CN211679881U

CN211679881U - Casting system for nodular cast iron box body type castings

Info

Publication number: CN211679881U
Application number: CN202020042330.8U
Authority: CN
Inventors: 丁浩; 邓军; 潘宝坤; 张岩; 穆效龄; 邵萬涛; 郝彦军
Original assignee: Shandong Xindian Precision Casting Co ltd
Current assignee: Shandong Xindian Precision Casting Co ltd
Priority date: 2020-01-09
Filing date: 2020-01-09
Publication date: 2020-10-16
Anticipated expiration: 2030-01-09

Abstract

The utility model belongs to the field of pouring equipment, in particular to a nodular cast iron box casting system, which aims at the problem that the existing mode of adopting a ring coil pipe cools a forming cavity, not only has more installation steps and uneven temperature drop inside an imaging sandbox, which causes the forming of castings to be out of the standard, the utility model provides a proposal which comprises a base, the top of the base is fixedly provided with the forming sandbox, the forming sandbox is provided with a cavity, the bottom inner wall of the cavity is fixedly provided with a casting mold, the top inner wall of the cavity is fixedly provided with a vertical pouring gate, the inner walls at both sides of the cavity are fixedly provided with a same horizontal pouring gate, the interior of the vertical pouring gate is communicated with the interior seal of the horizontal pouring gate, compared with the coil pipe type cooling mode, the utility model reduces the installation steps, has higher practicability and more uniform temperature drop, the pouring quality of the casting is improved.

Description

Casting system for nodular cast iron box body type castings

Technical Field

The utility model relates to a pouring equipment technical field especially relates to a nodular cast iron box class foundry goods casting machine.

Background

At present, when casting operation is carried out on a nodular cast iron box type workpiece, because the structural size of the component is often larger, but the structural strength is not enough, deformation is easy to occur, and meanwhile, the machining precision is strictly required.

The publication No. CN205437030U discloses a casting system for nodular cast iron box type castings, which cools a molding cavity in a mode of an annular coil pipe, so that the installation steps are multiple, the temperature inside an imaging sandbox is reduced unevenly, and the molding of the castings cannot meet the standard.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the mode that exists among the prior art and adopt annular coil and cool off the molding chamber, not only installation procedure is many, and the inside temperature decline of formation of image sandbox is inhomogeneous, leads to the shaping of foundry goods to reach the shortcoming of standard, and the nodular cast iron box class foundry goods casting system who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a nodular cast iron box body type casting system comprises a base, wherein a forming sandbox is fixedly mounted at the top of the base, a cavity is arranged on the forming sandbox, a casting mold is fixedly mounted on the inner wall of the bottom of the cavity, a vertical pouring channel is fixedly mounted on the inner wall of the top of the cavity, the same horizontal pouring channel is fixedly mounted on the inner walls of two sides of the cavity, the interior of the vertical pouring channel is hermetically communicated with the interior of the horizontal pouring channel, the bottom of the horizontal pouring channel is hermetically communicated with two branch pouring channels which are symmetrically arranged, one side of the two branch pouring channels which are close to each other is hermetically communicated with the same annular pouring channel, the interior of the annular pouring channel is hermetically communicated with the interior of the casting mold, convection pipelines are fixedly mounted on the inner walls of two sides of the cavity, the ends of the two convection pipelines which are far away from each other extend to two sides of the forming, and a temperature control assembly is fixedly arranged on the inner wall of the top of the chamber.

Preferably, fixed mounting has the mount pad on the bottom inner wall of cavity, and the top of mount pad and the bottom fixed mounting of foundry goods mould, the top fixed mounting of foundry goods mould has two gas outlets that the symmetry set up, and the inside of two gas outlets all is linked together with the inside of foundry goods mould, avoids the quick air in the foundry goods mould to persist, improves the quality of foundry goods.

