CN101637804B - Sand box returning mechanism, returning method using same and vacuum casting line - Google Patents
Sand box returning mechanism, returning method using same and vacuum casting line Download PDFInfo
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- CN101637804B CN101637804B CN2009101685984A CN200910168598A CN101637804B CN 101637804 B CN101637804 B CN 101637804B CN 2009101685984 A CN2009101685984 A CN 2009101685984A CN 200910168598 A CN200910168598 A CN 200910168598A CN 101637804 B CN101637804 B CN 101637804B
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Abstract
The invention discloses a sand box returning mechanism used for a vacuum casting line system and comprising a sand box returning line, a sand box hoisting bracket and a roller way, wherein the rear end of the sand box returning line is connected with a casting mechanism of the casting line system so that a sand box can be conveniently returned to the casting mechanism; the sand box hoisting bracket is provided with a vertically arranged guide rod and a clamping component moving upwards and downwards along the guide rod. At least one pair of clamping paws of the clamping component are respectively hinged with a clamping component body so as to facilitate the opening and closing operation. The front end of the roller way is positioned above a supporting plate returning shuttle car, and the rear end thereof is positioned above the front end of the sand box returning line. The roller way passes through the upper side of a sand dropping mechanism so as to facilitate the directional walk of the sand box hoisting bracket among the supporting plate returning shuttle car, the sand dropping mechanism and the sand box returning line, thereby reliably guaranteeing an operator to keep away from an area with high temperature, high silicon dust content and high danger. Based on the sand box returning mechanism, the invention also provides a returning method using the sand box returning mechanism and a vacuum casting line with the sand box returning mechanism.
Description
Technical field
The present invention relates to vacuum sealing moulding technique equipment, be specifically related to the sandbox gigback, use the returning method and the vacuum sealed molded lines of this mechanism.
Background technology
Vacuum sealed molding is a kind of physics formative method, utilizes plastic sheeting sealing sandbox and relies on air in the vavuum pump extraction type, causes the inside and outside pressure differential of casting mold to make the dry sand consolidation, to form required die cavity; Abbreviate the moulding of V method as.
At present, existing V method mo(u)lding line is open cycle system, that is, all start from modelling mechanism A, terminate in the D of knockout mechanism, disconnects between modelling mechanism and the knockout mechanism; As shown in Figure 1, this figure is the structural representation of existing V method mo(u)lding line system, and this system comprises compositions such as modelling mechanism A, the B of mould assembling mechanism, mould conveyer structure C, the D of knockout mechanism, supporting plate gigback E, foundry goods unloading device F.Wherein, modelling mechanism A and the B of mould assembling mechanism are used to make qualified casting mold, and casting mold is sent into the mould conveyer structure.The mould conveyer structure divides two parts, and first is used for upper and lower half mould and carries between modelling mechanism and mould assembling mechanism, and following core operates in this part and finishes; Another part is positioned at after the mould assembling mechanism, is used to carry integer (casting mold after upper and lower half mould lumps together), is sent on teeming line, cooling line and the shakeout.Knockout mechanism is used for foundry goods is separated with molding sand, and molding sand is sent into sand preparing system.The supporting plate gigback is used for supporting plate is transported to modelling mechanism.The foundry goods unloading device is used for foundry goods is taken out and be put into assigned address.Wherein, the sandbox loopback need be by manually intervening, and can't finish automatically.During practical operation, after sandbox arrived knockout mechanism, the operation of sandbox loopback generally was that the operator hangs over sandbox on the crane with lifting rope, with crane sandbox is transported to the sandbox storeroom then, from the sandbox storeroom modelling mechanism is returned in the sandbox handling again.
