Multi-mode wire drawing machine water cooling circulating device

Abstract

The utility model relates to a water cooling circulation device provides such a kind of multi-mode wire drawing machine water cooling circulation device, including base, water tank, lower exhaust pipe, liquid inlet pump, liquid inlet pipe and liquid outlet pump etc.;Base left part is vertically equipped with water tank, and water tank is used to store circulating liquid, and water tank lower part one side is equipped with lower exhaust pipe, and lower exhaust pipe is normally closed setting, and water tank upper part is equipped with liquid inlet pump, and the input end of liquid inlet pump is connected with liquid inlet pipe, and liquid inlet pipe end is connected with wire drawing machine mould cooling cavity export or the container of collecting cooling liquid, and the output end of liquid inlet pump is communicated with water tank inner upper space, and water tank lower part left side is equipped with liquid outlet pump. The utility model in liquid outlet stage, utilize circulating fan and heat conduction sheet and zigzag arrangement of liquid outlet pipe cooperation realizes quick heat dissipation, and simultaneously by arranging liquid inlet pump and liquid outlet pump in different area, make the cooling liquid of liquid inlet pump introduction and the heat dissipation liquid of liquid outlet pump output stratified flow in water tank, avoid cold and hot liquid quick mixing.

Description

Technical Field

[0001] This utility model relates to a water-cooling circulation device, and more particularly to a water-cooling circulation device for a multi-die wire drawing machine. Background Technology

[0002] A typical multi-die wire drawing machine's water-cooling circulation system mainly consists of a cooling water tank, a circulation pump, cooling pipes, and cooling nozzles or cooling chambers adapted to the wire drawing die. The cooling water tank stores cooling water and typically has a certain capacity to meet the water requirements of continuous production. The circulation pump is installed between the water tank and the cooling pipes. Through mechanical operation, it draws cooling water from the tank and forces it into the cooling pipes, allowing the cooling water to circulate within the system. The cooling pipes precisely deliver the cooling water from the circulation pump to the nozzles along the wire drawing die or the wire transport path. At the die, the cooling water passes through specially designed nozzles or the cooling chambers surrounding the die, cooling the wire and die during the drawing process. The cooling nozzles are generally positioned at a specific angle and distribution to ensure that the cooling water evenly covers the surface of the wire and die, carrying away the heat generated during wire drawing. After completing the cooling task, the hot water flows back to the cooling water tank through a return pipe, forming a complete circulation system.

[0003] In actual operation, the cooling liquid storage container of the wire drawing machine is mainly used for liquid recovery and supply. It is usually equipped with a filtration or sterilization structure to maintain the effectiveness of the liquid. The container is usually not equipped with a heat dissipation structure, and its heat dissipation mainly relies on natural heat dissipation. When the multi-die wire drawing machine operates at high load for a long time, the large amount of heat generated cannot be dissipated through the water tank in time. This causes the water temperature in the cooling water tank to rise continuously. Once the water temperature exceeds the suitable range (usually above 40°C), the cooling effect will be greatly reduced. For the wire, insufficient cooling at high temperature will cause it to remain at a high temperature after annealing. During subsequent contact with air, it is very easy to oxidize, which will seriously affect the surface quality and performance of the wire and reduce the product qualification rate. Utility Model Content

[0004] In order to overcome the shortcomings of the existing technology, the purpose of this utility model is to provide a water-cooling circulation device for a multi-die wire drawing machine.

[0005] The technical solution is as follows: A water-cooled circulation device for a multi-die wire drawing machine, comprising a base, a water tank, a lower drain pipe, an inlet pump, an inlet pipe, an outlet pump, an outlet pipe, a mounting plate, a guide frame, a circulation fan, and heat-conducting plates. A water tank is vertically mounted on the left side of the base to store circulating liquid. A lower drain pipe is located on one side of the lower part of the water tank and is normally closed. An inlet pump is located at the top of the water tank, with its input end connected to an inlet pipe. The end of the inlet pipe is connected to the outlet of the wire drawing machine's die cooling chamber or a container for collecting cooling liquid. The output end of the inlet pump is connected to the upper part of the water tank. The water tank is interconnected, with a liquid outlet pump located on the lower left side. The input end of the liquid outlet pump is connected to the lower space inside the water tank, and the output end of the liquid outlet pump is connected to a liquid outlet pipe. A mounting plate is located on the right side of the base, with a flow guide opening on the mounting plate. A circulation fan is located on the right side of the flow guide opening on the mounting plate, and a flow guide frame is located on the left side of the flow guide opening on the mounting plate. Multiple heat conduction plates are arranged vertically along the front-to-back direction inside the flow guide frame. The middle section of the liquid outlet pipe is laid out in a tortuous manner along the multiple heat flow plates. The end of the liquid outlet pipe is connected to the end of the liquid inlet pipe, which is connected to the inlet of the cooling chamber of the wire drawing machine mold or the discharge component of the cooling liquid.

