Continuous production device for ultrathin ceramic fiber board

Abstract

The utility model discloses an ultrathin ceramic fiber board continuous production device which comprises a pre-pressing forming roller set, a first conveying belt, a precise forming roller set mechanism, a second conveying belt, a fixed-thickness pressing roller, a pneumatic cutting mechanism, a high-temperature kiln and a PLC control system. The PLC control system is connected with the first transmission belt, the precise forming roller set mechanism, the second transmission belt, the pneumatic cutting mechanism and the high-temperature kiln. According to the utility model, the production efficiency is improved, the product performance is optimized, the energy is saved, the consumption is reduced, and the automation degree is high.

Description

Technical Field

[0001] This utility model relates to the technical field of ceramic fiberboard production equipment, and in particular to a continuous production device for ultra-thin ceramic fiberboard. Background Technology

[0002] Existing ceramic fiberboard production equipment typically employs an intermittent production process, which has certain limitations, specifically:

[0003] 1. Low efficiency: Traditional molding process uses single-plate molding, which requires manual loading and unloading of molds. The single molding cycle is about 2-3 hours, which cannot achieve continuous operation;

[0004] 2. Poor thickness control: Manual operation is prone to uneven thickness, which can easily lead to deviations and a low finished product qualification rate;

[0005] 3. High energy consumption: Frequent start-up and shutdown of intermittent kilns lead to waste of heat energy, resulting in higher energy consumption than continuous production lines.

[0006] 4. Equipment limitations: The pressure of the molding machine is fixed and cannot meet the precision molding requirements of ultra-thin sheets (<10mm), which easily leads to edge cracking.

[0007] In addition, existing ceramic fiberboard production equipment can also adopt continuous production processes, but the following problems exist:

[0008] 1. Defects of the roller pressing system: Although conventional roller pressing devices can operate continuously, the distance between the pressure rollers is fixed and the pressure cannot be dynamically adjusted, which makes the ultra-thin sheets easy to break during forming.

[0009] 2. Material adhesion problem: Ceramic fiber slurry easily sticks to the surface of the pressure roller, requiring machine shutdown for cleaning, which affects production continuity.

[0010] Therefore, through beneficial exploration and research, the applicant has found a solution to the above problems, and the technical solution to be introduced below is the result of this research. Utility Model Content

[0011] The technical problem to be solved by this utility model is to provide a continuous production device for ultra-thin ceramic fiberboard that improves production efficiency, optimizes product performance, saves energy and reduces consumption, and has a high degree of automation, in order to address the shortcomings of the existing technology.

[0012] The technical problem to be solved by this utility model can be achieved by the following technical solution:

[0013] A continuous production apparatus for ultra-thin ceramic fiberboard includes:

[0014] A pre-pressing forming roller group is used to pre-press and form ceramic fiber board slurry, so that the ceramic fiber board slurry forms an ultra-thin ceramic fiber board blank with a thickness close to the expected thickness.

[0015] The first conveyor belt has its feed end located at the discharge end of the pre-pressing forming roller group, and is used to receive the ultra-thin ceramic fiber slab pre-pressed by the pre-pressing forming roller group and convey it to the rear.

[0016] The precision forming roller assembly is located at the discharge end of the first conveyor belt. It is used to receive the ultra-thin ceramic fiber slab conveyed by the first conveyor belt and dynamically adjust the roller spacing according to the pressure state on the surface of the pressure rollers so that the ultra-thin ceramic fiber slab is pressed into a specified thickness.

[0017] The second conveyor belt, with its feed end located at the discharge end of the precision forming roller assembly, is used to receive the ultra-thin ceramic fiber slab pressed and formed by the precision forming roller assembly and convey it to the rear.

[0018] A thickness-fixed pressure roller is positioned above the second conveyor belt and behind the precision forming roller assembly.

[0019] A pneumatic cutting mechanism for cutting and deburring ultra-thin ceramic fiber slabs is provided above the second conveyor belt and behind the thickness-fixing roller.

