Cylindrical brick mold

Abstract

The utility model provides a cylindrical brick mold, which belongs to the technical field of refractory bricks and comprises a solid disc-shaped bottom plate, a hollow cylindrical large cylindrical mold with an upper opening and a lower opening, a hollow cylindrical small cylindrical mold with an upper opening and a lower opening, a flange and a pressure hammer. The outer circle face of the bottom plate is tightly attached to the inner circle face of the large cylinder mold, at least two first annular grooves used for containing the small cylinder molds are formed in the center of the inner circle face of the bottom plate, the bottom ends of the small cylinder molds are placed in the first grooves, and the inner circle faces of the small cylinder molds abut against the inner walls of the first grooves. The small cylinder mold is arranged in the large cylinder mold through the first groove, the flange is arranged on the inner circle face of the top end of the small cylinder mold and abuts against the inner circle face of the large cylinder mold to be used for fixing the small cylinder mold, the small cylinder mold is arranged in an existing large cylinder mold, the wall thickness of the manufactured small cylinder mold is reduced, and the cost of the mold is reduced; and the die-filling strength of workers is also reduced.

Description

Technical Field

[0001] This utility model belongs to the field of refractory brick technology, specifically relating to a cylindrical brick mold. Background Technology

[0002] Cylindrical refractory bricks, as an important refractory material, play an irreplaceable role in the industrial field. Made through high-temperature firing, they possess properties such as high-temperature stability, wear resistance, and corrosion resistance. Cylindrical refractory bricks are commonly used as linings in furnaces and flues in high-temperature environments to protect the furnace structure from high-temperature erosion. Currently, the use of cylindrical bricks is very widespread; however, the diameter of the cylindrical bricks required by each customer varies, and the usage volume is not large. When producing semi-finished cylindrical brick blanks, different molds need to be designed and manufactured. Existing cylindrical brick molds are heavy and large. If molds are made for every type of brick, the mold cost becomes very high. Molds of different sizes cannot be reused, and the workload for workers installing or changing molds is very heavy. In the context of cost reduction and efficiency improvement, it is necessary to reduce mold costs and decrease the workload of mold installation. Utility Model Content

[0003] To solve the aforementioned technical problems, this utility model proposes a cylindrical brick mold. By setting a groove on the base plate of an existing large cylindrical mold, the bottom end of a small cylindrical mold can be fixed inside the large cylindrical mold. A flange is set on the top of the small cylindrical mold, which not only fixes the small cylindrical mold but also facilitates mold disassembly. By changing the small cylindrical mold, its corresponding base plate, and flange according to different cylindrical brick sizes, the wall thickness of the existing large cylindrical mold can be fully utilized, and the wall thickness of the small cylindrical mold can be reduced. This reduces mold costs and mold strength.

[0004] The technical solution adopted in this utility model is to propose a cylindrical brick mold, including a solid disc-shaped base plate, a hollow cylindrical mold with openings at the top and bottom, a hollow cylindrical mold with openings at the top and bottom, a flange, a pressure hammer, and a pressure rod of the pressure hammer detachably connected to a press. A detachable base plate is placed at the bottom of the large cylindrical mold, and the outer surface of the base plate is tightly fitted to the inner surface of the large cylindrical mold. At least two annular grooves are provided at the center of the inner surface of the base plate to accommodate the small cylindrical mold. The bottom of the small cylindrical mold is placed in one of the grooves, and its inner surface abuts against the inner wall of the groove. The small cylindrical mold is placed inside the large cylindrical mold through the groove. The flange is placed on the outer surface of the top of the small cylindrical mold and abuts against the inner surface of the large cylindrical mold to fix the small cylindrical mold. The flange is a hollow disc-shaped structure. The large cylindrical mold has a second annular groove, the inner wall of which is detachably connected to the outer circle of the small cylindrical mold. By setting the small cylindrical mold inside the large cylindrical mold, especially by using the first groove on the base plate, the bottom end of the small cylindrical mold is fixed. This allows the first groove on the base plate to be set according to the size of the cylindrical brick to be formed, making full use of the first groove to fix the bottom end of the mold sleeve of the small cylindrical mold. The outer circle of the top of the small cylindrical mold is fixed by the second groove on the flange, so that the small cylindrical mold is firmly fixed inside the large cylindrical mold. The flange increases the wall thickness of the small cylindrical mold, allowing the outer circle of the flange to fit tightly against the inner wall of the large cylindrical mold. This effectively distributes the pressure of the pressure hammer pressing down on the small cylindrical mold to the large cylindrical mold when making the cylindrical brick. This effectively utilizes the existing large cylindrical mold, reduces the wall thickness of the small cylindrical mold, directly reduces the cost of making the small cylindrical mold, and also reduces the workload of the workers in setting up the mold.

