RU2324568C2 - Method and device for forming upper and lower parts of boxless mould and method of replacement used by double-sided modeling board for that purpose - Google Patents

Abstract

FIELD: metallurgy.

SUBSTANCE: double-sided modeling board is located between the upper and lower molding frames that are situated horizontally and equipped with entrances for the foundry sand. The upper and lower molding spaces are provided by means of introducing of the lower and upper condensing facilities in the upper and lower molding frames. Then the pair of the upper and lower molding frames are turned round so that they become situated vertically, while their entrances for the foundry sand become located up at the top. The sand is then introduced in both upper and lower molding spaces where it has to be further condensed. The pair of the upper and lower molding frames are rotated again so that they proceed to be located horizontally. The double-sided modeling board is removed. When it is replaced the modeling board must be lifted toward the upper molding frame located near the condensing mechanism. The second double-sided modeling board also needs to be lifted towards the upper molding frame situated near the retrieval mechanism. The two modeling boards are turned round by way of rotating the mechanism. The boards are to be moved after the rotary motion.

EFFECT: achievement of the quality of casting forms and reduction in sizes of moulding machine.

18 cl, 20 dwg

Description

FIELD OF THE INVENTION

This invention relates to a method and apparatus for forming the upper and lower parts of non-flask foundry molds. In addition, it relates to a method and apparatus for replacing a double-sided model plate used for this.

The level of technology.

Typically, the following device is used as the molding machine, comprising:

the first section, which is located above the base, for compressing the molding sand in the molding space by compacting the sand in a horizontal direction,

the second section, which is located near the lower surface of the base, to align the upper part of the mold with the lower part of the mold in the perpendicular direction to the lower surface of the base and to remove flasks,

in this case, two sets of upper and lower flasks alternately move back and forth between the first and second section, and the upper and lower parts of the mold are formed, which are aligned with each other and which do not have flasks.

However, a conventional molding machine for forming the upper and lower parts of a mold without a flask has disadvantages to be addressed, such as insufficient efficiency, the need to improve the quality of the mold and the complexity of the process of replacing a double-sided model plate, and the need to reduce the size of the molding machine.

Patent Document 1: Japanese Patent Application Publication No. S62-16736.

An analogue of the claimed invention is a method of forming the upper and lower parts of non-flask foundry molds disclosed in document EP 0468355 A2, B22C 11/10, 01/29/1992.

SUMMARY OF THE INVENTION

The basis of this invention is the creation of an improved method and device for forming the upper and lower parts of the mold, which are combined with each other and which have no flask, which eliminates the disadvantages of a conventional device, such as insufficient efficiency of a conventional device, the need to improve the quality of the form and complexity the process of replacing a double-sided model plate, as well as the need to reduce the size of the molding machine.

The first invention provides the following features for solving these problems.

The method of forming the upper and lower parts of the molds, which are combined with each other and do not have a flask, contains:

the process of placing a double-sided model plate between the upper and lower flasks having an entrance for supplying molding sand, and fixing the double-sided model plate, while the double-sided model plate and the upper and lower flasks are located horizontally,

the process of setting the upper and lower molding space by introducing the upper and lower sealing means into the holes of the pair of upper and lower flasks that do not have a two-sided model plate,

the process of turning a pair of upper and lower flasks and a two-sided model plate, so that they are arranged vertically, and moving them so that the inputs of the upper and lower flasks move up,

the process of filling the upper and lower molding space with molding sand through the inputs of the upper and lower flasks,

the process of compaction of molding sand in the upper and lower molding space by further convergence of the upper and lower sealing means with each other,

the process of turning a pair of upper and lower flask and double-sided model plate so that they are located horizontally, and

the process of removing a double-sided model plate located between the upper and lower flasks, after separating the upper and lower flasks containing the mold from the double-sided model plate,

at the same time, during the execution of these processes, if necessary, a casting core is installed between the upper and lower parts of the mold, the upper and lower flasks containing the mold are matched to each other, and the mold is removed from the pair of upper and lower flasks that are aligned with each other.

According to this invention, since the process of forming molds in a pair of upper and lower flasks and the process of removing molds that are already made from the upper and lower flasks occur simultaneously, it is possible to produce upper and lower parts of the mold faster and more efficiently than conventional way.

The second variant of the invention provides the following features for solving these problems.

The method according to the first embodiment of the invention, in which

the process of setting the upper and lower molding space by introducing the upper and lower sealing means into the holes of the upper and lower flasks that do not have a two-sided model plate, and the process of turning a pair of upper and lower flasks and a two-sided model plate, so that they are arranged vertically, and moving them, so that the inputs of the upper and lower flasks move up, perform simultaneously.

According to this invention, it is possible to improve the productivity of the manufacture of molds.

A third embodiment of the invention provides the following features.

The method according to the first embodiment of the invention, in which

the process of compaction of molding sand of the upper and lower molding space by further convergence of the upper and lower sealing means with each other, and the process of turning a pair of upper and lower flasks and a two-sided model plate, so that they are located horizontally, are performed simultaneously.

The fourth variant of the invention provides the following features for solving these problems.

The method according to the first embodiment of the invention, in which

upper and lower sealing plates are provided as upper and lower sealing means.

According to this invention, it is possible to create a simpler method of forming molds by using a device for forming the upper and lower parts of the molds without flask.

The fifth embodiment of the invention provides the following features for solving these problems.

The method according to the first embodiment of the invention, in which an upper and lower segmented sealing support are provided as upper and lower sealing means.

According to this invention, it is possible to form the upper and lower parts of the molds, which are uniform and have high quality with high density molding sand.

The sixth embodiment of the invention provides the following features for solving these problems.

A method according to a fourth embodiment of the invention, further comprising

the process of further moving the upper sealing plate from the lower sealing plate to a predetermined distance and the process of filling the upper and lower molding space with additional molding sand through the inputs of the upper and lower flasks after completion of the process of filling the molding space with sand through the inputs.

According to this invention, it is possible to form the upper and lower parts of the mold more uniformly and with high quality with a higher density of foundry sand.

The seventh embodiment of the invention provides the following elements for solving these problems.

The method according to the sixth embodiment of the invention, in which

the process of further moving the upper sealing plate from the lower sealing plate to a predetermined distance and the process of filling the lower and upper spaces with additional molding sand through the entrances of the upper and lower flasks are performed simultaneously.

According to this invention, it is possible to form the upper and lower parts of the mold more uniformly and with high quality with a higher density of foundry sand.

The eighth embodiment of the invention provides the following features for solving these problems.

The method according to the fifth embodiment of the invention, in which

the process of defining the upper and lower molding space by introducing the upper and lower sealing means into the holes of the pair of upper and lower flasks that do not have a two-sided model plate, further includes the process of setting the distance between the relief of the two-sided model plate and each of the many upper and lower segmented sealing supports, that each relationship between the distance after compaction and the distance before compaction becomes equal.

