Energy-saving circulating cooling device for preparing TPV (thermoplastic vulcanizate) sealing strip

Abstract

The invention discloses an energy-saving circulating cooling device for TPV sealing strip preparation, and belongs to the technical field of TPV sealing strip preparation. The energy-saving circulating cooling device comprises a cooling pond containing cooling water, guide ring seats are fixedly installed above the left end and the right end of the cooling pond, and meanwhile a conveying motor is fixedly installed on the outer side of the cooling pond; the output end of the conveying motor is fixedly connected with the shaft part of the conveying traction roller on the right side, a tension adjusting assembly is further arranged on the inner side of the cooling pond, a swinging assembly used for swinging the sealing strip is further arranged in the cooling pond, and a collecting tank is further fixedly installed at the left end of the cooling pond; and a drying assembly for preheating and drying the sealing strip is arranged above the collecting tank. According to the energy-saving circulating cooling device for preparing the TPV sealing strip, the sealing strip subjected to primary cooling can be further cooled in a swinging mode, the cooling efficiency is improved, and meanwhile, the cooled sealing strip can be dried through recycled heat.

Description

Technical Field

[0001] The present invention relates to the technical field of TPV sealing strip preparation, and specifically to an energy-saving circulating cooling device for TPV sealing strip preparation. Background Art

[0002] TPV sealing strips are sealing products made of thermoplastic vulcanized rubber materials and are widely used in fields such as automobiles, buildings, household appliances, and machinery. They are mainly used to isolate air, water, dust, and noise, playing roles such as sealing, shock absorption, and buffering. During the preparation of TPV sealing strips, a circulating cooling device is required to cool and shape the extruded sealing strips.

[0003] The prior art (Chinese patent with publication number: CN216068293U, publication date: March 18, 2022) discloses a cooling device for automobile sealing strips, including a cooling box. A conveyor belt is connected through the interior of the cooling box. A first support pillar is fixedly connected to the bottom of the conveyor belt. A cooling chamber base is fixedly connected to the bottom inside the cooling box. A cooling chamber is fixedly connected to the top of the cooling chamber base. A water tank is fixedly connected to the top of the cooling box. A water pump is fixedly connected to one side of the water tank. A water inlet pipe is fixedly connected to one side of the water pump. By setting the water tank, water pump, and cooling water pipe, the cooling chamber can maintain a relatively low temperature through the flow of cooling water, facilitating the cooling of automobile sealing strips. By setting the fan, refrigeration device, and air outlet, the cooling air can be blown towards the automobile sealing strips to directly cool the automobile sealing strips. The cooling effect is good and it will not damage the sealing strips, ensuring the quality of the sealing strips. The prior art (Chinese patent with publication number: CN217226602U, publication date: August 19, 2022) discloses an anti-deformation cooling and shaping device for automobile sealing strip production, including a water receiving tank, a cooling water tank, and an opening part. The cooling water tank is slidably connected to the water tank. The bottom surface of the cooling water tank is higher than the bottom surface of the cavity of the water tank. The opening part includes a strip inlet and a strip outlet. A slope is provided at the bottom of the cooling water tank. One end of the slope near the strip inlet is lower than one end of the slope near the strip outlet. A water outlet hole is provided on one side of the bottom of the cooling water tank near the strip inlet. It also includes a water nozzle fixed on the cooling water tank. The water nozzle is arranged above one end of the slope near the strip outlet. Inside the cooling water tank, an external circulating water tank sends water into the cooling water tank from the water nozzle. Due to the slope and water outlet hole at the bottom of the cooling water tank, the cooling water undergoes countercurrent convection relative to the moving direction of the sealing strip, improving the cooling effect. Moreover, the water flow direction is parallel to the extension direction of the sealing strip, thereby reducing the deformation of the sealing strip caused by the lateral water flow. The existing cooling device for preparing sealing strips is inconvenient to effectively clean and recycle the cooling water carried on the outer side of the sealing strip after cooling is completed, making it impossible to fully recycle the cooling liquid, and the heat in the cooling liquid cannot be recycled and reused, resulting in limited environmental protection and certain usage defects. Summary of the Invention

