Fiberboard production method and system, intelligent terminal and storage medium

Abstract

The invention relates to a fiberboard production method and system, an intelligent terminal and a storage medium, and relates to the field of fiberboard production technologies. Fiber filler is laid on the lower-layer plate, so that a fiber cushion layer is formed on the lower-layer plate; the lower-layer plate and the fiber cushion layer are subjected to pre-pressing treatment; laying an upper-layer plate on the fiber cushion layer; the upper-layer plate, the fiber cushion layer and the lower-layer plate are subjected to hot pressing treatment, and a fiberboard finished product is obtained; and cutting treatment and stacking treatment are conducted on the fiberboard finished product. The method has the effects of simplifying the manufacturing process of the fiberboard and improving the quality of the fiberboard.

Description

Technical Field

[0001] The present application relates to the field of fiberboard production technology, and in particular to a fiberboard production method, system, intelligent terminal and storage medium. Background Art

[0002] With the rapid development of the textile industry, the consumption of fiber materials has increased dramatically, and a large amount of waste fiber materials have been generated. If these waste fiber materials are not properly handled, they will not only occupy land resources, but also pollute the environment. Therefore, fiber recycling is of great significance for achieving resource conservation, environmental protection and sustainable development. Among them, the most common way to recycle waste fiber materials is to make fiberboard.

[0003] The related technology first grinds the fibers in the clothes, mixes them with glue, and hot-presses them into a fiber mat layer, and then covers the upper and lower sides of the fiber mat layer with wooden boards to form a thick fiberboard.

[0004] With regard to the above-mentioned related technologies, adhesives need to be added to the fiber pad layer during its production, which makes it easy for it to stick to the surface of the equipment and break easily when the fiber pad layer is lifted, thus affecting the subsequent operation process. Summary of the invention

[0005] In order to simplify the manufacturing process of fiberboard and improve the quality of fiberboard, the present application provides a fiberboard production method, system, intelligent terminal and storage medium.

[0006] In a first aspect, the present application provides a fiberboard production method, which adopts the following technical solution: A fiberboard production method comprising: Flatten the lower plate; Laying fiber filler on the lower plate to form a fiber pad layer on the lower plate; Pre-pressing the lower plate and the fiber pad; Laying an upper plate material on the fiber mat layer; Performing heat pressing treatment on the upper plate, the fiber mat layer and the lower plate to obtain a finished fiberboard; The fiberboard finished product is cut and stacked.

[0007] By adopting the above technical solution, a fiber mat is laid on the lower plate, and after pre-pressing, an upper plate is laid on the fiber mat, and finally a fiberboard product is obtained by hot pressing. The fiberboard product has a more compact structure, and saves the tedious steps of manually laying the upper and lower plates. The whole process is smoother, and the fiber mat will not stick to the device during processing, and there is no need to do special lubrication treatment on the device.

[0008] Optionally, a first fiber filler is laid on the lower plate to form a first fiber pad layer; Laying a transition plate on the side of the first fiber mat layer, wherein the thickness of the transition plate is greater than a preset thickness, and the width of the transition plate is greater than a preset width; A second fiber filler is laid on the first fiber mat layer and the transition plate to form a second fiber filler.

[0009] By adopting the above technical solution, a transition plate is added to the side of the fiber pad layer. The transition plate can tightly combine the first fiber pad layer and the second fiber pad layer, and can solve the problem that the fiber filler is difficult to fill the side of the fiber pad layer.

[0010] Optionally, obtaining a first thickness of the first fiber mat layer; Extracting a raised area on the first fiber mat layer according to the first thickness, wherein the first thickness corresponding to the raised area is greater than a first height threshold; placing the transition plate at the center of the first fiber mat layer; Applying a first preset pressure value on the transition plate, and controlling the transition plate to move toward the side of the first fiber mat layer; During the movement of the transition plate, when the distance between the transition plate and the raised area is less than a distance threshold, a second preset pressure value is applied to the transition plate until the transition plate leaves the raised area, and the second preset pressure value is greater than the first preset pressure value.

[0011] By adopting the above technical solution and smoothing the surface of the first fiber mat layer during the laying process of the transition plate, the first fiber mat layer can be made as smooth as possible, ensuring that the thickness of the first fiber mat layer is uniform everywhere. At the same time, it is also beneficial to the laying of the second fiber mat layer.

[0012] Optionally, after the transition plate moves to the side of the first fiber mat layer, a second thickness of the first fiber mat layer is obtained; Extracting a concave area on the first fiber mat layer according to the second thickness, wherein the second thickness corresponding to the concave area is less than a second height threshold; Detecting the area of ​​a first region of the recessed region; When the area of ​​the first region is greater than an area threshold, generating an additional laying amount of the second fiber filler according to the area of ​​the first region; The second fiber filler is laid on the recessed area according to the additional laying amount.

[0013] By adopting the above technical solution, the second fiber filler is laid in the recessed area according to the additional laying amount, so that the recessed area is filled with the second fiber filler, ensuring that the thickness of the second fiber pad layer is consistent everywhere, which is beneficial to ensuring the quality of the finished fiberboard.