According to this invention, it is possible to form the upper and lower parts of the mold more uniformly and with high quality with a higher density of foundry sand.

The ninth embodiment of the invention consists of the following elements to solve these problems.

The method according to the fifth embodiment of the invention, in which

the process of specifying the upper and lower molding space by introducing the upper and lower sealing means into the holes of the pair of upper and lower flasks that do not have a two-sided model plate, further includes the process of forming a molding space defined by the profile of the two-sided model plate and each of the many upper and lower segmented sealing supports so that the molding sand can easily pass into the molding space.

According to this invention, it is possible to form the upper and lower parts of the mold more uniformly and with high quality with a higher density of foundry sand.

The tenth embodiment of the invention provides the following features for solving these problems.

The method according to the ninth embodiment of the invention, in which

the process of forming the molding space defined by the profile of the double-sided model plate and each of the many upper and lower segmented sealing supports, so that the molding sand can easily pass into the molding space, further includes the process of reducing friction between the molding sand and the aeration tank wall by forcing air into the nozzle (in in particular, in the critical section of the nozzle) the aeration tank and the part where it is difficult to pass the molding sand.

According to this invention, it is possible to form the upper and lower parts of the molds more evenly and with high quality with a higher density of molding sand.

The eleventh embodiment of the invention provides the following features for solving these problems.

The method according to the fifth embodiment of the invention, in which the process of filling the upper and lower molding space with molding sand through the inlets of the upper and lower flasks and the process of compaction of molding sand in the upper and lower molding space by further drawing together the upper and lower sealing means further include:

the first filling process to fill the upper and lower molding space defined by the upper and lower flasks, the upper and lower sealing means and the two-sided model plate, which are located vertically, molding sand through the inputs of the upper and lower flasks,

a first compaction process for compaction of molding sand in the upper and lower molding space by further drawing together a plurality of upper and lower segmented sealing supports of the upper and lower sealing means,

the second filling process to fill the upper and lower molding space with additional sand through the inputs of the upper and lower flask after the process of retracting the upper and lower segmented sealing supports, and

the second compaction process for compaction of the molding sand of the upper and lower molding space by drawing together the upper and lower segmented sealing supports, the surfaces of which are located in the same plane.

According to this invention, it is possible to form the upper and lower parts of the molds more evenly and with high quality with a higher density of molding sand.

The twelfth embodiment of the invention provides the following features for solving these problems.

A device for forming the upper and lower parts of the molds, combined with each other and not having a flask, containing:

two pairs of upper and lower flasks having an entrance located on their side walls for molding sand,

a double-sided model plate located between two pairs of upper and lower flasks, so that the double-sided model plate can be inserted and output using a transport device,

a sealing mechanism for compacting molding sand, which supports a pair of upper and lower flasks having a two-sided model plate between them, supports upper and lower sealing means introduced into the openings of the upper and lower flasks having no double-sided model plate, so that sealing means can be removed, and which can be rotated clockwise or counterclockwise in a vertical plane around the support shaft, so that a pair of upper and lower flasks having a two-sided model plate between them can become vertical and horizontal,

a drive mechanism for turning clockwise or counterclockwise the sealing mechanism,

aeration mechanism for unloading molding sand into the upper and lower flasks, which are located vertically, using a drive mechanism, through the inlet,

an extracting mechanism for extracting the upper and lower parts of the molds from a pair of upper and lower flasks containing parts of the mold, aligned with each other and arranged horizontally, and

a rotary mechanism for alternately and intermittently turning two pairs of upper and lower flasks, which are located horizontally, between the sealing mechanism, which is located horizontally, and the extracting mechanism, and for raising and lowering the upper flask.

The device according to the twelfth embodiment of the invention is capable, on the one hand, of making a pair of mold parts and, on the other hand, of removing molds from a pair of upper and lower flasks containing mold parts that are already formed.

Thus, it is possible to produce the upper and lower parts of the mold without flask, faster and more efficient compared to a conventional device.

The thirteenth embodiment of the invention provides the following features for solving these problems.

A device according to a twelfth embodiment of the invention, in which

upper and lower sealing plates are provided as upper and lower sealing means.

According to this invention, it is possible to create a simpler device for forming the upper and lower parts of the molds without flask.

The fourteenth embodiment of the invention provides the following features for solving these problems.

A device according to a twelfth embodiment of the invention, in which

upper and lower segmented sealing supports are provided as upper and lower sealing means.

According to this invention, it is possible to form the upper and lower parts of the molds more evenly and with high quality with a higher density of molding sand.

The fifteenth embodiment of the invention provides the following features for solving these problems.

The device according to the twelfth, thirteenth or fourteenth variants of the invention, in which

the extracting mechanism for removing the upper and lower parts of the molds contains:

a support element for supporting the forms, which has a rectangular plate and which can be raised and lowered and inserted into the lower flask,

a lower hydraulic cylinder located under the support element for lifting the support element,

the lower lifting and lowering table, while the lower hydraulic cylinder is located under the lower lifting and lowering table,

lower folding and folding mechanism for raising and lowering the lower lifting and lowering table, which is located under the lower lifting and lowering table,

an extrusion mechanism for extruding parts of the molds, which has a rectangular plate, is located above the support element at a predetermined distance and is configured to move up and down and insert into the upper flask,

an upper hydraulic cylinder located above the extrusion element, for raising and lowering the extrusion element,

an upper raising and lowering table, wherein the upper hydraulic cylinder is located above the upper raising and lowering table, and

the upper folding and folding mechanism for raising and lowering the upper lifting and lowering table, which is located above the lower raising and lowering table.

According to the invention, the height of the extraction mechanism can be reduced.

The sixteenth embodiment of the invention provides the following features for solving these problems.

The device according to the fifteenth embodiment of the invention, in which

the upper and lower folding and folding mechanisms of the extracting mechanism are each crank-link mechanism or pantograph mechanism.

According to the invention, the height of the extraction mechanism can be further reduced.

The seventeenth embodiment of the invention provides the following features for solving these problems.

A device according to the fifteenth or sixteenth embodiments of the invention, in which

the upper and lower hydraulic cylinders of the extracting mechanism are, respectively, a hydraulic cylinder and a pneumatic cylinder.

According to the invention, the height of the extraction mechanism can be further reduced.

The eighteenth embodiment of the invention provides the following features for solving these problems.

A method for replacing a double-sided model plate using a rotary mechanism according to the twelfth, thirteenth or fourteenth embodiments of the invention, comprising:

the process of lifting the two upper flasks of two pairs of upper and lower flasks,

the process of transferring a double-sided model plate to the upper flask located at the sealing mechanism using a carriage,

the process of transferring a double-sided model plate to the upper flask located at the extraction mechanism using a carriage,

the process of moving the double-sided model plate located at the sealing mechanism to the extraction mechanism, and moving the double-sided model plate located at the extraction mechanism to the sealing mechanism by actuating the rotary mechanism, and

the process of transferring two double-sided model plates that have been rotated and moved between the sealing mechanism and the extracting mechanism.