As everyone knows, the operator finishes aforesaid operations and need carry out in the environment of high temperature, high silica dust, high-risk, high labour intensity.Obviously, existing V method mo(u)lding line has following defective:
One, after sand mold arrived knockout mechanism, the sand temperature was still at 200-400 ℃, and the operating environment temperature is higher;
Its two because knockout mechanism place has a large amount of silica dust to produce, the operator works in such environment for a long time and very easily suffers from anthraco-silicosis and pneumoconiosis;
Its three, sandbox is hung by manually finishing, continuously under the situation of running, the operator promptly will finish and hang operation at mo(u)lding line, also will be ceaselessly in modelling mechanism and the inter-agency walking of shuttling back and forth of knockout, working strength is bigger;
Its four, hang operation itself and have certain danger, and the easier generation security incident of under adverse circumstances, working, there is bigger hidden danger in foundry production.
Summary of the invention
At above-mentioned defective, the technical problem that the present invention solves is, provides a kind of sandbox gigback that is used for the vacuum sealed molded lines, so that the operator is away from high temperature, high silica dust, high-risk danger zone; Simultaneously, saved human cost, alleviated operator's labour intensity because the sandbox loopback has realized mechanization, automated job.On this basis, the present invention also provides a kind of vacuum sealed molded lines that uses the sandbox returning method of this mechanism and have this sandbox gigback.
Sandbox gigback provided by the invention is used for the vacuum sealed molding wire system, comprises sandbox loopback line, sand box hoisting bracket and roller-way; Wherein, the end of described sandbox loopback line connects with the modelling mechanism of mo(u)lding line system, so that sandbox is recycled to modelling mechanism; Described sand box hoisting bracket has the guide rod of vertical setting and along described guide rod clamping component moving upwards and downwards; At least one pair of jaw of described hold assembly is hinged with the body of hold assembly respectively so that open, closed procedure; The head end of described roller-way places the top of supporting plate loopback shuttle, its end places the top of sandbox loopback line head end, and described roller-way is by way of the top of knockout mechanism, so that sand box hoisting bracket is carried out the orientation walking between described supporting plate loopback shuttle, knockout mechanism and sandbox loopback line.
Preferably, described sand box hoisting bracket also has the telescoping cylinder of corresponding setting with jaw, and its two ends are hinged with the body of jaw and hold assembly respectively, and described jaw opens or closure so that drive.
Preferably, also comprise first travel switch, second travel switch and first buting iron; Wherein, described first travel switch is fixedly installed on the described roller-way of knockout mechanism top; Described second travel switch is fixedly installed on the described roller-way of sandbox loopback line head end top; Described first buting iron is fixedly installed on the described sand box hoisting bracket; And when described first buting iron pressed the roller of first travel switch or second travel switch, corresponding travel switch output control signal was used to control described hold assembly and moves down along guide rod.
Preferably, described sand box hoisting bracket also comprises position sensor, and described position sensor detects the upper and lower operating position of hold assembly and exports control signal and is used to control stretching out of described telescoping cylinder or regains.
Use provided by the invention is the sandbox returning method of sandbox gigback as previously mentioned, and sand box hoisting bracket places initial position: the top of supporting plate loopback shuttle, and jaw opens, and is undertaken by the step of following working cycles:
Step a, hold assembly along guide rod be displaced downwardly to need the position after, jaw closure, clamping drag box;
Step b, hold assembly drive upper and lower sandbox along move on the guide rod need the position after, sand box hoisting bracket moves to the top of knockout mechanism along roller-way;
Step c, hold assembly along guide rod be displaced downwardly to need the position after, jaw opens, upper and lower sandbox places in the knockout mechanism;
Steps d, hold assembly along move on the guide rod need the position after, the closed clamping cope of jaw; Hold assembly drive cope along move on guide rod continues need the position after, sand box hoisting bracket moves to the top of sandbox loopback line along roller-way;
Step e, hold assembly along guide rod be displaced downwardly to need the position after, jaw opens, cope places on the sandbox loopback line;
Step f, hold assembly along move on the guide rod need the position after, sand box hoisting bracket moves to the top of knockout mechanism along roller-way, sandbox loopback line is recycled to modelling mechanism with cope;
Step g, hold assembly along guide rod be displaced downwardly to need the position after, jaw closure, clamping drag box;
Step h, hold assembly drive drag box along move on the guide rod need the position after, sand box hoisting bracket moves to the top of sandbox loopback line along roller-way;
Step I, hold assembly along guide rod be displaced downwardly to need the position after, jaw opens, drag box places on the sandbox loopback line;
Step j, hold assembly along move on the guide rod need the position after, sandbox loopback line is recycled to modelling mechanism with drag box, sand box hoisting bracket moves to initial position along roller-way;
So far finish a working cycles.