[0020] A high-temperature kiln mounted on the second transmission belt and located behind the pneumatic cutting mechanism for high-temperature shaping of the cut ultra-thin ceramic fiber slabs; and

[0021] The PLC control system is connected to the first transmission belt, the precision forming roller group mechanism, the second transmission belt, the pneumatic cutting mechanism, and the high-temperature kiln.

[0022] In a preferred embodiment of the present invention, the pre-pressing forming roller group includes an upper pre-pressing forming roller and a lower pre-pressing forming roller arranged symmetrically at the top and bottom, and a fixed pre-pressing roller track is formed between the upper pre-pressing forming roller and the lower pre-pressing forming roller.

[0023] In a preferred embodiment of this utility model, the precision forming roller assembly mechanism includes:

[0024] The upper and lower moving forming rollers are arranged symmetrically, with a variable pressing roller track formed between them. Pressure sensors connected to the PLC control system are installed inside the upper and / or lower moving forming rollers to monitor the roller surface pressure.

[0025] The upper servo drive motor and the lower servo drive motor are connected to the PLC control system on one hand, and to the upper and lower movable forming rollers on the other hand, and are used to drive the upper and lower movable forming rollers to move up and down, so as to adjust the gap between the variable pressing rollers in real time according to the pressure state of the roller surface.

[0026] In a preferred embodiment of the present invention, an upper scraper for cleaning the roller surface of the upper movable forming roller is provided on the upper side of the upper movable forming roller, and a lower scraper for cleaning the roller surface of the lower movable forming roller is provided on the lower side of the lower movable forming roller.

[0027] Due to the adoption of the above technical solution, the beneficial effects of this utility model are as follows:

[0028] 1. Increased production efficiency: Continuous production significantly increases speed compared to traditional processes;

[0029] 2. Product Performance Optimization: The multi-stage adjustable roller pressing system ensures uniform pressure distribution, resulting in a denser and more uniform fiber arrangement within the board, thus improving the bending strength of the ultra-thin ceramic fiber board. It also enhances the thickness accuracy of the ultra-thin ceramic fiber board.

[0030] 3. Energy saving and consumption reduction: Continuous production improves thermal energy utilization and reduces energy consumption per unit product;

[0031] 4. High degree of automation: The equipment forms a closed-loop automated control system through pressure sensors, control system and servo drive motor, which greatly reduces human operation such as downtime to modify parameters and improves production continuity. Attached Figure Description

[0032] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0033] Figure 1 This is a schematic diagram of the structure of this utility model.

[0034] Figure 2 This is a structural schematic diagram of the precision forming roller assembly of this utility model. Detailed Implementation

[0035] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the following description, in conjunction with specific illustrations, further elaborates on this utility model.

[0036] See Figure 1 The figure shows a continuous production device for ultra-thin ceramic fiberboard, including a pre-press forming roller group 100, a first conveyor belt 200, a precision forming roller group mechanism 300, a second conveyor belt 400, a thickness-fixing pressure roller 500, a pneumatic cutting mechanism 600, a high-temperature kiln 700, and a PLC control system 800.

[0037] The pre-compression forming roller group 100 is located at the front end of the continuous production device for ultra-thin ceramic fiber boards. It is used to pre-compress and form the ceramic fiber board slurry, so that the ceramic fiber board slurry forms an ultra-thin ceramic fiber board blank with a thickness close to the expected thickness. Specifically, the pre-compression forming roller group 100 includes an upper pre-compression forming roller 110 and a lower pre-compression forming roller 120 arranged symmetrically above and below, with a fixed pre-compression roller track 101 formed between the upper pre-compression forming roller 110 and the lower pre-compression forming roller 120. The pre-compression forming roller group 100 adopts a traditional manual adjustment of the roller track gap. The fixed gap is set in advance according to the production task for pre-compressing the ceramic fiber board slurry to initially achieve the expected thickness of the ultra-thin board blank.

