ROLLER PRESSING EQUIPMENT FOR CERAMIC SURFACE TEXTILES AND ROLLER PRESSING METHOD

Abstract

The invention relates to a roller-pressing apparatus for forming ceramic surface textures, comprising: an upper roller assembly; a lower roller assembly; the upper and lower roller assemblies arranged opposite each other; and an embossing groove created in the space between the upper and lower roller assemblies; the upper steel belt of the upper roller assembly and / or the lower steel belt of the lower roller assembly wrapped with an elastic roller-pressing pattern piece; the surface of the roller-pressing pattern piece having protrusions for embossing; the roller-pressing pattern piece is structured for roller-pressing of a ceramic slab with a surface texture from ceramic powder material as the ceramic powder material passes through the embossing groove in the transport direction.

Description

Roll forming equipment and roll forming method for ceramic texture Technical Field

[0001] The present application relates to the field of roller presses, and in particular to a roller forming device and a roller forming method for ceramic patterns. Background Art

[0002] Roller forming is a process that leverages the material's plasticity and employs the principle of rolling extrusion to form a variety of complex parts. During operation, the movable rollers are driven by an electric motor, transporting loose material into the gap between the two rollers where it is crushed and squeezed, forming a dense material bed. Under conditions of material layer comminution, pure pressure comminution consumes significantly less energy than pure shear or impact comminution. The roller press utilizes pure pressure during the material layer comminution process, achieving improved efficiency and energy savings.

[0003] For example, the applicant disclosed an application on April 7, 2023 with publication number CN115922879A, which is a roller forming device and method thereof. The existing roller forming device includes a conveying component, which is used to convey powder along a conveying direction; a pressing component, which includes a first forming roller and a second forming roller, and the first forming roller and the second forming roller are spaced apart in the vertical direction, and the first forming roller and the second forming roller together form a compaction space; the compaction space is used to receive the powder on the conveying component and compact the powder to form a brick blank; a limiting plate, the first forming roller and the limiting plate are arranged in sequence in the conveying direction, and the limiting plate is used to abut against the brick blank to limit the expansion of the brick blank surface.

[0004] This existing roller-forming device prevents the upper surface of the brick from expanding and gradually releases internal stress, reducing cracks and ensuring brick quality. However, because the surface of the compacting belt is smooth, it cannot form textures on the surface of the brick. Therefore, it cannot meet the demand for rich decorative textures on the surface of ceramic slabs. Furthermore, the lack of texture on the surface of the ceramic slabs also weakens the adhesion of the ceramic slabs during paving.

[0005] Summary of the Invention

[0006] In order to overcome at least one of the defects described in the above-mentioned prior art, the present application provides a roller forming device and a roller forming method for ceramic patterns, which solves the problem that the existing roller forming device cannot form patterns on the surface of the brick.

[0007] The technical solution adopted by this application to solve the problem is:

[0008] A roller forming device for ceramic texture, comprising:

[0009] Upper pressure roller assembly;

[0010] A lower pressing roller assembly, wherein the upper pressing roller assembly and the lower pressing roller assembly are arranged opposite to each other, and the upper pressing roller assembly and the lower pressing roller assembly are spaced apart to form an embossing channel, and an upper steel belt of the upper pressing roller assembly and / or a lower steel belt of the lower pressing roller assembly are wound with a rolling texture member having elastic properties, and the surface of the rolling texture member is provided with embossed protrusions;

[0011] The roller-embossed textured part is used for roller-forming ceramic powder into a ceramic slab with a texture in the process of passing through the embossing channel along the conveying direction.

[0012] In some embodiments of the present application, the circumference of the rolled textured member is 0% to 10% shorter than the circumference of the upper steel strip, or the circumference of the rolled textured member is 0% to 10% shorter than the circumference of the lower steel strip.

[0013] In some embodiments of the present application, the upper pressure roller assembly includes an upper forming pressure roller and an upper power roller assembly, and the upper forming pressure roller cooperates with the upper power roller assembly to tension the upper steel belt;

[0014] The lower pressure roller assembly includes a lower forming pressure roller and a lower power roller assembly. The lower forming pressure roller cooperates with the lower power roller assembly to tension the lower steel belt. The upper forming pressure roller is arranged opposite to the lower forming pressure roller.

[0015] In some embodiments of the present application, the upper power roller assembly includes a first active roller, a first driven roller and a first tensioning cylinder, the upper forming roller is arranged between the first active roller and the first driven roller, and the movable telescopic end of the first tensioning cylinder is connected to the first driven roller;

[0016] The lower power roller assembly includes a second active roller, a second driven roller and a second tensioning cylinder. The lower forming pressure roller is arranged between the second active roller and the second driven roller. The movable telescopic end of the second tensioning cylinder is connected to the second driven roller.

