Steel brick composite flange brick for rolled glass forming

Abstract

The utility model provides a steel brick composite flange brick for forming rolled glass, which is arranged on two sides of the top surface of a lip brick, a calender is arranged behind the lip brick, the calender comprises an upper calendering roller and a lower calendering roller, the steel brick composite flange brick comprises a flange brick body, a top end part a and a bottom end part b, cambered surfaces arranged at the upper part and the lower part of the tip part a are respectively matched with the upper calendaring roller and the lower calendaring roller, and a clamping part a clamped on a lip tile is arranged on the inner side of the cambered surface at the lower part of the tip part a; and at least the part between the upper calendering roller and the lower calendering roller is arranged in a profiling manner according to the outer contour of the tip part a, and the baffle structure is made of heat-resistant steel. By arranging the steel baffle structure which is profiled with the outer contour of the flange brick on the inner side of the tip end of the flange brick, the steel baffle structure provides an accurate contour, the flange brick body provides structural strength and heat preservation, the steel baffle structure is small in area, the heat dissipation area and the heat dissipation speed are greatly reduced, the production cost is reduced, and the edge clearing loss is greatly reduced; the problem that in the prior art, a steel flange brick is large in heat dissipation area and too fast in heat dissipation, so that the glass edge is crystallized, and edge loss is large is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of glass preparation devices, in particular to a steel brick composite retaining brick for rolled glass forming. Background Art

[0002] The retaining bricks for rolled glass molding are mainly used in the production of glass by the rolling method. They are placed on both sides of the lip bricks to facilitate edge shrinkage and expansion, timely adjust the board surface, reduce edge loss, that is, reduce edge loss. The existing retaining bricks are mainly divided into two categories. One type is made of refractory bricks. On the one hand, this type of retaining brick is easy to crack and break at high temperatures, and is easily corroded by glass liquid, resulting in large edge loss. On the other hand, the refractory bricks are limited by their brittle material properties, and the processing size of the corners is too large. The gap between the edge of the tip and the upper and lower rollers is large, resulting in a large amount of glass liquid overflow, large edge loss of the original board, and a decrease in the total yield rate. The other type uses heat-resistant alloy steel as edge bricks, which are expensive. Due to the precise processability of steel, the shape of the tip area of ​​the edge brick can be processed to accurately fit the outer circle of the upper and lower rollers, effectively solving the defect of large overflow of refractory brick glass liquid. However, the thermal conductivity of steel is large, and the steel edge bricks dissipate heat quickly, resulting in low temperature of the edge glass liquid. The most serious problem is the growth of crystals in the low-temperature glass liquid. As production continues, the crystals continue to grow and are brought into the glass original plate with the glass liquid. Crystallization stones appear on the glass original plate, resulting in a decrease in the total yield of glass.

[0003] Chinese patent CN212800125U discloses a retaining edge structure, which belongs to the technical field of glass preparation equipment. The retaining edge structure includes retaining edge bricks, baffles, movable crossbeams and fixed brackets; a first through hole is provided on the upper part of the fixed bracket, and the movable crossbeam passes through the first through hole and is fixedly connected to one side of the retaining edge brick. The retaining edge brick is a wedge-shaped structure, and the top of the tip of the retaining edge brick is an arc surface structure. The baffle is a rectangular parallelepiped structure, and the baffle is connected to the wide end of the retaining edge brick; the baffle and the retaining edge brick are made of stainless steel. The retaining edge structure provided by the utility model is easy to operate, has high adjustment accuracy, strong operability, fast adjustment speed, and is more durable. Its use can effectively improve the yield rate of the product. At the same time, the use of the retaining edge device greatly reduces the labor intensity and time of the operator at high temperature, further reduces the production cost, and improves the production efficiency.

[0004] However, the utilization rate of this technical solution in actual production is relatively low, and it has the following problems: first, the large-scale use of stainless steel will increase production costs, lead to rising product prices, and affect product competitiveness; second, its baffles and side bricks are made of stainless steel, with a large heat dissipation area. If the heat dissipation is too fast, it is easy to cause crystallization at the edge, scratch the calendering roller surface, and cause large edge cleaning losses, affecting the total glass yield. Utility Model Content

[0005] The purpose of the utility model is to provide a steel brick composite side retaining brick for rolled glass forming in view of the deficiencies in the prior art. A steel baffle structure that imitates the outer contour of the side retaining brick is provided at the tip area of ​​the side retaining brick to effectively combine the two, so that the steel baffle structure provides a precise contour, the side retaining brick body provides structural strength and thermal insulation, the steel baffle structure has a small area, the heat dissipation area and heat dissipation speed are greatly reduced, the production cost is reduced, and the edge cleaning loss is greatly reduced, thereby solving the problem in the prior art that the steel side retaining brick has a large heat dissipation area and the heat dissipation is too fast, which causes crystallization at the edge of the glass and leads to large edge loss.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A steel brick composite retaining brick for rolled glass forming is arranged on both sides of the top surface of the lip brick, and a calender is arranged behind it, and the calender includes an upper calendering roller and a lower calendering roller. The steel brick composite retaining brick includes:

[0008] A retaining brick body, one end of which is provided with a tip portion a; and

[0009] A baffle structure is provided at least on the inner side of the tip a, the inner side surface of the baffle structure and the inner side surface of the tip a are located in the same plane, and at least the portion of the baffle structure located between the upper calendering roller and the lower calendering roller is contoured according to the outer contour of the tip a, and the baffle structure is made of heat-resistant steel.

[0010] As a preferred embodiment, the upper and lower parts of the tip portion a are both curved surfaces, which are respectively matched with the upper calendering roller and the lower calendering roller. A tip portion b is provided on the baffle structure corresponding to the tip portion a. The upper curved surface of the tip portion b is higher than the upper curved surface of the tip portion a and is arranged close to the upper calendering roller, and the lower curved surface of the tip portion b is lower than the lower curved surface of the tip portion a and is arranged close to the lower calendering roller, so that at least the tip portion b located between the upper calendering roller and the lower calendering roller covers the tip portion a, and the outer end of the tip portion b is in a pointed shape.

[0011] As a preferred embodiment, the retaining brick body is made of one of zirconium mullite, α-β fused corundum, sillimanite, clay brick and fused quartz.

[0012] As a preferred embodiment, a clamping portion a for clamping on the lip brick is provided at the lower part of the tip portion a, and a clamping portion b is provided on the baffle structure corresponding to the clamping portion a, and the shape and size of the clamping portion b are the same as those of the clamping portion a;

[0013] As a preferred embodiment, the end portion where the arc surface transitions between the clamping portion b and the lower portion of the tip portion b is in a sharp angle shape.

[0014] As a preference, an installation groove a for installing the baffle structure is provided on the inner side of the tip portion a of the edge retaining brick body.

[0015] Preferably, the baffle structure is connected to the tip portion a via a fastener.

[0016] As a preference, a fixing plate is provided on the outer side of the tip a of the retaining brick body, the fixing plate is arranged in a contour according to the outer contour of the tip a, and a mounting groove b for mounting the fixing plate is provided on the outer side of the tip a.

[0017] As a preference, the fastener is arranged through the baffle structure, the tip portion a and the fixing plate, and is fixed by an adaptor nut.

[0018] As a preference, a physical isolation layer is provided between the baffle structure and the fixing plate and the tip portion a respectively.

[0019] As a preferred embodiment, the baffle structure is made of one of 2080 heat-resistant steel, heat-resistant stainless steel or heat-resistant aviation steel.

[0020] The beneficial effects of the utility model are:

[0021] (1) The utility model provides a steel baffle structure with a smaller area at least on the inner side of the tip of the retaining brick, and the shape of the steel baffle structure is arranged according to the outer contour of the tip of the retaining brick, and the two are effectively fixed and connected by heat-resistant fasteners, so as to form an integrated steel-brick composite retaining brick structure of steel + brick, so that the steel baffle structure provides a precise contour, the retaining brick body provides structural strength and heat preservation, and the area of ​​the steel baffle structure can be made very small, which greatly reduces the heat dissipation area and heat dissipation speed, reduces production costs, and greatly reduces edge cleaning losses, thereby improving the yield rate of glass production, saving production costs, and improving product competitiveness.

[0022] (2) The utility model adopts a special design of the baffle structure, so that the baffle structure can be set close to the upper calendering roller and the lower calendering roller and be clamped with the lip brick, which can avoid the overflow of glass liquid to the greatest extent and reduce edge loss.

[0023] (3) The utility model forms a composite structure of steel + brick + steel by arranging a fixing plate on the outer side of the retaining brick and fixing the retaining plate with heat-resistant fasteners to connect the retaining plate structure, the retaining brick and the fixing plate. This allows both sides of the tip a to be evenly stressed, thereby improving the reliability and service life of the connection and ensuring that the entire structure can be telescopically moved on the lip brick.

