A cooling device for an extruder used in producing waterproof boards

Abstract

The present invention discloses a cooling device for an extruder for producing waterproof boards, wherein a cooling trough is fixed on the top of a bracket, a water inlet mechanism is arranged at one end of the cooling trough, a water outlet is provided at the other end of the cooling trough, the water outlet is connected to a filter box, the filter box is fixed in the middle of the bracket, a water storage tank is fixed in the middle of the bracket, one end of the water storage tank is connected to the water inlet mechanism through a pipeline, and the other end is connected to the filter box through a pipeline, a filter plate is arranged at one end of the filter box, a rotating shaft is fixedly connected to the top of the filter plate, the rotating shaft passes through the filter box and is rotatably connected to the filter box, a collecting rack is vertically arranged at the filter box away from the water outlet, a chute is provided at the top of the filter box at the position of the collecting rack, the collecting rack passes through the chute and is located inside the filter box, the bottom and side surfaces of the collecting rack conflict with the inner wall of the filter box, and the top surface of the collecting rack conflicts with the chute. The present invention ensures the cleanliness of cooling water during the circulation process by arranging a filter box and arranging a rotatable filter plate and a collecting rack in the filter box.

Description

Technical Field

[0001] The invention relates to the field of extruders, in particular to a cooling device of an extruder for producing waterproof boards. Background Art

[0002] In the production process of waterproof board, the raw materials need to be put into the extruder for extrusion molding. The extruder is one of the types of plastic machinery. The extruder head can be divided into right-angle head and bevel head according to the direction of the material flow in the head and the angle between the center line of the screw. The screw extruder relies on the pressure and shear force generated by the rotation of the screw to fully plasticize and evenly mix the material and form it through the die.

[0003] During the plastic extrusion process, the material will first be melted at high temperature in the extruder and then extruded to obtain a higher temperature material strip. Since the extruded material strip can only be input into the pelletizer for pelletizing after cooling and hardening, and then the next step of processing is carried out, a cooling device is required to cool the material strip to obtain a plastic with optimized strength, impact resistance, heat resistance, hardness and aging resistance. Since water has a large specific heat capacity and is easy to exchange heat with hot plastic strips, and the chemical properties of water are stable, the cooling of the material strip is mainly water cooling, that is, the material strip is cooled by a water tank filled with cooling water.

[0004] The utility model with publication number CN201940397U discloses a cooling circulation device for an extruder, wherein a water pump is located at the lower end of the middle part of a cooling trough, a water pipe is located at the side of the front end of the cooling trough, the water pump is connected to the water pipe through a pipe, the water pipe is T-shaped, and the water pipe is provided with four faucets, the four faucets are connected to four water inlets one through pipes, the four water inlets one are fixed at the top of the side wall of the cooling trough and are arranged at intervals, the water pump is connected to water inlet two through a pipe, water inlet two is located on the bottom surface of the middle part of the cooling trough above the water pump, the water tank is located at the bottom of the rear end of the cooling trough, the water pump and the water tank are connected by a pipe, a drainage structure one is located at the front end of the cooling trough, and the drainage structure one is fixedly connected to the cooling trough.

[0005] In the above technical scheme, during the water cooling of the waterproof board, the fine impurity particles generated during the production of the waterproof board will also enter the cooling tank with the waterproof board. Failure to clean it for a long time will affect the quality of the cooling water in the cooling tank and the environment of the entire cooling tank, causing the surface of the waterproof board to be contaminated with impurities after cooling in the cooling tank, thereby increasing the workload for the subsequent drying and cleaning steps, and too many impurities in the cooling water will also affect the cooling efficiency and quality. Summary of the invention

[0006] The purpose of the present invention is to provide a cooling device for an extruder used in the production of waterproof boards, which solves the problem that the impurities in the cooling trough are not cleaned in time during cooling, thereby affecting the subsequent cooling quality and increasing the workload of subsequent processing steps of the waterproof boards.

