A soft porcelain uniform drying device

Abstract

The utility model provides a kind of soft porcelain uniform drying device, it is related to soft porcelain processing device technical field, it includes a pair of conveying roller of horizontal rotation setting, conveying roller one side is fixedly arranged with the driving source that can drive its rotation, two conveying rollers are peripherally arranged with conveying mesh belt, conveying mesh belt is synchronously rotated with two conveying rollers, a plurality of hot air boxes are fixedly arranged in parallel below conveying mesh belt, any hot air box is fixed and is communicated with a plurality of nozzles above, hot air machine is fixedly arranged in conveying mesh belt side, for blowing hot air, hot air machine is communicated below hot air box, a plurality of hot air boxes are arranged below mesh belt, are uniformly sent air by multiple nozzles upwards, heat is stable penetration from soft porcelain bottom, eliminate blow dead angle and humidity stratification;Hot air carries moisture and floats and is discharged, avoid waste gas accumulation, conveying mesh belt moves at uniform speed to ensure that wet blank each part is continuously heated evenly, and hole conveying mesh belt synchronously bears wet embryo and guarantees that hot air is unobstructed penetration, realize double-sided synchronous drying.

Description

Technical Field

[0001] This utility model relates to the technical field of soft porcelain processing equipment, and in particular to a soft porcelain uniform drying device. Background Technology

[0002] As a new type of environmentally friendly building decoration material, flexible ceramic tile is usually made by mixing specific polymer materials with inorganic fillers to form a composite slurry. After being shaped by a specific mold, a wet blank containing a large amount of water is obtained. Then, it is dried to remove moisture and achieve solidification and shaping. The drying process is crucial to the physical properties, dimensional stability and surface effect of the final product.

[0003] In existing technologies, hot air drying is commonly used to accelerate the dehydration of wet blanks. In actual production, many machines, for the sake of structural simplicity or convenient layout, often choose to install air outlets from the side wall or top of the drying chamber for drying. Although this method of introducing hot air is direct, it has significant drawbacks. Specifically, side blowing causes intense heat exchange and rapid drying in the wet blank area near the air outlet, while the central or opposite area away from the air outlet suffers from insufficient hot air coverage and delayed drying due to increased wind resistance and significantly reduced airflow velocity. Top blowing, on the other hand, has a tendency for hot air to rise due to its low density. When blown downwards, it severely hinders moisture evaporation, ultimately resulting in huge differences in the dehydration rate of different layers of the soft blank. Overall drying uniformity is difficult to guarantee, which not only affects production efficiency but also makes it easier for products to have quality defects such as local shrinkage deformation, stress cracks, or uneven strength, thus affecting the quality of soft porcelain products. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a uniform drying device for soft porcelain, which solves the problem that side-blowing or top-blowing in the drying chamber can easily lead to uneven heating of the soft porcelain wet blank, making it difficult to guarantee the overall drying uniformity and affecting production efficiency and product quality.

[0005] According to an embodiment of the present invention, a uniform drying device for soft porcelain includes:

[0006] The conveying mechanism includes a pair of horizontally rotating conveying rollers. A drive source that can drive the rollers to rotate is fixedly provided on one side of each conveying roller. A conveying mesh belt is arranged around the two conveying rollers and rotates synchronously with the two conveying rollers.

[0007] The drying mechanism includes a hot air blower and a hot air box. Several hot air boxes are fixedly arranged side by side below the conveyor belt. Several nozzles are fixedly and connected above each hot air box. The hot air blower is fixedly arranged on one side of the conveyor belt for blowing out hot air. The hot air blower is connected to the bottom of the hot air box.

[0008] The technical principle of this utility model is as follows: When this device is working, the drive source drives the conveyor roller to rotate, so that the conveyor belt with mesh continuously moves and carries the soft porcelain wet blank forward at a uniform speed. The hot air blower sends hot air into the hot air box arranged side by side below the mesh belt. The hot air is evenly sprayed upward through the nozzles evenly distributed above the hot air box. The hot air penetrates the mesh and acts directly on the bottom of the soft porcelain wet blank, causing the moisture to evaporate from bottom to top. The moisture rises naturally and is discharged from the space above the soft porcelain. The conveyor belt moves at a uniform speed so that each part of the wet blank passes through the hot air coverage area in sequence and evenly, avoiding local overheating or underheating, and achieving overall uniform dehydration.

