CN106270377A - Foundry's moulding automatic sand adding device and method of work thereof - Google Patents
Foundry's moulding automatic sand adding device and method of work thereof Download PDFInfo
- Publication number
- CN106270377A CN106270377A CN201610904690.2A CN201610904690A CN106270377A CN 106270377 A CN106270377 A CN 106270377A CN 201610904690 A CN201610904690 A CN 201610904690A CN 106270377 A CN106270377 A CN 106270377A
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- Prior art keywords
- sand
- contact rod
- bucket
- molding sand
- molding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
- B22C5/12—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose for filling flasks
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Devices For Molds (AREA)
Abstract
The present invention relates to a kind of foundry's moulding automatic sand adding device and method of work thereof, it is characterized in that: wherein foundry's moulding automatic sand adding device includes molding sand bucket and the measurement head being located in molding sand bucket, described measurement head is connected with control circuit, described molding sand bucket is arranged over adding sand hopper, the described sand hopper bottom that adds is provided with the sand block plate of lower sand export able to turn on or off, and the keying of described sand block plate is by control circuit control.Foundry of the present invention moulding automatic sand adding device simple in construction, reasonable in design, be conducive to saving artificial, improve efficiency.
Description
Technical field:
The present invention relates to a kind of foundry's moulding automatic sand adding device and method of work thereof.
Background technology:
In the foundry of mechanization moulding, if the sand that adds of molding sand bucket operates by hand, the labor intensity that can cause workman is big, and
Higher cost.
Summary of the invention:
It is an object of the invention to provide a kind of foundry's moulding automatic sand adding device and method of work, this foundry's moulding
Automatic sand adding device simple in construction, reasonable in design, be conducive to saving artificial, improve efficiency.
Foundry of the present invention moulding automatic sand adding device, it is characterised in that: include molding sand bucket and the survey being located in molding sand bucket
Amount head, described measurement head is connected with control circuit, and described molding sand bucket is arranged over adding sand hopper, described in add that sand hopper bottom is provided with can
Opening and closing the sand block plate of lower sand export, the keying of described sand block plate is by control circuit control.
Further, above-mentioned measurement head includes that two are erect the contact rod arranged, and is that the first contact rod and second is led respectively
Torch, the lower extreme point of described first contact rod is positioned at the top of molding sand bucket, and the lower extreme point of described second contact rod is positioned at molding sand bucket
Bottom.
Further, opening and closing of above-mentioned sand block plate is controlled by the electromagnetism cylinder in control circuit, when electromagnetism cylinder is energized,
Sand block plate is closed lower sand export by electromagnetism cylinder push-rod pushing tow；When electromagnetism cylinder power-off, sand block plate is at electromagnetism cylinder push-rod
Decline sand export under opening under contraction to shake out.
Further, above-mentioned control circuit includes the transformator electrically connected with city, and the outfan of described transformator connects the
One diode and the first electric capacity, described first electric capacity is parallel with a transistor, and the colelctor electrode of described transistor is connected in parallel company
The first relay coil connect and the one of the second diode is held jointly, the metal-back of the base stage connecting-type sand hopper of described transistor,
Described first relay coil and the second diode another jointly end connect the first contact rod and second contact rod, connecting the
The first normally opened contact of the first relay it is in series with on the circuit of two contact rods.
Further, the supply line of above-mentioned electromagnetism cylinder is in series with the second normally opened contact of the first relay.
Further, above-mentioned first diode model is 2CP21, and the model of the first electric capacity is 1000uF/50V, the two or two
Pole cast number is 2CP11, and transistor model is 3AD30.
Relay on many group automatic sand adding devices is parallel with one another.
The method of work of foundry of the present invention moulding automatic sand adding device, it is characterised in that: connecting the power supply measuring head
After, record the molding sand in molding sand bucket when being positioned at a high position, add sand hopper and in molding sand bucket, do not add sand；And the molding sand in recording molding sand bucket
When being positioned at low level, in molding sand bucket, added sand from adding sand hopper, add to time high-order, stop adding sand.
