High-efficiency water cooling device for extruder pipes
By designing a circulating water cooling system that combines gravity drainage, pump force enhancement and siphon return, and controlling the movement of the piston rod through the motor to regulate the water flow rate, the impact of water flow shock on the pipe material is solved, and a more stable cooling effect is achieved, the forming structure of the pipe material is protected, and energy consumption is reduced.
Patent Information
- Application Number
- CN202510077253.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-17
- Publication Date
- 2025-04-08
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
During the cooling process of existing water cooling devices, due to the fast water flow rate, it is easy to cause impact on the newly extruded hot melt pipe material, resulting in shape deformation, affecting the dimensional accuracy and appearance quality of the product.
A circulating water cooling system combining gravity drainage, pump force lifting and siphon reflux is designed. The movement of the piston rod is controlled by the motor, the water flow rate is regulated, the impact force on the pipe material is reduced, and the water flow is dispersed through the annular tube to ensure that the water flow is more stable.
It effectively reduces the impact force of water flow on the pipe material, protects the forming structure of the pipe material, extends the equipment life, reduces energy consumption, and ensures uniform cooling of the pipe material, avoiding local insufficient cooling or excessive cooling.
Smart Images
Figure CN119773205A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of water cooling, in particular to a high-efficiency water cooling device for extruder pipe materials. Background Art
[0002] The water cooling device for extruder pipes is a device used to cool thermoplastic pipes just extruded from the extruder head. By immersing the pipe in or guiding it through a tank or pipe filled with cooling water, the efficient thermal conductivity of water is used to quickly reduce the temperature of the pipe to ensure that it is shaped and has sufficient hardness to prevent deformation and maintain dimensional accuracy.
[0003] Conventional water cooling generally uses a water pump for circulating water cooling to improve the water cooling speed and efficiency. However, this method has a disadvantage. When water flows through the water pump, a certain flow rate and pressure will be generated, which will cause the water in the cooling tank to flow significantly. This flow will cause a certain impact force on the hot melt tube that has just been extruded, especially when the water flow speed in the cooling tank is fast. Since the hot melt tube is still in a soft state before cooling, the strong water flow impact may cause its shape to deform, affecting the dimensional accuracy and appearance quality of the final product.
[0004] Based on the above situation, the present invention proposes a high-efficiency water cooling device for extruder pipe material. Summary of the invention
[0005] In order to overcome the disadvantage that water flow impact easily causes deformation of pipe materials, the present invention provides a high-efficiency water cooling device for extruder pipe materials.
[0006] The invention discloses a high-efficiency water cooling device for extruder pipe material, comprising a water-cooling shaping box, wherein the water-cooling shaping box is fixedly connected with a circulation frame, wherein the circulation frame is provided with an upper cavity and a lower cavity, wherein the upper cavity of the circulation frame is connected with a one-way water inlet pipe, wherein the upper cavity of the circulation frame is connected with a circulation pipe, wherein a connecting pipe is connected between the lower cavity of the circulation frame and the water-cooling shaping box, wherein the circulation pipe is connected with a telescopic pipe, wherein the connecting pipe and the telescopic pipe are both connected with an annular pipe, wherein the annular pipe is provided with circumferentially distributed circular holes for dispersing inflow and outflow of water, wherein the water-cooling shaping box A support block is slidably connected, and the support block is fixedly connected to the telescopic tube. A piston rod is slidably connected in the circulation tube. The lower part of the circulation tube is provided with circumferentially distributed water outlet regulating ports. The circulation tube is fixedly connected to a motor, and the output shaft of the motor is fixedly connected to a gear. The piston rod is provided with a tooth pattern meshing with the gear. A water pump is fixedly connected to the lower cavity of the circulation rack. The water pump lifts the water in the lower cavity of the circulation rack to the upper cavity of the circulation rack through a pipeline. At least two refrigeration pipes are fixedly connected to the upper cavity of the circulation rack.
[0007] Furthermore, it also includes blocking rods evenly distributed along the circumference, the blocking rods are slidably connected to the circulation pipe, and the circulation pipe has exhaust holes evenly distributed along the circumference on one side close to the blocking rods. The blocking rods correspond to the exhaust holes one by one, and the blocking rods are used to block the corresponding exhaust holes. A first tension spring is fixed between the blocking rod and the circulation pipe.
