CN201259637Y - Caking agent-curing agent mixture ratio control instrument for casting - Google Patents
Caking agent-curing agent mixture ratio control instrument for casting Download PDFInfo
- Publication number
- CN201259637Y CN201259637Y CNU2008201324281U CN200820132428U CN201259637Y CN 201259637 Y CN201259637 Y CN 201259637Y CN U2008201324281 U CNU2008201324281 U CN U2008201324281U CN 200820132428 U CN200820132428 U CN 200820132428U CN 201259637 Y CN201259637 Y CN 201259637Y
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- hardening agent
- binder
- agent
- casting
- hardening
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- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
A binder-curing agent ratio controller used in casting comprises a PLC control unit, at least one curing agent tank, at least one binder tank and a plurality of metering pumps; the metering pumps comprise curing agent metering pumps connected with the output port of the curing agent tank, and binder metering pumps connected with the output port of the binder tank; the output end of each curing agent metering pump is communicated with the input port of a curing agent mixing pipe; the output port of the curing agent mixing pipe is connected with a curing agent feeding port of a sand mixer; the output end of each binder metering pump is connected with a binder feeding port of the sand mixer; a metering pump speed adjusting device electrically connected with each metering pumps is connected with the information output end of the PLC control unit; therefore, the binder-curing agent ratio controller can automatically adjust the feeding amount of the curing agent and the binder to reach the best ratio.
Description
Technical field
The utility model relates to a kind of casting and molding apparatus field, a kind of specifically binder for casting-hardening agent proportioning controller.
Background technology
At present, in casting and molding, coremaking process, (water glass is divided into sodium silicate and KP1 two classes, is commonly called as bubble flower alkali to use different hardening agent to cooperate self-hardening furan resin, alkalescent phenol resin, water glass usually.Sodium silicate is a sodium silicate aqueous solution, and molecular formula is Na
2OnSiO
2And K
2OnSiO
2KP1 is a potassium silicate aqueous solution, and molecular formula is K
2OnSiO
2) wait cementing agent to realize different process demand in casting and molding, the coremaking process.Such as, in self-hardening furan resin sand moulding, coremaking casting process, for keeping certain curing rate, summer, acid number hardening agent during spring and autumn is used was used high acid value hardening agent (A type) winter with hanging down acid number hardening agent (Type B) usually.With the different frequent hardening agent of changing of season and temperature, often utilize the hardening agent controller to adjust the addition that in puddle mixer, adds A type and two kinds of hardening agent of Type B automatically, for fear of in process of production to obtain the hardening agent of different acid numbers.Existing hardening agent controller is adjusted the addition of A type and two kinds of hardening agent of Type B mostly automatically according to the sand temperature, for example among the Chinese patent literature CN1274399, a kind of intelligent curative proportioning device is disclosed, the input end of its temperature controller connects temperature sensor, can be cured the dynamic proportioning of agent according to the temperature of sand.But in actual production process, the addition of hardening agent just guarantees one of them factor of sand-mould quality, and the addition of cementing agent has material impact equally to sand-mould quality, have only when the ratio of cementing agent and hardening agent reaches best, just can produce top-quality sand mold, and the adding of cementing agent mostly is definite value or several fixing gear in the prior art, and can not effectively control with the variation of sand temperature, room temperature etc., more can not make the ratio of cementing agent and hardening agent reach best, have a strong impact on the quality of production.
The utility model content
For this reason, technical problem to be solved in the utility model is to provide a kind of binder for casting that can make cementing agent and hardening agent arrive best proportioning-hardening agent proportioning controller.
For solving the problems of the technologies described above, the utility model is achieved through the following technical solutions:
A kind of binder for casting-hardening agent proportioning controller comprises PLC control module, at least one hardening agent jar, at least one cementing agent jar and a plurality of volume pump; Described volume pump comprises hardening agent volume pump that is connected with described hardening agent jar delivery outlet and the cementing agent volume pump that is connected with described cementing agent jar delivery outlet; Described hardening agent metering delivery side of pump all is communicated with the input port of a hardening agent mixing duct, the delivery outlet of described hardening agent mixing duct adds inlet with the hardening agent of puddle mixer and is connected, and described cementing agent metering delivery side of pump adds inlet with the cementing agent of described puddle mixer and is connected; The volume pump arrangements for speed regulation that are electrically connected with described each volume pump link to each other with the information output of described PLC control module.
