CN107921525A - To the molding sand supply method and molding sand feedway of sand hopper supply molding sand - Google Patents
To the molding sand supply method and molding sand feedway of sand hopper supply molding sand Download PDFInfo
- Publication number
- CN107921525A CN107921525A CN201780002953.3A CN201780002953A CN107921525A CN 107921525 A CN107921525 A CN 107921525A CN 201780002953 A CN201780002953 A CN 201780002953A CN 107921525 A CN107921525 A CN 107921525A
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- China
- Prior art keywords
- sand
- molding sand
- hopper
- molding
- sand hopper
- 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.)
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Classifications
-
- 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
- B22C5/14—Equipment for storing or handling the dressed mould material, forming part of a plant for preparing such material
- B22C5/16—Equipment for storing or handling the dressed mould material, forming part of a plant for preparing such material with conveyors or other equipment for feeding the material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Devices For Molds (AREA)
Abstract
The present invention provides the mounting and adjusting of the detection unit for the molding sand (17) that can easily carry out sand hopper (11), and can be by carrying out the supply control of molding sand by the detection unit and the molding sand supply method and molding sand feedway that molding sand is supplied to sand hopper (11) of Waste reduction.The present invention's detects molding sand supply method from the amount of the molding sand in sand hopper (17) to sand hopper (11) supply molding sand and molding sand feedway by being arranged at the laser sensor (12) of sand hopper (11), when its testing result is less than the lower limit set, molding sand is supplied to sand hopper (11).
Description
Technical field
The present invention relates to the molding sand supply method and type to the molding sand sand hopper supply molding sand for being supplied in die molding machine
Sand feedway.
Background technology
After the molding sand supplied to die molding machine is mixed with using mixer sand is used in order to stockpile the molding sand temporarily
Bucket.
The detection unit of molding sand is provided with level switch as Patent Document 1 in the sand hopper.The level switch
For example to be set for the purpose of molding sand is supplied to sand hopper in the case that molding sand amount is less than ormal weight.However, level switch needs
Grittiness shape according to each client etc. adjusts installation site, is very troublesome operation.In addition, level switch is only known at it
The place of setting can not continuously grasp all of the sand amount in sand hopper and measure either with or without sand.Therefore, the sand amount according to sand hopper
Multiple level switches must be used in the case of being controlled, existing causes adjustment installation site further to become the problem of troublesome
Point.
The content of the invention
, can it is an object of the invention to provide the molding sand supply method and molding sand feedway to sand hopper supply molding sand
The mounting and adjusting of the detection unit of the molding sand of sand hopper is easily carried out, and can be grasped by the detection unit in sand hopper
All amounts of sand amount, carry out the supply control of molding sand, so as to Waste reduction.
Patent document 1:Japanese Unexamined Patent Application 57-195557 publications
The feature for the molding sand supply method of the invention to sand hopper supply molding sand completed in order to solve above-mentioned problem
It is, in the sand hopper for stockpiling the molding sand in order to be supplied to moulding machine and after being adjusted, by being arranged at swashing for sand hopper
Optical sensor, detects the amount of the molding sand in sand hopper, when the testing result of laser sensor is less than the lower limit set, to sand
Bucket supply molding sand.
It is used as the detection unit of the molding sand of sand hopper by using laser sensor, so as to continuously detect in sand hopper
Molding sand amount.Therefore, molding sand can just only be changed to sand hopper by changing the lower limit of the comparison other as its testing result
The supply conditions of interior supply, without the adjustment of the installation site of laser sensor.
It is preferred that being characterized in that to the molding sand supply method of sand hopper supply molding sand, detected by laser sensor in sand hopper
Molding sand amount, laser sensor testing result be less than set lower limit when, from moulding machine receive until work knot
Moulding incremental data untill the beam time, on the basis of the moulding incremental data untill knocking-off time below quantity
In the case of, supply the remaining required molding sand of moulding quantity to above-mentioned sand hopper.
Control in this way, can only by untill knocking-off time required sand amount be accumulated in sand hopper,
Terminate operation so as to not be left mixed molding sand.Thus, have the advantages that not consuming extra energy.