Vacuum sealed molding wire system provided by the invention comprises modelling mechanism, mould assembling mechanism, mould conveyer structure, knockout mechanism, supporting plate gigback and foundry goods unloading device, and aforementioned each mechanism sets gradually according to casting process; Also comprise foregoing sandbox gigback.
Preferably, described sand box hoisting bracket also has the telescoping cylinder of corresponding setting with jaw, and its two ends are hinged with the body of jaw and hold assembly respectively, and described jaw opens or closure so that drive.
Preferably, also comprise first travel switch, second travel switch and first buting iron; Described first travel switch is fixedly installed on the described roller-way of knockout mechanism top; Described second travel switch is fixedly installed on the described roller-way of sandbox loopback line head end top; Described first buting iron is fixedly installed on the described sand box hoisting bracket; And when described first buting iron pressed the roller of first travel switch or second travel switch, corresponding travel switch output control signal was used to control described hold assembly and moves down along guide rod.
Preferably, described sand box hoisting bracket also comprises position sensor, and described position sensor detects the upper and lower operating position of hold assembly and exports control signal and is used to control stretching out of described telescoping cylinder or regains.
Preferably, also comprise the third trip switch and second buting iron; Wherein, described third trip switch is fixedly installed on the described roller-way of supporting plate loopback shuttle top; Described second buting iron is fixedly installed on the supporting plate loopback shuttle; And when described second buting iron pressed the roller of third trip switch, third trip switch output control signal was used to control described hold assembly and moves down along guide rod.
Sandbox gigback provided by the invention can be realized sandbox is recycled to modelling mechanism automatically, thereby has formed complete vacuum sealed molded lines, that is, and and closed loop V method mo(u)lding line; Like this, the operator can be away from high temperature, high silica dust, high-risk danger zone, and no longer is subjected to condition restriction such as environment temperature, air cleaning degree; Simultaneously,, therefore can alleviate operator's labour intensity, saving human cost, effectively evade manually-operated hidden danger because the sandbox loopback has realized mechanization, automated job.
In the preferred version of sandbox gigback of the present invention, have additional the travel switch and the buting iron that are used, each travel switch is arranged on the corresponding position of roller-way based on different operating positions; Like this, when buting iron pressed roller, corresponding travel switch was promptly exported control signal and is used to control hold assembly and moves down along guide rod, realizing the automatic control of the above-mentioned action of mechanism, and the service working time that can effectively save stroke.
In addition, use the V method mo(u)lding line of sandbox gigback of the present invention, can effectively shorten the service cycle of mo(u)lding line, and then improve running efficiency.
Description of drawings
Fig. 1 is the schematic diagram of existing V method mo(u)lding line system;
Fig. 2 is the schematic diagram that concerns between each master operation of casting system;
Fig. 3 is the schematic diagram of the enclosed V method mo(u)lding line system described in the embodiment;
Fig. 4 is the vertical view of the gigback of sandbox described in the embodiment;
Fig. 5 is that the A of Fig. 4 is to view.
Among Fig. 2-Fig. 5:
The specific embodiment
See also Fig. 2, this figure is the schematic diagram that concerns between each master operation of casting system.