[0014] Optionally, obtaining a third thickness of the fiber mat layer; According to the third thickness, extracting a first target area and a second target area on the fiber mat layer, wherein the third thickness corresponding to the first target area is greater than a preset interval, and the third thickness corresponding to the second target area is less than the preset interval; During the hot pressing process, increasing the hot pressing temperature of the first target area and increasing the hot pressing pressure of the first target area; During the hot pressing process, the hot pressing temperature of the second target area is reduced and the hot pressing pressure of the second target area is increased.

[0015] By adopting the above technical solution, the first target area and the second target area in the fiber mat layer are determined, and during the hot pressing process, the first target area and the second target area are processed accordingly, so that the thickness of the entire fiber mat layer remains uniform after the hot pressing process.

[0016] Optionally, during the hot pressing process, the hot pressing pressure at each location of the upper plate is obtained; Determine a candidate region according to the thermal pressure, the thermal pressure corresponding to the candidate region being less than a pressure threshold; Obtaining a temperature change curve of the candidate area in a historical period; Calculating the slope of the temperature change curve, and comparing the slope of the curve with a preset slope; When the slope of the curve is less than the preset slope, the hot pressing pressure of the candidate region is increased and the hot pressing temperature of the candidate region is decreased.

[0017] By adopting the above technical solution, the candidate area is determined using the hot pressing pressure and temperature change curve, and the hot pressing pressure of the candidate area is increased and the hot pressing temperature of the candidate area is reduced, so that the thickness of the candidate area after hot pressing treatment can reach the average thickness of the fiber mat layer.

[0018] Optionally, calculating the area of ​​a second region of the candidate region; When the area of ​​the second region is larger than a preset area, a reduction rate is calculated according to the slope of the curve and the area of ​​the second region; The cooling rate of the candidate region is reduced according to the reduction rate.

[0019] By adopting the above technical solution, the reduction rate is calculated according to the slope of the curve and the area of ​​the second region, and the reduction rate is used to reduce the cooling rate of the candidate region.

[0020] In a second aspect, the present application provides a fiberboard production system, which adopts the following technical solution: A fiberboard production system, comprising: An acquisition module, used to acquire a first thickness, a first height threshold, a first preset value, a second preset value, a second thickness, a region area, a third thickness, a hot pressing pressure, and a temperature change curve; A memory for storing a program of any one of the above fiberboard production methods; The program in the memory can be loaded and executed by the processor to implement any of the above fiberboard production methods.

[0021] By adopting the above technical solution, a fiber mat is laid on the lower plate, and after pre-pressing, an upper plate is laid on the fiber mat, and finally a fiberboard product is obtained by hot pressing. The fiberboard product has a more compact structure, and saves the tedious steps of manually laying the upper and lower plates. The whole process is smoother, and the fiber mat will not stick to the device during processing, and there is no need to do special lubrication treatment on the device.

[0022] In a third aspect, the present application provides a smart terminal, which adopts the following technical solution: An intelligent terminal comprises a memory and a processor, wherein the memory stores a computer program which can be loaded by the processor and execute any one of the above methods.

[0023] By adopting the above technical solution, a fiber mat is laid on the lower plate, and after pre-pressing, an upper plate is laid on the fiber mat, and finally a fiberboard product is obtained by hot pressing. The fiberboard product has a more compact structure, and saves the tedious steps of manually laying the upper and lower plates. The whole process is smoother, and the fiber mat will not stick to the device during processing, and there is no need to do special lubrication treatment on the device.

[0024] In a fourth aspect, the present application provides a computer storage medium capable of storing a corresponding program, which is convenient for simplifying the manufacturing process of fiberboard and improving the quality of fiberboard, and adopts the following technical solution: A computer-readable storage medium stores a computer program that can be loaded by a processor and execute any one of the fiberboard production methods described above.

[0025] By adopting the above technical solution, a fiber mat is laid on the lower plate, and after pre-pressing, an upper plate is laid on the fiber mat, and finally a fiberboard product is obtained by hot pressing. The fiberboard product has a more compact structure, and saves the tedious steps of manually laying the upper and lower plates. The whole process is smoother, and the fiber mat will not stick to the device during processing, and there is no need to do special lubrication treatment on the device.

[0026] In summary, the present application includes at least one of the following beneficial technical effects: 1. Lay the fiber cushion layer on the lower board, and after pre-pressing, lay the upper board on the fiber cushion layer, and finally perform hot pressing to obtain the finished fiberboard. The finished fiberboard has a more compact structure, and saves the tedious steps of manually laying the upper and lower boards. The whole process is smoother, and the fiber cushion layer will not stick to the device during processing, and there is no need for special lubrication of the device; 2. Add a transition plate on the side of the fiber mat layer. The transition plate can make the first fiber mat layer and the second fiber mat layer closely combined, and can solve the problem that the fiber filler is difficult to fill the side of the fiber mat layer; 3. During the laying process of the transition plate, the surface of the first fiber cushion layer is leveled, so that the first fiber cushion layer can be as flat as possible and the thickness of the first fiber cushion layer is uniform everywhere. At the same time, it is also conducive to the laying of the second fiber cushion layer. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic flow chart of a fiberboard production method provided in an embodiment of the present application.