[0038] The feed end of the first conveyor belt 200 is located at the discharge end of the pre-pressing forming roller group 100, and is used to receive the ultra-thin ceramic fiber slab pre-pressed by the pre-pressing forming roller group 100 and convey it to the rear.

[0039] The precision forming roller assembly 300 is located at the discharge end of the first conveyor belt 200. It receives the ultra-thin ceramic fiber slab conveyed by the first conveyor belt 200 and dynamically adjusts the roller spacing according to the pressure state on the roller surfaces, thereby pressing the ultra-thin ceramic fiber slab to a specified thickness. Specifically,

[0040] The precision forming roller assembly 300 includes an upper movable forming roller 310, a lower movable forming roller 320, an upper servo drive motor 330, and a lower servo drive motor 340.

[0041] The upper moving forming roller 310 and the lower moving forming roller 320 are arranged symmetrically, with a variable pressing roller track 301 forming between them. A pressure sensor 350, connected to a PLC control system 800, is installed inside the upper moving forming roller 310 to monitor the roller surface pressure. Alternatively, the pressure sensor can be located inside the lower moving forming roller 320, or both the upper and lower moving forming rollers 310 and 320 can have pressure sensors installed.

[0042] The upper servo drive motor 330 and the lower servo drive motor 340 are connected to the PLC control system 800 on one hand, and to the upper movable forming roller 310 and the lower movable forming roller 320 on the other hand, and are used to drive the upper movable forming roller 310 and the lower movable forming roller 320 to move up and down, so as to adjust the gap between the variable pressing rollers 301 in real time according to the pressure state of the roller surface.

[0043] The precision forming roller assembly 300 adopts a dual-roller linkage structure, independently equipped with a servo motor, and integrates a pressure sensor within the forming roller. The pressure sensor 350 monitors the pressure on the roller surface in real time and transmits the data to the PLC control system 800 for processing. Based on the processing results, the PLC control system 800 controls the upper servo drive motor 330 and / or the lower servo drive motor 340 to adjust the gap between the upper moving forming roller 310 and the lower moving forming roller 320. When the internal density of the blank is uneven or the surface is rough, the pressure on the blank as it passes through the forming rollers will vary. The pressure sensor 350 can quickly identify localized pressure anomalies.

[0044] When the local pressure is too high, it indicates that a certain area of ​​the slab is too thick or has a low moisture content. The PLC control system 800 automatically increases the roller gap to reduce the compression force and prevent cracking caused by excessive compression. When the local pressure is too low, it indicates that a certain area of ​​the slab is too thin or has a high moisture content. The PLC control system 800 automatically reduces the roller gap to increase the compression force and improve the density. The upper servo drive motor 330 and the lower servo drive motor 340 can precisely control the up and down movement of the roller conveyor to achieve automatic gap adjustment.

[0045] The upper moving forming roller 310 and the lower moving forming roller 320 can independently and dynamically adjust their spacing in real time to control the pressure and ensure that the thickness of the blank reaches the specified thickness and precision. The roller spacing can be dynamically adjusted (0.5-2mm) to meet the forming requirements of ultra-thin sheets of 3-10mm. At the same time, the moisture in the blank slurry is squeezed out, reducing the moisture content of the blank. This precise control can make the internal texture of the blank uniform, which is conducive to subsequent stable forming.

[0046] An upper scraper 360 is provided on the upper side of the upper moving forming roller 310 for cleaning the roller surface of the upper moving forming roller 310, and a lower scraper 370 is provided on the lower side of the lower moving forming roller 320 for cleaning the roller surface of the lower moving forming roller 320. The upper scraper 360 and the lower scraper 370 are used to clean the sticky slurry and other impurities on the roller table in a timely manner, thereby further improving the thickness accuracy of the ceramic fiber ultra-thin plate blank and ensuring the stability and authenticity of the pressure sensor monitoring data.

[0047] The feed end of the second conveyor belt 400 is located at the discharge end of the precision forming roller assembly 300, and is used to receive the ultra-thin ceramic fiber slabs pressed and formed by the precision forming roller assembly 300 and convey them to the rear.