Preferably, the cooling module includes the suction fan of fixed mounting in convection current pipeline inside, and the one end that two convection current pipelines are close to each other is all sealed to be linked together has the aspiration channel, and the equal fixed mounting in one side that two aspiration channels are close to each other has a plurality of suction heads that are longitudinal arrangement, and a plurality of suction heads are located the both sides of foundry goods mould respectively, and a plurality of suction heads are linked together with the inside of two aspiration channels respectively, can make the temperature of foundry goods mould be the gradient and descend.

Preferably, the temperature control assembly comprises a temperature sensor fixedly mounted on the inner wall of the top of the cavity, a controller is fixedly mounted on one side of the forming sandbox, the controller is electrically connected with the temperature sensor, the two suction fans are electrically connected with the controller, and the temperature inside the forming sandbox is controlled in real time.

Preferably, the top of the vertical pouring channel penetrates through the inner wall of the top of the cavity and extends to the upper part of the molding sandbox, and a pouring gate is fixedly installed at the top of the vertical pouring channel, so that the pouring operation of molten steel is performed in the direction.

In the utility model, the model and the specification of the temperature sensor, the controller and the suction fan can be selected according to the actual requirement, the controller can control the on-off of the suction fan, the temperature sensor can transmit the temperature value in the molding sandbox to the controller, when in use, the molten steel flows into the two cross runners through the arranged pouring gate and the vertical runner, and then flows into the casting mold through the branch runners arranged at the bottom of the cross runner, the air in the casting mold can be discharged out of the casting mold through the two arranged air outlets along with the continuous casting, the casting time and the casting amount are strictly controlled, after the casting is finished, the molten steel needs to be cooled, the two suction fans are controlled by the controller to work, the working power of the suction fans is certain, the convection velocity of the hot air in the molding sandbox and the air outside is certain, the temperature in the molding sandbox can be reduced in a gradient manner, the temperature value is monitored by the temperature sensor, and compared with a coil pipe type cooling mode, the method has the advantages that the installation steps are reduced, the practicability is higher, the temperature is reduced more uniformly, and the pouring quality of the casting is improved;

in order to solve the problem that the temperature inside the molding sandbox is not measurable, the temperature sensor is fixedly arranged on the inner wall of the top of the cavity, so that the gradient of the temperature can be strictly controlled to be reduced, and a casting piece can better meet the standard;

in order to solve the problem of uneven coil pipe type cooling mode, through the convection pipeline and the suction fan that set up on the both sides inner wall of cavity, can be even make inside steam and the air of formation of image sandbox carry out the convection current, realize that the inside temperature of formation of image sandbox is the gradient and descends and then the cooling effect of accuse foundry goods mould.

Drawings

FIG. 1 is a perspective view of a casting system for nodular cast iron box castings according to the present invention;

fig. 2 is a schematic structural diagram of a casting system for nodular cast iron box castings provided by the present invention;

fig. 3 is an enlarged schematic view of a part a of the structure in fig. 2 of a casting system for nodular cast iron box type castings provided by the utility model.

In the figure: the device comprises a base 1, a molding sandbox 2, a cavity 3, a mounting seat 4, a casting mold 5, an air outlet 6, a vertical pouring channel 7, a pouring port 8, a horizontal pouring channel 9, a branch pouring channel 10, an annular pouring channel 11, a controller 12, a temperature sensor 13, a convection pipeline 14, a suction fan 15, an air suction pipe 16 and an air suction head 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example one

Referring to fig. 1-3, a nodular cast iron box casting system comprises a base 1, a molding sandbox 2 is fixedly installed at the top of the base 1, a cavity 3 is arranged on the molding sandbox 2, a casting mold 5 is fixedly installed on the inner wall of the bottom of the cavity 3, a vertical runner 7 is fixedly installed on the inner wall of the top of the cavity 3, the same horizontal runner 9 is fixedly installed on the inner walls of two sides of the cavity 3, the inside of the vertical runner 7 is communicated with the inside of the horizontal runner 9 in a sealing manner, the bottom of the horizontal runner 9 is communicated with two symmetrically arranged branch runners 10 in a sealing manner, one side, close to each other, of the two branch runners 10 is communicated with the same annular runner 11 in a sealing manner, the inside of the annular runner 11 is communicated with the inside of the casting mold 5 in a sealing manner, convection pipelines 14 are fixedly installed on the inner walls of two sides of the cavity 3, and the ends, and the interior of the two convection pipelines 14 is provided with a cooling assembly, and the inner wall of the top of the cavity 3 is fixedly provided with a temperature control assembly.

