CN202224590U - Foundry resin sand flow proportioning control instrument - Google Patents
Foundry resin sand flow proportioning control instrument Download PDFInfo
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- CN202224590U CN202224590U CN2011203204178U CN201120320417U CN202224590U CN 202224590 U CN202224590 U CN 202224590U CN 2011203204178 U CN2011203204178 U CN 2011203204178U CN 201120320417 U CN201120320417 U CN 201120320417U CN 202224590 U CN202224590 U CN 202224590U
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- curing agent
- main control
- control unit
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- resin sand
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Abstract
The utility model relates to a control instrument, in particular to a foundry resin sand flow proportioning control instrument. A flow proportioning mechanism comprises a curing agent barrel, wherein the curing agent barrel is connected with a curing agent pump; one end of the curing agent pump is connected with a motor; the motor is phase-controlled through a frequency converter; the frequency converter is phase-controlled through a programmable logic controller (PLC) main control unit; the other end of the curing agent pump is connected with a curing agent valve; a flow sensor connected between the curing agent pump and the curing agent valve is further connected with a transmitter; the transmitter is connected with the PLC main control unit; and the curing agent valve is connected with a liquid material mixing tube communicated with an atomizing nozzle communicated with a sand mixer. The foundry resin sand flow proportioning control instrument has the advantages that the structure is simple, the intellectualization degree is high, raw materials are saved, the production quality and the efficiency are improved, and the manufacturing cost is saved.
Description
Technical field
The utility model patent relates to a kind of controller, relates in particular to a kind of casting resin sand flowrate proportioning controller.
Background technology
Present casting resin sand production line moulding puddle mixer liquid material matching system of the prior art is one of core technology of modern continuous formula puddle mixer; Along with the development of Casting Technology and to the further raising of molding quality, casting quality requirement, the progress of continuous muller Modeling Technology development; Especially make sand mold and the used large-tonnage continuous muller of core large-scale, the critical foundry goods; The work of its liquid feeding system requires more accurate, more stable; Control more convenient; Otherwise the sum of errors that liquid material proportioning is supplied with is inhomogeneous, and the influence that perhaps brings owing to sand temperature, environment temperature, humidity causes scrapping of sand mold (core), will bring tremendous loss to the product quality and the economic benefit of enterprise.
The continuous muller liquid feeding system mainly is made up of liquid charging basket, filter and dial switch control gear pump or membrane pump, Pneumatic three-way valve, atomizer, frequency converter, PLC etc.In order to make the liquid material can be ejected on the surface of sand uniformly; The mode that adopts atomizing to spray into; With liquid material atomizing back and have certain speed and be ejected on the sand, reduced liquid material phenomenon pockety between even sand of sand surface skewness and sand.When liquid feeding system designed, considering can not be airtight fully when pipeline connects, and may have air to enter; Therefore system is designed to a closed-loop system, promptly utilizes the switching of three-way change-over valve, make each unnecessary liquid material can turn back to charging basket; Even not mulling of puddle mixer liquid system is also moving so always, promptly in class's work, if not mulling of puddle mixer; Liquid material pump is still opened; All the time be full of by the liquid material in the pipeline, do not have air to sneak into, can guarantee that like this cutout or erratic wild effect can not appear in the liquid material.
The shortcoming of early stage liquid feeding system is not enough: it is to drive liquid material pump by dc motor that early stage liquid feeding system liquid material is supplied with, and gets into spraynozzle through fluid feed valve again.Have several kinds of liquid material that several liquid feeding systems are just arranged, these systems are separately independently.What and control of liquid material quantity delivered are to adjust decision by rotating speed of motor (rotating speed of pump), promptly will be through ready-made flow---the scale relation curve confirm that this relation curve will be made by the manual weighing in advance, and not only time-consuming but also inaccurate; Especially under the situation of sand variations in temperature, more can't accomplish online in real time control.
Summary of the invention
The utility model mainly is to solve the deficiency that exists in the prior art, provides a kind of simple in structure, easy to operate, and the automatic intelligent degree is higher, has improved the casting resin sand flowrate proportioning controller of the production efficiency and the product quality of foundry goods largely.