[0017] In some embodiments of the present application, lateral constraints are provided on the rolled textured member, and the lateral constraints extend along the length direction of the rolled textured member. The lateral constraints have elastic properties so that the lateral constraints are squeezed and deformed when passing through the embossing channel.

[0018] In some embodiments of the present application, the rolled textured member is provided with the lateral restraint members on both opposite sides of the conveying direction, one of the rolled textured member and the lateral restraint members is provided with a positioning protrusion, and the other of the rolled textured member and the lateral restraint members is provided with an adjustment slot for clamping the positioning protrusion, and the positioning protrusion cooperates with the adjustment slot to adjust the distance between the two lateral restraint members.

[0019] In some embodiments of the present application, the rolled textured member and the lateral restraining member are integrally formed.

[0020] In some embodiments of the present application, the roller-pressing forming equipment for ceramic textures further includes a cleaning device for removing residual ceramic powder on the surface of the roller-pressed textured part.

[0021] In some embodiments of the present application, the upper steel belt between the upper forming roller and the first driven roller is formed as a feed guide section, and the lower steel belt between the lower forming roller and the second driven roller is formed as a feed conveying section, and the feed guide section is arranged obliquely to the feed conveying section.

[0022] The present application also discloses a roll forming method applied to the above roll forming equipment, comprising the following steps:

[0023] Step 1: quantitatively conveying ceramic powder to the lower pressing roller assembly;

[0024] Step 2: transporting the ceramic powder to the embossing channel along a conveying direction;

[0025] Step 3: Through the joint action of the upper pressing roller assembly, the lower pressing roller assembly and the rolling texture member, the ceramic powder is compacted and embossed into a ceramic slab with a texture.

[0026] In summary, the present application provides a roll-forming device and roll-forming method for ceramic patterns, which have the following technical effects:

[0027] By wrapping the upper steel belt of the upper roller assembly and / or the lower steel belt of the lower roller assembly with elastic roller-embossed textured components, the original upper and lower steel belts can maintain their original structural strength, effectively ensuring the quality of the formed ceramic slabs. Furthermore, using the roller-embossed textured components to form textures on the ceramic slabs solves the problem of existing roller-forming devices being unable to form textures on the surface of bricks (i.e., the ceramic slabs in the application). This not only improves the aesthetics of the ceramic slabs, but also enhances the adhesion of the ceramic slabs during paving. Furthermore, the roller-embossed textured components are very convenient to assemble, facilitating the rapid assembly and disassembly of the roller-forming equipment and production. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] FIG1 is a schematic diagram of a roll forming device for ceramic textures according to the present application;

[0029] FIG2 is a first structural diagram of a roll-forming device for ceramic graining according to the present application;

[0030] FIG3 is a partial enlarged schematic diagram of point A in FIG2 ;

[0031] FIG4 is an enlarged schematic cross-sectional view of point B in FIG2 ;

[0032] FIG5 is a second structural diagram of a roller forming device for ceramic patterns according to the present application.

[0033] Icons: 1-upper pressure roller assembly, 11-upper steel belt, 12-upper forming pressure roller, 13-first active roller, 14-first driven roller, 15-first tensioning cylinder, 2-lower pressure roller assembly, 21-lower steel belt, 22-lower forming pressure roller, 23-second active roller, 24-second driven roller, 25-second tensioning cylinder, 3-embossing channel, 41-roller-embossed texture part, 5-ceramic powder, 6-lateral restraint, 7-cleaning device. DETAILED DESCRIPTION

[0034] For better understanding and implementation, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application.

[0035] In the description of this application, it should be noted that the terms "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limiting this application.

[0036] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application pertains. The terms used herein in the specification of this application are for the purpose of describing specific embodiments only and are not intended to limit this application.

[0037] First embodiment

[0038] Roller-forming ceramic tiles / slabs is still a relatively new forming method in the field. Experimental testing and analysis of the roll-forming process for ceramic tiles / slabs indicate that parameters such as the roller diameter, speed, structural strength, reduction, and plasticity of the ceramic powder during roll forming all have significant or subtle effects on the quality of the finished tile. These include: the flatness of the finished slab surface, i.e., the presence of noticeable surface ripples; and the quality of the finished ceramic powder, i.e., whether the powder deforms or cracks after roll forming.

