Air pressure position zero, at this point, disk seal plug 1 is located at disk seal plug sliding cavity bottom, 1 bottom of disk seal plug is by 6 upper end of ring casing
Mouth closing, valve close pressure chamber 2 and keep being connected to gas source Q, and pressure acts on 1 upper surface of disk seal plug, and ring casing 6 (open by valve
Open pressure chamber) in make valve open air pressure only act on disk seal plug following table corresponding to valve opening pressure room (ring casing)
Face, the downward pressure in surface upwards pressure disk seal much larger than disk seal plug lower surface beyond the Great Wall, and disk seal stoppers pressure
In the upper edge of ring casing 6, sealing-plug enclosed construction closes 6 upper port of ring casing, and the gas for penetrating sand is kept off by disk seal plug
Firmly, Sand jet valve, which is in, closes hold mode.
(2) sand state is penetrated, moulding machine opens Sand jet valve with sand system is penetrated when penetrating sand: two two in Sand jet valve control device
Three-way electromagnetic valve F1 is closed, and two-position two-way solenoid valve F2 is opened, and five-way valve F3 controls double-acting piston executing agency 13 and acts, and is made
The closing of outlet passageway 7 and outlet passageway exhaust outlet 10, at this point, valve closes 2 pressure release of pressure chamber, disk seal plug is only opened by valve
The upward thrust of pressure chamber (ring casing) interior air pressure is opened, disk seal plug moves up, and penetrates the gas of sand by valve opening pressure room
(ring casing, inlet channel) top enters outlet passageway 7 and is discharged by Sand jet valve gas outlet 8, to keep valve in the open state.
(3) penetrating sand terminates, and penetrating after sand moulding machine closes Sand jet valve with sand system is penetrated: two two in Sand jet valve control device
Three-way electromagnetic valve F1 is opened, and two-position two-way solenoid valve F2 is closed, and keeps being connected to gas source Q at this point, valve closes pressure chamber 2, pressure is made
Used in 1 upper surface of disk seal plug, the gas for penetrating sand of 1 lower surface of disk seal plug is in flowing (pressure release) state, disc type
The downward pressure in 1 upper surface of sealing-plug upwards pressure much larger than disk seal plug lower surface, and disk seal plug 1 is in disk seal
Slide downward in sliding cavity is filled in, disk seal stoppers the upper edge for being pressed in ring casing 6, and sealing-plug enclosed construction is by 6 upper port of ring casing
It closes, the gas for penetrating sand is blocked by disk seal plug, and Sand jet valve, which is in, closes hold mode；Five-way valve F3 control later is double
It acts on piston actuator 13 to act, makes the connection of outlet passageway 7 Yu outlet passageway exhaust outlet 10, relative barometric pressure position after valve
Zero, so as to moulding machine follow-up work.
Claims (4)
1. a kind of moulding machine is with penetrating sand system, it is characterised in that: including Sand jet valve and Sand jet valve control device, the Sand jet valve packet
It includes valve body (5), the valve body (5) is the carrier of following structures: being closed including disk seal plug sliding cavity, disk seal plug (1), valve
Close pressure chamber (2), valve open and close control port (3), ring casing (6), outlet passageway (7), Sand jet valve gas outlet (8), sealing-plug closing
Structure, Sand jet valve air inlet (9) and pressure relief；Disk seal plug sliding cavity, institute are equipped on the inner cavity top of the valve body (5)
Disk seal plug (1) slide fit is stated in the disk seal plug sliding cavity, is located at the described close of disk seal plug (1) top
Blocking sliding cavity forms valve and closes pressure chamber (2), and the valve open and close control port (3) is located at the valve and closes the upper of pressure chamber
Side is equipped with escape pipe (4) in the lower section of the disk seal plug sliding cavity, the outer wall of the escape pipe (4) and the valve body (5)
Internal chamber wall between be equipped with gap, the internal chamber wall of the outer wall bottom of the escape pipe (4) and the valve body (5) is tightly connected, from
And make to form ring casing (6) between the outer wall of the escape pipe (4) and the internal chamber wall of the valve body (5), the ring casing (6), which is equipped with, to be used
In the Sand jet valve air inlet (9) being connect with gas source Q, so that the ring casing (6) forms inlet channel, the ring casing (6) and described
Sealing-plug enclosed construction is equipped between disk seal plug (1) bottom, so as to slide into the disc type close for the disk seal plug (1)