Above-mentioned binder for casting-hardening agent proportioning controller, the signal input part of described PLC control module links to each other with sand temperature pick-up unit.
Above-mentioned binder for casting-hardening agent proportioning controller, described sand temperature pick-up unit comprises the sand temperature sensor, described sand temperature sensor links to each other with described PLC control module by the temperature microcontroller.
Above-mentioned binder for casting-hardening agent proportioning controller, the signal input part of described PLC control module also links to each other with ambient temperature detection device.
Above-mentioned binder for casting-hardening agent proportioning controller, described ambient temperature detection device comprises environment temperature sensor, described environment temperature sensor links to each other with described PLC control module by another described temperature microcontroller.
Above-mentioned binder for casting-hardening agent proportioning controller, along described puddle mixer sand direction of transfer, described hardening agent adds inlet and is positioned at the upstream that described cementing agent adds inlet.
Above-mentioned binder for casting-hardening agent proportioning controller, the signal input part of described PLC control module also is connected with pump detecting unit, Level Detection unit and puddle mixer detecting unit, the signal output part of described PLC control module links to each other with the interlocked control unit that is used to control described binder for casting-hardening agent proportioning controller and described puddle mixer synchronous operation, and the output terminal of described interlocked control unit links to each other with the puddle mixer control system with described volume pump arrangements for speed regulation.
Above-mentioned binder for casting-hardening agent proportioning controller, described hardening agent mixing duct and at least one place of described cementing agent metering delivery side of pump are connected with the pressure gas input channel.
Above-mentioned binder for casting-hardening agent proportioning controller, described cementing agent is a self-hardening furan resin.
Above-mentioned binder for casting-hardening agent proportioning controller, the quantity of described hardening agent jar is two or more.
Technique scheme of the present utility model has the following advantages compared to existing technology: 1. binder for casting-hardening agent proportioning controller of providing of the utility model, can control the addition of hardening agent and cementing agent simultaneously, make the proportioning of cementing agent and hardening agent reach optimum value, thereby guarantee sand-mould quality; 2. binder for casting-hardening agent proportioning controller of providing of the utility model, be main control signal further also with the sand temperature, with the environment temperature is the sub-control signal, taken into full account the influence of environment temperature to the sand temperature, can be from the addition of normal moveout correction, adjustment hardening agent and cementing agent, with the set time of assurance sand mold and core and stablizing of intensity, make sand-mould quality more secure; 3. binder for casting-hardening agent proportioning controller of providing of the utility model, delivery outlet position at hardening agent mixing duct and cementing agent output channel all is communicated with the pressure gas input channel, thereby add inlet and cementing agent adds inlet feeding pressurized air to the hardening agent of puddle mixer, to increase fluid pressure, make mulling more even.
Description of drawings
For the easier quilt of content of the present utility model is clearly understood, according to specific embodiment of the utility model also in conjunction with the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is a process flow diagram of the present utility model;
Fig. 2 is a principle schematic of the present utility model.
Reference numeral is expressed as among the figure: 1-hardening agent jar, 2-ball valve, 3-Y type filter, 4-volume pump, 5-counterbalance valve, 6-impact damper, 7-safety valve, 8-intelligent flow meter, 9-air-operated solenoid valve, 10-sand temperature sensor, 11-liquid level gauge, 12-cementing agent jar
Embodiment
As shown in Figure 1, binder for casting of the present utility model-hardening agent proportioning controller comprises two hardening agent jars 1, a cementing agent jar 12 and a liquid level gauge 11.Described hardening agent jar 1 is to be used to store the device of producing with hardening agent, and two described hardening agent jars 1 store A hardening agent (high acid value hardening agent) and B hardening agent (low acid number hardening agent) respectively.Described cementing agent jar 12 is used to store the device of producing with cementing agent, and described in the present embodiment cementing agent jar 12 is used to store self-hardening furan resin, can also use other cementing agents commonly used certainly in other embodiments.On each described hardening agent jar 1 and described cementing agent jar 12, be equipped with liquid level gauge 11, be used to show the liquid level level of hardening agent or cementing agent, avoid very few even use up the generation that causes the antiquated sand type owing to the cementing agent in hardening agent in the described hardening agent jar 1 or the described cementing agent jar 12.