Using the method according to the eighteenth embodiment of the invention, it is possible to replace the double-sided model plate faster and more efficiently than the conventional method.

Preferred Embodiments

Below is a detailed description of embodiments of the device according to this invention, for forming the upper and lower parts of the molds without flask, with reference to the accompanying drawings.

Figure 1-3 shows a device for forming the upper and lower parts of the molds without flask, using the upper and lower sealing plates as the upper and lower sealing means.

A device for forming the upper and lower parts of casting molds without flasks includes:

a base 1 having an inner space and a rectangular parallelepiped shape,

two pairs of upper and lower flasks 2, 3, 2, 3, having inputs for molding sand located on their side walls,

a double-sided model plate 5 located between two pairs of upper and lower flasks 2, 3, 2, 3, so that the double-sided model plate can be entered or output using the transport device 4,

a sealing mechanism 9 for compacting foundry sand, which supports a pair of upper and lower flasks 2, 3 with a two-sided model plate 5 between the upper and lower flasks 2, 3, supports the upper and lower sealing plates 6, 7 with the introduction of sealing means into the holes of the upper and lower flasks that do not have a two-sided model plate 5, so that sealing means can be withdrawn, and which can be rotated clockwise or counterclockwise in a vertical plane around the support shaft 8 located on the base 1, so that a pair of upper and lower flasks 2, 3 with a two-sided model plate 5 between the upper and lower flasks 2, 3 can be vertical or horizontal, respectively,

a cylinder 10 located in the horizontal direction as a drive mechanism for rotating the sealing mechanism 9 clockwise or counterclockwise,

aeration mechanism 11 for supplying molding sand to the upper and lower flasks 2, 3, which are mounted vertically by means of a cylinder 10, through the inputs of the upper and lower flasks,

an extracting mechanism 12 for removing the upper and lower parts of the molds from the pair of upper and lower flasks 2, 3 containing parts of the mold, aligned with each other and arranged horizontally, and

a rotary mechanism 13 for alternately and intermittently turning two pairs of upper and lower flasks 2, 3, which are located horizontally, between the sealing mechanism 9, which is located horizontally, and the extracting mechanism 12, and for raising and lowering the upper flask 2.

In the upper and lower flasks 2, 3, connecting rods 14, 14 hang from the front and rear outer surfaces of the upper flask 2, and the lower flask is slidably connected to the connecting rods 14, 14, as shown in FIG. In addition, at the center of the front and rear outer surfaces of the upper flask 2, as well as on the right side of the front and rear outer surfaces of the lower flask 3, in the state where the lower flask is located on the sealing mechanism 9, protrusions 2a, 3a, 2a, 3 are located.

A transport device 4 for transferring a double-sided model plate 5 includes:

an annular element 15 located on the surface of the support shaft 8 of the sealing mechanism,

a cylinder 16 connected to the aeration mechanism 11 at its end facing the base and rotatably connected with a part of the annular element 15 at the distal end of the piston rod of the cylinder 16,

a pair of levers 17, 17 attached to the annular element 15 at its end, in the form of a cantilever structure, and

a carriage 45 suspended to hold a two-sided model plate 5 and move from side to side, as shown in FIG.

A pair of levers 17, 17 rotates with the telescopic movement of the cylinder 16. Then, the carriage 45 can introduce a two-sided model plate 5 between a pair of upper and lower flasks 2, 3 on the sealing mechanism 9, which is located horizontally, and can remove the two-sided model plate 5 of them with guides 46, 47, as will be explained below (see FIGS. 5-7).

The carriage 45 is lowered a short distance by turning the levers 17, 17 due to the telescopic movement of the cylinder 16. Therefore, the levers 17, 17 can be connected to and disconnected from the carriage 45.

In the sealing mechanism 9, as shown in FIG. 1, the central part of the pivoting frame 18 is located at a support shaft 8 located at the upper and central parts of the base 1, so that the pivoting frame 18 can be rotated clockwise or counterclockwise in a perpendicular plane.

A pair of guide rods 19, 19 extending vertically is located at the right side of the rotary frame 18 with a set interval in the direction connecting the front and rear sides of the rotary frame 8.

The upper raising and lowering frame 20, having an inverted L-shaped configuration, is slidably mounted at the upper part of the guide rods 19, 19 by means of a holding part fixed to the raising and lowering frame 20. In addition, the lower raising and lowering frame 21, having the inverted L-shaped configuration is slidably located at the bottom of the guide rods 19, 19 with the help of the holding part mounted on the raising and lowering frame 21.

The rapprochement of the upper and lower raising and lowering frames 20, 21 and their separation from each other is ensured by a drive cylinder 22 located above and a cylinder 23 located below.

The guides 46 are attached to the rotary frame 18 so that when a pair of upper and lower flasks is horizontal, they can guide the carriage 45.

The guides 47 for guiding the carriage 45 are located at the upper flasks 2, 2 and reach the same level as the guides 46 when the upper flasks 2, 2 extend upward (see FIGS. 5-7).

Several cylinders 24, 24 for moving the sealing plate 6 forward and backward are located at the upper raising and lowering frame 20.

In addition, several cylinders 24, 24 for moving the sealing plate 7 forward and backward are located at the lower raising and lowering frame 21.

The upper and lower raising and lowering frames 20, 21 have each large horizontal flat surface for pushing the upper and lower flasks 2, 3.

The aeration mechanism 11 is located at the upper left side of the base 1 and consists of two aeration tanks 27, 27.

The aeration mechanism 11 provides the supply of molding sand in the upper and lower flasks independently from each other using low-pressure air (filling molding sand through aeration).

For aeration of foundry sand, the air pressure is preferably 0.05 MPa-0.18 MPa. In addition, vacuum pressure can be used to aerate foundry sand by providing aeration tanks in conjunction with a vacuum pressure source (not shown).

Aerotanks 27, 27 can be actuated simultaneously by controlling them simultaneously using two controllers or by controlling one controller.

In the extracting mechanism 12, the pushing member 28, which is fixed at the distal end of the piston rod of the cylinder 29, is located below and attached to the upper part of the base 1. It can be inserted into the upper and lower flasks 2, 3, which are aligned with each other and which are located horizontally, and move up and down by actuating the cylinder 29.

The support element 30 is located under the pushing element 28, which supports the upper and lower molds, which are removed from the upper and lower flasks 2, 3, and which can be moved up and down using a pantographic mechanism, driven by a cylinder 31.

Since the pantographic mechanism is used to move the support element 30, it is necessary to provide a recess for the extraction mechanism 12 (see figure 2).

In the pivoting mechanism 13, the pivoting axis 33 extending up and down is rotatably mounted at the base 1. The distal end of the pivoting axis 33 is connected to the output shaft of an electric motor 34 fixed to the upper end of the base 1. The pivoting shaft 33 can be rotated clockwise or counterclockwise 180 degrees clockwise using an electric motor 34.