When blocking sliding cavity bottom, the ring casing (6) upper port is closed in disk seal plug (1) bottom, makes the ring casing (6) shape
At valve opening pressure room, the inner cavity of the escape pipe (4) is formed the outlet passageway (7), the bottom opening of the escape pipe (4)
End is Sand jet valve gas outlet (8), and the pressure relief includes the outlet passageway exhaust outlet (10) being connected to the outlet passageway (7)
Original part is executed with the pressure release control for controlling the outlet passageway (7) and outlet passageway exhaust outlet (10) on-off；It is described
Sand jet valve control device includes solenoid valve controller, valve open and close control gas circuit, Sand jet valve control gas circuit and for controlling pressure release control
System executes the pressure release control device of element acts, and the valve open and close control gas circuit includes air inlet pipeline and gas exhaust piping, it is described into
Air pipe successively includes the valve open and close control port (3) of gas source Q, two-position two-way solenoid valve F1, the Sand jet valve by gas flow,
The gas exhaust piping by gas flow successively include the valve open and close control port (3) of the Sand jet valve, two-position two-way solenoid valve F2,
Atmosphere；Sand jet valve control air pipe successively includes gas source Q by gas flow, the Sand jet valve air inlet (9), described penetrates sand
Valve air gate (8) and blasting unit (11).
2. a kind of moulding machine according to claim 1 is with penetrating sand system, it is characterised in that: the pressure relief includes piston
Sliding cavity (12), double-acting piston executing agency (13) and exhaust pition (14), outlet passageway exhaust outlet (10) setting
In the cavity wall in the middle part of the piston sliding cavity (12), for being communicated with the atmosphere, the inner end of the piston sliding cavity (12) and institute
Outlet passageway (7) connection is stated, the double-acting piston executing agency (13) is arranged in the outer end of the piston sliding cavity (12),
The piston rod end of the double-acting piston executing agency (13) is connect with the exhaust pition (14), and the exhaust pition exists
It is vented in the piston sliding cavity (12) by the outlet passageway under the drive of the double-acting piston executing agency (13)
The side of mouth (10) slides into the other side of the outlet passageway exhaust outlet (10), to control the outlet passageway (7) and institute
State the connection and disconnection of outlet passageway exhaust outlet (10), the double-acting piston executing agency (13) and connected to it described
Exhaust pition (14) constitutes the pressure release control and executes original part, and the pressure release control device is that pressure release controls gas circuit, passes through two
Position five-way valve F3 controls two port connected states of the gas source Q and the double-acting piston executing agency (13), thus
Act the double-acting piston executing agency (13).
3. a kind of moulding machine according to claim 1 or 2 is with penetrating sand system, it is characterised in that: controlled in the Sand jet valve
In air pipe, gas bag C is equipped between the gas source Q and the Sand jet valve air inlet (9).
4. a kind of moulding machine according to claim 3 is with penetrating sand system, it is characterised in that: the two of the two-position five-way valve F3
A gas outlet passes through one-way throttle valve F4 respectively and is connected to two ports of the double-acting piston executing agency (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920402428.7U CN209598150U (en) | 2019-03-28 | 2019-03-28 | A kind of moulding machine is with penetrating sand system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920402428.7U CN209598150U (en) | 2019-03-28 | 2019-03-28 | A kind of moulding machine is with penetrating sand system |
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| Publication Number | Publication Date |
|---|---|
| CN209598150U true CN209598150U (en) | 2019-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920402428.7U Active CN209598150U (en) | 2019-03-28 | 2019-03-28 | A kind of moulding machine is with penetrating sand system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109773140A (en) * | 2019-03-28 | 2019-05-21 | 彰武永红机械制造有限公司 | A kind of moulding machine is with penetrating sand system |
-
2019
- 2019-03-28 CN CN201920402428.7U patent/CN209598150U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109773140A (en) * | 2019-03-28 | 2019-05-21 | 彰武永红机械制造有限公司 | A kind of moulding machine is with penetrating sand system |
| CN109773140B (en) * | 2019-03-28 | 2024-06-04 | 彰武永红机械制造有限公司 | Sand shooting system for molding machine |
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