Be provided with ball valve 2 on hardening agent output channel and cementing agent output channel, described ball valve 2 is connected with y-type filter 3, controls the on/off that two kinds of hardening agent and cementing agent are carried respectively by the On/Off of described ball valve 2, makes things convenient for overhaul of the equipments.Described y-type filter 3 is used for filtering the impurity of hardening agent and cementing agent, guarantee the quality of hardening agent and cementing agent, the output terminal of three described y-type filters 3 connects three volume pumps 4 respectively, be A volume pump, B volume pump and cementing agent volume pump, described A volume pump and described B volume pump are arranged at respectively on two described hardening agent output channels of A, B, and described cementing agent volume pump is arranged on the described cementing agent output channel.Described in the present embodiment A volume pump, described B volume pump and described cementing agent volume pump are diaphragm metering pump, and described volume pump 4 is used for the stroke according to different electrical power frequency and pump, comes output liquid in proportion.The output terminal of described volume pump 4 connects counterbalance valve 5, and described counterbalance valve 5 is used to keep the constant of described volume pump 4 top hole pressures, prevents that hardening agent or the cementing agent in the described output channel from refluxing.The output terminal of described counterbalance valve 5 is connected with impact damper 6, and described impact damper 6 is used to reduce the pulse that described volume pump 4 output liquids produce, and guarantees the stability of flow of output liquid.On the described hardening agent output channel and described cementing agent output channel between described counterbalance valve 5 and the described impact damper 6, the input end that all connects safety valve 7 by threeway, and the output terminal of described safety valve 7 connects back described hardening agent jar 1 and described cementing agent jar 12 respectively.When in excessive so that superpressure or described hardening agent output channel, the described cementing agent output channel air being arranged when the pressure in described volume pump 4, described hardening agent output channel or the described cementing agent output channel, described safety valve 7 can promptly discharge gas and unnecessary hardening agent or cementing agent are released back in described hardening agent jar 1 or the described cementing agent jar 12, so both prevented that described volume pump 4, output channel were damaged, eliminated potential safety hazard, made full use of efficient resource again, avoided waste.
Article two, the output terminal of described hardening agent output channel connects the hardening agent mixing duct by threeway, and the hardening agent that the delivery outlet of described hardening agent mixing duct connects puddle mixer adds inlet.The output terminal of described cementing agent output channel adds inlet with the cementing agent of described puddle mixer and directly is connected.Described hardening agent adds inlet and described cementing agent adds the direction of transfer setting (as Fig. 1 upward arrow shown in) of inlet along described puddle mixer sand, described hardening agent adds inlet and is positioned at the upstream that described cementing agent adds inlet, described cementing agent adds inlet and adds inlet setting separated by a distance with described hardening agent, described in the present embodiment cementing agent adds inlet, and to add the inlet distance of being separated by with described hardening agent be 16 centimetres, contacts with cementing agent to guarantee that sand contacts with hardening agent earlier again.Be provided with flow detector on described hardening agent mixing duct and described cementing agent output channel, described flow detector is used for measuring respectively the total flow of two kinds of hardening agent of A, B and cementing agent.Described in the present embodiment flow detector is a flowmeter, be intelligent flow meter 8 furtherly, described intelligent flow meter 8 connects the signal input part of described PLC control module, be connected with described upper managing computer by described PLC control module, thus make operating personnel can remote monitoring the operation conditions of binder for casting-hardening agent proportioning controller.The output terminal of two described intelligent flow meters 8 also is connected with solenoid valve respectively, described in the present embodiment solenoid valve is an air-operated solenoid valve 9, and then described hardening agent mixing duct and described cementing agent output channel are communicated with the pressure gas input channel, being used for described hardening agent to described puddle mixer adds inlet and described cementing agent and adds the position that enters the mouth and feed pressurized air respectively, to increase fluid pressure, make mulling more even, the on/off of described air-operated solenoid valve 9 is controlled by described PLC control module, to realize control, the adjusting to fluid pressure.