[0007] The above technical objectives of the present invention are achieved through the following technical solutions:

[0008] A cooling device for an extruder for producing waterproof boards, comprising a bracket, a cooling trough, a water storage tank, a filter box, and a water inlet mechanism, wherein the cooling trough is located at the top of the bracket and is fixedly connected to the bracket, a water inlet mechanism is arranged at one end of the cooling trough, a water outlet is arranged at the other end of the cooling trough, the water outlet is connected to the filter box through a pipe, the filter box is located in the middle of the bracket and is fixedly connected to the bracket, the water storage tank is located in the middle of the bracket and is fixedly connected to the bracket, and one end of the water storage tank is connected to the water inlet mechanism through a pipe The filter box is connected to a filter channel, and the other end is connected to the filter box through a pipe, the filter box is vertically provided with a filter plate at one end close to the water outlet, the top of the filter plate is fixedly connected with a rotating shaft, the rotating shaft passes through the filter box and is rotatably connected to the filter box, the filter box is vertically provided with a collecting rack away from the water outlet, the filter box is provided with a slide groove on the top at the position of the collecting rack, the collecting rack passes through the slide groove and is located inside the filter box, the bottom and side surfaces of the collecting rack are in conflict with the inner wall of the filter box, and the top surface of the collecting rack is in conflict with the slide groove.

[0009] By adopting the above technical solution, a rotatable filter plate is arranged in the filter box, and a collecting rack is arranged behind the filter plate. Impurities in the cooling water in the filter box will be blocked by the filter plate and accumulated on the surface of the filter plate, thereby filtering the impurities in the cooling water, and the accumulated filter residue on the filter plate is collected by the collecting rack, thereby maintaining the filtering effect of the filter box, so that the water in the cooling trough is filtered through the filter box when it flows back to the water storage tank, thereby ensuring the cleanliness of the water used for circulation.

[0010] Preferably, grooves are provided at both ends of the collecting rack close to the filter plate, and convex eaves are fixedly connected at both ends of the collecting rack away from the filter plate. The convex eaves are consistent in shape with the grooves and can be embedded in the grooves. A handle is fixedly connected to the middle of the top end of the collecting rack.

[0011] By adopting the above technical solution, multiple collection racks can be snapped together by setting the grooves and convex eaves at both ends of the collection rack, thereby facilitating the collection and transportation of the collection racks. By setting a handle at the top of the collection rack, it is easy to pull the collection rack out of the filter box, thereby facilitating the taking and putting in of the collection rack.

[0012] Preferably, a baffle is fixedly connected to the side of the collecting rack away from the filter plate, the baffle is densely covered with fine filter holes, and a pad is fixedly connected to the bottom of the side of the collecting rack close to the filter plate, the pad is arranged at an angle.

[0013] By adopting the above technical solution, a baffle is set on the collecting frame to block the filter residue, so that the filter residue falls to the bottom of the collecting frame, which is convenient for the collecting frame to collect the filter residue, and an inclined pad is set at the bottom, so that the filter residue coming from the filter plate can enter the collecting frame along the inclined angle of the pad, thereby preventing the filter residue from accumulating on the side of the bottom of the collecting frame close to the filter plate.

[0014] Preferably, the water inlet mechanism includes a water pump and a faucet. Four faucets are arranged side by side and are located on the upper part of the cooling trough and fixedly connected to the outer wall of the cooling trough. The water pump is located in the middle of the bracket and fixedly connected to the bracket. One end of the water pump is connected to the faucet through a pipe, and the other end is connected to the water tank through a pipe. A flow regulating valve is provided on the pipe between the water pump and the faucet.

[0015] By adopting the above technical solution, water in the water tank is pumped out by a water pump and pumped to four faucets arranged side by side so that the faucets can add water to the cooling tank, and the flow rate after the water pump is pumped is controlled by arranging a flow regulating valve on the pipeline, thereby controlling the water pumping amount of the water tank and the water output of the four faucets.

[0016] Preferably, it also includes a limiting shell, which is located in the middle of the cooling groove. The limiting shell is a hollow shell. The bottom of the limiting shell is fixedly connected to the bottom of the cooling groove, the side of the limiting shell is fixedly connected to the side of the cooling groove, and a through hole is opened in the middle of the top end of the limiting shell.