The molding sand feedway to sand hopper supply molding sand of the present invention is characterized in that possessing：Mixer, it is to moulding
The molding sand of machine supply is adjusted；Sand hopper, it is used to stockpile molding sand；Laser sensor, it is arranged at sand hopper；Ribbon conveyer,
It supplies molding sand based on the signal from laser sensor to sand hopper；And apron feeder, it is supplied from sand hopper to moulding machine
Molding sand.
By using laser sensor as detection unit, the molding sand amount of sand hopper can be grasped at any time.Therefore, it is possible to be not required to
The adjustment of installation site as level switch.
It is preferred that molding sand feedway is characterized in that possessing：Arithmetic unit, the arithmetic unit are controlled as follows：Logical
Laser sensor is crossed to detect the amount of the molding sand in sand hopper, the testing result of the laser sensor is less than the lower limit set
When, the moulding incremental data untill knocking-off time is received from moulding machine, in making untill knocking-off time
Type quantity number is to supply the molding sand of required amount to above-mentioned sand hopper.
Through this structure, can only by untill knocking-off time required sand amount be accumulated in sand hopper,
It can not be left mixed molding sand and terminate operation.Thus, have the advantages that not consuming extra energy.
It is preferred that being characterized in that to the molding sand feedway of sand hopper supply molding sand, multiple laser sensors of sand hopper are arranged at
In a manner of being arranged by the molding sand input port across the top plate for being arranged at sand hopper on the direct of travel of apron feeder, it is arranged at
Top plate.
By using the input port across molding sand on the direct of travel of apron feeder spread configuration laser sensing
Device detects the change of the state of the molding sand in the sand hopper produced due to the action of apron feeder, so as to more accurately
Detect the amount of the molding sand in sand hopper.
Additionally, it is preferred that being characterized in that to the molding sand feedway of sand hopper supply molding sand, sand hopper is provided with vibrating body.
In the case where sand hopper generates bridging, sand hopper vibration can be made to eliminate bridging by vibrating body.
As described above, in accordance with the invention it is possible to easily carry out the molding sand amount of sand hopper by using laser sensor
Detection.Therefore, supply conditions of the molding sand into sand hopper just can only be easily varied by change setting, it is not necessary to laser
The adjustment of the installation site of sensor.In addition, by using laser sensor, the supply control of the molding sand of very fine can be carried out
System, being capable of Waste reduction.
The application is based in Patent 2016-100471 filed in 19 days Mays in 2016 of Japan, and related content
Form a part for teachings herein.
In addition, the present invention can be more fully understood by the detailed description of this specification.But detailed description and spy
Fixed embodiment is only the preferred embodiment of the present invention, is described for illustration purposes only.To people in the art
For member, it can make various changes and change from the detailed description certainly.
Applicant is not intended any one in described embodiment offering to the public, in disclosed change, replaces
It is also under the theory of identity for the change and alternative solution that in scheme, may be not included on language in the range of claims
The part of the present invention.
In the record of this specification or claims, the use for noun and same deictic word, as long as
As long as not special instructions or based on context clearly do not negate should then be construed to comprising odd number and plural number both.
The use of any one example provided in this specification or exemplary term (such as " etc. ") is also only for easy
Illustrate the intent of the present invention, as long as not recording especially in detail in the claims, just the scope of the present invention is not applied and limited.
Brief description of the drawings
Fig. 1 is the master that the molding sand feedway of molding sand and the configuration status of moulding machine are supplied to sand hopper for representing the present invention
View.
Fig. 2 is the broken section main view for schematically showing the molding sand feedway to sand hopper supply molding sand of the present invention
Figure.
Fig. 3 is the A-A sectional views shown in Fig. 2, and (A) represents the situation that laser sensor is two, and (B) represents laser sensing
Device is the situation of four.
Fig. 4 is the partial cutaway for the variation for schematically showing the molding sand feedway to sand hopper supply molding sand of the present invention
Depending on front view.
Embodiment
Referring to the drawings, embodiments of the present invention are illustrated.