[0039] Therefore, the present application aims to improve the existing roller forming device so that the parameters such as the diameter, rotation speed, structural strength, pressing amount and plasticity of the ceramic powder roller during roller forming are not changed or fine-tuned, and the required texture lines can be generated on the surface of the formed ceramic tiles / ceramic slabs. In this way, the generation of ceramic tile / ceramic slab waste is minimized, the quality of ceramic tile / ceramic slab products is effectively guaranteed, and the process production cost of roller-formed ceramic tiles / ceramic slabs (hereinafter collectively referred to as ceramic slabs) is reduced.

[0040] Specifically, please refer to Figure 1. The present application discloses a roller forming device for ceramic patterns, including an upper pressing roller assembly 1 and a lower pressing roller assembly 2. The upper pressing roller assembly 1 and the lower pressing roller assembly 2 are relatively distributed, and the upper pressing roller assembly 1 and the lower pressing roller assembly 2 are spaced apart to form an embossing channel 3.

[0041] At this time, when the ceramic powder 5 passes through the embossing channel 3, the upper steel belt 11 of the upper pressing roller assembly 1 and the lower steel belt 21 of the lower pressing roller assembly 2 cooperate to compact and evenly press the ceramic powder 5, forming a ceramic slab with good surface flatness and small and uniform internal residual stress.

[0042] The core solution of this example is to form a ceramic slab with a texture on the surface of a smooth and flat ceramic slab. Specifically, please refer to Figures 2 and 3. The upper steel belt 11 of the upper pressing roller assembly 1 is wrapped with a rolled texture part 41 with elastic properties, that is, when the rolled texture part 41 is sleeved on the upper steel belt 11, the rolled texture part 41 will extend along the length direction of the upper steel belt 11, and the rolled texture part 41 is connected end to end to form a closed loop structure, and the surface of the rolled texture part 41 is provided with embossed protrusions. In this way, during the continuous operation of the roller-forming equipment, the rolled texture part 41 can use the embossed protrusions of the rolled texture part 41 to continuously roll-form the ceramic powder 5 into a ceramic slab with a texture in the process of passing through the embossing channel 3 along the conveying direction.

[0043] In this embodiment, it is only necessary to assemble the rolled textured part 41 on the upper steel belt 11 of the upper pressing roller assembly 1. There is no need to process the upper steel belt 11 or improve the upper pressing roller assembly 1 and the lower pressing roller assembly 2. Therefore, the structural strength of the upper pressing roller assembly 1 and the lower pressing roller assembly 2 is guaranteed, and there is no need to adjust the process parameters of the roller-formed ceramic slab, thereby minimizing the cost of research and development and production.

[0044] When the texture of the ceramic slab needs to be changed according to the design or demand, it is only necessary to remove the rolled texture part 41 from the upper steel belt 11 of the upper pressing roller assembly 1 and replace it with another rolled texture part 41. It is convenient to assemble and replace, which is also conducive to the efficient production of ceramic slabs and reduces the difficulty of production.

[0045] It should be noted that, in addition to assembling the rolled texture part 41 on the upper steel belt 11 of the upper pressure roller assembly 1 as mentioned above, the rolled texture part 41 can also be assembled on the lower steel belt 21 of the lower pressure roller assembly 2, or, as shown in Figure 5, the upper steel belt 11 of the upper pressure roller assembly 1 and the lower steel belt 21 of the lower pressure roller assembly 2 are both equipped with the rolled texture part 41.

[0046] In the above, please refer to Figures 2 and 5 for details. The upper pressure roller assembly 1 includes an upper forming pressure roller 12 and an upper power roller assembly. The upper forming pressure roller 12 cooperates with the upper power roller assembly to tension the upper steel belt 11. That is, the upper steel belt 11 resists the force from the upper forming pressure roller 12 and the upper power roller assembly, so that the upper steel belt 11 remains in a tensioned state during the rolling process.

[0047] The lower steel belt 21 is kept in a tensioned state during the rolling process. In this way, when the rolling texture member 41 is assembled on the upper steel belt 11 of the upper pressure roller assembly 1, the rolling texture member 41 and the upper steel belt 11 are kept in uniform contact. The upper steel belt 11 can smoothly drive the rolling texture member 41 to move, thereby ensuring that the rolling texture member 41 can evenly extrude the ceramic slab. At the same time, when the roll-formed ceramic slab is transported and moved horizontally in the embossing channel 3, the rolling texture member 41 can also evenly and smoothly extrude and contact the ceramic slab, avoiding the problem that the ceramic slab with a certain plasticity undergoes a small amount of deformation recovery after roll forming, resulting in unclear texture.