[0017] By adopting the above technical solution, a limit shell is set up, and the water level in the cooling tank can be adjusted through the limit shell. When the water level in the cooling tank is too high, the water level overflows the upper part of the limit shell and flows out from the through hole in the upper part of the limit shell, thereby preventing the water level in the cooling tank from being too high and causing the water to overflow the cooling tank.

[0018] Preferably, the cooling groove is connected to a filter tube at the bottom of the limiting shell, and a filter ring is clamped in the middle of the filter tube.

[0019] By adopting the above technical solution, water entering from the upper through hole of the limiting shell flows down through the filter tube, and impurities in the water are filtered by the filtering action of the filter ring in the middle of the filter tube, so that the water after flowing through the filter tube remains clean.

[0020] Preferably, an empty groove is provided on a middle part of the filter tube close to the filter ring, and a clamping groove is provided on an inner wall of a middle part of the filter tube away from the filter ring, and the filter ring is embedded in the clamping groove and clamped with the filter ring.

[0021] By adopting the above technical solution, the filter ring can be inserted and pulled out from the filter tube through the clamping connection between the filter ring and the filter tube, so that when a large amount of filter residue inside the filter ring blocks the filter holes and affects the filtering effect, it can be cleaned in time.

[0022] Preferably, it also includes a water cooling box, which is located in the middle of the bracket and fixedly connected to the bracket, the upper part of the water cooling box is connected to the filter tube, one side of the water cooling box is connected to the filter box through a conduit, and the other side is connected to the water storage tank through a conduit.

[0023] By adopting the above technical solution, a water cooling box is set up to cool the filtered water. Since the temperature of the waterproof plate is too high, the temperature of the water in the cooling tank will increase. After being cooled by the water cooling box, it is circulated back to the water storage tank to avoid high-temperature water directly entering the water storage tank and causing the water temperature in the water storage tank to increase, which is not conducive to subsequent cooling.

[0024] Preferably, it also includes a water supply tank and a base, wherein the water supply tank is located at the bottom of the water cooling box, and the bottom of the water supply tank is fixedly connected to the base, and both sides of the water supply tank are connected to the water cooling box through a water outlet pipe and a water inlet pipe respectively.

[0025] By adopting the above technical solution, a water supply tank is arranged at the bottom of the water cooling box, and the water in the water supply tank can flow through the water cooling box to form a circulation through the connection between the water supply tank and the water cooling box, thereby cooling the water inside the water cooling box.

[0026] Preferably, it further comprises a filter basket, wherein two filter baskets are provided and are respectively located on both sides of the limiting shell in the cooling groove, and the filter baskets are embedded in the cooling groove.

[0027] By adopting the above technical solution, a filter basket is provided so that the filter basket can play a filtering role in the cooling tank, and when there is too much filter residue in the filter basket and the filter holes are blocked to affect the filtering effect, the filter basket can be taken out of the cooling tank for cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a structural schematic diagram of an embodiment;

[0029] Figure 2 This is a schematic diagram of the structure of the cooling tank used to illustrate the embodiment;

[0030] Figure 3 This is a schematic diagram of the embodiment for showing the position of the filter basket;

[0031] Figure 4 This is a schematic diagram of the connection of the water cooling box used to illustrate the embodiment;

[0032] Figure 5The embodiment is used to show the structural schematic diagram of the filter pool;

[0033] Figure 6 This is a schematic diagram of the structure of the collecting rack used to illustrate the embodiment;

[0034] Figure 7 This is a schematic diagram for illustrating the connection of the filter ring in an embodiment;

[0035] Figure 8 The schematic diagram of the structure of the filter tube is used to illustrate the embodiment.