[0008] Furthermore, the blocking rod is composed of an upper thick section and a lower thin section, and the upper thick section of the blocking rod blocks the corresponding exhaust hole, while the lower thin section of the blocking rod does not block the corresponding exhaust hole.
[0009] Further, the blocking rod is in contact with the piston rod.
[0010] Furthermore, a baffle is included, and the baffle is fixedly connected to one side of the upper cavity of the circulation rack close to the refrigeration pipe.
[0011] Furthermore, it also includes fixed blocks distributed at equal intervals, the fixed blocks are fixedly connected to the telescopic tube, and screws are threadedly connected between all the fixed blocks.
[0012] Furthermore, it also includes a fixing rod, which is fixed to a side of the water-cooling shaping box close to the supporting block. The fixing rod is slidably connected to the supporting block, and a second tension spring is fixed between the supporting block and the water-cooling shaping box.
[0013] Furthermore, it also includes a guide frame, which is slidably connected to the water-cooled shaping box, and a spring is fixedly connected between the guide frame and the water-cooled shaping box.
[0014] Furthermore, the guide frame is configured as a right-angled trapezoid, and the hypotenuse of the guide frame is extrusion-fitted with the support frame.
[0015] Furthermore, a pressing block is included, which is slidably connected to a side of the circulation pipe close to the guide frame, and a slope is provided on the side of the guide frame close to the pressing block, and the guide frame is squeezed and matched with the pressing block through the slope.
[0016] Compared with the prior art, the present invention has the following advantages:
[0017] The present invention establishes a circulating water cooling system that combines gravity drainage, pump-power lifting and siphon reflux, so that the water pump is only used to lift water to the cavity on the circulation rack, and the remaining links do not require energy drive, and the working time is greatly reduced, thereby extending the life of the equipment and reducing energy consumption.
[0018] The water flow driven by the siphon effect of the present invention is gradually accelerated. Therefore, compared with the system driven by a water pump throughout the process, the siphon system helps to form laminar flow, thereby reducing turbulence and internal disturbances. Moreover, compared with the system combining gravity and pump force, the present invention can also control the downward movement distance of the piston rod through the motor, thereby controlling the flow rate of water and further controlling the impact force of water on the pipe material.
[0019] The present invention can disperse the inflow and outflow water flow by arranging the annular pipe, making the water flow more stable, thereby reducing the impact force on the extruder pipe material and other components, and protecting the extruder pipe material forming structure.
[0020] The present invention can visually judge when the cooling water is full by observing the overflow phenomenon of the exhaust hole, and can squeeze out the residual air in the circulation pipe, so that the blocking rod can better draw the cooling water in the cavity on the circulation rack into the circulation pipe.
[0021] The present invention provides a baffle at the pipe mouth of the water pump output pipe, so that the water lifted by the water pump to the upper cavity of the circulation rack is blocked and decelerated, and the impact of the water pump is further weakened.
[0022] By adjusting the position of the annular tube on the right side, the present invention can make the pipe material with thicker wall thickness contact the circulating cooling water earlier, thereby accelerating the cooling of the thick-walled pipe material and preventing deformation, and the pipe material with thinner wall thickness can contact the circulating cooling water later, thereby avoiding deformation of the thin-walled pipe material due to excessive cooling. The cooling water can also be more evenly distributed in the entire water-cooling shaping box, ensuring that all parts of the pipe material are cooled uniformly, avoiding insufficient or excessive local cooling.
[0023] According to the present invention, the second tension spring adaptively rebounds according to the adjustable length of the freely retractable part of the telescopic tube, thereby pulling the support block to the right by a corresponding distance, so as to achieve the effect of autonomous stretching of the telescopic tube when the screw is adjusted, and the effect of autonomous contraction of the telescopic tube when water injection in the circulation pipe is stopped, which facilitates the subsequent complete tightening of the screw. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.
