Nozzle brick forming device

By designing a sprue brick forming device and utilizing the state switching of the support components to achieve bidirectional pressurization, the problems of sand holes and air holes in the sprue brick forming process were solved, the density and strength of the sprue brick were improved, and its corrosion resistance in high-temperature molten steel and the stability of the casting process were enhanced.

CN223442467UActive Publication Date: 2025-10-17HUNAN XIANGGANG RUITAI TECH
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Patent Information

Application Number
CN202422970975.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-03
Publication Date
2025-10-17
Estimated Expiration
2034-12-03

AI Technical Summary

Technical Problem

Existing sprue bricks are prone to sand holes and air holes during the forming process, which leads to reduced density and weakened strength, affecting the corrosion resistance of the sprue bricks in high-temperature molten steel and the stability of the steel billet casting process.

Method used

A nozzle brick forming device was designed, which included a press, a workbench, a pressure head, a base, a floating platform, an elastic part, and a nozzle brick mold. Bidirectional pressurization was achieved by switching the state of the support parts, reducing the generation of sand holes and air holes and improving the density and strength of the nozzle brick.

Benefits of technology

It effectively reduces sand holes and air holes during the molding process of sprue bricks, enhances the density and strength of sprue bricks, improves their resistance to high-temperature molten steel, and improves the stability of the steel billet casting process and the quality of steel ingot products.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a nozzle brick forming device which comprises a pressing machine and a working table, the working table is located below a pressing head of the pressing machine, and the working table comprises a base, a floating platform, an elastic piece and a nozzle brick mold. The base is provided with a stand column, the floating platform is movably installed at the end, away from the base, of the stand column, the elastic piece is arranged between the base and the floating platform, the nozzle brick mold comprises an upper mold, a lower mold, a mold core and an outer mold, the outer mold is vertically arranged on the floating platform, the lower mold is slidably arranged at a bottom opening of the outer mold, and the upper mold is movably arranged at a top opening of the outer mold; the mold core is arranged on the central axis of the outer mold, a nozzle brick forming cavity is defined by the upper mold, the lower mold, the mold core and the outer mold, the supporting piece has a padding state and a taking-out state, the two-way pressurization effect can be achieved through state switching of the supporting piece, sand holes and air holes in the nozzle brick forming process can be reduced, the density and strength of the nozzle brick are improved, and the service life of the nozzle brick is prolonged. And therefore, the capability of resisting high-temperature molten steel scouring and erosion in the steel flowing process is enhanced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the water gap brick forming technical field, in particular to a water gap brick forming device. BACKGROUND

[0002] In the preparation process of the steel ingot product, the molten steel is usually first poured into the ladle, and then poured into the steel ingot mold for forming. The water gap brick, as a refractory material embedded in the seat brick at the bottom of the ladle, is the key outlet for the outflow of molten steel and is an important refractory element indispensable in the process of casting billets. The water gap brick plays a role in guiding and rectifying during the steel pouring process, and its quality directly affects the quality of the final steel ingot product.

[0003] At present, the water gap brick is generally produced by mold pressing method, and a steel shell is installed on its outer wall after forming to enhance its mechanical strength. However, the existing water gap brick is prone to defects such as sand holes or air holes during the forming process, which will reduce the density and strength of the water gap brick, thereby affecting its ability to resist high-temperature molten steel erosion and corrosion during the steel flow process, and further negatively affecting the stability of the casting billet process and the quality of the steel ingot product.

[0004] Therefore, there is an urgent need for a water gap brick forming device to effectively reduce the generation of sand holes and air holes during the forming process of the water gap brick. UTILITY MODEL CONTENT

[0005] To solve the above technical problems, the purpose of the utility model is to provide a water gap brick forming device which can effectively reduce the generation of sand holes and air holes during the forming process of the water gap brick and improve the density and strength of the water gap brick.