[0036] Figure numerals: 1. bracket; 2. cooling trough; 3. faucet; 4. flow regulating valve; 5. water storage tank; 6. water cooling tank; 7. filter box; 8. water supply tank; 9. base; 10. filter tube; 11. limit shell; 12. through hole; 13. filter basket; 14. water outlet; 15. water outlet pipe; 16. water inlet pipe; 17. filter plate; 18. rotating shaft; 19. handle; 20. collecting rack; 21. groove; 22. convex eaves; 23. baffle; 24. pad; 25. filter ring; 26. empty slot; 27. slot; 28. water pump. DETAILED DESCRIPTION

[0037] The following is only a preferred embodiment of the present invention, and the protection scope is not limited to this embodiment. All technical solutions under the concept of the present invention should belong to the protection scope of the present invention. At the same time, it should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

[0038] See Figures 1 to 8 A cooling device for an extruder for producing waterproof boards, comprising a bracket 1, a cooling tank 2, a water storage tank 5, a filter box 7, a water inlet mechanism, and an attached Figure 1 As shown, the cooling trough 2 is located at the top of the bracket 1 and the cooling trough 2 is fixedly connected to the bracket 1, a water inlet mechanism is provided at one end of the cooling trough 2, and a water outlet 14 is provided at the other end of the cooling trough 2, and the water outlet 14 is connected to the filter box 7 through a pipe, the filter box 7 is located in the middle of the bracket 1 and is fixedly connected to the bracket 1, the water storage tank 5 is located in the middle of the bracket 1 and is fixedly connected to the bracket 1, one end of the water storage tank 5 is connected to the water inlet mechanism through a pipe, and the other end is connected to the filter box 7 through a pipe.

[0039] Attach Figure 5As shown, a filter plate 17 is vertically arranged at one end of the filter box 7 near the water outlet 14, a rotating shaft 18 is fixedly connected to the top of the filter plate 17, the rotating shaft 18 passes through the filter box 7 and is rotatably connected to the filter box 7, a collecting rack 20 is vertically arranged at the filter box 7 away from the water outlet 14, a slide groove is opened on the top of the filter box 7 at the position of the collecting rack 20, the collecting rack 20 passes through the slide groove and is located inside the filter box 7, the bottom and side surfaces of the collecting rack 20 are in conflict with the inner wall of the filter box 7, and the top surface of the collecting rack 20 is in conflict with the slide groove.

[0040] Here, sealing strips are fixedly connected to the edges where the filter plate 17 contacts the filter box 7 and the surfaces where the collecting rack 20 contacts the filter box 7, that is, the contact points between the filter plate 17 and the filter box 7 and the contact points between the collecting rack 20 and the filter box 7 have a sealing effect, which can prevent cooling water from flowing out of the contact points. Similarly, the contact points between the rotating shaft 18 and the filter box 7 and the contact points between the handle 19 and the filter box 7 are also sealed.

[0041] When the cooling water cools the waterproof plate in the cooling tank 2, the impurities brought out from the cooling plate will enter the water and make the water turbid. At this time, the water enters the filter box 7 from the water storage port. The filter plate 17 in the filter box 7 filters the impurities in the water, so that the water flows out from the filter plate 17 and the impurities are blocked. After the water flows out from the filter plate 17, it flows through the collection rack 20, and then flows out from the collection rack 20, and then flows out from the filter box 7. Therefore, the water flowing out of the filter box 7 is clean water. As the water is continuously filtered, the impurities in the water filtered by the filter plate 17 are increasing, and the accumulated impurities will block the filter holes of the filter plate 17, thereby affecting the filtering efficiency and filtering effect of the filter plate 17 on the water.

[0042] At this time, the rotating shaft 18 is rotated so that the filter plate 17 rotates 180° along with the rotating shaft 18, so that the side of the filter plate 17 that is accumulated changes from the side away from the collecting frame 20 to the side close to the collecting frame 20, so that the impurities originally accumulated on the side of the filter plate 17 away from the collecting frame 20 are washed into the collecting frame 20 by the water flow. When the impurities reach a certain amount, the collecting frame 20 can be taken out to clean the impurities.

[0043] The present invention provides a rotatable filter plate 17 in the filter box 7, and a collecting rack 20 is provided behind the filter plate 17. Impurities in the cooling water in the filter box 7 will be blocked by the filter plate 17 and accumulated on the surface of the filter plate 17, thereby filtering the impurities in the cooling water, and the accumulated filter residue on the filter plate 17 is collected by the collecting rack 20, thereby maintaining the filtering effect of the filter box 7, so that the water in the cooling tank 2 is filtered through the filter box 7 when it flows back to the water storage tank 5, thereby ensuring the cleanliness of the water used for circulation.

[0044] Attach Figure 6As shown, grooves 21 are provided at both ends of the collecting rack 20 close to the filter plate 17, and convex eaves 22 are fixedly connected at both ends of the collecting rack 20 away from the filter plate 17. The convex eaves 22 are consistent in shape with the grooves 21, and the convex eaves 22 can be embedded in the grooves 21. A handle 19 is fixedly connected to the middle part of the top of the collecting rack 20, and a baffle 23 is fixedly connected to the side of the collecting rack 20 away from the filter plate 17. The baffle 23 is densely covered with fine filter holes. A pad 24 is fixedly connected to the bottom of the collecting rack 20 close to the filter plate 17, and the pad 24 is arranged at an incline.

[0045] The grooves 21 and the convex eaves 22 at both ends of the collecting rack 20 enable multiple collecting racks 20 to be snap-connected, thereby facilitating the collection and transportation of the collecting racks 20, and by arranging a handle 19 at the top of the collecting rack 20, it is easy to pull the collecting rack 20 out of the filter box 7, thereby facilitating the taking and placing of the collecting rack 20.

[0046] The baffle 23 can block the filter residue, causing it to fall to the bottom of the collecting rack 20, making it easier for the collecting rack 20 to collect the filter residue. An inclined pad 24 is provided at the bottom, so that the filter residue from the filter plate 17 can enter the collecting rack 20 along the inclined angle of the pad 24, thereby preventing the filter residue from accumulating at the bottom of the collecting rack 20 close to the filter plate 17.

[0047] Attach Figure 1 As shown, the water inlet mechanism includes a water pump 28 and a faucet 3. Four faucets 3 are arranged side by side and are located at the upper part of the cooling trough 2. The faucets 3 are fixedly connected to the outer wall of the cooling trough 2. The water pump 28 is located in the middle part of the bracket 1 and is fixedly connected to the bracket 1. One end of the water pump 28 is connected to the faucet 3 through a pipeline, and the other end is connected to the water tank 5 through a pipeline. A flow regulating valve 4 is arranged on the pipeline between the water pump 28 and the faucet 3.

[0048] The water in the water tank 5 is pumped out by the water pump 28 and pumped to four parallel faucets 3 so that the faucets 3 can add water to the cooling tank 2, and the flow rate after the water pump 28 pumps water is controlled by arranging a flow regulating valve 4 on the pipeline, thereby controlling the water pumping amount of the water tank 5 by the water pump 28 and the water output of the four faucets 3.

[0049] Attach Figure 2 As shown, the limiting shell 11 is located in the middle of the cooling groove 2, the limiting shell 11 is a hollow shell, the bottom of the limiting shell 11 is fixedly connected to the bottom of the cooling groove 2, the side of the limiting shell 11 is fixedly connected to the side of the cooling groove 2, and a through hole 12 is opened in the middle of the top of the limiting shell 11. The connection between the limiting shell 11 and the cooling groove 2 is welded and fixed, which has a sealing effect. Therefore, water can only flow out from the upper through hole 12 of the limiting shell 11 and will not flow out from the connection between the limiting shell 11 and the cooling groove 2, and the height of the limiting shell 11 here is even three quarters of the height of the top of the cooling groove 2.

[0050] The water level of the cooling tank 2 is adjusted by the limiting shell 11. When the water level in the cooling tank 2 is too high, the water level overflows the upper part of the limiting shell 11 and flows out from the through hole 12 in the upper part of the limiting shell 11, thereby preventing the water level in the cooling tank 2 from overflowing the cooling tank 2 due to being too high.

[0051] Attach Figure 7 As shown, the cooling trough 2 is connected to a filter tube 10 at the bottom of the limiting shell 11, and a filter ring 25 is clamped in the middle of the filter tube 10. Water entering from the upper through hole 12 of the limiting shell 11 flows down through the filter tube 10, and impurities in the water are filtered out by the filtering effect of the filter ring 25 in the middle of the filter tube 10, so that the water after flowing through the filter tube 10 remains clean.

[0052] Attach Figure 8 As shown, an empty groove 26 is opened on the middle part of the filter tube 10 near the filter ring 25, and a clamping groove 27 is opened on the inner wall of the middle part of the filter tube 10 away from the filter ring 25. The filter ring 25 is embedded in the clamping groove 27 and clamped with the filter ring 25. A sealing strip is arranged in the clamping groove 27. When the filter ring 25 is embedded in the clamping groove 27, it is tightly pressed against the sealing strip, so that a sealing effect is achieved between the filter ring 25 and the filter tube 10 to prevent water from flowing out from between the filter ring 25 and the filter tube 10.

[0053] The filter ring 25 can be inserted into and removed from the filter tube 10 by the clamping connection between the filter ring 25 and the filter tube 10, so that when a large amount of filter residue is contained in the filter ring 25 and the filter holes are blocked to affect the filtering effect, it can be cleaned in time.

[0054] Attach Figure 1 As shown, the water cooling box 6 is located in the middle of the bracket 1 and is fixedly connected to the bracket 1. The upper part of the water cooling box 6 is connected to the filter tube 10. One side of the water cooling box 6 is connected to the filter box 7 through a conduit, and the other side is connected to the water storage tank 5 through a conduit.

[0055] The water cooling box 6 cools the filtered water. Since the temperature of the waterproof plate is too high, the temperature of the water in the cooling tank 2 will increase. After being cooled by the water cooling box 6, it circulates back to the water storage tank 5 to avoid high-temperature water directly entering the water storage tank 5 and causing the water temperature in the water storage tank 5 to increase, which is not conducive to subsequent cooling.

[0056] Attach Figure 4 As shown, the water supply tank 8 is located at the bottom of the water cooling box 6, and the bottom of the water supply tank 8 is fixedly connected to the base 9, and both sides of the water supply tank 8 are connected to the water cooling box 6 through the water outlet pipe 15 and the water inlet pipe 16 respectively.

[0057] By arranging a water supply tank 8 at the bottom of the water cooling box 6, and through the connection between the water supply tank 8 and the water cooling box 6, the water in the water supply tank 8 can flow through the water cooling box 6 to form a circulation, thereby cooling the water inside the water cooling box 6. Here, the water cooling box 6 is divided into two layers, the inner and outer walls. The water flowing in from the filter box 7 and the filter tube 10 enters the inner wall of the water cooling box 6, and the water in the water supply tank 8 enters between the inner wall and the outer wall of the water cooling box 6, thereby cooling the water inside the inner wall.

[0058] Attach Figure 3 As shown, two filter baskets 13 are provided, which are respectively located on both sides of the limiting shell 11 in the cooling trough 2, and the filter baskets 13 are embedded in the cooling trough 2. The filter baskets 13 can play a filtering role in the cooling trough 2, and when there is too much filter residue in the filter basket 13 and the filter holes are blocked to affect the filtering effect, the filter basket 13 can also be taken out of the cooling trough 2 for cleaning. Here, the contact between the filter basket 13 and the edge of the cooling trough 2 and the contact between the filter basket 13 and the edge of the limiting shell 11 are sealed to prevent water from flowing out from these two contact points and affecting the filtering effect of the filter basket 13.

