CN104399906B - Quantitative sand adding mechanism and quantitative sand adding method of core shooter - Google Patents
Quantitative sand adding mechanism and quantitative sand adding method of core shooter Download PDFInfo
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- CN104399906B CN104399906B CN201410786756.3A CN201410786756A CN104399906B CN 104399906 B CN104399906 B CN 104399906B CN 201410786756 A CN201410786756 A CN 201410786756A CN 104399906 B CN104399906 B CN 104399906B
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- sand
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- weight
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C19/00—Components or accessories for moulding machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C15/00—Moulding machines characterised by the compacting mechanism; Accessories therefor
- B22C15/23—Compacting by gas pressure or vacuum
- B22C15/24—Compacting by gas pressure or vacuum involving blowing devices in which the mould material is supplied in the form of loose particles
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- Mechanical Engineering (AREA)
- Weight Measurement For Supplying Or Discharging Of Specified Amounts Of Material (AREA)
Abstract
The invention discloses a quantitative sand adding mechanism of a core shooter. The core shooter comprises a lower rack and an upper rack located above the lower rack, wherein the lower rack is provided with a movable shooting head device. The quantitative sand adding mechanism comprises a sand storage hopper, a first sand adding valve, a vibrating motor and a quantitative hopper, wherein the sand storage hopper is mounted on the upper rack, the first sand adding valve is arranged at a sand outlet of the sand storage hopper, the vibrating motor is mounted on the outer wall of the sand storage hopper, the first sand adding valve is an adjustable valve, the quantitative hopper is connected onto the upper rack through a weighing component, a sand inlet of the quantitative hopper is connected with the sand outlet of the sand storage hopper through the first sand adding valve, a sand outlet of the quantitative hopper is provided with a second sand adding valve, the shooting head device is connected to the sand outlet of the quantitative hopper through the second sand adding valve when located in a sand adding position, and the sand adding process is not affected by the piling shape of molding sand and factors during valve closing. The invention further discloses a quantitative sand adding method of the core shooter adopting the quantitative sand adding mechanism.
Description
Technical field
The present invention relates to a kind of quantitative sand adding mechanism of core shooter, and in particular to a kind of quantitative sand adding mechanism of core making machine and
Quantitative sand adding method.
Background technology
In core making machine production process, for complex class core, it is desirable to which equipment penetrates that emery stick part is very harsh, and equipment penetrates sand work
Condition basic demand is consistent, and sand operating mode factor is penetrated in impact mainly shooting pressure and the storage sand situation penetrated in head, in core shooter
In work, equipment shooting pressure fluctuate aborning it is substantially less, therefore it is required that equipment is penetrated in head stores up sand amount in process of production
Keep basically identical.
In existing core making machine, equipment sand storage bin adopts ultrasound wave or Laser Measuring to penetrating in the quantitative sand adding mechanism of head, mainly
Away from switch, detecting devices is penetrated in head and stores up sand height, and when head storage sand is penetrated in switch detection is highly less than setting height, sand storage bin is common
Butterfly valve or gate valve are opened, and are started to head plus sand is penetrated, when adding sand highly to reach setting height, common butterfly valve or gate valve on sand storage bin
Close, stop to penetrating in head plus sand.
In existing core making machine, penetrated in head plus in sand height technology using switch detection, major defect has：
1. in penetrating head plus sand, molding sand piles up shape in head is penetrated does not have rule to sand storage bin, and ultrasound wave or laser ranging are opened
Closing the position of detection can not accurately react the sand wash height for penetrating reality in head, cause search switch under same position, penetrate
Sand amount is stored up in head different.
2. after range finding switch detects position, common gate valve or butterfly valve are closed on sand storage bin, in closing process, store up sand
Struggle against and added a part of molding sand again to penetrating head, because storing up sand amount on sand storage bin, the factor such as butterfly valve or gate valve shut-in time causes this portion
Tap sand weight is inconsistent.
Therefore, switched in penetrating head plus sand technology using ultrasound wave or laser ranging, quantitatively add sand to be not exactly accurate.
The content of the invention
The goal of the invention of the present invention is to provide a kind of quantitative sand adding mechanism of core shooter, it is therefore an objective to which that improves core shooter adds sand
Precision, reduces coremaking percent defective.