[0006] Furthermore, it also includes a replenishment tank, a drain pipe, and an infusion pump. The replenishment tank is located on the upper left side of the base, and the drain pipe is located below the replenishment tank. The infusion pump is installed on the drain pipe, and the drain pipe is connected to the upper space inside the water tank.

[0007] Furthermore, it also includes a buoy and a float. A buoy is vertically and slidingly installed on the upper right side of the water tank. The lower part of the buoy extends into the water tank, and a float is connected to the lower part of the buoy.

[0008] Furthermore, it also includes a mounting bracket, an upper limit sensor, a lower limit sensor, and a sensing head. The upper part of the buoy has an inverted U-shaped section, and the front of the replenishment tank has a mounting bracket. The end of the buoy extends towards the mounting bracket and is connected to the sensing head. The lower part of the mounting bracket has a vertical adjustment groove, and the upper part of the mounting bracket has an upper limit sensor. The lower limit sensor is slidably installed in the adjustment groove of the mounting bracket. The sensing ends of the upper limit sensor and the lower limit sensor both face the sensing head. The infusion pump is connected to both the upper limit sensor and the lower limit sensor. When the sensing head moves up and down with the buoy, it will sense the upper limit sensor or the lower limit sensor.

[0009] Furthermore, it also includes a filter head, a connecting tank, and a waste discharge pipe. The filter head and the connecting tank are installed on the inlet pipe. The internal spaces of the filter head and the connecting tank are connected. The filter head is located at the rear section of the connecting tank in the direction of liquid inlet. The waste discharge pipe is installed at the bottom of the connecting tank and is normally closed.

[0010] Furthermore, it also includes fins, with several fins spaced apart on the outer wall of the water tank.

[0011] Beneficial effects: 1. In the liquid dispensing stage, this utility model utilizes a circulating fan and heat-conducting fins in conjunction with a tortuous liquid dispensing pipe to achieve rapid heat dissipation. At the same time, by placing the inlet and outlet pumps in different areas, the liquid to be cooled introduced by the inlet pump and the liquid to be cooled output by the outlet pump flow in layers within the water tank, avoiding rapid mixing of hot and cold liquids.

[0012] 2. This utility model achieves timely replenishment of circulating liquid through a replenishment tank, a drain pipe, and a delivery pump. When the circulating liquid in the water tank decreases due to evaporation or loss, the delivery pump can transport the liquid stored in the replenishment tank to the water tank through the drain pipe, ensuring the continuous and stable operation of the circulation system and avoiding cooling interruption caused by insufficient liquid.

[0013] 3. This utility model sets the floating action of the upper limit sensor, the lower limit sensor and the sensing head on the float as a linkage structure. The float moves up and down with the change of water level in the tank. After the sensing head and the limit sensor sense each other, the infusion pump is triggered to start and stop. There is no need for manual monitoring of the water level. The amount of liquid in the water tank is accurately controlled, and the cooling capacity and operating efficiency of the circulation system are maintained. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0015] Figure 2 This is a three-dimensional structural diagram of the present invention with the base removed.

[0016] Figure 3 This is a three-dimensional structural diagram of the components of this utility model, including the liquid discharge pump, liquid discharge pipe, and flow guide frame.

[0017] Figure 4 This is a three-dimensional structural diagram of the fluid replenishment tank, drain pipe, and infusion pump of this utility model.

[0018] Figure 5 This is a three-dimensional structural diagram of the buoy, sensing head, and limit sensor components of this utility model.