Wherein, the model and specification of the temperature sensor 13, the controller 12 and the suction fan 15 can be selected according to the actual requirement, the controller 12 can control the on-off of the suction fan 15, the temperature sensor 13 can transmit the temperature value in the molding sandbox 2 to the controller 12, when in use, the molten steel flows into the two cross runners 9 through the arranged pouring gate 8 and the vertical runner 7, and then flows into the casting mold 5 through the branch runner 10 arranged at the bottom of the cross runner 9, the air in the casting mold 5 can be discharged out of the casting mold 5 through the two air outlets 6 along with the continuous pouring, the pouring time and the pouring amount are strictly controlled, after the pouring is finished, the molten steel needs to be cooled, the two suction fans 15 are controlled to work through the controller 12, the working power of the suction fan 15 is constant, the convection speed of the hot air in the molding sandbox 2 and the air outside is constant, can make the inside temperature of shaping sandbox 2 be the gradient and fall, the temperature value monitors via temperature sensor 13, and compared with the cooling method of coil pipe formula, the installation step has been reduced, and the enforceability is higher, and the temperature drops more evenly, has improved the pouring quality of foundry goods.

In this embodiment, in order to solve the inhomogeneous problem of coil pipe formula cooling method, through convection current pipeline 14 and suction fan 15 that set up on the both sides inner wall of cavity 3, can be even make inside steam and the air of formation of image sandbox 2 carry out the convection current, realize that the inside temperature of formation of image sandbox 2 is the gradient and descends and then the cooling effect of accuse foundry goods mould.

The following further improvements are made on the basis of the first embodiment:

example two

The utility model discloses in, fixed mounting has mount pad 4 on the bottom inner wall of cavity 3, and the top of mount pad 4 and the bottom fixed mounting of casting mold 5, and two gas outlets 6 that the symmetry set up are installed to the top fixed mounting of casting mold 5, and the inside of two gas outlets 6 is all linked together with casting mold 5's inside, avoids casting mold 5 in the fast air to persist, improves the quality of foundry goods.

The utility model discloses in, cooling module includes fixed mounting at the inside suction fan 15 of convection current pipeline 14, two convection current pipelines 14 one end that are close to each other are all sealed to be linked together and have the aspiration channel 16, the equal fixed mounting in one side that two aspiration channels 16 are close to each other has a plurality of suction head 17 that are longitudinal arrangement, and a plurality of suction head 17 are located the both sides of foundry goods mould 5 respectively, a plurality of suction head 17 are linked together with the inside of two aspiration channels 16 respectively, can make the temperature of foundry goods mould 5 be the gradient and descend.

The utility model discloses in, the temperature control subassembly includes temperature sensor 13 of fixed mounting on the inner wall of 3 tops of cavity, and one side fixed mounting of shaping sandbox 2 has controller 12, controller 12 and 13 electric connection of temperature sensor, two suction fans 15 all with controller 12 electric connection, carry out real-time the accuse to the temperature of 2 inside of shaping sandbox.

The utility model discloses in, the top of watering 7 perpendicularly runs through the top inner wall of cavity 3 and extends to the top of shaping sandbox 2, and the top fixed mounting who waters 7 perpendicularly has sprue gate 8, and the direction carries out the pouring work of molten steel.

