Drying device for thick sponge

Abstract

The utility model belongs to the technical field of sponge drying, and particularly relates to a drying device for thick sponges, which comprises a rack, a conveying belt, an upper extrusion drying mechanism and a lower supporting mechanism, the conveying belt is mounted on the rack, the conveying belt is used for bearing and conveying the sponges, the conveying belt is of an annular structure, a cavity is formed in the annular structure, and the upper extrusion drying mechanism and the lower supporting mechanism are arranged in the cavity. A plurality of first water leakage holes are formed in the conveying belt; the upper extruding and drying mechanism is erected on the rack and comprises a pressing plate located above the conveying belt, a heat conduction cavity is formed in the pressing plate, a plurality of air outlet holes are formed in the bottom of the pressing plate, and a drying fan communicating with the heat conduction cavity is arranged at the top of the pressing plate; the lower supporting mechanism is installed on the rack and located in the cavity, the lower supporting mechanism comprises a supporting plate, a plurality of second water leakage holes are formed in the supporting plate, and the supporting plate and the pressing plate can get close to each other to extrude the sponge on the conveying belt. The drying device has the effect of meeting the drying requirements of the inner part and the outer part of the thick sponge.

Description

Technical Field

[0001] This utility model relates to the field of sponge drying technology, and in particular to a drying device for thick sponges. Background Technology

[0002] Sponges, as porous materials made from wood cellulose fibers or foamed plastic polymers, possess numerous pores in their molecular structure, giving them excellent water absorption. This characteristic makes sponges widely used in cleaning, filtration, and sound insulation, but it also results in a high moisture content. For example, freshly made sponges can have a moisture content of over 50%, while industrial applications require the moisture content to be controlled within the range of 5%-10%. If not dried promptly, residual moisture can lead to microbial growth.

[0003] In existing technologies, infrared radiation drying is a commonly used drying method. However, due to the limitation of infrared penetration depth, the effective penetration depth of infrared rays is only 3-5mm. This is especially true for thicker sponges, and it cannot solve the problem of drying the inside of the sponge. Utility Model Content

[0004] The technical problem to be solved by this utility model is: in order to solve the technical problem that the existing technology cannot solve the internal drying of thick sponges, this utility model provides a drying device for thick sponges that can meet the internal and external drying needs of thick sponges.

[0005] The technical solution adopted by this utility model to solve its technical problem is: a drying device for thick sponges, comprising: a frame;

[0006] A conveyor belt is mounted on the frame and is used to carry and transport the sponge. The conveyor belt has a ring structure with a cavity inside the ring structure, and multiple first drainage holes are provided on the conveyor belt.

[0007] The upper extrusion drying mechanism is mounted on the frame and includes: a pressure plate located above the conveyor belt, a heat conduction cavity provided inside the pressure plate, multiple air outlets opened at the bottom of the pressure plate, and a drying fan communicating with the heat conduction cavity at the top of the pressure plate.

[0008] The lower support mechanism is mounted on the frame and located in the cavity. The lower support mechanism includes a support plate with multiple second drainage holes. The support plate and the pressure plate can approach each other to squeeze the sponge on the conveyor belt. The specific technical effects are as follows: The continuous conveying of the sponge is achieved through the conveyor belt, ensuring the continuity of the production process and improving production efficiency. The conveyor belt is designed as a loop-shaped rotating structure, forming a cavity to accommodate the lower support mechanism. The upper extrusion drying mechanism and the lower support mechanism allow the support plate and pressure plate to approach each other, compressing the sponge on the conveyor belt. Under the squeezing action of the support plate and pressure plate, the water inside the sponge is squeezed out. Furthermore, because the lower support mechanism is located inside the conveyor belt, the support plate can withstand the pressure from the pressure plate, avoiding the risk of breakage caused by relying solely on the conveyor belt to bear the pressure, thus meeting the water removal requirements of thick sponges. The first drainage hole is opened on the entire belt body, and the second drainage hole is opened on the support plate, allowing the water squeezed out of the sponge to drain through the drainage holes, reducing water residue on the conveyor belt. The pressure plate is designed with a heat-conducting cavity and an air outlet, allowing the air blown by the drying fan to exit through the air outlet and penetrate into the sponge for thorough drying. Integrating the drying fan and pressure plate together reduces the overall size of the device while improving drying efficiency.