The support member 35 is located at the top of the rotary shaft 33. Two pairs of guide rods 36, 36 extending downward hang from the support member 35 at a predetermined interval in a direction connecting the front and rear sides of the rotary mechanism 13.

Two pairs of guide rods 36, 36 are located symmetrically around the rotary shaft 33.

The upper hooks 37 for gripping the protrusions 2a, 3a of the upper flask 2 are slidably mounted on each of the two pairs of guide rods 36, 36.

The hooks 37 are fixed to the distal end of the piston rod of the cylinder 38 vertically and connected to the rotary shaft 33. The hooks 37 can be moved up and down by actuating the cylinder 38.

The lower hooks 37 for gripping the protrusions 3a, 3a of the lower flask 3 are located at the lower ends of two pairs of guide rods 36, 36.

Position 40 in the figures indicates a device for removing the upper and lower parts of the molds, extracted from the upper and lower flasks 2, 3, from the support element 30.

On Fig-14 shows a device using the upper and lower segmented sealing supports as the upper and lower sealing means for forming the upper and lower molds without flask.

The difference between the device using the upper and lower segmented sealing supports as the upper and lower sealing means and the device using the upper and lower sealing plates to form upper and lower molds without flask is the use of a plurality of upper and lower segmented sealing supports 6a 6a, 7a, 7a instead of the upper and lower sealing plates.

The upper and lower segmented sealing supports 6a, 6a, 7a, 7a can be inserted into the holes of the upper and lower flasks 2, 3, which do not have a two-sided model plate 5, so that the segmented sealing supports can be removed.

Several cylinders 24 ', 24' are located at the upper raising and lowering frame 20 to move the upper sealing plate 6 'forward and backward, as shown in Fig.9. Several cylinders 25 ', 25' are located at the lower raising and lowering frame 21 to move the lower sealing plate 7 'forward and backward.

A plurality of upper segmented sealing bearings 6a, 6a can be moved back and forth by actuating several cylinders 6b, 6b. A plurality of lower segmented sealing bearings 7a, 7a can be moved back and forth by actuating several cylinders 7b, 7b.

The upper and lower raising and lowering frames 20, 21 have large horizontal flat surfaces for pushing the upper and lower flasks 2, 3, similarly to the device using the upper and lower sealing plates as the upper and lower sealing means for forming the upper and lower molds, having flasks.

The difference between the device using the upper and lower segmented sealing supports as the upper and lower sealing means and the device using the upper and lower sealing plates to form the upper and lower molds without flask has been explained above.

These two devices contain the same elements, with the exception of the above various elements.

The following is a detailed description of the second embodiment of the extraction mechanism 12, which can be installed in the two types of apparatus for forming molds indicated above, with reference to FIGS. 15 and 16.

The extracting mechanism according to the second embodiment comprises:

a supporting element 119 having the shape of a rectangular plate to support the molds, while the supporting element 119 can be raised, lowered and inserted into the lower flask 3,

a lower pneumatic cylinder 120 located below the support member 119 for raising and lowering the support member 119,

a lower lifting and lowering table 121, while the lower pneumatic cylinder 120 is located under the lower lifting and lowering table 121,

lower crank mechanism 122 for raising and lowering the lower lifting and lowering table 121, which is located under the lower lifting and lowering table 121,

a pushing member 123 located above the support member 119 at a predetermined distance that can be moved up and down and which can be inserted into the upper flask 2 to extrude the molds,

an upper hydraulic cylinder 124 located above the pushing member 123 for raising and lowering the pushing member 123,

an upper raising and lowering table 125, wherein the upper hydraulic cylinder 124 is located above the upper raising and lowering table 125, and

an upper crank mechanism 126 located above the upper raising and lowering table 125 for raising and lowering the upper raising and lowering table 125.

As shown in FIG. 15, the lower linkage comprises:

lower base table 127 having a horizontal and flat surface,

two pairs of main articulated link structures 128, 128 located between the upper surface of the lower base table 127 and the lower surface of the lower raising and lowering table 121, and

a cylinder 129 located horizontally between two pairs of crank-link main structures 128, 128.

The lower crank mechanism can raise and lower the lower raising and lowering table 121 by actuating the cylinder 129.

The upper crank mechanism 126 also comprises:

an upper base table 130 having a horizontal and flat surface,

two pairs of main articulated lever structures 131, 131 located between the lower surface of the upper base table 130 and the upper surface of the upper raising and lowering table 125, and

a cylinder 132 located horizontally between two pairs of crank-arm main structures 131, 131,

which are similar to the lower crank mechanism.

The upper crank mechanism can raise and lower the upper raising and lowering table 125 by actuating the cylinder 132.

In this embodiment, the upper and lower crank mechanisms are used as the upper and lower folding and folding mechanisms. However, the upper and lower folding and folding mechanisms are not limited to the upper and lower crank mechanisms.

As a folding and folding mechanism, you can use the pantographic mechanism.

The following is a detailed description of the process of forming the upper and lower molds without flask, using a device using sealing plates as sealing means, based on figure 1.

First, a two-sided model plate 5 is inserted between a pair of upper and lower flasks 2, 3, which are arranged horizontally by actuating the cylinder 16 of the conveying device 4, so that the pair of levers 17, 17 can be rotated. Then, while the upper flask 2 is moved slightly up and down by actuating the cylinder 38, the pair of levers 17, 17 is disconnected from the carriage 45 by the drive cylinder 16 of the conveying device 4, so that the pair of levers 17, 17 can be rotated in clockwise or counterclockwise to the original position.

Then, the upper and lower flasks 2, 3 are brought together by actuating the cylinder 22, which is located above, and the cylinder 23, which is located below, the sealing mechanism 9, so that the upper and lower lifting and lowering frames 20, 21 are brought together with a friend.

Then, while the upper and lower flasks 2, 3 hold the two-sided model plate 5 between them, the upper sealing plate 6 and the lower sealing plate 7 are introduced into the upper and lower flasks 2, 3 to a predetermined depth to define the upper and lower molding space by actuating the cylinders 24, 24, 25, 25 of the sealing mechanism 9.

Then, a pair of upper and lower flasks 2, 3 and a double-sided model plate 5 become vertical by actuating the cylinder 10, so that the sealing mechanism 9 rotates clockwise around the support shaft 8.

The inlets for foundry sand move up and come into contact with the lower ends of the aeration tanks 27, 27 of the aeration mechanism 11 (see FIG. 4).

In this case, while the upper and lower molding space is defined, the sealing mechanism 9 can be rotated clockwise around the support shaft 8 by actuating the cylinder 10.

In addition, after setting the upper and lower molding space, the sealing mechanism 9 can be rotated clockwise around the support shaft by actuating the cylinder 10.