Further, above-mentioned measurement head includes that two are erect the contact rod arranged, and is that the first contact rod and second is led respectively
Torch, the lower extreme point of described first contact rod is positioned at the top of molding sand bucket, and the lower extreme point of described second contact rod is positioned at molding sand bucket
Bottom；Opening and closing of described sand block plate is controlled by the electromagnetism cylinder in control circuit, and when electromagnetism cylinder is energized, sand block plate is electric
Magnetic cylinder push-rod pushing tow closes lower sand export；When electromagnetism cylinder power-off, sand block plate is under the contraction of electromagnetism cylinder push-rod
Decline sand export under opening to shake out；Described control circuit includes the transformator electrically connected with city, and the outfan of described transformator is even
Connecing the first diode and the first electric capacity, described first electric capacity is parallel with a transistor, and the colelctor electrode of described transistor is connected to also
The first relay coil and the one of the second diode that connection connects is held jointly, the metal of the base stage connecting-type sand hopper of described transistor
Shell, another of described first relay coil and the second diode holds connection the first contact rod and the second contact rod jointly, even
Connect the first normally opened contact being in series with the first relay on the circuit of the second contact rod；Go here and there in the supply line of described electromagnetism cylinder
It is associated with the second normally opened contact of the first relay；During work, after switching on power, molding sand is less than the first contact rod in molding sand bucket
Lower extreme point position (B point position), now molding sand does not contacts with the first contact rod, and transistor base does not has electric current, transistor to be in
Cut-off state, relay J 1 is initial condition, and electromagnetism cylinder is failure to actuate, and sand block plate is located under the contraction of electromagnetism cylinder push-rod
In declining state, lower sand export is opened, and adds sand hopper and adds sand toward molding sand bucket；
Molding sand is conductor, and resistance is 10 kilo-ohms, when molding sand gradually adds to B point position, molding sand and the contact of the first contact rod, transistor
Base stage has electric current to pass through, and makes conducting state, and now, relay J 1 obtains electric adhesive, and J1 normally opened contact closes, and triggers electromagnetism
Cylinder action, sand block plate is closed lower sand export by electromagnetism cylinder push-rod pushing tow, is stopped putting sand；When the molding sand in molding sand bucket makes gradually
After using up, when molding sand position is higher than lower extreme point (the A point) of the second contact rod less than B point, owing to the normally opened contact of J1 is Guan Bi
, transistor base signal is supplied by the second contact rod, so still stopping putting sand；Only when molding sand position is less than A point,
Transistor base no signal is in again cut-off state, and J1 discharges, and sand block plate is put down by the push rod retracted for clearance of electromagnetism cylinder, continues
Add sand, repeat said process.
Foundry of the present invention moulding automatic sand adding device can determine to add sand according to the sand of different capabilities in molding sand bucket
Whether bucket notes sand to molding sand bucket, thus greatly facilitates use, is conducive to saving manually, improves efficiency.
Accompanying drawing illustrates:
Fig. 1 is the fundamental diagram of an embodiment of the present invention；
Fig. 2 is the fundamental diagram of another kind embodiment of the present invention；
Fig. 3 is that Fig. 2 contains labelled schematic diagram；
Fig. 4 is the operating circuit schematic diagram of electromagnetism cylinder；
Fig. 5 is many groups adds the fundamental diagram of sand device.
Detailed description of the invention:
Foundry of the present invention moulding automatic sand adding device includes molding sand bucket 1 and the measurement 2 being located in molding sand bucket 1, described measurement
2 are connected with control circuit 3, and described molding sand bucket is arranged over adding sand hopper 4, described in add sand hopper bottom be provided with able to turn on or off under shake out
The sand block plate 5 of mouth, the keying of described sand block plate 5 is controlled by control circuit 3.
Above-mentioned measurement 2 can be ultrasound wave or infrared ambulator, and it is arranged on the top of molding sand bucket 1, can measure type
In sand hopper 1, sand is away from its degree of depth, to judge sand quantity, feeds back a signal to controlling by ultrasound wave or infrared ambulator
Circuit 3, whether control circuit 3 opens and closes lower sand export, and above-mentioned is a kind of embodiment, provides below another kind of embodiment.
In this embodiment, above-mentioned measurement 2 includes that two are erect the contact rods arranged, and is the first contact rod 6 and the respectively
Two contact rods 7, the lower extreme point of described first contact rod 6 is positioned at the top of molding sand bucket, i.e. B point horizontal line in Fig. 1, and described second
The A point horizontal line that the lower extreme point of contact rod 7 is positioned in the bottom of molding sand bucket, i.e. Fig. 1.