[0005] Specifically, the flange can be either a one-piece molded structure or a detachable split structure.

[0006] Specifically, the flange is a detachable split structure, comprising two semi-circular long arc-shaped plates and a short arc-shaped plate movably connected to form a complete hollow disc. Long connecting heads are provided at both ends of the long arc-shaped plates, with the end faces of the long connecting heads lower than the end faces of the long arc-shaped plates. A circular hole (first hole) is provided on the long connecting head. Short connecting heads are provided at both ends of the short arc-shaped plates, with a circular hole (second hole) on the short connecting head. The length of the long connecting head is greater than the length of the short connecting head, and the sum of the thicknesses of the long and short connecting heads is equal to the thickness of the arc-shaped plate. The long and short arc-shaped plates are fixedly connected by bolts located between the first and second circular holes. Based on the size of the cylindrical brick to be produced, a large size requires significant worker strength during mold assembly; therefore, a detachable split structure is used to reduce the strength of the mold assembly.

[0007] Specifically, the small cylindrical mold can be a one-piece molded structure or a detachable split structure. Depending on the size of the cylindrical bricks to be produced, if the size is large and the workers have little strength to assemble the mold, a one-piece molded small cylindrical mold can be used, which is lightweight, quick, and improves labor efficiency.

[0008] Specifically, the small cylindrical mold is a detachable split structure, comprising three identical arc-shaped plates joined end to end to form a cylindrical structure. The arc-shaped plates are one-third of a circle. The size of the cylindrical bricks to be made depends on the size of the cylindrical bricks. If the size of the cylindrical bricks is large and the mold assembly is strenuous for workers, a detachable split structure can be used to reduce the mold assembly strenuousness.

[0009] Specifically, the size of the groove on the base plate is larger than the size of the outer circle of the small cylindrical mold.

[0010] Specifically, the inner circle of the small cylindrical mold is the outer circle of the cylindrical brick to be finished.

[0011] The beneficial effects of this utility model are as follows: 1. This utility model has a simple structure and is easy to use. By setting a groove on the bottom plate of the existing large cylindrical mold, the bottom end of the small cylindrical mold can be fixed inside the large cylindrical mold. A flange is set on the top of the small cylindrical mold, which can not only fix the small cylindrical mold but also facilitate the disassembly of the mold. According to the different sizes of cylindrical bricks, by replacing the small cylindrical mold and its corresponding bottom plate and flange, the wall thickness of the existing large cylindrical mold can be fully utilized, and the wall thickness of the small cylindrical mold can be reduced. This reduces the mold cost and the mold strength.

[0012] 2. The small cylindrical mold and flange of this utility model have two structures: complete and detachable. They can adapt to different working conditions, facilitate workers' processing needs, and improve work efficiency. Attached Figure Description

[0013] Figure 1 This is an exploded view of the present invention;

[0014] Figure 2 This is a three-dimensional schematic diagram of the present invention;

[0015] Figure 3 This is an exploded view of Embodiment 2 of the present invention;

[0016] Figure 4 This is a perspective view of Embodiment 2 of the present invention;

