CN102615250A - Method and system for controlling thickness of sand mold of piston ring three-station molding machine - Google Patents
Method and system for controlling thickness of sand mold of piston ring three-station molding machine Download PDFInfo
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- CN102615250A CN102615250A CN2012101242422A CN201210124242A CN102615250A CN 102615250 A CN102615250 A CN 102615250A CN 2012101242422 A CN2012101242422 A CN 2012101242422A CN 201210124242 A CN201210124242 A CN 201210124242A CN 102615250 A CN102615250 A CN 102615250A
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- compacting
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Abstract
The invention discloses a method and a system for controlling the thickness of a sand mold of a piston ring three-station molding machine. The method comprises the following steps of: 1, in the process of manufacturing the sand mold, detecting the lifting magnitude of a compaction platform to determine the thickness of the sand mold which is obtained by press molding; 2, transmitting a correction instruction to a lifting adjusting mechanism of the compaction platform by an equipment controller according to a determination result; and 3, adjusting a pre-lifting in-place position of the compaction platform in real time by the lifting adjusting mechanism of the compaction platform according to the correction instruction, and performing the manufacturing process of the next sand mold. The method is skillfully designed, and by the method, the automatic adjustment and control of the thickness of the sand mold can be realized through mutual cooperation of a few components, defects existing in the conventional production process are overcome, the yield of the sand molds is increased, and the cost for reconstruction of the whole system is low, so the method is suitable for popularization.
Description
Technical field
The present invention relates to a kind of method that is used for piston ring three station moulding machine sand mold THICKNESS CONTROL, simultaneously, also relate to a kind of system that can realize piston ring three station moulding machine sand mold THICKNESS CONTROL.
Background technology
Piston ring three station moulding machines are critical equipment of piston ring pouring technology, are used for efficiently making the required sand mold of casting of piston ring.Rise beginning in advance from the compacting platform that has template, sand, cloth sand, compacting, the demoulding under the warp-wise template position, last sand mold produces, and makes a sand mold about about 7 seconds.In this process, the compacting platform is raised to a determining positions in advance and the cloth sand amount on the template, is promptly determining the thickness of finished product sand mold.Sand mold should not be too thick or too thin, too thick, and grit consuming amount and energy consumption are excessive in the technical process; Too thin, the sand mold undercapacity is prone to cause the cast failure.In fact so-called sand mold THICKNESS CONTROL, realizes through the compacting platform is raised to a control of position in advance.
It is exactly the position that template connects sand and cloth sand that the compacting platform is raised to a position in advance.On this position, molding sand is transferred and is deposited on the template through sending the sand passage, and this is for connecing sand; Then, cloth sand plate by after push away forward, sand evenly is abound with on the whole template, be cloth sand.Cloth sand plate lower edge is higher than the size of template surface, is exactly to be abound with the molding sand thickness at template surface after cloth sand is accomplished, and this thickness depends on that the compacting platform is raised to the height of a position in advance, and it is determining the thickness of sand mold finished product.In other words, as long as, just can guarantee that sand mold thickness is just right always can make the compacting platform be raised to appropriate position in advance.Unavoidablely be, the molding sand of same thickness is because of the difference of its composition (mainly being moisture), and the sand mold of compression moulding can have different thickness, and moisture is higher, and sand mold thickness will be thinner, otherwise, then thicker.So it is not unalterable fixed position that the compacting platform is raised to a position in advance, it should be able to be adjusted along with the variation of moulding snad composition (mainly being moisture) automatically, promptly to the automatic control of sand mold thickness.
The method of control piston ring three station moulding machine sand mold THICKNESS CONTROL that also is not exclusively used in the adjustment of sand mold thickness is open, therefore is necessary to design a kind of control piston ring three station moulding machine sand mold method for controlling thickness that are exclusively used in the adjustment of sand mold thickness but at present.
Summary of the invention
In view of this, one of the object of the invention provides a kind of piston ring three station moulding machine sand mold method for controlling thickness, and two of the object of the invention provides a kind of piston ring three station moulding machine sand mold thickness control systems.
One of the object of the invention is realized through following technical scheme:
These piston ring three station moulding machine sand mold method for controlling thickness may further comprise the steps:
Step 1: in the manufacturing process of sand mold, through detecting the heave amplitude of compacting platform, the sand mold thickness of compression moulding is carried out " blocked up " or " thin excessively " judge;
Step 2: device controller sends the lifting control mechanism of revision directive to compacting platform according to result of determination;
Step 3: the lift adjustment mechanism of compacting platform is according to revision directive, and that adjusts the compacting platform in real time is raised to a position in advance, carries out the manufacturing process of next sand mold.