[0009] Furthermore, the drying device also includes a drive assembly mounted on the frame, the drive assembly being used to control the rotation of the conveyor belt.

[0010] Furthermore, the conveyor belt includes: a belt body, a first rotating shaft, and a second rotating shaft. The belt body has a ring-shaped structure and multiple first drainage holes are provided on the belt body. The two ends of the belt body are respectively sleeved on the first rotating shaft and the second rotating shaft. Both the first rotating shaft and the second rotating shaft are rotatably mounted on the frame. The drive assembly is used to drive the first rotating shaft to rotate. The specific technical effects are: the ring-shaped design of the belt body ensures the continuity and stability of the conveyor belt, enabling it to carry sponges and achieve continuous conveying, meeting the needs of continuous production; the multiple first drainage holes on the belt body allow water squeezed from the sponge during the extrusion process to flow sequentially through the first drainage holes at the upper end of the belt body, the second drainage holes on the support plate, and the first drainage holes at the lower end of the belt body, preventing water accumulation on the conveyor belt; the drive assembly drives the first rotating shaft to rotate, thereby moving the belt body and conveying the sponge. This driving method is simple, reliable, and easy to automate.

[0011] Furthermore, the lower support mechanism also includes: a first mounting base and a hydraulic drive assembly. The first mounting base is connected to the frame, and the hydraulic drive assembly is mounted on the first mounting base. The moving end of the hydraulic drive assembly is connected to the support plate to drive the support plate to rise and fall. The specific technical effects are: the retraction function of the support plate allows the lower support mechanism to adapt to different working conditions, providing support during extrusion and creating space during conveying, thus improving the flexibility and adaptability of the equipment; the close contact between the support plate and the conveyor belt ensures that the pressure during extrusion is evenly distributed on the sponge, helping to fully squeeze out the moisture inside the sponge and improve the drying effect; the support plate, driven by the hydraulic drive assembly, can withstand the large pressure generated by the downward pressure of the pressure plate.

[0012] Furthermore, the upper extrusion drying mechanism also includes a lifting assembly, the moving end of which is connected to the pressure plate to drive the pressure plate to rise and fall. Specifically, when the lifting assembly drives the pressure plate downwards, it works in conjunction with the support plate of the lower support mechanism to create bidirectional extrusion on the sponge on the conveyor belt, squeezing out the water from the sponge. By controlling the stroke or speed of the lifting assembly, the compression force of the pressure plate on the sponge can be precisely adjusted. For example, for sponges of different thicknesses or materials, the compression intensity can be dynamically adjusted to avoid excessive compression that could damage the material.

[0013] Furthermore, the upper extrusion drying mechanism also includes an outer heat insulation cover, which is mounted on the frame and covers the outside of the lifting assembly and the pressure plate. The lifting assembly is installed on the outer heat insulation cover. The specific technical effect is that it can both fix the lifting assembly and provide heat insulation. The relatively closed thermal environment inside the outer heat insulation cover allows heat to be applied more evenly to the sponge, avoiding uneven drying caused by localized overheating or undercooling.

[0014] Furthermore, the upper extrusion drying mechanism also includes a ventilation pipe, one end of which is connected to the heat conduction cavity, and the other end of which is connected to the drying fan.

[0015] Furthermore, the frame includes a worktable and support columns, with the support columns connected to both ends of the worktable. A mounting hole is provided on the worktable, and the conveyor belt and the lower support mechanism are both disposed in the mounting hole.

[0016] Furthermore, the drying device also includes a water collection tank, which is located below the conveyor belt, and the top of the water collection tank has a water inlet communicating with the first drainage hole on the conveyor belt. The specific technical effect is that the water collection tank collects the water squeezed out of the sponge.

[0017] Furthermore, a water outlet is provided at the bottom of the water collection tank, and a filter screen is installed at the water outlet. The specific technical effect is that the filter screen can intercept debris, fibers, and other impurities mixed in the water by the sponge, allowing the discharged water to be recycled.

[0018] Compared with the prior art, the beneficial effects of this utility model are:

[0019] (1) This utility model achieves continuous conveying of sponges by setting up a conveyor belt, ensuring the continuity of the production process and improving production efficiency;

[0020] (2) By designing the conveyor belt as a ring-shaped rotating structure, this utility model can form a cavity to accommodate the lower support mechanism.

