WO2018230886A1

WO2018230886A1 - Closed-loop sand reclamation-type system for producing castings, casting production monitoring system, and washing apparatus provided therein

Info

Publication number: WO2018230886A1
Application number: PCT/KR2018/006523
Authority: WO
Inventors: 이만식; 김경호; 백재호; 배민아; 강부윤
Original assignee: 한국생산기술연구원
Priority date: 2017-06-13
Filing date: 2018-06-07
Publication date: 2018-12-20
Also published as: CN110740825A; CN110740825B; WO2018230886A9

Abstract

The present invention relates to an economic closed-loop sand reclamation-type system for producing castings. Specifically, the system comprises: a mold-producing apparatus; a washing apparatus for recovering and washing waste casting sand from a sand-removing apparatus; a drying apparatus for drying the washed casting sand; and a storage-and-supply apparatus for supplying reclaimed sand to the mold-producing apparatus. Washing, drying and supplying are linked to and organically carried out during the operational period of the mold-producing process, and the closed-loop process of recovering and reclaiming casting sand and waste casting sand is carried out continuously, thereby allowing reclaimed sand to be more economically obtained and used in the mold-producing apparatus.

Description

Specification

Name of invention: Waste recycling recycled casting manufacturing system and casting manufacturing monitoring system and washing apparatus provided therein

[I] The present invention relates to a casting manufacturing system using a sand mold, which is a sand reclamation casting manufacturing system in which sand for casting can be collected, recycled, and continuously supplied from a production site into a waste circulation structure. It is about.

[2] The present invention also relates to a mixer for mixing sand and binder and a molding apparatus for manufacturing a mold or core using the same.

[3] The present invention is related to the recycling of waste foundry sand, and it relates to a waste foundry sanding apparatus for printing, disintegration and washing waste foundry sand for the recycling of waste foundry sand.

Background

[4] Casting is a liquid in which the material is heated at a temperature above its melting point.

It is a process of injecting and hardening liquid materials into molds, and the type used for casting is called mold, and the product made by casting is called casting.

[5] Fig. 1 is a drawing for explaining schematically a general casting process.

Is shown.

[6] Referring to the drawings, a casting process includes a molding process for forming a mold or a mold and a core, a molding process for combining a manufactured mold, a mold, and a core to form a space in which a liquid material is injected; The injection process includes the injection of molten material into the space formed by the molding, the dismantling of the mold after the injection of the injected material, and the post-treatment of the casting separated from the mold.

On the other hand, the molding process and the shaping process are performed by a molding machine.

[8] The molding machine includes a hopper for yarns, a shaker for mixing yarns and binders, a blowing head for injecting the twist yarns generated by the shaker into the mold, and a mold or mold and a steam It is configured to include a mold to mold.

[9] The mold manufactured by the molding machine is transferred to a casting apparatus, and

The molding of the water takes place through the injection process where the material is injected into the mold.

[10] After the molding is completed, the casting hardening process is performed, and the hardened casting is separated and then transferred to the dedusting machine through the mold dismantling process.

[I I] The deburring machine uses the method of vibration desalination or hammering decolumling.

The waste foundry sand is removed from the casting, and the foundry from which the waste foundry sand has been removed is completed by the post-treatment process of washing and drying.

[12] On the other hand, as the industry's high growth increases, the demand for quality of castings increases. High quality castings are required, which are suitable for the quality of the castings. However, there is a limit to the domestic output of high quality castings, which increases the dependence of imported castings and increases the price of the castings.

[13] In order to solve the above problems, various technologies have been researched and developed to recover waste foundry sand.

[14] As an example, Korean Patent Registration No. 10-1428424, "Recovery Processing System for Castings," proposes a recovery processing system for coolant treatment of the recovery yarns used in the casting work.

[15] And the Republic of Korea Patent No. 10-206607 "Recycling method of waste foundry sand and its

Apparatus "discloses a technology that enables the recycling of waste molding sand by washing the waste molding sand of the damaged mold after the end of the mold operation, and recycling the adhesive from the waste molding sand. "Induced interfacial separation between casting sand and caking agent using ultrasonic waves using a binder fixed on the surface of waste casting sand, the system can minimize the number of surface treatments and integrate a multi-step process to improve process efficiency.

[16] In addition, Korean Patent No. 10-0760646 "Method of manufacturing reclaimed sand using waste foundry sand" is a method of manufacturing recycled sand by recycling waste cast sand bound by chemical reaction of soda silicate and co ₂ gas when producing a casting mold. As described above, various types of waste sand recycling technologies are being researched and developed.

[17] However, the waste foundry produced during the manufacturing process of the casting is not only difficult and limited to be processed by the Environmental Conservation Act, but also requires a lot of cost in the regeneration process. Is being processed depending (Patent Document 1) KR10-1428424 B1, (Patent Document 2)

KR10-206607 B1, (Patent Document 3) KR10-1173053 B1, (Patent Document 4) KR 10-0760646 B1 Detailed description of the invention

Technical task

[18] The purpose of the present invention is to provide a waste recycling recycled casting manufacturing system that can effectively reduce the cost of yarn required for the manufacture of castings.

[19] Another object of the present invention is to recycle recycled sand, rather than recycled sand produced.

It is to provide a waste recycling recycled casting manufacturing system that can be effectively utilized.

[20] Another object of the present invention is to provide a molding apparatus that can be used for temperature and humidity management.

[21] Another object of the present invention is to provide a molding apparatus that can enjoy the cost and dust generation required for the supply of yarn as the kinetics are achieved at a relatively low installation height from the ground.

[22] The object of the present invention is to continuously clean and clean the waste foundry sand.

It is to provide a waste sand washing device which can disinfect the cleaner without finishing the washing process. [23] Another object of the present invention is to provide a waste casting washer that forms one or more washing spaces, in which the disintegration process is carried out in the initial washing space and the washing and moving in the last washing space. .

Task solution

[24] The present invention provides a method for producing castings, including molding equipment, casting equipment, and desorption devices.

In the foundry manufacturing system, at least a washing apparatus for washing the waste foundry sand recovered from the molding apparatus or degassing apparatus, a drying apparatus for drying the sand washed through the washing apparatus to generate reclaimed sand, and the reclaimed sand is accommodated. In addition, a storage and supply device for supplying the reclaimed sand to the molding apparatus is further provided, and the washing, drying and supplying are at least interlocked with the molding process performed by the molding apparatus.

[25] The present invention provides a method for producing castings, including molding equipment, casting equipment, and desorption devices.

In the foundry manufacturing system, at least a washing apparatus for washing the waste foundry sand recovered from the molding apparatus or degassing apparatus, a drying apparatus for drying the sand washed through the washing apparatus to generate reclaimed sand, and the reclaimed sand is accommodated. Further, a storage and supply device for supplying the reclaimed sand to the molding apparatus is further provided, and the washing, drying and supplying are continuously performed.

[26] In the storage and supply apparatus, when the total amount of foundry sand required for the manufacture of molds is supplied, the total amount of recycled yarns having the total amount required is stored. It is characterized by the fact that more than the shortage of yarn is included in the total supply, and if the recycled yarn is not stored, the total supply is covered by the yarn.

[27] In another aspect, the present invention relates to a casting manufacturing system for producing a casting, including a molding apparatus, a casting apparatus, a desorption device, and at least the molding apparatus or

A washing apparatus for washing the waste foundry sand recovered from the desalination apparatus, a drying apparatus for generating recycled sand by drying the sand washed by the washing apparatus, and the reclaimed sand is accepted, and supplying the received recycled sand to the molding apparatus. The storage and supply equipment for the present invention is further provided, and the recovery, regeneration and supply of waste foundry are sequentially performed repeatedly through the washing, drying and supplying process.

[28] In another aspect, the present invention provides a molten metal in a mold manufactured using a molding sand.

Recycling means for producing reclaimed sand by washing and drying waste foundry sand recovered from one or more of a molding apparatus for forming a mold or a desalting device that separates the formed casting and waste foundry in injection molding system And a storage and supply device for providing the reclaimed yarn receiving space, and supplying the reclaimed yarn to the molding apparatus, wherein the storage and supply device provides at least the total amount of foundry sand for the manufacture of the mold. It is characterized by the provision of a blended yarn of reclaimed yarn and yarn, including yarns with a shortage of reclaimed yarns.

[29] The storage and supply apparatus includes a reclaimed yarn accommodating part for accommodating recycled yarns, a yarn accommodating part formed on one side of the regenerated yarn accommodating part for accommodating yarn, and a regenerated yarn in communication with the regenerated yarn accommodating part and a yarn accommodating part. And a common accommodation portion into which yarns are introduced.

Effects of the Invention

[30] According to the present invention, the waste casting sand produced during the manufacturing process of the casting is manufactured.

The process of directly recovering and reclaiming the waste in the field and supplying the recycled waste sand as a raw material for the production of the mold can be repeated.

In other words, in the present invention, the waste foundry can be repeatedly recovered, regenerated and supplied along the wastewater circulation path, thereby providing a casting manufacturing system with high utilization of the waste foundry.

[32] In addition, in the present invention, the washing device constituting the sand regeneration means can continuously discharge the cleaned washing sand without ending the washing process. As the reclaimed sand is housed in the storage and supply unit after drying, a series of processes to recover, store and supply the waste foundry sand can be carried out continuously.

[33] In addition, the molding apparatus of the present invention has a structure for simultaneously performing the kneading process and the filling process of the kneader, so that kneading can be performed during the kneading process of the kneading yarn, which is required for the production of water. Can be shortened.

Therefore, in the present invention, the raw materials needed in the molding process can be actively utilized as waste casting sands generated in the production process of castings, thereby reducing the consumption of yarns, thereby greatly reducing the production cost.

[35] The molding apparatus according to the present invention has a kneader installed in parallel with the ground.

The kneading process takes place in the transverse direction, so that the process for manufacturing the cone or the core can be performed at a relatively low height relative to the conventional technology, thereby improving workability.

[36] In particular, in the process of supplying the yarn to the kneader, as the height of the hopper is lowered, it is possible to supply the yarn without the air pump, thereby significantly reducing the dust generated during the supply of the yarn.

[37] In addition, the kneader according to the present invention can reduce the exposure to the air in the stirring process, and the quality kinematics can be continuously discharged as the mixing and feeding of raw materials are performed continuously.

[38] According to the present invention, waste injection sand flows into a washing tank in which a certain amount of washing liquid is received, and the introduced waste casting sand passes through the first washing tank and the second washing tank. In addition, in the second washing tank, the washing machine is moved simultaneously with the washing by a plurality of blades rotating along the second axis of rotation, which causes the washing machine to be cleaned without completing the washing process. You can copy it.

[39] In other words, the waste casting washing apparatus according to the present invention has the advantage of being able to continuously perform a regeneration operation.

In addition, in the waste casting washing apparatus according to the present invention, in addition to adjusting the speed of the motor, the washing speed can be controlled through the circulation of the cleaning liquid.

In other words, in the waste casting washing apparatus according to the present invention, the first washing tank and the washing liquid tank form a pure environment path of a fluid including a circulating pump, and the washing liquid can be circulated through such a path to change the washing speed.

Brief description of the drawings

1 is a view for schematically explaining a general casting process.

FIG. 2 is a diagram schematically showing the configuration of a waste recycling recycled casting manufacturing system according to the present invention. FIG.

3 is a view showing an embodiment of a molding apparatus of the main component of the present invention.

4 is a photograph showing how the casting process is performed in the present invention.

5 is a photograph showing an embodiment of a desalination apparatus according to the present invention.

6 is a photograph showing an embodiment of a washing apparatus according to the present invention.

7 and 8 show an embodiment of a washing apparatus and a drying apparatus, which are the main components of the main component personnel regenerating means of the present invention. ·

9 shows an embodiment of a storage and supply apparatus, which is a main component of the present invention.

10 shows another embodiment of a storage and supply apparatus, which is a main component of the present invention.

11 is a view showing an embodiment of a waste casting cleaning apparatus according to the present invention.