The above-mentioned technical problem of the utility model mainly is able to solve through following technical proposals:
A kind of casting resin sand flowrate proportioning controller comprises the PLC main control unit, and described PLC main control unit is provided with the flowrate proportioning mechanism that at least two groups are in parallel and distribute; Described flowrate proportioning mechanism comprises the curing agent bucket, and described curing agent bucket connects catalyst pump, and an end of described catalyst pump is connected with motor; Described motor is controlled through frequency converter mutually, and described frequency converter is controlled through the PLC main control unit mutually, and the other end of described catalyst pump connects the curing agent valve; Be connected with flow sensor between described catalyst pump and curing agent valve; Described flow sensor connects transmitter, and described transmitter connects the PLC main control unit, and described curing agent valve connects liquid material mixing tube; Described liquid material mixing tube is communicated with atomizer, and described atomizer is communicated with puddle mixer.
With two kinds of curing agent material representatives; The curing agent that is meant two kinds of heterogeneitys (for example different pH values or different curing rate---speed ester) makes the curing of sand mold (core) and intensity reach rationally, stablize through changing two kinds of curing agent consumption (total amount is constant) separately.It is that the function relation curve of sand temperature or air themperature even humidity and curing agent addition is carried out in advance, enrolls main control unit PLC.The curing agent total amount that adds is constant, but selects two kinds of different curing agent (two kinds of speed esters of for example fast, slow ester or different pH values), and own independent liquid feeding system is respectively arranged; In system's running, through various sensors various required data acquisitions are fed back to main control unit, and main control unit will be according to function curve setting in advance; Signal to gathering (feedback) compares, computing; Provide comparison signal to frequency converter, frequency converter output adjustment signal is adjusted its rotating speed to motor; It is the rotating speed of pump; Adjust the flow of two kinds of curing agent in real time, two kinds of curing agent flows adjusting import a liquid material mixing tube and enter into atomizer again, finally get into puddle mixer and stir cage.
As preferably, described curing agent valve connects the curing agent bucket through return duct.
As preferably, described PLC main control unit, frequency converter, motor, catalyst pump, flow sensor and transmitter form the loop.
Therefore, a kind of casting resin sand flowrate proportioning controller of the utility model, simple in structure, intelligent degree is high, saves material, and improves the quality of production and efficient, practices thrift manufacturing cost.
Description of drawings
Fig. 1 is the theory structure sketch map of the utility model.
The specific embodiment
Pass through embodiment below, and combine accompanying drawing, do further bright specifically the technical scheme of the utility model.
Embodiment 1: as shown in Figure 1, a kind of casting resin sand flowrate proportioning controller comprises PLC main control unit 1; Described PLC main control unit 1 is provided with the flowrate proportioning mechanism that at least two groups are in parallel and distribute, and described flowrate proportioning mechanism comprises curing agent bucket 2, and described curing agent bucket 2 connects catalyst pumps 3; One end of described catalyst pump 3 is connected with motor 4; Described motor 4 is controlled through frequency converter 5 mutually, and described frequency converter 5 is controlled through PLC main control unit 1 mutually, and the other end of described catalyst pump 3 connects curing agent valve 6; 6 on described catalyst pump 3 and curing agent valve are connected with flow sensor 7; Described flow sensor 7 connects transmitter 8, and described transmitter 8 connects PLC main control unit 1, and described curing agent valve 6 connects liquid material mixing tube 9; Described liquid material mixing tube 9 is communicated with atomizer 10; Described atomizer 10 is communicated with puddle mixers 11, and described curing agent valve 6 connects curing agent buckets 2 through return duct 12, described PLC main control unit 1, frequency converter 5, motor 4, catalyst pump 3, flow sensor 7 and transmitter 8 formation loops.
Claims (3)
1. casting resin sand flowrate proportioning controller is characterized in that: comprise PLC main control unit (1), described PLC main control unit (1) is provided with the flowrate proportioning mechanism that at least two groups are in parallel and distribute; Described flowrate proportioning mechanism comprises curing agent bucket (2); Described curing agent bucket (2) connects catalyst pump (3), and an end of described catalyst pump (3) is connected with motor (4), and described motor (4) is controlled through frequency converter (5) mutually; Described frequency converter (5) is controlled through PLC main control unit (1) mutually; The other end of described catalyst pump (3) connects curing agent valve (6), is connected with flow sensor (7) between described catalyst pump (3) and curing agent valve (6), and described flow sensor (7) connects transmitter (8); Described transmitter (8) connects PLC main control unit (1); Described curing agent valve (6) connects liquid material mixing tube (9), and described liquid material mixing tube (9) is communicated with atomizer (10), and described atomizer (10) is communicated with puddle mixer (11).