[0009] Furthermore, the drying device also includes a support frame, with two conveying rollers rotatably mounted at both ends of the support frame. Several hot air chambers are fixedly arranged side by side on the support frame, and a hot air box is fixedly arranged in each hot air chamber.

[0010] The drive source includes a motor, which is fixedly mounted on one side of the support frame, and the output end of the motor is coaxially and fixedly connected to one of the conveying rollers.

[0011] Furthermore, adjacent hot air chambers are separated by partition plates, which are inclined in the opposite direction to the conveyor belt, and the hot air boxes are inclined at the same angle as the partition plates.

[0012] Furthermore, the hot air blower is fixedly installed on one side of the support frame, and the output end of the hot air blower is fixedly connected to a hot air pipe, which is connected to each of the hot air boxes.

[0013] Furthermore, a fixing plate is fixedly provided on one side of the top of any of the hot air chambers, and a sliding groove is provided in the fixing plate facing the opening. An adjusting plate is slidably provided in the sliding groove, and the adjusting plate can slide to cover the opening.

[0014] Furthermore, a cylinder is fixedly installed on the top of the fixing plate, and the output end of the cylinder is fixedly connected to the adjusting plate.

[0015] Furthermore, support plates are fixedly installed on both sides of the support frame extending upwards, and a cover plate is fixedly installed on the top of the support plate. The support plate and the cover plate are connected to each other to form a drying channel.

[0016] Furthermore, a moisture-absorbing duct is fixedly installed on the top of the cover plate, and the moisture-absorbing duct is connected to the drying channel. A moisture-absorbing fan is fixedly installed on one side of the moisture-absorbing duct, and the input end of the moisture-absorbing fan is connected to the moisture-absorbing duct.

[0017] Compared with the prior art, this utility model has the following beneficial effects: By evenly arranging hot air boxes below the conveyor belt and cooperating with multiple nozzles to blow air upwards, heat is evenly transferred from the bottom of the soft porcelain, eliminating the hidden dangers of uneven air blowing or humidity stratification. The hot air carries moisture from bottom to top and floats to the surface for discharge, avoiding the accumulation of humid and hot exhaust gas. The uniform movement of the conveyor belt ensures that all parts of the wet blank receive the same intensity of hot air, avoiding the heating difference at fixed positions. The perforated conveyor belt not only supports the movement of the blank but also ensures that the hot air penetrates without obstruction, achieving double-sided heating of the blank. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model.

[0019] Figure 2 This is a front cross-sectional structural diagram of an embodiment of the present utility model.

[0020] Figure 3 for Figure 2 Enlarged schematic diagram of the structure at point A in the middle.

[0021] Figure 4 This is a side cross-sectional structural diagram of an embodiment of the present utility model.

[0022] Figure 5 for Figure 4 Enlarged schematic diagram of the structure at point B.

[0023] In the above attached figures: 1. Conveying mechanism; 11. Conveying roller; 12. Conveying mesh belt; 13. Motor; 21. Hot air blower; 22. Hot air box; 221. Nozzle; 23. Hot air pipe; 24. Hot air chamber; 241. Divider plate; 242. Opening; 25. Fixing plate; 251. Sliding groove; 252. Adjusting plate; 26. Cylinder; 261. Connector; 27. Drying channel; 3. Support frame; 31. Support leg; 32. Mounting base; 33. Support plate; 34. Cover plate; 4. Moisture-absorbing air duct; 41. Baffle strip; 42. Moisture-absorbing fan; 421. Air outlet. Detailed Implementation

[0024] The technical solution of this utility model will be further described below with reference to the accompanying drawings and embodiments.