[0017] Attached reference numerals: 1. Base plate; 2. Large cylindrical mold; 3. Small cylindrical mold; 31. Arc plate; 4. Groove I; 5. Flange; 51. Long arc plate; 52. Short arc plate; 511. Long connector; 521. Short connector; 512. Round hole I; 522. Round hole II; 6. Pressure hammer head; 61. Pressure rod; 7. Groove II. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Example 1: As Figure 1-2 The diagram shows a cylindrical brick mold, comprising a solid disc-shaped base plate 1, a hollow cylindrical large cylindrical mold 2 with openings at the top and bottom, a hollow cylindrical small cylindrical mold 3 with openings at the top and bottom, a flange 5, a pressure hammer head 6, and a pressure rod 61 of the pressure hammer head 6 detachably connected to a press. A detachable base plate 1 is placed at the bottom end of the large cylindrical mold 2, with the outer surface of the base plate 1 tightly fitted to the inner surface of the large cylindrical mold 2. At least two or more emplacements for accommodating the small cylindrical mold 3 are located at the center of the inner surface of the base plate 1. The bottom of the small cylindrical mold 3 is placed in the annular groove 4, and the inner circular surface of the small cylindrical mold 3 abuts against the inner wall of the groove 4. The small cylindrical mold 3 is placed inside the large cylindrical mold 2 through the groove 4. The flange 5 is placed on the outer circular surface of the top of the small cylindrical mold 3 and abuts against the inner circular surface of the large cylindrical mold 2 to fix the small cylindrical mold 3. The flange 5 is a hollow disc-shaped structure. The center of the inner circular surface of the flange 5 is provided with an annular groove 7. The inner wall of the groove 7 is detachably connected to the outer circle of the small cylindrical mold 3.

[0020] Preferably, the flange is a one-piece molded structure.

[0021] Preferably, the small cylindrical mold 3 is a one-piece molded structure.

[0022] Preferably, the size of the groove 4 on the base plate 1 is larger than the size of the outer circle of the small cylindrical mold 3.

[0023] Preferably, the inner circle size of the small cylindrical mold 3 is the outer circle size of the cylindrical brick to be finished.

[0024] Working process: When it is necessary to make cylindrical bricks, place the one-piece molded small cylindrical mold 3 into the groove 4 of the bottom plate 1 of the large cylindrical mold 2, and then place the one-piece molded flange 5 on the upper surface of the small cylindrical mold 3. Align the inner groove 7 of the one-piece molded flange 5 with the outer circle of the one-piece molded small cylindrical mold 3, so that the outer circle of the one-piece molded flange 5 fits against the inner wall of the large cylindrical mold 2. Use a tonnage press to press and make cylindrical bricks. After the production is completed, simply reverse the assembly steps described above.

[0025] Example 2: Figure 3-4The diagram shows a cylindrical brick mold, comprising a solid disc-shaped base plate 1, a hollow cylindrical large cylindrical mold 2 with openings at the top and bottom, a hollow cylindrical small cylindrical mold 3 with openings at the top and bottom, a flange 5, a pressure hammer head 6, and a pressure rod 61 of the pressure hammer head 6 detachably connected to a press. A detachable base plate 1 is placed at the bottom end of the large cylindrical mold 2, with the outer surface of the base plate 1 tightly fitted to the inner surface of the large cylindrical mold 2. At least two or more emplacements for accommodating the small cylindrical mold 3 are located at the center of the inner surface of the base plate 1. The bottom of the small cylindrical mold 3 is placed in the annular groove 4, and the inner circular surface of the small cylindrical mold 3 abuts against the inner wall of the groove 4. The small cylindrical mold 3 is placed inside the large cylindrical mold 2 through the groove 4. The flange 5 is placed on the outer circular surface of the top of the small cylindrical mold 3 and abuts against the inner circular surface of the large cylindrical mold 2 to fix the small cylindrical mold 3. The flange 5 is a hollow disc-shaped structure. The center of the inner circular surface of the flange 5 is provided with an annular groove 7. The inner wall of the groove 7 is detachably connected to the outer circle of the small cylindrical mold 3.

[0026] Preferably, the flange 5 is a detachable split structure, comprising a complete hollow disc formed by the movable connection of two semi-circular long arc plates 51 and short arc plates 52. Long connectors 511 are provided at both ends of the long arc plates 51, with the end face of the long connector 511 being lower than the end face of the long arc plates 51. A first circular hole 512 is provided on the long connector 511. Short connectors 521 are provided at both ends of the short arc plates 52, with a second circular hole 522 provided on each short connector 521. The length of the long connector 511 is greater than the length of the short connector 521, and the sum of the thicknesses of the long connector 511 and the short connector 521 is equal to the thickness of the arc plates. The long arc plates 51 and the short arc plates 52 are fixedly connected by bolts located between the first circular hole 512 and the second circular hole 522.