[0025] Figure 2 It is a three-dimensional structural schematic diagram of the circulation rack, circulation pipe, telescopic pipe and other components of the present invention.
[0026] Figure 3 It is a three-dimensional structural schematic diagram of the telescopic tube, support block, piston rod and other components of the present invention.
[0027] Figure 4 It is a three-dimensional structural schematic diagram of the piston rod, motor, gear and other components of the present invention.
[0028] Figure 5It is a three-dimensional structural schematic diagram of the piston rod, the blocking rod, the first tension spring and other components of the present invention.
[0029] Figure 6 It is a three-dimensional structural schematic diagram of the circulation rack, one-way water inlet pipe and baffle components of the present invention.
[0030] Figure 7 It is a three-dimensional structural schematic diagram of the components such as the telescopic tube, the fixing block and the screw rod of the present invention.
[0031] Figure 8 It is a three-dimensional structural schematic diagram of the fixing rod, the second tension spring, the guide frame and other components of the present invention.
[0032] Fig. 9 It is a three-dimensional structural schematic diagram of the guide frame, spring, pressure block and other components of the present invention.
[0033] Figure numbers: 1. water-cooling shaping box, 2. circulation rack, 201. one-way water inlet pipe, 3. circulation pipe, 301. ring pipe, 302. connecting pipe, 4. telescopic pipe, 5. support block, 6. piston rod, 601. water outlet regulating port, 7. motor, 8. gear, 9. water pump, 10. refrigeration pipe, 11. blocking rod, 111. exhaust hole, 12. first tension spring, 13. baffle, 14. fixing block, 15. screw rod, 16. fixing rod, 17. second tension spring, 18. guide rack, 19. spring, 20. pressing block. DETAILED DESCRIPTION
[0034] The technical solution of the present invention is further described below in conjunction with the accompanying drawings.
[0035] Embodiment 1: High-efficiency water cooling device for extruder pipe material, such as Figure 1-Figure 4As shown, it includes a water-cooled shaping box 1, a circulation frame 2 is fixedly connected to the left side of the water-cooled shaping box 1, and the circulation frame 2 is provided with an upper cavity and a lower cavity. The upper cavity of the circulation frame 2 is connected with a one-way water inlet pipe 201, and the top of the upper cavity of the circulation frame 2 is connected with a circulation pipe 3. A connecting pipe 302 is connected between the lower cavity of the circulation frame 2 and the water-cooled shaping box 1, and a telescopic pipe 4 is connected at the lower part of the circulation pipe 3. The top end of the connecting pipe 302 and the bottom end of the telescopic pipe 4 are both connected with an annular pipe 301. The annular pipe 301 is located in the water-cooled shaping box 1, and the annular pipe 301 is provided with circumferentially distributed circular holes for dispersing water inlet and outlet. The top of the water-cooled shaping box 1 is connected with a support block 5 in a sliding manner along the left-right direction, and the support block 5 is fixedly connected to the telescopic tube 4. The piston rod 6 is connected with the circulation tube 3 in a sliding manner along the up-down direction. The lower part of the circulation tube 3 is provided with a circumferentially distributed water outlet regulating port 601. The lower part of the circulation tube 3 is fixedly connected with a motor 7, and the output shaft of the motor 7 is fixedly connected with a gear 8. The piston rod 6 is provided with a tooth pattern meshing with the gear 8. A water pump 9 is fixedly connected to the lower cavity of the circulation rack 2. The water pump 9 lifts the water in the lower cavity of the circulation rack 2 to the upper cavity of the circulation rack 2 through a pipeline. Three refrigeration pipes 10 are fixedly connected to the upper cavity of the circulation rack 2.
