Machine tool cooling liquid circulating device

Abstract

The utility model discloses a machine tool cooling liquid circulating device which comprises an installation shell, a positioning plate is arranged on the inner side of the installation shell, a liquid storage tank is arranged on one side of the positioning plate, a trigger assembly is arranged on the other side of the positioning plate, and circulating mechanisms are further connected to the lower portion of the positioning plate and the two sides of the trigger assembly. A controller is further arranged at the upper end of the mounting shell; the device is simple in structure and reasonable in design, realizes real-time monitoring on the impurity concentration in the cooling liquid in the circulating working process of the machine tool cooling liquid, can quickly send a signal to the controller to react when the metal impurity concentration exceeds the standard, solves the problem that the replacement time of the traditional machine tool cooling liquid is difficult to accurately control, and improves the working efficiency. The machining efficiency of the machine tool is guaranteed, waste of cooling liquid is avoided, meanwhile, timely and active replacement of the cooling liquid of the machine tool is achieved, the maintenance workload of the machine tool is reduced, and the production efficiency is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cooling equipment, in particular to a machine tool coolant circulation device. Background Art

[0002] In the modern machinery manufacturing industry, machine tools, as core processing equipment, ensure efficient and stable operation, ensuring production efficiency and processing quality. To address the heat and wear generated by high-intensity machine tool operations, coolant circulation systems are widely used in machine tool cooling and lubrication systems. These systems typically incorporate filters to remove metal debris and impurities from the coolant, maintaining its cleanliness and stable performance.

[0003] Deficiencies of existing technology:

[0004] While current filters effectively capture large debris, tiny dust particles often penetrate the filter screen, mixing into the coolant and gradually accumulating. This not only alters the coolant's physical properties, such as increased viscosity and poor fluidity, but also affects its chemical properties, such as decreased thermal conductivity and insulation, and can even lead to coolant corruption and deterioration. To address this issue, the traditional approach is to regularly replace the coolant. However, this replacement strategy has significant drawbacks. First, determining the replacement time often relies on manual experience and subjective judgment, lacking a scientific basis. If replacement is performed too late, the coolant's impurity content will be excessive, affecting machine tool processing efficiency and quality. Replacement performed too early results in coolant waste and increased production costs. Furthermore, regular coolant replacement creates additional maintenance workload, further impacting production efficiency and machine tool utilization. Utility Model Content

[0005] The purpose of the present utility model is to provide a machine tool coolant circulation device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a machine tool coolant circulation device, comprising a mounting housing, a positioning plate provided on the inner side of the mounting housing, a liquid storage tank provided on one side of the positioning plate, a trigger assembly provided on the other side of the positioning plate, a circulation mechanism connected below the positioning plate and on both sides of the trigger assembly, and a controller provided on the upper end of the mounting housing;

[0007] The trigger component includes:

[0008] A detection tube, the detection tube being movably disposed in a notch on the positioning plate, with both ends of the detection tube being movably connected to the circulation mechanism;

[0009] A trigger lever is rotatably connected to a bracket on the bottom surface of the mounting housing, one end of the trigger lever is located below the detection tube, and the other end of the trigger lever is a telescopic structure and is rotatably connected to a trigger rod above;

[0010] An extension rod, the extension rod being arranged on the lower end surface of the positioning plate and above the trigger rod, the lower end of the extension rod being slidably connected to the end of the trigger rod via a hole, and the outer portion of the trigger rod being sleeved with a compression spring for adjusting the relative position of the trigger rod and the extension rod;

[0011] A touch switch is arranged in the hole at the lower end of the extension rod.

[0012] Preferably, the circulation mechanism includes:

[0013] A filter, the filter being arranged at the lower end of the mounting housing and connected to the liquid storage tank, the output end of the filter being connected to a liquid pump;

[0014] The solenoid valve is arranged on the upper end surface of the positioning plate. Connecting pipes are provided between the input end of the solenoid valve, the output end of the liquid pump and the two ends of the detection tube. The output end of the solenoid valve is also connected to two conduits, which are used to discharge the coolant to the workpiece and the discharge equipment respectively.

[0015] Preferably, the controller is electrically connected to the touch switch and the solenoid valve respectively through wires.

[0016] Preferably, the detection tube is a U-shaped tube.

[0017] Preferably, the two connecting pipes are elastic hoses.

[0018] Compared with the prior art, the beneficial effects of the present invention are:

[0019] 1. This machine tool coolant circulation device is provided with a trigger assembly, which includes a detection tube, a trigger lever, a trigger rod, an extension rod, a compression spring, and a touch switch. This device realizes real-time monitoring of the impurity concentration in the coolant during the coolant circulation process of the machine tool. When the metal impurity concentration exceeds the standard, a signal is quickly sent to the controller to respond. This solves the problem of difficult to accurately control the coolant replacement time of traditional machine tools, ensures the processing efficiency of the machine tool, and avoids coolant waste.