[0027] Preferably, the small cylindrical mold 3 is a detachable split structure, comprising three identical arc-shaped plates 31 joined end to end to form a cylindrical structure. The arc-shaped plates 31 are arc-shaped structures of one-third circle. The size of the cylindrical bricks to be made depends on the size of the cylindrical bricks. If the size of the cylindrical bricks is large and the mold assembly is strenuous for workers, a detachable split structure can be used to reduce the mold assembly strenuousness.

[0028] Preferably, the size of the groove 4 on the base plate 1 is larger than the size of the outer circle of the small cylindrical mold 3.

[0029] Preferably, the inner circle of the small cylindrical mold 3 is the same as the outer circle of the cylindrical brick to be finished.

[0030] Working process: When it is necessary to make cylindrical bricks, the three arc-shaped plates 31 of the detachable split-structure small cylindrical mold 3 are sequentially joined end to end and placed into the groove 4 of the bottom plate 1 of the large cylindrical mold 2 to form a cylindrical structure. Then, the detachable split-structure flange 5 is placed on the upper end face of the detachable split-structure small cylindrical mold 3, and the inner circle groove 7 of the detachable split-structure flange 5 is aligned with the outer circle of the detachable split-structure small cylindrical mold 3, so that the outer circle of the detachable split-structure flange 5 fits against the inner wall of the large cylindrical mold 2. The cylindrical bricks are made by pressing with a tonnage press. After the production is completed, the assembly steps are reversed.

[0031] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A cylindrical brick mold, characterized in that: The device includes a solid disc-shaped base plate (1), a hollow cylindrical mold with openings at the top and bottom (2), a hollow cylindrical mold with openings at the top and bottom (3), a flange (5), a pressure hammer (6), and a pressure rod (61) of the pressure hammer (6) which is detachably connected to the press. The bottom of the large cylindrical mold (2) is fitted with a detachable base plate (1). The outer circular surface of the base plate (1) is in close contact with the inner circular surface of the large cylindrical mold (2). At least two annular grooves (4) for accommodating the small cylindrical mold (3) are provided at the center of the inner circular surface of the base plate (1). The bottom of the small cylindrical mold (3) is placed in the first groove (4). The inner surface of the small cylindrical mold (3) abuts against the inner wall of the first groove (4) and is placed inside the large cylindrical mold (2) through the first groove (4). The flange (5) is placed on the outer surface of the top of the small cylindrical mold (3) and abuts against the inner surface of the large cylindrical mold (2) to fix the small cylindrical mold (3). The flange (5) is a hollow disc-shaped structure. The center of the inner surface of the flange (5) is provided with an annular groove (7). The inner wall of the groove (7) is detachably connected to the outer circle of the small cylindrical mold (3).

2. The cylindrical brick mold according to claim 1, characterized in that: Flanges (5) are either integrally formed or detachable split structures.

3. A cylindrical brick mold according to claim 1, characterized in that: The flange (5) is a detachable split structure, comprising two semi-circular long arc plates (51) and short arc plates (52) connected together to form a complete hollow disc. The long arc plates (51) are provided with long connectors (511) at both ends. The end face of the long connectors (511) is lower than the end face of the long arc plates (51). The long connectors (511) are provided with a first round hole (512). The short arc plates (52) are provided with short connectors (521) at both ends. The short connectors (521) are provided with a second round hole (522). The length of the long connectors (511) is greater than the length of the short connectors (521), and the sum of the thicknesses of the long connectors (511) and the short connectors (521) is equal to the thickness of the arc plates. The long arc plates (51) and the short arc plates (52) are fixedly connected by bolts provided between the first round hole (512) and the second round hole (522).

4. A cylindrical brick mold according to claim 1, characterized in that: The small cylindrical mold (3) is either an integrally formed structure or a detachable split structure.

5. A cylindrical brick mold according to claim 4, characterized in that: The small cylindrical mold (3) is a detachable split structure, including three identical arc plates (31) that are joined end to end to form a cylindrical structure. The arc plate (31) is an arc-shaped structure with one-third circle.

6. A cylindrical brick mold according to claim 5, characterized in that: The size of the groove 4 on the base plate (1) is larger than the size of the outer circle of the small cylindrical mold (3).

7. A cylindrical brick mold according to claim 6, characterized in that: The inner circle of the small cylindrical mold (3) is the outer circle of the cylindrical brick to be finished.

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