Further; In step 1; Induction type is fixedly mounted near the appropriate location the hoist cylinder of compacting platform near switch; Supporting with it metal sender piece adopts with induction type and is arranged on the hoist cylinder near switch relative mode on same normal trajectories, and falls with rising together with hoist cylinder, and induction type is adjusted according to the specification of concrete sand mold near the vertical range between switch and the metal sender piece;
Accomplish when the sand mold compacting, the sender piece makes it sender near near switch, thereby judges " thin excessively ", needs thickening; When sand mold compacting is accomplished, the no show of sender piece is near the height of switch, and making it can not sender, then judges sand mold " blocked up ", needs attenuate;
Further, in step 3,, realize that the push-down head of compacting platform is raised to the adjustment of a position in advance through changing the injection flow of the thickness oil cylinder in the compacting platform driving oil cylinder; When judging sand mold " thin excessively ", reduce injection flow, when judging sand mold " blocked up ", increase injection flow.
Two of the object of the invention is realized through following technical scheme:
These piston ring three station moulding machine sand mold thickness control systems comprise
Detecting unit through detecting the heave amplitude of compacting platform, sends coherent signal;
Device controller according to the testing result of detecting unit, carries out " blocked up " or " thin excessively " to the sand mold thickness of compression moulding and judges, according to result of determination, sends revision directive;
Compacting platform lift adjustment mechanism is used for the revision directive that the receiving equipment controller sends, and accurately adjustment is implemented in a position that is raised in advance of compacting platform push-down head.
Further; Said detecting unit comprise induction type near switch and with this induction type near the suitable metal sender piece of switch; Said induction type is arranged near the appropriate location the hoist cylinder of compacting platform near switch; Said metal sender piece adopts with induction type and is arranged on the hoist cylinder near switch relative mode on same normal trajectories, and falls with rising together with hoist cylinder, and induction type is adjusted according to the specification of concrete sand mold near the vertical range between switch and the metal sender piece;
Further, said compacting platform lift adjustment mechanism realizes that through changing the injection flow of the thickness oil cylinder in the compacting platform driving oil cylinder push-down head of compacting platform is raised to the adjustment of a position in advance.
The invention has the beneficial effects as follows:
Method design of the present invention is ingenious; Just can realize the automatic adjustment control of sand mold thickness having solved the defective that exists in the existing production process through cooperatively interacting of several parts, improve the qualification rate that sand mold is produced; The cost of whole system input transformation simultaneously is lower, is fit to promote the use of.
Other advantages of the present invention, target and characteristic will be set forth in specification subsequently to a certain extent; And to a certain extent; Based on being conspicuous to those skilled in the art, perhaps can from practice of the present invention, obtain instruction to investigating of hereinafter.Target of the present invention and other advantages can realize and obtain through following specification and claims.
Description of drawings
In order to make the object of the invention, technical scheme and advantage clearer, will combine accompanying drawing that the present invention is made further detailed description below, wherein:
Fig. 1 is a sand mold THICKNESS CONTROL flow chart;
Fig. 2 is that the module of control of the present invention system connects sketch map.
The specific embodiment
Below will carry out detailed description to the preferred embodiments of the present invention with reference to accompanying drawing.Should be appreciated that preferred embodiment has been merely explanation the present invention, rather than in order to limit protection scope of the present invention.
In order to solve the self-adjusting problem of sand mold thickness; How its core makes the compacting platform be raised to a position automatically adjustment with the variation of moulding snad composition in advance if being to solve, automatically adjustment for the moulding snad composition that causes because of some factor of environmental condition or molding sand processing procedure in the formative technology process slowly or variation more by a small margin enough adaptive abilities should be arranged.In view of this design philosophy, piston ring three station moulding machine sand mold method for controlling thickness of the present invention may further comprise the steps:
Step 1: in the manufacturing process of sand mold, through detecting the heave amplitude of compacting platform, the sand mold thickness of compression moulding is carried out " blocked up " or " thin excessively " judge;
Step 2: device controller sends the lift adjustment mechanism of revision directive to compacting platform according to result of determination;
Step 3: the lift adjustment mechanism of compacting platform is according to revision directive, and that adjusts the compacting platform in real time is raised to a position in advance, carries out the manufacturing process of next sand mold.