As shown in Figure 2, be principle schematic of the present utility model.Described binder for casting-hardening agent proportioning controller comprises PLC (Programmable logic Controller, Programmable Logic Controller) control module, the sand temperature pick-up unit, the ambient temperature detection device that is connected with the environment temperature detection signal input end of described PLC control module and the described flow detector that is connected with the metering signal input end of described PLC control module that link to each other with the sand temperature detection signal input end of described PLC control module.Described PLC control module is connected with upper managing computer by repeater for the control core, sends/receive various signals, the communication between realization and the described upper managing computer.Described repeater is a kind of device that connects network line, is used for two-way forwarding physical signalling between two network nodes.Described upper managing computer is that a kind of people of making can directly send the computing machine of controlling order and then the described binder for casting of management control-hardening agent proportioning controller operation, can show on its screen that various signals change, the general PC (Personal Computer, personal computer) that adopts.Described PLC control module also is connected with touch-screen, carries out control operation with the handled easily personnel.Described sand temperature pick-up unit comprises sand temperature sensor 10, and described sand temperature sensor 10 is used to measure the sand temperature, and then provides sand temperature signal to described PLC control module; Described ambient temperature detection device comprises environment temperature sensor, and described environment temperature sensor is used for measures ambient temperature, and then provides ambient temperature signal to described PLC control module.Described sand temperature sensor 10 links to each other with described PLC control module by the temperature microcontroller respectively with described environment temperature sensor.The signal input part of described PLC control module also is connected with pump detecting unit, Level Detection unit and puddle mixer detecting unit.Whether described pump detecting unit connects three described volume pumps 4 of control, be used to monitor described A volume pump, described B volume pump and described cementing agent volume pump and move normally; Described Level Detection unit connects the described liquid level gauge 11 of control, is used to monitor the liquid level level in described hardening agent jar 1 and the described cementing agent jar 12; Whether described puddle mixer detecting unit is connected with described puddle mixer, be used to monitor described puddle mixer and move normally.
The volume pump control signal output ends of described PLC control module is connected with described A volume pump, B volume pump and described cementing agent volume pump respectively by three volume pump arrangements for speed regulation, described volume pump arrangements for speed regulation are used for control, adjust described volume pump 4, and then the output quantity of regulating hardening agent and cementing agent, described in the present embodiment volume pump arrangements for speed regulation are frequency converter, be A pump frequency conversion device, B pump frequency conversion device and cementing agent pump frequency conversion device, described frequency converter is used to control, adjust the frequency of described volume pump 4.Certainly, in other embodiments, described volume pump arrangements for speed regulation also can be devices such as direct current modulator.Described A pump frequency conversion device, B pump frequency conversion device and described cementing agent pump frequency conversion device are connected respectively and control described A volume pump, B volume pump and described cementing agent volume pump, and then control the output quantity of two kinds of hardening agent of A, B and cementing agent respectively.
The control signal output ends of described PLC control module also is connected with the interlocked control unit, described interlocked control unit is used to control described binder for casting-hardening agent proportioning controller and described puddle mixer synchronous operation, described interlocked control unit can be relay or other circuit arrangements.The output terminal of described interlocked control unit links to each other with the puddle mixer control system with described A pump frequency conversion device, B pump frequency conversion device, described cementing agent pump frequency conversion device, and then the startup by the described A volume pump of described Frequency Converter Control, B volume pump and described cementing agent volume pump/stop, control the startup of described puddle mixer/stop by described puddle mixer control system, above-mentioned control can be adopted and cut off motor circuit or other control modes, makes that described binder for casting-hardening agent proportioning controller and described puddle mixer can synchronous operations.Its concrete control procedure is as follows:
Monitor described A volume pump respectively by described pump detecting unit and described puddle mixer detecting unit; the B volume pump; whether described cementing agent volume pump and described puddle mixer move normally; and whether be lower than warning value by the liquid level level in described hardening agent jar of described Level Detection unit monitors and the described cementing agent jar; in case find described volume pump operation exception; when described puddle mixer operation exception or described liquid level gauge show that the liquid in described hardening agent jar or the described cementing agent jar is very few and are lower than warning value; the said pump detecting unit; Level Detection unit or puddle mixer detecting unit just in time send to abnormal signal described PLC control module; send control signal by described PLC control module to described interlocked control unit; send control signal to described frequency converter and described puddle mixer control system respectively by described interlocked control unit again; make described binder for casting-hardening agent proportioning controller and described puddle mixer out of service and report to the police; in time fix a breakdown with alert and plant maintenance personnel; the hardening agent and the cementing agent that pump via described volume pump 4 can be back in described hardening agent jar 1 and the described cementing agent jar 12 by described safety valve 7 respectively; thereby can fully guarantee under the prerequisite of production safety; reduce the sand mold rejection rate; guarantee production efficiency, also saved resource.