[0048] The thickness-fixing roller 500 is positioned above the second conveyor belt 400 and behind the precision forming roller assembly 300, which improves the accuracy of the thickness of the ultra-thin ceramic fiber slab.

[0049] A pneumatic cutting mechanism 600 is positioned above the second conveyor belt 400 and behind the thickness-fixing roller 500. It is used to cut and deburr ultra-thin ceramic fiber slabs. The pneumatic cutting mechanism 600 can be a pneumatic guillotine or a circular saw.

[0050] The high-temperature kiln 700 is installed on the second conveyor belt 400 and located behind the pneumatic cutting mechanism 600. It is used to perform high-temperature shaping on the cut ultra-thin ceramic fiber slabs, so that the ultra-thin ceramic fiber slabs are sintered and solidified.

[0051] The PLC control system 800 is connected to the first conveyor belt 200, the precision forming roller group mechanism 300, the second transmission belt 400, the pneumatic cutting mechanism 600, and the high-temperature kiln 700, respectively, and is used to control the coordinated operation of each mechanism or component.

[0052] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A continuous production apparatus for ultra-thin ceramic fiberboard, characterized in that, include: A pre-pressing forming roller group is used to pre-press and form ceramic fiber board slurry, so that the ceramic fiber board slurry forms an ultra-thin ceramic fiber board blank with a thickness close to the expected thickness. The first conveyor belt has its feed end located at the discharge end of the pre-pressing forming roller group, and is used to receive the ultra-thin ceramic fiber slab pre-pressed by the pre-pressing forming roller group and convey it to the rear. The precision forming roller assembly is located at the discharge end of the first conveyor belt. It is used to receive the ultra-thin ceramic fiber slab conveyed by the first conveyor belt and dynamically adjust the roller spacing according to the pressure state on the surface of the pressure rollers so that the ultra-thin ceramic fiber slab is pressed into a specified thickness. The second conveyor belt, with its feed end located at the discharge end of the precision forming roller assembly, is used to receive the ultra-thin ceramic fiber slab pressed and formed by the precision forming roller assembly and convey it to the rear. A thickness-fixed pressure roller is positioned above the second conveyor belt and behind the precision forming roller assembly. A pneumatic cutting mechanism for cutting and deburring ultra-thin ceramic fiber slabs is provided above the second conveyor belt and behind the thickness-fixing roller. A high-temperature kiln installed on the second transmission belt and located behind the pneumatic cutting mechanism for high-temperature shaping of the cut ultra-thin ceramic fiber slab; as well as The PLC control system is connected to the first transmission belt, the precision forming roller group mechanism, the second transmission belt, the pneumatic cutting mechanism, and the high-temperature kiln.

2. The continuous production apparatus for ultra-thin ceramic fiber boards as described in claim 1, characterized in that, The pre-compression forming roller group includes an upper pre-compression forming roller and a lower pre-compression forming roller arranged symmetrically at the top and bottom, and a fixed pre-compression roller track is formed between the upper pre-compression forming roller and the lower pre-compression forming roller.

3. The continuous production apparatus for ultra-thin ceramic fiberboard as described in claim 1, characterized in that, The precision forming roller assembly mechanism includes: The upper and lower moving forming rollers are arranged symmetrically, with a variable pressing roller track formed between them. Pressure sensors connected to the PLC control system are installed inside the upper and / or lower moving forming rollers to monitor the roller surface pressure. The upper servo drive motor and the lower servo drive motor are connected to the PLC control system on one hand, and to the upper and lower movable forming rollers on the other hand, and are used to drive the upper and lower movable forming rollers to move up and down, so as to adjust the gap between the variable pressing rollers in real time according to the pressure state of the roller surface.

4. The continuous production apparatus for ultra-thin ceramic fiber boards as described in claim 3, characterized in that, An upper scraper is provided on the upper side of the upper movable forming roller for cleaning the roller surface of the upper movable forming roller, and a lower scraper is provided on the lower side of the lower movable forming roller for cleaning the roller surface of the lower movable forming roller.

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