12 is a view showing in more detail the structure of a second washing tank, which is a main component of the present invention.

FIG. 13 is a view for explaining the cleaning liquid circulation structure of the present invention. FIG.

14 is a view for schematically explaining a general casting process.

FIG. 15 is a diagram schematically showing a control structure of a casting manufacturing monitoring system according to the present invention; FIG.

FIG. 16 is a view for explaining an embodiment of a mold manufacturing process performed using a casting manufacturing monitoring system according to the present invention. FIG.

[57] Figure 17 is performed using a casting manufacturing monitoring system according to the present invention

Drawing to illustrate one embodiment of the casting process.

18 is performed using a casting manufacturing monitoring system according to the present invention.

Figure showing one embodiment of a cleaning process.

19 is performed using a casting manufacturing monitoring system according to the present invention.

Figure showing one embodiment of a drying process. 20 shows an embodiment of a storage and supply means which is a main component of the present invention.

[61] Figure 21 is performed using a casting manufacturing monitoring system according to the present invention

Figure showing one embodiment of the supply process.

[62] symbols of cotton

[63] 100 ........ Molding apparatus 200 ........ Casting apparatus

[64] 300 ........ desalination apparatus 400 ........ regeneration apparatus

[65] 500 ........ Dryer 600 ........ Storage and Feeder

Mode for Carrying Out the Invention

Hereinafter, specific embodiments of the present invention will be described with reference to the drawings. However, the spirit of the present invention is not limited to the described embodiments, and those skilled in the art who understand the spirit of the present invention are within the scope of the same idea. Other embodiments may be readily presented. In addition, in this specification and claims, “or / and” is defined to include each and every combination of one or more of the items mentioned.

2 shows the configuration of a waste recycling recycled casting manufacturing system according to the present invention.

A schematic drawing is shown.

Referring to the drawings, in a casting manufacturing system for manufacturing a casting by injecting molten metal into a mold manufactured by using a molding sand, the present invention is to recover the waste foundry sand generated in the manufacturing process to recover and re-supply it By providing the waste circulation environment path, we provide waste recycling recycled casting manufacturing system.

[69] To this end, in the present invention, for the purpose of manufacturing a mold or core

Waste molding sand is recovered from the molding apparatus 100.

3 shows an embodiment of a molding apparatus which is a main component of the present invention.

Referring to these drawings, in the present embodiment, the molding apparatus 100 is formed of a mold or a core.

A plurality of hoppers supplied with raw materials for manufacture and a mixer (120) for mixing the supplied raw materials to enable continuous discharge, and the discharge from the shaker (120)

Blower head 140 and blowing plate 150 for layering kneading yarn on mold 190, hot air head 160 for curing mold or core manufactured by mold 190 and control of each of the above configurations The control unit 180 is included.

In detail, the plurality of hoppers are sand feed hoppers 112 and promoters, respectively.

It is divided into feed hopper 114 and binder supply hopper 116.

It can be in communication with the kneader 120 to reduce the exposure of the raw material in the supply of raw materials.

The kneader 120 is for mixing kneaded raw materials to generate kneading yarns and for continuously discharging the kneading yarns formed. It is mixed while transferring the raw materials in the horizontal direction.

To this end, in the inner space of the shaker 120, a shake shaft 121 rotated by the shake motor 122 and a kneading blade group 126 formed on the outer surface of the shake shaft 121 are provided. Included.

[75] The blade blade group 126 is formed of a plurality of blade blades, various

It is formed to have a size and is arranged to have a predetermined slope based on the axial direction of the kneading shaft 121.

That is, the kneading blade group 126 controls the mixing and feeding of raw materials by using the slant and the size of the kneading blade, and has a predetermined blade placement pattern for this purpose.

In the present embodiment, the blade blade group 126 is as shown in FIG. 4.

The common shaft 121 is divided into six installation spaces in the length direction, and each installation space is arranged in accordance with the size and size. ᅳ

[78] The feed pattern for conveying the largest distance while stirring the raw materials is formed in the ^ space 67 ^ installation ^ intermediate installation space ① and installation interval ④ of the kinematic shaft (121).

[79] The installation space ① and the installation space ④ are positioned to bisect the kinematic shaft 121, and are arranged at intervals between blades having the longest length and a 45 ° flag among the plurality of blades. It is arranged as "A2" in the installation space ④ as "A1".

Here, the blade corresponding to the "A1", "A2", is formed so as to be adjacent to the inner surface of the kneader 120 to effectively transfer the raw material, in the following for the convenience of description, the "transfer blade," .

[81] In the meantime, transfer is performed in the remaining installation spaces 1 to 6 where the transfer blades are installed

The blades are shorter than the blades and have a variety of inclination angles. A number of blades are formed, and for convenience of description, this is called a 'universe blade'.

The kneading blade is configured for effective stirring of the kneading yarn in a limited kneading space, and is formed at various inclination angles in the range of 30 ° to 75 ° in this embodiment.

The kneading blade includes a delay pattern in which the slant is formed in the reverse direction with the transfer blade and a stirring pattern in which the slant is formed in the same direction. The feed of the kneader can be assisted by having the knives blades installed in the same direction.

In other words, the common blade installed in the same direction as the transfer blade is

Depending on the slope, there is a difference in the feed distance of the twister, and the backing blade installed in the reverse direction of the feed blade is used to hold the kinematic yarn without moving in the direction of transport in order to increase the sand and binder or / and the promoter. Function is performed.

Therefore, according to the present embodiment, it is possible to reduce the exposure to the external air during the stirring process, and to maintain the quality tracer as the mixing and the feeding of the raw materials are continuously performed Can be emitted continuously.

In addition, one side of the shaker 120 is further provided with a cleaning means 124 provided to be openable and closed for cleaning the internal space.

And, the blower head 140, which is connected to the kneader 120 and layered on the shaker, is selectively adhered to one end of the shaker 120 while reducing the exposure of the external air, while the shaker blower head ( 140).

To this end, the discharging portion of the kneader 120 is formed with a discharging portion (not shown in FIG. ¾) with the size of the upper portion of the blower head 140, and the discharging portion is formed at the upper end of the blower head 140. The inlet portion is formed to include a predetermined buffer member so as to be in close contact with the portion. .

Further, at the lower end of the blower head 140, there is further provided a blowing plate 150 for blowing the kneads layered on the blower head 140 into the mold 190. The blower head 140 is further provided. When the kneading yarn filling is completed, the kneading yarn filling is performed after the blower head 140 moves to the upper side of the mold 190.

[90] After the filling of the kneader is completed, the blower head 140 moves to the lower side of the mixer 120, and the hot air head 160 connected through the blower head 140 and the connecting frame 172 is mold (190). To the top of the

To this end, the blower head 140 and the hot air head 160 are connected to the first connection frame 172 to be rotatable together, and a center of rotation is formed at the central part of the first connection frame 172. Which is connected with the fixed shaft 171 to

The second connecting frame 174 is provided.

In addition, one side of the second connection frame 174 may further include a head replacement cylinder 176 so that the blower head 140 and the thermal head 160 may be fixed according to a change in the length of the head replacement cylinder 176. 171) can be rotated to the revolving position.

The mold 190 has a fixed mold 192 for maintaining a fixed position and

Selective mold narrowing by movable mold cylinder 196 to fixed mold 192

It includes a moving mold 194 and is supported by the mold support frame 132 to maintain a predetermined height from the ground.

In the molding apparatus 100 having the above-described configuration, as described above, the shaker 120 is formed horizontally, that is, formed to be long in the horizontal direction, thereby securing sufficient stirring time, and using the control unit 180, a kneading motor. By controlling the rotation of the 122, adjustment of the feed amount of the kneader can be made easier. _,

In addition, as the shaker 120 is installed in the horizontal direction as described above, the overall height of the molding apparatus 100 according to the present invention is increased from the support height of the mold 190 to the blower head 140 and the blowing plate ( The height of 150 and the height of the mixer 120.

Thus, the sand feed hopper 112 can supply regenerated yarn or yarn without an air pump, thereby preventing dust generation due to the supply of regenerated yarn or yarn. In the molding apparatus 100 according to the present invention, a fluid flow path for temperature and humidity management is formed.

That is, in the molding apparatus 100 according to the present invention from the creation of the kneading yarn to the mold 190

Temperature control is possible through fluid flow control during the process of filling mud sand, and it is possible to continuously supply mud sand while minimizing external air exposure. .

On the other hand, the mold or core generated through the molding apparatus 100 to the casting apparatus 200

The transfer process is carried out, and the casting process is performed, Figure 4 is a picture showing the appearance of the casting process is performed in the present invention, Figure 5 is a photo showing an embodiment of the desalination apparatus according to the invention ¾.

Referring to the attached picture, the casting apparatus 200 forms the molten metal M using the heating furnace 210 and the molten bucket 220, and the formed molten metal M is manufactured into a mold 240. After casting, the mold is hardened to produce a casting. The casting produced through the casting process as described above is transferred to the desalination apparatus 300 together with the mold.

The degassing apparatus 300 separates the casting by removing the waste casting sand from the casting transferred with the mold.

To this end, the desorption apparatus 300 includes a main frame 320 forming a desorption part 310 for separating the casting in a state where the mold is attached, and a vibration provided at one side of the main frame 320. Vibration motor 340 for generating a and a buffer member 360 for performing vibration attenuation is provided on one side of the main frame 320 is configured.

On the other hand, the casting from which the waste foundry sand is separated from the degassing apparatus 300 is transferred to the aftertreatment apparatus 10 to form a casting product through washing and drying.

In addition, the waste foundry sand separated from the casting is similar to the molding apparatus 100.

It is recovered and transferred to the sand regeneration means, and a transfer means may be further provided between the desalination apparatus 300 and the sand regeneration means.

The conveying means may be configured to include a transfer motor, a feed pulley and a conveyor belt, and one side of the conveyor belt is disposed below the detachment part 310 to be disposed in the drop molding part 310. And, the other side of the conveyor belt is connected to the waste injection inlet (410, Fig. 7) provided in the washing device 400, which is a main component of the sand regeneration means to be described below, the waste casting sand generated during the desalination process Can be recovered automatically.

On the other hand, it is recovered from the molding apparatus 100 or / and the desorption apparatus 300 described above

The waste foundry sand goes through a washing process in the washing apparatus 400 for regeneration.

7 to 8 show an embodiment of a washing apparatus and a drying apparatus, which are main components of the reclaiming means according to the present invention.

* The sand recycling means washes and dries the waste casting sand through a washing and drying process to produce the recycled sand. For this purpose, the sand recycling means includes a washing apparatus 400 and It comprises a drying apparatus 500.

In the present embodiment, the washing apparatus 400 is the molding apparatus 100 or / and

The waste foundry sand recovered by the desalination apparatus 300 is supplied through the waste foundry sand inlet 410, and the supplied waste foundry sand is washed in multiple times using the first washing tank 420 and the second washing tank 440.

Then, the first and second washing tanks 420 and 440 are filled with a predetermined amount of washing liquid, and the washing liquid is supplied by the washing liquid tank 460.

In detail, the washing device 400 according to the present invention is the first washing tank 420, the second washing tank 440 and the washing liquid tank 460 are communicated with each other, the second washing tank 440 is the washing liquid It is provided between the tank 460 and the first washing tank 420.

That is, as shown in FIG. 7, the second washing tank 440 is positioned below the first washing tank 420 and the washing liquid tank 460, and thus the first washing tank 420 and the washing liquid tank 460. The second washing tank 440 is formed to have a lengthwise length in relation to the height thereof.

In addition, one side of the second washing tank 440 is provided with a washing agent having completed washing.

A washing thread discharge portion 480 is further formed for discharge, and the washing discharge portion 480 is further provided with a discharge valve 482 for selective discharge of the washing thread.

On the other hand, the waste casting inlet 410 is formed so that the upper portion having a relatively large diameter, the induction of the smooth inlet of the waste casting, the bottom is in communication with the first washing tank 420. That is, the waste casting sand The waste casting sand introduced through the inlet 410 is accommodated in the first washing tank 420.