[0019] The meanings of the reference numerals in the attached diagram are as follows: 1_base, 2_water tank, 21_lower drain pipe, 22_fins, 3_inlet pump, 31_inlet pipe, 4_outlet pump, 41_outlet pipe, 42_mounting plate, 421_guide frame, 43_circulating fan, 44_heat conduction plate, 5_replenishment tank, 51_drain pipe, 52_infusion pump, 6_filter head, 61_connecting tank, 62_waste pipe, 7_buoy, 71_float, 72_mounting bracket, 7200_adjustment tank, 73_upper limit sensor, 74_lower limit sensor, 75_sensor head. Detailed Implementation

[0020] References to embodiments herein mean that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of the present invention. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0021] Example 1 A water-cooled circulation device for a multi-die wire drawing machine, such as Figure 1-3As shown, the system includes a base 1, a water tank 2, a lower drain pipe 21, an inlet pump 3, an inlet pipe 31, an outlet pump 4, an outlet pipe 41, a mounting plate 42, a guide frame 421, a circulating fan 43, and a heat-conducting plate 44. The water tank 2 is vertically fixed to the left side of the base 1. The water tank 2 stores circulating liquid. A lower drain pipe 21 is connected to one side of the lower part of the water tank 2. The lower drain pipe 21 is normally closed and only opens when the circulating liquid needs to be replaced or the water tank 2 needs to be cleaned. An inlet pump 3 is fixedly installed on the upper part of the water tank 2. The input end of the inlet pump 3 is sealed to the inlet pipe 31 via a flange. The end of the inlet pipe 31 is sealed to the outlet of the cooling chamber of the wire drawing machine mold or a container for collecting cooling liquid. The output end of the liquid pump 3 extends into the upper space of the water tank 2 and is connected to the water tank 2. It can smoothly transport the high-temperature circulating liquid after absorbing the heat of the mold into the water tank 2. The water tank volume is used to achieve preliminary static buffering and natural heat dissipation. The lower left side of the water tank 2 is fixedly installed with the liquid outlet pump 4. The input end of the liquid outlet pump 4 extends into the lower space of the water tank 2 and is connected to the water tank 2. It can draw the lower circulating liquid in the water tank after preliminary cooling, reducing the direct entry of high-temperature liquid into the subsequent pipeline. The output end of the liquid outlet pump 4 is fixedly connected to the liquid outlet pipe 41 by a pipe clamp. The pipe clamp connection method facilitates pipeline disassembly and maintenance. The right side of the base 1 is fixed with a mounting plate 42 by bolts. The mounting plate 42 has... Airflow inlets are provided at the positions corresponding to the airflow guide frame 421 and the circulating fan 43. The circulating fan 43 is fixedly installed on the right side of the airflow guide inlet of the mounting plate 42 via a bracket. The airflow guide frame 421 is welded and fixed on the left side of the airflow guide inlet of the mounting plate 42. The airflow guide frame 421 can directionally guide the airflow, so that the airflow generated by the circulating fan 43 can act precisely and concentratedly on the heat-conducting plate 44, avoiding airflow dispersion and reducing heat dissipation effect. Multiple heat-conducting plates 44 are vertically arranged in the airflow guide frame 421 along the front-to-back direction. The heat-conducting plates 44 are made of high thermal conductivity material, and there is a uniform gap between adjacent heat-conducting plates 44. The gap design ensures smooth airflow and maximizes the contact area between the airflow and the heat-conducting plate. The middle section of the outlet pipe 41 is arranged in a tortuous manner along multiple heat-conducting plates 44, and the pipe is in close contact with the heat-conducting plates 44. The combination of the tortuous arrangement and close contact greatly increases the contact area between the pipe and the heat-conducting plates, so that the heat of the circulating liquid in the pipe can be quickly transferred to the heat-conducting plates 44, and then the heat is carried away by the airflow driven by the circulating fan, achieving efficient cooling. The end of the outlet pipe 41 is sealed and connected to the inlet of the cooling chamber of the wire drawing machine mold or the discharge part of the cooling liquid, which can stably deliver the cooled low-temperature circulating liquid to the mold cooling chamber or the discharge part, forming a complete cooling cycle, realizing continuous and stable cooling of the wire drawing machine mold, and ensuring the processing accuracy of the wire drawing machine and the service life of the mold.