Further, in order to reasonable in design, the keying of above-mentioned sand block plate is controlled by the electromagnetism cylinder 8 in control circuit,
During the energising of electromagnetism cylinder, sand block plate 5 is closed lower sand export 10 by electromagnetism cylinder push-rod 9 pushing tow；When electromagnetism cylinder power-off, sand block
Plate 5 declines sand export 10 under unlatching under the contraction of electromagnetism cylinder push-rod 9 and shakes out.
Further, in order to reasonable in design, above-mentioned control circuit 3 includes the transformator 11 electrically connected with city, described transformation
The outfan of device 11 connects the first diode 12 and the first electric capacity 13, and described first electric capacity 13 is parallel with a transistor 14, described
The colelctor electrode of transistor 14 is connected to the one of the first relay coil 15 and the second diode 16 being connected in parallel and jointly holds, described
The metal-back (molding sand bucket is electric conductor) of the base stage connecting-type sand hopper of transistor, described first relay coil the 15 and the 2nd 2 pole
Another of pipe 16 holds connection the first contact rod 6 and the second contact rod 7 jointly, is in series with on the circuit connecting the second contact rod 7
First normally opened contact 18 of the first relay.
Further, in order to reasonable in design, the supply line 21 of above-mentioned electromagnetism cylinder is in series with the of the first relay
Two normally opened contacts 19.
Further, above-mentioned first diode model is 2CP21, and the model of the first electric capacity is 1000uF/50V, the two or two
Pole cast number is 2CP11, and transistor model is 3AD30.
In order to realize the many groups of control adding sand device in foundry, the normally closed of relay on many group automatic sand adding devices is touched
Point 20 is parallel with one another.
The method of work of foundry of the present invention moulding automatic sand adding device, after connecting the power supply measuring head, records molding sand
When molding sand in bucket is positioned at a high position, adds sand hopper and in molding sand bucket, do not add sand；And the molding sand in recording molding sand bucket is when being positioned at low level,
In molding sand bucket, added sand from adding sand hopper, add to time high-order, stop adding sand.
Further, above-mentioned measurement head includes that two are erect the contact rod arranged, and is that the first contact rod and second is led respectively
Torch, the lower extreme point of described first contact rod is positioned at the top of molding sand bucket, and the lower extreme point of described second contact rod is positioned at molding sand bucket
Bottom；Opening and closing of described sand block plate is controlled by the electromagnetism cylinder in control circuit, and when electromagnetism cylinder is energized, sand block plate is electric
Magnetic cylinder push-rod pushing tow closes lower sand export；When electromagnetism cylinder power-off, sand block plate is under the contraction of electromagnetism cylinder push-rod
Decline sand export under opening to shake out；Described control circuit includes the transformator electrically connected with city, and the outfan of described transformator is even
Connecing the first diode and the first electric capacity, described first electric capacity is parallel with a transistor, and the colelctor electrode of described transistor is connected to also
The first relay coil and the one of the second diode that connection connects is held jointly, the metal of the base stage connecting-type sand hopper of described transistor
Shell, another of described first relay coil and the second diode holds connection the first contact rod and the second contact rod jointly, even
Connect the first normally opened contact being in series with the first relay on the circuit of the second contact rod；Go here and there in the supply line of described electromagnetism cylinder
It is associated with the second normally opened contact of the first relay；During work, after switching on power, molding sand is less than the first contact rod in molding sand bucket
Lower extreme point position (B point position), now molding sand does not contacts with the first contact rod, and transistor base does not has electric current, transistor to be in
Cut-off state, relay J 1 is initial condition, and electromagnetism cylinder is failure to actuate, and sand block plate is located under the contraction of electromagnetism cylinder push-rod
In declining state, lower sand export is opened, and adds sand hopper and adds sand toward molding sand bucket；
Molding sand is conductor, and resistance is 10 kilo-ohms, when molding sand gradually adds to B point position, molding sand and the contact of the first contact rod, transistor
Base stage has electric current to pass through, and makes conducting state, and now, relay J 1 obtains electric adhesive, and J1 normally opened contact closes, and triggers electromagnetism
Cylinder action, sand block plate is closed lower sand export by electromagnetism cylinder push-rod pushing tow, is stopped putting sand；When the molding sand in molding sand bucket makes gradually
After using up, when molding sand position is higher than lower extreme point (the A point) of the second contact rod less than B point, owing to the normally opened contact of J1 is Guan Bi
, transistor base signal is supplied by the second contact rod, so still stopping putting sand；Only when molding sand position is less than A point,
Transistor base no signal is in again cut-off state, and J1 discharges, and sand block plate is put down by the push rod retracted for clearance of electromagnetism cylinder, continues
Add sand, repeat said process.