As shown in Fig. 1 and 2, in order to supply molding sand to moulding machine 15, set as interim the stockpiling place of molding sand
There is sand hopper 11.Molding sand is put into sand hopper 11 after being adjusted by mixer 16 by ribbon conveyer 13.Stockpile
Molding sand 17 in sand hopper 11 is by apron feeder 14, and the opportunity with the moulding based on moulding machine 15 is cooperatively from 11 row of sand hopper
Go out, put into moulding machine 15.The shape of sand hopper 11 is not particularly limited, but preferred levels cross sectional shape is circular or rectangle.Sand hopper
11 have top plate 19 on top, in center formed with molding sand input port 18 (with reference to Fig. 3).The molding sand put into from molding sand input port 18
In sand hopper 11 generally with central portion it is high and around low shape accumulation (with reference to Fig. 2).
As shown in Fig. 2, being provided with laser sensor 12 on the top of sand hopper 11, can measure from the position of laser sensor 12
Put the air line distance of the position to the surface of the molding sand 17 stockpiled in sand hopper 11.Molding sand can be inferred according to the measured value
Amount, therefore when laser sensor 12 be less than setting set in advance, to the transmission signal of mixer 16, from mixer 16 via
Ribbon conveyer 13 and to sand hopper 11 supply molding sand.In addition, laser sensor 12 can also include control system.
Fig. 3 shows the installation site of the laser sensor 12 of the device.The installation site of laser sensor 12 is configured to, every
Sand hopper 11 top plate 19 center set molding sand input port 18 and the direct of travel in apron feeder 14 downstream
(12a) and upstream side (12b) is respectively configured with one ((A) of Fig. 3) or is respectively configured with two ((B) of Fig. 3), and is given with belt
The direct of travel of material machine 14 is parallel.Laser sensor 12 is configured at the traveling side of apron feeder 14 across molding sand input port 18
To downstream and upstream side, thus, it is possible to be surveyed in the both sides on the vertex of the molding sand 17 across accumulation to the height of molding sand 17
Amount.Molding sand 17 is exported by apron feeder 14, therefore sometimes different in the downstream of outbound course and upstream side height.
In this case, also can be by being measured in both sides so as to improve the precision of the deduction of the amount of molding sand 17.In addition, laser sensing
Device 12 is not necessarily required to parallel with the direct of travel of apron feeder 14, can also be arranged on direct of travel.
It can also be formed as：In the case where laser sensor 12 is two and in the case of being four, swash all
When optical sensor 12 is less than setting set in advance, signal is sent to mixer 16, is carried out defeated via belt from mixer 16
Send machine 13 and the control of molding sand is supplied to sand hopper 11., can also be furthermore, it is possible to send signal when an only side is less than setting
The sum of measured value of all laser sensors 12 sends signal when being less than setting.
In addition, by using laser sensor 12, even if the molding sand amount in sand hopper 11 has reached the feelings of the upper limit amount of benchmark
When condition, abnormal upper limit amount, abnormal lower limit amount when, also can not be to increase device as level switch and tackled.
Therefore, it is possible to save cost, the trouble of mounting and adjusting that device is spent.
The example of Fig. 2, Fig. 3 are not limited to, such as in the case where laser sensor 12 is one, though measurement accuracy drops
It is low, but can also use.In this case position of the installation site preferably adjacent to molding sand input port 18.
Fig. 4 shows the variation of the present invention.Laser sensor 12 by the top plate for being arranged at sand hopper 11, to from laser
The air line distance of the position of sensor 12 to the position on the surface of the molding sand 17 stockpiled in sand hopper 11 measures, these are measured
It is worth to arithmetic unit 21 and sends.Arithmetic unit 21 for example carries out computing to the average value of measured value and infers molding sand amount.In addition, from
Moulding machine 15 is received to be sent to the moulding incremental data untill knocking-off time of arithmetic unit 21 from moulding machine 15.And
And sand hopper 11 is supplied less than in the case of being pre-set in the setting of arithmetic unit 21 in the molding sand amount for being judged as being inferred to
To molding sand.At this time, the moulding incremental data untill knocking-off time is the base value for being pre-set in arithmetic unit 21
In the case that amount is following, the required molding sand of remaining moulding untill knocking-off time is calculated, is supplied to sand hopper 11
The molding sand amount.It is more than the base value for being pre-set in arithmetic unit 21 in the moulding incremental data untill knocking-off time
In the case of amount, the molding sand of ormal weight is supplied into sand hopper 11.Herein, it is specified that amount is the molding sand for example for filling sand hopper 11
Amount.In addition, arithmetic unit 21 can also be contained in molding sand feedway, moulding machine, make molding unit etc. obtained by their combinations
Control device (not shown).