[0022] Initially, sufficient circulating liquid is injected into water tank 2. After injection, the injection port is closed, and the normally closed lower drain pipe 21 remains closed to ensure sufficient cooling medium is stored in water tank 2. After the device is started, the inlet pump 3 operates, extracting the high-temperature circulating liquid that has absorbed the heat of the mold from the cooling chamber of the wire drawing machine through the inlet pipe 31 and transporting it to the upper space inside water tank 2. The high-temperature liquid entering water tank 2 undergoes initial static buffering and natural heat dissipation due to the tank volume, and initial stratification occurs due to temperature differences, with the low-temperature liquid sinking to the lower part of water tank 2. Subsequently, the outlet pump 4 starts, extracting the circulating liquid that has undergone initial cooling from the lower part of water tank 2 and transporting it through the outlet pipe 41 to the guide frame 421 area at the mounting plate 42. Because the middle section of the outlet pipe 41 is arranged in a tortuous and tightly fitted manner along multiple heat-conducting plates 44 inside the guide frame 421, the pipe... The heat of the internal circulating liquid is quickly transferred to the heat-conducting plates 44 made of high thermal conductivity material. At the same time, the circulating fan 43 operates synchronously, and the airflow generated is precisely and concentratedly passed through the uniform gaps between the heat-conducting plates 44 under the directional guidance of the guide frame 421. After making full contact with the heat-conducting plates 44, the heat is carried away, so that the circulating liquid in the pipe can achieve efficient cooling. Finally, the low-temperature circulating liquid after being cooled by the heat-conducting plates 44 and the circulating fan 43 is transported back to the cooling chamber of the wire drawing machine mold or the corresponding discharge component through the end of the liquid outlet pipe 41 to provide continuous cooling for the mold. The liquid that has absorbed heat is then reintroduced into the water tank 2 through the liquid inlet pump 3 to form a complete closed-loop cooling cycle to maintain the mold at a suitable working temperature. When it is necessary to replace the circulating liquid or clean the water tank 2, the normally closed lower drain pipe 21 can be opened to discharge the liquid and impurities in the tank, ensuring the stable operation of the circulation system.

[0023] Example 2 Based on Example 1, such as Figure 1 and Figure 4 As shown, it also includes a replenishment tank 5, a drain pipe 51, and a pump 52. The replenishment tank 5 is fixed to the upper left of the base 1 by bolts. The replenishment tank 5 is used to store spare circulating liquid in advance to provide a stable liquid source for subsequent replenishment operations. The drain pipe 51 is sealed at the lower part of the replenishment tank 5 by a flange. The pump 52 is fixed to the drain pipe 51 by a pipe clamp. The pump 52 can be used as a power source to drive the liquid flow. The end of the drain pipe 51 away from the replenishment tank 5 extends into the upper space of the water tank 2 and is connected to the water tank 2. When the circulating liquid in the water tank 2 decreases due to loss, the pump 52 starts to transport the liquid in the replenishment tank 5 to the water tank 2 through the drain pipe 51, realizing automatic replenishment of circulating liquid and avoiding the impact of insufficient liquid on the cooling cycle.

[0024] Among them, such as Figure 1 , Figure 2 and Figure 5As shown, it also includes a buoy 7 and a float 71. The buoy 7 is vertically and slidingly installed on the upper right side of the water tank 2. A sealing sleeve is provided at the penetration point between the buoy 7 and the water tank 2, which can ensure the smooth sliding of the buoy 7 and prevent the liquid in the water tank 2 from leaking. The lower part of the buoy 7 extends into the water tank 2, and the lower part of the buoy 7 is fixedly connected to the float 71 by threads. The float 71 is made of lightweight and corrosion-resistant material and can move up and down with the buoyancy of the liquid level in the water tank 2, thereby driving the buoy 7 to slide up and down synchronously. By observing the position change of the buoy 7 outside the water tank 2, the operator can intuitively grasp the liquid level in the water tank 2, realize visual monitoring of the liquid level, and understand the liquid storage without opening the water tank 2.