To achieve the above object of the invention, the technical solution used in the present invention is：A kind of quantitative sand adding mechanism of core shooter, institute
State core shooter and there is lower bearing bracket and the upper spider above the lower bearing bracket, the lower bearing bracket is provided with and movably penetrate head dress
Put, the quantitative sand adding mechanism includes sand storage bin and first plus sand valve, the sand storage bin is installed on the upper spider, described the
One adds sand valve to be arranged at the sand export of the sand storage bin, and described first adds sand valve to be adjustable valve, and the quantitative sand adding mechanism is also
Including measure hopper, the weighed element of the measure hopper is connected on the upper spider, described in the sand inlet Jing of the measure hopper
One adds sand valve to connect the sand export of the sand storage bin, and the sand export of the measure hopper is provided with second plus sand valve, described to penetrate head dress
Setting in plus during sand position, it is described penetrate described in a device Jing second plus sand valve be connected to the sand export of the measure hopper.
Whether the molding sand in measure hopper reaches the weight of setting to determine whether to stop plus sand, according to loading component
The aperture size of the valve port of the weight of the molding sand in the measure hopper for claiming, constantly regulate first plus sand valve, so that it is guaranteed that first adds
The process that the valve port of sand valve is closed will not produce impact to the total amount for adding sand.
In above-mentioned technical proposal, described first adds sand valve to be Pneumatic valve, and the loading component is weigh electronic scale or weight
Sensor, the quantitative sand adding mechanism also includes automaton, and the automaton includes controller and Pneumatic valve
Driver, the loading component connects the input of the controller, and the Pneumatic valve is connected by the gas control valve actuator
In the outfan of the controller.
In above-mentioned technical proposal, described first adds sand valve to be electromagnetic valve, and the loading component is weigh electronic scale or weight
Sensor, the quantitative sand adding mechanism also includes automaton, and the automaton includes controller and electromagnetic valve
Driver, the loading component connects the input of the controller, and the electromagnetic valve is connected by the electromagnetic valve driver
In the outfan of the controller.
The present invention also provides another technical scheme：The quantitative sand adding method of a kind of core shooter, using above-mentioned quantitative
Sand adding mechanism, the molding sand in the measure hopper has a setting weight M, and described first adds the valve port of sand valve to have a maximum
Latus rectum DN, the quantitative sand adding method comprises the steps：
（1）Close described second plus sand valve, open the vibration motor and first plus sand valve of the sand storage bin, adjust described the
One adds the valve port of sand valve to sand latus rectum DN under maximum, adds molding sand, the loading component to weigh in real time described in the measure hopper
The weight of the molding sand in measure hopper；
（2）When the weight of the molding sand in the measure hopper reaches M1, adjust described first and add the valve port of sand valve to DN1,
Wherein, 1/2M≤M1<2/3M, 2/3DN<DN1≤4/5DN；
（3）When the weight of the molding sand in the measure hopper reaches M2, adjust described first and add the valve port of sand valve to DN2, its
In, 2/3M≤M2<3/4M, 1/3DN<DN2≤2/3DN；
（4）When the weight of the molding sand in the measure hopper reaches M3, adjust described first and add the valve port of sand valve to DN3, its
In, 3/4M≤M3<5/6M, 1/6DN<DN3≤1/3DN；
（5）When the weight of the molding sand in the measure hopper reaches the setting weight M, described first adds sand valve to close,
The vibration motor of the sand storage bin quits work；
（6）Described second plus sand valve are opened, is penetrated in a device plus molding sand to described.
Because above-mentioned technical proposal is used, the present invention has compared with prior art following advantages：
（1）The molding sand for entering incident head device is carried out using measure hopper weighing quantitatively, not by molding sand in the shape piled up
Affect；
（2）The feedback information being associated is formed with the latus rectum size of first plus the valve port of sand valve by the way that sand weight will be added,
Plus the sand later stage progressively closes first plus sand valve so that plus sand weight reduce because valve closing process factor impact.
Description of the drawings
Fig. 1 is the schematic diagram of the quantitative sand adding mechanism of core shooter disclosed by the invention.
Wherein, 11, lower bearing bracket；12nd, upper spider；2nd, a device is penetrated；31st, sand storage bin；32nd, first adds sand valve；33rd, electricity is shaken
Machine；34th, measure hopper；35th, loading component；36th, second adds sand valve.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described：
Embodiment one
Referring to Fig. 1, as shown in legend therein, a kind of quantitative sand adding mechanism of core shooter, the core shooter has lower machine
Frame 11 and the upper spider 12 positioned at the top of lower bearing bracket 11, lower bearing bracket 11 is provided with and movably penetrate a device 2, above-mentioned quantitatively to add sand
Mechanism includes sand storage bin 31, first plus sand valve 32 and vibration motor 33, and sand storage bin 31 is installed on upper spider 12, and first adds sand
Valve 32 is arranged at the sand export of sand storage bin 31, and vibration motor 33 is installed on the outer wall of sand storage bin 31, and first plus sand valve 32 are adjustable
Valve, above-mentioned quantitative sand adding mechanism also includes measure hopper 34, and the weighed element 35 of measure hopper 34 is connected on upper spider 12, quantitatively
The sand inlet Jing first plus sand valve 32 of bucket 34 connect the sand export of sand storage bin 31, and the sand export of measure hopper 34 is provided with second plus sand
Valve 36, penetrates a device 2 positioned at when adding sand position, penetrates the Jing second of a device 2 plus sand valve 36 is connected to the sand export of measure hopper 34.