And, as described above, the cleaning liquid tank 460 and the first washing tank 420;

The second washing tank 440 is in communication with each other to maintain a state in which the washing liquid is filled, and the washing liquid tank 460 and the first washing tank 440 are provided at the same height as each other so that the layered washing liquid moves at the same level.

In the above state, the waste foundry inlet introduced through the waste foundry inlet 410 may be used.

It is accommodated together with the washing liquid in the first washing tank 420, and disintegration and primary washing are carried out by a blade provided inside the first washing tank 420.

[117] are specifically associated with eu the first wash tank 420, the ^"first wash motor 421 furniture is rain, the machine 1 washing motor 421 neunje first reduction gear 423 for generating a rotational force side unexpected injury The first motor portion is formed.

The first reducer 423 reduces the rotation speed of the first washing motor 421.

In a configuration for delivery to the blade, it is connected with a plurality of blades for washing using a first rare axis 422 and a first extension axis 424.

The plurality of blades includes a first blade 425 and a second blade 426 provided on both left and right sides based on the first rotation shaft 422.

The first blade 425 is formed to be inclined toward the first rotational shaft 422 so as to block the waste molding sand and to dispose of the first washing tank 420. The second blade 426 is placed horizontally with the bottom to be transported to the bottom of the first washing tank 420 while the waste molding sand is crushed, disintegration and washed.

On the other hand, a perforated plate 450 is further provided between the first washing tank 420 and the second washing tank 440. The perforated plate 450 is less than a predetermined size in the first washing tank 420.

Disintegration and primary washed waste sand are filtered and supplied to the second wash tank 440.

The second washing tank 440 is less than the primary washing thread passed through the perforated plate 450.

In a configuration for effectively washing, the washing space is formed in a direction crossing the first washing tank 420, and the length of the horizontal direction is longer than the height as described above.

To this end, the second washing tank 440 is equipped with a second rotating shaft 442 rotated by the second washing motor 441 and the second rotating shaft 442 to perform the second washing. Multiple blades are provided for moving.

The second washing motor 441 is provided on an outer side of the second washing tank 440.

The second reduction shaft 443 is connected to the second rotation shaft 442.

The second reducer 443 uses the second washing motor 441 and the gear ratio.

In order to reduce the rotation speed of the second rotary shaft 442, it can be coaxially coupled with the second rotary shaft 442.

And, the blade coupled to the second rotary shaft 442 is relatively narrow

The moving blade 446 having a rotation radius and the moving delay blade 444 having a wider rotation radius than the moving blade 446 are divided.

The movable blade 446 is configured to perform a smooth transfer of the cleaner together with the washing of the primary washed cleaner, and is formed in a sickle shape having a predetermined radius of curvature.

In addition, the movable blade 446 is provided as a pair of symmetrical to each other in a diagonal direction with respect to the second rotary shaft 442, the end portion and the outer surface of the second rotary shaft 442

Are located adjacent.

The moving delay blade 444 is configured to delay the movement of the cleaner so that the cleaner can be washed for a longer period of time inside the second washing tank 440, and has a predetermined radius of curvature. The shape becomes narrower toward the second rotation shaft 442 in the shape, and is provided in pairs symmetrically in the diagonal direction with the second rotation shaft 442 as the center.

That is, the moving delay blade 444 is formed in a similar shape to the moving blade 446 but has a relatively wide rotation radius, and is installed in a direction intersecting with the moving blade 446. do.

[131] Thus, with the moving delay blade 444 installed on the second rotary shaft 442,

The moving blade 446 forms an "X" shape as a whole (hereinafter referred to as 'blade combination,' In the space inside the second washing tank 440, a plurality of them are positioned to stir different areas.

In detail, the moving delay blades 444 and the moving blades 446, which are installed in the above blade combinations, are arranged in various numbers according to the inner space as shown in FIG.

One blade combination is installed to have some overlapping copper lines with the other blade combinations.

In addition, each blade combination improves washing efficiency by allowing different washing and conveying coverages.

[134] For the convenience of explanation, the 1 blade combination and the center of the blade are

When the second blade combination and the left side are referred to as the third blade combination, the blade angles of the first blade combination and the third blade combination are formed in a range of 0 ° to 270 °, and the blade angle of the second blade combination is 180 °. It is formed in the range of ~ 90 °.

[135] Therefore, the movement of the cleaner is delayed by overlapping areas in the process of passing the cleaner from the first blade assembly to the second blade combination and from the second blade combination to the third blade combination. With much stirring, the cleaning efficiency can be improved.

In addition, the moving delay blade 444 has a smaller area in contact with the washing yarn than the moving blade 446, and a contact area is formed near the inner surface of the second washing tank 440.

In contrast, the movable blade 446 has an area in contact with the cleaner.

It is wider than the moving delay blade 444 and is in contact with the washing thread in the vicinity of the second rotary shaft 442.

Due to the shape and installation structure as described above, in the second washing tank 440, the washing blade positioned near the second rotating shaft 442 may receive a large amount of relative work by the movable blade 446. This results in a relatively long range of cleaners moving.

In addition, in the case of the washing machine located on the bottom of the second washing tank 440, a relatively small amount is brought into contact with the moving delay blade 444, whereby the washing agent is stirred in place or is relatively short. By having the travel distance, the cleaner's stay time can be secured enough.

In addition, in the present embodiment, in the case of the first blade combination, the end of the blade is partially cut or formed to have a shorter length, so that the washing liquid and the cleaner are used to rotate the motor part (second reducer 443 and second wash motor). To 441).

In addition, although the sealing member 452 is installed in the motor unit, the drain 454 may be further formed to discharge the washing liquid and the washing thread introduced into the motor unit, thereby preventing the load of the motor unit. do.

On the other hand, when the washing is completed in the second washing tank 440 at the same time washing It is gradually moved and accommodated in the washing thread discharge unit 480.

To this end, the washing thread discharge unit 480 is formed so as to communicate with one end lower side of the two washing tanks 440, and when the washing machine of a certain amount is accommodated through the opening and closing operation of the discharge valve (482). Accepted cleaners may be distributed with a certain amount of cleaning.

Then, the discharge through the discharge valve 482 in the washing thread discharge unit (480)

The flushing liquid can be added to the flushing tank 460 automatically or manually to maintain the water level.

The washing liquid tank 460 is provided on one end of the second washing tank 440, and a plurality of washing liquid tanks 460 are disposed at a lower end of the washing liquid tank 460 adjacent to the second washing tank 440. Sensor is equipped.

The plurality of sensors includes at least an electrical conductivity sensor 466, which is measured

If the electrical conductivity is within the effective range according to the repeated experiments, it can be confirmed that an effective cleaning is achieved.

In addition, the cleaning liquid tank 460 may be further equipped with a pH sensor 464 and a temperature sensor 462.

The pH sensor determines the washing efficiency through the hydrogen ion index of the washing liquid, and when combined with the electrical conductivity sensor 466 and the temperature sensor 462, it is possible to judge the washing efficiency more effectively.

On the other hand, one side of the first washing tank 420 is further provided with a circulation inlet portion 492 through which the cleaning liquid is introduced to adjust the washing speed in addition to the control of the second washing motor 441. In 492, the washing liquid tank 460 or an external fluid source is connected to the circulation pump 496 to circulate the washing liquid so that the washing speed can be adjusted through the flow of the washing liquid.

For this purpose, a separate circulating discharge part 494 may be further provided in the rinse liquid tank 460 to discharge the rinse liquid for circulation.

In the present embodiment, the first washing tank 420 and the washing liquid tank 460 and

In addition, see-through windows 471, 472, 473, and 474 are respectively formed in the 12 washing tanks 440 and the flushing discharge portion 480 so that the washing process can be checked externally.

Hereinafter, the operation of the waste casting cleaning device according to the present invention having the above configuration will be described.

[153] In the waste casting washing machine according to the present invention, the washing liquid tank (460) and

Waste washing sand is introduced through the waste casting sand inlet 410 in a state in which washing liquid is laminated in the first washing tank 420 and the second washing tank 440.

[154] Influent waste foundry sand 1425 (425) of different shapes and functions;

Disintegration and primary washing by the second blade 426;

The perforated plate 450 is transferred to the second perforated plate 450, and only the washing thread having a predetermined granularity or less is transferred to the second washing tank 440. The primary washing thread passing through the perforated plate 450 includes a moving delay blade 444 rotating by the second rotating shaft 442 in the second washing tank 440.

Secondary washing by the moving blade 446 allows for progressive movement. In this case, as the blade combinations have overlapping areas, the residence time can be increased in the overlapping area and more agitation can be performed to improve the washing efficiency.

As described above, the cleaner which has passed through all the blade combinations during the second washing is transferred to the washing chamber 480, and the washed cleaner is discharged according to the opening / closing operation of the discharge valve 482. The cleaning process can be maintained in the process, allowing for continuous cleaning.

Meanwhile, in the present invention, the washing speed may be adjusted according to the demand of the foundry sand or the cleaning quality required by the molding apparatus 100.

For example, in the present invention, the washing speed may be improved by adjusting the rotation speeds of the first washing motor 421 and the second washing motor 441, and in this case, the energy required for washing may be increased relatively. do.

Thus, the first washing tank 420 and the washing liquid tank 460 or the other without the rotational speed control of each washing motor (421, 441) in another way to enjoy energy consumption

The cleaning rate can be improved by connecting the cleaning tank 420 and the external fluid source to a circulation passage including a circulation pump 496 and circulating the fluid.

On the other hand, the washing company discharged through the waste casting sand washing apparatus as described above is moved to the drying apparatus through a moving means and dried to generate reclaimed sand.

[161] Here, the waste casting sand washing apparatus according to the present invention is carried out at the time of drainage and washing.

As a result, the cleaner can be drained continuously, thus improving the productivity of the recycler. .

9, the drying apparatus 500 includes a microwave oven 520.

Was applied, the transfer means is a dry transfer belt 544, and the dry transfer belt 544 to guide the washing four (Ws) discharged from the cleaning device 400 to pass ^through, the microwave oven 520 Dry feed motor 542 for rotation and

And a dry feed pulley 546.

That is, the washing machine (Ws) washed through the washing device 400 is

The reclaimed sand (Rs) is dried by the microwave oven (520) along the drying transfer belt (544), and the regenerated sand (Rs) thus produced is housed in the storage and supply device (600). Refurbished.

9 is a view showing an embodiment of a storage and supply device, which is a main component of the present invention, and FIG. 10 is a view showing another embodiment of a storage and supply device, a main component of the present invention. It is.

[165] Referring to these drawings, the storage and supply device 600 according to the present invention recovers recycled sand (Rs) recovered from the production site by recycling the waste foundry sand generated in the manufacturing process of each device described above and the casting using the same. For supplying and supplying reclaimed sand (Rs) As a result, the molding sand required by the molding apparatus 100 is supplied.

In detail, the storage and supply device 600 includes a reclaimed sand inlet 620 into which the reclaimed sand Rs fed from the drying apparatus 500 is introduced, and a space for reclaimed sand Rs.

A regenerated yarn accommodating part 640 to be formed and a yarn accommodating part 660 formed on one side of the regenerated yarn accommodating part 640 to accommodate yarns are provided to define a space for accommodating yarns and regenerated yarns.

In addition, the reproduction acceptor 640 and the yarn acceptor 660 each have

Sand supply means 690 for supplying recycled yarn and yarn to the molding apparatus 100 is connected, and the sand supply means 690 is recycled yarn supply means 692 and yarn, respectively.

Feeding means 694. Here, the sand feeding means 690 is described above.

As with the conveying means, it may be of a type including a conveyor.

On the other hand, in another embodiment of the present invention, the storage and supply means 600 is configured to further have a mixed accommodation portion 680 below the recycled yarn receiving portion 640 and the yarn receiving portion 660.

The mixed accommodating part 680 includes the regenerated accommodating part 640 and the yarn accommodating part 660.

The regenerated yarn and yarn can be communicated with each other, and the reclaimed yarn and yarn accommodated therein are supplied to the sand supplier 112 through the sand supply means 690.