[0028] Figure 2 It is a schematic diagram of a fiberboard production method provided in an embodiment of the present application.

[0029] Figure 3 It is a schematic diagram of a side gap of a fiberboard provided in an embodiment of the present application.

[0030] Figure 4 It is a schematic flow chart of a method for laying a fiber filler provided in an embodiment of the present application.

[0031] Figure 5 It is a schematic diagram of the structure of a fiberboard provided in an embodiment of the present application.

[0032] Figure 6 It is a schematic flow chart of a method for laying a transition plate provided in an embodiment of the present application.

[0033] Figure 7 It is a schematic flow chart of a method for laying a second fiber filler provided in an embodiment of the present application.

[0034] Figure 8 This is a schematic diagram of a hot pressing method provided in an embodiment of the present application. Figure 1 .

[0035] Fig. 9 This is a schematic diagram of a hot pressing method provided in an embodiment of the present application. Figure 2 .

[0036] Fig.10 This is a schematic diagram of a hot pressing method provided in an embodiment of the present application. Figure 3 .

[0037] Fig.11 It is a structural schematic diagram of a fiberboard production system provided in an embodiment of the present application. DETAILED DESCRIPTION

[0038] In order to make the purpose, technical solutions and advantages of this application more clear, the following Figures 1 to 11 It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0039] The present application embodiment discloses a schematic flow chart of a fiberboard production method. Figure 1 , the method comprising: Step S101: flattening the lower plate material.

[0040] The flattening treatment includes, but is not limited to, at least one of rolling treatment, cold flattening treatment, hot flattening treatment, and mechanical stretching treatment.

[0041] Furthermore, after the lower sheet is flattened, the surface flatness of the lower sheet is detected. If the surface flatness belongs to the preset flatness interval, it means that the lower sheet after the flattening process meets the design standard, and the subsequent steps can be continued; if the surface flatness does not belong to the preset flatness interval, it means that the lower sheet after the flattening process does not meet the design standard, so according to the difference between the surface flatness and the preset flatness interval, the process parameters of the flattening process are updated. For example, taking the flattening process as a rolling process, when the surface flatness does not belong to the preset flatness interval, the process parameters such as the rolling time, rolling pressure, and the moving speed of the lower sheet can be adjusted.

[0042] Optionally, the lower sheet material is a flexible sheet material.

[0043] Step S102: laying fiber filler on the lower plate to form a fiber pad layer on the lower plate.

[0044] In the embodiment of the present application, the fiber filler is composed of waste fiber material and adhesive. For example, the waste fiber material can be obtained by crushing waste clothes. The adhesive is MDI glue (diphenylmethane diisocyanate).

[0045] Optionally, the fiber filler has a glue content of 2%-7%wt.

[0046] Exemplarily, the lower sheet material moves with the conveyor belt, and the fiber filler is evenly poured onto the lower sheet material, so that the fiber filler is evenly laid on the lower sheet material.

[0047] For example, please refer to Figure 2 , fiber filler is laid on the lower plate material 201 to form a fiber pad layer 202.

[0048] Step S103: pre-pressing the lower plate material and the fiber pad layer.

[0049] Optionally, the pre-pressing treatment adopts a cold pressing flattening treatment.

[0050] For example, please refer to Figure 2 The lower plate material 201 and the fiber pad layer 202 are pre-pressed as a whole to make the surface of the fiber pad layer 202 as flat as possible.

[0051] Step S104: Laying an upper plate material on the fiber pad layer.

[0052] The materials of the upper plate and the lower plate can be the same or different.

[0053] Exemplarily, the upper sheet material is a flexible sheet material, and when the lower sheet material and the fiber mat layer move with the conveyor belt, the upper sheet material wound on the drum will be pulled out and laid on the fiber mat layer.

[0054] For example, please refer to Figure 2 , an upper plate material 203 is laid on the fiber pad layer 202 .

[0055] Step S105: hot pressing the upper plate, the fiber pad and the lower plate to obtain a finished fiberboard.

[0056] Optionally, process parameters related to hot pressing treatment are: transmission speed of 3-12 m / min, hot pressing temperature of 160-230° C., hot pressing factor of 35 s / min, high pressure zone of 330-450 bar, low pressure zone of 160-350 bar, and hot pressing residence time of 2-15 min.

[0057] Optionally, the finished fiberboard has a density of 0.8-1.3 kg / m3 and a thickness of 0.6-1.8 cm.

[0058] For example, please refer to Figure 2The upper plate 203, the fiber pad layer 202 and the lower plate 201 are subjected to hot pressing treatment to melt the adhesive in the fiber pad layer 2022, and the upper plate 203, the fiber pad layer 202 and the lower plate 201 are tightly combined together to form a fiberboard finished product 204.

[0059] Furthermore, after the hot pressing treatment is completed, the finished fiberboard product needs to be cooled so that the temperature of the finished fiberboard product drops to a preset temperature so that relevant personnel can carry it.