[0048] When the rolled textured part 41 is assembled on the lower steel belt 21 of the lower power roller assembly, the rolled textured part 41 and the lower steel belt 21 maintain uniform abutment contact, and the lower steel belt 21 can smoothly drive the rolled textured part 41 to move, which can not only smoothly convey the ceramic powder 5, but also effectively ensure that the rolled textured part 41 uniformly extrude the ceramic slab. At the same time, when the roll-formed ceramic slab is conveyed and moved horizontally in the embossing channel 3, the rolled textured part 41 can also uniformly and smoothly extrude and contact the ceramic slab, avoiding the problem of unclear texture caused by a small amount of deformation recovery of the ceramic slab with a certain plasticity after roll forming.

[0049] Furthermore, the upper forming roller 12 and the lower forming roller 22 are arranged opposite to each other, so that when the ceramic powder 5 passes between the upper forming roller 12 and the lower forming roller 22, the ceramic powder 5 is squeezed against the rolling texture member 41. This not only compacts the ceramic powder 5 into a ceramic slab, but also embosses clearer textures on the ceramic slab.

[0050] As a preferred embodiment of this invention, please refer to Figures 2 and 5 for details. The upper power roller assembly includes a first active roller 13, a first driven roller 14 and a first tensioning cylinder 15. The upper forming roller 12 is arranged between the first active roller 13 and the first driven roller 14. The movable telescopic end of the first tensioning cylinder 15 is connected to the first driven roller 14. The first tensioning cylinder 15 here can be selected as a pneumatic cylinder, a hydraulic cylinder, or an electric cylinder.

[0051] Assume that the rolled textured member 41 is assembled to the upper steel belt 11. When assembling or disassembling the upper steel belt 11 and the rolled textured member 41, the first tensioning cylinder 15 can be controlled to be in a compressed state, so that the upper steel belt 11 and the upper power roller assembly, as well as the upper steel belt 11 and the rolled textured member 41, are in a relaxed state. This facilitates assembly or disassembly of the upper steel belt 11 and the rolled textured member 41 to or from the upper power roller assembly. When the upper steel belt 11 and the rolled textured member 41 are placed on the upper power roller assembly, the first tensioning cylinder 15 can be controlled to be in an extended state until the upper steel belt 11 and the rolled textured member 41 are in a tensioned state.

[0052] Therefore, the first tensioning cylinder 15 not only automates the assembly and disassembly of the upper steel belt 11 and the rolled texture member 41, thus providing convenient operation of the upper steel belt 11 and the rolled texture member 41, but also ensures that the upper steel belt 11 is under optimal tension and that the rolled texture member 41 is in even and stable contact with the upper steel belt 11, preventing the upper steel belt 11 and the rolled texture member 41 from slipping during the rolling process, thereby effectively ensuring the quality of the finished textured ceramic slab.

[0053] In addition, the above-mentioned lower power roller assembly includes a second active roller 23, a second driven roller 24 and a second tensioning cylinder 25. The lower forming pressure roller 22 is arranged between the second active roller 23 and the second driven roller 24. The movable telescopic end of the second tensioning cylinder 25 is connected to the second driven roller 24. The second tensioning cylinder 25 here can be selected as a pneumatic cylinder, a hydraulic cylinder, or an electric cylinder.

[0054] Assume that the rolled textured member 41 is assembled to the lower steel belt 21. When assembling or disassembling the lower steel belt 21 and the rolled textured member 41, the second tensioning cylinder 25 can be controlled to be in a compressed state, so that the lower steel belt 21 and the lower power roller assembly, as well as the lower steel belt 21 and the rolled textured member 41, are in a relaxed state. This facilitates assembly or disassembly of the lower steel belt 21 and the rolled textured member 41 to or from the lower power roller assembly. When the lower steel belt 21 and the rolled textured member 41 are placed in the lower power roller assembly, the second tensioning cylinder 25 can be controlled to be in an extended state until the lower steel belt 21 and the rolled textured member 41 are in a tensioned state.

[0055] Therefore, the second tensioning cylinder 25 not only realizes the automatic assembly and disassembly of the lower steel belt 21 and the rolled texture member 41, thus achieving the convenience of the lower steel belt 21 and the rolled texture member 41, but also ensures that the lower steel belt 21 is under optimal tension and that the rolled texture member 41 is in balanced and stable contact with the lower steel belt 21, thus preventing the lower steel belt 21 and the rolled texture member 41 from slipping during the rolling process, thereby effectively ensuring the quality of the finished ceramic slab with texture.