In addition, as Fig. 2, Fig. 4, by setting vibrating body 31 in the side of sand hopper 11, extension is generated in sand hopper 11
In the case of material, also bridging can be eliminated by giving vibration to the molding sand 17 in sand hopper 11 by vibrating body 31.
Like this in accordance with the invention it is possible to easily carry out the inspection of the molding sand amount of sand hopper by using laser sensor
Survey.Therefore, supply conditions of the molding sand into sand hopper just can only be easily varied by change setting, it is not necessary to laser sensing
The adjustment of the installation site of device.In addition, by using laser sensor, the supply control of fine molding sand can be carried out, can
Waste reduction.
Hereinafter, it is set shown in reference numeral main used in this specification and attached drawing.
Description of reference numerals
11... sand hopper；12nd, 12a, 12b... laser sensor；13... ribbon conveyer；14... apron feeder；
15... moulding machine；16... mixer；17... the molding sand in sand hopper；18... molding sand input port；19... top plate；21... computing
Device；31... vibrating body.
Claims (6)
- A kind of 1. molding sand supply method to sand hopper supply molding sand, it is characterised in thatIn the sand hopper for stockpiling the molding sand in order to be supplied to moulding machine and after being adjusted,By being arranged at the laser sensor of the sand hopper, the amount of the molding sand in the sand hopper is detected,When the testing result of the laser sensor is less than the lower limit set, molding sand is supplied to the sand hopper.
- 2. the molding sand supply method according to claim 1 to sand hopper supply molding sand, it is characterised in thatThe amount of the molding sand in the sand hopper is detected by the laser sensor,When the testing result of the laser sensor is less than the lower limit set, received from the moulding machine up to work is tied Moulding incremental data untill the beam time, on the basis of the moulding incremental data untill knocking-off time below quantity In the case of, supply the remaining required molding sand of moulding quantity to the sand hopper.
- 3. a kind of molding sand feedway to sand hopper supply molding sand, it is characterised in that possess：Mixer, it to the molding sand that moulding machine supplies to being adjusted；Sand hopper, it is used to stockpile the molding sand；Laser sensor, it is arranged at the sand hopper；Ribbon conveyer, it supplies molding sand based on the signal from the laser sensor to the sand hopper；AndApron feeder, it supplies the molding sand from the sand hopper to the moulding machine.
- 4. the molding sand feedway according to claim 3 to sand hopper supply molding sand, it is characterised in that be also equipped with：Arithmetic unit, the arithmetic unit are controlled as follows：The type in the sand hopper is being detected by the laser sensor The amount of sand, when the testing result of the laser sensor is less than the lower limit set, receives up to work is tied from the moulding machine Moulding incremental data untill the beam time, on the basis of the moulding incremental data untill knocking-off time below quantity In the case of, the amount of the remaining required molding sand of moulding quantity is calculated, the molding sand of required amount is supplied to the sand hopper.
- 5. the molding sand feedway to sand hopper supply molding sand according to claim 3 or 4, it is characterised in thatMultiple laser sensors of the sand hopper are arranged at the molding sand input port across the top plate for being arranged at the sand hopper and The mode arranged on the direct of travel of the apron feeder, is arranged at the top plate.