In this embodiment, in order to solve the problem that the temperature inside the molding sandbox 2 is not measurable, the temperature sensor 13 fixedly installed on the inner wall of the top of the chamber 3 can strictly lower the gradient of the controlled temperature, and the casting meets the standard better.

In the utility model, when in use, the molten steel flows into the two cross runners 9 through the pouring gate 8 and the vertical runner 7, the pouring gate 8 is horn-shaped, the condition of molten steel overflow and leakage is avoided, then the molten steel flows into the casting mold 5 through the branch runner 10 arranged at the bottom of the cross runner 9, the air in the casting mold 5 can be discharged out of the casting mold 5 through the two air outlets 6 along with the continuous pouring, the air mixed in the molten steel is avoided, the quality of the casting is influenced, the pouring time and the pouring amount are strictly controlled, after the pouring is finished, the molten steel needs to be cooled, the two suction fans 15 are controlled by the controller 12 to work, the working power of the suction fans 15 is certain, the convection speed of the hot air in the molding sandbox 2 and the air outside is certain, the temperature in the molding sandbox 2 is enabled to be in gradient and drop, the temperature value is monitored by the temperature sensor 13, compared with a coil pipe type cooling mode, the method has the advantages that the installation steps are reduced, the practicability is higher, the temperature is reduced more uniformly, and the pouring quality of the casting is improved.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a nodular cast iron box class foundry goods casting system, includes base (1), its characterized in that, the top fixed mounting of base (1) has shaping sandbox (2), and is equipped with cavity (3) on shaping sandbox (2), fixed mounting has casting mold (5) on the bottom inner wall of cavity (3), fixed mounting has vertical runner (7) on the top inner wall of cavity (3), fixed mounting has same cross gate (9) on the both sides inner wall of cavity (3), the inside of vertical runner (7) and the inside seal of cross gate (9) are linked together, the sealed intercommunication in bottom of cross gate (9) has two branches of symmetry setting to water (10), and the sealed intercommunication in one side that two branches water (10) are close to each other has same annular runner (11), the inside of annular runner (11) is linked together with the inside seal of casting mold (5), equal fixed mounting has convection current pipeline (14) on the both sides inner wall of cavity (3), and the one end that two convection current pipelines (14) kept away from each other extends to the both sides of shaping sandbox (2) respectively, and the inside of two convection current pipelines (14) all is provided with cooling module, fixed mounting has the temperature control subassembly on the top inner wall of cavity (3).

2. The casting system of the nodular cast iron box type castings according to claim 1, wherein the mounting seat (4) is fixedly mounted on the inner wall of the bottom of the chamber (3), the top of the mounting seat (4) and the bottom of the casting mold (5) are fixedly mounted, the two air outlets (6) which are symmetrically arranged are fixedly mounted on the top of the casting mold (5), and the insides of the two air outlets (6) are communicated with the inside of the casting mold (5).

3. The casting system of nodular cast iron box type castings according to claim 1, characterized in that the cooling assembly comprises a suction fan (15) fixedly installed inside the convection pipes (14), one end of each of the two convection pipes (14) close to each other is hermetically communicated with a suction pipe (16), one side of each of the two suction pipes (16) close to each other is fixedly installed with a plurality of suction heads (17) arranged longitudinally, the plurality of suction heads (17) are respectively located at two sides of the casting mold (5), and the plurality of suction heads (17) are respectively communicated with the inside of the two suction pipes (16).

4. The ductile iron box type casting system according to claim 1, wherein the temperature control assembly comprises a temperature sensor (13) fixedly installed on the inner wall of the top of the chamber (3), a controller (12) is fixedly installed on one side of the molding sandbox (2), the controller (12) is electrically connected with the temperature sensor (13), and two suction fans (15) are electrically connected with the controller (12).

5. A casting system of ductile iron box type castings according to claim 1, characterized in that the top of the vertical pouring channel (7) runs through the top inner wall of the chamber (3) and extends above the molding sandbox (2), and the top of the vertical pouring channel (7) is fixedly installed with a pouring gate (8).