[0056] Of course, in addition to ensuring that the rolled textured member 41 does not slip by the first tensioning cylinder 15 and the second tensioning cylinder 25, an anti-slip layer can be formed on the surface of the upper steel belt 11 and the lower steel belt 21. The anti-slip layer here can be a paint layer or a rubber coating layer. In addition, the applicant also provides another preferred solution:

[0057] When the rolled textured member 41 is assembled on the upper steel strip 11, the circumference of the rolled textured member 41 is 0% to 10% shorter than the circumference of the upper steel strip 11; or

[0058] When the rolled texture member 41 is assembled to the lower steel belt 21 , the circumference of the rolled texture member 41 is shorter than the circumference of the lower steel belt 21 by 0% to 10%.

[0059] In this way, when the circumference of the rolled textured member 41 is equal to the circumference of the upper steel belt 11 or the circumference of the lower steel belt 21, since the rolled textured member 41 is wound around the outside of the upper steel belt 11 and / or the lower steel belt 21, when the upper steel belt 11 and / or the lower steel belt 21 are in a tensioned state, the rolled textured member 41 is also in a state of tensile deformation. At this time, the rolled textured member 41 will abut against the upper steel belt 11 and / or the lower steel belt 21, that is, in cooperation with the first tensioning cylinder 15 and the second tensioning cylinder 25, the friction between the rolled textured member 41 and the upper steel belt 11 and between the rolled textured member 41 and the lower steel belt 21 is effectively increased, thereby effectively avoiding the upper steel belt 11 and / or the lower steel belt 21 and the rolled textured member 41 from slipping during the rolling process.

[0060] Furthermore, when the rolled textured member 41 is assembled on the upper steel strip 11, the circumference of the rolled textured member 41 can be 0% to 10% shorter than the circumference of the upper steel strip 11. Within this range, the extrusion force between the upper steel strip 11 and the rolled textured member 41 is effectively increased, thereby increasing the friction between the upper steel strip 11 and the rolled textured member 41, effectively preventing the upper steel strip 11 and the rolled textured member 41 from slipping during the rolling process. However, when the circumference of the rolled textured member 41 is longer than the circumference of the upper steel strip 11, the friction between the upper steel strip 11 and the rolled textured member 41 is insufficient, and slipping is likely to occur during the rolling process, thereby affecting the texture effect. When the circumference of the rolled textured member 41 is shorter than the circumference of the upper steel belt 11 by more than 10%, the rolled textured member 41 is prone to excessive stretching and cracking or breaking when the upper steel belt 11 is in a tensioned state.

[0061] Similarly, when the rolled textured member 41 is mounted on the lower steel belt 21, the circumference of the rolled textured member 41 can be 0% to 10% shorter than the circumference of the lower steel belt 21. Within this range, the friction between the lower steel belt 21 and the rolled textured member 41 is effectively increased, effectively preventing slippage between the lower steel belt 21 and the rolled textured member 41 during the rolling process. However, when the circumference of the rolled textured member 41 is longer than the circumference of the lower steel belt 21, the friction between the lower steel belt 21 and the rolled textured member 41 is insufficient, making slippage more likely during the rolling process, thus affecting the textured effect. Furthermore, when the circumference of the rolled textured member 41 is shorter than the circumference of the lower steel belt 21 by more than 10%, the rolled textured member 41 is prone to excessive stretching when the lower steel belt 21 is in a tensioned state, resulting in cracks or breakage.

[0062] As a preferred embodiment of this embodiment, specifically referring to Figures 1, 2 and 5, the roller forming equipment further includes a cleaning device 7, which is used to remove the ceramic powder 5 remaining on the surface of the roller-pressed textured part 41. Specifically, the cleaning device 7 can be a cleaning brush assembly. The cleaning brush assembly is fixed, and the relative movement between the cleaning brush assembly and the roller-pressed textured part 41 is utilized to achieve the purpose of cleaning the surface of the roller-pressed textured part 41. The cleaning device 7 can also be a power motor equipped with a cleaning brush. The power motor provides a power source to drive the cleaning brush to rotate, which can also achieve the purpose of cleaning the surface of the roller-pressed textured part 41.

[0063] It should be noted that the number of cleaning devices 7 can be one, and of course, the number of cleaning devices 7 can also be two, three, four, five, etc. In addition, the installation position of the cleaning device 7 can be adjusted according to the structure of the roll forming equipment and the structure of the cleaning device 7, and is not limited to the position shown in the figure.

[0064] As a preferred embodiment of this invention, please refer to Figures 1, 2 and 5 for details. The upper steel belt 11 between the upper forming roller 12 and the first driven roller 14 is formed as a feed guide section, and the lower steel belt 21 between the lower forming roller 22 and the second driven roller 24 is formed as a feed conveying section. The feed guide section is arranged obliquely to the feed conveying section.