Then, the upper and lower molding space is filled through the inlets with molding sand using the aeration mechanism 11.

The molding sand in the upper and lower molding space is compacted by moving the upper and lower sealing plates 6, 7 forward.

Then, the upper and lower flask and double-sided model plate are rotated so that they become horizontal.

In this case, the compaction process of the molding sand and the process of turning the upper and lower flasks and the double-sided model plate, so that they become horizontal, can be performed simultaneously. Otherwise, they can be executed one by one.

The sand filling process and the compaction process can be carried out using the following two-stage process. Namely, the upper and lower molding space is filled with molding sand through the inlets by supplying molding sand by the aeration mechanism 11, and then the upper and lower sealing plates 6, 7 are moved back to move the sealing plates 6, 7 to a position near the opening of the pair of upper and lower flasks by actuating several cylinders 24, 24, 25, 25.

Then, after filling the upper and lower molding space with molding sand through the inlets by feeding the molding sand by the aeration mechanism 11, and while turning the upper and lower flasks 2, 3 and the two-sided model plate 5, so that they become horizontal, compact the molding sand in the upper and lower molding space by actuating several cylinders 24, 24, 25, 25, so that the upper and lower sealing plates 6, 7 are moved forward.

In the process of filling and compaction of molding sand, the upper and lower sealing plates are moved back to remove the sealing plates 6, 7 to a position near the opening of the pair of upper and lower flasks after filling the upper and lower molding space, specified by the introduction of the upper and lower sealing plates 6, 7 into upper and lower flasks 2, 3, molding sand.

However, during the filling of the upper and lower molding space defined by the introduction of the upper and lower sealing plates 6, 7 into the upper and lower flask 2, 3 with molding sand, the upper and lower sealing plates 6, 7 can be moved backward for removal of the sealing plates 6, 7 to a position near the opening of the pair of upper and lower flasks.

As mentioned above, through the use of a two-stage process of filling and compaction of foundry sand, it is possible to increase the hardness of foundry sand near the openings of the upper and lower flasks 2, 3.

After completion of the process of filling and compaction of foundry sand, the upper and lower raising and lowering frames 20, 21 are moved apart from each other by actuating the cylinder 22, which is located above, and the cylinder 23, which is located below.

Then, the upper flask 2 containing the mold formed by compaction of the foundry sand is suspended on the upper hooks 37 and separated from the double-sided model plate 5.

The lower flask 3 is placed on the lower hooks 39 of the rotary mechanism 13, and then the two-sided model plate 5, which is located between the upper and lower flasks 2, 3, is retracted by actuating the cylinder 16, so that the levers 17, 17 are rotated.

Then, the upper and lower flasks 2, 3 containing the molds are moved to the place of the extraction mechanism 12 by actuating the electric motor 34 of the rotary mechanism 13, so that the rotary shaft 33 can be rotated by a predetermined angle, and, if necessary, after installing the casting rod, the upper the flask 2 containing the mold is matched to the lower flask by actuating the cylinder 38, so that the upper flask 3 located on the upper hooks 37 can be lowered.

Then, the upper and lower flasks 2, 3 containing the molds are placed on the support table 30 by actuating the cylinder 31 of the extraction mechanism 12, so that the support table can be lowered.

After the pushing member 28 is placed on the upper surface of the upper flask 2 by actuating the cylinder 29 of the extracting mechanism 12, parts of the mold are removed from the upper and lower flasks 2, 3 by actuating the cylinder 31, so that the pushing member 28 and the support table 30 can go down together.

Then, the upper and lower parts of the mold on the support table 30 are extruded by the device 40 to remove the lower mold.

In the above processes, during rotation and movement of the upper and lower flasks 2, 3 to the place of the extracting mechanism 12, if necessary, after installing the casting core in the already made casting mold, a pair of upper and lower flasks 2, 3 are combined with each other and parts of the mold are removed from the flask, and these processes are similar to the above method.

The following is a detailed description of the processes for replacing double-sided model plates of a device for forming casting molds without a flask.

As shown in FIG. 5 (a), after suspending the upper flasks 2, 2 by actuating the cylinders 38, 38 of the swing mechanism 13, so that the upper flasks 2, 2 can be lowered on the upper hooks 37, 37, carriage 45, with on it with a double-sided model plate 5 (A), is transferred from the guides 46 to the guides 47 of the upper flask 2 by actuating the cylinder 16 of the transport device 4, so that the pair of levers 17, 17 rotates counterclockwise. Then, the double-sided model plate 5 (A) is transferred to the upper flask 2, located on the left side.

As shown in FIG. 5 (b), while moving the upper flask 2 up and down by actuating the cylinder 38, the pair of levers 17, 17 is disconnected from the carriage 45 by actuating the cylinder 16 of the conveying device 4, so that the pair of levers 17 , 17 can rotate clockwise and return to its original position. In addition, the carriage 45, with a double-sided model plate 5 (B), to be replaced, which hangs from the guides located on the transfer device and which expects the extraction mechanism 12, moves in the opposite direction to the guides 47 of the upper flask 2, which is located on the right the side of the device and which is located at the extracting mechanism 12.

As shown in Fig.6 (a), the carriage 45, located in the opposite direction to the guides 47 of the upper flask 2, which is located on the right side of the device, and located on the extraction mechanism 12, is moved manually along the guides 47. Double-sided model plate 5 (B ) located on the right side is moved to the upper flask located on the right side, then the double-sided model plate 5 (A) located near the sealing mechanism 9 is rotated and moved to the extracting mechanism 12, and the double-sided model plate 5 (B), located at the extracting mechanism 12, rotates and moves to the sealing mechanism 9 by actuating the rotary mechanism motor 34, as shown in FIG. 6 (b).

Then, as shown in Fig. 7 (a), a pair of levers 17, 17 is connected to a carriage 45 having a double-sided model plate 5 (B) on it by actuating a cylinder 16, so that a pair of levers 17, 17 can be rotated against clockwise, while the upper flask 2 is moved up and down a small distance by actuating the cylinder 38.

Then, the carriage 45, with the double-sided model plate 5 (A), moves from the guides of the upper flask 2 outward from the device, and the carriage 45, with the double-sided model plate 5 (B), moves from the guides 47 of the upper flask 2 to the guides 46 by the action of the cylinder 16 of the transport device 4, so that the pair of levers 17, 17 can be rotated clockwise, and then the two-sided model plate 5 (B) moves from the upper flask 2. Carriage 45, with a two-sided model plate 5 (A) and moved from the rails 47, moves to p An equal place with the help of a transfer device. Therefore, the replacement process of the double-sided model plate 5 is completed.

The following is a detailed description of the processes of forming the upper and lower parts of molds without a flask, using a device using segmented sealing supports as sealing means, with reference to Fig. 8.

First, a two-sided model plate 5 is introduced between a pair of upper and lower flasks 2, 3, which are horizontally, by actuating the cylinder 16 of the transport device 4, so that the pair of levers 17, 17 can be rotated (see Fig. 9).