[0024] (4) The utility model provides flexible isolation materials between the baffle structure and the fixing plate and the tip a respectively, thereby preventing damage between the fixing plate and the baffle structure and the bricks due to rigid contact, and at the same time has the functions of heat preservation and impact buffering. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the overall explosion structure of the utility model;

[0026] Figure 2 This is a schematic diagram of the installation position structure of the utility model;

[0027] Figure 3 This is a schematic diagram of the axonometric structure of the utility model;

[0028] Figure 4 It is a schematic diagram of the overall structure of the utility model;

[0029] Figure 5 This is a schematic diagram of the explosion structure of Example 1 of the utility model. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present utility model. In addition, the terms "first" and "second" are only used 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 as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0032] Embodiment 1

[0033] like Figure 1-5As shown, this embodiment provides a steel brick composite retaining brick for rolled glass forming, which is arranged on both sides of the top surface of the lip brick 1, and a calender 2 is arranged behind it, and the calender 2 includes an upper calendering roller 21 and a lower calendering roller 22. The steel brick composite retaining brick includes:

[0034] The retaining brick body 3 has a tip a4 at one end, and

[0035] The baffle structure 5 is provided at least on the inner side of the tip a4, the inner side surface of the baffle structure 5 and the inner side surface of the tip a4 are located in the same plane, and at least the portion of the baffle structure 5 located between the upper calendering roller 21 and the lower calendering roller 22 is configured according to the outer contour of the tip a4, and the baffle structure 5 is made of heat-resistant steel.

[0036] It should be noted that, in some embodiments, a steel baffle structure 5 is provided on the inner side of the side retaining brick, which can provide a certain degree of protection for the side retaining brick and reduce problems such as erosion and cracking of the side retaining brick. In addition, in the present embodiment, the baffle structure 5 is provided on the inner side of the tip a4 of the side retaining brick, that is, close to the lip of the lip brick, with a small area, and is not prone to the problem of large edge loss caused by the large heat dissipation area and excessive heat dissipation that causes crystallization at the edge of the glass in the prior art that fully covers the entire side of the side retaining brick.

[0037] like Figure 1-4 As shown, in some embodiments, the upper and lower parts of the tip portion a4 are both cambered surfaces, and the cambered surfaces arranged at the upper and lower parts of the tip portion a4 are respectively adapted to the upper calendering roller 21 and the lower calendering roller 22; a tip portion b51 is arranged on the baffle structure 5 corresponding to the tip portion a4, and the upper cambered surface of the tip portion b51 is higher than the upper cambered surface of the tip portion a4 and is arranged close to the upper calendering roller 21, and the lower cambered surface of the tip portion b51 is lower than the lower cambered surface of the tip portion a4 and is arranged close to the lower calendering roller 22, so that at least the tip portion b51 located between the upper calendering roller 21 and the lower calendering roller 22 covers the tip portion a4.

[0038] like Figure 1 , 5 As shown, in this embodiment, the outer end of the tip b51 is pointed and extends toward the calender 2, so that the baffle structure 5 can fill the gap between the upper calender roller and the lower calender roller as much as possible, avoiding overflow of glass liquid and reducing edge loss.

[0039] The retaining brick body 3 is made of one of zirconium mullite, α-β fused corundum, sillimanite, clay brick and fused quartz.

[0040] As a preference, in the present embodiment, the baffle structure 5 is embedded in the inner side surface of the tip a4 of the side retaining brick body 3. Specifically, the inner side of the tip a4 of the side retaining brick body 3 is provided with a mounting groove a42 for mounting the baffle structure 5, so that the inner side surface of the baffle structure 5 and the inner side surface of the tip a4 are located in the same plane to ensure the production and use effect.

[0041] Furthermore, the baffle structure 5 is connected to the tip portion a4 via a fastener 6 .

[0042] The baffle structure 5 is made of 2080 heat-resistant steel, heat-resistant stainless steel or heat-resistant aviation steel.

[0043] Embodiment 2

[0044] like Figure 1 , 5 As shown, the components identical or corresponding to those in the first embodiment are marked with the corresponding reference numerals in the first embodiment. For the sake of simplicity, only the differences from the first embodiment are described below. The difference between the second embodiment and the first embodiment is that: a clamping portion a41 for clamping on the lip brick 1 is provided on the inner side of the lower arc surface of the tip a4, and a clamping portion b52 is provided on the baffle structure 5 at a position corresponding to the clamping portion a41, and the shape and size of the clamping portion b52 are the same as those of the clamping portion a41; further, the end of the transition setting between the clamping portion b52 and the lower arc surface of the tip b51 is in a sharp angle. Because the molten glass is fluid, it will flow downward under the influence of gravity before entering the calender 2. The sharp-angle transition setting can reduce the gap between the lip brick 1 and the side brick, block this part of the molten glass, make the molten glass less likely to overflow, and reduce edge damage.

[0045] Embodiment 3

[0046] like Figure 1 , 4 As shown, the parts identical or corresponding to those in the second embodiment are marked with the corresponding reference numerals in the second embodiment. For the sake of simplicity, only the differences from the second embodiment are described below. The third embodiment is different from the second embodiment in that a fixing plate 7 is provided on the outer side of the tip a4 of the retaining brick body 3. The fixing plate 7 is arranged according to the outer contour of the tip a4 and can also be designed to be completely the same. A mounting groove b43 for mounting the fixing plate 7 is provided on the outer side of the tip a4.