[0025] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0026] In an exemplary implementation, such as Figure 1-5 As shown in the figure, this utility model embodiment proposes a uniform drying device for soft porcelain, including a conveying mechanism 1 and a drying mechanism. The conveying mechanism 1 includes a pair of horizontally rotating conveying rollers 11. The two conveying rollers 11 are the same size and are on the same horizontal plane. A drive source that can drive the rotation of one of the conveying rollers 11 is fixedly installed on one side. A conveying mesh belt 12 is arranged around the two conveying rollers 11. The conveying mesh belt 12 has several holes for ventilation. The conveying mesh belt 12 rotates synchronously with the two conveying rollers 11. The drying mechanism includes a hot air blower 21 and a hot air box 22. Several hot air boxes 22 are fixedly arranged side by side below the conveying mesh belt 12 along the conveying direction. Several nozzles 221 are fixedly and connected above each hot air box 22. The nozzles 221 are evenly arranged. The hot air blower 21 is fixedly installed on one side of the conveying mesh belt 12 for blowing out hot air. The hot air blower 21 is connected to the bottom of the hot air box 22.

[0027] In this embodiment, the conveyor belt 12 is preferably a metal mesh belt. Metal materials have higher strength, corrosion resistance, and service life. The metal mesh belt needs to be able to bend at a certain angle and wrap around the two conveyor rollers 11. Specifically, it can be made of several metal wires interlocked and woven together, or it can be made of multiple sections of integrally formed mesh belt spliced ​​together. Its forming method can be selected according to the actual situation and is not limited here. The transmission method between the conveyor rollers 11 and the metal mesh belt includes friction or chain transmission. Specifically, the material of the conveyor rollers 11 is preferably a heat-resistant steel roller. High-temperature resistant rubber or silicone belts that can generate greater friction with the conveyor rollers 11 are fixedly arranged on both sides of the metal mesh belt. The metal mesh belt is pulled by the static friction between the conveyor rollers 11 and the rubber or silicone belt surfaces, and the tension of the rubber or silicone belt is maintained by setting tension rollers or tension adjustment mechanisms. The tightness ensures stable power transmission. Additionally, sprockets can be fixedly installed at both ends of the conveyor roller 11, and chains that mesh with the sprockets are fixedly installed at both ends of the metal mesh belt. The power generated by the conveyor roller 11 is transmitted to the metal mesh belt through the meshing of the sprockets and chains. It is worth noting that several support rollers (not shown in the figure) need to be rotatably installed below the upper conveying surface of the metal mesh belt for support during conveying. Several hot air boxes 22 are fixedly arranged side-by-side perpendicular to the conveying direction below the conveying layer, with a length slightly smaller than the width of the metal mesh belt. Multiple nozzles 221 are arranged in parallel at equal intervals along the length of the hot air boxes 22. The nozzles 221 can pressurize the hot air inside the hot air boxes 22 and diffuse it more evenly, allowing the hot air to cover a larger area of ​​the wet blank above the metal mesh belt, providing a more stable hot air drying effect.

[0028] In this embodiment, when the device is working, the drive source drives the conveyor roller 11 to rotate, causing the conveyor belt 12 with mesh to move continuously and carry the soft porcelain wet blank forward at a uniform speed. The hot air blower 21 sends hot air into the hot air box 22 arranged side by side below the mesh belt. The hot air is evenly sprayed upward through the nozzles 221 evenly distributed above the hot air box 22. The hot air penetrates the mesh and acts directly on the bottom of the soft porcelain wet blank, causing the moisture to evaporate from bottom to top. The moisture rises naturally and is discharged from the space above the soft porcelain. The conveyor belt 12 moves at a uniform speed so that each part of the wet blank passes through the hot air coverage area in sequence and evenly, avoiding local overheating or underheating, and achieving overall uniform dehydration.