For this purpose, the lower ends of the reproducing accepting unit 640 and the yarn receiving unit 660 are

If the supply of reclaimed yarn stored in the reclaimed receptacle 640 does not reach the total amount of foundry sand required for the manufacture of the mold, the yarn is additionally communicated with the common receptacle 680 through opening and closing means (not shown). Stratified

The sand supply means 690 may be supplied to the sand supply portion 112.

In other words, the present invention recycles the waste foundry sand recovered directly at the foundry's manufacturing site, supplies the recycled sand as a raw material for the mold for manufacturing the next casting, and supplies the total amount of foundry sand required for the recycled sand. If sufficient, molds or cores are manufactured using only reclaimed sand.

On the other hand, when the reclaimed yarn accommodated in the storage and supply device 600 does not meet the total amount of the required molding sand, the yarns supplied to the yarn accommodating _{portion 694 may} be supplied to the yarn containing _{portion 694 by} supplying more than the regenerated yarn to form a mold or core. The recycled yarn can be actively utilized, thereby reducing the consumption of yarn required to manufacture the casting.

[173] On the other hand, during the first operation of the present invention, the yarns are supplied in layers to supply the total amount of molding yarns required by the yarn receiving unit 694. After the initial supply, the waste casting sands are recycled as described above. The casting process is repeated to produce castings.

Referring to the drawings, in the present embodiment, the molding apparatus 100 includes a plurality of hoppers to which raw materials are supplied for the manufacture of a mold or a core, and a vibrator for allowing continuous discharge by mixing the supplied raw materials. ), A blower head 140 and a blowing plate 150 for filling the kinematic yarns discharged from the kneader 120 into the mold 190 and then for curing the mold or the steam produced by the mold 190. Hot Air Head (160) and A control unit 180 for controlling each of the above components is included.

In detail, the plurality of hoppers are sand feed hoppers 112 and a promoter, respectively.

It is divided into feed hopper 114 and binder supply hopper 116.

The kneader 120 mixes the raw materials accommodated therein to generate the kneading yarns, and continuously produces the kneading yarns. The kneading machine 120 is formed to have a lengthwise direction longer than the height thereof and is introduced into the inner space. Mix the raw materials by feeding them horizontally.

To this end, the inner space of the shaker 120 includes a shake shaft 121 that is rotated by the kneading motor 122 and a shake blade group 126 that is formed on an outer surface of the shake shaft 121. do.

The kneading blade group 126 is formed of a plurality of kneading blades, and various

In other words, the blade blade group 126 controls the mixing and feeding of raw materials using the blade and the size of the blade blade, and has a predetermined blade and placement pattern for this purpose. _.

In the present embodiment, the blade blade group 126 is as shown in FIG.

The spindle shaft 121 is divided into six installation spaces in the length direction, and arranged in each installation space according to the size and tilt.

In detail, the installation space ① and the installation space among the six installation spaces divided by the kinematic shaft 121.

(4) A feed pattern is formed to feed the largest distance while stirring the raw materials.

[182] The mall installation space ① and the installation space ④ are positions bisecting the kinematic shaft 121 and are arranged at intervals between blades having the longest length and a slope of 45 ° among the plurality of blades. It is arranged in the installation space ④ as "A2" of 4.

Here, the blade corresponding to the "A1" "A2" is formed so as to be adjacent to the inner surface of the trachea 120 to effectively transfer the raw material, hereinafter referred to as "feed blade" for convenience of description. .

On the other hand, transfer is performed in the remaining installation spaces ① to ⑥ in which the transfer blade is installed.

A number of blades are formed that are shorter than the blades and have a variety of inclination angles. For convenience of explanation, this is called a 'universe blade'.

The kneading blade is configured for effective stirring of the kneading yarn in the limited kneading space, and is formed at various inclination angles in the range of 30 ° to 75 ° in this embodiment.

The shake blade includes a delay pattern in which the slant is formed in a reverse direction with the transfer blade, and a stirring pattern in which the slant is formed in the same direction. Accordingly, one of the six installation spaces can be supplemented by feeding the kneader by installing the kneading blade in the same direction as the transfer blade.

That is, the kneading blade installed in the same direction as the transfer blade is

There is a difference in the movement distance of the kneader according to the slope, and the kinematic blade installed in the reverse direction of the feed blade does not move the kneader in the feeding direction in order to increase kneading with the yarn and the binder or / and the promoter. Perform the function.

Therefore, according to the present embodiment, exposure to external air can be taken out during the kneading process, and quality kinematic yarns can be continuously discharged as the mixing and feeding of raw materials are performed continuously.

Further, at one side of the shaker 120, there is further provided a cleaning means 124 provided to be openable and closed for cleaning the internal space.

And, the blower head 140, which is connected to the kneader 120 and filled with the kneader, is selectively adhered to one end of the kneader 120 to reduce the exposure of the external air while the kneader blower head ( 140).

To this end, the discharge portion of the vibrator 120 has a discharge portion (not shown) is formed in a size that is opposite to the top of the blower head 140, the discharge portion on the top of the blower head 140 The inlet portion is formed to include a predetermined buffer member to be in close contact with it.

Further, at the lower end of the blower head 140, there is further provided a blowing plate 150 for blowing the kneaded yarn filled in the blower head 140 into the mold 190. The blower head 140 is further provided. When the firing sand layer is completed, the filling of the firing thread is performed after the blower head 140 moves to the upper side of the mold 190.

After the filling of the kneader is completed, the blower head 140 is moved to the lower side of the kneader 120, and the hot air head 160 connected to the blower head 140 and the connecting frame 172 is mold (190). The clothes move to the side.

To this end, the blower head 140 and the hot air head 160 are connected to the first connection frame 172 to be rotated together, and a center of rotation is formed at a central portion of the first connection frame 172. Which is connected with the fixed shaft 171 to

The second connecting frame 174 is provided. .

In addition, one side of the second connection frame 174 is further provided with a head replacement cylinder 176 according to the change in the length of the head replacement cylinder 176 blow head 140 and the thermal head 160 fixed shaft 171 Position can be moved by rotating

The mold 190 has a fixed mold 192 for maintaining a fixed position and

Optionally shaped by a movable mold cylinder 196 to a stationary mold 192

It includes a moving mold 194 and is supported by the mold support frame 132 to maintain a predetermined height from the ground. In the molding apparatus 100 having the above-described configuration, as described above, the shaker 120 is formed horizontally, that is, formed to be long in the horizontal direction, thereby securing sufficient mixing time, and using the control unit 180, the shake motor. By controlling the rotation of the 122, adjustment of the supply amount of the kneader can be made easier.

In addition, as the shaker 120 is installed in the horizontal direction as described above, the overall height of the molding apparatus 100 according to the present invention is lowered from the support height of the mold 190.

The height of the head 140 and the blowing plate 150 and the height of the kneader 120.

[199] Thus, the sand feed hopper 112 can be supplied without the air pump yarn.

This prevents dust from occurring due to yarn supply.

And, the molding apparatus 100 according to the present invention is a fluid of the temperature and humidity control

Flow path formed r

13 shows a channel structure for temperature and humidity management of a molding apparatus according to the present invention.

A schematic drawing is shown.

Referring to the drawings, the vibrator 120 is adjacent to the position where the raw material is supplied.

The coolant inflow hole 120a through which coolant is introduced is formed in the portion, and the coolant discharge hole 120b is formed in the portion adjacent to the difference where the scaly sand is discharged.

In addition, the 넁 angular water inflow hole (120a) and the cooling water discharge hole (120b) is connected through a cooling flow path of the type that winds up the kneader (120), the cooling flow path one side circulating pump (not shown) By being provided, the pure environment path of cooling water is formed in the shaker 120. .

Accordingly, by circulating the coolant through the pure environment path of the coolant as described above, the temperature of the inner space can be adjusted during the stirring process, and a temperature sensor (not shown) is further provided on one side of the inner space of the shaker 120. By receiving the temperature sensing information through the controller 180, more effective temperature and humidity management can be achieved.

In addition, the coolant and the pure environment, such as the blower head 140 and blowing

It is also formed in the plate 150.

That is, even in the case of the blower head 140, the coolant inlet hole 140a and the coolant

The cooling flow path is formed in the form of winding the blower head 140 by forming the discharge hole 140b, and may be configured to be connected to the circulation pump.

In addition, in the case of the blowing plate 150, as shown in FIG.

Cooling water inlet hole (150a) and the cooling water discharge hole (150b) is formed, and the cooling flow path and

Circulating pumps can be used to create a cooling environment.

On the other hand, according to the present invention by forming a net environment of the cooling water as described above

In the molding apparatus 100, temperature control is possible through flow control of the fluid during the process of generating the kneader from the kneader to the mold 190, and the kneader can be continuously supplied while minimizing the external air exposure. This has the advantage that continuous production of good quality molds or cores is possible.

[209] In the molding apparatus for performing the casting process, the kneading machine is filled with a mold. Waste molding sand may be generated in the process, and such waste molding sand is collected and moved to the waste casting sand recycling apparatus according to the present invention.

Then, the mold or core generated through the molding apparatus is moved to the casting apparatus to perform a casting process, and the casting generated through the casting process is moved to the desalination apparatus together with the mold.

The desorption device separates the casting by removing the waste casting sand from the casting moved together with the mold, and the casting from which the waste casting sand is separated is moved to a post-treatment apparatus to form a casting product through washing and drying.

Then, the waste foundry sand separated from the foundry is recovered in the same way as the molding apparatus and moved to the waste foundry sand regeneration apparatus according to the present invention.

FIG. 11 is a view showing an embodiment of a waste casting washing apparatus according to the present invention, and FIG. 12 is a view showing in more detail the structure of a second washing tank, which is a main component of the present invention. 13 is a view for explaining the washing liquid circulation structure of the present invention.

[214] Referring to these drawings, the waste casting cleaning apparatus according to the present invention is provided through the waste casting inlet 410 through the waste casting sand recovered from the molding apparatus and / or the desalting apparatus.

The supplied waste foundry sand is multi-washed using the first washing tank 420 and the second washing tank 440.

Then, the first and second washing tanks 420 and 440 have a predetermined amount of washing liquid, and the washing liquid for this is supplied by the washing liquid tank 460.

[216] In detail, the waste casting sand washing apparatus according to the present invention includes a first washing tank 420.

The second wash tank 440 and the wash liquid tank 460 communicate with each other.

The giant 12 wash tank 440 is provided between the wash liquid tank 460 and the first wash tank 420.

That is, as shown in FIG. 11, the second washing tank 440 is positioned below the first washing tank 420 and the washing liquid tank 460 to clean the first washing tank 420 and the washing liquid tank 460. The second washing tank 440 is formed to have a lengthwise length in relation to the height thereof.

In addition, one side of the second washing tank 440 below the washing is completed washing.

A washing thread discharge portion 480 is further formed to discharge, and the washing thread discharge portion 480 is further provided with a discharge valve 482 for selective discharge of the cleaning agent.

On the other hand, the waste casting inlet 410 is formed so that the upper portion has a relatively large diameter, the smooth inflow of the waste casting is induced, the lower portion is in communication with the first washing tank 420. That is, the waste casting sand The waste casting sand introduced through the inlet 410 is accommodated in the first washing tank 420.

And, as described above, the washing liquid tank 460 and the first washing tank 420 and

The second washing tank 440 is in communication with each other to maintain a state in which the washing liquid is layered, and the washing liquid tank 460 and the first generation chuck tank 440 are filled with each other at an elevated height. The cleaning liquid moves up to the same level.

In the above state, the waste foundry sand introduced through the waste foundry sand inlet unit 410 is accommodated together with the cleaning liquid in the first washing tank 420 and crushed by a blade provided inside the first washing tank 420. Disintegration and primary washing.

In detail, an outer upper side of the first washing tank 420 is provided with a first washing motor 421 for generating rotational power, and the first washing motor 421 is connected to the first reducer 423. 1 Motor part is formed. .