[0020] 2. This machine tool coolant circulation device is equipped with a circulation mechanism, which includes a filter, a liquid pump, a solenoid valve, a connecting pipe and two guide tubes. In conjunction with the triggering effect of the trigger component, it realizes timely and active replacement of the machine tool coolant, reduces the maintenance workload of the machine tool, and further improves production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is the overall front view of the utility model;

[0022] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0023] Figure 3 For the utility model Figure 3 A magnified schematic diagram at point A;

[0024] Figure 4 This is a schematic diagram of the triggering principle of the present utility model.

[0025] In the figure: 1. Mounting shell; 2. Positioning plate; 3. Liquid storage tank; 4. Trigger assembly; 401. Detection tube; 402. Trigger lever; 403. Trigger rod; 404. Extension rod; 405. Compression spring; 406. Touch switch; 5. Circulation mechanism; 501. Filter; 502. Liquid pump; 503. Solenoid valve; 504. Connecting pipe; 505. Two conduits; 6. Controller. DETAILED DESCRIPTION

[0026] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0028] In the description of this patent, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "disposed" should be understood broadly. For example, they can refer to fixed connection or disposition, detachable connection or disposition, or integrated connection or disposition. Those skilled in the art will understand the specific meanings of the above terms in this patent based on the specific circumstances.

[0029] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, "several" means two or more, unless otherwise specifically defined.

[0030] Example

[0031] See also Figure 1-4 As shown, the utility model provides a technical solution for a machine tool coolant circulation device: a machine tool coolant circulation device, comprising a mounting shell 1, a positioning plate 2 is fixedly mounted on the inner side of the mounting shell 1, a liquid storage tank 3 is mounted on one side of the positioning plate 2, a trigger assembly 4 is mounted on the other side of the positioning plate 2, a circulation mechanism 5 is also connected below the positioning plate 2 and on both sides of the trigger assembly 4, and a controller 6 is also mounted on the upper end of the mounting shell 1. The trigger assembly 4 includes a detection tube 401, a trigger lever 402, an extension rod 404 and a touch switch 406. The detection tube 401 is movably mounted in a slot on the positioning plate 2, and the detection tube 401 can move up and down in the slot of the positioning plate 2 according to changes in gravity. The two ends of the detection tube 401 are movably connected to the circulation mechanism 5 respectively. A trigger lever 402 is pivotally connected to a bracket on the bottom surface of the mounting housing 1. One end of the trigger lever 402 is positioned below the detection tube 401, supporting the weight of the tube and the coolant inside. The other end of the trigger lever 402 is telescopic and pivotally connected to a trigger rod 403. An extension rod 404 is mounted on the lower end surface of the positioning plate 2, above the trigger rod 403. The lower end of the extension rod 404 is slidably connected to the end of the trigger rod 403 through a hole. A compression spring 405 is sleeved around the outer surface of the trigger rod 403 to adjust the relative position of the trigger rod 403 and the extension rod 404. A touch switch 406 is mounted in the hole at the lower end of the extension rod 404. When the coolant weight is normal, the elastic force of the compression spring 405, through the trigger lever 402, can fully support the detection tube 401 and the coolant inside, maintaining a certain distance between the trigger rod 403 and the touch switch 406.

[0032] When the machine tool is operating, coolant enters one end of the detection tube 401 and exits the other end under the action of the circulation mechanism 5, performing a cooling operation. As the machine tool operates over time, the metal impurity content in the coolant increases. Under the influence of the impurities, the average density of the coolant increases simultaneously, and the weight of the coolant per unit volume also increases. The downward force exerted by the detection tube 401 on the end of the trigger lever 402 increases accordingly, until the concentration of impurities in the coolant reaches a certain level. At this point, the trigger lever 402 is subjected to sufficient downward force to drive the trigger rod 403 to overcome the elastic force of the compression spring 405 and rise to contact the touch switch 406. At this point, the touch switch 406 is triggered. After receiving the trigger signal, the controller 6 controls the circulation mechanism 5 to empty and replace the coolant in the liquid storage tank 3. Through the trigger assembly 4, the impurity concentration in the coolant of the machine tool is monitored in real time during the coolant circulation process. When the metal impurity concentration exceeds the standard, a signal is quickly sent to the controller 6 for response. This solves the problem of difficult to accurately control the coolant replacement time of traditional machine tools, ensures the processing efficiency of the machine tool, and avoids coolant waste.

[0033] The circulation mechanism 5 includes a filter 501 and a solenoid valve 503. The filter 501 is fixedly mounted on the lower end of the mounting housing 1 and connected to the liquid storage tank 3. The output end of the filter 501 is connected to a liquid pump 502. The solenoid valve 503 is mounted on the upper end surface of the positioning plate 2. The input end of the solenoid valve 503 and the output end of the liquid pump 502 are connected to both ends of the detection tube 401 via connecting pipes 504. The connecting pipes 504 are elastic hoses that do not support the detection tube 401, thereby avoiding affecting the deformation of the compression spring 405. The solenoid valve 503 is a three-way solenoid valve, and its output end is also connected to two conduits 505, which are used to discharge the coolant to the workpiece and the discharge device respectively.