[0029] This invention utilizes hot air boxes 22 evenly arranged below the conveyor belt 12, combined with multiple nozzles 221 to deliver air upwards. Heat is evenly transferred from the bottom of the soft ceramic, eliminating the hidden dangers of uneven airflow or humidity stratification. The hot air carries moisture upwards and is discharged, avoiding the accumulation of humid and hot exhaust gas. The conveyor belt moves at a uniform speed, ensuring that all parts of the wet blank receive the same intensity of hot air continuously, avoiding heating differences at fixed positions. The perforated conveyor belt 12 not only supports the movement of the blank but also ensures that the hot air penetrates without obstruction, achieving double-sided heating of the blank.

[0030] In another embodiment, such as Figure 1-5 As shown, the drying device further includes a support frame 3. The bottom of the support frame 3 is fixedly provided with multiple vertical support legs 31 to provide a stable bearing base. The two conveying rollers 11 are respectively rotatably disposed at both ends of the support frame 3. Specifically, the support frame 3 is symmetrically provided with a pair of mounting slots. Each mounting slot has a pair of mounting seats 32 rigidly fixed on both sides. The two conveying rollers 11 are coaxially mounted in the corresponding mounting seats 32 through bearings, so that the conveying mesh belt 12 forms a clear upper conveying surface and a lower return surface, which are respectively located on the upper and lower sides of the reference plane of the support frame 3. Several hot air chambers 24 are tightly and side by side fixedly disposed on the support frame 3 along the bottom of the conveying mesh belt 12. Each hot air chamber 24 is embedded and fixedly disposed with an independent hot air box 22. In this embodiment, the layered layout of the conveying mesh belt 12 effectively utilizes space and facilitates the concentrated action of hot air on the bottom of the upper conveying surface. The side by side hot air boxes 22 release heat in a directional manner through the hot air chambers 24, so that the heat flow penetrates the mesh belt holes evenly and contacts the bottom of the wet blank, significantly improving the drying efficiency and temperature distribution consistency.

[0031] In another embodiment, such as Figure 1 As shown, the driving source further includes a motor 13, which may include a geared motor, a frequency converter motor, or a servo motor, etc. The specific model is selected according to the actual situation and is not limited here. The motor 13 is fixedly installed on one side of the support frame 3. The output end of the motor 13 is coaxially fixedly connected to a conveying roller 11 to directly drive the roller to rotate. The direct connection between the motor 13 and the conveying roller 11 eliminates intermediate transmission loss and ensures that the power is efficiently transmitted to the conveyor belt 12. At the same time, the side-mounted layout of the motor 13 saves space and facilitates maintenance and repair.

[0032] In another embodiment, such as Figure 1-3 As shown, adjacent hot air chambers 24 are further separated by a partition plate 241. The partition plate 241 is inclined in the opposite direction of the conveyor belt 12. The hot air box 22 is inclined at the same angle as the partition plate 241. The inclination angle is preferably set to 30°-45°, so that the nozzle direction of the hot air box 22 forms an angle with the conveyor belt. Based on this setting, the inclined partition plate 241 and hot air box 22 can effectively prevent crosstalk caused by the vertical upward diffusion of airflow between the hot air chambers 24. This guides the hot air to diffuse uniformly and consistently along the bottom of the conveyor belt 12 in the opposite direction of the conveyor belt, significantly increasing the contact area and coverage time of the hot air in a single chamber with the conveyor belt 12, enhancing the uniformity of heat penetration to the bottom of the wet blank. At the same time, the relative scouring formed by the reverse airflow and the movement of the conveyor belt can further weaken the stagnant hot and humid air mass, and simultaneously improve the heat utilization efficiency and drying stability.

[0033] In another embodiment, such as Figure 1-3 As shown, the hot air blower 21 is further fixedly installed on one side of the support frame 3, and a heating source is installed inside it. The hot air temperature can be adjusted according to the usage requirements. The output end of the hot air blower 21 is fixedly connected to a hot air pipe 23, and the hot air pipe 23 is connected to each of the hot air boxes 22. In this embodiment, the hot air pipe 23 is made of heat-insulating metal material and extends longitudinally along the support frame 3. The pipe body is sealed and connected to each hot air box 22 through a bifurcated interface. Based on this setting, the heat energy generated by the hot air blower 21 is directionally transported through the heat-insulating hot air pipe 23 to ensure that the air pressure of each hot air box 22 is balanced and a stable and uniform heat flow supply is obtained.