The moulding operation is an operation in the Foundry Production, realize Foundry Production, except the moulding operation, main also have coremaking operation, core setting, molten metal melting operation, cast operation, foundry goods taking-up operation and sand processing (sand conditioning and regenerating used) operation etc. closely-related with it, above-mentioned operation constitutes a complete casting technique.Wherein, coremaking operation is used to make core; Core setting is used for core is put into the casting mold of making; The Metal Melting operation is used for the qualified liquid metal of melting; The cast operation is used for qualified liquid metal is transported to teeming line, and is injected into casting mold; Refrigerating work procedure is used to make the liquid metal solidification in the casting mold, and makes its temperature drop to setting; Shakeout operation is used to make foundry goods to separate with molding sand, and sends old sand back to the sand treatment process; Foundry goods takes out operation and is used for foundry goods is taken out, and is transported to down operation; The sand treatment process is used for loopback and the old sand of regenerating, and prepares fresh sand again by technological requirement simultaneously, and is delivered to the moulding operation.
Core of the present invention is the sandbox gigback of V method mo(u)lding line, specifies present embodiment below in conjunction with Figure of description.See also Fig. 3, this figure is the schematic diagram of the described closed loop V of present embodiment method mo(u)lding line system.
V method mo(u)lding line system as shown in Figure 3, the upper and lower half mould that modelling mechanism 10 makes enters mould assembling mechanism 30 and makes qualified casting mold after entering the first mould conveyer structure 21 successively and finishing down the core operation; The second mould conveyer structure 22 is used to carry integer (casting mold after upper and lower half mould lumps together), is sent on teeming line and the cooling line; Supporting plate gigback 40 is recycled to modelling mechanism 10 by supporting plate loopback shuttle 41 with supporting plate; Sandbox gigback 50 is recycled to modelling mechanism 10 successively with upper and lower sandbox after sandbox is transported to 60 sand fallouts of knockout mechanism; Knockout mechanism 60 with foundry goods with molding sand is sent into sand preparing system after molding sand separates; Foundry goods unloading device 70 takes out and is put into assigned address with foundry goods.
In this programme, the little sieve sand knockout mode of shaking of knockout mechanism 60 concrete employings; Modelling mechanism 10 is a disc type.Certainly, according to factory building inner space and other objective condition, modelling mechanism 10 can have other arrangement form, uses needs all in the scope that the application asks for protection as long as satisfy.Need to prove, the major function mechanisms such as modelling mechanism 10, mould conveyer structure 21 and 22, mould assembling mechanism 30, supporting plate gigback 40, knockout mechanism 60 and foundry goods unloading device 70 of the described V method of this programme mo(u)lding line system are same as the prior art, those of ordinary skill in the art can realize fully based on prior art, so repeat no more herein.Elaborate the composition and the annexation thereof of the described sandbox gigback 50 of present embodiment below in conjunction with accompanying drawing.
Please in the lump referring to Fig. 4 and Fig. 5, wherein, Fig. 4 is the vertical view of the described sandbox gigback of present embodiment; Fig. 5 is that the A of Fig. 4 is to view.Shown in the figure, sandbox gigback 50 mainly is made of sandbox loopback line 51, sand box hoisting bracket 52 and 53 3 parts of roller-way, this sand box hoisting bracket 52 can be carried out the orientation walking to be implemented in along roller-way 53 displacements between supporting plate loopback shuttle 41, knockout mechanism 60 and the sandbox loopback line 51.
Shown in the figure, the roughly linearly setting of roller-way 53, the head end of roller-way 53 places the top of supporting plate loopback shuttle 41, and its end places the top of sandbox loopback line 51 head ends, and roller-way 53 is by way of the top of knockout mechanism 60; Be to be understood that; restriction based on factory building inner space and other objective condition; existing between supporting plate loopback shuttle 41, knockout mechanism 60 and the sandbox loopback line 51 can't be along the situation of straight line setting; like this; roller-way 53 can be designed as corresponding bending-like, as long as the use needs of satisfied carrying sand box hoisting bracket 52 are all in the scope that the application asks for protection.
The end of sandbox loopback line 51 is used for connecting with modelling mechanism 10, recycles so that sandbox is recycled to modelling mechanism 10; Its operation principle and conveyer belt are basic identical.