[0060] Step S106: cutting and stacking the finished fiberboard products.

[0061] For example, the finished fiberboard product is cut into a plurality of fiberboard products of the same shape and size. The specific parameters of the fiberboard products can be adjusted according to actual needs.

[0062] By adopting the above technical solution, a fiber mat is laid on the lower plate, and after pre-pressing, an upper plate is laid on the fiber mat, and finally a fiberboard product is obtained by hot pressing. The fiberboard product has a more compact structure, and saves the tedious steps of manually laying the upper and lower plates. The whole process is smoother, and the fiber mat will not stick to the device during processing, and there is no need to do special lubrication treatment on the device.

[0063] In the following embodiments, since the fiber filler is obtained by crushing waste clothes, the particles of the fiber filler are relatively coarse. When the fiber filler is laid on the lower plate, it is easy for the side of the lower plate to not be completely filled with the fiber filler, thereby generating gaps, affecting the structural compactness of the finished fiberboard. Please refer to Figure 3 To solve this problem, the present application discloses a schematic flow chart of a method for laying fiber filler. Figure 4 , the method comprising: Step S401: Laying a first fiber filler on a lower plate material to form a first fiber pad layer.

[0064] The process of laying the first fiber filler on the lower board is similar to Figure 1 Step S102 of the illustrated embodiment is similar and will not be described in detail here.

[0065] It should be noted that the thickness of the first fiber mat layer is smaller than the thickness of the fiber mat layer.

[0066] Step S402: laying a transition plate on the side of the first fiber mat layer, wherein the thickness of the transition plate is greater than a preset thickness, and the width of the transition plate is greater than a preset width.

[0067] The width of the transition plate corresponds to a direction perpendicular to the above-mentioned side edges.

[0068] In some other embodiments, the closer to the side edge, the easier it is to have a gap, and the closer to the side edge, the larger the size of the gap. Therefore, the thickness of any point on the transition plate is negatively correlated with the distance from the point to the side edge. In other words, the closer to the side edge, the smaller the thickness corresponding to the point.

[0069] Step S403: laying a second fiber filler on the first fiber pad layer and the transition plate to form a second fiber filler.

[0070] The process of laying the first fiber filler on the first fiber mat and transition plate is similar to Figure 1 Step S102 of the illustrated embodiment is similar and will not be described in detail here.

[0071] For example, please refer to Figure 5 In the finished fiberboard, the side of the finished fiberboard is composed of a lower sheet 201, a first fiber pad layer 2021, a transition sheet 301, a second fiber pad layer 2022 and an upper sheet 203. On the one hand, the transition sheet fills a part of the gap on the side, thereby improving the structural compactness of the finished fiberboard. On the other hand, the thickness of the first fiber pad layer is relatively small, and the adhesive in the first fiber pad layer can better contact the lower sheet and the transition sheet, thereby improving the bonding effect between the lower sheet and the transition sheet. Similarly, the second fiber pad layer can also better improve the bonding effect between the upper sheet and the transition sheet, thereby making the finished fiberboard more compact. Moreover, the finished fiberboard is ensured to have a certain thickness, thereby improving the overall strength of the finished fiberboard.

[0072] By adopting the above technical solution, a transition plate is added to the side of the fiber pad layer. The transition plate can tightly combine the first fiber pad layer and the second fiber pad layer, and can solve the problem that the fiber filler is difficult to fill the side of the fiber pad layer.

[0073] In the following embodiments, when laying the transition plate, the surface of the first fiber mat layer can also be smoothed by the transition plate to make the surface as smooth as possible, which is conducive to the subsequent laying of the second fiber mat layer. Therefore, the embodiment of the present application discloses a flow chart of a method for laying a transition plate. Figure 6 , the method comprising: Step S601: obtaining a first thickness of a first fiber mat layer.

[0074] Exemplarily, a first distance meter is provided on the first fiber cushion layer, and a first reading of the first distance meter is obtained; and a difference between a preset height and the first reading is calculated to obtain a first thickness.

[0075] Step S602: extracting a raised area on the first fiber mat layer according to the first thickness, wherein the first thickness corresponding to the raised area is greater than a first height threshold.

[0076] In some embodiments, the first height threshold is a preset empirical value.

[0077] In some embodiments, the first thickness of each location on the first fiber mat layer is obtained, and the average value of the first thickness is calculated to obtain the first height threshold.

[0078] Exemplarily, the surface of the first fiber mat layer is scanned to obtain a first surface model of the first fiber mat layer, the first surface model is used to describe the surface shape of the first fiber mat layer, and the convex area on the first fiber mat layer is obtained through the first surface model.

[0079] Step S603: placing a transition plate at the center of the first fiber pad layer.

[0080] The center position of the first fiber mat layer refers to the position of the center line along the length direction of the first fiber mat layer.

[0081] Step S604: applying a pressure value of a first preset value on the transition plate, and controlling the transition plate to move toward the side of the first fiber mat layer.

[0082] The first preset value is a preset experience value. Relevant personnel can adjust the specific value of the first preset value according to actual needs.