Wherein, In step 1; Induction type is fixedly mounted near the appropriate location the hoist cylinder of compacting platform near switch; Supporting with it metal sender piece adopts with induction type and is arranged on the hoist cylinder near switch relative mode on same normal trajectories, and falls with rising together with hoist cylinder, and induction type is adjusted according to the specification of concrete sand mold near the vertical range between switch and the metal sender piece;
Accomplish when the sand mold compacting, the sender piece makes it sender near near switch, thereby judges " thin excessively ", needs thickening; When sand mold compacting is accomplished, the no show of sender piece is near the height of switch, and making it can not sender, then judges sand mold " blocked up ", needs attenuate.
And in step 3,, realize that the push-down head of compacting platform is raised to the adjustment of a position in advance through changing the injection flow of the thickness oil cylinder in the compacting platform driving oil cylinder; In actual application, thickness oil cylinder specific responsibility realizes the adjustment of sand mold thickness, and is more to its injection flow when judging sand mold " blocked up ", be raised to the position in advance after, compacting platform position is higher, correspondingly, cloth sand amount is few, sand mold is just thinner; When judging sand mold " thin excessively ", few to its injection flow, be raised to the position in advance after; Compacting platform position is low, and correspondingly, cloth sand amount is more; Sand mold with regard to thicker (in existing general cognition; " cylinder " of piston ring three station moulding machines is the three cylinder sleeve assembling structures that 2 oil cylinders add 1 cylinder, concentrates here and sets forth thickness adjustment control, so only carry thickness oil cylinder wherein); As shown in Figure 1, this figure is that device controller is made the sand mold THICKNESS CONTROL flow chart that correct sand mold thickness is judged and commander's enforcement is adjusted.
As shown in Figure 2, piston ring three station moulding machine sand mold thickness control systems of the present invention comprise
(1) detecting unit 1, is used to detect the heave amplitude of compacting platform, sends coherent signal; In the present embodiment; The detecting unit unit comprise induction type near switch and with this induction type near the suitable metal sender piece of switch; Said induction type is arranged near the appropriate location the hoist cylinder of compacting platform near switch; Metal sender piece adopts with induction type and is arranged on the hoist cylinder near switch relative mode on same normal trajectories, and falls with rising together with hoist cylinder, and induction type is adjusted according to the specification of concrete sand mold near the vertical range between switch and the metal sender piece;
(2) device controller 2, according to the testing result of detecting unit, the sand mold thickness of compression moulding is carried out " blocked up " or " thin excessively " judge, according to result of determination, send revision directive; In the present embodiment; Whenever the sand mold compacting is accomplished; Device controller all can be gathered near switching signal, and signal is made correct sand mold thickness adjustment decision-making in view of the above, and sends command adapted thereto to the hydraulic valve of being responsible for switching thickness oil cylinder oil circuit; The adjustment of enforcement thickness, this device controller can be realized the input and relevant control operation of parameter through guidance panel.
(3) compacting platform lift adjustment mechanism 3 is used for the revision directive that the receiving equipment controller sends, and accurately adjustment is implemented in a position that is raised in advance of compacting platform push-down head.In the present embodiment, compacting platform lift adjustment mechanism realizes that through changing the injection flow of the thickness oil cylinder in the compacting platform driving oil cylinder push-down head of compacting platform is raised to the adjustment of a position in advance.
In concrete implementation process; In most cases; The variation of moulding snad composition (mainly being moisture) be slowly with by a small margin variation, but sometimes, also can make a certain batch molding sand because of certain environment or artificial origin; Suddenly variation by a relatively large margin takes place in its composition, and the saltus step by a relatively large margin of sand mold thickness promptly can take place.At this moment; In order in time to make thickness adjustment by a relatively large margin; The operator can be through pressing the key (or button) on the guidance panel, and with the adjustment direction of hope and the adjusting range device controller of " accusing it ", device controller can be adjusted immediately; Can avoid self-adjusting " step-length " less than normal, the drawback that is difficult to adjust to the right place as early as possible.
Explanation is at last; Above embodiment is only unrestricted in order to technical scheme of the present invention to be described; Although with reference to preferred embodiment the present invention is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention; And not breaking away from the aim and the scope of present technique scheme, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (6)
1. piston ring three station moulding machine sand mold method for controlling thickness is characterized in that: said method comprising the steps of:
Step 1: in the manufacturing process of sand mold, through detecting the heave amplitude of compacting platform, the sand mold thickness of compression moulding is carried out " blocked up " or " thin excessively " judge;
Step 2: device controller sends the lift adjustment mechanism of revision directive to compacting platform according to result of determination;
Step 3: the lift adjustment mechanism of compacting platform is according to revision directive, and that adjusts the compacting platform in real time is raised to a position in advance, carries out the manufacturing process of next sand mold.