The concrete course of work of the binder for casting that the utility model provides-hardening agent proportioning controller is as follows:
1, at first, in two described hardening agent jars 1, add A hardening agent and B hardening agent respectively, in described cementing agent jar 12, add self-hardening furan resin; Press the power switch on described binder for casting-hardening agent proportioning controller control panel, power light on the described control panel lights, the instantaneous delivery of the frequency of on described touch-screen demonstration shaked out temperature, environment temperature, described A pump frequency conversion device, B pump frequency conversion device and described cementing agent pump frequency conversion device, the instantaneous delivery of hardening agent and integrated flow, cementing agent and integrated flow and puddle mixer working time.
2, operate described touch-screen, make described binder for casting-hardening agent proportioning controller be in automatic running status.
3, according to the actual conditions of casting technique, select suitable curing rate by operating described touch-screen.
4, by the described touch-screen of operation, the addition of periodic measurement hardening agent and cementing agent is to guarantee the best proportioning of sand, cementing agent and three kinds of materials of hardening agent.
5, operate described touch-screen, according to the progress of producing, periodic check is also revised the casting technique curve.
6, operate described touch-screen, the operation ruuning situation of the described upper managing computer of on-line monitoring.
7, operate described touch-screen, the ruuning situation of the described binder for casting of on-line monitoring-hardening agent proportioning controller, regularly printout hardening agent consumption class month, year form.
8, behind the end-of-job, press described power switch, described binder for casting-hardening agent proportioning controller is shut down.
Because sand is exposed in the air, the sand temperature will inevitably be subjected to the influence of environment temperature, and sand temperature value will be tending towards consistent with environment temperature.And the environment temperature difference of Various Seasonal is bigger again, if only regulate the proportioning of hardening agent and cementing agent according to the sand temperature of measuring, is very inaccurate, can influence sand-mould quality.Described binder for casting provided by the utility model-hardening agent proportioning controller is a main control signal with the sand temperature, with the environment temperature is the sub-control signal, carry out data processing again, and itself and predefined casting technique curve compared, proofread and correct the deviation of hardening agent and cementing agent addition, with the proportioning value that makes it to reach best.Details are as follows for above-mentioned principle:
1. measure sand temperature T respectively by sand temperature sensor and environment temperature sensor
1With environment temperature T
2
2. with described sand temperature T
1With environment temperature T
2Be sent to the PLC control module, and according to formula: Δ T=T
1-T
2, calculate the warm changing value that shakes out;
3. determine hardening agent according to sand temperature changing value Δ T and add maximum deviation Δ Q and cementing agent adding maximum deviation Δ P, determine the relation of the actual addition of hardening agent and theoretical addition and maximum deviation Δ Q respectively by engineer testing, and the relation of the actual addition of cementing agent and theoretical addition and maximum deviation Δ P, finally determine the actual addition Q of two kinds of hardening agent of A, B and cementing agent again according to the casting technique curve
A, Q
BAnd P.
Described binder for casting provided by the utility model-hardening agent proportioning controller, under the control of system software, the PLC control module by scan round from temperature microcontroller that described PLC control module input end is connected obtain sand temperature T
1With environment temperature T
2Data-signal; Then according to above-mentioned principle, carry out data operation according to preset program and handle; Afterwards result and predefined casting technique curve are compared, thus the addition Q of definite two kinds of hardening agent of A, B and cementing agent
A, Q
BAnd P; Again by the PLC control module to the output terminal output control signal corresponding frequency of regulating described A volume pump, B volume pump and described cementing agent volume pump, thereby realize automatic adjustment to two kinds of hardening agent of A, B and cementing agent proportioning, and to the adjustment of two kinds of hardening agent of A, B and cementing agent input speed and flow, make two kinds of hardening agent of A, B and cementing agent reach best proportioning, guarantee the set time of sand mold, core and stablizing of intensity, guarantee product quality.