[0025] Among them, such as Figure 1 , Figure 3 and Figure 5 As shown, it also includes a mounting bracket 72, an upper limit sensor 73, a lower limit sensor 74, and a sensing head 75. The upper part of the buoy 7 has an integrally formed inverted U-shaped section. The mounting bracket 72 is fixed to the front of the replenishment tank 5 by screws, providing a stable mounting platform for the sensor. The end of the buoy 7 extends horizontally towards one side of the mounting bracket 72, and the end of the buoy 7 is fixedly connected to the sensing head 75 by a snap-fit. The sensing head 75 can move synchronously with the buoy 7. A vertical adjustment groove 7200 is opened at the lower part of the mounting bracket 72. The upper limit sensor 73 is fixed to the upper part of the mounting bracket 72 by bolts. The lower limit sensor 74 is mounted in the adjustment groove 7200 of the mounting bracket 72 via a slider that slides up and down. The adjustment groove 7200 provides space for adjusting the position of the lower limit sensor 74. Loosening the fixing bolts on the slider allows the height of the lower limit sensor 74 to be adjusted along the adjustment groove 7200 to adapt to different maximum... For low liquid level requirements, the sensing ends of the upper limit sensor 73 and the lower limit sensor 74 both face the sensing head 75. The infusion pump 52 is connected to the upper limit sensor 73 and the lower limit sensor 74 via wires to form a complete control loop. When the sensing head 75 moves up and down with the float 7, it will sense the upper limit sensor 73 or the lower limit sensor 74. When the liquid level in the water tank 2 drops, the sensing head 75 descends with the float 7 until it senses the lower limit sensor 74. The lower limit sensor 74 immediately sends a trigger signal to the infusion pump 52, controlling the infusion pump 52 to start and replenish the liquid in the water tank 2. When the liquid level rises, the sensing head 75 rises with the float 7 until it senses the upper limit sensor 73. The upper limit sensor 73 sends a shut-off signal to the infusion pump 52, controlling the infusion pump 52 to shut down and stop the liquid replenishment. Through this linkage control logic, the liquid level is automatically regulated without the need for manual monitoring.

[0026] like Figure 1 and Figure 2As shown, it also includes a filter head 6, a connecting tank 61, and a waste discharge pipe 62. The filter head 6 and the connecting tank 61 are fixedly mounted on the inlet pipe 31 via flanges. The internal spaces of the filter head 6 and the connecting tank 61 are interconnected. The filter head 6 is located at the rear end of the connecting tank 61 in the liquid inlet direction, meaning the liquid first flows into the connecting tank 61 and then passes through the filter head 6. The end of the filter head 6 connected to the connecting tank is equipped with a single or multiple layer of filter screen capable of blocking debris, allowing the liquid to flow smoothly through the filter screen. The lower part of the connecting tank 61 is equipped with a waste discharge pipe 62 for draining... Waste pipe 62 is normally closed and is only opened when cleaning debris. When liquid containing debris flows out of the cooling chamber of the wire drawing machine mold, it flows along the liquid inlet pipe 31 into the connecting tank 61. The flow rate of the liquid slows down in the connecting tank 61, and the debris is blocked by the filter head 6 and remains in the connecting tank 61. The filtered clean liquid then enters the subsequent pipeline through the filter head 6, effectively preventing debris from clogging components such as the liquid inlet pump 3 and the liquid outlet pipe 41, ensuring the smooth operation of the cooling cycle. The debris in the connecting tank 61 can be discharged by periodically opening the waste pipe 62.

[0027] In a preferred embodiment: such as Figure 1 and Figure 2 As shown, it also includes fins 22. Several fins 22 are welded at intervals on the outer wall of the water tank 2. The fins 22 are made of a high thermal conductivity metal material and are tightly attached to the side wall of the water tank 2. They can quickly conduct the heat of the circulating liquid in the water tank 2 to the surface of the fins 22. The setting of the fins 22 greatly increases the contact area between the water tank 2 and the air, so that the heat can be dissipated into the air more efficiently, accelerating the natural cooling speed of the circulating liquid in the water tank 2. Combined with the original cooling structure, it further improves the overall heat dissipation effect and lays the foundation for subsequent efficient cooling.

[0028] The present application has been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only for the purpose of helping to understand the method and core ideas of the present application. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of the present application. Therefore, the content of this specification should not be construed as a limitation of the present application.