[0006] The technical scheme provided by the utility model is as follows:

[0007] A water gap brick forming device, comprising a press and a workbench, the press is provided with a press head, the workbench is located below the press head, and the workbench comprises:

[0008] a base provided with a stand;

[0009] a floating platform movably installed at one end of the stand away from the base;

[0010] an elastic member arranged between the base and the floating platform;

[0011] a water gap brick mold comprising an upper mold, a lower mold, a mold core, and an outer mold, the outer mold is vertically arranged on the floating platform, the lower mold is slidingly arranged at the bottom opening of the outer mold, the upper mold is movably arranged at the top opening of the outer mold and corresponds to the press head, the mold core is arranged on the central axis of the outer mold, and the upper mold, the lower mold, the mold core, and the outer mold form a water gap brick forming cavity.

[0012] The support has a cushioning state and a taking-out state, in the cushioning state, the support is cushioned between the nozzle brick mold and the base.

[0013] Further, the elastic member is sleeved on the column, one end of which is connected with the upper surface of the base, and the other end is connected with the lower surface of the floating platform.

[0014] Further, the support is movably cushioned at the bottom center position of the nozzle brick mold, and the lower mold is penetrated in the support.

[0015] Further, the support comprises:

[0016] A U-shaped support plate, and the lower mold is penetrated in the U-shaped support plate;

[0017] A handle connected with the U-shaped support plate.

[0018] Further, the floating platform comprises:

[0019] A body;

[0020] A through hole arranged at the center position of the body, and the outer mold is penetrated in the through hole.

[0021] Further, the outer mold is provided with a boss at the top periphery.

[0022] Further, the base is provided with a through hole corresponding to the lower mold.

[0023] Further, the lower mold and the mold core are in an integral molding structure.

[0024] Further, the outer mold comprises an inner layer mold and an outer layer mold, and the outer wall of the inner layer mold and the inner wall of the outer layer mold are fastened and connected.

[0025] Further, the workbench further comprises a guide member, and the guide member comprises:

[0026] A guide sleeve ring arranged at the periphery of the outer mold;

[0027] A connecting member arranged between the guide sleeve ring and the base.

[0028] Compared with the prior art, the nozzle brick forming device provided in the embodiments of the utility model has at least the following technical effects:

[0029] The water gap brick forming device comprises a press and a workbench, the press is provided with a press head, the workbench is located below the press head, and the workbench comprises a base, a floating platform, an elastic member and a water gap brick mold. The base is provided with a stand column, the floating platform is movably installed at one end of the stand column away from the base, the elastic member is arranged between the base and the floating platform, the water gap brick mold comprises an upper mold, a lower mold, a mold core and an outer mold, the outer mold is vertically arranged on the floating platform, the lower mold is slidably arranged at the bottom opening of the outer mold, the upper mold is movably arranged at the top opening of the outer mold and corresponds to the press head, the mold core is arranged on the central axis of the outer mold, the upper mold, the lower mold, the mold core and the outer mold surround to form a water gap brick forming cavity, the supporting member has a cushioning state and a taking-out state, and through the state switching of the supporting member, a bidirectional pressing effect can be realized, which is beneficial to reducing the generation of sand holes and air holes in the water gap brick forming process, improving the density and strength of the water gap brick, thereby enhancing the ability of the water gap brick to resist high-temperature molten steel erosion and corrosion in the process of molten steel, and further improving the stability of the casting billet process and the quality of the ingot product. BRIEF DESCRIPTION OF DRAWINGS

[0030] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments described in the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0031] Figure 1 It is a structural schematic view of the water gap brick forming device in the embodiments of the present application.

[0032] Reference signs:

[0033] 11, press head; 21, base; 211, through hole; 22, stand column; 23, floating platform; 24, elastic member; 251, upper mold; 252, lower mold; 253, mold core; 2541, boss; 2542, inner layer mold; 2543, outer layer mold; 255, water gap brick forming cavity; 26, supporting member. DETAILED DESCRIPTION

[0034] In order to make those skilled in the art better understand the technical scheme in the present application, the technical scheme in the embodiments of the present application will be clearly and completely described below. Obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0035] It should be noted that when an element is referred to as being "fixed" or "set" on another element, it can be directly on the other element or indirectly on the other element; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or indirectly connected to the other element.

[0036] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the drawings shown, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0037] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of", "several" is two or more, unless otherwise explicitly specified.