In other embodiments, the hardening agent of puddle mixer adds inlet and cementing agent, and to add the distance be separated by that enters the mouth can also be 10 centimetres or 20 centimetres, and its distance range is 10-20 centimetre.If this distance there is no need too greatly; If distance is too little, sand and hardening agent, cementing agent are come in contact simultaneously, cause sand-mould quality to be affected.Therefore this distance is had an effect with cementing agent as long as the assurance sand can contact with hardening agent earlier again.
In other embodiments, only the place in hardening agent mixing duct and cementing agent metering delivery side of pump is provided with flow detector, also can only be connected the pressure gas input channel at a wherein place of hardening agent mixing duct and cementing agent metering delivery side of pump.
Certainly in other embodiments, one or more hardening agent jars and cementing agent jar and corresponding frequency converter, volume pump can be set according to the kind of required hardening agent and cementing agent.
Certainly in other embodiments, can also reduce liquid pulse in the output channel, guarantee the stable of fluid flow, and need not to be provided with again impact damper, counterbalance valve etc. by using the double end volume pump.
Obviously, the foregoing description only is for example clearly is described, and is not the qualification to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all embodiments.And conspicuous variation of being extended out thus or change still are among the protection domain of the utility model creation.
Claims (9)
1. binder for casting-hardening agent proportioning controller is characterized in that: comprise PLC control module, at least one hardening agent jar, at least one cementing agent jar and a plurality of volume pump; Described volume pump comprises hardening agent volume pump that is connected with described hardening agent jar delivery outlet and the cementing agent volume pump that is connected with described cementing agent jar delivery outlet; Described hardening agent metering delivery side of pump all is communicated with the input port of a hardening agent mixing duct, the delivery outlet of described hardening agent mixing duct adds inlet with the hardening agent of puddle mixer and is connected, and described cementing agent metering delivery side of pump adds inlet with the cementing agent of described puddle mixer and is connected; The volume pump arrangements for speed regulation that are electrically connected with described each volume pump link to each other with the information output of described PLC control module.
2. binder for casting according to claim 1-hardening agent proportioning controller, it is characterized in that: the quantity of described hardening agent jar is at least two.
3. binder for casting according to claim 1-hardening agent proportioning controller is characterized in that: the signal input part of described PLC control module links to each other with sand temperature pick-up unit.
4. binder for casting according to claim 3-hardening agent proportioning controller is characterized in that: described sand temperature pick-up unit comprises the sand temperature sensor, and described sand temperature sensor links to each other with described PLC control module by the temperature microcontroller.
5. binder for casting according to claim 4-hardening agent proportioning controller, it is characterized in that: the signal input part of described PLC control module also links to each other with ambient temperature detection device.
6. binder for casting according to claim 5-hardening agent proportioning controller, it is characterized in that: described ambient temperature detection device comprises environment temperature sensor, and described environment temperature sensor links to each other with described PLC control module by another described temperature microcontroller.
7. according to the arbitrary described binder for casting of claim 1-6-hardening agent proportioning controller, it is characterized in that: the signal input part of described PLC control module also is connected with pump detecting unit, Level Detection unit and puddle mixer detecting unit, the signal output part of described PLC control module links to each other with the interlocked control unit that is used to control described binder for casting-hardening agent proportioning controller and described puddle mixer synchronous operation, and the output terminal of described interlocked control unit links to each other with the puddle mixer control system with described volume pump arrangements for speed regulation.
8. binder for casting according to claim 1-hardening agent proportioning controller is characterized in that: described hardening agent mixing duct and at least one place of described cementing agent metering delivery side of pump are connected with the pressure gas input channel.