[0034] In another embodiment, such as Figure 1-5 As shown, further, a fixing plate 25 is fixedly installed on one side of the top of any of the hot air chambers 24. A horizontal sliding groove 251 is provided in the fixing plate 25 facing the opening 242. An adjusting plate 252 that can slide laterally is embedded in the sliding groove 251. By manually pushing the adjusting plate 252, it can be slid to partially or completely cover the opening 242 at the top of the hot air chamber 24. Based on this setting, the area of ​​the opening 242 covered can be controlled by moving the adjusting plate 252, so as to flexibly realize the linear control of the hot air ejection section. This allows the operator to adjust the air volume and the range or intensity of the heat coverage area in real time according to the characteristics of the wet blank material, structure, thickness, moisture content, etc., to accurately adapt to the gradient drying requirements of different soft porcelain wet blanks, and simultaneously avoid local over-drying or under-drying, significantly improving the process adaptability of the system.

[0035] In another embodiment, such as Figure 1-5 As shown, further, a cylinder 26 is fixedly mounted on the top of the fixed plate 25, and a connector 261 is fixedly mounted on the adjusting plate 252. The output end of the cylinder 26 is fixedly connected to the connector 261. It should be noted that the cylinder 26 should be a high-temperature resistant cylinder to ensure stable operation in a hot air environment. Based on this configuration, the cylinder 26 can provide stable linear thrust. Combined with the guiding constraint of the sliding groove 251, it can achieve automatic and precise displacement of the adjusting plate 252, replacing manual operation and significantly increasing the coverage area of ​​the opening 242 of the hot air cavity 24. The system's control efficiency and response speed allow for remote, real-time dynamic adjustment of the air outlet cross-section of each hot air box 22 according to process requirements. This further enhances the independent control capability of the heat flow intensity in different areas of the conveyor belt 12, ensuring precise matching of temperature field distribution and dehydration rate during the drying process of the wet blank. At the same time, it avoids the safety risks of manual adjustment near the high-temperature zone, significantly improving the system's automation level and process stability. In other embodiments, the cylinder 26 can also be replaced by a high-temperature resistant electric push rod or a linear motor 13, etc., which can linearly drive the adjustment plate 252 to move. No restrictions are imposed here.

[0036] In another embodiment, such as Figure 1-5 As shown, further, support plates 33 are fixedly installed on both sides of the support frame 3 extending upwards, and cover plates 34 are fixedly installed on the top of the support plates 33. The support plates 33 and cover plates 34 are connected to each other to form a drying channel 27, which completely covers the wet blanks on the upper layer of the conveyor belt 12. Based on this setting, the rigid cavity formed by the support plates 33 and cover plates 34 can effectively isolate external cold air interference, significantly reduce heat loss and maintain a stable high-temperature environment in the channel, forming a bottom-up penetrating heat circulation, making the wet blanks more evenly heated on both sides, further solving the temperature stratification problem caused by traditional side blowing or top blowing, improving drying efficiency and product consistency, and the closed cavity structure also has dustproof and safety protection functions.

[0037] In another embodiment, such as Figure 1-5 As shown, further, a moisture-absorbing air duct 4 is fixedly installed on the top of the cover plate 34. The moisture-absorbing air duct 4 is interconnected with the drying channel 27, and the connection opening extends longitudinally to both ends. Several baffles 41 are equidistantly arranged laterally within the duct, forming a grid-like structure. A moisture-absorbing fan 42 is fixedly installed on one side of the moisture-absorbing air duct 4. The input end of the moisture-absorbing fan 42 is connected to the moisture-absorbing air duct 4, and the output end of the moisture-absorbing fan 42 is fixedly connected to an air outlet 421. Based on this arrangement, the airflow is dispersed through the baffles 41 at the connection opening, preventing concentrated moisture absorption and the formation of localized low-pressure areas. To ensure that the hot and humid exhaust gas in the drying channel 27 is captured evenly, the dehumidifying fan 42 establishes a stable negative pressure in the air duct during operation, continuously drawing out the hot and humid airflow carrying moisture that rises from the bottom hot air chamber 24 and penetrates the wet blank, significantly accelerating the evaporation rate of moisture on the surface of the wet blank. At the same time, by limiting the distance between the baffles 41, large particulate impurities can be physically intercepted to a certain extent, thereby protecting the dehumidifying fan 42. The extracted hot and humid mixed gas is discharged or recycled through the air outlet 421. This embodiment further optimizes the drying uniformity and energy efficiency ratio by forming a drying structure that penetrates from bottom to top and dehumidifies efficiently from top.