[0065] In this way, when the ceramic powder 5 is conveyed to the embossing channel 3 under the drive of the lower pressure roller assembly 2, since the feed guide section is inclined, that is, the feed guide section and the feed conveying section form an angle, the gap between the feed guide section and the feed conveying section gradually tightens and the height gradually decreases. Then, when the ceramic powder 5 enters the gap between the feed guide section and the feed conveying section, it is squeezed by the feed guide section, and the upper layer of ceramic powder 5 is gradually squeezed into the lower layer of ceramic powder 5, and some of the gas between the ceramic powder 5 is discharged, so that the ceramic powder 5 is squeezed a longer distance and a smaller drop. At the same time, the rolling texture member 41 will contact and preliminarily extrude the ceramic powder 5, and then enter the embossing channel 3, and after further extrusion and crushing by the upper forming roller 12 and the lower forming roller 22, it is formed into a ceramic slab with texture.

[0066] Second embodiment

[0067] The first embodiment discloses a roller-forming device for ceramic patterns, which realizes the purpose of forming embossing on the ceramic slab without changing or fine-tuning the process parameters of the roller-forming ceramic slab. In addition, the roller-formed pattern part 41 can be flexibly and conveniently replaced according to the design and needs, thereby improving the efficiency of production.

[0068] Because ceramic powder 5 tends to scatter from the device / equipment during transportation and during rolling, the applicant employs a sidewall assembly in the existing roll-forming device, utilizing the inclined surface of the sidewall assembly to abut and fit against the end face of the compacting section to prevent side leakage of the powder. During long-term production and testing, it was discovered that when the existing sidewall assembly and the compacting section fit together, the existing sidewall assembly remains stationary, causing friction and wear between the compacting belt and the existing sidewall assembly during movement. Furthermore, both the existing sidewall assembly and the compacting belt vibrate during rolling.

[0069] In response to the above-mentioned problems, the applicant has also provided a preferred method, as shown in Figures 2 and 4. A lateral restraint 6 is provided on the rolled textured part 41. The lateral restraint 6 extends along the length direction of the rolled textured part 41. The lateral restraint 6 is wrapped around the upper surface of the rolled textured part 41. In this way, the lateral restraint 6 is used to block the ceramic powder 5 so that it is dispersed from the side of the rolled textured part 41 during transportation. The lateral restraint 6 is preferably configured as two, and the two lateral restraints 6 are arranged opposite to each other. Then, the ceramic powder 5 will be well restrained between the two lateral restraints 6, thereby well transporting the ceramic powder 5 to the embossing channel 3 for compaction and embossing.

[0070] The core of this embodiment is that the lateral restraints 6 possess elastic properties, allowing them to be squeezed and deformed when passing through the embossing channel 3. Thus, as the lateral restraints 6 move along with the texturing element 41 to the embossing channel 3, the upper steel belt 11 of the upper roller assembly 1 abuts and fits against the lateral restraints 6. As the upper steel belt 11 squeezes the lateral restraints 6, the lateral restraints 6 deform and self-adjust, thus avoiding damage to the lateral restraints 6. This has the following unexpected effects:

[0071] 1. Since the upper steel belt 11, the roller-embossed texture member 41 and the lateral restraint member 6 are relatively stationary during the compaction and embossing process of the ceramic powder through the embossing channel 3, there is no friction or wear between the lateral restraint member 6 and the upper steel belt 11, and the problem of vibration between the lateral restraint member 6 and the upper steel belt 11 is also avoided.

[0072] 2. Under the action of the lateral restraints 6, the ceramic powder exerts a lateral restraining force on the ceramic slab during the forming process, resulting in a ceramic slab with improved forming quality. Specifically, during the extrusion process by the upper and lower roller assemblies 1 and 2, the ceramic powder expands toward the sides of the textured roller member 41. At this time, the restraints of the lateral restraints 6 prevent the powder from collapsing and prevent uncompacted powder from scattering.

[0073] 3. Because the lateral restraining members 6 pass through the embossing channel 3 along with the roller-embossing member 41, the ceramic slab is still subject to the lateral restraining force of the lateral restraining members 6 as it passes through the embossing channel 3. The lateral restraining members 6 and the roller-embossing member 41 thus cooperate with each other to effectively ensure that the ceramic slab is shaped and stabilized within the embossing channel 3, thereby further improving the quality of the ceramic slab. This also prevents uncompacted ceramic powder from escaping from the embossing channel 3 and contaminating the roller-forming equipment.