[0004] The purpose of the present invention is to provide an energy-saving circulating cooling device for preparing TPV sealing strips, so as to solve the problems in the above-mentioned background technology that the existing cooling device for preparing sealing strips in the market is inconvenient to effectively clean and recycle the cooling water carried on the outer side of the sealing strip after cooling is completed, making it impossible to fully recycle the cooling liquid, and the heat in the cooling liquid cannot be recycled and reused.

[0005] To achieve the above purpose, the present invention provides the following technical solution: An energy-saving circulating cooling device for preparing TPV sealing strips, including a cooling pool filled with cooling water, guide ring seats are fixedly installed above the left and right ends of the cooling pool, and guide rollers are rotatably installed at the left and right ends of the cooling pool; Two groups of conveying components are symmetrically and rotatably installed inside the cooling pool and are connected by a transmission belt. Each group of conveying components is provided with two conveying traction rollers for conveying the sealing strips, and the shaft parts of the two conveying traction rollers in each group of conveying components are connected by a transmission gear part. At the same time, a conveying motor is fixedly installed outside the cooling pool, and the output end of the conveying motor is fixedly connected to the shaft part of the right conveying traction roller. A tension adjusting component is also provided inside the cooling pool. A swinging component for swinging the sealing strip is also provided in the cooling pool. A collecting groove is fixedly installed at the left end of the cooling pool, and a drying component for preheating and drying the sealing strip is provided above the collecting groove.

[0006] Preferably, the swinging component includes a movable frame that is vertically installed inside the cooling pool. Two lifting rollers that fit the sealing strip are rotatably installed on the movable frame. A driving motor is fixedly installed on the cooling pool, and a turntable is fixedly installed at the output end of the driving motor. A connecting rod is rotatably installed between the turntable and the movable frame. During the rotation of the turntable, the movable frame is driven to reciprocally lift and adjust through the connecting rod.

[0007] Preferably, the tension adjusting component includes a lifting rod that is vertically installed on the cooling pool. A lifting block is fixedly installed at the lower end of the lifting rod. A second spring is fixedly connected between the cooling pool and the lifting block. An adjusting roller is rotatably installed on the outer side of the lifting block, and the adjusting roller is attached to and supports the outer side of the sealing strip.

[0008] Preferably, the drying assembly includes a rotating cylinder rotatably mounted on the outside of the guiding ring seat on the left side, a gear is fixedly mounted on the outside of the rotating cylinder, a rack is slidably mounted on the outside of the collecting groove, the rack and the gear are meshed and connected, and a traction rope is fixedly connected between the rack and the movable frame. Preferably, a cleaning sponge is fixedly mounted inside the rotating cylinder, the cleaning sponge is arranged in an annular structure, the inner wall of the inner ring of the cleaning sponge is attached to the sealing strip, and the cleaning and water absorption of the sealing strip are realized during the rotation of the rotating cylinder driven by the cleaning sponge.

[0009] Preferably, the drying assembly further includes a cylindrical heat exchange cylinder fixedly mounted on the collecting groove, a sliding ring is hermetically sleeved on the outside of the heat exchange cylinder, a first spring is fixedly connected between the heat exchange cylinder and the sliding ring, an elastic rubber cylinder is fixedly connected between the rotating cylinder and the sliding ring, and the elastic rubber cylinder is twisted during the rotation of the rotating cylinder. When the elastic rubber cylinder is twisted, the sliding ring is pulled to slide along the outside of the heat exchange cylinder, and the left end of the rotating cylinder is hermetically attached to the right end of the heat exchange cylinder.

[0010] Preferably, a liquid guide pipe is connected to the right end of the cooling pool, a liquid suction pipe is fixedly connected between the sliding ring and the liquid guide pipe, a drain pipe is also fixedly mounted on the sliding ring, and the lower end of the drain pipe faces the collecting groove. During the restoration of the elastic rubber cylinder, cooling water in the drain pipe is extracted through the liquid suction pipe, and during the twisting of the elastic rubber cylinder, cooling water is discharged through the drain pipe.

[0011] Preferably, the heat exchange cylinder is sleeved on the outside of the sealing strip, fins are uniformly arranged inside the heat exchange cylinder, and the fins dry the residual moisture on the outside of the sealing strip by conducting the heat of the cooling liquid.

[0012] Preferably, a cleaning frame with an annular structure is fixedly mounted on the right side of the sliding ring, the cleaning frame is attached to the outside of the heat exchange cylinder, and when the sliding ring drives the cleaning frame to move, the outer wall of the heat exchange cylinder is cleaned. The left end of the rotating cylinder is telescopically connected with a push rod, the right end of the push rod is fixedly connected with a pressing plate, and the pressing plate is attached to the cleaning sponge. During the movement of the cleaning frame, the pressing plate is pushed to slide inside the rotating cylinder through the push rod to squeeze the cleaning sponge.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: The energy-saving circulating cooling device for preparing the TPV sealing strip can perform swing-type further cooling on the preliminarily cooled sealing strip, improving the cooling efficiency, and at the same time, the recovered heat can be used to dry the cooled sealing strip. The specific content is as follows; 1. An active frame and lifting rollers are provided. By starting the driving motor, it drives the turntable to rotate. The turntable drives the active frame to reciprocate up and down inside the cooling pool through a connecting rod. At this time, the lifting rollers on the active frame can drive the preliminarily cooled sealing strip to swing in the cooling pool, improving the convection effect and further accelerating the cooling of the sealing strip. 2. A rotating cylinder and a cleaning sponge are provided. As the active frame moves up and down, it can pull the rack to move through a towing rope, and the rack drives the rotating cylinder to rotate through meshing, so that the cleaning sponge inside the rotating cylinder can wipe the cooled sealing strip to achieve preliminary dehumidification. 3. A rotating cylinder, a heat exchange cylinder, a sliding ring and an elastic rubber cylinder are provided. As the rotating cylinder rotates, it can twist the elastic rubber cylinder. When the elastic rubber cylinder is twisted, it pulls the sliding ring to slide on the outside of the heat exchange cylinder. At this time, the elastic rubber cylinder can squeeze out the coolant inside it. When the rotating cylinder rotates back to its original position, the sliding ring will reset under the elastic force of the first spring, pulling the elastic rubber cylinder to become flat, so that the elastic rubber cylinder can suck in the uncooled cooling water again. At this time, the heat exchange cylinder can conduct the heat of the uncooled cooling water to the inside to heat and dry the wiped sealing strip.

[0014] Furthermore, as the sliding ring slides, it can drive the cleaning frame connected to its outside to scrape the outer wall of the heat exchange cylinder clean, preventing scale from forming on the outside of the heat exchange cylinder and affecting heat exchange. At the same time, when the cleaning frame moves, it will contact and push the push rod, so that the push rod drives the pressing plate to slide inside the rotating cylinder, squeezing the cleaning sponge to keep it dry. The squeezed cooling water will flow into the collection tank through the drain hole for recycling. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is the front view structural schematic diagram of the present invention; Figure 2 is the rear view structural schematic diagram of the present invention; Figure 3 is the installation structural schematic diagram of the conveying traction roller and the lifting roller of the present invention; Figure 4 is the installation structural schematic diagram of the rotating cylinder of the present invention; Figure 5 is the installation structural schematic diagram of the rotating cylinder and the elastic rubber cylinder of the present invention; Figure 6 is the sectional structural schematic diagram of the rotating cylinder and the elastic rubber cylinder of the present invention; Figure 7 is of the present invention Figure 6 the enlarged structural schematic diagram at A in; Figure 8 is the installation structural schematic diagram of the cleaning sponge and the pressing plate of the present invention; Figure 9This is a schematic diagram of the connection structure between the sliding ring and the cleaning frame of the present invention.

[0016] In the figure: 1. Cooling pool; 2. Guide ring seat; 3. Guide roller; 4. Conveying and traction roller; 5. Transmission gear; 6. Conveying motor; 7. Movable frame; 8. Lifting roller; 9. Driving motor; 10. Turntable; 11. Connecting rod; 12. Collecting tank; 13. Rotating cylinder; 1301, Drain hole; 14. Gear; 15. Rack; 16. Traction rope; 17. Cleaning sponge; 18. Heat exchange cylinder; 1801, fin; 19. Sliding ring; 20. First spring; 21. Elastic rubber cylinder; 22. Liquid guide tube; 23. Drain pipe; 24. Suction tube; 25. Cleaning frame; 26. Press plate; 27. Push rod; 28. Lifting block; 29. Adjusting roller; 30. Lifting rod; 31. Second spring. DETAILED DESCRIPTION

[0017] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0018] Example 1: The existing energy-saving circulating cooling device for preparing TPV sealing strips has a single cooling method during use, which makes it impossible for the sealing strips to be cooled and shaped quickly. In order to solve this technical problem, this embodiment discloses the following technical content, please refer to Figures 1 - 3 As shown; An energy-saving circulating cooling device for preparing TPV sealing strips, comprising a cooling pool 1 filled with cooling water, guide ring seats 2 fixedly mounted above the left and right ends of the cooling pool 1, and guide rollers 3 rotatably mounted on the left and right ends of the cooling pool 1; Two groups of conveying components connected by transmission belts are symmetrically installed on the inner side of the cooling pool 1, and each group of conveying components is provided with two conveying traction rollers 4 for conveying sealing strips, and the shafts of the two conveying traction rollers 4 of each group of conveying components are connected by transmission gears 5. At the same time, a conveying motor 6 is fixedly installed on the outer side of the cooling pool 1, and the output end of the conveying motor 6 is fixedly connected to the shaft of the conveying traction roller 4 on the right side. A tension adjustment component is also provided on the inner side of the cooling pool 1, and a swinging component for swinging the sealing strip is also provided in the cooling pool 1.

[0019] The swing assembly includes a movable frame 7 that is vertically installed inside the cooling pool 1. Two lifting rollers 8 that fit the sealing strip are rotatably installed on the movable frame 7. A driving motor 9 is also fixedly installed on the cooling pool 1. The output end of the driving motor 9 is fixedly installed with a turntable 10. A connecting rod 11 is rotatably installed between the turntable 10 and the movable frame 7. During the rotation of the turntable 10, the movable frame 7 is driven by the connecting rod 11 to perform reciprocating lifting adjustment.

[0020] The tension adjustment assembly includes a lifting rod 30 that is vertically installed on the cooling pool 1. The lower end of the lifting rod 30 is fixedly installed with a lifting block 28. A second spring 31 is fixedly connected between the cooling pool 1 and the lifting block 28. An adjusting roller 29 is rotatably installed on the outside of the lifting block 28. The adjusting roller 29 fits and supports the outside of the sealing strip.

[0021] The formed sealing strip is sequentially passed through the fitting guide ring seat 2, the guide roller 3, the conveying and traction roller 4, the lifting roller 8 and the adjusting roller 29. The conveying motor 6 is started, so that the conveying motor 6 drives the conveying and traction roller 4 to rotate, so that the conveying and traction roller 4 can stably convey the sealing strip. At the same time, the driving motor 9 is started, so that the driving motor 9 drives the turntable 10 to rotate synchronously. At this time, the turntable 10 will drive the movable frame 7 to reciprocate up and down inside the cooling pool 1 through the connecting rod 11. At this time, the lifting roller 8 on the movable frame 7 can drive the preliminarily cooled sealing strip to swing in the cooling pool 1, improving the convection effect, thereby further accelerating the cooling of the sealing strip. At the same time, the lifting rod 30 will drive the lifting block 28 to perform elastic lifting adjustment, so that the adjusting roller 29 can adjust the conveying tension of the sealing strip, avoiding damage to the sealing strip due to excessive tension during the swinging process.

[0022] Embodiment 2: The technical content disclosed in this embodiment is a further improvement based on the above Embodiment 1. The existing energy-saving circulating cooling device for preparing TPV sealing strips is inconvenient to assist in drying the cooled sealing strips. In order to further solve this technical problem, the following technical content is disclosed in this embodiment, as Figures 4 - 9 shown; A collection tank 12 is also fixedly installed at the left end of the cooling pool 1. A drying assembly for preheating and drying the sealing strip is arranged above the collection tank 12. The drying assembly includes a rotating cylinder 13 rotatably installed outside the left guide ring seat 2. A gear 14 is fixedly installed on the outside of the rotating cylinder 13. A rack 15 is slidably installed outside the collection tank 12. The rack 15 and the gear 14 are meshed and connected. A traction rope 16 is fixedly connected between the rack 15 and the movable frame 7.

[0023] A cleaning sponge 17 is fixedly installed inside the rotating cylinder 13, and the cleaning sponge 17 is arranged in an annular structure. The inner wall of the inner circle of the cleaning sponge 17 is attached to the sealing strip. During the rotation of the rotating cylinder 13 driving the cleaning sponge 17, the cleaning, water absorption of the sealing strip are realized. The drying assembly further includes a cylindrical heat exchange cylinder 18 fixedly installed on the collecting tank 12. A sliding ring 19 is hermetically sleeved on the outer side of the heat exchange cylinder 18. A first spring 20 is fixedly connected between the heat exchange cylinder 18 and the sliding ring 19. An elastic rubber cylinder 21 is fixedly connected between the rotating cylinder 13 and the sliding ring 19. During the rotation of the rotating cylinder 13, the elastic rubber cylinder 21 is twisted. During the twisting of the elastic rubber cylinder 21, the sliding ring 19 is pulled to slide along the outer side of the heat exchange cylinder 18. The left end of the rotating cylinder 13 and the right end of the heat exchange cylinder 18 are hermetically attached. A liquid guide pipe 22 is connected to the right end of the cooling pool 1. A liquid suction pipe 24 is fixedly connected between the sliding ring 19 and the liquid guide pipe 22. A drain pipe 23 is also fixedly installed on the sliding ring 19. The lower end of the drain pipe 23 faces the collecting tank 12. During the restoration of the elastic rubber cylinder 21, cooling water in the drain pipe 23 is extracted through the liquid suction pipe 24. During the twisting of the elastic rubber cylinder 21, the cooling water is discharged through the drain pipe 23. The heat exchange cylinder 18 is sleeved on the outer side of the sealing strip. Fins 1801 are uniformly arranged on the inner side of the heat exchange cylinder 18. The fins 1801 dry the residual moisture on the outer side of the sealing strip by conducting the heat of the cooling liquid. A cleaning frame 25 with an annular structure is fixedly installed on the right side of the sliding ring 19. The cleaning frame 25 is attached to the outer side of the heat exchange cylinder 18. When the sliding ring 19 drives the cleaning frame 25 to move, the outer wall of the heat exchange cylinder 18 is cleaned. The left end of the rotating cylinder 13 is telescopically connected with a push rod 27. The right end of the push rod 27 is fixedly connected with a pressing plate 26. The pressing plate 26 is attached to the cleaning sponge 17. During the movement of the cleaning frame 25, the pressing plate 26 is pushed by the push rod 27 to slide inside the rotating cylinder 13 to squeeze the cleaning sponge 17. Drain holes 1301 are uniformly formed on the rotating cylinder 13.

[0024] As the movable frame 7 rises and falls, it can pull the rack 15 to move through the towing rope 16, so that the rack 15 drives the rotating cylinder 13 to rotate through the meshing action, and the cleaning sponge 17 inside the rotating cylinder 13 can wipe the cooled sealing strip to achieve preliminary dehumidification. As the rotating cylinder 13 rotates, it can twist the elastic rubber cylinder 21, so that the elastic rubber cylinder 21 pulls the sliding ring 19 to elastically slide on the outside of the heat exchange cylinder 18 during the twisting process. At this time, the elastic rubber cylinder 21 can squeeze out the cooling liquid inside it through the drain pipe 23. When the rotating cylinder 13 rotates back to its original position, the sliding ring 19 will reset under the elastic force of the first spring 20, thereby pulling the elastic rubber cylinder 21 to flatten and bulge, so that the elastic rubber cylinder 21 can re-absorb the uncooled cooling water in the liquid guide pipe 22 through the liquid suction pipe 24. At this time, the heat exchange cylinder 18 can conduct the heat of the uncooled cooling water to the inside to heat and dry the wiped sealing strip. As the sliding ring 19 slides, it can drive the cleaning frame 25 connected to its outside to scrape the outer wall of the heat exchange cylinder 18 to prevent scale from forming on the outside of the heat exchange cylinder 18 and affecting heat exchange. At the same time, during the movement of the cleaning frame 25, it will contact and push the push rod 27, so that the push rod 27 drives the pressing plate 26 to slide inside the rotating cylinder 13, thereby squeezing the cleaning sponge 17 to keep the cleaning sponge 17 dry. The squeezed cooling water will flow into the collection tank 12 through the drain holes 1301 for recycling.

[0025] The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0026] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An energy-saving circulating cooling device for preparing TPV sealing strips, comprising a cooling pool (1) filled with cooling water. Guide ring seats (2) are fixedly installed above the left and right ends of the cooling pool (1), and guide rollers (3) are rotatably installed at the left and right ends of the cooling pool (1). It is characterized in that On the inner side of the cooling pool (1), two groups of conveying components are symmetrically and rotatably installed and are connected by a transmission belt. Each group of conveying components is provided with two conveying and traction rollers (4) for conveying the sealing strips. The shafts of the two conveying and traction rollers (4) in each group of conveying components are connected by a transmission gear member (5). At the same time, a conveying motor (6) is fixedly installed outside the cooling pool (1), and the output end of the conveying motor (6) is fixedly connected to the shaft of the right conveying and traction roller (4). A tension adjusting component is also arranged on the inner side of the cooling pool (1). A swinging component for swinging the sealing strip is arranged in the cooling pool (1). A collecting groove (12) is fixedly installed at the left end of the cooling pool (1), and a drying component for preheating and drying the sealing strip is arranged above the collecting groove (12).

2. An energy-saving circulating cooling device for preparing a TPV sealing strip according to claim 1, wherein: The swinging component includes a movable frame (7) installed vertically on the inner side of the cooling pool (1). Two lifting rollers (8) that fit the sealing strip are rotatably installed on the movable frame (7). A driving motor (9) is fixedly installed on the cooling pool (1). A turntable (10) is fixedly installed at the output end of the driving motor (9). A connecting rod (11) is rotatably installed between the turntable (10) and the movable frame (7). During the rotation of the turntable (10), the movable frame (7) is driven to perform reciprocating lifting adjustment through the connecting rod (11).

3. An energy-saving circulating cooling device for preparing a TPV sealing strip according to claim 1, characterized in that: The tension adjusting component includes a lifting rod (30) installed vertically on the cooling pool (1). A lifting block (28) is fixedly installed at the lower end of the lifting rod (30). A second spring (31) is fixedly connected between the cooling pool (1) and the lifting block (28). An adjusting roller (29) is rotatably installed on the outer side of the lifting block (28), and the adjusting roller (29) is in contact with and supports the outer side of the sealing strip.

4. An energy-saving circulating cooling device for preparing a TPV sealing strip according to claim 2, characterized in that: The drying component includes a rotating cylinder (13) rotatably installed outside the left guide ring seat (2). A gear (14) is fixedly installed on the outer side of the rotating cylinder (13). A rack (15) is slidably installed outside the collecting groove (12). The rack (15) is meshed with the gear (14). A traction rope (16) is fixedly connected between the rack (15) and the movable frame (7).

5. An energy-saving circulating cooling device for preparing a TPV sealing strip according to claim 4, characterized in that: A cleaning sponge (17) is fixedly installed inside the rotating cylinder (13). The cleaning sponge (17) is arranged in an annular structure. The inner wall of the inner circle of the cleaning sponge (17) is in contact with the sealing strip. During the rotation of the rotating cylinder (13) driving the cleaning sponge (17), the cleaning and water absorption of the sealing strip are realized.

6. An energy-saving circulating cooling device for preparing a TPV sealing strip according to claim 1, characterized in that: The drying component further includes a cylindrical heat exchange cylinder (18) fixedly installed on the collection tank (12). A sliding ring (19) is hermetically sleeved on the outer side of the heat exchange cylinder (18). A first spring (20) is fixedly connected between the heat exchange cylinder (18) and the sliding ring (19). An elastic rubber cylinder (21) is fixedly connected between the rotating cylinder (13) and the sliding ring (19). During the rotation of the rotating cylinder (13), the elastic rubber cylinder (21) is twisted. During the twisting of the elastic rubber cylinder (21), the sliding ring (19) is pulled to slide along the outer side of the heat exchange cylinder (18). The left end of the rotating cylinder (13) is hermetically fitted to the right end of the heat exchange cylinder (18).

7. An energy-saving circulating cooling device for preparing a TPV sealing strip according to claim 6, characterized in that: A liquid guide pipe (22) is connected to the right end of the cooling pool (1). A liquid suction pipe (24) is fixedly connected between the sliding ring (19) and the liquid guide pipe (22). A liquid discharge pipe (23) is also fixedly installed on the sliding ring (19). The lower end of the liquid discharge pipe (23) faces the collection tank (12). During the restoration of the elastic rubber cylinder (21), cooling water in the liquid discharge pipe (23) is extracted through the liquid suction pipe (24). During the twisting of the elastic rubber cylinder (21), the cooling water is discharged through the liquid discharge pipe (23).

8. An energy-saving circulating cooling device for preparing a TPV sealing strip according to claim 7, characterized in that: The heat exchange cylinder (18) is sleeved outside the sealing strip. Fins (1801) are evenly arranged inside the heat exchange cylinder (18). The fins (1801) dry the residual moisture on the outside of the sealing strip by conducting the heat of the coolant.

9. An energy-saving circulating cooling device for preparing a TPV sealing strip according to claim 7, characterized in that: A circular cleaning frame (25) is fixedly installed on the right side of the sliding ring (19). The cleaning frame (25) is attached to the outer side of the heat exchange cylinder (18). When the sliding ring (19) drives the cleaning frame (25) to move, the outer wall of the heat exchange cylinder (18) is cleaned. The left end of the rotating cylinder (13) is telescopically connected with a push rod (27). The right end of the push rod (27) is fixedly connected with a pressing plate (26). The pressing plate (26) is attached to the cleaning sponge (17). During the movement of the cleaning frame (25), the push rod (27) is pushed to slide the pressing plate (26) inside the rotating cylinder (13) to squeeze the cleaning sponge (17). Drain holes (1301) are evenly formed in the rotating cylinder (13).

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