First adds sand valve 32 to be Pneumatic valve, and loading component 35 is electronic scale of weighing, and above-mentioned quantitative sand adding mechanism is also included certainly
Dynamic control device, the automaton includes controller and gas control valve actuator, and above-mentioned electronic scale of weighing connects above-mentioned control
The input of device, above-mentioned Pneumatic valve is connected to the outfan of controller noted above by the gas control valve actuator.
Wherein loading component 35 can feed back signal to first plus sand valve 32, and adjustment first plus sand valve 32 open latus rectum, the
Two add sand valve 36 to be common Pneumatic valve.
A kind of quantitative sand adding method of core shooter is described below, using quantitative sand adding mechanism as above, in measure hopper 34
Molding sand has a setting weight M, and first adds the valve port of sand valve 32 to have a maximum diameter DN, above-mentioned quantitative sand adding method bag
Include following steps：
（1）Second plus sand valve 36 are closed, the vibration motor 33 of sand storage bin 31 is opened, is driven by controller noted above and Pneumatic valve
Dynamic device opens first plus sand valve 32, adjusts first and adds the valve port of sand valve 32 to sand latus rectum DN under maximum, and type is added in measure hopper 34
Sand, above-mentioned loading component weighs in real time the weight of the molding sand in measure hopper 34, and weighing results are transmitted to controller noted above；
（2）When the weight of the molding sand in the measure hopper 34 that loading component 35 claims reaches 1/2M, by controller noted above
With the valve port that gas control valve actuator regulation first adds sand valve 32 to 4/5DN；
（3）When the weight of the molding sand in the measure hopper 34 that loading component 35 claims reaches 2/3M, by controller noted above and
Gas control valve actuator adjust first plus sand valve 32 valve port to 2/3DN；
（4）When the weight of the molding sand in the measure hopper 34 that loading component 35 claims reaches 3/4M, by controller noted above and
Gas control valve actuator adjust first plus sand valve 32 valve port to 1/3DN；
（5）When the weight of the molding sand in the measure hopper 34 that loading component 35 claims reaches setting weight M, by above-mentioned control
Device processed and gas control valve actuator close first plus sand valve 32, and the vibration motor 33 of sand storage bin 31 quits work；
（6）Second plus sand valve 36 are opened, to penetrating in a device 2 molding sand is added.
Embodiment two
Remaining is identical with the embodiment one, and difference is that above-mentioned first adds sand valve for electromagnetic valve, above-mentioned unit of weighing
Part is weight sensor, above-mentioned automaton include controller, the first electromagnetic valve driver, the second electromagnetic driver and
Motor driver, above-mentioned weight sensor connects the input of controller noted above, and it is electric that above-mentioned first plus sand valve pass through above-mentioned first
Magnet valve driver is connected to the outfan of controller noted above, and above-mentioned second plus sand valve are connected by above-mentioned second electromagnetic valve driver
In the outfan of controller noted above, above-mentioned vibration motor is connected to the outfan of controller noted above by above-mentioned motor driver.
A kind of quantitative sand adding method of core shooter is described below, it is above-mentioned quantitative using quantitative sand adding mechanism as above
Sand adding method comprises the steps：
（1）Distinguished by controller noted above, motor driver, the first electromagnetic valve driver and the second electromagnetic valve driver
Above-mentioned second plus sand valve are closed, above-mentioned vibration motor and above-mentioned first plus sand valve is opened, first is adjusted and is added sand valve to maximum diameter
DN, adds molding sand, above-mentioned weight sensor to weigh the weight of the molding sand in above-mentioned measure hopper in real time and will tie in above-mentioned measure hopper
Fruit is transmitted to controller noted above；
（2）When the weight of the molding sand in the measure hopper that above-mentioned loading component claims reaches 13/24M, by above-mentioned control
Device and the first electromagnetic valve driver adjust first plus sand valve valve port to 23/30DN；
（3）When the weight of the molding sand in the measure hopper that above-mentioned loading component claims reaches 25/36M, by controller noted above
With the valve port that the first electromagnetic valve driver regulation first adds sand valve to 5/9DN；
（4）When the weight of the molding sand in the measure hopper that above-mentioned loading component claims reaches 28/36M, by controller noted above
With the valve port that the first electromagnetic valve driver regulation first adds sand valve to 5/18DN；
（5）When the weight of the molding sand in the measure hopper that above-mentioned loading component claims reaches setting weight M, by above-mentioned control
Device processed and the first electromagnetic valve driver and motor driver close respectively the vibrations electricity of above-mentioned first plus sand valve and above-mentioned sand storage bin
Machine；
（6）Second plus sand valve are opened by controller noted above and the second electromagnetic valve driver, to penetrating in a device molding sand is added.