[0074] 4. The tensioning force provided by the lower pressure roller assembly 2 is cleverly utilized to enable the lateral restraining member 6 to be stably fixed on the rolled textured member 41. Compared with the existing sidewall strip assembly, it is simpler, easier to produce and assemble, and effectively reduces production costs.

[0075] As a preferred embodiment of this embodiment, the rolled textured member 41 is provided with lateral restraints 6 on both opposite sides in the conveying direction, the rolled textured member 41 is provided with a positioning protrusion, and the lateral restraint 6 is provided with an adjustment slot for engaging the positioning protrusion. In this way, the lateral bearing capacity of the lateral restraint 6 can be enhanced through the cooperation of the positioning protrusion and the adjustment slot.

[0076] Among them, the number of adjustment slots is configured to be multiple, and the multiple adjustment slots are arranged at intervals along the width direction of the lateral restraint 6. The positioning protrusion is connected to different adjustment slots, which can achieve the purpose of adjusting the distance between the two lateral restraints 6 by cooperating with the positioning protrusion and the adjustment slot.

[0077] It should be noted that the above-mentioned positioning protrusion can be provided on the lateral restraint member 6 , and the adjustment slot is correspondingly provided on the rolled textured member 41 , which can also achieve the purpose of enhancing the lateral bearing capacity of the lateral restraint member 6 .

[0078] As another preferred embodiment of this embodiment, the rolled textured member 41 is integrally formed with the lateral restraining members 6. This ensures the connection strength between the rolled textured member 41 and the lateral restraining members 6, thereby effectively exerting optimal lateral restraining force on the ceramic slab. Furthermore, there is no need to assemble additional lateral restraining members 6, simplifying the assembly process of the roll-forming equipment. To change the spacing between the two lateral restraining members 6, the rolled textured member 41 is disassembled and replaced with a rolled textured member 41 that meets the required spacing between the two lateral restraining members 6. This makes replacement simple and efficient, effectively ensuring production efficiency.

[0079] Third embodiment

[0080] Based on the roller forming equipment for ceramic texture disclosed in the first and second embodiments, the applicant also disclosed a roller forming method. Before the roller forming process, the roller texture member 41 should be assembled to the upper steel belt 11 of the upper roller assembly 1 and / or the lower steel belt 21 of the lower roller assembly 2, as shown in Figure 1. Taking the assembly of the roller texture member 41 to the lower steel belt 21 of the lower roller assembly 2 as an example, the second tensioning cylinder 25 is controlled to contract so that the lower steel belt 21 of the lower roller assembly 2 is in a relaxed state, and the roller texture member 41 with the selected spacing specification (the spacing size of the two lateral restraints 6) is sleeved on the lower steel belt 21 of the lower roller assembly 2, and then the second tensioning cylinder 25 is controlled to push until the lower steel belt 21 is in a tensioned state and the roller texture member 41 is in close contact with the lower steel belt 21. Then, the roller forming process begins, which includes the following steps:

[0081] Step 1: quantitatively convey the ceramic powder 5 to the lower pressing roller assembly 2. Specifically, a hopper can be used for quantitative feeding, that is, the powder is filled into the hopper, the hopper is adjusted according to the thickness of the brick forming, and the hopper is controlled to control the powder to fall onto the roller-embossed texture part 41 on the lower pressing roller assembly 2.

[0082] Step 2: The ceramic powder 5 is conveyed along the conveying direction to the embossing channel 3. Specifically, the ceramic powder 5 is conveyed toward the embossing channel 3 along with the texture roller 41. When the ceramic powder 5 enters the gap between the feed guide section and the feed conveying section, some of the gas inside the ceramic powder 5 is discharged, and the texture roller 41 contacts and initially squeezes the ceramic powder 5.

[0083] In step 3, the upper pressing roller assembly 1, the lower pressing roller assembly 2 and the rolling texture member 41 work together to compact and emboss the ceramic powder 5 into a ceramic slab with a texture.

[0084] In step 3, the force exerted by the upper forming roller 12 of the upper roller assembly 1 and the lower forming roller 22 of the lower roller assembly 2 not only achieves the effect of crushing the extruded ceramic slab, but also causes the roller-embossed texture member 41 to emboss the surface of the ceramic slab with texture. In the process of the ceramic slab passing through the embossing channel 3, the cooperation between the roller-embossing texture member 41 and the lateral restraint member 6 also shapes and stabilizes the ceramic slab, gradually releasing the internal gas and internal stress of the ceramic slab, thereby improving the quality of the ceramic slab.