[0021] (3) By setting up an upper extrusion drying mechanism and a lower support mechanism, the support plate and the pressure plate can approach each other to compress the sponge on the conveyor belt. Under the extrusion action of the support plate and the pressure plate, the water in the sponge is squeezed out. Furthermore, since the lower support mechanism is set inside the conveyor belt, the support plate can withstand the pressure of the pressure plate, thus avoiding the risk of breakage caused by relying solely on the conveyor belt to withstand the pressure, and meeting the water removal requirements of thick sponges.

[0022] (4) By opening a first drainage hole on the entire belt and a second drainage hole on the support plate, the water squeezed out of the sponge can be discharged through the drainage hole, reducing the water residue on the conveyor belt.

[0023] (5) By designing the pressure plate with a heat-conducting cavity and an air outlet, the air blown by the drying fan can be discharged from the air outlet and penetrate into the interior of the sponge to fully dry the sponge. Furthermore, by integrating the drying fan with the pressure plate, the volume of the entire device is reduced, while the drying efficiency is improved. Attached Figure Description

[0024] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0025] Figure 1 This is a schematic diagram of the structure of a drying device for thick sponges according to the present invention;

[0026] Figure 2 for Figure 1 Front view of part of the structure;

[0027] Figure 3 for Figure 2 Sectional view at point A-A;

[0028] Figure 4 This is a schematic diagram of the conveyor belt structure;

[0029] Figure 5 This is a schematic diagram of the upper extrusion drying mechanism;

[0030] Figure 6 This is a schematic diagram of the lower support mechanism.

[0031] In the diagram: 1. Sponge; 2. Frame; 201. Workbench; 202. Support column; 203. Mounting hole; 3. Conveyor belt; 301. Cavity; 302. First drain hole; 303. Belt body; 304. First rotating shaft; 305. Second rotating shaft; 4. Upper extrusion drying mechanism; 401. Pressure plate; 402. Heat conduction chamber; 403. Air outlet; 404. Drying fan; 405. Lifting assembly; 406. External insulation cover; 407. Ventilation pipe; 5. Lower support mechanism; 501. Support plate; 502. Second drain hole; 503. First mounting base; 504. Hydraulic drive assembly; 6. Drive assembly; 7. Water collection tank; 701. Water outlet; 702. Water inlet. Detailed Implementation

[0032] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the present invention, and therefore only show the components relevant to the present invention.

[0033] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential," etc., indicating the orientation or positional relationship shown in the accompanying drawings, 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, and therefore should not be construed as a limitation of this utility model. Furthermore, features defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0034] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0035] like Figures 1 to 6 The diagram shows a preferred embodiment of the present invention. This embodiment provides a drying device for thick sponges, comprising: a frame 2, a conveyor belt 3, an upper extrusion drying mechanism 4, and a lower support mechanism 5. The conveyor belt 3 is mounted on the frame 2 and is used to carry and transport the sponge 1. The conveyor belt 3 has a ring-shaped structure, with a cavity 301 formed within the ring structure. Multiple first drainage holes 302 are provided on the conveyor belt 3. The upper extrusion drying mechanism 4 is mounted on the frame 2 and includes: a structure located at... The pressure plate 401 above the conveyor belt 3 has a heat conduction cavity 402 inside. The bottom of the pressure plate 401 has multiple air outlets 403. The top of the pressure plate 401 is equipped with a drying fan 404 that communicates with the heat conduction cavity 402. The lower support mechanism 5 is installed on the frame 2 and located in the cavity 301. The lower support mechanism 5 includes a support plate 501 with multiple second drainage holes 502. The support plate 501 and the pressure plate 401 can approach each other to squeeze the sponge 1 on the conveyor belt 3. Therefore: by setting up the conveyor belt 3, continuous conveying of the sponge 1 is achieved, ensuring the continuity of the production process and improving production efficiency; by designing the conveyor belt 3 as a ring-shaped rotary structure, a cavity 301 can be formed to accommodate the lower support mechanism 5; by setting up the upper extrusion drying mechanism 4 and the lower support mechanism 5, the support plate 501 and the pressure plate 401 can approach each other to compress the sponge 1 on the conveyor belt 3. Under the extrusion action of the support plate 501 and the pressure plate 401, the water inside the sponge 1 is squeezed out. Furthermore, because the lower support mechanism 5 is set inside the conveyor belt 3, the support plate 501 can withstand the pressure of the pressure plate 401, avoiding the need for the conveyor belt 3 to bear the pressure alone. The pressure reduces the risk of breakage and meets the water removal requirements of thick sponges. By opening a first drainage hole 302 on the entire belt and a second drainage hole 502 on the support plate 501, the water squeezed out from the sponge 1 can be discharged through the drainage holes, reducing the water residue on the conveyor belt 3. By designing the pressure plate 401 with a heat conduction cavity 402 and an air outlet 403, the air blown by the drying fan 404 can be discharged from the air outlet 403 and penetrate into the interior of the sponge 1 to fully dry the sponge 1. Furthermore, by integrating the drying fan 404 with the pressure plate 401, the volume of the entire device is reduced, while the drying efficiency is improved.