[0047] Preferably, the outer side surface of the fixing plate 7 and the outer side surface of the edge retaining brick body 3 can be arranged in the same plane.

[0048] like Figure 4 , 5As shown, in this embodiment, the fastener 6 can be set through the baffle structure 5, the tip portion a4 and the fixing plate 7, and the three can be fixed together with a matching nut.

[0049] The retaining bricks have current standard sizes. In order to keep the size of the retaining bricks with the baffle structure 5 and the fixing plate 7 unchanged, corresponding installation grooves a42 and b43 need to be provided to place the baffle structure 5 and the fixing plate 7 respectively so that the retaining bricks maintain their original size.

[0050] In addition, since the fixing plate 7 is not in direct contact with the heat source, it can be made of ordinary steel.

[0051] In summary, the steel brick composite retaining brick in this embodiment adopts a steel + brick + steel structure, and is locked with a heat-resistant threaded steel fastener 6, so that both sides of the tip a4 can be evenly stressed, thereby improving the reliability of the connection.

[0052] Embodiment 4

[0053] like Figure 1 , 4 As shown, the same or corresponding parts as those in the first to third embodiments are marked with the corresponding reference numerals of the first to third embodiments. For the sake of simplicity, only the differences from the first to third embodiments are described below. The fourth embodiment is different from the first to third embodiments in that a physical isolation layer 8 having the function of buffering the thermal expansion stress of the steel brick material and keeping warm is provided between the baffle structure 5 and the fixing plate 7 and the tip a4.

[0054] It should be noted that the physical isolation layer 8 in this embodiment is preferably made of a flexible material, such as a microcrystalline fiber gasket or thermal insulation cotton, and its thickness is set to 1mm-10mm.

[0055] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A steel brick composite retaining brick for rolled glass forming, arranged on both sides of the top surface of the lip brick, with a calender behind it, the calender comprising an upper calendering roller and a lower calendering roller, characterized in that: The steel brick composite retaining brick includes: A retaining brick body, one end of which is provided with a tip portion a; and A baffle structure is provided at least on the inner side of the tip a, and at least the portion of the baffle structure located between the upper calendering roller and the lower calendering roller is configured according to the outer contour of the tip a, and the baffle structure is made of heat-resistant steel.

2. The steel brick composite retaining brick for rolled glass forming according to claim 1, characterized in that: The upper and lower parts of the tip a are both curved surfaces, which are respectively matched with the upper calendering roller and the lower calendering roller. A tip b is provided on the baffle structure corresponding to the tip a. The upper curved surface of the tip b is higher than the upper curved surface of the tip a and is arranged close to the upper calendering roller. The lower curved surface of the tip b is lower than the lower curved surface of the tip a and is arranged close to the lower calendering roller, so that at least the tip b located between the upper calendering roller and the lower calendering roller covers the tip a, and the outer end of the tip b is in a pointed shape.

3. The steel brick composite retaining brick for rolled glass forming according to claim 2, characterized in that: The retaining brick body is made of one of zirconium mullite, α-β fused corundum, sillimanite, clay brick and fused quartz.

4. The steel brick composite retaining brick for rolled glass forming according to claim 1, characterized in that: A clamping portion a for clamping on the lip brick is provided at the lower part of the tip a, and a clamping portion b is provided on the baffle structure corresponding to the clamping portion a, and the shape and size of the clamping portion b are the same as those of the clamping portion a.

5. The steel brick composite retaining brick for rolled glass forming according to claim 1, characterized in that: An installation groove a for installing the baffle structure is provided on the inner side of the tip portion a of the edge retaining brick body, and the inner side surface of the baffle structure and the inner side surface of the edge retaining brick body are located in the same plane.

6. A steel brick composite retaining brick for rolled glass forming according to any one of claims 1 to 5, characterized in that: The baffle structure is connected to the tip portion a via a fastener.

7. The steel brick composite retaining brick for rolled glass forming according to claim 6, characterized in that: A fixing plate is arranged outside the tip a of the retaining brick body. The fixing plate is arranged in a contour according to the outer contour of the tip a. An installation groove b for installing the fixing plate is arranged outside the tip a.

8. The steel brick composite retaining brick for rolled glass forming according to claim 7, characterized in that: The fastener is arranged through the baffle structure, the tip portion a and the fixing plate, and is fixed by an adaptor nut.

9. The steel brick composite retaining brick for rolled glass forming according to claim 8, characterized in that: A physical isolation layer is provided between the baffle structure and the fixing plate and the tip portion a respectively.

10. The steel brick composite retaining brick for rolled glass forming according to claim 1, characterized in that: The baffle structure is made of one of 2080 heat-resistant steel, heat-resistant stainless steel or heat-resistant aviation steel.

Images