Then, the upper and lower flasks 2, 3 are brought closer to each other by actuating the cylinder 22, which is located above, and the cylinder 23, which is located below, the sealing mechanism 9, so that the upper and lower lifting and lowering frames 20, 21 can come together with the other, and by actuating the cylinder 38, the hooks 37 may be lowered.

Then, while the upper and lower flasks 2, 3 hold the two-sided model plate 5 between them, several upper and lower segmented sealing supports 6a, 6a, 7a, 7a are introduced into the upper and lower flasks to a predetermined depth to specify the upper and lower molding space by actuating several cylinders 24, 24, 25, 25 of the sealing mechanism 9.

Then, a pair of upper and lower flasks 2, 3 and a double-sided model plate 5 become vertical by actuating the cylinder 10, so that the sealing mechanism 9 rotates clockwise around the support axis 8.

The molding sand inlets move up and come into contact with the lower ends of the two aeration tanks of the aeration mechanism 11 (see FIG. 12 (a)).

In this case, during the setting of the upper and lower molding space, the sealing mechanism 9 can be rotated clockwise around the support shaft 8 by actuating the cylinder 10.

Then, after setting the upper and lower molding space, the sealing mechanism 9 can be rotated clockwise around the support axis 8 by actuating the cylinder 10.

The plurality of upper and lower segmented sealing supports 6a, 6a, 7a, 7a of the upper and lower sealing means are moved a predetermined distance, so that each of the corresponding distance relationships between each of the upper and lower segmented sealing supports 6a, 6a, 7a, 7a and a two-sided model plate 5 before compaction of the molding sand to a distance after compaction becomes almost equal.

When, as shown in FIG. 12 (b), the distances between the plurality of upper and lower segmented sealing supports 6a, 6a, 7a, 7a and the corresponding part of the double-sided model plate 5 are set to “A” and “B” before compaction of the foundry sand, and as shown in FIG. 12 (c), the distances after compaction are defined as “a” and “b”, the segmented sealing bearings 6a, 6a, 7a, 7a are moved so that the ratios “a / A” and “b / B” may have a ratio close to the condition "a / A = b / B".

When the height of the part of the double-sided model plate is large, the upper and lower segmented sealing legs 6a, 6a, 7a, 7a are moved so that the amount of molding sand in the position corresponding to this part becomes smaller, and when the height of the part of the double-sided model plate is small, then they move more, so that the amount of molding sand in the position corresponding to this part becomes larger.

Then, the upper and lower molding spaces are filled with molding sand by supplying molding sand by aeration mechanism 11 through the inputs of the upper and lower flasks 2, 3.

The molding sand in the upper and lower molding space is compacted by actuating the cylinders 24, 24, 25, 25 so that the plurality of upper and lower segmented sealing supports 6a, 6a, 7a, 7a can move forward, while the pair of upper and lower the flasks 2, 3 and the double-sided model plate are rotated so that they become horizontal.

Then, after retracting the plurality of upper and lower segmented sealing bearings 6a, 6a, 7a, 7a by actuating the cylinders 24, 24, 25, 25, the segmented sealing bearings 6a, 6a, 7a, 7a are moved forward by actuating the cylinders 24 , 24, 25, 25.

Using these processes, the density of the molding sand of the upper and lower molds becomes uniform, and the surface opposite to the upper and lower segmented sealing supports 6a, 6a, 7a, 7a of the molding sand in the flasks 2, 3 also becomes flat (see Fig. 12 ( from)).

The upper and lower raising and lowering frames 20, 21 are moved apart from each other by actuating a cylinder 22 located above and a cylinder 23 located below.

Then, the upper flask 2, containing the mold part formed by compaction of foundry sand, is suspended using the upper hooks 37 and is separated from the two-sided model plate 5 by actuating the cylinder 38 of the rotary mechanism 13. The lower flask is located on the lower hooks 39 of the rotary mechanism 13, and then a double-sided model plate, which is located between the upper and lower flasks 2, 3, is removed by actuating the cylinder 16, so that the levers 17, 17 can be rotated.

Then, the upper and lower flasks 2, 3 containing the mold are moved to the position of the extracting mechanism 12 by actuating the electric motor 34 of the rotary mechanism 13, so that the rotary shaft 33 can be rotated by a predetermined angle and, if necessary, after installing the casting rod, the upper the flask 2 containing the mold is consistent with the lower flask 3 by actuating the cylinder 38, so that the upper flask 2 can be lowered on the upper hooks 37 (see figure 10).

Then, the upper and lower flasks 2, 3 containing the mold are placed on the support table 44 by actuating the cylinder 43 of the support device 30, so that the support table 44 can be lifted, and by actuating the cylinder 31, so that the support table 44 on the raising and lowering table 42 may further rise.

After the pushing member 28 is placed on the upper surface of the upper flask 2 using the cylinder 29 of the extraction mechanism 12, the upper and lower molds are removed from the upper and lower flasks 2, 3 by actuating the cylinder 31, so that the pushing member 28 and the support table 44 can fall together.

Then, the upper and lower molds on the support table 44 and the raising and lowering table 42 are lowered further by actuating the cylinder 31 and squeezed out by the mold removing device 40.

In the above processes, while turning the upper and lower flasks 2, 3 and moving to the position of the extracting mechanism 12, if necessary, after installing the casting core in an already formed casting mold, pairs of upper and lower flasks 2, 3 containing parts of the mold are combined with each other, and then the molds can be removed from the flask. This process is similar to the above method.

In a preferred embodiment, when the distance between the plurality of upper and lower segmented sealing supports 6a, 6a, 7a, 7a and the corresponding part of the double-sided model plate 5 is set to “A” and “B” before compaction of the foundry sand, and the distances after compaction are set to “ a "and" b ", the segmented sealing bearings 6a, 6a, 7a, 7a are moved so that the relations" a / A "and" b / B "can be close to the ratio" a / A = b / B ", due to whereby the density of the molding sand of the upper and lower molds becomes uniform, and the surface the molding sand in the flasks 2, 3, opposite the upper and lower segmented sealing supports 6a, 6a, 7a, 7a, becomes flat.

However, the method of forming the molds is not limited to this process.

For example, as shown in FIGS. 13 (a) to 13 (c), after forming the space between the double-sided model plate 5 and the plurality of upper and lower segmented sealing supports 6a, 6a, 7a, 7a, opposite the two-sided model plate 5, so that the molding sand can easily flow into space, molds can be formed by unloading molding sand into the molding space through the inlets of the upper and lower flasks 2, 3.

It is possible to reduce friction between the molding sand and the wall of the aeration tank by forcing air into the nozzle (in particular, into the critical section of the nozzle) of the aeration tank and the part where it is difficult to leak forming sand to facilitate the flow of molding sand into the space between the plurality of upper and lower segmented sealing supports 6a. 6a, 7a, 7a and double-sided model plate 5.