The carriage 523 of sand box hoisting bracket 52 can move along roller-way 53, has the guide rod 521 of vertical setting on it and along guide rod 521 clamping component moving upwards and downwards 522; Have a pair of jaw 5221 hinged with its body on the hold assembly 522, like this, two jaws 5221 rotate in opposite directions and can realize opening, closed procedure.
Describe the sandbox returning method that uses aforementioned sandbox gigback below in detail.
In conjunction with shown in Figure 5, this mechanism can realize the loopback sandbox that circulates.At first, sand box hoisting bracket 52 places initial position, that is, the top of supporting plate loopback shuttle 41, jaw 5221 opens; Initial position was determined after system's assembling and setting was finished, and supporting plate loopback shuttle 41 carrying casting molds are to this position.Then, undertaken by the steps in sequence of following working cycles:
Step a, hold assembly along guide rod be displaced downwardly to need the position after, jaw 5221 closures, clamping drag box 82;
Step b, hold assembly along move on the guide rod need the position after, sand box hoisting bracket 52 moves to the top of knockout mechanism 60 along roller-way 53; After moving on the sandbox (cope 81 and drag box 82), the shuttle 41 of supporting plate gigback 40 can be recycled to modelling mechanism 10 with the supporting plate of keeping somewhere thereon 83.
Step c, hold assembly along guide rod be displaced downwardly to need the position after, jaw opens, cope 81 and drag box 82 place in the knockout mechanism 60.
Steps d, hold assembly along move on the guide rod need the position after, the closed clamping cope 81 of jaw; Hold assembly drive cope 81 along move on guide rod continues need the position after, sand box hoisting bracket 52 moves to the top of sandbox loopback line 51 along roller-way 53; At this moment, drag box 82 is kept somewhere in knockout mechanism 60 and is finished the drag box knockout.
Step e, hold assembly along guide rod be displaced downwardly to need the position after, jaw opens, cope 81 places on the sandbox loopback line 51;
Step f, hold assembly along move on the guide rod need the position after, sand box hoisting bracket 52 moves to the top of knockout mechanism 60 along roller-way 53, sandbox loopback line 51 is recycled to modelling mechanism 10 with cope 81;
Step g, hold assembly along guide rod be displaced downwardly to need the position after, jaw closure, clamping drag box 82;
Step h, hold assembly drive cope along move on the guide rod need the position after, sand box hoisting bracket 52 moves to the top of sandbox loopback line 51 along roller-way 53;
Step I, hold assembly along guide rod be displaced downwardly to need the position after, jaw opens, drag box 82 places on the sandbox loopback line 51;
Step j, hold assembly along move on the guide rod need the position after, sandbox loopback line 51 is recycled to modelling mechanism 10 with drag box 82, sand box hoisting bracket 52 moves to aforementioned initial position along roller-way 53;
So far finish a working cycles.
What specify is, the position that needs related in the said method is: hold assembly 522 is finished the position of the vertical direction of corresponding operating in corresponding steps, this position can be according to determining the different operating position shown in mark 522a, 522b, 522c, 522d and 522e double dot dash line among Fig. 5 after the appearance and size adjustment of sandbox.
In addition, the jaw 5221 that is used for the clamping sandbox opens or closed procedure can drive by the telescoping cylinder (not shown) and realizes, particularly, telescoping cylinder and jaw 5221 corresponding settings, its two ends are hinged with the body of jaw 5221 and hold assembly 522 respectively, and jaw 5221 opens or closure so that drive.Should be appreciated that this telescoping cylinder can adopt cylinder or oil cylinder.In fact, the opening of jaw 5221, closed procedure also can be realized by motor-driven or worm and gear transmission (not shown).
In addition, sand box hoisting bracket 52 each operating position and hold assembly 522 on roller-way 53 move down determining of opportunity, can realize that wherein, first travel switch is fixedly installed on the roller-way of knockout mechanism top by three travel switches and two buting iron (not shown)s; Second travel switch is fixedly installed on the described roller-way of sandbox loopback line head end top; First buting iron is fixedly installed on the described sand box hoisting bracket; When first buting iron pressed the roller of first travel switch or second travel switch, corresponding travel switch output control signal was used to control described hold assembly and moves down along guide rod; Wherein, the third trip switch is fixedly installed on the roller-way of supporting plate loopback shuttle top; Second buting iron is fixedly installed on the supporting plate loopback shuttle; When second buting iron pressed the roller of third trip switch, third trip switch output control signal was used to control hold assembly and moves down along guide rod.