[0034] When the impurity content of the coolant is normal, the liquid pump 502 extracts the liquid from the liquid storage tank 3, filters it through the filter 501, and pushes it into the detection tube 401. Finally, it is transported to the processing part of the workpiece through the solenoid valve 503. If the impurity content of the coolant exceeds the standard, after the touch switch 406 is triggered, the cutting operation of the machine tool is first suspended. The controller 6 controls the solenoid valve 503 to change the coolant discharge conduit 505, and the coolant is discharged from the equipment through another conduit 505. When the discharge time is reached and the coolant in the liquid storage tank 3 is emptied, the controller 6 first replenishes the coolant in the liquid storage tank 3 and controls the solenoid valve 503 again to switch the discharge conduit 505 to resume the cooling operation of the processing part. Through the circulation mechanism 5, in conjunction with the triggering effect of the trigger component 4, the timely and active replacement of the machine tool coolant is achieved, reducing the maintenance workload of the machine tool and further improving production efficiency.

[0035] The controller 6 is electrically connected to the touch switch 406 and the solenoid valve 503 through wires. After receiving the electrical signal from the touch switch 406 , the controller 6 can issue an instruction to the solenoid valve 503 in a timely manner.

[0036] The detection tube 401 is a U-shaped tube. The structure of the U-shaped tube is symmetrical on both sides, and the stress point at the bottom is smaller, which is more suitable for the application scenario of installation in the shell 1.

[0037] The working principle of this utility model is as follows:

[0038] When the machine tool is operating, if the coolant impurity content is normal, the liquid pump 502 draws the liquid from the reservoir 3, filters it through the filter 501, and pushes it into the detection tube 401. Finally, it is delivered to the processing part of the workpiece through the solenoid valve 503 for cooling. As the machine tool operates over time, the metal impurity content in the coolant increases, and the downward pressure exerted by the detection tube 401 on the end of the trigger lever 402 increases accordingly, until the trigger lever 402 is subjected to sufficient downward pressure, driving the trigger rod 403 to overcome the elastic force of the compression spring 405 and rise to contact the touch switch 406. At this time, the touch switch 406 is triggered. After receiving the trigger signal, the controller 6 first suspends the cutting operation of the machine tool. The controller 6 controls the solenoid valve 503 to change the coolant discharge conduit 505, and discharges the coolant from the equipment through another conduit 505. When the discharge time is reached and the coolant in the liquid storage tank 3 is emptied, the controller 6 first replenishes the coolant in the liquid storage tank 3, and at the same time controls the solenoid valve 503 again to switch the discharge conduit 505 to resume the cooling operation of the processing part.

[0039] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A machine tool coolant circulation device, comprising a mounting housing (1), characterized in that: A positioning plate (2) is provided on the inner side of the mounting housing (1), a liquid storage tank (3) is provided on one side of the positioning plate (2), a trigger assembly (4) is provided on the other side of the positioning plate (2), and a circulation mechanism (5) is connected below the positioning plate (2) and on both sides of the trigger assembly (4). A controller (6) is also provided at the upper end of the mounting housing (1); The trigger component (4) includes: A detection tube (401), the detection tube (401) is movably arranged in a notch on the positioning plate (2), and both ends of the detection tube (401) are movably connected to the circulation mechanism (5); A trigger lever (402), the trigger lever (402) is rotatably connected to a bracket on the bottom surface of the mounting housing (1), one end of the trigger lever (402) is located below the detection tube (401), and the other end of the trigger lever (402) is a telescopic structure and is rotatably connected to a trigger rod (403) above; An extension rod (404), the extension rod (404) is arranged on the lower end surface of the positioning plate (2) and is located above the trigger rod (403), the lower end of the extension rod (404) is slidably connected to the end of the trigger rod (403) through a hole, and the outside of the trigger rod (403) is provided with a compression spring (405) for adjusting the relative position of the trigger rod (403) and the extension rod (404); A touch switch (406) is provided in a hole at the lower end of the extension rod (404).

2. The machine tool coolant circulation device according to claim 1, characterized in that: The circulation mechanism (5) comprises: A filter (501), the filter (501) being arranged at the lower end of the mounting housing (1) and connected to the liquid storage tank (3), and the output end of the filter (501) being connected to a liquid pump (502); A solenoid valve (503) is provided on the upper end surface of the positioning plate (2); connecting pipes (504) are provided between the input end of the solenoid valve (503), the output end of the liquid pump (502) and the two ends of the detection tube (401); the output end of the solenoid valve (503) is also connected to two conduits (505); the two conduits (505) are used to discharge the coolant to the workpiece and the discharge device respectively.

3. The machine tool coolant circulation device according to claim 2, characterized in that: The controller (6) is electrically connected to the touch switch (406) and the solenoid valve (503) through wires.

4. The machine tool coolant circulation device according to claim 1, characterized in that: The detection tube (401) is a U-shaped tube.

5. The machine tool coolant circulation device according to claim 2, characterized in that: The connecting pipe (504) is an elastic hose.

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