[0038] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the spirit and scope of the technical solutions of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A device for uniformly drying soft porcelain, characterized in that, include: The conveying mechanism (1) includes a pair of horizontally rotating conveying rollers (11). One of the conveying rollers (11) is fixedly provided with a drive source that can drive it to rotate. The two conveying rollers (11) are surrounded by a conveying mesh belt (12). The conveying mesh belt (12) rotates synchronously with the two conveying rollers (11). The drying mechanism includes a hot air blower (21) and a hot air box (22). Several hot air boxes (22) are fixedly arranged side by side below the conveyor belt (12). Several nozzles (221) are fixedly and connected above any one of the hot air boxes (22). The hot air blower (21) is fixedly arranged on one side of the conveyor belt (12) for blowing out hot air. The hot air blower (21) is connected to the bottom of the hot air box (22).

2. The soft porcelain uniform drying device as described in claim 1, characterized in that: The drying device also includes a support frame (3), two conveying rollers (11) are rotatably mounted at both ends of the support frame (3), and several hot air chambers (24) are fixedly arranged side by side on the support frame (3), and a hot air box (22) is fixedly arranged in each hot air chamber (24).

3. The soft porcelain uniform drying device as described in claim 2, characterized in that: The driving source includes a motor (13), which is fixedly mounted on one side of the support frame (3). The output end of the motor (13) is coaxially fixedly connected to a conveying roller (11).

4. The soft porcelain uniform drying device as described in claim 2, characterized in that: The adjacent hot air chambers (24) are separated by a partition plate (241), which is inclined in the opposite direction to the conveyor belt (12). The hot air box (22) is inclined at the same angle as the partition plate (241).

5. The soft porcelain uniform drying device as described in claim 2, characterized in that: The hot air blower (21) is fixedly installed on one side of the support frame (3), and the output end of the hot air blower (21) is fixedly connected to the hot air pipe (23), which is connected to each of the hot air boxes (22).

6. A uniform drying device for soft porcelain as described in any one of claims 2-5, characterized in that: A fixing plate (25) is fixedly provided on one side of the top of any of the hot air chambers (24). A sliding groove (251) is provided in the fixing plate (25) facing the opening (242). An adjusting plate (252) is slidably provided in the sliding groove (251). The adjusting plate (252) can slide to cover the opening (242).

7. The soft porcelain uniform drying device as described in claim 6, characterized in that: A cylinder (26) is fixedly installed on the top of the fixed plate (25), and the output end of the cylinder (26) is fixedly connected to the adjusting plate (252).

8. The soft porcelain uniform drying device as described in claim 2, characterized in that: The support frame (3) has support plates (33) that extend upwards and are fixedly installed on both sides. The top of the support plate (33) is fixedly installed with a cover plate (34). The support plate (33) and the cover plate (34) are connected to each other to form a drying channel (27).

9. The soft porcelain uniform drying device as described in claim 8, characterized in that: A moisture-absorbing air duct (4) is fixedly installed on the top of the cover plate (34). The moisture-absorbing air duct (4) is connected to the drying channel (27). A moisture-absorbing fan (42) is fixedly installed on one side of the moisture-absorbing air duct (4). The input end of the moisture-absorbing fan (42) is connected to the moisture-absorbing air duct (4).

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