Claims

1. A water-cooled circulation device for a multi-die wire drawing machine, comprising a base (1) and a water tank (2), wherein the water tank (2) is vertically disposed on the left side of the base (1), and the water tank (2) is used to store circulating liquid. Its characteristics are, It also includes a lower drain pipe (21), an inlet pump (3), an inlet pipe (31), an outlet pump (4), an outlet pipe (41), a mounting plate (42), a guide frame (421), a circulating fan (43), and a heat-conducting plate (44). The lower drain pipe (21) is provided on one side of the lower part of the water tank (2). The lower drain pipe (21) is normally closed. The inlet pump (3) is provided on the upper part of the water tank (2). The inlet pipe (3) is connected to the inlet pipe (31) at the input end. The end of the inlet pipe (31) is connected to the outlet of the cooling chamber of the wire drawing machine mold or a container for collecting cooling liquid. The output end of the inlet pump (3) is connected to the upper space inside the water tank (2). The outlet pump (4) is provided on the lower left side of the water tank (2). The input end of the liquid pump (4) is connected to the lower space inside the water tank (2). The output end of the liquid pump (4) is connected to the liquid outlet pipe (41). The right side of the base (1) is provided with an installation plate (42). The installation plate (42) has a flow guide. The right side of the flow guide of the installation plate (42) is provided with a circulation fan (43). The left side of the flow guide of the installation plate (42) is provided with a flow guide frame (421). Multiple heat conduction plates (44) are arranged vertically in the flow guide frame (421) along the front and back direction. The middle section of the liquid outlet pipe (41) is arranged in a tortuous manner along multiple heat flow plates. The end of the liquid outlet pipe (41) is connected to the liquid inlet pipe (31). The end of the liquid outlet pipe (41) is connected to the inlet of the cooling chamber of the wire drawing machine mold or the discharge component of the cooling liquid.

2. The water-cooled circulation device for a multi-die wire drawing machine according to claim 1, characterized in that, It also includes a replenishment tank (5), a drain pipe (51) and an infusion pump (52). The base (1) has a replenishment tank (5) on the upper left. The replenishment tank (5) has a drain pipe (51) on the lower part of the replenishment tank (5). The drain pipe (51) has an infusion pump (52) on its pipe. The drain pipe (51) is connected to the upper space inside the water tank (2).

3. The water-cooled circulation device for a multi-die wire drawing machine according to claim 2, characterized in that, It also includes a buoy (7) and a float (71). The upper right part of the water tank (2) is vertically and slidingly equipped with a buoy (7). The lower part of the buoy (7) extends into the water tank (2), and the lower part of the buoy (7) is connected to a float (71).

4. The water-cooled circulation device for a multi-die wire drawing machine according to claim 3, characterized in that, It also includes a mounting bracket (72), an upper limit sensor (73), a lower limit sensor (74), and a sensor head (75). The upper part of the buoy (7) is provided with an inverted U-shaped part, and the front side of the replenishment tank (5) is provided with a mounting bracket (72). The end of the buoy (7) extends towards the mounting bracket (72), and the end of the buoy (7) is connected to a sensor head (75). The lower part of the mounting bracket (72) has a vertical adjustment groove (7200), and the upper part of the mounting bracket (72) is provided with an upper limit sensor (73). 73), the lower limit sensor (74) is installed in the adjustment groove (7200) of the mounting bracket (72) in a sliding manner. The sensing ends of the upper limit sensor (73) and the lower limit sensor (74) are both facing the sensing head (75). The infusion pump (52) is connected to the upper limit sensor (73) and the lower limit sensor (74) in a signal connection. When the sensing head (75) moves up and down with the float (7), it will sense the upper limit sensor (73) or the lower limit sensor (74).

5. The water-cooled circulation device for a multi-die wire drawing machine according to claim 4, characterized in that, It also includes a filter head (6), a connecting tank (61) and a waste pipe (62). The filter head (6) and the connecting tank (61) are provided on the inlet pipe (31). The internal spaces of the filter head (6) and the connecting tank (61) are connected. The filter head (6) is located at the rear section of the connecting tank (61) in the liquid inlet direction. The waste pipe (62) is provided at the lower part of the connecting tank (61). The waste pipe (62) is normally closed.

6. The water-cooled circulation device for a multi-die wire drawing machine according to claim 5, characterized in that, It also includes fins (22), and several fins (22) are spaced apart on the outer wall of the water tank (2).

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