[0036] In this embodiment, the drying device further includes a drive assembly 6, which is mounted on the frame 2 and is used to control the rotation of the conveyor belt 3. Specifically, the drive assembly 6 can be a motor, with the first rotating shaft 304 directly connected to the motor. Alternatively, depending on the actual installation position, the motor shaft and the first rotating shaft 304 can be connected via a transmission belt.

[0037] In this embodiment, the conveyor belt 3 includes: a belt body 303, a first rotating shaft 304 and a second rotating shaft 305. The belt body 303 has a ring-shaped structure and a plurality of first drainage holes 302 are provided on the belt body 303. The two ends of the belt body 303 are respectively sleeved on the first rotating shaft 304 and the second rotating shaft 305. The first rotating shaft 304 and the second rotating shaft 305 are rotatably mounted on the frame 2. The drive assembly 6 is used to drive the first rotating shaft 304 to rotate. Therefore: the belt body 303 is designed as a ring structure, which ensures the continuity and stability of the conveyor belt 3, can carry the sponge 1 and realize continuous conveying, and meets the needs of continuous production; multiple first drainage holes 302 are opened on the belt body 303, so that the water squeezed out from the sponge 1 during the extrusion process can flow through the first drainage hole 302 at the upper end of the belt body 303, the second drainage hole 502 at the support plate 501, and the first drainage hole 302 at the lower end of the belt body 303 in sequence, so as to avoid water accumulation on the conveyor belt 3; the drive component 6 is used to drive the first rotating shaft 304 to rotate, and the rotation of the first rotating shaft 304 drives the belt body 303 to move, thereby realizing the conveying of the sponge 1. This driving method is simple, reliable and easy to automate.

[0038] In this embodiment, the lower support mechanism 5 further includes a first mounting base 503 and a hydraulic drive assembly 504. The first mounting base 503 is connected to the frame 2, and the hydraulic drive assembly 504 is mounted on the first mounting base 503. The moving end of the hydraulic drive assembly 504 is connected to the support plate 501 to drive the support plate 501 to rise and fall. Thus, during the compression of the thick sponge, the hydraulic drive assembly 504 drives the support plate 501 to rise and abut against the conveyor belt 3, providing stable support for the conveyor belt 3. This support effectively prevents the conveyor belt 3 from deforming or being damaged under high pressure, thereby ensuring the smooth progress of the compression process. After compression, the hydraulic drive assembly 504 drives the support plate 501 to descend and retract, maintaining a certain gap between the support plate 501 and the conveyor belt 3. This ensures that the conveyor belt 3 will not be obstructed by the support plate 501 when continuing to transport the sponge 1, guaranteeing the smoothness of the transport process. Specifically, the hydraulic drive assembly 504 is a hydraulic cylinder or a hydraulic motor.

[0039] In this embodiment, the upper extrusion drying mechanism 4 further includes a lifting assembly 405. The moving end of the lifting assembly 405 is connected to the pressure plate 401 to drive the pressure plate 401 to rise and fall. Thus, when the lifting assembly 405 drives the pressure plate 401 to descend, it works in conjunction with the support plate 501 of the lower support mechanism 5 to form a bidirectional extrusion on the sponge 1 on the conveyor belt 3, squeezing out the water from the sponge 1. By controlling the stroke or speed of the lifting assembly 405, the compression force of the pressure plate 401 on the sponge 1 can be precisely adjusted. For example, for sponges 1 of different thicknesses or materials, the compression intensity can be dynamically adjusted to avoid excessive compression leading to material damage. Specifically, the lifting assembly 405 adopts a hydraulic drive device (e.g., a hydraulic cylinder or hydraulic motor) or an electric drive device (e.g., a motor and lead screw, or a motor and rack and pinion).