[0036] First, the extruder pipe material enters from the left hole of the water-cooled setting box 1 and exits from the right hole, and the cooling water is filled into the water-cooled setting box 1 from the top. Then, water is introduced into the upper cavity of the circulation frame 2 through the one-way water inlet pipe 201. The cooling water in the upper cavity flows into the lower cavity through the pipeline of the water pump 9. In this way, the cooling water fills the upper cavity and the lower cavity of the circulation frame 2 in turn. Then, the motor 7 and the water pump 9 are started. The output shaft of the motor 7 drives the gear 8 to rotate, thereby driving the piston rod 6 to move downward. By adjusting the downward movement distance of the piston rod 6, the water outlet regulating port 601 can be controlled. The degree of opening is controlled to control the water output and further the water flow rate. Under the action of negative pressure, the cold water in the upper cavity of the circulation rack 2 flows into the right part of the water-cooled shaping box 1 uniformly and divergently through the circulation pipe 3, the telescopic pipe 4 and the annular pipe 301 on the right side in turn. Under the action of gravity, the water in the left part of the water-cooled shaping box 1 flows into the lower cavity of the circulation rack 2 uniformly and divergently through the annular pipe 301 on the left side and the connecting pipe 302 in turn. At the same time, the water pump 9 lifts the hot water in the lower cavity of the circulation rack 2 to the upper cavity of the circulation rack 2, so that the hot water passes through the refrigeration pipe 10 for cooling.
[0037] In this way, the present invention establishes a circulating water cooling system that combines gravity drainage, pump lifting and siphon reflux, so that the water pump 9 is only used to lift water to the upper cavity of the circulation rack 2, and the remaining links do not require energy drive, and the working time is greatly reduced, thereby extending the life of the equipment and reducing energy consumption.
[0038] In addition, since the water flow driven by the siphon effect is gradually accelerated, the siphon system helps to form laminar flow, thereby reducing turbulence and internal disturbances compared to a system driven by a water pump 9 throughout the entire process. Moreover, compared to a system combining gravity and pump force, the present invention can also control the downward movement distance of the piston rod 6 through the motor 7, thereby controlling the flow rate of water and further controlling the impact force of water on the pipe material.
[0039] Furthermore, by providing the annular tube 301, the inflow and outflow of water can be dispersed, making the water flow more stable, thereby reducing the impact force on the extruder pipe and other components, and protecting the extruder pipe molding structure.
[0040] Embodiment 2: Based on embodiment 1, Figure 5 As shown, it also includes a blocking rod 11 evenly distributed along the circumferential direction, the blocking rod 11 is slidably connected to the circulation pipe 3, the blocking rod 11 is in contact with the piston rod 6, and the circulation pipe 3 has exhaust holes 111 evenly distributed along the circumferential direction on one side close to the blocking rod 11. The blocking rod 11 corresponds to the exhaust holes 111 one by one, and the blocking rod 11 is composed of an upper thick section and a lower thin section. The upper thick section of the blocking rod 11 blocks the corresponding exhaust holes 111, and the lower thin section of the blocking rod 11 does not block the corresponding exhaust holes 111. A first tension spring 12 is fixedly connected between the blocking rod 11 and the circulation pipe 3.
[0041] Initially, the piston rod 6 pushes the blocking rod 11 upward, and the first tension spring 12 is stretched. At this time, the lower thin section of the blocking rod 11 does not block the exhaust hole 111. Therefore, in the process of pouring cooling water, when the cooling water is full, excess cooling water enters the circulation pipe 3 and overflows through the exhaust hole 111, thereby squeezing out the residual air in the circulation pipe 3. In this way, when the piston rod 6 slides downward, the piston rod 6 gradually separates from the blocking rod 11, and the first tension spring 12 resets and drives the blocking rod 11 to move downward, so that the upper thick section of the blocking rod 11 blocks the exhaust hole 111. At this time, the blocking rod 11 can better draw the cooling water in the upper cavity of the circulation rack 2 into the circulation pipe 3.
[0042] In summary, the present invention can observe the overflow phenomenon of the exhaust hole 111 to facilitate intuitive judgment when the cooling water is full, and can squeeze out the residual air in the circulation pipe 3, so that the blocking rod 11 can better draw the cooling water in the cavity on the circulation rack 2 into the circulation pipe 3.
[0043] like Figure 6 As shown, a baffle 13 is also included, and the baffle 13 is fixedly connected to one side of the upper cavity of the circulation rack 2 close to the refrigeration pipe 10.
[0044] The present invention provides a baffle 13 at the outlet of the water pump 9 so that the water lifted by the water pump 9 to the upper cavity of the circulation rack 2 is blocked and decelerated, further weakening the impact of the water pump 9.