In a configuration for delivery to the blade, it is connected with a plurality of blades for cleaning using a first axis of rotation 422 and a first axis of extension 424.

The plurality of blades includes a first blade 425 and a second blade 426 respectively provided on both left and right sides of the first rotating shaft 422.

The first blade 425 is formed to be inclined toward the first rotating shaft 422 to collect the waste molding sand and collect it into the first washing tank 420 augmented portion while dissolving and disintegration and washing. The second blade 426 is placed horizontally with the bottom to transfer the waste foundry sand to the lower portion of the first washing tank 420 while disintegration and washing.

On the other hand, a perforated plate 450 is further provided between the first wash tank 420 and the second wash tank 440. The perforated plate 450 is less than a predetermined size in the first wash tank 420.

In a configuration for effectively washing, the washing space is formed in a direction crossing the first washing tank 420, and the length of the horizontal direction is longer than that of the height as described above.

To this end, the second washing tank 440 is provided with a second rotating shaft 442 and a second rotating shaft 442 which are rotated by the second washing motor 441, and perform the second washing while performing the second washing. Multiple blades are provided for moving.

The second reduction shaft 443 is connected to the second rotation shaft 442.

The second rotary shaft 442 may penetrate the second washing tank 440 in the horizontal direction.

The second reducer 443 is installed at the end of the second rotary shaft 442.

The second reduction gear 443 may use the second washing motor 441 and the gear ratio.

And, the blade coupled to the two rotating shafts (442) is relatively narrow

A moving blade 446 having a rotation radius and a second delay blade 444 having a wide rotation radius compared to the moving blade 446 are distinguished from each other. The movable blade 446 is configured to perform a smooth transfer of the cleaner together with the washing of the primary washed cleaner, and is formed in a sickle shape having a predetermined radius of curvature.

In addition, the moving blade 446 is provided as a pair of symmetrical to each other in a diagonal direction with respect to the second rotary shaft 442, the end portion and the outer surface of the second rotary shaft 442

Are located adjacent.

The movement delay blade 444 delays the movement of the cleaner so that the cleaner can be washed for a longer period of time inside the second washing tank 440. For this purpose, the movement delay blade 444 has a predetermined curvature. Sickle with radius _. The area is narrower toward the second axis of rotation 442 in the form of a sickle, and is provided in pairs symmetrically in the diagonal direction about the second axis of rotation 442:

That is, the moving delay blade 444 is formed similarly to the moving blade 446 but the overall shape is formed to have a relatively wide rotation radius, in the direction crossing the moving blade 446 Is installed.

[237] Therefore, with the moving delay blade 444 installed on the second rotating shaft 442,

The moving blades 446 form an "X" shape as a whole (hereinafter referred to as a 'blade combination'), and a plurality of moving blades 446 are positioned to alternate different areas in the inner space of the second washing tank 440.

In detail, the moving delay blades 444 and the moving blades 446 installed in the above-described blade combinations are installed in multiple numbers according to the inner space, as shown in FIG. 25. It is installed to have some overlapping copper lines with the remaining blade combinations.

[239] In addition, each blade combination improves washing efficiency by allowing different washing and conveying coverages.

[240] * For convenience of description, the first blade combination on the right is based on 25 and the center is

[241] Therefore, the movement of the cleaner is delayed by overlapping areas in the process of passing the cleaner from the first blade assembly to the second blade combination and from the second blade combination to the third blade combination. As more stirring takes place, the cleaning efficiency can be improved.

In contrast, the movable blade 446 has an area in contact with the cleaner.

It is wider than the moving delay blade 444 and is in contact with the washing thread in the vicinity of the second rotary shaft 442. Due to the shape and installation structure as described above, in the second washing tank 440, the washing blade located near the second rotation shaft 442 is relatively in contact with the movable blade 446. This will give you a relatively long drive distance.

Further, in the case of the cleaner located at the bottom of the second washing tank 440, the relatively small amount is brought into contact with the moving delay blade 444, whereby the cleaner is stirred in place or relatively. By having a short travel distance, the residence time of the cleaner can be fully secured.

In addition, in the present exemplary embodiment, in the case of the first blade combination, the end portion of the blade is cut at a predetermined portion or formed to have a short length, as shown in FIG. Reduce transfer to the secondary (including second reducer 443 and second wash motor 441).

In addition, although the sealing member 452 is installed in the motor unit, the drain portion 454 may be further formed to discharge the washing liquid and the washing thread introduced into the motor unit. To be.

On the other hand, the washing is completed in the second washing tank 440 is gradually accommodated in the washing and discharge unit 480 while being moved at the same time.

For this purpose, the washing thread discharge unit 480 is formed to communicate with one end lower side of the second washing tank 440, the inside of the discharge valve 482 through the opening and closing operation when a certain amount of washing machine is accommodated therein. Accepted cleaners may be distributed with a certain amount of cleaning.

Then, the discharge through the discharge valve 482 in the washing discharge portion 480

The washing liquid tank 460 is provided at one end of the second washing tank 440, and a plurality of washing liquid tanks 460 are disposed at a lower end of the washing liquid tank 460 adjacent to the low washing tank 440. Sensor is equipped.

The plurality of sensors include at least an electrical conductivity sensor 466, which is measured

If the conductivity falls within a certain range, it can be confirmed that effective cleaning is achieved.

In addition, the washing liquid tank 460 may be further equipped with a pH sensor 464 and a silver sensor 462.

The pH sensor determines the cleaning efficiency through the index of hydrogen of the cleaning liquid, and when the pH sensor is comprehensively judged together with the electrical conductivity sensor 466 and the temperature sensor 462, it is possible to determine more effective cleaning efficiency.

On the other hand, in addition to the control of the second washing motor 441, one side of the first washing tank 420 is further provided with a circulating inlet portion 492 through which the washing liquid is introduced to adjust the washing speed. 492) the cleaning liquid tank 460 or the external fluid A source can be connected to the circulating pump 496 to circulate the wash liquor so that the wash rate can be controlled through the flow of the wash liquor.

To this end, the circulating liquid tank 460 may be further equipped with a separate circulating discharge unit 494 to discharge the rinsing liquid for circulation.

The sight glass (471, 472, 473, 474) is further formed in the lower washing tank (440) and the washing thread discharge part (480) so that the washing process can be checked externally.

[259] In the waste casting washing apparatus according to the present invention, first, the washing liquid tank (460) and

In the state in which the washing liquid is filled in the first washing tank 420 and the second washing tank 440, waste casting sand is introduced through the waste casting injection inlet 410.

[260] The first injections of the used waste castings of different shapes and functions (425) and

Disintegration and primary washing by second blade 426

The perforated plate 450 is transferred to the second perforated plate 450, and only the washing thread having a predetermined granularity or less is transferred to the second washing tank 440.

In the second washing tank 440, the first washing thread passing through the perforated plate 450 is performed.

A moving delay blade 444 rotating by the second rotary shaft 442 and

The secondary blade is gradually moved by the washing blade 446, and as the blade combination has an overlapping area, the residence time is increased in the overlapping area and more stirring is performed, thereby improving washing efficiency.

As described above, the cleaner which has passed through all the blade combinations is transferred to the cleaning part ₄₈₀ while the second cleaning is performed, and the transferred cleaner is discharged according to the opening / closing operation of the discharge valve 482. The cleaning process can be maintained in the process, allowing for continuous cleaning.

On the other hand, the present invention provides two methods for improving the washing speed.

First, in the present invention, the washing speed can be improved by adjusting the rotation speeds of the first washing motor 421 and the second washing motor 441, and in this case, the energy required for the washing operation is increased relatively. do.

Therefore, the first washing tank 420 and the washing liquid tank 460 or the first washing tank 420 and the external fluid supply source without controlling the rotational speed of each washing motor 421 and 441 as a method for reducing energy consumption. The cleaning rate can be improved by connecting a circulation passage containing a circulation pump 496 and circulating the fluid.

On the other hand, the washer discharged through the waste casting sand washing apparatus as described above is moved to the drying apparatus through the drying means to generate a reclaimed sand by drying, and the waste casting sand washing apparatus according to the present invention is carried out at the time of discharging and washing. Therefore, the productivity of reclaimed sand can be improved because the sand can be sprayed continuously.

15 shows a control structure of a casting manufacturing monitoring system according to the present invention. A schematic drawing is shown.

[268] Referring to the drawings, the present invention relates to the working environment of each process for the manufacture of castings.

Control is provided to detect changes and to improve work environment changes as needed based on the detection information.

Here, the change in the working environment affects the quality of the worker or the casting during the process in which the work is performed, in addition to the items listed by the physical change of one or more of temperature, air pollution, humidity, and noise generated during each process. All possible physical environmental changes could be included in the detection of the present invention.

On the other hand, the casting manufacturing monitoring system according to the present invention receives and shows the change in the working environment of the operation from the device for performing each process, and integrated monitoring for transmitting control commands based on the detection information to the device. OPC server is included for the transmission of device and sensing information and control signals.

[271] Hereinafter, the main composition of the present invention will be described by the main processes for casting production.

2 to 3 show drawings for explaining the structure of a molding apparatus, which is a main component of the present invention, and FIG. 14 illustrates a casting manufacturing process performed by using a casting manufacturing monitoring system according to the present invention. The drawings for explaining the embodiments are shown.

[273] Referring to these drawings, in the present embodiment, the molding apparatus 100 is formed of a mold or a core.

A plurality of hoppers to which raw materials are supplied for manufacture, and a kneader 120 which mixes the supplied raw materials to allow continuous discharge, and is discharged from the kneader 120.

Blower head 140 and blowing plate 150 for filling knots into mold 190, hot air head 160 for curing mold or core manufactured by mold 190 and control of each of the above configurations. The control unit 180 is included.

It is divided into feed hopper 114 and binder supply hopper 116.

In communication with the shaker 120, it is possible to reduce the exposure of the air during the supply of raw materials.

[275] The kneader 120 is intended to generate kneading yarns by mixing raw materials contained therein, and to continuously produce the kneading yarns formed therein. Mix the raw materials by feeding them horizontally.

To this end, the inner space of the kneader 120 includes a kneading shaft 121 rotated by the kneading motor 122, and a kneading blade group 126 formed on the outer surface of the kneading shaft 121. do.

[277] The kneading blade group 126 is formed of a plurality of kneading blades.

It is formed to have a size and is arranged to have a predetermined group based on the axial direction of the needle shaft 121.

That is, the kneading blade group 126 controls the mixing and feeding of raw materials by using the slant and the size of the kneading blade. Have

In the present embodiment, the blade group 126 is as shown in FIG.

The common shaft 121 is divided into six installation spaces in the length direction, and arranged in each installation space according to the size and the tilt.

In detail, the installation space ① and the installation space of the six installation space divided into the kneading shaft 121

The installation space ① and the installation space ④ are positioned to bisect the kneading shaft 121, and are arranged at intervals of blades having the longest length and a slope of 45 ° among the plurality of blades. As shown in "A1" in Fig. 4, the installation space ④ is arranged as "A2".

Here, the blade corresponding to the "A1" "A2" is formed so as to be adjacent to the inner surface of the shaker 120 to effectively transfer the raw material, hereinafter referred to as "feed blade" for convenience of description. .

[283] Meanwhile, transfer is performed in the remaining installation spaces ① to ⑥ in which the transfer blade is installed.

The shake blade is configured to effectively stir the kneading yarn in a limited shake space, and is formed at various inclination angles in the range of 30 ° to 75 ° in this embodiment.

The vibration blade includes a delay pattern in which the slant is formed in the reverse direction with the transfer blade, and a stirring pattern in which the slant is formed in the same direction, and one of six installation spaces is disposed in the same direction as the transfer blade. By allowing the blades to be installed, the feed of the needles can be assisted.

There is a difference in the movement distance of the kneader according to the construction, and the kneading blades installed in the reverse direction of the transfer blade are held without moving the kneader in the direction of transport to increase the kneading ability between the yarn and the binder or / and the promoter. Note performs a function.