[0040] In this embodiment, the upper extrusion drying mechanism 4 further includes an outer heat insulation cover 406. The outer heat insulation cover 406 is mounted on the frame 2 and covers the outside of the lifting assembly 405 and the pressure plate 401. The lifting assembly 405 is installed on the outer heat insulation cover 406. Thus, it can both fix the lifting assembly 405 and provide heat insulation. The outer heat insulation cover 406 forms a relatively closed thermal environment, allowing heat to be applied more evenly to the sponge 1 and avoiding uneven drying caused by local overheating or undercooling.

[0041] In one embodiment not shown in the figure, a light-heating device is provided on the inner wall of the outer heat insulation cover 406 to further dry the sponge 1 and improve the drying efficiency.

[0042] In this embodiment, the upper extrusion drying mechanism 4 further includes a ventilation pipe 407, one end of which is connected to the heat conduction chamber 402, and the other end of which is connected to the drying fan 404.

[0043] In this embodiment, the frame 2 includes a worktable 201 and support columns 202. The two ends of the worktable 201 are respectively connected to the support columns 202. A mounting hole 203 is opened on the worktable 201. The conveyor belt 3 and the lower support mechanism 5 are both disposed in the mounting hole 203.

[0044] In this embodiment, the drying device further includes a water collection tank 7, which is located below the conveyor belt 3. The top of the water collection tank 7 has a water inlet 702 that communicates with the first drain hole 302 on the conveyor belt 3. Thus, the water squeezed out of the sponge 1 is collected by setting up the water collection tank 7.

[0045] In this embodiment, a water outlet 701 is provided at the bottom of the water collection tank 7.

[0046] In one embodiment (not shown), a filter screen is installed at the water outlet 701. Thus, the filter screen can intercept debris, fibers, and other impurities mixed in the water by the sponge 1, allowing the discharged water to be recycled.

[0047] Working principle: Before compressing the sponge 1, the hydraulic drive assembly 504 drives the support plate 501 to rise and abut against the conveyor belt 3, providing stable support for the conveyor belt 3. The lifting assembly 405 drives the pressure plate 401 to descend and compress the sponge 1 placed on the conveyor belt 3. Under the squeezing action of the pressure plate 401, the water inside the sponge 1 is squeezed out. The water flows sequentially through the first drain hole 302 at the upper end of the belt body 303, the second drain hole 502 at the support plate 501, and the first drain hole 302 at the lower end of the belt body 303 before entering the water collection tank 7. The water flows into the water collection tank 7 through the inlet 702; after the sponge 1 is squeezed to remove water, the lifting component 405 drives the pressure plate 401 to rise and reset until the bottom of the pressure plate 401 is just in contact with the top of the sponge 1 after the sponge 1 is reset. The drying fan 404 blows hot air into the heat conduction cavity 402 of the pressure plate 401 through the ventilation pipe 407. The hot air is discharged from the air outlet 403 and penetrates into the interior of the sponge 1 to fully dry the sponge 1. After drying is completed, the hydraulic drive component 504 drives the support plate 501 to descend and leave the conveyor belt 3. The drive component 6 controls the conveyor belt 3 to continue to transport the sponge 1.

[0048] Compared with the prior art, the beneficial effects of this utility model are:

[0049] (1) This utility model achieves continuous conveying of sponge 1 by setting conveyor belt 3, ensuring the continuity of the production process and improving production efficiency;

[0050] (2) By designing the conveyor belt 3 as a ring-shaped rotating structure, this utility model can form a cavity 301 to accommodate the lower support mechanism 5.

[0051] (3) By setting up an upper extrusion drying mechanism 4 and a lower support mechanism 5, the support plate 501 and the pressure plate 401 can approach each other to compress the sponge 1 on the conveyor belt 3. Under the extrusion action of the support plate 501 and the pressure plate 401, the water in the sponge 1 is squeezed out. Furthermore, since the lower support mechanism 5 is set inside the conveyor belt 3, the support plate 501 can withstand the pressure of the pressure plate 401, thus avoiding the risk of breakage caused by relying solely on the conveyor belt 3 to bear the pressure, and meeting the water removal requirements of thick sponges.

[0052] (4) By opening a first drainage hole 302 on the entire belt and a second drainage hole 502 on the support plate 501, the water squeezed out from the sponge 1 can be discharged through the drainage hole, reducing the water residue on the conveyor belt 3.