As shown in FIGS. 14 (a) to 14 (b), the following process is also acceptable.

Namely, after the upper and lower molding spaces, which are located vertically, are set using a two-sided model plate 5, upper and lower flasks 2, 3, and a plurality of upper and lower segmented sealing supports 6a, 6a, 7a, 7a, acting in As the upper and lower sealing means, the molding sand is discharged into the upper and lower molding space through the inputs of the upper and lower flasks 2, 3.

Then, molding sand is compacted in the molding space by actuating a plurality of segmented sealing supports 6a, 6a, 7a, 7a, so that a plurality of segmented sealing supports 6a, 6a, 7a, 7a can be moved forward.

Then, after retracting the plurality of upper and lower segmented sealing supports 6a, 6a, 7a, 7a by activating the cylinders 6b, 6b, 7b, 7b, molding sand is additionally fed into the upper and lower molding spaces through the inlets.

Then, the sealing surfaces of the plurality of upper and lower segmented sealing supports 6a, 6a, 7a, 7a are arranged in a flat plane, and the molding sand is further compacted in the upper and lower molding space by actuating the cylinders 19, 19, 20, 20, so that the plurality of upper and lower segmented sealing supports 6a, 6a, 7a, 7a may jointly move forward.

In addition, you can use the upper and lower segmented sealing bearings 6a, 6a, 7a, 7a, integrated with some of the many upper and lower segmented sealing bearings 6a, 6a, 6a, 6a.

When the upper and lower molds having no flask are formed using the device using segmented sealing supports as sealing means for forming the molds, the method for replacing the double-sided model plate remains the same as that used when forming the molds using the device using sealing plates as sealing means.

The following is a detailed description of a method for extracting molds using the second embodiment of the extracting mechanism 12 with reference to FIGS. 15-20.

After compaction of the foundry sand in the upper and lower molding space, the upper and lower raising and lowering frames 20, 21 are separated from each other, the upper flask containing the mold part formed by compaction of the molding sand is lifted using the upper hooks 37 and by bringing the action of the cylinder 38 of the rotary mechanism 13, and is separated from the two-sided model plate 5.

Then, the lower flask 3 is placed on the lower hooks 39 of the rotary mechanism 13 and the two-sided model plate 5 is removed from the area between the upper and lower flasks 2, 3.

Then, the upper and lower flasks containing the mold are moved to the extracting mechanism 12 by actuating the electric motor 34 of the rotary mechanism 13, so that the rotary shaft 33 can be rotated by a predetermined angle. If necessary, after installing the casting core in the mold, the upper flask 2 is lowered on the upper hooks 37 and coordinated with the lower flask 3.

Then, when fixing the upper and lower flasks 2, 3 between the upper and lower lifting and lowering tables 125, 121 by actuating the cylinders 132, 129 of the upper and lower crank mechanisms 126, 122, so that the lifting and lowering tables 125, 121 can reach each other, as shown in Fig. 18 (a), the support element 119 comes into contact with the lower surface of the lower part of the mold by actuating the pneumatic cylinder 120, as shown in Fig. 18 (b).

Then, after the pushing member 123 has come into contact with the upper surface of the upper part of the mold by actuating the hydraulic cylinder 124, as shown in FIG. 19 (a), the pushing member 123 and the supporting member 119 are lowered together by actuating the hydraulic cylinder 124 and pneumatic cylinder 120, as shown in FIG. 19 (b).

Then, the upper and lower lifting and lowering tables 125, 121 are separated from each other by actuating the cylinders 132, 129 of the upper and lower crank mechanisms 126, 122. With this process, the upper and lower parts of the molds “A” can be removed and "B" from the upper and lower flasks 2, 3.

In these processes, during rotation and movement of the upper and lower flasks 2, 3 containing the mold, to the extracting mechanism 12, if necessary, after installing the casting core in the mold, you can coordinate a pair of upper and lower flasks 2, 3 containing the mold and then you can remove the mold from them.

Brief Description of the Drawings

The drawings show:

figure 1 is a partial section of a device for forming a mold, according to a preferred embodiment of the invention, using a sealing plate as a sealing means, in a vertical projection;

figure 2 is a section along the line aa in the state of fixation of a bilateral model plate 5 between the upper and lower flasks 2, 3;

figure 3 - the device according to figure 1, in a top view;

figure 4 - the working processes of forming a mold in a state when molding sand is fed into the upper and lower flask using the device shown in figure 1;

figure 5 (a) - work processes for replacing a double-sided model plate using the device shown in figure 1, with the upper part shown in plan view and the lower part in vertical projection;

figure 5 (b) - work processes for replacing a double-sided model plate using the device shown in figure 1, with the top part showing a top view, and the bottom part in vertical projection;

Fig.6 (a) - workflows for replacing a double-sided model plate using the device shown in Fig.1, while the upper part shows a top view, and the lower part is a vertical projection;

Fig.6 (b) - workflows for replacing a double-sided model plate using the device shown in Fig.1, with the top part showing a top view, and the bottom part in vertical projection;

Fig. 7 (a) is a workflow for replacing a double-sided model plate using the device shown in Fig. 1, with a top view shown in the upper part and a vertical projection in the lower part;

Fig. 7 (b) is a workflow for replacing a double-sided model plate using the device shown in Fig. 1, with a top view shown in the upper part and a vertical projection in the lower part;

Fig. 8 shows a device for forming a mold according to a preferred embodiment of the invention, using segmented sealing supports as sealing means, in a vertical projection;

Fig.9 is a partial section of the device according to Fig.8;

figure 10 is a section along the line aa in figure 8;

11 is a partial section of the device according to Fig, in a top view;

Fig - processes for the formation of the mold using the device for forming the upper and lower parts of the molds that do not have the flask shown in Fig;

Fig - the processes of forming a mold using a device for forming the upper and lower parts of the molds, while not shown flask shown in Fig;

Fig.14 - the processes of forming a mold using a device for forming the upper and lower parts of the molds, while not shown flask shown in Fig;

FIG. 15 is a second embodiment of a retrieval mechanism for removing a mold from a mold, in a side view to the right;

Fig - a device for forming the upper and lower parts of the molds without flask, using the second embodiment of the extraction mechanism for removing the mold from the flask, in a side view to the right;

Fig - the device according to Fig, in a side view to the right;

Fig. 18 (a) shows the working processes of extracting the lower and upper parts of the molds from a pair of upper and lower flasks containing the mold using the extraction mechanism shown in Fig. 15, in a side view to the right;

Fig. 18 (b) shows the working processes of extracting the lower and upper parts of the molds from a pair of upper and lower flasks containing the mold using the extraction mechanism shown in Fig. 15, in a side view to the right;

Fig. 19 (a) is the working processes of extracting the lower and upper parts of the molds from a pair of upper and lower flasks containing the mold using the extraction mechanism shown in Fig. 15, in a side view to the right;

Fig. 19 (b) is a workflow for extracting the lower and upper parts of molds from a pair of upper and lower flasks containing a mold using the extraction mechanism shown in Fig. 15 in a side view to the right;

Fig - working processes for extracting the lower and upper parts of the molds from a pair of upper and lower flasks containing the mold using the extraction mechanism shown in Fig.15, in a side view to the right and in vertical projection.