Therefore, according to the present embodiment, it is possible to reduce the exposure to the external air in the stirring process, and the quality shaker can be continuously discharged as the mixing and feeding of the raw materials are continuously performed.

In addition, one side of the shaker 120 is further provided with a cleaning means 124 provided to be openable for cleaning the internal space.

And, the blower head 140, which is connected to the kneader 120 and straddles the kneader, is selectively adhered to one end of the kneader 120 to reduce the exposure of the external air while the kneader knives blower head ( 140).

For this purpose, the discharge portion of the shaker 120 is opposed to the upper end of the blower head 140. A discharge portion (not shown) is formed in size, and an inflow portion is formed at an upper end of the blower head 140 to include a predetermined buffer member to be in close contact with the discharge portion.

Further, at the lower end of the blower head 140, there is further provided a blowing plate 150 for blowing the kneaded yarn layered on the blower head 140 into the mold 190. In the blower head 140, When the kneading yarn filling is completed, the kneading yarn is danced after the blower head 140 moves to the upper side of the mold 190.

After the filling of the kneader is completed, the blower head 140 is moved to the lower side of the shaker 120 again, and the hot air head 160 connected to the blower head 140 and the connecting frame 172 is a mold (190). The clothes move to the side.

To this end, the blower head 140 and the hot air head 160 are connected to the first connection frame 172 to be rotatable together, and a center of rotation is formed at a central portion of the first connection frame 172. Which is connected with the fixed shaft 171 to

Second connection frame 174 is provided

In addition, one side of the second connection frame 174 is further provided with a head replacement cylinder 176 according to the change of the length of the head replacement cylinder 176 blower head 140 and the thermal head 160 is fixed shaft (171) Position can be moved by rotating

The mold 190 includes a fixed mold 192 which maintains a fixed position.

Selective mold narrowing by movable mold cylinder 196 to fixed mold 192

In the molding apparatus 100 having the above-described configuration, as described above, the shaker 120 is formed horizontally, that is, formed to be long in the horizontal direction, thereby securing sufficient kneading time, and using the control unit 180, the shake motor. By controlling the rotation of the 122, adjustment of the supply amount of the kneader can be made easier.

In addition, as described above, as the kneader 120 is installed in the horizontal direction, the overall height of the molding apparatus 100 according to the present invention is changed from the height of the support of the mold 190 to the blower head 140 and the blowing plate ( The height of 150 and the height of kneader 120.

Therefore, the sand supply hopper 112 can be supplied without the air pump yarn, thereby preventing dust generation due to the yarn supply.

[299] In addition, the molding apparatus 100 according to the present invention provides a method for controlling the temperature and humidity of a fluid.

Flow paths are formed.

In detail, the vibrator 120 in a portion adjacent to the position where the raw material is supplied

The coolant inflow hole 120a through which the coolant is introduced is formed, and the coolant discharge hole 120b is formed in a portion adjacent to the position where the scald is discharged.

And, the cooling water inlet hole (120a) and the cooling water discharge hole (120b) is connected through a cooling flow path of the type winding the kneader 120, a circulation pump (not shown) on one side of the cooling flow path The coolant path of the coolant is Is formed.

Accordingly, the temperature of the inner space can be adjusted during the stirring process by circulating the coolant water through the pure environment path of the coolant as described above, and a temperature sensor (not shown) is further provided on one side of the inner space of the kneader 120. And, by receiving the temperature sensing information through the control unit 180, more effective temperature and humidity management can be achieved.

In addition, as the net environment of the cooling water as described above, the blower head 140 and blowing

It is also formed in the plate 150.

In addition, in the case of the blowing plate 150 as shown in FIG.

Cooling water inlet hole (150a) and the cooling water discharge hole (150b) is formed, and the cooling flow path

Circulating pumps can be used to create a cooling environment.

The pure environment of the coolant formed as described above can manage silver flow through the control of fluid flow during a series of processes in which the kneading sand is formed and the kneading sand is stacked in the mold (190), and the external air exposure is minimized. The possibility of continuous production of high quality molds or cores is possible by continuously supplying the yarns.

On the other hand, one side of the shaker 120 for measuring the temperature of the inner space

The sensing means 710 is further equipped.

The sensing means 710 detects the temperature of the inner space of the shaker 120 and transfers the sensing information to the control unit 180 during the stirring, and the control unit 180 integrates the above-described operation through the OPC server. The temperature information inside the vibrator 120 is transmitted to the monitoring device.

The information transferred to the integrated monitoring apparatus as described above may be displayed through the display, and the control for circulation of the coolant to the molding apparatus 100 when the silver detection range in the mixer 120 is higher than the set temperature. You can pass a command.

[310] To this end, the display of the integrated monitoring device is in the form of a touch screen.

On the display, there is shown a button in the form of an icon corresponding to each water cycle control command.

[311] And, although not shown, the blower head 140 and blowing

. The plate 150 may be further provided with sensing means for sensing the diagram, and similar to the above-mentioned shaker 120, the control may be performed by passing the sensing information to the integrated monitoring device and circulating the coolant.

That is, in this embodiment, the molding process detects the temperature change of one or more of the shaker 120, the blower head 140, and the blower plate 150 through the sensing means 710, and the detection result is integrated monitoring. It is delivered to the device and is carried out by a molding step in which the integrated monitoring device allows the brightness to be adjusted for configurations requiring improvement of the temperature environment according to the detection result. Meanwhile, in the molding apparatus 100 having the structure as described above, waste molding sand may be generated in the process of striking the sand in the mold 190. Such waste molding sand may be collected to the waste casting sand regeneration apparatus 700 to be described below. Transferred.

The mold or core generated through the molding apparatus 100 is transferred to the casting apparatus 200.

The transfer process is carried out, the casting process is carried out, Figure 4 is a photo showing the casting process is performed in the present invention, Figure 5 is an embodiment of the casting process performed using the casting manufacturing monitoring system according to the present invention A drawing is shown to illustrate.

Referring to these drawings, the casting apparatus 200 forms the molten metal M using the heating furnace 210 and the molten bucket 220, and the formed molten metal M is manufactured into a mold 240. After injecting, it hardens to produce a casting.

On the other hand, in the present invention for the temperature detection on one side of the casting device 200

The sensing means 720 is further equipped.

The sensing means 720 is configured to determine whether the worker is performing work around the mold, and senses the temperature around the mold and transmits the temperature to the integrated monitoring apparatus.

In addition, the integrated monitoring apparatus may determine whether the injection starter of the molten metal M is located around the mold based on the temperature information detected by the sensing means 720, and the operator may inject the molten metal M. When located near the mold, the control command for stopping the injection of the molten metal M is transmitted to the casting apparatus 200.

Therefore, it is possible to prevent the safety accident of the worker by the molten metal M in the casting process.

That is, in this embodiment, the casting process is performed at least through the sensing means 720.

^'Is detected, the temperature changes around the molding apparatus is performed by the step of casting to be delivered by the integrated monitoring unit, and, if the injection of the molten metal (M) by the integrated monitoring unit based on the detection result.

The casting produced through the casting step as described above is transferred to the desalination apparatus 300 together with the mold.

FIG. 17 is a view for explaining an embodiment of a degassing process performed using a casting manufacturing monitoring system according to the present invention.

The degassing apparatus 300 is for separating the castings by removing the waste casting sand from the castings transferred together with the molds, and forming a main frame 310 for separating the castings with the molds attached thereto. 320, a vibration motor 340 provided at one side of the main frame 320, and a seamless member 360 provided at one side of the main frame 320 to perform vibration attenuation. It is configured by.

In addition, a dust collector equipped with a sensing means 730 is further provided around the degassing apparatus 300. The sensing means 730 is configured to detect air pollution around the degassing apparatus 300, and transmits sensing information to the integrated monitoring apparatus.

The dust collector sucks contaminated air using the suction motor 25 and sucks the

Air is filtered and discharged through a filter.

To this end, the dust collector and the case 22 to form an internal space,

A suction part which is provided on one side of the case 22 and sucks contaminated air based on the suction input generated by the suction motor 25, and a filter for filtering contaminated air introduced into the case 22. And a discharge unit 15 for discharging the air filtered through the filter 50 to the outside.

The filter 50 is detachably mounted by the filter cover 11 provided to be opened and closed on the case 22 so that replacement and cleaning operations can be performed.

Meanwhile, in the integrated monitoring apparatus, the sensing means 730 is transferred.

Based on the air pollution information, it is determined whether the dust collector is driven.

In other words, when the desalination process is performed to increase the air pollution around the degassing apparatus 300, the sensing information is transmitted to the integrated monitoring apparatus, and the air pollution degree exceeds the set range in the integrated monitoring apparatus. In this case, the polluted air can be filtered by transmitting a driving command to the dust collector.

To this end, an icon corresponding to a driving command of the dust collector may be further shown on the display of the integrated monitoring apparatus.

That is, in the present embodiment, the desalination process is performed at least by the sensing means 730.

Atmospheric contamination around the degassing apparatus 300 is detected and transmitted to the integrated monitoring apparatus, and is performed by a degassing step in which a dust collector is driven and controlled by the integrated monitoring apparatus according to the detection result.

On the other hand, the casting from which waste foundry sand is separated from the degassing apparatus 300 is transferred to a post-treatment apparatus 10 (see FIG. 1) to form a casting product through washing and drying.

In addition, the waste foundry sand separated from the casting is the same as the molding apparatus 100.

Recovered and transported to the washing apparatus 400, a transfer means may be further provided between the desalting apparatus 300 and the washing apparatus 400 for this purpose.

The conveying means may be configured to include a transfer motor, a feed pulley and a conveyor belt, and one side of the conveyor belt is disposed below the detachment part 310 to be disposed in the drop casting part 310. In order to be seated, the other side is connected to the waste casting injection inlet 410 (see FIG. 11) of the washing apparatus 400, which will be described below, so that the waste casting generated during the desalting process can be automatically recovered.

The above-mentioned molding apparatus 100 or / and the waste foundry sand recovered from the degassing apparatus 300 are passed through the drying apparatus 500 after washing in the washing apparatus 400 for regeneration, and the drying apparatus 500. Regenerators produced via storage and storage are described below.

It is received by the supply device 600 and is supplied back to the molding device 100.

[337] Figure 18 is performed using a casting manufacturing monitoring system according to the present invention A drawing showing one embodiment of a cleaning process is shown.

[338] Referring to these drawings, the washing apparatus 400 according to the present invention is a waste casting sand.

1 washing tank 420 for the waste casting sand introduced through the inlet 410 and

Multiple washes using 12 wash tanks (440).

The first and second washing tanks 420 and 440 are filled with a predetermined amount of washing liquid, and the washing liquid for this is supplied by the washing liquid tank 460.

In detail, in the present embodiment, the washing apparatus 400 communicates with the first washing tank 420, the second washing tank 440, and the washing liquid tank 460, and the second washing tank 440 is the washing liquid. It is provided between the tank 460 and the crab 1 washing tank 420.

That is, as shown, the second washing tank 440 is positioned below the first washing tank 420 and the washing liquid tank 460 to connect the first washing tank 420 and the washing liquid tank 460.

The second washing tank 440 is formed to have a lengthwise length in relation to the height.

In addition, one side of the second washing tank 440, the washing is completed washing is completed

A washing thread discharging part 480 is further formed to discharge, and the washing thread discharging part 480 is further provided with a discharge valve 482 for selective discharging of the washing company.

On the other hand, the waste casting inlet 410 is formed so that the upper portion has a relatively large diameter, the smooth inflow of the waste casting is induced, the bottom is in communication with the first washing tank 420. That is, the waste casting sand The waste casting sand introduced through the inlet 410 is accommodated in the first washing tank 420.

And the washing liquid tank 460 and the first washing tank 420 as described above;

The second washing tank 440 is in communication with each other to maintain a state in which the washing liquid is layered, and the washing liquid tank 460 and the first washing tank 440 are provided at the same height as each other to achieve the same level of washing liquid filling.