[0053] (5) By designing the pressure plate 401 with a heat conduction cavity 402 and an air outlet 403, the air blown by the drying fan 404 can be discharged from the air outlet 403 and penetrate into the interior of the sponge 1 to fully dry the sponge 1. Furthermore, by integrating the drying fan 404 with the pressure plate 401, the volume of the entire device is reduced, while the drying efficiency is improved.

[0054] The above description is based on the preferred embodiments of this utility model. Through the above description, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined by the scope of the claims.

Claims

1. A drying apparatus for thick sponge, characterized by, include: rack (2); A conveyor belt (3) is installed on the frame (2). The conveyor belt (3) is used to carry the sponge (1) and transport it. The conveyor belt (3) has a ring structure and a cavity (301) is formed inside the ring structure. A plurality of first drainage holes (302) are opened on the conveyor belt (3). The upper extrusion drying mechanism (4) is mounted on the frame (2). The upper extrusion drying mechanism (4) includes: a pressure plate (401) located above the conveyor belt (3), a heat conduction cavity (402) is provided in the pressure plate (401), a plurality of air outlets (403) are opened at the bottom of the pressure plate (401), and a drying fan (404) communicating with the heat conduction cavity (402) is provided at the top of the pressure plate (401). The lower support mechanism (5) is installed on the frame (2) and located in the cavity (301). The lower support mechanism (5) includes a support plate (501) with a plurality of second drainage holes (502) on the support plate (501). The support plate (501) and the pressure plate (401) can approach each other to squeeze the sponge (1) on the conveyor belt (3).

2. A drying apparatus for thick sponge as claimed in claim 1 wherein, The drying device also includes a drive assembly (6), which is mounted on the frame (2) and is used to control the rotation of the conveyor belt (3).

3. A drying apparatus for thick sponge as claimed in claim 2 wherein, The conveyor belt (3) includes: a belt body (303), a first rotating shaft (304) and a second rotating shaft (305). The belt body (303) has a ring structure and a plurality of first drainage holes (302) are provided on the belt body (303). The two ends of the belt body (303) are respectively sleeved on the first rotating shaft (304) and the second rotating shaft (305). The first rotating shaft (304) and the second rotating shaft (305) are rotatably mounted on the frame (2). The drive assembly (6) is used to drive the first rotating shaft (304) to rotate.

4. A drying apparatus for thick sponge as claimed in claim 1 wherein, The lower support mechanism (5) further includes: a first mounting base (503) and a hydraulic drive assembly (6)(504). The first mounting base (503) is connected to the frame (2). The hydraulic drive assembly (6)(504) is mounted on the first mounting base (503). The moving end of the hydraulic drive assembly (6)(504) is connected to the support plate (501) to drive the support plate (501) to rise and fall.

5. A drying apparatus for thick sponge as claimed in claim 1 wherein, The upper extrusion drying mechanism (4) further includes a lifting component (405), the moving end of which is connected to the pressure plate (401) to drive the pressure plate (401) to rise and fall.

6. A drying apparatus for thick sponge as claimed in claim 5 wherein, The upper extrusion drying mechanism (4) further includes an outer heat insulation cover (406), which is mounted on the frame (2) and covers the outside of the lifting assembly (405) and the pressure plate (401). The lifting assembly (405) is installed on the outer heat insulation cover (406).

7. A drying apparatus for thick sponges as described in claim 1, characterized in that, The upper extrusion drying mechanism (4) further includes: a ventilation pipe (407), one end of which is connected to the heat conduction cavity (402), and the other end of which is connected to the drying fan (404).

8. A drying apparatus for thick sponge as claimed in claim 1 wherein, The frame (2) includes a worktable (201) and a support column (202). The two ends of the worktable (201) are respectively connected to the support column (202). An installation hole is opened on the worktable (201). The conveyor belt (3) and the lower support mechanism (5) are both arranged in the installation hole.

9. A drying apparatus for thick sponge as claimed in claim 1 wherein, The drying device also includes a water collection tank (7), which is located below the conveyor belt (3). The top of the water collection tank (7) is provided with a water inlet (702) that communicates with the first drain hole (302) on the conveyor belt (3).

10. A drying apparatus for thick sponge as claimed in claim 9 wherein, The bottom of the water collection tank (7) has a water outlet (701), and a filter screen is installed at the water outlet (701).

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