9. according to the arbitrary described binder for casting of claim 1-6-hardening agent proportioning controller, it is characterized in that: described cementing agent is a self-hardening furan resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201324281U CN201259637Y (en) | 2007-12-29 | 2008-08-13 | Caking agent-curing agent mixture ratio control instrument for casting |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200720310875 | 2007-12-29 | ||
| CN200720310875.7 | 2007-12-29 | ||
| CNU2008201324281U CN201259637Y (en) | 2007-12-29 | 2008-08-13 | Caking agent-curing agent mixture ratio control instrument for casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201259637Y true CN201259637Y (en) | 2009-06-17 |
Family
ID=40596798
Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201273788U Expired - Lifetime CN201226107Y (en) | 2007-12-29 | 2008-07-28 | Automatic control device for firming agent |
| CNU2008201273754U Expired - Lifetime CN201223921Y (en) | 2007-12-29 | 2008-07-28 | Curing agent control instrument with buffer |
| CNU200820127374XU Expired - Lifetime CN201229502Y (en) | 2007-12-29 | 2008-07-28 | Curing agent control instrument having double end metering pump |
| CNU2008201273769U Expired - Lifetime CN201226108Y (en) | 2007-12-29 | 2008-07-28 | Automatic control instrument for firming agent |
| CNU2008201324281U Expired - Lifetime CN201259637Y (en) | 2007-12-29 | 2008-08-13 | Caking agent-curing agent mixture ratio control instrument for casting |
Family Applications Before (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201273788U Expired - Lifetime CN201226107Y (en) | 2007-12-29 | 2008-07-28 | Automatic control device for firming agent |
| CNU2008201273754U Expired - Lifetime CN201223921Y (en) | 2007-12-29 | 2008-07-28 | Curing agent control instrument with buffer |
| CNU200820127374XU Expired - Lifetime CN201229502Y (en) | 2007-12-29 | 2008-07-28 | Curing agent control instrument having double end metering pump |
| CNU2008201273769U Expired - Lifetime CN201226108Y (en) | 2007-12-29 | 2008-07-28 | Automatic control instrument for firming agent |
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| CN (5) | CN201226107Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107214295A (en) * | 2017-06-19 | 2017-09-29 | 宝得粉末注射成形（常熟）有限公司 | Self-hardening sand mixing device |
| CN108907068A (en) * | 2018-06-29 | 2018-11-30 | 宁夏共享化工有限公司 | It is a kind of for casting the phenolic resin high-temperature curing agent in 3D inkjet printing field |
| CN111069526A (en) * | 2019-12-05 | 2020-04-28 | 江苏吉鑫风能科技股份有限公司 | Energy-saving consumption-reducing automatic resin quantifying method and system |
| CN114812765A (en) * | 2022-04-13 | 2022-07-29 | 共享智能铸造产业创新中心有限公司 | Liquid material accumulated metering and discharging judgment method and mobile sand mixing system |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101722273B (en) * | 2009-11-12 | 2011-04-13 | 无锡锡南铸造机械有限公司 | Foundry sand charging device |
| CN103785792B (en) * | 2014-03-07 | 2015-09-16 | 孙晓宇 | A kind of continuous clay sand mixing machine |
| CN106311971A (en) * | 2015-06-30 | 2017-01-11 | 共享装备有限公司 | Liquid material control system of sand mixer |
| CN106270376A (en) * | 2016-09-27 | 2017-01-04 | 苏州欣苏诚铸造机械有限公司 | Liquid material intelligence control system for mulling moulding |
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2008
- 2008-07-28 CN CNU2008201273788U patent/CN201226107Y/en not_active Expired - Lifetime
- 2008-07-28 CN CNU2008201273754U patent/CN201223921Y/en not_active Expired - Lifetime
- 2008-07-28 CN CNU200820127374XU patent/CN201229502Y/en not_active Expired - Lifetime
- 2008-07-28 CN CNU2008201273769U patent/CN201226108Y/en not_active Expired - Lifetime
- 2008-08-13 CN CNU2008201324281U patent/CN201259637Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107214295A (en) * | 2017-06-19 | 2017-09-29 | 宝得粉末注射成形（常熟）有限公司 | Self-hardening sand mixing device |
| CN108907068A (en) * | 2018-06-29 | 2018-11-30 | 宁夏共享化工有限公司 | It is a kind of for casting the phenolic resin high-temperature curing agent in 3D inkjet printing field |
| CN111069526A (en) * | 2019-12-05 | 2020-04-28 | 江苏吉鑫风能科技股份有限公司 | Energy-saving consumption-reducing automatic resin quantifying method and system |
| CN114812765A (en) * | 2022-04-13 | 2022-07-29 | 共享智能铸造产业创新中心有限公司 | Liquid material accumulated metering and discharging judgment method and mobile sand mixing system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN201226108Y (en) | 2009-04-22 |
| CN201229502Y (en) | 2009-04-29 |
| CN201223921Y (en) | 2009-04-22 |
| CN201226107Y (en) | 2009-04-22 |
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