[0038] It should be understood that the structure, proportion, size and the like shown in the drawings of the present application are only used to cooperate with the content disclosed in the description, to enable those skilled in the art to understand and read, and are not used to limit the implementation conditions of the present application, so they do not have technical significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the effects and purposes that can be achieved by the present application, should still fall within the scope of the technical content disclosed by the present application.

[0039] Please refer to the drawings Figure 1As shown, the utility model embodiment provides a water gap brick forming device, including press and workstation, press is provided with pressure head 11, workstation is located below pressure head 11, and the workstation includes base 21, floating platform 23, elastic part 24 and water gap brick mould. Base 21 is provided with stand 22, and floating platform 23 is movably installed at the end of stand 22 away from base 21. The elastic part 24 is arranged between the base 21 and the floating platform 23. The water gap brick mould includes upper die 251, lower die 252, die core 253 and outer die. The outer die is vertically arranged on the floating platform 23. The lower die 252 is slidably arranged at the bottom opening of the outer die. The upper die 251 is movably arranged at the top opening of the outer die and corresponds to the pressure head 11. The die core 253 is arranged on the central axis of the outer die. The upper die 251, the lower die 252, the die core 253 and the outer die form a water gap brick forming cavity 255. The support 26 has a cushioning state and a removal state. In the cushioning state, the support 26 is movably arranged between the water gap brick mould and the base 21. The number of stand 22 is four, and the four stands 22 are arranged at the four corners of the base 21. The floating platform 23 is movably installed at the end of the stand 22 away from the base 21, and is arranged in parallel with the base 21.

[0040] The support 26 has a cushioning state and a removal state. In the cushioning state, the support 26 is arranged between the water gap brick mould and the base 21 to support the bottom of the outer die. At this time, the pressure head 11 acts on the upper die 251, so that the upper die 251 slides downward to extrude the material at the top of the water gap brick forming cavity 255, realizing top pressure. In the removal state, the bottom of the outer die is suspended above the base 21. At this time, the pressure head 11 acts on the upper die 251, so that the floating platform 23 moves downward, so that the lower die 252 extrudes the material at the bottom of the water gap brick forming cavity 255, realizing bottom pressure.

[0041] In the embodiment, the nozzle brick forming device comprises a press and a workbench. The press is provided with a press head 11, and the workbench is located below the press head 11. The workbench comprises a base 21, a floating platform 23, an elastic member 24 and a nozzle brick mold. The base 21 is provided with a stand column 22, the floating platform 23 is movably installed at one end of the stand column 22 away from the base 21, the elastic member 24 is arranged between the base 21 and the floating platform 23, the nozzle brick mold comprises an upper mold 251, a lower mold 252, a mold core 253 and an outer mold, the outer mold is vertically arranged on the floating platform 23, the lower mold 252 is slidably arranged at the bottom opening of the outer mold, the upper mold 251 is movably arranged at the top opening of the outer mold and corresponds to the press head 11, the mold core 253 is arranged on the central axis of the outer mold, the upper mold 251, the lower mold 252, the mold core 253 and the outer mold form a nozzle brick forming cavity 255, the supporting member 26 has a cushioning state and a taking-out state, and through the state switching of the supporting member 26, a bidirectional pressing effect can be realized, which is beneficial to reduce the generation of sand holes and air holes in the nozzle brick forming process, improve the density and strength of the nozzle brick, thereby enhancing the ability of the nozzle brick to resist high-temperature molten steel erosion and corrosion in the process of flowing steel, and further improving the stability of the casting billet process and the quality of the ingot product.

[0042] In some optional embodiments, the elastic member 24 is sleeved on the stand column 22, one end of which is connected with the upper surface of the base 21, and the other end is connected with the lower surface of the floating platform 23. The elastic member 24 is a spring.

[0043] In some optional embodiments, the supporting member 26 is movably cushioned at the bottom center position of the nozzle brick mold, and the lower mold 252 is arranged in the supporting member 26. Specifically, the supporting member 26 is provided with a space for the lower mold 252 to pass through.

[0044] In some optional embodiments, the supporting member 26 comprises a U-shaped support plate and a handle, the lower mold 252 is arranged in the U-shaped support plate, and the handle is connected with the U-shaped support plate. The handle is convenient for users to take and place the supporting member 26.