- 6. the molding sand feedway to sand hopper supply molding sand according to claim 3 or 4, it is characterised in thatThe sand hopper is provided with vibrating body.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016100471 | 2016-05-19 | ||
| JP2016-100471 | 2016-05-19 | ||
| PCT/JP2017/004914 WO2017199488A1 (en) | 2016-05-19 | 2017-02-10 | Method and device for supplying casting sand to sand hopper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107921525A true CN107921525A (en) | 2018-04-17 |
Family
ID=60325746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780002953.3A Pending CN107921525A (en) | 2016-05-19 | 2017-02-10 | To the molding sand supply method and molding sand feedway of sand hopper supply molding sand |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPWO2017199488A1 (en) |
| CN (1) | CN107921525A (en) |
| TW (1) | TW201741047A (en) |
| WO (1) | WO2017199488A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112893764B (en) * | 2021-01-21 | 2022-04-12 | 大连理工大学 | 3D printing coated silica sand for optical fiber laser processing and preparation method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5987950A (en) * | 1982-11-12 | 1984-05-21 | Sintokogio Ltd | Method for adjusting moisture in molding sand |
| JPH08178732A (en) * | 1994-12-27 | 1996-07-12 | Nittetsu Mining Co Ltd | Method and apparatus for detecting level using laser light |
| JPH09285842A (en) * | 1996-04-23 | 1997-11-04 | Toyota Motor Corp | Method and equipment for feeding molding sand of mold |
| JPH10113744A (en) * | 1996-10-11 | 1998-05-06 | Sintokogio Ltd | System for kneading and supplying molding sand |
| CN101032735A (en) * | 2006-03-08 | 2007-09-12 | 马自达汽车股份有限公司 | Casting mold making method and casting mold making system |
| JP2009183984A (en) * | 2008-02-07 | 2009-08-20 | Sintokogio Ltd | Molding equipment |
| CN102009138A (en) * | 2010-12-02 | 2011-04-13 | 苏州苏铸成套装备制造有限公司 | Sand material detection structure |
| CN102233405A (en) * | 2010-04-27 | 2011-11-09 | 于彦奇 | Digital resin sand regeneration system |
| CN103406498A (en) * | 2013-08-26 | 2013-11-27 | 苏州明志科技有限公司 | Core machine ration sand adding method and device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS48107817U (en) * | 1972-03-21 | 1973-12-13 | ||
| JPH1034282A (en) * | 1996-07-26 | 1998-02-10 | Aisin Takaoka Ltd | Method and device for supplying molding sand |
-
2017
- 2017-02-03 TW TW106103597A patent/TW201741047A/en unknown
- 2017-02-10 CN CN201780002953.3A patent/CN107921525A/en active Pending
- 2017-02-10 WO PCT/JP2017/004914 patent/WO2017199488A1/en active Application Filing
- 2017-02-10 JP JP2018518082A patent/JPWO2017199488A1/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5987950A (en) * | 1982-11-12 | 1984-05-21 | Sintokogio Ltd | Method for adjusting moisture in molding sand |
| JPH08178732A (en) * | 1994-12-27 | 1996-07-12 | Nittetsu Mining Co Ltd | Method and apparatus for detecting level using laser light |
| JPH09285842A (en) * | 1996-04-23 | 1997-11-04 | Toyota Motor Corp | Method and equipment for feeding molding sand of mold |
| JPH10113744A (en) * | 1996-10-11 | 1998-05-06 | Sintokogio Ltd | System for kneading and supplying molding sand |
| CN101032735A (en) * | 2006-03-08 | 2007-09-12 | 马自达汽车股份有限公司 | Casting mold making method and casting mold making system |
| JP2009183984A (en) * | 2008-02-07 | 2009-08-20 | Sintokogio Ltd | Molding equipment |
| CN102233405A (en) * | 2010-04-27 | 2011-11-09 | 于彦奇 | Digital resin sand regeneration system |
| CN102009138A (en) * | 2010-12-02 | 2011-04-13 | 苏州苏铸成套装备制造有限公司 | Sand material detection structure |
| CN103406498A (en) * | 2013-08-26 | 2013-11-27 | 苏州明志科技有限公司 | Core machine ration sand adding method and device |
Non-Patent Citations (1)
| Title |
|---|
| 南京机器制造学校: "《铸造机械》", 30 September 1979, 机械工业出版社 * |
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2017199488A1 (en) | 2019-03-14 |
| WO2017199488A1 (en) | 2017-11-23 |
| TW201741047A (en) | 2017-12-01 |
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