2. a kind of casting resin sand flowrate proportioning controller according to claim 1 is characterized in that: described curing agent valve (6) connects curing agent bucket (2) through return duct (12).
3. a kind of casting resin sand flowrate proportioning controller according to claim 1 and 2 is characterized in that: described PLC main control unit (1), frequency converter (5), motor (4), catalyst pump (3), flow sensor (7) and transmitter (8) form the loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203204178U CN202224590U (en) | 2011-08-30 | 2011-08-30 | Foundry resin sand flow proportioning control instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203204178U CN202224590U (en) | 2011-08-30 | 2011-08-30 | Foundry resin sand flow proportioning control instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202224590U true CN202224590U (en) | 2012-05-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203204178U Expired - Fee Related CN202224590U (en) | 2011-08-30 | 2011-08-30 | Foundry resin sand flow proportioning control instrument |
Country Status (1)
| Country | Link |
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| CN (1) | CN202224590U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102794442A (en) * | 2012-07-23 | 2012-11-28 | 宁夏共享集团有限责任公司 | Liquid material device for preventing contact of liquid material and air to react for casting |
| CN102886490A (en) * | 2012-07-26 | 2013-01-23 | 宁夏共享集团有限责任公司 | Automatic control equipment for molding sand solidification |
| CN102935489A (en) * | 2012-07-23 | 2013-02-20 | 宁夏共享集团有限责任公司 | Control system of furan resin liquid material |
| CN103317085A (en) * | 2013-06-06 | 2013-09-25 | 重庆长江造型材料（集团）股份有限公司 | Coated sand auxiliary material automatic feeding device |
| CN104368749A (en) * | 2014-12-08 | 2015-02-25 | 广西玉柴机器股份有限公司 | Hardening-resistant sand mixing system |
| CN106311971A (en) * | 2015-06-30 | 2017-01-11 | 共享装备有限公司 | Liquid material control system of sand mixer |
| CN114985676A (en) * | 2022-05-30 | 2022-09-02 | 重庆林洲机械制造有限公司 | Molding sand weight monitoring and liquid material correcting system and method for continuous sand mixer |
-
2011
- 2011-08-30 CN CN2011203204178U patent/CN202224590U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102794442A (en) * | 2012-07-23 | 2012-11-28 | 宁夏共享集团有限责任公司 | Liquid material device for preventing contact of liquid material and air to react for casting |
| CN102935489A (en) * | 2012-07-23 | 2013-02-20 | 宁夏共享集团有限责任公司 | Control system of furan resin liquid material |
| CN102886490A (en) * | 2012-07-26 | 2013-01-23 | 宁夏共享集团有限责任公司 | Automatic control equipment for molding sand solidification |
| CN103317085A (en) * | 2013-06-06 | 2013-09-25 | 重庆长江造型材料（集团）股份有限公司 | Coated sand auxiliary material automatic feeding device |
| CN104368749A (en) * | 2014-12-08 | 2015-02-25 | 广西玉柴机器股份有限公司 | Hardening-resistant sand mixing system |
| CN106311971A (en) * | 2015-06-30 | 2017-01-11 | 共享装备有限公司 | Liquid material control system of sand mixer |
| CN114985676A (en) * | 2022-05-30 | 2022-09-02 | 重庆林洲机械制造有限公司 | Molding sand weight monitoring and liquid material correcting system and method for continuous sand mixer |
| CN114985676B (en) * | 2022-05-30 | 2023-08-08 | 重庆林洲机械制造有限公司 | Molding sand weight monitoring and liquid material correcting system and method for continuous sand mixer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: HANGZHOU RESOURCE POWER EQUIPMENT CO., LTD. Free format text: FORMER NAME: HANGZHOU LIANYUAN HEAVY INDUSTRY MACHINERY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 311228, No. five, No. 2688, Linjiang Industrial Zone, Xiaoshan District, Zhejiang, Hangzhou Patentee after: Hangzhou Resource Power Equipment Co., Ltd. Address before: 311228, No. five, No. 2688, Linjiang Industrial Zone, Xiaoshan District, Zhejiang, Hangzhou Patentee before: Hangzhou Lianyuan Heavy Industry Machinery Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120523 Termination date: 20170830 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |