CN210500716U

CN210500716U - Magnesium carbon brick mould that compaction is effectual

Info

Publication number: CN210500716U
Application number: CN201920746897.0U
Authority: CN
Inventors: 邵小龙; 姚磊; 蒋伟杰
Original assignee: Changzhou Suzhou Refractory And Metallurgical Refractories Co ltd
Current assignee: Changzhou Suzhou Refractory And Metallurgical Refractories Co ltd
Priority date: 2019-05-22
Filing date: 2019-05-22
Publication date: 2020-05-12
Anticipated expiration: 2029-05-22

Abstract

The utility model relates to the technical field of mold, especially, relate to an effectual magnesia carbon brick mould of compaction. At present, a mold for producing magnesia carbon bricks is developed rapidly, but the produced magnesia carbon bricks are poor in compactness, contain a small amount of air inside, are easy to crack and fall off after being washed at a high temperature in a converter, and are short in service life. The utility model discloses a setting the gland at the upright depression bar lower extreme, the spring setting is between horizontal depression bar and sealed lid, on the upright depression bar external diameter, the pipe connection sets up in sealed lid upper end, it sets up at the pipe connection lower extreme to filter the cotton, the pipe connection communicates with vacuum generator, make sealed lid can pass through end face seal and lower mould end face seal, vacuum generator passes through the pipe connection and takes out the air in the lower mould inner chamber, the gland is the magnesia carbon brick compaction under the drive of hydro-cylinder, the closely knit degree of magnesia carbon brick has been improved effectively. The utility model discloses mainly used magnesium carbon brick mould.

Description

Magnesium carbon brick mould that compaction is effectual

Technical Field

The utility model relates to the technical field of mold, especially, relate to an effectual magnesia carbon brick mould of compaction.

Background

The magnesia carbon brick is produced with magnesia as high melting point oxide and high melting point carbon material difficult to be infiltrated by slag as material and through adding various non-oxide additives. The composite non-charring refractory material is made up by using carbon binding agent. The magnesia carbon brick is mainly used for the inner liners of converters, alternating current electric arc furnaces and direct current electric arc furnaces, slag lines of ladles and other parts. At present, a mold for producing magnesia carbon bricks is developed rapidly, but the produced magnesia carbon bricks are poor in compactness, contain a small amount of air inside, are easy to crack and fall off after being washed at a high temperature in a converter, and are short in service life.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model aims at providing a magnesia carbon brick mould that compaction effect that the closely knit degree of magnesia carbon brick of simple structure and production is good.

The technical scheme of the utility model as follows:

a magnesia carbon brick mould with good compaction effect comprises a base 1, a lower mould component 2 and an upper mould component 3; the base 1 is horizontally arranged, the lower die assembly 2 and the upper die assembly 3 are respectively arranged on two sides of the upper end of the base 1, and the upper die assembly 3 can be automatically matched with and separated from the lower die assembly 2; the lower die assembly 2 comprises a lower die 24 and an end face sealing ring 21, the lower die 24 is arranged at the upper end of the base 1, and the end face sealing ring 21 is arranged at the upper end of the lower die 24; the upper die assembly 3 comprises an oil cylinder 31, a transverse compression rod 32, a gland 34, a sealing cover 35, a vertical compression rod 36, a spring 37, a piston sealing ring 38, an air pipe joint 39 and filter cotton 40; the oil cylinder 31 is vertically arranged at the upper end of the base 1, the transverse pressure rod 32 is horizontally arranged, one end of the transverse pressure rod is connected with an output shaft of the oil cylinder 31, the vertical pressure rod 36 is vertically arranged at the bottom of one end of the transverse pressure rod 32, the sealing cover 35 is arranged on the outer diameter of the vertical pressure rod 36, sliding sealing is completed between the sealing cover 35 and the vertical pressure rod 36 through a piston sealing ring 38, the sealing cover 35 is sealed with the end surface of the lower die 24 through an end surface sealing ring 21, the pressing cover 34 is arranged at the lower end of the vertical pressure rod 36, the spring 37 is arranged between the transverse pressure rod 32 and the sealing cover 35 and on the outer diameter of the vertical pressure rod 36, the air pipe joint 39 is arranged at the upper end of the sealing cover 35, the filter cotton 40 is arranged at the lower end of the air pipe joint 39, the air pipe joint 39 is communicated with the vacuum generator, the gland is driven by the oil cylinder to compact the magnesia carbon brick 4, so that the compactness of the magnesia carbon brick is effectively improved.

Preferably, 24 side outer walls of lower mould go up the winding and are equipped with heating wire 23 on 24 side outer walls of lower mould, the heating wire 23 outside is equipped with water tank 22 for the heating wire can heat before the evacuation of lower mould inner chamber, and the water tank can cool off after the evacuation of lower mould inner chamber, and after expend with heat and contract with cold, the vacuum in the lower mould inner chamber is higher, advances the closely knit degree that the magnesia carbon brick sent out once effectively.

Preferably, the sealing ring 33 is arranged on the outer diameter of the gland 34, so that the gland can be in seamless contact with the inner cavity of the lower die, powder is prevented from flowing out of the inner cavity of the lower die, and the weight precision of the magnesia carbon brick is effectively improved.

Preferably, the sealing ring 33 is provided with an inclined opening 331, so that the sealing ring can freely extend and retract, and the contact tightness between the gland and the inner cavity of the lower die is effectively improved.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a front view of the sealing ring of the present invention;

in the figure: the device comprises a base 1, a lower die component 2, an upper die component 3, a magnesia carbon brick 4, an end face sealing ring 21, a water tank 22, a heating wire 23, a lower die 24, an oil cylinder 31, a transverse pressure rod 32, a sealing ring 33, a gland 34, a sealing cover 35, a vertical pressure rod 36, a spring 37, a piston sealing ring 38, an air pipe joint 39, filter cotton 40 and an inclined opening 331.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 and 2, in a preferred embodiment of the present invention, the magnesia carbon brick mold with good compacting effect comprises a base 1, a lower mold component 2 and an upper mold component 3; the base 1 is horizontally arranged, the lower die assembly 2 and the upper die assembly 3 are respectively arranged on two sides of the upper end of the base 1, and the upper die assembly 3 can automatically close and separate dies with the lower die assembly 2; the lower die assembly 2 comprises a lower die 24 and an end face sealing ring 21, the lower die 24 is arranged at the upper end of the base 1, and the end face sealing ring 21 is arranged at the upper end of the lower die 24; the upper die component 3 comprises an oil cylinder 31, a transverse compression bar 32, a gland 34, a sealing cover 35, a vertical compression bar 36, a spring 37, a piston sealing ring 38, an air pipe joint 39 and filter cotton 40; the oil cylinder 31 is vertically arranged at the upper end of the base 1, the transverse pressure rod 32 is horizontally arranged, one end of the transverse pressure rod is connected with an output shaft of the oil cylinder 31, the vertical pressure rod 36 is vertically arranged at the bottom of one end of the transverse pressure rod 32, the sealing cover 35 is arranged on the outer diameter of the vertical pressure rod 36, sliding sealing is completed between the sealing cover 35 and the vertical pressure rod 36 through the piston sealing ring 38, the sealing cover 35 is end-face sealed with the lower die 24 through the end-face sealing ring 21, the pressing cover 34 is arranged at the lower end of the vertical pressure rod 36, the spring 37 is arranged between the transverse pressure rod 32 and the sealing cover 35 and on the outer diameter of the vertical pressure rod 36, the air pipe joint 39 is arranged at the upper end of the sealing cover 35, the filter cotton 40 is arranged at the lower end of the air pipe joint 39, the air pipe joint 39 is communicated with the vacuum generator, so that the sealing, effectively improves the compactness of the magnesia carbon brick. The heating wire 23 is arranged on the outer wall of the side face of the lower die 24 in an encircling mode, the water tank 22 is arranged on the outer wall of the side face of the lower die 24 and outside the heating wire 23, the heating wire can be heated before the vacuumizing of the inner cavity of the lower die, the water tank can be cooled after the vacuumizing of the inner cavity of the lower die, after the thermal expansion and the cold contraction, the vacuum degree in the inner cavity of the lower die is higher, and the compactness of the magnesia carbon brick is effectively improved. And the sealing ring 33 is arranged on the outer diameter of the gland 34, so that the gland can be in seamless contact with the inner cavity of the lower die, powder is prevented from flowing out of the inner cavity of the lower die, and the weight precision of the magnesia carbon brick is effectively improved. The inclined opening 331 is arranged on the sealing ring 33, so that the sealing ring can freely stretch and retract, and the contact tightness between the gland and the inner cavity of the lower die is effectively improved.

The working principle is as follows:

firstly pouring magnesium carbon powder into an inner cavity of a lower die, then heating the lower die by an electric heating wire, then driving a vertical pressure rod to move downwards by an oil cylinder, further driving a sealing cover to press an end face sealing ring to be sealed with the end face of the lower die under the action of a spring, stopping heating by the electric heating wire, then pumping air in the inner cavity of the lower die by a vacuum generator through an air pipe joint, cooling the lower die by a water tank, and driving a pressing cover to compact the magnesium carbon powder by the downward movement of the vertical pressure rod.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an effectual magnesia carbon brick mould of compaction which characterized in that: comprises a base (1), a lower die component (2) and an upper die component (3); the base (1) is horizontally arranged, the lower die assembly (2) and the upper die assembly (3) are respectively arranged on two sides of the upper end of the base (1), and the upper die assembly (3) can be automatically matched with and separated from the lower die assembly (2); the lower die assembly (2) comprises a lower die (24) and an end face sealing ring (21), the lower die (24) is arranged at the upper end of the base (1), and the end face sealing ring (21) is arranged at the upper end of the lower die (24); the upper die assembly (3) comprises an oil cylinder (31), a transverse pressing rod (32), a pressing cover (34), a sealing cover (35), a vertical pressing rod (36), a spring (37), a piston sealing ring (38), an air pipe joint (39) and filter cotton (40); the oil cylinder (31) is vertically arranged at the upper end of the base (1), the transverse pressure rod (32) is horizontally arranged, one end of the vertical pressure rod (36) is connected with an output shaft of the oil cylinder (31), the vertical pressure rod is vertically arranged at the bottom of one end of the transverse pressure rod (32), the sealing cover (35) is arranged on the outer diameter of the vertical compression rod (36), the sealing cover (35) and the vertical compression rod (36) are in sliding sealing through a piston sealing ring (38), the sealing cover (35) is sealed with the end face of the lower die (24) through an end face sealing ring (21), the gland (34) is arranged at the lower end of the vertical compression rod (36), the spring (37) is arranged between the transverse compression rod (32) and the sealing cover (35) and on the outer diameter of the vertical compression rod (36), the air pipe joint (39) is arranged at the upper end of the sealing cover (35), the filter cotton (40) is arranged at the lower end of the air pipe joint (39), and the air pipe joint (39) is communicated with the vacuum generator.

2. The magnesia carbon brick mold according to claim 1, wherein: and heating wires (23) are arranged on the outer wall of the side surface of the lower die (24) in a surrounding manner, and water tanks (22) are arranged on the outer wall of the side surface of the lower die (24) and outside the heating wires (23).

3. The magnesia carbon brick mold according to claim 1, wherein: and a sealing ring (33) is arranged on the outer diameter of the gland (34).

4. The magnesia carbon brick mold according to claim 3, wherein: an inclined opening (331) is arranged on the sealing ring (33).