Further, determining of the opening of the start and stop of hold assembly 522 upper and lower displacements and jaw 5221, closed opportunity, can control by travel switch or far infrared, also can control by position sensor, upper and lower operating position according to hold assembly is provided with corresponding position sensor, stretching out or regain with output control signal control telescoping cylinder; The sequencing (logical order) of each step action can realize that be understandable that, those of ordinary skill in the art can realize fully based on existing Electrical Control Technology, give unnecessary details so this paper no longer gives by electric control system.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. the sandbox gigback is used for the vacuum sealed molding wire system, it is characterized in that, comprising:
Sandbox loopback line, its end connects with the modelling mechanism of mo(u)lding line system, so that sandbox is recycled to modelling mechanism;
Sand box hoisting bracket has the guide rod of vertical setting and along described guide rod clamping component moving upwards and downwards; At least one pair of jaw of described hold assembly is hinged with the body of hold assembly respectively so that open, closed procedure; With
Roller-way, its head end places the top of supporting plate loopback shuttle, its end places the top of sandbox loopback line head end, and described roller-way is by way of the top of knockout mechanism, so that sand box hoisting bracket is carried out the orientation walking between described supporting plate loopback shuttle, knockout mechanism and sandbox loopback line.
2. sandbox gigback according to claim 1 is characterized in that described sand box hoisting bracket also has the telescoping cylinder of corresponding setting with jaw, and its two ends are hinged with the body of jaw and hold assembly respectively, and described jaw opens or closure so that drive.
3. sandbox gigback according to claim 2 is characterized in that, also comprises:
First travel switch is fixedly installed on the described roller-way of knockout mechanism top;
Second travel switch is fixedly installed on the described roller-way of sandbox loopback line head end top; With
First buting iron is fixedly installed on the described sand box hoisting bracket; And
When described first buting iron pressed the roller of first travel switch or second travel switch, corresponding travel switch output control signal was used to control described hold assembly and moves down along guide rod.
4. sandbox gigback according to claim 3, it is characterized in that, described sand box hoisting bracket also comprises position sensor, and described position sensor detects the upper and lower operating position of hold assembly and exports control signal and is used to control stretching out of described telescoping cylinder or regains.
5. use the sandbox returning method of the described sandbox gigback of claim 1, it is characterized in that sand box hoisting bracket places initial position: the top of supporting plate loopback shuttle, jaw opens, and is undertaken by the step of following working cycles:
Step a, hold assembly along guide rod be displaced downwardly to need the position after, jaw closure, clamping drag box;
Step b, hold assembly drive upper and lower sandbox along move on the guide rod need the position after, sand box hoisting bracket moves to the top of knockout mechanism along roller-way;
Step c, hold assembly along guide rod be displaced downwardly to need the position after, jaw opens, upper and lower sandbox places in the knockout mechanism;
Steps d, hold assembly along move on the guide rod need the position after, the closed clamping cope of jaw; Hold assembly drive cope along move on guide rod continues need the position after, sand box hoisting bracket moves to the top of sandbox loopback line along roller-way;
Step e, hold assembly along guide rod be displaced downwardly to need the position after, jaw opens, cope places on the sandbox loopback line;
Step f, hold assembly along move on the guide rod need the position after, sand box hoisting bracket moves to the top of knockout mechanism along roller-way, sandbox loopback line is recycled to modelling mechanism with cope;
Step g, hold assembly along guide rod be displaced downwardly to need the position after, jaw closure, clamping drag box;
Step h, hold assembly drive drag box along move on the guide rod need the position after, sand box hoisting bracket moves to the top of sandbox loopback line along roller-way;
Step I, hold assembly along guide rod be displaced downwardly to need the position after, jaw opens, drag box places on the sandbox loopback line;
Step j, hold assembly along move on the guide rod need the position after, sandbox loopback line is recycled to modelling mechanism with drag box, sand box hoisting bracket moves to initial position along roller-way;
So far finish a working cycles.