[0085] The technical means disclosed in the present application are not limited to those disclosed in the above-mentioned embodiments, but also include technical solutions composed of any combination of the above-mentioned technical features. It should be noted that those skilled in the art can make several improvements and modifications without departing from the principles of the present application, and such improvements and modifications are also considered to be within the scope of protection of the present application.

Claims

1. A roll forming device for ceramic texture, comprising: Upper pressure roller assembly (1); A lower pressing roller assembly (2), the upper pressing roller assembly (1) and the lower pressing roller assembly (2) are arranged relative to each other, and the upper pressing roller assembly (1) and the lower pressing roller assembly (2) are spaced apart to form an embossing channel (3), an upper steel belt (11) of the upper pressing roller assembly (1) and / or a lower steel belt (21) of the lower pressing roller assembly (2) are wound with a roller-embossed texture piece (41) having elastic properties, and a surface of the roller-embossed texture piece (41) is provided with embossed protrusions; The rolling texture piece (41) is used for rolling the ceramic powder (5) into a ceramic slab with a texture during the process of the ceramic powder (5) passing through the embossing channel (3) along the conveying direction.

2. The roll forming device for ceramic texture according to claim 1, wherein: The circumference of the rolled textured member (41) is 0% to 10% shorter than the circumference of the upper steel strip (11), or the circumference of the rolled textured member (41) is 0% to 10% shorter than the circumference of the lower steel strip (21).

3. The roll forming device for ceramic texture according to claim 1 or 2, wherein: The upper pressure roller assembly (1) comprises an upper forming pressure roller (12) and an upper power roller assembly, and the upper forming pressure roller (12) cooperates with the upper power roller assembly to tension the upper steel belt (11); The lower pressure roller assembly (2) comprises a lower forming pressure roller (22) and a lower power roller assembly. The lower forming pressure roller (22) cooperates with the lower power roller assembly to tension the lower steel belt (21). The upper forming pressure roller (12) is arranged opposite to the lower forming pressure roller (22).

4. The roll forming device for ceramic texture according to claim 3, wherein: The upper power roller assembly comprises a first active roller (13), a first driven roller (14) and a first tensioning cylinder (15); the upper forming roller (12) is arranged between the first active roller (13) and the first driven roller (14); and the movable telescopic end of the first tensioning cylinder (15) is connected to the first driven roller (14); The lower power roller assembly comprises a second active roller (23), a second driven roller (24) and a second tensioning cylinder (25); the lower forming pressure roller (22) is arranged between the second active roller (23) and the second driven roller (24); and the movable telescopic end of the second tensioning cylinder (25) is connected to the second driven roller (24).

5. The roll forming device for ceramic texture according to claim 1 or 2, wherein: The rolled textured member (41) is provided with a lateral restraining member (6), which extends along the length direction of the rolled textured member (41). The lateral restraining member (6) has elastic properties, so that the lateral restraining member (6) is squeezed and deformed when passing through the embossing channel (3).

6. The roll forming device for ceramic texture according to claim 5, wherein: The lateral restraining members (6) are arranged on two opposite sides of the roller-embossed textured member (41) in the conveying direction; one of the roller-embossed textured member (41) and the lateral restraining member (6) is provided with a positioning protrusion; the other of the roller-embossed textured member (41) and the lateral restraining member (6) is provided with an adjustment slot for engaging the positioning protrusion; the positioning protrusion cooperates with the adjustment slot to adjust the distance between the two lateral restraining members (6).

7. The roll forming device for ceramic texture according to claim 5, wherein: The rolled textured member (41) and the lateral restraining member (6) are integrally formed.

8. The roller-forming equipment for ceramic texture according to claim 1 or 2 or 6 or 7 further comprises a cleaning device (7), wherein the cleaning device (7) is used to remove the ceramic powder (5) remaining on the surface of the roller-formed texture part (41).

9. The roll forming device for ceramic texture according to claim 4, wherein: The upper steel belt (11) between the upper forming roller (12) and the first driven roller (14) forms a feed guide section, and the lower steel belt (21) between the lower forming roller (22) and the second driven roller (24) forms a feed conveying section, and the feed guide section is arranged obliquely to the feed conveying section.

10. A roll forming method based on the roll forming device according to any one of claims 1 to 9, comprising the following steps: Step 1, quantitatively conveying the ceramic powder (5) to the lower pressing roller assembly (2); Step 2, conveying the ceramic powder (5) to the embossing channel (3) along a conveying direction; Step 3: Through the joint action of the upper pressing roller assembly (1), the lower pressing roller assembly (2) and the rolling texture member (41), the ceramic powder (5) is compacted and embossed into a ceramic slab with a texture.

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