[0045] Embodiment 3: Based on embodiment 2, Figure 7 As shown, it also includes fixed blocks 14 distributed at equal intervals. The fixed blocks 14 are fixedly connected to the telescopic tube 4 , and screws 15 are threadedly connected between all the fixed blocks 14 .
[0046] By turning the screw rod 15 to the left, the fixing block 14 can be gradually released from right to left, so as to adjust the freely retractable part of the telescopic tube 4 from right to left. The more freely retractable parts of the telescopic tube 4 are, the longer the distance that the support block 5 can drive the annular tube 301 on the right to move to the right. For example, when the wall thickness of the pipe material is thicker, it is more necessary to adjust the annular tube 301 on the right to move to the left, so that the pipe material with thicker wall thickness can contact the circulating cooling water earlier, thereby accelerating the cooling of the thick-walled pipe material and making it less likely to deform. When the wall thickness of the pipe material is thinner, it is more necessary to adjust the annular tube 301 on the right to move to the right, so that the pipe material with thinner wall thickness can contact the circulating cooling water later, thereby avoiding the deformation of the thin-walled pipe material due to excessive cooling. In addition, by adjusting the position of the annular tube 301 on the right, the cooling water can be more evenly distributed in the entire water-cooled shaping box 1, ensuring that all parts of the pipe material are cooled uniformly, avoiding insufficient or excessive local cooling.
[0047] like Figure 8 and Fig. 9 As shown, it also includes a fixing rod 16, which is fixed to the top right side of the water-cooled shaping box 1. The fixing rod 16 is slidably connected to the support block 5. A second tension spring 17 is fixed between the support block 5 and the water-cooled shaping box 1. The top of the water-cooled shaping box 1 is slidably connected to a guide frame 18 along the front-to-back direction. The guide frame 18 is set to a right-angle trapezoid, and the hypotenuse of the guide frame 18 is squeezed and matched with the support frame. A spring 19 is fixed between the guide frame 18 and the water-cooled shaping box 1. A pressure block 20 is slidably connected to the lower part of the circulation pipe 3 along the up-down direction. The guide frame 18 is provided with an inclined surface on one side close to the pressure block 20, and the guide frame 18 is squeezed and matched with the pressure block 20 through the inclined surface.
[0048] Initially, the screw 15 locks all the fixed blocks 14, the telescopic tube 4 is in a fully retracted state, the second tension spring 17 is in a stretched state, and the guide frame 18 is in contact with the support block 5. When there is water circulating in the circulation pipe 3, the pressure block 20 moves downward under the pressure of the water, and squeezes the guide frame 18 to slide to one side of the compression spring 19, so that the guide frame 18 is completely separated from the support block 5. According to the adjustment length of the freely retractable part of the telescopic tube 4, the second tension spring 17 adaptively rebounds, thereby pulling the support block 5 to the right by a corresponding distance, so that the telescopic tube 4 can stretch autonomously when the screw 15 is adjusted. Moreover, when the water injection in the circulation pipe 3 stops, the spring 19 resets and drives the guide frame 18 to move to the side close to the support block 5, and squeezes the support block 5 to the left and resets, and the second tension spring 17 is stretched, so that when the water is stopped, the telescopic tube 4 can shrink autonomously, which is convenient for the subsequent complete tightening of the screw 15.
[0049] The above embodiments are only preferred embodiments of the present invention and are not intended to limit the scope of implementation of the present invention. Therefore, all equivalent changes made to the contents described in the claims of the present invention should be included in the scope of the claims of the present invention.