6. the vacuum sealed molding wire system comprises modelling mechanism, mould assembling mechanism, mould conveyer structure, knockout mechanism, supporting plate gigback and foundry goods unloading device, and aforementioned each mechanism sets gradually according to casting process; It is characterized in that, also comprise sandbox gigback as claimed in claim 1.
7. vacuum sealed molding wire system according to claim 6, it is characterized in that, described sand box hoisting bracket also has the telescoping cylinder of corresponding setting with jaw, and its two ends are hinged with the body of jaw and hold assembly respectively, and described jaw opens or closure so that drive.
8. vacuum sealed molding wire system according to claim 7 is characterized in that, also comprises:
First travel switch is fixedly installed on the described roller-way of knockout mechanism top;
Second travel switch is fixedly installed on the described roller-way of sandbox loopback line head end top; With
First buting iron is fixedly installed on the described sand box hoisting bracket; And
When described first buting iron pressed the roller of first travel switch or second travel switch, corresponding travel switch output control signal was used to control described hold assembly and moves down along guide rod.
9. vacuum sealed molding wire system according to claim 8, it is characterized in that, described sand box hoisting bracket also comprises position sensor, and described position sensor detects the upper and lower operating position of hold assembly and exports control signal and is used to control stretching out of described telescoping cylinder or regains.
10. according to Claim 8 or 9 described vacuum sealed molding wire system, it is characterized in that, also comprise:
The third trip switch is fixedly installed on the described roller-way of supporting plate loopback shuttle top; With
Second buting iron is fixedly installed on the supporting plate loopback shuttle; And
When described second buting iron pressed the roller of third trip switch, third trip switch output control signal was used to control described hold assembly and moves down along guide rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101685984A CN101637804B (en) | 2009-08-25 | 2009-08-25 | Sand box returning mechanism, returning method using same and vacuum casting line |
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| CN2009101685984A CN101637804B (en) | 2009-08-25 | 2009-08-25 | Sand box returning mechanism, returning method using same and vacuum casting line |
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| CN101637804A CN101637804A (en) | 2010-02-03 |
| CN101637804B true CN101637804B (en) | 2011-05-11 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP5464496B2 (en) * | 2010-08-03 | 2014-04-09 | 新東工業株式会社 | Vacuum mold casting line |
| CN102756097B (en) * | 2011-04-29 | 2014-11-26 | 齐齐哈尔轨道交通装备有限责任公司 | Casting modeling method and production system |
| CN104707944B (en) * | 2013-12-13 | 2017-02-15 | 中车齐齐哈尔车辆有限公司 | Casting molding sand production system and casting molding sand production method |
| CN106734963B (en) * | 2017-03-01 | 2018-11-09 | 十堰捷茂工贸有限公司 | A kind of thin wall class casting and its moulding line and method |
| JP6863313B2 (en) * | 2018-02-23 | 2021-04-21 | 新東工業株式会社 | How to prevent defects due to displacement of the cavity |
| CN111299520A (en) * | 2020-03-04 | 2020-06-19 | 广西玉柴机器股份有限公司 | Mechanical device and method for transmission link induction |
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| CN101218049A (en) * | 2005-05-10 | 2008-07-09 | 新东工业株式会社 | Apparatus and method for releasing flask of sand mold with flask already poured with molten metal |
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| CN101637804A (en) | 2010-02-03 |
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Address after: 161002 Qigihar City, Heilongjiang province Tiefeng District Plant Road No. 36 Patentee after: CRRC QIQIHAR VEHICLE CO., LTD. Address before: 161002 Qigihar City, Heilongjiang province Tiefeng District Plant Road No. 36 Patentee before: Qiqihar Railway Rolling Stock Co., Ltd. |
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