Embodiment three
Remaining is identical with the embodiment one, and difference is that above-mentioned quantitative sand adding method comprises the steps：
（1）Above-mentioned second plus sand valve are closed, the vibration motor of above-mentioned sand storage bin is opened, by controller noted above and Pneumatic valve
Driver opens above-mentioned first plus sand valve, adjust above-mentioned first plus sand valve valve port to sand latus rectum DN under maximum, to above-mentioned quantitative
Add molding sand in bucket, above-mentioned loading component weighs in real time the weight of the molding sand in measure hopper, and weighing results are transmitted to above-mentioned control
Device processed；
（2）When the weight of the molding sand in the above-mentioned measure hopper that above-mentioned loading component claims reaches 15/24M, by above-mentioned
Controller and gas control valve actuator adjust above-mentioned first plus sand valve valve port to 21/30DN；
（3）When the weight of the molding sand in the above-mentioned measure hopper that above-mentioned loading component claims reaches 27/36M, by above-mentioned control
Device processed and gas control valve actuator adjust above-mentioned first plus sand valve valve port to 4/9DN；
（4）When the weight of the molding sand in the above-mentioned measure hopper that above-mentioned loading component claims reaches 29/36M, by above-mentioned control
Device processed and gas control valve actuator adjust above-mentioned first plus sand valve valve port to 4/18DN；
（5）When the weight of the molding sand in the above-mentioned measure hopper that above-mentioned loading component claims reaches setting weight M, by upper
State controller and gas control valve actuator closes above-mentioned first plus sand valve, the vibration motor of above-mentioned sand storage bin quits work；
（6）Above-mentioned second plus sand valve are opened, is penetrated in a device plus molding sand to above-mentioned.
Claims (3)
1. the quantitative sand adding method of a kind of core shooter, using quantitative sand adding mechanism, the core shooter has lower bearing bracket and positioned at institute
The upper spider above lower bearing bracket is stated, the lower bearing bracket is provided with and movably penetrate a device, the quantitative sand adding mechanism includes storage
Sand hopper and first plus sand valve, the sand storage bin is installed on the upper spider, and described first adds sand valve to be arranged at the sand storage bin
Sand export, described first plus sand valve be adjustable valve, the quantitative sand adding mechanism also includes measure hopper, and the measure hopper Jing claims
Weight element is connected on the upper spider, and first adds sand valve to connect going out for the sand storage bin described in the sand inlet Jing of the measure hopper
Sand mouth, the sand export of the measure hopper is provided with second plus sand valve, and a device of penetrating is described to penetrate head dress positioned at when adding sand position
Put described in Jing second plus sand valve be connected to the sand export of the measure hopper；Molding sand in the measure hopper has a setting weight
M, described first adds the valve port of sand valve to have a maximum diameter DN, it is characterised in that comprise the steps：
（1）Described second plus sand valve are closed, the vibration motor and first plus sand valve of the sand storage bin is opened, described first is adjusted and is added
The valve port of sand valve adds molding sand, the loading component to weigh in real time described quantitative to sand latus rectum DN under maximum, in the measure hopper
The weight of the molding sand in bucket；
（2）When the weight of the molding sand in the measure hopper reaches M1, adjust described first and add the valve port of sand valve to DN1, wherein,
1/2M≤M1<2/3M, 2/3DN<DN1≤4/5DN；
（3）When the weight of the molding sand in the measure hopper reaches M2, adjust described first and add the valve port of sand valve to DN2, wherein, 2/
3M≤M2<3/4M, 1/3DN<DN2≤2/3DN；
（4）When the weight of the molding sand in the measure hopper reaches M3, adjust described first and add the valve port of sand valve to DN3, wherein, 3/
4M≤M3<5/6M, 1/6DN<DN3≤1/3DN；
（5）When the weight of the molding sand in the measure hopper reaches the setting weight M, described first adds sand valve to close, described
The vibration motor of sand storage bin quits work；
（6）Described second plus sand valve are opened, is penetrated in a device plus molding sand to described.