[0083] Since the transition plate moves toward the side of the first fiber mat layer and a first preset pressure value is applied to the transition plate, the transition plate will flatten the surface of the first fiber mat layer to make the surface of the first fiber mat layer as flat as possible.

[0084] Exemplarily, two transition plates are placed in abutting relation at the center of the first fiber mat layer, wherein one transition plate moves toward one side of the first fiber mat layer, and the other transition plate moves toward the other side of the second fiber mat layer.

[0085] Step S605: During the movement of the transition plate, when the distance between the transition plate and the raised area is less than a distance threshold, a second preset pressure value is applied to the transition plate until the transition plate leaves the raised area, and the second preset pressure value is greater than the first preset pressure value.

[0086] The distance threshold is a preset empirical value.

[0087] When the transition plate is close to the raised area, a second preset pressure value will be applied to the transition plate. Therefore, the transition plate will use the second preset pressure value to act on the raised area. The second preset pressure value can make the raised area as flat as possible.

[0088] By adopting the above technical solution and smoothing the surface of the first fiber mat layer during the laying process of the transition plate, the first fiber mat layer can be made as smooth as possible, ensuring that the thickness of the first fiber mat layer is uniform everywhere. At the same time, it is also beneficial to the laying of the second fiber mat layer.

[0089] In the following embodiments, the laying of the second fiber filler will be affected by the first fiber mat layer. For example, there are concave areas on the surface of the first fiber mat layer. These concave areas need to be considered when laying the second fiber mat layer to avoid the final fiber mat layer also having concave areas. The concave areas will affect the hot pressing process, thereby causing the quality of the finished fiberboard to decrease. Therefore, the embodiment of the present application discloses a flow chart of a method for laying the second fiber filler. Figure 7 , the method comprising: Step S701: after the transition plate moves to the side of the first fiber mat layer, obtaining a second thickness of the first fiber mat layer.

[0090] Exemplarily, a second rangefinder is provided on the first fiber cushion layer, and a second reading of the second rangefinder is obtained; and a difference between a preset height and the second reading is calculated to obtain a second thickness of the first fiber cushion layer.

[0091] Step S702: extracting a concave area on the first fiber mat layer according to the second thickness, wherein the second thickness corresponding to the concave area is less than a second height threshold.

[0092] In some embodiments, the second height threshold is a preset empirical value.

[0093] In some embodiments, the second thickness of each location on the first fiber mat layer is obtained, and the average value of the second thickness is calculated to obtain the second height threshold.

[0094] Exemplarily, the surface of the first fiber mat layer is scanned to obtain a second surface model of the first fiber mat layer. The concave region on the first fiber mat layer is acquired through the second surface model.

[0095] It should be noted that the embodiment of the present application only obtains the recessed area on the first fiber pad layer, but not the raised area. This is because the upper plate material, the fiber pad layer and the lower plate material need to be hot pressed later, and the hot pressing treatment is more sensitive to the recessed area. If the depth of the recessed area is too deep, there is a high probability that after the hot pressing treatment, an incompletely hot-pressed fiber pad layer will appear inside the finished fiberboard product, resulting in a decrease in the structural compactness of the finished fiberboard product, affecting the quality of the finished fiberboard product.

[0096] Step S703: Detect the area of ​​the first region of the concave region.

[0097] Optionally, after scanning the surface of the first fiber mat layer to obtain a second surface model of the first fiber mat layer, the shape and boundary line of the recessed area are extracted through the second surface model. An integral operation is performed according to the aforementioned shape and boundary line to obtain the first area of ​​the recessed area.

[0098] Step S704: when the area of ​​the first region is greater than the area threshold, generate an additional laying amount of the second fiber filler according to the area of ​​the first region.

[0099] The area threshold is a preset empirical value. Relevant personnel can adjust the area threshold according to actual needs.

[0100] Exemplarily, the depth of each recessed region is extracted through the second surface model; the area of ​​the first region and the depth of the recessed region are integrated to obtain the recessed volume of the recessed region; and the recessed volume is used as the additional laying amount of the second fiber filler.

[0101] Step S705: laying a second fiber filler on the recessed area according to the additional laying amount.

[0102] Exemplarily, the sum of the additional laying amount and the preset laying amount is calculated to obtain the total laying amount of the recessed area, and the second fiber filler is laid on the recessed area according to the total laying amount.

[0103] By adopting the above technical solution, the second fiber filler is laid in the recessed area according to the additional laying amount, so that the recessed area is filled with the second fiber filler, ensuring that the thickness of the second fiber pad layer is consistent everywhere, which is beneficial to ensuring the quality of the finished fiberboard.

[0104] In the following embodiment, before the upper plate, the fiber mat layer and the lower plate are subjected to hot pressing treatment, if it is detected that there are uneven areas on the surface of the fiber mat layer, the parameters used for the hot pressing treatment can be adjusted. Figure 1 . Reference Figure 8 , the method comprising: Step S801: obtaining a third thickness of the fiber mat layer.

[0105] Exemplarily, a third rangefinder is provided on the fiber cushion layer, and a third reading of the third rangefinder is obtained; and a difference between a preset height and the third reading is calculated to obtain a third thickness.