[0045] In some optional embodiments, the floating platform 23 comprises a body and a through hole, the through hole is arranged at the center position of the body, and the outer mold is arranged in the through hole. In a specific embodiment, the floating platform 23 is rectangular, and the four corners of the floating platform 23 are movably installed on the corresponding four stand columns 22.

[0046] In some optional embodiments, the outer mold is circumferentially provided with a boss 2541. When the outer mold is arranged in the through hole, the boss 2541 is tightly arranged on the surface of the body.

[0047] In some optional embodiments, the base 21 is provided with a through hole 211 at a position corresponding to the lower mold 252. The diameter of the through hole 211 is smaller than the diameter of the lower mold 252. In this embodiment, the through hole 211 is provided, so that the nozzle brick can be easily taken out from the nozzle brick forming cavity 255 through the through hole 211 after the pressing is completed.

[0048] In some optional embodiments, the lower mold 252 and the mold core 253 are integrally formed.

[0049] In some optional embodiments, the outer mold comprises an inner layer mold 2542 and an outer layer mold 2543, and the outer wall of the inner layer mold 2542 and the inner wall of the outer layer mold 2543 are fixedly connected. This design greatly improves the strength of the nozzle brick mold, so that the nozzle brick mold is not easily damaged during use.

[0050] In some optional embodiments, the workbench further comprises a guide member, the guide member comprises a guide sleeve ring and a connecting member, the guide sleeve ring is arranged on the circumference of the outer mold, and the connecting member is arranged between the guide sleeve ring and the base 21. In this embodiment, the guide member is provided, so that the outer mold can be guided to move along the axial direction of the column 22 following the floating platform 23.

[0051] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A nozzle brick forming device, characterized in that: The invention comprises a press and a workbench, wherein the press is provided with a pressing head, the workbench is located below the pressing head, and the workbench comprises: A base, provided with columns; A floating platform, movably mounted on an end of the column away from the base; an elastic member, disposed between the base and the floating platform; A nozzle brick mold comprises an upper mold, a lower mold, a mold core, and an outer mold, wherein the outer mold is vertically arranged on the floating platform, the lower mold is slidably arranged at the bottom opening of the outer mold, the upper mold is movably arranged at the top opening of the outer mold and is arranged corresponding to the pressure head, the mold core is arranged on the central axis of the outer mold, and the upper mold, lower mold, mold core, and outer mold surround a nozzle brick forming cavity; The support member has a padding state and a removal state. In the padding state, the support member is padded between the nozzle brick mold and the base.

2. The nozzle brick forming device according to claim 1, characterized in that: The elastic member is sleeved on the column, one end of which is connected to the upper surface of the base, and the other end of which is connected to the lower surface of the floating platform.

3. The nozzle brick forming device according to claim 1, characterized in that: The support member is movably cushioned at the bottom center of the nozzle brick mold, and the lower mold is inserted into the support member.

4. The nozzle brick forming device according to claim 3, characterized in that: The support member comprises: A U-shaped support plate, wherein the lower mold is inserted into the U-shaped support plate; A handle is connected to the U-shaped support plate.

5. The nozzle brick forming device according to claim 1, characterized in that: The floating platform comprises: ontology; A through hole is provided at the center of the body, and the outer mold is provided through the through hole.

6. The nozzle brick forming device according to claim 5, characterized in that: A boss is circumferentially provided on the top of the outer mold.

7. The nozzle brick forming device according to claim 1, characterized in that: Through holes are provided at positions corresponding to the base and the lower mold.

8. The nozzle brick forming device according to claim 1, characterized in that: The lower mold and the mold core are an integrally formed structure.

9. The nozzle brick forming device according to claim 1, characterized in that: The outer mold includes an inner layer mold and an outer layer mold, and the outer wall of the inner layer mold and the inner wall of the outer layer mold are tightly connected.

10. The nozzle brick forming device according to claim 1, characterized in that: The workbench further includes a guide member, which includes: A guide collar, arranged in the circumference of the outer mold; A connecting member is arranged between the guide collar and the base.