2. piston ring three station moulding machine sand mold method for controlling thickness according to claim 1; It is characterized in that: in step 1; Induction type is fixedly mounted near the appropriate location the hoist cylinder of compacting platform near switch; Supporting with it metal sender piece adopts with induction type and is arranged on the hoist cylinder near switch relative mode on same normal trajectories; And with rising with falling, induction type is adjusted according to the specification of concrete sand mold near the vertical range between switch and the metal sender piece with hoist cylinder;
Accomplish when the sand mold compacting, the sender piece makes it sender near near switch, thereby judges " thin excessively ", needs thickening; When sand mold compacting is accomplished, the no show of sender piece is near the height of switch, and making it can not sender, then judges sand mold " blocked up ", needs attenuate.
3. piston ring three station moulding machine sand mold method for controlling thickness according to claim 1 and 2; It is characterized in that: in step 3; Through changing the injection flow of the thickness oil cylinder in the compacting platform driving oil cylinder, realize that the push-down head of compacting platform is raised to the adjustment of a position in advance; When judging sand mold " thin excessively ", reduce injection flow, when judging sand mold " blocked up ", increase injection flow.
4. piston ring three station moulding machine sand mold thickness control systems, it is characterized in that: said system comprises
Detecting unit through detecting the heave amplitude of compacting platform, sends coherent signal;
Device controller according to the testing result of detecting unit, carries out " blocked up " or " thin excessively " to the sand mold thickness of compression moulding and judges, according to result of determination, sends revision directive;
Compacting platform lift adjustment mechanism is used for the revision directive that the receiving equipment controller sends, and accurately adjustment is implemented in a position that is raised in advance of compacting platform push-down head.
5. piston ring three station moulding machine sand mold thickness control systems according to claim 4; It is characterized in that: said detecting unit comprise induction type near switch and with this induction type near the suitable metal sender piece of switch; Said induction type is arranged near the appropriate location the hoist cylinder of compacting platform near switch; Said metal sender piece adopts with induction type and is arranged on the hoist cylinder near switch relative mode on same normal trajectories; And with rising with falling, induction type is adjusted according to the specification of concrete sand mold near the vertical range between switch and the metal sender piece with hoist cylinder.
6. according to claim 4 or 5 described piston ring three station moulding machine sand mold thickness control systems; It is characterized in that: said compacting platform lift adjustment mechanism realizes that through changing the injection flow of the thickness oil cylinder in the compacting platform driving oil cylinder push-down head of compacting platform is raised to the adjustment of a position in advance.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012101242422A CN102615250A (en) | 2012-04-25 | 2012-04-25 | Method and system for controlling thickness of sand mold of piston ring three-station molding machine |
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| CN2012101242422A CN102615250A (en) | 2012-04-25 | 2012-04-25 | Method and system for controlling thickness of sand mold of piston ring three-station molding machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104229434A (en) * | 2014-09-02 | 2014-12-24 | 广州沧恒自动控制科技有限公司 | Feeding device for piston ring detection machine |
| CN109890533A (en) * | 2016-10-31 | 2019-06-14 | 丰田自动车株式会社 | Type core forms device and type core forming method |
| CN111556947A (en) * | 2018-03-30 | 2020-08-18 | 川崎重工业株式会社 | Incineration equipment |
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| CN1396016A (en) * | 2001-03-16 | 2003-02-12 | 新东工业株式会社 | Method and device for compacting molding sand |
| CN101844207A (en) * | 2010-05-27 | 2010-09-29 | 南京化工职业技术学院 | Automatic steel ball casting forming machine |
| CN102350486A (en) * | 2011-10-28 | 2012-02-15 | 机械工业第三设计研究院 | Positioning method of three-work station piston ring molding machine under drive of alternating-current servo motor |
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| CN1108980A (en) * | 1994-03-24 | 1995-09-27 | 金属机械股份有限公司 | Method and apparatus for making sand mold |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104229434A (en) * | 2014-09-02 | 2014-12-24 | 广州沧恒自动控制科技有限公司 | Feeding device for piston ring detection machine |
| CN109890533A (en) * | 2016-10-31 | 2019-06-14 | 丰田自动车株式会社 | Type core forms device and type core forming method |
| CN109890533B (en) * | 2016-10-31 | 2021-01-05 | 丰田自动车株式会社 | Core forming apparatus and core forming method |
| CN111556947A (en) * | 2018-03-30 | 2020-08-18 | 川崎重工业株式会社 | Incineration equipment |
| CN111556947B (en) * | 2018-03-30 | 2022-08-09 | 川崎重工业株式会社 | Incineration equipment |
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Application publication date: 20120801 |