[0106] Furthermore, the average fiber size of the fiber mat layer is obtained, and the FEM (finite element method) model is called to process the average fiber size and the third thickness to correct the third thickness.

[0107] Step S802: extracting a first target area and a second target area on the fiber mat layer according to the third thickness, wherein the third thickness corresponding to the first target area is greater than a preset interval, and the third thickness corresponding to the second target area is less than the preset interval.

[0108] The preset interval is a preset experience value.

[0109] The third thickness of the first target area is greater than the preset interval. This means that the thickness of the first target area is relatively large, and there may be a phenomenon of local excessive accumulation or unevenness of the material. For the first target area, additional process measures need to be taken in the subsequent hot pressing process to eliminate the adverse effects caused by the excessively thick part.

[0110] The third thickness of the second target area is less than the preset interval. This means that the thickness of the second target area is small, and there may be uneven material distribution, resulting in local weakness. For the second target area, additional process measures are also required in the subsequent hot pressing process to ensure the performance stability of the material during the entire processing process.

[0111] Step S803: during the hot pressing process, increasing the hot pressing temperature of the first target area and increasing the hot pressing pressure of the first target area.

[0112] For the first target area, the temperature and pressure of the hot pressing treatment will be appropriately increased. This treatment strategy is mainly to improve the problem of excessive thickness in the first target area. Increasing the hot pressing temperature can accelerate the plastic deformation of the fiber filler, so that the over-thick area of ​​the fiber mat layer can expand more evenly and reduce the local over-thickness. At the same time, increasing the hot pressing pressure can promote further compaction of the fiber filler, reduce the thickness of the fiber mat layer, and ensure its flatness and uniformity.

[0113] Furthermore, the first mapping table pre-records the mapping relationship between the thickness of the first target area and the hot pressing temperature and hot pressing pressure. When performing the hot pressing process, the hot pressing temperature and hot pressing pressure on the first target area are obtained through the first mapping table.

[0114] Step S804: during the hot pressing process, lowering the hot pressing temperature of the second target area and increasing the hot pressing pressure of the second target area.

[0115] The second target area has a smaller thickness, which may be a weak area caused by uneven material distribution or too little local pressure. By lowering the hot pressing temperature in this area, the material in this area can be prevented from softening or flowing prematurely, thereby ensuring that the part can maintain appropriate structural strength in subsequent processing. At the same time, increasing the hot pressing pressure in this area helps to compact the weak part and increase its density, thereby improving the overall uniformity of the material.

[0116] Furthermore, the second mapping table records in advance the mapping relationship between the thickness of the second target area and the hot pressing temperature and hot pressing pressure. When performing the hot pressing process, the hot pressing temperature and hot pressing pressure on the second target area are obtained through the second mapping table.

[0117] By adopting the above technical solution, the first target area and the second target area in the fiber mat layer are determined, and during the hot pressing process, the first target area and the second target area are processed accordingly, so that the thickness of the entire fiber mat layer remains uniform after the hot pressing process.

[0118] In the following embodiments, when the hot pressing treatment is formally carried out, it is necessary to pay attention to parameters such as the hot pressing temperature and the hot pressing pressure at all times to ensure that the hot pressing treatment can be performed normally. Figure 2 . Reference Fig. 9 , the method comprising: Step S901: during the hot pressing process, obtaining the hot pressing pressure at various locations of the upper plate.

[0119] Optionally, the hot pressing equipment includes an upper hot pressing plate and a lower hot pressing plate, the upper hot pressing plate corresponds to the upper sheet material, and the lower hot pressing plate corresponds to the lower sheet material, the upper sheet material, the fiber pad layer and the lower sheet material are clamped between the upper hot pressing plate and the lower hot pressing plate, and the upper hot pressing plate and the lower hot pressing plate interact with each other to clamp the upper sheet material, the fiber pad layer and the lower sheet material.

[0120] Furthermore, a pressure sensor array is provided on the upper hot pressing plate, distributed at multiple points of the upper hot pressing plate, to obtain the hot pressing pressure at various locations of the upper plate in real time.

[0121] In some other embodiments, the hot pressing pressure at various locations of the lower sheet material may also be obtained.

[0122] Step S902: determining a candidate region according to the thermal pressure, wherein the thermal pressure corresponding to the candidate region is less than a pressure threshold.

[0123] Optionally, the pressure threshold is a preset empirical value.

[0124] Optionally, the average value of the hot pressing pressure at each location of the upper plate is calculated, and the average value is used as the pressure threshold.

[0125] Step S903: Obtain the temperature change curve of the candidate area in the historical period.

[0126] The length of the historical period is a preset empirical value.

[0127] Optionally, the historical period is determined according to the time when the hot pressing pressure is obtained. For example, when the time when the hot pressing pressure is obtained is 12:00, the historical period is from 11:00 to 12:00.

[0128] Optionally, the historical time is determined according to the duration of the upper sheet being hot-pressed. For example, when the hot-pressing pressure is obtained at 13:00, and the upper sheet enters the hot-pressing device at 11:30, 11:30 to 13:00 is set as the historical period.