Foundry of the present invention moulding automatic sand adding device can determine to add sand according to the sand of different capabilities in molding sand bucket
Whether bucket notes sand to molding sand bucket, thus greatly facilitates use, is conducive to saving manually, improves efficiency.
The foregoing is only presently preferred embodiments of the present invention, all accomplished change according to scope of the present invention patent and modify
All should belong to the covering scope of the present invention.
Claims (9)
1. foundry's moulding automatic sand adding device, it is characterised in that: include molding sand bucket and the measurement head being located in molding sand bucket,
Described measurement head is connected with control circuit, and described molding sand bucket is arranged over adding sand hopper, described in add sand hopper bottom and be provided with able to turn on or off
The sand block plate of lower sand export, the keying of described sand block plate is by control circuit control.
Foundry the most according to claim 1 moulding automatic sand adding device, it is characterised in that: described measurement head includes two
Erectting the contact rod arranged, be the first contact rod and the second contact rod respectively, the lower extreme point of described first contact rod is positioned at molding sand
The top of bucket, the lower extreme point of described second contact rod is positioned at the bottom of molding sand bucket.
Foundry the most according to claim 1 and 2 moulding automatic sand adding device, it is characterised in that: opening of described sand block plate
Close and controlled by the electromagnetism cylinder in control circuit, when electromagnetism cylinder is energized, under sand block plate is closed by electromagnetism cylinder push-rod pushing tow
Sand export；When electromagnetism cylinder power-off, sand block plate declines sand export under unlatching under the contraction of electromagnetism cylinder push-rod and shakes out.
Foundry the most according to claim 3 moulding automatic sand adding device, it is characterised in that: described control circuit include with
The transformator of city's electrical connection, the outfan of described transformator connects the first diode and the first electric capacity, and described first electric capacity is in parallel
Have the first relay coil that a transistor, the colelctor electrode of described transistor be connected to be connected in parallel and the second diode altogether
With end, the metal-back of the base stage connecting-type sand hopper of described transistor, another of described first relay coil and the second diode
Common end connects the first contact rod and the second contact rod, is in series with the of the first relay on the circuit connecting the second contact rod
One normally opened contact.
Foundry the most according to claim 4 moulding automatic sand adding device, it is characterised in that: the power supply of described electromagnetism cylinder
The second normally opened contact of the first relay it is in series with on circuit.
Foundry the most according to claim 5 moulding automatic sand adding device, it is characterised in that: described first diode model
For 2CP21, the model of the first electric capacity is 1000uF/50V, and the second diode model is 2CP11, and transistor model is 3AD30.
Foundry the most according to claim 6 moulding automatic sand adding device, it is characterised in that: on many group automatic sand adding devices
Relay is parallel with one another.
8. the method for work of a foundry as claimed in claim 1 moulding automatic sand adding device, it is characterised in that: survey connecting
After the power supply of amount head, record the molding sand in molding sand bucket when being positioned at a high position, add sand hopper and in molding sand bucket, do not add sand；And recording molding sand
When molding sand in bucket is positioned at low level, in molding sand bucket, added sand from adding sand hopper, add to time high-order, stop adding sand.