In the above state, the waste foundry inflow through the waste foundry inlet 410 is

In detail, an outer upper side of the first washing tank 420 is provided with a first washing motor 421 for generating rotational power, and the first washing motor 421 is connected to the first reducer 423. 1 Motor part is formed.

The configuration for delivery to the blade is connected to a plurality of blades for cleaning using a first axis of rotation 422 and a first axis of extension 424.

The plurality of blades includes a first blade 425 and a second blade 426 which are provided on both left and right sides of the first rotational shaft 422.

The first blade 425 is formed to be inclined toward the first rotating shaft 422 to collect the waste molding sand and collect it into the center of the first washing hank 420 while disintegration and washing. The second blade 426 is placed horizontally with the floor The waste foundry sand is crushed, disintegration and washed while being transported to the bottom of the first wash hank 420.

The washing space is formed in the direction intersecting the first washing tank 420 in a configuration for effectively washing, and the length of the horizontal direction is longer than the height as described above.

The second washing motor 441 is provided on an outer side of the second washing tank 440,

The second reduction gear 443 is connected to the second rotation shaft 442.

The second reducer 443 uses the second washing motor 441 and the gear ratio.

And, the blade is coupled to the second rotary shaft 442 is relatively narrow

Are located adjacent.

The movement delay blade 444 is configured to delay the movement of the cleaner so that the cleaner can be washed for a longer period of time inside the second washing tank 440, and has a predetermined radius of curvature. The shape becomes narrower toward the second rotation shaft 442 in the shape, and is provided in pairs symmetrically in the diagonal direction with the second rotation shaft 442 as the center.

That is, the moving delay blade 444 is formed in a similar shape to the moving blade 446 but has a relatively wide rotation radius, and installed in a direction intersecting with the moving blade 446. do.

Therefore, the moving delay blade 444 installed on the second rotary shaft 442 is completed.

The moving blade 446 forms a "X" shape as a whole (hereinafter referred to as a 'blade combination'), and the second washing tank 440 is used to stir different areas in the inner space. Multiple are located.

In detail, the moving delay blades 444 and the moving blades 446 installed in the above blade combinations are installed in multiple numbers according to the inner space as shown in FIG. 12, and one blade combination is the remaining blades. It is installed to have overlapping copper wires with the combination.

[362] In addition, each blade combination improves cleaning efficiency by allowing different cleaning and transport coverages.

[363] For convenience of explanation, the first blade combination on the right and the center on the basis of FIG.

When the second blade combination and the left side are referred to as the third blade combination, in this embodiment, the blade angles of the first blade combination and the third blade combination are formed in a range of 0 ° to ²⁷ 0 °, and the blade angle of the second blade combination is Is formed in the range of 180 ° to 90 ^ο .

[364] Therefore, the cleaner's movement is delayed by overlapping areas in the process of passing the cleaner from the first blade assembly to the second blade combination and from the second blade combination to the third blade combination. With much stirring, the cleaning efficiency can be improved.

[365] _. In addition, the moving delay blade 444 has a smaller area in contact with the washing yarn than the moving blade 446, and a contact area is formed in the vicinity of the inner surface of the second washing tank 440.

In contrast, the movable blade 446 has an area in contact with the cleaner.

It is wider than the moving delay blade (444) and is in contact with the cleaning agent near the second rotating shaft (442).

Due to the shape and installation structure described above, the washing blade located near the second rotating shaft 442 in the second washing tank 440 receives a relatively large amount by the movable blade 446. As a result, they have a relatively long drive distance.

In addition, in the case of the cleaner located on the bottom of the second washing tank 440, a relatively small amount is brought into contact with the moving delay blade 444, whereby the cleaner is stirred in place or is relatively short. By having the travel distance, the residence time of the cleaner can be secured sufficiently.

In addition, even though the sealing member 452 is installed in the motor unit, the drain 454 may be further formed to discharge the washing liquid and the washing thread introduced into the motor unit, thereby preventing the load of the motor unit. do.

To this end, the washing thread discharge unit 480 is formed to communicate with the lower end of the second washing tank 440, and when the washing machine of a predetermined amount is accommodated, the inside of the discharge valve 482 is opened and closed. washing four _{accommodated,} it can be anticline with a predetermined cleaning liquid. In addition, the washing liquid discharged through the discharge valve 482 from the washing thread discharge unit 480 may be added to the washing liquid tank 460 automatically or manually to maintain the water level.

The washing liquid tank 460 is provided on one end of the second washing tank 440, and a plurality of washing liquid tanks 460 are disposed at a lower end of the washing liquid tank 460 adjacent to the second washing tank 440. Sensing means 740 is provided.

The plurality of sensing means 740 includes at least an electrical conductivity sensor 466, which is effective when the measured electrical conductivity is within a certain range.

You can see it done.

The pH sensor determines the washing efficiency through the hydrogen ion index of the washing liquid, and when combined with the electrical conductivity sensor 466 and the silver sensor 462, the pH sensor can determine the washing efficiency more effectively. .

On the other hand, one side of the first washing tank 420 is further provided with a circulating inlet portion 492 through which the washing liquid is introduced to adjust the washing speed in addition to the control of the second washing motor 441, wherein the circulating inlet portion In 492, the washing liquid tank 460 or an external fluid source is connected to the circulation pump 496 to circulate the washing liquid so that the washing speed can be adjusted through the flow of the washing liquid.

To this end, the circulating liquid tank 460 may be further equipped with a separate circulating discharge portion 494 to discharge the rinsing liquid for circulation.

Perspective windows 471, 472, 473, and 474 are respectively formed in the second washing tank 440 and the washing thread discharge part 480 so that the washing process can be checked externally.

On the other hand, the washing apparatus 400 is provided with two methods for improving the washing speed.

First, in the present embodiment, the washing speed can be improved by adjusting the rotation speeds of the first washing motor 421 and the second washing motor 441, and in this case, the energy required for washing is relatively increased. Will be done.

Therefore, the first washing tank 420 and the washing liquid tank 460 or the first washing tank 420 and the external fluid supply source without controlling the rotational speed of each washing motor 421, 441 as a method for reducing energy consumption. The cleaning rate can be improved by connecting a circulation passage containing a circulation pump 496 and circulating the fluid.

In addition, the sensing information of the sensing means 740 provided in the washing apparatus 400 is transmitted to the integrated monitoring apparatus.

That is, information on the electrical conductivity, pH, and temperature change in the washing tank is transmitted to the integrated monitoring device and displayed on the display, and the integrated monitoring device determines whether or not the cleaner is distributed based on the transmitted information. And washing speed Communicate control commands for adjustment.

To this end, an icon corresponding to an opening / closing operation command of the discharge valve 482 and an icon corresponding to a driving control command of the circulation pump 496 are further provided on the display.

In other words, in the present embodiment, the washing process detects at least one of the electrical conductivity, pH, and silver of the washing liquid through the sensing means 740, and transfers the same to the integrated monitoring device. It is carried out by a cleaning step in which drainage and washing speed are controlled.

On the other hand, the washing company discharged through the washing apparatus 400 as described above is transferred to the drying apparatus 500 to be dried to generate a reclaimed yarn.

FIG. 19 is a diagram showing an embodiment of a drying process performed using a casting manufacturing monitoring system according to the present invention.

Referring to these drawings, in the present embodiment, the drying apparatus 500 is a microwave obbone 520 is applied, the conveying means for transferring the washing yarn to the drying apparatus 500 is the washing apparatus (400). And a dry transfer belt 544 for guiding the cleaner to pass through the microwave oven 520,

Dry feed motor 542 for rotating the dry feed belt 544 and

And a dry feed pulley 546.

That is, the washing machine washed by the washing apparatus 400 is dried by a microwave oven 520 along the drying conveying belt 544, and the regenerated sand is produced and stored in the storage and supply apparatus ( 600).

On the other hand, the drying device 500 is dried through a microwave oven (520)

Sensing means 750 is further provided for sensing the humidity of reclaimed sand.

The sensing means 750 is provided at a position adjacent to the exit of the microwave oven 520 to transfer the humidity information of the dried regenerated yarn to the integrated monitoring apparatus.

In the integrated monitoring apparatus, the humidity information of the regenerative yarn transmitted as described above is shown on the display, and when the humidity information of the regenerative yarn is out of the set range, the control command for redrying is transmitted to the drying apparatus 500.

During the rebuilding, the dry transfer motor 542 may be rotated in the reverse direction to control the reclaimed sand back to the microwave oven 520, and an icon for such a control may be further provided on the display.

That is, in the present embodiment, the drying process is sensed by the sensing means 750, the humidity around the regeneration yarn is sensed and transferred to the integrated monitoring device, and the transfer for storage of the reclaimed sand by the integrated monitoring device according to the detection result Or by a drying step where redrying is determined.

On the other hand, Figure 20 shows an embodiment of the storage and supply means, which is a main component of the present invention.

^The drawing is shown.

[397] Referring to these drawings, the storage and supply means 600 according to the present invention is described above. To accommodate the recycled sand regenerated through the washing apparatus 400 and the drying apparatus 500 and to supply the reclaimed sand received to the molding apparatus 100, based on the total amount of foundry sand required by the molding apparatus 100. Preferably, the reclaimed yarn and at least a shortage of the regenerated yarn are supplemented with yarn.

In detail, the storage and supply device 600 includes a regeneration feed inlet 620 through which reclaimed sand fed from the drying apparatus 500 is introduced, a reproducing acceptor 640 forming a receiving space for regenerating yarn, Regenerated yarn accommodating part 640 includes a yarn accommodating part 660 formed on one side to accommodate the yarn.

In addition, a lower side of the regenerated yarn accommodating part 640 and the yarn accommodating part 660 is combined.

The receiving part 680 is further provided, and the mixing receiving part 680 is further provided with a sensing means 760 for detecting the weight of the sand to be supplied.

The mixed accommodating part 680 may include the regenerated accommodating part 640 and a yarn accommodating part 660.

The regenerated yarn and yarn are communicated with each other, and the reclaimed yarn and yarn received therein are supplied to the sand supply unit 112 through the sand supply means 690.

For this purpose, the lower end of the reproducing accepting unit 640 and the yarn receiving unit 660 is

The communication member 680 is selectively communicated with an opening / closing member (not shown), and the mixing receiving part 680 is filled with the regeneration sachets stored in the regenerative accommodating part 640 to the sensing means 760. Weight is detected.

The weight information of the reproducing company detected as described above is transferred to the integrated monitoring apparatus.

In the integrated monitoring device, the weight of the reclaimed sand detected through the display and the shortage of the reclaimed sand relative to the total amount of sand and the total amount of sand required by the mold apparatus 100 are shown together.

In the integrated display device, the opening and closing member of the yarn receptacle 660 is controlled to compensate for the above shortfall.

The display is further equipped with icons corresponding to the control commands of the opening and closing member for the supply of yarn.

Therefore, when the supply amount of reclaimed sand stored in the reclaimed yarn accommodating part 640 does not reach the total amount of foundry sand required for mold production, the yarn is additionally filled in the mixed container 680, and the yarn accommodating part 680 is used. The mixed sand of reclaimed yarn and yarn filled in) is supplied to the molding apparatus 100 through the sand supply means 690.

That is, in the present embodiment, the storage and supply process is carried out through the sensing means 760, the weight of the sand to be supplied to the molding apparatus 100 is sensed and transferred to the integrated monitoring device, and the integrated monitoring according to the detection result The device is carried out by a storage and supply stage in which the dosage of yarn is controlled.

[406] In the end, the present invention recycles the waste foundry sand recovered directly at the foundry's manufacturing site, supplies the recycled sand as a raw material for the mold for the manufacture of the next casting, and increases the total amount of foundry sand that is supplied. If sufficient, molds and / or cores may be manufactured using only reclaimed sand. On the other hand, when the reclaimed yarn accommodated in the storage and supply device 600 does not meet the total amount of the required molding yarn, the yarn accommodated in the yarn accommodating section 694 may be supplied with a shortage of regenerated yarn to manufacture a mold or core. The recycled yarn can be actively utilized, thereby reducing the consumption of yarn required to manufacture the casting.