[0129] Step S904: Calculate the slope of the temperature change curve, and compare the slope with a preset slope.

[0130] The preset slope is a preset empirical value.

[0131] Optionally, the slope of the temperature change curve at each time point in the historical period is calculated, and the average of the slopes at the aforementioned time points is calculated to obtain the slope of the curve.

[0132] Optionally, the slope of the temperature change curve at each time point in the historical period is calculated, and the slope that appears most frequently among the slopes at each time point is taken as the slope of the curve.

[0133] Step S905: when the slope of the curve is less than a preset slope, increasing the hot pressing pressure of the candidate region and reducing the hot pressing temperature of the candidate region.

[0134] Since the slope of the temperature change curve of the candidate area is less than the preset value, it means that the area is not heated sufficiently or the temperature rises too slowly during the hot pressing process, and adjustment measures need to be taken. In this step, according to the abnormal temperature change, the hot pressing pressure of the area needs to be increased first. By increasing the hot pressing pressure, the compactness of the fiber filler can be accelerated, and the conduction of heat in the fiber filler can be promoted, so that the temperature rise rate of the candidate area is improved. However, while increasing the hot pressing pressure, the control of the hot pressing temperature also needs to be adjusted. Generally, a moderate reduction in the hot pressing temperature can prevent excessive softening of the fiber filler, keep the fiber filler hot pressed within a suitable temperature range, and at the same time, increase the hot pressing pressure to ensure that the material is more evenly compacted and heated. Therefore, by increasing the hot pressing pressure and reducing the double adjustment of the hot pressing temperature, the temperature change of the candidate area can be improved, the uniformity of the hot pressing process can be promoted, and the physical properties of the candidate area can be improved.

[0135] By adopting the above technical solution, the candidate area is determined using the hot pressing pressure and temperature change curve, and the hot pressing pressure of the candidate area is increased and the hot pressing temperature of the candidate area is reduced, so that the thickness of the candidate area after hot pressing treatment can reach the average thickness of the fiber mat layer.

[0136] In the following embodiments, when processing the candidate region, the cooling rate of the candidate region needs to be adjusted accordingly so that it can be cooled at a specific cooling rate. Figure 3 . Reference Fig.10 , the method comprising: Step S1001: Calculate the second region area of ​​the candidate region.

[0137] Optionally, the shape and boundary lines of the candidate region are obtained, and an integral operation is performed according to the aforementioned shape and boundary lines to obtain the second region area of ​​the candidate region.

[0138] Step S1002: When the area of ​​the second region is larger than the preset area, the reduction rate is calculated according to the slope of the curve and the area of ​​the second region.

[0139] Optionally, in a preset rate mapping table, a corresponding reduction rate is searched according to the slope of the curve and the area of ​​the second region.

[0140] Step S1003: reducing the cooling rate of the candidate area according to the reduction rate.

[0141] The goal of this step is to make the temperature change process of the candidate area more gradual, so as to ensure the mechanical properties, surface quality and structural stability of the material. If the cooling rate is too fast, a large temperature difference will often occur during the cooling process of the fiber filler. If the temperature difference changes too quickly, the fiber filler may crack or deform due to stress concentration. Therefore, during the cooling process, precise control of the cooling rate is one of the key factors to avoid adverse reactions of the fiber filler.

[0142] By adopting the above technical solution, the reduction rate is calculated according to the slope of the curve and the area of ​​the second region, and the reduction rate is used to reduce the cooling rate of the candidate region.

[0143] Based on the same inventive concept, the present application embodiment provides a fiberboard production system, please refer to Fig.11 , the system comprises: An acquisition module 1101 is used to acquire a first thickness, a first height threshold, a first preset value, a second preset value, a second thickness, a region area, a third thickness, a hot pressing pressure, and a temperature change curve; A memory 1102, used for storing a program of any one of the above fiberboard production methods; Processor 1103, the program in the memory can be loaded and executed by the processor to implement any of the above-mentioned fiberboard production methods.

[0144] In summary, a fiber mat is laid on the lower board, and after pre-pressing, an upper board is laid on the fiber mat, and finally a fiberboard product is obtained by hot pressing. The fiberboard product has a more compact structure, and saves the tedious steps of manually laying the upper and lower boards. The whole process is smoother, and the fiber mat will not stick to the device during processing, and there is no need to do special lubrication treatment on the device.

[0145] Those skilled in the art can clearly understand that for the convenience and simplicity of description, only the division of the above-mentioned functional modules is used as an example. In actual applications, the above-mentioned functions can be assigned to different functional modules as needed, that is, the internal structure of the device is divided into different functional modules to complete all or part of the functions described above. The specific working process of the system, device and unit described above can refer to the corresponding process in the aforementioned method embodiment, and will not be repeated here.

[0146] An embodiment of the present application provides a computer-readable storage medium storing a computer program that can be loaded by a processor and executed for a fiberboard production method.

[0147] Computer storage media include, for example, various media that can store program codes, such as USB flash drives, mobile hard disks, read-only memories (ROM), random access memories (RAM), magnetic disks or optical disks.