Claims (22)

1. The method of forming the upper and lower parts of the safe mold, combined with each other, including placing a double-sided model plate between the upper and lower flasks having inputs for molding sand and located horizontally, fixing the double-sided model plate, defining the upper and lower molding spaces by introducing upper and lower sealing means into the upper and lower flasks, turning a pair of upper and lower flasks with a two-sided model plate located between them, in a vertical floor with the arrangement of inputs for molding sand at the top, filling the upper and lower molding spaces with molding sand through the inlets of the upper and lower flasks, sealing the molding sand with the upper and lower sealing means, turning the pair of upper and lower flasks with a two-sided model plate located between them, in horizontal position, separation of the upper and lower flasks with mold parts from the double-sided model plate, removal of the double-sided model plate, installation if necessary core, combining the upper and lower flasks with parts of the mold and removing the combined parts of the mold from the flasks. 2. The method according to claim 1, in which the task of the upper and lower molding spaces by introducing the upper and lower sealing means into the upper and lower flask and rotate a pair of upper and lower flasks with a two-sided model plate located between them, in a vertical position is performed simultaneously. 3. The method according to claim 1, in which the compaction of molding sand by means of upper and lower sealing means and the rotation of a pair of upper and lower flasks with a two-sided model plate located between them in a horizontal position is performed simultaneously. 4. The method according to claim 1, wherein the upper and lower sealing plates are used as the upper and lower sealing means. 5. The method according to claim 1, wherein the upper and lower segmented sealing supports are used as upper and lower sealing means. 6. The method according to claim 4, in which after filling with molding sand the upper and lower molding spaces through the inputs of the upper and lower flasks, the upper and lower sealing plates are pushed to a predetermined distance and additional filling of the upper and lower molding spaces with molding sand is performed. 7. The method according to claim 6, in which the upper and lower sealing plates are moved to a predetermined distance and the upper and lower molding spaces are additionally filled with molding sand through the inputs of the upper and lower flasks. 8. The method according to claim 5, in which when defining the upper and lower molding spaces by introducing the upper and lower sealing means into the upper and lower flask, the distance between the relief of the bilateral model plate and each of the plurality of upper and lower segmented sealing supports is set, each the ratio of the distances after compaction and the distances before compaction becomes equal. 9. The method according to claim 5, in which when defining the upper and lower molding spaces by introducing the upper and lower sealing means into the upper and lower flask, the upper and lower molding spaces defined by the relief of the bilateral model plate and each of the plurality of upper and lower segmented sealing supports , provide free passage of molding sand into the molding space. 10. The method according to claim 9, in which when forming the upper and lower molding spaces defined by the relief of the bilateral model plate and each of the plurality of upper and lower segmented sealing supports, in order to reduce friction between the molding sand and the aeration tank wall, the aeration tank nozzles and parts are purged with air aeration tank, where the flow of foundry sand is difficult. 11. The method according to claim 5, in which after filling with molding sand the upper and lower molding spaces defined by the upper and lower sealing means and a two-sided model plate, through the inputs of the upper and lower flasks, the initial compaction of molding sand is carried out by means of the upper and lower segmented sealing supports, removal of the upper and lower segmented sealing supports, additional filling of the upper and lower molding spaces with molding sand and re-compaction of the molding sand ska by upper and lower segmented sealing supports, the surface of which are located in one plane. 12. A device for manufacturing the upper and lower parts of a safe mold, combined with each other, containing two pairs of upper and lower flasks, each of which has inputs for molding sand, made on their side walls, a two-sided model plate located between a pair of upper and the lower flask and made with the possibility of input and output in pairs of upper and lower flasks, a device for transporting a double-sided model plate, a sealing mechanism that supports a pair of upper and lower flasks with a two-way mode a linen plate located between them, and the upper and lower sealing means introduced into the upper and lower flask, the sealing mechanism is made with the possibility of rotation clockwise or counterclockwise around the support shaft for a pair of upper and lower flasks with a double-sided model plate, located between them, vertically and horizontally, the drive mechanism for turning the sealing mechanism clockwise or counterclockwise, an aeration mechanism for feeding molding sand into the upper and lower flasks through molding sand inlets, a mechanism for extracting the upper and lower parts of the mold from a pair of upper and lower flasks, aligned with each other and arranged horizontally, a rotation mechanism for alternately and intermittently turning two pairs of upper and lower flasks, located horizontally, between the sealing mechanism and extracting mechanism. 13. The device of item 12, in which the upper and lower sealing means are made in the form of upper and lower sealing plates. 14. The device of item 12, in which the upper and lower sealing means are made in the form of upper and lower segmented sealing supports. 15. The device according to any one of paragraphs.12-14, in which the mechanism for extracting the upper and lower parts of the mold from a pair of upper and lower flasks, aligned with each other and arranged horizontally, contains a support element made in the form of a rectangular plate having the possibility of lifting and lowering, as well as entering into the lower flask, the lower cylinder for raising and lowering the support element located under the support element, the lower lifting and lowering table, under which the lower cylinder is located, the lower folding and unfolding I am a mechanism located under the lower rising and lowering table and designed to raise and lower it, an extruding element for extruding molds, containing a rectangular plate located above the supporting element at a given distance and made to move up and down, as well as introducing into the upper a flask, an upper cylinder for raising and lowering the extruding element located above the extruding element, an upper lifting and lowering table, above which the upper center Lindgren, the upper folding and unfolding mechanism disposed above the lower table is lifted and lowered and for raising and lowering the upper section is raised and lowered. 16. The device according to clause 15, in which the upper and lower folding and folding mechanisms, as well as the extracting mechanism are made in the form of a crank-lever or pantographic mechanisms. 17. The device pop, 15, in which the upper and lower cylinders are made in the form of hydraulic and pneumatic cylinders, respectively. 18. The method of replacing the model plate of the device according to any one of claims 12-14, comprising raising the two upper flasks, moving the bilateral model plate to the upper flask using the carriage, located near the sealing mechanism, moving the bilateral model plate to the upper flask using the carriage at the extraction mechanism, moving the bilateral model plate located near the sealing mechanism to the extraction mechanism, and moving the bilateral model plate located at the extraction mechanism to the seal mechanism, through the rotation mechanism, the movement of two double-sided model plates after rotation. Priority on points: 12/18/2003 - claims 1-4, 12, 13, 15-18; 04/28/2004 - pp. 5, 8, 9, 11, 14; November 17, 2004 - pp. 6, 7; December 17, 2004 - p. 10.

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