2. quantitative sand adding method according to claim 1, it is characterised in that described first plus sand valve be Pneumatic valve, it is described
Loading component is weigh electronic scale or weight sensor, and the quantitative sand adding mechanism also includes automaton, described automatic
Control device includes controller and gas control valve actuator, and the loading component connects the input of the controller, the gas control
Valve is connected to the outfan of the controller by the gas control valve actuator.
3. quantitative sand adding method according to claim 1, it is characterised in that described first plus sand valve be electromagnetic valve, it is described
Loading component is weigh electronic scale or weight sensor, and the quantitative sand adding mechanism also includes automaton, described automatic
Control device includes controller and electromagnetic valve driver, and the loading component connects the input of the controller, the electromagnetism
Valve is connected to the outfan of the controller by the electromagnetic valve driver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410786756.3A CN104399906B (en) | 2014-12-18 | 2014-12-18 | Quantitative sand adding mechanism and quantitative sand adding method of core shooter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410786756.3A CN104399906B (en) | 2014-12-18 | 2014-12-18 | Quantitative sand adding mechanism and quantitative sand adding method of core shooter |
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| Publication Number | Publication Date |
|---|---|
| CN104399906A CN104399906A (en) | 2015-03-11 |
| CN104399906B true CN104399906B (en) | 2017-04-12 |
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| CN201410786756.3A Active CN104399906B (en) | 2014-12-18 | 2014-12-18 | Quantitative sand adding mechanism and quantitative sand adding method of core shooter |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE112014005850B4 (en) * | 2014-12-18 | 2023-08-03 | Suzhou Mingzhi Technology Co., Ltd. | Sand addition dosing mechanism and sand addition dosing method for a core shooter |
| CN104923744A (en) * | 2015-06-25 | 2015-09-23 | 宁波众发机械模具有限公司 | Cold core machine |
| CN106955978B (en) * | 2016-01-12 | 2019-06-18 | 苏州苏铸成套装备制造有限公司 | A kind of automatic sand feeding device |
| CN106001408B (en) * | 2016-07-15 | 2018-02-27 | 黄山中发耐磨材料有限公司 | Quantitative cloth sand device |
| CN106270377A (en) * | 2016-10-18 | 2017-01-04 | 福州大学 | Foundry's moulding automatic sand adding device and method of work thereof |
| CN108607965A (en) * | 2018-08-21 | 2018-10-02 | 台州科睿自动化设备有限公司 | A kind of unmanned coremaking workshop |
| CN109129225B (en) * | 2018-08-27 | 2020-12-29 | 马鞍山市兴隆铸造有限公司 | Quantitative sand distributing device |
| CN111633185A (en) * | 2020-06-03 | 2020-09-08 | 湖南汉寿玉贤耐磨材料有限公司 | Guide device for sand shooting |
| CN113926985B (en) * | 2021-10-26 | 2023-07-28 | 共享智能铸造产业创新中心有限公司 | Sand-iron ratio online computing system and method |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2918731B2 (en) * | 1991-12-13 | 1999-07-12 | 旭テック株式会社 | Foundry sand measuring device |
| JP2925389B2 (en) * | 1991-12-13 | 1999-07-28 | 旭テック株式会社 | Mold manufacturing equipment |
| CN102166617A (en) * | 2010-11-25 | 2011-08-31 | 苏州苏铸成套装备制造有限公司 | Sand quantification device |
| CN202752537U (en) * | 2012-06-15 | 2013-02-27 | 苏州三信机器制造有限公司 | Sand feeding device of sand mixer |
| CN103447478A (en) * | 2013-01-15 | 2013-12-18 | 苏州苏铸成套装备制造有限公司 | Sand weighing device |
| CN103406498B (en) * | 2013-08-26 | 2015-12-02 | 苏州明志科技有限公司 | A kind of core machine ration adds sand method and device |
| CN204413074U (en) * | 2014-12-18 | 2015-06-24 | 苏州明志科技有限公司 | A kind of quantitative Jia Sha mechanism of core shooter |
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2014
- 2014-12-18 CN CN201410786756.3A patent/CN104399906B/en active Active
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Address after: 215217, No. 1, No. 2 highway, Tongli Town, Wujiang District, Jiangsu, Suzhou Patentee after: Suzhou Mingzhi Technology Co., Ltd Address before: 215217, No. 1, No. 2 highway, Tongli Town, Wujiang District, Jiangsu, Suzhou Patentee before: SUZHOU MINGZHI TECHNOLOGY Co.,Ltd. |