Claims

1. A cooling device for an extruder for producing waterproof boards, characterized in that: The invention comprises a support (1), a cooling trough (2), a water storage tank (5), a filter box (7), and a water inlet mechanism, wherein the cooling trough (2) is located at the top of the support (1) and the cooling trough (2) is fixedly connected to the support (1), a water inlet mechanism is arranged at one end of the cooling trough (2), a water outlet (14) is arranged at the other end of the cooling trough (2), and the water outlet (14) is connected to the filter box (7) through a pipeline, the filter box (7) is located in the middle of the support (1) and is fixedly connected to the support (1), the water storage tank (5) is located in the middle of the support (1) and is fixedly connected to the support (1), one end of the water storage tank (5) is connected to the water inlet mechanism through a pipeline, and the other end is connected to the filter box (7) through a pipeline. The filter box (7) is connected with a water outlet (14), a filter plate (17) is vertically arranged at one end thereof near the water outlet (14), a rotating shaft (18) is fixedly connected to the top of the filter plate (17), the rotating shaft (18) passes through the filter box (7) and is rotatably connected to the filter box (7), a collecting rack (20) is vertically arranged at a position of the filter box (7) away from the water outlet (14), a sliding groove is provided at the top of the filter box (7) at the position of the collecting rack (20), the collecting rack (20) passes through the sliding groove and is located inside the filter box (7), the bottom surface and the side surface of the collecting rack (20) are in conflict with the inner wall of the filter box (7), the top surface of the collecting rack (20) is in conflict with the sliding groove, and the collecting rack (20) is close to the filter box (7). The plate (17) has grooves (21) at both ends of one side, the collecting frame (20) is fixedly connected with convex eaves (22) at both ends of the side away from the filter plate (17), the convex eaves (22) are consistent in shape with the groove (21), and the convex eaves (22) can be embedded in the groove (21), a handle (19) is fixedly connected to the middle of the top of the collecting frame (20), the collecting frame (20) is fixedly connected with a baffle (23) at the side away from the filter plate (17), the baffle (23) is densely covered with fine filter holes, the collecting frame (20) is fixedly connected with a pad (24) at the bottom of the side close to the filter plate (17), the pad (24) is arranged in an inclined manner, and the water inlet mechanism comprises a water pump (28), a faucet (3 ), four faucets (3) are arranged side by side, located at the upper part of the cooling trough (2) and the faucets (3) are fixedly connected to the outer wall of the cooling trough (2), the water pump (28) is located in the middle of the bracket (1) and is fixedly connected to the bracket (1), one end of the water pump (28) is connected to the faucet (3) through a pipeline, and the other end is connected to the water storage tank (5) through a pipeline, a flow regulating valve (4) is arranged on the pipeline between the water pump (28) and the faucet (3), and also includes a limit shell (11), the limit shell (11) is located in the middle of the cooling trough (2), the limit shell (11) is a hollow shell, and the bottom of the limit shell (11) is fixedly connected to the bottom of the cooling trough (2),The side of the limiting shell (11) is fixedly connected to the side of the cooling groove (2), and a through hole (12) is provided in the middle of the top of the limiting shell (11). The connection between the limiting shell (11) and the cooling groove (2) is welded and fixed, which has a sealing effect. Therefore, water can only flow out from the upper through hole (12) of the limiting shell (11) and will not flow out from the connection between the limiting shell (11) and the cooling groove (2). In addition, the height of the limiting shell (11) is set to three quarters of the height of the top of the cooling groove (2).

2. The cooling device of the extruder for producing waterproof board according to claim 1, characterized in that: The cooling groove (2) is connected to a filter tube (10) at the bottom of the limiting shell (11), and a filter ring (25) is clamped in the middle of the filter tube (10).

3. The cooling device of the extruder for producing waterproof board according to claim 2, characterized in that: A hollow groove (26) is provided on a side of the middle of the filter tube (10) close to the filter ring (25), and a clamping groove (27) is provided on an inner wall of a side of the middle of the filter tube (10) away from the filter ring (25); the filter ring (25) is embedded in the clamping groove (27) and clamped with the filter ring (25).

4. The cooling device of the extruder for producing waterproof board according to claim 3, characterized in that: It also includes a water cooling box (6), which is located in the middle of the bracket (1) and is fixedly connected to the bracket (1), the upper part of the water cooling box (6) is connected to the filter tube (10), one side of the water cooling box (6) is connected to the filter box (7) through a conduit, and the other side is connected to the water storage tank (5) through a conduit.

5. The cooling device of the extruder for producing waterproof board according to claim 4, characterized in that: It also comprises a water supply box (8) and a base (9), wherein the water supply box (8) is located at the bottom of the water cooling box (6), and the bottom of the water supply box (8) is fixedly connected to the base (9), and the two sides of the water supply box (8) are respectively connected to the water cooling box (6) through a water outlet pipe (15) and a water inlet pipe (16).

6. The cooling device of the extruder for producing waterproof board according to claim 5, characterized in that: It also comprises a filter basket (13), wherein two filter baskets (13) are provided and are respectively located on both sides of the limiting shell (11) in the cooling groove (2), and the filter baskets (13) are embedded in the cooling groove (2).

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