In addition, in the present invention, the integrated monitoring device can be used to monitor the change in the working environment of the pre-casting process and improve the process working environment if necessary to manufacture the casting.

Claims

Claim

[Claim 1] In a casting manufacturing system for producing a casting, including a molding apparatus, a casting apparatus, and a desorption device,

A washing apparatus for washing at least the foundry sand recovered from the molding apparatus or the waste foundry sand recovered from the desalting apparatus;

A drying device for drying sand washed by the washing device to generate reclaimed sand; and

The reclaimed sand is accommodated, and a storage and supply device for supplying the reclaimed sand to the molding apparatus;

The washing, drying and supplying are at least organically linked to the working time required for the molding process performed by the molding apparatus, and the waste circulation process for recovering and regenerating the foundry sand and waste foundry sand generated in the foundry manufacturing system is continuous. Waste recycling reclaimed casting manufacturing system characterized by

[Claim 2] In paragraph 1,

The waste casting sand is characterized in that it comprises at least one or more during the post-treatment of the waste casting sand and the post-treatment.

[Claim 3] In paragraph 1 or 2,

In the above storage and supply apparatus, when supplying the total amount of foundry sand required for the manufacture of the mold,

If more than the required total volume played Saga being stored in the reproduction layer captive supply total amount, ^"when Saga reproduction of less than the total amount required saved by including at least the reproduction layer's gap Sangwonsa danghamyeo the supply total amount,

Waste recycled recycled casting manufacturing system, characterized in that the total amount of supply is fed to the yarn if the recycled sand is not stored.

[Claim 4] In a casting manufacturing system for producing a casting, including a molding apparatus, a casting apparatus, and a desorption device,

At least a washing apparatus for washing the waste foundry sand recovered from the molding apparatus or the degassing apparatus;

A drying device for producing reclaimed sand by drying the sand washed by the washing device;

A storage and supply device for supplying the recycled sand to the molding apparatus;

It is organically linked to the working time required for the molding process performed by the molding apparatus. Through the washing, drying and supplying process, A recycling system for recycling recycled castings, characterized in that the recovery and regeneration and supply of foundry sand or waste foundry are carried out sequentially, and a waste circulation process for recovering and regenerating foundry sand and waste foundry sand in the foundry manufacturing system is performed continuously.

[Claim 5] In paragraph 1 or 4,

In the foundry manufacturing system that injects molten metal into a mold manufactured using a foundry sand,

Sand regeneration means for washing and drying reclaimed sand from at least one of a molding device for forming a mold or a desalting device for separating a molded casting from a waste casting sand, thereby producing reclaimed sand;

A storage and supply device for providing the reclaimed yarn containing space, and for supplying the reclaimed yarn to the molding apparatus.

In the storage and supply device,

A recycling system for recycling recycled castings, characterized in that the supply of mixed yarns of recycled yarns and yarns, including at least a shortage of the above-mentioned recycled yarns, when supplying the total amount of foundry sands required for the manufacture of molds.

[Claim 6] The waste recycling recycled casting manufacturing system of claim 1 or 4

In the washing device,

A cleaning tank in which waste casting is received together with a cleaning liquid;

A rotating shaft provided to penetrate the inner space of the washing tank; A plurality of blades installed on the rotary shaft, the blade combination including a plurality of regions overlapping each other;

Each blade combination

The moving blades contacting a relatively large amount of waste casting sand while forming a narrow radius of rotation around the rotating shaft, and the moving delay blades contacting a relatively small amount of waste casting sand while rotating at a position spaced apart from the forward axis are in the shape of "X". The moving blades and the moving delay blades are installed in a sickle shape, each having a predetermined radius of curvature, and the moving delay blades 444 are formed to intersect.

Compared with the moving blade 446, the area in contact with the washing yarn is narrower, and a contact area is formed at a position adjacent to the inner surface of the washing tank 440,

The moving blade 446 has an area in contact with the cleaner.

Waste casting sand cleaning device, characterized by a wider range compared to the moving delay blade (444).

[Claim 7] The waste recycling recycled casting manufacturing system of claim 1 or 4

In the washing device,

A first wash tank in which waste casting is crushed and washed together with the wash liquor by means of a blade that rotates around the low U axis; and A first washing tank in communication with the first washing tank is accommodated, and includes a second washing tank for second washing the contained washing yarns and transferring the washing yarns in one direction at the same time as washing.

The second washing tank has a second rotary shaft and the horizontal length of the second washing tank,

Multiple blades are installed on the second rotary shaft, and the blade combination includes a plurality of overlapping areas.

Each blade combination is

A moving blade which rotates at a position adjacent to the second rotary shaft and contacts a plurality of waste casting sands to induce washing and one-way transfer of the waste castings, and at a position adjacent to the inner surface of the second washing tank.

The moving delay blades, which rotate and are in contact with a relatively small amount of waste casting yarns and delay the movement of the waste casting yarns, are installed to cross each other in an “X” shape. The moving blades and the moving delay blades each have a predetermined radius of curvature. It is provided in a shape

The moving delay blade 444 has a smaller area of contact with the washing yarn than the moving blade 446, and a contact area is formed in the vicinity of the inner surface of the second washing tank 440, and the moving blade 446 is Waste casting cleaning device characterized by the fact that the area in contact with the cleaning yarn is larger than the moving delay blade (444).

8. The method of claim 7, wherein

The washing liquid tank is further provided in communication with the second washing tank to supply the washing liquid,

The washing liquid supplied through the washing liquid tank flows into the first washing tank to form the same level of water in the washing liquid tank and the chucking tank.

[Claim 9] The waste recycling recycled casting manufacturing system of claim 1 or 4,

In the washing device,

A rotating shaft provided to penetrate the inner space of the washing tank; In the blade installed on the rotary shaft,

Waste casting washing apparatus characterized in that it comprises a first blade which is formed to be inclined toward the first axis of rotation, and a second blade which is arranged horizontally with the ground.

[Claim 10] Paragraph 1 or 4 of the waste recycling recycled casting manufacturing system

In the washing device,

Washing liquid tank in which washing liquid is contained;

Along with the above cleaning amount, the waste casting company is accepted. The rotating blades are used to print and wash the waste casting sand, and the blades installed on the rotating shaft

And a first blade formed to be inclined toward the first rotation axis, and a second blade arranged horizontally with the ground.

First washing tank;

A second washing tank having a washing machine supplied from the first washing tank and installed in a plurality of _second rotating shafts in a direction intersecting the first rotating shaft, the second washing tank including a blade combination in which some areas are overlapped;

It includes between the first washing tank and the second washing tank boring plate for limiting the size of the washing company supplied to the second washing tank, wherein the blade combination,

A moving blade which rotates in a position adjacent to the second rotary shaft and contacts a plurality of waste casting sands to induce washing and one-way transfer of the waste castings, and at a position adjacent to the inner surface of the second washing tank.

The moving delay blades, which rotate and contact the relatively small amount of waste casting yarns to increase the residence time of the waste casting yarns, are installed so as to intersect with each other in an "X" shape, and the moving blades and the moving delay blades each have a predetermined curvature radius. ) Is provided in the shape

The moving delay blade 444 has a smaller area of contact with the washing yarn than the moving blade 446, and a contact area is formed in the vicinity of the inner surface of the second washing tank 440, and the moving blade 446 is washed. A waste casting washing apparatus characterized by having a larger area in contact with the yarn than the moving delay blade (444).

[Claim 11] The method according to any one of claims 7 or 9 or 10,

One side of the cleaning liquid tank is a waste casting cleaning device, characterized in that one or more of the sensor for measuring the electrical conductivity of the cleaning liquid, the sensor for measuring the silver and a hydrogen ion index (pH) sensor.

12. The method of any of claims 7 or 9 or 10, wherein

In the blade combination of the blade combination adjacent to the motor portion for rotation of the second rotary shaft,

And a blade portion in the direction toward the motor portion is formed to have a shorter length than the blade in another position.

[Claim 13] The sand and binder are mixed to form a kneader, and the kneader

Molding apparatus for manufacturing molds or cores by using;

A casting apparatus for molding a casting by injecting molten material into the mold manufactured from the molding apparatus;

Includes a desalination device for separating the waste foundry sand from the molding formed from the casting device, At least one of the molding apparatus, the casting apparatus, and the desalting apparatus is further provided with sensing means for detecting a change in the working environment according to each process, and a control command for improving the environment according to the sensing information of the sensing means. Integrated monitoring device to deliver;

And wire / wireless communication means for performing transmission and reception of control information of the sensing means and transmission of control commands.

[Claim 14] The method of claim 13,

The molding apparatus is provided with at least a sensing means for temperature sensing, and temperature sensing information of the sensing means is shown in the integrated monitoring apparatus, and in the integrated monitoring apparatus, when the temperature sensing information is out of a setting range, it is provided in the molding apparatus. A casting manufacturing monitoring system characterized by the transfer of coolant circulation control commands along a cooling water circulation path.

[Claim 15] In paragraph 13,

And the sensing information of the sensing means is transmitted to the integrated monitoring apparatus through the OPC server.

[Claim 16] In paragraph 13,

The desalination apparatus is provided with sensing means for detecting at least air pollution, and air pollution detection information of the sensing means is shown in the integrated monitoring apparatus.

The integrated monitoring apparatus is characterized in that the casting manufacturing monitoring system characterized in that to transmit a drive control command to the dust collector provided around the desalination apparatus when the air pollution detection information exceeds the allowable range.

[Claim 17] In paragraph 13,

The washing device is equipped with sensing means for detecting at least one of the conductivity, pH, and temperature of the washing liquid.

The sensing information of at least one of electrical conductivity, pH and temperature of the sensing means is shown in the integrated monitoring device,

The integrated monitoring device is a casting manufacturing monitoring system, characterized in that to transmit the control limit and the washing speed control control command to the washing device when one or more of the sensing information of electrical conductivity, pH, temperature increase exceeds the set range.

[Claim 18] In paragraph 13,

The drying apparatus is provided with at least a sensing means for sensing humidity, and the humidity sensing information of the sensing means is shown in the integrated monitoring apparatus, and in the integrated monitoring apparatus, when the humidity sensing information exceeds a setting range, Foundry monitoring system characterized by the transmission of redo control commands.

[Claim 19] In paragraph 13, The storage and supply device is provided with sensing means for detecting at least weight changes,

The weight sensing information of the sensing means is shown in the integrated monitoring apparatus, and in the integrated monitoring apparatus, a casting manufacturing monitoring system characterized by transferring a yarn supply control command to the storage and supply apparatus when the weight sensing information is less than a setting range. .

[Claim 20] A casting manufacturing monitoring system in accordance with Clause 13 is provided.

A molding step in which at least a temperature change of the molding apparatus is sensed through a sensing means and transferred to the integrated monitoring apparatus, and the temperature is adjusted by the integrated monitoring apparatus according to the sensing result to maintain a set temperature range;

A casting step in which a temperature change around the molding apparatus is sensed by a sensing means and transmitted to the integrated monitoring apparatus, and whether or not the injection of the molten metal is determined by the integrated monitoring apparatus according to the sensing result and a casting process is performed;

At least air pollution around the degassing device is sensed through the sensing means and transferred to the integrated monitoring device, and the dust collecting device for air pollution improvement is driven and controlled by the integrated monitoring device according to the detection result. step;

One or more of the conductivity, pH, and temperature of the wash liquid is sensed by the sensing means and transferred to the integrated monitoring device. The detection and cleaning speed are controlled by the integrated monitoring device according to the detection result, and the washing process is performed. Washing step;

A drying step in which the humidity around the reclaimed sand is sensed by the sensing means and transmitted to the integrated monitoring device, and whether the transfer or redrying for the reclaimed sand is determined by the integrated monitoring device according to the detection result and a drying process is performed;

The weight of the sand to be supplied to the molding apparatus through the sensing means is sensed and transferred to the integrated monitoring device, the input and output of the yarn is adjusted by the integrated monitoring device according to the detection result, and the storage and supplying steps are performed. Waste recycling recycled casting manufacturing method, including.