Claims
1. The high-efficiency water cooling device for extruder pipe material is characterized by: The invention comprises a water-cooling shaping box (1), wherein the water-cooling shaping box (1) is fixedly connected to a circulation frame (2), wherein the circulation frame (2) is provided with an upper cavity and a lower cavity, wherein the upper cavity of the circulation frame (2) is connected to a one-way water inlet pipe (201), wherein the upper cavity of the circulation frame (2) is connected to a circulation pipe (3), wherein a connecting pipe (302) is connected between the lower cavity of the circulation frame (2) and the water-cooling shaping box (1), wherein the circulation pipe (3) is connected to a telescopic pipe (4), wherein the connecting pipe (302) and the telescopic pipe (4) are both connected to an annular pipe (301), wherein the annular pipe (301) is provided with circumferentially distributed circular holes for dispersing inflow and outflow of water, wherein the water-cooling shaping box (1) is slidably connected to a supporting pipe (201) and a supporting pipe (302) for dispersing inflow and outflow of water. A support block (5) is fixedly connected to the telescopic tube (4); a piston rod (6) is slidably connected inside the circulation tube (3); a circumferentially distributed water outlet regulating ports (601) are arranged at the lower part of the circulation tube (3); a motor (7) is fixedly connected to the circulation tube (3); a gear (8) is fixedly connected to the output shaft of the motor (7); the piston rod (6) is provided with a tooth pattern meshing with the gear (8); a water pump (9) is fixedly connected to the lower cavity of the circulation rack (2); the water pump (9) lifts the water in the lower cavity of the circulation rack (2) to the upper cavity of the circulation rack (2) through a pipeline; and at least two refrigeration pipes (10) are fixedly connected to the upper cavity of the circulation rack (2).
2. The high-efficiency water cooling device for extruder pipe material according to claim 1, characterized in that: It also includes a blocking rod (11) uniformly distributed along the circumference, the blocking rod (11) is slidably connected to the circulation pipe (3), and the circulation pipe (3) has exhaust holes (111) uniformly distributed along the circumference on one side close to the blocking rod (11). The blocking rod (11) corresponds to the exhaust holes (111) one by one, and the blocking rod (11) is used to block the corresponding exhaust holes (111). A first tension spring (12) is fixedly connected between the blocking rod (11) and the circulation pipe (3).
3. The high-efficiency water cooling device for extruder pipe material as claimed in claim 2, characterized in that: The blocking rod (11) is composed of an upper thick section and a lower thin section, and the upper thick section of the blocking rod (11) blocks the corresponding exhaust hole (111), while the lower thin section of the blocking rod (11) does not block the corresponding exhaust hole (111).
4. The high-efficiency water cooling device for extruder pipe material as claimed in claim 3, characterized in that: The blocking rod (11) is in contact with the piston rod (6).
5. The high-efficiency water cooling device for extruder pipe material as claimed in claim 4, characterized in that: It also includes a baffle (13), wherein the baffle (13) is fixedly connected to a side of the upper cavity of the circulation rack (2) close to the refrigeration pipe (10).
6. The high-efficiency water cooling device for extruder pipe material as claimed in claim 5, characterized in that: It also includes fixed blocks (14) distributed at equal intervals, the fixed blocks (14) are fixedly connected to the telescopic tube (4), and screw rods (15) are threadedly connected between all the fixed blocks (14).
7. The high-efficiency water cooling device for extruder pipe material as claimed in claim 6, characterized in that: It also includes a fixing rod (16), the fixing rod (16) being fixedly connected to a side of the water-cooling shaping box (1) close to the supporting block (5), the fixing rod (16) being slidably connected to the supporting block (5), and a second tension spring (17) being fixedly connected between the supporting block (5) and the water-cooling shaping box (1).
8. The high-efficiency water cooling device for extruder pipe material as claimed in claim 7, characterized in that: It also includes a guide frame (18), the guide frame (18) is slidably connected to the water-cooled shaping box (1), and a spring (19) is fixedly connected between the guide frame (18) and the water-cooled shaping box (1).
9. The high-efficiency water cooling device for extruder pipe material as claimed in claim 8, characterized in that: The guide frame (18) is configured as a right-angle trapezoid, and the oblique side of the guide frame (18) is extrusion-fitted with the support frame.
10. The high-efficiency water cooling device for extruder pipe material according to claim 9, characterized in that: It also includes a pressing block (20), which is slidably connected to a side of the circulation pipe (3) close to the guide frame (18), and a slope is provided on the side of the guide frame (18) close to the pressing block (20). The guide frame (18) is pressed and matched with the pressing block (20) through the slope.