The method of work of foundry's moulding automatic sand adding device the most according to claim 8, it is characterised in that: described measurement head
Erect, including two, the contact rod arranged, be the first contact rod and the second contact rod respectively, the lower extreme point of described first contact rod
Being positioned at the top of molding sand bucket, the lower extreme point of described second contact rod is positioned at the bottom of molding sand bucket；The keying of described sand block plate is by controlling
Electromagnetism cylinder in circuit processed controls, and when electromagnetism cylinder is energized, sand block plate is closed lower sand export by electromagnetism cylinder push-rod pushing tow；
When electromagnetism cylinder power-off, sand block plate declines sand export under unlatching under the contraction of electromagnetism cylinder push-rod and shakes out；Described control
Circuit processed includes the transformator electrically connected with city, and the outfan of described transformator connects the first diode and the first electric capacity, described
First electric capacity is parallel with a transistor, and the colelctor electrode of described transistor is connected to the first relay coil and second being connected in parallel
The one of diode holds jointly, the metal-back of the base stage connecting-type sand hopper of described transistor, described first relay coil and second
Diode another jointly end connect the first contact rod and second contact rod, the circuit connecting the second contact rod is in series with the
First normally opened contact of one relay；Be in series with in the supply line of described electromagnetism cylinder the first relay second normally opened touch
Point；During work, after switching on power, molding sand is less than the first contact rod lower extreme point position (B point position) in molding sand bucket, now
Molding sand does not contacts with the first contact rod, and transistor base does not has electric current, transistor to be in cut-off state, and relay J 1 is original shape
State, electromagnetism cylinder is failure to actuate, and sand block plate is in decline state under the contraction of electromagnetism cylinder push-rod, and lower sand export is opened,
Add sand hopper and add sand toward molding sand bucket；Molding sand is conductor, and resistance is 10 kilo-ohms, when molding sand gradually adds to B point position, and molding sand and first is led
Torch contacts, and transistor base has electric current to pass through, makes conducting state, and now, relay J 1 obtains electric adhesive, and J1 is normally opened to be touched
Point Guan Bi, triggers electromagnetism cylinder action, and sand block plate is closed lower sand export by electromagnetism cylinder push-rod pushing tow, stops putting sand；Work as molding sand
After molding sand in bucket makes to use up gradually, when molding sand position is higher than lower extreme point (the A point) of the second contact rod less than B point, due to J1
Normally opened contact be Guan Bi, transistor base signal supply by the second contact rod, thus still stopping put sand；Only work as molding sand
When position is less than A point, transistor base no signal is in again cut-off state, and J1 discharges, and the push rod retracted for clearance of electromagnetism cylinder will
Sand block plate puts down, and continues to add sand, repeats said process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610904690.2A CN106270377A (en) | 2016-10-18 | 2016-10-18 | Foundry's moulding automatic sand adding device and method of work thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610904690.2A CN106270377A (en) | 2016-10-18 | 2016-10-18 | Foundry's moulding automatic sand adding device and method of work thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106270377A true CN106270377A (en) | 2017-01-04 |
Family
ID=57718708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610904690.2A Pending CN106270377A (en) | 2016-10-18 | 2016-10-18 | Foundry's moulding automatic sand adding device and method of work thereof |
Country Status (1)
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| CN (1) | CN106270377A (en) |
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| US20070209774A1 (en) * | 2006-03-08 | 2007-09-13 | Mazda Motor Corporation | Casting mold making system |
| CN201579372U (en) * | 2010-01-27 | 2010-09-15 | 铜陵祥云消防科技有限责任公司 | Sand hopper with automatic opening-closing device |
| CN202239495U (en) * | 2011-09-19 | 2012-05-30 | 滁州金诺实业有限公司 | Pre-filling sand quantifying device for lost foam casting |
| CN104399906A (en) * | 2014-12-18 | 2015-03-11 | 苏州明志科技有限公司 | Quantitative sand adding mechanism and quantitative sand adding method of core shooter |
| CN205375054U (en) * | 2016-01-15 | 2016-07-06 | 四川华索自动化信息工程有限公司 | Conducting medium position in storehouse automatic control switch |
| CN206153498U (en) * | 2016-10-18 | 2017-05-10 | 福州大学 | Automatic sand ware that adds of casting shop molding |
-
2016
- 2016-10-18 CN CN201610904690.2A patent/CN106270377A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2931521A (en) * | 1957-05-02 | 1960-04-05 | Hartley Controls Corp | Level control using alternating current through material of variable resistance |
| US20070209774A1 (en) * | 2006-03-08 | 2007-09-13 | Mazda Motor Corporation | Casting mold making system |
| CN201579372U (en) * | 2010-01-27 | 2010-09-15 | 铜陵祥云消防科技有限责任公司 | Sand hopper with automatic opening-closing device |
| CN202239495U (en) * | 2011-09-19 | 2012-05-30 | 滁州金诺实业有限公司 | Pre-filling sand quantifying device for lost foam casting |
| CN104399906A (en) * | 2014-12-18 | 2015-03-11 | 苏州明志科技有限公司 | Quantitative sand adding mechanism and quantitative sand adding method of core shooter |
| CN205375054U (en) * | 2016-01-15 | 2016-07-06 | 四川华索自动化信息工程有限公司 | Conducting medium position in storehouse automatic control switch |
| CN206153498U (en) * | 2016-10-18 | 2017-05-10 | 福州大学 | Automatic sand ware that adds of casting shop molding |
Non-Patent Citations (1)
| Title |
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| 朱安生: "电子自动加砂器", 《机械工人》 * |
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Application publication date: 20170104 |
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