[0148] Based on the same inventive concept, an embodiment of the present application provides an intelligent terminal, including a memory and a processor, wherein the memory stores a computer program that can be loaded by the processor and execute a fiberboard production method.

[0149] Those skilled in the art can clearly understand that for the convenience and simplicity of description, only the division of the above-mentioned functional modules is used as an example. In actual applications, the above-mentioned functions can be assigned to different functional modules as needed, that is, the internal structure of the device is divided into different functional modules to complete all or part of the functions described above. The specific working process of the system, device and unit described above can refer to the corresponding process in the aforementioned method embodiment, and will not be repeated here.

[0150] The above are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. Any feature disclosed in this specification (including the abstract and drawings), unless otherwise stated, can be replaced by other equivalent or alternative features with similar purposes. That is, unless otherwise stated, each feature is only an example of a series of equivalent or similar features.

Claims

1. A fiberboard production method, characterized in that: The method comprises: Flatten the lower plate; Laying fiber filler on the lower plate to form a fiber pad layer on the lower plate; Pre-pressing the lower plate and the fiber pad; Laying an upper plate material on the fiber mat layer; Performing heat pressing treatment on the upper plate, the fiber mat layer and the lower plate to obtain a finished fiberboard; The fiberboard finished product is cut and stacked.

2. The fiberboard production method according to claim 1, characterized in that: The step of laying fiber filler on the lower plate material comprises: Laying a first fiber filler on the lower plate to form a first fiber pad; Laying a transition plate on the side of the first fiber mat layer, wherein the thickness of the transition plate is greater than a preset thickness, and the width of the transition plate is greater than a preset width; A second fiber filler is laid on the first fiber mat layer and the transition plate to form a second fiber filler.

3. The fiberboard production method according to claim 2, characterized in that: The method further comprises: Obtaining a first thickness of the first fiber mat layer; Extracting a raised area on the first fiber mat layer according to the first thickness, wherein the first thickness corresponding to the raised area is greater than a first height threshold; placing the transition plate at the center of the first fiber mat layer; Applying a first preset pressure value on the transition plate, and controlling the transition plate to move toward the side of the first fiber mat layer; During the movement of the transition plate, when the distance between the transition plate and the raised area is less than a distance threshold, a second preset pressure value is applied to the transition plate until the transition plate leaves the raised area, and the second preset pressure value is greater than the first preset pressure value.

4. The fiberboard production method according to claim 3, characterized in that: The method further comprises: After the transition plate moves to the side of the first fiber mat layer, obtaining a second thickness of the first fiber mat layer; Extracting a concave area on the first fiber mat layer according to the second thickness, wherein the second thickness corresponding to the concave area is less than a second height threshold; Detecting the area of ​​a first region of the recessed region; When the area of ​​the first region is greater than an area threshold, generating an additional laying amount of the second fiber filler according to the area of ​​the first region; The second fiber filler is laid on the recessed area according to the additional laying amount.

5. The fiberboard production method according to claim 4, characterized in that: After the lower plate material and the fiber mat layer are pre-pressed, the method further comprises: Obtaining a third thickness of the fiber mat layer; According to the third thickness, extracting a first target area and a second target area on the fiber mat layer, wherein the third thickness corresponding to the first target area is greater than a preset interval, and the third thickness corresponding to the second target area is less than the preset interval; During the hot pressing process, increasing the hot pressing temperature of the first target area and increasing the hot pressing pressure of the first target area; During the hot pressing process, the hot pressing temperature of the second target area is reduced and the hot pressing pressure of the second target area is increased.

6. The fiberboard production method according to claim 1, characterized in that: The method further comprises: During the hot pressing process, obtaining the hot pressing pressure at each location of the upper plate; Determine a candidate region according to the thermal pressure, the thermal pressure corresponding to the candidate region being less than a pressure threshold; Obtaining a temperature change curve of the candidate area in a historical period; Calculating the slope of the temperature change curve, and comparing the slope of the curve with a preset slope; When the slope of the curve is less than the preset slope, the hot pressing pressure of the candidate region is increased and the hot pressing temperature of the candidate region is decreased.

7. The fiberboard production method according to claim 6, characterized in that: The method further comprises: Calculating the second area of ​​the candidate area; When the area of ​​the second region is greater than a preset area, a reduction rate is calculated according to the slope of the curve and the area of ​​the second region; The cooling rate of the candidate region is reduced according to the reduction rate.

8. A fiberboard production system, characterized in that: The system comprises: An acquisition module, used to acquire a first thickness, a first height threshold, a first preset value, a second preset value, a second thickness, a region area, a third thickness, a hot pressing pressure, and a temperature change curve; A memory for storing a program of a fiberboard production method according to any one of claims 1 to 7; The program in the memory can be loaded and executed by the processor to implement the fiberboard production method according to any one of claims 1 to 7.

9. An intelligent terminal, characterized in that: The method comprises a memory and a processor, wherein the memory stores a computer program which can be loaded by the processor and executes any one of the methods of claims 1 to 7.

10. A computer-readable storage medium, characterized in that: A computer program is stored which can be loaded by a processor and execute the method according to any one of claims 1 to 7.

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